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cfg/mac80211: define TDLS channel switch feature bit
[mirror_ubuntu-bionic-kernel.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
239281f8
RL		 2022static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2023 struct ocb_setup *setup)
2024{
2025 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2026}
2027
2028static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2029{
2030 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2031}
2032
391e53e3
AQ		 2033static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2034 int rate[IEEE80211_NUM_BANDS])
2035{
2036 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2037
9887dbf5
CD		 2038 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2039 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2040
2041 return 0;
2042}
2043
b9a5f8ca
JM		 2044static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2045{
2046 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2047 int err;
b9a5f8ca 2048
f23a4780
AN		 2049 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2050 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2051
2052 if (err)
2053 return err;
2054 }
2055
a4bcaf55
LB		 2056 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2057 (changed & WIPHY_PARAM_DYN_ACK)) {
2058 s16 coverage_class;
2059
2060 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2061 wiphy->coverage_class : -1;
2062 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2063
2064 if (err)
2065 return err;
2066 }
2067
b9a5f8ca 2068 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2069 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2070
24487981
JB		 2071 if (err)
2072 return err;
b9a5f8ca
JM		 2073 }
2074
8bc83c24
JB		 2075 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2076 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2077 return -EINVAL;
b9a5f8ca 2078 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2079 }
2080 if (changed & WIPHY_PARAM_RETRY_LONG) {
2081 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2082 return -EINVAL;
b9a5f8ca 2083 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2084 }
b9a5f8ca
JM		 2085 if (changed &
2086 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2087 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2088
2089 return 0;
2090}
2091
7643a2c3 2092static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2093 struct wireless_dev *wdev,
fa61cf70 2094 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2095{
2096 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2097 struct ieee80211_sub_if_data *sdata;
7643a2c3 2098
1ea6f9c0
JB		 2099 if (wdev) {
2100 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2101
2102 switch (type) {
2103 case NL80211_TX_POWER_AUTOMATIC:
2104 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2105 break;
2106 case NL80211_TX_POWER_LIMITED:
2107 case NL80211_TX_POWER_FIXED:
2108 if (mbm < 0 || (mbm % 100))
2109 return -EOPNOTSUPP;
2110 sdata->user_power_level = MBM_TO_DBM(mbm);
2111 break;
2112 }
2113
2114 ieee80211_recalc_txpower(sdata);
2115
2116 return 0;
2117 }
55de908a 2118
7643a2c3 2119 switch (type) {
fa61cf70 2120 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2121 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2122 break;
fa61cf70 2123 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2124 case NL80211_TX_POWER_FIXED:
2125 if (mbm < 0 || (mbm % 100))
2126 return -EOPNOTSUPP;
fa61cf70 2127 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2128 break;
7643a2c3
JB		 2129 }
2130
1ea6f9c0
JB		 2131 mutex_lock(&local->iflist_mtx);
2132 list_for_each_entry(sdata, &local->interfaces, list)
2133 sdata->user_power_level = local->user_power_level;
2134 list_for_each_entry(sdata, &local->interfaces, list)
2135 ieee80211_recalc_txpower(sdata);
2136 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2137
2138 return 0;
2139}
2140
c8442118
JB		 2141static int ieee80211_get_tx_power(struct wiphy *wiphy,
2142 struct wireless_dev *wdev,
2143 int *dbm)
7643a2c3
JB		 2144{
2145 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2146 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2147
5b3dc42b
FF		 2148 if (local->ops->get_txpower)
2149 return drv_get_txpower(local, sdata, dbm);
2150
1ea6f9c0
JB		 2151 if (!local->use_chanctx)
2152 *dbm = local->hw.conf.power_level;
2153 else
2154 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2155
7643a2c3
JB		 2156 return 0;
2157}
2158
ab737a4f 2159static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2160 const u8 *addr)
ab737a4f
JB		 2161{
2162 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2163
2164 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2165
2166 return 0;
2167}
2168
1f87f7d3
JB		 2169static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2170{
2171 struct ieee80211_local *local = wiphy_priv(wiphy);
2172
2173 drv_rfkill_poll(local);
2174}
2175
aff89a9b 2176#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2177static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2178 struct wireless_dev *wdev,
2179 void *data, int len)
aff89a9b
JB		 2180{
2181 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2182 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2183
2184 if (!local->ops->testmode_cmd)
2185 return -EOPNOTSUPP;
2186
52981cd7
DS		 2187 if (wdev) {
2188 struct ieee80211_sub_if_data *sdata;
2189
2190 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2191 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2192 vif = &sdata->vif;
2193 }
2194
2195 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2196}
71063f0e
WYG		 2197
2198static int ieee80211_testmode_dump(struct wiphy *wiphy,
2199 struct sk_buff *skb,
2200 struct netlink_callback *cb,
2201 void *data, int len)
2202{
2203 struct ieee80211_local *local = wiphy_priv(wiphy);
2204
2205 if (!local->ops->testmode_dump)
2206 return -EOPNOTSUPP;
2207
2208 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2209}
aff89a9b
JB		 2210#endif
2211
687da132
EG		 2212int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2213 enum ieee80211_smps_mode smps_mode)
2214{
2215 struct sta_info *sta;
2216 enum ieee80211_smps_mode old_req;
2217 int i;
2218
2219 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2220 return -EINVAL;
2221
2222 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2223 return 0;
2224
2225 old_req = sdata->u.ap.req_smps;
2226 sdata->u.ap.req_smps = smps_mode;
2227
2228 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2229 if (old_req == smps_mode ||
2230 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2231 return 0;
2232
2233 /* If no associated stations, there's no need to do anything */
2234 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2235 sdata->smps_mode = smps_mode;
2236 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2237 return 0;
2238 }
2239
2240 ht_dbg(sdata,
2241 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2242 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2243
2244 mutex_lock(&sdata->local->sta_mtx);
2245 for (i = 0; i < STA_HASH_SIZE; i++) {
2246 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2247 lockdep_is_held(&sdata->local->sta_mtx));
2248 sta;
2249 sta = rcu_dereference_protected(sta->hnext,
2250 lockdep_is_held(&sdata->local->sta_mtx))) {
2251 /*
2252 * Only stations associated to our AP and
2253 * associated VLANs
2254 */
2255 if (sta->sdata->bss != &sdata->u.ap)
2256 continue;
2257
2258 /* This station doesn't support MIMO - skip it */
2259 if (sta_info_tx_streams(sta) == 1)
2260 continue;
2261
2262 /*
2263 * Don't wake up a STA just to send the action frame
2264 * unless we are getting more restrictive.
2265 */
2266 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2267 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2268 smps_mode)) {
2269 ht_dbg(sdata,
2270 "Won't send SMPS to sleeping STA %pM\n",
2271 sta->sta.addr);
2272 continue;
2273 }
2274
2275 /*
2276 * If the STA is not authorized, wait until it gets
2277 * authorized and the action frame will be sent then.
