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Merge tag 'soc-drivers-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-block.git] / net / wireless / nl80211.c
CommitLineData
457c8996 1// SPDX-License-Identifier: GPL-2.0-only
55682965
JB		 2/*
3 * This is the new netlink-based wireless configuration interface.
4 *
026331c4 5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
2740f0cf 6 * Copyright 2013-2014 Intel Mobile Communications GmbH
66cd794e 7 * Copyright 2015-2017 Intel Deutschland GmbH
6cf963ed 8 * Copyright (C) 2018-2023 Intel Corporation
55682965
JB		 9 */
10
11#include <linux/if.h>
12#include <linux/module.h>
13#include <linux/err.h>
5a0e3ad6 14#include <linux/slab.h>
55682965
JB		 15#include <linux/list.h>
16#include <linux/if_ether.h>
17#include <linux/ieee80211.h>
18#include <linux/nl80211.h>
19#include <linux/rtnetlink.h>
20#include <linux/netlink.h>
259d8c1e 21#include <linux/nospec.h>
2a519311 22#include <linux/etherdevice.h>
e3ae39ed 23#include <linux/if_vlan.h>
463d0183 24#include <net/net_namespace.h>
55682965
JB		 25#include <net/genetlink.h>
26#include <net/cfg80211.h>
463d0183 27#include <net/sock.h>
2a0e047e 28#include <net/inet_connection_sock.h>
55682965
JB		 29#include "core.h"
30#include "nl80211.h"
b2e1b302 31#include "reg.h"
e35e4d28 32#include "rdev-ops.h"
55682965 33
5fb628e9
JM		 34static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
35 struct genl_info *info,
36 struct cfg80211_crypto_settings *settings,
37 int cipher_limit);
38
55682965 39/* the netlink family */
489111e5 40static struct genl_family nl80211_fam;
55682965 41
2a94fe48
JB		 42/* multicast groups */
43enum nl80211_multicast_groups {
44 NL80211_MCGRP_CONFIG,
45 NL80211_MCGRP_SCAN,
46 NL80211_MCGRP_REGULATORY,
47 NL80211_MCGRP_MLME,
567ffc35 48 NL80211_MCGRP_VENDOR,
50bcd31d 49 NL80211_MCGRP_NAN,
2a94fe48
JB		 50 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
51};
52
53static const struct genl_multicast_group nl80211_mcgrps[] = {
71b836ec
JB		 54 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
55 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
56 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
57 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
58 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
50bcd31d 59 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
2a94fe48 60#ifdef CONFIG_NL80211_TESTMODE
71b836ec 61 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
2a94fe48
JB		 62#endif
63};
64
89a54e48
JB		 65/* returns ERR_PTR values */
66static struct wireless_dev *
a05829a7
JB		 67__cfg80211_wdev_from_attrs(struct cfg80211_registered_device *rdev,
68 struct net *netns, struct nlattr **attrs)
55682965 69{
89a54e48
JB		 70 struct wireless_dev *result = NULL;
71 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
72 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
239729a2 73 u64 wdev_id = 0;
89a54e48
JB		 74 int wiphy_idx = -1;
75 int ifidx = -1;
55682965 76
89a54e48
JB		 77 if (!have_ifidx && !have_wdev_id)
78 return ERR_PTR(-EINVAL);
55682965 79
89a54e48
JB		 80 if (have_ifidx)
81 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
82 if (have_wdev_id) {
83 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
84 wiphy_idx = wdev_id >> 32;
55682965
JB		 85 }
86
a05829a7
JB		 87 if (rdev) {
88 struct wireless_dev *wdev;
89
90 lockdep_assert_held(&rdev->wiphy.mtx);
91
92 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
93 if (have_ifidx && wdev->netdev &&
94 wdev->netdev->ifindex == ifidx) {
95 result = wdev;
96 break;
97 }
98 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
99 result = wdev;
100 break;
101 }
102 }
103
104 return result ?: ERR_PTR(-ENODEV);
105 }
106
107 ASSERT_RTNL();
108
7483a214 109 for_each_rdev(rdev) {
89a54e48
JB		 110 struct wireless_dev *wdev;
111
112 if (wiphy_net(&rdev->wiphy) != netns)
113 continue;
114
115 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
116 continue;
117
53873f13 118 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
89a54e48
JB		 119 if (have_ifidx && wdev->netdev &&
120 wdev->netdev->ifindex == ifidx) {
121 result = wdev;
122 break;
123 }
124 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
125 result = wdev;
126 break;
127 }
128 }
89a54e48
JB		 129
130 if (result)
131 break;
132 }
133
134 if (result)
135 return result;
136 return ERR_PTR(-ENODEV);
55682965
JB		 137}
138
a9455408 139static struct cfg80211_registered_device *
878d9ec7 140__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
a9455408 141{
7fee4778
JB		 142 struct cfg80211_registered_device *rdev = NULL, *tmp;
143 struct net_device *netdev;
a9455408 144
5fe231e8 145 ASSERT_RTNL();
a9455408 146
878d9ec7 147 if (!attrs[NL80211_ATTR_WIPHY] &&
89a54e48
JB		 148 !attrs[NL80211_ATTR_IFINDEX] &&
149 !attrs[NL80211_ATTR_WDEV])
7fee4778
JB		 150 return ERR_PTR(-EINVAL);
151
878d9ec7 152 if (attrs[NL80211_ATTR_WIPHY])
7fee4778 153 rdev = cfg80211_rdev_by_wiphy_idx(
878d9ec7 154 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
a9455408 155
89a54e48
JB		 156 if (attrs[NL80211_ATTR_WDEV]) {
157 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
158 struct wireless_dev *wdev;
159 bool found = false;
160
161 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
162 if (tmp) {
163 /* make sure wdev exists */
53873f13 164 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
89a54e48
JB		 165 if (wdev->identifier != (u32)wdev_id)
166 continue;
167 found = true;
168 break;
169 }
89a54e48
JB		 170
171 if (!found)
172 tmp = NULL;
173
174 if (rdev && tmp != rdev)
175 return ERR_PTR(-EINVAL);
176 rdev = tmp;
177 }
178 }
179
878d9ec7
JB		 180 if (attrs[NL80211_ATTR_IFINDEX]) {
181 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
7a087e74 182
7f2b8562 183 netdev = __dev_get_by_index(netns, ifindex);
7fee4778
JB		 184 if (netdev) {
185 if (netdev->ieee80211_ptr)
f26cbf40
ZG		 186 tmp = wiphy_to_rdev(
187 netdev->ieee80211_ptr->wiphy);
7fee4778
JB		 188 else
189 tmp = NULL;
190
7fee4778
JB		 191 /* not wireless device -- return error */
192 if (!tmp)
193 return ERR_PTR(-EINVAL);
194
195 /* mismatch -- return error */
196 if (rdev && tmp != rdev)
197 return ERR_PTR(-EINVAL);
198
199 rdev = tmp;
a9455408 200 }
a9455408 201 }
a9455408 202
4f7eff10
JB		 203 if (!rdev)
204 return ERR_PTR(-ENODEV);
a9455408 205
4f7eff10
JB		 206 if (netns != wiphy_net(&rdev->wiphy))
207 return ERR_PTR(-ENODEV);
208
209 return rdev;
a9455408
JB		 210}
211
212/*
213 * This function returns a pointer to the driver
214 * that the genl_info item that is passed refers to.
a9455408
JB		 215 *
216 * The result of this can be a PTR_ERR and hence must
217 * be checked with IS_ERR() for errors.
218 */
219static struct cfg80211_registered_device *
4f7eff10 220cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
a9455408 221{
5fe231e8 222 return __cfg80211_rdev_from_attrs(netns, info->attrs);
a9455408
JB		 223}
224
f88eb7c0
JB		 225static int validate_beacon_head(const struct nlattr *attr,
226 struct netlink_ext_ack *extack)
227{
228 const u8 *data = nla_data(attr);
229 unsigned int len = nla_len(attr);
230 const struct element *elem;
231 const struct ieee80211_mgmt *mgmt = (void *)data;
1d47f119 232 unsigned int fixedlen, hdrlen;
9a6847ba 233 bool s1g_bcn;
1d47f119 234
9a6847ba
JB		 235 if (len < offsetofend(typeof(*mgmt), frame_control))
236 goto err;
237
238 s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
1d47f119
TP		 239 if (s1g_bcn) {
240 fixedlen = offsetof(struct ieee80211_ext,
241 u.s1g_beacon.variable);
242 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
243 } else {
244 fixedlen = offsetof(struct ieee80211_mgmt,
245 u.beacon.variable);
246 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
247 }
f88eb7c0
JB		 248
249 if (len < fixedlen)
250 goto err;
251
1d47f119 252 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
f88eb7c0
JB		 253 goto err;
254
255 data += fixedlen;
256 len -= fixedlen;
257
258 for_each_element(elem, data, len) {
259 /* nothing */
260 }
261
262 if (for_each_element_completed(elem, data, len))
263 return 0;
264
265err:
266 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
267 return -EINVAL;
268}
269
3d7af878
JB		 270static int validate_ie_attr(const struct nlattr *attr,
271 struct netlink_ext_ack *extack)
272{
9f308616
JB		 273 const u8 *data = nla_data(attr);
274 unsigned int len = nla_len(attr);
7388afe0 275 const struct element *elem;
3d7af878 276
9f308616
JB		 277 for_each_element(elem, data, len) {
278 /* nothing */
3d7af878
JB		 279 }
280
9f308616
JB		 281 if (for_each_element_completed(elem, data, len))
282 return 0;
283
3d7af878
JB		 284 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
285 return -EINVAL;
286}
287
a3a20feb
JB		 288static int validate_he_capa(const struct nlattr *attr,
289 struct netlink_ext_ack *extack)
290{
291 if (!ieee80211_he_capa_size_ok(nla_data(attr), nla_len(attr)))
292 return -EINVAL;
293
294 return 0;
295}
296
55682965 297/* policy for the attributes */
d15da2a2
JB		 298static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
299
81e54d08
PKC		 300static const struct nla_policy
301nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
302 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
303 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
304 .len = U8_MAX },
305 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
306 .len = U8_MAX },
307};
308
9bb7e0f2
JB		 309static const struct nla_policy
310nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
311 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
312 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
313 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
314 NLA_POLICY_MAX(NLA_U8, 15),
315 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
316 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
317 NLA_POLICY_MAX(NLA_U8, 15),
318 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
ea18709a 319 NLA_POLICY_MAX(NLA_U8, 31),
9bb7e0f2
JB		 320 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
321 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
322 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
efb5520d
AS		 323 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
324 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
73807523 325 [NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK] = { .type = NLA_FLAG },
218d690c 326 [NL80211_PMSR_FTM_REQ_ATTR_BSS_COLOR] = { .type = NLA_U8 },
9bb7e0f2
JB		 327};
328
329static const struct nla_policy
330nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
331 [NL80211_PMSR_TYPE_FTM] =
23323289 332 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
9bb7e0f2
JB		 333};
334
335static const struct nla_policy
336nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
337 [NL80211_PMSR_REQ_ATTR_DATA] =
23323289 338 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
9bb7e0f2
JB		 339 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
340};
341
342static const struct nla_policy
aeddc05f 343nl80211_pmsr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
9bb7e0f2 344 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
d15da2a2 345 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
9bb7e0f2 346 [NL80211_PMSR_PEER_ATTR_REQ] =
23323289 347 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
9bb7e0f2
JB		 348 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
349};
350
351static const struct nla_policy
352nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
353 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
354 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
355 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
356 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
357 [NL80211_PMSR_ATTR_PEERS] =
aeddc05f 358 NLA_POLICY_NESTED_ARRAY(nl80211_pmsr_peer_attr_policy),
9bb7e0f2
JB		 359};
360
796e90f4
JC		 361static const struct nla_policy
362he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
363 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
364 NLA_POLICY_RANGE(NLA_U8, 1, 20),
365 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
366 NLA_POLICY_RANGE(NLA_U8, 1, 20),
f5bec330
RM		 367 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
368 NLA_POLICY_RANGE(NLA_U8, 1, 20),
369 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
370 NLA_POLICY_EXACT_LEN(8),
371 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
372 NLA_POLICY_EXACT_LEN(8),
373 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
796e90f4
JC		 374};
375
5c5e52d1
JC		 376static const struct nla_policy
377he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
378 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
379 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
380 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
381};
382
9a5f6488
TC		 383static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
384 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
385 .len = NL80211_MAX_SUPP_RATES },
386 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
387 .len = NL80211_MAX_SUPP_HT_RATES },
388 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
389 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
eb89a6a6
MH		 390 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
391 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
392 NL80211_RATE_INFO_HE_GI_0_8,
393 NL80211_RATE_INFO_HE_GI_3_2),
394 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
395 NL80211_RATE_INFO_HE_1XLTF,
396 NL80211_RATE_INFO_HE_4XLTF),
9a5f6488
TC		 397};
398
77f576de
T		 399static const struct nla_policy
400nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
3710a8a6
JB		 401 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
402 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
77f576de 403 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
3710a8a6 404 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
77f576de
T		 405 [NL80211_TID_CONFIG_ATTR_NOACK] =
406 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
6a21d16c
T		 407 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
408 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
ade274b2
T		 409 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
410 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
04f7d142
T		 411 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
412 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
33462e68
SM		 413 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
414 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
9a5f6488
TC		 415 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
416 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
417 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
418 NLA_POLICY_NESTED(nl80211_txattr_policy),
77f576de
T		 419};
420
291c49de
AD		 421static const struct nla_policy
422nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
423 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
424 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
272cd0e8
AD		 425 [NL80211_FILS_DISCOVERY_ATTR_TMPL] =
426 NLA_POLICY_RANGE(NLA_BINARY,
427 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
428 IEEE80211_MAX_DATA_LEN),
291c49de
AD		 429};
430
7443dcd1
AD		 431static const struct nla_policy
432nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
433 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
434 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
435 .len = IEEE80211_MAX_DATA_LEN }
436};
437
6bdb68ce
CH		 438static const struct nla_policy
439sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
440 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
441 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
442};
443
444static const struct nla_policy
445sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
446 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
447 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
448};
449
dc1e3cb8
JC		 450static const struct nla_policy
451nl80211_mbssid_config_policy[NL80211_MBSSID_CONFIG_ATTR_MAX + 1] = {
452 [NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES] = NLA_POLICY_MIN(NLA_U8, 2),
453 [NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY] =
454 NLA_POLICY_MIN(NLA_U8, 1),
455 [NL80211_MBSSID_CONFIG_ATTR_INDEX] = { .type = NLA_U8 },
456 [NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX] = { .type = NLA_U32 },
457 [NL80211_MBSSID_CONFIG_ATTR_EMA] = { .type = NLA_FLAG },
458};
459
ff5c4dc4
JB		 460static const struct nla_policy
461nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
462 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
463 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
464};
465
ea23fbd2 466static const struct netlink_range_validation nl80211_punct_bitmap_range = {
b27f07c5
JB		 467 .min = 0,
468 .max = 0xffff,
469};
470
d15da2a2 471static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
6d4dd4ef 472 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
55682965
JB		 473 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
474 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
079e24ed 475 .len = 20-1 },
31888487 476 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
3d9d1d66 477
72bdcf34 478 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
094d05dc 479 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
2a38075c
AAL		 480 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
481 NL80211_EDMG_CHANNELS_MIN,
482 NL80211_EDMG_CHANNELS_MAX),
483 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
484 NL80211_EDMG_BW_CONFIG_MIN,
485 NL80211_EDMG_BW_CONFIG_MAX),
486
3d9d1d66
JB		 487 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
488 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
942ba88b 489 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
3d9d1d66
JB		 490 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
491
ab0d76f6
JB		 492 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
493 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
b9a5f8ca
JM		 494 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
495 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
81077e82 496 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
3057dbfd 497 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
55682965 498
ab0d76f6 499 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
55682965
JB		 500 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
501 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
41ade00f 502
c7721c05
JB		 503 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
504 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
41ade00f 505
b9454e83 506 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
41ade00f
JB		 507 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
508 .len = WLAN_MAX_KEY_LEN },
56be393f 509 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
41ade00f
JB		 510 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
511 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
81962267 512 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
ab0d76f6
JB		 513 [NL80211_ATTR_KEY_TYPE] =
514 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
ed1b6cc7
JB		 515
516 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
517 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
f88eb7c0
JB		 518 [NL80211_ATTR_BEACON_HEAD] =
519 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
520 IEEE80211_MAX_DATA_LEN),
3d7af878
JB		 521 [NL80211_ATTR_BEACON_TAIL] =
522 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
523 IEEE80211_MAX_DATA_LEN),
ab0d76f6
JB		 524 [NL80211_ATTR_STA_AID] =
525 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
5727ef1b
JB		 526 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
527 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
528 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
529 .len = NL80211_MAX_SUPP_RATES },
ab0d76f6
JB		 530 [NL80211_ATTR_STA_PLINK_ACTION] =
531 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
e96d1cd2
ARN		 532 [NL80211_ATTR_STA_TX_POWER_SETTING] =
533 NLA_POLICY_RANGE(NLA_U8,
534 NL80211_TX_POWER_AUTOMATIC,
535 NL80211_TX_POWER_FIXED),
536 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
5727ef1b 537 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
0a9542ee 538 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
2ec600d6 539 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
a4f606ea 540 .len = IEEE80211_MAX_MESH_ID_LEN },
1fab1b89 541 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
9f1ba906 542
6624bb34
JB		 543 /* allow 3 for NUL-termination, we used to declare this NLA_STRING */
544 [NL80211_ATTR_REG_ALPHA2] = NLA_POLICY_RANGE(NLA_BINARY, 2, 3),
b2e1b302
LR		 545 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
546
9f1ba906
JM		 547 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
548 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
549 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
90c97a04
JM		 550 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
551 .len = NL80211_MAX_SUPP_RATES },
50b12f59 552 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
36aedc90 553
24bdd9f4 554 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
15d5dda6 555 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
93da9cc1 556
c7721c05 557 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
9aed3cc1
JM		 558
559 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
3d7af878
JB		 560 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
561 validate_ie_attr,
562 IEEE80211_MAX_DATA_LEN),
2a519311
JB		 563 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
564 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
636a5d36
JM		 565
566 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
567 .len = IEEE80211_MAX_SSID_LEN },
568 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
569 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
04a773ad 570 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
1965c853 571 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
ab0d76f6
JB		 572 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
573 NL80211_MFP_NO,
574 NL80211_MFP_OPTIONAL),
ff5c4dc4
JB		 575 [NL80211_ATTR_STA_FLAGS2] =
576 NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_sta_flag_update)),
3f77316c 577 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
c0692b8f
JB		 578 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
579 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
64bf3d4b 580 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
b23aa676 581 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
ea750801 582 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
b23aa676
SO		 583 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
584 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
463d0183 585 [NL80211_ATTR_PID] = { .type = NLA_U32 },
8b787643 586 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
c7721c05 587 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
9588bbd5
JM		 588 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
589 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
13ae75b1 590 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
026331c4
JM		 591 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
592 .len = IEEE80211_MAX_DATA_LEN },
593 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
ab0d76f6
JB		 594 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
595 NL80211_PS_DISABLED,
596 NL80211_PS_ENABLED),
d6dc1a38 597 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
d5cdfacb 598 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
fd8aaaf3 599 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
98d2ff8b
JO		 600 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
601 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
2e161f78 602 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
afe0cbf8
BR		 603 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
604 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
885a46d0 605 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
f7ca38df 606 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
dbd2fd65 607 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
ff1b6e69 608 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
ab0d76f6
JB		 609 [NL80211_ATTR_STA_PLINK_STATE] =
610 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
056e9375
JK		 611 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
612 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
ab0d76f6
JB		 613 [NL80211_ATTR_MESH_PEER_AID] =
614 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
bbe6ad6d 615 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
e5497d76 616 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
34850ab2 617 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
ab0d76f6
JB		 618 [NL80211_ATTR_HIDDEN_SSID] =
619 NLA_POLICY_RANGE(NLA_U32,
620 NL80211_HIDDEN_SSID_NOT_IN_USE,
621 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
3d7af878
JB		 622 [NL80211_ATTR_IE_PROBE_RESP] =
623 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
624 IEEE80211_MAX_DATA_LEN),
625 [NL80211_ATTR_IE_ASSOC_RESP] =
626 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
627 IEEE80211_MAX_DATA_LEN),
f4b34b55 628 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
ff5c4dc4 629 [NL80211_ATTR_STA_WME] = NLA_POLICY_NESTED(nl80211_sta_wme_policy),
a1f1c21c 630 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
e9f935e3 631 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
109086ce
AN		 632 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
633 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
634 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
635 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
636 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
31fa97c5 637 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
e247bd90 638 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
00f740e1
AN		 639 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
640 .len = IEEE80211_MAX_DATA_LEN },
8b60b078 641 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
7e7c8926
BG		 642 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
643 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
644 .len = NL80211_HT_CAPABILITY_LEN
645 },
1d9d9213 646 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
1b658f11 647 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
4486ea98 648 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
89a54e48 649 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
57b5ce07 650 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
cb9abd48
JB		 651
652 /* need to include at least Auth Transaction and Status Code */
653 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
654
c7721c05 655 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
ed473771 656 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
ab0d76f6
JB		 657 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
658 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
659 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
660 NLA_POLICY_RANGE(NLA_U32,
661 NL80211_MESH_POWER_UNKNOWN + 1,
662 NL80211_MESH_POWER_MAX),
77765eaf
VT		 663 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
664 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
9d62a986
JM		 665 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
666 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
3713b4e3 667 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
ee2aca34
JB		 668 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
669 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
670 .len = NL80211_VHT_CAPABILITY_LEN,
671 },
355199e0
JM		 672 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
673 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
674 .len = IEEE80211_MAX_DATA_LEN },
0e1a1d85 675 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
cb9abd48
JB		 676 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
677 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
ab0d76f6
JB		 678 [NL80211_ATTR_PEER_AID] =
679 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
16ef1fe2
SW		 680 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
681 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
682 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
00c207ed
JC		 683 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
684 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
cb9abd48 685 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
c8b82802
JB		 686 /*
687 * The value of the Length field of the Supported Operating
688 * Classes element is between 2 and 253.
689 */
690 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
691 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
5336fa88 692 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
60f4a7b1 693 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
ad7e718c
JB		 694 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
695 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
696 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
c8b82802
JB		 697 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
698 IEEE80211_QOS_MAP_LEN_MIN,
699 IEEE80211_QOS_MAP_LEN_MAX),
c7721c05 700 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
1df4a510 701 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
df942e7b 702 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
18e5ca65 703 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
34d22ce2 704 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
bab5ab7d 705 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
ab0d76f6
JB		 706 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
707 [NL80211_ATTR_USER_PRIO] =
708 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
960d01ac 709 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
18998c38 710 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
5cde05c6 711 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
c7721c05 712 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
1bdd716c 713 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
4b681c82 714 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
9c748934 715 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
05050753 716 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
34d50519 717 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
38de03d2 718 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
ab0d76f6
JB		 719 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
720 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
c6e6a0c8
AE		 721 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
722 .len = VHT_MUMIMO_GROUPS_DATA_LEN
723 },
c7721c05 724 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
ab0d76f6 725 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
8585989d 726 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
a442b761 727 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
348bd456
JM		 728 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
729 .len = FILS_MAX_KEK_LEN },
c7721c05 730 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
ce0ce13a 731 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
c7721c05 732 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
bf95ecdb 733 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
734 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
735 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
736 },
3093ebbe 737 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
a3caf744
VK		 738 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
739 .len = FILS_ERP_MAX_USERNAME_LEN },
740 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
741 .len = FILS_ERP_MAX_REALM_LEN },
742 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
743 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
744 .len = FILS_ERP_MAX_RRK_LEN },
c7721c05 745 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
a3caf744 746 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
cb9abd48 747 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
ca986ad9 748 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
40cbfa90 749 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
52539ca8
THJ		 750
751 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
752 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
753 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
c8b82802 754 [NL80211_ATTR_HE_CAPABILITY] =
a3a20feb
JB		 755 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_he_capa,
756 NL80211_HE_MAX_CAPABILITY_LEN),
0e012b4e
JB		 757 [NL80211_ATTR_FTM_RESPONDER] =
758 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
9bb7e0f2
JB		 759 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
760 [NL80211_ATTR_PEER_MEASUREMENTS] =
23323289 761 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
36647055 762 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
26f7044e
CHH		 763 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
764 .len = SAE_PASSWORD_MAX_LEN },
a0de1ca3 765 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
796e90f4 766 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
14f34e36 767 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
5c5e52d1 768 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
77f576de
T		 769 [NL80211_ATTR_TID_CONFIG] =
770 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
5631d96a 771 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
7fc82af8
VJ		 772 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
773 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
9dba48a6 774 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
942ba88b 775 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
2032f3b2 776 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
8140860c
JB		 777 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
778 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
291c49de
AD		 779 [NL80211_ATTR_FILS_DISCOVERY] =
780 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
7443dcd1
AD		 781 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
782 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
d2b7588a
TP		 783 [NL80211_ATTR_S1G_CAPABILITY] =
784 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
785 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
786 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
9f0ffa41
RD		 787 [NL80211_ATTR_SAE_PWE] =
788 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
789 NL80211_SAE_PWE_BOTH),
3bb02143 790 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
6bdb68ce 791 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
b6db0f89 792 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
0d2ab3ae
JC		 793 [NL80211_ATTR_OBSS_COLOR_BITMAP] = { .type = NLA_U64 },
794 [NL80211_ATTR_COLOR_CHANGE_COUNT] = { .type = NLA_U8 },
795 [NL80211_ATTR_COLOR_CHANGE_COLOR] = { .type = NLA_U8 },
796 [NL80211_ATTR_COLOR_CHANGE_ELEMS] = NLA_POLICY_NESTED(nl80211_policy),
dc1e3cb8
JC		 797 [NL80211_ATTR_MBSSID_CONFIG] =
798 NLA_POLICY_NESTED(nl80211_mbssid_config_policy),
799 [NL80211_ATTR_MBSSID_ELEMS] = { .type = NLA_NESTED },
a95bfb87 800 [NL80211_ATTR_RADAR_BACKGROUND] = { .type = NLA_FLAG },
47301a74 801 [NL80211_ATTR_AP_SETTINGS_FLAGS] = { .type = NLA_U32 },
ea05fd35
IP		 802 [NL80211_ATTR_EHT_CAPABILITY] =
803 NLA_POLICY_RANGE(NLA_BINARY,
804 NL80211_EHT_MIN_CAPABILITY_LEN,
805 NL80211_EHT_MAX_CAPABILITY_LEN),
36f84235 806 [NL80211_ATTR_DISABLE_EHT] = { .type = NLA_FLAG },
7b0a0e3c
JB		 807 [NL80211_ATTR_MLO_LINKS] =
808 NLA_POLICY_NESTED_ARRAY(nl80211_policy),
809 [NL80211_ATTR_MLO_LINK_ID] =
810 NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS),
d648c230 811 [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN),
efbabc11 812 [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
ecad3b0b 813 [NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT },
b27f07c5
JB		 814 [NL80211_ATTR_PUNCT_BITMAP] =
815 NLA_POLICY_FULL_RANGE(NLA_U32, &nl80211_punct_bitmap_range),
cbbaf2bb
AS		 816
817 [NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS] = { .type = NLA_U16 },
818 [NL80211_ATTR_HW_TIMESTAMP_ENABLED] = { .type = NLA_FLAG },
dbbb27e1 819 [NL80211_ATTR_EMA_RNR_ELEMS] = { .type = NLA_NESTED },
6cf963ed 820 [NL80211_ATTR_MLO_LINK_DISABLED] = { .type = NLA_FLAG },
d02a12b8 821 [NL80211_ATTR_BSS_DUMP_INCLUDE_USE_DATA] = { .type = NLA_FLAG },
b61e6b41
IP		 822 [NL80211_ATTR_MLO_TTLM_DLINK] = NLA_POLICY_EXACT_LEN(sizeof(u16) * 8),
823 [NL80211_ATTR_MLO_TTLM_ULINK] = NLA_POLICY_EXACT_LEN(sizeof(u16) * 8),
55682965
JB		 824};
825
e31b8213 826/* policy for the key attributes */
b54452b0 827static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
fffd0934 828 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
b9454e83
JB		 829 [NL80211_KEY_IDX] = { .type = NLA_U8 },
830 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
81962267 831 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
b9454e83
JB		 832 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
833 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
ab0d76f6 834 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
dbd2fd65 835 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
6cdd3979 836 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
dbd2fd65
JB		 837};
838
839/* policy for the key default flags */
840static const struct nla_policy
841nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
842 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
843 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
b9454e83
JB		 844};
845
f83ace3b 846#ifdef CONFIG_PM
ff1b6e69
JB		 847/* policy for WoWLAN attributes */
848static const struct nla_policy
849nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
850 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
851 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
852 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
853 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
77dbbb13
JB		 854 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
855 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
856 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
857 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
2a0e047e 858 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
8cd4d456 859 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
2a0e047e
JB		 860};
861
862static const struct nla_policy
863nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
864 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
865 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
c7721c05 866 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
2a0e047e
JB		 867 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
868 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
bc043585 869 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
2a0e047e
JB		 870 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
871 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
872 },
873 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
874 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
875 },
876 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
bc043585
JB		 877 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
878 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
ff1b6e69 879};
f83ace3b 880#endif /* CONFIG_PM */
ff1b6e69 881
be29b99a
AK		 882/* policy for coalesce rule attributes */
883static const struct nla_policy
884nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
885 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
ab0d76f6
JB		 886 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
887 NLA_POLICY_RANGE(NLA_U32,
888 NL80211_COALESCE_CONDITION_MATCH,
889 NL80211_COALESCE_CONDITION_NO_MATCH),
be29b99a
AK		 890 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
891};
892
e5497d76
JB		 893/* policy for GTK rekey offload attributes */
894static const struct nla_policy
895nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
093a48d2
NE		 896 [NL80211_REKEY_DATA_KEK] = {
897 .type = NLA_BINARY,
898 .len = NL80211_KEK_EXT_LEN
899 },
900 [NL80211_REKEY_DATA_KCK] = {
901 .type = NLA_BINARY,
648fba79 902 .len = NL80211_KCK_EXT_LEN_32
093a48d2 903 },
cb9abd48 904 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
093a48d2 905 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
e5497d76
JB		 906};
907
1e1b11b6 908static const struct nla_policy
909nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
910 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
911 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
e548a1c3 912 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
1e1b11b6 913 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
63fa0426 914 [NL80211_BAND_LC] = { .type = NLA_S32 },
1e1b11b6 915};
916
a1f1c21c
LC		 917static const struct nla_policy
918nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
4a4ab0d7 919 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
a1f1c21c 920 .len = IEEE80211_MAX_SSID_LEN },
c7721c05 921 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
88e920b4 922 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
1e1b11b6 923 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
924 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
a1f1c21c
LC		 925};
926
3b06d277
AS		 927static const struct nla_policy
928nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
929 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
930 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
931};
932
38de03d2
AS		 933static const struct nla_policy
934nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
935 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
936 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
937 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
938 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
939 },
940};
941
a442b761
AB		 942/* policy for NAN function attributes */
943static const struct nla_policy
944nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
cb9abd48
JB		 945 [NL80211_NAN_FUNC_TYPE] =
946 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
0a27844c 947 [NL80211_NAN_FUNC_SERVICE_ID] = {
a442b761
AB		 948 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
949 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
950 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
951 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
952 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
953 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
c7721c05 954 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
a442b761
AB		 955 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
956 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
957 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
958 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
959 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
960 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
961 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
962 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
963 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
964};
965
966/* policy for Service Response Filter attributes */
967static const struct nla_policy
968nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
969 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
970 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
971 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
972 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
973 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
974};
975
ad670233
PX		 976/* policy for packet pattern attributes */
977static const struct nla_policy
978nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
979 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
980 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
981 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
982};
983
ce6b6974
JB		 984static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
985 struct cfg80211_registered_device **rdev,
986 struct wireless_dev **wdev,
987 struct nlattr **attrbuf)
a043897a 988{
97990a06 989 int err;
a043897a 990
97990a06 991 if (!cb->args[0]) {
ce6b6974
JB		 992 struct nlattr **attrbuf_free = NULL;
993
994 if (!attrbuf) {
995 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
996 GFP_KERNEL);
997 if (!attrbuf)
998 return -ENOMEM;
999 attrbuf_free = attrbuf;
1000 }
50508d94 1001
8cb08174
JB		 1002 err = nlmsg_parse_deprecated(cb->nlh,
1003 GENL_HDRLEN + nl80211_fam.hdrsize,
50508d94 1004 attrbuf, nl80211_fam.maxattr,
8cb08174 1005 nl80211_policy, NULL);
50508d94 1006 if (err) {
ce6b6974 1007 kfree(attrbuf_free);
ea90e0dc 1008 return err;
50508d94 1009 }
67748893 1010
a05829a7
JB		 1011 rtnl_lock();
1012 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
50508d94 1013 attrbuf);
ce6b6974 1014 kfree(attrbuf_free);
a05829a7
JB		 1015 if (IS_ERR(*wdev)) {
1016 rtnl_unlock();
ea90e0dc 1017 return PTR_ERR(*wdev);
a05829a7 1018 }
f26cbf40 1019 *rdev = wiphy_to_rdev((*wdev)->wiphy);
a05829a7
JB		 1020 mutex_lock(&(*rdev)->wiphy.mtx);
1021 rtnl_unlock();
c319d50b
JB		 1022 /* 0 is the first index - add 1 to parse only once */
1023 cb->args[0] = (*rdev)->wiphy_idx + 1;
97990a06
JB		 1024 cb->args[1] = (*wdev)->identifier;
1025 } else {
c319d50b 1026 /* subtract the 1 again here */
a05829a7 1027 struct wiphy *wiphy;
97990a06 1028 struct wireless_dev *tmp;
67748893 1029
a05829a7
JB		 1030 rtnl_lock();
1031 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
1032 if (!wiphy) {
1033 rtnl_unlock();
ea90e0dc 1034 return -ENODEV;
a05829a7 1035 }
f26cbf40 1036 *rdev = wiphy_to_rdev(wiphy);
97990a06 1037 *wdev = NULL;
67748893 1038
53873f13 1039 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
97990a06
JB		 1040 if (tmp->identifier == cb->args[1]) {
1041 *wdev = tmp;
1042 break;
1043 }
1044 }
67748893 1045
a05829a7
JB		 1046 if (!*wdev) {
1047 rtnl_unlock();
ea90e0dc 1048 return -ENODEV;
a05829a7
JB		 1049 }
1050 mutex_lock(&(*rdev)->wiphy.mtx);
1051 rtnl_unlock();
67748893
JB		 1052 }
1053
67748893 1054 return 0;
67748893
JB		 1055}
1056
55682965 1057/* message building helper */
9bb7e0f2
JB		 1058void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1059 int flags, u8 cmd)
55682965
JB		 1060{
1061 /* since there is no private header just add the generic one */
15e47304 1062 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
55682965
JB		 1063}
1064
50f32718
HD		 1065static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1066 const struct ieee80211_reg_rule *rule)
1067{
1068 int j;
1069 struct nlattr *nl_wmm_rules =
ae0be8de 1070 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
50f32718
HD		 1071
1072 if (!nl_wmm_rules)
1073 goto nla_put_failure;
1074
1075 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
ae0be8de 1076 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
50f32718
HD		 1077
1078 if (!nl_wmm_rule)
1079 goto nla_put_failure;
1080
1081 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
38cb87ee 1082 rule->wmm_rule.client[j].cw_min) ||
50f32718 1083 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
38cb87ee 1084 rule->wmm_rule.client[j].cw_max) ||
50f32718 1085 nla_put_u8(msg, NL80211_WMMR_AIFSN,
38cb87ee 1086 rule->wmm_rule.client[j].aifsn) ||
d3c89bbc
HD		 1087 nla_put_u16(msg, NL80211_WMMR_TXOP,
1088 rule->wmm_rule.client[j].cot))
50f32718
HD		 1089 goto nla_put_failure;
1090
1091 nla_nest_end(msg, nl_wmm_rule);
1092 }
1093 nla_nest_end(msg, nl_wmm_rules);
1094
1095 return 0;
1096
1097nla_put_failure:
1098 return -ENOBUFS;
1099}
1100
1101static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
cdc89b97
JB		 1102 struct ieee80211_channel *chan,
1103 bool large)
5dab3b8a 1104{
ea077c1c
RL		 1105 /* Some channels must be completely excluded from the
1106 * list to protect old user-space tools from breaking
1107 */
1108 if (!large && chan->flags &
1109 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1110 return 0;
f8d504ca
JB		 1111 if (!large && chan->freq_offset)
1112 return 0;
ea077c1c 1113
9360ffd1
DM		 1114 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1115 chan->center_freq))
1116 goto nla_put_failure;
5dab3b8a 1117
942ba88b
TP		 1118 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1119 goto nla_put_failure;
1120
ddd7f45c
WG		 1121 if ((chan->flags & IEEE80211_CHAN_PSD) &&
1122 nla_put_s8(msg, NL80211_FREQUENCY_ATTR_PSD, chan->psd))
1123 goto nla_put_failure;
1124
9360ffd1
DM		 1125 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1126 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1127 goto nla_put_failure;
8fe02e16
LR		 1128 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1129 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1130 goto nla_put_failure;
1131 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1132 goto nla_put_failure;
1133 }
cdc89b97
JB		 1134 if (chan->flags & IEEE80211_CHAN_RADAR) {
1135 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1136 goto nla_put_failure;
1137 if (large) {
1138 u32 time;
1139
1140 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1141
1142 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1143 chan->dfs_state))
1144 goto nla_put_failure;
1145 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1146 time))
1147 goto nla_put_failure;
089027e5
JD		 1148 if (nla_put_u32(msg,
1149 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1150 chan->dfs_cac_ms))
1151 goto nla_put_failure;
cdc89b97
JB		 1152 }
1153 }
5dab3b8a 1154
fe1abafd
JB		 1155 if (large) {
1156 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1157 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1158 goto nla_put_failure;
1159 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1160 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1161 goto nla_put_failure;
1162 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1163 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1164 goto nla_put_failure;
1165 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1166 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1167 goto nla_put_failure;
570dbde1
DS		 1168 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1169 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1170 goto nla_put_failure;
06f207fc
AN		 1171 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1172 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
570dbde1 1173 goto nla_put_failure;
ea077c1c
RL		 1174 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1175 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1176 goto nla_put_failure;
1177 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1178 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1179 goto nla_put_failure;
1e61d82c
HD		 1180 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1181 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1182 goto nla_put_failure;
d65a9770
TP		 1183 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1184 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1185 goto nla_put_failure;
1186 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1187 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1188 goto nla_put_failure;
1189 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1190 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1191 goto nla_put_failure;
1192 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1193 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1194 goto nla_put_failure;
1195 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1196 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1197 goto nla_put_failure;
c2b3d769
S		 1198 if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
1199 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
1200 goto nla_put_failure;
31846b65
IP		 1201 if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
1202 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
1203 goto nla_put_failure;
41a313d8
AO		 1204 if ((chan->flags & IEEE80211_CHAN_DFS_CONCURRENT) &&
1205 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DFS_CONCURRENT))
1206 goto nla_put_failure;
645f3d85
MS		 1207 if ((chan->flags & IEEE80211_CHAN_NO_UHB_VLP_CLIENT) &&
1208 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_UHB_VLP_CLIENT))
1209 goto nla_put_failure;
1210 if ((chan->flags & IEEE80211_CHAN_NO_UHB_AFC_CLIENT) &&
1211 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_UHB_AFC_CLIENT))
1212 goto nla_put_failure;
fe1abafd
JB		 1213 }
1214
9360ffd1
DM		 1215 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1216 DBM_TO_MBM(chan->max_power)))
1217 goto nla_put_failure;
5dab3b8a 1218
50f32718
HD		 1219 if (large) {
1220 const struct ieee80211_reg_rule *rule =
b88d26d9 1221 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
50f32718 1222
38cb87ee 1223 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
50f32718
HD		 1224 if (nl80211_msg_put_wmm_rules(msg, rule))
1225 goto nla_put_failure;
1226 }
1227 }
1228
5dab3b8a
LR		 1229 return 0;
1230
1231 nla_put_failure:
1232 return -ENOBUFS;
1233}
1234
52539ca8
THJ		 1235static bool nl80211_put_txq_stats(struct sk_buff *msg,
1236 struct cfg80211_txq_stats *txqstats,
1237 int attrtype)
1238{
1239 struct nlattr *txqattr;
1240
1241#define PUT_TXQVAL_U32(attr, memb) do { \
1242 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1243 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1244 return false; \
1245 } while (0)
1246
ae0be8de 1247 txqattr = nla_nest_start_noflag(msg, attrtype);
52539ca8
THJ		 1248 if (!txqattr)
1249 return false;
1250
1251 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1252 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1253 PUT_TXQVAL_U32(FLOWS, flows);
1254 PUT_TXQVAL_U32(DROPS, drops);
1255 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1256 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1257 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1258 PUT_TXQVAL_U32(COLLISIONS, collisions);
1259 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1260 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1261 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1262 nla_nest_end(msg, txqattr);
1263
1264#undef PUT_TXQVAL_U32
1265 return true;
1266}
1267
55682965
JB		 1268/* netlink command implementations */
1269
7b0a0e3c
JB		 1270/**
1271 * nl80211_link_id - return link ID
1272 * @attrs: attributes to look at
1273 *
1274 * Returns: the link ID or 0 if not given
1275 *
1276 * Note this function doesn't do any validation of the link
1277 * ID validity wrt. links that were actually added, so it must
1278 * be called only from ops with %NL80211_FLAG_MLO_VALID_LINK_ID
1279 * or if additional validation is done.
1280 */
1281static unsigned int nl80211_link_id(struct nlattr **attrs)
1282{
1283 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1284
1285 if (!linkid)
1286 return 0;
1287
1288 return nla_get_u8(linkid);
1289}
1290
1291static int nl80211_link_id_or_invalid(struct nlattr **attrs)
1292{
1293 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1294
1295 if (!linkid)
1296 return -1;
1297
1298 return nla_get_u8(linkid);
1299}
1300
b9454e83
JB		 1301struct key_parse {
1302 struct key_params p;
1303 int idx;
e31b8213 1304 int type;
56be393f 1305 bool def, defmgmt, defbeacon;
dbd2fd65 1306 bool def_uni, def_multi;
b9454e83
JB		 1307};
1308
768075eb
JB		 1309static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1310 struct key_parse *k)
b9454e83
JB		 1311{
1312 struct nlattr *tb[NL80211_KEY_MAX + 1];
8cb08174
JB		 1313 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1314 nl80211_key_policy,
1315 info->extack);
b9454e83
JB		 1316 if (err)
1317 return err;
1318
1319 k->def = !!tb[NL80211_KEY_DEFAULT];
1320 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
56be393f 1321 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
b9454e83 1322
dbd2fd65
JB		 1323 if (k->def) {
1324 k->def_uni = true;
1325 k->def_multi = true;
1326 }
56be393f 1327 if (k->defmgmt || k->defbeacon)
dbd2fd65
JB		 1328 k->def_multi = true;
1329
b9454e83
JB		 1330 if (tb[NL80211_KEY_IDX])
1331 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1332
1333 if (tb[NL80211_KEY_DATA]) {
1334 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1335 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1336 }
1337
1338 if (tb[NL80211_KEY_SEQ]) {
1339 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1340 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1341 }
1342
1343 if (tb[NL80211_KEY_CIPHER])
1344 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1345
ab0d76f6 1346 if (tb[NL80211_KEY_TYPE])
e31b8213 1347 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
e31b8213 1348
dbd2fd65
JB		 1349 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1350 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
7a087e74 1351
8cb08174
JB		 1352 err = nla_parse_nested_deprecated(kdt,
1353 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1354 tb[NL80211_KEY_DEFAULT_TYPES],
1355 nl80211_key_default_policy,
1356 info->extack);
dbd2fd65
JB		 1357 if (err)
1358 return err;
1359
1360 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1361 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1362 }
1363
6cdd3979
AW		 1364 if (tb[NL80211_KEY_MODE])
1365 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1366
b9454e83
JB		 1367 return 0;
1368}
1369
1370static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1371{
1372 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1373 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1374 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1375 }
1376
1377 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1378 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1379 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1380 }
1381
1382 if (info->attrs[NL80211_ATTR_KEY_IDX])
1383 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1384
1385 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1386 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1387
1388 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1389 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1390
dbd2fd65
JB		 1391 if (k->def) {
1392 k->def_uni = true;
1393 k->def_multi = true;
1394 }
1395 if (k->defmgmt)
1396 k->def_multi = true;
1397
ab0d76f6 1398 if (info->attrs[NL80211_ATTR_KEY_TYPE])
e31b8213 1399 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
e31b8213 1400
dbd2fd65
JB		 1401 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1402 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
8cb08174
JB		 1403 int err = nla_parse_nested_deprecated(kdt,
1404 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1405 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1406 nl80211_key_default_policy,
1407 info->extack);
dbd2fd65
JB		 1408 if (err)
1409 return err;
1410
1411 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1412 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1413 }
1414
b9454e83
JB		 1415 return 0;
1416}
1417
1418static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1419{
1420 int err;
1421
1422 memset(k, 0, sizeof(*k));
1423 k->idx = -1;
e31b8213 1424 k->type = -1;
b9454e83
JB		 1425
1426 if (info->attrs[NL80211_ATTR_KEY])
768075eb 1427 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
b9454e83
JB		 1428 else
1429 err = nl80211_parse_key_old(info, k);
1430
1431 if (err)
1432 return err;
1433
56be393f
JM		 1434 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1435 (k->defbeacon ? 1 : 0) > 1) {
1436 GENL_SET_ERR_MSG(info,
1437 "key with multiple default flags is invalid");
b9454e83 1438 return -EINVAL;
768075eb 1439 }
b9454e83 1440
56be393f 1441 if (k->defmgmt || k->defbeacon) {
768075eb 1442 if (k->def_uni || !k->def_multi) {
56be393f
JM		 1443 GENL_SET_ERR_MSG(info,
1444 "defmgmt/defbeacon key must be mcast");
dbd2fd65 1445 return -EINVAL;
768075eb 1446 }
dbd2fd65
JB		 1447 }
1448
b9454e83
JB		 1449 if (k->idx != -1) {
1450 if (k->defmgmt) {
768075eb
JB		 1451 if (k->idx < 4 || k->idx > 5) {
1452 GENL_SET_ERR_MSG(info,
1453 "defmgmt key idx not 4 or 5");
b9454e83 1454 return -EINVAL;
768075eb 1455 }
56be393f
JM		 1456 } else if (k->defbeacon) {
1457 if (k->idx < 6 || k->idx > 7) {
1458 GENL_SET_ERR_MSG(info,
1459 "defbeacon key idx not 6 or 7");
1460 return -EINVAL;
1461 }
b9454e83 1462 } else if (k->def) {
768075eb
JB		 1463 if (k->idx < 0 || k->idx > 3) {
1464 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
b9454e83 1465 return -EINVAL;
768075eb 1466 }
b9454e83 1467 } else {
56be393f
JM		 1468 if (k->idx < 0 || k->idx > 7) {
1469 GENL_SET_ERR_MSG(info, "key idx not 0-7");
b9454e83 1470 return -EINVAL;
768075eb 1471 }
b9454e83
JB		 1472 }
1473 }
1474
1475 return 0;
1476}
1477
fffd0934
JB		 1478static struct cfg80211_cached_keys *
1479nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
768075eb 1480 struct genl_info *info, bool *no_ht)
fffd0934 1481{
768075eb 1482 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
fffd0934
JB		 1483 struct key_parse parse;
1484 struct nlattr *key;
1485 struct cfg80211_cached_keys *result;
1486 int rem, err, def = 0;
f1c1f17a
JB		 1487 bool have_key = false;
1488
1489 nla_for_each_nested(key, keys, rem) {
1490 have_key = true;
1491 break;
1492 }
1493
1494 if (!have_key)
1495 return NULL;
fffd0934
JB		 1496
1497 result = kzalloc(sizeof(*result), GFP_KERNEL);
1498 if (!result)
1499 return ERR_PTR(-ENOMEM);
1500
1501 result->def = -1;
fffd0934
JB		 1502
1503 nla_for_each_nested(key, keys, rem) {
1504 memset(&parse, 0, sizeof(parse));
1505 parse.idx = -1;
1506
768075eb 1507 err = nl80211_parse_key_new(info, key, &parse);
fffd0934
JB		 1508 if (err)
1509 goto error;
1510 err = -EINVAL;
1511 if (!parse.p.key)
1512 goto error;
768075eb
JB		 1513 if (parse.idx < 0 || parse.idx > 3) {
1514 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
fffd0934 1515 goto error;
768075eb 1516 }
fffd0934 1517 if (parse.def) {
768075eb
JB		 1518 if (def) {
1519 GENL_SET_ERR_MSG(info,
1520 "only one key can be default");
fffd0934 1521 goto error;
768075eb 1522 }
fffd0934
JB		 1523 def = 1;
1524 result->def = parse.idx;
dbd2fd65
JB		 1525 if (!parse.def_uni || !parse.def_multi)
1526 goto error;
fffd0934
JB		 1527 } else if (parse.defmgmt)
1528 goto error;
1529 err = cfg80211_validate_key_settings(rdev, &parse.p,
e31b8213 1530 parse.idx, false, NULL);
fffd0934
JB		 1531 if (err)
1532 goto error;
386b1f27
JB		 1533 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1534 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
768075eb 1535 GENL_SET_ERR_MSG(info, "connect key must be WEP");
386b1f27
JB		 1536 err = -EINVAL;
1537 goto error;
1538 }
fffd0934
JB		 1539 result->params[parse.idx].cipher = parse.p.cipher;
1540 result->params[parse.idx].key_len = parse.p.key_len;
1541 result->params[parse.idx].key = result->data[parse.idx];
1542 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
de7044ee 1543
386b1f27
JB		 1544 /* must be WEP key if we got here */
1545 if (no_ht)
1546 *no_ht = true;
fffd0934
JB		 1547 }
1548
f1c1f17a
JB		 1549 if (result->def < 0) {
1550 err = -EINVAL;
768075eb 1551 GENL_SET_ERR_MSG(info, "need a default/TX key");
f1c1f17a
JB		 1552 goto error;
1553 }
1554
fffd0934
JB		 1555 return result;
1556 error:
1557 kfree(result);
1558 return ERR_PTR(err);
1559}
1560
1561static int nl80211_key_allowed(struct wireless_dev *wdev)
1562{
076fc877 1563 lockdep_assert_wiphy(wdev->wiphy);
fffd0934 1564
fffd0934
JB		 1565 switch (wdev->iftype) {
1566 case NL80211_IFTYPE_AP:
1567 case NL80211_IFTYPE_AP_VLAN:
074ac8df 1568 case NL80211_IFTYPE_P2P_GO:
ff973af7 1569 case NL80211_IFTYPE_MESH_POINT:
fffd0934
JB		 1570 break;
1571 case NL80211_IFTYPE_ADHOC:
7b0a0e3c
JB		 1572 if (wdev->u.ibss.current_bss)
1573 return 0;
1574 return -ENOLINK;
fffd0934 1575 case NL80211_IFTYPE_STATION:
074ac8df 1576 case NL80211_IFTYPE_P2P_CLIENT:
7b0a0e3c
JB		 1577 if (wdev->connected)
1578 return 0;
1579 return -ENOLINK;
9b89495e
VG		 1580 case NL80211_IFTYPE_NAN:
1581 if (wiphy_ext_feature_isset(wdev->wiphy,
1582 NL80211_EXT_FEATURE_SECURE_NAN))
1583 return 0;
1584 return -EINVAL;
de4fcbad 1585 case NL80211_IFTYPE_UNSPECIFIED:
6e0bd6c3 1586 case NL80211_IFTYPE_OCB:
de4fcbad
JB		 1587 case NL80211_IFTYPE_MONITOR:
1588 case NL80211_IFTYPE_P2P_DEVICE:
1589 case NL80211_IFTYPE_WDS:
1590 case NUM_NL80211_IFTYPES:
fffd0934
JB		 1591 return -EINVAL;
1592 }
1593
1594 return 0;
1595}
1596
664834de 1597static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
942ba88b 1598 u32 freq)
664834de
JM		 1599{
1600 struct ieee80211_channel *chan;
1601
942ba88b 1602 chan = ieee80211_get_channel_khz(wiphy, freq);
664834de
JM		 1603 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1604 return NULL;
1605 return chan;
1606}
1607
7527a782
JB		 1608static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1609{
ae0be8de 1610 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
7527a782
JB		 1611 int i;
1612
1613 if (!nl_modes)
1614 goto nla_put_failure;
1615
1616 i = 0;
1617 while (ifmodes) {
9360ffd1
DM		 1618 if ((ifmodes & 1) && nla_put_flag(msg, i))
1619 goto nla_put_failure;
7527a782
JB		 1620 ifmodes >>= 1;
1621 i++;
1622 }
1623
1624 nla_nest_end(msg, nl_modes);
1625 return 0;
1626
1627nla_put_failure:
1628 return -ENOBUFS;
1629}
1630
1631static int nl80211_put_iface_combinations(struct wiphy *wiphy,
cdc89b97
JB		 1632 struct sk_buff *msg,
1633 bool large)
7527a782
JB		 1634{
1635 struct nlattr *nl_combis;
1636 int i, j;
1637
ae0be8de
MK		 1638 nl_combis = nla_nest_start_noflag(msg,
1639 NL80211_ATTR_INTERFACE_COMBINATIONS);
7527a782
JB		 1640 if (!nl_combis)
1641 goto nla_put_failure;
1642
1643 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1644 const struct ieee80211_iface_combination *c;
1645 struct nlattr *nl_combi, *nl_limits;
1646
1647 c = &wiphy->iface_combinations[i];
1648
ae0be8de 1649 nl_combi = nla_nest_start_noflag(msg, i + 1);
7527a782
JB		 1650 if (!nl_combi)
1651 goto nla_put_failure;
1652
ae0be8de
MK		 1653 nl_limits = nla_nest_start_noflag(msg,
1654 NL80211_IFACE_COMB_LIMITS);
7527a782
JB		 1655 if (!nl_limits)
1656 goto nla_put_failure;
1657
1658 for (j = 0; j < c->n_limits; j++) {
1659 struct nlattr *nl_limit;
1660
ae0be8de 1661 nl_limit = nla_nest_start_noflag(msg, j + 1);
7527a782
JB		 1662 if (!nl_limit)
1663 goto nla_put_failure;
9360ffd1
DM		 1664 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1665 c->limits[j].max))
1666 goto nla_put_failure;
7527a782
JB		 1667 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1668 c->limits[j].types))
1669 goto nla_put_failure;
1670 nla_nest_end(msg, nl_limit);
1671 }
1672
1673 nla_nest_end(msg, nl_limits);
1674
9360ffd1
DM		 1675 if (c->beacon_int_infra_match &&
1676 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1677 goto nla_put_failure;
1678 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1679 c->num_different_channels) ||
1680 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1681 c->max_interfaces))
1682 goto nla_put_failure;
cdc89b97 1683 if (large &&
8c48b50a
FF		 1684 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1685 c->radar_detect_widths) ||
1686 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1687 c->radar_detect_regions)))
cdc89b97 1688 goto nla_put_failure;
0c317a02
PK		 1689 if (c->beacon_int_min_gcd &&
1690 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1691 c->beacon_int_min_gcd))
1692 goto nla_put_failure;
7527a782
JB		 1693
1694 nla_nest_end(msg, nl_combi);
1695 }
1696
1697 nla_nest_end(msg, nl_combis);
1698
1699 return 0;
1700nla_put_failure:
1701 return -ENOBUFS;
1702}
1703
3713b4e3 1704#ifdef CONFIG_PM
b56cf720
JB		 1705static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1706 struct sk_buff *msg)
1707{
964dc9e2 1708 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
b56cf720
JB		 1709 struct nlattr *nl_tcp;
1710
1711 if (!tcp)
1712 return 0;
1713
ae0be8de
MK		 1714 nl_tcp = nla_nest_start_noflag(msg,
1715 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
b56cf720
JB		 1716 if (!nl_tcp)
1717 return -ENOBUFS;
1718
1719 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1720 tcp->data_payload_max))
1721 return -ENOBUFS;
1722
1723 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1724 tcp->data_payload_max))
1725 return -ENOBUFS;
1726
1727 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1728 return -ENOBUFS;
1729
1730 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1731 sizeof(*tcp->tok), tcp->tok))
1732 return -ENOBUFS;
1733
1734 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1735 tcp->data_interval_max))
1736 return -ENOBUFS;
1737
1738 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1739 tcp->wake_payload_max))
1740 return -ENOBUFS;
1741
1742 nla_nest_end(msg, nl_tcp);
1743 return 0;
1744}
1745
3713b4e3 1746static int nl80211_send_wowlan(struct sk_buff *msg,
1b8ec87a 1747 struct cfg80211_registered_device *rdev,
b56cf720 1748 bool large)
55682965 1749{
3713b4e3 1750 struct nlattr *nl_wowlan;
55682965 1751
1b8ec87a 1752 if (!rdev->wiphy.wowlan)
3713b4e3 1753 return 0;
55682965 1754
ae0be8de
MK		 1755 nl_wowlan = nla_nest_start_noflag(msg,
1756 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
3713b4e3
JB		 1757 if (!nl_wowlan)
1758 return -ENOBUFS;
9360ffd1 1759
1b8ec87a 1760 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
3713b4e3 1761 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1b8ec87a 1762 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
3713b4e3 1763 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1b8ec87a 1764 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
3713b4e3 1765 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1b8ec87a 1766 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
3713b4e3 1767 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1b8ec87a 1768 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
3713b4e3 1769 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1b8ec87a 1770 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
3713b4e3 1771 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1b8ec87a 1772 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
3713b4e3 1773 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1b8ec87a 1774 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
3713b4e3
JB		 1775 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1776 return -ENOBUFS;
9360ffd1 1777
1b8ec87a 1778 if (rdev->wiphy.wowlan->n_patterns) {
50ac6607 1779 struct nl80211_pattern_support pat = {
1b8ec87a
ZG		 1780 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1781 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1782 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1783 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
3713b4e3 1784 };
9360ffd1 1785
3713b4e3
JB		 1786 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1787 sizeof(pat), &pat))
1788 return -ENOBUFS;
1789 }
9360ffd1 1790
75453ccb
LC		 1791 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1792 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1793 rdev->wiphy.wowlan->max_nd_match_sets))
1794 return -ENOBUFS;
1795
1b8ec87a 1796 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
b56cf720
JB		 1797 return -ENOBUFS;
1798
3713b4e3 1799 nla_nest_end(msg, nl_wowlan);
9360ffd1 1800
3713b4e3
JB		 1801 return 0;
1802}
1803#endif
9360ffd1 1804
be29b99a 1805static int nl80211_send_coalesce(struct sk_buff *msg,
1b8ec87a 1806 struct cfg80211_registered_device *rdev)
be29b99a
AK		 1807{
1808 struct nl80211_coalesce_rule_support rule;
1809
1b8ec87a 1810 if (!rdev->wiphy.coalesce)
be29b99a
AK		 1811 return 0;
1812
1b8ec87a
ZG		 1813 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1814 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1815 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1816 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1817 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1818 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
be29b99a
AK		 1819
1820 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1821 return -ENOBUFS;
1822
1823 return 0;
1824}
1825
c4cbaf79
LC		 1826static int
1827nl80211_send_iftype_data(struct sk_buff *msg,
22395217 1828 const struct ieee80211_supported_band *sband,
c4cbaf79
LC		 1829 const struct ieee80211_sband_iftype_data *iftdata)
1830{
1831 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
5cd5a8a3 1832 const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
c4cbaf79
LC		 1833
1834 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1835 iftdata->types_mask))
1836 return -ENOBUFS;
1837
1838 if (he_cap->has_he) {
1839 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1840 sizeof(he_cap->he_cap_elem.mac_cap_info),
1841 he_cap->he_cap_elem.mac_cap_info) ||
1842 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1843 sizeof(he_cap->he_cap_elem.phy_cap_info),
1844 he_cap->he_cap_elem.phy_cap_info) ||
1845 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1846 sizeof(he_cap->he_mcs_nss_supp),
1847 &he_cap->he_mcs_nss_supp) ||
1848 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1849 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1850 return -ENOBUFS;
1851 }
1852
5cd5a8a3
IP		 1853 if (eht_cap->has_eht && he_cap->has_he) {
1854 u8 mcs_nss_size, ppe_thresh_size;
1855 u16 ppe_thres_hdr;
ea5cba26
JB		 1856 bool is_ap;
1857
1858 is_ap = iftdata->types_mask & BIT(NL80211_IFTYPE_AP) ||
1859 iftdata->types_mask & BIT(NL80211_IFTYPE_P2P_GO);
5cd5a8a3
IP		 1860
1861 mcs_nss_size =
1862 ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
ea5cba26
JB		 1863 &eht_cap->eht_cap_elem,
1864 is_ap);
5cd5a8a3
IP		 1865
1866 ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
1867 ppe_thresh_size =
1868 ieee80211_eht_ppe_size(ppe_thres_hdr,
1869 eht_cap->eht_cap_elem.phy_cap_info);
1870
1871 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
1872 sizeof(eht_cap->eht_cap_elem.mac_cap_info),
1873 eht_cap->eht_cap_elem.mac_cap_info) ||
1874 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
1875 sizeof(eht_cap->eht_cap_elem.phy_cap_info),
1876 eht_cap->eht_cap_elem.phy_cap_info) ||
1877 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
1878 mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
1879 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
1880 ppe_thresh_size, eht_cap->eht_ppe_thres))
1881 return -ENOBUFS;
1882 }
1883
22395217
JB		 1884 if (sband->band == NL80211_BAND_6GHZ &&
1885 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1886 sizeof(iftdata->he_6ghz_capa),
1887 &iftdata->he_6ghz_capa))
1888 return -ENOBUFS;
1889
f4f86505
JB		 1890 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1891 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1892 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1893 return -ENOBUFS;
1894
c4cbaf79
LC		 1895 return 0;
1896}
1897
3713b4e3 1898static int nl80211_send_band_rateinfo(struct sk_buff *msg,
f8d504ca
JB		 1899 struct ieee80211_supported_band *sband,
1900 bool large)
3713b4e3
JB		 1901{
1902 struct nlattr *nl_rates, *nl_rate;
1903 struct ieee80211_rate *rate;
1904 int i;
87bbbe22 1905
3713b4e3
JB		 1906 /* add HT info */
1907 if (sband->ht_cap.ht_supported &&
1908 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1909 sizeof(sband->ht_cap.mcs),
1910 &sband->ht_cap.mcs) ||
1911 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1912 sband->ht_cap.cap) ||
1913 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1914 sband->ht_cap.ampdu_factor) ||
1915 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1916 sband->ht_cap.ampdu_density)))
1917 return -ENOBUFS;
afe0cbf8 1918
3713b4e3
JB		 1919 /* add VHT info */
1920 if (sband->vht_cap.vht_supported &&
1921 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1922 sizeof(sband->vht_cap.vht_mcs),
1923 &sband->vht_cap.vht_mcs) ||
1924 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1925 sband->vht_cap.cap)))
1926 return -ENOBUFS;
f59ac048 1927
f8d504ca 1928 if (large && sband->n_iftype_data) {
c4cbaf79 1929 struct nlattr *nl_iftype_data =
ae0be8de
MK		 1930 nla_nest_start_noflag(msg,
1931 NL80211_BAND_ATTR_IFTYPE_DATA);
e8c18412 1932 const struct ieee80211_sband_iftype_data *iftd;
c4cbaf79
LC		 1933 int err;
1934
1935 if (!nl_iftype_data)
1936 return -ENOBUFS;
1937
e8c18412 1938 for_each_sband_iftype_data(sband, i, iftd) {
c4cbaf79
LC		 1939 struct nlattr *iftdata;
1940
ae0be8de 1941 iftdata = nla_nest_start_noflag(msg, i + 1);
c4cbaf79
LC		 1942 if (!iftdata)
1943 return -ENOBUFS;
1944
e8c18412 1945 err = nl80211_send_iftype_data(msg, sband, iftd);
c4cbaf79
LC		 1946 if (err)
1947 return err;
1948
1949 nla_nest_end(msg, iftdata);
1950 }
1951
1952 nla_nest_end(msg, nl_iftype_data);
1953 }
1954
2a38075c 1955 /* add EDMG info */
f8d504ca 1956 if (large && sband->edmg_cap.channels &&
2a38075c
AAL		 1957 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1958 sband->edmg_cap.channels) ||
1959 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1960 sband->edmg_cap.bw_config)))
1961
1962 return -ENOBUFS;
1963
3713b4e3 1964 /* add bitrates */
ae0be8de 1965 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
3713b4e3
JB		 1966 if (!nl_rates)
1967 return -ENOBUFS;
ee688b00 1968
3713b4e3 1969 for (i = 0; i < sband->n_bitrates; i++) {
ae0be8de 1970 nl_rate = nla_nest_start_noflag(msg, i);
3713b4e3
JB		 1971 if (!nl_rate)
1972 return -ENOBUFS;
ee688b00 1973
3713b4e3
JB		 1974 rate = &sband->bitrates[i];
1975 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1976 rate->bitrate))
1977 return -ENOBUFS;
1978 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1979 nla_put_flag(msg,
1980 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1981 return -ENOBUFS;
ee688b00 1982
3713b4e3
JB		 1983 nla_nest_end(msg, nl_rate);
1984 }
d51626df 1985
3713b4e3 1986 nla_nest_end(msg, nl_rates);
bf0c111e 1987
9a8aac92
KF		 1988 /* S1G capabilities */
1989 if (sband->band == NL80211_BAND_S1GHZ && sband->s1g_cap.s1g &&
1990 (nla_put(msg, NL80211_BAND_ATTR_S1G_CAPA,
1991 sizeof(sband->s1g_cap.cap),
1992 sband->s1g_cap.cap) ||
1993 nla_put(msg, NL80211_BAND_ATTR_S1G_MCS_NSS_SET,
1994 sizeof(sband->s1g_cap.nss_mcs),
1995 sband->s1g_cap.nss_mcs)))
1996 return -ENOBUFS;
1997
3713b4e3
JB		 1998 return 0;
1999}
ee688b00 2000
3713b4e3
JB		 2001static int
2002nl80211_send_mgmt_stypes(struct sk_buff *msg,
2003 const struct ieee80211_txrx_stypes *mgmt_stypes)
2004{
2005 u16 stypes;
2006 struct nlattr *nl_ftypes, *nl_ifs;
2007 enum nl80211_iftype ift;
2008 int i;
ee688b00 2009
3713b4e3
JB		 2010 if (!mgmt_stypes)
2011 return 0;
5dab3b8a 2012
ae0be8de 2013 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
3713b4e3
JB		 2014 if (!nl_ifs)
2015 return -ENOBUFS;
e2f367f2 2016
3713b4e3 2017 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 2018 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 2019 if (!nl_ftypes)
2020 return -ENOBUFS;
2021 i = 0;
2022 stypes = mgmt_stypes[ift].tx;
2023 while (stypes) {
2024 if ((stypes & 1) &&
2025 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2026 (i << 4) | IEEE80211_FTYPE_MGMT))
2027 return -ENOBUFS;
2028 stypes >>= 1;
2029 i++;
ee688b00 2030 }
3713b4e3
JB		 2031 nla_nest_end(msg, nl_ftypes);
2032 }
ee688b00 2033
3713b4e3 2034 nla_nest_end(msg, nl_ifs);
ee688b00 2035
ae0be8de 2036 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
3713b4e3
JB		 2037 if (!nl_ifs)
2038 return -ENOBUFS;
ee688b00 2039
3713b4e3 2040 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 2041 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 2042 if (!nl_ftypes)
2043 return -ENOBUFS;
2044 i = 0;
2045 stypes = mgmt_stypes[ift].rx;
2046 while (stypes) {
2047 if ((stypes & 1) &&
2048 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2049 (i << 4) | IEEE80211_FTYPE_MGMT))
2050 return -ENOBUFS;
2051 stypes >>= 1;
2052 i++;
2053 }
2054 nla_nest_end(msg, nl_ftypes);
2055 }
2056 nla_nest_end(msg, nl_ifs);
ee688b00 2057
3713b4e3
JB		 2058 return 0;
2059}
ee688b00 2060
1794899e
JB		 2061#define CMD(op, n) \
2062 do { \
2063 if (rdev->ops->op) { \
2064 i++; \
2065 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
2066 goto nla_put_failure; \
2067 } \
2068 } while (0)
2069
2070static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
2071 struct sk_buff *msg)
2072{
2073 int i = 0;
2074
2075 /*
2076 * do *NOT* add anything into this function, new things need to be
2077 * advertised only to new versions of userspace that can deal with
2078 * the split (and they can't possibly care about new features...
2079 */
2080 CMD(add_virtual_intf, NEW_INTERFACE);
2081 CMD(change_virtual_intf, SET_INTERFACE);
2082 CMD(add_key, NEW_KEY);
2083 CMD(start_ap, START_AP);
2084 CMD(add_station, NEW_STATION);
2085 CMD(add_mpath, NEW_MPATH);
2086 CMD(update_mesh_config, SET_MESH_CONFIG);
2087 CMD(change_bss, SET_BSS);
2088 CMD(auth, AUTHENTICATE);
2089 CMD(assoc, ASSOCIATE);
2090 CMD(deauth, DEAUTHENTICATE);
2091 CMD(disassoc, DISASSOCIATE);
2092 CMD(join_ibss, JOIN_IBSS);
2093 CMD(join_mesh, JOIN_MESH);
2094 CMD(set_pmksa, SET_PMKSA);
2095 CMD(del_pmksa, DEL_PMKSA);
2096 CMD(flush_pmksa, FLUSH_PMKSA);
2097 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
2098 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
2099 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
2100 CMD(mgmt_tx, FRAME);
2101 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
2102 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
2103 i++;
2104 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2105 goto nla_put_failure;
2106 }
2107 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
2108 rdev->ops->join_mesh) {
2109 i++;
2110 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
2111 goto nla_put_failure;
2112 }
1794899e
JB		 2113 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
2114 CMD(tdls_mgmt, TDLS_MGMT);
2115 CMD(tdls_oper, TDLS_OPER);
2116 }
ca986ad9 2117 if (rdev->wiphy.max_sched_scan_reqs)
1794899e
JB		 2118 CMD(sched_scan_start, START_SCHED_SCAN);
2119 CMD(probe_client, PROBE_CLIENT);
2120 CMD(set_noack_map, SET_NOACK_MAP);
2121 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
2122 i++;
2123 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
2124 goto nla_put_failure;
2125 }
2126 CMD(start_p2p_device, START_P2P_DEVICE);
2127 CMD(set_mcast_rate, SET_MCAST_RATE);
2128#ifdef CONFIG_NL80211_TESTMODE
2129 CMD(testmode_cmd, TESTMODE);
2130#endif
2131
2132 if (rdev->ops->connect || rdev->ops->auth) {
2133 i++;
2134 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
2135 goto nla_put_failure;
2136 }
2137
2138 if (rdev->ops->disconnect || rdev->ops->deauth) {
2139 i++;
2140 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
2141 goto nla_put_failure;
2142 }
2143
2144 return i;
2145 nla_put_failure:
2146 return -ENOBUFS;
2147}
2148
9bb7e0f2
JB		 2149static int
2150nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
2151 struct sk_buff *msg)
2152{
2153 struct nlattr *ftm;
2154
2155 if (!cap->ftm.supported)
2156 return 0;
2157
ae0be8de 2158 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
9bb7e0f2
JB		 2159 if (!ftm)
2160 return -ENOBUFS;
2161
2162 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2163 return -ENOBUFS;
2164 if (cap->ftm.non_asap &&
2165 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2166 return -ENOBUFS;
2167 if (cap->ftm.request_lci &&
2168 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2169 return -ENOBUFS;
2170 if (cap->ftm.request_civicloc &&
2171 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2172 return -ENOBUFS;
2173 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2174 cap->ftm.preambles))
2175 return -ENOBUFS;
2176 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2177 cap->ftm.bandwidths))
2178 return -ENOBUFS;
2179 if (cap->ftm.max_bursts_exponent >= 0 &&
2180 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2181 cap->ftm.max_bursts_exponent))
2182 return -ENOBUFS;
2183 if (cap->ftm.max_ftms_per_burst &&
2184 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2185 cap->ftm.max_ftms_per_burst))
2186 return -ENOBUFS;
efb5520d
AS		 2187 if (cap->ftm.trigger_based &&
2188 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2189 return -ENOBUFS;
2190 if (cap->ftm.non_trigger_based &&
2191 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2192 return -ENOBUFS;
9bb7e0f2
JB		 2193
2194 nla_nest_end(msg, ftm);
2195 return 0;
2196}
2197
2198static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2199 struct sk_buff *msg)
2200{
2201 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2202 struct nlattr *pmsr, *caps;
2203
2204 if (!cap)
2205 return 0;
2206
2207 /*
2208 * we don't need to clean up anything here since the caller
2209 * will genlmsg_cancel() if we fail
2210 */
2211
ae0be8de 2212 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
9bb7e0f2
JB		 2213 if (!pmsr)
2214 return -ENOBUFS;
2215
2216 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2217 return -ENOBUFS;
2218
2219 if (cap->report_ap_tsf &&
2220 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2221 return -ENOBUFS;
2222
2223 if (cap->randomize_mac_addr &&
2224 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2225 return -ENOBUFS;
2226
ae0be8de 2227 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
9bb7e0f2
JB		 2228 if (!caps)
2229 return -ENOBUFS;
2230
2231 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2232 return -ENOBUFS;
2233
2234 nla_nest_end(msg, caps);
2235 nla_nest_end(msg, pmsr);
2236
2237 return 0;
2238}
2239
d6039a34
VJ		 2240static int
2241nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2242 struct sk_buff *msg)
2243{
2244 int i;
2245 struct nlattr *nested, *nested_akms;
2246 const struct wiphy_iftype_akm_suites *iftype_akms;
2247
2248 if (!rdev->wiphy.num_iftype_akm_suites ||
2249 !rdev->wiphy.iftype_akm_suites)
2250 return 0;
2251
2252 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2253 if (!nested)
2254 return -ENOBUFS;
2255
2256 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2257 nested_akms = nla_nest_start(msg, i + 1);
2258 if (!nested_akms)
2259 return -ENOBUFS;
2260
2261 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2262
2263 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2264 iftype_akms->iftypes_mask))
2265 return -ENOBUFS;
2266
2267 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2268 sizeof(u32) * iftype_akms->n_akm_suites,
2269 iftype_akms->akm_suites)) {
2270 return -ENOBUFS;
2271 }
2272 nla_nest_end(msg, nested_akms);
2273 }
2274
2275 nla_nest_end(msg, nested);
2276
2277 return 0;
2278}
2279
3710a8a6
JB		 2280static int
2281nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2282 struct sk_buff *msg)
2283{
2284 struct nlattr *supp;
2285
2286 if (!rdev->wiphy.tid_config_support.vif &&
2287 !rdev->wiphy.tid_config_support.peer)
2288 return 0;
2289
2290 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2291 if (!supp)
2292 return -ENOSPC;
2293
2294 if (rdev->wiphy.tid_config_support.vif &&
2295 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2296 rdev->wiphy.tid_config_support.vif,
2297 NL80211_TID_CONFIG_ATTR_PAD))
2298 goto fail;
2299
2300 if (rdev->wiphy.tid_config_support.peer &&
2301 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2302 rdev->wiphy.tid_config_support.peer,
2303 NL80211_TID_CONFIG_ATTR_PAD))
2304 goto fail;
2305
6a21d16c
T		 2306 /* for now we just use the same value ... makes more sense */
2307 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2308 rdev->wiphy.tid_config_support.max_retry))
2309 goto fail;
2310 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2311 rdev->wiphy.tid_config_support.max_retry))
2312 goto fail;
2313
3710a8a6
JB		 2314 nla_nest_end(msg, supp);
2315
2316 return 0;
2317fail:
2318 nla_nest_cancel(msg, supp);
2319 return -ENOBUFS;
2320}
2321
6bdb68ce
CH		 2322static int
2323nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2324 struct sk_buff *msg)
2325{
2326 struct nlattr *sar_capa, *specs, *sub_freq_range;
2327 u8 num_freq_ranges;
2328 int i;
2329
2330 if (!rdev->wiphy.sar_capa)
2331 return 0;
2332
2333 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2334
2335 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2336 if (!sar_capa)
2337 return -ENOSPC;
2338
2339 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2340 goto fail;
2341
2342 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2343 if (!specs)
2344 goto fail;
2345
2346 /* report supported freq_ranges */
2347 for (i = 0; i < num_freq_ranges; i++) {
2348 sub_freq_range = nla_nest_start(msg, i + 1);
2349 if (!sub_freq_range)
2350 goto fail;
2351
2352 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2353 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2354 goto fail;
2355
2356 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2357 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2358 goto fail;
2359
2360 nla_nest_end(msg, sub_freq_range);
2361 }
2362
2363 nla_nest_end(msg, specs);
2364 nla_nest_end(msg, sar_capa);
2365
2366 return 0;
2367fail:
2368 nla_nest_cancel(msg, sar_capa);
2369 return -ENOBUFS;
2370}
2371
dc1e3cb8
JC		 2372static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
2373{
2374 struct nlattr *config;
2375
2376 if (!wiphy->mbssid_max_interfaces)
2377 return 0;
2378
2379 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
2380 if (!config)
2381 return -ENOBUFS;
2382
2383 if (nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES,
2384 wiphy->mbssid_max_interfaces))
2385 goto fail;
2386
2387 if (wiphy->ema_max_profile_periodicity &&
2388 nla_put_u8(msg,
2389 NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY,
2390 wiphy->ema_max_profile_periodicity))
2391 goto fail;
2392
2393 nla_nest_end(msg, config);
2394 return 0;
2395
2396fail:
2397 nla_nest_cancel(msg, config);
2398 return -ENOBUFS;
2399}
2400
86e8cf98
JB		 2401struct nl80211_dump_wiphy_state {
2402 s64 filter_wiphy;
2403 long start;
019ae3a9 2404 long split_start, band_start, chan_start, capa_start;
86e8cf98
JB		 2405 bool split;
2406};
2407
1b8ec87a 2408static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
3bb20556 2409 enum nl80211_commands cmd,
3713b4e3 2410 struct sk_buff *msg, u32 portid, u32 seq,
86e8cf98 2411 int flags, struct nl80211_dump_wiphy_state *state)
3713b4e3
JB		 2412{
2413 void *hdr;
2414 struct nlattr *nl_bands, *nl_band;
2415 struct nlattr *nl_freqs, *nl_freq;
2416 struct nlattr *nl_cmds;
57fbcce3 2417 enum nl80211_band band;
3713b4e3
JB		 2418 struct ieee80211_channel *chan;
2419 int i;
2420 const struct ieee80211_txrx_stypes *mgmt_stypes =
1b8ec87a 2421 rdev->wiphy.mgmt_stypes;
fe1abafd 2422 u32 features;
ee688b00 2423
3bb20556 2424 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3713b4e3
JB		 2425 if (!hdr)
2426 return -ENOBUFS;
ee688b00 2427
86e8cf98
JB		 2428 if (WARN_ON(!state))
2429 return -EINVAL;
ee688b00 2430
1b8ec87a 2431 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3713b4e3 2432 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1b8ec87a 2433 wiphy_name(&rdev->wiphy)) ||
3713b4e3
JB		 2434 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2435 cfg80211_rdev_list_generation))
8fdc621d
JB		 2436 goto nla_put_failure;
2437
3bb20556
JB		 2438 if (cmd != NL80211_CMD_NEW_WIPHY)
2439 goto finish;
2440
86e8cf98 2441 switch (state->split_start) {
3713b4e3
JB		 2442 case 0:
2443 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1b8ec87a 2444 rdev->wiphy.retry_short) ||
3713b4e3 2445 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1b8ec87a 2446 rdev->wiphy.retry_long) ||
3713b4e3 2447 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1b8ec87a 2448 rdev->wiphy.frag_threshold) ||
3713b4e3 2449 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1b8ec87a 2450 rdev->wiphy.rts_threshold) ||
3713b4e3 2451 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1b8ec87a 2452 rdev->wiphy.coverage_class) ||
3713b4e3 2453 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1b8ec87a 2454 rdev->wiphy.max_scan_ssids) ||
3713b4e3 2455 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1b8ec87a 2456 rdev->wiphy.max_sched_scan_ssids) ||
3713b4e3 2457 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1b8ec87a 2458 rdev->wiphy.max_scan_ie_len) ||
3713b4e3 2459 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1b8ec87a 2460 rdev->wiphy.max_sched_scan_ie_len) ||
3713b4e3 2461 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
f8d504ca 2462 rdev->wiphy.max_match_sets))
9360ffd1 2463 goto nla_put_failure;
3713b4e3 2464
1b8ec87a 2465 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
3713b4e3 2466 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
aa430da4 2467 goto nla_put_failure;
1b8ec87a 2468 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
3713b4e3
JB		 2469 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2470 goto nla_put_failure;
1b8ec87a 2471 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3713b4e3
JB		 2472 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2473 goto nla_put_failure;
1b8ec87a 2474 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
3713b4e3
JB		 2475 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2476 goto nla_put_failure;
1b8ec87a 2477 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
3713b4e3
JB		 2478 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2479 goto nla_put_failure;
1b8ec87a 2480 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
3713b4e3 2481 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
9360ffd1 2482 goto nla_put_failure;
86e8cf98
JB		 2483 state->split_start++;
2484 if (state->split)
3713b4e3 2485 break;
7b506ff6 2486 fallthrough;
3713b4e3
JB		 2487 case 1:
2488 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1b8ec87a
ZG		 2489 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2490 rdev->wiphy.cipher_suites))
3713b4e3 2491 goto nla_put_failure;
4745fc09 2492
3713b4e3 2493 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1b8ec87a 2494 rdev->wiphy.max_num_pmkids))
3713b4e3 2495 goto nla_put_failure;
b23aa676 2496
1b8ec87a 2497 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
3713b4e3 2498 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
9360ffd1 2499 goto nla_put_failure;
b23aa676 2500
3713b4e3 2501 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1b8ec87a 2502 rdev->wiphy.available_antennas_tx) ||
3713b4e3 2503 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1b8ec87a 2504 rdev->wiphy.available_antennas_rx))
9360ffd1 2505 goto nla_put_failure;
b23aa676 2506
1b8ec87a 2507 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
3713b4e3 2508 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1b8ec87a 2509 rdev->wiphy.probe_resp_offload))
3713b4e3 2510 goto nla_put_failure;
8fdc621d 2511
1b8ec87a
ZG		 2512 if ((rdev->wiphy.available_antennas_tx ||
2513 rdev->wiphy.available_antennas_rx) &&
2514 rdev->ops->get_antenna) {
3713b4e3
JB		 2515 u32 tx_ant = 0, rx_ant = 0;
2516 int res;
7a087e74 2517
1b8ec87a 2518 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
3713b4e3
JB		 2519 if (!res) {
2520 if (nla_put_u32(msg,
2521 NL80211_ATTR_WIPHY_ANTENNA_TX,
2522 tx_ant) ||
2523 nla_put_u32(msg,
2524 NL80211_ATTR_WIPHY_ANTENNA_RX,
2525 rx_ant))
2526 goto nla_put_failure;
2527 }
2528 }
a293911d 2529
86e8cf98
JB		 2530 state->split_start++;
2531 if (state->split)
3713b4e3 2532 break;
7b506ff6 2533 fallthrough;
3713b4e3
JB		 2534 case 2:
2535 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1b8ec87a 2536 rdev->wiphy.interface_modes))
3713b4e3 2537 goto nla_put_failure;
86e8cf98
JB		 2538 state->split_start++;
2539 if (state->split)
3713b4e3 2540 break;
7b506ff6 2541 fallthrough;
3713b4e3 2542 case 3:
ae0be8de
MK		 2543 nl_bands = nla_nest_start_noflag(msg,
2544 NL80211_ATTR_WIPHY_BANDS);
3713b4e3
JB		 2545 if (!nl_bands)
2546 goto nla_put_failure;
f7ca38df 2547
86e8cf98 2548 for (band = state->band_start;
0d059964
JB		 2549 band < (state->split ?
