projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
cfg80211: remove 80+80 MHz rate reporting
[linux-2.6-block.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
d98ad83e 5 * Copyright 2013-2014 Intel Mobile Communications GmbH
f0706e82
JB		 6 *
7 * This file is GPLv2 as found in COPYING.
8 */
9
e8cbb4cb 10#include <linux/ieee80211.h>
f0706e82
JB		 11#include <linux/nl80211.h>
12#include <linux/rtnetlink.h>
5a0e3ad6 13#include <linux/slab.h>
881d966b 14#include <net/net_namespace.h>
5dfdaf58 15#include <linux/rcupdate.h>
dfe018bf 16#include <linux/if_ether.h>
f0706e82
JB		 17#include <net/cfg80211.h>
18#include "ieee80211_i.h"
24487981 19#include "driver-ops.h"
e0eb6859 20#include "cfg.h"
2c8dccc7 21#include "rate.h"
c5dd9c2b 22#include "mesh.h"
02219b3a 23#include "wme.h"
c5dd9c2b 24
552bff0c
JB		 25static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
26 const char *name,
84efbb84
JB		 27 enum nl80211_iftype type,
28 u32 *flags,
29 struct vif_params *params)
f0706e82
JB		 30{
31 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 32 struct wireless_dev *wdev;
8cc9a739
MW		 33 struct ieee80211_sub_if_data *sdata;
34 int err;
f0706e82 35
84efbb84 36 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 37 if (err)
38 return ERR_PTR(err);
8cc9a739 39
f9e10ce4 40 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 41 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 42 sdata->u.mntr_flags = *flags;
43 }
44
84efbb84 45 return wdev;
f0706e82
JB		 46}
47
84efbb84 48static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 49{
84efbb84 50 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 51
75636525 52 return 0;
f0706e82
JB		 53}
54
e36d56b6
JB		 55static int ieee80211_change_iface(struct wiphy *wiphy,
56 struct net_device *dev,
2ec600d6
LCC		 57 enum nl80211_iftype type, u32 *flags,
58 struct vif_params *params)
42613db7 59{
9607e6b6 60 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 61 int ret;
42613db7 62
05c914fe 63 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 64 if (ret)
65 return ret;
42613db7 66
9bc383de
JB		 67 if (type == NL80211_IFTYPE_AP_VLAN &&
68 params && params->use_4addr == 0)
a9b3cd7f 69 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 70 else if (type == NL80211_IFTYPE_STATION &&
71 params && params->use_4addr >= 0)
72 sdata->u.mgd.use_4addr = params->use_4addr;
73
85416a4f
CL		 74 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
75 struct ieee80211_local *local = sdata->local;
76
77 if (ieee80211_sdata_running(sdata)) {
31eba5bc
FF		 78 u32 mask = MONITOR_FLAG_COOK_FRAMES |
79 MONITOR_FLAG_ACTIVE;
80
85416a4f 81 /*
31eba5bc
FF		 82 * Prohibit MONITOR_FLAG_COOK_FRAMES and
83 * MONITOR_FLAG_ACTIVE to be changed while the
84 * interface is up.
85416a4f
CL		 85 * Else we would need to add a lot of cruft
86 * to update everything:
87 * cooked_mntrs, monitor and all fif_* counters
88 * reconfigure hardware
89 */
31eba5bc 90 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
85416a4f
CL		 91 return -EBUSY;
92
93 ieee80211_adjust_monitor_flags(sdata, -1);
94 sdata->u.mntr_flags = *flags;
95 ieee80211_adjust_monitor_flags(sdata, 1);
96
97 ieee80211_configure_filter(local);
98 } else {
99 /*
100 * Because the interface is down, ieee80211_do_stop
101 * and ieee80211_do_open take care of "everything"
102 * mentioned in the comment above.