2278 */
2279 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2280 continue;
2281
2282 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2283 ieee80211_send_smps_action(sdata, smps_mode,
2284 sta->sta.addr,
2285 sdata->vif.bss_conf.bssid);
2286 }
2287 }
2288 mutex_unlock(&sdata->local->sta_mtx);
2289
2290 sdata->smps_mode = smps_mode;
2291 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2292
2293 return 0;
2294}
2295
2296int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2297 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2298{
2299 const u8 *ap;
2300 enum ieee80211_smps_mode old_req;
2301 int err;
2302
8d61ffa5 2303 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2304
687da132
EG		 2305 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2306 return -EINVAL;
2307
0f78231b
JB		 2308 old_req = sdata->u.mgd.req_smps;
2309 sdata->u.mgd.req_smps = smps_mode;
2310
2311 if (old_req == smps_mode &&
2312 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2313 return 0;
2314
2315 /*
2316 * If not associated, or current association is not an HT
04ecd257
JB		 2317 * association, there's no need to do anything, just store
2318 * the new value until we associate.
0f78231b
JB		 2319 */
2320 if (!sdata->u.mgd.associated ||
4bf88530 2321 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2322 return 0;
0f78231b 2323
0c1ad2ca 2324 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2325
2326 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2327 if (sdata->u.mgd.powersave)
2328 smps_mode = IEEE80211_SMPS_DYNAMIC;
2329 else
2330 smps_mode = IEEE80211_SMPS_OFF;
2331 }
2332
2333 /* send SM PS frame to AP */
2334 err = ieee80211_send_smps_action(sdata, smps_mode,
2335 ap, ap);
2336 if (err)
2337 sdata->u.mgd.req_smps = old_req;
2338
2339 return err;
2340}
2341
bc92afd9
JB		 2342static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2343 bool enabled, int timeout)
2344{
2345 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2346 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2347
2d3db210 2348 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2349 return -EOPNOTSUPP;
2350
bc92afd9
JB		 2351 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2352 return -EOPNOTSUPP;
2353
2354 if (enabled == sdata->u.mgd.powersave &&
ff616381 2355 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2356 return 0;
2357
2358 sdata->u.mgd.powersave = enabled;
ff616381 2359 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2360
0f78231b 2361 /* no change, but if automatic follow powersave */
ed405be5 2362 sdata_lock(sdata);
687da132 2363 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2364 sdata_unlock(sdata);
0f78231b 2365
bc92afd9
JB		 2366 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2367 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2368
2369 ieee80211_recalc_ps(local, -1);
ab095877 2370 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2371
2372 return 0;
2373}
2374
a97c13c3
JO		 2375static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2376 struct net_device *dev,
2377 s32 rssi_thold, u32 rssi_hyst)
2378{
2379 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2380 struct ieee80211_vif *vif = &sdata->vif;
2381 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2382
a97c13c3
JO		 2383 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2384 rssi_hyst == bss_conf->cqm_rssi_hyst)
2385 return 0;
2386
2387 bss_conf->cqm_rssi_thold = rssi_thold;
2388 bss_conf->cqm_rssi_hyst = rssi_hyst;
2389
2390 /* tell the driver upon association, unless already associated */
ea086359
JB		 2391 if (sdata->u.mgd.associated &&
2392 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2393 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2394
2395 return 0;
2396}
2397
9930380f
JB		 2398static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2399 struct net_device *dev,
2400 const u8 *addr,
2401 const struct cfg80211_bitrate_mask *mask)
2402{
2403 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2404 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2405 int i, ret;
2c7e6bc9 2406
554a43d5
EP		 2407 if (!ieee80211_sdata_running(sdata))
2408 return -ENETDOWN;
2409
bdbfd6b5
SM		 2410 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2411 ret = drv_set_bitrate_mask(local, sdata, mask);
2412 if (ret)
2413 return ret;
2414 }
9930380f 2415
19468413 2416 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2417 struct ieee80211_supported_band *sband = wiphy->bands[i];
2418 int j;
2419
37eb0b16 2420 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2421 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2422 sizeof(mask->control[i].ht_mcs));
2ffbe6d3
FF		 2423
2424 sdata->rc_has_mcs_mask[i] = false;
2425 if (!sband)
2426 continue;
2427
2428 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2429 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2430 sdata->rc_has_mcs_mask[i] = true;
2431 break;
2432 }
19468413 2433 }
9930380f 2434
37eb0b16 2435 return 0;
9930380f
JB		 2436}
2437
eaa336b0
EP		 2438static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2439 struct ieee80211_roc_work *new_roc,
2440 struct ieee80211_roc_work *cur_roc)
2441{
2442 unsigned long j = jiffies;
2443 unsigned long cur_roc_end = cur_roc->hw_start_time +
2444 msecs_to_jiffies(cur_roc->duration);
2445 struct ieee80211_roc_work *next_roc;
2446 int new_dur;
2447
2448 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2449 return false;
2450
2451 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2452 return false;
2453
2454 ieee80211_handle_roc_started(new_roc);
2455
2456 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2457
2458 /* cur_roc is long enough - add new_roc to the dependents list. */
2459 if (new_dur <= 0) {
2460 list_add_tail(&new_roc->list, &cur_roc->dependents);
2461 return true;
2462 }
2463
2464 new_roc->duration = new_dur;
2465
2466 /*
2467 * if cur_roc was already coalesced before, we might
2468 * want to extend the next roc instead of adding
2469 * a new one.
2470 */
2471 next_roc = list_entry(cur_roc->list.next,
2472 struct ieee80211_roc_work, list);
2473 if (&next_roc->list != &local->roc_list &&
2474 next_roc->chan == new_roc->chan &&
2475 next_roc->sdata == new_roc->sdata &&
2476 !WARN_ON(next_roc->started)) {
2477 list_add_tail(&new_roc->list, &next_roc->dependents);
2478 next_roc->duration = max(next_roc->duration,
2479 new_roc->duration);
2480 next_roc->type = max(next_roc->type, new_roc->type);
2481 return true;
2482 }
2483
2484 /* add right after cur_roc */
2485 list_add(&new_roc->list, &cur_roc->list);
2486
2487 return true;
2488}
2489
2eb278e0
JB		 2490static int ieee80211_start_roc_work(struct ieee80211_local *local,
2491 struct ieee80211_sub_if_data *sdata,
2492 struct ieee80211_channel *channel,
2eb278e0 2493 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2494 struct sk_buff *txskb,
2495 enum ieee80211_roc_type type)
2eb278e0
JB		 2496{
2497 struct ieee80211_roc_work *roc, *tmp;
2498 bool queued = false;
21f83589 2499 int ret;
21f83589
JB		 2500
2501 lockdep_assert_held(&local->mtx);
2502
fe57d9f5
JB		 2503 if (local->use_chanctx && !local->ops->remain_on_channel)
2504 return -EOPNOTSUPP;
2505
2eb278e0
JB		 2506 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2507 if (!roc)
2508 return -ENOMEM;
2509
2fae062e
IP		 2510 /*
2511 * If the duration is zero, then the driver
2512 * wouldn't actually do anything. Set it to
2513 * 10 for now.
