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cfg80211: 802.11p OCB mode handling
[linux-2.6-block.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
d98ad83e 5 * Copyright 2013-2014 Intel Mobile Communications GmbH
f0706e82
JB		 6 *
7 * This file is GPLv2 as found in COPYING.
8 */
9
e8cbb4cb 10#include <linux/ieee80211.h>
f0706e82
JB		 11#include <linux/nl80211.h>
12#include <linux/rtnetlink.h>
5a0e3ad6 13#include <linux/slab.h>
881d966b 14#include <net/net_namespace.h>
5dfdaf58 15#include <linux/rcupdate.h>
dfe018bf 16#include <linux/if_ether.h>
f0706e82
JB		 17#include <net/cfg80211.h>
18#include "ieee80211_i.h"
24487981 19#include "driver-ops.h"
e0eb6859 20#include "cfg.h"
2c8dccc7 21#include "rate.h"
c5dd9c2b 22#include "mesh.h"
02219b3a 23#include "wme.h"
c5dd9c2b 24
552bff0c
JB		 25static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
26 const char *name,
84efbb84
JB		 27 enum nl80211_iftype type,
28 u32 *flags,
29 struct vif_params *params)
f0706e82
JB		 30{
31 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 32 struct wireless_dev *wdev;
8cc9a739
MW		 33 struct ieee80211_sub_if_data *sdata;
34 int err;
f0706e82 35
84efbb84 36 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 37 if (err)
38 return ERR_PTR(err);
8cc9a739 39
f9e10ce4 40 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 41 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 42 sdata->u.mntr_flags = *flags;
43 }
44
84efbb84 45 return wdev;
f0706e82
JB		 46}
47
84efbb84 48static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 49{
84efbb84 50 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 51
75636525 52 return 0;
f0706e82
JB		 53}
54
e36d56b6
JB		 55static int ieee80211_change_iface(struct wiphy *wiphy,
56 struct net_device *dev,
2ec600d6
LCC		 57 enum nl80211_iftype type, u32 *flags,
58 struct vif_params *params)
42613db7 59{
9607e6b6 60 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 61 int ret;
42613db7 62
05c914fe 63 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 64 if (ret)
65 return ret;
42613db7 66
9bc383de
JB		 67 if (type == NL80211_IFTYPE_AP_VLAN &&
68 params && params->use_4addr == 0)
a9b3cd7f 69 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 70 else if (type == NL80211_IFTYPE_STATION &&
71 params && params->use_4addr >= 0)
72 sdata->u.mgd.use_4addr = params->use_4addr;
73
85416a4f
CL		 74 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
75 struct ieee80211_local *local = sdata->local;
76
77 if (ieee80211_sdata_running(sdata)) {
31eba5bc
FF		 78 u32 mask = MONITOR_FLAG_COOK_FRAMES |
79 MONITOR_FLAG_ACTIVE;
80
85416a4f 81 /*
31eba5bc
FF		 82 * Prohibit MONITOR_FLAG_COOK_FRAMES and
83 * MONITOR_FLAG_ACTIVE to be changed while the
84 * interface is up.
85416a4f
CL		 85 * Else we would need to add a lot of cruft
86 * to update everything:
87 * cooked_mntrs, monitor and all fif_* counters
88 * reconfigure hardware
89 */
31eba5bc 90 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
85416a4f
CL		 91 return -EBUSY;
92
93 ieee80211_adjust_monitor_flags(sdata, -1);
94 sdata->u.mntr_flags = *flags;
95 ieee80211_adjust_monitor_flags(sdata, 1);
96
97 ieee80211_configure_filter(local);
98 } else {
99 /*
100 * Because the interface is down, ieee80211_do_stop
101 * and ieee80211_do_open take care of "everything"
102 * mentioned in the comment above.
103 */
104 sdata->u.mntr_flags = *flags;
105 }
106 }
f7917af9 107
42613db7
JB		 108 return 0;
109}
110
f142c6b9
JB		 111static int ieee80211_start_p2p_device(struct wiphy *wiphy,
112 struct wireless_dev *wdev)
113{
b6a55015
LC		 114 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
115 int ret;
116
117 mutex_lock(&sdata->local->chanctx_mtx);
118 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
119 mutex_unlock(&sdata->local->chanctx_mtx);
120 if (ret < 0)
121 return ret;
122
f142c6b9
JB		 123 return ieee80211_do_open(wdev, true);
124}
125
126static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
127 struct wireless_dev *wdev)
128{
129 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
130}
131
b53be792
SW		 132static int ieee80211_set_noack_map(struct wiphy *wiphy,
133 struct net_device *dev,
134 u16 noack_map)
135{
136 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
137
138 sdata->noack_map = noack_map;
139 return 0;
140}
141
e8cbb4cb 142static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 143 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 144 struct key_params *params)
145{
26a58456 146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 147 struct ieee80211_local *local = sdata->local;
e8cbb4cb 148 struct sta_info *sta = NULL;
2475b1cc 149 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 150 struct ieee80211_key *key;
3b96766f 151 int err;
e8cbb4cb 152
26a58456 153 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 154 return -ENETDOWN;
155
97359d12 156 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 157 switch (params->cipher) {
158 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 159 case WLAN_CIPHER_SUITE_TKIP:
97359d12 160 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 161 if (IS_ERR(local->wep_tx_tfm))
97359d12 162 return -EINVAL;
3cfcf6ac 163 break;
2475b1cc
MS		 164 case WLAN_CIPHER_SUITE_CCMP:
165 case WLAN_CIPHER_SUITE_AES_CMAC:
166 case WLAN_CIPHER_SUITE_GCMP:
167 break;
e8cbb4cb 168 default:
2475b1cc 169 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 170 break;
e8cbb4cb
JB		 171 }
172
97359d12 173 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 174 params->key, params->seq_len, params->seq,
175 cs);
1ac62ba7
BH		 176 if (IS_ERR(key))
177 return PTR_ERR(key);
db4d1169 178
e31b8213
JB		 179 if (pairwise)
180 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
181
2475b1cc 182 mutex_lock(&local->sta_mtx);
3b96766f 183
e8cbb4cb 184 if (mac_addr) {
ff973af7
TP		 185 if (ieee80211_vif_is_mesh(&sdata->vif))
186 sta = sta_info_get(sdata, mac_addr);
187 else
188 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 189 /*
190 * The ASSOC test makes sure the driver is ready to
191 * receive the key. When wpa_supplicant has roamed
192 * using FT, it attempts to set the key before
193 * association has completed, this rejects that attempt
d070f913 194 * so it will set the key again after association.
1626e0fa
JB		 195 *
196 * TODO: accept the key if we have a station entry and
197 * add it to the device after the station.
198 */
199 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 200 ieee80211_key_free_unused(key);
3b96766f
JB		 201 err = -ENOENT;
202 goto out_unlock;
db4d1169 203 }
e8cbb4cb
JB		 204 }
205
e548c49e
JB		 206 switch (sdata->vif.type) {
207 case NL80211_IFTYPE_STATION:
208 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
209 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
210 break;
211 case NL80211_IFTYPE_AP:
212 case NL80211_IFTYPE_AP_VLAN:
213 /* Keys without a station are used for TX only */
214 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
215 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
216 break;
217 case NL80211_IFTYPE_ADHOC:
218 /* no MFP (yet) */
219 break;
220 case NL80211_IFTYPE_MESH_POINT:
221#ifdef CONFIG_MAC80211_MESH
222 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
223 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
224 break;
225#endif
226 case NL80211_IFTYPE_WDS:
227 case NL80211_IFTYPE_MONITOR:
228 case NL80211_IFTYPE_P2P_DEVICE:
229 case NL80211_IFTYPE_UNSPECIFIED:
230 case NUM_NL80211_IFTYPES:
231 case NL80211_IFTYPE_P2P_CLIENT:
232 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 233 case NL80211_IFTYPE_OCB:
e548c49e
JB		 234 /* shouldn't happen */
235 WARN_ON_ONCE(1);
236 break;
237 }
238
2475b1cc
MS		 239 if (sta)
240 sta->cipher_scheme = cs;
241
3ffc2a90 242 err = ieee80211_key_link(key, sdata, sta);
db4d1169 243
3b96766f 244 out_unlock:
2475b1cc 245 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 246
247 return err;
e8cbb4cb
JB		 248}
249
250static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 251 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 252{
5c0c3641
JB		 253 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
254 struct ieee80211_local *local = sdata->local;
e8cbb4cb 255 struct sta_info *sta;
5c0c3641 256 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 257 int ret;
258
5c0c3641
JB		 259 mutex_lock(&local->sta_mtx);
260 mutex_lock(&local->key_mtx);
3b96766f 261
e8cbb4cb 262 if (mac_addr) {
3b96766f
JB		 263 ret = -ENOENT;
264
0e5ded5a 265 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 266 if (!sta)
3b96766f 267 goto out_unlock;
e8cbb4cb 268
5c0c3641 269 if (pairwise)
2475b1cc 270 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 271 else
40b275b6 272 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 273 } else
40b275b6 274 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 275
5c0c3641 276 if (!key) {
3b96766f
JB		 277 ret = -ENOENT;
278 goto out_unlock;
279 }
e8cbb4cb 280
3b8d9c29 281 ieee80211_key_free(key, true);
e8cbb4cb 282
3b96766f
JB		 283 ret = 0;
284 out_unlock:
5c0c3641
JB		 285 mutex_unlock(&local->key_mtx);
286 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 287
288 return ret;
e8cbb4cb
JB		 289}
290
62da92fb 291static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 292 u8 key_idx, bool pairwise, const u8 *mac_addr,
293 void *cookie,
62da92fb
JB		 294 void (*callback)(void *cookie,
295 struct key_params *params))
296{
14db74bc 297 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 298 struct sta_info *sta = NULL;
299 u8 seq[6] = {0};
300 struct key_params params;
e31b8213 301 struct ieee80211_key *key = NULL;
aba83a0b 302 u64 pn64;
62da92fb
JB		 303 u32 iv32;
304 u16 iv16;
305 int err = -ENOENT;
306
14db74bc
JB		 307 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
308
3b96766f
JB		 309 rcu_read_lock();
310
62da92fb 311 if (mac_addr) {
0e5ded5a 312 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 313 if (!sta)
314 goto out;
315
354e159d 316 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 317 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 318 else if (!pairwise &&
319 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 320 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 321 } else
a3836e02 322 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 323
324 if (!key)
325 goto out;
326
327 memset(&params, 0, sizeof(params));
328
97359d12 329 params.cipher = key->conf.cipher;
62da92fb 330
97359d12
JB		 331 switch (key->conf.cipher) {
332 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 333 iv32 = key->u.tkip.tx.iv32;
334 iv16 = key->u.tkip.tx.iv16;
62da92fb 335
24487981
JB		 336 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
337 drv_get_tkip_seq(sdata->local,
338 key->conf.hw_key_idx,
339 &iv32, &iv16);
62da92fb
JB		 340
341 seq[0] = iv16 & 0xff;
342 seq[1] = (iv16 >> 8) & 0xff;
343 seq[2] = iv32 & 0xff;
344 seq[3] = (iv32 >> 8) & 0xff;
345 seq[4] = (iv32 >> 16) & 0xff;
346 seq[5] = (iv32 >> 24) & 0xff;
347 params.seq = seq;
348 params.seq_len = 6;
349 break;
97359d12 350 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 351 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
352 seq[0] = pn64;
353 seq[1] = pn64 >> 8;
354 seq[2] = pn64 >> 16;
355 seq[3] = pn64 >> 24;
356 seq[4] = pn64 >> 32;
357 seq[5] = pn64 >> 40;
62da92fb
JB		 358 params.seq = seq;
359 params.seq_len = 6;
360 break;
97359d12 361 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 362 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
363 seq[0] = pn64;
364 seq[1] = pn64 >> 8;
365 seq[2] = pn64 >> 16;
366 seq[3] = pn64 >> 24;
367 seq[4] = pn64 >> 32;
368 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 369 params.seq = seq;
370 params.seq_len = 6;
371 break;
62da92fb
JB		 372 }
373
374 params.key = key->conf.key;
375 params.key_len = key->conf.keylen;
376
377 callback(cookie, &params);
378 err = 0;
379
380 out:
3b96766f 381 rcu_read_unlock();
62da92fb
JB		 382 return err;
383}
384
e8cbb4cb
JB		 385static int ieee80211_config_default_key(struct wiphy *wiphy,
386 struct net_device *dev,
dbd2fd65
JB		 387 u8 key_idx, bool uni,
388 bool multi)
e8cbb4cb 389{
ad0e2b5a 390 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 391
f7e0104c 392 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 393
394 return 0;
395}
396
3cfcf6ac
JM		 397static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
398 struct net_device *dev,
399 u8 key_idx)
400{
66c52421 401 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 402
3cfcf6ac
JM		 403 ieee80211_set_default_mgmt_key(sdata, key_idx);
404
3cfcf6ac
JM		 405 return 0;
406}
407
6b62bf32
TP		 408void sta_set_rate_info_tx(struct sta_info *sta,
409 const struct ieee80211_tx_rate *rate,
410 struct rate_info *rinfo)
411{
412 rinfo->flags = 0;
8bc83c24 413 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 414 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 415 rinfo->mcs = rate->idx;
416 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
417 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
418 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
419 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
420 } else {
421 struct ieee80211_supported_band *sband;
2103dec1
SW		 422 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
423 u16 brate;
424
8bc83c24
JB		 425 sband = sta->local->hw.wiphy->bands[
426 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 427 brate = sband->bitrates[rate->idx].bitrate;
428 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 429 }
6b62bf32
TP		 430 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
431 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 432 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
433 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
434 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
435 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 436 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
437 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 438}
439
003e676a
S		 440void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
441{
442 rinfo->flags = 0;
443
444 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
445 rinfo->flags |= RATE_INFO_FLAGS_MCS;
446 rinfo->mcs = sta->last_rx_rate_idx;
447 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
448 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
449 rinfo->nss = sta->last_rx_rate_vht_nss;
450 rinfo->mcs = sta->last_rx_rate_idx;
451 } else {
452 struct ieee80211_supported_band *sband;
2103dec1
SW		 453 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
454 u16 brate;
003e676a
S		 455
456 sband = sta->local->hw.wiphy->bands[
457 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 458 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
459 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 460 }
461
462 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
463 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