103 */
104 sdata->u.mntr_flags = *flags;
105 }
106 }
f7917af9 107
42613db7
JB		 108 return 0;
109}
110
f142c6b9
JB		 111static int ieee80211_start_p2p_device(struct wiphy *wiphy,
112 struct wireless_dev *wdev)
113{
b6a55015
LC		 114 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
115 int ret;
116
117 mutex_lock(&sdata->local->chanctx_mtx);
118 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
119 mutex_unlock(&sdata->local->chanctx_mtx);
120 if (ret < 0)
121 return ret;
122
f142c6b9
JB		 123 return ieee80211_do_open(wdev, true);
124}
125
126static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
127 struct wireless_dev *wdev)
128{
129 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
130}
131
b53be792
SW		 132static int ieee80211_set_noack_map(struct wiphy *wiphy,
133 struct net_device *dev,
134 u16 noack_map)
135{
136 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
137
138 sdata->noack_map = noack_map;
139 return 0;
140}
141
e8cbb4cb 142static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 143 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 144 struct key_params *params)
145{
26a58456 146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 147 struct ieee80211_local *local = sdata->local;
e8cbb4cb 148 struct sta_info *sta = NULL;
2475b1cc 149 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 150 struct ieee80211_key *key;
3b96766f 151 int err;
e8cbb4cb 152
26a58456 153 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 154 return -ENETDOWN;
155
97359d12 156 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 157 switch (params->cipher) {
158 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 159 case WLAN_CIPHER_SUITE_TKIP:
97359d12 160 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 161 if (IS_ERR(local->wep_tx_tfm))
97359d12 162 return -EINVAL;
3cfcf6ac 163 break;
2475b1cc
MS		 164 case WLAN_CIPHER_SUITE_CCMP:
165 case WLAN_CIPHER_SUITE_AES_CMAC:
166 case WLAN_CIPHER_SUITE_GCMP:
167 break;
e8cbb4cb 168 default:
2475b1cc 169 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 170 break;
e8cbb4cb
JB		 171 }
172
97359d12 173 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 174 params->key, params->seq_len, params->seq,
175 cs);
1ac62ba7
BH		 176 if (IS_ERR(key))
177 return PTR_ERR(key);
db4d1169 178
e31b8213
JB		 179 if (pairwise)
180 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
181
2475b1cc 182 mutex_lock(&local->sta_mtx);
3b96766f 183
e8cbb4cb 184 if (mac_addr) {
ff973af7
TP		 185 if (ieee80211_vif_is_mesh(&sdata->vif))
186 sta = sta_info_get(sdata, mac_addr);
187 else
188 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 189 /*
190 * The ASSOC test makes sure the driver is ready to
191 * receive the key. When wpa_supplicant has roamed
192 * using FT, it attempts to set the key before
193 * association has completed, this rejects that attempt
d070f913 194 * so it will set the key again after association.
1626e0fa
JB		 195 *
196 * TODO: accept the key if we have a station entry and
197 * add it to the device after the station.
198 */
199 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 200 ieee80211_key_free_unused(key);
3b96766f
JB		 201 err = -ENOENT;
202 goto out_unlock;
db4d1169 203 }
e8cbb4cb
JB		 204 }
205
e548c49e
JB		 206 switch (sdata->vif.type) {
207 case NL80211_IFTYPE_STATION:
208 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
209 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
210 break;
211 case NL80211_IFTYPE_AP:
212 case NL80211_IFTYPE_AP_VLAN:
213 /* Keys without a station are used for TX only */
214 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
215 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
216 break;
217 case NL80211_IFTYPE_ADHOC:
218 /* no MFP (yet) */
219 break;
220 case NL80211_IFTYPE_MESH_POINT:
221#ifdef CONFIG_MAC80211_MESH
222 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
223 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
224 break;
225#endif
226 case NL80211_IFTYPE_WDS:
227 case NL80211_IFTYPE_MONITOR:
228 case NL80211_IFTYPE_P2P_DEVICE:
229 case NL80211_IFTYPE_UNSPECIFIED:
230 case NUM_NL80211_IFTYPES:
231 case NL80211_IFTYPE_P2P_CLIENT:
232 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 233 case NL80211_IFTYPE_OCB:
e548c49e
JB		 234 /* shouldn't happen */
235 WARN_ON_ONCE(1);
236 break;
237 }
238
2475b1cc
MS		 239 if (sta)
240 sta->cipher_scheme = cs;
241
3ffc2a90 242 err = ieee80211_key_link(key, sdata, sta);
db4d1169 243
3b96766f 244 out_unlock:
2475b1cc 245 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 246
247 return err;
e8cbb4cb
JB		 248}
249
250static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 251 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 252{