2514 *
2515 * TODO: cancel the off-channel operation
2516 * when we get the SKB's TX status and
2517 * the wait time was zero before.
2518 */
2519 if (!duration)
2520 duration = 10;
2521
2eb278e0 2522 roc->chan = channel;
2eb278e0
JB		 2523 roc->duration = duration;
2524 roc->req_duration = duration;
2525 roc->frame = txskb;
d339d5ca 2526 roc->type = type;
2eb278e0
JB		 2527 roc->mgmt_tx_cookie = (unsigned long)txskb;
2528 roc->sdata = sdata;
2529 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2530 INIT_LIST_HEAD(&roc->dependents);
2531
2f617435
EP		 2532 /*
2533 * cookie is either the roc cookie (for normal roc)
2534 * or the SKB (for mgmt TX)
2535 */
2536 if (!txskb) {
2537 /* local->mtx protects this */
2538 local->roc_cookie_counter++;
2539 roc->cookie = local->roc_cookie_counter;
2540 /* wow, you wrapped 64 bits ... more likely a bug */
2541 if (WARN_ON(roc->cookie == 0)) {
2542 roc->cookie = 1;
2543 local->roc_cookie_counter++;
2544 }
2545 *cookie = roc->cookie;
2546 } else {
2547 *cookie = (unsigned long)txskb;
2548 }
2549
2eb278e0 2550 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2551 if (!list_empty(&local->roc_list) ||
2552 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2553 goto out_check_combine;
2554
2555 /* if not HW assist, just queue & schedule work */
2556 if (!local->ops->remain_on_channel) {
2557 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2558 goto out_queue;
2559 }
2560
2561 /* otherwise actually kick it off here (for error handling) */
2562
d339d5ca 2563 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2564 if (ret) {
2eb278e0
JB		 2565 kfree(roc);
2566 return ret;
21f83589
JB		 2567 }
2568
2eb278e0
JB		 2569 roc->started = true;
2570 goto out_queue;
2571
2572 out_check_combine:
2573 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2574 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2575 continue;
2576
2577 /*
2578 * Extend this ROC if possible:
2579 *
2580 * If it hasn't started yet, just increase the duration
2581 * and add the new one to the list of dependents.
d339d5ca
IP		 2582 * If the type of the new ROC has higher priority, modify the
2583 * type of the previous one to match that of the new one.
2eb278e0
JB		 2584 */
2585 if (!tmp->started) {
2586 list_add_tail(&roc->list, &tmp->dependents);
2587 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2588 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2589 queued = true;
2590 break;
2591 }
2592
2593 /* If it has already started, it's more difficult ... */
2594 if (local->ops->remain_on_channel) {
2eb278e0
JB		 2595 /*
2596 * In the offloaded ROC case, if it hasn't begun, add
2597 * this new one to the dependent list to be handled
d339d5ca 2598 * when the master one begins. If it has begun,
2eb278e0
JB		 2599 * check that there's still a minimum time left and
2600 * if so, start this one, transmitting the frame, but
d339d5ca 2601 * add it to the list directly after this one with
2eb278e0
JB		 2602 * a reduced time so we'll ask the driver to execute
2603 * it right after finishing the previous one, in the
2604 * hope that it'll also be executed right afterwards,
2605 * effectively extending the old one.
2606 * If there's no minimum time left, just add it to the
2607 * normal list.
d339d5ca
IP		 2608 * TODO: the ROC type is ignored here, assuming that it
2609 * is better to immediately use the current ROC.
2eb278e0
JB		 2610 */
2611 if (!tmp->hw_begun) {
2612 list_add_tail(&roc->list, &tmp->dependents);
2613 queued = true;
2614 break;
2615 }
2616
eaa336b0 2617 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2eb278e0 2618 queued = true;
2eb278e0
JB		 2619 } else if (del_timer_sync(&tmp->work.timer)) {
2620 unsigned long new_end;
2621
2622 /*
2623 * In the software ROC case, cancel the timer, if
2624 * that fails then the finish work is already
2625 * queued/pending and thus we queue the new ROC
2626 * normally, if that succeeds then we can extend
2627 * the timer duration and TX the frame (if any.)
2628 */
2629
2630 list_add_tail(&roc->list, &tmp->dependents);
2631 queued = true;
2632
2633 new_end = jiffies + msecs_to_jiffies(roc->duration);
2634
2635 /* ok, it was started & we canceled timer */
2636 if (time_after(new_end, tmp->work.timer.expires))
2637 mod_timer(&tmp->work.timer, new_end);
2638 else
2639 add_timer(&tmp->work.timer);
2640
2641 ieee80211_handle_roc_started(roc);
2642 }
2643 break;
2644 }
2645
2646 out_queue:
2647 if (!queued)
2648 list_add_tail(&roc->list, &local->roc_list);
2649
2eb278e0 2650 return 0;
21f83589
JB		 2651}
2652
b8bc4b0a 2653static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2654 struct wireless_dev *wdev,
b8bc4b0a 2655 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2656 unsigned int duration,
2657 u64 *cookie)
2658{
71bbc994 2659 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2660 struct ieee80211_local *local = sdata->local;
2eb278e0 2661 int ret;
21f83589 2662
2eb278e0 2663 mutex_lock(&local->mtx);
42d97a59 2664 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2665 duration, cookie, NULL,
2666 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2667 mutex_unlock(&local->mtx);
b8bc4b0a 2668
2eb278e0 2669 return ret;
b8bc4b0a
JB		 2670}
2671
2eb278e0
JB		 2672static int ieee80211_cancel_roc(struct ieee80211_local *local,
2673 u64 cookie, bool mgmt_tx)
21f83589 2674{
2eb278e0 2675 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2676 int ret;
2677
2eb278e0
JB		 2678 mutex_lock(&local->mtx);
2679 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2680 struct ieee80211_roc_work *dep, *tmp2;
2681
2682 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2683 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2684 continue;
2685 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2686 continue;
2687 /* found dependent item -- just remove it */
2688 list_del(&dep->list);
2689 mutex_unlock(&local->mtx);
2690
3fbd45ca 2691 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2692 return 0;
2693 }
2694
50febf6a 2695 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2696 continue;
2697 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2698 continue;
21f83589 2699
2eb278e0
JB		 2700 found = roc;
2701 break;
2702 }
21f83589 2703
2eb278e0
JB		 2704 if (!found) {
2705 mutex_unlock(&local->mtx);
2706 return -ENOENT;
2707 }
21f83589 2708
e979e33c
JB		 2709 /*
2710 * We found the item to cancel, so do that. Note that it
2711 * may have dependents, which we also cancel (and send
2712 * the expired signal for.) Not doing so would be quite
2713 * tricky here, but we may need to fix it later.