464 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
465 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
1b8d242a 466 if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
003e676a 467 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
1b8d242a 468 if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80P80MHZ)
003e676a 469 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
1b8d242a 470 if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
003e676a
S		 471 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
472}
473
c5dd9c2b 474static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 475 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 476{
3b53fde8 477 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 478 struct ieee80211_local *local = sdata->local;
c5dd9c2b 479 struct sta_info *sta;
d0709a65
JB		 480 int ret = -ENOENT;
481
66572cfc 482 mutex_lock(&local->sta_mtx);
c5dd9c2b 483
3b53fde8 484 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 485 if (sta) {
486 ret = 0;
17741cdc 487 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 488 sta_set_sinfo(sta, sinfo);
489 }
c5dd9c2b 490
66572cfc 491 mutex_unlock(&local->sta_mtx);
c5dd9c2b 492
d0709a65 493 return ret;
c5dd9c2b
LCC		 494}
495
1289723e
HS		 496static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
497 int idx, struct survey_info *survey)
498{
499 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
500
1289723e
HS		 501 return drv_get_survey(local, idx, survey);
502}
503
7bbdd2d9 504static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 505 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 506{
abe60632 507 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 508 struct ieee80211_local *local = sdata->local;
7bbdd2d9 509 struct sta_info *sta;
d0709a65 510 int ret = -ENOENT;
7bbdd2d9 511
66572cfc 512 mutex_lock(&local->sta_mtx);
7bbdd2d9 513
0e5ded5a 514 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 515 if (sta) {
516 ret = 0;
517 sta_set_sinfo(sta, sinfo);
518 }
519
66572cfc 520 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 521
522 return ret;
7bbdd2d9
JB		 523}
524
55de908a 525static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 526 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 527{
528 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 529 struct ieee80211_sub_if_data *sdata;
530 int ret = 0;
3d9e6e12 531
4bf88530 532 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 533 return 0;
3d9e6e12 534
34a3740d 535 mutex_lock(&local->mtx);
55de908a
JB		 536 mutex_lock(&local->iflist_mtx);
537 if (local->use_chanctx) {
538 sdata = rcu_dereference_protected(
539 local->monitor_sdata,
540 lockdep_is_held(&local->iflist_mtx));
541 if (sdata) {
542 ieee80211_vif_release_channel(sdata);
4bf88530 543 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 544 IEEE80211_CHANCTX_EXCLUSIVE);
545 }
546 } else if (local->open_count == local->monitors) {
675a0b04 547 local->_oper_chandef = *chandef;
55de908a
JB		 548 ieee80211_hw_config(local, 0);
549 }
3d9e6e12 550
4bf88530
JB		 551 if (ret == 0)
552 local->monitor_chandef = *chandef;
55de908a 553 mutex_unlock(&local->iflist_mtx);
34a3740d 554 mutex_unlock(&local->mtx);
3d9e6e12 555
55de908a 556 return ret;
e8c9bd5b
JB		 557}
558
02945821 559static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 560 const u8 *resp, size_t resp_len,
561 const struct ieee80211_csa_settings *csa)
02945821 562{
aa7a0080 563 struct probe_resp *new, *old;
02945821
AN		 564
565 if (!resp || !resp_len)
aba4e6ff 566 return 1;
02945821 567
7ca133bc 568 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 569
aa7a0080 570 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 571 if (!new)
572 return -ENOMEM;
573
aa7a0080
ES		 574 new->len = resp_len;
575 memcpy(new->data, resp, resp_len);
02945821 576
af296bdb
MK		 577 if (csa)
578 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
579 csa->n_counter_offsets_presp *
580 sizeof(new->csa_counter_offsets[0]));
581
02945821 582 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 583 if (old)
584 kfree_rcu(old, rcu_head);
02945821
AN		 585
586 return 0;
587}
588
0ae07968 589static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 590 struct cfg80211_beacon_data *params,
591 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 592{
593 struct beacon_data *new, *old;
594 int new_head_len, new_tail_len;
8860020e
JB		 595 int size, err;
596 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 597
7ca133bc
SW		 598 old = sdata_dereference(sdata->u.ap.beacon, sdata);
599
5dfdaf58 600
5dfdaf58
JB		 601 /* Need to have a beacon head if we don't have one yet */
602 if (!params->head && !old)
8860020e 603 return -EINVAL;
5dfdaf58
JB		 604
605 /* new or old head? */
606 if (params->head)
607 new_head_len = params->head_len;
608 else
609 new_head_len = old->head_len;
610
611 /* new or old tail? */
612 if (params->tail || !old)
613 /* params->tail_len will be zero for !params->tail */
614 new_tail_len = params->tail_len;
615 else
616 new_tail_len = old->tail_len;
617
618 size = sizeof(*new) + new_head_len + new_tail_len;
619
620 new = kzalloc(size, GFP_KERNEL);
621 if (!new)
622 return -ENOMEM;
623
624 /* start filling the new info now */
625
5dfdaf58
JB		 626 /*
627 * pointers go into the block we allocated,
628 * memory is | beacon_data | head | tail |
629 */
630 new->head = ((u8 *) new) + sizeof(*new);
631 new->tail = new->head + new_head_len;
632 new->head_len = new_head_len;
633 new->tail_len = new_tail_len;
634
af296bdb
MK		 635 if (csa) {
636 new->csa_current_counter = csa->count;
637 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
638 csa->n_counter_offsets_beacon *
639 sizeof(new->csa_counter_offsets[0]));
640 }
641
5dfdaf58
JB		 642 /* copy in head */
643 if (params->head)
644 memcpy(new->head, params->head, new_head_len);
645 else
646 memcpy(new->head, old->head, new_head_len);
647
648 /* copy in optional tail */
649 if (params->tail)
650 memcpy(new->tail, params->tail, new_tail_len);
651 else
652 if (old)
653 memcpy(new->tail, old->tail, new_tail_len);
654
02945821 655 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 656 params->probe_resp_len, csa);
8860020e
JB		 657 if (err < 0)
658 return err;
659 if (err == 0)
02945821
AN		 660 changed |= BSS_CHANGED_AP_PROBE_RESP;
661
8860020e
JB		 662 rcu_assign_pointer(sdata->u.ap.beacon, new);
663
664 if (old)
665 kfree_rcu(old, rcu_head);
7827493b 666
8860020e 667 return changed;
5dfdaf58
JB		 668}
669
8860020e
JB		 670static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
671 struct cfg80211_ap_settings *params)
5dfdaf58 672{
8860020e 673 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 674 struct ieee80211_local *local = sdata->local;
5dfdaf58 675 struct beacon_data *old;
665c93a9 676 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 677 u32 changed = BSS_CHANGED_BEACON_INT |
678 BSS_CHANGED_BEACON_ENABLED |
679 BSS_CHANGED_BEACON |
339afbf4
JB		 680 BSS_CHANGED_SSID |
681 BSS_CHANGED_P2P_PS;
8860020e 682 int err;
14db74bc 683
7ca133bc 684 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 685 if (old)
686 return -EALREADY;
687
f6993174
EP		 688 switch (params->smps_mode) {
689 case NL80211_SMPS_OFF:
690 sdata->smps_mode = IEEE80211_SMPS_OFF;
691 break;
692 case NL80211_SMPS_STATIC:
693 sdata->smps_mode = IEEE80211_SMPS_STATIC;
694 break;
695 case NL80211_SMPS_DYNAMIC:
696 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
697 break;
698 default:
699 return -EINVAL;
700 }
04ecd257
JB		 701 sdata->needed_rx_chains = sdata->local->rx_chains;
702
34a3740d 703 mutex_lock(&local->mtx);
4bf88530 704 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 705 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 706 if (!err)
707 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 708 mutex_unlock(&local->mtx);
aa430da4
JB		 709 if (err)
710 return err;
711
665c93a9
JB		 712 /*
713 * Apply control port protocol, this allows us to
714 * not encrypt dynamic WEP control frames.
715 */
716 sdata->control_port_protocol = params->crypto.control_port_ethertype;
717 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 718 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
719 &params->crypto,
720 sdata->vif.type);
721
665c93a9
JB		 722 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
723 vlan->control_port_protocol =
724 params->crypto.control_port_ethertype;
725 vlan->control_port_no_encrypt =
726 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 727 vlan->encrypt_headroom =
728 ieee80211_cs_headroom(sdata->local,
729 &params->crypto,
730 vlan->vif.type);
665c93a9
JB		 731 }
732
8860020e
JB		 733 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
734 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 735 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 736
737 sdata->vif.bss_conf.ssid_len = params->ssid_len;
738 if (params->ssid_len)
739 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
740 params->ssid_len);
741 sdata->vif.bss_conf.hidden_ssid =
742 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
743
67baf663
JD		 744 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
745 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
746 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
747 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
748 if (params->p2p_opp_ps)
749 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
750 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 751
af296bdb 752 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 753 if (err < 0) {
754 ieee80211_vif_release_channel(sdata);
8860020e 755 return err;
0297ea17 756 }
8860020e
JB		 757 changed |= err;
758
1041638f
JB		 759 err = drv_start_ap(sdata->local, sdata);
760 if (err) {
7ca133bc
SW		 761 old = sdata_dereference(sdata->u.ap.beacon, sdata);
762
1041638f
JB		 763 if (old)
764 kfree_rcu(old, rcu_head);
765 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 766 ieee80211_vif_release_channel(sdata);
1041638f
JB		 767 return err;
768 }
769
057d5f4b 770 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 771 ieee80211_bss_info_change_notify(sdata, changed);
772
3edaf3e6
JB		 773 netif_carrier_on(dev);
774 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
775 netif_carrier_on(vlan->dev);
776
665c93a9 777 return 0;
5dfdaf58
JB		 778}
779
8860020e
JB		 780static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
781 struct cfg80211_beacon_data *params)
5dfdaf58 782{
14db74bc 783 struct ieee80211_sub_if_data *sdata;
5dfdaf58 784 struct beacon_data *old;
8860020e 785 int err;
5dfdaf58 786
14db74bc 787 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 788 sdata_assert_lock(sdata);
14db74bc 789
73da7d5b
SW		 790 /* don't allow changing the beacon while CSA is in place - offset
791 * of channel switch counter may change
792 */
793 if (sdata->vif.csa_active)
794 return -EBUSY;
795
7ca133bc 796 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 797 if (!old)
798 return -ENOENT;
799
af296bdb 800 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 801 if (err < 0)
802 return err;
803 ieee80211_bss_info_change_notify(sdata, err);
804 return 0;
5dfdaf58
JB		 805}
806
8860020e 807static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 808{
7b20b8e8
JB		 809 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
810 struct ieee80211_sub_if_data *vlan;
811 struct ieee80211_local *local = sdata->local;
812 struct beacon_data *old_beacon;
813 struct probe_resp *old_probe_resp;
d2859df5 814 struct cfg80211_chan_def chandef;
14db74bc 815
dbd72850
MK		 816 sdata_assert_lock(sdata);
817
7ca133bc 818 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 819 if (!old_beacon)
5dfdaf58 820 return -ENOENT;
7ca133bc 821 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 822
73da7d5b 823 /* abort any running channel switch */
59af6928 824 mutex_lock(&local->mtx);
73da7d5b 825 sdata->vif.csa_active = false;
a46992b4
LC		 826 if (sdata->csa_block_tx) {
827 ieee80211_wake_vif_queues(local, sdata,
828 IEEE80211_QUEUE_STOP_REASON_CSA);
829 sdata->csa_block_tx = false;
830 }
831
59af6928
MK		 832 mutex_unlock(&local->mtx);
833
1f3b8a2b
SW		 834 kfree(sdata->u.ap.next_beacon);
835 sdata->u.ap.next_beacon = NULL;
836
7b20b8e8 837 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 838 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
839 netif_carrier_off(vlan->dev);
840 netif_carrier_off(dev);
841
7b20b8e8 842 /* remove beacon and probe response */
a9b3cd7f 843 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 844 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
845 kfree_rcu(old_beacon, rcu_head);
846 if (old_probe_resp)
847 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 848 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 849
e716251d 850 __sta_info_flush(sdata, true);
7907c7d3 851 ieee80211_free_keys(sdata, true);
75de9113 852
d6a83228 853 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 854 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 855 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 856 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 857
a6b368f6 858 if (sdata->wdev.cac_started) {
d2859df5 859 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 860 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 861 cfg80211_cac_event(sdata->dev, &chandef,
862 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 863 GFP_KERNEL);
864 }
865
1041638f
JB		 866 drv_stop_ap(sdata->local, sdata);
867
7b20b8e8
JB		 868 /* free all potentially still buffered bcast frames */
869 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
870 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
871
34a3740d 872 mutex_lock(&local->mtx);
4e141dad 873 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 874 ieee80211_vif_release_channel(sdata);
34a3740d 875 mutex_unlock(&local->mtx);
55de908a 876
2d0ddec5 877 return 0;
5dfdaf58
JB		 878}
879
4fd6931e
JB		 880/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
881struct iapp_layer2_update {
882 u8 da[ETH_ALEN]; /* broadcast */
883 u8 sa[ETH_ALEN]; /* STA addr */
884 __be16 len; /* 6 */
885 u8 dsap; /* 0 */
886 u8 ssap; /* 0 */
887 u8 control;
888 u8 xid_info[3];
bc10502d 889} __packed;
4fd6931e
JB		 890
891static void ieee80211_send_layer2_update(struct sta_info *sta)
892{
893 struct iapp_layer2_update *msg;
894 struct sk_buff *skb;
895
896 /* Send Level 2 Update Frame to update forwarding tables in layer 2
897 * bridge devices */
898
899 skb = dev_alloc_skb(sizeof(*msg));
900 if (!skb)
901 return;
902 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
903
904 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
905 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
906
e83e6541 907 eth_broadcast_addr(msg->da);
17741cdc 908 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 909 msg->len = htons(6);
910 msg->dsap = 0;
911 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
912 msg->control = 0xaf; /* XID response lsb.1111F101.
