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Merge tag 'for-6.2-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[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
ea05fd35 8 * Copyright (C) 2018-2022 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
89a54e48
JB		 109 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
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 },
9bb7e0f2
JB		 326};
327
328static const struct nla_policy
329nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
330 [NL80211_PMSR_TYPE_FTM] =
23323289 331 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
9bb7e0f2
JB		 332};
333
334static const struct nla_policy
335nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
336 [NL80211_PMSR_REQ_ATTR_DATA] =
23323289 337 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
9bb7e0f2
JB		 338 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
339};
340
341static const struct nla_policy
aeddc05f 342nl80211_pmsr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
9bb7e0f2 343 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
d15da2a2 344 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
9bb7e0f2 345 [NL80211_PMSR_PEER_ATTR_REQ] =
23323289 346 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
9bb7e0f2
JB		 347 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
348};
349
350static const struct nla_policy
351nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
352 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
353 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
354 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
355 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
356 [NL80211_PMSR_ATTR_PEERS] =
aeddc05f 357 NLA_POLICY_NESTED_ARRAY(nl80211_pmsr_peer_attr_policy),
9bb7e0f2
JB		 358};
359
796e90f4
JC		 360static const struct nla_policy
361he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
362 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
363 NLA_POLICY_RANGE(NLA_U8, 1, 20),
364 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
365 NLA_POLICY_RANGE(NLA_U8, 1, 20),
f5bec330
RM		 366 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
367 NLA_POLICY_RANGE(NLA_U8, 1, 20),
368 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
369 NLA_POLICY_EXACT_LEN(8),
370 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
371 NLA_POLICY_EXACT_LEN(8),
372 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
796e90f4
JC		 373};
374
5c5e52d1
JC		 375static const struct nla_policy
376he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
377 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
378 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
379 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
380};
381
9a5f6488
TC		 382static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
383 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
384 .len = NL80211_MAX_SUPP_RATES },
385 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
386 .len = NL80211_MAX_SUPP_HT_RATES },
387 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
388 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
eb89a6a6
MH		 389 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
390 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
391 NL80211_RATE_INFO_HE_GI_0_8,
392 NL80211_RATE_INFO_HE_GI_3_2),
393 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
394 NL80211_RATE_INFO_HE_1XLTF,
395 NL80211_RATE_INFO_HE_4XLTF),
9a5f6488
TC		 396};
397
77f576de
T		 398static const struct nla_policy
399nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
3710a8a6
JB		 400 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
401 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
77f576de 402 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
3710a8a6 403 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
77f576de
T		 404 [NL80211_TID_CONFIG_ATTR_NOACK] =
405 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
6a21d16c
T		 406 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
407 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
ade274b2
T		 408 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
409 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
04f7d142
T		 410 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
411 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
33462e68
SM		 412 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
413 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
9a5f6488
TC		 414 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
415 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
416 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
417 NLA_POLICY_NESTED(nl80211_txattr_policy),
77f576de
T		 418};
419
291c49de
AD		 420static const struct nla_policy
421nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
422 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
423 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
272cd0e8
AD		 424 [NL80211_FILS_DISCOVERY_ATTR_TMPL] =
425 NLA_POLICY_RANGE(NLA_BINARY,
426 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
427 IEEE80211_MAX_DATA_LEN),
291c49de
AD		 428};
429
7443dcd1
AD		 430static const struct nla_policy
431nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
432 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
433 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
434 .len = IEEE80211_MAX_DATA_LEN }
435};
436
6bdb68ce
CH		 437static const struct nla_policy
438sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
439 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
440 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
441};
442
443static const struct nla_policy
444sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
445 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
446 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
447};
448
dc1e3cb8
JC		 449static const struct nla_policy
450nl80211_mbssid_config_policy[NL80211_MBSSID_CONFIG_ATTR_MAX + 1] = {
451 [NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES] = NLA_POLICY_MIN(NLA_U8, 2),
452 [NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY] =
453 NLA_POLICY_MIN(NLA_U8, 1),
454 [NL80211_MBSSID_CONFIG_ATTR_INDEX] = { .type = NLA_U8 },
455 [NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX] = { .type = NLA_U32 },
456 [NL80211_MBSSID_CONFIG_ATTR_EMA] = { .type = NLA_FLAG },
457};
458
ff5c4dc4
JB		 459static const struct nla_policy
460nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
461 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
462 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
463};
464
d15da2a2 465static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
6d4dd4ef 466 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
55682965
JB		 467 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
468 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
079e24ed 469 .len = 20-1 },
31888487 470 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
3d9d1d66 471
72bdcf34 472 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
094d05dc 473 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
2a38075c
AAL		 474 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
475 NL80211_EDMG_CHANNELS_MIN,
476 NL80211_EDMG_CHANNELS_MAX),
477 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
478 NL80211_EDMG_BW_CONFIG_MIN,
479 NL80211_EDMG_BW_CONFIG_MAX),
480
3d9d1d66
JB		 481 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
482 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
942ba88b 483 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
3d9d1d66
JB		 484 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
485
ab0d76f6
JB		 486 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
487 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
b9a5f8ca
JM		 488 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
489 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
81077e82 490 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
3057dbfd 491 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
55682965 492
ab0d76f6 493 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
55682965
JB		 494 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
495 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
41ade00f 496
c7721c05
JB		 497 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
498 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
41ade00f 499
b9454e83 500 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
41ade00f
JB		 501 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
502 .len = WLAN_MAX_KEY_LEN },
56be393f 503 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
41ade00f
JB		 504 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
505 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
81962267 506 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
ab0d76f6
JB		 507 [NL80211_ATTR_KEY_TYPE] =
508 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
ed1b6cc7
JB		 509
510 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
511 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
f88eb7c0
JB		 512 [NL80211_ATTR_BEACON_HEAD] =
513 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
514 IEEE80211_MAX_DATA_LEN),
3d7af878
JB		 515 [NL80211_ATTR_BEACON_TAIL] =
516 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
517 IEEE80211_MAX_DATA_LEN),
ab0d76f6
JB		 518 [NL80211_ATTR_STA_AID] =
519 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
5727ef1b
JB		 520 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
521 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
522 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
523 .len = NL80211_MAX_SUPP_RATES },
ab0d76f6
JB		 524 [NL80211_ATTR_STA_PLINK_ACTION] =
525 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
e96d1cd2
ARN		 526 [NL80211_ATTR_STA_TX_POWER_SETTING] =
527 NLA_POLICY_RANGE(NLA_U8,
528 NL80211_TX_POWER_AUTOMATIC,
529 NL80211_TX_POWER_FIXED),
530 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
5727ef1b 531 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
0a9542ee 532 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
2ec600d6 533 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
a4f606ea 534 .len = IEEE80211_MAX_MESH_ID_LEN },
1fab1b89 535 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
9f1ba906 536
6624bb34
JB		 537 /* allow 3 for NUL-termination, we used to declare this NLA_STRING */
538 [NL80211_ATTR_REG_ALPHA2] = NLA_POLICY_RANGE(NLA_BINARY, 2, 3),
b2e1b302
LR		 539 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
540
9f1ba906
JM		 541 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
542 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
543 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
90c97a04
JM		 544 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
545 .len = NL80211_MAX_SUPP_RATES },
50b12f59 546 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
36aedc90 547
24bdd9f4 548 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
15d5dda6 549 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
93da9cc1 550
c7721c05 551 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
9aed3cc1
JM		 552
553 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
3d7af878
JB		 554 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
555 validate_ie_attr,
556 IEEE80211_MAX_DATA_LEN),
2a519311
JB		 557 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
558 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
636a5d36
JM		 559
560 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
561 .len = IEEE80211_MAX_SSID_LEN },
562 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
563 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
04a773ad 564 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
1965c853 565 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
ab0d76f6
JB		 566 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
567 NL80211_MFP_NO,
568 NL80211_MFP_OPTIONAL),
ff5c4dc4
JB		 569 [NL80211_ATTR_STA_FLAGS2] =
570 NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_sta_flag_update)),
3f77316c 571 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
c0692b8f
JB		 572 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
573 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
64bf3d4b 574 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
b23aa676 575 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
ea750801 576 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
b23aa676
SO		 577 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
578 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
463d0183 579 [NL80211_ATTR_PID] = { .type = NLA_U32 },
8b787643 580 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
c7721c05 581 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
9588bbd5
JM		 582 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
583 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
13ae75b1 584 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
026331c4
JM		 585 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
586 .len = IEEE80211_MAX_DATA_LEN },
587 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
ab0d76f6
JB		 588 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
589 NL80211_PS_DISABLED,
590 NL80211_PS_ENABLED),
d6dc1a38 591 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
d5cdfacb 592 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
fd8aaaf3 593 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
98d2ff8b
JO		 594 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
595 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
2e161f78 596 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
afe0cbf8
BR		 597 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
598 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
885a46d0 599 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
f7ca38df 600 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
dbd2fd65 601 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
ff1b6e69 602 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
ab0d76f6
JB		 603 [NL80211_ATTR_STA_PLINK_STATE] =
604 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
056e9375
JK		 605 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
606 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
ab0d76f6
JB		 607 [NL80211_ATTR_MESH_PEER_AID] =
608 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
bbe6ad6d 609 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
e5497d76 610 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
34850ab2 611 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
ab0d76f6
JB		 612 [NL80211_ATTR_HIDDEN_SSID] =
613 NLA_POLICY_RANGE(NLA_U32,
614 NL80211_HIDDEN_SSID_NOT_IN_USE,
615 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
3d7af878
JB		 616 [NL80211_ATTR_IE_PROBE_RESP] =
617 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
618 IEEE80211_MAX_DATA_LEN),
619 [NL80211_ATTR_IE_ASSOC_RESP] =
620 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
621 IEEE80211_MAX_DATA_LEN),
f4b34b55 622 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
ff5c4dc4 623 [NL80211_ATTR_STA_WME] = NLA_POLICY_NESTED(nl80211_sta_wme_policy),
a1f1c21c 624 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
e9f935e3 625 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
109086ce
AN		 626 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
627 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
628 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
629 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
630 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
31fa97c5 631 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
e247bd90 632 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
00f740e1
AN		 633 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
634 .len = IEEE80211_MAX_DATA_LEN },
8b60b078 635 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
7e7c8926
BG		 636 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
637 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
638 .len = NL80211_HT_CAPABILITY_LEN
639 },
1d9d9213 640 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
1b658f11 641 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
4486ea98 642 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
89a54e48 643 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
57b5ce07 644 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
cb9abd48
JB		 645
646 /* need to include at least Auth Transaction and Status Code */
647 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
648
c7721c05 649 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
ed473771 650 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
ab0d76f6
JB		 651 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
652 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
653 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
654 NLA_POLICY_RANGE(NLA_U32,
655 NL80211_MESH_POWER_UNKNOWN + 1,
656 NL80211_MESH_POWER_MAX),
77765eaf
VT		 657 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
658 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
9d62a986
JM		 659 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
660 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
3713b4e3 661 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
ee2aca34
JB		 662 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
663 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
664 .len = NL80211_VHT_CAPABILITY_LEN,
665 },
355199e0
JM		 666 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
667 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
668 .len = IEEE80211_MAX_DATA_LEN },
0e1a1d85 669 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
cb9abd48
JB		 670 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
671 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
ab0d76f6
JB		 672 [NL80211_ATTR_PEER_AID] =
673 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
16ef1fe2
SW		 674 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
675 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
676 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
00c207ed
JC		 677 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
678 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
cb9abd48 679 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
c8b82802
JB		 680 /*
681 * The value of the Length field of the Supported Operating
682 * Classes element is between 2 and 253.
683 */
684 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
685 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
5336fa88 686 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
60f4a7b1 687 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
ad7e718c
JB		 688 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
689 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
690 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
c8b82802
JB		 691 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
692 IEEE80211_QOS_MAP_LEN_MIN,
693 IEEE80211_QOS_MAP_LEN_MAX),
c7721c05 694 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
1df4a510 695 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
df942e7b 696 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
18e5ca65 697 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
34d22ce2 698 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
bab5ab7d 699 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
ab0d76f6
JB		 700 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
701 [NL80211_ATTR_USER_PRIO] =
702 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
960d01ac 703 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
18998c38 704 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
5cde05c6 705 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
c7721c05 706 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
1bdd716c 707 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
4b681c82 708 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
9c748934 709 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
05050753 710 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
34d50519 711 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
38de03d2 712 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
ab0d76f6
JB		 713 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
714 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
c6e6a0c8
AE		 715 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
716 .len = VHT_MUMIMO_GROUPS_DATA_LEN
717 },
c7721c05 718 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
ab0d76f6 719 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
8585989d 720 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
a442b761 721 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
348bd456
JM		 722 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
723 .len = FILS_MAX_KEK_LEN },
c7721c05 724 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
ce0ce13a 725 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
c7721c05 726 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
bf95ecdb 727 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
728 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
729 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
730 },
3093ebbe 731 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
a3caf744
VK		 732 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
733 .len = FILS_ERP_MAX_USERNAME_LEN },
734 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
735 .len = FILS_ERP_MAX_REALM_LEN },
736 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
737 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
738 .len = FILS_ERP_MAX_RRK_LEN },
c7721c05 739 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
a3caf744 740 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
cb9abd48 741 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
ca986ad9 742 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
40cbfa90 743 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
52539ca8
THJ		 744
745 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
746 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
747 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
c8b82802 748 [NL80211_ATTR_HE_CAPABILITY] =
a3a20feb
JB		 749 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_he_capa,
750 NL80211_HE_MAX_CAPABILITY_LEN),
0e012b4e
JB		 751 [NL80211_ATTR_FTM_RESPONDER] =
752 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
9bb7e0f2
JB		 753 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
754 [NL80211_ATTR_PEER_MEASUREMENTS] =
23323289 755 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
36647055 756 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
26f7044e
CHH		 757 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
758 .len = SAE_PASSWORD_MAX_LEN },
a0de1ca3 759 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
796e90f4 760 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
14f34e36 761 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
5c5e52d1 762 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
77f576de
T		 763 [NL80211_ATTR_TID_CONFIG] =
764 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
5631d96a 765 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
7fc82af8
VJ		 766 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
767 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
9dba48a6 768 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
942ba88b 769 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
2032f3b2 770 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
8140860c
JB		 771 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
772 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
291c49de
AD		 773 [NL80211_ATTR_FILS_DISCOVERY] =
774 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
7443dcd1
AD		 775 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
776 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
d2b7588a
TP		 777 [NL80211_ATTR_S1G_CAPABILITY] =
778 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
779 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
780 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
9f0ffa41
RD		 781 [NL80211_ATTR_SAE_PWE] =
782 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
783 NL80211_SAE_PWE_BOTH),
3bb02143 784 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
6bdb68ce 785 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
b6db0f89 786 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
0d2ab3ae
JC		 787 [NL80211_ATTR_OBSS_COLOR_BITMAP] = { .type = NLA_U64 },
788 [NL80211_ATTR_COLOR_CHANGE_COUNT] = { .type = NLA_U8 },
789 [NL80211_ATTR_COLOR_CHANGE_COLOR] = { .type = NLA_U8 },
790 [NL80211_ATTR_COLOR_CHANGE_ELEMS] = NLA_POLICY_NESTED(nl80211_policy),
dc1e3cb8
JC		 791 [NL80211_ATTR_MBSSID_CONFIG] =
792 NLA_POLICY_NESTED(nl80211_mbssid_config_policy),
793 [NL80211_ATTR_MBSSID_ELEMS] = { .type = NLA_NESTED },
a95bfb87 794 [NL80211_ATTR_RADAR_BACKGROUND] = { .type = NLA_FLAG },
47301a74 795 [NL80211_ATTR_AP_SETTINGS_FLAGS] = { .type = NLA_U32 },
ea05fd35
IP		 796 [NL80211_ATTR_EHT_CAPABILITY] =
797 NLA_POLICY_RANGE(NLA_BINARY,
798 NL80211_EHT_MIN_CAPABILITY_LEN,
799 NL80211_EHT_MAX_CAPABILITY_LEN),
36f84235 800 [NL80211_ATTR_DISABLE_EHT] = { .type = NLA_FLAG },
7b0a0e3c
JB		 801 [NL80211_ATTR_MLO_LINKS] =
802 NLA_POLICY_NESTED_ARRAY(nl80211_policy),
803 [NL80211_ATTR_MLO_LINK_ID] =
804 NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS),
d648c230 805 [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN),
efbabc11 806 [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
ecad3b0b 807 [NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT },
55682965
JB		 808};
809
e31b8213 810/* policy for the key attributes */
b54452b0 811static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
fffd0934 812 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
b9454e83
JB		 813 [NL80211_KEY_IDX] = { .type = NLA_U8 },
814 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
81962267 815 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
b9454e83
JB		 816 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
817 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
ab0d76f6 818 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
dbd2fd65 819 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
6cdd3979 820 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
dbd2fd65
JB		 821};
822
823/* policy for the key default flags */
824static const struct nla_policy
825nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
826 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
827 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
b9454e83
JB		 828};
829
f83ace3b 830#ifdef CONFIG_PM
ff1b6e69
JB		 831/* policy for WoWLAN attributes */
832static const struct nla_policy
833nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
834 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
835 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
836 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
837 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
77dbbb13
JB		 838 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
839 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
840 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
841 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
2a0e047e 842 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
8cd4d456 843 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
2a0e047e
JB		 844};
845
846static const struct nla_policy
847nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
848 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
849 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
c7721c05 850 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
2a0e047e
JB		 851 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
852 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
bc043585 853 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
2a0e047e
JB		 854 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
855 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
856 },
857 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
858 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
859 },
860 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
bc043585
JB		 861 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
862 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
ff1b6e69 863};
f83ace3b 864#endif /* CONFIG_PM */
ff1b6e69 865
be29b99a
AK		 866/* policy for coalesce rule attributes */
867static const struct nla_policy
868nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
869 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
ab0d76f6
JB		 870 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
871 NLA_POLICY_RANGE(NLA_U32,
872 NL80211_COALESCE_CONDITION_MATCH,
873 NL80211_COALESCE_CONDITION_NO_MATCH),
be29b99a
AK		 874 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
875};
876
e5497d76
JB		 877/* policy for GTK rekey offload attributes */
878static const struct nla_policy
879nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
093a48d2
NE		 880 [NL80211_REKEY_DATA_KEK] = {
881 .type = NLA_BINARY,
882 .len = NL80211_KEK_EXT_LEN
883 },
884 [NL80211_REKEY_DATA_KCK] = {
885 .type = NLA_BINARY,
886 .len = NL80211_KCK_EXT_LEN
887 },
cb9abd48 888 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
093a48d2 889 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
e5497d76
JB		 890};
891
1e1b11b6 892static const struct nla_policy
893nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
894 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
895 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
e548a1c3 896 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
1e1b11b6 897 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
63fa0426 898 [NL80211_BAND_LC] = { .type = NLA_S32 },
1e1b11b6 899};
900
a1f1c21c
LC		 901static const struct nla_policy
902nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
4a4ab0d7 903 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
a1f1c21c 904 .len = IEEE80211_MAX_SSID_LEN },
c7721c05 905 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
88e920b4 906 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
1e1b11b6 907 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
908 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
a1f1c21c
LC		 909};
910
3b06d277
AS		 911static const struct nla_policy
912nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
913 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
914 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
915};
916
38de03d2
AS		 917static const struct nla_policy
918nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
919 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
920 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
921 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
922 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
923 },
924};
925
a442b761
AB		 926/* policy for NAN function attributes */
927static const struct nla_policy
928nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
cb9abd48
JB		 929 [NL80211_NAN_FUNC_TYPE] =
930 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
0a27844c 931 [NL80211_NAN_FUNC_SERVICE_ID] = {
a442b761
AB		 932 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
933 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
934 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
935 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
936 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
937 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
c7721c05 938 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
a442b761
AB		 939 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
940 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
941 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
942 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
943 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
944 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
945 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
946 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
947 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
948};
949
950/* policy for Service Response Filter attributes */
951static const struct nla_policy
952nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
953 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
954 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
955 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
956 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
957 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
958};
959
ad670233
PX		 960/* policy for packet pattern attributes */
961static const struct nla_policy
962nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
963 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
964 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
965 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
966};
967
ce6b6974
JB		 968static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
969 struct cfg80211_registered_device **rdev,
970 struct wireless_dev **wdev,
971 struct nlattr **attrbuf)
a043897a 972{
97990a06 973 int err;
a043897a 974
97990a06 975 if (!cb->args[0]) {
ce6b6974
JB		 976 struct nlattr **attrbuf_free = NULL;
977
978 if (!attrbuf) {
979 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
980 GFP_KERNEL);
981 if (!attrbuf)
982 return -ENOMEM;
983 attrbuf_free = attrbuf;
984 }
50508d94 985
8cb08174
JB		 986 err = nlmsg_parse_deprecated(cb->nlh,
987 GENL_HDRLEN + nl80211_fam.hdrsize,
50508d94 988 attrbuf, nl80211_fam.maxattr,
8cb08174 989 nl80211_policy, NULL);
50508d94 990 if (err) {
ce6b6974 991 kfree(attrbuf_free);
ea90e0dc 992 return err;
50508d94 993 }
67748893 994
a05829a7
JB		 995 rtnl_lock();
996 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
50508d94 997 attrbuf);
ce6b6974 998 kfree(attrbuf_free);
a05829a7
JB		 999 if (IS_ERR(*wdev)) {
1000 rtnl_unlock();
ea90e0dc 1001 return PTR_ERR(*wdev);
a05829a7 1002 }
f26cbf40 1003 *rdev = wiphy_to_rdev((*wdev)->wiphy);
a05829a7
JB		 1004 mutex_lock(&(*rdev)->wiphy.mtx);
1005 rtnl_unlock();
c319d50b
JB		 1006 /* 0 is the first index - add 1 to parse only once */
1007 cb->args[0] = (*rdev)->wiphy_idx + 1;
97990a06
JB		 1008 cb->args[1] = (*wdev)->identifier;
1009 } else {
c319d50b 1010 /* subtract the 1 again here */
a05829a7 1011 struct wiphy *wiphy;
97990a06 1012 struct wireless_dev *tmp;
67748893 1013
a05829a7
JB		 1014 rtnl_lock();
1015 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
1016 if (!wiphy) {
1017 rtnl_unlock();
ea90e0dc 1018 return -ENODEV;
a05829a7 1019 }
f26cbf40 1020 *rdev = wiphy_to_rdev(wiphy);
97990a06 1021 *wdev = NULL;
67748893 1022
53873f13 1023 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
97990a06
JB		 1024 if (tmp->identifier == cb->args[1]) {
1025 *wdev = tmp;
1026 break;
1027 }
1028 }
67748893 1029
a05829a7
JB		 1030 if (!*wdev) {
1031 rtnl_unlock();
ea90e0dc 1032 return -ENODEV;
a05829a7
JB		 1033 }
1034 mutex_lock(&(*rdev)->wiphy.mtx);
1035 rtnl_unlock();
67748893
JB		 1036 }
1037
67748893 1038 return 0;
67748893
JB		 1039}
1040
55682965 1041/* message building helper */
9bb7e0f2
JB		 1042void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1043 int flags, u8 cmd)
55682965
JB		 1044{
1045 /* since there is no private header just add the generic one */
15e47304 1046 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
55682965
JB		 1047}
1048
50f32718
HD		 1049static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1050 const struct ieee80211_reg_rule *rule)
1051{
1052 int j;
1053 struct nlattr *nl_wmm_rules =
ae0be8de 1054 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
50f32718
HD		 1055
1056 if (!nl_wmm_rules)
1057 goto nla_put_failure;
1058
1059 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
ae0be8de 1060 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
50f32718
HD		 1061
1062 if (!nl_wmm_rule)
1063 goto nla_put_failure;
1064
1065 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
38cb87ee 1066 rule->wmm_rule.client[j].cw_min) ||
50f32718 1067 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
38cb87ee 1068 rule->wmm_rule.client[j].cw_max) ||
50f32718 1069 nla_put_u8(msg, NL80211_WMMR_AIFSN,
38cb87ee 1070 rule->wmm_rule.client[j].aifsn) ||
d3c89bbc
HD		 1071 nla_put_u16(msg, NL80211_WMMR_TXOP,
1072 rule->wmm_rule.client[j].cot))
50f32718
HD		 1073 goto nla_put_failure;
1074
1075 nla_nest_end(msg, nl_wmm_rule);
1076 }
1077 nla_nest_end(msg, nl_wmm_rules);
1078
1079 return 0;
1080
1081nla_put_failure:
1082 return -ENOBUFS;
1083}
1084
1085static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
cdc89b97
JB		 1086 struct ieee80211_channel *chan,
1087 bool large)
5dab3b8a 1088{
ea077c1c
RL		 1089 /* Some channels must be completely excluded from the
1090 * list to protect old user-space tools from breaking
1091 */
1092 if (!large && chan->flags &
1093 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1094 return 0;
f8d504ca
JB		 1095 if (!large && chan->freq_offset)
1096 return 0;
ea077c1c 1097
9360ffd1
DM		 1098 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1099 chan->center_freq))
1100 goto nla_put_failure;
5dab3b8a 1101
942ba88b
TP		 1102 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1103 goto nla_put_failure;
1104
9360ffd1
DM		 1105 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1106 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1107 goto nla_put_failure;
8fe02e16
LR		 1108 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1109 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1110 goto nla_put_failure;
1111 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1112 goto nla_put_failure;
1113 }
cdc89b97
JB		 1114 if (chan->flags & IEEE80211_CHAN_RADAR) {
1115 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1116 goto nla_put_failure;
1117 if (large) {
1118 u32 time;
1119
1120 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1121
1122 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1123 chan->dfs_state))
1124 goto nla_put_failure;
1125 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1126 time))
1127 goto nla_put_failure;
089027e5
JD		 1128 if (nla_put_u32(msg,
1129 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1130 chan->dfs_cac_ms))
1131 goto nla_put_failure;
cdc89b97
JB		 1132 }
1133 }
5dab3b8a 1134
fe1abafd
JB		 1135 if (large) {
1136 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1137 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1138 goto nla_put_failure;
1139 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1140 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1141 goto nla_put_failure;
1142 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1143 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1144 goto nla_put_failure;
1145 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1146 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1147 goto nla_put_failure;
570dbde1
DS		 1148 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1149 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1150 goto nla_put_failure;
06f207fc
AN		 1151 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1152 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
570dbde1 1153 goto nla_put_failure;
ea077c1c
RL		 1154 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1155 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1156 goto nla_put_failure;
1157 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1158 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1159 goto nla_put_failure;
1e61d82c
HD		 1160 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1161 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1162 goto nla_put_failure;
d65a9770
TP		 1163 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1164 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1165 goto nla_put_failure;
1166 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1167 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1168 goto nla_put_failure;
1169 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1170 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1171 goto nla_put_failure;
1172 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1173 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1174 goto nla_put_failure;
1175 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1176 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1177 goto nla_put_failure;
c2b3d769
S		 1178 if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
1179 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
1180 goto nla_put_failure;
31846b65
IP		 1181 if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
1182 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
1183 goto nla_put_failure;
fe1abafd
JB		 1184 }
1185
9360ffd1
DM		 1186 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1187 DBM_TO_MBM(chan->max_power)))
1188 goto nla_put_failure;
5dab3b8a 1189
50f32718
HD		 1190 if (large) {
1191 const struct ieee80211_reg_rule *rule =
b88d26d9 1192 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
50f32718 1193
38cb87ee 1194 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
50f32718
HD		 1195 if (nl80211_msg_put_wmm_rules(msg, rule))
1196 goto nla_put_failure;
1197 }
1198 }
1199
5dab3b8a
LR		 1200 return 0;
1201
1202 nla_put_failure:
1203 return -ENOBUFS;
1204}
1205
52539ca8
THJ		 1206static bool nl80211_put_txq_stats(struct sk_buff *msg,
1207 struct cfg80211_txq_stats *txqstats,
1208 int attrtype)
1209{
1210 struct nlattr *txqattr;
1211
1212#define PUT_TXQVAL_U32(attr, memb) do { \
1213 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1214 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1215 return false; \
1216 } while (0)
1217
ae0be8de 1218 txqattr = nla_nest_start_noflag(msg, attrtype);
52539ca8
THJ		 1219 if (!txqattr)
1220 return false;
1221
1222 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1223 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1224 PUT_TXQVAL_U32(FLOWS, flows);
1225 PUT_TXQVAL_U32(DROPS, drops);
1226 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1227 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1228 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1229 PUT_TXQVAL_U32(COLLISIONS, collisions);
1230 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1231 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1232 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1233 nla_nest_end(msg, txqattr);
1234
1235#undef PUT_TXQVAL_U32
1236 return true;
1237}
1238
55682965
JB		 1239/* netlink command implementations */
1240
7b0a0e3c
JB		 1241/**
1242 * nl80211_link_id - return link ID
1243 * @attrs: attributes to look at
1244 *
1245 * Returns: the link ID or 0 if not given
1246 *
1247 * Note this function doesn't do any validation of the link
1248 * ID validity wrt. links that were actually added, so it must
1249 * be called only from ops with %NL80211_FLAG_MLO_VALID_LINK_ID
1250 * or if additional validation is done.
1251 */
1252static unsigned int nl80211_link_id(struct nlattr **attrs)
1253{
1254 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1255
1256 if (!linkid)
1257 return 0;
1258
1259 return nla_get_u8(linkid);
1260}
1261
1262static int nl80211_link_id_or_invalid(struct nlattr **attrs)
1263{
1264 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1265
1266 if (!linkid)
1267 return -1;
1268
1269 return nla_get_u8(linkid);
1270}
1271
b9454e83
JB		 1272struct key_parse {
1273 struct key_params p;
1274 int idx;
e31b8213 1275 int type;
56be393f 1276 bool def, defmgmt, defbeacon;
dbd2fd65 1277 bool def_uni, def_multi;
b9454e83
JB		 1278};
1279
768075eb
JB		 1280static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1281 struct key_parse *k)
b9454e83
JB		 1282{
1283 struct nlattr *tb[NL80211_KEY_MAX + 1];
8cb08174
JB		 1284 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1285 nl80211_key_policy,
1286 info->extack);
b9454e83
JB		 1287 if (err)
1288 return err;
1289
1290 k->def = !!tb[NL80211_KEY_DEFAULT];
1291 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
56be393f 1292 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
b9454e83 1293
dbd2fd65
JB		 1294 if (k->def) {
1295 k->def_uni = true;
1296 k->def_multi = true;
1297 }
56be393f 1298 if (k->defmgmt || k->defbeacon)
dbd2fd65
JB		 1299 k->def_multi = true;
1300
b9454e83
JB		 1301 if (tb[NL80211_KEY_IDX])
1302 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1303
1304 if (tb[NL80211_KEY_DATA]) {
1305 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1306 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1307 }
1308
1309 if (tb[NL80211_KEY_SEQ]) {
1310 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1311 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1312 }
1313
1314 if (tb[NL80211_KEY_CIPHER])
1315 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1316
ab0d76f6 1317 if (tb[NL80211_KEY_TYPE])
e31b8213 1318 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
e31b8213 1319
dbd2fd65
JB		 1320 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1321 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
7a087e74 1322
8cb08174
JB		 1323 err = nla_parse_nested_deprecated(kdt,
1324 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1325 tb[NL80211_KEY_DEFAULT_TYPES],
1326 nl80211_key_default_policy,
1327 info->extack);
dbd2fd65
JB		 1328 if (err)
1329 return err;
1330
1331 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1332 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1333 }
1334
6cdd3979
AW		 1335 if (tb[NL80211_KEY_MODE])
1336 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1337
b9454e83
JB		 1338 return 0;
1339}
1340
1341static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1342{
1343 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1344 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1345 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1346 }
1347
1348 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1349 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1350 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1351 }
1352
1353 if (info->attrs[NL80211_ATTR_KEY_IDX])
1354 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1355
1356 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1357 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1358
1359 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1360 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1361
dbd2fd65
JB		 1362 if (k->def) {
1363 k->def_uni = true;
1364 k->def_multi = true;
1365 }
1366 if (k->defmgmt)
1367 k->def_multi = true;
1368
ab0d76f6 1369 if (info->attrs[NL80211_ATTR_KEY_TYPE])
e31b8213 1370 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
e31b8213 1371
dbd2fd65
JB		 1372 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1373 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
8cb08174
JB		 1374 int err = nla_parse_nested_deprecated(kdt,
1375 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1376 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1377 nl80211_key_default_policy,
1378 info->extack);
dbd2fd65
JB		 1379 if (err)
1380 return err;
1381
1382 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1383 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1384 }
1385
b9454e83
JB		 1386 return 0;
1387}
1388
1389static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1390{
1391 int err;
1392
1393 memset(k, 0, sizeof(*k));
1394 k->idx = -1;
e31b8213 1395 k->type = -1;
b9454e83
JB		 1396
1397 if (info->attrs[NL80211_ATTR_KEY])
768075eb 1398 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
b9454e83
JB		 1399 else
1400 err = nl80211_parse_key_old(info, k);
1401
1402 if (err)
1403 return err;
1404
56be393f
JM		 1405 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1406 (k->defbeacon ? 1 : 0) > 1) {
1407 GENL_SET_ERR_MSG(info,
1408 "key with multiple default flags is invalid");
b9454e83 1409 return -EINVAL;
768075eb 1410 }
b9454e83 1411
56be393f 1412 if (k->defmgmt || k->defbeacon) {
768075eb 1413 if (k->def_uni || !k->def_multi) {
56be393f
JM		 1414 GENL_SET_ERR_MSG(info,
1415 "defmgmt/defbeacon key must be mcast");
dbd2fd65 1416 return -EINVAL;
768075eb 1417 }
dbd2fd65
JB		 1418 }
1419
b9454e83
JB		 1420 if (k->idx != -1) {
1421 if (k->defmgmt) {
768075eb
JB		 1422 if (k->idx < 4 || k->idx > 5) {
1423 GENL_SET_ERR_MSG(info,
1424 "defmgmt key idx not 4 or 5");
b9454e83 1425 return -EINVAL;
768075eb 1426 }
56be393f
JM		 1427 } else if (k->defbeacon) {
1428 if (k->idx < 6 || k->idx > 7) {
1429 GENL_SET_ERR_MSG(info,
1430 "defbeacon key idx not 6 or 7");
1431 return -EINVAL;
1432 }
b9454e83 1433 } else if (k->def) {
768075eb
JB		 1434 if (k->idx < 0 || k->idx > 3) {
1435 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
b9454e83 1436 return -EINVAL;
768075eb 1437 }
b9454e83 1438 } else {
56be393f
JM		 1439 if (k->idx < 0 || k->idx > 7) {
1440 GENL_SET_ERR_MSG(info, "key idx not 0-7");
b9454e83 1441 return -EINVAL;
768075eb 1442 }
b9454e83
JB		 1443 }
1444 }
1445
1446 return 0;
1447}
1448
fffd0934
JB		 1449static struct cfg80211_cached_keys *
1450nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
768075eb 1451 struct genl_info *info, bool *no_ht)
fffd0934 1452{
768075eb 1453 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
fffd0934
JB		 1454 struct key_parse parse;
1455 struct nlattr *key;
1456 struct cfg80211_cached_keys *result;
1457 int rem, err, def = 0;
f1c1f17a
JB		 1458 bool have_key = false;
1459
1460 nla_for_each_nested(key, keys, rem) {
1461 have_key = true;
1462 break;
1463 }
1464
1465 if (!have_key)
1466 return NULL;
fffd0934
JB		 1467
1468 result = kzalloc(sizeof(*result), GFP_KERNEL);
1469 if (!result)
1470 return ERR_PTR(-ENOMEM);
1471
1472 result->def = -1;
fffd0934
JB		 1473
1474 nla_for_each_nested(key, keys, rem) {
1475 memset(&parse, 0, sizeof(parse));
1476 parse.idx = -1;
1477
768075eb 1478 err = nl80211_parse_key_new(info, key, &parse);
fffd0934
JB		 1479 if (err)
1480 goto error;
1481 err = -EINVAL;
1482 if (!parse.p.key)
1483 goto error;
768075eb
JB		 1484 if (parse.idx < 0 || parse.idx > 3) {
1485 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
fffd0934 1486 goto error;
768075eb 1487 }
fffd0934 1488 if (parse.def) {
768075eb
JB		 1489 if (def) {
1490 GENL_SET_ERR_MSG(info,
1491 "only one key can be default");
fffd0934 1492 goto error;
768075eb 1493 }
fffd0934
JB		 1494 def = 1;
1495 result->def = parse.idx;
dbd2fd65
JB		 1496 if (!parse.def_uni || !parse.def_multi)
1497 goto error;
fffd0934
JB		 1498 } else if (parse.defmgmt)
1499 goto error;
1500 err = cfg80211_validate_key_settings(rdev, &parse.p,
e31b8213 1501 parse.idx, false, NULL);
fffd0934
JB		 1502 if (err)
1503 goto error;
386b1f27
JB		 1504 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1505 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
768075eb 1506 GENL_SET_ERR_MSG(info, "connect key must be WEP");
386b1f27
JB		 1507 err = -EINVAL;
1508 goto error;
1509 }
fffd0934
JB		 1510 result->params[parse.idx].cipher = parse.p.cipher;
1511 result->params[parse.idx].key_len = parse.p.key_len;
1512 result->params[parse.idx].key = result->data[parse.idx];
1513 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
de7044ee 1514
386b1f27
JB		 1515 /* must be WEP key if we got here */
1516 if (no_ht)
1517 *no_ht = true;
fffd0934
JB		 1518 }
1519
f1c1f17a
JB		 1520 if (result->def < 0) {
1521 err = -EINVAL;
768075eb 1522 GENL_SET_ERR_MSG(info, "need a default/TX key");
f1c1f17a
JB		 1523 goto error;
1524 }
1525
fffd0934
JB		 1526 return result;
1527 error:
1528 kfree(result);
1529 return ERR_PTR(err);
1530}
1531
1532static int nl80211_key_allowed(struct wireless_dev *wdev)
1533{
1534 ASSERT_WDEV_LOCK(wdev);
1535
fffd0934
JB		 1536 switch (wdev->iftype) {
1537 case NL80211_IFTYPE_AP:
1538 case NL80211_IFTYPE_AP_VLAN:
074ac8df 1539 case NL80211_IFTYPE_P2P_GO:
ff973af7 1540 case NL80211_IFTYPE_MESH_POINT:
fffd0934
JB		 1541 break;
1542 case NL80211_IFTYPE_ADHOC:
7b0a0e3c
JB		 1543 if (wdev->u.ibss.current_bss)
1544 return 0;
1545 return -ENOLINK;
fffd0934 1546 case NL80211_IFTYPE_STATION:
074ac8df 1547 case NL80211_IFTYPE_P2P_CLIENT:
7b0a0e3c
JB		 1548 if (wdev->connected)
1549 return 0;
1550 return -ENOLINK;
de4fcbad 1551 case NL80211_IFTYPE_UNSPECIFIED:
6e0bd6c3 1552 case NL80211_IFTYPE_OCB:
de4fcbad 1553 case NL80211_IFTYPE_MONITOR:
cb3b7d87 1554 case NL80211_IFTYPE_NAN:
de4fcbad
JB		 1555 case NL80211_IFTYPE_P2P_DEVICE:
1556 case NL80211_IFTYPE_WDS:
1557 case NUM_NL80211_IFTYPES:
fffd0934
JB		 1558 return -EINVAL;
1559 }
1560
1561 return 0;
1562}
1563
664834de 1564static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
942ba88b 1565 u32 freq)
664834de
JM		 1566{
1567 struct ieee80211_channel *chan;
1568
942ba88b 1569 chan = ieee80211_get_channel_khz(wiphy, freq);
664834de
JM		 1570 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1571 return NULL;
1572 return chan;
1573}
1574
7527a782
JB		 1575static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1576{
ae0be8de 1577 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
7527a782
JB		 1578 int i;
1579
1580 if (!nl_modes)
1581 goto nla_put_failure;
1582
1583 i = 0;
1584 while (ifmodes) {
9360ffd1
DM		 1585 if ((ifmodes & 1) && nla_put_flag(msg, i))
1586 goto nla_put_failure;
7527a782
JB		 1587 ifmodes >>= 1;
1588 i++;
1589 }
1590
1591 nla_nest_end(msg, nl_modes);
1592 return 0;
1593
1594nla_put_failure:
1595 return -ENOBUFS;
1596}
1597
1598static int nl80211_put_iface_combinations(struct wiphy *wiphy,
cdc89b97
JB		 1599 struct sk_buff *msg,
1600 bool large)
7527a782
JB		 1601{
1602 struct nlattr *nl_combis;
1603 int i, j;
1604
ae0be8de
MK		 1605 nl_combis = nla_nest_start_noflag(msg,
1606 NL80211_ATTR_INTERFACE_COMBINATIONS);
7527a782
JB		 1607 if (!nl_combis)
1608 goto nla_put_failure;
1609
1610 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1611 const struct ieee80211_iface_combination *c;
1612 struct nlattr *nl_combi, *nl_limits;
1613
1614 c = &wiphy->iface_combinations[i];
1615
ae0be8de 1616 nl_combi = nla_nest_start_noflag(msg, i + 1);
7527a782
JB		 1617 if (!nl_combi)
1618 goto nla_put_failure;
1619
ae0be8de
MK		 1620 nl_limits = nla_nest_start_noflag(msg,
1621 NL80211_IFACE_COMB_LIMITS);
7527a782
JB		 1622 if (!nl_limits)
1623 goto nla_put_failure;
1624
1625 for (j = 0; j < c->n_limits; j++) {
1626 struct nlattr *nl_limit;
1627
ae0be8de 1628 nl_limit = nla_nest_start_noflag(msg, j + 1);
7527a782
JB		 1629 if (!nl_limit)
1630 goto nla_put_failure;
9360ffd1
DM		 1631 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1632 c->limits[j].max))
1633 goto nla_put_failure;
7527a782
JB		 1634 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1635 c->limits[j].types))
1636 goto nla_put_failure;
1637 nla_nest_end(msg, nl_limit);
1638 }
1639
1640 nla_nest_end(msg, nl_limits);
1641
9360ffd1
DM		 1642 if (c->beacon_int_infra_match &&
1643 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1644 goto nla_put_failure;
1645 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1646 c->num_different_channels) ||
1647 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1648 c->max_interfaces))
1649 goto nla_put_failure;
cdc89b97 1650 if (large &&
8c48b50a
FF		 1651 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1652 c->radar_detect_widths) ||
1653 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1654 c->radar_detect_regions)))
cdc89b97 1655 goto nla_put_failure;
0c317a02
PK		 1656 if (c->beacon_int_min_gcd &&
1657 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1658 c->beacon_int_min_gcd))
1659 goto nla_put_failure;
7527a782
JB		 1660
1661 nla_nest_end(msg, nl_combi);
1662 }
1663
1664 nla_nest_end(msg, nl_combis);
1665
1666 return 0;
1667nla_put_failure:
1668 return -ENOBUFS;
1669}
1670
3713b4e3 1671#ifdef CONFIG_PM
b56cf720
JB		 1672static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1673 struct sk_buff *msg)
1674{
964dc9e2 1675 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
b56cf720
JB		 1676 struct nlattr *nl_tcp;
1677
1678 if (!tcp)
1679 return 0;
1680
ae0be8de
MK		 1681 nl_tcp = nla_nest_start_noflag(msg,
1682 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
b56cf720
JB		 1683 if (!nl_tcp)
1684 return -ENOBUFS;
1685
1686 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1687 tcp->data_payload_max))
1688 return -ENOBUFS;
1689
1690 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1691 tcp->data_payload_max))
1692 return -ENOBUFS;
1693
1694 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1695 return -ENOBUFS;
1696
1697 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1698 sizeof(*tcp->tok), tcp->tok))
1699 return -ENOBUFS;
1700
1701 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1702 tcp->data_interval_max))
1703 return -ENOBUFS;
1704
1705 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1706 tcp->wake_payload_max))
1707 return -ENOBUFS;
1708
1709 nla_nest_end(msg, nl_tcp);
1710 return 0;
1711}
1712
3713b4e3 1713static int nl80211_send_wowlan(struct sk_buff *msg,
1b8ec87a 1714 struct cfg80211_registered_device *rdev,
b56cf720 1715 bool large)
55682965 1716{
3713b4e3 1717 struct nlattr *nl_wowlan;
55682965 1718
1b8ec87a 1719 if (!rdev->wiphy.wowlan)
3713b4e3 1720 return 0;
55682965 1721
ae0be8de
MK		 1722 nl_wowlan = nla_nest_start_noflag(msg,
1723 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
3713b4e3
JB		 1724 if (!nl_wowlan)
1725 return -ENOBUFS;
9360ffd1 1726
1b8ec87a 1727 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
3713b4e3 1728 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1b8ec87a 1729 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
3713b4e3 1730 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1b8ec87a 1731 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
3713b4e3 1732 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1b8ec87a 1733 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
3713b4e3 1734 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1b8ec87a 1735 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
3713b4e3 1736 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1b8ec87a 1737 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
3713b4e3 1738 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1b8ec87a 1739 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
3713b4e3 1740 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1b8ec87a 1741 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
3713b4e3
JB		 1742 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1743 return -ENOBUFS;
9360ffd1 1744
1b8ec87a 1745 if (rdev->wiphy.wowlan->n_patterns) {
50ac6607 1746 struct nl80211_pattern_support pat = {
1b8ec87a
ZG		 1747 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1748 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1749 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1750 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
3713b4e3 1751 };
9360ffd1 1752
3713b4e3
JB		 1753 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1754 sizeof(pat), &pat))
1755 return -ENOBUFS;
1756 }
9360ffd1 1757
75453ccb
LC		 1758 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1759 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1760 rdev->wiphy.wowlan->max_nd_match_sets))
1761 return -ENOBUFS;
1762
1b8ec87a 1763 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
b56cf720
JB		 1764 return -ENOBUFS;
1765
3713b4e3 1766 nla_nest_end(msg, nl_wowlan);
9360ffd1 1767
3713b4e3
JB		 1768 return 0;
1769}
1770#endif
9360ffd1 1771
be29b99a 1772static int nl80211_send_coalesce(struct sk_buff *msg,
1b8ec87a 1773 struct cfg80211_registered_device *rdev)
be29b99a
AK		 1774{
1775 struct nl80211_coalesce_rule_support rule;
1776
1b8ec87a 1777 if (!rdev->wiphy.coalesce)
be29b99a
AK		 1778 return 0;
1779
1b8ec87a
ZG		 1780 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1781 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1782 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1783 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1784 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1785 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
be29b99a
AK		 1786
1787 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1788 return -ENOBUFS;
1789
1790 return 0;
1791}
1792
c4cbaf79
LC		 1793static int
1794nl80211_send_iftype_data(struct sk_buff *msg,
22395217 1795 const struct ieee80211_supported_band *sband,
c4cbaf79
LC		 1796 const struct ieee80211_sband_iftype_data *iftdata)
1797{
1798 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
5cd5a8a3 1799 const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
c4cbaf79
LC		 1800
1801 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1802 iftdata->types_mask))
1803 return -ENOBUFS;
1804
1805 if (he_cap->has_he) {
1806 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1807 sizeof(he_cap->he_cap_elem.mac_cap_info),
1808 he_cap->he_cap_elem.mac_cap_info) ||
1809 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1810 sizeof(he_cap->he_cap_elem.phy_cap_info),
1811 he_cap->he_cap_elem.phy_cap_info) ||
1812 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1813 sizeof(he_cap->he_mcs_nss_supp),
1814 &he_cap->he_mcs_nss_supp) ||
1815 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1816 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1817 return -ENOBUFS;
1818 }
1819
5cd5a8a3
IP		 1820 if (eht_cap->has_eht && he_cap->has_he) {
1821 u8 mcs_nss_size, ppe_thresh_size;
1822 u16 ppe_thres_hdr;
ea5cba26
JB		 1823 bool is_ap;
1824
1825 is_ap = iftdata->types_mask & BIT(NL80211_IFTYPE_AP) ||
1826 iftdata->types_mask & BIT(NL80211_IFTYPE_P2P_GO);
5cd5a8a3
IP		 1827
1828 mcs_nss_size =
1829 ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
ea5cba26
JB		 1830 &eht_cap->eht_cap_elem,
1831 is_ap);
5cd5a8a3
IP		 1832
1833 ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
1834 ppe_thresh_size =
1835 ieee80211_eht_ppe_size(ppe_thres_hdr,
1836 eht_cap->eht_cap_elem.phy_cap_info);
1837
1838 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
1839 sizeof(eht_cap->eht_cap_elem.mac_cap_info),
1840 eht_cap->eht_cap_elem.mac_cap_info) ||
1841 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
1842 sizeof(eht_cap->eht_cap_elem.phy_cap_info),
1843 eht_cap->eht_cap_elem.phy_cap_info) ||
1844 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
1845 mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
1846 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
1847 ppe_thresh_size, eht_cap->eht_ppe_thres))
1848 return -ENOBUFS;
1849 }
1850
22395217
JB		 1851 if (sband->band == NL80211_BAND_6GHZ &&
1852 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1853 sizeof(iftdata->he_6ghz_capa),
1854 &iftdata->he_6ghz_capa))
1855 return -ENOBUFS;
1856
f4f86505
JB		 1857 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1858 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1859 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1860 return -ENOBUFS;
1861
c4cbaf79
LC		 1862 return 0;
1863}
1864
3713b4e3 1865static int nl80211_send_band_rateinfo(struct sk_buff *msg,
f8d504ca
JB		 1866 struct ieee80211_supported_band *sband,
1867 bool large)
3713b4e3
JB		 1868{
1869 struct nlattr *nl_rates, *nl_rate;
1870 struct ieee80211_rate *rate;
1871 int i;
87bbbe22 1872
3713b4e3
JB		 1873 /* add HT info */
1874 if (sband->ht_cap.ht_supported &&
1875 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1876 sizeof(sband->ht_cap.mcs),
1877 &sband->ht_cap.mcs) ||
1878 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1879 sband->ht_cap.cap) ||
1880 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1881 sband->ht_cap.ampdu_factor) ||
1882 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1883 sband->ht_cap.ampdu_density)))
1884 return -ENOBUFS;
afe0cbf8 1885
3713b4e3
JB		 1886 /* add VHT info */
1887 if (sband->vht_cap.vht_supported &&
1888 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1889 sizeof(sband->vht_cap.vht_mcs),
1890 &sband->vht_cap.vht_mcs) ||
1891 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1892 sband->vht_cap.cap)))
1893 return -ENOBUFS;
f59ac048 1894
f8d504ca 1895 if (large && sband->n_iftype_data) {
c4cbaf79 1896 struct nlattr *nl_iftype_data =
ae0be8de
MK		 1897 nla_nest_start_noflag(msg,
1898 NL80211_BAND_ATTR_IFTYPE_DATA);
c4cbaf79
LC		 1899 int err;
1900
1901 if (!nl_iftype_data)
1902 return -ENOBUFS;
1903
1904 for (i = 0; i < sband->n_iftype_data; i++) {
1905 struct nlattr *iftdata;
1906
ae0be8de 1907 iftdata = nla_nest_start_noflag(msg, i + 1);
c4cbaf79
LC		 1908 if (!iftdata)
1909 return -ENOBUFS;
1910
22395217 1911 err = nl80211_send_iftype_data(msg, sband,
c4cbaf79
LC		 1912 &sband->iftype_data[i]);
1913 if (err)
1914 return err;
1915
1916 nla_nest_end(msg, iftdata);
1917 }
1918
1919 nla_nest_end(msg, nl_iftype_data);
1920 }
1921
2a38075c 1922 /* add EDMG info */
f8d504ca 1923 if (large && sband->edmg_cap.channels &&
2a38075c
AAL		 1924 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1925 sband->edmg_cap.channels) ||
1926 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1927 sband->edmg_cap.bw_config)))
1928
1929 return -ENOBUFS;
1930
3713b4e3 1931 /* add bitrates */
ae0be8de 1932 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
3713b4e3
JB		 1933 if (!nl_rates)
1934 return -ENOBUFS;
ee688b00 1935
3713b4e3 1936 for (i = 0; i < sband->n_bitrates; i++) {
ae0be8de 1937 nl_rate = nla_nest_start_noflag(msg, i);
3713b4e3
JB		 1938 if (!nl_rate)
1939 return -ENOBUFS;
ee688b00 1940
3713b4e3
JB		 1941 rate = &sband->bitrates[i];
1942 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1943 rate->bitrate))
1944 return -ENOBUFS;
1945 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1946 nla_put_flag(msg,
1947 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1948 return -ENOBUFS;
ee688b00 1949
3713b4e3
JB		 1950 nla_nest_end(msg, nl_rate);
1951 }
d51626df 1952
3713b4e3 1953 nla_nest_end(msg, nl_rates);
bf0c111e 1954
3713b4e3
JB		 1955 return 0;
1956}
ee688b00 1957
3713b4e3
JB		 1958static int
1959nl80211_send_mgmt_stypes(struct sk_buff *msg,
1960 const struct ieee80211_txrx_stypes *mgmt_stypes)
1961{
1962 u16 stypes;
1963 struct nlattr *nl_ftypes, *nl_ifs;
1964 enum nl80211_iftype ift;
1965 int i;
ee688b00 1966
3713b4e3
JB		 1967 if (!mgmt_stypes)
1968 return 0;
5dab3b8a 1969
ae0be8de 1970 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
3713b4e3
JB		 1971 if (!nl_ifs)
1972 return -ENOBUFS;
e2f367f2 1973
3713b4e3 1974 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1975 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1976 if (!nl_ftypes)
1977 return -ENOBUFS;
1978 i = 0;
1979 stypes = mgmt_stypes[ift].tx;
1980 while (stypes) {
1981 if ((stypes & 1) &&
1982 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1983 (i << 4) | IEEE80211_FTYPE_MGMT))
1984 return -ENOBUFS;
1985 stypes >>= 1;
1986 i++;
ee688b00 1987 }
3713b4e3
JB		 1988 nla_nest_end(msg, nl_ftypes);
1989 }
ee688b00 1990
3713b4e3 1991 nla_nest_end(msg, nl_ifs);
ee688b00 1992
ae0be8de 1993 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
3713b4e3
JB		 1994 if (!nl_ifs)
1995 return -ENOBUFS;
ee688b00 1996
3713b4e3 1997 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1998 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1999 if (!nl_ftypes)
2000 return -ENOBUFS;
2001 i = 0;
2002 stypes = mgmt_stypes[ift].rx;
2003 while (stypes) {
2004 if ((stypes & 1) &&
2005 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2006 (i << 4) | IEEE80211_FTYPE_MGMT))
2007 return -ENOBUFS;
2008 stypes >>= 1;
2009 i++;
2010 }
2011 nla_nest_end(msg, nl_ftypes);
2012 }
2013 nla_nest_end(msg, nl_ifs);
ee688b00 2014
3713b4e3
JB		 2015 return 0;
2016}
ee688b00 2017
1794899e
JB		 2018#define CMD(op, n) \
2019 do { \
2020 if (rdev->ops->op) { \
2021 i++; \
2022 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
2023 goto nla_put_failure; \
2024 } \
2025 } while (0)
2026
2027static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
2028 struct sk_buff *msg)
2029{
2030 int i = 0;
2031
2032 /*
2033 * do *NOT* add anything into this function, new things need to be
2034 * advertised only to new versions of userspace that can deal with
2035 * the split (and they can't possibly care about new features...
2036 */
2037 CMD(add_virtual_intf, NEW_INTERFACE);
2038 CMD(change_virtual_intf, SET_INTERFACE);
2039 CMD(add_key, NEW_KEY);
2040 CMD(start_ap, START_AP);
2041 CMD(add_station, NEW_STATION);
2042 CMD(add_mpath, NEW_MPATH);
2043 CMD(update_mesh_config, SET_MESH_CONFIG);
2044 CMD(change_bss, SET_BSS);
2045 CMD(auth, AUTHENTICATE);
2046 CMD(assoc, ASSOCIATE);
2047 CMD(deauth, DEAUTHENTICATE);
2048 CMD(disassoc, DISASSOCIATE);
2049 CMD(join_ibss, JOIN_IBSS);
2050 CMD(join_mesh, JOIN_MESH);
2051 CMD(set_pmksa, SET_PMKSA);
2052 CMD(del_pmksa, DEL_PMKSA);
2053 CMD(flush_pmksa, FLUSH_PMKSA);
2054 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
2055 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
2056 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
2057 CMD(mgmt_tx, FRAME);
2058 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
2059 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
2060 i++;
2061 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2062 goto nla_put_failure;
2063 }
2064 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
2065 rdev->ops->join_mesh) {
2066 i++;
2067 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
2068 goto nla_put_failure;
2069 }
1794899e
JB		 2070 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
2071 CMD(tdls_mgmt, TDLS_MGMT);
2072 CMD(tdls_oper, TDLS_OPER);
2073 }
ca986ad9 2074 if (rdev->wiphy.max_sched_scan_reqs)
1794899e
JB		 2075 CMD(sched_scan_start, START_SCHED_SCAN);
2076 CMD(probe_client, PROBE_CLIENT);
2077 CMD(set_noack_map, SET_NOACK_MAP);
2078 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
2079 i++;
2080 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
2081 goto nla_put_failure;
2082 }
2083 CMD(start_p2p_device, START_P2P_DEVICE);
2084 CMD(set_mcast_rate, SET_MCAST_RATE);
2085#ifdef CONFIG_NL80211_TESTMODE
2086 CMD(testmode_cmd, TESTMODE);
2087#endif
2088
2089 if (rdev->ops->connect || rdev->ops->auth) {
2090 i++;
2091 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
2092 goto nla_put_failure;
2093 }
2094
2095 if (rdev->ops->disconnect || rdev->ops->deauth) {
2096 i++;
2097 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
2098 goto nla_put_failure;
2099 }
2100
2101 return i;
2102 nla_put_failure:
2103 return -ENOBUFS;
2104}
2105
9bb7e0f2
JB		 2106static int
2107nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
2108 struct sk_buff *msg)
2109{
2110 struct nlattr *ftm;
2111
2112 if (!cap->ftm.supported)
2113 return 0;
2114
ae0be8de 2115 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
9bb7e0f2
JB		 2116 if (!ftm)
2117 return -ENOBUFS;
2118
2119 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2120 return -ENOBUFS;
2121 if (cap->ftm.non_asap &&
2122 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2123 return -ENOBUFS;
2124 if (cap->ftm.request_lci &&
2125 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2126 return -ENOBUFS;
2127 if (cap->ftm.request_civicloc &&
2128 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2129 return -ENOBUFS;
2130 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2131 cap->ftm.preambles))
2132 return -ENOBUFS;
2133 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2134 cap->ftm.bandwidths))
2135 return -ENOBUFS;
2136 if (cap->ftm.max_bursts_exponent >= 0 &&
2137 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2138 cap->ftm.max_bursts_exponent))
2139 return -ENOBUFS;
2140 if (cap->ftm.max_ftms_per_burst &&
2141 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2142 cap->ftm.max_ftms_per_burst))
2143 return -ENOBUFS;
efb5520d
AS		 2144 if (cap->ftm.trigger_based &&
2145 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2146 return -ENOBUFS;
2147 if (cap->ftm.non_trigger_based &&
2148 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2149 return -ENOBUFS;
9bb7e0f2
JB		 2150
2151 nla_nest_end(msg, ftm);
2152 return 0;
2153}
2154
2155static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2156 struct sk_buff *msg)
2157{
2158 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2159 struct nlattr *pmsr, *caps;
2160
2161 if (!cap)
2162 return 0;
2163
2164 /*
2165 * we don't need to clean up anything here since the caller
2166 * will genlmsg_cancel() if we fail
2167 */
2168
ae0be8de 2169 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
9bb7e0f2
JB		 2170 if (!pmsr)
2171 return -ENOBUFS;
2172
2173 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2174 return -ENOBUFS;
2175
2176 if (cap->report_ap_tsf &&
2177 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2178 return -ENOBUFS;
2179
2180 if (cap->randomize_mac_addr &&
2181 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2182 return -ENOBUFS;
2183
ae0be8de 2184 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
9bb7e0f2
JB		 2185 if (!caps)
2186 return -ENOBUFS;
2187
2188 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2189 return -ENOBUFS;
2190
2191 nla_nest_end(msg, caps);
2192 nla_nest_end(msg, pmsr);
2193
2194 return 0;
2195}
2196
d6039a34
VJ		 2197static int
2198nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2199 struct sk_buff *msg)
2200{
2201 int i;
2202 struct nlattr *nested, *nested_akms;
2203 const struct wiphy_iftype_akm_suites *iftype_akms;
2204
2205 if (!rdev->wiphy.num_iftype_akm_suites ||
2206 !rdev->wiphy.iftype_akm_suites)
2207 return 0;
2208
2209 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2210 if (!nested)
2211 return -ENOBUFS;
2212
2213 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2214 nested_akms = nla_nest_start(msg, i + 1);
2215 if (!nested_akms)
2216 return -ENOBUFS;
2217
2218 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2219
2220 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2221 iftype_akms->iftypes_mask))
2222 return -ENOBUFS;
2223
2224 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2225 sizeof(u32) * iftype_akms->n_akm_suites,
2226 iftype_akms->akm_suites)) {
2227 return -ENOBUFS;
2228 }
2229 nla_nest_end(msg, nested_akms);
2230 }
2231
2232 nla_nest_end(msg, nested);
2233
2234 return 0;
2235}
2236
3710a8a6
JB		 2237static int
2238nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2239 struct sk_buff *msg)
2240{
2241 struct nlattr *supp;
2242
2243 if (!rdev->wiphy.tid_config_support.vif &&
2244 !rdev->wiphy.tid_config_support.peer)
2245 return 0;
2246
2247 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2248 if (!supp)
2249 return -ENOSPC;
2250
2251 if (rdev->wiphy.tid_config_support.vif &&
2252 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2253 rdev->wiphy.tid_config_support.vif,
2254 NL80211_TID_CONFIG_ATTR_PAD))
2255 goto fail;
2256
2257 if (rdev->wiphy.tid_config_support.peer &&
2258 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2259 rdev->wiphy.tid_config_support.peer,
2260 NL80211_TID_CONFIG_ATTR_PAD))
2261 goto fail;
2262
6a21d16c
T		 2263 /* for now we just use the same value ... makes more sense */
2264 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2265 rdev->wiphy.tid_config_support.max_retry))
2266 goto fail;
2267 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2268 rdev->wiphy.tid_config_support.max_retry))
2269 goto fail;
2270
3710a8a6
JB		 2271 nla_nest_end(msg, supp);
2272
2273 return 0;
2274fail:
2275 nla_nest_cancel(msg, supp);
2276 return -ENOBUFS;
2277}
2278
6bdb68ce
CH		 2279static int
2280nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2281 struct sk_buff *msg)
2282{
2283 struct nlattr *sar_capa, *specs, *sub_freq_range;
2284 u8 num_freq_ranges;
2285 int i;
2286
2287 if (!rdev->wiphy.sar_capa)
2288 return 0;
2289
2290 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2291
2292 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2293 if (!sar_capa)
2294 return -ENOSPC;
2295
2296 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2297 goto fail;
2298
2299 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2300 if (!specs)
2301 goto fail;
2302
2303 /* report supported freq_ranges */
2304 for (i = 0; i < num_freq_ranges; i++) {
2305 sub_freq_range = nla_nest_start(msg, i + 1);
2306 if (!sub_freq_range)
2307 goto fail;
2308
2309 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2310 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2311 goto fail;
2312
2313 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2314 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2315 goto fail;
2316
2317 nla_nest_end(msg, sub_freq_range);
2318 }
2319
2320 nla_nest_end(msg, specs);
2321 nla_nest_end(msg, sar_capa);
2322
2323 return 0;
2324fail:
2325 nla_nest_cancel(msg, sar_capa);
2326 return -ENOBUFS;
2327}
2328
dc1e3cb8
JC		 2329static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
2330{
2331 struct nlattr *config;
2332
2333 if (!wiphy->mbssid_max_interfaces)
2334 return 0;
2335
2336 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
2337 if (!config)
2338 return -ENOBUFS;
2339
2340 if (nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES,
2341 wiphy->mbssid_max_interfaces))
2342 goto fail;
2343
2344 if (wiphy->ema_max_profile_periodicity &&
2345 nla_put_u8(msg,
2346 NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY,
2347 wiphy->ema_max_profile_periodicity))
2348 goto fail;
2349
2350 nla_nest_end(msg, config);
2351 return 0;
2352
2353fail:
2354 nla_nest_cancel(msg, config);
2355 return -ENOBUFS;
2356}
2357
86e8cf98
JB		 2358struct nl80211_dump_wiphy_state {
2359 s64 filter_wiphy;
2360 long start;
019ae3a9 2361 long split_start, band_start, chan_start, capa_start;
86e8cf98
JB		 2362 bool split;
2363};
2364
1b8ec87a 2365static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
3bb20556 2366 enum nl80211_commands cmd,
3713b4e3 2367 struct sk_buff *msg, u32 portid, u32 seq,
86e8cf98 2368 int flags, struct nl80211_dump_wiphy_state *state)
3713b4e3
JB		 2369{
2370 void *hdr;
2371 struct nlattr *nl_bands, *nl_band;
2372 struct nlattr *nl_freqs, *nl_freq;
2373 struct nlattr *nl_cmds;
57fbcce3 2374 enum nl80211_band band;
3713b4e3
JB		 2375 struct ieee80211_channel *chan;
2376 int i;
2377 const struct ieee80211_txrx_stypes *mgmt_stypes =
1b8ec87a 2378 rdev->wiphy.mgmt_stypes;
fe1abafd 2379 u32 features;
ee688b00 2380
3bb20556 2381 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3713b4e3
JB		 2382 if (!hdr)
2383 return -ENOBUFS;
ee688b00 2384
86e8cf98
JB		 2385 if (WARN_ON(!state))
2386 return -EINVAL;
ee688b00 2387
1b8ec87a 2388 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3713b4e3 2389 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1b8ec87a 2390 wiphy_name(&rdev->wiphy)) ||
3713b4e3
JB		 2391 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2392 cfg80211_rdev_list_generation))
8fdc621d
JB		 2393 goto nla_put_failure;
2394
3bb20556
JB		 2395 if (cmd != NL80211_CMD_NEW_WIPHY)
2396 goto finish;
2397
86e8cf98 2398 switch (state->split_start) {
3713b4e3
JB		 2399 case 0:
2400 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1b8ec87a 2401 rdev->wiphy.retry_short) ||
3713b4e3 2402 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1b8ec87a 2403 rdev->wiphy.retry_long) ||
3713b4e3 2404 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1b8ec87a 2405 rdev->wiphy.frag_threshold) ||
3713b4e3 2406 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1b8ec87a 2407 rdev->wiphy.rts_threshold) ||
3713b4e3 2408 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1b8ec87a 2409 rdev->wiphy.coverage_class) ||
3713b4e3 2410 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1b8ec87a 2411 rdev->wiphy.max_scan_ssids) ||
3713b4e3 2412 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1b8ec87a 2413 rdev->wiphy.max_sched_scan_ssids) ||
3713b4e3 2414 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1b8ec87a 2415 rdev->wiphy.max_scan_ie_len) ||
3713b4e3 2416 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1b8ec87a 2417 rdev->wiphy.max_sched_scan_ie_len) ||
3713b4e3 2418 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
f8d504ca 2419 rdev->wiphy.max_match_sets))
9360ffd1 2420 goto nla_put_failure;
3713b4e3 2421
1b8ec87a 2422 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
3713b4e3 2423 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
aa430da4 2424 goto nla_put_failure;
1b8ec87a 2425 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
3713b4e3
JB		 2426 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2427 goto nla_put_failure;
1b8ec87a 2428 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3713b4e3
JB		 2429 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2430 goto nla_put_failure;
1b8ec87a 2431 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
3713b4e3
JB		 2432 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2433 goto nla_put_failure;
1b8ec87a 2434 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
3713b4e3
JB		 2435 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2436 goto nla_put_failure;
1b8ec87a 2437 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
3713b4e3 2438 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
9360ffd1 2439 goto nla_put_failure;
86e8cf98
JB		 2440 state->split_start++;
2441 if (state->split)
3713b4e3 2442 break;
7b506ff6 2443 fallthrough;
3713b4e3
JB		 2444 case 1:
2445 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1b8ec87a
ZG		 2446 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2447 rdev->wiphy.cipher_suites))
3713b4e3 2448 goto nla_put_failure;
4745fc09 2449
3713b4e3 2450 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1b8ec87a 2451 rdev->wiphy.max_num_pmkids))
3713b4e3 2452 goto nla_put_failure;
b23aa676 2453
1b8ec87a 2454 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
3713b4e3 2455 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
9360ffd1 2456 goto nla_put_failure;
b23aa676 2457
3713b4e3 2458 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1b8ec87a 2459 rdev->wiphy.available_antennas_tx) ||
3713b4e3 2460 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1b8ec87a 2461 rdev->wiphy.available_antennas_rx))
9360ffd1 2462 goto nla_put_failure;
b23aa676 2463
1b8ec87a 2464 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
3713b4e3 2465 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1b8ec87a 2466 rdev->wiphy.probe_resp_offload))
3713b4e3 2467 goto nla_put_failure;
8fdc621d 2468
1b8ec87a
ZG		 2469 if ((rdev->wiphy.available_antennas_tx ||
2470 rdev->wiphy.available_antennas_rx) &&
2471 rdev->ops->get_antenna) {
3713b4e3
JB		 2472 u32 tx_ant = 0, rx_ant = 0;
2473 int res;
7a087e74 2474
1b8ec87a 2475 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
3713b4e3
JB		 2476 if (!res) {
2477 if (nla_put_u32(msg,
2478 NL80211_ATTR_WIPHY_ANTENNA_TX,
2479 tx_ant) ||
2480 nla_put_u32(msg,
2481 NL80211_ATTR_WIPHY_ANTENNA_RX,
2482 rx_ant))
2483 goto nla_put_failure;
2484 }
2485 }
a293911d 2486
86e8cf98
JB		 2487 state->split_start++;
2488 if (state->split)
3713b4e3 2489 break;
7b506ff6 2490 fallthrough;
3713b4e3
JB		 2491 case 2:
2492 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1b8ec87a 2493 rdev->wiphy.interface_modes))
3713b4e3 2494 goto nla_put_failure;
86e8cf98
JB		 2495 state->split_start++;
2496 if (state->split)
3713b4e3 2497 break;
7b506ff6 2498 fallthrough;
3713b4e3 2499 case 3:
ae0be8de
MK		 2500 nl_bands = nla_nest_start_noflag(msg,
2501 NL80211_ATTR_WIPHY_BANDS);
3713b4e3
JB		 2502 if (!nl_bands)
2503 goto nla_put_failure;
f7ca38df 2504
86e8cf98 2505 for (band = state->band_start;
0d059964
JB		 2506 band < (state->split ?
2507 NUM_NL80211_BANDS :
2508 NL80211_BAND_60GHZ + 1);
2509 band++) {
3713b4e3 2510 struct ieee80211_supported_band *sband;
2e161f78 2511
f8d504ca
JB		 2512 /* omit higher bands for ancient software */
2513 if (band > NL80211_BAND_5GHZ && !state->split)
2514 break;
2515
1b8ec87a 2516 sband = rdev->wiphy.bands[band];
2e161f78 2517
3713b4e3
JB		 2518 if (!sband)
2519 continue;
2520
ae0be8de 2521 nl_band = nla_nest_start_noflag(msg, band);
3713b4e3 2522 if (!nl_band)
2e161f78 2523 goto nla_put_failure;
3713b4e3 2524
86e8cf98 2525 switch (state->chan_start) {
3713b4e3 2526 case 0:
f8d504ca
JB		 2527 if (nl80211_send_band_rateinfo(msg, sband,
2528 state->split))
9360ffd1 2529 goto nla_put_failure;
86e8cf98
JB		 2530 state->chan_start++;
2531 if (state->split)
3713b4e3 2532 break;
7b506ff6 2533 fallthrough;
3713b4e3
JB		 2534 default:
2535 /* add frequencies */
ae0be8de
MK		 2536 nl_freqs = nla_nest_start_noflag(msg,
2537 NL80211_BAND_ATTR_FREQS);
3713b4e3
JB		 2538 if (!nl_freqs)
2539 goto nla_put_failure;
2540
86e8cf98 2541 for (i = state->chan_start - 1;
3713b4e3
JB		 2542 i < sband->n_channels;
2543 i++) {
ae0be8de
MK		 2544 nl_freq = nla_nest_start_noflag(msg,
2545 i);
3713b4e3
JB		 2546 if (!nl_freq)
2547 goto nla_put_failure;
2548
2549 chan = &sband->channels[i];
2550
86e8cf98 2551 if (nl80211_msg_put_channel(
50f32718 2552 msg, &rdev->wiphy, chan,
86e8cf98 2553 state->split))
3713b4e3
JB		 2554 goto nla_put_failure;
2555
2556 nla_nest_end(msg, nl_freq);
86e8cf98 2557 if (state->split)
3713b4e3
JB		 2558 break;
2559 }
2560 if (i < sband->n_channels)
86e8cf98 2561 state->chan_start = i + 2;
3713b4e3 2562 else
86e8cf98 2563 state->chan_start = 0;
3713b4e3
JB		 2564 nla_nest_end(msg, nl_freqs);
2565 }
2566
2567 nla_nest_end(msg, nl_band);
2568
86e8cf98 2569 if (state->split) {
3713b4e3 2570 /* start again here */
86e8cf98 2571 if (state->chan_start)
3713b4e3
JB		 2572 band--;
2573 break;
2e161f78 2574 }
2e161f78 2575 }
3713b4e3 2576 nla_nest_end(msg, nl_bands);
2e161f78 2577
57fbcce3 2578 if (band < NUM_NL80211_BANDS)
86e8cf98 2579 state->band_start = band + 1;
3713b4e3 2580 else
86e8cf98 2581 state->band_start = 0;
74b70a4e 2582
3713b4e3 2583 /* if bands & channels are done, continue outside */
86e8cf98
JB		 2584 if (state->band_start == 0 && state->chan_start == 0)
2585 state->split_start++;
2586 if (state->split)
3713b4e3 2587 break;
7b506ff6 2588 fallthrough;
3713b4e3 2589 case 4:
ae0be8de
MK		 2590 nl_cmds = nla_nest_start_noflag(msg,
2591 NL80211_ATTR_SUPPORTED_COMMANDS);
3713b4e3 2592 if (!nl_cmds)
2e161f78
JB		 2593 goto nla_put_failure;
2594
1794899e
JB		 2595 i = nl80211_add_commands_unsplit(rdev, msg);
2596 if (i < 0)
2597 goto nla_put_failure;
86e8cf98 2598 if (state->split) {
5de17984
AS		 2599 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2600 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1b8ec87a 2601 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
16ef1fe2 2602 CMD(channel_switch, CHANNEL_SWITCH);
02df00eb 2603 CMD(set_qos_map, SET_QOS_MAP);
723e73ac
JB		 2604 if (rdev->wiphy.features &
2605 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
960d01ac 2606 CMD(add_tx_ts, ADD_TX_TS);
ce0ce13a 2607 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
088e8df8 2608 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
7010998c 2609 CMD(update_ft_ies, UPDATE_FT_IES);
6bdb68ce
CH		 2610 if (rdev->wiphy.sar_capa)
2611 CMD(set_sar_specs, SET_SAR_SPECS);
5de17984 2612 }
3713b4e3 2613#undef CMD
ff1b6e69 2614
3713b4e3 2615 nla_nest_end(msg, nl_cmds);
86e8cf98
JB		 2616 state->split_start++;
2617 if (state->split)
3713b4e3 2618 break;
7b506ff6 2619 fallthrough;
3713b4e3 2620 case 5:
1b8ec87a
ZG		 2621 if (rdev->ops->remain_on_channel &&
2622 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
3713b4e3
JB		 2623 nla_put_u32(msg,
2624 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1b8ec87a 2625 rdev->wiphy.max_remain_on_channel_duration))
3713b4e3
JB		 2626 goto nla_put_failure;
2627
1b8ec87a 2628 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
3713b4e3
JB		 2629 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2630 goto nla_put_failure;
2631
86e8cf98
JB		 2632 state->split_start++;
2633 if (state->split)
3713b4e3 2634 break;
7b506ff6 2635 fallthrough;
3713b4e3
JB		 2636 case 6:
2637#ifdef CONFIG_PM
1b8ec87a 2638 if (nl80211_send_wowlan(msg, rdev, state->split))
3713b4e3 2639 goto nla_put_failure;
86e8cf98
JB		 2640 state->split_start++;
2641 if (state->split)
3713b4e3
JB		 2642 break;
2643#else
86e8cf98 2644 state->split_start++;
dfb89c56 2645#endif
7b506ff6 2646 fallthrough;
3713b4e3
JB		 2647 case 7:
2648 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1b8ec87a 2649 rdev->wiphy.software_iftypes))
3713b4e3 2650 goto nla_put_failure;
ff1b6e69 2651
1b8ec87a 2652 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
86e8cf98 2653 state->split))
3713b4e3 2654 goto nla_put_failure;
7527a782 2655
86e8cf98
JB		 2656 state->split_start++;
2657 if (state->split)
3713b4e3 2658 break;
7b506ff6 2659 fallthrough;
3713b4e3 2660 case 8:
1b8ec87a 2661 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
3713b4e3 2662 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1b8ec87a 2663 rdev->wiphy.ap_sme_capa))
3713b4e3 2664 goto nla_put_failure;
7527a782 2665
1b8ec87a 2666 features = rdev->wiphy.features;
fe1abafd
JB		 2667 /*
2668 * We can only add the per-channel limit information if the
2669 * dump is split, otherwise it makes it too big. Therefore
2670 * only advertise it in that case.
2671 */
86e8cf98 2672 if (state->split)
fe1abafd
JB		 2673 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2674 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
3713b4e3 2675 goto nla_put_failure;
562a7480 2676
1b8ec87a 2677 if (rdev->wiphy.ht_capa_mod_mask &&
3713b4e3 2678 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1b8ec87a
ZG		 2679 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2680 rdev->wiphy.ht_capa_mod_mask))
3713b4e3 2681 goto nla_put_failure;
1f074bd8 2682
1b8ec87a
ZG		 2683 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2684 rdev->wiphy.max_acl_mac_addrs &&
3713b4e3 2685 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1b8ec87a 2686 rdev->wiphy.max_acl_mac_addrs))
3713b4e3 2687 goto nla_put_failure;
7e7c8926 2688
3713b4e3
JB		 2689 /*
2690 * Any information below this point is only available to
2691 * applications that can deal with it being split. This
2692 * helps ensure that newly added capabilities don't break
2693 * older tools by overrunning their buffers.
2694 *
2695 * We still increment split_start so that in the split
2696 * case we'll continue with more data in the next round,
2697 * but break unconditionally so unsplit data stops here.