2550 NUM_NL80211_BANDS :
2551 NL80211_BAND_60GHZ + 1);
2552 band++) {
3713b4e3 2553 struct ieee80211_supported_band *sband;
2e161f78 2554
f8d504ca
JB		 2555 /* omit higher bands for ancient software */
2556 if (band > NL80211_BAND_5GHZ && !state->split)
2557 break;
2558
1b8ec87a 2559 sband = rdev->wiphy.bands[band];
2e161f78 2560
3713b4e3
JB		 2561 if (!sband)
2562 continue;
2563
ae0be8de 2564 nl_band = nla_nest_start_noflag(msg, band);
3713b4e3 2565 if (!nl_band)
2e161f78 2566 goto nla_put_failure;
3713b4e3 2567
86e8cf98 2568 switch (state->chan_start) {
3713b4e3 2569 case 0:
f8d504ca
JB		 2570 if (nl80211_send_band_rateinfo(msg, sband,
2571 state->split))
9360ffd1 2572 goto nla_put_failure;
86e8cf98
JB		 2573 state->chan_start++;
2574 if (state->split)
3713b4e3 2575 break;
7b506ff6 2576 fallthrough;
3713b4e3
JB		 2577 default:
2578 /* add frequencies */
ae0be8de
MK		 2579 nl_freqs = nla_nest_start_noflag(msg,
2580 NL80211_BAND_ATTR_FREQS);
3713b4e3
JB		 2581 if (!nl_freqs)
2582 goto nla_put_failure;
2583
86e8cf98 2584 for (i = state->chan_start - 1;
3713b4e3
JB		 2585 i < sband->n_channels;
2586 i++) {
ae0be8de
MK		 2587 nl_freq = nla_nest_start_noflag(msg,
2588 i);
3713b4e3
JB		 2589 if (!nl_freq)
2590 goto nla_put_failure;
2591
2592 chan = &sband->channels[i];
2593
86e8cf98 2594 if (nl80211_msg_put_channel(
50f32718 2595 msg, &rdev->wiphy, chan,
86e8cf98 2596 state->split))
3713b4e3
JB		 2597 goto nla_put_failure;
2598
2599 nla_nest_end(msg, nl_freq);
86e8cf98 2600 if (state->split)
3713b4e3
JB		 2601 break;
2602 }
2603 if (i < sband->n_channels)
86e8cf98 2604 state->chan_start = i + 2;
3713b4e3 2605 else
86e8cf98 2606 state->chan_start = 0;
3713b4e3
JB		 2607 nla_nest_end(msg, nl_freqs);
2608 }
2609
2610 nla_nest_end(msg, nl_band);
2611
86e8cf98 2612 if (state->split) {
3713b4e3 2613 /* start again here */
86e8cf98 2614 if (state->chan_start)
3713b4e3
JB		 2615 band--;
2616 break;
2e161f78 2617 }
2e161f78 2618 }
3713b4e3 2619 nla_nest_end(msg, nl_bands);
2e161f78 2620
57fbcce3 2621 if (band < NUM_NL80211_BANDS)
86e8cf98 2622 state->band_start = band + 1;
3713b4e3 2623 else
86e8cf98 2624 state->band_start = 0;
74b70a4e 2625
3713b4e3 2626 /* if bands & channels are done, continue outside */
86e8cf98
JB		 2627 if (state->band_start == 0 && state->chan_start == 0)
2628 state->split_start++;
2629 if (state->split)
3713b4e3 2630 break;
7b506ff6 2631 fallthrough;
3713b4e3 2632 case 4:
ae0be8de
MK		 2633 nl_cmds = nla_nest_start_noflag(msg,
2634 NL80211_ATTR_SUPPORTED_COMMANDS);
3713b4e3 2635 if (!nl_cmds)
2e161f78
JB		 2636 goto nla_put_failure;
2637
1794899e
JB		 2638 i = nl80211_add_commands_unsplit(rdev, msg);
2639 if (i < 0)
2640 goto nla_put_failure;
86e8cf98 2641 if (state->split) {
5de17984
AS		 2642 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2643 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1b8ec87a 2644 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
16ef1fe2 2645 CMD(channel_switch, CHANNEL_SWITCH);
02df00eb 2646 CMD(set_qos_map, SET_QOS_MAP);
723e73ac
JB		 2647 if (rdev->wiphy.features &
2648 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
960d01ac 2649 CMD(add_tx_ts, ADD_TX_TS);
ce0ce13a 2650 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
088e8df8 2651 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
7010998c 2652 CMD(update_ft_ies, UPDATE_FT_IES);
6bdb68ce
CH		 2653 if (rdev->wiphy.sar_capa)
2654 CMD(set_sar_specs, SET_SAR_SPECS);
5de17984 2655 }
3713b4e3 2656#undef CMD
ff1b6e69 2657
3713b4e3 2658 nla_nest_end(msg, nl_cmds);
86e8cf98
JB		 2659 state->split_start++;
2660 if (state->split)
3713b4e3 2661 break;
7b506ff6 2662 fallthrough;
3713b4e3 2663 case 5:
1b8ec87a
ZG		 2664 if (rdev->ops->remain_on_channel &&
2665 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
3713b4e3
JB		 2666 nla_put_u32(msg,
2667 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1b8ec87a 2668 rdev->wiphy.max_remain_on_channel_duration))
3713b4e3
JB		 2669 goto nla_put_failure;
2670
1b8ec87a 2671 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
3713b4e3
JB		 2672 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2673 goto nla_put_failure;
2674
86e8cf98
JB		 2675 state->split_start++;
2676 if (state->split)
3713b4e3 2677 break;
7b506ff6 2678 fallthrough;
3713b4e3
JB		 2679 case 6:
2680#ifdef CONFIG_PM
1b8ec87a 2681 if (nl80211_send_wowlan(msg, rdev, state->split))
3713b4e3 2682 goto nla_put_failure;
86e8cf98
JB		 2683 state->split_start++;
2684 if (state->split)
3713b4e3
JB		 2685 break;
2686#else
86e8cf98 2687 state->split_start++;
dfb89c56 2688#endif
7b506ff6 2689 fallthrough;
3713b4e3
JB		 2690 case 7:
2691 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1b8ec87a 2692 rdev->wiphy.software_iftypes))
3713b4e3 2693 goto nla_put_failure;
ff1b6e69 2694
1b8ec87a 2695 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
86e8cf98 2696 state->split))
3713b4e3 2697 goto nla_put_failure;
7527a782 2698
86e8cf98
JB		 2699 state->split_start++;
2700 if (state->split)
3713b4e3 2701 break;
7b506ff6 2702 fallthrough;
3713b4e3 2703 case 8:
1b8ec87a 2704 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
3713b4e3 2705 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1b8ec87a 2706 rdev->wiphy.ap_sme_capa))
3713b4e3 2707 goto nla_put_failure;
7527a782 2708
1b8ec87a 2709 features = rdev->wiphy.features;
fe1abafd
JB		 2710 /*
2711 * We can only add the per-channel limit information if the
2712 * dump is split, otherwise it makes it too big. Therefore
2713 * only advertise it in that case.
2714 */
86e8cf98 2715 if (state->split)
fe1abafd
JB		 2716 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2717 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
3713b4e3 2718 goto nla_put_failure;
562a7480 2719
1b8ec87a 2720 if (rdev->wiphy.ht_capa_mod_mask &&
3713b4e3 2721 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1b8ec87a
ZG		 2722 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2723 rdev->wiphy.ht_capa_mod_mask))
3713b4e3 2724 goto nla_put_failure;
1f074bd8 2725
1b8ec87a
ZG		 2726 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2727 rdev->wiphy.max_acl_mac_addrs &&
3713b4e3 2728 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1b8ec87a 2729 rdev->wiphy.max_acl_mac_addrs))
3713b4e3 2730 goto nla_put_failure;
7e7c8926 2731
3713b4e3
JB		 2732 /*
2733 * Any information below this point is only available to
2734 * applications that can deal with it being split. This
2735 * helps ensure that newly added capabilities don't break
2736 * older tools by overrunning their buffers.
2737 *
2738 * We still increment split_start so that in the split
2739 * case we'll continue with more data in the next round,
2740 * but break unconditionally so unsplit data stops here.
2741 */
ab10c22b
JB		 2742 if (state->split)
2743 state->split_start++;
2744 else
2745 state->split_start = 0;
3713b4e3
JB		 2746 break;
2747 case 9:
f8d504ca
JB		 2748 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2749 goto nla_put_failure;
2750
2751 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2752 rdev->wiphy.max_sched_scan_plans) ||
2753 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2754 rdev->wiphy.max_sched_scan_plan_interval) ||
2755 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2756 rdev->wiphy.max_sched_scan_plan_iterations))
2757 goto nla_put_failure;
2758
1b8ec87a 2759 if (rdev->wiphy.extended_capabilities &&
fe1abafd 2760 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1b8ec87a
ZG		 2761 rdev->wiphy.extended_capabilities_len,
2762 rdev->wiphy.extended_capabilities) ||
fe1abafd 2763 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1b8ec87a
ZG		 2764 rdev->wiphy.extended_capabilities_len,
2765 rdev->wiphy.extended_capabilities_mask)))
fe1abafd 2766 goto nla_put_failure;
a50df0c4 2767
1b8ec87a 2768 if (rdev->wiphy.vht_capa_mod_mask &&
ee2aca34 2769 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1b8ec87a
ZG		 2770 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2771 rdev->wiphy.vht_capa_mod_mask))
ee2aca34
JB		 2772 goto nla_put_failure;
2773
ae6fa4d5
DK		 2774 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2775 rdev->wiphy.perm_addr))
2776 goto nla_put_failure;
2777
2778 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2779 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2780 rdev->wiphy.addr_mask))
2781 goto nla_put_failure;
2782
2783 if (rdev->wiphy.n_addresses > 1) {
2784 void *attr;
2785
2786 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2787 if (!attr)
2788 goto nla_put_failure;
2789
2790 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2791 if (nla_put(msg, i + 1, ETH_ALEN,
2792 rdev->wiphy.addresses[i].addr))
2793 goto nla_put_failure;
2794
2795 nla_nest_end(msg, attr);
2796 }
2797
be29b99a
AK		 2798 state->split_start++;
2799 break;
2800 case 10:
1b8ec87a 2801 if (nl80211_send_coalesce(msg, rdev))
be29b99a
AK		 2802 goto nla_put_failure;
2803
1b8ec87a 2804 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
01e0daa4
FF		 2805 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2806 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2807 goto nla_put_failure;
b43504cf 2808
1b8ec87a 2809 if (rdev->wiphy.max_ap_assoc_sta &&
b43504cf 2810 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1b8ec87a 2811 rdev->wiphy.max_ap_assoc_sta))
b43504cf
JM		 2812 goto nla_put_failure;
2813
ad7e718c
JB		 2814 state->split_start++;
2815 break;
2816 case 11:
1b8ec87a 2817 if (rdev->wiphy.n_vendor_commands) {
567ffc35
JB		 2818 const struct nl80211_vendor_cmd_info *info;
2819 struct nlattr *nested;
2820
ae0be8de
MK		 2821 nested = nla_nest_start_noflag(msg,
2822 NL80211_ATTR_VENDOR_DATA);
567ffc35
JB		 2823 if (!nested)
2824 goto nla_put_failure;
2825
1b8ec87a
ZG		 2826 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2827 info = &rdev->wiphy.vendor_commands[i].info;
567ffc35
JB		 2828 if (nla_put(msg, i + 1, sizeof(*info), info))
2829 goto nla_put_failure;
2830 }
2831 nla_nest_end(msg, nested);
2832 }
2833
1b8ec87a 2834 if (rdev->wiphy.n_vendor_events) {
567ffc35
JB		 2835 const struct nl80211_vendor_cmd_info *info;
2836 struct nlattr *nested;
ad7e718c 2837
ae0be8de
MK		 2838 nested = nla_nest_start_noflag(msg,
2839 NL80211_ATTR_VENDOR_EVENTS);
567ffc35 2840 if (!nested)
ad7e718c 2841 goto nla_put_failure;
567ffc35 2842
1b8ec87a
ZG		 2843 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2844 info = &rdev->wiphy.vendor_events[i];
567ffc35
JB		 2845 if (nla_put(msg, i + 1, sizeof(*info), info))
2846 goto nla_put_failure;
2847 }
2848 nla_nest_end(msg, nested);
2849 }
9a774c78
AO		 2850 state->split_start++;
2851 break;
2852 case 12:
2853 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2854 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2855 rdev->wiphy.max_num_csa_counters))
2856 goto nla_put_failure;
01e0daa4 2857
1bdd716c
AN		 2858 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2859 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2860 goto nla_put_failure;
2861
ca986ad9
AVS		 2862 if (rdev->wiphy.max_sched_scan_reqs &&
2863 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2864 rdev->wiphy.max_sched_scan_reqs))
2865 goto nla_put_failure;
2866
d75bb06b
GKS		 2867 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2868 sizeof(rdev->wiphy.ext_features),
2869 rdev->wiphy.ext_features))
2870 goto nla_put_failure;
2871
38de03d2
AS		 2872 if (rdev->wiphy.bss_select_support) {
2873 struct nlattr *nested;
2874 u32 bss_select_support = rdev->wiphy.bss_select_support;
2875
ae0be8de
MK		 2876 nested = nla_nest_start_noflag(msg,
2877 NL80211_ATTR_BSS_SELECT);
38de03d2
AS		 2878 if (!nested)
2879 goto nla_put_failure;
2880
2881 i = 0;
2882 while (bss_select_support) {
2883 if ((bss_select_support & 1) &&
2884 nla_put_flag(msg, i))
2885 goto nla_put_failure;
2886 i++;
2887 bss_select_support >>= 1;
2888 }
2889 nla_nest_end(msg, nested);
2890 }
2891
019ae3a9
KV		 2892 state->split_start++;
2893 break;
2894 case 13:
2895 if (rdev->wiphy.num_iftype_ext_capab &&
2896 rdev->wiphy.iftype_ext_capab) {
2897 struct nlattr *nested_ext_capab, *nested;
2898
ae0be8de
MK		 2899 nested = nla_nest_start_noflag(msg,
2900 NL80211_ATTR_IFTYPE_EXT_CAPA);
019ae3a9
KV		 2901 if (!nested)
2902 goto nla_put_failure;
2903
2904 for (i = state->capa_start;
2905 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2906 const struct wiphy_iftype_ext_capab *capab;
2907
2908 capab = &rdev->wiphy.iftype_ext_capab[i];
2909
ae0be8de
MK		 2910 nested_ext_capab = nla_nest_start_noflag(msg,
2911 i);
019ae3a9
KV		 2912 if (!nested_ext_capab ||
2913 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2914 capab->iftype) ||
2915 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2916 capab->extended_capabilities_len,
2917 capab->extended_capabilities) ||
2918 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2919 capab->extended_capabilities_len,
2920 capab->extended_capabilities_mask))
2921 goto nla_put_failure;
2922
4e9c3af3
JB		 2923 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO &&
2924 (nla_put_u16(msg,
2925 NL80211_ATTR_EML_CAPABILITY,
2926 capab->eml_capabilities) ||
2927 nla_put_u16(msg,
2928 NL80211_ATTR_MLD_CAPA_AND_OPS,
2929 capab->mld_capa_and_ops)))
2930 goto nla_put_failure;
2931
019ae3a9
KV		 2932 nla_nest_end(msg, nested_ext_capab);
2933 if (state->split)
2934 break;
2935 }
2936 nla_nest_end(msg, nested);
2937 if (i < rdev->wiphy.num_iftype_ext_capab) {
2938 state->capa_start = i + 1;
2939 break;
2940 }
2941 }
2942
8585989d
LC		 2943 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2944 rdev->wiphy.nan_supported_bands))
2945 goto nla_put_failure;
2946
52539ca8
THJ		 2947 if (wiphy_ext_feature_isset(&rdev->wiphy,
2948 NL80211_EXT_FEATURE_TXQS)) {
2949 struct cfg80211_txq_stats txqstats = {};
2950 int res;
2951
2952 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2953 if (!res &&
2954 !nl80211_put_txq_stats(msg, &txqstats,
2955 NL80211_ATTR_TXQ_STATS))
2956 goto nla_put_failure;
2957
2958 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2959 rdev->wiphy.txq_limit))
2960 goto nla_put_failure;
2961 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2962 rdev->wiphy.txq_memory_limit))
2963 goto nla_put_failure;
2964 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2965 rdev->wiphy.txq_quantum))
2966 goto nla_put_failure;
2967 }
2968
9bb7e0f2
JB		 2969 state->split_start++;
2970 break;
2971 case 14:
2972 if (nl80211_send_pmsr_capa(rdev, msg))
2973 goto nla_put_failure;
2974
ab4dfa20
VJ		 2975 state->split_start++;
2976 break;
2977 case 15:
2978 if (rdev->wiphy.akm_suites &&
2979 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2980 sizeof(u32) * rdev->wiphy.n_akm_suites,
2981 rdev->wiphy.akm_suites))
2982 goto nla_put_failure;
2983
d6039a34
VJ		 2984 if (nl80211_put_iftype_akm_suites(rdev, msg))
2985 goto nla_put_failure;
2986
3710a8a6
JB		 2987 if (nl80211_put_tid_config_support(rdev, msg))
2988 goto nla_put_failure;
6bdb68ce
CH		 2989 state->split_start++;
2990 break;
2991 case 16:
2992 if (nl80211_put_sar_specs(rdev, msg))
2993 goto nla_put_failure;
3710a8a6 2994
dc1e3cb8
JC		 2995 if (nl80211_put_mbssid_support(&rdev->wiphy, msg))
2996 goto nla_put_failure;
2997
ecad3b0b
VJ		 2998 if (nla_put_u16(msg, NL80211_ATTR_MAX_NUM_AKM_SUITES,
2999 rdev->wiphy.max_num_akm_suites))
3000 goto nla_put_failure;
3001
fa2ca639
JB		 3002 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)
3003 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT);
3004
cbbaf2bb
AS		 3005 if (rdev->wiphy.hw_timestamp_max_peers &&
3006 nla_put_u16(msg, NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS,
3007 rdev->wiphy.hw_timestamp_max_peers))
3008 goto nla_put_failure;
3009
3713b4e3 3010 /* done */
86e8cf98 3011 state->split_start = 0;
3713b4e3
JB		 3012 break;
3013 }
3bb20556 3014 finish:
053c095a
JB		 3015 genlmsg_end(msg, hdr);
3016 return 0;
55682965
JB		 3017
3018 nla_put_failure:
bc3ed28c
TG		 3019 genlmsg_cancel(msg, hdr);
3020 return -EMSGSIZE;
55682965
JB		 3021}
3022
86e8cf98
JB		 3023static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
3024 struct netlink_callback *cb,
3025 struct nl80211_dump_wiphy_state *state)
3026{
50508d94
JB		 3027 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
3028 int ret;
3029
3030 if (!tb)
3031 return -ENOMEM;
3032
3033 ret = nlmsg_parse_deprecated(cb->nlh,
3034 GENL_HDRLEN + nl80211_fam.hdrsize,
3035 tb, nl80211_fam.maxattr,
3036 nl80211_policy, NULL);
86e8cf98 3037 /* ignore parse errors for backward compatibility */
50508d94
JB		 3038 if (ret) {
3039 ret = 0;
3040 goto out;
3041 }
86e8cf98
JB		 3042
3043 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
3044 if (tb[NL80211_ATTR_WIPHY])
3045 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
3046 if (tb[NL80211_ATTR_WDEV])
3047 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
3048 if (tb[NL80211_ATTR_IFINDEX]) {
3049 struct net_device *netdev;
3050 struct cfg80211_registered_device *rdev;
3051 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3052
7f2b8562 3053 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
50508d94
JB		 3054 if (!netdev) {
3055 ret = -ENODEV;
3056 goto out;
3057 }
86e8cf98 3058 if (netdev->ieee80211_ptr) {
f26cbf40 3059 rdev = wiphy_to_rdev(
86e8cf98
JB		 3060 netdev->ieee80211_ptr->wiphy);
3061 state->filter_wiphy = rdev->wiphy_idx;
3062 }
86e8cf98
JB		 3063 }
3064
50508d94
JB		 3065 ret = 0;
3066out:
3067 kfree(tb);
3068 return ret;
86e8cf98
JB		 3069}
3070
55682965
JB		 3071static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
3072{
645e77de 3073 int idx = 0, ret;
86e8cf98 3074 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1b8ec87a 3075 struct cfg80211_registered_device *rdev;
3a5a423b 3076
5fe231e8 3077 rtnl_lock();
86e8cf98
JB		 3078 if (!state) {
3079 state = kzalloc(sizeof(*state), GFP_KERNEL);
57ed5cd6
JL		 3080 if (!state) {
3081 rtnl_unlock();
86e8cf98 3082 return -ENOMEM;
3713b4e3 3083 }
86e8cf98
JB		 3084 state->filter_wiphy = -1;
3085 ret = nl80211_dump_wiphy_parse(skb, cb, state);
3086 if (ret) {
3087 kfree(state);
3088 rtnl_unlock();
3089 return ret;
3713b4e3 3090 }
86e8cf98 3091 cb->args[0] = (long)state;
3713b4e3
JB		 3092 }
3093
7483a214 3094 for_each_rdev(rdev) {
1b8ec87a 3095 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3096 continue;
86e8cf98 3097 if (++idx <= state->start)
55682965 3098 continue;
86e8cf98 3099 if (state->filter_wiphy != -1 &&
1b8ec87a 3100 state->filter_wiphy != rdev->wiphy_idx)
3713b4e3 3101 continue;
4d45145b 3102 wiphy_lock(&rdev->wiphy);
3713b4e3
JB		 3103 /* attempt to fit multiple wiphy data chunks into the skb */
3104 do {
3bb20556
JB		 3105 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
3106 skb,
3713b4e3
JB		 3107 NETLINK_CB(cb->skb).portid,
3108 cb->nlh->nlmsg_seq,
86e8cf98 3109 NLM_F_MULTI, state);
3713b4e3
JB		 3110 if (ret < 0) {
3111 /*
3112 * If sending the wiphy data didn't fit (ENOBUFS
3113 * or EMSGSIZE returned), this SKB is still
3114 * empty (so it's not too big because another
3115 * wiphy dataset is already in the skb) and
3116 * we've not tried to adjust the dump allocation
3117 * yet ... then adjust the alloc size to be
3118 * bigger, and return 1 but with the empty skb.
3119 * This results in an empty message being RX'ed
3120 * in userspace, but that is ignored.
3121 *
3122 * We can then retry with the larger buffer.
3123 */
3124 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
f12cb289 3125 !skb->len && !state->split &&
3713b4e3
JB		 3126 cb->min_dump_alloc < 4096) {
3127 cb->min_dump_alloc = 4096;
f12cb289 3128 state->split_start = 0;
4d45145b 3129 wiphy_unlock(&rdev->wiphy);
d98cae64 3130 rtnl_unlock();
3713b4e3
JB		 3131 return 1;
3132 }
3133 idx--;
3134 break;
645e77de 3135 }
86e8cf98 3136 } while (state->split_start > 0);
4d45145b 3137 wiphy_unlock(&rdev->wiphy);
3713b4e3 3138 break;
55682965 3139 }
5fe231e8 3140 rtnl_unlock();
55682965 3141
86e8cf98 3142 state->start = idx;
55682965
JB		 3143
3144 return skb->len;
3145}
3146
86e8cf98
JB		 3147static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
3148{
3149 kfree((void *)cb->args[0]);
3150 return 0;
3151}
3152
55682965
JB		 3153static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
3154{
3155 struct sk_buff *msg;
1b8ec87a 3156 struct cfg80211_registered_device *rdev = info->user_ptr[0];
86e8cf98 3157 struct nl80211_dump_wiphy_state state = {};
55682965 3158
645e77de 3159 msg = nlmsg_new(4096, GFP_KERNEL);
55682965 3160 if (!msg)
4c476991 3161 return -ENOMEM;
55682965 3162
3bb20556
JB		 3163 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
3164 info->snd_portid, info->snd_seq, 0,
86e8cf98 3165 &state) < 0) {
4c476991
JB		 3166 nlmsg_free(msg);
3167 return -ENOBUFS;
3168 }
55682965 3169
134e6375 3170 return genlmsg_reply(msg, info);
55682965
JB		 3171}
3172
31888487
JM		 3173static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
3174 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
3175 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
3176 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
3177 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
3178 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
3179};
3180
3181static int parse_txq_params(struct nlattr *tb[],
3182 struct ieee80211_txq_params *txq_params)
3183{
259d8c1e
DW		 3184 u8 ac;
3185
a3304b0a 3186 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
31888487
JM		 3187 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
3188 !tb[NL80211_TXQ_ATTR_AIFS])
3189 return -EINVAL;
3190
259d8c1e 3191 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
31888487
JM		 3192 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
3193 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
3194 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
3195 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
3196
259d8c1e 3197 if (ac >= NL80211_NUM_ACS)
a3304b0a 3198 return -EINVAL;
259d8c1e 3199 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
31888487
JM		 3200 return 0;
3201}
3202
f444de05
JB		 3203static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
3204{
3205 /*
e7e0517c
JB		 3206 * You can only set the channel explicitly for some interfaces,
3207 * most have their channel managed via their respective
cc1d2806
JB		 3208 * "establish a connection" command (connect, join, ...)
3209 *
3210 * For AP/GO and mesh mode, the channel can be set with the
3211 * channel userspace API, but is only stored and passed to the
3212 * low-level driver when the AP starts or the mesh is joined.
3213 * This is for backward compatibility, userspace can also give
3214 * the channel in the start-ap or join-mesh commands instead.
f444de05
JB		 3215 *
3216 * Monitors are special as they are normally slaved to
e8c9bd5b
JB		 3217 * whatever else is going on, so they have their own special
3218 * operation to set the monitor channel if possible.
f444de05
JB		 3219 */
3220 return !wdev ||
3221 wdev->iftype == NL80211_IFTYPE_AP ||
f444de05 3222 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
074ac8df
JB		 3223 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3224 wdev->iftype == NL80211_IFTYPE_P2P_GO;
f444de05
JB		 3225}
3226
d7c1a9a0
AD		 3227static int nl80211_parse_punct_bitmap(struct cfg80211_registered_device *rdev,
3228 struct genl_info *info,
3229 const struct cfg80211_chan_def *chandef,
3230 u16 *punct_bitmap)
3231{
3232 if (!wiphy_ext_feature_isset(&rdev->wiphy, NL80211_EXT_FEATURE_PUNCT))
3233 return -EINVAL;
3234
3235 *punct_bitmap = nla_get_u32(info->attrs[NL80211_ATTR_PUNCT_BITMAP]);
3236 if (!cfg80211_valid_disable_subchannel_bitmap(punct_bitmap, chandef))
3237 return -EINVAL;
3238
3239 return 0;
3240}
3241
9bb7e0f2
JB		 3242int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3243 struct genl_info *info,
3244 struct cfg80211_chan_def *chandef)
683b6d3b 3245{
49f9cf0e
JB		 3246 struct netlink_ext_ack *extack = info->extack;
3247 struct nlattr **attrs = info->attrs;
dbeca2ea 3248 u32 control_freq;
683b6d3b 3249
90b2c3cc
JK		 3250 if (!attrs[NL80211_ATTR_WIPHY_FREQ]) {
3251 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3252 "Frequency is missing");
683b6d3b 3253 return -EINVAL;
90b2c3cc 3254 }
683b6d3b 3255
942ba88b
TP		 3256 control_freq = MHZ_TO_KHZ(
3257 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3258 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3259 control_freq +=
3260 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
683b6d3b 3261
f43e5210 3262 memset(chandef, 0, sizeof(*chandef));
942ba88b 3263 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3d9d1d66 3264 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
942ba88b
TP		 3265 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3266 chandef->freq1_offset = control_freq % 1000;
3d9d1d66 3267 chandef->center_freq2 = 0;
683b6d3b
JB		 3268
3269 /* Primary channel not allowed */
49f9cf0e
JB		 3270 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3271 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3272 "Channel is disabled");
683b6d3b 3273 return -EINVAL;
49f9cf0e 3274 }
683b6d3b 3275
49f9cf0e 3276 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3d9d1d66
JB		 3277 enum nl80211_channel_type chantype;
3278
49f9cf0e 3279 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3d9d1d66
JB		 3280
3281 switch (chantype) {
3282 case NL80211_CHAN_NO_HT:
3283 case NL80211_CHAN_HT20:
3284 case NL80211_CHAN_HT40PLUS:
3285 case NL80211_CHAN_HT40MINUS:
3286 cfg80211_chandef_create(chandef, chandef->chan,
3287 chantype);
ffa4629e 3288 /* user input for center_freq is incorrect */
49f9cf0e
JB		 3289 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3290 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3291 NL_SET_ERR_MSG_ATTR(extack,
3292 attrs[NL80211_ATTR_CENTER_FREQ1],
3293 "bad center frequency 1");
ffa4629e 3294 return -EINVAL;
49f9cf0e 3295 }
ffa4629e 3296 /* center_freq2 must be zero */
49f9cf0e
JB		 3297 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3298 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3299 NL_SET_ERR_MSG_ATTR(extack,
3300 attrs[NL80211_ATTR_CENTER_FREQ2],
3301 "center frequency 2 can't be used");
ffa4629e 3302 return -EINVAL;
49f9cf0e 3303 }
3d9d1d66
JB		 3304 break;
3305 default:
49f9cf0e
JB		 3306 NL_SET_ERR_MSG_ATTR(extack,
3307 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3308 "invalid channel type");
3d9d1d66
JB		 3309 return -EINVAL;
3310 }
49f9cf0e 3311 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3d9d1d66 3312 chandef->width =
49f9cf0e 3313 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
5d087aa7
KF		 3314 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
3315 /* User input error for channel width doesn't match channel */
3316 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
3317 NL_SET_ERR_MSG_ATTR(extack,
3318 attrs[NL80211_ATTR_CHANNEL_WIDTH],
3319 "bad channel width");
3320 return -EINVAL;
3321 }
3322 }
942ba88b 3323 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3d9d1d66 3324 chandef->center_freq1 =
49f9cf0e 3325 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
942ba88b
TP		 3326 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3327 chandef->freq1_offset = nla_get_u32(
3328 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3329 else
3330 chandef->freq1_offset = 0;
3331 }
49f9cf0e 3332 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3d9d1d66 3333 chandef->center_freq2 =
49f9cf0e 3334 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3d9d1d66
JB		 3335 }
3336
2a38075c
AAL		 3337 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3338 chandef->edmg.channels =
3339 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3340
3341 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3342 chandef->edmg.bw_config =
3343 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3344 } else {
3345 chandef->edmg.bw_config = 0;
3346 chandef->edmg.channels = 0;
3347 }
3348
49f9cf0e
JB		 3349 if (!cfg80211_chandef_valid(chandef)) {
3350 NL_SET_ERR_MSG(extack, "invalid channel definition");
3d9d1d66 3351 return -EINVAL;
49f9cf0e 3352 }
3d9d1d66 3353
9f5e8f6e 3354 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
49f9cf0e
JB		 3355 IEEE80211_CHAN_DISABLED)) {
3356 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3d9d1d66 3357 return -EINVAL;
49f9cf0e 3358 }
3d9d1d66 3359
2f301ab2
SW		 3360 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3361 chandef->width == NL80211_CHAN_WIDTH_10) &&
49f9cf0e
JB		 3362 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3363 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2f301ab2 3364 return -EINVAL;
49f9cf0e 3365 }
2f301ab2 3366
683b6d3b
JB		 3367 return 0;
3368}
3369
f444de05 3370static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
e16821bc 3371 struct net_device *dev,
7b0a0e3c
JB		 3372 struct genl_info *info,
3373 int _link_id)
f444de05 3374{
683b6d3b 3375 struct cfg80211_chan_def chandef;
f444de05 3376 int result;
e8c9bd5b 3377 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
e16821bc 3378 struct wireless_dev *wdev = NULL;
7b0a0e3c 3379 int link_id = _link_id;
e8c9bd5b 3380
e16821bc
JM		 3381 if (dev)
3382 wdev = dev->ieee80211_ptr;
f444de05
JB		 3383 if (!nl80211_can_set_dev_channel(wdev))
3384 return -EOPNOTSUPP;
e16821bc
JM		 3385 if (wdev)
3386 iftype = wdev->iftype;
f444de05 3387
7b0a0e3c
JB		 3388 if (link_id < 0) {
3389 if (wdev && wdev->valid_links)
3390 return -EINVAL;
3391 link_id = 0;
3392 }
3393
683b6d3b
JB		 3394 result = nl80211_parse_chandef(rdev, info, &chandef);
3395 if (result)
3396 return result;
f444de05 3397
e8c9bd5b 3398 switch (iftype) {
aa430da4
JB		 3399 case NL80211_IFTYPE_AP:
3400 case NL80211_IFTYPE_P2P_GO:
923b352f 3401 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
7b0a0e3c
JB		 3402 iftype))
3403 return -EINVAL;
3404 if (wdev->links[link_id].ap.beacon_interval) {
3405 struct ieee80211_channel *cur_chan;
3406
e16821bc
JM		 3407 if (!dev || !rdev->ops->set_ap_chanwidth ||
3408 !(rdev->wiphy.features &
7b0a0e3c
JB		 3409 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE))
3410 return -EBUSY;
e16821bc
JM		 3411
3412 /* Only allow dynamic channel width changes */
7b0a0e3c
JB		 3413 cur_chan = wdev->links[link_id].ap.chandef.chan;
3414 if (chandef.chan != cur_chan)
3415 return -EBUSY;
3416
3417 result = rdev_set_ap_chanwidth(rdev, dev, link_id,
3418 &chandef);
e16821bc 3419 if (result)
7b0a0e3c
JB		 3420 return result;
3421 wdev->links[link_id].ap.chandef = chandef;
3422 } else {
3423 wdev->u.ap.preset_chandef = chandef;
e16821bc 3424 }
7b0a0e3c 3425 return 0;
cc1d2806 3426 case NL80211_IFTYPE_MESH_POINT:
7b0a0e3c 3427 return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
e8c9bd5b 3428 case NL80211_IFTYPE_MONITOR:
7b0a0e3c 3429 return cfg80211_set_monitor_channel(rdev, &chandef);
aa430da4 3430 default:
7b0a0e3c 3431 break;
f444de05 3432 }
f444de05 3433
7b0a0e3c 3434 return -EINVAL;
f444de05
JB		 3435}
3436
3437static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3438{
4c476991 3439 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 3440 int link_id = nl80211_link_id_or_invalid(info->attrs);
4c476991 3441 struct net_device *netdev = info->user_ptr[1];
f444de05 3442
076fc877 3443 return __nl80211_set_channel(rdev, netdev, info, link_id);
f444de05
JB		 3444}
3445
55682965
JB		 3446static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3447{
a05829a7 3448 struct cfg80211_registered_device *rdev = NULL;
f444de05
JB		 3449 struct net_device *netdev = NULL;
3450 struct wireless_dev *wdev;
a1e567c8 3451 int result = 0, rem_txq_params = 0;
31888487 3452 struct nlattr *nl_txq_params;
b9a5f8ca
JM		 3453 u32 changed;
3454 u8 retry_short = 0, retry_long = 0;
3455 u32 frag_threshold = 0, rts_threshold = 0;
81077e82 3456 u8 coverage_class = 0;
52539ca8 3457 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
55682965 3458
a05829a7 3459 rtnl_lock();
f444de05
JB		 3460 /*
3461 * Try to find the wiphy and netdev. Normally this
3462 * function shouldn't need the netdev, but this is
3463 * done for backward compatibility -- previously
3464 * setting the channel was done per wiphy, but now
3465 * it is per netdev. Previous userland like hostapd
3466 * also passed a netdev to set_wiphy, so that it is
3467 * possible to let that go to the right netdev!
3468 */
4bbf4d56 3469
f444de05
JB		 3470 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3471 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3472
7f2b8562 3473 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
5fe231e8 3474 if (netdev && netdev->ieee80211_ptr)
f26cbf40 3475 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
5fe231e8 3476 else
f444de05 3477 netdev = NULL;
4bbf4d56
JB		 3478 }
3479
f444de05 3480 if (!netdev) {
878d9ec7
JB		 3481 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3482 info->attrs);
a05829a7
JB		 3483 if (IS_ERR(rdev)) {
3484 rtnl_unlock();
4c476991 3485 return PTR_ERR(rdev);
a05829a7 3486 }
f444de05
JB		 3487 wdev = NULL;
3488 netdev = NULL;
3489 result = 0;
71fe96bf 3490 } else
f444de05 3491 wdev = netdev->ieee80211_ptr;
f444de05 3492
a05829a7 3493 wiphy_lock(&rdev->wiphy);
a05829a7 3494
f444de05
JB		 3495 /*
3496 * end workaround code, by now the rdev is available
3497 * and locked, and wdev may or may not be NULL.
3498 */
4bbf4d56
JB		 3499
3500 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
31888487
JM		 3501 result = cfg80211_dev_rename(
3502 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
0391a45c 3503 rtnl_unlock();
4bbf4d56 3504
4bbf4d56 3505 if (result)
a05829a7 3506 goto out;
31888487
JM		 3507
3508 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3509 struct ieee80211_txq_params txq_params;
3510 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3511
a05829a7
JB		 3512 if (!rdev->ops->set_txq_params) {
3513 result = -EOPNOTSUPP;
3514 goto out;
3515 }
31888487 3516
a05829a7
JB		 3517 if (!netdev) {
3518 result = -EINVAL;
3519 goto out;
3520 }
f70f01c2 3521
133a3ff2 3522 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
a05829a7
JB		 3523 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3524 result = -EINVAL;
3525 goto out;
3526 }
133a3ff2 3527
a05829a7
JB		 3528 if (!netif_running(netdev)) {
3529 result = -ENETDOWN;
3530 goto out;
3531 }
2b5f8b0b 3532
31888487
JM		 3533 nla_for_each_nested(nl_txq_params,
3534 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3535 rem_txq_params) {
8cb08174
JB		 3536 result = nla_parse_nested_deprecated(tb,
3537 NL80211_TXQ_ATTR_MAX,
3538 nl_txq_params,
3539 txq_params_policy,
3540 info->extack);
ae811e21 3541 if (result)
a05829a7 3542 goto out;
31888487
JM		 3543 result = parse_txq_params(tb, &txq_params);
3544 if (result)
a05829a7 3545 goto out;
31888487 3546
9d2bb84d
ST		 3547 txq_params.link_id =
3548 nl80211_link_id_or_invalid(info->attrs);
3549
9d2bb84d
ST		 3550 if (txq_params.link_id >= 0 &&
3551 !(netdev->ieee80211_ptr->valid_links &
3552 BIT(txq_params.link_id)))
3553 result = -ENOLINK;
3554 else if (txq_params.link_id >= 0 &&
3555 !netdev->ieee80211_ptr->valid_links)
3556 result = -EINVAL;
3557 else
3558 result = rdev_set_txq_params(rdev, netdev,
3559 &txq_params);
31888487 3560 if (result)
a05829a7 3561 goto out;
31888487
JM		 3562 }
3563 }
55682965 3564
72bdcf34 3565 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
69c3f2d3
IP		 3566 int link_id = nl80211_link_id_or_invalid(info->attrs);
3567
4e2f3d67 3568 if (wdev) {
4e2f3d67
JB		 3569 result = __nl80211_set_channel(
3570 rdev,
3571 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
69c3f2d3 3572 info, link_id);
4e2f3d67 3573 } else {
69c3f2d3 3574 result = __nl80211_set_channel(rdev, netdev, info, link_id);
4e2f3d67 3575 }
69c3f2d3 3576
72bdcf34 3577 if (result)
a05829a7 3578 goto out;
72bdcf34
JM		 3579 }
3580
98d2ff8b 3581 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
c8442118 3582 struct wireless_dev *txp_wdev = wdev;
98d2ff8b
JO		 3583 enum nl80211_tx_power_setting type;
3584 int idx, mbm = 0;
3585
c8442118
JB		 3586 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3587 txp_wdev = NULL;
3588
a05829a7
JB		 3589 if (!rdev->ops->set_tx_power) {
3590 result = -EOPNOTSUPP;
3591 goto out;
3592 }
98d2ff8b
JO		 3593
3594 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3595 type = nla_get_u32(info->attrs[idx]);
3596
3597 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
a05829a7
JB		 3598 (type != NL80211_TX_POWER_AUTOMATIC)) {
3599 result = -EINVAL;
3600 goto out;
3601 }
98d2ff8b
JO		 3602
3603 if (type != NL80211_TX_POWER_AUTOMATIC) {
3604 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3605 mbm = nla_get_u32(info->attrs[idx]);
3606 }
3607
c8442118 3608 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
98d2ff8b 3609 if (result)
a05829a7 3610 goto out;
98d2ff8b
JO		 3611 }
3612
afe0cbf8
BR		 3613 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3614 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3615 u32 tx_ant, rx_ant;
7a087e74 3616
7f531e03
BR		 3617 if ((!rdev->wiphy.available_antennas_tx &&
3618 !rdev->wiphy.available_antennas_rx) ||
a05829a7
JB		 3619 !rdev->ops->set_antenna) {
3620 result = -EOPNOTSUPP;
3621 goto out;
3622 }
afe0cbf8
BR		 3623
3624 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3625 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3626
a7ffac95 3627 /* reject antenna configurations which don't match the
7f531e03
BR		 3628 * available antenna masks, except for the "all" mask */
3629 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
a05829a7
JB		 3630 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3631 result = -EINVAL;
3632 goto out;
3633 }
a7ffac95 3634
7f531e03
BR		 3635 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3636 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
a7ffac95 3637
e35e4d28 3638 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
afe0cbf8 3639 if (result)
a05829a7 3640 goto out;
afe0cbf8
BR		 3641 }
3642
b9a5f8ca
JM		 3643 changed = 0;
3644
3645 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3646 retry_short = nla_get_u8(
3647 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
7f2b8562 3648
b9a5f8ca
JM		 3649 changed |= WIPHY_PARAM_RETRY_SHORT;
3650 }
3651
3652 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3653 retry_long = nla_get_u8(
3654 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
7f2b8562 3655
b9a5f8ca
JM		 3656 changed |= WIPHY_PARAM_RETRY_LONG;
3657 }
3658
3659 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3660 frag_threshold = nla_get_u32(
3661 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
a05829a7
JB		 3662 if (frag_threshold < 256) {
3663 result = -EINVAL;
3664 goto out;
3665 }
7f2b8562 3666
b9a5f8ca
JM		 3667 if (frag_threshold != (u32) -1) {
3668 /*
3669 * Fragments (apart from the last one) are required to
3670 * have even length. Make the fragmentation code
3671 * simpler by stripping LSB should someone try to use
3672 * odd threshold value.
3673 */
3674 frag_threshold &= ~0x1;
3675 }
3676 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3677 }
3678
3679 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3680 rts_threshold = nla_get_u32(
3681 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3682 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3683 }
3684
81077e82 3685 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
a05829a7
JB		 3686 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3687 result = -EINVAL;
3688 goto out;
3689 }
3057dbfd 3690
81077e82
LT		 3691 coverage_class = nla_get_u8(
3692 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3693 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3694 }
3695
3057dbfd 3696 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
a05829a7
JB		 3697 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3698 result = -EOPNOTSUPP;
3699 goto out;
3700 }
3057dbfd
LB		 3701
3702 changed |= WIPHY_PARAM_DYN_ACK;
81077e82
LT		 3703 }
3704
52539ca8
THJ		 3705 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3706 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3707 NL80211_EXT_FEATURE_TXQS)) {
3708 result = -EOPNOTSUPP;
3709 goto out;
3710 }
52539ca8
THJ		 3711 txq_limit = nla_get_u32(
3712 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3713 changed |= WIPHY_PARAM_TXQ_LIMIT;
3714 }
3715
3716 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3717 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3718 NL80211_EXT_FEATURE_TXQS)) {
3719 result = -EOPNOTSUPP;
3720 goto out;
3721 }
52539ca8
THJ		 3722 txq_memory_limit = nla_get_u32(
3723 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3724 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3725 }
3726
3727 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3728 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3729 NL80211_EXT_FEATURE_TXQS)) {
3730 result = -EOPNOTSUPP;
3731 goto out;
3732 }
52539ca8
THJ		 3733 txq_quantum = nla_get_u32(
3734 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3735 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3736 }
3737
b9a5f8ca
JM		 3738 if (changed) {
3739 u8 old_retry_short, old_retry_long;
3740 u32 old_frag_threshold, old_rts_threshold;
81077e82 3741 u8 old_coverage_class;
52539ca8 3742 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
b9a5f8ca 3743
a05829a7
JB		 3744 if (!rdev->ops->set_wiphy_params) {
3745 result = -EOPNOTSUPP;
3746 goto out;
3747 }
b9a5f8ca
JM		 3748
3749 old_retry_short = rdev->wiphy.retry_short;
3750 old_retry_long = rdev->wiphy.retry_long;
3751 old_frag_threshold = rdev->wiphy.frag_threshold;
3752 old_rts_threshold = rdev->wiphy.rts_threshold;
81077e82 3753 old_coverage_class = rdev->wiphy.coverage_class;
52539ca8
THJ		 3754 old_txq_limit = rdev->wiphy.txq_limit;
3755 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3756 old_txq_quantum = rdev->wiphy.txq_quantum;
b9a5f8ca
JM		 3757
3758 if (changed & WIPHY_PARAM_RETRY_SHORT)
3759 rdev->wiphy.retry_short = retry_short;
3760 if (changed & WIPHY_PARAM_RETRY_LONG)
3761 rdev->wiphy.retry_long = retry_long;
3762 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3763 rdev->wiphy.frag_threshold = frag_threshold;
3764 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3765 rdev->wiphy.rts_threshold = rts_threshold;
81077e82
LT		 3766 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3767 rdev->wiphy.coverage_class = coverage_class;
52539ca8
THJ		 3768 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3769 rdev->wiphy.txq_limit = txq_limit;
3770 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3771 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3772 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3773 rdev->wiphy.txq_quantum = txq_quantum;
b9a5f8ca 3774
e35e4d28 3775 result = rdev_set_wiphy_params(rdev, changed);
b9a5f8ca
JM		 3776 if (result) {
3777 rdev->wiphy.retry_short = old_retry_short;
3778 rdev->wiphy.retry_long = old_retry_long;
3779 rdev->wiphy.frag_threshold = old_frag_threshold;
3780 rdev->wiphy.rts_threshold = old_rts_threshold;
81077e82 3781 rdev->wiphy.coverage_class = old_coverage_class;
52539ca8
THJ		 3782 rdev->wiphy.txq_limit = old_txq_limit;
3783 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3784 rdev->wiphy.txq_quantum = old_txq_quantum;
a05829a7 3785 goto out;
b9a5f8ca
JM		 3786 }
3787 }
a05829a7
JB		 3788
3789 result = 0;
3790
3791out:
3792 wiphy_unlock(&rdev->wiphy);
3793 return result;
55682965
JB		 3794}
3795
5097f844 3796int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *chandef)
683b6d3b 3797{
601555cd
JB		 3798 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3799 return -EINVAL;
3d9d1d66 3800
683b6d3b
JB		 3801 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3802 chandef->chan->center_freq))
3803 return -ENOBUFS;
942ba88b
TP		 3804 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3805 chandef->chan->freq_offset))
3806 return -ENOBUFS;
3d9d1d66
JB		 3807 switch (chandef->width) {
3808 case NL80211_CHAN_WIDTH_20_NOHT:
3809 case NL80211_CHAN_WIDTH_20:
3810 case NL80211_CHAN_WIDTH_40:
3811 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3812 cfg80211_get_chandef_type(chandef)))
3813 return -ENOBUFS;
3814 break;
3815 default:
3816 break;
3817 }
3818 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3819 return -ENOBUFS;
3820 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3821 return -ENOBUFS;
3822 if (chandef->center_freq2 &&
3823 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
683b6d3b
JB		 3824 return -ENOBUFS;
3825 return 0;
3826}
5097f844 3827EXPORT_SYMBOL(nl80211_send_chandef);
683b6d3b 3828
15e47304 3829static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
d726405a 3830 struct cfg80211_registered_device *rdev,
3d1a5bbf
AZ		 3831 struct wireless_dev *wdev,
3832 enum nl80211_commands cmd)
55682965 3833{
72fb2abc 3834 struct net_device *dev = wdev->netdev;
55682965
JB		 3835 void *hdr;
3836
10331767
JB		 3837 lockdep_assert_wiphy(&rdev->wiphy);
3838
3d1a5bbf
AZ		 3839 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3840 cmd != NL80211_CMD_DEL_INTERFACE &&
3841 cmd != NL80211_CMD_SET_INTERFACE);
8f894be2
TB		 3842
3843 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
55682965
JB		 3844 if (!hdr)
3845 return -1;
3846
72fb2abc
JB		 3847 if (dev &&
3848 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
98104fde 3849 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
72fb2abc
JB		 3850 goto nla_put_failure;
3851
3852 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3853 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2dad624e
ND		 3854 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3855 NL80211_ATTR_PAD) ||
98104fde 3856 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
9360ffd1
DM		 3857 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3858 rdev->devlist_generation ^
446faa15
AQ		 3859 (cfg80211_rdev_list_generation << 2)) ||
3860 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
9360ffd1 3861 goto nla_put_failure;
f5ea9120 3862
7b0a0e3c 3863 if (rdev->ops->get_channel && !wdev->valid_links) {
f43e5210 3864 struct cfg80211_chan_def chandef = {};
7b0a0e3c 3865 int ret;
683b6d3b 3866
7b0a0e3c
JB		 3867 ret = rdev_get_channel(rdev, wdev, 0, &chandef);
3868 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3869 goto nla_put_failure;
d91df0e3
PF		 3870 }
3871
d55d0d59
RM		 3872 if (rdev->ops->get_tx_power) {
3873 int dbm, ret;
3874
3875 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3876 if (ret == 0 &&
3877 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3878 DBM_TO_MBM(dbm)))
3879 goto nla_put_failure;
3880 }
3881
44905265
JB		 3882 switch (wdev->iftype) {
3883 case NL80211_IFTYPE_AP:
a75971bc 3884 case NL80211_IFTYPE_P2P_GO:
7b0a0e3c
JB		 3885 if (wdev->u.ap.ssid_len &&
3886 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
3887 wdev->u.ap.ssid))
076fc877 3888 goto nla_put_failure;
44905265
JB		 3889 break;
3890 case NL80211_IFTYPE_STATION:
3891 case NL80211_IFTYPE_P2P_CLIENT:
7b0a0e3c
JB		 3892 if (wdev->u.client.ssid_len &&
3893 nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
3894 wdev->u.client.ssid))
076fc877 3895 goto nla_put_failure;
7b0a0e3c
JB		 3896 break;
3897 case NL80211_IFTYPE_ADHOC:
3898 if (wdev->u.ibss.ssid_len &&
3899 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
3900 wdev->u.ibss.ssid))
076fc877 3901 goto nla_put_failure;
44905265 3902 break;
44905265
JB		 3903 default:
3904 /* nothing */
3905 break;
b84e7a05
AQ		 3906 }
3907
52539ca8
THJ		 3908 if (rdev->ops->get_txq_stats) {
3909 struct cfg80211_txq_stats txqstats = {};
3910 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3911
3912 if (ret == 0 &&
3913 !nl80211_put_txq_stats(msg, &txqstats,
3914 NL80211_ATTR_TXQ_STATS))
3915 goto nla_put_failure;
3916 }
3917
ce08cd34
JB		 3918 if (wdev->valid_links) {
3919 unsigned int link_id;
3920 struct nlattr *links = nla_nest_start(msg,
3921 NL80211_ATTR_MLO_LINKS);
3922
3923 if (!links)
3924 goto nla_put_failure;
3925
3926 for_each_valid_link(wdev, link_id) {
3927 struct nlattr *link = nla_nest_start(msg, link_id + 1);
7a77cd47
VJ		 3928 struct cfg80211_chan_def chandef = {};
3929 int ret;
ce08cd34 3930
5cc58b37
YC		 3931 if (!link)
3932 goto nla_put_failure;
3933
ce08cd34
JB		 3934 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3935 goto nla_put_failure;
3936 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
3937 wdev->links[link_id].addr))
3938 goto nla_put_failure;
7a77cd47
VJ		 3939
3940 ret = rdev_get_channel(rdev, wdev, link_id, &chandef);
3941 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3942 goto nla_put_failure;
3943
ce08cd34
JB		 3944 nla_nest_end(msg, link);
3945 }
3946
3947 nla_nest_end(msg, links);
3948 }
3949
053c095a
JB		 3950 genlmsg_end(msg, hdr);
3951 return 0;
55682965
JB		 3952
3953 nla_put_failure:
bc3ed28c
TG		 3954 genlmsg_cancel(msg, hdr);
3955 return -EMSGSIZE;
55682965
JB		 3956}
3957
3958static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3959{
3960 int wp_idx = 0;
3961 int if_idx = 0;
3962 int wp_start = cb->args[0];
3963 int if_start = cb->args[1];
b7fb44da 3964 int filter_wiphy = -1;
f5ea9120 3965 struct cfg80211_registered_device *rdev;
55682965 3966 struct wireless_dev *wdev;
ea90e0dc 3967 int ret;
55682965 3968
5fe231e8 3969 rtnl_lock();
b7fb44da
DK		 3970 if (!cb->args[2]) {
3971 struct nl80211_dump_wiphy_state state = {
3972 .filter_wiphy = -1,
3973 };
b7fb44da
DK		 3974
3975 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3976 if (ret)
ea90e0dc 3977 goto out_unlock;
b7fb44da
DK		 3978
3979 filter_wiphy = state.filter_wiphy;
3980
3981 /*
3982 * if filtering, set cb->args[2] to +1 since 0 is the default
3983 * value needed to determine that parsing is necessary.
3984 */
3985 if (filter_wiphy >= 0)
3986 cb->args[2] = filter_wiphy + 1;
3987 else
3988 cb->args[2] = -1;
3989 } else if (cb->args[2] > 0) {
3990 filter_wiphy = cb->args[2] - 1;
3991 }
3992
7483a214 3993 for_each_rdev(rdev) {
f5ea9120 3994 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3995 continue;
bba95fef
JB		 3996 if (wp_idx < wp_start) {
3997 wp_idx++;
55682965 3998 continue;
bba95fef 3999 }
b7fb44da
DK		 4000
4001 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
4002 continue;
4003
55682965
JB		 4004 if_idx = 0;
4005
10331767 4006 wiphy_lock(&rdev->wiphy);
53873f13 4007 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
bba95fef
JB		 4008 if (if_idx < if_start) {
4009 if_idx++;
55682965 4010 continue;
bba95fef 4011 }
15e47304 4012 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
55682965 4013 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3d1a5bbf
AZ		 4014 rdev, wdev,
4015 NL80211_CMD_NEW_INTERFACE) < 0) {
10331767 4016 wiphy_unlock(&rdev->wiphy);
bba95fef
JB		 4017 goto out;
4018 }
4019 if_idx++;
55682965 4020 }
10331767 4021 wiphy_unlock(&rdev->wiphy);
bba95fef 4022
a6e4f85d 4023 if_start = 0;
bba95fef 4024 wp_idx++;
55682965 4025 }
bba95fef 4026 out:
55682965
JB		 4027 cb->args[0] = wp_idx;
4028 cb->args[1] = if_idx;
4029
ea90e0dc
JB		 4030 ret = skb->len;
4031 out_unlock:
4032 rtnl_unlock();
4033
4034 return ret;
55682965
JB		 4035}
4036
4037static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
4038{
4039 struct sk_buff *msg;
1b8ec87a 4040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
72fb2abc 4041 struct wireless_dev *wdev = info->user_ptr[1];
55682965 4042
fd2120ca 4043 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965 4044 if (!msg)
4c476991 4045 return -ENOMEM;
55682965 4046
15e47304 4047 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 4048 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4c476991
JB		 4049 nlmsg_free(msg);
4050 return -ENOBUFS;
4051 }
55682965 4052
134e6375 4053 return genlmsg_reply(msg, info);
55682965
JB		 4054}
4055
66f7ac50
MW		 4056static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
4057 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
4058 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
4059 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
4060 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
4061 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
e057d3c3 4062 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
66f7ac50
MW		 4063};
4064
4065static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
4066{
4067 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
4068 int flag;
4069
4070 *mntrflags = 0;
4071
4072 if (!nla)
4073 return -EINVAL;
4074
8cb08174 4075 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
66f7ac50
MW		 4076 return -EINVAL;
4077
4078 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
4079 if (flags[flag])
4080 *mntrflags |= (1<<flag);
4081
818a986e
JB		 4082 *mntrflags |= MONITOR_FLAG_CHANGED;
4083
66f7ac50
MW		 4084 return 0;
4085}
4086
1db77596
JB		 4087static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
4088 enum nl80211_iftype type,
4089 struct genl_info *info,
4090 struct vif_params *params)
4091{
4092 bool change = false;
4093 int err;
4094
4095 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
4096 if (type != NL80211_IFTYPE_MONITOR)
4097 return -EINVAL;
4098
4099 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
4100 &params->flags);
4101 if (err)
4102 return err;
4103
4104 change = true;
4105 }
4106
4107 if (params->flags & MONITOR_FLAG_ACTIVE &&
4108 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
4109 return -EOPNOTSUPP;
4110
4111 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
4112 const u8 *mumimo_groups;
4113 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4114
4115 if (type != NL80211_IFTYPE_MONITOR)
4116 return -EINVAL;
4117
4118 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4119 return -EOPNOTSUPP;
4120
4121 mumimo_groups =
4122 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
4123
4124 /* bits 0 and 63 are reserved and must be zero */
4954601f
JB		 4125 if ((mumimo_groups[0] & BIT(0)) ||
4126 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
1db77596
JB		 4127 return -EINVAL;
4128
4129 params->vht_mumimo_groups = mumimo_groups;
4130 change = true;
4131 }
4132
4133 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
4134 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4135
4136 if (type != NL80211_IFTYPE_MONITOR)
4137 return -EINVAL;
4138
4139 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4140 return -EOPNOTSUPP;
4141
4142 params->vht_mumimo_follow_addr =
4143 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
4144 change = true;
4145 }
4146
4147 return change ? 1 : 0;
4148}
4149
9bc383de 4150static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
ad4bb6f8
JB		 4151 struct net_device *netdev, u8 use_4addr,
4152 enum nl80211_iftype iftype)
9bc383de 4153{
ad4bb6f8 4154 if (!use_4addr) {
2e92a2d0 4155 if (netdev && netif_is_bridge_port(netdev))
ad4bb6f8 4156 return -EBUSY;
9bc383de 4157 return 0;
ad4bb6f8 4158 }
9bc383de
JB		 4159
4160 switch (iftype) {
4161 case NL80211_IFTYPE_AP_VLAN:
4162 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
4163 return 0;
4164 break;
4165 case NL80211_IFTYPE_STATION:
4166 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
4167 return 0;
4168 break;
4169 default:
4170 break;
4171 }
4172
4173 return -EOPNOTSUPP;
4174}
4175
55682965
JB		 4176static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
4177{
4c476991 4178 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 4179 struct vif_params params;
e36d56b6 4180 int err;
04a773ad 4181 enum nl80211_iftype otype, ntype;
4c476991 4182 struct net_device *dev = info->user_ptr[1];
ac7f9cfa 4183 bool change = false;
55682965 4184
2ec600d6
LCC		 4185 memset(&params, 0, sizeof(params));
4186
04a773ad 4187 otype = ntype = dev->ieee80211_ptr->iftype;
55682965 4188
723b038d 4189 if (info->attrs[NL80211_ATTR_IFTYPE]) {
ac7f9cfa 4190 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
04a773ad 4191 if (otype != ntype)
ac7f9cfa 4192 change = true;
723b038d
JB		 4193 }
4194
92ffe055 4195 if (info->attrs[NL80211_ATTR_MESH_ID]) {
29cbe68c
JB		 4196 struct wireless_dev *wdev = dev->ieee80211_ptr;
4197
4c476991
JB		 4198 if (ntype != NL80211_IFTYPE_MESH_POINT)
4199 return -EINVAL;
f78c1375
JB		 4200 if (otype != NL80211_IFTYPE_MESH_POINT)
4201 return -EINVAL;
29cbe68c
JB		 4202 if (netif_running(dev))
4203 return -EBUSY;
4204
29cbe68c
JB		 4205 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4206 IEEE80211_MAX_MESH_ID_LEN);
7b0a0e3c 4207 wdev->u.mesh.id_up_len =
29cbe68c 4208 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
7b0a0e3c
JB		 4209 memcpy(wdev->u.mesh.id,
4210 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4211 wdev->u.mesh.id_up_len);
2ec600d6
LCC		 4212 }
4213
8b787643
FF		 4214 if (info->attrs[NL80211_ATTR_4ADDR]) {
4215 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4216 change = true;
ad4bb6f8 4217 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
9bc383de 4218 if (err)
4c476991 4219 return err;
8b787643
FF		 4220 } else {
4221 params.use_4addr = -1;
4222 }
4223
1db77596
JB		 4224 err = nl80211_parse_mon_options(rdev, ntype, info, &params);
4225 if (err < 0)
4226 return err;
4227 if (err > 0)
c6e6a0c8 4228 change = true;
e057d3c3 4229
ac7f9cfa 4230 if (change)
818a986e 4231 err = cfg80211_change_iface(rdev, dev, ntype, &params);
ac7f9cfa
JB		 4232 else
4233 err = 0;
60719ffd 4234
9bc383de
JB		 4235 if (!err && params.use_4addr != -1)
4236 dev->ieee80211_ptr->use_4addr = params.use_4addr;
4237
3d1a5bbf
AZ		 4238 if (change && !err) {
4239 struct wireless_dev *wdev = dev->ieee80211_ptr;
4240
4241 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
4242 }
4243
55682965
JB		 4244 return err;
4245}
4246
ea6b2098 4247static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
55682965 4248{
4c476991 4249 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 4250 struct vif_params params;
84efbb84 4251 struct wireless_dev *wdev;
896ff063 4252 struct sk_buff *msg;
55682965
JB		 4253 int err;
4254 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
4255
2ec600d6
LCC		 4256 memset(&params, 0, sizeof(params));
4257
55682965
JB		 4258 if (!info->attrs[NL80211_ATTR_IFNAME])
4259 return -EINVAL;
4260
ab0d76f6 4261 if (info->attrs[NL80211_ATTR_IFTYPE])
55682965 4262 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
55682965 4263
33d915d9 4264 if (!rdev->ops->add_virtual_intf)
4c476991 4265 return -EOPNOTSUPP;
55682965 4266
cb3b7d87 4267 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
e8f479b1
BG		 4268 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
4269 info->attrs[NL80211_ATTR_MAC]) {
1c18f145
AS		 4270 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
4271 ETH_ALEN);
4272 if (!is_valid_ether_addr(params.macaddr))
4273 return -EADDRNOTAVAIL;
4274 }
4275
9bc383de 4276 if (info->attrs[NL80211_ATTR_4ADDR]) {
8b787643 4277 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
ad4bb6f8 4278 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
9bc383de 4279 if (err)
4c476991 4280 return err;
9bc383de 4281 }
8b787643 4282
e6f40511 4283 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
33d915d9
MP		 4284 return -EOPNOTSUPP;
4285
1db77596
JB		 4286 err = nl80211_parse_mon_options(rdev, type, info, &params);
4287 if (err < 0)
4288 return err;
e057d3c3 4289
a18c7192
JB		 4290 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4291 if (!msg)
4292 return -ENOMEM;
4293
e35e4d28
HG		 4294 wdev = rdev_add_virtual_intf(rdev,
4295 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
818a986e 4296 NET_NAME_USER, type, &params);
d687cbb7
RM		 4297 if (WARN_ON(!wdev)) {
4298 nlmsg_free(msg);
4299 return -EPROTO;
4300 } else if (IS_ERR(wdev)) {
1c90f9d4 4301 nlmsg_free(msg);
84efbb84 4302 return PTR_ERR(wdev);
1c90f9d4 4303 }
2ec600d6 4304
18e5ca65 4305 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
78f22b6a
JB		 4306 wdev->owner_nlportid = info->snd_portid;
4307
98104fde
JB		 4308 switch (type) {
4309 case NL80211_IFTYPE_MESH_POINT:
4310 if (!info->attrs[NL80211_ATTR_MESH_ID])
4311 break;
29cbe68c
JB		 4312 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4313 IEEE80211_MAX_MESH_ID_LEN);
7b0a0e3c 4314 wdev->u.mesh.id_up_len =
29cbe68c 4315 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
7b0a0e3c
JB		 4316 memcpy(wdev->u.mesh.id,
4317 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4318 wdev->u.mesh.id_up_len);
98104fde 4319 break;
cb3b7d87 4320 case NL80211_IFTYPE_NAN:
98104fde
JB		 4321 case NL80211_IFTYPE_P2P_DEVICE:
4322 /*
cb3b7d87 4323 * P2P Device and NAN do not have a netdev, so don't go
98104fde
JB		 4324 * through the netdev notifier and must be added here
4325 */
9bdaf3b9
JB		 4326 cfg80211_init_wdev(wdev);
4327 cfg80211_register_wdev(rdev, wdev);
98104fde
JB		 4328 break;
4329 default:
4330 break;
29cbe68c
JB		 4331 }
4332
15e47304 4333 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 4334 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
1c90f9d4
JB		 4335 nlmsg_free(msg);
4336 return -ENOBUFS;
4337 }
4338
4339 return genlmsg_reply(msg, info);
55682965
JB		 4340}
4341
ea6b2098
JB		 4342static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4343{
4344 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4345 int ret;
4346
4347 /* to avoid failing a new interface creation due to pending removal */
4348 cfg80211_destroy_ifaces(rdev);
4349
4350 wiphy_lock(&rdev->wiphy);
4351 ret = _nl80211_new_interface(skb, info);
4352 wiphy_unlock(&rdev->wiphy);
4353
4354 return ret;
4355}
4356
55682965
JB		 4357static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4358{
4c476991 4359 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84efbb84 4360 struct wireless_dev *wdev = info->user_ptr[1];
55682965 4361
4c476991
JB		 4362 if (!rdev->ops->del_virtual_intf)
4363 return -EOPNOTSUPP;
55682965 4364
a05829a7
JB		 4365 /*
4366 * We hold RTNL, so this is safe, without RTNL opencount cannot
4367 * reach 0, and thus the rdev cannot be deleted.
4368 *
4369 * We need to do it for the dev_close(), since that will call
4370 * the netdev notifiers, and we need to acquire the mutex there
4371 * but don't know if we get there from here or from some other
4372 * place (e.g. "ip link set ... down").
4373 */
4374 mutex_unlock(&rdev->wiphy.mtx);
4375
84efbb84
JB		 4376 /*
4377 * If we remove a wireless device without a netdev then clear
4378 * user_ptr[1] so that nl80211_post_doit won't dereference it
4379 * to check if it needs to do dev_put(). Otherwise it crashes
4380 * since the wdev has been freed, unlike with a netdev where
4381 * we need the dev_put() for the netdev to really be freed.
4382 */
4383 if (!wdev->netdev)
4384 info->user_ptr[1] = NULL;
a05829a7
JB		 4385 else
4386 dev_close(wdev->netdev);
4387
4388 mutex_lock(&rdev->wiphy.mtx);
84efbb84 4389
cdf0a0a8 4390 return cfg80211_remove_virtual_intf(rdev, wdev);
55682965
JB		 4391}
4392
1d9d9213
SW		 4393static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4394{
4395 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4396 struct net_device *dev = info->user_ptr[1];
4397 u16 noack_map;
4398
4399 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4400 return -EINVAL;
4401
4402 if (!rdev->ops->set_noack_map)
4403 return -EOPNOTSUPP;
4404
4405 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4406
e35e4d28 4407 return rdev_set_noack_map(rdev, dev, noack_map);
1d9d9213
SW		 4408}
4409
e7a7b84e
VJ		 4410static int nl80211_validate_key_link_id(struct genl_info *info,
4411 struct wireless_dev *wdev,
4412 int link_id, bool pairwise)
4413{
4414 if (pairwise) {
4415 if (link_id != -1) {
4416 GENL_SET_ERR_MSG(info,
4417 "link ID not allowed for pairwise key");
4418 return -EINVAL;
4419 }
4420
4421 return 0;
4422 }
4423
4424 if (wdev->valid_links) {
4425 if (link_id == -1) {
4426 GENL_SET_ERR_MSG(info,
4427 "link ID must for MLO group key");
4428 return -EINVAL;
4429 }
4430 if (!(wdev->valid_links & BIT(link_id))) {
4431 GENL_SET_ERR_MSG(info, "invalid link ID for MLO group key");
4432 return -EINVAL;
4433 }
4434 } else if (link_id != -1) {
4435 GENL_SET_ERR_MSG(info, "link ID not allowed for non-MLO group key");
4436 return -EINVAL;
4437 }
4438
4439 return 0;
4440}
4441
41ade00f
JB		 4442struct get_key_cookie {
4443 struct sk_buff *msg;
4444 int error;
b9454e83 4445 int idx;
41ade00f
JB		 4446};
4447
4448static void get_key_callback(void *c, struct key_params *params)
4449{
b9454e83 4450 struct nlattr *key;
41ade00f
JB		 4451 struct get_key_cookie *cookie = c;
4452
9360ffd1
DM		 4453 if ((params->key &&
4454 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4455 params->key_len, params->key)) ||
4456 (params->seq &&
4457 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4458 params->seq_len, params->seq)) ||
4459 (params->cipher &&
4460 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4461 params->cipher)))
4462 goto nla_put_failure;
41ade00f 4463
ae0be8de 4464 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
b9454e83
JB		 4465 if (!key)
4466 goto nla_put_failure;
4467
9360ffd1
DM		 4468 if ((params->key &&
4469 nla_put(cookie->msg, NL80211_KEY_DATA,
4470 params->key_len, params->key)) ||
4471 (params->seq &&
4472 nla_put(cookie->msg, NL80211_KEY_SEQ,
4473 params->seq_len, params->seq)) ||
4474 (params->cipher &&
4475 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4476 params->cipher)))
4477 goto nla_put_failure;
b9454e83 4478
efdfce72 4479 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
9360ffd1 4480 goto nla_put_failure;
b9454e83
JB		 4481
4482 nla_nest_end(cookie->msg, key);
4483
41ade00f
JB		 4484 return;
4485 nla_put_failure:
4486 cookie->error = 1;
4487}
4488
4489static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4490{
4c476991 4491 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4492 int err;
4c476991 4493 struct net_device *dev = info->user_ptr[1];
41ade00f 4494 u8 key_idx = 0;
e31b8213
JB		 4495 const u8 *mac_addr = NULL;
4496 bool pairwise;
41ade00f
JB		 4497 struct get_key_cookie cookie = {
4498 .error = 0,
4499 };
4500 void *hdr;
4501 struct sk_buff *msg;
155d7c73 4502 bool bigtk_support = false;
e7a7b84e
VJ		 4503 int link_id = nl80211_link_id_or_invalid(info->attrs);
4504 struct wireless_dev *wdev = dev->ieee80211_ptr;
155d7c73
JB		 4505
4506 if (wiphy_ext_feature_isset(&rdev->wiphy,
4507 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4508 bigtk_support = true;
4509
e7a7b84e
VJ		 4510 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
4511 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
155d7c73
JB		 4512 wiphy_ext_feature_isset(&rdev->wiphy,
4513 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4514 bigtk_support = true;
41ade00f 4515
56be393f 4516 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
41ade00f 4517 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
155d7c73
JB		 4518
4519 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4520 GENL_SET_ERR_MSG(info, "BIGTK not supported");
56be393f 4521 return -EINVAL;
155d7c73 4522 }
56be393f 4523 }
41ade00f 4524
41ade00f
JB		 4525 if (info->attrs[NL80211_ATTR_MAC])
4526 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4527
e31b8213
JB		 4528 pairwise = !!mac_addr;
4529 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4530 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
7a087e74 4531
e31b8213
JB		 4532 if (kt != NL80211_KEYTYPE_GROUP &&
4533 kt != NL80211_KEYTYPE_PAIRWISE)
4534 return -EINVAL;
4535 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4536 }
4537
4c476991
JB		 4538 if (!rdev->ops->get_key)
4539 return -EOPNOTSUPP;
41ade00f 4540
0fa7b391
JB		 4541 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4542 return -ENOENT;
4543
fd2120ca 4544 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 4545 if (!msg)
4546 return -ENOMEM;
41ade00f 4547
15e47304 4548 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
41ade00f 4549 NL80211_CMD_NEW_KEY);
cb35fba3 4550 if (!hdr)
9fe271af 4551 goto nla_put_failure;
41ade00f
JB		 4552
4553 cookie.msg = msg;
b9454e83 4554 cookie.idx = key_idx;
41ade00f 4555
9360ffd1
DM		 4556 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4557 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4558 goto nla_put_failure;
4559 if (mac_addr &&
4560 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4561 goto nla_put_failure;
41ade00f 4562
e7a7b84e
VJ		 4563 err = nl80211_validate_key_link_id(info, wdev, link_id, pairwise);
4564 if (err)
4565 goto free_msg;
4566
4567 err = rdev_get_key(rdev, dev, link_id, key_idx, pairwise, mac_addr,
4568 &cookie, get_key_callback);
41ade00f
JB		 4569
4570 if (err)
6c95e2a2 4571 goto free_msg;
41ade00f
JB		 4572
4573 if (cookie.error)
4574 goto nla_put_failure;
4575
4576 genlmsg_end(msg, hdr);
4c476991 4577 return genlmsg_reply(msg, info);
41ade00f
JB		 4578
4579 nla_put_failure:
4580 err = -ENOBUFS;
6c95e2a2 4581 free_msg:
41ade00f 4582 nlmsg_free(msg);
41ade00f
JB		 4583 return err;
4584}
4585
4586static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4587{
4c476991 4588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
b9454e83 4589 struct key_parse key;
41ade00f 4590 int err;
4c476991 4591 struct net_device *dev = info->user_ptr[1];
e7a7b84e
VJ		 4592 int link_id = nl80211_link_id_or_invalid(info->attrs);
4593 struct wireless_dev *wdev = dev->ieee80211_ptr;
41ade00f 4594
b9454e83
JB		 4595 err = nl80211_parse_key(info, &key);
4596 if (err)
4597 return err;
41ade00f 4598
b9454e83 4599 if (key.idx < 0)
41ade00f
JB		 4600 return -EINVAL;
4601
6cdd3979
AW		 4602 /* Only support setting default key and
4603 * Extended Key ID action NL80211_KEY_SET_TX.
4604 */
56be393f 4605 if (!key.def && !key.defmgmt && !key.defbeacon &&
6cdd3979 4606 !(key.p.mode == NL80211_KEY_SET_TX))
41ade00f
JB		 4607 return -EINVAL;
4608
dbd2fd65 4609 if (key.def) {
076fc877
JB		 4610 if (!rdev->ops->set_default_key)
4611 return -EOPNOTSUPP;
41ade00f 4612
e7a7b84e
VJ		 4613 err = nl80211_key_allowed(wdev);
4614 if (err)
076fc877 4615 return err;
e7a7b84e
VJ		 4616
4617 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
dbd2fd65 4618 if (err)
076fc877 4619 return err;
dbd2fd65 4620
e7a7b84e
VJ		 4621 err = rdev_set_default_key(rdev, dev, link_id, key.idx,
4622 key.def_uni, key.def_multi);
dbd2fd65
JB		 4623
4624 if (err)
076fc877 4625 return err;
fffd0934 4626
3d23e349 4627#ifdef CONFIG_CFG80211_WEXT
e7a7b84e 4628 wdev->wext.default_key = key.idx;
dbd2fd65 4629#endif
076fc877 4630 return 0;
6cdd3979 4631 } else if (key.defmgmt) {
076fc877
JB		 4632 if (key.def_uni || !key.def_multi)
4633 return -EINVAL;
dbd2fd65 4634
076fc877
JB		 4635 if (!rdev->ops->set_default_mgmt_key)
4636 return -EOPNOTSUPP;
dbd2fd65 4637
e7a7b84e
VJ		 4638 err = nl80211_key_allowed(wdev);
4639 if (err)
076fc877 4640 return err;
e7a7b84e
VJ		 4641
4642 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
dbd2fd65 4643 if (err)
076fc877 4644 return err;
dbd2fd65 4645
e7a7b84e 4646 err = rdev_set_default_mgmt_key(rdev, dev, link_id, key.idx);
dbd2fd65 4647 if (err)
076fc877 4648 return err;
dbd2fd65
JB		 4649
4650#ifdef CONFIG_CFG80211_WEXT
e7a7b84e 4651 wdev->wext.default_mgmt_key = key.idx;
08645126 4652#endif
076fc877 4653 return 0;
56be393f 4654 } else if (key.defbeacon) {
076fc877
JB		 4655 if (key.def_uni || !key.def_multi)
4656 return -EINVAL;
56be393f 4657
076fc877
JB		 4658 if (!rdev->ops->set_default_beacon_key)
4659 return -EOPNOTSUPP;
56be393f 4660
e7a7b84e 4661 err = nl80211_key_allowed(wdev);
56be393f 4662 if (err)
076fc877 4663 return err;
56be393f 4664
e7a7b84e
VJ		 4665 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4666 if (err)
076fc877 4667 return err;
e7a7b84e 4668
076fc877 4669 return rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
6cdd3979
AW		 4670 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4671 wiphy_ext_feature_isset(&rdev->wiphy,
4672 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4673 u8 *mac_addr = NULL;
4674
4675 if (info->attrs[NL80211_ATTR_MAC])
4676 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4677
076fc877
JB		 4678 if (!mac_addr || key.idx < 0 || key.idx > 1)
4679 return -EINVAL;
dbd2fd65 4680
e7a7b84e
VJ		 4681 err = nl80211_validate_key_link_id(info, wdev, link_id, true);
4682 if (err)
076fc877 4683 return err;
e7a7b84e 4684
076fc877
JB		 4685 return rdev_add_key(rdev, dev, link_id, key.idx,
4686 NL80211_KEYTYPE_PAIRWISE,
4687 mac_addr, &key.p);
6cdd3979 4688 }
41ade00f 4689
076fc877 4690 return -EINVAL;
41ade00f
JB		 4691}
4692
4693static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4694{
4c476991 4695 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fffd0934 4696 int err;
4c476991 4697 struct net_device *dev = info->user_ptr[1];
b9454e83 4698 struct key_parse key;
e31b8213 4699 const u8 *mac_addr = NULL;
e7a7b84e
VJ		 4700 int link_id = nl80211_link_id_or_invalid(info->attrs);
4701 struct wireless_dev *wdev = dev->ieee80211_ptr;
41ade00f 4702
b9454e83
JB		 4703 err = nl80211_parse_key(info, &key);
4704 if (err)
4705 return err;
41ade00f 4706
f8af764b
JM		 4707 if (!key.p.key) {
4708 GENL_SET_ERR_MSG(info, "no key");
41ade00f 4709 return -EINVAL;
f8af764b 4710 }
41ade00f 4711
41ade00f
JB		 4712 if (info->attrs[NL80211_ATTR_MAC])
4713 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4714
e31b8213
JB		 4715 if (key.type == -1) {
4716 if (mac_addr)
4717 key.type = NL80211_KEYTYPE_PAIRWISE;
4718 else
4719 key.type = NL80211_KEYTYPE_GROUP;
4720 }
4721
4722 /* for now */
4723 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
f8af764b
JM		 4724 key.type != NL80211_KEYTYPE_GROUP) {
4725 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
e31b8213 4726 return -EINVAL;
f8af764b 4727 }
e31b8213 4728
14f34e36
GG		 4729 if (key.type == NL80211_KEYTYPE_GROUP &&
4730 info->attrs[NL80211_ATTR_VLAN_ID])
4731 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4732
4c476991
JB		 4733 if (!rdev->ops->add_key)
4734 return -EOPNOTSUPP;
25e47c18 4735
e31b8213
JB		 4736 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4737 key.type == NL80211_KEYTYPE_PAIRWISE,
f8af764b
JM		 4738 mac_addr)) {
4739 GENL_SET_ERR_MSG(info, "key setting validation failed");
4c476991 4740 return -EINVAL;
f8af764b 4741 }
41ade00f 4742
e7a7b84e 4743 err = nl80211_key_allowed(wdev);
f8af764b
JM		 4744 if (err)
4745 GENL_SET_ERR_MSG(info, "key not allowed");
e7a7b84e
VJ		 4746
4747 if (!err)
4748 err = nl80211_validate_key_link_id(info, wdev, link_id,
4749 key.type == NL80211_KEYTYPE_PAIRWISE);
4750
f8af764b 4751 if (!err) {
e7a7b84e 4752 err = rdev_add_key(rdev, dev, link_id, key.idx,
e35e4d28
HG		 4753 key.type == NL80211_KEYTYPE_PAIRWISE,
4754 mac_addr, &key.p);
f8af764b
JM		 4755 if (err)
4756 GENL_SET_ERR_MSG(info, "key addition failed");
4757 }
41ade00f 4758
41ade00f
JB		 4759 return err;
4760}
4761
4762static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4763{
4c476991 4764 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4765 int err;
4c476991 4766 struct net_device *dev = info->user_ptr[1];
41ade00f 4767 u8 *mac_addr = NULL;
b9454e83 4768 struct key_parse key;
e7a7b84e
VJ		 4769 int link_id = nl80211_link_id_or_invalid(info->attrs);
4770 struct wireless_dev *wdev = dev->ieee80211_ptr;
41ade00f 4771
b9454e83
JB		 4772 err = nl80211_parse_key(info, &key);
4773 if (err)
4774 return err;
41ade00f
JB		 4775
4776 if (info->attrs[NL80211_ATTR_MAC])
4777 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4778
e31b8213
JB		 4779 if (key.type == -1) {
4780 if (mac_addr)
4781 key.type = NL80211_KEYTYPE_PAIRWISE;
4782 else
4783 key.type = NL80211_KEYTYPE_GROUP;
4784 }
4785
4786 /* for now */
4787 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4788 key.type != NL80211_KEYTYPE_GROUP)
4789 return -EINVAL;
4790
2d946308
AT		 4791 if (!cfg80211_valid_key_idx(rdev, key.idx,
4792 key.type == NL80211_KEYTYPE_PAIRWISE))
4793 return -EINVAL;
4794
4c476991
JB		 4795 if (!rdev->ops->del_key)
4796 return -EOPNOTSUPP;
41ade00f 4797
e7a7b84e 4798 err = nl80211_key_allowed(wdev);
e31b8213 4799
0fa7b391 4800 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
e31b8213
JB		 4801 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4802 err = -ENOENT;
4803
fffd0934 4804 if (!err)
e7a7b84e
VJ		 4805 err = nl80211_validate_key_link_id(info, wdev, link_id,
4806 key.type == NL80211_KEYTYPE_PAIRWISE);
4807
4808 if (!err)
4809 err = rdev_del_key(rdev, dev, link_id, key.idx,
e35e4d28
HG		 4810 key.type == NL80211_KEYTYPE_PAIRWISE,
4811 mac_addr);
41ade00f 4812
3d23e349 4813#ifdef CONFIG_CFG80211_WEXT
08645126 4814 if (!err) {
e7a7b84e
VJ		 4815 if (key.idx == wdev->wext.default_key)
4816 wdev->wext.default_key = -1;
4817 else if (key.idx == wdev->wext.default_mgmt_key)
4818 wdev->wext.default_mgmt_key = -1;
08645126
JB		 4819 }
4820#endif
4821
41ade00f
JB		 4822 return err;
4823}
4824
77765eaf
VT		 4825/* This function returns an error or the number of nested attributes */
4826static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4827{
4828 struct nlattr *attr;
4829 int n_entries = 0, tmp;
4830
4831 nla_for_each_nested(attr, nl_attr, tmp) {
4832 if (nla_len(attr) != ETH_ALEN)
4833 return -EINVAL;
4834
4835 n_entries++;
4836 }
4837
4838 return n_entries;
4839}
4840
4841/*
4842 * This function parses ACL information and allocates memory for ACL data.
4843 * On successful return, the calling function is responsible to free the
4844 * ACL buffer returned by this function.