913 * F=0 (no poll command; unsolicited frame) */
914 msg->xid_info[0] = 0x81; /* XID format identifier */
915 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
916 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
917
d0709a65
JB		 918 skb->dev = sta->sdata->dev;
919 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 920 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 921 netif_rx_ni(skb);
4fd6931e
JB		 922}
923
d582cffb
JB		 924static int sta_apply_auth_flags(struct ieee80211_local *local,
925 struct sta_info *sta,
926 u32 mask, u32 set)
927{
928 int ret;
929
930 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
931 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
932 !test_sta_flag(sta, WLAN_STA_AUTH)) {
933 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
934 if (ret)
935 return ret;
936 }
937
938 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
939 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
940 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
941 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
942 if (ret)
943 return ret;
944 }
945
946 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
947 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
948 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
949 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
950 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
951 else
952 ret = 0;
953 if (ret)
954 return ret;
955 }
956
957 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
958 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
959 test_sta_flag(sta, WLAN_STA_ASSOC)) {
960 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
961 if (ret)
962 return ret;
963 }
964
965 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
966 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
967 test_sta_flag(sta, WLAN_STA_AUTH)) {
968 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
969 if (ret)
970 return ret;
971 }
972
973 return 0;
974}
975
d9a7ddb0
JB		 976static int sta_apply_parameters(struct ieee80211_local *local,
977 struct sta_info *sta,
978 struct station_parameters *params)
4fd6931e 979{
d9a7ddb0 980 int ret = 0;
8318d78a 981 struct ieee80211_supported_band *sband;
d0709a65 982 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 983 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 984 u32 mask, set;
4fd6931e 985
55de908a 986 sband = local->hw.wiphy->bands[band];
ae5eb026 987
eccb8e8f
JB		 988 mask = params->sta_flags_mask;
989 set = params->sta_flags_set;
73651ee6 990
d582cffb
JB		 991 if (ieee80211_vif_is_mesh(&sdata->vif)) {
992 /*
993 * In mesh mode, ASSOCIATED isn't part of the nl80211
994 * API but must follow AUTHENTICATED for driver state.
995 */
996 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
997 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
998 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
999 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1000 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1001 /*
1002 * TDLS -- everything follows authorized, but
1003 * only becoming authorized is possible, not
1004 * going back
1005 */
1006 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1007 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1008 BIT(NL80211_STA_FLAG_ASSOCIATED);
1009 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1010 BIT(NL80211_STA_FLAG_ASSOCIATED);
1011 }
eccb8e8f 1012 }
4fd6931e 1013
68885a54
AN		 1014 /* auth flags will be set later for TDLS stations */
1015 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1016 ret = sta_apply_auth_flags(local, sta, mask, set);
1017 if (ret)
1018 return ret;
1019 }
d9a7ddb0 1020
eccb8e8f 1021 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1022 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1023 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1024 else
1025 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1026 }
4fd6931e 1027
a74a8c84
JB		 1028 if (mask & BIT(NL80211_STA_FLAG_WME))
1029 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
5394af4d 1030
eccb8e8f 1031 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1032 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1033 set_sta_flag(sta, WLAN_STA_MFP);
1034 else
1035 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1036 }
b39c48fa 1037
07ba55d7 1038 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1039 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1040 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1041 else
1042 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1043 }
4fd6931e 1044
3b9ce80c
JB		 1045 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1046 sta->sta.uapsd_queues = params->uapsd_queues;
1047 sta->sta.max_sp = params->max_sp;
1048 }
9533b4ac 1049
51b50fbe
JB		 1050 /*
1051 * cfg80211 validates this (1-2007) and allows setting the AID
1052 * only when creating a new station entry
1053 */
1054 if (params->aid)
1055 sta->sta.aid = params->aid;
1056
73651ee6 1057 /*
ba23d206
JB		 1058 * Some of the following updates would be racy if called on an
1059 * existing station, via ieee80211_change_station(). However,
1060 * all such changes are rejected by cfg80211 except for updates
1061 * changing the supported rates on an existing but not yet used
1062 * TDLS peer.
73651ee6
JB		 1063 */
1064
4fd6931e
JB		 1065 if (params->listen_interval >= 0)
1066 sta->listen_interval = params->listen_interval;
1067
1068 if (params->supported_rates) {
2103dec1
SW		 1069 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1070 sband, params->supported_rates,
1071 params->supported_rates_len,
1072 &sta->sta.supp_rates[band]);
4fd6931e 1073 }
c5dd9c2b 1074
d9fe60de 1075 if (params->ht_capa)
ef96a842 1076 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1077 params->ht_capa, sta);
36aedc90 1078
f461be3e
MP		 1079 if (params->vht_capa)
1080 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1081 params->vht_capa, sta);
f461be3e 1082
b1bce14a 1083 if (params->opmode_notif_used) {
b1bce14a
MK		 1084 /* returned value is only needed for rc update, but the
1085 * rc isn't initialized here yet, so ignore it
1086 */
1087 __ieee80211_vht_handle_opmode(sdata, sta,
1088 params->opmode_notif,
1089 band, false);
1090 }
1091
9c3990aa 1092 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1093#ifdef CONFIG_MAC80211_MESH
39886b61 1094 u32 changed = 0;
77ee7c89
JB		 1095
1096 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1097 switch (params->plink_state) {
57cf8043 1098 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1099 if (sta->plink_state != NL80211_PLINK_ESTAB)
1100 changed = mesh_plink_inc_estab_count(
1101 sdata);
1102 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1103
1104 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1105 changed |= ieee80211_mps_set_sta_local_pm(sta,
1106 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1107 break;
1108 case NL80211_PLINK_LISTEN:
57cf8043 1109 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1110 case NL80211_PLINK_OPN_SNT:
1111 case NL80211_PLINK_OPN_RCVD:
1112 case NL80211_PLINK_CNF_RCVD:
1113 case NL80211_PLINK_HOLDING:
1114 if (sta->plink_state == NL80211_PLINK_ESTAB)
1115 changed = mesh_plink_dec_estab_count(
1116 sdata);
9c3990aa 1117 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1118
1119 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1120 changed |= ieee80211_mps_set_sta_local_pm(sta,
1121 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1122 break;
1123 default:
1124 /* nothing */
1125 break;
1126 }
77ee7c89
JB		 1127 }
1128
1129 switch (params->plink_action) {
1130 case NL80211_PLINK_ACTION_NO_ACTION:
1131 /* nothing */
1132 break;
1133 case NL80211_PLINK_ACTION_OPEN:
1134 changed |= mesh_plink_open(sta);
1135 break;
1136 case NL80211_PLINK_ACTION_BLOCK:
1137 changed |= mesh_plink_block(sta);
1138 break;
1617bab8 1139 }
3f52b7e3
MP		 1140
1141 if (params->local_pm)
39886b61
TP		 1142 changed |=
1143 ieee80211_mps_set_sta_local_pm(sta,
1144 params->local_pm);
6c751ef8 1145 ieee80211_mbss_info_change_notify(sdata, changed);
4daf50f2 1146#endif
902acc78 1147 }
d9a7ddb0 1148
68885a54
AN		 1149 /* set the STA state after all sta info from usermode has been set */
1150 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1151 ret = sta_apply_auth_flags(local, sta, mask, set);
1152 if (ret)
1153 return ret;
1154 }
1155
d9a7ddb0 1156 return 0;
4fd6931e
JB		 1157}
1158
1159static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1160 const u8 *mac,
1161 struct station_parameters *params)
4fd6931e 1162{
14db74bc 1163 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1164 struct sta_info *sta;
1165 struct ieee80211_sub_if_data *sdata;
73651ee6 1166 int err;
b8d476c8 1167 int layer2_update;
4fd6931e 1168
4fd6931e
JB		 1169 if (params->vlan) {
1170 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1171
05c914fe
JB		 1172 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1173 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1174 return -EINVAL;
1175 } else
1176 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1177
b203ca39 1178 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1179 return -EINVAL;
1180
1181 if (is_multicast_ether_addr(mac))
1182 return -EINVAL;
1183
1184 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1185 if (!sta)
1186 return -ENOMEM;
4fd6931e 1187
d582cffb
JB		 1188 /*
1189 * defaults -- if userspace wants something else we'll
1190 * change it accordingly in sta_apply_parameters()
1191 */
77ee7c89
JB		 1192 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1193 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1194 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
0c4972cc
AN		 1195 } else {
1196 sta->sta.tdls = true;
77ee7c89 1197 }
4fd6931e 1198
d9a7ddb0
JB		 1199 err = sta_apply_parameters(local, sta, params);
1200 if (err) {
1201 sta_info_free(local, sta);
1202 return err;
1203 }
4fd6931e 1204
d64cf63e 1205 /*
77ee7c89
JB		 1206 * for TDLS, rate control should be initialized only when
1207 * rates are known and station is marked authorized
d64cf63e
AN		 1208 */
1209 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1210 rate_control_rate_init(sta);
4fd6931e 1211
b8d476c8
JM		 1212 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1213 sdata->vif.type == NL80211_IFTYPE_AP;
1214
34e89507 1215 err = sta_info_insert_rcu(sta);
73651ee6 1216 if (err) {
73651ee6
JB		 1217 rcu_read_unlock();
1218 return err;
1219 }
1220
b8d476c8 1221 if (layer2_update)
73651ee6
JB		 1222 ieee80211_send_layer2_update(sta);
1223
1224 rcu_read_unlock();
1225
4fd6931e
JB		 1226 return 0;
1227}
1228
1229static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1230 struct station_del_parameters *params)
4fd6931e 1231{
14db74bc 1232 struct ieee80211_sub_if_data *sdata;
4fd6931e 1233
14db74bc
JB		 1234 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1235
89c771e5
JM		 1236 if (params->mac)
1237 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1238
b998e8bb 1239 sta_info_flush(sdata);
4fd6931e
JB		 1240 return 0;
1241}
1242
1243static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1244 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1245 struct station_parameters *params)
1246{
abe60632 1247 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1248 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1249 struct sta_info *sta;
1250 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1251 enum cfg80211_station_type statype;
35b88623 1252 int err;
4fd6931e 1253
87be1e1e 1254 mutex_lock(&local->sta_mtx);
98dd6a57 1255
0e5ded5a 1256 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1257 if (!sta) {
77ee7c89
JB		 1258 err = -ENOENT;
1259 goto out_err;
98dd6a57 1260 }
4fd6931e 1261
77ee7c89
JB		 1262 switch (sdata->vif.type) {
1263 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1264 if (sdata->u.mesh.user_mpm)
eef941e6 1265 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1266 else
eef941e6 1267 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1268 break;
1269 case NL80211_IFTYPE_ADHOC:
1270 statype = CFG80211_STA_IBSS;
1271 break;
1272 case NL80211_IFTYPE_STATION:
1273 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1274 statype = CFG80211_STA_AP_STA;
1275 break;
1276 }
1277 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1278 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1279 else
1280 statype = CFG80211_STA_TDLS_PEER_SETUP;
1281 break;
1282 case NL80211_IFTYPE_AP:
1283 case NL80211_IFTYPE_AP_VLAN:
1284 statype = CFG80211_STA_AP_CLIENT;
1285 break;
1286 default:
1287 err = -EOPNOTSUPP;
1288 goto out_err;
bdd90d5e
JB		 1289 }
1290
77ee7c89
JB		 1291 err = cfg80211_check_station_change(wiphy, params, statype);
1292 if (err)
1293 goto out_err;
1294
d0709a65 1295 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1296 bool prev_4addr = false;
1297 bool new_4addr = false;
1298
4fd6931e
JB		 1299 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1300
9bc383de 1301 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1302 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1303 err = -EBUSY;
1304 goto out_err;
3305443c 1305 }
f14543ee 1306
cf778b00 1307 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1308 new_4addr = true;
1309 }
1310
1311 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1312 sta->sdata->u.vlan.sta) {
0c2bef46 1313 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
7e3ed02c 1314 prev_4addr = true;
f14543ee
FF		 1315 }
1316
14db74bc 1317 sta->sdata = vlansdata;
7e3ed02c
FF		 1318
1319 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1320 prev_4addr != new_4addr) {
1321 if (new_4addr)
1322 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1323 else
1324 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1325 }
1326
4fd6931e
JB		 1327 ieee80211_send_layer2_update(sta);
1328 }
1329
35b88623 1330 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1331 if (err)
1332 goto out_err;
4fd6931e 1333
77ee7c89
JB		 1334 /* When peer becomes authorized, init rate control as well */
1335 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1336 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1337 rate_control_rate_init(sta);
1338
87be1e1e 1339 mutex_unlock(&local->sta_mtx);
98dd6a57 1340
687da132
EG		 1341 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1342 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1343 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1344 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1345 sta_info_tx_streams(sta) != 1) {
1346 ht_dbg(sta->sdata,
1347 "%pM just authorized and MIMO capable - update SMPS\n",
1348 sta->sta.addr);
1349 ieee80211_send_smps_action(sta->sdata,
1350 sta->sdata->bss->req_smps,
1351 sta->sta.addr,
1352 sta->sdata->vif.bss_conf.bssid);
1353 }
1354
808118cb 1355 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1356 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1357 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1358 ieee80211_recalc_ps_vif(sdata);
1359 }
77ee7c89 1360
4fd6931e 1361 return 0;
77ee7c89
JB		 1362out_err:
1363 mutex_unlock(&local->sta_mtx);
1364 return err;
4fd6931e
JB		 1365}
1366
c5dd9c2b
LCC		 1367#ifdef CONFIG_MAC80211_MESH
1368static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1369 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1370{
14db74bc 1371 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1372 struct mesh_path *mpath;
1373 struct sta_info *sta;
c5dd9c2b 1374
14db74bc
JB		 1375 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1376
d0709a65 1377 rcu_read_lock();
abe60632 1378 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1379 if (!sta) {
1380 rcu_read_unlock();
c5dd9c2b 1381 return -ENOENT;
d0709a65 1382 }
c5dd9c2b 1383
ae76eef0
BC		 1384 mpath = mesh_path_add(sdata, dst);
1385 if (IS_ERR(mpath)) {
d0709a65 1386 rcu_read_unlock();
ae76eef0 1387 return PTR_ERR(mpath);
d0709a65 1388 }
c5dd9c2b 1389
c5dd9c2b 1390 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1391
c5dd9c2b
LCC		 1392 rcu_read_unlock();
1393 return 0;
1394}
1395
1396static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1397 const u8 *dst)
c5dd9c2b 1398{
f698d856
JBG		 1399 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1400
c5dd9c2b 1401 if (dst)
bf7cd94d 1402 return mesh_path_del(sdata, dst);
c5dd9c2b 1403
ece1a2e7 1404 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1405 return 0;
1406}
1407
3b3a0162
JB		 1408static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1409 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1410{
14db74bc 1411 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1412 struct mesh_path *mpath;
1413 struct sta_info *sta;
1414
14db74bc
JB		 1415 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1416
d0709a65
JB		 1417 rcu_read_lock();
1418
abe60632 1419 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1420 if (!sta) {