2698 */
ab10c22b
JB		 2699 if (state->split)
2700 state->split_start++;
2701 else
2702 state->split_start = 0;
3713b4e3
JB		 2703 break;
2704 case 9:
f8d504ca
JB		 2705 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2706 goto nla_put_failure;
2707
2708 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2709 rdev->wiphy.max_sched_scan_plans) ||
2710 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2711 rdev->wiphy.max_sched_scan_plan_interval) ||
2712 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2713 rdev->wiphy.max_sched_scan_plan_iterations))
2714 goto nla_put_failure;
2715
1b8ec87a 2716 if (rdev->wiphy.extended_capabilities &&
fe1abafd 2717 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1b8ec87a
ZG		 2718 rdev->wiphy.extended_capabilities_len,
2719 rdev->wiphy.extended_capabilities) ||
fe1abafd 2720 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1b8ec87a
ZG		 2721 rdev->wiphy.extended_capabilities_len,
2722 rdev->wiphy.extended_capabilities_mask)))
fe1abafd 2723 goto nla_put_failure;
a50df0c4 2724
1b8ec87a 2725 if (rdev->wiphy.vht_capa_mod_mask &&
ee2aca34 2726 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1b8ec87a
ZG		 2727 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2728 rdev->wiphy.vht_capa_mod_mask))
ee2aca34
JB		 2729 goto nla_put_failure;
2730
ae6fa4d5
DK		 2731 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2732 rdev->wiphy.perm_addr))
2733 goto nla_put_failure;
2734
2735 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2736 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2737 rdev->wiphy.addr_mask))
2738 goto nla_put_failure;
2739
2740 if (rdev->wiphy.n_addresses > 1) {
2741 void *attr;
2742
2743 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2744 if (!attr)
2745 goto nla_put_failure;
2746
2747 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2748 if (nla_put(msg, i + 1, ETH_ALEN,
2749 rdev->wiphy.addresses[i].addr))
2750 goto nla_put_failure;
2751
2752 nla_nest_end(msg, attr);
2753 }
2754
be29b99a
AK		 2755 state->split_start++;
2756 break;
2757 case 10:
1b8ec87a 2758 if (nl80211_send_coalesce(msg, rdev))
be29b99a
AK		 2759 goto nla_put_failure;
2760
1b8ec87a 2761 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
01e0daa4
FF		 2762 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2763 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2764 goto nla_put_failure;
b43504cf 2765
1b8ec87a 2766 if (rdev->wiphy.max_ap_assoc_sta &&
b43504cf 2767 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1b8ec87a 2768 rdev->wiphy.max_ap_assoc_sta))
b43504cf
JM		 2769 goto nla_put_failure;
2770
ad7e718c
JB		 2771 state->split_start++;
2772 break;
2773 case 11:
1b8ec87a 2774 if (rdev->wiphy.n_vendor_commands) {
567ffc35
JB		 2775 const struct nl80211_vendor_cmd_info *info;
2776 struct nlattr *nested;
2777
ae0be8de
MK		 2778 nested = nla_nest_start_noflag(msg,
2779 NL80211_ATTR_VENDOR_DATA);
567ffc35
JB		 2780 if (!nested)
2781 goto nla_put_failure;
2782
1b8ec87a
ZG		 2783 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2784 info = &rdev->wiphy.vendor_commands[i].info;
567ffc35
JB		 2785 if (nla_put(msg, i + 1, sizeof(*info), info))
2786 goto nla_put_failure;
2787 }
2788 nla_nest_end(msg, nested);
2789 }
2790
1b8ec87a 2791 if (rdev->wiphy.n_vendor_events) {
567ffc35
JB		 2792 const struct nl80211_vendor_cmd_info *info;
2793 struct nlattr *nested;
ad7e718c 2794
ae0be8de
MK		 2795 nested = nla_nest_start_noflag(msg,
2796 NL80211_ATTR_VENDOR_EVENTS);
567ffc35 2797 if (!nested)
ad7e718c 2798 goto nla_put_failure;
567ffc35 2799
1b8ec87a
ZG		 2800 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2801 info = &rdev->wiphy.vendor_events[i];
567ffc35
JB		 2802 if (nla_put(msg, i + 1, sizeof(*info), info))
2803 goto nla_put_failure;
2804 }
2805 nla_nest_end(msg, nested);
2806 }
9a774c78
AO		 2807 state->split_start++;
2808 break;
2809 case 12:
2810 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2811 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2812 rdev->wiphy.max_num_csa_counters))
2813 goto nla_put_failure;
01e0daa4 2814
1bdd716c
AN		 2815 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2816 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2817 goto nla_put_failure;
2818
ca986ad9
AVS		 2819 if (rdev->wiphy.max_sched_scan_reqs &&
2820 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2821 rdev->wiphy.max_sched_scan_reqs))
2822 goto nla_put_failure;
2823
d75bb06b
GKS		 2824 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2825 sizeof(rdev->wiphy.ext_features),
2826 rdev->wiphy.ext_features))
2827 goto nla_put_failure;
2828
38de03d2
AS		 2829 if (rdev->wiphy.bss_select_support) {
2830 struct nlattr *nested;
2831 u32 bss_select_support = rdev->wiphy.bss_select_support;
2832
ae0be8de
MK		 2833 nested = nla_nest_start_noflag(msg,
2834 NL80211_ATTR_BSS_SELECT);
38de03d2
AS		 2835 if (!nested)
2836 goto nla_put_failure;
2837
2838 i = 0;
2839 while (bss_select_support) {
2840 if ((bss_select_support & 1) &&
2841 nla_put_flag(msg, i))
2842 goto nla_put_failure;
2843 i++;
2844 bss_select_support >>= 1;
2845 }
2846 nla_nest_end(msg, nested);
2847 }
2848
019ae3a9
KV		 2849 state->split_start++;
2850 break;
2851 case 13:
2852 if (rdev->wiphy.num_iftype_ext_capab &&
2853 rdev->wiphy.iftype_ext_capab) {
2854 struct nlattr *nested_ext_capab, *nested;
2855
ae0be8de
MK		 2856 nested = nla_nest_start_noflag(msg,
2857 NL80211_ATTR_IFTYPE_EXT_CAPA);
019ae3a9
KV		 2858 if (!nested)
2859 goto nla_put_failure;
2860
2861 for (i = state->capa_start;
2862 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2863 const struct wiphy_iftype_ext_capab *capab;
2864
2865 capab = &rdev->wiphy.iftype_ext_capab[i];
2866
ae0be8de
MK		 2867 nested_ext_capab = nla_nest_start_noflag(msg,
2868 i);
019ae3a9
KV		 2869 if (!nested_ext_capab ||
2870 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2871 capab->iftype) ||
2872 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2873 capab->extended_capabilities_len,
2874 capab->extended_capabilities) ||
2875 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2876 capab->extended_capabilities_len,
2877 capab->extended_capabilities_mask))
2878 goto nla_put_failure;
2879
4e9c3af3
JB		 2880 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO &&
2881 (nla_put_u16(msg,
2882 NL80211_ATTR_EML_CAPABILITY,
2883 capab->eml_capabilities) ||
2884 nla_put_u16(msg,
2885 NL80211_ATTR_MLD_CAPA_AND_OPS,
2886 capab->mld_capa_and_ops)))
2887 goto nla_put_failure;
2888
019ae3a9
KV		 2889 nla_nest_end(msg, nested_ext_capab);
2890 if (state->split)
2891 break;
2892 }
2893 nla_nest_end(msg, nested);
2894 if (i < rdev->wiphy.num_iftype_ext_capab) {
2895 state->capa_start = i + 1;
2896 break;
2897 }
2898 }
2899
8585989d
LC		 2900 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2901 rdev->wiphy.nan_supported_bands))
2902 goto nla_put_failure;
2903
52539ca8
THJ		 2904 if (wiphy_ext_feature_isset(&rdev->wiphy,
2905 NL80211_EXT_FEATURE_TXQS)) {
2906 struct cfg80211_txq_stats txqstats = {};
2907 int res;
2908
2909 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2910 if (!res &&
2911 !nl80211_put_txq_stats(msg, &txqstats,
2912 NL80211_ATTR_TXQ_STATS))
2913 goto nla_put_failure;
2914
2915 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2916 rdev->wiphy.txq_limit))
2917 goto nla_put_failure;
2918 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2919 rdev->wiphy.txq_memory_limit))
2920 goto nla_put_failure;
2921 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2922 rdev->wiphy.txq_quantum))
2923 goto nla_put_failure;
2924 }
2925
9bb7e0f2
JB		 2926 state->split_start++;
2927 break;
2928 case 14:
2929 if (nl80211_send_pmsr_capa(rdev, msg))
2930 goto nla_put_failure;
2931
ab4dfa20
VJ		 2932 state->split_start++;
2933 break;
2934 case 15:
2935 if (rdev->wiphy.akm_suites &&
2936 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2937 sizeof(u32) * rdev->wiphy.n_akm_suites,
2938 rdev->wiphy.akm_suites))
2939 goto nla_put_failure;
2940
d6039a34
VJ		 2941 if (nl80211_put_iftype_akm_suites(rdev, msg))
2942 goto nla_put_failure;
2943
3710a8a6
JB		 2944 if (nl80211_put_tid_config_support(rdev, msg))
2945 goto nla_put_failure;
6bdb68ce
CH		 2946 state->split_start++;
2947 break;
2948 case 16:
2949 if (nl80211_put_sar_specs(rdev, msg))
2950 goto nla_put_failure;
3710a8a6 2951
dc1e3cb8
JC		 2952 if (nl80211_put_mbssid_support(&rdev->wiphy, msg))
2953 goto nla_put_failure;
2954
ecad3b0b
VJ		 2955 if (nla_put_u16(msg, NL80211_ATTR_MAX_NUM_AKM_SUITES,
2956 rdev->wiphy.max_num_akm_suites))
2957 goto nla_put_failure;
2958
fa2ca639
JB		 2959 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)
2960 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT);
2961
3713b4e3 2962 /* done */
86e8cf98 2963 state->split_start = 0;
3713b4e3
JB		 2964 break;
2965 }
3bb20556 2966 finish:
053c095a
JB		 2967 genlmsg_end(msg, hdr);
2968 return 0;
55682965
JB		 2969
2970 nla_put_failure:
bc3ed28c
TG		 2971 genlmsg_cancel(msg, hdr);
2972 return -EMSGSIZE;
55682965
JB		 2973}
2974
86e8cf98
JB		 2975static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2976 struct netlink_callback *cb,
2977 struct nl80211_dump_wiphy_state *state)
2978{
50508d94
JB		 2979 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2980 int ret;
2981
2982 if (!tb)
2983 return -ENOMEM;
2984
2985 ret = nlmsg_parse_deprecated(cb->nlh,
2986 GENL_HDRLEN + nl80211_fam.hdrsize,
2987 tb, nl80211_fam.maxattr,
2988 nl80211_policy, NULL);
86e8cf98 2989 /* ignore parse errors for backward compatibility */
50508d94
JB		 2990 if (ret) {
2991 ret = 0;
2992 goto out;
2993 }
86e8cf98
JB		 2994
2995 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2996 if (tb[NL80211_ATTR_WIPHY])
2997 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2998 if (tb[NL80211_ATTR_WDEV])
2999 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
3000 if (tb[NL80211_ATTR_IFINDEX]) {
3001 struct net_device *netdev;
3002 struct cfg80211_registered_device *rdev;
3003 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3004
7f2b8562 3005 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
50508d94
JB		 3006 if (!netdev) {
3007 ret = -ENODEV;
3008 goto out;
3009 }
86e8cf98 3010 if (netdev->ieee80211_ptr) {
f26cbf40 3011 rdev = wiphy_to_rdev(
86e8cf98
JB		 3012 netdev->ieee80211_ptr->wiphy);
3013 state->filter_wiphy = rdev->wiphy_idx;
3014 }
86e8cf98
JB		 3015 }
3016
50508d94
JB		 3017 ret = 0;
3018out:
3019 kfree(tb);
3020 return ret;
86e8cf98
JB		 3021}
3022
55682965
JB		 3023static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
3024{
645e77de 3025 int idx = 0, ret;
86e8cf98 3026 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1b8ec87a 3027 struct cfg80211_registered_device *rdev;
3a5a423b 3028
5fe231e8 3029 rtnl_lock();
86e8cf98
JB		 3030 if (!state) {
3031 state = kzalloc(sizeof(*state), GFP_KERNEL);
57ed5cd6
JL		 3032 if (!state) {
3033 rtnl_unlock();
86e8cf98 3034 return -ENOMEM;
3713b4e3 3035 }
86e8cf98
JB		 3036 state->filter_wiphy = -1;
3037 ret = nl80211_dump_wiphy_parse(skb, cb, state);
3038 if (ret) {
3039 kfree(state);
3040 rtnl_unlock();
3041 return ret;
3713b4e3 3042 }
86e8cf98 3043 cb->args[0] = (long)state;
3713b4e3
JB		 3044 }
3045
1b8ec87a
ZG		 3046 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3047 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3048 continue;
86e8cf98 3049 if (++idx <= state->start)
55682965 3050 continue;
86e8cf98 3051 if (state->filter_wiphy != -1 &&
1b8ec87a 3052 state->filter_wiphy != rdev->wiphy_idx)
3713b4e3
JB		 3053 continue;
3054 /* attempt to fit multiple wiphy data chunks into the skb */
3055 do {
3bb20556
JB		 3056 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
3057 skb,
3713b4e3
JB		 3058 NETLINK_CB(cb->skb).portid,
3059 cb->nlh->nlmsg_seq,
86e8cf98 3060 NLM_F_MULTI, state);
3713b4e3
JB		 3061 if (ret < 0) {
3062 /*
3063 * If sending the wiphy data didn't fit (ENOBUFS
3064 * or EMSGSIZE returned), this SKB is still
3065 * empty (so it's not too big because another
3066 * wiphy dataset is already in the skb) and
3067 * we've not tried to adjust the dump allocation
3068 * yet ... then adjust the alloc size to be
3069 * bigger, and return 1 but with the empty skb.
3070 * This results in an empty message being RX'ed
3071 * in userspace, but that is ignored.
3072 *
3073 * We can then retry with the larger buffer.
3074 */
3075 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
f12cb289 3076 !skb->len && !state->split &&
3713b4e3
JB		 3077 cb->min_dump_alloc < 4096) {
3078 cb->min_dump_alloc = 4096;
f12cb289 3079 state->split_start = 0;
d98cae64 3080 rtnl_unlock();
3713b4e3
JB		 3081 return 1;
3082 }
3083 idx--;
3084 break;
645e77de 3085 }
86e8cf98 3086 } while (state->split_start > 0);
3713b4e3 3087 break;
55682965 3088 }
5fe231e8 3089 rtnl_unlock();
55682965 3090
86e8cf98 3091 state->start = idx;
55682965
JB		 3092
3093 return skb->len;
3094}
3095
86e8cf98
JB		 3096static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
3097{
3098 kfree((void *)cb->args[0]);
3099 return 0;
3100}
3101
55682965
JB		 3102static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
3103{
3104 struct sk_buff *msg;
1b8ec87a 3105 struct cfg80211_registered_device *rdev = info->user_ptr[0];
86e8cf98 3106 struct nl80211_dump_wiphy_state state = {};
55682965 3107
645e77de 3108 msg = nlmsg_new(4096, GFP_KERNEL);
55682965 3109 if (!msg)
4c476991 3110 return -ENOMEM;
55682965 3111
3bb20556
JB		 3112 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
3113 info->snd_portid, info->snd_seq, 0,
86e8cf98 3114 &state) < 0) {
4c476991
JB		 3115 nlmsg_free(msg);
3116 return -ENOBUFS;
3117 }
55682965 3118
134e6375 3119 return genlmsg_reply(msg, info);
55682965
JB		 3120}
3121
31888487
JM		 3122static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
3123 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
3124 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
3125 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
3126 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
3127 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
3128};
3129
3130static int parse_txq_params(struct nlattr *tb[],
3131 struct ieee80211_txq_params *txq_params)
3132{
259d8c1e
DW		 3133 u8 ac;
3134
a3304b0a 3135 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
31888487
JM		 3136 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
3137 !tb[NL80211_TXQ_ATTR_AIFS])
3138 return -EINVAL;
3139
259d8c1e 3140 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
31888487
JM		 3141 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
3142 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
3143 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
3144 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
3145
259d8c1e 3146 if (ac >= NL80211_NUM_ACS)
a3304b0a 3147 return -EINVAL;
259d8c1e 3148 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
31888487
JM		 3149 return 0;
3150}
3151
f444de05
JB		 3152static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
3153{
3154 /*
e7e0517c
JB		 3155 * You can only set the channel explicitly for some interfaces,
3156 * most have their channel managed via their respective
cc1d2806
JB		 3157 * "establish a connection" command (connect, join, ...)
3158 *
3159 * For AP/GO and mesh mode, the channel can be set with the
3160 * channel userspace API, but is only stored and passed to the
3161 * low-level driver when the AP starts or the mesh is joined.
3162 * This is for backward compatibility, userspace can also give
3163 * the channel in the start-ap or join-mesh commands instead.
f444de05
JB		 3164 *
3165 * Monitors are special as they are normally slaved to
e8c9bd5b
JB		 3166 * whatever else is going on, so they have their own special
3167 * operation to set the monitor channel if possible.
f444de05
JB		 3168 */
3169 return !wdev ||
3170 wdev->iftype == NL80211_IFTYPE_AP ||
f444de05 3171 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
074ac8df
JB		 3172 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3173 wdev->iftype == NL80211_IFTYPE_P2P_GO;
f444de05
JB		 3174}
3175
9bb7e0f2
JB		 3176int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3177 struct genl_info *info,
3178 struct cfg80211_chan_def *chandef)
683b6d3b 3179{
49f9cf0e
JB		 3180 struct netlink_ext_ack *extack = info->extack;
3181 struct nlattr **attrs = info->attrs;
dbeca2ea 3182 u32 control_freq;
683b6d3b 3183
49f9cf0e 3184 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
683b6d3b
JB		 3185 return -EINVAL;
3186
942ba88b
TP		 3187 control_freq = MHZ_TO_KHZ(
3188 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3189 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3190 control_freq +=
3191 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
683b6d3b 3192
f43e5210 3193 memset(chandef, 0, sizeof(*chandef));
942ba88b 3194 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3d9d1d66 3195 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
942ba88b
TP		 3196 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3197 chandef->freq1_offset = control_freq % 1000;
3d9d1d66 3198 chandef->center_freq2 = 0;
683b6d3b
JB		 3199
3200 /* Primary channel not allowed */
49f9cf0e
JB		 3201 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3202 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3203 "Channel is disabled");
683b6d3b 3204 return -EINVAL;
49f9cf0e 3205 }
683b6d3b 3206
49f9cf0e 3207 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3d9d1d66
JB		 3208 enum nl80211_channel_type chantype;
3209
49f9cf0e 3210 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3d9d1d66
JB		 3211
3212 switch (chantype) {
3213 case NL80211_CHAN_NO_HT:
3214 case NL80211_CHAN_HT20:
3215 case NL80211_CHAN_HT40PLUS:
3216 case NL80211_CHAN_HT40MINUS:
3217 cfg80211_chandef_create(chandef, chandef->chan,
3218 chantype);
ffa4629e 3219 /* user input for center_freq is incorrect */
49f9cf0e
JB		 3220 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3221 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3222 NL_SET_ERR_MSG_ATTR(extack,
3223 attrs[NL80211_ATTR_CENTER_FREQ1],
3224 "bad center frequency 1");
ffa4629e 3225 return -EINVAL;
49f9cf0e 3226 }
ffa4629e 3227 /* center_freq2 must be zero */
49f9cf0e
JB		 3228 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3229 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3230 NL_SET_ERR_MSG_ATTR(extack,
3231 attrs[NL80211_ATTR_CENTER_FREQ2],
3232 "center frequency 2 can't be used");
ffa4629e 3233 return -EINVAL;
49f9cf0e 3234 }
3d9d1d66
JB		 3235 break;
3236 default:
49f9cf0e
JB		 3237 NL_SET_ERR_MSG_ATTR(extack,
3238 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3239 "invalid channel type");
3d9d1d66
JB		 3240 return -EINVAL;
3241 }
49f9cf0e 3242 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3d9d1d66 3243 chandef->width =
49f9cf0e 3244 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
5d087aa7
KF		 3245 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
3246 /* User input error for channel width doesn't match channel */
3247 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
3248 NL_SET_ERR_MSG_ATTR(extack,
3249 attrs[NL80211_ATTR_CHANNEL_WIDTH],
3250 "bad channel width");
3251 return -EINVAL;
3252 }
3253 }
942ba88b 3254 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3d9d1d66 3255 chandef->center_freq1 =
49f9cf0e 3256 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
942ba88b
TP		 3257 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3258 chandef->freq1_offset = nla_get_u32(
3259 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3260 else
3261 chandef->freq1_offset = 0;
3262 }
49f9cf0e 3263 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3d9d1d66 3264 chandef->center_freq2 =
49f9cf0e 3265 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3d9d1d66
JB		 3266 }
3267
2a38075c
AAL		 3268 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3269 chandef->edmg.channels =
3270 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3271
3272 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3273 chandef->edmg.bw_config =
3274 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3275 } else {
3276 chandef->edmg.bw_config = 0;
3277 chandef->edmg.channels = 0;
3278 }
3279
49f9cf0e
JB		 3280 if (!cfg80211_chandef_valid(chandef)) {
3281 NL_SET_ERR_MSG(extack, "invalid channel definition");
3d9d1d66 3282 return -EINVAL;
49f9cf0e 3283 }
3d9d1d66 3284
9f5e8f6e 3285 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
49f9cf0e
JB		 3286 IEEE80211_CHAN_DISABLED)) {
3287 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3d9d1d66 3288 return -EINVAL;
49f9cf0e 3289 }
3d9d1d66 3290
2f301ab2
SW		 3291 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3292 chandef->width == NL80211_CHAN_WIDTH_10) &&
49f9cf0e
JB		 3293 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3294 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2f301ab2 3295 return -EINVAL;
49f9cf0e 3296 }
2f301ab2 3297
683b6d3b
JB		 3298 return 0;
3299}
3300
f444de05 3301static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
e16821bc 3302 struct net_device *dev,
7b0a0e3c
JB		 3303 struct genl_info *info,
3304 int _link_id)
f444de05 3305{
683b6d3b 3306 struct cfg80211_chan_def chandef;
f444de05 3307 int result;
e8c9bd5b 3308 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
e16821bc 3309 struct wireless_dev *wdev = NULL;
7b0a0e3c 3310 int link_id = _link_id;
e8c9bd5b 3311
e16821bc
JM		 3312 if (dev)
3313 wdev = dev->ieee80211_ptr;
f444de05
JB		 3314 if (!nl80211_can_set_dev_channel(wdev))
3315 return -EOPNOTSUPP;
e16821bc
JM		 3316 if (wdev)
3317 iftype = wdev->iftype;
f444de05 3318
7b0a0e3c
JB		 3319 if (link_id < 0) {
3320 if (wdev && wdev->valid_links)
3321 return -EINVAL;
3322 link_id = 0;
3323 }
3324
683b6d3b
JB		 3325 result = nl80211_parse_chandef(rdev, info, &chandef);
3326 if (result)
3327 return result;
f444de05 3328
e8c9bd5b 3329 switch (iftype) {
aa430da4
JB		 3330 case NL80211_IFTYPE_AP:
3331 case NL80211_IFTYPE_P2P_GO:
923b352f 3332 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
7b0a0e3c
JB		 3333 iftype))
3334 return -EINVAL;
3335 if (wdev->links[link_id].ap.beacon_interval) {
3336 struct ieee80211_channel *cur_chan;
3337
e16821bc
JM		 3338 if (!dev || !rdev->ops->set_ap_chanwidth ||
3339 !(rdev->wiphy.features &
7b0a0e3c
JB		 3340 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE))
3341 return -EBUSY;
e16821bc
JM		 3342
3343 /* Only allow dynamic channel width changes */
7b0a0e3c
JB		 3344 cur_chan = wdev->links[link_id].ap.chandef.chan;
3345 if (chandef.chan != cur_chan)
3346 return -EBUSY;
3347
3348 result = rdev_set_ap_chanwidth(rdev, dev, link_id,
3349 &chandef);
e16821bc 3350 if (result)
7b0a0e3c
JB		 3351 return result;
3352 wdev->links[link_id].ap.chandef = chandef;
3353 } else {
3354 wdev->u.ap.preset_chandef = chandef;
e16821bc 3355 }
7b0a0e3c 3356 return 0;
cc1d2806 3357 case NL80211_IFTYPE_MESH_POINT:
7b0a0e3c 3358 return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
e8c9bd5b 3359 case NL80211_IFTYPE_MONITOR:
7b0a0e3c 3360 return cfg80211_set_monitor_channel(rdev, &chandef);
aa430da4 3361 default:
7b0a0e3c 3362 break;
f444de05 3363 }
f444de05 3364
7b0a0e3c 3365 return -EINVAL;
f444de05
JB		 3366}
3367
3368static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3369{
4c476991 3370 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 3371 int link_id = nl80211_link_id_or_invalid(info->attrs);
4c476991 3372 struct net_device *netdev = info->user_ptr[1];
4e2f3d67
JB		 3373 int ret;
3374
3375 wdev_lock(netdev->ieee80211_ptr);
3376 ret = __nl80211_set_channel(rdev, netdev, info, link_id);
3377 wdev_unlock(netdev->ieee80211_ptr);
f444de05 3378
4e2f3d67 3379 return ret;
f444de05
JB		 3380}
3381
55682965
JB		 3382static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3383{
a05829a7 3384 struct cfg80211_registered_device *rdev = NULL;
f444de05
JB		 3385 struct net_device *netdev = NULL;
3386 struct wireless_dev *wdev;
a1e567c8 3387 int result = 0, rem_txq_params = 0;
31888487 3388 struct nlattr *nl_txq_params;
b9a5f8ca
JM		 3389 u32 changed;
3390 u8 retry_short = 0, retry_long = 0;
3391 u32 frag_threshold = 0, rts_threshold = 0;
81077e82 3392 u8 coverage_class = 0;
52539ca8 3393 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
55682965 3394
a05829a7 3395 rtnl_lock();
f444de05
JB		 3396 /*
3397 * Try to find the wiphy and netdev. Normally this
3398 * function shouldn't need the netdev, but this is
3399 * done for backward compatibility -- previously
3400 * setting the channel was done per wiphy, but now
3401 * it is per netdev. Previous userland like hostapd
3402 * also passed a netdev to set_wiphy, so that it is
3403 * possible to let that go to the right netdev!
3404 */
4bbf4d56 3405
f444de05
JB		 3406 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3407 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3408
7f2b8562 3409 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
5fe231e8 3410 if (netdev && netdev->ieee80211_ptr)
f26cbf40 3411 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
5fe231e8 3412 else
f444de05 3413 netdev = NULL;
4bbf4d56
JB		 3414 }
3415
f444de05 3416 if (!netdev) {
878d9ec7
JB		 3417 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3418 info->attrs);
a05829a7
JB		 3419 if (IS_ERR(rdev)) {
3420 rtnl_unlock();
4c476991 3421 return PTR_ERR(rdev);
a05829a7 3422 }
f444de05
JB		 3423 wdev = NULL;
3424 netdev = NULL;
3425 result = 0;
71fe96bf 3426 } else
f444de05 3427 wdev = netdev->ieee80211_ptr;
f444de05 3428
a05829a7 3429 wiphy_lock(&rdev->wiphy);
a05829a7 3430
f444de05
JB		 3431 /*
3432 * end workaround code, by now the rdev is available
3433 * and locked, and wdev may or may not be NULL.
3434 */
4bbf4d56
JB		 3435
3436 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
31888487
JM		 3437 result = cfg80211_dev_rename(
3438 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
0391a45c 3439 rtnl_unlock();
4bbf4d56 3440
4bbf4d56 3441 if (result)
a05829a7 3442 goto out;
31888487
JM		 3443
3444 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3445 struct ieee80211_txq_params txq_params;
3446 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3447
a05829a7
JB		 3448 if (!rdev->ops->set_txq_params) {
3449 result = -EOPNOTSUPP;
3450 goto out;
3451 }
31888487 3452
a05829a7
JB		 3453 if (!netdev) {
3454 result = -EINVAL;
3455 goto out;
3456 }
f70f01c2 3457
133a3ff2 3458 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
a05829a7
JB		 3459 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3460 result = -EINVAL;
3461 goto out;
3462 }
133a3ff2 3463
a05829a7
JB		 3464 if (!netif_running(netdev)) {
3465 result = -ENETDOWN;
3466 goto out;
3467 }
2b5f8b0b 3468
31888487
JM		 3469 nla_for_each_nested(nl_txq_params,
3470 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3471 rem_txq_params) {
8cb08174
JB		 3472 result = nla_parse_nested_deprecated(tb,
3473 NL80211_TXQ_ATTR_MAX,
3474 nl_txq_params,
3475 txq_params_policy,
3476 info->extack);
ae811e21 3477 if (result)
a05829a7 3478 goto out;
31888487
JM		 3479 result = parse_txq_params(tb, &txq_params);
3480 if (result)
a05829a7 3481 goto out;
31888487 3482
9d2bb84d
ST		 3483 txq_params.link_id =
3484 nl80211_link_id_or_invalid(info->attrs);
3485
3486 wdev_lock(netdev->ieee80211_ptr);
3487 if (txq_params.link_id >= 0 &&
3488 !(netdev->ieee80211_ptr->valid_links &
3489 BIT(txq_params.link_id)))
3490 result = -ENOLINK;
3491 else if (txq_params.link_id >= 0 &&
3492 !netdev->ieee80211_ptr->valid_links)
3493 result = -EINVAL;
3494 else
3495 result = rdev_set_txq_params(rdev, netdev,
3496 &txq_params);
3497 wdev_unlock(netdev->ieee80211_ptr);
31888487 3498 if (result)
a05829a7 3499 goto out;
31888487
JM		 3500 }
3501 }
55682965 3502
72bdcf34 3503 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
69c3f2d3
IP		 3504 int link_id = nl80211_link_id_or_invalid(info->attrs);
3505
4e2f3d67
JB		 3506 if (wdev) {
3507 wdev_lock(wdev);
3508 result = __nl80211_set_channel(
3509 rdev,
3510 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
69c3f2d3 3511 info, link_id);
4e2f3d67
JB		 3512 wdev_unlock(wdev);
3513 } else {
69c3f2d3 3514 result = __nl80211_set_channel(rdev, netdev, info, link_id);
4e2f3d67 3515 }
69c3f2d3 3516
72bdcf34 3517 if (result)
a05829a7 3518 goto out;
72bdcf34
JM		 3519 }
3520
98d2ff8b 3521 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
c8442118 3522 struct wireless_dev *txp_wdev = wdev;
98d2ff8b
JO		 3523 enum nl80211_tx_power_setting type;
3524 int idx, mbm = 0;
3525
c8442118
JB		 3526 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3527 txp_wdev = NULL;
3528
a05829a7
JB		 3529 if (!rdev->ops->set_tx_power) {
3530 result = -EOPNOTSUPP;
3531 goto out;
3532 }
98d2ff8b
JO		 3533
3534 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3535 type = nla_get_u32(info->attrs[idx]);
3536
3537 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
a05829a7
JB		 3538 (type != NL80211_TX_POWER_AUTOMATIC)) {
3539 result = -EINVAL;
3540 goto out;
3541 }
98d2ff8b
JO		 3542
3543 if (type != NL80211_TX_POWER_AUTOMATIC) {
3544 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3545 mbm = nla_get_u32(info->attrs[idx]);
3546 }
3547
c8442118 3548 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
98d2ff8b 3549 if (result)
a05829a7 3550 goto out;
98d2ff8b
JO		 3551 }
3552
afe0cbf8
BR		 3553 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3554 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3555 u32 tx_ant, rx_ant;
7a087e74 3556
7f531e03
BR		 3557 if ((!rdev->wiphy.available_antennas_tx &&
3558 !rdev->wiphy.available_antennas_rx) ||
a05829a7
JB		 3559 !rdev->ops->set_antenna) {
3560 result = -EOPNOTSUPP;
3561 goto out;
3562 }
afe0cbf8
BR		 3563
3564 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3565 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3566
a7ffac95 3567 /* reject antenna configurations which don't match the
7f531e03
BR		 3568 * available antenna masks, except for the "all" mask */
3569 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
a05829a7
JB		 3570 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3571 result = -EINVAL;
3572 goto out;
3573 }
a7ffac95 3574
7f531e03
BR		 3575 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3576 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
a7ffac95 3577
e35e4d28 3578 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
afe0cbf8 3579 if (result)
a05829a7 3580 goto out;
afe0cbf8
BR		 3581 }
3582
b9a5f8ca
JM		 3583 changed = 0;
3584
3585 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3586 retry_short = nla_get_u8(
3587 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
7f2b8562 3588
b9a5f8ca
JM		 3589 changed |= WIPHY_PARAM_RETRY_SHORT;
3590 }
3591
3592 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3593 retry_long = nla_get_u8(
3594 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
7f2b8562 3595
b9a5f8ca
JM		 3596 changed |= WIPHY_PARAM_RETRY_LONG;
3597 }
3598
3599 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3600 frag_threshold = nla_get_u32(
3601 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
a05829a7
JB		 3602 if (frag_threshold < 256) {
3603 result = -EINVAL;
3604 goto out;
3605 }
7f2b8562 3606
b9a5f8ca
JM		 3607 if (frag_threshold != (u32) -1) {
3608 /*
3609 * Fragments (apart from the last one) are required to
3610 * have even length. Make the fragmentation code
3611 * simpler by stripping LSB should someone try to use
3612 * odd threshold value.
3613 */
3614 frag_threshold &= ~0x1;
3615 }
3616 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3617 }
3618
3619 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3620 rts_threshold = nla_get_u32(
3621 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3622 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3623 }
3624
81077e82 3625 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
a05829a7
JB		 3626 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3627 result = -EINVAL;
3628 goto out;
3629 }
3057dbfd 3630
81077e82
LT		 3631 coverage_class = nla_get_u8(
3632 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3633 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3634 }
3635
3057dbfd 3636 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
a05829a7
JB		 3637 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3638 result = -EOPNOTSUPP;
3639 goto out;
3640 }
3057dbfd
LB		 3641
3642 changed |= WIPHY_PARAM_DYN_ACK;
81077e82
LT		 3643 }
3644
52539ca8
THJ		 3645 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3646 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3647 NL80211_EXT_FEATURE_TXQS)) {
3648 result = -EOPNOTSUPP;
3649 goto out;
3650 }
52539ca8
THJ		 3651 txq_limit = nla_get_u32(
3652 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3653 changed |= WIPHY_PARAM_TXQ_LIMIT;
3654 }
3655
3656 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3657 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3658 NL80211_EXT_FEATURE_TXQS)) {
3659 result = -EOPNOTSUPP;
3660 goto out;
3661 }
52539ca8
THJ		 3662 txq_memory_limit = nla_get_u32(
3663 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3664 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3665 }
3666
3667 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3668 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3669 NL80211_EXT_FEATURE_TXQS)) {
3670 result = -EOPNOTSUPP;
3671 goto out;
3672 }
52539ca8
THJ		 3673 txq_quantum = nla_get_u32(
3674 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3675 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3676 }
3677
b9a5f8ca
JM		 3678 if (changed) {
3679 u8 old_retry_short, old_retry_long;
3680 u32 old_frag_threshold, old_rts_threshold;
81077e82 3681 u8 old_coverage_class;
52539ca8 3682 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
b9a5f8ca 3683
a05829a7
JB		 3684 if (!rdev->ops->set_wiphy_params) {
3685 result = -EOPNOTSUPP;
3686 goto out;
3687 }
b9a5f8ca
JM		 3688
3689 old_retry_short = rdev->wiphy.retry_short;
3690 old_retry_long = rdev->wiphy.retry_long;
3691 old_frag_threshold = rdev->wiphy.frag_threshold;
3692 old_rts_threshold = rdev->wiphy.rts_threshold;
81077e82 3693 old_coverage_class = rdev->wiphy.coverage_class;
52539ca8
THJ		 3694 old_txq_limit = rdev->wiphy.txq_limit;
3695 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3696 old_txq_quantum = rdev->wiphy.txq_quantum;
b9a5f8ca
JM		 3697
3698 if (changed & WIPHY_PARAM_RETRY_SHORT)
3699 rdev->wiphy.retry_short = retry_short;
3700 if (changed & WIPHY_PARAM_RETRY_LONG)
3701 rdev->wiphy.retry_long = retry_long;
3702 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3703 rdev->wiphy.frag_threshold = frag_threshold;
3704 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3705 rdev->wiphy.rts_threshold = rts_threshold;
81077e82
LT		 3706 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3707 rdev->wiphy.coverage_class = coverage_class;
52539ca8
THJ		 3708 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3709 rdev->wiphy.txq_limit = txq_limit;
3710 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3711 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3712 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3713 rdev->wiphy.txq_quantum = txq_quantum;
b9a5f8ca 3714
e35e4d28 3715 result = rdev_set_wiphy_params(rdev, changed);
b9a5f8ca
JM		 3716 if (result) {
3717 rdev->wiphy.retry_short = old_retry_short;
3718 rdev->wiphy.retry_long = old_retry_long;
3719 rdev->wiphy.frag_threshold = old_frag_threshold;
3720 rdev->wiphy.rts_threshold = old_rts_threshold;
81077e82 3721 rdev->wiphy.coverage_class = old_coverage_class;
52539ca8
THJ		 3722 rdev->wiphy.txq_limit = old_txq_limit;
3723 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3724 rdev->wiphy.txq_quantum = old_txq_quantum;
a05829a7 3725 goto out;
b9a5f8ca
JM		 3726 }
3727 }
a05829a7
JB		 3728
3729 result = 0;
3730
3731out:
3732 wiphy_unlock(&rdev->wiphy);
3733 return result;
55682965
JB		 3734}
3735
683b6d3b 3736static int nl80211_send_chandef(struct sk_buff *msg,
d2859df5 3737 const struct cfg80211_chan_def *chandef)
683b6d3b 3738{
601555cd
JB		 3739 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3740 return -EINVAL;
3d9d1d66 3741
683b6d3b
JB		 3742 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3743 chandef->chan->center_freq))
3744 return -ENOBUFS;
942ba88b
TP		 3745 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3746 chandef->chan->freq_offset))
3747 return -ENOBUFS;
3d9d1d66
JB		 3748 switch (chandef->width) {
3749 case NL80211_CHAN_WIDTH_20_NOHT:
3750 case NL80211_CHAN_WIDTH_20:
3751 case NL80211_CHAN_WIDTH_40:
3752 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3753 cfg80211_get_chandef_type(chandef)))
3754 return -ENOBUFS;
3755 break;
3756 default:
3757 break;
3758 }
3759 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3760 return -ENOBUFS;
3761 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3762 return -ENOBUFS;
3763 if (chandef->center_freq2 &&
3764 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
683b6d3b
JB		 3765 return -ENOBUFS;
3766 return 0;
3767}
3768
15e47304 3769static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
d726405a 3770 struct cfg80211_registered_device *rdev,
3d1a5bbf
AZ		 3771 struct wireless_dev *wdev,
3772 enum nl80211_commands cmd)
55682965 3773{
72fb2abc 3774 struct net_device *dev = wdev->netdev;
55682965
JB		 3775 void *hdr;
3776
3d1a5bbf
AZ		 3777 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3778 cmd != NL80211_CMD_DEL_INTERFACE &&
3779 cmd != NL80211_CMD_SET_INTERFACE);
8f894be2
TB		 3780
3781 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
55682965
JB		 3782 if (!hdr)
3783 return -1;
3784
72fb2abc
JB		 3785 if (dev &&
3786 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
98104fde 3787 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
72fb2abc
JB		 3788 goto nla_put_failure;
3789
3790 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3791 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2dad624e
ND		 3792 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3793 NL80211_ATTR_PAD) ||
98104fde 3794 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
9360ffd1
DM		 3795 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3796 rdev->devlist_generation ^
446faa15
AQ		 3797 (cfg80211_rdev_list_generation << 2)) ||
3798 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
9360ffd1 3799 goto nla_put_failure;
f5ea9120 3800
7b0a0e3c 3801 if (rdev->ops->get_channel && !wdev->valid_links) {
f43e5210 3802 struct cfg80211_chan_def chandef = {};
7b0a0e3c 3803 int ret;
683b6d3b 3804
7b0a0e3c
JB		 3805 ret = rdev_get_channel(rdev, wdev, 0, &chandef);
3806 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3807 goto nla_put_failure;
d91df0e3
PF		 3808 }
3809
d55d0d59
RM		 3810 if (rdev->ops->get_tx_power) {
3811 int dbm, ret;
3812
3813 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3814 if (ret == 0 &&
3815 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3816 DBM_TO_MBM(dbm)))
3817 goto nla_put_failure;
3818 }
3819
44905265
JB		 3820 wdev_lock(wdev);
3821 switch (wdev->iftype) {
3822 case NL80211_IFTYPE_AP:
a75971bc 3823 case NL80211_IFTYPE_P2P_GO:
7b0a0e3c
JB		 3824 if (wdev->u.ap.ssid_len &&
3825 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
3826 wdev->u.ap.ssid))
4564b187 3827 goto nla_put_failure_locked;
44905265
JB		 3828 break;
3829 case NL80211_IFTYPE_STATION:
3830 case NL80211_IFTYPE_P2P_CLIENT:
7b0a0e3c
JB		 3831 if (wdev->u.client.ssid_len &&
3832 nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
3833 wdev->u.client.ssid))
3834 goto nla_put_failure_locked;
3835 break;
3836 case NL80211_IFTYPE_ADHOC:
3837 if (wdev->u.ibss.ssid_len &&
3838 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
3839 wdev->u.ibss.ssid))
3840 goto nla_put_failure_locked;
44905265 3841 break;
44905265
JB		 3842 default:
3843 /* nothing */
3844 break;
b84e7a05 3845 }
44905265 3846 wdev_unlock(wdev);
b84e7a05 3847
52539ca8
THJ		 3848 if (rdev->ops->get_txq_stats) {
3849 struct cfg80211_txq_stats txqstats = {};
3850 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3851
3852 if (ret == 0 &&
3853 !nl80211_put_txq_stats(msg, &txqstats,
3854 NL80211_ATTR_TXQ_STATS))
3855 goto nla_put_failure;
3856 }
3857
ce08cd34
JB		 3858 if (wdev->valid_links) {
3859 unsigned int link_id;
3860 struct nlattr *links = nla_nest_start(msg,
3861 NL80211_ATTR_MLO_LINKS);
3862
3863 if (!links)
3864 goto nla_put_failure;
3865
3866 for_each_valid_link(wdev, link_id) {
3867 struct nlattr *link = nla_nest_start(msg, link_id + 1);
7a77cd47
VJ		 3868 struct cfg80211_chan_def chandef = {};
3869 int ret;
ce08cd34 3870
5cc58b37
YC		 3871 if (!link)
3872 goto nla_put_failure;
3873
ce08cd34
JB		 3874 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3875 goto nla_put_failure;
3876 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
3877 wdev->links[link_id].addr))
3878 goto nla_put_failure;
7a77cd47
VJ		 3879
3880 ret = rdev_get_channel(rdev, wdev, link_id, &chandef);
3881 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3882 goto nla_put_failure;
3883
ce08cd34
JB		 3884 nla_nest_end(msg, link);
3885 }
3886
3887 nla_nest_end(msg, links);
3888 }
3889
053c095a
JB		 3890 genlmsg_end(msg, hdr);
3891 return 0;
55682965 3892
4564b187
JB		 3893 nla_put_failure_locked:
3894 wdev_unlock(wdev);
55682965 3895 nla_put_failure:
bc3ed28c
TG		 3896 genlmsg_cancel(msg, hdr);
3897 return -EMSGSIZE;
55682965
JB		 3898}
3899
3900static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3901{
3902 int wp_idx = 0;
3903 int if_idx = 0;
3904 int wp_start = cb->args[0];
3905 int if_start = cb->args[1];
b7fb44da 3906 int filter_wiphy = -1;
f5ea9120 3907 struct cfg80211_registered_device *rdev;
55682965 3908 struct wireless_dev *wdev;
ea90e0dc 3909 int ret;
55682965 3910
5fe231e8 3911 rtnl_lock();
b7fb44da
DK		 3912 if (!cb->args[2]) {
3913 struct nl80211_dump_wiphy_state state = {
3914 .filter_wiphy = -1,
3915 };
b7fb44da
DK		 3916
3917 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3918 if (ret)
ea90e0dc 3919 goto out_unlock;
b7fb44da
DK		 3920
3921 filter_wiphy = state.filter_wiphy;
3922
3923 /*
3924 * if filtering, set cb->args[2] to +1 since 0 is the default
3925 * value needed to determine that parsing is necessary.
3926 */
3927 if (filter_wiphy >= 0)
3928 cb->args[2] = filter_wiphy + 1;
3929 else
3930 cb->args[2] = -1;
3931 } else if (cb->args[2] > 0) {
3932 filter_wiphy = cb->args[2] - 1;
3933 }
3934
f5ea9120
JB		 3935 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3936 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3937 continue;
bba95fef
JB		 3938 if (wp_idx < wp_start) {
3939 wp_idx++;
55682965 3940 continue;
bba95fef 3941 }
b7fb44da
DK		 3942
3943 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3944 continue;
3945
55682965
JB		 3946 if_idx = 0;
3947
53873f13 3948 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
bba95fef
JB		 3949 if (if_idx < if_start) {
3950 if_idx++;
55682965 3951 continue;
bba95fef 3952 }
15e47304 3953 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
55682965 3954 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3d1a5bbf
AZ		 3955 rdev, wdev,
3956 NL80211_CMD_NEW_INTERFACE) < 0) {
bba95fef
JB		 3957 goto out;
3958 }
3959 if_idx++;
55682965 3960 }
bba95fef
JB		 3961
3962 wp_idx++;
55682965 3963 }
bba95fef 3964 out:
55682965
JB		 3965 cb->args[0] = wp_idx;
3966 cb->args[1] = if_idx;
3967
ea90e0dc
JB		 3968 ret = skb->len;
3969 out_unlock:
3970 rtnl_unlock();
3971
3972 return ret;
55682965
JB		 3973}
3974
3975static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3976{
3977 struct sk_buff *msg;
1b8ec87a 3978 struct cfg80211_registered_device *rdev = info->user_ptr[0];
72fb2abc 3979 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3980
fd2120ca 3981 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965 3982 if (!msg)
4c476991 3983 return -ENOMEM;
55682965 3984
15e47304 3985 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3986 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4c476991
JB		 3987 nlmsg_free(msg);
3988 return -ENOBUFS;
3989 }
55682965 3990
134e6375 3991 return genlmsg_reply(msg, info);
55682965
JB		 3992}
3993
66f7ac50
MW		 3994static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3995 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3996 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3997 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3998 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3999 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
e057d3c3 4000 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
66f7ac50
MW		 4001};
4002
4003static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
4004{
4005 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
4006 int flag;
4007
4008 *mntrflags = 0;
4009
4010 if (!nla)
4011 return -EINVAL;
4012
8cb08174 4013 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
66f7ac50
MW		 4014 return -EINVAL;
4015
4016 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
4017 if (flags[flag])
4018 *mntrflags |= (1<<flag);
4019
818a986e
JB		 4020 *mntrflags |= MONITOR_FLAG_CHANGED;
4021
66f7ac50
MW		 4022 return 0;
4023}
4024
1db77596
JB		 4025static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
4026 enum nl80211_iftype type,
4027 struct genl_info *info,
4028 struct vif_params *params)
4029{
4030 bool change = false;
4031 int err;
4032
4033 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
4034 if (type != NL80211_IFTYPE_MONITOR)
4035 return -EINVAL;
4036
4037 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
4038 &params->flags);
4039 if (err)
4040 return err;
4041
4042 change = true;
4043 }
4044
4045 if (params->flags & MONITOR_FLAG_ACTIVE &&
4046 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
4047 return -EOPNOTSUPP;
4048
4049 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
4050 const u8 *mumimo_groups;
4051 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4052
4053 if (type != NL80211_IFTYPE_MONITOR)
4054 return -EINVAL;
4055
4056 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4057 return -EOPNOTSUPP;
4058
4059 mumimo_groups =
4060 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
4061
4062 /* bits 0 and 63 are reserved and must be zero */
4954601f
JB		 4063 if ((mumimo_groups[0] & BIT(0)) ||
4064 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
1db77596
JB		 4065 return -EINVAL;
4066
4067 params->vht_mumimo_groups = mumimo_groups;
4068 change = true;
4069 }
4070
4071 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
4072 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4073
4074 if (type != NL80211_IFTYPE_MONITOR)
4075 return -EINVAL;
4076
4077 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4078 return -EOPNOTSUPP;
4079
4080 params->vht_mumimo_follow_addr =
4081 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
4082 change = true;
4083 }
4084
4085 return change ? 1 : 0;
4086}
4087
9bc383de 4088static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
ad4bb6f8
JB		 4089 struct net_device *netdev, u8 use_4addr,
4090 enum nl80211_iftype iftype)
9bc383de 4091{
ad4bb6f8 4092 if (!use_4addr) {
2e92a2d0 4093 if (netdev && netif_is_bridge_port(netdev))
ad4bb6f8 4094 return -EBUSY;
9bc383de 4095 return 0;
ad4bb6f8 4096 }
9bc383de
JB		 4097
4098 switch (iftype) {
4099 case NL80211_IFTYPE_AP_VLAN:
4100 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
4101 return 0;
4102 break;
4103 case NL80211_IFTYPE_STATION:
4104 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
4105 return 0;
4106 break;
4107 default:
4108 break;
4109 }
4110
4111 return -EOPNOTSUPP;
4112}
4113
55682965
JB		 4114static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
4115{
4c476991 4116 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 4117 struct vif_params params;
e36d56b6 4118 int err;
04a773ad 4119 enum nl80211_iftype otype, ntype;
4c476991 4120 struct net_device *dev = info->user_ptr[1];
ac7f9cfa 4121 bool change = false;
55682965 4122
2ec600d6
LCC		 4123 memset(&params, 0, sizeof(params));
4124
04a773ad 4125 otype = ntype = dev->ieee80211_ptr->iftype;
55682965 4126
723b038d 4127 if (info->attrs[NL80211_ATTR_IFTYPE]) {
ac7f9cfa 4128 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
04a773ad 4129 if (otype != ntype)
ac7f9cfa 4130 change = true;
723b038d
JB		 4131 }
4132
92ffe055 4133 if (info->attrs[NL80211_ATTR_MESH_ID]) {
29cbe68c
JB		 4134 struct wireless_dev *wdev = dev->ieee80211_ptr;
4135
4c476991
JB		 4136 if (ntype != NL80211_IFTYPE_MESH_POINT)
4137 return -EINVAL;
29cbe68c
JB		 4138 if (netif_running(dev))
4139 return -EBUSY;
4140
4141 wdev_lock(wdev);
4142 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4143 IEEE80211_MAX_MESH_ID_LEN);
7b0a0e3c 4144 wdev->u.mesh.id_up_len =
29cbe68c 4145 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
7b0a0e3c
JB		 4146 memcpy(wdev->u.mesh.id,
4147 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4148 wdev->u.mesh.id_up_len);
29cbe68c 4149 wdev_unlock(wdev);
2ec600d6
LCC		 4150 }
4151
8b787643
FF		 4152 if (info->attrs[NL80211_ATTR_4ADDR]) {
4153 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4154 change = true;
ad4bb6f8 4155 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
9bc383de 4156 if (err)
4c476991 4157 return err;
8b787643
FF		 4158 } else {
4159 params.use_4addr = -1;
4160 }
4161
1db77596
JB		 4162 err = nl80211_parse_mon_options(rdev, ntype, info, &params);
4163 if (err < 0)
4164 return err;
4165 if (err > 0)
c6e6a0c8 4166 change = true;
e057d3c3 4167
ac7f9cfa 4168 if (change)
818a986e 4169 err = cfg80211_change_iface(rdev, dev, ntype, &params);
ac7f9cfa
JB		 4170 else
4171 err = 0;
60719ffd 4172
9bc383de
JB		 4173 if (!err && params.use_4addr != -1)
4174 dev->ieee80211_ptr->use_4addr = params.use_4addr;
4175
3d1a5bbf
AZ		 4176 if (change && !err) {
4177 struct wireless_dev *wdev = dev->ieee80211_ptr;
4178
4179 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
4180 }
4181
55682965
JB		 4182 return err;
4183}
4184
ea6b2098 4185static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
55682965 4186{
4c476991 4187 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 4188 struct vif_params params;
84efbb84 4189 struct wireless_dev *wdev;
896ff063 4190 struct sk_buff *msg;
55682965
JB		 4191 int err;
4192 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
4193
2ec600d6
LCC		 4194 memset(&params, 0, sizeof(params));
4195
55682965
JB		 4196 if (!info->attrs[NL80211_ATTR_IFNAME])
4197 return -EINVAL;
4198
ab0d76f6 4199 if (info->attrs[NL80211_ATTR_IFTYPE])
55682965 4200 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
55682965 4201
33d915d9 4202 if (!rdev->ops->add_virtual_intf)
4c476991 4203 return -EOPNOTSUPP;
55682965 4204
cb3b7d87 4205 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
e8f479b1
BG		 4206 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
4207 info->attrs[NL80211_ATTR_MAC]) {
1c18f145
AS		 4208 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
4209 ETH_ALEN);
4210 if (!is_valid_ether_addr(params.macaddr))
4211 return -EADDRNOTAVAIL;
4212 }
4213
9bc383de 4214 if (info->attrs[NL80211_ATTR_4ADDR]) {
8b787643 4215 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
ad4bb6f8 4216 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
9bc383de 4217 if (err)
4c476991 4218 return err;
9bc383de 4219 }
8b787643 4220
e6f40511 4221 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
33d915d9
MP		 4222 return -EOPNOTSUPP;
4223
1db77596
JB		 4224 err = nl80211_parse_mon_options(rdev, type, info, &params);
4225 if (err < 0)
4226 return err;
e057d3c3 4227
a18c7192
JB		 4228 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4229 if (!msg)
4230 return -ENOMEM;
4231
e35e4d28
HG		 4232 wdev = rdev_add_virtual_intf(rdev,
4233 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
818a986e 4234 NET_NAME_USER, type, &params);
d687cbb7
RM		 4235 if (WARN_ON(!wdev)) {
4236 nlmsg_free(msg);
4237 return -EPROTO;
4238 } else if (IS_ERR(wdev)) {
1c90f9d4 4239 nlmsg_free(msg);
84efbb84 4240 return PTR_ERR(wdev);
1c90f9d4 4241 }
2ec600d6 4242
18e5ca65 4243 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
78f22b6a
JB		 4244 wdev->owner_nlportid = info->snd_portid;
4245
98104fde
JB		 4246 switch (type) {
4247 case NL80211_IFTYPE_MESH_POINT:
4248 if (!info->attrs[NL80211_ATTR_MESH_ID])
4249 break;
29cbe68c
JB		 4250 wdev_lock(wdev);
4251 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4252 IEEE80211_MAX_MESH_ID_LEN);
7b0a0e3c 4253 wdev->u.mesh.id_up_len =
29cbe68c 4254 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
7b0a0e3c
JB		 4255 memcpy(wdev->u.mesh.id,
4256 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4257 wdev->u.mesh.id_up_len);
29cbe68c 4258 wdev_unlock(wdev);
98104fde 4259 break;
cb3b7d87 4260 case NL80211_IFTYPE_NAN:
98104fde
JB		 4261 case NL80211_IFTYPE_P2P_DEVICE:
4262 /*
cb3b7d87 4263 * P2P Device and NAN do not have a netdev, so don't go
98104fde
JB		 4264 * through the netdev notifier and must be added here
4265 */
9bdaf3b9
JB		 4266 cfg80211_init_wdev(wdev);
4267 cfg80211_register_wdev(rdev, wdev);
98104fde
JB		 4268 break;
4269 default:
4270 break;
29cbe68c
JB		 4271 }
4272
15e47304 4273 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 4274 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
1c90f9d4
JB		 4275 nlmsg_free(msg);
4276 return -ENOBUFS;
4277 }
4278
4279 return genlmsg_reply(msg, info);
55682965
JB		 4280}
4281
ea6b2098
JB		 4282static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4283{
4284 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4285 int ret;
4286
4287 /* to avoid failing a new interface creation due to pending removal */
4288 cfg80211_destroy_ifaces(rdev);
4289
4290 wiphy_lock(&rdev->wiphy);
4291 ret = _nl80211_new_interface(skb, info);
4292 wiphy_unlock(&rdev->wiphy);
4293
4294 return ret;
4295}
4296
55682965
JB		 4297static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4298{
4c476991 4299 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84efbb84 4300 struct wireless_dev *wdev = info->user_ptr[1];
55682965 4301
4c476991
JB		 4302 if (!rdev->ops->del_virtual_intf)
4303 return -EOPNOTSUPP;
55682965 4304
a05829a7
JB		 4305 /*
4306 * We hold RTNL, so this is safe, without RTNL opencount cannot
4307 * reach 0, and thus the rdev cannot be deleted.
4308 *
4309 * We need to do it for the dev_close(), since that will call
4310 * the netdev notifiers, and we need to acquire the mutex there
4311 * but don't know if we get there from here or from some other
4312 * place (e.g. "ip link set ... down").
4313 */
4314 mutex_unlock(&rdev->wiphy.mtx);
4315
84efbb84
JB		 4316 /*
4317 * If we remove a wireless device without a netdev then clear
4318 * user_ptr[1] so that nl80211_post_doit won't dereference it
4319 * to check if it needs to do dev_put(). Otherwise it crashes
4320 * since the wdev has been freed, unlike with a netdev where
4321 * we need the dev_put() for the netdev to really be freed.
4322 */
4323 if (!wdev->netdev)
4324 info->user_ptr[1] = NULL;
a05829a7
JB		 4325 else
4326 dev_close(wdev->netdev);
4327
4328 mutex_lock(&rdev->wiphy.mtx);
84efbb84 4329
cdf0a0a8 4330 return cfg80211_remove_virtual_intf(rdev, wdev);
55682965
JB		 4331}
4332
1d9d9213
SW		 4333static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4334{
4335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4336 struct net_device *dev = info->user_ptr[1];
4337 u16 noack_map;
4338
4339 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4340 return -EINVAL;
4341
4342 if (!rdev->ops->set_noack_map)
4343 return -EOPNOTSUPP;
4344
4345 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4346
e35e4d28 4347 return rdev_set_noack_map(rdev, dev, noack_map);
1d9d9213
SW		 4348}
4349
e7a7b84e
VJ		 4350static int nl80211_validate_key_link_id(struct genl_info *info,
4351 struct wireless_dev *wdev,
4352 int link_id, bool pairwise)
4353{
4354 if (pairwise) {
4355 if (link_id != -1) {
4356 GENL_SET_ERR_MSG(info,
4357 "link ID not allowed for pairwise key");
4358 return -EINVAL;
4359 }
4360
4361 return 0;
4362 }
4363
4364 if (wdev->valid_links) {
4365 if (link_id == -1) {
4366 GENL_SET_ERR_MSG(info,
4367 "link ID must for MLO group key");
4368 return -EINVAL;
4369 }
4370 if (!(wdev->valid_links & BIT(link_id))) {
4371 GENL_SET_ERR_MSG(info, "invalid link ID for MLO group key");
4372 return -EINVAL;
4373 }
4374 } else if (link_id != -1) {
4375 GENL_SET_ERR_MSG(info, "link ID not allowed for non-MLO group key");
4376 return -EINVAL;
4377 }
4378
4379 return 0;
4380}
4381
41ade00f
JB		 4382struct get_key_cookie {
4383 struct sk_buff *msg;
4384 int error;
b9454e83 4385 int idx;
41ade00f
JB		 4386};
4387
4388static void get_key_callback(void *c, struct key_params *params)
4389{
b9454e83 4390 struct nlattr *key;
41ade00f
JB		 4391 struct get_key_cookie *cookie = c;
4392
9360ffd1
DM		 4393 if ((params->key &&
4394 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4395 params->key_len, params->key)) ||
4396 (params->seq &&
4397 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4398 params->seq_len, params->seq)) ||
4399 (params->cipher &&
4400 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4401 params->cipher)))
4402 goto nla_put_failure;
41ade00f 4403
ae0be8de 4404 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
b9454e83
JB		 4405 if (!key)
4406 goto nla_put_failure;
4407
9360ffd1
DM		 4408 if ((params->key &&
4409 nla_put(cookie->msg, NL80211_KEY_DATA,
4410 params->key_len, params->key)) ||
4411 (params->seq &&
4412 nla_put(cookie->msg, NL80211_KEY_SEQ,
4413 params->seq_len, params->seq)) ||
4414 (params->cipher &&
4415 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4416 params->cipher)))
4417 goto nla_put_failure;
b9454e83 4418
efdfce72 4419 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
9360ffd1 4420 goto nla_put_failure;
b9454e83
JB		 4421
4422 nla_nest_end(cookie->msg, key);
4423
41ade00f
JB		 4424 return;
4425 nla_put_failure:
4426 cookie->error = 1;
4427}
4428
4429static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4430{
4c476991 4431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4432 int err;
4c476991 4433 struct net_device *dev = info->user_ptr[1];
41ade00f 4434 u8 key_idx = 0;
e31b8213
JB		 4435 const u8 *mac_addr = NULL;
4436 bool pairwise;
41ade00f
JB		 4437 struct get_key_cookie cookie = {
4438 .error = 0,
4439 };
4440 void *hdr;
4441 struct sk_buff *msg;
155d7c73 4442 bool bigtk_support = false;
e7a7b84e
VJ		 4443 int link_id = nl80211_link_id_or_invalid(info->attrs);
4444 struct wireless_dev *wdev = dev->ieee80211_ptr;
155d7c73
JB		 4445
4446 if (wiphy_ext_feature_isset(&rdev->wiphy,
4447 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4448 bigtk_support = true;
4449
e7a7b84e
VJ		 4450 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
4451 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
155d7c73
JB		 4452 wiphy_ext_feature_isset(&rdev->wiphy,
4453 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4454 bigtk_support = true;
41ade00f 4455
56be393f 4456 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
41ade00f 4457 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
155d7c73
JB		 4458
4459 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4460 GENL_SET_ERR_MSG(info, "BIGTK not supported");
56be393f 4461 return -EINVAL;
155d7c73 4462 }
56be393f 4463 }
41ade00f 4464
41ade00f
JB		 4465 if (info->attrs[NL80211_ATTR_MAC])
4466 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4467
e31b8213
JB		 4468 pairwise = !!mac_addr;
4469 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4470 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
7a087e74 4471
e31b8213
JB		 4472 if (kt != NL80211_KEYTYPE_GROUP &&
4473 kt != NL80211_KEYTYPE_PAIRWISE)
4474 return -EINVAL;
4475 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4476 }
4477
4c476991
JB		 4478 if (!rdev->ops->get_key)
4479 return -EOPNOTSUPP;
41ade00f 4480
0fa7b391
JB		 4481 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4482 return -ENOENT;
4483
fd2120ca 4484 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 4485 if (!msg)
4486 return -ENOMEM;
41ade00f 4487
15e47304 4488 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
41ade00f 4489 NL80211_CMD_NEW_KEY);
cb35fba3 4490 if (!hdr)
9fe271af 4491 goto nla_put_failure;
41ade00f
JB		 4492
4493 cookie.msg = msg;
b9454e83 4494 cookie.idx = key_idx;
41ade00f 4495
9360ffd1
DM		 4496 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4497 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4498 goto nla_put_failure;
4499 if (mac_addr &&
4500 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4501 goto nla_put_failure;
41ade00f 4502
e7a7b84e
VJ		 4503 err = nl80211_validate_key_link_id(info, wdev, link_id, pairwise);
4504 if (err)
4505 goto free_msg;
4506
4507 err = rdev_get_key(rdev, dev, link_id, key_idx, pairwise, mac_addr,
4508 &cookie, get_key_callback);
41ade00f
JB		 4509
4510 if (err)
6c95e2a2 4511 goto free_msg;
41ade00f
JB		 4512
4513 if (cookie.error)
4514 goto nla_put_failure;
4515
4516 genlmsg_end(msg, hdr);
4c476991 4517 return genlmsg_reply(msg, info);
41ade00f
JB		 4518
4519 nla_put_failure:
4520 err = -ENOBUFS;
6c95e2a2 4521 free_msg:
41ade00f 4522 nlmsg_free(msg);
41ade00f
JB		 4523 return err;
4524}
4525
4526static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4527{
4c476991 4528 struct cfg80211_registered_device *rdev = info->user_ptr[0];
b9454e83 4529 struct key_parse key;
41ade00f 4530 int err;
4c476991 4531 struct net_device *dev = info->user_ptr[1];
e7a7b84e
VJ		 4532 int link_id = nl80211_link_id_or_invalid(info->attrs);
4533 struct wireless_dev *wdev = dev->ieee80211_ptr;
41ade00f 4534
b9454e83
JB		 4535 err = nl80211_parse_key(info, &key);
4536 if (err)
4537 return err;
41ade00f 4538
b9454e83 4539 if (key.idx < 0)
41ade00f
JB		 4540 return -EINVAL;
4541
6cdd3979
AW		 4542 /* Only support setting default key and
4543 * Extended Key ID action NL80211_KEY_SET_TX.
4544 */
56be393f 4545 if (!key.def && !key.defmgmt && !key.defbeacon &&
6cdd3979 4546 !(key.p.mode == NL80211_KEY_SET_TX))
41ade00f
JB		 4547 return -EINVAL;
4548
e7a7b84e 4549 wdev_lock(wdev);
3cfcf6ac 4550
dbd2fd65
JB		 4551 if (key.def) {
4552 if (!rdev->ops->set_default_key) {
4553 err = -EOPNOTSUPP;
4554 goto out;
4555 }
41ade00f 4556
e7a7b84e
VJ		 4557 err = nl80211_key_allowed(wdev);
4558 if (err)
4559 goto out;
4560
4561 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
dbd2fd65
JB		 4562 if (err)
4563 goto out;
4564
e7a7b84e
VJ		 4565 err = rdev_set_default_key(rdev, dev, link_id, key.idx,
4566 key.def_uni, key.def_multi);
dbd2fd65
JB		 4567
4568 if (err)
4569 goto out;
fffd0934 4570
3d23e349 4571#ifdef CONFIG_CFG80211_WEXT
e7a7b84e 4572 wdev->wext.default_key = key.idx;
dbd2fd65 4573#endif
6cdd3979 4574 } else if (key.defmgmt) {
dbd2fd65
JB		 4575 if (key.def_uni || !key.def_multi) {
4576 err = -EINVAL;
4577 goto out;
4578 }
4579
4580 if (!rdev->ops->set_default_mgmt_key) {
4581 err = -EOPNOTSUPP;
4582 goto out;
4583 }
4584
e7a7b84e
VJ		 4585 err = nl80211_key_allowed(wdev);
4586 if (err)
4587 goto out;
4588
4589 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
dbd2fd65
JB		 4590 if (err)
4591 goto out;
4592
e7a7b84e 4593 err = rdev_set_default_mgmt_key(rdev, dev, link_id, key.idx);
dbd2fd65
JB		 4594 if (err)
4595 goto out;
4596
4597#ifdef CONFIG_CFG80211_WEXT
e7a7b84e 4598 wdev->wext.default_mgmt_key = key.idx;
08645126 4599#endif
56be393f
JM		 4600 } else if (key.defbeacon) {
4601 if (key.def_uni || !key.def_multi) {
4602 err = -EINVAL;
4603 goto out;
4604 }
4605
4606 if (!rdev->ops->set_default_beacon_key) {
4607 err = -EOPNOTSUPP;
4608 goto out;
4609 }
4610
e7a7b84e 4611 err = nl80211_key_allowed(wdev);
56be393f
JM		 4612 if (err)
4613 goto out;
4614
e7a7b84e
VJ		 4615 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4616 if (err)
4617 goto out;
4618
4619 err = rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
56be393f
JM		 4620 if (err)
4621 goto out;
6cdd3979
AW		 4622 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4623 wiphy_ext_feature_isset(&rdev->wiphy,
4624 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4625 u8 *mac_addr = NULL;
4626
4627 if (info->attrs[NL80211_ATTR_MAC])
4628 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4629
4630 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4631 err = -EINVAL;
4632 goto out;
4633 }
dbd2fd65 4634
e7a7b84e
VJ		 4635 err = nl80211_validate_key_link_id(info, wdev, link_id, true);
4636 if (err)
4637 goto out;
4638
4639 err = rdev_add_key(rdev, dev, link_id, key.idx,
6cdd3979
AW		 4640 NL80211_KEYTYPE_PAIRWISE,
4641 mac_addr, &key.p);
4642 } else {
4643 err = -EINVAL;
4644 }
dbd2fd65 4645 out:
e7a7b84e 4646 wdev_unlock(wdev);
41ade00f 4647
41ade00f
JB		 4648 return err;
4649}
4650
4651static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4652{
4c476991 4653 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fffd0934 4654 int err;
4c476991 4655 struct net_device *dev = info->user_ptr[1];
b9454e83 4656 struct key_parse key;
e31b8213 4657 const u8 *mac_addr = NULL;
e7a7b84e
VJ		 4658 int link_id = nl80211_link_id_or_invalid(info->attrs);
4659 struct wireless_dev *wdev = dev->ieee80211_ptr;
41ade00f 4660
b9454e83
JB		 4661 err = nl80211_parse_key(info, &key);
4662 if (err)
4663 return err;
41ade00f 4664
f8af764b
JM		 4665 if (!key.p.key) {
4666 GENL_SET_ERR_MSG(info, "no key");
41ade00f 4667 return -EINVAL;
f8af764b 4668 }
41ade00f 4669
41ade00f
JB		 4670 if (info->attrs[NL80211_ATTR_MAC])
4671 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4672
e31b8213
JB		 4673 if (key.type == -1) {
4674 if (mac_addr)
4675 key.type = NL80211_KEYTYPE_PAIRWISE;
4676 else
4677 key.type = NL80211_KEYTYPE_GROUP;
4678 }
4679
4680 /* for now */
4681 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
f8af764b
JM		 4682 key.type != NL80211_KEYTYPE_GROUP) {
4683 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
e31b8213 4684 return -EINVAL;
f8af764b 4685 }
e31b8213 4686
14f34e36
GG		 4687 if (key.type == NL80211_KEYTYPE_GROUP &&
4688 info->attrs[NL80211_ATTR_VLAN_ID])
4689 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4690
4c476991
JB		 4691 if (!rdev->ops->add_key)
4692 return -EOPNOTSUPP;
25e47c18 4693
e31b8213
JB		 4694 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4695 key.type == NL80211_KEYTYPE_PAIRWISE,
f8af764b
JM		 4696 mac_addr)) {
4697 GENL_SET_ERR_MSG(info, "key setting validation failed");
4c476991 4698 return -EINVAL;
f8af764b 4699 }
41ade00f 4700
e7a7b84e
VJ		 4701 wdev_lock(wdev);
4702 err = nl80211_key_allowed(wdev);
f8af764b
JM		 4703 if (err)
4704 GENL_SET_ERR_MSG(info, "key not allowed");
e7a7b84e
VJ		 4705
4706 if (!err)
4707 err = nl80211_validate_key_link_id(info, wdev, link_id,
4708 key.type == NL80211_KEYTYPE_PAIRWISE);
4709
f8af764b 4710 if (!err) {
e7a7b84e 4711 err = rdev_add_key(rdev, dev, link_id, key.idx,
e35e4d28
HG		 4712 key.type == NL80211_KEYTYPE_PAIRWISE,
4713 mac_addr, &key.p);
f8af764b
JM		 4714 if (err)
4715 GENL_SET_ERR_MSG(info, "key addition failed");
4716 }
e7a7b84e 4717 wdev_unlock(wdev);
41ade00f 4718
41ade00f
JB		 4719 return err;
4720}
4721
4722static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4723{
4c476991 4724 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4725 int err;
4c476991 4726 struct net_device *dev = info->user_ptr[1];
41ade00f 4727 u8 *mac_addr = NULL;
b9454e83 4728 struct key_parse key;
e7a7b84e
VJ		 4729 int link_id = nl80211_link_id_or_invalid(info->attrs);
4730 struct wireless_dev *wdev = dev->ieee80211_ptr;
41ade00f 4731
b9454e83
JB		 4732 err = nl80211_parse_key(info, &key);
4733 if (err)
4734 return err;
41ade00f
JB		 4735
4736 if (info->attrs[NL80211_ATTR_MAC])
4737 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4738
e31b8213
JB		 4739 if (key.type == -1) {
4740 if (mac_addr)
4741 key.type = NL80211_KEYTYPE_PAIRWISE;
4742 else
4743 key.type = NL80211_KEYTYPE_GROUP;
4744 }
4745
4746 /* for now */
4747 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4748 key.type != NL80211_KEYTYPE_GROUP)
4749 return -EINVAL;
4750
2d946308
AT		 4751 if (!cfg80211_valid_key_idx(rdev, key.idx,
4752 key.type == NL80211_KEYTYPE_PAIRWISE))
4753 return -EINVAL;
4754
4c476991
JB		 4755 if (!rdev->ops->del_key)
4756 return -EOPNOTSUPP;
41ade00f 4757
e7a7b84e
VJ		 4758 wdev_lock(wdev);
4759 err = nl80211_key_allowed(wdev);
e31b8213 4760
0fa7b391 4761 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
e31b8213
JB		 4762 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4763 err = -ENOENT;
4764
fffd0934 4765 if (!err)
e7a7b84e
VJ		 4766 err = nl80211_validate_key_link_id(info, wdev, link_id,
4767 key.type == NL80211_KEYTYPE_PAIRWISE);
4768
4769 if (!err)
4770 err = rdev_del_key(rdev, dev, link_id, key.idx,
e35e4d28
HG		 4771 key.type == NL80211_KEYTYPE_PAIRWISE,
4772 mac_addr);
41ade00f 4773
3d23e349 4774#ifdef CONFIG_CFG80211_WEXT
08645126 4775 if (!err) {
e7a7b84e
VJ		 4776 if (key.idx == wdev->wext.default_key)
4777 wdev->wext.default_key = -1;
4778 else if (key.idx == wdev->wext.default_mgmt_key)
4779 wdev->wext.default_mgmt_key = -1;
08645126
JB		 4780 }
4781#endif
e7a7b84e 4782 wdev_unlock(wdev);
08645126 4783
41ade00f
JB		 4784 return err;
4785}
4786
77765eaf
VT		 4787/* This function returns an error or the number of nested attributes */
4788static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4789{
4790 struct nlattr *attr;
4791 int n_entries = 0, tmp;
4792
4793 nla_for_each_nested(attr, nl_attr, tmp) {
4794 if (nla_len(attr) != ETH_ALEN)
4795 return -EINVAL;
4796
4797 n_entries++;
4798 }
4799
4800 return n_entries;
4801}
4802
4803/*
4804 * This function parses ACL information and allocates memory for ACL data.
4805 * On successful return, the calling function is responsible to free the
4806 * ACL buffer returned by this function.
4807 */
4808static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4809 struct genl_info *info)
4810{
4811 enum nl80211_acl_policy acl_policy;
4812 struct nlattr *attr;
4813 struct cfg80211_acl_data *acl;
4814 int i = 0, n_entries, tmp;
4815
4816 if (!wiphy->max_acl_mac_addrs)
4817 return ERR_PTR(-EOPNOTSUPP);
4818
4819 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4820 return ERR_PTR(-EINVAL);
4821
4822 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4823 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4824 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4825 return ERR_PTR(-EINVAL);
4826
4827 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4828 return ERR_PTR(-EINVAL);
4829
4830 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4831 if (n_entries < 0)
4832 return ERR_PTR(n_entries);
4833
4834 if (n_entries > wiphy->max_acl_mac_addrs)
4835 return ERR_PTR(-ENOTSUPP);
4836
391d132c 4837 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
77765eaf
VT		 4838 if (!acl)
4839 return ERR_PTR(-ENOMEM);
4840
4841 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4842 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4843 i++;
4844 }
4845
4846 acl->n_acl_entries = n_entries;
4847 acl->acl_policy = acl_policy;
4848
4849 return acl;
4850}
4851
4852static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4853{
4854 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4855 struct net_device *dev = info->user_ptr[1];
4856 struct cfg80211_acl_data *acl;
4857 int err;
4858
4859 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4860 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4861 return -EOPNOTSUPP;
4862
7b0a0e3c 4863 if (!dev->ieee80211_ptr->links[0].ap.beacon_interval)
77765eaf
VT		 4864 return -EINVAL;
4865
4866 acl = parse_acl_data(&rdev->wiphy, info);
4867 if (IS_ERR(acl))
4868 return PTR_ERR(acl);
4869
4870 err = rdev_set_mac_acl(rdev, dev, acl);
4871
4872 kfree(acl);
4873
4874 return err;
4875}
4876
a7c7fbff
PK		 4877static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4878 u8 *rates, u8 rates_len)
4879{
4880 u8 i;
4881 u32 mask = 0;
4882
4883 for (i = 0; i < rates_len; i++) {
4884 int rate = (rates[i] & 0x7f) * 5;
4885 int ridx;
4886
4887 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4888 struct ieee80211_rate *srate =
4889 &sband->bitrates[ridx];
4890 if (rate == srate->bitrate) {
4891 mask |= 1 << ridx;
4892 break;
4893 }
4894 }
4895 if (ridx == sband->n_bitrates)
4896 return 0; /* rate not found */
4897 }
4898
4899 return mask;
4900}
4901
4902static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4903 u8 *rates, u8 rates_len,
4904 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4905{
4906 u8 i;
4907
4908 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4909
4910 for (i = 0; i < rates_len; i++) {
4911 int ridx, rbit;
4912
4913 ridx = rates[i] / 8;
4914 rbit = BIT(rates[i] % 8);
4915
4916 /* check validity */
4917 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4918 return false;
4919
4920 /* check availability */
30fe6d50 4921 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
a7c7fbff
PK		 4922 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4923 mcs[ridx] |= rbit;
4924 else
4925 return false;
4926 }
4927
4928 return true;
4929}
4930
4931static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4932{
4933 u16 mcs_mask = 0;
4934
4935 switch (vht_mcs_map) {
4936 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4937 break;
4938 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4939 mcs_mask = 0x00FF;
4940 break;
4941 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4942 mcs_mask = 0x01FF;
4943 break;
4944 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4945 mcs_mask = 0x03FF;
4946 break;
4947 default:
4948 break;
4949 }
4950
4951 return mcs_mask;
4952}
4953
4954static void vht_build_mcs_mask(u16 vht_mcs_map,
4955 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4956{
4957 u8 nss;
4958
4959 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4960 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4961 vht_mcs_map >>= 2;
4962 }
4963}
4964
4965static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4966 struct nl80211_txrate_vht *txrate,
4967 u16 mcs[NL80211_VHT_NSS_MAX])
4968{
4969 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4970 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4971 u8 i;
4972
4973 if (!sband->vht_cap.vht_supported)
4974 return false;
4975
4976 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4977
4978 /* Build vht_mcs_mask from VHT capabilities */
4979 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4980
4981 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4982 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4983 mcs[i] = txrate->mcs[i];
4984 else
4985 return false;
4986 }
4987
4988 return true;
4989}
4990
eb89a6a6
MH		 4991static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4992{
4993 switch (he_mcs_map) {
4994 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4995 return 0;
4996 case IEEE80211_HE_MCS_SUPPORT_0_7:
4997 return 0x00FF;
4998 case IEEE80211_HE_MCS_SUPPORT_0_9:
4999 return 0x03FF;
5000 case IEEE80211_HE_MCS_SUPPORT_0_11:
5001 return 0xFFF;
5002 default:
5003 break;
5004 }
5005 return 0;
5006}
5007
5008static void he_build_mcs_mask(u16 he_mcs_map,
5009 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
5010{
5011 u8 nss;
5012
5013 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
5014 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
5015 he_mcs_map >>= 2;
5016 }
5017}
5018
7b0a0e3c 5019static u16 he_get_txmcsmap(struct genl_info *info, unsigned int link_id,
eb89a6a6
MH		 5020 const struct ieee80211_sta_he_cap *he_cap)
5021{
5022 struct net_device *dev = info->user_ptr[1];
5023 struct wireless_dev *wdev = dev->ieee80211_ptr;
7b0a0e3c
JB		 5024 struct cfg80211_chan_def *chandef;
5025 __le16 tx_mcs;
eb89a6a6 5026
7b0a0e3c
JB		 5027 chandef = wdev_chandef(wdev, link_id);
5028 if (!chandef) {
5029 /*
5030 * This is probably broken, but we never maintained
5031 * a chandef in these cases, so it always was.
