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virt_wifi: fix error on connect
[linux-2.6-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
abaf94ec 8 * Copyright (C) 2018-2021 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
55682965 288/* policy for the attributes */
d15da2a2
JB		 289static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
290
81e54d08
PKC		 291static const struct nla_policy
292nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
293 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
294 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
295 .len = U8_MAX },
296 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
297 .len = U8_MAX },
298};
299
9bb7e0f2
JB		 300static const struct nla_policy
301nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
302 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
303 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
304 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
305 NLA_POLICY_MAX(NLA_U8, 15),
306 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
307 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
308 NLA_POLICY_MAX(NLA_U8, 15),
309 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
ea18709a 310 NLA_POLICY_MAX(NLA_U8, 31),
9bb7e0f2
JB		 311 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
312 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
313 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
efb5520d
AS		 314 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
315 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
73807523 316 [NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK] = { .type = NLA_FLAG },
9bb7e0f2
JB		 317};
318
319static const struct nla_policy
320nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
321 [NL80211_PMSR_TYPE_FTM] =
23323289 322 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
9bb7e0f2
JB		 323};
324
325static const struct nla_policy
326nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
327 [NL80211_PMSR_REQ_ATTR_DATA] =
23323289 328 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
9bb7e0f2
JB		 329 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
330};
331
332static const struct nla_policy
aeddc05f 333nl80211_pmsr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
9bb7e0f2 334 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
d15da2a2 335 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
9bb7e0f2 336 [NL80211_PMSR_PEER_ATTR_REQ] =
23323289 337 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
9bb7e0f2
JB		 338 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
339};
340
341static const struct nla_policy
342nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
343 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
344 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
345 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
346 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
347 [NL80211_PMSR_ATTR_PEERS] =
aeddc05f 348 NLA_POLICY_NESTED_ARRAY(nl80211_pmsr_peer_attr_policy),
9bb7e0f2
JB		 349};
350
796e90f4
JC		 351static const struct nla_policy
352he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
353 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
354 NLA_POLICY_RANGE(NLA_U8, 1, 20),
355 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
356 NLA_POLICY_RANGE(NLA_U8, 1, 20),
f5bec330
RM		 357 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
358 NLA_POLICY_RANGE(NLA_U8, 1, 20),
359 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
360 NLA_POLICY_EXACT_LEN(8),
361 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
362 NLA_POLICY_EXACT_LEN(8),
363 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
796e90f4
JC		 364};
365
5c5e52d1
JC		 366static const struct nla_policy
367he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
368 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
369 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
370 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
371};
372
9a5f6488
TC		 373static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
374 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
375 .len = NL80211_MAX_SUPP_RATES },
376 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
377 .len = NL80211_MAX_SUPP_HT_RATES },
378 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
379 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
eb89a6a6
MH		 380 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
381 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
382 NL80211_RATE_INFO_HE_GI_0_8,
383 NL80211_RATE_INFO_HE_GI_3_2),
384 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
385 NL80211_RATE_INFO_HE_1XLTF,
386 NL80211_RATE_INFO_HE_4XLTF),
9a5f6488
TC		 387};
388
77f576de
T		 389static const struct nla_policy
390nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
3710a8a6
JB		 391 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
392 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
77f576de 393 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
3710a8a6 394 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
77f576de
T		 395 [NL80211_TID_CONFIG_ATTR_NOACK] =
396 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
6a21d16c
T		 397 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
398 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
ade274b2
T		 399 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
400 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
04f7d142
T		 401 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
402 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
33462e68
SM		 403 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
404 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
9a5f6488
TC		 405 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
406 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
407 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
408 NLA_POLICY_NESTED(nl80211_txattr_policy),
77f576de
T		 409};
410
291c49de
AD		 411static const struct nla_policy
412nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
413 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
414 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
272cd0e8
AD		 415 [NL80211_FILS_DISCOVERY_ATTR_TMPL] =
416 NLA_POLICY_RANGE(NLA_BINARY,
417 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
418 IEEE80211_MAX_DATA_LEN),
291c49de
AD		 419};
420
7443dcd1
AD		 421static const struct nla_policy
422nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
423 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
424 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
425 .len = IEEE80211_MAX_DATA_LEN }
426};
427
6bdb68ce
CH		 428static const struct nla_policy
429sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
430 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
431 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
432};
433
434static const struct nla_policy
435sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
436 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
437 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
438};
439
d15da2a2 440static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
6d4dd4ef 441 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
55682965
JB		 442 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
443 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
079e24ed 444 .len = 20-1 },
31888487 445 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
3d9d1d66 446
72bdcf34 447 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
094d05dc 448 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
2a38075c
AAL		 449 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
450 NL80211_EDMG_CHANNELS_MIN,
451 NL80211_EDMG_CHANNELS_MAX),
452 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
453 NL80211_EDMG_BW_CONFIG_MIN,
454 NL80211_EDMG_BW_CONFIG_MAX),
455
3d9d1d66
JB		 456 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
457 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
942ba88b 458 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
3d9d1d66
JB		 459 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
460
ab0d76f6
JB		 461 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
462 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
b9a5f8ca
JM		 463 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
464 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
81077e82 465 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
3057dbfd 466 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
55682965 467
ab0d76f6 468 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
55682965
JB		 469 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
470 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
41ade00f 471
c7721c05
JB		 472 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
473 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
41ade00f 474
b9454e83 475 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
41ade00f
JB		 476 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
477 .len = WLAN_MAX_KEY_LEN },
56be393f 478 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
41ade00f
JB		 479 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
480 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
81962267 481 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
ab0d76f6
JB		 482 [NL80211_ATTR_KEY_TYPE] =
483 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
ed1b6cc7
JB		 484
485 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
486 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
f88eb7c0
JB		 487 [NL80211_ATTR_BEACON_HEAD] =
488 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
489 IEEE80211_MAX_DATA_LEN),
3d7af878
JB		 490 [NL80211_ATTR_BEACON_TAIL] =
491 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
492 IEEE80211_MAX_DATA_LEN),
ab0d76f6
JB		 493 [NL80211_ATTR_STA_AID] =
494 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
5727ef1b
JB		 495 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
496 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
497 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
498 .len = NL80211_MAX_SUPP_RATES },
ab0d76f6
JB		 499 [NL80211_ATTR_STA_PLINK_ACTION] =
500 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
e96d1cd2
ARN		 501 [NL80211_ATTR_STA_TX_POWER_SETTING] =
502 NLA_POLICY_RANGE(NLA_U8,
503 NL80211_TX_POWER_AUTOMATIC,
504 NL80211_TX_POWER_FIXED),
505 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
5727ef1b 506 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
0a9542ee 507 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
2ec600d6 508 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
a4f606ea 509 .len = IEEE80211_MAX_MESH_ID_LEN },
1fab1b89 510 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
9f1ba906 511
b2e1b302
LR		 512 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
513 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
514
9f1ba906
JM		 515 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
516 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
517 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
90c97a04
JM		 518 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
519 .len = NL80211_MAX_SUPP_RATES },
50b12f59 520 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
36aedc90 521
24bdd9f4 522 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
15d5dda6 523 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
93da9cc1 524
c7721c05 525 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
9aed3cc1
JM		 526
527 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
3d7af878
JB		 528 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
529 validate_ie_attr,
530 IEEE80211_MAX_DATA_LEN),
2a519311
JB		 531 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
532 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
636a5d36
JM		 533
534 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
535 .len = IEEE80211_MAX_SSID_LEN },
536 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
537 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
04a773ad 538 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
1965c853 539 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
ab0d76f6
JB		 540 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
541 NL80211_MFP_NO,
542 NL80211_MFP_OPTIONAL),
eccb8e8f
JB		 543 [NL80211_ATTR_STA_FLAGS2] = {
544 .len = sizeof(struct nl80211_sta_flag_update),
545 },
3f77316c 546 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
c0692b8f
JB		 547 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
548 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
64bf3d4b 549 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
b23aa676 550 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
ea750801 551 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
b23aa676
SO		 552 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
553 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
463d0183 554 [NL80211_ATTR_PID] = { .type = NLA_U32 },
8b787643 555 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
c7721c05 556 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
9588bbd5
JM		 557 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
558 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
13ae75b1 559 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
026331c4
JM		 560 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
561 .len = IEEE80211_MAX_DATA_LEN },
562 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
ab0d76f6
JB		 563 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
564 NL80211_PS_DISABLED,
565 NL80211_PS_ENABLED),
d6dc1a38 566 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
d5cdfacb 567 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
fd8aaaf3 568 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
98d2ff8b
JO		 569 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
570 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
2e161f78 571 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
afe0cbf8
BR		 572 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
573 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
885a46d0 574 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
f7ca38df 575 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
dbd2fd65 576 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
ff1b6e69 577 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
ab0d76f6
JB		 578 [NL80211_ATTR_STA_PLINK_STATE] =
579 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
056e9375
JK		 580 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
581 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
ab0d76f6
JB		 582 [NL80211_ATTR_MESH_PEER_AID] =
583 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
bbe6ad6d 584 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
e5497d76 585 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
34850ab2 586 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
ab0d76f6
JB		 587 [NL80211_ATTR_HIDDEN_SSID] =
588 NLA_POLICY_RANGE(NLA_U32,
589 NL80211_HIDDEN_SSID_NOT_IN_USE,
590 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
3d7af878
JB		 591 [NL80211_ATTR_IE_PROBE_RESP] =
592 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
593 IEEE80211_MAX_DATA_LEN),
594 [NL80211_ATTR_IE_ASSOC_RESP] =
595 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
596 IEEE80211_MAX_DATA_LEN),
f4b34b55 597 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
a1f1c21c 598 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
e9f935e3 599 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
109086ce
AN		 600 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
601 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
602 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
603 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
604 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
31fa97c5 605 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
e247bd90 606 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
00f740e1
AN		 607 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
608 .len = IEEE80211_MAX_DATA_LEN },
8b60b078 609 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
7e7c8926
BG		 610 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
611 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
612 .len = NL80211_HT_CAPABILITY_LEN
613 },
1d9d9213 614 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
1b658f11 615 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
4486ea98 616 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
89a54e48 617 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
57b5ce07 618 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
cb9abd48
JB		 619
620 /* need to include at least Auth Transaction and Status Code */
621 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
622
c7721c05 623 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
ed473771 624 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
ab0d76f6
JB		 625 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
626 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
627 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
628 NLA_POLICY_RANGE(NLA_U32,
629 NL80211_MESH_POWER_UNKNOWN + 1,
630 NL80211_MESH_POWER_MAX),
77765eaf
VT		 631 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
632 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
9d62a986
JM		 633 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
634 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
3713b4e3 635 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
ee2aca34
JB		 636 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
637 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
638 .len = NL80211_VHT_CAPABILITY_LEN,
639 },
355199e0
JM		 640 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
641 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
642 .len = IEEE80211_MAX_DATA_LEN },
0e1a1d85 643 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
cb9abd48
JB		 644 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
645 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
ab0d76f6
JB		 646 [NL80211_ATTR_PEER_AID] =
647 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
16ef1fe2
SW		 648 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
649 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
650 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
00c207ed
JC		 651 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
652 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
cb9abd48 653 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
c8b82802
JB		 654 /*
655 * The value of the Length field of the Supported Operating
656 * Classes element is between 2 and 253.
657 */
658 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
659 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
5336fa88 660 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
60f4a7b1 661 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
ad7e718c
JB		 662 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
663 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
664 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
c8b82802
JB		 665 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
666 IEEE80211_QOS_MAP_LEN_MIN,
667 IEEE80211_QOS_MAP_LEN_MAX),
c7721c05 668 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
1df4a510 669 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
df942e7b 670 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
18e5ca65 671 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
34d22ce2 672 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
bab5ab7d 673 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
ab0d76f6
JB		 674 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
675 [NL80211_ATTR_USER_PRIO] =
676 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
960d01ac 677 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
18998c38 678 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
5cde05c6 679 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
c7721c05 680 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
1bdd716c 681 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
4b681c82 682 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
9c748934 683 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
05050753 684 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
34d50519 685 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
38de03d2 686 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
ab0d76f6
JB		 687 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
688 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
c6e6a0c8
AE		 689 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
690 .len = VHT_MUMIMO_GROUPS_DATA_LEN
691 },
c7721c05 692 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
ab0d76f6 693 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
8585989d 694 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
a442b761 695 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
348bd456
JM		 696 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
697 .len = FILS_MAX_KEK_LEN },
c7721c05 698 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
ce0ce13a 699 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
c7721c05 700 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
bf95ecdb 701 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
702 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
703 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
704 },
3093ebbe 705 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
a3caf744
VK		 706 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
707 .len = FILS_ERP_MAX_USERNAME_LEN },
708 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
709 .len = FILS_ERP_MAX_REALM_LEN },
710 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
711 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
712 .len = FILS_ERP_MAX_RRK_LEN },
c7721c05 713 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
a3caf744 714 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
cb9abd48 715 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
ca986ad9 716 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
40cbfa90 717 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
52539ca8
THJ		 718
719 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
720 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
721 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
c8b82802
JB		 722 [NL80211_ATTR_HE_CAPABILITY] =
723 NLA_POLICY_RANGE(NLA_BINARY,
724 NL80211_HE_MIN_CAPABILITY_LEN,
725 NL80211_HE_MAX_CAPABILITY_LEN),
0e012b4e
JB		 726 [NL80211_ATTR_FTM_RESPONDER] =
727 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
9bb7e0f2
JB		 728 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
729 [NL80211_ATTR_PEER_MEASUREMENTS] =
23323289 730 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
36647055 731 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
26f7044e
CHH		 732 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
733 .len = SAE_PASSWORD_MAX_LEN },
a0de1ca3 734 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
796e90f4 735 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
14f34e36 736 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
5c5e52d1 737 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
77f576de
T		 738 [NL80211_ATTR_TID_CONFIG] =
739 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
5631d96a 740 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
7fc82af8
VJ		 741 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
742 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
9dba48a6 743 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
942ba88b 744 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
2032f3b2 745 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
8140860c
JB		 746 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
747 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
291c49de
AD		 748 [NL80211_ATTR_FILS_DISCOVERY] =
749 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
7443dcd1
AD		 750 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
751 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
d2b7588a
TP		 752 [NL80211_ATTR_S1G_CAPABILITY] =
753 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
754 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
755 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
9f0ffa41
RD		 756 [NL80211_ATTR_SAE_PWE] =
757 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
758 NL80211_SAE_PWE_BOTH),
3bb02143 759 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
6bdb68ce 760 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
b6db0f89 761 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
55682965
JB		 762};
763
e31b8213 764/* policy for the key attributes */
b54452b0 765static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
fffd0934 766 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
b9454e83
JB		 767 [NL80211_KEY_IDX] = { .type = NLA_U8 },
768 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
81962267 769 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
b9454e83
JB		 770 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
771 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
ab0d76f6 772 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
dbd2fd65 773 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
6cdd3979 774 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
dbd2fd65
JB		 775};
776
777/* policy for the key default flags */
778static const struct nla_policy
779nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
780 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
781 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
b9454e83
JB		 782};
783
f83ace3b 784#ifdef CONFIG_PM
ff1b6e69
JB		 785/* policy for WoWLAN attributes */
786static const struct nla_policy
787nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
788 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
789 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
790 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
791 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
77dbbb13
JB		 792 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
793 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
794 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
795 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
2a0e047e 796 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
8cd4d456 797 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
2a0e047e
JB		 798};
799
800static const struct nla_policy
801nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
802 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
803 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
c7721c05 804 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
2a0e047e
JB		 805 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
806 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
bc043585 807 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
2a0e047e
JB		 808 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
809 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
810 },
811 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
812 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
813 },
814 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
bc043585
JB		 815 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
816 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
ff1b6e69 817};
f83ace3b 818#endif /* CONFIG_PM */
ff1b6e69 819
be29b99a
AK		 820/* policy for coalesce rule attributes */
821static const struct nla_policy
822nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
823 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
ab0d76f6
JB		 824 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
825 NLA_POLICY_RANGE(NLA_U32,
826 NL80211_COALESCE_CONDITION_MATCH,
827 NL80211_COALESCE_CONDITION_NO_MATCH),
be29b99a
AK		 828 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
829};
830
e5497d76
JB		 831/* policy for GTK rekey offload attributes */
832static const struct nla_policy
833nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
093a48d2
NE		 834 [NL80211_REKEY_DATA_KEK] = {
835 .type = NLA_BINARY,
836 .len = NL80211_KEK_EXT_LEN
837 },
838 [NL80211_REKEY_DATA_KCK] = {
839 .type = NLA_BINARY,
840 .len = NL80211_KCK_EXT_LEN
841 },
cb9abd48 842 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
093a48d2 843 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
e5497d76
JB		 844};
845
1e1b11b6 846static const struct nla_policy
847nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
848 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
849 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
e548a1c3 850 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
1e1b11b6 851 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
852};
853
a1f1c21c
LC		 854static const struct nla_policy
855nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
4a4ab0d7 856 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
a1f1c21c 857 .len = IEEE80211_MAX_SSID_LEN },
c7721c05 858 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
88e920b4 859 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
1e1b11b6 860 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
861 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
a1f1c21c
LC		 862};
863
3b06d277
AS		 864static const struct nla_policy
865nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
866 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
867 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
868};
869
38de03d2
AS		 870static const struct nla_policy
871nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
872 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
873 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
874 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
875 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
876 },
877};
878
a442b761
AB		 879/* policy for NAN function attributes */
880static const struct nla_policy
881nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
cb9abd48
JB		 882 [NL80211_NAN_FUNC_TYPE] =
883 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
0a27844c 884 [NL80211_NAN_FUNC_SERVICE_ID] = {
a442b761
AB		 885 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
886 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
887 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
888 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
889 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
890 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
c7721c05 891 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
a442b761
AB		 892 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
893 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
894 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
895 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
896 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
897 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
898 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
899 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
900 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
901};
902
903/* policy for Service Response Filter attributes */
904static const struct nla_policy
905nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
906 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
907 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
908 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
909 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
910 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
911};
912
ad670233
PX		 913/* policy for packet pattern attributes */
914static const struct nla_policy
915nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
916 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
917 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
918 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
919};
920
9bb7e0f2
JB		 921int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
922 struct cfg80211_registered_device **rdev,
923 struct wireless_dev **wdev)
a043897a 924{
97990a06 925 int err;
a043897a 926
97990a06 927 if (!cb->args[0]) {
50508d94
JB		 928 struct nlattr **attrbuf;
929
930 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
931 GFP_KERNEL);
932 if (!attrbuf)
933 return -ENOMEM;
934
8cb08174
JB		 935 err = nlmsg_parse_deprecated(cb->nlh,
936 GENL_HDRLEN + nl80211_fam.hdrsize,
50508d94 937 attrbuf, nl80211_fam.maxattr,
8cb08174 938 nl80211_policy, NULL);
50508d94
JB		 939 if (err) {
940 kfree(attrbuf);
ea90e0dc 941 return err;
50508d94 942 }
67748893 943
a05829a7
JB		 944 rtnl_lock();
945 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
50508d94
JB		 946 attrbuf);
947 kfree(attrbuf);
a05829a7
JB		 948 if (IS_ERR(*wdev)) {
949 rtnl_unlock();
ea90e0dc 950 return PTR_ERR(*wdev);
a05829a7 951 }
f26cbf40 952 *rdev = wiphy_to_rdev((*wdev)->wiphy);
a05829a7
JB		 953 mutex_lock(&(*rdev)->wiphy.mtx);
954 rtnl_unlock();
c319d50b
JB		 955 /* 0 is the first index - add 1 to parse only once */
956 cb->args[0] = (*rdev)->wiphy_idx + 1;
97990a06
JB		 957 cb->args[1] = (*wdev)->identifier;
958 } else {
c319d50b 959 /* subtract the 1 again here */
a05829a7 960 struct wiphy *wiphy;
97990a06 961 struct wireless_dev *tmp;
67748893 962
a05829a7
JB		 963 rtnl_lock();
964 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
965 if (!wiphy) {
966 rtnl_unlock();
ea90e0dc 967 return -ENODEV;
a05829a7 968 }
f26cbf40 969 *rdev = wiphy_to_rdev(wiphy);
97990a06 970 *wdev = NULL;
67748893 971
53873f13 972 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
97990a06
JB		 973 if (tmp->identifier == cb->args[1]) {
974 *wdev = tmp;
975 break;
976 }
977 }
67748893 978
a05829a7
JB		 979 if (!*wdev) {
980 rtnl_unlock();
ea90e0dc 981 return -ENODEV;
a05829a7
JB		 982 }
983 mutex_lock(&(*rdev)->wiphy.mtx);
984 rtnl_unlock();
67748893
JB		 985 }
986
67748893 987 return 0;
67748893
JB		 988}
989
55682965 990/* message building helper */
9bb7e0f2
JB		 991void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
992 int flags, u8 cmd)
55682965
JB		 993{
994 /* since there is no private header just add the generic one */
15e47304 995 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
55682965
JB		 996}
997
50f32718
HD		 998static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
999 const struct ieee80211_reg_rule *rule)
1000{
1001 int j;
1002 struct nlattr *nl_wmm_rules =
ae0be8de 1003 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
50f32718
HD		 1004
1005 if (!nl_wmm_rules)
1006 goto nla_put_failure;
1007
1008 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
ae0be8de 1009 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
50f32718
HD		 1010
1011 if (!nl_wmm_rule)
1012 goto nla_put_failure;
1013
1014 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
38cb87ee 1015 rule->wmm_rule.client[j].cw_min) ||
50f32718 1016 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
38cb87ee 1017 rule->wmm_rule.client[j].cw_max) ||
50f32718 1018 nla_put_u8(msg, NL80211_WMMR_AIFSN,
38cb87ee 1019 rule->wmm_rule.client[j].aifsn) ||
d3c89bbc
HD		 1020 nla_put_u16(msg, NL80211_WMMR_TXOP,
1021 rule->wmm_rule.client[j].cot))
50f32718
HD		 1022 goto nla_put_failure;
1023
1024 nla_nest_end(msg, nl_wmm_rule);
1025 }
1026 nla_nest_end(msg, nl_wmm_rules);
1027
1028 return 0;
1029
1030nla_put_failure:
1031 return -ENOBUFS;
1032}
1033
1034static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
cdc89b97
JB		 1035 struct ieee80211_channel *chan,
1036 bool large)
5dab3b8a 1037{
ea077c1c
RL		 1038 /* Some channels must be completely excluded from the
1039 * list to protect old user-space tools from breaking
1040 */
1041 if (!large && chan->flags &
1042 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1043 return 0;
f8d504ca
JB		 1044 if (!large && chan->freq_offset)
1045 return 0;
ea077c1c 1046
9360ffd1
DM		 1047 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1048 chan->center_freq))
1049 goto nla_put_failure;
5dab3b8a 1050
942ba88b
TP		 1051 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1052 goto nla_put_failure;
1053
9360ffd1
DM		 1054 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1055 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1056 goto nla_put_failure;
8fe02e16
LR		 1057 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1058 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1059 goto nla_put_failure;
1060 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1061 goto nla_put_failure;
1062 }
cdc89b97
JB		 1063 if (chan->flags & IEEE80211_CHAN_RADAR) {
1064 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1065 goto nla_put_failure;
1066 if (large) {
1067 u32 time;
1068
1069 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1070
1071 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1072 chan->dfs_state))
1073 goto nla_put_failure;
1074 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1075 time))
1076 goto nla_put_failure;
089027e5
JD		 1077 if (nla_put_u32(msg,
1078 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1079 chan->dfs_cac_ms))
1080 goto nla_put_failure;
cdc89b97
JB		 1081 }
1082 }
5dab3b8a 1083
fe1abafd
JB		 1084 if (large) {
1085 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1086 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1087 goto nla_put_failure;
1088 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1089 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1090 goto nla_put_failure;
1091 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1092 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1093 goto nla_put_failure;
1094 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1095 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1096 goto nla_put_failure;
570dbde1
DS		 1097 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1098 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1099 goto nla_put_failure;
06f207fc
AN		 1100 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1101 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
570dbde1 1102 goto nla_put_failure;
ea077c1c
RL		 1103 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1104 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1105 goto nla_put_failure;
1106 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1107 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1108 goto nla_put_failure;
1e61d82c
HD		 1109 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1110 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1111 goto nla_put_failure;
d65a9770
TP		 1112 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1113 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1114 goto nla_put_failure;
1115 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1116 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1117 goto nla_put_failure;
1118 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1119 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1120 goto nla_put_failure;
1121 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1122 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1123 goto nla_put_failure;
1124 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1125 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1126 goto nla_put_failure;
fe1abafd
JB		 1127 }
1128
9360ffd1
DM		 1129 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1130 DBM_TO_MBM(chan->max_power)))
1131 goto nla_put_failure;
5dab3b8a 1132
50f32718
HD		 1133 if (large) {
1134 const struct ieee80211_reg_rule *rule =
b88d26d9 1135 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
50f32718 1136
38cb87ee 1137 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
50f32718
HD		 1138 if (nl80211_msg_put_wmm_rules(msg, rule))
1139 goto nla_put_failure;
1140 }
1141 }
1142
5dab3b8a
LR		 1143 return 0;
1144
1145 nla_put_failure:
1146 return -ENOBUFS;
1147}
1148
52539ca8
THJ		 1149static bool nl80211_put_txq_stats(struct sk_buff *msg,
1150 struct cfg80211_txq_stats *txqstats,
1151 int attrtype)
1152{
1153 struct nlattr *txqattr;
1154
1155#define PUT_TXQVAL_U32(attr, memb) do { \
1156 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1157 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1158 return false; \
1159 } while (0)
1160
ae0be8de 1161 txqattr = nla_nest_start_noflag(msg, attrtype);
52539ca8
THJ		 1162 if (!txqattr)
1163 return false;
1164
1165 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1166 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1167 PUT_TXQVAL_U32(FLOWS, flows);
1168 PUT_TXQVAL_U32(DROPS, drops);
1169 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1170 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1171 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1172 PUT_TXQVAL_U32(COLLISIONS, collisions);
1173 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1174 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1175 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1176 nla_nest_end(msg, txqattr);
1177
1178#undef PUT_TXQVAL_U32
1179 return true;
1180}
1181
55682965
JB		 1182/* netlink command implementations */
1183
b9454e83
JB		 1184struct key_parse {
1185 struct key_params p;
1186 int idx;
e31b8213 1187 int type;
56be393f 1188 bool def, defmgmt, defbeacon;
dbd2fd65 1189 bool def_uni, def_multi;
b9454e83
JB		 1190};
1191
768075eb
JB		 1192static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1193 struct key_parse *k)
b9454e83
JB		 1194{
1195 struct nlattr *tb[NL80211_KEY_MAX + 1];
8cb08174
JB		 1196 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1197 nl80211_key_policy,
1198 info->extack);
b9454e83
JB		 1199 if (err)
1200 return err;
1201
1202 k->def = !!tb[NL80211_KEY_DEFAULT];
1203 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
56be393f 1204 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
b9454e83 1205
dbd2fd65
JB		 1206 if (k->def) {
1207 k->def_uni = true;
1208 k->def_multi = true;
1209 }
56be393f 1210 if (k->defmgmt || k->defbeacon)
dbd2fd65
JB		 1211 k->def_multi = true;
1212
b9454e83
JB		 1213 if (tb[NL80211_KEY_IDX])
1214 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1215
1216 if (tb[NL80211_KEY_DATA]) {
1217 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1218 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1219 }
1220
1221 if (tb[NL80211_KEY_SEQ]) {
1222 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1223 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1224 }
1225
1226 if (tb[NL80211_KEY_CIPHER])
1227 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1228
ab0d76f6 1229 if (tb[NL80211_KEY_TYPE])
e31b8213 1230 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
e31b8213 1231
dbd2fd65
JB		 1232 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1233 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
7a087e74 1234
8cb08174
JB		 1235 err = nla_parse_nested_deprecated(kdt,
1236 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1237 tb[NL80211_KEY_DEFAULT_TYPES],
1238 nl80211_key_default_policy,
1239 info->extack);
dbd2fd65
JB		 1240 if (err)
1241 return err;
1242
1243 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1244 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1245 }
1246
6cdd3979
AW		 1247 if (tb[NL80211_KEY_MODE])
1248 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1249
b9454e83
JB		 1250 return 0;
1251}
1252
1253static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1254{
1255 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1256 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1257 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1258 }
1259
1260 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1261 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1262 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1263 }
1264
1265 if (info->attrs[NL80211_ATTR_KEY_IDX])
1266 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1267
1268 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1269 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1270
1271 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1272 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1273
dbd2fd65
JB		 1274 if (k->def) {
1275 k->def_uni = true;
1276 k->def_multi = true;
1277 }
1278 if (k->defmgmt)
1279 k->def_multi = true;
1280
ab0d76f6 1281 if (info->attrs[NL80211_ATTR_KEY_TYPE])
e31b8213 1282 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
e31b8213 1283
dbd2fd65
JB		 1284 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1285 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
8cb08174
JB		 1286 int err = nla_parse_nested_deprecated(kdt,
1287 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1288 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1289 nl80211_key_default_policy,
1290 info->extack);
dbd2fd65
JB		 1291 if (err)
1292 return err;
1293
1294 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1295 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1296 }
1297
b9454e83
JB		 1298 return 0;
1299}
1300
1301static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1302{
1303 int err;
1304
1305 memset(k, 0, sizeof(*k));
1306 k->idx = -1;
e31b8213 1307 k->type = -1;
b9454e83
JB		 1308
1309 if (info->attrs[NL80211_ATTR_KEY])
768075eb 1310 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
b9454e83
JB		 1311 else
1312 err = nl80211_parse_key_old(info, k);
1313
1314 if (err)
1315 return err;
1316
56be393f
JM		 1317 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1318 (k->defbeacon ? 1 : 0) > 1) {
1319 GENL_SET_ERR_MSG(info,
1320 "key with multiple default flags is invalid");
b9454e83 1321 return -EINVAL;
768075eb 1322 }
b9454e83 1323
56be393f 1324 if (k->defmgmt || k->defbeacon) {
768075eb 1325 if (k->def_uni || !k->def_multi) {
56be393f
JM		 1326 GENL_SET_ERR_MSG(info,
1327 "defmgmt/defbeacon key must be mcast");
dbd2fd65 1328 return -EINVAL;
768075eb 1329 }
dbd2fd65
JB		 1330 }
1331
b9454e83
JB		 1332 if (k->idx != -1) {
1333 if (k->defmgmt) {
768075eb
JB		 1334 if (k->idx < 4 || k->idx > 5) {
1335 GENL_SET_ERR_MSG(info,
1336 "defmgmt key idx not 4 or 5");
b9454e83 1337 return -EINVAL;
768075eb 1338 }
56be393f
JM		 1339 } else if (k->defbeacon) {
1340 if (k->idx < 6 || k->idx > 7) {
1341 GENL_SET_ERR_MSG(info,
1342 "defbeacon key idx not 6 or 7");
1343 return -EINVAL;
1344 }
b9454e83 1345 } else if (k->def) {
768075eb
JB		 1346 if (k->idx < 0 || k->idx > 3) {
1347 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
b9454e83 1348 return -EINVAL;
768075eb 1349 }
b9454e83 1350 } else {
56be393f
JM		 1351 if (k->idx < 0 || k->idx > 7) {
1352 GENL_SET_ERR_MSG(info, "key idx not 0-7");
b9454e83 1353 return -EINVAL;
768075eb 1354 }
b9454e83
JB		 1355 }
1356 }
1357
1358 return 0;
1359}
1360
fffd0934
JB		 1361static struct cfg80211_cached_keys *
1362nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
768075eb 1363 struct genl_info *info, bool *no_ht)
fffd0934 1364{
768075eb 1365 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
fffd0934
JB		 1366 struct key_parse parse;
1367 struct nlattr *key;
1368 struct cfg80211_cached_keys *result;
1369 int rem, err, def = 0;
f1c1f17a
JB		 1370 bool have_key = false;
1371
1372 nla_for_each_nested(key, keys, rem) {
1373 have_key = true;
1374 break;
1375 }
1376
1377 if (!have_key)
1378 return NULL;
fffd0934
JB		 1379
1380 result = kzalloc(sizeof(*result), GFP_KERNEL);
1381 if (!result)
1382 return ERR_PTR(-ENOMEM);
1383
1384 result->def = -1;
fffd0934
JB		 1385
1386 nla_for_each_nested(key, keys, rem) {
1387 memset(&parse, 0, sizeof(parse));
1388 parse.idx = -1;
1389
768075eb 1390 err = nl80211_parse_key_new(info, key, &parse);
fffd0934
JB		 1391 if (err)
1392 goto error;
1393 err = -EINVAL;
1394 if (!parse.p.key)
1395 goto error;
768075eb
JB		 1396 if (parse.idx < 0 || parse.idx > 3) {
1397 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
fffd0934 1398 goto error;
768075eb 1399 }
fffd0934 1400 if (parse.def) {
768075eb
JB		 1401 if (def) {
1402 GENL_SET_ERR_MSG(info,
1403 "only one key can be default");
fffd0934 1404 goto error;
768075eb 1405 }
fffd0934
JB		 1406 def = 1;
1407 result->def = parse.idx;
dbd2fd65
JB		 1408 if (!parse.def_uni || !parse.def_multi)
1409 goto error;
fffd0934
JB		 1410 } else if (parse.defmgmt)
1411 goto error;
1412 err = cfg80211_validate_key_settings(rdev, &parse.p,
e31b8213 1413 parse.idx, false, NULL);
fffd0934
JB		 1414 if (err)
1415 goto error;
386b1f27
JB		 1416 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1417 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
768075eb 1418 GENL_SET_ERR_MSG(info, "connect key must be WEP");
386b1f27
JB		 1419 err = -EINVAL;
1420 goto error;
1421 }
fffd0934
JB		 1422 result->params[parse.idx].cipher = parse.p.cipher;
1423 result->params[parse.idx].key_len = parse.p.key_len;
1424 result->params[parse.idx].key = result->data[parse.idx];
1425 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
de7044ee 1426
386b1f27
JB		 1427 /* must be WEP key if we got here */
1428 if (no_ht)
1429 *no_ht = true;
fffd0934
JB		 1430 }
1431
f1c1f17a
JB		 1432 if (result->def < 0) {
1433 err = -EINVAL;
768075eb 1434 GENL_SET_ERR_MSG(info, "need a default/TX key");
f1c1f17a
JB		 1435 goto error;
1436 }
1437
fffd0934
JB		 1438 return result;
1439 error:
1440 kfree(result);
1441 return ERR_PTR(err);
1442}
1443
1444static int nl80211_key_allowed(struct wireless_dev *wdev)
1445{
1446 ASSERT_WDEV_LOCK(wdev);
1447
fffd0934
JB		 1448 switch (wdev->iftype) {
1449 case NL80211_IFTYPE_AP:
1450 case NL80211_IFTYPE_AP_VLAN:
074ac8df 1451 case NL80211_IFTYPE_P2P_GO:
ff973af7 1452 case NL80211_IFTYPE_MESH_POINT:
fffd0934
JB		 1453 break;
1454 case NL80211_IFTYPE_ADHOC:
fffd0934 1455 case NL80211_IFTYPE_STATION:
074ac8df 1456 case NL80211_IFTYPE_P2P_CLIENT:
ceca7b71 1457 if (!wdev->current_bss)
fffd0934
JB		 1458 return -ENOLINK;
1459 break;
de4fcbad 1460 case NL80211_IFTYPE_UNSPECIFIED:
6e0bd6c3 1461 case NL80211_IFTYPE_OCB:
de4fcbad 1462 case NL80211_IFTYPE_MONITOR:
cb3b7d87 1463 case NL80211_IFTYPE_NAN:
de4fcbad
JB		 1464 case NL80211_IFTYPE_P2P_DEVICE:
1465 case NL80211_IFTYPE_WDS:
1466 case NUM_NL80211_IFTYPES:
fffd0934
JB		 1467 return -EINVAL;
1468 }
1469
1470 return 0;
1471}
1472
664834de 1473static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
942ba88b 1474 u32 freq)
664834de
JM		 1475{
1476 struct ieee80211_channel *chan;
1477
942ba88b 1478 chan = ieee80211_get_channel_khz(wiphy, freq);
664834de
JM		 1479 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1480 return NULL;
1481 return chan;
1482}
1483
7527a782
JB		 1484static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1485{
ae0be8de 1486 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
7527a782
JB		 1487 int i;
1488
1489 if (!nl_modes)
1490 goto nla_put_failure;
1491
1492 i = 0;
1493 while (ifmodes) {
9360ffd1
DM		 1494 if ((ifmodes & 1) && nla_put_flag(msg, i))
1495 goto nla_put_failure;
7527a782
JB		 1496 ifmodes >>= 1;
1497 i++;
1498 }
1499
1500 nla_nest_end(msg, nl_modes);
1501 return 0;
1502
1503nla_put_failure:
1504 return -ENOBUFS;
1505}
1506
1507static int nl80211_put_iface_combinations(struct wiphy *wiphy,
cdc89b97
JB		 1508 struct sk_buff *msg,
1509 bool large)
7527a782
JB		 1510{
1511 struct nlattr *nl_combis;
1512 int i, j;
1513
ae0be8de
MK		 1514 nl_combis = nla_nest_start_noflag(msg,
1515 NL80211_ATTR_INTERFACE_COMBINATIONS);
7527a782
JB		 1516 if (!nl_combis)
1517 goto nla_put_failure;
1518
1519 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1520 const struct ieee80211_iface_combination *c;
1521 struct nlattr *nl_combi, *nl_limits;
1522
1523 c = &wiphy->iface_combinations[i];
1524
ae0be8de 1525 nl_combi = nla_nest_start_noflag(msg, i + 1);
7527a782
JB		 1526 if (!nl_combi)
1527 goto nla_put_failure;
1528
ae0be8de
MK		 1529 nl_limits = nla_nest_start_noflag(msg,
1530 NL80211_IFACE_COMB_LIMITS);
7527a782
JB		 1531 if (!nl_limits)
1532 goto nla_put_failure;
1533
1534 for (j = 0; j < c->n_limits; j++) {
1535 struct nlattr *nl_limit;
1536
ae0be8de 1537 nl_limit = nla_nest_start_noflag(msg, j + 1);
7527a782
JB		 1538 if (!nl_limit)
1539 goto nla_put_failure;
9360ffd1
DM		 1540 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1541 c->limits[j].max))
1542 goto nla_put_failure;
7527a782
JB		 1543 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1544 c->limits[j].types))
1545 goto nla_put_failure;
1546 nla_nest_end(msg, nl_limit);
1547 }
1548
1549 nla_nest_end(msg, nl_limits);
1550
9360ffd1
DM		 1551 if (c->beacon_int_infra_match &&
1552 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1553 goto nla_put_failure;
1554 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1555 c->num_different_channels) ||
1556 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1557 c->max_interfaces))
1558 goto nla_put_failure;
cdc89b97 1559 if (large &&
8c48b50a
FF		 1560 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1561 c->radar_detect_widths) ||
1562 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1563 c->radar_detect_regions)))
cdc89b97 1564 goto nla_put_failure;
0c317a02
PK		 1565 if (c->beacon_int_min_gcd &&
1566 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1567 c->beacon_int_min_gcd))
1568 goto nla_put_failure;
7527a782
JB		 1569
1570 nla_nest_end(msg, nl_combi);
1571 }
1572
1573 nla_nest_end(msg, nl_combis);
1574
1575 return 0;
1576nla_put_failure:
1577 return -ENOBUFS;
1578}
1579
3713b4e3 1580#ifdef CONFIG_PM
b56cf720
JB		 1581static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1582 struct sk_buff *msg)
1583{
964dc9e2 1584 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
b56cf720
JB		 1585 struct nlattr *nl_tcp;
1586
1587 if (!tcp)
1588 return 0;
1589
ae0be8de
MK		 1590 nl_tcp = nla_nest_start_noflag(msg,
1591 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
b56cf720
JB		 1592 if (!nl_tcp)
1593 return -ENOBUFS;
1594
1595 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1596 tcp->data_payload_max))
1597 return -ENOBUFS;
1598
1599 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1600 tcp->data_payload_max))
1601 return -ENOBUFS;
1602
1603 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1604 return -ENOBUFS;
1605
1606 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1607 sizeof(*tcp->tok), tcp->tok))
1608 return -ENOBUFS;
1609
1610 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1611 tcp->data_interval_max))
1612 return -ENOBUFS;
1613
1614 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1615 tcp->wake_payload_max))
1616 return -ENOBUFS;
1617
1618 nla_nest_end(msg, nl_tcp);
1619 return 0;
1620}
1621
3713b4e3 1622static int nl80211_send_wowlan(struct sk_buff *msg,
1b8ec87a 1623 struct cfg80211_registered_device *rdev,
b56cf720 1624 bool large)
55682965 1625{
3713b4e3 1626 struct nlattr *nl_wowlan;
55682965 1627
1b8ec87a 1628 if (!rdev->wiphy.wowlan)
3713b4e3 1629 return 0;
55682965 1630
ae0be8de
MK		 1631 nl_wowlan = nla_nest_start_noflag(msg,
1632 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
3713b4e3
JB		 1633 if (!nl_wowlan)
1634 return -ENOBUFS;
9360ffd1 1635
1b8ec87a 1636 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
3713b4e3 1637 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1b8ec87a 1638 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
3713b4e3 1639 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1b8ec87a 1640 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
3713b4e3 1641 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1b8ec87a 1642 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
3713b4e3 1643 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1b8ec87a 1644 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
3713b4e3 1645 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1b8ec87a 1646 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
3713b4e3 1647 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1b8ec87a 1648 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
3713b4e3 1649 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1b8ec87a 1650 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
3713b4e3
JB		 1651 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1652 return -ENOBUFS;
9360ffd1 1653
1b8ec87a 1654 if (rdev->wiphy.wowlan->n_patterns) {
50ac6607 1655 struct nl80211_pattern_support pat = {
1b8ec87a
ZG		 1656 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1657 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1658 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1659 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
3713b4e3 1660 };
9360ffd1 1661
3713b4e3
JB		 1662 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1663 sizeof(pat), &pat))
1664 return -ENOBUFS;
1665 }
9360ffd1 1666
75453ccb
LC		 1667 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1668 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1669 rdev->wiphy.wowlan->max_nd_match_sets))
1670 return -ENOBUFS;
1671
1b8ec87a 1672 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
b56cf720
JB		 1673 return -ENOBUFS;
1674
3713b4e3 1675 nla_nest_end(msg, nl_wowlan);
9360ffd1 1676
3713b4e3
JB		 1677 return 0;
1678}
1679#endif
9360ffd1 1680
be29b99a 1681static int nl80211_send_coalesce(struct sk_buff *msg,
1b8ec87a 1682 struct cfg80211_registered_device *rdev)
be29b99a
AK		 1683{
1684 struct nl80211_coalesce_rule_support rule;
1685
1b8ec87a 1686 if (!rdev->wiphy.coalesce)
be29b99a
AK		 1687 return 0;
1688
1b8ec87a
ZG		 1689 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1690 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1691 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1692 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1693 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1694 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
be29b99a
AK		 1695
1696 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1697 return -ENOBUFS;
1698
1699 return 0;
1700}
1701
c4cbaf79
LC		 1702static int
1703nl80211_send_iftype_data(struct sk_buff *msg,
22395217 1704 const struct ieee80211_supported_band *sband,
c4cbaf79
LC		 1705 const struct ieee80211_sband_iftype_data *iftdata)
1706{
1707 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1708
1709 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1710 iftdata->types_mask))
1711 return -ENOBUFS;
1712
1713 if (he_cap->has_he) {
1714 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1715 sizeof(he_cap->he_cap_elem.mac_cap_info),
1716 he_cap->he_cap_elem.mac_cap_info) ||
1717 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1718 sizeof(he_cap->he_cap_elem.phy_cap_info),
1719 he_cap->he_cap_elem.phy_cap_info) ||
1720 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1721 sizeof(he_cap->he_mcs_nss_supp),
1722 &he_cap->he_mcs_nss_supp) ||
1723 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1724 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1725 return -ENOBUFS;
1726 }
1727
22395217
JB		 1728 if (sband->band == NL80211_BAND_6GHZ &&
1729 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1730 sizeof(iftdata->he_6ghz_capa),
1731 &iftdata->he_6ghz_capa))
1732 return -ENOBUFS;
1733
f4f86505
JB		 1734 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1735 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1736 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1737 return -ENOBUFS;
1738
c4cbaf79
LC		 1739 return 0;
1740}
1741
3713b4e3 1742static int nl80211_send_band_rateinfo(struct sk_buff *msg,
f8d504ca
JB		 1743 struct ieee80211_supported_band *sband,
1744 bool large)
3713b4e3
JB		 1745{
1746 struct nlattr *nl_rates, *nl_rate;
1747 struct ieee80211_rate *rate;
1748 int i;
87bbbe22 1749
3713b4e3
JB		 1750 /* add HT info */
1751 if (sband->ht_cap.ht_supported &&
1752 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1753 sizeof(sband->ht_cap.mcs),
1754 &sband->ht_cap.mcs) ||
1755 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1756 sband->ht_cap.cap) ||
1757 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1758 sband->ht_cap.ampdu_factor) ||
1759 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1760 sband->ht_cap.ampdu_density)))
1761 return -ENOBUFS;
afe0cbf8 1762
3713b4e3
JB		 1763 /* add VHT info */
1764 if (sband->vht_cap.vht_supported &&
1765 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1766 sizeof(sband->vht_cap.vht_mcs),
1767 &sband->vht_cap.vht_mcs) ||
1768 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1769 sband->vht_cap.cap)))
1770 return -ENOBUFS;
f59ac048 1771
f8d504ca 1772 if (large && sband->n_iftype_data) {
c4cbaf79 1773 struct nlattr *nl_iftype_data =
ae0be8de
MK		 1774 nla_nest_start_noflag(msg,
1775 NL80211_BAND_ATTR_IFTYPE_DATA);
c4cbaf79
LC		 1776 int err;
1777
1778 if (!nl_iftype_data)
1779 return -ENOBUFS;
1780
1781 for (i = 0; i < sband->n_iftype_data; i++) {
1782 struct nlattr *iftdata;
1783
ae0be8de 1784 iftdata = nla_nest_start_noflag(msg, i + 1);
c4cbaf79
LC		 1785 if (!iftdata)
1786 return -ENOBUFS;
1787
22395217 1788 err = nl80211_send_iftype_data(msg, sband,
c4cbaf79
LC		 1789 &sband->iftype_data[i]);
1790 if (err)
1791 return err;
1792
1793 nla_nest_end(msg, iftdata);
1794 }
1795
1796 nla_nest_end(msg, nl_iftype_data);
1797 }
1798
2a38075c 1799 /* add EDMG info */
f8d504ca 1800 if (large && sband->edmg_cap.channels &&
2a38075c
AAL		 1801 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1802 sband->edmg_cap.channels) ||
1803 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1804 sband->edmg_cap.bw_config)))
1805
1806 return -ENOBUFS;
1807
3713b4e3 1808 /* add bitrates */
ae0be8de 1809 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
3713b4e3
JB		 1810 if (!nl_rates)
1811 return -ENOBUFS;
ee688b00 1812
3713b4e3 1813 for (i = 0; i < sband->n_bitrates; i++) {
ae0be8de 1814 nl_rate = nla_nest_start_noflag(msg, i);
3713b4e3
JB		 1815 if (!nl_rate)
1816 return -ENOBUFS;
ee688b00 1817
3713b4e3
JB		 1818 rate = &sband->bitrates[i];
1819 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1820 rate->bitrate))
1821 return -ENOBUFS;
1822 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1823 nla_put_flag(msg,
1824 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1825 return -ENOBUFS;
ee688b00 1826
3713b4e3
JB		 1827 nla_nest_end(msg, nl_rate);
1828 }
d51626df 1829
3713b4e3 1830 nla_nest_end(msg, nl_rates);
bf0c111e 1831
3713b4e3
JB		 1832 return 0;
1833}
ee688b00 1834
3713b4e3
JB		 1835static int
1836nl80211_send_mgmt_stypes(struct sk_buff *msg,
1837 const struct ieee80211_txrx_stypes *mgmt_stypes)
1838{
1839 u16 stypes;
1840 struct nlattr *nl_ftypes, *nl_ifs;
1841 enum nl80211_iftype ift;
1842 int i;
ee688b00 1843
3713b4e3
JB		 1844 if (!mgmt_stypes)
1845 return 0;
5dab3b8a 1846
ae0be8de 1847 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
3713b4e3
JB		 1848 if (!nl_ifs)
1849 return -ENOBUFS;
e2f367f2 1850
3713b4e3 1851 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1852 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1853 if (!nl_ftypes)
1854 return -ENOBUFS;
1855 i = 0;
1856 stypes = mgmt_stypes[ift].tx;
1857 while (stypes) {
1858 if ((stypes & 1) &&
1859 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1860 (i << 4) | IEEE80211_FTYPE_MGMT))
1861 return -ENOBUFS;
1862 stypes >>= 1;
1863 i++;
ee688b00 1864 }
3713b4e3
JB		 1865 nla_nest_end(msg, nl_ftypes);
1866 }
ee688b00 1867
3713b4e3 1868 nla_nest_end(msg, nl_ifs);
ee688b00 1869
ae0be8de 1870 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
3713b4e3
JB		 1871 if (!nl_ifs)
1872 return -ENOBUFS;
ee688b00 1873
3713b4e3 1874 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1875 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1876 if (!nl_ftypes)
1877 return -ENOBUFS;
1878 i = 0;
1879 stypes = mgmt_stypes[ift].rx;
1880 while (stypes) {
1881 if ((stypes & 1) &&
1882 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1883 (i << 4) | IEEE80211_FTYPE_MGMT))
1884 return -ENOBUFS;
1885 stypes >>= 1;
1886 i++;
1887 }
1888 nla_nest_end(msg, nl_ftypes);
1889 }
1890 nla_nest_end(msg, nl_ifs);
ee688b00 1891
3713b4e3
JB		 1892 return 0;
1893}
ee688b00 1894
1794899e
JB		 1895#define CMD(op, n) \
1896 do { \
1897 if (rdev->ops->op) { \
1898 i++; \
1899 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1900 goto nla_put_failure; \
1901 } \
1902 } while (0)
1903
1904static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1905 struct sk_buff *msg)
1906{
1907 int i = 0;
1908
1909 /*
1910 * do *NOT* add anything into this function, new things need to be
1911 * advertised only to new versions of userspace that can deal with
1912 * the split (and they can't possibly care about new features...
1913 */
1914 CMD(add_virtual_intf, NEW_INTERFACE);
1915 CMD(change_virtual_intf, SET_INTERFACE);
1916 CMD(add_key, NEW_KEY);
1917 CMD(start_ap, START_AP);
1918 CMD(add_station, NEW_STATION);
1919 CMD(add_mpath, NEW_MPATH);
1920 CMD(update_mesh_config, SET_MESH_CONFIG);
1921 CMD(change_bss, SET_BSS);
1922 CMD(auth, AUTHENTICATE);
1923 CMD(assoc, ASSOCIATE);
1924 CMD(deauth, DEAUTHENTICATE);
1925 CMD(disassoc, DISASSOCIATE);
1926 CMD(join_ibss, JOIN_IBSS);
1927 CMD(join_mesh, JOIN_MESH);
1928 CMD(set_pmksa, SET_PMKSA);
1929 CMD(del_pmksa, DEL_PMKSA);
1930 CMD(flush_pmksa, FLUSH_PMKSA);
1931 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1932 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1933 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1934 CMD(mgmt_tx, FRAME);
1935 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1936 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1937 i++;
1938 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1939 goto nla_put_failure;
1940 }
1941 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1942 rdev->ops->join_mesh) {
1943 i++;
1944 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1945 goto nla_put_failure;
1946 }
1794899e
JB		 1947 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1948 CMD(tdls_mgmt, TDLS_MGMT);
1949 CMD(tdls_oper, TDLS_OPER);
1950 }
ca986ad9 1951 if (rdev->wiphy.max_sched_scan_reqs)
1794899e
JB		 1952 CMD(sched_scan_start, START_SCHED_SCAN);
1953 CMD(probe_client, PROBE_CLIENT);
1954 CMD(set_noack_map, SET_NOACK_MAP);
1955 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1956 i++;
1957 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1958 goto nla_put_failure;
1959 }
1960 CMD(start_p2p_device, START_P2P_DEVICE);
1961 CMD(set_mcast_rate, SET_MCAST_RATE);
1962#ifdef CONFIG_NL80211_TESTMODE
1963 CMD(testmode_cmd, TESTMODE);
1964#endif
1965
1966 if (rdev->ops->connect || rdev->ops->auth) {
1967 i++;
1968 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1969 goto nla_put_failure;
1970 }
1971
1972 if (rdev->ops->disconnect || rdev->ops->deauth) {
1973 i++;
1974 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1975 goto nla_put_failure;
1976 }
1977
1978 return i;
1979 nla_put_failure:
1980 return -ENOBUFS;
1981}
1982
9bb7e0f2
JB		 1983static int
1984nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1985 struct sk_buff *msg)
1986{
1987 struct nlattr *ftm;
1988
1989 if (!cap->ftm.supported)
1990 return 0;
1991
ae0be8de 1992 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
9bb7e0f2
JB		 1993 if (!ftm)
1994 return -ENOBUFS;
1995
1996 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1997 return -ENOBUFS;
1998 if (cap->ftm.non_asap &&
1999 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2000 return -ENOBUFS;
2001 if (cap->ftm.request_lci &&
2002 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2003 return -ENOBUFS;
2004 if (cap->ftm.request_civicloc &&
2005 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2006 return -ENOBUFS;
2007 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2008 cap->ftm.preambles))
2009 return -ENOBUFS;
2010 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2011 cap->ftm.bandwidths))
2012 return -ENOBUFS;
2013 if (cap->ftm.max_bursts_exponent >= 0 &&
2014 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2015 cap->ftm.max_bursts_exponent))
2016 return -ENOBUFS;
2017 if (cap->ftm.max_ftms_per_burst &&
2018 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2019 cap->ftm.max_ftms_per_burst))
2020 return -ENOBUFS;
efb5520d
AS		 2021 if (cap->ftm.trigger_based &&
2022 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2023 return -ENOBUFS;
2024 if (cap->ftm.non_trigger_based &&
2025 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2026 return -ENOBUFS;
9bb7e0f2
JB		 2027
2028 nla_nest_end(msg, ftm);
2029 return 0;
2030}
2031
2032static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2033 struct sk_buff *msg)
2034{
2035 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2036 struct nlattr *pmsr, *caps;
2037
2038 if (!cap)
2039 return 0;
2040
2041 /*
2042 * we don't need to clean up anything here since the caller
2043 * will genlmsg_cancel() if we fail
2044 */
2045
ae0be8de 2046 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
9bb7e0f2
JB		 2047 if (!pmsr)
2048 return -ENOBUFS;
2049
2050 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2051 return -ENOBUFS;
2052
2053 if (cap->report_ap_tsf &&
2054 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2055 return -ENOBUFS;
2056
2057 if (cap->randomize_mac_addr &&
2058 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2059 return -ENOBUFS;
2060
ae0be8de 2061 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
9bb7e0f2
JB		 2062 if (!caps)
2063 return -ENOBUFS;
2064
2065 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2066 return -ENOBUFS;
2067
2068 nla_nest_end(msg, caps);
2069 nla_nest_end(msg, pmsr);
2070
2071 return 0;
2072}
2073
d6039a34
VJ		 2074static int
2075nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2076 struct sk_buff *msg)
2077{
2078 int i;
2079 struct nlattr *nested, *nested_akms;
2080 const struct wiphy_iftype_akm_suites *iftype_akms;
2081
2082 if (!rdev->wiphy.num_iftype_akm_suites ||
2083 !rdev->wiphy.iftype_akm_suites)
2084 return 0;
2085
2086 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2087 if (!nested)
2088 return -ENOBUFS;
2089
2090 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2091 nested_akms = nla_nest_start(msg, i + 1);
2092 if (!nested_akms)
2093 return -ENOBUFS;
2094
2095 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2096
2097 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2098 iftype_akms->iftypes_mask))
2099 return -ENOBUFS;
2100
2101 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2102 sizeof(u32) * iftype_akms->n_akm_suites,
2103 iftype_akms->akm_suites)) {
2104 return -ENOBUFS;
2105 }
2106 nla_nest_end(msg, nested_akms);
2107 }
2108
2109 nla_nest_end(msg, nested);
2110
2111 return 0;
2112}
2113
3710a8a6
JB		 2114static int
2115nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2116 struct sk_buff *msg)
2117{
2118 struct nlattr *supp;
2119
2120 if (!rdev->wiphy.tid_config_support.vif &&
2121 !rdev->wiphy.tid_config_support.peer)
2122 return 0;
2123
2124 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2125 if (!supp)
2126 return -ENOSPC;
2127
2128 if (rdev->wiphy.tid_config_support.vif &&
2129 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2130 rdev->wiphy.tid_config_support.vif,
2131 NL80211_TID_CONFIG_ATTR_PAD))
2132 goto fail;
2133
2134 if (rdev->wiphy.tid_config_support.peer &&
2135 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2136 rdev->wiphy.tid_config_support.peer,
2137 NL80211_TID_CONFIG_ATTR_PAD))
2138 goto fail;
2139
6a21d16c
T		 2140 /* for now we just use the same value ... makes more sense */
2141 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2142 rdev->wiphy.tid_config_support.max_retry))
2143 goto fail;
2144 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2145 rdev->wiphy.tid_config_support.max_retry))
2146 goto fail;
2147
3710a8a6
JB		 2148 nla_nest_end(msg, supp);
2149
2150 return 0;
2151fail:
2152 nla_nest_cancel(msg, supp);
2153 return -ENOBUFS;
2154}
2155
6bdb68ce
CH		 2156static int
2157nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2158 struct sk_buff *msg)
2159{
2160 struct nlattr *sar_capa, *specs, *sub_freq_range;
2161 u8 num_freq_ranges;
2162 int i;
2163
2164 if (!rdev->wiphy.sar_capa)
2165 return 0;
2166
2167 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2168
2169 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2170 if (!sar_capa)
2171 return -ENOSPC;
2172
2173 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2174 goto fail;
2175
2176 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2177 if (!specs)
2178 goto fail;
2179
2180 /* report supported freq_ranges */
2181 for (i = 0; i < num_freq_ranges; i++) {
2182 sub_freq_range = nla_nest_start(msg, i + 1);
2183 if (!sub_freq_range)
2184 goto fail;
2185
2186 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2187 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2188 goto fail;
2189
2190 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2191 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2192 goto fail;
2193
2194 nla_nest_end(msg, sub_freq_range);
2195 }
2196
2197 nla_nest_end(msg, specs);
2198 nla_nest_end(msg, sar_capa);
2199
2200 return 0;
2201fail:
2202 nla_nest_cancel(msg, sar_capa);
2203 return -ENOBUFS;
2204}
2205
86e8cf98
JB		 2206struct nl80211_dump_wiphy_state {
2207 s64 filter_wiphy;
2208 long start;
019ae3a9 2209 long split_start, band_start, chan_start, capa_start;
86e8cf98
JB		 2210 bool split;
2211};
2212
1b8ec87a 2213static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
3bb20556 2214 enum nl80211_commands cmd,
3713b4e3 2215 struct sk_buff *msg, u32 portid, u32 seq,
86e8cf98 2216 int flags, struct nl80211_dump_wiphy_state *state)
3713b4e3
JB		 2217{
2218 void *hdr;
2219 struct nlattr *nl_bands, *nl_band;
2220 struct nlattr *nl_freqs, *nl_freq;
2221 struct nlattr *nl_cmds;
57fbcce3 2222 enum nl80211_band band;
3713b4e3
JB		 2223 struct ieee80211_channel *chan;
2224 int i;
2225 const struct ieee80211_txrx_stypes *mgmt_stypes =
1b8ec87a 2226 rdev->wiphy.mgmt_stypes;
fe1abafd 2227 u32 features;
ee688b00 2228
3bb20556 2229 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3713b4e3
JB		 2230 if (!hdr)
2231 return -ENOBUFS;
ee688b00 2232
86e8cf98
JB		 2233 if (WARN_ON(!state))
2234 return -EINVAL;
ee688b00 2235
1b8ec87a 2236 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3713b4e3 2237 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1b8ec87a 2238 wiphy_name(&rdev->wiphy)) ||
3713b4e3
JB		 2239 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2240 cfg80211_rdev_list_generation))
8fdc621d
JB		 2241 goto nla_put_failure;
2242
3bb20556
JB		 2243 if (cmd != NL80211_CMD_NEW_WIPHY)
2244 goto finish;
2245
86e8cf98 2246 switch (state->split_start) {
3713b4e3
JB		 2247 case 0:
2248 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1b8ec87a 2249 rdev->wiphy.retry_short) ||
3713b4e3 2250 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1b8ec87a 2251 rdev->wiphy.retry_long) ||
3713b4e3 2252 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1b8ec87a 2253 rdev->wiphy.frag_threshold) ||
3713b4e3 2254 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1b8ec87a 2255 rdev->wiphy.rts_threshold) ||
3713b4e3 2256 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1b8ec87a 2257 rdev->wiphy.coverage_class) ||
3713b4e3 2258 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1b8ec87a 2259 rdev->wiphy.max_scan_ssids) ||
3713b4e3 2260 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1b8ec87a 2261 rdev->wiphy.max_sched_scan_ssids) ||
3713b4e3 2262 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1b8ec87a 2263 rdev->wiphy.max_scan_ie_len) ||
3713b4e3 2264 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1b8ec87a 2265 rdev->wiphy.max_sched_scan_ie_len) ||
3713b4e3 2266 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
f8d504ca 2267 rdev->wiphy.max_match_sets))
9360ffd1 2268 goto nla_put_failure;
3713b4e3 2269
1b8ec87a 2270 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
3713b4e3 2271 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
aa430da4 2272 goto nla_put_failure;
1b8ec87a 2273 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
3713b4e3
JB		 2274 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2275 goto nla_put_failure;
1b8ec87a 2276 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3713b4e3
JB		 2277 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2278 goto nla_put_failure;
1b8ec87a 2279 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
3713b4e3
JB		 2280 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2281 goto nla_put_failure;
1b8ec87a 2282 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
3713b4e3
JB		 2283 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2284 goto nla_put_failure;
1b8ec87a 2285 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
3713b4e3 2286 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
9360ffd1 2287 goto nla_put_failure;
86e8cf98
JB		 2288 state->split_start++;
2289 if (state->split)
3713b4e3 2290 break;
7b506ff6 2291 fallthrough;
3713b4e3
JB		 2292 case 1:
2293 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1b8ec87a
ZG		 2294 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2295 rdev->wiphy.cipher_suites))
3713b4e3 2296 goto nla_put_failure;
4745fc09 2297
3713b4e3 2298 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1b8ec87a 2299 rdev->wiphy.max_num_pmkids))
3713b4e3 2300 goto nla_put_failure;
b23aa676 2301
1b8ec87a 2302 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
3713b4e3 2303 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
9360ffd1 2304 goto nla_put_failure;
b23aa676 2305
3713b4e3 2306 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1b8ec87a 2307 rdev->wiphy.available_antennas_tx) ||
3713b4e3 2308 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1b8ec87a 2309 rdev->wiphy.available_antennas_rx))
9360ffd1 2310 goto nla_put_failure;
b23aa676 2311
1b8ec87a 2312 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
3713b4e3 2313 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1b8ec87a 2314 rdev->wiphy.probe_resp_offload))
3713b4e3 2315 goto nla_put_failure;
8fdc621d 2316
1b8ec87a
ZG		 2317 if ((rdev->wiphy.available_antennas_tx ||
2318 rdev->wiphy.available_antennas_rx) &&
2319 rdev->ops->get_antenna) {
3713b4e3
JB		 2320 u32 tx_ant = 0, rx_ant = 0;
2321 int res;
7a087e74 2322
1b8ec87a 2323 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
3713b4e3
JB		 2324 if (!res) {
2325 if (nla_put_u32(msg,
2326 NL80211_ATTR_WIPHY_ANTENNA_TX,
2327 tx_ant) ||
2328 nla_put_u32(msg,
2329 NL80211_ATTR_WIPHY_ANTENNA_RX,
2330 rx_ant))
2331 goto nla_put_failure;
2332 }
2333 }
a293911d 2334
86e8cf98
JB		 2335 state->split_start++;
2336 if (state->split)
3713b4e3 2337 break;
7b506ff6 2338 fallthrough;
3713b4e3
JB		 2339 case 2:
2340 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1b8ec87a 2341 rdev->wiphy.interface_modes))
3713b4e3 2342 goto nla_put_failure;
86e8cf98
JB		 2343 state->split_start++;
2344 if (state->split)
3713b4e3 2345 break;
7b506ff6 2346 fallthrough;
3713b4e3 2347 case 3:
ae0be8de
MK		 2348 nl_bands = nla_nest_start_noflag(msg,
2349 NL80211_ATTR_WIPHY_BANDS);
3713b4e3
JB		 2350 if (!nl_bands)
2351 goto nla_put_failure;
f7ca38df 2352
86e8cf98 2353 for (band = state->band_start;
57fbcce3 2354 band < NUM_NL80211_BANDS; band++) {
3713b4e3 2355 struct ieee80211_supported_band *sband;
2e161f78 2356
f8d504ca
JB		 2357 /* omit higher bands for ancient software */
2358 if (band > NL80211_BAND_5GHZ && !state->split)
2359 break;
2360
1b8ec87a 2361 sband = rdev->wiphy.bands[band];
2e161f78 2362
3713b4e3
JB		 2363 if (!sband)
2364 continue;
2365
ae0be8de 2366 nl_band = nla_nest_start_noflag(msg, band);
3713b4e3 2367 if (!nl_band)
2e161f78 2368 goto nla_put_failure;
3713b4e3 2369
86e8cf98 2370 switch (state->chan_start) {
3713b4e3 2371 case 0:
f8d504ca
JB		 2372 if (nl80211_send_band_rateinfo(msg, sband,
2373 state->split))
9360ffd1 2374 goto nla_put_failure;
86e8cf98
JB		 2375 state->chan_start++;
2376 if (state->split)
3713b4e3 2377 break;
7b506ff6 2378 fallthrough;
3713b4e3
JB		 2379 default:
2380 /* add frequencies */
ae0be8de
MK		 2381 nl_freqs = nla_nest_start_noflag(msg,
2382 NL80211_BAND_ATTR_FREQS);
3713b4e3
JB		 2383 if (!nl_freqs)
2384 goto nla_put_failure;
2385
86e8cf98 2386 for (i = state->chan_start - 1;
3713b4e3
JB		 2387 i < sband->n_channels;
2388 i++) {
ae0be8de
MK		 2389 nl_freq = nla_nest_start_noflag(msg,
2390 i);
3713b4e3
JB		 2391 if (!nl_freq)
2392 goto nla_put_failure;
2393
2394 chan = &sband->channels[i];
2395
86e8cf98 2396 if (nl80211_msg_put_channel(
50f32718 2397 msg, &rdev->wiphy, chan,
86e8cf98 2398 state->split))
3713b4e3
JB		 2399 goto nla_put_failure;
2400
2401 nla_nest_end(msg, nl_freq);
86e8cf98 2402 if (state->split)
3713b4e3
JB		 2403 break;
2404 }
2405 if (i < sband->n_channels)
86e8cf98 2406 state->chan_start = i + 2;
3713b4e3 2407 else
86e8cf98 2408 state->chan_start = 0;
3713b4e3
JB		 2409 nla_nest_end(msg, nl_freqs);
2410 }
2411
2412 nla_nest_end(msg, nl_band);
2413
86e8cf98 2414 if (state->split) {
3713b4e3 2415 /* start again here */
86e8cf98 2416 if (state->chan_start)
3713b4e3
JB		 2417 band--;
2418 break;
2e161f78 2419 }
2e161f78 2420 }
3713b4e3 2421 nla_nest_end(msg, nl_bands);
2e161f78 2422
57fbcce3 2423 if (band < NUM_NL80211_BANDS)
86e8cf98 2424 state->band_start = band + 1;
3713b4e3 2425 else
86e8cf98 2426 state->band_start = 0;
74b70a4e 2427
3713b4e3 2428 /* if bands & channels are done, continue outside */
86e8cf98
JB		 2429 if (state->band_start == 0 && state->chan_start == 0)
2430 state->split_start++;
2431 if (state->split)
3713b4e3 2432 break;
7b506ff6 2433 fallthrough;
3713b4e3 2434 case 4:
ae0be8de
MK		 2435 nl_cmds = nla_nest_start_noflag(msg,
2436 NL80211_ATTR_SUPPORTED_COMMANDS);
3713b4e3 2437 if (!nl_cmds)
2e161f78
JB		 2438 goto nla_put_failure;
2439
1794899e
JB		 2440 i = nl80211_add_commands_unsplit(rdev, msg);
2441 if (i < 0)
2442 goto nla_put_failure;
86e8cf98 2443 if (state->split) {
5de17984
AS		 2444 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2445 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1b8ec87a 2446 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
16ef1fe2 2447 CMD(channel_switch, CHANNEL_SWITCH);
02df00eb 2448 CMD(set_qos_map, SET_QOS_MAP);
723e73ac
JB		 2449 if (rdev->wiphy.features &
2450 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
960d01ac 2451 CMD(add_tx_ts, ADD_TX_TS);
ce0ce13a 2452 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
088e8df8 2453 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
7010998c 2454 CMD(update_ft_ies, UPDATE_FT_IES);
6bdb68ce
CH		 2455 if (rdev->wiphy.sar_capa)
2456 CMD(set_sar_specs, SET_SAR_SPECS);
5de17984 2457 }
3713b4e3 2458#undef CMD
ff1b6e69 2459
3713b4e3 2460 nla_nest_end(msg, nl_cmds);
86e8cf98
JB		 2461 state->split_start++;
2462 if (state->split)
3713b4e3 2463 break;
7b506ff6 2464 fallthrough;
3713b4e3 2465 case 5:
1b8ec87a
ZG		 2466 if (rdev->ops->remain_on_channel &&
2467 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
3713b4e3
JB		 2468 nla_put_u32(msg,
2469 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1b8ec87a 2470 rdev->wiphy.max_remain_on_channel_duration))
3713b4e3
JB		 2471 goto nla_put_failure;
2472
1b8ec87a 2473 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
3713b4e3
JB		 2474 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2475 goto nla_put_failure;
2476
86e8cf98
JB		 2477 state->split_start++;
2478 if (state->split)
3713b4e3 2479 break;
7b506ff6 2480 fallthrough;
3713b4e3
JB		 2481 case 6:
2482#ifdef CONFIG_PM
1b8ec87a 2483 if (nl80211_send_wowlan(msg, rdev, state->split))
3713b4e3 2484 goto nla_put_failure;
86e8cf98
JB		 2485 state->split_start++;
2486 if (state->split)
3713b4e3
JB		 2487 break;
2488#else
86e8cf98 2489 state->split_start++;
dfb89c56 2490#endif
7b506ff6 2491 fallthrough;
3713b4e3
JB		 2492 case 7:
2493 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1b8ec87a 2494 rdev->wiphy.software_iftypes))
3713b4e3 2495 goto nla_put_failure;
ff1b6e69 2496
1b8ec87a 2497 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
86e8cf98 2498 state->split))
3713b4e3 2499 goto nla_put_failure;
7527a782 2500
86e8cf98
JB		 2501 state->split_start++;
2502 if (state->split)
3713b4e3 2503 break;
7b506ff6 2504 fallthrough;
3713b4e3 2505 case 8:
1b8ec87a 2506 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
3713b4e3 2507 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1b8ec87a 2508 rdev->wiphy.ap_sme_capa))
3713b4e3 2509 goto nla_put_failure;
7527a782 2510
1b8ec87a 2511 features = rdev->wiphy.features;
fe1abafd
JB		 2512 /*
2513 * We can only add the per-channel limit information if the
2514 * dump is split, otherwise it makes it too big. Therefore
2515 * only advertise it in that case.