5c0c3641
JB		 253 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
254 struct ieee80211_local *local = sdata->local;
e8cbb4cb 255 struct sta_info *sta;
5c0c3641 256 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 257 int ret;
258
5c0c3641
JB		 259 mutex_lock(&local->sta_mtx);
260 mutex_lock(&local->key_mtx);
3b96766f 261
e8cbb4cb 262 if (mac_addr) {
3b96766f
JB		 263 ret = -ENOENT;
264
0e5ded5a 265 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 266 if (!sta)
3b96766f 267 goto out_unlock;
e8cbb4cb 268
5c0c3641 269 if (pairwise)
2475b1cc 270 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 271 else
40b275b6 272 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 273 } else
40b275b6 274 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 275
5c0c3641 276 if (!key) {
3b96766f
JB		 277 ret = -ENOENT;
278 goto out_unlock;
279 }
e8cbb4cb 280
3b8d9c29 281 ieee80211_key_free(key, true);
e8cbb4cb 282
3b96766f
JB		 283 ret = 0;
284 out_unlock:
5c0c3641
JB		 285 mutex_unlock(&local->key_mtx);
286 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 287
288 return ret;
e8cbb4cb
JB		 289}
290
62da92fb 291static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 292 u8 key_idx, bool pairwise, const u8 *mac_addr,
293 void *cookie,
62da92fb
JB		 294 void (*callback)(void *cookie,
295 struct key_params *params))
296{
14db74bc 297 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 298 struct sta_info *sta = NULL;
299 u8 seq[6] = {0};
300 struct key_params params;
e31b8213 301 struct ieee80211_key *key = NULL;
aba83a0b 302 u64 pn64;
62da92fb
JB		 303 u32 iv32;
304 u16 iv16;
305 int err = -ENOENT;
306
14db74bc
JB		 307 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
308
3b96766f
JB		 309 rcu_read_lock();
310
62da92fb 311 if (mac_addr) {
0e5ded5a 312 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 313 if (!sta)
314 goto out;
315
354e159d 316 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 317 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 318 else if (!pairwise &&
319 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 320 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 321 } else
a3836e02 322 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 323
324 if (!key)
325 goto out;
326
327 memset(&params, 0, sizeof(params));
328
97359d12 329 params.cipher = key->conf.cipher;
62da92fb 330
97359d12
JB		 331 switch (key->conf.cipher) {
332 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 333 iv32 = key->u.tkip.tx.iv32;
334 iv16 = key->u.tkip.tx.iv16;
62da92fb 335
24487981
JB		 336 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
337 drv_get_tkip_seq(sdata->local,
338 key->conf.hw_key_idx,
339 &iv32, &iv16);
62da92fb
JB		 340
341 seq[0] = iv16 & 0xff;
342 seq[1] = (iv16 >> 8) & 0xff;
343 seq[2] = iv32 & 0xff;
344 seq[3] = (iv32 >> 8) & 0xff;
345 seq[4] = (iv32 >> 16) & 0xff;
346 seq[5] = (iv32 >> 24) & 0xff;
347 params.seq = seq;
348 params.seq_len = 6;
349 break;
97359d12 350 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 351 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
352 seq[0] = pn64;
353 seq[1] = pn64 >> 8;
354 seq[2] = pn64 >> 16;
355 seq[3] = pn64 >> 24;
356 seq[4] = pn64 >> 32;
357 seq[5] = pn64 >> 40;
62da92fb
JB		 358 params.seq = seq;
359 params.seq_len = 6;
360 break;
97359d12 361 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 362 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
363 seq[0] = pn64;
364 seq[1] = pn64 >> 8;
365 seq[2] = pn64 >> 16;
366 seq[3] = pn64 >> 24;
367 seq[4] = pn64 >> 32;
368 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 369 params.seq = seq;
370 params.seq_len = 6;
371 break;
62da92fb
JB		 372 }
373
374 params.key = key->conf.key;
375 params.key_len = key->conf.keylen;
376
377 callback(cookie, &params);
378 err = 0;
379
380 out:
3b96766f 381 rcu_read_unlock();
62da92fb
JB		 382 return err;
383}
384
e8cbb4cb
JB		 385static int ieee80211_config_default_key(struct wiphy *wiphy,
386 struct net_device *dev,
dbd2fd65
JB		 387 u8 key_idx, bool uni,
388 bool multi)
e8cbb4cb 389{
ad0e2b5a 390 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 391
f7e0104c 392 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 393
394 return 0;
395}
396
3cfcf6ac
JM		 397static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
398 struct net_device *dev,
399 u8 key_idx)
400{
66c52421 401 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 402
3cfcf6ac
JM		 403 ieee80211_set_default_mgmt_key(sdata, key_idx);
404
3cfcf6ac
JM		 405 return 0;
406}
407
6b62bf32
TP		 408void sta_set_rate_info_tx(struct sta_info *sta,
409 const struct ieee80211_tx_rate *rate,
410 struct rate_info *rinfo)
411{
412 rinfo->flags = 0;