2714 */
2715
2eb278e0
JB		 2716 if (local->ops->remain_on_channel) {
2717 if (found->started) {
2718 ret = drv_cancel_remain_on_channel(local);
2719 if (WARN_ON_ONCE(ret)) {
2720 mutex_unlock(&local->mtx);
2721 return ret;
2722 }
2723 }
21f83589 2724
2eb278e0 2725 list_del(&found->list);
21f83589 2726
0f6b3f59
JB		 2727 if (found->started)
2728 ieee80211_start_next_roc(local);
2eb278e0 2729 mutex_unlock(&local->mtx);
21f83589 2730
3fbd45ca 2731 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2732 } else {
2733 /* work may be pending so use it all the time */
2734 found->abort = true;
2735 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2736
21f83589
JB		 2737 mutex_unlock(&local->mtx);
2738
2eb278e0
JB		 2739 /* work will clean up etc */
2740 flush_delayed_work(&found->work);
3fbd45ca
JB		 2741 WARN_ON(!found->to_be_freed);
2742 kfree(found);
21f83589 2743 }
b8bc4b0a 2744
2eb278e0 2745 return 0;
b8bc4b0a
JB		 2746}
2747
2eb278e0 2748static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2749 struct wireless_dev *wdev,
2eb278e0 2750 u64 cookie)
f30221e4 2751{
71bbc994 2752 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2753 struct ieee80211_local *local = sdata->local;
f30221e4 2754
2eb278e0 2755 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2756}
2757
164eb02d
SW		 2758static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2759 struct net_device *dev,
31559f35
JD		 2760 struct cfg80211_chan_def *chandef,
2761 u32 cac_time_ms)
164eb02d
SW		 2762{
2763 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2764 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2765 int err;
2766
34a3740d
JB		 2767 mutex_lock(&local->mtx);
2768 if (!list_empty(&local->roc_list) || local->scanning) {
2769 err = -EBUSY;
2770 goto out_unlock;
2771 }
164eb02d
SW		 2772
2773 /* whatever, but channel contexts should not complain about that one */
2774 sdata->smps_mode = IEEE80211_SMPS_OFF;
2775 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2776
164eb02d
SW		 2777 err = ieee80211_vif_use_channel(sdata, chandef,
2778 IEEE80211_CHANCTX_SHARED);
164eb02d 2779 if (err)
34a3740d 2780 goto out_unlock;
164eb02d 2781
164eb02d 2782 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2783 &sdata->dfs_cac_timer_work,
2784 msecs_to_jiffies(cac_time_ms));
164eb02d 2785
34a3740d
JB		 2786 out_unlock:
2787 mutex_unlock(&local->mtx);
2788 return err;
164eb02d
SW		 2789}
2790
73da7d5b
SW		 2791static struct cfg80211_beacon_data *
2792cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2793{
2794 struct cfg80211_beacon_data *new_beacon;
2795 u8 *pos;
2796 int len;
2797
2798 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2799 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2800 beacon->probe_resp_len;
2801
2802 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2803 if (!new_beacon)
2804 return NULL;
2805
2806 pos = (u8 *)(new_beacon + 1);
2807 if (beacon->head_len) {
2808 new_beacon->head_len = beacon->head_len;
2809 new_beacon->head = pos;
2810 memcpy(pos, beacon->head, beacon->head_len);
2811 pos += beacon->head_len;
2812 }
2813 if (beacon->tail_len) {
2814 new_beacon->tail_len = beacon->tail_len;
2815 new_beacon->tail = pos;
2816 memcpy(pos, beacon->tail, beacon->tail_len);
2817 pos += beacon->tail_len;
2818 }
2819 if (beacon->beacon_ies_len) {
2820 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2821 new_beacon->beacon_ies = pos;
2822 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2823 pos += beacon->beacon_ies_len;
2824 }
2825 if (beacon->proberesp_ies_len) {
2826 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2827 new_beacon->proberesp_ies = pos;
2828 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2829 pos += beacon->proberesp_ies_len;
2830 }
2831 if (beacon->assocresp_ies_len) {
2832 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2833 new_beacon->assocresp_ies = pos;
2834 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2835 pos += beacon->assocresp_ies_len;
2836 }
2837 if (beacon->probe_resp_len) {
2838 new_beacon->probe_resp_len = beacon->probe_resp_len;
2839 beacon->probe_resp = pos;
2840 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2841 pos += beacon->probe_resp_len;
2842 }
2843
2844 return new_beacon;
2845}
2846
66e01cf9 2847void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2848{
66e01cf9 2849 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2850
66e01cf9
LC		 2851 ieee80211_queue_work(&sdata->local->hw,
2852 &sdata->csa_finalize_work);
2853}
2854EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2855
66199506
MK		 2856static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2857 u32 *changed)
66e01cf9 2858{
66199506 2859 int err;
7578d575 2860
cd7760e6
SW		 2861 switch (sdata->vif.type) {
2862 case NL80211_IFTYPE_AP:
af296bdb
MK		 2863 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2864 NULL);
97518af1
MK		 2865 kfree(sdata->u.ap.next_beacon);
2866 sdata->u.ap.next_beacon = NULL;
2867
cd7760e6 2868 if (err < 0)
66199506
MK		 2869 return err;
2870 *changed |= err;
cd7760e6
SW		 2871 break;
2872 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2873 err = ieee80211_ibss_finish_csa(sdata);
2874 if (err < 0)
66199506
MK		 2875 return err;
2876 *changed |= err;
cd7760e6 2877 break;
b8456a14
CYY		 2878#ifdef CONFIG_MAC80211_MESH
2879 case NL80211_IFTYPE_MESH_POINT:
2880 err = ieee80211_mesh_finish_csa(sdata);
2881 if (err < 0)
66199506
MK		 2882 return err;
2883 *changed |= err;
b8456a14
CYY		 2884 break;
2885#endif
cd7760e6
SW		 2886 default:
2887 WARN_ON(1);
66199506
MK		 2888 return -EINVAL;
2889 }
2890
2891 return 0;
2892}
2893
cf8767dd 2894static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2895{
2896 struct ieee80211_local *local = sdata->local;
2897 u32 changed = 0;
2898 int err;
2899
2900 sdata_assert_lock(sdata);
2901 lockdep_assert_held(&local->mtx);
03078de4 2902 lockdep_assert_held(&local->chanctx_mtx);
66199506 2903
03078de4
MK		 2904 /*
2905 * using reservation isn't immediate as it may be deferred until later
2906 * with multi-vif. once reservation is complete it will re-schedule the
2907 * work with no reserved_chanctx so verify chandef to check if it
2908 * completed successfully
2909 */
66199506 2910
03078de4
MK		 2911 if (sdata->reserved_chanctx) {
2912 /*
2913 * with multi-vif csa driver may call ieee80211_csa_finish()
2914 * many times while waiting for other interfaces to use their
2915 * reservations
2916 */
2917 if (sdata->reserved_ready)
2918 return 0;
2919
408b18ab 2920 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2921 }
73da7d5b 2922
03078de4
MK		 2923 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2924 &sdata->csa_chandef))
2925 return -EINVAL;
2926
66199506
MK		 2927 sdata->vif.csa_active = false;
2928
2929 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2930 if (err)
cf8767dd 2931 return err;