2516 */
86e8cf98 2517 if (state->split)
fe1abafd
JB		 2518 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2519 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
3713b4e3 2520 goto nla_put_failure;
562a7480 2521
1b8ec87a 2522 if (rdev->wiphy.ht_capa_mod_mask &&
3713b4e3 2523 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1b8ec87a
ZG		 2524 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2525 rdev->wiphy.ht_capa_mod_mask))
3713b4e3 2526 goto nla_put_failure;
1f074bd8 2527
1b8ec87a
ZG		 2528 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2529 rdev->wiphy.max_acl_mac_addrs &&
3713b4e3 2530 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1b8ec87a 2531 rdev->wiphy.max_acl_mac_addrs))
3713b4e3 2532 goto nla_put_failure;
7e7c8926 2533
3713b4e3
JB		 2534 /*
2535 * Any information below this point is only available to
2536 * applications that can deal with it being split. This
2537 * helps ensure that newly added capabilities don't break
2538 * older tools by overrunning their buffers.
2539 *
2540 * We still increment split_start so that in the split
2541 * case we'll continue with more data in the next round,
2542 * but break unconditionally so unsplit data stops here.
2543 */
ab10c22b
JB		 2544 if (state->split)
2545 state->split_start++;
2546 else
2547 state->split_start = 0;
3713b4e3
JB		 2548 break;
2549 case 9:
f8d504ca
JB		 2550 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2551 goto nla_put_failure;
2552
2553 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2554 rdev->wiphy.max_sched_scan_plans) ||
2555 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2556 rdev->wiphy.max_sched_scan_plan_interval) ||
2557 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2558 rdev->wiphy.max_sched_scan_plan_iterations))
2559 goto nla_put_failure;
2560
1b8ec87a 2561 if (rdev->wiphy.extended_capabilities &&
fe1abafd 2562 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1b8ec87a
ZG		 2563 rdev->wiphy.extended_capabilities_len,
2564 rdev->wiphy.extended_capabilities) ||
fe1abafd 2565 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1b8ec87a
ZG		 2566 rdev->wiphy.extended_capabilities_len,
2567 rdev->wiphy.extended_capabilities_mask)))
fe1abafd 2568 goto nla_put_failure;
a50df0c4 2569
1b8ec87a 2570 if (rdev->wiphy.vht_capa_mod_mask &&
ee2aca34 2571 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1b8ec87a
ZG		 2572 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2573 rdev->wiphy.vht_capa_mod_mask))
ee2aca34
JB		 2574 goto nla_put_failure;
2575
ae6fa4d5
DK		 2576 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2577 rdev->wiphy.perm_addr))
2578 goto nla_put_failure;
2579
2580 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2581 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2582 rdev->wiphy.addr_mask))
2583 goto nla_put_failure;
2584
2585 if (rdev->wiphy.n_addresses > 1) {
2586 void *attr;
2587
2588 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2589 if (!attr)
2590 goto nla_put_failure;
2591
2592 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2593 if (nla_put(msg, i + 1, ETH_ALEN,
2594 rdev->wiphy.addresses[i].addr))
2595 goto nla_put_failure;
2596
2597 nla_nest_end(msg, attr);
2598 }
2599
be29b99a
AK		 2600 state->split_start++;
2601 break;
2602 case 10:
1b8ec87a 2603 if (nl80211_send_coalesce(msg, rdev))
be29b99a
AK		 2604 goto nla_put_failure;
2605
1b8ec87a 2606 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
01e0daa4
FF		 2607 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2608 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2609 goto nla_put_failure;
b43504cf 2610
1b8ec87a 2611 if (rdev->wiphy.max_ap_assoc_sta &&
b43504cf 2612 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1b8ec87a 2613 rdev->wiphy.max_ap_assoc_sta))
b43504cf
JM		 2614 goto nla_put_failure;
2615
ad7e718c
JB		 2616 state->split_start++;
2617 break;
2618 case 11:
1b8ec87a 2619 if (rdev->wiphy.n_vendor_commands) {
567ffc35
JB		 2620 const struct nl80211_vendor_cmd_info *info;
2621 struct nlattr *nested;
2622
ae0be8de
MK		 2623 nested = nla_nest_start_noflag(msg,
2624 NL80211_ATTR_VENDOR_DATA);
567ffc35
JB		 2625 if (!nested)
2626 goto nla_put_failure;
2627
1b8ec87a
ZG		 2628 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2629 info = &rdev->wiphy.vendor_commands[i].info;
567ffc35
JB		 2630 if (nla_put(msg, i + 1, sizeof(*info), info))
2631 goto nla_put_failure;
2632 }
2633 nla_nest_end(msg, nested);
2634 }
2635
1b8ec87a 2636 if (rdev->wiphy.n_vendor_events) {
567ffc35
JB		 2637 const struct nl80211_vendor_cmd_info *info;
2638 struct nlattr *nested;
ad7e718c 2639
ae0be8de
MK		 2640 nested = nla_nest_start_noflag(msg,
2641 NL80211_ATTR_VENDOR_EVENTS);
567ffc35 2642 if (!nested)
ad7e718c 2643 goto nla_put_failure;
567ffc35 2644
1b8ec87a
ZG		 2645 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2646 info = &rdev->wiphy.vendor_events[i];
567ffc35
JB		 2647 if (nla_put(msg, i + 1, sizeof(*info), info))
2648 goto nla_put_failure;
2649 }
2650 nla_nest_end(msg, nested);
2651 }
9a774c78
AO		 2652 state->split_start++;
2653 break;
2654 case 12:
2655 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2656 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2657 rdev->wiphy.max_num_csa_counters))
2658 goto nla_put_failure;
01e0daa4 2659
1bdd716c
AN		 2660 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2661 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2662 goto nla_put_failure;
2663
ca986ad9
AVS		 2664 if (rdev->wiphy.max_sched_scan_reqs &&
2665 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2666 rdev->wiphy.max_sched_scan_reqs))
2667 goto nla_put_failure;
2668
d75bb06b
GKS		 2669 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2670 sizeof(rdev->wiphy.ext_features),
2671 rdev->wiphy.ext_features))
2672 goto nla_put_failure;
2673
38de03d2
AS		 2674 if (rdev->wiphy.bss_select_support) {
2675 struct nlattr *nested;
2676 u32 bss_select_support = rdev->wiphy.bss_select_support;
2677
ae0be8de
MK		 2678 nested = nla_nest_start_noflag(msg,
2679 NL80211_ATTR_BSS_SELECT);
38de03d2
AS		 2680 if (!nested)
2681 goto nla_put_failure;
2682
2683 i = 0;
2684 while (bss_select_support) {
2685 if ((bss_select_support & 1) &&
2686 nla_put_flag(msg, i))
2687 goto nla_put_failure;
2688 i++;
2689 bss_select_support >>= 1;
2690 }
2691 nla_nest_end(msg, nested);
2692 }
2693
019ae3a9
KV		 2694 state->split_start++;
2695 break;
2696 case 13:
2697 if (rdev->wiphy.num_iftype_ext_capab &&
2698 rdev->wiphy.iftype_ext_capab) {
2699 struct nlattr *nested_ext_capab, *nested;
2700
ae0be8de
MK		 2701 nested = nla_nest_start_noflag(msg,
2702 NL80211_ATTR_IFTYPE_EXT_CAPA);
019ae3a9
KV		 2703 if (!nested)
2704 goto nla_put_failure;
2705
2706 for (i = state->capa_start;
2707 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2708 const struct wiphy_iftype_ext_capab *capab;
2709
2710 capab = &rdev->wiphy.iftype_ext_capab[i];
2711
ae0be8de
MK		 2712 nested_ext_capab = nla_nest_start_noflag(msg,
2713 i);
019ae3a9
KV		 2714 if (!nested_ext_capab ||
2715 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2716 capab->iftype) ||
2717 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2718 capab->extended_capabilities_len,
2719 capab->extended_capabilities) ||
2720 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2721 capab->extended_capabilities_len,
2722 capab->extended_capabilities_mask))
2723 goto nla_put_failure;
2724
2725 nla_nest_end(msg, nested_ext_capab);
2726 if (state->split)
2727 break;
2728 }
2729 nla_nest_end(msg, nested);
2730 if (i < rdev->wiphy.num_iftype_ext_capab) {
2731 state->capa_start = i + 1;
2732 break;
2733 }
2734 }
2735
8585989d
LC		 2736 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2737 rdev->wiphy.nan_supported_bands))
2738 goto nla_put_failure;
2739
52539ca8
THJ		 2740 if (wiphy_ext_feature_isset(&rdev->wiphy,
2741 NL80211_EXT_FEATURE_TXQS)) {
2742 struct cfg80211_txq_stats txqstats = {};
2743 int res;
2744
2745 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2746 if (!res &&
2747 !nl80211_put_txq_stats(msg, &txqstats,
2748 NL80211_ATTR_TXQ_STATS))
2749 goto nla_put_failure;
2750
2751 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2752 rdev->wiphy.txq_limit))
2753 goto nla_put_failure;
2754 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2755 rdev->wiphy.txq_memory_limit))
2756 goto nla_put_failure;
2757 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2758 rdev->wiphy.txq_quantum))
2759 goto nla_put_failure;
2760 }
2761
9bb7e0f2
JB		 2762 state->split_start++;
2763 break;
2764 case 14:
2765 if (nl80211_send_pmsr_capa(rdev, msg))
2766 goto nla_put_failure;
2767
ab4dfa20
VJ		 2768 state->split_start++;
2769 break;
2770 case 15:
2771 if (rdev->wiphy.akm_suites &&
2772 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2773 sizeof(u32) * rdev->wiphy.n_akm_suites,
2774 rdev->wiphy.akm_suites))
2775 goto nla_put_failure;
2776
d6039a34
VJ		 2777 if (nl80211_put_iftype_akm_suites(rdev, msg))
2778 goto nla_put_failure;
2779
3710a8a6
JB		 2780 if (nl80211_put_tid_config_support(rdev, msg))
2781 goto nla_put_failure;
6bdb68ce
CH		 2782 state->split_start++;
2783 break;
2784 case 16:
2785 if (nl80211_put_sar_specs(rdev, msg))
2786 goto nla_put_failure;
3710a8a6 2787
3713b4e3 2788 /* done */
86e8cf98 2789 state->split_start = 0;
3713b4e3
JB		 2790 break;
2791 }
3bb20556 2792 finish:
053c095a
JB		 2793 genlmsg_end(msg, hdr);
2794 return 0;
55682965
JB		 2795
2796 nla_put_failure:
bc3ed28c
TG		 2797 genlmsg_cancel(msg, hdr);
2798 return -EMSGSIZE;
55682965
JB		 2799}
2800
86e8cf98
JB		 2801static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2802 struct netlink_callback *cb,
2803 struct nl80211_dump_wiphy_state *state)
2804{
50508d94
JB		 2805 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2806 int ret;
2807
2808 if (!tb)
2809 return -ENOMEM;
2810
2811 ret = nlmsg_parse_deprecated(cb->nlh,
2812 GENL_HDRLEN + nl80211_fam.hdrsize,
2813 tb, nl80211_fam.maxattr,
2814 nl80211_policy, NULL);
86e8cf98 2815 /* ignore parse errors for backward compatibility */
50508d94
JB		 2816 if (ret) {
2817 ret = 0;
2818 goto out;
2819 }
86e8cf98
JB		 2820
2821 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2822 if (tb[NL80211_ATTR_WIPHY])
2823 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2824 if (tb[NL80211_ATTR_WDEV])
2825 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2826 if (tb[NL80211_ATTR_IFINDEX]) {
2827 struct net_device *netdev;
2828 struct cfg80211_registered_device *rdev;
2829 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2830
7f2b8562 2831 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
50508d94
JB		 2832 if (!netdev) {
2833 ret = -ENODEV;
2834 goto out;
2835 }
86e8cf98 2836 if (netdev->ieee80211_ptr) {
f26cbf40 2837 rdev = wiphy_to_rdev(
86e8cf98
JB		 2838 netdev->ieee80211_ptr->wiphy);
2839 state->filter_wiphy = rdev->wiphy_idx;
2840 }
86e8cf98
JB		 2841 }
2842
50508d94
JB		 2843 ret = 0;
2844out:
2845 kfree(tb);
2846 return ret;
86e8cf98
JB		 2847}
2848
55682965
JB		 2849static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2850{
645e77de 2851 int idx = 0, ret;
86e8cf98 2852 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1b8ec87a 2853 struct cfg80211_registered_device *rdev;
3a5a423b 2854
5fe231e8 2855 rtnl_lock();
86e8cf98
JB		 2856 if (!state) {
2857 state = kzalloc(sizeof(*state), GFP_KERNEL);
57ed5cd6
JL		 2858 if (!state) {
2859 rtnl_unlock();
86e8cf98 2860 return -ENOMEM;
3713b4e3 2861 }
86e8cf98
JB		 2862 state->filter_wiphy = -1;
2863 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2864 if (ret) {
2865 kfree(state);
2866 rtnl_unlock();
2867 return ret;
3713b4e3 2868 }
86e8cf98 2869 cb->args[0] = (long)state;
3713b4e3
JB		 2870 }
2871
1b8ec87a
ZG		 2872 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2873 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 2874 continue;
86e8cf98 2875 if (++idx <= state->start)
55682965 2876 continue;
86e8cf98 2877 if (state->filter_wiphy != -1 &&
1b8ec87a 2878 state->filter_wiphy != rdev->wiphy_idx)
3713b4e3
JB		 2879 continue;
2880 /* attempt to fit multiple wiphy data chunks into the skb */
2881 do {
3bb20556
JB		 2882 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2883 skb,
3713b4e3
JB		 2884 NETLINK_CB(cb->skb).portid,
2885 cb->nlh->nlmsg_seq,
86e8cf98 2886 NLM_F_MULTI, state);
3713b4e3
JB		 2887 if (ret < 0) {
2888 /*
2889 * If sending the wiphy data didn't fit (ENOBUFS
2890 * or EMSGSIZE returned), this SKB is still
2891 * empty (so it's not too big because another
2892 * wiphy dataset is already in the skb) and
2893 * we've not tried to adjust the dump allocation
2894 * yet ... then adjust the alloc size to be
2895 * bigger, and return 1 but with the empty skb.
2896 * This results in an empty message being RX'ed
2897 * in userspace, but that is ignored.
2898 *
2899 * We can then retry with the larger buffer.
2900 */
2901 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
f12cb289 2902 !skb->len && !state->split &&
3713b4e3
JB		 2903 cb->min_dump_alloc < 4096) {
2904 cb->min_dump_alloc = 4096;
f12cb289 2905 state->split_start = 0;
d98cae64 2906 rtnl_unlock();
3713b4e3
JB		 2907 return 1;
2908 }
2909 idx--;
2910 break;
645e77de 2911 }
86e8cf98 2912 } while (state->split_start > 0);
3713b4e3 2913 break;
55682965 2914 }
5fe231e8 2915 rtnl_unlock();
55682965 2916
86e8cf98 2917 state->start = idx;
55682965
JB		 2918
2919 return skb->len;
2920}
2921
86e8cf98
JB		 2922static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2923{
2924 kfree((void *)cb->args[0]);
2925 return 0;
2926}
2927
55682965
JB		 2928static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2929{
2930 struct sk_buff *msg;
1b8ec87a 2931 struct cfg80211_registered_device *rdev = info->user_ptr[0];
86e8cf98 2932 struct nl80211_dump_wiphy_state state = {};
55682965 2933
645e77de 2934 msg = nlmsg_new(4096, GFP_KERNEL);
55682965 2935 if (!msg)
4c476991 2936 return -ENOMEM;
55682965 2937
3bb20556
JB		 2938 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2939 info->snd_portid, info->snd_seq, 0,
86e8cf98 2940 &state) < 0) {
4c476991
JB		 2941 nlmsg_free(msg);
2942 return -ENOBUFS;
2943 }
55682965 2944
134e6375 2945 return genlmsg_reply(msg, info);
55682965
JB		 2946}
2947
31888487
JM		 2948static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2949 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2950 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2951 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2952 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2953 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2954};
2955
2956static int parse_txq_params(struct nlattr *tb[],
2957 struct ieee80211_txq_params *txq_params)
2958{
259d8c1e
DW		 2959 u8 ac;
2960
a3304b0a 2961 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
31888487
JM		 2962 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2963 !tb[NL80211_TXQ_ATTR_AIFS])
2964 return -EINVAL;
2965
259d8c1e 2966 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
31888487
JM		 2967 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2968 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2969 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2970 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2971
259d8c1e 2972 if (ac >= NL80211_NUM_ACS)
a3304b0a 2973 return -EINVAL;
259d8c1e 2974 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
31888487
JM		 2975 return 0;
2976}
2977
f444de05
JB		 2978static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2979{
2980 /*
e7e0517c
JB		 2981 * You can only set the channel explicitly for some interfaces,
2982 * most have their channel managed via their respective
cc1d2806
JB		 2983 * "establish a connection" command (connect, join, ...)
2984 *
2985 * For AP/GO and mesh mode, the channel can be set with the
2986 * channel userspace API, but is only stored and passed to the
2987 * low-level driver when the AP starts or the mesh is joined.
2988 * This is for backward compatibility, userspace can also give
2989 * the channel in the start-ap or join-mesh commands instead.
f444de05
JB		 2990 *
2991 * Monitors are special as they are normally slaved to
e8c9bd5b
JB		 2992 * whatever else is going on, so they have their own special
2993 * operation to set the monitor channel if possible.
f444de05
JB		 2994 */
2995 return !wdev ||
2996 wdev->iftype == NL80211_IFTYPE_AP ||
f444de05 2997 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
074ac8df
JB		 2998 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2999 wdev->iftype == NL80211_IFTYPE_P2P_GO;
f444de05
JB		 3000}
3001
9bb7e0f2
JB		 3002int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3003 struct genl_info *info,
3004 struct cfg80211_chan_def *chandef)
683b6d3b 3005{
49f9cf0e
JB		 3006 struct netlink_ext_ack *extack = info->extack;
3007 struct nlattr **attrs = info->attrs;
dbeca2ea 3008 u32 control_freq;
683b6d3b 3009
49f9cf0e 3010 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
683b6d3b
JB		 3011 return -EINVAL;
3012
942ba88b
TP		 3013 control_freq = MHZ_TO_KHZ(
3014 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3015 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3016 control_freq +=
3017 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
683b6d3b 3018
f43e5210 3019 memset(chandef, 0, sizeof(*chandef));
942ba88b 3020 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3d9d1d66 3021 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
942ba88b
TP		 3022 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3023 chandef->freq1_offset = control_freq % 1000;
3d9d1d66 3024 chandef->center_freq2 = 0;
683b6d3b
JB		 3025
3026 /* Primary channel not allowed */
49f9cf0e
JB		 3027 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3028 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3029 "Channel is disabled");
683b6d3b 3030 return -EINVAL;
49f9cf0e 3031 }
683b6d3b 3032
49f9cf0e 3033 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3d9d1d66
JB		 3034 enum nl80211_channel_type chantype;
3035
49f9cf0e 3036 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3d9d1d66
JB		 3037
3038 switch (chantype) {
3039 case NL80211_CHAN_NO_HT:
3040 case NL80211_CHAN_HT20:
3041 case NL80211_CHAN_HT40PLUS:
3042 case NL80211_CHAN_HT40MINUS:
3043 cfg80211_chandef_create(chandef, chandef->chan,
3044 chantype);
ffa4629e 3045 /* user input for center_freq is incorrect */
49f9cf0e
JB		 3046 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3047 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3048 NL_SET_ERR_MSG_ATTR(extack,
3049 attrs[NL80211_ATTR_CENTER_FREQ1],
3050 "bad center frequency 1");
ffa4629e 3051 return -EINVAL;
49f9cf0e 3052 }
ffa4629e 3053 /* center_freq2 must be zero */
49f9cf0e
JB		 3054 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3055 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3056 NL_SET_ERR_MSG_ATTR(extack,
3057 attrs[NL80211_ATTR_CENTER_FREQ2],
3058 "center frequency 2 can't be used");
ffa4629e 3059 return -EINVAL;
49f9cf0e 3060 }
3d9d1d66
JB		 3061 break;
3062 default:
49f9cf0e
JB		 3063 NL_SET_ERR_MSG_ATTR(extack,
3064 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3065 "invalid channel type");
3d9d1d66
JB		 3066 return -EINVAL;
3067 }
49f9cf0e 3068 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3d9d1d66 3069 chandef->width =
49f9cf0e 3070 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
942ba88b 3071 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3d9d1d66 3072 chandef->center_freq1 =
49f9cf0e 3073 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
942ba88b
TP		 3074 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3075 chandef->freq1_offset = nla_get_u32(
3076 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3077 else
3078 chandef->freq1_offset = 0;
3079 }
49f9cf0e 3080 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3d9d1d66 3081 chandef->center_freq2 =
49f9cf0e 3082 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3d9d1d66
JB		 3083 }
3084
2a38075c
AAL		 3085 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3086 chandef->edmg.channels =
3087 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3088
3089 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3090 chandef->edmg.bw_config =
3091 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3092 } else {
3093 chandef->edmg.bw_config = 0;
3094 chandef->edmg.channels = 0;
3095 }
3096
49f9cf0e
JB		 3097 if (!cfg80211_chandef_valid(chandef)) {
3098 NL_SET_ERR_MSG(extack, "invalid channel definition");
3d9d1d66 3099 return -EINVAL;
49f9cf0e 3100 }
3d9d1d66 3101
9f5e8f6e 3102 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
49f9cf0e
JB		 3103 IEEE80211_CHAN_DISABLED)) {
3104 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3d9d1d66 3105 return -EINVAL;
49f9cf0e 3106 }
3d9d1d66 3107
2f301ab2
SW		 3108 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3109 chandef->width == NL80211_CHAN_WIDTH_10) &&
49f9cf0e
JB		 3110 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3111 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2f301ab2 3112 return -EINVAL;
49f9cf0e 3113 }
2f301ab2 3114
683b6d3b
JB		 3115 return 0;
3116}
3117
f444de05 3118static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
e16821bc 3119 struct net_device *dev,
f444de05
JB		 3120 struct genl_info *info)
3121{
683b6d3b 3122 struct cfg80211_chan_def chandef;
f444de05 3123 int result;
e8c9bd5b 3124 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
e16821bc 3125 struct wireless_dev *wdev = NULL;
e8c9bd5b 3126
e16821bc
JM		 3127 if (dev)
3128 wdev = dev->ieee80211_ptr;
f444de05
JB		 3129 if (!nl80211_can_set_dev_channel(wdev))
3130 return -EOPNOTSUPP;
e16821bc
JM		 3131 if (wdev)
3132 iftype = wdev->iftype;
f444de05 3133
683b6d3b
JB		 3134 result = nl80211_parse_chandef(rdev, info, &chandef);
3135 if (result)
3136 return result;
f444de05 3137
e8c9bd5b 3138 switch (iftype) {
aa430da4
JB		 3139 case NL80211_IFTYPE_AP:
3140 case NL80211_IFTYPE_P2P_GO:
923b352f
AN		 3141 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3142 iftype)) {
aa430da4
JB		 3143 result = -EINVAL;
3144 break;
3145 }
e16821bc
JM		 3146 if (wdev->beacon_interval) {
3147 if (!dev || !rdev->ops->set_ap_chanwidth ||
3148 !(rdev->wiphy.features &
3149 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
3150 result = -EBUSY;
3151 break;
3152 }
3153
3154 /* Only allow dynamic channel width changes */
3155 if (chandef.chan != wdev->preset_chandef.chan) {
3156 result = -EBUSY;
3157 break;
3158 }
3159 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
3160 if (result)
3161 break;
3162 }
683b6d3b 3163 wdev->preset_chandef = chandef;
aa430da4
JB		 3164 result = 0;
3165 break;
cc1d2806 3166 case NL80211_IFTYPE_MESH_POINT:
683b6d3b 3167 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
cc1d2806 3168 break;
e8c9bd5b 3169 case NL80211_IFTYPE_MONITOR:
683b6d3b 3170 result = cfg80211_set_monitor_channel(rdev, &chandef);
e8c9bd5b 3171 break;
aa430da4 3172 default:
e8c9bd5b 3173 result = -EINVAL;
f444de05 3174 }
f444de05
JB		 3175
3176 return result;
3177}
3178
3179static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3180{
4c476991
JB		 3181 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3182 struct net_device *netdev = info->user_ptr[1];
f444de05 3183
e16821bc 3184 return __nl80211_set_channel(rdev, netdev, info);
f444de05
JB		 3185}
3186
55682965
JB		 3187static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3188{
a05829a7 3189 struct cfg80211_registered_device *rdev = NULL;
f444de05
JB		 3190 struct net_device *netdev = NULL;
3191 struct wireless_dev *wdev;
a1e567c8 3192 int result = 0, rem_txq_params = 0;
31888487 3193 struct nlattr *nl_txq_params;
b9a5f8ca
JM		 3194 u32 changed;
3195 u8 retry_short = 0, retry_long = 0;
3196 u32 frag_threshold = 0, rts_threshold = 0;
81077e82 3197 u8 coverage_class = 0;
52539ca8 3198 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
55682965 3199
a05829a7 3200 rtnl_lock();
f444de05
JB		 3201 /*
3202 * Try to find the wiphy and netdev. Normally this
3203 * function shouldn't need the netdev, but this is
3204 * done for backward compatibility -- previously
3205 * setting the channel was done per wiphy, but now
3206 * it is per netdev. Previous userland like hostapd
3207 * also passed a netdev to set_wiphy, so that it is
3208 * possible to let that go to the right netdev!
3209 */
4bbf4d56 3210
f444de05
JB		 3211 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3212 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3213
7f2b8562 3214 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
5fe231e8 3215 if (netdev && netdev->ieee80211_ptr)
f26cbf40 3216 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
5fe231e8 3217 else
f444de05 3218 netdev = NULL;
4bbf4d56
JB		 3219 }
3220
f444de05 3221 if (!netdev) {
878d9ec7
JB		 3222 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3223 info->attrs);
a05829a7
JB		 3224 if (IS_ERR(rdev)) {
3225 rtnl_unlock();
4c476991 3226 return PTR_ERR(rdev);
a05829a7 3227 }
f444de05
JB		 3228 wdev = NULL;
3229 netdev = NULL;
3230 result = 0;
71fe96bf 3231 } else
f444de05 3232 wdev = netdev->ieee80211_ptr;
f444de05 3233
a05829a7 3234 wiphy_lock(&rdev->wiphy);
a05829a7 3235
f444de05
JB		 3236 /*
3237 * end workaround code, by now the rdev is available
3238 * and locked, and wdev may or may not be NULL.
3239 */
4bbf4d56
JB		 3240
3241 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
31888487
JM		 3242 result = cfg80211_dev_rename(
3243 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
0391a45c 3244 rtnl_unlock();
4bbf4d56 3245
4bbf4d56 3246 if (result)
a05829a7 3247 goto out;
31888487
JM		 3248
3249 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3250 struct ieee80211_txq_params txq_params;
3251 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3252
a05829a7
JB		 3253 if (!rdev->ops->set_txq_params) {
3254 result = -EOPNOTSUPP;
3255 goto out;
3256 }
31888487 3257
a05829a7
JB		 3258 if (!netdev) {
3259 result = -EINVAL;
3260 goto out;
3261 }
f70f01c2 3262
133a3ff2 3263 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
a05829a7
JB		 3264 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3265 result = -EINVAL;
3266 goto out;
3267 }
133a3ff2 3268
a05829a7
JB		 3269 if (!netif_running(netdev)) {
3270 result = -ENETDOWN;
3271 goto out;
3272 }
2b5f8b0b 3273
31888487
JM		 3274 nla_for_each_nested(nl_txq_params,
3275 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3276 rem_txq_params) {
8cb08174
JB		 3277 result = nla_parse_nested_deprecated(tb,
3278 NL80211_TXQ_ATTR_MAX,
3279 nl_txq_params,
3280 txq_params_policy,
3281 info->extack);
ae811e21 3282 if (result)
a05829a7 3283 goto out;
31888487
JM		 3284 result = parse_txq_params(tb, &txq_params);
3285 if (result)
a05829a7 3286 goto out;
31888487 3287
e35e4d28
HG		 3288 result = rdev_set_txq_params(rdev, netdev,
3289 &txq_params);
31888487 3290 if (result)
a05829a7 3291 goto out;
31888487
JM		 3292 }
3293 }
55682965 3294
72bdcf34 3295 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
e16821bc
JM		 3296 result = __nl80211_set_channel(
3297 rdev,
3298 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3299 info);
72bdcf34 3300 if (result)
a05829a7 3301 goto out;
72bdcf34
JM		 3302 }
3303
98d2ff8b 3304 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
c8442118 3305 struct wireless_dev *txp_wdev = wdev;
98d2ff8b
JO		 3306 enum nl80211_tx_power_setting type;
3307 int idx, mbm = 0;
3308
c8442118
JB		 3309 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3310 txp_wdev = NULL;
3311
a05829a7
JB		 3312 if (!rdev->ops->set_tx_power) {
3313 result = -EOPNOTSUPP;
3314 goto out;
3315 }
98d2ff8b
JO		 3316
3317 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3318 type = nla_get_u32(info->attrs[idx]);
3319
3320 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
a05829a7
JB		 3321 (type != NL80211_TX_POWER_AUTOMATIC)) {
3322 result = -EINVAL;
3323 goto out;
3324 }
98d2ff8b
JO		 3325
3326 if (type != NL80211_TX_POWER_AUTOMATIC) {
3327 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3328 mbm = nla_get_u32(info->attrs[idx]);
3329 }
3330
c8442118 3331 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
98d2ff8b 3332 if (result)
a05829a7 3333 goto out;
98d2ff8b
JO		 3334 }
3335
afe0cbf8
BR		 3336 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3337 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3338 u32 tx_ant, rx_ant;
7a087e74 3339
7f531e03
BR		 3340 if ((!rdev->wiphy.available_antennas_tx &&
3341 !rdev->wiphy.available_antennas_rx) ||
a05829a7
JB		 3342 !rdev->ops->set_antenna) {
3343 result = -EOPNOTSUPP;
3344 goto out;
3345 }
afe0cbf8
BR		 3346
3347 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3348 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3349
a7ffac95 3350 /* reject antenna configurations which don't match the
7f531e03
BR		 3351 * available antenna masks, except for the "all" mask */
3352 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
a05829a7
JB		 3353 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3354 result = -EINVAL;
3355 goto out;
3356 }
a7ffac95 3357
7f531e03
BR		 3358 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3359 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
a7ffac95 3360
e35e4d28 3361 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
afe0cbf8 3362 if (result)
a05829a7 3363 goto out;
afe0cbf8
BR		 3364 }
3365
b9a5f8ca
JM		 3366 changed = 0;
3367
3368 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3369 retry_short = nla_get_u8(
3370 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
7f2b8562 3371
b9a5f8ca
JM		 3372 changed |= WIPHY_PARAM_RETRY_SHORT;
3373 }
3374
3375 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3376 retry_long = nla_get_u8(
3377 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
7f2b8562 3378
b9a5f8ca
JM		 3379 changed |= WIPHY_PARAM_RETRY_LONG;
3380 }
3381
3382 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3383 frag_threshold = nla_get_u32(
3384 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
a05829a7
JB		 3385 if (frag_threshold < 256) {
3386 result = -EINVAL;
3387 goto out;
3388 }
7f2b8562 3389
b9a5f8ca
JM		 3390 if (frag_threshold != (u32) -1) {
3391 /*
3392 * Fragments (apart from the last one) are required to
3393 * have even length. Make the fragmentation code
3394 * simpler by stripping LSB should someone try to use
3395 * odd threshold value.
3396 */
3397 frag_threshold &= ~0x1;
3398 }
3399 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3400 }
3401
3402 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3403 rts_threshold = nla_get_u32(
3404 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3405 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3406 }
3407
81077e82 3408 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
a05829a7
JB		 3409 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3410 result = -EINVAL;
3411 goto out;
3412 }
3057dbfd 3413
81077e82
LT		 3414 coverage_class = nla_get_u8(
3415 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3416 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3417 }
3418
3057dbfd 3419 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
a05829a7
JB		 3420 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3421 result = -EOPNOTSUPP;
3422 goto out;
3423 }
3057dbfd
LB		 3424
3425 changed |= WIPHY_PARAM_DYN_ACK;
81077e82
LT		 3426 }
3427
52539ca8
THJ		 3428 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3429 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3430 NL80211_EXT_FEATURE_TXQS)) {
3431 result = -EOPNOTSUPP;
3432 goto out;
3433 }
52539ca8
THJ		 3434 txq_limit = nla_get_u32(
3435 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3436 changed |= WIPHY_PARAM_TXQ_LIMIT;
3437 }
3438
3439 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3440 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3441 NL80211_EXT_FEATURE_TXQS)) {
3442 result = -EOPNOTSUPP;
3443 goto out;
3444 }
52539ca8
THJ		 3445 txq_memory_limit = nla_get_u32(
3446 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3447 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3448 }
3449
3450 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3451 if (!wiphy_ext_feature_isset(&rdev->wiphy,
a05829a7
JB		 3452 NL80211_EXT_FEATURE_TXQS)) {
3453 result = -EOPNOTSUPP;
3454 goto out;
3455 }
52539ca8
THJ		 3456 txq_quantum = nla_get_u32(
3457 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3458 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3459 }
3460
b9a5f8ca
JM		 3461 if (changed) {
3462 u8 old_retry_short, old_retry_long;
3463 u32 old_frag_threshold, old_rts_threshold;
81077e82 3464 u8 old_coverage_class;
52539ca8 3465 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
b9a5f8ca 3466
a05829a7
JB		 3467 if (!rdev->ops->set_wiphy_params) {
3468 result = -EOPNOTSUPP;
3469 goto out;
3470 }
b9a5f8ca
JM		 3471
3472 old_retry_short = rdev->wiphy.retry_short;
3473 old_retry_long = rdev->wiphy.retry_long;
3474 old_frag_threshold = rdev->wiphy.frag_threshold;
3475 old_rts_threshold = rdev->wiphy.rts_threshold;
81077e82 3476 old_coverage_class = rdev->wiphy.coverage_class;
52539ca8
THJ		 3477 old_txq_limit = rdev->wiphy.txq_limit;
3478 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3479 old_txq_quantum = rdev->wiphy.txq_quantum;
b9a5f8ca
JM		 3480
3481 if (changed & WIPHY_PARAM_RETRY_SHORT)
3482 rdev->wiphy.retry_short = retry_short;
3483 if (changed & WIPHY_PARAM_RETRY_LONG)
3484 rdev->wiphy.retry_long = retry_long;
3485 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3486 rdev->wiphy.frag_threshold = frag_threshold;
3487 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3488 rdev->wiphy.rts_threshold = rts_threshold;
81077e82
LT		 3489 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3490 rdev->wiphy.coverage_class = coverage_class;
52539ca8
THJ		 3491 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3492 rdev->wiphy.txq_limit = txq_limit;
3493 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3494 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3495 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3496 rdev->wiphy.txq_quantum = txq_quantum;
b9a5f8ca 3497
e35e4d28 3498 result = rdev_set_wiphy_params(rdev, changed);
b9a5f8ca
JM		 3499 if (result) {
3500 rdev->wiphy.retry_short = old_retry_short;
3501 rdev->wiphy.retry_long = old_retry_long;
3502 rdev->wiphy.frag_threshold = old_frag_threshold;
3503 rdev->wiphy.rts_threshold = old_rts_threshold;
81077e82 3504 rdev->wiphy.coverage_class = old_coverage_class;
52539ca8
THJ		 3505 rdev->wiphy.txq_limit = old_txq_limit;
3506 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3507 rdev->wiphy.txq_quantum = old_txq_quantum;
a05829a7 3508 goto out;
b9a5f8ca
JM		 3509 }
3510 }
a05829a7
JB		 3511
3512 result = 0;
3513
3514out:
3515 wiphy_unlock(&rdev->wiphy);
3516 return result;
55682965
JB		 3517}
3518
683b6d3b 3519static int nl80211_send_chandef(struct sk_buff *msg,
d2859df5 3520 const struct cfg80211_chan_def *chandef)
683b6d3b 3521{
601555cd
JB		 3522 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3523 return -EINVAL;
3d9d1d66 3524
683b6d3b
JB		 3525 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3526 chandef->chan->center_freq))
3527 return -ENOBUFS;
942ba88b
TP		 3528 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3529 chandef->chan->freq_offset))
3530 return -ENOBUFS;
3d9d1d66
JB		 3531 switch (chandef->width) {
3532 case NL80211_CHAN_WIDTH_20_NOHT:
3533 case NL80211_CHAN_WIDTH_20:
3534 case NL80211_CHAN_WIDTH_40:
3535 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3536 cfg80211_get_chandef_type(chandef)))
3537 return -ENOBUFS;
3538 break;
3539 default:
3540 break;
3541 }
3542 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3543 return -ENOBUFS;
3544 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3545 return -ENOBUFS;
3546 if (chandef->center_freq2 &&
3547 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
683b6d3b
JB		 3548 return -ENOBUFS;
3549 return 0;
3550}
3551
15e47304 3552static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
d726405a 3553 struct cfg80211_registered_device *rdev,
3d1a5bbf
AZ		 3554 struct wireless_dev *wdev,
3555 enum nl80211_commands cmd)
55682965 3556{
72fb2abc 3557 struct net_device *dev = wdev->netdev;
55682965
JB		 3558 void *hdr;
3559
3d1a5bbf
AZ		 3560 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3561 cmd != NL80211_CMD_DEL_INTERFACE &&
3562 cmd != NL80211_CMD_SET_INTERFACE);
8f894be2
TB		 3563
3564 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
55682965
JB		 3565 if (!hdr)
3566 return -1;
3567
72fb2abc
JB		 3568 if (dev &&
3569 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
98104fde 3570 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
72fb2abc
JB		 3571 goto nla_put_failure;
3572
3573 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3574 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2dad624e
ND		 3575 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3576 NL80211_ATTR_PAD) ||
98104fde 3577 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
9360ffd1
DM		 3578 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3579 rdev->devlist_generation ^
446faa15
AQ		 3580 (cfg80211_rdev_list_generation << 2)) ||
3581 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
9360ffd1 3582 goto nla_put_failure;
f5ea9120 3583
5b7ccaf3 3584 if (rdev->ops->get_channel) {
683b6d3b 3585 int ret;
f43e5210 3586 struct cfg80211_chan_def chandef = {};
683b6d3b
JB		 3587
3588 ret = rdev_get_channel(rdev, wdev, &chandef);
3589 if (ret == 0) {
3590 if (nl80211_send_chandef(msg, &chandef))
3591 goto nla_put_failure;
3592 }
d91df0e3
PF		 3593 }
3594
d55d0d59
RM		 3595 if (rdev->ops->get_tx_power) {
3596 int dbm, ret;
3597
3598 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3599 if (ret == 0 &&
3600 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3601 DBM_TO_MBM(dbm)))
3602 goto nla_put_failure;
3603 }
3604
44905265
JB		 3605 wdev_lock(wdev);
3606 switch (wdev->iftype) {
3607 case NL80211_IFTYPE_AP:
3608 if (wdev->ssid_len &&
3609 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
4564b187 3610 goto nla_put_failure_locked;
44905265
JB		 3611 break;
3612 case NL80211_IFTYPE_STATION:
3613 case NL80211_IFTYPE_P2P_CLIENT:
3614 case NL80211_IFTYPE_ADHOC: {
3615 const u8 *ssid_ie;
3616 if (!wdev->current_bss)
3617 break;
7a94b8c2 3618 rcu_read_lock();
44905265
JB		 3619 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3620 WLAN_EID_SSID);
7a94b8c2
DB		 3621 if (ssid_ie &&
3622 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3623 goto nla_put_failure_rcu_locked;
3624 rcu_read_unlock();
44905265
JB		 3625 break;
3626 }
3627 default:
3628 /* nothing */
3629 break;
b84e7a05 3630 }
44905265 3631 wdev_unlock(wdev);
b84e7a05 3632
52539ca8
THJ		 3633 if (rdev->ops->get_txq_stats) {
3634 struct cfg80211_txq_stats txqstats = {};
3635 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3636
3637 if (ret == 0 &&
3638 !nl80211_put_txq_stats(msg, &txqstats,
3639 NL80211_ATTR_TXQ_STATS))
3640 goto nla_put_failure;
3641 }
3642
053c095a
JB		 3643 genlmsg_end(msg, hdr);
3644 return 0;
55682965 3645
7a94b8c2
DB		 3646 nla_put_failure_rcu_locked:
3647 rcu_read_unlock();
4564b187
JB		 3648 nla_put_failure_locked:
3649 wdev_unlock(wdev);
55682965 3650 nla_put_failure:
bc3ed28c
TG		 3651 genlmsg_cancel(msg, hdr);
3652 return -EMSGSIZE;
55682965
JB		 3653}
3654
3655static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3656{
3657 int wp_idx = 0;
3658 int if_idx = 0;
3659 int wp_start = cb->args[0];
3660 int if_start = cb->args[1];
b7fb44da 3661 int filter_wiphy = -1;
f5ea9120 3662 struct cfg80211_registered_device *rdev;
55682965 3663 struct wireless_dev *wdev;
ea90e0dc 3664 int ret;
55682965 3665
5fe231e8 3666 rtnl_lock();
b7fb44da
DK		 3667 if (!cb->args[2]) {
3668 struct nl80211_dump_wiphy_state state = {
3669 .filter_wiphy = -1,
3670 };
b7fb44da
DK		 3671
3672 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3673 if (ret)
ea90e0dc 3674 goto out_unlock;
b7fb44da
DK		 3675
3676 filter_wiphy = state.filter_wiphy;
3677
3678 /*
3679 * if filtering, set cb->args[2] to +1 since 0 is the default
3680 * value needed to determine that parsing is necessary.
3681 */
3682 if (filter_wiphy >= 0)
3683 cb->args[2] = filter_wiphy + 1;
3684 else
3685 cb->args[2] = -1;
3686 } else if (cb->args[2] > 0) {
3687 filter_wiphy = cb->args[2] - 1;
3688 }
3689
f5ea9120
JB		 3690 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3691 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3692 continue;
bba95fef
JB		 3693 if (wp_idx < wp_start) {
3694 wp_idx++;
55682965 3695 continue;
bba95fef 3696 }
b7fb44da
DK		 3697
3698 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3699 continue;
3700
55682965
JB		 3701 if_idx = 0;
3702
53873f13 3703 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
bba95fef
JB		 3704 if (if_idx < if_start) {
3705 if_idx++;
55682965 3706 continue;
bba95fef 3707 }
15e47304 3708 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
55682965 3709 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3d1a5bbf
AZ		 3710 rdev, wdev,
3711 NL80211_CMD_NEW_INTERFACE) < 0) {
bba95fef
JB		 3712 goto out;
3713 }
3714 if_idx++;
55682965 3715 }
bba95fef
JB		 3716
3717 wp_idx++;
55682965 3718 }
bba95fef 3719 out:
55682965
JB		 3720 cb->args[0] = wp_idx;
3721 cb->args[1] = if_idx;
3722
ea90e0dc
JB		 3723 ret = skb->len;
3724 out_unlock:
3725 rtnl_unlock();
3726
3727 return ret;
55682965
JB		 3728}
3729
3730static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3731{
3732 struct sk_buff *msg;
1b8ec87a 3733 struct cfg80211_registered_device *rdev = info->user_ptr[0];
72fb2abc 3734 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3735
fd2120ca 3736 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965 3737 if (!msg)
4c476991 3738 return -ENOMEM;
55682965 3739
15e47304 3740 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3741 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4c476991
JB		 3742 nlmsg_free(msg);
3743 return -ENOBUFS;
3744 }
55682965 3745
134e6375 3746 return genlmsg_reply(msg, info);
55682965
JB		 3747}
3748
66f7ac50
MW		 3749static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3750 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3751 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3752 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3753 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3754 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
e057d3c3 3755 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
66f7ac50
MW		 3756};
3757
3758static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3759{
3760 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3761 int flag;
3762
3763 *mntrflags = 0;
3764
3765 if (!nla)
3766 return -EINVAL;
3767
8cb08174 3768 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
66f7ac50
MW		 3769 return -EINVAL;
3770
3771 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3772 if (flags[flag])
3773 *mntrflags |= (1<<flag);
3774
818a986e
JB		 3775 *mntrflags |= MONITOR_FLAG_CHANGED;
3776
66f7ac50
MW		 3777 return 0;
3778}
3779
1db77596
JB		 3780static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3781 enum nl80211_iftype type,
3782 struct genl_info *info,
3783 struct vif_params *params)
3784{
3785 bool change = false;
3786 int err;
3787
3788 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3789 if (type != NL80211_IFTYPE_MONITOR)
3790 return -EINVAL;
3791
3792 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3793 &params->flags);
3794 if (err)
3795 return err;
3796
3797 change = true;
3798 }
3799
3800 if (params->flags & MONITOR_FLAG_ACTIVE &&
3801 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3802 return -EOPNOTSUPP;
3803
3804 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3805 const u8 *mumimo_groups;
3806 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3807
3808 if (type != NL80211_IFTYPE_MONITOR)
3809 return -EINVAL;
3810
3811 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3812 return -EOPNOTSUPP;
3813
3814 mumimo_groups =
3815 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3816
3817 /* bits 0 and 63 are reserved and must be zero */
4954601f
JB		 3818 if ((mumimo_groups[0] & BIT(0)) ||
3819 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
1db77596
JB		 3820 return -EINVAL;
3821
3822 params->vht_mumimo_groups = mumimo_groups;
3823 change = true;
3824 }
3825
3826 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3827 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3828
3829 if (type != NL80211_IFTYPE_MONITOR)
3830 return -EINVAL;
3831
3832 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3833 return -EOPNOTSUPP;
3834
3835 params->vht_mumimo_follow_addr =
3836 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3837 change = true;
3838 }
3839
3840 return change ? 1 : 0;
3841}
3842
9bc383de 3843static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
ad4bb6f8
JB		 3844 struct net_device *netdev, u8 use_4addr,
3845 enum nl80211_iftype iftype)
9bc383de 3846{
ad4bb6f8 3847 if (!use_4addr) {
2e92a2d0 3848 if (netdev && netif_is_bridge_port(netdev))
ad4bb6f8 3849 return -EBUSY;
9bc383de 3850 return 0;
ad4bb6f8 3851 }
9bc383de
JB		 3852
3853 switch (iftype) {
3854 case NL80211_IFTYPE_AP_VLAN:
3855 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3856 return 0;
3857 break;
3858 case NL80211_IFTYPE_STATION:
3859 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3860 return 0;
3861 break;
3862 default:
3863 break;
3864 }
3865
3866 return -EOPNOTSUPP;
3867}
3868
55682965
JB		 3869static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3870{
4c476991 3871 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3872 struct vif_params params;
e36d56b6 3873 int err;
04a773ad 3874 enum nl80211_iftype otype, ntype;
4c476991 3875 struct net_device *dev = info->user_ptr[1];
ac7f9cfa 3876 bool change = false;
55682965 3877
2ec600d6
LCC		 3878 memset(&params, 0, sizeof(params));
3879
04a773ad 3880 otype = ntype = dev->ieee80211_ptr->iftype;
55682965 3881
723b038d 3882 if (info->attrs[NL80211_ATTR_IFTYPE]) {
ac7f9cfa 3883 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
04a773ad 3884 if (otype != ntype)
ac7f9cfa 3885 change = true;
723b038d
JB		 3886 }
3887
92ffe055 3888 if (info->attrs[NL80211_ATTR_MESH_ID]) {
29cbe68c
JB		 3889 struct wireless_dev *wdev = dev->ieee80211_ptr;
3890
4c476991
JB		 3891 if (ntype != NL80211_IFTYPE_MESH_POINT)
3892 return -EINVAL;
29cbe68c
JB		 3893 if (netif_running(dev))
3894 return -EBUSY;
3895
3896 wdev_lock(wdev);
3897 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3898 IEEE80211_MAX_MESH_ID_LEN);
3899 wdev->mesh_id_up_len =
3900 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3901 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3902 wdev->mesh_id_up_len);
3903 wdev_unlock(wdev);
2ec600d6
LCC		 3904 }
3905
8b787643
FF		 3906 if (info->attrs[NL80211_ATTR_4ADDR]) {
3907 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3908 change = true;
ad4bb6f8 3909 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
9bc383de 3910 if (err)
4c476991 3911 return err;
8b787643
FF		 3912 } else {
3913 params.use_4addr = -1;
3914 }
3915
1db77596
JB		 3916 err = nl80211_parse_mon_options(rdev, ntype, info, &params);
3917 if (err < 0)
3918 return err;
3919 if (err > 0)
c6e6a0c8 3920 change = true;
e057d3c3 3921
ac7f9cfa 3922 if (change)
818a986e 3923 err = cfg80211_change_iface(rdev, dev, ntype, &params);
ac7f9cfa
JB		 3924 else
3925 err = 0;
60719ffd 3926
9bc383de
JB		 3927 if (!err && params.use_4addr != -1)
3928 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3929
3d1a5bbf
AZ		 3930 if (change && !err) {
3931 struct wireless_dev *wdev = dev->ieee80211_ptr;
3932
3933 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3934 }
3935
55682965
JB		 3936 return err;
3937}
3938
ea6b2098 3939static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
55682965 3940{
4c476991 3941 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3942 struct vif_params params;
84efbb84 3943 struct wireless_dev *wdev;
896ff063 3944 struct sk_buff *msg;
55682965
JB		 3945 int err;
3946 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3947
2ec600d6
LCC		 3948 memset(&params, 0, sizeof(params));
3949
55682965
JB		 3950 if (!info->attrs[NL80211_ATTR_IFNAME])
3951 return -EINVAL;
3952
ab0d76f6 3953 if (info->attrs[NL80211_ATTR_IFTYPE])
55682965 3954 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
55682965 3955
33d915d9 3956 if (!rdev->ops->add_virtual_intf)
4c476991 3957 return -EOPNOTSUPP;
55682965 3958
cb3b7d87 3959 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
e8f479b1
BG		 3960 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3961 info->attrs[NL80211_ATTR_MAC]) {
1c18f145
AS		 3962 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3963 ETH_ALEN);
3964 if (!is_valid_ether_addr(params.macaddr))
3965 return -EADDRNOTAVAIL;
3966 }
3967
9bc383de 3968 if (info->attrs[NL80211_ATTR_4ADDR]) {
8b787643 3969 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
ad4bb6f8 3970 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
9bc383de 3971 if (err)
4c476991 3972 return err;
9bc383de 3973 }
8b787643 3974
e6f40511 3975 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
33d915d9
MP		 3976 return -EOPNOTSUPP;
3977
1db77596
JB		 3978 err = nl80211_parse_mon_options(rdev, type, info, &params);
3979 if (err < 0)
3980 return err;
e057d3c3 3981
a18c7192
JB		 3982 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3983 if (!msg)
3984 return -ENOMEM;
3985
e35e4d28
HG		 3986 wdev = rdev_add_virtual_intf(rdev,
3987 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
818a986e 3988 NET_NAME_USER, type, &params);
d687cbb7
RM		 3989 if (WARN_ON(!wdev)) {
3990 nlmsg_free(msg);
3991 return -EPROTO;
3992 } else if (IS_ERR(wdev)) {
1c90f9d4 3993 nlmsg_free(msg);
84efbb84 3994 return PTR_ERR(wdev);
1c90f9d4 3995 }
2ec600d6 3996
18e5ca65 3997 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
78f22b6a
JB		 3998 wdev->owner_nlportid = info->snd_portid;
3999
98104fde
JB		 4000 switch (type) {
4001 case NL80211_IFTYPE_MESH_POINT:
4002 if (!info->attrs[NL80211_ATTR_MESH_ID])
4003 break;
29cbe68c
JB		 4004 wdev_lock(wdev);
4005 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4006 IEEE80211_MAX_MESH_ID_LEN);
4007 wdev->mesh_id_up_len =
4008 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4009 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4010 wdev->mesh_id_up_len);
4011 wdev_unlock(wdev);
98104fde 4012 break;
cb3b7d87 4013 case NL80211_IFTYPE_NAN:
98104fde
JB		 4014 case NL80211_IFTYPE_P2P_DEVICE:
4015 /*
cb3b7d87 4016 * P2P Device and NAN do not have a netdev, so don't go
98104fde
JB		 4017 * through the netdev notifier and must be added here
4018 */
9bdaf3b9
JB		 4019 cfg80211_init_wdev(wdev);
4020 cfg80211_register_wdev(rdev, wdev);
98104fde
JB		 4021 break;
4022 default:
4023 break;
29cbe68c
JB		 4024 }
4025
15e47304 4026 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 4027 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
1c90f9d4
JB		 4028 nlmsg_free(msg);
4029 return -ENOBUFS;
4030 }
4031
4032 return genlmsg_reply(msg, info);
55682965
JB		 4033}
4034
ea6b2098
JB		 4035static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4036{
4037 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4038 int ret;
4039
4040 /* to avoid failing a new interface creation due to pending removal */
4041 cfg80211_destroy_ifaces(rdev);
4042
4043 wiphy_lock(&rdev->wiphy);
4044 ret = _nl80211_new_interface(skb, info);
4045 wiphy_unlock(&rdev->wiphy);
4046
4047 return ret;
4048}
4049
55682965
JB		 4050static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4051{
4c476991 4052 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84efbb84 4053 struct wireless_dev *wdev = info->user_ptr[1];
55682965 4054
4c476991
JB		 4055 if (!rdev->ops->del_virtual_intf)
4056 return -EOPNOTSUPP;
55682965 4057
a05829a7
JB		 4058 /*
4059 * We hold RTNL, so this is safe, without RTNL opencount cannot
4060 * reach 0, and thus the rdev cannot be deleted.
4061 *
4062 * We need to do it for the dev_close(), since that will call
4063 * the netdev notifiers, and we need to acquire the mutex there
4064 * but don't know if we get there from here or from some other
4065 * place (e.g. "ip link set ... down").
4066 */
4067 mutex_unlock(&rdev->wiphy.mtx);
4068
84efbb84
JB		 4069 /*
4070 * If we remove a wireless device without a netdev then clear
4071 * user_ptr[1] so that nl80211_post_doit won't dereference it
4072 * to check if it needs to do dev_put(). Otherwise it crashes
4073 * since the wdev has been freed, unlike with a netdev where
4074 * we need the dev_put() for the netdev to really be freed.
4075 */
4076 if (!wdev->netdev)
4077 info->user_ptr[1] = NULL;
a05829a7
JB		 4078 else
4079 dev_close(wdev->netdev);
4080
4081 mutex_lock(&rdev->wiphy.mtx);
84efbb84 4082
7f8ed01e 4083 return rdev_del_virtual_intf(rdev, wdev);
55682965
JB		 4084}
4085
1d9d9213
SW		 4086static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4087{
4088 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4089 struct net_device *dev = info->user_ptr[1];
4090 u16 noack_map;
4091
4092 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4093 return -EINVAL;
4094
4095 if (!rdev->ops->set_noack_map)
4096 return -EOPNOTSUPP;
4097
4098 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4099
e35e4d28 4100 return rdev_set_noack_map(rdev, dev, noack_map);
1d9d9213
SW		 4101}
4102
41ade00f
JB		 4103struct get_key_cookie {
4104 struct sk_buff *msg;
4105 int error;
b9454e83 4106 int idx;
41ade00f
JB		 4107};
4108
4109static void get_key_callback(void *c, struct key_params *params)
4110{
b9454e83 4111 struct nlattr *key;
41ade00f
JB		 4112 struct get_key_cookie *cookie = c;
4113
9360ffd1
DM		 4114 if ((params->key &&
4115 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4116 params->key_len, params->key)) ||
4117 (params->seq &&
4118 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4119 params->seq_len, params->seq)) ||
4120 (params->cipher &&
4121 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4122 params->cipher)))
4123 goto nla_put_failure;
41ade00f 4124
ae0be8de 4125 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
b9454e83
JB		 4126 if (!key)
4127 goto nla_put_failure;
4128
9360ffd1
DM		 4129 if ((params->key &&
4130 nla_put(cookie->msg, NL80211_KEY_DATA,
4131 params->key_len, params->key)) ||
4132 (params->seq &&
4133 nla_put(cookie->msg, NL80211_KEY_SEQ,
4134 params->seq_len, params->seq)) ||
4135 (params->cipher &&
4136 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4137 params->cipher)))
4138 goto nla_put_failure;
b9454e83 4139
efdfce72 4140 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
9360ffd1 4141 goto nla_put_failure;
b9454e83
JB		 4142
4143 nla_nest_end(cookie->msg, key);
4144
41ade00f
JB		 4145 return;
4146 nla_put_failure:
4147 cookie->error = 1;
4148}
4149
4150static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4151{
4c476991 4152 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4153 int err;
4c476991 4154 struct net_device *dev = info->user_ptr[1];
41ade00f 4155 u8 key_idx = 0;
e31b8213
JB		 4156 const u8 *mac_addr = NULL;
4157 bool pairwise;
41ade00f
JB		 4158 struct get_key_cookie cookie = {
4159 .error = 0,
4160 };
4161 void *hdr;
4162 struct sk_buff *msg;
155d7c73
JB		 4163 bool bigtk_support = false;
4164
4165 if (wiphy_ext_feature_isset(&rdev->wiphy,
4166 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4167 bigtk_support = true;
4168
4169 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4170 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4171 wiphy_ext_feature_isset(&rdev->wiphy,
4172 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4173 bigtk_support = true;
41ade00f 4174
56be393f 4175 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
41ade00f 4176 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
155d7c73
JB		 4177
4178 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4179 GENL_SET_ERR_MSG(info, "BIGTK not supported");
56be393f 4180 return -EINVAL;
155d7c73 4181 }
56be393f 4182 }
41ade00f 4183
41ade00f
JB		 4184 if (info->attrs[NL80211_ATTR_MAC])
4185 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4186
e31b8213
JB		 4187 pairwise = !!mac_addr;
4188 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4189 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
7a087e74 4190
e31b8213
JB		 4191 if (kt != NL80211_KEYTYPE_GROUP &&
4192 kt != NL80211_KEYTYPE_PAIRWISE)
4193 return -EINVAL;
4194 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4195 }
4196
4c476991
JB		 4197 if (!rdev->ops->get_key)
4198 return -EOPNOTSUPP;
41ade00f 4199
0fa7b391
JB		 4200 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4201 return -ENOENT;
4202
fd2120ca 4203 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 4204 if (!msg)
4205 return -ENOMEM;
41ade00f 4206
15e47304 4207 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
41ade00f 4208 NL80211_CMD_NEW_KEY);
cb35fba3 4209 if (!hdr)
9fe271af 4210 goto nla_put_failure;
41ade00f
JB		 4211
4212 cookie.msg = msg;
b9454e83 4213 cookie.idx = key_idx;
41ade00f 4214
9360ffd1
DM		 4215 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4216 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4217 goto nla_put_failure;
4218 if (mac_addr &&
4219 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4220 goto nla_put_failure;
41ade00f 4221
e35e4d28
HG		 4222 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4223 get_key_callback);
41ade00f
JB		 4224
4225 if (err)
6c95e2a2 4226 goto free_msg;
41ade00f
JB		 4227
4228 if (cookie.error)
4229 goto nla_put_failure;
4230
4231 genlmsg_end(msg, hdr);
4c476991 4232 return genlmsg_reply(msg, info);
41ade00f
JB		 4233
4234 nla_put_failure:
4235 err = -ENOBUFS;
6c95e2a2 4236 free_msg:
41ade00f 4237 nlmsg_free(msg);
41ade00f
JB		 4238 return err;
4239}
4240
4241static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4242{
4c476991 4243 struct cfg80211_registered_device *rdev = info->user_ptr[0];
b9454e83 4244 struct key_parse key;
41ade00f 4245 int err;
4c476991 4246 struct net_device *dev = info->user_ptr[1];
41ade00f 4247
b9454e83
JB		 4248 err = nl80211_parse_key(info, &key);
4249 if (err)
4250 return err;
41ade00f 4251
b9454e83 4252 if (key.idx < 0)
41ade00f
JB		 4253 return -EINVAL;
4254
6cdd3979
AW		 4255 /* Only support setting default key and
4256 * Extended Key ID action NL80211_KEY_SET_TX.
4257 */
56be393f 4258 if (!key.def && !key.defmgmt && !key.defbeacon &&
6cdd3979 4259 !(key.p.mode == NL80211_KEY_SET_TX))
41ade00f
JB		 4260 return -EINVAL;
4261
dbd2fd65 4262 wdev_lock(dev->ieee80211_ptr);
3cfcf6ac 4263
dbd2fd65
JB		 4264 if (key.def) {
4265 if (!rdev->ops->set_default_key) {
4266 err = -EOPNOTSUPP;
4267 goto out;
4268 }
41ade00f 4269
dbd2fd65
JB		 4270 err = nl80211_key_allowed(dev->ieee80211_ptr);
4271 if (err)
4272 goto out;
4273
e35e4d28 4274 err = rdev_set_default_key(rdev, dev, key.idx,
dbd2fd65
JB		 4275 key.def_uni, key.def_multi);
4276
4277 if (err)
4278 goto out;
fffd0934 4279
3d23e349 4280#ifdef CONFIG_CFG80211_WEXT
dbd2fd65
JB		 4281 dev->ieee80211_ptr->wext.default_key = key.idx;
4282#endif
6cdd3979 4283 } else if (key.defmgmt) {
dbd2fd65
JB		 4284 if (key.def_uni || !key.def_multi) {
4285 err = -EINVAL;
4286 goto out;
4287 }
4288
4289 if (!rdev->ops->set_default_mgmt_key) {
4290 err = -EOPNOTSUPP;
4291 goto out;
4292 }
4293
4294 err = nl80211_key_allowed(dev->ieee80211_ptr);
4295 if (err)
4296 goto out;
4297
e35e4d28 4298 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
dbd2fd65
JB		 4299 if (err)
4300 goto out;
4301
4302#ifdef CONFIG_CFG80211_WEXT
4303 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
08645126 4304#endif
56be393f
JM		 4305 } else if (key.defbeacon) {
4306 if (key.def_uni || !key.def_multi) {
4307 err = -EINVAL;
4308 goto out;
4309 }
4310
4311 if (!rdev->ops->set_default_beacon_key) {
4312 err = -EOPNOTSUPP;
4313 goto out;
4314 }
4315
4316 err = nl80211_key_allowed(dev->ieee80211_ptr);
4317 if (err)
4318 goto out;
4319
4320 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4321 if (err)
4322 goto out;
6cdd3979
AW		 4323 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4324 wiphy_ext_feature_isset(&rdev->wiphy,
4325 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4326 u8 *mac_addr = NULL;
4327
4328 if (info->attrs[NL80211_ATTR_MAC])
4329 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4330
4331 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4332 err = -EINVAL;
4333 goto out;
4334 }
dbd2fd65 4335
6cdd3979
AW		 4336 err = rdev_add_key(rdev, dev, key.idx,
4337 NL80211_KEYTYPE_PAIRWISE,
4338 mac_addr, &key.p);
4339 } else {
4340 err = -EINVAL;
4341 }
dbd2fd65 4342 out:
fffd0934 4343 wdev_unlock(dev->ieee80211_ptr);
41ade00f 4344
41ade00f
JB		 4345 return err;
4346}
4347
4348static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4349{
4c476991 4350 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fffd0934 4351 int err;
4c476991 4352 struct net_device *dev = info->user_ptr[1];
b9454e83 4353 struct key_parse key;
e31b8213 4354 const u8 *mac_addr = NULL;
41ade00f 4355
b9454e83
JB		 4356 err = nl80211_parse_key(info, &key);
4357 if (err)
4358 return err;
41ade00f 4359
f8af764b
JM		 4360 if (!key.p.key) {
4361 GENL_SET_ERR_MSG(info, "no key");
41ade00f 4362 return -EINVAL;
f8af764b 4363 }
41ade00f 4364
41ade00f
JB		 4365 if (info->attrs[NL80211_ATTR_MAC])
4366 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4367
e31b8213
JB		 4368 if (key.type == -1) {
4369 if (mac_addr)
4370 key.type = NL80211_KEYTYPE_PAIRWISE;
4371 else
4372 key.type = NL80211_KEYTYPE_GROUP;
4373 }
4374
4375 /* for now */
4376 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
f8af764b
JM		 4377 key.type != NL80211_KEYTYPE_GROUP) {
4378 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
e31b8213 4379 return -EINVAL;
f8af764b 4380 }
e31b8213 4381
14f34e36
GG		 4382 if (key.type == NL80211_KEYTYPE_GROUP &&
4383 info->attrs[NL80211_ATTR_VLAN_ID])
4384 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4385
4c476991
JB		 4386 if (!rdev->ops->add_key)
4387 return -EOPNOTSUPP;
25e47c18 4388
e31b8213
JB		 4389 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4390 key.type == NL80211_KEYTYPE_PAIRWISE,
f8af764b
JM		 4391 mac_addr)) {
4392 GENL_SET_ERR_MSG(info, "key setting validation failed");
4c476991 4393 return -EINVAL;
f8af764b 4394 }
41ade00f 4395
fffd0934
JB		 4396 wdev_lock(dev->ieee80211_ptr);
4397 err = nl80211_key_allowed(dev->ieee80211_ptr);
f8af764b
JM		 4398 if (err)
4399 GENL_SET_ERR_MSG(info, "key not allowed");
4400 if (!err) {
e35e4d28
HG		 4401 err = rdev_add_key(rdev, dev, key.idx,
4402 key.type == NL80211_KEYTYPE_PAIRWISE,
4403 mac_addr, &key.p);
f8af764b
JM		 4404 if (err)
4405 GENL_SET_ERR_MSG(info, "key addition failed");
4406 }
fffd0934 4407 wdev_unlock(dev->ieee80211_ptr);
41ade00f 4408
41ade00f
JB		 4409 return err;
4410}
4411
4412static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4413{
4c476991 4414 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4415 int err;
4c476991 4416 struct net_device *dev = info->user_ptr[1];
41ade00f 4417 u8 *mac_addr = NULL;
b9454e83 4418 struct key_parse key;
41ade00f 4419
b9454e83
JB		 4420 err = nl80211_parse_key(info, &key);
4421 if (err)
4422 return err;
41ade00f
JB		 4423
4424 if (info->attrs[NL80211_ATTR_MAC])
4425 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4426
e31b8213
JB		 4427 if (key.type == -1) {
4428 if (mac_addr)
4429 key.type = NL80211_KEYTYPE_PAIRWISE;
4430 else
4431 key.type = NL80211_KEYTYPE_GROUP;
4432 }
4433
4434 /* for now */
4435 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4436 key.type != NL80211_KEYTYPE_GROUP)
4437 return -EINVAL;
4438
2d946308
AT		 4439 if (!cfg80211_valid_key_idx(rdev, key.idx,
4440 key.type == NL80211_KEYTYPE_PAIRWISE))
4441 return -EINVAL;
4442
4c476991
JB		 4443 if (!rdev->ops->del_key)
4444 return -EOPNOTSUPP;
41ade00f 4445
fffd0934
JB		 4446 wdev_lock(dev->ieee80211_ptr);
4447 err = nl80211_key_allowed(dev->ieee80211_ptr);
e31b8213 4448
0fa7b391 4449 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
e31b8213
JB		 4450 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4451 err = -ENOENT;
4452
fffd0934 4453 if (!err)
e35e4d28
HG		 4454 err = rdev_del_key(rdev, dev, key.idx,
4455 key.type == NL80211_KEYTYPE_PAIRWISE,
4456 mac_addr);
41ade00f 4457
3d23e349 4458#ifdef CONFIG_CFG80211_WEXT
08645126 4459 if (!err) {
b9454e83 4460 if (key.idx == dev->ieee80211_ptr->wext.default_key)
08645126 4461 dev->ieee80211_ptr->wext.default_key = -1;
b9454e83 4462 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
08645126
JB		 4463 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4464 }
4465#endif
fffd0934 4466 wdev_unlock(dev->ieee80211_ptr);
08645126 4467
41ade00f
JB		 4468 return err;
4469}
4470
77765eaf
VT		 4471/* This function returns an error or the number of nested attributes */
4472static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4473{
4474 struct nlattr *attr;
4475 int n_entries = 0, tmp;
4476
4477 nla_for_each_nested(attr, nl_attr, tmp) {
4478 if (nla_len(attr) != ETH_ALEN)
4479 return -EINVAL;
4480
4481 n_entries++;
4482 }
4483
4484 return n_entries;
4485}
4486
4487/*
4488 * This function parses ACL information and allocates memory for ACL data.
4489 * On successful return, the calling function is responsible to free the
4490 * ACL buffer returned by this function.