4845 */
4846static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4847 struct genl_info *info)
4848{
4849 enum nl80211_acl_policy acl_policy;
4850 struct nlattr *attr;
4851 struct cfg80211_acl_data *acl;
4852 int i = 0, n_entries, tmp;
4853
4854 if (!wiphy->max_acl_mac_addrs)
4855 return ERR_PTR(-EOPNOTSUPP);
4856
4857 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4858 return ERR_PTR(-EINVAL);
4859
4860 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4861 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4862 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4863 return ERR_PTR(-EINVAL);
4864
4865 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4866 return ERR_PTR(-EINVAL);
4867
4868 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4869 if (n_entries < 0)
4870 return ERR_PTR(n_entries);
4871
4872 if (n_entries > wiphy->max_acl_mac_addrs)
f6289e5d 4873 return ERR_PTR(-EOPNOTSUPP);
77765eaf 4874
391d132c 4875 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
77765eaf
VT		 4876 if (!acl)
4877 return ERR_PTR(-ENOMEM);
93ca8244 4878 acl->n_acl_entries = n_entries;
77765eaf
VT		 4879
4880 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4881 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4882 i++;
4883 }
77765eaf
VT		 4884 acl->acl_policy = acl_policy;
4885
4886 return acl;
4887}
4888
4889static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4890{
4891 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4892 struct net_device *dev = info->user_ptr[1];
4893 struct cfg80211_acl_data *acl;
4894 int err;
4895
4896 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4897 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4898 return -EOPNOTSUPP;
4899
7b0a0e3c 4900 if (!dev->ieee80211_ptr->links[0].ap.beacon_interval)
77765eaf
VT		 4901 return -EINVAL;
4902
4903 acl = parse_acl_data(&rdev->wiphy, info);
4904 if (IS_ERR(acl))
4905 return PTR_ERR(acl);
4906
4907 err = rdev_set_mac_acl(rdev, dev, acl);
4908
4909 kfree(acl);
4910
4911 return err;
4912}
4913
a7c7fbff
PK		 4914static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4915 u8 *rates, u8 rates_len)
4916{
4917 u8 i;
4918 u32 mask = 0;
4919
4920 for (i = 0; i < rates_len; i++) {
4921 int rate = (rates[i] & 0x7f) * 5;
4922 int ridx;
4923
4924 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4925 struct ieee80211_rate *srate =
4926 &sband->bitrates[ridx];
4927 if (rate == srate->bitrate) {
4928 mask |= 1 << ridx;
4929 break;
4930 }
4931 }
4932 if (ridx == sband->n_bitrates)
4933 return 0; /* rate not found */
4934 }
4935
4936 return mask;
4937}
4938
4939static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4940 u8 *rates, u8 rates_len,
4941 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4942{
4943 u8 i;
4944
4945 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4946
4947 for (i = 0; i < rates_len; i++) {
4948 int ridx, rbit;
4949
4950 ridx = rates[i] / 8;
4951 rbit = BIT(rates[i] % 8);
4952
4953 /* check validity */
4954 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4955 return false;
4956
4957 /* check availability */
30fe6d50 4958 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
a7c7fbff
PK		 4959 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4960 mcs[ridx] |= rbit;
4961 else
4962 return false;
4963 }
4964
4965 return true;
4966}
4967
4968static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4969{
4970 u16 mcs_mask = 0;
4971
4972 switch (vht_mcs_map) {
4973 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4974 break;
4975 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4976 mcs_mask = 0x00FF;
4977 break;
4978 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4979 mcs_mask = 0x01FF;
4980 break;
4981 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4982 mcs_mask = 0x03FF;
4983 break;
4984 default:
4985 break;
4986 }
4987
4988 return mcs_mask;
4989}
4990
4991static void vht_build_mcs_mask(u16 vht_mcs_map,
4992 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4993{
4994 u8 nss;
4995
4996 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4997 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4998 vht_mcs_map >>= 2;
4999 }
5000}
5001
5002static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
5003 struct nl80211_txrate_vht *txrate,
5004 u16 mcs[NL80211_VHT_NSS_MAX])
5005{
5006 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5007 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
5008 u8 i;
5009
5010 if (!sband->vht_cap.vht_supported)
5011 return false;
5012
5013 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
5014
5015 /* Build vht_mcs_mask from VHT capabilities */
5016 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5017
5018 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5019 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5020 mcs[i] = txrate->mcs[i];
5021 else
5022 return false;
5023 }
5024
5025 return true;
5026}
5027
eb89a6a6
MH		 5028static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
5029{
5030 switch (he_mcs_map) {
5031 case IEEE80211_HE_MCS_NOT_SUPPORTED:
5032 return 0;
5033 case IEEE80211_HE_MCS_SUPPORT_0_7:
5034 return 0x00FF;
5035 case IEEE80211_HE_MCS_SUPPORT_0_9:
5036 return 0x03FF;
5037 case IEEE80211_HE_MCS_SUPPORT_0_11:
5038 return 0xFFF;
5039 default:
5040 break;
5041 }
5042 return 0;
5043}
5044
5045static void he_build_mcs_mask(u16 he_mcs_map,
5046 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
5047{
5048 u8 nss;
5049
5050 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
5051 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
5052 he_mcs_map >>= 2;
5053 }
5054}
5055
7b0a0e3c 5056static u16 he_get_txmcsmap(struct genl_info *info, unsigned int link_id,
eb89a6a6
MH		 5057 const struct ieee80211_sta_he_cap *he_cap)
5058{
5059 struct net_device *dev = info->user_ptr[1];
5060 struct wireless_dev *wdev = dev->ieee80211_ptr;
7b0a0e3c
JB		 5061 struct cfg80211_chan_def *chandef;
5062 __le16 tx_mcs;
eb89a6a6 5063
7b0a0e3c
JB		 5064 chandef = wdev_chandef(wdev, link_id);
5065 if (!chandef) {
5066 /*
5067 * This is probably broken, but we never maintained
5068 * a chandef in these cases, so it always was.
5069 */
5070 return le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
5071 }
5072
5073 switch (chandef->width) {
eb89a6a6
MH		 5074 case NL80211_CHAN_WIDTH_80P80:
5075 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
5076 break;
5077 case NL80211_CHAN_WIDTH_160:
5078 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
5079 break;
5080 default:
5081 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
5082 break;
5083 }
7b0a0e3c 5084
eb89a6a6
MH		 5085 return le16_to_cpu(tx_mcs);
5086}
5087
5088static bool he_set_mcs_mask(struct genl_info *info,
5089 struct wireless_dev *wdev,
5090 struct ieee80211_supported_band *sband,
5091 struct nl80211_txrate_he *txrate,
7b0a0e3c
JB		 5092 u16 mcs[NL80211_HE_NSS_MAX],
5093 unsigned int link_id)
eb89a6a6
MH		 5094{
5095 const struct ieee80211_sta_he_cap *he_cap;
5096 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
5097 u16 tx_mcs_map = 0;
5098 u8 i;
5099
5100 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5101 if (!he_cap)
5102 return false;
5103
5104 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
5105
7b0a0e3c 5106 tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
eb89a6a6
MH		 5107
5108 /* Build he_mcs_mask from HE capabilities */
5109 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5110
5111 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5112 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5113 mcs[i] = txrate->mcs[i];
5114 else
5115 return false;
5116 }
5117
5118 return true;
5119}
5120
a7c7fbff 5121static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
9a5f6488
TC		 5122 struct nlattr *attrs[],
5123 enum nl80211_attrs attr,
eb89a6a6 5124 struct cfg80211_bitrate_mask *mask,
857b34c4 5125 struct net_device *dev,
7b0a0e3c
JB		 5126 bool default_all_enabled,
5127 unsigned int link_id)
a7c7fbff
PK		 5128{
5129 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5130 struct cfg80211_registered_device *rdev = info->user_ptr[0];
eb89a6a6 5131 struct wireless_dev *wdev = dev->ieee80211_ptr;
a7c7fbff
PK		 5132 int rem, i;
5133 struct nlattr *tx_rates;
5134 struct ieee80211_supported_band *sband;
eb89a6a6 5135 u16 vht_tx_mcs_map, he_tx_mcs_map;
a7c7fbff
PK		 5136
5137 memset(mask, 0, sizeof(*mask));
5138 /* Default to all rates enabled */
5139 for (i = 0; i < NUM_NL80211_BANDS; i++) {
eb89a6a6
MH		 5140 const struct ieee80211_sta_he_cap *he_cap;
5141
857b34c4
RM		 5142 if (!default_all_enabled)
5143 break;
5144
a7c7fbff
PK		 5145 sband = rdev->wiphy.bands[i];
5146
5147 if (!sband)
5148 continue;
5149
5150 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
5151 memcpy(mask->control[i].ht_mcs,
5152 sband->ht_cap.mcs.rx_mask,
5153 sizeof(mask->control[i].ht_mcs));
5154
9df66d5b
PKS		 5155 if (sband->vht_cap.vht_supported) {
5156 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5157 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
5158 }
eb89a6a6
MH		 5159
5160 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5161 if (!he_cap)
5162 continue;
5163
7b0a0e3c 5164 he_tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
eb89a6a6
MH		 5165 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
5166
5167 mask->control[i].he_gi = 0xFF;
5168 mask->control[i].he_ltf = 0xFF;
a7c7fbff
PK		 5169 }
5170
5171 /* if no rates are given set it back to the defaults */
9a5f6488 5172 if (!attrs[attr])
a7c7fbff
PK		 5173 goto out;
5174
5175 /* The nested attribute uses enum nl80211_band as the index. This maps
5176 * directly to the enum nl80211_band values used in cfg80211.
5177 */
5178 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
9a5f6488 5179 nla_for_each_nested(tx_rates, attrs[attr], rem) {
a7c7fbff
PK		 5180 enum nl80211_band band = nla_type(tx_rates);
5181 int err;
5182
5183 if (band < 0 || band >= NUM_NL80211_BANDS)
5184 return -EINVAL;
5185 sband = rdev->wiphy.bands[band];
5186 if (sband == NULL)
5187 return -EINVAL;
8cb08174
JB		 5188 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
5189 tx_rates,
5190 nl80211_txattr_policy,
5191 info->extack);
a7c7fbff
PK		 5192 if (err)
5193 return err;
5194 if (tb[NL80211_TXRATE_LEGACY]) {
5195 mask->control[band].legacy = rateset_to_mask(
5196 sband,
5197 nla_data(tb[NL80211_TXRATE_LEGACY]),
5198 nla_len(tb[NL80211_TXRATE_LEGACY]));
5199 if ((mask->control[band].legacy == 0) &&
5200 nla_len(tb[NL80211_TXRATE_LEGACY]))
5201 return -EINVAL;
5202 }
5203 if (tb[NL80211_TXRATE_HT]) {
5204 if (!ht_rateset_to_mask(
5205 sband,
5206 nla_data(tb[NL80211_TXRATE_HT]),
5207 nla_len(tb[NL80211_TXRATE_HT]),
5208 mask->control[band].ht_mcs))
5209 return -EINVAL;
5210 }
c4a30446 5211
a7c7fbff
PK		 5212 if (tb[NL80211_TXRATE_VHT]) {
5213 if (!vht_set_mcs_mask(
5214 sband,
5215 nla_data(tb[NL80211_TXRATE_VHT]),
5216 mask->control[band].vht_mcs))
5217 return -EINVAL;
5218 }
c4a30446 5219
a7c7fbff
PK		 5220 if (tb[NL80211_TXRATE_GI]) {
5221 mask->control[band].gi =
5222 nla_get_u8(tb[NL80211_TXRATE_GI]);
5223 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
5224 return -EINVAL;
5225 }
eb89a6a6
MH		 5226 if (tb[NL80211_TXRATE_HE] &&
5227 !he_set_mcs_mask(info, wdev, sband,
5228 nla_data(tb[NL80211_TXRATE_HE]),
7b0a0e3c
JB		 5229 mask->control[band].he_mcs,
5230 link_id))
eb89a6a6 5231 return -EINVAL;
c4a30446 5232
eb89a6a6
MH		 5233 if (tb[NL80211_TXRATE_HE_GI])
5234 mask->control[band].he_gi =
5235 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
5236 if (tb[NL80211_TXRATE_HE_LTF])
5237 mask->control[band].he_ltf =
5238 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
a7c7fbff
PK		 5239
5240 if (mask->control[band].legacy == 0) {
eb89a6a6 5241 /* don't allow empty legacy rates if HT, VHT or HE
a7c7fbff
PK		 5242 * are not even supported.
5243 */
5244 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
eb89a6a6
MH		 5245 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
5246 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
a7c7fbff
PK		 5247 return -EINVAL;
5248
5249 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
5250 if (mask->control[band].ht_mcs[i])
5251 goto out;
5252
5253 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
5254 if (mask->control[band].vht_mcs[i])
5255 goto out;
5256
eb89a6a6
MH		 5257 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
5258 if (mask->control[band].he_mcs[i])
5259 goto out;
5260
a7c7fbff
PK		 5261 /* legacy and mcs rates may not be both empty */
5262 return -EINVAL;
5263 }
5264 }
5265
5266out:
5267 return 0;
5268}
5269
8564e382
JB		 5270static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
5271 enum nl80211_band band,
5272 struct cfg80211_bitrate_mask *beacon_rate)
a7c7fbff 5273{
c4a30446 5274 u32 count_ht, count_vht, count_he, i;
8564e382 5275 u32 rate = beacon_rate->control[band].legacy;
a7c7fbff
PK		 5276
5277 /* Allow only one rate */
5278 if (hweight32(rate) > 1)
5279 return -EINVAL;
5280
5281 count_ht = 0;
5282 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
8564e382 5283 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
a7c7fbff 5284 return -EINVAL;
8564e382 5285 } else if (beacon_rate->control[band].ht_mcs[i]) {
a7c7fbff
PK		 5286 count_ht++;
5287 if (count_ht > 1)
5288 return -EINVAL;
5289 }
5290 if (count_ht && rate)
5291 return -EINVAL;
5292 }
5293
5294 count_vht = 0;
5295 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8564e382 5296 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
a7c7fbff 5297 return -EINVAL;
8564e382 5298 } else if (beacon_rate->control[band].vht_mcs[i]) {
a7c7fbff
PK		 5299 count_vht++;
5300 if (count_vht > 1)
5301 return -EINVAL;
5302 }
5303 if (count_vht && rate)
5304 return -EINVAL;
5305 }
5306
c4a30446
RM		 5307 count_he = 0;
5308 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5309 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
5310 return -EINVAL;
5311 } else if (beacon_rate->control[band].he_mcs[i]) {
5312 count_he++;
5313 if (count_he > 1)
5314 return -EINVAL;
5315 }
5316 if (count_he && rate)
5317 return -EINVAL;
5318 }
5319
5320 if ((count_ht && count_vht && count_he) ||
5321 (!rate && !count_ht && !count_vht && !count_he))
a7c7fbff
PK		 5322 return -EINVAL;
5323
8564e382
JB		 5324 if (rate &&
5325 !wiphy_ext_feature_isset(&rdev->wiphy,
5326 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
5327 return -EINVAL;
5328 if (count_ht &&
5329 !wiphy_ext_feature_isset(&rdev->wiphy,
5330 NL80211_EXT_FEATURE_BEACON_RATE_HT))
5331 return -EINVAL;
5332 if (count_vht &&
5333 !wiphy_ext_feature_isset(&rdev->wiphy,
5334 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
5335 return -EINVAL;
c4a30446
RM		 5336 if (count_he &&
5337 !wiphy_ext_feature_isset(&rdev->wiphy,
5338 NL80211_EXT_FEATURE_BEACON_RATE_HE))
5339 return -EINVAL;
8564e382 5340
a7c7fbff
PK		 5341 return 0;
5342}
5343
dc1e3cb8
JC		 5344static int nl80211_parse_mbssid_config(struct wiphy *wiphy,
5345 struct net_device *dev,
5346 struct nlattr *attrs,
5347 struct cfg80211_mbssid_config *config,
5348 u8 num_elems)
5349{
5350 struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
5351
5352 if (!wiphy->mbssid_max_interfaces)
5353 return -EOPNOTSUPP;
5354
5355 if (nla_parse_nested(tb, NL80211_MBSSID_CONFIG_ATTR_MAX, attrs, NULL,
5356 NULL) ||
5357 !tb[NL80211_MBSSID_CONFIG_ATTR_INDEX])
5358 return -EINVAL;
5359
5360 config->ema = nla_get_flag(tb[NL80211_MBSSID_CONFIG_ATTR_EMA]);
5361 if (config->ema) {
5362 if (!wiphy->ema_max_profile_periodicity)
5363 return -EOPNOTSUPP;
5364
5365 if (num_elems > wiphy->ema_max_profile_periodicity)
5366 return -EINVAL;
5367 }
5368
5369 config->index = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_INDEX]);
5370 if (config->index >= wiphy->mbssid_max_interfaces ||
5371 (!config->index && !num_elems))
5372 return -EINVAL;
5373
5374 if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) {
5375 u32 tx_ifindex =
5376 nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]);
5377
5378 if ((!config->index && tx_ifindex != dev->ifindex) ||
5379 (config->index && tx_ifindex == dev->ifindex))
5380 return -EINVAL;
5381
5382 if (tx_ifindex != dev->ifindex) {
5383 struct net_device *tx_netdev =
5384 dev_get_by_index(wiphy_net(wiphy), tx_ifindex);
5385
5386 if (!tx_netdev || !tx_netdev->ieee80211_ptr ||
5387 tx_netdev->ieee80211_ptr->wiphy != wiphy ||
5388 tx_netdev->ieee80211_ptr->iftype !=
5389 NL80211_IFTYPE_AP) {
5390 dev_put(tx_netdev);
5391 return -EINVAL;
5392 }
5393
5394 config->tx_wdev = tx_netdev->ieee80211_ptr;
5395 } else {
5396 config->tx_wdev = dev->ieee80211_ptr;
5397 }
5398 } else if (!config->index) {
5399 config->tx_wdev = dev->ieee80211_ptr;
5400 } else {
5401 return -EINVAL;
5402 }
5403
5404 return 0;
5405}
5406
5407static struct cfg80211_mbssid_elems *
5408nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs)
5409{
5410 struct nlattr *nl_elems;
5411 struct cfg80211_mbssid_elems *elems;
5412 int rem_elems;
5413 u8 i = 0, num_elems = 0;
5414
5415 if (!wiphy->mbssid_max_interfaces)
5416 return ERR_PTR(-EINVAL);
5417
6311071a
KY		 5418 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5419 if (num_elems >= 255)
5420 return ERR_PTR(-EINVAL);
dc1e3cb8 5421 num_elems++;
6311071a 5422 }
dc1e3cb8
JC		 5423
5424 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5425 if (!elems)
5426 return ERR_PTR(-ENOMEM);
c14679d7 5427 elems->cnt = num_elems;
dc1e3cb8
JC		 5428
5429 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5430 elems->elem[i].data = nla_data(nl_elems);
5431 elems->elem[i].len = nla_len(nl_elems);
5432 i++;
5433 }
dc1e3cb8
JC		 5434 return elems;
5435}
5436
dbbb27e1
AD		 5437static struct cfg80211_rnr_elems *
5438nl80211_parse_rnr_elems(struct wiphy *wiphy, struct nlattr *attrs,
5439 struct netlink_ext_ack *extack)
5440{
5441 struct nlattr *nl_elems;
5442 struct cfg80211_rnr_elems *elems;
5443 int rem_elems;
5444 u8 i = 0, num_elems = 0;
5445
5446 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5447 int ret;
5448
5449 ret = validate_ie_attr(nl_elems, extack);
5450 if (ret)
5451 return ERR_PTR(ret);
5452
5453 num_elems++;
5454 }
5455
5456 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5457 if (!elems)
5458 return ERR_PTR(-ENOMEM);
7b6d7087 5459 elems->cnt = num_elems;
dbbb27e1
AD		 5460
5461 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5462 elems->elem[i].data = nla_data(nl_elems);
5463 elems->elem[i].len = nla_len(nl_elems);
5464 i++;
5465 }
dbbb27e1
AD		 5466 return elems;
5467}
5468
3d48cb74
RS		 5469static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5470 struct cfg80211_he_bss_color *he_bss_color)
5471{
5472 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5473 int err;
5474
5475 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5476 he_bss_color_policy, NULL);
5477 if (err)
5478 return err;
5479
5480 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5481 return -EINVAL;
5482
5483 he_bss_color->color =
5484 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5485 he_bss_color->enabled =
5486 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5487 he_bss_color->partial =
5488 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5489
5490 return 0;
5491}
5492
81e54d08
PKC		 5493static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5494 struct nlattr *attrs[],
dbbb27e1
AD		 5495 struct cfg80211_beacon_data *bcn,
5496 struct netlink_ext_ack *extack)
ed1b6cc7 5497{
8860020e 5498 bool haveinfo = false;
81e54d08 5499 int err;
ed1b6cc7 5500
8860020e 5501 memset(bcn, 0, sizeof(*bcn));
ed1b6cc7 5502
7b0a0e3c
JB		 5503 bcn->link_id = nl80211_link_id(attrs);
5504
a1193be8
SW		 5505 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5506 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5507 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
8860020e
JB		 5508 if (!bcn->head_len)
5509 return -EINVAL;
5510 haveinfo = true;
ed1b6cc7
JB		 5511 }
5512
a1193be8
SW		 5513 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5514 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5515 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
8860020e 5516 haveinfo = true;
ed1b6cc7
JB		 5517 }
5518
4c476991
JB		 5519 if (!haveinfo)
5520 return -EINVAL;
3b85875a 5521
a1193be8
SW		 5522 if (attrs[NL80211_ATTR_IE]) {
5523 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5524 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
9946ecfb
JM		 5525 }
5526
a1193be8 5527 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
8860020e 5528 bcn->proberesp_ies =
a1193be8 5529 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
8860020e 5530 bcn->proberesp_ies_len =
a1193be8 5531 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
9946ecfb
JM		 5532 }
5533
a1193be8 5534 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
8860020e 5535 bcn->assocresp_ies =
a1193be8 5536 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
8860020e 5537 bcn->assocresp_ies_len =
a1193be8 5538 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
9946ecfb
JM		 5539 }
5540
a1193be8
SW		 5541 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5542 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5543 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
00f740e1
AN		 5544 }
5545
81e54d08
PKC		 5546 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5547 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5548
8cb08174
JB		 5549 err = nla_parse_nested_deprecated(tb,
5550 NL80211_FTM_RESP_ATTR_MAX,
5551 attrs[NL80211_ATTR_FTM_RESPONDER],
5552 NULL, NULL);
81e54d08
PKC		 5553 if (err)
5554 return err;
5555
5556 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5557 wiphy_ext_feature_isset(&rdev->wiphy,
5558 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5559 bcn->ftm_responder = 1;
5560 else
5561 return -EOPNOTSUPP;
5562
5563 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5564 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5565 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5566 }
5567
5568 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5569 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5570 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5571 }
5572 } else {
5573 bcn->ftm_responder = -1;
5574 }
5575
3d48cb74
RS		 5576 if (attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5577 err = nl80211_parse_he_bss_color(attrs[NL80211_ATTR_HE_BSS_COLOR],
5578 &bcn->he_bss_color);
5579 if (err)
5580 return err;
5581 bcn->he_bss_color_valid = true;
5582 }
5583
dc1e3cb8
JC		 5584 if (attrs[NL80211_ATTR_MBSSID_ELEMS]) {
5585 struct cfg80211_mbssid_elems *mbssid =
5586 nl80211_parse_mbssid_elems(&rdev->wiphy,
5587 attrs[NL80211_ATTR_MBSSID_ELEMS]);
5588
5589 if (IS_ERR(mbssid))
5590 return PTR_ERR(mbssid);
5591
5592 bcn->mbssid_ies = mbssid;
dbbb27e1
AD		 5593
5594 if (bcn->mbssid_ies && attrs[NL80211_ATTR_EMA_RNR_ELEMS]) {
5595 struct cfg80211_rnr_elems *rnr =
5596 nl80211_parse_rnr_elems(&rdev->wiphy,
5597 attrs[NL80211_ATTR_EMA_RNR_ELEMS],
5598 extack);
5599
5600 if (IS_ERR(rnr))
5601 return PTR_ERR(rnr);
5602
5603 if (rnr && rnr->cnt < bcn->mbssid_ies->cnt)
5604 return -EINVAL;
5605
5606 bcn->rnr_ies = rnr;
5607 }
dc1e3cb8
JC		 5608 }
5609
8860020e
JB		 5610 return 0;
5611}
5612
796e90f4
JC		 5613static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5614 struct ieee80211_he_obss_pd *he_obss_pd)
5615{
5616 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5617 int err;
5618
5619 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5620 he_obss_pd_policy, NULL);
5621 if (err)
5622 return err;
5623
f5bec330
RM		 5624 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5625 return -EINVAL;
5626
5627 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5628
6c8b6e4a
RM		 5629 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5630 he_obss_pd->min_offset =
5631 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5632 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5633 he_obss_pd->max_offset =
5634 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
f5bec330
RM		 5635 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5636 he_obss_pd->non_srg_max_offset =
5637 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
6c8b6e4a
RM		 5638
5639 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
796e90f4
JC		 5640 return -EINVAL;
5641
f5bec330
RM		 5642 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5643 memcpy(he_obss_pd->bss_color_bitmap,
5644 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5645 sizeof(he_obss_pd->bss_color_bitmap));
5646
5647 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5648 memcpy(he_obss_pd->partial_bssid_bitmap,
5649 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5650 sizeof(he_obss_pd->partial_bssid_bitmap));
5651
796e90f4
JC		 5652 he_obss_pd->enable = true;
5653
5654 return 0;
5655}
5656
291c49de
AD		 5657static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5658 struct nlattr *attrs,
bb55441c 5659 struct cfg80211_fils_discovery *fd)
291c49de
AD		 5660{
5661 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5662 int ret;
291c49de
AD		 5663
5664 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5665 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5666 return -EINVAL;
5667
5668 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5669 NULL, NULL);
5670 if (ret)
5671 return ret;
5672
0cfaec25
AD		 5673 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] &&
5674 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] &&
5675 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]) {
5676 fd->update = true;
5677 return 0;
5678 }
5679
291c49de
AD		 5680 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5681 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5682 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5683 return -EINVAL;
5684
5685 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5686 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5687 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5688 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
0cfaec25 5689 fd->update = true;
291c49de
AD		 5690 return 0;
5691}
5692
7443dcd1
AD		 5693static int
5694nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5695 struct nlattr *attrs,
bb55441c 5696 struct cfg80211_unsol_bcast_probe_resp *presp)
7443dcd1
AD		 5697{
5698 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5699 int ret;
7443dcd1
AD		 5700
5701 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5702 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5703 return -EINVAL;
5704
5705 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5706 attrs, NULL, NULL);
5707 if (ret)
5708 return ret;
5709
0cfaec25
AD		 5710 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] &&
5711 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]) {
5712 presp->update = true;
5713 return 0;
5714 }
5715
7443dcd1
AD		 5716 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5717 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5718 return -EINVAL;
5719
5720 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5721 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5722 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
0cfaec25 5723 presp->update = true;
7443dcd1
AD		 5724 return 0;
5725}
5726
66cd794e 5727static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
153e2a11 5728 const struct element *rates)
66cd794e
JB		 5729{
5730 int i;
5731
5732 if (!rates)
5733 return;
5734
153e2a11
JB		 5735 for (i = 0; i < rates->datalen; i++) {
5736 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
66cd794e 5737 params->ht_required = true;
153e2a11 5738 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
66cd794e 5739 params->vht_required = true;
153e2a11 5740 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
2a392596 5741 params->he_required = true;
153e2a11 5742 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
d6587602 5743 params->sae_h2e_required = true;
66cd794e
JB		 5744 }
5745}
5746
5747/*
5748 * Since the nl80211 API didn't include, from the beginning, attributes about
5749 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5750 * benefit of drivers that rebuild IEs in the firmware.
5751 */
8bc65d38 5752static int nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
66cd794e
JB		 5753{
5754 const struct cfg80211_beacon_data *bcn = &params->beacon;
ba83bfb1
IM		 5755 size_t ies_len = bcn->tail_len;
5756 const u8 *ies = bcn->tail;
153e2a11
JB		 5757 const struct element *rates;
5758 const struct element *cap;
66cd794e 5759
153e2a11 5760 rates = cfg80211_find_elem(WLAN_EID_SUPP_RATES, ies, ies_len);
66cd794e
JB		 5761 nl80211_check_ap_rate_selectors(params, rates);
5762
153e2a11 5763 rates = cfg80211_find_elem(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
66cd794e
JB		 5764 nl80211_check_ap_rate_selectors(params, rates);
5765
153e2a11
JB		 5766 cap = cfg80211_find_elem(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5767 if (cap && cap->datalen >= sizeof(*params->ht_cap))
5768 params->ht_cap = (void *)cap->data;
5769 cap = cfg80211_find_elem(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5770 if (cap && cap->datalen >= sizeof(*params->vht_cap))
5771 params->vht_cap = (void *)cap->data;
5772 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5773 if (cap && cap->datalen >= sizeof(*params->he_cap) + 1)
5774 params->he_cap = (void *)(cap->data + 1);
5775 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5776 if (cap && cap->datalen >= sizeof(*params->he_oper) + 1)
5777 params->he_oper = (void *)(cap->data + 1);
8bc65d38
AD		 5778 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_CAPABILITY, ies, ies_len);
5779 if (cap) {
5780 if (!cap->datalen)
5781 return -EINVAL;
5782 params->eht_cap = (void *)(cap->data + 1);
5783 if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_cap,
5784 (const u8 *)params->eht_cap,
ea5cba26 5785 cap->datalen - 1, true))
8bc65d38
AD		 5786 return -EINVAL;
5787 }
5788 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_OPERATION, ies, ies_len);
5789 if (cap) {
5790 if (!cap->datalen)
5791 return -EINVAL;
5792 params->eht_oper = (void *)(cap->data + 1);
5793 if (!ieee80211_eht_oper_size_ok((const u8 *)params->eht_oper,
5794 cap->datalen - 1))
5795 return -EINVAL;
5796 }
5797 return 0;
66cd794e
JB		 5798}
5799
46c1dd0c
FF		 5800static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5801 struct cfg80211_ap_settings *params)
5802{
5803 struct wireless_dev *wdev;
46c1dd0c 5804
53873f13 5805 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
46c1dd0c
FF		 5806 if (wdev->iftype != NL80211_IFTYPE_AP &&
5807 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5808 continue;
5809
7b0a0e3c 5810 if (!wdev->u.ap.preset_chandef.chan)
46c1dd0c
FF		 5811 continue;
5812
7b0a0e3c
JB		 5813 params->chandef = wdev->u.ap.preset_chandef;
5814 return true;
46c1dd0c
FF		 5815 }
5816
7b0a0e3c 5817 return false;
46c1dd0c
FF		 5818}
5819
e39e5b5e
JM		 5820static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5821 enum nl80211_auth_type auth_type,
5822 enum nl80211_commands cmd)
5823{
5824 if (auth_type > NL80211_AUTHTYPE_MAX)
5825 return false;
5826
5827 switch (cmd) {
5828 case NL80211_CMD_AUTHENTICATE:
5829 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5830 auth_type == NL80211_AUTHTYPE_SAE)
5831 return false;
63181060
JM		 5832 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5833 NL80211_EXT_FEATURE_FILS_STA) &&
5834 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5835 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5836 auth_type == NL80211_AUTHTYPE_FILS_PK))
5837 return false;
e39e5b5e
JM		 5838 return true;
5839 case NL80211_CMD_CONNECT:
10773a7c 5840 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
26f7044e
CHH		 5841 !wiphy_ext_feature_isset(&rdev->wiphy,
5842 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10773a7c 5843 auth_type == NL80211_AUTHTYPE_SAE)
a3caf744 5844 return false;
10773a7c 5845
a3caf744
VK		 5846 /* FILS with SK PFS or PK not supported yet */
5847 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5848 auth_type == NL80211_AUTHTYPE_FILS_PK)
5849 return false;
5850 if (!wiphy_ext_feature_isset(
5851 &rdev->wiphy,
5852 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5853 auth_type == NL80211_AUTHTYPE_FILS_SK)
5854 return false;
5855 return true;
e39e5b5e 5856 case NL80211_CMD_START_AP:
2831a631
CHH		 5857 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5858 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5859 auth_type == NL80211_AUTHTYPE_SAE)
e39e5b5e 5860 return false;
63181060
JM		 5861 /* FILS not supported yet */
5862 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5863 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5864 auth_type == NL80211_AUTHTYPE_FILS_PK)
5865 return false;
e39e5b5e
JM		 5866 return true;
5867 default:
5868 return false;
5869 }
5870}
5871
77669c15
AŠ		 5872static void nl80211_send_ap_started(struct wireless_dev *wdev,
5873 unsigned int link_id)
5874{
5875 struct wiphy *wiphy = wdev->wiphy;
5876 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5877 struct sk_buff *msg;
5878 void *hdr;
5879
5880 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5881 if (!msg)
5882 return;
5883
5884 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_START_AP);
5885 if (!hdr)
5886 goto out;
5887
5888 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
5889 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
5890 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
5891 NL80211_ATTR_PAD) ||
5892 (wdev->u.ap.ssid_len &&
5893 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
5894 wdev->u.ap.ssid)) ||
5895 (wdev->valid_links &&
5896 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
5897 goto out;
5898
5899 genlmsg_end(msg, hdr);
5900
5901 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
5902 NL80211_MCGRP_MLME, GFP_KERNEL);
5903 return;
5904out:
5905 nlmsg_free(msg);
5906}
5907
5112fa50
AKS		 5908static int nl80211_validate_ap_phy_operation(struct cfg80211_ap_settings *params)
5909{
5910 struct ieee80211_channel *channel = params->chandef.chan;
5911
5912 if ((params->he_cap || params->he_oper) &&
5913 (channel->flags & IEEE80211_CHAN_NO_HE))
5914 return -EOPNOTSUPP;
5915
5916 if ((params->eht_cap || params->eht_oper) &&
5917 (channel->flags & IEEE80211_CHAN_NO_EHT))
5918 return -EOPNOTSUPP;
5919
5920 return 0;
5921}
5922
8860020e
JB		 5923static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5924{
5925 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 5926 unsigned int link_id = nl80211_link_id(info->attrs);
8860020e
JB		 5927 struct net_device *dev = info->user_ptr[1];
5928 struct wireless_dev *wdev = dev->ieee80211_ptr;
9e263e19 5929 struct cfg80211_ap_settings *params;
8860020e
JB		 5930 int err;
5931
5932 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5933 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5934 return -EOPNOTSUPP;
5935
5936 if (!rdev->ops->start_ap)
5937 return -EOPNOTSUPP;
5938
7b0a0e3c 5939 if (wdev->links[link_id].ap.beacon_interval)
8860020e
JB		 5940 return -EALREADY;
5941
8860020e
JB		 5942 /* these are required for START_AP */
5943 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5944 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5945 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5946 return -EINVAL;
5947
9e263e19
JB		 5948 params = kzalloc(sizeof(*params), GFP_KERNEL);
5949 if (!params)
5950 return -ENOMEM;
5951
dbbb27e1
AD		 5952 err = nl80211_parse_beacon(rdev, info->attrs, &params->beacon,
5953 info->extack);
8860020e 5954 if (err)
9e263e19 5955 goto out;
8860020e 5956
9e263e19 5957 params->beacon_interval =
8860020e 5958 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9e263e19 5959 params->dtim_period =
8860020e
JB		 5960 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5961
0c317a02 5962 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
9e263e19 5963 params->beacon_interval);
8860020e 5964 if (err)
9e263e19 5965 goto out;
8860020e
JB		 5966
5967 /*
5968 * In theory, some of these attributes should be required here
5969 * but since they were not used when the command was originally
5970 * added, keep them optional for old user space programs to let
5971 * them continue to work with drivers that do not need the
5972 * additional information -- drivers must check!
5973 */
5974 if (info->attrs[NL80211_ATTR_SSID]) {
9e263e19
JB		 5975 params->ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5976 params->ssid_len =
8860020e 5977 nla_len(info->attrs[NL80211_ATTR_SSID]);
9e263e19
JB		 5978 if (params->ssid_len == 0) {
5979 err = -EINVAL;
5980 goto out;
5981 }
7b0a0e3c
JB		 5982
5983 if (wdev->u.ap.ssid_len &&
5984 (wdev->u.ap.ssid_len != params->ssid_len ||
5985 memcmp(wdev->u.ap.ssid, params->ssid, params->ssid_len))) {
5986 /* require identical SSID for MLO */
5987 err = -EINVAL;
5988 goto out;
5989 }
5990 } else if (wdev->valid_links) {
5991 /* require SSID for MLO */
5992 err = -EINVAL;
5993 goto out;
8860020e
JB		 5994 }
5995
ab0d76f6 5996 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
9e263e19 5997 params->hidden_ssid = nla_get_u32(
8860020e 5998 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
8860020e 5999
9e263e19 6000 params->privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
8860020e
JB		 6001
6002 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9e263e19 6003 params->auth_type = nla_get_u32(
8860020e 6004 info->attrs[NL80211_ATTR_AUTH_TYPE]);
9e263e19
JB		 6005 if (!nl80211_valid_auth_type(rdev, params->auth_type,
6006 NL80211_CMD_START_AP)) {
6007 err = -EINVAL;
6008 goto out;
6009 }
8860020e 6010 } else
9e263e19 6011 params->auth_type = NL80211_AUTHTYPE_AUTOMATIC;
8860020e 6012
9e263e19 6013 err = nl80211_crypto_settings(rdev, info, &params->crypto,
8860020e
JB		 6014 NL80211_MAX_NR_CIPHER_SUITES);
6015 if (err)
9e263e19 6016 goto out;
8860020e 6017
1b658f11 6018 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
9e263e19
JB		 6019 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) {
6020 err = -EOPNOTSUPP;
6021 goto out;
6022 }
6023 params->inactivity_timeout = nla_get_u16(
1b658f11
VT		 6024 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
6025 }
6026
53cabad7 6027 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
9e263e19
JB		 6028 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6029 err = -EINVAL;
6030 goto out;
6031 }
6032 params->p2p_ctwindow =
53cabad7 6033 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
9e263e19
JB		 6034 if (params->p2p_ctwindow != 0 &&
6035 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
6036 err = -EINVAL;
6037 goto out;
6038 }
53cabad7
JB		 6039 }
6040
6041 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6042 u8 tmp;
6043
9e263e19
JB		 6044 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6045 err = -EINVAL;
6046 goto out;
6047 }
53cabad7 6048 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
9e263e19
JB		 6049 params->p2p_opp_ps = tmp;
6050 if (params->p2p_opp_ps != 0 &&
6051 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
6052 err = -EINVAL;
6053 goto out;
6054 }
53cabad7
JB		 6055 }
6056
aa430da4 6057 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9e263e19 6058 err = nl80211_parse_chandef(rdev, info, &params->chandef);
683b6d3b 6059 if (err)
9e263e19 6060 goto out;
7b0a0e3c
JB		 6061 } else if (wdev->valid_links) {
6062 /* with MLD need to specify the channel configuration */
6063 err = -EINVAL;
6064 goto out;
6065 } else if (wdev->u.ap.preset_chandef.chan) {
6066 params->chandef = wdev->u.ap.preset_chandef;
9e263e19
JB		 6067 } else if (!nl80211_get_ap_channel(rdev, params)) {
6068 err = -EINVAL;
6069 goto out;
6070 }
aa430da4 6071
d7c1a9a0
AD		 6072 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
6073 err = nl80211_parse_punct_bitmap(rdev, info,
6074 &params->chandef,
6075 &params->punct_bitmap);
6076 if (err)
6077 goto out;
6078 }
6079
9e263e19
JB		 6080 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params->chandef,
6081 wdev->iftype)) {
6082 err = -EINVAL;
6083 goto out;
6084 }
aa430da4 6085
a7c7fbff 6086 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488
TC		 6087 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
6088 NL80211_ATTR_TX_RATES,
9e263e19 6089 &params->beacon_rate,
7b0a0e3c 6090 dev, false, link_id);
a7c7fbff 6091 if (err)
076fc877 6092 goto out;
a7c7fbff 6093
9e263e19
JB		 6094 err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
6095 &params->beacon_rate);
a7c7fbff 6096 if (err)
076fc877 6097 goto out;
a7c7fbff
PK		 6098 }
6099
18998c38 6100 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
9e263e19 6101 params->smps_mode =
18998c38 6102 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
9e263e19 6103 switch (params->smps_mode) {
18998c38
EP		 6104 case NL80211_SMPS_OFF:
6105 break;
6106 case NL80211_SMPS_STATIC:
6107 if (!(rdev->wiphy.features &
9e263e19
JB		 6108 NL80211_FEATURE_STATIC_SMPS)) {
6109 err = -EINVAL;
076fc877 6110 goto out;
9e263e19 6111 }
18998c38
EP		 6112 break;
6113 case NL80211_SMPS_DYNAMIC:
6114 if (!(rdev->wiphy.features &
9e263e19
JB		 6115 NL80211_FEATURE_DYNAMIC_SMPS)) {
6116 err = -EINVAL;
076fc877 6117 goto out;
9e263e19 6118 }
18998c38
EP		 6119 break;
6120 default:
9e263e19 6121 err = -EINVAL;
076fc877 6122 goto out;
18998c38
EP		 6123 }
6124 } else {
9e263e19 6125 params->smps_mode = NL80211_SMPS_OFF;
18998c38
EP		 6126 }
6127
9e263e19
JB		 6128 params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
6129 if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
6130 err = -EOPNOTSUPP;
076fc877 6131 goto out;
9e263e19 6132 }
6e8ef842 6133
4baf6bea 6134 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
9e263e19
JB		 6135 params->acl = parse_acl_data(&rdev->wiphy, info);
6136 if (IS_ERR(params->acl)) {
6137 err = PTR_ERR(params->acl);
05075fe7 6138 params->acl = NULL;
076fc877 6139 goto out;
9e263e19 6140 }
4baf6bea
OO		 6141 }
6142
9e263e19 6143 params->twt_responder =
a0de1ca3
JC		 6144 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
6145
796e90f4
JC		 6146 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
6147 err = nl80211_parse_he_obss_pd(
6148 info->attrs[NL80211_ATTR_HE_OBSS_PD],
9e263e19 6149 &params->he_obss_pd);
bc7a39b4 6150 if (err)
076fc877 6151 goto out;
796e90f4
JC		 6152 }
6153
291c49de
AD		 6154 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
6155 err = nl80211_parse_fils_discovery(rdev,
6156 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
bb55441c 6157 &params->fils_discovery);
291c49de 6158 if (err)
076fc877 6159 goto out;
291c49de
AD		 6160 }
6161
7443dcd1
AD		 6162 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
6163 err = nl80211_parse_unsol_bcast_probe_resp(
6164 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
bb55441c 6165 &params->unsol_bcast_probe_resp);
7443dcd1 6166 if (err)
076fc877 6167 goto out;
7443dcd1
AD		 6168 }
6169
dc1e3cb8
JC		 6170 if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
6171 err = nl80211_parse_mbssid_config(&rdev->wiphy, dev,
6172 info->attrs[NL80211_ATTR_MBSSID_CONFIG],
6173 &params->mbssid_config,
6174 params->beacon.mbssid_ies ?
6175 params->beacon.mbssid_ies->cnt :
6176 0);
6177 if (err)
076fc877 6178 goto out;
dc1e3cb8
JC		 6179 }
6180
dbbb27e1
AD		 6181 if (!params->mbssid_config.ema && params->beacon.rnr_ies) {
6182 err = -EINVAL;
076fc877 6183 goto out;
dbbb27e1
AD		 6184 }
6185
8bc65d38
AD		 6186 err = nl80211_calculate_ap_params(params);
6187 if (err)
076fc877 6188 goto out;
66cd794e 6189
5112fa50
AKS		 6190 err = nl80211_validate_ap_phy_operation(params);
6191 if (err)
7d6904bf 6192 goto out;
5112fa50 6193
47301a74
VJ		 6194 if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
6195 params->flags = nla_get_u32(
6196 info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
6197 else if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
6198 params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
fe494370 6199
7b0a0e3c
JB		 6200 if (wdev->conn_owner_nlportid &&
6201 info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
6202 wdev->conn_owner_nlportid != info->snd_portid) {
6203 err = -EINVAL;
076fc877 6204 goto out;
7b0a0e3c
JB		 6205 }
6206
6207 /* FIXME: validate MLO/link-id against driver capabilities */
6208
9e263e19 6209 err = rdev_start_ap(rdev, dev, params);
46c1dd0c 6210 if (!err) {
7b0a0e3c
JB		 6211 wdev->links[link_id].ap.beacon_interval = params->beacon_interval;
6212 wdev->links[link_id].ap.chandef = params->chandef;
6213 wdev->u.ap.ssid_len = params->ssid_len;
6214 memcpy(wdev->u.ap.ssid, params->ssid,
6215 params->ssid_len);
466a3061
DK		 6216
6217 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
6218 wdev->conn_owner_nlportid = info->snd_portid;
77669c15
AŠ		 6219
6220 nl80211_send_ap_started(wdev, link_id);
46c1dd0c 6221 }
9951ebfc 6222out:
9e263e19 6223 kfree(params->acl);
dc1e3cb8
JC		 6224 kfree(params->beacon.mbssid_ies);
6225 if (params->mbssid_config.tx_wdev &&
6226 params->mbssid_config.tx_wdev->netdev &&
6227 params->mbssid_config.tx_wdev->netdev != dev)
6228 dev_put(params->mbssid_config.tx_wdev->netdev);
dbbb27e1 6229 kfree(params->beacon.rnr_ies);
9e263e19 6230 kfree(params);
77765eaf 6231
56d1893d 6232 return err;
ed1b6cc7
JB		 6233}
6234
8860020e
JB		 6235static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
6236{
6237 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 6238 unsigned int link_id = nl80211_link_id(info->attrs);
8860020e
JB		 6239 struct net_device *dev = info->user_ptr[1];
6240 struct wireless_dev *wdev = dev->ieee80211_ptr;
bb55441c 6241 struct cfg80211_ap_update *params;
b2d431d4 6242 struct nlattr *attr;
8860020e
JB		 6243 int err;
6244
6245 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6246 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6247 return -EOPNOTSUPP;
6248
6249 if (!rdev->ops->change_beacon)
6250 return -EOPNOTSUPP;
6251
7b0a0e3c 6252 if (!wdev->links[link_id].ap.beacon_interval)
8860020e
JB		 6253 return -EINVAL;
6254
66f85d57
AD		 6255 params = kzalloc(sizeof(*params), GFP_KERNEL);
6256 if (!params)
6257 return -ENOMEM;
6258
6259 err = nl80211_parse_beacon(rdev, info->attrs, &params->beacon,
6260 info->extack);
8860020e 6261 if (err)
dc1e3cb8 6262 goto out;
8860020e 6263
b2d431d4
AD		 6264 attr = info->attrs[NL80211_ATTR_FILS_DISCOVERY];
6265 if (attr) {
bb55441c
JB		 6266 err = nl80211_parse_fils_discovery(rdev, attr,
6267 &params->fils_discovery);
b2d431d4
AD		 6268 if (err)
6269 goto out;
6270 }
6271
6272 attr = info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP];
6273 if (attr) {
bb55441c
JB		 6274 err = nl80211_parse_unsol_bcast_probe_resp(rdev, attr,
6275 &params->unsol_bcast_probe_resp);
b2d431d4
AD		 6276 if (err)
6277 goto out;
6278 }
6279
66f85d57 6280 err = rdev_change_beacon(rdev, dev, params);
c56589ed 6281
dc1e3cb8 6282out:
66f85d57
AD		 6283 kfree(params->beacon.mbssid_ies);
6284 kfree(params->beacon.rnr_ies);
6285 kfree(params);
c56589ed 6286 return err;
8860020e
JB		 6287}
6288
6289static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
ed1b6cc7 6290{
4c476991 6291 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 6292 unsigned int link_id = nl80211_link_id(info->attrs);
4c476991 6293 struct net_device *dev = info->user_ptr[1];
ed1b6cc7 6294
7b0a0e3c 6295 return cfg80211_stop_ap(rdev, dev, link_id, false);
ed1b6cc7
JB		 6296}
6297
5727ef1b
JB		 6298static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
6299 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
6300 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
6301 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
0e46724a 6302 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
b39c48fa 6303 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
d83023da 6304 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5727ef1b
JB		 6305};
6306
eccb8e8f 6307static int parse_station_flags(struct genl_info *info,
bdd3ae3d 6308 enum nl80211_iftype iftype,
eccb8e8f 6309 struct station_parameters *params)
5727ef1b
JB		 6310{
6311 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
eccb8e8f 6312 struct nlattr *nla;
5727ef1b
JB		 6313 int flag;
6314
eccb8e8f
JB		 6315 /*
6316 * Try parsing the new attribute first so userspace
6317 * can specify both for older kernels.
6318 */
6319 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
6320 if (nla) {
6321 struct nl80211_sta_flag_update *sta_flags;
6322
6323 sta_flags = nla_data(nla);
6324 params->sta_flags_mask = sta_flags->mask;
6325 params->sta_flags_set = sta_flags->set;
77ee7c89 6326 params->sta_flags_set &= params->sta_flags_mask;
eccb8e8f
JB		 6327 if ((params->sta_flags_mask |
6328 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
6329 return -EINVAL;
6330 return 0;
6331 }
6332
6333 /* if present, parse the old attribute */
5727ef1b 6334
eccb8e8f 6335 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5727ef1b
JB		 6336 if (!nla)
6337 return 0;
6338
8cb08174 6339 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5727ef1b
JB		 6340 return -EINVAL;
6341
bdd3ae3d
JB		 6342 /*
6343 * Only allow certain flags for interface types so that
6344 * other attributes are silently ignored. Remember that
6345 * this is backward compatibility code with old userspace
6346 * and shouldn't be hit in other cases anyway.
6347 */
6348 switch (iftype) {
6349 case NL80211_IFTYPE_AP:
6350 case NL80211_IFTYPE_AP_VLAN:
6351 case NL80211_IFTYPE_P2P_GO:
6352 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6353 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6354 BIT(NL80211_STA_FLAG_WME) |
6355 BIT(NL80211_STA_FLAG_MFP);
6356 break;
6357 case NL80211_IFTYPE_P2P_CLIENT:
6358 case NL80211_IFTYPE_STATION:
6359 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6360 BIT(NL80211_STA_FLAG_TDLS_PEER);
6361 break;
6362 case NL80211_IFTYPE_MESH_POINT:
6363 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6364 BIT(NL80211_STA_FLAG_MFP) |
6365 BIT(NL80211_STA_FLAG_AUTHORIZED);
5cf3006c 6366 break;
bdd3ae3d
JB		 6367 default:
6368 return -EINVAL;
6369 }
5727ef1b 6370
3383b5a6
JB		 6371 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
6372 if (flags[flag]) {
eccb8e8f 6373 params->sta_flags_set |= (1<<flag);
5727ef1b 6374
3383b5a6
JB		 6375 /* no longer support new API additions in old API */
6376 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
6377 return -EINVAL;
6378 }
6379 }
6380
5727ef1b
JB		 6381 return 0;
6382}
6383
9bb7e0f2 6384bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
c8dcfd8a
FF		 6385{
6386 struct nlattr *rate;
8eb41c8d
VK		 6387 u32 bitrate;
6388 u16 bitrate_compat;
bbf67e45 6389 enum nl80211_rate_info rate_flg;
c8dcfd8a 6390
ae0be8de 6391 rate = nla_nest_start_noflag(msg, attr);
c8dcfd8a 6392 if (!rate)
db9c64cf 6393 return false;
c8dcfd8a
FF		 6394
6395 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
6396 bitrate = cfg80211_calculate_bitrate(info);
8eb41c8d
VK		 6397 /* report 16-bit bitrate only if we can */
6398 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
db9c64cf
JB		 6399 if (bitrate > 0 &&
6400 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
6401 return false;
6402 if (bitrate_compat > 0 &&
6403 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
6404 return false;
6405
b51f3bee 6406 switch (info->bw) {
2ad66fcb
GI		 6407 case RATE_INFO_BW_1:
6408 rate_flg = NL80211_RATE_INFO_1_MHZ_WIDTH;
6409 break;
6410 case RATE_INFO_BW_2:
6411 rate_flg = NL80211_RATE_INFO_2_MHZ_WIDTH;
6412 break;
6413 case RATE_INFO_BW_4:
6414 rate_flg = NL80211_RATE_INFO_4_MHZ_WIDTH;
6415 break;
b51f3bee
JB		 6416 case RATE_INFO_BW_5:
6417 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
6418 break;
2ad66fcb
GI		 6419 case RATE_INFO_BW_8:
6420 rate_flg = NL80211_RATE_INFO_8_MHZ_WIDTH;
6421 break;
b51f3bee
JB		 6422 case RATE_INFO_BW_10:
6423 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
6424 break;
2ad66fcb
GI		 6425 case RATE_INFO_BW_16:
6426 rate_flg = NL80211_RATE_INFO_16_MHZ_WIDTH;
6427 break;
b51f3bee
JB		 6428 default:
6429 WARN_ON(1);
7b506ff6 6430 fallthrough;
b51f3bee
JB		 6431 case RATE_INFO_BW_20:
6432 rate_flg = 0;
6433 break;
6434 case RATE_INFO_BW_40:
6435 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
6436 break;
6437 case RATE_INFO_BW_80:
6438 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
6439 break;
6440 case RATE_INFO_BW_160:
6441 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
6442 break;
c4cbaf79
LC		 6443 case RATE_INFO_BW_HE_RU:
6444 rate_flg = 0;
6445 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
cfb14110
VJ		 6446 break;
6447 case RATE_INFO_BW_320:
6448 rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
6449 break;
6450 case RATE_INFO_BW_EHT_RU:
6451 rate_flg = 0;
6452 WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
6453 break;
b51f3bee
JB		 6454 }
6455
6456 if (rate_flg && nla_put_flag(msg, rate_flg))
6457 return false;
6458
db9c64cf
JB		 6459 if (info->flags & RATE_INFO_FLAGS_MCS) {
6460 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
6461 return false;
db9c64cf
JB		 6462 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6463 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6464 return false;
6465 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
6466 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
6467 return false;
6468 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
6469 return false;
db9c64cf
JB		 6470 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6471 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6472 return false;
c4cbaf79
LC		 6473 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
6474 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
6475 return false;
6476 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
6477 return false;
6478 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
6479 return false;
6480 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
6481 return false;
6482 if (info->bw == RATE_INFO_BW_HE_RU &&
6483 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
6484 info->he_ru_alloc))
6485 return false;
2ad66fcb
GI		 6486 } else if (info->flags & RATE_INFO_FLAGS_S1G_MCS) {
6487 if (nla_put_u8(msg, NL80211_RATE_INFO_S1G_MCS, info->mcs))
6488 return false;
6489 if (nla_put_u8(msg, NL80211_RATE_INFO_S1G_NSS, info->nss))
6490 return false;
6491 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6492 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6493 return false;
cfb14110
VJ		 6494 } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
6495 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
6496 return false;
6497 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
6498 return false;
6499 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
6500 return false;
6501 if (info->bw == RATE_INFO_BW_EHT_RU &&
6502 nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
6503 info->eht_ru_alloc))
6504 return false;
db9c64cf 6505 }
c8dcfd8a
FF		 6506
6507 nla_nest_end(msg, rate);
6508 return true;
c8dcfd8a
FF		 6509}
6510
119363c7
FF		 6511static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
6512 int id)
6513{
6514 void *attr;
6515 int i = 0;
6516
6517 if (!mask)
6518 return true;
6519
ae0be8de 6520 attr = nla_nest_start_noflag(msg, id);
119363c7
FF		 6521 if (!attr)
6522 return false;
6523
6524 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
6525 if (!(mask & BIT(i)))
6526 continue;
6527
6528 if (nla_put_u8(msg, i, signal[i]))
6529 return false;
6530 }
6531
6532 nla_nest_end(msg, attr);
6533
6534 return true;
6535}
6536
cf5ead82
JB		 6537static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
6538 u32 seq, int flags,
66266b3a
JL		 6539 struct cfg80211_registered_device *rdev,
6540 struct net_device *dev,
98b62183 6541 const u8 *mac_addr, struct station_info *sinfo)
fd5b74dc
JB		 6542{
6543 void *hdr;
f4263c98 6544 struct nlattr *sinfoattr, *bss_param;
fd5b74dc 6545
cf5ead82 6546 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
f77bf486
AS		 6547 if (!hdr) {
6548 cfg80211_sinfo_release_content(sinfo);
fd5b74dc 6549 return -1;
f77bf486 6550 }
fd5b74dc 6551
9360ffd1
DM		 6552 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6553 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
6554 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
6555 goto nla_put_failure;
f5ea9120 6556
ae0be8de 6557 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
2ec600d6 6558 if (!sinfoattr)
fd5b74dc 6559 goto nla_put_failure;
319090bf
JB		 6560
6561#define PUT_SINFO(attr, memb, type) do { \
d686b920 6562 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
397c657a 6563 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
319090bf
JB		 6564 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
6565 sinfo->memb)) \
6566 goto nla_put_failure; \
6567 } while (0)
d686b920 6568#define PUT_SINFO_U64(attr, memb) do { \
397c657a 6569 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
d686b920
JB		 6570 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
6571 sinfo->memb, NL80211_STA_INFO_PAD)) \
6572 goto nla_put_failure; \
6573 } while (0)
319090bf
JB		 6574
6575 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
6576 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6c7a0033 6577 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
319090bf 6578
397c657a
OE		 6579 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
6580 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
9360ffd1 6581 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
42745e03 6582 (u32)sinfo->rx_bytes))
9360ffd1 6583 goto nla_put_failure;
319090bf 6584
397c657a
OE		 6585 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
6586 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
9360ffd1 6587 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
42745e03
VK		 6588 (u32)sinfo->tx_bytes))
6589 goto nla_put_failure;
319090bf 6590
d686b920
JB		 6591 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
6592 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
319090bf
JB		 6593 PUT_SINFO(LLID, llid, u16);
6594 PUT_SINFO(PLID, plid, u16);
6595 PUT_SINFO(PLINK_STATE, plink_state, u8);
d686b920 6596 PUT_SINFO_U64(RX_DURATION, rx_duration);
36647055
THJ		 6597 PUT_SINFO_U64(TX_DURATION, tx_duration);
6598
6599 if (wiphy_ext_feature_isset(&rdev->wiphy,
6600 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6601 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
319090bf 6602
66266b3a
JL		 6603 switch (rdev->wiphy.signal_type) {
6604 case CFG80211_SIGNAL_TYPE_MBM:
319090bf
JB		 6605 PUT_SINFO(SIGNAL, signal, u8);
6606 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
66266b3a
JL		 6607 break;
6608 default:
6609 break;
6610 }
397c657a 6611 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
119363c7
FF		 6612 if (!nl80211_put_signal(msg, sinfo->chains,
6613 sinfo->chain_signal,
6614 NL80211_STA_INFO_CHAIN_SIGNAL))
6615 goto nla_put_failure;
6616 }
397c657a 6617 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
119363c7
FF		 6618 if (!nl80211_put_signal(msg, sinfo->chains,
6619 sinfo->chain_signal_avg,
6620 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
6621 goto nla_put_failure;
6622 }
397c657a 6623 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
c8dcfd8a
FF		 6624 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
6625 NL80211_STA_INFO_TX_BITRATE))
6626 goto nla_put_failure;
6627 }
397c657a 6628 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
c8dcfd8a
FF		 6629 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
6630 NL80211_STA_INFO_RX_BITRATE))
420e7fab 6631 goto nla_put_failure;
420e7fab 6632 }
319090bf
JB		 6633
6634 PUT_SINFO(RX_PACKETS, rx_packets, u32);
6635 PUT_SINFO(TX_PACKETS, tx_packets, u32);
6636 PUT_SINFO(TX_RETRIES, tx_retries, u32);
6637 PUT_SINFO(TX_FAILED, tx_failed, u32);
6638 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
ab60633c 6639 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
319090bf
JB		 6640 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
6641 PUT_SINFO(LOCAL_PM, local_pm, u32);
6642 PUT_SINFO(PEER_PM, peer_pm, u32);
6643 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
dbdaee7a 6644 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
1303a51c 6645 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
319090bf 6646
397c657a 6647 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
ae0be8de
MK		 6648 bss_param = nla_nest_start_noflag(msg,
6649 NL80211_STA_INFO_BSS_PARAM);
f4263c98
PS		 6650 if (!bss_param)
6651 goto nla_put_failure;
6652
9360ffd1
DM		 6653 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
6654 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
6655 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
6656 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
6657 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
6658 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
6659 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
6660 sinfo->bss_param.dtim_period) ||
6661 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
6662 sinfo->bss_param.beacon_interval))
6663 goto nla_put_failure;
f4263c98
PS		 6664
6665 nla_nest_end(msg, bss_param);
6666 }
397c657a 6667 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
9360ffd1
DM		 6668 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
6669 sizeof(struct nl80211_sta_flag_update),
6670 &sinfo->sta_flags))
6671 goto nla_put_failure;
319090bf 6672
d686b920
JB		 6673 PUT_SINFO_U64(T_OFFSET, t_offset);
6674 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
6675 PUT_SINFO_U64(BEACON_RX, rx_beacon);
a76b1942 6676 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
0d4e14a3
AB		 6677 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
6678 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
81d5439d 6679 if (wiphy_ext_feature_isset(&rdev->wiphy,
9c06602b
BP		 6680 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
6681 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
6682 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
6683 }
319090bf
JB		 6684
6685#undef PUT_SINFO
d686b920 6686#undef PUT_SINFO_U64
6de39808 6687
8689c051 6688 if (sinfo->pertid) {
6de39808
JB		 6689 struct nlattr *tidsattr;
6690 int tid;
6691
ae0be8de
MK		 6692 tidsattr = nla_nest_start_noflag(msg,
6693 NL80211_STA_INFO_TID_STATS);
6de39808
JB		 6694 if (!tidsattr)
6695 goto nla_put_failure;
6696
6697 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
6698 struct cfg80211_tid_stats *tidstats;
6699 struct nlattr *tidattr;
6700
6701 tidstats = &sinfo->pertid[tid];
6702
6703 if (!tidstats->filled)
6704 continue;
6705
ae0be8de 6706 tidattr = nla_nest_start_noflag(msg, tid + 1);
6de39808
JB		 6707 if (!tidattr)
6708 goto nla_put_failure;
6709
d686b920 6710#define PUT_TIDVAL_U64(attr, memb) do { \
6de39808 6711 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
d686b920
JB		 6712 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
6713 tidstats->memb, NL80211_TID_STATS_PAD)) \
6de39808
JB		 6714 goto nla_put_failure; \
6715 } while (0)
6716
d686b920
JB		 6717 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
6718 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
6719 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
6720 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6de39808 6721
d686b920 6722#undef PUT_TIDVAL_U64
52539ca8
THJ		 6723 if ((tidstats->filled &
6724 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
6725 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
6726 NL80211_TID_STATS_TXQ_STATS))
6727 goto nla_put_failure;
6728
6de39808
JB		 6729 nla_nest_end(msg, tidattr);
6730 }
6731
6732 nla_nest_end(msg, tidsattr);
6733 }
6734
2ec600d6 6735 nla_nest_end(msg, sinfoattr);
fd5b74dc 6736
319090bf 6737 if (sinfo->assoc_req_ies_len &&
9360ffd1
DM		 6738 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
6739 sinfo->assoc_req_ies))
6740 goto nla_put_failure;
50d3dfb7 6741
a42e59eb
VJ		 6742 if (sinfo->assoc_resp_ies_len &&
6743 nla_put(msg, NL80211_ATTR_RESP_IE, sinfo->assoc_resp_ies_len,
6744 sinfo->assoc_resp_ies))
6745 goto nla_put_failure;
6746
6747 if (sinfo->mlo_params_valid) {
6748 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6749 sinfo->assoc_link_id))
6750 goto nla_put_failure;
6751
6752 if (!is_zero_ether_addr(sinfo->mld_addr) &&
6753 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
6754 sinfo->mld_addr))
6755 goto nla_put_failure;
6756 }
6757
7ea3e110 6758 cfg80211_sinfo_release_content(sinfo);
053c095a
JB		 6759 genlmsg_end(msg, hdr);
6760 return 0;
fd5b74dc
JB		 6761
6762 nla_put_failure:
7ea3e110 6763 cfg80211_sinfo_release_content(sinfo);
bc3ed28c
TG		 6764 genlmsg_cancel(msg, hdr);
6765 return -EMSGSIZE;
fd5b74dc
JB		 6766}
6767
2ec600d6 6768static int nl80211_dump_station(struct sk_buff *skb,
bba95fef 6769 struct netlink_callback *cb)
2ec600d6 6770{
73887fd9 6771 struct station_info sinfo;
1b8ec87a 6772 struct cfg80211_registered_device *rdev;
97990a06 6773 struct wireless_dev *wdev;
2ec600d6 6774 u8 mac_addr[ETH_ALEN];
97990a06 6775 int sta_idx = cb->args[2];
2ec600d6 6776 int err;
2ec600d6 6777
ce6b6974 6778 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
67748893 6779 if (err)
a05829a7
JB		 6780 return err;
6781 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6782 __acquire(&rdev->wiphy.mtx);
bba95fef 6783
97990a06
JB		 6784 if (!wdev->netdev) {
6785 err = -EINVAL;
6786 goto out_err;
6787 }
6788
1b8ec87a 6789 if (!rdev->ops->dump_station) {
eec60b03 6790 err = -EOPNOTSUPP;
bba95fef
JB		 6791 goto out_err;
6792 }
6793
bba95fef 6794 while (1) {
73887fd9 6795 memset(&sinfo, 0, sizeof(sinfo));
1b8ec87a 6796 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
73887fd9 6797 mac_addr, &sinfo);
bba95fef
JB		 6798 if (err == -ENOENT)
6799 break;
6800 if (err)
3b85875a 6801 goto out_err;
bba95fef 6802
cf5ead82 6803 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
15e47304 6804 NETLINK_CB(cb->skb).portid,
bba95fef 6805 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1b8ec87a 6806 rdev, wdev->netdev, mac_addr,
73887fd9 6807 &sinfo) < 0)
bba95fef
JB		 6808 goto out;
6809
6810 sta_idx++;
6811 }
6812
bba95fef 6813 out:
97990a06 6814 cb->args[2] = sta_idx;
bba95fef 6815 err = skb->len;
bba95fef 6816 out_err:
a05829a7 6817 wiphy_unlock(&rdev->wiphy);
bba95fef
JB		 6818
6819 return err;
2ec600d6 6820}
fd5b74dc 6821
5727ef1b
JB		 6822static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6823{
4c476991
JB		 6824 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6825 struct net_device *dev = info->user_ptr[1];
73887fd9 6826 struct station_info sinfo;
fd5b74dc
JB		 6827 struct sk_buff *msg;
6828 u8 *mac_addr = NULL;
4c476991 6829 int err;
fd5b74dc 6830
73887fd9 6831 memset(&sinfo, 0, sizeof(sinfo));
fd5b74dc 6832
73887fd9
JB		 6833 if (!info->attrs[NL80211_ATTR_MAC])
6834 return -EINVAL;
fd5b74dc
JB		 6835
6836 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6837
73887fd9
JB		 6838 if (!rdev->ops->get_station)
6839 return -EOPNOTSUPP;
3b85875a 6840
73887fd9 6841 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
fd5b74dc 6842 if (err)
73887fd9 6843 return err;
2ec600d6 6844
fd2120ca 6845 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7ea3e110 6846 if (!msg) {
ba8f566a 6847 cfg80211_sinfo_release_content(&sinfo);
73887fd9 6848 return -ENOMEM;
7ea3e110 6849 }
fd5b74dc 6850
cf5ead82
JB		 6851 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6852 info->snd_portid, info->snd_seq, 0,
73887fd9 6853 rdev, dev, mac_addr, &sinfo) < 0) {
4c476991 6854 nlmsg_free(msg);
73887fd9 6855 return -ENOBUFS;
4c476991 6856 }
3b85875a 6857
73887fd9 6858 return genlmsg_reply(msg, info);
5727ef1b
JB		 6859}
6860
77ee7c89
JB		 6861int cfg80211_check_station_change(struct wiphy *wiphy,
6862 struct station_parameters *params,
6863 enum cfg80211_station_type statype)
6864{
e4208427
AB		 6865 if (params->listen_interval != -1 &&
6866 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89 6867 return -EINVAL;
e4208427 6868
17b94247
AB		 6869 if (params->support_p2p_ps != -1 &&
6870 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6871 return -EINVAL;
6872
c72e1140 6873 if (params->aid &&
e4208427
AB		 6874 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6875 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89
JB		 6876 return -EINVAL;
6877
6878 /* When you run into this, adjust the code below for the new flag */
6879 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6880
6881 switch (statype) {
eef941e6
TP		 6882 case CFG80211_STA_MESH_PEER_KERNEL:
6883 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 6884 /*
6885 * No ignoring the TDLS flag here -- the userspace mesh
6886 * code doesn't have the bug of including TDLS in the
6887 * mask everywhere.
6888 */
6889 if (params->sta_flags_mask &
6890 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6891 BIT(NL80211_STA_FLAG_MFP) |
6892 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6893 return -EINVAL;
6894 break;
6895 case CFG80211_STA_TDLS_PEER_SETUP:
6896 case CFG80211_STA_TDLS_PEER_ACTIVE:
6897 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6898 return -EINVAL;
6899 /* ignore since it can't change */
6900 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6901 break;
6902 default:
6903 /* disallow mesh-specific things */
6904 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6905 return -EINVAL;
6906 if (params->local_pm)
6907 return -EINVAL;
6908 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6909 return -EINVAL;
6910 }
6911
6912 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6913 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6914 /* TDLS can't be set, ... */
6915 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6916 return -EINVAL;
6917 /*
6918 * ... but don't bother the driver with it. This works around
6919 * a hostapd/wpa_supplicant issue -- it always includes the
6920 * TLDS_PEER flag in the mask even for AP mode.
6921 */
6922 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6923 }
6924
47edb11b
AB		 6925 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6926 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 6927 /* reject other things that can't change */
6928 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6929 return -EINVAL;
6930 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6931 return -EINVAL;
b95eb7f0 6932 if (params->link_sta_params.supported_rates)
77ee7c89 6933 return -EINVAL;
b95eb7f0
ST		 6934 if (params->ext_capab || params->link_sta_params.ht_capa ||
6935 params->link_sta_params.vht_capa ||
6936 params->link_sta_params.he_capa ||
6937 params->link_sta_params.eht_capa)
77ee7c89
JB		 6938 return -EINVAL;
6939 }
6940
47edb11b
AB		 6941 if (statype != CFG80211_STA_AP_CLIENT &&
6942 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 6943 if (params->vlan)
6944 return -EINVAL;
6945 }
6946
6947 switch (statype) {
6948 case CFG80211_STA_AP_MLME_CLIENT:
6949 /* Use this only for authorizing/unauthorizing a station */
6950 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6951 return -EOPNOTSUPP;
6952 break;
6953 case CFG80211_STA_AP_CLIENT:
47edb11b 6954 case CFG80211_STA_AP_CLIENT_UNASSOC:
77ee7c89
JB		 6955 /* accept only the listed bits */
6956 if (params->sta_flags_mask &
6957 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6958 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6959 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6960 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6961 BIT(NL80211_STA_FLAG_WME) |
6962 BIT(NL80211_STA_FLAG_MFP)))
6963 return -EINVAL;
6964
6965 /* but authenticated/associated only if driver handles it */
6966 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6967 params->sta_flags_mask &
6968 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6969 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6970 return -EINVAL;
6971 break;
6972 case CFG80211_STA_IBSS:
6973 case CFG80211_STA_AP_STA:
6974 /* reject any changes other than AUTHORIZED */
6975 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6976 return -EINVAL;
6977 break;
6978 case CFG80211_STA_TDLS_PEER_SETUP:
6979 /* reject any changes other than AUTHORIZED or WME */
6980 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6981 BIT(NL80211_STA_FLAG_WME)))
6982 return -EINVAL;
6983 /* force (at least) rates when authorizing */
6984 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
b95eb7f0 6985 !params->link_sta_params.supported_rates)
77ee7c89
JB		 6986 return -EINVAL;
6987 break;
6988 case CFG80211_STA_TDLS_PEER_ACTIVE:
6989 /* reject any changes */
6990 return -EINVAL;
eef941e6 6991 case CFG80211_STA_MESH_PEER_KERNEL:
77ee7c89
JB		 6992 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6993 return -EINVAL;
6994 break;
eef941e6 6995 case CFG80211_STA_MESH_PEER_USER:
42925040
CYY		 6996 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6997 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
77ee7c89
JB		 6998 return -EINVAL;
6999 break;
7000 }
7001
06f7c88c
BL		 7002 /*
7003 * Older kernel versions ignored this attribute entirely, so don't
7004 * reject attempts to update it but mark it as unused instead so the
7005 * driver won't look at the data.
7006 */
7007 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
7008 statype != CFG80211_STA_TDLS_PEER_SETUP)
b95eb7f0 7009 params->link_sta_params.opmode_notif_used = false;
06f7c88c 7010
77ee7c89
JB		 7011 return 0;
7012}
7013EXPORT_SYMBOL(cfg80211_check_station_change);
7014
5727ef1b 7015/*
c258d2de 7016 * Get vlan interface making sure it is running and on the right wiphy.
5727ef1b 7017 */
80b99899
JB		 7018static struct net_device *get_vlan(struct genl_info *info,
7019 struct cfg80211_registered_device *rdev)
5727ef1b 7020{
463d0183 7021 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
80b99899
JB		 7022 struct net_device *v;
7023 int ret;
7024
7025 if (!vlanattr)
7026 return NULL;
7027
7028 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
7029 if (!v)
7030 return ERR_PTR(-ENODEV);
7031
7032 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
7033 ret = -EINVAL;
7034 goto error;
5727ef1b 7035 }
80b99899 7036
77ee7c89
JB		 7037 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
7038 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7039 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
7040 ret = -EINVAL;
7041 goto error;
7042 }
7043
80b99899
JB		 7044 if (!netif_running(v)) {
7045 ret = -ENETDOWN;
7046 goto error;
7047 }
7048
7049 return v;
7050 error:
7051 dev_put(v);
7052 return ERR_PTR(ret);
5727ef1b
JB		 7053}
7054
ff276691
JB		 7055static int nl80211_parse_sta_wme(struct genl_info *info,
7056 struct station_parameters *params)
df881293 7057{
df881293
JM		 7058 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
7059 struct nlattr *nla;
7060 int err;
7061
df881293
JM		 7062 /* parse WME attributes if present */
7063 if (!info->attrs[NL80211_ATTR_STA_WME])
7064 return 0;
7065
7066 nla = info->attrs[NL80211_ATTR_STA_WME];
8cb08174
JB		 7067 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
7068 nl80211_sta_wme_policy,
7069 info->extack);
df881293
JM		 7070 if (err)
7071 return err;
7072
7073 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
7074 params->uapsd_queues = nla_get_u8(
7075 tb[NL80211_STA_WME_UAPSD_QUEUES]);
7076 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
7077 return -EINVAL;
7078
7079 if (tb[NL80211_STA_WME_MAX_SP])
7080 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
7081
7082 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
7083 return -EINVAL;
7084
7085 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
7086
7087 return 0;
7088}
7089
c01fc9ad
SD		 7090static int nl80211_parse_sta_channel_info(struct genl_info *info,
7091 struct station_parameters *params)
7092{
7093 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
7094 params->supported_channels =
7095 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
7096 params->supported_channels_len =
7097 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
7098 /*
7099 * Need to include at least one (first channel, number of
cb9abd48
JB		 7100 * channels) tuple for each subband (checked in policy),
7101 * and must have proper tuples for the rest of the data as well.
c01fc9ad 7102 */
c01fc9ad
SD		 7103 if (params->supported_channels_len % 2)
7104 return -EINVAL;
7105 }
7106
7107 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
7108 params->supported_oper_classes =
7109 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
7110 params->supported_oper_classes_len =
7111 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
c01fc9ad
SD		 7112 }
7113 return 0;
7114}
7115
ff276691
JB		 7116static int nl80211_set_station_tdls(struct genl_info *info,
7117 struct station_parameters *params)
7118{
c01fc9ad 7119 int err;
ff276691 7120 /* Dummy STA entry gets updated once the peer capabilities are known */
5e4b6f56
JM		 7121 if (info->attrs[NL80211_ATTR_PEER_AID])
7122 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
ff276691 7123 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
b95eb7f0 7124 params->link_sta_params.ht_capa =
ff276691
JB		 7125 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7126 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
b95eb7f0 7127 params->link_sta_params.vht_capa =
ff276691 7128 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
c4cbaf79 7129 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
b95eb7f0 7130 params->link_sta_params.he_capa =
c4cbaf79 7131 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
b95eb7f0 7132 params->link_sta_params.he_capa_len =
c4cbaf79 7133 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
ea05fd35
IP		 7134
7135 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
b95eb7f0 7136 params->link_sta_params.eht_capa =
ea05fd35 7137 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
b95eb7f0 7138 params->link_sta_params.eht_capa_len =
ea05fd35
IP		 7139 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7140
b95eb7f0
ST		 7141 if (!ieee80211_eht_capa_size_ok((const u8 *)params->link_sta_params.he_capa,
7142 (const u8 *)params->link_sta_params.eht_capa,
ea5cba26
JB		 7143 params->link_sta_params.eht_capa_len,
7144 false))
ea05fd35
IP		 7145 return -EINVAL;
7146 }
c4cbaf79 7147 }
ff276691 7148
c01fc9ad
SD		 7149 err = nl80211_parse_sta_channel_info(info, params);
7150 if (err)
7151 return err;
7152
ff276691
JB		 7153 return nl80211_parse_sta_wme(info, params);
7154}
7155
e96d1cd2 7156static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
577e5b8c
ST		 7157 struct sta_txpwr *txpwr,
7158 bool *txpwr_set)
e96d1cd2
ARN		 7159{
7160 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7161 int idx;
7162
7163 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
7164 if (!rdev->ops->set_tx_power ||
7165 !wiphy_ext_feature_isset(&rdev->wiphy,
7166 NL80211_EXT_FEATURE_STA_TX_PWR))
7167 return -EOPNOTSUPP;
7168
7169 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
577e5b8c 7170 txpwr->type = nla_get_u8(info->attrs[idx]);
e96d1cd2 7171
577e5b8c 7172 if (txpwr->type == NL80211_TX_POWER_LIMITED) {
e96d1cd2
ARN		 7173 idx = NL80211_ATTR_STA_TX_POWER;
7174
7175 if (info->attrs[idx])
577e5b8c 7176 txpwr->power = nla_get_s16(info->attrs[idx]);
e96d1cd2
ARN		 7177 else
7178 return -EINVAL;
7179 }
577e5b8c
ST		 7180
7181 *txpwr_set = true;
7182 } else {
7183 *txpwr_set = false;
e96d1cd2
ARN		 7184 }
7185
7186 return 0;
7187}
7188
5727ef1b
JB		 7189static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
7190{
4c476991 7191 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 7192 struct net_device *dev = info->user_ptr[1];
5727ef1b 7193 struct station_parameters params;
77ee7c89
JB		 7194 u8 *mac_addr;
7195 int err;
5727ef1b
JB		 7196
7197 memset(&params, 0, sizeof(params));
7198
77ee7c89
JB		 7199 if (!rdev->ops->change_station)
7200 return -EOPNOTSUPP;
7201
e4208427
AB		 7202 /*
7203 * AID and listen_interval properties can be set only for unassociated
7204 * station. Include these parameters here and will check them in
7205 * cfg80211_check_station_change().
7206 */
a9bc31e4
AB		 7207 if (info->attrs[NL80211_ATTR_STA_AID])
7208 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
e4208427 7209
14f34e36
GG		 7210 if (info->attrs[NL80211_ATTR_VLAN_ID])
7211 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7212
e4208427
AB		 7213 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7214 params.listen_interval =
7215 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7216 else
7217 params.listen_interval = -1;
5727ef1b 7218
ab0d76f6
JB		 7219 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
7220 params.support_p2p_ps =
7221 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7222 else
17b94247 7223 params.support_p2p_ps = -1;
17b94247 7224
5727ef1b
JB		 7225 if (!info->attrs[NL80211_ATTR_MAC])
7226 return -EINVAL;
7227
d2bc5249
AO		 7228 params.link_sta_params.link_id =
7229 nl80211_link_id_or_invalid(info->attrs);
7230
7231 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7232 /* If MLD_ADDR attribute is set then this is an MLD station
7233 * and the MLD_ADDR attribute holds the MLD address and the
7234 * MAC attribute holds for the LINK address.
7235 * In that case, the link_id is also expected to be valid.
7236 */
7237 if (params.link_sta_params.link_id < 0)
7238 return -EINVAL;
7239
7240 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7241 params.link_sta_params.mld_mac = mac_addr;
7242 params.link_sta_params.link_mac =
7243 nla_data(info->attrs[NL80211_ATTR_MAC]);
7244 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7245 return -EINVAL;
7246 } else {
7247 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7248 }
7249
5727ef1b
JB		 7250
7251 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
b95eb7f0 7252 params.link_sta_params.supported_rates =
5727ef1b 7253 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
b95eb7f0 7254 params.link_sta_params.supported_rates_len =
5727ef1b
JB		 7255 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7256 }
7257
9d62a986
JM		 7258 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7259 params.capability =
7260 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7261 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7262 }
7263
7264 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7265 params.ext_capab =
7266 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7267 params.ext_capab_len =
7268 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7269 }
7270
bdd3ae3d 7271 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 7272 return -EINVAL;
7273
ab0d76f6 7274 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2ec600d6 7275 params.plink_action =
f8bacc21 7276 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2ec600d6 7277
f8bacc21 7278 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
9c3990aa 7279 params.plink_state =
f8bacc21 7280 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
ab0d76f6 7281 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7d27a0ba
MH		 7282 params.peer_aid = nla_get_u16(
7283 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
f8bacc21
JB		 7284 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
7285 }
9c3990aa 7286
ab0d76f6
JB		 7287 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
7288 params.local_pm = nla_get_u32(
3b1c5a53
MP		 7289 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
7290
06f7c88c 7291 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
b95eb7f0
ST		 7292 params.link_sta_params.opmode_notif_used = true;
7293 params.link_sta_params.opmode_notif =
06f7c88c
BL		 7294 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7295 }
7296
43e64bf3 7297 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
b95eb7f0 7298 params.link_sta_params.he_6ghz_capa =
fce2ff72 7299 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
43e64bf3 7300
36647055
THJ		 7301 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7302 params.airtime_weight =
7303 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7304
7305 if (params.airtime_weight &&
7306 !wiphy_ext_feature_isset(&rdev->wiphy,
7307 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7308 return -EOPNOTSUPP;
7309
b95eb7f0
ST		 7310 err = nl80211_parse_sta_txpower_setting(info,
7311 &params.link_sta_params.txpwr,
7312 &params.link_sta_params.txpwr_set);
e96d1cd2
ARN		 7313 if (err)
7314 return err;
7315
77ee7c89
JB		 7316 /* Include parameters for TDLS peer (will check later) */
7317 err = nl80211_set_station_tdls(info, &params);
7318 if (err)
7319 return err;
7320
7321 params.vlan = get_vlan(info, rdev);
7322 if (IS_ERR(params.vlan))
7323 return PTR_ERR(params.vlan);
7324
a97f4424
JB		 7325 switch (dev->ieee80211_ptr->iftype) {
7326 case NL80211_IFTYPE_AP:
7327 case NL80211_IFTYPE_AP_VLAN:
074ac8df 7328 case NL80211_IFTYPE_P2P_GO:
074ac8df 7329 case NL80211_IFTYPE_P2P_CLIENT:
a97f4424 7330 case NL80211_IFTYPE_STATION:
267335d6 7331 case NL80211_IFTYPE_ADHOC:
a97f4424 7332 case NL80211_IFTYPE_MESH_POINT:
a97f4424
JB		 7333 break;
7334 default:
77ee7c89
JB		 7335 err = -EOPNOTSUPP;
7336 goto out_put_vlan;
034d655e
JB		 7337 }
7338
77ee7c89 7339 /* driver will call cfg80211_check_station_change() */
e35e4d28 7340 err = rdev_change_station(rdev, dev, mac_addr, &params);
5727ef1b 7341
77ee7c89 7342 out_put_vlan:
1160dfa1 7343 dev_put(params.vlan);
3b85875a 7344
5727ef1b
JB		 7345 return err;
7346}
7347
7348static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
7349{
4c476991 7350 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5727ef1b 7351 int err;
4c476991 7352 struct net_device *dev = info->user_ptr[1];
efbfe516 7353 struct wireless_dev *wdev = dev->ieee80211_ptr;
5727ef1b
JB		 7354 struct station_parameters params;
7355 u8 *mac_addr = NULL;
bda95eb1
JB		 7356 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
7357 BIT(NL80211_STA_FLAG_ASSOCIATED);
5727ef1b
JB		 7358
7359 memset(&params, 0, sizeof(params));
7360
984c311b
JB		 7361 if (!rdev->ops->add_station)
7362 return -EOPNOTSUPP;
7363
5727ef1b
JB		 7364 if (!info->attrs[NL80211_ATTR_MAC])
7365 return -EINVAL;
7366
5727ef1b
JB		 7367 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7368 return -EINVAL;
7369
7370 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
7371 return -EINVAL;
7372
5e4b6f56
JM		 7373 if (!info->attrs[NL80211_ATTR_STA_AID] &&
7374 !info->attrs[NL80211_ATTR_PEER_AID])
0e956c13
TLSC		 7375 return -EINVAL;
7376
b95eb7f0
ST		 7377 params.link_sta_params.link_id =
7378 nl80211_link_id_or_invalid(info->attrs);
7379
c0d67012 7380 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
c0d67012
ST		 7381 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7382 params.link_sta_params.mld_mac = mac_addr;
7383 params.link_sta_params.link_mac =
7384 nla_data(info->attrs[NL80211_ATTR_MAC]);
7385 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7386 return -EINVAL;
7387 } else {
7388 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7389 }
7390
b95eb7f0 7391 params.link_sta_params.supported_rates =
5727ef1b 7392 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
b95eb7f0 7393 params.link_sta_params.supported_rates_len =
5727ef1b
JB		 7394 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7395 params.listen_interval =
7396 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
51b50fbe 7397
14f34e36
GG		 7398 if (info->attrs[NL80211_ATTR_VLAN_ID])
7399 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7400
17b94247 7401 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
ab0d76f6
JB		 7402 params.support_p2p_ps =
7403 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
17b94247
AB		 7404 } else {
7405 /*
7406 * if not specified, assume it's supported for P2P GO interface,
7407 * and is NOT supported for AP interface
7408 */
7409 params.support_p2p_ps =
7410 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
7411 }
7412
3d124ea2 7413 if (info->attrs[NL80211_ATTR_PEER_AID])
5e4b6f56 7414 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3d124ea2
JM		 7415 else
7416 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
51b50fbe 7417
9d62a986
JM		 7418 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7419 params.capability =
7420 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7421 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7422 }
7423
7424 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7425 params.ext_capab =
7426 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7427 params.ext_capab_len =
7428 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7429 }
7430
36aedc90 7431 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
b95eb7f0 7432 params.link_sta_params.ht_capa =
36aedc90 7433 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5727ef1b 7434
f461be3e 7435 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
b95eb7f0 7436 params.link_sta_params.vht_capa =
f461be3e
MP		 7437 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7438
c4cbaf79 7439 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
b95eb7f0 7440 params.link_sta_params.he_capa =
c4cbaf79 7441 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
b95eb7f0 7442 params.link_sta_params.he_capa_len =
c4cbaf79 7443 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
ea05fd35
IP		 7444
7445 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
b95eb7f0 7446 params.link_sta_params.eht_capa =
ea05fd35 7447 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
b95eb7f0 7448 params.link_sta_params.eht_capa_len =
ea05fd35
IP		 7449 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7450
b95eb7f0
ST		 7451 if (!ieee80211_eht_capa_size_ok((const u8 *)params.link_sta_params.he_capa,
7452 (const u8 *)params.link_sta_params.eht_capa,
ea5cba26
JB		 7453 params.link_sta_params.eht_capa_len,
7454 false))
ea05fd35
IP		 7455 return -EINVAL;
7456 }
c4cbaf79
LC		 7457 }
7458
43e64bf3 7459 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
b95eb7f0 7460 params.link_sta_params.he_6ghz_capa =
43e64bf3
RM		 7461 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7462
60f4a7b1 7463 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
b95eb7f0
ST		 7464 params.link_sta_params.opmode_notif_used = true;
7465 params.link_sta_params.opmode_notif =
60f4a7b1
MK		 7466 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7467 }
7468
ab0d76f6 7469 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
96b78dff 7470 params.plink_action =
f8bacc21 7471 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
96b78dff 7472
36647055
THJ		 7473 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7474 params.airtime_weight =
7475 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7476
7477 if (params.airtime_weight &&
7478 !wiphy_ext_feature_isset(&rdev->wiphy,
7479 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7480 return -EOPNOTSUPP;
7481
b95eb7f0
ST		 7482 err = nl80211_parse_sta_txpower_setting(info,
7483 &params.link_sta_params.txpwr,
7484 &params.link_sta_params.txpwr_set);
e96d1cd2
ARN		 7485 if (err)
7486 return err;
7487
c01fc9ad
SD		 7488 err = nl80211_parse_sta_channel_info(info, &params);
7489 if (err)
7490 return err;
7491
ff276691
JB		 7492 err = nl80211_parse_sta_wme(info, &params);
7493 if (err)
7494 return err;
bdd90d5e 7495
bdd3ae3d 7496 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 7497 return -EINVAL;
7498
496fcc29
JB		 7499 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
7500 * as userspace might just pass through the capabilities from the IEs
7501 * directly, rather than enforcing this restriction and returning an
7502 * error in this case.