1421 rcu_read_unlock();
c5dd9c2b 1422 return -ENOENT;
d0709a65 1423 }
c5dd9c2b 1424
bf7cd94d 1425 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1426 if (!mpath) {
1427 rcu_read_unlock();
c5dd9c2b
LCC		 1428 return -ENOENT;
1429 }
1430
1431 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1432
c5dd9c2b
LCC		 1433 rcu_read_unlock();
1434 return 0;
1435}
1436
1437static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1438 struct mpath_info *pinfo)
1439{
a3836e02
JB		 1440 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1441
1442 if (next_hop_sta)
1443 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1444 else
1445 memset(next_hop, 0, ETH_ALEN);
1446
7ce8c7a3
LAYS		 1447 memset(pinfo, 0, sizeof(*pinfo));
1448
f5ea9120
JB		 1449 pinfo->generation = mesh_paths_generation;
1450
c5dd9c2b 1451 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1452 MPATH_INFO_SN |
c5dd9c2b
LCC		 1453 MPATH_INFO_METRIC |
1454 MPATH_INFO_EXPTIME |
1455 MPATH_INFO_DISCOVERY_TIMEOUT |
1456 MPATH_INFO_DISCOVERY_RETRIES |
1457 MPATH_INFO_FLAGS;
1458
1459 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1460 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1461 pinfo->metric = mpath->metric;
1462 if (time_before(jiffies, mpath->exp_time))
1463 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1464 pinfo->discovery_timeout =
1465 jiffies_to_msecs(mpath->discovery_timeout);
1466 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1467 if (mpath->flags & MESH_PATH_ACTIVE)
1468 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1469 if (mpath->flags & MESH_PATH_RESOLVING)
1470 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1471 if (mpath->flags & MESH_PATH_SN_VALID)
1472 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1473 if (mpath->flags & MESH_PATH_FIXED)
1474 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1475 if (mpath->flags & MESH_PATH_RESOLVED)
1476 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1477}
1478
1479static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1480 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1481
1482{
14db74bc 1483 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1484 struct mesh_path *mpath;
1485
14db74bc
JB		 1486 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1487
c5dd9c2b 1488 rcu_read_lock();
bf7cd94d 1489 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1490 if (!mpath) {
1491 rcu_read_unlock();
1492 return -ENOENT;
1493 }
1494 memcpy(dst, mpath->dst, ETH_ALEN);
1495 mpath_set_pinfo(mpath, next_hop, pinfo);
1496 rcu_read_unlock();
1497 return 0;
1498}
1499
1500static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1501 int idx, u8 *dst, u8 *next_hop,
1502 struct mpath_info *pinfo)
c5dd9c2b 1503{
14db74bc 1504 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1505 struct mesh_path *mpath;
1506
14db74bc
JB		 1507 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1508
c5dd9c2b 1509 rcu_read_lock();
bf7cd94d 1510 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1511 if (!mpath) {
1512 rcu_read_unlock();
1513 return -ENOENT;
1514 }
1515 memcpy(dst, mpath->dst, ETH_ALEN);
1516 mpath_set_pinfo(mpath, next_hop, pinfo);
1517 rcu_read_unlock();
1518 return 0;
1519}
93da9cc1 1520
a2db2ed3
HR		 1521static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1522 struct mpath_info *pinfo)
1523{
1524 memset(pinfo, 0, sizeof(*pinfo));
1525 memcpy(mpp, mpath->mpp, ETH_ALEN);
1526
1527 pinfo->generation = mpp_paths_generation;
1528}
1529
1530static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1531 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1532
1533{
1534 struct ieee80211_sub_if_data *sdata;
1535 struct mesh_path *mpath;
1536
1537 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1538
1539 rcu_read_lock();
1540 mpath = mpp_path_lookup(sdata, dst);
1541 if (!mpath) {
1542 rcu_read_unlock();
1543 return -ENOENT;
1544 }
1545 memcpy(dst, mpath->dst, ETH_ALEN);
1546 mpp_set_pinfo(mpath, mpp, pinfo);
1547 rcu_read_unlock();
1548 return 0;
1549}
1550
1551static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1552 int idx, u8 *dst, u8 *mpp,
1553 struct mpath_info *pinfo)
1554{
1555 struct ieee80211_sub_if_data *sdata;
1556 struct mesh_path *mpath;
1557
1558 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1559
1560 rcu_read_lock();
1561 mpath = mpp_path_lookup_by_idx(sdata, idx);
1562 if (!mpath) {
1563 rcu_read_unlock();
1564 return -ENOENT;
1565 }
1566 memcpy(dst, mpath->dst, ETH_ALEN);
1567 mpp_set_pinfo(mpath, mpp, pinfo);
1568 rcu_read_unlock();
1569 return 0;
1570}
1571
24bdd9f4 1572static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1573 struct net_device *dev,
1574 struct mesh_config *conf)
1575{
1576 struct ieee80211_sub_if_data *sdata;
1577 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1578
93da9cc1 1579 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1580 return 0;
1581}
1582
1583static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1584{
1585 return (mask >> (parm-1)) & 0x1;
1586}
1587
c80d545d
JC		 1588static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1589 const struct mesh_setup *setup)
1590{
1591 u8 *new_ie;
1592 const u8 *old_ie;
4bb62344
CYY		 1593 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1594 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1595
581a8b0f 1596 /* allocate information elements */
c80d545d 1597 new_ie = NULL;
581a8b0f 1598 old_ie = ifmsh->ie;
c80d545d 1599
581a8b0f
JC		 1600 if (setup->ie_len) {
1601 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1602 GFP_KERNEL);
1603 if (!new_ie)
1604 return -ENOMEM;
1605 }
581a8b0f
JC		 1606 ifmsh->ie_len = setup->ie_len;
1607 ifmsh->ie = new_ie;
1608 kfree(old_ie);
c80d545d
JC		 1609
1610 /* now copy the rest of the setup parameters */
1611 ifmsh->mesh_id_len = setup->mesh_id_len;
1612 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1613 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1614 ifmsh->mesh_pp_id = setup->path_sel_proto;
1615 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1616 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1617 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1618 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1619 if (setup->is_authenticated)
1620 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1621 if (setup->is_secure)
1622 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1623
4bb62344
CYY		 1624 /* mcast rate setting in Mesh Node */
1625 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1626 sizeof(setup->mcast_rate));
ffb3cf30 1627 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1628
9bdbf04d
MP		 1629 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1630 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1631
c80d545d
JC		 1632 return 0;
1633}
1634
24bdd9f4 1635static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1636 struct net_device *dev, u32 mask,
1637 const struct mesh_config *nconf)
93da9cc1 1638{
1639 struct mesh_config *conf;
1640 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1641 struct ieee80211_if_mesh *ifmsh;
1642
93da9cc1 1643 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1644 ifmsh = &sdata->u.mesh;
93da9cc1 1645
93da9cc1 1646 /* Set the config options which we are interested in setting */
1647 conf = &(sdata->u.mesh.mshcfg);
1648 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1649 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1650 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1651 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1652 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1653 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1654 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1655 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1656 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1657 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1658 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1659 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1660 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1661 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1662 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1663 if (ifmsh->user_mpm)
1664 return -EBUSY;
93da9cc1 1665 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1666 }
d299a1f2
JC		 1667 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1668 conf->dot11MeshNbrOffsetMaxNeighbor =
1669 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1670 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1671 conf->dot11MeshHWMPmaxPREQretries =
1672 nconf->dot11MeshHWMPmaxPREQretries;
1673 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1674 conf->path_refresh_time = nconf->path_refresh_time;
1675 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1676 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1677 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1678 conf->dot11MeshHWMPactivePathTimeout =
1679 nconf->dot11MeshHWMPactivePathTimeout;
1680 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1681 conf->dot11MeshHWMPpreqMinInterval =
1682 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1683 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1684 conf->dot11MeshHWMPperrMinInterval =
1685 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1686 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1687 mask))
1688 conf->dot11MeshHWMPnetDiameterTraversalTime =
1689 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1690 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1691 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1692 ieee80211_mesh_root_setup(ifmsh);
1693 }
16dd7267 1694 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1695 /* our current gate announcement implementation rides on root
1696 * announcements, so require this ifmsh to also be a root node
1697 * */
1698 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1699 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1700 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1701 ieee80211_mesh_root_setup(ifmsh);
1702 }
16dd7267
JC		 1703 conf->dot11MeshGateAnnouncementProtocol =
1704 nconf->dot11MeshGateAnnouncementProtocol;
1705 }
a4f606ea 1706 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1707 conf->dot11MeshHWMPRannInterval =
1708 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1709 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1710 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1711 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1712 /* our RSSI threshold implementation is supported only for
1713 * devices that report signal in dBm.
1714 */
1715 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1716 return -ENOTSUPP;
1717 conf->rssi_threshold = nconf->rssi_threshold;
1718 }
70c33eaa
AN		 1719 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1720 conf->ht_opmode = nconf->ht_opmode;
1721 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1722 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1723 }
ac1073a6
CYY		 1724 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1725 conf->dot11MeshHWMPactivePathToRootTimeout =
1726 nconf->dot11MeshHWMPactivePathToRootTimeout;
1727 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1728 conf->dot11MeshHWMProotInterval =
1729 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1730 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1731 conf->dot11MeshHWMPconfirmationInterval =
1732 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1733 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1734 conf->power_mode = nconf->power_mode;
1735 ieee80211_mps_local_status_update(sdata);
1736 }
2b5e1967 1737 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1738 conf->dot11MeshAwakeWindowDuration =
1739 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1740 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1741 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1742 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1743 return 0;
1744}
1745
29cbe68c
JB		 1746static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1747 const struct mesh_config *conf,
1748 const struct mesh_setup *setup)
1749{
1750 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1751 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1752 int err;
29cbe68c 1753
c80d545d
JC		 1754 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1755 err = copy_mesh_setup(ifmsh, setup);
1756 if (err)
1757 return err;
cc1d2806 1758
04ecd257
JB		 1759 /* can mesh use other SMPS modes? */
1760 sdata->smps_mode = IEEE80211_SMPS_OFF;
1761 sdata->needed_rx_chains = sdata->local->rx_chains;
1762
34a3740d 1763 mutex_lock(&sdata->local->mtx);
4bf88530 1764 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1765 IEEE80211_CHANCTX_SHARED);
34a3740d 1766 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1767 if (err)
1768 return err;
1769
2b5e1967 1770 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1771}
1772
1773static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1774{
1775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1776
1777 ieee80211_stop_mesh(sdata);
34a3740d 1778 mutex_lock(&sdata->local->mtx);
55de908a 1779 ieee80211_vif_release_channel(sdata);
34a3740d 1780 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 1781
1782 return 0;
1783}
c5dd9c2b
LCC		 1784#endif
1785
9f1ba906
JM		 1786static int ieee80211_change_bss(struct wiphy *wiphy,
1787 struct net_device *dev,
1788 struct bss_parameters *params)
1789{
55de908a
JB		 1790 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1791 enum ieee80211_band band;
9f1ba906
JM		 1792 u32 changed = 0;
1793
7ca133bc 1794 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1795 return -ENOENT;
1796
1797 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1798
9f1ba906 1799 if (params->use_cts_prot >= 0) {
bda3933a 1800 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1801 changed |= BSS_CHANGED_ERP_CTS_PROT;
1802 }
1803 if (params->use_short_preamble >= 0) {
bda3933a 1804 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1805 params->use_short_preamble;
1806 changed |= BSS_CHANGED_ERP_PREAMBLE;
1807 }
43d35343
FF		 1808
1809 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1810 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1811 sdata->vif.bss_conf.use_short_slot = true;
1812 changed |= BSS_CHANGED_ERP_SLOT;
1813 }
1814
9f1ba906 1815 if (params->use_short_slot_time >= 0) {
bda3933a 1816 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1817 params->use_short_slot_time;
1818 changed |= BSS_CHANGED_ERP_SLOT;
1819 }
1820
90c97a04 1821 if (params->basic_rates) {
2103dec1
SW		 1822 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1823 wiphy->bands[band],
1824 params->basic_rates,
1825 params->basic_rates_len,
1826 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1827 changed |= BSS_CHANGED_BASIC_RATES;
1828 }
1829
7b7b5e56
FF		 1830 if (params->ap_isolate >= 0) {
1831 if (params->ap_isolate)
1832 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1833 else
1834 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1835 }
1836
80d7e403
HS		 1837 if (params->ht_opmode >= 0) {
1838 sdata->vif.bss_conf.ht_operation_mode =
1839 (u16) params->ht_opmode;
1840 changed |= BSS_CHANGED_HT;
1841 }
1842
339afbf4 1843 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1844 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1845 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1846 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1847 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1848 changed |= BSS_CHANGED_P2P_PS;
1849 }
1850
67baf663
JD		 1851 if (params->p2p_opp_ps > 0) {
1852 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1853 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1854 changed |= BSS_CHANGED_P2P_PS;
1855 } else if (params->p2p_opp_ps == 0) {
1856 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1857 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1858 changed |= BSS_CHANGED_P2P_PS;
1859 }
1860
9f1ba906
JM		 1861 ieee80211_bss_info_change_notify(sdata, changed);
1862
1863 return 0;
1864}
1865
31888487 1866static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1867 struct net_device *dev,
31888487
JM		 1868 struct ieee80211_txq_params *params)
1869{
1870 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1871 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1872 struct ieee80211_tx_queue_params p;
1873
1874 if (!local->ops->conf_tx)
1875 return -EOPNOTSUPP;
1876
54bcbc69
JB		 1877 if (local->hw.queues < IEEE80211_NUM_ACS)
1878 return -EOPNOTSUPP;
1879
31888487
JM		 1880 memset(&p, 0, sizeof(p));
1881 p.aifs = params->aifs;
1882 p.cw_max = params->cwmax;
1883 p.cw_min = params->cwmin;
1884 p.txop = params->txop;
ab13315a
KV		 1885
1886 /*
1887 * Setting tx queue params disables u-apsd because it's only
1888 * called in master mode.