4491 */
4492static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4493 struct genl_info *info)
4494{
4495 enum nl80211_acl_policy acl_policy;
4496 struct nlattr *attr;
4497 struct cfg80211_acl_data *acl;
4498 int i = 0, n_entries, tmp;
4499
4500 if (!wiphy->max_acl_mac_addrs)
4501 return ERR_PTR(-EOPNOTSUPP);
4502
4503 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4504 return ERR_PTR(-EINVAL);
4505
4506 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4507 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4508 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4509 return ERR_PTR(-EINVAL);
4510
4511 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4512 return ERR_PTR(-EINVAL);
4513
4514 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4515 if (n_entries < 0)
4516 return ERR_PTR(n_entries);
4517
4518 if (n_entries > wiphy->max_acl_mac_addrs)
4519 return ERR_PTR(-ENOTSUPP);
4520
391d132c 4521 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
77765eaf
VT		 4522 if (!acl)
4523 return ERR_PTR(-ENOMEM);
4524
4525 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4526 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4527 i++;
4528 }
4529
4530 acl->n_acl_entries = n_entries;
4531 acl->acl_policy = acl_policy;
4532
4533 return acl;
4534}
4535
4536static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4537{
4538 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4539 struct net_device *dev = info->user_ptr[1];
4540 struct cfg80211_acl_data *acl;
4541 int err;
4542
4543 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4544 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4545 return -EOPNOTSUPP;
4546
4547 if (!dev->ieee80211_ptr->beacon_interval)
4548 return -EINVAL;
4549
4550 acl = parse_acl_data(&rdev->wiphy, info);
4551 if (IS_ERR(acl))
4552 return PTR_ERR(acl);
4553
4554 err = rdev_set_mac_acl(rdev, dev, acl);
4555
4556 kfree(acl);
4557
4558 return err;
4559}
4560
a7c7fbff
PK		 4561static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4562 u8 *rates, u8 rates_len)
4563{
4564 u8 i;
4565 u32 mask = 0;
4566
4567 for (i = 0; i < rates_len; i++) {
4568 int rate = (rates[i] & 0x7f) * 5;
4569 int ridx;
4570
4571 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4572 struct ieee80211_rate *srate =
4573 &sband->bitrates[ridx];
4574 if (rate == srate->bitrate) {
4575 mask |= 1 << ridx;
4576 break;
4577 }
4578 }
4579 if (ridx == sband->n_bitrates)
4580 return 0; /* rate not found */
4581 }
4582
4583 return mask;
4584}
4585
4586static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4587 u8 *rates, u8 rates_len,
4588 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4589{
4590 u8 i;
4591
4592 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4593
4594 for (i = 0; i < rates_len; i++) {
4595 int ridx, rbit;
4596
4597 ridx = rates[i] / 8;
4598 rbit = BIT(rates[i] % 8);
4599
4600 /* check validity */
4601 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4602 return false;
4603
4604 /* check availability */
30fe6d50 4605 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
a7c7fbff
PK		 4606 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4607 mcs[ridx] |= rbit;
4608 else
4609 return false;
4610 }
4611
4612 return true;
4613}
4614
4615static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4616{
4617 u16 mcs_mask = 0;
4618
4619 switch (vht_mcs_map) {
4620 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4621 break;
4622 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4623 mcs_mask = 0x00FF;
4624 break;
4625 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4626 mcs_mask = 0x01FF;
4627 break;
4628 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4629 mcs_mask = 0x03FF;
4630 break;
4631 default:
4632 break;
4633 }
4634
4635 return mcs_mask;
4636}
4637
4638static void vht_build_mcs_mask(u16 vht_mcs_map,
4639 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4640{
4641 u8 nss;
4642
4643 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4644 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4645 vht_mcs_map >>= 2;
4646 }
4647}
4648
4649static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4650 struct nl80211_txrate_vht *txrate,
4651 u16 mcs[NL80211_VHT_NSS_MAX])
4652{
4653 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4654 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4655 u8 i;
4656
4657 if (!sband->vht_cap.vht_supported)
4658 return false;
4659
4660 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4661
4662 /* Build vht_mcs_mask from VHT capabilities */
4663 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4664
4665 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4666 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4667 mcs[i] = txrate->mcs[i];
4668 else
4669 return false;
4670 }
4671
4672 return true;
4673}
4674
eb89a6a6
MH		 4675static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4676{
4677 switch (he_mcs_map) {
4678 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4679 return 0;
4680 case IEEE80211_HE_MCS_SUPPORT_0_7:
4681 return 0x00FF;
4682 case IEEE80211_HE_MCS_SUPPORT_0_9:
4683 return 0x03FF;
4684 case IEEE80211_HE_MCS_SUPPORT_0_11:
4685 return 0xFFF;
4686 default:
4687 break;
4688 }
4689 return 0;
4690}
4691
4692static void he_build_mcs_mask(u16 he_mcs_map,
4693 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4694{
4695 u8 nss;
4696
4697 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4698 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4699 he_mcs_map >>= 2;
4700 }
4701}
4702
4703static u16 he_get_txmcsmap(struct genl_info *info,
4704 const struct ieee80211_sta_he_cap *he_cap)
4705{
4706 struct net_device *dev = info->user_ptr[1];
4707 struct wireless_dev *wdev = dev->ieee80211_ptr;
4708 __le16 tx_mcs;
4709
4710 switch (wdev->chandef.width) {
4711 case NL80211_CHAN_WIDTH_80P80:
4712 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4713 break;
4714 case NL80211_CHAN_WIDTH_160:
4715 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4716 break;
4717 default:
4718 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4719 break;
4720 }
4721 return le16_to_cpu(tx_mcs);
4722}
4723
4724static bool he_set_mcs_mask(struct genl_info *info,
4725 struct wireless_dev *wdev,
4726 struct ieee80211_supported_band *sband,
4727 struct nl80211_txrate_he *txrate,
4728 u16 mcs[NL80211_HE_NSS_MAX])
4729{
4730 const struct ieee80211_sta_he_cap *he_cap;
4731 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4732 u16 tx_mcs_map = 0;
4733 u8 i;
4734
4735 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4736 if (!he_cap)
4737 return false;
4738
4739 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4740
4741 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4742
4743 /* Build he_mcs_mask from HE capabilities */
4744 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4745
4746 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4747 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4748 mcs[i] = txrate->mcs[i];
4749 else
4750 return false;
4751 }
4752
4753 return true;
4754}
4755
a7c7fbff 4756static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
9a5f6488
TC		 4757 struct nlattr *attrs[],
4758 enum nl80211_attrs attr,
eb89a6a6 4759 struct cfg80211_bitrate_mask *mask,
857b34c4
RM		 4760 struct net_device *dev,
4761 bool default_all_enabled)
a7c7fbff
PK		 4762{
4763 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4764 struct cfg80211_registered_device *rdev = info->user_ptr[0];
eb89a6a6 4765 struct wireless_dev *wdev = dev->ieee80211_ptr;
a7c7fbff
PK		 4766 int rem, i;
4767 struct nlattr *tx_rates;
4768 struct ieee80211_supported_band *sband;
eb89a6a6 4769 u16 vht_tx_mcs_map, he_tx_mcs_map;
a7c7fbff
PK		 4770
4771 memset(mask, 0, sizeof(*mask));
4772 /* Default to all rates enabled */
4773 for (i = 0; i < NUM_NL80211_BANDS; i++) {
eb89a6a6
MH		 4774 const struct ieee80211_sta_he_cap *he_cap;
4775
857b34c4
RM		 4776 if (!default_all_enabled)
4777 break;
4778
a7c7fbff
PK		 4779 sband = rdev->wiphy.bands[i];
4780
4781 if (!sband)
4782 continue;
4783
4784 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4785 memcpy(mask->control[i].ht_mcs,
4786 sband->ht_cap.mcs.rx_mask,
4787 sizeof(mask->control[i].ht_mcs));
4788
9df66d5b
PKS		 4789 if (sband->vht_cap.vht_supported) {
4790 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4791 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4792 }
eb89a6a6
MH		 4793
4794 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4795 if (!he_cap)
4796 continue;
4797
4798 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4799 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4800
4801 mask->control[i].he_gi = 0xFF;
4802 mask->control[i].he_ltf = 0xFF;
a7c7fbff
PK		 4803 }
4804
4805 /* if no rates are given set it back to the defaults */
9a5f6488 4806 if (!attrs[attr])
a7c7fbff
PK		 4807 goto out;
4808
4809 /* The nested attribute uses enum nl80211_band as the index. This maps
4810 * directly to the enum nl80211_band values used in cfg80211.
4811 */
4812 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
9a5f6488 4813 nla_for_each_nested(tx_rates, attrs[attr], rem) {
a7c7fbff
PK		 4814 enum nl80211_band band = nla_type(tx_rates);
4815 int err;
4816
4817 if (band < 0 || band >= NUM_NL80211_BANDS)
4818 return -EINVAL;
4819 sband = rdev->wiphy.bands[band];
4820 if (sband == NULL)
4821 return -EINVAL;
8cb08174
JB		 4822 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4823 tx_rates,
4824 nl80211_txattr_policy,
4825 info->extack);
a7c7fbff
PK		 4826 if (err)
4827 return err;
4828 if (tb[NL80211_TXRATE_LEGACY]) {
4829 mask->control[band].legacy = rateset_to_mask(
4830 sband,
4831 nla_data(tb[NL80211_TXRATE_LEGACY]),
4832 nla_len(tb[NL80211_TXRATE_LEGACY]));
4833 if ((mask->control[band].legacy == 0) &&
4834 nla_len(tb[NL80211_TXRATE_LEGACY]))
4835 return -EINVAL;
4836 }
4837 if (tb[NL80211_TXRATE_HT]) {
4838 if (!ht_rateset_to_mask(
4839 sband,
4840 nla_data(tb[NL80211_TXRATE_HT]),
4841 nla_len(tb[NL80211_TXRATE_HT]),
4842 mask->control[band].ht_mcs))
4843 return -EINVAL;
4844 }
c4a30446 4845
a7c7fbff
PK		 4846 if (tb[NL80211_TXRATE_VHT]) {
4847 if (!vht_set_mcs_mask(
4848 sband,
4849 nla_data(tb[NL80211_TXRATE_VHT]),
4850 mask->control[band].vht_mcs))
4851 return -EINVAL;
4852 }
c4a30446 4853
a7c7fbff
PK		 4854 if (tb[NL80211_TXRATE_GI]) {
4855 mask->control[band].gi =
4856 nla_get_u8(tb[NL80211_TXRATE_GI]);
4857 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4858 return -EINVAL;
4859 }
eb89a6a6
MH		 4860 if (tb[NL80211_TXRATE_HE] &&
4861 !he_set_mcs_mask(info, wdev, sband,
4862 nla_data(tb[NL80211_TXRATE_HE]),
4863 mask->control[band].he_mcs))
4864 return -EINVAL;
c4a30446 4865
eb89a6a6
MH		 4866 if (tb[NL80211_TXRATE_HE_GI])
4867 mask->control[band].he_gi =
4868 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4869 if (tb[NL80211_TXRATE_HE_LTF])
4870 mask->control[band].he_ltf =
4871 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
a7c7fbff
PK		 4872
4873 if (mask->control[band].legacy == 0) {
eb89a6a6 4874 /* don't allow empty legacy rates if HT, VHT or HE
a7c7fbff
PK		 4875 * are not even supported.
4876 */
4877 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
eb89a6a6
MH		 4878 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4879 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
a7c7fbff
PK		 4880 return -EINVAL;
4881
4882 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4883 if (mask->control[band].ht_mcs[i])
4884 goto out;
4885
4886 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4887 if (mask->control[band].vht_mcs[i])
4888 goto out;
4889
eb89a6a6
MH		 4890 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4891 if (mask->control[band].he_mcs[i])
4892 goto out;
4893
a7c7fbff
PK		 4894 /* legacy and mcs rates may not be both empty */
4895 return -EINVAL;
4896 }
4897 }
4898
4899out:
4900 return 0;
4901}
4902
8564e382
JB		 4903static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4904 enum nl80211_band band,
4905 struct cfg80211_bitrate_mask *beacon_rate)
a7c7fbff 4906{
c4a30446 4907 u32 count_ht, count_vht, count_he, i;
8564e382 4908 u32 rate = beacon_rate->control[band].legacy;
a7c7fbff
PK		 4909
4910 /* Allow only one rate */
4911 if (hweight32(rate) > 1)
4912 return -EINVAL;
4913
4914 count_ht = 0;
4915 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
8564e382 4916 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
a7c7fbff 4917 return -EINVAL;
8564e382 4918 } else if (beacon_rate->control[band].ht_mcs[i]) {
a7c7fbff
PK		 4919 count_ht++;
4920 if (count_ht > 1)
4921 return -EINVAL;
4922 }
4923 if (count_ht && rate)
4924 return -EINVAL;
4925 }
4926
4927 count_vht = 0;
4928 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8564e382 4929 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
a7c7fbff 4930 return -EINVAL;
8564e382 4931 } else if (beacon_rate->control[band].vht_mcs[i]) {
a7c7fbff
PK		 4932 count_vht++;
4933 if (count_vht > 1)
4934 return -EINVAL;
4935 }
4936 if (count_vht && rate)
4937 return -EINVAL;
4938 }
4939
c4a30446
RM		 4940 count_he = 0;
4941 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4942 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
4943 return -EINVAL;
4944 } else if (beacon_rate->control[band].he_mcs[i]) {
4945 count_he++;
4946 if (count_he > 1)
4947 return -EINVAL;
4948 }
4949 if (count_he && rate)
4950 return -EINVAL;
4951 }
4952
4953 if ((count_ht && count_vht && count_he) ||
4954 (!rate && !count_ht && !count_vht && !count_he))
a7c7fbff
PK		 4955 return -EINVAL;
4956
8564e382
JB		 4957 if (rate &&
4958 !wiphy_ext_feature_isset(&rdev->wiphy,
4959 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4960 return -EINVAL;
4961 if (count_ht &&
4962 !wiphy_ext_feature_isset(&rdev->wiphy,
4963 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4964 return -EINVAL;
4965 if (count_vht &&
4966 !wiphy_ext_feature_isset(&rdev->wiphy,
4967 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4968 return -EINVAL;
c4a30446
RM		 4969 if (count_he &&
4970 !wiphy_ext_feature_isset(&rdev->wiphy,
4971 NL80211_EXT_FEATURE_BEACON_RATE_HE))
4972 return -EINVAL;
8564e382 4973
a7c7fbff
PK		 4974 return 0;
4975}
4976
81e54d08
PKC		 4977static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4978 struct nlattr *attrs[],
8860020e 4979 struct cfg80211_beacon_data *bcn)
ed1b6cc7 4980{
8860020e 4981 bool haveinfo = false;
81e54d08 4982 int err;
ed1b6cc7 4983
8860020e 4984 memset(bcn, 0, sizeof(*bcn));
ed1b6cc7 4985
a1193be8
SW		 4986 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4987 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4988 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
8860020e
JB		 4989 if (!bcn->head_len)
4990 return -EINVAL;
4991 haveinfo = true;
ed1b6cc7
JB		 4992 }
4993
a1193be8
SW		 4994 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4995 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4996 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
8860020e 4997 haveinfo = true;
ed1b6cc7
JB		 4998 }
4999
4c476991
JB		 5000 if (!haveinfo)
5001 return -EINVAL;
3b85875a 5002
a1193be8
SW		 5003 if (attrs[NL80211_ATTR_IE]) {
5004 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5005 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
9946ecfb
JM		 5006 }
5007
a1193be8 5008 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
8860020e 5009 bcn->proberesp_ies =
a1193be8 5010 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
8860020e 5011 bcn->proberesp_ies_len =
a1193be8 5012 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
9946ecfb
JM		 5013 }
5014
a1193be8 5015 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
8860020e 5016 bcn->assocresp_ies =
a1193be8 5017 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
8860020e 5018 bcn->assocresp_ies_len =
a1193be8 5019 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
9946ecfb
JM		 5020 }
5021
a1193be8
SW		 5022 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5023 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5024 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
00f740e1
AN		 5025 }
5026
81e54d08
PKC		 5027 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5028 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5029
8cb08174
JB		 5030 err = nla_parse_nested_deprecated(tb,
5031 NL80211_FTM_RESP_ATTR_MAX,
5032 attrs[NL80211_ATTR_FTM_RESPONDER],
5033 NULL, NULL);
81e54d08
PKC		 5034 if (err)
5035 return err;
5036
5037 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5038 wiphy_ext_feature_isset(&rdev->wiphy,
5039 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5040 bcn->ftm_responder = 1;
5041 else
5042 return -EOPNOTSUPP;
5043
5044 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5045 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5046 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5047 }
5048
5049 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5050 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5051 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5052 }
5053 } else {
5054 bcn->ftm_responder = -1;
5055 }
5056
8860020e
JB		 5057 return 0;
5058}
5059
796e90f4
JC		 5060static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5061 struct ieee80211_he_obss_pd *he_obss_pd)
5062{
5063 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5064 int err;
5065
5066 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5067 he_obss_pd_policy, NULL);
5068 if (err)
5069 return err;
5070
f5bec330
RM		 5071 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5072 return -EINVAL;
5073
5074 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5075
6c8b6e4a
RM		 5076 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5077 he_obss_pd->min_offset =
5078 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5079 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5080 he_obss_pd->max_offset =
5081 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
f5bec330
RM		 5082 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5083 he_obss_pd->non_srg_max_offset =
5084 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
6c8b6e4a
RM		 5085
5086 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
796e90f4
JC		 5087 return -EINVAL;
5088
f5bec330
RM		 5089 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5090 memcpy(he_obss_pd->bss_color_bitmap,
5091 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5092 sizeof(he_obss_pd->bss_color_bitmap));
5093
5094 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5095 memcpy(he_obss_pd->partial_bssid_bitmap,
5096 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5097 sizeof(he_obss_pd->partial_bssid_bitmap));
5098
796e90f4
JC		 5099 he_obss_pd->enable = true;
5100
5101 return 0;
5102}
5103
5c5e52d1
JC		 5104static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5105 struct cfg80211_he_bss_color *he_bss_color)
5106{
5107 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5108 int err;
5109
5110 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5111 he_bss_color_policy, NULL);
5112 if (err)
5113 return err;
5114
5115 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5116 return -EINVAL;
5117
5118 he_bss_color->color =
5119 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
75e6b594
JB		 5120 he_bss_color->enabled =
5121 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5c5e52d1
JC		 5122 he_bss_color->partial =
5123 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5124
5125 return 0;
5126}
5127
291c49de
AD		 5128static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5129 struct nlattr *attrs,
5130 struct cfg80211_ap_settings *params)
5131{
5132 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5133 int ret;
5134 struct cfg80211_fils_discovery *fd = &params->fils_discovery;
5135
5136 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5137 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5138 return -EINVAL;
5139
5140 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5141 NULL, NULL);
5142 if (ret)
5143 return ret;
5144
5145 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5146 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5147 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5148 return -EINVAL;
5149
5150 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5151 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5152 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5153 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5154
5155 return 0;
5156}
5157
7443dcd1
AD		 5158static int
5159nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5160 struct nlattr *attrs,
5161 struct cfg80211_ap_settings *params)
5162{
5163 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5164 int ret;
5165 struct cfg80211_unsol_bcast_probe_resp *presp =
5166 &params->unsol_bcast_probe_resp;
5167
5168 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5169 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5170 return -EINVAL;
5171
5172 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5173 attrs, NULL, NULL);
5174 if (ret)
5175 return ret;
5176
5177 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5178 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5179 return -EINVAL;
5180
5181 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5182 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5183 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5184 return 0;
5185}
5186
66cd794e
JB		 5187static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5188 const u8 *rates)
5189{
5190 int i;
5191
5192 if (!rates)
5193 return;
5194
5195 for (i = 0; i < rates[1]; i++) {
5196 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5197 params->ht_required = true;
5198 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5199 params->vht_required = true;
2a392596
IP		 5200 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5201 params->he_required = true;
d6587602
IP		 5202 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5203 params->sae_h2e_required = true;
66cd794e
JB		 5204 }
5205}
5206
5207/*
5208 * Since the nl80211 API didn't include, from the beginning, attributes about
5209 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5210 * benefit of drivers that rebuild IEs in the firmware.
5211 */
5212static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5213{
5214 const struct cfg80211_beacon_data *bcn = &params->beacon;
ba83bfb1
IM		 5215 size_t ies_len = bcn->tail_len;
5216 const u8 *ies = bcn->tail;
66cd794e
JB		 5217 const u8 *rates;
5218 const u8 *cap;
5219
5220 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
5221 nl80211_check_ap_rate_selectors(params, rates);
5222
5223 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5224 nl80211_check_ap_rate_selectors(params, rates);
5225
5226 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5227 if (cap && cap[1] >= sizeof(*params->ht_cap))
5228 params->ht_cap = (void *)(cap + 2);
5229 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5230 if (cap && cap[1] >= sizeof(*params->vht_cap))
5231 params->vht_cap = (void *)(cap + 2);
244eb9ae
ST		 5232 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5233 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
5234 params->he_cap = (void *)(cap + 3);
7e8d6f12
ST		 5235 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5236 if (cap && cap[1] >= sizeof(*params->he_oper) + 1)
5237 params->he_oper = (void *)(cap + 3);
66cd794e
JB		 5238}
5239
46c1dd0c
FF		 5240static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5241 struct cfg80211_ap_settings *params)
5242{
5243 struct wireless_dev *wdev;
5244 bool ret = false;
5245
53873f13 5246 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
46c1dd0c
FF		 5247 if (wdev->iftype != NL80211_IFTYPE_AP &&
5248 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5249 continue;
5250
683b6d3b 5251 if (!wdev->preset_chandef.chan)
46c1dd0c
FF		 5252 continue;
5253
683b6d3b 5254 params->chandef = wdev->preset_chandef;
46c1dd0c
FF		 5255 ret = true;
5256 break;
5257 }
5258
46c1dd0c
FF		 5259 return ret;
5260}
5261
e39e5b5e
JM		 5262static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5263 enum nl80211_auth_type auth_type,
5264 enum nl80211_commands cmd)
5265{
5266 if (auth_type > NL80211_AUTHTYPE_MAX)
5267 return false;
5268
5269 switch (cmd) {
5270 case NL80211_CMD_AUTHENTICATE:
5271 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5272 auth_type == NL80211_AUTHTYPE_SAE)
5273 return false;
63181060
JM		 5274 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5275 NL80211_EXT_FEATURE_FILS_STA) &&
5276 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5277 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5278 auth_type == NL80211_AUTHTYPE_FILS_PK))
5279 return false;
e39e5b5e
JM		 5280 return true;
5281 case NL80211_CMD_CONNECT:
10773a7c 5282 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
26f7044e
CHH		 5283 !wiphy_ext_feature_isset(&rdev->wiphy,
5284 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10773a7c 5285 auth_type == NL80211_AUTHTYPE_SAE)
a3caf744 5286 return false;
10773a7c 5287
a3caf744
VK		 5288 /* FILS with SK PFS or PK not supported yet */
5289 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5290 auth_type == NL80211_AUTHTYPE_FILS_PK)
5291 return false;
5292 if (!wiphy_ext_feature_isset(
5293 &rdev->wiphy,
5294 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5295 auth_type == NL80211_AUTHTYPE_FILS_SK)
5296 return false;
5297 return true;
e39e5b5e 5298 case NL80211_CMD_START_AP:
2831a631
CHH		 5299 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5300 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5301 auth_type == NL80211_AUTHTYPE_SAE)
e39e5b5e 5302 return false;
63181060
JM		 5303 /* FILS not supported yet */
5304 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5305 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5306 auth_type == NL80211_AUTHTYPE_FILS_PK)
5307 return false;
e39e5b5e
JM		 5308 return true;
5309 default:
5310 return false;
5311 }
5312}
5313
8860020e
JB		 5314static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5315{
5316 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5317 struct net_device *dev = info->user_ptr[1];
5318 struct wireless_dev *wdev = dev->ieee80211_ptr;
5319 struct cfg80211_ap_settings params;
5320 int err;
5321
5322 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5323 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5324 return -EOPNOTSUPP;
5325
5326 if (!rdev->ops->start_ap)
5327 return -EOPNOTSUPP;
5328
5329 if (wdev->beacon_interval)
5330 return -EALREADY;
5331
5332 memset(&params, 0, sizeof(params));
5333
5334 /* these are required for START_AP */
5335 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5336 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5337 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5338 return -EINVAL;
5339
81e54d08 5340 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon);
8860020e
JB		 5341 if (err)
5342 return err;
5343
5344 params.beacon_interval =
5345 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5346 params.dtim_period =
5347 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5348
0c317a02
PK		 5349 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5350 params.beacon_interval);
8860020e
JB		 5351 if (err)
5352 return err;
5353
5354 /*
5355 * In theory, some of these attributes should be required here
5356 * but since they were not used when the command was originally
5357 * added, keep them optional for old user space programs to let
5358 * them continue to work with drivers that do not need the
5359 * additional information -- drivers must check!
5360 */
5361 if (info->attrs[NL80211_ATTR_SSID]) {
5362 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5363 params.ssid_len =
5364 nla_len(info->attrs[NL80211_ATTR_SSID]);
cb9abd48 5365 if (params.ssid_len == 0)
8860020e
JB		 5366 return -EINVAL;
5367 }
5368
ab0d76f6 5369 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
8860020e
JB		 5370 params.hidden_ssid = nla_get_u32(
5371 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
8860020e
JB		 5372
5373 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5374
5375 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5376 params.auth_type = nla_get_u32(
5377 info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 5378 if (!nl80211_valid_auth_type(rdev, params.auth_type,
5379 NL80211_CMD_START_AP))
8860020e
JB		 5380 return -EINVAL;
5381 } else
5382 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5383
5384 err = nl80211_crypto_settings(rdev, info, &params.crypto,
5385 NL80211_MAX_NR_CIPHER_SUITES);
5386 if (err)
5387 return err;
5388
1b658f11
VT		 5389 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5390 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
5391 return -EOPNOTSUPP;
5392 params.inactivity_timeout = nla_get_u16(
5393 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5394 }
5395
53cabad7
JB		 5396 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5397 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5398 return -EINVAL;
5399 params.p2p_ctwindow =
5400 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 5401 if (params.p2p_ctwindow != 0 &&
5402 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5403 return -EINVAL;
5404 }
5405
5406 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5407 u8 tmp;
5408
5409 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5410 return -EINVAL;
5411 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 5412 params.p2p_opp_ps = tmp;
5413 if (params.p2p_opp_ps != 0 &&
5414 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5415 return -EINVAL;
5416 }
5417
aa430da4 5418 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 5419 err = nl80211_parse_chandef(rdev, info, &params.chandef);
5420 if (err)
5421 return err;
5422 } else if (wdev->preset_chandef.chan) {
5423 params.chandef = wdev->preset_chandef;
46c1dd0c 5424 } else if (!nl80211_get_ap_channel(rdev, &params))
aa430da4
JB		 5425 return -EINVAL;
5426
923b352f
AN		 5427 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
5428 wdev->iftype))
aa430da4
JB		 5429 return -EINVAL;
5430
a7c7fbff 5431 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488
TC		 5432 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5433 NL80211_ATTR_TX_RATES,
eb89a6a6 5434 &params.beacon_rate,
857b34c4 5435 dev, false);
a7c7fbff
PK		 5436 if (err)
5437 return err;
5438
8564e382
JB		 5439 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
5440 &params.beacon_rate);
a7c7fbff
PK		 5441 if (err)
5442 return err;
5443 }
5444
18998c38
EP		 5445 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5446 params.smps_mode =
5447 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5448 switch (params.smps_mode) {
5449 case NL80211_SMPS_OFF:
5450 break;
5451 case NL80211_SMPS_STATIC:
5452 if (!(rdev->wiphy.features &
5453 NL80211_FEATURE_STATIC_SMPS))
5454 return -EINVAL;
5455 break;
5456 case NL80211_SMPS_DYNAMIC:
5457 if (!(rdev->wiphy.features &
5458 NL80211_FEATURE_DYNAMIC_SMPS))
5459 return -EINVAL;
5460 break;
5461 default:
5462 return -EINVAL;
5463 }
5464 } else {
5465 params.smps_mode = NL80211_SMPS_OFF;
5466 }
5467
6e8ef842
PK		 5468 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5469 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
5470 return -EOPNOTSUPP;
5471
4baf6bea
OO		 5472 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5473 params.acl = parse_acl_data(&rdev->wiphy, info);
5474 if (IS_ERR(params.acl))
5475 return PTR_ERR(params.acl);
5476 }
5477
a0de1ca3
JC		 5478 params.twt_responder =
5479 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5480
796e90f4
JC		 5481 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5482 err = nl80211_parse_he_obss_pd(
5483 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5484 &params.he_obss_pd);
bc7a39b4
LC		 5485 if (err)
5486 goto out;
796e90f4
JC		 5487 }
5488
5c5e52d1
JC		 5489 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5490 err = nl80211_parse_he_bss_color(
5491 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5492 &params.he_bss_color);
5493 if (err)
60a0121f 5494 goto out;
5c5e52d1
JC		 5495 }
5496
291c49de
AD		 5497 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5498 err = nl80211_parse_fils_discovery(rdev,
5499 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5500 &params);
5501 if (err)
5502 goto out;
5503 }
5504
7443dcd1
AD		 5505 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5506 err = nl80211_parse_unsol_bcast_probe_resp(
5507 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5508 &params);
5509 if (err)
abaf94ec 5510 goto out;
7443dcd1
AD		 5511 }
5512
66cd794e
JB		 5513 nl80211_calculate_ap_params(&params);
5514
fe494370
SD		 5515 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5516 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5517
c56589ed 5518 wdev_lock(wdev);
e35e4d28 5519 err = rdev_start_ap(rdev, dev, &params);
46c1dd0c 5520 if (!err) {
683b6d3b 5521 wdev->preset_chandef = params.chandef;
8860020e 5522 wdev->beacon_interval = params.beacon_interval;
9e0e2961 5523 wdev->chandef = params.chandef;
06e191e2
AQ		 5524 wdev->ssid_len = params.ssid_len;
5525 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
466a3061
DK		 5526
5527 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5528 wdev->conn_owner_nlportid = info->snd_portid;
46c1dd0c 5529 }
c56589ed 5530 wdev_unlock(wdev);
77765eaf 5531
9951ebfc 5532out:
77765eaf
VT		 5533 kfree(params.acl);
5534
56d1893d 5535 return err;
ed1b6cc7
JB		 5536}
5537
8860020e
JB		 5538static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5539{
5540 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5541 struct net_device *dev = info->user_ptr[1];
5542 struct wireless_dev *wdev = dev->ieee80211_ptr;
5543 struct cfg80211_beacon_data params;
5544 int err;
5545
5546 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5547 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5548 return -EOPNOTSUPP;
5549
5550 if (!rdev->ops->change_beacon)
5551 return -EOPNOTSUPP;
5552
5553 if (!wdev->beacon_interval)
5554 return -EINVAL;
5555
81e54d08 5556 err = nl80211_parse_beacon(rdev, info->attrs, &params);
8860020e
JB		 5557 if (err)
5558 return err;
5559
c56589ed
SW		 5560 wdev_lock(wdev);
5561 err = rdev_change_beacon(rdev, dev, &params);
5562 wdev_unlock(wdev);
5563
5564 return err;
8860020e
JB		 5565}
5566
5567static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
ed1b6cc7 5568{
4c476991
JB		 5569 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5570 struct net_device *dev = info->user_ptr[1];
ed1b6cc7 5571
7c8d5e03 5572 return cfg80211_stop_ap(rdev, dev, false);
ed1b6cc7
JB		 5573}
5574
5727ef1b
JB		 5575static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5576 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5577 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5578 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
0e46724a 5579 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
b39c48fa 5580 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
d83023da 5581 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5727ef1b
JB		 5582};
5583
eccb8e8f 5584static int parse_station_flags(struct genl_info *info,
bdd3ae3d 5585 enum nl80211_iftype iftype,
eccb8e8f 5586 struct station_parameters *params)
5727ef1b
JB		 5587{
5588 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
eccb8e8f 5589 struct nlattr *nla;
5727ef1b
JB		 5590 int flag;
5591
eccb8e8f
JB		 5592 /*
5593 * Try parsing the new attribute first so userspace
5594 * can specify both for older kernels.
5595 */
5596 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5597 if (nla) {
5598 struct nl80211_sta_flag_update *sta_flags;
5599
5600 sta_flags = nla_data(nla);
5601 params->sta_flags_mask = sta_flags->mask;
5602 params->sta_flags_set = sta_flags->set;
77ee7c89 5603 params->sta_flags_set &= params->sta_flags_mask;
eccb8e8f
JB		 5604 if ((params->sta_flags_mask |
5605 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5606 return -EINVAL;
5607 return 0;
5608 }
5609
5610 /* if present, parse the old attribute */
5727ef1b 5611
eccb8e8f 5612 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5727ef1b
JB		 5613 if (!nla)
5614 return 0;
5615
8cb08174 5616 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5727ef1b
JB		 5617 return -EINVAL;
5618
bdd3ae3d
JB		 5619 /*
5620 * Only allow certain flags for interface types so that
5621 * other attributes are silently ignored. Remember that
5622 * this is backward compatibility code with old userspace
5623 * and shouldn't be hit in other cases anyway.
5624 */
5625 switch (iftype) {
5626 case NL80211_IFTYPE_AP:
5627 case NL80211_IFTYPE_AP_VLAN:
5628 case NL80211_IFTYPE_P2P_GO:
5629 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5630 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5631 BIT(NL80211_STA_FLAG_WME) |
5632 BIT(NL80211_STA_FLAG_MFP);
5633 break;
5634 case NL80211_IFTYPE_P2P_CLIENT:
5635 case NL80211_IFTYPE_STATION:
5636 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5637 BIT(NL80211_STA_FLAG_TDLS_PEER);
5638 break;
5639 case NL80211_IFTYPE_MESH_POINT:
5640 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5641 BIT(NL80211_STA_FLAG_MFP) |
5642 BIT(NL80211_STA_FLAG_AUTHORIZED);
5cf3006c 5643 break;
bdd3ae3d
JB		 5644 default:
5645 return -EINVAL;
5646 }
5727ef1b 5647
3383b5a6
JB		 5648 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5649 if (flags[flag]) {
eccb8e8f 5650 params->sta_flags_set |= (1<<flag);
5727ef1b 5651
3383b5a6
JB		 5652 /* no longer support new API additions in old API */
5653 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5654 return -EINVAL;
5655 }
5656 }
5657
5727ef1b
JB		 5658 return 0;
5659}
5660
9bb7e0f2 5661bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
c8dcfd8a
FF		 5662{
5663 struct nlattr *rate;
8eb41c8d
VK		 5664 u32 bitrate;
5665 u16 bitrate_compat;
bbf67e45 5666 enum nl80211_rate_info rate_flg;
c8dcfd8a 5667
ae0be8de 5668 rate = nla_nest_start_noflag(msg, attr);
c8dcfd8a 5669 if (!rate)
db9c64cf 5670 return false;
c8dcfd8a
FF		 5671
5672 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5673 bitrate = cfg80211_calculate_bitrate(info);
8eb41c8d
VK		 5674 /* report 16-bit bitrate only if we can */
5675 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
db9c64cf
JB		 5676 if (bitrate > 0 &&
5677 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5678 return false;
5679 if (bitrate_compat > 0 &&
5680 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5681 return false;
5682
b51f3bee
JB		 5683 switch (info->bw) {
5684 case RATE_INFO_BW_5:
5685 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5686 break;
5687 case RATE_INFO_BW_10:
5688 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5689 break;
5690 default:
5691 WARN_ON(1);
7b506ff6 5692 fallthrough;
b51f3bee
JB		 5693 case RATE_INFO_BW_20:
5694 rate_flg = 0;
5695 break;
5696 case RATE_INFO_BW_40:
5697 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5698 break;
5699 case RATE_INFO_BW_80:
5700 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5701 break;
5702 case RATE_INFO_BW_160:
5703 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5704 break;
c4cbaf79
LC		 5705 case RATE_INFO_BW_HE_RU:
5706 rate_flg = 0;
5707 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
b51f3bee
JB		 5708 }
5709
5710 if (rate_flg && nla_put_flag(msg, rate_flg))
5711 return false;
5712
db9c64cf
JB		 5713 if (info->flags & RATE_INFO_FLAGS_MCS) {
5714 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5715 return false;
db9c64cf
JB		 5716 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5717 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5718 return false;
5719 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5720 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5721 return false;
5722 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5723 return false;
db9c64cf
JB		 5724 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5725 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5726 return false;
c4cbaf79
LC		 5727 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5728 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5729 return false;
5730 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5731 return false;
5732 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5733 return false;
5734 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5735 return false;
5736 if (info->bw == RATE_INFO_BW_HE_RU &&
5737 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5738 info->he_ru_alloc))
5739 return false;
db9c64cf 5740 }
c8dcfd8a
FF		 5741
5742 nla_nest_end(msg, rate);
5743 return true;
c8dcfd8a
FF		 5744}
5745
119363c7
FF		 5746static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5747 int id)
5748{
5749 void *attr;
5750 int i = 0;
5751
5752 if (!mask)
5753 return true;
5754
ae0be8de 5755 attr = nla_nest_start_noflag(msg, id);
119363c7
FF		 5756 if (!attr)
5757 return false;
5758
5759 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5760 if (!(mask & BIT(i)))
5761 continue;
5762
5763 if (nla_put_u8(msg, i, signal[i]))
5764 return false;
5765 }
5766
5767 nla_nest_end(msg, attr);
5768
5769 return true;
5770}
5771
cf5ead82
JB		 5772static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5773 u32 seq, int flags,
66266b3a
JL		 5774 struct cfg80211_registered_device *rdev,
5775 struct net_device *dev,
98b62183 5776 const u8 *mac_addr, struct station_info *sinfo)
fd5b74dc
JB		 5777{
5778 void *hdr;
f4263c98 5779 struct nlattr *sinfoattr, *bss_param;
fd5b74dc 5780
cf5ead82 5781 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
f77bf486
AS		 5782 if (!hdr) {
5783 cfg80211_sinfo_release_content(sinfo);
fd5b74dc 5784 return -1;
f77bf486 5785 }
fd5b74dc 5786
9360ffd1
DM		 5787 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5788 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5789 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5790 goto nla_put_failure;
f5ea9120 5791
ae0be8de 5792 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
2ec600d6 5793 if (!sinfoattr)
fd5b74dc 5794 goto nla_put_failure;
319090bf
JB		 5795
5796#define PUT_SINFO(attr, memb, type) do { \
d686b920 5797 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
397c657a 5798 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
319090bf
JB		 5799 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5800 sinfo->memb)) \
5801 goto nla_put_failure; \
5802 } while (0)
d686b920 5803#define PUT_SINFO_U64(attr, memb) do { \
397c657a 5804 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
d686b920
JB		 5805 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5806 sinfo->memb, NL80211_STA_INFO_PAD)) \
5807 goto nla_put_failure; \
5808 } while (0)
319090bf
JB		 5809
5810 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5811 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6c7a0033 5812 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
319090bf 5813
397c657a
OE		 5814 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5815 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
9360ffd1 5816 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
42745e03 5817 (u32)sinfo->rx_bytes))
9360ffd1 5818 goto nla_put_failure;
319090bf 5819
397c657a
OE		 5820 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5821 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
9360ffd1 5822 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
42745e03
VK		 5823 (u32)sinfo->tx_bytes))
5824 goto nla_put_failure;
319090bf 5825
d686b920
JB		 5826 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5827 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
319090bf
JB		 5828 PUT_SINFO(LLID, llid, u16);
5829 PUT_SINFO(PLID, plid, u16);
5830 PUT_SINFO(PLINK_STATE, plink_state, u8);
d686b920 5831 PUT_SINFO_U64(RX_DURATION, rx_duration);
36647055
THJ		 5832 PUT_SINFO_U64(TX_DURATION, tx_duration);
5833
5834 if (wiphy_ext_feature_isset(&rdev->wiphy,
5835 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5836 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
319090bf 5837
66266b3a
JL		 5838 switch (rdev->wiphy.signal_type) {
5839 case CFG80211_SIGNAL_TYPE_MBM:
319090bf
JB		 5840 PUT_SINFO(SIGNAL, signal, u8);
5841 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
66266b3a
JL		 5842 break;
5843 default:
5844 break;
5845 }
397c657a 5846 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
119363c7
FF		 5847 if (!nl80211_put_signal(msg, sinfo->chains,
5848 sinfo->chain_signal,
5849 NL80211_STA_INFO_CHAIN_SIGNAL))
5850 goto nla_put_failure;
5851 }
397c657a 5852 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
119363c7
FF		 5853 if (!nl80211_put_signal(msg, sinfo->chains,
5854 sinfo->chain_signal_avg,
5855 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5856 goto nla_put_failure;
5857 }
397c657a 5858 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
c8dcfd8a
FF		 5859 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5860 NL80211_STA_INFO_TX_BITRATE))
5861 goto nla_put_failure;
5862 }
397c657a 5863 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
c8dcfd8a
FF		 5864 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5865 NL80211_STA_INFO_RX_BITRATE))
420e7fab 5866 goto nla_put_failure;
420e7fab 5867 }
319090bf
JB		 5868
5869 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5870 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5871 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5872 PUT_SINFO(TX_FAILED, tx_failed, u32);
5873 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
ab60633c 5874 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
319090bf
JB		 5875 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5876 PUT_SINFO(LOCAL_PM, local_pm, u32);
5877 PUT_SINFO(PEER_PM, peer_pm, u32);
5878 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
dbdaee7a 5879 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
1303a51c 5880 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
319090bf 5881
397c657a 5882 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
ae0be8de
MK		 5883 bss_param = nla_nest_start_noflag(msg,
5884 NL80211_STA_INFO_BSS_PARAM);
f4263c98
PS		 5885 if (!bss_param)
5886 goto nla_put_failure;
5887
9360ffd1
DM		 5888 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5889 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5890 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5891 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5892 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5893 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5894 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5895 sinfo->bss_param.dtim_period) ||
5896 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5897 sinfo->bss_param.beacon_interval))
5898 goto nla_put_failure;
f4263c98
PS		 5899
5900 nla_nest_end(msg, bss_param);
5901 }
397c657a 5902 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
9360ffd1
DM		 5903 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5904 sizeof(struct nl80211_sta_flag_update),
5905 &sinfo->sta_flags))
5906 goto nla_put_failure;
319090bf 5907
d686b920
JB		 5908 PUT_SINFO_U64(T_OFFSET, t_offset);
5909 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5910 PUT_SINFO_U64(BEACON_RX, rx_beacon);
a76b1942 5911 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
0d4e14a3
AB		 5912 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5913 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
81d5439d 5914 if (wiphy_ext_feature_isset(&rdev->wiphy,
9c06602b
BP		 5915 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5916 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5917 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5918 }
319090bf
JB		 5919
5920#undef PUT_SINFO
d686b920 5921#undef PUT_SINFO_U64
6de39808 5922
8689c051 5923 if (sinfo->pertid) {
6de39808
JB		 5924 struct nlattr *tidsattr;
5925 int tid;
5926
ae0be8de
MK		 5927 tidsattr = nla_nest_start_noflag(msg,
5928 NL80211_STA_INFO_TID_STATS);
6de39808
JB		 5929 if (!tidsattr)
5930 goto nla_put_failure;
5931
5932 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5933 struct cfg80211_tid_stats *tidstats;
5934 struct nlattr *tidattr;
5935
5936 tidstats = &sinfo->pertid[tid];
5937
5938 if (!tidstats->filled)
5939 continue;
5940
ae0be8de 5941 tidattr = nla_nest_start_noflag(msg, tid + 1);
6de39808
JB		 5942 if (!tidattr)
5943 goto nla_put_failure;
5944
d686b920 5945#define PUT_TIDVAL_U64(attr, memb) do { \
6de39808 5946 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
d686b920
JB		 5947 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5948 tidstats->memb, NL80211_TID_STATS_PAD)) \
6de39808
JB		 5949 goto nla_put_failure; \
5950 } while (0)
5951
d686b920
JB		 5952 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5953 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5954 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5955 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6de39808 5956
d686b920 5957#undef PUT_TIDVAL_U64
52539ca8
THJ		 5958 if ((tidstats->filled &
5959 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5960 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5961 NL80211_TID_STATS_TXQ_STATS))
5962 goto nla_put_failure;
5963
6de39808
JB		 5964 nla_nest_end(msg, tidattr);
5965 }
5966
5967 nla_nest_end(msg, tidsattr);
5968 }
5969
2ec600d6 5970 nla_nest_end(msg, sinfoattr);
fd5b74dc 5971
319090bf 5972 if (sinfo->assoc_req_ies_len &&
9360ffd1
DM		 5973 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5974 sinfo->assoc_req_ies))
5975 goto nla_put_failure;
50d3dfb7 5976
7ea3e110 5977 cfg80211_sinfo_release_content(sinfo);
053c095a
JB		 5978 genlmsg_end(msg, hdr);
5979 return 0;
fd5b74dc
JB		 5980
5981 nla_put_failure:
7ea3e110 5982 cfg80211_sinfo_release_content(sinfo);
bc3ed28c
TG		 5983 genlmsg_cancel(msg, hdr);
5984 return -EMSGSIZE;
fd5b74dc
JB		 5985}
5986
2ec600d6 5987static int nl80211_dump_station(struct sk_buff *skb,
bba95fef 5988 struct netlink_callback *cb)
2ec600d6 5989{
73887fd9 5990 struct station_info sinfo;
1b8ec87a 5991 struct cfg80211_registered_device *rdev;
97990a06 5992 struct wireless_dev *wdev;
2ec600d6 5993 u8 mac_addr[ETH_ALEN];
97990a06 5994 int sta_idx = cb->args[2];
2ec600d6 5995 int err;
2ec600d6 5996
5297c65c 5997 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 5998 if (err)
a05829a7
JB		 5999 return err;
6000 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6001 __acquire(&rdev->wiphy.mtx);
bba95fef 6002
97990a06
JB		 6003 if (!wdev->netdev) {
6004 err = -EINVAL;
6005 goto out_err;
6006 }
6007
1b8ec87a 6008 if (!rdev->ops->dump_station) {
eec60b03 6009 err = -EOPNOTSUPP;
bba95fef
JB		 6010 goto out_err;
6011 }
6012
bba95fef 6013 while (1) {
73887fd9 6014 memset(&sinfo, 0, sizeof(sinfo));
1b8ec87a 6015 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
73887fd9 6016 mac_addr, &sinfo);
bba95fef
JB		 6017 if (err == -ENOENT)
6018 break;
6019 if (err)
3b85875a 6020 goto out_err;
bba95fef 6021
cf5ead82 6022 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
15e47304 6023 NETLINK_CB(cb->skb).portid,
bba95fef 6024 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1b8ec87a 6025 rdev, wdev->netdev, mac_addr,
73887fd9 6026 &sinfo) < 0)
bba95fef
JB		 6027 goto out;
6028
6029 sta_idx++;
6030 }
6031
bba95fef 6032 out:
97990a06 6033 cb->args[2] = sta_idx;
bba95fef 6034 err = skb->len;
bba95fef 6035 out_err:
a05829a7 6036 wiphy_unlock(&rdev->wiphy);
bba95fef
JB		 6037
6038 return err;
2ec600d6 6039}
fd5b74dc 6040
5727ef1b
JB		 6041static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6042{
4c476991
JB		 6043 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6044 struct net_device *dev = info->user_ptr[1];
73887fd9 6045 struct station_info sinfo;
fd5b74dc
JB		 6046 struct sk_buff *msg;
6047 u8 *mac_addr = NULL;
4c476991 6048 int err;
fd5b74dc 6049
73887fd9 6050 memset(&sinfo, 0, sizeof(sinfo));
fd5b74dc 6051
73887fd9
JB		 6052 if (!info->attrs[NL80211_ATTR_MAC])
6053 return -EINVAL;
fd5b74dc
JB		 6054
6055 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6056
73887fd9
JB		 6057 if (!rdev->ops->get_station)
6058 return -EOPNOTSUPP;
3b85875a 6059
73887fd9 6060 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
fd5b74dc 6061 if (err)
73887fd9 6062 return err;
2ec600d6 6063
fd2120ca 6064 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7ea3e110 6065 if (!msg) {
ba8f566a 6066 cfg80211_sinfo_release_content(&sinfo);
73887fd9 6067 return -ENOMEM;
7ea3e110 6068 }
fd5b74dc 6069
cf5ead82
JB		 6070 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6071 info->snd_portid, info->snd_seq, 0,
73887fd9 6072 rdev, dev, mac_addr, &sinfo) < 0) {
4c476991 6073 nlmsg_free(msg);
73887fd9 6074 return -ENOBUFS;
4c476991 6075 }
3b85875a 6076
73887fd9 6077 return genlmsg_reply(msg, info);
5727ef1b
JB		 6078}
6079
77ee7c89
JB		 6080int cfg80211_check_station_change(struct wiphy *wiphy,
6081 struct station_parameters *params,
6082 enum cfg80211_station_type statype)
6083{
e4208427
AB		 6084 if (params->listen_interval != -1 &&
6085 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89 6086 return -EINVAL;
e4208427 6087
17b94247
AB		 6088 if (params->support_p2p_ps != -1 &&
6089 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6090 return -EINVAL;
6091
c72e1140 6092 if (params->aid &&
e4208427
AB		 6093 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6094 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89
JB		 6095 return -EINVAL;
6096
6097 /* When you run into this, adjust the code below for the new flag */
6098 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6099
6100 switch (statype) {
eef941e6
TP		 6101 case CFG80211_STA_MESH_PEER_KERNEL:
6102 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 6103 /*
6104 * No ignoring the TDLS flag here -- the userspace mesh
6105 * code doesn't have the bug of including TDLS in the
6106 * mask everywhere.
6107 */
6108 if (params->sta_flags_mask &
6109 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6110 BIT(NL80211_STA_FLAG_MFP) |
6111 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6112 return -EINVAL;
6113 break;
6114 case CFG80211_STA_TDLS_PEER_SETUP:
6115 case CFG80211_STA_TDLS_PEER_ACTIVE:
6116 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6117 return -EINVAL;
6118 /* ignore since it can't change */
6119 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6120 break;
6121 default:
6122 /* disallow mesh-specific things */
6123 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6124 return -EINVAL;
6125 if (params->local_pm)
6126 return -EINVAL;
6127 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6128 return -EINVAL;
6129 }
6130
6131 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6132 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6133 /* TDLS can't be set, ... */
6134 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6135 return -EINVAL;
6136 /*
6137 * ... but don't bother the driver with it. This works around
6138 * a hostapd/wpa_supplicant issue -- it always includes the
6139 * TLDS_PEER flag in the mask even for AP mode.
6140 */
6141 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6142 }
6143
47edb11b
AB		 6144 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6145 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 6146 /* reject other things that can't change */
6147 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6148 return -EINVAL;
6149 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6150 return -EINVAL;
6151 if (params->supported_rates)
6152 return -EINVAL;
c4cbaf79
LC		 6153 if (params->ext_capab || params->ht_capa || params->vht_capa ||
6154 params->he_capa)
77ee7c89
JB		 6155 return -EINVAL;
6156 }
6157
47edb11b
AB		 6158 if (statype != CFG80211_STA_AP_CLIENT &&
6159 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 6160 if (params->vlan)
6161 return -EINVAL;
6162 }
6163
6164 switch (statype) {
6165 case CFG80211_STA_AP_MLME_CLIENT:
6166 /* Use this only for authorizing/unauthorizing a station */
6167 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6168 return -EOPNOTSUPP;
6169 break;
6170 case CFG80211_STA_AP_CLIENT:
47edb11b 6171 case CFG80211_STA_AP_CLIENT_UNASSOC:
77ee7c89
JB		 6172 /* accept only the listed bits */
6173 if (params->sta_flags_mask &
6174 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6175 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6176 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6177 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6178 BIT(NL80211_STA_FLAG_WME) |
6179 BIT(NL80211_STA_FLAG_MFP)))
6180 return -EINVAL;
6181
6182 /* but authenticated/associated only if driver handles it */
6183 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6184 params->sta_flags_mask &
6185 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6186 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6187 return -EINVAL;
6188 break;
6189 case CFG80211_STA_IBSS:
6190 case CFG80211_STA_AP_STA:
6191 /* reject any changes other than AUTHORIZED */
6192 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6193 return -EINVAL;
6194 break;
6195 case CFG80211_STA_TDLS_PEER_SETUP:
6196 /* reject any changes other than AUTHORIZED or WME */
6197 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6198 BIT(NL80211_STA_FLAG_WME)))
6199 return -EINVAL;
6200 /* force (at least) rates when authorizing */
6201 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6202 !params->supported_rates)
6203 return -EINVAL;
6204 break;
6205 case CFG80211_STA_TDLS_PEER_ACTIVE:
6206 /* reject any changes */
6207 return -EINVAL;
eef941e6 6208 case CFG80211_STA_MESH_PEER_KERNEL:
77ee7c89
JB		 6209 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6210 return -EINVAL;
6211 break;
eef941e6 6212 case CFG80211_STA_MESH_PEER_USER:
42925040
CYY		 6213 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6214 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
77ee7c89
JB		 6215 return -EINVAL;
6216 break;
6217 }
6218
06f7c88c
BL		 6219 /*
6220 * Older kernel versions ignored this attribute entirely, so don't
6221 * reject attempts to update it but mark it as unused instead so the
6222 * driver won't look at the data.
6223 */
6224 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6225 statype != CFG80211_STA_TDLS_PEER_SETUP)
6226 params->opmode_notif_used = false;
6227
77ee7c89
JB		 6228 return 0;
6229}
6230EXPORT_SYMBOL(cfg80211_check_station_change);
6231
5727ef1b 6232/*
c258d2de 6233 * Get vlan interface making sure it is running and on the right wiphy.
5727ef1b 6234 */
80b99899
JB		 6235static struct net_device *get_vlan(struct genl_info *info,
6236 struct cfg80211_registered_device *rdev)
5727ef1b 6237{
463d0183 6238 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
80b99899
JB		 6239 struct net_device *v;
6240 int ret;
6241
6242 if (!vlanattr)
6243 return NULL;
6244
6245 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6246 if (!v)
6247 return ERR_PTR(-ENODEV);
6248
6249 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6250 ret = -EINVAL;
6251 goto error;
5727ef1b 6252 }
80b99899 6253
77ee7c89
JB		 6254 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6255 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6256 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6257 ret = -EINVAL;
6258 goto error;
6259 }
6260
80b99899
JB		 6261 if (!netif_running(v)) {
6262 ret = -ENETDOWN;
6263 goto error;
6264 }
6265
6266 return v;
6267 error:
6268 dev_put(v);
6269 return ERR_PTR(ret);
5727ef1b
JB		 6270}
6271
94e860f1
JB		 6272static const struct nla_policy
6273nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
df881293
JM		 6274 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6275 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6276};
6277
ff276691
JB		 6278static int nl80211_parse_sta_wme(struct genl_info *info,
6279 struct station_parameters *params)
df881293 6280{
df881293
JM		 6281 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6282 struct nlattr *nla;
6283 int err;
6284
df881293
JM		 6285 /* parse WME attributes if present */
6286 if (!info->attrs[NL80211_ATTR_STA_WME])
6287 return 0;
6288
6289 nla = info->attrs[NL80211_ATTR_STA_WME];
8cb08174
JB		 6290 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6291 nl80211_sta_wme_policy,
6292 info->extack);
df881293
JM		 6293 if (err)
6294 return err;
6295
6296 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6297 params->uapsd_queues = nla_get_u8(
6298 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6299 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6300 return -EINVAL;
6301
6302 if (tb[NL80211_STA_WME_MAX_SP])
6303 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6304
6305 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6306 return -EINVAL;
6307
6308 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6309
6310 return 0;
6311}
6312
c01fc9ad
SD		 6313static int nl80211_parse_sta_channel_info(struct genl_info *info,
6314 struct station_parameters *params)
6315{
6316 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6317 params->supported_channels =
6318 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6319 params->supported_channels_len =
6320 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6321 /*
6322 * Need to include at least one (first channel, number of
cb9abd48
JB		 6323 * channels) tuple for each subband (checked in policy),
6324 * and must have proper tuples for the rest of the data as well.
c01fc9ad 6325 */
c01fc9ad
SD		 6326 if (params->supported_channels_len % 2)
6327 return -EINVAL;
6328 }
6329
6330 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6331 params->supported_oper_classes =
6332 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6333 params->supported_oper_classes_len =
6334 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
c01fc9ad
SD		 6335 }
6336 return 0;
6337}
6338
ff276691
JB		 6339static int nl80211_set_station_tdls(struct genl_info *info,
6340 struct station_parameters *params)
6341{
c01fc9ad 6342 int err;
ff276691 6343 /* Dummy STA entry gets updated once the peer capabilities are known */
5e4b6f56
JM		 6344 if (info->attrs[NL80211_ATTR_PEER_AID])
6345 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
ff276691
JB		 6346 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6347 params->ht_capa =
6348 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6349 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6350 params->vht_capa =
6351 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
c4cbaf79
LC		 6352 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6353 params->he_capa =
6354 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6355 params->he_capa_len =
6356 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
c4cbaf79 6357 }
ff276691 6358
c01fc9ad
SD		 6359 err = nl80211_parse_sta_channel_info(info, params);
6360 if (err)
6361 return err;
6362
ff276691
JB		 6363 return nl80211_parse_sta_wme(info, params);
6364}
6365
e96d1cd2
ARN		 6366static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6367 struct station_parameters *params)
6368{
6369 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6370 int idx;
6371
6372 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6373 if (!rdev->ops->set_tx_power ||
6374 !wiphy_ext_feature_isset(&rdev->wiphy,
6375 NL80211_EXT_FEATURE_STA_TX_PWR))
6376 return -EOPNOTSUPP;
6377
6378 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6379 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6380
6381 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6382 idx = NL80211_ATTR_STA_TX_POWER;
6383
6384 if (info->attrs[idx])
6385 params->txpwr.power =
6386 nla_get_s16(info->attrs[idx]);
6387 else
6388 return -EINVAL;
6389 }
6390 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6391 }
6392
6393 return 0;
6394}
6395
5727ef1b
JB		 6396static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6397{
4c476991 6398 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 6399 struct net_device *dev = info->user_ptr[1];
5727ef1b 6400 struct station_parameters params;
77ee7c89
JB		 6401 u8 *mac_addr;
6402 int err;
5727ef1b
JB		 6403
6404 memset(&params, 0, sizeof(params));
6405
77ee7c89
JB		 6406 if (!rdev->ops->change_station)
6407 return -EOPNOTSUPP;
6408
e4208427
AB		 6409 /*
6410 * AID and listen_interval properties can be set only for unassociated
6411 * station. Include these parameters here and will check them in
6412 * cfg80211_check_station_change().
6413 */
a9bc31e4
AB		 6414 if (info->attrs[NL80211_ATTR_STA_AID])
6415 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
e4208427 6416
14f34e36
GG		 6417 if (info->attrs[NL80211_ATTR_VLAN_ID])
6418 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6419
e4208427
AB		 6420 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6421 params.listen_interval =
6422 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6423 else
6424 params.listen_interval = -1;
5727ef1b 6425
ab0d76f6
JB		 6426 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6427 params.support_p2p_ps =
6428 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6429 else
17b94247 6430 params.support_p2p_ps = -1;
17b94247 6431
5727ef1b
JB		 6432 if (!info->attrs[NL80211_ATTR_MAC])
6433 return -EINVAL;
6434
6435 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6436
6437 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6438 params.supported_rates =
6439 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6440 params.supported_rates_len =
6441 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6442 }
6443
9d62a986
JM		 6444 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6445 params.capability =
6446 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6447 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6448 }
6449
6450 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6451 params.ext_capab =
6452 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6453 params.ext_capab_len =
6454 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6455 }
6456
bdd3ae3d 6457 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 6458 return -EINVAL;
6459
ab0d76f6 6460 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2ec600d6 6461 params.plink_action =
f8bacc21 6462 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2ec600d6 6463
f8bacc21 6464 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
9c3990aa 6465 params.plink_state =
f8bacc21 6466 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
ab0d76f6 6467 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7d27a0ba
MH		 6468 params.peer_aid = nla_get_u16(
6469 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
f8bacc21
JB		 6470 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6471 }
9c3990aa 6472
ab0d76f6
JB		 6473 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6474 params.local_pm = nla_get_u32(
3b1c5a53
MP		 6475 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6476
06f7c88c
BL		 6477 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6478 params.opmode_notif_used = true;
6479 params.opmode_notif =
6480 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6481 }
6482
43e64bf3
RM		 6483 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6484 params.he_6ghz_capa =
fce2ff72 6485 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
43e64bf3 6486
36647055
THJ		 6487 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6488 params.airtime_weight =
6489 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6490
6491 if (params.airtime_weight &&
6492 !wiphy_ext_feature_isset(&rdev->wiphy,
6493 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6494 return -EOPNOTSUPP;
6495
e96d1cd2
ARN		 6496 err = nl80211_parse_sta_txpower_setting(info, &params);
6497 if (err)
6498 return err;
6499
77ee7c89
JB		 6500 /* Include parameters for TDLS peer (will check later) */
6501 err = nl80211_set_station_tdls(info, &params);
6502 if (err)
6503 return err;
6504
6505 params.vlan = get_vlan(info, rdev);
6506 if (IS_ERR(params.vlan))
6507 return PTR_ERR(params.vlan);
6508
a97f4424
JB		 6509 switch (dev->ieee80211_ptr->iftype) {
6510 case NL80211_IFTYPE_AP:
6511 case NL80211_IFTYPE_AP_VLAN:
074ac8df 6512 case NL80211_IFTYPE_P2P_GO:
074ac8df 6513 case NL80211_IFTYPE_P2P_CLIENT:
a97f4424 6514 case NL80211_IFTYPE_STATION:
267335d6 6515 case NL80211_IFTYPE_ADHOC:
a97f4424 6516 case NL80211_IFTYPE_MESH_POINT:
a97f4424
JB		 6517 break;
6518 default:
77ee7c89
JB		 6519 err = -EOPNOTSUPP;
6520 goto out_put_vlan;
034d655e
JB		 6521 }
6522
77ee7c89 6523 /* driver will call cfg80211_check_station_change() */
e35e4d28 6524 err = rdev_change_station(rdev, dev, mac_addr, &params);
5727ef1b 6525
77ee7c89 6526 out_put_vlan:
5727ef1b
JB		 6527 if (params.vlan)
6528 dev_put(params.vlan);
3b85875a 6529
5727ef1b
JB		 6530 return err;
6531}
6532
6533static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6534{
4c476991 6535 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5727ef1b 6536 int err;
4c476991 6537 struct net_device *dev = info->user_ptr[1];
5727ef1b
JB		 6538 struct station_parameters params;
6539 u8 *mac_addr = NULL;
bda95eb1
JB		 6540 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6541 BIT(NL80211_STA_FLAG_ASSOCIATED);
5727ef1b
JB		 6542
6543 memset(&params, 0, sizeof(params));
6544
984c311b
JB		 6545 if (!rdev->ops->add_station)
6546 return -EOPNOTSUPP;
6547
5727ef1b
JB		 6548 if (!info->attrs[NL80211_ATTR_MAC])
6549 return -EINVAL;
6550
5727ef1b
JB		 6551 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6552 return -EINVAL;
6553
6554 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6555 return -EINVAL;
6556
5e4b6f56
JM		 6557 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6558 !info->attrs[NL80211_ATTR_PEER_AID])
0e956c13
TLSC		 6559 return -EINVAL;
6560
5727ef1b
JB		 6561 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6562 params.supported_rates =
6563 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6564 params.supported_rates_len =
6565 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6566 params.listen_interval =
6567 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
51b50fbe 6568
14f34e36
GG		 6569 if (info->attrs[NL80211_ATTR_VLAN_ID])
6570 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6571
17b94247 6572 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
ab0d76f6
JB		 6573 params.support_p2p_ps =
6574 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
17b94247
AB		 6575 } else {
6576 /*
6577 * if not specified, assume it's supported for P2P GO interface,
6578 * and is NOT supported for AP interface
6579 */
6580 params.support_p2p_ps =
6581 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6582 }
6583
3d124ea2 6584 if (info->attrs[NL80211_ATTR_PEER_AID])
5e4b6f56 6585 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3d124ea2
JM		 6586 else
6587 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
51b50fbe 6588
9d62a986
JM		 6589 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6590 params.capability =
6591 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6592 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6593 }
6594
6595 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6596 params.ext_capab =
6597 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6598 params.ext_capab_len =
6599 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6600 }
6601
36aedc90
JM		 6602 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6603 params.ht_capa =
6604 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5727ef1b 6605
f461be3e
MP		 6606 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6607 params.vht_capa =
6608 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6609
c4cbaf79
LC		 6610 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6611 params.he_capa =
6612 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6613 params.he_capa_len =
6614 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
c4cbaf79
LC		 6615 }
6616
43e64bf3
RM		 6617 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6618 params.he_6ghz_capa =
6619 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6620
60f4a7b1
MK		 6621 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6622 params.opmode_notif_used = true;
6623 params.opmode_notif =
6624 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6625 }
6626
ab0d76f6 6627 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
96b78dff 6628 params.plink_action =
f8bacc21 6629 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
96b78dff 6630
36647055
THJ		 6631 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6632 params.airtime_weight =
6633 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6634
6635 if (params.airtime_weight &&
6636 !wiphy_ext_feature_isset(&rdev->wiphy,
6637 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6638 return -EOPNOTSUPP;
6639
e96d1cd2
ARN		 6640 err = nl80211_parse_sta_txpower_setting(info, &params);
6641 if (err)
6642 return err;
6643
c01fc9ad
SD		 6644 err = nl80211_parse_sta_channel_info(info, &params);
6645 if (err)
6646 return err;
6647
ff276691
JB		 6648 err = nl80211_parse_sta_wme(info, &params);
6649 if (err)
6650 return err;
bdd90d5e 6651
bdd3ae3d 6652 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 6653 return -EINVAL;
6654
496fcc29
JB		 6655 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6656 * as userspace might just pass through the capabilities from the IEs
6657 * directly, rather than enforcing this restriction and returning an
6658 * error in this case.
6659 */
6660 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6661 params.ht_capa = NULL;
6662 params.vht_capa = NULL;
c4cbaf79
LC		 6663
6664 /* HE requires WME */
43e64bf3 6665 if (params.he_capa_len || params.he_6ghz_capa)
c4cbaf79 6666 return -EINVAL;
496fcc29
JB		 6667 }
6668
43e64bf3
RM		 6669 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6670 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6671 return -EINVAL;
6672
77ee7c89
JB		 6673 /* When you run into this, adjust the code below for the new flag */
6674 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6675
bdd90d5e
JB		 6676 switch (dev->ieee80211_ptr->iftype) {
6677 case NL80211_IFTYPE_AP:
6678 case NL80211_IFTYPE_AP_VLAN:
6679 case NL80211_IFTYPE_P2P_GO:
984c311b
JB		 6680 /* ignore WME attributes if iface/sta is not capable */
6681 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6682 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6683 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
c75786c9 6684
bdd90d5e 6685 /* TDLS peers cannot be added */
3d124ea2
JM		 6686 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6687 info->attrs[NL80211_ATTR_PEER_AID])
4319e193 6688 return -EINVAL;
bdd90d5e
JB		 6689 /* but don't bother the driver with it */
6690 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3b9ce80c 6691
d582cffb
JB		 6692 /* allow authenticated/associated only if driver handles it */
6693 if (!(rdev->wiphy.features &
6694 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
bda95eb1 6695 params.sta_flags_mask & auth_assoc)
d582cffb
JB		 6696 return -EINVAL;
6697
bda95eb1
JB		 6698 /* Older userspace, or userspace wanting to be compatible with
6699 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6700 * and assoc flags in the mask, but assumes the station will be
6701 * added as associated anyway since this was the required driver
6702 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6703 * introduced.
6704 * In order to not bother drivers with this quirk in the API
6705 * set the flags in both the mask and set for new stations in
6706 * this case.
6707 */
6708 if (!(params.sta_flags_mask & auth_assoc)) {
6709 params.sta_flags_mask |= auth_assoc;
6710 params.sta_flags_set |= auth_assoc;
6711 }
6712
bdd90d5e
JB		 6713 /* must be last in here for error handling */
6714 params.vlan = get_vlan(info, rdev);
6715 if (IS_ERR(params.vlan))
6716 return PTR_ERR(params.vlan);
6717 break;
6718 case NL80211_IFTYPE_MESH_POINT:
984c311b
JB		 6719 /* ignore uAPSD data */
6720 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6721
d582cffb
JB		 6722 /* associated is disallowed */
6723 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6724 return -EINVAL;
bdd90d5e 6725 /* TDLS peers cannot be added */
3d124ea2
JM		 6726 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6727 info->attrs[NL80211_ATTR_PEER_AID])
bdd90d5e
JB		 6728 return -EINVAL;
6729 break;
6730 case NL80211_IFTYPE_STATION:
93d08f0b 6731 case NL80211_IFTYPE_P2P_CLIENT:
984c311b
JB		 6732 /* ignore uAPSD data */
6733 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6734
77ee7c89
JB		 6735 /* these are disallowed */
6736 if (params.sta_flags_mask &
6737 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6738 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
d582cffb 6739 return -EINVAL;
bdd90d5e
JB		 6740 /* Only TDLS peers can be added */
6741 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6742 return -EINVAL;
6743 /* Can only add if TDLS ... */
6744 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6745 return -EOPNOTSUPP;
6746 /* ... with external setup is supported */
6747 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6748 return -EOPNOTSUPP;
77ee7c89
JB		 6749 /*
6750 * Older wpa_supplicant versions always mark the TDLS peer
6751 * as authorized, but it shouldn't yet be.