7503 */
7504 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
b95eb7f0
ST		 7505 params.link_sta_params.ht_capa = NULL;
7506 params.link_sta_params.vht_capa = NULL;
c4cbaf79 7507
ea05fd35 7508 /* HE and EHT require WME */
b95eb7f0
ST		 7509 if (params.link_sta_params.he_capa_len ||
7510 params.link_sta_params.he_6ghz_capa ||
7511 params.link_sta_params.eht_capa_len)
c4cbaf79 7512 return -EINVAL;
496fcc29
JB		 7513 }
7514
43e64bf3 7515 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
b95eb7f0
ST		 7516 if (params.link_sta_params.he_6ghz_capa &&
7517 (params.link_sta_params.ht_capa || params.link_sta_params.vht_capa))
43e64bf3
RM		 7518 return -EINVAL;
7519
77ee7c89
JB		 7520 /* When you run into this, adjust the code below for the new flag */
7521 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
7522
bdd90d5e
JB		 7523 switch (dev->ieee80211_ptr->iftype) {
7524 case NL80211_IFTYPE_AP:
7525 case NL80211_IFTYPE_AP_VLAN:
7526 case NL80211_IFTYPE_P2P_GO:
984c311b
JB		 7527 /* ignore WME attributes if iface/sta is not capable */
7528 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
7529 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
7530 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
c75786c9 7531
bdd90d5e 7532 /* TDLS peers cannot be added */
3d124ea2
JM		 7533 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7534 info->attrs[NL80211_ATTR_PEER_AID])
4319e193 7535 return -EINVAL;
bdd90d5e
JB		 7536 /* but don't bother the driver with it */
7537 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3b9ce80c 7538
d582cffb
JB		 7539 /* allow authenticated/associated only if driver handles it */
7540 if (!(rdev->wiphy.features &
7541 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
bda95eb1 7542 params.sta_flags_mask & auth_assoc)
d582cffb
JB		 7543 return -EINVAL;
7544
bda95eb1
JB		 7545 /* Older userspace, or userspace wanting to be compatible with
7546 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
7547 * and assoc flags in the mask, but assumes the station will be
7548 * added as associated anyway since this was the required driver
7549 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
7550 * introduced.
7551 * In order to not bother drivers with this quirk in the API
7552 * set the flags in both the mask and set for new stations in
7553 * this case.
7554 */
7555 if (!(params.sta_flags_mask & auth_assoc)) {
7556 params.sta_flags_mask |= auth_assoc;
7557 params.sta_flags_set |= auth_assoc;
7558 }
7559
bdd90d5e
JB		 7560 /* must be last in here for error handling */
7561 params.vlan = get_vlan(info, rdev);
7562 if (IS_ERR(params.vlan))
7563 return PTR_ERR(params.vlan);
7564 break;
7565 case NL80211_IFTYPE_MESH_POINT:
984c311b
JB		 7566 /* ignore uAPSD data */
7567 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7568
d582cffb
JB		 7569 /* associated is disallowed */
7570 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
7571 return -EINVAL;
bdd90d5e 7572 /* TDLS peers cannot be added */
3d124ea2
JM		 7573 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7574 info->attrs[NL80211_ATTR_PEER_AID])
bdd90d5e
JB		 7575 return -EINVAL;
7576 break;
7577 case NL80211_IFTYPE_STATION:
93d08f0b 7578 case NL80211_IFTYPE_P2P_CLIENT:
984c311b
JB		 7579 /* ignore uAPSD data */
7580 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7581
77ee7c89
JB		 7582 /* these are disallowed */
7583 if (params.sta_flags_mask &
7584 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
7585 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
d582cffb 7586 return -EINVAL;
bdd90d5e
JB		 7587 /* Only TDLS peers can be added */
7588 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
7589 return -EINVAL;
7590 /* Can only add if TDLS ... */
7591 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
7592 return -EOPNOTSUPP;
7593 /* ... with external setup is supported */
7594 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
7595 return -EOPNOTSUPP;
77ee7c89
JB		 7596 /*
7597 * Older wpa_supplicant versions always mark the TDLS peer
7598 * as authorized, but it shouldn't yet be.
7599 */
7600 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
bdd90d5e
JB		 7601 break;
7602 default:
7603 return -EOPNOTSUPP;
c75786c9
EP		 7604 }
7605
bdd90d5e 7606 /* be aware of params.vlan when changing code here */
5727ef1b 7607
efbfe516
JB		 7608 if (wdev->valid_links) {
7609 if (params.link_sta_params.link_id < 0) {
7610 err = -EINVAL;
7611 goto out;
7612 }
7613 if (!(wdev->valid_links & BIT(params.link_sta_params.link_id))) {
7614 err = -ENOLINK;
7615 goto out;
7616 }
7617 } else {
7618 if (params.link_sta_params.link_id >= 0) {
7619 err = -EINVAL;
7620 goto out;
7621 }
7622 }
e35e4d28 7623 err = rdev_add_station(rdev, dev, mac_addr, &params);
efbfe516 7624out:
1160dfa1 7625 dev_put(params.vlan);
5727ef1b
JB		 7626 return err;
7627}
7628
7629static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
7630{
4c476991
JB		 7631 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7632 struct net_device *dev = info->user_ptr[1];
89c771e5
JM		 7633 struct station_del_parameters params;
7634
7635 memset(&params, 0, sizeof(params));
5727ef1b
JB		 7636
7637 if (info->attrs[NL80211_ATTR_MAC])
89c771e5 7638 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5727ef1b 7639
306b79ea
JB		 7640 switch (dev->ieee80211_ptr->iftype) {
7641 case NL80211_IFTYPE_AP:
7642 case NL80211_IFTYPE_AP_VLAN:
7643 case NL80211_IFTYPE_MESH_POINT:
7644 case NL80211_IFTYPE_P2P_GO:
7645 /* always accept these */
7646 break;
7647 case NL80211_IFTYPE_ADHOC:
7648 /* conditionally accept */
7649 if (wiphy_ext_feature_isset(&rdev->wiphy,
7650 NL80211_EXT_FEATURE_DEL_IBSS_STA))
7651 break;
edafcf42 7652 return -EINVAL;
306b79ea 7653 default:
4c476991 7654 return -EINVAL;
306b79ea 7655 }
5727ef1b 7656
4c476991
JB		 7657 if (!rdev->ops->del_station)
7658 return -EOPNOTSUPP;
3b85875a 7659
98856866
JM		 7660 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
7661 params.subtype =
7662 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
7663 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
7664 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
7665 return -EINVAL;
7666 } else {
7667 /* Default to Deauthentication frame */
7668 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
7669 }
7670
7671 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
7672 params.reason_code =
7673 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7674 if (params.reason_code == 0)
7675 return -EINVAL; /* 0 is reserved */
7676 } else {
7677 /* Default to reason code 2 */
7678 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
7679 }
7680
076fc877 7681 return rdev_del_station(rdev, dev, &params);
5727ef1b
JB		 7682}
7683
15e47304 7684static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
2ec600d6
LCC		 7685 int flags, struct net_device *dev,
7686 u8 *dst, u8 *next_hop,
7687 struct mpath_info *pinfo)
7688{
7689 void *hdr;
7690 struct nlattr *pinfoattr;
7691
1ef4c850 7692 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
2ec600d6
LCC		 7693 if (!hdr)
7694 return -1;
7695
9360ffd1
DM		 7696 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7697 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7698 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
7699 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
7700 goto nla_put_failure;
f5ea9120 7701
ae0be8de 7702 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
2ec600d6
LCC		 7703 if (!pinfoattr)
7704 goto nla_put_failure;
9360ffd1
DM		 7705 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
7706 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
7707 pinfo->frame_qlen))
7708 goto nla_put_failure;
7709 if (((pinfo->filled & MPATH_INFO_SN) &&
7710 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
7711 ((pinfo->filled & MPATH_INFO_METRIC) &&
7712 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
7713 pinfo->metric)) ||
7714 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
7715 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
7716 pinfo->exptime)) ||
7717 ((pinfo->filled & MPATH_INFO_FLAGS) &&
7718 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
7719 pinfo->flags)) ||
7720 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
7721 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
7722 pinfo->discovery_timeout)) ||
7723 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
7724 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
cc241636
JH		 7725 pinfo->discovery_retries)) ||
7726 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
7727 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
540bbcb9
JH		 7728 pinfo->hop_count)) ||
7729 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
7730 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
7731 pinfo->path_change_count)))
9360ffd1 7732 goto nla_put_failure;
2ec600d6
LCC		 7733
7734 nla_nest_end(msg, pinfoattr);
7735
053c095a
JB		 7736 genlmsg_end(msg, hdr);
7737 return 0;
2ec600d6
LCC		 7738
7739 nla_put_failure:
bc3ed28c
TG		 7740 genlmsg_cancel(msg, hdr);
7741 return -EMSGSIZE;
2ec600d6
LCC		 7742}
7743
7744static int nl80211_dump_mpath(struct sk_buff *skb,
bba95fef 7745 struct netlink_callback *cb)
2ec600d6 7746{
2ec600d6 7747 struct mpath_info pinfo;
1b8ec87a 7748 struct cfg80211_registered_device *rdev;
97990a06 7749 struct wireless_dev *wdev;
2ec600d6
LCC		 7750 u8 dst[ETH_ALEN];
7751 u8 next_hop[ETH_ALEN];
97990a06 7752 int path_idx = cb->args[2];
2ec600d6 7753 int err;
2ec600d6 7754
ce6b6974 7755 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
67748893 7756 if (err)
a05829a7
JB		 7757 return err;
7758 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7759 __acquire(&rdev->wiphy.mtx);
bba95fef 7760
1b8ec87a 7761 if (!rdev->ops->dump_mpath) {
eec60b03 7762 err = -EOPNOTSUPP;
bba95fef
JB		 7763 goto out_err;
7764 }
7765
97990a06 7766 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
eec60b03 7767 err = -EOPNOTSUPP;
0448b5fc 7768 goto out_err;
eec60b03
JM		 7769 }
7770
bba95fef 7771 while (1) {
1b8ec87a 7772 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
97990a06 7773 next_hop, &pinfo);
bba95fef 7774 if (err == -ENOENT)
2ec600d6 7775 break;
bba95fef 7776 if (err)
3b85875a 7777 goto out_err;
2ec600d6 7778
15e47304 7779 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
bba95fef 7780 cb->nlh->nlmsg_seq, NLM_F_MULTI,
97990a06 7781 wdev->netdev, dst, next_hop,
bba95fef
JB		 7782 &pinfo) < 0)
7783 goto out;
2ec600d6 7784
bba95fef 7785 path_idx++;
2ec600d6 7786 }
2ec600d6 7787
bba95fef 7788 out:
97990a06 7789 cb->args[2] = path_idx;
bba95fef 7790 err = skb->len;
bba95fef 7791 out_err:
a05829a7 7792 wiphy_unlock(&rdev->wiphy);
bba95fef 7793 return err;
2ec600d6
LCC		 7794}
7795
7796static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
7797{
4c476991 7798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 7799 int err;
4c476991 7800 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7801 struct mpath_info pinfo;
7802 struct sk_buff *msg;
7803 u8 *dst = NULL;
7804 u8 next_hop[ETH_ALEN];
7805
7806 memset(&pinfo, 0, sizeof(pinfo));
7807
7808 if (!info->attrs[NL80211_ATTR_MAC])
7809 return -EINVAL;
7810
7811 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7812
4c476991
JB		 7813 if (!rdev->ops->get_mpath)
7814 return -EOPNOTSUPP;
2ec600d6 7815
4c476991
JB		 7816 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7817 return -EOPNOTSUPP;
eec60b03 7818
e35e4d28 7819 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
2ec600d6 7820 if (err)
4c476991 7821 return err;
2ec600d6 7822
fd2120ca 7823 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2ec600d6 7824 if (!msg)
4c476991 7825 return -ENOMEM;
2ec600d6 7826
15e47304 7827 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4c476991
JB		 7828 dev, dst, next_hop, &pinfo) < 0) {
7829 nlmsg_free(msg);
7830 return -ENOBUFS;
7831 }
3b85875a 7832
4c476991 7833 return genlmsg_reply(msg, info);
2ec600d6
LCC		 7834}
7835
7836static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
7837{
4c476991
JB		 7838 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7839 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7840 u8 *dst = NULL;
7841 u8 *next_hop = NULL;
7842
7843 if (!info->attrs[NL80211_ATTR_MAC])
7844 return -EINVAL;
7845
7846 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7847 return -EINVAL;
7848
7849 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7850 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7851
4c476991
JB		 7852 if (!rdev->ops->change_mpath)
7853 return -EOPNOTSUPP;
35a8efe1 7854
4c476991
JB		 7855 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7856 return -EOPNOTSUPP;
2ec600d6 7857
e35e4d28 7858 return rdev_change_mpath(rdev, dev, dst, next_hop);
2ec600d6 7859}
4c476991 7860
2ec600d6
LCC		 7861static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7862{
4c476991
JB		 7863 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7864 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7865 u8 *dst = NULL;
7866 u8 *next_hop = NULL;
7867
7868 if (!info->attrs[NL80211_ATTR_MAC])
7869 return -EINVAL;
7870
7871 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7872 return -EINVAL;
7873
7874 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7875 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7876
4c476991
JB		 7877 if (!rdev->ops->add_mpath)
7878 return -EOPNOTSUPP;
35a8efe1 7879
4c476991
JB		 7880 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7881 return -EOPNOTSUPP;
2ec600d6 7882
e35e4d28 7883 return rdev_add_mpath(rdev, dev, dst, next_hop);
2ec600d6
LCC		 7884}
7885
7886static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7887{
4c476991
JB		 7888 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7889 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7890 u8 *dst = NULL;
7891
7892 if (info->attrs[NL80211_ATTR_MAC])
7893 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7894
4c476991
JB		 7895 if (!rdev->ops->del_mpath)
7896 return -EOPNOTSUPP;
3b85875a 7897
b501426c
MP		 7898 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7899 return -EOPNOTSUPP;
7900
e35e4d28 7901 return rdev_del_mpath(rdev, dev, dst);
2ec600d6
LCC		 7902}
7903
66be7d2b
HR		 7904static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7905{
7906 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7907 int err;
7908 struct net_device *dev = info->user_ptr[1];
7909 struct mpath_info pinfo;
7910 struct sk_buff *msg;
7911 u8 *dst = NULL;
7912 u8 mpp[ETH_ALEN];
7913
7914 memset(&pinfo, 0, sizeof(pinfo));
7915
7916 if (!info->attrs[NL80211_ATTR_MAC])
7917 return -EINVAL;
7918
7919 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7920
7921 if (!rdev->ops->get_mpp)
7922 return -EOPNOTSUPP;
7923
7924 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7925 return -EOPNOTSUPP;
7926
7927 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7928 if (err)
7929 return err;
7930
7931 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7932 if (!msg)
7933 return -ENOMEM;
7934
7935 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7936 dev, dst, mpp, &pinfo) < 0) {
7937 nlmsg_free(msg);
7938 return -ENOBUFS;
7939 }
7940
7941 return genlmsg_reply(msg, info);
7942}
7943
7944static int nl80211_dump_mpp(struct sk_buff *skb,
7945 struct netlink_callback *cb)
7946{
7947 struct mpath_info pinfo;
7948 struct cfg80211_registered_device *rdev;
7949 struct wireless_dev *wdev;
7950 u8 dst[ETH_ALEN];
7951 u8 mpp[ETH_ALEN];
7952 int path_idx = cb->args[2];
7953 int err;
7954
ce6b6974 7955 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
66be7d2b 7956 if (err)
a05829a7
JB		 7957 return err;
7958 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7959 __acquire(&rdev->wiphy.mtx);
66be7d2b
HR		 7960
7961 if (!rdev->ops->dump_mpp) {
7962 err = -EOPNOTSUPP;
7963 goto out_err;
7964 }
7965
7966 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7967 err = -EOPNOTSUPP;
7968 goto out_err;
7969 }
7970
7971 while (1) {
7972 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7973 mpp, &pinfo);
7974 if (err == -ENOENT)
7975 break;
7976 if (err)
7977 goto out_err;
7978
7979 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7980 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7981 wdev->netdev, dst, mpp,
7982 &pinfo) < 0)
7983 goto out;
7984
7985 path_idx++;
7986 }
7987
7988 out:
7989 cb->args[2] = path_idx;
7990 err = skb->len;
7991 out_err:
a05829a7 7992 wiphy_unlock(&rdev->wiphy);
66be7d2b
HR		 7993 return err;
7994}
7995
9f1ba906
JM		 7996static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7997{
4c476991
JB		 7998 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7999 struct net_device *dev = info->user_ptr[1];
9f1ba906
JM		 8000 struct bss_parameters params;
8001
8002 memset(&params, 0, sizeof(params));
1e0f8cc9 8003 params.link_id = nl80211_link_id_or_invalid(info->attrs);
9f1ba906
JM		 8004 /* default to not changing parameters */
8005 params.use_cts_prot = -1;
8006 params.use_short_preamble = -1;
8007 params.use_short_slot_time = -1;
fd8aaaf3 8008 params.ap_isolate = -1;
50b12f59 8009 params.ht_opmode = -1;
53cabad7
JB		 8010 params.p2p_ctwindow = -1;
8011 params.p2p_opp_ps = -1;
9f1ba906
JM		 8012
8013 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
8014 params.use_cts_prot =
8015 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
8016 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
8017 params.use_short_preamble =
8018 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
8019 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
8020 params.use_short_slot_time =
8021 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
90c97a04
JM		 8022 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8023 params.basic_rates =
8024 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8025 params.basic_rates_len =
8026 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8027 }
fd8aaaf3
FF		 8028 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
8029 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
50b12f59
HS		 8030 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
8031 params.ht_opmode =
8032 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
9f1ba906 8033
53cabad7
JB		 8034 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
8035 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8036 return -EINVAL;
8037 params.p2p_ctwindow =
ab0d76f6 8038 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 8039 if (params.p2p_ctwindow != 0 &&
8040 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
8041 return -EINVAL;
8042 }
8043
8044 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
8045 u8 tmp;
8046
8047 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8048 return -EINVAL;
8049 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 8050 params.p2p_opp_ps = tmp;
8051 if (params.p2p_opp_ps &&
8052 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
8053 return -EINVAL;
8054 }
8055
4c476991
JB		 8056 if (!rdev->ops->change_bss)
8057 return -EOPNOTSUPP;
9f1ba906 8058
074ac8df 8059 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991
JB		 8060 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8061 return -EOPNOTSUPP;
3b85875a 8062
076fc877 8063 return rdev_change_bss(rdev, dev, &params);
9f1ba906
JM		 8064}
8065
b2e1b302
LR		 8066static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
8067{
b2e1b302 8068 char *data = NULL;
05050753 8069 bool is_indoor;
57b5ce07 8070 enum nl80211_user_reg_hint_type user_reg_hint_type;
05050753
I		 8071 u32 owner_nlportid;
8072
80778f18
LR		 8073 /*
8074 * You should only get this when cfg80211 hasn't yet initialized
8075 * completely when built-in to the kernel right between the time
8076 * window between nl80211_init() and regulatory_init(), if that is
8077 * even possible.
8078 */
458f4f9e 8079 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
fe33eb39 8080 return -EINPROGRESS;
80778f18 8081
57b5ce07
LR		 8082 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
8083 user_reg_hint_type =
8084 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
8085 else
8086 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
8087
8088 switch (user_reg_hint_type) {
8089 case NL80211_USER_REG_HINT_USER:
8090 case NL80211_USER_REG_HINT_CELL_BASE:
52616f2b
IP		 8091 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8092 return -EINVAL;
8093
8094 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8095 return regulatory_hint_user(data, user_reg_hint_type);
8096 case NL80211_USER_REG_HINT_INDOOR:
05050753
I		 8097 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8098 owner_nlportid = info->snd_portid;
8099 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
8100 } else {
8101 owner_nlportid = 0;
8102 is_indoor = true;
8103 }
8104
8105 return regulatory_hint_indoor(is_indoor, owner_nlportid);
57b5ce07
LR		 8106 default:
8107 return -EINVAL;
8108 }
b2e1b302
LR		 8109}
8110
1ea4ff3e
JB		 8111static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
8112{
8113 return reg_reload_regdb();
8114}
8115
24bdd9f4 8116static int nl80211_get_mesh_config(struct sk_buff *skb,
29cbe68c 8117 struct genl_info *info)
93da9cc1 8118{
4c476991 8119 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 8120 struct net_device *dev = info->user_ptr[1];
29cbe68c
JB		 8121 struct wireless_dev *wdev = dev->ieee80211_ptr;
8122 struct mesh_config cur_params;
8123 int err = 0;
93da9cc1 8124 void *hdr;
8125 struct nlattr *pinfoattr;
8126 struct sk_buff *msg;
8127
29cbe68c
JB		 8128 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8129 return -EOPNOTSUPP;
8130
24bdd9f4 8131 if (!rdev->ops->get_mesh_config)
4c476991 8132 return -EOPNOTSUPP;
f3f92586 8133
29cbe68c 8134 /* If not connected, get default parameters */
7b0a0e3c 8135 if (!wdev->u.mesh.id_len)
29cbe68c
JB		 8136 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
8137 else
e35e4d28 8138 err = rdev_get_mesh_config(rdev, dev, &cur_params);
29cbe68c 8139
93da9cc1 8140 if (err)
4c476991 8141 return err;
93da9cc1 8142
8143 /* Draw up a netlink message to send back */
fd2120ca 8144 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 8145 if (!msg)
8146 return -ENOMEM;
15e47304 8147 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
24bdd9f4 8148 NL80211_CMD_GET_MESH_CONFIG);
93da9cc1 8149 if (!hdr)
efe1cf0c 8150 goto out;
ae0be8de 8151 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
93da9cc1 8152 if (!pinfoattr)
8153 goto nla_put_failure;
9360ffd1
DM		 8154 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8155 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
8156 cur_params.dot11MeshRetryTimeout) ||
8157 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
8158 cur_params.dot11MeshConfirmTimeout) ||
8159 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
8160 cur_params.dot11MeshHoldingTimeout) ||
8161 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8162 cur_params.dot11MeshMaxPeerLinks) ||
8163 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
8164 cur_params.dot11MeshMaxRetries) ||
8165 nla_put_u8(msg, NL80211_MESHCONF_TTL,
8166 cur_params.dot11MeshTTL) ||
8167 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
8168 cur_params.element_ttl) ||
8169 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8170 cur_params.auto_open_plinks) ||
7eab0f64
JL		 8171 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8172 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
9360ffd1
DM		 8173 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8174 cur_params.dot11MeshHWMPmaxPREQretries) ||
8175 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
8176 cur_params.path_refresh_time) ||
8177 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8178 cur_params.min_discovery_timeout) ||
8179 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8180 cur_params.dot11MeshHWMPactivePathTimeout) ||
8181 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8182 cur_params.dot11MeshHWMPpreqMinInterval) ||
8183 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8184 cur_params.dot11MeshHWMPperrMinInterval) ||
8185 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8186 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
8187 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
8188 cur_params.dot11MeshHWMPRootMode) ||
8189 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8190 cur_params.dot11MeshHWMPRannInterval) ||
8191 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8192 cur_params.dot11MeshGateAnnouncementProtocol) ||
8193 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
8194 cur_params.dot11MeshForwarding) ||
335d5349 8195 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
70c33eaa
AN		 8196 cur_params.rssi_threshold) ||
8197 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 8198 cur_params.ht_opmode) ||
8199 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8200 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
8201 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 8202 cur_params.dot11MeshHWMProotInterval) ||
8203 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3b1c5a53
MP		 8204 cur_params.dot11MeshHWMPconfirmationInterval) ||
8205 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
8206 cur_params.power_mode) ||
8207 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8e7c0538
CT		 8208 cur_params.dot11MeshAwakeWindowDuration) ||
8209 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
01d66fbd
BC		 8210 cur_params.plink_timeout) ||
8211 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
e3718a61
LL		 8212 cur_params.dot11MeshConnectedToMeshGate) ||
8213 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
184eebe6
MT		 8214 cur_params.dot11MeshNolearn) ||
8215 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
8216 cur_params.dot11MeshConnectedToAuthServer))
9360ffd1 8217 goto nla_put_failure;
93da9cc1 8218 nla_nest_end(msg, pinfoattr);
8219 genlmsg_end(msg, hdr);
4c476991 8220 return genlmsg_reply(msg, info);
93da9cc1 8221
3b85875a 8222 nla_put_failure:
efe1cf0c 8223 out:
d080e275 8224 nlmsg_free(msg);
4c476991 8225 return -ENOBUFS;
93da9cc1 8226}
8227
ab0d76f6
JB		 8228static const struct nla_policy
8229nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
8230 [NL80211_MESHCONF_RETRY_TIMEOUT] =
8231 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8232 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
8233 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8234 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
8235 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8236 [NL80211_MESHCONF_MAX_PEER_LINKS] =
8237 NLA_POLICY_RANGE(NLA_U16, 0, 255),
8238 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
8239 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8240 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8241 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
8242 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
8243 NLA_POLICY_RANGE(NLA_U32, 1, 255),
93da9cc1 8244 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
8245 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
ab0d76f6 8246 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
93da9cc1 8247 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 8248 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
8249 NLA_POLICY_MIN(NLA_U16, 1),
8250 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
8251 NLA_POLICY_MIN(NLA_U16, 1),
8252 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
8253 NLA_POLICY_MIN(NLA_U16, 1),
8254 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
8255 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
8256 NLA_POLICY_MIN(NLA_U16, 1),
8257 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
8258 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
8259 [NL80211_MESHCONF_RSSI_THRESHOLD] =
8260 NLA_POLICY_RANGE(NLA_S32, -255, 0),
a4f606ea 8261 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
ac1073a6 8262 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 8263 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
8264 NLA_POLICY_MIN(NLA_U16, 1),
8265 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
8266 NLA_POLICY_MIN(NLA_U16, 1),
8267 [NL80211_MESHCONF_POWER_MODE] =
8268 NLA_POLICY_RANGE(NLA_U32,
8269 NL80211_MESH_POWER_ACTIVE,
8270 NL80211_MESH_POWER_MAX),
3b1c5a53 8271 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8e7c0538 8272 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
01d66fbd 8273 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
e3718a61 8274 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
184eebe6 8275 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
93da9cc1 8276};
8277
c80d545d
JC		 8278static const struct nla_policy
8279 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
d299a1f2 8280 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
c80d545d
JC		 8281 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
8282 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
15d5dda6 8283 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6e16d90b 8284 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
bb2798d4 8285 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
3d7af878
JB		 8286 [NL80211_MESH_SETUP_IE] =
8287 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
8288 IEEE80211_MAX_DATA_LEN),
b130e5ce 8289 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
c80d545d
JC		 8290};
8291
24bdd9f4 8292static int nl80211_parse_mesh_config(struct genl_info *info,
bd90fdcc
JB		 8293 struct mesh_config *cfg,
8294 u32 *mask_out)
93da9cc1 8295{
93da9cc1 8296 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
bd90fdcc 8297 u32 mask = 0;
9757235f 8298 u16 ht_opmode;
93da9cc1 8299
ab0d76f6
JB		 8300#define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
8301do { \
8302 if (tb[attr]) { \
8303 cfg->param = fn(tb[attr]); \
8304 mask |= BIT((attr) - 1); \
8305 } \
ea54fba2 8306} while (0)
bd90fdcc 8307
24bdd9f4 8308 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
93da9cc1 8309 return -EINVAL;
8cb08174 8310 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
93da9cc1 8311 return -EINVAL;
8312
93da9cc1 8313 /* This makes sure that there aren't more than 32 mesh config
8314 * parameters (otherwise our bitfield scheme would not work.) */
8315 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
8316
8317 /* Fill in the params struct */
ab0d76f6
JB		 8318 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
8319 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
8320 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
8321 NL80211_MESHCONF_CONFIRM_TIMEOUT,
8322 nla_get_u16);
8323 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
8324 NL80211_MESHCONF_HOLDING_TIMEOUT,
8325 nla_get_u16);
8326 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
8327 NL80211_MESHCONF_MAX_PEER_LINKS,
8328 nla_get_u16);
8329 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
8330 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
8331 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
8332 NL80211_MESHCONF_TTL, nla_get_u8);
8333 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
8334 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
8335 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
8336 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8337 nla_get_u8);
ea54fba2 8338 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
ab0d76f6 8339 mask,
a4f606ea 8340 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
ab0d76f6
JB		 8341 nla_get_u32);
8342 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
8343 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8344 nla_get_u8);
8345 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
8346 NL80211_MESHCONF_PATH_REFRESH_TIME,
8347 nla_get_u32);
8348 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
8349 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
8350 return -EINVAL;
8351 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
8352 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8353 nla_get_u16);
ea54fba2 8354 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
ab0d76f6 8355 mask,
a4f606ea 8356 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
ab0d76f6
JB		 8357 nla_get_u32);
8358 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
8359 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
8360 cfg->dot11MeshHWMPactivePathTimeout > 65535))
8361 return -EINVAL;
8362 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
ea54fba2 8363 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
ab0d76f6
JB		 8364 nla_get_u16);
8365 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
ea54fba2 8366 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
ab0d76f6 8367 nla_get_u16);
93da9cc1 8368 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6 8369 dot11MeshHWMPnetDiameterTraversalTime, mask,
a4f606ea 8370 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
ab0d76f6
JB		 8371 nla_get_u16);
8372 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
8373 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
8374 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
8375 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8376 nla_get_u16);
8377 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
ea54fba2 8378 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
ab0d76f6
JB		 8379 nla_get_u8);
8380 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
8381 NL80211_MESHCONF_FORWARDING, nla_get_u8);
8382 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
8383 NL80211_MESHCONF_RSSI_THRESHOLD,
8384 nla_get_s32);
01d66fbd
BC		 8385 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
8386 NL80211_MESHCONF_CONNECTED_TO_GATE,
8387 nla_get_u8);
184eebe6
MT		 8388 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
8389 NL80211_MESHCONF_CONNECTED_TO_AS,
8390 nla_get_u8);
9757235f
MH		 8391 /*
8392 * Check HT operation mode based on
188f60ab 8393 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
9757235f
MH		 8394 */
8395 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
8396 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
8397
8398 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
8399 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
8400 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
8401 return -EINVAL;
8402
188f60ab
BC		 8403 /* NON_HT_STA bit is reserved, but some programs set it */
8404 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
9757235f 8405
9757235f 8406 cfg->ht_opmode = ht_opmode;
fd551bac 8407 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
9757235f 8408 }
728b19e5 8409 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6
JB		 8410 dot11MeshHWMPactivePathToRootTimeout, mask,
8411 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8412 nla_get_u32);
8413 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
8414 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
8415 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
8416 return -EINVAL;
8417 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
8418 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8419 nla_get_u16);
8420 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
8421 mask,
728b19e5 8422 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
ab0d76f6
JB		 8423 nla_get_u16);
8424 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
8425 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
8426 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
8427 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
8428 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
8429 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
e3718a61
LL		 8430 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
8431 NL80211_MESHCONF_NOLEARN, nla_get_u8);
bd90fdcc
JB		 8432 if (mask_out)
8433 *mask_out = mask;
c80d545d 8434
bd90fdcc
JB		 8435 return 0;
8436
8437#undef FILL_IN_MESH_PARAM_IF_SET
8438}
8439
c80d545d
JC		 8440static int nl80211_parse_mesh_setup(struct genl_info *info,
8441 struct mesh_setup *setup)
8442{
bb2798d4 8443 struct cfg80211_registered_device *rdev = info->user_ptr[0];
c80d545d
JC		 8444 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
8445
8446 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
8447 return -EINVAL;
8cb08174 8448 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
c80d545d
JC		 8449 return -EINVAL;
8450
d299a1f2
JC		 8451 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
8452 setup->sync_method =
8453 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
8454 IEEE80211_SYNC_METHOD_VENDOR :
8455 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
8456
c80d545d
JC		 8457 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
8458 setup->path_sel_proto =
8459 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
8460 IEEE80211_PATH_PROTOCOL_VENDOR :
8461 IEEE80211_PATH_PROTOCOL_HWMP;
8462
8463 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
8464 setup->path_metric =
8465 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
8466 IEEE80211_PATH_METRIC_VENDOR :
8467 IEEE80211_PATH_METRIC_AIRTIME;
8468
581a8b0f 8469 if (tb[NL80211_MESH_SETUP_IE]) {
c80d545d 8470 struct nlattr *ieattr =
581a8b0f 8471 tb[NL80211_MESH_SETUP_IE];
581a8b0f
JC		 8472 setup->ie = nla_data(ieattr);
8473 setup->ie_len = nla_len(ieattr);
c80d545d 8474 }
bb2798d4
TP		 8475 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
8476 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
8477 return -EINVAL;
8478 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
b130e5ce
JC		 8479 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
8480 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
bb2798d4
TP		 8481 if (setup->is_secure)
8482 setup->user_mpm = true;
c80d545d 8483
6e16d90b
CT		 8484 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
8485 if (!setup->user_mpm)
8486 return -EINVAL;
8487 setup->auth_id =
8488 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
8489 }
8490
c80d545d
JC		 8491 return 0;
8492}
8493
24bdd9f4 8494static int nl80211_update_mesh_config(struct sk_buff *skb,
29cbe68c 8495 struct genl_info *info)
bd90fdcc
JB		 8496{
8497 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8498 struct net_device *dev = info->user_ptr[1];
29cbe68c 8499 struct wireless_dev *wdev = dev->ieee80211_ptr;
334bf33e 8500 struct mesh_config cfg = {};
bd90fdcc
JB		 8501 u32 mask;
8502 int err;
8503
29cbe68c
JB		 8504 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8505 return -EOPNOTSUPP;
8506
24bdd9f4 8507 if (!rdev->ops->update_mesh_config)
bd90fdcc
JB		 8508 return -EOPNOTSUPP;
8509
24bdd9f4 8510 err = nl80211_parse_mesh_config(info, &cfg, &mask);
bd90fdcc
JB		 8511 if (err)
8512 return err;
8513
7b0a0e3c 8514 if (!wdev->u.mesh.id_len)
29cbe68c
JB		 8515 err = -ENOLINK;
8516
8517 if (!err)
e35e4d28 8518 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
29cbe68c 8519
29cbe68c 8520 return err;
93da9cc1 8521}
8522
ad30ca2c
AN		 8523static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
8524 struct sk_buff *msg)
f130347c 8525{
f130347c
LR		 8526 struct nlattr *nl_reg_rules;
8527 unsigned int i;
f130347c 8528
458f4f9e
JB		 8529 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
8530 (regdom->dfs_region &&
8531 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
ad30ca2c 8532 goto nla_put_failure;
458f4f9e 8533
ae0be8de 8534 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
f130347c 8535 if (!nl_reg_rules)
ad30ca2c 8536 goto nla_put_failure;
f130347c 8537
458f4f9e 8538 for (i = 0; i < regdom->n_reg_rules; i++) {
f130347c
LR		 8539 struct nlattr *nl_reg_rule;
8540 const struct ieee80211_reg_rule *reg_rule;
8541 const struct ieee80211_freq_range *freq_range;
8542 const struct ieee80211_power_rule *power_rule;
97524820 8543 unsigned int max_bandwidth_khz;
f130347c 8544
458f4f9e 8545 reg_rule = &regdom->reg_rules[i];
f130347c
LR		 8546 freq_range = &reg_rule->freq_range;
8547 power_rule = &reg_rule->power_rule;
8548
ae0be8de 8549 nl_reg_rule = nla_nest_start_noflag(msg, i);
f130347c 8550 if (!nl_reg_rule)
ad30ca2c 8551 goto nla_put_failure;
f130347c 8552
97524820
JD		 8553 max_bandwidth_khz = freq_range->max_bandwidth_khz;
8554 if (!max_bandwidth_khz)
8555 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
8556 reg_rule);
8557
9360ffd1
DM		 8558 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
8559 reg_rule->flags) ||
8560 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
8561 freq_range->start_freq_khz) ||
8562 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
8563 freq_range->end_freq_khz) ||
8564 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
97524820 8565 max_bandwidth_khz) ||
9360ffd1
DM		 8566 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
8567 power_rule->max_antenna_gain) ||
8568 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
089027e5
JD		 8569 power_rule->max_eirp) ||
8570 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
8571 reg_rule->dfs_cac_ms))
ad30ca2c 8572 goto nla_put_failure;
f130347c 8573
ddd7f45c
WG		 8574 if ((reg_rule->flags & NL80211_RRF_PSD) &&
8575 nla_put_s8(msg, NL80211_ATTR_POWER_RULE_PSD,
8576 reg_rule->psd))
8577 goto nla_put_failure;
8578
f130347c
LR		 8579 nla_nest_end(msg, nl_reg_rule);
8580 }
8581
8582 nla_nest_end(msg, nl_reg_rules);
ad30ca2c
AN		 8583 return 0;
8584
8585nla_put_failure:
8586 return -EMSGSIZE;
8587}
8588
8589static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
8590{
8591 const struct ieee80211_regdomain *regdom = NULL;
8592 struct cfg80211_registered_device *rdev;
8593 struct wiphy *wiphy = NULL;
8594 struct sk_buff *msg;
024fcf5e 8595 int err = -EMSGSIZE;
ad30ca2c
AN		 8596 void *hdr;
8597
8598 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8599 if (!msg)
8600 return -ENOBUFS;
8601
8602 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8603 NL80211_CMD_GET_REG);
8604 if (!hdr)
8605 goto put_failure;
8606
a05829a7
JB		 8607 rtnl_lock();
8608
ad30ca2c 8609 if (info->attrs[NL80211_ATTR_WIPHY]) {
1bdd716c
AN		 8610 bool self_managed;
8611
ad30ca2c
AN		 8612 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8613 if (IS_ERR(rdev)) {
024fcf5e
JB		 8614 err = PTR_ERR(rdev);
8615 goto nla_put_failure;
ad30ca2c
AN		 8616 }
8617
8618 wiphy = &rdev->wiphy;
1bdd716c
AN		 8619 self_managed = wiphy->regulatory_flags &
8620 REGULATORY_WIPHY_SELF_MANAGED;
024fcf5e
JB		 8621
8622 rcu_read_lock();
8623
ad30ca2c
AN		 8624 regdom = get_wiphy_regdom(wiphy);
8625
1bdd716c
AN		 8626 /* a self-managed-reg device must have a private regdom */
8627 if (WARN_ON(!regdom && self_managed)) {
024fcf5e
JB		 8628 err = -EINVAL;
8629 goto nla_put_failure_rcu;
1bdd716c
AN		 8630 }
8631
ad30ca2c
AN		 8632 if (regdom &&
8633 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
024fcf5e
JB		 8634 goto nla_put_failure_rcu;
8635 } else {
8636 rcu_read_lock();
ad30ca2c
AN		 8637 }
8638
8639 if (!wiphy && reg_last_request_cell_base() &&
8640 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8641 NL80211_USER_REG_HINT_CELL_BASE))
024fcf5e 8642 goto nla_put_failure_rcu;
ad30ca2c
AN		 8643
8644 if (!regdom)
8645 regdom = rcu_dereference(cfg80211_regdomain);
8646
8647 if (nl80211_put_regdom(regdom, msg))
8648 goto nla_put_failure_rcu;
8649
8650 rcu_read_unlock();
f130347c
LR		 8651
8652 genlmsg_end(msg, hdr);
a05829a7 8653 rtnl_unlock();
5fe231e8 8654 return genlmsg_reply(msg, info);
f130347c 8655
458f4f9e
JB		 8656nla_put_failure_rcu:
8657 rcu_read_unlock();
f130347c 8658nla_put_failure:
a05829a7 8659 rtnl_unlock();
efe1cf0c 8660put_failure:
d080e275 8661 nlmsg_free(msg);
024fcf5e 8662 return err;
f130347c
LR		 8663}
8664
ad30ca2c
AN		 8665static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
8666 u32 seq, int flags, struct wiphy *wiphy,
8667 const struct ieee80211_regdomain *regdom)
8668{
8669 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8670 NL80211_CMD_GET_REG);
8671
8672 if (!hdr)
8673 return -1;
8674
0a833c29 8675 genl_dump_check_consistent(cb, hdr);
ad30ca2c
AN		 8676
8677 if (nl80211_put_regdom(regdom, msg))
8678 goto nla_put_failure;
8679
8680 if (!wiphy && reg_last_request_cell_base() &&
8681 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8682 NL80211_USER_REG_HINT_CELL_BASE))
8683 goto nla_put_failure;
8684
8685 if (wiphy &&
8686 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8687 goto nla_put_failure;
8688
1bdd716c
AN		 8689 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
8690 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
8691 goto nla_put_failure;
8692
053c095a
JB		 8693 genlmsg_end(msg, hdr);
8694 return 0;
ad30ca2c
AN		 8695
8696nla_put_failure:
8697 genlmsg_cancel(msg, hdr);
8698 return -EMSGSIZE;
8699}
8700
8701static int nl80211_get_reg_dump(struct sk_buff *skb,
8702 struct netlink_callback *cb)
8703{
8704 const struct ieee80211_regdomain *regdom = NULL;
8705 struct cfg80211_registered_device *rdev;
8706 int err, reg_idx, start = cb->args[2];
8707
024fcf5e 8708 rcu_read_lock();
ad30ca2c
AN		 8709
8710 if (cfg80211_regdomain && start == 0) {
8711 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8712 NLM_F_MULTI, NULL,
024fcf5e 8713 rcu_dereference(cfg80211_regdomain));
ad30ca2c
AN		 8714 if (err < 0)
8715 goto out_err;
8716 }
8717
8718 /* the global regdom is idx 0 */
8719 reg_idx = 1;
024fcf5e 8720 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ad30ca2c
AN		 8721 regdom = get_wiphy_regdom(&rdev->wiphy);
8722 if (!regdom)
8723 continue;
8724
8725 if (++reg_idx <= start)
8726 continue;
8727
8728 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8729 NLM_F_MULTI, &rdev->wiphy, regdom);
8730 if (err < 0) {
8731 reg_idx--;
8732 break;
8733 }
8734 }
8735
8736 cb->args[2] = reg_idx;
8737 err = skb->len;
8738out_err:
024fcf5e 8739 rcu_read_unlock();
ad30ca2c
AN		 8740 return err;
8741}
8742
b6863036
JB		 8743#ifdef CONFIG_CFG80211_CRDA_SUPPORT
8744static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
8745 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
8746 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
8747 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
8748 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
8749 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
8750 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
8751 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
8752};
8753
8754static int parse_reg_rule(struct nlattr *tb[],
8755 struct ieee80211_reg_rule *reg_rule)
8756{
8757 struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
8758 struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
8759
8760 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
8761 return -EINVAL;
8762 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
8763 return -EINVAL;
8764 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
8765 return -EINVAL;
8766 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
8767 return -EINVAL;
8768 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
8769 return -EINVAL;
8770
8771 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
8772
8773 freq_range->start_freq_khz =
8774 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
8775 freq_range->end_freq_khz =
8776 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
8777 freq_range->max_bandwidth_khz =
8778 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
8779
8780 power_rule->max_eirp =
8781 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
8782
8783 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
8784 power_rule->max_antenna_gain =
8785 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
8786
8787 if (tb[NL80211_ATTR_DFS_CAC_TIME])
8788 reg_rule->dfs_cac_ms =
8789 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
8790
8791 return 0;
8792}
8793
b2e1b302
LR		 8794static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
8795{
8796 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
8797 struct nlattr *nl_reg_rule;
ea372c54
JB		 8798 char *alpha2;
8799 int rem_reg_rules, r;
391d132c 8800 u32 num_rules = 0, rule_idx = 0;
4c7d3982 8801 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
ea372c54 8802 struct ieee80211_regdomain *rd;
b2e1b302
LR		 8803
8804 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8805 return -EINVAL;
8806
8807 if (!info->attrs[NL80211_ATTR_REG_RULES])
8808 return -EINVAL;
8809
8810 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8811
8b60b078
LR		 8812 if (info->attrs[NL80211_ATTR_DFS_REGION])
8813 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
8814
b2e1b302 8815 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 8816 rem_reg_rules) {
b2e1b302
LR		 8817 num_rules++;
8818 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4776c6e7 8819 return -EINVAL;
b2e1b302
LR		 8820 }
8821
a05829a7
JB		 8822 rtnl_lock();
8823 if (!reg_is_valid_request(alpha2)) {
8824 r = -EINVAL;
8825 goto out;
8826 }
e438768f 8827
391d132c 8828 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
a05829a7
JB		 8829 if (!rd) {
8830 r = -ENOMEM;
8831 goto out;
8832 }
b2e1b302
LR		 8833
8834 rd->n_reg_rules = num_rules;
8835 rd->alpha2[0] = alpha2[0];
8836 rd->alpha2[1] = alpha2[1];
8837
8b60b078
LR		 8838 /*
8839 * Disable DFS master mode if the DFS region was
8840 * not supported or known on this kernel.
8841 */
8842 if (reg_supported_dfs_region(dfs_region))
8843 rd->dfs_region = dfs_region;
8844
b2e1b302 8845 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 8846 rem_reg_rules) {
8cb08174
JB		 8847 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8848 nl_reg_rule, reg_rule_policy,
8849 info->extack);
ae811e21
JB		 8850 if (r)
8851 goto bad_reg;
b2e1b302
LR		 8852 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8853 if (r)
8854 goto bad_reg;
8855
8856 rule_idx++;
8857
d0e18f83
LR		 8858 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8859 r = -EINVAL;
b2e1b302 8860 goto bad_reg;
d0e18f83 8861 }
b2e1b302
LR		 8862 }
8863
a05829a7 8864 r = set_regdom(rd, REGD_SOURCE_CRDA);
06627990 8865 /* set_regdom takes ownership of rd */
a05829a7 8866 rd = NULL;
d2372b31 8867 bad_reg:
b2e1b302 8868 kfree(rd);
a05829a7
JB		 8869 out:
8870 rtnl_unlock();
d0e18f83 8871 return r;
b2e1b302 8872}
b6863036 8873#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
b2e1b302 8874
83f5e2cf
JB		 8875static int validate_scan_freqs(struct nlattr *freqs)
8876{
8877 struct nlattr *attr1, *attr2;
8878 int n_channels = 0, tmp1, tmp2;
8879
d7f13f74
SD		 8880 nla_for_each_nested(attr1, freqs, tmp1)
8881 if (nla_len(attr1) != sizeof(u32))
8882 return 0;
8883
83f5e2cf
JB		 8884 nla_for_each_nested(attr1, freqs, tmp1) {
8885 n_channels++;
8886 /*
8887 * Some hardware has a limited channel list for
8888 * scanning, and it is pretty much nonsensical
8889 * to scan for a channel twice, so disallow that
8890 * and don't require drivers to check that the
8891 * channel list they get isn't longer than what
8892 * they can scan, as long as they can scan all
8893 * the channels they registered at once.
8894 */
8895 nla_for_each_nested(attr2, freqs, tmp2)
8896 if (attr1 != attr2 &&
8897 nla_get_u32(attr1) == nla_get_u32(attr2))
8898 return 0;
8899 }
8900
8901 return n_channels;
8902}
8903
57fbcce3 8904static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
38de03d2 8905{
57fbcce3 8906 return b < NUM_NL80211_BANDS && wiphy->bands[b];
38de03d2
AS		 8907}
8908
8909static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8910 struct cfg80211_bss_selection *bss_select)
8911{
8912 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8913 struct nlattr *nest;
8914 int err;
8915 bool found = false;
8916 int i;
8917
8918 /* only process one nested attribute */
8919 nest = nla_data(nla);
8920 if (!nla_ok(nest, nla_len(nest)))
8921 return -EINVAL;
8922
8cb08174
JB		 8923 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8924 nest, nl80211_bss_select_policy,
8925 NULL);
38de03d2
AS		 8926 if (err)
8927 return err;
8928
8929 /* only one attribute may be given */
8930 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8931 if (attr[i]) {
8932 if (found)
8933 return -EINVAL;
8934 found = true;
8935 }
8936 }
8937
8938 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8939
8940 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8941 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8942
8943 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8944 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8945 bss_select->param.band_pref =
8946 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8947 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8948 return -EINVAL;
8949 }
8950
8951 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8952 struct nl80211_bss_select_rssi_adjust *adj_param;
8953
8954 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8955 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8956 bss_select->param.adjust.band = adj_param->band;
8957 bss_select->param.adjust.delta = adj_param->delta;
8958 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8959 return -EINVAL;
8960 }
8961
8962 /* user-space did not provide behaviour attribute */
8963 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8964 return -EINVAL;
8965
8966 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8967 return -EINVAL;
8968
8969 return 0;
8970}
8971
9bb7e0f2
JB		 8972int nl80211_parse_random_mac(struct nlattr **attrs,
8973 u8 *mac_addr, u8 *mac_addr_mask)
ad2b26ab
JB		 8974{
8975 int i;
8976
8977 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
d2beae10
JP		 8978 eth_zero_addr(mac_addr);
8979 eth_zero_addr(mac_addr_mask);
ad2b26ab
JB		 8980 mac_addr[0] = 0x2;
8981 mac_addr_mask[0] = 0x3;
8982
8983 return 0;
8984 }
8985
8986 /* need both or none */
8987 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8988 return -EINVAL;
8989
8990 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8991 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8992
8993 /* don't allow or configure an mcast address */
8994 if (!is_multicast_ether_addr(mac_addr_mask) ||
8995 is_multicast_ether_addr(mac_addr))
8996 return -EINVAL;
8997
8998 /*
8999 * allow users to pass a MAC address that has bits set outside
9000 * of the mask, but don't bother drivers with having to deal
9001 * with such bits
9002 */
9003 for (i = 0; i < ETH_ALEN; i++)
9004 mac_addr[i] &= mac_addr_mask[i];
9005
9006 return 0;
9007}
9008
7b0a0e3c
JB		 9009static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
9010 struct ieee80211_channel *chan)
34373d12 9011{
7b0a0e3c
JB		 9012 unsigned int link_id;
9013 bool all_ok = true;
9014
076fc877 9015 lockdep_assert_wiphy(wdev->wiphy);
34373d12
VT		 9016
9017 if (!cfg80211_beaconing_iface_active(wdev))
9018 return true;
9019
7b0a0e3c
JB		 9020 /*
9021 * FIXME: check if we have a free HW resource/link for chan
9022 *
9023 * This, as well as the FIXME below, requires knowing the link
9024 * capabilities of the hardware.
9025 */
9026
9027 /* we cannot leave radar channels */
9028 for_each_valid_link(wdev, link_id) {
9029 struct cfg80211_chan_def *chandef;
9030
9031 chandef = wdev_chandef(wdev, link_id);
f624bb6f 9032 if (!chandef || !chandef->chan)
7b0a0e3c
JB		 9033 continue;
9034
9035 /*
9036 * FIXME: don't require all_ok, but rather check only the
9037 * correct HW resource/link onto which 'chan' falls,
9038 * as only that link leaves the channel for doing
9039 * the off-channel operation.
9040 */
9041
9042 if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
9043 all_ok = false;
9044 }
9045
9046 if (all_ok)
34373d12
VT		 9047 return true;
9048
9049 return regulatory_pre_cac_allowed(wdev->wiphy);
9050}
9051
db0a4ad8
JB		 9052static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
9053 enum nl80211_ext_feature_index feat)
9054{
9055 if (!(flags & flag))
9056 return true;
9057 if (wiphy_ext_feature_isset(wiphy, feat))
9058 return true;
9059 return false;
9060}
9061
2d23d073
RZ		 9062static int
9063nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
9064 void *request, struct nlattr **attrs,
9065 bool is_sched_scan)
9066{
9067 u8 *mac_addr, *mac_addr_mask;
9068 u32 *flags;
9069 enum nl80211_feature_flags randomness_flag;
9070
9071 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
9072 return 0;
9073
9074 if (is_sched_scan) {
9075 struct cfg80211_sched_scan_request *req = request;
9076
9077 randomness_flag = wdev ?
9078 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
9079 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
9080 flags = &req->flags;
9081 mac_addr = req->mac_addr;
9082 mac_addr_mask = req->mac_addr_mask;
9083 } else {
9084 struct cfg80211_scan_request *req = request;
9085
9086 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
9087 flags = &req->flags;
9088 mac_addr = req->mac_addr;
9089 mac_addr_mask = req->mac_addr_mask;
9090 }
9091
9092 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
9093
5037a009
SD		 9094 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
9095 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
db0a4ad8
JB		 9096 !nl80211_check_scan_feat(wiphy, *flags,
9097 NL80211_SCAN_FLAG_LOW_SPAN,
9098 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
9099 !nl80211_check_scan_feat(wiphy, *flags,
9100 NL80211_SCAN_FLAG_LOW_POWER,
9101 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
9102 !nl80211_check_scan_feat(wiphy, *flags,
9103 NL80211_SCAN_FLAG_HIGH_ACCURACY,
9104 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
9105 !nl80211_check_scan_feat(wiphy, *flags,
9106 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
9107 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
9108 !nl80211_check_scan_feat(wiphy, *flags,
9109 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
9110 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
9111 !nl80211_check_scan_feat(wiphy, *flags,
9112 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
9113 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
9114 !nl80211_check_scan_feat(wiphy, *flags,
9115 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
2e076f19
JB		 9116 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
9117 !nl80211_check_scan_feat(wiphy, *flags,
9118 NL80211_SCAN_FLAG_RANDOM_SN,
9119 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
9120 !nl80211_check_scan_feat(wiphy, *flags,
9121 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
9122 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
2d23d073
RZ		 9123 return -EOPNOTSUPP;
9124
9125 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
9126 int err;
9127
9128 if (!(wiphy->features & randomness_flag) ||
7b0a0e3c 9129 (wdev && wdev->connected))
2d23d073
RZ		 9130 return -EOPNOTSUPP;
9131
9132 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
9133 if (err)
9134 return err;
9135 }
9136
2d23d073
RZ		 9137 return 0;
9138}
9139
2a519311
JB		 9140static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
9141{
4c476991 9142 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fd014284 9143 struct wireless_dev *wdev = info->user_ptr[1];
2a519311 9144 struct cfg80211_scan_request *request;
2032f3b2
TP		 9145 struct nlattr *scan_freqs = NULL;
9146 bool scan_freqs_khz = false;
2a519311
JB		 9147 struct nlattr *attr;
9148 struct wiphy *wiphy;
83f5e2cf 9149 int err, tmp, n_ssids = 0, n_channels, i;
14e05beb 9150 size_t ie_len, size;
2a519311 9151
79c97e97 9152 wiphy = &rdev->wiphy;
2a519311 9153
cb3b7d87
AB		 9154 if (wdev->iftype == NL80211_IFTYPE_NAN)
9155 return -EOPNOTSUPP;
9156
4c476991
JB		 9157 if (!rdev->ops->scan)
9158 return -EOPNOTSUPP;
2a519311 9159
83286856
CJ		 9160 if (rdev->scan_req || rdev->scan_msg)
9161 return -EBUSY;
2a519311 9162
2032f3b2
TP		 9163 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
9164 if (!wiphy_ext_feature_isset(wiphy,
9165 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
9166 return -EOPNOTSUPP;
9167 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
9168 scan_freqs_khz = true;
9169 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
9170 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
9171
9172 if (scan_freqs) {
9173 n_channels = validate_scan_freqs(scan_freqs);
83286856
CJ		 9174 if (!n_channels)
9175 return -EINVAL;
2a519311 9176 } else {
bdfbec2d 9177 n_channels = ieee80211_get_num_supported_channels(wiphy);
2a519311
JB		 9178 }
9179
9180 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
9181 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
9182 n_ssids++;
9183
83286856
CJ		 9184 if (n_ssids > wiphy->max_scan_ssids)
9185 return -EINVAL;
2a519311 9186
70692ad2
JM		 9187 if (info->attrs[NL80211_ATTR_IE])
9188 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9189 else
9190 ie_len = 0;
9191
83286856
CJ		 9192 if (ie_len > wiphy->max_scan_ie_len)
9193 return -EINVAL;
18a83659 9194
14e05beb
JK		 9195 size = struct_size(request, channels, n_channels);
9196 size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
9197 size = size_add(size, ie_len);
9198 request = kzalloc(size, GFP_KERNEL);
83286856
CJ		 9199 if (!request)
9200 return -ENOMEM;
2a519311 9201
2a519311 9202 if (n_ssids)
5ba63533 9203 request->ssids = (void *)&request->channels[n_channels];
2a519311 9204 request->n_ssids = n_ssids;
70692ad2 9205 if (ie_len) {
13874e4b 9206 if (n_ssids)
70692ad2
JM		 9207 request->ie = (void *)(request->ssids + n_ssids);
9208 else
9209 request->ie = (void *)(request->channels + n_channels);
9210 }
2a519311 9211
584991dc 9212 i = 0;
2032f3b2 9213 if (scan_freqs) {
2a519311 9214 /* user specified, bail out if channel not found */
2032f3b2 9215 nla_for_each_nested(attr, scan_freqs, tmp) {
584991dc 9216 struct ieee80211_channel *chan;
2032f3b2 9217 int freq = nla_get_u32(attr);
584991dc 9218
2032f3b2
TP		 9219 if (!scan_freqs_khz)
9220 freq = MHZ_TO_KHZ(freq);
584991dc 9221
2032f3b2 9222 chan = ieee80211_get_channel_khz(wiphy, freq);
584991dc 9223 if (!chan) {
2a519311
JB		 9224 err = -EINVAL;
9225 goto out_free;
9226 }
584991dc
JB		 9227
9228 /* ignore disabled channels */
9229 if (chan->flags & IEEE80211_CHAN_DISABLED)
9230 continue;
9231
9232 request->channels[i] = chan;
2a519311
JB		 9233 i++;
9234 }
9235 } else {
57fbcce3 9236 enum nl80211_band band;
34850ab2 9237
2a519311 9238 /* all channels */
57fbcce3 9239 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2a519311 9240 int j;
7a087e74 9241
2a519311
JB		 9242 if (!wiphy->bands[band])
9243 continue;
9244 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
584991dc
JB		 9245 struct ieee80211_channel *chan;
9246
9247 chan = &wiphy->bands[band]->channels[j];
9248
9249 if (chan->flags & IEEE80211_CHAN_DISABLED)
9250 continue;
9251
9252 request->channels[i] = chan;
2a519311
JB		 9253 i++;
9254 }
9255 }
9256 }
9257
584991dc
JB		 9258 if (!i) {
9259 err = -EINVAL;
9260 goto out_free;
9261 }
9262
9263 request->n_channels = i;
9264
7b0a0e3c
JB		 9265 for (i = 0; i < request->n_channels; i++) {
9266 struct ieee80211_channel *chan = request->channels[i];
34373d12 9267
7b0a0e3c
JB		 9268 /* if we can go off-channel to the target channel we're good */
9269 if (cfg80211_off_channel_oper_allowed(wdev, chan))
9270 continue;
34373d12 9271
7b0a0e3c 9272 if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
34373d12
VT		 9273 err = -EBUSY;
9274 goto out_free;
9275 }
9276 }
34373d12 9277
2a519311 9278 i = 0;
13874e4b 9279 if (n_ssids) {
2a519311 9280 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
57a27e1d 9281 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
2a519311
JB		 9282 err = -EINVAL;
9283 goto out_free;
9284 }
57a27e1d 9285 request->ssids[i].ssid_len = nla_len(attr);
2a519311 9286 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2a519311
JB		 9287 i++;
9288 }
9289 }
9290
70692ad2
JM		 9291 if (info->attrs[NL80211_ATTR_IE]) {
9292 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
de95a54b
JB		 9293 memcpy((void *)request->ie,
9294 nla_data(info->attrs[NL80211_ATTR_IE]),
70692ad2
JM		 9295 request->ie_len);
9296 }
9297
57fbcce3 9298 for (i = 0; i < NUM_NL80211_BANDS; i++)
a401d2bb
JB		 9299 if (wiphy->bands[i])
9300 request->rates[i] =
9301 (1 << wiphy->bands[i]->n_bitrates) - 1;
34850ab2
JB		 9302
9303 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
9304 nla_for_each_nested(attr,
9305 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
9306 tmp) {
57fbcce3 9307 enum nl80211_band band = nla_type(attr);
34850ab2 9308
57fbcce3 9309 if (band < 0 || band >= NUM_NL80211_BANDS) {
34850ab2
JB		 9310 err = -EINVAL;
9311 goto out_free;
9312 }
1b09cd82
FF		 9313
9314 if (!wiphy->bands[band])
9315 continue;
9316
34850ab2
JB		 9317 err = ieee80211_get_ratemask(wiphy->bands[band],
9318 nla_data(attr),
9319 nla_len(attr),
9320 &request->rates[band]);
9321 if (err)
9322 goto out_free;
9323 }
9324 }
9325
1d76250b 9326 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
1d76250b
AS		 9327 request->duration =
9328 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
9329 request->duration_mandatory =
9330 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
9331 }
9332
2d23d073
RZ		 9333 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
9334 false);
9335 if (err)
9336 goto out_free;
ed473771 9337
e9f935e3
RM		 9338 request->no_cck =
9339 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9340
2fa436b3
VK		 9341 /* Initial implementation used NL80211_ATTR_MAC to set the specific
9342 * BSSID to scan for. This was problematic because that same attribute
9343 * was already used for another purpose (local random MAC address). The
9344 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
9345 * compatibility with older userspace components, also use the
9346 * NL80211_ATTR_MAC value here if it can be determined to be used for
9347 * the specific BSSID use case instead of the random MAC address
9348 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
9349 */
9350 if (info->attrs[NL80211_ATTR_BSSID])
9351 memcpy(request->bssid,
9352 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
9353 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
9354 info->attrs[NL80211_ATTR_MAC])
818965d3
JM		 9355 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
9356 ETH_ALEN);
9357 else
9358 eth_broadcast_addr(request->bssid);
9359
6285ee30 9360 request->tsf_report_link_id = nl80211_link_id_or_invalid(info->attrs);
fd014284 9361 request->wdev = wdev;
79c97e97 9362 request->wiphy = &rdev->wiphy;
15d6030b 9363 request->scan_start = jiffies;
2a519311 9364
79c97e97 9365 rdev->scan_req = request;
c8cb5b85 9366 err = cfg80211_scan(rdev);
2a519311 9367
504776be
CJ		 9368 if (err)
9369 goto out_free;
9370
9371 nl80211_send_scan_start(rdev, wdev);
1160dfa1 9372 dev_hold(wdev->netdev);
504776be
CJ		 9373
9374 return 0;
9375
2a519311 9376 out_free:
504776be
CJ		 9377 rdev->scan_req = NULL;
9378 kfree(request);
3b85875a 9379
2a519311
JB		 9380 return err;
9381}
9382
91d3ab46
VK		 9383static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
9384{
9385 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9386 struct wireless_dev *wdev = info->user_ptr[1];
9387
9388 if (!rdev->ops->abort_scan)
9389 return -EOPNOTSUPP;
9390
9391 if (rdev->scan_msg)
9392 return 0;
9393
9394 if (!rdev->scan_req)
9395 return -ENOENT;
9396
9397 rdev_abort_scan(rdev, wdev);
9398 return 0;
9399}
9400
3b06d277
AS		 9401static int
9402nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
9403 struct cfg80211_sched_scan_request *request,
9404 struct nlattr **attrs)
9405{
9406 int tmp, err, i = 0;
9407 struct nlattr *attr;
9408
9409 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9410 u32 interval;
9411
9412 /*
9413 * If scan plans are not specified,
5a88de53 9414 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
3b06d277
AS		 9415 * case one scan plan will be set with the specified scan
9416 * interval and infinite number of iterations.
9417 */
3b06d277
AS		 9418 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
9419 if (!interval)
9420 return -EINVAL;
9421
9422 request->scan_plans[0].interval =
9423 DIV_ROUND_UP(interval, MSEC_PER_SEC);
9424 if (!request->scan_plans[0].interval)
9425 return -EINVAL;
9426
9427 if (request->scan_plans[0].interval >
9428 wiphy->max_sched_scan_plan_interval)
9429 request->scan_plans[0].interval =
9430 wiphy->max_sched_scan_plan_interval;
9431
9432 return 0;
9433 }
9434
9435 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
9436 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
9437
9438 if (WARN_ON(i >= n_plans))
9439 return -EINVAL;
9440
8cb08174
JB		 9441 err = nla_parse_nested_deprecated(plan,
9442 NL80211_SCHED_SCAN_PLAN_MAX,
9443 attr, nl80211_plan_policy,
9444 NULL);
3b06d277
AS		 9445 if (err)
9446 return err;
9447
9448 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
9449 return -EINVAL;
9450
9451 request->scan_plans[i].interval =
9452 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
9453 if (!request->scan_plans[i].interval ||
9454 request->scan_plans[i].interval >
9455 wiphy->max_sched_scan_plan_interval)
9456 return -EINVAL;
9457
9458 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
9459 request->scan_plans[i].iterations =
9460 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
9461 if (!request->scan_plans[i].iterations ||
9462 (request->scan_plans[i].iterations >
9463 wiphy->max_sched_scan_plan_iterations))
9464 return -EINVAL;
9465 } else if (i < n_plans - 1) {
9466 /*
9467 * All scan plans but the last one must specify
9468 * a finite number of iterations
9469 */
9470 return -EINVAL;
9471 }
9472
9473 i++;
9474 }
9475
9476 /*
9477 * The last scan plan must not specify the number of
9478 * iterations, it is supposed to run infinitely
9479 */
9480 if (request->scan_plans[n_plans - 1].iterations)
9481 return -EINVAL;
9482
9483 return 0;
9484}
9485
1e1b11b6 9486static int
9487nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
9488 struct cfg80211_match_set *match_sets,
9489 struct nlattr *tb_band_rssi,
9490 s32 rssi_thold)
9491{
9492 struct nlattr *attr;
9493 int i, tmp, ret = 0;
9494
9495 if (!wiphy_ext_feature_isset(wiphy,
9496 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
9497 if (tb_band_rssi)
9498 ret = -EOPNOTSUPP;
9499 else
9500 for (i = 0; i < NUM_NL80211_BANDS; i++)
9501 match_sets->per_band_rssi_thold[i] =
9502 NL80211_SCAN_RSSI_THOLD_OFF;
9503 return ret;
9504 }
9505
9506 for (i = 0; i < NUM_NL80211_BANDS; i++)
9507 match_sets->per_band_rssi_thold[i] = rssi_thold;
9508
9509 nla_for_each_nested(attr, tb_band_rssi, tmp) {
9510 enum nl80211_band band = nla_type(attr);
9511
9512 if (band < 0 || band >= NUM_NL80211_BANDS)
9513 return -EINVAL;
9514
9515 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
9516 }
9517
9518 return 0;
9519}
9520
256da02d 9521static struct cfg80211_sched_scan_request *
ad2b26ab 9522nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
aad1e812 9523 struct nlattr **attrs, int max_match_sets)
807f8a8c
LC		 9524{
9525 struct cfg80211_sched_scan_request *request;
807f8a8c 9526 struct nlattr *attr;
3b06d277 9527 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
57fbcce3 9528 enum nl80211_band band;
14e05beb 9529 size_t ie_len, size;
a1f1c21c 9530 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
ea73cbce 9531 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
807f8a8c 9532
256da02d 9533 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c 9534 n_channels = validate_scan_freqs(
256da02d 9535 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
807f8a8c 9536 if (!n_channels)
256da02d 9537 return ERR_PTR(-EINVAL);
807f8a8c 9538 } else {
bdfbec2d 9539 n_channels = ieee80211_get_num_supported_channels(wiphy);
807f8a8c
LC		 9540 }
9541
256da02d
LC		 9542 if (attrs[NL80211_ATTR_SCAN_SSIDS])
9543 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c
LC		 9544 tmp)
9545 n_ssids++;
9546
93b6aa69 9547 if (n_ssids > wiphy->max_sched_scan_ssids)
256da02d 9548 return ERR_PTR(-EINVAL);
807f8a8c 9549
ea73cbce
JB		 9550 /*
9551 * First, count the number of 'real' matchsets. Due to an issue with
9552 * the old implementation, matchsets containing only the RSSI attribute
9553 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
9554 * RSSI for all matchsets, rather than their own matchset for reporting
9555 * all APs with a strong RSSI. This is needed to be compatible with
9556 * older userspace that treated a matchset with only the RSSI as the
9557 * global RSSI for all other matchsets - if there are other matchsets.
9558 */
256da02d 9559 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 9560 nla_for_each_nested(attr,
256da02d 9561 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
ea73cbce
JB		 9562 tmp) {
9563 struct nlattr *rssi;
9564
8cb08174
JB		 9565 err = nla_parse_nested_deprecated(tb,
9566 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9567 attr,
9568 nl80211_match_policy,
9569 NULL);
ea73cbce 9570 if (err)
256da02d 9571 return ERR_PTR(err);
3007e352
AVS		 9572
9573 /* SSID and BSSID are mutually exclusive */
9574 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
9575 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
9576 return ERR_PTR(-EINVAL);
9577
ea73cbce 9578 /* add other standalone attributes here */
3007e352
AVS		 9579 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
9580 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
ea73cbce
JB		 9581 n_match_sets++;
9582 continue;
9583 }
9584 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9585 if (rssi)
9586 default_match_rssi = nla_get_s32(rssi);
9587 }
9588 }
9589
9590 /* However, if there's no other matchset, add the RSSI one */
9591 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
9592 n_match_sets = 1;
a1f1c21c 9593
aad1e812 9594 if (n_match_sets > max_match_sets)
256da02d 9595 return ERR_PTR(-EINVAL);
a1f1c21c 9596
256da02d
LC		 9597 if (attrs[NL80211_ATTR_IE])
9598 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
807f8a8c
LC		 9599 else
9600 ie_len = 0;
9601
5a865bad 9602 if (ie_len > wiphy->max_sched_scan_ie_len)
256da02d 9603 return ERR_PTR(-EINVAL);
c10841ca 9604
3b06d277
AS		 9605 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9606 /*
9607 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
9608 * each scan plan already specifies its own interval
9609 */
9610 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9611 return ERR_PTR(-EINVAL);
9612
9613 nla_for_each_nested(attr,
9614 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
9615 n_plans++;
9616 } else {
9617 /*
9618 * The scan interval attribute is kept for backward
9619 * compatibility. If no scan plans are specified and sched scan
9620 * interval is specified, one scan plan will be set with this
9621 * scan interval and infinite number of iterations.
9622 */
9623 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9624 return ERR_PTR(-EINVAL);
9625
9626 n_plans = 1;
9627 }
9628
9629 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
9630 return ERR_PTR(-EINVAL);
9631
bf95ecdb 9632 if (!wiphy_ext_feature_isset(
9633 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
9634 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
9635 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
9636 return ERR_PTR(-EINVAL);
9637
14e05beb
JK		 9638 size = struct_size(request, channels, n_channels);
9639 size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
9640 size = size_add(size, array_size(sizeof(*request->match_sets),
9641 n_match_sets));
9642 size = size_add(size, array_size(sizeof(*request->scan_plans),
9643 n_plans));
9644 size = size_add(size, ie_len);
9645 request = kzalloc(size, GFP_KERNEL);
256da02d
LC		 9646 if (!request)
9647 return ERR_PTR(-ENOMEM);
807f8a8c
LC		 9648
9649 if (n_ssids)
9650 request->ssids = (void *)&request->channels[n_channels];
9651 request->n_ssids = n_ssids;
9652 if (ie_len) {
13874e4b 9653 if (n_ssids)
807f8a8c
LC		 9654 request->ie = (void *)(request->ssids + n_ssids);
9655 else
9656 request->ie = (void *)(request->channels + n_channels);
9657 }
9658
a1f1c21c
LC		 9659 if (n_match_sets) {
9660 if (request->ie)
9661 request->match_sets = (void *)(request->ie + ie_len);
13874e4b 9662 else if (n_ssids)
a1f1c21c
LC		 9663 request->match_sets =
9664 (void *)(request->ssids + n_ssids);
9665 else
9666 request->match_sets =
9667 (void *)(request->channels + n_channels);
9668 }
9669 request->n_match_sets = n_match_sets;
9670
3b06d277
AS		 9671 if (n_match_sets)
9672 request->scan_plans = (void *)(request->match_sets +
9673 n_match_sets);
9674 else if (request->ie)
9675 request->scan_plans = (void *)(request->ie + ie_len);
9676 else if (n_ssids)
9677 request->scan_plans = (void *)(request->ssids + n_ssids);
9678 else
9679 request->scan_plans = (void *)(request->channels + n_channels);
9680
9681 request->n_scan_plans = n_plans;
9682
807f8a8c 9683 i = 0;
256da02d 9684 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c
LC		 9685 /* user specified, bail out if channel not found */
9686 nla_for_each_nested(attr,
256da02d 9687 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
807f8a8c
LC		 9688 tmp) {
9689 struct ieee80211_channel *chan;
9690
9691 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
9692
9693 if (!chan) {
9694 err = -EINVAL;
9695 goto out_free;
9696 }
9697
9698 /* ignore disabled channels */
9699 if (chan->flags & IEEE80211_CHAN_DISABLED)
9700 continue;
9701
9702 request->channels[i] = chan;
9703 i++;
9704 }
9705 } else {
9706 /* all channels */
57fbcce3 9707 for (band = 0; band < NUM_NL80211_BANDS; band++) {
807f8a8c 9708 int j;
7a087e74 9709
807f8a8c
LC		 9710 if (!wiphy->bands[band])
9711 continue;
9712 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9713 struct ieee80211_channel *chan;
9714
9715 chan = &wiphy->bands[band]->channels[j];
9716
9717 if (chan->flags & IEEE80211_CHAN_DISABLED)
9718 continue;
9719
9720 request->channels[i] = chan;
9721 i++;
9722 }
9723 }
9724 }
9725
9726 if (!i) {
9727 err = -EINVAL;
9728 goto out_free;
9729 }
9730
9731 request->n_channels = i;
9732
9733 i = 0;
13874e4b 9734 if (n_ssids) {
256da02d 9735 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c 9736 tmp) {
57a27e1d 9737 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
807f8a8c
LC		 9738 err = -EINVAL;
9739 goto out_free;
9740 }
57a27e1d 9741 request->ssids[i].ssid_len = nla_len(attr);
807f8a8c
LC		 9742 memcpy(request->ssids[i].ssid, nla_data(attr),
9743 nla_len(attr));
807f8a8c
LC		 9744 i++;
9745 }
9746 }
9747
a1f1c21c 9748 i = 0;
256da02d 9749 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 9750 nla_for_each_nested(attr,
256da02d 9751 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
a1f1c21c 9752 tmp) {
3007e352 9753 struct nlattr *ssid, *bssid, *rssi;
a1f1c21c 9754
8cb08174
JB		 9755 err = nla_parse_nested_deprecated(tb,
9756 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9757 attr,
9758 nl80211_match_policy,
9759 NULL);
ae811e21
JB		 9760 if (err)
9761 goto out_free;
4a4ab0d7 9762 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
3007e352 9763 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
d39f3b4f
JB		 9764
9765 if (!ssid && !bssid) {
9766 i++;
9767 continue;
9768 }
9769
9770 if (WARN_ON(i >= n_match_sets)) {
9771 /* this indicates a programming error,
9772 * the loop above should have verified
9773 * things properly
9774 */
9775 err = -EINVAL;
9776 goto out_free;
9777 }
9778
9779 if (ssid) {
d39f3b4f
JB		 9780 memcpy(request->match_sets[i].ssid.ssid,
9781 nla_data(ssid), nla_len(ssid));
9782 request->match_sets[i].ssid.ssid_len =
9783 nla_len(ssid);
9784 }
cb9abd48 9785 if (bssid)
d39f3b4f
JB		 9786 memcpy(request->match_sets[i].bssid,
9787 nla_data(bssid), ETH_ALEN);
3007e352 9788
d39f3b4f
JB		 9789 /* special attribute - old implementation w/a */
9790 request->match_sets[i].rssi_thold = default_match_rssi;
9791 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9792 if (rssi)
ea73cbce 9793 request->match_sets[i].rssi_thold =
d39f3b4f 9794 nla_get_s32(rssi);
1e1b11b6 9795
9796 /* Parse per band RSSI attribute */
9797 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
9798 &request->match_sets[i],
9799 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
9800 request->match_sets[i].rssi_thold);
9801 if (err)
9802 goto out_free;
9803
a1f1c21c
LC		 9804 i++;
9805 }
ea73cbce
JB		 9806
9807 /* there was no other matchset, so the RSSI one is alone */
f89f46cf 9808 if (i == 0 && n_match_sets)
ea73cbce
JB		 9809 request->match_sets[0].rssi_thold = default_match_rssi;
9810
9811 request->min_rssi_thold = INT_MAX;
9812 for (i = 0; i < n_match_sets; i++)
9813 request->min_rssi_thold =
9814 min(request->match_sets[i].rssi_thold,
9815 request->min_rssi_thold);
9816 } else {
9817 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
a1f1c21c
LC		 9818 }
9819
9900e484
JB		 9820 if (ie_len) {
9821 request->ie_len = ie_len;
807f8a8c 9822 memcpy((void *)request->ie,
256da02d 9823 nla_data(attrs[NL80211_ATTR_IE]),
807f8a8c
LC		 9824 request->ie_len);
9825 }
9826
2d23d073
RZ		 9827 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
9828 if (err)
9829 goto out_free;
ed473771 9830
9c748934
LC		 9831 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
9832 request->delay =
9833 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
9834
bf95ecdb 9835 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
9836 request->relative_rssi = nla_get_s8(
9837 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
9838 request->relative_rssi_set = true;
9839 }
9840
9841 if (request->relative_rssi_set &&
9842 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
9843 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
9844
9845 rssi_adjust = nla_data(
9846 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
9847 request->rssi_adjust.band = rssi_adjust->band;
9848 request->rssi_adjust.delta = rssi_adjust->delta;
9849 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
9850 err = -EINVAL;
9851 goto out_free;
9852 }
9853 }
9854
3b06d277
AS		 9855 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
9856 if (err)
9857 goto out_free;
9858
15d6030b 9859 request->scan_start = jiffies;
807f8a8c 9860
256da02d 9861 return request;
807f8a8c
LC		 9862
9863out_free:
9864 kfree(request);
256da02d
LC		 9865 return ERR_PTR(err);
9866}
9867
9868static int nl80211_start_sched_scan(struct sk_buff *skb,
9869 struct genl_info *info)
9870{
9871 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9872 struct net_device *dev = info->user_ptr[1];
ad2b26ab 9873 struct wireless_dev *wdev = dev->ieee80211_ptr;
31a60ed1 9874 struct cfg80211_sched_scan_request *sched_scan_req;
ca986ad9 9875 bool want_multi;
256da02d
LC		 9876 int err;
9877
ca986ad9 9878 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
256da02d
LC		 9879 return -EOPNOTSUPP;
9880
ca986ad9
AVS		 9881 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9882 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9883 if (err)
9884 return err;
256da02d 9885
31a60ed1 9886 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
aad1e812
AVS		 9887 info->attrs,
9888 rdev->wiphy.max_match_sets);
31a60ed1
JR		 9889
9890 err = PTR_ERR_OR_ZERO(sched_scan_req);
256da02d
LC		 9891 if (err)
9892 goto out_err;
9893
ca986ad9
AVS		 9894 /* leave request id zero for legacy request
9895 * or if driver does not support multi-scheduled scan
9896 */
2fd351a8
DK		 9897 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9898 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
ca986ad9 9899
31a60ed1 9900 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
256da02d
LC		 9901 if (err)
9902 goto out_free;
9903
31a60ed1
JR		 9904 sched_scan_req->dev = dev;
9905 sched_scan_req->wiphy = &rdev->wiphy;
9906
93a1e86c
JR		 9907 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9908 sched_scan_req->owner_nlportid = info->snd_portid;
9909
ca986ad9 9910 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
256da02d 9911
96b08fd6 9912 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
256da02d
LC		 9913 return 0;
9914
9915out_free:
31a60ed1 9916 kfree(sched_scan_req);
256da02d 9917out_err:
807f8a8c
LC		 9918 return err;
9919}
9920
9921static int nl80211_stop_sched_scan(struct sk_buff *skb,
9922 struct genl_info *info)
9923{
ca986ad9 9924 struct cfg80211_sched_scan_request *req;
807f8a8c 9925 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ca986ad9 9926 u64 cookie;
807f8a8c 9927
ca986ad9 9928 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
807f8a8c
LC		 9929 return -EOPNOTSUPP;
9930
ca986ad9
AVS		 9931 if (info->attrs[NL80211_ATTR_COOKIE]) {
9932 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9933 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9934 }
9935
9936 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9937 struct cfg80211_sched_scan_request,
9938 list);
9939 if (!req || req->reqid ||
9940 (req->owner_nlportid &&
9941 req->owner_nlportid != info->snd_portid))
9942 return -ENOENT;
9943
9944 return cfg80211_stop_sched_scan_req(rdev, req, false);
807f8a8c
LC		 9945}
9946
04f39047
SW		 9947static int nl80211_start_radar_detection(struct sk_buff *skb,
9948 struct genl_info *info)
9949{
9950 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9951 struct net_device *dev = info->user_ptr[1];
9952 struct wireless_dev *wdev = dev->ieee80211_ptr;
13cf6dec 9953 struct wiphy *wiphy = wdev->wiphy;
04f39047 9954 struct cfg80211_chan_def chandef;
55f7435c 9955 enum nl80211_dfs_regions dfs_region;
31559f35 9956 unsigned int cac_time_ms;
84158164
LB		 9957 int err = -EINVAL;
9958
9959 flush_delayed_work(&rdev->dfs_update_channels_wk);
9960
9961 wiphy_lock(wiphy);
04f39047 9962
13cf6dec 9963 dfs_region = reg_get_dfs_region(wiphy);
55f7435c 9964 if (dfs_region == NL80211_DFS_UNSET)
84158164 9965 goto unlock;
55f7435c 9966
04f39047
SW		 9967 err = nl80211_parse_chandef(rdev, info, &chandef);
9968 if (err)
84158164 9969 goto unlock;
04f39047 9970
13cf6dec 9971 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
04f39047 9972 if (err < 0)
84158164 9973 goto unlock;
04f39047 9974
84158164
LB		 9975 if (err == 0) {
9976 err = -EINVAL;
9977 goto unlock;
9978 }
04f39047 9979
84158164
LB		 9980 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) {
9981 err = -EINVAL;
9982 goto unlock;
9983 }
04f39047 9984
a95bfb87
LB		 9985 if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) {
9986 err = cfg80211_start_background_radar_detection(rdev, wdev,
9987 &chandef);
84158164
LB		 9988 goto unlock;
9989 }
bc2dfc02 9990
84158164
LB		 9991 if (netif_carrier_ok(dev)) {
9992 err = -EBUSY;
9993 goto unlock;
9994 }
bc2dfc02 9995
84158164
LB		 9996 if (wdev->cac_started) {
9997 err = -EBUSY;
9998 goto unlock;
9999 }
bc2dfc02 10000
13cf6dec 10001 /* CAC start is offloaded to HW and can't be started manually */
84158164
LB		 10002 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) {
10003 err = -EOPNOTSUPP;
10004 goto unlock;
10005 }
13cf6dec 10006
84158164
LB		 10007 if (!rdev->ops->start_radar_detection) {
10008 err = -EOPNOTSUPP;
10009 goto unlock;
10010 }
04f39047 10011
31559f35
JD		 10012 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
10013 if (WARN_ON(!cac_time_ms))
10014 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
10015
a1056b1b 10016 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
04f39047 10017 if (!err) {
7b0a0e3c 10018 wdev->links[0].ap.chandef = chandef;
04f39047
SW		 10019 wdev->cac_started = true;
10020 wdev->cac_start_time = jiffies;
31559f35 10021 wdev->cac_time_ms = cac_time_ms;
04f39047 10022 }
84158164
LB		 10023unlock:
10024 wiphy_unlock(wiphy);
10025
04f39047
SW		 10026 return err;
10027}
10028
30c63115
S		 10029static int nl80211_notify_radar_detection(struct sk_buff *skb,
10030 struct genl_info *info)
10031{
10032 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10033 struct net_device *dev = info->user_ptr[1];
10034 struct wireless_dev *wdev = dev->ieee80211_ptr;
10035 struct wiphy *wiphy = wdev->wiphy;
10036 struct cfg80211_chan_def chandef;
10037 enum nl80211_dfs_regions dfs_region;
10038 int err;
10039
10040 dfs_region = reg_get_dfs_region(wiphy);
10041 if (dfs_region == NL80211_DFS_UNSET) {
10042 GENL_SET_ERR_MSG(info,
10043 "DFS Region is not set. Unexpected Radar indication");
10044 return -EINVAL;
10045 }
10046
10047 err = nl80211_parse_chandef(rdev, info, &chandef);
10048 if (err) {
10049 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
10050 return err;
10051 }
10052
10053 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
10054 if (err < 0) {
10055 GENL_SET_ERR_MSG(info, "chandef is invalid");
10056 return err;
10057 }
10058
10059 if (err == 0) {
10060 GENL_SET_ERR_MSG(info,
10061 "Unexpected Radar indication for chandef/iftype");
10062 return -EINVAL;
10063 }
10064
10065 /* Do not process this notification if radar is already detected
10066 * by kernel on this channel, and return success.