faf046e7 2932
66199506 2933 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2934
a46992b4
LC		 2935 if (sdata->csa_block_tx) {
2936 ieee80211_wake_vif_queues(local, sdata,
2937 IEEE80211_QUEUE_STOP_REASON_CSA);
2938 sdata->csa_block_tx = false;
2939 }
cf8767dd 2940
f1d65583
LC		 2941 err = drv_post_channel_switch(sdata);
2942 if (err)
2943 return err;
2944
2945 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2946
cf8767dd
MK		 2947 return 0;
2948}
2949
2950static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2951{
2952 if (__ieee80211_csa_finalize(sdata)) {
2953 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2954 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2955 GFP_KERNEL);
2956 }
66e01cf9
LC		 2957}
2958
2959void ieee80211_csa_finalize_work(struct work_struct *work)
2960{
2961 struct ieee80211_sub_if_data *sdata =
2962 container_of(work, struct ieee80211_sub_if_data,
2963 csa_finalize_work);
59af6928 2964 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 2965
2966 sdata_lock(sdata);
59af6928 2967 mutex_lock(&local->mtx);
03078de4 2968 mutex_lock(&local->chanctx_mtx);
59af6928 2969
66e01cf9
LC		 2970 /* AP might have been stopped while waiting for the lock. */
2971 if (!sdata->vif.csa_active)
2972 goto unlock;
2973
2974 if (!ieee80211_sdata_running(sdata))
2975 goto unlock;
2976
2977 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 2978
2979unlock:
03078de4 2980 mutex_unlock(&local->chanctx_mtx);
59af6928 2981 mutex_unlock(&local->mtx);
e487eaeb 2982 sdata_unlock(sdata);
73da7d5b
SW		 2983}
2984
37fa2bdd
MK		 2985static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
2986 struct cfg80211_csa_settings *params,
2987 u32 *changed)
73da7d5b 2988{
af296bdb 2989 struct ieee80211_csa_settings csa = {};
37fa2bdd 2990 int err;
73da7d5b 2991
73da7d5b
SW		 2992 switch (sdata->vif.type) {
2993 case NL80211_IFTYPE_AP:
cd7760e6
SW		 2994 sdata->u.ap.next_beacon =
2995 cfg80211_beacon_dup(&params->beacon_after);
2996 if (!sdata->u.ap.next_beacon)
2997 return -ENOMEM;
2998
66e01cf9
LC		 2999 /*
3000 * With a count of 0, we don't have to wait for any
3001 * TBTT before switching, so complete the CSA
3002 * immediately. In theory, with a count == 1 we
3003 * should delay the switch until just before the next
3004 * TBTT, but that would complicate things so we switch
3005 * immediately too. If we would delay the switch
3006 * until the next TBTT, we would have to set the probe
3007 * response here.
3008 *
3009 * TODO: A channel switch with count <= 1 without
3010 * sending a CSA action frame is kind of useless,
3011 * because the clients won't know we're changing
3012 * channels. The action frame must be implemented
3013 * either here or in the userspace.
3014 */
3015 if (params->count <= 1)
3016 break;
3017
0d06d9ba
AO		 3018 if ((params->n_counter_offsets_beacon >
3019 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3020 (params->n_counter_offsets_presp >
3021 IEEE80211_MAX_CSA_COUNTERS_NUM))
3022 return -EINVAL;
9a774c78 3023
af296bdb
MK		 3024 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3025 csa.counter_offsets_presp = params->counter_offsets_presp;
3026 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3027 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3028 csa.count = params->count;
9a774c78 3029
af296bdb 3030 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3031 if (err < 0) {
3032 kfree(sdata->u.ap.next_beacon);
3033 return err;
3034 }
37fa2bdd 3035 *changed |= err;
66e01cf9 3036
cd7760e6
SW		 3037 break;
3038 case NL80211_IFTYPE_ADHOC:
3039 if (!sdata->vif.bss_conf.ibss_joined)
3040 return -EINVAL;
3041
3042 if (params->chandef.width != sdata->u.ibss.chandef.width)
3043 return -EINVAL;
3044
3045 switch (params->chandef.width) {
3046 case NL80211_CHAN_WIDTH_40:
3047 if (cfg80211_get_chandef_type(&params->chandef) !=
3048 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3049 return -EINVAL;
3050 case NL80211_CHAN_WIDTH_5:
3051 case NL80211_CHAN_WIDTH_10:
3052 case NL80211_CHAN_WIDTH_20_NOHT:
3053 case NL80211_CHAN_WIDTH_20:
3054 break;
3055 default:
3056 return -EINVAL;
3057 }
3058
3059 /* changes into another band are not supported */
3060 if (sdata->u.ibss.chandef.chan->band !=
3061 params->chandef.chan->band)
3062 return -EINVAL;
3063
66e01cf9
LC		 3064 /* see comments in the NL80211_IFTYPE_AP block */
3065 if (params->count > 1) {
3066 err = ieee80211_ibss_csa_beacon(sdata, params);
3067 if (err < 0)
3068 return err;
37fa2bdd 3069 *changed |= err;
66e01cf9
LC		 3070 }
3071
3072 ieee80211_send_action_csa(sdata, params);
3073
73da7d5b 3074 break;
c6da674a 3075#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3076 case NL80211_IFTYPE_MESH_POINT: {
3077 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3078
c6da674a
CYY		 3079 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3080 return -EINVAL;
3081
3082 /* changes into another band are not supported */
3083 if (sdata->vif.bss_conf.chandef.chan->band !=
3084 params->chandef.chan->band)
3085 return -EINVAL;
3086
c782bf8c 3087 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3088 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3089 if (!ifmsh->pre_value)
3090 ifmsh->pre_value = 1;
3091 else
3092 ifmsh->pre_value++;
3093 }
0cb4d4dc 3094
66e01cf9
LC		 3095 /* see comments in the NL80211_IFTYPE_AP block */
3096 if (params->count > 1) {
3097 err = ieee80211_mesh_csa_beacon(sdata, params);
3098 if (err < 0) {
3099 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3100 return err;
3101 }
37fa2bdd 3102 *changed |= err;
3f718fd8 3103 }
66e01cf9
LC		 3104
3105 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3106 ieee80211_send_action_csa(sdata, params);
3107
c6da674a 3108 break;
37fa2bdd 3109 }
c6da674a 3110#endif
73da7d5b
SW		 3111 default:
3112 return -EOPNOTSUPP;
3113 }
3114
37fa2bdd
MK		 3115 return 0;
3116}
3117
f29f58a9
LC		 3118static int
3119__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3120 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3121{
3122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3123 struct ieee80211_local *local = sdata->local;
6d027bcc 3124 struct ieee80211_channel_switch ch_switch;
2b32713d 3125 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3126 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3127 u32 changed = 0;
3128 int err;
37fa2bdd
MK		 3129
3130 sdata_assert_lock(sdata);
59af6928 3131 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3132
3133 if (!list_empty(&local->roc_list) || local->scanning)
3134 return -EBUSY;
3135
3136 if (sdata->wdev.cac_started)
3137 return -EBUSY;
3138
3139 if (cfg80211_chandef_identical(&params->chandef,
3140 &sdata->vif.bss_conf.chandef))
3141 return -EINVAL;
3142
03078de4
MK		 3143 /* don't allow another channel switch if one is already active. */
3144 if (sdata->vif.csa_active)