6752 */
6753 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
bdd90d5e
JB		 6754 break;
6755 default:
6756 return -EOPNOTSUPP;
c75786c9
EP		 6757 }
6758
bdd90d5e 6759 /* be aware of params.vlan when changing code here */
5727ef1b 6760
e35e4d28 6761 err = rdev_add_station(rdev, dev, mac_addr, &params);
5727ef1b 6762
5727ef1b
JB		 6763 if (params.vlan)
6764 dev_put(params.vlan);
5727ef1b
JB		 6765 return err;
6766}
6767
6768static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6769{
4c476991
JB		 6770 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6771 struct net_device *dev = info->user_ptr[1];
89c771e5
JM		 6772 struct station_del_parameters params;
6773
6774 memset(&params, 0, sizeof(params));
5727ef1b
JB		 6775
6776 if (info->attrs[NL80211_ATTR_MAC])
89c771e5 6777 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5727ef1b 6778
306b79ea
JB		 6779 switch (dev->ieee80211_ptr->iftype) {
6780 case NL80211_IFTYPE_AP:
6781 case NL80211_IFTYPE_AP_VLAN:
6782 case NL80211_IFTYPE_MESH_POINT:
6783 case NL80211_IFTYPE_P2P_GO:
6784 /* always accept these */
6785 break;
6786 case NL80211_IFTYPE_ADHOC:
6787 /* conditionally accept */
6788 if (wiphy_ext_feature_isset(&rdev->wiphy,
6789 NL80211_EXT_FEATURE_DEL_IBSS_STA))
6790 break;
edafcf42 6791 return -EINVAL;
306b79ea 6792 default:
4c476991 6793 return -EINVAL;
306b79ea 6794 }
5727ef1b 6795
4c476991
JB		 6796 if (!rdev->ops->del_station)
6797 return -EOPNOTSUPP;
3b85875a 6798
98856866
JM		 6799 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6800 params.subtype =
6801 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6802 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6803 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6804 return -EINVAL;
6805 } else {
6806 /* Default to Deauthentication frame */
6807 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6808 }
6809
6810 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6811 params.reason_code =
6812 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6813 if (params.reason_code == 0)
6814 return -EINVAL; /* 0 is reserved */
6815 } else {
6816 /* Default to reason code 2 */
6817 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6818 }
6819
89c771e5 6820 return rdev_del_station(rdev, dev, &params);
5727ef1b
JB		 6821}
6822
15e47304 6823static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
2ec600d6
LCC		 6824 int flags, struct net_device *dev,
6825 u8 *dst, u8 *next_hop,
6826 struct mpath_info *pinfo)
6827{
6828 void *hdr;
6829 struct nlattr *pinfoattr;
6830
1ef4c850 6831 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
2ec600d6
LCC		 6832 if (!hdr)
6833 return -1;
6834
9360ffd1
DM		 6835 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6836 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6837 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6838 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6839 goto nla_put_failure;
f5ea9120 6840
ae0be8de 6841 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
2ec600d6
LCC		 6842 if (!pinfoattr)
6843 goto nla_put_failure;
9360ffd1
DM		 6844 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6845 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6846 pinfo->frame_qlen))
6847 goto nla_put_failure;
6848 if (((pinfo->filled & MPATH_INFO_SN) &&
6849 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6850 ((pinfo->filled & MPATH_INFO_METRIC) &&
6851 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6852 pinfo->metric)) ||
6853 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6854 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6855 pinfo->exptime)) ||
6856 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6857 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6858 pinfo->flags)) ||
6859 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6860 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6861 pinfo->discovery_timeout)) ||
6862 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6863 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
cc241636
JH		 6864 pinfo->discovery_retries)) ||
6865 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6866 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
540bbcb9
JH		 6867 pinfo->hop_count)) ||
6868 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6869 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6870 pinfo->path_change_count)))
9360ffd1 6871 goto nla_put_failure;
2ec600d6
LCC		 6872
6873 nla_nest_end(msg, pinfoattr);
6874
053c095a
JB		 6875 genlmsg_end(msg, hdr);
6876 return 0;
2ec600d6
LCC		 6877
6878 nla_put_failure:
bc3ed28c
TG		 6879 genlmsg_cancel(msg, hdr);
6880 return -EMSGSIZE;
2ec600d6
LCC		 6881}
6882
6883static int nl80211_dump_mpath(struct sk_buff *skb,
bba95fef 6884 struct netlink_callback *cb)
2ec600d6 6885{
2ec600d6 6886 struct mpath_info pinfo;
1b8ec87a 6887 struct cfg80211_registered_device *rdev;
97990a06 6888 struct wireless_dev *wdev;
2ec600d6
LCC		 6889 u8 dst[ETH_ALEN];
6890 u8 next_hop[ETH_ALEN];
97990a06 6891 int path_idx = cb->args[2];
2ec600d6 6892 int err;
2ec600d6 6893
5297c65c 6894 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 6895 if (err)
a05829a7
JB		 6896 return err;
6897 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6898 __acquire(&rdev->wiphy.mtx);
bba95fef 6899
1b8ec87a 6900 if (!rdev->ops->dump_mpath) {
eec60b03 6901 err = -EOPNOTSUPP;
bba95fef
JB		 6902 goto out_err;
6903 }
6904
97990a06 6905 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
eec60b03 6906 err = -EOPNOTSUPP;
0448b5fc 6907 goto out_err;
eec60b03
JM		 6908 }
6909
bba95fef 6910 while (1) {
1b8ec87a 6911 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
97990a06 6912 next_hop, &pinfo);
bba95fef 6913 if (err == -ENOENT)
2ec600d6 6914 break;
bba95fef 6915 if (err)
3b85875a 6916 goto out_err;
2ec600d6 6917
15e47304 6918 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
bba95fef 6919 cb->nlh->nlmsg_seq, NLM_F_MULTI,
97990a06 6920 wdev->netdev, dst, next_hop,
bba95fef
JB		 6921 &pinfo) < 0)
6922 goto out;
2ec600d6 6923
bba95fef 6924 path_idx++;
2ec600d6 6925 }
2ec600d6 6926
bba95fef 6927 out:
97990a06 6928 cb->args[2] = path_idx;
bba95fef 6929 err = skb->len;
bba95fef 6930 out_err:
a05829a7 6931 wiphy_unlock(&rdev->wiphy);
bba95fef 6932 return err;
2ec600d6
LCC		 6933}
6934
6935static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6936{
4c476991 6937 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 6938 int err;
4c476991 6939 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6940 struct mpath_info pinfo;
6941 struct sk_buff *msg;
6942 u8 *dst = NULL;
6943 u8 next_hop[ETH_ALEN];
6944
6945 memset(&pinfo, 0, sizeof(pinfo));
6946
6947 if (!info->attrs[NL80211_ATTR_MAC])
6948 return -EINVAL;
6949
6950 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6951
4c476991
JB		 6952 if (!rdev->ops->get_mpath)
6953 return -EOPNOTSUPP;
2ec600d6 6954
4c476991
JB		 6955 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6956 return -EOPNOTSUPP;
eec60b03 6957
e35e4d28 6958 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
2ec600d6 6959 if (err)
4c476991 6960 return err;
2ec600d6 6961
fd2120ca 6962 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2ec600d6 6963 if (!msg)
4c476991 6964 return -ENOMEM;
2ec600d6 6965
15e47304 6966 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4c476991
JB		 6967 dev, dst, next_hop, &pinfo) < 0) {
6968 nlmsg_free(msg);
6969 return -ENOBUFS;
6970 }
3b85875a 6971
4c476991 6972 return genlmsg_reply(msg, info);
2ec600d6
LCC		 6973}
6974
6975static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6976{
4c476991
JB		 6977 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6978 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6979 u8 *dst = NULL;
6980 u8 *next_hop = NULL;
6981
6982 if (!info->attrs[NL80211_ATTR_MAC])
6983 return -EINVAL;
6984
6985 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6986 return -EINVAL;
6987
6988 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6989 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6990
4c476991
JB		 6991 if (!rdev->ops->change_mpath)
6992 return -EOPNOTSUPP;
35a8efe1 6993
4c476991
JB		 6994 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6995 return -EOPNOTSUPP;
2ec600d6 6996
e35e4d28 6997 return rdev_change_mpath(rdev, dev, dst, next_hop);
2ec600d6 6998}
4c476991 6999
2ec600d6
LCC		 7000static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7001{
4c476991
JB		 7002 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7003 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7004 u8 *dst = NULL;
7005 u8 *next_hop = NULL;
7006
7007 if (!info->attrs[NL80211_ATTR_MAC])
7008 return -EINVAL;
7009
7010 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7011 return -EINVAL;
7012
7013 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7014 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7015
4c476991
JB		 7016 if (!rdev->ops->add_mpath)
7017 return -EOPNOTSUPP;
35a8efe1 7018
4c476991
JB		 7019 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7020 return -EOPNOTSUPP;
2ec600d6 7021
e35e4d28 7022 return rdev_add_mpath(rdev, dev, dst, next_hop);
2ec600d6
LCC		 7023}
7024
7025static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7026{
4c476991
JB		 7027 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7028 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 7029 u8 *dst = NULL;
7030
7031 if (info->attrs[NL80211_ATTR_MAC])
7032 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7033
4c476991
JB		 7034 if (!rdev->ops->del_mpath)
7035 return -EOPNOTSUPP;
3b85875a 7036
b501426c
MP		 7037 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7038 return -EOPNOTSUPP;
7039
e35e4d28 7040 return rdev_del_mpath(rdev, dev, dst);
2ec600d6
LCC		 7041}
7042
66be7d2b
HR		 7043static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7044{
7045 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7046 int err;
7047 struct net_device *dev = info->user_ptr[1];
7048 struct mpath_info pinfo;
7049 struct sk_buff *msg;
7050 u8 *dst = NULL;
7051 u8 mpp[ETH_ALEN];
7052
7053 memset(&pinfo, 0, sizeof(pinfo));
7054
7055 if (!info->attrs[NL80211_ATTR_MAC])
7056 return -EINVAL;
7057
7058 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7059
7060 if (!rdev->ops->get_mpp)
7061 return -EOPNOTSUPP;
7062
7063 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7064 return -EOPNOTSUPP;
7065
7066 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7067 if (err)
7068 return err;
7069
7070 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7071 if (!msg)
7072 return -ENOMEM;
7073
7074 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7075 dev, dst, mpp, &pinfo) < 0) {
7076 nlmsg_free(msg);
7077 return -ENOBUFS;
7078 }
7079
7080 return genlmsg_reply(msg, info);
7081}
7082
7083static int nl80211_dump_mpp(struct sk_buff *skb,
7084 struct netlink_callback *cb)
7085{
7086 struct mpath_info pinfo;
7087 struct cfg80211_registered_device *rdev;
7088 struct wireless_dev *wdev;
7089 u8 dst[ETH_ALEN];
7090 u8 mpp[ETH_ALEN];
7091 int path_idx = cb->args[2];
7092 int err;
7093
5297c65c 7094 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
66be7d2b 7095 if (err)
a05829a7
JB		 7096 return err;
7097 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7098 __acquire(&rdev->wiphy.mtx);
66be7d2b
HR		 7099
7100 if (!rdev->ops->dump_mpp) {
7101 err = -EOPNOTSUPP;
7102 goto out_err;
7103 }
7104
7105 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7106 err = -EOPNOTSUPP;
7107 goto out_err;
7108 }
7109
7110 while (1) {
7111 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7112 mpp, &pinfo);
7113 if (err == -ENOENT)
7114 break;
7115 if (err)
7116 goto out_err;
7117
7118 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7119 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7120 wdev->netdev, dst, mpp,
7121 &pinfo) < 0)
7122 goto out;
7123
7124 path_idx++;
7125 }
7126
7127 out:
7128 cb->args[2] = path_idx;
7129 err = skb->len;
7130 out_err:
a05829a7 7131 wiphy_unlock(&rdev->wiphy);
66be7d2b
HR		 7132 return err;
7133}
7134
9f1ba906
JM		 7135static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7136{
4c476991
JB		 7137 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7138 struct net_device *dev = info->user_ptr[1];
c56589ed 7139 struct wireless_dev *wdev = dev->ieee80211_ptr;
9f1ba906 7140 struct bss_parameters params;
c56589ed 7141 int err;
9f1ba906
JM		 7142
7143 memset(&params, 0, sizeof(params));
7144 /* default to not changing parameters */
7145 params.use_cts_prot = -1;
7146 params.use_short_preamble = -1;
7147 params.use_short_slot_time = -1;
fd8aaaf3 7148 params.ap_isolate = -1;
50b12f59 7149 params.ht_opmode = -1;
53cabad7
JB		 7150 params.p2p_ctwindow = -1;
7151 params.p2p_opp_ps = -1;
9f1ba906
JM		 7152
7153 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7154 params.use_cts_prot =
7155 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7156 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7157 params.use_short_preamble =
7158 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7159 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7160 params.use_short_slot_time =
7161 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
90c97a04
JM		 7162 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7163 params.basic_rates =
7164 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7165 params.basic_rates_len =
7166 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7167 }
fd8aaaf3
FF		 7168 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7169 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
50b12f59
HS		 7170 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7171 params.ht_opmode =
7172 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
9f1ba906 7173
53cabad7
JB		 7174 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7175 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7176 return -EINVAL;
7177 params.p2p_ctwindow =
ab0d76f6 7178 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 7179 if (params.p2p_ctwindow != 0 &&
7180 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7181 return -EINVAL;
7182 }
7183
7184 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7185 u8 tmp;
7186
7187 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7188 return -EINVAL;
7189 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 7190 params.p2p_opp_ps = tmp;
7191 if (params.p2p_opp_ps &&
7192 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7193 return -EINVAL;
7194 }
7195
4c476991
JB		 7196 if (!rdev->ops->change_bss)
7197 return -EOPNOTSUPP;
9f1ba906 7198
074ac8df 7199 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991
JB		 7200 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7201 return -EOPNOTSUPP;
3b85875a 7202
c56589ed
SW		 7203 wdev_lock(wdev);
7204 err = rdev_change_bss(rdev, dev, &params);
7205 wdev_unlock(wdev);
7206
7207 return err;
9f1ba906
JM		 7208}
7209
b2e1b302
LR		 7210static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7211{
b2e1b302 7212 char *data = NULL;
05050753 7213 bool is_indoor;
57b5ce07 7214 enum nl80211_user_reg_hint_type user_reg_hint_type;
05050753
I		 7215 u32 owner_nlportid;
7216
80778f18
LR		 7217 /*
7218 * You should only get this when cfg80211 hasn't yet initialized
7219 * completely when built-in to the kernel right between the time
7220 * window between nl80211_init() and regulatory_init(), if that is
7221 * even possible.
7222 */
458f4f9e 7223 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
fe33eb39 7224 return -EINPROGRESS;
80778f18 7225
57b5ce07
LR		 7226 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7227 user_reg_hint_type =
7228 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7229 else
7230 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7231
7232 switch (user_reg_hint_type) {
7233 case NL80211_USER_REG_HINT_USER:
7234 case NL80211_USER_REG_HINT_CELL_BASE:
52616f2b
IP		 7235 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7236 return -EINVAL;
7237
7238 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7239 return regulatory_hint_user(data, user_reg_hint_type);
7240 case NL80211_USER_REG_HINT_INDOOR:
05050753
I		 7241 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7242 owner_nlportid = info->snd_portid;
7243 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7244 } else {
7245 owner_nlportid = 0;
7246 is_indoor = true;
7247 }
7248
7249 return regulatory_hint_indoor(is_indoor, owner_nlportid);
57b5ce07
LR		 7250 default:
7251 return -EINVAL;
7252 }
b2e1b302
LR		 7253}
7254
1ea4ff3e
JB		 7255static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7256{
7257 return reg_reload_regdb();
7258}
7259
24bdd9f4 7260static int nl80211_get_mesh_config(struct sk_buff *skb,
29cbe68c 7261 struct genl_info *info)
93da9cc1 7262{
4c476991 7263 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 7264 struct net_device *dev = info->user_ptr[1];
29cbe68c
JB		 7265 struct wireless_dev *wdev = dev->ieee80211_ptr;
7266 struct mesh_config cur_params;
7267 int err = 0;
93da9cc1 7268 void *hdr;
7269 struct nlattr *pinfoattr;
7270 struct sk_buff *msg;
7271
29cbe68c
JB		 7272 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7273 return -EOPNOTSUPP;
7274
24bdd9f4 7275 if (!rdev->ops->get_mesh_config)
4c476991 7276 return -EOPNOTSUPP;
f3f92586 7277
29cbe68c
JB		 7278 wdev_lock(wdev);
7279 /* If not connected, get default parameters */
7280 if (!wdev->mesh_id_len)
7281 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7282 else
e35e4d28 7283 err = rdev_get_mesh_config(rdev, dev, &cur_params);
29cbe68c
JB		 7284 wdev_unlock(wdev);
7285
93da9cc1 7286 if (err)
4c476991 7287 return err;
93da9cc1 7288
7289 /* Draw up a netlink message to send back */
fd2120ca 7290 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 7291 if (!msg)
7292 return -ENOMEM;
15e47304 7293 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
24bdd9f4 7294 NL80211_CMD_GET_MESH_CONFIG);
93da9cc1 7295 if (!hdr)
efe1cf0c 7296 goto out;
ae0be8de 7297 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
93da9cc1 7298 if (!pinfoattr)
7299 goto nla_put_failure;
9360ffd1
DM		 7300 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7301 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7302 cur_params.dot11MeshRetryTimeout) ||
7303 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7304 cur_params.dot11MeshConfirmTimeout) ||
7305 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7306 cur_params.dot11MeshHoldingTimeout) ||
7307 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7308 cur_params.dot11MeshMaxPeerLinks) ||
7309 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7310 cur_params.dot11MeshMaxRetries) ||
7311 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7312 cur_params.dot11MeshTTL) ||
7313 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7314 cur_params.element_ttl) ||
7315 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7316 cur_params.auto_open_plinks) ||
7eab0f64
JL		 7317 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7318 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
9360ffd1
DM		 7319 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7320 cur_params.dot11MeshHWMPmaxPREQretries) ||
7321 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7322 cur_params.path_refresh_time) ||
7323 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7324 cur_params.min_discovery_timeout) ||
7325 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7326 cur_params.dot11MeshHWMPactivePathTimeout) ||
7327 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7328 cur_params.dot11MeshHWMPpreqMinInterval) ||
7329 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7330 cur_params.dot11MeshHWMPperrMinInterval) ||
7331 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7332 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7333 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7334 cur_params.dot11MeshHWMPRootMode) ||
7335 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7336 cur_params.dot11MeshHWMPRannInterval) ||
7337 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7338 cur_params.dot11MeshGateAnnouncementProtocol) ||
7339 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7340 cur_params.dot11MeshForwarding) ||
335d5349 7341 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
70c33eaa
AN		 7342 cur_params.rssi_threshold) ||
7343 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 7344 cur_params.ht_opmode) ||
7345 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7346 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7347 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 7348 cur_params.dot11MeshHWMProotInterval) ||
7349 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3b1c5a53
MP		 7350 cur_params.dot11MeshHWMPconfirmationInterval) ||
7351 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7352 cur_params.power_mode) ||
7353 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8e7c0538
CT		 7354 cur_params.dot11MeshAwakeWindowDuration) ||
7355 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
01d66fbd
BC		 7356 cur_params.plink_timeout) ||
7357 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
e3718a61
LL		 7358 cur_params.dot11MeshConnectedToMeshGate) ||
7359 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
184eebe6
MT		 7360 cur_params.dot11MeshNolearn) ||
7361 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7362 cur_params.dot11MeshConnectedToAuthServer))
9360ffd1 7363 goto nla_put_failure;
93da9cc1 7364 nla_nest_end(msg, pinfoattr);
7365 genlmsg_end(msg, hdr);
4c476991 7366 return genlmsg_reply(msg, info);
93da9cc1 7367
3b85875a 7368 nla_put_failure:
efe1cf0c 7369 out:
d080e275 7370 nlmsg_free(msg);
4c476991 7371 return -ENOBUFS;
93da9cc1 7372}
7373
ab0d76f6
JB		 7374static const struct nla_policy
7375nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7376 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7377 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7378 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7379 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7380 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7381 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7382 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7383 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7384 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7385 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7386 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7387 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7388 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7389 NLA_POLICY_RANGE(NLA_U32, 1, 255),
93da9cc1 7390 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7391 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
ab0d76f6 7392 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
93da9cc1 7393 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 7394 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7395 NLA_POLICY_MIN(NLA_U16, 1),
7396 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7397 NLA_POLICY_MIN(NLA_U16, 1),
7398 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7399 NLA_POLICY_MIN(NLA_U16, 1),
7400 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7401 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7402 NLA_POLICY_MIN(NLA_U16, 1),
7403 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7404 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7405 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7406 NLA_POLICY_RANGE(NLA_S32, -255, 0),
a4f606ea 7407 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
ac1073a6 7408 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 7409 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7410 NLA_POLICY_MIN(NLA_U16, 1),
7411 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7412 NLA_POLICY_MIN(NLA_U16, 1),
7413 [NL80211_MESHCONF_POWER_MODE] =
7414 NLA_POLICY_RANGE(NLA_U32,
7415 NL80211_MESH_POWER_ACTIVE,
7416 NL80211_MESH_POWER_MAX),
3b1c5a53 7417 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8e7c0538 7418 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
01d66fbd 7419 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
e3718a61 7420 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
184eebe6 7421 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
93da9cc1 7422};
7423
c80d545d
JC		 7424static const struct nla_policy
7425 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
d299a1f2 7426 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
c80d545d
JC		 7427 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7428 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
15d5dda6 7429 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6e16d90b 7430 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
bb2798d4 7431 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
3d7af878
JB		 7432 [NL80211_MESH_SETUP_IE] =
7433 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7434 IEEE80211_MAX_DATA_LEN),
b130e5ce 7435 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
c80d545d
JC		 7436};
7437
24bdd9f4 7438static int nl80211_parse_mesh_config(struct genl_info *info,
bd90fdcc
JB		 7439 struct mesh_config *cfg,
7440 u32 *mask_out)
93da9cc1 7441{
93da9cc1 7442 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
bd90fdcc 7443 u32 mask = 0;
9757235f 7444 u16 ht_opmode;
93da9cc1 7445
ab0d76f6
JB		 7446#define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7447do { \
7448 if (tb[attr]) { \
7449 cfg->param = fn(tb[attr]); \
7450 mask |= BIT((attr) - 1); \
7451 } \
ea54fba2 7452} while (0)
bd90fdcc 7453
24bdd9f4 7454 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
93da9cc1 7455 return -EINVAL;
8cb08174 7456 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
93da9cc1 7457 return -EINVAL;
7458
93da9cc1 7459 /* This makes sure that there aren't more than 32 mesh config
7460 * parameters (otherwise our bitfield scheme would not work.) */
7461 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7462
7463 /* Fill in the params struct */
ab0d76f6
JB		 7464 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7465 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7466 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7467 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7468 nla_get_u16);
7469 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7470 NL80211_MESHCONF_HOLDING_TIMEOUT,
7471 nla_get_u16);
7472 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7473 NL80211_MESHCONF_MAX_PEER_LINKS,
7474 nla_get_u16);
7475 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7476 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7477 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7478 NL80211_MESHCONF_TTL, nla_get_u8);
7479 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7480 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7481 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7482 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7483 nla_get_u8);
ea54fba2 7484 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
ab0d76f6 7485 mask,
a4f606ea 7486 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
ab0d76f6
JB		 7487 nla_get_u32);
7488 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7489 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7490 nla_get_u8);
7491 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7492 NL80211_MESHCONF_PATH_REFRESH_TIME,
7493 nla_get_u32);
7494 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7495 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7496 return -EINVAL;
7497 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7498 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7499 nla_get_u16);
ea54fba2 7500 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
ab0d76f6 7501 mask,
a4f606ea 7502 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
ab0d76f6
JB		 7503 nla_get_u32);
7504 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7505 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7506 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7507 return -EINVAL;
7508 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
ea54fba2 7509 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
ab0d76f6
JB		 7510 nla_get_u16);
7511 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
ea54fba2 7512 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
ab0d76f6 7513 nla_get_u16);
93da9cc1 7514 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6 7515 dot11MeshHWMPnetDiameterTraversalTime, mask,
a4f606ea 7516 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
ab0d76f6
JB		 7517 nla_get_u16);
7518 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7519 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7520 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7521 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7522 nla_get_u16);
7523 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
ea54fba2 7524 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
ab0d76f6
JB		 7525 nla_get_u8);
7526 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7527 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7528 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7529 NL80211_MESHCONF_RSSI_THRESHOLD,
7530 nla_get_s32);
01d66fbd
BC		 7531 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7532 NL80211_MESHCONF_CONNECTED_TO_GATE,
7533 nla_get_u8);
184eebe6
MT		 7534 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7535 NL80211_MESHCONF_CONNECTED_TO_AS,
7536 nla_get_u8);
9757235f
MH		 7537 /*
7538 * Check HT operation mode based on
188f60ab 7539 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
9757235f
MH		 7540 */
7541 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7542 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7543
7544 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7545 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7546 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7547 return -EINVAL;
7548
188f60ab
BC		 7549 /* NON_HT_STA bit is reserved, but some programs set it */
7550 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
9757235f 7551
9757235f 7552 cfg->ht_opmode = ht_opmode;
fd551bac 7553 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
9757235f 7554 }
728b19e5 7555 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6
JB		 7556 dot11MeshHWMPactivePathToRootTimeout, mask,
7557 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7558 nla_get_u32);
7559 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7560 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7561 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7562 return -EINVAL;
7563 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7564 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7565 nla_get_u16);
7566 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7567 mask,
728b19e5 7568 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
ab0d76f6
JB		 7569 nla_get_u16);
7570 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7571 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7572 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7573 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7574 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7575 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
e3718a61
LL		 7576 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7577 NL80211_MESHCONF_NOLEARN, nla_get_u8);
bd90fdcc
JB		 7578 if (mask_out)
7579 *mask_out = mask;
c80d545d 7580
bd90fdcc
JB		 7581 return 0;
7582
7583#undef FILL_IN_MESH_PARAM_IF_SET
7584}
7585
c80d545d
JC		 7586static int nl80211_parse_mesh_setup(struct genl_info *info,
7587 struct mesh_setup *setup)
7588{
bb2798d4 7589 struct cfg80211_registered_device *rdev = info->user_ptr[0];
c80d545d
JC		 7590 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7591
7592 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7593 return -EINVAL;
8cb08174 7594 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		 7595 return -EINVAL;
7596
d299a1f2
JC		 7597 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7598 setup->sync_method =
7599 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7600 IEEE80211_SYNC_METHOD_VENDOR :
7601 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7602
c80d545d
JC		 7603 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7604 setup->path_sel_proto =
7605 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7606 IEEE80211_PATH_PROTOCOL_VENDOR :
7607 IEEE80211_PATH_PROTOCOL_HWMP;
7608
7609 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7610 setup->path_metric =
7611 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7612 IEEE80211_PATH_METRIC_VENDOR :
7613 IEEE80211_PATH_METRIC_AIRTIME;
7614
581a8b0f 7615 if (tb[NL80211_MESH_SETUP_IE]) {
c80d545d 7616 struct nlattr *ieattr =
581a8b0f 7617 tb[NL80211_MESH_SETUP_IE];
581a8b0f
JC		 7618 setup->ie = nla_data(ieattr);
7619 setup->ie_len = nla_len(ieattr);
c80d545d 7620 }
bb2798d4
TP		 7621 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7622 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7623 return -EINVAL;
7624 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
b130e5ce
JC		 7625 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7626 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
bb2798d4
TP		 7627 if (setup->is_secure)
7628 setup->user_mpm = true;
c80d545d 7629
6e16d90b
CT		 7630 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7631 if (!setup->user_mpm)
7632 return -EINVAL;
7633 setup->auth_id =
7634 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7635 }
7636
c80d545d
JC		 7637 return 0;
7638}
7639
24bdd9f4 7640static int nl80211_update_mesh_config(struct sk_buff *skb,
29cbe68c 7641 struct genl_info *info)
bd90fdcc
JB		 7642{
7643 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7644 struct net_device *dev = info->user_ptr[1];
29cbe68c 7645 struct wireless_dev *wdev = dev->ieee80211_ptr;
bd90fdcc
JB		 7646 struct mesh_config cfg;
7647 u32 mask;
7648 int err;
7649
29cbe68c
JB		 7650 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7651 return -EOPNOTSUPP;
7652
24bdd9f4 7653 if (!rdev->ops->update_mesh_config)
bd90fdcc
JB		 7654 return -EOPNOTSUPP;
7655
24bdd9f4 7656 err = nl80211_parse_mesh_config(info, &cfg, &mask);
bd90fdcc
JB		 7657 if (err)
7658 return err;
7659
29cbe68c
JB		 7660 wdev_lock(wdev);
7661 if (!wdev->mesh_id_len)
7662 err = -ENOLINK;
7663
7664 if (!err)
e35e4d28 7665 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
29cbe68c
JB		 7666
7667 wdev_unlock(wdev);
7668
7669 return err;
93da9cc1 7670}
7671
ad30ca2c
AN		 7672static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7673 struct sk_buff *msg)
f130347c 7674{
f130347c
LR		 7675 struct nlattr *nl_reg_rules;
7676 unsigned int i;
f130347c 7677
458f4f9e
JB		 7678 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7679 (regdom->dfs_region &&
7680 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
ad30ca2c 7681 goto nla_put_failure;
458f4f9e 7682
ae0be8de 7683 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
f130347c 7684 if (!nl_reg_rules)
ad30ca2c 7685 goto nla_put_failure;
f130347c 7686
458f4f9e 7687 for (i = 0; i < regdom->n_reg_rules; i++) {
f130347c
LR		 7688 struct nlattr *nl_reg_rule;
7689 const struct ieee80211_reg_rule *reg_rule;
7690 const struct ieee80211_freq_range *freq_range;
7691 const struct ieee80211_power_rule *power_rule;
97524820 7692 unsigned int max_bandwidth_khz;
f130347c 7693
458f4f9e 7694 reg_rule = &regdom->reg_rules[i];
f130347c
LR		 7695 freq_range = &reg_rule->freq_range;
7696 power_rule = &reg_rule->power_rule;
7697
ae0be8de 7698 nl_reg_rule = nla_nest_start_noflag(msg, i);
f130347c 7699 if (!nl_reg_rule)
ad30ca2c 7700 goto nla_put_failure;
f130347c 7701
97524820
JD		 7702 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7703 if (!max_bandwidth_khz)
7704 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7705 reg_rule);
7706
9360ffd1
DM		 7707 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7708 reg_rule->flags) ||
7709 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7710 freq_range->start_freq_khz) ||
7711 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7712 freq_range->end_freq_khz) ||
7713 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
97524820 7714 max_bandwidth_khz) ||
9360ffd1
DM		 7715 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7716 power_rule->max_antenna_gain) ||
7717 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
089027e5
JD		 7718 power_rule->max_eirp) ||
7719 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7720 reg_rule->dfs_cac_ms))
ad30ca2c 7721 goto nla_put_failure;
f130347c
LR		 7722
7723 nla_nest_end(msg, nl_reg_rule);
7724 }
7725
7726 nla_nest_end(msg, nl_reg_rules);
ad30ca2c
AN		 7727 return 0;
7728
7729nla_put_failure:
7730 return -EMSGSIZE;
7731}
7732
7733static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7734{
7735 const struct ieee80211_regdomain *regdom = NULL;
7736 struct cfg80211_registered_device *rdev;
7737 struct wiphy *wiphy = NULL;
7738 struct sk_buff *msg;
7739 void *hdr;
7740
7741 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7742 if (!msg)
7743 return -ENOBUFS;
7744
7745 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7746 NL80211_CMD_GET_REG);
7747 if (!hdr)
7748 goto put_failure;
7749
a05829a7
JB		 7750 rtnl_lock();
7751
ad30ca2c 7752 if (info->attrs[NL80211_ATTR_WIPHY]) {
1bdd716c
AN		 7753 bool self_managed;
7754
ad30ca2c
AN		 7755 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7756 if (IS_ERR(rdev)) {
7757 nlmsg_free(msg);
a05829a7 7758 rtnl_unlock();
ad30ca2c
AN		 7759 return PTR_ERR(rdev);
7760 }
7761
7762 wiphy = &rdev->wiphy;
1bdd716c
AN		 7763 self_managed = wiphy->regulatory_flags &
7764 REGULATORY_WIPHY_SELF_MANAGED;
ad30ca2c
AN		 7765 regdom = get_wiphy_regdom(wiphy);
7766
1bdd716c
AN		 7767 /* a self-managed-reg device must have a private regdom */
7768 if (WARN_ON(!regdom && self_managed)) {
7769 nlmsg_free(msg);
a05829a7 7770 rtnl_unlock();
1bdd716c
AN		 7771 return -EINVAL;
7772 }
7773
ad30ca2c
AN		 7774 if (regdom &&
7775 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7776 goto nla_put_failure;
7777 }
7778
7779 if (!wiphy && reg_last_request_cell_base() &&
7780 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7781 NL80211_USER_REG_HINT_CELL_BASE))
7782 goto nla_put_failure;
7783
7784 rcu_read_lock();
7785
7786 if (!regdom)
7787 regdom = rcu_dereference(cfg80211_regdomain);
7788
7789 if (nl80211_put_regdom(regdom, msg))
7790 goto nla_put_failure_rcu;
7791
7792 rcu_read_unlock();
f130347c
LR		 7793
7794 genlmsg_end(msg, hdr);
a05829a7 7795 rtnl_unlock();
5fe231e8 7796 return genlmsg_reply(msg, info);
f130347c 7797
458f4f9e
JB		 7798nla_put_failure_rcu:
7799 rcu_read_unlock();
f130347c 7800nla_put_failure:
a05829a7 7801 rtnl_unlock();
efe1cf0c 7802put_failure:
d080e275 7803 nlmsg_free(msg);
5fe231e8 7804 return -EMSGSIZE;
f130347c
LR		 7805}
7806
ad30ca2c
AN		 7807static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7808 u32 seq, int flags, struct wiphy *wiphy,
7809 const struct ieee80211_regdomain *regdom)
7810{
7811 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7812 NL80211_CMD_GET_REG);
7813
7814 if (!hdr)
7815 return -1;
7816
0a833c29 7817 genl_dump_check_consistent(cb, hdr);
ad30ca2c
AN		 7818
7819 if (nl80211_put_regdom(regdom, msg))
7820 goto nla_put_failure;
7821
7822 if (!wiphy && reg_last_request_cell_base() &&
7823 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7824 NL80211_USER_REG_HINT_CELL_BASE))
7825 goto nla_put_failure;
7826
7827 if (wiphy &&
7828 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7829 goto nla_put_failure;
7830
1bdd716c
AN		 7831 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7832 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7833 goto nla_put_failure;
7834
053c095a
JB		 7835 genlmsg_end(msg, hdr);
7836 return 0;
ad30ca2c
AN		 7837
7838nla_put_failure:
7839 genlmsg_cancel(msg, hdr);
7840 return -EMSGSIZE;
7841}
7842
7843static int nl80211_get_reg_dump(struct sk_buff *skb,
7844 struct netlink_callback *cb)
7845{
7846 const struct ieee80211_regdomain *regdom = NULL;
7847 struct cfg80211_registered_device *rdev;
7848 int err, reg_idx, start = cb->args[2];
7849
7850 rtnl_lock();
7851
7852 if (cfg80211_regdomain && start == 0) {
7853 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7854 NLM_F_MULTI, NULL,
7855 rtnl_dereference(cfg80211_regdomain));
7856 if (err < 0)
7857 goto out_err;
7858 }
7859
7860 /* the global regdom is idx 0 */
7861 reg_idx = 1;
7862 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7863 regdom = get_wiphy_regdom(&rdev->wiphy);
7864 if (!regdom)
7865 continue;
7866
7867 if (++reg_idx <= start)
7868 continue;
7869
7870 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7871 NLM_F_MULTI, &rdev->wiphy, regdom);
7872 if (err < 0) {
7873 reg_idx--;
7874 break;
7875 }
7876 }
7877
7878 cb->args[2] = reg_idx;
7879 err = skb->len;
7880out_err:
7881 rtnl_unlock();
7882 return err;
7883}
7884
b6863036
JB		 7885#ifdef CONFIG_CFG80211_CRDA_SUPPORT
7886static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7887 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7888 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7889 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7890 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7891 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7892 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7893 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7894};
7895
7896static int parse_reg_rule(struct nlattr *tb[],
7897 struct ieee80211_reg_rule *reg_rule)
7898{
7899 struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
7900 struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
7901
7902 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7903 return -EINVAL;
7904 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7905 return -EINVAL;
7906 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7907 return -EINVAL;
7908 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7909 return -EINVAL;
7910 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7911 return -EINVAL;
7912
7913 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7914
7915 freq_range->start_freq_khz =
7916 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7917 freq_range->end_freq_khz =
7918 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7919 freq_range->max_bandwidth_khz =
7920 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7921
7922 power_rule->max_eirp =
7923 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7924
7925 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7926 power_rule->max_antenna_gain =
7927 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7928
7929 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7930 reg_rule->dfs_cac_ms =
7931 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7932
7933 return 0;
7934}
7935
b2e1b302
LR		 7936static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7937{
7938 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7939 struct nlattr *nl_reg_rule;
ea372c54
JB		 7940 char *alpha2;
7941 int rem_reg_rules, r;
391d132c 7942 u32 num_rules = 0, rule_idx = 0;
4c7d3982 7943 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
ea372c54 7944 struct ieee80211_regdomain *rd;
b2e1b302
LR		 7945
7946 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7947 return -EINVAL;
7948
7949 if (!info->attrs[NL80211_ATTR_REG_RULES])
7950 return -EINVAL;
7951
7952 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7953
8b60b078
LR		 7954 if (info->attrs[NL80211_ATTR_DFS_REGION])
7955 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7956
b2e1b302 7957 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7958 rem_reg_rules) {
b2e1b302
LR		 7959 num_rules++;
7960 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4776c6e7 7961 return -EINVAL;
b2e1b302
LR		 7962 }
7963
a05829a7
JB		 7964 rtnl_lock();
7965 if (!reg_is_valid_request(alpha2)) {
7966 r = -EINVAL;
7967 goto out;
7968 }
e438768f 7969
391d132c 7970 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
a05829a7
JB		 7971 if (!rd) {
7972 r = -ENOMEM;
7973 goto out;
7974 }
b2e1b302
LR		 7975
7976 rd->n_reg_rules = num_rules;
7977 rd->alpha2[0] = alpha2[0];
7978 rd->alpha2[1] = alpha2[1];
7979
8b60b078
LR		 7980 /*
7981 * Disable DFS master mode if the DFS region was
7982 * not supported or known on this kernel.
7983 */
7984 if (reg_supported_dfs_region(dfs_region))
7985 rd->dfs_region = dfs_region;
7986
b2e1b302 7987 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7988 rem_reg_rules) {
8cb08174
JB		 7989 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7990 nl_reg_rule, reg_rule_policy,
7991 info->extack);
ae811e21
JB		 7992 if (r)
7993 goto bad_reg;
b2e1b302
LR		 7994 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7995 if (r)
7996 goto bad_reg;
7997
7998 rule_idx++;
7999
d0e18f83
LR		 8000 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8001 r = -EINVAL;
b2e1b302 8002 goto bad_reg;
d0e18f83 8003 }
b2e1b302
LR		 8004 }
8005
a05829a7 8006 r = set_regdom(rd, REGD_SOURCE_CRDA);
06627990 8007 /* set_regdom takes ownership of rd */
a05829a7 8008 rd = NULL;
d2372b31 8009 bad_reg:
b2e1b302 8010 kfree(rd);
a05829a7
JB		 8011 out:
8012 rtnl_unlock();
d0e18f83 8013 return r;
b2e1b302 8014}
b6863036 8015#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
b2e1b302 8016
83f5e2cf
JB		 8017static int validate_scan_freqs(struct nlattr *freqs)
8018{
8019 struct nlattr *attr1, *attr2;
8020 int n_channels = 0, tmp1, tmp2;
8021
d7f13f74
SD		 8022 nla_for_each_nested(attr1, freqs, tmp1)
8023 if (nla_len(attr1) != sizeof(u32))
8024 return 0;
8025
83f5e2cf
JB		 8026 nla_for_each_nested(attr1, freqs, tmp1) {
8027 n_channels++;
8028 /*
8029 * Some hardware has a limited channel list for
8030 * scanning, and it is pretty much nonsensical
8031 * to scan for a channel twice, so disallow that
8032 * and don't require drivers to check that the
8033 * channel list they get isn't longer than what
8034 * they can scan, as long as they can scan all
8035 * the channels they registered at once.
8036 */
8037 nla_for_each_nested(attr2, freqs, tmp2)
8038 if (attr1 != attr2 &&
8039 nla_get_u32(attr1) == nla_get_u32(attr2))
8040 return 0;
8041 }
8042
8043 return n_channels;
8044}
8045
57fbcce3 8046static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
38de03d2 8047{
57fbcce3 8048 return b < NUM_NL80211_BANDS && wiphy->bands[b];
38de03d2
AS		 8049}
8050
8051static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8052 struct cfg80211_bss_selection *bss_select)
8053{
8054 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8055 struct nlattr *nest;
8056 int err;
8057 bool found = false;
8058 int i;
8059
8060 /* only process one nested attribute */
8061 nest = nla_data(nla);
8062 if (!nla_ok(nest, nla_len(nest)))
8063 return -EINVAL;
8064
8cb08174
JB		 8065 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8066 nest, nl80211_bss_select_policy,
8067 NULL);
38de03d2
AS		 8068 if (err)
8069 return err;
8070
8071 /* only one attribute may be given */
8072 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8073 if (attr[i]) {
8074 if (found)
8075 return -EINVAL;
8076 found = true;
8077 }
8078 }
8079
8080 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8081
8082 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8083 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8084
8085 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8086 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8087 bss_select->param.band_pref =
8088 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8089 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8090 return -EINVAL;
8091 }
8092
8093 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8094 struct nl80211_bss_select_rssi_adjust *adj_param;
8095
8096 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8097 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8098 bss_select->param.adjust.band = adj_param->band;
8099 bss_select->param.adjust.delta = adj_param->delta;
8100 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8101 return -EINVAL;
8102 }
8103
8104 /* user-space did not provide behaviour attribute */
8105 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8106 return -EINVAL;
8107
8108 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8109 return -EINVAL;
8110
8111 return 0;
8112}
8113
9bb7e0f2
JB		 8114int nl80211_parse_random_mac(struct nlattr **attrs,
8115 u8 *mac_addr, u8 *mac_addr_mask)
ad2b26ab
JB		 8116{
8117 int i;
8118
8119 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
d2beae10
JP		 8120 eth_zero_addr(mac_addr);
8121 eth_zero_addr(mac_addr_mask);
ad2b26ab
JB		 8122 mac_addr[0] = 0x2;
8123 mac_addr_mask[0] = 0x3;
8124
8125 return 0;
8126 }
8127
8128 /* need both or none */
8129 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8130 return -EINVAL;
8131
8132 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8133 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8134
8135 /* don't allow or configure an mcast address */
8136 if (!is_multicast_ether_addr(mac_addr_mask) ||
8137 is_multicast_ether_addr(mac_addr))
8138 return -EINVAL;
8139
8140 /*
8141 * allow users to pass a MAC address that has bits set outside
8142 * of the mask, but don't bother drivers with having to deal
8143 * with such bits
8144 */
8145 for (i = 0; i < ETH_ALEN; i++)
8146 mac_addr[i] &= mac_addr_mask[i];
8147
8148 return 0;
8149}
8150
34373d12
VT		 8151static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
8152{
8153 ASSERT_WDEV_LOCK(wdev);
8154
8155 if (!cfg80211_beaconing_iface_active(wdev))
8156 return true;
8157
8158 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
8159 return true;
8160
8161 return regulatory_pre_cac_allowed(wdev->wiphy);
8162}
8163
db0a4ad8
JB		 8164static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8165 enum nl80211_ext_feature_index feat)
8166{
8167 if (!(flags & flag))
8168 return true;
8169 if (wiphy_ext_feature_isset(wiphy, feat))
8170 return true;
8171 return false;
8172}
8173
2d23d073
RZ		 8174static int
8175nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8176 void *request, struct nlattr **attrs,
8177 bool is_sched_scan)
8178{
8179 u8 *mac_addr, *mac_addr_mask;
8180 u32 *flags;
8181 enum nl80211_feature_flags randomness_flag;
8182
8183 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8184 return 0;
8185
8186 if (is_sched_scan) {
8187 struct cfg80211_sched_scan_request *req = request;
8188
8189 randomness_flag = wdev ?
8190 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8191 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8192 flags = &req->flags;
8193 mac_addr = req->mac_addr;
8194 mac_addr_mask = req->mac_addr_mask;
8195 } else {
8196 struct cfg80211_scan_request *req = request;
8197
8198 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8199 flags = &req->flags;
8200 mac_addr = req->mac_addr;
8201 mac_addr_mask = req->mac_addr_mask;
8202 }
8203
8204 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8205
5037a009
SD		 8206 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8207 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
db0a4ad8
JB		 8208 !nl80211_check_scan_feat(wiphy, *flags,
8209 NL80211_SCAN_FLAG_LOW_SPAN,
8210 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8211 !nl80211_check_scan_feat(wiphy, *flags,
8212 NL80211_SCAN_FLAG_LOW_POWER,
8213 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8214 !nl80211_check_scan_feat(wiphy, *flags,
8215 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8216 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8217 !nl80211_check_scan_feat(wiphy, *flags,
8218 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8219 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8220 !nl80211_check_scan_feat(wiphy, *flags,
8221 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8222 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8223 !nl80211_check_scan_feat(wiphy, *flags,
8224 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8225 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8226 !nl80211_check_scan_feat(wiphy, *flags,
8227 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
2e076f19
JB		 8228 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8229 !nl80211_check_scan_feat(wiphy, *flags,
8230 NL80211_SCAN_FLAG_RANDOM_SN,
8231 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8232 !nl80211_check_scan_feat(wiphy, *flags,
8233 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8234 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
2d23d073
RZ		 8235 return -EOPNOTSUPP;
8236
8237 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8238 int err;
8239
8240 if (!(wiphy->features & randomness_flag) ||
8241 (wdev && wdev->current_bss))
8242 return -EOPNOTSUPP;
8243
8244 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8245 if (err)
8246 return err;
8247 }
8248
2d23d073
RZ		 8249 return 0;
8250}
8251
2a519311
JB		 8252static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8253{
4c476991 8254 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fd014284 8255 struct wireless_dev *wdev = info->user_ptr[1];
2a519311 8256 struct cfg80211_scan_request *request;
2032f3b2
TP		 8257 struct nlattr *scan_freqs = NULL;
8258 bool scan_freqs_khz = false;
2a519311
JB		 8259 struct nlattr *attr;
8260 struct wiphy *wiphy;
83f5e2cf 8261 int err, tmp, n_ssids = 0, n_channels, i;
70692ad2 8262 size_t ie_len;
2a519311 8263
79c97e97 8264 wiphy = &rdev->wiphy;
2a519311 8265
cb3b7d87
AB		 8266 if (wdev->iftype == NL80211_IFTYPE_NAN)
8267 return -EOPNOTSUPP;
8268
4c476991
JB		 8269 if (!rdev->ops->scan)
8270 return -EOPNOTSUPP;
2a519311 8271
83286856
CJ		 8272 if (rdev->scan_req || rdev->scan_msg)
8273 return -EBUSY;
2a519311 8274
2032f3b2
TP		 8275 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8276 if (!wiphy_ext_feature_isset(wiphy,
8277 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8278 return -EOPNOTSUPP;
8279 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8280 scan_freqs_khz = true;
8281 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8282 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8283
8284 if (scan_freqs) {
8285 n_channels = validate_scan_freqs(scan_freqs);
83286856
CJ		 8286 if (!n_channels)
8287 return -EINVAL;
2a519311 8288 } else {
bdfbec2d 8289 n_channels = ieee80211_get_num_supported_channels(wiphy);
2a519311
JB		 8290 }
8291
8292 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8293 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8294 n_ssids++;
8295
83286856
CJ		 8296 if (n_ssids > wiphy->max_scan_ssids)
8297 return -EINVAL;
2a519311 8298
70692ad2
JM		 8299 if (info->attrs[NL80211_ATTR_IE])
8300 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8301 else
8302 ie_len = 0;
8303
83286856
CJ		 8304 if (ie_len > wiphy->max_scan_ie_len)
8305 return -EINVAL;
18a83659 8306
2a519311 8307 request = kzalloc(sizeof(*request)
a2cd43c5
LC		 8308 + sizeof(*request->ssids) * n_ssids
8309 + sizeof(*request->channels) * n_channels
70692ad2 8310 + ie_len, GFP_KERNEL);
83286856
CJ		 8311 if (!request)
8312 return -ENOMEM;
2a519311 8313
2a519311 8314 if (n_ssids)
5ba63533 8315 request->ssids = (void *)&request->channels[n_channels];
2a519311 8316 request->n_ssids = n_ssids;
70692ad2 8317 if (ie_len) {
13874e4b 8318 if (n_ssids)
70692ad2
JM		 8319 request->ie = (void *)(request->ssids + n_ssids);
8320 else
8321 request->ie = (void *)(request->channels + n_channels);
8322 }
2a519311 8323
584991dc 8324 i = 0;
2032f3b2 8325 if (scan_freqs) {
2a519311 8326 /* user specified, bail out if channel not found */
2032f3b2 8327 nla_for_each_nested(attr, scan_freqs, tmp) {
584991dc 8328 struct ieee80211_channel *chan;
2032f3b2 8329 int freq = nla_get_u32(attr);
584991dc 8330
2032f3b2
TP		 8331 if (!scan_freqs_khz)
8332 freq = MHZ_TO_KHZ(freq);
584991dc 8333
2032f3b2 8334 chan = ieee80211_get_channel_khz(wiphy, freq);
584991dc 8335 if (!chan) {
2a519311
JB		 8336 err = -EINVAL;
8337 goto out_free;
8338 }
584991dc
JB		 8339
8340 /* ignore disabled channels */
8341 if (chan->flags & IEEE80211_CHAN_DISABLED)
8342 continue;
8343
8344 request->channels[i] = chan;
2a519311
JB		 8345 i++;
8346 }
8347 } else {
57fbcce3 8348 enum nl80211_band band;
34850ab2 8349
2a519311 8350 /* all channels */
57fbcce3 8351 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2a519311 8352 int j;
7a087e74 8353
2a519311
JB		 8354 if (!wiphy->bands[band])
8355 continue;
8356 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
584991dc
JB		 8357 struct ieee80211_channel *chan;
8358
8359 chan = &wiphy->bands[band]->channels[j];
8360
8361 if (chan->flags & IEEE80211_CHAN_DISABLED)
8362 continue;
8363
8364 request->channels[i] = chan;
2a519311
JB		 8365 i++;
8366 }
8367 }
8368 }
8369
584991dc
JB		 8370 if (!i) {
8371 err = -EINVAL;
8372 goto out_free;
8373 }
8374
8375 request->n_channels = i;
8376
34373d12
VT		 8377 wdev_lock(wdev);
8378 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8379 struct ieee80211_channel *chan;
8380
8381 if (request->n_channels != 1) {
8382 wdev_unlock(wdev);
8383 err = -EBUSY;
8384 goto out_free;
8385 }
8386
8387 chan = request->channels[0];
8388 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8389 wdev_unlock(wdev);
8390 err = -EBUSY;
8391 goto out_free;
8392 }
8393 }
8394 wdev_unlock(wdev);
8395
2a519311 8396 i = 0;
13874e4b 8397 if (n_ssids) {
2a519311 8398 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
57a27e1d 8399 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
2a519311
JB		 8400 err = -EINVAL;
8401 goto out_free;
8402 }
57a27e1d 8403 request->ssids[i].ssid_len = nla_len(attr);
2a519311 8404 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2a519311
JB		 8405 i++;
8406 }
8407 }
8408
70692ad2
JM		 8409 if (info->attrs[NL80211_ATTR_IE]) {
8410 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
de95a54b
JB		 8411 memcpy((void *)request->ie,
8412 nla_data(info->attrs[NL80211_ATTR_IE]),
70692ad2
JM		 8413 request->ie_len);
8414 }
8415
57fbcce3 8416 for (i = 0; i < NUM_NL80211_BANDS; i++)
a401d2bb
JB		 8417 if (wiphy->bands[i])
8418 request->rates[i] =
8419 (1 << wiphy->bands[i]->n_bitrates) - 1;
34850ab2
JB		 8420
8421 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8422 nla_for_each_nested(attr,
8423 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8424 tmp) {
57fbcce3 8425 enum nl80211_band band = nla_type(attr);
34850ab2 8426
57fbcce3 8427 if (band < 0 || band >= NUM_NL80211_BANDS) {
34850ab2
JB		 8428 err = -EINVAL;
8429 goto out_free;
8430 }
1b09cd82
FF		 8431
8432 if (!wiphy->bands[band])
8433 continue;
8434
34850ab2
JB		 8435 err = ieee80211_get_ratemask(wiphy->bands[band],
8436 nla_data(attr),
8437 nla_len(attr),
8438 &request->rates[band]);
8439 if (err)
8440 goto out_free;
8441 }
8442 }
8443
1d76250b 8444 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
1d76250b
AS		 8445 request->duration =
8446 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8447 request->duration_mandatory =
8448 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8449 }
8450
2d23d073
RZ		 8451 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8452 false);
8453 if (err)
8454 goto out_free;
ed473771 8455
e9f935e3
RM		 8456 request->no_cck =
8457 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8458
2fa436b3
VK		 8459 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8460 * BSSID to scan for. This was problematic because that same attribute
8461 * was already used for another purpose (local random MAC address). The
8462 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8463 * compatibility with older userspace components, also use the
8464 * NL80211_ATTR_MAC value here if it can be determined to be used for
8465 * the specific BSSID use case instead of the random MAC address
8466 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8467 */
8468 if (info->attrs[NL80211_ATTR_BSSID])
8469 memcpy(request->bssid,
8470 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8471 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8472 info->attrs[NL80211_ATTR_MAC])
818965d3
JM		 8473 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8474 ETH_ALEN);
8475 else
8476 eth_broadcast_addr(request->bssid);
8477
fd014284 8478 request->wdev = wdev;
79c97e97 8479 request->wiphy = &rdev->wiphy;
15d6030b 8480 request->scan_start = jiffies;
2a519311 8481
79c97e97 8482 rdev->scan_req = request;
c8cb5b85 8483 err = cfg80211_scan(rdev);
2a519311 8484
504776be
CJ		 8485 if (err)
8486 goto out_free;
8487
8488 nl80211_send_scan_start(rdev, wdev);
8489 if (wdev->netdev)
8490 dev_hold(wdev->netdev);
8491
8492 return 0;
8493
2a519311 8494 out_free:
504776be
CJ		 8495 rdev->scan_req = NULL;
8496 kfree(request);
3b85875a 8497
2a519311
JB		 8498 return err;
8499}
8500
91d3ab46
VK		 8501static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8502{
8503 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8504 struct wireless_dev *wdev = info->user_ptr[1];
8505
8506 if (!rdev->ops->abort_scan)
8507 return -EOPNOTSUPP;
8508
8509 if (rdev->scan_msg)
8510 return 0;
8511
8512 if (!rdev->scan_req)
8513 return -ENOENT;
8514
8515 rdev_abort_scan(rdev, wdev);
8516 return 0;
8517}
8518
3b06d277
AS		 8519static int
8520nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8521 struct cfg80211_sched_scan_request *request,
8522 struct nlattr **attrs)
8523{
8524 int tmp, err, i = 0;
8525 struct nlattr *attr;
8526
8527 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8528 u32 interval;
8529
8530 /*
8531 * If scan plans are not specified,
5a88de53 8532 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
3b06d277
AS		 8533 * case one scan plan will be set with the specified scan
8534 * interval and infinite number of iterations.
8535 */
3b06d277
AS		 8536 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8537 if (!interval)
8538 return -EINVAL;
8539
8540 request->scan_plans[0].interval =
8541 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8542 if (!request->scan_plans[0].interval)
8543 return -EINVAL;
8544
8545 if (request->scan_plans[0].interval >
8546 wiphy->max_sched_scan_plan_interval)
8547 request->scan_plans[0].interval =
8548 wiphy->max_sched_scan_plan_interval;
8549
8550 return 0;
8551 }
8552
8553 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8554 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8555
8556 if (WARN_ON(i >= n_plans))
8557 return -EINVAL;
8558
8cb08174
JB		 8559 err = nla_parse_nested_deprecated(plan,
8560 NL80211_SCHED_SCAN_PLAN_MAX,
8561 attr, nl80211_plan_policy,
8562 NULL);
3b06d277
AS		 8563 if (err)
8564 return err;
8565
8566 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8567 return -EINVAL;
8568
8569 request->scan_plans[i].interval =
8570 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8571 if (!request->scan_plans[i].interval ||
8572 request->scan_plans[i].interval >
8573 wiphy->max_sched_scan_plan_interval)
8574 return -EINVAL;
8575
8576 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8577 request->scan_plans[i].iterations =
8578 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8579 if (!request->scan_plans[i].iterations ||
8580 (request->scan_plans[i].iterations >
8581 wiphy->max_sched_scan_plan_iterations))
8582 return -EINVAL;
8583 } else if (i < n_plans - 1) {
8584 /*
8585 * All scan plans but the last one must specify
8586 * a finite number of iterations
8587 */
8588 return -EINVAL;
8589 }
8590
8591 i++;
8592 }
8593
8594 /*
8595 * The last scan plan must not specify the number of
8596 * iterations, it is supposed to run infinitely
8597 */
8598 if (request->scan_plans[n_plans - 1].iterations)
8599 return -EINVAL;
8600
8601 return 0;
8602}
8603
1e1b11b6 8604static int
8605nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8606 struct cfg80211_match_set *match_sets,
8607 struct nlattr *tb_band_rssi,
8608 s32 rssi_thold)
8609{
8610 struct nlattr *attr;
8611 int i, tmp, ret = 0;
8612
8613 if (!wiphy_ext_feature_isset(wiphy,
8614 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8615 if (tb_band_rssi)
8616 ret = -EOPNOTSUPP;
8617 else
8618 for (i = 0; i < NUM_NL80211_BANDS; i++)
8619 match_sets->per_band_rssi_thold[i] =
8620 NL80211_SCAN_RSSI_THOLD_OFF;
8621 return ret;
8622 }
8623
8624 for (i = 0; i < NUM_NL80211_BANDS; i++)
8625 match_sets->per_band_rssi_thold[i] = rssi_thold;
8626
8627 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8628 enum nl80211_band band = nla_type(attr);
8629
8630 if (band < 0 || band >= NUM_NL80211_BANDS)
8631 return -EINVAL;
8632
8633 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8634 }
8635
8636 return 0;
8637}
8638
256da02d 8639static struct cfg80211_sched_scan_request *
ad2b26ab 8640nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
aad1e812 8641 struct nlattr **attrs, int max_match_sets)
807f8a8c
LC		 8642{
8643 struct cfg80211_sched_scan_request *request;
807f8a8c 8644 struct nlattr *attr;
3b06d277 8645 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
57fbcce3 8646 enum nl80211_band band;
807f8a8c 8647 size_t ie_len;
a1f1c21c 8648 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
ea73cbce 8649 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
807f8a8c 8650
256da02d 8651 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c 8652 n_channels = validate_scan_freqs(
256da02d 8653 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
807f8a8c 8654 if (!n_channels)
256da02d 8655 return ERR_PTR(-EINVAL);
807f8a8c 8656 } else {
bdfbec2d 8657 n_channels = ieee80211_get_num_supported_channels(wiphy);
807f8a8c
LC		 8658 }
8659
256da02d
LC		 8660 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8661 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c
LC		 8662 tmp)
8663 n_ssids++;
8664
93b6aa69 8665 if (n_ssids > wiphy->max_sched_scan_ssids)
256da02d 8666 return ERR_PTR(-EINVAL);
807f8a8c 8667
ea73cbce
JB		 8668 /*
8669 * First, count the number of 'real' matchsets. Due to an issue with
8670 * the old implementation, matchsets containing only the RSSI attribute
8671 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8672 * RSSI for all matchsets, rather than their own matchset for reporting
8673 * all APs with a strong RSSI. This is needed to be compatible with
8674 * older userspace that treated a matchset with only the RSSI as the
8675 * global RSSI for all other matchsets - if there are other matchsets.
8676 */
256da02d 8677 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 8678 nla_for_each_nested(attr,
256da02d 8679 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
ea73cbce
JB		 8680 tmp) {
8681 struct nlattr *rssi;
8682
8cb08174
JB		 8683 err = nla_parse_nested_deprecated(tb,
8684 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8685 attr,
8686 nl80211_match_policy,
8687 NULL);
ea73cbce 8688 if (err)
256da02d 8689 return ERR_PTR(err);
3007e352
AVS		 8690
8691 /* SSID and BSSID are mutually exclusive */
8692 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8693 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8694 return ERR_PTR(-EINVAL);
8695
ea73cbce 8696 /* add other standalone attributes here */
3007e352
AVS		 8697 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8698 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
ea73cbce
JB		 8699 n_match_sets++;
8700 continue;
8701 }
8702 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8703 if (rssi)
8704 default_match_rssi = nla_get_s32(rssi);
8705 }
8706 }
8707
8708 /* However, if there's no other matchset, add the RSSI one */
8709 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8710 n_match_sets = 1;
a1f1c21c 8711
aad1e812 8712 if (n_match_sets > max_match_sets)
256da02d 8713 return ERR_PTR(-EINVAL);
a1f1c21c 8714
256da02d
LC		 8715 if (attrs[NL80211_ATTR_IE])
8716 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
807f8a8c
LC		 8717 else
8718 ie_len = 0;
8719
5a865bad 8720 if (ie_len > wiphy->max_sched_scan_ie_len)
256da02d 8721 return ERR_PTR(-EINVAL);
c10841ca 8722
3b06d277
AS		 8723 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8724 /*
8725 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8726 * each scan plan already specifies its own interval
8727 */
8728 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8729 return ERR_PTR(-EINVAL);
8730
8731 nla_for_each_nested(attr,
8732 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8733 n_plans++;
8734 } else {
8735 /*
8736 * The scan interval attribute is kept for backward
8737 * compatibility. If no scan plans are specified and sched scan
8738 * interval is specified, one scan plan will be set with this
8739 * scan interval and infinite number of iterations.
8740 */
8741 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8742 return ERR_PTR(-EINVAL);
8743
8744 n_plans = 1;
8745 }
8746
8747 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8748 return ERR_PTR(-EINVAL);
8749
bf95ecdb 8750 if (!wiphy_ext_feature_isset(
8751 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8752 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8753 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8754 return ERR_PTR(-EINVAL);
8755
807f8a8c 8756 request = kzalloc(sizeof(*request)
a2cd43c5 8757 + sizeof(*request->ssids) * n_ssids
a1f1c21c 8758 + sizeof(*request->match_sets) * n_match_sets
3b06d277 8759 + sizeof(*request->scan_plans) * n_plans
a2cd43c5 8760 + sizeof(*request->channels) * n_channels
807f8a8c 8761 + ie_len, GFP_KERNEL);
256da02d
LC		 8762 if (!request)
8763 return ERR_PTR(-ENOMEM);
807f8a8c
LC		 8764
8765 if (n_ssids)
8766 request->ssids = (void *)&request->channels[n_channels];
8767 request->n_ssids = n_ssids;
8768 if (ie_len) {
13874e4b 8769 if (n_ssids)
807f8a8c
LC		 8770 request->ie = (void *)(request->ssids + n_ssids);
8771 else
8772 request->ie = (void *)(request->channels + n_channels);
8773 }
8774
a1f1c21c
LC		 8775 if (n_match_sets) {
8776 if (request->ie)
8777 request->match_sets = (void *)(request->ie + ie_len);
13874e4b 8778 else if (n_ssids)
a1f1c21c
LC		 8779 request->match_sets =
8780 (void *)(request->ssids + n_ssids);
8781 else
8782 request->match_sets =
8783 (void *)(request->channels + n_channels);
8784 }
8785 request->n_match_sets = n_match_sets;
8786
3b06d277
AS		 8787 if (n_match_sets)
8788 request->scan_plans = (void *)(request->match_sets +
8789 n_match_sets);
8790 else if (request->ie)
8791 request->scan_plans = (void *)(request->ie + ie_len);
8792 else if (n_ssids)
8793 request->scan_plans = (void *)(request->ssids + n_ssids);
8794 else
8795 request->scan_plans = (void *)(request->channels + n_channels);
8796
8797 request->n_scan_plans = n_plans;
8798
807f8a8c 8799 i = 0;
256da02d 8800 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c
LC		 8801 /* user specified, bail out if channel not found */
8802 nla_for_each_nested(attr,
256da02d 8803 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
807f8a8c
LC		 8804 tmp) {
8805 struct ieee80211_channel *chan;
8806
8807 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8808
8809 if (!chan) {
8810 err = -EINVAL;
8811 goto out_free;
8812 }
8813
8814 /* ignore disabled channels */
8815 if (chan->flags & IEEE80211_CHAN_DISABLED)
8816 continue;
8817
8818 request->channels[i] = chan;
8819 i++;
8820 }
8821 } else {
8822 /* all channels */
57fbcce3 8823 for (band = 0; band < NUM_NL80211_BANDS; band++) {
807f8a8c 8824 int j;
7a087e74 8825
807f8a8c
LC		 8826 if (!wiphy->bands[band])
8827 continue;
8828 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8829 struct ieee80211_channel *chan;
8830
8831 chan = &wiphy->bands[band]->channels[j];
8832
8833 if (chan->flags & IEEE80211_CHAN_DISABLED)
8834 continue;
8835
8836 request->channels[i] = chan;
8837 i++;
8838 }
8839 }
8840 }
8841
8842 if (!i) {
8843 err = -EINVAL;
8844 goto out_free;
8845 }
8846
8847 request->n_channels = i;
8848
8849 i = 0;
13874e4b 8850 if (n_ssids) {
256da02d 8851 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c 8852 tmp) {
57a27e1d 8853 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
807f8a8c
LC		 8854 err = -EINVAL;
8855 goto out_free;
8856 }
57a27e1d 8857 request->ssids[i].ssid_len = nla_len(attr);
807f8a8c
LC		 8858 memcpy(request->ssids[i].ssid, nla_data(attr),
8859 nla_len(attr));
807f8a8c
LC		 8860 i++;
8861 }
8862 }
8863
a1f1c21c 8864 i = 0;
256da02d 8865 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 8866 nla_for_each_nested(attr,
256da02d 8867 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
a1f1c21c 8868 tmp) {
3007e352 8869 struct nlattr *ssid, *bssid, *rssi;
a1f1c21c 8870
8cb08174
JB		 8871 err = nla_parse_nested_deprecated(tb,
8872 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8873 attr,
8874 nl80211_match_policy,
8875 NULL);
ae811e21
JB		 8876 if (err)
8877 goto out_free;
4a4ab0d7 8878 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
3007e352 8879 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
d39f3b4f
JB		 8880
8881 if (!ssid && !bssid) {
8882 i++;
8883 continue;
8884 }
8885
8886 if (WARN_ON(i >= n_match_sets)) {
8887 /* this indicates a programming error,
8888 * the loop above should have verified
8889 * things properly
8890 */
8891 err = -EINVAL;
8892 goto out_free;
8893 }
8894
8895 if (ssid) {
d39f3b4f
JB		 8896 memcpy(request->match_sets[i].ssid.ssid,
8897 nla_data(ssid), nla_len(ssid));
8898 request->match_sets[i].ssid.ssid_len =
8899 nla_len(ssid);
8900 }
cb9abd48 8901 if (bssid)
d39f3b4f
JB		 8902 memcpy(request->match_sets[i].bssid,
8903 nla_data(bssid), ETH_ALEN);
3007e352 8904
d39f3b4f
JB		 8905 /* special attribute - old implementation w/a */
8906 request->match_sets[i].rssi_thold = default_match_rssi;
8907 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8908 if (rssi)
ea73cbce 8909 request->match_sets[i].rssi_thold =
d39f3b4f 8910 nla_get_s32(rssi);
1e1b11b6 8911
8912 /* Parse per band RSSI attribute */
8913 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8914 &request->match_sets[i],
8915 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8916 request->match_sets[i].rssi_thold);
8917 if (err)
8918 goto out_free;
8919
a1f1c21c
LC		 8920 i++;
8921 }
ea73cbce
JB		 8922
8923 /* there was no other matchset, so the RSSI one is alone */
f89f46cf 8924 if (i == 0 && n_match_sets)
ea73cbce
JB		 8925 request->match_sets[0].rssi_thold = default_match_rssi;
8926
8927 request->min_rssi_thold = INT_MAX;
8928 for (i = 0; i < n_match_sets; i++)
8929 request->min_rssi_thold =
8930 min(request->match_sets[i].rssi_thold,
8931 request->min_rssi_thold);
8932 } else {
8933 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
a1f1c21c
LC		 8934 }
8935
9900e484
JB		 8936 if (ie_len) {
8937 request->ie_len = ie_len;
807f8a8c 8938 memcpy((void *)request->ie,
256da02d 8939 nla_data(attrs[NL80211_ATTR_IE]),
807f8a8c
LC		 8940 request->ie_len);
8941 }
8942
2d23d073
RZ		 8943 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8944 if (err)
8945 goto out_free;
ed473771 8946
9c748934
LC		 8947 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8948 request->delay =
8949 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8950
bf95ecdb 8951 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8952 request->relative_rssi = nla_get_s8(
8953 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8954 request->relative_rssi_set = true;
8955 }
8956
8957 if (request->relative_rssi_set &&
8958 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8959 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8960
8961 rssi_adjust = nla_data(
8962 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8963 request->rssi_adjust.band = rssi_adjust->band;
8964 request->rssi_adjust.delta = rssi_adjust->delta;
8965 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8966 err = -EINVAL;
8967 goto out_free;
8968 }
8969 }
8970
3b06d277
AS		 8971 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8972 if (err)
8973 goto out_free;
8974
15d6030b 8975 request->scan_start = jiffies;
807f8a8c 8976
256da02d 8977 return request;
807f8a8c
LC		 8978
8979out_free:
8980 kfree(request);
256da02d
LC		 8981 return ERR_PTR(err);
8982}
8983
8984static int nl80211_start_sched_scan(struct sk_buff *skb,
8985 struct genl_info *info)
8986{
8987 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8988 struct net_device *dev = info->user_ptr[1];
ad2b26ab 8989 struct wireless_dev *wdev = dev->ieee80211_ptr;
31a60ed1 8990 struct cfg80211_sched_scan_request *sched_scan_req;
ca986ad9 8991 bool want_multi;
256da02d
LC		 8992 int err;
8993
ca986ad9 8994 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
256da02d
LC		 8995 return -EOPNOTSUPP;
8996
ca986ad9
AVS		 8997 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8998 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8999 if (err)
9000 return err;
256da02d 9001
31a60ed1 9002 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
aad1e812
AVS		 9003 info->attrs,
9004 rdev->wiphy.max_match_sets);
31a60ed1
JR		 9005
9006 err = PTR_ERR_OR_ZERO(sched_scan_req);
256da02d
LC		 9007 if (err)
9008 goto out_err;
9009
ca986ad9
AVS		 9010 /* leave request id zero for legacy request
9011 * or if driver does not support multi-scheduled scan
9012 */
2fd351a8
DK		 9013 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9014 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
ca986ad9 9015
31a60ed1 9016 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
256da02d
LC		 9017 if (err)
9018 goto out_free;
9019
31a60ed1
JR		 9020 sched_scan_req->dev = dev;
9021 sched_scan_req->wiphy = &rdev->wiphy;
9022
93a1e86c
JR		 9023 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9024 sched_scan_req->owner_nlportid = info->snd_portid;
9025
ca986ad9 9026 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
256da02d 9027
96b08fd6 9028 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
256da02d
LC		 9029 return 0;
9030
9031out_free:
31a60ed1 9032 kfree(sched_scan_req);
256da02d 9033out_err:
807f8a8c
LC		 9034 return err;
9035}
9036
9037static int nl80211_stop_sched_scan(struct sk_buff *skb,
9038 struct genl_info *info)
9039{
ca986ad9 9040 struct cfg80211_sched_scan_request *req;
807f8a8c 9041 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ca986ad9 9042 u64 cookie;
807f8a8c 9043
ca986ad9 9044 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
807f8a8c
LC		 9045 return -EOPNOTSUPP;
9046
ca986ad9
AVS		 9047 if (info->attrs[NL80211_ATTR_COOKIE]) {
9048 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9049 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9050 }
9051
9052 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9053 struct cfg80211_sched_scan_request,
9054 list);
9055 if (!req || req->reqid ||
9056 (req->owner_nlportid &&
9057 req->owner_nlportid != info->snd_portid))
9058 return -ENOENT;
9059
9060 return cfg80211_stop_sched_scan_req(rdev, req, false);
807f8a8c
LC		 9061}
9062
04f39047
SW		 9063static int nl80211_start_radar_detection(struct sk_buff *skb,
9064 struct genl_info *info)
9065{
9066 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9067 struct net_device *dev = info->user_ptr[1];
9068 struct wireless_dev *wdev = dev->ieee80211_ptr;
13cf6dec 9069 struct wiphy *wiphy = wdev->wiphy;
04f39047 9070 struct cfg80211_chan_def chandef;
55f7435c 9071 enum nl80211_dfs_regions dfs_region;
31559f35 9072 unsigned int cac_time_ms;
04f39047
SW		 9073 int err;
9074
13cf6dec 9075 dfs_region = reg_get_dfs_region(wiphy);
55f7435c
LR		 9076 if (dfs_region == NL80211_DFS_UNSET)
9077 return -EINVAL;
9078
04f39047
SW		 9079 err = nl80211_parse_chandef(rdev, info, &chandef);
9080 if (err)
9081 return err;
9082
ff311bc1
SW		 9083 if (netif_carrier_ok(dev))
9084 return -EBUSY;
9085
04f39047
SW		 9086 if (wdev->cac_started)
9087 return -EBUSY;
9088
13cf6dec 9089 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
04f39047
SW		 9090 if (err < 0)
9091 return err;
9092
9093 if (err == 0)
9094 return -EINVAL;
9095
13cf6dec 9096 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
04f39047
SW		 9097 return -EINVAL;
9098
13cf6dec
DL		 9099 /* CAC start is offloaded to HW and can't be started manually */
9100 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
9101 return -EOPNOTSUPP;
9102
04f39047
SW		 9103 if (!rdev->ops->start_radar_detection)
9104 return -EOPNOTSUPP;
9105
31559f35
JD		 9106 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9107 if (WARN_ON(!cac_time_ms))
9108 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9109
a1056b1b 9110 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
04f39047 9111 if (!err) {
9e0e2961 9112 wdev->chandef = chandef;
04f39047
SW		 9113 wdev->cac_started = true;
9114 wdev->cac_start_time = jiffies;
31559f35 9115 wdev->cac_time_ms = cac_time_ms;
04f39047 9116 }
04f39047
SW		 9117 return err;
9118}
9119
30c63115
S		 9120static int nl80211_notify_radar_detection(struct sk_buff *skb,
9121 struct genl_info *info)
9122{
9123 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9124 struct net_device *dev = info->user_ptr[1];
9125 struct wireless_dev *wdev = dev->ieee80211_ptr;
9126 struct wiphy *wiphy = wdev->wiphy;
9127 struct cfg80211_chan_def chandef;
9128 enum nl80211_dfs_regions dfs_region;
9129 int err;
9130
9131 dfs_region = reg_get_dfs_region(wiphy);
9132 if (dfs_region == NL80211_DFS_UNSET) {
9133 GENL_SET_ERR_MSG(info,
9134 "DFS Region is not set. Unexpected Radar indication");
9135 return -EINVAL;
9136 }
9137
9138 err = nl80211_parse_chandef(rdev, info, &chandef);
9139 if (err) {
9140 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9141 return err;
9142 }
9143
9144 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9145 if (err < 0) {
9146 GENL_SET_ERR_MSG(info, "chandef is invalid");
9147 return err;
9148 }
9149
9150 if (err == 0) {
9151 GENL_SET_ERR_MSG(info,
9152 "Unexpected Radar indication for chandef/iftype");
9153 return -EINVAL;
9154 }
9155
9156 /* Do not process this notification if radar is already detected
9157 * by kernel on this channel, and return success.