10067 */
10068 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
10069 return 0;
10070
10071 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
10072
10073 cfg80211_sched_dfs_chan_update(rdev);
10074
a680fe46 10075 rdev->radar_chandef = chandef;
30c63115
S		 10076
10077 /* Propagate this notification to other radios as well */
10078 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
10079
10080 return 0;
10081}
10082
16ef1fe2
SW		 10083static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
10084{
10085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 10086 unsigned int link_id = nl80211_link_id(info->attrs);
16ef1fe2
SW		 10087 struct net_device *dev = info->user_ptr[1];
10088 struct wireless_dev *wdev = dev->ieee80211_ptr;
10089 struct cfg80211_csa_settings params;
a05829a7 10090 struct nlattr **csa_attrs = NULL;
16ef1fe2 10091 int err;
ee4bc9e7 10092 bool need_new_beacon = false;
8d9de16f 10093 bool need_handle_dfs_flag = true;
9a774c78 10094 int len, i;
252e07ca 10095 u32 cs_count;
16ef1fe2
SW		 10096
10097 if (!rdev->ops->channel_switch ||
10098 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
10099 return -EOPNOTSUPP;
10100
ee4bc9e7
SW		 10101 switch (dev->ieee80211_ptr->iftype) {
10102 case NL80211_IFTYPE_AP:
10103 case NL80211_IFTYPE_P2P_GO:
10104 need_new_beacon = true;
8d9de16f
BB		 10105 /* For all modes except AP the handle_dfs flag needs to be
10106 * supplied to tell the kernel that userspace will handle radar
10107 * events when they happen. Otherwise a switch to a channel
10108 * requiring DFS will be rejected.
10109 */
10110 need_handle_dfs_flag = false;
ee4bc9e7
SW		 10111
10112 /* useless if AP is not running */
7b0a0e3c 10113 if (!wdev->links[link_id].ap.beacon_interval)
1ff79dfa 10114 return -ENOTCONN;
ee4bc9e7
SW		 10115 break;
10116 case NL80211_IFTYPE_ADHOC:
7b0a0e3c 10117 if (!wdev->u.ibss.ssid_len)
1ff79dfa
JB		 10118 return -ENOTCONN;
10119 break;
c6da674a 10120 case NL80211_IFTYPE_MESH_POINT:
7b0a0e3c 10121 if (!wdev->u.mesh.id_len)
1ff79dfa 10122 return -ENOTCONN;
ee4bc9e7
SW		 10123 break;
10124 default:
16ef1fe2 10125 return -EOPNOTSUPP;
ee4bc9e7 10126 }
16ef1fe2
SW		 10127
10128 memset(&params, 0, sizeof(params));
c177db2d 10129 params.beacon_csa.ftm_responder = -1;
16ef1fe2
SW		 10130
10131 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10132 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
10133 return -EINVAL;
10134
10135 /* only important for AP, IBSS and mesh create IEs internally */
d0a361a5 10136 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
16ef1fe2
SW		 10137 return -EINVAL;
10138
252e07ca
LC		 10139 /* Even though the attribute is u32, the specification says
10140 * u8, so let's make sure we don't overflow.
10141 */
10142 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
10143 if (cs_count > 255)
10144 return -EINVAL;
10145
10146 params.count = cs_count;
16ef1fe2 10147
ee4bc9e7
SW		 10148 if (!need_new_beacon)
10149 goto skip_beacons;
10150
dbbb27e1
AD		 10151 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_after,
10152 info->extack);
16ef1fe2 10153 if (err)
dc1e3cb8 10154 goto free;
16ef1fe2 10155
a05829a7
JB		 10156 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
10157 GFP_KERNEL);
dc1e3cb8
JC		 10158 if (!csa_attrs) {
10159 err = -ENOMEM;
10160 goto free;
10161 }
a05829a7 10162
8cb08174
JB		 10163 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
10164 info->attrs[NL80211_ATTR_CSA_IES],
10165 nl80211_policy, info->extack);
16ef1fe2 10166 if (err)
a05829a7 10167 goto free;
16ef1fe2 10168
dbbb27e1
AD		 10169 err = nl80211_parse_beacon(rdev, csa_attrs, &params.beacon_csa,
10170 info->extack);
16ef1fe2 10171 if (err)
a05829a7 10172 goto free;
16ef1fe2 10173
a05829a7
JB		 10174 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
10175 err = -EINVAL;
10176 goto free;
10177 }
16ef1fe2 10178
00c207ed 10179 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
a05829a7
JB		 10180 if (!len || (len % sizeof(u16))) {
10181 err = -EINVAL;
10182 goto free;
10183 }
16ef1fe2 10184
9a774c78
AO		 10185 params.n_counter_offsets_beacon = len / sizeof(u16);
10186 if (rdev->wiphy.max_num_csa_counters &&
10187 (params.n_counter_offsets_beacon >
a05829a7
JB		 10188 rdev->wiphy.max_num_csa_counters)) {
10189 err = -EINVAL;
10190 goto free;
10191 }
16ef1fe2 10192
9a774c78 10193 params.counter_offsets_beacon =
00c207ed 10194 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9a774c78
AO		 10195
10196 /* sanity checks - counters should fit and be the same */
10197 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
10198 u16 offset = params.counter_offsets_beacon[i];
10199
a05829a7
JB		 10200 if (offset >= params.beacon_csa.tail_len) {
10201 err = -EINVAL;
10202 goto free;
10203 }
9a774c78 10204
a05829a7
JB		 10205 if (params.beacon_csa.tail[offset] != params.count) {
10206 err = -EINVAL;
10207 goto free;
10208 }
9a774c78
AO		 10209 }
10210
00c207ed
JC		 10211 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
10212 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
a05829a7
JB		 10213 if (!len || (len % sizeof(u16))) {
10214 err = -EINVAL;
10215 goto free;
10216 }
16ef1fe2 10217
9a774c78
AO		 10218 params.n_counter_offsets_presp = len / sizeof(u16);
10219 if (rdev->wiphy.max_num_csa_counters &&
ad5987b4 10220 (params.n_counter_offsets_presp >
a05829a7
JB		 10221 rdev->wiphy.max_num_csa_counters)) {
10222 err = -EINVAL;
10223 goto free;
10224 }
9a774c78
AO		 10225
10226 params.counter_offsets_presp =
00c207ed 10227 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9a774c78
AO		 10228
10229 /* sanity checks - counters should fit and be the same */
10230 for (i = 0; i < params.n_counter_offsets_presp; i++) {
10231 u16 offset = params.counter_offsets_presp[i];
10232
a05829a7
JB		 10233 if (offset >= params.beacon_csa.probe_resp_len) {
10234 err = -EINVAL;
10235 goto free;
10236 }
9a774c78
AO		 10237
10238 if (params.beacon_csa.probe_resp[offset] !=
a05829a7
JB		 10239 params.count) {
10240 err = -EINVAL;
10241 goto free;
10242 }
9a774c78 10243 }
16ef1fe2
SW		 10244 }
10245
ee4bc9e7 10246skip_beacons:
16ef1fe2
SW		 10247 err = nl80211_parse_chandef(rdev, info, &params.chandef);
10248 if (err)
a05829a7 10249 goto free;
16ef1fe2 10250
923b352f 10251 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
a05829a7
JB		 10252 wdev->iftype)) {
10253 err = -EINVAL;
10254 goto free;
10255 }
16ef1fe2 10256
2beb6dab
LC		 10257 err = cfg80211_chandef_dfs_required(wdev->wiphy,
10258 &params.chandef,
10259 wdev->iftype);
10260 if (err < 0)
a05829a7 10261 goto free;
2beb6dab 10262
8d9de16f 10263 if (err > 0) {
2beb6dab 10264 params.radar_required = true;
8d9de16f
BB		 10265 if (need_handle_dfs_flag &&
10266 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
a05829a7
JB		 10267 err = -EINVAL;
10268 goto free;
8d9de16f
BB		 10269 }
10270 }
16ef1fe2 10271
16ef1fe2
SW		 10272 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
10273 params.block_tx = true;
10274
d7c1a9a0
AD		 10275 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
10276 err = nl80211_parse_punct_bitmap(rdev, info,
10277 &params.chandef,
10278 &params.punct_bitmap);
10279 if (err)
10280 goto free;
10281 }
10282
c56589ed 10283 err = rdev_channel_switch(rdev, dev, &params);
c56589ed 10284
a05829a7 10285free:
dc1e3cb8
JC		 10286 kfree(params.beacon_after.mbssid_ies);
10287 kfree(params.beacon_csa.mbssid_ies);
dbbb27e1
AD		 10288 kfree(params.beacon_after.rnr_ies);
10289 kfree(params.beacon_csa.rnr_ies);
a05829a7 10290 kfree(csa_attrs);
c56589ed 10291 return err;
16ef1fe2
SW		 10292}
10293
9720bb3a
JB		 10294static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
10295 u32 seq, int flags,
2a519311 10296 struct cfg80211_registered_device *rdev,
48ab905d
JB		 10297 struct wireless_dev *wdev,
10298 struct cfg80211_internal_bss *intbss)
2a519311 10299{
48ab905d 10300 struct cfg80211_bss *res = &intbss->pub;
9caf0364 10301 const struct cfg80211_bss_ies *ies;
7b0a0e3c 10302 unsigned int link_id;
2a519311
JB		 10303 void *hdr;
10304 struct nlattr *bss;
48ab905d 10305
076fc877 10306 lockdep_assert_wiphy(wdev->wiphy);
2a519311 10307
15e47304 10308 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
2a519311
JB		 10309 NL80211_CMD_NEW_SCAN_RESULTS);
10310 if (!hdr)
10311 return -1;
10312
0a833c29 10313 genl_dump_check_consistent(cb, hdr);
9720bb3a 10314
97990a06
JB		 10315 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
10316 goto nla_put_failure;
10317 if (wdev->netdev &&
9360ffd1
DM		 10318 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
10319 goto nla_put_failure;
2dad624e
ND		 10320 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
10321 NL80211_ATTR_PAD))
97990a06 10322 goto nla_put_failure;
2a519311 10323
ae0be8de 10324 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
2a519311
JB		 10325 if (!bss)
10326 goto nla_put_failure;
9360ffd1 10327 if ((!is_zero_ether_addr(res->bssid) &&
9caf0364 10328 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9360ffd1 10329 goto nla_put_failure;
9caf0364
JB		 10330
10331 rcu_read_lock();
0e227084
JB		 10332 /* indicate whether we have probe response data or not */
10333 if (rcu_access_pointer(res->proberesp_ies) &&
10334 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
10335 goto fail_unlock_rcu;
10336
10337 /* this pointer prefers to be pointed to probe response data
10338 * but is always valid
10339 */
9caf0364 10340 ies = rcu_dereference(res->ies);
8cef2c9d 10341 if (ies) {
2dad624e
ND		 10342 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
10343 NL80211_BSS_PAD))
8cef2c9d 10344 goto fail_unlock_rcu;
8cef2c9d
JB		 10345 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
10346 ies->len, ies->data))
10347 goto fail_unlock_rcu;
9caf0364 10348 }
0e227084
JB		 10349
10350 /* and this pointer is always (unless driver didn't know) beacon data */
9caf0364 10351 ies = rcu_dereference(res->beacon_ies);
0e227084 10352 if (ies && ies->from_beacon) {
2dad624e
ND		 10353 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
10354 NL80211_BSS_PAD))
8cef2c9d
JB		 10355 goto fail_unlock_rcu;
10356 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
10357 ies->len, ies->data))
10358 goto fail_unlock_rcu;
9caf0364
JB		 10359 }
10360 rcu_read_unlock();
10361
9360ffd1
DM		 10362 if (res->beacon_interval &&
10363 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
10364 goto nla_put_failure;
10365 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
10366 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
942ba88b
TP		 10367 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
10368 res->channel->freq_offset) ||
9360ffd1
DM		 10369 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
10370 jiffies_to_msecs(jiffies - intbss->ts)))
10371 goto nla_put_failure;
2a519311 10372
1d76250b
AS		 10373 if (intbss->parent_tsf &&
10374 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
10375 intbss->parent_tsf, NL80211_BSS_PAD) ||
10376 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
10377 intbss->parent_bssid)))
10378 goto nla_put_failure;
10379
6e19bc4b 10380 if (intbss->ts_boottime &&
2dad624e
ND		 10381 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
10382 intbss->ts_boottime, NL80211_BSS_PAD))
6e19bc4b
DS		 10383 goto nla_put_failure;
10384
983dafaa
SD		 10385 if (!nl80211_put_signal(msg, intbss->pub.chains,
10386 intbss->pub.chain_signal,
10387 NL80211_BSS_CHAIN_SIGNAL))
10388 goto nla_put_failure;
10389
77965c97 10390 switch (rdev->wiphy.signal_type) {
2a519311 10391 case CFG80211_SIGNAL_TYPE_MBM:
9360ffd1
DM		 10392 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
10393 goto nla_put_failure;
2a519311
JB		 10394 break;
10395 case CFG80211_SIGNAL_TYPE_UNSPEC:
9360ffd1
DM		 10396 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
10397 goto nla_put_failure;
2a519311
JB		 10398 break;
10399 default:
10400 break;
10401 }
10402
48ab905d 10403 switch (wdev->iftype) {
074ac8df 10404 case NL80211_IFTYPE_P2P_CLIENT:
48ab905d 10405 case NL80211_IFTYPE_STATION:
7b0a0e3c
JB		 10406 for_each_valid_link(wdev, link_id) {
10407 if (intbss == wdev->links[link_id].client.current_bss &&
dd374f84
JB		 10408 (nla_put_u32(msg, NL80211_BSS_STATUS,
10409 NL80211_BSS_STATUS_ASSOCIATED) ||
10410 (wdev->valid_links &&
6522047c
JB		 10411 (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
10412 link_id) ||
10413 nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN,
10414 wdev->u.client.connected_addr)))))
7b0a0e3c
JB		 10415 goto nla_put_failure;
10416 }
48ab905d
JB		 10417 break;
10418 case NL80211_IFTYPE_ADHOC:
7b0a0e3c 10419 if (intbss == wdev->u.ibss.current_bss &&
9360ffd1
DM		 10420 nla_put_u32(msg, NL80211_BSS_STATUS,
10421 NL80211_BSS_STATUS_IBSS_JOINED))
10422 goto nla_put_failure;
48ab905d
JB		 10423 break;
10424 default:
10425 break;
10426 }
10427
d02a12b8
JB		 10428 if (nla_put_u32(msg, NL80211_BSS_USE_FOR, res->use_for))
10429 goto nla_put_failure;
10430
10431 if (res->cannot_use_reasons &&
10432 nla_put_u64_64bit(msg, NL80211_BSS_CANNOT_USE_REASONS,
10433 res->cannot_use_reasons,
10434 NL80211_BSS_PAD))
10435 goto nla_put_failure;
10436
2a519311
JB		 10437 nla_nest_end(msg, bss);
10438
053c095a
JB		 10439 genlmsg_end(msg, hdr);
10440 return 0;
2a519311 10441
8cef2c9d
JB		 10442 fail_unlock_rcu:
10443 rcu_read_unlock();
2a519311
JB		 10444 nla_put_failure:
10445 genlmsg_cancel(msg, hdr);
10446 return -EMSGSIZE;
10447}
10448
97990a06 10449static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
2a519311 10450{
48ab905d 10451 struct cfg80211_registered_device *rdev;
2a519311 10452 struct cfg80211_internal_bss *scan;
48ab905d 10453 struct wireless_dev *wdev;
d02a12b8 10454 struct nlattr **attrbuf;
97990a06 10455 int start = cb->args[2], idx = 0;
d02a12b8 10456 bool dump_include_use_data;
2a519311
JB		 10457 int err;
10458
d02a12b8
JB		 10459 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10460 if (!attrbuf)
10461 return -ENOMEM;
10462
10463 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
10464 if (err) {
10465 kfree(attrbuf);
67748893 10466 return err;
d02a12b8 10467 }
a05829a7
JB		 10468 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10469 __acquire(&rdev->wiphy.mtx);
2a519311 10470
d02a12b8
JB		 10471 dump_include_use_data =
10472 attrbuf[NL80211_ATTR_BSS_DUMP_INCLUDE_USE_DATA];
10473 kfree(attrbuf);
10474
48ab905d 10475 spin_lock_bh(&rdev->bss_lock);
d1e23c94
DK		 10476
10477 /*
10478 * dump_scan will be called multiple times to break up the scan results
10479 * into multiple messages. It is unlikely that any more bss-es will be
10480 * expired after the first call, so only call only call this on the
10481 * first dump_scan invocation.
10482 */
10483 if (start == 0)
10484 cfg80211_bss_expire(rdev);
48ab905d 10485
9720bb3a
JB		 10486 cb->seq = rdev->bss_generation;
10487
48ab905d 10488 list_for_each_entry(scan, &rdev->bss_list, list) {
2a519311
JB		 10489 if (++idx <= start)
10490 continue;
d02a12b8
JB		 10491 if (!dump_include_use_data &&
10492 !(scan->pub.use_for & NL80211_BSS_USE_FOR_NORMAL))
10493 continue;
9720bb3a 10494 if (nl80211_send_bss(skb, cb,
2a519311 10495 cb->nlh->nlmsg_seq, NLM_F_MULTI,
48ab905d 10496 rdev, wdev, scan) < 0) {
2a519311 10497 idx--;
67748893 10498 break;
2a519311
JB		 10499 }
10500 }
10501
48ab905d 10502 spin_unlock_bh(&rdev->bss_lock);
2a519311 10503
97990a06 10504 cb->args[2] = idx;
a05829a7 10505 wiphy_unlock(&rdev->wiphy);
2a519311 10506
67748893 10507 return skb->len;
2a519311
JB		 10508}
10509
15e47304 10510static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
11f78ac3
JB		 10511 int flags, struct net_device *dev,
10512 bool allow_radio_stats,
10513 struct survey_info *survey)
61fa713c
HS		 10514{
10515 void *hdr;
10516 struct nlattr *infoattr;
10517
11f78ac3
JB		 10518 /* skip radio stats if userspace didn't request them */
10519 if (!survey->channel && !allow_radio_stats)
10520 return 0;
10521
15e47304 10522 hdr = nl80211hdr_put(msg, portid, seq, flags,
61fa713c
HS		 10523 NL80211_CMD_NEW_SURVEY_RESULTS);
10524 if (!hdr)
10525 return -ENOMEM;
10526
9360ffd1
DM		 10527 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10528 goto nla_put_failure;
61fa713c 10529
ae0be8de 10530 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
61fa713c
HS		 10531 if (!infoattr)
10532 goto nla_put_failure;
10533
11f78ac3
JB		 10534 if (survey->channel &&
10535 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9360ffd1
DM		 10536 survey->channel->center_freq))
10537 goto nla_put_failure;
58ef7c1b
TP		 10538
10539 if (survey->channel && survey->channel->freq_offset &&
10540 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
10541 survey->channel->freq_offset))
10542 goto nla_put_failure;
9360ffd1
DM		 10543
10544 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
10545 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
10546 goto nla_put_failure;
10547 if ((survey->filled & SURVEY_INFO_IN_USE) &&
10548 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
10549 goto nla_put_failure;
4ed20beb 10550 if ((survey->filled & SURVEY_INFO_TIME) &&
2dad624e
ND		 10551 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
10552 survey->time, NL80211_SURVEY_INFO_PAD))
9360ffd1 10553 goto nla_put_failure;
4ed20beb 10554 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
2dad624e
ND		 10555 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
10556 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 10557 goto nla_put_failure;
4ed20beb 10558 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
2dad624e
ND		 10559 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
10560 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 10561 goto nla_put_failure;
4ed20beb 10562 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
2dad624e
ND		 10563 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
10564 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9360ffd1 10565 goto nla_put_failure;
4ed20beb 10566 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
2dad624e
ND		 10567 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
10568 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9360ffd1 10569 goto nla_put_failure;
052536ab 10570 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
2dad624e
ND		 10571 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
10572 survey->time_scan, NL80211_SURVEY_INFO_PAD))
052536ab 10573 goto nla_put_failure;
c8cd6e7f
FF		 10574 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
10575 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
10576 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
10577 goto nla_put_failure;
61fa713c
HS		 10578
10579 nla_nest_end(msg, infoattr);
10580
053c095a
JB		 10581 genlmsg_end(msg, hdr);
10582 return 0;
61fa713c
HS		 10583
10584 nla_put_failure:
10585 genlmsg_cancel(msg, hdr);
10586 return -EMSGSIZE;
10587}
10588
11f78ac3 10589static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
61fa713c 10590{
50508d94 10591 struct nlattr **attrbuf;
61fa713c 10592 struct survey_info survey;
1b8ec87a 10593 struct cfg80211_registered_device *rdev;
97990a06
JB		 10594 struct wireless_dev *wdev;
10595 int survey_idx = cb->args[2];
61fa713c 10596 int res;
11f78ac3 10597 bool radio_stats;
61fa713c 10598
50508d94
JB		 10599 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10600 if (!attrbuf)
10601 return -ENOMEM;
10602
ce6b6974 10603 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
a05829a7
JB		 10604 if (res) {
10605 kfree(attrbuf);
10606 return res;
10607 }
10608 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10609 __acquire(&rdev->wiphy.mtx);
61fa713c 10610
11f78ac3 10611 /* prepare_wdev_dump parsed the attributes */
c90c39da 10612 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
11f78ac3 10613
97990a06
JB		 10614 if (!wdev->netdev) {
10615 res = -EINVAL;
10616 goto out_err;
10617 }
10618
1b8ec87a 10619 if (!rdev->ops->dump_survey) {
61fa713c
HS		 10620 res = -EOPNOTSUPP;
10621 goto out_err;
10622 }
10623
10624 while (1) {
1b8ec87a 10625 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
61fa713c
HS		 10626 if (res == -ENOENT)
10627 break;
10628 if (res)
10629 goto out_err;
10630
11f78ac3
JB		 10631 /* don't send disabled channels, but do send non-channel data */
10632 if (survey.channel &&
10633 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
180cdc79
LR		 10634 survey_idx++;
10635 continue;
10636 }
10637
61fa713c 10638 if (nl80211_send_survey(skb,
15e47304 10639 NETLINK_CB(cb->skb).portid,
61fa713c 10640 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11f78ac3 10641 wdev->netdev, radio_stats, &survey) < 0)
61fa713c
HS		 10642 goto out;
10643 survey_idx++;
10644 }
10645
10646 out:
97990a06 10647 cb->args[2] = survey_idx;
61fa713c
HS		 10648 res = skb->len;
10649 out_err:
50508d94 10650 kfree(attrbuf);
a05829a7 10651 wiphy_unlock(&rdev->wiphy);
61fa713c
HS		 10652 return res;
10653}
10654
b23aa676
SO		 10655static bool nl80211_valid_wpa_versions(u32 wpa_versions)
10656{
10657 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
cc3e14c2
CHH		 10658 NL80211_WPA_VERSION_2 |
10659 NL80211_WPA_VERSION_3));
b23aa676
SO		 10660}
10661
636a5d36
JM		 10662static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
10663{
4c476991
JB		 10664 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10665 struct net_device *dev = info->user_ptr[1];
19957bb3 10666 struct ieee80211_channel *chan;
325839da
JB		 10667 const u8 *bssid, *ssid;
10668 int err, ssid_len;
19957bb3 10669 enum nl80211_auth_type auth_type;
fffd0934 10670 struct key_parse key;
d5cdfacb 10671 bool local_state_change;
325839da 10672 struct cfg80211_auth_request req = {};
942ba88b 10673 u32 freq;
636a5d36 10674
f4a11bb0
JB		 10675 if (!info->attrs[NL80211_ATTR_MAC])
10676 return -EINVAL;
10677
1778092e
JM		 10678 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
10679 return -EINVAL;
10680
19957bb3
JB		 10681 if (!info->attrs[NL80211_ATTR_SSID])
10682 return -EINVAL;
10683
10684 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10685 return -EINVAL;
10686
fffd0934
JB		 10687 err = nl80211_parse_key(info, &key);
10688 if (err)
10689 return err;
10690
10691 if (key.idx >= 0) {
e31b8213
JB		 10692 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
10693 return -EINVAL;
fffd0934
JB		 10694 if (!key.p.key || !key.p.key_len)
10695 return -EINVAL;
10696 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
10697 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
10698 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
10699 key.p.key_len != WLAN_KEY_LEN_WEP104))
10700 return -EINVAL;
b6b5555b 10701 if (key.idx > 3)
fffd0934
JB		 10702 return -EINVAL;
10703 } else {
10704 key.p.key_len = 0;
10705 key.p.key = NULL;
10706 }
10707
afea0b7a
JB		 10708 if (key.idx >= 0) {
10709 int i;
10710 bool ok = false;
7a087e74 10711
afea0b7a
JB		 10712 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
10713 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
10714 ok = true;
10715 break;
10716 }
10717 }
4c476991
JB		 10718 if (!ok)
10719 return -EINVAL;
afea0b7a
JB		 10720 }
10721
4c476991
JB		 10722 if (!rdev->ops->auth)
10723 return -EOPNOTSUPP;
636a5d36 10724
074ac8df 10725 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10726 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10727 return -EOPNOTSUPP;
eec60b03 10728
19957bb3 10729 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
942ba88b
TP		 10730 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10731 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10732 freq +=
10733 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10734
10735 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
664834de 10736 if (!chan)
4c476991 10737 return -EINVAL;
636a5d36 10738
19957bb3
JB		 10739 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10740 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 10741
10742 if (info->attrs[NL80211_ATTR_IE]) {
325839da
JB		 10743 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10744 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 10745 }
10746
19957bb3 10747 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e 10748 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
4c476991 10749 return -EINVAL;
636a5d36 10750
63181060
JM		 10751 if ((auth_type == NL80211_AUTHTYPE_SAE ||
10752 auth_type == NL80211_AUTHTYPE_FILS_SK ||
10753 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
10754 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
11b6b5a4 10755 !info->attrs[NL80211_ATTR_AUTH_DATA])
e39e5b5e
JM		 10756 return -EINVAL;
10757
11b6b5a4 10758 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
63181060
JM		 10759 if (auth_type != NL80211_AUTHTYPE_SAE &&
10760 auth_type != NL80211_AUTHTYPE_FILS_SK &&
10761 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
10762 auth_type != NL80211_AUTHTYPE_FILS_PK)
e39e5b5e 10763 return -EINVAL;
325839da
JB		 10764 req.auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
10765 req.auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
e39e5b5e
JM		 10766 }
10767
d5cdfacb
JM		 10768 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10769
95de817b
JB		 10770 /*
10771 * Since we no longer track auth state, ignore
10772 * requests to only change local state.
10773 */
10774 if (local_state_change)
10775 return 0;
10776
325839da
JB		 10777 req.auth_type = auth_type;
10778 req.key = key.p.key;
10779 req.key_len = key.p.key_len;
10780 req.key_idx = key.idx;
d648c230
JB		 10781 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10782 if (req.link_id >= 0) {
45aaf17c
JB		 10783 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10784 return -EINVAL;
d648c230
JB		 10785 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
10786 return -EINVAL;
10787 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
727073ca
JB		 10788 if (!is_valid_ether_addr(req.ap_mld_addr))
10789 return -EINVAL;
d648c230 10790 }
325839da
JB		 10791
10792 req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
10793 IEEE80211_BSS_TYPE_ESS,
10794 IEEE80211_PRIVACY_ANY);
10795 if (!req.bss)
10796 return -ENOENT;
10797
325839da 10798 err = cfg80211_mlme_auth(rdev, dev, &req);
325839da
JB		 10799
10800 cfg80211_put_bss(&rdev->wiphy, req.bss);
10801
91bf9b26 10802 return err;
636a5d36
JM		 10803}
10804
64bf3d4b
DK		 10805static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
10806 struct genl_info *info)
10807{
10808 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10809 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
10810 return -EINVAL;
10811 }
10812
10813 if (!rdev->ops->tx_control_port ||
10814 !wiphy_ext_feature_isset(&rdev->wiphy,
10815 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
10816 return -EOPNOTSUPP;
10817
10818 return 0;
10819}
10820
c0692b8f
JB		 10821static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
10822 struct genl_info *info,
3dc27d25
JB		 10823 struct cfg80211_crypto_settings *settings,
10824 int cipher_limit)
b23aa676 10825{
c0b2bbd8
JB		 10826 memset(settings, 0, sizeof(*settings));
10827
b23aa676
SO		 10828 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
10829
c0692b8f
JB		 10830 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
10831 u16 proto;
7a087e74 10832
c0692b8f
JB		 10833 proto = nla_get_u16(
10834 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
10835 settings->control_port_ethertype = cpu_to_be16(proto);
10836 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
10837 proto != ETH_P_PAE)
10838 return -EINVAL;
10839 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
10840 settings->control_port_no_encrypt = true;
10841 } else
10842 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
10843
64bf3d4b
DK		 10844 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10845 int r = validate_pae_over_nl80211(rdev, info);
10846
10847 if (r < 0)
10848 return r;
10849
10850 settings->control_port_over_nl80211 = true;
7f3f96ce
MT		 10851
10852 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
10853 settings->control_port_no_preauth = true;
64bf3d4b
DK		 10854 }
10855
b23aa676
SO		 10856 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
10857 void *data;
10858 int len, i;
10859
10860 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10861 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10862 settings->n_ciphers_pairwise = len / sizeof(u32);
10863
10864 if (len % sizeof(u32))
10865 return -EINVAL;
10866
3dc27d25 10867 if (settings->n_ciphers_pairwise > cipher_limit)
b23aa676
SO		 10868 return -EINVAL;
10869
10870 memcpy(settings->ciphers_pairwise, data, len);
10871
10872 for (i = 0; i < settings->n_ciphers_pairwise; i++)
38ba3c57
JM		 10873 if (!cfg80211_supported_cipher_suite(
10874 &rdev->wiphy,
b23aa676
SO		 10875 settings->ciphers_pairwise[i]))
10876 return -EINVAL;
10877 }
10878
10879 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
10880 settings->cipher_group =
10881 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
38ba3c57
JM		 10882 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
10883 settings->cipher_group))
b23aa676
SO		 10884 return -EINVAL;
10885 }
10886
10887 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
10888 settings->wpa_versions =
10889 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
10890 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
10891 return -EINVAL;
10892 }
10893
10894 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
10895 void *data;
6d30240e 10896 int len;
b23aa676
SO		 10897
10898 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
10899 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
10900 settings->n_akm_suites = len / sizeof(u32);
10901
10902 if (len % sizeof(u32))
10903 return -EINVAL;
10904
ecad3b0b 10905 if (settings->n_akm_suites > rdev->wiphy.max_num_akm_suites)
1b9ca027
JM		 10906 return -EINVAL;
10907
b23aa676 10908 memcpy(settings->akm_suites, data, len);
b23aa676
SO		 10909 }
10910
91b5ab62
EP		 10911 if (info->attrs[NL80211_ATTR_PMK]) {
10912 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
10913 return -EINVAL;
10914 if (!wiphy_ext_feature_isset(&rdev->wiphy,
f9662274
CHH		 10915 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
10916 !wiphy_ext_feature_isset(&rdev->wiphy,
10917 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
91b5ab62
EP		 10918 return -EINVAL;
10919 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10920 }
10921
26f7044e
CHH		 10922 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
10923 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2831a631
CHH		 10924 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10925 !wiphy_ext_feature_isset(&rdev->wiphy,
10926 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
26f7044e
CHH		 10927 return -EINVAL;
10928 settings->sae_pwd =
10929 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10930 settings->sae_pwd_len =
10931 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10932 }
10933
9f0ffa41
RD		 10934 if (info->attrs[NL80211_ATTR_SAE_PWE])
10935 settings->sae_pwe =
10936 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
10937 else
10938 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
10939
b23aa676
SO		 10940 return 0;
10941}
10942
9ecff10e
JB		 10943static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev,
10944 const u8 *ssid, int ssid_len,
d02a12b8
JB		 10945 struct nlattr **attrs,
10946 int assoc_link_id, int link_id)
9ecff10e
JB		 10947{
10948 struct ieee80211_channel *chan;
10949 struct cfg80211_bss *bss;
10950 const u8 *bssid;
d02a12b8 10951 u32 freq, use_for = 0;
9ecff10e
JB		 10952
10953 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_WIPHY_FREQ])
10954 return ERR_PTR(-EINVAL);
10955
10956 bssid = nla_data(attrs[NL80211_ATTR_MAC]);
10957
10958 freq = MHZ_TO_KHZ(nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]));
10959 if (attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10960 freq += nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10961
10962 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10963 if (!chan)
10964 return ERR_PTR(-EINVAL);
10965
d02a12b8
JB		 10966 if (assoc_link_id >= 0)
10967 use_for = NL80211_BSS_USE_FOR_MLD_LINK;
10968 if (assoc_link_id == link_id)
10969 use_for |= NL80211_BSS_USE_FOR_NORMAL;
10970
10971 bss = __cfg80211_get_bss(&rdev->wiphy, chan, bssid,
10972 ssid, ssid_len,
10973 IEEE80211_BSS_TYPE_ESS,
10974 IEEE80211_PRIVACY_ANY,
10975 use_for);
9ecff10e
JB		 10976 if (!bss)
10977 return ERR_PTR(-ENOENT);
10978
9ecff10e
JB		 10979 return bss;
10980}
10981
636a5d36
JM		 10982static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
10983{
4c476991
JB		 10984 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10985 struct net_device *dev = info->user_ptr[1];
f62fab73 10986 struct cfg80211_assoc_request req = {};
d648c230 10987 struct nlattr **attrs = NULL;
96c06950 10988 const u8 *ap_addr, *ssid;
d648c230 10989 unsigned int link_id;
0f759448 10990 int err, ssid_len;
636a5d36 10991
bad29297
AZ		 10992 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10993 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10994 return -EPERM;
10995
9ecff10e 10996 if (!info->attrs[NL80211_ATTR_SSID])
f4a11bb0
JB		 10997 return -EINVAL;
10998
4c476991
JB		 10999 if (!rdev->ops->assoc)
11000 return -EOPNOTSUPP;
636a5d36 11001
074ac8df 11002 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11003 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11004 return -EOPNOTSUPP;
eec60b03 11005
19957bb3
JB		 11006 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11007 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 11008
11009 if (info->attrs[NL80211_ATTR_IE]) {
f62fab73
JB		 11010 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11011 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
df35f316
JB		 11012
11013 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
11014 req.ie, req.ie_len)) {
a7b2cc59
BB		 11015 NL_SET_ERR_MSG_ATTR(info->extack,
11016 info->attrs[NL80211_ATTR_IE],
11017 "non-inheritance makes no sense");
df35f316
JB		 11018 return -EINVAL;
11019 }
636a5d36
JM		 11020 }
11021
dc6382ce 11022 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4f5dadce 11023 enum nl80211_mfp mfp =
dc6382ce 11024 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4f5dadce 11025 if (mfp == NL80211_MFP_REQUIRED)
f62fab73 11026 req.use_mfp = true;
4c476991
JB		 11027 else if (mfp != NL80211_MFP_NO)
11028 return -EINVAL;
dc6382ce
JM		 11029 }
11030
3e5d7649 11031 if (info->attrs[NL80211_ATTR_PREV_BSSID])
f62fab73 11032 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
3e5d7649 11033
7e7c8926 11034 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
f62fab73 11035 req.flags |= ASSOC_REQ_DISABLE_HT;
7e7c8926
BG		 11036
11037 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
f62fab73
JB		 11038 memcpy(&req.ht_capa_mask,
11039 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11040 sizeof(req.ht_capa_mask));
7e7c8926
BG		 11041
11042 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
f62fab73 11043 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7e7c8926 11044 return -EINVAL;
f62fab73
JB		 11045 memcpy(&req.ht_capa,
11046 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11047 sizeof(req.ht_capa));
7e7c8926
BG		 11048 }
11049
ee2aca34 11050 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
f62fab73 11051 req.flags |= ASSOC_REQ_DISABLE_VHT;
ee2aca34 11052
b6db0f89
BG		 11053 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11054 req.flags |= ASSOC_REQ_DISABLE_HE;
11055
36f84235
MS		 11056 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11057 req.flags |= ASSOC_REQ_DISABLE_EHT;
11058
ee2aca34 11059 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
f62fab73
JB		 11060 memcpy(&req.vht_capa_mask,
11061 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11062 sizeof(req.vht_capa_mask));
ee2aca34
JB		 11063
11064 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
f62fab73 11065 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
ee2aca34 11066 return -EINVAL;
f62fab73
JB		 11067 memcpy(&req.vht_capa,
11068 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11069 sizeof(req.vht_capa));
ee2aca34
JB		 11070 }
11071
bab5ab7d 11072 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 11073 if (!((rdev->wiphy.features &
11074 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11075 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11076 !wiphy_ext_feature_isset(&rdev->wiphy,
11077 NL80211_EXT_FEATURE_RRM))
bab5ab7d
AK		 11078 return -EINVAL;
11079 req.flags |= ASSOC_REQ_USE_RRM;
11080 }
11081
348bd456
JM		 11082 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
11083 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
11084 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
11085 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
11086 return -EINVAL;
11087 req.fils_nonces =
11088 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
11089 }
11090
d2b7588a
TP		 11091 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
11092 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
11093 return -EINVAL;
11094 memcpy(&req.s1g_capa_mask,
11095 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
11096 sizeof(req.s1g_capa_mask));
11097 }
11098
11099 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
11100 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
11101 return -EINVAL;
11102 memcpy(&req.s1g_capa,
11103 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
11104 sizeof(req.s1g_capa));
11105 }
11106
d648c230
JB		 11107 req.link_id = nl80211_link_id_or_invalid(info->attrs);
11108
11109 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
11110 unsigned int attrsize = NUM_NL80211_ATTR * sizeof(*attrs);
11111 struct nlattr *link;
11112 int rem = 0;
11113
11114 if (req.link_id < 0)
11115 return -EINVAL;
11116
11117 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
11118 return -EINVAL;
11119
11120 if (info->attrs[NL80211_ATTR_MAC] ||
11121 info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11122 !info->attrs[NL80211_ATTR_MLD_ADDR])
11123 return -EINVAL;
11124
11125 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
96c06950 11126 ap_addr = req.ap_mld_addr;
d648c230
JB		 11127
11128 attrs = kzalloc(attrsize, GFP_KERNEL);
11129 if (!attrs)
11130 return -ENOMEM;
11131
11132 nla_for_each_nested(link,
11133 info->attrs[NL80211_ATTR_MLO_LINKS],
11134 rem) {
11135 memset(attrs, 0, attrsize);
11136
11137 nla_parse_nested(attrs, NL80211_ATTR_MAX,
11138 link, NULL, NULL);
11139
11140 if (!attrs[NL80211_ATTR_MLO_LINK_ID]) {
11141 err = -EINVAL;
a7b2cc59 11142 NL_SET_BAD_ATTR(info->extack, link);
d648c230
JB		 11143 goto free;
11144 }
11145
11146 link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]);
11147 /* cannot use the same link ID again */
11148 if (req.links[link_id].bss) {
11149 err = -EINVAL;
a7b2cc59 11150 NL_SET_BAD_ATTR(info->extack, link);
d648c230
JB		 11151 goto free;
11152 }
11153 req.links[link_id].bss =
d02a12b8
JB		 11154 nl80211_assoc_bss(rdev, ssid, ssid_len, attrs,
11155 req.link_id, link_id);
d648c230
JB		 11156 if (IS_ERR(req.links[link_id].bss)) {
11157 err = PTR_ERR(req.links[link_id].bss);
9b6bf4d6 11158 req.links[link_id].bss = NULL;
a7b2cc59
BB		 11159 NL_SET_ERR_MSG_ATTR(info->extack,
11160 link, "Error fetching BSS for link");
d648c230
JB		 11161 goto free;
11162 }
11163
11164 if (attrs[NL80211_ATTR_IE]) {
11165 req.links[link_id].elems =
11166 nla_data(attrs[NL80211_ATTR_IE]);
11167 req.links[link_id].elems_len =
11168 nla_len(attrs[NL80211_ATTR_IE]);
df35f316
JB		 11169
11170 if (cfg80211_find_elem(WLAN_EID_FRAGMENT,
11171 req.links[link_id].elems,
11172 req.links[link_id].elems_len)) {
a7b2cc59
BB		 11173 NL_SET_ERR_MSG_ATTR(info->extack,
11174 attrs[NL80211_ATTR_IE],
11175 "cannot deal with fragmentation");
df35f316
JB		 11176 err = -EINVAL;
11177 goto free;
11178 }
11179
11180 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
11181 req.links[link_id].elems,
11182 req.links[link_id].elems_len)) {
a7b2cc59
BB		 11183 NL_SET_ERR_MSG_ATTR(info->extack,
11184 attrs[NL80211_ATTR_IE],
11185 "cannot deal with non-inheritance");
df35f316
JB		 11186 err = -EINVAL;
11187 goto free;
11188 }
d648c230 11189 }
6cf963ed
IP		 11190
11191 req.links[link_id].disabled =
11192 nla_get_flag(attrs[NL80211_ATTR_MLO_LINK_DISABLED]);
d648c230
JB		 11193 }
11194
11195 if (!req.links[req.link_id].bss) {
11196 err = -EINVAL;
11197 goto free;
11198 }
11199
34d76a14
JB		 11200 if (req.links[req.link_id].elems_len) {
11201 GENL_SET_ERR_MSG(info,
11202 "cannot have per-link elems on assoc link");
11203 err = -EINVAL;
11204 goto free;
11205 }
11206
6cf963ed
IP		 11207 if (req.links[req.link_id].disabled) {
11208 GENL_SET_ERR_MSG(info,
11209 "cannot have assoc link disabled");
11210 err = -EINVAL;
11211 goto free;
11212 }
11213
d648c230
JB		 11214 kfree(attrs);
11215 attrs = NULL;
11216 } else {
11217 if (req.link_id >= 0)
11218 return -EINVAL;
11219
d02a12b8
JB		 11220 req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs,
11221 -1, -1);
d648c230
JB		 11222 if (IS_ERR(req.bss))
11223 return PTR_ERR(req.bss);
96c06950 11224 ap_addr = req.bss->bssid;
d648c230 11225 }
0f759448 11226
f62fab73 11227 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
91bf9b26 11228 if (!err) {
a7b2cc59
BB		 11229 struct nlattr *link;
11230 int rem = 0;
11231
0f759448 11232 err = cfg80211_mlme_assoc(rdev, dev, &req);
bd2522b1
AZ		 11233
11234 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11235 dev->ieee80211_ptr->conn_owner_nlportid =
11236 info->snd_portid;
11237 memcpy(dev->ieee80211_ptr->disconnect_bssid,
96c06950 11238 ap_addr, ETH_ALEN);
bd2522b1 11239 }
a7b2cc59
BB		 11240
11241 /* Report error from first problematic link */
11242 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
11243 nla_for_each_nested(link,
11244 info->attrs[NL80211_ATTR_MLO_LINKS],
11245 rem) {
11246 struct nlattr *link_id_attr =
11247 nla_find_nested(link, NL80211_ATTR_MLO_LINK_ID);
11248
11249 if (!link_id_attr)
11250 continue;
11251
11252 link_id = nla_get_u8(link_id_attr);
11253
11254 if (link_id == req.link_id)
11255 continue;
11256
11257 if (!req.links[link_id].error ||
11258 WARN_ON(req.links[link_id].error > 0))
11259 continue;
11260
11261 WARN_ON(err >= 0);
11262
11263 NL_SET_BAD_ATTR(info->extack, link);
11264 err = req.links[link_id].error;
11265 break;
11266 }
11267 }
91bf9b26 11268 }
636a5d36 11269
d648c230
JB		 11270free:
11271 for (link_id = 0; link_id < ARRAY_SIZE(req.links); link_id++)
11272 cfg80211_put_bss(&rdev->wiphy, req.links[link_id].bss);
0f759448 11273 cfg80211_put_bss(&rdev->wiphy, req.bss);
d648c230 11274 kfree(attrs);
0f759448 11275
636a5d36
JM		 11276 return err;
11277}
11278
11279static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
11280{
4c476991
JB		 11281 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11282 struct net_device *dev = info->user_ptr[1];
19957bb3 11283 const u8 *ie = NULL, *bssid;
076fc877 11284 int ie_len = 0;
19957bb3 11285 u16 reason_code;
d5cdfacb 11286 bool local_state_change;
636a5d36 11287
bad29297
AZ		 11288 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11289 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11290 return -EPERM;
11291
f4a11bb0
JB		 11292 if (!info->attrs[NL80211_ATTR_MAC])
11293 return -EINVAL;
11294
11295 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11296 return -EINVAL;
11297
4c476991
JB		 11298 if (!rdev->ops->deauth)
11299 return -EOPNOTSUPP;
636a5d36 11300
074ac8df 11301 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11302 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11303 return -EOPNOTSUPP;
eec60b03 11304
19957bb3 11305 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 11306
19957bb3
JB		 11307 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11308 if (reason_code == 0) {
f4a11bb0 11309 /* Reason Code 0 is reserved */
4c476991 11310 return -EINVAL;
255e737e 11311 }
636a5d36
JM		 11312
11313 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 11314 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11315 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 11316 }
11317
d5cdfacb
JM		 11318 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11319
076fc877
JB		 11320 return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
11321 local_state_change);
636a5d36
JM		 11322}
11323
11324static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
11325{
4c476991
JB		 11326 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11327 struct net_device *dev = info->user_ptr[1];
19957bb3 11328 const u8 *ie = NULL, *bssid;
076fc877 11329 int ie_len = 0;
19957bb3 11330 u16 reason_code;
d5cdfacb 11331 bool local_state_change;
636a5d36 11332
bad29297
AZ		 11333 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11334 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11335 return -EPERM;
11336
f4a11bb0
JB		 11337 if (!info->attrs[NL80211_ATTR_MAC])
11338 return -EINVAL;
11339
11340 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11341 return -EINVAL;
11342
4c476991
JB		 11343 if (!rdev->ops->disassoc)
11344 return -EOPNOTSUPP;
636a5d36 11345
074ac8df 11346 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11347 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11348 return -EOPNOTSUPP;
eec60b03 11349
19957bb3 11350 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 11351
19957bb3
JB		 11352 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11353 if (reason_code == 0) {
f4a11bb0 11354 /* Reason Code 0 is reserved */
4c476991 11355 return -EINVAL;
255e737e 11356 }
636a5d36
JM		 11357
11358 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 11359 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11360 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 11361 }
11362
d5cdfacb
JM		 11363 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11364
076fc877
JB		 11365 return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
11366 local_state_change);
636a5d36
JM		 11367}
11368
dd5b4cc7
FF		 11369static bool
11370nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
57fbcce3 11371 int mcast_rate[NUM_NL80211_BANDS],
dd5b4cc7
FF		 11372 int rateval)
11373{
11374 struct wiphy *wiphy = &rdev->wiphy;
11375 bool found = false;
11376 int band, i;
11377
57fbcce3 11378 for (band = 0; band < NUM_NL80211_BANDS; band++) {
dd5b4cc7
FF		 11379 struct ieee80211_supported_band *sband;
11380
11381 sband = wiphy->bands[band];
11382 if (!sband)
11383 continue;
11384
11385 for (i = 0; i < sband->n_bitrates; i++) {
11386 if (sband->bitrates[i].bitrate == rateval) {
11387 mcast_rate[band] = i + 1;
11388 found = true;
11389 break;
11390 }
11391 }
11392 }
11393
11394 return found;
11395}
11396
04a773ad
JB		 11397static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
11398{
4c476991
JB		 11399 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11400 struct net_device *dev = info->user_ptr[1];
04a773ad
JB		 11401 struct cfg80211_ibss_params ibss;
11402 struct wiphy *wiphy;
fffd0934 11403 struct cfg80211_cached_keys *connkeys = NULL;
04a773ad
JB		 11404 int err;
11405
8e30bc55
JB		 11406 memset(&ibss, 0, sizeof(ibss));
11407
683b6d3b 11408 if (!info->attrs[NL80211_ATTR_SSID] ||
04a773ad
JB		 11409 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11410 return -EINVAL;
11411
8e30bc55
JB		 11412 ibss.beacon_interval = 100;
11413
12d20fc9 11414 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8e30bc55
JB		 11415 ibss.beacon_interval =
11416 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 11417
0c317a02
PK		 11418 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
11419 ibss.beacon_interval);
12d20fc9
PK		 11420 if (err)
11421 return err;
8e30bc55 11422
4c476991
JB		 11423 if (!rdev->ops->join_ibss)
11424 return -EOPNOTSUPP;
04a773ad 11425
4c476991
JB		 11426 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11427 return -EOPNOTSUPP;
04a773ad 11428
79c97e97 11429 wiphy = &rdev->wiphy;
04a773ad 11430
39193498 11431 if (info->attrs[NL80211_ATTR_MAC]) {
04a773ad 11432 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
39193498
JB		 11433
11434 if (!is_valid_ether_addr(ibss.bssid))
11435 return -EINVAL;
11436 }
04a773ad
JB		 11437 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11438 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11439
11440 if (info->attrs[NL80211_ATTR_IE]) {
11441 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11442 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11443 }
11444
683b6d3b
JB		 11445 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
11446 if (err)
11447 return err;
04a773ad 11448
174e0cd2
IP		 11449 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
11450 NL80211_IFTYPE_ADHOC))
54858ee5
AS		 11451 return -EINVAL;
11452
2f301ab2 11453 switch (ibss.chandef.width) {
bf372645
SW		 11454 case NL80211_CHAN_WIDTH_5:
11455 case NL80211_CHAN_WIDTH_10:
2f301ab2
SW		 11456 case NL80211_CHAN_WIDTH_20_NOHT:
11457 break;
11458 case NL80211_CHAN_WIDTH_20:
11459 case NL80211_CHAN_WIDTH_40:
ffc11991
JD		 11460 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11461 return -EINVAL;
11462 break;
11463 case NL80211_CHAN_WIDTH_80:
11464 case NL80211_CHAN_WIDTH_80P80:
11465 case NL80211_CHAN_WIDTH_160:
11466 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11467 return -EINVAL;
11468 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11469 NL80211_EXT_FEATURE_VHT_IBSS))
11470 return -EINVAL;
11471 break;
3743bec6
JD		 11472 case NL80211_CHAN_WIDTH_320:
11473 return -EINVAL;
2f301ab2 11474 default:
c04d6150 11475 return -EINVAL;
2f301ab2 11476 }
db9c64cf 11477
04a773ad 11478 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
fffd0934
JB		 11479 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
11480
fbd2c8dc
TP		 11481 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11482 u8 *rates =
11483 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11484 int n_rates =
11485 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11486 struct ieee80211_supported_band *sband =
683b6d3b 11487 wiphy->bands[ibss.chandef.chan->band];
fbd2c8dc 11488
34850ab2
JB		 11489 err = ieee80211_get_ratemask(sband, rates, n_rates,
11490 &ibss.basic_rates);
11491 if (err)
11492 return err;
fbd2c8dc 11493 }
dd5b4cc7 11494
803768f5
SW		 11495 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11496 memcpy(&ibss.ht_capa_mask,
11497 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11498 sizeof(ibss.ht_capa_mask));
11499
11500 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11501 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11502 return -EINVAL;
11503 memcpy(&ibss.ht_capa,
11504 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11505 sizeof(ibss.ht_capa));
11506 }
11507
dd5b4cc7
FF		 11508 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11509 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
11510 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11511 return -EINVAL;
fbd2c8dc 11512
4c476991 11513 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
de7044ee
SM		 11514 bool no_ht = false;
11515
768075eb 11516 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
4c476991
JB		 11517 if (IS_ERR(connkeys))
11518 return PTR_ERR(connkeys);
de7044ee 11519
3d9d1d66
JB		 11520 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
11521 no_ht) {
453431a5 11522 kfree_sensitive(connkeys);
de7044ee
SM		 11523 return -EINVAL;
11524 }
4c476991 11525 }
04a773ad 11526
267335d6
AQ		 11527 ibss.control_port =
11528 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
11529
c3bfe1f6
DK		 11530 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11531 int r = validate_pae_over_nl80211(rdev, info);
11532
d350a0f4 11533 if (r < 0) {
453431a5 11534 kfree_sensitive(connkeys);
c3bfe1f6 11535 return r;
d350a0f4 11536 }
c3bfe1f6
DK		 11537
11538 ibss.control_port_over_nl80211 = true;
11539 }
11540
5336fa88
SW		 11541 ibss.userspace_handles_dfs =
11542 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11543
f8d16d3e 11544 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
fffd0934 11545 if (err)
453431a5 11546 kfree_sensitive(connkeys);
f8d16d3e
DK		 11547 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
11548 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
f8d16d3e 11549
04a773ad
JB		 11550 return err;
11551}
11552
11553static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
11554{
4c476991
JB		 11555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11556 struct net_device *dev = info->user_ptr[1];
04a773ad 11557
4c476991
JB		 11558 if (!rdev->ops->leave_ibss)
11559 return -EOPNOTSUPP;
04a773ad 11560
4c476991
JB		 11561 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11562 return -EOPNOTSUPP;
04a773ad 11563
4c476991 11564 return cfg80211_leave_ibss(rdev, dev, false);
04a773ad
JB		 11565}
11566
f4e583c8
AQ		 11567static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
11568{
11569 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11570 struct net_device *dev = info->user_ptr[1];
57fbcce3 11571 int mcast_rate[NUM_NL80211_BANDS];
f4e583c8 11572 u32 nla_rate;
f4e583c8
AQ		 11573
11574 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
876dc930
BVB		 11575 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
11576 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
f4e583c8
AQ		 11577 return -EOPNOTSUPP;
11578
11579 if (!rdev->ops->set_mcast_rate)
11580 return -EOPNOTSUPP;
11581
11582 memset(mcast_rate, 0, sizeof(mcast_rate));
11583
11584 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
11585 return -EINVAL;
11586
11587 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
11588 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
11589 return -EINVAL;
11590
a21cd7d6 11591 return rdev_set_mcast_rate(rdev, dev, mcast_rate);
f4e583c8
AQ		 11592}
11593
ad7e718c
JB		 11594static struct sk_buff *
11595__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6c09e791
AK		 11596 struct wireless_dev *wdev, int approxlen,
11597 u32 portid, u32 seq, enum nl80211_commands cmd,
567ffc35
JB		 11598 enum nl80211_attrs attr,
11599 const struct nl80211_vendor_cmd_info *info,
11600 gfp_t gfp)
ad7e718c
JB		 11601{
11602 struct sk_buff *skb;
11603 void *hdr;
11604 struct nlattr *data;
11605
11606 skb = nlmsg_new(approxlen + 100, gfp);
11607 if (!skb)
11608 return NULL;
11609
11610 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
11611 if (!hdr) {
11612 kfree_skb(skb);
11613 return NULL;
11614 }
11615
11616 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11617 goto nla_put_failure;
567ffc35
JB		 11618
11619 if (info) {
11620 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
11621 info->vendor_id))
11622 goto nla_put_failure;
11623 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
11624 info->subcmd))
11625 goto nla_put_failure;
11626 }
11627
6c09e791 11628 if (wdev) {
2dad624e
ND		 11629 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11630 wdev_id(wdev), NL80211_ATTR_PAD))
6c09e791
AK		 11631 goto nla_put_failure;
11632 if (wdev->netdev &&
11633 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
11634 wdev->netdev->ifindex))
11635 goto nla_put_failure;
11636 }
11637
ae0be8de 11638 data = nla_nest_start_noflag(skb, attr);
76e1fb4b
JB		 11639 if (!data)
11640 goto nla_put_failure;
ad7e718c
JB		 11641
11642 ((void **)skb->cb)[0] = rdev;
11643 ((void **)skb->cb)[1] = hdr;
11644 ((void **)skb->cb)[2] = data;
11645
11646 return skb;
11647
11648 nla_put_failure:
11649 kfree_skb(skb);
11650 return NULL;
11651}
f4e583c8 11652
e03ad6ea 11653struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6c09e791 11654 struct wireless_dev *wdev,
e03ad6ea
JB		 11655 enum nl80211_commands cmd,
11656 enum nl80211_attrs attr,
55c1fdf0 11657 unsigned int portid,
e03ad6ea
JB		 11658 int vendor_event_idx,
11659 int approxlen, gfp_t gfp)
11660{
f26cbf40 11661 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
e03ad6ea
JB		 11662 const struct nl80211_vendor_cmd_info *info;
11663
11664 switch (cmd) {
11665 case NL80211_CMD_TESTMODE:
11666 if (WARN_ON(vendor_event_idx != -1))
11667 return NULL;
11668 info = NULL;
11669 break;
11670 case NL80211_CMD_VENDOR:
11671 if (WARN_ON(vendor_event_idx < 0 ||
11672 vendor_event_idx >= wiphy->n_vendor_events))
11673 return NULL;
11674 info = &wiphy->vendor_events[vendor_event_idx];
11675 break;
11676 default:
11677 WARN_ON(1);
11678 return NULL;
11679 }
11680
55c1fdf0 11681 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
e03ad6ea
JB		 11682 cmd, attr, info, gfp);
11683}
11684EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
11685
11686void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
11687{
11688 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11689 void *hdr = ((void **)skb->cb)[1];
55c1fdf0 11690 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
e03ad6ea
JB		 11691 struct nlattr *data = ((void **)skb->cb)[2];
11692 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
11693
bd8c78e7
JB		 11694 /* clear CB data for netlink core to own from now on */
11695 memset(skb->cb, 0, sizeof(skb->cb));
11696
e03ad6ea
JB		 11697 nla_nest_end(skb, data);
11698 genlmsg_end(skb, hdr);
11699
55c1fdf0
JB		 11700 if (nlhdr->nlmsg_pid) {
11701 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
11702 nlhdr->nlmsg_pid);
11703 } else {
11704 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
11705 mcgrp = NL80211_MCGRP_VENDOR;
e03ad6ea 11706
55c1fdf0
JB		 11707 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11708 skb, 0, mcgrp, gfp);
11709 }
e03ad6ea
JB		 11710}
11711EXPORT_SYMBOL(__cfg80211_send_event_skb);
11712
aff89a9b 11713#ifdef CONFIG_NL80211_TESTMODE
aff89a9b
JB		 11714static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
11715{
4c476991 11716 struct cfg80211_registered_device *rdev = info->user_ptr[0];
a05829a7 11717 struct wireless_dev *wdev;
aff89a9b
JB		 11718 int err;
11719
a05829a7
JB		 11720 lockdep_assert_held(&rdev->wiphy.mtx);
11721
11722 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
11723 info->attrs);
11724
fc73f11f
DS		 11725 if (!rdev->ops->testmode_cmd)
11726 return -EOPNOTSUPP;
11727
11728 if (IS_ERR(wdev)) {
11729 err = PTR_ERR(wdev);
11730 if (err != -EINVAL)
11731 return err;
11732 wdev = NULL;
11733 } else if (wdev->wiphy != &rdev->wiphy) {
11734 return -EINVAL;
11735 }
11736
aff89a9b
JB		 11737 if (!info->attrs[NL80211_ATTR_TESTDATA])
11738 return -EINVAL;
11739
ad7e718c 11740 rdev->cur_cmd_info = info;
fc73f11f 11741 err = rdev_testmode_cmd(rdev, wdev,
aff89a9b
JB		 11742 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
11743 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
ad7e718c 11744 rdev->cur_cmd_info = NULL;
aff89a9b 11745
aff89a9b
JB		 11746 return err;
11747}
11748
71063f0e
WYG		 11749static int nl80211_testmode_dump(struct sk_buff *skb,
11750 struct netlink_callback *cb)
11751{
00918d33 11752 struct cfg80211_registered_device *rdev;
50508d94 11753 struct nlattr **attrbuf = NULL;
71063f0e
WYG		 11754 int err;
11755 long phy_idx;
11756 void *data = NULL;
11757 int data_len = 0;
11758
5fe231e8
JB		 11759 rtnl_lock();
11760
71063f0e
WYG		 11761 if (cb->args[0]) {
11762 /*
11763 * 0 is a valid index, but not valid for args[0],
11764 * so we need to offset by 1.
11765 */
11766 phy_idx = cb->args[0] - 1;
a4956dca
LC		 11767
11768 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
11769 if (!rdev) {
11770 err = -ENOENT;
11771 goto out_err;
11772 }
71063f0e 11773 } else {
50508d94
JB		 11774 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
11775 GFP_KERNEL);
11776 if (!attrbuf) {
11777 err = -ENOMEM;
11778 goto out_err;
11779 }
c90c39da 11780
8cb08174
JB		 11781 err = nlmsg_parse_deprecated(cb->nlh,
11782 GENL_HDRLEN + nl80211_fam.hdrsize,
11783 attrbuf, nl80211_fam.maxattr,
11784 nl80211_policy, NULL);
71063f0e 11785 if (err)
5fe231e8 11786 goto out_err;
00918d33 11787
c90c39da 11788 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
2bd7e35d 11789 if (IS_ERR(rdev)) {
5fe231e8
JB		 11790 err = PTR_ERR(rdev);
11791 goto out_err;
00918d33 11792 }
2bd7e35d 11793 phy_idx = rdev->wiphy_idx;
2bd7e35d 11794
c90c39da
JB		 11795 if (attrbuf[NL80211_ATTR_TESTDATA])
11796 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
71063f0e
WYG		 11797 }
11798
11799 if (cb->args[1]) {
11800 data = nla_data((void *)cb->args[1]);
11801 data_len = nla_len((void *)cb->args[1]);
11802 }
11803
00918d33 11804 if (!rdev->ops->testmode_dump) {
71063f0e
WYG		 11805 err = -EOPNOTSUPP;
11806 goto out_err;
11807 }
11808
11809 while (1) {
15e47304 11810 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
71063f0e
WYG		 11811 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11812 NL80211_CMD_TESTMODE);
11813 struct nlattr *tmdata;
11814
cb35fba3
DC		 11815 if (!hdr)
11816 break;
11817
9360ffd1 11818 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
71063f0e
WYG		 11819 genlmsg_cancel(skb, hdr);
11820 break;
11821 }
11822
ae0be8de 11823 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
71063f0e
WYG		 11824 if (!tmdata) {
11825 genlmsg_cancel(skb, hdr);
11826 break;
11827 }
e35e4d28 11828 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
71063f0e
WYG		 11829 nla_nest_end(skb, tmdata);
11830
11831 if (err == -ENOBUFS || err == -ENOENT) {
11832 genlmsg_cancel(skb, hdr);
11833 break;
11834 } else if (err) {
11835 genlmsg_cancel(skb, hdr);
11836 goto out_err;
11837 }
11838
11839 genlmsg_end(skb, hdr);
11840 }
11841
11842 err = skb->len;
11843 /* see above */
11844 cb->args[0] = phy_idx + 1;
11845 out_err:
50508d94 11846 kfree(attrbuf);
5fe231e8 11847 rtnl_unlock();
71063f0e
WYG		 11848 return err;
11849}
aff89a9b
JB		 11850#endif
11851
b23aa676
SO		 11852static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
11853{
4c476991
JB		 11854 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11855 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 11856 struct cfg80211_connect_params connect;
11857 struct wiphy *wiphy;
fffd0934 11858 struct cfg80211_cached_keys *connkeys = NULL;
942ba88b 11859 u32 freq = 0;
b23aa676
SO		 11860 int err;
11861
11862 memset(&connect, 0, sizeof(connect));
11863
b23aa676
SO		 11864 if (!info->attrs[NL80211_ATTR_SSID] ||
11865 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11866 return -EINVAL;
11867
11868 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11869 connect.auth_type =
11870 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 11871 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
11872 NL80211_CMD_CONNECT))
b23aa676
SO		 11873 return -EINVAL;
11874 } else
11875 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
11876
11877 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
11878
3a00df57
AS		 11879 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
11880 !wiphy_ext_feature_isset(&rdev->wiphy,
11881 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
11882 return -EINVAL;
11883 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
11884
c0692b8f 11885 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
3dc27d25 11886 NL80211_MAX_NR_CIPHER_SUITES);
b23aa676
SO		 11887 if (err)
11888 return err;
b23aa676 11889
074ac8df 11890 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11891 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11892 return -EOPNOTSUPP;
b23aa676 11893
79c97e97 11894 wiphy = &rdev->wiphy;
b23aa676 11895
4486ea98
BS		 11896 connect.bg_scan_period = -1;
11897 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
11898 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
11899 connect.bg_scan_period =
11900 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
11901 }
11902
b23aa676
SO		 11903 if (info->attrs[NL80211_ATTR_MAC])
11904 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1df4a510
JM		 11905 else if (info->attrs[NL80211_ATTR_MAC_HINT])
11906 connect.bssid_hint =
11907 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
b23aa676
SO		 11908 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11909 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11910
11911 if (info->attrs[NL80211_ATTR_IE]) {
11912 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11913 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11914 }
11915
cee00a95
JM		 11916 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11917 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
65026002
EG		 11918 if (connect.mfp == NL80211_MFP_OPTIONAL &&
11919 !wiphy_ext_feature_isset(&rdev->wiphy,
11920 NL80211_EXT_FEATURE_MFP_OPTIONAL))
11921 return -EOPNOTSUPP;
cee00a95
JM		 11922 } else {
11923 connect.mfp = NL80211_MFP_NO;
11924 }
11925
ba6fbacf
JM		 11926 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11927 connect.prev_bssid =
11928 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11929
942ba88b
TP		 11930 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
11931 freq = MHZ_TO_KHZ(nla_get_u32(
11932 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
11933 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
11934 freq +=
11935 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
11936
11937 if (freq) {
11938 connect.channel = nl80211_get_valid_chan(wiphy, freq);
664834de 11939 if (!connect.channel)
1df4a510
JM		 11940 return -EINVAL;
11941 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
942ba88b
TP		 11942 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
11943 freq = MHZ_TO_KHZ(freq);
11944 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
664834de 11945 if (!connect.channel_hint)
4c476991 11946 return -EINVAL;
b23aa676
SO		 11947 }
11948
2a38075c
AAL		 11949 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
11950 connect.edmg.channels =
11951 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
11952
11953 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
11954 connect.edmg.bw_config =
11955 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
11956 }
11957
fffd0934 11958 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
768075eb 11959 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
4c476991
JB		 11960 if (IS_ERR(connkeys))
11961 return PTR_ERR(connkeys);
fffd0934
JB		 11962 }
11963
7e7c8926
BG		 11964 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11965 connect.flags |= ASSOC_REQ_DISABLE_HT;
11966
11967 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11968 memcpy(&connect.ht_capa_mask,
11969 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11970 sizeof(connect.ht_capa_mask));
11971
11972 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
b4e4f47e 11973 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
453431a5 11974 kfree_sensitive(connkeys);
7e7c8926 11975 return -EINVAL;
b4e4f47e 11976 }
7e7c8926
BG		 11977 memcpy(&connect.ht_capa,
11978 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11979 sizeof(connect.ht_capa));
11980 }
11981
ee2aca34
JB		 11982 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11983 connect.flags |= ASSOC_REQ_DISABLE_VHT;
11984
b6db0f89
BG		 11985 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11986 connect.flags |= ASSOC_REQ_DISABLE_HE;
11987
36f84235
MS		 11988 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11989 connect.flags |= ASSOC_REQ_DISABLE_EHT;
11990
ee2aca34
JB		 11991 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11992 memcpy(&connect.vht_capa_mask,
11993 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11994 sizeof(connect.vht_capa_mask));
11995
11996 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11997 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
453431a5 11998 kfree_sensitive(connkeys);
ee2aca34
JB		 11999 return -EINVAL;
12000 }
12001 memcpy(&connect.vht_capa,
12002 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
12003 sizeof(connect.vht_capa));
12004 }
12005
bab5ab7d 12006 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 12007 if (!((rdev->wiphy.features &
12008 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
12009 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
12010 !wiphy_ext_feature_isset(&rdev->wiphy,
12011 NL80211_EXT_FEATURE_RRM)) {
453431a5 12012 kfree_sensitive(connkeys);
bab5ab7d 12013 return -EINVAL;
707554b4 12014 }
bab5ab7d
AK		 12015 connect.flags |= ASSOC_REQ_USE_RRM;
12016 }
12017
34d50519 12018 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
57fbcce3 12019 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
453431a5 12020 kfree_sensitive(connkeys);
34d50519
LD		 12021 return -EOPNOTSUPP;
12022 }
12023
38de03d2
AS		 12024 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
12025 /* bss selection makes no sense if bssid is set */
12026 if (connect.bssid) {
453431a5 12027 kfree_sensitive(connkeys);
38de03d2
AS		 12028 return -EINVAL;
12029 }
12030
12031 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
12032 wiphy, &connect.bss_select);
12033 if (err) {
453431a5 12034 kfree_sensitive(connkeys);
38de03d2
AS		 12035 return err;
12036 }
12037 }
12038
a3caf744
VK		 12039 if (wiphy_ext_feature_isset(&rdev->wiphy,
12040 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
12041 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
12042 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
12043 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
12044 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12045 connect.fils_erp_username =
12046 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12047 connect.fils_erp_username_len =
12048 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12049 connect.fils_erp_realm =
12050 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12051 connect.fils_erp_realm_len =
12052 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12053 connect.fils_erp_next_seq_num =
12054 nla_get_u16(
12055 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
12056 connect.fils_erp_rrk =
12057 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12058 connect.fils_erp_rrk_len =
12059 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12060 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
12061 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
12062 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
12063 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
453431a5 12064 kfree_sensitive(connkeys);
a3caf744
VK		 12065 return -EINVAL;
12066 }
12067
40cbfa90
SD		 12068 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
12069 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
453431a5 12070 kfree_sensitive(connkeys);
40cbfa90
SD		 12071 GENL_SET_ERR_MSG(info,
12072 "external auth requires connection ownership");
12073 return -EINVAL;
12074 }
12075 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
12076 }
12077
efbabc11
VJ		 12078 if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
12079 connect.flags |= CONNECT_REQ_MLO_SUPPORT;
12080
4ce2bd9c
JM		 12081 err = cfg80211_connect(rdev, dev, &connect, connkeys,
12082 connect.prev_bssid);
fffd0934 12083 if (err)
453431a5 12084 kfree_sensitive(connkeys);
bd2522b1
AZ		 12085
12086 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
12087 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
12088 if (connect.bssid)
12089 memcpy(dev->ieee80211_ptr->disconnect_bssid,
12090 connect.bssid, ETH_ALEN);
12091 else
3b1648f1 12092 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
bd2522b1
AZ		 12093 }
12094
b23aa676
SO		 12095 return err;
12096}
12097
088e8df8 12098static int nl80211_update_connect_params(struct sk_buff *skb,
12099 struct genl_info *info)
12100{
12101 struct cfg80211_connect_params connect = {};
12102 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12103 struct net_device *dev = info->user_ptr[1];
12104 struct wireless_dev *wdev = dev->ieee80211_ptr;
7f9a3e15
VK		 12105 bool fils_sk_offload;
12106 u32 auth_type;
088e8df8 12107 u32 changed = 0;
088e8df8 12108
12109 if (!rdev->ops->update_connect_params)
12110 return -EOPNOTSUPP;
12111
12112 if (info->attrs[NL80211_ATTR_IE]) {
088e8df8 12113 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12114 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12115 changed |= UPDATE_ASSOC_IES;
12116 }
12117
7f9a3e15
VK		 12118 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
12119 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
12120
12121 /*
12122 * when driver supports fils-sk offload all attributes must be
12123 * provided. So the else covers "fils-sk-not-all" and
12124 * "no-fils-sk-any".
12125 */
12126 if (fils_sk_offload &&
12127 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
12128 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
12129 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
12130 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12131 connect.fils_erp_username =
12132 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12133 connect.fils_erp_username_len =
12134 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12135 connect.fils_erp_realm =
12136 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12137 connect.fils_erp_realm_len =
12138 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12139 connect.fils_erp_next_seq_num =
12140 nla_get_u16(
12141 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
12142 connect.fils_erp_rrk =
12143 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12144 connect.fils_erp_rrk_len =
12145 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12146 changed |= UPDATE_FILS_ERP_INFO;
12147 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
12148 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
12149 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
12150 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12151 return -EINVAL;
12152 }
12153
12154 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
12155 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
12156 if (!nl80211_valid_auth_type(rdev, auth_type,
12157 NL80211_CMD_CONNECT))
12158 return -EINVAL;
12159
12160 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
12161 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
12162 return -EINVAL;
12163
12164 connect.auth_type = auth_type;
12165 changed |= UPDATE_AUTH_TYPE;
12166 }
12167
7b0a0e3c 12168 if (!wdev->connected)
076fc877 12169 return -ENOLINK;
088e8df8 12170
076fc877 12171 return rdev_update_connect_params(rdev, dev, &connect, changed);
088e8df8 12172}
12173
b23aa676
SO		 12174static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
12175{
4c476991
JB		 12176 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12177 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 12178 u16 reason;
12179
bad29297
AZ		 12180 if (dev->ieee80211_ptr->conn_owner_nlportid &&
12181 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
12182 return -EPERM;
12183
b23aa676
SO		 12184 if (!info->attrs[NL80211_ATTR_REASON_CODE])
12185 reason = WLAN_REASON_DEAUTH_LEAVING;
12186 else
12187 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
12188
12189 if (reason == 0)
12190 return -EINVAL;
12191
074ac8df 12192 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 12193 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12194 return -EOPNOTSUPP;
b23aa676 12195
076fc877 12196 return cfg80211_disconnect(rdev, dev, reason, true);
b23aa676
SO		 12197}
12198
463d0183
JB		 12199static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
12200{
4c476991 12201 struct cfg80211_registered_device *rdev = info->user_ptr[0];
463d0183
JB		 12202 struct net *net;
12203 int err;
463d0183 12204
4b681c82
VK		 12205 if (info->attrs[NL80211_ATTR_PID]) {
12206 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
12207
12208 net = get_net_ns_by_pid(pid);
12209 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
12210 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
463d0183 12211
4b681c82
VK		 12212 net = get_net_ns_by_fd(fd);
12213 } else {
12214 return -EINVAL;
12215 }
463d0183 12216
4c476991
JB		 12217 if (IS_ERR(net))
12218 return PTR_ERR(net);
463d0183
JB		 12219
12220 err = 0;
12221
12222 /* check if anything to do */
4c476991
JB		 12223 if (!net_eq(wiphy_net(&rdev->wiphy), net))
12224 err = cfg80211_switch_netns(rdev, net);
463d0183 12225
463d0183 12226 put_net(net);
463d0183
JB		 12227 return err;
12228}
12229
aa0887c4 12230static int nl80211_set_pmksa(struct sk_buff *skb, struct genl_info *info)
67fbb16b 12231{
4c476991 12232 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 12233 struct net_device *dev = info->user_ptr[1];
67fbb16b 12234 struct cfg80211_pmksa pmksa;
aa0887c4 12235 bool ap_pmksa_caching_support = false;
67fbb16b
SO		 12236
12237 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
12238
aa0887c4
VY		 12239 ap_pmksa_caching_support = wiphy_ext_feature_isset(&rdev->wiphy,
12240 NL80211_EXT_FEATURE_AP_PMKSA_CACHING);
12241
67fbb16b
SO		 12242 if (!info->attrs[NL80211_ATTR_PMKID])
12243 return -EINVAL;
12244
67fbb16b 12245 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
a3caf744
VK		 12246
12247 if (info->attrs[NL80211_ATTR_MAC]) {
12248 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
12249 } else if (info->attrs[NL80211_ATTR_SSID] &&
aa0887c4
VY		 12250 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
12251 info->attrs[NL80211_ATTR_PMK]) {
a3caf744
VK		 12252 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
12253 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
aa0887c4 12254 pmksa.cache_id = nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
a3caf744
VK		 12255 } else {
12256 return -EINVAL;
12257 }
aa0887c4 12258
a3caf744
VK		 12259 if (info->attrs[NL80211_ATTR_PMK]) {
12260 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
12261 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
12262 }
67fbb16b 12263
7fc82af8
VJ		 12264 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
12265 pmksa.pmk_lifetime =
12266 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
12267
12268 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
12269 pmksa.pmk_reauth_threshold =
aa0887c4 12270 nla_get_u8(info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
7fc82af8 12271
074ac8df 12272 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6c900360 12273 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
aa0887c4
VY		 12274 !((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
12275 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
12276 ap_pmksa_caching_support))
4c476991 12277 return -EOPNOTSUPP;
67fbb16b 12278
aa0887c4
VY		 12279 if (!rdev->ops->set_pmksa)
12280 return -EOPNOTSUPP;
12281
12282 return rdev_set_pmksa(rdev, dev, &pmksa);
12283}
12284
12285static int nl80211_del_pmksa(struct sk_buff *skb, struct genl_info *info)
12286{
12287 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12288 struct net_device *dev = info->user_ptr[1];
12289 struct cfg80211_pmksa pmksa;
12290 bool sae_offload_support = false;
12291 bool owe_offload_support = false;
12292 bool ap_pmksa_caching_support = false;
12293
12294 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
12295
12296 sae_offload_support = wiphy_ext_feature_isset(&rdev->wiphy,
12297 NL80211_EXT_FEATURE_SAE_OFFLOAD);
12298 owe_offload_support = wiphy_ext_feature_isset(&rdev->wiphy,
12299 NL80211_EXT_FEATURE_OWE_OFFLOAD);
12300 ap_pmksa_caching_support = wiphy_ext_feature_isset(&rdev->wiphy,
12301 NL80211_EXT_FEATURE_AP_PMKSA_CACHING);
12302
12303 if (info->attrs[NL80211_ATTR_PMKID])
12304 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
12305
12306 if (info->attrs[NL80211_ATTR_MAC]) {
12307 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
12308 } else if (info->attrs[NL80211_ATTR_SSID]) {
12309 /* SSID based pmksa flush suppported only for FILS,
12310 * OWE/SAE OFFLOAD cases
12311 */
12312 if (info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
12313 info->attrs[NL80211_ATTR_PMK]) {
12314 pmksa.cache_id = nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
12315 } else if (!sae_offload_support && !owe_offload_support) {
12316 return -EINVAL;
12317 }
12318 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
12319 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
12320 } else {
12321 return -EINVAL;
67fbb16b
SO		 12322 }
12323
aa0887c4
VY		 12324 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12325 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
12326 !((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
12327 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
12328 ap_pmksa_caching_support))
12329 return -EOPNOTSUPP;
12330
12331 if (!rdev->ops->del_pmksa)
4c476991 12332 return -EOPNOTSUPP;
67fbb16b 12333
aa0887c4 12334 return rdev_del_pmksa(rdev, dev, &pmksa);
67fbb16b
SO		 12335}
12336
12337static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
12338{
4c476991
JB		 12339 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12340 struct net_device *dev = info->user_ptr[1];
67fbb16b 12341
074ac8df 12342 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 12343 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12344 return -EOPNOTSUPP;
67fbb16b 12345
4c476991
JB		 12346 if (!rdev->ops->flush_pmksa)
12347 return -EOPNOTSUPP;
67fbb16b 12348
e35e4d28 12349 return rdev_flush_pmksa(rdev, dev);
67fbb16b
SO		 12350}
12351
109086ce
AN		 12352static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
12353{
12354 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12355 struct net_device *dev = info->user_ptr[1];
12356 u8 action_code, dialog_token;
df942e7b 12357 u32 peer_capability = 0;
109086ce
AN		 12358 u16 status_code;
12359 u8 *peer;
c6112046 12360 int link_id;
31fa97c5 12361 bool initiator;
109086ce
AN		 12362
12363 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12364 !rdev->ops->tdls_mgmt)
12365 return -EOPNOTSUPP;
12366
12367 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
12368 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
12369 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
12370 !info->attrs[NL80211_ATTR_IE] ||
12371 !info->attrs[NL80211_ATTR_MAC])
12372 return -EINVAL;
12373
12374 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12375 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
12376 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
12377 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
31fa97c5 12378 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
df942e7b
SDU		 12379 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
12380 peer_capability =
12381 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
c6112046 12382 link_id = nl80211_link_id_or_invalid(info->attrs);
109086ce 12383
c6112046 12384 return rdev_tdls_mgmt(rdev, dev, peer, link_id, action_code,
df942e7b 12385 dialog_token, status_code, peer_capability,
31fa97c5 12386 initiator,
e35e4d28
HG		 12387 nla_data(info->attrs[NL80211_ATTR_IE]),
12388 nla_len(info->attrs[NL80211_ATTR_IE]));
109086ce
AN		 12389}
12390
12391static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
12392{
12393 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12394 struct net_device *dev = info->user_ptr[1];
12395 enum nl80211_tdls_operation operation;
12396 u8 *peer;
12397
12398 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12399 !rdev->ops->tdls_oper)
12400 return -EOPNOTSUPP;
12401
12402 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
12403 !info->attrs[NL80211_ATTR_MAC])
12404 return -EINVAL;
12405
12406 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
12407 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12408
e35e4d28 12409 return rdev_tdls_oper(rdev, dev, peer, operation);
109086ce
AN		 12410}
12411
9588bbd5
JM		 12412static int nl80211_remain_on_channel(struct sk_buff *skb,
12413 struct genl_info *info)
12414{
4c476991 12415 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 12416 unsigned int link_id = nl80211_link_id(info->attrs);
71bbc994 12417 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 12418 struct cfg80211_chan_def chandef;
9588bbd5
JM		 12419 struct sk_buff *msg;
12420 void *hdr;
12421 u64 cookie;
683b6d3b 12422 u32 duration;
9588bbd5
JM		 12423 int err;
12424
12425 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
12426 !info->attrs[NL80211_ATTR_DURATION])
12427 return -EINVAL;
12428
12429 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12430
ebf348fc
JB		 12431 if (!rdev->ops->remain_on_channel ||
12432 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
12433 return -EOPNOTSUPP;
12434
9588bbd5 12435 /*
ebf348fc
JB		 12436 * We should be on that channel for at least a minimum amount of
12437 * time (10ms) but no longer than the driver supports.