1889 */
1890 p.uapsd = false;
1891
a3304b0a
JB		 1892 sdata->tx_conf[params->ac] = p;
1893 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1894 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1895 "failed to set TX queue parameters for AC %d\n",
1896 params->ac);
31888487
JM		 1897 return -EINVAL;
1898 }
1899
7d25745d
JB		 1900 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1901
31888487
JM		 1902 return 0;
1903}
1904
665af4fc 1905#ifdef CONFIG_PM
ff1b6e69
JB		 1906static int ieee80211_suspend(struct wiphy *wiphy,
1907 struct cfg80211_wowlan *wowlan)
665af4fc 1908{
eecc4800 1909 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1910}
1911
1912static int ieee80211_resume(struct wiphy *wiphy)
1913{
1914 return __ieee80211_resume(wiphy_priv(wiphy));
1915}
1916#else
1917#define ieee80211_suspend NULL
1918#define ieee80211_resume NULL
1919#endif
1920
2a519311 1921static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1922 struct cfg80211_scan_request *req)
1923{
fd014284
JB		 1924 struct ieee80211_sub_if_data *sdata;
1925
1926 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1927
2ca27bcf
JB		 1928 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1929 case NL80211_IFTYPE_STATION:
1930 case NL80211_IFTYPE_ADHOC:
1931 case NL80211_IFTYPE_MESH_POINT:
1932 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1933 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1934 break;
1935 case NL80211_IFTYPE_P2P_GO:
1936 if (sdata->local->ops->hw_scan)
1937 break;
e9d7732e
JB		 1938 /*
1939 * FIXME: implement NoA while scanning in software,
1940 * for now fall through to allow scanning only when
1941 * beaconing hasn't been configured yet
1942 */
2ca27bcf 1943 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1944 /*
1945 * If the scan has been forced (and the driver supports
1946 * forcing), don't care about being beaconing already.
1947 * This will create problems to the attached stations (e.g. all
1948 * the frames sent while scanning on other channel will be
1949 * lost)
1950 */
1951 if (sdata->u.ap.beacon &&
1952 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1953 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 1954 return -EOPNOTSUPP;
1955 break;
1956 default:
1957 return -EOPNOTSUPP;
1958 }
2a519311
JB		 1959
1960 return ieee80211_request_scan(sdata, req);
1961}
1962
79f460ca
LC		 1963static int
1964ieee80211_sched_scan_start(struct wiphy *wiphy,
1965 struct net_device *dev,
1966 struct cfg80211_sched_scan_request *req)
1967{
1968 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1969
1970 if (!sdata->local->ops->sched_scan_start)
1971 return -EOPNOTSUPP;
1972
1973 return ieee80211_request_sched_scan_start(sdata, req);
1974}
1975
1976static int
85a9994a 1977ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1978{
1979 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1980
1981 if (!sdata->local->ops->sched_scan_stop)
1982 return -EOPNOTSUPP;
1983
85a9994a 1984 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1985}
1986
636a5d36
JM		 1987static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1988 struct cfg80211_auth_request *req)
1989{
77fdaa12 1990 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1991}
1992
1993static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1994 struct cfg80211_assoc_request *req)
1995{
77fdaa12 1996 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1997}
1998
1999static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2000 struct cfg80211_deauth_request *req)
636a5d36 2001{
63c9c5e7 2002 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2003}
2004
2005static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2006 struct cfg80211_disassoc_request *req)
636a5d36 2007{
63c9c5e7 2008 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2009}
2010
af8cdcd8
JB		 2011static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2012 struct cfg80211_ibss_params *params)
2013{
55de908a 2014 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2015}
2016
2017static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2018{
55de908a 2019 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2020}
2021
391e53e3
AQ		 2022static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2023 int rate[IEEE80211_NUM_BANDS])
2024{
2025 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2026
9887dbf5
CD		 2027 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2028 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2029
2030 return 0;
2031}
2032
b9a5f8ca
JM		 2033static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2034{
2035 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2036 int err;
b9a5f8ca 2037
f23a4780
AN		 2038 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2039 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2040
2041 if (err)
2042 return err;
2043 }
2044
a4bcaf55
LB		 2045 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2046 (changed & WIPHY_PARAM_DYN_ACK)) {
2047 s16 coverage_class;
2048
2049 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2050 wiphy->coverage_class : -1;
2051 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2052
2053 if (err)
2054 return err;
2055 }
2056
b9a5f8ca 2057 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2058 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2059
24487981
JB		 2060 if (err)
2061 return err;
b9a5f8ca
JM		 2062 }
2063
8bc83c24
JB		 2064 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2065 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2066 return -EINVAL;
b9a5f8ca 2067 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2068 }
2069 if (changed & WIPHY_PARAM_RETRY_LONG) {
2070 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2071 return -EINVAL;
b9a5f8ca 2072 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2073 }
b9a5f8ca
JM		 2074 if (changed &
2075 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2076 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2077
2078 return 0;
2079}
2080
7643a2c3 2081static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2082 struct wireless_dev *wdev,
fa61cf70 2083 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2084{
2085 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2086 struct ieee80211_sub_if_data *sdata;
7643a2c3 2087
1ea6f9c0
JB		 2088 if (wdev) {
2089 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2090
2091 switch (type) {
2092 case NL80211_TX_POWER_AUTOMATIC:
2093 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2094 break;
2095 case NL80211_TX_POWER_LIMITED:
2096 case NL80211_TX_POWER_FIXED:
2097 if (mbm < 0 || (mbm % 100))
2098 return -EOPNOTSUPP;
2099 sdata->user_power_level = MBM_TO_DBM(mbm);
2100 break;
2101 }
2102
2103 ieee80211_recalc_txpower(sdata);
2104
2105 return 0;
2106 }
55de908a 2107
7643a2c3 2108 switch (type) {
fa61cf70 2109 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2110 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2111 break;
fa61cf70 2112 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2113 case NL80211_TX_POWER_FIXED:
2114 if (mbm < 0 || (mbm % 100))
2115 return -EOPNOTSUPP;
fa61cf70 2116 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2117 break;
7643a2c3
JB		 2118 }
2119
1ea6f9c0
JB		 2120 mutex_lock(&local->iflist_mtx);
2121 list_for_each_entry(sdata, &local->interfaces, list)
2122 sdata->user_power_level = local->user_power_level;
2123 list_for_each_entry(sdata, &local->interfaces, list)
2124 ieee80211_recalc_txpower(sdata);
2125 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2126
2127 return 0;
2128}
2129
c8442118
JB		 2130static int ieee80211_get_tx_power(struct wiphy *wiphy,
2131 struct wireless_dev *wdev,
2132 int *dbm)
7643a2c3
JB		 2133{
2134 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2135 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2136
5b3dc42b
FF		 2137 if (local->ops->get_txpower)
2138 return drv_get_txpower(local, sdata, dbm);
2139
1ea6f9c0
JB		 2140 if (!local->use_chanctx)
2141 *dbm = local->hw.conf.power_level;
2142 else
2143 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2144
7643a2c3
JB		 2145 return 0;
2146}
2147
ab737a4f 2148static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2149 const u8 *addr)
ab737a4f
JB		 2150{
2151 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2152
2153 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2154
2155 return 0;
2156}
2157
1f87f7d3
JB		 2158static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2159{
2160 struct ieee80211_local *local = wiphy_priv(wiphy);
2161
2162 drv_rfkill_poll(local);
2163}
2164
aff89a9b 2165#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2166static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2167 struct wireless_dev *wdev,
2168 void *data, int len)
aff89a9b
JB		 2169{
2170 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2171 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2172
2173 if (!local->ops->testmode_cmd)
2174 return -EOPNOTSUPP;
2175
52981cd7
DS		 2176 if (wdev) {
2177 struct ieee80211_sub_if_data *sdata;
2178
2179 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2180 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2181 vif = &sdata->vif;
2182 }
2183
2184 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2185}
71063f0e
WYG		 2186
2187static int ieee80211_testmode_dump(struct wiphy *wiphy,
2188 struct sk_buff *skb,
2189 struct netlink_callback *cb,
2190 void *data, int len)
2191{
2192 struct ieee80211_local *local = wiphy_priv(wiphy);
2193
2194 if (!local->ops->testmode_dump)
2195 return -EOPNOTSUPP;
2196
2197 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2198}
aff89a9b
JB		 2199#endif
2200
687da132
EG		 2201int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2202 enum ieee80211_smps_mode smps_mode)
2203{
2204 struct sta_info *sta;
2205 enum ieee80211_smps_mode old_req;
2206 int i;
2207
2208 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2209 return -EINVAL;
2210
2211 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2212 return 0;
2213
2214 old_req = sdata->u.ap.req_smps;
2215 sdata->u.ap.req_smps = smps_mode;
2216
2217 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2218 if (old_req == smps_mode ||
2219 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2220 return 0;
2221
2222 /* If no associated stations, there's no need to do anything */
2223 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2224 sdata->smps_mode = smps_mode;
2225 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2226 return 0;
2227 }
2228
2229 ht_dbg(sdata,
2230 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2231 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2232
2233 mutex_lock(&sdata->local->sta_mtx);
2234 for (i = 0; i < STA_HASH_SIZE; i++) {
2235 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2236 lockdep_is_held(&sdata->local->sta_mtx));
2237 sta;
2238 sta = rcu_dereference_protected(sta->hnext,
2239 lockdep_is_held(&sdata->local->sta_mtx))) {
2240 /*
2241 * Only stations associated to our AP and
2242 * associated VLANs
2243 */
2244 if (sta->sdata->bss != &sdata->u.ap)
2245 continue;
2246
2247 /* This station doesn't support MIMO - skip it */
2248 if (sta_info_tx_streams(sta) == 1)
2249 continue;
2250
2251 /*
2252 * Don't wake up a STA just to send the action frame
2253 * unless we are getting more restrictive.
2254 */
2255 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2256 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2257 smps_mode)) {
2258 ht_dbg(sdata,
2259 "Won't send SMPS to sleeping STA %pM\n",
2260 sta->sta.addr);
2261 continue;
2262 }
2263
2264 /*
2265 * If the STA is not authorized, wait until it gets
2266 * authorized and the action frame will be sent then.
2267 */
2268 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2269 continue;
2270
2271 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2272 ieee80211_send_smps_action(sdata, smps_mode,
2273 sta->sta.addr,
2274 sdata->vif.bss_conf.bssid);
2275 }
2276 }
2277 mutex_unlock(&sdata->local->sta_mtx);
2278
2279 sdata->smps_mode = smps_mode;
2280 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2281
2282 return 0;
2283}
2284
2285int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2286 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2287{
2288 const u8 *ap;
2289 enum ieee80211_smps_mode old_req;
2290 int err;
2291
8d61ffa5 2292 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2293
687da132
EG		 2294 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2295 return -EINVAL;
2296
0f78231b
JB		 2297 old_req = sdata->u.mgd.req_smps;
2298 sdata->u.mgd.req_smps = smps_mode;
2299
2300 if (old_req == smps_mode &&
2301 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2302 return 0;
2303
2304 /*
2305 * If not associated, or current association is not an HT
04ecd257
JB		 2306 * association, there's no need to do anything, just store
2307 * the new value until we associate.
0f78231b
JB		 2308 */
2309 if (!sdata->u.mgd.associated ||
4bf88530 2310 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2311 return 0;
0f78231b 2312
0c1ad2ca 2313 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2314
2315 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2316 if (sdata->u.mgd.powersave)
2317 smps_mode = IEEE80211_SMPS_DYNAMIC;
2318 else
2319 smps_mode = IEEE80211_SMPS_OFF;
2320 }
2321
2322 /* send SM PS frame to AP */
2323 err = ieee80211_send_smps_action(sdata, smps_mode,
2324 ap, ap);
2325 if (err)
2326 sdata->u.mgd.req_smps = old_req;
2327
2328 return err;
2329}
2330
bc92afd9
JB		 2331static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2332 bool enabled, int timeout)
2333{
2334 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2335 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2336
2d3db210 2337 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2338 return -EOPNOTSUPP;
2339
bc92afd9
JB		 2340 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2341 return -EOPNOTSUPP;
2342
2343 if (enabled == sdata->u.mgd.powersave &&
ff616381 2344 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2345 return 0;
2346
2347 sdata->u.mgd.powersave = enabled;
ff616381 2348 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2349
0f78231b 2350 /* no change, but if automatic follow powersave */
ed405be5 2351 sdata_lock(sdata);
687da132 2352 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2353 sdata_unlock(sdata);
0f78231b 2354
bc92afd9
JB		 2355 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2356 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2357
2358 ieee80211_recalc_ps(local, -1);
ab095877 2359 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2360
2361 return 0;
2362}
2363
a97c13c3
JO		 2364static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2365 struct net_device *dev,
2366 s32 rssi_thold, u32 rssi_hyst)
2367{
2368 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2369 struct ieee80211_vif *vif = &sdata->vif;
2370 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2371
a97c13c3
JO		 2372 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2373 rssi_hyst == bss_conf->cqm_rssi_hyst)
2374 return 0;
2375
2376 bss_conf->cqm_rssi_thold = rssi_thold;
2377 bss_conf->cqm_rssi_hyst = rssi_hyst;
2378
2379 /* tell the driver upon association, unless already associated */
ea086359
JB		 2380 if (sdata->u.mgd.associated &&
2381 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2382 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2383
2384 return 0;
2385}
2386
9930380f
JB		 2387static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2388 struct net_device *dev,
2389 const u8 *addr,
2390 const struct cfg80211_bitrate_mask *mask)
2391{
2392 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2393 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2394 int i, ret;
2c7e6bc9 2395
554a43d5
EP		 2396 if (!ieee80211_sdata_running(sdata))
2397 return -ENETDOWN;
2398
bdbfd6b5
SM		 2399 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2400 ret = drv_set_bitrate_mask(local, sdata, mask);
2401 if (ret)
2402 return ret;
2403 }
9930380f 2404
19468413 2405 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2406 struct ieee80211_supported_band *sband = wiphy->bands[i];
2407 int j;
2408
37eb0b16 2409 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2410 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2411 sizeof(mask->control[i].ht_mcs));
2ffbe6d3
FF		 2412
2413 sdata->rc_has_mcs_mask[i] = false;
2414 if (!sband)
2415 continue;
2416
2417 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2418 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2419 sdata->rc_has_mcs_mask[i] = true;
2420 break;
2421 }
19468413 2422 }
9930380f 2423
37eb0b16 2424 return 0;
9930380f
JB		 2425}
2426
eaa336b0
EP		 2427static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2428 struct ieee80211_roc_work *new_roc,
2429 struct ieee80211_roc_work *cur_roc)
2430{
2431 unsigned long j = jiffies;
2432 unsigned long cur_roc_end = cur_roc->hw_start_time +
2433 msecs_to_jiffies(cur_roc->duration);
2434 struct ieee80211_roc_work *next_roc;
2435 int new_dur;
2436
2437 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2438 return false;
2439
2440 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2441 return false;
2442
2443 ieee80211_handle_roc_started(new_roc);
2444
2445 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2446
2447 /* cur_roc is long enough - add new_roc to the dependents list. */
2448 if (new_dur <= 0) {
2449 list_add_tail(&new_roc->list, &cur_roc->dependents);
2450 return true;
2451 }
2452
2453 new_roc->duration = new_dur;
2454
2455 /*
2456 * if cur_roc was already coalesced before, we might
2457 * want to extend the next roc instead of adding
2458 * a new one.