9158 */
9159 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9160 return 0;
9161
9162 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9163
9164 cfg80211_sched_dfs_chan_update(rdev);
9165
a680fe46 9166 rdev->radar_chandef = chandef;
30c63115
S		 9167
9168 /* Propagate this notification to other radios as well */
9169 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9170
9171 return 0;
9172}
9173
16ef1fe2
SW		 9174static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9175{
9176 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9177 struct net_device *dev = info->user_ptr[1];
9178 struct wireless_dev *wdev = dev->ieee80211_ptr;
9179 struct cfg80211_csa_settings params;
a05829a7 9180 struct nlattr **csa_attrs = NULL;
16ef1fe2 9181 int err;
ee4bc9e7 9182 bool need_new_beacon = false;
8d9de16f 9183 bool need_handle_dfs_flag = true;
9a774c78 9184 int len, i;
252e07ca 9185 u32 cs_count;
16ef1fe2
SW		 9186
9187 if (!rdev->ops->channel_switch ||
9188 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9189 return -EOPNOTSUPP;
9190
ee4bc9e7
SW		 9191 switch (dev->ieee80211_ptr->iftype) {
9192 case NL80211_IFTYPE_AP:
9193 case NL80211_IFTYPE_P2P_GO:
9194 need_new_beacon = true;
8d9de16f
BB		 9195 /* For all modes except AP the handle_dfs flag needs to be
9196 * supplied to tell the kernel that userspace will handle radar
9197 * events when they happen. Otherwise a switch to a channel
9198 * requiring DFS will be rejected.
9199 */
9200 need_handle_dfs_flag = false;
ee4bc9e7
SW		 9201
9202 /* useless if AP is not running */
9203 if (!wdev->beacon_interval)
1ff79dfa 9204 return -ENOTCONN;
ee4bc9e7
SW		 9205 break;
9206 case NL80211_IFTYPE_ADHOC:
1ff79dfa
JB		 9207 if (!wdev->ssid_len)
9208 return -ENOTCONN;
9209 break;
c6da674a 9210 case NL80211_IFTYPE_MESH_POINT:
1ff79dfa
JB		 9211 if (!wdev->mesh_id_len)
9212 return -ENOTCONN;
ee4bc9e7
SW		 9213 break;
9214 default:
16ef1fe2 9215 return -EOPNOTSUPP;
ee4bc9e7 9216 }
16ef1fe2
SW		 9217
9218 memset(&params, 0, sizeof(params));
c177db2d 9219 params.beacon_csa.ftm_responder = -1;
16ef1fe2
SW		 9220
9221 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9222 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9223 return -EINVAL;
9224
9225 /* only important for AP, IBSS and mesh create IEs internally */
d0a361a5 9226 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
16ef1fe2
SW		 9227 return -EINVAL;
9228
252e07ca
LC		 9229 /* Even though the attribute is u32, the specification says
9230 * u8, so let's make sure we don't overflow.
9231 */
9232 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9233 if (cs_count > 255)
9234 return -EINVAL;
9235
9236 params.count = cs_count;
16ef1fe2 9237
ee4bc9e7
SW		 9238 if (!need_new_beacon)
9239 goto skip_beacons;
9240
81e54d08 9241 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_after);
16ef1fe2
SW		 9242 if (err)
9243 return err;
9244
a05829a7
JB		 9245 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
9246 GFP_KERNEL);
9247 if (!csa_attrs)
9248 return -ENOMEM;
9249
8cb08174
JB		 9250 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9251 info->attrs[NL80211_ATTR_CSA_IES],
9252 nl80211_policy, info->extack);
16ef1fe2 9253 if (err)
a05829a7 9254 goto free;
16ef1fe2 9255
81e54d08 9256 err = nl80211_parse_beacon(rdev, csa_attrs, &params.beacon_csa);
16ef1fe2 9257 if (err)
a05829a7 9258 goto free;
16ef1fe2 9259
a05829a7
JB		 9260 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
9261 err = -EINVAL;
9262 goto free;
9263 }
16ef1fe2 9264
00c207ed 9265 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
a05829a7
JB		 9266 if (!len || (len % sizeof(u16))) {
9267 err = -EINVAL;
9268 goto free;
9269 }
16ef1fe2 9270
9a774c78
AO		 9271 params.n_counter_offsets_beacon = len / sizeof(u16);
9272 if (rdev->wiphy.max_num_csa_counters &&
9273 (params.n_counter_offsets_beacon >
a05829a7
JB		 9274 rdev->wiphy.max_num_csa_counters)) {
9275 err = -EINVAL;
9276 goto free;
9277 }
16ef1fe2 9278
9a774c78 9279 params.counter_offsets_beacon =
00c207ed 9280 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9a774c78
AO		 9281
9282 /* sanity checks - counters should fit and be the same */
9283 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9284 u16 offset = params.counter_offsets_beacon[i];
9285
a05829a7
JB		 9286 if (offset >= params.beacon_csa.tail_len) {
9287 err = -EINVAL;
9288 goto free;
9289 }
9a774c78 9290
a05829a7
JB		 9291 if (params.beacon_csa.tail[offset] != params.count) {
9292 err = -EINVAL;
9293 goto free;
9294 }
9a774c78
AO		 9295 }
9296
00c207ed
JC		 9297 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9298 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
a05829a7
JB		 9299 if (!len || (len % sizeof(u16))) {
9300 err = -EINVAL;
9301 goto free;
9302 }
16ef1fe2 9303
9a774c78
AO		 9304 params.n_counter_offsets_presp = len / sizeof(u16);
9305 if (rdev->wiphy.max_num_csa_counters &&
ad5987b4 9306 (params.n_counter_offsets_presp >
a05829a7
JB		 9307 rdev->wiphy.max_num_csa_counters)) {
9308 err = -EINVAL;
9309 goto free;
9310 }
9a774c78
AO		 9311
9312 params.counter_offsets_presp =
00c207ed 9313 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9a774c78
AO		 9314
9315 /* sanity checks - counters should fit and be the same */
9316 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9317 u16 offset = params.counter_offsets_presp[i];
9318
a05829a7
JB		 9319 if (offset >= params.beacon_csa.probe_resp_len) {
9320 err = -EINVAL;
9321 goto free;
9322 }
9a774c78
AO		 9323
9324 if (params.beacon_csa.probe_resp[offset] !=
a05829a7
JB		 9325 params.count) {
9326 err = -EINVAL;
9327 goto free;
9328 }
9a774c78 9329 }
16ef1fe2
SW		 9330 }
9331
ee4bc9e7 9332skip_beacons:
16ef1fe2
SW		 9333 err = nl80211_parse_chandef(rdev, info, &params.chandef);
9334 if (err)
a05829a7 9335 goto free;
16ef1fe2 9336
923b352f 9337 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
a05829a7
JB		 9338 wdev->iftype)) {
9339 err = -EINVAL;
9340 goto free;
9341 }
16ef1fe2 9342
2beb6dab
LC		 9343 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9344 &params.chandef,
9345 wdev->iftype);
9346 if (err < 0)
a05829a7 9347 goto free;
2beb6dab 9348
8d9de16f 9349 if (err > 0) {
2beb6dab 9350 params.radar_required = true;
8d9de16f
BB		 9351 if (need_handle_dfs_flag &&
9352 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
a05829a7
JB		 9353 err = -EINVAL;
9354 goto free;
8d9de16f
BB		 9355 }
9356 }
16ef1fe2 9357
16ef1fe2
SW		 9358 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9359 params.block_tx = true;
9360
c56589ed
SW		 9361 wdev_lock(wdev);
9362 err = rdev_channel_switch(rdev, dev, &params);
9363 wdev_unlock(wdev);
9364
a05829a7
JB		 9365free:
9366 kfree(csa_attrs);
c56589ed 9367 return err;
16ef1fe2
SW		 9368}
9369
9720bb3a
JB		 9370static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9371 u32 seq, int flags,
2a519311 9372 struct cfg80211_registered_device *rdev,
48ab905d
JB		 9373 struct wireless_dev *wdev,
9374 struct cfg80211_internal_bss *intbss)
2a519311 9375{
48ab905d 9376 struct cfg80211_bss *res = &intbss->pub;
9caf0364 9377 const struct cfg80211_bss_ies *ies;
2a519311
JB		 9378 void *hdr;
9379 struct nlattr *bss;
48ab905d
JB		 9380
9381 ASSERT_WDEV_LOCK(wdev);
2a519311 9382
15e47304 9383 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
2a519311
JB		 9384 NL80211_CMD_NEW_SCAN_RESULTS);
9385 if (!hdr)
9386 return -1;
9387
0a833c29 9388 genl_dump_check_consistent(cb, hdr);
9720bb3a 9389
97990a06
JB		 9390 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9391 goto nla_put_failure;
9392 if (wdev->netdev &&
9360ffd1
DM		 9393 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9394 goto nla_put_failure;
2dad624e
ND		 9395 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9396 NL80211_ATTR_PAD))
97990a06 9397 goto nla_put_failure;
2a519311 9398
ae0be8de 9399 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
2a519311
JB		 9400 if (!bss)
9401 goto nla_put_failure;
9360ffd1 9402 if ((!is_zero_ether_addr(res->bssid) &&
9caf0364 9403 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9360ffd1 9404 goto nla_put_failure;
9caf0364
JB		 9405
9406 rcu_read_lock();
0e227084
JB		 9407 /* indicate whether we have probe response data or not */
9408 if (rcu_access_pointer(res->proberesp_ies) &&
9409 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9410 goto fail_unlock_rcu;
9411
9412 /* this pointer prefers to be pointed to probe response data
9413 * but is always valid
9414 */
9caf0364 9415 ies = rcu_dereference(res->ies);
8cef2c9d 9416 if (ies) {
2dad624e
ND		 9417 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9418 NL80211_BSS_PAD))
8cef2c9d 9419 goto fail_unlock_rcu;
8cef2c9d
JB		 9420 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9421 ies->len, ies->data))
9422 goto fail_unlock_rcu;
9caf0364 9423 }
0e227084
JB		 9424
9425 /* and this pointer is always (unless driver didn't know) beacon data */
9caf0364 9426 ies = rcu_dereference(res->beacon_ies);
0e227084 9427 if (ies && ies->from_beacon) {
2dad624e
ND		 9428 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9429 NL80211_BSS_PAD))
8cef2c9d
JB		 9430 goto fail_unlock_rcu;
9431 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9432 ies->len, ies->data))
9433 goto fail_unlock_rcu;
9caf0364
JB		 9434 }
9435 rcu_read_unlock();
9436
9360ffd1
DM		 9437 if (res->beacon_interval &&
9438 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9439 goto nla_put_failure;
9440 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9441 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
942ba88b
TP		 9442 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9443 res->channel->freq_offset) ||
dcd6eac1 9444 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9360ffd1
DM		 9445 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9446 jiffies_to_msecs(jiffies - intbss->ts)))
9447 goto nla_put_failure;
2a519311 9448
1d76250b
AS		 9449 if (intbss->parent_tsf &&
9450 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9451 intbss->parent_tsf, NL80211_BSS_PAD) ||
9452 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9453 intbss->parent_bssid)))
9454 goto nla_put_failure;
9455
6e19bc4b 9456 if (intbss->ts_boottime &&
2dad624e
ND		 9457 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9458 intbss->ts_boottime, NL80211_BSS_PAD))
6e19bc4b
DS		 9459 goto nla_put_failure;
9460
983dafaa
SD		 9461 if (!nl80211_put_signal(msg, intbss->pub.chains,
9462 intbss->pub.chain_signal,
9463 NL80211_BSS_CHAIN_SIGNAL))
9464 goto nla_put_failure;
9465
77965c97 9466 switch (rdev->wiphy.signal_type) {
2a519311 9467 case CFG80211_SIGNAL_TYPE_MBM:
9360ffd1
DM		 9468 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9469 goto nla_put_failure;
2a519311
JB		 9470 break;
9471 case CFG80211_SIGNAL_TYPE_UNSPEC:
9360ffd1
DM		 9472 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9473 goto nla_put_failure;
2a519311
JB		 9474 break;
9475 default:
9476 break;
9477 }
9478
48ab905d 9479 switch (wdev->iftype) {
074ac8df 9480 case NL80211_IFTYPE_P2P_CLIENT:
48ab905d 9481 case NL80211_IFTYPE_STATION:
9360ffd1
DM		 9482 if (intbss == wdev->current_bss &&
9483 nla_put_u32(msg, NL80211_BSS_STATUS,
9484 NL80211_BSS_STATUS_ASSOCIATED))
9485 goto nla_put_failure;
48ab905d
JB		 9486 break;
9487 case NL80211_IFTYPE_ADHOC:
9360ffd1
DM		 9488 if (intbss == wdev->current_bss &&
9489 nla_put_u32(msg, NL80211_BSS_STATUS,
9490 NL80211_BSS_STATUS_IBSS_JOINED))
9491 goto nla_put_failure;
48ab905d
JB		 9492 break;
9493 default:
9494 break;
9495 }
9496
2a519311
JB		 9497 nla_nest_end(msg, bss);
9498
053c095a
JB		 9499 genlmsg_end(msg, hdr);
9500 return 0;
2a519311 9501
8cef2c9d
JB		 9502 fail_unlock_rcu:
9503 rcu_read_unlock();
2a519311
JB		 9504 nla_put_failure:
9505 genlmsg_cancel(msg, hdr);
9506 return -EMSGSIZE;
9507}
9508
97990a06 9509static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
2a519311 9510{
48ab905d 9511 struct cfg80211_registered_device *rdev;
2a519311 9512 struct cfg80211_internal_bss *scan;
48ab905d 9513 struct wireless_dev *wdev;
97990a06 9514 int start = cb->args[2], idx = 0;
2a519311
JB		 9515 int err;
9516
5297c65c 9517 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
a05829a7 9518 if (err)
67748893 9519 return err;
a05829a7
JB		 9520 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9521 __acquire(&rdev->wiphy.mtx);
2a519311 9522
48ab905d
JB		 9523 wdev_lock(wdev);
9524 spin_lock_bh(&rdev->bss_lock);
d1e23c94
DK		 9525
9526 /*
9527 * dump_scan will be called multiple times to break up the scan results
9528 * into multiple messages. It is unlikely that any more bss-es will be
9529 * expired after the first call, so only call only call this on the
9530 * first dump_scan invocation.
9531 */
9532 if (start == 0)
9533 cfg80211_bss_expire(rdev);
48ab905d 9534
9720bb3a
JB		 9535 cb->seq = rdev->bss_generation;
9536
48ab905d 9537 list_for_each_entry(scan, &rdev->bss_list, list) {
2a519311
JB		 9538 if (++idx <= start)
9539 continue;
9720bb3a 9540 if (nl80211_send_bss(skb, cb,
2a519311 9541 cb->nlh->nlmsg_seq, NLM_F_MULTI,
48ab905d 9542 rdev, wdev, scan) < 0) {
2a519311 9543 idx--;
67748893 9544 break;
2a519311
JB		 9545 }
9546 }
9547
48ab905d
JB		 9548 spin_unlock_bh(&rdev->bss_lock);
9549 wdev_unlock(wdev);
2a519311 9550
97990a06 9551 cb->args[2] = idx;
a05829a7 9552 wiphy_unlock(&rdev->wiphy);
2a519311 9553
67748893 9554 return skb->len;
2a519311
JB		 9555}
9556
15e47304 9557static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
11f78ac3
JB		 9558 int flags, struct net_device *dev,
9559 bool allow_radio_stats,
9560 struct survey_info *survey)
61fa713c
HS		 9561{
9562 void *hdr;
9563 struct nlattr *infoattr;
9564
11f78ac3
JB		 9565 /* skip radio stats if userspace didn't request them */
9566 if (!survey->channel && !allow_radio_stats)
9567 return 0;
9568
15e47304 9569 hdr = nl80211hdr_put(msg, portid, seq, flags,
61fa713c
HS		 9570 NL80211_CMD_NEW_SURVEY_RESULTS);
9571 if (!hdr)
9572 return -ENOMEM;
9573
9360ffd1
DM		 9574 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9575 goto nla_put_failure;
61fa713c 9576
ae0be8de 9577 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
61fa713c
HS		 9578 if (!infoattr)
9579 goto nla_put_failure;
9580
11f78ac3
JB		 9581 if (survey->channel &&
9582 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9360ffd1
DM		 9583 survey->channel->center_freq))
9584 goto nla_put_failure;
58ef7c1b
TP		 9585
9586 if (survey->channel && survey->channel->freq_offset &&
9587 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9588 survey->channel->freq_offset))
9589 goto nla_put_failure;
9360ffd1
DM		 9590
9591 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9592 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9593 goto nla_put_failure;
9594 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9595 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9596 goto nla_put_failure;
4ed20beb 9597 if ((survey->filled & SURVEY_INFO_TIME) &&
2dad624e
ND		 9598 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9599 survey->time, NL80211_SURVEY_INFO_PAD))
9360ffd1 9600 goto nla_put_failure;
4ed20beb 9601 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
2dad624e
ND		 9602 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9603 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 9604 goto nla_put_failure;
4ed20beb 9605 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
2dad624e
ND		 9606 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9607 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 9608 goto nla_put_failure;
4ed20beb 9609 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
2dad624e
ND		 9610 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9611 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9360ffd1 9612 goto nla_put_failure;
4ed20beb 9613 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
2dad624e
ND		 9614 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9615 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9360ffd1 9616 goto nla_put_failure;
052536ab 9617 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
2dad624e
ND		 9618 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9619 survey->time_scan, NL80211_SURVEY_INFO_PAD))
052536ab 9620 goto nla_put_failure;
c8cd6e7f
FF		 9621 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9622 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9623 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9624 goto nla_put_failure;
61fa713c
HS		 9625
9626 nla_nest_end(msg, infoattr);
9627
053c095a
JB		 9628 genlmsg_end(msg, hdr);
9629 return 0;
61fa713c
HS		 9630
9631 nla_put_failure:
9632 genlmsg_cancel(msg, hdr);
9633 return -EMSGSIZE;
9634}
9635
11f78ac3 9636static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
61fa713c 9637{
50508d94 9638 struct nlattr **attrbuf;
61fa713c 9639 struct survey_info survey;
1b8ec87a 9640 struct cfg80211_registered_device *rdev;
97990a06
JB		 9641 struct wireless_dev *wdev;
9642 int survey_idx = cb->args[2];
61fa713c 9643 int res;
11f78ac3 9644 bool radio_stats;
61fa713c 9645
50508d94
JB		 9646 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9647 if (!attrbuf)
9648 return -ENOMEM;
9649
5297c65c 9650 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
a05829a7
JB		 9651 if (res) {
9652 kfree(attrbuf);
9653 return res;
9654 }
9655 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9656 __acquire(&rdev->wiphy.mtx);
61fa713c 9657
11f78ac3 9658 /* prepare_wdev_dump parsed the attributes */
c90c39da 9659 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
11f78ac3 9660
97990a06
JB		 9661 if (!wdev->netdev) {
9662 res = -EINVAL;
9663 goto out_err;
9664 }
9665
1b8ec87a 9666 if (!rdev->ops->dump_survey) {
61fa713c
HS		 9667 res = -EOPNOTSUPP;
9668 goto out_err;
9669 }
9670
9671 while (1) {
1b8ec87a 9672 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
61fa713c
HS		 9673 if (res == -ENOENT)
9674 break;
9675 if (res)
9676 goto out_err;
9677
11f78ac3
JB		 9678 /* don't send disabled channels, but do send non-channel data */
9679 if (survey.channel &&
9680 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
180cdc79
LR		 9681 survey_idx++;
9682 continue;
9683 }
9684
61fa713c 9685 if (nl80211_send_survey(skb,
15e47304 9686 NETLINK_CB(cb->skb).portid,
61fa713c 9687 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11f78ac3 9688 wdev->netdev, radio_stats, &survey) < 0)
61fa713c
HS		 9689 goto out;
9690 survey_idx++;
9691 }
9692
9693 out:
97990a06 9694 cb->args[2] = survey_idx;
61fa713c
HS		 9695 res = skb->len;
9696 out_err:
50508d94 9697 kfree(attrbuf);
a05829a7 9698 wiphy_unlock(&rdev->wiphy);
61fa713c
HS		 9699 return res;
9700}
9701
b23aa676
SO		 9702static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9703{
9704 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
cc3e14c2
CHH		 9705 NL80211_WPA_VERSION_2 |
9706 NL80211_WPA_VERSION_3));
b23aa676
SO		 9707}
9708
636a5d36
JM		 9709static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9710{
4c476991
JB		 9711 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9712 struct net_device *dev = info->user_ptr[1];
19957bb3 9713 struct ieee80211_channel *chan;
11b6b5a4
JM		 9714 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9715 int err, ssid_len, ie_len = 0, auth_data_len = 0;
19957bb3 9716 enum nl80211_auth_type auth_type;
fffd0934 9717 struct key_parse key;
d5cdfacb 9718 bool local_state_change;
942ba88b 9719 u32 freq;
636a5d36 9720
f4a11bb0
JB		 9721 if (!info->attrs[NL80211_ATTR_MAC])
9722 return -EINVAL;
9723
1778092e
JM		 9724 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9725 return -EINVAL;
9726
19957bb3
JB		 9727 if (!info->attrs[NL80211_ATTR_SSID])
9728 return -EINVAL;
9729
9730 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9731 return -EINVAL;
9732
fffd0934
JB		 9733 err = nl80211_parse_key(info, &key);
9734 if (err)
9735 return err;
9736
9737 if (key.idx >= 0) {
e31b8213
JB		 9738 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9739 return -EINVAL;
fffd0934
JB		 9740 if (!key.p.key || !key.p.key_len)
9741 return -EINVAL;
9742 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9743 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9744 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9745 key.p.key_len != WLAN_KEY_LEN_WEP104))
9746 return -EINVAL;
b6b5555b 9747 if (key.idx > 3)
fffd0934
JB		 9748 return -EINVAL;
9749 } else {
9750 key.p.key_len = 0;
9751 key.p.key = NULL;
9752 }
9753
afea0b7a
JB		 9754 if (key.idx >= 0) {
9755 int i;
9756 bool ok = false;
7a087e74 9757
afea0b7a
JB		 9758 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9759 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9760 ok = true;
9761 break;
9762 }
9763 }
4c476991
JB		 9764 if (!ok)
9765 return -EINVAL;
afea0b7a
JB		 9766 }
9767
4c476991
JB		 9768 if (!rdev->ops->auth)
9769 return -EOPNOTSUPP;
636a5d36 9770
074ac8df 9771 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9772 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9773 return -EOPNOTSUPP;
eec60b03 9774
19957bb3 9775 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
942ba88b
TP		 9776 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9777 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9778 freq +=
9779 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9780
9781 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
664834de 9782 if (!chan)
4c476991 9783 return -EINVAL;
636a5d36 9784
19957bb3
JB		 9785 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9786 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 9787
9788 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9789 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9790 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9791 }
9792
19957bb3 9793 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e 9794 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
4c476991 9795 return -EINVAL;
636a5d36 9796
63181060
JM		 9797 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9798 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9799 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9800 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
11b6b5a4 9801 !info->attrs[NL80211_ATTR_AUTH_DATA])
e39e5b5e
JM		 9802 return -EINVAL;
9803
11b6b5a4 9804 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
63181060
JM		 9805 if (auth_type != NL80211_AUTHTYPE_SAE &&
9806 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9807 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9808 auth_type != NL80211_AUTHTYPE_FILS_PK)
e39e5b5e 9809 return -EINVAL;
11b6b5a4
JM		 9810 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9811 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
e39e5b5e
JM		 9812 }
9813
d5cdfacb
JM		 9814 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9815
95de817b
JB		 9816 /*
9817 * Since we no longer track auth state, ignore
9818 * requests to only change local state.
9819 */
9820 if (local_state_change)
9821 return 0;
9822
91bf9b26
JB		 9823 wdev_lock(dev->ieee80211_ptr);
9824 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9825 ssid, ssid_len, ie, ie_len,
9826 key.p.key, key.p.key_len, key.idx,
11b6b5a4 9827 auth_data, auth_data_len);
91bf9b26
JB		 9828 wdev_unlock(dev->ieee80211_ptr);
9829 return err;
636a5d36
JM		 9830}
9831
64bf3d4b
DK		 9832static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9833 struct genl_info *info)
9834{
9835 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9836 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9837 return -EINVAL;
9838 }
9839
9840 if (!rdev->ops->tx_control_port ||
9841 !wiphy_ext_feature_isset(&rdev->wiphy,
9842 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9843 return -EOPNOTSUPP;
9844
9845 return 0;
9846}
9847
c0692b8f
JB		 9848static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9849 struct genl_info *info,
3dc27d25
JB		 9850 struct cfg80211_crypto_settings *settings,
9851 int cipher_limit)
b23aa676 9852{
c0b2bbd8
JB		 9853 memset(settings, 0, sizeof(*settings));
9854
b23aa676
SO		 9855 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9856
c0692b8f
JB		 9857 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9858 u16 proto;
7a087e74 9859
c0692b8f
JB		 9860 proto = nla_get_u16(
9861 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9862 settings->control_port_ethertype = cpu_to_be16(proto);
9863 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9864 proto != ETH_P_PAE)
9865 return -EINVAL;
9866 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9867 settings->control_port_no_encrypt = true;
9868 } else
9869 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9870
64bf3d4b
DK		 9871 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9872 int r = validate_pae_over_nl80211(rdev, info);
9873
9874 if (r < 0)
9875 return r;
9876
9877 settings->control_port_over_nl80211 = true;
7f3f96ce
MT		 9878
9879 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9880 settings->control_port_no_preauth = true;
64bf3d4b
DK		 9881 }
9882
b23aa676
SO		 9883 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9884 void *data;
9885 int len, i;
9886
9887 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9888 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9889 settings->n_ciphers_pairwise = len / sizeof(u32);
9890
9891 if (len % sizeof(u32))
9892 return -EINVAL;
9893
3dc27d25 9894 if (settings->n_ciphers_pairwise > cipher_limit)
b23aa676
SO		 9895 return -EINVAL;
9896
9897 memcpy(settings->ciphers_pairwise, data, len);
9898
9899 for (i = 0; i < settings->n_ciphers_pairwise; i++)
38ba3c57
JM		 9900 if (!cfg80211_supported_cipher_suite(
9901 &rdev->wiphy,
b23aa676
SO		 9902 settings->ciphers_pairwise[i]))
9903 return -EINVAL;
9904 }
9905
9906 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9907 settings->cipher_group =
9908 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
38ba3c57
JM		 9909 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9910 settings->cipher_group))
b23aa676
SO		 9911 return -EINVAL;
9912 }
9913
9914 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9915 settings->wpa_versions =
9916 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9917 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9918 return -EINVAL;
9919 }
9920
9921 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9922 void *data;
6d30240e 9923 int len;
b23aa676
SO		 9924
9925 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9926 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9927 settings->n_akm_suites = len / sizeof(u32);
9928
9929 if (len % sizeof(u32))
9930 return -EINVAL;
9931
1b9ca027
JM		 9932 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9933 return -EINVAL;
9934
b23aa676 9935 memcpy(settings->akm_suites, data, len);
b23aa676
SO		 9936 }
9937
91b5ab62
EP		 9938 if (info->attrs[NL80211_ATTR_PMK]) {
9939 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9940 return -EINVAL;
9941 if (!wiphy_ext_feature_isset(&rdev->wiphy,
f9662274
CHH		 9942 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
9943 !wiphy_ext_feature_isset(&rdev->wiphy,
9944 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
91b5ab62
EP		 9945 return -EINVAL;
9946 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9947 }
9948
26f7044e
CHH		 9949 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9950 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2831a631
CHH		 9951 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
9952 !wiphy_ext_feature_isset(&rdev->wiphy,
9953 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
26f7044e
CHH		 9954 return -EINVAL;
9955 settings->sae_pwd =
9956 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9957 settings->sae_pwd_len =
9958 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9959 }
9960
9f0ffa41
RD		 9961 if (info->attrs[NL80211_ATTR_SAE_PWE])
9962 settings->sae_pwe =
9963 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
9964 else
9965 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
9966
b23aa676
SO		 9967 return 0;
9968}
9969
636a5d36
JM		 9970static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9971{
4c476991
JB		 9972 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9973 struct net_device *dev = info->user_ptr[1];
f444de05 9974 struct ieee80211_channel *chan;
f62fab73
JB		 9975 struct cfg80211_assoc_request req = {};
9976 const u8 *bssid, *ssid;
9977 int err, ssid_len = 0;
942ba88b 9978 u32 freq;
636a5d36 9979
bad29297
AZ		 9980 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9981 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9982 return -EPERM;
9983
f4a11bb0 9984 if (!info->attrs[NL80211_ATTR_MAC] ||
19957bb3
JB		 9985 !info->attrs[NL80211_ATTR_SSID] ||
9986 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
f4a11bb0
JB		 9987 return -EINVAL;
9988
4c476991
JB		 9989 if (!rdev->ops->assoc)
9990 return -EOPNOTSUPP;
636a5d36 9991
074ac8df 9992 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9993 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9994 return -EOPNOTSUPP;
eec60b03 9995
19957bb3 9996 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9997
942ba88b
TP		 9998 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9999 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10000 freq +=
10001 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10002 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
664834de 10003 if (!chan)
4c476991 10004 return -EINVAL;
636a5d36 10005
19957bb3
JB		 10006 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10007 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 10008
10009 if (info->attrs[NL80211_ATTR_IE]) {
f62fab73
JB		 10010 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10011 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 10012 }
10013
dc6382ce 10014 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4f5dadce 10015 enum nl80211_mfp mfp =
dc6382ce 10016 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4f5dadce 10017 if (mfp == NL80211_MFP_REQUIRED)
f62fab73 10018 req.use_mfp = true;
4c476991
JB		 10019 else if (mfp != NL80211_MFP_NO)
10020 return -EINVAL;
dc6382ce
JM		 10021 }
10022
3e5d7649 10023 if (info->attrs[NL80211_ATTR_PREV_BSSID])
f62fab73 10024 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
3e5d7649 10025
7e7c8926 10026 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
f62fab73 10027 req.flags |= ASSOC_REQ_DISABLE_HT;
7e7c8926
BG		 10028
10029 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
f62fab73
JB		 10030 memcpy(&req.ht_capa_mask,
10031 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10032 sizeof(req.ht_capa_mask));
7e7c8926
BG		 10033
10034 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
f62fab73 10035 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7e7c8926 10036 return -EINVAL;
f62fab73
JB		 10037 memcpy(&req.ht_capa,
10038 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10039 sizeof(req.ht_capa));
7e7c8926
BG		 10040 }
10041
ee2aca34 10042 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
f62fab73 10043 req.flags |= ASSOC_REQ_DISABLE_VHT;
ee2aca34 10044
b6db0f89
BG		 10045 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10046 req.flags |= ASSOC_REQ_DISABLE_HE;
10047
ee2aca34 10048 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
f62fab73
JB		 10049 memcpy(&req.vht_capa_mask,
10050 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10051 sizeof(req.vht_capa_mask));
ee2aca34
JB		 10052
10053 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
f62fab73 10054 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
ee2aca34 10055 return -EINVAL;
f62fab73
JB		 10056 memcpy(&req.vht_capa,
10057 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10058 sizeof(req.vht_capa));
ee2aca34
JB		 10059 }
10060
bab5ab7d 10061 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 10062 if (!((rdev->wiphy.features &
10063 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10064 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10065 !wiphy_ext_feature_isset(&rdev->wiphy,
10066 NL80211_EXT_FEATURE_RRM))
bab5ab7d
AK		 10067 return -EINVAL;
10068 req.flags |= ASSOC_REQ_USE_RRM;
10069 }
10070
348bd456
JM		 10071 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10072 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10073 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10074 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10075 return -EINVAL;
10076 req.fils_nonces =
10077 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10078 }
10079
d2b7588a
TP		 10080 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10081 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10082 return -EINVAL;
10083 memcpy(&req.s1g_capa_mask,
10084 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10085 sizeof(req.s1g_capa_mask));
10086 }
10087
10088 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10089 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10090 return -EINVAL;
10091 memcpy(&req.s1g_capa,
10092 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10093 sizeof(req.s1g_capa));
10094 }
10095
f62fab73 10096 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
91bf9b26
JB		 10097 if (!err) {
10098 wdev_lock(dev->ieee80211_ptr);
bd2522b1 10099
f62fab73
JB		 10100 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
10101 ssid, ssid_len, &req);
bd2522b1
AZ		 10102
10103 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10104 dev->ieee80211_ptr->conn_owner_nlportid =
10105 info->snd_portid;
10106 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10107 bssid, ETH_ALEN);
10108 }
10109
91bf9b26
JB		 10110 wdev_unlock(dev->ieee80211_ptr);
10111 }
636a5d36 10112
636a5d36
JM		 10113 return err;
10114}
10115
10116static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
10117{
4c476991
JB		 10118 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10119 struct net_device *dev = info->user_ptr[1];
19957bb3 10120 const u8 *ie = NULL, *bssid;
91bf9b26 10121 int ie_len = 0, err;
19957bb3 10122 u16 reason_code;
d5cdfacb 10123 bool local_state_change;
636a5d36 10124
bad29297
AZ		 10125 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10126 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10127 return -EPERM;
10128
f4a11bb0
JB		 10129 if (!info->attrs[NL80211_ATTR_MAC])
10130 return -EINVAL;
10131
10132 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10133 return -EINVAL;
10134
4c476991
JB		 10135 if (!rdev->ops->deauth)
10136 return -EOPNOTSUPP;
636a5d36 10137
074ac8df 10138 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10139 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10140 return -EOPNOTSUPP;
eec60b03 10141
19957bb3 10142 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 10143
19957bb3
JB		 10144 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10145 if (reason_code == 0) {
f4a11bb0 10146 /* Reason Code 0 is reserved */
4c476991 10147 return -EINVAL;
255e737e 10148 }
636a5d36
JM		 10149
10150 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 10151 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10152 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 10153 }
10154
d5cdfacb
JM		 10155 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10156
91bf9b26
JB		 10157 wdev_lock(dev->ieee80211_ptr);
10158 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
10159 local_state_change);
10160 wdev_unlock(dev->ieee80211_ptr);
10161 return err;
636a5d36
JM		 10162}
10163
10164static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
10165{
4c476991
JB		 10166 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10167 struct net_device *dev = info->user_ptr[1];
19957bb3 10168 const u8 *ie = NULL, *bssid;
91bf9b26 10169 int ie_len = 0, err;
19957bb3 10170 u16 reason_code;
d5cdfacb 10171 bool local_state_change;
636a5d36 10172
bad29297
AZ		 10173 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10174 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10175 return -EPERM;
10176
f4a11bb0
JB		 10177 if (!info->attrs[NL80211_ATTR_MAC])
10178 return -EINVAL;
10179
10180 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10181 return -EINVAL;
10182
4c476991
JB		 10183 if (!rdev->ops->disassoc)
10184 return -EOPNOTSUPP;
636a5d36 10185
074ac8df 10186 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10187 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10188 return -EOPNOTSUPP;
eec60b03 10189
19957bb3 10190 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 10191
19957bb3
JB		 10192 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10193 if (reason_code == 0) {
f4a11bb0 10194 /* Reason Code 0 is reserved */
4c476991 10195 return -EINVAL;
255e737e 10196 }
636a5d36
JM		 10197
10198 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 10199 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10200 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 10201 }
10202
d5cdfacb
JM		 10203 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10204
91bf9b26
JB		 10205 wdev_lock(dev->ieee80211_ptr);
10206 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
10207 local_state_change);
10208 wdev_unlock(dev->ieee80211_ptr);
10209 return err;
636a5d36
JM		 10210}
10211
dd5b4cc7
FF		 10212static bool
10213nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
57fbcce3 10214 int mcast_rate[NUM_NL80211_BANDS],
dd5b4cc7
FF		 10215 int rateval)
10216{
10217 struct wiphy *wiphy = &rdev->wiphy;
10218 bool found = false;
10219 int band, i;
10220
57fbcce3 10221 for (band = 0; band < NUM_NL80211_BANDS; band++) {
dd5b4cc7
FF		 10222 struct ieee80211_supported_band *sband;
10223
10224 sband = wiphy->bands[band];
10225 if (!sband)
10226 continue;
10227
10228 for (i = 0; i < sband->n_bitrates; i++) {
10229 if (sband->bitrates[i].bitrate == rateval) {
10230 mcast_rate[band] = i + 1;
10231 found = true;
10232 break;
10233 }
10234 }
10235 }
10236
10237 return found;
10238}
10239
04a773ad
JB		 10240static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10241{
4c476991
JB		 10242 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10243 struct net_device *dev = info->user_ptr[1];
04a773ad
JB		 10244 struct cfg80211_ibss_params ibss;
10245 struct wiphy *wiphy;
fffd0934 10246 struct cfg80211_cached_keys *connkeys = NULL;
04a773ad
JB		 10247 int err;
10248
8e30bc55
JB		 10249 memset(&ibss, 0, sizeof(ibss));
10250
683b6d3b 10251 if (!info->attrs[NL80211_ATTR_SSID] ||
04a773ad
JB		 10252 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10253 return -EINVAL;
10254
8e30bc55
JB		 10255 ibss.beacon_interval = 100;
10256
12d20fc9 10257 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8e30bc55
JB		 10258 ibss.beacon_interval =
10259 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 10260
0c317a02
PK		 10261 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10262 ibss.beacon_interval);
12d20fc9
PK		 10263 if (err)
10264 return err;
8e30bc55 10265
4c476991
JB		 10266 if (!rdev->ops->join_ibss)
10267 return -EOPNOTSUPP;
04a773ad 10268
4c476991
JB		 10269 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10270 return -EOPNOTSUPP;
04a773ad 10271
79c97e97 10272 wiphy = &rdev->wiphy;
04a773ad 10273
39193498 10274 if (info->attrs[NL80211_ATTR_MAC]) {
04a773ad 10275 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
39193498
JB		 10276
10277 if (!is_valid_ether_addr(ibss.bssid))
10278 return -EINVAL;
10279 }
04a773ad
JB		 10280 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10281 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10282
10283 if (info->attrs[NL80211_ATTR_IE]) {
10284 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10285 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10286 }
10287
683b6d3b
JB		 10288 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10289 if (err)
10290 return err;
04a773ad 10291
174e0cd2
IP		 10292 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10293 NL80211_IFTYPE_ADHOC))
54858ee5
AS		 10294 return -EINVAL;
10295
2f301ab2 10296 switch (ibss.chandef.width) {
bf372645
SW		 10297 case NL80211_CHAN_WIDTH_5:
10298 case NL80211_CHAN_WIDTH_10:
2f301ab2
SW		 10299 case NL80211_CHAN_WIDTH_20_NOHT:
10300 break;
10301 case NL80211_CHAN_WIDTH_20:
10302 case NL80211_CHAN_WIDTH_40:
ffc11991
JD		 10303 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10304 return -EINVAL;
10305 break;
10306 case NL80211_CHAN_WIDTH_80:
10307 case NL80211_CHAN_WIDTH_80P80:
10308 case NL80211_CHAN_WIDTH_160:
10309 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10310 return -EINVAL;
10311 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10312 NL80211_EXT_FEATURE_VHT_IBSS))
10313 return -EINVAL;
10314 break;
2f301ab2 10315 default:
c04d6150 10316 return -EINVAL;
2f301ab2 10317 }
db9c64cf 10318
04a773ad 10319 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
fffd0934
JB		 10320 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10321
fbd2c8dc
TP		 10322 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10323 u8 *rates =
10324 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10325 int n_rates =
10326 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10327 struct ieee80211_supported_band *sband =
683b6d3b 10328 wiphy->bands[ibss.chandef.chan->band];
fbd2c8dc 10329
34850ab2
JB		 10330 err = ieee80211_get_ratemask(sband, rates, n_rates,
10331 &ibss.basic_rates);
10332 if (err)
10333 return err;
fbd2c8dc 10334 }
dd5b4cc7 10335
803768f5
SW		 10336 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10337 memcpy(&ibss.ht_capa_mask,
10338 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10339 sizeof(ibss.ht_capa_mask));
10340
10341 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10342 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10343 return -EINVAL;
10344 memcpy(&ibss.ht_capa,
10345 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10346 sizeof(ibss.ht_capa));
10347 }
10348
dd5b4cc7
FF		 10349 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10350 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10351 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10352 return -EINVAL;
fbd2c8dc 10353
4c476991 10354 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
de7044ee
SM		 10355 bool no_ht = false;
10356
768075eb 10357 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
4c476991
JB		 10358 if (IS_ERR(connkeys))
10359 return PTR_ERR(connkeys);
de7044ee 10360
3d9d1d66
JB		 10361 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10362 no_ht) {
453431a5 10363 kfree_sensitive(connkeys);
de7044ee
SM		 10364 return -EINVAL;
10365 }
4c476991 10366 }
04a773ad 10367
267335d6
AQ		 10368 ibss.control_port =
10369 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10370
c3bfe1f6
DK		 10371 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10372 int r = validate_pae_over_nl80211(rdev, info);
10373
d350a0f4 10374 if (r < 0) {
453431a5 10375 kfree_sensitive(connkeys);
c3bfe1f6 10376 return r;
d350a0f4 10377 }
c3bfe1f6
DK		 10378
10379 ibss.control_port_over_nl80211 = true;
10380 }
10381
5336fa88
SW		 10382 ibss.userspace_handles_dfs =
10383 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10384
f8d16d3e
DK		 10385 wdev_lock(dev->ieee80211_ptr);
10386 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
fffd0934 10387 if (err)
453431a5 10388 kfree_sensitive(connkeys);
f8d16d3e
DK		 10389 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10390 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10391 wdev_unlock(dev->ieee80211_ptr);
10392
04a773ad
JB		 10393 return err;
10394}
10395
10396static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10397{
4c476991
JB		 10398 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10399 struct net_device *dev = info->user_ptr[1];
04a773ad 10400
4c476991
JB		 10401 if (!rdev->ops->leave_ibss)
10402 return -EOPNOTSUPP;
04a773ad 10403
4c476991
JB		 10404 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10405 return -EOPNOTSUPP;
04a773ad 10406
4c476991 10407 return cfg80211_leave_ibss(rdev, dev, false);
04a773ad
JB		 10408}
10409
f4e583c8
AQ		 10410static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10411{
10412 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10413 struct net_device *dev = info->user_ptr[1];
57fbcce3 10414 int mcast_rate[NUM_NL80211_BANDS];
f4e583c8
AQ		 10415 u32 nla_rate;
10416 int err;
10417
10418 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
876dc930
BVB		 10419 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10420 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
f4e583c8
AQ		 10421 return -EOPNOTSUPP;
10422
10423 if (!rdev->ops->set_mcast_rate)
10424 return -EOPNOTSUPP;
10425
10426 memset(mcast_rate, 0, sizeof(mcast_rate));
10427
10428 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10429 return -EINVAL;
10430
10431 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10432 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10433 return -EINVAL;
10434
a1056b1b 10435 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
f4e583c8
AQ		 10436
10437 return err;
10438}
10439
ad7e718c
JB		 10440static struct sk_buff *
10441__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6c09e791
AK		 10442 struct wireless_dev *wdev, int approxlen,
10443 u32 portid, u32 seq, enum nl80211_commands cmd,
567ffc35
JB		 10444 enum nl80211_attrs attr,
10445 const struct nl80211_vendor_cmd_info *info,
10446 gfp_t gfp)
ad7e718c
JB		 10447{
10448 struct sk_buff *skb;
10449 void *hdr;
10450 struct nlattr *data;
10451
10452 skb = nlmsg_new(approxlen + 100, gfp);
10453 if (!skb)
10454 return NULL;
10455
10456 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10457 if (!hdr) {
10458 kfree_skb(skb);
10459 return NULL;
10460 }
10461
10462 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10463 goto nla_put_failure;
567ffc35
JB		 10464
10465 if (info) {
10466 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10467 info->vendor_id))
10468 goto nla_put_failure;
10469 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10470 info->subcmd))
10471 goto nla_put_failure;
10472 }
10473
6c09e791 10474 if (wdev) {
2dad624e
ND		 10475 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10476 wdev_id(wdev), NL80211_ATTR_PAD))
6c09e791
AK		 10477 goto nla_put_failure;
10478 if (wdev->netdev &&
10479 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10480 wdev->netdev->ifindex))
10481 goto nla_put_failure;
10482 }
10483
ae0be8de 10484 data = nla_nest_start_noflag(skb, attr);
76e1fb4b
JB		 10485 if (!data)
10486 goto nla_put_failure;
ad7e718c
JB		 10487
10488 ((void **)skb->cb)[0] = rdev;
10489 ((void **)skb->cb)[1] = hdr;
10490 ((void **)skb->cb)[2] = data;
10491
10492 return skb;
10493
10494 nla_put_failure:
10495 kfree_skb(skb);
10496 return NULL;
10497}
f4e583c8 10498
e03ad6ea 10499struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6c09e791 10500 struct wireless_dev *wdev,
e03ad6ea
JB		 10501 enum nl80211_commands cmd,
10502 enum nl80211_attrs attr,
55c1fdf0 10503 unsigned int portid,
e03ad6ea
JB		 10504 int vendor_event_idx,
10505 int approxlen, gfp_t gfp)
10506{
f26cbf40 10507 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
e03ad6ea
JB		 10508 const struct nl80211_vendor_cmd_info *info;
10509
10510 switch (cmd) {
10511 case NL80211_CMD_TESTMODE:
10512 if (WARN_ON(vendor_event_idx != -1))
10513 return NULL;
10514 info = NULL;
10515 break;
10516 case NL80211_CMD_VENDOR:
10517 if (WARN_ON(vendor_event_idx < 0 ||
10518 vendor_event_idx >= wiphy->n_vendor_events))
10519 return NULL;
10520 info = &wiphy->vendor_events[vendor_event_idx];
10521 break;
10522 default:
10523 WARN_ON(1);
10524 return NULL;
10525 }
10526
55c1fdf0 10527 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
e03ad6ea
JB		 10528 cmd, attr, info, gfp);
10529}
10530EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10531
10532void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10533{
10534 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10535 void *hdr = ((void **)skb->cb)[1];
55c1fdf0 10536 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
e03ad6ea
JB		 10537 struct nlattr *data = ((void **)skb->cb)[2];
10538 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10539
bd8c78e7
JB		 10540 /* clear CB data for netlink core to own from now on */
10541 memset(skb->cb, 0, sizeof(skb->cb));
10542
e03ad6ea
JB		 10543 nla_nest_end(skb, data);
10544 genlmsg_end(skb, hdr);
10545
55c1fdf0
JB		 10546 if (nlhdr->nlmsg_pid) {
10547 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10548 nlhdr->nlmsg_pid);
10549 } else {
10550 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10551 mcgrp = NL80211_MCGRP_VENDOR;
e03ad6ea 10552
55c1fdf0
JB		 10553 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10554 skb, 0, mcgrp, gfp);
10555 }
e03ad6ea
JB		 10556}
10557EXPORT_SYMBOL(__cfg80211_send_event_skb);
10558
aff89a9b 10559#ifdef CONFIG_NL80211_TESTMODE
aff89a9b
JB		 10560static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10561{
4c476991 10562 struct cfg80211_registered_device *rdev = info->user_ptr[0];
a05829a7 10563 struct wireless_dev *wdev;
aff89a9b
JB		 10564 int err;
10565
a05829a7
JB		 10566 lockdep_assert_held(&rdev->wiphy.mtx);
10567
10568 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
10569 info->attrs);
10570
fc73f11f
DS		 10571 if (!rdev->ops->testmode_cmd)
10572 return -EOPNOTSUPP;
10573
10574 if (IS_ERR(wdev)) {
10575 err = PTR_ERR(wdev);
10576 if (err != -EINVAL)
10577 return err;
10578 wdev = NULL;
10579 } else if (wdev->wiphy != &rdev->wiphy) {
10580 return -EINVAL;
10581 }
10582
aff89a9b
JB		 10583 if (!info->attrs[NL80211_ATTR_TESTDATA])
10584 return -EINVAL;
10585
ad7e718c 10586 rdev->cur_cmd_info = info;
fc73f11f 10587 err = rdev_testmode_cmd(rdev, wdev,
aff89a9b
JB		 10588 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10589 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
ad7e718c 10590 rdev->cur_cmd_info = NULL;
aff89a9b 10591
aff89a9b
JB		 10592 return err;
10593}
10594
71063f0e
WYG		 10595static int nl80211_testmode_dump(struct sk_buff *skb,
10596 struct netlink_callback *cb)
10597{
00918d33 10598 struct cfg80211_registered_device *rdev;
50508d94 10599 struct nlattr **attrbuf = NULL;
71063f0e
WYG		 10600 int err;
10601 long phy_idx;
10602 void *data = NULL;
10603 int data_len = 0;
10604
5fe231e8
JB		 10605 rtnl_lock();
10606
71063f0e
WYG		 10607 if (cb->args[0]) {
10608 /*
10609 * 0 is a valid index, but not valid for args[0],
10610 * so we need to offset by 1.
10611 */
10612 phy_idx = cb->args[0] - 1;
a4956dca
LC		 10613
10614 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10615 if (!rdev) {
10616 err = -ENOENT;
10617 goto out_err;
10618 }
71063f0e 10619 } else {
50508d94
JB		 10620 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10621 GFP_KERNEL);
10622 if (!attrbuf) {
10623 err = -ENOMEM;
10624 goto out_err;
10625 }
c90c39da 10626
8cb08174
JB		 10627 err = nlmsg_parse_deprecated(cb->nlh,
10628 GENL_HDRLEN + nl80211_fam.hdrsize,
10629 attrbuf, nl80211_fam.maxattr,
10630 nl80211_policy, NULL);
71063f0e 10631 if (err)
5fe231e8 10632 goto out_err;
00918d33 10633
c90c39da 10634 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
2bd7e35d 10635 if (IS_ERR(rdev)) {
5fe231e8
JB		 10636 err = PTR_ERR(rdev);
10637 goto out_err;
00918d33 10638 }
2bd7e35d 10639 phy_idx = rdev->wiphy_idx;
2bd7e35d 10640
c90c39da
JB		 10641 if (attrbuf[NL80211_ATTR_TESTDATA])
10642 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
71063f0e
WYG		 10643 }
10644
10645 if (cb->args[1]) {
10646 data = nla_data((void *)cb->args[1]);
10647 data_len = nla_len((void *)cb->args[1]);
10648 }
10649
00918d33 10650 if (!rdev->ops->testmode_dump) {
71063f0e
WYG		 10651 err = -EOPNOTSUPP;
10652 goto out_err;
10653 }
10654
10655 while (1) {
15e47304 10656 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
71063f0e
WYG		 10657 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10658 NL80211_CMD_TESTMODE);
10659 struct nlattr *tmdata;
10660
cb35fba3
DC		 10661 if (!hdr)
10662 break;
10663
9360ffd1 10664 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
71063f0e
WYG		 10665 genlmsg_cancel(skb, hdr);
10666 break;
10667 }
10668
ae0be8de 10669 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
71063f0e
WYG		 10670 if (!tmdata) {
10671 genlmsg_cancel(skb, hdr);
10672 break;
10673 }
e35e4d28 10674 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
71063f0e
WYG		 10675 nla_nest_end(skb, tmdata);
10676
10677 if (err == -ENOBUFS || err == -ENOENT) {
10678 genlmsg_cancel(skb, hdr);
10679 break;
10680 } else if (err) {
10681 genlmsg_cancel(skb, hdr);
10682 goto out_err;
10683 }
10684
10685 genlmsg_end(skb, hdr);
10686 }
10687
10688 err = skb->len;
10689 /* see above */
10690 cb->args[0] = phy_idx + 1;
10691 out_err:
50508d94 10692 kfree(attrbuf);
5fe231e8 10693 rtnl_unlock();
71063f0e
WYG		 10694 return err;
10695}
aff89a9b
JB		 10696#endif
10697
b23aa676
SO		 10698static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10699{
4c476991
JB		 10700 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10701 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 10702 struct cfg80211_connect_params connect;
10703 struct wiphy *wiphy;
fffd0934 10704 struct cfg80211_cached_keys *connkeys = NULL;
942ba88b 10705 u32 freq = 0;
b23aa676
SO		 10706 int err;
10707
10708 memset(&connect, 0, sizeof(connect));
10709
b23aa676
SO		 10710 if (!info->attrs[NL80211_ATTR_SSID] ||
10711 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10712 return -EINVAL;
10713
10714 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10715 connect.auth_type =
10716 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 10717 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10718 NL80211_CMD_CONNECT))
b23aa676
SO		 10719 return -EINVAL;
10720 } else
10721 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10722
10723 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10724
3a00df57
AS		 10725 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10726 !wiphy_ext_feature_isset(&rdev->wiphy,
10727 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10728 return -EINVAL;
10729 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10730
c0692b8f 10731 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
3dc27d25 10732 NL80211_MAX_NR_CIPHER_SUITES);
b23aa676
SO		 10733 if (err)
10734 return err;
b23aa676 10735
074ac8df 10736 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10737 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10738 return -EOPNOTSUPP;
b23aa676 10739
79c97e97 10740 wiphy = &rdev->wiphy;
b23aa676 10741
4486ea98
BS		 10742 connect.bg_scan_period = -1;
10743 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10744 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10745 connect.bg_scan_period =
10746 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10747 }
10748
b23aa676
SO		 10749 if (info->attrs[NL80211_ATTR_MAC])
10750 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1df4a510
JM		 10751 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10752 connect.bssid_hint =
10753 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
b23aa676
SO		 10754 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10755 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10756
10757 if (info->attrs[NL80211_ATTR_IE]) {
10758 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10759 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10760 }
10761
cee00a95
JM		 10762 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10763 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
65026002
EG		 10764 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10765 !wiphy_ext_feature_isset(&rdev->wiphy,
10766 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10767 return -EOPNOTSUPP;
cee00a95
JM		 10768 } else {
10769 connect.mfp = NL80211_MFP_NO;
10770 }
10771
ba6fbacf
JM		 10772 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10773 connect.prev_bssid =
10774 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10775
942ba88b
TP		 10776 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
10777 freq = MHZ_TO_KHZ(nla_get_u32(
10778 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10779 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10780 freq +=
10781 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10782
10783 if (freq) {
10784 connect.channel = nl80211_get_valid_chan(wiphy, freq);
664834de 10785 if (!connect.channel)
1df4a510
JM		 10786 return -EINVAL;
10787 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
942ba88b
TP		 10788 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10789 freq = MHZ_TO_KHZ(freq);
10790 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
664834de 10791 if (!connect.channel_hint)
4c476991 10792 return -EINVAL;
b23aa676
SO		 10793 }
10794
2a38075c
AAL		 10795 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10796 connect.edmg.channels =
10797 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10798
10799 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10800 connect.edmg.bw_config =
10801 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10802 }
10803
fffd0934 10804 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
768075eb 10805 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
4c476991
JB		 10806 if (IS_ERR(connkeys))
10807 return PTR_ERR(connkeys);
fffd0934
JB		 10808 }
10809
7e7c8926
BG		 10810 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10811 connect.flags |= ASSOC_REQ_DISABLE_HT;
10812
10813 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10814 memcpy(&connect.ht_capa_mask,
10815 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10816 sizeof(connect.ht_capa_mask));
10817
10818 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
b4e4f47e 10819 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
453431a5 10820 kfree_sensitive(connkeys);
7e7c8926 10821 return -EINVAL;
b4e4f47e 10822 }
7e7c8926
BG		 10823 memcpy(&connect.ht_capa,
10824 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10825 sizeof(connect.ht_capa));
10826 }
10827
ee2aca34
JB		 10828 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10829 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10830
b6db0f89
BG		 10831 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10832 connect.flags |= ASSOC_REQ_DISABLE_HE;
10833
ee2aca34
JB		 10834 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10835 memcpy(&connect.vht_capa_mask,
10836 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10837 sizeof(connect.vht_capa_mask));
10838
10839 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10840 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
453431a5 10841 kfree_sensitive(connkeys);
ee2aca34
JB		 10842 return -EINVAL;
10843 }
10844 memcpy(&connect.vht_capa,
10845 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10846 sizeof(connect.vht_capa));
10847 }
10848
bab5ab7d 10849 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 10850 if (!((rdev->wiphy.features &
10851 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10852 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10853 !wiphy_ext_feature_isset(&rdev->wiphy,
10854 NL80211_EXT_FEATURE_RRM)) {
453431a5 10855 kfree_sensitive(connkeys);
bab5ab7d 10856 return -EINVAL;
707554b4 10857 }
bab5ab7d
AK		 10858 connect.flags |= ASSOC_REQ_USE_RRM;
10859 }
10860
34d50519 10861 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
57fbcce3 10862 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
453431a5 10863 kfree_sensitive(connkeys);
34d50519
LD		 10864 return -EOPNOTSUPP;
10865 }
10866
38de03d2
AS		 10867 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10868 /* bss selection makes no sense if bssid is set */
10869 if (connect.bssid) {
453431a5 10870 kfree_sensitive(connkeys);
38de03d2
AS		 10871 return -EINVAL;
10872 }
10873
10874 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10875 wiphy, &connect.bss_select);
10876 if (err) {
453431a5 10877 kfree_sensitive(connkeys);
38de03d2
AS		 10878 return err;
10879 }
10880 }
10881
a3caf744
VK		 10882 if (wiphy_ext_feature_isset(&rdev->wiphy,
10883 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10884 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10885 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10886 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10887 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10888 connect.fils_erp_username =
10889 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10890 connect.fils_erp_username_len =
10891 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10892 connect.fils_erp_realm =
10893 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10894 connect.fils_erp_realm_len =
10895 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10896 connect.fils_erp_next_seq_num =
10897 nla_get_u16(
10898 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10899 connect.fils_erp_rrk =
10900 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10901 connect.fils_erp_rrk_len =
10902 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10903 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10904 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10905 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10906 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
453431a5 10907 kfree_sensitive(connkeys);
a3caf744
VK		 10908 return -EINVAL;
10909 }
10910
40cbfa90
SD		 10911 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10912 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
453431a5 10913 kfree_sensitive(connkeys);
40cbfa90
SD		 10914 GENL_SET_ERR_MSG(info,
10915 "external auth requires connection ownership");
10916 return -EINVAL;
10917 }
10918 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10919 }
10920
83739b03 10921 wdev_lock(dev->ieee80211_ptr);
bd2522b1 10922
4ce2bd9c
JM		 10923 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10924 connect.prev_bssid);
fffd0934 10925 if (err)
453431a5 10926 kfree_sensitive(connkeys);
bd2522b1
AZ		 10927
10928 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10929 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10930 if (connect.bssid)
10931 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10932 connect.bssid, ETH_ALEN);
10933 else
3b1648f1 10934 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
bd2522b1
AZ		 10935 }
10936
10937 wdev_unlock(dev->ieee80211_ptr);
10938
b23aa676
SO		 10939 return err;
10940}
10941
088e8df8 10942static int nl80211_update_connect_params(struct sk_buff *skb,
10943 struct genl_info *info)
10944{
10945 struct cfg80211_connect_params connect = {};
10946 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10947 struct net_device *dev = info->user_ptr[1];
10948 struct wireless_dev *wdev = dev->ieee80211_ptr;
7f9a3e15
VK		 10949 bool fils_sk_offload;
10950 u32 auth_type;
088e8df8 10951 u32 changed = 0;
10952 int ret;
10953
10954 if (!rdev->ops->update_connect_params)
10955 return -EOPNOTSUPP;
10956
10957 if (info->attrs[NL80211_ATTR_IE]) {
088e8df8 10958 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10959 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10960 changed |= UPDATE_ASSOC_IES;
10961 }
10962
7f9a3e15
VK		 10963 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10964 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10965
10966 /*
10967 * when driver supports fils-sk offload all attributes must be
10968 * provided. So the else covers "fils-sk-not-all" and
10969 * "no-fils-sk-any".
10970 */
10971 if (fils_sk_offload &&
10972 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10973 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10974 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10975 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10976 connect.fils_erp_username =
10977 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10978 connect.fils_erp_username_len =
10979 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10980 connect.fils_erp_realm =
10981 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10982 connect.fils_erp_realm_len =
10983 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10984 connect.fils_erp_next_seq_num =
10985 nla_get_u16(
10986 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10987 connect.fils_erp_rrk =
10988 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10989 connect.fils_erp_rrk_len =
10990 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10991 changed |= UPDATE_FILS_ERP_INFO;
10992 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10993 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10994 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10995 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10996 return -EINVAL;
10997 }
10998
10999 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11000 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11001 if (!nl80211_valid_auth_type(rdev, auth_type,
11002 NL80211_CMD_CONNECT))
11003 return -EINVAL;
11004
11005 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
11006 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
11007 return -EINVAL;
11008
11009 connect.auth_type = auth_type;
11010 changed |= UPDATE_AUTH_TYPE;
11011 }
11012
088e8df8 11013 wdev_lock(dev->ieee80211_ptr);
11014 if (!wdev->current_bss)
11015 ret = -ENOLINK;
11016 else
11017 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
11018 wdev_unlock(dev->ieee80211_ptr);
11019
11020 return ret;
11021}
11022
b23aa676
SO		 11023static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11024{
4c476991
JB		 11025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11026 struct net_device *dev = info->user_ptr[1];
b23aa676 11027 u16 reason;
83739b03 11028 int ret;
b23aa676 11029
bad29297
AZ		 11030 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11031 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11032 return -EPERM;
11033
b23aa676
SO		 11034 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11035 reason = WLAN_REASON_DEAUTH_LEAVING;
11036 else
11037 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11038
11039 if (reason == 0)
11040 return -EINVAL;
11041
074ac8df 11042 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11043 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11044 return -EOPNOTSUPP;
b23aa676 11045
83739b03
JB		 11046 wdev_lock(dev->ieee80211_ptr);
11047 ret = cfg80211_disconnect(rdev, dev, reason, true);
11048 wdev_unlock(dev->ieee80211_ptr);
11049 return ret;
b23aa676
SO		 11050}
11051
463d0183
JB		 11052static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
11053{
4c476991 11054 struct cfg80211_registered_device *rdev = info->user_ptr[0];
463d0183
JB		 11055 struct net *net;
11056 int err;
463d0183 11057
4b681c82
VK		 11058 if (info->attrs[NL80211_ATTR_PID]) {
11059 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
11060
11061 net = get_net_ns_by_pid(pid);
11062 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
11063 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
463d0183 11064
4b681c82
VK		 11065 net = get_net_ns_by_fd(fd);
11066 } else {
11067 return -EINVAL;
11068 }
463d0183 11069
4c476991
JB		 11070 if (IS_ERR(net))
11071 return PTR_ERR(net);
463d0183
JB		 11072
11073 err = 0;
11074
11075 /* check if anything to do */
4c476991
JB		 11076 if (!net_eq(wiphy_net(&rdev->wiphy), net))
11077 err = cfg80211_switch_netns(rdev, net);
463d0183 11078
463d0183 11079 put_net(net);
463d0183
JB		 11080 return err;
11081}
11082
67fbb16b
SO		 11083static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
11084{
4c476991 11085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
67fbb16b
SO		 11086 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
11087 struct cfg80211_pmksa *pmksa) = NULL;
4c476991 11088 struct net_device *dev = info->user_ptr[1];
67fbb16b
SO		 11089 struct cfg80211_pmksa pmksa;
11090
11091 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
11092
67fbb16b
SO		 11093 if (!info->attrs[NL80211_ATTR_PMKID])
11094 return -EINVAL;
11095
67fbb16b 11096 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
a3caf744
VK		 11097
11098 if (info->attrs[NL80211_ATTR_MAC]) {
11099 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11100 } else if (info->attrs[NL80211_ATTR_SSID] &&
11101 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
11102 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
11103 info->attrs[NL80211_ATTR_PMK])) {
11104 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11105 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11106 pmksa.cache_id =
11107 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
11108 } else {
11109 return -EINVAL;
11110 }
11111 if (info->attrs[NL80211_ATTR_PMK]) {
11112 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
11113 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
11114 }
67fbb16b 11115
7fc82af8
VJ		 11116 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
11117 pmksa.pmk_lifetime =
11118 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
11119
11120 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
11121 pmksa.pmk_reauth_threshold =
11122 nla_get_u8(
11123 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
11124
074ac8df 11125 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6c900360
LD		 11126 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
11127 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
11128 wiphy_ext_feature_isset(&rdev->wiphy,
11129 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
4c476991 11130 return -EOPNOTSUPP;
67fbb16b
SO		 11131
11132 switch (info->genlhdr->cmd) {
11133 case NL80211_CMD_SET_PMKSA:
11134 rdev_ops = rdev->ops->set_pmksa;
11135 break;
11136 case NL80211_CMD_DEL_PMKSA:
11137 rdev_ops = rdev->ops->del_pmksa;
11138 break;
11139 default:
11140 WARN_ON(1);
11141 break;
11142 }
11143
4c476991
JB		 11144 if (!rdev_ops)
11145 return -EOPNOTSUPP;
67fbb16b 11146
4c476991 11147 return rdev_ops(&rdev->wiphy, dev, &pmksa);
67fbb16b
SO		 11148}
11149
11150static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
11151{
4c476991
JB		 11152 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11153 struct net_device *dev = info->user_ptr[1];
67fbb16b 11154
074ac8df 11155 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11156 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11157 return -EOPNOTSUPP;
67fbb16b 11158
4c476991
JB		 11159 if (!rdev->ops->flush_pmksa)
11160 return -EOPNOTSUPP;
67fbb16b 11161
e35e4d28 11162 return rdev_flush_pmksa(rdev, dev);
67fbb16b
SO		 11163}
11164
109086ce
AN		 11165static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
11166{
11167 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11168 struct net_device *dev = info->user_ptr[1];
11169 u8 action_code, dialog_token;
df942e7b 11170 u32 peer_capability = 0;
109086ce
AN		 11171 u16 status_code;
11172 u8 *peer;
31fa97c5 11173 bool initiator;
109086ce
AN		 11174
11175 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11176 !rdev->ops->tdls_mgmt)
11177 return -EOPNOTSUPP;
11178
11179 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
11180 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
11181 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
11182 !info->attrs[NL80211_ATTR_IE] ||
11183 !info->attrs[NL80211_ATTR_MAC])
11184 return -EINVAL;
11185
11186 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11187 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
11188 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
11189 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
31fa97c5 11190 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
df942e7b
SDU		 11191 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
11192 peer_capability =
11193 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
109086ce 11194
e35e4d28 11195 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
df942e7b 11196 dialog_token, status_code, peer_capability,
31fa97c5 11197 initiator,
e35e4d28
HG		 11198 nla_data(info->attrs[NL80211_ATTR_IE]),
11199 nla_len(info->attrs[NL80211_ATTR_IE]));
109086ce
AN		 11200}
11201
11202static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
11203{
11204 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11205 struct net_device *dev = info->user_ptr[1];
11206 enum nl80211_tdls_operation operation;
11207 u8 *peer;
11208
11209 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11210 !rdev->ops->tdls_oper)
11211 return -EOPNOTSUPP;
11212
11213 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
11214 !info->attrs[NL80211_ATTR_MAC])
11215 return -EINVAL;
11216
11217 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
11218 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11219
e35e4d28 11220 return rdev_tdls_oper(rdev, dev, peer, operation);
109086ce
AN		 11221}
11222
9588bbd5
JM		 11223static int nl80211_remain_on_channel(struct sk_buff *skb,
11224 struct genl_info *info)
11225{
4c476991 11226 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11227 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 11228 struct cfg80211_chan_def chandef;
34373d12 11229 const struct cfg80211_chan_def *compat_chandef;
9588bbd5
JM		 11230 struct sk_buff *msg;
11231 void *hdr;
11232 u64 cookie;
683b6d3b 11233 u32 duration;
9588bbd5
JM		 11234 int err;
11235
11236 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11237 !info->attrs[NL80211_ATTR_DURATION])
11238 return -EINVAL;
11239
11240 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11241
ebf348fc
JB		 11242 if (!rdev->ops->remain_on_channel ||
11243 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11244 return -EOPNOTSUPP;
11245
9588bbd5 11246 /*
ebf348fc
JB		 11247 * We should be on that channel for at least a minimum amount of
11248 * time (10ms) but no longer than the driver supports.