9588bbd5 12438 */
ebf348fc 12439 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
a293911d 12440 duration > rdev->wiphy.max_remain_on_channel_duration)
9588bbd5
JM		 12441 return -EINVAL;
12442
683b6d3b
JB		 12443 err = nl80211_parse_chandef(rdev, info, &chandef);
12444 if (err)
12445 return err;
9588bbd5 12446
7b0a0e3c
JB		 12447 if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12448 const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
12449
12450 oper_chandef = wdev_chandef(wdev, link_id);
12451
12452 if (WARN_ON(!oper_chandef)) {
12453 /* cannot happen since we must beacon to get here */
12454 WARN_ON(1);
7b0a0e3c
JB		 12455 return -EBUSY;
12456 }
12457
12458 /* note: returns first one if identical chandefs */
12459 compat_chandef = cfg80211_chandef_compatible(&chandef,
12460 oper_chandef);
12461
076fc877 12462 if (compat_chandef != &chandef)
34373d12 12463 return -EBUSY;
34373d12 12464 }
34373d12 12465
9588bbd5 12466 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 12467 if (!msg)
12468 return -ENOMEM;
9588bbd5 12469
15e47304 12470 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9588bbd5 12471 NL80211_CMD_REMAIN_ON_CHANNEL);
cb35fba3
DC		 12472 if (!hdr) {
12473 err = -ENOBUFS;
9588bbd5
JM		 12474 goto free_msg;
12475 }
12476
683b6d3b
JB		 12477 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
12478 duration, &cookie);
9588bbd5
JM		 12479
12480 if (err)
12481 goto free_msg;
12482
2dad624e
ND		 12483 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12484 NL80211_ATTR_PAD))
9360ffd1 12485 goto nla_put_failure;
9588bbd5
JM		 12486
12487 genlmsg_end(msg, hdr);
4c476991
JB		 12488
12489 return genlmsg_reply(msg, info);
9588bbd5
JM		 12490
12491 nla_put_failure:
12492 err = -ENOBUFS;
12493 free_msg:
12494 nlmsg_free(msg);
9588bbd5
JM		 12495 return err;
12496}
12497
12498static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
12499 struct genl_info *info)
12500{
4c476991 12501 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 12502 struct wireless_dev *wdev = info->user_ptr[1];
9588bbd5 12503 u64 cookie;
9588bbd5
JM		 12504
12505 if (!info->attrs[NL80211_ATTR_COOKIE])
12506 return -EINVAL;
12507
4c476991
JB		 12508 if (!rdev->ops->cancel_remain_on_channel)
12509 return -EOPNOTSUPP;
9588bbd5 12510
9588bbd5
JM		 12511 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12512
e35e4d28 12513 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9588bbd5
JM		 12514}
12515
13ae75b1
JM		 12516static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
12517 struct genl_info *info)
12518{
13ae75b1 12519 struct cfg80211_bitrate_mask mask;
7b0a0e3c 12520 unsigned int link_id = nl80211_link_id(info->attrs);
a7c7fbff 12521 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 12522 struct net_device *dev = info->user_ptr[1];
a7c7fbff 12523 int err;
13ae75b1 12524
4c476991
JB		 12525 if (!rdev->ops->set_bitrate_mask)
12526 return -EOPNOTSUPP;
13ae75b1 12527
9a5f6488 12528 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
eb89a6a6 12529 NL80211_ATTR_TX_RATES, &mask,
7b0a0e3c 12530 dev, true, link_id);
a7c7fbff 12531 if (err)
076fc877 12532 return err;
13ae75b1 12533
076fc877 12534 return rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
13ae75b1
JM		 12535}
12536
2e161f78 12537static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 12538{
4c476991 12539 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 12540 struct wireless_dev *wdev = info->user_ptr[1];
2e161f78 12541 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
026331c4
JM		 12542
12543 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
12544 return -EINVAL;
12545
2e161f78
JB		 12546 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
12547 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
026331c4 12548
71bbc994
JB		 12549 switch (wdev->iftype) {
12550 case NL80211_IFTYPE_STATION:
12551 case NL80211_IFTYPE_ADHOC:
12552 case NL80211_IFTYPE_P2P_CLIENT:
12553 case NL80211_IFTYPE_AP:
12554 case NL80211_IFTYPE_AP_VLAN:
12555 case NL80211_IFTYPE_MESH_POINT:
12556 case NL80211_IFTYPE_P2P_GO:
98104fde 12557 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 12558 break;
cb3b7d87 12559 case NL80211_IFTYPE_NAN:
9b89495e
VG		 12560 if (!wiphy_ext_feature_isset(wdev->wiphy,
12561 NL80211_EXT_FEATURE_SECURE_NAN))
12562 return -EOPNOTSUPP;
12563 break;
71bbc994 12564 default:
4c476991 12565 return -EOPNOTSUPP;
71bbc994 12566 }
026331c4
JM		 12567
12568 /* not much point in registering if we can't reply */
4c476991
JB		 12569 if (!rdev->ops->mgmt_tx)
12570 return -EOPNOTSUPP;
026331c4 12571
9dba48a6
JB		 12572 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
12573 !wiphy_ext_feature_isset(&rdev->wiphy,
12574 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
12575 GENL_SET_ERR_MSG(info,
12576 "multicast RX registrations are not supported");
12577 return -EOPNOTSUPP;
12578 }
12579
15e47304 12580 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
ff74c51e
IP		 12581 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12582 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
9dba48a6 12583 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
ff74c51e 12584 info->extack);
026331c4
JM		 12585}
12586
2e161f78 12587static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 12588{
4c476991 12589 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 12590 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 12591 struct cfg80211_chan_def chandef;
026331c4 12592 int err;
d64d373f 12593 void *hdr = NULL;
026331c4 12594 u64 cookie;
e247bd90 12595 struct sk_buff *msg = NULL;
b176e629
AO		 12596 struct cfg80211_mgmt_tx_params params = {
12597 .dont_wait_for_ack =
12598 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
12599 };
026331c4 12600
683b6d3b 12601 if (!info->attrs[NL80211_ATTR_FRAME])
026331c4
JM		 12602 return -EINVAL;
12603
4c476991
JB		 12604 if (!rdev->ops->mgmt_tx)
12605 return -EOPNOTSUPP;
026331c4 12606
71bbc994 12607 switch (wdev->iftype) {
ea141b75
AQ		 12608 case NL80211_IFTYPE_P2P_DEVICE:
12609 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
12610 return -EINVAL;
d7832c71 12611 break;
71bbc994
JB		 12612 case NL80211_IFTYPE_STATION:
12613 case NL80211_IFTYPE_ADHOC:
12614 case NL80211_IFTYPE_P2P_CLIENT:
12615 case NL80211_IFTYPE_AP:
12616 case NL80211_IFTYPE_AP_VLAN:
12617 case NL80211_IFTYPE_MESH_POINT:
12618 case NL80211_IFTYPE_P2P_GO:
12619 break;
cb3b7d87 12620 case NL80211_IFTYPE_NAN:
9b89495e
VG		 12621 if (!wiphy_ext_feature_isset(wdev->wiphy,
12622 NL80211_EXT_FEATURE_SECURE_NAN))
12623 return -EOPNOTSUPP;
12624 break;
71bbc994 12625 default:
4c476991 12626 return -EOPNOTSUPP;
71bbc994 12627 }
026331c4 12628
f7ca38df 12629 if (info->attrs[NL80211_ATTR_DURATION]) {
7c4ef712 12630 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
f7ca38df 12631 return -EINVAL;
b176e629 12632 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
ebf348fc
JB		 12633
12634 /*
12635 * We should wait on the channel for at least a minimum amount
12636 * of time (10ms) but no longer than the driver supports.
12637 */
b176e629
AO		 12638 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12639 params.wait > rdev->wiphy.max_remain_on_channel_duration)
ebf348fc 12640 return -EINVAL;
f7ca38df
JB		 12641 }
12642
b176e629 12643 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
f7ca38df 12644
b176e629 12645 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7c4ef712
JB		 12646 return -EINVAL;
12647
b176e629 12648 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
e9f935e3 12649
ea141b75
AQ		 12650 /* get the channel if any has been specified, otherwise pass NULL to
12651 * the driver. The latter will use the current one
12652 */
12653 chandef.chan = NULL;
12654 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12655 err = nl80211_parse_chandef(rdev, info, &chandef);
12656 if (err)
12657 return err;
12658 }
12659
b176e629 12660 if (!chandef.chan && params.offchan)
ea141b75 12661 return -EINVAL;
026331c4 12662
7b0a0e3c 12663 if (params.offchan &&
076fc877 12664 !cfg80211_off_channel_oper_allowed(wdev, chandef.chan))
34373d12 12665 return -EBUSY;
95f498bb
JB		 12666
12667 params.link_id = nl80211_link_id_or_invalid(info->attrs);
12668 /*
12669 * This now races due to the unlock, but we cannot check
12670 * the valid links for the _station_ anyway, so that's up
12671 * to the driver.
12672 */
12673 if (params.link_id >= 0 &&
076fc877 12674 !(wdev->valid_links & BIT(params.link_id)))
95f498bb 12675 return -EINVAL;
34373d12 12676
34d22ce2
AO		 12677 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
12678 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
12679
12680 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
12681 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12682 int i;
12683
12684 if (len % sizeof(u16))
12685 return -EINVAL;
12686
12687 params.n_csa_offsets = len / sizeof(u16);
12688 params.csa_offsets =
12689 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12690
12691 /* check that all the offsets fit the frame */
12692 for (i = 0; i < params.n_csa_offsets; i++) {
12693 if (params.csa_offsets[i] >= params.len)
12694 return -EINVAL;
12695 }
12696 }
12697
b176e629 12698 if (!params.dont_wait_for_ack) {
e247bd90
JB		 12699 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12700 if (!msg)
12701 return -ENOMEM;
026331c4 12702
15e47304 12703 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
e247bd90 12704 NL80211_CMD_FRAME);
cb35fba3
DC		 12705 if (!hdr) {
12706 err = -ENOBUFS;
e247bd90
JB		 12707 goto free_msg;
12708 }
026331c4 12709 }
e247bd90 12710
b176e629
AO		 12711 params.chan = chandef.chan;
12712 err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
026331c4
JM		 12713 if (err)
12714 goto free_msg;
12715
e247bd90 12716 if (msg) {
2dad624e
ND		 12717 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12718 NL80211_ATTR_PAD))
9360ffd1 12719 goto nla_put_failure;
026331c4 12720
e247bd90
JB		 12721 genlmsg_end(msg, hdr);
12722 return genlmsg_reply(msg, info);
12723 }
12724
12725 return 0;
026331c4
JM		 12726
12727 nla_put_failure:
12728 err = -ENOBUFS;
12729 free_msg:
12730 nlmsg_free(msg);
026331c4
JM		 12731 return err;
12732}
12733
f7ca38df
JB		 12734static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
12735{
12736 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 12737 struct wireless_dev *wdev = info->user_ptr[1];
f7ca38df
JB		 12738 u64 cookie;
12739
12740 if (!info->attrs[NL80211_ATTR_COOKIE])
12741 return -EINVAL;
12742
12743 if (!rdev->ops->mgmt_tx_cancel_wait)
12744 return -EOPNOTSUPP;
12745
71bbc994
JB		 12746 switch (wdev->iftype) {
12747 case NL80211_IFTYPE_STATION:
12748 case NL80211_IFTYPE_ADHOC:
12749 case NL80211_IFTYPE_P2P_CLIENT:
12750 case NL80211_IFTYPE_AP:
12751 case NL80211_IFTYPE_AP_VLAN:
12752 case NL80211_IFTYPE_P2P_GO:
98104fde 12753 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 12754 break;
cb3b7d87 12755 case NL80211_IFTYPE_NAN:
9b89495e
VG		 12756 if (!wiphy_ext_feature_isset(wdev->wiphy,
12757 NL80211_EXT_FEATURE_SECURE_NAN))
12758 return -EOPNOTSUPP;
12759 break;
71bbc994 12760 default:
f7ca38df 12761 return -EOPNOTSUPP;
71bbc994 12762 }
f7ca38df
JB		 12763
12764 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12765
e35e4d28 12766 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
f7ca38df
JB		 12767}
12768
ffb9eb3d
KV		 12769static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
12770{
4c476991 12771 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d 12772 struct wireless_dev *wdev;
4c476991 12773 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 12774 u8 ps_state;
12775 bool state;
12776 int err;
12777
4c476991
JB		 12778 if (!info->attrs[NL80211_ATTR_PS_STATE])
12779 return -EINVAL;
ffb9eb3d
KV		 12780
12781 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
12782
ffb9eb3d
KV		 12783 wdev = dev->ieee80211_ptr;
12784
4c476991
JB		 12785 if (!rdev->ops->set_power_mgmt)
12786 return -EOPNOTSUPP;
ffb9eb3d
KV		 12787
12788 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
12789
12790 if (state == wdev->ps)
4c476991 12791 return 0;
ffb9eb3d 12792
e35e4d28 12793 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
4c476991
JB		 12794 if (!err)
12795 wdev->ps = state;
ffb9eb3d
KV		 12796 return err;
12797}
12798
12799static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
12800{
4c476991 12801 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d
KV		 12802 enum nl80211_ps_state ps_state;
12803 struct wireless_dev *wdev;
4c476991 12804 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 12805 struct sk_buff *msg;
12806 void *hdr;
12807 int err;
12808
ffb9eb3d
KV		 12809 wdev = dev->ieee80211_ptr;
12810
4c476991
JB		 12811 if (!rdev->ops->set_power_mgmt)
12812 return -EOPNOTSUPP;
ffb9eb3d
KV		 12813
12814 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 12815 if (!msg)
12816 return -ENOMEM;
ffb9eb3d 12817
15e47304 12818 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ffb9eb3d
KV		 12819 NL80211_CMD_GET_POWER_SAVE);
12820 if (!hdr) {
4c476991 12821 err = -ENOBUFS;
ffb9eb3d
KV		 12822 goto free_msg;
12823 }
12824
12825 if (wdev->ps)
12826 ps_state = NL80211_PS_ENABLED;
12827 else
12828 ps_state = NL80211_PS_DISABLED;
12829
9360ffd1
DM		 12830 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
12831 goto nla_put_failure;
ffb9eb3d
KV		 12832
12833 genlmsg_end(msg, hdr);
4c476991 12834 return genlmsg_reply(msg, info);
ffb9eb3d 12835
4c476991 12836 nla_put_failure:
ffb9eb3d 12837 err = -ENOBUFS;
4c476991 12838 free_msg:
ffb9eb3d 12839 nlmsg_free(msg);
ffb9eb3d
KV		 12840 return err;
12841}
12842
94e860f1
JB		 12843static const struct nla_policy
12844nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
4a4b8169 12845 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
d6dc1a38
JO		 12846 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
12847 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
84f10708
TP		 12848 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
12849 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
12850 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
bee427b8 12851 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
d6dc1a38
JO		 12852};
12853
84f10708 12854static int nl80211_set_cqm_txe(struct genl_info *info,
d9d8b019 12855 u32 rate, u32 pkts, u32 intvl)
84f10708
TP		 12856{
12857 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84f10708 12858 struct net_device *dev = info->user_ptr[1];
1da5fcc8 12859 struct wireless_dev *wdev = dev->ieee80211_ptr;
84f10708 12860
d9d8b019 12861 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
84f10708
TP		 12862 return -EINVAL;
12863
84f10708
TP		 12864 if (!rdev->ops->set_cqm_txe_config)
12865 return -EOPNOTSUPP;
12866
12867 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12868 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12869 return -EOPNOTSUPP;
12870
e35e4d28 12871 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
84f10708
TP		 12872}
12873
4a4b8169 12874static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
37c20b2e
JB		 12875 struct net_device *dev,
12876 struct cfg80211_cqm_config *cqm_config)
4a4b8169
AZ		 12877{
12878 struct wireless_dev *wdev = dev->ieee80211_ptr;
12879 s32 last, low, high;
12880 u32 hyst;
1222a160 12881 int i, n, low_index;
4a4b8169
AZ		 12882 int err;
12883
4a4b8169
AZ		 12884 /*
12885 * Obtain current RSSI value if possible, if not and no RSSI threshold
12886 * event has been received yet, we should receive an event after a
12887 * connection is established and enough beacons received to calculate
12888 * the average.
12889 */
37c20b2e 12890 if (!cqm_config->last_rssi_event_value &&
7b0a0e3c 12891 wdev->links[0].client.current_bss &&
4a4b8169 12892 rdev->ops->get_station) {
73887fd9 12893 struct station_info sinfo = {};
4a4b8169
AZ		 12894 u8 *mac_addr;
12895
7b0a0e3c 12896 mac_addr = wdev->links[0].client.current_bss->pub.bssid;
4a4b8169 12897
73887fd9
JB		 12898 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
12899 if (err)
4a4b8169
AZ		 12900 return err;
12901
df16737d 12902 cfg80211_sinfo_release_content(&sinfo);
397c657a 12903 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
37c20b2e 12904 cqm_config->last_rssi_event_value =
73887fd9 12905 (s8) sinfo.rx_beacon_signal_avg;
4a4b8169
AZ		 12906 }
12907
37c20b2e
JB		 12908 last = cqm_config->last_rssi_event_value;
12909 hyst = cqm_config->rssi_hyst;
12910 n = cqm_config->n_rssi_thresholds;
4a4b8169 12911
4b2c5a14
MH		 12912 for (i = 0; i < n; i++) {
12913 i = array_index_nospec(i, n);
37c20b2e 12914 if (last < cqm_config->rssi_thresholds[i])
4a4b8169 12915 break;
4b2c5a14 12916 }
4a4b8169 12917
1222a160
MH		 12918 low_index = i - 1;
12919 if (low_index >= 0) {
12920 low_index = array_index_nospec(low_index, n);
37c20b2e 12921 low = cqm_config->rssi_thresholds[low_index] - hyst;
1222a160
MH		 12922 } else {
12923 low = S32_MIN;
12924 }
12925 if (i < n) {
12926 i = array_index_nospec(i, n);
37c20b2e 12927 high = cqm_config->rssi_thresholds[i] + hyst - 1;
1222a160
MH		 12928 } else {
12929 high = S32_MAX;
12930 }
4a4b8169
AZ		 12931
12932 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
12933}
12934
d6dc1a38 12935static int nl80211_set_cqm_rssi(struct genl_info *info,
4a4b8169
AZ		 12936 const s32 *thresholds, int n_thresholds,
12937 u32 hysteresis)
d6dc1a38 12938{
4c476991 12939 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c20b2e 12940 struct cfg80211_cqm_config *cqm_config = NULL, *old;
4c476991 12941 struct net_device *dev = info->user_ptr[1];
1da5fcc8 12942 struct wireless_dev *wdev = dev->ieee80211_ptr;
4a4b8169 12943 s32 prev = S32_MIN;
7d6904bf 12944 int i, err;
d6dc1a38 12945
4a4b8169
AZ		 12946 /* Check all values negative and sorted */
12947 for (i = 0; i < n_thresholds; i++) {
12948 if (thresholds[i] > 0 || thresholds[i] <= prev)
12949 return -EINVAL;
d6dc1a38 12950
4a4b8169
AZ		 12951 prev = thresholds[i];
12952 }
d6dc1a38 12953
074ac8df 12954 if (wdev->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 12955 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12956 return -EOPNOTSUPP;
d6dc1a38 12957
4a4b8169
AZ		 12958 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
12959 n_thresholds = 0;
12960
7d6904bf 12961 old = wiphy_dereference(wdev->wiphy, wdev->cqm_config);
4a4b8169 12962
7e7efdda
JB		 12963 /* if already disabled just succeed */
12964 if (!n_thresholds && !old)
12965 return 0;
12966
12967 if (n_thresholds > 1) {
12968 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12969 NL80211_EXT_FEATURE_CQM_RSSI_LIST) ||
12970 !rdev->ops->set_cqm_rssi_range_config)
12971 return -EOPNOTSUPP;
12972 } else {
12973 if (!rdev->ops->set_cqm_rssi_config)
12974 return -EOPNOTSUPP;
12975 }
12976
37c20b2e 12977 if (n_thresholds) {
40f231e7
LB		 12978 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
12979 n_thresholds),
12980 GFP_KERNEL);
076fc877
JB		 12981 if (!cqm_config)
12982 return -ENOMEM;
4a4b8169
AZ		 12983
12984 cqm_config->rssi_hyst = hysteresis;
12985 cqm_config->n_rssi_thresholds = n_thresholds;
12986 memcpy(cqm_config->rssi_thresholds, thresholds,
40f231e7
LB		 12987 flex_array_size(cqm_config, rssi_thresholds,
12988 n_thresholds));
7e7efdda
JB		 12989 cqm_config->use_range_api = n_thresholds > 1 ||
12990 !rdev->ops->set_cqm_rssi_config;
4a4b8169 12991
37c20b2e 12992 rcu_assign_pointer(wdev->cqm_config, cqm_config);
7e7efdda
JB		 12993
12994 if (cqm_config->use_range_api)
12995 err = cfg80211_cqm_rssi_update(rdev, dev, cqm_config);
12996 else
12997 err = rdev_set_cqm_rssi_config(rdev, dev,
12998 thresholds[0],
12999 hysteresis);
37c20b2e
JB		 13000 } else {
13001 RCU_INIT_POINTER(wdev->cqm_config, NULL);
7e7efdda
JB		 13002 /* if enabled as range also disable via range */
13003 if (old->use_range_api)
13004 err = rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
13005 else
13006 err = rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
4a4b8169
AZ		 13007 }
13008
37c20b2e
JB		 13009 if (err) {
13010 rcu_assign_pointer(wdev->cqm_config, old);
13011 kfree_rcu(cqm_config, rcu_head);
13012 } else {
13013 kfree_rcu(old, rcu_head);
4a4b8169
AZ		 13014 }
13015
4a4b8169 13016 return err;
d6dc1a38
JO		 13017}
13018
13019static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
13020{
13021 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
13022 struct nlattr *cqm;
13023 int err;
13024
13025 cqm = info->attrs[NL80211_ATTR_CQM];
1da5fcc8
JB		 13026 if (!cqm)
13027 return -EINVAL;
d6dc1a38 13028
8cb08174
JB		 13029 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
13030 nl80211_attr_cqm_policy,
13031 info->extack);
d6dc1a38 13032 if (err)
1da5fcc8 13033 return err;
d6dc1a38
JO		 13034
13035 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
13036 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
4a4b8169
AZ		 13037 const s32 *thresholds =
13038 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
13039 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
1da5fcc8 13040 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
d6dc1a38 13041
4a4b8169
AZ		 13042 if (len % 4)
13043 return -EINVAL;
13044
13045 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
13046 hysteresis);
1da5fcc8
JB		 13047 }
13048
13049 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
13050 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
13051 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
13052 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
13053 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
13054 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
13055
13056 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
13057 }
13058
13059 return -EINVAL;
d6dc1a38
JO		 13060}
13061
6e0bd6c3
RL		 13062static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
13063{
13064 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13065 struct net_device *dev = info->user_ptr[1];
13066 struct ocb_setup setup = {};
13067 int err;
13068
13069 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
13070 if (err)
13071 return err;
13072
13073 return cfg80211_join_ocb(rdev, dev, &setup);
13074}
13075
13076static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
13077{
13078 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13079 struct net_device *dev = info->user_ptr[1];
13080
13081 return cfg80211_leave_ocb(rdev, dev);
13082}
13083
29cbe68c
JB		 13084static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
13085{
13086 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13087 struct net_device *dev = info->user_ptr[1];
13088 struct mesh_config cfg;
c80d545d 13089 struct mesh_setup setup;
29cbe68c
JB		 13090 int err;
13091
13092 /* start with default */
13093 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
c80d545d 13094 memcpy(&setup, &default_mesh_setup, sizeof(setup));
29cbe68c 13095
24bdd9f4 13096 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
29cbe68c 13097 /* and parse parameters if given */
24bdd9f4 13098 err = nl80211_parse_mesh_config(info, &cfg, NULL);
29cbe68c
JB		 13099 if (err)
13100 return err;
13101 }
13102
13103 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
13104 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
13105 return -EINVAL;
13106
c80d545d
JC		 13107 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
13108 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
13109
4bb62344
CYY		 13110 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
13111 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
13112 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
13113 return -EINVAL;
13114
9bdbf04d
MP		 13115 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
13116 setup.beacon_interval =
13117 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 13118
0c317a02
PK		 13119 err = cfg80211_validate_beacon_int(rdev,
13120 NL80211_IFTYPE_MESH_POINT,
13121 setup.beacon_interval);
12d20fc9
PK		 13122 if (err)
13123 return err;
9bdbf04d
MP		 13124 }
13125
13126 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
13127 setup.dtim_period =
13128 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
13129 if (setup.dtim_period < 1 || setup.dtim_period > 100)
13130 return -EINVAL;
13131 }
13132
c80d545d
JC		 13133 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
13134 /* parse additional setup parameters if given */
13135 err = nl80211_parse_mesh_setup(info, &setup);
13136 if (err)
13137 return err;
13138 }
13139
d37bb18a
TP		 13140 if (setup.user_mpm)
13141 cfg.auto_open_plinks = false;
13142
cc1d2806 13143 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 13144 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
13145 if (err)
13146 return err;
cc1d2806 13147 } else {
188c1b3c 13148 /* __cfg80211_join_mesh() will sort it out */
683b6d3b 13149 setup.chandef.chan = NULL;
cc1d2806
JB		 13150 }
13151
ffb3cf30
AN		 13152 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
13153 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
13154 int n_rates =
13155 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
13156 struct ieee80211_supported_band *sband;
13157
13158 if (!setup.chandef.chan)
13159 return -EINVAL;
13160
13161 sband = rdev->wiphy.bands[setup.chandef.chan->band];
13162
13163 err = ieee80211_get_ratemask(sband, rates, n_rates,
13164 &setup.basic_rates);
13165 if (err)
13166 return err;
13167 }
13168
8564e382 13169 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488
TC		 13170 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
13171 NL80211_ATTR_TX_RATES,
eb89a6a6 13172 &setup.beacon_rate,
7b0a0e3c 13173 dev, false, 0);
8564e382
JB		 13174 if (err)
13175 return err;
13176
265698d7
JB		 13177 if (!setup.chandef.chan)
13178 return -EINVAL;
13179
8564e382
JB		 13180 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
13181 &setup.beacon_rate);
13182 if (err)
13183 return err;
13184 }
13185
d37d49c2
BB		 13186 setup.userspace_handles_dfs =
13187 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
13188
1224f583
DK		 13189 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
13190 int r = validate_pae_over_nl80211(rdev, info);
13191
13192 if (r < 0)
13193 return r;
13194
13195 setup.control_port_over_nl80211 = true;
13196 }
13197
188c1b3c
DK		 13198 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
13199 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
13200 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
188c1b3c
DK		 13201
13202 return err;
29cbe68c
JB		 13203}
13204
13205static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
13206{
13207 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13208 struct net_device *dev = info->user_ptr[1];
13209
13210 return cfg80211_leave_mesh(rdev, dev);
13211}
13212
dfb89c56 13213#ifdef CONFIG_PM
bb92d199
AK		 13214static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
13215 struct cfg80211_registered_device *rdev)
13216{
6abb9cb9 13217 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
bb92d199
AK		 13218 struct nlattr *nl_pats, *nl_pat;
13219 int i, pat_len;
13220
6abb9cb9 13221 if (!wowlan->n_patterns)
bb92d199
AK		 13222 return 0;
13223
ae0be8de 13224 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
bb92d199
AK		 13225 if (!nl_pats)
13226 return -ENOBUFS;
13227
6abb9cb9 13228 for (i = 0; i < wowlan->n_patterns; i++) {
ae0be8de 13229 nl_pat = nla_nest_start_noflag(msg, i + 1);
bb92d199
AK		 13230 if (!nl_pat)
13231 return -ENOBUFS;
6abb9cb9 13232 pat_len = wowlan->patterns[i].pattern_len;
50ac6607 13233 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
6abb9cb9 13234 wowlan->patterns[i].mask) ||
50ac6607
AK		 13235 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13236 wowlan->patterns[i].pattern) ||
13237 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
6abb9cb9 13238 wowlan->patterns[i].pkt_offset))
bb92d199
AK		 13239 return -ENOBUFS;
13240 nla_nest_end(msg, nl_pat);
13241 }
13242 nla_nest_end(msg, nl_pats);
13243
13244 return 0;
13245}
13246
2a0e047e
JB		 13247static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
13248 struct cfg80211_wowlan_tcp *tcp)
13249{
13250 struct nlattr *nl_tcp;
13251
13252 if (!tcp)
13253 return 0;
13254
ae0be8de
MK		 13255 nl_tcp = nla_nest_start_noflag(msg,
13256 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
2a0e047e
JB		 13257 if (!nl_tcp)
13258 return -ENOBUFS;
13259
930345ea
JB		 13260 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
13261 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
2a0e047e
JB		 13262 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
13263 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
13264 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
13265 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
13266 tcp->payload_len, tcp->payload) ||
13267 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
13268 tcp->data_interval) ||
13269 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
13270 tcp->wake_len, tcp->wake_data) ||
13271 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
13272 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
13273 return -ENOBUFS;
13274
13275 if (tcp->payload_seq.len &&
13276 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
13277 sizeof(tcp->payload_seq), &tcp->payload_seq))
13278 return -ENOBUFS;
13279
13280 if (tcp->payload_tok.len &&
13281 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
13282 sizeof(tcp->payload_tok) + tcp->tokens_size,
13283 &tcp->payload_tok))
13284 return -ENOBUFS;
13285
e248ad30
JB		 13286 nla_nest_end(msg, nl_tcp);
13287
2a0e047e
JB		 13288 return 0;
13289}
13290
75453ccb
LC		 13291static int nl80211_send_wowlan_nd(struct sk_buff *msg,
13292 struct cfg80211_sched_scan_request *req)
13293{
3b06d277 13294 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
75453ccb
LC		 13295 int i;
13296
13297 if (!req)
13298 return 0;
13299
ae0be8de 13300 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
75453ccb
LC		 13301 if (!nd)
13302 return -ENOBUFS;
13303
3b06d277
AS		 13304 if (req->n_scan_plans == 1 &&
13305 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
13306 req->scan_plans[0].interval * 1000))
75453ccb
LC		 13307 return -ENOBUFS;
13308
21fea567
LC		 13309 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
13310 return -ENOBUFS;
13311
bf95ecdb 13312 if (req->relative_rssi_set) {
13313 struct nl80211_bss_select_rssi_adjust rssi_adjust;
13314
13315 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
13316 req->relative_rssi))
13317 return -ENOBUFS;
13318
13319 rssi_adjust.band = req->rssi_adjust.band;
13320 rssi_adjust.delta = req->rssi_adjust.delta;
13321 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
13322 sizeof(rssi_adjust), &rssi_adjust))
13323 return -ENOBUFS;
13324 }
13325
ae0be8de 13326 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
75453ccb
LC		 13327 if (!freqs)
13328 return -ENOBUFS;
13329
53b18980
JB		 13330 for (i = 0; i < req->n_channels; i++) {
13331 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
13332 return -ENOBUFS;
13333 }
75453ccb
LC		 13334
13335 nla_nest_end(msg, freqs);
13336
13337 if (req->n_match_sets) {
ae0be8de
MK		 13338 matches = nla_nest_start_noflag(msg,
13339 NL80211_ATTR_SCHED_SCAN_MATCH);
76e1fb4b
JB		 13340 if (!matches)
13341 return -ENOBUFS;
13342
75453ccb 13343 for (i = 0; i < req->n_match_sets; i++) {
ae0be8de 13344 match = nla_nest_start_noflag(msg, i);
76e1fb4b
JB		 13345 if (!match)
13346 return -ENOBUFS;
13347
53b18980
JB		 13348 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
13349 req->match_sets[i].ssid.ssid_len,
13350 req->match_sets[i].ssid.ssid))
13351 return -ENOBUFS;
75453ccb
LC		 13352 nla_nest_end(msg, match);
13353 }
13354 nla_nest_end(msg, matches);
13355 }
13356
ae0be8de 13357 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
3b06d277
AS		 13358 if (!scan_plans)
13359 return -ENOBUFS;
13360
13361 for (i = 0; i < req->n_scan_plans; i++) {
ae0be8de 13362 scan_plan = nla_nest_start_noflag(msg, i + 1);
76e1fb4b
JB		 13363 if (!scan_plan)
13364 return -ENOBUFS;
13365
67626964 13366 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
3b06d277
AS		 13367 req->scan_plans[i].interval) ||
13368 (req->scan_plans[i].iterations &&
13369 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
13370 req->scan_plans[i].iterations)))
13371 return -ENOBUFS;
13372 nla_nest_end(msg, scan_plan);
13373 }
13374 nla_nest_end(msg, scan_plans);
13375
75453ccb
LC		 13376 nla_nest_end(msg, nd);
13377
13378 return 0;
13379}
13380
ff1b6e69
JB		 13381static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
13382{
13383 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13384 struct sk_buff *msg;
13385 void *hdr;
2a0e047e 13386 u32 size = NLMSG_DEFAULT_SIZE;
ff1b6e69 13387
964dc9e2 13388 if (!rdev->wiphy.wowlan)
ff1b6e69
JB		 13389 return -EOPNOTSUPP;
13390
6abb9cb9 13391 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
2a0e047e 13392 /* adjust size to have room for all the data */
6abb9cb9
JB		 13393 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
13394 rdev->wiphy.wowlan_config->tcp->payload_len +
13395 rdev->wiphy.wowlan_config->tcp->wake_len +
13396 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
2a0e047e
JB		 13397 }
13398
13399 msg = nlmsg_new(size, GFP_KERNEL);
ff1b6e69
JB		 13400 if (!msg)
13401 return -ENOMEM;
13402
15e47304 13403 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ff1b6e69
JB		 13404 NL80211_CMD_GET_WOWLAN);
13405 if (!hdr)
13406 goto nla_put_failure;
13407
6abb9cb9 13408 if (rdev->wiphy.wowlan_config) {
ff1b6e69
JB		 13409 struct nlattr *nl_wowlan;
13410
ae0be8de
MK		 13411 nl_wowlan = nla_nest_start_noflag(msg,
13412 NL80211_ATTR_WOWLAN_TRIGGERS);
ff1b6e69
JB		 13413 if (!nl_wowlan)
13414 goto nla_put_failure;
13415
6abb9cb9 13416 if ((rdev->wiphy.wowlan_config->any &&
9360ffd1 13417 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6abb9cb9 13418 (rdev->wiphy.wowlan_config->disconnect &&
9360ffd1 13419 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6abb9cb9 13420 (rdev->wiphy.wowlan_config->magic_pkt &&
9360ffd1 13421 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6abb9cb9 13422 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9360ffd1 13423 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6abb9cb9 13424 (rdev->wiphy.wowlan_config->eap_identity_req &&
9360ffd1 13425 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6abb9cb9 13426 (rdev->wiphy.wowlan_config->four_way_handshake &&
9360ffd1 13427 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6abb9cb9 13428 (rdev->wiphy.wowlan_config->rfkill_release &&
9360ffd1
DM		 13429 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
13430 goto nla_put_failure;
2a0e047e 13431
bb92d199
AK		 13432 if (nl80211_send_wowlan_patterns(msg, rdev))
13433 goto nla_put_failure;
2a0e047e 13434
6abb9cb9
JB		 13435 if (nl80211_send_wowlan_tcp(msg,
13436 rdev->wiphy.wowlan_config->tcp))
2a0e047e 13437 goto nla_put_failure;
75453ccb
LC		 13438
13439 if (nl80211_send_wowlan_nd(
13440 msg,
13441 rdev->wiphy.wowlan_config->nd_config))
13442 goto nla_put_failure;
2a0e047e 13443
ff1b6e69
JB		 13444 nla_nest_end(msg, nl_wowlan);
13445 }
13446
13447 genlmsg_end(msg, hdr);
13448 return genlmsg_reply(msg, info);
13449
13450nla_put_failure:
13451 nlmsg_free(msg);
13452 return -ENOBUFS;
13453}
13454
2a0e047e
JB		 13455static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
13456 struct nlattr *attr,
13457 struct cfg80211_wowlan *trig)
13458{
13459 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
13460 struct cfg80211_wowlan_tcp *cfg;
13461 struct nl80211_wowlan_tcp_data_token *tok = NULL;
13462 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
13463 u32 size;
13464 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
13465 int err, port;
13466
964dc9e2 13467 if (!rdev->wiphy.wowlan->tcp)
2a0e047e
JB		 13468 return -EINVAL;
13469
8cb08174
JB		 13470 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
13471 nl80211_wowlan_tcp_policy, NULL);
2a0e047e
JB		 13472 if (err)
13473 return err;
13474
13475 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
13476 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
13477 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
13478 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
13479 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
13480 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
13481 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
13482 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
13483 return -EINVAL;
13484
13485 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
964dc9e2 13486 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
2a0e047e
JB		 13487 return -EINVAL;
13488
13489 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
964dc9e2 13490 rdev->wiphy.wowlan->tcp->data_interval_max ||
723d568a 13491 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
2a0e047e
JB		 13492 return -EINVAL;
13493
13494 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
964dc9e2 13495 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
2a0e047e
JB		 13496 return -EINVAL;
13497
13498 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
13499 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
13500 return -EINVAL;
13501
13502 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
13503 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13504
13505 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13506 tokens_size = tokln - sizeof(*tok);
13507
13508 if (!tok->len || tokens_size % tok->len)
13509 return -EINVAL;
964dc9e2 13510 if (!rdev->wiphy.wowlan->tcp->tok)
2a0e047e 13511 return -EINVAL;
964dc9e2 13512 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
2a0e047e 13513 return -EINVAL;
964dc9e2 13514 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
2a0e047e 13515 return -EINVAL;
964dc9e2 13516 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
2a0e047e
JB		 13517 return -EINVAL;
13518 if (tok->offset + tok->len > data_size)
13519 return -EINVAL;
13520 }
13521
13522 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
13523 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
964dc9e2 13524 if (!rdev->wiphy.wowlan->tcp->seq)
2a0e047e
JB		 13525 return -EINVAL;
13526 if (seq->len == 0 || seq->len > 4)
13527 return -EINVAL;
13528 if (seq->len + seq->offset > data_size)
13529 return -EINVAL;
13530 }
13531
13532 size = sizeof(*cfg);
13533 size += data_size;
13534 size += wake_size + wake_mask_size;
13535 size += tokens_size;
13536
13537 cfg = kzalloc(size, GFP_KERNEL);
13538 if (!cfg)
13539 return -ENOMEM;
67b61f6c
JB		 13540 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
13541 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
2a0e047e
JB		 13542 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
13543 ETH_ALEN);
13544 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
13545 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
13546 else
13547 port = 0;
13548#ifdef CONFIG_INET
13549 /* allocate a socket and port for it and use it */
13550 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
13551 IPPROTO_TCP, &cfg->sock, 1);
13552 if (err) {
13553 kfree(cfg);
13554 return err;
13555 }
13556 if (inet_csk_get_port(cfg->sock->sk, port)) {
13557 sock_release(cfg->sock);
13558 kfree(cfg);
13559 return -EADDRINUSE;
13560 }
13561 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
13562#else
13563 if (!port) {
13564 kfree(cfg);
13565 return -EINVAL;
13566 }
13567 cfg->src_port = port;
13568#endif
13569
13570 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
13571 cfg->payload_len = data_size;
13572 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
13573 memcpy((void *)cfg->payload,
13574 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
13575 data_size);
13576 if (seq)
13577 cfg->payload_seq = *seq;
13578 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
13579 cfg->wake_len = wake_size;
13580 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
13581 memcpy((void *)cfg->wake_data,
13582 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
13583 wake_size);
13584 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
13585 data_size + wake_size;
13586 memcpy((void *)cfg->wake_mask,
13587 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
13588 wake_mask_size);
13589 if (tok) {
13590 cfg->tokens_size = tokens_size;
10d5ea5a
KC		 13591 cfg->payload_tok = *tok;
13592 memcpy(cfg->payload_tok.token_stream, tok->token_stream,
13593 tokens_size);
2a0e047e
JB		 13594 }
13595
13596 trig->tcp = cfg;
13597
13598 return 0;
13599}
13600
8cd4d456
LC		 13601static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
13602 const struct wiphy_wowlan_support *wowlan,
13603 struct nlattr *attr,
13604 struct cfg80211_wowlan *trig)
13605{
13606 struct nlattr **tb;
13607 int err;
13608
6396bb22 13609 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
8cd4d456
LC		 13610 if (!tb)
13611 return -ENOMEM;
13612
13613 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
13614 err = -EOPNOTSUPP;
13615 goto out;
13616 }
13617
8cb08174
JB		 13618 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
13619 nl80211_policy, NULL);
8cd4d456
LC		 13620 if (err)
13621 goto out;
13622
aad1e812
AVS		 13623 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
13624 wowlan->max_nd_match_sets);
8cd4d456
LC		 13625 err = PTR_ERR_OR_ZERO(trig->nd_config);
13626 if (err)
13627 trig->nd_config = NULL;
13628
13629out:
13630 kfree(tb);
13631 return err;
13632}
13633
ff1b6e69
JB		 13634static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
13635{
13636 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13637 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
ff1b6e69 13638 struct cfg80211_wowlan new_triggers = {};
ae33bd81 13639 struct cfg80211_wowlan *ntrig;
964dc9e2 13640 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
ff1b6e69 13641 int err, i;
6abb9cb9 13642 bool prev_enabled = rdev->wiphy.wowlan_config;
98fc4386 13643 bool regular = false;
ff1b6e69 13644
964dc9e2 13645 if (!wowlan)
ff1b6e69
JB		 13646 return -EOPNOTSUPP;
13647
ae33bd81
JB		 13648 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
13649 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 13650 rdev->wiphy.wowlan_config = NULL;
ae33bd81
JB		 13651 goto set_wakeup;
13652 }
ff1b6e69 13653
8cb08174
JB		 13654 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
13655 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
13656 nl80211_wowlan_policy, info->extack);
ff1b6e69
JB		 13657 if (err)
13658 return err;
13659
13660 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
13661 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
13662 return -EINVAL;
13663 new_triggers.any = true;
13664 }
13665
13666 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
13667 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
13668 return -EINVAL;
13669 new_triggers.disconnect = true;
98fc4386 13670 regular = true;
ff1b6e69
JB		 13671 }
13672
13673 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
13674 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
13675 return -EINVAL;
13676 new_triggers.magic_pkt = true;
98fc4386 13677 regular = true;
ff1b6e69
JB		 13678 }
13679
77dbbb13
JB		 13680 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
13681 return -EINVAL;
13682
13683 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
13684 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
13685 return -EINVAL;
13686 new_triggers.gtk_rekey_failure = true;
98fc4386 13687 regular = true;
77dbbb13
JB		 13688 }
13689
13690 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
13691 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
13692 return -EINVAL;
13693 new_triggers.eap_identity_req = true;
98fc4386 13694 regular = true;
77dbbb13
JB		 13695 }
13696
13697 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
13698 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
13699 return -EINVAL;
13700 new_triggers.four_way_handshake = true;
98fc4386 13701 regular = true;
77dbbb13
JB		 13702 }
13703
13704 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
13705 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
13706 return -EINVAL;
13707 new_triggers.rfkill_release = true;
98fc4386 13708 regular = true;
77dbbb13
JB		 13709 }
13710
ff1b6e69
JB		 13711 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
13712 struct nlattr *pat;
13713 int n_patterns = 0;
bb92d199 13714 int rem, pat_len, mask_len, pkt_offset;
50ac6607 13715 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
ff1b6e69 13716
98fc4386
JB		 13717 regular = true;
13718
ff1b6e69
JB		 13719 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13720 rem)
13721 n_patterns++;
13722 if (n_patterns > wowlan->n_patterns)
13723 return -EINVAL;
13724
13725 new_triggers.patterns = kcalloc(n_patterns,
13726 sizeof(new_triggers.patterns[0]),
13727 GFP_KERNEL);
13728 if (!new_triggers.patterns)
13729 return -ENOMEM;
13730
13731 new_triggers.n_patterns = n_patterns;
13732 i = 0;
13733
13734 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13735 rem) {
922bd80f
JB		 13736 u8 *mask_pat;
13737
8cb08174
JB		 13738 err = nla_parse_nested_deprecated(pat_tb,
13739 MAX_NL80211_PKTPAT,
13740 pat,
13741 nl80211_packet_pattern_policy,
13742 info->extack);
95bca62f
JB		 13743 if (err)
13744 goto error;
13745
ff1b6e69 13746 err = -EINVAL;
50ac6607
AK		 13747 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13748 !pat_tb[NL80211_PKTPAT_PATTERN])
ff1b6e69 13749 goto error;
50ac6607 13750 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
ff1b6e69 13751 mask_len = DIV_ROUND_UP(pat_len, 8);
50ac6607 13752 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
ff1b6e69
JB		 13753 goto error;
13754 if (pat_len > wowlan->pattern_max_len ||
13755 pat_len < wowlan->pattern_min_len)
13756 goto error;
13757
50ac6607 13758 if (!pat_tb[NL80211_PKTPAT_OFFSET])
bb92d199
AK		 13759 pkt_offset = 0;
13760 else
13761 pkt_offset = nla_get_u32(
50ac6607 13762 pat_tb[NL80211_PKTPAT_OFFSET]);
bb92d199
AK		 13763 if (pkt_offset > wowlan->max_pkt_offset)
13764 goto error;
13765 new_triggers.patterns[i].pkt_offset = pkt_offset;
13766
922bd80f
JB		 13767 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13768 if (!mask_pat) {
ff1b6e69
JB		 13769 err = -ENOMEM;
13770 goto error;
13771 }
922bd80f
JB		 13772 new_triggers.patterns[i].mask = mask_pat;
13773 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
ff1b6e69 13774 mask_len);
922bd80f
JB		 13775 mask_pat += mask_len;
13776 new_triggers.patterns[i].pattern = mask_pat;
ff1b6e69 13777 new_triggers.patterns[i].pattern_len = pat_len;
922bd80f 13778 memcpy(mask_pat,
50ac6607 13779 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
ff1b6e69
JB		 13780 pat_len);
13781 i++;
13782 }
13783 }
13784
2a0e047e 13785 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
98fc4386 13786 regular = true;
2a0e047e
JB		 13787 err = nl80211_parse_wowlan_tcp(
13788 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
13789 &new_triggers);
13790 if (err)
13791 goto error;
13792 }
13793
8cd4d456 13794 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
98fc4386 13795 regular = true;
8cd4d456
LC		 13796 err = nl80211_parse_wowlan_nd(
13797 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
13798 &new_triggers);
13799 if (err)
13800 goto error;
13801 }
13802
98fc4386
JB		 13803 /* The 'any' trigger means the device continues operating more or less
13804 * as in its normal operation mode and wakes up the host on most of the
13805 * normal interrupts (like packet RX, ...)
13806 * It therefore makes little sense to combine with the more constrained
13807 * wakeup trigger modes.
13808 */
13809 if (new_triggers.any && regular) {
13810 err = -EINVAL;
13811 goto error;
13812 }
13813
ae33bd81
JB		 13814 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
13815 if (!ntrig) {
13816 err = -ENOMEM;
13817 goto error;
ff1b6e69 13818 }
ae33bd81 13819 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 13820 rdev->wiphy.wowlan_config = ntrig;
ff1b6e69 13821
ae33bd81 13822 set_wakeup:
6abb9cb9
JB		 13823 if (rdev->ops->set_wakeup &&
13824 prev_enabled != !!rdev->wiphy.wowlan_config)
13825 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
6d52563f 13826
ff1b6e69
JB		 13827 return 0;
13828 error:
13829 for (i = 0; i < new_triggers.n_patterns; i++)
13830 kfree(new_triggers.patterns[i].mask);
13831 kfree(new_triggers.patterns);
2a0e047e
JB		 13832 if (new_triggers.tcp && new_triggers.tcp->sock)
13833 sock_release(new_triggers.tcp->sock);
13834 kfree(new_triggers.tcp);
e5dbe070 13835 kfree(new_triggers.nd_config);
ff1b6e69
JB		 13836 return err;
13837}
dfb89c56 13838#endif
ff1b6e69 13839
be29b99a
AK		 13840static int nl80211_send_coalesce_rules(struct sk_buff *msg,
13841 struct cfg80211_registered_device *rdev)
13842{
13843 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
13844 int i, j, pat_len;
13845 struct cfg80211_coalesce_rules *rule;
13846
13847 if (!rdev->coalesce->n_rules)
13848 return 0;
13849
ae0be8de 13850 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
be29b99a
AK		 13851 if (!nl_rules)
13852 return -ENOBUFS;
13853
13854 for (i = 0; i < rdev->coalesce->n_rules; i++) {
ae0be8de 13855 nl_rule = nla_nest_start_noflag(msg, i + 1);
be29b99a
AK		 13856 if (!nl_rule)
13857 return -ENOBUFS;
13858
13859 rule = &rdev->coalesce->rules[i];
13860 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
13861 rule->delay))
13862 return -ENOBUFS;
13863
13864 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
13865 rule->condition))
13866 return -ENOBUFS;
13867
ae0be8de
MK		 13868 nl_pats = nla_nest_start_noflag(msg,
13869 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
be29b99a
AK		 13870 if (!nl_pats)
13871 return -ENOBUFS;
13872
13873 for (j = 0; j < rule->n_patterns; j++) {
ae0be8de 13874 nl_pat = nla_nest_start_noflag(msg, j + 1);
be29b99a
AK		 13875 if (!nl_pat)
13876 return -ENOBUFS;
13877 pat_len = rule->patterns[j].pattern_len;
13878 if (nla_put(msg, NL80211_PKTPAT_MASK,
13879 DIV_ROUND_UP(pat_len, 8),
13880 rule->patterns[j].mask) ||
13881 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13882 rule->patterns[j].pattern) ||
13883 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13884 rule->patterns[j].pkt_offset))
13885 return -ENOBUFS;
13886 nla_nest_end(msg, nl_pat);
13887 }
13888 nla_nest_end(msg, nl_pats);
13889 nla_nest_end(msg, nl_rule);
13890 }
13891 nla_nest_end(msg, nl_rules);
13892
13893 return 0;
13894}
13895
13896static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
13897{
13898 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13899 struct sk_buff *msg;
13900 void *hdr;
13901
13902 if (!rdev->wiphy.coalesce)
13903 return -EOPNOTSUPP;
13904
13905 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13906 if (!msg)
13907 return -ENOMEM;
13908
13909 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13910 NL80211_CMD_GET_COALESCE);
13911 if (!hdr)
13912 goto nla_put_failure;
13913
13914 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
13915 goto nla_put_failure;
13916
13917 genlmsg_end(msg, hdr);
13918 return genlmsg_reply(msg, info);
13919
13920nla_put_failure:
13921 nlmsg_free(msg);
13922 return -ENOBUFS;
13923}
13924
13925void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
13926{
13927 struct cfg80211_coalesce *coalesce = rdev->coalesce;
13928 int i, j;
13929 struct cfg80211_coalesce_rules *rule;
13930
13931 if (!coalesce)
13932 return;
13933
13934 for (i = 0; i < coalesce->n_rules; i++) {
13935 rule = &coalesce->rules[i];
13936 for (j = 0; j < rule->n_patterns; j++)
13937 kfree(rule->patterns[j].mask);
13938 kfree(rule->patterns);
13939 }
13940 kfree(coalesce->rules);
13941 kfree(coalesce);
13942 rdev->coalesce = NULL;
13943}
13944
13945static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
13946 struct nlattr *rule,
13947 struct cfg80211_coalesce_rules *new_rule)
13948{
13949 int err, i;
13950 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13951 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
13952 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
13953 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13954
8cb08174
JB		 13955 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
13956 rule, nl80211_coalesce_policy, NULL);
be29b99a
AK		 13957 if (err)
13958 return err;
13959
13960 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
13961 new_rule->delay =
13962 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
13963 if (new_rule->delay > coalesce->max_delay)
13964 return -EINVAL;
13965
13966 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
13967 new_rule->condition =
13968 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
be29b99a
AK		 13969
13970 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
13971 return -EINVAL;
13972
13973 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13974 rem)
13975 n_patterns++;
13976 if (n_patterns > coalesce->n_patterns)
13977 return -EINVAL;
13978
13979 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
13980 GFP_KERNEL);
13981 if (!new_rule->patterns)
13982 return -ENOMEM;
13983
13984 new_rule->n_patterns = n_patterns;
13985 i = 0;
13986
13987 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13988 rem) {
922bd80f
JB		 13989 u8 *mask_pat;
13990
8cb08174
JB		 13991 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
13992 pat,
13993 nl80211_packet_pattern_policy,
13994 NULL);
95bca62f
JB		 13995 if (err)
13996 return err;
13997
be29b99a
AK		 13998 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13999 !pat_tb[NL80211_PKTPAT_PATTERN])
14000 return -EINVAL;
14001 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
14002 mask_len = DIV_ROUND_UP(pat_len, 8);
14003 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
14004 return -EINVAL;
14005 if (pat_len > coalesce->pattern_max_len ||
14006 pat_len < coalesce->pattern_min_len)
14007 return -EINVAL;
14008
14009 if (!pat_tb[NL80211_PKTPAT_OFFSET])
14010 pkt_offset = 0;
14011 else
14012 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
14013 if (pkt_offset > coalesce->max_pkt_offset)
14014 return -EINVAL;
14015 new_rule->patterns[i].pkt_offset = pkt_offset;
14016
922bd80f
JB		 14017 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
14018 if (!mask_pat)
be29b99a 14019 return -ENOMEM;
922bd80f
JB		 14020
14021 new_rule->patterns[i].mask = mask_pat;
14022 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
14023 mask_len);
14024
14025 mask_pat += mask_len;
14026 new_rule->patterns[i].pattern = mask_pat;
be29b99a 14027 new_rule->patterns[i].pattern_len = pat_len;
922bd80f
JB		 14028 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
14029 pat_len);
be29b99a
AK		 14030 i++;
14031 }
14032
14033 return 0;
14034}
14035
14036static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
14037{
14038 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14039 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
14040 struct cfg80211_coalesce new_coalesce = {};
14041 struct cfg80211_coalesce *n_coalesce;
14042 int err, rem_rule, n_rules = 0, i, j;
14043 struct nlattr *rule;
14044 struct cfg80211_coalesce_rules *tmp_rule;
14045
14046 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
14047 return -EOPNOTSUPP;
14048
14049 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
14050 cfg80211_rdev_free_coalesce(rdev);
a1056b1b 14051 rdev_set_coalesce(rdev, NULL);
be29b99a
AK		 14052 return 0;
14053 }
14054
14055 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
14056 rem_rule)
14057 n_rules++;
14058 if (n_rules > coalesce->n_rules)
14059 return -EINVAL;
14060
14061 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
14062 GFP_KERNEL);
14063 if (!new_coalesce.rules)
14064 return -ENOMEM;
14065
14066 new_coalesce.n_rules = n_rules;
14067 i = 0;
14068
14069 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
14070 rem_rule) {
14071 err = nl80211_parse_coalesce_rule(rdev, rule,
14072 &new_coalesce.rules[i]);
14073 if (err)
14074 goto error;
14075
14076 i++;
14077 }
14078
a1056b1b 14079 err = rdev_set_coalesce(rdev, &new_coalesce);
be29b99a
AK		 14080 if (err)
14081 goto error;
14082
14083 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
14084 if (!n_coalesce) {
14085 err = -ENOMEM;
14086 goto error;
14087 }
14088 cfg80211_rdev_free_coalesce(rdev);
14089 rdev->coalesce = n_coalesce;
14090
14091 return 0;
14092error:
14093 for (i = 0; i < new_coalesce.n_rules; i++) {
14094 tmp_rule = &new_coalesce.rules[i];
14095 for (j = 0; j < tmp_rule->n_patterns; j++)
14096 kfree(tmp_rule->patterns[j].mask);
14097 kfree(tmp_rule->patterns);
14098 }
14099 kfree(new_coalesce.rules);
14100
14101 return err;
14102}
14103
e5497d76
JB		 14104static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
14105{
14106 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14107 struct net_device *dev = info->user_ptr[1];
14108 struct wireless_dev *wdev = dev->ieee80211_ptr;
14109 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
f495acd8 14110 struct cfg80211_gtk_rekey_data rekey_data = {};
e5497d76
JB		 14111 int err;
14112
14113 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
14114 return -EINVAL;
14115
8cb08174
JB		 14116 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
14117 info->attrs[NL80211_ATTR_REKEY_DATA],
14118 nl80211_rekey_policy, info->extack);
e5497d76
JB		 14119 if (err)
14120 return err;
14121
e785fa0a
VD		 14122 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
14123 !tb[NL80211_REKEY_DATA_KCK])
14124 return -EINVAL;
093a48d2
NE		 14125 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
14126 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
14127 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
e5497d76 14128 return -ERANGE;
093a48d2
NE		 14129 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
14130 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
648fba79
SB		 14131 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN) &&
14132 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KCK_32 &&
14133 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN_32))
e5497d76
JB		 14134 return -ERANGE;
14135
78f686ca
JB		 14136 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
14137 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
14138 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
093a48d2
NE		 14139 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
14140 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
14141 if (tb[NL80211_REKEY_DATA_AKM])
14142 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
e5497d76 14143
076fc877
JB		 14144 if (!wdev->connected)
14145 return -ENOTCONN;
e5497d76 14146
076fc877
JB		 14147 if (!rdev->ops->set_rekey_data)
14148 return -EOPNOTSUPP;
e5497d76 14149
076fc877 14150 return rdev_set_rekey_data(rdev, dev, &rekey_data);
e5497d76
JB		 14151}
14152
28946da7
JB		 14153static int nl80211_register_unexpected_frame(struct sk_buff *skb,
14154 struct genl_info *info)
14155{
14156 struct net_device *dev = info->user_ptr[1];
14157 struct wireless_dev *wdev = dev->ieee80211_ptr;
14158
14159 if (wdev->iftype != NL80211_IFTYPE_AP &&
14160 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14161 return -EINVAL;
14162
15e47304 14163 if (wdev->ap_unexpected_nlportid)
28946da7
JB		 14164 return -EBUSY;
14165
15e47304 14166 wdev->ap_unexpected_nlportid = info->snd_portid;
28946da7
JB		 14167 return 0;
14168}
14169
7f6cf311
JB		 14170static int nl80211_probe_client(struct sk_buff *skb,
14171 struct genl_info *info)
14172{
14173 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14174 struct net_device *dev = info->user_ptr[1];
14175 struct wireless_dev *wdev = dev->ieee80211_ptr;
14176 struct sk_buff *msg;
14177 void *hdr;
14178 const u8 *addr;
14179 u64 cookie;
14180 int err;
14181
14182 if (wdev->iftype != NL80211_IFTYPE_AP &&
14183 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14184 return -EOPNOTSUPP;
14185
14186 if (!info->attrs[NL80211_ATTR_MAC])
14187 return -EINVAL;
14188
14189 if (!rdev->ops->probe_client)
14190 return -EOPNOTSUPP;
14191
14192 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14193 if (!msg)
14194 return -ENOMEM;
14195
15e47304 14196 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7f6cf311 14197 NL80211_CMD_PROBE_CLIENT);
cb35fba3
DC		 14198 if (!hdr) {
14199 err = -ENOBUFS;
7f6cf311
JB		 14200 goto free_msg;
14201 }
14202
14203 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14204
e35e4d28 14205 err = rdev_probe_client(rdev, dev, addr, &cookie);
7f6cf311
JB		 14206 if (err)
14207 goto free_msg;
14208
2dad624e
ND		 14209 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14210 NL80211_ATTR_PAD))
9360ffd1 14211 goto nla_put_failure;
7f6cf311
JB		 14212
14213 genlmsg_end(msg, hdr);
14214
14215 return genlmsg_reply(msg, info);
14216
14217 nla_put_failure:
14218 err = -ENOBUFS;
14219 free_msg:
14220 nlmsg_free(msg);
14221 return err;
14222}
14223
5e760230
JB		 14224static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
14225{
14226 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c73b5f
BG		 14227 struct cfg80211_beacon_registration *reg, *nreg;
14228 int rv;
5e760230
JB		 14229
14230 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
14231 return -EOPNOTSUPP;
14232
37c73b5f
BG		 14233 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
14234 if (!nreg)
14235 return -ENOMEM;
14236
14237 /* First, check if already registered. */
14238 spin_lock_bh(&rdev->beacon_registrations_lock);
14239 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
14240 if (reg->nlportid == info->snd_portid) {
14241 rv = -EALREADY;
14242 goto out_err;
14243 }
14244 }
14245 /* Add it to the list */
14246 nreg->nlportid = info->snd_portid;
14247 list_add(&nreg->list, &rdev->beacon_registrations);
5e760230 14248
37c73b5f 14249 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 14250
14251 return 0;
37c73b5f
BG		 14252out_err:
14253 spin_unlock_bh(&rdev->beacon_registrations_lock);
14254 kfree(nreg);
14255 return rv;
5e760230
JB		 14256}
14257
98104fde
JB		 14258static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
14259{
14260 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14261 struct wireless_dev *wdev = info->user_ptr[1];
14262 int err;
14263
14264 if (!rdev->ops->start_p2p_device)
14265 return -EOPNOTSUPP;
14266
14267 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14268 return -EOPNOTSUPP;
14269
73c7da3d 14270 if (wdev_running(wdev))
98104fde
JB		 14271 return 0;
14272
358ae888 14273 if (rfkill_blocked(rdev->wiphy.rfkill))
b6a55015 14274 return -ERFKILL;
98104fde 14275
eeb126e9 14276 err = rdev_start_p2p_device(rdev, wdev);
98104fde
JB		 14277 if (err)
14278 return err;
14279
73c7da3d 14280 wdev->is_running = true;
98104fde 14281 rdev->opencount++;
98104fde
JB		 14282
14283 return 0;
14284}
14285
14286static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
14287{
14288 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14289 struct wireless_dev *wdev = info->user_ptr[1];
14290
14291 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14292 return -EOPNOTSUPP;
14293
14294 if (!rdev->ops->stop_p2p_device)
14295 return -EOPNOTSUPP;
14296
f9f47529 14297 cfg80211_stop_p2p_device(rdev, wdev);
98104fde
JB		 14298
14299 return 0;
14300}
14301
cb3b7d87
AB		 14302static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
14303{
14304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14305 struct wireless_dev *wdev = info->user_ptr[1];
14306 struct cfg80211_nan_conf conf = {};
14307 int err;
14308
14309 if (wdev->iftype != NL80211_IFTYPE_NAN)
14310 return -EOPNOTSUPP;
14311
eeb04a96 14312 if (wdev_running(wdev))
cb3b7d87
AB		 14313 return -EEXIST;
14314
358ae888 14315 if (rfkill_blocked(rdev->wiphy.rfkill))
cb3b7d87
AB		 14316 return -ERFKILL;
14317
14318 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
14319 return -EINVAL;
14320
cb3b7d87
AB		 14321 conf.master_pref =
14322 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
cb3b7d87 14323
8585989d
LC		 14324 if (info->attrs[NL80211_ATTR_BANDS]) {
14325 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14326
14327 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14328 return -EOPNOTSUPP;
14329
14330 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14331 return -EINVAL;
14332
14333 conf.bands = bands;
14334 }
cb3b7d87
AB		 14335
14336 err = rdev_start_nan(rdev, wdev, &conf);
14337 if (err)
14338 return err;
14339
73c7da3d 14340 wdev->is_running = true;
cb3b7d87
AB		 14341 rdev->opencount++;
14342
14343 return 0;
14344}
14345
14346static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
14347{
14348 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14349 struct wireless_dev *wdev = info->user_ptr[1];
14350
14351 if (wdev->iftype != NL80211_IFTYPE_NAN)
14352 return -EOPNOTSUPP;
14353
14354 cfg80211_stop_nan(rdev, wdev);
14355
14356 return 0;
14357}
14358
a442b761
AB		 14359static int validate_nan_filter(struct nlattr *filter_attr)
14360{
14361 struct nlattr *attr;
14362 int len = 0, n_entries = 0, rem;
14363
14364 nla_for_each_nested(attr, filter_attr, rem) {
14365 len += nla_len(attr);
14366 n_entries++;
14367 }
14368
14369 if (len >= U8_MAX)
14370 return -EINVAL;
14371
14372 return n_entries;
14373}
14374
14375static int handle_nan_filter(struct nlattr *attr_filter,
14376 struct cfg80211_nan_func *func,
14377 bool tx)
14378{
14379 struct nlattr *attr;
14380 int n_entries, rem, i;
14381 struct cfg80211_nan_func_filter *filter;
14382
14383 n_entries = validate_nan_filter(attr_filter);
14384 if (n_entries < 0)
14385 return n_entries;
14386
14387 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
14388
14389 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
14390 if (!filter)
14391 return -ENOMEM;
14392
14393 i = 0;
14394 nla_for_each_nested(attr, attr_filter, rem) {
b15ca182 14395 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
6ad27f52
JJ		 14396 if (!filter[i].filter)
14397 goto err;
14398
a442b761
AB		 14399 filter[i].len = nla_len(attr);
14400 i++;
14401 }
14402 if (tx) {
14403 func->num_tx_filters = n_entries;
14404 func->tx_filters = filter;
14405 } else {
14406 func->num_rx_filters = n_entries;
14407 func->rx_filters = filter;
14408 }
14409
14410 return 0;
6ad27f52
JJ		 14411
14412err:
14413 i = 0;
14414 nla_for_each_nested(attr, attr_filter, rem) {
14415 kfree(filter[i].filter);
14416 i++;
14417 }
14418 kfree(filter);
14419 return -ENOMEM;
a442b761
AB		 14420}
14421
14422static int nl80211_nan_add_func(struct sk_buff *skb,
14423 struct genl_info *info)
14424{
14425 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14426 struct wireless_dev *wdev = info->user_ptr[1];
14427 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
14428 struct cfg80211_nan_func *func;
14429 struct sk_buff *msg = NULL;
14430 void *hdr = NULL;
14431 int err = 0;
14432
14433 if (wdev->iftype != NL80211_IFTYPE_NAN)
14434 return -EOPNOTSUPP;
14435
73c7da3d 14436 if (!wdev_running(wdev))
a442b761
AB		 14437 return -ENOTCONN;
14438
14439 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
14440 return -EINVAL;
14441
8cb08174
JB		 14442 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
14443 info->attrs[NL80211_ATTR_NAN_FUNC],
14444 nl80211_nan_func_policy,
14445 info->extack);
a442b761
AB		 14446 if (err)
14447 return err;
14448
14449 func = kzalloc(sizeof(*func), GFP_KERNEL);
14450 if (!func)
14451 return -ENOMEM;
14452
b60ad348 14453 func->cookie = cfg80211_assign_cookie(rdev);
a442b761 14454
cb9abd48 14455 if (!tb[NL80211_NAN_FUNC_TYPE]) {
a442b761
AB		 14456 err = -EINVAL;
14457 goto out;
14458 }
14459
14460
14461 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
14462
14463 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
14464 err = -EINVAL;
14465 goto out;
14466 }
14467
14468 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
14469 sizeof(func->service_id));
14470
14471 func->close_range =
14472 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
14473
14474 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
14475 func->serv_spec_info_len =
14476 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
14477 func->serv_spec_info =
14478 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
14479 func->serv_spec_info_len,
14480 GFP_KERNEL);
14481 if (!func->serv_spec_info) {
14482 err = -ENOMEM;
14483 goto out;
14484 }
14485 }
14486
14487 if (tb[NL80211_NAN_FUNC_TTL])
14488 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
14489
14490 switch (func->type) {
14491 case NL80211_NAN_FUNC_PUBLISH:
14492 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
14493 err = -EINVAL;
14494 goto out;
14495 }
14496
14497 func->publish_type =
14498 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
14499 func->publish_bcast =
14500 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
14501
14502 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
14503 func->publish_bcast) {
14504 err = -EINVAL;
14505 goto out;
14506 }
14507 break;
14508 case NL80211_NAN_FUNC_SUBSCRIBE:
14509 func->subscribe_active =
14510 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
14511 break;
14512 case NL80211_NAN_FUNC_FOLLOW_UP:
14513 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
3ea15452
HC		 14514 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
14515 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
a442b761
AB		 14516 err = -EINVAL;
14517 goto out;
14518 }
14519
14520 func->followup_id =
14521 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
14522 func->followup_reqid =
14523 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
14524 memcpy(func->followup_dest.addr,
14525 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
14526 sizeof(func->followup_dest.addr));
14527 if (func->ttl) {
14528 err = -EINVAL;
14529 goto out;
14530 }
14531 break;
14532 default:
14533 err = -EINVAL;
14534 goto out;
14535 }
14536
14537 if (tb[NL80211_NAN_FUNC_SRF]) {
14538 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
14539
8cb08174
JB		 14540 err = nla_parse_nested_deprecated(srf_tb,
14541 NL80211_NAN_SRF_ATTR_MAX,
14542 tb[NL80211_NAN_FUNC_SRF],
14543 nl80211_nan_srf_policy,
14544 info->extack);
a442b761
AB		 14545 if (err)
14546 goto out;
14547
14548 func->srf_include =
14549 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
14550
14551 if (srf_tb[NL80211_NAN_SRF_BF]) {
14552 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
14553 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
14554 err = -EINVAL;
14555 goto out;
14556 }
14557
14558 func->srf_bf_len =
14559 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
14560 func->srf_bf =
14561 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
14562 func->srf_bf_len, GFP_KERNEL);
14563 if (!func->srf_bf) {
14564 err = -ENOMEM;
14565 goto out;
14566 }
14567
14568 func->srf_bf_idx =
14569 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
14570 } else {
14571 struct nlattr *attr, *mac_attr =
14572 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
14573 int n_entries, rem, i = 0;
14574
14575 if (!mac_attr) {
14576 err = -EINVAL;
14577 goto out;
14578 }
14579
14580 n_entries = validate_acl_mac_addrs(mac_attr);
14581 if (n_entries <= 0) {
14582 err = -EINVAL;
14583 goto out;
14584 }
14585
14586 func->srf_num_macs = n_entries;
14587 func->srf_macs =
6396bb22 14588 kcalloc(n_entries, sizeof(*func->srf_macs),
a442b761
AB		 14589 GFP_KERNEL);
14590 if (!func->srf_macs) {
14591 err = -ENOMEM;
14592 goto out;
14593 }
14594
14595 nla_for_each_nested(attr, mac_attr, rem)
14596 memcpy(func->srf_macs[i++].addr, nla_data(attr),
14597 sizeof(*func->srf_macs));
14598 }
14599 }
14600
14601 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
14602 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
14603 func, true);
14604 if (err)
14605 goto out;
14606 }
14607
14608 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
14609 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
14610 func, false);
14611 if (err)
14612 goto out;
14613 }
14614
14615 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14616 if (!msg) {
14617 err = -ENOMEM;
14618 goto out;
14619 }
14620
14621 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14622 NL80211_CMD_ADD_NAN_FUNCTION);
14623 /* This can't really happen - we just allocated 4KB */
14624 if (WARN_ON(!hdr)) {
14625 err = -ENOMEM;
14626 goto out;
14627 }
14628
14629 err = rdev_add_nan_func(rdev, wdev, func);
14630out:
14631 if (err < 0) {
14632 cfg80211_free_nan_func(func);
14633 nlmsg_free(msg);
14634 return err;
14635 }
14636
14637 /* propagate the instance id and cookie to userspace */
14638 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
14639 NL80211_ATTR_PAD))
14640 goto nla_put_failure;
14641
ae0be8de 14642 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
a442b761
AB		 14643 if (!func_attr)
14644 goto nla_put_failure;
14645
14646 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
14647 func->instance_id))
14648 goto nla_put_failure;
14649
14650 nla_nest_end(msg, func_attr);
14651
14652 genlmsg_end(msg, hdr);
14653 return genlmsg_reply(msg, info);
14654
14655nla_put_failure:
14656 nlmsg_free(msg);
14657 return -ENOBUFS;
14658}
14659
14660static int nl80211_nan_del_func(struct sk_buff *skb,
14661 struct genl_info *info)
14662{
14663 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14664 struct wireless_dev *wdev = info->user_ptr[1];
14665 u64 cookie;
14666
14667 if (wdev->iftype != NL80211_IFTYPE_NAN)
14668 return -EOPNOTSUPP;
14669
73c7da3d 14670 if (!wdev_running(wdev))
a442b761
AB		 14671 return -ENOTCONN;
14672
14673 if (!info->attrs[NL80211_ATTR_COOKIE])
14674 return -EINVAL;
14675
a442b761
AB		 14676 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
14677
14678 rdev_del_nan_func(rdev, wdev, cookie);
14679
14680 return 0;
14681}
14682
a5a9dcf2
AB		 14683static int nl80211_nan_change_config(struct sk_buff *skb,
14684 struct genl_info *info)
14685{
14686 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14687 struct wireless_dev *wdev = info->user_ptr[1];
14688 struct cfg80211_nan_conf conf = {};
14689 u32 changed = 0;
14690
14691 if (wdev->iftype != NL80211_IFTYPE_NAN)
14692 return -EOPNOTSUPP;
14693
73c7da3d 14694 if (!wdev_running(wdev))
a5a9dcf2
AB		 14695 return -ENOTCONN;
14696
14697 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
14698 conf.master_pref =
14699 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14700 if (conf.master_pref <= 1 || conf.master_pref == 255)
14701 return -EINVAL;
14702
14703 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
14704 }
14705
8585989d
LC		 14706 if (info->attrs[NL80211_ATTR_BANDS]) {
14707 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14708
14709 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14710 return -EOPNOTSUPP;
14711
14712 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14713 return -EINVAL;
14714
14715 conf.bands = bands;
14716 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
a5a9dcf2
AB		 14717 }
14718
14719 if (!changed)
14720 return -EINVAL;
14721
14722 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
14723}
14724
50bcd31d
AB		 14725void cfg80211_nan_match(struct wireless_dev *wdev,
14726 struct cfg80211_nan_match_params *match, gfp_t gfp)
14727{
14728 struct wiphy *wiphy = wdev->wiphy;
14729 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14730 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
14731 struct sk_buff *msg;
14732 void *hdr;
14733
14734 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
14735 return;
14736
14737 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14738 if (!msg)
14739 return;
14740
14741 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
14742 if (!hdr) {
14743 nlmsg_free(msg);
14744 return;
14745 }
14746
14747 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14748 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14749 wdev->netdev->ifindex)) ||
14750 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14751 NL80211_ATTR_PAD))
14752 goto nla_put_failure;
14753
14754 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
14755 NL80211_ATTR_PAD) ||
14756 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
14757 goto nla_put_failure;
14758
ae0be8de 14759 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
50bcd31d
AB		 14760 if (!match_attr)
14761 goto nla_put_failure;
14762
ae0be8de
MK		 14763 local_func_attr = nla_nest_start_noflag(msg,
14764 NL80211_NAN_MATCH_FUNC_LOCAL);
50bcd31d
AB		 14765 if (!local_func_attr)
14766 goto nla_put_failure;
14767
14768 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
14769 goto nla_put_failure;
14770
14771 nla_nest_end(msg, local_func_attr);
14772
ae0be8de
MK		 14773 peer_func_attr = nla_nest_start_noflag(msg,
14774 NL80211_NAN_MATCH_FUNC_PEER);
50bcd31d
AB		 14775 if (!peer_func_attr)
14776 goto nla_put_failure;
14777
14778 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
14779 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
14780 goto nla_put_failure;
14781
14782 if (match->info && match->info_len &&
14783 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
14784 match->info))
14785 goto nla_put_failure;
14786
14787 nla_nest_end(msg, peer_func_attr);
14788 nla_nest_end(msg, match_attr);
14789 genlmsg_end(msg, hdr);
14790
14791 if (!wdev->owner_nlportid)
14792 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14793 msg, 0, NL80211_MCGRP_NAN, gfp);
14794 else
14795 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14796 wdev->owner_nlportid);
14797
14798 return;
14799
14800nla_put_failure:
14801 nlmsg_free(msg);
14802}
14803EXPORT_SYMBOL(cfg80211_nan_match);
14804
368e5a7b
AB		 14805void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
14806 u8 inst_id,
14807 enum nl80211_nan_func_term_reason reason,
14808 u64 cookie, gfp_t gfp)
14809{
14810 struct wiphy *wiphy = wdev->wiphy;
14811 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14812 struct sk_buff *msg;
14813 struct nlattr *func_attr;
14814 void *hdr;
14815
14816 if (WARN_ON(!inst_id))
14817 return;
14818
14819 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14820 if (!msg)
14821 return;
14822
14823 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
14824 if (!hdr) {
14825 nlmsg_free(msg);
14826 return;
14827 }
14828
14829 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14830 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14831 wdev->netdev->ifindex)) ||
14832 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14833 NL80211_ATTR_PAD))
14834 goto nla_put_failure;
14835
14836 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14837 NL80211_ATTR_PAD))
14838 goto nla_put_failure;
14839
ae0be8de 14840 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
368e5a7b
AB		 14841 if (!func_attr)
14842 goto nla_put_failure;
14843
14844 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
14845 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
14846 goto nla_put_failure;
14847
14848 nla_nest_end(msg, func_attr);
14849 genlmsg_end(msg, hdr);
14850
14851 if (!wdev->owner_nlportid)
14852 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14853 msg, 0, NL80211_MCGRP_NAN, gfp);
14854 else
14855 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14856 wdev->owner_nlportid);
14857
14858 return;
14859
14860nla_put_failure:
14861 nlmsg_free(msg);
14862}
14863EXPORT_SYMBOL(cfg80211_nan_func_terminated);
14864
3713b4e3
JB		 14865static int nl80211_get_protocol_features(struct sk_buff *skb,
14866 struct genl_info *info)
14867{
14868 void *hdr;
14869 struct sk_buff *msg;
14870
14871 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14872 if (!msg)
14873 return -ENOMEM;
14874
14875 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14876 NL80211_CMD_GET_PROTOCOL_FEATURES);
14877 if (!hdr)
14878 goto nla_put_failure;
14879
14880 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
14881 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
14882 goto nla_put_failure;
14883
14884 genlmsg_end(msg, hdr);
14885 return genlmsg_reply(msg, info);
14886
14887 nla_put_failure:
14888 kfree_skb(msg);
14889 return -ENOBUFS;
14890}
14891
355199e0
JM		 14892static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
14893{
14894 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14895 struct cfg80211_update_ft_ies_params ft_params;
14896 struct net_device *dev = info->user_ptr[1];
14897
14898 if (!rdev->ops->update_ft_ies)
14899 return -EOPNOTSUPP;
14900
14901 if (!info->attrs[NL80211_ATTR_MDID] ||
3d7af878 14902 !info->attrs[NL80211_ATTR_IE])
355199e0
JM		 14903 return -EINVAL;
14904
14905 memset(&ft_params, 0, sizeof(ft_params));
14906 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
14907 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14908 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14909
14910 return rdev_update_ft_ies(rdev, dev, &ft_params);
14911}
14912
5de17984
AS		 14913static int nl80211_crit_protocol_start(struct sk_buff *skb,
14914 struct genl_info *info)
14915{
14916 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14917 struct wireless_dev *wdev = info->user_ptr[1];
14918 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
14919 u16 duration;
14920 int ret;
14921
14922 if (!rdev->ops->crit_proto_start)
14923 return -EOPNOTSUPP;
14924
14925 if (WARN_ON(!rdev->ops->crit_proto_stop))
14926 return -EINVAL;
14927
14928 if (rdev->crit_proto_nlportid)
14929 return -EBUSY;
14930
14931 /* determine protocol if provided */
14932 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
14933 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
14934
14935 if (proto >= NUM_NL80211_CRIT_PROTO)
14936 return -EINVAL;
14937
14938 /* timeout must be provided */
14939 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
14940 return -EINVAL;
14941
14942 duration =
14943 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
14944
5de17984
AS		 14945 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
14946 if (!ret)
14947 rdev->crit_proto_nlportid = info->snd_portid;
14948
14949 return ret;
14950}
14951
14952static int nl80211_crit_protocol_stop(struct sk_buff *skb,
14953 struct genl_info *info)
14954{
14955 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14956 struct wireless_dev *wdev = info->user_ptr[1];
14957
14958 if (!rdev->ops->crit_proto_stop)
14959 return -EOPNOTSUPP;
14960
14961 if (rdev->crit_proto_nlportid) {
14962 rdev->crit_proto_nlportid = 0;
14963 rdev_crit_proto_stop(rdev, wdev);
14964 }
14965 return 0;
14966}
14967
901bb989
JB		 14968static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
14969 struct nlattr *attr,
14970 struct netlink_ext_ack *extack)
14971{
14972 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
14973 if (attr->nla_type & NLA_F_NESTED) {
14974 NL_SET_ERR_MSG_ATTR(extack, attr,
14975 "unexpected nested data");
14976 return -EINVAL;
14977 }
14978
14979 return 0;
14980 }
14981
14982 if (!(attr->nla_type & NLA_F_NESTED)) {
14983 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
14984 return -EINVAL;
14985 }
14986
32d5109a 14987 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
901bb989
JB		 14988}
14989
ad7e718c
JB		 14990static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
14991{
14992 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14993 struct wireless_dev *wdev =
a05829a7
JB		 14994 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
14995 info->attrs);
ad7e718c
JB		 14996 int i, err;
14997 u32 vid, subcmd;
14998
14999 if (!rdev->wiphy.vendor_commands)
15000 return -EOPNOTSUPP;
15001
15002 if (IS_ERR(wdev)) {
15003 err = PTR_ERR(wdev);
15004 if (err != -EINVAL)
15005 return err;
15006 wdev = NULL;
15007 } else if (wdev->wiphy != &rdev->wiphy) {
15008 return -EINVAL;
15009 }
15010
15011 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
15012 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
15013 return -EINVAL;
15014
15015 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
15016 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
15017 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
15018 const struct wiphy_vendor_command *vcmd;
15019 void *data = NULL;
15020 int len = 0;
15021
15022 vcmd = &rdev->wiphy.vendor_commands[i];
15023
15024 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
15025 continue;
15026
15027 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
15028 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
15029 if (!wdev)
15030 return -EINVAL;
15031 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
15032 !wdev->netdev)
15033 return -EINVAL;
15034
15035 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
73c7da3d 15036 if (!wdev_running(wdev))
ad7e718c
JB		 15037 return -ENETDOWN;
15038 }
15039 } else {
15040 wdev = NULL;
15041 }
15042
4052d3d2
JS		 15043 if (!vcmd->doit)
15044 return -EOPNOTSUPP;
15045
ad7e718c
JB		 15046 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
15047 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
15048 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 15049
15050 err = nl80211_vendor_check_policy(vcmd,
15051 info->attrs[NL80211_ATTR_VENDOR_DATA],
15052 info->extack);
15053 if (err)
15054 return err;
ad7e718c
JB		 15055 }
15056
15057 rdev->cur_cmd_info = info;
901bb989 15058 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
ad7e718c
JB		 15059 rdev->cur_cmd_info = NULL;
15060 return err;
15061 }
15062
15063 return -EOPNOTSUPP;
15064}
15065
7bdbe400
JB		 15066static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
15067 struct netlink_callback *cb,
15068 struct cfg80211_registered_device **rdev,
15069 struct wireless_dev **wdev)
15070{
50508d94 15071 struct nlattr **attrbuf;
7bdbe400
JB		 15072 u32 vid, subcmd;
15073 unsigned int i;
15074 int vcmd_idx = -1;
15075 int err;
15076 void *data = NULL;
15077 unsigned int data_len = 0;
15078
7bdbe400
JB		 15079 if (cb->args[0]) {
15080 /* subtract the 1 again here */
15081 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
15082 struct wireless_dev *tmp;
15083
ea90e0dc
JB		 15084 if (!wiphy)
15085 return -ENODEV;
7bdbe400
JB		 15086 *rdev = wiphy_to_rdev(wiphy);
15087 *wdev = NULL;
15088
15089 if (cb->args[1]) {
53873f13 15090 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
7bdbe400
JB		 15091 if (tmp->identifier == cb->args[1] - 1) {
15092 *wdev = tmp;
15093 break;
15094 }
15095 }
15096 }
15097
15098 /* keep rtnl locked in successful case */
15099 return 0;
15100 }
15101
50508d94
JB		 15102 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
15103 if (!attrbuf)
15104 return -ENOMEM;
15105
8cb08174
JB		 15106 err = nlmsg_parse_deprecated(cb->nlh,
15107 GENL_HDRLEN + nl80211_fam.hdrsize,
15108 attrbuf, nl80211_fam.maxattr,
15109 nl80211_policy, NULL);
7bdbe400 15110 if (err)
50508d94 15111 goto out;
7bdbe400 15112
c90c39da 15113 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
50508d94
JB		 15114 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
15115 err = -EINVAL;
15116 goto out;
15117 }
7bdbe400 15118
a05829a7 15119 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
7bdbe400
JB		 15120 if (IS_ERR(*wdev))
15121 *wdev = NULL;
15122
c90c39da 15123 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
50508d94
JB		 15124 if (IS_ERR(*rdev)) {
15125 err = PTR_ERR(*rdev);
15126 goto out;
15127 }
7bdbe400 15128
c90c39da
JB		 15129 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
15130 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
7bdbe400
JB		 15131
15132 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
15133 const struct wiphy_vendor_command *vcmd;
15134
15135 vcmd = &(*rdev)->wiphy.vendor_commands[i];
15136
15137 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
15138 continue;
15139
50508d94
JB		 15140 if (!vcmd->dumpit) {
15141 err = -EOPNOTSUPP;
15142 goto out;
15143 }
7bdbe400
JB		 15144
15145 vcmd_idx = i;
15146 break;
15147 }
15148
50508d94
JB		 15149 if (vcmd_idx < 0) {
15150 err = -EOPNOTSUPP;
15151 goto out;
15152 }
7bdbe400 15153
c90c39da
JB		 15154 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
15155 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
15156 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 15157
15158 err = nl80211_vendor_check_policy(
15159 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
15160 attrbuf[NL80211_ATTR_VENDOR_DATA],
15161 cb->extack);
15162 if (err)
50508d94 15163 goto out;
7bdbe400
JB		 15164 }
15165
15166 /* 0 is the first index - add 1 to parse only once */
15167 cb->args[0] = (*rdev)->wiphy_idx + 1;
15168 /* add 1 to know if it was NULL */
15169 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
15170 cb->args[2] = vcmd_idx;
15171 cb->args[3] = (unsigned long)data;
15172 cb->args[4] = data_len;
15173
15174 /* keep rtnl locked in successful case */
50508d94
JB		 15175 err = 0;
15176out:
15177 kfree(attrbuf);
15178 return err;
7bdbe400
JB		 15179}
15180
15181static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
15182 struct netlink_callback *cb)
15183{
15184 struct cfg80211_registered_device *rdev;
15185 struct wireless_dev *wdev;
15186 unsigned int vcmd_idx;
15187 const struct wiphy_vendor_command *vcmd;
15188 void *data;
15189 int data_len;
15190 int err;
15191 struct nlattr *vendor_data;
15192
ea90e0dc 15193 rtnl_lock();
7bdbe400
JB		 15194 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
15195 if (err)
ea90e0dc 15196 goto out;
7bdbe400
JB		 15197
15198 vcmd_idx = cb->args[2];
15199 data = (void *)cb->args[3];
15200 data_len = cb->args[4];
15201 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
15202
15203 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
15204 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
ea90e0dc
JB		 15205 if (!wdev) {
15206 err = -EINVAL;
15207 goto out;
15208 }
7bdbe400 15209 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
ea90e0dc
JB		 15210 !wdev->netdev) {
15211 err = -EINVAL;
15212 goto out;
15213 }
7bdbe400
JB		 15214
15215 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
ea90e0dc
JB		 15216 if (!wdev_running(wdev)) {
15217 err = -ENETDOWN;
15218 goto out;
15219 }
7bdbe400
JB		 15220 }
15221 }
15222
15223 while (1) {
15224 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
15225 cb->nlh->nlmsg_seq, NLM_F_MULTI,
15226 NL80211_CMD_VENDOR);
15227 if (!hdr)
15228 break;
15229
15230 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 15231 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
15232 wdev_id(wdev),
15233 NL80211_ATTR_PAD))) {
7bdbe400
JB		 15234 genlmsg_cancel(skb, hdr);
15235 break;
15236 }
15237
ae0be8de
MK		 15238 vendor_data = nla_nest_start_noflag(skb,
15239 NL80211_ATTR_VENDOR_DATA);
7bdbe400
JB		 15240 if (!vendor_data) {
15241 genlmsg_cancel(skb, hdr);
15242 break;
15243 }
15244
15245 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
15246 (unsigned long *)&cb->args[5]);
15247 nla_nest_end(skb, vendor_data);
15248
15249 if (err == -ENOBUFS || err == -ENOENT) {
15250 genlmsg_cancel(skb, hdr);
15251 break;
9c167b2d 15252 } else if (err <= 0) {
7bdbe400
JB		 15253 genlmsg_cancel(skb, hdr);
15254 goto out;
15255 }
15256
15257 genlmsg_end(skb, hdr);
15258 }
15259
15260 err = skb->len;
15261 out:
15262 rtnl_unlock();
15263 return err;
15264}
15265
ad7e718c
JB		 15266struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
15267 enum nl80211_commands cmd,
15268 enum nl80211_attrs attr,
15269 int approxlen)
15270{
f26cbf40 15271 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ad7e718c
JB		 15272
15273 if (WARN_ON(!rdev->cur_cmd_info))
15274 return NULL;
15275
6c09e791 15276 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
ad7e718c
JB		 15277 rdev->cur_cmd_info->snd_portid,
15278 rdev->cur_cmd_info->snd_seq,
567ffc35 15279 cmd, attr, NULL, GFP_KERNEL);
ad7e718c
JB		 15280}
15281EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
15282
15283int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
15284{
15285 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
15286 void *hdr = ((void **)skb->cb)[1];
15287 struct nlattr *data = ((void **)skb->cb)[2];
15288
bd8c78e7
JB		 15289 /* clear CB data for netlink core to own from now on */
15290 memset(skb->cb, 0, sizeof(skb->cb));
15291
ad7e718c
JB		 15292 if (WARN_ON(!rdev->cur_cmd_info)) {
15293 kfree_skb(skb);
15294 return -EINVAL;
15295 }
15296
15297 nla_nest_end(skb, data);
15298 genlmsg_end(skb, hdr);
15299 return genlmsg_reply(skb, rdev->cur_cmd_info);
15300}
15301EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
15302
55c1fdf0
JB		 15303unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
15304{
15305 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15306
15307 if (WARN_ON(!rdev->cur_cmd_info))
15308 return 0;
15309
15310 return rdev->cur_cmd_info->snd_portid;
15311}
15312EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
15313
fa9ffc74
KP		 15314static int nl80211_set_qos_map(struct sk_buff *skb,
15315 struct genl_info *info)
15316{
15317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15318 struct cfg80211_qos_map *qos_map = NULL;
15319 struct net_device *dev = info->user_ptr[1];
15320 u8 *pos, len, num_des, des_len, des;
15321 int ret;
15322
15323 if (!rdev->ops->set_qos_map)
15324 return -EOPNOTSUPP;
15325
15326 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
15327 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
15328 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
15329
c8b82802 15330 if (len % 2)
fa9ffc74
KP		 15331 return -EINVAL;
15332
15333 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
15334 if (!qos_map)
15335 return -ENOMEM;
15336
15337 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
15338 if (num_des) {
15339 des_len = num_des *
15340 sizeof(struct cfg80211_dscp_exception);
15341 memcpy(qos_map->dscp_exception, pos, des_len);
15342 qos_map->num_des = num_des;
15343 for (des = 0; des < num_des; des++) {
15344 if (qos_map->dscp_exception[des].up > 7) {
15345 kfree(qos_map);
15346 return -EINVAL;
15347 }
15348 }
15349 pos += des_len;
15350 }
15351 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
15352 }
15353
fa9ffc74
KP		 15354 ret = nl80211_key_allowed(dev->ieee80211_ptr);
15355 if (!ret)
15356 ret = rdev_set_qos_map(rdev, dev, qos_map);
fa9ffc74
KP		 15357
15358 kfree(qos_map);
15359 return ret;
15360}
15361
960d01ac
JB		 15362static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
15363{
15364 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15365 struct net_device *dev = info->user_ptr[1];
15366 struct wireless_dev *wdev = dev->ieee80211_ptr;
15367 const u8 *peer;
15368 u8 tsid, up;
15369 u16 admitted_time = 0;
960d01ac 15370
723e73ac 15371 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
960d01ac
JB		 15372 return -EOPNOTSUPP;
15373
15374 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
15375 !info->attrs[NL80211_ATTR_USER_PRIO])
15376 return -EINVAL;
15377
15378 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
960d01ac 15379 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
960d01ac
JB		 15380
15381 /* WMM uses TIDs 0-7 even for TSPEC */
723e73ac 15382 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
960d01ac 15383 /* TODO: handle 802.11 TSPEC/admission control
723e73ac
JB		 15384 * need more attributes for that (e.g. BA session requirement);
15385 * change the WMM adminssion test above to allow both then
960d01ac
JB		 15386 */
15387 return -EINVAL;
15388 }
15389
15390 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15391
15392 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
15393 admitted_time =
15394 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
15395 if (!admitted_time)
15396 return -EINVAL;
15397 }
15398
960d01ac
JB		 15399 switch (wdev->iftype) {
15400 case NL80211_IFTYPE_STATION:
15401 case NL80211_IFTYPE_P2P_CLIENT:
7b0a0e3c 15402 if (wdev->connected)
960d01ac 15403 break;
076fc877 15404 return -ENOTCONN;
960d01ac 15405 default:
076fc877 15406 return -EOPNOTSUPP;
960d01ac
JB		 15407 }
15408
076fc877 15409 return rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
960d01ac
JB		 15410}
15411
15412static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
15413{
15414 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15415 struct net_device *dev = info->user_ptr[1];
960d01ac
JB		 15416 const u8 *peer;
15417 u8 tsid;
960d01ac
JB		 15418
15419 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
15420 return -EINVAL;
15421
15422 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15423 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15424
076fc877 15425 return rdev_del_tx_ts(rdev, dev, tsid, peer);
960d01ac
JB		 15426}
15427
1057d35e
AN		 15428static int nl80211_tdls_channel_switch(struct sk_buff *skb,
15429 struct genl_info *info)
15430{
15431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15432 struct net_device *dev = info->user_ptr[1];
15433 struct wireless_dev *wdev = dev->ieee80211_ptr;
15434 struct cfg80211_chan_def chandef = {};
15435 const u8 *addr;
15436 u8 oper_class;
15437 int err;
15438
15439 if (!rdev->ops->tdls_channel_switch ||
15440 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15441 return -EOPNOTSUPP;
15442
15443 switch (dev->ieee80211_ptr->iftype) {
15444 case NL80211_IFTYPE_STATION:
15445 case NL80211_IFTYPE_P2P_CLIENT:
15446 break;
15447 default:
15448 return -EOPNOTSUPP;
15449 }
15450
15451 if (!info->attrs[NL80211_ATTR_MAC] ||
15452 !info->attrs[NL80211_ATTR_OPER_CLASS])
15453 return -EINVAL;
15454
15455 err = nl80211_parse_chandef(rdev, info, &chandef);
15456 if (err)
15457 return err;
15458
15459 /*
15460 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
15461 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
15462 * specification is not defined for them.