5032 */
5033 return le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
5034 }
5035
5036 switch (chandef->width) {
eb89a6a6
MH		 5037 case NL80211_CHAN_WIDTH_80P80:
5038 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
5039 break;
5040 case NL80211_CHAN_WIDTH_160:
5041 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
5042 break;
5043 default:
5044 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
5045 break;
5046 }
7b0a0e3c 5047
eb89a6a6
MH		 5048 return le16_to_cpu(tx_mcs);
5049}
5050
5051static bool he_set_mcs_mask(struct genl_info *info,
5052 struct wireless_dev *wdev,
5053 struct ieee80211_supported_band *sband,
5054 struct nl80211_txrate_he *txrate,
7b0a0e3c
JB		 5055 u16 mcs[NL80211_HE_NSS_MAX],
5056 unsigned int link_id)
eb89a6a6
MH		 5057{
5058 const struct ieee80211_sta_he_cap *he_cap;
5059 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
5060 u16 tx_mcs_map = 0;
5061 u8 i;
5062
5063 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5064 if (!he_cap)
5065 return false;
5066
5067 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
5068
7b0a0e3c 5069 tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
eb89a6a6
MH		 5070
5071 /* Build he_mcs_mask from HE capabilities */
5072 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5073
5074 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5075 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5076 mcs[i] = txrate->mcs[i];
5077 else
5078 return false;
5079 }
5080
5081 return true;
5082}
5083
a7c7fbff 5084static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
9a5f6488
TC		 5085 struct nlattr *attrs[],
5086 enum nl80211_attrs attr,
eb89a6a6 5087 struct cfg80211_bitrate_mask *mask,
857b34c4 5088 struct net_device *dev,
7b0a0e3c
JB		 5089 bool default_all_enabled,
5090 unsigned int link_id)
a7c7fbff
PK		 5091{
5092 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5093 struct cfg80211_registered_device *rdev = info->user_ptr[0];
eb89a6a6 5094 struct wireless_dev *wdev = dev->ieee80211_ptr;
a7c7fbff
PK		 5095 int rem, i;
5096 struct nlattr *tx_rates;
5097 struct ieee80211_supported_band *sband;
eb89a6a6 5098 u16 vht_tx_mcs_map, he_tx_mcs_map;
a7c7fbff
PK		 5099
5100 memset(mask, 0, sizeof(*mask));
5101 /* Default to all rates enabled */
5102 for (i = 0; i < NUM_NL80211_BANDS; i++) {
eb89a6a6
MH		 5103 const struct ieee80211_sta_he_cap *he_cap;
5104
857b34c4
RM		 5105 if (!default_all_enabled)
5106 break;
5107
a7c7fbff
PK		 5108 sband = rdev->wiphy.bands[i];
5109
5110 if (!sband)
5111 continue;
5112
5113 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
5114 memcpy(mask->control[i].ht_mcs,
5115 sband->ht_cap.mcs.rx_mask,
5116 sizeof(mask->control[i].ht_mcs));
5117
9df66d5b
PKS		 5118 if (sband->vht_cap.vht_supported) {
5119 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5120 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
5121 }
eb89a6a6
MH		 5122
5123 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5124 if (!he_cap)
5125 continue;
5126
7b0a0e3c 5127 he_tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
eb89a6a6
MH		 5128 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
5129
5130 mask->control[i].he_gi = 0xFF;
5131 mask->control[i].he_ltf = 0xFF;
a7c7fbff
PK		 5132 }
5133
5134 /* if no rates are given set it back to the defaults */
9a5f6488 5135 if (!attrs[attr])
a7c7fbff
PK		 5136 goto out;
5137
5138 /* The nested attribute uses enum nl80211_band as the index. This maps
5139 * directly to the enum nl80211_band values used in cfg80211.
5140 */
5141 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
9a5f6488 5142 nla_for_each_nested(tx_rates, attrs[attr], rem) {
a7c7fbff
PK		 5143 enum nl80211_band band = nla_type(tx_rates);
5144 int err;
5145
5146 if (band < 0 || band >= NUM_NL80211_BANDS)
5147 return -EINVAL;
5148 sband = rdev->wiphy.bands[band];
5149 if (sband == NULL)
5150 return -EINVAL;
8cb08174
JB		 5151 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
5152 tx_rates,
5153 nl80211_txattr_policy,
5154 info->extack);
a7c7fbff
PK		 5155 if (err)
5156 return err;
5157 if (tb[NL80211_TXRATE_LEGACY]) {
5158 mask->control[band].legacy = rateset_to_mask(
5159 sband,
5160 nla_data(tb[NL80211_TXRATE_LEGACY]),
5161 nla_len(tb[NL80211_TXRATE_LEGACY]));
5162 if ((mask->control[band].legacy == 0) &&
5163 nla_len(tb[NL80211_TXRATE_LEGACY]))
5164 return -EINVAL;
5165 }
5166 if (tb[NL80211_TXRATE_HT]) {
5167 if (!ht_rateset_to_mask(
5168 sband,
5169 nla_data(tb[NL80211_TXRATE_HT]),
5170 nla_len(tb[NL80211_TXRATE_HT]),
5171 mask->control[band].ht_mcs))
5172 return -EINVAL;
5173 }
c4a30446 5174
a7c7fbff
PK		 5175 if (tb[NL80211_TXRATE_VHT]) {
5176 if (!vht_set_mcs_mask(
5177 sband,
5178 nla_data(tb[NL80211_TXRATE_VHT]),
5179 mask->control[band].vht_mcs))
5180 return -EINVAL;
5181 }
c4a30446 5182
a7c7fbff
PK		 5183 if (tb[NL80211_TXRATE_GI]) {
5184 mask->control[band].gi =
5185 nla_get_u8(tb[NL80211_TXRATE_GI]);
5186 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
5187 return -EINVAL;
5188 }
eb89a6a6
MH		 5189 if (tb[NL80211_TXRATE_HE] &&
5190 !he_set_mcs_mask(info, wdev, sband,
5191 nla_data(tb[NL80211_TXRATE_HE]),
7b0a0e3c
JB		 5192 mask->control[band].he_mcs,
5193 link_id))
eb89a6a6 5194 return -EINVAL;
c4a30446 5195
eb89a6a6
MH		 5196 if (tb[NL80211_TXRATE_HE_GI])
5197 mask->control[band].he_gi =
5198 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
5199 if (tb[NL80211_TXRATE_HE_LTF])
5200 mask->control[band].he_ltf =
5201 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
a7c7fbff
PK		 5202
5203 if (mask->control[band].legacy == 0) {
eb89a6a6 5204 /* don't allow empty legacy rates if HT, VHT or HE
a7c7fbff
PK		 5205 * are not even supported.
5206 */
5207 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
eb89a6a6
MH		 5208 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
5209 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
a7c7fbff
PK		 5210 return -EINVAL;
5211
5212 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
5213 if (mask->control[band].ht_mcs[i])
5214 goto out;
5215
5216 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
5217 if (mask->control[band].vht_mcs[i])
5218 goto out;
5219
eb89a6a6
MH		 5220 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
5221 if (mask->control[band].he_mcs[i])
5222 goto out;
5223
a7c7fbff
PK		 5224 /* legacy and mcs rates may not be both empty */
5225 return -EINVAL;
5226 }
5227 }
5228
5229out:
5230 return 0;
5231}
5232
8564e382
JB		 5233static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
5234 enum nl80211_band band,
5235 struct cfg80211_bitrate_mask *beacon_rate)
a7c7fbff 5236{
c4a30446 5237 u32 count_ht, count_vht, count_he, i;
8564e382 5238 u32 rate = beacon_rate->control[band].legacy;
a7c7fbff
PK		 5239
5240 /* Allow only one rate */
5241 if (hweight32(rate) > 1)
5242 return -EINVAL;
5243
5244 count_ht = 0;
5245 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
8564e382 5246 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
a7c7fbff 5247 return -EINVAL;
8564e382 5248 } else if (beacon_rate->control[band].ht_mcs[i]) {
a7c7fbff
PK		 5249 count_ht++;
5250 if (count_ht > 1)
5251 return -EINVAL;
5252 }
5253 if (count_ht && rate)
5254 return -EINVAL;
5255 }
5256
5257 count_vht = 0;
5258 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8564e382 5259 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
a7c7fbff 5260 return -EINVAL;
8564e382 5261 } else if (beacon_rate->control[band].vht_mcs[i]) {
a7c7fbff
PK		 5262 count_vht++;
5263 if (count_vht > 1)
5264 return -EINVAL;
5265 }
5266 if (count_vht && rate)
5267 return -EINVAL;
5268 }
5269
c4a30446
RM		 5270 count_he = 0;
5271 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5272 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
5273 return -EINVAL;
5274 } else if (beacon_rate->control[band].he_mcs[i]) {
5275 count_he++;
5276 if (count_he > 1)
5277 return -EINVAL;
5278 }
5279 if (count_he && rate)
5280 return -EINVAL;
5281 }
5282
5283 if ((count_ht && count_vht && count_he) ||
5284 (!rate && !count_ht && !count_vht && !count_he))
a7c7fbff
PK		 5285 return -EINVAL;
5286
8564e382
JB		 5287 if (rate &&
5288 !wiphy_ext_feature_isset(&rdev->wiphy,
5289 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
5290 return -EINVAL;
5291 if (count_ht &&
5292 !wiphy_ext_feature_isset(&rdev->wiphy,
5293 NL80211_EXT_FEATURE_BEACON_RATE_HT))
5294 return -EINVAL;
5295 if (count_vht &&
5296 !wiphy_ext_feature_isset(&rdev->wiphy,
5297 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
5298 return -EINVAL;
c4a30446
RM		 5299 if (count_he &&
5300 !wiphy_ext_feature_isset(&rdev->wiphy,
5301 NL80211_EXT_FEATURE_BEACON_RATE_HE))
5302 return -EINVAL;
8564e382 5303
a7c7fbff
PK		 5304 return 0;
5305}
5306
dc1e3cb8
JC		 5307static int nl80211_parse_mbssid_config(struct wiphy *wiphy,
5308 struct net_device *dev,
5309 struct nlattr *attrs,
5310 struct cfg80211_mbssid_config *config,
5311 u8 num_elems)
5312{
5313 struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
5314
5315 if (!wiphy->mbssid_max_interfaces)
5316 return -EOPNOTSUPP;
5317
5318 if (nla_parse_nested(tb, NL80211_MBSSID_CONFIG_ATTR_MAX, attrs, NULL,
5319 NULL) ||
5320 !tb[NL80211_MBSSID_CONFIG_ATTR_INDEX])
5321 return -EINVAL;
5322
5323 config->ema = nla_get_flag(tb[NL80211_MBSSID_CONFIG_ATTR_EMA]);
5324 if (config->ema) {
5325 if (!wiphy->ema_max_profile_periodicity)
5326 return -EOPNOTSUPP;
5327
5328 if (num_elems > wiphy->ema_max_profile_periodicity)
5329 return -EINVAL;
5330 }
5331
5332 config->index = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_INDEX]);
5333 if (config->index >= wiphy->mbssid_max_interfaces ||
5334 (!config->index && !num_elems))
5335 return -EINVAL;
5336
5337 if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) {
5338 u32 tx_ifindex =
5339 nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]);
5340
5341 if ((!config->index && tx_ifindex != dev->ifindex) ||
5342 (config->index && tx_ifindex == dev->ifindex))
5343 return -EINVAL;
5344
5345 if (tx_ifindex != dev->ifindex) {
5346 struct net_device *tx_netdev =
5347 dev_get_by_index(wiphy_net(wiphy), tx_ifindex);
5348
5349 if (!tx_netdev || !tx_netdev->ieee80211_ptr ||
5350 tx_netdev->ieee80211_ptr->wiphy != wiphy ||
5351 tx_netdev->ieee80211_ptr->iftype !=
5352 NL80211_IFTYPE_AP) {
5353 dev_put(tx_netdev);
5354 return -EINVAL;
5355 }
5356
5357 config->tx_wdev = tx_netdev->ieee80211_ptr;
5358 } else {
5359 config->tx_wdev = dev->ieee80211_ptr;
5360 }
5361 } else if (!config->index) {
5362 config->tx_wdev = dev->ieee80211_ptr;
5363 } else {
5364 return -EINVAL;
5365 }
5366
5367 return 0;
5368}
5369
5370static struct cfg80211_mbssid_elems *
5371nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs)
5372{
5373 struct nlattr *nl_elems;
5374 struct cfg80211_mbssid_elems *elems;
5375 int rem_elems;
5376 u8 i = 0, num_elems = 0;
5377
5378 if (!wiphy->mbssid_max_interfaces)
5379 return ERR_PTR(-EINVAL);
5380
5381 nla_for_each_nested(nl_elems, attrs, rem_elems)
5382 num_elems++;
5383
5384 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5385 if (!elems)
5386 return ERR_PTR(-ENOMEM);
5387
5388 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5389 elems->elem[i].data = nla_data(nl_elems);
5390 elems->elem[i].len = nla_len(nl_elems);
5391 i++;
5392 }
5393 elems->cnt = num_elems;
5394 return elems;
5395}
5396
3d48cb74
RS		 5397static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5398 struct cfg80211_he_bss_color *he_bss_color)
5399{
5400 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5401 int err;
5402
5403 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5404 he_bss_color_policy, NULL);
5405 if (err)
5406 return err;
5407
5408 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5409 return -EINVAL;
5410
5411 he_bss_color->color =
5412 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5413 he_bss_color->enabled =
5414 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5415 he_bss_color->partial =
5416 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5417
5418 return 0;
5419}
5420
81e54d08
PKC		 5421static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5422 struct nlattr *attrs[],
8860020e 5423 struct cfg80211_beacon_data *bcn)
ed1b6cc7 5424{
8860020e 5425 bool haveinfo = false;
81e54d08 5426 int err;
ed1b6cc7 5427
8860020e 5428 memset(bcn, 0, sizeof(*bcn));
ed1b6cc7 5429
7b0a0e3c
JB		 5430 bcn->link_id = nl80211_link_id(attrs);
5431
a1193be8
SW		 5432 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5433 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5434 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
8860020e
JB		 5435 if (!bcn->head_len)
5436 return -EINVAL;
5437 haveinfo = true;
ed1b6cc7
JB		 5438 }
5439
a1193be8
SW		 5440 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5441 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5442 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
8860020e 5443 haveinfo = true;
ed1b6cc7
JB		 5444 }
5445
4c476991
JB		 5446 if (!haveinfo)
5447 return -EINVAL;
3b85875a 5448
a1193be8
SW		 5449 if (attrs[NL80211_ATTR_IE]) {
5450 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5451 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
9946ecfb
JM		 5452 }
5453
a1193be8 5454 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
8860020e 5455 bcn->proberesp_ies =
a1193be8 5456 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
8860020e 5457 bcn->proberesp_ies_len =
a1193be8 5458 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
9946ecfb
JM		 5459 }
5460
a1193be8 5461 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
8860020e 5462 bcn->assocresp_ies =
a1193be8 5463 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
8860020e 5464 bcn->assocresp_ies_len =
a1193be8 5465 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
9946ecfb
JM		 5466 }
5467
a1193be8
SW		 5468 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5469 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5470 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
00f740e1
AN		 5471 }
5472
81e54d08
PKC		 5473 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5474 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5475
8cb08174
JB		 5476 err = nla_parse_nested_deprecated(tb,
5477 NL80211_FTM_RESP_ATTR_MAX,
5478 attrs[NL80211_ATTR_FTM_RESPONDER],
5479 NULL, NULL);
81e54d08
PKC		 5480 if (err)
5481 return err;
5482
5483 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5484 wiphy_ext_feature_isset(&rdev->wiphy,
5485 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5486 bcn->ftm_responder = 1;
5487 else
5488 return -EOPNOTSUPP;
5489
5490 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5491 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5492 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5493 }
5494
5495 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5496 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5497 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5498 }
5499 } else {
5500 bcn->ftm_responder = -1;
5501 }
5502
3d48cb74
RS		 5503 if (attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5504 err = nl80211_parse_he_bss_color(attrs[NL80211_ATTR_HE_BSS_COLOR],
5505 &bcn->he_bss_color);
5506 if (err)
5507 return err;
5508 bcn->he_bss_color_valid = true;
5509 }
5510
dc1e3cb8
JC		 5511 if (attrs[NL80211_ATTR_MBSSID_ELEMS]) {
5512 struct cfg80211_mbssid_elems *mbssid =
5513 nl80211_parse_mbssid_elems(&rdev->wiphy,
5514 attrs[NL80211_ATTR_MBSSID_ELEMS]);
5515
5516 if (IS_ERR(mbssid))
5517 return PTR_ERR(mbssid);
5518
5519 bcn->mbssid_ies = mbssid;
5520 }
5521
8860020e
JB		 5522 return 0;
5523}
5524
796e90f4
JC		 5525static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5526 struct ieee80211_he_obss_pd *he_obss_pd)
5527{
5528 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5529 int err;
5530
5531 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5532 he_obss_pd_policy, NULL);
5533 if (err)
5534 return err;
5535
f5bec330
RM		 5536 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5537 return -EINVAL;
5538
5539 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5540
6c8b6e4a
RM		 5541 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5542 he_obss_pd->min_offset =
5543 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5544 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5545 he_obss_pd->max_offset =
5546 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
f5bec330
RM		 5547 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5548 he_obss_pd->non_srg_max_offset =
5549 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
6c8b6e4a
RM		 5550
5551 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
796e90f4
JC		 5552 return -EINVAL;
5553
f5bec330
RM		 5554 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5555 memcpy(he_obss_pd->bss_color_bitmap,
5556 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5557 sizeof(he_obss_pd->bss_color_bitmap));
5558
5559 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5560 memcpy(he_obss_pd->partial_bssid_bitmap,
5561 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5562 sizeof(he_obss_pd->partial_bssid_bitmap));
5563
796e90f4
JC		 5564 he_obss_pd->enable = true;
5565
5566 return 0;
5567}
5568
291c49de
AD		 5569static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5570 struct nlattr *attrs,
5571 struct cfg80211_ap_settings *params)
5572{
5573 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5574 int ret;
5575 struct cfg80211_fils_discovery *fd = &params->fils_discovery;
5576
5577 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5578 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5579 return -EINVAL;
5580
5581 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5582 NULL, NULL);
5583 if (ret)
5584 return ret;
5585
5586 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5587 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5588 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5589 return -EINVAL;
5590
5591 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5592 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5593 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5594 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5595
5596 return 0;
5597}
5598
7443dcd1
AD		 5599static int
5600nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5601 struct nlattr *attrs,
5602 struct cfg80211_ap_settings *params)
5603{
5604 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5605 int ret;
5606 struct cfg80211_unsol_bcast_probe_resp *presp =
5607 &params->unsol_bcast_probe_resp;
5608
5609 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5610 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5611 return -EINVAL;
5612
5613 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5614 attrs, NULL, NULL);
5615 if (ret)
5616 return ret;
5617
5618 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5619 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5620 return -EINVAL;
5621
5622 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5623 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5624 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5625 return 0;
5626}
5627
66cd794e 5628static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
153e2a11 5629 const struct element *rates)
66cd794e
JB		 5630{
5631 int i;
5632
5633 if (!rates)
5634 return;
5635
153e2a11
JB		 5636 for (i = 0; i < rates->datalen; i++) {
5637 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
66cd794e 5638 params->ht_required = true;
153e2a11 5639 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
66cd794e 5640 params->vht_required = true;
153e2a11 5641 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
2a392596 5642 params->he_required = true;
153e2a11 5643 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
d6587602 5644 params->sae_h2e_required = true;
66cd794e
JB		 5645 }
5646}
5647
5648/*
5649 * Since the nl80211 API didn't include, from the beginning, attributes about
5650 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5651 * benefit of drivers that rebuild IEs in the firmware.
5652 */
8bc65d38 5653static int nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
66cd794e
JB		 5654{
5655 const struct cfg80211_beacon_data *bcn = &params->beacon;
ba83bfb1
IM		 5656 size_t ies_len = bcn->tail_len;
5657 const u8 *ies = bcn->tail;
153e2a11
JB		 5658 const struct element *rates;
5659 const struct element *cap;
66cd794e 5660
153e2a11 5661 rates = cfg80211_find_elem(WLAN_EID_SUPP_RATES, ies, ies_len);
66cd794e
JB		 5662 nl80211_check_ap_rate_selectors(params, rates);
5663
153e2a11 5664 rates = cfg80211_find_elem(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
66cd794e
JB		 5665 nl80211_check_ap_rate_selectors(params, rates);
5666
153e2a11
JB		 5667 cap = cfg80211_find_elem(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5668 if (cap && cap->datalen >= sizeof(*params->ht_cap))
5669 params->ht_cap = (void *)cap->data;
5670 cap = cfg80211_find_elem(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5671 if (cap && cap->datalen >= sizeof(*params->vht_cap))
5672 params->vht_cap = (void *)cap->data;
5673 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5674 if (cap && cap->datalen >= sizeof(*params->he_cap) + 1)
5675 params->he_cap = (void *)(cap->data + 1);
5676 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5677 if (cap && cap->datalen >= sizeof(*params->he_oper) + 1)
5678 params->he_oper = (void *)(cap->data + 1);
8bc65d38
AD		 5679 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_CAPABILITY, ies, ies_len);
5680 if (cap) {
5681 if (!cap->datalen)
5682 return -EINVAL;
5683 params->eht_cap = (void *)(cap->data + 1);
5684 if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_cap,
5685 (const u8 *)params->eht_cap,
ea5cba26 5686 cap->datalen - 1, true))
8bc65d38
AD		 5687 return -EINVAL;
5688 }
5689 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_OPERATION, ies, ies_len);
5690 if (cap) {
5691 if (!cap->datalen)
5692 return -EINVAL;
5693 params->eht_oper = (void *)(cap->data + 1);
5694 if (!ieee80211_eht_oper_size_ok((const u8 *)params->eht_oper,
5695 cap->datalen - 1))
5696 return -EINVAL;
5697 }
5698 return 0;
66cd794e
JB		 5699}
5700
46c1dd0c
FF		 5701static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5702 struct cfg80211_ap_settings *params)
5703{
5704 struct wireless_dev *wdev;
46c1dd0c 5705
53873f13 5706 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
46c1dd0c
FF		 5707 if (wdev->iftype != NL80211_IFTYPE_AP &&
5708 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5709 continue;
5710
7b0a0e3c 5711 if (!wdev->u.ap.preset_chandef.chan)
46c1dd0c
FF		 5712 continue;
5713
7b0a0e3c
JB		 5714 params->chandef = wdev->u.ap.preset_chandef;
5715 return true;
46c1dd0c
FF		 5716 }
5717
7b0a0e3c 5718 return false;
46c1dd0c
FF		 5719}
5720
e39e5b5e
JM		 5721static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5722 enum nl80211_auth_type auth_type,
5723 enum nl80211_commands cmd)
5724{
5725 if (auth_type > NL80211_AUTHTYPE_MAX)
5726 return false;
5727
5728 switch (cmd) {
5729 case NL80211_CMD_AUTHENTICATE:
5730 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5731 auth_type == NL80211_AUTHTYPE_SAE)
5732 return false;
63181060
JM		 5733 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5734 NL80211_EXT_FEATURE_FILS_STA) &&
5735 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5736 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5737 auth_type == NL80211_AUTHTYPE_FILS_PK))
5738 return false;
e39e5b5e
JM		 5739 return true;
5740 case NL80211_CMD_CONNECT:
10773a7c 5741 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
26f7044e
CHH		 5742 !wiphy_ext_feature_isset(&rdev->wiphy,
5743 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10773a7c 5744 auth_type == NL80211_AUTHTYPE_SAE)
a3caf744 5745 return false;
10773a7c 5746
a3caf744
VK		 5747 /* FILS with SK PFS or PK not supported yet */
5748 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5749 auth_type == NL80211_AUTHTYPE_FILS_PK)
5750 return false;
5751 if (!wiphy_ext_feature_isset(
5752 &rdev->wiphy,
5753 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5754 auth_type == NL80211_AUTHTYPE_FILS_SK)
5755 return false;
5756 return true;
e39e5b5e 5757 case NL80211_CMD_START_AP:
2831a631
CHH		 5758 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5759 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5760 auth_type == NL80211_AUTHTYPE_SAE)
e39e5b5e 5761 return false;
63181060
JM		 5762 /* FILS not supported yet */
5763 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5764 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5765 auth_type == NL80211_AUTHTYPE_FILS_PK)
5766 return false;
e39e5b5e
JM		 5767 return true;
5768 default:
5769 return false;
5770 }
5771}
5772
8860020e
JB		 5773static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5774{
5775 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 5776 unsigned int link_id = nl80211_link_id(info->attrs);
8860020e
JB		 5777 struct net_device *dev = info->user_ptr[1];
5778 struct wireless_dev *wdev = dev->ieee80211_ptr;
9e263e19 5779 struct cfg80211_ap_settings *params;
8860020e
JB		 5780 int err;
5781
5782 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5783 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5784 return -EOPNOTSUPP;
5785
5786 if (!rdev->ops->start_ap)
5787 return -EOPNOTSUPP;
5788
7b0a0e3c 5789 if (wdev->links[link_id].ap.beacon_interval)
8860020e
JB		 5790 return -EALREADY;
5791
8860020e
JB		 5792 /* these are required for START_AP */
5793 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5794 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5795 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5796 return -EINVAL;
5797
9e263e19
JB		 5798 params = kzalloc(sizeof(*params), GFP_KERNEL);
5799 if (!params)
5800 return -ENOMEM;
5801
5802 err = nl80211_parse_beacon(rdev, info->attrs, &params->beacon);
8860020e 5803 if (err)
9e263e19 5804 goto out;
8860020e 5805
9e263e19 5806 params->beacon_interval =
8860020e 5807 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9e263e19 5808 params->dtim_period =
8860020e
JB		 5809 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5810
0c317a02 5811 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
9e263e19 5812 params->beacon_interval);
8860020e 5813 if (err)
9e263e19 5814 goto out;
8860020e
JB		 5815
5816 /*
5817 * In theory, some of these attributes should be required here
5818 * but since they were not used when the command was originally
5819 * added, keep them optional for old user space programs to let
5820 * them continue to work with drivers that do not need the
5821 * additional information -- drivers must check!
5822 */
5823 if (info->attrs[NL80211_ATTR_SSID]) {
9e263e19
JB		 5824 params->ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5825 params->ssid_len =
8860020e 5826 nla_len(info->attrs[NL80211_ATTR_SSID]);
9e263e19
JB		 5827 if (params->ssid_len == 0) {
5828 err = -EINVAL;
5829 goto out;
5830 }
7b0a0e3c
JB		 5831
5832 if (wdev->u.ap.ssid_len &&
5833 (wdev->u.ap.ssid_len != params->ssid_len ||
5834 memcmp(wdev->u.ap.ssid, params->ssid, params->ssid_len))) {
5835 /* require identical SSID for MLO */
5836 err = -EINVAL;
5837 goto out;
5838 }
5839 } else if (wdev->valid_links) {
5840 /* require SSID for MLO */
5841 err = -EINVAL;
5842 goto out;
8860020e
JB		 5843 }
5844
ab0d76f6 5845 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
9e263e19 5846 params->hidden_ssid = nla_get_u32(
8860020e 5847 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
8860020e 5848
9e263e19 5849 params->privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
8860020e
JB		 5850
5851 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9e263e19 5852 params->auth_type = nla_get_u32(
8860020e 5853 info->attrs[NL80211_ATTR_AUTH_TYPE]);
9e263e19
JB		 5854 if (!nl80211_valid_auth_type(rdev, params->auth_type,
5855 NL80211_CMD_START_AP)) {
5856 err = -EINVAL;
5857 goto out;
5858 }
8860020e 5859 } else
9e263e19 5860 params->auth_type = NL80211_AUTHTYPE_AUTOMATIC;
8860020e 5861
9e263e19 5862 err = nl80211_crypto_settings(rdev, info, &params->crypto,
8860020e
JB		 5863 NL80211_MAX_NR_CIPHER_SUITES);
5864 if (err)
9e263e19 5865 goto out;
8860020e 5866
1b658f11 5867 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
9e263e19
JB		 5868 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) {
5869 err = -EOPNOTSUPP;
5870 goto out;
5871 }
5872 params->inactivity_timeout = nla_get_u16(
1b658f11
VT		 5873 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5874 }
5875
53cabad7 5876 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
9e263e19
JB		 5877 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5878 err = -EINVAL;
5879 goto out;
5880 }
5881 params->p2p_ctwindow =
53cabad7 5882 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
9e263e19
JB		 5883 if (params->p2p_ctwindow != 0 &&
5884 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
5885 err = -EINVAL;
5886 goto out;
5887 }
53cabad7
JB		 5888 }
5889
5890 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5891 u8 tmp;
5892
9e263e19
JB		 5893 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5894 err = -EINVAL;
5895 goto out;
5896 }
53cabad7 5897 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
9e263e19
JB		 5898 params->p2p_opp_ps = tmp;
5899 if (params->p2p_opp_ps != 0 &&
5900 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
5901 err = -EINVAL;
5902 goto out;
5903 }
53cabad7
JB		 5904 }
5905
aa430da4 5906 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9e263e19 5907 err = nl80211_parse_chandef(rdev, info, &params->chandef);
683b6d3b 5908 if (err)
9e263e19 5909 goto out;
7b0a0e3c
JB		 5910 } else if (wdev->valid_links) {
5911 /* with MLD need to specify the channel configuration */
5912 err = -EINVAL;
5913 goto out;
5914 } else if (wdev->u.ap.preset_chandef.chan) {
5915 params->chandef = wdev->u.ap.preset_chandef;
9e263e19
JB		 5916 } else if (!nl80211_get_ap_channel(rdev, params)) {
5917 err = -EINVAL;
5918 goto out;
5919 }
aa430da4 5920
9e263e19
JB		 5921 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params->chandef,
5922 wdev->iftype)) {
5923 err = -EINVAL;
5924 goto out;
5925 }
aa430da4 5926
c2653990
JB		 5927 wdev_lock(wdev);
5928
a7c7fbff 5929 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488
TC		 5930 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5931 NL80211_ATTR_TX_RATES,
9e263e19 5932 &params->beacon_rate,
7b0a0e3c 5933 dev, false, link_id);
a7c7fbff 5934 if (err)
c2653990 5935 goto out_unlock;
a7c7fbff 5936
9e263e19
JB		 5937 err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
5938 &params->beacon_rate);
a7c7fbff 5939 if (err)
c2653990 5940 goto out_unlock;
a7c7fbff
PK		 5941 }
5942
18998c38 5943 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
9e263e19 5944 params->smps_mode =
18998c38 5945 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
9e263e19 5946 switch (params->smps_mode) {
18998c38
EP		 5947 case NL80211_SMPS_OFF:
5948 break;
5949 case NL80211_SMPS_STATIC:
5950 if (!(rdev->wiphy.features &
9e263e19
JB		 5951 NL80211_FEATURE_STATIC_SMPS)) {
5952 err = -EINVAL;
c2653990 5953 goto out_unlock;
9e263e19 5954 }
18998c38
EP		 5955 break;
5956 case NL80211_SMPS_DYNAMIC:
5957 if (!(rdev->wiphy.features &
9e263e19
JB		 5958 NL80211_FEATURE_DYNAMIC_SMPS)) {
5959 err = -EINVAL;
c2653990 5960 goto out_unlock;
9e263e19 5961 }
18998c38
EP		 5962 break;
5963 default:
9e263e19 5964 err = -EINVAL;
c2653990 5965 goto out_unlock;
18998c38
EP		 5966 }
5967 } else {
9e263e19 5968 params->smps_mode = NL80211_SMPS_OFF;
18998c38
EP		 5969 }
5970
9e263e19
JB		 5971 params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5972 if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
5973 err = -EOPNOTSUPP;
c2653990 5974 goto out_unlock;
9e263e19 5975 }
6e8ef842 5976
4baf6bea 5977 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
9e263e19
JB		 5978 params->acl = parse_acl_data(&rdev->wiphy, info);
5979 if (IS_ERR(params->acl)) {
5980 err = PTR_ERR(params->acl);
05075fe7 5981 params->acl = NULL;
c2653990 5982 goto out_unlock;
9e263e19 5983 }
4baf6bea
OO		 5984 }
5985
9e263e19 5986 params->twt_responder =
a0de1ca3
JC		 5987 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5988
796e90f4
JC		 5989 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5990 err = nl80211_parse_he_obss_pd(
5991 info->attrs[NL80211_ATTR_HE_OBSS_PD],
9e263e19 5992 &params->he_obss_pd);
bc7a39b4 5993 if (err)
c2653990 5994 goto out_unlock;
796e90f4
JC		 5995 }
5996
291c49de
AD		 5997 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5998 err = nl80211_parse_fils_discovery(rdev,
5999 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
9e263e19 6000 params);
291c49de 6001 if (err)
c2653990 6002 goto out_unlock;
291c49de
AD		 6003 }
6004
7443dcd1
AD		 6005 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
6006 err = nl80211_parse_unsol_bcast_probe_resp(
6007 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
9e263e19 6008 params);
7443dcd1 6009 if (err)
c2653990 6010 goto out_unlock;
7443dcd1
AD		 6011 }
6012
dc1e3cb8
JC		 6013 if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
6014 err = nl80211_parse_mbssid_config(&rdev->wiphy, dev,
6015 info->attrs[NL80211_ATTR_MBSSID_CONFIG],
6016 &params->mbssid_config,
6017 params->beacon.mbssid_ies ?
6018 params->beacon.mbssid_ies->cnt :
6019 0);
6020 if (err)
c2653990 6021 goto out_unlock;
dc1e3cb8
JC		 6022 }
6023
8bc65d38
AD		 6024 err = nl80211_calculate_ap_params(params);
6025 if (err)
6026 goto out_unlock;
66cd794e 6027
47301a74
VJ		 6028 if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
6029 params->flags = nla_get_u32(
6030 info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
6031 else if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
6032 params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
fe494370 6033
7b0a0e3c
JB		 6034 if (wdev->conn_owner_nlportid &&
6035 info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
6036 wdev->conn_owner_nlportid != info->snd_portid) {
6037 err = -EINVAL;
6038 goto out_unlock;
6039 }
6040
6041 /* FIXME: validate MLO/link-id against driver capabilities */
6042
9e263e19 6043 err = rdev_start_ap(rdev, dev, params);
46c1dd0c 6044 if (!err) {
7b0a0e3c
JB		 6045 wdev->links[link_id].ap.beacon_interval = params->beacon_interval;
6046 wdev->links[link_id].ap.chandef = params->chandef;
6047 wdev->u.ap.ssid_len = params->ssid_len;
6048 memcpy(wdev->u.ap.ssid, params->ssid,
6049 params->ssid_len);
466a3061
DK		 6050
6051 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
6052 wdev->conn_owner_nlportid = info->snd_portid;
46c1dd0c 6053 }
7b0a0e3c 6054out_unlock:
c56589ed 6055 wdev_unlock(wdev);
9951ebfc 6056out:
9e263e19 6057 kfree(params->acl);
dc1e3cb8
JC		 6058 kfree(params->beacon.mbssid_ies);
6059 if (params->mbssid_config.tx_wdev &&
6060 params->mbssid_config.tx_wdev->netdev &&
6061 params->mbssid_config.tx_wdev->netdev != dev)
6062 dev_put(params->mbssid_config.tx_wdev->netdev);
9e263e19 6063 kfree(params);
77765eaf 6064
56d1893d 6065 return err;
ed1b6cc7
JB		 6066}
6067
8860020e
JB		 6068static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
6069{
6070 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 6071 unsigned int link_id = nl80211_link_id(info->attrs);
8860020e
JB		 6072 struct net_device *dev = info->user_ptr[1];
6073 struct wireless_dev *wdev = dev->ieee80211_ptr;
6074 struct cfg80211_beacon_data params;
6075 int err;
6076
6077 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6078 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6079 return -EOPNOTSUPP;
6080
6081 if (!rdev->ops->change_beacon)
6082 return -EOPNOTSUPP;
6083
7b0a0e3c 6084 if (!wdev->links[link_id].ap.beacon_interval)
8860020e
JB		 6085 return -EINVAL;
6086
81e54d08 6087 err = nl80211_parse_beacon(rdev, info->attrs, &params);
8860020e 6088 if (err)
dc1e3cb8 6089 goto out;
8860020e 6090
c56589ed
SW		 6091 wdev_lock(wdev);
6092 err = rdev_change_beacon(rdev, dev, &params);
6093 wdev_unlock(wdev);
6094
dc1e3cb8
JC		 6095out:
6096 kfree(params.mbssid_ies);
c56589ed 6097 return err;
8860020e
JB		 6098}
6099
6100static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
ed1b6cc7 6101{
4c476991 6102 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 6103 unsigned int link_id = nl80211_link_id(info->attrs);
4c476991 6104 struct net_device *dev = info->user_ptr[1];
ed1b6cc7 6105
7b0a0e3c 6106 return cfg80211_stop_ap(rdev, dev, link_id, false);
ed1b6cc7
JB		 6107}
6108
5727ef1b
JB		 6109static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
6110 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
6111 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
6112 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
0e46724a 6113 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
b39c48fa 6114 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
d83023da 6115 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5727ef1b
JB		 6116};
6117
eccb8e8f 6118static int parse_station_flags(struct genl_info *info,
bdd3ae3d 6119 enum nl80211_iftype iftype,
eccb8e8f 6120 struct station_parameters *params)
5727ef1b
JB		 6121{
6122 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
eccb8e8f 6123 struct nlattr *nla;
5727ef1b
JB		 6124 int flag;
6125
eccb8e8f
JB		 6126 /*
6127 * Try parsing the new attribute first so userspace
6128 * can specify both for older kernels.
6129 */
6130 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
6131 if (nla) {
6132 struct nl80211_sta_flag_update *sta_flags;
6133
6134 sta_flags = nla_data(nla);
6135 params->sta_flags_mask = sta_flags->mask;
6136 params->sta_flags_set = sta_flags->set;
77ee7c89 6137 params->sta_flags_set &= params->sta_flags_mask;
eccb8e8f
JB		 6138 if ((params->sta_flags_mask |
6139 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
6140 return -EINVAL;
6141 return 0;
6142 }
6143
6144 /* if present, parse the old attribute */
5727ef1b 6145
eccb8e8f 6146 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5727ef1b
JB		 6147 if (!nla)
6148 return 0;
6149
8cb08174 6150 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5727ef1b
JB		 6151 return -EINVAL;
6152
bdd3ae3d
JB		 6153 /*
6154 * Only allow certain flags for interface types so that
6155 * other attributes are silently ignored. Remember that
6156 * this is backward compatibility code with old userspace
6157 * and shouldn't be hit in other cases anyway.
6158 */
6159 switch (iftype) {
6160 case NL80211_IFTYPE_AP:
6161 case NL80211_IFTYPE_AP_VLAN:
6162 case NL80211_IFTYPE_P2P_GO:
6163 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6164 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6165 BIT(NL80211_STA_FLAG_WME) |
6166 BIT(NL80211_STA_FLAG_MFP);
6167 break;
6168 case NL80211_IFTYPE_P2P_CLIENT:
6169 case NL80211_IFTYPE_STATION:
6170 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6171 BIT(NL80211_STA_FLAG_TDLS_PEER);
6172 break;
6173 case NL80211_IFTYPE_MESH_POINT:
6174 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6175 BIT(NL80211_STA_FLAG_MFP) |
6176 BIT(NL80211_STA_FLAG_AUTHORIZED);
5cf3006c 6177 break;
bdd3ae3d
JB		 6178 default:
6179 return -EINVAL;
6180 }
5727ef1b 6181
3383b5a6
JB		 6182 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
6183 if (flags[flag]) {
eccb8e8f 6184 params->sta_flags_set |= (1<<flag);
5727ef1b 6185
3383b5a6
JB		 6186 /* no longer support new API additions in old API */
6187 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
6188 return -EINVAL;
6189 }
6190 }
6191
5727ef1b
JB		 6192 return 0;
6193}
6194
9bb7e0f2 6195bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
c8dcfd8a
FF		 6196{
6197 struct nlattr *rate;
8eb41c8d
VK		 6198 u32 bitrate;
6199 u16 bitrate_compat;
bbf67e45 6200 enum nl80211_rate_info rate_flg;
c8dcfd8a 6201
ae0be8de 6202 rate = nla_nest_start_noflag(msg, attr);
c8dcfd8a 6203 if (!rate)
db9c64cf 6204 return false;
c8dcfd8a
FF		 6205
6206 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
6207 bitrate = cfg80211_calculate_bitrate(info);
8eb41c8d
VK		 6208 /* report 16-bit bitrate only if we can */
6209 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
db9c64cf
JB		 6210 if (bitrate > 0 &&
6211 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
6212 return false;
6213 if (bitrate_compat > 0 &&
6214 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
6215 return false;
6216
b51f3bee
JB		 6217 switch (info->bw) {
6218 case RATE_INFO_BW_5:
6219 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
6220 break;
6221 case RATE_INFO_BW_10:
6222 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
6223 break;
6224 default:
6225 WARN_ON(1);
7b506ff6 6226 fallthrough;
b51f3bee
JB		 6227 case RATE_INFO_BW_20:
6228 rate_flg = 0;
6229 break;
6230 case RATE_INFO_BW_40:
6231 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
6232 break;
6233 case RATE_INFO_BW_80:
6234 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
6235 break;
6236 case RATE_INFO_BW_160:
6237 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
6238 break;
c4cbaf79
LC		 6239 case RATE_INFO_BW_HE_RU:
6240 rate_flg = 0;
6241 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
cfb14110
VJ		 6242 break;
6243 case RATE_INFO_BW_320:
6244 rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
6245 break;
6246 case RATE_INFO_BW_EHT_RU:
6247 rate_flg = 0;
6248 WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
6249 break;
b51f3bee
JB		 6250 }
6251
6252 if (rate_flg && nla_put_flag(msg, rate_flg))
6253 return false;
6254
db9c64cf
JB		 6255 if (info->flags & RATE_INFO_FLAGS_MCS) {
6256 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
6257 return false;
db9c64cf
JB		 6258 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6259 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6260 return false;
6261 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
6262 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
6263 return false;
6264 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
6265 return false;
db9c64cf
JB		 6266 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6267 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6268 return false;
c4cbaf79
LC		 6269 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
6270 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
6271 return false;
6272 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
6273 return false;
6274 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
6275 return false;
6276 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
6277 return false;
6278 if (info->bw == RATE_INFO_BW_HE_RU &&
6279 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
6280 info->he_ru_alloc))
6281 return false;
cfb14110
VJ		 6282 } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
6283 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
6284 return false;
6285 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
6286 return false;
6287 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
6288 return false;
6289 if (info->bw == RATE_INFO_BW_EHT_RU &&
6290 nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
6291 info->eht_ru_alloc))
6292 return false;
db9c64cf 6293 }
c8dcfd8a
FF		 6294
6295 nla_nest_end(msg, rate);
6296 return true;
c8dcfd8a
FF		 6297}
6298
119363c7
FF		 6299static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
6300 int id)
6301{
6302 void *attr;
6303 int i = 0;
6304
6305 if (!mask)
6306 return true;
6307
ae0be8de 6308 attr = nla_nest_start_noflag(msg, id);
119363c7
FF		 6309 if (!attr)
6310 return false;
6311
6312 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
6313 if (!(mask & BIT(i)))
6314 continue;
6315
6316 if (nla_put_u8(msg, i, signal[i]))
6317 return false;
6318 }
6319
6320 nla_nest_end(msg, attr);
6321
6322 return true;
6323}
6324
cf5ead82
JB		 6325static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
6326 u32 seq, int flags,
66266b3a
JL		 6327 struct cfg80211_registered_device *rdev,
6328 struct net_device *dev,
98b62183 6329 const u8 *mac_addr, struct station_info *sinfo)
fd5b74dc
JB		 6330{
6331 void *hdr;
f4263c98 6332 struct nlattr *sinfoattr, *bss_param;
fd5b74dc 6333
cf5ead82 6334 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
f77bf486
AS		 6335 if (!hdr) {
6336 cfg80211_sinfo_release_content(sinfo);
fd5b74dc 6337 return -1;
f77bf486 6338 }
fd5b74dc 6339
9360ffd1
DM		 6340 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6341 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
6342 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
6343 goto nla_put_failure;
f5ea9120 6344
ae0be8de 6345 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
2ec600d6 6346 if (!sinfoattr)
fd5b74dc 6347 goto nla_put_failure;
319090bf
JB		 6348
6349#define PUT_SINFO(attr, memb, type) do { \
d686b920 6350 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
397c657a 6351 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
319090bf
JB		 6352 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
6353 sinfo->memb)) \
6354 goto nla_put_failure; \
6355 } while (0)
d686b920 6356#define PUT_SINFO_U64(attr, memb) do { \
397c657a 6357 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
d686b920
JB		 6358 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
6359 sinfo->memb, NL80211_STA_INFO_PAD)) \
6360 goto nla_put_failure; \
6361 } while (0)
319090bf
JB		 6362
6363 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
6364 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6c7a0033 6365 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
319090bf 6366
397c657a
OE		 6367 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
6368 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
9360ffd1 6369 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
42745e03 6370 (u32)sinfo->rx_bytes))
9360ffd1 6371 goto nla_put_failure;
319090bf 6372
397c657a
OE		 6373 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
6374 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
9360ffd1 6375 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
42745e03
VK		 6376 (u32)sinfo->tx_bytes))
6377 goto nla_put_failure;
319090bf 6378
d686b920
JB		 6379 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
6380 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
319090bf
JB		 6381 PUT_SINFO(LLID, llid, u16);
6382 PUT_SINFO(PLID, plid, u16);
6383 PUT_SINFO(PLINK_STATE, plink_state, u8);
d686b920 6384 PUT_SINFO_U64(RX_DURATION, rx_duration);
36647055
THJ		 6385 PUT_SINFO_U64(TX_DURATION, tx_duration);
6386
6387 if (wiphy_ext_feature_isset(&rdev->wiphy,
6388 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6389 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
319090bf 6390
66266b3a
JL		 6391 switch (rdev->wiphy.signal_type) {
6392 case CFG80211_SIGNAL_TYPE_MBM:
319090bf
JB		 6393 PUT_SINFO(SIGNAL, signal, u8);
6394 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
66266b3a
JL		 6395 break;
6396 default:
6397 break;
6398 }
397c657a 6399 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
119363c7
FF		 6400 if (!nl80211_put_signal(msg, sinfo->chains,
6401 sinfo->chain_signal,
6402 NL80211_STA_INFO_CHAIN_SIGNAL))
6403 goto nla_put_failure;
6404 }
397c657a 6405 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
119363c7
FF		 6406 if (!nl80211_put_signal(msg, sinfo->chains,
6407 sinfo->chain_signal_avg,
6408 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
6409 goto nla_put_failure;
6410 }
397c657a 6411 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
c8dcfd8a
FF		 6412 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
6413 NL80211_STA_INFO_TX_BITRATE))
6414 goto nla_put_failure;
6415 }
397c657a 6416 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
c8dcfd8a
FF		 6417 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
6418 NL80211_STA_INFO_RX_BITRATE))
420e7fab 6419 goto nla_put_failure;
420e7fab 6420 }
319090bf
JB		 6421
6422 PUT_SINFO(RX_PACKETS, rx_packets, u32);
6423 PUT_SINFO(TX_PACKETS, tx_packets, u32);
6424 PUT_SINFO(TX_RETRIES, tx_retries, u32);
6425 PUT_SINFO(TX_FAILED, tx_failed, u32);
6426 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
ab60633c 6427 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
319090bf
JB		 6428 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
6429 PUT_SINFO(LOCAL_PM, local_pm, u32);
6430 PUT_SINFO(PEER_PM, peer_pm, u32);
6431 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
dbdaee7a 6432 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
1303a51c 6433 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
319090bf 6434
397c657a 6435 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
ae0be8de
MK		 6436 bss_param = nla_nest_start_noflag(msg,
6437 NL80211_STA_INFO_BSS_PARAM);
f4263c98
PS		 6438 if (!bss_param)
6439 goto nla_put_failure;
6440
9360ffd1
DM		 6441 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
6442 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
6443 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
6444 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
6445 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
6446 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
6447 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
6448 sinfo->bss_param.dtim_period) ||
6449 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
6450 sinfo->bss_param.beacon_interval))
6451 goto nla_put_failure;
f4263c98
PS		 6452
6453 nla_nest_end(msg, bss_param);
6454 }
397c657a 6455 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
9360ffd1
DM		 6456 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
6457 sizeof(struct nl80211_sta_flag_update),
6458 &sinfo->sta_flags))
6459 goto nla_put_failure;
319090bf 6460
d686b920
JB		 6461 PUT_SINFO_U64(T_OFFSET, t_offset);
6462 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
6463 PUT_SINFO_U64(BEACON_RX, rx_beacon);
a76b1942 6464 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
0d4e14a3
AB		 6465 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
6466 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
81d5439d 6467 if (wiphy_ext_feature_isset(&rdev->wiphy,
9c06602b
BP		 6468 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
6469 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
6470 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
6471 }
319090bf
JB		 6472
6473#undef PUT_SINFO
d686b920 6474#undef PUT_SINFO_U64
6de39808 6475
8689c051 6476 if (sinfo->pertid) {
6de39808
JB		 6477 struct nlattr *tidsattr;
6478 int tid;
6479
ae0be8de
MK		 6480 tidsattr = nla_nest_start_noflag(msg,
6481 NL80211_STA_INFO_TID_STATS);
6de39808
JB		 6482 if (!tidsattr)
6483 goto nla_put_failure;
6484
6485 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
6486 struct cfg80211_tid_stats *tidstats;
6487 struct nlattr *tidattr;
6488
6489 tidstats = &sinfo->pertid[tid];
6490
6491 if (!tidstats->filled)
6492 continue;
6493
ae0be8de 6494 tidattr = nla_nest_start_noflag(msg, tid + 1);
6de39808
JB		 6495 if (!tidattr)
6496 goto nla_put_failure;
6497
d686b920 6498#define PUT_TIDVAL_U64(attr, memb) do { \
6de39808 6499 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
d686b920
JB		 6500 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
6501 tidstats->memb, NL80211_TID_STATS_PAD)) \
6de39808
JB		 6502 goto nla_put_failure; \
6503 } while (0)
6504
d686b920
JB		 6505 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
6506 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
6507 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
6508 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6de39808 6509
d686b920 6510#undef PUT_TIDVAL_U64
52539ca8
THJ		 6511 if ((tidstats->filled &
6512 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
6513 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
6514 NL80211_TID_STATS_TXQ_STATS))
6515 goto nla_put_failure;
6516
6de39808
JB		 6517 nla_nest_end(msg, tidattr);
6518 }
6519
6520 nla_nest_end(msg, tidsattr);
6521 }
6522
2ec600d6 6523 nla_nest_end(msg, sinfoattr);
fd5b74dc 6524
319090bf 6525 if (sinfo->assoc_req_ies_len &&
9360ffd1
DM		 6526 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
6527 sinfo->assoc_req_ies))
6528 goto nla_put_failure;
50d3dfb7 6529
7ea3e110 6530 cfg80211_sinfo_release_content(sinfo);
053c095a
JB		 6531 genlmsg_end(msg, hdr);
6532 return 0;
fd5b74dc
JB		 6533
6534 nla_put_failure:
7ea3e110 6535 cfg80211_sinfo_release_content(sinfo);
bc3ed28c
TG		 6536 genlmsg_cancel(msg, hdr);
6537 return -EMSGSIZE;
fd5b74dc
JB		 6538}
6539
2ec600d6 6540static int nl80211_dump_station(struct sk_buff *skb,
bba95fef 6541 struct netlink_callback *cb)
2ec600d6 6542{
73887fd9 6543 struct station_info sinfo;
1b8ec87a 6544 struct cfg80211_registered_device *rdev;
97990a06 6545 struct wireless_dev *wdev;
2ec600d6 6546 u8 mac_addr[ETH_ALEN];
97990a06 6547 int sta_idx = cb->args[2];
2ec600d6 6548 int err;
2ec600d6 6549
ce6b6974 6550 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
67748893 6551 if (err)
a05829a7
JB		 6552 return err;
6553 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6554 __acquire(&rdev->wiphy.mtx);
bba95fef 6555
97990a06
JB		 6556 if (!wdev->netdev) {
6557 err = -EINVAL;
6558 goto out_err;
6559 }
6560
1b8ec87a 6561 if (!rdev->ops->dump_station) {
eec60b03 6562 err = -EOPNOTSUPP;
bba95fef
JB		 6563 goto out_err;
6564 }
6565
bba95fef 6566 while (1) {
73887fd9 6567 memset(&sinfo, 0, sizeof(sinfo));
1b8ec87a 6568 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
73887fd9 6569 mac_addr, &sinfo);
bba95fef
JB		 6570 if (err == -ENOENT)
6571 break;
6572 if (err)
3b85875a 6573 goto out_err;
bba95fef 6574
cf5ead82 6575 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
15e47304 6576 NETLINK_CB(cb->skb).portid,
bba95fef 6577 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1b8ec87a 6578 rdev, wdev->netdev, mac_addr,
73887fd9 6579 &sinfo) < 0)
bba95fef
JB		 6580 goto out;
6581
6582 sta_idx++;
6583 }
6584
bba95fef 6585 out:
97990a06 6586 cb->args[2] = sta_idx;
bba95fef 6587 err = skb->len;
bba95fef 6588 out_err:
a05829a7 6589 wiphy_unlock(&rdev->wiphy);
bba95fef
JB		 6590
6591 return err;
2ec600d6 6592}
fd5b74dc 6593
5727ef1b
JB		 6594static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6595{
4c476991
JB		 6596 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6597 struct net_device *dev = info->user_ptr[1];
73887fd9 6598 struct station_info sinfo;
fd5b74dc
JB		 6599 struct sk_buff *msg;
6600 u8 *mac_addr = NULL;
4c476991 6601 int err;
fd5b74dc 6602
73887fd9 6603 memset(&sinfo, 0, sizeof(sinfo));
fd5b74dc 6604
73887fd9
JB		 6605 if (!info->attrs[NL80211_ATTR_MAC])
6606 return -EINVAL;
fd5b74dc
JB		 6607
6608 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6609
73887fd9
JB		 6610 if (!rdev->ops->get_station)
6611 return -EOPNOTSUPP;
3b85875a 6612
73887fd9 6613 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
fd5b74dc 6614 if (err)
73887fd9 6615 return err;
2ec600d6 6616
fd2120ca 6617 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7ea3e110 6618 if (!msg) {
ba8f566a 6619 cfg80211_sinfo_release_content(&sinfo);
73887fd9 6620 return -ENOMEM;
7ea3e110 6621 }
fd5b74dc 6622
cf5ead82
JB		 6623 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6624 info->snd_portid, info->snd_seq, 0,
73887fd9 6625 rdev, dev, mac_addr, &sinfo) < 0) {
4c476991 6626 nlmsg_free(msg);
73887fd9 6627 return -ENOBUFS;
4c476991 6628 }
3b85875a 6629
73887fd9 6630 return genlmsg_reply(msg, info);
5727ef1b
JB		 6631}
6632
77ee7c89
JB		 6633int cfg80211_check_station_change(struct wiphy *wiphy,
6634 struct station_parameters *params,
6635 enum cfg80211_station_type statype)
6636{
e4208427
AB		 6637 if (params->listen_interval != -1 &&
6638 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89 6639 return -EINVAL;
e4208427 6640
17b94247
AB		 6641 if (params->support_p2p_ps != -1 &&
6642 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6643 return -EINVAL;
6644
c72e1140 6645 if (params->aid &&
e4208427
AB		 6646 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6647 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89
JB		 6648 return -EINVAL;
6649
6650 /* When you run into this, adjust the code below for the new flag */
6651 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6652
6653 switch (statype) {
eef941e6
TP		 6654 case CFG80211_STA_MESH_PEER_KERNEL:
6655 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 6656 /*
6657 * No ignoring the TDLS flag here -- the userspace mesh
6658 * code doesn't have the bug of including TDLS in the
6659 * mask everywhere.
6660 */
6661 if (params->sta_flags_mask &
6662 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6663 BIT(NL80211_STA_FLAG_MFP) |
6664 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6665 return -EINVAL;
6666 break;
6667 case CFG80211_STA_TDLS_PEER_SETUP:
6668 case CFG80211_STA_TDLS_PEER_ACTIVE:
6669 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6670 return -EINVAL;
6671 /* ignore since it can't change */
6672 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6673 break;
6674 default:
6675 /* disallow mesh-specific things */
6676 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6677 return -EINVAL;
6678 if (params->local_pm)
6679 return -EINVAL;
6680 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6681 return -EINVAL;
6682 }
6683
6684 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6685 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6686 /* TDLS can't be set, ... */
6687 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6688 return -EINVAL;
6689 /*
6690 * ... but don't bother the driver with it. This works around
6691 * a hostapd/wpa_supplicant issue -- it always includes the
6692 * TLDS_PEER flag in the mask even for AP mode.
6693 */
6694 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6695 }
6696
47edb11b
AB		 6697 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6698 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 6699 /* reject other things that can't change */
6700 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6701 return -EINVAL;
6702 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6703 return -EINVAL;
b95eb7f0 6704 if (params->link_sta_params.supported_rates)
77ee7c89 6705 return -EINVAL;
b95eb7f0
ST		 6706 if (params->ext_capab || params->link_sta_params.ht_capa ||
6707 params->link_sta_params.vht_capa ||
6708 params->link_sta_params.he_capa ||
6709 params->link_sta_params.eht_capa)
77ee7c89
JB		 6710 return -EINVAL;
6711 }
6712
47edb11b
AB		 6713 if (statype != CFG80211_STA_AP_CLIENT &&
6714 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 6715 if (params->vlan)
6716 return -EINVAL;
6717 }
6718
6719 switch (statype) {
6720 case CFG80211_STA_AP_MLME_CLIENT:
6721 /* Use this only for authorizing/unauthorizing a station */
6722 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6723 return -EOPNOTSUPP;
6724 break;
6725 case CFG80211_STA_AP_CLIENT:
47edb11b 6726 case CFG80211_STA_AP_CLIENT_UNASSOC:
77ee7c89
JB		 6727 /* accept only the listed bits */
6728 if (params->sta_flags_mask &
6729 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6730 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6731 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6732 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6733 BIT(NL80211_STA_FLAG_WME) |
6734 BIT(NL80211_STA_FLAG_MFP)))
6735 return -EINVAL;
6736
6737 /* but authenticated/associated only if driver handles it */
6738 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6739 params->sta_flags_mask &
6740 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6741 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6742 return -EINVAL;
6743 break;
6744 case CFG80211_STA_IBSS:
6745 case CFG80211_STA_AP_STA:
6746 /* reject any changes other than AUTHORIZED */
6747 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6748 return -EINVAL;
6749 break;
6750 case CFG80211_STA_TDLS_PEER_SETUP:
6751 /* reject any changes other than AUTHORIZED or WME */
6752 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6753 BIT(NL80211_STA_FLAG_WME)))
6754 return -EINVAL;
6755 /* force (at least) rates when authorizing */
6756 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
b95eb7f0 6757 !params->link_sta_params.supported_rates)
77ee7c89
JB		 6758 return -EINVAL;
6759 break;
6760 case CFG80211_STA_TDLS_PEER_ACTIVE:
6761 /* reject any changes */
6762 return -EINVAL;
eef941e6 6763 case CFG80211_STA_MESH_PEER_KERNEL:
77ee7c89
JB		 6764 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6765 return -EINVAL;
6766 break;
eef941e6 6767 case CFG80211_STA_MESH_PEER_USER:
42925040
CYY		 6768 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6769 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
77ee7c89
JB		 6770 return -EINVAL;
6771 break;
6772 }
6773
06f7c88c
BL		 6774 /*
6775 * Older kernel versions ignored this attribute entirely, so don't
6776 * reject attempts to update it but mark it as unused instead so the
6777 * driver won't look at the data.
6778 */
6779 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6780 statype != CFG80211_STA_TDLS_PEER_SETUP)
b95eb7f0 6781 params->link_sta_params.opmode_notif_used = false;
06f7c88c 6782
77ee7c89
JB		 6783 return 0;
6784}
6785EXPORT_SYMBOL(cfg80211_check_station_change);
6786
5727ef1b 6787/*
c258d2de 6788 * Get vlan interface making sure it is running and on the right wiphy.
5727ef1b 6789 */
80b99899
JB		 6790static struct net_device *get_vlan(struct genl_info *info,
6791 struct cfg80211_registered_device *rdev)
5727ef1b 6792{
463d0183 6793 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
80b99899
JB		 6794 struct net_device *v;
6795 int ret;
6796
6797 if (!vlanattr)
6798 return NULL;
6799
6800 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6801 if (!v)
6802 return ERR_PTR(-ENODEV);
6803
6804 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6805 ret = -EINVAL;
6806 goto error;
5727ef1b 6807 }
80b99899 6808
77ee7c89
JB		 6809 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6810 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6811 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6812 ret = -EINVAL;
6813 goto error;
6814 }
6815
80b99899
JB		 6816 if (!netif_running(v)) {
6817 ret = -ENETDOWN;
6818 goto error;
6819 }
6820
6821 return v;
6822 error:
6823 dev_put(v);
6824 return ERR_PTR(ret);
5727ef1b
JB		 6825}
6826
ff276691
JB		 6827static int nl80211_parse_sta_wme(struct genl_info *info,
6828 struct station_parameters *params)
df881293 6829{
df881293
JM		 6830 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6831 struct nlattr *nla;
6832 int err;
6833
df881293
JM		 6834 /* parse WME attributes if present */
6835 if (!info->attrs[NL80211_ATTR_STA_WME])
6836 return 0;
6837
6838 nla = info->attrs[NL80211_ATTR_STA_WME];
8cb08174
JB		 6839 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6840 nl80211_sta_wme_policy,
6841 info->extack);
df881293
JM		 6842 if (err)
6843 return err;
6844
6845 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6846 params->uapsd_queues = nla_get_u8(
6847 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6848 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6849 return -EINVAL;
6850
6851 if (tb[NL80211_STA_WME_MAX_SP])
6852 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6853
6854 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6855 return -EINVAL;
6856
6857 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6858
6859 return 0;
6860}
6861
c01fc9ad
SD		 6862static int nl80211_parse_sta_channel_info(struct genl_info *info,
6863 struct station_parameters *params)
6864{
6865 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6866 params->supported_channels =
6867 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6868 params->supported_channels_len =
6869 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6870 /*
6871 * Need to include at least one (first channel, number of
cb9abd48
JB		 6872 * channels) tuple for each subband (checked in policy),
6873 * and must have proper tuples for the rest of the data as well.
c01fc9ad 6874 */
c01fc9ad
SD		 6875 if (params->supported_channels_len % 2)
6876 return -EINVAL;
6877 }
6878
6879 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6880 params->supported_oper_classes =
6881 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6882 params->supported_oper_classes_len =
6883 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
c01fc9ad
SD		 6884 }
6885 return 0;
6886}
6887
ff276691
JB		 6888static int nl80211_set_station_tdls(struct genl_info *info,
6889 struct station_parameters *params)
6890{
c01fc9ad 6891 int err;
ff276691 6892 /* Dummy STA entry gets updated once the peer capabilities are known */
5e4b6f56
JM		 6893 if (info->attrs[NL80211_ATTR_PEER_AID])
6894 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
ff276691 6895 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
b95eb7f0 6896 params->link_sta_params.ht_capa =
ff276691
JB		 6897 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6898 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
b95eb7f0 6899 params->link_sta_params.vht_capa =
ff276691 6900 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
c4cbaf79 6901 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
b95eb7f0 6902 params->link_sta_params.he_capa =
c4cbaf79 6903 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
b95eb7f0 6904 params->link_sta_params.he_capa_len =
c4cbaf79 6905 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
ea05fd35
IP		 6906
6907 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
b95eb7f0 6908 params->link_sta_params.eht_capa =
ea05fd35 6909 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
b95eb7f0 6910 params->link_sta_params.eht_capa_len =
ea05fd35
IP		 6911 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6912
b95eb7f0
ST		 6913 if (!ieee80211_eht_capa_size_ok((const u8 *)params->link_sta_params.he_capa,
6914 (const u8 *)params->link_sta_params.eht_capa,
ea5cba26
JB		 6915 params->link_sta_params.eht_capa_len,
6916 false))
ea05fd35
IP		 6917 return -EINVAL;
6918 }
c4cbaf79 6919 }
ff276691 6920
c01fc9ad
SD		 6921 err = nl80211_parse_sta_channel_info(info, params);
6922 if (err)
6923 return err;
6924
ff276691
JB		 6925 return nl80211_parse_sta_wme(info, params);
6926}
6927
e96d1cd2 6928static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
577e5b8c
ST		 6929 struct sta_txpwr *txpwr,
6930 bool *txpwr_set)
e96d1cd2
ARN		 6931{
6932 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6933 int idx;
6934
6935 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6936 if (!rdev->ops->set_tx_power ||
6937 !wiphy_ext_feature_isset(&rdev->wiphy,
6938 NL80211_EXT_FEATURE_STA_TX_PWR))
6939 return -EOPNOTSUPP;
6940
6941 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
577e5b8c 6942 txpwr->type = nla_get_u8(info->attrs[idx]);
e96d1cd2 6943
577e5b8c 6944 if (txpwr->type == NL80211_TX_POWER_LIMITED) {
e96d1cd2
ARN		 6945 idx = NL80211_ATTR_STA_TX_POWER;
6946
6947 if (info->attrs[idx])
577e5b8c 6948 txpwr->power = nla_get_s16(info->attrs[idx]);
e96d1cd2
ARN		 6949 else
6950 return -EINVAL;
6951 }
577e5b8c
ST		 6952
6953 *txpwr_set = true;
6954 } else {
6955 *txpwr_set = false;
e96d1cd2
ARN		 6956 }
6957
6958 return 0;
6959}
6960
5727ef1b
JB		 6961static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6962{
4c476991 6963 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 6964 struct net_device *dev = info->user_ptr[1];
5727ef1b 6965 struct station_parameters params;
77ee7c89
JB		 6966 u8 *mac_addr;
6967 int err;
5727ef1b
JB		 6968
6969 memset(&params, 0, sizeof(params));
6970
77ee7c89
JB		 6971 if (!rdev->ops->change_station)
6972 return -EOPNOTSUPP;
6973
e4208427
AB		 6974 /*
6975 * AID and listen_interval properties can be set only for unassociated
6976 * station. Include these parameters here and will check them in
6977 * cfg80211_check_station_change().
6978 */
a9bc31e4
AB		 6979 if (info->attrs[NL80211_ATTR_STA_AID])
6980 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
e4208427 6981
14f34e36
GG		 6982 if (info->attrs[NL80211_ATTR_VLAN_ID])
6983 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6984
e4208427
AB		 6985 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6986 params.listen_interval =
6987 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6988 else
6989 params.listen_interval = -1;
5727ef1b 6990
ab0d76f6
JB		 6991 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6992 params.support_p2p_ps =
6993 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6994 else
17b94247 6995 params.support_p2p_ps = -1;
17b94247 6996
5727ef1b
JB		 6997 if (!info->attrs[NL80211_ATTR_MAC])
6998 return -EINVAL;
6999
d2bc5249
AO		 7000 params.link_sta_params.link_id =
7001 nl80211_link_id_or_invalid(info->attrs);
7002
7003 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7004 /* If MLD_ADDR attribute is set then this is an MLD station
7005 * and the MLD_ADDR attribute holds the MLD address and the
7006 * MAC attribute holds for the LINK address.
7007 * In that case, the link_id is also expected to be valid.
7008 */
7009 if (params.link_sta_params.link_id < 0)
7010 return -EINVAL;
7011
7012 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7013 params.link_sta_params.mld_mac = mac_addr;
7014 params.link_sta_params.link_mac =
7015 nla_data(info->attrs[NL80211_ATTR_MAC]);
7016 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7017 return -EINVAL;
7018 } else {
7019 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7020 }
7021
5727ef1b
JB		 7022
7023 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
b95eb7f0 7024 params.link_sta_params.supported_rates =
5727ef1b 7025 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
b95eb7f0 7026 params.link_sta_params.supported_rates_len =
5727ef1b
JB		 7027 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7028 }
7029
9d62a986
JM		 7030 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7031 params.capability =
7032 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7033 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7034 }
7035
7036 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7037 params.ext_capab =
7038 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7039 params.ext_capab_len =
7040 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7041 }
7042
bdd3ae3d 7043 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 7044 return -EINVAL;
7045
ab0d76f6 7046 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2ec600d6 7047 params.plink_action =
f8bacc21 7048 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2ec600d6 7049
f8bacc21 7050 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
9c3990aa 7051 params.plink_state =
f8bacc21 7052 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
ab0d76f6 7053 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7d27a0ba
MH		 7054 params.peer_aid = nla_get_u16(
7055 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
f8bacc21
JB		 7056 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
7057 }
9c3990aa 7058
ab0d76f6
JB		 7059 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
7060 params.local_pm = nla_get_u32(
3b1c5a53
MP		 7061 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
7062
06f7c88c 7063 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
b95eb7f0
ST		 7064 params.link_sta_params.opmode_notif_used = true;
7065 params.link_sta_params.opmode_notif =
06f7c88c
BL		 7066 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7067 }
7068
43e64bf3 7069 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
b95eb7f0 7070 params.link_sta_params.he_6ghz_capa =
fce2ff72 7071 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
43e64bf3 7072
36647055
THJ		 7073 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7074 params.airtime_weight =
7075 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7076
7077 if (params.airtime_weight &&
7078 !wiphy_ext_feature_isset(&rdev->wiphy,
7079 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7080 return -EOPNOTSUPP;
7081
b95eb7f0
ST		 7082 err = nl80211_parse_sta_txpower_setting(info,
7083 &params.link_sta_params.txpwr,
7084 &params.link_sta_params.txpwr_set);
e96d1cd2
ARN		 7085 if (err)
7086 return err;
7087
77ee7c89
JB		 7088 /* Include parameters for TDLS peer (will check later) */
7089 err = nl80211_set_station_tdls(info, &params);
7090 if (err)
7091 return err;
7092
7093 params.vlan = get_vlan(info, rdev);
7094 if (IS_ERR(params.vlan))
7095 return PTR_ERR(params.vlan);
7096
a97f4424
JB		 7097 switch (dev->ieee80211_ptr->iftype) {
7098 case NL80211_IFTYPE_AP:
7099 case NL80211_IFTYPE_AP_VLAN:
074ac8df 7100 case NL80211_IFTYPE_P2P_GO:
074ac8df 7101 case NL80211_IFTYPE_P2P_CLIENT:
a97f4424 7102 case NL80211_IFTYPE_STATION:
267335d6 7103 case NL80211_IFTYPE_ADHOC:
a97f4424 7104 case NL80211_IFTYPE_MESH_POINT:
a97f4424
JB		 7105 break;
7106 default:
77ee7c89
JB		 7107 err = -EOPNOTSUPP;
7108 goto out_put_vlan;
034d655e
JB		 7109 }
7110
77ee7c89 7111 /* driver will call cfg80211_check_station_change() */
3d1cc7cd 7112 wdev_lock(dev->ieee80211_ptr);
e35e4d28 7113 err = rdev_change_station(rdev, dev, mac_addr, &params);
3d1cc7cd 7114 wdev_unlock(dev->ieee80211_ptr);
5727ef1b 7115
77ee7c89 7116 out_put_vlan:
1160dfa1 7117 dev_put(params.vlan);
3b85875a 7118
5727ef1b
JB		 7119 return err;
7120}
7121
7122static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
7123{
4c476991 7124 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5727ef1b 7125 int err;
4c476991 7126 struct net_device *dev = info->user_ptr[1];
efbfe516 7127 struct wireless_dev *wdev = dev->ieee80211_ptr;
5727ef1b
JB		 7128 struct station_parameters params;
7129 u8 *mac_addr = NULL;
bda95eb1
JB		 7130 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
7131 BIT(NL80211_STA_FLAG_ASSOCIATED);
5727ef1b
JB		 7132
7133 memset(&params, 0, sizeof(params));
7134
984c311b
JB		 7135 if (!rdev->ops->add_station)
7136 return -EOPNOTSUPP;
7137
5727ef1b
JB		 7138 if (!info->attrs[NL80211_ATTR_MAC])
7139 return -EINVAL;
7140
5727ef1b
JB		 7141 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7142 return -EINVAL;
7143
7144 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
7145 return -EINVAL;
7146
5e4b6f56
JM		 7147 if (!info->attrs[NL80211_ATTR_STA_AID] &&
7148 !info->attrs[NL80211_ATTR_PEER_AID])
0e956c13
TLSC		 7149 return -EINVAL;
7150
b95eb7f0
ST		 7151 params.link_sta_params.link_id =
7152 nl80211_link_id_or_invalid(info->attrs);
7153
c0d67012 7154 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
c0d67012
ST		 7155 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7156 params.link_sta_params.mld_mac = mac_addr;
7157 params.link_sta_params.link_mac =
7158 nla_data(info->attrs[NL80211_ATTR_MAC]);
7159 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7160 return -EINVAL;
7161 } else {
7162 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7163 }
7164
b95eb7f0 7165 params.link_sta_params.supported_rates =
5727ef1b 7166 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
b95eb7f0 7167 params.link_sta_params.supported_rates_len =
5727ef1b
JB		 7168 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7169 params.listen_interval =
7170 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
51b50fbe 7171
14f34e36
GG		 7172 if (info->attrs[NL80211_ATTR_VLAN_ID])
7173 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7174
17b94247 7175 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
ab0d76f6
JB		 7176 params.support_p2p_ps =
7177 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
17b94247
AB		 7178 } else {
7179 /*
7180 * if not specified, assume it's supported for P2P GO interface,
7181 * and is NOT supported for AP interface
7182 */
7183 params.support_p2p_ps =
7184 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
7185 }
7186
3d124ea2 7187 if (info->attrs[NL80211_ATTR_PEER_AID])
5e4b6f56 7188 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3d124ea2
JM		 7189 else
7190 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
51b50fbe 7191
9d62a986
JM		 7192 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7193 params.capability =
7194 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7195 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7196 }
7197
7198 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7199 params.ext_capab =
7200 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7201 params.ext_capab_len =
7202 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7203 }
7204
36aedc90 7205 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
b95eb7f0 7206 params.link_sta_params.ht_capa =
36aedc90 7207 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5727ef1b 7208
f461be3e 7209 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
b95eb7f0 7210 params.link_sta_params.vht_capa =
f461be3e
MP		 7211 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7212
c4cbaf79 7213 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
b95eb7f0 7214 params.link_sta_params.he_capa =
c4cbaf79 7215 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
b95eb7f0 7216 params.link_sta_params.he_capa_len =
c4cbaf79 7217 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
ea05fd35
IP		 7218
7219 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
b95eb7f0 7220 params.link_sta_params.eht_capa =
ea05fd35 7221 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
b95eb7f0 7222 params.link_sta_params.eht_capa_len =
ea05fd35
IP		 7223 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7224
b95eb7f0
ST		 7225 if (!ieee80211_eht_capa_size_ok((const u8 *)params.link_sta_params.he_capa,
7226 (const u8 *)params.link_sta_params.eht_capa,
ea5cba26
JB		 7227 params.link_sta_params.eht_capa_len,
7228 false))
ea05fd35
IP		 7229 return -EINVAL;
7230 }
c4cbaf79
LC		 7231 }
7232
43e64bf3 7233 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
b95eb7f0 7234 params.link_sta_params.he_6ghz_capa =
43e64bf3
RM		 7235 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7236
60f4a7b1 7237 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
b95eb7f0
ST		 7238 params.link_sta_params.opmode_notif_used = true;
7239 params.link_sta_params.opmode_notif =
60f4a7b1
MK		 7240 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7241 }
7242
ab0d76f6 7243 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
96b78dff 7244 params.plink_action =
f8bacc21 7245 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
96b78dff 7246
36647055
THJ		 7247 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7248 params.airtime_weight =
7249 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7250
7251 if (params.airtime_weight &&
7252 !wiphy_ext_feature_isset(&rdev->wiphy,
7253 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7254 return -EOPNOTSUPP;
7255
b95eb7f0
ST		 7256 err = nl80211_parse_sta_txpower_setting(info,
7257 &params.link_sta_params.txpwr,
7258 &params.link_sta_params.txpwr_set);
e96d1cd2
ARN		 7259 if (err)
7260 return err;
7261
c01fc9ad
SD		 7262 err = nl80211_parse_sta_channel_info(info, &params);
7263 if (err)
7264 return err;
7265
ff276691
JB		 7266 err = nl80211_parse_sta_wme(info, &params);
7267 if (err)
7268 return err;
bdd90d5e 7269
bdd3ae3d 7270 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 7271 return -EINVAL;
7272
496fcc29
JB		 7273 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
7274 * as userspace might just pass through the capabilities from the IEs
7275 * directly, rather than enforcing this restriction and returning an
7276 * error in this case.
7277 */
7278 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
b95eb7f0
ST		 7279 params.link_sta_params.ht_capa = NULL;
7280 params.link_sta_params.vht_capa = NULL;
c4cbaf79 7281
ea05fd35 7282 /* HE and EHT require WME */
b95eb7f0
ST		 7283 if (params.link_sta_params.he_capa_len ||
7284 params.link_sta_params.he_6ghz_capa ||
7285 params.link_sta_params.eht_capa_len)
c4cbaf79 7286 return -EINVAL;
496fcc29
JB		 7287 }
7288
43e64bf3 7289 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
b95eb7f0
ST		 7290 if (params.link_sta_params.he_6ghz_capa &&
7291 (params.link_sta_params.ht_capa || params.link_sta_params.vht_capa))
43e64bf3
RM		 7292 return -EINVAL;
7293
77ee7c89
JB		 7294 /* When you run into this, adjust the code below for the new flag */
7295 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
7296
bdd90d5e
JB		 7297 switch (dev->ieee80211_ptr->iftype) {
7298 case NL80211_IFTYPE_AP:
7299 case NL80211_IFTYPE_AP_VLAN:
7300 case NL80211_IFTYPE_P2P_GO:
984c311b
JB		 7301 /* ignore WME attributes if iface/sta is not capable */
7302 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
7303 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
7304 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
c75786c9 7305
bdd90d5e 7306 /* TDLS peers cannot be added */
3d124ea2
JM		 7307 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7308 info->attrs[NL80211_ATTR_PEER_AID])
4319e193 7309 return -EINVAL;
bdd90d5e
JB		 7310 /* but don't bother the driver with it */
7311 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3b9ce80c 7312
d582cffb
JB		 7313 /* allow authenticated/associated only if driver handles it */
7314 if (!(rdev->wiphy.features &
7315 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
bda95eb1 7316 params.sta_flags_mask & auth_assoc)
d582cffb
JB		 7317 return -EINVAL;
7318
bda95eb1
JB		 7319 /* Older userspace, or userspace wanting to be compatible with
7320 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
7321 * and assoc flags in the mask, but assumes the station will be
7322 * added as associated anyway since this was the required driver
7323 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
7324 * introduced.
7325 * In order to not bother drivers with this quirk in the API
7326 * set the flags in both the mask and set for new stations in
7327 * this case.
7328 */
7329 if (!(params.sta_flags_mask & auth_assoc)) {
7330 params.sta_flags_mask |= auth_assoc;
7331 params.sta_flags_set |= auth_assoc;
7332 }
7333
bdd90d5e
JB		 7334 /* must be last in here for error handling */
7335 params.vlan = get_vlan(info, rdev);
7336 if (IS_ERR(params.vlan))
7337 return PTR_ERR(params.vlan);
7338 break;
7339 case NL80211_IFTYPE_MESH_POINT:
984c311b
JB		 7340 /* ignore uAPSD data */
7341 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7342
d582cffb
JB		 7343 /* associated is disallowed */
7344 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
7345 return -EINVAL;
bdd90d5e 7346 /* TDLS peers cannot be added */
3d124ea2
JM		 7347 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7348 info->attrs[NL80211_ATTR_PEER_AID])
bdd90d5e
JB		 7349 return -EINVAL;
7350 break;
7351 case NL80211_IFTYPE_STATION:
93d08f0b 7352 case NL80211_IFTYPE_P2P_CLIENT:
984c311b
JB		 7353 /* ignore uAPSD data */
7354 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7355
77ee7c89
JB		 7356 /* these are disallowed */
7357 if (params.sta_flags_mask &
7358 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
7359 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
d582cffb 7360 return -EINVAL;
bdd90d5e
JB		 7361 /* Only TDLS peers can be added */
7362 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
7363 return -EINVAL;
7364 /* Can only add if TDLS ... */
7365 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
7366 return -EOPNOTSUPP;
7367 /* ... with external setup is supported */
7368 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
7369 return -EOPNOTSUPP;
77ee7c89
JB		 7370 /*
7371 * Older wpa_supplicant versions always mark the TDLS peer
7372 * as authorized, but it shouldn't yet be.