3145 return -EBUSY;
3146
2b32713d
MK		 3147 mutex_lock(&local->chanctx_mtx);
3148 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3149 lockdep_is_held(&local->chanctx_mtx));
3150 if (!conf) {
03078de4
MK		 3151 err = -EBUSY;
3152 goto out;
37fa2bdd
MK		 3153 }
3154
2b32713d 3155 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
03078de4
MK		 3156 if (!chanctx) {
3157 err = -EBUSY;
3158 goto out;
37fa2bdd 3159 }
37fa2bdd 3160
000baa5d
LC		 3161 ch_switch.timestamp = 0;
3162 ch_switch.device_timestamp = 0;
3163 ch_switch.block_tx = params->block_tx;
3164 ch_switch.chandef = params->chandef;
3165 ch_switch.count = params->count;
3166
6d027bcc
LC		 3167 err = drv_pre_channel_switch(sdata, &ch_switch);
3168 if (err)
3169 goto out;
3170
03078de4
MK		 3171 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3172 chanctx->mode,
3173 params->radar_required);
3174 if (err)
3175 goto out;
37fa2bdd 3176
03078de4
MK		 3177 /* if reservation is invalid then this will fail */
3178 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3179 if (err) {
3180 ieee80211_vif_unreserve_chanctx(sdata);
3181 goto out;
3182 }
37fa2bdd
MK		 3183
3184 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3185 if (err) {
3186 ieee80211_vif_unreserve_chanctx(sdata);
3187 goto out;
3188 }
37fa2bdd 3189
33787fc4 3190 sdata->csa_chandef = params->chandef;
59af6928 3191 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3192 sdata->vif.csa_active = true;
3193
59af6928 3194 if (sdata->csa_block_tx)
a46992b4
LC		 3195 ieee80211_stop_vif_queues(local, sdata,
3196 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3197
2f457293
LC		 3198 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3199 params->count);
3200
66e01cf9
LC		 3201 if (changed) {
3202 ieee80211_bss_info_change_notify(sdata, changed);
3203 drv_channel_switch_beacon(sdata, &params->chandef);
3204 } else {
3205 /* if the beacon didn't change, we can finalize immediately */
3206 ieee80211_csa_finalize(sdata);
3207 }
73da7d5b 3208
03078de4
MK		 3209out:
3210 mutex_unlock(&local->chanctx_mtx);
3211 return err;
73da7d5b
SW		 3212}
3213
59af6928
MK		 3214int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3215 struct cfg80211_csa_settings *params)
3216{
3217 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3218 struct ieee80211_local *local = sdata->local;
3219 int err;
3220
3221 mutex_lock(&local->mtx);
3222 err = __ieee80211_channel_switch(wiphy, dev, params);
3223 mutex_unlock(&local->mtx);
3224
3225 return err;
3226}
3227
71bbc994 3228static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3229 struct cfg80211_mgmt_tx_params *params,
3230 u64 *cookie)
026331c4 3231{
71bbc994 3232 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3233 struct ieee80211_local *local = sdata->local;
3234 struct sk_buff *skb;
3235 struct sta_info *sta;
b176e629 3236 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3237 bool need_offchan = false;
e247bd90 3238 u32 flags;
2eb278e0 3239 int ret;
387910cc 3240 u8 *data;
f7ca38df 3241
b176e629 3242 if (params->dont_wait_for_ack)
e247bd90
JB		 3243 flags = IEEE80211_TX_CTL_NO_ACK;
3244 else
3245 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3246 IEEE80211_TX_CTL_REQ_TX_STATUS;
3247
b176e629 3248 if (params->no_cck)
aad14ceb
RM		 3249 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3250
9d38d85d
JB		 3251 switch (sdata->vif.type) {
3252 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3253 if (!sdata->vif.bss_conf.ibss_joined)
3254 need_offchan = true;
3255 /* fall through */
3256#ifdef CONFIG_MAC80211_MESH
3257 case NL80211_IFTYPE_MESH_POINT:
3258 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3259 !sdata->u.mesh.mesh_id_len)
3260 need_offchan = true;
3261 /* fall through */
3262#endif
663fcafd
JB		 3263 case NL80211_IFTYPE_AP:
3264 case NL80211_IFTYPE_AP_VLAN:
3265 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3266 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3267 !ieee80211_vif_is_mesh(&sdata->vif) &&
3268 !rcu_access_pointer(sdata->bss->beacon))
3269 need_offchan = true;
663fcafd 3270 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3271 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3272 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3273 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3274 break;
3275 rcu_read_lock();
3276 sta = sta_info_get(sdata, mgmt->da);
3277 rcu_read_unlock();
3278 if (!sta)
3279 return -ENOLINK;
3280 break;
3281 case NL80211_IFTYPE_STATION:
663fcafd 3282 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3283 if (!sdata->u.mgd.associated)
3284 need_offchan = true;
9d38d85d 3285 break;
f142c6b9
JB		 3286 case NL80211_IFTYPE_P2P_DEVICE:
3287 need_offchan = true;
3288 break;
9d38d85d
JB		 3289 default:
3290 return -EOPNOTSUPP;
3291 }
3292
f7aeb6fb
AQ		 3293 /* configurations requiring offchan cannot work if no channel has been
3294 * specified
3295 */
b176e629 3296 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3297 return -EINVAL;
3298
2eb278e0
JB		 3299 mutex_lock(&local->mtx);
3300
3301 /* Check if the operating channel is the requested channel */
3302 if (!need_offchan) {
55de908a
JB		 3303 struct ieee80211_chanctx_conf *chanctx_conf;
3304
3305 rcu_read_lock();
3306 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3307
f7aeb6fb 3308 if (chanctx_conf) {
b176e629
AO		 3309 need_offchan = params->chan &&
3310 (params->chan !=
3311 chanctx_conf->def.chan);
3312 } else if (!params->chan) {
f7aeb6fb
AQ		 3313 ret = -EINVAL;
3314 rcu_read_unlock();
3315 goto out_unlock;
3316 } else {
2eb278e0 3317 need_offchan = true;
f7aeb6fb 3318 }
55de908a 3319 rcu_read_unlock();
2eb278e0
JB		 3320 }
3321
b176e629 3322 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3323 ret = -EBUSY;
3324 goto out_unlock;
3325 }
3326
b176e629 3327 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3328 if (!skb) {
3329 ret = -ENOMEM;
3330 goto out_unlock;
3331 }
9d38d85d
JB		 3332 skb_reserve(skb, local->hw.extra_tx_headroom);
3333
387910cc
AO		 3334 data = skb_put(skb, params->len);
3335 memcpy(data, params->buf, params->len);
3336
3337 /* Update CSA counters */
3338 if (sdata->vif.csa_active &&
3339 (sdata->vif.type == NL80211_IFTYPE_AP ||
3340 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3341 params->n_csa_offsets) {
3342 int i;
af296bdb 3343 struct beacon_data *beacon = NULL;
387910cc 3344
af296bdb
MK		 3345 rcu_read_lock();
3346
3347 if (sdata->vif.type == NL80211_IFTYPE_AP)
3348 beacon = rcu_dereference(sdata->u.ap.beacon);
3349 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3350 beacon = rcu_dereference(sdata->u.ibss.presp);
3351 else if (ieee80211_vif_is_mesh(&sdata->vif))
3352 beacon = rcu_dereference(sdata->u.mesh.beacon);
3353
3354 if (beacon)
3355 for (i = 0; i < params->n_csa_offsets; i++)
3356 data[params->csa_offsets[i]] =
3357 beacon->csa_current_counter;