9588bbd5 11249 */
ebf348fc 11250 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
a293911d 11251 duration > rdev->wiphy.max_remain_on_channel_duration)
9588bbd5
JM		 11252 return -EINVAL;
11253
683b6d3b
JB		 11254 err = nl80211_parse_chandef(rdev, info, &chandef);
11255 if (err)
11256 return err;
9588bbd5 11257
34373d12
VT		 11258 wdev_lock(wdev);
11259 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11260 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11261 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11262 &chandef);
11263 if (compat_chandef != &chandef) {
11264 wdev_unlock(wdev);
11265 return -EBUSY;
11266 }
11267 }
11268 wdev_unlock(wdev);
11269
9588bbd5 11270 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 11271 if (!msg)
11272 return -ENOMEM;
9588bbd5 11273
15e47304 11274 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9588bbd5 11275 NL80211_CMD_REMAIN_ON_CHANNEL);
cb35fba3
DC		 11276 if (!hdr) {
11277 err = -ENOBUFS;
9588bbd5
JM		 11278 goto free_msg;
11279 }
11280
683b6d3b
JB		 11281 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11282 duration, &cookie);
9588bbd5
JM		 11283
11284 if (err)
11285 goto free_msg;
11286
2dad624e
ND		 11287 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11288 NL80211_ATTR_PAD))
9360ffd1 11289 goto nla_put_failure;
9588bbd5
JM		 11290
11291 genlmsg_end(msg, hdr);
4c476991
JB		 11292
11293 return genlmsg_reply(msg, info);
9588bbd5
JM		 11294
11295 nla_put_failure:
11296 err = -ENOBUFS;
11297 free_msg:
11298 nlmsg_free(msg);
9588bbd5
JM		 11299 return err;
11300}
11301
11302static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11303 struct genl_info *info)
11304{
4c476991 11305 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11306 struct wireless_dev *wdev = info->user_ptr[1];
9588bbd5 11307 u64 cookie;
9588bbd5
JM		 11308
11309 if (!info->attrs[NL80211_ATTR_COOKIE])
11310 return -EINVAL;
11311
4c476991
JB		 11312 if (!rdev->ops->cancel_remain_on_channel)
11313 return -EOPNOTSUPP;
9588bbd5 11314
9588bbd5
JM		 11315 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11316
e35e4d28 11317 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9588bbd5
JM		 11318}
11319
13ae75b1
JM		 11320static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11321 struct genl_info *info)
11322{
13ae75b1 11323 struct cfg80211_bitrate_mask mask;
a7c7fbff 11324 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 11325 struct net_device *dev = info->user_ptr[1];
a7c7fbff 11326 int err;
13ae75b1 11327
4c476991
JB		 11328 if (!rdev->ops->set_bitrate_mask)
11329 return -EOPNOTSUPP;
13ae75b1 11330
9a5f6488 11331 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
eb89a6a6 11332 NL80211_ATTR_TX_RATES, &mask,
857b34c4 11333 dev, true);
a7c7fbff
PK		 11334 if (err)
11335 return err;
13ae75b1 11336
e35e4d28 11337 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
13ae75b1
JM		 11338}
11339
2e161f78 11340static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 11341{
4c476991 11342 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11343 struct wireless_dev *wdev = info->user_ptr[1];
2e161f78 11344 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
026331c4
JM		 11345
11346 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11347 return -EINVAL;
11348
2e161f78
JB		 11349 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11350 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
026331c4 11351
71bbc994
JB		 11352 switch (wdev->iftype) {
11353 case NL80211_IFTYPE_STATION:
11354 case NL80211_IFTYPE_ADHOC:
11355 case NL80211_IFTYPE_P2P_CLIENT:
11356 case NL80211_IFTYPE_AP:
11357 case NL80211_IFTYPE_AP_VLAN:
11358 case NL80211_IFTYPE_MESH_POINT:
11359 case NL80211_IFTYPE_P2P_GO:
98104fde 11360 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 11361 break;
cb3b7d87 11362 case NL80211_IFTYPE_NAN:
71bbc994 11363 default:
4c476991 11364 return -EOPNOTSUPP;
71bbc994 11365 }
026331c4
JM		 11366
11367 /* not much point in registering if we can't reply */
4c476991
JB		 11368 if (!rdev->ops->mgmt_tx)
11369 return -EOPNOTSUPP;
026331c4 11370
9dba48a6
JB		 11371 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11372 !wiphy_ext_feature_isset(&rdev->wiphy,
11373 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11374 GENL_SET_ERR_MSG(info,
11375 "multicast RX registrations are not supported");
11376 return -EOPNOTSUPP;
11377 }
11378
15e47304 11379 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
ff74c51e
IP		 11380 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11381 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
9dba48a6 11382 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
ff74c51e 11383 info->extack);
026331c4
JM		 11384}
11385
2e161f78 11386static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 11387{
4c476991 11388 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11389 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 11390 struct cfg80211_chan_def chandef;
026331c4 11391 int err;
d64d373f 11392 void *hdr = NULL;
026331c4 11393 u64 cookie;
e247bd90 11394 struct sk_buff *msg = NULL;
b176e629
AO		 11395 struct cfg80211_mgmt_tx_params params = {
11396 .dont_wait_for_ack =
11397 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11398 };
026331c4 11399
683b6d3b 11400 if (!info->attrs[NL80211_ATTR_FRAME])
026331c4
JM		 11401 return -EINVAL;
11402
4c476991
JB		 11403 if (!rdev->ops->mgmt_tx)
11404 return -EOPNOTSUPP;
026331c4 11405
71bbc994 11406 switch (wdev->iftype) {
ea141b75
AQ		 11407 case NL80211_IFTYPE_P2P_DEVICE:
11408 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11409 return -EINVAL;
d7832c71 11410 break;
71bbc994
JB		 11411 case NL80211_IFTYPE_STATION:
11412 case NL80211_IFTYPE_ADHOC:
11413 case NL80211_IFTYPE_P2P_CLIENT:
11414 case NL80211_IFTYPE_AP:
11415 case NL80211_IFTYPE_AP_VLAN:
11416 case NL80211_IFTYPE_MESH_POINT:
11417 case NL80211_IFTYPE_P2P_GO:
11418 break;
cb3b7d87 11419 case NL80211_IFTYPE_NAN:
71bbc994 11420 default:
4c476991 11421 return -EOPNOTSUPP;
71bbc994 11422 }
026331c4 11423
f7ca38df 11424 if (info->attrs[NL80211_ATTR_DURATION]) {
7c4ef712 11425 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
f7ca38df 11426 return -EINVAL;
b176e629 11427 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
ebf348fc
JB		 11428
11429 /*
11430 * We should wait on the channel for at least a minimum amount
11431 * of time (10ms) but no longer than the driver supports.
11432 */
b176e629
AO		 11433 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11434 params.wait > rdev->wiphy.max_remain_on_channel_duration)
ebf348fc 11435 return -EINVAL;
f7ca38df
JB		 11436 }
11437
b176e629 11438 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
f7ca38df 11439
b176e629 11440 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7c4ef712
JB		 11441 return -EINVAL;
11442
b176e629 11443 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
e9f935e3 11444
ea141b75
AQ		 11445 /* get the channel if any has been specified, otherwise pass NULL to
11446 * the driver. The latter will use the current one
11447 */
11448 chandef.chan = NULL;
11449 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11450 err = nl80211_parse_chandef(rdev, info, &chandef);
11451 if (err)
11452 return err;
11453 }
11454
b176e629 11455 if (!chandef.chan && params.offchan)
ea141b75 11456 return -EINVAL;
026331c4 11457
34373d12
VT		 11458 wdev_lock(wdev);
11459 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11460 wdev_unlock(wdev);
11461 return -EBUSY;
11462 }
11463 wdev_unlock(wdev);
11464
34d22ce2
AO		 11465 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11466 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11467
11468 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11469 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11470 int i;
11471
11472 if (len % sizeof(u16))
11473 return -EINVAL;
11474
11475 params.n_csa_offsets = len / sizeof(u16);
11476 params.csa_offsets =
11477 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11478
11479 /* check that all the offsets fit the frame */
11480 for (i = 0; i < params.n_csa_offsets; i++) {
11481 if (params.csa_offsets[i] >= params.len)
11482 return -EINVAL;
11483 }
11484 }
11485
b176e629 11486 if (!params.dont_wait_for_ack) {
e247bd90
JB		 11487 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11488 if (!msg)
11489 return -ENOMEM;
026331c4 11490
15e47304 11491 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
e247bd90 11492 NL80211_CMD_FRAME);
cb35fba3
DC		 11493 if (!hdr) {
11494 err = -ENOBUFS;
e247bd90
JB		 11495 goto free_msg;
11496 }
026331c4 11497 }
e247bd90 11498
b176e629
AO		 11499 params.chan = chandef.chan;
11500 err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
026331c4
JM		 11501 if (err)
11502 goto free_msg;
11503
e247bd90 11504 if (msg) {
2dad624e
ND		 11505 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11506 NL80211_ATTR_PAD))
9360ffd1 11507 goto nla_put_failure;
026331c4 11508
e247bd90
JB		 11509 genlmsg_end(msg, hdr);
11510 return genlmsg_reply(msg, info);
11511 }
11512
11513 return 0;
026331c4
JM		 11514
11515 nla_put_failure:
11516 err = -ENOBUFS;
11517 free_msg:
11518 nlmsg_free(msg);
026331c4
JM		 11519 return err;
11520}
11521
f7ca38df
JB		 11522static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11523{
11524 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11525 struct wireless_dev *wdev = info->user_ptr[1];
f7ca38df
JB		 11526 u64 cookie;
11527
11528 if (!info->attrs[NL80211_ATTR_COOKIE])
11529 return -EINVAL;
11530
11531 if (!rdev->ops->mgmt_tx_cancel_wait)
11532 return -EOPNOTSUPP;
11533
71bbc994
JB		 11534 switch (wdev->iftype) {
11535 case NL80211_IFTYPE_STATION:
11536 case NL80211_IFTYPE_ADHOC:
11537 case NL80211_IFTYPE_P2P_CLIENT:
11538 case NL80211_IFTYPE_AP:
11539 case NL80211_IFTYPE_AP_VLAN:
11540 case NL80211_IFTYPE_P2P_GO:
98104fde 11541 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 11542 break;
cb3b7d87 11543 case NL80211_IFTYPE_NAN:
71bbc994 11544 default:
f7ca38df 11545 return -EOPNOTSUPP;
71bbc994 11546 }
f7ca38df
JB		 11547
11548 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11549
e35e4d28 11550 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
f7ca38df
JB		 11551}
11552
ffb9eb3d
KV		 11553static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11554{
4c476991 11555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d 11556 struct wireless_dev *wdev;
4c476991 11557 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 11558 u8 ps_state;
11559 bool state;
11560 int err;
11561
4c476991
JB		 11562 if (!info->attrs[NL80211_ATTR_PS_STATE])
11563 return -EINVAL;
ffb9eb3d
KV		 11564
11565 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11566
ffb9eb3d
KV		 11567 wdev = dev->ieee80211_ptr;
11568
4c476991
JB		 11569 if (!rdev->ops->set_power_mgmt)
11570 return -EOPNOTSUPP;
ffb9eb3d
KV		 11571
11572 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11573
11574 if (state == wdev->ps)
4c476991 11575 return 0;
ffb9eb3d 11576
e35e4d28 11577 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
4c476991
JB		 11578 if (!err)
11579 wdev->ps = state;
ffb9eb3d
KV		 11580 return err;
11581}
11582
11583static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11584{
4c476991 11585 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d
KV		 11586 enum nl80211_ps_state ps_state;
11587 struct wireless_dev *wdev;
4c476991 11588 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 11589 struct sk_buff *msg;
11590 void *hdr;
11591 int err;
11592
ffb9eb3d
KV		 11593 wdev = dev->ieee80211_ptr;
11594
4c476991
JB		 11595 if (!rdev->ops->set_power_mgmt)
11596 return -EOPNOTSUPP;
ffb9eb3d
KV		 11597
11598 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 11599 if (!msg)
11600 return -ENOMEM;
ffb9eb3d 11601
15e47304 11602 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ffb9eb3d
KV		 11603 NL80211_CMD_GET_POWER_SAVE);
11604 if (!hdr) {
4c476991 11605 err = -ENOBUFS;
ffb9eb3d
KV		 11606 goto free_msg;
11607 }
11608
11609 if (wdev->ps)
11610 ps_state = NL80211_PS_ENABLED;
11611 else
11612 ps_state = NL80211_PS_DISABLED;
11613
9360ffd1
DM		 11614 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11615 goto nla_put_failure;
ffb9eb3d
KV		 11616
11617 genlmsg_end(msg, hdr);
4c476991 11618 return genlmsg_reply(msg, info);
ffb9eb3d 11619
4c476991 11620 nla_put_failure:
ffb9eb3d 11621 err = -ENOBUFS;
4c476991 11622 free_msg:
ffb9eb3d 11623 nlmsg_free(msg);
ffb9eb3d
KV		 11624 return err;
11625}
11626
94e860f1
JB		 11627static const struct nla_policy
11628nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
4a4b8169 11629 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
d6dc1a38
JO		 11630 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11631 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
84f10708
TP		 11632 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11633 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11634 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
bee427b8 11635 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
d6dc1a38
JO		 11636};
11637
84f10708 11638static int nl80211_set_cqm_txe(struct genl_info *info,
d9d8b019 11639 u32 rate, u32 pkts, u32 intvl)
84f10708
TP		 11640{
11641 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84f10708 11642 struct net_device *dev = info->user_ptr[1];
1da5fcc8 11643 struct wireless_dev *wdev = dev->ieee80211_ptr;
84f10708 11644
d9d8b019 11645 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
84f10708
TP		 11646 return -EINVAL;
11647
84f10708
TP		 11648 if (!rdev->ops->set_cqm_txe_config)
11649 return -EOPNOTSUPP;
11650
11651 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11652 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11653 return -EOPNOTSUPP;
11654
e35e4d28 11655 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
84f10708
TP		 11656}
11657
4a4b8169
AZ		 11658static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11659 struct net_device *dev)
11660{
11661 struct wireless_dev *wdev = dev->ieee80211_ptr;
11662 s32 last, low, high;
11663 u32 hyst;
1222a160 11664 int i, n, low_index;
4a4b8169
AZ		 11665 int err;
11666
11667 /* RSSI reporting disabled? */
11668 if (!wdev->cqm_config)
11669 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11670
11671 /*
11672 * Obtain current RSSI value if possible, if not and no RSSI threshold
11673 * event has been received yet, we should receive an event after a
11674 * connection is established and enough beacons received to calculate
11675 * the average.
11676 */
11677 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11678 rdev->ops->get_station) {
73887fd9 11679 struct station_info sinfo = {};
4a4b8169
AZ		 11680 u8 *mac_addr;
11681
11682 mac_addr = wdev->current_bss->pub.bssid;
11683
73887fd9
JB		 11684 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11685 if (err)
4a4b8169
AZ		 11686 return err;
11687
df16737d 11688 cfg80211_sinfo_release_content(&sinfo);
397c657a 11689 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
4a4b8169 11690 wdev->cqm_config->last_rssi_event_value =
73887fd9 11691 (s8) sinfo.rx_beacon_signal_avg;
4a4b8169
AZ		 11692 }
11693
11694 last = wdev->cqm_config->last_rssi_event_value;
11695 hyst = wdev->cqm_config->rssi_hyst;
11696 n = wdev->cqm_config->n_rssi_thresholds;
11697
4b2c5a14
MH		 11698 for (i = 0; i < n; i++) {
11699 i = array_index_nospec(i, n);
4a4b8169
AZ		 11700 if (last < wdev->cqm_config->rssi_thresholds[i])
11701 break;
4b2c5a14 11702 }
4a4b8169 11703
1222a160
MH		 11704 low_index = i - 1;
11705 if (low_index >= 0) {
11706 low_index = array_index_nospec(low_index, n);
11707 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11708 } else {
11709 low = S32_MIN;
11710 }
11711 if (i < n) {
11712 i = array_index_nospec(i, n);
11713 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11714 } else {
11715 high = S32_MAX;
11716 }
4a4b8169
AZ		 11717
11718 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11719}
11720
d6dc1a38 11721static int nl80211_set_cqm_rssi(struct genl_info *info,
4a4b8169
AZ		 11722 const s32 *thresholds, int n_thresholds,
11723 u32 hysteresis)
d6dc1a38 11724{
4c476991 11725 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 11726 struct net_device *dev = info->user_ptr[1];
1da5fcc8 11727 struct wireless_dev *wdev = dev->ieee80211_ptr;
4a4b8169
AZ		 11728 int i, err;
11729 s32 prev = S32_MIN;
d6dc1a38 11730
4a4b8169
AZ		 11731 /* Check all values negative and sorted */
11732 for (i = 0; i < n_thresholds; i++) {
11733 if (thresholds[i] > 0 || thresholds[i] <= prev)
11734 return -EINVAL;
d6dc1a38 11735
4a4b8169
AZ		 11736 prev = thresholds[i];
11737 }
d6dc1a38 11738
074ac8df 11739 if (wdev->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11740 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11741 return -EOPNOTSUPP;
d6dc1a38 11742
4a4b8169
AZ		 11743 wdev_lock(wdev);
11744 cfg80211_cqm_config_free(wdev);
11745 wdev_unlock(wdev);
11746
11747 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11748 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11749 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11750
11751 return rdev_set_cqm_rssi_config(rdev, dev,
11752 thresholds[0], hysteresis);
11753 }
11754
11755 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11756 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11757 return -EOPNOTSUPP;
11758
11759 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11760 n_thresholds = 0;
11761
11762 wdev_lock(wdev);
11763 if (n_thresholds) {
11764 struct cfg80211_cqm_config *cqm_config;
11765
11766 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11767 n_thresholds * sizeof(s32), GFP_KERNEL);
11768 if (!cqm_config) {
11769 err = -ENOMEM;
11770 goto unlock;
11771 }
11772
11773 cqm_config->rssi_hyst = hysteresis;
11774 cqm_config->n_rssi_thresholds = n_thresholds;
11775 memcpy(cqm_config->rssi_thresholds, thresholds,
11776 n_thresholds * sizeof(s32));
11777
11778 wdev->cqm_config = cqm_config;
11779 }
11780
11781 err = cfg80211_cqm_rssi_update(rdev, dev);
11782
11783unlock:
11784 wdev_unlock(wdev);
11785
11786 return err;
d6dc1a38
JO		 11787}
11788
11789static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11790{
11791 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11792 struct nlattr *cqm;
11793 int err;
11794
11795 cqm = info->attrs[NL80211_ATTR_CQM];
1da5fcc8
JB		 11796 if (!cqm)
11797 return -EINVAL;
d6dc1a38 11798
8cb08174
JB		 11799 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11800 nl80211_attr_cqm_policy,
11801 info->extack);
d6dc1a38 11802 if (err)
1da5fcc8 11803 return err;
d6dc1a38
JO		 11804
11805 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11806 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
4a4b8169
AZ		 11807 const s32 *thresholds =
11808 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11809 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
1da5fcc8 11810 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
d6dc1a38 11811
4a4b8169
AZ		 11812 if (len % 4)
11813 return -EINVAL;
11814
11815 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11816 hysteresis);
1da5fcc8
JB		 11817 }
11818
11819 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11820 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11821 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11822 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11823 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11824 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11825
11826 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11827 }
11828
11829 return -EINVAL;
d6dc1a38
JO		 11830}
11831
6e0bd6c3
RL		 11832static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11833{
11834 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11835 struct net_device *dev = info->user_ptr[1];
11836 struct ocb_setup setup = {};
11837 int err;
11838
11839 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11840 if (err)
11841 return err;
11842
11843 return cfg80211_join_ocb(rdev, dev, &setup);
11844}
11845
11846static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11847{
11848 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11849 struct net_device *dev = info->user_ptr[1];
11850
11851 return cfg80211_leave_ocb(rdev, dev);
11852}
11853
29cbe68c
JB		 11854static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11855{
11856 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11857 struct net_device *dev = info->user_ptr[1];
11858 struct mesh_config cfg;
c80d545d 11859 struct mesh_setup setup;
29cbe68c
JB		 11860 int err;
11861
11862 /* start with default */
11863 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
c80d545d 11864 memcpy(&setup, &default_mesh_setup, sizeof(setup));
29cbe68c 11865
24bdd9f4 11866 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
29cbe68c 11867 /* and parse parameters if given */
24bdd9f4 11868 err = nl80211_parse_mesh_config(info, &cfg, NULL);
29cbe68c
JB		 11869 if (err)
11870 return err;
11871 }
11872
11873 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11874 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11875 return -EINVAL;
11876
c80d545d
JC		 11877 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11878 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11879
4bb62344
CYY		 11880 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11881 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11882 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11883 return -EINVAL;
11884
9bdbf04d
MP		 11885 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11886 setup.beacon_interval =
11887 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 11888
0c317a02
PK		 11889 err = cfg80211_validate_beacon_int(rdev,
11890 NL80211_IFTYPE_MESH_POINT,
11891 setup.beacon_interval);
12d20fc9
PK		 11892 if (err)
11893 return err;
9bdbf04d
MP		 11894 }
11895
11896 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11897 setup.dtim_period =
11898 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11899 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11900 return -EINVAL;
11901 }
11902
c80d545d
JC		 11903 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11904 /* parse additional setup parameters if given */
11905 err = nl80211_parse_mesh_setup(info, &setup);
11906 if (err)
11907 return err;
11908 }
11909
d37bb18a
TP		 11910 if (setup.user_mpm)
11911 cfg.auto_open_plinks = false;
11912
cc1d2806 11913 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 11914 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11915 if (err)
11916 return err;
cc1d2806 11917 } else {
188c1b3c 11918 /* __cfg80211_join_mesh() will sort it out */
683b6d3b 11919 setup.chandef.chan = NULL;
cc1d2806
JB		 11920 }
11921
ffb3cf30
AN		 11922 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11923 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11924 int n_rates =
11925 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11926 struct ieee80211_supported_band *sband;
11927
11928 if (!setup.chandef.chan)
11929 return -EINVAL;
11930
11931 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11932
11933 err = ieee80211_get_ratemask(sband, rates, n_rates,
11934 &setup.basic_rates);
11935 if (err)
11936 return err;
11937 }
11938
8564e382 11939 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488
TC		 11940 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11941 NL80211_ATTR_TX_RATES,
eb89a6a6 11942 &setup.beacon_rate,
857b34c4 11943 dev, false);
8564e382
JB		 11944 if (err)
11945 return err;
11946
265698d7
JB		 11947 if (!setup.chandef.chan)
11948 return -EINVAL;
11949
8564e382
JB		 11950 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11951 &setup.beacon_rate);
11952 if (err)
11953 return err;
11954 }
11955
d37d49c2
BB		 11956 setup.userspace_handles_dfs =
11957 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11958
1224f583
DK		 11959 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11960 int r = validate_pae_over_nl80211(rdev, info);
11961
11962 if (r < 0)
11963 return r;
11964
11965 setup.control_port_over_nl80211 = true;
11966 }
11967
188c1b3c
DK		 11968 wdev_lock(dev->ieee80211_ptr);
11969 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11970 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11971 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11972 wdev_unlock(dev->ieee80211_ptr);
11973
11974 return err;
29cbe68c
JB		 11975}
11976
11977static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11978{
11979 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11980 struct net_device *dev = info->user_ptr[1];
11981
11982 return cfg80211_leave_mesh(rdev, dev);
11983}
11984
dfb89c56 11985#ifdef CONFIG_PM
bb92d199
AK		 11986static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11987 struct cfg80211_registered_device *rdev)
11988{
6abb9cb9 11989 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
bb92d199
AK		 11990 struct nlattr *nl_pats, *nl_pat;
11991 int i, pat_len;
11992
6abb9cb9 11993 if (!wowlan->n_patterns)
bb92d199
AK		 11994 return 0;
11995
ae0be8de 11996 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
bb92d199
AK		 11997 if (!nl_pats)
11998 return -ENOBUFS;
11999
6abb9cb9 12000 for (i = 0; i < wowlan->n_patterns; i++) {
ae0be8de 12001 nl_pat = nla_nest_start_noflag(msg, i + 1);
bb92d199
AK		 12002 if (!nl_pat)
12003 return -ENOBUFS;
6abb9cb9 12004 pat_len = wowlan->patterns[i].pattern_len;
50ac6607 12005 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
6abb9cb9 12006 wowlan->patterns[i].mask) ||
50ac6607
AK		 12007 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12008 wowlan->patterns[i].pattern) ||
12009 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
6abb9cb9 12010 wowlan->patterns[i].pkt_offset))
bb92d199
AK		 12011 return -ENOBUFS;
12012 nla_nest_end(msg, nl_pat);
12013 }
12014 nla_nest_end(msg, nl_pats);
12015
12016 return 0;
12017}
12018
2a0e047e
JB		 12019static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
12020 struct cfg80211_wowlan_tcp *tcp)
12021{
12022 struct nlattr *nl_tcp;
12023
12024 if (!tcp)
12025 return 0;
12026
ae0be8de
MK		 12027 nl_tcp = nla_nest_start_noflag(msg,
12028 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
2a0e047e
JB		 12029 if (!nl_tcp)
12030 return -ENOBUFS;
12031
930345ea
JB		 12032 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
12033 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
2a0e047e
JB		 12034 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
12035 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
12036 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
12037 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
12038 tcp->payload_len, tcp->payload) ||
12039 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
12040 tcp->data_interval) ||
12041 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
12042 tcp->wake_len, tcp->wake_data) ||
12043 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
12044 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
12045 return -ENOBUFS;
12046
12047 if (tcp->payload_seq.len &&
12048 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
12049 sizeof(tcp->payload_seq), &tcp->payload_seq))
12050 return -ENOBUFS;
12051
12052 if (tcp->payload_tok.len &&
12053 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
12054 sizeof(tcp->payload_tok) + tcp->tokens_size,
12055 &tcp->payload_tok))
12056 return -ENOBUFS;
12057
e248ad30
JB		 12058 nla_nest_end(msg, nl_tcp);
12059
2a0e047e
JB		 12060 return 0;
12061}
12062
75453ccb
LC		 12063static int nl80211_send_wowlan_nd(struct sk_buff *msg,
12064 struct cfg80211_sched_scan_request *req)
12065{
3b06d277 12066 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
75453ccb
LC		 12067 int i;
12068
12069 if (!req)
12070 return 0;
12071
ae0be8de 12072 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
75453ccb
LC		 12073 if (!nd)
12074 return -ENOBUFS;
12075
3b06d277
AS		 12076 if (req->n_scan_plans == 1 &&
12077 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
12078 req->scan_plans[0].interval * 1000))
75453ccb
LC		 12079 return -ENOBUFS;
12080
21fea567
LC		 12081 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
12082 return -ENOBUFS;
12083
bf95ecdb 12084 if (req->relative_rssi_set) {
12085 struct nl80211_bss_select_rssi_adjust rssi_adjust;
12086
12087 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
12088 req->relative_rssi))
12089 return -ENOBUFS;
12090
12091 rssi_adjust.band = req->rssi_adjust.band;
12092 rssi_adjust.delta = req->rssi_adjust.delta;
12093 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
12094 sizeof(rssi_adjust), &rssi_adjust))
12095 return -ENOBUFS;
12096 }
12097
ae0be8de 12098 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
75453ccb
LC		 12099 if (!freqs)
12100 return -ENOBUFS;
12101
53b18980
JB		 12102 for (i = 0; i < req->n_channels; i++) {
12103 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
12104 return -ENOBUFS;
12105 }
75453ccb
LC		 12106
12107 nla_nest_end(msg, freqs);
12108
12109 if (req->n_match_sets) {
ae0be8de
MK		 12110 matches = nla_nest_start_noflag(msg,
12111 NL80211_ATTR_SCHED_SCAN_MATCH);
76e1fb4b
JB		 12112 if (!matches)
12113 return -ENOBUFS;
12114
75453ccb 12115 for (i = 0; i < req->n_match_sets; i++) {
ae0be8de 12116 match = nla_nest_start_noflag(msg, i);
76e1fb4b
JB		 12117 if (!match)
12118 return -ENOBUFS;
12119
53b18980
JB		 12120 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
12121 req->match_sets[i].ssid.ssid_len,
12122 req->match_sets[i].ssid.ssid))
12123 return -ENOBUFS;
75453ccb
LC		 12124 nla_nest_end(msg, match);
12125 }
12126 nla_nest_end(msg, matches);
12127 }
12128
ae0be8de 12129 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
3b06d277
AS		 12130 if (!scan_plans)
12131 return -ENOBUFS;
12132
12133 for (i = 0; i < req->n_scan_plans; i++) {
ae0be8de 12134 scan_plan = nla_nest_start_noflag(msg, i + 1);
76e1fb4b
JB		 12135 if (!scan_plan)
12136 return -ENOBUFS;
12137
67626964 12138 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
3b06d277
AS		 12139 req->scan_plans[i].interval) ||
12140 (req->scan_plans[i].iterations &&
12141 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
12142 req->scan_plans[i].iterations)))
12143 return -ENOBUFS;
12144 nla_nest_end(msg, scan_plan);
12145 }
12146 nla_nest_end(msg, scan_plans);
12147
75453ccb
LC		 12148 nla_nest_end(msg, nd);
12149
12150 return 0;
12151}
12152
ff1b6e69
JB		 12153static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
12154{
12155 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12156 struct sk_buff *msg;
12157 void *hdr;
2a0e047e 12158 u32 size = NLMSG_DEFAULT_SIZE;
ff1b6e69 12159
964dc9e2 12160 if (!rdev->wiphy.wowlan)
ff1b6e69
JB		 12161 return -EOPNOTSUPP;
12162
6abb9cb9 12163 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
2a0e047e 12164 /* adjust size to have room for all the data */
6abb9cb9
JB		 12165 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
12166 rdev->wiphy.wowlan_config->tcp->payload_len +
12167 rdev->wiphy.wowlan_config->tcp->wake_len +
12168 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
2a0e047e
JB		 12169 }
12170
12171 msg = nlmsg_new(size, GFP_KERNEL);
ff1b6e69
JB		 12172 if (!msg)
12173 return -ENOMEM;
12174
15e47304 12175 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ff1b6e69
JB		 12176 NL80211_CMD_GET_WOWLAN);
12177 if (!hdr)
12178 goto nla_put_failure;
12179
6abb9cb9 12180 if (rdev->wiphy.wowlan_config) {
ff1b6e69
JB		 12181 struct nlattr *nl_wowlan;
12182
ae0be8de
MK		 12183 nl_wowlan = nla_nest_start_noflag(msg,
12184 NL80211_ATTR_WOWLAN_TRIGGERS);
ff1b6e69
JB		 12185 if (!nl_wowlan)
12186 goto nla_put_failure;
12187
6abb9cb9 12188 if ((rdev->wiphy.wowlan_config->any &&
9360ffd1 12189 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6abb9cb9 12190 (rdev->wiphy.wowlan_config->disconnect &&
9360ffd1 12191 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6abb9cb9 12192 (rdev->wiphy.wowlan_config->magic_pkt &&
9360ffd1 12193 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6abb9cb9 12194 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9360ffd1 12195 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6abb9cb9 12196 (rdev->wiphy.wowlan_config->eap_identity_req &&
9360ffd1 12197 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6abb9cb9 12198 (rdev->wiphy.wowlan_config->four_way_handshake &&
9360ffd1 12199 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6abb9cb9 12200 (rdev->wiphy.wowlan_config->rfkill_release &&
9360ffd1
DM		 12201 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
12202 goto nla_put_failure;
2a0e047e 12203
bb92d199
AK		 12204 if (nl80211_send_wowlan_patterns(msg, rdev))
12205 goto nla_put_failure;
2a0e047e 12206
6abb9cb9
JB		 12207 if (nl80211_send_wowlan_tcp(msg,
12208 rdev->wiphy.wowlan_config->tcp))
2a0e047e 12209 goto nla_put_failure;
75453ccb
LC		 12210
12211 if (nl80211_send_wowlan_nd(
12212 msg,
12213 rdev->wiphy.wowlan_config->nd_config))
12214 goto nla_put_failure;
2a0e047e 12215
ff1b6e69
JB		 12216 nla_nest_end(msg, nl_wowlan);
12217 }
12218
12219 genlmsg_end(msg, hdr);
12220 return genlmsg_reply(msg, info);
12221
12222nla_put_failure:
12223 nlmsg_free(msg);
12224 return -ENOBUFS;
12225}
12226
2a0e047e
JB		 12227static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12228 struct nlattr *attr,
12229 struct cfg80211_wowlan *trig)
12230{
12231 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12232 struct cfg80211_wowlan_tcp *cfg;
12233 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12234 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12235 u32 size;
12236 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12237 int err, port;
12238
964dc9e2 12239 if (!rdev->wiphy.wowlan->tcp)
2a0e047e
JB		 12240 return -EINVAL;
12241
8cb08174
JB		 12242 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12243 nl80211_wowlan_tcp_policy, NULL);
2a0e047e
JB		 12244 if (err)
12245 return err;
12246
12247 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12248 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12249 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12250 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12251 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12252 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12253 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12254 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12255 return -EINVAL;
12256
12257 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
964dc9e2 12258 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
2a0e047e
JB		 12259 return -EINVAL;
12260
12261 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
964dc9e2 12262 rdev->wiphy.wowlan->tcp->data_interval_max ||
723d568a 12263 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
2a0e047e
JB		 12264 return -EINVAL;
12265
12266 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
964dc9e2 12267 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
2a0e047e
JB		 12268 return -EINVAL;
12269
12270 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12271 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12272 return -EINVAL;
12273
12274 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12275 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12276
12277 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12278 tokens_size = tokln - sizeof(*tok);
12279
12280 if (!tok->len || tokens_size % tok->len)
12281 return -EINVAL;
964dc9e2 12282 if (!rdev->wiphy.wowlan->tcp->tok)
2a0e047e 12283 return -EINVAL;
964dc9e2 12284 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
2a0e047e 12285 return -EINVAL;
964dc9e2 12286 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
2a0e047e 12287 return -EINVAL;
964dc9e2 12288 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
2a0e047e
JB		 12289 return -EINVAL;
12290 if (tok->offset + tok->len > data_size)
12291 return -EINVAL;
12292 }
12293
12294 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12295 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
964dc9e2 12296 if (!rdev->wiphy.wowlan->tcp->seq)
2a0e047e
JB		 12297 return -EINVAL;
12298 if (seq->len == 0 || seq->len > 4)
12299 return -EINVAL;
12300 if (seq->len + seq->offset > data_size)
12301 return -EINVAL;
12302 }
12303
12304 size = sizeof(*cfg);
12305 size += data_size;
12306 size += wake_size + wake_mask_size;
12307 size += tokens_size;
12308
12309 cfg = kzalloc(size, GFP_KERNEL);
12310 if (!cfg)
12311 return -ENOMEM;
67b61f6c
JB		 12312 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12313 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
2a0e047e
JB		 12314 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12315 ETH_ALEN);
12316 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12317 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12318 else
12319 port = 0;
12320#ifdef CONFIG_INET
12321 /* allocate a socket and port for it and use it */
12322 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12323 IPPROTO_TCP, &cfg->sock, 1);
12324 if (err) {
12325 kfree(cfg);
12326 return err;
12327 }
12328 if (inet_csk_get_port(cfg->sock->sk, port)) {
12329 sock_release(cfg->sock);
12330 kfree(cfg);
12331 return -EADDRINUSE;
12332 }
12333 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12334#else
12335 if (!port) {
12336 kfree(cfg);
12337 return -EINVAL;
12338 }
12339 cfg->src_port = port;
12340#endif
12341
12342 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12343 cfg->payload_len = data_size;
12344 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12345 memcpy((void *)cfg->payload,
12346 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12347 data_size);
12348 if (seq)
12349 cfg->payload_seq = *seq;
12350 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12351 cfg->wake_len = wake_size;
12352 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12353 memcpy((void *)cfg->wake_data,
12354 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12355 wake_size);
12356 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12357 data_size + wake_size;
12358 memcpy((void *)cfg->wake_mask,
12359 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12360 wake_mask_size);
12361 if (tok) {
12362 cfg->tokens_size = tokens_size;
12363 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12364 }
12365
12366 trig->tcp = cfg;
12367
12368 return 0;
12369}
12370
8cd4d456
LC		 12371static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12372 const struct wiphy_wowlan_support *wowlan,
12373 struct nlattr *attr,
12374 struct cfg80211_wowlan *trig)
12375{
12376 struct nlattr **tb;
12377 int err;
12378
6396bb22 12379 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
8cd4d456
LC		 12380 if (!tb)
12381 return -ENOMEM;
12382
12383 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12384 err = -EOPNOTSUPP;
12385 goto out;
12386 }
12387
8cb08174
JB		 12388 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12389 nl80211_policy, NULL);
8cd4d456
LC		 12390 if (err)
12391 goto out;
12392
aad1e812
AVS		 12393 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12394 wowlan->max_nd_match_sets);
8cd4d456
LC		 12395 err = PTR_ERR_OR_ZERO(trig->nd_config);
12396 if (err)
12397 trig->nd_config = NULL;
12398
12399out:
12400 kfree(tb);
12401 return err;
12402}
12403
ff1b6e69
JB		 12404static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12405{
12406 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12407 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
ff1b6e69 12408 struct cfg80211_wowlan new_triggers = {};
ae33bd81 12409 struct cfg80211_wowlan *ntrig;
964dc9e2 12410 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
ff1b6e69 12411 int err, i;
6abb9cb9 12412 bool prev_enabled = rdev->wiphy.wowlan_config;
98fc4386 12413 bool regular = false;
ff1b6e69 12414
964dc9e2 12415 if (!wowlan)
ff1b6e69
JB		 12416 return -EOPNOTSUPP;
12417
ae33bd81
JB		 12418 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12419 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 12420 rdev->wiphy.wowlan_config = NULL;
ae33bd81
JB		 12421 goto set_wakeup;
12422 }
ff1b6e69 12423
8cb08174
JB		 12424 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12425 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12426 nl80211_wowlan_policy, info->extack);
ff1b6e69
JB		 12427 if (err)
12428 return err;
12429
12430 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12431 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12432 return -EINVAL;
12433 new_triggers.any = true;
12434 }
12435
12436 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12437 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12438 return -EINVAL;
12439 new_triggers.disconnect = true;
98fc4386 12440 regular = true;
ff1b6e69
JB		 12441 }
12442
12443 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12444 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12445 return -EINVAL;
12446 new_triggers.magic_pkt = true;
98fc4386 12447 regular = true;
ff1b6e69
JB		 12448 }
12449
77dbbb13
JB		 12450 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12451 return -EINVAL;
12452
12453 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12454 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12455 return -EINVAL;
12456 new_triggers.gtk_rekey_failure = true;
98fc4386 12457 regular = true;
77dbbb13
JB		 12458 }
12459
12460 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12461 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12462 return -EINVAL;
12463 new_triggers.eap_identity_req = true;
98fc4386 12464 regular = true;
77dbbb13
JB		 12465 }
12466
12467 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12468 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12469 return -EINVAL;
12470 new_triggers.four_way_handshake = true;
98fc4386 12471 regular = true;
77dbbb13
JB		 12472 }
12473
12474 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12475 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12476 return -EINVAL;
12477 new_triggers.rfkill_release = true;
98fc4386 12478 regular = true;
77dbbb13
JB		 12479 }
12480
ff1b6e69
JB		 12481 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12482 struct nlattr *pat;
12483 int n_patterns = 0;
bb92d199 12484 int rem, pat_len, mask_len, pkt_offset;
50ac6607 12485 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
ff1b6e69 12486
98fc4386
JB		 12487 regular = true;
12488
ff1b6e69
JB		 12489 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12490 rem)
12491 n_patterns++;
12492 if (n_patterns > wowlan->n_patterns)
12493 return -EINVAL;
12494
12495 new_triggers.patterns = kcalloc(n_patterns,
12496 sizeof(new_triggers.patterns[0]),
12497 GFP_KERNEL);
12498 if (!new_triggers.patterns)
12499 return -ENOMEM;
12500
12501 new_triggers.n_patterns = n_patterns;
12502 i = 0;
12503
12504 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12505 rem) {
922bd80f
JB		 12506 u8 *mask_pat;
12507
8cb08174
JB		 12508 err = nla_parse_nested_deprecated(pat_tb,
12509 MAX_NL80211_PKTPAT,
12510 pat,
12511 nl80211_packet_pattern_policy,
12512 info->extack);
95bca62f
JB		 12513 if (err)
12514 goto error;
12515
ff1b6e69 12516 err = -EINVAL;
50ac6607
AK		 12517 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12518 !pat_tb[NL80211_PKTPAT_PATTERN])
ff1b6e69 12519 goto error;
50ac6607 12520 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
ff1b6e69 12521 mask_len = DIV_ROUND_UP(pat_len, 8);
50ac6607 12522 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
ff1b6e69
JB		 12523 goto error;
12524 if (pat_len > wowlan->pattern_max_len ||
12525 pat_len < wowlan->pattern_min_len)
12526 goto error;
12527
50ac6607 12528 if (!pat_tb[NL80211_PKTPAT_OFFSET])
bb92d199
AK		 12529 pkt_offset = 0;
12530 else
12531 pkt_offset = nla_get_u32(
50ac6607 12532 pat_tb[NL80211_PKTPAT_OFFSET]);
bb92d199
AK		 12533 if (pkt_offset > wowlan->max_pkt_offset)
12534 goto error;
12535 new_triggers.patterns[i].pkt_offset = pkt_offset;
12536
922bd80f
JB		 12537 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12538 if (!mask_pat) {
ff1b6e69
JB		 12539 err = -ENOMEM;
12540 goto error;
12541 }
922bd80f
JB		 12542 new_triggers.patterns[i].mask = mask_pat;
12543 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
ff1b6e69 12544 mask_len);
922bd80f
JB		 12545 mask_pat += mask_len;
12546 new_triggers.patterns[i].pattern = mask_pat;
ff1b6e69 12547 new_triggers.patterns[i].pattern_len = pat_len;
922bd80f 12548 memcpy(mask_pat,
50ac6607 12549 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
ff1b6e69
JB		 12550 pat_len);
12551 i++;
12552 }
12553 }
12554
2a0e047e 12555 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
98fc4386 12556 regular = true;
2a0e047e
JB		 12557 err = nl80211_parse_wowlan_tcp(
12558 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12559 &new_triggers);
12560 if (err)
12561 goto error;
12562 }
12563
8cd4d456 12564 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
98fc4386 12565 regular = true;
8cd4d456
LC		 12566 err = nl80211_parse_wowlan_nd(
12567 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12568 &new_triggers);
12569 if (err)
12570 goto error;
12571 }
12572
98fc4386
JB		 12573 /* The 'any' trigger means the device continues operating more or less
12574 * as in its normal operation mode and wakes up the host on most of the
12575 * normal interrupts (like packet RX, ...)
12576 * It therefore makes little sense to combine with the more constrained
12577 * wakeup trigger modes.
12578 */
12579 if (new_triggers.any && regular) {
12580 err = -EINVAL;
12581 goto error;
12582 }
12583
ae33bd81
JB		 12584 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12585 if (!ntrig) {
12586 err = -ENOMEM;
12587 goto error;
ff1b6e69 12588 }
ae33bd81 12589 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 12590 rdev->wiphy.wowlan_config = ntrig;
ff1b6e69 12591
ae33bd81 12592 set_wakeup:
6abb9cb9
JB		 12593 if (rdev->ops->set_wakeup &&
12594 prev_enabled != !!rdev->wiphy.wowlan_config)
12595 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
6d52563f 12596
ff1b6e69
JB		 12597 return 0;
12598 error:
12599 for (i = 0; i < new_triggers.n_patterns; i++)
12600 kfree(new_triggers.patterns[i].mask);
12601 kfree(new_triggers.patterns);
2a0e047e
JB		 12602 if (new_triggers.tcp && new_triggers.tcp->sock)
12603 sock_release(new_triggers.tcp->sock);
12604 kfree(new_triggers.tcp);
e5dbe070 12605 kfree(new_triggers.nd_config);
ff1b6e69
JB		 12606 return err;
12607}
dfb89c56 12608#endif
ff1b6e69 12609
be29b99a
AK		 12610static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12611 struct cfg80211_registered_device *rdev)
12612{
12613 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12614 int i, j, pat_len;
12615 struct cfg80211_coalesce_rules *rule;
12616
12617 if (!rdev->coalesce->n_rules)
12618 return 0;
12619
ae0be8de 12620 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
be29b99a
AK		 12621 if (!nl_rules)
12622 return -ENOBUFS;
12623
12624 for (i = 0; i < rdev->coalesce->n_rules; i++) {
ae0be8de 12625 nl_rule = nla_nest_start_noflag(msg, i + 1);
be29b99a
AK		 12626 if (!nl_rule)
12627 return -ENOBUFS;
12628
12629 rule = &rdev->coalesce->rules[i];
12630 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12631 rule->delay))
12632 return -ENOBUFS;
12633
12634 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12635 rule->condition))
12636 return -ENOBUFS;
12637
ae0be8de
MK		 12638 nl_pats = nla_nest_start_noflag(msg,
12639 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
be29b99a
AK		 12640 if (!nl_pats)
12641 return -ENOBUFS;
12642
12643 for (j = 0; j < rule->n_patterns; j++) {
ae0be8de 12644 nl_pat = nla_nest_start_noflag(msg, j + 1);
be29b99a
AK		 12645 if (!nl_pat)
12646 return -ENOBUFS;
12647 pat_len = rule->patterns[j].pattern_len;
12648 if (nla_put(msg, NL80211_PKTPAT_MASK,
12649 DIV_ROUND_UP(pat_len, 8),
12650 rule->patterns[j].mask) ||
12651 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12652 rule->patterns[j].pattern) ||
12653 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12654 rule->patterns[j].pkt_offset))
12655 return -ENOBUFS;
12656 nla_nest_end(msg, nl_pat);
12657 }
12658 nla_nest_end(msg, nl_pats);
12659 nla_nest_end(msg, nl_rule);
12660 }
12661 nla_nest_end(msg, nl_rules);
12662
12663 return 0;
12664}
12665
12666static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12667{
12668 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12669 struct sk_buff *msg;
12670 void *hdr;
12671
12672 if (!rdev->wiphy.coalesce)
12673 return -EOPNOTSUPP;
12674
12675 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12676 if (!msg)
12677 return -ENOMEM;
12678
12679 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12680 NL80211_CMD_GET_COALESCE);
12681 if (!hdr)
12682 goto nla_put_failure;
12683
12684 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12685 goto nla_put_failure;
12686
12687 genlmsg_end(msg, hdr);
12688 return genlmsg_reply(msg, info);
12689
12690nla_put_failure:
12691 nlmsg_free(msg);
12692 return -ENOBUFS;
12693}
12694
12695void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12696{
12697 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12698 int i, j;
12699 struct cfg80211_coalesce_rules *rule;
12700
12701 if (!coalesce)
12702 return;
12703
12704 for (i = 0; i < coalesce->n_rules; i++) {
12705 rule = &coalesce->rules[i];
12706 for (j = 0; j < rule->n_patterns; j++)
12707 kfree(rule->patterns[j].mask);
12708 kfree(rule->patterns);
12709 }
12710 kfree(coalesce->rules);
12711 kfree(coalesce);
12712 rdev->coalesce = NULL;
12713}
12714
12715static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12716 struct nlattr *rule,
12717 struct cfg80211_coalesce_rules *new_rule)
12718{
12719 int err, i;
12720 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12721 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12722 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12723 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12724
8cb08174
JB		 12725 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12726 rule, nl80211_coalesce_policy, NULL);
be29b99a
AK		 12727 if (err)
12728 return err;
12729
12730 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12731 new_rule->delay =
12732 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12733 if (new_rule->delay > coalesce->max_delay)
12734 return -EINVAL;
12735
12736 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12737 new_rule->condition =
12738 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
be29b99a
AK		 12739
12740 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12741 return -EINVAL;
12742
12743 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12744 rem)
12745 n_patterns++;
12746 if (n_patterns > coalesce->n_patterns)
12747 return -EINVAL;
12748
12749 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12750 GFP_KERNEL);
12751 if (!new_rule->patterns)
12752 return -ENOMEM;
12753
12754 new_rule->n_patterns = n_patterns;
12755 i = 0;
12756
12757 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12758 rem) {
922bd80f
JB		 12759 u8 *mask_pat;
12760
8cb08174
JB		 12761 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12762 pat,
12763 nl80211_packet_pattern_policy,
12764 NULL);
95bca62f
JB		 12765 if (err)
12766 return err;
12767
be29b99a
AK		 12768 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12769 !pat_tb[NL80211_PKTPAT_PATTERN])
12770 return -EINVAL;
12771 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12772 mask_len = DIV_ROUND_UP(pat_len, 8);
12773 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12774 return -EINVAL;
12775 if (pat_len > coalesce->pattern_max_len ||
12776 pat_len < coalesce->pattern_min_len)
12777 return -EINVAL;
12778
12779 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12780 pkt_offset = 0;
12781 else
12782 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12783 if (pkt_offset > coalesce->max_pkt_offset)
12784 return -EINVAL;
12785 new_rule->patterns[i].pkt_offset = pkt_offset;
12786
922bd80f
JB		 12787 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12788 if (!mask_pat)
be29b99a 12789 return -ENOMEM;
922bd80f
JB		 12790
12791 new_rule->patterns[i].mask = mask_pat;
12792 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12793 mask_len);
12794
12795 mask_pat += mask_len;
12796 new_rule->patterns[i].pattern = mask_pat;
be29b99a 12797 new_rule->patterns[i].pattern_len = pat_len;
922bd80f
JB		 12798 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12799 pat_len);
be29b99a
AK		 12800 i++;
12801 }
12802
12803 return 0;
12804}
12805
12806static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12807{
12808 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12809 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12810 struct cfg80211_coalesce new_coalesce = {};
12811 struct cfg80211_coalesce *n_coalesce;
12812 int err, rem_rule, n_rules = 0, i, j;
12813 struct nlattr *rule;
12814 struct cfg80211_coalesce_rules *tmp_rule;
12815
12816 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12817 return -EOPNOTSUPP;
12818
12819 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12820 cfg80211_rdev_free_coalesce(rdev);
a1056b1b 12821 rdev_set_coalesce(rdev, NULL);
be29b99a
AK		 12822 return 0;
12823 }
12824
12825 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12826 rem_rule)
12827 n_rules++;
12828 if (n_rules > coalesce->n_rules)
12829 return -EINVAL;
12830
12831 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12832 GFP_KERNEL);
12833 if (!new_coalesce.rules)
12834 return -ENOMEM;
12835
12836 new_coalesce.n_rules = n_rules;
12837 i = 0;
12838
12839 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12840 rem_rule) {
12841 err = nl80211_parse_coalesce_rule(rdev, rule,
12842 &new_coalesce.rules[i]);
12843 if (err)
12844 goto error;
12845
12846 i++;
12847 }
12848
a1056b1b 12849 err = rdev_set_coalesce(rdev, &new_coalesce);
be29b99a
AK		 12850 if (err)
12851 goto error;
12852
12853 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12854 if (!n_coalesce) {
12855 err = -ENOMEM;
12856 goto error;
12857 }
12858 cfg80211_rdev_free_coalesce(rdev);
12859 rdev->coalesce = n_coalesce;
12860
12861 return 0;
12862error:
12863 for (i = 0; i < new_coalesce.n_rules; i++) {
12864 tmp_rule = &new_coalesce.rules[i];
12865 for (j = 0; j < tmp_rule->n_patterns; j++)
12866 kfree(tmp_rule->patterns[j].mask);
12867 kfree(tmp_rule->patterns);
12868 }
12869 kfree(new_coalesce.rules);
12870
12871 return err;
12872}
12873
e5497d76
JB		 12874static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12875{
12876 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12877 struct net_device *dev = info->user_ptr[1];
12878 struct wireless_dev *wdev = dev->ieee80211_ptr;
12879 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
f495acd8 12880 struct cfg80211_gtk_rekey_data rekey_data = {};
e5497d76
JB		 12881 int err;
12882
12883 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12884 return -EINVAL;
12885
8cb08174
JB		 12886 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12887 info->attrs[NL80211_ATTR_REKEY_DATA],
12888 nl80211_rekey_policy, info->extack);
e5497d76
JB		 12889 if (err)
12890 return err;
12891
e785fa0a
VD		 12892 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12893 !tb[NL80211_REKEY_DATA_KCK])
12894 return -EINVAL;
093a48d2
NE		 12895 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
12896 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12897 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
e5497d76 12898 return -ERANGE;
093a48d2
NE		 12899 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
12900 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12901 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
e5497d76
JB		 12902 return -ERANGE;
12903
78f686ca
JB		 12904 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12905 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12906 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
093a48d2
NE		 12907 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
12908 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
12909 if (tb[NL80211_REKEY_DATA_AKM])
12910 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
e5497d76
JB		 12911
12912 wdev_lock(wdev);
12913 if (!wdev->current_bss) {
12914 err = -ENOTCONN;
12915 goto out;
12916 }
12917
12918 if (!rdev->ops->set_rekey_data) {
12919 err = -EOPNOTSUPP;
12920 goto out;
12921 }
12922
e35e4d28 12923 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
e5497d76
JB		 12924 out:
12925 wdev_unlock(wdev);
12926 return err;
12927}
12928
28946da7
JB		 12929static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12930 struct genl_info *info)
12931{
12932 struct net_device *dev = info->user_ptr[1];
12933 struct wireless_dev *wdev = dev->ieee80211_ptr;
12934
12935 if (wdev->iftype != NL80211_IFTYPE_AP &&
12936 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12937 return -EINVAL;
12938
15e47304 12939 if (wdev->ap_unexpected_nlportid)
28946da7
JB		 12940 return -EBUSY;
12941
15e47304 12942 wdev->ap_unexpected_nlportid = info->snd_portid;
28946da7
JB		 12943 return 0;
12944}
12945
7f6cf311
JB		 12946static int nl80211_probe_client(struct sk_buff *skb,
12947 struct genl_info *info)
12948{
12949 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12950 struct net_device *dev = info->user_ptr[1];
12951 struct wireless_dev *wdev = dev->ieee80211_ptr;
12952 struct sk_buff *msg;
12953 void *hdr;
12954 const u8 *addr;
12955 u64 cookie;
12956 int err;
12957
12958 if (wdev->iftype != NL80211_IFTYPE_AP &&
12959 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12960 return -EOPNOTSUPP;
12961
12962 if (!info->attrs[NL80211_ATTR_MAC])
12963 return -EINVAL;
12964
12965 if (!rdev->ops->probe_client)
12966 return -EOPNOTSUPP;
12967
12968 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12969 if (!msg)
12970 return -ENOMEM;
12971
15e47304 12972 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7f6cf311 12973 NL80211_CMD_PROBE_CLIENT);
cb35fba3
DC		 12974 if (!hdr) {
12975 err = -ENOBUFS;
7f6cf311
JB		 12976 goto free_msg;
12977 }
12978
12979 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12980
e35e4d28 12981 err = rdev_probe_client(rdev, dev, addr, &cookie);
7f6cf311
JB		 12982 if (err)
12983 goto free_msg;
12984
2dad624e
ND		 12985 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12986 NL80211_ATTR_PAD))
9360ffd1 12987 goto nla_put_failure;
7f6cf311
JB		 12988
12989 genlmsg_end(msg, hdr);
12990
12991 return genlmsg_reply(msg, info);
12992
12993 nla_put_failure:
12994 err = -ENOBUFS;
12995 free_msg:
12996 nlmsg_free(msg);
12997 return err;
12998}
12999
5e760230
JB		 13000static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
13001{
13002 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c73b5f
BG		 13003 struct cfg80211_beacon_registration *reg, *nreg;
13004 int rv;
5e760230
JB		 13005
13006 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
13007 return -EOPNOTSUPP;
13008
37c73b5f
BG		 13009 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
13010 if (!nreg)
13011 return -ENOMEM;
13012
13013 /* First, check if already registered. */
13014 spin_lock_bh(&rdev->beacon_registrations_lock);
13015 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
13016 if (reg->nlportid == info->snd_portid) {
13017 rv = -EALREADY;
13018 goto out_err;
13019 }
13020 }
13021 /* Add it to the list */
13022 nreg->nlportid = info->snd_portid;
13023 list_add(&nreg->list, &rdev->beacon_registrations);
5e760230 13024
37c73b5f 13025 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 13026
13027 return 0;
37c73b5f
BG		 13028out_err:
13029 spin_unlock_bh(&rdev->beacon_registrations_lock);
13030 kfree(nreg);
13031 return rv;
5e760230
JB		 13032}
13033
98104fde
JB		 13034static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
13035{
13036 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13037 struct wireless_dev *wdev = info->user_ptr[1];
13038 int err;
13039
13040 if (!rdev->ops->start_p2p_device)
13041 return -EOPNOTSUPP;
13042
13043 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13044 return -EOPNOTSUPP;
13045
73c7da3d 13046 if (wdev_running(wdev))
98104fde
JB		 13047 return 0;
13048
358ae888 13049 if (rfkill_blocked(rdev->wiphy.rfkill))
b6a55015 13050 return -ERFKILL;
98104fde 13051
eeb126e9 13052 err = rdev_start_p2p_device(rdev, wdev);
98104fde
JB		 13053 if (err)
13054 return err;
13055
73c7da3d 13056 wdev->is_running = true;
98104fde 13057 rdev->opencount++;
98104fde
JB		 13058
13059 return 0;
13060}
13061
13062static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
13063{
13064 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13065 struct wireless_dev *wdev = info->user_ptr[1];
13066
13067 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13068 return -EOPNOTSUPP;
13069
13070 if (!rdev->ops->stop_p2p_device)
13071 return -EOPNOTSUPP;
13072
f9f47529 13073 cfg80211_stop_p2p_device(rdev, wdev);
98104fde
JB		 13074
13075 return 0;
13076}
13077
cb3b7d87
AB		 13078static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
13079{
13080 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13081 struct wireless_dev *wdev = info->user_ptr[1];
13082 struct cfg80211_nan_conf conf = {};
13083 int err;
13084
13085 if (wdev->iftype != NL80211_IFTYPE_NAN)
13086 return -EOPNOTSUPP;
13087
eeb04a96 13088 if (wdev_running(wdev))
cb3b7d87
AB		 13089 return -EEXIST;
13090
358ae888 13091 if (rfkill_blocked(rdev->wiphy.rfkill))
cb3b7d87
AB		 13092 return -ERFKILL;
13093
13094 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
13095 return -EINVAL;
13096
cb3b7d87
AB		 13097 conf.master_pref =
13098 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
cb3b7d87 13099
8585989d
LC		 13100 if (info->attrs[NL80211_ATTR_BANDS]) {
13101 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13102
13103 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13104 return -EOPNOTSUPP;
13105
13106 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13107 return -EINVAL;
13108
13109 conf.bands = bands;
13110 }
cb3b7d87
AB		 13111
13112 err = rdev_start_nan(rdev, wdev, &conf);
13113 if (err)
13114 return err;
13115
73c7da3d 13116 wdev->is_running = true;
cb3b7d87
AB		 13117 rdev->opencount++;
13118
13119 return 0;
13120}
13121
13122static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
13123{
13124 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13125 struct wireless_dev *wdev = info->user_ptr[1];
13126
13127 if (wdev->iftype != NL80211_IFTYPE_NAN)
13128 return -EOPNOTSUPP;
13129
13130 cfg80211_stop_nan(rdev, wdev);
13131
13132 return 0;
13133}
13134
a442b761
AB		 13135static int validate_nan_filter(struct nlattr *filter_attr)
13136{
13137 struct nlattr *attr;
13138 int len = 0, n_entries = 0, rem;
13139
13140 nla_for_each_nested(attr, filter_attr, rem) {
13141 len += nla_len(attr);
13142 n_entries++;
13143 }
13144
13145 if (len >= U8_MAX)
13146 return -EINVAL;
13147
13148 return n_entries;
13149}
13150
13151static int handle_nan_filter(struct nlattr *attr_filter,
13152 struct cfg80211_nan_func *func,
13153 bool tx)
13154{
13155 struct nlattr *attr;
13156 int n_entries, rem, i;
13157 struct cfg80211_nan_func_filter *filter;
13158
13159 n_entries = validate_nan_filter(attr_filter);
13160 if (n_entries < 0)
13161 return n_entries;
13162
13163 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
13164
13165 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
13166 if (!filter)
13167 return -ENOMEM;
13168
13169 i = 0;
13170 nla_for_each_nested(attr, attr_filter, rem) {
b15ca182 13171 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
a442b761
AB		 13172 filter[i].len = nla_len(attr);
13173 i++;
13174 }
13175 if (tx) {
13176 func->num_tx_filters = n_entries;
13177 func->tx_filters = filter;
13178 } else {
13179 func->num_rx_filters = n_entries;
13180 func->rx_filters = filter;
13181 }
13182
13183 return 0;
13184}
13185
13186static int nl80211_nan_add_func(struct sk_buff *skb,
13187 struct genl_info *info)
13188{
13189 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13190 struct wireless_dev *wdev = info->user_ptr[1];
13191 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
13192 struct cfg80211_nan_func *func;
13193 struct sk_buff *msg = NULL;
13194 void *hdr = NULL;
13195 int err = 0;
13196
13197 if (wdev->iftype != NL80211_IFTYPE_NAN)
13198 return -EOPNOTSUPP;
13199
73c7da3d 13200 if (!wdev_running(wdev))
a442b761
AB		 13201 return -ENOTCONN;
13202
13203 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13204 return -EINVAL;
13205
8cb08174
JB		 13206 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13207 info->attrs[NL80211_ATTR_NAN_FUNC],
13208 nl80211_nan_func_policy,
13209 info->extack);
a442b761
AB		 13210 if (err)
13211 return err;
13212
13213 func = kzalloc(sizeof(*func), GFP_KERNEL);
13214 if (!func)
13215 return -ENOMEM;
13216
b60ad348 13217 func->cookie = cfg80211_assign_cookie(rdev);
a442b761 13218
cb9abd48 13219 if (!tb[NL80211_NAN_FUNC_TYPE]) {
a442b761
AB		 13220 err = -EINVAL;
13221 goto out;
13222 }
13223
13224
13225 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13226
13227 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13228 err = -EINVAL;
13229 goto out;
13230 }
13231
13232 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13233 sizeof(func->service_id));
13234
13235 func->close_range =
13236 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13237
13238 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13239 func->serv_spec_info_len =
13240 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13241 func->serv_spec_info =
13242 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13243 func->serv_spec_info_len,
13244 GFP_KERNEL);
13245 if (!func->serv_spec_info) {
13246 err = -ENOMEM;
13247 goto out;
13248 }
13249 }
13250
13251 if (tb[NL80211_NAN_FUNC_TTL])
13252 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13253
13254 switch (func->type) {
13255 case NL80211_NAN_FUNC_PUBLISH:
13256 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13257 err = -EINVAL;
13258 goto out;
13259 }
13260
13261 func->publish_type =
13262 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13263 func->publish_bcast =
13264 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13265
13266 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13267 func->publish_bcast) {
13268 err = -EINVAL;
13269 goto out;
13270 }
13271 break;
13272 case NL80211_NAN_FUNC_SUBSCRIBE:
13273 func->subscribe_active =
13274 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13275 break;
13276 case NL80211_NAN_FUNC_FOLLOW_UP:
13277 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
3ea15452
HC		 13278 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13279 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
a442b761
AB		 13280 err = -EINVAL;
13281 goto out;
13282 }
13283
13284 func->followup_id =
13285 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13286 func->followup_reqid =
13287 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13288 memcpy(func->followup_dest.addr,
13289 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13290 sizeof(func->followup_dest.addr));
13291 if (func->ttl) {
13292 err = -EINVAL;
13293 goto out;
13294 }
13295 break;
13296 default:
13297 err = -EINVAL;
13298 goto out;
13299 }
13300
13301 if (tb[NL80211_NAN_FUNC_SRF]) {
13302 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13303
8cb08174
JB		 13304 err = nla_parse_nested_deprecated(srf_tb,
13305 NL80211_NAN_SRF_ATTR_MAX,
13306 tb[NL80211_NAN_FUNC_SRF],
13307 nl80211_nan_srf_policy,
13308 info->extack);
a442b761
AB		 13309 if (err)
13310 goto out;
13311
13312 func->srf_include =
13313 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13314
13315 if (srf_tb[NL80211_NAN_SRF_BF]) {
13316 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13317 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13318 err = -EINVAL;
13319 goto out;
13320 }
13321
13322 func->srf_bf_len =
13323 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13324 func->srf_bf =
13325 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13326 func->srf_bf_len, GFP_KERNEL);
13327 if (!func->srf_bf) {
13328 err = -ENOMEM;
13329 goto out;
13330 }
13331
13332 func->srf_bf_idx =
13333 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13334 } else {
13335 struct nlattr *attr, *mac_attr =
13336 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13337 int n_entries, rem, i = 0;
13338
13339 if (!mac_attr) {
13340 err = -EINVAL;
13341 goto out;
13342 }
13343
13344 n_entries = validate_acl_mac_addrs(mac_attr);
13345 if (n_entries <= 0) {
13346 err = -EINVAL;
13347 goto out;
13348 }
13349
13350 func->srf_num_macs = n_entries;
13351 func->srf_macs =
6396bb22 13352 kcalloc(n_entries, sizeof(*func->srf_macs),
a442b761
AB		 13353 GFP_KERNEL);
13354 if (!func->srf_macs) {
13355 err = -ENOMEM;
13356 goto out;
13357 }
13358
13359 nla_for_each_nested(attr, mac_attr, rem)
13360 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13361 sizeof(*func->srf_macs));
13362 }
13363 }
13364
13365 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13366 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13367 func, true);
13368 if (err)
13369 goto out;
13370 }
13371
13372 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13373 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13374 func, false);
13375 if (err)
13376 goto out;
13377 }
13378
13379 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13380 if (!msg) {
13381 err = -ENOMEM;
13382 goto out;
13383 }
13384
13385 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13386 NL80211_CMD_ADD_NAN_FUNCTION);
13387 /* This can't really happen - we just allocated 4KB */
13388 if (WARN_ON(!hdr)) {
13389 err = -ENOMEM;
13390 goto out;
13391 }
13392
13393 err = rdev_add_nan_func(rdev, wdev, func);
13394out:
13395 if (err < 0) {
13396 cfg80211_free_nan_func(func);
13397 nlmsg_free(msg);
13398 return err;
13399 }
13400
13401 /* propagate the instance id and cookie to userspace */
13402 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13403 NL80211_ATTR_PAD))
13404 goto nla_put_failure;
13405
ae0be8de 13406 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
a442b761
AB		 13407 if (!func_attr)
13408 goto nla_put_failure;
13409
13410 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13411 func->instance_id))
13412 goto nla_put_failure;
13413
13414 nla_nest_end(msg, func_attr);
13415
13416 genlmsg_end(msg, hdr);
13417 return genlmsg_reply(msg, info);
13418
13419nla_put_failure:
13420 nlmsg_free(msg);
13421 return -ENOBUFS;
13422}
13423
13424static int nl80211_nan_del_func(struct sk_buff *skb,
13425 struct genl_info *info)
13426{
13427 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13428 struct wireless_dev *wdev = info->user_ptr[1];
13429 u64 cookie;
13430
13431 if (wdev->iftype != NL80211_IFTYPE_NAN)
13432 return -EOPNOTSUPP;
13433
73c7da3d 13434 if (!wdev_running(wdev))
a442b761
AB		 13435 return -ENOTCONN;
13436
13437 if (!info->attrs[NL80211_ATTR_COOKIE])
13438 return -EINVAL;
13439
a442b761
AB		 13440 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13441
13442 rdev_del_nan_func(rdev, wdev, cookie);
13443
13444 return 0;
13445}
13446
a5a9dcf2
AB		 13447static int nl80211_nan_change_config(struct sk_buff *skb,
13448 struct genl_info *info)
13449{
13450 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13451 struct wireless_dev *wdev = info->user_ptr[1];
13452 struct cfg80211_nan_conf conf = {};
13453 u32 changed = 0;
13454
13455 if (wdev->iftype != NL80211_IFTYPE_NAN)
13456 return -EOPNOTSUPP;
13457
73c7da3d 13458 if (!wdev_running(wdev))
a5a9dcf2
AB		 13459 return -ENOTCONN;
13460
13461 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13462 conf.master_pref =
13463 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13464 if (conf.master_pref <= 1 || conf.master_pref == 255)
13465 return -EINVAL;
13466
13467 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13468 }
13469
8585989d
LC		 13470 if (info->attrs[NL80211_ATTR_BANDS]) {
13471 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13472
13473 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13474 return -EOPNOTSUPP;
13475
13476 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13477 return -EINVAL;
13478
13479 conf.bands = bands;
13480 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
a5a9dcf2
AB		 13481 }
13482
13483 if (!changed)
13484 return -EINVAL;
13485
13486 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13487}
13488
50bcd31d
AB		 13489void cfg80211_nan_match(struct wireless_dev *wdev,
13490 struct cfg80211_nan_match_params *match, gfp_t gfp)
13491{
13492 struct wiphy *wiphy = wdev->wiphy;
13493 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13494 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13495 struct sk_buff *msg;
13496 void *hdr;
13497
13498 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13499 return;
13500
13501 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13502 if (!msg)
13503 return;
13504
13505 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13506 if (!hdr) {
13507 nlmsg_free(msg);
13508 return;
13509 }
13510
13511 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13512 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13513 wdev->netdev->ifindex)) ||
13514 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13515 NL80211_ATTR_PAD))
13516 goto nla_put_failure;
13517
13518 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13519 NL80211_ATTR_PAD) ||
13520 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13521 goto nla_put_failure;
13522
ae0be8de 13523 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
50bcd31d
AB		 13524 if (!match_attr)
13525 goto nla_put_failure;
13526
ae0be8de
MK		 13527 local_func_attr = nla_nest_start_noflag(msg,
13528 NL80211_NAN_MATCH_FUNC_LOCAL);
50bcd31d
AB		 13529 if (!local_func_attr)
13530 goto nla_put_failure;
13531
13532 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13533 goto nla_put_failure;
13534
13535 nla_nest_end(msg, local_func_attr);
13536
ae0be8de
MK		 13537 peer_func_attr = nla_nest_start_noflag(msg,
13538 NL80211_NAN_MATCH_FUNC_PEER);
50bcd31d
AB		 13539 if (!peer_func_attr)
13540 goto nla_put_failure;
13541
13542 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13543 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13544 goto nla_put_failure;
13545
13546 if (match->info && match->info_len &&
13547 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13548 match->info))
13549 goto nla_put_failure;
13550
13551 nla_nest_end(msg, peer_func_attr);
13552 nla_nest_end(msg, match_attr);
13553 genlmsg_end(msg, hdr);
13554
13555 if (!wdev->owner_nlportid)
13556 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13557 msg, 0, NL80211_MCGRP_NAN, gfp);
13558 else
13559 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13560 wdev->owner_nlportid);
13561
13562 return;
13563
13564nla_put_failure:
13565 nlmsg_free(msg);
13566}
13567EXPORT_SYMBOL(cfg80211_nan_match);
13568
368e5a7b
AB		 13569void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13570 u8 inst_id,
13571 enum nl80211_nan_func_term_reason reason,
13572 u64 cookie, gfp_t gfp)
13573{
13574 struct wiphy *wiphy = wdev->wiphy;
13575 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13576 struct sk_buff *msg;
13577 struct nlattr *func_attr;
13578 void *hdr;
13579
13580 if (WARN_ON(!inst_id))
13581 return;
13582
13583 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13584 if (!msg)
13585 return;
13586
13587 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13588 if (!hdr) {
13589 nlmsg_free(msg);
13590 return;
13591 }
13592
13593 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13594 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13595 wdev->netdev->ifindex)) ||
13596 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13597 NL80211_ATTR_PAD))
13598 goto nla_put_failure;
13599
13600 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13601 NL80211_ATTR_PAD))
13602 goto nla_put_failure;
13603
ae0be8de 13604 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
368e5a7b
AB		 13605 if (!func_attr)
13606 goto nla_put_failure;
13607
13608 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13609 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13610 goto nla_put_failure;
13611
13612 nla_nest_end(msg, func_attr);
13613 genlmsg_end(msg, hdr);
13614
13615 if (!wdev->owner_nlportid)
13616 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13617 msg, 0, NL80211_MCGRP_NAN, gfp);
13618 else
13619 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13620 wdev->owner_nlportid);
13621
13622 return;
13623
13624nla_put_failure:
13625 nlmsg_free(msg);
13626}
13627EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13628
3713b4e3
JB		 13629static int nl80211_get_protocol_features(struct sk_buff *skb,
13630 struct genl_info *info)
13631{
13632 void *hdr;
13633 struct sk_buff *msg;
13634
13635 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13636 if (!msg)
13637 return -ENOMEM;
13638
13639 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13640 NL80211_CMD_GET_PROTOCOL_FEATURES);
13641 if (!hdr)
13642 goto nla_put_failure;
13643
13644 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13645 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13646 goto nla_put_failure;
13647
13648 genlmsg_end(msg, hdr);
13649 return genlmsg_reply(msg, info);
13650
13651 nla_put_failure:
13652 kfree_skb(msg);
13653 return -ENOBUFS;
13654}
13655
355199e0
JM		 13656static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13657{
13658 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13659 struct cfg80211_update_ft_ies_params ft_params;
13660 struct net_device *dev = info->user_ptr[1];
13661
13662 if (!rdev->ops->update_ft_ies)
13663 return -EOPNOTSUPP;
13664
13665 if (!info->attrs[NL80211_ATTR_MDID] ||
3d7af878 13666 !info->attrs[NL80211_ATTR_IE])
355199e0
JM		 13667 return -EINVAL;
13668
13669 memset(&ft_params, 0, sizeof(ft_params));
13670 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13671 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13672 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13673
13674 return rdev_update_ft_ies(rdev, dev, &ft_params);
13675}
13676
5de17984
AS		 13677static int nl80211_crit_protocol_start(struct sk_buff *skb,
13678 struct genl_info *info)
13679{
13680 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13681 struct wireless_dev *wdev = info->user_ptr[1];
13682 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13683 u16 duration;
13684 int ret;
13685
13686 if (!rdev->ops->crit_proto_start)
13687 return -EOPNOTSUPP;
13688
13689 if (WARN_ON(!rdev->ops->crit_proto_stop))
13690 return -EINVAL;
13691
13692 if (rdev->crit_proto_nlportid)
13693 return -EBUSY;
13694
13695 /* determine protocol if provided */
13696 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13697 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13698
13699 if (proto >= NUM_NL80211_CRIT_PROTO)
13700 return -EINVAL;
13701
13702 /* timeout must be provided */
13703 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13704 return -EINVAL;
13705
13706 duration =
13707 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13708
5de17984
AS		 13709 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13710 if (!ret)
13711 rdev->crit_proto_nlportid = info->snd_portid;
13712
13713 return ret;
13714}
13715
13716static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13717 struct genl_info *info)
13718{
13719 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13720 struct wireless_dev *wdev = info->user_ptr[1];
13721
13722 if (!rdev->ops->crit_proto_stop)
13723 return -EOPNOTSUPP;
13724
13725 if (rdev->crit_proto_nlportid) {
13726 rdev->crit_proto_nlportid = 0;
13727 rdev_crit_proto_stop(rdev, wdev);
13728 }
13729 return 0;
13730}
13731
901bb989
JB		 13732static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13733 struct nlattr *attr,
13734 struct netlink_ext_ack *extack)
13735{
13736 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13737 if (attr->nla_type & NLA_F_NESTED) {
13738 NL_SET_ERR_MSG_ATTR(extack, attr,
13739 "unexpected nested data");
13740 return -EINVAL;
13741 }
13742
13743 return 0;
13744 }
13745
13746 if (!(attr->nla_type & NLA_F_NESTED)) {
13747 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13748 return -EINVAL;
13749 }
13750
32d5109a 13751 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
901bb989
JB		 13752}
13753
ad7e718c
JB		 13754static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13755{
13756 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13757 struct wireless_dev *wdev =
a05829a7
JB		 13758 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
13759 info->attrs);
ad7e718c
JB		 13760 int i, err;
13761 u32 vid, subcmd;
13762
13763 if (!rdev->wiphy.vendor_commands)
13764 return -EOPNOTSUPP;
13765
13766 if (IS_ERR(wdev)) {
13767 err = PTR_ERR(wdev);
13768 if (err != -EINVAL)
13769 return err;
13770 wdev = NULL;
13771 } else if (wdev->wiphy != &rdev->wiphy) {
13772 return -EINVAL;
13773 }
13774
13775 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13776 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13777 return -EINVAL;
13778
13779 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13780 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13781 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13782 const struct wiphy_vendor_command *vcmd;
13783 void *data = NULL;
13784 int len = 0;
13785
13786 vcmd = &rdev->wiphy.vendor_commands[i];
13787
13788 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13789 continue;
13790
13791 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13792 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13793 if (!wdev)
13794 return -EINVAL;
13795 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13796 !wdev->netdev)
13797 return -EINVAL;
13798
13799 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
73c7da3d 13800 if (!wdev_running(wdev))
ad7e718c
JB		 13801 return -ENETDOWN;
13802 }
13803 } else {
13804 wdev = NULL;
13805 }
13806
4052d3d2
JS		 13807 if (!vcmd->doit)
13808 return -EOPNOTSUPP;
13809
ad7e718c
JB		 13810 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13811 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13812 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 13813
13814 err = nl80211_vendor_check_policy(vcmd,
13815 info->attrs[NL80211_ATTR_VENDOR_DATA],
13816 info->extack);
13817 if (err)
13818 return err;
ad7e718c
JB		 13819 }
13820
13821 rdev->cur_cmd_info = info;
901bb989 13822 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
ad7e718c
JB		 13823 rdev->cur_cmd_info = NULL;
13824 return err;
13825 }
13826
13827 return -EOPNOTSUPP;
13828}
13829
7bdbe400
JB		 13830static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13831 struct netlink_callback *cb,
13832 struct cfg80211_registered_device **rdev,
13833 struct wireless_dev **wdev)
13834{
50508d94 13835 struct nlattr **attrbuf;
7bdbe400
JB		 13836 u32 vid, subcmd;
13837 unsigned int i;
13838 int vcmd_idx = -1;
13839 int err;
13840 void *data = NULL;
13841 unsigned int data_len = 0;
13842
7bdbe400
JB		 13843 if (cb->args[0]) {
13844 /* subtract the 1 again here */
13845 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13846 struct wireless_dev *tmp;
13847
ea90e0dc
JB		 13848 if (!wiphy)
13849 return -ENODEV;
7bdbe400
JB		 13850 *rdev = wiphy_to_rdev(wiphy);
13851 *wdev = NULL;
13852
13853 if (cb->args[1]) {
53873f13 13854 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
7bdbe400
JB		 13855 if (tmp->identifier == cb->args[1] - 1) {
13856 *wdev = tmp;
13857 break;
13858 }
13859 }
13860 }
13861
13862 /* keep rtnl locked in successful case */
13863 return 0;
13864 }
13865
50508d94
JB		 13866 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13867 if (!attrbuf)
13868 return -ENOMEM;
13869
8cb08174
JB		 13870 err = nlmsg_parse_deprecated(cb->nlh,
13871 GENL_HDRLEN + nl80211_fam.hdrsize,
13872 attrbuf, nl80211_fam.maxattr,
13873 nl80211_policy, NULL);
7bdbe400 13874 if (err)
50508d94 13875 goto out;
7bdbe400 13876
c90c39da 13877 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
50508d94
JB		 13878 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13879 err = -EINVAL;
13880 goto out;
13881 }
7bdbe400 13882
a05829a7 13883 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
7bdbe400
JB		 13884 if (IS_ERR(*wdev))
13885 *wdev = NULL;
13886
c90c39da 13887 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
50508d94
JB		 13888 if (IS_ERR(*rdev)) {
13889 err = PTR_ERR(*rdev);
13890 goto out;
13891 }
7bdbe400 13892
c90c39da
JB		 13893 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13894 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
7bdbe400
JB		 13895
13896 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13897 const struct wiphy_vendor_command *vcmd;
13898
13899 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13900
13901 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13902 continue;
13903
50508d94
JB		 13904 if (!vcmd->dumpit) {
13905 err = -EOPNOTSUPP;
13906 goto out;
13907 }
7bdbe400
JB		 13908
13909 vcmd_idx = i;
13910 break;
13911 }
13912
50508d94
JB		 13913 if (vcmd_idx < 0) {
13914 err = -EOPNOTSUPP;
13915 goto out;
13916 }
7bdbe400 13917
c90c39da
JB		 13918 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13919 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13920 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 13921
13922 err = nl80211_vendor_check_policy(
13923 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13924 attrbuf[NL80211_ATTR_VENDOR_DATA],
13925 cb->extack);
13926 if (err)
50508d94 13927 goto out;
7bdbe400
JB		 13928 }
13929
13930 /* 0 is the first index - add 1 to parse only once */
13931 cb->args[0] = (*rdev)->wiphy_idx + 1;
13932 /* add 1 to know if it was NULL */
13933 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13934 cb->args[2] = vcmd_idx;
13935 cb->args[3] = (unsigned long)data;
13936 cb->args[4] = data_len;
13937
13938 /* keep rtnl locked in successful case */
50508d94
JB		 13939 err = 0;
13940out:
13941 kfree(attrbuf);
13942 return err;
7bdbe400
JB		 13943}
13944
13945static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13946 struct netlink_callback *cb)
13947{
13948 struct cfg80211_registered_device *rdev;
13949 struct wireless_dev *wdev;
13950 unsigned int vcmd_idx;
13951 const struct wiphy_vendor_command *vcmd;
13952 void *data;
13953 int data_len;
13954 int err;
13955 struct nlattr *vendor_data;
13956
ea90e0dc 13957 rtnl_lock();
7bdbe400
JB		 13958 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13959 if (err)
ea90e0dc 13960 goto out;
7bdbe400
JB		 13961
13962 vcmd_idx = cb->args[2];
13963 data = (void *)cb->args[3];
13964 data_len = cb->args[4];
13965 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13966
13967 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13968 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
ea90e0dc
JB		 13969 if (!wdev) {
13970 err = -EINVAL;
13971 goto out;
13972 }
7bdbe400 13973 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
ea90e0dc
JB		 13974 !wdev->netdev) {
13975 err = -EINVAL;
13976 goto out;
13977 }
7bdbe400
JB		 13978
13979 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
ea90e0dc
JB		 13980 if (!wdev_running(wdev)) {
13981 err = -ENETDOWN;
13982 goto out;
13983 }
7bdbe400
JB		 13984 }
13985 }
13986
13987 while (1) {
13988 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13989 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13990 NL80211_CMD_VENDOR);
13991 if (!hdr)
13992 break;
13993
13994 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 13995 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13996 wdev_id(wdev),
13997 NL80211_ATTR_PAD))) {
7bdbe400
JB		 13998 genlmsg_cancel(skb, hdr);
13999 break;
14000 }
14001
ae0be8de
MK		 14002 vendor_data = nla_nest_start_noflag(skb,
14003 NL80211_ATTR_VENDOR_DATA);
7bdbe400
JB		 14004 if (!vendor_data) {
14005 genlmsg_cancel(skb, hdr);
14006 break;
14007 }
14008
14009 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
14010 (unsigned long *)&cb->args[5]);
14011 nla_nest_end(skb, vendor_data);
14012
14013 if (err == -ENOBUFS || err == -ENOENT) {
14014 genlmsg_cancel(skb, hdr);
14015 break;
9c167b2d 14016 } else if (err <= 0) {
7bdbe400
JB		 14017 genlmsg_cancel(skb, hdr);
14018 goto out;
14019 }
14020
14021 genlmsg_end(skb, hdr);
14022 }
14023
14024 err = skb->len;
14025 out:
14026 rtnl_unlock();
14027 return err;
14028}
14029
ad7e718c
JB		 14030struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
14031 enum nl80211_commands cmd,
14032 enum nl80211_attrs attr,
14033 int approxlen)
14034{
f26cbf40 14035 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ad7e718c
JB		 14036
14037 if (WARN_ON(!rdev->cur_cmd_info))
14038 return NULL;
14039
6c09e791 14040 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
ad7e718c
JB		 14041 rdev->cur_cmd_info->snd_portid,
14042 rdev->cur_cmd_info->snd_seq,
567ffc35 14043 cmd, attr, NULL, GFP_KERNEL);
ad7e718c
JB		 14044}
14045EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
14046
14047int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
14048{
14049 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
14050 void *hdr = ((void **)skb->cb)[1];
14051 struct nlattr *data = ((void **)skb->cb)[2];
14052
bd8c78e7
JB		 14053 /* clear CB data for netlink core to own from now on */
14054 memset(skb->cb, 0, sizeof(skb->cb));
14055
ad7e718c
JB		 14056 if (WARN_ON(!rdev->cur_cmd_info)) {
14057 kfree_skb(skb);
14058 return -EINVAL;
14059 }
14060
14061 nla_nest_end(skb, data);
14062 genlmsg_end(skb, hdr);
14063 return genlmsg_reply(skb, rdev->cur_cmd_info);
14064}
14065EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
14066
55c1fdf0
JB		 14067unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
14068{
14069 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14070
14071 if (WARN_ON(!rdev->cur_cmd_info))
14072 return 0;
14073
14074 return rdev->cur_cmd_info->snd_portid;
14075}
14076EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
14077
fa9ffc74
KP		 14078static int nl80211_set_qos_map(struct sk_buff *skb,
14079 struct genl_info *info)
14080{
14081 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14082 struct cfg80211_qos_map *qos_map = NULL;
14083 struct net_device *dev = info->user_ptr[1];
14084 u8 *pos, len, num_des, des_len, des;
14085 int ret;
14086
14087 if (!rdev->ops->set_qos_map)
14088 return -EOPNOTSUPP;
14089
14090 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
14091 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
14092 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
14093
c8b82802 14094 if (len % 2)
fa9ffc74
KP		 14095 return -EINVAL;
14096
14097 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
14098 if (!qos_map)
14099 return -ENOMEM;
14100
14101 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
14102 if (num_des) {
14103 des_len = num_des *
14104 sizeof(struct cfg80211_dscp_exception);
14105 memcpy(qos_map->dscp_exception, pos, des_len);
14106 qos_map->num_des = num_des;
14107 for (des = 0; des < num_des; des++) {
14108 if (qos_map->dscp_exception[des].up > 7) {
14109 kfree(qos_map);
14110 return -EINVAL;
14111 }
14112 }
14113 pos += des_len;
14114 }
14115 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
14116 }
14117
14118 wdev_lock(dev->ieee80211_ptr);
14119 ret = nl80211_key_allowed(dev->ieee80211_ptr);
14120 if (!ret)
14121 ret = rdev_set_qos_map(rdev, dev, qos_map);
14122 wdev_unlock(dev->ieee80211_ptr);
14123
14124 kfree(qos_map);
14125 return ret;
14126}
14127
960d01ac
JB		 14128static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
14129{
14130 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14131 struct net_device *dev = info->user_ptr[1];
14132 struct wireless_dev *wdev = dev->ieee80211_ptr;
14133 const u8 *peer;
14134 u8 tsid, up;
14135 u16 admitted_time = 0;
14136 int err;
14137
723e73ac 14138 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
960d01ac
JB		 14139 return -EOPNOTSUPP;
14140
14141 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
14142 !info->attrs[NL80211_ATTR_USER_PRIO])
14143 return -EINVAL;
14144
14145 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
960d01ac 14146 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
960d01ac
JB		 14147
14148 /* WMM uses TIDs 0-7 even for TSPEC */
723e73ac 14149 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
960d01ac 14150 /* TODO: handle 802.11 TSPEC/admission control
723e73ac
JB		 14151 * need more attributes for that (e.g. BA session requirement);
14152 * change the WMM adminssion test above to allow both then
960d01ac
JB		 14153 */
14154 return -EINVAL;
14155 }
14156
14157 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14158
14159 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
14160 admitted_time =
14161 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
14162 if (!admitted_time)
14163 return -EINVAL;
14164 }
14165
14166 wdev_lock(wdev);
14167 switch (wdev->iftype) {
14168 case NL80211_IFTYPE_STATION:
14169 case NL80211_IFTYPE_P2P_CLIENT:
14170 if (wdev->current_bss)
14171 break;
14172 err = -ENOTCONN;
14173 goto out;
14174 default:
14175 err = -EOPNOTSUPP;
14176 goto out;
14177 }
14178
14179 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
14180
14181 out:
14182 wdev_unlock(wdev);
14183 return err;
14184}
14185
14186static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
14187{
14188 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14189 struct net_device *dev = info->user_ptr[1];
14190 struct wireless_dev *wdev = dev->ieee80211_ptr;
14191 const u8 *peer;
14192 u8 tsid;
14193 int err;
14194
14195 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
14196 return -EINVAL;
14197
14198 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14199 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14200
14201 wdev_lock(wdev);
14202 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14203 wdev_unlock(wdev);
14204
14205 return err;
14206}
14207
1057d35e
AN		 14208static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14209 struct genl_info *info)
14210{
14211 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14212 struct net_device *dev = info->user_ptr[1];
14213 struct wireless_dev *wdev = dev->ieee80211_ptr;
14214 struct cfg80211_chan_def chandef = {};
14215 const u8 *addr;
14216 u8 oper_class;
14217 int err;
14218
14219 if (!rdev->ops->tdls_channel_switch ||
14220 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14221 return -EOPNOTSUPP;
14222
14223 switch (dev->ieee80211_ptr->iftype) {
14224 case NL80211_IFTYPE_STATION:
14225 case NL80211_IFTYPE_P2P_CLIENT:
14226 break;
14227 default:
14228 return -EOPNOTSUPP;
14229 }
14230
14231 if (!info->attrs[NL80211_ATTR_MAC] ||
14232 !info->attrs[NL80211_ATTR_OPER_CLASS])
14233 return -EINVAL;
14234
14235 err = nl80211_parse_chandef(rdev, info, &chandef);
14236 if (err)
14237 return err;
14238
14239 /*
14240 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14241 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14242 * specification is not defined for them.