7373 */
7374 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
bdd90d5e
JB		 7375 break;
7376 default:
7377 return -EOPNOTSUPP;
c75786c9
EP		 7378 }
7379
bdd90d5e 7380 /* be aware of params.vlan when changing code here */
5727ef1b 7381
3d1cc7cd 7382 wdev_lock(dev->ieee80211_ptr);
efbfe516
JB		 7383 if (wdev->valid_links) {
7384 if (params.link_sta_params.link_id < 0) {
7385 err = -EINVAL;
7386 goto out;
7387 }
7388 if (!(wdev->valid_links & BIT(params.link_sta_params.link_id))) {
7389 err = -ENOLINK;
7390 goto out;
7391 }
7392 } else {
7393 if (params.link_sta_params.link_id >= 0) {
7394 err = -EINVAL;
7395 goto out;
7396 }
7397 }
e35e4d28 7398 err = rdev_add_station(rdev, dev, mac_addr, &params);
efbfe516 7399out:
3d1cc7cd 7400 wdev_unlock(dev->ieee80211_ptr);
1160dfa1 7401 dev_put(params.vlan);
5727ef1b
JB		 7402 return err;
7403}
7404
7405static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
7406{
4c476991
JB		 7407 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7408 struct net_device *dev = info->user_ptr[1];
89c771e5 7409 struct station_del_parameters params;
3d1cc7cd 7410 int ret;
89c771e5
JM		 7411
7412 memset(&params, 0, sizeof(params));
5727ef1b
JB		 7413
7414 if (info->attrs[NL80211_ATTR_MAC])
89c771e5 7415 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5727ef1b 7416
306b79ea
JB		 7417 switch (dev->ieee80211_ptr->iftype) {
7418 case NL80211_IFTYPE_AP:
7419 case NL80211_IFTYPE_AP_VLAN:
7420 case NL80211_IFTYPE_MESH_POINT:
7421 case NL80211_IFTYPE_P2P_GO:
7422 /* always accept these */
7423 break;
7424 case NL80211_IFTYPE_ADHOC:
7425 /* conditionally accept */
7426 if (wiphy_ext_feature_isset(&rdev->wiphy,
7427 NL80211_EXT_FEATURE_DEL_IBSS_STA))
7428 break;
edafcf42 7429 return -EINVAL;
306b79ea 7430 default:
4c476991 7431 return -EINVAL;
306b79ea 7432 }
5727ef1b 7433
4c476991
JB		 7434 if (!rdev->ops->del_station)
7435 return -EOPNOTSUPP;
3b85875a 7436
98856866
JM		 7437 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
7438 params.subtype =
7439 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
7440 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
7441 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
7442 return -EINVAL;
7443 } else {
7444 /* Default to Deauthentication frame */
7445 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
7446 }
7447
7448 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
7449 params.reason_code =
7450 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7451 if (params.reason_code == 0)
7452 return -EINVAL; /* 0 is reserved */
7453 } else {
7454 /* Default to reason code 2 */
7455 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
7456 }
7457
3d1cc7cd
JB		 7458 wdev_lock(dev->ieee80211_ptr);
7459 ret = rdev_del_station(rdev, dev, &params);
7460 wdev_unlock(dev->ieee80211_ptr);
7461
7462 return ret;
5727ef1b
JB		 7463}
7464
15e47304 7465static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
2ec600d6
LCC		 7466 int flags, struct net_device *dev,
7467 u8 *dst, u8 *next_hop,
7468 struct mpath_info *pinfo)
7469{
7470 void *hdr;
7471 struct nlattr *pinfoattr;
7472
1ef4c850 7473 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
2ec600d6
LCC		 7474 if (!hdr)
7475 return -1;
7476
9360ffd1
DM		 7477 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7478 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7479 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
7480 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
7481 goto nla_put_failure;
f5ea9120 7482
ae0be8de 7483 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
2ec600d6
LCC		 7484 if (!pinfoattr)
7485 goto nla_put_failure;
9360ffd1
DM		 7486 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
7487 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
7488 pinfo->frame_qlen))
7489 goto nla_put_failure;
7490 if (((pinfo->filled & MPATH_INFO_SN) &&
7491 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
7492 ((pinfo->filled & MPATH_INFO_METRIC) &&
7493 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
7494 pinfo->metric)) ||
7495 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
7496 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
7497 pinfo->exptime)) ||
7498 ((pinfo->filled & MPATH_INFO_FLAGS) &&
7499 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
7500 pinfo->flags)) ||
7501 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
7502 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
7503 pinfo->discovery_timeout)) ||
7504 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
7505 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
cc241636
JH		 7506 pinfo->discovery_retries)) ||
7507 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
7508 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
540bbcb9
JH		 7509 pinfo->hop_count)) ||
7510 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
7511 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
7512 pinfo->path_change_count)))
9360ffd1 7513 goto nla_put_failure;
2ec600d6
LCC		 7514
7515 nla_nest_end(msg, pinfoattr);
7516
053c095a
JB		 7517 genlmsg_end(msg, hdr);
7518 return 0;
2ec600d6
LCC		 7519
7520 nla_put_failure:
bc3ed28c
TG		 7521 genlmsg_cancel(msg, hdr);
7522 return -EMSGSIZE;
2ec600d6
LCC		 7523}
7524
7525static int nl80211_dump_mpath(struct sk_buff *skb,
bba95fef 7526 struct netlink_callback *cb)
2ec600d6 7527{
2ec600d6 7528 struct mpath_info pinfo;
1b8ec87a 7529 struct cfg80211_registered_device *rdev;
97990a06 7530 struct wireless_dev *wdev;
2ec600d6
LCC		 7531 u8 dst[ETH_ALEN];
7532 u8 next_hop[ETH_ALEN];
97990a06 7533 int path_idx = cb->args[2];
2ec600d6 7534 int err;
2ec600d6 7535
ce6b6974 7536 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
67748893 7537 if (err)
a05829a7
JB		 7538 return err;
7539 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7540 __acquire(&rdev->wiphy.mtx);
bba95fef 7541
1b8ec87a 7542 if (!rdev->ops->dump_mpath) {
eec60b03 7543 err = -EOPNOTSUPP;
bba95fef
JB		 7544 goto out_err;
7545 }
7546
97990a06 7547 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
eec60b03 7548 err = -EOPNOTSUPP;
0448b5fc 7549 goto out_err;
eec60b03
JM		 7550 }
7551
bba95fef 7552 while (1) {
1b8ec87a 7553 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
97990a06 7554 next_hop, &pinfo);
bba95fef 7555 if (err == -ENOENT)
2ec600d6 7556 break;
bba95fef 7557 if (err)
3b85875a 7558 goto out_err;
2ec600d6 7559
15e47304 7560 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
bba95fef 7561 cb->nlh->nlmsg_seq, NLM_F_MULTI,
97990a06 7562 wdev->netdev, dst, next_hop,
bba95fef
JB		 7563 &pinfo) < 0)
7564 goto out;
2ec600d6 7565
bba95fef 7566 path_idx++;
2ec600d6 7567 }
2ec600d6 7568
bba95fef 7569 out:
97990a06 7570 cb->args[2] = path_idx;
bba95fef 7571 err = skb->len;
bba95fef 7572 out_err:
a05829a7 7573 wiphy_unlock(&rdev->wiphy);
bba95fef 7574 return err;
2ec600d6
LCC		 7575}
7576
7577static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
7578{
4c476991 7579 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 7580 int err;
4c476991 7581 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7582 struct mpath_info pinfo;
7583 struct sk_buff *msg;
7584 u8 *dst = NULL;
7585 u8 next_hop[ETH_ALEN];
7586
7587 memset(&pinfo, 0, sizeof(pinfo));
7588
7589 if (!info->attrs[NL80211_ATTR_MAC])
7590 return -EINVAL;
7591
7592 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7593
4c476991
JB		 7594 if (!rdev->ops->get_mpath)
7595 return -EOPNOTSUPP;
2ec600d6 7596
4c476991
JB		 7597 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7598 return -EOPNOTSUPP;
eec60b03 7599
e35e4d28 7600 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
2ec600d6 7601 if (err)
4c476991 7602 return err;
2ec600d6 7603
fd2120ca 7604 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2ec600d6 7605 if (!msg)
4c476991 7606 return -ENOMEM;
2ec600d6 7607
15e47304 7608 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4c476991
JB		 7609 dev, dst, next_hop, &pinfo) < 0) {
7610 nlmsg_free(msg);
7611 return -ENOBUFS;
7612 }
3b85875a 7613
4c476991 7614 return genlmsg_reply(msg, info);
2ec600d6
LCC		 7615}
7616
7617static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
7618{
4c476991
JB		 7619 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7620 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7621 u8 *dst = NULL;
7622 u8 *next_hop = NULL;
7623
7624 if (!info->attrs[NL80211_ATTR_MAC])
7625 return -EINVAL;
7626
7627 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7628 return -EINVAL;
7629
7630 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7631 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7632
4c476991
JB		 7633 if (!rdev->ops->change_mpath)
7634 return -EOPNOTSUPP;
35a8efe1 7635
4c476991
JB		 7636 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7637 return -EOPNOTSUPP;
2ec600d6 7638
e35e4d28 7639 return rdev_change_mpath(rdev, dev, dst, next_hop);
2ec600d6 7640}
4c476991 7641
2ec600d6
LCC		 7642static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7643{
4c476991
JB		 7644 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7645 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7646 u8 *dst = NULL;
7647 u8 *next_hop = NULL;
7648
7649 if (!info->attrs[NL80211_ATTR_MAC])
7650 return -EINVAL;
7651
7652 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7653 return -EINVAL;
7654
7655 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7656 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7657
4c476991
JB		 7658 if (!rdev->ops->add_mpath)
7659 return -EOPNOTSUPP;
35a8efe1 7660
4c476991
JB		 7661 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7662 return -EOPNOTSUPP;
2ec600d6 7663
e35e4d28 7664 return rdev_add_mpath(rdev, dev, dst, next_hop);
2ec600d6
LCC		 7665}
7666
7667static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7668{
4c476991
JB		 7669 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7670 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7671 u8 *dst = NULL;
7672
7673 if (info->attrs[NL80211_ATTR_MAC])
7674 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7675
4c476991
JB		 7676 if (!rdev->ops->del_mpath)
7677 return -EOPNOTSUPP;
3b85875a 7678
b501426c
MP		 7679 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7680 return -EOPNOTSUPP;
7681
e35e4d28 7682 return rdev_del_mpath(rdev, dev, dst);
2ec600d6
LCC		 7683}
7684
66be7d2b
HR		 7685static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7686{
7687 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7688 int err;
7689 struct net_device *dev = info->user_ptr[1];
7690 struct mpath_info pinfo;
7691 struct sk_buff *msg;
7692 u8 *dst = NULL;
7693 u8 mpp[ETH_ALEN];
7694
7695 memset(&pinfo, 0, sizeof(pinfo));
7696
7697 if (!info->attrs[NL80211_ATTR_MAC])
7698 return -EINVAL;
7699
7700 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7701
7702 if (!rdev->ops->get_mpp)
7703 return -EOPNOTSUPP;
7704
7705 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7706 return -EOPNOTSUPP;
7707
7708 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7709 if (err)
7710 return err;
7711
7712 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7713 if (!msg)
7714 return -ENOMEM;
7715
7716 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7717 dev, dst, mpp, &pinfo) < 0) {
7718 nlmsg_free(msg);
7719 return -ENOBUFS;
7720 }
7721
7722 return genlmsg_reply(msg, info);
7723}
7724
7725static int nl80211_dump_mpp(struct sk_buff *skb,
7726 struct netlink_callback *cb)
7727{
7728 struct mpath_info pinfo;
7729 struct cfg80211_registered_device *rdev;
7730 struct wireless_dev *wdev;
7731 u8 dst[ETH_ALEN];
7732 u8 mpp[ETH_ALEN];
7733 int path_idx = cb->args[2];
7734 int err;
7735
ce6b6974 7736 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
66be7d2b 7737 if (err)
a05829a7
JB		 7738 return err;
7739 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7740 __acquire(&rdev->wiphy.mtx);
66be7d2b
HR		 7741
7742 if (!rdev->ops->dump_mpp) {
7743 err = -EOPNOTSUPP;
7744 goto out_err;
7745 }
7746
7747 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7748 err = -EOPNOTSUPP;
7749 goto out_err;
7750 }
7751
7752 while (1) {
7753 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7754 mpp, &pinfo);
7755 if (err == -ENOENT)
7756 break;
7757 if (err)
7758 goto out_err;
7759
7760 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7761 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7762 wdev->netdev, dst, mpp,
7763 &pinfo) < 0)
7764 goto out;
7765
7766 path_idx++;
7767 }
7768
7769 out:
7770 cb->args[2] = path_idx;
7771 err = skb->len;
7772 out_err:
a05829a7 7773 wiphy_unlock(&rdev->wiphy);
66be7d2b
HR		 7774 return err;
7775}
7776
9f1ba906
JM		 7777static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7778{
4c476991
JB		 7779 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7780 struct net_device *dev = info->user_ptr[1];
c56589ed 7781 struct wireless_dev *wdev = dev->ieee80211_ptr;
9f1ba906 7782 struct bss_parameters params;
c56589ed 7783 int err;
9f1ba906
JM		 7784
7785 memset(&params, 0, sizeof(params));
1e0f8cc9 7786 params.link_id = nl80211_link_id_or_invalid(info->attrs);
9f1ba906
JM		 7787 /* default to not changing parameters */
7788 params.use_cts_prot = -1;
7789 params.use_short_preamble = -1;
7790 params.use_short_slot_time = -1;
fd8aaaf3 7791 params.ap_isolate = -1;
50b12f59 7792 params.ht_opmode = -1;
53cabad7
JB		 7793 params.p2p_ctwindow = -1;
7794 params.p2p_opp_ps = -1;
9f1ba906
JM		 7795
7796 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7797 params.use_cts_prot =
7798 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7799 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7800 params.use_short_preamble =
7801 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7802 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7803 params.use_short_slot_time =
7804 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
90c97a04
JM		 7805 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7806 params.basic_rates =
7807 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7808 params.basic_rates_len =
7809 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7810 }
fd8aaaf3
FF		 7811 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7812 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
50b12f59
HS		 7813 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7814 params.ht_opmode =
7815 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
9f1ba906 7816
53cabad7
JB		 7817 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7818 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7819 return -EINVAL;
7820 params.p2p_ctwindow =
ab0d76f6 7821 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 7822 if (params.p2p_ctwindow != 0 &&
7823 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7824 return -EINVAL;
7825 }
7826
7827 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7828 u8 tmp;
7829
7830 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7831 return -EINVAL;
7832 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 7833 params.p2p_opp_ps = tmp;
7834 if (params.p2p_opp_ps &&
7835 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7836 return -EINVAL;
7837 }
7838
4c476991
JB		 7839 if (!rdev->ops->change_bss)
7840 return -EOPNOTSUPP;
9f1ba906 7841
074ac8df 7842 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991
JB		 7843 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7844 return -EOPNOTSUPP;
3b85875a 7845
c56589ed
SW		 7846 wdev_lock(wdev);
7847 err = rdev_change_bss(rdev, dev, &params);
7848 wdev_unlock(wdev);
7849
7850 return err;
9f1ba906
JM		 7851}
7852
b2e1b302
LR		 7853static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7854{
b2e1b302 7855 char *data = NULL;
05050753 7856 bool is_indoor;
57b5ce07 7857 enum nl80211_user_reg_hint_type user_reg_hint_type;
05050753
I		 7858 u32 owner_nlportid;
7859
80778f18
LR		 7860 /*
7861 * You should only get this when cfg80211 hasn't yet initialized
7862 * completely when built-in to the kernel right between the time
7863 * window between nl80211_init() and regulatory_init(), if that is
7864 * even possible.
7865 */
458f4f9e 7866 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
fe33eb39 7867 return -EINPROGRESS;
80778f18 7868
57b5ce07
LR		 7869 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7870 user_reg_hint_type =
7871 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7872 else
7873 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7874
7875 switch (user_reg_hint_type) {
7876 case NL80211_USER_REG_HINT_USER:
7877 case NL80211_USER_REG_HINT_CELL_BASE:
52616f2b
IP		 7878 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7879 return -EINVAL;
7880
7881 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7882 return regulatory_hint_user(data, user_reg_hint_type);
7883 case NL80211_USER_REG_HINT_INDOOR:
05050753
I		 7884 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7885 owner_nlportid = info->snd_portid;
7886 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7887 } else {
7888 owner_nlportid = 0;
7889 is_indoor = true;
7890 }
7891
7892 return regulatory_hint_indoor(is_indoor, owner_nlportid);
57b5ce07
LR		 7893 default:
7894 return -EINVAL;
7895 }
b2e1b302
LR		 7896}
7897
1ea4ff3e
JB		 7898static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7899{
7900 return reg_reload_regdb();
7901}
7902
24bdd9f4 7903static int nl80211_get_mesh_config(struct sk_buff *skb,
29cbe68c 7904 struct genl_info *info)
93da9cc1 7905{
4c476991 7906 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 7907 struct net_device *dev = info->user_ptr[1];
29cbe68c
JB		 7908 struct wireless_dev *wdev = dev->ieee80211_ptr;
7909 struct mesh_config cur_params;
7910 int err = 0;
93da9cc1 7911 void *hdr;
7912 struct nlattr *pinfoattr;
7913 struct sk_buff *msg;
7914
29cbe68c
JB		 7915 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7916 return -EOPNOTSUPP;
7917
24bdd9f4 7918 if (!rdev->ops->get_mesh_config)
4c476991 7919 return -EOPNOTSUPP;
f3f92586 7920
29cbe68c
JB		 7921 wdev_lock(wdev);
7922 /* If not connected, get default parameters */
7b0a0e3c 7923 if (!wdev->u.mesh.id_len)
29cbe68c
JB		 7924 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7925 else
e35e4d28 7926 err = rdev_get_mesh_config(rdev, dev, &cur_params);
29cbe68c
JB		 7927 wdev_unlock(wdev);
7928
93da9cc1 7929 if (err)
4c476991 7930 return err;
93da9cc1 7931
7932 /* Draw up a netlink message to send back */
fd2120ca 7933 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 7934 if (!msg)
7935 return -ENOMEM;
15e47304 7936 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
24bdd9f4 7937 NL80211_CMD_GET_MESH_CONFIG);
93da9cc1 7938 if (!hdr)
efe1cf0c 7939 goto out;
ae0be8de 7940 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
93da9cc1 7941 if (!pinfoattr)
7942 goto nla_put_failure;
9360ffd1
DM		 7943 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7944 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7945 cur_params.dot11MeshRetryTimeout) ||
7946 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7947 cur_params.dot11MeshConfirmTimeout) ||
7948 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7949 cur_params.dot11MeshHoldingTimeout) ||
7950 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7951 cur_params.dot11MeshMaxPeerLinks) ||
7952 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7953 cur_params.dot11MeshMaxRetries) ||
7954 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7955 cur_params.dot11MeshTTL) ||
7956 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7957 cur_params.element_ttl) ||
7958 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7959 cur_params.auto_open_plinks) ||
7eab0f64
JL		 7960 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7961 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
9360ffd1
DM		 7962 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7963 cur_params.dot11MeshHWMPmaxPREQretries) ||
7964 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7965 cur_params.path_refresh_time) ||
7966 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7967 cur_params.min_discovery_timeout) ||
7968 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7969 cur_params.dot11MeshHWMPactivePathTimeout) ||
7970 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7971 cur_params.dot11MeshHWMPpreqMinInterval) ||
7972 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7973 cur_params.dot11MeshHWMPperrMinInterval) ||
7974 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7975 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7976 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7977 cur_params.dot11MeshHWMPRootMode) ||
7978 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7979 cur_params.dot11MeshHWMPRannInterval) ||
7980 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7981 cur_params.dot11MeshGateAnnouncementProtocol) ||
7982 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7983 cur_params.dot11MeshForwarding) ||
335d5349 7984 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
70c33eaa
AN		 7985 cur_params.rssi_threshold) ||
7986 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 7987 cur_params.ht_opmode) ||
7988 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7989 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7990 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 7991 cur_params.dot11MeshHWMProotInterval) ||
7992 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3b1c5a53
MP		 7993 cur_params.dot11MeshHWMPconfirmationInterval) ||
7994 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7995 cur_params.power_mode) ||
7996 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8e7c0538
CT		 7997 cur_params.dot11MeshAwakeWindowDuration) ||
7998 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
01d66fbd
BC		 7999 cur_params.plink_timeout) ||
8000 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
e3718a61
LL		 8001 cur_params.dot11MeshConnectedToMeshGate) ||
8002 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
184eebe6
MT		 8003 cur_params.dot11MeshNolearn) ||
8004 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
8005 cur_params.dot11MeshConnectedToAuthServer))
9360ffd1 8006 goto nla_put_failure;
93da9cc1 8007 nla_nest_end(msg, pinfoattr);
8008 genlmsg_end(msg, hdr);
4c476991 8009 return genlmsg_reply(msg, info);
93da9cc1 8010
3b85875a 8011 nla_put_failure:
efe1cf0c 8012 out:
d080e275 8013 nlmsg_free(msg);
4c476991 8014 return -ENOBUFS;
93da9cc1 8015}
8016
ab0d76f6
JB		 8017static const struct nla_policy
8018nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
8019 [NL80211_MESHCONF_RETRY_TIMEOUT] =
8020 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8021 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
8022 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8023 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
8024 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8025 [NL80211_MESHCONF_MAX_PEER_LINKS] =
8026 NLA_POLICY_RANGE(NLA_U16, 0, 255),
8027 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
8028 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8029 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8030 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
8031 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
8032 NLA_POLICY_RANGE(NLA_U32, 1, 255),
93da9cc1 8033 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
8034 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
ab0d76f6 8035 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
93da9cc1 8036 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 8037 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
8038 NLA_POLICY_MIN(NLA_U16, 1),
8039 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
8040 NLA_POLICY_MIN(NLA_U16, 1),
8041 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
8042 NLA_POLICY_MIN(NLA_U16, 1),
8043 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
8044 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
8045 NLA_POLICY_MIN(NLA_U16, 1),
8046 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
8047 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
8048 [NL80211_MESHCONF_RSSI_THRESHOLD] =
8049 NLA_POLICY_RANGE(NLA_S32, -255, 0),
a4f606ea 8050 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
ac1073a6 8051 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 8052 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
8053 NLA_POLICY_MIN(NLA_U16, 1),
8054 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
8055 NLA_POLICY_MIN(NLA_U16, 1),
8056 [NL80211_MESHCONF_POWER_MODE] =
8057 NLA_POLICY_RANGE(NLA_U32,
8058 NL80211_MESH_POWER_ACTIVE,
8059 NL80211_MESH_POWER_MAX),
3b1c5a53 8060 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8e7c0538 8061 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
01d66fbd 8062 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
e3718a61 8063 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
184eebe6 8064 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
93da9cc1 8065};
8066
c80d545d
JC		 8067static const struct nla_policy
8068 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
d299a1f2 8069 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
c80d545d
JC		 8070 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
8071 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
15d5dda6 8072 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6e16d90b 8073 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
bb2798d4 8074 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
3d7af878
JB		 8075 [NL80211_MESH_SETUP_IE] =
8076 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
8077 IEEE80211_MAX_DATA_LEN),
b130e5ce 8078 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
c80d545d
JC		 8079};
8080
24bdd9f4 8081static int nl80211_parse_mesh_config(struct genl_info *info,
bd90fdcc
JB		 8082 struct mesh_config *cfg,
8083 u32 *mask_out)
93da9cc1 8084{
93da9cc1 8085 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
bd90fdcc 8086 u32 mask = 0;
9757235f 8087 u16 ht_opmode;
93da9cc1 8088
ab0d76f6
JB		 8089#define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
8090do { \
8091 if (tb[attr]) { \
8092 cfg->param = fn(tb[attr]); \
8093 mask |= BIT((attr) - 1); \
8094 } \
ea54fba2 8095} while (0)
bd90fdcc 8096
24bdd9f4 8097 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
93da9cc1 8098 return -EINVAL;
8cb08174 8099 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
93da9cc1 8100 return -EINVAL;
8101
93da9cc1 8102 /* This makes sure that there aren't more than 32 mesh config
8103 * parameters (otherwise our bitfield scheme would not work.) */
8104 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
8105
8106 /* Fill in the params struct */
ab0d76f6
JB		 8107 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
8108 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
8109 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
8110 NL80211_MESHCONF_CONFIRM_TIMEOUT,
8111 nla_get_u16);
8112 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
8113 NL80211_MESHCONF_HOLDING_TIMEOUT,
8114 nla_get_u16);
8115 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
8116 NL80211_MESHCONF_MAX_PEER_LINKS,
8117 nla_get_u16);
8118 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
8119 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
8120 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
8121 NL80211_MESHCONF_TTL, nla_get_u8);
8122 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
8123 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
8124 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
8125 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8126 nla_get_u8);
ea54fba2 8127 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
ab0d76f6 8128 mask,
a4f606ea 8129 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
ab0d76f6
JB		 8130 nla_get_u32);
8131 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
8132 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8133 nla_get_u8);
8134 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
8135 NL80211_MESHCONF_PATH_REFRESH_TIME,
8136 nla_get_u32);
8137 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
8138 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
8139 return -EINVAL;
8140 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
8141 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8142 nla_get_u16);
ea54fba2 8143 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
ab0d76f6 8144 mask,
a4f606ea 8145 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
ab0d76f6
JB		 8146 nla_get_u32);
8147 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
8148 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
8149 cfg->dot11MeshHWMPactivePathTimeout > 65535))
8150 return -EINVAL;
8151 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
ea54fba2 8152 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
ab0d76f6
JB		 8153 nla_get_u16);
8154 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
ea54fba2 8155 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
ab0d76f6 8156 nla_get_u16);
93da9cc1 8157 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6 8158 dot11MeshHWMPnetDiameterTraversalTime, mask,
a4f606ea 8159 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
ab0d76f6
JB		 8160 nla_get_u16);
8161 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
8162 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
8163 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
8164 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8165 nla_get_u16);
8166 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
ea54fba2 8167 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
ab0d76f6
JB		 8168 nla_get_u8);
8169 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
8170 NL80211_MESHCONF_FORWARDING, nla_get_u8);
8171 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
8172 NL80211_MESHCONF_RSSI_THRESHOLD,
8173 nla_get_s32);
01d66fbd
BC		 8174 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
8175 NL80211_MESHCONF_CONNECTED_TO_GATE,
8176 nla_get_u8);
184eebe6
MT		 8177 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
8178 NL80211_MESHCONF_CONNECTED_TO_AS,
8179 nla_get_u8);
9757235f
MH		 8180 /*
8181 * Check HT operation mode based on
188f60ab 8182 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
9757235f
MH		 8183 */
8184 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
8185 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
8186
8187 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
8188 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
8189 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
8190 return -EINVAL;
8191
188f60ab
BC		 8192 /* NON_HT_STA bit is reserved, but some programs set it */
8193 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
9757235f 8194
9757235f 8195 cfg->ht_opmode = ht_opmode;
fd551bac 8196 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
9757235f 8197 }
728b19e5 8198 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6
JB		 8199 dot11MeshHWMPactivePathToRootTimeout, mask,
8200 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8201 nla_get_u32);
8202 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
8203 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
8204 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
8205 return -EINVAL;
8206 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
8207 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8208 nla_get_u16);
8209 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
8210 mask,
728b19e5 8211 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
ab0d76f6
JB		 8212 nla_get_u16);
8213 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
8214 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
8215 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
8216 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
8217 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
8218 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
e3718a61
LL		 8219 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
8220 NL80211_MESHCONF_NOLEARN, nla_get_u8);
bd90fdcc
JB		 8221 if (mask_out)
8222 *mask_out = mask;
c80d545d 8223
bd90fdcc
JB		 8224 return 0;
8225
8226#undef FILL_IN_MESH_PARAM_IF_SET
8227}
8228
c80d545d
JC		 8229static int nl80211_parse_mesh_setup(struct genl_info *info,
8230 struct mesh_setup *setup)
8231{
bb2798d4 8232 struct cfg80211_registered_device *rdev = info->user_ptr[0];
c80d545d
JC		 8233 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
8234
8235 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
8236 return -EINVAL;
8cb08174 8237 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		 8238 return -EINVAL;
8239
d299a1f2
JC		 8240 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
8241 setup->sync_method =
8242 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
8243 IEEE80211_SYNC_METHOD_VENDOR :
8244 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
8245
c80d545d
JC		 8246 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
8247 setup->path_sel_proto =
8248 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
8249 IEEE80211_PATH_PROTOCOL_VENDOR :
8250 IEEE80211_PATH_PROTOCOL_HWMP;
8251
8252 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
8253 setup->path_metric =
8254 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
8255 IEEE80211_PATH_METRIC_VENDOR :
8256 IEEE80211_PATH_METRIC_AIRTIME;
8257
581a8b0f 8258 if (tb[NL80211_MESH_SETUP_IE]) {
c80d545d 8259 struct nlattr *ieattr =
581a8b0f 8260 tb[NL80211_MESH_SETUP_IE];
581a8b0f
JC		 8261 setup->ie = nla_data(ieattr);
8262 setup->ie_len = nla_len(ieattr);
c80d545d 8263 }
bb2798d4
TP		 8264 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
8265 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
8266 return -EINVAL;
8267 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
b130e5ce
JC		 8268 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
8269 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
bb2798d4
TP		 8270 if (setup->is_secure)
8271 setup->user_mpm = true;
c80d545d 8272
6e16d90b
CT		 8273 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
8274 if (!setup->user_mpm)
8275 return -EINVAL;
8276 setup->auth_id =
8277 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
8278 }
8279
c80d545d
JC		 8280 return 0;
8281}
8282
24bdd9f4 8283static int nl80211_update_mesh_config(struct sk_buff *skb,
29cbe68c 8284 struct genl_info *info)
bd90fdcc
JB		 8285{
8286 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8287 struct net_device *dev = info->user_ptr[1];
29cbe68c 8288 struct wireless_dev *wdev = dev->ieee80211_ptr;
bd90fdcc
JB		 8289 struct mesh_config cfg;
8290 u32 mask;
8291 int err;
8292
29cbe68c
JB		 8293 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8294 return -EOPNOTSUPP;
8295
24bdd9f4 8296 if (!rdev->ops->update_mesh_config)
bd90fdcc
JB		 8297 return -EOPNOTSUPP;
8298
24bdd9f4 8299 err = nl80211_parse_mesh_config(info, &cfg, &mask);
bd90fdcc
JB		 8300 if (err)
8301 return err;
8302
29cbe68c 8303 wdev_lock(wdev);
7b0a0e3c 8304 if (!wdev->u.mesh.id_len)
29cbe68c
JB		 8305 err = -ENOLINK;
8306
8307 if (!err)
e35e4d28 8308 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
29cbe68c
JB		 8309
8310 wdev_unlock(wdev);
8311
8312 return err;
93da9cc1 8313}
8314
ad30ca2c
AN		 8315static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
8316 struct sk_buff *msg)
f130347c 8317{
f130347c
LR		 8318 struct nlattr *nl_reg_rules;
8319 unsigned int i;
f130347c 8320
458f4f9e
JB		 8321 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
8322 (regdom->dfs_region &&
8323 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
ad30ca2c 8324 goto nla_put_failure;
458f4f9e 8325
ae0be8de 8326 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
f130347c 8327 if (!nl_reg_rules)
ad30ca2c 8328 goto nla_put_failure;
f130347c 8329
458f4f9e 8330 for (i = 0; i < regdom->n_reg_rules; i++) {
f130347c
LR		 8331 struct nlattr *nl_reg_rule;
8332 const struct ieee80211_reg_rule *reg_rule;
8333 const struct ieee80211_freq_range *freq_range;
8334 const struct ieee80211_power_rule *power_rule;
97524820 8335 unsigned int max_bandwidth_khz;
f130347c 8336
458f4f9e 8337 reg_rule = &regdom->reg_rules[i];
f130347c
LR		 8338 freq_range = &reg_rule->freq_range;
8339 power_rule = &reg_rule->power_rule;
8340
ae0be8de 8341 nl_reg_rule = nla_nest_start_noflag(msg, i);
f130347c 8342 if (!nl_reg_rule)
ad30ca2c 8343 goto nla_put_failure;
f130347c 8344
97524820
JD		 8345 max_bandwidth_khz = freq_range->max_bandwidth_khz;
8346 if (!max_bandwidth_khz)
8347 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
8348 reg_rule);
8349
9360ffd1
DM		 8350 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
8351 reg_rule->flags) ||
8352 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
8353 freq_range->start_freq_khz) ||
8354 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
8355 freq_range->end_freq_khz) ||
8356 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
97524820 8357 max_bandwidth_khz) ||
9360ffd1
DM		 8358 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
8359 power_rule->max_antenna_gain) ||
8360 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
089027e5
JD		 8361 power_rule->max_eirp) ||
8362 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
8363 reg_rule->dfs_cac_ms))
ad30ca2c 8364 goto nla_put_failure;
f130347c
LR		 8365
8366 nla_nest_end(msg, nl_reg_rule);
8367 }
8368
8369 nla_nest_end(msg, nl_reg_rules);
ad30ca2c
AN		 8370 return 0;
8371
8372nla_put_failure:
8373 return -EMSGSIZE;
8374}
8375
8376static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
8377{
8378 const struct ieee80211_regdomain *regdom = NULL;
8379 struct cfg80211_registered_device *rdev;
8380 struct wiphy *wiphy = NULL;
8381 struct sk_buff *msg;
024fcf5e 8382 int err = -EMSGSIZE;
ad30ca2c
AN		 8383 void *hdr;
8384
8385 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8386 if (!msg)
8387 return -ENOBUFS;
8388
8389 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8390 NL80211_CMD_GET_REG);
8391 if (!hdr)
8392 goto put_failure;
8393
a05829a7
JB		 8394 rtnl_lock();
8395
ad30ca2c 8396 if (info->attrs[NL80211_ATTR_WIPHY]) {
1bdd716c
AN		 8397 bool self_managed;
8398
ad30ca2c
AN		 8399 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8400 if (IS_ERR(rdev)) {
024fcf5e
JB		 8401 err = PTR_ERR(rdev);
8402 goto nla_put_failure;
ad30ca2c
AN		 8403 }
8404
8405 wiphy = &rdev->wiphy;
1bdd716c
AN		 8406 self_managed = wiphy->regulatory_flags &
8407 REGULATORY_WIPHY_SELF_MANAGED;
024fcf5e
JB		 8408
8409 rcu_read_lock();
8410
ad30ca2c
AN		 8411 regdom = get_wiphy_regdom(wiphy);
8412
1bdd716c
AN		 8413 /* a self-managed-reg device must have a private regdom */
8414 if (WARN_ON(!regdom && self_managed)) {
024fcf5e
JB		 8415 err = -EINVAL;
8416 goto nla_put_failure_rcu;
1bdd716c
AN		 8417 }
8418
ad30ca2c
AN		 8419 if (regdom &&
8420 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
024fcf5e
JB		 8421 goto nla_put_failure_rcu;
8422 } else {
8423 rcu_read_lock();
ad30ca2c
AN		 8424 }
8425
8426 if (!wiphy && reg_last_request_cell_base() &&
8427 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8428 NL80211_USER_REG_HINT_CELL_BASE))
024fcf5e 8429 goto nla_put_failure_rcu;
ad30ca2c
AN		 8430
8431 if (!regdom)
8432 regdom = rcu_dereference(cfg80211_regdomain);
8433
8434 if (nl80211_put_regdom(regdom, msg))
8435 goto nla_put_failure_rcu;
8436
8437 rcu_read_unlock();
f130347c
LR		 8438
8439 genlmsg_end(msg, hdr);
a05829a7 8440 rtnl_unlock();
5fe231e8 8441 return genlmsg_reply(msg, info);
f130347c 8442
458f4f9e
JB		 8443nla_put_failure_rcu:
8444 rcu_read_unlock();
f130347c 8445nla_put_failure:
a05829a7 8446 rtnl_unlock();
efe1cf0c 8447put_failure:
d080e275 8448 nlmsg_free(msg);
024fcf5e 8449 return err;
f130347c
LR		 8450}
8451
ad30ca2c
AN		 8452static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
8453 u32 seq, int flags, struct wiphy *wiphy,
8454 const struct ieee80211_regdomain *regdom)
8455{
8456 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8457 NL80211_CMD_GET_REG);
8458
8459 if (!hdr)
8460 return -1;
8461
0a833c29 8462 genl_dump_check_consistent(cb, hdr);
ad30ca2c
AN		 8463
8464 if (nl80211_put_regdom(regdom, msg))
8465 goto nla_put_failure;
8466
8467 if (!wiphy && reg_last_request_cell_base() &&
8468 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8469 NL80211_USER_REG_HINT_CELL_BASE))
8470 goto nla_put_failure;
8471
8472 if (wiphy &&
8473 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8474 goto nla_put_failure;
8475
1bdd716c
AN		 8476 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
8477 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
8478 goto nla_put_failure;
8479
053c095a
JB		 8480 genlmsg_end(msg, hdr);
8481 return 0;
ad30ca2c
AN		 8482
8483nla_put_failure:
8484 genlmsg_cancel(msg, hdr);
8485 return -EMSGSIZE;
8486}
8487
8488static int nl80211_get_reg_dump(struct sk_buff *skb,
8489 struct netlink_callback *cb)
8490{
8491 const struct ieee80211_regdomain *regdom = NULL;
8492 struct cfg80211_registered_device *rdev;
8493 int err, reg_idx, start = cb->args[2];
8494
024fcf5e 8495 rcu_read_lock();
ad30ca2c
AN		 8496
8497 if (cfg80211_regdomain && start == 0) {
8498 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8499 NLM_F_MULTI, NULL,
024fcf5e 8500 rcu_dereference(cfg80211_regdomain));
ad30ca2c
AN		 8501 if (err < 0)
8502 goto out_err;
8503 }
8504
8505 /* the global regdom is idx 0 */
8506 reg_idx = 1;
024fcf5e 8507 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ad30ca2c
AN		 8508 regdom = get_wiphy_regdom(&rdev->wiphy);
8509 if (!regdom)
8510 continue;
8511
8512 if (++reg_idx <= start)
8513 continue;
8514
8515 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8516 NLM_F_MULTI, &rdev->wiphy, regdom);
8517 if (err < 0) {
8518 reg_idx--;
8519 break;
8520 }
8521 }
8522
8523 cb->args[2] = reg_idx;
8524 err = skb->len;
8525out_err:
024fcf5e 8526 rcu_read_unlock();
ad30ca2c
AN		 8527 return err;
8528}
8529
b6863036
JB		 8530#ifdef CONFIG_CFG80211_CRDA_SUPPORT
8531static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
8532 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
8533 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
8534 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
8535 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
8536 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
8537 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
8538 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
8539};
8540
8541static int parse_reg_rule(struct nlattr *tb[],
8542 struct ieee80211_reg_rule *reg_rule)
8543{
8544 struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
8545 struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
8546
8547 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
8548 return -EINVAL;
8549 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
8550 return -EINVAL;
8551 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
8552 return -EINVAL;
8553 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
8554 return -EINVAL;
8555 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
8556 return -EINVAL;
8557
8558 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
8559
8560 freq_range->start_freq_khz =
8561 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
8562 freq_range->end_freq_khz =
8563 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
8564 freq_range->max_bandwidth_khz =
8565 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
8566
8567 power_rule->max_eirp =
8568 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
8569
8570 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
8571 power_rule->max_antenna_gain =
8572 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
8573
8574 if (tb[NL80211_ATTR_DFS_CAC_TIME])
8575 reg_rule->dfs_cac_ms =
8576 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
8577
8578 return 0;
8579}
8580
b2e1b302
LR		 8581static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
8582{
8583 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
8584 struct nlattr *nl_reg_rule;
ea372c54
JB		 8585 char *alpha2;
8586 int rem_reg_rules, r;
391d132c 8587 u32 num_rules = 0, rule_idx = 0;
4c7d3982 8588 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
ea372c54 8589 struct ieee80211_regdomain *rd;
b2e1b302
LR		 8590
8591 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8592 return -EINVAL;
8593
8594 if (!info->attrs[NL80211_ATTR_REG_RULES])
8595 return -EINVAL;
8596
8597 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8598
8b60b078
LR		 8599 if (info->attrs[NL80211_ATTR_DFS_REGION])
8600 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
8601
b2e1b302 8602 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 8603 rem_reg_rules) {
b2e1b302
LR		 8604 num_rules++;
8605 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4776c6e7 8606 return -EINVAL;
b2e1b302
LR		 8607 }
8608
a05829a7
JB		 8609 rtnl_lock();
8610 if (!reg_is_valid_request(alpha2)) {
8611 r = -EINVAL;
8612 goto out;
8613 }
e438768f 8614
391d132c 8615 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
a05829a7
JB		 8616 if (!rd) {
8617 r = -ENOMEM;
8618 goto out;
8619 }
b2e1b302
LR		 8620
8621 rd->n_reg_rules = num_rules;
8622 rd->alpha2[0] = alpha2[0];
8623 rd->alpha2[1] = alpha2[1];
8624
8b60b078
LR		 8625 /*
8626 * Disable DFS master mode if the DFS region was
8627 * not supported or known on this kernel.
8628 */
8629 if (reg_supported_dfs_region(dfs_region))
8630 rd->dfs_region = dfs_region;
8631
b2e1b302 8632 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 8633 rem_reg_rules) {
8cb08174
JB		 8634 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8635 nl_reg_rule, reg_rule_policy,
8636 info->extack);
ae811e21
JB		 8637 if (r)
8638 goto bad_reg;
b2e1b302
LR		 8639 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8640 if (r)
8641 goto bad_reg;
8642
8643 rule_idx++;
8644
d0e18f83
LR		 8645 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8646 r = -EINVAL;
b2e1b302 8647 goto bad_reg;
d0e18f83 8648 }
b2e1b302
LR		 8649 }
8650
a05829a7 8651 r = set_regdom(rd, REGD_SOURCE_CRDA);
06627990 8652 /* set_regdom takes ownership of rd */
a05829a7 8653 rd = NULL;
d2372b31 8654 bad_reg:
b2e1b302 8655 kfree(rd);
a05829a7
JB		 8656 out:
8657 rtnl_unlock();
d0e18f83 8658 return r;
b2e1b302 8659}
b6863036 8660#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
b2e1b302 8661
83f5e2cf
JB		 8662static int validate_scan_freqs(struct nlattr *freqs)
8663{
8664 struct nlattr *attr1, *attr2;
8665 int n_channels = 0, tmp1, tmp2;
8666
d7f13f74
SD		 8667 nla_for_each_nested(attr1, freqs, tmp1)
8668 if (nla_len(attr1) != sizeof(u32))
8669 return 0;
8670
83f5e2cf
JB		 8671 nla_for_each_nested(attr1, freqs, tmp1) {
8672 n_channels++;
8673 /*
8674 * Some hardware has a limited channel list for
8675 * scanning, and it is pretty much nonsensical
8676 * to scan for a channel twice, so disallow that
8677 * and don't require drivers to check that the
8678 * channel list they get isn't longer than what
8679 * they can scan, as long as they can scan all
8680 * the channels they registered at once.
8681 */
8682 nla_for_each_nested(attr2, freqs, tmp2)
8683 if (attr1 != attr2 &&
8684 nla_get_u32(attr1) == nla_get_u32(attr2))
8685 return 0;
8686 }
8687
8688 return n_channels;
8689}
8690
57fbcce3 8691static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
38de03d2 8692{
57fbcce3 8693 return b < NUM_NL80211_BANDS && wiphy->bands[b];
38de03d2
AS		 8694}
8695
8696static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8697 struct cfg80211_bss_selection *bss_select)
8698{
8699 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8700 struct nlattr *nest;
8701 int err;
8702 bool found = false;
8703 int i;
8704
8705 /* only process one nested attribute */
8706 nest = nla_data(nla);
8707 if (!nla_ok(nest, nla_len(nest)))
8708 return -EINVAL;
8709
8cb08174
JB		 8710 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8711 nest, nl80211_bss_select_policy,
8712 NULL);
38de03d2
AS		 8713 if (err)
8714 return err;
8715
8716 /* only one attribute may be given */
8717 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8718 if (attr[i]) {
8719 if (found)
8720 return -EINVAL;
8721 found = true;
8722 }
8723 }
8724
8725 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8726
8727 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8728 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8729
8730 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8731 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8732 bss_select->param.band_pref =
8733 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8734 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8735 return -EINVAL;
8736 }
8737
8738 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8739 struct nl80211_bss_select_rssi_adjust *adj_param;
8740
8741 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8742 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8743 bss_select->param.adjust.band = adj_param->band;
8744 bss_select->param.adjust.delta = adj_param->delta;
8745 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8746 return -EINVAL;
8747 }
8748
8749 /* user-space did not provide behaviour attribute */
8750 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8751 return -EINVAL;
8752
8753 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8754 return -EINVAL;
8755
8756 return 0;
8757}
8758
9bb7e0f2
JB		 8759int nl80211_parse_random_mac(struct nlattr **attrs,
8760 u8 *mac_addr, u8 *mac_addr_mask)
ad2b26ab
JB		 8761{
8762 int i;
8763
8764 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
d2beae10
JP		 8765 eth_zero_addr(mac_addr);
8766 eth_zero_addr(mac_addr_mask);
ad2b26ab
JB		 8767 mac_addr[0] = 0x2;
8768 mac_addr_mask[0] = 0x3;
8769
8770 return 0;
8771 }
8772
8773 /* need both or none */
8774 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8775 return -EINVAL;
8776
8777 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8778 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8779
8780 /* don't allow or configure an mcast address */
8781 if (!is_multicast_ether_addr(mac_addr_mask) ||
8782 is_multicast_ether_addr(mac_addr))
8783 return -EINVAL;
8784
8785 /*
8786 * allow users to pass a MAC address that has bits set outside
8787 * of the mask, but don't bother drivers with having to deal
8788 * with such bits
8789 */
8790 for (i = 0; i < ETH_ALEN; i++)
8791 mac_addr[i] &= mac_addr_mask[i];
8792
8793 return 0;
8794}
8795
7b0a0e3c
JB		 8796static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
8797 struct ieee80211_channel *chan)
34373d12 8798{
7b0a0e3c
JB		 8799 unsigned int link_id;
8800 bool all_ok = true;
8801
34373d12
VT		 8802 ASSERT_WDEV_LOCK(wdev);
8803
8804 if (!cfg80211_beaconing_iface_active(wdev))
8805 return true;
8806
7b0a0e3c
JB		 8807 /*
8808 * FIXME: check if we have a free HW resource/link for chan
8809 *
8810 * This, as well as the FIXME below, requires knowing the link
8811 * capabilities of the hardware.
8812 */
8813
8814 /* we cannot leave radar channels */
8815 for_each_valid_link(wdev, link_id) {
8816 struct cfg80211_chan_def *chandef;
8817
8818 chandef = wdev_chandef(wdev, link_id);
8819 if (!chandef)
8820 continue;
8821
8822 /*
8823 * FIXME: don't require all_ok, but rather check only the
8824 * correct HW resource/link onto which 'chan' falls,
8825 * as only that link leaves the channel for doing
8826 * the off-channel operation.
8827 */
8828
8829 if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
8830 all_ok = false;
8831 }
8832
8833 if (all_ok)
34373d12
VT		 8834 return true;
8835
8836 return regulatory_pre_cac_allowed(wdev->wiphy);
8837}
8838
db0a4ad8
JB		 8839static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8840 enum nl80211_ext_feature_index feat)
8841{
8842 if (!(flags & flag))
8843 return true;
8844 if (wiphy_ext_feature_isset(wiphy, feat))
8845 return true;
8846 return false;
8847}
8848
2d23d073
RZ		 8849static int
8850nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8851 void *request, struct nlattr **attrs,
8852 bool is_sched_scan)
8853{
8854 u8 *mac_addr, *mac_addr_mask;
8855 u32 *flags;
8856 enum nl80211_feature_flags randomness_flag;
8857
8858 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8859 return 0;
8860
8861 if (is_sched_scan) {
8862 struct cfg80211_sched_scan_request *req = request;
8863
8864 randomness_flag = wdev ?
8865 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8866 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8867 flags = &req->flags;
8868 mac_addr = req->mac_addr;
8869 mac_addr_mask = req->mac_addr_mask;
8870 } else {
8871 struct cfg80211_scan_request *req = request;
8872
8873 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8874 flags = &req->flags;
8875 mac_addr = req->mac_addr;
8876 mac_addr_mask = req->mac_addr_mask;
8877 }
8878
8879 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8880
5037a009
SD		 8881 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8882 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
db0a4ad8
JB		 8883 !nl80211_check_scan_feat(wiphy, *flags,
8884 NL80211_SCAN_FLAG_LOW_SPAN,
8885 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8886 !nl80211_check_scan_feat(wiphy, *flags,
8887 NL80211_SCAN_FLAG_LOW_POWER,
8888 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8889 !nl80211_check_scan_feat(wiphy, *flags,
8890 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8891 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8892 !nl80211_check_scan_feat(wiphy, *flags,
8893 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8894 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8895 !nl80211_check_scan_feat(wiphy, *flags,
8896 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8897 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8898 !nl80211_check_scan_feat(wiphy, *flags,
8899 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8900 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8901 !nl80211_check_scan_feat(wiphy, *flags,
8902 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
2e076f19
JB		 8903 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8904 !nl80211_check_scan_feat(wiphy, *flags,
8905 NL80211_SCAN_FLAG_RANDOM_SN,
8906 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8907 !nl80211_check_scan_feat(wiphy, *flags,
8908 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8909 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
2d23d073
RZ		 8910 return -EOPNOTSUPP;
8911
8912 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8913 int err;
8914
8915 if (!(wiphy->features & randomness_flag) ||
7b0a0e3c 8916 (wdev && wdev->connected))
2d23d073
RZ		 8917 return -EOPNOTSUPP;
8918
8919 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8920 if (err)
8921 return err;
8922 }
8923
2d23d073
RZ		 8924 return 0;
8925}
8926
2a519311
JB		 8927static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8928{
4c476991 8929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fd014284 8930 struct wireless_dev *wdev = info->user_ptr[1];
2a519311 8931 struct cfg80211_scan_request *request;
2032f3b2
TP		 8932 struct nlattr *scan_freqs = NULL;
8933 bool scan_freqs_khz = false;
2a519311
JB		 8934 struct nlattr *attr;
8935 struct wiphy *wiphy;
83f5e2cf 8936 int err, tmp, n_ssids = 0, n_channels, i;
70692ad2 8937 size_t ie_len;
2a519311 8938
79c97e97 8939 wiphy = &rdev->wiphy;
2a519311 8940
cb3b7d87
AB		 8941 if (wdev->iftype == NL80211_IFTYPE_NAN)
8942 return -EOPNOTSUPP;
8943
4c476991
JB		 8944 if (!rdev->ops->scan)
8945 return -EOPNOTSUPP;
2a519311 8946
83286856
CJ		 8947 if (rdev->scan_req || rdev->scan_msg)
8948 return -EBUSY;
2a519311 8949
2032f3b2
TP		 8950 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8951 if (!wiphy_ext_feature_isset(wiphy,
8952 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8953 return -EOPNOTSUPP;
8954 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8955 scan_freqs_khz = true;
8956 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8957 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8958
8959 if (scan_freqs) {
8960 n_channels = validate_scan_freqs(scan_freqs);
83286856
CJ		 8961 if (!n_channels)
8962 return -EINVAL;
2a519311 8963 } else {
bdfbec2d 8964 n_channels = ieee80211_get_num_supported_channels(wiphy);
2a519311
JB		 8965 }
8966
8967 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8968 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8969 n_ssids++;
8970
83286856
CJ		 8971 if (n_ssids > wiphy->max_scan_ssids)
8972 return -EINVAL;
2a519311 8973
70692ad2
JM		 8974 if (info->attrs[NL80211_ATTR_IE])
8975 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8976 else
8977 ie_len = 0;
8978
83286856
CJ		 8979 if (ie_len > wiphy->max_scan_ie_len)
8980 return -EINVAL;
18a83659 8981
2a519311 8982 request = kzalloc(sizeof(*request)
a2cd43c5
LC		 8983 + sizeof(*request->ssids) * n_ssids
8984 + sizeof(*request->channels) * n_channels
70692ad2 8985 + ie_len, GFP_KERNEL);
83286856
CJ		 8986 if (!request)
8987 return -ENOMEM;
2a519311 8988
2a519311 8989 if (n_ssids)
5ba63533 8990 request->ssids = (void *)&request->channels[n_channels];
2a519311 8991 request->n_ssids = n_ssids;
70692ad2 8992 if (ie_len) {
13874e4b 8993 if (n_ssids)
70692ad2
JM		 8994 request->ie = (void *)(request->ssids + n_ssids);
8995 else
8996 request->ie = (void *)(request->channels + n_channels);
8997 }
2a519311 8998
584991dc 8999 i = 0;
2032f3b2 9000 if (scan_freqs) {
2a519311 9001 /* user specified, bail out if channel not found */
2032f3b2 9002 nla_for_each_nested(attr, scan_freqs, tmp) {
584991dc 9003 struct ieee80211_channel *chan;
2032f3b2 9004 int freq = nla_get_u32(attr);
584991dc 9005
2032f3b2
TP		 9006 if (!scan_freqs_khz)
9007 freq = MHZ_TO_KHZ(freq);
584991dc 9008
2032f3b2 9009 chan = ieee80211_get_channel_khz(wiphy, freq);
584991dc 9010 if (!chan) {
2a519311
JB		 9011 err = -EINVAL;
9012 goto out_free;
9013 }
584991dc
JB		 9014
9015 /* ignore disabled channels */
9016 if (chan->flags & IEEE80211_CHAN_DISABLED)
9017 continue;
9018
9019 request->channels[i] = chan;
2a519311
JB		 9020 i++;
9021 }
9022 } else {
57fbcce3 9023 enum nl80211_band band;
34850ab2 9024
2a519311 9025 /* all channels */
57fbcce3 9026 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2a519311 9027 int j;
7a087e74 9028
2a519311
JB		 9029 if (!wiphy->bands[band])
9030 continue;
9031 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
584991dc
JB		 9032 struct ieee80211_channel *chan;
9033
9034 chan = &wiphy->bands[band]->channels[j];
9035
9036 if (chan->flags & IEEE80211_CHAN_DISABLED)
9037 continue;
9038
9039 request->channels[i] = chan;
2a519311
JB		 9040 i++;
9041 }
9042 }
9043 }
9044
584991dc
JB		 9045 if (!i) {
9046 err = -EINVAL;
9047 goto out_free;
9048 }
9049
9050 request->n_channels = i;
9051
34373d12 9052 wdev_lock(wdev);
7b0a0e3c
JB		 9053 for (i = 0; i < request->n_channels; i++) {
9054 struct ieee80211_channel *chan = request->channels[i];
34373d12 9055
7b0a0e3c
JB		 9056 /* if we can go off-channel to the target channel we're good */
9057 if (cfg80211_off_channel_oper_allowed(wdev, chan))
9058 continue;
34373d12 9059
7b0a0e3c 9060 if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
34373d12
VT		 9061 wdev_unlock(wdev);
9062 err = -EBUSY;
9063 goto out_free;
9064 }
9065 }
9066 wdev_unlock(wdev);
9067
2a519311 9068 i = 0;
13874e4b 9069 if (n_ssids) {
2a519311 9070 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
57a27e1d 9071 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
2a519311
JB		 9072 err = -EINVAL;
9073 goto out_free;
9074 }
57a27e1d 9075 request->ssids[i].ssid_len = nla_len(attr);
2a519311 9076 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2a519311
JB		 9077 i++;
9078 }
9079 }
9080
70692ad2
JM		 9081 if (info->attrs[NL80211_ATTR_IE]) {
9082 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
de95a54b
JB		 9083 memcpy((void *)request->ie,
9084 nla_data(info->attrs[NL80211_ATTR_IE]),
70692ad2
JM		 9085 request->ie_len);
9086 }
9087
57fbcce3 9088 for (i = 0; i < NUM_NL80211_BANDS; i++)
a401d2bb
JB		 9089 if (wiphy->bands[i])
9090 request->rates[i] =
9091 (1 << wiphy->bands[i]->n_bitrates) - 1;
34850ab2
JB		 9092
9093 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
9094 nla_for_each_nested(attr,
9095 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
9096 tmp) {
57fbcce3 9097 enum nl80211_band band = nla_type(attr);
34850ab2 9098
57fbcce3 9099 if (band < 0 || band >= NUM_NL80211_BANDS) {
34850ab2
JB		 9100 err = -EINVAL;
9101 goto out_free;
9102 }
1b09cd82
FF		 9103
9104 if (!wiphy->bands[band])
9105 continue;
9106
34850ab2
JB		 9107 err = ieee80211_get_ratemask(wiphy->bands[band],
9108 nla_data(attr),
9109 nla_len(attr),
9110 &request->rates[band]);
9111 if (err)
9112 goto out_free;
9113 }
9114 }
9115
1d76250b 9116 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
1d76250b
AS		 9117 request->duration =
9118 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
9119 request->duration_mandatory =
9120 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
9121 }
9122
2d23d073
RZ		 9123 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
9124 false);
9125 if (err)
9126 goto out_free;
ed473771 9127
e9f935e3
RM		 9128 request->no_cck =
9129 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9130
2fa436b3
VK		 9131 /* Initial implementation used NL80211_ATTR_MAC to set the specific
9132 * BSSID to scan for. This was problematic because that same attribute
9133 * was already used for another purpose (local random MAC address). The
9134 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
9135 * compatibility with older userspace components, also use the
9136 * NL80211_ATTR_MAC value here if it can be determined to be used for
9137 * the specific BSSID use case instead of the random MAC address
9138 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
9139 */
9140 if (info->attrs[NL80211_ATTR_BSSID])
9141 memcpy(request->bssid,
9142 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
9143 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
9144 info->attrs[NL80211_ATTR_MAC])
818965d3
JM		 9145 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
9146 ETH_ALEN);
9147 else
9148 eth_broadcast_addr(request->bssid);
9149
fd014284 9150 request->wdev = wdev;
79c97e97 9151 request->wiphy = &rdev->wiphy;
15d6030b 9152 request->scan_start = jiffies;
2a519311 9153
79c97e97 9154 rdev->scan_req = request;
c8cb5b85 9155 err = cfg80211_scan(rdev);
2a519311 9156
504776be
CJ		 9157 if (err)
9158 goto out_free;
9159
9160 nl80211_send_scan_start(rdev, wdev);
1160dfa1 9161 dev_hold(wdev->netdev);
504776be
CJ		 9162
9163 return 0;
9164
2a519311 9165 out_free:
504776be
CJ		 9166 rdev->scan_req = NULL;
9167 kfree(request);
3b85875a 9168
2a519311
JB		 9169 return err;
9170}
9171
91d3ab46
VK		 9172static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
9173{
9174 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9175 struct wireless_dev *wdev = info->user_ptr[1];
9176
9177 if (!rdev->ops->abort_scan)
9178 return -EOPNOTSUPP;
9179
9180 if (rdev->scan_msg)
9181 return 0;
9182
9183 if (!rdev->scan_req)
9184 return -ENOENT;
9185
9186 rdev_abort_scan(rdev, wdev);
9187 return 0;
9188}
9189
3b06d277
AS		 9190static int
9191nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
9192 struct cfg80211_sched_scan_request *request,
9193 struct nlattr **attrs)
9194{
9195 int tmp, err, i = 0;
9196 struct nlattr *attr;
9197
9198 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9199 u32 interval;
9200
9201 /*
9202 * If scan plans are not specified,
5a88de53 9203 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
3b06d277
AS		 9204 * case one scan plan will be set with the specified scan
9205 * interval and infinite number of iterations.
9206 */
3b06d277
AS		 9207 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
9208 if (!interval)
9209 return -EINVAL;
9210
9211 request->scan_plans[0].interval =
9212 DIV_ROUND_UP(interval, MSEC_PER_SEC);
9213 if (!request->scan_plans[0].interval)
9214 return -EINVAL;
9215
9216 if (request->scan_plans[0].interval >
9217 wiphy->max_sched_scan_plan_interval)
9218 request->scan_plans[0].interval =
9219 wiphy->max_sched_scan_plan_interval;
9220
9221 return 0;
9222 }
9223
9224 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
9225 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
9226
9227 if (WARN_ON(i >= n_plans))
9228 return -EINVAL;
9229
8cb08174
JB		 9230 err = nla_parse_nested_deprecated(plan,
9231 NL80211_SCHED_SCAN_PLAN_MAX,
9232 attr, nl80211_plan_policy,
9233 NULL);
3b06d277
AS		 9234 if (err)
9235 return err;
9236
9237 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
9238 return -EINVAL;
9239
9240 request->scan_plans[i].interval =
9241 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
9242 if (!request->scan_plans[i].interval ||
9243 request->scan_plans[i].interval >
9244 wiphy->max_sched_scan_plan_interval)
9245 return -EINVAL;
9246
9247 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
9248 request->scan_plans[i].iterations =
9249 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
9250 if (!request->scan_plans[i].iterations ||
9251 (request->scan_plans[i].iterations >
9252 wiphy->max_sched_scan_plan_iterations))
9253 return -EINVAL;
9254 } else if (i < n_plans - 1) {
9255 /*
9256 * All scan plans but the last one must specify
9257 * a finite number of iterations
9258 */
9259 return -EINVAL;
9260 }
9261
9262 i++;
9263 }
9264
9265 /*
9266 * The last scan plan must not specify the number of
9267 * iterations, it is supposed to run infinitely
9268 */
9269 if (request->scan_plans[n_plans - 1].iterations)
9270 return -EINVAL;
9271
9272 return 0;
9273}
9274
1e1b11b6 9275static int
9276nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
9277 struct cfg80211_match_set *match_sets,
9278 struct nlattr *tb_band_rssi,
9279 s32 rssi_thold)
9280{
9281 struct nlattr *attr;
9282 int i, tmp, ret = 0;
9283
9284 if (!wiphy_ext_feature_isset(wiphy,
9285 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
9286 if (tb_band_rssi)
9287 ret = -EOPNOTSUPP;
9288 else
9289 for (i = 0; i < NUM_NL80211_BANDS; i++)
9290 match_sets->per_band_rssi_thold[i] =
9291 NL80211_SCAN_RSSI_THOLD_OFF;
9292 return ret;
9293 }
9294
9295 for (i = 0; i < NUM_NL80211_BANDS; i++)
9296 match_sets->per_band_rssi_thold[i] = rssi_thold;
9297
9298 nla_for_each_nested(attr, tb_band_rssi, tmp) {
9299 enum nl80211_band band = nla_type(attr);
9300
9301 if (band < 0 || band >= NUM_NL80211_BANDS)
9302 return -EINVAL;
9303
9304 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
9305 }
9306
9307 return 0;
9308}
9309
256da02d 9310static struct cfg80211_sched_scan_request *
ad2b26ab 9311nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
aad1e812 9312 struct nlattr **attrs, int max_match_sets)
807f8a8c
LC		 9313{
9314 struct cfg80211_sched_scan_request *request;
807f8a8c 9315 struct nlattr *attr;
3b06d277 9316 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
57fbcce3 9317 enum nl80211_band band;
807f8a8c 9318 size_t ie_len;
a1f1c21c 9319 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
ea73cbce 9320 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
807f8a8c 9321
256da02d 9322 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c 9323 n_channels = validate_scan_freqs(
256da02d 9324 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
807f8a8c 9325 if (!n_channels)
256da02d 9326 return ERR_PTR(-EINVAL);
807f8a8c 9327 } else {
bdfbec2d 9328 n_channels = ieee80211_get_num_supported_channels(wiphy);
807f8a8c
LC		 9329 }
9330
256da02d
LC		 9331 if (attrs[NL80211_ATTR_SCAN_SSIDS])
9332 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c
LC		 9333 tmp)
9334 n_ssids++;
9335
93b6aa69 9336 if (n_ssids > wiphy->max_sched_scan_ssids)
256da02d 9337 return ERR_PTR(-EINVAL);
807f8a8c 9338
ea73cbce
JB		 9339 /*
9340 * First, count the number of 'real' matchsets. Due to an issue with
9341 * the old implementation, matchsets containing only the RSSI attribute
9342 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
9343 * RSSI for all matchsets, rather than their own matchset for reporting
9344 * all APs with a strong RSSI. This is needed to be compatible with
9345 * older userspace that treated a matchset with only the RSSI as the
9346 * global RSSI for all other matchsets - if there are other matchsets.
9347 */
256da02d 9348 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 9349 nla_for_each_nested(attr,
256da02d 9350 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
ea73cbce
JB		 9351 tmp) {
9352 struct nlattr *rssi;
9353
8cb08174
JB		 9354 err = nla_parse_nested_deprecated(tb,
9355 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9356 attr,
9357 nl80211_match_policy,
9358 NULL);
ea73cbce 9359 if (err)
256da02d 9360 return ERR_PTR(err);
3007e352
AVS		 9361
9362 /* SSID and BSSID are mutually exclusive */
9363 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
9364 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
9365 return ERR_PTR(-EINVAL);
9366
ea73cbce 9367 /* add other standalone attributes here */
3007e352
AVS		 9368 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
9369 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
ea73cbce
JB		 9370 n_match_sets++;
9371 continue;
9372 }
9373 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9374 if (rssi)
9375 default_match_rssi = nla_get_s32(rssi);
9376 }
9377 }
9378
9379 /* However, if there's no other matchset, add the RSSI one */
9380 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
9381 n_match_sets = 1;
a1f1c21c 9382
aad1e812 9383 if (n_match_sets > max_match_sets)
256da02d 9384 return ERR_PTR(-EINVAL);
a1f1c21c 9385
256da02d
LC		 9386 if (attrs[NL80211_ATTR_IE])
9387 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
807f8a8c
LC		 9388 else
9389 ie_len = 0;
9390
5a865bad 9391 if (ie_len > wiphy->max_sched_scan_ie_len)
256da02d 9392 return ERR_PTR(-EINVAL);
c10841ca 9393
3b06d277
AS		 9394 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9395 /*
9396 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
9397 * each scan plan already specifies its own interval
9398 */
9399 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9400 return ERR_PTR(-EINVAL);
9401
9402 nla_for_each_nested(attr,
9403 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
9404 n_plans++;
9405 } else {
9406 /*
9407 * The scan interval attribute is kept for backward
9408 * compatibility. If no scan plans are specified and sched scan
9409 * interval is specified, one scan plan will be set with this
9410 * scan interval and infinite number of iterations.
9411 */
9412 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9413 return ERR_PTR(-EINVAL);
9414
9415 n_plans = 1;
9416 }
9417
9418 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
9419 return ERR_PTR(-EINVAL);
9420
bf95ecdb 9421 if (!wiphy_ext_feature_isset(
9422 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
9423 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
9424 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
9425 return ERR_PTR(-EINVAL);
9426
807f8a8c 9427 request = kzalloc(sizeof(*request)
a2cd43c5 9428 + sizeof(*request->ssids) * n_ssids
a1f1c21c 9429 + sizeof(*request->match_sets) * n_match_sets
3b06d277 9430 + sizeof(*request->scan_plans) * n_plans
a2cd43c5 9431 + sizeof(*request->channels) * n_channels
807f8a8c 9432 + ie_len, GFP_KERNEL);
256da02d
LC		 9433 if (!request)
9434 return ERR_PTR(-ENOMEM);
807f8a8c
LC		 9435
9436 if (n_ssids)
9437 request->ssids = (void *)&request->channels[n_channels];
9438 request->n_ssids = n_ssids;
9439 if (ie_len) {
13874e4b 9440 if (n_ssids)
807f8a8c
LC		 9441 request->ie = (void *)(request->ssids + n_ssids);
9442 else
9443 request->ie = (void *)(request->channels + n_channels);
9444 }
9445
a1f1c21c
LC		 9446 if (n_match_sets) {
9447 if (request->ie)
9448 request->match_sets = (void *)(request->ie + ie_len);
13874e4b 9449 else if (n_ssids)
a1f1c21c
LC		 9450 request->match_sets =
9451 (void *)(request->ssids + n_ssids);
9452 else
9453 request->match_sets =
9454 (void *)(request->channels + n_channels);
9455 }
9456 request->n_match_sets = n_match_sets;
9457
3b06d277
AS		 9458 if (n_match_sets)
9459 request->scan_plans = (void *)(request->match_sets +
9460 n_match_sets);
9461 else if (request->ie)
9462 request->scan_plans = (void *)(request->ie + ie_len);
9463 else if (n_ssids)
9464 request->scan_plans = (void *)(request->ssids + n_ssids);
9465 else
9466 request->scan_plans = (void *)(request->channels + n_channels);
9467
9468 request->n_scan_plans = n_plans;
9469
807f8a8c 9470 i = 0;
256da02d 9471 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c
LC		 9472 /* user specified, bail out if channel not found */
9473 nla_for_each_nested(attr,
256da02d 9474 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
807f8a8c
LC		 9475 tmp) {
9476 struct ieee80211_channel *chan;
9477
9478 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
9479
9480 if (!chan) {
9481 err = -EINVAL;
9482 goto out_free;
9483 }
9484
9485 /* ignore disabled channels */
9486 if (chan->flags & IEEE80211_CHAN_DISABLED)
9487 continue;
9488
9489 request->channels[i] = chan;
9490 i++;
9491 }
9492 } else {
9493 /* all channels */
57fbcce3 9494 for (band = 0; band < NUM_NL80211_BANDS; band++) {
807f8a8c 9495 int j;
7a087e74 9496
807f8a8c
LC		 9497 if (!wiphy->bands[band])
9498 continue;
9499 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9500 struct ieee80211_channel *chan;
9501
9502 chan = &wiphy->bands[band]->channels[j];
9503
9504 if (chan->flags & IEEE80211_CHAN_DISABLED)
9505 continue;
9506
9507 request->channels[i] = chan;
9508 i++;
9509 }
9510 }
9511 }
9512
9513 if (!i) {
9514 err = -EINVAL;
9515 goto out_free;
9516 }
9517
9518 request->n_channels = i;
9519
9520 i = 0;
13874e4b 9521 if (n_ssids) {
256da02d 9522 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c 9523 tmp) {
57a27e1d 9524 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
807f8a8c
LC		 9525 err = -EINVAL;
9526 goto out_free;
9527 }
57a27e1d 9528 request->ssids[i].ssid_len = nla_len(attr);
807f8a8c
LC		 9529 memcpy(request->ssids[i].ssid, nla_data(attr),
9530 nla_len(attr));
807f8a8c
LC		 9531 i++;
9532 }
9533 }
9534
a1f1c21c 9535 i = 0;
256da02d 9536 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 9537 nla_for_each_nested(attr,
256da02d 9538 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
a1f1c21c 9539 tmp) {
3007e352 9540 struct nlattr *ssid, *bssid, *rssi;
a1f1c21c 9541
8cb08174
JB		 9542 err = nla_parse_nested_deprecated(tb,
9543 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9544 attr,
9545 nl80211_match_policy,
9546 NULL);
ae811e21
JB		 9547 if (err)
9548 goto out_free;
4a4ab0d7 9549 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
3007e352 9550 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
d39f3b4f
JB		 9551
9552 if (!ssid && !bssid) {
9553 i++;
9554 continue;
9555 }
9556
9557 if (WARN_ON(i >= n_match_sets)) {
9558 /* this indicates a programming error,
9559 * the loop above should have verified
9560 * things properly
9561 */
9562 err = -EINVAL;
9563 goto out_free;
9564 }
9565
9566 if (ssid) {
d39f3b4f
JB		 9567 memcpy(request->match_sets[i].ssid.ssid,
9568 nla_data(ssid), nla_len(ssid));
9569 request->match_sets[i].ssid.ssid_len =
9570 nla_len(ssid);
9571 }
cb9abd48 9572 if (bssid)
d39f3b4f
JB		 9573 memcpy(request->match_sets[i].bssid,
9574 nla_data(bssid), ETH_ALEN);
3007e352 9575
d39f3b4f
JB		 9576 /* special attribute - old implementation w/a */
9577 request->match_sets[i].rssi_thold = default_match_rssi;
9578 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9579 if (rssi)
ea73cbce 9580 request->match_sets[i].rssi_thold =
d39f3b4f 9581 nla_get_s32(rssi);
1e1b11b6 9582
9583 /* Parse per band RSSI attribute */
9584 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
9585 &request->match_sets[i],
9586 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
9587 request->match_sets[i].rssi_thold);
9588 if (err)
9589 goto out_free;
9590
a1f1c21c
LC		 9591 i++;
9592 }
ea73cbce
JB		 9593
9594 /* there was no other matchset, so the RSSI one is alone */
f89f46cf 9595 if (i == 0 && n_match_sets)
ea73cbce
JB		 9596 request->match_sets[0].rssi_thold = default_match_rssi;
9597
9598 request->min_rssi_thold = INT_MAX;
9599 for (i = 0; i < n_match_sets; i++)
9600 request->min_rssi_thold =
9601 min(request->match_sets[i].rssi_thold,
9602 request->min_rssi_thold);
9603 } else {
9604 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
a1f1c21c
LC		 9605 }
9606
9900e484
JB		 9607 if (ie_len) {
9608 request->ie_len = ie_len;
807f8a8c 9609 memcpy((void *)request->ie,
256da02d 9610 nla_data(attrs[NL80211_ATTR_IE]),
807f8a8c
LC		 9611 request->ie_len);
9612 }
9613
2d23d073
RZ		 9614 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
9615 if (err)
9616 goto out_free;
ed473771 9617
9c748934
LC		 9618 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
9619 request->delay =
9620 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
9621
bf95ecdb 9622 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
9623 request->relative_rssi = nla_get_s8(
9624 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
9625 request->relative_rssi_set = true;
9626 }
9627
9628 if (request->relative_rssi_set &&
9629 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
9630 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
9631
9632 rssi_adjust = nla_data(
9633 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
9634 request->rssi_adjust.band = rssi_adjust->band;
9635 request->rssi_adjust.delta = rssi_adjust->delta;
9636 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
9637 err = -EINVAL;
9638 goto out_free;
9639 }
9640 }
9641
3b06d277
AS		 9642 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
9643 if (err)
9644 goto out_free;
9645
15d6030b 9646 request->scan_start = jiffies;
807f8a8c 9647
256da02d 9648 return request;
807f8a8c
LC		 9649
9650out_free:
9651 kfree(request);
256da02d
LC		 9652 return ERR_PTR(err);
9653}
9654
9655static int nl80211_start_sched_scan(struct sk_buff *skb,
9656 struct genl_info *info)
9657{
9658 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9659 struct net_device *dev = info->user_ptr[1];
ad2b26ab 9660 struct wireless_dev *wdev = dev->ieee80211_ptr;
31a60ed1 9661 struct cfg80211_sched_scan_request *sched_scan_req;
ca986ad9 9662 bool want_multi;
256da02d
LC		 9663 int err;
9664
ca986ad9 9665 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
256da02d
LC		 9666 return -EOPNOTSUPP;
9667
ca986ad9
AVS		 9668 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9669 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9670 if (err)
9671 return err;
256da02d 9672
31a60ed1 9673 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
aad1e812
AVS		 9674 info->attrs,
9675 rdev->wiphy.max_match_sets);
31a60ed1
JR		 9676
9677 err = PTR_ERR_OR_ZERO(sched_scan_req);
256da02d
LC		 9678 if (err)
9679 goto out_err;
9680
ca986ad9
AVS		 9681 /* leave request id zero for legacy request
9682 * or if driver does not support multi-scheduled scan
9683 */
2fd351a8
DK		 9684 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9685 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
ca986ad9 9686
31a60ed1 9687 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
256da02d
LC		 9688 if (err)
9689 goto out_free;
9690
31a60ed1
JR		 9691 sched_scan_req->dev = dev;
9692 sched_scan_req->wiphy = &rdev->wiphy;
9693
93a1e86c
JR		 9694 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9695 sched_scan_req->owner_nlportid = info->snd_portid;
9696
ca986ad9 9697 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
256da02d 9698
96b08fd6 9699 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
256da02d
LC		 9700 return 0;
9701
9702out_free:
31a60ed1 9703 kfree(sched_scan_req);
256da02d 9704out_err:
807f8a8c
LC		 9705 return err;
9706}
9707
9708static int nl80211_stop_sched_scan(struct sk_buff *skb,
9709 struct genl_info *info)
9710{
ca986ad9 9711 struct cfg80211_sched_scan_request *req;
807f8a8c 9712 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ca986ad9 9713 u64 cookie;
807f8a8c 9714
ca986ad9 9715 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
807f8a8c
LC		 9716 return -EOPNOTSUPP;
9717
ca986ad9
AVS		 9718 if (info->attrs[NL80211_ATTR_COOKIE]) {
9719 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9720 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9721 }
9722
9723 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9724 struct cfg80211_sched_scan_request,
9725 list);
9726 if (!req || req->reqid ||
9727 (req->owner_nlportid &&
9728 req->owner_nlportid != info->snd_portid))
9729 return -ENOENT;
9730
9731 return cfg80211_stop_sched_scan_req(rdev, req, false);
807f8a8c
LC		 9732}
9733
04f39047
SW		 9734static int nl80211_start_radar_detection(struct sk_buff *skb,
9735 struct genl_info *info)
9736{
9737 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9738 struct net_device *dev = info->user_ptr[1];
9739 struct wireless_dev *wdev = dev->ieee80211_ptr;
13cf6dec 9740 struct wiphy *wiphy = wdev->wiphy;
04f39047 9741 struct cfg80211_chan_def chandef;
55f7435c 9742 enum nl80211_dfs_regions dfs_region;
31559f35 9743 unsigned int cac_time_ms;
84158164
LB		 9744 int err = -EINVAL;
9745
9746 flush_delayed_work(&rdev->dfs_update_channels_wk);
9747
9748 wiphy_lock(wiphy);
04f39047 9749
13cf6dec 9750 dfs_region = reg_get_dfs_region(wiphy);
55f7435c 9751 if (dfs_region == NL80211_DFS_UNSET)
84158164 9752 goto unlock;
55f7435c 9753
04f39047
SW		 9754 err = nl80211_parse_chandef(rdev, info, &chandef);
9755 if (err)
84158164 9756 goto unlock;
04f39047 9757
13cf6dec 9758 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
04f39047 9759 if (err < 0)
84158164 9760 goto unlock;
04f39047 9761
84158164
LB		 9762 if (err == 0) {
9763 err = -EINVAL;
9764 goto unlock;
9765 }
04f39047 9766
84158164
LB		 9767 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) {
9768 err = -EINVAL;
9769 goto unlock;
9770 }
04f39047 9771
a95bfb87
LB		 9772 if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) {
9773 err = cfg80211_start_background_radar_detection(rdev, wdev,
9774 &chandef);
84158164
LB		 9775 goto unlock;
9776 }
bc2dfc02 9777
84158164
LB		 9778 if (netif_carrier_ok(dev)) {
9779 err = -EBUSY;
9780 goto unlock;
9781 }
bc2dfc02 9782
84158164
LB		 9783 if (wdev->cac_started) {
9784 err = -EBUSY;
9785 goto unlock;
9786 }
bc2dfc02 9787
13cf6dec 9788 /* CAC start is offloaded to HW and can't be started manually */
84158164
LB		 9789 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) {
9790 err = -EOPNOTSUPP;
9791 goto unlock;
9792 }
13cf6dec 9793
84158164
LB		 9794 if (!rdev->ops->start_radar_detection) {
9795 err = -EOPNOTSUPP;
9796 goto unlock;
9797 }
04f39047 9798
31559f35
JD		 9799 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9800 if (WARN_ON(!cac_time_ms))
9801 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9802
a1056b1b 9803 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
04f39047 9804 if (!err) {
7b0a0e3c 9805 wdev->links[0].ap.chandef = chandef;
04f39047
SW		 9806 wdev->cac_started = true;
9807 wdev->cac_start_time = jiffies;
31559f35 9808 wdev->cac_time_ms = cac_time_ms;
04f39047 9809 }
84158164
LB		 9810unlock:
9811 wiphy_unlock(wiphy);
9812
04f39047
SW		 9813 return err;
9814}
9815
30c63115
S		 9816static int nl80211_notify_radar_detection(struct sk_buff *skb,
9817 struct genl_info *info)
9818{
9819 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9820 struct net_device *dev = info->user_ptr[1];
9821 struct wireless_dev *wdev = dev->ieee80211_ptr;
9822 struct wiphy *wiphy = wdev->wiphy;
9823 struct cfg80211_chan_def chandef;
9824 enum nl80211_dfs_regions dfs_region;
9825 int err;
9826
9827 dfs_region = reg_get_dfs_region(wiphy);
9828 if (dfs_region == NL80211_DFS_UNSET) {
9829 GENL_SET_ERR_MSG(info,
9830 "DFS Region is not set. Unexpected Radar indication");
9831 return -EINVAL;
9832 }
9833
9834 err = nl80211_parse_chandef(rdev, info, &chandef);
9835 if (err) {
9836 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9837 return err;
9838 }
9839
9840 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9841 if (err < 0) {
9842 GENL_SET_ERR_MSG(info, "chandef is invalid");
9843 return err;
9844 }
9845
9846 if (err == 0) {
9847 GENL_SET_ERR_MSG(info,
9848 "Unexpected Radar indication for chandef/iftype");
9849 return -EINVAL;
9850 }
9851
9852 /* Do not process this notification if radar is already detected
9853 * by kernel on this channel, and return success.