2459 */
2460 next_roc = list_entry(cur_roc->list.next,
2461 struct ieee80211_roc_work, list);
2462 if (&next_roc->list != &local->roc_list &&
2463 next_roc->chan == new_roc->chan &&
2464 next_roc->sdata == new_roc->sdata &&
2465 !WARN_ON(next_roc->started)) {
2466 list_add_tail(&new_roc->list, &next_roc->dependents);
2467 next_roc->duration = max(next_roc->duration,
2468 new_roc->duration);
2469 next_roc->type = max(next_roc->type, new_roc->type);
2470 return true;
2471 }
2472
2473 /* add right after cur_roc */
2474 list_add(&new_roc->list, &cur_roc->list);
2475
2476 return true;
2477}
2478
2eb278e0
JB		 2479static int ieee80211_start_roc_work(struct ieee80211_local *local,
2480 struct ieee80211_sub_if_data *sdata,
2481 struct ieee80211_channel *channel,
2eb278e0 2482 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2483 struct sk_buff *txskb,
2484 enum ieee80211_roc_type type)
2eb278e0
JB		 2485{
2486 struct ieee80211_roc_work *roc, *tmp;
2487 bool queued = false;
21f83589 2488 int ret;
21f83589
JB		 2489
2490 lockdep_assert_held(&local->mtx);
2491
fe57d9f5
JB		 2492 if (local->use_chanctx && !local->ops->remain_on_channel)
2493 return -EOPNOTSUPP;
2494
2eb278e0
JB		 2495 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2496 if (!roc)
2497 return -ENOMEM;
2498
2fae062e
IP		 2499 /*
2500 * If the duration is zero, then the driver
2501 * wouldn't actually do anything. Set it to
2502 * 10 for now.
2503 *
2504 * TODO: cancel the off-channel operation
2505 * when we get the SKB's TX status and
2506 * the wait time was zero before.
2507 */
2508 if (!duration)
2509 duration = 10;
2510
2eb278e0 2511 roc->chan = channel;
2eb278e0
JB		 2512 roc->duration = duration;
2513 roc->req_duration = duration;
2514 roc->frame = txskb;
d339d5ca 2515 roc->type = type;
2eb278e0
JB		 2516 roc->mgmt_tx_cookie = (unsigned long)txskb;
2517 roc->sdata = sdata;
2518 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2519 INIT_LIST_HEAD(&roc->dependents);
2520
2f617435
EP		 2521 /*
2522 * cookie is either the roc cookie (for normal roc)
2523 * or the SKB (for mgmt TX)
2524 */
2525 if (!txskb) {
2526 /* local->mtx protects this */
2527 local->roc_cookie_counter++;
2528 roc->cookie = local->roc_cookie_counter;
2529 /* wow, you wrapped 64 bits ... more likely a bug */
2530 if (WARN_ON(roc->cookie == 0)) {
2531 roc->cookie = 1;
2532 local->roc_cookie_counter++;
2533 }
2534 *cookie = roc->cookie;
2535 } else {
2536 *cookie = (unsigned long)txskb;
2537 }
2538
2eb278e0 2539 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2540 if (!list_empty(&local->roc_list) ||
2541 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2542 goto out_check_combine;
2543
2544 /* if not HW assist, just queue & schedule work */
2545 if (!local->ops->remain_on_channel) {
2546 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2547 goto out_queue;
2548 }
2549
2550 /* otherwise actually kick it off here (for error handling) */
2551
d339d5ca 2552 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2553 if (ret) {
2eb278e0
JB		 2554 kfree(roc);
2555 return ret;
21f83589
JB		 2556 }
2557
2eb278e0
JB		 2558 roc->started = true;
2559 goto out_queue;
2560
2561 out_check_combine:
2562 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2563 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2564 continue;
2565
2566 /*
2567 * Extend this ROC if possible:
2568 *
2569 * If it hasn't started yet, just increase the duration
2570 * and add the new one to the list of dependents.
d339d5ca
IP		 2571 * If the type of the new ROC has higher priority, modify the
2572 * type of the previous one to match that of the new one.
2eb278e0
JB		 2573 */
2574 if (!tmp->started) {
2575 list_add_tail(&roc->list, &tmp->dependents);
2576 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2577 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2578 queued = true;
2579 break;
2580 }
2581
2582 /* If it has already started, it's more difficult ... */
2583 if (local->ops->remain_on_channel) {
2eb278e0
JB		 2584 /*
2585 * In the offloaded ROC case, if it hasn't begun, add
2586 * this new one to the dependent list to be handled
d339d5ca 2587 * when the master one begins. If it has begun,
2eb278e0
JB		 2588 * check that there's still a minimum time left and
2589 * if so, start this one, transmitting the frame, but
d339d5ca 2590 * add it to the list directly after this one with
2eb278e0
JB		 2591 * a reduced time so we'll ask the driver to execute
2592 * it right after finishing the previous one, in the
2593 * hope that it'll also be executed right afterwards,
2594 * effectively extending the old one.
2595 * If there's no minimum time left, just add it to the
2596 * normal list.
d339d5ca
IP		 2597 * TODO: the ROC type is ignored here, assuming that it
2598 * is better to immediately use the current ROC.
2eb278e0
JB		 2599 */
2600 if (!tmp->hw_begun) {
2601 list_add_tail(&roc->list, &tmp->dependents);
2602 queued = true;
2603 break;
2604 }
2605
eaa336b0 2606 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2eb278e0 2607 queued = true;
2eb278e0
JB		 2608 } else if (del_timer_sync(&tmp->work.timer)) {
2609 unsigned long new_end;
2610
2611 /*
2612 * In the software ROC case, cancel the timer, if
2613 * that fails then the finish work is already
2614 * queued/pending and thus we queue the new ROC
2615 * normally, if that succeeds then we can extend
2616 * the timer duration and TX the frame (if any.)
2617 */
2618
2619 list_add_tail(&roc->list, &tmp->dependents);
2620 queued = true;
2621
2622 new_end = jiffies + msecs_to_jiffies(roc->duration);
2623
2624 /* ok, it was started & we canceled timer */
2625 if (time_after(new_end, tmp->work.timer.expires))
2626 mod_timer(&tmp->work.timer, new_end);
2627 else
2628 add_timer(&tmp->work.timer);
2629
2630 ieee80211_handle_roc_started(roc);
2631 }
2632 break;
2633 }
2634
2635 out_queue:
2636 if (!queued)
2637 list_add_tail(&roc->list, &local->roc_list);
2638
2eb278e0 2639 return 0;
21f83589
JB		 2640}
2641
b8bc4b0a 2642static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2643 struct wireless_dev *wdev,
b8bc4b0a 2644 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2645 unsigned int duration,
2646 u64 *cookie)
2647{
71bbc994 2648 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2649 struct ieee80211_local *local = sdata->local;
2eb278e0 2650 int ret;
21f83589 2651
2eb278e0 2652 mutex_lock(&local->mtx);
42d97a59 2653 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2654 duration, cookie, NULL,
2655 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2656 mutex_unlock(&local->mtx);
b8bc4b0a 2657
2eb278e0 2658 return ret;
b8bc4b0a
JB		 2659}
2660
2eb278e0
JB		 2661static int ieee80211_cancel_roc(struct ieee80211_local *local,
2662 u64 cookie, bool mgmt_tx)
21f83589 2663{
2eb278e0 2664 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2665 int ret;
2666
2eb278e0
JB		 2667 mutex_lock(&local->mtx);
2668 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2669 struct ieee80211_roc_work *dep, *tmp2;
2670
2671 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2672 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2673 continue;
2674 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2675 continue;
2676 /* found dependent item -- just remove it */
2677 list_del(&dep->list);
2678 mutex_unlock(&local->mtx);
2679
3fbd45ca 2680 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2681 return 0;
2682 }
2683
50febf6a 2684 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2685 continue;
2686 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2687 continue;
21f83589 2688
2eb278e0
JB		 2689 found = roc;
2690 break;
2691 }
21f83589 2692
2eb278e0
JB		 2693 if (!found) {
2694 mutex_unlock(&local->mtx);
2695 return -ENOENT;
2696 }
21f83589 2697
e979e33c
JB		 2698 /*
2699 * We found the item to cancel, so do that. Note that it
2700 * may have dependents, which we also cancel (and send
2701 * the expired signal for.) Not doing so would be quite
2702 * tricky here, but we may need to fix it later.
2703 */
2704
2eb278e0
JB		 2705 if (local->ops->remain_on_channel) {
2706 if (found->started) {
2707 ret = drv_cancel_remain_on_channel(local);
2708 if (WARN_ON_ONCE(ret)) {
2709 mutex_unlock(&local->mtx);
2710 return ret;
2711 }
2712 }
21f83589 2713
2eb278e0 2714 list_del(&found->list);
21f83589 2715
0f6b3f59
JB		 2716 if (found->started)
2717 ieee80211_start_next_roc(local);
2eb278e0 2718 mutex_unlock(&local->mtx);
21f83589 2719
3fbd45ca 2720 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2721 } else {
2722 /* work may be pending so use it all the time */
2723 found->abort = true;
2724 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2725
21f83589
JB		 2726 mutex_unlock(&local->mtx);
2727
2eb278e0
JB		 2728 /* work will clean up etc */
2729 flush_delayed_work(&found->work);
3fbd45ca
JB		 2730 WARN_ON(!found->to_be_freed);
2731 kfree(found);
21f83589 2732 }
b8bc4b0a 2733
2eb278e0 2734 return 0;
b8bc4b0a
JB		 2735}
2736
2eb278e0 2737static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2738 struct wireless_dev *wdev,
2eb278e0 2739 u64 cookie)
f30221e4 2740{
71bbc994 2741 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2742 struct ieee80211_local *local = sdata->local;
f30221e4 2743
2eb278e0 2744 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2745}
2746
164eb02d
SW		 2747static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2748 struct net_device *dev,
31559f35
JD		 2749 struct cfg80211_chan_def *chandef,
2750 u32 cac_time_ms)
164eb02d
SW		 2751{
2752 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2753 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2754 int err;
2755
34a3740d
JB		 2756 mutex_lock(&local->mtx);
2757 if (!list_empty(&local->roc_list) || local->scanning) {
2758 err = -EBUSY;
2759 goto out_unlock;
2760 }
164eb02d
SW		 2761
2762 /* whatever, but channel contexts should not complain about that one */
2763 sdata->smps_mode = IEEE80211_SMPS_OFF;
2764 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2765
164eb02d
SW		 2766 err = ieee80211_vif_use_channel(sdata, chandef,
2767 IEEE80211_CHANCTX_SHARED);
164eb02d 2768 if (err)
34a3740d 2769 goto out_unlock;
164eb02d 2770
164eb02d 2771 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2772 &sdata->dfs_cac_timer_work,
2773 msecs_to_jiffies(cac_time_ms));
164eb02d 2774
34a3740d
JB		 2775 out_unlock:
2776 mutex_unlock(&local->mtx);
2777 return err;
164eb02d
SW		 2778}
2779
73da7d5b
SW		 2780static struct cfg80211_beacon_data *
2781cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2782{
2783 struct cfg80211_beacon_data *new_beacon;
2784 u8 *pos;
2785 int len;
2786
2787 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2788 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2789 beacon->probe_resp_len;
2790
2791 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2792 if (!new_beacon)
2793 return NULL;
2794
2795 pos = (u8 *)(new_beacon + 1);
2796 if (beacon->head_len) {
2797 new_beacon->head_len = beacon->head_len;
2798 new_beacon->head = pos;
2799 memcpy(pos, beacon->head, beacon->head_len);
2800 pos += beacon->head_len;
2801 }
2802 if (beacon->tail_len) {
2803 new_beacon->tail_len = beacon->tail_len;
2804 new_beacon->tail = pos;
2805 memcpy(pos, beacon->tail, beacon->tail_len);
2806 pos += beacon->tail_len;
2807 }
2808 if (beacon->beacon_ies_len) {
2809 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2810 new_beacon->beacon_ies = pos;
2811 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2812 pos += beacon->beacon_ies_len;
2813 }
2814 if (beacon->proberesp_ies_len) {
2815 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2816 new_beacon->proberesp_ies = pos;
2817 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2818 pos += beacon->proberesp_ies_len;
2819 }
2820 if (beacon->assocresp_ies_len) {
2821 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2822 new_beacon->assocresp_ies = pos;
2823 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2824 pos += beacon->assocresp_ies_len;
2825 }
2826 if (beacon->probe_resp_len) {
2827 new_beacon->probe_resp_len = beacon->probe_resp_len;
2828 beacon->probe_resp = pos;
2829 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2830 pos += beacon->probe_resp_len;
2831 }
2832
2833 return new_beacon;
2834}
2835
66e01cf9 2836void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2837{
66e01cf9 2838 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2839
66e01cf9
LC		 2840 ieee80211_queue_work(&sdata->local->hw,
2841 &sdata->csa_finalize_work);
2842}
2843EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2844
66199506
MK		 2845static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2846 u32 *changed)
66e01cf9 2847{
66199506 2848 int err;
7578d575 2849
cd7760e6
SW		 2850 switch (sdata->vif.type) {
2851 case NL80211_IFTYPE_AP:
af296bdb
MK		 2852 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2853 NULL);
97518af1
MK		 2854 kfree(sdata->u.ap.next_beacon);
2855 sdata->u.ap.next_beacon = NULL;
2856
cd7760e6 2857 if (err < 0)
66199506
MK		 2858 return err;
2859 *changed |= err;
cd7760e6
SW		 2860 break;
2861 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2862 err = ieee80211_ibss_finish_csa(sdata);
2863 if (err < 0)
66199506
MK		 2864 return err;
2865 *changed |= err;
cd7760e6 2866 break;
b8456a14
CYY		 2867#ifdef CONFIG_MAC80211_MESH
2868 case NL80211_IFTYPE_MESH_POINT:
2869 err = ieee80211_mesh_finish_csa(sdata);
2870 if (err < 0)
66199506
MK		 2871 return err;
2872 *changed |= err;
b8456a14
CYY		 2873 break;
2874#endif
cd7760e6
SW		 2875 default:
2876 WARN_ON(1);
66199506
MK		 2877 return -EINVAL;
2878 }
2879
2880 return 0;
2881}
2882
cf8767dd 2883static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2884{
2885 struct ieee80211_local *local = sdata->local;
2886 u32 changed = 0;
2887 int err;
2888
2889 sdata_assert_lock(sdata);
2890 lockdep_assert_held(&local->mtx);
03078de4 2891 lockdep_assert_held(&local->chanctx_mtx);
66199506 2892
03078de4
MK		 2893 /*