3358
3359 rcu_read_unlock();
387910cc 3360 }
9d38d85d
JB		 3361
3362 IEEE80211_SKB_CB(skb)->flags = flags;
3363
3364 skb->dev = sdata->dev;
9d38d85d 3365
2eb278e0 3366 if (!need_offchan) {
7f9f78ab 3367 *cookie = (unsigned long) skb;
f30221e4 3368 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3369 ret = 0;
3370 goto out_unlock;
f30221e4
JB		 3371 }
3372
6c17b77b
SF		 3373 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3374 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3375 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3376 IEEE80211_SKB_CB(skb)->hw_queue =
3377 local->hw.offchannel_tx_hw_queue;
f30221e4 3378
2eb278e0 3379 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3380 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3381 params->wait, cookie, skb,
d339d5ca 3382 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3383 if (ret)
3384 kfree_skb(skb);
3385 out_unlock:
3386 mutex_unlock(&local->mtx);
3387 return ret;
026331c4
JM		 3388}
3389
f30221e4 3390static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3391 struct wireless_dev *wdev,
f30221e4
JB		 3392 u64 cookie)
3393{
71bbc994 3394 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3395
2eb278e0 3396 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3397}
3398
7be5086d 3399static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3400 struct wireless_dev *wdev,
7be5086d
JB		 3401 u16 frame_type, bool reg)
3402{
3403 struct ieee80211_local *local = wiphy_priv(wiphy);
3404
6abe0563 3405 switch (frame_type) {
6abe0563
WH		 3406 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3407 if (reg)
3408 local->probe_req_reg++;
3409 else
3410 local->probe_req_reg--;
7be5086d 3411
35f5149e
FF		 3412 if (!local->open_count)
3413 break;
3414
6abe0563
WH		 3415 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3416 break;
3417 default:
3418 break;
3419 }
7be5086d
JB		 3420}
3421
15d96753
BR		 3422static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3423{
3424 struct ieee80211_local *local = wiphy_priv(wiphy);
3425
3426 if (local->started)
3427 return -EOPNOTSUPP;
3428
3429 return drv_set_antenna(local, tx_ant, rx_ant);
3430}
3431
3432static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3433{
3434 struct ieee80211_local *local = wiphy_priv(wiphy);
3435
3436 return drv_get_antenna(local, tx_ant, rx_ant);
3437}
3438
c68f4b89
JB		 3439static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3440 struct net_device *dev,
3441 struct cfg80211_gtk_rekey_data *data)
3442{
3443 struct ieee80211_local *local = wiphy_priv(wiphy);
3444 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3445
3446 if (!local->ops->set_rekey_data)
3447 return -EOPNOTSUPP;
3448
3449 drv_set_rekey_data(local, sdata, data);
3450
3451 return 0;
3452}
3453
06500736
JB		 3454static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3455 const u8 *peer, u64 *cookie)
3456{
3457 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3458 struct ieee80211_local *local = sdata->local;
3459 struct ieee80211_qos_hdr *nullfunc;
3460 struct sk_buff *skb;
3461 int size = sizeof(*nullfunc);
3462 __le16 fc;
3463 bool qos;
3464 struct ieee80211_tx_info *info;
3465 struct sta_info *sta;
55de908a
JB		 3466 struct ieee80211_chanctx_conf *chanctx_conf;
3467 enum ieee80211_band band;
06500736
JB		 3468
3469 rcu_read_lock();
55de908a
JB		 3470 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3471 if (WARN_ON(!chanctx_conf)) {
3472 rcu_read_unlock();
3473 return -EINVAL;
3474 }
4bf88530 3475 band = chanctx_conf->def.chan->band;
03bb7f42 3476 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3477 if (sta) {
a74a8c84 3478 qos = sta->sta.wme;
b4487c2d
JB		 3479 } else {
3480 rcu_read_unlock();
06500736 3481 return -ENOLINK;
b4487c2d 3482 }
06500736
JB		 3483
3484 if (qos) {
3485 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3486 IEEE80211_STYPE_QOS_NULLFUNC |
3487 IEEE80211_FCTL_FROMDS);
3488 } else {
3489 size -= 2;
3490 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3491 IEEE80211_STYPE_NULLFUNC |
3492 IEEE80211_FCTL_FROMDS);
3493 }
3494
3495 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3496 if (!skb) {
3497 rcu_read_unlock();
06500736 3498 return -ENOMEM;
55de908a 3499 }
06500736
JB		 3500
3501 skb->dev = dev;
3502
3503 skb_reserve(skb, local->hw.extra_tx_headroom);
3504
3505 nullfunc = (void *) skb_put(skb, size);
3506 nullfunc->frame_control = fc;
3507 nullfunc->duration_id = 0;
3508 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3509 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3510 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3511 nullfunc->seq_ctrl = 0;
3512
3513 info = IEEE80211_SKB_CB(skb);
3514
3515 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3516 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3517 info->band = band;
06500736
JB		 3518
3519 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3520 skb->priority = 7;
3521 if (qos)
3522 nullfunc->qos_ctrl = cpu_to_le16(7);
3523
3524 local_bh_disable();
73c4e195 3525 ieee80211_xmit(sdata, skb);
06500736 3526 local_bh_enable();
55de908a 3527 rcu_read_unlock();
06500736
JB		 3528
3529 *cookie = (unsigned long) skb;
3530 return 0;
3531}
3532
683b6d3b
JB		 3533static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3534 struct wireless_dev *wdev,
3535 struct cfg80211_chan_def *chandef)
5b7ccaf3 3536{
55de908a 3537 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3538 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3539 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3540 int ret = -ENODATA;
55de908a
JB		 3541
3542 rcu_read_lock();
feda3027
JB		 3543 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3544 if (chanctx_conf) {
c12bc488 3545 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3546 ret = 0;
3547 } else if (local->open_count > 0 &&
3548 local->open_count == local->monitors &&
3549 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3550 if (local->use_chanctx)
3551 *chandef = local->monitor_chandef;
3552 else
675a0b04 3553 *chandef = local->_oper_chandef;
683b6d3b 3554 ret = 0;
55de908a
JB		 3555 }
3556 rcu_read_unlock();
5b7ccaf3 3557
683b6d3b 3558 return ret;
5b7ccaf3
JB		 3559}
3560
6d52563f
JB		 3561#ifdef CONFIG_PM
3562static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3563{
3564 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3565}
3566#endif
3567
32db6b54
KP		 3568static int ieee80211_set_qos_map(struct wiphy *wiphy,
3569 struct net_device *dev,
3570 struct cfg80211_qos_map *qos_map)
3571{
3572 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3573 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3574
3575 if (qos_map) {
3576 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3577 if (!new_qos_map)
3578 return -ENOMEM;
3579 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3580 } else {