9854 */
9855 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9856 return 0;
9857
9858 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9859
9860 cfg80211_sched_dfs_chan_update(rdev);
9861
a680fe46 9862 rdev->radar_chandef = chandef;
30c63115
S		 9863
9864 /* Propagate this notification to other radios as well */
9865 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9866
9867 return 0;
9868}
9869
16ef1fe2
SW		 9870static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9871{
9872 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 9873 unsigned int link_id = nl80211_link_id(info->attrs);
16ef1fe2
SW		 9874 struct net_device *dev = info->user_ptr[1];
9875 struct wireless_dev *wdev = dev->ieee80211_ptr;
9876 struct cfg80211_csa_settings params;
a05829a7 9877 struct nlattr **csa_attrs = NULL;
16ef1fe2 9878 int err;
ee4bc9e7 9879 bool need_new_beacon = false;
8d9de16f 9880 bool need_handle_dfs_flag = true;
9a774c78 9881 int len, i;
252e07ca 9882 u32 cs_count;
16ef1fe2
SW		 9883
9884 if (!rdev->ops->channel_switch ||
9885 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9886 return -EOPNOTSUPP;
9887
ee4bc9e7
SW		 9888 switch (dev->ieee80211_ptr->iftype) {
9889 case NL80211_IFTYPE_AP:
9890 case NL80211_IFTYPE_P2P_GO:
9891 need_new_beacon = true;
8d9de16f
BB		 9892 /* For all modes except AP the handle_dfs flag needs to be
9893 * supplied to tell the kernel that userspace will handle radar
9894 * events when they happen. Otherwise a switch to a channel
9895 * requiring DFS will be rejected.
9896 */
9897 need_handle_dfs_flag = false;
ee4bc9e7
SW		 9898
9899 /* useless if AP is not running */
7b0a0e3c 9900 if (!wdev->links[link_id].ap.beacon_interval)
1ff79dfa 9901 return -ENOTCONN;
ee4bc9e7
SW		 9902 break;
9903 case NL80211_IFTYPE_ADHOC:
7b0a0e3c 9904 if (!wdev->u.ibss.ssid_len)
1ff79dfa
JB		 9905 return -ENOTCONN;
9906 break;
c6da674a 9907 case NL80211_IFTYPE_MESH_POINT:
7b0a0e3c 9908 if (!wdev->u.mesh.id_len)
1ff79dfa 9909 return -ENOTCONN;
ee4bc9e7
SW		 9910 break;
9911 default:
16ef1fe2 9912 return -EOPNOTSUPP;
ee4bc9e7 9913 }
16ef1fe2
SW		 9914
9915 memset(&params, 0, sizeof(params));
c177db2d 9916 params.beacon_csa.ftm_responder = -1;
16ef1fe2
SW		 9917
9918 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9919 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9920 return -EINVAL;
9921
9922 /* only important for AP, IBSS and mesh create IEs internally */
d0a361a5 9923 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
16ef1fe2
SW		 9924 return -EINVAL;
9925
252e07ca
LC		 9926 /* Even though the attribute is u32, the specification says
9927 * u8, so let's make sure we don't overflow.
9928 */
9929 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9930 if (cs_count > 255)
9931 return -EINVAL;
9932
9933 params.count = cs_count;
16ef1fe2 9934
ee4bc9e7
SW		 9935 if (!need_new_beacon)
9936 goto skip_beacons;
9937
81e54d08 9938 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_after);
16ef1fe2 9939 if (err)
dc1e3cb8 9940 goto free;
16ef1fe2 9941
a05829a7
JB		 9942 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
9943 GFP_KERNEL);
dc1e3cb8
JC		 9944 if (!csa_attrs) {
9945 err = -ENOMEM;
9946 goto free;
9947 }
a05829a7 9948
8cb08174
JB		 9949 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9950 info->attrs[NL80211_ATTR_CSA_IES],
9951 nl80211_policy, info->extack);
16ef1fe2 9952 if (err)
a05829a7 9953 goto free;
16ef1fe2 9954
81e54d08 9955 err = nl80211_parse_beacon(rdev, csa_attrs, &params.beacon_csa);
16ef1fe2 9956 if (err)
a05829a7 9957 goto free;
16ef1fe2 9958
a05829a7
JB		 9959 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
9960 err = -EINVAL;
9961 goto free;
9962 }
16ef1fe2 9963
00c207ed 9964 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
a05829a7
JB		 9965 if (!len || (len % sizeof(u16))) {
9966 err = -EINVAL;
9967 goto free;
9968 }
16ef1fe2 9969
9a774c78
AO		 9970 params.n_counter_offsets_beacon = len / sizeof(u16);
9971 if (rdev->wiphy.max_num_csa_counters &&
9972 (params.n_counter_offsets_beacon >
a05829a7
JB		 9973 rdev->wiphy.max_num_csa_counters)) {
9974 err = -EINVAL;
9975 goto free;
9976 }
16ef1fe2 9977
9a774c78 9978 params.counter_offsets_beacon =
00c207ed 9979 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9a774c78
AO		 9980
9981 /* sanity checks - counters should fit and be the same */
9982 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9983 u16 offset = params.counter_offsets_beacon[i];
9984
a05829a7
JB		 9985 if (offset >= params.beacon_csa.tail_len) {
9986 err = -EINVAL;
9987 goto free;
9988 }
9a774c78 9989
a05829a7
JB		 9990 if (params.beacon_csa.tail[offset] != params.count) {
9991 err = -EINVAL;
9992 goto free;
9993 }
9a774c78
AO		 9994 }
9995
00c207ed
JC		 9996 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9997 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
a05829a7
JB		 9998 if (!len || (len % sizeof(u16))) {
9999 err = -EINVAL;
10000 goto free;
10001 }
16ef1fe2 10002
9a774c78
AO		 10003 params.n_counter_offsets_presp = len / sizeof(u16);
10004 if (rdev->wiphy.max_num_csa_counters &&
ad5987b4 10005 (params.n_counter_offsets_presp >
a05829a7
JB		 10006 rdev->wiphy.max_num_csa_counters)) {
10007 err = -EINVAL;
10008 goto free;
10009 }
9a774c78
AO		 10010
10011 params.counter_offsets_presp =
00c207ed 10012 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9a774c78
AO		 10013
10014 /* sanity checks - counters should fit and be the same */
10015 for (i = 0; i < params.n_counter_offsets_presp; i++) {
10016 u16 offset = params.counter_offsets_presp[i];
10017
a05829a7
JB		 10018 if (offset >= params.beacon_csa.probe_resp_len) {
10019 err = -EINVAL;
10020 goto free;
10021 }
9a774c78
AO		 10022
10023 if (params.beacon_csa.probe_resp[offset] !=
a05829a7
JB		 10024 params.count) {
10025 err = -EINVAL;
10026 goto free;
10027 }
9a774c78 10028 }
16ef1fe2
SW		 10029 }
10030
ee4bc9e7 10031skip_beacons:
16ef1fe2
SW		 10032 err = nl80211_parse_chandef(rdev, info, &params.chandef);
10033 if (err)
a05829a7 10034 goto free;
16ef1fe2 10035
923b352f 10036 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
a05829a7
JB		 10037 wdev->iftype)) {
10038 err = -EINVAL;
10039 goto free;
10040 }
16ef1fe2 10041
2beb6dab
LC		 10042 err = cfg80211_chandef_dfs_required(wdev->wiphy,
10043 &params.chandef,
10044 wdev->iftype);
10045 if (err < 0)
a05829a7 10046 goto free;
2beb6dab 10047
8d9de16f 10048 if (err > 0) {
2beb6dab 10049 params.radar_required = true;
8d9de16f
BB		 10050 if (need_handle_dfs_flag &&
10051 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
a05829a7
JB		 10052 err = -EINVAL;
10053 goto free;
8d9de16f
BB		 10054 }
10055 }
16ef1fe2 10056
16ef1fe2
SW		 10057 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
10058 params.block_tx = true;
10059
c56589ed
SW		 10060 wdev_lock(wdev);
10061 err = rdev_channel_switch(rdev, dev, &params);
10062 wdev_unlock(wdev);
10063
a05829a7 10064free:
dc1e3cb8
JC		 10065 kfree(params.beacon_after.mbssid_ies);
10066 kfree(params.beacon_csa.mbssid_ies);
a05829a7 10067 kfree(csa_attrs);
c56589ed 10068 return err;
16ef1fe2
SW		 10069}
10070
9720bb3a
JB		 10071static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
10072 u32 seq, int flags,
2a519311 10073 struct cfg80211_registered_device *rdev,
48ab905d
JB		 10074 struct wireless_dev *wdev,
10075 struct cfg80211_internal_bss *intbss)
2a519311 10076{
48ab905d 10077 struct cfg80211_bss *res = &intbss->pub;
9caf0364 10078 const struct cfg80211_bss_ies *ies;
7b0a0e3c 10079 unsigned int link_id;
2a519311
JB		 10080 void *hdr;
10081 struct nlattr *bss;
48ab905d
JB		 10082
10083 ASSERT_WDEV_LOCK(wdev);
2a519311 10084
15e47304 10085 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
2a519311
JB		 10086 NL80211_CMD_NEW_SCAN_RESULTS);
10087 if (!hdr)
10088 return -1;
10089
0a833c29 10090 genl_dump_check_consistent(cb, hdr);
9720bb3a 10091
97990a06
JB		 10092 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
10093 goto nla_put_failure;
10094 if (wdev->netdev &&
9360ffd1
DM		 10095 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
10096 goto nla_put_failure;
2dad624e
ND		 10097 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
10098 NL80211_ATTR_PAD))
97990a06 10099 goto nla_put_failure;
2a519311 10100
ae0be8de 10101 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
2a519311
JB		 10102 if (!bss)
10103 goto nla_put_failure;
9360ffd1 10104 if ((!is_zero_ether_addr(res->bssid) &&
9caf0364 10105 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9360ffd1 10106 goto nla_put_failure;
9caf0364
JB		 10107
10108 rcu_read_lock();
0e227084
JB		 10109 /* indicate whether we have probe response data or not */
10110 if (rcu_access_pointer(res->proberesp_ies) &&
10111 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
10112 goto fail_unlock_rcu;
10113
10114 /* this pointer prefers to be pointed to probe response data
10115 * but is always valid
10116 */
9caf0364 10117 ies = rcu_dereference(res->ies);
8cef2c9d 10118 if (ies) {
2dad624e
ND		 10119 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
10120 NL80211_BSS_PAD))
8cef2c9d 10121 goto fail_unlock_rcu;
8cef2c9d
JB		 10122 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
10123 ies->len, ies->data))
10124 goto fail_unlock_rcu;
9caf0364 10125 }
0e227084
JB		 10126
10127 /* and this pointer is always (unless driver didn't know) beacon data */
9caf0364 10128 ies = rcu_dereference(res->beacon_ies);
0e227084 10129 if (ies && ies->from_beacon) {
2dad624e
ND		 10130 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
10131 NL80211_BSS_PAD))
8cef2c9d
JB		 10132 goto fail_unlock_rcu;
10133 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
10134 ies->len, ies->data))
10135 goto fail_unlock_rcu;
9caf0364
JB		 10136 }
10137 rcu_read_unlock();
10138
9360ffd1
DM		 10139 if (res->beacon_interval &&
10140 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
10141 goto nla_put_failure;
10142 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
10143 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
942ba88b
TP		 10144 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
10145 res->channel->freq_offset) ||
dcd6eac1 10146 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9360ffd1
DM		 10147 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
10148 jiffies_to_msecs(jiffies - intbss->ts)))
10149 goto nla_put_failure;
2a519311 10150
1d76250b
AS		 10151 if (intbss->parent_tsf &&
10152 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
10153 intbss->parent_tsf, NL80211_BSS_PAD) ||
10154 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
10155 intbss->parent_bssid)))
10156 goto nla_put_failure;
10157
6e19bc4b 10158 if (intbss->ts_boottime &&
2dad624e
ND		 10159 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
10160 intbss->ts_boottime, NL80211_BSS_PAD))
6e19bc4b
DS		 10161 goto nla_put_failure;
10162
983dafaa
SD		 10163 if (!nl80211_put_signal(msg, intbss->pub.chains,
10164 intbss->pub.chain_signal,
10165 NL80211_BSS_CHAIN_SIGNAL))
10166 goto nla_put_failure;
10167
77965c97 10168 switch (rdev->wiphy.signal_type) {
2a519311 10169 case CFG80211_SIGNAL_TYPE_MBM:
9360ffd1
DM		 10170 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
10171 goto nla_put_failure;
2a519311
JB		 10172 break;
10173 case CFG80211_SIGNAL_TYPE_UNSPEC:
9360ffd1
DM		 10174 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
10175 goto nla_put_failure;
2a519311
JB		 10176 break;
10177 default:
10178 break;
10179 }
10180
48ab905d 10181 switch (wdev->iftype) {
074ac8df 10182 case NL80211_IFTYPE_P2P_CLIENT:
48ab905d 10183 case NL80211_IFTYPE_STATION:
7b0a0e3c
JB		 10184 for_each_valid_link(wdev, link_id) {
10185 if (intbss == wdev->links[link_id].client.current_bss &&
dd374f84
JB		 10186 (nla_put_u32(msg, NL80211_BSS_STATUS,
10187 NL80211_BSS_STATUS_ASSOCIATED) ||
10188 (wdev->valid_links &&
6522047c
JB		 10189 (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
10190 link_id) ||
10191 nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN,
10192 wdev->u.client.connected_addr)))))
7b0a0e3c
JB		 10193 goto nla_put_failure;
10194 }
48ab905d
JB		 10195 break;
10196 case NL80211_IFTYPE_ADHOC:
7b0a0e3c 10197 if (intbss == wdev->u.ibss.current_bss &&
9360ffd1
DM		 10198 nla_put_u32(msg, NL80211_BSS_STATUS,
10199 NL80211_BSS_STATUS_IBSS_JOINED))
10200 goto nla_put_failure;
48ab905d
JB		 10201 break;
10202 default:
10203 break;
10204 }
10205
2a519311
JB		 10206 nla_nest_end(msg, bss);
10207
053c095a
JB		 10208 genlmsg_end(msg, hdr);
10209 return 0;
2a519311 10210
8cef2c9d
JB		 10211 fail_unlock_rcu:
10212 rcu_read_unlock();
2a519311
JB		 10213 nla_put_failure:
10214 genlmsg_cancel(msg, hdr);
10215 return -EMSGSIZE;
10216}
10217
97990a06 10218static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
2a519311 10219{
48ab905d 10220 struct cfg80211_registered_device *rdev;
2a519311 10221 struct cfg80211_internal_bss *scan;
48ab905d 10222 struct wireless_dev *wdev;
97990a06 10223 int start = cb->args[2], idx = 0;
2a519311
JB		 10224 int err;
10225
ce6b6974 10226 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
a05829a7 10227 if (err)
67748893 10228 return err;
a05829a7
JB		 10229 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10230 __acquire(&rdev->wiphy.mtx);
2a519311 10231
48ab905d
JB		 10232 wdev_lock(wdev);
10233 spin_lock_bh(&rdev->bss_lock);
d1e23c94
DK		 10234
10235 /*
10236 * dump_scan will be called multiple times to break up the scan results
10237 * into multiple messages. It is unlikely that any more bss-es will be
10238 * expired after the first call, so only call only call this on the
10239 * first dump_scan invocation.
10240 */
10241 if (start == 0)
10242 cfg80211_bss_expire(rdev);
48ab905d 10243
9720bb3a
JB		 10244 cb->seq = rdev->bss_generation;
10245
48ab905d 10246 list_for_each_entry(scan, &rdev->bss_list, list) {
2a519311
JB		 10247 if (++idx <= start)
10248 continue;
9720bb3a 10249 if (nl80211_send_bss(skb, cb,
2a519311 10250 cb->nlh->nlmsg_seq, NLM_F_MULTI,
48ab905d 10251 rdev, wdev, scan) < 0) {
2a519311 10252 idx--;
67748893 10253 break;
2a519311
JB		 10254 }
10255 }
10256
48ab905d
JB		 10257 spin_unlock_bh(&rdev->bss_lock);
10258 wdev_unlock(wdev);
2a519311 10259
97990a06 10260 cb->args[2] = idx;
a05829a7 10261 wiphy_unlock(&rdev->wiphy);
2a519311 10262
67748893 10263 return skb->len;
2a519311
JB		 10264}
10265
15e47304 10266static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
11f78ac3
JB		 10267 int flags, struct net_device *dev,
10268 bool allow_radio_stats,
10269 struct survey_info *survey)
61fa713c
HS		 10270{
10271 void *hdr;
10272 struct nlattr *infoattr;
10273
11f78ac3
JB		 10274 /* skip radio stats if userspace didn't request them */
10275 if (!survey->channel && !allow_radio_stats)
10276 return 0;
10277
15e47304 10278 hdr = nl80211hdr_put(msg, portid, seq, flags,
61fa713c
HS		 10279 NL80211_CMD_NEW_SURVEY_RESULTS);
10280 if (!hdr)
10281 return -ENOMEM;
10282
9360ffd1
DM		 10283 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10284 goto nla_put_failure;
61fa713c 10285
ae0be8de 10286 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
61fa713c
HS		 10287 if (!infoattr)
10288 goto nla_put_failure;
10289
11f78ac3
JB		 10290 if (survey->channel &&
10291 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9360ffd1
DM		 10292 survey->channel->center_freq))
10293 goto nla_put_failure;
58ef7c1b
TP		 10294
10295 if (survey->channel && survey->channel->freq_offset &&
10296 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
10297 survey->channel->freq_offset))
10298 goto nla_put_failure;
9360ffd1
DM		 10299
10300 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
10301 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
10302 goto nla_put_failure;
10303 if ((survey->filled & SURVEY_INFO_IN_USE) &&
10304 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
10305 goto nla_put_failure;
4ed20beb 10306 if ((survey->filled & SURVEY_INFO_TIME) &&
2dad624e
ND		 10307 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
10308 survey->time, NL80211_SURVEY_INFO_PAD))
9360ffd1 10309 goto nla_put_failure;
4ed20beb 10310 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
2dad624e
ND		 10311 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
10312 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 10313 goto nla_put_failure;
4ed20beb 10314 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
2dad624e
ND		 10315 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
10316 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 10317 goto nla_put_failure;
4ed20beb 10318 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
2dad624e
ND		 10319 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
10320 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9360ffd1 10321 goto nla_put_failure;
4ed20beb 10322 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
2dad624e
ND		 10323 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
10324 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9360ffd1 10325 goto nla_put_failure;
052536ab 10326 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
2dad624e
ND		 10327 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
10328 survey->time_scan, NL80211_SURVEY_INFO_PAD))
052536ab 10329 goto nla_put_failure;
c8cd6e7f
FF		 10330 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
10331 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
10332 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
10333 goto nla_put_failure;
61fa713c
HS		 10334
10335 nla_nest_end(msg, infoattr);
10336
053c095a
JB		 10337 genlmsg_end(msg, hdr);
10338 return 0;
61fa713c
HS		 10339
10340 nla_put_failure:
10341 genlmsg_cancel(msg, hdr);
10342 return -EMSGSIZE;
10343}
10344
11f78ac3 10345static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
61fa713c 10346{
50508d94 10347 struct nlattr **attrbuf;
61fa713c 10348 struct survey_info survey;
1b8ec87a 10349 struct cfg80211_registered_device *rdev;
97990a06
JB		 10350 struct wireless_dev *wdev;
10351 int survey_idx = cb->args[2];
61fa713c 10352 int res;
11f78ac3 10353 bool radio_stats;
61fa713c 10354
50508d94
JB		 10355 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10356 if (!attrbuf)
10357 return -ENOMEM;
10358
ce6b6974 10359 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
a05829a7
JB		 10360 if (res) {
10361 kfree(attrbuf);
10362 return res;
10363 }
10364 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10365 __acquire(&rdev->wiphy.mtx);
61fa713c 10366
11f78ac3 10367 /* prepare_wdev_dump parsed the attributes */
c90c39da 10368 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
11f78ac3 10369
97990a06
JB		 10370 if (!wdev->netdev) {
10371 res = -EINVAL;
10372 goto out_err;
10373 }
10374
1b8ec87a 10375 if (!rdev->ops->dump_survey) {
61fa713c
HS		 10376 res = -EOPNOTSUPP;
10377 goto out_err;
10378 }
10379
10380 while (1) {
284b38b6 10381 wdev_lock(wdev);
1b8ec87a 10382 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
284b38b6 10383 wdev_unlock(wdev);
61fa713c
HS		 10384 if (res == -ENOENT)
10385 break;
10386 if (res)
10387 goto out_err;
10388
11f78ac3
JB		 10389 /* don't send disabled channels, but do send non-channel data */
10390 if (survey.channel &&
10391 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
180cdc79
LR		 10392 survey_idx++;
10393 continue;
10394 }
10395
61fa713c 10396 if (nl80211_send_survey(skb,
15e47304 10397 NETLINK_CB(cb->skb).portid,
61fa713c 10398 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11f78ac3 10399 wdev->netdev, radio_stats, &survey) < 0)
61fa713c
HS		 10400 goto out;
10401 survey_idx++;
10402 }
10403
10404 out:
97990a06 10405 cb->args[2] = survey_idx;
61fa713c
HS		 10406 res = skb->len;
10407 out_err:
50508d94 10408 kfree(attrbuf);
a05829a7 10409 wiphy_unlock(&rdev->wiphy);
61fa713c
HS		 10410 return res;
10411}
10412
b23aa676
SO		 10413static bool nl80211_valid_wpa_versions(u32 wpa_versions)
10414{
10415 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
cc3e14c2
CHH		 10416 NL80211_WPA_VERSION_2 |
10417 NL80211_WPA_VERSION_3));
b23aa676
SO		 10418}
10419
636a5d36
JM		 10420static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
10421{
4c476991
JB		 10422 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10423 struct net_device *dev = info->user_ptr[1];
19957bb3 10424 struct ieee80211_channel *chan;
325839da
JB		 10425 const u8 *bssid, *ssid;
10426 int err, ssid_len;
19957bb3 10427 enum nl80211_auth_type auth_type;
fffd0934 10428 struct key_parse key;
d5cdfacb 10429 bool local_state_change;
325839da 10430 struct cfg80211_auth_request req = {};
942ba88b 10431 u32 freq;
636a5d36 10432
f4a11bb0
JB		 10433 if (!info->attrs[NL80211_ATTR_MAC])
10434 return -EINVAL;
10435
1778092e
JM		 10436 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
10437 return -EINVAL;
10438
19957bb3
JB		 10439 if (!info->attrs[NL80211_ATTR_SSID])
10440 return -EINVAL;
10441
10442 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10443 return -EINVAL;
10444
fffd0934
JB		 10445 err = nl80211_parse_key(info, &key);
10446 if (err)
10447 return err;
10448
10449 if (key.idx >= 0) {
e31b8213
JB		 10450 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
10451 return -EINVAL;
fffd0934
JB		 10452 if (!key.p.key || !key.p.key_len)
10453 return -EINVAL;
10454 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
10455 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
10456 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
10457 key.p.key_len != WLAN_KEY_LEN_WEP104))
10458 return -EINVAL;
b6b5555b 10459 if (key.idx > 3)
fffd0934
JB		 10460 return -EINVAL;
10461 } else {
10462 key.p.key_len = 0;
10463 key.p.key = NULL;
10464 }
10465
afea0b7a
JB		 10466 if (key.idx >= 0) {
10467 int i;
10468 bool ok = false;
7a087e74 10469
afea0b7a
JB		 10470 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
10471 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
10472 ok = true;
10473 break;
10474 }
10475 }
4c476991
JB		 10476 if (!ok)
10477 return -EINVAL;
afea0b7a
JB		 10478 }
10479
4c476991
JB		 10480 if (!rdev->ops->auth)
10481 return -EOPNOTSUPP;
636a5d36 10482
074ac8df 10483 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10484 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10485 return -EOPNOTSUPP;
eec60b03 10486
19957bb3 10487 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
942ba88b
TP		 10488 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10489 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10490 freq +=
10491 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10492
10493 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
664834de 10494 if (!chan)
4c476991 10495 return -EINVAL;
636a5d36 10496
19957bb3
JB		 10497 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10498 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 10499
10500 if (info->attrs[NL80211_ATTR_IE]) {
325839da
JB		 10501 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10502 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 10503 }
10504
19957bb3 10505 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e 10506 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
4c476991 10507 return -EINVAL;
636a5d36 10508
63181060
JM		 10509 if ((auth_type == NL80211_AUTHTYPE_SAE ||
10510 auth_type == NL80211_AUTHTYPE_FILS_SK ||
10511 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
10512 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
11b6b5a4 10513 !info->attrs[NL80211_ATTR_AUTH_DATA])
e39e5b5e
JM		 10514 return -EINVAL;
10515
11b6b5a4 10516 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
63181060
JM		 10517 if (auth_type != NL80211_AUTHTYPE_SAE &&
10518 auth_type != NL80211_AUTHTYPE_FILS_SK &&
10519 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
10520 auth_type != NL80211_AUTHTYPE_FILS_PK)
e39e5b5e 10521 return -EINVAL;
325839da
JB		 10522 req.auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
10523 req.auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
e39e5b5e
JM		 10524 }
10525
d5cdfacb
JM		 10526 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10527
95de817b
JB		 10528 /*
10529 * Since we no longer track auth state, ignore
10530 * requests to only change local state.
10531 */
10532 if (local_state_change)
10533 return 0;
10534
325839da
JB		 10535 req.auth_type = auth_type;
10536 req.key = key.p.key;
10537 req.key_len = key.p.key_len;
10538 req.key_idx = key.idx;
d648c230
JB		 10539 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10540 if (req.link_id >= 0) {
45aaf17c
JB		 10541 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10542 return -EINVAL;
d648c230
JB		 10543 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
10544 return -EINVAL;
10545 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10546 }
325839da
JB		 10547
10548 req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
10549 IEEE80211_BSS_TYPE_ESS,
10550 IEEE80211_PRIVACY_ANY);
10551 if (!req.bss)
10552 return -ENOENT;
10553
91bf9b26 10554 wdev_lock(dev->ieee80211_ptr);
325839da 10555 err = cfg80211_mlme_auth(rdev, dev, &req);
91bf9b26 10556 wdev_unlock(dev->ieee80211_ptr);
325839da
JB		 10557
10558 cfg80211_put_bss(&rdev->wiphy, req.bss);
10559
91bf9b26 10560 return err;
636a5d36
JM		 10561}
10562
64bf3d4b
DK		 10563static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
10564 struct genl_info *info)
10565{
10566 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10567 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
10568 return -EINVAL;
10569 }
10570
10571 if (!rdev->ops->tx_control_port ||
10572 !wiphy_ext_feature_isset(&rdev->wiphy,
10573 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
10574 return -EOPNOTSUPP;
10575
10576 return 0;
10577}
10578
c0692b8f
JB		 10579static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
10580 struct genl_info *info,
3dc27d25
JB		 10581 struct cfg80211_crypto_settings *settings,
10582 int cipher_limit)
b23aa676 10583{
c0b2bbd8
JB		 10584 memset(settings, 0, sizeof(*settings));
10585
b23aa676
SO		 10586 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
10587
c0692b8f
JB		 10588 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
10589 u16 proto;
7a087e74 10590
c0692b8f
JB		 10591 proto = nla_get_u16(
10592 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
10593 settings->control_port_ethertype = cpu_to_be16(proto);
10594 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
10595 proto != ETH_P_PAE)
10596 return -EINVAL;
10597 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
10598 settings->control_port_no_encrypt = true;
10599 } else
10600 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
10601
64bf3d4b
DK		 10602 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10603 int r = validate_pae_over_nl80211(rdev, info);
10604
10605 if (r < 0)
10606 return r;
10607
10608 settings->control_port_over_nl80211 = true;
7f3f96ce
MT		 10609
10610 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
10611 settings->control_port_no_preauth = true;
64bf3d4b
DK		 10612 }
10613
b23aa676
SO		 10614 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
10615 void *data;
10616 int len, i;
10617
10618 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10619 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10620 settings->n_ciphers_pairwise = len / sizeof(u32);
10621
10622 if (len % sizeof(u32))
10623 return -EINVAL;
10624
3dc27d25 10625 if (settings->n_ciphers_pairwise > cipher_limit)
b23aa676
SO		 10626 return -EINVAL;
10627
10628 memcpy(settings->ciphers_pairwise, data, len);
10629
10630 for (i = 0; i < settings->n_ciphers_pairwise; i++)
38ba3c57
JM		 10631 if (!cfg80211_supported_cipher_suite(
10632 &rdev->wiphy,
b23aa676
SO		 10633 settings->ciphers_pairwise[i]))
10634 return -EINVAL;
10635 }
10636
10637 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
10638 settings->cipher_group =
10639 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
38ba3c57
JM		 10640 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
10641 settings->cipher_group))
b23aa676
SO		 10642 return -EINVAL;
10643 }
10644
10645 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
10646 settings->wpa_versions =
10647 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
10648 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
10649 return -EINVAL;
10650 }
10651
10652 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
10653 void *data;
6d30240e 10654 int len;
b23aa676
SO		 10655
10656 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
10657 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
10658 settings->n_akm_suites = len / sizeof(u32);
10659
10660 if (len % sizeof(u32))
10661 return -EINVAL;
10662
ecad3b0b 10663 if (settings->n_akm_suites > rdev->wiphy.max_num_akm_suites)
1b9ca027
JM		 10664 return -EINVAL;
10665
b23aa676 10666 memcpy(settings->akm_suites, data, len);
b23aa676
SO		 10667 }
10668
91b5ab62
EP		 10669 if (info->attrs[NL80211_ATTR_PMK]) {
10670 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
10671 return -EINVAL;
10672 if (!wiphy_ext_feature_isset(&rdev->wiphy,
f9662274
CHH		 10673 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
10674 !wiphy_ext_feature_isset(&rdev->wiphy,
10675 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
91b5ab62
EP		 10676 return -EINVAL;
10677 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10678 }
10679
26f7044e
CHH		 10680 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
10681 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2831a631
CHH		 10682 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10683 !wiphy_ext_feature_isset(&rdev->wiphy,
10684 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
26f7044e
CHH		 10685 return -EINVAL;
10686 settings->sae_pwd =
10687 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10688 settings->sae_pwd_len =
10689 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10690 }
10691
9f0ffa41
RD		 10692 if (info->attrs[NL80211_ATTR_SAE_PWE])
10693 settings->sae_pwe =
10694 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
10695 else
10696 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
10697
b23aa676
SO		 10698 return 0;
10699}
10700
9ecff10e
JB		 10701static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev,
10702 const u8 *ssid, int ssid_len,
10703 struct nlattr **attrs,
10704 const u8 **bssid_out)
10705{
10706 struct ieee80211_channel *chan;
10707 struct cfg80211_bss *bss;
10708 const u8 *bssid;
10709 u32 freq;
10710
10711 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_WIPHY_FREQ])
10712 return ERR_PTR(-EINVAL);
10713
10714 bssid = nla_data(attrs[NL80211_ATTR_MAC]);
10715
10716 freq = MHZ_TO_KHZ(nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]));
10717 if (attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10718 freq += nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10719
10720 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10721 if (!chan)
10722 return ERR_PTR(-EINVAL);
10723
10724 bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid,
10725 ssid, ssid_len,
10726 IEEE80211_BSS_TYPE_ESS,
10727 IEEE80211_PRIVACY_ANY);
10728 if (!bss)
10729 return ERR_PTR(-ENOENT);
10730
10731 *bssid_out = bssid;
10732 return bss;
10733}
10734
636a5d36
JM		 10735static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
10736{
4c476991
JB		 10737 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10738 struct net_device *dev = info->user_ptr[1];
f62fab73 10739 struct cfg80211_assoc_request req = {};
d648c230 10740 struct nlattr **attrs = NULL;
f62fab73 10741 const u8 *bssid, *ssid;
d648c230 10742 unsigned int link_id;
0f759448 10743 int err, ssid_len;
636a5d36 10744
bad29297
AZ		 10745 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10746 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10747 return -EPERM;
10748
9ecff10e 10749 if (!info->attrs[NL80211_ATTR_SSID])
f4a11bb0
JB		 10750 return -EINVAL;
10751
4c476991
JB		 10752 if (!rdev->ops->assoc)
10753 return -EOPNOTSUPP;
636a5d36 10754
074ac8df 10755 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10756 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10757 return -EOPNOTSUPP;
eec60b03 10758
19957bb3
JB		 10759 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10760 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 10761
10762 if (info->attrs[NL80211_ATTR_IE]) {
f62fab73
JB		 10763 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10764 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
df35f316
JB		 10765
10766 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
10767 req.ie, req.ie_len)) {
10768 GENL_SET_ERR_MSG(info,
10769 "non-inheritance makes no sense");
10770 return -EINVAL;
10771 }
636a5d36
JM		 10772 }
10773
dc6382ce 10774 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4f5dadce 10775 enum nl80211_mfp mfp =
dc6382ce 10776 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4f5dadce 10777 if (mfp == NL80211_MFP_REQUIRED)
f62fab73 10778 req.use_mfp = true;
4c476991
JB		 10779 else if (mfp != NL80211_MFP_NO)
10780 return -EINVAL;
dc6382ce
JM		 10781 }
10782
3e5d7649 10783 if (info->attrs[NL80211_ATTR_PREV_BSSID])
f62fab73 10784 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
3e5d7649 10785
7e7c8926 10786 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
f62fab73 10787 req.flags |= ASSOC_REQ_DISABLE_HT;
7e7c8926
BG		 10788
10789 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
f62fab73
JB		 10790 memcpy(&req.ht_capa_mask,
10791 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10792 sizeof(req.ht_capa_mask));
7e7c8926
BG		 10793
10794 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
f62fab73 10795 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7e7c8926 10796 return -EINVAL;
f62fab73
JB		 10797 memcpy(&req.ht_capa,
10798 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10799 sizeof(req.ht_capa));
7e7c8926
BG		 10800 }
10801
ee2aca34 10802 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
f62fab73 10803 req.flags |= ASSOC_REQ_DISABLE_VHT;
ee2aca34 10804
b6db0f89
BG		 10805 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10806 req.flags |= ASSOC_REQ_DISABLE_HE;
10807
36f84235
MS		 10808 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
10809 req.flags |= ASSOC_REQ_DISABLE_EHT;
10810
ee2aca34 10811 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
f62fab73
JB		 10812 memcpy(&req.vht_capa_mask,
10813 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10814 sizeof(req.vht_capa_mask));
ee2aca34
JB		 10815
10816 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
f62fab73 10817 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
ee2aca34 10818 return -EINVAL;
f62fab73
JB		 10819 memcpy(&req.vht_capa,
10820 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10821 sizeof(req.vht_capa));
ee2aca34
JB		 10822 }
10823
bab5ab7d 10824 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 10825 if (!((rdev->wiphy.features &
10826 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10827 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10828 !wiphy_ext_feature_isset(&rdev->wiphy,
10829 NL80211_EXT_FEATURE_RRM))
bab5ab7d
AK		 10830 return -EINVAL;
10831 req.flags |= ASSOC_REQ_USE_RRM;
10832 }
10833
348bd456
JM		 10834 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10835 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10836 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10837 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10838 return -EINVAL;
10839 req.fils_nonces =
10840 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10841 }
10842
d2b7588a
TP		 10843 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10844 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10845 return -EINVAL;
10846 memcpy(&req.s1g_capa_mask,
10847 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10848 sizeof(req.s1g_capa_mask));
10849 }
10850
10851 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10852 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10853 return -EINVAL;
10854 memcpy(&req.s1g_capa,
10855 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10856 sizeof(req.s1g_capa));
10857 }
10858
d648c230
JB		 10859 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10860
10861 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
10862 unsigned int attrsize = NUM_NL80211_ATTR * sizeof(*attrs);
10863 struct nlattr *link;
10864 int rem = 0;
10865
10866 if (req.link_id < 0)
10867 return -EINVAL;
10868
10869 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10870 return -EINVAL;
10871
10872 if (info->attrs[NL80211_ATTR_MAC] ||
10873 info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10874 !info->attrs[NL80211_ATTR_MLD_ADDR])
10875 return -EINVAL;
10876
10877 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10878
10879 attrs = kzalloc(attrsize, GFP_KERNEL);
10880 if (!attrs)
10881 return -ENOMEM;
10882
10883 nla_for_each_nested(link,
10884 info->attrs[NL80211_ATTR_MLO_LINKS],
10885 rem) {
10886 memset(attrs, 0, attrsize);
10887
10888 nla_parse_nested(attrs, NL80211_ATTR_MAX,
10889 link, NULL, NULL);
10890
10891 if (!attrs[NL80211_ATTR_MLO_LINK_ID]) {
10892 err = -EINVAL;
10893 goto free;
10894 }
10895
10896 link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]);
10897 /* cannot use the same link ID again */
10898 if (req.links[link_id].bss) {
10899 err = -EINVAL;
10900 goto free;
10901 }
10902 req.links[link_id].bss =
10903 nl80211_assoc_bss(rdev, ssid, ssid_len, attrs,
10904 &bssid);
10905 if (IS_ERR(req.links[link_id].bss)) {
10906 err = PTR_ERR(req.links[link_id].bss);
9b6bf4d6 10907 req.links[link_id].bss = NULL;
d648c230
JB		 10908 goto free;
10909 }
10910
10911 if (attrs[NL80211_ATTR_IE]) {
10912 req.links[link_id].elems =
10913 nla_data(attrs[NL80211_ATTR_IE]);
10914 req.links[link_id].elems_len =
10915 nla_len(attrs[NL80211_ATTR_IE]);
df35f316
JB		 10916
10917 if (cfg80211_find_elem(WLAN_EID_FRAGMENT,
10918 req.links[link_id].elems,
10919 req.links[link_id].elems_len)) {
10920 GENL_SET_ERR_MSG(info,
10921 "cannot deal with fragmentation");
10922 err = -EINVAL;
10923 goto free;
10924 }
10925
10926 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
10927 req.links[link_id].elems,
10928 req.links[link_id].elems_len)) {
10929 GENL_SET_ERR_MSG(info,
10930 "cannot deal with non-inheritance");
10931 err = -EINVAL;
10932 goto free;
10933 }
d648c230
JB		 10934 }
10935 }
10936
10937 if (!req.links[req.link_id].bss) {
10938 err = -EINVAL;
10939 goto free;
10940 }
10941
34d76a14
JB		 10942 if (req.links[req.link_id].elems_len) {
10943 GENL_SET_ERR_MSG(info,
10944 "cannot have per-link elems on assoc link");
10945 err = -EINVAL;
10946 goto free;
10947 }
10948
d648c230
JB		 10949 kfree(attrs);
10950 attrs = NULL;
10951 } else {
10952 if (req.link_id >= 0)
10953 return -EINVAL;
10954
10955 req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs,
10956 &bssid);
10957 if (IS_ERR(req.bss))
10958 return PTR_ERR(req.bss);
10959 }
0f759448 10960
f62fab73 10961 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
91bf9b26
JB		 10962 if (!err) {
10963 wdev_lock(dev->ieee80211_ptr);
bd2522b1 10964
0f759448 10965 err = cfg80211_mlme_assoc(rdev, dev, &req);
bd2522b1
AZ		 10966
10967 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10968 dev->ieee80211_ptr->conn_owner_nlportid =
10969 info->snd_portid;
10970 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10971 bssid, ETH_ALEN);
10972 }
10973
91bf9b26
JB		 10974 wdev_unlock(dev->ieee80211_ptr);
10975 }
636a5d36 10976
d648c230
JB		 10977free:
10978 for (link_id = 0; link_id < ARRAY_SIZE(req.links); link_id++)
10979 cfg80211_put_bss(&rdev->wiphy, req.links[link_id].bss);
0f759448 10980 cfg80211_put_bss(&rdev->wiphy, req.bss);
d648c230 10981 kfree(attrs);
0f759448 10982
636a5d36
JM		 10983 return err;
10984}
10985
10986static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
10987{
4c476991
JB		 10988 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10989 struct net_device *dev = info->user_ptr[1];
19957bb3 10990 const u8 *ie = NULL, *bssid;
91bf9b26 10991 int ie_len = 0, err;
19957bb3 10992 u16 reason_code;
d5cdfacb 10993 bool local_state_change;
636a5d36 10994
bad29297
AZ		 10995 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10996 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10997 return -EPERM;
10998
f4a11bb0
JB		 10999 if (!info->attrs[NL80211_ATTR_MAC])
11000 return -EINVAL;
11001
11002 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11003 return -EINVAL;
11004
4c476991
JB		 11005 if (!rdev->ops->deauth)
11006 return -EOPNOTSUPP;
636a5d36 11007
074ac8df 11008 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11009 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11010 return -EOPNOTSUPP;
eec60b03 11011
19957bb3 11012 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 11013
19957bb3
JB		 11014 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11015 if (reason_code == 0) {
f4a11bb0 11016 /* Reason Code 0 is reserved */
4c476991 11017 return -EINVAL;
255e737e 11018 }
636a5d36
JM		 11019
11020 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 11021 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11022 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 11023 }
11024
d5cdfacb
JM		 11025 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11026
91bf9b26
JB		 11027 wdev_lock(dev->ieee80211_ptr);
11028 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
11029 local_state_change);
11030 wdev_unlock(dev->ieee80211_ptr);
11031 return err;
636a5d36
JM		 11032}
11033
11034static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
11035{
4c476991
JB		 11036 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11037 struct net_device *dev = info->user_ptr[1];
19957bb3 11038 const u8 *ie = NULL, *bssid;
91bf9b26 11039 int ie_len = 0, err;
19957bb3 11040 u16 reason_code;
d5cdfacb 11041 bool local_state_change;
636a5d36 11042
bad29297
AZ		 11043 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11044 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11045 return -EPERM;
11046
f4a11bb0
JB		 11047 if (!info->attrs[NL80211_ATTR_MAC])
11048 return -EINVAL;
11049
11050 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11051 return -EINVAL;
11052
4c476991
JB		 11053 if (!rdev->ops->disassoc)
11054 return -EOPNOTSUPP;
636a5d36 11055
074ac8df 11056 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11057 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11058 return -EOPNOTSUPP;
eec60b03 11059
19957bb3 11060 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 11061
19957bb3
JB		 11062 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11063 if (reason_code == 0) {
f4a11bb0 11064 /* Reason Code 0 is reserved */
4c476991 11065 return -EINVAL;
255e737e 11066 }
636a5d36
JM		 11067
11068 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 11069 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11070 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 11071 }
11072
d5cdfacb
JM		 11073 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11074
91bf9b26
JB		 11075 wdev_lock(dev->ieee80211_ptr);
11076 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
11077 local_state_change);
11078 wdev_unlock(dev->ieee80211_ptr);
11079 return err;
636a5d36
JM		 11080}
11081
dd5b4cc7
FF		 11082static bool
11083nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
57fbcce3 11084 int mcast_rate[NUM_NL80211_BANDS],
dd5b4cc7
FF		 11085 int rateval)
11086{
11087 struct wiphy *wiphy = &rdev->wiphy;
11088 bool found = false;
11089 int band, i;
11090
57fbcce3 11091 for (band = 0; band < NUM_NL80211_BANDS; band++) {
dd5b4cc7
FF		 11092 struct ieee80211_supported_band *sband;
11093
11094 sband = wiphy->bands[band];
11095 if (!sband)
11096 continue;
11097
11098 for (i = 0; i < sband->n_bitrates; i++) {
11099 if (sband->bitrates[i].bitrate == rateval) {
11100 mcast_rate[band] = i + 1;
11101 found = true;
11102 break;
11103 }
11104 }
11105 }
11106
11107 return found;
11108}
11109
04a773ad
JB		 11110static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
11111{
4c476991
JB		 11112 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11113 struct net_device *dev = info->user_ptr[1];
04a773ad
JB		 11114 struct cfg80211_ibss_params ibss;
11115 struct wiphy *wiphy;
fffd0934 11116 struct cfg80211_cached_keys *connkeys = NULL;
04a773ad
JB		 11117 int err;
11118
8e30bc55
JB		 11119 memset(&ibss, 0, sizeof(ibss));
11120
683b6d3b 11121 if (!info->attrs[NL80211_ATTR_SSID] ||
04a773ad
JB		 11122 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11123 return -EINVAL;
11124
8e30bc55
JB		 11125 ibss.beacon_interval = 100;
11126
12d20fc9 11127 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8e30bc55
JB		 11128 ibss.beacon_interval =
11129 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 11130
0c317a02
PK		 11131 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
11132 ibss.beacon_interval);
12d20fc9
PK		 11133 if (err)
11134 return err;
8e30bc55 11135
4c476991
JB		 11136 if (!rdev->ops->join_ibss)
11137 return -EOPNOTSUPP;
04a773ad 11138
4c476991
JB		 11139 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11140 return -EOPNOTSUPP;
04a773ad 11141
79c97e97 11142 wiphy = &rdev->wiphy;
04a773ad 11143
39193498 11144 if (info->attrs[NL80211_ATTR_MAC]) {
04a773ad 11145 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
39193498
JB		 11146
11147 if (!is_valid_ether_addr(ibss.bssid))
11148 return -EINVAL;
11149 }
04a773ad
JB		 11150 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11151 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11152
11153 if (info->attrs[NL80211_ATTR_IE]) {
11154 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11155 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11156 }
11157
683b6d3b
JB		 11158 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
11159 if (err)
11160 return err;
04a773ad 11161
174e0cd2
IP		 11162 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
11163 NL80211_IFTYPE_ADHOC))
54858ee5
AS		 11164 return -EINVAL;
11165
2f301ab2 11166 switch (ibss.chandef.width) {
bf372645
SW		 11167 case NL80211_CHAN_WIDTH_5:
11168 case NL80211_CHAN_WIDTH_10:
2f301ab2
SW		 11169 case NL80211_CHAN_WIDTH_20_NOHT:
11170 break;
11171 case NL80211_CHAN_WIDTH_20:
11172 case NL80211_CHAN_WIDTH_40:
ffc11991
JD		 11173 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11174 return -EINVAL;
11175 break;
11176 case NL80211_CHAN_WIDTH_80:
11177 case NL80211_CHAN_WIDTH_80P80:
11178 case NL80211_CHAN_WIDTH_160:
11179 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11180 return -EINVAL;
11181 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11182 NL80211_EXT_FEATURE_VHT_IBSS))
11183 return -EINVAL;
11184 break;
3743bec6
JD		 11185 case NL80211_CHAN_WIDTH_320:
11186 return -EINVAL;
2f301ab2 11187 default:
c04d6150 11188 return -EINVAL;
2f301ab2 11189 }
db9c64cf 11190
04a773ad 11191 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
fffd0934
JB		 11192 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
11193
fbd2c8dc
TP		 11194 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11195 u8 *rates =
11196 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11197 int n_rates =
11198 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11199 struct ieee80211_supported_band *sband =
683b6d3b 11200 wiphy->bands[ibss.chandef.chan->band];
fbd2c8dc 11201
34850ab2
JB		 11202 err = ieee80211_get_ratemask(sband, rates, n_rates,
11203 &ibss.basic_rates);
11204 if (err)
11205 return err;
fbd2c8dc 11206 }
dd5b4cc7 11207
803768f5
SW		 11208 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11209 memcpy(&ibss.ht_capa_mask,
11210 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11211 sizeof(ibss.ht_capa_mask));
11212
11213 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11214 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11215 return -EINVAL;
11216 memcpy(&ibss.ht_capa,
11217 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11218 sizeof(ibss.ht_capa));
11219 }
11220
dd5b4cc7
FF		 11221 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11222 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
11223 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11224 return -EINVAL;
fbd2c8dc 11225
4c476991 11226 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
de7044ee
SM		 11227 bool no_ht = false;
11228
768075eb 11229 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
4c476991
JB		 11230 if (IS_ERR(connkeys))
11231 return PTR_ERR(connkeys);
de7044ee 11232
3d9d1d66
JB		 11233 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
11234 no_ht) {
453431a5 11235 kfree_sensitive(connkeys);
de7044ee
SM		 11236 return -EINVAL;
11237 }
4c476991 11238 }
04a773ad 11239
267335d6
AQ		 11240 ibss.control_port =
11241 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
11242
c3bfe1f6
DK		 11243 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11244 int r = validate_pae_over_nl80211(rdev, info);
11245
d350a0f4 11246 if (r < 0) {
453431a5 11247 kfree_sensitive(connkeys);
c3bfe1f6 11248 return r;
d350a0f4 11249 }
c3bfe1f6
DK		 11250
11251 ibss.control_port_over_nl80211 = true;
11252 }
11253
5336fa88
SW		 11254 ibss.userspace_handles_dfs =
11255 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11256
f8d16d3e
DK		 11257 wdev_lock(dev->ieee80211_ptr);
11258 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
fffd0934 11259 if (err)
453431a5 11260 kfree_sensitive(connkeys);
f8d16d3e
DK		 11261 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
11262 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11263 wdev_unlock(dev->ieee80211_ptr);
11264
04a773ad
JB		 11265 return err;
11266}
11267
11268static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
11269{
4c476991
JB		 11270 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11271 struct net_device *dev = info->user_ptr[1];
04a773ad 11272
4c476991
JB		 11273 if (!rdev->ops->leave_ibss)
11274 return -EOPNOTSUPP;
04a773ad 11275
4c476991
JB		 11276 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11277 return -EOPNOTSUPP;
04a773ad 11278
4c476991 11279 return cfg80211_leave_ibss(rdev, dev, false);
04a773ad
JB		 11280}
11281
f4e583c8
AQ		 11282static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
11283{
11284 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11285 struct net_device *dev = info->user_ptr[1];
57fbcce3 11286 int mcast_rate[NUM_NL80211_BANDS];
f4e583c8 11287 u32 nla_rate;
f4e583c8
AQ		 11288
11289 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
876dc930
BVB		 11290 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
11291 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
f4e583c8
AQ		 11292 return -EOPNOTSUPP;
11293
11294 if (!rdev->ops->set_mcast_rate)
11295 return -EOPNOTSUPP;
11296
11297 memset(mcast_rate, 0, sizeof(mcast_rate));
11298
11299 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
11300 return -EINVAL;
11301
11302 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
11303 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
11304 return -EINVAL;
11305
a21cd7d6 11306 return rdev_set_mcast_rate(rdev, dev, mcast_rate);
f4e583c8
AQ		 11307}
11308
ad7e718c
JB		 11309static struct sk_buff *
11310__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6c09e791
AK		 11311 struct wireless_dev *wdev, int approxlen,
11312 u32 portid, u32 seq, enum nl80211_commands cmd,
567ffc35
JB		 11313 enum nl80211_attrs attr,
11314 const struct nl80211_vendor_cmd_info *info,
11315 gfp_t gfp)
ad7e718c
JB		 11316{
11317 struct sk_buff *skb;
11318 void *hdr;
11319 struct nlattr *data;
11320
11321 skb = nlmsg_new(approxlen + 100, gfp);
11322 if (!skb)
11323 return NULL;
11324
11325 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
11326 if (!hdr) {
11327 kfree_skb(skb);
11328 return NULL;
11329 }
11330
11331 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11332 goto nla_put_failure;
567ffc35
JB		 11333
11334 if (info) {
11335 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
11336 info->vendor_id))
11337 goto nla_put_failure;
11338 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
11339 info->subcmd))
11340 goto nla_put_failure;
11341 }
11342
6c09e791 11343 if (wdev) {
2dad624e
ND		 11344 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11345 wdev_id(wdev), NL80211_ATTR_PAD))
6c09e791
AK		 11346 goto nla_put_failure;
11347 if (wdev->netdev &&
11348 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
11349 wdev->netdev->ifindex))
11350 goto nla_put_failure;
11351 }
11352
ae0be8de 11353 data = nla_nest_start_noflag(skb, attr);
76e1fb4b
JB		 11354 if (!data)
11355 goto nla_put_failure;
ad7e718c
JB		 11356
11357 ((void **)skb->cb)[0] = rdev;
11358 ((void **)skb->cb)[1] = hdr;
11359 ((void **)skb->cb)[2] = data;
11360
11361 return skb;
11362
11363 nla_put_failure:
11364 kfree_skb(skb);
11365 return NULL;
11366}
f4e583c8 11367
e03ad6ea 11368struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6c09e791 11369 struct wireless_dev *wdev,
e03ad6ea
JB		 11370 enum nl80211_commands cmd,
11371 enum nl80211_attrs attr,
55c1fdf0 11372 unsigned int portid,
e03ad6ea
JB		 11373 int vendor_event_idx,
11374 int approxlen, gfp_t gfp)
11375{
f26cbf40 11376 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
e03ad6ea
JB		 11377 const struct nl80211_vendor_cmd_info *info;
11378
11379 switch (cmd) {
11380 case NL80211_CMD_TESTMODE:
11381 if (WARN_ON(vendor_event_idx != -1))
11382 return NULL;
11383 info = NULL;
11384 break;
11385 case NL80211_CMD_VENDOR:
11386 if (WARN_ON(vendor_event_idx < 0 ||
11387 vendor_event_idx >= wiphy->n_vendor_events))
11388 return NULL;
11389 info = &wiphy->vendor_events[vendor_event_idx];
11390 break;
11391 default:
11392 WARN_ON(1);
11393 return NULL;
11394 }
11395
55c1fdf0 11396 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
e03ad6ea
JB		 11397 cmd, attr, info, gfp);
11398}
11399EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
11400
11401void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
11402{
11403 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11404 void *hdr = ((void **)skb->cb)[1];
55c1fdf0 11405 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
e03ad6ea
JB		 11406 struct nlattr *data = ((void **)skb->cb)[2];
11407 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
11408
bd8c78e7
JB		 11409 /* clear CB data for netlink core to own from now on */
11410 memset(skb->cb, 0, sizeof(skb->cb));
11411
e03ad6ea
JB		 11412 nla_nest_end(skb, data);
11413 genlmsg_end(skb, hdr);
11414
55c1fdf0
JB		 11415 if (nlhdr->nlmsg_pid) {
11416 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
11417 nlhdr->nlmsg_pid);
11418 } else {
11419 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
11420 mcgrp = NL80211_MCGRP_VENDOR;
e03ad6ea 11421
55c1fdf0
JB		 11422 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11423 skb, 0, mcgrp, gfp);
11424 }
e03ad6ea
JB		 11425}
11426EXPORT_SYMBOL(__cfg80211_send_event_skb);
11427
aff89a9b 11428#ifdef CONFIG_NL80211_TESTMODE
aff89a9b
JB		 11429static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
11430{
4c476991 11431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
a05829a7 11432 struct wireless_dev *wdev;
aff89a9b
JB		 11433 int err;
11434
a05829a7
JB		 11435 lockdep_assert_held(&rdev->wiphy.mtx);
11436
11437 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
11438 info->attrs);
11439
fc73f11f
DS		 11440 if (!rdev->ops->testmode_cmd)
11441 return -EOPNOTSUPP;
11442
11443 if (IS_ERR(wdev)) {
11444 err = PTR_ERR(wdev);
11445 if (err != -EINVAL)
11446 return err;
11447 wdev = NULL;
11448 } else if (wdev->wiphy != &rdev->wiphy) {
11449 return -EINVAL;
11450 }
11451
aff89a9b
JB		 11452 if (!info->attrs[NL80211_ATTR_TESTDATA])
11453 return -EINVAL;
11454
ad7e718c 11455 rdev->cur_cmd_info = info;
fc73f11f 11456 err = rdev_testmode_cmd(rdev, wdev,
aff89a9b
JB		 11457 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
11458 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
ad7e718c 11459 rdev->cur_cmd_info = NULL;
aff89a9b 11460
aff89a9b
JB		 11461 return err;
11462}
11463
71063f0e
WYG		 11464static int nl80211_testmode_dump(struct sk_buff *skb,
11465 struct netlink_callback *cb)
11466{
00918d33 11467 struct cfg80211_registered_device *rdev;
50508d94 11468 struct nlattr **attrbuf = NULL;
71063f0e
WYG		 11469 int err;
11470 long phy_idx;
11471 void *data = NULL;
11472 int data_len = 0;
11473
5fe231e8
JB		 11474 rtnl_lock();
11475
71063f0e
WYG		 11476 if (cb->args[0]) {
11477 /*
11478 * 0 is a valid index, but not valid for args[0],
11479 * so we need to offset by 1.
11480 */
11481 phy_idx = cb->args[0] - 1;
a4956dca
LC		 11482
11483 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
11484 if (!rdev) {
11485 err = -ENOENT;
11486 goto out_err;
11487 }
71063f0e 11488 } else {
50508d94
JB		 11489 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
11490 GFP_KERNEL);
11491 if (!attrbuf) {
11492 err = -ENOMEM;
11493 goto out_err;
11494 }
c90c39da 11495
8cb08174
JB		 11496 err = nlmsg_parse_deprecated(cb->nlh,
11497 GENL_HDRLEN + nl80211_fam.hdrsize,
11498 attrbuf, nl80211_fam.maxattr,
11499 nl80211_policy, NULL);
71063f0e 11500 if (err)
5fe231e8 11501 goto out_err;
00918d33 11502
c90c39da 11503 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
2bd7e35d 11504 if (IS_ERR(rdev)) {
5fe231e8
JB		 11505 err = PTR_ERR(rdev);
11506 goto out_err;
00918d33 11507 }
2bd7e35d 11508 phy_idx = rdev->wiphy_idx;
2bd7e35d 11509
c90c39da
JB		 11510 if (attrbuf[NL80211_ATTR_TESTDATA])
11511 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
71063f0e
WYG		 11512 }
11513
11514 if (cb->args[1]) {
11515 data = nla_data((void *)cb->args[1]);
11516 data_len = nla_len((void *)cb->args[1]);
11517 }
11518
00918d33 11519 if (!rdev->ops->testmode_dump) {
71063f0e
WYG		 11520 err = -EOPNOTSUPP;
11521 goto out_err;
11522 }
11523
11524 while (1) {
15e47304 11525 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
71063f0e
WYG		 11526 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11527 NL80211_CMD_TESTMODE);
11528 struct nlattr *tmdata;
11529
cb35fba3
DC		 11530 if (!hdr)
11531 break;
11532
9360ffd1 11533 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
71063f0e
WYG		 11534 genlmsg_cancel(skb, hdr);
11535 break;
11536 }
11537
ae0be8de 11538 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
71063f0e
WYG		 11539 if (!tmdata) {
11540 genlmsg_cancel(skb, hdr);
11541 break;
11542 }
e35e4d28 11543 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
71063f0e
WYG		 11544 nla_nest_end(skb, tmdata);
11545
11546 if (err == -ENOBUFS || err == -ENOENT) {
11547 genlmsg_cancel(skb, hdr);
11548 break;
11549 } else if (err) {
11550 genlmsg_cancel(skb, hdr);
11551 goto out_err;
11552 }
11553
11554 genlmsg_end(skb, hdr);
11555 }
11556
11557 err = skb->len;
11558 /* see above */
11559 cb->args[0] = phy_idx + 1;
11560 out_err:
50508d94 11561 kfree(attrbuf);
5fe231e8 11562 rtnl_unlock();
71063f0e
WYG		 11563 return err;
11564}
aff89a9b
JB		 11565#endif
11566
b23aa676
SO		 11567static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
11568{
4c476991
JB		 11569 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11570 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 11571 struct cfg80211_connect_params connect;
11572 struct wiphy *wiphy;
fffd0934 11573 struct cfg80211_cached_keys *connkeys = NULL;
942ba88b 11574 u32 freq = 0;
b23aa676
SO		 11575 int err;
11576
11577 memset(&connect, 0, sizeof(connect));
11578
b23aa676
SO		 11579 if (!info->attrs[NL80211_ATTR_SSID] ||
11580 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11581 return -EINVAL;
11582
11583 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11584 connect.auth_type =
11585 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 11586 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
11587 NL80211_CMD_CONNECT))
b23aa676
SO		 11588 return -EINVAL;
11589 } else
11590 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
11591
11592 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
11593
3a00df57
AS		 11594 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
11595 !wiphy_ext_feature_isset(&rdev->wiphy,
11596 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
11597 return -EINVAL;
11598 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
11599
c0692b8f 11600 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
3dc27d25 11601 NL80211_MAX_NR_CIPHER_SUITES);
b23aa676
SO		 11602 if (err)
11603 return err;
b23aa676 11604
074ac8df 11605 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11606 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11607 return -EOPNOTSUPP;
b23aa676 11608
79c97e97 11609 wiphy = &rdev->wiphy;
b23aa676 11610
4486ea98
BS		 11611 connect.bg_scan_period = -1;
11612 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
11613 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
11614 connect.bg_scan_period =
11615 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
11616 }
11617
b23aa676
SO		 11618 if (info->attrs[NL80211_ATTR_MAC])
11619 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1df4a510
JM		 11620 else if (info->attrs[NL80211_ATTR_MAC_HINT])
11621 connect.bssid_hint =
11622 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
b23aa676
SO		 11623 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11624 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11625
11626 if (info->attrs[NL80211_ATTR_IE]) {
11627 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11628 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11629 }
11630
cee00a95
JM		 11631 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11632 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
65026002
EG		 11633 if (connect.mfp == NL80211_MFP_OPTIONAL &&
11634 !wiphy_ext_feature_isset(&rdev->wiphy,
11635 NL80211_EXT_FEATURE_MFP_OPTIONAL))
11636 return -EOPNOTSUPP;
cee00a95
JM		 11637 } else {
11638 connect.mfp = NL80211_MFP_NO;
11639 }
11640
ba6fbacf
JM		 11641 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11642 connect.prev_bssid =
11643 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11644
942ba88b
TP		 11645 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
11646 freq = MHZ_TO_KHZ(nla_get_u32(
11647 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
11648 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
11649 freq +=
11650 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
11651
11652 if (freq) {
11653 connect.channel = nl80211_get_valid_chan(wiphy, freq);
664834de 11654 if (!connect.channel)
1df4a510
JM		 11655 return -EINVAL;
11656 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
942ba88b
TP		 11657 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
11658 freq = MHZ_TO_KHZ(freq);
11659 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
664834de 11660 if (!connect.channel_hint)
4c476991 11661 return -EINVAL;
b23aa676
SO		 11662 }
11663
2a38075c
AAL		 11664 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
11665 connect.edmg.channels =
11666 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
11667
11668 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
11669 connect.edmg.bw_config =
11670 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
11671 }
11672
fffd0934 11673 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
768075eb 11674 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
4c476991
JB		 11675 if (IS_ERR(connkeys))
11676 return PTR_ERR(connkeys);
fffd0934
JB		 11677 }
11678
7e7c8926
BG		 11679 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11680 connect.flags |= ASSOC_REQ_DISABLE_HT;
11681
11682 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11683 memcpy(&connect.ht_capa_mask,
11684 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11685 sizeof(connect.ht_capa_mask));
11686
11687 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
b4e4f47e 11688 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
453431a5 11689 kfree_sensitive(connkeys);
7e7c8926 11690 return -EINVAL;
b4e4f47e 11691 }
7e7c8926
BG		 11692 memcpy(&connect.ht_capa,
11693 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11694 sizeof(connect.ht_capa));
11695 }
11696
ee2aca34
JB		 11697 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11698 connect.flags |= ASSOC_REQ_DISABLE_VHT;
11699
b6db0f89
BG		 11700 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11701 connect.flags |= ASSOC_REQ_DISABLE_HE;
11702
36f84235
MS		 11703 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11704 connect.flags |= ASSOC_REQ_DISABLE_EHT;
11705
ee2aca34
JB		 11706 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11707 memcpy(&connect.vht_capa_mask,
11708 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11709 sizeof(connect.vht_capa_mask));
11710
11711 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11712 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
453431a5 11713 kfree_sensitive(connkeys);
ee2aca34
JB		 11714 return -EINVAL;
11715 }
11716 memcpy(&connect.vht_capa,
11717 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11718 sizeof(connect.vht_capa));
11719 }
11720
bab5ab7d 11721 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 11722 if (!((rdev->wiphy.features &
11723 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11724 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11725 !wiphy_ext_feature_isset(&rdev->wiphy,
11726 NL80211_EXT_FEATURE_RRM)) {
453431a5 11727 kfree_sensitive(connkeys);
bab5ab7d 11728 return -EINVAL;
707554b4 11729 }
bab5ab7d
AK		 11730 connect.flags |= ASSOC_REQ_USE_RRM;
11731 }
11732
34d50519 11733 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
57fbcce3 11734 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
453431a5 11735 kfree_sensitive(connkeys);
34d50519
LD		 11736 return -EOPNOTSUPP;
11737 }
11738
38de03d2
AS		 11739 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
11740 /* bss selection makes no sense if bssid is set */
11741 if (connect.bssid) {
453431a5 11742 kfree_sensitive(connkeys);
38de03d2
AS		 11743 return -EINVAL;
11744 }
11745
11746 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
11747 wiphy, &connect.bss_select);
11748 if (err) {
453431a5 11749 kfree_sensitive(connkeys);
38de03d2
AS		 11750 return err;
11751 }
11752 }
11753
a3caf744
VK		 11754 if (wiphy_ext_feature_isset(&rdev->wiphy,
11755 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
11756 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11757 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11758 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11759 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11760 connect.fils_erp_username =
11761 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11762 connect.fils_erp_username_len =
11763 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11764 connect.fils_erp_realm =
11765 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11766 connect.fils_erp_realm_len =
11767 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11768 connect.fils_erp_next_seq_num =
11769 nla_get_u16(
11770 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11771 connect.fils_erp_rrk =
11772 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11773 connect.fils_erp_rrk_len =
11774 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11775 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11776 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11777 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11778 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
453431a5 11779 kfree_sensitive(connkeys);
a3caf744
VK		 11780 return -EINVAL;
11781 }
11782
40cbfa90
SD		 11783 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
11784 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
453431a5 11785 kfree_sensitive(connkeys);
40cbfa90
SD		 11786 GENL_SET_ERR_MSG(info,
11787 "external auth requires connection ownership");
11788 return -EINVAL;
11789 }
11790 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
11791 }
11792
efbabc11
VJ		 11793 if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
11794 connect.flags |= CONNECT_REQ_MLO_SUPPORT;
11795
83739b03 11796 wdev_lock(dev->ieee80211_ptr);
bd2522b1 11797
4ce2bd9c
JM		 11798 err = cfg80211_connect(rdev, dev, &connect, connkeys,
11799 connect.prev_bssid);
fffd0934 11800 if (err)
453431a5 11801 kfree_sensitive(connkeys);
bd2522b1
AZ		 11802
11803 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11804 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11805 if (connect.bssid)
11806 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11807 connect.bssid, ETH_ALEN);
11808 else
3b1648f1 11809 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
bd2522b1
AZ		 11810 }
11811
11812 wdev_unlock(dev->ieee80211_ptr);
11813
b23aa676
SO		 11814 return err;
11815}
11816
088e8df8 11817static int nl80211_update_connect_params(struct sk_buff *skb,
11818 struct genl_info *info)
11819{
11820 struct cfg80211_connect_params connect = {};
11821 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11822 struct net_device *dev = info->user_ptr[1];
11823 struct wireless_dev *wdev = dev->ieee80211_ptr;
7f9a3e15
VK		 11824 bool fils_sk_offload;
11825 u32 auth_type;
088e8df8 11826 u32 changed = 0;
11827 int ret;
11828
11829 if (!rdev->ops->update_connect_params)
11830 return -EOPNOTSUPP;
11831
11832 if (info->attrs[NL80211_ATTR_IE]) {
088e8df8 11833 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11834 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11835 changed |= UPDATE_ASSOC_IES;
11836 }
11837
7f9a3e15
VK		 11838 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
11839 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
11840
11841 /*
11842 * when driver supports fils-sk offload all attributes must be
11843 * provided. So the else covers "fils-sk-not-all" and
11844 * "no-fils-sk-any".
11845 */
11846 if (fils_sk_offload &&
11847 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11848 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11849 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11850 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11851 connect.fils_erp_username =
11852 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11853 connect.fils_erp_username_len =
11854 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11855 connect.fils_erp_realm =
11856 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11857 connect.fils_erp_realm_len =
11858 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11859 connect.fils_erp_next_seq_num =
11860 nla_get_u16(
11861 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11862 connect.fils_erp_rrk =
11863 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11864 connect.fils_erp_rrk_len =
11865 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11866 changed |= UPDATE_FILS_ERP_INFO;
11867 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11868 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11869 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11870 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11871 return -EINVAL;
11872 }
11873
11874 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11875 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11876 if (!nl80211_valid_auth_type(rdev, auth_type,
11877 NL80211_CMD_CONNECT))
11878 return -EINVAL;
11879
11880 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
11881 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
11882 return -EINVAL;
11883
11884 connect.auth_type = auth_type;
11885 changed |= UPDATE_AUTH_TYPE;
11886 }
11887
088e8df8 11888 wdev_lock(dev->ieee80211_ptr);
7b0a0e3c 11889 if (!wdev->connected)
088e8df8 11890 ret = -ENOLINK;
11891 else
11892 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
11893 wdev_unlock(dev->ieee80211_ptr);
11894
11895 return ret;
11896}
11897
b23aa676
SO		 11898static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11899{
4c476991
JB		 11900 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11901 struct net_device *dev = info->user_ptr[1];
b23aa676 11902 u16 reason;
83739b03 11903 int ret;
b23aa676 11904
bad29297
AZ		 11905 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11906 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11907 return -EPERM;
11908
b23aa676
SO		 11909 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11910 reason = WLAN_REASON_DEAUTH_LEAVING;
11911 else
11912 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11913
11914 if (reason == 0)
11915 return -EINVAL;
11916
074ac8df 11917 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11918 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11919 return -EOPNOTSUPP;
b23aa676 11920
83739b03
JB		 11921 wdev_lock(dev->ieee80211_ptr);
11922 ret = cfg80211_disconnect(rdev, dev, reason, true);
11923 wdev_unlock(dev->ieee80211_ptr);
11924 return ret;
b23aa676
SO		 11925}
11926
463d0183
JB		 11927static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
11928{
4c476991 11929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
463d0183
JB		 11930 struct net *net;
11931 int err;
463d0183 11932
4b681c82
VK		 11933 if (info->attrs[NL80211_ATTR_PID]) {
11934 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
11935
11936 net = get_net_ns_by_pid(pid);
11937 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
11938 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
463d0183 11939
4b681c82
VK		 11940 net = get_net_ns_by_fd(fd);
11941 } else {
11942 return -EINVAL;
11943 }
463d0183 11944
4c476991
JB		 11945 if (IS_ERR(net))
11946 return PTR_ERR(net);
463d0183
JB		 11947
11948 err = 0;
11949
11950 /* check if anything to do */
4c476991
JB		 11951 if (!net_eq(wiphy_net(&rdev->wiphy), net))
11952 err = cfg80211_switch_netns(rdev, net);
463d0183 11953
463d0183 11954 put_net(net);
463d0183
JB		 11955 return err;
11956}
11957
67fbb16b
SO		 11958static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
11959{
4c476991 11960 struct cfg80211_registered_device *rdev = info->user_ptr[0];
67fbb16b
SO		 11961 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
11962 struct cfg80211_pmksa *pmksa) = NULL;
4c476991 11963 struct net_device *dev = info->user_ptr[1];
67fbb16b
SO		 11964 struct cfg80211_pmksa pmksa;
11965
11966 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
11967
67fbb16b
SO		 11968 if (!info->attrs[NL80211_ATTR_PMKID])
11969 return -EINVAL;
11970
67fbb16b 11971 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
a3caf744
VK		 11972
11973 if (info->attrs[NL80211_ATTR_MAC]) {
11974 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11975 } else if (info->attrs[NL80211_ATTR_SSID] &&
11976 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
11977 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
11978 info->attrs[NL80211_ATTR_PMK])) {
11979 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11980 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11981 pmksa.cache_id =
11982 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
11983 } else {
11984 return -EINVAL;
11985 }
11986 if (info->attrs[NL80211_ATTR_PMK]) {
11987 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
11988 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
11989 }
67fbb16b 11990
7fc82af8
VJ		 11991 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
11992 pmksa.pmk_lifetime =
11993 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
11994
11995 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
11996 pmksa.pmk_reauth_threshold =
11997 nla_get_u8(
11998 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
11999
074ac8df 12000 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6c900360
LD		 12001 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
12002 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
12003 wiphy_ext_feature_isset(&rdev->wiphy,
12004 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
4c476991 12005 return -EOPNOTSUPP;
67fbb16b
SO		 12006
12007 switch (info->genlhdr->cmd) {
12008 case NL80211_CMD_SET_PMKSA:
12009 rdev_ops = rdev->ops->set_pmksa;
12010 break;
12011 case NL80211_CMD_DEL_PMKSA:
12012 rdev_ops = rdev->ops->del_pmksa;
12013 break;
12014 default:
12015 WARN_ON(1);
12016 break;
12017 }
12018
4c476991
JB		 12019 if (!rdev_ops)
12020 return -EOPNOTSUPP;
67fbb16b 12021
4c476991 12022 return rdev_ops(&rdev->wiphy, dev, &pmksa);
67fbb16b
SO		 12023}
12024
12025static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
12026{
4c476991
JB		 12027 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12028 struct net_device *dev = info->user_ptr[1];
67fbb16b 12029
074ac8df 12030 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 12031 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12032 return -EOPNOTSUPP;
67fbb16b 12033
4c476991
JB		 12034 if (!rdev->ops->flush_pmksa)
12035 return -EOPNOTSUPP;
67fbb16b 12036
e35e4d28 12037 return rdev_flush_pmksa(rdev, dev);
67fbb16b
SO		 12038}
12039
109086ce
AN		 12040static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
12041{
12042 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12043 struct net_device *dev = info->user_ptr[1];
12044 u8 action_code, dialog_token;
df942e7b 12045 u32 peer_capability = 0;
109086ce
AN		 12046 u16 status_code;
12047 u8 *peer;
31fa97c5 12048 bool initiator;
109086ce
AN		 12049
12050 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12051 !rdev->ops->tdls_mgmt)
12052 return -EOPNOTSUPP;
12053
12054 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
12055 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
12056 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
12057 !info->attrs[NL80211_ATTR_IE] ||
12058 !info->attrs[NL80211_ATTR_MAC])
12059 return -EINVAL;
12060
12061 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12062 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
12063 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
12064 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
31fa97c5 12065 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
df942e7b
SDU		 12066 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
12067 peer_capability =
12068 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
109086ce 12069
e35e4d28 12070 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
df942e7b 12071 dialog_token, status_code, peer_capability,
31fa97c5 12072 initiator,
e35e4d28
HG		 12073 nla_data(info->attrs[NL80211_ATTR_IE]),
12074 nla_len(info->attrs[NL80211_ATTR_IE]));
109086ce
AN		 12075}
12076
12077static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
12078{
12079 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12080 struct net_device *dev = info->user_ptr[1];
12081 enum nl80211_tdls_operation operation;
12082 u8 *peer;
12083
12084 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12085 !rdev->ops->tdls_oper)
12086 return -EOPNOTSUPP;
12087
12088 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
12089 !info->attrs[NL80211_ATTR_MAC])
12090 return -EINVAL;
12091
12092 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
12093 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12094
e35e4d28 12095 return rdev_tdls_oper(rdev, dev, peer, operation);
109086ce
AN		 12096}
12097
9588bbd5
JM		 12098static int nl80211_remain_on_channel(struct sk_buff *skb,
12099 struct genl_info *info)
12100{
4c476991 12101 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c 12102 unsigned int link_id = nl80211_link_id(info->attrs);
71bbc994 12103 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 12104 struct cfg80211_chan_def chandef;
9588bbd5
JM		 12105 struct sk_buff *msg;
12106 void *hdr;
12107 u64 cookie;
683b6d3b 12108 u32 duration;
9588bbd5
JM		 12109 int err;
12110
12111 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
12112 !info->attrs[NL80211_ATTR_DURATION])
12113 return -EINVAL;
12114
12115 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12116
ebf348fc
JB		 12117 if (!rdev->ops->remain_on_channel ||
12118 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
12119 return -EOPNOTSUPP;
12120
9588bbd5 12121 /*
ebf348fc
JB		 12122 * We should be on that channel for at least a minimum amount of
12123 * time (10ms) but no longer than the driver supports.
9588bbd5 12124 */
ebf348fc 12125 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
a293911d 12126 duration > rdev->wiphy.max_remain_on_channel_duration)
9588bbd5
JM		 12127 return -EINVAL;
12128
683b6d3b
JB		 12129 err = nl80211_parse_chandef(rdev, info, &chandef);
12130 if (err)
12131 return err;
9588bbd5 12132
34373d12 12133 wdev_lock(wdev);
7b0a0e3c
JB		 12134 if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12135 const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
12136
12137 oper_chandef = wdev_chandef(wdev, link_id);
12138
12139 if (WARN_ON(!oper_chandef)) {
12140 /* cannot happen since we must beacon to get here */
12141 WARN_ON(1);
12142 wdev_unlock(wdev);
12143 return -EBUSY;
12144 }
12145
12146 /* note: returns first one if identical chandefs */
12147 compat_chandef = cfg80211_chandef_compatible(&chandef,
12148 oper_chandef);
12149
34373d12
VT		 12150 if (compat_chandef != &chandef) {
12151 wdev_unlock(wdev);
12152 return -EBUSY;
12153 }
12154 }
12155 wdev_unlock(wdev);
12156
9588bbd5 12157 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 12158 if (!msg)
12159 return -ENOMEM;
9588bbd5 12160
15e47304 12161 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9588bbd5 12162 NL80211_CMD_REMAIN_ON_CHANNEL);
cb35fba3
DC		 12163 if (!hdr) {
12164 err = -ENOBUFS;
9588bbd5
JM		 12165 goto free_msg;
12166 }
12167
683b6d3b
JB		 12168 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
12169 duration, &cookie);
9588bbd5
JM		 12170
12171 if (err)
12172 goto free_msg;
12173
2dad624e
ND		 12174 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12175 NL80211_ATTR_PAD))
9360ffd1 12176 goto nla_put_failure;
9588bbd5
JM		 12177
12178 genlmsg_end(msg, hdr);
4c476991
JB		 12179
12180 return genlmsg_reply(msg, info);
9588bbd5
JM		 12181
12182 nla_put_failure:
12183 err = -ENOBUFS;
12184 free_msg:
12185 nlmsg_free(msg);
9588bbd5
JM		 12186 return err;
12187}
12188
12189static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
12190 struct genl_info *info)
12191{
4c476991 12192 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 12193 struct wireless_dev *wdev = info->user_ptr[1];
9588bbd5 12194 u64 cookie;
9588bbd5
JM		 12195
12196 if (!info->attrs[NL80211_ATTR_COOKIE])
12197 return -EINVAL;
12198
4c476991
JB		 12199 if (!rdev->ops->cancel_remain_on_channel)
12200 return -EOPNOTSUPP;
9588bbd5 12201
9588bbd5
JM		 12202 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12203
e35e4d28 12204 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9588bbd5
JM		 12205}
12206
13ae75b1
JM		 12207static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
12208 struct genl_info *info)
12209{
13ae75b1 12210 struct cfg80211_bitrate_mask mask;
7b0a0e3c 12211 unsigned int link_id = nl80211_link_id(info->attrs);
a7c7fbff 12212 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 12213 struct net_device *dev = info->user_ptr[1];
f971e188 12214 struct wireless_dev *wdev = dev->ieee80211_ptr;
a7c7fbff 12215 int err;
13ae75b1 12216
4c476991
JB		 12217 if (!rdev->ops->set_bitrate_mask)
12218 return -EOPNOTSUPP;
13ae75b1 12219
f971e188 12220 wdev_lock(wdev);
9a5f6488 12221 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
eb89a6a6 12222 NL80211_ATTR_TX_RATES, &mask,
7b0a0e3c 12223 dev, true, link_id);
a7c7fbff 12224 if (err)
f971e188 12225 goto out;
13ae75b1 12226
7b0a0e3c 12227 err = rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
f971e188
JB		 12228out:
12229 wdev_unlock(wdev);
12230 return err;
13ae75b1
JM		 12231}
12232
2e161f78 12233static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 12234{
4c476991 12235 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 12236 struct wireless_dev *wdev = info->user_ptr[1];
2e161f78 12237 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
026331c4
JM		 12238
12239 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
12240 return -EINVAL;
12241
2e161f78
JB		 12242 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
12243 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
026331c4 12244
71bbc994
JB		 12245 switch (wdev->iftype) {
12246 case NL80211_IFTYPE_STATION:
12247 case NL80211_IFTYPE_ADHOC:
12248 case NL80211_IFTYPE_P2P_CLIENT:
12249 case NL80211_IFTYPE_AP:
12250 case NL80211_IFTYPE_AP_VLAN:
12251 case NL80211_IFTYPE_MESH_POINT:
12252 case NL80211_IFTYPE_P2P_GO:
98104fde 12253 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 12254 break;
cb3b7d87 12255 case NL80211_IFTYPE_NAN:
71bbc994 12256 default:
4c476991 12257 return -EOPNOTSUPP;
71bbc994 12258 }
026331c4
JM		 12259
12260 /* not much point in registering if we can't reply */
4c476991
JB		 12261 if (!rdev->ops->mgmt_tx)
12262 return -EOPNOTSUPP;
026331c4 12263
9dba48a6
JB		 12264 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
12265 !wiphy_ext_feature_isset(&rdev->wiphy,
12266 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
12267 GENL_SET_ERR_MSG(info,
12268 "multicast RX registrations are not supported");
12269 return -EOPNOTSUPP;
12270 }
12271
15e47304 12272 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
ff74c51e
IP		 12273 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12274 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
9dba48a6 12275 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
ff74c51e 12276 info->extack);
026331c4
JM		 12277}
12278
2e161f78 12279static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 12280{
4c476991 12281 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 12282 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 12283 struct cfg80211_chan_def chandef;
026331c4 12284 int err;
d64d373f 12285 void *hdr = NULL;
026331c4 12286 u64 cookie;
e247bd90 12287 struct sk_buff *msg = NULL;
b176e629
AO		 12288 struct cfg80211_mgmt_tx_params params = {
12289 .dont_wait_for_ack =
12290 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
12291 };
026331c4 12292
683b6d3b 12293 if (!info->attrs[NL80211_ATTR_FRAME])
026331c4
JM		 12294 return -EINVAL;
12295
4c476991
JB		 12296 if (!rdev->ops->mgmt_tx)
12297 return -EOPNOTSUPP;
026331c4 12298
71bbc994 12299 switch (wdev->iftype) {
ea141b75
AQ		 12300 case NL80211_IFTYPE_P2P_DEVICE:
12301 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
12302 return -EINVAL;
d7832c71 12303 break;
71bbc994
JB		 12304 case NL80211_IFTYPE_STATION:
12305 case NL80211_IFTYPE_ADHOC:
12306 case NL80211_IFTYPE_P2P_CLIENT:
12307 case NL80211_IFTYPE_AP:
12308 case NL80211_IFTYPE_AP_VLAN:
12309 case NL80211_IFTYPE_MESH_POINT:
12310 case NL80211_IFTYPE_P2P_GO:
12311 break;
cb3b7d87 12312 case NL80211_IFTYPE_NAN:
71bbc994 12313 default:
4c476991 12314 return -EOPNOTSUPP;
71bbc994 12315 }
026331c4 12316
f7ca38df 12317 if (info->attrs[NL80211_ATTR_DURATION]) {
7c4ef712 12318 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
f7ca38df 12319 return -EINVAL;
b176e629 12320 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
ebf348fc
JB		 12321
12322 /*
12323 * We should wait on the channel for at least a minimum amount
12324 * of time (10ms) but no longer than the driver supports.