15463 */
57fbcce3 15464 if (chandef.chan->band == NL80211_BAND_2GHZ &&
1057d35e
AN		 15465 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
15466 chandef.width != NL80211_CHAN_WIDTH_20)
15467 return -EINVAL;
15468
15469 /* we will be active on the TDLS link */
923b352f
AN		 15470 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
15471 wdev->iftype))
1057d35e
AN		 15472 return -EINVAL;
15473
15474 /* don't allow switching to DFS channels */
15475 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
15476 return -EINVAL;
15477
15478 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15479 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
15480
076fc877 15481 return rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
1057d35e
AN		 15482}
15483
15484static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
15485 struct genl_info *info)
15486{
15487 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15488 struct net_device *dev = info->user_ptr[1];
1057d35e
AN		 15489 const u8 *addr;
15490
15491 if (!rdev->ops->tdls_channel_switch ||
15492 !rdev->ops->tdls_cancel_channel_switch ||
15493 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15494 return -EOPNOTSUPP;
15495
15496 switch (dev->ieee80211_ptr->iftype) {
15497 case NL80211_IFTYPE_STATION:
15498 case NL80211_IFTYPE_P2P_CLIENT:
15499 break;
15500 default:
15501 return -EOPNOTSUPP;
15502 }
15503
15504 if (!info->attrs[NL80211_ATTR_MAC])
15505 return -EINVAL;
15506
15507 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15508
1057d35e 15509 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
1057d35e
AN		 15510
15511 return 0;
15512}
15513
ce0ce13a
MB		 15514static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
15515 struct genl_info *info)
15516{
15517 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15518 struct net_device *dev = info->user_ptr[1];
15519 struct wireless_dev *wdev = dev->ieee80211_ptr;
15520 const struct nlattr *nla;
15521 bool enabled;
15522
ce0ce13a
MB		 15523 if (!rdev->ops->set_multicast_to_unicast)
15524 return -EOPNOTSUPP;
15525
15526 if (wdev->iftype != NL80211_IFTYPE_AP &&
15527 wdev->iftype != NL80211_IFTYPE_P2P_GO)
15528 return -EOPNOTSUPP;
15529
15530 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
15531 enabled = nla_get_flag(nla);
15532
15533 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
15534}
15535
3a00df57
AS		 15536static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
15537{
15538 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15539 struct net_device *dev = info->user_ptr[1];
15540 struct wireless_dev *wdev = dev->ieee80211_ptr;
15541 struct cfg80211_pmk_conf pmk_conf = {};
3a00df57
AS		 15542
15543 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15544 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15545 return -EOPNOTSUPP;
15546
15547 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15548 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15549 return -EOPNOTSUPP;
15550
15551 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
15552 return -EINVAL;
15553
076fc877
JB		 15554 if (!wdev->connected)
15555 return -ENOTCONN;
3a00df57
AS		 15556
15557 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
076fc877
JB		 15558 if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN))
15559 return -EINVAL;
3a00df57
AS		 15560
15561 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
15562 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
15563 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
076fc877
JB		 15564 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192)
15565 return -EINVAL;
3a00df57 15566
cb9abd48 15567 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
3a00df57
AS		 15568 pmk_conf.pmk_r0_name =
15569 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
3a00df57 15570
076fc877 15571 return rdev_set_pmk(rdev, dev, &pmk_conf);
3a00df57
AS		 15572}
15573
15574static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
15575{
15576 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15577 struct net_device *dev = info->user_ptr[1];
15578 struct wireless_dev *wdev = dev->ieee80211_ptr;
15579 const u8 *aa;
3a00df57
AS		 15580
15581 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15582 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15583 return -EOPNOTSUPP;
15584
15585 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15586 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15587 return -EOPNOTSUPP;
15588
15589 if (!info->attrs[NL80211_ATTR_MAC])
15590 return -EINVAL;
15591
3a00df57 15592 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
076fc877 15593 return rdev_del_pmk(rdev, dev, aa);
3a00df57
AS		 15594}
15595
40cbfa90
SD		 15596static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
15597{
15598 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15599 struct net_device *dev = info->user_ptr[1];
15600 struct cfg80211_external_auth_params params;
15601
db8d93a7 15602 if (!rdev->ops->external_auth)
40cbfa90
SD		 15603 return -EOPNOTSUPP;
15604
fe494370
SD		 15605 if (!info->attrs[NL80211_ATTR_SSID] &&
15606 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
15607 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
40cbfa90
SD		 15608 return -EINVAL;
15609
15610 if (!info->attrs[NL80211_ATTR_BSSID])
15611 return -EINVAL;
15612
15613 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
15614 return -EINVAL;
15615
15616 memset(&params, 0, sizeof(params));
15617
fe494370
SD		 15618 if (info->attrs[NL80211_ATTR_SSID]) {
15619 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
cb9abd48 15620 if (params.ssid.ssid_len == 0)
fe494370
SD		 15621 return -EINVAL;
15622 memcpy(params.ssid.ssid,
15623 nla_data(info->attrs[NL80211_ATTR_SSID]),
15624 params.ssid.ssid_len);
15625 }
40cbfa90
SD		 15626
15627 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
15628 ETH_ALEN);
15629
15630 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15631
fe494370
SD		 15632 if (info->attrs[NL80211_ATTR_PMKID])
15633 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
15634
40cbfa90
SD		 15635 return rdev_external_auth(rdev, dev, &params);
15636}
15637
2576a9ac
DK		 15638static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
15639{
dca9ca2d 15640 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
2576a9ac
DK		 15641 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15642 struct net_device *dev = info->user_ptr[1];
15643 struct wireless_dev *wdev = dev->ieee80211_ptr;
15644 const u8 *buf;
15645 size_t len;
15646 u8 *dest;
15647 u16 proto;
15648 bool noencrypt;
dca9ca2d 15649 u64 cookie = 0;
67207bab 15650 int link_id;
2576a9ac
DK		 15651 int err;
15652
15653 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15654 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
15655 return -EOPNOTSUPP;
15656
15657 if (!rdev->ops->tx_control_port)
15658 return -EOPNOTSUPP;
15659
15660 if (!info->attrs[NL80211_ATTR_FRAME] ||
15661 !info->attrs[NL80211_ATTR_MAC] ||
15662 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
15663 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
15664 return -EINVAL;
15665 }
15666
2576a9ac
DK		 15667 switch (wdev->iftype) {
15668 case NL80211_IFTYPE_AP:
15669 case NL80211_IFTYPE_P2P_GO:
15670 case NL80211_IFTYPE_MESH_POINT:
15671 break;
15672 case NL80211_IFTYPE_ADHOC:
7b0a0e3c
JB		 15673 if (wdev->u.ibss.current_bss)
15674 break;
076fc877 15675 return -ENOTCONN;
2576a9ac
DK		 15676 case NL80211_IFTYPE_STATION:
15677 case NL80211_IFTYPE_P2P_CLIENT:
7b0a0e3c 15678 if (wdev->connected)
2576a9ac 15679 break;
076fc877 15680 return -ENOTCONN;
2576a9ac 15681 default:
076fc877 15682 return -EOPNOTSUPP;
2576a9ac
DK		 15683 }
15684
2576a9ac
DK		 15685 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15686 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15687 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15688 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
15689 noencrypt =
15690 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
15691
67207bab
AO		 15692 link_id = nl80211_link_id_or_invalid(info->attrs);
15693
dca9ca2d 15694 err = rdev_tx_control_port(rdev, dev, buf, len,
67207bab 15695 dest, cpu_to_be16(proto), noencrypt, link_id,
dca9ca2d
MT		 15696 dont_wait_for_ack ? NULL : &cookie);
15697 if (!err && !dont_wait_for_ack)
15698 nl_set_extack_cookie_u64(info->extack, cookie);
15699 return err;
2576a9ac
DK		 15700}
15701
81e54d08
PKC		 15702static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
15703 struct genl_info *info)
15704{
15705 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15706 struct net_device *dev = info->user_ptr[1];
15707 struct wireless_dev *wdev = dev->ieee80211_ptr;
15708 struct cfg80211_ftm_responder_stats ftm_stats = {};
7b0a0e3c 15709 unsigned int link_id = nl80211_link_id(info->attrs);
81e54d08
PKC		 15710 struct sk_buff *msg;
15711 void *hdr;
15712 struct nlattr *ftm_stats_attr;
15713 int err;
15714
7b0a0e3c
JB		 15715 if (wdev->iftype != NL80211_IFTYPE_AP ||
15716 !wdev->links[link_id].ap.beacon_interval)
81e54d08
PKC		 15717 return -EOPNOTSUPP;
15718
15719 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
15720 if (err)
15721 return err;
15722
15723 if (!ftm_stats.filled)
15724 return -ENODATA;
15725
15726 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15727 if (!msg)
15728 return -ENOMEM;
15729
15730 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
15731 NL80211_CMD_GET_FTM_RESPONDER_STATS);
15732 if (!hdr)
1399c59f 15733 goto nla_put_failure;
81e54d08
PKC		 15734
15735 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15736 goto nla_put_failure;
15737
ae0be8de
MK		 15738 ftm_stats_attr = nla_nest_start_noflag(msg,
15739 NL80211_ATTR_FTM_RESPONDER_STATS);
81e54d08
PKC		 15740 if (!ftm_stats_attr)
15741 goto nla_put_failure;
15742
15743#define SET_FTM(field, name, type) \
15744 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15745 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
15746 ftm_stats.field)) \
15747 goto nla_put_failure; } while (0)
15748#define SET_FTM_U64(field, name) \
15749 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15750 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
15751 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
15752 goto nla_put_failure; } while (0)
15753
15754 SET_FTM(success_num, SUCCESS_NUM, u32);
15755 SET_FTM(partial_num, PARTIAL_NUM, u32);
15756 SET_FTM(failed_num, FAILED_NUM, u32);
15757 SET_FTM(asap_num, ASAP_NUM, u32);
15758 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
15759 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
15760 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
15761 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
15762 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
15763#undef SET_FTM
15764
15765 nla_nest_end(msg, ftm_stats_attr);
15766
15767 genlmsg_end(msg, hdr);
15768 return genlmsg_reply(msg, info);
15769
15770nla_put_failure:
15771 nlmsg_free(msg);
15772 return -ENOBUFS;
15773}
15774
cb74e977
SD		 15775static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
15776{
15777 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15778 struct cfg80211_update_owe_info owe_info;
15779 struct net_device *dev = info->user_ptr[1];
15780
15781 if (!rdev->ops->update_owe_info)
15782 return -EOPNOTSUPP;
15783
15784 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
15785 !info->attrs[NL80211_ATTR_MAC])
15786 return -EINVAL;
15787
15788 memset(&owe_info, 0, sizeof(owe_info));
15789 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15790 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
15791
15792 if (info->attrs[NL80211_ATTR_IE]) {
15793 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
15794 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
15795 }
15796
15797 return rdev_update_owe_info(rdev, dev, &owe_info);
15798}
15799
5ab92e7f
RM		 15800static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
15801{
15802 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15803 struct net_device *dev = info->user_ptr[1];
15804 struct wireless_dev *wdev = dev->ieee80211_ptr;
15805 struct station_info sinfo = {};
15806 const u8 *buf;
15807 size_t len;
15808 u8 *dest;
15809 int err;
15810
15811 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
15812 return -EOPNOTSUPP;
15813
15814 if (!info->attrs[NL80211_ATTR_MAC] ||
15815 !info->attrs[NL80211_ATTR_FRAME]) {
15816 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
15817 return -EINVAL;
15818 }
15819
15820 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
15821 return -EOPNOTSUPP;
15822
15823 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15824 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15825 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15826
15827 if (len < sizeof(struct ethhdr))
15828 return -EINVAL;
15829
15830 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
15831 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
15832 return -EINVAL;
15833
15834 err = rdev_get_station(rdev, dev, dest, &sinfo);
15835 if (err)
15836 return err;
15837
2a279b34
FF		 15838 cfg80211_sinfo_release_content(&sinfo);
15839
5ab92e7f
RM		 15840 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
15841}
15842
77f576de
T		 15843static int parse_tid_conf(struct cfg80211_registered_device *rdev,
15844 struct nlattr *attrs[], struct net_device *dev,
3710a8a6 15845 struct cfg80211_tid_cfg *tid_conf,
7b0a0e3c
JB		 15846 struct genl_info *info, const u8 *peer,
15847 unsigned int link_id)
77f576de
T		 15848{
15849 struct netlink_ext_ack *extack = info->extack;
3710a8a6 15850 u64 mask;
77f576de
T		 15851 int err;
15852
15853 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
15854 return -EINVAL;
15855
15856 tid_conf->config_override =
15857 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
3710a8a6 15858 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
77f576de
T		 15859
15860 if (tid_conf->config_override) {
15861 if (rdev->ops->reset_tid_config) {
15862 err = rdev_reset_tid_config(rdev, dev, peer,
3710a8a6 15863 tid_conf->tids);
c0336955 15864 if (err)
77f576de
T		 15865 return err;
15866 } else {
15867 return -EINVAL;
15868 }
15869 }
15870
15871 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
3710a8a6 15872 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
77f576de
T		 15873 tid_conf->noack =
15874 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
15875 }
15876
6a21d16c
T		 15877 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
15878 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
15879 tid_conf->retry_short =
15880 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
15881
15882 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
15883 return -EINVAL;
15884 }
15885
15886 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
15887 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
15888 tid_conf->retry_long =
15889 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
15890
15891 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
15892 return -EINVAL;
15893 }
15894
ade274b2
T		 15895 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
15896 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
15897 tid_conf->ampdu =
15898 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
15899 }
15900
04f7d142
T		 15901 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
15902 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
15903 tid_conf->rtscts =
15904 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
15905 }
15906
33462e68
SM		 15907 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
15908 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
15909 tid_conf->amsdu =
15910 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
15911 }
15912
9a5f6488
TC		 15913 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
15914 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
15915
15916 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
15917
15918 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
15919 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
15920 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
857b34c4 15921 &tid_conf->txrate_mask, dev,
7b0a0e3c 15922 true, link_id);
9a5f6488
TC		 15923 if (err)
15924 return err;
15925
15926 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
15927 }
15928 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
15929 }
15930
3710a8a6
JB		 15931 if (peer)
15932 mask = rdev->wiphy.tid_config_support.peer;
15933 else
15934 mask = rdev->wiphy.tid_config_support.vif;
15935
15936 if (tid_conf->mask & ~mask) {
15937 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
f6289e5d 15938 return -EOPNOTSUPP;
3710a8a6
JB		 15939 }
15940
77f576de
T		 15941 return 0;
15942}
15943
15944static int nl80211_set_tid_config(struct sk_buff *skb,
15945 struct genl_info *info)
15946{
15947 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15948 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
7b0a0e3c 15949 unsigned int link_id = nl80211_link_id(info->attrs);
77f576de 15950 struct net_device *dev = info->user_ptr[1];
3710a8a6 15951 struct cfg80211_tid_config *tid_config;
77f576de
T		 15952 struct nlattr *tid;
15953 int conf_idx = 0, rem_conf;
15954 int ret = -EINVAL;
15955 u32 num_conf = 0;
15956
15957 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
15958 return -EINVAL;
15959
15960 if (!rdev->ops->set_tid_config)
15961 return -EOPNOTSUPP;
15962
15963 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15964 rem_conf)
15965 num_conf++;
15966
15967 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
15968 GFP_KERNEL);
15969 if (!tid_config)
15970 return -ENOMEM;
15971
15972 tid_config->n_tid_conf = num_conf;
15973
15974 if (info->attrs[NL80211_ATTR_MAC])
15975 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15976
15977 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15978 rem_conf) {
15979 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
15980 tid, NULL, NULL);
15981
15982 if (ret)
15983 goto bad_tid_conf;
15984
15985 ret = parse_tid_conf(rdev, attrs, dev,
15986 &tid_config->tid_conf[conf_idx],
7b0a0e3c 15987 info, tid_config->peer, link_id);
77f576de
T		 15988 if (ret)
15989 goto bad_tid_conf;
15990
15991 conf_idx++;
15992 }
15993
15994 ret = rdev_set_tid_config(rdev, dev, tid_config);
15995
15996bad_tid_conf:
15997 kfree(tid_config);
15998 return ret;
15999}
16000
0d2ab3ae
JC		 16001static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
16002{
16003 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16004 struct cfg80211_color_change_settings params = {};
16005 struct net_device *dev = info->user_ptr[1];
16006 struct wireless_dev *wdev = dev->ieee80211_ptr;
16007 struct nlattr **tb;
16008 u16 offset;
16009 int err;
16010
16011 if (!rdev->ops->color_change)
16012 return -EOPNOTSUPP;
16013
16014 if (!wiphy_ext_feature_isset(&rdev->wiphy,
16015 NL80211_EXT_FEATURE_BSS_COLOR))
16016 return -EOPNOTSUPP;
16017
16018 if (wdev->iftype != NL80211_IFTYPE_AP)
16019 return -EOPNOTSUPP;
16020
16021 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
16022 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
16023 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
16024 return -EINVAL;
16025
16026 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
16027 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
16028
dbbb27e1
AD		 16029 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_next,
16030 info->extack);
0d2ab3ae
JC		 16031 if (err)
16032 return err;
16033
16034 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
16035 if (!tb)
16036 return -ENOMEM;
16037
16038 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
16039 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
16040 nl80211_policy, info->extack);
16041 if (err)
16042 goto out;
16043
dbbb27e1
AD		 16044 err = nl80211_parse_beacon(rdev, tb, &params.beacon_color_change,
16045 info->extack);
0d2ab3ae
JC		 16046 if (err)
16047 goto out;
16048
16049 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
16050 err = -EINVAL;
16051 goto out;
16052 }
16053
16054 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
16055 err = -EINVAL;
16056 goto out;
16057 }
16058
16059 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
16060 if (offset >= params.beacon_color_change.tail_len) {
16061 err = -EINVAL;
16062 goto out;
16063 }
16064
16065 if (params.beacon_color_change.tail[offset] != params.count) {
16066 err = -EINVAL;
16067 goto out;
16068 }
16069
16070 params.counter_offset_beacon = offset;
16071
16072 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
16073 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
16074 sizeof(u16)) {
16075 err = -EINVAL;
16076 goto out;
16077 }
16078
16079 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
16080 if (offset >= params.beacon_color_change.probe_resp_len) {
16081 err = -EINVAL;
16082 goto out;
16083 }
16084
16085 if (params.beacon_color_change.probe_resp[offset] !=
16086 params.count) {
16087 err = -EINVAL;
16088 goto out;
16089 }
16090
16091 params.counter_offset_presp = offset;
16092 }
16093
0d2ab3ae 16094 err = rdev_color_change(rdev, dev, &params);
0d2ab3ae
JC		 16095
16096out:
dc1e3cb8
JC		 16097 kfree(params.beacon_next.mbssid_ies);
16098 kfree(params.beacon_color_change.mbssid_ies);
dbbb27e1
AD		 16099 kfree(params.beacon_next.rnr_ies);
16100 kfree(params.beacon_color_change.rnr_ies);
0d2ab3ae
JC		 16101 kfree(tb);
16102 return err;
16103}
16104
e306784a
SM		 16105static int nl80211_set_fils_aad(struct sk_buff *skb,
16106 struct genl_info *info)
16107{
16108 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16109 struct net_device *dev = info->user_ptr[1];
16110 struct cfg80211_fils_aad fils_aad = {};
16111 u8 *nonces;
16112
16113 if (!info->attrs[NL80211_ATTR_MAC] ||
16114 !info->attrs[NL80211_ATTR_FILS_KEK] ||
16115 !info->attrs[NL80211_ATTR_FILS_NONCES])
16116 return -EINVAL;
16117
16118 fils_aad.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
16119 fils_aad.kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
16120 fils_aad.kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
16121 nonces = nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
16122 fils_aad.snonce = nonces;
16123 fils_aad.anonce = nonces + FILS_NONCE_LEN;
16124
16125 return rdev_set_fils_aad(rdev, dev, &fils_aad);
16126}
16127
7b0a0e3c
JB		 16128static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
16129{
f2a0290b 16130 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c
JB		 16131 unsigned int link_id = nl80211_link_id(info->attrs);
16132 struct net_device *dev = info->user_ptr[1];
16133 struct wireless_dev *wdev = dev->ieee80211_ptr;
f2a0290b 16134 int ret;
7b0a0e3c
JB		 16135
16136 if (!(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
16137 return -EINVAL;
16138
16139 switch (wdev->iftype) {
16140 case NL80211_IFTYPE_AP:
16141 break;
16142 default:
16143 return -EINVAL;
16144 }
16145
16146 if (!info->attrs[NL80211_ATTR_MAC] ||
16147 !is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
16148 return -EINVAL;
16149
7b0a0e3c
JB		 16150 wdev->valid_links |= BIT(link_id);
16151 ether_addr_copy(wdev->links[link_id].addr,
16152 nla_data(info->attrs[NL80211_ATTR_MAC]));
f2a0290b
JB		 16153
16154 ret = rdev_add_intf_link(rdev, wdev, link_id);
16155 if (ret) {
16156 wdev->valid_links &= ~BIT(link_id);
16157 eth_zero_addr(wdev->links[link_id].addr);
16158 }
7b0a0e3c 16159
f2a0290b 16160 return ret;
7b0a0e3c
JB		 16161}
16162
16163static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
16164{
16165 unsigned int link_id = nl80211_link_id(info->attrs);
16166 struct net_device *dev = info->user_ptr[1];
16167 struct wireless_dev *wdev = dev->ieee80211_ptr;
16168
16169 /* cannot remove if there's no link */
16170 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16171 return -EINVAL;
16172
16173 switch (wdev->iftype) {
16174 case NL80211_IFTYPE_AP:
16175 break;
16176 default:
16177 return -EINVAL;
16178 }
16179
cdf0a0a8 16180 cfg80211_remove_link(wdev, link_id);
7b0a0e3c
JB		 16181
16182 return 0;
16183}
16184
577e5b8c
ST		 16185static int
16186nl80211_add_mod_link_station(struct sk_buff *skb, struct genl_info *info,
16187 bool add)
16188{
16189 struct link_station_parameters params = {};
16190 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16191 struct net_device *dev = info->user_ptr[1];
16192 int err;
16193
16194 if ((add && !rdev->ops->add_link_station) ||
16195 (!add && !rdev->ops->mod_link_station))
16196 return -EOPNOTSUPP;
16197
16198 if (add && !info->attrs[NL80211_ATTR_MAC])
16199 return -EINVAL;
16200
8876c67e 16201 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
577e5b8c
ST		 16202 return -EINVAL;
16203
16204 if (add && !info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
16205 return -EINVAL;
16206
8876c67e 16207 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
577e5b8c
ST		 16208
16209 if (info->attrs[NL80211_ATTR_MAC]) {
16210 params.link_mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
16211 if (!is_valid_ether_addr(params.link_mac))
16212 return -EINVAL;
16213 }
16214
16215 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16216 return -EINVAL;
16217
16218 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16219
16220 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
16221 params.supported_rates =
16222 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16223 params.supported_rates_len =
16224 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16225 }
16226
16227 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
16228 params.ht_capa =
16229 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
16230
16231 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
16232 params.vht_capa =
16233 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
16234
16235 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
16236 params.he_capa =
16237 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16238 params.he_capa_len =
16239 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16240
16241 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
16242 params.eht_capa =
16243 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16244 params.eht_capa_len =
16245 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16246
16247 if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
16248 (const u8 *)params.eht_capa,
ea5cba26
JB		 16249 params.eht_capa_len,
16250 false))
577e5b8c
ST		 16251 return -EINVAL;
16252 }
16253 }
16254
16255 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
16256 params.he_6ghz_capa =
16257 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
16258
16259 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
16260 params.opmode_notif_used = true;
16261 params.opmode_notif =
16262 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
16263 }
16264
16265 err = nl80211_parse_sta_txpower_setting(info, &params.txpwr,
16266 &params.txpwr_set);
16267 if (err)
16268 return err;
16269
16270 if (add)
076fc877 16271 return rdev_add_link_station(rdev, dev, &params);
858fd188 16272
076fc877 16273 return rdev_mod_link_station(rdev, dev, &params);
577e5b8c
ST		 16274}
16275
16276static int
16277nl80211_add_link_station(struct sk_buff *skb, struct genl_info *info)
16278{
16279 return nl80211_add_mod_link_station(skb, info, true);
16280}
16281
16282static int
16283nl80211_modify_link_station(struct sk_buff *skb, struct genl_info *info)
16284{
16285 return nl80211_add_mod_link_station(skb, info, false);
16286}
16287
16288static int
16289nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
16290{
16291 struct link_station_del_parameters params = {};
16292 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16293 struct net_device *dev = info->user_ptr[1];
16294
16295 if (!rdev->ops->del_link_station)
16296 return -EOPNOTSUPP;
16297
16298 if (!info->attrs[NL80211_ATTR_MLD_ADDR] ||
16299 !info->attrs[NL80211_ATTR_MLO_LINK_ID])
16300 return -EINVAL;
16301
16302 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16303 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16304
076fc877 16305 return rdev_del_link_station(rdev, dev, &params);
577e5b8c
ST		 16306}
16307
cbbaf2bb
AS		 16308static int nl80211_set_hw_timestamp(struct sk_buff *skb,
16309 struct genl_info *info)
16310{
16311 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16312 struct net_device *dev = info->user_ptr[1];
16313 struct cfg80211_set_hw_timestamp hwts = {};
16314
16315 if (!rdev->wiphy.hw_timestamp_max_peers)
16316 return -EOPNOTSUPP;
16317
16318 if (!info->attrs[NL80211_ATTR_MAC] &&
16319 rdev->wiphy.hw_timestamp_max_peers != CFG80211_HW_TIMESTAMP_ALL_PEERS)
16320 return -EOPNOTSUPP;
16321
16322 if (info->attrs[NL80211_ATTR_MAC])
16323 hwts.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
16324
16325 hwts.enable =
16326 nla_get_flag(info->attrs[NL80211_ATTR_HW_TIMESTAMP_ENABLED]);
16327
16328 return rdev_set_hw_timestamp(rdev, dev, &hwts);
16329}
16330
b61e6b41
IP		 16331static int
16332nl80211_set_ttlm(struct sk_buff *skb, struct genl_info *info)
16333{
16334 struct cfg80211_ttlm_params params = {};
16335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16336 struct net_device *dev = info->user_ptr[1];
16337 struct wireless_dev *wdev = dev->ieee80211_ptr;
16338
16339 if (wdev->iftype != NL80211_IFTYPE_STATION &&
16340 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
16341 return -EOPNOTSUPP;
16342
16343 if (!wdev->connected)
16344 return -ENOLINK;
16345
16346 if (!info->attrs[NL80211_ATTR_MLO_TTLM_DLINK] ||
16347 !info->attrs[NL80211_ATTR_MLO_TTLM_ULINK])
16348 return -EINVAL;
16349
16350 nla_memcpy(params.dlink,
16351 info->attrs[NL80211_ATTR_MLO_TTLM_DLINK],
16352 sizeof(params.dlink));
16353 nla_memcpy(params.ulink,
16354 info->attrs[NL80211_ATTR_MLO_TTLM_ULINK],
16355 sizeof(params.ulink));
16356
16357 return rdev_set_ttlm(rdev, dev, &params);
16358}
16359
4c476991
JB		 16360#define NL80211_FLAG_NEED_WIPHY 0x01
16361#define NL80211_FLAG_NEED_NETDEV 0x02
16362#define NL80211_FLAG_NEED_RTNL 0x04
41265714
JB		 16363#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
16364#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
16365 NL80211_FLAG_CHECK_NETDEV_UP)
1bf614ef 16366#define NL80211_FLAG_NEED_WDEV 0x10
98104fde 16367/* If a netdev is associated, it must be UP, P2P must be started */
1bf614ef
JB		 16368#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
16369 NL80211_FLAG_CHECK_NETDEV_UP)
5393b917 16370#define NL80211_FLAG_CLEAR_SKB 0x20
77cbf790 16371#define NL80211_FLAG_NO_WIPHY_MTX 0x40
7b0a0e3c
JB		 16372#define NL80211_FLAG_MLO_VALID_LINK_ID 0x80
16373#define NL80211_FLAG_MLO_UNSUPPORTED 0x100
4c476991 16374
2182db91
JB		 16375#define INTERNAL_FLAG_SELECTORS(__sel) \
16376 SELECTOR(__sel, NONE, 0) /* must be first */ \
16377 SELECTOR(__sel, WIPHY, \
16378 NL80211_FLAG_NEED_WIPHY) \
16379 SELECTOR(__sel, WDEV, \
16380 NL80211_FLAG_NEED_WDEV) \
16381 SELECTOR(__sel, NETDEV, \
16382 NL80211_FLAG_NEED_NETDEV) \
7b0a0e3c
JB		 16383 SELECTOR(__sel, NETDEV_LINK, \
16384 NL80211_FLAG_NEED_NETDEV | \
16385 NL80211_FLAG_MLO_VALID_LINK_ID) \
16386 SELECTOR(__sel, NETDEV_NO_MLO, \
16387 NL80211_FLAG_NEED_NETDEV | \
16388 NL80211_FLAG_MLO_UNSUPPORTED) \
2182db91
JB		 16389 SELECTOR(__sel, WIPHY_RTNL, \
16390 NL80211_FLAG_NEED_WIPHY | \
16391 NL80211_FLAG_NEED_RTNL) \
16392 SELECTOR(__sel, WIPHY_RTNL_NOMTX, \
16393 NL80211_FLAG_NEED_WIPHY | \
16394 NL80211_FLAG_NEED_RTNL | \
16395 NL80211_FLAG_NO_WIPHY_MTX) \
16396 SELECTOR(__sel, WDEV_RTNL, \
16397 NL80211_FLAG_NEED_WDEV | \
16398 NL80211_FLAG_NEED_RTNL) \
16399 SELECTOR(__sel, NETDEV_RTNL, \
16400 NL80211_FLAG_NEED_NETDEV | \
16401 NL80211_FLAG_NEED_RTNL) \
16402 SELECTOR(__sel, NETDEV_UP, \
16403 NL80211_FLAG_NEED_NETDEV_UP) \
7b0a0e3c
JB		 16404 SELECTOR(__sel, NETDEV_UP_LINK, \
16405 NL80211_FLAG_NEED_NETDEV_UP | \
16406 NL80211_FLAG_MLO_VALID_LINK_ID) \
16407 SELECTOR(__sel, NETDEV_UP_NO_MLO, \
16408 NL80211_FLAG_NEED_NETDEV_UP | \
16409 NL80211_FLAG_MLO_UNSUPPORTED) \
16410 SELECTOR(__sel, NETDEV_UP_NO_MLO_CLEAR, \
16411 NL80211_FLAG_NEED_NETDEV_UP | \
16412 NL80211_FLAG_CLEAR_SKB | \
16413 NL80211_FLAG_MLO_UNSUPPORTED) \
2182db91
JB		 16414 SELECTOR(__sel, NETDEV_UP_NOTMX, \
16415 NL80211_FLAG_NEED_NETDEV_UP | \
16416 NL80211_FLAG_NO_WIPHY_MTX) \
7b0a0e3c
JB		 16417 SELECTOR(__sel, NETDEV_UP_NOTMX_NOMLO, \
16418 NL80211_FLAG_NEED_NETDEV_UP | \
16419 NL80211_FLAG_NO_WIPHY_MTX | \
16420 NL80211_FLAG_MLO_UNSUPPORTED) \
2182db91
JB		 16421 SELECTOR(__sel, NETDEV_UP_CLEAR, \
16422 NL80211_FLAG_NEED_NETDEV_UP | \
16423 NL80211_FLAG_CLEAR_SKB) \
16424 SELECTOR(__sel, WDEV_UP, \
16425 NL80211_FLAG_NEED_WDEV_UP) \
7b0a0e3c
JB		 16426 SELECTOR(__sel, WDEV_UP_LINK, \
16427 NL80211_FLAG_NEED_WDEV_UP | \
16428 NL80211_FLAG_MLO_VALID_LINK_ID) \
2182db91
JB		 16429 SELECTOR(__sel, WDEV_UP_RTNL, \
16430 NL80211_FLAG_NEED_WDEV_UP | \
16431 NL80211_FLAG_NEED_RTNL) \
16432 SELECTOR(__sel, WIPHY_CLEAR, \
16433 NL80211_FLAG_NEED_WIPHY | \
16434 NL80211_FLAG_CLEAR_SKB)
16435
16436enum nl80211_internal_flags_selector {
16437#define SELECTOR(_, name, value) NL80211_IFL_SEL_##name,
16438 INTERNAL_FLAG_SELECTORS(_)
16439#undef SELECTOR
16440};
16441
16442static u32 nl80211_internal_flags[] = {
16443#define SELECTOR(_, name, value) [NL80211_IFL_SEL_##name] = value,
16444 INTERNAL_FLAG_SELECTORS(_)
16445#undef SELECTOR
16446};
16447
20b0b53a
JK		 16448static int nl80211_pre_doit(const struct genl_split_ops *ops,
16449 struct sk_buff *skb,
4c476991
JB		 16450 struct genl_info *info)
16451{
a05829a7 16452 struct cfg80211_registered_device *rdev = NULL;
7b0a0e3c
JB		 16453 struct wireless_dev *wdev = NULL;
16454 struct net_device *dev = NULL;
2182db91 16455 u32 internal_flags;
7b0a0e3c 16456 int err;
2182db91
JB		 16457
16458 if (WARN_ON(ops->internal_flags >= ARRAY_SIZE(nl80211_internal_flags)))
16459 return -EINVAL;
16460
16461 internal_flags = nl80211_internal_flags[ops->internal_flags];
4c476991 16462
a05829a7 16463 rtnl_lock();
2182db91 16464 if (internal_flags & NL80211_FLAG_NEED_WIPHY) {
4f7eff10 16465 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
4c476991 16466 if (IS_ERR(rdev)) {
7b0a0e3c
JB		 16467 err = PTR_ERR(rdev);
16468 goto out_unlock;
4c476991
JB		 16469 }
16470 info->user_ptr[0] = rdev;
2182db91
JB		 16471 } else if (internal_flags & NL80211_FLAG_NEED_NETDEV ||
16472 internal_flags & NL80211_FLAG_NEED_WDEV) {
a05829a7 16473 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
89a54e48
JB		 16474 info->attrs);
16475 if (IS_ERR(wdev)) {
7b0a0e3c
JB		 16476 err = PTR_ERR(wdev);
16477 goto out_unlock;
4c476991 16478 }
89a54e48 16479
89a54e48 16480 dev = wdev->netdev;
7b0a0e3c 16481 dev_hold(dev);
f26cbf40 16482 rdev = wiphy_to_rdev(wdev->wiphy);
89a54e48 16483
2182db91 16484 if (internal_flags & NL80211_FLAG_NEED_NETDEV) {
1bf614ef 16485 if (!dev) {
7b0a0e3c
JB		 16486 err = -EINVAL;
16487 goto out_unlock;
1bf614ef
JB		 16488 }
16489
16490 info->user_ptr[1] = dev;
16491 } else {
16492 info->user_ptr[1] = wdev;
41265714 16493 }
1bf614ef 16494
2182db91 16495 if (internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
73c7da3d 16496 !wdev_running(wdev)) {
7b0a0e3c
JB		 16497 err = -ENETDOWN;
16498 goto out_unlock;
73c7da3d 16499 }
1bf614ef 16500
4c476991 16501 info->user_ptr[0] = rdev;
4c476991
JB		 16502 }
16503
7b0a0e3c
JB		 16504 if (internal_flags & NL80211_FLAG_MLO_VALID_LINK_ID) {
16505 struct nlattr *link_id = info->attrs[NL80211_ATTR_MLO_LINK_ID];
16506
16507 if (!wdev) {
16508 err = -EINVAL;
16509 goto out_unlock;
16510 }
16511
16512 /* MLO -> require valid link ID */
16513 if (wdev->valid_links &&
16514 (!link_id ||
ff3821bc 16515 !(wdev->valid_links & BIT(nla_get_u8(link_id))))) {
7b0a0e3c
JB		 16516 err = -EINVAL;
16517 goto out_unlock;
16518 }
16519
16520 /* non-MLO -> no link ID attribute accepted */
16521 if (!wdev->valid_links && link_id) {
16522 err = -EINVAL;
16523 goto out_unlock;
16524 }
16525 }
16526
16527 if (internal_flags & NL80211_FLAG_MLO_UNSUPPORTED) {
16528 if (info->attrs[NL80211_ATTR_MLO_LINK_ID] ||
16529 (wdev && wdev->valid_links)) {
16530 err = -EINVAL;
16531 goto out_unlock;
16532 }
16533 }
16534
2182db91 16535 if (rdev && !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
a05829a7
JB		 16536 wiphy_lock(&rdev->wiphy);
16537 /* we keep the mutex locked until post_doit */
16538 __release(&rdev->wiphy.mtx);
16539 }
2182db91 16540 if (!(internal_flags & NL80211_FLAG_NEED_RTNL))
a05829a7
JB		 16541 rtnl_unlock();
16542
4c476991 16543 return 0;
7b0a0e3c
JB		 16544out_unlock:
16545 rtnl_unlock();
16546 dev_put(dev);
16547 return err;
4c476991
JB		 16548}
16549
20b0b53a
JK		 16550static void nl80211_post_doit(const struct genl_split_ops *ops,
16551 struct sk_buff *skb,
4c476991
JB		 16552 struct genl_info *info)
16553{
2182db91
JB		 16554 u32 internal_flags = nl80211_internal_flags[ops->internal_flags];
16555
1bf614ef 16556 if (info->user_ptr[1]) {
2182db91 16557 if (internal_flags & NL80211_FLAG_NEED_WDEV) {
1bf614ef
JB		 16558 struct wireless_dev *wdev = info->user_ptr[1];
16559
1160dfa1 16560 dev_put(wdev->netdev);
1bf614ef
JB		 16561 } else {
16562 dev_put(info->user_ptr[1]);
16563 }
16564 }
5393b917 16565
77cbf790 16566 if (info->user_ptr[0] &&
2182db91 16567 !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
a05829a7
JB		 16568 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16569
16570 /* we kept the mutex locked since pre_doit */
16571 __acquire(&rdev->wiphy.mtx);
16572 wiphy_unlock(&rdev->wiphy);
16573 }
16574
2182db91 16575 if (internal_flags & NL80211_FLAG_NEED_RTNL)
4c476991 16576 rtnl_unlock();
5393b917
JB		 16577
16578 /* If needed, clear the netlink message payload from the SKB
16579 * as it might contain key data that shouldn't stick around on
16580 * the heap after the SKB is freed. The netlink message header
16581 * is still needed for further processing, so leave it intact.
16582 */
2182db91 16583 if (internal_flags & NL80211_FLAG_CLEAR_SKB) {
5393b917
JB		 16584 struct nlmsghdr *nlh = nlmsg_hdr(skb);
16585
16586 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
16587 }
4c476991
JB		 16588}
16589
6bdb68ce
CH		 16590static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
16591 struct cfg80211_sar_specs *sar_specs,
16592 struct nlattr *spec[], int index)
16593{
16594 u32 range_index, i;
16595
16596 if (!sar_specs || !spec)
16597 return -EINVAL;
16598
16599 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
16600 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
16601 return -EINVAL;
16602
16603 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
16604
16605 /* check if range_index exceeds num_freq_ranges */
16606 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
16607 return -EINVAL;
16608
16609 /* check if range_index duplicates */
16610 for (i = 0; i < index; i++) {
16611 if (sar_specs->sub_specs[i].freq_range_index == range_index)
16612 return -EINVAL;
16613 }
16614
16615 sar_specs->sub_specs[index].power =
16616 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
16617
16618 sar_specs->sub_specs[index].freq_range_index = range_index;
16619
16620 return 0;
16621}
16622
16623static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
16624{
16625 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16626 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
16627 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
16628 struct cfg80211_sar_specs *sar_spec;
16629 enum nl80211_sar_type type;
16630 struct nlattr *spec_list;
16631 u32 specs;
16632 int rem, err;
16633
16634 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
16635 return -EOPNOTSUPP;
16636
16637 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
16638 return -EINVAL;
16639
16640 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
16641 info->attrs[NL80211_ATTR_SAR_SPEC],
16642 NULL, NULL);
16643
16644 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
16645 return -EINVAL;
16646
16647 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
16648 if (type != rdev->wiphy.sar_capa->type)
16649 return -EINVAL;
16650
16651 specs = 0;
16652 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
16653 specs++;
16654
16655 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
16656 return -EINVAL;
16657
40f231e7 16658 sar_spec = kzalloc(struct_size(sar_spec, sub_specs, specs), GFP_KERNEL);
6bdb68ce
CH		 16659 if (!sar_spec)
16660 return -ENOMEM;
16661
16662 sar_spec->type = type;
16663 specs = 0;
16664 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
16665 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
16666 spec_list, NULL, NULL);
16667
16668 switch (type) {
16669 case NL80211_SAR_TYPE_POWER:
16670 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
16671 spec, specs)) {
16672 err = -EINVAL;
16673 goto error;
16674 }
16675 break;
16676 default:
16677 err = -EINVAL;
16678 goto error;
16679 }
16680 specs++;
16681 }
16682
16683 sar_spec->num_sub_specs = specs;
16684
16685 rdev->cur_cmd_info = info;
16686 err = rdev_set_sar_specs(rdev, sar_spec);
16687 rdev->cur_cmd_info = NULL;
16688error:
16689 kfree(sar_spec);
16690 return err;
16691}
16692
2182db91
JB		 16693#define SELECTOR(__sel, name, value) \
16694 ((__sel) == (value)) ? NL80211_IFL_SEL_##name :
16695int __missing_selector(void);
16696#define IFLAGS(__val) INTERNAL_FLAG_SELECTORS(__val) __missing_selector()
16697
4534de83 16698static const struct genl_ops nl80211_ops[] = {
55682965
JB		 16699 {
16700 .cmd = NL80211_CMD_GET_WIPHY,
ef6243ac 16701 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 16702 .doit = nl80211_get_wiphy,
16703 .dumpit = nl80211_dump_wiphy,
86e8cf98 16704 .done = nl80211_dump_wiphy_done,
55682965 16705 /* can be retrieved by unprivileged users */
2182db91 16706 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
55682965 16707 },
66a9b928
JK		 16708};
16709
16710static const struct genl_small_ops nl80211_small_ops[] = {
55682965
JB		 16711 {
16712 .cmd = NL80211_CMD_SET_WIPHY,
ef6243ac 16713 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 16714 .doit = nl80211_set_wiphy,
5617c6cd 16715 .flags = GENL_UNS_ADMIN_PERM,
55682965
JB		 16716 },
16717 {
16718 .cmd = NL80211_CMD_GET_INTERFACE,
ef6243ac 16719 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 16720 .doit = nl80211_get_interface,
16721 .dumpit = nl80211_dump_interface,
55682965 16722 /* can be retrieved by unprivileged users */
2182db91 16723 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
55682965
JB		 16724 },
16725 {
16726 .cmd = NL80211_CMD_SET_INTERFACE,
ef6243ac 16727 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 16728 .doit = nl80211_set_interface,
5617c6cd 16729 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16730 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16731 NL80211_FLAG_NEED_RTNL),
55682965
JB		 16732 },
16733 {
16734 .cmd = NL80211_CMD_NEW_INTERFACE,
ef6243ac 16735 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 16736 .doit = nl80211_new_interface,
5617c6cd 16737 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16738 .internal_flags =
16739 IFLAGS(NL80211_FLAG_NEED_WIPHY |
16740 NL80211_FLAG_NEED_RTNL |
16741 /* we take the wiphy mutex later ourselves */
16742 NL80211_FLAG_NO_WIPHY_MTX),
55682965
JB		 16743 },
16744 {
16745 .cmd = NL80211_CMD_DEL_INTERFACE,
ef6243ac 16746 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 16747 .doit = nl80211_del_interface,
5617c6cd 16748 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16749 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16750 NL80211_FLAG_NEED_RTNL),
41ade00f
JB		 16751 },
16752 {
16753 .cmd = NL80211_CMD_GET_KEY,
ef6243ac 16754 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 16755 .doit = nl80211_get_key,
5617c6cd 16756 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16757 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
41ade00f
JB		 16758 },
16759 {
16760 .cmd = NL80211_CMD_SET_KEY,
ef6243ac 16761 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 16762 .doit = nl80211_set_key,
5617c6cd 16763 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c 16764 /* cannot use NL80211_FLAG_MLO_VALID_LINK_ID, depends on key */
2182db91
JB		 16765 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16766 NL80211_FLAG_CLEAR_SKB),
41ade00f
JB		 16767 },
16768 {
16769 .cmd = NL80211_CMD_NEW_KEY,
ef6243ac 16770 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 16771 .doit = nl80211_new_key,
5617c6cd 16772 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16773 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16774 NL80211_FLAG_CLEAR_SKB),
41ade00f
JB		 16775 },
16776 {
16777 .cmd = NL80211_CMD_DEL_KEY,
ef6243ac 16778 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 16779 .doit = nl80211_del_key,
5617c6cd 16780 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16781 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
55682965 16782 },
ed1b6cc7
JB		 16783 {
16784 .cmd = NL80211_CMD_SET_BEACON,
ef6243ac 16785 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 16786 .flags = GENL_UNS_ADMIN_PERM,
8860020e 16787 .doit = nl80211_set_beacon,
7b0a0e3c
JB		 16788 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16789 NL80211_FLAG_MLO_VALID_LINK_ID),
ed1b6cc7
JB		 16790 },
16791 {
8860020e 16792 .cmd = NL80211_CMD_START_AP,
ef6243ac 16793 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 16794 .flags = GENL_UNS_ADMIN_PERM,
8860020e 16795 .doit = nl80211_start_ap,
7b0a0e3c
JB		 16796 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16797 NL80211_FLAG_MLO_VALID_LINK_ID),
ed1b6cc7
JB		 16798 },
16799 {
8860020e 16800 .cmd = NL80211_CMD_STOP_AP,
ef6243ac 16801 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 16802 .flags = GENL_UNS_ADMIN_PERM,
8860020e 16803 .doit = nl80211_stop_ap,
7b0a0e3c
JB		 16804 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16805 NL80211_FLAG_MLO_VALID_LINK_ID),
ed1b6cc7 16806 },
5727ef1b
JB		 16807 {
16808 .cmd = NL80211_CMD_GET_STATION,
ef6243ac 16809 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 16810 .doit = nl80211_get_station,
2ec600d6 16811 .dumpit = nl80211_dump_station,
2182db91 16812 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
5727ef1b
JB		 16813 },
16814 {
16815 .cmd = NL80211_CMD_SET_STATION,
ef6243ac 16816 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 16817 .doit = nl80211_set_station,
5617c6cd 16818 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16819 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
5727ef1b
JB		 16820 },
16821 {
16822 .cmd = NL80211_CMD_NEW_STATION,
ef6243ac 16823 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 16824 .doit = nl80211_new_station,
5617c6cd 16825 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16826 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
5727ef1b
JB		 16827 },
16828 {
16829 .cmd = NL80211_CMD_DEL_STATION,
ef6243ac 16830 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 16831 .doit = nl80211_del_station,
5617c6cd 16832 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16833 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2ec600d6
LCC		 16834 },
16835 {
16836 .cmd = NL80211_CMD_GET_MPATH,
ef6243ac 16837 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6
LCC		 16838 .doit = nl80211_get_mpath,
16839 .dumpit = nl80211_dump_mpath,
5617c6cd 16840 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16841 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2ec600d6 16842 },
66be7d2b
HR		 16843 {
16844 .cmd = NL80211_CMD_GET_MPP,
ef6243ac 16845 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
66be7d2b
HR		 16846 .doit = nl80211_get_mpp,
16847 .dumpit = nl80211_dump_mpp,
5617c6cd 16848 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16849 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
66be7d2b 16850 },
2ec600d6
LCC		 16851 {
16852 .cmd = NL80211_CMD_SET_MPATH,
ef6243ac 16853 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 16854 .doit = nl80211_set_mpath,
5617c6cd 16855 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16856 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2ec600d6
LCC		 16857 },
16858 {
16859 .cmd = NL80211_CMD_NEW_MPATH,
ef6243ac 16860 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 16861 .doit = nl80211_new_mpath,
5617c6cd 16862 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16863 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2ec600d6
LCC		 16864 },
16865 {
16866 .cmd = NL80211_CMD_DEL_MPATH,
ef6243ac 16867 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 16868 .doit = nl80211_del_mpath,
5617c6cd 16869 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16870 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
9f1ba906
JM		 16871 },
16872 {
16873 .cmd = NL80211_CMD_SET_BSS,
ef6243ac 16874 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9f1ba906 16875 .doit = nl80211_set_bss,
5617c6cd 16876 .flags = GENL_UNS_ADMIN_PERM,
1e0f8cc9
JB		 16877 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16878 NL80211_FLAG_MLO_VALID_LINK_ID),
b2e1b302 16879 },
f130347c
LR		 16880 {
16881 .cmd = NL80211_CMD_GET_REG,
ef6243ac 16882 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad30ca2c
AN		 16883 .doit = nl80211_get_reg_do,
16884 .dumpit = nl80211_get_reg_dump,
f130347c
LR		 16885 /* can be retrieved by unprivileged users */
16886 },
b6863036 16887#ifdef CONFIG_CFG80211_CRDA_SUPPORT
b2e1b302
LR		 16888 {
16889 .cmd = NL80211_CMD_SET_REG,
ef6243ac 16890 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 16891 .doit = nl80211_set_reg,
b2e1b302
LR		 16892 .flags = GENL_ADMIN_PERM,
16893 },
b6863036 16894#endif
b2e1b302
LR		 16895 {
16896 .cmd = NL80211_CMD_REQ_SET_REG,
ef6243ac 16897 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 16898 .doit = nl80211_req_set_reg,
93da9cc1 16899 .flags = GENL_ADMIN_PERM,
16900 },
1ea4ff3e
JB		 16901 {
16902 .cmd = NL80211_CMD_RELOAD_REGDB,
ef6243ac 16903 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1ea4ff3e 16904 .doit = nl80211_reload_regdb,
1ea4ff3e
JB		 16905 .flags = GENL_ADMIN_PERM,
16906 },
93da9cc1 16907 {
24bdd9f4 16908 .cmd = NL80211_CMD_GET_MESH_CONFIG,
ef6243ac 16909 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 16910 .doit = nl80211_get_mesh_config,
93da9cc1 16911 /* can be retrieved by unprivileged users */
2182db91 16912 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
93da9cc1 16913 },
16914 {
24bdd9f4 16915 .cmd = NL80211_CMD_SET_MESH_CONFIG,
ef6243ac 16916 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 16917 .doit = nl80211_update_mesh_config,
5617c6cd 16918 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16919 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
9aed3cc1 16920 },
2a519311
JB		 16921 {
16922 .cmd = NL80211_CMD_TRIGGER_SCAN,
ef6243ac 16923 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311 16924 .doit = nl80211_trigger_scan,
5617c6cd 16925 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16926 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
2a519311 16927 },
91d3ab46
VK		 16928 {
16929 .cmd = NL80211_CMD_ABORT_SCAN,
ef6243ac 16930 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
91d3ab46 16931 .doit = nl80211_abort_scan,
5617c6cd 16932 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16933 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
91d3ab46 16934 },
2a519311
JB		 16935 {
16936 .cmd = NL80211_CMD_GET_SCAN,
ef6243ac 16937 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311
JB		 16938 .dumpit = nl80211_dump_scan,
16939 },
807f8a8c
LC		 16940 {
16941 .cmd = NL80211_CMD_START_SCHED_SCAN,
ef6243ac 16942 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 16943 .doit = nl80211_start_sched_scan,
5617c6cd 16944 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16945 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
807f8a8c
LC		 16946 },
16947 {
16948 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
ef6243ac 16949 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 16950 .doit = nl80211_stop_sched_scan,
5617c6cd 16951 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16952 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
807f8a8c 16953 },
636a5d36
JM		 16954 {
16955 .cmd = NL80211_CMD_AUTHENTICATE,
ef6243ac 16956 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 16957 .doit = nl80211_authenticate,
5617c6cd 16958 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16959 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16960 NL80211_FLAG_CLEAR_SKB),
636a5d36
JM		 16961 },
16962 {
16963 .cmd = NL80211_CMD_ASSOCIATE,
ef6243ac 16964 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 16965 .doit = nl80211_associate,
5617c6cd 16966 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16967 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16968 NL80211_FLAG_CLEAR_SKB),
636a5d36
JM		 16969 },
16970 {
16971 .cmd = NL80211_CMD_DEAUTHENTICATE,
ef6243ac 16972 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 16973 .doit = nl80211_deauthenticate,
5617c6cd 16974 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16975 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
636a5d36
JM		 16976 },
16977 {
16978 .cmd = NL80211_CMD_DISASSOCIATE,
ef6243ac 16979 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 16980 .doit = nl80211_disassociate,
5617c6cd 16981 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16982 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
636a5d36 16983 },
04a773ad
JB		 16984 {
16985 .cmd = NL80211_CMD_JOIN_IBSS,
ef6243ac 16986 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 16987 .doit = nl80211_join_ibss,
5617c6cd 16988 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16989 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
04a773ad
JB		 16990 },
16991 {
16992 .cmd = NL80211_CMD_LEAVE_IBSS,
ef6243ac 16993 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 16994 .doit = nl80211_leave_ibss,
5617c6cd 16995 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16996 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
04a773ad 16997 },
aff89a9b
JB		 16998#ifdef CONFIG_NL80211_TESTMODE
16999 {
17000 .cmd = NL80211_CMD_TESTMODE,
ef6243ac 17001 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aff89a9b 17002 .doit = nl80211_testmode_do,
71063f0e 17003 .dumpit = nl80211_testmode_dump,
5617c6cd 17004 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17005 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
aff89a9b
JB		 17006 },
17007#endif
b23aa676
SO		 17008 {
17009 .cmd = NL80211_CMD_CONNECT,
ef6243ac 17010 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 17011 .doit = nl80211_connect,
5617c6cd 17012 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17013 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17014 NL80211_FLAG_CLEAR_SKB),
b23aa676 17015 },
088e8df8 17016 {
17017 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
ef6243ac 17018 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
088e8df8 17019 .doit = nl80211_update_connect_params,
088e8df8 17020 .flags = GENL_ADMIN_PERM,
2182db91
JB		 17021 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17022 NL80211_FLAG_CLEAR_SKB),
088e8df8 17023 },
b23aa676
SO		 17024 {
17025 .cmd = NL80211_CMD_DISCONNECT,
ef6243ac 17026 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 17027 .doit = nl80211_disconnect,
5617c6cd 17028 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17029 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
b23aa676 17030 },
463d0183
JB		 17031 {
17032 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
ef6243ac 17033 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
463d0183 17034 .doit = nl80211_wiphy_netns,
5617c6cd 17035 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17036 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17037 NL80211_FLAG_NEED_RTNL |
17038 NL80211_FLAG_NO_WIPHY_MTX),
463d0183 17039 },
61fa713c
HS		 17040 {
17041 .cmd = NL80211_CMD_GET_SURVEY,
ef6243ac 17042 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
61fa713c
HS		 17043 .dumpit = nl80211_dump_survey,
17044 },
67fbb16b
SO		 17045 {
17046 .cmd = NL80211_CMD_SET_PMKSA,
ef6243ac 17047 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aa0887c4 17048 .doit = nl80211_set_pmksa,
5617c6cd 17049 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17050 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17051 NL80211_FLAG_CLEAR_SKB),
67fbb16b
SO		 17052 },
17053 {
17054 .cmd = NL80211_CMD_DEL_PMKSA,
ef6243ac 17055 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aa0887c4 17056 .doit = nl80211_del_pmksa,
5617c6cd 17057 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17058 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
67fbb16b
SO		 17059 },
17060 {
17061 .cmd = NL80211_CMD_FLUSH_PMKSA,
ef6243ac 17062 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 17063 .doit = nl80211_flush_pmksa,
5617c6cd 17064 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17065 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
67fbb16b 17066 },
9588bbd5
JM		 17067 {
17068 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
ef6243ac 17069 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 17070 .doit = nl80211_remain_on_channel,
5617c6cd 17071 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17072 /* FIXME: requiring a link ID here is probably not good */
17073 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17074 NL80211_FLAG_MLO_VALID_LINK_ID),
9588bbd5
JM		 17075 },
17076 {
17077 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
ef6243ac 17078 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 17079 .doit = nl80211_cancel_remain_on_channel,
5617c6cd 17080 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17081 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
9588bbd5 17082 },
13ae75b1
JM		 17083 {
17084 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
ef6243ac 17085 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13ae75b1 17086 .doit = nl80211_set_tx_bitrate_mask,
5617c6cd 17087 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17088 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17089 NL80211_FLAG_MLO_VALID_LINK_ID),
13ae75b1 17090 },
026331c4 17091 {
2e161f78 17092 .cmd = NL80211_CMD_REGISTER_FRAME,
ef6243ac 17093 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 17094 .doit = nl80211_register_mgmt,
5617c6cd 17095 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17096 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
026331c4
JM		 17097 },
17098 {
2e161f78 17099 .cmd = NL80211_CMD_FRAME,
ef6243ac 17100 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 17101 .doit = nl80211_tx_mgmt,
5617c6cd 17102 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17103 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
f7ca38df
JB		 17104 },
17105 {
17106 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
ef6243ac 17107 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f7ca38df 17108 .doit = nl80211_tx_mgmt_cancel_wait,
5617c6cd 17109 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17110 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
026331c4 17111 },
ffb9eb3d
KV		 17112 {
17113 .cmd = NL80211_CMD_SET_POWER_SAVE,
ef6243ac 17114 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 17115 .doit = nl80211_set_power_save,
5617c6cd 17116 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17117 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
ffb9eb3d
KV		 17118 },
17119 {
17120 .cmd = NL80211_CMD_GET_POWER_SAVE,
ef6243ac 17121 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 17122 .doit = nl80211_get_power_save,
ffb9eb3d 17123 /* can be retrieved by unprivileged users */
2182db91 17124 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
ffb9eb3d 17125 },
d6dc1a38
JO		 17126 {
17127 .cmd = NL80211_CMD_SET_CQM,
ef6243ac 17128 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
d6dc1a38 17129 .doit = nl80211_set_cqm,
5617c6cd 17130 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17131 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
d6dc1a38 17132 },
f444de05
JB		 17133 {
17134 .cmd = NL80211_CMD_SET_CHANNEL,
ef6243ac 17135 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f444de05 17136 .doit = nl80211_set_channel,
5617c6cd 17137 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17138 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17139 NL80211_FLAG_MLO_VALID_LINK_ID),
f444de05 17140 },
29cbe68c
JB		 17141 {
17142 .cmd = NL80211_CMD_JOIN_MESH,
ef6243ac 17143 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 17144 .doit = nl80211_join_mesh,
5617c6cd 17145 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17146 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
29cbe68c
JB		 17147 },
17148 {
17149 .cmd = NL80211_CMD_LEAVE_MESH,
ef6243ac 17150 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 17151 .doit = nl80211_leave_mesh,
5617c6cd 17152 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17153 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
29cbe68c 17154 },
6e0bd6c3
RL		 17155 {
17156 .cmd = NL80211_CMD_JOIN_OCB,
ef6243ac 17157 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 17158 .doit = nl80211_join_ocb,
5617c6cd 17159 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17160 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
6e0bd6c3
RL		 17161 },
17162 {
17163 .cmd = NL80211_CMD_LEAVE_OCB,
ef6243ac 17164 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 17165 .doit = nl80211_leave_ocb,
5617c6cd 17166 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17167 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
6e0bd6c3 17168 },
dfb89c56 17169#ifdef CONFIG_PM
ff1b6e69
JB		 17170 {
17171 .cmd = NL80211_CMD_GET_WOWLAN,
ef6243ac 17172 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 17173 .doit = nl80211_get_wowlan,
ff1b6e69 17174 /* can be retrieved by unprivileged users */
2182db91 17175 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
ff1b6e69
JB		 17176 },
17177 {
17178 .cmd = NL80211_CMD_SET_WOWLAN,
ef6243ac 17179 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 17180 .doit = nl80211_set_wowlan,
5617c6cd 17181 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17182 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
ff1b6e69 17183 },
dfb89c56 17184#endif
e5497d76
JB		 17185 {
17186 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
ef6243ac 17187 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e5497d76 17188 .doit = nl80211_set_rekey_data,
5617c6cd 17189 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17190 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17191 NL80211_FLAG_CLEAR_SKB),
e5497d76 17192 },
109086ce
AN		 17193 {
17194 .cmd = NL80211_CMD_TDLS_MGMT,
ef6243ac 17195 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 17196 .doit = nl80211_tdls_mgmt,
5617c6cd 17197 .flags = GENL_UNS_ADMIN_PERM,
c6112046
MS		 17198 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17199 NL80211_FLAG_MLO_VALID_LINK_ID),
109086ce
AN		 17200 },
17201 {
17202 .cmd = NL80211_CMD_TDLS_OPER,
ef6243ac 17203 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 17204 .doit = nl80211_tdls_oper,
5617c6cd 17205 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17206 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
109086ce 17207 },
28946da7
JB		 17208 {
17209 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
ef6243ac 17210 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
28946da7 17211 .doit = nl80211_register_unexpected_frame,
5617c6cd 17212 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17213 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
28946da7 17214 },
7f6cf311
JB		 17215 {
17216 .cmd = NL80211_CMD_PROBE_CLIENT,
ef6243ac 17217 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
7f6cf311 17218 .doit = nl80211_probe_client,
5617c6cd 17219 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17220 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
7f6cf311 17221 },
5e760230
JB		 17222 {
17223 .cmd = NL80211_CMD_REGISTER_BEACONS,
ef6243ac 17224 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5e760230 17225 .doit = nl80211_register_beacons,
5617c6cd 17226 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17227 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
5e760230 17228 },
1d9d9213
SW		 17229 {
17230 .cmd = NL80211_CMD_SET_NOACK_MAP,
ef6243ac 17231 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1d9d9213 17232 .doit = nl80211_set_noack_map,
5617c6cd 17233 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17234 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
1d9d9213 17235 },
98104fde
JB		 17236 {
17237 .cmd = NL80211_CMD_START_P2P_DEVICE,
ef6243ac 17238 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 17239 .doit = nl80211_start_p2p_device,
5617c6cd 17240 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17241 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17242 NL80211_FLAG_NEED_RTNL),
98104fde
JB		 17243 },
17244 {
17245 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
ef6243ac 17246 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 17247 .doit = nl80211_stop_p2p_device,
5617c6cd 17248 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17249 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17250 NL80211_FLAG_NEED_RTNL),
cb3b7d87
AB		 17251 },
17252 {
17253 .cmd = NL80211_CMD_START_NAN,
ef6243ac 17254 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 17255 .doit = nl80211_start_nan,
cb3b7d87 17256 .flags = GENL_ADMIN_PERM,
2182db91
JB		 17257 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17258 NL80211_FLAG_NEED_RTNL),
cb3b7d87
AB		 17259 },
17260 {
17261 .cmd = NL80211_CMD_STOP_NAN,
ef6243ac 17262 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 17263 .doit = nl80211_stop_nan,
cb3b7d87 17264 .flags = GENL_ADMIN_PERM,
2182db91
JB		 17265 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17266 NL80211_FLAG_NEED_RTNL),
a442b761
AB		 17267 },
17268 {
17269 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
ef6243ac 17270 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 17271 .doit = nl80211_nan_add_func,
a442b761 17272 .flags = GENL_ADMIN_PERM,
2182db91 17273 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
a442b761
AB		 17274 },
17275 {
17276 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
ef6243ac 17277 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 17278 .doit = nl80211_nan_del_func,
a442b761 17279 .flags = GENL_ADMIN_PERM,
2182db91 17280 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
a5a9dcf2
AB		 17281 },
17282 {
17283 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
ef6243ac 17284 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a5a9dcf2 17285 .doit = nl80211_nan_change_config,
a5a9dcf2 17286 .flags = GENL_ADMIN_PERM,
2182db91 17287 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
98104fde 17288 },
f4e583c8
AQ		 17289 {
17290 .cmd = NL80211_CMD_SET_MCAST_RATE,
ef6243ac 17291 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f4e583c8 17292 .doit = nl80211_set_mcast_rate,
5617c6cd 17293 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17294 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
77765eaf
VT		 17295 },
17296 {
17297 .cmd = NL80211_CMD_SET_MAC_ACL,
ef6243ac 17298 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
77765eaf 17299 .doit = nl80211_set_mac_acl,
5617c6cd 17300 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17301 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17302 NL80211_FLAG_MLO_UNSUPPORTED),
f4e583c8 17303 },
04f39047
SW		 17304 {
17305 .cmd = NL80211_CMD_RADAR_DETECT,
ef6243ac 17306 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04f39047 17307 .doit = nl80211_start_radar_detection,
5617c6cd 17308 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17309 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
7b0a0e3c
JB		 17310 NL80211_FLAG_NO_WIPHY_MTX |
17311 NL80211_FLAG_MLO_UNSUPPORTED),
04f39047 17312 },
3713b4e3
JB		 17313 {
17314 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
ef6243ac 17315 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3713b4e3 17316 .doit = nl80211_get_protocol_features,
3713b4e3 17317 },
355199e0
JM		 17318 {
17319 .cmd = NL80211_CMD_UPDATE_FT_IES,
ef6243ac 17320 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
355199e0 17321 .doit = nl80211_update_ft_ies,
5617c6cd 17322 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17323 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
355199e0 17324 },
5de17984
AS		 17325 {
17326 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
ef6243ac 17327 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 17328 .doit = nl80211_crit_protocol_start,
5617c6cd 17329 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17330 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
5de17984
AS		 17331 },
17332 {
17333 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
ef6243ac 17334 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 17335 .doit = nl80211_crit_protocol_stop,
5617c6cd 17336 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17337 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
be29b99a
AK		 17338 },
17339 {
17340 .cmd = NL80211_CMD_GET_COALESCE,
ef6243ac 17341 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 17342 .doit = nl80211_get_coalesce,
2182db91 17343 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
be29b99a
AK		 17344 },
17345 {
17346 .cmd = NL80211_CMD_SET_COALESCE,
ef6243ac 17347 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 17348 .doit = nl80211_set_coalesce,
5617c6cd 17349 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17350 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16ef1fe2
SW		 17351 },
17352 {
17353 .cmd = NL80211_CMD_CHANNEL_SWITCH,
ef6243ac 17354 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16ef1fe2 17355 .doit = nl80211_channel_switch,
5617c6cd 17356 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17357 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17358 NL80211_FLAG_MLO_VALID_LINK_ID),
16ef1fe2 17359 },
ad7e718c
JB		 17360 {
17361 .cmd = NL80211_CMD_VENDOR,
ef6243ac 17362 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad7e718c 17363 .doit = nl80211_vendor_cmd,
7bdbe400 17364 .dumpit = nl80211_vendor_cmd_dump,
5617c6cd 17365 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17366 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17367 NL80211_FLAG_CLEAR_SKB),
ad7e718c 17368 },
fa9ffc74
KP		 17369 {
17370 .cmd = NL80211_CMD_SET_QOS_MAP,
ef6243ac 17371 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
fa9ffc74 17372 .doit = nl80211_set_qos_map,
5617c6cd 17373 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17374 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
fa9ffc74 17375 },
960d01ac
JB		 17376 {
17377 .cmd = NL80211_CMD_ADD_TX_TS,
ef6243ac 17378 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 17379 .doit = nl80211_add_tx_ts,
5617c6cd 17380 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17381 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17382 NL80211_FLAG_MLO_UNSUPPORTED),
960d01ac
JB		 17383 },
17384 {
17385 .cmd = NL80211_CMD_DEL_TX_TS,
ef6243ac 17386 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 17387 .doit = nl80211_del_tx_ts,
5617c6cd 17388 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17389 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
960d01ac 17390 },
1057d35e
AN		 17391 {
17392 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
ef6243ac 17393 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 17394 .doit = nl80211_tdls_channel_switch,
5617c6cd 17395 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17396 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
1057d35e
AN		 17397 },
17398 {
17399 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
ef6243ac 17400 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 17401 .doit = nl80211_tdls_cancel_channel_switch,
5617c6cd 17402 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17403 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
1057d35e 17404 },
ce0ce13a
MB		 17405 {
17406 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
ef6243ac 17407 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ce0ce13a 17408 .doit = nl80211_set_multicast_to_unicast,
ce0ce13a 17409 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17410 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
ce0ce13a 17411 },
3a00df57
AS		 17412 {
17413 .cmd = NL80211_CMD_SET_PMK,
ef6243ac 17414 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 17415 .doit = nl80211_set_pmk,
2182db91
JB		 17416 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17417 NL80211_FLAG_CLEAR_SKB),
3a00df57
AS		 17418 },
17419 {
17420 .cmd = NL80211_CMD_DEL_PMK,
ef6243ac 17421 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 17422 .doit = nl80211_del_pmk,
2182db91 17423 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
3a00df57 17424 },
40cbfa90
SD		 17425 {
17426 .cmd = NL80211_CMD_EXTERNAL_AUTH,
ef6243ac 17427 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
40cbfa90 17428 .doit = nl80211_external_auth,
40cbfa90 17429 .flags = GENL_ADMIN_PERM,
2182db91 17430 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
40cbfa90 17431 },
2576a9ac
DK		 17432 {
17433 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
ef6243ac 17434 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2576a9ac 17435 .doit = nl80211_tx_control_port,
2576a9ac 17436 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17437 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2576a9ac 17438 },
81e54d08
PKC		 17439 {
17440 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
ef6243ac 17441 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
81e54d08 17442 .doit = nl80211_get_ftm_responder_stats,
7b0a0e3c
JB		 17443 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17444 NL80211_FLAG_MLO_VALID_LINK_ID),
81e54d08 17445 },
9bb7e0f2
JB		 17446 {
17447 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
ef6243ac 17448 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9bb7e0f2 17449 .doit = nl80211_pmsr_start,
9bb7e0f2 17450 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17451 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
9bb7e0f2 17452 },
30c63115
S		 17453 {
17454 .cmd = NL80211_CMD_NOTIFY_RADAR,
ef6243ac 17455 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
30c63115 17456 .doit = nl80211_notify_radar_detection,
30c63115 17457 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17458 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
30c63115 17459 },
cb74e977
SD		 17460 {
17461 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
17462 .doit = nl80211_update_owe_info,
17463 .flags = GENL_ADMIN_PERM,
2182db91 17464 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
5ab92e7f
RM		 17465 },
17466 {
17467 .cmd = NL80211_CMD_PROBE_MESH_LINK,
17468 .doit = nl80211_probe_mesh_link,
17469 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17470 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
cb74e977 17471 },
77f576de
T		 17472 {
17473 .cmd = NL80211_CMD_SET_TID_CONFIG,
17474 .doit = nl80211_set_tid_config,
17475 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17476 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17477 NL80211_FLAG_MLO_VALID_LINK_ID),
77f576de 17478 },
6bdb68ce
CH		 17479 {
17480 .cmd = NL80211_CMD_SET_SAR_SPECS,
17481 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17482 .doit = nl80211_set_sar_specs,
17483 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17484 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17485 NL80211_FLAG_NEED_RTNL),
6bdb68ce 17486 },
0d2ab3ae
JC		 17487 {
17488 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
17489 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17490 .doit = nl80211_color_change,
17491 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17492 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
0d2ab3ae 17493 },
e306784a
SM		 17494 {
17495 .cmd = NL80211_CMD_SET_FILS_AAD,
17496 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17497 .doit = nl80211_set_fils_aad,
17498 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17499 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
e306784a 17500 },
7b0a0e3c
JB		 17501 {
17502 .cmd = NL80211_CMD_ADD_LINK,
17503 .doit = nl80211_add_link,
17504 .flags = GENL_UNS_ADMIN_PERM,
17505 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17506 },
17507 {
17508 .cmd = NL80211_CMD_REMOVE_LINK,
17509 .doit = nl80211_remove_link,
17510 .flags = GENL_UNS_ADMIN_PERM,
577e5b8c
ST		 17511 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17512 NL80211_FLAG_MLO_VALID_LINK_ID),
17513 },
17514 {
17515 .cmd = NL80211_CMD_ADD_LINK_STA,
17516 .doit = nl80211_add_link_station,
17517 .flags = GENL_UNS_ADMIN_PERM,
17518 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17519 NL80211_FLAG_MLO_VALID_LINK_ID),
17520 },
17521 {
17522 .cmd = NL80211_CMD_MODIFY_LINK_STA,
17523 .doit = nl80211_modify_link_station,
17524 .flags = GENL_UNS_ADMIN_PERM,
17525 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17526 NL80211_FLAG_MLO_VALID_LINK_ID),
17527 },
17528 {
17529 .cmd = NL80211_CMD_REMOVE_LINK_STA,
17530 .doit = nl80211_remove_link_station,
17531 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17532 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17533 NL80211_FLAG_MLO_VALID_LINK_ID),
17534 },
cbbaf2bb
AS		 17535 {
17536 .cmd = NL80211_CMD_SET_HW_TIMESTAMP,
17537 .doit = nl80211_set_hw_timestamp,
17538 .flags = GENL_UNS_ADMIN_PERM,
17539 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17540 },
b61e6b41
IP		 17541 {
17542 .cmd = NL80211_CMD_SET_TID_TO_LINK_MAPPING,
17543 .doit = nl80211_set_ttlm,
17544 .flags = GENL_UNS_ADMIN_PERM,
17545 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17546 },
55682965 17547};
9588bbd5 17548
56989f6d 17549static struct genl_family nl80211_fam __ro_after_init = {
489111e5
JB		 17550 .name = NL80211_GENL_NAME, /* have users key off the name instead */
17551 .hdrsize = 0, /* no private header */
17552 .version = 1, /* no particular meaning now */
17553 .maxattr = NL80211_ATTR_MAX,
3b0f31f2 17554 .policy = nl80211_policy,
489111e5
JB		 17555 .netnsok = true,
17556 .pre_doit = nl80211_pre_doit,
17557 .post_doit = nl80211_post_doit,
17558 .module = THIS_MODULE,
17559 .ops = nl80211_ops,
17560 .n_ops = ARRAY_SIZE(nl80211_ops),
66a9b928
JK		 17561 .small_ops = nl80211_small_ops,
17562 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
9c5d03d3 17563 .resv_start_op = NL80211_CMD_REMOVE_LINK_STA + 1,
489111e5
JB		 17564 .mcgrps = nl80211_mcgrps,
17565 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
50508d94 17566 .parallel_ops = true,
489111e5
JB		 17567};
17568
55682965
JB		 17569/* notification functions */
17570
3bb20556
JB		 17571void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
17572 enum nl80211_commands cmd)
55682965
JB		 17573{
17574 struct sk_buff *msg;
86e8cf98 17575 struct nl80211_dump_wiphy_state state = {};
55682965 17576
3bb20556
JB		 17577 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
17578 cmd != NL80211_CMD_DEL_WIPHY);
17579
fd2120ca 17580 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965
JB		 17581 if (!msg)
17582 return;
17583
3bb20556 17584 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
55682965
JB		 17585 nlmsg_free(msg);
17586 return;
17587 }
17588
68eb5503 17589 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17590 NL80211_MCGRP_CONFIG, GFP_KERNEL);
55682965
JB		 17591}
17592
896ff063
DK		 17593void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
17594 struct wireless_dev *wdev,
17595 enum nl80211_commands cmd)
17596{
17597 struct sk_buff *msg;
17598
896ff063
DK		 17599 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17600 if (!msg)
17601 return;
17602
3d1a5bbf 17603 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
896ff063
DK		 17604 nlmsg_free(msg);
17605 return;
17606 }
17607
17608 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17609 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17610}
17611
362a415d
JB		 17612static int nl80211_add_scan_req(struct sk_buff *msg,
17613 struct cfg80211_registered_device *rdev)
17614{
17615 struct cfg80211_scan_request *req = rdev->scan_req;
17616 struct nlattr *nest;
17617 int i;
c8cb5b85 17618 struct cfg80211_scan_info *info;
362a415d
JB		 17619
17620 if (WARN_ON(!req))
17621 return 0;
17622
ae0be8de 17623 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
362a415d
JB		 17624 if (!nest)
17625 goto nla_put_failure;
9360ffd1
DM		 17626 for (i = 0; i < req->n_ssids; i++) {
17627 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
17628 goto nla_put_failure;
17629 }
362a415d
JB		 17630 nla_nest_end(msg, nest);
17631
2032f3b2
TP		 17632 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
17633 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
17634 if (!nest)
17635 goto nla_put_failure;
17636 for (i = 0; i < req->n_channels; i++) {
17637 if (nla_put_u32(msg, i,
17638 ieee80211_channel_to_khz(req->channels[i])))
17639 goto nla_put_failure;
17640 }
17641 nla_nest_end(msg, nest);
17642 } else {
17643 nest = nla_nest_start_noflag(msg,
17644 NL80211_ATTR_SCAN_FREQUENCIES);
17645 if (!nest)
9360ffd1 17646 goto nla_put_failure;
2032f3b2
TP		 17647 for (i = 0; i < req->n_channels; i++) {
17648 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
17649 goto nla_put_failure;
17650 }
17651 nla_nest_end(msg, nest);
9360ffd1 17652 }
362a415d 17653
9360ffd1
DM		 17654 if (req->ie &&
17655 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
17656 goto nla_put_failure;
362a415d 17657
ae917c9f
JB		 17658 if (req->flags &&
17659 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
17660 goto nla_put_failure;
ed473771 17661
c8cb5b85
TM		 17662 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
17663 &rdev->scan_req->info;
17664 if (info->scan_start_tsf &&
1d76250b 17665 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
c8cb5b85 17666 info->scan_start_tsf, NL80211_BSS_PAD) ||
1d76250b 17667 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
c8cb5b85 17668 info->tsf_bssid)))
1d76250b
AS		 17669 goto nla_put_failure;
17670
362a415d
JB		 17671 return 0;
17672 nla_put_failure:
17673 return -ENOBUFS;
17674}
17675
505a2e88 17676static int nl80211_prep_scan_msg(struct sk_buff *msg,
a538e2d5 17677 struct cfg80211_registered_device *rdev,
fd014284 17678 struct wireless_dev *wdev,
15e47304 17679 u32 portid, u32 seq, int flags,
a538e2d5 17680 u32 cmd)
2a519311
JB		 17681{
17682 void *hdr;
17683
15e47304 17684 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2a519311
JB		 17685 if (!hdr)
17686 return -1;
17687
9360ffd1 17688 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
fd014284
JB		 17689 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17690 wdev->netdev->ifindex)) ||
2dad624e
ND		 17691 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17692 NL80211_ATTR_PAD))
9360ffd1 17693 goto nla_put_failure;
2a519311 17694
362a415d
JB		 17695 /* ignore errors and send incomplete event anyway */
17696 nl80211_add_scan_req(msg, rdev);
2a519311 17697
053c095a
JB		 17698 genlmsg_end(msg, hdr);
17699 return 0;
2a519311
JB		 17700
17701 nla_put_failure:
17702 genlmsg_cancel(msg, hdr);
17703 return -EMSGSIZE;
17704}
17705
807f8a8c 17706static int
505a2e88 17707nl80211_prep_sched_scan_msg(struct sk_buff *msg,
96b08fd6 17708 struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 17709{
17710 void *hdr;
17711
96b08fd6 17712 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
807f8a8c
LC		 17713 if (!hdr)
17714 return -1;
17715
96b08fd6
AVS		 17716 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
17717 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
17718 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
17719 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
17720 NL80211_ATTR_PAD))
9360ffd1 17721 goto nla_put_failure;
807f8a8c 17722
053c095a
JB		 17723 genlmsg_end(msg, hdr);
17724 return 0;
807f8a8c
LC		 17725
17726 nla_put_failure:
17727 genlmsg_cancel(msg, hdr);
17728 return -EMSGSIZE;
17729}
17730
a538e2d5 17731void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
fd014284 17732 struct wireless_dev *wdev)
a538e2d5
JB		 17733{
17734 struct sk_buff *msg;
17735
58050fce 17736 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
a538e2d5
JB		 17737 if (!msg)
17738 return;
17739
505a2e88 17740 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
a538e2d5
JB		 17741 NL80211_CMD_TRIGGER_SCAN) < 0) {
17742 nlmsg_free(msg);
17743 return;
17744 }
17745
68eb5503 17746 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17747 NL80211_MCGRP_SCAN, GFP_KERNEL);
a538e2d5
JB		 17748}
17749
f9d15d16
JB		 17750struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
17751 struct wireless_dev *wdev, bool aborted)
2a519311
JB		 17752{
17753 struct sk_buff *msg;
17754
fd2120ca 17755 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2a519311 17756 if (!msg)
f9d15d16 17757 return NULL;
2a519311 17758
505a2e88 17759 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
f9d15d16
JB		 17760 aborted ? NL80211_CMD_SCAN_ABORTED :
17761 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
2a519311 17762 nlmsg_free(msg);
f9d15d16 17763 return NULL;
2a519311
JB		 17764 }
17765
f9d15d16 17766 return msg;
2a519311
JB		 17767}
17768
505a2e88
AVS		 17769/* send message created by nl80211_build_scan_msg() */
17770void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
17771 struct sk_buff *msg)
807f8a8c 17772{
807f8a8c
LC		 17773 if (!msg)
17774 return;
17775
68eb5503 17776 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17777 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 17778}
17779
96b08fd6 17780void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 17781{
17782 struct sk_buff *msg;
17783
58050fce 17784 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
807f8a8c
LC		 17785 if (!msg)
17786 return;
17787
96b08fd6 17788 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
807f8a8c
LC		 17789 nlmsg_free(msg);
17790 return;
17791 }
17792
96b08fd6 17793 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
2a94fe48 17794 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 17795}
17796
b0d7aa59
JD		 17797static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
17798 struct regulatory_request *request)
73d54c9e 17799{
73d54c9e 17800 /* Userspace can always count this one always being set */
9360ffd1
DM		 17801 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
17802 goto nla_put_failure;
17803
17804 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
17805 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17806 NL80211_REGDOM_TYPE_WORLD))
17807 goto nla_put_failure;
17808 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
17809 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17810 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
17811 goto nla_put_failure;
17812 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
17813 request->intersect) {
17814 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17815 NL80211_REGDOM_TYPE_INTERSECTION))
17816 goto nla_put_failure;
17817 } else {
17818 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17819 NL80211_REGDOM_TYPE_COUNTRY) ||
17820 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
17821 request->alpha2))
17822 goto nla_put_failure;
17823 }
17824
ad30ca2c
AN		 17825 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
17826 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
17827
17828 if (wiphy &&
17829 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
17830 goto nla_put_failure;
1bdd716c
AN		 17831
17832 if (wiphy &&
17833 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
17834 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
17835 goto nla_put_failure;
ad30ca2c 17836 }
73d54c9e 17837
b0d7aa59
JD		 17838 return true;
17839
17840nla_put_failure:
17841 return false;
17842}
17843
17844/*
17845 * This can happen on global regulatory changes or device specific settings
17846 * based on custom regulatory domains.