3581 /* A NULL qos_map was passed to disable QoS mapping */
3582 new_qos_map = NULL;
3583 }
3584
194ff52d 3585 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3586 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3587 if (old_qos_map)
3588 kfree_rcu(old_qos_map, rcu_head);
3589
3590 return 0;
3591}
3592
3b1700bd
JM		 3593static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3594 struct net_device *dev,
3595 struct cfg80211_chan_def *chandef)
3596{
3597 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3598 int ret;
3599 u32 changed = 0;
3600
3601 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3602 if (ret == 0)
3603 ieee80211_bss_info_change_notify(sdata, changed);
3604
3605 return ret;
3606}
3607
02219b3a
JB		 3608static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3609 u8 tsid, const u8 *peer, u8 up,
3610 u16 admitted_time)
3611{
3612 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3613 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3614 int ac = ieee802_1d_to_ac[up];
3615
3616 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3617 return -EOPNOTSUPP;
3618
3619 if (!(sdata->wmm_acm & BIT(up)))
3620 return -EINVAL;
3621
3622 if (ifmgd->tx_tspec[ac].admitted_time)
3623 return -EBUSY;
3624
3625 if (admitted_time) {
3626 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3627 ifmgd->tx_tspec[ac].tsid = tsid;
3628 ifmgd->tx_tspec[ac].up = up;
3629 }
3630
3631 return 0;
3632}
3633
3634static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3635 u8 tsid, const u8 *peer)
3636{
3637 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3638 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3639 struct ieee80211_local *local = wiphy_priv(wiphy);
3640 int ac;
3641
3642 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3643 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3644
3645 /* skip unused entries */
3646 if (!tx_tspec->admitted_time)
3647 continue;
3648
3649 if (tx_tspec->tsid != tsid)
3650 continue;
3651
3652 /* due to this new packets will be reassigned to non-ACM ACs */
3653 tx_tspec->up = -1;
3654
3655 /* Make sure that all packets have been sent to avoid to
3656 * restore the QoS params on packets that are still on the
3657 * queues.
3658 */
3659 synchronize_net();
3660 ieee80211_flush_queues(local, sdata);
3661
3662 /* restore the normal QoS parameters
3663 * (unconditionally to avoid races)
3664 */
3665 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3666 tx_tspec->downgraded = false;
3667 ieee80211_sta_handle_tspec_ac_params(sdata);
3668
3669 /* finally clear all the data */
3670 memset(tx_tspec, 0, sizeof(*tx_tspec));
3671
3672 return 0;
3673 }
3674
3675 return -ENOENT;
3676}
3677
8a47cea7 3678const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3679 .add_virtual_intf = ieee80211_add_iface,
3680 .del_virtual_intf = ieee80211_del_iface,
42613db7 3681 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3682 .start_p2p_device = ieee80211_start_p2p_device,
3683 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3684 .add_key = ieee80211_add_key,
3685 .del_key = ieee80211_del_key,
62da92fb 3686 .get_key = ieee80211_get_key,
e8cbb4cb 3687 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3688 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3689 .start_ap = ieee80211_start_ap,
3690 .change_beacon = ieee80211_change_beacon,
3691 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3692 .add_station = ieee80211_add_station,
3693 .del_station = ieee80211_del_station,
3694 .change_station = ieee80211_change_station,
7bbdd2d9 3695 .get_station = ieee80211_get_station,
c5dd9c2b 3696 .dump_station = ieee80211_dump_station,
1289723e 3697 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3698#ifdef CONFIG_MAC80211_MESH
3699 .add_mpath = ieee80211_add_mpath,
3700 .del_mpath = ieee80211_del_mpath,
3701 .change_mpath = ieee80211_change_mpath,
3702 .get_mpath = ieee80211_get_mpath,
3703 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3704 .get_mpp = ieee80211_get_mpp,
3705 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3706 .update_mesh_config = ieee80211_update_mesh_config,
3707 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3708 .join_mesh = ieee80211_join_mesh,
3709 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3710#endif
239281f8
RL		 3711 .join_ocb = ieee80211_join_ocb,
3712 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3713 .change_bss = ieee80211_change_bss,
31888487 3714 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3715 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3716 .suspend = ieee80211_suspend,
3717 .resume = ieee80211_resume,
2a519311 3718 .scan = ieee80211_scan,
79f460ca
LC		 3719 .sched_scan_start = ieee80211_sched_scan_start,
3720 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3721 .auth = ieee80211_auth,
3722 .assoc = ieee80211_assoc,
3723 .deauth = ieee80211_deauth,
3724 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3725 .join_ibss = ieee80211_join_ibss,
3726 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3727 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3728 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3729 .set_tx_power = ieee80211_set_tx_power,
3730 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3731 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3732 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3733 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3734 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3735 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3736 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3737 .remain_on_channel = ieee80211_remain_on_channel,
3738 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3739 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3740 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3741 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3742 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3743 .set_antenna = ieee80211_set_antenna,
3744 .get_antenna = ieee80211_get_antenna,
c68f4b89 3745 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3746 .tdls_oper = ieee80211_tdls_oper,
3747 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3748 .probe_client = ieee80211_probe_client,
b53be792 3749 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3750#ifdef CONFIG_PM
3751 .set_wakeup = ieee80211_set_wakeup,
3752#endif
5b7ccaf3 3753 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3754 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3755 .channel_switch = ieee80211_channel_switch,
32db6b54 3756 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3757 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3758 .add_tx_ts = ieee80211_add_tx_ts,
3759 .del_tx_ts = ieee80211_del_tx_ts,
f0706e82 3760};
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