14243 */
57fbcce3 14244 if (chandef.chan->band == NL80211_BAND_2GHZ &&
1057d35e
AN		 14245 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14246 chandef.width != NL80211_CHAN_WIDTH_20)
14247 return -EINVAL;
14248
14249 /* we will be active on the TDLS link */
923b352f
AN		 14250 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14251 wdev->iftype))
1057d35e
AN		 14252 return -EINVAL;
14253
14254 /* don't allow switching to DFS channels */
14255 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14256 return -EINVAL;
14257
14258 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14259 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14260
14261 wdev_lock(wdev);
14262 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14263 wdev_unlock(wdev);
14264
14265 return err;
14266}
14267
14268static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14269 struct genl_info *info)
14270{
14271 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14272 struct net_device *dev = info->user_ptr[1];
14273 struct wireless_dev *wdev = dev->ieee80211_ptr;
14274 const u8 *addr;
14275
14276 if (!rdev->ops->tdls_channel_switch ||
14277 !rdev->ops->tdls_cancel_channel_switch ||
14278 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14279 return -EOPNOTSUPP;
14280
14281 switch (dev->ieee80211_ptr->iftype) {
14282 case NL80211_IFTYPE_STATION:
14283 case NL80211_IFTYPE_P2P_CLIENT:
14284 break;
14285 default:
14286 return -EOPNOTSUPP;
14287 }
14288
14289 if (!info->attrs[NL80211_ATTR_MAC])
14290 return -EINVAL;
14291
14292 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14293
14294 wdev_lock(wdev);
14295 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14296 wdev_unlock(wdev);
14297
14298 return 0;
14299}
14300
ce0ce13a
MB		 14301static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14302 struct genl_info *info)
14303{
14304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14305 struct net_device *dev = info->user_ptr[1];
14306 struct wireless_dev *wdev = dev->ieee80211_ptr;
14307 const struct nlattr *nla;
14308 bool enabled;
14309
ce0ce13a
MB		 14310 if (!rdev->ops->set_multicast_to_unicast)
14311 return -EOPNOTSUPP;
14312
14313 if (wdev->iftype != NL80211_IFTYPE_AP &&
14314 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14315 return -EOPNOTSUPP;
14316
14317 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14318 enabled = nla_get_flag(nla);
14319
14320 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14321}
14322
3a00df57
AS		 14323static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14324{
14325 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14326 struct net_device *dev = info->user_ptr[1];
14327 struct wireless_dev *wdev = dev->ieee80211_ptr;
14328 struct cfg80211_pmk_conf pmk_conf = {};
14329 int ret;
14330
14331 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14332 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14333 return -EOPNOTSUPP;
14334
14335 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14336 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14337 return -EOPNOTSUPP;
14338
14339 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14340 return -EINVAL;
14341
14342 wdev_lock(wdev);
14343 if (!wdev->current_bss) {
14344 ret = -ENOTCONN;
14345 goto out;
14346 }
14347
14348 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14349 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14350 ret = -EINVAL;
14351 goto out;
14352 }
14353
14354 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14355 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14356 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14357 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14358 ret = -EINVAL;
14359 goto out;
14360 }
14361
cb9abd48 14362 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
3a00df57
AS		 14363 pmk_conf.pmk_r0_name =
14364 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
3a00df57
AS		 14365
14366 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14367out:
14368 wdev_unlock(wdev);
14369 return ret;
14370}
14371
14372static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14373{
14374 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14375 struct net_device *dev = info->user_ptr[1];
14376 struct wireless_dev *wdev = dev->ieee80211_ptr;
14377 const u8 *aa;
14378 int ret;
14379
14380 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14381 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14382 return -EOPNOTSUPP;
14383
14384 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14385 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14386 return -EOPNOTSUPP;
14387
14388 if (!info->attrs[NL80211_ATTR_MAC])
14389 return -EINVAL;
14390
14391 wdev_lock(wdev);
14392 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14393 ret = rdev_del_pmk(rdev, dev, aa);
14394 wdev_unlock(wdev);
14395
14396 return ret;
14397}
14398
40cbfa90
SD		 14399static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14400{
14401 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14402 struct net_device *dev = info->user_ptr[1];
14403 struct cfg80211_external_auth_params params;
14404
db8d93a7 14405 if (!rdev->ops->external_auth)
40cbfa90
SD		 14406 return -EOPNOTSUPP;
14407
fe494370
SD		 14408 if (!info->attrs[NL80211_ATTR_SSID] &&
14409 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14410 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
40cbfa90
SD		 14411 return -EINVAL;
14412
14413 if (!info->attrs[NL80211_ATTR_BSSID])
14414 return -EINVAL;
14415
14416 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14417 return -EINVAL;
14418
14419 memset(&params, 0, sizeof(params));
14420
fe494370
SD		 14421 if (info->attrs[NL80211_ATTR_SSID]) {
14422 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
cb9abd48 14423 if (params.ssid.ssid_len == 0)
fe494370
SD		 14424 return -EINVAL;
14425 memcpy(params.ssid.ssid,
14426 nla_data(info->attrs[NL80211_ATTR_SSID]),
14427 params.ssid.ssid_len);
14428 }
40cbfa90
SD		 14429
14430 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14431 ETH_ALEN);
14432
14433 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14434
fe494370
SD		 14435 if (info->attrs[NL80211_ATTR_PMKID])
14436 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14437
40cbfa90
SD		 14438 return rdev_external_auth(rdev, dev, &params);
14439}
14440
2576a9ac
DK		 14441static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14442{
dca9ca2d 14443 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
2576a9ac
DK		 14444 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14445 struct net_device *dev = info->user_ptr[1];
14446 struct wireless_dev *wdev = dev->ieee80211_ptr;
14447 const u8 *buf;
14448 size_t len;
14449 u8 *dest;
14450 u16 proto;
14451 bool noencrypt;
dca9ca2d 14452 u64 cookie = 0;
2576a9ac
DK		 14453 int err;
14454
14455 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14456 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14457 return -EOPNOTSUPP;
14458
14459 if (!rdev->ops->tx_control_port)
14460 return -EOPNOTSUPP;
14461
14462 if (!info->attrs[NL80211_ATTR_FRAME] ||
14463 !info->attrs[NL80211_ATTR_MAC] ||
14464 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14465 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14466 return -EINVAL;
14467 }
14468
14469 wdev_lock(wdev);
14470
14471 switch (wdev->iftype) {
14472 case NL80211_IFTYPE_AP:
14473 case NL80211_IFTYPE_P2P_GO:
14474 case NL80211_IFTYPE_MESH_POINT:
14475 break;
14476 case NL80211_IFTYPE_ADHOC:
14477 case NL80211_IFTYPE_STATION:
14478 case NL80211_IFTYPE_P2P_CLIENT:
14479 if (wdev->current_bss)
14480 break;
14481 err = -ENOTCONN;
14482 goto out;
14483 default:
14484 err = -EOPNOTSUPP;
14485 goto out;
14486 }
14487
14488 wdev_unlock(wdev);
14489
14490 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14491 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14492 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14493 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14494 noencrypt =
14495 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14496
dca9ca2d
MT		 14497 err = rdev_tx_control_port(rdev, dev, buf, len,
14498 dest, cpu_to_be16(proto), noencrypt,
14499 dont_wait_for_ack ? NULL : &cookie);
14500 if (!err && !dont_wait_for_ack)
14501 nl_set_extack_cookie_u64(info->extack, cookie);
14502 return err;
2576a9ac
DK		 14503 out:
14504 wdev_unlock(wdev);
14505 return err;
14506}
14507
81e54d08
PKC		 14508static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14509 struct genl_info *info)
14510{
14511 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14512 struct net_device *dev = info->user_ptr[1];
14513 struct wireless_dev *wdev = dev->ieee80211_ptr;
14514 struct cfg80211_ftm_responder_stats ftm_stats = {};
14515 struct sk_buff *msg;
14516 void *hdr;
14517 struct nlattr *ftm_stats_attr;
14518 int err;
14519
14520 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14521 return -EOPNOTSUPP;
14522
14523 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14524 if (err)
14525 return err;
14526
14527 if (!ftm_stats.filled)
14528 return -ENODATA;
14529
14530 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14531 if (!msg)
14532 return -ENOMEM;
14533
14534 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14535 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14536 if (!hdr)
1399c59f 14537 goto nla_put_failure;
81e54d08
PKC		 14538
14539 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14540 goto nla_put_failure;
14541
ae0be8de
MK		 14542 ftm_stats_attr = nla_nest_start_noflag(msg,
14543 NL80211_ATTR_FTM_RESPONDER_STATS);
81e54d08
PKC		 14544 if (!ftm_stats_attr)
14545 goto nla_put_failure;
14546
14547#define SET_FTM(field, name, type) \
14548 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14549 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14550 ftm_stats.field)) \
14551 goto nla_put_failure; } while (0)
14552#define SET_FTM_U64(field, name) \
14553 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14554 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14555 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14556 goto nla_put_failure; } while (0)
14557
14558 SET_FTM(success_num, SUCCESS_NUM, u32);
14559 SET_FTM(partial_num, PARTIAL_NUM, u32);
14560 SET_FTM(failed_num, FAILED_NUM, u32);
14561 SET_FTM(asap_num, ASAP_NUM, u32);
14562 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14563 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14564 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14565 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14566 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14567#undef SET_FTM
14568
14569 nla_nest_end(msg, ftm_stats_attr);
14570
14571 genlmsg_end(msg, hdr);
14572 return genlmsg_reply(msg, info);
14573
14574nla_put_failure:
14575 nlmsg_free(msg);
14576 return -ENOBUFS;
14577}
14578
cb74e977
SD		 14579static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14580{
14581 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14582 struct cfg80211_update_owe_info owe_info;
14583 struct net_device *dev = info->user_ptr[1];
14584
14585 if (!rdev->ops->update_owe_info)
14586 return -EOPNOTSUPP;
14587
14588 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14589 !info->attrs[NL80211_ATTR_MAC])
14590 return -EINVAL;
14591
14592 memset(&owe_info, 0, sizeof(owe_info));
14593 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14594 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14595
14596 if (info->attrs[NL80211_ATTR_IE]) {
14597 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14598 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14599 }
14600
14601 return rdev_update_owe_info(rdev, dev, &owe_info);
14602}
14603
5ab92e7f
RM		 14604static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14605{
14606 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14607 struct net_device *dev = info->user_ptr[1];
14608 struct wireless_dev *wdev = dev->ieee80211_ptr;
14609 struct station_info sinfo = {};
14610 const u8 *buf;
14611 size_t len;
14612 u8 *dest;
14613 int err;
14614
14615 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14616 return -EOPNOTSUPP;
14617
14618 if (!info->attrs[NL80211_ATTR_MAC] ||
14619 !info->attrs[NL80211_ATTR_FRAME]) {
14620 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14621 return -EINVAL;
14622 }
14623
14624 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14625 return -EOPNOTSUPP;
14626
14627 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14628 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14629 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14630
14631 if (len < sizeof(struct ethhdr))
14632 return -EINVAL;
14633
14634 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14635 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14636 return -EINVAL;
14637
14638 err = rdev_get_station(rdev, dev, dest, &sinfo);
14639 if (err)
14640 return err;
14641
2a279b34
FF		 14642 cfg80211_sinfo_release_content(&sinfo);
14643
5ab92e7f
RM		 14644 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14645}
14646
77f576de
T		 14647static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14648 struct nlattr *attrs[], struct net_device *dev,
3710a8a6 14649 struct cfg80211_tid_cfg *tid_conf,
77f576de
T		 14650 struct genl_info *info, const u8 *peer)
14651{
14652 struct netlink_ext_ack *extack = info->extack;
3710a8a6 14653 u64 mask;
77f576de
T		 14654 int err;
14655
14656 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14657 return -EINVAL;
14658
14659 tid_conf->config_override =
14660 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
3710a8a6 14661 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
77f576de
T		 14662
14663 if (tid_conf->config_override) {
14664 if (rdev->ops->reset_tid_config) {
14665 err = rdev_reset_tid_config(rdev, dev, peer,
3710a8a6 14666 tid_conf->tids);
c0336955 14667 if (err)
77f576de
T		 14668 return err;
14669 } else {
14670 return -EINVAL;
14671 }
14672 }
14673
14674 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
3710a8a6 14675 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
77f576de
T		 14676 tid_conf->noack =
14677 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14678 }
14679
6a21d16c
T		 14680 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14681 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14682 tid_conf->retry_short =
14683 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14684
14685 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14686 return -EINVAL;
14687 }
14688
14689 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14690 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14691 tid_conf->retry_long =
14692 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14693
14694 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14695 return -EINVAL;
14696 }
14697
ade274b2
T		 14698 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14699 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14700 tid_conf->ampdu =
14701 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14702 }
14703
04f7d142
T		 14704 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14705 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14706 tid_conf->rtscts =
14707 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14708 }
14709
33462e68
SM		 14710 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
14711 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
14712 tid_conf->amsdu =
14713 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
14714 }
14715
9a5f6488
TC		 14716 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
14717 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
14718
14719 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
14720
14721 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
14722 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
14723 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
857b34c4
RM		 14724 &tid_conf->txrate_mask, dev,
14725 true);
9a5f6488
TC		 14726 if (err)
14727 return err;
14728
14729 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
14730 }
14731 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
14732 }
14733
3710a8a6
JB		 14734 if (peer)
14735 mask = rdev->wiphy.tid_config_support.peer;
14736 else
14737 mask = rdev->wiphy.tid_config_support.vif;
14738
14739 if (tid_conf->mask & ~mask) {
14740 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14741 return -ENOTSUPP;
14742 }
14743
77f576de
T		 14744 return 0;
14745}
14746
14747static int nl80211_set_tid_config(struct sk_buff *skb,
14748 struct genl_info *info)
14749{
14750 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14751 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14752 struct net_device *dev = info->user_ptr[1];
3710a8a6 14753 struct cfg80211_tid_config *tid_config;
77f576de
T		 14754 struct nlattr *tid;
14755 int conf_idx = 0, rem_conf;
14756 int ret = -EINVAL;
14757 u32 num_conf = 0;
14758
14759 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14760 return -EINVAL;
14761
14762 if (!rdev->ops->set_tid_config)
14763 return -EOPNOTSUPP;
14764
14765 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14766 rem_conf)
14767 num_conf++;
14768
14769 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14770 GFP_KERNEL);
14771 if (!tid_config)
14772 return -ENOMEM;
14773
14774 tid_config->n_tid_conf = num_conf;
14775
14776 if (info->attrs[NL80211_ATTR_MAC])
14777 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14778
14779 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14780 rem_conf) {
14781 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14782 tid, NULL, NULL);
14783
14784 if (ret)
14785 goto bad_tid_conf;
14786
14787 ret = parse_tid_conf(rdev, attrs, dev,
14788 &tid_config->tid_conf[conf_idx],
14789 info, tid_config->peer);
14790 if (ret)
14791 goto bad_tid_conf;
14792
14793 conf_idx++;
14794 }
14795
14796 ret = rdev_set_tid_config(rdev, dev, tid_config);
14797
14798bad_tid_conf:
14799 kfree(tid_config);
14800 return ret;
14801}
14802
4c476991
JB		 14803#define NL80211_FLAG_NEED_WIPHY 0x01
14804#define NL80211_FLAG_NEED_NETDEV 0x02
14805#define NL80211_FLAG_NEED_RTNL 0x04
41265714
JB		 14806#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14807#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14808 NL80211_FLAG_CHECK_NETDEV_UP)
1bf614ef 14809#define NL80211_FLAG_NEED_WDEV 0x10
98104fde 14810/* If a netdev is associated, it must be UP, P2P must be started */
1bf614ef
JB		 14811#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14812 NL80211_FLAG_CHECK_NETDEV_UP)
5393b917 14813#define NL80211_FLAG_CLEAR_SKB 0x20
77cbf790 14814#define NL80211_FLAG_NO_WIPHY_MTX 0x40
4c476991 14815
f84f771d 14816static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 14817 struct genl_info *info)
14818{
a05829a7 14819 struct cfg80211_registered_device *rdev = NULL;
89a54e48 14820 struct wireless_dev *wdev;
4c476991 14821 struct net_device *dev;
4c476991 14822
a05829a7 14823 rtnl_lock();
4c476991 14824 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
4f7eff10 14825 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
4c476991 14826 if (IS_ERR(rdev)) {
a05829a7 14827 rtnl_unlock();
4c476991
JB		 14828 return PTR_ERR(rdev);
14829 }
14830 info->user_ptr[0] = rdev;
1bf614ef
JB		 14831 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14832 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
a05829a7 14833 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
89a54e48
JB		 14834 info->attrs);
14835 if (IS_ERR(wdev)) {
a05829a7 14836 rtnl_unlock();
89a54e48 14837 return PTR_ERR(wdev);
4c476991 14838 }
89a54e48 14839
89a54e48 14840 dev = wdev->netdev;
f26cbf40 14841 rdev = wiphy_to_rdev(wdev->wiphy);
89a54e48 14842
1bf614ef
JB		 14843 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14844 if (!dev) {
a05829a7 14845 rtnl_unlock();
1bf614ef
JB		 14846 return -EINVAL;
14847 }
14848
14849 info->user_ptr[1] = dev;
14850 } else {
14851 info->user_ptr[1] = wdev;
41265714 14852 }
1bf614ef 14853
73c7da3d
AVS		 14854 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14855 !wdev_running(wdev)) {
a05829a7 14856 rtnl_unlock();
73c7da3d
AVS		 14857 return -ENETDOWN;
14858 }
1bf614ef 14859
73c7da3d 14860 if (dev)
1bf614ef 14861 dev_hold(dev);
89a54e48 14862
4c476991 14863 info->user_ptr[0] = rdev;
4c476991
JB		 14864 }
14865
77cbf790 14866 if (rdev && !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
a05829a7
JB		 14867 wiphy_lock(&rdev->wiphy);
14868 /* we keep the mutex locked until post_doit */
14869 __release(&rdev->wiphy.mtx);
14870 }
14871 if (!(ops->internal_flags & NL80211_FLAG_NEED_RTNL))
14872 rtnl_unlock();
14873
4c476991
JB		 14874 return 0;
14875}
14876
f84f771d 14877static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 14878 struct genl_info *info)
14879{
1bf614ef
JB		 14880 if (info->user_ptr[1]) {
14881 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14882 struct wireless_dev *wdev = info->user_ptr[1];
14883
14884 if (wdev->netdev)
14885 dev_put(wdev->netdev);
14886 } else {
14887 dev_put(info->user_ptr[1]);
14888 }
14889 }
5393b917 14890
77cbf790
JB		 14891 if (info->user_ptr[0] &&
14892 !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
a05829a7
JB		 14893 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14894
14895 /* we kept the mutex locked since pre_doit */
14896 __acquire(&rdev->wiphy.mtx);
14897 wiphy_unlock(&rdev->wiphy);
14898 }
14899
4c476991
JB		 14900 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
14901 rtnl_unlock();
5393b917
JB		 14902
14903 /* If needed, clear the netlink message payload from the SKB
14904 * as it might contain key data that shouldn't stick around on
14905 * the heap after the SKB is freed. The netlink message header
14906 * is still needed for further processing, so leave it intact.
14907 */
14908 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
14909 struct nlmsghdr *nlh = nlmsg_hdr(skb);
14910
14911 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
14912 }
4c476991
JB		 14913}
14914
6bdb68ce
CH		 14915static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
14916 struct cfg80211_sar_specs *sar_specs,
14917 struct nlattr *spec[], int index)
14918{
14919 u32 range_index, i;
14920
14921 if (!sar_specs || !spec)
14922 return -EINVAL;
14923
14924 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
14925 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
14926 return -EINVAL;
14927
14928 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
14929
14930 /* check if range_index exceeds num_freq_ranges */
14931 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
14932 return -EINVAL;
14933
14934 /* check if range_index duplicates */
14935 for (i = 0; i < index; i++) {
14936 if (sar_specs->sub_specs[i].freq_range_index == range_index)
14937 return -EINVAL;
14938 }
14939
14940 sar_specs->sub_specs[index].power =
14941 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
14942
14943 sar_specs->sub_specs[index].freq_range_index = range_index;
14944
14945 return 0;
14946}
14947
14948static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
14949{
14950 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14951 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
14952 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
14953 struct cfg80211_sar_specs *sar_spec;
14954 enum nl80211_sar_type type;
14955 struct nlattr *spec_list;
14956 u32 specs;
14957 int rem, err;
14958
14959 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
14960 return -EOPNOTSUPP;
14961
14962 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
14963 return -EINVAL;
14964
14965 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
14966 info->attrs[NL80211_ATTR_SAR_SPEC],
14967 NULL, NULL);
14968
14969 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
14970 return -EINVAL;
14971
14972 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
14973 if (type != rdev->wiphy.sar_capa->type)
14974 return -EINVAL;
14975
14976 specs = 0;
14977 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
14978 specs++;
14979
14980 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
14981 return -EINVAL;
14982
14983 sar_spec = kzalloc(sizeof(*sar_spec) +
14984 specs * sizeof(struct cfg80211_sar_sub_specs),
14985 GFP_KERNEL);
14986 if (!sar_spec)
14987 return -ENOMEM;
14988
14989 sar_spec->type = type;
14990 specs = 0;
14991 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
14992 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
14993 spec_list, NULL, NULL);
14994
14995 switch (type) {
14996 case NL80211_SAR_TYPE_POWER:
14997 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
14998 spec, specs)) {
14999 err = -EINVAL;
15000 goto error;
15001 }
15002 break;
15003 default:
15004 err = -EINVAL;
15005 goto error;
15006 }
15007 specs++;
15008 }
15009
15010 sar_spec->num_sub_specs = specs;
15011
15012 rdev->cur_cmd_info = info;
15013 err = rdev_set_sar_specs(rdev, sar_spec);
15014 rdev->cur_cmd_info = NULL;
15015error:
15016 kfree(sar_spec);
15017 return err;
15018}
15019
4534de83 15020static const struct genl_ops nl80211_ops[] = {
55682965
JB		 15021 {
15022 .cmd = NL80211_CMD_GET_WIPHY,
ef6243ac 15023 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 15024 .doit = nl80211_get_wiphy,
15025 .dumpit = nl80211_dump_wiphy,
86e8cf98 15026 .done = nl80211_dump_wiphy_done,
55682965 15027 /* can be retrieved by unprivileged users */
a05829a7 15028 .internal_flags = NL80211_FLAG_NEED_WIPHY,
55682965 15029 },
66a9b928
JK		 15030};
15031
15032static const struct genl_small_ops nl80211_small_ops[] = {
55682965
JB		 15033 {
15034 .cmd = NL80211_CMD_SET_WIPHY,
ef6243ac 15035 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 15036 .doit = nl80211_set_wiphy,
5617c6cd 15037 .flags = GENL_UNS_ADMIN_PERM,
55682965
JB		 15038 },
15039 {
15040 .cmd = NL80211_CMD_GET_INTERFACE,
ef6243ac 15041 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 15042 .doit = nl80211_get_interface,
15043 .dumpit = nl80211_dump_interface,
55682965 15044 /* can be retrieved by unprivileged users */
a05829a7 15045 .internal_flags = NL80211_FLAG_NEED_WDEV,
55682965
JB		 15046 },
15047 {
15048 .cmd = NL80211_CMD_SET_INTERFACE,
ef6243ac 15049 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 15050 .doit = nl80211_set_interface,
5617c6cd 15051 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 15052 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15053 NL80211_FLAG_NEED_RTNL,
55682965
JB		 15054 },
15055 {
15056 .cmd = NL80211_CMD_NEW_INTERFACE,
ef6243ac 15057 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 15058 .doit = nl80211_new_interface,
5617c6cd 15059 .flags = GENL_UNS_ADMIN_PERM,
4c476991 15060 .internal_flags = NL80211_FLAG_NEED_WIPHY |
ea6b2098
JB		 15061 NL80211_FLAG_NEED_RTNL |
15062 /* we take the wiphy mutex later ourselves */
15063 NL80211_FLAG_NO_WIPHY_MTX,
55682965
JB		 15064 },
15065 {
15066 .cmd = NL80211_CMD_DEL_INTERFACE,
ef6243ac 15067 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 15068 .doit = nl80211_del_interface,
5617c6cd 15069 .flags = GENL_UNS_ADMIN_PERM,
84efbb84 15070 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 15071 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 15072 },
15073 {
15074 .cmd = NL80211_CMD_GET_KEY,
ef6243ac 15075 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 15076 .doit = nl80211_get_key,
5617c6cd 15077 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15078 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
41ade00f
JB		 15079 },
15080 {
15081 .cmd = NL80211_CMD_SET_KEY,
ef6243ac 15082 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 15083 .doit = nl80211_set_key,
5617c6cd 15084 .flags = GENL_UNS_ADMIN_PERM,
41265714 15085 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917 15086 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 15087 },
15088 {
15089 .cmd = NL80211_CMD_NEW_KEY,
ef6243ac 15090 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 15091 .doit = nl80211_new_key,
5617c6cd 15092 .flags = GENL_UNS_ADMIN_PERM,
41265714 15093 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917 15094 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 15095 },
15096 {
15097 .cmd = NL80211_CMD_DEL_KEY,
ef6243ac 15098 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 15099 .doit = nl80211_del_key,
5617c6cd 15100 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15101 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
55682965 15102 },
ed1b6cc7
JB		 15103 {
15104 .cmd = NL80211_CMD_SET_BEACON,
ef6243ac 15105 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 15106 .flags = GENL_UNS_ADMIN_PERM,
8860020e 15107 .doit = nl80211_set_beacon,
a05829a7 15108 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
ed1b6cc7
JB		 15109 },
15110 {
8860020e 15111 .cmd = NL80211_CMD_START_AP,
ef6243ac 15112 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 15113 .flags = GENL_UNS_ADMIN_PERM,
8860020e 15114 .doit = nl80211_start_ap,
a05829a7 15115 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
ed1b6cc7
JB		 15116 },
15117 {
8860020e 15118 .cmd = NL80211_CMD_STOP_AP,
ef6243ac 15119 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 15120 .flags = GENL_UNS_ADMIN_PERM,
8860020e 15121 .doit = nl80211_stop_ap,
a05829a7 15122 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
ed1b6cc7 15123 },
5727ef1b
JB		 15124 {
15125 .cmd = NL80211_CMD_GET_STATION,
ef6243ac 15126 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 15127 .doit = nl80211_get_station,
2ec600d6 15128 .dumpit = nl80211_dump_station,
a05829a7 15129 .internal_flags = NL80211_FLAG_NEED_NETDEV,
5727ef1b
JB		 15130 },
15131 {
15132 .cmd = NL80211_CMD_SET_STATION,
ef6243ac 15133 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 15134 .doit = nl80211_set_station,
5617c6cd 15135 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15136 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
5727ef1b
JB		 15137 },
15138 {
15139 .cmd = NL80211_CMD_NEW_STATION,
ef6243ac 15140 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 15141 .doit = nl80211_new_station,
5617c6cd 15142 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15143 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
5727ef1b
JB		 15144 },
15145 {
15146 .cmd = NL80211_CMD_DEL_STATION,
ef6243ac 15147 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 15148 .doit = nl80211_del_station,
5617c6cd 15149 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15150 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
2ec600d6
LCC		 15151 },
15152 {
15153 .cmd = NL80211_CMD_GET_MPATH,
ef6243ac 15154 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6
LCC		 15155 .doit = nl80211_get_mpath,
15156 .dumpit = nl80211_dump_mpath,
5617c6cd 15157 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15158 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
2ec600d6 15159 },
66be7d2b
HR		 15160 {
15161 .cmd = NL80211_CMD_GET_MPP,
ef6243ac 15162 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
66be7d2b
HR		 15163 .doit = nl80211_get_mpp,
15164 .dumpit = nl80211_dump_mpp,
5617c6cd 15165 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15166 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
66be7d2b 15167 },
2ec600d6
LCC		 15168 {
15169 .cmd = NL80211_CMD_SET_MPATH,
ef6243ac 15170 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 15171 .doit = nl80211_set_mpath,
5617c6cd 15172 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15173 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
2ec600d6
LCC		 15174 },
15175 {
15176 .cmd = NL80211_CMD_NEW_MPATH,
ef6243ac 15177 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 15178 .doit = nl80211_new_mpath,
5617c6cd 15179 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15180 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
2ec600d6
LCC		 15181 },
15182 {
15183 .cmd = NL80211_CMD_DEL_MPATH,
ef6243ac 15184 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 15185 .doit = nl80211_del_mpath,
5617c6cd 15186 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15187 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
9f1ba906
JM		 15188 },
15189 {
15190 .cmd = NL80211_CMD_SET_BSS,
ef6243ac 15191 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9f1ba906 15192 .doit = nl80211_set_bss,
5617c6cd 15193 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15194 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
b2e1b302 15195 },
f130347c
LR		 15196 {
15197 .cmd = NL80211_CMD_GET_REG,
ef6243ac 15198 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad30ca2c
AN		 15199 .doit = nl80211_get_reg_do,
15200 .dumpit = nl80211_get_reg_dump,
a05829a7 15201 .internal_flags = 0,
f130347c
LR		 15202 /* can be retrieved by unprivileged users */
15203 },
b6863036 15204#ifdef CONFIG_CFG80211_CRDA_SUPPORT
b2e1b302
LR		 15205 {
15206 .cmd = NL80211_CMD_SET_REG,
ef6243ac 15207 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 15208 .doit = nl80211_set_reg,
b2e1b302 15209 .flags = GENL_ADMIN_PERM,
a05829a7 15210 .internal_flags = 0,
b2e1b302 15211 },
b6863036 15212#endif
b2e1b302
LR		 15213 {
15214 .cmd = NL80211_CMD_REQ_SET_REG,
ef6243ac 15215 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 15216 .doit = nl80211_req_set_reg,
93da9cc1 15217 .flags = GENL_ADMIN_PERM,
15218 },
1ea4ff3e
JB		 15219 {
15220 .cmd = NL80211_CMD_RELOAD_REGDB,
ef6243ac 15221 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1ea4ff3e 15222 .doit = nl80211_reload_regdb,
1ea4ff3e
JB		 15223 .flags = GENL_ADMIN_PERM,
15224 },
93da9cc1 15225 {
24bdd9f4 15226 .cmd = NL80211_CMD_GET_MESH_CONFIG,
ef6243ac 15227 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 15228 .doit = nl80211_get_mesh_config,
93da9cc1 15229 /* can be retrieved by unprivileged users */
a05829a7 15230 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
93da9cc1 15231 },
15232 {
24bdd9f4 15233 .cmd = NL80211_CMD_SET_MESH_CONFIG,
ef6243ac 15234 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 15235 .doit = nl80211_update_mesh_config,
5617c6cd 15236 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15237 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
9aed3cc1 15238 },
2a519311
JB		 15239 {
15240 .cmd = NL80211_CMD_TRIGGER_SCAN,
ef6243ac 15241 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311 15242 .doit = nl80211_trigger_scan,
5617c6cd 15243 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15244 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
2a519311 15245 },
91d3ab46
VK		 15246 {
15247 .cmd = NL80211_CMD_ABORT_SCAN,
ef6243ac 15248 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
91d3ab46 15249 .doit = nl80211_abort_scan,
5617c6cd 15250 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15251 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
91d3ab46 15252 },
2a519311
JB		 15253 {
15254 .cmd = NL80211_CMD_GET_SCAN,
ef6243ac 15255 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311
JB		 15256 .dumpit = nl80211_dump_scan,
15257 },
807f8a8c
LC		 15258 {
15259 .cmd = NL80211_CMD_START_SCHED_SCAN,
ef6243ac 15260 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 15261 .doit = nl80211_start_sched_scan,
5617c6cd 15262 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15263 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
807f8a8c
LC		 15264 },
15265 {
15266 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
ef6243ac 15267 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 15268 .doit = nl80211_stop_sched_scan,
5617c6cd 15269 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15270 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
807f8a8c 15271 },
636a5d36
JM		 15272 {
15273 .cmd = NL80211_CMD_AUTHENTICATE,
ef6243ac 15274 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 15275 .doit = nl80211_authenticate,
5617c6cd 15276 .flags = GENL_UNS_ADMIN_PERM,
41265714 15277 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
a05829a7 15278 0 |
5393b917 15279 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 15280 },
15281 {
15282 .cmd = NL80211_CMD_ASSOCIATE,
ef6243ac 15283 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 15284 .doit = nl80211_associate,
5617c6cd 15285 .flags = GENL_UNS_ADMIN_PERM,
41265714 15286 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
a05829a7 15287 0 |
d6db02a8 15288 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 15289 },
15290 {
15291 .cmd = NL80211_CMD_DEAUTHENTICATE,
ef6243ac 15292 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 15293 .doit = nl80211_deauthenticate,
5617c6cd 15294 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15295 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
636a5d36
JM		 15296 },
15297 {
15298 .cmd = NL80211_CMD_DISASSOCIATE,
ef6243ac 15299 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 15300 .doit = nl80211_disassociate,
5617c6cd 15301 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15302 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
636a5d36 15303 },
04a773ad
JB		 15304 {
15305 .cmd = NL80211_CMD_JOIN_IBSS,
ef6243ac 15306 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 15307 .doit = nl80211_join_ibss,
5617c6cd 15308 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15309 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
04a773ad
JB		 15310 },
15311 {
15312 .cmd = NL80211_CMD_LEAVE_IBSS,
ef6243ac 15313 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 15314 .doit = nl80211_leave_ibss,
5617c6cd 15315 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15316 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
04a773ad 15317 },
aff89a9b
JB		 15318#ifdef CONFIG_NL80211_TESTMODE
15319 {
15320 .cmd = NL80211_CMD_TESTMODE,
ef6243ac 15321 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aff89a9b 15322 .doit = nl80211_testmode_do,
71063f0e 15323 .dumpit = nl80211_testmode_dump,
5617c6cd 15324 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15325 .internal_flags = NL80211_FLAG_NEED_WIPHY,
aff89a9b
JB		 15326 },
15327#endif
b23aa676
SO		 15328 {
15329 .cmd = NL80211_CMD_CONNECT,
ef6243ac 15330 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 15331 .doit = nl80211_connect,
5617c6cd 15332 .flags = GENL_UNS_ADMIN_PERM,
41265714 15333 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
a05829a7 15334 0 |
d6db02a8 15335 NL80211_FLAG_CLEAR_SKB,
b23aa676 15336 },
088e8df8 15337 {
15338 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
ef6243ac 15339 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
088e8df8 15340 .doit = nl80211_update_connect_params,
088e8df8 15341 .flags = GENL_ADMIN_PERM,
15342 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
a05829a7 15343 0 |
d6db02a8 15344 NL80211_FLAG_CLEAR_SKB,
088e8df8 15345 },
b23aa676
SO		 15346 {
15347 .cmd = NL80211_CMD_DISCONNECT,
ef6243ac 15348 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 15349 .doit = nl80211_disconnect,
5617c6cd 15350 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15351 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
b23aa676 15352 },
463d0183
JB		 15353 {
15354 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
ef6243ac 15355 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
463d0183 15356 .doit = nl80211_wiphy_netns,
5617c6cd 15357 .flags = GENL_UNS_ADMIN_PERM,
77cbf790
JB		 15358 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15359 NL80211_FLAG_NEED_RTNL |
15360 NL80211_FLAG_NO_WIPHY_MTX,
463d0183 15361 },
61fa713c
HS		 15362 {
15363 .cmd = NL80211_CMD_GET_SURVEY,
ef6243ac 15364 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
61fa713c
HS		 15365 .dumpit = nl80211_dump_survey,
15366 },
67fbb16b
SO		 15367 {
15368 .cmd = NL80211_CMD_SET_PMKSA,
ef6243ac 15369 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 15370 .doit = nl80211_setdel_pmksa,
5617c6cd 15371 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 15372 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
a05829a7 15373 0 |
d6db02a8 15374 NL80211_FLAG_CLEAR_SKB,
67fbb16b
SO		 15375 },
15376 {
15377 .cmd = NL80211_CMD_DEL_PMKSA,
ef6243ac 15378 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 15379 .doit = nl80211_setdel_pmksa,
5617c6cd 15380 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15381 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
67fbb16b
SO		 15382 },
15383 {
15384 .cmd = NL80211_CMD_FLUSH_PMKSA,
ef6243ac 15385 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 15386 .doit = nl80211_flush_pmksa,
5617c6cd 15387 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15388 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
67fbb16b 15389 },
9588bbd5
JM		 15390 {
15391 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
ef6243ac 15392 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 15393 .doit = nl80211_remain_on_channel,
5617c6cd 15394 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15395 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
9588bbd5
JM		 15396 },
15397 {
15398 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
ef6243ac 15399 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 15400 .doit = nl80211_cancel_remain_on_channel,
5617c6cd 15401 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15402 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
9588bbd5 15403 },
13ae75b1
JM		 15404 {
15405 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
ef6243ac 15406 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13ae75b1 15407 .doit = nl80211_set_tx_bitrate_mask,
5617c6cd 15408 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15409 .internal_flags = NL80211_FLAG_NEED_NETDEV,
13ae75b1 15410 },
026331c4 15411 {
2e161f78 15412 .cmd = NL80211_CMD_REGISTER_FRAME,
ef6243ac 15413 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 15414 .doit = nl80211_register_mgmt,
5617c6cd 15415 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15416 .internal_flags = NL80211_FLAG_NEED_WDEV,
026331c4
JM		 15417 },
15418 {
2e161f78 15419 .cmd = NL80211_CMD_FRAME,
ef6243ac 15420 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 15421 .doit = nl80211_tx_mgmt,
5617c6cd 15422 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15423 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
f7ca38df
JB		 15424 },
15425 {
15426 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
ef6243ac 15427 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f7ca38df 15428 .doit = nl80211_tx_mgmt_cancel_wait,
5617c6cd 15429 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15430 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
026331c4 15431 },
ffb9eb3d
KV		 15432 {
15433 .cmd = NL80211_CMD_SET_POWER_SAVE,
ef6243ac 15434 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 15435 .doit = nl80211_set_power_save,
5617c6cd 15436 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15437 .internal_flags = NL80211_FLAG_NEED_NETDEV,
ffb9eb3d
KV		 15438 },
15439 {
15440 .cmd = NL80211_CMD_GET_POWER_SAVE,
ef6243ac 15441 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 15442 .doit = nl80211_get_power_save,
ffb9eb3d 15443 /* can be retrieved by unprivileged users */
a05829a7 15444 .internal_flags = NL80211_FLAG_NEED_NETDEV,
ffb9eb3d 15445 },
d6dc1a38
JO		 15446 {
15447 .cmd = NL80211_CMD_SET_CQM,
ef6243ac 15448 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
d6dc1a38 15449 .doit = nl80211_set_cqm,
5617c6cd 15450 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15451 .internal_flags = NL80211_FLAG_NEED_NETDEV,
d6dc1a38 15452 },
f444de05
JB		 15453 {
15454 .cmd = NL80211_CMD_SET_CHANNEL,
ef6243ac 15455 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f444de05 15456 .doit = nl80211_set_channel,
5617c6cd 15457 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15458 .internal_flags = NL80211_FLAG_NEED_NETDEV,
f444de05 15459 },
29cbe68c
JB		 15460 {
15461 .cmd = NL80211_CMD_JOIN_MESH,
ef6243ac 15462 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 15463 .doit = nl80211_join_mesh,
5617c6cd 15464 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15465 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
29cbe68c
JB		 15466 },
15467 {
15468 .cmd = NL80211_CMD_LEAVE_MESH,
ef6243ac 15469 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 15470 .doit = nl80211_leave_mesh,
5617c6cd 15471 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15472 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
29cbe68c 15473 },
6e0bd6c3
RL		 15474 {
15475 .cmd = NL80211_CMD_JOIN_OCB,
ef6243ac 15476 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 15477 .doit = nl80211_join_ocb,
5617c6cd 15478 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15479 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
6e0bd6c3
RL		 15480 },
15481 {
15482 .cmd = NL80211_CMD_LEAVE_OCB,
ef6243ac 15483 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 15484 .doit = nl80211_leave_ocb,
5617c6cd 15485 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15486 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
6e0bd6c3 15487 },
dfb89c56 15488#ifdef CONFIG_PM
ff1b6e69
JB		 15489 {
15490 .cmd = NL80211_CMD_GET_WOWLAN,
ef6243ac 15491 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 15492 .doit = nl80211_get_wowlan,
ff1b6e69 15493 /* can be retrieved by unprivileged users */
a05829a7 15494 .internal_flags = NL80211_FLAG_NEED_WIPHY,
ff1b6e69
JB		 15495 },
15496 {
15497 .cmd = NL80211_CMD_SET_WOWLAN,
ef6243ac 15498 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 15499 .doit = nl80211_set_wowlan,
5617c6cd 15500 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15501 .internal_flags = NL80211_FLAG_NEED_WIPHY,
ff1b6e69 15502 },
dfb89c56 15503#endif
e5497d76
JB		 15504 {
15505 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
ef6243ac 15506 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e5497d76 15507 .doit = nl80211_set_rekey_data,
5617c6cd 15508 .flags = GENL_UNS_ADMIN_PERM,
e5497d76 15509 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
a05829a7 15510 0 |
5393b917 15511 NL80211_FLAG_CLEAR_SKB,
e5497d76 15512 },
109086ce
AN		 15513 {
15514 .cmd = NL80211_CMD_TDLS_MGMT,
ef6243ac 15515 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 15516 .doit = nl80211_tdls_mgmt,
5617c6cd 15517 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15518 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
109086ce
AN		 15519 },
15520 {
15521 .cmd = NL80211_CMD_TDLS_OPER,
ef6243ac 15522 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 15523 .doit = nl80211_tdls_oper,
5617c6cd 15524 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15525 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
109086ce 15526 },
28946da7
JB		 15527 {
15528 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
ef6243ac 15529 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
28946da7 15530 .doit = nl80211_register_unexpected_frame,
5617c6cd 15531 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15532 .internal_flags = NL80211_FLAG_NEED_NETDEV,
28946da7 15533 },
7f6cf311
JB		 15534 {
15535 .cmd = NL80211_CMD_PROBE_CLIENT,
ef6243ac 15536 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
7f6cf311 15537 .doit = nl80211_probe_client,
5617c6cd 15538 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15539 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
7f6cf311 15540 },
5e760230
JB		 15541 {
15542 .cmd = NL80211_CMD_REGISTER_BEACONS,
ef6243ac 15543 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5e760230 15544 .doit = nl80211_register_beacons,
5617c6cd 15545 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15546 .internal_flags = NL80211_FLAG_NEED_WIPHY,
5e760230 15547 },
1d9d9213
SW		 15548 {
15549 .cmd = NL80211_CMD_SET_NOACK_MAP,
ef6243ac 15550 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1d9d9213 15551 .doit = nl80211_set_noack_map,
5617c6cd 15552 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15553 .internal_flags = NL80211_FLAG_NEED_NETDEV,
1d9d9213 15554 },
98104fde
JB		 15555 {
15556 .cmd = NL80211_CMD_START_P2P_DEVICE,
ef6243ac 15557 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 15558 .doit = nl80211_start_p2p_device,
5617c6cd 15559 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 15560 .internal_flags = NL80211_FLAG_NEED_WDEV |
15561 NL80211_FLAG_NEED_RTNL,
15562 },
15563 {
15564 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
ef6243ac 15565 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 15566 .doit = nl80211_stop_p2p_device,
5617c6cd 15567 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 15568 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15569 NL80211_FLAG_NEED_RTNL,
cb3b7d87
AB		 15570 },
15571 {
15572 .cmd = NL80211_CMD_START_NAN,
ef6243ac 15573 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 15574 .doit = nl80211_start_nan,
cb3b7d87
AB		 15575 .flags = GENL_ADMIN_PERM,
15576 .internal_flags = NL80211_FLAG_NEED_WDEV |
15577 NL80211_FLAG_NEED_RTNL,
15578 },
15579 {
15580 .cmd = NL80211_CMD_STOP_NAN,
ef6243ac 15581 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 15582 .doit = nl80211_stop_nan,
cb3b7d87
AB		 15583 .flags = GENL_ADMIN_PERM,
15584 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15585 NL80211_FLAG_NEED_RTNL,
a442b761
AB		 15586 },
15587 {
15588 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
ef6243ac 15589 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 15590 .doit = nl80211_nan_add_func,
a442b761 15591 .flags = GENL_ADMIN_PERM,
a05829a7 15592 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
a442b761
AB		 15593 },
15594 {
15595 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
ef6243ac 15596 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 15597 .doit = nl80211_nan_del_func,
a442b761 15598 .flags = GENL_ADMIN_PERM,
a05829a7 15599 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
a5a9dcf2
AB		 15600 },
15601 {
15602 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
ef6243ac 15603 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a5a9dcf2 15604 .doit = nl80211_nan_change_config,
a5a9dcf2 15605 .flags = GENL_ADMIN_PERM,
a05829a7 15606 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
98104fde 15607 },
f4e583c8
AQ		 15608 {
15609 .cmd = NL80211_CMD_SET_MCAST_RATE,
ef6243ac 15610 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f4e583c8 15611 .doit = nl80211_set_mcast_rate,
5617c6cd 15612 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15613 .internal_flags = NL80211_FLAG_NEED_NETDEV,
77765eaf
VT		 15614 },
15615 {
15616 .cmd = NL80211_CMD_SET_MAC_ACL,
ef6243ac 15617 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
77765eaf 15618 .doit = nl80211_set_mac_acl,
5617c6cd 15619 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15620 .internal_flags = NL80211_FLAG_NEED_NETDEV,
f4e583c8 15621 },
04f39047
SW		 15622 {
15623 .cmd = NL80211_CMD_RADAR_DETECT,
ef6243ac 15624 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04f39047 15625 .doit = nl80211_start_radar_detection,
5617c6cd 15626 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15627 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
04f39047 15628 },
3713b4e3
JB		 15629 {
15630 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
ef6243ac 15631 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3713b4e3 15632 .doit = nl80211_get_protocol_features,
3713b4e3 15633 },
355199e0
JM		 15634 {
15635 .cmd = NL80211_CMD_UPDATE_FT_IES,
ef6243ac 15636 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
355199e0 15637 .doit = nl80211_update_ft_ies,
5617c6cd 15638 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15639 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
355199e0 15640 },
5de17984
AS		 15641 {
15642 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
ef6243ac 15643 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 15644 .doit = nl80211_crit_protocol_start,
5617c6cd 15645 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15646 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
5de17984
AS		 15647 },
15648 {
15649 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
ef6243ac 15650 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 15651 .doit = nl80211_crit_protocol_stop,
5617c6cd 15652 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15653 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
be29b99a
AK		 15654 },
15655 {
15656 .cmd = NL80211_CMD_GET_COALESCE,
ef6243ac 15657 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 15658 .doit = nl80211_get_coalesce,
a05829a7 15659 .internal_flags = NL80211_FLAG_NEED_WIPHY,
be29b99a
AK		 15660 },
15661 {
15662 .cmd = NL80211_CMD_SET_COALESCE,
ef6243ac 15663 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 15664 .doit = nl80211_set_coalesce,
5617c6cd 15665 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15666 .internal_flags = NL80211_FLAG_NEED_WIPHY,
16ef1fe2
SW		 15667 },
15668 {
15669 .cmd = NL80211_CMD_CHANNEL_SWITCH,
ef6243ac 15670 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16ef1fe2 15671 .doit = nl80211_channel_switch,
5617c6cd 15672 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15673 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16ef1fe2 15674 },
ad7e718c
JB		 15675 {
15676 .cmd = NL80211_CMD_VENDOR,
ef6243ac 15677 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad7e718c 15678 .doit = nl80211_vendor_cmd,
7bdbe400 15679 .dumpit = nl80211_vendor_cmd_dump,
5617c6cd 15680 .flags = GENL_UNS_ADMIN_PERM,
ad7e718c 15681 .internal_flags = NL80211_FLAG_NEED_WIPHY |
a05829a7 15682 0 |
d6db02a8 15683 NL80211_FLAG_CLEAR_SKB,
ad7e718c 15684 },
fa9ffc74
KP		 15685 {
15686 .cmd = NL80211_CMD_SET_QOS_MAP,
ef6243ac 15687 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
fa9ffc74 15688 .doit = nl80211_set_qos_map,
5617c6cd 15689 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15690 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
fa9ffc74 15691 },
960d01ac
JB		 15692 {
15693 .cmd = NL80211_CMD_ADD_TX_TS,
ef6243ac 15694 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 15695 .doit = nl80211_add_tx_ts,
5617c6cd 15696 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15697 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
960d01ac
JB		 15698 },
15699 {
15700 .cmd = NL80211_CMD_DEL_TX_TS,
ef6243ac 15701 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 15702 .doit = nl80211_del_tx_ts,
5617c6cd 15703 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15704 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
960d01ac 15705 },
1057d35e
AN		 15706 {
15707 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
ef6243ac 15708 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 15709 .doit = nl80211_tdls_channel_switch,
5617c6cd 15710 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15711 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
1057d35e
AN		 15712 },
15713 {
15714 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
ef6243ac 15715 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 15716 .doit = nl80211_tdls_cancel_channel_switch,
5617c6cd 15717 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15718 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
1057d35e 15719 },
ce0ce13a
MB		 15720 {
15721 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
ef6243ac 15722 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ce0ce13a 15723 .doit = nl80211_set_multicast_to_unicast,
ce0ce13a 15724 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15725 .internal_flags = NL80211_FLAG_NEED_NETDEV,
ce0ce13a 15726 },
3a00df57
AS		 15727 {
15728 .cmd = NL80211_CMD_SET_PMK,
ef6243ac 15729 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 15730 .doit = nl80211_set_pmk,
3a00df57 15731 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
a05829a7 15732 0 |
d6db02a8 15733 NL80211_FLAG_CLEAR_SKB,
3a00df57
AS		 15734 },
15735 {
15736 .cmd = NL80211_CMD_DEL_PMK,
ef6243ac 15737 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 15738 .doit = nl80211_del_pmk,
a05829a7 15739 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
3a00df57 15740 },
40cbfa90
SD		 15741 {
15742 .cmd = NL80211_CMD_EXTERNAL_AUTH,
ef6243ac 15743 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
40cbfa90 15744 .doit = nl80211_external_auth,
40cbfa90 15745 .flags = GENL_ADMIN_PERM,
a05829a7 15746 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
40cbfa90 15747 },
2576a9ac
DK		 15748 {
15749 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
ef6243ac 15750 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2576a9ac 15751 .doit = nl80211_tx_control_port,
2576a9ac 15752 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15753 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
2576a9ac 15754 },
81e54d08
PKC		 15755 {
15756 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
ef6243ac 15757 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
81e54d08 15758 .doit = nl80211_get_ftm_responder_stats,
a05829a7 15759 .internal_flags = NL80211_FLAG_NEED_NETDEV,
81e54d08 15760 },
9bb7e0f2
JB		 15761 {
15762 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
ef6243ac 15763 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9bb7e0f2 15764 .doit = nl80211_pmsr_start,
9bb7e0f2 15765 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15766 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
9bb7e0f2 15767 },
30c63115
S		 15768 {
15769 .cmd = NL80211_CMD_NOTIFY_RADAR,
ef6243ac 15770 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
30c63115 15771 .doit = nl80211_notify_radar_detection,
30c63115 15772 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15773 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
30c63115 15774 },
cb74e977
SD		 15775 {
15776 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15777 .doit = nl80211_update_owe_info,
15778 .flags = GENL_ADMIN_PERM,
a05829a7 15779 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
5ab92e7f
RM		 15780 },
15781 {
15782 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15783 .doit = nl80211_probe_mesh_link,
15784 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15785 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
cb74e977 15786 },
77f576de
T		 15787 {
15788 .cmd = NL80211_CMD_SET_TID_CONFIG,
15789 .doit = nl80211_set_tid_config,
15790 .flags = GENL_UNS_ADMIN_PERM,
a05829a7 15791 .internal_flags = NL80211_FLAG_NEED_NETDEV,
77f576de 15792 },
6bdb68ce
CH		 15793 {
15794 .cmd = NL80211_CMD_SET_SAR_SPECS,
15795 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15796 .doit = nl80211_set_sar_specs,
15797 .flags = GENL_UNS_ADMIN_PERM,
15798 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15799 NL80211_FLAG_NEED_RTNL,
15800 },
55682965 15801};
9588bbd5 15802
56989f6d 15803static struct genl_family nl80211_fam __ro_after_init = {
489111e5
JB		 15804 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15805 .hdrsize = 0, /* no private header */
15806 .version = 1, /* no particular meaning now */
15807 .maxattr = NL80211_ATTR_MAX,
3b0f31f2 15808 .policy = nl80211_policy,
489111e5
JB		 15809 .netnsok = true,
15810 .pre_doit = nl80211_pre_doit,
15811 .post_doit = nl80211_post_doit,
15812 .module = THIS_MODULE,
15813 .ops = nl80211_ops,
15814 .n_ops = ARRAY_SIZE(nl80211_ops),
66a9b928
JK		 15815 .small_ops = nl80211_small_ops,
15816 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
489111e5
JB		 15817 .mcgrps = nl80211_mcgrps,
15818 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
50508d94 15819 .parallel_ops = true,
489111e5
JB		 15820};
15821
55682965
JB		 15822/* notification functions */
15823
3bb20556
JB		 15824void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15825 enum nl80211_commands cmd)
55682965
JB		 15826{
15827 struct sk_buff *msg;
86e8cf98 15828 struct nl80211_dump_wiphy_state state = {};
55682965 15829
3bb20556
JB		 15830 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15831 cmd != NL80211_CMD_DEL_WIPHY);
15832
fd2120ca 15833 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965
JB		 15834 if (!msg)
15835 return;
15836
3bb20556 15837 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
55682965
JB		 15838 nlmsg_free(msg);
15839 return;
15840 }
15841
68eb5503 15842 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15843 NL80211_MCGRP_CONFIG, GFP_KERNEL);
55682965
JB		 15844}
15845
896ff063
DK		 15846void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15847 struct wireless_dev *wdev,
15848 enum nl80211_commands cmd)
15849{
15850 struct sk_buff *msg;
15851
896ff063
DK		 15852 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15853 if (!msg)
15854 return;
15855
3d1a5bbf 15856 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
896ff063
DK		 15857 nlmsg_free(msg);
15858 return;
15859 }
15860
15861 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15862 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15863}
15864
362a415d
JB		 15865static int nl80211_add_scan_req(struct sk_buff *msg,
15866 struct cfg80211_registered_device *rdev)
15867{
15868 struct cfg80211_scan_request *req = rdev->scan_req;
15869 struct nlattr *nest;
15870 int i;
c8cb5b85 15871 struct cfg80211_scan_info *info;
362a415d
JB		 15872
15873 if (WARN_ON(!req))
15874 return 0;
15875
ae0be8de 15876 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
362a415d
JB		 15877 if (!nest)
15878 goto nla_put_failure;
9360ffd1
DM		 15879 for (i = 0; i < req->n_ssids; i++) {
15880 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
15881 goto nla_put_failure;
15882 }
362a415d
JB		 15883 nla_nest_end(msg, nest);
15884
2032f3b2
TP		 15885 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
15886 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
15887 if (!nest)
15888 goto nla_put_failure;
15889 for (i = 0; i < req->n_channels; i++) {
15890 if (nla_put_u32(msg, i,
15891 ieee80211_channel_to_khz(req->channels[i])))
15892 goto nla_put_failure;
15893 }
15894 nla_nest_end(msg, nest);
15895 } else {
15896 nest = nla_nest_start_noflag(msg,
15897 NL80211_ATTR_SCAN_FREQUENCIES);
15898 if (!nest)
9360ffd1 15899 goto nla_put_failure;
2032f3b2
TP		 15900 for (i = 0; i < req->n_channels; i++) {
15901 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
15902 goto nla_put_failure;
15903 }
15904 nla_nest_end(msg, nest);
9360ffd1 15905 }
362a415d 15906
9360ffd1
DM		 15907 if (req->ie &&
15908 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
15909 goto nla_put_failure;
362a415d 15910
ae917c9f
JB		 15911 if (req->flags &&
15912 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
15913 goto nla_put_failure;
ed473771 15914
c8cb5b85
TM		 15915 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
15916 &rdev->scan_req->info;
15917 if (info->scan_start_tsf &&
1d76250b 15918 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
c8cb5b85 15919 info->scan_start_tsf, NL80211_BSS_PAD) ||
1d76250b 15920 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
c8cb5b85 15921 info->tsf_bssid)))
1d76250b
AS		 15922 goto nla_put_failure;
15923
362a415d
JB		 15924 return 0;
15925 nla_put_failure:
15926 return -ENOBUFS;
15927}
15928
505a2e88 15929static int nl80211_prep_scan_msg(struct sk_buff *msg,
a538e2d5 15930 struct cfg80211_registered_device *rdev,
fd014284 15931 struct wireless_dev *wdev,
15e47304 15932 u32 portid, u32 seq, int flags,
a538e2d5 15933 u32 cmd)
2a519311
JB		 15934{
15935 void *hdr;
15936
15e47304 15937 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2a519311
JB		 15938 if (!hdr)
15939 return -1;
15940
9360ffd1 15941 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
fd014284
JB		 15942 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15943 wdev->netdev->ifindex)) ||
2dad624e
ND		 15944 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15945 NL80211_ATTR_PAD))
9360ffd1 15946 goto nla_put_failure;
2a519311 15947
362a415d
JB		 15948 /* ignore errors and send incomplete event anyway */
15949 nl80211_add_scan_req(msg, rdev);
2a519311 15950
053c095a
JB		 15951 genlmsg_end(msg, hdr);
15952 return 0;
2a519311
JB		 15953
15954 nla_put_failure:
15955 genlmsg_cancel(msg, hdr);
15956 return -EMSGSIZE;
15957}
15958
807f8a8c 15959static int
505a2e88 15960nl80211_prep_sched_scan_msg(struct sk_buff *msg,
96b08fd6 15961 struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 15962{
15963 void *hdr;
15964
96b08fd6 15965 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
807f8a8c
LC		 15966 if (!hdr)
15967 return -1;
15968
96b08fd6
AVS		 15969 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
15970 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
15971 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
15972 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
15973 NL80211_ATTR_PAD))
9360ffd1 15974 goto nla_put_failure;
807f8a8c 15975
053c095a
JB		 15976 genlmsg_end(msg, hdr);
15977 return 0;
807f8a8c
LC		 15978
15979 nla_put_failure:
15980 genlmsg_cancel(msg, hdr);
15981 return -EMSGSIZE;
15982}
15983
a538e2d5 15984void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
fd014284 15985 struct wireless_dev *wdev)
a538e2d5
JB		 15986{
15987 struct sk_buff *msg;
15988
58050fce 15989 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
a538e2d5
JB		 15990 if (!msg)
15991 return;
15992
505a2e88 15993 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
a538e2d5
JB		 15994 NL80211_CMD_TRIGGER_SCAN) < 0) {
15995 nlmsg_free(msg);
15996 return;
15997 }
15998
68eb5503 15999 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16000 NL80211_MCGRP_SCAN, GFP_KERNEL);
a538e2d5
JB		 16001}
16002
f9d15d16
JB		 16003struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
16004 struct wireless_dev *wdev, bool aborted)
2a519311
JB		 16005{
16006 struct sk_buff *msg;
16007
fd2120ca 16008 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2a519311 16009 if (!msg)
f9d15d16 16010 return NULL;
2a519311 16011
505a2e88 16012 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
f9d15d16
JB		 16013 aborted ? NL80211_CMD_SCAN_ABORTED :
16014 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
2a519311 16015 nlmsg_free(msg);
f9d15d16 16016 return NULL;
2a519311
JB		 16017 }
16018
f9d15d16 16019 return msg;
2a519311
JB		 16020}
16021
505a2e88
AVS		 16022/* send message created by nl80211_build_scan_msg() */
16023void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
16024 struct sk_buff *msg)
807f8a8c 16025{
807f8a8c
LC		 16026 if (!msg)
16027 return;
16028
68eb5503 16029 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16030 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 16031}
16032
96b08fd6 16033void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 16034{
16035 struct sk_buff *msg;
16036
58050fce 16037 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
807f8a8c
LC		 16038 if (!msg)
16039 return;
16040
96b08fd6 16041 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
807f8a8c
LC		 16042 nlmsg_free(msg);
16043 return;
16044 }
16045
96b08fd6 16046 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
2a94fe48 16047 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 16048}
16049
b0d7aa59
JD		 16050static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
16051 struct regulatory_request *request)
73d54c9e 16052{
73d54c9e 16053 /* Userspace can always count this one always being set */
9360ffd1
DM		 16054 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
16055 goto nla_put_failure;
16056
16057 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
16058 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16059 NL80211_REGDOM_TYPE_WORLD))
16060 goto nla_put_failure;
16061 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
16062 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16063 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
16064 goto nla_put_failure;
16065 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
16066 request->intersect) {
16067 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16068 NL80211_REGDOM_TYPE_INTERSECTION))
16069 goto nla_put_failure;
16070 } else {
16071 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16072 NL80211_REGDOM_TYPE_COUNTRY) ||
16073 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
16074 request->alpha2))
16075 goto nla_put_failure;
16076 }
16077
ad30ca2c
AN		 16078 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
16079 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
16080
16081 if (wiphy &&
16082 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
16083 goto nla_put_failure;
1bdd716c
AN		 16084
16085 if (wiphy &&
16086 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
16087 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
16088 goto nla_put_failure;
ad30ca2c 16089 }
73d54c9e 16090
b0d7aa59
JD		 16091 return true;
16092
16093nla_put_failure:
16094 return false;
16095}
16096
16097/*
16098 * This can happen on global regulatory changes or device specific settings
16099 * based on custom regulatory domains.