2894 * using reservation isn't immediate as it may be deferred until later
2895 * with multi-vif. once reservation is complete it will re-schedule the
2896 * work with no reserved_chanctx so verify chandef to check if it
2897 * completed successfully
2898 */
66199506 2899
03078de4
MK		 2900 if (sdata->reserved_chanctx) {
2901 /*
2902 * with multi-vif csa driver may call ieee80211_csa_finish()
2903 * many times while waiting for other interfaces to use their
2904 * reservations
2905 */
2906 if (sdata->reserved_ready)
2907 return 0;
2908
408b18ab 2909 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2910 }
73da7d5b 2911
03078de4
MK		 2912 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2913 &sdata->csa_chandef))
2914 return -EINVAL;
2915
66199506
MK		 2916 sdata->vif.csa_active = false;
2917
2918 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2919 if (err)
cf8767dd 2920 return err;
faf046e7 2921
66199506 2922 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2923
a46992b4
LC		 2924 if (sdata->csa_block_tx) {
2925 ieee80211_wake_vif_queues(local, sdata,
2926 IEEE80211_QUEUE_STOP_REASON_CSA);
2927 sdata->csa_block_tx = false;
2928 }
cf8767dd 2929
f1d65583
LC		 2930 err = drv_post_channel_switch(sdata);
2931 if (err)
2932 return err;
2933
2934 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2935
cf8767dd
MK		 2936 return 0;
2937}
2938
2939static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2940{
2941 if (__ieee80211_csa_finalize(sdata)) {
2942 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2943 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2944 GFP_KERNEL);
2945 }
66e01cf9
LC		 2946}
2947
2948void ieee80211_csa_finalize_work(struct work_struct *work)
2949{
2950 struct ieee80211_sub_if_data *sdata =
2951 container_of(work, struct ieee80211_sub_if_data,
2952 csa_finalize_work);
59af6928 2953 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 2954
2955 sdata_lock(sdata);
59af6928 2956 mutex_lock(&local->mtx);
03078de4 2957 mutex_lock(&local->chanctx_mtx);
59af6928 2958
66e01cf9
LC		 2959 /* AP might have been stopped while waiting for the lock. */
2960 if (!sdata->vif.csa_active)
2961 goto unlock;
2962
2963 if (!ieee80211_sdata_running(sdata))
2964 goto unlock;
2965
2966 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 2967
2968unlock:
03078de4 2969 mutex_unlock(&local->chanctx_mtx);
59af6928 2970 mutex_unlock(&local->mtx);
e487eaeb 2971 sdata_unlock(sdata);
73da7d5b
SW		 2972}
2973
37fa2bdd
MK		 2974static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
2975 struct cfg80211_csa_settings *params,
2976 u32 *changed)
73da7d5b 2977{
af296bdb 2978 struct ieee80211_csa_settings csa = {};
37fa2bdd 2979 int err;
73da7d5b 2980
73da7d5b
SW		 2981 switch (sdata->vif.type) {
2982 case NL80211_IFTYPE_AP:
cd7760e6
SW		 2983 sdata->u.ap.next_beacon =
2984 cfg80211_beacon_dup(&params->beacon_after);
2985 if (!sdata->u.ap.next_beacon)
2986 return -ENOMEM;
2987
66e01cf9
LC		 2988 /*
2989 * With a count of 0, we don't have to wait for any
2990 * TBTT before switching, so complete the CSA
2991 * immediately. In theory, with a count == 1 we
2992 * should delay the switch until just before the next
2993 * TBTT, but that would complicate things so we switch
2994 * immediately too. If we would delay the switch
2995 * until the next TBTT, we would have to set the probe
2996 * response here.
2997 *
2998 * TODO: A channel switch with count <= 1 without
2999 * sending a CSA action frame is kind of useless,
3000 * because the clients won't know we're changing
3001 * channels. The action frame must be implemented
3002 * either here or in the userspace.
3003 */
3004 if (params->count <= 1)
3005 break;
3006
0d06d9ba
AO		 3007 if ((params->n_counter_offsets_beacon >
3008 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3009 (params->n_counter_offsets_presp >
3010 IEEE80211_MAX_CSA_COUNTERS_NUM))
3011 return -EINVAL;
9a774c78 3012
af296bdb
MK		 3013 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3014 csa.counter_offsets_presp = params->counter_offsets_presp;
3015 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3016 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3017 csa.count = params->count;
9a774c78 3018
af296bdb 3019 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3020 if (err < 0) {
3021 kfree(sdata->u.ap.next_beacon);
3022 return err;
3023 }
37fa2bdd 3024 *changed |= err;
66e01cf9 3025
cd7760e6
SW		 3026 break;
3027 case NL80211_IFTYPE_ADHOC:
3028 if (!sdata->vif.bss_conf.ibss_joined)
3029 return -EINVAL;
3030
3031 if (params->chandef.width != sdata->u.ibss.chandef.width)
3032 return -EINVAL;
3033
3034 switch (params->chandef.width) {
3035 case NL80211_CHAN_WIDTH_40:
3036 if (cfg80211_get_chandef_type(&params->chandef) !=
3037 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3038 return -EINVAL;
3039 case NL80211_CHAN_WIDTH_5:
3040 case NL80211_CHAN_WIDTH_10:
3041 case NL80211_CHAN_WIDTH_20_NOHT:
3042 case NL80211_CHAN_WIDTH_20:
3043 break;
3044 default:
3045 return -EINVAL;
3046 }
3047
3048 /* changes into another band are not supported */
3049 if (sdata->u.ibss.chandef.chan->band !=
3050 params->chandef.chan->band)
3051 return -EINVAL;
3052
66e01cf9
LC		 3053 /* see comments in the NL80211_IFTYPE_AP block */
3054 if (params->count > 1) {
3055 err = ieee80211_ibss_csa_beacon(sdata, params);
3056 if (err < 0)
3057 return err;
37fa2bdd 3058 *changed |= err;
66e01cf9
LC		 3059 }
3060
3061 ieee80211_send_action_csa(sdata, params);
3062
73da7d5b 3063 break;
c6da674a 3064#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3065 case NL80211_IFTYPE_MESH_POINT: {
3066 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3067
c6da674a
CYY		 3068 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3069 return -EINVAL;
3070
3071 /* changes into another band are not supported */
3072 if (sdata->vif.bss_conf.chandef.chan->band !=
3073 params->chandef.chan->band)
3074 return -EINVAL;
3075
c782bf8c 3076 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3077 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3078 if (!ifmsh->pre_value)
3079 ifmsh->pre_value = 1;
3080 else
3081 ifmsh->pre_value++;
3082 }
0cb4d4dc 3083
66e01cf9
LC		 3084 /* see comments in the NL80211_IFTYPE_AP block */
3085 if (params->count > 1) {
3086 err = ieee80211_mesh_csa_beacon(sdata, params);
3087 if (err < 0) {
3088 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3089 return err;
3090 }
37fa2bdd 3091 *changed |= err;
3f718fd8 3092 }
66e01cf9
LC		 3093
3094 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3095 ieee80211_send_action_csa(sdata, params);
3096
c6da674a 3097 break;
37fa2bdd 3098 }
c6da674a 3099#endif
73da7d5b
SW		 3100 default:
3101 return -EOPNOTSUPP;
3102 }
3103
37fa2bdd
MK		 3104 return 0;
3105}
3106
f29f58a9
LC		 3107static int
3108__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3109 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3110{
3111 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3112 struct ieee80211_local *local = sdata->local;
6d027bcc 3113 struct ieee80211_channel_switch ch_switch;
2b32713d 3114 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3115 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3116 u32 changed = 0;
3117 int err;
37fa2bdd
MK		 3118
3119 sdata_assert_lock(sdata);
59af6928 3120 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3121
3122 if (!list_empty(&local->roc_list) || local->scanning)
3123 return -EBUSY;
3124
3125 if (sdata->wdev.cac_started)
3126 return -EBUSY;
3127
3128 if (cfg80211_chandef_identical(&params->chandef,
3129 &sdata->vif.bss_conf.chandef))
3130 return -EINVAL;
3131
03078de4
MK		 3132 /* don't allow another channel switch if one is already active. */
3133 if (sdata->vif.csa_active)
3134 return -EBUSY;
3135
2b32713d
MK		 3136 mutex_lock(&local->chanctx_mtx);
3137 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3138 lockdep_is_held(&local->chanctx_mtx));
3139 if (!conf) {
03078de4
MK		 3140 err = -EBUSY;
3141 goto out;
37fa2bdd
MK		 3142 }
3143
2b32713d 3144 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
03078de4
MK		 3145 if (!chanctx) {
3146 err = -EBUSY;
3147 goto out;
37fa2bdd 3148 }
37fa2bdd 3149
6d027bcc
LC		 3150 err = drv_pre_channel_switch(sdata, &ch_switch);
3151 if (err)
3152 goto out;
3153
03078de4
MK		 3154 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3155 chanctx->mode,
3156 params->radar_required);
3157 if (err)
3158 goto out;
37fa2bdd 3159
03078de4
MK		 3160 /* if reservation is invalid then this will fail */
3161 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3162 if (err) {
3163 ieee80211_vif_unreserve_chanctx(sdata);
3164 goto out;
3165 }
37fa2bdd 3166
6d027bcc
LC		 3167 ch_switch.timestamp = 0;
3168 ch_switch.device_timestamp = 0;
3169 ch_switch.block_tx = params->block_tx;
3170 ch_switch.chandef = params->chandef;
3171 ch_switch.count = params->count;
3172
37fa2bdd 3173 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3174 if (err) {
3175 ieee80211_vif_unreserve_chanctx(sdata);
3176 goto out;
3177 }
37fa2bdd 3178
33787fc4 3179 sdata->csa_chandef = params->chandef;
59af6928 3180 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3181 sdata->vif.csa_active = true;
3182
59af6928 3183 if (sdata->csa_block_tx)
a46992b4
LC		 3184 ieee80211_stop_vif_queues(local, sdata,
3185 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3186
66e01cf9
LC		 3187 if (changed) {
3188 ieee80211_bss_info_change_notify(sdata, changed);
3189 drv_channel_switch_beacon(sdata, &params->chandef);
3190 } else {
3191 /* if the beacon didn't change, we can finalize immediately */
3192 ieee80211_csa_finalize(sdata);
3193 }
73da7d5b 3194
03078de4
MK		 3195out:
3196 mutex_unlock(&local->chanctx_mtx);
3197 return err;
73da7d5b
SW		 3198}
3199
59af6928
MK		 3200int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3201 struct cfg80211_csa_settings *params)
3202{
3203 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3204 struct ieee80211_local *local = sdata->local;
3205 int err;
3206
3207 mutex_lock(&local->mtx);
3208 err = __ieee80211_channel_switch(wiphy, dev, params);
3209 mutex_unlock(&local->mtx);
3210
3211 return err;
3212}
3213
71bbc994 3214static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3215 struct cfg80211_mgmt_tx_params *params,
3216 u64 *cookie)
026331c4 3217{
71bbc994 3218 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3219 struct ieee80211_local *local = sdata->local;
3220 struct sk_buff *skb;
3221 struct sta_info *sta;
b176e629 3222 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3223 bool need_offchan = false;
e247bd90 3224 u32 flags;
2eb278e0 3225 int ret;
387910cc 3226 u8 *data;
f7ca38df 3227
b176e629 3228 if (params->dont_wait_for_ack)
e247bd90
JB		 3229 flags = IEEE80211_TX_CTL_NO_ACK;
3230 else
3231 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3232 IEEE80211_TX_CTL_REQ_TX_STATUS;
3233
b176e629 3234 if (params->no_cck)
aad14ceb
RM		 3235 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3236
9d38d85d
JB		 3237 switch (sdata->vif.type) {
3238 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3239 if (!sdata->vif.bss_conf.ibss_joined)
3240 need_offchan = true;
3241 /* fall through */
3242#ifdef CONFIG_MAC80211_MESH
3243 case NL80211_IFTYPE_MESH_POINT:
3244 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3245 !sdata->u.mesh.mesh_id_len)
3246 need_offchan = true;
3247 /* fall through */
3248#endif
663fcafd
JB		 3249 case NL80211_IFTYPE_AP:
3250 case NL80211_IFTYPE_AP_VLAN:
3251 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3252 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3253 !ieee80211_vif_is_mesh(&sdata->vif) &&
3254 !rcu_access_pointer(sdata->bss->beacon))
3255 need_offchan = true;
663fcafd 3256 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3257 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3258 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3259 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3260 break;
3261 rcu_read_lock();
3262 sta = sta_info_get(sdata, mgmt->da);
3263 rcu_read_unlock();
3264 if (!sta)
3265 return -ENOLINK;
3266 break;
3267 case NL80211_IFTYPE_STATION:
663fcafd 3268 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3269 if (!sdata->u.mgd.associated)
3270 need_offchan = true;
9d38d85d 3271 break;
f142c6b9
JB		 3272 case NL80211_IFTYPE_P2P_DEVICE:
3273 need_offchan = true;
3274 break;
9d38d85d
JB		 3275 default:
3276 return -EOPNOTSUPP;
3277 }
3278
f7aeb6fb
AQ		 3279 /* configurations requiring offchan cannot work if no channel has been
3280 * specified
3281 */
b176e629 3282 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3283 return -EINVAL;
3284
2eb278e0
JB		 3285 mutex_lock(&local->mtx);
3286
3287 /* Check if the operating channel is the requested channel */
3288 if (!need_offchan) {
55de908a
JB		 3289 struct ieee80211_chanctx_conf *chanctx_conf;
3290
3291 rcu_read_lock();
3292 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3293
f7aeb6fb 3294 if (chanctx_conf) {
b176e629
AO		 3295 need_offchan = params->chan &&
3296 (params->chan !=
3297 chanctx_conf->def.chan);
3298 } else if (!params->chan) {
f7aeb6fb
AQ		 3299 ret = -EINVAL;
3300 rcu_read_unlock();
3301 goto out_unlock;
3302 } else {
2eb278e0 3303 need_offchan = true;
f7aeb6fb 3304 }
55de908a 3305 rcu_read_unlock();
2eb278e0
JB		 3306 }
3307
b176e629 3308 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3309 ret = -EBUSY;
3310 goto out_unlock;
3311 }
3312
b176e629 3313 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3314 if (!skb) {
3315 ret = -ENOMEM;
3316 goto out_unlock;
3317 }
9d38d85d
JB		 3318 skb_reserve(skb, local->hw.extra_tx_headroom);
3319
387910cc
AO		 3320 data = skb_put(skb, params->len);
3321 memcpy(data, params->buf, params->len);
3322
3323 /* Update CSA counters */
3324 if (sdata->vif.csa_active &&
3325 (sdata->vif.type == NL80211_IFTYPE_AP ||
3326 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3327 params->n_csa_offsets) {
3328 int i;
af296bdb 3329 struct beacon_data *beacon = NULL;
387910cc 3330
af296bdb
MK		 3331 rcu_read_lock();