12325 */
b176e629
AO		 12326 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12327 params.wait > rdev->wiphy.max_remain_on_channel_duration)
ebf348fc 12328 return -EINVAL;
f7ca38df
JB		 12329 }
12330
b176e629 12331 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
f7ca38df 12332
b176e629 12333 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7c4ef712
JB		 12334 return -EINVAL;
12335
b176e629 12336 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
e9f935e3 12337
ea141b75
AQ		 12338 /* get the channel if any has been specified, otherwise pass NULL to
12339 * the driver. The latter will use the current one
12340 */
12341 chandef.chan = NULL;
12342 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12343 err = nl80211_parse_chandef(rdev, info, &chandef);
12344 if (err)
12345 return err;
12346 }
12347
b176e629 12348 if (!chandef.chan && params.offchan)
ea141b75 12349 return -EINVAL;
026331c4 12350
34373d12 12351 wdev_lock(wdev);
7b0a0e3c
JB		 12352 if (params.offchan &&
12353 !cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
34373d12
VT		 12354 wdev_unlock(wdev);
12355 return -EBUSY;
12356 }
95f498bb
JB		 12357
12358 params.link_id = nl80211_link_id_or_invalid(info->attrs);
12359 /*
12360 * This now races due to the unlock, but we cannot check
12361 * the valid links for the _station_ anyway, so that's up
12362 * to the driver.
12363 */
12364 if (params.link_id >= 0 &&
12365 !(wdev->valid_links & BIT(params.link_id))) {
12366 wdev_unlock(wdev);
12367 return -EINVAL;
12368 }
34373d12
VT		 12369 wdev_unlock(wdev);
12370
34d22ce2
AO		 12371 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
12372 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
12373
12374 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
12375 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12376 int i;
12377
12378 if (len % sizeof(u16))
12379 return -EINVAL;
12380
12381 params.n_csa_offsets = len / sizeof(u16);
12382 params.csa_offsets =
12383 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12384
12385 /* check that all the offsets fit the frame */
12386 for (i = 0; i < params.n_csa_offsets; i++) {
12387 if (params.csa_offsets[i] >= params.len)
12388 return -EINVAL;
12389 }
12390 }
12391
b176e629 12392 if (!params.dont_wait_for_ack) {
e247bd90
JB		 12393 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12394 if (!msg)
12395 return -ENOMEM;
026331c4 12396
15e47304 12397 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
e247bd90 12398 NL80211_CMD_FRAME);
cb35fba3
DC		 12399 if (!hdr) {
12400 err = -ENOBUFS;
e247bd90
JB		 12401 goto free_msg;
12402 }
026331c4 12403 }
e247bd90 12404
b176e629
AO		 12405 params.chan = chandef.chan;
12406 err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
026331c4
JM		 12407 if (err)
12408 goto free_msg;
12409
e247bd90 12410 if (msg) {
2dad624e
ND		 12411 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12412 NL80211_ATTR_PAD))
9360ffd1 12413 goto nla_put_failure;
026331c4 12414
e247bd90
JB		 12415 genlmsg_end(msg, hdr);
12416 return genlmsg_reply(msg, info);
12417 }
12418
12419 return 0;
026331c4
JM		 12420
12421 nla_put_failure:
12422 err = -ENOBUFS;
12423 free_msg:
12424 nlmsg_free(msg);
026331c4
JM		 12425 return err;
12426}
12427
f7ca38df
JB		 12428static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
12429{
12430 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 12431 struct wireless_dev *wdev = info->user_ptr[1];
f7ca38df
JB		 12432 u64 cookie;
12433
12434 if (!info->attrs[NL80211_ATTR_COOKIE])
12435 return -EINVAL;
12436
12437 if (!rdev->ops->mgmt_tx_cancel_wait)
12438 return -EOPNOTSUPP;
12439
71bbc994
JB		 12440 switch (wdev->iftype) {
12441 case NL80211_IFTYPE_STATION:
12442 case NL80211_IFTYPE_ADHOC:
12443 case NL80211_IFTYPE_P2P_CLIENT:
12444 case NL80211_IFTYPE_AP:
12445 case NL80211_IFTYPE_AP_VLAN:
12446 case NL80211_IFTYPE_P2P_GO:
98104fde 12447 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 12448 break;
cb3b7d87 12449 case NL80211_IFTYPE_NAN:
71bbc994 12450 default:
f7ca38df 12451 return -EOPNOTSUPP;
71bbc994 12452 }
f7ca38df
JB		 12453
12454 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12455
e35e4d28 12456 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
f7ca38df
JB		 12457}
12458
ffb9eb3d
KV		 12459static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
12460{
4c476991 12461 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d 12462 struct wireless_dev *wdev;
4c476991 12463 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 12464 u8 ps_state;
12465 bool state;
12466 int err;
12467
4c476991
JB		 12468 if (!info->attrs[NL80211_ATTR_PS_STATE])
12469 return -EINVAL;
ffb9eb3d
KV		 12470
12471 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
12472
ffb9eb3d
KV		 12473 wdev = dev->ieee80211_ptr;
12474
4c476991
JB		 12475 if (!rdev->ops->set_power_mgmt)
12476 return -EOPNOTSUPP;
ffb9eb3d
KV		 12477
12478 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
12479
12480 if (state == wdev->ps)
4c476991 12481 return 0;
ffb9eb3d 12482
e35e4d28 12483 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
4c476991
JB		 12484 if (!err)
12485 wdev->ps = state;
ffb9eb3d
KV		 12486 return err;
12487}
12488
12489static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
12490{
4c476991 12491 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d
KV		 12492 enum nl80211_ps_state ps_state;
12493 struct wireless_dev *wdev;
4c476991 12494 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 12495 struct sk_buff *msg;
12496 void *hdr;
12497 int err;
12498
ffb9eb3d
KV		 12499 wdev = dev->ieee80211_ptr;
12500
4c476991
JB		 12501 if (!rdev->ops->set_power_mgmt)
12502 return -EOPNOTSUPP;
ffb9eb3d
KV		 12503
12504 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 12505 if (!msg)
12506 return -ENOMEM;
ffb9eb3d 12507
15e47304 12508 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ffb9eb3d
KV		 12509 NL80211_CMD_GET_POWER_SAVE);
12510 if (!hdr) {
4c476991 12511 err = -ENOBUFS;
ffb9eb3d
KV		 12512 goto free_msg;
12513 }
12514
12515 if (wdev->ps)
12516 ps_state = NL80211_PS_ENABLED;
12517 else
12518 ps_state = NL80211_PS_DISABLED;
12519
9360ffd1
DM		 12520 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
12521 goto nla_put_failure;
ffb9eb3d
KV		 12522
12523 genlmsg_end(msg, hdr);
4c476991 12524 return genlmsg_reply(msg, info);
ffb9eb3d 12525
4c476991 12526 nla_put_failure:
ffb9eb3d 12527 err = -ENOBUFS;
4c476991 12528 free_msg:
ffb9eb3d 12529 nlmsg_free(msg);
ffb9eb3d
KV		 12530 return err;
12531}
12532
94e860f1
JB		 12533static const struct nla_policy
12534nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
4a4b8169 12535 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
d6dc1a38
JO		 12536 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
12537 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
84f10708
TP		 12538 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
12539 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
12540 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
bee427b8 12541 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
d6dc1a38
JO		 12542};
12543
84f10708 12544static int nl80211_set_cqm_txe(struct genl_info *info,
d9d8b019 12545 u32 rate, u32 pkts, u32 intvl)
84f10708
TP		 12546{
12547 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84f10708 12548 struct net_device *dev = info->user_ptr[1];
1da5fcc8 12549 struct wireless_dev *wdev = dev->ieee80211_ptr;
84f10708 12550
d9d8b019 12551 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
84f10708
TP		 12552 return -EINVAL;
12553
84f10708
TP		 12554 if (!rdev->ops->set_cqm_txe_config)
12555 return -EOPNOTSUPP;
12556
12557 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12558 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12559 return -EOPNOTSUPP;
12560
e35e4d28 12561 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
84f10708
TP		 12562}
12563
4a4b8169
AZ		 12564static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
12565 struct net_device *dev)
12566{
12567 struct wireless_dev *wdev = dev->ieee80211_ptr;
12568 s32 last, low, high;
12569 u32 hyst;
1222a160 12570 int i, n, low_index;
4a4b8169
AZ		 12571 int err;
12572
12573 /* RSSI reporting disabled? */
12574 if (!wdev->cqm_config)
12575 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
12576
12577 /*
12578 * Obtain current RSSI value if possible, if not and no RSSI threshold
12579 * event has been received yet, we should receive an event after a
12580 * connection is established and enough beacons received to calculate
12581 * the average.
12582 */
7b0a0e3c
JB		 12583 if (!wdev->cqm_config->last_rssi_event_value &&
12584 wdev->links[0].client.current_bss &&
4a4b8169 12585 rdev->ops->get_station) {
73887fd9 12586 struct station_info sinfo = {};
4a4b8169
AZ		 12587 u8 *mac_addr;
12588
7b0a0e3c 12589 mac_addr = wdev->links[0].client.current_bss->pub.bssid;
4a4b8169 12590
73887fd9
JB		 12591 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
12592 if (err)
4a4b8169
AZ		 12593 return err;
12594
df16737d 12595 cfg80211_sinfo_release_content(&sinfo);
397c657a 12596 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
4a4b8169 12597 wdev->cqm_config->last_rssi_event_value =
73887fd9 12598 (s8) sinfo.rx_beacon_signal_avg;
4a4b8169
AZ		 12599 }
12600
12601 last = wdev->cqm_config->last_rssi_event_value;
12602 hyst = wdev->cqm_config->rssi_hyst;
12603 n = wdev->cqm_config->n_rssi_thresholds;
12604
4b2c5a14
MH		 12605 for (i = 0; i < n; i++) {
12606 i = array_index_nospec(i, n);
4a4b8169
AZ		 12607 if (last < wdev->cqm_config->rssi_thresholds[i])
12608 break;
4b2c5a14 12609 }
4a4b8169 12610
1222a160
MH		 12611 low_index = i - 1;
12612 if (low_index >= 0) {
12613 low_index = array_index_nospec(low_index, n);
12614 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
12615 } else {
12616 low = S32_MIN;
12617 }
12618 if (i < n) {
12619 i = array_index_nospec(i, n);
12620 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
12621 } else {
12622 high = S32_MAX;
12623 }
4a4b8169
AZ		 12624
12625 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
12626}
12627
d6dc1a38 12628static int nl80211_set_cqm_rssi(struct genl_info *info,
4a4b8169
AZ		 12629 const s32 *thresholds, int n_thresholds,
12630 u32 hysteresis)
d6dc1a38 12631{
4c476991 12632 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 12633 struct net_device *dev = info->user_ptr[1];
1da5fcc8 12634 struct wireless_dev *wdev = dev->ieee80211_ptr;
4a4b8169
AZ		 12635 int i, err;
12636 s32 prev = S32_MIN;
d6dc1a38 12637
4a4b8169
AZ		 12638 /* Check all values negative and sorted */
12639 for (i = 0; i < n_thresholds; i++) {
12640 if (thresholds[i] > 0 || thresholds[i] <= prev)
12641 return -EINVAL;
d6dc1a38 12642
4a4b8169
AZ		 12643 prev = thresholds[i];
12644 }
d6dc1a38 12645
074ac8df 12646 if (wdev->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 12647 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12648 return -EOPNOTSUPP;
d6dc1a38 12649
4a4b8169
AZ		 12650 wdev_lock(wdev);
12651 cfg80211_cqm_config_free(wdev);
12652 wdev_unlock(wdev);
12653
12654 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
12655 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
12656 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
12657
12658 return rdev_set_cqm_rssi_config(rdev, dev,
12659 thresholds[0], hysteresis);
12660 }
12661
12662 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12663 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
12664 return -EOPNOTSUPP;
12665
12666 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
12667 n_thresholds = 0;
12668
12669 wdev_lock(wdev);
12670 if (n_thresholds) {
12671 struct cfg80211_cqm_config *cqm_config;
12672
40f231e7
LB		 12673 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
12674 n_thresholds),
12675 GFP_KERNEL);
4a4b8169
AZ		 12676 if (!cqm_config) {
12677 err = -ENOMEM;
12678 goto unlock;
12679 }
12680
12681 cqm_config->rssi_hyst = hysteresis;
12682 cqm_config->n_rssi_thresholds = n_thresholds;
12683 memcpy(cqm_config->rssi_thresholds, thresholds,
40f231e7
LB		 12684 flex_array_size(cqm_config, rssi_thresholds,
12685 n_thresholds));
4a4b8169
AZ		 12686
12687 wdev->cqm_config = cqm_config;
12688 }
12689
12690 err = cfg80211_cqm_rssi_update(rdev, dev);
12691
12692unlock:
12693 wdev_unlock(wdev);
12694
12695 return err;
d6dc1a38
JO		 12696}
12697
12698static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
12699{
12700 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
12701 struct nlattr *cqm;
12702 int err;
12703
12704 cqm = info->attrs[NL80211_ATTR_CQM];
1da5fcc8
JB		 12705 if (!cqm)
12706 return -EINVAL;
d6dc1a38 12707
8cb08174
JB		 12708 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
12709 nl80211_attr_cqm_policy,
12710 info->extack);
d6dc1a38 12711 if (err)
1da5fcc8 12712 return err;
d6dc1a38
JO		 12713
12714 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
12715 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
4a4b8169
AZ		 12716 const s32 *thresholds =
12717 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12718 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
1da5fcc8 12719 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
d6dc1a38 12720
4a4b8169
AZ		 12721 if (len % 4)
12722 return -EINVAL;
12723
12724 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
12725 hysteresis);
1da5fcc8
JB		 12726 }
12727
12728 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
12729 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
12730 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
12731 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
12732 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
12733 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
12734
12735 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
12736 }
12737
12738 return -EINVAL;
d6dc1a38
JO		 12739}
12740
6e0bd6c3
RL		 12741static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
12742{
12743 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12744 struct net_device *dev = info->user_ptr[1];
12745 struct ocb_setup setup = {};
12746 int err;
12747
12748 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12749 if (err)
12750 return err;
12751
12752 return cfg80211_join_ocb(rdev, dev, &setup);
12753}
12754
12755static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
12756{
12757 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12758 struct net_device *dev = info->user_ptr[1];
12759
12760 return cfg80211_leave_ocb(rdev, dev);
12761}
12762
29cbe68c
JB		 12763static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
12764{
12765 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12766 struct net_device *dev = info->user_ptr[1];
12767 struct mesh_config cfg;
c80d545d 12768 struct mesh_setup setup;
29cbe68c
JB		 12769 int err;
12770
12771 /* start with default */
12772 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
c80d545d 12773 memcpy(&setup, &default_mesh_setup, sizeof(setup));
29cbe68c 12774
24bdd9f4 12775 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
29cbe68c 12776 /* and parse parameters if given */
24bdd9f4 12777 err = nl80211_parse_mesh_config(info, &cfg, NULL);
29cbe68c
JB		 12778 if (err)
12779 return err;
12780 }
12781
12782 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
12783 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
12784 return -EINVAL;
12785
c80d545d
JC		 12786 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
12787 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
12788
4bb62344
CYY		 12789 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
12790 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
12791 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
12792 return -EINVAL;
12793
9bdbf04d
MP		 12794 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
12795 setup.beacon_interval =
12796 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 12797
0c317a02
PK		 12798 err = cfg80211_validate_beacon_int(rdev,
12799 NL80211_IFTYPE_MESH_POINT,
12800 setup.beacon_interval);
12d20fc9
PK		 12801 if (err)
12802 return err;
9bdbf04d
MP		 12803 }
12804
12805 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
12806 setup.dtim_period =
12807 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
12808 if (setup.dtim_period < 1 || setup.dtim_period > 100)
12809 return -EINVAL;
12810 }
12811
c80d545d
JC		 12812 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
12813 /* parse additional setup parameters if given */
12814 err = nl80211_parse_mesh_setup(info, &setup);
12815 if (err)
12816 return err;
12817 }
12818
d37bb18a
TP		 12819 if (setup.user_mpm)
12820 cfg.auto_open_plinks = false;
12821
cc1d2806 12822 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 12823 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12824 if (err)
12825 return err;
cc1d2806 12826 } else {
188c1b3c 12827 /* __cfg80211_join_mesh() will sort it out */
683b6d3b 12828 setup.chandef.chan = NULL;
cc1d2806
JB		 12829 }
12830
ffb3cf30
AN		 12831 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
12832 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
12833 int n_rates =
12834 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
12835 struct ieee80211_supported_band *sband;
12836
12837 if (!setup.chandef.chan)
12838 return -EINVAL;
12839
12840 sband = rdev->wiphy.bands[setup.chandef.chan->band];
12841
12842 err = ieee80211_get_ratemask(sband, rates, n_rates,
12843 &setup.basic_rates);
12844 if (err)
12845 return err;
12846 }
12847
8564e382 12848 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488
TC		 12849 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12850 NL80211_ATTR_TX_RATES,
eb89a6a6 12851 &setup.beacon_rate,
7b0a0e3c 12852 dev, false, 0);
8564e382
JB		 12853 if (err)
12854 return err;
12855
265698d7
JB		 12856 if (!setup.chandef.chan)
12857 return -EINVAL;
12858
8564e382
JB		 12859 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
12860 &setup.beacon_rate);
12861 if (err)
12862 return err;
12863 }
12864
d37d49c2
BB		 12865 setup.userspace_handles_dfs =
12866 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
12867
1224f583
DK		 12868 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
12869 int r = validate_pae_over_nl80211(rdev, info);
12870
12871 if (r < 0)
12872 return r;
12873
12874 setup.control_port_over_nl80211 = true;
12875 }
12876
188c1b3c
DK		 12877 wdev_lock(dev->ieee80211_ptr);
12878 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
12879 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
12880 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
12881 wdev_unlock(dev->ieee80211_ptr);
12882
12883 return err;
29cbe68c
JB		 12884}
12885
12886static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
12887{
12888 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12889 struct net_device *dev = info->user_ptr[1];
12890
12891 return cfg80211_leave_mesh(rdev, dev);
12892}
12893
dfb89c56 12894#ifdef CONFIG_PM
bb92d199
AK		 12895static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
12896 struct cfg80211_registered_device *rdev)
12897{
6abb9cb9 12898 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
bb92d199
AK		 12899 struct nlattr *nl_pats, *nl_pat;
12900 int i, pat_len;
12901
6abb9cb9 12902 if (!wowlan->n_patterns)
bb92d199
AK		 12903 return 0;
12904
ae0be8de 12905 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
bb92d199
AK		 12906 if (!nl_pats)
12907 return -ENOBUFS;
12908
6abb9cb9 12909 for (i = 0; i < wowlan->n_patterns; i++) {
ae0be8de 12910 nl_pat = nla_nest_start_noflag(msg, i + 1);
bb92d199
AK		 12911 if (!nl_pat)
12912 return -ENOBUFS;
6abb9cb9 12913 pat_len = wowlan->patterns[i].pattern_len;
50ac6607 12914 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
6abb9cb9 12915 wowlan->patterns[i].mask) ||
50ac6607
AK		 12916 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12917 wowlan->patterns[i].pattern) ||
12918 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
6abb9cb9 12919 wowlan->patterns[i].pkt_offset))
bb92d199
AK		 12920 return -ENOBUFS;
12921 nla_nest_end(msg, nl_pat);
12922 }
12923 nla_nest_end(msg, nl_pats);
12924
12925 return 0;
12926}
12927
2a0e047e
JB		 12928static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
12929 struct cfg80211_wowlan_tcp *tcp)
12930{
12931 struct nlattr *nl_tcp;
12932
12933 if (!tcp)
12934 return 0;
12935
ae0be8de
MK		 12936 nl_tcp = nla_nest_start_noflag(msg,
12937 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
2a0e047e
JB		 12938 if (!nl_tcp)
12939 return -ENOBUFS;
12940
930345ea
JB		 12941 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
12942 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
2a0e047e
JB		 12943 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
12944 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
12945 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
12946 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
12947 tcp->payload_len, tcp->payload) ||
12948 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
12949 tcp->data_interval) ||
12950 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
12951 tcp->wake_len, tcp->wake_data) ||
12952 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
12953 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
12954 return -ENOBUFS;
12955
12956 if (tcp->payload_seq.len &&
12957 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
12958 sizeof(tcp->payload_seq), &tcp->payload_seq))
12959 return -ENOBUFS;
12960
12961 if (tcp->payload_tok.len &&
12962 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
12963 sizeof(tcp->payload_tok) + tcp->tokens_size,
12964 &tcp->payload_tok))
12965 return -ENOBUFS;
12966
e248ad30
JB		 12967 nla_nest_end(msg, nl_tcp);
12968
2a0e047e
JB		 12969 return 0;
12970}
12971
75453ccb
LC		 12972static int nl80211_send_wowlan_nd(struct sk_buff *msg,
12973 struct cfg80211_sched_scan_request *req)
12974{
3b06d277 12975 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
75453ccb
LC		 12976 int i;
12977
12978 if (!req)
12979 return 0;
12980
ae0be8de 12981 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
75453ccb
LC		 12982 if (!nd)
12983 return -ENOBUFS;
12984
3b06d277
AS		 12985 if (req->n_scan_plans == 1 &&
12986 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
12987 req->scan_plans[0].interval * 1000))
75453ccb
LC		 12988 return -ENOBUFS;
12989
21fea567
LC		 12990 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
12991 return -ENOBUFS;
12992
bf95ecdb 12993 if (req->relative_rssi_set) {
12994 struct nl80211_bss_select_rssi_adjust rssi_adjust;
12995
12996 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
12997 req->relative_rssi))
12998 return -ENOBUFS;
12999
13000 rssi_adjust.band = req->rssi_adjust.band;
13001 rssi_adjust.delta = req->rssi_adjust.delta;
13002 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
13003 sizeof(rssi_adjust), &rssi_adjust))
13004 return -ENOBUFS;
13005 }
13006
ae0be8de 13007 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
75453ccb
LC		 13008 if (!freqs)
13009 return -ENOBUFS;
13010
53b18980
JB		 13011 for (i = 0; i < req->n_channels; i++) {
13012 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
13013 return -ENOBUFS;
13014 }
75453ccb
LC		 13015
13016 nla_nest_end(msg, freqs);
13017
13018 if (req->n_match_sets) {
ae0be8de
MK		 13019 matches = nla_nest_start_noflag(msg,
13020 NL80211_ATTR_SCHED_SCAN_MATCH);
76e1fb4b
JB		 13021 if (!matches)
13022 return -ENOBUFS;
13023
75453ccb 13024 for (i = 0; i < req->n_match_sets; i++) {
ae0be8de 13025 match = nla_nest_start_noflag(msg, i);
76e1fb4b
JB		 13026 if (!match)
13027 return -ENOBUFS;
13028
53b18980
JB		 13029 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
13030 req->match_sets[i].ssid.ssid_len,
13031 req->match_sets[i].ssid.ssid))
13032 return -ENOBUFS;
75453ccb
LC		 13033 nla_nest_end(msg, match);
13034 }
13035 nla_nest_end(msg, matches);
13036 }
13037
ae0be8de 13038 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
3b06d277
AS		 13039 if (!scan_plans)
13040 return -ENOBUFS;
13041
13042 for (i = 0; i < req->n_scan_plans; i++) {
ae0be8de 13043 scan_plan = nla_nest_start_noflag(msg, i + 1);
76e1fb4b
JB		 13044 if (!scan_plan)
13045 return -ENOBUFS;
13046
67626964 13047 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
3b06d277
AS		 13048 req->scan_plans[i].interval) ||
13049 (req->scan_plans[i].iterations &&
13050 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
13051 req->scan_plans[i].iterations)))
13052 return -ENOBUFS;
13053 nla_nest_end(msg, scan_plan);
13054 }
13055 nla_nest_end(msg, scan_plans);
13056
75453ccb
LC		 13057 nla_nest_end(msg, nd);
13058
13059 return 0;
13060}
13061
ff1b6e69
JB		 13062static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
13063{
13064 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13065 struct sk_buff *msg;
13066 void *hdr;
2a0e047e 13067 u32 size = NLMSG_DEFAULT_SIZE;
ff1b6e69 13068
964dc9e2 13069 if (!rdev->wiphy.wowlan)
ff1b6e69
JB		 13070 return -EOPNOTSUPP;
13071
6abb9cb9 13072 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
2a0e047e 13073 /* adjust size to have room for all the data */
6abb9cb9
JB		 13074 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
13075 rdev->wiphy.wowlan_config->tcp->payload_len +
13076 rdev->wiphy.wowlan_config->tcp->wake_len +
13077 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
2a0e047e
JB		 13078 }
13079
13080 msg = nlmsg_new(size, GFP_KERNEL);
ff1b6e69
JB		 13081 if (!msg)
13082 return -ENOMEM;
13083
15e47304 13084 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ff1b6e69
JB		 13085 NL80211_CMD_GET_WOWLAN);
13086 if (!hdr)
13087 goto nla_put_failure;
13088
6abb9cb9 13089 if (rdev->wiphy.wowlan_config) {
ff1b6e69
JB		 13090 struct nlattr *nl_wowlan;
13091
ae0be8de
MK		 13092 nl_wowlan = nla_nest_start_noflag(msg,
13093 NL80211_ATTR_WOWLAN_TRIGGERS);
ff1b6e69
JB		 13094 if (!nl_wowlan)
13095 goto nla_put_failure;
13096
6abb9cb9 13097 if ((rdev->wiphy.wowlan_config->any &&
9360ffd1 13098 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6abb9cb9 13099 (rdev->wiphy.wowlan_config->disconnect &&
9360ffd1 13100 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6abb9cb9 13101 (rdev->wiphy.wowlan_config->magic_pkt &&
9360ffd1 13102 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6abb9cb9 13103 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9360ffd1 13104 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6abb9cb9 13105 (rdev->wiphy.wowlan_config->eap_identity_req &&
9360ffd1 13106 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6abb9cb9 13107 (rdev->wiphy.wowlan_config->four_way_handshake &&
9360ffd1 13108 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6abb9cb9 13109 (rdev->wiphy.wowlan_config->rfkill_release &&
9360ffd1
DM		 13110 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
13111 goto nla_put_failure;
2a0e047e 13112
bb92d199
AK		 13113 if (nl80211_send_wowlan_patterns(msg, rdev))
13114 goto nla_put_failure;
2a0e047e 13115
6abb9cb9
JB		 13116 if (nl80211_send_wowlan_tcp(msg,
13117 rdev->wiphy.wowlan_config->tcp))
2a0e047e 13118 goto nla_put_failure;
75453ccb
LC		 13119
13120 if (nl80211_send_wowlan_nd(
13121 msg,
13122 rdev->wiphy.wowlan_config->nd_config))
13123 goto nla_put_failure;
2a0e047e 13124
ff1b6e69
JB		 13125 nla_nest_end(msg, nl_wowlan);
13126 }
13127
13128 genlmsg_end(msg, hdr);
13129 return genlmsg_reply(msg, info);
13130
13131nla_put_failure:
13132 nlmsg_free(msg);
13133 return -ENOBUFS;
13134}
13135
2a0e047e
JB		 13136static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
13137 struct nlattr *attr,
13138 struct cfg80211_wowlan *trig)
13139{
13140 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
13141 struct cfg80211_wowlan_tcp *cfg;
13142 struct nl80211_wowlan_tcp_data_token *tok = NULL;
13143 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
13144 u32 size;
13145 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
13146 int err, port;
13147
964dc9e2 13148 if (!rdev->wiphy.wowlan->tcp)
2a0e047e
JB		 13149 return -EINVAL;
13150
8cb08174
JB		 13151 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
13152 nl80211_wowlan_tcp_policy, NULL);
2a0e047e
JB		 13153 if (err)
13154 return err;
13155
13156 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
13157 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
13158 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
13159 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
13160 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
13161 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
13162 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
13163 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
13164 return -EINVAL;
13165
13166 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
964dc9e2 13167 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
2a0e047e
JB		 13168 return -EINVAL;
13169
13170 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
964dc9e2 13171 rdev->wiphy.wowlan->tcp->data_interval_max ||
723d568a 13172 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
2a0e047e
JB		 13173 return -EINVAL;
13174
13175 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
964dc9e2 13176 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
2a0e047e
JB		 13177 return -EINVAL;
13178
13179 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
13180 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
13181 return -EINVAL;
13182
13183 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
13184 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13185
13186 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13187 tokens_size = tokln - sizeof(*tok);
13188
13189 if (!tok->len || tokens_size % tok->len)
13190 return -EINVAL;
964dc9e2 13191 if (!rdev->wiphy.wowlan->tcp->tok)
2a0e047e 13192 return -EINVAL;
964dc9e2 13193 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
2a0e047e 13194 return -EINVAL;
964dc9e2 13195 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
2a0e047e 13196 return -EINVAL;
964dc9e2 13197 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
2a0e047e
JB		 13198 return -EINVAL;
13199 if (tok->offset + tok->len > data_size)
13200 return -EINVAL;
13201 }
13202
13203 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
13204 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
964dc9e2 13205 if (!rdev->wiphy.wowlan->tcp->seq)
2a0e047e
JB		 13206 return -EINVAL;
13207 if (seq->len == 0 || seq->len > 4)
13208 return -EINVAL;
13209 if (seq->len + seq->offset > data_size)
13210 return -EINVAL;
13211 }
13212
13213 size = sizeof(*cfg);
13214 size += data_size;
13215 size += wake_size + wake_mask_size;
13216 size += tokens_size;
13217
13218 cfg = kzalloc(size, GFP_KERNEL);
13219 if (!cfg)
13220 return -ENOMEM;
67b61f6c
JB		 13221 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
13222 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
2a0e047e
JB		 13223 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
13224 ETH_ALEN);
13225 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
13226 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
13227 else
13228 port = 0;
13229#ifdef CONFIG_INET
13230 /* allocate a socket and port for it and use it */
13231 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
13232 IPPROTO_TCP, &cfg->sock, 1);
13233 if (err) {
13234 kfree(cfg);
13235 return err;
13236 }
13237 if (inet_csk_get_port(cfg->sock->sk, port)) {
13238 sock_release(cfg->sock);
13239 kfree(cfg);
13240 return -EADDRINUSE;
13241 }
13242 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
13243#else
13244 if (!port) {
13245 kfree(cfg);
13246 return -EINVAL;
13247 }
13248 cfg->src_port = port;
13249#endif
13250
13251 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
13252 cfg->payload_len = data_size;
13253 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
13254 memcpy((void *)cfg->payload,
13255 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
13256 data_size);
13257 if (seq)
13258 cfg->payload_seq = *seq;
13259 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
13260 cfg->wake_len = wake_size;
13261 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
13262 memcpy((void *)cfg->wake_data,
13263 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
13264 wake_size);
13265 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
13266 data_size + wake_size;
13267 memcpy((void *)cfg->wake_mask,
13268 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
13269 wake_mask_size);
13270 if (tok) {
13271 cfg->tokens_size = tokens_size;
10d5ea5a
KC		 13272 cfg->payload_tok = *tok;
13273 memcpy(cfg->payload_tok.token_stream, tok->token_stream,
13274 tokens_size);
2a0e047e
JB		 13275 }
13276
13277 trig->tcp = cfg;
13278
13279 return 0;
13280}
13281
8cd4d456
LC		 13282static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
13283 const struct wiphy_wowlan_support *wowlan,
13284 struct nlattr *attr,
13285 struct cfg80211_wowlan *trig)
13286{
13287 struct nlattr **tb;
13288 int err;
13289
6396bb22 13290 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
8cd4d456
LC		 13291 if (!tb)
13292 return -ENOMEM;
13293
13294 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
13295 err = -EOPNOTSUPP;
13296 goto out;
13297 }
13298
8cb08174
JB		 13299 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
13300 nl80211_policy, NULL);
8cd4d456
LC		 13301 if (err)
13302 goto out;
13303
aad1e812
AVS		 13304 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
13305 wowlan->max_nd_match_sets);
8cd4d456
LC		 13306 err = PTR_ERR_OR_ZERO(trig->nd_config);
13307 if (err)
13308 trig->nd_config = NULL;
13309
13310out:
13311 kfree(tb);
13312 return err;
13313}
13314
ff1b6e69
JB		 13315static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
13316{
13317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13318 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
ff1b6e69 13319 struct cfg80211_wowlan new_triggers = {};
ae33bd81 13320 struct cfg80211_wowlan *ntrig;
964dc9e2 13321 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
ff1b6e69 13322 int err, i;
6abb9cb9 13323 bool prev_enabled = rdev->wiphy.wowlan_config;
98fc4386 13324 bool regular = false;
ff1b6e69 13325
964dc9e2 13326 if (!wowlan)
ff1b6e69
JB		 13327 return -EOPNOTSUPP;
13328
ae33bd81
JB		 13329 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
13330 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 13331 rdev->wiphy.wowlan_config = NULL;
ae33bd81
JB		 13332 goto set_wakeup;
13333 }
ff1b6e69 13334
8cb08174
JB		 13335 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
13336 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
13337 nl80211_wowlan_policy, info->extack);
ff1b6e69
JB		 13338 if (err)
13339 return err;
13340
13341 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
13342 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
13343 return -EINVAL;
13344 new_triggers.any = true;
13345 }
13346
13347 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
13348 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
13349 return -EINVAL;
13350 new_triggers.disconnect = true;
98fc4386 13351 regular = true;
ff1b6e69
JB		 13352 }
13353
13354 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
13355 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
13356 return -EINVAL;
13357 new_triggers.magic_pkt = true;
98fc4386 13358 regular = true;
ff1b6e69
JB		 13359 }
13360
77dbbb13
JB		 13361 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
13362 return -EINVAL;
13363
13364 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
13365 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
13366 return -EINVAL;
13367 new_triggers.gtk_rekey_failure = true;
98fc4386 13368 regular = true;
77dbbb13
JB		 13369 }
13370
13371 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
13372 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
13373 return -EINVAL;
13374 new_triggers.eap_identity_req = true;
98fc4386 13375 regular = true;
77dbbb13
JB		 13376 }
13377
13378 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
13379 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
13380 return -EINVAL;
13381 new_triggers.four_way_handshake = true;
98fc4386 13382 regular = true;
77dbbb13
JB		 13383 }
13384
13385 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
13386 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
13387 return -EINVAL;
13388 new_triggers.rfkill_release = true;
98fc4386 13389 regular = true;
77dbbb13
JB		 13390 }
13391
ff1b6e69
JB		 13392 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
13393 struct nlattr *pat;
13394 int n_patterns = 0;
bb92d199 13395 int rem, pat_len, mask_len, pkt_offset;
50ac6607 13396 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
ff1b6e69 13397
98fc4386
JB		 13398 regular = true;
13399
ff1b6e69
JB		 13400 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13401 rem)
13402 n_patterns++;
13403 if (n_patterns > wowlan->n_patterns)
13404 return -EINVAL;
13405
13406 new_triggers.patterns = kcalloc(n_patterns,
13407 sizeof(new_triggers.patterns[0]),
13408 GFP_KERNEL);
13409 if (!new_triggers.patterns)
13410 return -ENOMEM;
13411
13412 new_triggers.n_patterns = n_patterns;
13413 i = 0;
13414
13415 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13416 rem) {
922bd80f
JB		 13417 u8 *mask_pat;
13418
8cb08174
JB		 13419 err = nla_parse_nested_deprecated(pat_tb,
13420 MAX_NL80211_PKTPAT,
13421 pat,
13422 nl80211_packet_pattern_policy,
13423 info->extack);
95bca62f
JB		 13424 if (err)
13425 goto error;
13426
ff1b6e69 13427 err = -EINVAL;
50ac6607
AK		 13428 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13429 !pat_tb[NL80211_PKTPAT_PATTERN])
ff1b6e69 13430 goto error;
50ac6607 13431 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
ff1b6e69 13432 mask_len = DIV_ROUND_UP(pat_len, 8);
50ac6607 13433 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
ff1b6e69
JB		 13434 goto error;
13435 if (pat_len > wowlan->pattern_max_len ||
13436 pat_len < wowlan->pattern_min_len)
13437 goto error;
13438
50ac6607 13439 if (!pat_tb[NL80211_PKTPAT_OFFSET])
bb92d199
AK		 13440 pkt_offset = 0;
13441 else
13442 pkt_offset = nla_get_u32(
50ac6607 13443 pat_tb[NL80211_PKTPAT_OFFSET]);
bb92d199
AK		 13444 if (pkt_offset > wowlan->max_pkt_offset)
13445 goto error;
13446 new_triggers.patterns[i].pkt_offset = pkt_offset;
13447
922bd80f
JB		 13448 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13449 if (!mask_pat) {
ff1b6e69
JB		 13450 err = -ENOMEM;
13451 goto error;
13452 }
922bd80f
JB		 13453 new_triggers.patterns[i].mask = mask_pat;
13454 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
ff1b6e69 13455 mask_len);
922bd80f
JB		 13456 mask_pat += mask_len;
13457 new_triggers.patterns[i].pattern = mask_pat;
ff1b6e69 13458 new_triggers.patterns[i].pattern_len = pat_len;
922bd80f 13459 memcpy(mask_pat,
50ac6607 13460 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
ff1b6e69
JB		 13461 pat_len);
13462 i++;
13463 }
13464 }
13465
2a0e047e 13466 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
98fc4386 13467 regular = true;
2a0e047e
JB		 13468 err = nl80211_parse_wowlan_tcp(
13469 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
13470 &new_triggers);
13471 if (err)
13472 goto error;
13473 }
13474
8cd4d456 13475 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
98fc4386 13476 regular = true;
8cd4d456
LC		 13477 err = nl80211_parse_wowlan_nd(
13478 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
13479 &new_triggers);
13480 if (err)
13481 goto error;
13482 }
13483
98fc4386
JB		 13484 /* The 'any' trigger means the device continues operating more or less
13485 * as in its normal operation mode and wakes up the host on most of the
13486 * normal interrupts (like packet RX, ...)
13487 * It therefore makes little sense to combine with the more constrained
13488 * wakeup trigger modes.
13489 */
13490 if (new_triggers.any && regular) {
13491 err = -EINVAL;
13492 goto error;
13493 }
13494
ae33bd81
JB		 13495 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
13496 if (!ntrig) {
13497 err = -ENOMEM;
13498 goto error;
ff1b6e69 13499 }
ae33bd81 13500 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 13501 rdev->wiphy.wowlan_config = ntrig;
ff1b6e69 13502
ae33bd81 13503 set_wakeup:
6abb9cb9
JB		 13504 if (rdev->ops->set_wakeup &&
13505 prev_enabled != !!rdev->wiphy.wowlan_config)
13506 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
6d52563f 13507
ff1b6e69
JB		 13508 return 0;
13509 error:
13510 for (i = 0; i < new_triggers.n_patterns; i++)
13511 kfree(new_triggers.patterns[i].mask);
13512 kfree(new_triggers.patterns);
2a0e047e
JB		 13513 if (new_triggers.tcp && new_triggers.tcp->sock)
13514 sock_release(new_triggers.tcp->sock);
13515 kfree(new_triggers.tcp);
e5dbe070 13516 kfree(new_triggers.nd_config);
ff1b6e69
JB		 13517 return err;
13518}
dfb89c56 13519#endif
ff1b6e69 13520
be29b99a
AK		 13521static int nl80211_send_coalesce_rules(struct sk_buff *msg,
13522 struct cfg80211_registered_device *rdev)
13523{
13524 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
13525 int i, j, pat_len;
13526 struct cfg80211_coalesce_rules *rule;
13527
13528 if (!rdev->coalesce->n_rules)
13529 return 0;
13530
ae0be8de 13531 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
be29b99a
AK		 13532 if (!nl_rules)
13533 return -ENOBUFS;
13534
13535 for (i = 0; i < rdev->coalesce->n_rules; i++) {
ae0be8de 13536 nl_rule = nla_nest_start_noflag(msg, i + 1);
be29b99a
AK		 13537 if (!nl_rule)
13538 return -ENOBUFS;
13539
13540 rule = &rdev->coalesce->rules[i];
13541 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
13542 rule->delay))
13543 return -ENOBUFS;
13544
13545 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
13546 rule->condition))
13547 return -ENOBUFS;
13548
ae0be8de
MK		 13549 nl_pats = nla_nest_start_noflag(msg,
13550 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
be29b99a
AK		 13551 if (!nl_pats)
13552 return -ENOBUFS;
13553
13554 for (j = 0; j < rule->n_patterns; j++) {
ae0be8de 13555 nl_pat = nla_nest_start_noflag(msg, j + 1);
be29b99a
AK		 13556 if (!nl_pat)
13557 return -ENOBUFS;
13558 pat_len = rule->patterns[j].pattern_len;
13559 if (nla_put(msg, NL80211_PKTPAT_MASK,
13560 DIV_ROUND_UP(pat_len, 8),
13561 rule->patterns[j].mask) ||
13562 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13563 rule->patterns[j].pattern) ||
13564 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13565 rule->patterns[j].pkt_offset))
13566 return -ENOBUFS;
13567 nla_nest_end(msg, nl_pat);
13568 }
13569 nla_nest_end(msg, nl_pats);
13570 nla_nest_end(msg, nl_rule);
13571 }
13572 nla_nest_end(msg, nl_rules);
13573
13574 return 0;
13575}
13576
13577static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
13578{
13579 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13580 struct sk_buff *msg;
13581 void *hdr;
13582
13583 if (!rdev->wiphy.coalesce)
13584 return -EOPNOTSUPP;
13585
13586 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13587 if (!msg)
13588 return -ENOMEM;
13589
13590 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13591 NL80211_CMD_GET_COALESCE);
13592 if (!hdr)
13593 goto nla_put_failure;
13594
13595 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
13596 goto nla_put_failure;
13597
13598 genlmsg_end(msg, hdr);
13599 return genlmsg_reply(msg, info);
13600
13601nla_put_failure:
13602 nlmsg_free(msg);
13603 return -ENOBUFS;
13604}
13605
13606void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
13607{
13608 struct cfg80211_coalesce *coalesce = rdev->coalesce;
13609 int i, j;
13610 struct cfg80211_coalesce_rules *rule;
13611
13612 if (!coalesce)
13613 return;
13614
13615 for (i = 0; i < coalesce->n_rules; i++) {
13616 rule = &coalesce->rules[i];
13617 for (j = 0; j < rule->n_patterns; j++)
13618 kfree(rule->patterns[j].mask);
13619 kfree(rule->patterns);
13620 }
13621 kfree(coalesce->rules);
13622 kfree(coalesce);
13623 rdev->coalesce = NULL;
13624}
13625
13626static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
13627 struct nlattr *rule,
13628 struct cfg80211_coalesce_rules *new_rule)
13629{
13630 int err, i;
13631 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13632 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
13633 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
13634 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13635
8cb08174
JB		 13636 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
13637 rule, nl80211_coalesce_policy, NULL);
be29b99a
AK		 13638 if (err)
13639 return err;
13640
13641 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
13642 new_rule->delay =
13643 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
13644 if (new_rule->delay > coalesce->max_delay)
13645 return -EINVAL;
13646
13647 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
13648 new_rule->condition =
13649 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
be29b99a
AK		 13650
13651 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
13652 return -EINVAL;
13653
13654 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13655 rem)
13656 n_patterns++;
13657 if (n_patterns > coalesce->n_patterns)
13658 return -EINVAL;
13659
13660 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
13661 GFP_KERNEL);
13662 if (!new_rule->patterns)
13663 return -ENOMEM;
13664
13665 new_rule->n_patterns = n_patterns;
13666 i = 0;
13667
13668 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13669 rem) {
922bd80f
JB		 13670 u8 *mask_pat;
13671
8cb08174
JB		 13672 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
13673 pat,
13674 nl80211_packet_pattern_policy,
13675 NULL);
95bca62f
JB		 13676 if (err)
13677 return err;
13678
be29b99a
AK		 13679 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13680 !pat_tb[NL80211_PKTPAT_PATTERN])
13681 return -EINVAL;
13682 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13683 mask_len = DIV_ROUND_UP(pat_len, 8);
13684 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13685 return -EINVAL;
13686 if (pat_len > coalesce->pattern_max_len ||
13687 pat_len < coalesce->pattern_min_len)
13688 return -EINVAL;
13689
13690 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13691 pkt_offset = 0;
13692 else
13693 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
13694 if (pkt_offset > coalesce->max_pkt_offset)
13695 return -EINVAL;
13696 new_rule->patterns[i].pkt_offset = pkt_offset;
13697
922bd80f
JB		 13698 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13699 if (!mask_pat)
be29b99a 13700 return -ENOMEM;
922bd80f
JB		 13701
13702 new_rule->patterns[i].mask = mask_pat;
13703 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13704 mask_len);
13705
13706 mask_pat += mask_len;
13707 new_rule->patterns[i].pattern = mask_pat;
be29b99a 13708 new_rule->patterns[i].pattern_len = pat_len;
922bd80f
JB		 13709 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13710 pat_len);
be29b99a
AK		 13711 i++;
13712 }
13713
13714 return 0;
13715}
13716
13717static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
13718{
13719 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13720 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13721 struct cfg80211_coalesce new_coalesce = {};
13722 struct cfg80211_coalesce *n_coalesce;
13723 int err, rem_rule, n_rules = 0, i, j;
13724 struct nlattr *rule;
13725 struct cfg80211_coalesce_rules *tmp_rule;
13726
13727 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
13728 return -EOPNOTSUPP;
13729
13730 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
13731 cfg80211_rdev_free_coalesce(rdev);
a1056b1b 13732 rdev_set_coalesce(rdev, NULL);
be29b99a
AK		 13733 return 0;
13734 }
13735
13736 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13737 rem_rule)
13738 n_rules++;
13739 if (n_rules > coalesce->n_rules)
13740 return -EINVAL;
13741
13742 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
13743 GFP_KERNEL);
13744 if (!new_coalesce.rules)
13745 return -ENOMEM;
13746
13747 new_coalesce.n_rules = n_rules;
13748 i = 0;
13749
13750 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13751 rem_rule) {
13752 err = nl80211_parse_coalesce_rule(rdev, rule,
13753 &new_coalesce.rules[i]);
13754 if (err)
13755 goto error;
13756
13757 i++;
13758 }
13759
a1056b1b 13760 err = rdev_set_coalesce(rdev, &new_coalesce);
be29b99a
AK		 13761 if (err)
13762 goto error;
13763
13764 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
13765 if (!n_coalesce) {
13766 err = -ENOMEM;
13767 goto error;
13768 }
13769 cfg80211_rdev_free_coalesce(rdev);
13770 rdev->coalesce = n_coalesce;
13771
13772 return 0;
13773error:
13774 for (i = 0; i < new_coalesce.n_rules; i++) {
13775 tmp_rule = &new_coalesce.rules[i];
13776 for (j = 0; j < tmp_rule->n_patterns; j++)
13777 kfree(tmp_rule->patterns[j].mask);
13778 kfree(tmp_rule->patterns);
13779 }
13780 kfree(new_coalesce.rules);
13781
13782 return err;
13783}
13784
e5497d76
JB		 13785static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
13786{
13787 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13788 struct net_device *dev = info->user_ptr[1];
13789 struct wireless_dev *wdev = dev->ieee80211_ptr;
13790 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
f495acd8 13791 struct cfg80211_gtk_rekey_data rekey_data = {};
e5497d76
JB		 13792 int err;
13793
13794 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
13795 return -EINVAL;
13796
8cb08174
JB		 13797 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
13798 info->attrs[NL80211_ATTR_REKEY_DATA],
13799 nl80211_rekey_policy, info->extack);
e5497d76
JB		 13800 if (err)
13801 return err;
13802
e785fa0a
VD		 13803 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
13804 !tb[NL80211_REKEY_DATA_KCK])
13805 return -EINVAL;
093a48d2
NE		 13806 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
13807 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
13808 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
e5497d76 13809 return -ERANGE;
093a48d2
NE		 13810 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
13811 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
13812 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
e5497d76
JB		 13813 return -ERANGE;
13814
78f686ca
JB		 13815 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
13816 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
13817 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
093a48d2
NE		 13818 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
13819 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
13820 if (tb[NL80211_REKEY_DATA_AKM])
13821 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
e5497d76
JB		 13822
13823 wdev_lock(wdev);
7b0a0e3c 13824 if (!wdev->connected) {
e5497d76
JB		 13825 err = -ENOTCONN;
13826 goto out;
13827 }
13828
13829 if (!rdev->ops->set_rekey_data) {
13830 err = -EOPNOTSUPP;
13831 goto out;
13832 }
13833
e35e4d28 13834 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
e5497d76
JB		 13835 out:
13836 wdev_unlock(wdev);
13837 return err;
13838}
13839
28946da7
JB		 13840static int nl80211_register_unexpected_frame(struct sk_buff *skb,
13841 struct genl_info *info)
13842{
13843 struct net_device *dev = info->user_ptr[1];
13844 struct wireless_dev *wdev = dev->ieee80211_ptr;
13845
13846 if (wdev->iftype != NL80211_IFTYPE_AP &&
13847 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13848 return -EINVAL;
13849
15e47304 13850 if (wdev->ap_unexpected_nlportid)
28946da7
JB		 13851 return -EBUSY;
13852
15e47304 13853 wdev->ap_unexpected_nlportid = info->snd_portid;
28946da7
JB		 13854 return 0;
13855}
13856
7f6cf311
JB		 13857static int nl80211_probe_client(struct sk_buff *skb,
13858 struct genl_info *info)
13859{
13860 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13861 struct net_device *dev = info->user_ptr[1];
13862 struct wireless_dev *wdev = dev->ieee80211_ptr;
13863 struct sk_buff *msg;
13864 void *hdr;
13865 const u8 *addr;
13866 u64 cookie;
13867 int err;
13868
13869 if (wdev->iftype != NL80211_IFTYPE_AP &&
13870 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13871 return -EOPNOTSUPP;
13872
13873 if (!info->attrs[NL80211_ATTR_MAC])
13874 return -EINVAL;
13875
13876 if (!rdev->ops->probe_client)
13877 return -EOPNOTSUPP;
13878
13879 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13880 if (!msg)
13881 return -ENOMEM;
13882
15e47304 13883 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7f6cf311 13884 NL80211_CMD_PROBE_CLIENT);
cb35fba3
DC		 13885 if (!hdr) {
13886 err = -ENOBUFS;
7f6cf311
JB		 13887 goto free_msg;
13888 }
13889
13890 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13891
e35e4d28 13892 err = rdev_probe_client(rdev, dev, addr, &cookie);
7f6cf311
JB		 13893 if (err)
13894 goto free_msg;
13895
2dad624e
ND		 13896 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13897 NL80211_ATTR_PAD))
9360ffd1 13898 goto nla_put_failure;
7f6cf311
JB		 13899
13900 genlmsg_end(msg, hdr);
13901
13902 return genlmsg_reply(msg, info);
13903
13904 nla_put_failure:
13905 err = -ENOBUFS;
13906 free_msg:
13907 nlmsg_free(msg);
13908 return err;
13909}
13910
5e760230
JB		 13911static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
13912{
13913 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c73b5f
BG		 13914 struct cfg80211_beacon_registration *reg, *nreg;
13915 int rv;
5e760230
JB		 13916
13917 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
13918 return -EOPNOTSUPP;
13919
37c73b5f
BG		 13920 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
13921 if (!nreg)
13922 return -ENOMEM;
13923
13924 /* First, check if already registered. */
13925 spin_lock_bh(&rdev->beacon_registrations_lock);
13926 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
13927 if (reg->nlportid == info->snd_portid) {
13928 rv = -EALREADY;
13929 goto out_err;
13930 }
13931 }
13932 /* Add it to the list */
13933 nreg->nlportid = info->snd_portid;
13934 list_add(&nreg->list, &rdev->beacon_registrations);
5e760230 13935
37c73b5f 13936 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 13937
13938 return 0;
37c73b5f
BG		 13939out_err:
13940 spin_unlock_bh(&rdev->beacon_registrations_lock);
13941 kfree(nreg);
13942 return rv;
5e760230
JB		 13943}
13944
98104fde
JB		 13945static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
13946{
13947 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13948 struct wireless_dev *wdev = info->user_ptr[1];
13949 int err;
13950
13951 if (!rdev->ops->start_p2p_device)
13952 return -EOPNOTSUPP;
13953
13954 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13955 return -EOPNOTSUPP;
13956
73c7da3d 13957 if (wdev_running(wdev))
98104fde
JB		 13958 return 0;
13959
358ae888 13960 if (rfkill_blocked(rdev->wiphy.rfkill))
b6a55015 13961 return -ERFKILL;
98104fde 13962
eeb126e9 13963 err = rdev_start_p2p_device(rdev, wdev);
98104fde
JB		 13964 if (err)
13965 return err;
13966
73c7da3d 13967 wdev->is_running = true;
98104fde 13968 rdev->opencount++;
98104fde
JB		 13969
13970 return 0;
13971}
13972
13973static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
13974{
13975 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13976 struct wireless_dev *wdev = info->user_ptr[1];
13977
13978 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13979 return -EOPNOTSUPP;
13980
13981 if (!rdev->ops->stop_p2p_device)
13982 return -EOPNOTSUPP;
13983
f9f47529 13984 cfg80211_stop_p2p_device(rdev, wdev);
98104fde
JB		 13985
13986 return 0;
13987}
13988
cb3b7d87
AB		 13989static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
13990{
13991 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13992 struct wireless_dev *wdev = info->user_ptr[1];
13993 struct cfg80211_nan_conf conf = {};
13994 int err;
13995
13996 if (wdev->iftype != NL80211_IFTYPE_NAN)
13997 return -EOPNOTSUPP;
13998
eeb04a96 13999 if (wdev_running(wdev))
cb3b7d87
AB		 14000 return -EEXIST;
14001
358ae888 14002 if (rfkill_blocked(rdev->wiphy.rfkill))
cb3b7d87
AB		 14003 return -ERFKILL;
14004
14005 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
14006 return -EINVAL;
14007
cb3b7d87
AB		 14008 conf.master_pref =
14009 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
cb3b7d87 14010
8585989d
LC		 14011 if (info->attrs[NL80211_ATTR_BANDS]) {
14012 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14013
14014 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14015 return -EOPNOTSUPP;
14016
14017 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14018 return -EINVAL;
14019
14020 conf.bands = bands;
14021 }
cb3b7d87
AB		 14022
14023 err = rdev_start_nan(rdev, wdev, &conf);
14024 if (err)
14025 return err;
14026
73c7da3d 14027 wdev->is_running = true;
cb3b7d87
AB		 14028 rdev->opencount++;
14029
14030 return 0;
14031}
14032
14033static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
14034{
14035 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14036 struct wireless_dev *wdev = info->user_ptr[1];
14037
14038 if (wdev->iftype != NL80211_IFTYPE_NAN)
14039 return -EOPNOTSUPP;
14040
14041 cfg80211_stop_nan(rdev, wdev);
14042
14043 return 0;
14044}
14045
a442b761
AB		 14046static int validate_nan_filter(struct nlattr *filter_attr)
14047{
14048 struct nlattr *attr;
14049 int len = 0, n_entries = 0, rem;
14050
14051 nla_for_each_nested(attr, filter_attr, rem) {
14052 len += nla_len(attr);
14053 n_entries++;
14054 }
14055
14056 if (len >= U8_MAX)
14057 return -EINVAL;
14058
14059 return n_entries;
14060}
14061
14062static int handle_nan_filter(struct nlattr *attr_filter,
14063 struct cfg80211_nan_func *func,
14064 bool tx)
14065{
14066 struct nlattr *attr;
14067 int n_entries, rem, i;
14068 struct cfg80211_nan_func_filter *filter;
14069
14070 n_entries = validate_nan_filter(attr_filter);
14071 if (n_entries < 0)
14072 return n_entries;
14073
14074 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
14075
14076 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
14077 if (!filter)
14078 return -ENOMEM;
14079
14080 i = 0;
14081 nla_for_each_nested(attr, attr_filter, rem) {
b15ca182 14082 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
6ad27f52
JJ		 14083 if (!filter[i].filter)
14084 goto err;
14085
a442b761
AB		 14086 filter[i].len = nla_len(attr);
14087 i++;
14088 }
14089 if (tx) {
14090 func->num_tx_filters = n_entries;
14091 func->tx_filters = filter;
14092 } else {
14093 func->num_rx_filters = n_entries;
14094 func->rx_filters = filter;
14095 }
14096
14097 return 0;
6ad27f52
JJ		 14098
14099err:
14100 i = 0;
14101 nla_for_each_nested(attr, attr_filter, rem) {
14102 kfree(filter[i].filter);
14103 i++;
14104 }
14105 kfree(filter);
14106 return -ENOMEM;
a442b761
AB		 14107}
14108
14109static int nl80211_nan_add_func(struct sk_buff *skb,
14110 struct genl_info *info)
14111{
14112 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14113 struct wireless_dev *wdev = info->user_ptr[1];
14114 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
14115 struct cfg80211_nan_func *func;
14116 struct sk_buff *msg = NULL;
14117 void *hdr = NULL;
14118 int err = 0;
14119
14120 if (wdev->iftype != NL80211_IFTYPE_NAN)
14121 return -EOPNOTSUPP;
14122
73c7da3d 14123 if (!wdev_running(wdev))
a442b761
AB		 14124 return -ENOTCONN;
14125
14126 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
14127 return -EINVAL;
14128
8cb08174
JB		 14129 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
14130 info->attrs[NL80211_ATTR_NAN_FUNC],
14131 nl80211_nan_func_policy,
14132 info->extack);
a442b761
AB		 14133 if (err)
14134 return err;
14135
14136 func = kzalloc(sizeof(*func), GFP_KERNEL);
14137 if (!func)
14138 return -ENOMEM;
14139
b60ad348 14140 func->cookie = cfg80211_assign_cookie(rdev);
a442b761 14141
cb9abd48 14142 if (!tb[NL80211_NAN_FUNC_TYPE]) {
a442b761
AB		 14143 err = -EINVAL;
14144 goto out;
14145 }
14146
14147
14148 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
14149
14150 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
14151 err = -EINVAL;
14152 goto out;
14153 }
14154
14155 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
14156 sizeof(func->service_id));
14157
14158 func->close_range =
14159 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
14160
14161 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
14162 func->serv_spec_info_len =
14163 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
14164 func->serv_spec_info =
14165 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
14166 func->serv_spec_info_len,
14167 GFP_KERNEL);
14168 if (!func->serv_spec_info) {
14169 err = -ENOMEM;
14170 goto out;
14171 }
14172 }
14173
14174 if (tb[NL80211_NAN_FUNC_TTL])
14175 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
14176
14177 switch (func->type) {
14178 case NL80211_NAN_FUNC_PUBLISH:
14179 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
14180 err = -EINVAL;
14181 goto out;
14182 }
14183
14184 func->publish_type =
14185 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
14186 func->publish_bcast =
14187 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
14188
14189 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
14190 func->publish_bcast) {
14191 err = -EINVAL;
14192 goto out;
14193 }
14194 break;
14195 case NL80211_NAN_FUNC_SUBSCRIBE:
14196 func->subscribe_active =
14197 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
14198 break;
14199 case NL80211_NAN_FUNC_FOLLOW_UP:
14200 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
3ea15452
HC		 14201 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
14202 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
a442b761
AB		 14203 err = -EINVAL;
14204 goto out;
14205 }
14206
14207 func->followup_id =
14208 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
14209 func->followup_reqid =
14210 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
14211 memcpy(func->followup_dest.addr,
14212 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
14213 sizeof(func->followup_dest.addr));
14214 if (func->ttl) {
14215 err = -EINVAL;
14216 goto out;
14217 }
14218 break;
14219 default:
14220 err = -EINVAL;
14221 goto out;
14222 }
14223
14224 if (tb[NL80211_NAN_FUNC_SRF]) {
14225 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
14226
8cb08174
JB		 14227 err = nla_parse_nested_deprecated(srf_tb,
14228 NL80211_NAN_SRF_ATTR_MAX,
14229 tb[NL80211_NAN_FUNC_SRF],
14230 nl80211_nan_srf_policy,
14231 info->extack);
a442b761
AB		 14232 if (err)
14233 goto out;
14234
14235 func->srf_include =
14236 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
14237
14238 if (srf_tb[NL80211_NAN_SRF_BF]) {
14239 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
14240 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
14241 err = -EINVAL;
14242 goto out;
14243 }
14244
14245 func->srf_bf_len =
14246 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
14247 func->srf_bf =
14248 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
14249 func->srf_bf_len, GFP_KERNEL);
14250 if (!func->srf_bf) {
14251 err = -ENOMEM;
14252 goto out;
14253 }
14254
14255 func->srf_bf_idx =
14256 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
14257 } else {
14258 struct nlattr *attr, *mac_attr =
14259 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
14260 int n_entries, rem, i = 0;
14261
14262 if (!mac_attr) {
14263 err = -EINVAL;
14264 goto out;
14265 }
14266
14267 n_entries = validate_acl_mac_addrs(mac_attr);
14268 if (n_entries <= 0) {
14269 err = -EINVAL;
14270 goto out;
14271 }
14272
14273 func->srf_num_macs = n_entries;
14274 func->srf_macs =
6396bb22 14275 kcalloc(n_entries, sizeof(*func->srf_macs),
a442b761
AB		 14276 GFP_KERNEL);
14277 if (!func->srf_macs) {
14278 err = -ENOMEM;
14279 goto out;
14280 }
14281
14282 nla_for_each_nested(attr, mac_attr, rem)
14283 memcpy(func->srf_macs[i++].addr, nla_data(attr),
14284 sizeof(*func->srf_macs));
14285 }
14286 }
14287
14288 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
14289 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
14290 func, true);
14291 if (err)
14292 goto out;
14293 }
14294
14295 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
14296 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
14297 func, false);
14298 if (err)
14299 goto out;
14300 }
14301
14302 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14303 if (!msg) {
14304 err = -ENOMEM;
14305 goto out;
14306 }
14307
14308 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14309 NL80211_CMD_ADD_NAN_FUNCTION);
14310 /* This can't really happen - we just allocated 4KB */
14311 if (WARN_ON(!hdr)) {
14312 err = -ENOMEM;
14313 goto out;
14314 }
14315
14316 err = rdev_add_nan_func(rdev, wdev, func);
14317out:
14318 if (err < 0) {
14319 cfg80211_free_nan_func(func);
14320 nlmsg_free(msg);
14321 return err;
14322 }
14323
14324 /* propagate the instance id and cookie to userspace */
14325 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
14326 NL80211_ATTR_PAD))
14327 goto nla_put_failure;
14328
ae0be8de 14329 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
a442b761
AB		 14330 if (!func_attr)
14331 goto nla_put_failure;
14332
14333 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
14334 func->instance_id))
14335 goto nla_put_failure;
14336
14337 nla_nest_end(msg, func_attr);
14338
14339 genlmsg_end(msg, hdr);
14340 return genlmsg_reply(msg, info);
14341
14342nla_put_failure:
14343 nlmsg_free(msg);
14344 return -ENOBUFS;
14345}
14346
14347static int nl80211_nan_del_func(struct sk_buff *skb,
14348 struct genl_info *info)
14349{
14350 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14351 struct wireless_dev *wdev = info->user_ptr[1];
14352 u64 cookie;
14353
14354 if (wdev->iftype != NL80211_IFTYPE_NAN)
14355 return -EOPNOTSUPP;
14356
73c7da3d 14357 if (!wdev_running(wdev))
a442b761
AB		 14358 return -ENOTCONN;
14359
14360 if (!info->attrs[NL80211_ATTR_COOKIE])
14361 return -EINVAL;
14362
a442b761
AB		 14363 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
14364
14365 rdev_del_nan_func(rdev, wdev, cookie);
14366
14367 return 0;
14368}
14369
a5a9dcf2
AB		 14370static int nl80211_nan_change_config(struct sk_buff *skb,
14371 struct genl_info *info)
14372{
14373 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14374 struct wireless_dev *wdev = info->user_ptr[1];
14375 struct cfg80211_nan_conf conf = {};
14376 u32 changed = 0;
14377
14378 if (wdev->iftype != NL80211_IFTYPE_NAN)
14379 return -EOPNOTSUPP;
14380
73c7da3d 14381 if (!wdev_running(wdev))
a5a9dcf2
AB		 14382 return -ENOTCONN;
14383
14384 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
14385 conf.master_pref =
14386 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14387 if (conf.master_pref <= 1 || conf.master_pref == 255)
14388 return -EINVAL;
14389
14390 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
14391 }
14392
8585989d
LC		 14393 if (info->attrs[NL80211_ATTR_BANDS]) {
14394 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14395
14396 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14397 return -EOPNOTSUPP;
14398
14399 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14400 return -EINVAL;
14401
14402 conf.bands = bands;
14403 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
a5a9dcf2
AB		 14404 }
14405
14406 if (!changed)
14407 return -EINVAL;
14408
14409 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
14410}
14411
50bcd31d
AB		 14412void cfg80211_nan_match(struct wireless_dev *wdev,
14413 struct cfg80211_nan_match_params *match, gfp_t gfp)
14414{
14415 struct wiphy *wiphy = wdev->wiphy;
14416 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14417 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
14418 struct sk_buff *msg;
14419 void *hdr;
14420
14421 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
14422 return;
14423
14424 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14425 if (!msg)
14426 return;
14427
14428 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
14429 if (!hdr) {
14430 nlmsg_free(msg);
14431 return;
14432 }
14433
14434 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14435 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14436 wdev->netdev->ifindex)) ||
14437 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14438 NL80211_ATTR_PAD))
14439 goto nla_put_failure;
14440
14441 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
14442 NL80211_ATTR_PAD) ||
14443 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
14444 goto nla_put_failure;
14445
ae0be8de 14446 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
50bcd31d
AB		 14447 if (!match_attr)
14448 goto nla_put_failure;
14449
ae0be8de
MK		 14450 local_func_attr = nla_nest_start_noflag(msg,
14451 NL80211_NAN_MATCH_FUNC_LOCAL);
50bcd31d
AB		 14452 if (!local_func_attr)
14453 goto nla_put_failure;
14454
14455 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
14456 goto nla_put_failure;
14457
14458 nla_nest_end(msg, local_func_attr);
14459
ae0be8de
MK		 14460 peer_func_attr = nla_nest_start_noflag(msg,
14461 NL80211_NAN_MATCH_FUNC_PEER);
50bcd31d
AB		 14462 if (!peer_func_attr)
14463 goto nla_put_failure;
14464
14465 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
14466 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
14467 goto nla_put_failure;
14468
14469 if (match->info && match->info_len &&
14470 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
14471 match->info))
14472 goto nla_put_failure;
14473
14474 nla_nest_end(msg, peer_func_attr);
14475 nla_nest_end(msg, match_attr);
14476 genlmsg_end(msg, hdr);
14477
14478 if (!wdev->owner_nlportid)
14479 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14480 msg, 0, NL80211_MCGRP_NAN, gfp);
14481 else
14482 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14483 wdev->owner_nlportid);
14484
14485 return;
14486
14487nla_put_failure:
14488 nlmsg_free(msg);
14489}
14490EXPORT_SYMBOL(cfg80211_nan_match);
14491
368e5a7b
AB		 14492void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
14493 u8 inst_id,
14494 enum nl80211_nan_func_term_reason reason,
14495 u64 cookie, gfp_t gfp)
14496{
14497 struct wiphy *wiphy = wdev->wiphy;
14498 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14499 struct sk_buff *msg;
14500 struct nlattr *func_attr;
14501 void *hdr;
14502
14503 if (WARN_ON(!inst_id))
14504 return;
14505
14506 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14507 if (!msg)
14508 return;
14509
14510 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
14511 if (!hdr) {
14512 nlmsg_free(msg);
14513 return;
14514 }
14515
14516 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14517 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14518 wdev->netdev->ifindex)) ||
14519 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14520 NL80211_ATTR_PAD))
14521 goto nla_put_failure;
14522
14523 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14524 NL80211_ATTR_PAD))
14525 goto nla_put_failure;
14526
ae0be8de 14527 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
368e5a7b
AB		 14528 if (!func_attr)
14529 goto nla_put_failure;
14530
14531 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
14532 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
14533 goto nla_put_failure;
14534
14535 nla_nest_end(msg, func_attr);
14536 genlmsg_end(msg, hdr);
14537
14538 if (!wdev->owner_nlportid)
14539 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14540 msg, 0, NL80211_MCGRP_NAN, gfp);
14541 else
14542 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14543 wdev->owner_nlportid);
14544
14545 return;
14546
14547nla_put_failure:
14548 nlmsg_free(msg);
14549}
14550EXPORT_SYMBOL(cfg80211_nan_func_terminated);
14551
3713b4e3
JB		 14552static int nl80211_get_protocol_features(struct sk_buff *skb,
14553 struct genl_info *info)
14554{
14555 void *hdr;
14556 struct sk_buff *msg;
14557
14558 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14559 if (!msg)
14560 return -ENOMEM;
14561
14562 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14563 NL80211_CMD_GET_PROTOCOL_FEATURES);
14564 if (!hdr)
14565 goto nla_put_failure;
14566
14567 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
14568 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
14569 goto nla_put_failure;
14570
14571 genlmsg_end(msg, hdr);
14572 return genlmsg_reply(msg, info);
14573
14574 nla_put_failure:
14575 kfree_skb(msg);
14576 return -ENOBUFS;
14577}
14578
355199e0
JM		 14579static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
14580{
14581 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14582 struct cfg80211_update_ft_ies_params ft_params;
14583 struct net_device *dev = info->user_ptr[1];
14584
14585 if (!rdev->ops->update_ft_ies)
14586 return -EOPNOTSUPP;
14587
14588 if (!info->attrs[NL80211_ATTR_MDID] ||
3d7af878 14589 !info->attrs[NL80211_ATTR_IE])
355199e0
JM		 14590 return -EINVAL;
14591
14592 memset(&ft_params, 0, sizeof(ft_params));
14593 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
14594 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14595 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14596
14597 return rdev_update_ft_ies(rdev, dev, &ft_params);
14598}
14599
5de17984
AS		 14600static int nl80211_crit_protocol_start(struct sk_buff *skb,
14601 struct genl_info *info)
14602{
14603 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14604 struct wireless_dev *wdev = info->user_ptr[1];
14605 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
14606 u16 duration;
14607 int ret;
14608
14609 if (!rdev->ops->crit_proto_start)
14610 return -EOPNOTSUPP;
14611
14612 if (WARN_ON(!rdev->ops->crit_proto_stop))
14613 return -EINVAL;
14614
14615 if (rdev->crit_proto_nlportid)
14616 return -EBUSY;
14617
14618 /* determine protocol if provided */
14619 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
14620 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
14621
14622 if (proto >= NUM_NL80211_CRIT_PROTO)
14623 return -EINVAL;
14624
14625 /* timeout must be provided */
14626 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
14627 return -EINVAL;
14628
14629 duration =
14630 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
14631
5de17984
AS		 14632 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
14633 if (!ret)
14634 rdev->crit_proto_nlportid = info->snd_portid;
14635
14636 return ret;
14637}
14638
14639static int nl80211_crit_protocol_stop(struct sk_buff *skb,
14640 struct genl_info *info)
14641{
14642 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14643 struct wireless_dev *wdev = info->user_ptr[1];
14644
14645 if (!rdev->ops->crit_proto_stop)
14646 return -EOPNOTSUPP;
14647
14648 if (rdev->crit_proto_nlportid) {
14649 rdev->crit_proto_nlportid = 0;
14650 rdev_crit_proto_stop(rdev, wdev);
14651 }
14652 return 0;
14653}
14654
901bb989
JB		 14655static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
14656 struct nlattr *attr,
14657 struct netlink_ext_ack *extack)
14658{
14659 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
14660 if (attr->nla_type & NLA_F_NESTED) {
14661 NL_SET_ERR_MSG_ATTR(extack, attr,
14662 "unexpected nested data");
14663 return -EINVAL;
14664 }
14665
14666 return 0;
14667 }
14668
14669 if (!(attr->nla_type & NLA_F_NESTED)) {
14670 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
14671 return -EINVAL;
14672 }
14673
32d5109a 14674 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
901bb989
JB		 14675}
14676
ad7e718c
JB		 14677static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
14678{
14679 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14680 struct wireless_dev *wdev =
a05829a7
JB		 14681 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
14682 info->attrs);
ad7e718c
JB		 14683 int i, err;
14684 u32 vid, subcmd;
14685
14686 if (!rdev->wiphy.vendor_commands)
14687 return -EOPNOTSUPP;
14688
14689 if (IS_ERR(wdev)) {
14690 err = PTR_ERR(wdev);
14691 if (err != -EINVAL)
14692 return err;
14693 wdev = NULL;
14694 } else if (wdev->wiphy != &rdev->wiphy) {
14695 return -EINVAL;
14696 }
14697
14698 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
14699 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
14700 return -EINVAL;
14701
14702 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
14703 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
14704 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
14705 const struct wiphy_vendor_command *vcmd;
14706 void *data = NULL;
14707 int len = 0;
14708
14709 vcmd = &rdev->wiphy.vendor_commands[i];
14710
14711 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14712 continue;
14713
14714 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14715 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14716 if (!wdev)
14717 return -EINVAL;
14718 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
14719 !wdev->netdev)
14720 return -EINVAL;
14721
14722 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
73c7da3d 14723 if (!wdev_running(wdev))
ad7e718c
JB		 14724 return -ENETDOWN;
14725 }
14726 } else {
14727 wdev = NULL;
14728 }
14729
4052d3d2
JS		 14730 if (!vcmd->doit)
14731 return -EOPNOTSUPP;
14732
ad7e718c
JB		 14733 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
14734 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14735 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 14736
14737 err = nl80211_vendor_check_policy(vcmd,
14738 info->attrs[NL80211_ATTR_VENDOR_DATA],
14739 info->extack);
14740 if (err)
14741 return err;
ad7e718c
JB		 14742 }
14743
14744 rdev->cur_cmd_info = info;
901bb989 14745 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
ad7e718c
JB		 14746 rdev->cur_cmd_info = NULL;
14747 return err;
14748 }
14749
14750 return -EOPNOTSUPP;
14751}
14752
7bdbe400
JB		 14753static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
14754 struct netlink_callback *cb,
14755 struct cfg80211_registered_device **rdev,
14756 struct wireless_dev **wdev)
14757{
50508d94 14758 struct nlattr **attrbuf;
7bdbe400
JB		 14759 u32 vid, subcmd;
14760 unsigned int i;
14761 int vcmd_idx = -1;
14762 int err;
14763 void *data = NULL;
14764 unsigned int data_len = 0;
14765
7bdbe400
JB		 14766 if (cb->args[0]) {
14767 /* subtract the 1 again here */
14768 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
14769 struct wireless_dev *tmp;
14770
ea90e0dc
JB		 14771 if (!wiphy)
14772 return -ENODEV;
7bdbe400
JB		 14773 *rdev = wiphy_to_rdev(wiphy);
14774 *wdev = NULL;
14775
14776 if (cb->args[1]) {
53873f13 14777 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
7bdbe400
JB		 14778 if (tmp->identifier == cb->args[1] - 1) {
14779 *wdev = tmp;
14780 break;
14781 }
14782 }
14783 }
14784
14785 /* keep rtnl locked in successful case */
14786 return 0;
14787 }
14788
50508d94
JB		 14789 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
14790 if (!attrbuf)
14791 return -ENOMEM;
14792
8cb08174
JB		 14793 err = nlmsg_parse_deprecated(cb->nlh,
14794 GENL_HDRLEN + nl80211_fam.hdrsize,
14795 attrbuf, nl80211_fam.maxattr,
14796 nl80211_policy, NULL);
7bdbe400 14797 if (err)
50508d94 14798 goto out;
7bdbe400 14799
c90c39da 14800 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
50508d94
JB		 14801 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
14802 err = -EINVAL;
14803 goto out;
14804 }
7bdbe400 14805
a05829a7 14806 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
7bdbe400
JB		 14807 if (IS_ERR(*wdev))
14808 *wdev = NULL;
14809
c90c39da 14810 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
50508d94
JB		 14811 if (IS_ERR(*rdev)) {
14812 err = PTR_ERR(*rdev);
14813 goto out;
14814 }
7bdbe400 14815
c90c39da
JB		 14816 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
14817 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
7bdbe400
JB		 14818
14819 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
14820 const struct wiphy_vendor_command *vcmd;
14821
14822 vcmd = &(*rdev)->wiphy.vendor_commands[i];
14823
14824 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14825 continue;
14826
50508d94
JB		 14827 if (!vcmd->dumpit) {
14828 err = -EOPNOTSUPP;
14829 goto out;
14830 }
7bdbe400
JB		 14831
14832 vcmd_idx = i;
14833 break;
14834 }
14835
50508d94
JB		 14836 if (vcmd_idx < 0) {
14837 err = -EOPNOTSUPP;
14838 goto out;
14839 }
7bdbe400 14840
c90c39da
JB		 14841 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
14842 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
14843 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 14844
14845 err = nl80211_vendor_check_policy(
14846 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
14847 attrbuf[NL80211_ATTR_VENDOR_DATA],
14848 cb->extack);
14849 if (err)
50508d94 14850 goto out;
7bdbe400
JB		 14851 }
14852
14853 /* 0 is the first index - add 1 to parse only once */
14854 cb->args[0] = (*rdev)->wiphy_idx + 1;
14855 /* add 1 to know if it was NULL */
14856 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
14857 cb->args[2] = vcmd_idx;
14858 cb->args[3] = (unsigned long)data;
14859 cb->args[4] = data_len;
14860
14861 /* keep rtnl locked in successful case */
50508d94
JB		 14862 err = 0;
14863out:
14864 kfree(attrbuf);
14865 return err;
7bdbe400
JB		 14866}
14867
14868static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
14869 struct netlink_callback *cb)
14870{
14871 struct cfg80211_registered_device *rdev;
14872 struct wireless_dev *wdev;
14873 unsigned int vcmd_idx;
14874 const struct wiphy_vendor_command *vcmd;
14875 void *data;
14876 int data_len;
14877 int err;
14878 struct nlattr *vendor_data;
14879
ea90e0dc 14880 rtnl_lock();
7bdbe400
JB		 14881 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
14882 if (err)
ea90e0dc 14883 goto out;
7bdbe400
JB		 14884
14885 vcmd_idx = cb->args[2];
14886 data = (void *)cb->args[3];
14887 data_len = cb->args[4];
14888 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
14889
14890 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14891 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
ea90e0dc
JB		 14892 if (!wdev) {
14893 err = -EINVAL;
14894 goto out;
14895 }
7bdbe400 14896 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
ea90e0dc
JB		 14897 !wdev->netdev) {
14898 err = -EINVAL;
14899 goto out;
14900 }
7bdbe400
JB		 14901
14902 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
ea90e0dc
JB		 14903 if (!wdev_running(wdev)) {
14904 err = -ENETDOWN;
14905 goto out;
14906 }
7bdbe400
JB		 14907 }
14908 }
14909
14910 while (1) {
14911 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
14912 cb->nlh->nlmsg_seq, NLM_F_MULTI,
14913 NL80211_CMD_VENDOR);
14914 if (!hdr)
14915 break;
14916
14917 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 14918 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
14919 wdev_id(wdev),
14920 NL80211_ATTR_PAD))) {
7bdbe400
JB		 14921 genlmsg_cancel(skb, hdr);
14922 break;
14923 }
14924
ae0be8de
MK		 14925 vendor_data = nla_nest_start_noflag(skb,
14926 NL80211_ATTR_VENDOR_DATA);
7bdbe400
JB		 14927 if (!vendor_data) {
14928 genlmsg_cancel(skb, hdr);
14929 break;
14930 }
14931
14932 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
14933 (unsigned long *)&cb->args[5]);
14934 nla_nest_end(skb, vendor_data);
14935
14936 if (err == -ENOBUFS || err == -ENOENT) {
14937 genlmsg_cancel(skb, hdr);
14938 break;
9c167b2d 14939 } else if (err <= 0) {
7bdbe400
JB		 14940 genlmsg_cancel(skb, hdr);
14941 goto out;
14942 }
14943
14944 genlmsg_end(skb, hdr);
14945 }
14946
14947 err = skb->len;
14948 out:
14949 rtnl_unlock();
14950 return err;
14951}
14952
ad7e718c
JB		 14953struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
14954 enum nl80211_commands cmd,
14955 enum nl80211_attrs attr,
14956 int approxlen)
14957{
f26cbf40 14958 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ad7e718c
JB		 14959
14960 if (WARN_ON(!rdev->cur_cmd_info))
14961 return NULL;
14962
6c09e791 14963 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
ad7e718c
JB		 14964 rdev->cur_cmd_info->snd_portid,
14965 rdev->cur_cmd_info->snd_seq,
567ffc35 14966 cmd, attr, NULL, GFP_KERNEL);
ad7e718c
JB		 14967}
14968EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
14969
14970int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
14971{
14972 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
14973 void *hdr = ((void **)skb->cb)[1];
14974 struct nlattr *data = ((void **)skb->cb)[2];
14975
bd8c78e7
JB		 14976 /* clear CB data for netlink core to own from now on */
14977 memset(skb->cb, 0, sizeof(skb->cb));
14978
ad7e718c
JB		 14979 if (WARN_ON(!rdev->cur_cmd_info)) {
14980 kfree_skb(skb);
14981 return -EINVAL;
14982 }
14983
14984 nla_nest_end(skb, data);
14985 genlmsg_end(skb, hdr);
14986 return genlmsg_reply(skb, rdev->cur_cmd_info);
14987}
14988EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
14989
55c1fdf0
JB		 14990unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
14991{
14992 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14993
14994 if (WARN_ON(!rdev->cur_cmd_info))
14995 return 0;
14996
14997 return rdev->cur_cmd_info->snd_portid;
14998}
14999EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
15000
fa9ffc74
KP		 15001static int nl80211_set_qos_map(struct sk_buff *skb,
15002 struct genl_info *info)
15003{
15004 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15005 struct cfg80211_qos_map *qos_map = NULL;
15006 struct net_device *dev = info->user_ptr[1];
15007 u8 *pos, len, num_des, des_len, des;
15008 int ret;
15009
15010 if (!rdev->ops->set_qos_map)
15011 return -EOPNOTSUPP;
15012
15013 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
15014 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
15015 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
15016
c8b82802 15017 if (len % 2)
fa9ffc74
KP		 15018 return -EINVAL;
15019
15020 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
15021 if (!qos_map)
15022 return -ENOMEM;
15023
15024 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
15025 if (num_des) {
15026 des_len = num_des *
15027 sizeof(struct cfg80211_dscp_exception);
15028 memcpy(qos_map->dscp_exception, pos, des_len);
15029 qos_map->num_des = num_des;
15030 for (des = 0; des < num_des; des++) {
15031 if (qos_map->dscp_exception[des].up > 7) {
15032 kfree(qos_map);
15033 return -EINVAL;
15034 }
15035 }
15036 pos += des_len;
15037 }
15038 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
15039 }
15040
15041 wdev_lock(dev->ieee80211_ptr);
15042 ret = nl80211_key_allowed(dev->ieee80211_ptr);
15043 if (!ret)
15044 ret = rdev_set_qos_map(rdev, dev, qos_map);
15045 wdev_unlock(dev->ieee80211_ptr);
15046
15047 kfree(qos_map);
15048 return ret;
15049}
15050
960d01ac
JB		 15051static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
15052{
15053 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15054 struct net_device *dev = info->user_ptr[1];
15055 struct wireless_dev *wdev = dev->ieee80211_ptr;
15056 const u8 *peer;
15057 u8 tsid, up;
15058 u16 admitted_time = 0;
15059 int err;
15060
723e73ac 15061 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
960d01ac
JB		 15062 return -EOPNOTSUPP;
15063
15064 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
15065 !info->attrs[NL80211_ATTR_USER_PRIO])
15066 return -EINVAL;
15067
15068 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
960d01ac 15069 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
960d01ac
JB		 15070
15071 /* WMM uses TIDs 0-7 even for TSPEC */
723e73ac 15072 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
960d01ac 15073 /* TODO: handle 802.11 TSPEC/admission control
723e73ac
JB		 15074 * need more attributes for that (e.g. BA session requirement);
15075 * change the WMM adminssion test above to allow both then
960d01ac
JB		 15076 */
15077 return -EINVAL;
15078 }
15079
15080 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15081
15082 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
15083 admitted_time =
15084 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
15085 if (!admitted_time)
15086 return -EINVAL;
15087 }
15088
15089 wdev_lock(wdev);
15090 switch (wdev->iftype) {
15091 case NL80211_IFTYPE_STATION:
15092 case NL80211_IFTYPE_P2P_CLIENT:
7b0a0e3c 15093 if (wdev->connected)
960d01ac
JB		 15094 break;
15095 err = -ENOTCONN;
15096 goto out;
15097 default:
15098 err = -EOPNOTSUPP;
15099 goto out;
15100 }
15101
15102 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
15103
15104 out:
15105 wdev_unlock(wdev);
15106 return err;
15107}
15108
15109static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
15110{
15111 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15112 struct net_device *dev = info->user_ptr[1];
15113 struct wireless_dev *wdev = dev->ieee80211_ptr;
15114 const u8 *peer;
15115 u8 tsid;
15116 int err;
15117
15118 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
15119 return -EINVAL;
15120
15121 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15122 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15123
15124 wdev_lock(wdev);
15125 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
15126 wdev_unlock(wdev);
15127
15128 return err;
15129}
15130
1057d35e
AN		 15131static int nl80211_tdls_channel_switch(struct sk_buff *skb,
15132 struct genl_info *info)
15133{
15134 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15135 struct net_device *dev = info->user_ptr[1];
15136 struct wireless_dev *wdev = dev->ieee80211_ptr;
15137 struct cfg80211_chan_def chandef = {};
15138 const u8 *addr;
15139 u8 oper_class;
15140 int err;
15141
15142 if (!rdev->ops->tdls_channel_switch ||
15143 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15144 return -EOPNOTSUPP;
15145
15146 switch (dev->ieee80211_ptr->iftype) {
15147 case NL80211_IFTYPE_STATION:
15148 case NL80211_IFTYPE_P2P_CLIENT:
15149 break;
15150 default:
15151 return -EOPNOTSUPP;
15152 }
15153
15154 if (!info->attrs[NL80211_ATTR_MAC] ||
15155 !info->attrs[NL80211_ATTR_OPER_CLASS])
15156 return -EINVAL;
15157
15158 err = nl80211_parse_chandef(rdev, info, &chandef);
15159 if (err)
15160 return err;
15161
15162 /*
15163 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
15164 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
15165 * specification is not defined for them.