16100 */
16101void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
16102 struct regulatory_request *request)
16103{
16104 struct sk_buff *msg;
16105 void *hdr;
16106
16107 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16108 if (!msg)
16109 return;
16110
16111 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
24f6d765 16112 if (!hdr)
16113 goto nla_put_failure;
b0d7aa59 16114
24f6d765 16115 if (!nl80211_reg_change_event_fill(msg, request))
b0d7aa59
JD		 16116 goto nla_put_failure;
16117
3b7b72ee 16118 genlmsg_end(msg, hdr);
73d54c9e 16119
bc43b28c 16120 rcu_read_lock();
68eb5503 16121 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 16122 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
bc43b28c 16123 rcu_read_unlock();
73d54c9e
LR		 16124
16125 return;
16126
16127nla_put_failure:
73d54c9e
LR		 16128 nlmsg_free(msg);
16129}
16130
6039f6d2
JM		 16131static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
16132 struct net_device *netdev,
16133 const u8 *buf, size_t len,
b0b6aa2c 16134 enum nl80211_commands cmd, gfp_t gfp,
4d9ec73d 16135 int uapsd_queues, const u8 *req_ies,
3bb02143 16136 size_t req_ies_len, bool reconnect)
6039f6d2
JM		 16137{
16138 struct sk_buff *msg;
16139 void *hdr;
16140
4d9ec73d 16141 msg = nlmsg_new(100 + len + req_ies_len, gfp);
6039f6d2
JM		 16142 if (!msg)
16143 return;
16144
16145 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16146 if (!hdr) {
16147 nlmsg_free(msg);
16148 return;
16149 }
16150
9360ffd1
DM		 16151 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16152 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
4d9ec73d
JM		 16153 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16154 (req_ies &&
16155 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
9360ffd1 16156 goto nla_put_failure;
6039f6d2 16157
3bb02143
JB		 16158 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
16159 goto nla_put_failure;
16160
b0b6aa2c
EP		 16161 if (uapsd_queues >= 0) {
16162 struct nlattr *nla_wmm =
ae0be8de 16163 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
b0b6aa2c
EP		 16164 if (!nla_wmm)
16165 goto nla_put_failure;
16166
16167 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
16168 uapsd_queues))
16169 goto nla_put_failure;
16170
16171 nla_nest_end(msg, nla_wmm);
16172 }
16173
3b7b72ee 16174 genlmsg_end(msg, hdr);
6039f6d2 16175
68eb5503 16176 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16177 NL80211_MCGRP_MLME, gfp);
6039f6d2
JM		 16178 return;
16179
16180 nla_put_failure:
6039f6d2
JM		 16181 nlmsg_free(msg);
16182}
16183
16184void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 16185 struct net_device *netdev, const u8 *buf,
16186 size_t len, gfp_t gfp)
6039f6d2
JM		 16187{
16188 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 16189 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
16190 false);
6039f6d2
JM		 16191}
16192
16193void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
16194 struct net_device *netdev, const u8 *buf,
4d9ec73d
JM		 16195 size_t len, gfp_t gfp, int uapsd_queues,
16196 const u8 *req_ies, size_t req_ies_len)
6039f6d2 16197{
e6d6e342 16198 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 16199 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
3bb02143 16200 req_ies, req_ies_len, false);
6039f6d2
JM		 16201}
16202
53b46b84 16203void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
e6d6e342 16204 struct net_device *netdev, const u8 *buf,
3bb02143 16205 size_t len, bool reconnect, gfp_t gfp)
6039f6d2
JM		 16206{
16207 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 16208 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
16209 reconnect);
6039f6d2
JM		 16210}
16211
53b46b84
JM		 16212void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
16213 struct net_device *netdev, const u8 *buf,
3bb02143 16214 size_t len, bool reconnect, gfp_t gfp)
6039f6d2
JM		 16215{
16216 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 16217 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
16218 reconnect);
6039f6d2
JM		 16219}
16220
6ff57cf8
JB		 16221void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
16222 size_t len)
cf4e594e 16223{
947add36
JB		 16224 struct wireless_dev *wdev = dev->ieee80211_ptr;
16225 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16226 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
6ff57cf8
JB		 16227 const struct ieee80211_mgmt *mgmt = (void *)buf;
16228 u32 cmd;
947add36 16229
6ff57cf8
JB		 16230 if (WARN_ON(len < 2))
16231 return;
cf4e594e 16232
4d797fce 16233 if (ieee80211_is_deauth(mgmt->frame_control)) {
6ff57cf8 16234 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
4d797fce 16235 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
6ff57cf8 16236 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
4d797fce
JM		 16237 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
16238 if (wdev->unprot_beacon_reported &&
16239 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
16240 return;
16241 cmd = NL80211_CMD_UNPROT_BEACON;
16242 wdev->unprot_beacon_reported = jiffies;
16243 } else {
16244 return;
16245 }
947add36 16246
6ff57cf8 16247 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
4d9ec73d 16248 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
3bb02143 16249 NULL, 0, false);
cf4e594e 16250}
6ff57cf8 16251EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
cf4e594e 16252
1b06bb40
LR		 16253static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16254 struct net_device *netdev, int cmd,
e6d6e342 16255 const u8 *addr, gfp_t gfp)
1965c853
JM		 16256{
16257 struct sk_buff *msg;
16258 void *hdr;
16259
e6d6e342 16260 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
1965c853
JM		 16261 if (!msg)
16262 return;
16263
16264 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16265 if (!hdr) {
16266 nlmsg_free(msg);
16267 return;
16268 }
16269
9360ffd1
DM		 16270 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16271 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16272 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16273 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16274 goto nla_put_failure;
1965c853 16275
3b7b72ee 16276 genlmsg_end(msg, hdr);
1965c853 16277
68eb5503 16278 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16279 NL80211_MCGRP_MLME, gfp);
1965c853
JM		 16280 return;
16281
16282 nla_put_failure:
1965c853
JM		 16283 nlmsg_free(msg);
16284}
16285
16286void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 16287 struct net_device *netdev, const u8 *addr,
16288 gfp_t gfp)
1965c853
JM		 16289{
16290 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
e6d6e342 16291 addr, gfp);
1965c853
JM		 16292}
16293
16294void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 16295 struct net_device *netdev, const u8 *addr,
16296 gfp_t gfp)
1965c853 16297{
e6d6e342
JB		 16298 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16299 addr, gfp);
1965c853
JM		 16300}
16301
b23aa676 16302void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
5349a0f7
VK		 16303 struct net_device *netdev,
16304 struct cfg80211_connect_resp_params *cr,
3093ebbe 16305 gfp_t gfp)
b23aa676
SO		 16306{
16307 struct sk_buff *msg;
16308 void *hdr;
16309
a3caf744 16310 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
76804d28
AVS		 16311 cr->fils.kek_len + cr->fils.pmk_len +
16312 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 16313 if (!msg)
16314 return;
16315
16316 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16317 if (!hdr) {
16318 nlmsg_free(msg);
16319 return;
16320 }
16321
9360ffd1
DM		 16322 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16323 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
5349a0f7
VK		 16324 (cr->bssid &&
16325 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
bf1ecd21 16326 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
5349a0f7
VK		 16327 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16328 cr->status) ||
16329 (cr->status < 0 &&
3093ebbe 16330 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
5349a0f7
VK		 16331 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16332 cr->timeout_reason))) ||
16333 (cr->req_ie &&
16334 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16335 (cr->resp_ie &&
16336 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
a3caf744 16337 cr->resp_ie)) ||
76804d28 16338 (cr->fils.update_erp_next_seq_num &&
a3caf744 16339 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
76804d28 16340 cr->fils.erp_next_seq_num)) ||
a3caf744 16341 (cr->status == WLAN_STATUS_SUCCESS &&
76804d28
AVS		 16342 ((cr->fils.kek &&
16343 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16344 cr->fils.kek)) ||
16345 (cr->fils.pmk &&
16346 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16347 (cr->fils.pmkid &&
16348 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
9360ffd1 16349 goto nla_put_failure;
b23aa676 16350
3b7b72ee 16351 genlmsg_end(msg, hdr);
b23aa676 16352
68eb5503 16353 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16354 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 16355 return;
16356
16357 nla_put_failure:
b23aa676 16358 nlmsg_free(msg);
b23aa676
SO		 16359}
16360
16361void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
29ce6ecb
AS		 16362 struct net_device *netdev,
16363 struct cfg80211_roam_info *info, gfp_t gfp)
b23aa676
SO		 16364{
16365 struct sk_buff *msg;
16366 void *hdr;
29ce6ecb 16367 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
b23aa676 16368
e841b7b1
AVS		 16369 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16370 info->fils.kek_len + info->fils.pmk_len +
16371 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 16372 if (!msg)
16373 return;
16374
16375 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16376 if (!hdr) {
16377 nlmsg_free(msg);
16378 return;
16379 }
16380
9360ffd1
DM		 16381 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16382 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16383 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
29ce6ecb
AS		 16384 (info->req_ie &&
16385 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16386 info->req_ie)) ||
16387 (info->resp_ie &&
16388 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
e841b7b1
AVS		 16389 info->resp_ie)) ||
16390 (info->fils.update_erp_next_seq_num &&
16391 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16392 info->fils.erp_next_seq_num)) ||
16393 (info->fils.kek &&
16394 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16395 info->fils.kek)) ||
16396 (info->fils.pmk &&
16397 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16398 (info->fils.pmkid &&
16399 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
9360ffd1 16400 goto nla_put_failure;
b23aa676 16401
3b7b72ee 16402 genlmsg_end(msg, hdr);
b23aa676 16403
68eb5503 16404 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16405 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 16406 return;
16407
503c1fb9 16408 nla_put_failure:
503c1fb9
AS		 16409 nlmsg_free(msg);
16410}
16411
16412void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16413 struct net_device *netdev, const u8 *bssid)
16414{
16415 struct sk_buff *msg;
16416 void *hdr;
16417
16418 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16419 if (!msg)
16420 return;
16421
16422 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16423 if (!hdr) {
16424 nlmsg_free(msg);
16425 return;
16426 }
16427
f4d75993
CHH		 16428 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16429 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16430 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
503c1fb9
AS		 16431 goto nla_put_failure;
16432
16433 genlmsg_end(msg, hdr);
16434
16435 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16436 NL80211_MCGRP_MLME, GFP_KERNEL);
16437 return;
16438
b23aa676 16439 nla_put_failure:
b23aa676 16440 nlmsg_free(msg);
b23aa676
SO		 16441}
16442
16443void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16444 struct net_device *netdev, u16 reason,
667503dd 16445 const u8 *ie, size_t ie_len, bool from_ap)
b23aa676
SO		 16446{
16447 struct sk_buff *msg;
16448 void *hdr;
16449
4ef8c1c9 16450 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
b23aa676
SO		 16451 if (!msg)
16452 return;
16453
16454 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16455 if (!hdr) {
16456 nlmsg_free(msg);
16457 return;
16458 }
16459
9360ffd1
DM		 16460 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16461 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
86b6c465 16462 (reason &&
9360ffd1
DM		 16463 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16464 (from_ap &&
16465 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16466 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16467 goto nla_put_failure;
b23aa676 16468
3b7b72ee 16469 genlmsg_end(msg, hdr);
b23aa676 16470
68eb5503 16471 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16472 NL80211_MCGRP_MLME, GFP_KERNEL);
b23aa676
SO		 16473 return;
16474
16475 nla_put_failure:
b23aa676 16476 nlmsg_free(msg);
b23aa676
SO		 16477}
16478
04a773ad
JB		 16479void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16480 struct net_device *netdev, const u8 *bssid,
16481 gfp_t gfp)
16482{
16483 struct sk_buff *msg;
16484 void *hdr;
16485
fd2120ca 16486 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
04a773ad
JB		 16487 if (!msg)
16488 return;
16489
16490 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16491 if (!hdr) {
16492 nlmsg_free(msg);
16493 return;
16494 }
16495
9360ffd1
DM		 16496 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16497 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16498 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16499 goto nla_put_failure;
04a773ad 16500
3b7b72ee 16501 genlmsg_end(msg, hdr);
04a773ad 16502
68eb5503 16503 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16504 NL80211_MCGRP_MLME, gfp);
04a773ad
JB		 16505 return;
16506
16507 nla_put_failure:
04a773ad
JB		 16508 nlmsg_free(msg);
16509}
16510
947add36 16511void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
ecbc12ad
BC		 16512 const u8 *ie, u8 ie_len,
16513 int sig_dbm, gfp_t gfp)
c93b5e71 16514{
947add36 16515 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16516 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
c93b5e71
JC		 16517 struct sk_buff *msg;
16518 void *hdr;
16519
947add36
JB		 16520 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
16521 return;
16522
16523 trace_cfg80211_notify_new_peer_candidate(dev, addr);
16524
4ef8c1c9 16525 msg = nlmsg_new(100 + ie_len, gfp);
c93b5e71
JC		 16526 if (!msg)
16527 return;
16528
16529 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
16530 if (!hdr) {
16531 nlmsg_free(msg);
16532 return;
16533 }
16534
9360ffd1 16535 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36
JB		 16536 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16537 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9360ffd1 16538 (ie_len && ie &&
ecbc12ad
BC		 16539 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
16540 (sig_dbm &&
16541 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
9360ffd1 16542 goto nla_put_failure;
c93b5e71 16543
3b7b72ee 16544 genlmsg_end(msg, hdr);
c93b5e71 16545
68eb5503 16546 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16547 NL80211_MCGRP_MLME, gfp);
c93b5e71
JC		 16548 return;
16549
16550 nla_put_failure:
c93b5e71
JC		 16551 nlmsg_free(msg);
16552}
947add36 16553EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
c93b5e71 16554
a3b8b056
JM		 16555void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
16556 struct net_device *netdev, const u8 *addr,
16557 enum nl80211_key_type key_type, int key_id,
e6d6e342 16558 const u8 *tsc, gfp_t gfp)
a3b8b056
JM		 16559{
16560 struct sk_buff *msg;
16561 void *hdr;
16562
e6d6e342 16563 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
a3b8b056
JM		 16564 if (!msg)
16565 return;
16566
16567 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
16568 if (!hdr) {
16569 nlmsg_free(msg);
16570 return;
16571 }
16572
9360ffd1
DM		 16573 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16574 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16575 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
16576 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
16577 (key_id != -1 &&
16578 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
16579 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
16580 goto nla_put_failure;
a3b8b056 16581
3b7b72ee 16582 genlmsg_end(msg, hdr);
a3b8b056 16583
68eb5503 16584 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16585 NL80211_MCGRP_MLME, gfp);
a3b8b056
JM		 16586 return;
16587
16588 nla_put_failure:
a3b8b056
JM		 16589 nlmsg_free(msg);
16590}
16591
6bad8766
LR		 16592void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
16593 struct ieee80211_channel *channel_before,
16594 struct ieee80211_channel *channel_after)
16595{
16596 struct sk_buff *msg;
16597 void *hdr;
16598 struct nlattr *nl_freq;
16599
fd2120ca 16600 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
6bad8766
LR		 16601 if (!msg)
16602 return;
16603
16604 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
16605 if (!hdr) {
16606 nlmsg_free(msg);
16607 return;
16608 }
16609
16610 /*
16611 * Since we are applying the beacon hint to a wiphy we know its
16612 * wiphy_idx is valid
16613 */
9360ffd1
DM		 16614 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
16615 goto nla_put_failure;
6bad8766
LR		 16616
16617 /* Before */
ae0be8de 16618 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
6bad8766
LR		 16619 if (!nl_freq)
16620 goto nla_put_failure;
50f32718
HD		 16621
16622 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
6bad8766
LR		 16623 goto nla_put_failure;
16624 nla_nest_end(msg, nl_freq);
16625
16626 /* After */
ae0be8de 16627 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
6bad8766
LR		 16628 if (!nl_freq)
16629 goto nla_put_failure;
50f32718
HD		 16630
16631 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
6bad8766
LR		 16632 goto nla_put_failure;
16633 nla_nest_end(msg, nl_freq);
16634
3b7b72ee 16635 genlmsg_end(msg, hdr);
6bad8766 16636
463d0183 16637 rcu_read_lock();
68eb5503 16638 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 16639 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
463d0183 16640 rcu_read_unlock();
6bad8766
LR		 16641
16642 return;
16643
16644nla_put_failure:
6bad8766
LR		 16645 nlmsg_free(msg);
16646}
16647
9588bbd5
JM		 16648static void nl80211_send_remain_on_chan_event(
16649 int cmd, struct cfg80211_registered_device *rdev,
71bbc994 16650 struct wireless_dev *wdev, u64 cookie,
9588bbd5 16651 struct ieee80211_channel *chan,
9588bbd5
JM		 16652 unsigned int duration, gfp_t gfp)
16653{
16654 struct sk_buff *msg;
16655 void *hdr;
16656
16657 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16658 if (!msg)
16659 return;
16660
16661 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16662 if (!hdr) {
16663 nlmsg_free(msg);
16664 return;
16665 }
16666
9360ffd1 16667 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 16668 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16669 wdev->netdev->ifindex)) ||
2dad624e
ND		 16670 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16671 NL80211_ATTR_PAD) ||
9360ffd1 16672 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
42d97a59
JB		 16673 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
16674 NL80211_CHAN_NO_HT) ||
2dad624e
ND		 16675 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16676 NL80211_ATTR_PAD))
9360ffd1 16677 goto nla_put_failure;
9588bbd5 16678
9360ffd1
DM		 16679 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
16680 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
16681 goto nla_put_failure;
9588bbd5 16682
3b7b72ee 16683 genlmsg_end(msg, hdr);
9588bbd5 16684
68eb5503 16685 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16686 NL80211_MCGRP_MLME, gfp);
9588bbd5
JM		 16687 return;
16688
16689 nla_put_failure:
9588bbd5
JM		 16690 nlmsg_free(msg);
16691}
16692
947add36
JB		 16693void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
16694 struct ieee80211_channel *chan,
16695 unsigned int duration, gfp_t gfp)
9588bbd5 16696{
947add36 16697 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16698 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 16699
16700 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9588bbd5 16701 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
71bbc994 16702 rdev, wdev, cookie, chan,
42d97a59 16703 duration, gfp);
9588bbd5 16704}
947add36 16705EXPORT_SYMBOL(cfg80211_ready_on_channel);
9588bbd5 16706
947add36
JB		 16707void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
16708 struct ieee80211_channel *chan,
16709 gfp_t gfp)
9588bbd5 16710{
947add36 16711 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16712 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 16713
16714 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9588bbd5 16715 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
42d97a59 16716 rdev, wdev, cookie, chan, 0, gfp);
9588bbd5 16717}
947add36 16718EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9588bbd5 16719
1c38c7f2
JP		 16720void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16721 struct ieee80211_channel *chan,
16722 gfp_t gfp)
16723{
16724 struct wiphy *wiphy = wdev->wiphy;
16725 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16726
16727 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16728 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16729 rdev, wdev, cookie, chan, 0, gfp);
16730}
16731EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16732
947add36
JB		 16733void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16734 struct station_info *sinfo, gfp_t gfp)
98b62183 16735{
947add36 16736 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16737 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
98b62183
JB		 16738 struct sk_buff *msg;
16739
947add36
JB		 16740 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16741
58050fce 16742 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
98b62183
JB		 16743 if (!msg)
16744 return;
16745
cf5ead82 16746 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
66266b3a 16747 rdev, dev, mac_addr, sinfo) < 0) {
98b62183
JB		 16748 nlmsg_free(msg);
16749 return;
16750 }
16751
68eb5503 16752 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16753 NL80211_MCGRP_MLME, gfp);
98b62183 16754}
947add36 16755EXPORT_SYMBOL(cfg80211_new_sta);
98b62183 16756
cf5ead82
JB		 16757void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16758 struct station_info *sinfo, gfp_t gfp)
ec15e68b 16759{
947add36 16760 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16761 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ec15e68b 16762 struct sk_buff *msg;
73887fd9 16763 struct station_info empty_sinfo = {};
cf5ead82 16764
73887fd9
JB		 16765 if (!sinfo)
16766 sinfo = &empty_sinfo;
ec15e68b 16767
947add36
JB		 16768 trace_cfg80211_del_sta(dev, mac_addr);
16769
58050fce 16770 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7ea3e110
JB		 16771 if (!msg) {
16772 cfg80211_sinfo_release_content(sinfo);
73887fd9 16773 return;
7ea3e110 16774 }
ec15e68b 16775
cf5ead82 16776 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
57007121 16777 rdev, dev, mac_addr, sinfo) < 0) {
ec15e68b 16778 nlmsg_free(msg);
73887fd9 16779 return;
ec15e68b
JM		 16780 }
16781
68eb5503 16782 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16783 NL80211_MCGRP_MLME, gfp);
ec15e68b 16784}
cf5ead82 16785EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
ec15e68b 16786
947add36
JB		 16787void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16788 enum nl80211_connect_failed_reason reason,
16789 gfp_t gfp)
ed44a951 16790{
947add36 16791 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16792 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ed44a951
PP		 16793 struct sk_buff *msg;
16794 void *hdr;
16795
16796 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16797 if (!msg)
16798 return;
16799
16800 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16801 if (!hdr) {
16802 nlmsg_free(msg);
16803 return;
16804 }
16805
16806 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16807 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16808 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16809 goto nla_put_failure;
16810
16811 genlmsg_end(msg, hdr);
16812
68eb5503 16813 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16814 NL80211_MCGRP_MLME, gfp);
ed44a951
PP		 16815 return;
16816
16817 nla_put_failure:
ed44a951
PP		 16818 nlmsg_free(msg);
16819}
947add36 16820EXPORT_SYMBOL(cfg80211_conn_failed);
ed44a951 16821
b92ab5d8
JB		 16822static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16823 const u8 *addr, gfp_t gfp)
28946da7
JB		 16824{
16825 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16826 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
28946da7
JB		 16827 struct sk_buff *msg;
16828 void *hdr;
6aa7de05 16829 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
28946da7 16830
15e47304 16831 if (!nlportid)
28946da7
JB		 16832 return false;
16833
16834 msg = nlmsg_new(100, gfp);
16835 if (!msg)
16836 return true;
16837
b92ab5d8 16838 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
28946da7
JB		 16839 if (!hdr) {
16840 nlmsg_free(msg);
16841 return true;
16842 }
16843
9360ffd1
DM		 16844 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16845 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16846 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16847 goto nla_put_failure;
28946da7 16848
9c90a9f6 16849 genlmsg_end(msg, hdr);
15e47304 16850 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
28946da7
JB		 16851 return true;
16852
16853 nla_put_failure:
28946da7
JB		 16854 nlmsg_free(msg);
16855 return true;
16856}
16857
947add36
JB		 16858bool cfg80211_rx_spurious_frame(struct net_device *dev,
16859 const u8 *addr, gfp_t gfp)
b92ab5d8 16860{
947add36
JB		 16861 struct wireless_dev *wdev = dev->ieee80211_ptr;
16862 bool ret;
16863
16864 trace_cfg80211_rx_spurious_frame(dev, addr);
16865
16866 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16867 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
16868 trace_cfg80211_return_bool(false);
16869 return false;
16870 }
16871 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
16872 addr, gfp);
16873 trace_cfg80211_return_bool(ret);
16874 return ret;
b92ab5d8 16875}
947add36 16876EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
b92ab5d8 16877
947add36
JB		 16878bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
16879 const u8 *addr, gfp_t gfp)
b92ab5d8 16880{
947add36
JB		 16881 struct wireless_dev *wdev = dev->ieee80211_ptr;
16882 bool ret;
16883
16884 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
16885
16886 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16887 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
16888 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
16889 trace_cfg80211_return_bool(false);
16890 return false;
16891 }
16892 ret = __nl80211_unexpected_frame(dev,
16893 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
16894 addr, gfp);
16895 trace_cfg80211_return_bool(ret);
16896 return ret;
b92ab5d8 16897}
947add36 16898EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
b92ab5d8 16899
2e161f78 16900int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15e47304 16901 struct wireless_dev *wdev, u32 nlportid,
804483e9 16902 int freq, int sig_dbm,
19504cf5 16903 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
026331c4 16904{
71bbc994 16905 struct net_device *netdev = wdev->netdev;
026331c4
JM		 16906 struct sk_buff *msg;
16907 void *hdr;
026331c4 16908
4ef8c1c9 16909 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 16910 if (!msg)
16911 return -ENOMEM;
16912
2e161f78 16913 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
026331c4
JM		 16914 if (!hdr) {
16915 nlmsg_free(msg);
16916 return -ENOMEM;
16917 }
16918
9360ffd1 16919 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 16920 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16921 netdev->ifindex)) ||
2dad624e
ND		 16922 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16923 NL80211_ATTR_PAD) ||
e76fede8 16924 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
942ba88b 16925 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
9360ffd1
DM		 16926 (sig_dbm &&
16927 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19504cf5
VK		 16928 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16929 (flags &&
16930 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
9360ffd1 16931 goto nla_put_failure;
026331c4 16932
3b7b72ee 16933 genlmsg_end(msg, hdr);
026331c4 16934
15e47304 16935 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
026331c4
JM		 16936
16937 nla_put_failure:
026331c4
JM		 16938 nlmsg_free(msg);
16939 return -ENOBUFS;
16940}
16941
dca9ca2d
MT		 16942static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
16943 const u8 *buf, size_t len, bool ack,
16944 gfp_t gfp, enum nl80211_commands command)
026331c4 16945{
947add36 16946 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16947 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
71bbc994 16948 struct net_device *netdev = wdev->netdev;
026331c4
JM		 16949 struct sk_buff *msg;
16950 void *hdr;
16951
dca9ca2d
MT		 16952 if (command == NL80211_CMD_FRAME_TX_STATUS)
16953 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
16954 else
16955 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
947add36 16956
4ef8c1c9 16957 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 16958 if (!msg)
16959 return;
16960
dca9ca2d 16961 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
026331c4
JM		 16962 if (!hdr) {
16963 nlmsg_free(msg);
16964 return;
16965 }
16966
9360ffd1 16967 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 16968 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16969 netdev->ifindex)) ||
2dad624e
ND		 16970 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16971 NL80211_ATTR_PAD) ||
9360ffd1 16972 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
2dad624e
ND		 16973 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16974 NL80211_ATTR_PAD) ||
9360ffd1
DM		 16975 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
16976 goto nla_put_failure;
026331c4 16977
3b7b72ee 16978 genlmsg_end(msg, hdr);
026331c4 16979
68eb5503 16980 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16981 NL80211_MCGRP_MLME, gfp);
026331c4
JM		 16982 return;
16983
dca9ca2d 16984nla_put_failure:
026331c4
JM		 16985 nlmsg_free(msg);
16986}
dca9ca2d
MT		 16987
16988void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
16989 const u8 *buf, size_t len, bool ack,
16990 gfp_t gfp)
16991{
16992 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16993 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
16994}
16995EXPORT_SYMBOL(cfg80211_control_port_tx_status);
16996
16997void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
16998 const u8 *buf, size_t len, bool ack, gfp_t gfp)
16999{
17000 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
17001 NL80211_CMD_FRAME_TX_STATUS);
17002}
947add36 17003EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
026331c4 17004
6a671a50 17005static int __nl80211_rx_control_port(struct net_device *dev,
a948f713 17006 struct sk_buff *skb,
6a671a50
DK		 17007 bool unencrypted, gfp_t gfp)
17008{
17009 struct wireless_dev *wdev = dev->ieee80211_ptr;
17010 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
a948f713 17011 struct ethhdr *ehdr = eth_hdr(skb);
8d74a623 17012 const u8 *addr = ehdr->h_source;
a948f713 17013 u16 proto = be16_to_cpu(skb->protocol);
6a671a50
DK		 17014 struct sk_buff *msg;
17015 void *hdr;
a948f713
DK		 17016 struct nlattr *frame;
17017
6a671a50
DK		 17018 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
17019
17020 if (!nlportid)
17021 return -ENOENT;
17022
a948f713 17023 msg = nlmsg_new(100 + skb->len, gfp);
6a671a50
DK		 17024 if (!msg)
17025 return -ENOMEM;
17026
17027 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
17028 if (!hdr) {
17029 nlmsg_free(msg);
17030 return -ENOBUFS;
17031 }
17032
17033 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17034 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17035 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17036 NL80211_ATTR_PAD) ||
8d74a623 17037 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6a671a50
DK		 17038 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
17039 (unencrypted && nla_put_flag(msg,
17040 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
17041 goto nla_put_failure;
17042
a948f713
DK		 17043 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
17044 if (!frame)
17045 goto nla_put_failure;
17046
17047 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
6a671a50
DK		 17048 genlmsg_end(msg, hdr);
17049
17050 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17051
17052 nla_put_failure:
17053 nlmsg_free(msg);
17054 return -ENOBUFS;
17055}
17056
17057bool cfg80211_rx_control_port(struct net_device *dev,
a948f713 17058 struct sk_buff *skb, bool unencrypted)
6a671a50
DK		 17059{
17060 int ret;
17061
a948f713
DK		 17062 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
17063 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
6a671a50
DK		 17064 trace_cfg80211_return_bool(ret == 0);
17065 return ret == 0;
17066}
17067EXPORT_SYMBOL(cfg80211_rx_control_port);
17068
5b97f49d
JB		 17069static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
17070 const char *mac, gfp_t gfp)
d6dc1a38 17071{
947add36 17072 struct wireless_dev *wdev = dev->ieee80211_ptr;
5b97f49d
JB		 17073 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17074 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17075 void **cb;
947add36 17076
d6dc1a38 17077 if (!msg)
5b97f49d 17078 return NULL;
d6dc1a38 17079
5b97f49d
JB		 17080 cb = (void **)msg->cb;
17081
17082 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
17083 if (!cb[0]) {
d6dc1a38 17084 nlmsg_free(msg);
5b97f49d 17085 return NULL;
d6dc1a38
JO		 17086 }
17087
9360ffd1 17088 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36 17089 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9360ffd1 17090 goto nla_put_failure;
d6dc1a38 17091
5b97f49d 17092 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
d6dc1a38
JO		 17093 goto nla_put_failure;
17094
ae0be8de 17095 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
5b97f49d 17096 if (!cb[1])
9360ffd1 17097 goto nla_put_failure;
d6dc1a38 17098
5b97f49d 17099 cb[2] = rdev;
d6dc1a38 17100
5b97f49d
JB		 17101 return msg;
17102 nla_put_failure:
17103 nlmsg_free(msg);
17104 return NULL;
17105}
17106
17107static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
17108{
17109 void **cb = (void **)msg->cb;
17110 struct cfg80211_registered_device *rdev = cb[2];
17111
17112 nla_nest_end(msg, cb[1]);
17113 genlmsg_end(msg, cb[0]);
17114
17115 memset(msg->cb, 0, sizeof(msg->cb));
d6dc1a38 17116
68eb5503 17117 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17118 NL80211_MCGRP_MLME, gfp);
5b97f49d
JB		 17119}
17120
17121void cfg80211_cqm_rssi_notify(struct net_device *dev,
17122 enum nl80211_cqm_rssi_threshold_event rssi_event,
bee427b8 17123 s32 rssi_level, gfp_t gfp)
5b97f49d
JB		 17124{
17125 struct sk_buff *msg;
4a4b8169
AZ		 17126 struct wireless_dev *wdev = dev->ieee80211_ptr;
17127 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
5b97f49d 17128
bee427b8 17129 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
5b97f49d 17130
98f03342
JB		 17131 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
17132 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
17133 return;
17134
4a4b8169
AZ		 17135 if (wdev->cqm_config) {
17136 wdev->cqm_config->last_rssi_event_value = rssi_level;
17137
17138 cfg80211_cqm_rssi_update(rdev, dev);
17139
17140 if (rssi_level == 0)
17141 rssi_level = wdev->cqm_config->last_rssi_event_value;
17142 }
17143
5b97f49d
JB		 17144 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17145 if (!msg)
17146 return;
17147
17148 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
17149 rssi_event))
17150 goto nla_put_failure;
17151
bee427b8
AZ		 17152 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
17153 rssi_level))
17154 goto nla_put_failure;
17155
5b97f49d
JB		 17156 cfg80211_send_cqm(msg, gfp);
17157
d6dc1a38
JO		 17158 return;
17159
17160 nla_put_failure:
d6dc1a38
JO		 17161 nlmsg_free(msg);
17162}
947add36 17163EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
d6dc1a38 17164
5b97f49d
JB		 17165void cfg80211_cqm_txe_notify(struct net_device *dev,
17166 const u8 *peer, u32 num_packets,
17167 u32 rate, u32 intvl, gfp_t gfp)
17168{
17169 struct sk_buff *msg;
17170
17171 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17172 if (!msg)
17173 return;
17174
17175 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
17176 goto nla_put_failure;
17177
17178 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
17179 goto nla_put_failure;
17180
17181 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
17182 goto nla_put_failure;
17183
17184 cfg80211_send_cqm(msg, gfp);
17185 return;
17186
17187 nla_put_failure:
17188 nlmsg_free(msg);
17189}
17190EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
17191
17192void cfg80211_cqm_pktloss_notify(struct net_device *dev,
17193 const u8 *peer, u32 num_packets, gfp_t gfp)
17194{
17195 struct sk_buff *msg;
17196
17197 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
17198
17199 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17200 if (!msg)
17201 return;
17202
17203 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
17204 goto nla_put_failure;
17205
17206 cfg80211_send_cqm(msg, gfp);
17207 return;
17208
17209 nla_put_failure:
17210 nlmsg_free(msg);
17211}
17212EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
17213
98f03342
JB		 17214void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
17215{
17216 struct sk_buff *msg;
17217
17218 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17219 if (!msg)
17220 return;
17221
17222 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
17223 goto nla_put_failure;
17224
17225 cfg80211_send_cqm(msg, gfp);
17226 return;
17227
17228 nla_put_failure:
17229 nlmsg_free(msg);
17230}
17231EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
17232
947add36
JB		 17233static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
17234 struct net_device *netdev, const u8 *bssid,
17235 const u8 *replay_ctr, gfp_t gfp)
e5497d76
JB		 17236{
17237 struct sk_buff *msg;
17238 struct nlattr *rekey_attr;
17239 void *hdr;
17240
58050fce 17241 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
e5497d76
JB		 17242 if (!msg)
17243 return;
17244
17245 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17246 if (!hdr) {
17247 nlmsg_free(msg);
17248 return;
17249 }
17250
9360ffd1
DM		 17251 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17252 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17253 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17254 goto nla_put_failure;
e5497d76 17255
ae0be8de 17256 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
e5497d76
JB		 17257 if (!rekey_attr)
17258 goto nla_put_failure;
17259
9360ffd1
DM		 17260 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17261 NL80211_REPLAY_CTR_LEN, replay_ctr))
17262 goto nla_put_failure;
e5497d76
JB		 17263
17264 nla_nest_end(msg, rekey_attr);
17265
3b7b72ee 17266 genlmsg_end(msg, hdr);
e5497d76 17267
68eb5503 17268 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17269 NL80211_MCGRP_MLME, gfp);
e5497d76
JB		 17270 return;
17271
17272 nla_put_failure:
e5497d76
JB		 17273 nlmsg_free(msg);
17274}
17275
947add36
JB		 17276void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17277 const u8 *replay_ctr, gfp_t gfp)
17278{
17279 struct wireless_dev *wdev = dev->ieee80211_ptr;
17280 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17281 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 17282
17283 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17284 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17285}
17286EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17287
17288static void
17289nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17290 struct net_device *netdev, int index,
17291 const u8 *bssid, bool preauth, gfp_t gfp)
c9df56b4
JM		 17292{
17293 struct sk_buff *msg;
17294 struct nlattr *attr;
17295 void *hdr;
17296
58050fce 17297 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
c9df56b4
JM		 17298 if (!msg)
17299 return;
17300
17301 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17302 if (!hdr) {
17303 nlmsg_free(msg);
17304 return;
17305 }
17306
9360ffd1
DM		 17307 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17308 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17309 goto nla_put_failure;
c9df56b4 17310
ae0be8de 17311 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
c9df56b4
JM		 17312 if (!attr)
17313 goto nla_put_failure;
17314
9360ffd1
DM		 17315 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17316 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17317 (preauth &&
17318 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17319 goto nla_put_failure;
c9df56b4
JM		 17320
17321 nla_nest_end(msg, attr);
17322
3b7b72ee 17323 genlmsg_end(msg, hdr);
c9df56b4 17324
68eb5503 17325 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17326 NL80211_MCGRP_MLME, gfp);
c9df56b4
JM		 17327 return;
17328
17329 nla_put_failure:
c9df56b4
JM		 17330 nlmsg_free(msg);
17331}
17332
947add36
JB		 17333void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17334 const u8 *bssid, bool preauth, gfp_t gfp)
17335{
17336 struct wireless_dev *wdev = dev->ieee80211_ptr;
17337 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17338 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 17339
17340 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17341 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17342}
17343EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17344
17345static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17346 struct net_device *netdev,
17347 struct cfg80211_chan_def *chandef,
f8d7552e
LC		 17348 gfp_t gfp,
17349 enum nl80211_commands notif,
669b8413 17350 u8 count, bool quiet)
5314526b
TP		 17351{
17352 struct sk_buff *msg;
17353 void *hdr;
17354
58050fce 17355 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
5314526b
TP		 17356 if (!msg)
17357 return;
17358
f8d7552e 17359 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
5314526b
TP		 17360 if (!hdr) {
17361 nlmsg_free(msg);
17362 return;
17363 }
17364
683b6d3b
JB		 17365 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17366 goto nla_put_failure;
17367
17368 if (nl80211_send_chandef(msg, chandef))
7eab0f64 17369 goto nla_put_failure;
5314526b 17370
669b8413
JB		 17371 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
17372 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
f8d7552e 17373 goto nla_put_failure;
669b8413
JB		 17374 if (quiet &&
17375 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
f8d7552e 17376 goto nla_put_failure;
669b8413 17377 }
f8d7552e 17378
5314526b
TP		 17379 genlmsg_end(msg, hdr);
17380
68eb5503 17381 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17382 NL80211_MCGRP_MLME, gfp);
5314526b
TP		 17383 return;
17384
17385 nla_put_failure:
5314526b
TP		 17386 nlmsg_free(msg);
17387}
17388
947add36
JB		 17389void cfg80211_ch_switch_notify(struct net_device *dev,
17390 struct cfg80211_chan_def *chandef)
84f10708 17391{
947add36
JB		 17392 struct wireless_dev *wdev = dev->ieee80211_ptr;
17393 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17394 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36 17395
e487eaeb 17396 ASSERT_WDEV_LOCK(wdev);
947add36 17397
e487eaeb 17398 trace_cfg80211_ch_switch_notify(dev, chandef);
947add36 17399
9e0e2961 17400 wdev->chandef = *chandef;
96f55f12 17401 wdev->preset_chandef = *chandef;
5dc8cdce
SM		 17402
17403 if (wdev->iftype == NL80211_IFTYPE_STATION &&
17404 !WARN_ON(!wdev->current_bss))
0afd425b 17405 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
5dc8cdce 17406
d34990bb
MV		 17407 cfg80211_sched_dfs_chan_update(rdev);
17408
f8d7552e 17409 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
669b8413 17410 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
947add36
JB		 17411}
17412EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17413
f8d7552e
LC		 17414void cfg80211_ch_switch_started_notify(struct net_device *dev,
17415 struct cfg80211_chan_def *chandef,
669b8413 17416 u8 count, bool quiet)
f8d7552e
LC		 17417{
17418 struct wireless_dev *wdev = dev->ieee80211_ptr;
17419 struct wiphy *wiphy = wdev->wiphy;
17420 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17421
17422 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17423
17424 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
669b8413
JB		 17425 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
17426 count, quiet);
f8d7552e
LC		 17427}
17428EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17429
04f39047
SW		 17430void
17431nl80211_radar_notify(struct cfg80211_registered_device *rdev,
d2859df5 17432 const struct cfg80211_chan_def *chandef,
04f39047
SW		 17433 enum nl80211_radar_event event,
17434 struct net_device *netdev, gfp_t gfp)
17435{
17436 struct sk_buff *msg;
17437 void *hdr;
17438
17439 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17440 if (!msg)
17441 return;
17442
17443 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
17444 if (!hdr) {
17445 nlmsg_free(msg);
17446 return;
17447 }
17448
17449 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17450 goto nla_put_failure;
17451
17452 /* NOP and radar events don't need a netdev parameter */
17453 if (netdev) {
17454 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17455
17456 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
2dad624e
ND		 17457 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17458 NL80211_ATTR_PAD))
04f39047
SW		 17459 goto nla_put_failure;
17460 }
17461
17462 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
17463 goto nla_put_failure;
17464
17465 if (nl80211_send_chandef(msg, chandef))
17466 goto nla_put_failure;
17467
9c90a9f6 17468 genlmsg_end(msg, hdr);
04f39047 17469
68eb5503 17470 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17471 NL80211_MCGRP_MLME, gfp);
04f39047
SW		 17472 return;
17473
17474 nla_put_failure:
04f39047
SW		 17475 nlmsg_free(msg);
17476}
17477
466b9936 17478void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
17479 struct sta_opmode_info *sta_opmode,
17480 gfp_t gfp)
17481{
17482 struct sk_buff *msg;
17483 struct wireless_dev *wdev = dev->ieee80211_ptr;
17484 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17485 void *hdr;
17486
17487 if (WARN_ON(!mac))
17488 return;
17489
17490 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17491 if (!msg)
17492 return;
17493
17494 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
17495 if (!hdr) {
17496 nlmsg_free(msg);
17497 return;
17498 }
17499
17500 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17501 goto nla_put_failure;
17502
17503 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17504 goto nla_put_failure;
17505
17506 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17507 goto nla_put_failure;
17508
17509 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
17510 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
17511 goto nla_put_failure;
17512
17513 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
0016d320 17514 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
466b9936 17515 goto nla_put_failure;
17516
17517 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
17518 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
17519 goto nla_put_failure;
17520
17521 genlmsg_end(msg, hdr);
17522
17523 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17524 NL80211_MCGRP_MLME, gfp);
17525
17526 return;
17527
17528nla_put_failure:
17529 nlmsg_free(msg);
17530}
17531EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
17532
7f6cf311 17533void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
c4b50cd3
VN		 17534 u64 cookie, bool acked, s32 ack_signal,
17535 bool is_valid_ack_signal, gfp_t gfp)
7f6cf311
JB		 17536{
17537 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 17538 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
7f6cf311
JB		 17539 struct sk_buff *msg;
17540 void *hdr;
7f6cf311 17541
4ee3e063
BL		 17542 trace_cfg80211_probe_status(dev, addr, cookie, acked);
17543
58050fce 17544 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
4ee3e063 17545
7f6cf311
JB		 17546 if (!msg)
17547 return;
17548
17549 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
17550 if (!hdr) {
17551 nlmsg_free(msg);
17552 return;
17553 }
17554
9360ffd1
DM		 17555 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17556 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17557 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2dad624e
ND		 17558 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17559 NL80211_ATTR_PAD) ||
c4b50cd3
VN		 17560 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
17561 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
17562 ack_signal)))
9360ffd1 17563 goto nla_put_failure;
7f6cf311 17564
9c90a9f6 17565 genlmsg_end(msg, hdr);
7f6cf311 17566
68eb5503 17567 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17568 NL80211_MCGRP_MLME, gfp);
7f6cf311
JB		 17569 return;
17570
17571 nla_put_failure:
7f6cf311
JB		 17572 nlmsg_free(msg);
17573}
17574EXPORT_SYMBOL(cfg80211_probe_status);
17575
e76fede8
TP		 17576void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
17577 size_t len, int freq, int sig_dbm)
5e760230 17578{
f26cbf40 17579 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5e760230
JB		 17580 struct sk_buff *msg;
17581 void *hdr;
37c73b5f 17582 struct cfg80211_beacon_registration *reg;
5e760230 17583
4ee3e063
BL		 17584 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
17585
37c73b5f
BG		 17586 spin_lock_bh(&rdev->beacon_registrations_lock);
17587 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
17588 msg = nlmsg_new(len + 100, GFP_ATOMIC);
17589 if (!msg) {
17590 spin_unlock_bh(&rdev->beacon_registrations_lock);
17591 return;
17592 }
5e760230 17593
37c73b5f
BG		 17594 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17595 if (!hdr)
17596 goto nla_put_failure;
5e760230 17597
37c73b5f
BG		 17598 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17599 (freq &&
942ba88b
TP		 17600 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
17601 KHZ_TO_MHZ(freq)) ||
17602 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
17603 freq % 1000))) ||
37c73b5f
BG		 17604 (sig_dbm &&
17605 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17606 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
17607 goto nla_put_failure;
5e760230 17608
37c73b5f 17609 genlmsg_end(msg, hdr);
5e760230 17610
37c73b5f
BG		 17611 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
17612 }
17613 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 17614 return;
17615
17616 nla_put_failure:
37c73b5f 17617 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 17618 nlmsg_free(msg);
17619}
e76fede8 17620EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
5e760230 17621
cd8f7cb4 17622#ifdef CONFIG_PM
8cd4d456
LC		 17623static int cfg80211_net_detect_results(struct sk_buff *msg,
17624 struct cfg80211_wowlan_wakeup *wakeup)
17625{
17626 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
17627 struct nlattr *nl_results, *nl_match, *nl_freqs;
17628 int i, j;
17629
ae0be8de
MK		 17630 nl_results = nla_nest_start_noflag(msg,
17631 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
8cd4d456
LC		 17632 if (!nl_results)
17633 return -EMSGSIZE;
17634
17635 for (i = 0; i < nd->n_matches; i++) {
17636 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
17637
ae0be8de 17638 nl_match = nla_nest_start_noflag(msg, i);
8cd4d456
LC		 17639 if (!nl_match)
17640 break;
17641
17642 /* The SSID attribute is optional in nl80211, but for
17643 * simplicity reasons it's always present in the
17644 * cfg80211 structure. If a driver can't pass the
17645 * SSID, that needs to be changed. A zero length SSID
17646 * is still a valid SSID (wildcard), so it cannot be
17647 * used for this purpose.
17648 */
17649 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
17650 match->ssid.ssid)) {
17651 nla_nest_cancel(msg, nl_match);
17652 goto out;
17653 }
17654
17655 if (match->n_channels) {
ae0be8de
MK		 17656 nl_freqs = nla_nest_start_noflag(msg,
17657 NL80211_ATTR_SCAN_FREQUENCIES);
8cd4d456
LC		 17658 if (!nl_freqs) {
17659 nla_nest_cancel(msg, nl_match);
17660 goto out;
17661 }
17662
17663 for (j = 0; j < match->n_channels; j++) {
5528fae8 17664 if (nla_put_u32(msg, j, match->channels[j])) {
8cd4d456
LC		 17665 nla_nest_cancel(msg, nl_freqs);
17666 nla_nest_cancel(msg, nl_match);
17667 goto out;
17668 }
17669 }
17670
17671 nla_nest_end(msg, nl_freqs);
17672 }
17673
17674 nla_nest_end(msg, nl_match);
17675 }
17676
17677out:
17678 nla_nest_end(msg, nl_results);
17679 return 0;
17680}
17681
cd8f7cb4
JB		 17682void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
17683 struct cfg80211_wowlan_wakeup *wakeup,
17684 gfp_t gfp)
17685{
f26cbf40 17686 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
cd8f7cb4
JB		 17687 struct sk_buff *msg;
17688 void *hdr;
9c90a9f6 17689 int size = 200;
cd8f7cb4
JB		 17690
17691 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
17692
17693 if (wakeup)
17694 size += wakeup->packet_present_len;
17695
17696 msg = nlmsg_new(size, gfp);
17697 if (!msg)
17698 return;
17699
17700 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
17701 if (!hdr)
17702 goto free_msg;
17703
17704 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 17705 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17706 NL80211_ATTR_PAD))
cd8f7cb4
JB		 17707 goto free_msg;
17708
17709 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17710 wdev->netdev->ifindex))
17711 goto free_msg;
17712
17713 if (wakeup) {
17714 struct nlattr *reasons;
17715
ae0be8de
MK		 17716 reasons = nla_nest_start_noflag(msg,
17717 NL80211_ATTR_WOWLAN_TRIGGERS);
7fa322c8
JB		 17718 if (!reasons)
17719 goto free_msg;
cd8f7cb4
JB		 17720
17721 if (wakeup->disconnect &&
17722 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
17723 goto free_msg;
17724 if (wakeup->magic_pkt &&
17725 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
17726 goto free_msg;
17727 if (wakeup->gtk_rekey_failure &&
17728 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
17729 goto free_msg;
17730 if (wakeup->eap_identity_req &&
17731 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
17732 goto free_msg;
17733 if (wakeup->four_way_handshake &&
17734 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
17735 goto free_msg;
17736 if (wakeup->rfkill_release &&
17737 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
17738 goto free_msg;
17739
17740 if (wakeup->pattern_idx >= 0 &&
17741 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
17742 wakeup->pattern_idx))
17743 goto free_msg;
17744
ae917c9f
JB		 17745 if (wakeup->tcp_match &&
17746 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
17747 goto free_msg;
2a0e047e 17748
ae917c9f
JB		 17749 if (wakeup->tcp_connlost &&
17750 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17751 goto free_msg;
2a0e047e 17752
ae917c9f
JB		 17753 if (wakeup->tcp_nomoretokens &&
17754 nla_put_flag(msg,
17755 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17756 goto free_msg;
2a0e047e 17757
cd8f7cb4
JB		 17758 if (wakeup->packet) {
17759 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17760 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17761
17762 if (!wakeup->packet_80211) {
17763 pkt_attr =
17764 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17765 len_attr =
17766 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17767 }
17768
17769 if (wakeup->packet_len &&
17770 nla_put_u32(msg, len_attr, wakeup->packet_len))
17771 goto free_msg;
17772
17773 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17774 wakeup->packet))
17775 goto free_msg;
17776 }
17777
8cd4d456
LC		 17778 if (wakeup->net_detect &&
17779 cfg80211_net_detect_results(msg, wakeup))
17780 goto free_msg;
17781
cd8f7cb4
JB		 17782 nla_nest_end(msg, reasons);
17783 }
17784
9c90a9f6 17785 genlmsg_end(msg, hdr);
cd8f7cb4 17786
68eb5503 17787 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17788 NL80211_MCGRP_MLME, gfp);
cd8f7cb4
JB		 17789 return;
17790
17791 free_msg:
17792 nlmsg_free(msg);
17793}
17794EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17795#endif
17796
3475b094
JM		 17797void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17798 enum nl80211_tdls_operation oper,
17799 u16 reason_code, gfp_t gfp)
17800{
17801 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 17802 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
3475b094
JM		 17803 struct sk_buff *msg;
17804 void *hdr;
3475b094
JM		 17805
17806 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17807 reason_code);
17808
17809 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17810 if (!msg)
17811 return;
17812
17813 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
17814 if (!hdr) {
17815 nlmsg_free(msg);
17816 return;
17817 }
17818
17819 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17820 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17821 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
17822 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
17823 (reason_code > 0 &&
17824 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
17825 goto nla_put_failure;
17826
9c90a9f6 17827 genlmsg_end(msg, hdr);
3475b094 17828
68eb5503 17829 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17830 NL80211_MCGRP_MLME, gfp);
3475b094
JM		 17831 return;
17832
17833 nla_put_failure:
3475b094
JM		 17834 nlmsg_free(msg);
17835}
17836EXPORT_SYMBOL(cfg80211_tdls_oper_request);
17837
026331c4
JM		 17838static int nl80211_netlink_notify(struct notifier_block * nb,
17839 unsigned long state,
17840 void *_notify)
17841{
17842 struct netlink_notify *notify = _notify;
17843 struct cfg80211_registered_device *rdev;
17844 struct wireless_dev *wdev;
37c73b5f 17845 struct cfg80211_beacon_registration *reg, *tmp;
026331c4 17846
8f815cdd 17847 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
026331c4
JM		 17848 return NOTIFY_DONE;
17849
17850 rcu_read_lock();
17851
5e760230 17852 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ca986ad9 17853 struct cfg80211_sched_scan_request *sched_scan_req;
753aacfd 17854
ca986ad9
AVS		 17855 list_for_each_entry_rcu(sched_scan_req,
17856 &rdev->sched_scan_req_list,
17857 list) {
17858 if (sched_scan_req->owner_nlportid == notify->portid) {
17859 sched_scan_req->nl_owner_dead = true;
753aacfd 17860 schedule_work(&rdev->sched_scan_stop_wk);
ca986ad9 17861 }
753aacfd 17862 }
78f22b6a 17863
53873f13 17864 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
15e47304 17865 cfg80211_mlme_unregister_socket(wdev, notify->portid);
37c73b5f 17866
ab81007a
JB		 17867 if (wdev->owner_nlportid == notify->portid) {
17868 wdev->nl_owner_dead = true;
17869 schedule_work(&rdev->destroy_work);
17870 } else if (wdev->conn_owner_nlportid == notify->portid) {
bd2522b1 17871 schedule_work(&wdev->disconnect_wk);
ab81007a 17872 }
9bb7e0f2
JB		 17873
17874 cfg80211_release_pmsr(wdev, notify->portid);
78f22b6a
JB		 17875 }
17876
37c73b5f
BG		 17877 spin_lock_bh(&rdev->beacon_registrations_lock);
17878 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
17879 list) {
17880 if (reg->nlportid == notify->portid) {
17881 list_del(&reg->list);
17882 kfree(reg);
17883 break;
17884 }
17885 }
17886 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230 17887 }
026331c4
JM		 17888
17889 rcu_read_unlock();
17890
05050753
I		 17891 /*
17892 * It is possible that the user space process that is controlling the
17893 * indoor setting disappeared, so notify the regulatory core.
17894 */
17895 regulatory_netlink_notify(notify->portid);
6784c7db 17896 return NOTIFY_OK;
026331c4
JM		 17897}
17898
17899static struct notifier_block nl80211_netlink_notifier = {
17900 .notifier_call = nl80211_netlink_notify,
17901};
17902
355199e0
JM		 17903void cfg80211_ft_event(struct net_device *netdev,
17904 struct cfg80211_ft_event_params *ft_event)
17905{
17906 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
f26cbf40 17907 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355199e0
JM		 17908 struct sk_buff *msg;
17909 void *hdr;
355199e0
JM		 17910
17911 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
17912
17913 if (!ft_event->target_ap)
17914 return;
17915
1039d081
DL		 17916 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
17917 GFP_KERNEL);
355199e0
JM		 17918 if (!msg)
17919 return;
17920
17921 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
ae917c9f
JB		 17922 if (!hdr)
17923 goto out;
355199e0 17924
ae917c9f
JB		 17925 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17926 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17927 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
17928 goto out;
355199e0 17929
ae917c9f
JB		 17930 if (ft_event->ies &&
17931 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
17932 goto out;
17933 if (ft_event->ric_ies &&
17934 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
17935 ft_event->ric_ies))
17936 goto out;
355199e0 17937
9c90a9f6 17938 genlmsg_end(msg, hdr);
355199e0 17939
68eb5503 17940 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17941 NL80211_MCGRP_MLME, GFP_KERNEL);
ae917c9f
JB		 17942 return;
17943 out:
17944 nlmsg_free(msg);
355199e0
JM		 17945}
17946EXPORT_SYMBOL(cfg80211_ft_event);
17947
5de17984
AS		 17948void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
17949{
17950 struct cfg80211_registered_device *rdev;
17951 struct sk_buff *msg;
17952 void *hdr;
17953 u32 nlportid;
17954
f26cbf40 17955 rdev = wiphy_to_rdev(wdev->wiphy);
5de17984
AS		 17956 if (!rdev->crit_proto_nlportid)
17957 return;
17958
17959 nlportid = rdev->crit_proto_nlportid;
17960 rdev->crit_proto_nlportid = 0;
17961
17962 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17963 if (!msg)
17964 return;
17965
17966 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
17967 if (!hdr)
17968 goto nla_put_failure;
17969
17970 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 17971 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17972 NL80211_ATTR_PAD))
5de17984
AS		 17973 goto nla_put_failure;
17974
17975 genlmsg_end(msg, hdr);
17976
17977 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17978 return;
17979
17980 nla_put_failure:
5de17984 17981 nlmsg_free(msg);
5de17984
AS		 17982}
17983EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
17984
348baf0e
JB		 17985void nl80211_send_ap_stopped(struct wireless_dev *wdev)
17986{
17987 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17988 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
348baf0e
JB		 17989 struct sk_buff *msg;
17990 void *hdr;
17991
17992 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17993 if (!msg)
17994 return;
17995
17996 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
17997 if (!hdr)
17998 goto out;
17999
18000 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18001 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
2dad624e
ND		 18002 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18003 NL80211_ATTR_PAD))
348baf0e
JB		 18004 goto out;
18005
18006 genlmsg_end(msg, hdr);
18007
18008 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
18009 NL80211_MCGRP_MLME, GFP_KERNEL);
18010 return;
18011 out:
18012 nlmsg_free(msg);
18013}
18014
40cbfa90
SD		 18015int cfg80211_external_auth_request(struct net_device *dev,
18016 struct cfg80211_external_auth_params *params,
18017 gfp_t gfp)
18018{
18019 struct wireless_dev *wdev = dev->ieee80211_ptr;
18020 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18021 struct sk_buff *msg;
18022 void *hdr;
18023
18024 if (!wdev->conn_owner_nlportid)
18025 return -EINVAL;
18026
18027 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18028 if (!msg)
18029 return -ENOMEM;
18030
18031 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
18032 if (!hdr)
18033 goto nla_put_failure;
18034
18035 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18036 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18037 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
18038 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
18039 params->action) ||
18040 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
18041 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
18042 params->ssid.ssid))
18043 goto nla_put_failure;
18044
18045 genlmsg_end(msg, hdr);
18046 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
18047 wdev->conn_owner_nlportid);
18048 return 0;
18049
18050 nla_put_failure:
18051 nlmsg_free(msg);
18052 return -ENOBUFS;
18053}
18054EXPORT_SYMBOL(cfg80211_external_auth_request);
18055
cb74e977
SD		 18056void cfg80211_update_owe_info_event(struct net_device *netdev,
18057 struct cfg80211_update_owe_info *owe_info,
18058 gfp_t gfp)
18059{
18060 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
18061 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18062 struct sk_buff *msg;
18063 void *hdr;
18064
18065 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
18066
18067 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18068 if (!msg)
18069 return;
18070
18071 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
18072 if (!hdr)
18073 goto nla_put_failure;
18074
18075 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18076 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18077 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
18078 goto nla_put_failure;
18079
18080 if (!owe_info->ie_len ||
18081 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
18082 goto nla_put_failure;
18083
18084 genlmsg_end(msg, hdr);
18085
18086 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18087 NL80211_MCGRP_MLME, gfp);
18088 return;
18089
18090nla_put_failure:
18091 genlmsg_cancel(msg, hdr);
18092 nlmsg_free(msg);
18093}
18094EXPORT_SYMBOL(cfg80211_update_owe_info_event);
18095
55682965
JB		 18096/* initialisation/exit functions */
18097
56989f6d 18098int __init nl80211_init(void)
55682965 18099{
0d63cbb5 18100 int err;
55682965 18101
489111e5 18102 err = genl_register_family(&nl80211_fam);
55682965
JB		 18103 if (err)
18104 return err;
18105
026331c4
JM		 18106 err = netlink_register_notifier(&nl80211_netlink_notifier);
18107 if (err)
18108 goto err_out;
18109
55682965
JB		 18110 return 0;
18111 err_out:
18112 genl_unregister_family(&nl80211_fam);
18113 return err;
18114}
18115
18116void nl80211_exit(void)
18117{
026331c4 18118 netlink_unregister_notifier(&nl80211_netlink_notifier);
55682965
JB		 18119 genl_unregister_family(&nl80211_fam);
18120}
Linux 6.x block layer and io_uring tree(s)