17847 */
17848void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
17849 struct regulatory_request *request)
17850{
17851 struct sk_buff *msg;
17852 void *hdr;
17853
17854 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17855 if (!msg)
17856 return;
17857
17858 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
24f6d765 17859 if (!hdr)
17860 goto nla_put_failure;
b0d7aa59 17861
24f6d765 17862 if (!nl80211_reg_change_event_fill(msg, request))
b0d7aa59
JD		 17863 goto nla_put_failure;
17864
3b7b72ee 17865 genlmsg_end(msg, hdr);
73d54c9e 17866
bc43b28c 17867 rcu_read_lock();
68eb5503 17868 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 17869 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
bc43b28c 17870 rcu_read_unlock();
73d54c9e
LR		 17871
17872 return;
17873
17874nla_put_failure:
73d54c9e
LR		 17875 nlmsg_free(msg);
17876}
17877
ccf7dd94
JB		 17878struct nl80211_mlme_event {
17879 enum nl80211_commands cmd;
17880 const u8 *buf;
17881 size_t buf_len;
17882 int uapsd_queues;
17883 const u8 *req_ies;
17884 size_t req_ies_len;
17885 bool reconnect;
17886};
17887
6039f6d2
JM		 17888static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
17889 struct net_device *netdev,
ccf7dd94
JB		 17890 const struct nl80211_mlme_event *event,
17891 gfp_t gfp)
6039f6d2
JM		 17892{
17893 struct sk_buff *msg;
17894 void *hdr;
17895
ccf7dd94 17896 msg = nlmsg_new(100 + event->buf_len + event->req_ies_len, gfp);
6039f6d2
JM		 17897 if (!msg)
17898 return;
17899
ccf7dd94 17900 hdr = nl80211hdr_put(msg, 0, 0, 0, event->cmd);
6039f6d2
JM		 17901 if (!hdr) {
17902 nlmsg_free(msg);
17903 return;
17904 }
17905
9360ffd1
DM		 17906 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17907 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
ccf7dd94
JB		 17908 nla_put(msg, NL80211_ATTR_FRAME, event->buf_len, event->buf) ||
17909 (event->req_ies &&
17910 nla_put(msg, NL80211_ATTR_REQ_IE, event->req_ies_len,
17911 event->req_ies)))
9360ffd1 17912 goto nla_put_failure;
6039f6d2 17913
ccf7dd94
JB		 17914 if (event->reconnect &&
17915 nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
3bb02143
JB		 17916 goto nla_put_failure;
17917
ccf7dd94 17918 if (event->uapsd_queues >= 0) {
b0b6aa2c 17919 struct nlattr *nla_wmm =
ae0be8de 17920 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
b0b6aa2c
EP		 17921 if (!nla_wmm)
17922 goto nla_put_failure;
17923
17924 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
ccf7dd94 17925 event->uapsd_queues))
b0b6aa2c
EP		 17926 goto nla_put_failure;
17927
17928 nla_nest_end(msg, nla_wmm);
17929 }
17930
3b7b72ee 17931 genlmsg_end(msg, hdr);
6039f6d2 17932
68eb5503 17933 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17934 NL80211_MCGRP_MLME, gfp);
6039f6d2
JM		 17935 return;
17936
17937 nla_put_failure:
6039f6d2
JM		 17938 nlmsg_free(msg);
17939}
17940
17941void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 17942 struct net_device *netdev, const u8 *buf,
17943 size_t len, gfp_t gfp)
6039f6d2 17944{
ccf7dd94
JB		 17945 struct nl80211_mlme_event event = {
17946 .cmd = NL80211_CMD_AUTHENTICATE,
17947 .buf = buf,
17948 .buf_len = len,
17949 .uapsd_queues = -1,
17950 };
17951
17952 nl80211_send_mlme_event(rdev, netdev, &event, gfp);
6039f6d2
JM		 17953}
17954
17955void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
cd47c0f5 17956 struct net_device *netdev,
88f29324 17957 const struct cfg80211_rx_assoc_resp_data *data)
6039f6d2 17958{
ccf7dd94
JB		 17959 struct nl80211_mlme_event event = {
17960 .cmd = NL80211_CMD_ASSOCIATE,
17961 .buf = data->buf,
17962 .buf_len = data->len,
17963 .uapsd_queues = data->uapsd_queues,
17964 .req_ies = data->req_ies,
17965 .req_ies_len = data->req_ies_len,
17966 };
17967
17968 nl80211_send_mlme_event(rdev, netdev, &event, GFP_KERNEL);
6039f6d2
JM		 17969}
17970
53b46b84 17971void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
e6d6e342 17972 struct net_device *netdev, const u8 *buf,
3bb02143 17973 size_t len, bool reconnect, gfp_t gfp)
6039f6d2 17974{
ccf7dd94
JB		 17975 struct nl80211_mlme_event event = {
17976 .cmd = NL80211_CMD_DEAUTHENTICATE,
17977 .buf = buf,
17978 .buf_len = len,
17979 .reconnect = reconnect,
17980 .uapsd_queues = -1,
17981 };
17982
17983 nl80211_send_mlme_event(rdev, netdev, &event, gfp);
6039f6d2
JM		 17984}
17985
53b46b84
JM		 17986void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
17987 struct net_device *netdev, const u8 *buf,
3bb02143 17988 size_t len, bool reconnect, gfp_t gfp)
6039f6d2 17989{
ccf7dd94
JB		 17990 struct nl80211_mlme_event event = {
17991 .cmd = NL80211_CMD_DISASSOCIATE,
17992 .buf = buf,
17993 .buf_len = len,
17994 .reconnect = reconnect,
17995 .uapsd_queues = -1,
17996 };
17997
17998 nl80211_send_mlme_event(rdev, netdev, &event, gfp);
6039f6d2
JM		 17999}
18000
6ff57cf8
JB		 18001void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
18002 size_t len)
cf4e594e 18003{
947add36
JB		 18004 struct wireless_dev *wdev = dev->ieee80211_ptr;
18005 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18006 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
6ff57cf8 18007 const struct ieee80211_mgmt *mgmt = (void *)buf;
ccf7dd94
JB		 18008 struct nl80211_mlme_event event = {
18009 .buf = buf,
18010 .buf_len = len,
18011 .uapsd_queues = -1,
18012 };
947add36 18013
6ff57cf8
JB		 18014 if (WARN_ON(len < 2))
18015 return;
cf4e594e 18016
4d797fce 18017 if (ieee80211_is_deauth(mgmt->frame_control)) {
ccf7dd94 18018 event.cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
4d797fce 18019 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
ccf7dd94 18020 event.cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
4d797fce
JM		 18021 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
18022 if (wdev->unprot_beacon_reported &&
18023 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
18024 return;
ccf7dd94 18025 event.cmd = NL80211_CMD_UNPROT_BEACON;
4d797fce
JM		 18026 wdev->unprot_beacon_reported = jiffies;
18027 } else {
18028 return;
18029 }
947add36 18030
6ff57cf8 18031 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
ccf7dd94 18032 nl80211_send_mlme_event(rdev, dev, &event, GFP_ATOMIC);
cf4e594e 18033}
6ff57cf8 18034EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
cf4e594e 18035
1b06bb40
LR		 18036static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
18037 struct net_device *netdev, int cmd,
e6d6e342 18038 const u8 *addr, gfp_t gfp)
1965c853
JM		 18039{
18040 struct sk_buff *msg;
18041 void *hdr;
18042
e6d6e342 18043 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
1965c853
JM		 18044 if (!msg)
18045 return;
18046
18047 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18048 if (!hdr) {
18049 nlmsg_free(msg);
18050 return;
18051 }
18052
9360ffd1
DM		 18053 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18054 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18055 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
18056 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18057 goto nla_put_failure;
1965c853 18058
3b7b72ee 18059 genlmsg_end(msg, hdr);
1965c853 18060
68eb5503 18061 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18062 NL80211_MCGRP_MLME, gfp);
1965c853
JM		 18063 return;
18064
18065 nla_put_failure:
1965c853
JM		 18066 nlmsg_free(msg);
18067}
18068
18069void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 18070 struct net_device *netdev, const u8 *addr,
18071 gfp_t gfp)
1965c853
JM		 18072{
18073 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
e6d6e342 18074 addr, gfp);
1965c853
JM		 18075}
18076
18077void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 18078 struct net_device *netdev, const u8 *addr,
18079 gfp_t gfp)
1965c853 18080{
e6d6e342
JB		 18081 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
18082 addr, gfp);
1965c853
JM		 18083}
18084
b23aa676 18085void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
5349a0f7
VK		 18086 struct net_device *netdev,
18087 struct cfg80211_connect_resp_params *cr,
3093ebbe 18088 gfp_t gfp)
b23aa676
SO		 18089{
18090 struct sk_buff *msg;
18091 void *hdr;
efbabc11
VJ		 18092 unsigned int link;
18093 size_t link_info_size = 0;
18094 const u8 *connected_addr = cr->valid_links ?
18095 cr->ap_mld_addr : cr->links[0].bssid;
18096
18097 if (cr->valid_links) {
18098 for_each_valid_link(cr, link) {
18099 /* Nested attribute header */
18100 link_info_size += NLA_HDRLEN;
18101 /* Link ID */
18102 link_info_size += nla_total_size(sizeof(u8));
18103 link_info_size += cr->links[link].addr ?
18104 nla_total_size(ETH_ALEN) : 0;
18105 link_info_size += (cr->links[link].bssid ||
18106 cr->links[link].bss) ?
18107 nla_total_size(ETH_ALEN) : 0;
53ad07e9 18108 link_info_size += nla_total_size(sizeof(u16));
efbabc11
VJ		 18109 }
18110 }
b23aa676 18111
a3caf744 18112 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
76804d28 18113 cr->fils.kek_len + cr->fils.pmk_len +
efbabc11
VJ		 18114 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
18115 gfp);
b23aa676
SO		 18116 if (!msg)
18117 return;
18118
18119 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
18120 if (!hdr) {
18121 nlmsg_free(msg);
18122 return;
18123 }
18124
9360ffd1
DM		 18125 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18126 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
efbabc11
VJ		 18127 (connected_addr &&
18128 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr)) ||
bf1ecd21 18129 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
5349a0f7
VK		 18130 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
18131 cr->status) ||
18132 (cr->status < 0 &&
3093ebbe 18133 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
5349a0f7
VK		 18134 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
18135 cr->timeout_reason))) ||
18136 (cr->req_ie &&
18137 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
18138 (cr->resp_ie &&
18139 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
a3caf744 18140 cr->resp_ie)) ||
76804d28 18141 (cr->fils.update_erp_next_seq_num &&
a3caf744 18142 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
76804d28 18143 cr->fils.erp_next_seq_num)) ||
a3caf744 18144 (cr->status == WLAN_STATUS_SUCCESS &&
76804d28
AVS		 18145 ((cr->fils.kek &&
18146 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
18147 cr->fils.kek)) ||
18148 (cr->fils.pmk &&
18149 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
18150 (cr->fils.pmkid &&
18151 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
9360ffd1 18152 goto nla_put_failure;
b23aa676 18153
efbabc11
VJ		 18154 if (cr->valid_links) {
18155 int i = 1;
18156 struct nlattr *nested;
18157
18158 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18159 if (!nested)
18160 goto nla_put_failure;
18161
18162 for_each_valid_link(cr, link) {
18163 struct nlattr *nested_mlo_links;
18164 const u8 *bssid = cr->links[link].bss ?
18165 cr->links[link].bss->bssid :
18166 cr->links[link].bssid;
18167
18168 nested_mlo_links = nla_nest_start(msg, i);
18169 if (!nested_mlo_links)
18170 goto nla_put_failure;
18171
18172 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18173 (bssid &&
18174 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18175 (cr->links[link].addr &&
18176 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
53ad07e9
JB		 18177 cr->links[link].addr)) ||
18178 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
18179 cr->links[link].status))
efbabc11
VJ		 18180 goto nla_put_failure;
18181
18182 nla_nest_end(msg, nested_mlo_links);
18183 i++;
18184 }
18185 nla_nest_end(msg, nested);
18186 }
18187
3b7b72ee 18188 genlmsg_end(msg, hdr);
b23aa676 18189
68eb5503 18190 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18191 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 18192 return;
18193
18194 nla_put_failure:
b23aa676 18195 nlmsg_free(msg);
b23aa676
SO		 18196}
18197
18198void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
29ce6ecb
AS		 18199 struct net_device *netdev,
18200 struct cfg80211_roam_info *info, gfp_t gfp)
b23aa676
SO		 18201{
18202 struct sk_buff *msg;
18203 void *hdr;
efbabc11
VJ		 18204 size_t link_info_size = 0;
18205 unsigned int link;
18206 const u8 *connected_addr = info->ap_mld_addr ?
18207 info->ap_mld_addr :
18208 (info->links[0].bss ?
18209 info->links[0].bss->bssid :
18210 info->links[0].bssid);
18211
18212 if (info->valid_links) {
18213 for_each_valid_link(info, link) {
18214 /* Nested attribute header */
18215 link_info_size += NLA_HDRLEN;
18216 /* Link ID */
18217 link_info_size += nla_total_size(sizeof(u8));
18218 link_info_size += info->links[link].addr ?
18219 nla_total_size(ETH_ALEN) : 0;
18220 link_info_size += (info->links[link].bssid ||
18221 info->links[link].bss) ?
18222 nla_total_size(ETH_ALEN) : 0;
18223 }
18224 }
b23aa676 18225
e841b7b1
AVS		 18226 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
18227 info->fils.kek_len + info->fils.pmk_len +
efbabc11
VJ		 18228 (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
18229 link_info_size, gfp);
b23aa676
SO		 18230 if (!msg)
18231 return;
18232
18233 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
18234 if (!hdr) {
18235 nlmsg_free(msg);
18236 return;
18237 }
18238
9360ffd1
DM		 18239 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18240 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
efbabc11 18241 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
29ce6ecb
AS		 18242 (info->req_ie &&
18243 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
18244 info->req_ie)) ||
18245 (info->resp_ie &&
18246 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
e841b7b1
AVS		 18247 info->resp_ie)) ||
18248 (info->fils.update_erp_next_seq_num &&
18249 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
18250 info->fils.erp_next_seq_num)) ||
18251 (info->fils.kek &&
18252 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
18253 info->fils.kek)) ||
18254 (info->fils.pmk &&
18255 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
18256 (info->fils.pmkid &&
18257 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
9360ffd1 18258 goto nla_put_failure;
b23aa676 18259
efbabc11
VJ		 18260 if (info->valid_links) {
18261 int i = 1;
18262 struct nlattr *nested;
18263
18264 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18265 if (!nested)
18266 goto nla_put_failure;
18267
18268 for_each_valid_link(info, link) {
18269 struct nlattr *nested_mlo_links;
18270 const u8 *bssid = info->links[link].bss ?
18271 info->links[link].bss->bssid :
18272 info->links[link].bssid;
18273
18274 nested_mlo_links = nla_nest_start(msg, i);
18275 if (!nested_mlo_links)
18276 goto nla_put_failure;
18277
18278 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18279 (bssid &&
18280 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18281 (info->links[link].addr &&
18282 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
18283 info->links[link].addr)))
18284 goto nla_put_failure;
18285
18286 nla_nest_end(msg, nested_mlo_links);
18287 i++;
18288 }
18289 nla_nest_end(msg, nested);
18290 }
18291
3b7b72ee 18292 genlmsg_end(msg, hdr);
b23aa676 18293
68eb5503 18294 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18295 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 18296 return;
18297
503c1fb9 18298 nla_put_failure:
503c1fb9
AS		 18299 nlmsg_free(msg);
18300}
18301
18302void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
e4e7e3af 18303 struct net_device *netdev, const u8 *peer_addr,
0ff57171 18304 const u8 *td_bitmap, u8 td_bitmap_len)
503c1fb9
AS		 18305{
18306 struct sk_buff *msg;
18307 void *hdr;
18308
18309 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18310 if (!msg)
18311 return;
18312
18313 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
18314 if (!hdr) {
18315 nlmsg_free(msg);
18316 return;
18317 }
18318
f4d75993
CHH		 18319 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18320 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
e4e7e3af 18321 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_addr))
503c1fb9
AS		 18322 goto nla_put_failure;
18323
0ff57171
VY		 18324 if ((td_bitmap_len > 0) && td_bitmap)
18325 if (nla_put(msg, NL80211_ATTR_TD_BITMAP,
18326 td_bitmap_len, td_bitmap))
18327 goto nla_put_failure;
18328
503c1fb9
AS		 18329 genlmsg_end(msg, hdr);
18330
18331 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18332 NL80211_MCGRP_MLME, GFP_KERNEL);
18333 return;
18334
b23aa676 18335 nla_put_failure:
b23aa676 18336 nlmsg_free(msg);
b23aa676
SO		 18337}
18338
18339void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
18340 struct net_device *netdev, u16 reason,
667503dd 18341 const u8 *ie, size_t ie_len, bool from_ap)
b23aa676
SO		 18342{
18343 struct sk_buff *msg;
18344 void *hdr;
18345
4ef8c1c9 18346 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
b23aa676
SO		 18347 if (!msg)
18348 return;
18349
18350 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
18351 if (!hdr) {
18352 nlmsg_free(msg);
18353 return;
18354 }
18355
9360ffd1
DM		 18356 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18357 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
86b6c465 18358 (reason &&
9360ffd1
DM		 18359 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
18360 (from_ap &&
18361 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
18362 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
18363 goto nla_put_failure;
b23aa676 18364
3b7b72ee 18365 genlmsg_end(msg, hdr);
b23aa676 18366
68eb5503 18367 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18368 NL80211_MCGRP_MLME, GFP_KERNEL);
b23aa676
SO		 18369 return;
18370
18371 nla_put_failure:
b23aa676 18372 nlmsg_free(msg);
b23aa676
SO		 18373}
18374
065563b2
VJ		 18375void cfg80211_links_removed(struct net_device *dev, u16 link_mask)
18376{
18377 struct wireless_dev *wdev = dev->ieee80211_ptr;
18378 struct wiphy *wiphy = wdev->wiphy;
18379 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18380 struct sk_buff *msg;
18381 struct nlattr *links;
18382 void *hdr;
18383
076fc877 18384 lockdep_assert_wiphy(wdev->wiphy);
065563b2
VJ		 18385 trace_cfg80211_links_removed(dev, link_mask);
18386
18387 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
18388 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
18389 return;
18390
18391 if (WARN_ON(!wdev->valid_links || !link_mask ||
18392 (wdev->valid_links & link_mask) != link_mask ||
18393 wdev->valid_links == link_mask))
18394 return;
18395
18396 cfg80211_wdev_release_link_bsses(wdev, link_mask);
18397 wdev->valid_links &= ~link_mask;
18398
18399 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18400 if (!msg)
18401 return;
18402
18403 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_LINKS_REMOVED);
18404 if (!hdr) {
18405 nlmsg_free(msg);
18406 return;
18407 }
18408
18409 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18410 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
18411 goto nla_put_failure;
18412
18413 links = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18414 if (!links)
18415 goto nla_put_failure;
18416
18417 while (link_mask) {
18418 struct nlattr *link;
18419 int link_id = __ffs(link_mask);
18420
18421 link = nla_nest_start(msg, link_id + 1);
18422 if (!link)
18423 goto nla_put_failure;
18424
18425 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
18426 goto nla_put_failure;
18427
18428 nla_nest_end(msg, link);
18429 link_mask &= ~(1 << link_id);
18430 }
18431
18432 nla_nest_end(msg, links);
18433
18434 genlmsg_end(msg, hdr);
18435
18436 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18437 NL80211_MCGRP_MLME, GFP_KERNEL);
18438 return;
18439
18440 nla_put_failure:
18441 nlmsg_free(msg);
18442}
18443EXPORT_SYMBOL(cfg80211_links_removed);
18444
04a773ad
JB		 18445void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
18446 struct net_device *netdev, const u8 *bssid,
18447 gfp_t gfp)
18448{
18449 struct sk_buff *msg;
18450 void *hdr;
18451
fd2120ca 18452 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
04a773ad
JB		 18453 if (!msg)
18454 return;
18455
18456 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
18457 if (!hdr) {
18458 nlmsg_free(msg);
18459 return;
18460 }
18461
9360ffd1
DM		 18462 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18463 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18464 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18465 goto nla_put_failure;
04a773ad 18466
3b7b72ee 18467 genlmsg_end(msg, hdr);
04a773ad 18468
68eb5503 18469 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18470 NL80211_MCGRP_MLME, gfp);
04a773ad
JB		 18471 return;
18472
18473 nla_put_failure:
04a773ad
JB		 18474 nlmsg_free(msg);
18475}
18476
947add36 18477void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
ecbc12ad
BC		 18478 const u8 *ie, u8 ie_len,
18479 int sig_dbm, gfp_t gfp)
c93b5e71 18480{
947add36 18481 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 18482 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
c93b5e71
JC		 18483 struct sk_buff *msg;
18484 void *hdr;
18485
947add36
JB		 18486 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
18487 return;
18488
18489 trace_cfg80211_notify_new_peer_candidate(dev, addr);
18490
4ef8c1c9 18491 msg = nlmsg_new(100 + ie_len, gfp);
c93b5e71
JC		 18492 if (!msg)
18493 return;
18494
18495 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
18496 if (!hdr) {
18497 nlmsg_free(msg);
18498 return;
18499 }
18500
9360ffd1 18501 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36
JB		 18502 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18503 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9360ffd1 18504 (ie_len && ie &&
ecbc12ad
BC		 18505 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
18506 (sig_dbm &&
18507 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
9360ffd1 18508 goto nla_put_failure;
c93b5e71 18509
3b7b72ee 18510 genlmsg_end(msg, hdr);
c93b5e71 18511
68eb5503 18512 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18513 NL80211_MCGRP_MLME, gfp);
c93b5e71
JC		 18514 return;
18515
18516 nla_put_failure:
c93b5e71
JC		 18517 nlmsg_free(msg);
18518}
947add36 18519EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
c93b5e71 18520
a3b8b056
JM		 18521void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
18522 struct net_device *netdev, const u8 *addr,
18523 enum nl80211_key_type key_type, int key_id,
e6d6e342 18524 const u8 *tsc, gfp_t gfp)
a3b8b056
JM		 18525{
18526 struct sk_buff *msg;
18527 void *hdr;
18528
e6d6e342 18529 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
a3b8b056
JM		 18530 if (!msg)
18531 return;
18532
18533 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
18534 if (!hdr) {
18535 nlmsg_free(msg);
18536 return;
18537 }
18538
9360ffd1
DM		 18539 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18540 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18541 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
18542 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
18543 (key_id != -1 &&
18544 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
18545 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
18546 goto nla_put_failure;
a3b8b056 18547
3b7b72ee 18548 genlmsg_end(msg, hdr);
a3b8b056 18549
68eb5503 18550 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18551 NL80211_MCGRP_MLME, gfp);
a3b8b056
JM		 18552 return;
18553
18554 nla_put_failure:
a3b8b056
JM		 18555 nlmsg_free(msg);
18556}
18557
6bad8766
LR		 18558void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
18559 struct ieee80211_channel *channel_before,
18560 struct ieee80211_channel *channel_after)
18561{
18562 struct sk_buff *msg;
18563 void *hdr;
18564 struct nlattr *nl_freq;
18565
fd2120ca 18566 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
6bad8766
LR		 18567 if (!msg)
18568 return;
18569
18570 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
18571 if (!hdr) {
18572 nlmsg_free(msg);
18573 return;
18574 }
18575
18576 /*
18577 * Since we are applying the beacon hint to a wiphy we know its
18578 * wiphy_idx is valid
18579 */
9360ffd1
DM		 18580 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
18581 goto nla_put_failure;
6bad8766
LR		 18582
18583 /* Before */
ae0be8de 18584 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
6bad8766
LR		 18585 if (!nl_freq)
18586 goto nla_put_failure;
50f32718
HD		 18587
18588 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
6bad8766
LR		 18589 goto nla_put_failure;
18590 nla_nest_end(msg, nl_freq);
18591
18592 /* After */
ae0be8de 18593 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
6bad8766
LR		 18594 if (!nl_freq)
18595 goto nla_put_failure;
50f32718
HD		 18596
18597 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
6bad8766
LR		 18598 goto nla_put_failure;
18599 nla_nest_end(msg, nl_freq);
18600
3b7b72ee 18601 genlmsg_end(msg, hdr);
6bad8766 18602
463d0183 18603 rcu_read_lock();
68eb5503 18604 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 18605 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
463d0183 18606 rcu_read_unlock();
6bad8766
LR		 18607
18608 return;
18609
18610nla_put_failure:
6bad8766
LR		 18611 nlmsg_free(msg);
18612}
18613
9588bbd5
JM		 18614static void nl80211_send_remain_on_chan_event(
18615 int cmd, struct cfg80211_registered_device *rdev,
71bbc994 18616 struct wireless_dev *wdev, u64 cookie,
9588bbd5 18617 struct ieee80211_channel *chan,
9588bbd5
JM		 18618 unsigned int duration, gfp_t gfp)
18619{
18620 struct sk_buff *msg;
18621 void *hdr;
18622
18623 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18624 if (!msg)
18625 return;
18626
18627 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18628 if (!hdr) {
18629 nlmsg_free(msg);
18630 return;
18631 }
18632
9360ffd1 18633 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 18634 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18635 wdev->netdev->ifindex)) ||
2dad624e
ND		 18636 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18637 NL80211_ATTR_PAD) ||
9360ffd1 18638 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
42d97a59
JB		 18639 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
18640 NL80211_CHAN_NO_HT) ||
2dad624e
ND		 18641 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
18642 NL80211_ATTR_PAD))
9360ffd1 18643 goto nla_put_failure;
9588bbd5 18644
9360ffd1
DM		 18645 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
18646 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
18647 goto nla_put_failure;
9588bbd5 18648
3b7b72ee 18649 genlmsg_end(msg, hdr);
9588bbd5 18650
68eb5503 18651 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18652 NL80211_MCGRP_MLME, gfp);
9588bbd5
JM		 18653 return;
18654
18655 nla_put_failure:
9588bbd5
JM		 18656 nlmsg_free(msg);
18657}
18658
a083ee8a 18659void cfg80211_assoc_comeback(struct net_device *netdev,
e69dac88 18660 const u8 *ap_addr, u32 timeout)
a083ee8a
IP		 18661{
18662 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18663 struct wiphy *wiphy = wdev->wiphy;
18664 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18665 struct sk_buff *msg;
18666 void *hdr;
18667
e69dac88 18668 trace_cfg80211_assoc_comeback(wdev, ap_addr, timeout);
a083ee8a
IP		 18669
18670 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18671 if (!msg)
18672 return;
18673
18674 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK);
18675 if (!hdr) {
18676 nlmsg_free(msg);
18677 return;
18678 }
18679
18680 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18681 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
e69dac88 18682 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ap_addr) ||
a083ee8a
IP		 18683 nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout))
18684 goto nla_put_failure;
18685
18686 genlmsg_end(msg, hdr);
18687
18688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18689 NL80211_MCGRP_MLME, GFP_KERNEL);
18690 return;
18691
18692 nla_put_failure:
18693 nlmsg_free(msg);
18694}
18695EXPORT_SYMBOL(cfg80211_assoc_comeback);
18696
947add36
JB		 18697void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
18698 struct ieee80211_channel *chan,
18699 unsigned int duration, gfp_t gfp)
9588bbd5 18700{
947add36 18701 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18702 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 18703
18704 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9588bbd5 18705 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
71bbc994 18706 rdev, wdev, cookie, chan,
42d97a59 18707 duration, gfp);
9588bbd5 18708}
947add36 18709EXPORT_SYMBOL(cfg80211_ready_on_channel);
9588bbd5 18710
947add36
JB		 18711void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
18712 struct ieee80211_channel *chan,
18713 gfp_t gfp)
9588bbd5 18714{
947add36 18715 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18716 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 18717
18718 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9588bbd5 18719 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
42d97a59 18720 rdev, wdev, cookie, chan, 0, gfp);
9588bbd5 18721}
947add36 18722EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9588bbd5 18723
1c38c7f2
JP		 18724void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
18725 struct ieee80211_channel *chan,
18726 gfp_t gfp)
18727{
18728 struct wiphy *wiphy = wdev->wiphy;
18729 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18730
18731 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
18732 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
18733 rdev, wdev, cookie, chan, 0, gfp);
18734}
18735EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
18736
947add36
JB		 18737void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
18738 struct station_info *sinfo, gfp_t gfp)
98b62183 18739{
947add36 18740 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 18741 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
98b62183
JB		 18742 struct sk_buff *msg;
18743
947add36
JB		 18744 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
18745
58050fce 18746 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
98b62183
JB		 18747 if (!msg)
18748 return;
18749
cf5ead82 18750 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
66266b3a 18751 rdev, dev, mac_addr, sinfo) < 0) {
98b62183
JB		 18752 nlmsg_free(msg);
18753 return;
18754 }
18755
68eb5503 18756 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18757 NL80211_MCGRP_MLME, gfp);
98b62183 18758}
947add36 18759EXPORT_SYMBOL(cfg80211_new_sta);
98b62183 18760
cf5ead82
JB		 18761void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
18762 struct station_info *sinfo, gfp_t gfp)
ec15e68b 18763{
947add36 18764 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 18765 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ec15e68b 18766 struct sk_buff *msg;
73887fd9 18767 struct station_info empty_sinfo = {};
cf5ead82 18768
73887fd9
JB		 18769 if (!sinfo)
18770 sinfo = &empty_sinfo;
ec15e68b 18771
947add36
JB		 18772 trace_cfg80211_del_sta(dev, mac_addr);
18773
58050fce 18774 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7ea3e110
JB		 18775 if (!msg) {
18776 cfg80211_sinfo_release_content(sinfo);
73887fd9 18777 return;
7ea3e110 18778 }
ec15e68b 18779
cf5ead82 18780 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
57007121 18781 rdev, dev, mac_addr, sinfo) < 0) {
ec15e68b 18782 nlmsg_free(msg);
73887fd9 18783 return;
ec15e68b
JM		 18784 }
18785
68eb5503 18786 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18787 NL80211_MCGRP_MLME, gfp);
ec15e68b 18788}
cf5ead82 18789EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
ec15e68b 18790
947add36
JB		 18791void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
18792 enum nl80211_connect_failed_reason reason,
18793 gfp_t gfp)
ed44a951 18794{
947add36 18795 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 18796 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ed44a951
PP		 18797 struct sk_buff *msg;
18798 void *hdr;
18799
18800 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
18801 if (!msg)
18802 return;
18803
18804 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
18805 if (!hdr) {
18806 nlmsg_free(msg);
18807 return;
18808 }
18809
18810 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18811 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
18812 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
18813 goto nla_put_failure;
18814
18815 genlmsg_end(msg, hdr);
18816
68eb5503 18817 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18818 NL80211_MCGRP_MLME, gfp);
ed44a951
PP		 18819 return;
18820
18821 nla_put_failure:
ed44a951
PP		 18822 nlmsg_free(msg);
18823}
947add36 18824EXPORT_SYMBOL(cfg80211_conn_failed);
ed44a951 18825
b92ab5d8
JB		 18826static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
18827 const u8 *addr, gfp_t gfp)
28946da7
JB		 18828{
18829 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 18830 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
28946da7
JB		 18831 struct sk_buff *msg;
18832 void *hdr;
6aa7de05 18833 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
28946da7 18834
15e47304 18835 if (!nlportid)
28946da7
JB		 18836 return false;
18837
18838 msg = nlmsg_new(100, gfp);
18839 if (!msg)
18840 return true;
18841
b92ab5d8 18842 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
28946da7
JB		 18843 if (!hdr) {
18844 nlmsg_free(msg);
18845 return true;
18846 }
18847
9360ffd1
DM		 18848 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18849 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18850 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18851 goto nla_put_failure;
28946da7 18852
9c90a9f6 18853 genlmsg_end(msg, hdr);
15e47304 18854 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
28946da7
JB		 18855 return true;
18856
18857 nla_put_failure:
28946da7
JB		 18858 nlmsg_free(msg);
18859 return true;
18860}
18861
947add36
JB		 18862bool cfg80211_rx_spurious_frame(struct net_device *dev,
18863 const u8 *addr, gfp_t gfp)
b92ab5d8 18864{
947add36
JB		 18865 struct wireless_dev *wdev = dev->ieee80211_ptr;
18866 bool ret;
18867
18868 trace_cfg80211_rx_spurious_frame(dev, addr);
18869
18870 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18871 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
18872 trace_cfg80211_return_bool(false);
18873 return false;
18874 }
18875 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
18876 addr, gfp);
18877 trace_cfg80211_return_bool(ret);
18878 return ret;
b92ab5d8 18879}
947add36 18880EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
b92ab5d8 18881
947add36
JB		 18882bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
18883 const u8 *addr, gfp_t gfp)
b92ab5d8 18884{
947add36
JB		 18885 struct wireless_dev *wdev = dev->ieee80211_ptr;
18886 bool ret;
18887
18888 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
18889
18890 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18891 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
18892 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
18893 trace_cfg80211_return_bool(false);
18894 return false;
18895 }
18896 ret = __nl80211_unexpected_frame(dev,
18897 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
18898 addr, gfp);
18899 trace_cfg80211_return_bool(ret);
18900 return ret;
b92ab5d8 18901}
947add36 18902EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
b92ab5d8 18903
2e161f78 18904int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15e47304 18905 struct wireless_dev *wdev, u32 nlportid,
00b3d840 18906 struct cfg80211_rx_info *info, gfp_t gfp)
026331c4 18907{
71bbc994 18908 struct net_device *netdev = wdev->netdev;
026331c4
JM		 18909 struct sk_buff *msg;
18910 void *hdr;
026331c4 18911
00b3d840 18912 msg = nlmsg_new(100 + info->len, gfp);
026331c4
JM		 18913 if (!msg)
18914 return -ENOMEM;
18915
2e161f78 18916 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
026331c4
JM		 18917 if (!hdr) {
18918 nlmsg_free(msg);
18919 return -ENOMEM;
18920 }
18921
9360ffd1 18922 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 18923 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18924 netdev->ifindex)) ||
2dad624e
ND		 18925 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18926 NL80211_ATTR_PAD) ||
6074c9e5
JB		 18927 (info->have_link_id &&
18928 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, info->link_id)) ||
00b3d840
AS		 18929 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(info->freq)) ||
18930 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, info->freq % 1000) ||
18931 (info->sig_dbm &&
18932 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, info->sig_dbm)) ||
18933 nla_put(msg, NL80211_ATTR_FRAME, info->len, info->buf) ||
18934 (info->flags &&
1ff715ff
AS		 18935 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)) ||
18936 (info->rx_tstamp && nla_put_u64_64bit(msg,
18937 NL80211_ATTR_RX_HW_TIMESTAMP,
18938 info->rx_tstamp,
18939 NL80211_ATTR_PAD)) ||
18940 (info->ack_tstamp && nla_put_u64_64bit(msg,
18941 NL80211_ATTR_TX_HW_TIMESTAMP,
18942 info->ack_tstamp,
18943 NL80211_ATTR_PAD)))
9360ffd1 18944 goto nla_put_failure;
026331c4 18945
3b7b72ee 18946 genlmsg_end(msg, hdr);
026331c4 18947
15e47304 18948 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
026331c4
JM		 18949
18950 nla_put_failure:
026331c4
JM		 18951 nlmsg_free(msg);
18952 return -ENOBUFS;
18953}
18954
ea7d50c9
AS		 18955static void nl80211_frame_tx_status(struct wireless_dev *wdev,
18956 struct cfg80211_tx_status *status,
dca9ca2d 18957 gfp_t gfp, enum nl80211_commands command)
026331c4 18958{
947add36 18959 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18960 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
71bbc994 18961 struct net_device *netdev = wdev->netdev;
026331c4
JM		 18962 struct sk_buff *msg;
18963 void *hdr;
18964
dca9ca2d 18965 if (command == NL80211_CMD_FRAME_TX_STATUS)
ea7d50c9
AS		 18966 trace_cfg80211_mgmt_tx_status(wdev, status->cookie,
18967 status->ack);
dca9ca2d 18968 else
ea7d50c9
AS		 18969 trace_cfg80211_control_port_tx_status(wdev, status->cookie,
18970 status->ack);
947add36 18971
ea7d50c9 18972 msg = nlmsg_new(100 + status->len, gfp);
026331c4
JM		 18973 if (!msg)
18974 return;
18975
dca9ca2d 18976 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
026331c4
JM		 18977 if (!hdr) {
18978 nlmsg_free(msg);
18979 return;
18980 }
18981
9360ffd1 18982 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 18983 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18984 netdev->ifindex)) ||
2dad624e
ND		 18985 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18986 NL80211_ATTR_PAD) ||
ea7d50c9
AS		 18987 nla_put(msg, NL80211_ATTR_FRAME, status->len, status->buf) ||
18988 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, status->cookie,
2dad624e 18989 NL80211_ATTR_PAD) ||
ea7d50c9
AS		 18990 (status->ack && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
18991 (status->tx_tstamp &&
18992 nla_put_u64_64bit(msg, NL80211_ATTR_TX_HW_TIMESTAMP,
18993 status->tx_tstamp, NL80211_ATTR_PAD)) ||
18994 (status->ack_tstamp &&
18995 nla_put_u64_64bit(msg, NL80211_ATTR_RX_HW_TIMESTAMP,
18996 status->ack_tstamp, NL80211_ATTR_PAD)))
9360ffd1 18997 goto nla_put_failure;
026331c4 18998
3b7b72ee 18999 genlmsg_end(msg, hdr);
026331c4 19000
68eb5503 19001 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19002 NL80211_MCGRP_MLME, gfp);
026331c4
JM		 19003 return;
19004
dca9ca2d 19005nla_put_failure:
026331c4
JM		 19006 nlmsg_free(msg);
19007}
dca9ca2d
MT		 19008
19009void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
19010 const u8 *buf, size_t len, bool ack,
19011 gfp_t gfp)
19012{
ea7d50c9
AS		 19013 struct cfg80211_tx_status status = {
19014 .cookie = cookie,
19015 .buf = buf,
19016 .len = len,
19017 .ack = ack
19018 };
19019
19020 nl80211_frame_tx_status(wdev, &status, gfp,
dca9ca2d
MT		 19021 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
19022}
19023EXPORT_SYMBOL(cfg80211_control_port_tx_status);
19024
ea7d50c9
AS		 19025void cfg80211_mgmt_tx_status_ext(struct wireless_dev *wdev,
19026 struct cfg80211_tx_status *status, gfp_t gfp)
dca9ca2d 19027{
ea7d50c9 19028 nl80211_frame_tx_status(wdev, status, gfp, NL80211_CMD_FRAME_TX_STATUS);
dca9ca2d 19029}
ea7d50c9 19030EXPORT_SYMBOL(cfg80211_mgmt_tx_status_ext);
026331c4 19031
6a671a50 19032static int __nl80211_rx_control_port(struct net_device *dev,
a948f713 19033 struct sk_buff *skb,
4c532321
JB		 19034 bool unencrypted,
19035 int link_id,
19036 gfp_t gfp)
6a671a50
DK		 19037{
19038 struct wireless_dev *wdev = dev->ieee80211_ptr;
19039 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
a948f713 19040 struct ethhdr *ehdr = eth_hdr(skb);
8d74a623 19041 const u8 *addr = ehdr->h_source;
a948f713 19042 u16 proto = be16_to_cpu(skb->protocol);
6a671a50
DK		 19043 struct sk_buff *msg;
19044 void *hdr;
a948f713
DK		 19045 struct nlattr *frame;
19046
6a671a50
DK		 19047 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
19048
19049 if (!nlportid)
19050 return -ENOENT;
19051
a948f713 19052 msg = nlmsg_new(100 + skb->len, gfp);
6a671a50
DK		 19053 if (!msg)
19054 return -ENOMEM;
19055
19056 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
19057 if (!hdr) {
19058 nlmsg_free(msg);
19059 return -ENOBUFS;
19060 }
19061
19062 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19063 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19064 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19065 NL80211_ATTR_PAD) ||
8d74a623 19066 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6a671a50 19067 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
4c532321
JB		 19068 (link_id >= 0 &&
19069 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
6a671a50
DK		 19070 (unencrypted && nla_put_flag(msg,
19071 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
19072 goto nla_put_failure;
19073
a948f713
DK		 19074 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
19075 if (!frame)
19076 goto nla_put_failure;
19077
19078 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
6a671a50
DK		 19079 genlmsg_end(msg, hdr);
19080
19081 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
19082
19083 nla_put_failure:
19084 nlmsg_free(msg);
19085 return -ENOBUFS;
19086}
19087
4c532321
JB		 19088bool cfg80211_rx_control_port(struct net_device *dev, struct sk_buff *skb,
19089 bool unencrypted, int link_id)
6a671a50
DK		 19090{
19091 int ret;
19092
4c532321
JB		 19093 trace_cfg80211_rx_control_port(dev, skb, unencrypted, link_id);
19094 ret = __nl80211_rx_control_port(dev, skb, unencrypted, link_id,
19095 GFP_ATOMIC);
6a671a50
DK		 19096 trace_cfg80211_return_bool(ret == 0);
19097 return ret == 0;
19098}
19099EXPORT_SYMBOL(cfg80211_rx_control_port);
19100
5b97f49d
JB		 19101static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
19102 const char *mac, gfp_t gfp)
d6dc1a38 19103{
947add36 19104 struct wireless_dev *wdev = dev->ieee80211_ptr;
5b97f49d
JB		 19105 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19106 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19107 void **cb;
947add36 19108
d6dc1a38 19109 if (!msg)
5b97f49d 19110 return NULL;
d6dc1a38 19111
5b97f49d
JB		 19112 cb = (void **)msg->cb;
19113
19114 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
19115 if (!cb[0]) {
d6dc1a38 19116 nlmsg_free(msg);
5b97f49d 19117 return NULL;
d6dc1a38
JO		 19118 }
19119
9360ffd1 19120 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36 19121 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9360ffd1 19122 goto nla_put_failure;
d6dc1a38 19123
5b97f49d 19124 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
d6dc1a38
JO		 19125 goto nla_put_failure;
19126
ae0be8de 19127 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
5b97f49d 19128 if (!cb[1])
9360ffd1 19129 goto nla_put_failure;
d6dc1a38 19130
5b97f49d 19131 cb[2] = rdev;
d6dc1a38 19132
5b97f49d
JB		 19133 return msg;
19134 nla_put_failure:
19135 nlmsg_free(msg);
19136 return NULL;
19137}
19138
19139static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
19140{
19141 void **cb = (void **)msg->cb;
19142 struct cfg80211_registered_device *rdev = cb[2];
19143
19144 nla_nest_end(msg, cb[1]);
19145 genlmsg_end(msg, cb[0]);
19146
19147 memset(msg->cb, 0, sizeof(msg->cb));
d6dc1a38 19148
68eb5503 19149 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19150 NL80211_MCGRP_MLME, gfp);
5b97f49d
JB		 19151}
19152
19153void cfg80211_cqm_rssi_notify(struct net_device *dev,
19154 enum nl80211_cqm_rssi_threshold_event rssi_event,
bee427b8 19155 s32 rssi_level, gfp_t gfp)
5b97f49d 19156{
4a4b8169 19157 struct wireless_dev *wdev = dev->ieee80211_ptr;
37c20b2e 19158 struct cfg80211_cqm_config *cqm_config;
5b97f49d 19159
bee427b8 19160 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
5b97f49d 19161
98f03342
JB		 19162 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
19163 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
19164 return;
19165
37c20b2e
JB		 19166 rcu_read_lock();
19167 cqm_config = rcu_dereference(wdev->cqm_config);
19168 if (cqm_config) {
19169 cqm_config->last_rssi_event_value = rssi_level;
19170 cqm_config->last_rssi_event_type = rssi_event;
19171 wiphy_work_queue(wdev->wiphy, &wdev->cqm_rssi_work);
19172 }
19173 rcu_read_unlock();
19174}
19175EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
4a4b8169 19176
37c20b2e
JB		 19177void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, struct wiphy_work *work)
19178{
19179 struct wireless_dev *wdev = container_of(work, struct wireless_dev,
19180 cqm_rssi_work);
19181 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19182 enum nl80211_cqm_rssi_threshold_event rssi_event;
19183 struct cfg80211_cqm_config *cqm_config;
19184 struct sk_buff *msg;
19185 s32 rssi_level;
4a4b8169 19186
7d6904bf 19187 cqm_config = wiphy_dereference(wdev->wiphy, wdev->cqm_config);
7e7efdda 19188 if (!cqm_config)
7d6904bf 19189 return;
4a4b8169 19190
7e7efdda
JB		 19191 if (cqm_config->use_range_api)
19192 cfg80211_cqm_rssi_update(rdev, wdev->netdev, cqm_config);
37c20b2e
JB		 19193
19194 rssi_level = cqm_config->last_rssi_event_value;
19195 rssi_event = cqm_config->last_rssi_event_type;
4a4b8169 19196
37c20b2e 19197 msg = cfg80211_prepare_cqm(wdev->netdev, NULL, GFP_KERNEL);
5b97f49d
JB		 19198 if (!msg)
19199 return;
19200
19201 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
19202 rssi_event))
19203 goto nla_put_failure;
19204
bee427b8
AZ		 19205 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
19206 rssi_level))
19207 goto nla_put_failure;
19208
37c20b2e 19209 cfg80211_send_cqm(msg, GFP_KERNEL);
5b97f49d 19210
d6dc1a38
JO		 19211 return;
19212
19213 nla_put_failure:
d6dc1a38
JO		 19214 nlmsg_free(msg);
19215}
19216
5b97f49d
JB		 19217void cfg80211_cqm_txe_notify(struct net_device *dev,
19218 const u8 *peer, u32 num_packets,
19219 u32 rate, u32 intvl, gfp_t gfp)
19220{
19221 struct sk_buff *msg;
19222
19223 msg = cfg80211_prepare_cqm(dev, peer, gfp);
19224 if (!msg)
19225 return;
19226
19227 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
19228 goto nla_put_failure;
19229
19230 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
19231 goto nla_put_failure;
19232
19233 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
19234 goto nla_put_failure;
19235
19236 cfg80211_send_cqm(msg, gfp);
19237 return;
19238
19239 nla_put_failure:
19240 nlmsg_free(msg);
19241}
19242EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
19243
19244void cfg80211_cqm_pktloss_notify(struct net_device *dev,
19245 const u8 *peer, u32 num_packets, gfp_t gfp)
19246{
19247 struct sk_buff *msg;
19248
19249 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
19250
19251 msg = cfg80211_prepare_cqm(dev, peer, gfp);
19252 if (!msg)
19253 return;
19254
19255 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
19256 goto nla_put_failure;
19257
19258 cfg80211_send_cqm(msg, gfp);
19259 return;
19260
19261 nla_put_failure:
19262 nlmsg_free(msg);
19263}
19264EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
19265
98f03342
JB		 19266void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
19267{
19268 struct sk_buff *msg;
19269
19270 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
19271 if (!msg)
19272 return;
19273
19274 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
19275 goto nla_put_failure;
19276
19277 cfg80211_send_cqm(msg, gfp);
19278 return;
19279
19280 nla_put_failure:
19281 nlmsg_free(msg);
19282}
19283EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
19284
947add36
JB		 19285static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
19286 struct net_device *netdev, const u8 *bssid,
19287 const u8 *replay_ctr, gfp_t gfp)
e5497d76
JB		 19288{
19289 struct sk_buff *msg;
19290 struct nlattr *rekey_attr;
19291 void *hdr;
19292
58050fce 19293 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
e5497d76
JB		 19294 if (!msg)
19295 return;
19296
19297 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
19298 if (!hdr) {
19299 nlmsg_free(msg);
19300 return;
19301 }
19302
9360ffd1
DM		 19303 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19304 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19305 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
19306 goto nla_put_failure;
e5497d76 19307
ae0be8de 19308 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
e5497d76
JB		 19309 if (!rekey_attr)
19310 goto nla_put_failure;
19311
9360ffd1
DM		 19312 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
19313 NL80211_REPLAY_CTR_LEN, replay_ctr))
19314 goto nla_put_failure;
e5497d76
JB		 19315
19316 nla_nest_end(msg, rekey_attr);
19317
3b7b72ee 19318 genlmsg_end(msg, hdr);
e5497d76 19319
68eb5503 19320 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19321 NL80211_MCGRP_MLME, gfp);
e5497d76
JB		 19322 return;
19323
19324 nla_put_failure:
e5497d76
JB		 19325 nlmsg_free(msg);
19326}
19327
947add36
JB		 19328void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
19329 const u8 *replay_ctr, gfp_t gfp)
19330{
19331 struct wireless_dev *wdev = dev->ieee80211_ptr;
19332 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 19333 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 19334
19335 trace_cfg80211_gtk_rekey_notify(dev, bssid);
19336 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
19337}
19338EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
19339
19340static void
19341nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
19342 struct net_device *netdev, int index,
19343 const u8 *bssid, bool preauth, gfp_t gfp)
c9df56b4
JM		 19344{
19345 struct sk_buff *msg;
19346 struct nlattr *attr;
19347 void *hdr;
19348
58050fce 19349 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
c9df56b4
JM		 19350 if (!msg)
19351 return;
19352
19353 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
19354 if (!hdr) {
19355 nlmsg_free(msg);
19356 return;
19357 }
19358
9360ffd1
DM		 19359 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19360 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19361 goto nla_put_failure;
c9df56b4 19362
ae0be8de 19363 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
c9df56b4
JM		 19364 if (!attr)
19365 goto nla_put_failure;
19366
9360ffd1
DM		 19367 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
19368 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
19369 (preauth &&
19370 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
19371 goto nla_put_failure;
c9df56b4
JM		 19372
19373 nla_nest_end(msg, attr);
19374
3b7b72ee 19375 genlmsg_end(msg, hdr);
c9df56b4 19376
68eb5503 19377 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19378 NL80211_MCGRP_MLME, gfp);
c9df56b4
JM		 19379 return;
19380
19381 nla_put_failure:
c9df56b4
JM		 19382 nlmsg_free(msg);
19383}
19384
947add36
JB		 19385void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
19386 const u8 *bssid, bool preauth, gfp_t gfp)
19387{
19388 struct wireless_dev *wdev = dev->ieee80211_ptr;
19389 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 19390 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 19391
19392 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
19393 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
19394}
19395EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
19396
19397static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
19398 struct net_device *netdev,
b8c9024e 19399 unsigned int link_id,
947add36 19400 struct cfg80211_chan_def *chandef,
f8d7552e
LC		 19401 gfp_t gfp,
19402 enum nl80211_commands notif,
b345f063 19403 u8 count, bool quiet, u16 punct_bitmap)
5314526b 19404{
b8c9024e 19405 struct wireless_dev *wdev = netdev->ieee80211_ptr;
5314526b
TP		 19406 struct sk_buff *msg;
19407 void *hdr;
19408
58050fce 19409 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
5314526b
TP		 19410 if (!msg)
19411 return;
19412
f8d7552e 19413 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
5314526b
TP		 19414 if (!hdr) {
19415 nlmsg_free(msg);
19416 return;
19417 }
19418
683b6d3b
JB		 19419 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19420 goto nla_put_failure;
19421
b8c9024e
VJ		 19422 if (wdev->valid_links &&
19423 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
19424 goto nla_put_failure;
19425
683b6d3b 19426 if (nl80211_send_chandef(msg, chandef))
7eab0f64 19427 goto nla_put_failure;
5314526b 19428
669b8413
JB		 19429 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
19430 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
f8d7552e 19431 goto nla_put_failure;
669b8413
JB		 19432 if (quiet &&
19433 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
f8d7552e 19434 goto nla_put_failure;
669b8413 19435 }
f8d7552e 19436
b345f063
AD		 19437 if (nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP, punct_bitmap))
19438 goto nla_put_failure;
19439
5314526b
TP		 19440 genlmsg_end(msg, hdr);
19441
68eb5503 19442 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19443 NL80211_MCGRP_MLME, gfp);
5314526b
TP		 19444 return;
19445
19446 nla_put_failure:
5314526b
TP		 19447 nlmsg_free(msg);
19448}
19449
947add36 19450void cfg80211_ch_switch_notify(struct net_device *dev,
7b0a0e3c 19451 struct cfg80211_chan_def *chandef,
b345f063 19452 unsigned int link_id, u16 punct_bitmap)
84f10708 19453{
947add36
JB		 19454 struct wireless_dev *wdev = dev->ieee80211_ptr;
19455 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 19456 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36 19457
076fc877 19458 lockdep_assert_wiphy(wdev->wiphy);
7b0a0e3c 19459 WARN_INVALID_LINK_ID(wdev, link_id);
947add36 19460
b345f063 19461 trace_cfg80211_ch_switch_notify(dev, chandef, link_id, punct_bitmap);
5dc8cdce 19462
7b0a0e3c
JB		 19463 switch (wdev->iftype) {
19464 case NL80211_IFTYPE_STATION:
19465 case NL80211_IFTYPE_P2P_CLIENT:
19466 if (!WARN_ON(!wdev->links[link_id].client.current_bss))
19467 cfg80211_update_assoc_bss_entry(wdev, link_id,
19468 chandef->chan);
19469 break;
19470 case NL80211_IFTYPE_MESH_POINT:
19471 wdev->u.mesh.chandef = *chandef;
19472 wdev->u.mesh.preset_chandef = *chandef;
19473 break;
19474 case NL80211_IFTYPE_AP:
19475 case NL80211_IFTYPE_P2P_GO:
19476 wdev->links[link_id].ap.chandef = *chandef;
19477 break;
77e7b6ba
JB		 19478 case NL80211_IFTYPE_ADHOC:
19479 wdev->u.ibss.chandef = *chandef;
19480 break;
7b0a0e3c
JB		 19481 default:
19482 WARN_ON(1);
19483 break;
19484 }
5dc8cdce 19485
9be61558 19486 cfg80211_schedule_channels_check(wdev);
d34990bb
MV		 19487 cfg80211_sched_dfs_chan_update(rdev);
19488
b8c9024e 19489 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
b345f063
AD		 19490 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false,
19491 punct_bitmap);
947add36
JB		 19492}
19493EXPORT_SYMBOL(cfg80211_ch_switch_notify);
19494
f8d7552e
LC		 19495void cfg80211_ch_switch_started_notify(struct net_device *dev,
19496 struct cfg80211_chan_def *chandef,
b8c9024e 19497 unsigned int link_id, u8 count,
b345f063 19498 bool quiet, u16 punct_bitmap)
f8d7552e
LC		 19499{
19500 struct wireless_dev *wdev = dev->ieee80211_ptr;
19501 struct wiphy *wiphy = wdev->wiphy;
19502 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19503
076fc877 19504 lockdep_assert_wiphy(wdev->wiphy);
b8c9024e
VJ		 19505 WARN_INVALID_LINK_ID(wdev, link_id);
19506
b345f063
AD		 19507 trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id,
19508 punct_bitmap);
19509
f8d7552e 19510
b8c9024e 19511 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
669b8413 19512 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
b345f063 19513 count, quiet, punct_bitmap);
f8d7552e
LC		 19514}
19515EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
19516
935ef47b 19517int cfg80211_bss_color_notify(struct net_device *dev,
0d2ab3ae
JC		 19518 enum nl80211_commands cmd, u8 count,
19519 u64 color_bitmap)
19520{
19521 struct wireless_dev *wdev = dev->ieee80211_ptr;
19522 struct wiphy *wiphy = wdev->wiphy;
19523 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19524 struct sk_buff *msg;
19525 void *hdr;
19526
076fc877 19527 lockdep_assert_wiphy(wdev->wiphy);
0d2ab3ae
JC		 19528
19529 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
19530
935ef47b 19531 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
0d2ab3ae
JC		 19532 if (!msg)
19533 return -ENOMEM;
19534
19535 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
19536 if (!hdr)
19537 goto nla_put_failure;
19538
19539 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19540 goto nla_put_failure;
19541
19542 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
19543 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
19544 goto nla_put_failure;
19545
19546 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
19547 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
19548 color_bitmap, NL80211_ATTR_PAD))
19549 goto nla_put_failure;
19550
19551 genlmsg_end(msg, hdr);
19552
19553 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
935ef47b 19554 msg, 0, NL80211_MCGRP_MLME, GFP_KERNEL);
0d2ab3ae
JC		 19555
19556nla_put_failure:
19557 nlmsg_free(msg);
19558 return -EINVAL;
19559}
19560EXPORT_SYMBOL(cfg80211_bss_color_notify);
19561
04f39047
SW		 19562void
19563nl80211_radar_notify(struct cfg80211_registered_device *rdev,
d2859df5 19564 const struct cfg80211_chan_def *chandef,
04f39047
SW		 19565 enum nl80211_radar_event event,
19566 struct net_device *netdev, gfp_t gfp)
19567{
19568 struct sk_buff *msg;
19569 void *hdr;
19570
19571 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19572 if (!msg)
19573 return;
19574
19575 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
19576 if (!hdr) {
19577 nlmsg_free(msg);
19578 return;
19579 }
19580
19581 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19582 goto nla_put_failure;
19583
19584 /* NOP and radar events don't need a netdev parameter */
19585 if (netdev) {
19586 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19587
19588 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
2dad624e
ND		 19589 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19590 NL80211_ATTR_PAD))
04f39047
SW		 19591 goto nla_put_failure;
19592 }
19593
19594 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
19595 goto nla_put_failure;
19596
19597 if (nl80211_send_chandef(msg, chandef))
19598 goto nla_put_failure;
19599
9c90a9f6 19600 genlmsg_end(msg, hdr);
04f39047 19601
68eb5503 19602 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19603 NL80211_MCGRP_MLME, gfp);
04f39047
SW		 19604 return;
19605
19606 nla_put_failure:
04f39047
SW		 19607 nlmsg_free(msg);
19608}
19609
466b9936 19610void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
19611 struct sta_opmode_info *sta_opmode,
19612 gfp_t gfp)
19613{
19614 struct sk_buff *msg;
19615 struct wireless_dev *wdev = dev->ieee80211_ptr;
19616 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19617 void *hdr;
19618
19619 if (WARN_ON(!mac))
19620 return;
19621
19622 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19623 if (!msg)
19624 return;
19625
19626 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
19627 if (!hdr) {
19628 nlmsg_free(msg);
19629 return;
19630 }
19631
19632 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19633 goto nla_put_failure;
19634
19635 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19636 goto nla_put_failure;
19637
19638 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19639 goto nla_put_failure;
19640
19641 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
19642 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
19643 goto nla_put_failure;
19644
19645 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
0016d320 19646 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
466b9936 19647 goto nla_put_failure;
19648
19649 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
19650 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
19651 goto nla_put_failure;
19652
19653 genlmsg_end(msg, hdr);
19654
19655 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19656 NL80211_MCGRP_MLME, gfp);
19657
19658 return;
19659
19660nla_put_failure:
19661 nlmsg_free(msg);
19662}
19663EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
19664
7f6cf311 19665void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
c4b50cd3
VN		 19666 u64 cookie, bool acked, s32 ack_signal,
19667 bool is_valid_ack_signal, gfp_t gfp)
7f6cf311
JB		 19668{
19669 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 19670 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
7f6cf311
JB		 19671 struct sk_buff *msg;
19672 void *hdr;
7f6cf311 19673
4ee3e063
BL		 19674 trace_cfg80211_probe_status(dev, addr, cookie, acked);
19675
58050fce 19676 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
4ee3e063 19677
7f6cf311
JB		 19678 if (!msg)
19679 return;
19680
19681 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
19682 if (!hdr) {
19683 nlmsg_free(msg);
19684 return;
19685 }
19686
9360ffd1
DM		 19687 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19688 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19689 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2dad624e
ND		 19690 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
19691 NL80211_ATTR_PAD) ||
c4b50cd3
VN		 19692 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
19693 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
19694 ack_signal)))
9360ffd1 19695 goto nla_put_failure;
7f6cf311 19696
9c90a9f6 19697 genlmsg_end(msg, hdr);
7f6cf311 19698
68eb5503 19699 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19700 NL80211_MCGRP_MLME, gfp);
7f6cf311
JB		 19701 return;
19702
19703 nla_put_failure:
7f6cf311
JB		 19704 nlmsg_free(msg);
19705}
19706EXPORT_SYMBOL(cfg80211_probe_status);
19707
e76fede8
TP		 19708void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
19709 size_t len, int freq, int sig_dbm)
5e760230 19710{
f26cbf40 19711 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5e760230
JB		 19712 struct sk_buff *msg;
19713 void *hdr;
37c73b5f 19714 struct cfg80211_beacon_registration *reg;
5e760230 19715
4ee3e063
BL		 19716 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
19717
37c73b5f
BG		 19718 spin_lock_bh(&rdev->beacon_registrations_lock);
19719 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
19720 msg = nlmsg_new(len + 100, GFP_ATOMIC);
19721 if (!msg) {
19722 spin_unlock_bh(&rdev->beacon_registrations_lock);
19723 return;
19724 }
5e760230 19725
37c73b5f
BG		 19726 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
19727 if (!hdr)
19728 goto nla_put_failure;
5e760230 19729
37c73b5f
BG		 19730 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19731 (freq &&
942ba88b
TP		 19732 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
19733 KHZ_TO_MHZ(freq)) ||
19734 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
19735 freq % 1000))) ||
37c73b5f
BG		 19736 (sig_dbm &&
19737 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19738 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
19739 goto nla_put_failure;
5e760230 19740
37c73b5f 19741 genlmsg_end(msg, hdr);
5e760230 19742
37c73b5f
BG		 19743 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
19744 }
19745 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 19746 return;
19747
19748 nla_put_failure:
37c73b5f 19749 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 19750 nlmsg_free(msg);
19751}
e76fede8 19752EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
5e760230 19753
cd8f7cb4 19754#ifdef CONFIG_PM
8cd4d456
LC		 19755static int cfg80211_net_detect_results(struct sk_buff *msg,
19756 struct cfg80211_wowlan_wakeup *wakeup)
19757{
19758 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
19759 struct nlattr *nl_results, *nl_match, *nl_freqs;
19760 int i, j;
19761
ae0be8de
MK		 19762 nl_results = nla_nest_start_noflag(msg,
19763 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
8cd4d456
LC		 19764 if (!nl_results)
19765 return -EMSGSIZE;
19766
19767 for (i = 0; i < nd->n_matches; i++) {
19768 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
19769
ae0be8de 19770 nl_match = nla_nest_start_noflag(msg, i);
8cd4d456
LC		 19771 if (!nl_match)
19772 break;
19773
19774 /* The SSID attribute is optional in nl80211, but for
19775 * simplicity reasons it's always present in the
19776 * cfg80211 structure. If a driver can't pass the
19777 * SSID, that needs to be changed. A zero length SSID
19778 * is still a valid SSID (wildcard), so it cannot be
19779 * used for this purpose.
19780 */
19781 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
19782 match->ssid.ssid)) {
19783 nla_nest_cancel(msg, nl_match);
19784 goto out;
19785 }
19786
19787 if (match->n_channels) {
ae0be8de
MK		 19788 nl_freqs = nla_nest_start_noflag(msg,
19789 NL80211_ATTR_SCAN_FREQUENCIES);
8cd4d456
LC		 19790 if (!nl_freqs) {
19791 nla_nest_cancel(msg, nl_match);
19792 goto out;
19793 }
19794
19795 for (j = 0; j < match->n_channels; j++) {
5528fae8 19796 if (nla_put_u32(msg, j, match->channels[j])) {
8cd4d456
LC		 19797 nla_nest_cancel(msg, nl_freqs);
19798 nla_nest_cancel(msg, nl_match);
19799 goto out;
19800 }
19801 }
19802
19803 nla_nest_end(msg, nl_freqs);
19804 }
19805
19806 nla_nest_end(msg, nl_match);
19807 }
19808
19809out:
19810 nla_nest_end(msg, nl_results);
19811 return 0;
19812}
19813
cd8f7cb4
JB		 19814void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
19815 struct cfg80211_wowlan_wakeup *wakeup,
19816 gfp_t gfp)
19817{
f26cbf40 19818 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
cd8f7cb4
JB		 19819 struct sk_buff *msg;
19820 void *hdr;
9c90a9f6 19821 int size = 200;
cd8f7cb4
JB		 19822
19823 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
19824
19825 if (wakeup)
19826 size += wakeup->packet_present_len;
19827
19828 msg = nlmsg_new(size, gfp);
19829 if (!msg)
19830 return;
19831
19832 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
19833 if (!hdr)
19834 goto free_msg;
19835
19836 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 19837 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19838 NL80211_ATTR_PAD))
cd8f7cb4
JB		 19839 goto free_msg;
19840
19841 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
19842 wdev->netdev->ifindex))
19843 goto free_msg;
19844
19845 if (wakeup) {
19846 struct nlattr *reasons;
19847
ae0be8de
MK		 19848 reasons = nla_nest_start_noflag(msg,
19849 NL80211_ATTR_WOWLAN_TRIGGERS);
7fa322c8
JB		 19850 if (!reasons)
19851 goto free_msg;
cd8f7cb4
JB		 19852
19853 if (wakeup->disconnect &&
19854 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
19855 goto free_msg;
19856 if (wakeup->magic_pkt &&
19857 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
19858 goto free_msg;
19859 if (wakeup->gtk_rekey_failure &&
19860 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
19861 goto free_msg;
19862 if (wakeup->eap_identity_req &&
19863 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
19864 goto free_msg;
19865 if (wakeup->four_way_handshake &&
19866 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
19867 goto free_msg;
19868 if (wakeup->rfkill_release &&
19869 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
19870 goto free_msg;
19871
19872 if (wakeup->pattern_idx >= 0 &&
19873 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
19874 wakeup->pattern_idx))
19875 goto free_msg;
19876
ae917c9f
JB		 19877 if (wakeup->tcp_match &&
19878 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
19879 goto free_msg;
2a0e047e 19880
ae917c9f
JB		 19881 if (wakeup->tcp_connlost &&
19882 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
19883 goto free_msg;
2a0e047e 19884
ae917c9f
JB		 19885 if (wakeup->tcp_nomoretokens &&
19886 nla_put_flag(msg,
19887 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
19888 goto free_msg;
2a0e047e 19889
cd8f7cb4
JB		 19890 if (wakeup->packet) {
19891 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
19892 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
19893
19894 if (!wakeup->packet_80211) {
19895 pkt_attr =
19896 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
19897 len_attr =
19898 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
19899 }
19900
19901 if (wakeup->packet_len &&
19902 nla_put_u32(msg, len_attr, wakeup->packet_len))
19903 goto free_msg;
19904
19905 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
19906 wakeup->packet))
19907 goto free_msg;
19908 }
19909
8cd4d456
LC		 19910 if (wakeup->net_detect &&
19911 cfg80211_net_detect_results(msg, wakeup))
19912 goto free_msg;
19913
cd8f7cb4
JB		 19914 nla_nest_end(msg, reasons);
19915 }
19916
9c90a9f6 19917 genlmsg_end(msg, hdr);
cd8f7cb4 19918
68eb5503 19919 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19920 NL80211_MCGRP_MLME, gfp);
cd8f7cb4
JB		 19921 return;
19922
19923 free_msg:
19924 nlmsg_free(msg);
19925}
19926EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
19927#endif
19928
3475b094
JM		 19929void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
19930 enum nl80211_tdls_operation oper,
19931 u16 reason_code, gfp_t gfp)
19932{
19933 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 19934 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
3475b094
JM		 19935 struct sk_buff *msg;
19936 void *hdr;
3475b094
JM		 19937
19938 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
19939 reason_code);
19940
19941 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19942 if (!msg)
19943 return;
19944
19945 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
19946 if (!hdr) {
19947 nlmsg_free(msg);
19948 return;
19949 }
19950
19951 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19952 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19953 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
19954 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
19955 (reason_code > 0 &&
19956 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
19957 goto nla_put_failure;
19958
9c90a9f6 19959 genlmsg_end(msg, hdr);
3475b094 19960
68eb5503 19961 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19962 NL80211_MCGRP_MLME, gfp);
3475b094
JM		 19963 return;
19964
19965 nla_put_failure:
3475b094
JM		 19966 nlmsg_free(msg);
19967}
19968EXPORT_SYMBOL(cfg80211_tdls_oper_request);
19969
026331c4
JM		 19970static int nl80211_netlink_notify(struct notifier_block * nb,
19971 unsigned long state,
19972 void *_notify)
19973{
19974 struct netlink_notify *notify = _notify;
19975 struct cfg80211_registered_device *rdev;
19976 struct wireless_dev *wdev;
37c73b5f 19977 struct cfg80211_beacon_registration *reg, *tmp;
026331c4 19978
8f815cdd 19979 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
026331c4
JM		 19980 return NOTIFY_DONE;
19981
19982 rcu_read_lock();
19983
5e760230 19984 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ca986ad9 19985 struct cfg80211_sched_scan_request *sched_scan_req;
753aacfd 19986
ca986ad9
AVS		 19987 list_for_each_entry_rcu(sched_scan_req,
19988 &rdev->sched_scan_req_list,
19989 list) {
19990 if (sched_scan_req->owner_nlportid == notify->portid) {
19991 sched_scan_req->nl_owner_dead = true;
c88d7178
JB		 19992 wiphy_work_queue(&rdev->wiphy,
19993 &rdev->sched_scan_stop_wk);
ca986ad9 19994 }
753aacfd 19995 }
78f22b6a 19996
53873f13 19997 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
15e47304 19998 cfg80211_mlme_unregister_socket(wdev, notify->portid);
37c73b5f 19999
ab81007a
JB		 20000 if (wdev->owner_nlportid == notify->portid) {
20001 wdev->nl_owner_dead = true;
20002 schedule_work(&rdev->destroy_work);
20003 } else if (wdev->conn_owner_nlportid == notify->portid) {
bd2522b1 20004 schedule_work(&wdev->disconnect_wk);
ab81007a 20005 }
9bb7e0f2
JB		 20006
20007 cfg80211_release_pmsr(wdev, notify->portid);
78f22b6a
JB		 20008 }
20009
37c73b5f
BG		 20010 spin_lock_bh(&rdev->beacon_registrations_lock);
20011 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
20012 list) {
20013 if (reg->nlportid == notify->portid) {
20014 list_del(&reg->list);
20015 kfree(reg);
20016 break;
20017 }
20018 }
20019 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230 20020 }
026331c4
JM		 20021
20022 rcu_read_unlock();
20023
05050753
I		 20024 /*
20025 * It is possible that the user space process that is controlling the
20026 * indoor setting disappeared, so notify the regulatory core.
20027 */
20028 regulatory_netlink_notify(notify->portid);
6784c7db 20029 return NOTIFY_OK;
026331c4
JM		 20030}
20031
20032static struct notifier_block nl80211_netlink_notifier = {
20033 .notifier_call = nl80211_netlink_notify,
20034};
20035
355199e0
JM		 20036void cfg80211_ft_event(struct net_device *netdev,
20037 struct cfg80211_ft_event_params *ft_event)
20038{
20039 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
f26cbf40 20040 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355199e0
JM		 20041 struct sk_buff *msg;
20042 void *hdr;
355199e0
JM		 20043
20044 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
20045
20046 if (!ft_event->target_ap)
20047 return;
20048
1039d081
DL		 20049 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
20050 GFP_KERNEL);
355199e0
JM		 20051 if (!msg)
20052 return;
20053
20054 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
ae917c9f
JB		 20055 if (!hdr)
20056 goto out;
355199e0 20057
ae917c9f
JB		 20058 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20059 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
20060 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
20061 goto out;
355199e0 20062
ae917c9f
JB		 20063 if (ft_event->ies &&
20064 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
20065 goto out;
20066 if (ft_event->ric_ies &&
20067 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
20068 ft_event->ric_ies))
20069 goto out;
355199e0 20070
9c90a9f6 20071 genlmsg_end(msg, hdr);
355199e0 20072
68eb5503 20073 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 20074 NL80211_MCGRP_MLME, GFP_KERNEL);
ae917c9f
JB		 20075 return;
20076 out:
20077 nlmsg_free(msg);
355199e0
JM		 20078}
20079EXPORT_SYMBOL(cfg80211_ft_event);
20080
5de17984
AS		 20081void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
20082{
20083 struct cfg80211_registered_device *rdev;
20084 struct sk_buff *msg;
20085 void *hdr;
20086 u32 nlportid;
20087
f26cbf40 20088 rdev = wiphy_to_rdev(wdev->wiphy);
5de17984
AS		 20089 if (!rdev->crit_proto_nlportid)
20090 return;
20091
20092 nlportid = rdev->crit_proto_nlportid;
20093 rdev->crit_proto_nlportid = 0;
20094
20095 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20096 if (!msg)
20097 return;
20098
20099 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
20100 if (!hdr)
20101 goto nla_put_failure;
20102
20103 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 20104 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
20105 NL80211_ATTR_PAD))
5de17984
AS		 20106 goto nla_put_failure;
20107
20108 genlmsg_end(msg, hdr);
20109
20110 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
20111 return;
20112
20113 nla_put_failure:
5de17984 20114 nlmsg_free(msg);
5de17984
AS		 20115}
20116EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
20117
cba7217a 20118void nl80211_send_ap_stopped(struct wireless_dev *wdev, unsigned int link_id)
348baf0e
JB		 20119{
20120 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 20121 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
348baf0e
JB		 20122 struct sk_buff *msg;
20123 void *hdr;
20124
20125 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
20126 if (!msg)
20127 return;
20128
20129 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
20130 if (!hdr)
20131 goto out;
20132
20133 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20134 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
2dad624e 20135 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
cba7217a
AŠ		 20136 NL80211_ATTR_PAD) ||
20137 (wdev->valid_links &&
20138 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
348baf0e
JB		 20139 goto out;
20140
20141 genlmsg_end(msg, hdr);
20142
20143 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
20144 NL80211_MCGRP_MLME, GFP_KERNEL);
20145 return;
20146 out:
20147 nlmsg_free(msg);
20148}
20149
40cbfa90
SD		 20150int cfg80211_external_auth_request(struct net_device *dev,
20151 struct cfg80211_external_auth_params *params,
20152 gfp_t gfp)
20153{
20154 struct wireless_dev *wdev = dev->ieee80211_ptr;
20155 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
20156 struct sk_buff *msg;
20157 void *hdr;
20158
20159 if (!wdev->conn_owner_nlportid)
20160 return -EINVAL;
20161
20162 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20163 if (!msg)
20164 return -ENOMEM;
20165
20166 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
20167 if (!hdr)
20168 goto nla_put_failure;
20169
20170 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20171 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
20172 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
20173 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
20174 params->action) ||
20175 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
20176 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
9a47c1ef
VJ		 20177 params->ssid.ssid) ||
20178 (!is_zero_ether_addr(params->mld_addr) &&
20179 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN, params->mld_addr)))
40cbfa90
SD		 20180 goto nla_put_failure;
20181
20182 genlmsg_end(msg, hdr);
20183 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
20184 wdev->conn_owner_nlportid);
20185 return 0;
20186
20187 nla_put_failure:
20188 nlmsg_free(msg);
20189 return -ENOBUFS;
20190}
20191EXPORT_SYMBOL(cfg80211_external_auth_request);
20192
cb74e977
SD		 20193void cfg80211_update_owe_info_event(struct net_device *netdev,
20194 struct cfg80211_update_owe_info *owe_info,
20195 gfp_t gfp)
20196{
20197 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
20198 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
20199 struct sk_buff *msg;
20200 void *hdr;
20201
20202 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
20203
20204 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20205 if (!msg)
20206 return;
20207
20208 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
20209 if (!hdr)
20210 goto nla_put_failure;
20211
20212 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20213 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
20214 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
20215 goto nla_put_failure;
20216
20217 if (!owe_info->ie_len ||
20218 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
20219 goto nla_put_failure;
20220
8bb588d9
VJ		 20221 if (owe_info->assoc_link_id != -1) {
20222 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
20223 owe_info->assoc_link_id))
20224 goto nla_put_failure;
20225
20226 if (!is_zero_ether_addr(owe_info->peer_mld_addr) &&
20227 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
20228 owe_info->peer_mld_addr))
20229 goto nla_put_failure;
20230 }
20231
cb74e977
SD		 20232 genlmsg_end(msg, hdr);
20233
20234 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
20235 NL80211_MCGRP_MLME, gfp);
20236 return;
20237
20238nla_put_failure:
20239 genlmsg_cancel(msg, hdr);
20240 nlmsg_free(msg);
20241}
20242EXPORT_SYMBOL(cfg80211_update_owe_info_event);
20243
9be61558
AO		 20244void cfg80211_schedule_channels_check(struct wireless_dev *wdev)
20245{
20246 struct wiphy *wiphy = wdev->wiphy;
20247
20248 /* Schedule channels check if NO_IR or DFS relaxations are supported */
20249 if (wdev->iftype == NL80211_IFTYPE_STATION &&
20250 (wiphy_ext_feature_isset(wiphy,
20251 NL80211_EXT_FEATURE_DFS_CONCURRENT) ||
20252 (IS_ENABLED(CONFIG_CFG80211_REG_RELAX_NO_IR) &&
20253 wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR)))
20254 reg_check_channels();
20255}
20256EXPORT_SYMBOL(cfg80211_schedule_channels_check);
20257
55682965
JB		 20258/* initialisation/exit functions */
20259
56989f6d 20260int __init nl80211_init(void)
55682965 20261{
0d63cbb5 20262 int err;
55682965 20263
489111e5 20264 err = genl_register_family(&nl80211_fam);
55682965
JB		 20265 if (err)
20266 return err;
20267
026331c4
JM		 20268 err = netlink_register_notifier(&nl80211_netlink_notifier);
20269 if (err)
20270 goto err_out;
20271
55682965
JB		 20272 return 0;
20273 err_out:
20274 genl_unregister_family(&nl80211_fam);
20275 return err;
20276}
20277
20278void nl80211_exit(void)
20279{
026331c4 20280 netlink_unregister_notifier(&nl80211_netlink_notifier);
55682965
JB		 20281 genl_unregister_family(&nl80211_fam);
20282}
Linux 6.x block layer and io_uring tree(s)