15166 */
57fbcce3 15167 if (chandef.chan->band == NL80211_BAND_2GHZ &&
1057d35e
AN		 15168 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
15169 chandef.width != NL80211_CHAN_WIDTH_20)
15170 return -EINVAL;
15171
15172 /* we will be active on the TDLS link */
923b352f
AN		 15173 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
15174 wdev->iftype))
1057d35e
AN		 15175 return -EINVAL;
15176
15177 /* don't allow switching to DFS channels */
15178 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
15179 return -EINVAL;
15180
15181 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15182 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
15183
15184 wdev_lock(wdev);
15185 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
15186 wdev_unlock(wdev);
15187
15188 return err;
15189}
15190
15191static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
15192 struct genl_info *info)
15193{
15194 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15195 struct net_device *dev = info->user_ptr[1];
15196 struct wireless_dev *wdev = dev->ieee80211_ptr;
15197 const u8 *addr;
15198
15199 if (!rdev->ops->tdls_channel_switch ||
15200 !rdev->ops->tdls_cancel_channel_switch ||
15201 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15202 return -EOPNOTSUPP;
15203
15204 switch (dev->ieee80211_ptr->iftype) {
15205 case NL80211_IFTYPE_STATION:
15206 case NL80211_IFTYPE_P2P_CLIENT:
15207 break;
15208 default:
15209 return -EOPNOTSUPP;
15210 }
15211
15212 if (!info->attrs[NL80211_ATTR_MAC])
15213 return -EINVAL;
15214
15215 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15216
15217 wdev_lock(wdev);
15218 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
15219 wdev_unlock(wdev);
15220
15221 return 0;
15222}
15223
ce0ce13a
MB		 15224static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
15225 struct genl_info *info)
15226{
15227 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15228 struct net_device *dev = info->user_ptr[1];
15229 struct wireless_dev *wdev = dev->ieee80211_ptr;
15230 const struct nlattr *nla;
15231 bool enabled;
15232
ce0ce13a
MB		 15233 if (!rdev->ops->set_multicast_to_unicast)
15234 return -EOPNOTSUPP;
15235
15236 if (wdev->iftype != NL80211_IFTYPE_AP &&
15237 wdev->iftype != NL80211_IFTYPE_P2P_GO)
15238 return -EOPNOTSUPP;
15239
15240 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
15241 enabled = nla_get_flag(nla);
15242
15243 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
15244}
15245
3a00df57
AS		 15246static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
15247{
15248 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15249 struct net_device *dev = info->user_ptr[1];
15250 struct wireless_dev *wdev = dev->ieee80211_ptr;
15251 struct cfg80211_pmk_conf pmk_conf = {};
15252 int ret;
15253
15254 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15255 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15256 return -EOPNOTSUPP;
15257
15258 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15259 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15260 return -EOPNOTSUPP;
15261
15262 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
15263 return -EINVAL;
15264
15265 wdev_lock(wdev);
7b0a0e3c 15266 if (!wdev->connected) {
3a00df57
AS		 15267 ret = -ENOTCONN;
15268 goto out;
15269 }
15270
15271 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
7b0a0e3c 15272 if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN)) {
3a00df57
AS		 15273 ret = -EINVAL;
15274 goto out;
15275 }
15276
15277 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
15278 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
15279 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
15280 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
15281 ret = -EINVAL;
15282 goto out;
15283 }
15284
cb9abd48 15285 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
3a00df57
AS		 15286 pmk_conf.pmk_r0_name =
15287 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
3a00df57
AS		 15288
15289 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
15290out:
15291 wdev_unlock(wdev);
15292 return ret;
15293}
15294
15295static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
15296{
15297 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15298 struct net_device *dev = info->user_ptr[1];
15299 struct wireless_dev *wdev = dev->ieee80211_ptr;
15300 const u8 *aa;
15301 int ret;
15302
15303 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15304 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15305 return -EOPNOTSUPP;
15306
15307 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15308 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15309 return -EOPNOTSUPP;
15310
15311 if (!info->attrs[NL80211_ATTR_MAC])
15312 return -EINVAL;
15313
15314 wdev_lock(wdev);
15315 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15316 ret = rdev_del_pmk(rdev, dev, aa);
15317 wdev_unlock(wdev);
15318
15319 return ret;
15320}
15321
40cbfa90
SD		 15322static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
15323{
15324 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15325 struct net_device *dev = info->user_ptr[1];
15326 struct cfg80211_external_auth_params params;
15327
db8d93a7 15328 if (!rdev->ops->external_auth)
40cbfa90
SD		 15329 return -EOPNOTSUPP;
15330
fe494370
SD		 15331 if (!info->attrs[NL80211_ATTR_SSID] &&
15332 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
15333 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
40cbfa90
SD		 15334 return -EINVAL;
15335
15336 if (!info->attrs[NL80211_ATTR_BSSID])
15337 return -EINVAL;
15338
15339 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
15340 return -EINVAL;
15341
15342 memset(&params, 0, sizeof(params));
15343
fe494370
SD		 15344 if (info->attrs[NL80211_ATTR_SSID]) {
15345 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
cb9abd48 15346 if (params.ssid.ssid_len == 0)
fe494370
SD		 15347 return -EINVAL;
15348 memcpy(params.ssid.ssid,
15349 nla_data(info->attrs[NL80211_ATTR_SSID]),
15350 params.ssid.ssid_len);
15351 }
40cbfa90
SD		 15352
15353 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
15354 ETH_ALEN);
15355
15356 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15357
fe494370
SD		 15358 if (info->attrs[NL80211_ATTR_PMKID])
15359 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
15360
40cbfa90
SD		 15361 return rdev_external_auth(rdev, dev, &params);
15362}
15363
2576a9ac
DK		 15364static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
15365{
dca9ca2d 15366 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
2576a9ac
DK		 15367 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15368 struct net_device *dev = info->user_ptr[1];
15369 struct wireless_dev *wdev = dev->ieee80211_ptr;
15370 const u8 *buf;
15371 size_t len;
15372 u8 *dest;
15373 u16 proto;
15374 bool noencrypt;
dca9ca2d 15375 u64 cookie = 0;
67207bab 15376 int link_id;
2576a9ac
DK		 15377 int err;
15378
15379 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15380 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
15381 return -EOPNOTSUPP;
15382
15383 if (!rdev->ops->tx_control_port)
15384 return -EOPNOTSUPP;
15385
15386 if (!info->attrs[NL80211_ATTR_FRAME] ||
15387 !info->attrs[NL80211_ATTR_MAC] ||
15388 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
15389 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
15390 return -EINVAL;
15391 }
15392
15393 wdev_lock(wdev);
15394
15395 switch (wdev->iftype) {
15396 case NL80211_IFTYPE_AP:
15397 case NL80211_IFTYPE_P2P_GO:
15398 case NL80211_IFTYPE_MESH_POINT:
15399 break;
15400 case NL80211_IFTYPE_ADHOC:
7b0a0e3c
JB		 15401 if (wdev->u.ibss.current_bss)
15402 break;
15403 err = -ENOTCONN;
15404 goto out;
2576a9ac
DK		 15405 case NL80211_IFTYPE_STATION:
15406 case NL80211_IFTYPE_P2P_CLIENT:
7b0a0e3c 15407 if (wdev->connected)
2576a9ac
DK		 15408 break;
15409 err = -ENOTCONN;
15410 goto out;
15411 default:
15412 err = -EOPNOTSUPP;
15413 goto out;
15414 }
15415
15416 wdev_unlock(wdev);
15417
15418 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15419 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15420 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15421 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
15422 noencrypt =
15423 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
15424
67207bab
AO		 15425 link_id = nl80211_link_id_or_invalid(info->attrs);
15426
dca9ca2d 15427 err = rdev_tx_control_port(rdev, dev, buf, len,
67207bab 15428 dest, cpu_to_be16(proto), noencrypt, link_id,
dca9ca2d
MT		 15429 dont_wait_for_ack ? NULL : &cookie);
15430 if (!err && !dont_wait_for_ack)
15431 nl_set_extack_cookie_u64(info->extack, cookie);
15432 return err;
2576a9ac
DK		 15433 out:
15434 wdev_unlock(wdev);
15435 return err;
15436}
15437
81e54d08
PKC		 15438static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
15439 struct genl_info *info)
15440{
15441 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15442 struct net_device *dev = info->user_ptr[1];
15443 struct wireless_dev *wdev = dev->ieee80211_ptr;
15444 struct cfg80211_ftm_responder_stats ftm_stats = {};
7b0a0e3c 15445 unsigned int link_id = nl80211_link_id(info->attrs);
81e54d08
PKC		 15446 struct sk_buff *msg;
15447 void *hdr;
15448 struct nlattr *ftm_stats_attr;
15449 int err;
15450
7b0a0e3c
JB		 15451 if (wdev->iftype != NL80211_IFTYPE_AP ||
15452 !wdev->links[link_id].ap.beacon_interval)
81e54d08
PKC		 15453 return -EOPNOTSUPP;
15454
15455 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
15456 if (err)
15457 return err;
15458
15459 if (!ftm_stats.filled)
15460 return -ENODATA;
15461
15462 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15463 if (!msg)
15464 return -ENOMEM;
15465
15466 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
15467 NL80211_CMD_GET_FTM_RESPONDER_STATS);
15468 if (!hdr)
1399c59f 15469 goto nla_put_failure;
81e54d08
PKC		 15470
15471 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15472 goto nla_put_failure;
15473
ae0be8de
MK		 15474 ftm_stats_attr = nla_nest_start_noflag(msg,
15475 NL80211_ATTR_FTM_RESPONDER_STATS);
81e54d08
PKC		 15476 if (!ftm_stats_attr)
15477 goto nla_put_failure;
15478
15479#define SET_FTM(field, name, type) \
15480 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15481 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
15482 ftm_stats.field)) \
15483 goto nla_put_failure; } while (0)
15484#define SET_FTM_U64(field, name) \
15485 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15486 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
15487 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
15488 goto nla_put_failure; } while (0)
15489
15490 SET_FTM(success_num, SUCCESS_NUM, u32);
15491 SET_FTM(partial_num, PARTIAL_NUM, u32);
15492 SET_FTM(failed_num, FAILED_NUM, u32);
15493 SET_FTM(asap_num, ASAP_NUM, u32);
15494 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
15495 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
15496 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
15497 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
15498 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
15499#undef SET_FTM
15500
15501 nla_nest_end(msg, ftm_stats_attr);
15502
15503 genlmsg_end(msg, hdr);
15504 return genlmsg_reply(msg, info);
15505
15506nla_put_failure:
15507 nlmsg_free(msg);
15508 return -ENOBUFS;
15509}
15510
cb74e977
SD		 15511static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
15512{
15513 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15514 struct cfg80211_update_owe_info owe_info;
15515 struct net_device *dev = info->user_ptr[1];
15516
15517 if (!rdev->ops->update_owe_info)
15518 return -EOPNOTSUPP;
15519
15520 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
15521 !info->attrs[NL80211_ATTR_MAC])
15522 return -EINVAL;
15523
15524 memset(&owe_info, 0, sizeof(owe_info));
15525 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15526 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
15527
15528 if (info->attrs[NL80211_ATTR_IE]) {
15529 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
15530 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
15531 }
15532
15533 return rdev_update_owe_info(rdev, dev, &owe_info);
15534}
15535
5ab92e7f
RM		 15536static int nl80211_probe_mesh_link(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 station_info sinfo = {};
15542 const u8 *buf;
15543 size_t len;
15544 u8 *dest;
15545 int err;
15546
15547 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
15548 return -EOPNOTSUPP;
15549
15550 if (!info->attrs[NL80211_ATTR_MAC] ||
15551 !info->attrs[NL80211_ATTR_FRAME]) {
15552 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
15553 return -EINVAL;
15554 }
15555
15556 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
15557 return -EOPNOTSUPP;
15558
15559 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15560 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15561 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15562
15563 if (len < sizeof(struct ethhdr))
15564 return -EINVAL;
15565
15566 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
15567 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
15568 return -EINVAL;
15569
15570 err = rdev_get_station(rdev, dev, dest, &sinfo);
15571 if (err)
15572 return err;
15573
2a279b34
FF		 15574 cfg80211_sinfo_release_content(&sinfo);
15575
5ab92e7f
RM		 15576 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
15577}
15578
77f576de
T		 15579static int parse_tid_conf(struct cfg80211_registered_device *rdev,
15580 struct nlattr *attrs[], struct net_device *dev,
3710a8a6 15581 struct cfg80211_tid_cfg *tid_conf,
7b0a0e3c
JB		 15582 struct genl_info *info, const u8 *peer,
15583 unsigned int link_id)
77f576de
T		 15584{
15585 struct netlink_ext_ack *extack = info->extack;
3710a8a6 15586 u64 mask;
77f576de
T		 15587 int err;
15588
15589 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
15590 return -EINVAL;
15591
15592 tid_conf->config_override =
15593 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
3710a8a6 15594 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
77f576de
T		 15595
15596 if (tid_conf->config_override) {
15597 if (rdev->ops->reset_tid_config) {
15598 err = rdev_reset_tid_config(rdev, dev, peer,
3710a8a6 15599 tid_conf->tids);
c0336955 15600 if (err)
77f576de
T		 15601 return err;
15602 } else {
15603 return -EINVAL;
15604 }
15605 }
15606
15607 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
3710a8a6 15608 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
77f576de
T		 15609 tid_conf->noack =
15610 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
15611 }
15612
6a21d16c
T		 15613 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
15614 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
15615 tid_conf->retry_short =
15616 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
15617
15618 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
15619 return -EINVAL;
15620 }
15621
15622 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
15623 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
15624 tid_conf->retry_long =
15625 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
15626
15627 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
15628 return -EINVAL;
15629 }
15630
ade274b2
T		 15631 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
15632 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
15633 tid_conf->ampdu =
15634 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
15635 }
15636
04f7d142
T		 15637 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
15638 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
15639 tid_conf->rtscts =
15640 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
15641 }
15642
33462e68
SM		 15643 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
15644 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
15645 tid_conf->amsdu =
15646 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
15647 }
15648
9a5f6488
TC		 15649 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
15650 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
15651
15652 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
15653
15654 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
15655 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
15656 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
857b34c4 15657 &tid_conf->txrate_mask, dev,
7b0a0e3c 15658 true, link_id);
9a5f6488
TC		 15659 if (err)
15660 return err;
15661
15662 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
15663 }
15664 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
15665 }
15666
3710a8a6
JB		 15667 if (peer)
15668 mask = rdev->wiphy.tid_config_support.peer;
15669 else
15670 mask = rdev->wiphy.tid_config_support.vif;
15671
15672 if (tid_conf->mask & ~mask) {
15673 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
15674 return -ENOTSUPP;
15675 }
15676
77f576de
T		 15677 return 0;
15678}
15679
15680static int nl80211_set_tid_config(struct sk_buff *skb,
15681 struct genl_info *info)
15682{
15683 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15684 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
7b0a0e3c 15685 unsigned int link_id = nl80211_link_id(info->attrs);
77f576de 15686 struct net_device *dev = info->user_ptr[1];
3710a8a6 15687 struct cfg80211_tid_config *tid_config;
77f576de
T		 15688 struct nlattr *tid;
15689 int conf_idx = 0, rem_conf;
15690 int ret = -EINVAL;
15691 u32 num_conf = 0;
15692
15693 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
15694 return -EINVAL;
15695
15696 if (!rdev->ops->set_tid_config)
15697 return -EOPNOTSUPP;
15698
15699 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15700 rem_conf)
15701 num_conf++;
15702
15703 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
15704 GFP_KERNEL);
15705 if (!tid_config)
15706 return -ENOMEM;
15707
15708 tid_config->n_tid_conf = num_conf;
15709
15710 if (info->attrs[NL80211_ATTR_MAC])
15711 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15712
206bbcf7
JB		 15713 wdev_lock(dev->ieee80211_ptr);
15714
77f576de
T		 15715 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15716 rem_conf) {
15717 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
15718 tid, NULL, NULL);
15719
15720 if (ret)
15721 goto bad_tid_conf;
15722
15723 ret = parse_tid_conf(rdev, attrs, dev,
15724 &tid_config->tid_conf[conf_idx],
7b0a0e3c 15725 info, tid_config->peer, link_id);
77f576de
T		 15726 if (ret)
15727 goto bad_tid_conf;
15728
15729 conf_idx++;
15730 }
15731
15732 ret = rdev_set_tid_config(rdev, dev, tid_config);
15733
15734bad_tid_conf:
15735 kfree(tid_config);
206bbcf7 15736 wdev_unlock(dev->ieee80211_ptr);
77f576de
T		 15737 return ret;
15738}
15739
0d2ab3ae
JC		 15740static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
15741{
15742 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15743 struct cfg80211_color_change_settings params = {};
15744 struct net_device *dev = info->user_ptr[1];
15745 struct wireless_dev *wdev = dev->ieee80211_ptr;
15746 struct nlattr **tb;
15747 u16 offset;
15748 int err;
15749
15750 if (!rdev->ops->color_change)
15751 return -EOPNOTSUPP;
15752
15753 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15754 NL80211_EXT_FEATURE_BSS_COLOR))
15755 return -EOPNOTSUPP;
15756
15757 if (wdev->iftype != NL80211_IFTYPE_AP)
15758 return -EOPNOTSUPP;
15759
15760 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
15761 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
15762 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
15763 return -EINVAL;
15764
15765 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
15766 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
15767
15768 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_next);
15769 if (err)
15770 return err;
15771
15772 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
15773 if (!tb)
15774 return -ENOMEM;
15775
15776 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
15777 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
15778 nl80211_policy, info->extack);
15779 if (err)
15780 goto out;
15781
15782 err = nl80211_parse_beacon(rdev, tb, &params.beacon_color_change);
15783 if (err)
15784 goto out;
15785
15786 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
15787 err = -EINVAL;
15788 goto out;
15789 }
15790
15791 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
15792 err = -EINVAL;
15793 goto out;
15794 }
15795
15796 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
15797 if (offset >= params.beacon_color_change.tail_len) {
15798 err = -EINVAL;
15799 goto out;
15800 }
15801
15802 if (params.beacon_color_change.tail[offset] != params.count) {
15803 err = -EINVAL;
15804 goto out;
15805 }
15806
15807 params.counter_offset_beacon = offset;
15808
15809 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
15810 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
15811 sizeof(u16)) {
15812 err = -EINVAL;
15813 goto out;
15814 }
15815
15816 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
15817 if (offset >= params.beacon_color_change.probe_resp_len) {
15818 err = -EINVAL;
15819 goto out;
15820 }
15821
15822 if (params.beacon_color_change.probe_resp[offset] !=
15823 params.count) {
15824 err = -EINVAL;
15825 goto out;
15826 }
15827
15828 params.counter_offset_presp = offset;
15829 }
15830
15831 wdev_lock(wdev);
15832 err = rdev_color_change(rdev, dev, &params);
15833 wdev_unlock(wdev);
15834
15835out:
dc1e3cb8
JC		 15836 kfree(params.beacon_next.mbssid_ies);
15837 kfree(params.beacon_color_change.mbssid_ies);
0d2ab3ae
JC		 15838 kfree(tb);
15839 return err;
15840}
15841
e306784a
SM		 15842static int nl80211_set_fils_aad(struct sk_buff *skb,
15843 struct genl_info *info)
15844{
15845 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15846 struct net_device *dev = info->user_ptr[1];
15847 struct cfg80211_fils_aad fils_aad = {};
15848 u8 *nonces;
15849
15850 if (!info->attrs[NL80211_ATTR_MAC] ||
15851 !info->attrs[NL80211_ATTR_FILS_KEK] ||
15852 !info->attrs[NL80211_ATTR_FILS_NONCES])
15853 return -EINVAL;
15854
15855 fils_aad.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15856 fils_aad.kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
15857 fils_aad.kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
15858 nonces = nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
15859 fils_aad.snonce = nonces;
15860 fils_aad.anonce = nonces + FILS_NONCE_LEN;
15861
15862 return rdev_set_fils_aad(rdev, dev, &fils_aad);
15863}
15864
7b0a0e3c
JB		 15865static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
15866{
f2a0290b 15867 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7b0a0e3c
JB		 15868 unsigned int link_id = nl80211_link_id(info->attrs);
15869 struct net_device *dev = info->user_ptr[1];
15870 struct wireless_dev *wdev = dev->ieee80211_ptr;
f2a0290b 15871 int ret;
7b0a0e3c
JB		 15872
15873 if (!(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
15874 return -EINVAL;
15875
15876 switch (wdev->iftype) {
15877 case NL80211_IFTYPE_AP:
15878 break;
15879 default:
15880 return -EINVAL;
15881 }
15882
15883 if (!info->attrs[NL80211_ATTR_MAC] ||
15884 !is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
15885 return -EINVAL;
15886
15887 wdev_lock(wdev);
15888 wdev->valid_links |= BIT(link_id);
15889 ether_addr_copy(wdev->links[link_id].addr,
15890 nla_data(info->attrs[NL80211_ATTR_MAC]));
f2a0290b
JB		 15891
15892 ret = rdev_add_intf_link(rdev, wdev, link_id);
15893 if (ret) {
15894 wdev->valid_links &= ~BIT(link_id);
15895 eth_zero_addr(wdev->links[link_id].addr);
15896 }
7b0a0e3c
JB		 15897 wdev_unlock(wdev);
15898
f2a0290b 15899 return ret;
7b0a0e3c
JB		 15900}
15901
15902static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
15903{
15904 unsigned int link_id = nl80211_link_id(info->attrs);
15905 struct net_device *dev = info->user_ptr[1];
15906 struct wireless_dev *wdev = dev->ieee80211_ptr;
15907
15908 /* cannot remove if there's no link */
15909 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
15910 return -EINVAL;
15911
15912 switch (wdev->iftype) {
15913 case NL80211_IFTYPE_AP:
15914 break;
15915 default:
15916 return -EINVAL;
15917 }
15918
7b0a0e3c 15919 wdev_lock(wdev);
cdf0a0a8 15920 cfg80211_remove_link(wdev, link_id);
7b0a0e3c
JB		 15921 wdev_unlock(wdev);
15922
15923 return 0;
15924}
15925
577e5b8c
ST		 15926static int
15927nl80211_add_mod_link_station(struct sk_buff *skb, struct genl_info *info,
15928 bool add)
15929{
15930 struct link_station_parameters params = {};
15931 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15932 struct net_device *dev = info->user_ptr[1];
15933 int err;
15934
15935 if ((add && !rdev->ops->add_link_station) ||
15936 (!add && !rdev->ops->mod_link_station))
15937 return -EOPNOTSUPP;
15938
15939 if (add && !info->attrs[NL80211_ATTR_MAC])
15940 return -EINVAL;
15941
8876c67e 15942 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
577e5b8c
ST		 15943 return -EINVAL;
15944
15945 if (add && !info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
15946 return -EINVAL;
15947
8876c67e 15948 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
577e5b8c
ST		 15949
15950 if (info->attrs[NL80211_ATTR_MAC]) {
15951 params.link_mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
15952 if (!is_valid_ether_addr(params.link_mac))
15953 return -EINVAL;
15954 }
15955
15956 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
15957 return -EINVAL;
15958
15959 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
15960
15961 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
15962 params.supported_rates =
15963 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
15964 params.supported_rates_len =
15965 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
15966 }
15967
15968 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
15969 params.ht_capa =
15970 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
15971
15972 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
15973 params.vht_capa =
15974 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
15975
15976 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
15977 params.he_capa =
15978 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
15979 params.he_capa_len =
15980 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
15981
15982 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
15983 params.eht_capa =
15984 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
15985 params.eht_capa_len =
15986 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
15987
15988 if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
15989 (const u8 *)params.eht_capa,
ea5cba26
JB		 15990 params.eht_capa_len,
15991 false))
577e5b8c
ST		 15992 return -EINVAL;
15993 }
15994 }
15995
15996 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
15997 params.he_6ghz_capa =
15998 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
15999
16000 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
16001 params.opmode_notif_used = true;
16002 params.opmode_notif =
16003 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
16004 }
16005
16006 err = nl80211_parse_sta_txpower_setting(info, &params.txpwr,
16007 &params.txpwr_set);
16008 if (err)
16009 return err;
16010
858fd188 16011 wdev_lock(dev->ieee80211_ptr);
577e5b8c 16012 if (add)
858fd188
JB		 16013 err = rdev_add_link_station(rdev, dev, &params);
16014 else
16015 err = rdev_mod_link_station(rdev, dev, &params);
16016 wdev_unlock(dev->ieee80211_ptr);
16017
16018 return err;
577e5b8c
ST		 16019}
16020
16021static int
16022nl80211_add_link_station(struct sk_buff *skb, struct genl_info *info)
16023{
16024 return nl80211_add_mod_link_station(skb, info, true);
16025}
16026
16027static int
16028nl80211_modify_link_station(struct sk_buff *skb, struct genl_info *info)
16029{
16030 return nl80211_add_mod_link_station(skb, info, false);
16031}
16032
16033static int
16034nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
16035{
16036 struct link_station_del_parameters params = {};
16037 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16038 struct net_device *dev = info->user_ptr[1];
858fd188 16039 int ret;
577e5b8c
ST		 16040
16041 if (!rdev->ops->del_link_station)
16042 return -EOPNOTSUPP;
16043
16044 if (!info->attrs[NL80211_ATTR_MLD_ADDR] ||
16045 !info->attrs[NL80211_ATTR_MLO_LINK_ID])
16046 return -EINVAL;
16047
16048 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16049 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16050
858fd188
JB		 16051 wdev_lock(dev->ieee80211_ptr);
16052 ret = rdev_del_link_station(rdev, dev, &params);
16053 wdev_unlock(dev->ieee80211_ptr);
16054
16055 return ret;
577e5b8c
ST		 16056}
16057
4c476991
JB		 16058#define NL80211_FLAG_NEED_WIPHY 0x01
16059#define NL80211_FLAG_NEED_NETDEV 0x02
16060#define NL80211_FLAG_NEED_RTNL 0x04
41265714
JB		 16061#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
16062#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
16063 NL80211_FLAG_CHECK_NETDEV_UP)
1bf614ef 16064#define NL80211_FLAG_NEED_WDEV 0x10
98104fde 16065/* If a netdev is associated, it must be UP, P2P must be started */
1bf614ef
JB		 16066#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
16067 NL80211_FLAG_CHECK_NETDEV_UP)
5393b917 16068#define NL80211_FLAG_CLEAR_SKB 0x20
77cbf790 16069#define NL80211_FLAG_NO_WIPHY_MTX 0x40
7b0a0e3c
JB		 16070#define NL80211_FLAG_MLO_VALID_LINK_ID 0x80
16071#define NL80211_FLAG_MLO_UNSUPPORTED 0x100
4c476991 16072
2182db91
JB		 16073#define INTERNAL_FLAG_SELECTORS(__sel) \
16074 SELECTOR(__sel, NONE, 0) /* must be first */ \
16075 SELECTOR(__sel, WIPHY, \
16076 NL80211_FLAG_NEED_WIPHY) \
16077 SELECTOR(__sel, WDEV, \
16078 NL80211_FLAG_NEED_WDEV) \
16079 SELECTOR(__sel, NETDEV, \
16080 NL80211_FLAG_NEED_NETDEV) \
7b0a0e3c
JB		 16081 SELECTOR(__sel, NETDEV_LINK, \
16082 NL80211_FLAG_NEED_NETDEV | \
16083 NL80211_FLAG_MLO_VALID_LINK_ID) \
16084 SELECTOR(__sel, NETDEV_NO_MLO, \
16085 NL80211_FLAG_NEED_NETDEV | \
16086 NL80211_FLAG_MLO_UNSUPPORTED) \
2182db91
JB		 16087 SELECTOR(__sel, WIPHY_RTNL, \
16088 NL80211_FLAG_NEED_WIPHY | \
16089 NL80211_FLAG_NEED_RTNL) \
16090 SELECTOR(__sel, WIPHY_RTNL_NOMTX, \
16091 NL80211_FLAG_NEED_WIPHY | \
16092 NL80211_FLAG_NEED_RTNL | \
16093 NL80211_FLAG_NO_WIPHY_MTX) \
16094 SELECTOR(__sel, WDEV_RTNL, \
16095 NL80211_FLAG_NEED_WDEV | \
16096 NL80211_FLAG_NEED_RTNL) \
16097 SELECTOR(__sel, NETDEV_RTNL, \
16098 NL80211_FLAG_NEED_NETDEV | \
16099 NL80211_FLAG_NEED_RTNL) \
16100 SELECTOR(__sel, NETDEV_UP, \
16101 NL80211_FLAG_NEED_NETDEV_UP) \
7b0a0e3c
JB		 16102 SELECTOR(__sel, NETDEV_UP_LINK, \
16103 NL80211_FLAG_NEED_NETDEV_UP | \
16104 NL80211_FLAG_MLO_VALID_LINK_ID) \
16105 SELECTOR(__sel, NETDEV_UP_NO_MLO, \
16106 NL80211_FLAG_NEED_NETDEV_UP | \
16107 NL80211_FLAG_MLO_UNSUPPORTED) \
16108 SELECTOR(__sel, NETDEV_UP_NO_MLO_CLEAR, \
16109 NL80211_FLAG_NEED_NETDEV_UP | \
16110 NL80211_FLAG_CLEAR_SKB | \
16111 NL80211_FLAG_MLO_UNSUPPORTED) \
2182db91
JB		 16112 SELECTOR(__sel, NETDEV_UP_NOTMX, \
16113 NL80211_FLAG_NEED_NETDEV_UP | \
16114 NL80211_FLAG_NO_WIPHY_MTX) \
7b0a0e3c
JB		 16115 SELECTOR(__sel, NETDEV_UP_NOTMX_NOMLO, \
16116 NL80211_FLAG_NEED_NETDEV_UP | \
16117 NL80211_FLAG_NO_WIPHY_MTX | \
16118 NL80211_FLAG_MLO_UNSUPPORTED) \
2182db91
JB		 16119 SELECTOR(__sel, NETDEV_UP_CLEAR, \
16120 NL80211_FLAG_NEED_NETDEV_UP | \
16121 NL80211_FLAG_CLEAR_SKB) \
16122 SELECTOR(__sel, WDEV_UP, \
16123 NL80211_FLAG_NEED_WDEV_UP) \
7b0a0e3c
JB		 16124 SELECTOR(__sel, WDEV_UP_LINK, \
16125 NL80211_FLAG_NEED_WDEV_UP | \
16126 NL80211_FLAG_MLO_VALID_LINK_ID) \
2182db91
JB		 16127 SELECTOR(__sel, WDEV_UP_RTNL, \
16128 NL80211_FLAG_NEED_WDEV_UP | \
16129 NL80211_FLAG_NEED_RTNL) \
16130 SELECTOR(__sel, WIPHY_CLEAR, \
16131 NL80211_FLAG_NEED_WIPHY | \
16132 NL80211_FLAG_CLEAR_SKB)
16133
16134enum nl80211_internal_flags_selector {
16135#define SELECTOR(_, name, value) NL80211_IFL_SEL_##name,
16136 INTERNAL_FLAG_SELECTORS(_)
16137#undef SELECTOR
16138};
16139
16140static u32 nl80211_internal_flags[] = {
16141#define SELECTOR(_, name, value) [NL80211_IFL_SEL_##name] = value,
16142 INTERNAL_FLAG_SELECTORS(_)
16143#undef SELECTOR
16144};
16145
20b0b53a
JK		 16146static int nl80211_pre_doit(const struct genl_split_ops *ops,
16147 struct sk_buff *skb,
4c476991
JB		 16148 struct genl_info *info)
16149{
a05829a7 16150 struct cfg80211_registered_device *rdev = NULL;
7b0a0e3c
JB		 16151 struct wireless_dev *wdev = NULL;
16152 struct net_device *dev = NULL;
2182db91 16153 u32 internal_flags;
7b0a0e3c 16154 int err;
2182db91
JB		 16155
16156 if (WARN_ON(ops->internal_flags >= ARRAY_SIZE(nl80211_internal_flags)))
16157 return -EINVAL;
16158
16159 internal_flags = nl80211_internal_flags[ops->internal_flags];
4c476991 16160
a05829a7 16161 rtnl_lock();
2182db91 16162 if (internal_flags & NL80211_FLAG_NEED_WIPHY) {
4f7eff10 16163 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
4c476991 16164 if (IS_ERR(rdev)) {
7b0a0e3c
JB		 16165 err = PTR_ERR(rdev);
16166 goto out_unlock;
4c476991
JB		 16167 }
16168 info->user_ptr[0] = rdev;
2182db91
JB		 16169 } else if (internal_flags & NL80211_FLAG_NEED_NETDEV ||
16170 internal_flags & NL80211_FLAG_NEED_WDEV) {
a05829a7 16171 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
89a54e48
JB		 16172 info->attrs);
16173 if (IS_ERR(wdev)) {
7b0a0e3c
JB		 16174 err = PTR_ERR(wdev);
16175 goto out_unlock;
4c476991 16176 }
89a54e48 16177
89a54e48 16178 dev = wdev->netdev;
7b0a0e3c 16179 dev_hold(dev);
f26cbf40 16180 rdev = wiphy_to_rdev(wdev->wiphy);
89a54e48 16181
2182db91 16182 if (internal_flags & NL80211_FLAG_NEED_NETDEV) {
1bf614ef 16183 if (!dev) {
7b0a0e3c
JB		 16184 err = -EINVAL;
16185 goto out_unlock;
1bf614ef
JB		 16186 }
16187
16188 info->user_ptr[1] = dev;
16189 } else {
16190 info->user_ptr[1] = wdev;
41265714 16191 }
1bf614ef 16192
2182db91 16193 if (internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
73c7da3d 16194 !wdev_running(wdev)) {
7b0a0e3c
JB		 16195 err = -ENETDOWN;
16196 goto out_unlock;
73c7da3d 16197 }
1bf614ef 16198
4c476991 16199 info->user_ptr[0] = rdev;
4c476991
JB		 16200 }
16201
7b0a0e3c
JB		 16202 if (internal_flags & NL80211_FLAG_MLO_VALID_LINK_ID) {
16203 struct nlattr *link_id = info->attrs[NL80211_ATTR_MLO_LINK_ID];
16204
16205 if (!wdev) {
16206 err = -EINVAL;
16207 goto out_unlock;
16208 }
16209
16210 /* MLO -> require valid link ID */
16211 if (wdev->valid_links &&
16212 (!link_id ||
ff3821bc 16213 !(wdev->valid_links & BIT(nla_get_u8(link_id))))) {
7b0a0e3c
JB		 16214 err = -EINVAL;
16215 goto out_unlock;
16216 }
16217
16218 /* non-MLO -> no link ID attribute accepted */
16219 if (!wdev->valid_links && link_id) {
16220 err = -EINVAL;
16221 goto out_unlock;
16222 }
16223 }
16224
16225 if (internal_flags & NL80211_FLAG_MLO_UNSUPPORTED) {
16226 if (info->attrs[NL80211_ATTR_MLO_LINK_ID] ||
16227 (wdev && wdev->valid_links)) {
16228 err = -EINVAL;
16229 goto out_unlock;
16230 }
16231 }
16232
2182db91 16233 if (rdev && !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
a05829a7
JB		 16234 wiphy_lock(&rdev->wiphy);
16235 /* we keep the mutex locked until post_doit */
16236 __release(&rdev->wiphy.mtx);
16237 }
2182db91 16238 if (!(internal_flags & NL80211_FLAG_NEED_RTNL))
a05829a7
JB		 16239 rtnl_unlock();
16240
4c476991 16241 return 0;
7b0a0e3c
JB		 16242out_unlock:
16243 rtnl_unlock();
16244 dev_put(dev);
16245 return err;
4c476991
JB		 16246}
16247
20b0b53a
JK		 16248static void nl80211_post_doit(const struct genl_split_ops *ops,
16249 struct sk_buff *skb,
4c476991
JB		 16250 struct genl_info *info)
16251{
2182db91
JB		 16252 u32 internal_flags = nl80211_internal_flags[ops->internal_flags];
16253
1bf614ef 16254 if (info->user_ptr[1]) {
2182db91 16255 if (internal_flags & NL80211_FLAG_NEED_WDEV) {
1bf614ef
JB		 16256 struct wireless_dev *wdev = info->user_ptr[1];
16257
1160dfa1 16258 dev_put(wdev->netdev);
1bf614ef
JB		 16259 } else {
16260 dev_put(info->user_ptr[1]);
16261 }
16262 }
5393b917 16263
77cbf790 16264 if (info->user_ptr[0] &&
2182db91 16265 !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
a05829a7
JB		 16266 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16267
16268 /* we kept the mutex locked since pre_doit */
16269 __acquire(&rdev->wiphy.mtx);
16270 wiphy_unlock(&rdev->wiphy);
16271 }
16272
2182db91 16273 if (internal_flags & NL80211_FLAG_NEED_RTNL)
4c476991 16274 rtnl_unlock();
5393b917
JB		 16275
16276 /* If needed, clear the netlink message payload from the SKB
16277 * as it might contain key data that shouldn't stick around on
16278 * the heap after the SKB is freed. The netlink message header
16279 * is still needed for further processing, so leave it intact.
16280 */
2182db91 16281 if (internal_flags & NL80211_FLAG_CLEAR_SKB) {
5393b917
JB		 16282 struct nlmsghdr *nlh = nlmsg_hdr(skb);
16283
16284 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
16285 }
4c476991
JB		 16286}
16287
6bdb68ce
CH		 16288static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
16289 struct cfg80211_sar_specs *sar_specs,
16290 struct nlattr *spec[], int index)
16291{
16292 u32 range_index, i;
16293
16294 if (!sar_specs || !spec)
16295 return -EINVAL;
16296
16297 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
16298 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
16299 return -EINVAL;
16300
16301 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
16302
16303 /* check if range_index exceeds num_freq_ranges */
16304 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
16305 return -EINVAL;
16306
16307 /* check if range_index duplicates */
16308 for (i = 0; i < index; i++) {
16309 if (sar_specs->sub_specs[i].freq_range_index == range_index)
16310 return -EINVAL;
16311 }
16312
16313 sar_specs->sub_specs[index].power =
16314 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
16315
16316 sar_specs->sub_specs[index].freq_range_index = range_index;
16317
16318 return 0;
16319}
16320
16321static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
16322{
16323 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16324 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
16325 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
16326 struct cfg80211_sar_specs *sar_spec;
16327 enum nl80211_sar_type type;
16328 struct nlattr *spec_list;
16329 u32 specs;
16330 int rem, err;
16331
16332 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
16333 return -EOPNOTSUPP;
16334
16335 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
16336 return -EINVAL;
16337
16338 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
16339 info->attrs[NL80211_ATTR_SAR_SPEC],
16340 NULL, NULL);
16341
16342 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
16343 return -EINVAL;
16344
16345 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
16346 if (type != rdev->wiphy.sar_capa->type)
16347 return -EINVAL;
16348
16349 specs = 0;
16350 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
16351 specs++;
16352
16353 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
16354 return -EINVAL;
16355
40f231e7 16356 sar_spec = kzalloc(struct_size(sar_spec, sub_specs, specs), GFP_KERNEL);
6bdb68ce
CH		 16357 if (!sar_spec)
16358 return -ENOMEM;
16359
16360 sar_spec->type = type;
16361 specs = 0;
16362 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
16363 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
16364 spec_list, NULL, NULL);
16365
16366 switch (type) {
16367 case NL80211_SAR_TYPE_POWER:
16368 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
16369 spec, specs)) {
16370 err = -EINVAL;
16371 goto error;
16372 }
16373 break;
16374 default:
16375 err = -EINVAL;
16376 goto error;
16377 }
16378 specs++;
16379 }
16380
16381 sar_spec->num_sub_specs = specs;
16382
16383 rdev->cur_cmd_info = info;
16384 err = rdev_set_sar_specs(rdev, sar_spec);
16385 rdev->cur_cmd_info = NULL;
16386error:
16387 kfree(sar_spec);
16388 return err;
16389}
16390
2182db91
JB		 16391#define SELECTOR(__sel, name, value) \
16392 ((__sel) == (value)) ? NL80211_IFL_SEL_##name :
16393int __missing_selector(void);
16394#define IFLAGS(__val) INTERNAL_FLAG_SELECTORS(__val) __missing_selector()
16395
4534de83 16396static const struct genl_ops nl80211_ops[] = {
55682965
JB		 16397 {
16398 .cmd = NL80211_CMD_GET_WIPHY,
ef6243ac 16399 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 16400 .doit = nl80211_get_wiphy,
16401 .dumpit = nl80211_dump_wiphy,
86e8cf98 16402 .done = nl80211_dump_wiphy_done,
55682965 16403 /* can be retrieved by unprivileged users */
2182db91 16404 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
55682965 16405 },
66a9b928
JK		 16406};
16407
16408static const struct genl_small_ops nl80211_small_ops[] = {
55682965
JB		 16409 {
16410 .cmd = NL80211_CMD_SET_WIPHY,
ef6243ac 16411 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 16412 .doit = nl80211_set_wiphy,
5617c6cd 16413 .flags = GENL_UNS_ADMIN_PERM,
55682965
JB		 16414 },
16415 {
16416 .cmd = NL80211_CMD_GET_INTERFACE,
ef6243ac 16417 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 16418 .doit = nl80211_get_interface,
16419 .dumpit = nl80211_dump_interface,
55682965 16420 /* can be retrieved by unprivileged users */
2182db91 16421 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
55682965
JB		 16422 },
16423 {
16424 .cmd = NL80211_CMD_SET_INTERFACE,
ef6243ac 16425 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 16426 .doit = nl80211_set_interface,
5617c6cd 16427 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16428 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16429 NL80211_FLAG_NEED_RTNL),
55682965
JB		 16430 },
16431 {
16432 .cmd = NL80211_CMD_NEW_INTERFACE,
ef6243ac 16433 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 16434 .doit = nl80211_new_interface,
5617c6cd 16435 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16436 .internal_flags =
16437 IFLAGS(NL80211_FLAG_NEED_WIPHY |
16438 NL80211_FLAG_NEED_RTNL |
16439 /* we take the wiphy mutex later ourselves */
16440 NL80211_FLAG_NO_WIPHY_MTX),
55682965
JB		 16441 },
16442 {
16443 .cmd = NL80211_CMD_DEL_INTERFACE,
ef6243ac 16444 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 16445 .doit = nl80211_del_interface,
5617c6cd 16446 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16447 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16448 NL80211_FLAG_NEED_RTNL),
41ade00f
JB		 16449 },
16450 {
16451 .cmd = NL80211_CMD_GET_KEY,
ef6243ac 16452 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 16453 .doit = nl80211_get_key,
5617c6cd 16454 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16455 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
41ade00f
JB		 16456 },
16457 {
16458 .cmd = NL80211_CMD_SET_KEY,
ef6243ac 16459 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 16460 .doit = nl80211_set_key,
5617c6cd 16461 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c 16462 /* cannot use NL80211_FLAG_MLO_VALID_LINK_ID, depends on key */
2182db91
JB		 16463 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16464 NL80211_FLAG_CLEAR_SKB),
41ade00f
JB		 16465 },
16466 {
16467 .cmd = NL80211_CMD_NEW_KEY,
ef6243ac 16468 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 16469 .doit = nl80211_new_key,
5617c6cd 16470 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16471 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16472 NL80211_FLAG_CLEAR_SKB),
41ade00f
JB		 16473 },
16474 {
16475 .cmd = NL80211_CMD_DEL_KEY,
ef6243ac 16476 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 16477 .doit = nl80211_del_key,
5617c6cd 16478 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16479 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
55682965 16480 },
ed1b6cc7
JB		 16481 {
16482 .cmd = NL80211_CMD_SET_BEACON,
ef6243ac 16483 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 16484 .flags = GENL_UNS_ADMIN_PERM,
8860020e 16485 .doit = nl80211_set_beacon,
7b0a0e3c
JB		 16486 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16487 NL80211_FLAG_MLO_VALID_LINK_ID),
ed1b6cc7
JB		 16488 },
16489 {
8860020e 16490 .cmd = NL80211_CMD_START_AP,
ef6243ac 16491 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 16492 .flags = GENL_UNS_ADMIN_PERM,
8860020e 16493 .doit = nl80211_start_ap,
7b0a0e3c
JB		 16494 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16495 NL80211_FLAG_MLO_VALID_LINK_ID),
ed1b6cc7
JB		 16496 },
16497 {
8860020e 16498 .cmd = NL80211_CMD_STOP_AP,
ef6243ac 16499 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 16500 .flags = GENL_UNS_ADMIN_PERM,
8860020e 16501 .doit = nl80211_stop_ap,
7b0a0e3c
JB		 16502 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16503 NL80211_FLAG_MLO_VALID_LINK_ID),
ed1b6cc7 16504 },
5727ef1b
JB		 16505 {
16506 .cmd = NL80211_CMD_GET_STATION,
ef6243ac 16507 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 16508 .doit = nl80211_get_station,
2ec600d6 16509 .dumpit = nl80211_dump_station,
2182db91 16510 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
5727ef1b
JB		 16511 },
16512 {
16513 .cmd = NL80211_CMD_SET_STATION,
ef6243ac 16514 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 16515 .doit = nl80211_set_station,
5617c6cd 16516 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16517 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
5727ef1b
JB		 16518 },
16519 {
16520 .cmd = NL80211_CMD_NEW_STATION,
ef6243ac 16521 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 16522 .doit = nl80211_new_station,
5617c6cd 16523 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16524 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
5727ef1b
JB		 16525 },
16526 {
16527 .cmd = NL80211_CMD_DEL_STATION,
ef6243ac 16528 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 16529 .doit = nl80211_del_station,
5617c6cd 16530 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16531 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2ec600d6
LCC		 16532 },
16533 {
16534 .cmd = NL80211_CMD_GET_MPATH,
ef6243ac 16535 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6
LCC		 16536 .doit = nl80211_get_mpath,
16537 .dumpit = nl80211_dump_mpath,
5617c6cd 16538 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16539 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2ec600d6 16540 },
66be7d2b
HR		 16541 {
16542 .cmd = NL80211_CMD_GET_MPP,
ef6243ac 16543 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
66be7d2b
HR		 16544 .doit = nl80211_get_mpp,
16545 .dumpit = nl80211_dump_mpp,
5617c6cd 16546 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16547 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
66be7d2b 16548 },
2ec600d6
LCC		 16549 {
16550 .cmd = NL80211_CMD_SET_MPATH,
ef6243ac 16551 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 16552 .doit = nl80211_set_mpath,
5617c6cd 16553 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16554 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2ec600d6
LCC		 16555 },
16556 {
16557 .cmd = NL80211_CMD_NEW_MPATH,
ef6243ac 16558 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 16559 .doit = nl80211_new_mpath,
5617c6cd 16560 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16561 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2ec600d6
LCC		 16562 },
16563 {
16564 .cmd = NL80211_CMD_DEL_MPATH,
ef6243ac 16565 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 16566 .doit = nl80211_del_mpath,
5617c6cd 16567 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16568 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
9f1ba906
JM		 16569 },
16570 {
16571 .cmd = NL80211_CMD_SET_BSS,
ef6243ac 16572 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9f1ba906 16573 .doit = nl80211_set_bss,
5617c6cd 16574 .flags = GENL_UNS_ADMIN_PERM,
1e0f8cc9
JB		 16575 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16576 NL80211_FLAG_MLO_VALID_LINK_ID),
b2e1b302 16577 },
f130347c
LR		 16578 {
16579 .cmd = NL80211_CMD_GET_REG,
ef6243ac 16580 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad30ca2c
AN		 16581 .doit = nl80211_get_reg_do,
16582 .dumpit = nl80211_get_reg_dump,
f130347c
LR		 16583 /* can be retrieved by unprivileged users */
16584 },
b6863036 16585#ifdef CONFIG_CFG80211_CRDA_SUPPORT
b2e1b302
LR		 16586 {
16587 .cmd = NL80211_CMD_SET_REG,
ef6243ac 16588 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 16589 .doit = nl80211_set_reg,
b2e1b302
LR		 16590 .flags = GENL_ADMIN_PERM,
16591 },
b6863036 16592#endif
b2e1b302
LR		 16593 {
16594 .cmd = NL80211_CMD_REQ_SET_REG,
ef6243ac 16595 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 16596 .doit = nl80211_req_set_reg,
93da9cc1 16597 .flags = GENL_ADMIN_PERM,
16598 },
1ea4ff3e
JB		 16599 {
16600 .cmd = NL80211_CMD_RELOAD_REGDB,
ef6243ac 16601 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1ea4ff3e 16602 .doit = nl80211_reload_regdb,
1ea4ff3e
JB		 16603 .flags = GENL_ADMIN_PERM,
16604 },
93da9cc1 16605 {
24bdd9f4 16606 .cmd = NL80211_CMD_GET_MESH_CONFIG,
ef6243ac 16607 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 16608 .doit = nl80211_get_mesh_config,
93da9cc1 16609 /* can be retrieved by unprivileged users */
2182db91 16610 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
93da9cc1 16611 },
16612 {
24bdd9f4 16613 .cmd = NL80211_CMD_SET_MESH_CONFIG,
ef6243ac 16614 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 16615 .doit = nl80211_update_mesh_config,
5617c6cd 16616 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16617 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
9aed3cc1 16618 },
2a519311
JB		 16619 {
16620 .cmd = NL80211_CMD_TRIGGER_SCAN,
ef6243ac 16621 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311 16622 .doit = nl80211_trigger_scan,
5617c6cd 16623 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16624 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
2a519311 16625 },
91d3ab46
VK		 16626 {
16627 .cmd = NL80211_CMD_ABORT_SCAN,
ef6243ac 16628 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
91d3ab46 16629 .doit = nl80211_abort_scan,
5617c6cd 16630 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16631 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
91d3ab46 16632 },
2a519311
JB		 16633 {
16634 .cmd = NL80211_CMD_GET_SCAN,
ef6243ac 16635 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311
JB		 16636 .dumpit = nl80211_dump_scan,
16637 },
807f8a8c
LC		 16638 {
16639 .cmd = NL80211_CMD_START_SCHED_SCAN,
ef6243ac 16640 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 16641 .doit = nl80211_start_sched_scan,
5617c6cd 16642 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16643 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
807f8a8c
LC		 16644 },
16645 {
16646 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
ef6243ac 16647 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 16648 .doit = nl80211_stop_sched_scan,
5617c6cd 16649 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16650 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
807f8a8c 16651 },
636a5d36
JM		 16652 {
16653 .cmd = NL80211_CMD_AUTHENTICATE,
ef6243ac 16654 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 16655 .doit = nl80211_authenticate,
5617c6cd 16656 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16657 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16658 NL80211_FLAG_CLEAR_SKB),
636a5d36
JM		 16659 },
16660 {
16661 .cmd = NL80211_CMD_ASSOCIATE,
ef6243ac 16662 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 16663 .doit = nl80211_associate,
5617c6cd 16664 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16665 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16666 NL80211_FLAG_CLEAR_SKB),
636a5d36
JM		 16667 },
16668 {
16669 .cmd = NL80211_CMD_DEAUTHENTICATE,
ef6243ac 16670 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 16671 .doit = nl80211_deauthenticate,
5617c6cd 16672 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16673 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
636a5d36
JM		 16674 },
16675 {
16676 .cmd = NL80211_CMD_DISASSOCIATE,
ef6243ac 16677 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 16678 .doit = nl80211_disassociate,
5617c6cd 16679 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16680 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
636a5d36 16681 },
04a773ad
JB		 16682 {
16683 .cmd = NL80211_CMD_JOIN_IBSS,
ef6243ac 16684 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 16685 .doit = nl80211_join_ibss,
5617c6cd 16686 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16687 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
04a773ad
JB		 16688 },
16689 {
16690 .cmd = NL80211_CMD_LEAVE_IBSS,
ef6243ac 16691 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 16692 .doit = nl80211_leave_ibss,
5617c6cd 16693 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16694 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
04a773ad 16695 },
aff89a9b
JB		 16696#ifdef CONFIG_NL80211_TESTMODE
16697 {
16698 .cmd = NL80211_CMD_TESTMODE,
ef6243ac 16699 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aff89a9b 16700 .doit = nl80211_testmode_do,
71063f0e 16701 .dumpit = nl80211_testmode_dump,
5617c6cd 16702 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16703 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
aff89a9b
JB		 16704 },
16705#endif
b23aa676
SO		 16706 {
16707 .cmd = NL80211_CMD_CONNECT,
ef6243ac 16708 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 16709 .doit = nl80211_connect,
5617c6cd 16710 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16711 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16712 NL80211_FLAG_CLEAR_SKB),
b23aa676 16713 },
088e8df8 16714 {
16715 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
ef6243ac 16716 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
088e8df8 16717 .doit = nl80211_update_connect_params,
088e8df8 16718 .flags = GENL_ADMIN_PERM,
2182db91
JB		 16719 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16720 NL80211_FLAG_CLEAR_SKB),
088e8df8 16721 },
b23aa676
SO		 16722 {
16723 .cmd = NL80211_CMD_DISCONNECT,
ef6243ac 16724 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 16725 .doit = nl80211_disconnect,
5617c6cd 16726 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16727 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
b23aa676 16728 },
463d0183
JB		 16729 {
16730 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
ef6243ac 16731 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
463d0183 16732 .doit = nl80211_wiphy_netns,
5617c6cd 16733 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16734 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
16735 NL80211_FLAG_NEED_RTNL |
16736 NL80211_FLAG_NO_WIPHY_MTX),
463d0183 16737 },
61fa713c
HS		 16738 {
16739 .cmd = NL80211_CMD_GET_SURVEY,
ef6243ac 16740 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
61fa713c
HS		 16741 .dumpit = nl80211_dump_survey,
16742 },
67fbb16b
SO		 16743 {
16744 .cmd = NL80211_CMD_SET_PMKSA,
ef6243ac 16745 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 16746 .doit = nl80211_setdel_pmksa,
5617c6cd 16747 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16748 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16749 NL80211_FLAG_CLEAR_SKB),
67fbb16b
SO		 16750 },
16751 {
16752 .cmd = NL80211_CMD_DEL_PMKSA,
ef6243ac 16753 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 16754 .doit = nl80211_setdel_pmksa,
5617c6cd 16755 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16756 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
67fbb16b
SO		 16757 },
16758 {
16759 .cmd = NL80211_CMD_FLUSH_PMKSA,
ef6243ac 16760 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 16761 .doit = nl80211_flush_pmksa,
5617c6cd 16762 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16763 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
67fbb16b 16764 },
9588bbd5
JM		 16765 {
16766 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
ef6243ac 16767 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 16768 .doit = nl80211_remain_on_channel,
5617c6cd 16769 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 16770 /* FIXME: requiring a link ID here is probably not good */
16771 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
16772 NL80211_FLAG_MLO_VALID_LINK_ID),
9588bbd5
JM		 16773 },
16774 {
16775 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
ef6243ac 16776 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 16777 .doit = nl80211_cancel_remain_on_channel,
5617c6cd 16778 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16779 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
9588bbd5 16780 },
13ae75b1
JM		 16781 {
16782 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
ef6243ac 16783 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13ae75b1 16784 .doit = nl80211_set_tx_bitrate_mask,
5617c6cd 16785 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 16786 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16787 NL80211_FLAG_MLO_VALID_LINK_ID),
13ae75b1 16788 },
026331c4 16789 {
2e161f78 16790 .cmd = NL80211_CMD_REGISTER_FRAME,
ef6243ac 16791 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 16792 .doit = nl80211_register_mgmt,
5617c6cd 16793 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16794 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
026331c4
JM		 16795 },
16796 {
2e161f78 16797 .cmd = NL80211_CMD_FRAME,
ef6243ac 16798 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 16799 .doit = nl80211_tx_mgmt,
5617c6cd 16800 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16801 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
f7ca38df
JB		 16802 },
16803 {
16804 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
ef6243ac 16805 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f7ca38df 16806 .doit = nl80211_tx_mgmt_cancel_wait,
5617c6cd 16807 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16808 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
026331c4 16809 },
ffb9eb3d
KV		 16810 {
16811 .cmd = NL80211_CMD_SET_POWER_SAVE,
ef6243ac 16812 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 16813 .doit = nl80211_set_power_save,
5617c6cd 16814 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16815 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
ffb9eb3d
KV		 16816 },
16817 {
16818 .cmd = NL80211_CMD_GET_POWER_SAVE,
ef6243ac 16819 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 16820 .doit = nl80211_get_power_save,
ffb9eb3d 16821 /* can be retrieved by unprivileged users */
2182db91 16822 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
ffb9eb3d 16823 },
d6dc1a38
JO		 16824 {
16825 .cmd = NL80211_CMD_SET_CQM,
ef6243ac 16826 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
d6dc1a38 16827 .doit = nl80211_set_cqm,
5617c6cd 16828 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16829 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
d6dc1a38 16830 },
f444de05
JB		 16831 {
16832 .cmd = NL80211_CMD_SET_CHANNEL,
ef6243ac 16833 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f444de05 16834 .doit = nl80211_set_channel,
5617c6cd 16835 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 16836 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16837 NL80211_FLAG_MLO_VALID_LINK_ID),
f444de05 16838 },
29cbe68c
JB		 16839 {
16840 .cmd = NL80211_CMD_JOIN_MESH,
ef6243ac 16841 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 16842 .doit = nl80211_join_mesh,
5617c6cd 16843 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16844 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
29cbe68c
JB		 16845 },
16846 {
16847 .cmd = NL80211_CMD_LEAVE_MESH,
ef6243ac 16848 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 16849 .doit = nl80211_leave_mesh,
5617c6cd 16850 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16851 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
29cbe68c 16852 },
6e0bd6c3
RL		 16853 {
16854 .cmd = NL80211_CMD_JOIN_OCB,
ef6243ac 16855 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 16856 .doit = nl80211_join_ocb,
5617c6cd 16857 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16858 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
6e0bd6c3
RL		 16859 },
16860 {
16861 .cmd = NL80211_CMD_LEAVE_OCB,
ef6243ac 16862 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 16863 .doit = nl80211_leave_ocb,
5617c6cd 16864 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16865 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
6e0bd6c3 16866 },
dfb89c56 16867#ifdef CONFIG_PM
ff1b6e69
JB		 16868 {
16869 .cmd = NL80211_CMD_GET_WOWLAN,
ef6243ac 16870 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 16871 .doit = nl80211_get_wowlan,
ff1b6e69 16872 /* can be retrieved by unprivileged users */
2182db91 16873 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
ff1b6e69
JB		 16874 },
16875 {
16876 .cmd = NL80211_CMD_SET_WOWLAN,
ef6243ac 16877 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 16878 .doit = nl80211_set_wowlan,
5617c6cd 16879 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16880 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
ff1b6e69 16881 },
dfb89c56 16882#endif
e5497d76
JB		 16883 {
16884 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
ef6243ac 16885 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e5497d76 16886 .doit = nl80211_set_rekey_data,
5617c6cd 16887 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16888 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16889 NL80211_FLAG_CLEAR_SKB),
e5497d76 16890 },
109086ce
AN		 16891 {
16892 .cmd = NL80211_CMD_TDLS_MGMT,
ef6243ac 16893 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 16894 .doit = nl80211_tdls_mgmt,
5617c6cd 16895 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16896 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
109086ce
AN		 16897 },
16898 {
16899 .cmd = NL80211_CMD_TDLS_OPER,
ef6243ac 16900 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 16901 .doit = nl80211_tdls_oper,
5617c6cd 16902 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16903 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
109086ce 16904 },
28946da7
JB		 16905 {
16906 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
ef6243ac 16907 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
28946da7 16908 .doit = nl80211_register_unexpected_frame,
5617c6cd 16909 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16910 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
28946da7 16911 },
7f6cf311
JB		 16912 {
16913 .cmd = NL80211_CMD_PROBE_CLIENT,
ef6243ac 16914 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
7f6cf311 16915 .doit = nl80211_probe_client,
5617c6cd 16916 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16917 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
7f6cf311 16918 },
5e760230
JB		 16919 {
16920 .cmd = NL80211_CMD_REGISTER_BEACONS,
ef6243ac 16921 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5e760230 16922 .doit = nl80211_register_beacons,
5617c6cd 16923 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16924 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
5e760230 16925 },
1d9d9213
SW		 16926 {
16927 .cmd = NL80211_CMD_SET_NOACK_MAP,
ef6243ac 16928 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1d9d9213 16929 .doit = nl80211_set_noack_map,
5617c6cd 16930 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16931 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
1d9d9213 16932 },
98104fde
JB		 16933 {
16934 .cmd = NL80211_CMD_START_P2P_DEVICE,
ef6243ac 16935 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 16936 .doit = nl80211_start_p2p_device,
5617c6cd 16937 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16938 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16939 NL80211_FLAG_NEED_RTNL),
98104fde
JB		 16940 },
16941 {
16942 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
ef6243ac 16943 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 16944 .doit = nl80211_stop_p2p_device,
5617c6cd 16945 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 16946 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
16947 NL80211_FLAG_NEED_RTNL),
cb3b7d87
AB		 16948 },
16949 {
16950 .cmd = NL80211_CMD_START_NAN,
ef6243ac 16951 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 16952 .doit = nl80211_start_nan,
cb3b7d87 16953 .flags = GENL_ADMIN_PERM,
2182db91
JB		 16954 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16955 NL80211_FLAG_NEED_RTNL),
cb3b7d87
AB		 16956 },
16957 {
16958 .cmd = NL80211_CMD_STOP_NAN,
ef6243ac 16959 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 16960 .doit = nl80211_stop_nan,
cb3b7d87 16961 .flags = GENL_ADMIN_PERM,
2182db91
JB		 16962 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
16963 NL80211_FLAG_NEED_RTNL),
a442b761
AB		 16964 },
16965 {
16966 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
ef6243ac 16967 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 16968 .doit = nl80211_nan_add_func,
a442b761 16969 .flags = GENL_ADMIN_PERM,
2182db91 16970 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
a442b761
AB		 16971 },
16972 {
16973 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
ef6243ac 16974 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 16975 .doit = nl80211_nan_del_func,
a442b761 16976 .flags = GENL_ADMIN_PERM,
2182db91 16977 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
a5a9dcf2
AB		 16978 },
16979 {
16980 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
ef6243ac 16981 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a5a9dcf2 16982 .doit = nl80211_nan_change_config,
a5a9dcf2 16983 .flags = GENL_ADMIN_PERM,
2182db91 16984 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
98104fde 16985 },
f4e583c8
AQ		 16986 {
16987 .cmd = NL80211_CMD_SET_MCAST_RATE,
ef6243ac 16988 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f4e583c8 16989 .doit = nl80211_set_mcast_rate,
5617c6cd 16990 .flags = GENL_UNS_ADMIN_PERM,
2182db91 16991 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
77765eaf
VT		 16992 },
16993 {
16994 .cmd = NL80211_CMD_SET_MAC_ACL,
ef6243ac 16995 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
77765eaf 16996 .doit = nl80211_set_mac_acl,
5617c6cd 16997 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 16998 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16999 NL80211_FLAG_MLO_UNSUPPORTED),
f4e583c8 17000 },
04f39047
SW		 17001 {
17002 .cmd = NL80211_CMD_RADAR_DETECT,
ef6243ac 17003 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04f39047 17004 .doit = nl80211_start_radar_detection,
5617c6cd 17005 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17006 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
7b0a0e3c
JB		 17007 NL80211_FLAG_NO_WIPHY_MTX |
17008 NL80211_FLAG_MLO_UNSUPPORTED),
04f39047 17009 },
3713b4e3
JB		 17010 {
17011 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
ef6243ac 17012 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3713b4e3 17013 .doit = nl80211_get_protocol_features,
3713b4e3 17014 },
355199e0
JM		 17015 {
17016 .cmd = NL80211_CMD_UPDATE_FT_IES,
ef6243ac 17017 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
355199e0 17018 .doit = nl80211_update_ft_ies,
5617c6cd 17019 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17020 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
355199e0 17021 },
5de17984
AS		 17022 {
17023 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
ef6243ac 17024 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 17025 .doit = nl80211_crit_protocol_start,
5617c6cd 17026 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17027 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
5de17984
AS		 17028 },
17029 {
17030 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
ef6243ac 17031 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 17032 .doit = nl80211_crit_protocol_stop,
5617c6cd 17033 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17034 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
be29b99a
AK		 17035 },
17036 {
17037 .cmd = NL80211_CMD_GET_COALESCE,
ef6243ac 17038 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 17039 .doit = nl80211_get_coalesce,
2182db91 17040 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
be29b99a
AK		 17041 },
17042 {
17043 .cmd = NL80211_CMD_SET_COALESCE,
ef6243ac 17044 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 17045 .doit = nl80211_set_coalesce,
5617c6cd 17046 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17047 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16ef1fe2
SW		 17048 },
17049 {
17050 .cmd = NL80211_CMD_CHANNEL_SWITCH,
ef6243ac 17051 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16ef1fe2 17052 .doit = nl80211_channel_switch,
5617c6cd 17053 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17054 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17055 NL80211_FLAG_MLO_VALID_LINK_ID),
16ef1fe2 17056 },
ad7e718c
JB		 17057 {
17058 .cmd = NL80211_CMD_VENDOR,
ef6243ac 17059 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad7e718c 17060 .doit = nl80211_vendor_cmd,
7bdbe400 17061 .dumpit = nl80211_vendor_cmd_dump,
5617c6cd 17062 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17063 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17064 NL80211_FLAG_CLEAR_SKB),
ad7e718c 17065 },
fa9ffc74
KP		 17066 {
17067 .cmd = NL80211_CMD_SET_QOS_MAP,
ef6243ac 17068 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
fa9ffc74 17069 .doit = nl80211_set_qos_map,
5617c6cd 17070 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17071 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
fa9ffc74 17072 },
960d01ac
JB		 17073 {
17074 .cmd = NL80211_CMD_ADD_TX_TS,
ef6243ac 17075 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 17076 .doit = nl80211_add_tx_ts,
5617c6cd 17077 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17078 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17079 NL80211_FLAG_MLO_UNSUPPORTED),
960d01ac
JB		 17080 },
17081 {
17082 .cmd = NL80211_CMD_DEL_TX_TS,
ef6243ac 17083 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 17084 .doit = nl80211_del_tx_ts,
5617c6cd 17085 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17086 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
960d01ac 17087 },
1057d35e
AN		 17088 {
17089 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
ef6243ac 17090 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 17091 .doit = nl80211_tdls_channel_switch,
5617c6cd 17092 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17093 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
1057d35e
AN		 17094 },
17095 {
17096 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
ef6243ac 17097 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 17098 .doit = nl80211_tdls_cancel_channel_switch,
5617c6cd 17099 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17100 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
1057d35e 17101 },
ce0ce13a
MB		 17102 {
17103 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
ef6243ac 17104 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ce0ce13a 17105 .doit = nl80211_set_multicast_to_unicast,
ce0ce13a 17106 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17107 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
ce0ce13a 17108 },
3a00df57
AS		 17109 {
17110 .cmd = NL80211_CMD_SET_PMK,
ef6243ac 17111 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 17112 .doit = nl80211_set_pmk,
2182db91
JB		 17113 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17114 NL80211_FLAG_CLEAR_SKB),
3a00df57
AS		 17115 },
17116 {
17117 .cmd = NL80211_CMD_DEL_PMK,
ef6243ac 17118 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 17119 .doit = nl80211_del_pmk,
2182db91 17120 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
3a00df57 17121 },
40cbfa90
SD		 17122 {
17123 .cmd = NL80211_CMD_EXTERNAL_AUTH,
ef6243ac 17124 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
40cbfa90 17125 .doit = nl80211_external_auth,
40cbfa90 17126 .flags = GENL_ADMIN_PERM,
2182db91 17127 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
40cbfa90 17128 },
2576a9ac
DK		 17129 {
17130 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
ef6243ac 17131 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2576a9ac 17132 .doit = nl80211_tx_control_port,
2576a9ac 17133 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17134 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
2576a9ac 17135 },
81e54d08
PKC		 17136 {
17137 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
ef6243ac 17138 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
81e54d08 17139 .doit = nl80211_get_ftm_responder_stats,
7b0a0e3c
JB		 17140 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17141 NL80211_FLAG_MLO_VALID_LINK_ID),
81e54d08 17142 },
9bb7e0f2
JB		 17143 {
17144 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
ef6243ac 17145 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9bb7e0f2 17146 .doit = nl80211_pmsr_start,
9bb7e0f2 17147 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17148 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
9bb7e0f2 17149 },
30c63115
S		 17150 {
17151 .cmd = NL80211_CMD_NOTIFY_RADAR,
ef6243ac 17152 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
30c63115 17153 .doit = nl80211_notify_radar_detection,
30c63115 17154 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17155 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
30c63115 17156 },
cb74e977
SD		 17157 {
17158 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
17159 .doit = nl80211_update_owe_info,
17160 .flags = GENL_ADMIN_PERM,
2182db91 17161 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
5ab92e7f
RM		 17162 },
17163 {
17164 .cmd = NL80211_CMD_PROBE_MESH_LINK,
17165 .doit = nl80211_probe_mesh_link,
17166 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17167 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
cb74e977 17168 },
77f576de
T		 17169 {
17170 .cmd = NL80211_CMD_SET_TID_CONFIG,
17171 .doit = nl80211_set_tid_config,
17172 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17173 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17174 NL80211_FLAG_MLO_VALID_LINK_ID),
77f576de 17175 },
6bdb68ce
CH		 17176 {
17177 .cmd = NL80211_CMD_SET_SAR_SPECS,
17178 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17179 .doit = nl80211_set_sar_specs,
17180 .flags = GENL_UNS_ADMIN_PERM,
2182db91
JB		 17181 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17182 NL80211_FLAG_NEED_RTNL),
6bdb68ce 17183 },
0d2ab3ae
JC		 17184 {
17185 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
17186 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17187 .doit = nl80211_color_change,
17188 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17189 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
0d2ab3ae 17190 },
e306784a
SM		 17191 {
17192 .cmd = NL80211_CMD_SET_FILS_AAD,
17193 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17194 .doit = nl80211_set_fils_aad,
17195 .flags = GENL_UNS_ADMIN_PERM,
2182db91 17196 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
e306784a 17197 },
7b0a0e3c
JB		 17198 {
17199 .cmd = NL80211_CMD_ADD_LINK,
17200 .doit = nl80211_add_link,
17201 .flags = GENL_UNS_ADMIN_PERM,
17202 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17203 },
17204 {
17205 .cmd = NL80211_CMD_REMOVE_LINK,
17206 .doit = nl80211_remove_link,
17207 .flags = GENL_UNS_ADMIN_PERM,
577e5b8c
ST		 17208 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17209 NL80211_FLAG_MLO_VALID_LINK_ID),
17210 },
17211 {
17212 .cmd = NL80211_CMD_ADD_LINK_STA,
17213 .doit = nl80211_add_link_station,
17214 .flags = GENL_UNS_ADMIN_PERM,
17215 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17216 NL80211_FLAG_MLO_VALID_LINK_ID),
17217 },
17218 {
17219 .cmd = NL80211_CMD_MODIFY_LINK_STA,
17220 .doit = nl80211_modify_link_station,
17221 .flags = GENL_UNS_ADMIN_PERM,
17222 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17223 NL80211_FLAG_MLO_VALID_LINK_ID),
17224 },
17225 {
17226 .cmd = NL80211_CMD_REMOVE_LINK_STA,
17227 .doit = nl80211_remove_link_station,
17228 .flags = GENL_UNS_ADMIN_PERM,
7b0a0e3c
JB		 17229 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17230 NL80211_FLAG_MLO_VALID_LINK_ID),
17231 },
55682965 17232};
9588bbd5 17233
56989f6d 17234static struct genl_family nl80211_fam __ro_after_init = {
489111e5
JB		 17235 .name = NL80211_GENL_NAME, /* have users key off the name instead */
17236 .hdrsize = 0, /* no private header */
17237 .version = 1, /* no particular meaning now */
17238 .maxattr = NL80211_ATTR_MAX,
3b0f31f2 17239 .policy = nl80211_policy,
489111e5
JB		 17240 .netnsok = true,
17241 .pre_doit = nl80211_pre_doit,
17242 .post_doit = nl80211_post_doit,
17243 .module = THIS_MODULE,
17244 .ops = nl80211_ops,
17245 .n_ops = ARRAY_SIZE(nl80211_ops),
66a9b928
JK		 17246 .small_ops = nl80211_small_ops,
17247 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
9c5d03d3 17248 .resv_start_op = NL80211_CMD_REMOVE_LINK_STA + 1,
489111e5
JB		 17249 .mcgrps = nl80211_mcgrps,
17250 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
50508d94 17251 .parallel_ops = true,
489111e5
JB		 17252};
17253
55682965
JB		 17254/* notification functions */
17255
3bb20556
JB		 17256void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
17257 enum nl80211_commands cmd)
55682965
JB		 17258{
17259 struct sk_buff *msg;
86e8cf98 17260 struct nl80211_dump_wiphy_state state = {};
55682965 17261
3bb20556
JB		 17262 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
17263 cmd != NL80211_CMD_DEL_WIPHY);
17264
fd2120ca 17265 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965
JB		 17266 if (!msg)
17267 return;
17268
3bb20556 17269 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
55682965
JB		 17270 nlmsg_free(msg);
17271 return;
17272 }
17273
68eb5503 17274 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17275 NL80211_MCGRP_CONFIG, GFP_KERNEL);
55682965
JB		 17276}
17277
896ff063
DK		 17278void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
17279 struct wireless_dev *wdev,
17280 enum nl80211_commands cmd)
17281{
17282 struct sk_buff *msg;
17283
896ff063
DK		 17284 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17285 if (!msg)
17286 return;
17287
3d1a5bbf 17288 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
896ff063
DK		 17289 nlmsg_free(msg);
17290 return;
17291 }
17292
17293 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17294 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17295}
17296
362a415d
JB		 17297static int nl80211_add_scan_req(struct sk_buff *msg,
17298 struct cfg80211_registered_device *rdev)
17299{
17300 struct cfg80211_scan_request *req = rdev->scan_req;
17301 struct nlattr *nest;
17302 int i;
c8cb5b85 17303 struct cfg80211_scan_info *info;
362a415d
JB		 17304
17305 if (WARN_ON(!req))
17306 return 0;
17307
ae0be8de 17308 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
362a415d
JB		 17309 if (!nest)
17310 goto nla_put_failure;
9360ffd1
DM		 17311 for (i = 0; i < req->n_ssids; i++) {
17312 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
17313 goto nla_put_failure;
17314 }
362a415d
JB		 17315 nla_nest_end(msg, nest);
17316
2032f3b2
TP		 17317 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
17318 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
17319 if (!nest)
17320 goto nla_put_failure;
17321 for (i = 0; i < req->n_channels; i++) {
17322 if (nla_put_u32(msg, i,
17323 ieee80211_channel_to_khz(req->channels[i])))
17324 goto nla_put_failure;
17325 }
17326 nla_nest_end(msg, nest);
17327 } else {
17328 nest = nla_nest_start_noflag(msg,
17329 NL80211_ATTR_SCAN_FREQUENCIES);
17330 if (!nest)
9360ffd1 17331 goto nla_put_failure;
2032f3b2
TP		 17332 for (i = 0; i < req->n_channels; i++) {
17333 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
17334 goto nla_put_failure;
17335 }
17336 nla_nest_end(msg, nest);
9360ffd1 17337 }
362a415d 17338
9360ffd1
DM		 17339 if (req->ie &&
17340 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
17341 goto nla_put_failure;
362a415d 17342
ae917c9f
JB		 17343 if (req->flags &&
17344 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
17345 goto nla_put_failure;
ed473771 17346
c8cb5b85
TM		 17347 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
17348 &rdev->scan_req->info;
17349 if (info->scan_start_tsf &&
1d76250b 17350 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
c8cb5b85 17351 info->scan_start_tsf, NL80211_BSS_PAD) ||
1d76250b 17352 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
c8cb5b85 17353 info->tsf_bssid)))
1d76250b
AS		 17354 goto nla_put_failure;
17355
362a415d
JB		 17356 return 0;
17357 nla_put_failure:
17358 return -ENOBUFS;
17359}
17360
505a2e88 17361static int nl80211_prep_scan_msg(struct sk_buff *msg,
a538e2d5 17362 struct cfg80211_registered_device *rdev,
fd014284 17363 struct wireless_dev *wdev,
15e47304 17364 u32 portid, u32 seq, int flags,
a538e2d5 17365 u32 cmd)
2a519311
JB		 17366{
17367 void *hdr;
17368
15e47304 17369 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2a519311
JB		 17370 if (!hdr)
17371 return -1;
17372
9360ffd1 17373 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
fd014284
JB		 17374 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17375 wdev->netdev->ifindex)) ||
2dad624e
ND		 17376 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17377 NL80211_ATTR_PAD))
9360ffd1 17378 goto nla_put_failure;
2a519311 17379
362a415d
JB		 17380 /* ignore errors and send incomplete event anyway */
17381 nl80211_add_scan_req(msg, rdev);
2a519311 17382
053c095a
JB		 17383 genlmsg_end(msg, hdr);
17384 return 0;
2a519311
JB		 17385
17386 nla_put_failure:
17387 genlmsg_cancel(msg, hdr);
17388 return -EMSGSIZE;
17389}
17390
807f8a8c 17391static int
505a2e88 17392nl80211_prep_sched_scan_msg(struct sk_buff *msg,
96b08fd6 17393 struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 17394{
17395 void *hdr;
17396
96b08fd6 17397 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
807f8a8c
LC		 17398 if (!hdr)
17399 return -1;
17400
96b08fd6
AVS		 17401 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
17402 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
17403 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
17404 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
17405 NL80211_ATTR_PAD))
9360ffd1 17406 goto nla_put_failure;
807f8a8c 17407
053c095a
JB		 17408 genlmsg_end(msg, hdr);
17409 return 0;
807f8a8c
LC		 17410
17411 nla_put_failure:
17412 genlmsg_cancel(msg, hdr);
17413 return -EMSGSIZE;
17414}
17415
a538e2d5 17416void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
fd014284 17417 struct wireless_dev *wdev)
a538e2d5
JB		 17418{
17419 struct sk_buff *msg;
17420
58050fce 17421 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
a538e2d5
JB		 17422 if (!msg)
17423 return;
17424
505a2e88 17425 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
a538e2d5
JB		 17426 NL80211_CMD_TRIGGER_SCAN) < 0) {
17427 nlmsg_free(msg);
17428 return;
17429 }
17430
68eb5503 17431 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17432 NL80211_MCGRP_SCAN, GFP_KERNEL);
a538e2d5
JB		 17433}
17434
f9d15d16
JB		 17435struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
17436 struct wireless_dev *wdev, bool aborted)
2a519311
JB		 17437{
17438 struct sk_buff *msg;
17439
fd2120ca 17440 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2a519311 17441 if (!msg)
f9d15d16 17442 return NULL;
2a519311 17443
505a2e88 17444 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
f9d15d16
JB		 17445 aborted ? NL80211_CMD_SCAN_ABORTED :
17446 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
2a519311 17447 nlmsg_free(msg);
f9d15d16 17448 return NULL;
2a519311
JB		 17449 }
17450
f9d15d16 17451 return msg;
2a519311
JB		 17452}
17453
505a2e88
AVS		 17454/* send message created by nl80211_build_scan_msg() */
17455void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
17456 struct sk_buff *msg)
807f8a8c 17457{
807f8a8c
LC		 17458 if (!msg)
17459 return;
17460
68eb5503 17461 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17462 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 17463}
17464
96b08fd6 17465void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 17466{
17467 struct sk_buff *msg;
17468
58050fce 17469 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
807f8a8c
LC		 17470 if (!msg)
17471 return;
17472
96b08fd6 17473 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
807f8a8c
LC		 17474 nlmsg_free(msg);
17475 return;
17476 }
17477
96b08fd6 17478 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
2a94fe48 17479 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 17480}
17481
b0d7aa59
JD		 17482static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
17483 struct regulatory_request *request)
73d54c9e 17484{
73d54c9e 17485 /* Userspace can always count this one always being set */
9360ffd1
DM		 17486 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
17487 goto nla_put_failure;
17488
17489 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
17490 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17491 NL80211_REGDOM_TYPE_WORLD))
17492 goto nla_put_failure;
17493 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
17494 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17495 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
17496 goto nla_put_failure;
17497 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
17498 request->intersect) {
17499 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17500 NL80211_REGDOM_TYPE_INTERSECTION))
17501 goto nla_put_failure;
17502 } else {
17503 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17504 NL80211_REGDOM_TYPE_COUNTRY) ||
17505 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
17506 request->alpha2))
17507 goto nla_put_failure;
17508 }
17509
ad30ca2c
AN		 17510 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
17511 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
17512
17513 if (wiphy &&
17514 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
17515 goto nla_put_failure;
1bdd716c
AN		 17516
17517 if (wiphy &&
17518 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
17519 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
17520 goto nla_put_failure;
ad30ca2c 17521 }
73d54c9e 17522
b0d7aa59
JD		 17523 return true;
17524
17525nla_put_failure:
17526 return false;
17527}
17528
17529/*
17530 * This can happen on global regulatory changes or device specific settings
17531 * based on custom regulatory domains.