3332
3333 if (sdata->vif.type == NL80211_IFTYPE_AP)
3334 beacon = rcu_dereference(sdata->u.ap.beacon);
3335 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3336 beacon = rcu_dereference(sdata->u.ibss.presp);
3337 else if (ieee80211_vif_is_mesh(&sdata->vif))
3338 beacon = rcu_dereference(sdata->u.mesh.beacon);
3339
3340 if (beacon)
3341 for (i = 0; i < params->n_csa_offsets; i++)
3342 data[params->csa_offsets[i]] =
3343 beacon->csa_current_counter;
3344
3345 rcu_read_unlock();
387910cc 3346 }
9d38d85d
JB		 3347
3348 IEEE80211_SKB_CB(skb)->flags = flags;
3349
3350 skb->dev = sdata->dev;
9d38d85d 3351
2eb278e0 3352 if (!need_offchan) {
7f9f78ab 3353 *cookie = (unsigned long) skb;
f30221e4 3354 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3355 ret = 0;
3356 goto out_unlock;
f30221e4
JB		 3357 }
3358
6c17b77b
SF		 3359 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3360 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3361 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3362 IEEE80211_SKB_CB(skb)->hw_queue =
3363 local->hw.offchannel_tx_hw_queue;
f30221e4 3364
2eb278e0 3365 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3366 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3367 params->wait, cookie, skb,
d339d5ca 3368 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3369 if (ret)
3370 kfree_skb(skb);
3371 out_unlock:
3372 mutex_unlock(&local->mtx);
3373 return ret;
026331c4
JM		 3374}
3375
f30221e4 3376static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3377 struct wireless_dev *wdev,
f30221e4
JB		 3378 u64 cookie)
3379{
71bbc994 3380 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3381
2eb278e0 3382 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3383}
3384
7be5086d 3385static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3386 struct wireless_dev *wdev,
7be5086d
JB		 3387 u16 frame_type, bool reg)
3388{
3389 struct ieee80211_local *local = wiphy_priv(wiphy);
3390
6abe0563 3391 switch (frame_type) {
6abe0563
WH		 3392 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3393 if (reg)
3394 local->probe_req_reg++;
3395 else
3396 local->probe_req_reg--;
7be5086d 3397
35f5149e
FF		 3398 if (!local->open_count)
3399 break;
3400
6abe0563
WH		 3401 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3402 break;
3403 default:
3404 break;
3405 }
7be5086d
JB		 3406}
3407
15d96753
BR		 3408static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3409{
3410 struct ieee80211_local *local = wiphy_priv(wiphy);
3411
3412 if (local->started)
3413 return -EOPNOTSUPP;
3414
3415 return drv_set_antenna(local, tx_ant, rx_ant);
3416}
3417
3418static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3419{
3420 struct ieee80211_local *local = wiphy_priv(wiphy);
3421
3422 return drv_get_antenna(local, tx_ant, rx_ant);
3423}
3424
c68f4b89
JB		 3425static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3426 struct net_device *dev,
3427 struct cfg80211_gtk_rekey_data *data)
3428{
3429 struct ieee80211_local *local = wiphy_priv(wiphy);
3430 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3431
3432 if (!local->ops->set_rekey_data)
3433 return -EOPNOTSUPP;
3434
3435 drv_set_rekey_data(local, sdata, data);
3436
3437 return 0;
3438}
3439
06500736
JB		 3440static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3441 const u8 *peer, u64 *cookie)
3442{
3443 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3444 struct ieee80211_local *local = sdata->local;
3445 struct ieee80211_qos_hdr *nullfunc;
3446 struct sk_buff *skb;
3447 int size = sizeof(*nullfunc);
3448 __le16 fc;
3449 bool qos;
3450 struct ieee80211_tx_info *info;
3451 struct sta_info *sta;
55de908a
JB		 3452 struct ieee80211_chanctx_conf *chanctx_conf;
3453 enum ieee80211_band band;
06500736
JB		 3454
3455 rcu_read_lock();
55de908a
JB		 3456 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3457 if (WARN_ON(!chanctx_conf)) {
3458 rcu_read_unlock();
3459 return -EINVAL;
3460 }
4bf88530 3461 band = chanctx_conf->def.chan->band;
03bb7f42 3462 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3463 if (sta) {
a74a8c84 3464 qos = sta->sta.wme;
b4487c2d
JB		 3465 } else {
3466 rcu_read_unlock();
06500736 3467 return -ENOLINK;
b4487c2d 3468 }
06500736
JB		 3469
3470 if (qos) {
3471 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3472 IEEE80211_STYPE_QOS_NULLFUNC |
3473 IEEE80211_FCTL_FROMDS);
3474 } else {
3475 size -= 2;
3476 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3477 IEEE80211_STYPE_NULLFUNC |
3478 IEEE80211_FCTL_FROMDS);
3479 }
3480
3481 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3482 if (!skb) {
3483 rcu_read_unlock();
06500736 3484 return -ENOMEM;
55de908a 3485 }
06500736
JB		 3486
3487 skb->dev = dev;
3488
3489 skb_reserve(skb, local->hw.extra_tx_headroom);
3490
3491 nullfunc = (void *) skb_put(skb, size);
3492 nullfunc->frame_control = fc;
3493 nullfunc->duration_id = 0;
3494 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3495 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3496 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3497 nullfunc->seq_ctrl = 0;
3498
3499 info = IEEE80211_SKB_CB(skb);
3500
3501 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3502 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3503
3504 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3505 skb->priority = 7;
3506 if (qos)
3507 nullfunc->qos_ctrl = cpu_to_le16(7);
3508
3509 local_bh_disable();
55de908a 3510 ieee80211_xmit(sdata, skb, band);
06500736 3511 local_bh_enable();
55de908a 3512 rcu_read_unlock();
06500736
JB		 3513
3514 *cookie = (unsigned long) skb;
3515 return 0;
3516}
3517
683b6d3b
JB		 3518static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3519 struct wireless_dev *wdev,
3520 struct cfg80211_chan_def *chandef)
5b7ccaf3 3521{
55de908a 3522 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3523 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3524 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3525 int ret = -ENODATA;
55de908a
JB		 3526
3527 rcu_read_lock();
feda3027
JB		 3528 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3529 if (chanctx_conf) {
c12bc488 3530 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3531 ret = 0;
3532 } else if (local->open_count > 0 &&
3533 local->open_count == local->monitors &&
3534 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3535 if (local->use_chanctx)
3536 *chandef = local->monitor_chandef;
3537 else
675a0b04 3538 *chandef = local->_oper_chandef;
683b6d3b 3539 ret = 0;
55de908a
JB		 3540 }
3541 rcu_read_unlock();
5b7ccaf3 3542
683b6d3b 3543 return ret;
5b7ccaf3
JB		 3544}
3545
6d52563f
JB		 3546#ifdef CONFIG_PM
3547static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3548{
3549 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3550}
3551#endif
3552
32db6b54
KP		 3553static int ieee80211_set_qos_map(struct wiphy *wiphy,
3554 struct net_device *dev,
3555 struct cfg80211_qos_map *qos_map)
3556{
3557 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3558 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3559
3560 if (qos_map) {
3561 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3562 if (!new_qos_map)
3563 return -ENOMEM;
3564 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3565 } else {
3566 /* A NULL qos_map was passed to disable QoS mapping */
3567 new_qos_map = NULL;
3568 }
3569
194ff52d 3570 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3571 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3572 if (old_qos_map)
3573 kfree_rcu(old_qos_map, rcu_head);
3574
3575 return 0;
3576}
3577
3b1700bd
JM		 3578static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3579 struct net_device *dev,
3580 struct cfg80211_chan_def *chandef)
3581{
3582 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3583 int ret;
3584 u32 changed = 0;
3585
3586 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3587 if (ret == 0)
3588 ieee80211_bss_info_change_notify(sdata, changed);
3589
3590 return ret;
3591}
3592
02219b3a
JB		 3593static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3594 u8 tsid, const u8 *peer, u8 up,
3595 u16 admitted_time)
3596{
3597 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3598 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3599 int ac = ieee802_1d_to_ac[up];
3600
3601 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3602 return -EOPNOTSUPP;
3603
3604 if (!(sdata->wmm_acm & BIT(up)))
3605 return -EINVAL;
3606
3607 if (ifmgd->tx_tspec[ac].admitted_time)
3608 return -EBUSY;
3609
3610 if (admitted_time) {
3611 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3612 ifmgd->tx_tspec[ac].tsid = tsid;
3613 ifmgd->tx_tspec[ac].up = up;
3614 }
3615
3616 return 0;
3617}
3618
3619static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3620 u8 tsid, const u8 *peer)
3621{
3622 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3623 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3624 struct ieee80211_local *local = wiphy_priv(wiphy);
3625 int ac;
3626
3627 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3628 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3629
3630 /* skip unused entries */
3631 if (!tx_tspec->admitted_time)
3632 continue;
3633
3634 if (tx_tspec->tsid != tsid)
3635 continue;
3636
3637 /* due to this new packets will be reassigned to non-ACM ACs */
3638 tx_tspec->up = -1;
3639
3640 /* Make sure that all packets have been sent to avoid to
3641 * restore the QoS params on packets that are still on the
3642 * queues.
3643 */
3644 synchronize_net();
3645 ieee80211_flush_queues(local, sdata);
3646
3647 /* restore the normal QoS parameters
3648 * (unconditionally to avoid races)
3649 */
3650 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3651 tx_tspec->downgraded = false;
3652 ieee80211_sta_handle_tspec_ac_params(sdata);
3653
3654 /* finally clear all the data */
3655 memset(tx_tspec, 0, sizeof(*tx_tspec));
3656
3657 return 0;
3658 }
3659
3660 return -ENOENT;
3661}
3662
8a47cea7 3663const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3664 .add_virtual_intf = ieee80211_add_iface,
3665 .del_virtual_intf = ieee80211_del_iface,
42613db7 3666 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3667 .start_p2p_device = ieee80211_start_p2p_device,
3668 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3669 .add_key = ieee80211_add_key,
3670 .del_key = ieee80211_del_key,
62da92fb 3671 .get_key = ieee80211_get_key,
e8cbb4cb 3672 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3673 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3674 .start_ap = ieee80211_start_ap,
3675 .change_beacon = ieee80211_change_beacon,
3676 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3677 .add_station = ieee80211_add_station,
3678 .del_station = ieee80211_del_station,
3679 .change_station = ieee80211_change_station,
7bbdd2d9 3680 .get_station = ieee80211_get_station,
c5dd9c2b 3681 .dump_station = ieee80211_dump_station,
1289723e 3682 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3683#ifdef CONFIG_MAC80211_MESH
3684 .add_mpath = ieee80211_add_mpath,
3685 .del_mpath = ieee80211_del_mpath,
3686 .change_mpath = ieee80211_change_mpath,
3687 .get_mpath = ieee80211_get_mpath,
3688 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3689 .get_mpp = ieee80211_get_mpp,
3690 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3691 .update_mesh_config = ieee80211_update_mesh_config,
3692 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3693 .join_mesh = ieee80211_join_mesh,
3694 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3695#endif
9f1ba906 3696 .change_bss = ieee80211_change_bss,
31888487 3697 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3698 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3699 .suspend = ieee80211_suspend,
3700 .resume = ieee80211_resume,
2a519311 3701 .scan = ieee80211_scan,
79f460ca
LC		 3702 .sched_scan_start = ieee80211_sched_scan_start,
3703 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3704 .auth = ieee80211_auth,
3705 .assoc = ieee80211_assoc,
3706 .deauth = ieee80211_deauth,
3707 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3708 .join_ibss = ieee80211_join_ibss,
3709 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3710 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3711 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3712 .set_tx_power = ieee80211_set_tx_power,
3713 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3714 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3715 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3716 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3717 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3718 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3719 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3720 .remain_on_channel = ieee80211_remain_on_channel,
3721 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3722 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3723 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3724 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3725 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3726 .set_antenna = ieee80211_set_antenna,
3727 .get_antenna = ieee80211_get_antenna,
c68f4b89 3728 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3729 .tdls_oper = ieee80211_tdls_oper,
3730 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3731 .probe_client = ieee80211_probe_client,
b53be792 3732 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3733#ifdef CONFIG_PM
3734 .set_wakeup = ieee80211_set_wakeup,
3735#endif
5b7ccaf3 3736 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3737 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3738 .channel_switch = ieee80211_channel_switch,
32db6b54 3739 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3740 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3741 .add_tx_ts = ieee80211_add_tx_ts,
3742 .del_tx_ts = ieee80211_del_tx_ts,
f0706e82 3743};
Linux 6.x block layer and io_uring tree(s)