17532 */
17533void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
17534 struct regulatory_request *request)
17535{
17536 struct sk_buff *msg;
17537 void *hdr;
17538
17539 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17540 if (!msg)
17541 return;
17542
17543 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
24f6d765 17544 if (!hdr)
17545 goto nla_put_failure;
b0d7aa59 17546
24f6d765 17547 if (!nl80211_reg_change_event_fill(msg, request))
b0d7aa59
JD		 17548 goto nla_put_failure;
17549
3b7b72ee 17550 genlmsg_end(msg, hdr);
73d54c9e 17551
bc43b28c 17552 rcu_read_lock();
68eb5503 17553 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 17554 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
bc43b28c 17555 rcu_read_unlock();
73d54c9e
LR		 17556
17557 return;
17558
17559nla_put_failure:
73d54c9e
LR		 17560 nlmsg_free(msg);
17561}
17562
6039f6d2
JM		 17563static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
17564 struct net_device *netdev,
17565 const u8 *buf, size_t len,
b0b6aa2c 17566 enum nl80211_commands cmd, gfp_t gfp,
4d9ec73d 17567 int uapsd_queues, const u8 *req_ies,
3bb02143 17568 size_t req_ies_len, bool reconnect)
6039f6d2
JM		 17569{
17570 struct sk_buff *msg;
17571 void *hdr;
17572
4d9ec73d 17573 msg = nlmsg_new(100 + len + req_ies_len, gfp);
6039f6d2
JM		 17574 if (!msg)
17575 return;
17576
17577 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17578 if (!hdr) {
17579 nlmsg_free(msg);
17580 return;
17581 }
17582
9360ffd1
DM		 17583 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17584 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
4d9ec73d
JM		 17585 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17586 (req_ies &&
17587 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
9360ffd1 17588 goto nla_put_failure;
6039f6d2 17589
3bb02143
JB		 17590 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
17591 goto nla_put_failure;
17592
b0b6aa2c
EP		 17593 if (uapsd_queues >= 0) {
17594 struct nlattr *nla_wmm =
ae0be8de 17595 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
b0b6aa2c
EP		 17596 if (!nla_wmm)
17597 goto nla_put_failure;
17598
17599 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
17600 uapsd_queues))
17601 goto nla_put_failure;
17602
17603 nla_nest_end(msg, nla_wmm);
17604 }
17605
3b7b72ee 17606 genlmsg_end(msg, hdr);
6039f6d2 17607
68eb5503 17608 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17609 NL80211_MCGRP_MLME, gfp);
6039f6d2
JM		 17610 return;
17611
17612 nla_put_failure:
6039f6d2
JM		 17613 nlmsg_free(msg);
17614}
17615
17616void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 17617 struct net_device *netdev, const u8 *buf,
17618 size_t len, gfp_t gfp)
6039f6d2
JM		 17619{
17620 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 17621 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
17622 false);
6039f6d2
JM		 17623}
17624
17625void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
cd47c0f5
JB		 17626 struct net_device *netdev,
17627 struct cfg80211_rx_assoc_resp *data)
6039f6d2 17628{
cd47c0f5
JB		 17629 nl80211_send_mlme_event(rdev, netdev, data->buf, data->len,
17630 NL80211_CMD_ASSOCIATE, GFP_KERNEL,
17631 data->uapsd_queues,
17632 data->req_ies, data->req_ies_len, false);
6039f6d2
JM		 17633}
17634
53b46b84 17635void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
e6d6e342 17636 struct net_device *netdev, const u8 *buf,
3bb02143 17637 size_t len, bool reconnect, gfp_t gfp)
6039f6d2
JM		 17638{
17639 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 17640 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
17641 reconnect);
6039f6d2
JM		 17642}
17643
53b46b84
JM		 17644void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
17645 struct net_device *netdev, const u8 *buf,
3bb02143 17646 size_t len, bool reconnect, gfp_t gfp)
6039f6d2
JM		 17647{
17648 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 17649 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
17650 reconnect);
6039f6d2
JM		 17651}
17652
6ff57cf8
JB		 17653void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
17654 size_t len)
cf4e594e 17655{
947add36
JB		 17656 struct wireless_dev *wdev = dev->ieee80211_ptr;
17657 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17658 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
6ff57cf8
JB		 17659 const struct ieee80211_mgmt *mgmt = (void *)buf;
17660 u32 cmd;
947add36 17661
6ff57cf8
JB		 17662 if (WARN_ON(len < 2))
17663 return;
cf4e594e 17664
4d797fce 17665 if (ieee80211_is_deauth(mgmt->frame_control)) {
6ff57cf8 17666 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
4d797fce 17667 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
6ff57cf8 17668 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
4d797fce
JM		 17669 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
17670 if (wdev->unprot_beacon_reported &&
17671 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
17672 return;
17673 cmd = NL80211_CMD_UNPROT_BEACON;
17674 wdev->unprot_beacon_reported = jiffies;
17675 } else {
17676 return;
17677 }
947add36 17678
6ff57cf8 17679 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
4d9ec73d 17680 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
3bb02143 17681 NULL, 0, false);
cf4e594e 17682}
6ff57cf8 17683EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
cf4e594e 17684
1b06bb40
LR		 17685static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
17686 struct net_device *netdev, int cmd,
e6d6e342 17687 const u8 *addr, gfp_t gfp)
1965c853
JM		 17688{
17689 struct sk_buff *msg;
17690 void *hdr;
17691
e6d6e342 17692 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
1965c853
JM		 17693 if (!msg)
17694 return;
17695
17696 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17697 if (!hdr) {
17698 nlmsg_free(msg);
17699 return;
17700 }
17701
9360ffd1
DM		 17702 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17703 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17704 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
17705 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
17706 goto nla_put_failure;
1965c853 17707
3b7b72ee 17708 genlmsg_end(msg, hdr);
1965c853 17709
68eb5503 17710 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17711 NL80211_MCGRP_MLME, gfp);
1965c853
JM		 17712 return;
17713
17714 nla_put_failure:
1965c853
JM		 17715 nlmsg_free(msg);
17716}
17717
17718void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 17719 struct net_device *netdev, const u8 *addr,
17720 gfp_t gfp)
1965c853
JM		 17721{
17722 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
e6d6e342 17723 addr, gfp);
1965c853
JM		 17724}
17725
17726void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 17727 struct net_device *netdev, const u8 *addr,
17728 gfp_t gfp)
1965c853 17729{
e6d6e342
JB		 17730 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
17731 addr, gfp);
1965c853
JM		 17732}
17733
b23aa676 17734void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
5349a0f7
VK		 17735 struct net_device *netdev,
17736 struct cfg80211_connect_resp_params *cr,
3093ebbe 17737 gfp_t gfp)
b23aa676
SO		 17738{
17739 struct sk_buff *msg;
17740 void *hdr;
efbabc11
VJ		 17741 unsigned int link;
17742 size_t link_info_size = 0;
17743 const u8 *connected_addr = cr->valid_links ?
17744 cr->ap_mld_addr : cr->links[0].bssid;
17745
17746 if (cr->valid_links) {
17747 for_each_valid_link(cr, link) {
17748 /* Nested attribute header */
17749 link_info_size += NLA_HDRLEN;
17750 /* Link ID */
17751 link_info_size += nla_total_size(sizeof(u8));
17752 link_info_size += cr->links[link].addr ?
17753 nla_total_size(ETH_ALEN) : 0;
17754 link_info_size += (cr->links[link].bssid ||
17755 cr->links[link].bss) ?
17756 nla_total_size(ETH_ALEN) : 0;
53ad07e9 17757 link_info_size += nla_total_size(sizeof(u16));
efbabc11
VJ		 17758 }
17759 }
b23aa676 17760
a3caf744 17761 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
76804d28 17762 cr->fils.kek_len + cr->fils.pmk_len +
efbabc11
VJ		 17763 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
17764 gfp);
b23aa676
SO		 17765 if (!msg)
17766 return;
17767
17768 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
17769 if (!hdr) {
17770 nlmsg_free(msg);
17771 return;
17772 }
17773
9360ffd1
DM		 17774 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17775 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
efbabc11
VJ		 17776 (connected_addr &&
17777 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr)) ||
bf1ecd21 17778 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
5349a0f7
VK		 17779 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
17780 cr->status) ||
17781 (cr->status < 0 &&
3093ebbe 17782 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
5349a0f7
VK		 17783 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
17784 cr->timeout_reason))) ||
17785 (cr->req_ie &&
17786 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
17787 (cr->resp_ie &&
17788 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
a3caf744 17789 cr->resp_ie)) ||
76804d28 17790 (cr->fils.update_erp_next_seq_num &&
a3caf744 17791 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
76804d28 17792 cr->fils.erp_next_seq_num)) ||
a3caf744 17793 (cr->status == WLAN_STATUS_SUCCESS &&
76804d28
AVS		 17794 ((cr->fils.kek &&
17795 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
17796 cr->fils.kek)) ||
17797 (cr->fils.pmk &&
17798 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
17799 (cr->fils.pmkid &&
17800 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
9360ffd1 17801 goto nla_put_failure;
b23aa676 17802
efbabc11
VJ		 17803 if (cr->valid_links) {
17804 int i = 1;
17805 struct nlattr *nested;
17806
17807 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
17808 if (!nested)
17809 goto nla_put_failure;
17810
17811 for_each_valid_link(cr, link) {
17812 struct nlattr *nested_mlo_links;
17813 const u8 *bssid = cr->links[link].bss ?
17814 cr->links[link].bss->bssid :
17815 cr->links[link].bssid;
17816
17817 nested_mlo_links = nla_nest_start(msg, i);
17818 if (!nested_mlo_links)
17819 goto nla_put_failure;
17820
17821 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
17822 (bssid &&
17823 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
17824 (cr->links[link].addr &&
17825 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
53ad07e9
JB		 17826 cr->links[link].addr)) ||
17827 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
17828 cr->links[link].status))
efbabc11
VJ		 17829 goto nla_put_failure;
17830
17831 nla_nest_end(msg, nested_mlo_links);
17832 i++;
17833 }
17834 nla_nest_end(msg, nested);
17835 }
17836
3b7b72ee 17837 genlmsg_end(msg, hdr);
b23aa676 17838
68eb5503 17839 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17840 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 17841 return;
17842
17843 nla_put_failure:
b23aa676 17844 nlmsg_free(msg);
b23aa676
SO		 17845}
17846
17847void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
29ce6ecb
AS		 17848 struct net_device *netdev,
17849 struct cfg80211_roam_info *info, gfp_t gfp)
b23aa676
SO		 17850{
17851 struct sk_buff *msg;
17852 void *hdr;
efbabc11
VJ		 17853 size_t link_info_size = 0;
17854 unsigned int link;
17855 const u8 *connected_addr = info->ap_mld_addr ?
17856 info->ap_mld_addr :
17857 (info->links[0].bss ?
17858 info->links[0].bss->bssid :
17859 info->links[0].bssid);
17860
17861 if (info->valid_links) {
17862 for_each_valid_link(info, link) {
17863 /* Nested attribute header */
17864 link_info_size += NLA_HDRLEN;
17865 /* Link ID */
17866 link_info_size += nla_total_size(sizeof(u8));
17867 link_info_size += info->links[link].addr ?
17868 nla_total_size(ETH_ALEN) : 0;
17869 link_info_size += (info->links[link].bssid ||
17870 info->links[link].bss) ?
17871 nla_total_size(ETH_ALEN) : 0;
17872 }
17873 }
b23aa676 17874
e841b7b1
AVS		 17875 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
17876 info->fils.kek_len + info->fils.pmk_len +
efbabc11
VJ		 17877 (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
17878 link_info_size, gfp);
b23aa676
SO		 17879 if (!msg)
17880 return;
17881
17882 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
17883 if (!hdr) {
17884 nlmsg_free(msg);
17885 return;
17886 }
17887
9360ffd1
DM		 17888 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17889 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
efbabc11 17890 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
29ce6ecb
AS		 17891 (info->req_ie &&
17892 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
17893 info->req_ie)) ||
17894 (info->resp_ie &&
17895 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
e841b7b1
AVS		 17896 info->resp_ie)) ||
17897 (info->fils.update_erp_next_seq_num &&
17898 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
17899 info->fils.erp_next_seq_num)) ||
17900 (info->fils.kek &&
17901 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
17902 info->fils.kek)) ||
17903 (info->fils.pmk &&
17904 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
17905 (info->fils.pmkid &&
17906 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
9360ffd1 17907 goto nla_put_failure;
b23aa676 17908
efbabc11
VJ		 17909 if (info->valid_links) {
17910 int i = 1;
17911 struct nlattr *nested;
17912
17913 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
17914 if (!nested)
17915 goto nla_put_failure;
17916
17917 for_each_valid_link(info, link) {
17918 struct nlattr *nested_mlo_links;
17919 const u8 *bssid = info->links[link].bss ?
17920 info->links[link].bss->bssid :
17921 info->links[link].bssid;
17922
17923 nested_mlo_links = nla_nest_start(msg, i);
17924 if (!nested_mlo_links)
17925 goto nla_put_failure;
17926
17927 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
17928 (bssid &&
17929 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
17930 (info->links[link].addr &&
17931 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
17932 info->links[link].addr)))
17933 goto nla_put_failure;
17934
17935 nla_nest_end(msg, nested_mlo_links);
17936 i++;
17937 }
17938 nla_nest_end(msg, nested);
17939 }
17940
3b7b72ee 17941 genlmsg_end(msg, hdr);
b23aa676 17942
68eb5503 17943 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17944 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 17945 return;
17946
503c1fb9 17947 nla_put_failure:
503c1fb9
AS		 17948 nlmsg_free(msg);
17949}
17950
17951void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
0ff57171
VY		 17952 struct net_device *netdev, const u8 *bssid,
17953 const u8 *td_bitmap, u8 td_bitmap_len)
503c1fb9
AS		 17954{
17955 struct sk_buff *msg;
17956 void *hdr;
17957
17958 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17959 if (!msg)
17960 return;
17961
17962 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
17963 if (!hdr) {
17964 nlmsg_free(msg);
17965 return;
17966 }
17967
f4d75993
CHH		 17968 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17969 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17970 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
503c1fb9
AS		 17971 goto nla_put_failure;
17972
0ff57171
VY		 17973 if ((td_bitmap_len > 0) && td_bitmap)
17974 if (nla_put(msg, NL80211_ATTR_TD_BITMAP,
17975 td_bitmap_len, td_bitmap))
17976 goto nla_put_failure;
17977
503c1fb9
AS		 17978 genlmsg_end(msg, hdr);
17979
17980 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17981 NL80211_MCGRP_MLME, GFP_KERNEL);
17982 return;
17983
b23aa676 17984 nla_put_failure:
b23aa676 17985 nlmsg_free(msg);
b23aa676
SO		 17986}
17987
17988void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
17989 struct net_device *netdev, u16 reason,
667503dd 17990 const u8 *ie, size_t ie_len, bool from_ap)
b23aa676
SO		 17991{
17992 struct sk_buff *msg;
17993 void *hdr;
17994
4ef8c1c9 17995 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
b23aa676
SO		 17996 if (!msg)
17997 return;
17998
17999 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
18000 if (!hdr) {
18001 nlmsg_free(msg);
18002 return;
18003 }
18004
9360ffd1
DM		 18005 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18006 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
86b6c465 18007 (reason &&
9360ffd1
DM		 18008 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
18009 (from_ap &&
18010 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
18011 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
18012 goto nla_put_failure;
b23aa676 18013
3b7b72ee 18014 genlmsg_end(msg, hdr);
b23aa676 18015
68eb5503 18016 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18017 NL80211_MCGRP_MLME, GFP_KERNEL);
b23aa676
SO		 18018 return;
18019
18020 nla_put_failure:
b23aa676 18021 nlmsg_free(msg);
b23aa676
SO		 18022}
18023
04a773ad
JB		 18024void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
18025 struct net_device *netdev, const u8 *bssid,
18026 gfp_t gfp)
18027{
18028 struct sk_buff *msg;
18029 void *hdr;
18030
fd2120ca 18031 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
04a773ad
JB		 18032 if (!msg)
18033 return;
18034
18035 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
18036 if (!hdr) {
18037 nlmsg_free(msg);
18038 return;
18039 }
18040
9360ffd1
DM		 18041 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18042 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18043 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18044 goto nla_put_failure;
04a773ad 18045
3b7b72ee 18046 genlmsg_end(msg, hdr);
04a773ad 18047
68eb5503 18048 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18049 NL80211_MCGRP_MLME, gfp);
04a773ad
JB		 18050 return;
18051
18052 nla_put_failure:
04a773ad
JB		 18053 nlmsg_free(msg);
18054}
18055
947add36 18056void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
ecbc12ad
BC		 18057 const u8 *ie, u8 ie_len,
18058 int sig_dbm, gfp_t gfp)
c93b5e71 18059{
947add36 18060 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 18061 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
c93b5e71
JC		 18062 struct sk_buff *msg;
18063 void *hdr;
18064
947add36
JB		 18065 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
18066 return;
18067
18068 trace_cfg80211_notify_new_peer_candidate(dev, addr);
18069
4ef8c1c9 18070 msg = nlmsg_new(100 + ie_len, gfp);
c93b5e71
JC		 18071 if (!msg)
18072 return;
18073
18074 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
18075 if (!hdr) {
18076 nlmsg_free(msg);
18077 return;
18078 }
18079
9360ffd1 18080 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36
JB		 18081 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18082 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9360ffd1 18083 (ie_len && ie &&
ecbc12ad
BC		 18084 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
18085 (sig_dbm &&
18086 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
9360ffd1 18087 goto nla_put_failure;
c93b5e71 18088
3b7b72ee 18089 genlmsg_end(msg, hdr);
c93b5e71 18090
68eb5503 18091 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18092 NL80211_MCGRP_MLME, gfp);
c93b5e71
JC		 18093 return;
18094
18095 nla_put_failure:
c93b5e71
JC		 18096 nlmsg_free(msg);
18097}
947add36 18098EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
c93b5e71 18099
a3b8b056
JM		 18100void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
18101 struct net_device *netdev, const u8 *addr,
18102 enum nl80211_key_type key_type, int key_id,
e6d6e342 18103 const u8 *tsc, gfp_t gfp)
a3b8b056
JM		 18104{
18105 struct sk_buff *msg;
18106 void *hdr;
18107
e6d6e342 18108 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
a3b8b056
JM		 18109 if (!msg)
18110 return;
18111
18112 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
18113 if (!hdr) {
18114 nlmsg_free(msg);
18115 return;
18116 }
18117
9360ffd1
DM		 18118 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18119 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18120 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
18121 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
18122 (key_id != -1 &&
18123 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
18124 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
18125 goto nla_put_failure;
a3b8b056 18126
3b7b72ee 18127 genlmsg_end(msg, hdr);
a3b8b056 18128
68eb5503 18129 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18130 NL80211_MCGRP_MLME, gfp);
a3b8b056
JM		 18131 return;
18132
18133 nla_put_failure:
a3b8b056
JM		 18134 nlmsg_free(msg);
18135}
18136
6bad8766
LR		 18137void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
18138 struct ieee80211_channel *channel_before,
18139 struct ieee80211_channel *channel_after)
18140{
18141 struct sk_buff *msg;
18142 void *hdr;
18143 struct nlattr *nl_freq;
18144
fd2120ca 18145 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
6bad8766
LR		 18146 if (!msg)
18147 return;
18148
18149 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
18150 if (!hdr) {
18151 nlmsg_free(msg);
18152 return;
18153 }
18154
18155 /*
18156 * Since we are applying the beacon hint to a wiphy we know its
18157 * wiphy_idx is valid
18158 */
9360ffd1
DM		 18159 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
18160 goto nla_put_failure;
6bad8766
LR		 18161
18162 /* Before */
ae0be8de 18163 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
6bad8766
LR		 18164 if (!nl_freq)
18165 goto nla_put_failure;
50f32718
HD		 18166
18167 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
6bad8766
LR		 18168 goto nla_put_failure;
18169 nla_nest_end(msg, nl_freq);
18170
18171 /* After */
ae0be8de 18172 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
6bad8766
LR		 18173 if (!nl_freq)
18174 goto nla_put_failure;
50f32718
HD		 18175
18176 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
6bad8766
LR		 18177 goto nla_put_failure;
18178 nla_nest_end(msg, nl_freq);
18179
3b7b72ee 18180 genlmsg_end(msg, hdr);
6bad8766 18181
463d0183 18182 rcu_read_lock();
68eb5503 18183 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 18184 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
463d0183 18185 rcu_read_unlock();
6bad8766
LR		 18186
18187 return;
18188
18189nla_put_failure:
6bad8766
LR		 18190 nlmsg_free(msg);
18191}
18192
9588bbd5
JM		 18193static void nl80211_send_remain_on_chan_event(
18194 int cmd, struct cfg80211_registered_device *rdev,
71bbc994 18195 struct wireless_dev *wdev, u64 cookie,
9588bbd5 18196 struct ieee80211_channel *chan,
9588bbd5
JM		 18197 unsigned int duration, gfp_t gfp)
18198{
18199 struct sk_buff *msg;
18200 void *hdr;
18201
18202 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18203 if (!msg)
18204 return;
18205
18206 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18207 if (!hdr) {
18208 nlmsg_free(msg);
18209 return;
18210 }
18211
9360ffd1 18212 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 18213 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18214 wdev->netdev->ifindex)) ||
2dad624e
ND		 18215 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18216 NL80211_ATTR_PAD) ||
9360ffd1 18217 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
42d97a59
JB		 18218 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
18219 NL80211_CHAN_NO_HT) ||
2dad624e
ND		 18220 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
18221 NL80211_ATTR_PAD))
9360ffd1 18222 goto nla_put_failure;
9588bbd5 18223
9360ffd1
DM		 18224 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
18225 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
18226 goto nla_put_failure;
9588bbd5 18227
3b7b72ee 18228 genlmsg_end(msg, hdr);
9588bbd5 18229
68eb5503 18230 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18231 NL80211_MCGRP_MLME, gfp);
9588bbd5
JM		 18232 return;
18233
18234 nla_put_failure:
9588bbd5
JM		 18235 nlmsg_free(msg);
18236}
18237
a083ee8a 18238void cfg80211_assoc_comeback(struct net_device *netdev,
e69dac88 18239 const u8 *ap_addr, u32 timeout)
a083ee8a
IP		 18240{
18241 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18242 struct wiphy *wiphy = wdev->wiphy;
18243 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18244 struct sk_buff *msg;
18245 void *hdr;
18246
e69dac88 18247 trace_cfg80211_assoc_comeback(wdev, ap_addr, timeout);
a083ee8a
IP		 18248
18249 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18250 if (!msg)
18251 return;
18252
18253 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK);
18254 if (!hdr) {
18255 nlmsg_free(msg);
18256 return;
18257 }
18258
18259 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18260 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
e69dac88 18261 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ap_addr) ||
a083ee8a
IP		 18262 nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout))
18263 goto nla_put_failure;
18264
18265 genlmsg_end(msg, hdr);
18266
18267 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18268 NL80211_MCGRP_MLME, GFP_KERNEL);
18269 return;
18270
18271 nla_put_failure:
18272 nlmsg_free(msg);
18273}
18274EXPORT_SYMBOL(cfg80211_assoc_comeback);
18275
947add36
JB		 18276void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
18277 struct ieee80211_channel *chan,
18278 unsigned int duration, gfp_t gfp)
9588bbd5 18279{
947add36 18280 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18281 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 18282
18283 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9588bbd5 18284 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
71bbc994 18285 rdev, wdev, cookie, chan,
42d97a59 18286 duration, gfp);
9588bbd5 18287}
947add36 18288EXPORT_SYMBOL(cfg80211_ready_on_channel);
9588bbd5 18289
947add36
JB		 18290void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
18291 struct ieee80211_channel *chan,
18292 gfp_t gfp)
9588bbd5 18293{
947add36 18294 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18295 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 18296
18297 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9588bbd5 18298 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
42d97a59 18299 rdev, wdev, cookie, chan, 0, gfp);
9588bbd5 18300}
947add36 18301EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9588bbd5 18302
1c38c7f2
JP		 18303void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
18304 struct ieee80211_channel *chan,
18305 gfp_t gfp)
18306{
18307 struct wiphy *wiphy = wdev->wiphy;
18308 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18309
18310 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
18311 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
18312 rdev, wdev, cookie, chan, 0, gfp);
18313}
18314EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
18315
947add36
JB		 18316void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
18317 struct station_info *sinfo, gfp_t gfp)
98b62183 18318{
947add36 18319 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 18320 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
98b62183
JB		 18321 struct sk_buff *msg;
18322
947add36
JB		 18323 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
18324
58050fce 18325 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
98b62183
JB		 18326 if (!msg)
18327 return;
18328
cf5ead82 18329 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
66266b3a 18330 rdev, dev, mac_addr, sinfo) < 0) {
98b62183
JB		 18331 nlmsg_free(msg);
18332 return;
18333 }
18334
68eb5503 18335 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18336 NL80211_MCGRP_MLME, gfp);
98b62183 18337}
947add36 18338EXPORT_SYMBOL(cfg80211_new_sta);
98b62183 18339
cf5ead82
JB		 18340void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
18341 struct station_info *sinfo, gfp_t gfp)
ec15e68b 18342{
947add36 18343 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 18344 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ec15e68b 18345 struct sk_buff *msg;
73887fd9 18346 struct station_info empty_sinfo = {};
cf5ead82 18347
73887fd9
JB		 18348 if (!sinfo)
18349 sinfo = &empty_sinfo;
ec15e68b 18350
947add36
JB		 18351 trace_cfg80211_del_sta(dev, mac_addr);
18352
58050fce 18353 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7ea3e110
JB		 18354 if (!msg) {
18355 cfg80211_sinfo_release_content(sinfo);
73887fd9 18356 return;
7ea3e110 18357 }
ec15e68b 18358
cf5ead82 18359 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
57007121 18360 rdev, dev, mac_addr, sinfo) < 0) {
ec15e68b 18361 nlmsg_free(msg);
73887fd9 18362 return;
ec15e68b
JM		 18363 }
18364
68eb5503 18365 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18366 NL80211_MCGRP_MLME, gfp);
ec15e68b 18367}
cf5ead82 18368EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
ec15e68b 18369
947add36
JB		 18370void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
18371 enum nl80211_connect_failed_reason reason,
18372 gfp_t gfp)
ed44a951 18373{
947add36 18374 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 18375 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ed44a951
PP		 18376 struct sk_buff *msg;
18377 void *hdr;
18378
18379 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
18380 if (!msg)
18381 return;
18382
18383 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
18384 if (!hdr) {
18385 nlmsg_free(msg);
18386 return;
18387 }
18388
18389 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18390 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
18391 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
18392 goto nla_put_failure;
18393
18394 genlmsg_end(msg, hdr);
18395
68eb5503 18396 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18397 NL80211_MCGRP_MLME, gfp);
ed44a951
PP		 18398 return;
18399
18400 nla_put_failure:
ed44a951
PP		 18401 nlmsg_free(msg);
18402}
947add36 18403EXPORT_SYMBOL(cfg80211_conn_failed);
ed44a951 18404
b92ab5d8
JB		 18405static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
18406 const u8 *addr, gfp_t gfp)
28946da7
JB		 18407{
18408 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 18409 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
28946da7
JB		 18410 struct sk_buff *msg;
18411 void *hdr;
6aa7de05 18412 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
28946da7 18413
15e47304 18414 if (!nlportid)
28946da7
JB		 18415 return false;
18416
18417 msg = nlmsg_new(100, gfp);
18418 if (!msg)
18419 return true;
18420
b92ab5d8 18421 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
28946da7
JB		 18422 if (!hdr) {
18423 nlmsg_free(msg);
18424 return true;
18425 }
18426
9360ffd1
DM		 18427 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18428 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18429 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18430 goto nla_put_failure;
28946da7 18431
9c90a9f6 18432 genlmsg_end(msg, hdr);
15e47304 18433 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
28946da7
JB		 18434 return true;
18435
18436 nla_put_failure:
28946da7
JB		 18437 nlmsg_free(msg);
18438 return true;
18439}
18440
947add36
JB		 18441bool cfg80211_rx_spurious_frame(struct net_device *dev,
18442 const u8 *addr, gfp_t gfp)
b92ab5d8 18443{
947add36
JB		 18444 struct wireless_dev *wdev = dev->ieee80211_ptr;
18445 bool ret;
18446
18447 trace_cfg80211_rx_spurious_frame(dev, addr);
18448
18449 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18450 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
18451 trace_cfg80211_return_bool(false);
18452 return false;
18453 }
18454 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
18455 addr, gfp);
18456 trace_cfg80211_return_bool(ret);
18457 return ret;
b92ab5d8 18458}
947add36 18459EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
b92ab5d8 18460
947add36
JB		 18461bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
18462 const u8 *addr, gfp_t gfp)
b92ab5d8 18463{
947add36
JB		 18464 struct wireless_dev *wdev = dev->ieee80211_ptr;
18465 bool ret;
18466
18467 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
18468
18469 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18470 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
18471 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
18472 trace_cfg80211_return_bool(false);
18473 return false;
18474 }
18475 ret = __nl80211_unexpected_frame(dev,
18476 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
18477 addr, gfp);
18478 trace_cfg80211_return_bool(ret);
18479 return ret;
b92ab5d8 18480}
947add36 18481EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
b92ab5d8 18482
2e161f78 18483int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15e47304 18484 struct wireless_dev *wdev, u32 nlportid,
00b3d840 18485 struct cfg80211_rx_info *info, gfp_t gfp)
026331c4 18486{
71bbc994 18487 struct net_device *netdev = wdev->netdev;
026331c4
JM		 18488 struct sk_buff *msg;
18489 void *hdr;
026331c4 18490
00b3d840 18491 msg = nlmsg_new(100 + info->len, gfp);
026331c4
JM		 18492 if (!msg)
18493 return -ENOMEM;
18494
2e161f78 18495 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
026331c4
JM		 18496 if (!hdr) {
18497 nlmsg_free(msg);
18498 return -ENOMEM;
18499 }
18500
9360ffd1 18501 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 18502 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18503 netdev->ifindex)) ||
2dad624e
ND		 18504 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18505 NL80211_ATTR_PAD) ||
6074c9e5
JB		 18506 (info->have_link_id &&
18507 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, info->link_id)) ||
00b3d840
AS		 18508 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(info->freq)) ||
18509 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, info->freq % 1000) ||
18510 (info->sig_dbm &&
18511 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, info->sig_dbm)) ||
18512 nla_put(msg, NL80211_ATTR_FRAME, info->len, info->buf) ||
18513 (info->flags &&
1ff715ff
AS		 18514 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)) ||
18515 (info->rx_tstamp && nla_put_u64_64bit(msg,
18516 NL80211_ATTR_RX_HW_TIMESTAMP,
18517 info->rx_tstamp,
18518 NL80211_ATTR_PAD)) ||
18519 (info->ack_tstamp && nla_put_u64_64bit(msg,
18520 NL80211_ATTR_TX_HW_TIMESTAMP,
18521 info->ack_tstamp,
18522 NL80211_ATTR_PAD)))
9360ffd1 18523 goto nla_put_failure;
026331c4 18524
3b7b72ee 18525 genlmsg_end(msg, hdr);
026331c4 18526
15e47304 18527 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
026331c4
JM		 18528
18529 nla_put_failure:
026331c4
JM		 18530 nlmsg_free(msg);
18531 return -ENOBUFS;
18532}
18533
ea7d50c9
AS		 18534static void nl80211_frame_tx_status(struct wireless_dev *wdev,
18535 struct cfg80211_tx_status *status,
dca9ca2d 18536 gfp_t gfp, enum nl80211_commands command)
026331c4 18537{
947add36 18538 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18539 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
71bbc994 18540 struct net_device *netdev = wdev->netdev;
026331c4
JM		 18541 struct sk_buff *msg;
18542 void *hdr;
18543
dca9ca2d 18544 if (command == NL80211_CMD_FRAME_TX_STATUS)
ea7d50c9
AS		 18545 trace_cfg80211_mgmt_tx_status(wdev, status->cookie,
18546 status->ack);
dca9ca2d 18547 else
ea7d50c9
AS		 18548 trace_cfg80211_control_port_tx_status(wdev, status->cookie,
18549 status->ack);
947add36 18550
ea7d50c9 18551 msg = nlmsg_new(100 + status->len, gfp);
026331c4
JM		 18552 if (!msg)
18553 return;
18554
dca9ca2d 18555 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
026331c4
JM		 18556 if (!hdr) {
18557 nlmsg_free(msg);
18558 return;
18559 }
18560
9360ffd1 18561 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 18562 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18563 netdev->ifindex)) ||
2dad624e
ND		 18564 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18565 NL80211_ATTR_PAD) ||
ea7d50c9
AS		 18566 nla_put(msg, NL80211_ATTR_FRAME, status->len, status->buf) ||
18567 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, status->cookie,
2dad624e 18568 NL80211_ATTR_PAD) ||
ea7d50c9
AS		 18569 (status->ack && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
18570 (status->tx_tstamp &&
18571 nla_put_u64_64bit(msg, NL80211_ATTR_TX_HW_TIMESTAMP,
18572 status->tx_tstamp, NL80211_ATTR_PAD)) ||
18573 (status->ack_tstamp &&
18574 nla_put_u64_64bit(msg, NL80211_ATTR_RX_HW_TIMESTAMP,
18575 status->ack_tstamp, NL80211_ATTR_PAD)))
9360ffd1 18576 goto nla_put_failure;
026331c4 18577
3b7b72ee 18578 genlmsg_end(msg, hdr);
026331c4 18579
68eb5503 18580 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18581 NL80211_MCGRP_MLME, gfp);
026331c4
JM		 18582 return;
18583
dca9ca2d 18584nla_put_failure:
026331c4
JM		 18585 nlmsg_free(msg);
18586}
dca9ca2d
MT		 18587
18588void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
18589 const u8 *buf, size_t len, bool ack,
18590 gfp_t gfp)
18591{
ea7d50c9
AS		 18592 struct cfg80211_tx_status status = {
18593 .cookie = cookie,
18594 .buf = buf,
18595 .len = len,
18596 .ack = ack
18597 };
18598
18599 nl80211_frame_tx_status(wdev, &status, gfp,
dca9ca2d
MT		 18600 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
18601}
18602EXPORT_SYMBOL(cfg80211_control_port_tx_status);
18603
ea7d50c9
AS		 18604void cfg80211_mgmt_tx_status_ext(struct wireless_dev *wdev,
18605 struct cfg80211_tx_status *status, gfp_t gfp)
dca9ca2d 18606{
ea7d50c9 18607 nl80211_frame_tx_status(wdev, status, gfp, NL80211_CMD_FRAME_TX_STATUS);
dca9ca2d 18608}
ea7d50c9 18609EXPORT_SYMBOL(cfg80211_mgmt_tx_status_ext);
026331c4 18610
6a671a50 18611static int __nl80211_rx_control_port(struct net_device *dev,
a948f713 18612 struct sk_buff *skb,
6a671a50
DK		 18613 bool unencrypted, gfp_t gfp)
18614{
18615 struct wireless_dev *wdev = dev->ieee80211_ptr;
18616 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
a948f713 18617 struct ethhdr *ehdr = eth_hdr(skb);
8d74a623 18618 const u8 *addr = ehdr->h_source;
a948f713 18619 u16 proto = be16_to_cpu(skb->protocol);
6a671a50
DK		 18620 struct sk_buff *msg;
18621 void *hdr;
a948f713
DK		 18622 struct nlattr *frame;
18623
6a671a50
DK		 18624 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
18625
18626 if (!nlportid)
18627 return -ENOENT;
18628
a948f713 18629 msg = nlmsg_new(100 + skb->len, gfp);
6a671a50
DK		 18630 if (!msg)
18631 return -ENOMEM;
18632
18633 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
18634 if (!hdr) {
18635 nlmsg_free(msg);
18636 return -ENOBUFS;
18637 }
18638
18639 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18640 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18641 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18642 NL80211_ATTR_PAD) ||
8d74a623 18643 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6a671a50
DK		 18644 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
18645 (unencrypted && nla_put_flag(msg,
18646 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
18647 goto nla_put_failure;
18648
a948f713
DK		 18649 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
18650 if (!frame)
18651 goto nla_put_failure;
18652
18653 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
6a671a50
DK		 18654 genlmsg_end(msg, hdr);
18655
18656 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18657
18658 nla_put_failure:
18659 nlmsg_free(msg);
18660 return -ENOBUFS;
18661}
18662
18663bool cfg80211_rx_control_port(struct net_device *dev,
a948f713 18664 struct sk_buff *skb, bool unencrypted)
6a671a50
DK		 18665{
18666 int ret;
18667
a948f713
DK		 18668 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
18669 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
6a671a50
DK		 18670 trace_cfg80211_return_bool(ret == 0);
18671 return ret == 0;
18672}
18673EXPORT_SYMBOL(cfg80211_rx_control_port);
18674
5b97f49d
JB		 18675static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
18676 const char *mac, gfp_t gfp)
d6dc1a38 18677{
947add36 18678 struct wireless_dev *wdev = dev->ieee80211_ptr;
5b97f49d
JB		 18679 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18680 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18681 void **cb;
947add36 18682
d6dc1a38 18683 if (!msg)
5b97f49d 18684 return NULL;
d6dc1a38 18685
5b97f49d
JB		 18686 cb = (void **)msg->cb;
18687
18688 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
18689 if (!cb[0]) {
d6dc1a38 18690 nlmsg_free(msg);
5b97f49d 18691 return NULL;
d6dc1a38
JO		 18692 }
18693
9360ffd1 18694 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36 18695 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9360ffd1 18696 goto nla_put_failure;
d6dc1a38 18697
5b97f49d 18698 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
d6dc1a38
JO		 18699 goto nla_put_failure;
18700
ae0be8de 18701 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
5b97f49d 18702 if (!cb[1])
9360ffd1 18703 goto nla_put_failure;
d6dc1a38 18704
5b97f49d 18705 cb[2] = rdev;
d6dc1a38 18706
5b97f49d
JB		 18707 return msg;
18708 nla_put_failure:
18709 nlmsg_free(msg);
18710 return NULL;
18711}
18712
18713static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
18714{
18715 void **cb = (void **)msg->cb;
18716 struct cfg80211_registered_device *rdev = cb[2];
18717
18718 nla_nest_end(msg, cb[1]);
18719 genlmsg_end(msg, cb[0]);
18720
18721 memset(msg->cb, 0, sizeof(msg->cb));
d6dc1a38 18722
68eb5503 18723 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18724 NL80211_MCGRP_MLME, gfp);
5b97f49d
JB		 18725}
18726
18727void cfg80211_cqm_rssi_notify(struct net_device *dev,
18728 enum nl80211_cqm_rssi_threshold_event rssi_event,
bee427b8 18729 s32 rssi_level, gfp_t gfp)
5b97f49d
JB		 18730{
18731 struct sk_buff *msg;
4a4b8169
AZ		 18732 struct wireless_dev *wdev = dev->ieee80211_ptr;
18733 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
5b97f49d 18734
bee427b8 18735 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
5b97f49d 18736
98f03342
JB		 18737 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
18738 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
18739 return;
18740
4a4b8169
AZ		 18741 if (wdev->cqm_config) {
18742 wdev->cqm_config->last_rssi_event_value = rssi_level;
18743
18744 cfg80211_cqm_rssi_update(rdev, dev);
18745
18746 if (rssi_level == 0)
18747 rssi_level = wdev->cqm_config->last_rssi_event_value;
18748 }
18749
5b97f49d
JB		 18750 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
18751 if (!msg)
18752 return;
18753
18754 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
18755 rssi_event))
18756 goto nla_put_failure;
18757
bee427b8
AZ		 18758 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
18759 rssi_level))
18760 goto nla_put_failure;
18761
5b97f49d
JB		 18762 cfg80211_send_cqm(msg, gfp);
18763
d6dc1a38
JO		 18764 return;
18765
18766 nla_put_failure:
d6dc1a38
JO		 18767 nlmsg_free(msg);
18768}
947add36 18769EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
d6dc1a38 18770
5b97f49d
JB		 18771void cfg80211_cqm_txe_notify(struct net_device *dev,
18772 const u8 *peer, u32 num_packets,
18773 u32 rate, u32 intvl, gfp_t gfp)
18774{
18775 struct sk_buff *msg;
18776
18777 msg = cfg80211_prepare_cqm(dev, peer, gfp);
18778 if (!msg)
18779 return;
18780
18781 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
18782 goto nla_put_failure;
18783
18784 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
18785 goto nla_put_failure;
18786
18787 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
18788 goto nla_put_failure;
18789
18790 cfg80211_send_cqm(msg, gfp);
18791 return;
18792
18793 nla_put_failure:
18794 nlmsg_free(msg);
18795}
18796EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
18797
18798void cfg80211_cqm_pktloss_notify(struct net_device *dev,
18799 const u8 *peer, u32 num_packets, gfp_t gfp)
18800{
18801 struct sk_buff *msg;
18802
18803 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
18804
18805 msg = cfg80211_prepare_cqm(dev, peer, gfp);
18806 if (!msg)
18807 return;
18808
18809 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
18810 goto nla_put_failure;
18811
18812 cfg80211_send_cqm(msg, gfp);
18813 return;
18814
18815 nla_put_failure:
18816 nlmsg_free(msg);
18817}
18818EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
18819
98f03342
JB		 18820void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
18821{
18822 struct sk_buff *msg;
18823
18824 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
18825 if (!msg)
18826 return;
18827
18828 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
18829 goto nla_put_failure;
18830
18831 cfg80211_send_cqm(msg, gfp);
18832 return;
18833
18834 nla_put_failure:
18835 nlmsg_free(msg);
18836}
18837EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
18838
947add36
JB		 18839static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
18840 struct net_device *netdev, const u8 *bssid,
18841 const u8 *replay_ctr, gfp_t gfp)
e5497d76
JB		 18842{
18843 struct sk_buff *msg;
18844 struct nlattr *rekey_attr;
18845 void *hdr;
18846
58050fce 18847 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
e5497d76
JB		 18848 if (!msg)
18849 return;
18850
18851 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
18852 if (!hdr) {
18853 nlmsg_free(msg);
18854 return;
18855 }
18856
9360ffd1
DM		 18857 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18858 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18859 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18860 goto nla_put_failure;
e5497d76 18861
ae0be8de 18862 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
e5497d76
JB		 18863 if (!rekey_attr)
18864 goto nla_put_failure;
18865
9360ffd1
DM		 18866 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
18867 NL80211_REPLAY_CTR_LEN, replay_ctr))
18868 goto nla_put_failure;
e5497d76
JB		 18869
18870 nla_nest_end(msg, rekey_attr);
18871
3b7b72ee 18872 genlmsg_end(msg, hdr);
e5497d76 18873
68eb5503 18874 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18875 NL80211_MCGRP_MLME, gfp);
e5497d76
JB		 18876 return;
18877
18878 nla_put_failure:
e5497d76
JB		 18879 nlmsg_free(msg);
18880}
18881
947add36
JB		 18882void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
18883 const u8 *replay_ctr, gfp_t gfp)
18884{
18885 struct wireless_dev *wdev = dev->ieee80211_ptr;
18886 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18887 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 18888
18889 trace_cfg80211_gtk_rekey_notify(dev, bssid);
18890 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
18891}
18892EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
18893
18894static void
18895nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
18896 struct net_device *netdev, int index,
18897 const u8 *bssid, bool preauth, gfp_t gfp)
c9df56b4
JM		 18898{
18899 struct sk_buff *msg;
18900 struct nlattr *attr;
18901 void *hdr;
18902
58050fce 18903 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
c9df56b4
JM		 18904 if (!msg)
18905 return;
18906
18907 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
18908 if (!hdr) {
18909 nlmsg_free(msg);
18910 return;
18911 }
18912
9360ffd1
DM		 18913 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18914 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
18915 goto nla_put_failure;
c9df56b4 18916
ae0be8de 18917 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
c9df56b4
JM		 18918 if (!attr)
18919 goto nla_put_failure;
18920
9360ffd1
DM		 18921 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
18922 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
18923 (preauth &&
18924 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
18925 goto nla_put_failure;
c9df56b4
JM		 18926
18927 nla_nest_end(msg, attr);
18928
3b7b72ee 18929 genlmsg_end(msg, hdr);
c9df56b4 18930
68eb5503 18931 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18932 NL80211_MCGRP_MLME, gfp);
c9df56b4
JM		 18933 return;
18934
18935 nla_put_failure:
c9df56b4
JM		 18936 nlmsg_free(msg);
18937}
18938
947add36
JB		 18939void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
18940 const u8 *bssid, bool preauth, gfp_t gfp)
18941{
18942 struct wireless_dev *wdev = dev->ieee80211_ptr;
18943 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 18944 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 18945
18946 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
18947 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
18948}
18949EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
18950
18951static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
18952 struct net_device *netdev,
b8c9024e 18953 unsigned int link_id,
947add36 18954 struct cfg80211_chan_def *chandef,
f8d7552e
LC		 18955 gfp_t gfp,
18956 enum nl80211_commands notif,
669b8413 18957 u8 count, bool quiet)
5314526b 18958{
b8c9024e 18959 struct wireless_dev *wdev = netdev->ieee80211_ptr;
5314526b
TP		 18960 struct sk_buff *msg;
18961 void *hdr;
18962
58050fce 18963 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
5314526b
TP		 18964 if (!msg)
18965 return;
18966
f8d7552e 18967 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
5314526b
TP		 18968 if (!hdr) {
18969 nlmsg_free(msg);
18970 return;
18971 }
18972
683b6d3b
JB		 18973 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
18974 goto nla_put_failure;
18975
b8c9024e
VJ		 18976 if (wdev->valid_links &&
18977 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
18978 goto nla_put_failure;
18979
683b6d3b 18980 if (nl80211_send_chandef(msg, chandef))
7eab0f64 18981 goto nla_put_failure;
5314526b 18982
669b8413
JB		 18983 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
18984 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
f8d7552e 18985 goto nla_put_failure;
669b8413
JB		 18986 if (quiet &&
18987 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
f8d7552e 18988 goto nla_put_failure;
669b8413 18989 }
f8d7552e 18990
5314526b
TP		 18991 genlmsg_end(msg, hdr);
18992
68eb5503 18993 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 18994 NL80211_MCGRP_MLME, gfp);
5314526b
TP		 18995 return;
18996
18997 nla_put_failure:
5314526b
TP		 18998 nlmsg_free(msg);
18999}
19000
947add36 19001void cfg80211_ch_switch_notify(struct net_device *dev,
7b0a0e3c
JB		 19002 struct cfg80211_chan_def *chandef,
19003 unsigned int link_id)
84f10708 19004{
947add36
JB		 19005 struct wireless_dev *wdev = dev->ieee80211_ptr;
19006 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 19007 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36 19008
e487eaeb 19009 ASSERT_WDEV_LOCK(wdev);
7b0a0e3c 19010 WARN_INVALID_LINK_ID(wdev, link_id);
947add36 19011
7b0a0e3c 19012 trace_cfg80211_ch_switch_notify(dev, chandef, link_id);
5dc8cdce 19013
7b0a0e3c
JB		 19014 switch (wdev->iftype) {
19015 case NL80211_IFTYPE_STATION:
19016 case NL80211_IFTYPE_P2P_CLIENT:
19017 if (!WARN_ON(!wdev->links[link_id].client.current_bss))
19018 cfg80211_update_assoc_bss_entry(wdev, link_id,
19019 chandef->chan);
19020 break;
19021 case NL80211_IFTYPE_MESH_POINT:
19022 wdev->u.mesh.chandef = *chandef;
19023 wdev->u.mesh.preset_chandef = *chandef;
19024 break;
19025 case NL80211_IFTYPE_AP:
19026 case NL80211_IFTYPE_P2P_GO:
19027 wdev->links[link_id].ap.chandef = *chandef;
19028 break;
77e7b6ba
JB		 19029 case NL80211_IFTYPE_ADHOC:
19030 wdev->u.ibss.chandef = *chandef;
19031 break;
7b0a0e3c
JB		 19032 default:
19033 WARN_ON(1);
19034 break;
19035 }
5dc8cdce 19036
d34990bb
MV		 19037 cfg80211_sched_dfs_chan_update(rdev);
19038
b8c9024e 19039 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
669b8413 19040 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
947add36
JB		 19041}
19042EXPORT_SYMBOL(cfg80211_ch_switch_notify);
19043
f8d7552e
LC		 19044void cfg80211_ch_switch_started_notify(struct net_device *dev,
19045 struct cfg80211_chan_def *chandef,
b8c9024e
VJ		 19046 unsigned int link_id, u8 count,
19047 bool quiet)
f8d7552e
LC		 19048{
19049 struct wireless_dev *wdev = dev->ieee80211_ptr;
19050 struct wiphy *wiphy = wdev->wiphy;
19051 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19052
b8c9024e
VJ		 19053 ASSERT_WDEV_LOCK(wdev);
19054 WARN_INVALID_LINK_ID(wdev, link_id);
19055
19056 trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id);
f8d7552e 19057
b8c9024e 19058 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
669b8413
JB		 19059 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
19060 count, quiet);
f8d7552e
LC		 19061}
19062EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
19063
0d2ab3ae
JC		 19064int cfg80211_bss_color_notify(struct net_device *dev, gfp_t gfp,
19065 enum nl80211_commands cmd, u8 count,
19066 u64 color_bitmap)
19067{
19068 struct wireless_dev *wdev = dev->ieee80211_ptr;
19069 struct wiphy *wiphy = wdev->wiphy;
19070 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19071 struct sk_buff *msg;
19072 void *hdr;
19073
19074 ASSERT_WDEV_LOCK(wdev);
19075
19076 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
19077
19078 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19079 if (!msg)
19080 return -ENOMEM;
19081
19082 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
19083 if (!hdr)
19084 goto nla_put_failure;
19085
19086 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19087 goto nla_put_failure;
19088
19089 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
19090 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
19091 goto nla_put_failure;
19092
19093 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
19094 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
19095 color_bitmap, NL80211_ATTR_PAD))
19096 goto nla_put_failure;
19097
19098 genlmsg_end(msg, hdr);
19099
19100 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
19101 msg, 0, NL80211_MCGRP_MLME, gfp);
19102
19103nla_put_failure:
19104 nlmsg_free(msg);
19105 return -EINVAL;
19106}
19107EXPORT_SYMBOL(cfg80211_bss_color_notify);
19108
04f39047
SW		 19109void
19110nl80211_radar_notify(struct cfg80211_registered_device *rdev,
d2859df5 19111 const struct cfg80211_chan_def *chandef,
04f39047
SW		 19112 enum nl80211_radar_event event,
19113 struct net_device *netdev, gfp_t gfp)
19114{
19115 struct sk_buff *msg;
19116 void *hdr;
19117
19118 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19119 if (!msg)
19120 return;
19121
19122 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
19123 if (!hdr) {
19124 nlmsg_free(msg);
19125 return;
19126 }
19127
19128 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19129 goto nla_put_failure;
19130
19131 /* NOP and radar events don't need a netdev parameter */
19132 if (netdev) {
19133 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19134
19135 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
2dad624e
ND		 19136 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19137 NL80211_ATTR_PAD))
04f39047
SW		 19138 goto nla_put_failure;
19139 }
19140
19141 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
19142 goto nla_put_failure;
19143
19144 if (nl80211_send_chandef(msg, chandef))
19145 goto nla_put_failure;
19146
9c90a9f6 19147 genlmsg_end(msg, hdr);
04f39047 19148
68eb5503 19149 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19150 NL80211_MCGRP_MLME, gfp);
04f39047
SW		 19151 return;
19152
19153 nla_put_failure:
04f39047
SW		 19154 nlmsg_free(msg);
19155}
19156
466b9936 19157void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
19158 struct sta_opmode_info *sta_opmode,
19159 gfp_t gfp)
19160{
19161 struct sk_buff *msg;
19162 struct wireless_dev *wdev = dev->ieee80211_ptr;
19163 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19164 void *hdr;
19165
19166 if (WARN_ON(!mac))
19167 return;
19168
19169 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19170 if (!msg)
19171 return;
19172
19173 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
19174 if (!hdr) {
19175 nlmsg_free(msg);
19176 return;
19177 }
19178
19179 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19180 goto nla_put_failure;
19181
19182 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19183 goto nla_put_failure;
19184
19185 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19186 goto nla_put_failure;
19187
19188 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
19189 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
19190 goto nla_put_failure;
19191
19192 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
0016d320 19193 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
466b9936 19194 goto nla_put_failure;
19195
19196 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
19197 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
19198 goto nla_put_failure;
19199
19200 genlmsg_end(msg, hdr);
19201
19202 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19203 NL80211_MCGRP_MLME, gfp);
19204
19205 return;
19206
19207nla_put_failure:
19208 nlmsg_free(msg);
19209}
19210EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
19211
7f6cf311 19212void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
c4b50cd3
VN		 19213 u64 cookie, bool acked, s32 ack_signal,
19214 bool is_valid_ack_signal, gfp_t gfp)
7f6cf311
JB		 19215{
19216 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 19217 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
7f6cf311
JB		 19218 struct sk_buff *msg;
19219 void *hdr;
7f6cf311 19220
4ee3e063
BL		 19221 trace_cfg80211_probe_status(dev, addr, cookie, acked);
19222
58050fce 19223 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
4ee3e063 19224
7f6cf311
JB		 19225 if (!msg)
19226 return;
19227
19228 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
19229 if (!hdr) {
19230 nlmsg_free(msg);
19231 return;
19232 }
19233
9360ffd1
DM		 19234 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19235 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19236 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2dad624e
ND		 19237 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
19238 NL80211_ATTR_PAD) ||
c4b50cd3
VN		 19239 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
19240 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
19241 ack_signal)))
9360ffd1 19242 goto nla_put_failure;
7f6cf311 19243
9c90a9f6 19244 genlmsg_end(msg, hdr);
7f6cf311 19245
68eb5503 19246 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19247 NL80211_MCGRP_MLME, gfp);
7f6cf311
JB		 19248 return;
19249
19250 nla_put_failure:
7f6cf311
JB		 19251 nlmsg_free(msg);
19252}
19253EXPORT_SYMBOL(cfg80211_probe_status);
19254
e76fede8
TP		 19255void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
19256 size_t len, int freq, int sig_dbm)
5e760230 19257{
f26cbf40 19258 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5e760230
JB		 19259 struct sk_buff *msg;
19260 void *hdr;
37c73b5f 19261 struct cfg80211_beacon_registration *reg;
5e760230 19262
4ee3e063
BL		 19263 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
19264
37c73b5f
BG		 19265 spin_lock_bh(&rdev->beacon_registrations_lock);
19266 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
19267 msg = nlmsg_new(len + 100, GFP_ATOMIC);
19268 if (!msg) {
19269 spin_unlock_bh(&rdev->beacon_registrations_lock);
19270 return;
19271 }
5e760230 19272
37c73b5f
BG		 19273 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
19274 if (!hdr)
19275 goto nla_put_failure;
5e760230 19276
37c73b5f
BG		 19277 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19278 (freq &&
942ba88b
TP		 19279 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
19280 KHZ_TO_MHZ(freq)) ||
19281 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
19282 freq % 1000))) ||
37c73b5f
BG		 19283 (sig_dbm &&
19284 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19285 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
19286 goto nla_put_failure;
5e760230 19287
37c73b5f 19288 genlmsg_end(msg, hdr);
5e760230 19289
37c73b5f
BG		 19290 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
19291 }
19292 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 19293 return;
19294
19295 nla_put_failure:
37c73b5f 19296 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 19297 nlmsg_free(msg);
19298}
e76fede8 19299EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
5e760230 19300
cd8f7cb4 19301#ifdef CONFIG_PM
8cd4d456
LC		 19302static int cfg80211_net_detect_results(struct sk_buff *msg,
19303 struct cfg80211_wowlan_wakeup *wakeup)
19304{
19305 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
19306 struct nlattr *nl_results, *nl_match, *nl_freqs;
19307 int i, j;
19308
ae0be8de
MK		 19309 nl_results = nla_nest_start_noflag(msg,
19310 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
8cd4d456
LC		 19311 if (!nl_results)
19312 return -EMSGSIZE;
19313
19314 for (i = 0; i < nd->n_matches; i++) {
19315 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
19316
ae0be8de 19317 nl_match = nla_nest_start_noflag(msg, i);
8cd4d456
LC		 19318 if (!nl_match)
19319 break;
19320
19321 /* The SSID attribute is optional in nl80211, but for
19322 * simplicity reasons it's always present in the
19323 * cfg80211 structure. If a driver can't pass the
19324 * SSID, that needs to be changed. A zero length SSID
19325 * is still a valid SSID (wildcard), so it cannot be
19326 * used for this purpose.
19327 */
19328 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
19329 match->ssid.ssid)) {
19330 nla_nest_cancel(msg, nl_match);
19331 goto out;
19332 }
19333
19334 if (match->n_channels) {
ae0be8de
MK		 19335 nl_freqs = nla_nest_start_noflag(msg,
19336 NL80211_ATTR_SCAN_FREQUENCIES);
8cd4d456
LC		 19337 if (!nl_freqs) {
19338 nla_nest_cancel(msg, nl_match);
19339 goto out;
19340 }
19341
19342 for (j = 0; j < match->n_channels; j++) {
5528fae8 19343 if (nla_put_u32(msg, j, match->channels[j])) {
8cd4d456
LC		 19344 nla_nest_cancel(msg, nl_freqs);
19345 nla_nest_cancel(msg, nl_match);
19346 goto out;
19347 }
19348 }
19349
19350 nla_nest_end(msg, nl_freqs);
19351 }
19352
19353 nla_nest_end(msg, nl_match);
19354 }
19355
19356out:
19357 nla_nest_end(msg, nl_results);
19358 return 0;
19359}
19360
cd8f7cb4
JB		 19361void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
19362 struct cfg80211_wowlan_wakeup *wakeup,
19363 gfp_t gfp)
19364{
f26cbf40 19365 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
cd8f7cb4
JB		 19366 struct sk_buff *msg;
19367 void *hdr;
9c90a9f6 19368 int size = 200;
cd8f7cb4
JB		 19369
19370 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
19371
19372 if (wakeup)
19373 size += wakeup->packet_present_len;
19374
19375 msg = nlmsg_new(size, gfp);
19376 if (!msg)
19377 return;
19378
19379 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
19380 if (!hdr)
19381 goto free_msg;
19382
19383 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 19384 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19385 NL80211_ATTR_PAD))
cd8f7cb4
JB		 19386 goto free_msg;
19387
19388 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
19389 wdev->netdev->ifindex))
19390 goto free_msg;
19391
19392 if (wakeup) {
19393 struct nlattr *reasons;
19394
ae0be8de
MK		 19395 reasons = nla_nest_start_noflag(msg,
19396 NL80211_ATTR_WOWLAN_TRIGGERS);
7fa322c8
JB		 19397 if (!reasons)
19398 goto free_msg;
cd8f7cb4
JB		 19399
19400 if (wakeup->disconnect &&
19401 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
19402 goto free_msg;
19403 if (wakeup->magic_pkt &&
19404 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
19405 goto free_msg;
19406 if (wakeup->gtk_rekey_failure &&
19407 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
19408 goto free_msg;
19409 if (wakeup->eap_identity_req &&
19410 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
19411 goto free_msg;
19412 if (wakeup->four_way_handshake &&
19413 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
19414 goto free_msg;
19415 if (wakeup->rfkill_release &&
19416 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
19417 goto free_msg;
19418
19419 if (wakeup->pattern_idx >= 0 &&
19420 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
19421 wakeup->pattern_idx))
19422 goto free_msg;
19423
ae917c9f
JB		 19424 if (wakeup->tcp_match &&
19425 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
19426 goto free_msg;
2a0e047e 19427
ae917c9f
JB		 19428 if (wakeup->tcp_connlost &&
19429 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
19430 goto free_msg;
2a0e047e 19431
ae917c9f
JB		 19432 if (wakeup->tcp_nomoretokens &&
19433 nla_put_flag(msg,
19434 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
19435 goto free_msg;
2a0e047e 19436
cd8f7cb4
JB		 19437 if (wakeup->packet) {
19438 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
19439 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
19440
19441 if (!wakeup->packet_80211) {
19442 pkt_attr =
19443 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
19444 len_attr =
19445 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
19446 }
19447
19448 if (wakeup->packet_len &&
19449 nla_put_u32(msg, len_attr, wakeup->packet_len))
19450 goto free_msg;
19451
19452 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
19453 wakeup->packet))
19454 goto free_msg;
19455 }
19456
8cd4d456
LC		 19457 if (wakeup->net_detect &&
19458 cfg80211_net_detect_results(msg, wakeup))
19459 goto free_msg;
19460
cd8f7cb4
JB		 19461 nla_nest_end(msg, reasons);
19462 }
19463
9c90a9f6 19464 genlmsg_end(msg, hdr);
cd8f7cb4 19465
68eb5503 19466 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19467 NL80211_MCGRP_MLME, gfp);
cd8f7cb4
JB		 19468 return;
19469
19470 free_msg:
19471 nlmsg_free(msg);
19472}
19473EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
19474#endif
19475
3475b094
JM		 19476void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
19477 enum nl80211_tdls_operation oper,
19478 u16 reason_code, gfp_t gfp)
19479{
19480 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 19481 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
3475b094
JM		 19482 struct sk_buff *msg;
19483 void *hdr;
3475b094
JM		 19484
19485 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
19486 reason_code);
19487
19488 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19489 if (!msg)
19490 return;
19491
19492 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
19493 if (!hdr) {
19494 nlmsg_free(msg);
19495 return;
19496 }
19497
19498 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19499 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19500 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
19501 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
19502 (reason_code > 0 &&
19503 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
19504 goto nla_put_failure;
19505
9c90a9f6 19506 genlmsg_end(msg, hdr);
3475b094 19507
68eb5503 19508 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19509 NL80211_MCGRP_MLME, gfp);
3475b094
JM		 19510 return;
19511
19512 nla_put_failure:
3475b094
JM		 19513 nlmsg_free(msg);
19514}
19515EXPORT_SYMBOL(cfg80211_tdls_oper_request);
19516
026331c4
JM		 19517static int nl80211_netlink_notify(struct notifier_block * nb,
19518 unsigned long state,
19519 void *_notify)
19520{
19521 struct netlink_notify *notify = _notify;
19522 struct cfg80211_registered_device *rdev;
19523 struct wireless_dev *wdev;
37c73b5f 19524 struct cfg80211_beacon_registration *reg, *tmp;
026331c4 19525
8f815cdd 19526 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
026331c4
JM		 19527 return NOTIFY_DONE;
19528
19529 rcu_read_lock();
19530
5e760230 19531 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ca986ad9 19532 struct cfg80211_sched_scan_request *sched_scan_req;
753aacfd 19533
ca986ad9
AVS		 19534 list_for_each_entry_rcu(sched_scan_req,
19535 &rdev->sched_scan_req_list,
19536 list) {
19537 if (sched_scan_req->owner_nlportid == notify->portid) {
19538 sched_scan_req->nl_owner_dead = true;
753aacfd 19539 schedule_work(&rdev->sched_scan_stop_wk);
ca986ad9 19540 }
753aacfd 19541 }
78f22b6a 19542
53873f13 19543 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
15e47304 19544 cfg80211_mlme_unregister_socket(wdev, notify->portid);
37c73b5f 19545
ab81007a
JB		 19546 if (wdev->owner_nlportid == notify->portid) {
19547 wdev->nl_owner_dead = true;
19548 schedule_work(&rdev->destroy_work);
19549 } else if (wdev->conn_owner_nlportid == notify->portid) {
bd2522b1 19550 schedule_work(&wdev->disconnect_wk);
ab81007a 19551 }
9bb7e0f2
JB		 19552
19553 cfg80211_release_pmsr(wdev, notify->portid);
78f22b6a
JB		 19554 }
19555
37c73b5f
BG		 19556 spin_lock_bh(&rdev->beacon_registrations_lock);
19557 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
19558 list) {
19559 if (reg->nlportid == notify->portid) {
19560 list_del(&reg->list);
19561 kfree(reg);
19562 break;
19563 }
19564 }
19565 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230 19566 }
026331c4
JM		 19567
19568 rcu_read_unlock();
19569
05050753
I		 19570 /*
19571 * It is possible that the user space process that is controlling the
19572 * indoor setting disappeared, so notify the regulatory core.
19573 */
19574 regulatory_netlink_notify(notify->portid);
6784c7db 19575 return NOTIFY_OK;
026331c4
JM		 19576}
19577
19578static struct notifier_block nl80211_netlink_notifier = {
19579 .notifier_call = nl80211_netlink_notify,
19580};
19581
355199e0
JM		 19582void cfg80211_ft_event(struct net_device *netdev,
19583 struct cfg80211_ft_event_params *ft_event)
19584{
19585 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
f26cbf40 19586 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355199e0
JM		 19587 struct sk_buff *msg;
19588 void *hdr;
355199e0
JM		 19589
19590 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
19591
19592 if (!ft_event->target_ap)
19593 return;
19594
1039d081
DL		 19595 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
19596 GFP_KERNEL);
355199e0
JM		 19597 if (!msg)
19598 return;
19599
19600 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
ae917c9f
JB		 19601 if (!hdr)
19602 goto out;
355199e0 19603
ae917c9f
JB		 19604 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19605 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19606 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
19607 goto out;
355199e0 19608
ae917c9f
JB		 19609 if (ft_event->ies &&
19610 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
19611 goto out;
19612 if (ft_event->ric_ies &&
19613 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
19614 ft_event->ric_ies))
19615 goto out;
355199e0 19616
9c90a9f6 19617 genlmsg_end(msg, hdr);
355199e0 19618
68eb5503 19619 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 19620 NL80211_MCGRP_MLME, GFP_KERNEL);
ae917c9f
JB		 19621 return;
19622 out:
19623 nlmsg_free(msg);
355199e0
JM		 19624}
19625EXPORT_SYMBOL(cfg80211_ft_event);
19626
5de17984
AS		 19627void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
19628{
19629 struct cfg80211_registered_device *rdev;
19630 struct sk_buff *msg;
19631 void *hdr;
19632 u32 nlportid;
19633
f26cbf40 19634 rdev = wiphy_to_rdev(wdev->wiphy);
5de17984
AS		 19635 if (!rdev->crit_proto_nlportid)
19636 return;
19637
19638 nlportid = rdev->crit_proto_nlportid;
19639 rdev->crit_proto_nlportid = 0;
19640
19641 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19642 if (!msg)
19643 return;
19644
19645 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
19646 if (!hdr)
19647 goto nla_put_failure;
19648
19649 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 19650 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19651 NL80211_ATTR_PAD))
5de17984
AS		 19652 goto nla_put_failure;
19653
19654 genlmsg_end(msg, hdr);
19655
19656 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
19657 return;
19658
19659 nla_put_failure:
5de17984 19660 nlmsg_free(msg);
5de17984
AS		 19661}
19662EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
19663
348baf0e
JB		 19664void nl80211_send_ap_stopped(struct wireless_dev *wdev)
19665{
19666 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 19667 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
348baf0e
JB		 19668 struct sk_buff *msg;
19669 void *hdr;
19670
19671 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
19672 if (!msg)
19673 return;
19674
19675 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
19676 if (!hdr)
19677 goto out;
19678
19679 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19680 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
2dad624e
ND		 19681 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19682 NL80211_ATTR_PAD))
348baf0e
JB		 19683 goto out;
19684
19685 genlmsg_end(msg, hdr);
19686
19687 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
19688 NL80211_MCGRP_MLME, GFP_KERNEL);
19689 return;
19690 out:
19691 nlmsg_free(msg);
19692}
19693
40cbfa90
SD		 19694int cfg80211_external_auth_request(struct net_device *dev,
19695 struct cfg80211_external_auth_params *params,
19696 gfp_t gfp)
19697{
19698 struct wireless_dev *wdev = dev->ieee80211_ptr;
19699 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19700 struct sk_buff *msg;
19701 void *hdr;
19702
19703 if (!wdev->conn_owner_nlportid)
19704 return -EINVAL;
19705
19706 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19707 if (!msg)
19708 return -ENOMEM;
19709
19710 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
19711 if (!hdr)
19712 goto nla_put_failure;
19713
19714 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19715 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19716 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
19717 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
19718 params->action) ||
19719 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
19720 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
19721 params->ssid.ssid))
19722 goto nla_put_failure;
19723
19724 genlmsg_end(msg, hdr);
19725 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
19726 wdev->conn_owner_nlportid);
19727 return 0;
19728
19729 nla_put_failure:
19730 nlmsg_free(msg);
19731 return -ENOBUFS;
19732}
19733EXPORT_SYMBOL(cfg80211_external_auth_request);
19734
cb74e977
SD		 19735void cfg80211_update_owe_info_event(struct net_device *netdev,
19736 struct cfg80211_update_owe_info *owe_info,
19737 gfp_t gfp)
19738{
19739 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
19740 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19741 struct sk_buff *msg;
19742 void *hdr;
19743
19744 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
19745
19746 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19747 if (!msg)
19748 return;
19749
19750 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
19751 if (!hdr)
19752 goto nla_put_failure;
19753
19754 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19755 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19756 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
19757 goto nla_put_failure;
19758
19759 if (!owe_info->ie_len ||
19760 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
19761 goto nla_put_failure;
19762
19763 genlmsg_end(msg, hdr);
19764
19765 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19766 NL80211_MCGRP_MLME, gfp);
19767 return;
19768
19769nla_put_failure:
19770 genlmsg_cancel(msg, hdr);
19771 nlmsg_free(msg);
19772}
19773EXPORT_SYMBOL(cfg80211_update_owe_info_event);
19774
55682965
JB		 19775/* initialisation/exit functions */
19776
56989f6d 19777int __init nl80211_init(void)
55682965 19778{
0d63cbb5 19779 int err;
55682965 19780
489111e5 19781 err = genl_register_family(&nl80211_fam);
55682965
JB		 19782 if (err)
19783 return err;
19784
026331c4
JM		 19785 err = netlink_register_notifier(&nl80211_netlink_notifier);
19786 if (err)
19787 goto err_out;
19788
55682965
JB		 19789 return 0;
19790 err_out:
19791 genl_unregister_family(&nl80211_fam);
19792 return err;
19793}
19794
19795void nl80211_exit(void)
19796{
026331c4 19797 netlink_unregister_notifier(&nl80211_netlink_notifier);
55682965
JB		 19798 genl_unregister_family(&nl80211_fam);
19799}
Linux 6.x block layer and io_uring tree(s)