8bc83c24 413 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 414 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 415 rinfo->mcs = rate->idx;
416 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
417 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
418 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
419 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
420 } else {
421 struct ieee80211_supported_band *sband;
2103dec1
SW		 422 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
423 u16 brate;
424
8bc83c24
JB		 425 sband = sta->local->hw.wiphy->bands[
426 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 427 brate = sband->bitrates[rate->idx].bitrate;
428 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 429 }
6b62bf32
TP		 430 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
431 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 432 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
433 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
434 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
435 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 436 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
437 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 438}
439
003e676a
S		 440void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
441{
442 rinfo->flags = 0;
443
444 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
445 rinfo->flags |= RATE_INFO_FLAGS_MCS;
446 rinfo->mcs = sta->last_rx_rate_idx;
447 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
448 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
449 rinfo->nss = sta->last_rx_rate_vht_nss;
450 rinfo->mcs = sta->last_rx_rate_idx;
451 } else {
452 struct ieee80211_supported_band *sband;
2103dec1
SW		 453 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
454 u16 brate;
003e676a
S		 455
456 sband = sta->local->hw.wiphy->bands[
457 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 458 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
459 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 460 }
461
462 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
463 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
464 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
465 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
1b8d242a 466 if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
003e676a 467 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
1b8d242a 468 if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
003e676a
S		 469 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
470}
471
c5dd9c2b 472static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 473 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 474{
3b53fde8 475 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 476 struct ieee80211_local *local = sdata->local;
c5dd9c2b 477 struct sta_info *sta;
d0709a65
JB		 478 int ret = -ENOENT;
479
66572cfc 480 mutex_lock(&local->sta_mtx);
c5dd9c2b 481
3b53fde8 482 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 483 if (sta) {
484 ret = 0;
17741cdc 485 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 486 sta_set_sinfo(sta, sinfo);
487 }
c5dd9c2b 488
66572cfc 489 mutex_unlock(&local->sta_mtx);
c5dd9c2b 490
d0709a65 491 return ret;
c5dd9c2b
LCC		 492}
493
1289723e
HS		 494static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
495 int idx, struct survey_info *survey)
496{
497 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
498
1289723e
HS		 499 return drv_get_survey(local, idx, survey);
500}
501
7bbdd2d9 502static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 503 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 504{
abe60632 505 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 506 struct ieee80211_local *local = sdata->local;
7bbdd2d9 507 struct sta_info *sta;
d0709a65 508 int ret = -ENOENT;
7bbdd2d9 509
66572cfc 510 mutex_lock(&local->sta_mtx);
7bbdd2d9 511
0e5ded5a 512 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 513 if (sta) {
514 ret = 0;
515 sta_set_sinfo(sta, sinfo);
516 }
517
66572cfc 518 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 519
520 return ret;
7bbdd2d9
JB		 521}
522
55de908a 523static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 524 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 525{
526 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 527 struct ieee80211_sub_if_data *sdata;
528 int ret = 0;
3d9e6e12 529
4bf88530 530 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 531 return 0;
3d9e6e12 532
34a3740d 533 mutex_lock(&local->mtx);
55de908a
JB		 534 mutex_lock(&local->iflist_mtx);
535 if (local->use_chanctx) {
536 sdata = rcu_dereference_protected(
537 local->monitor_sdata,
538 lockdep_is_held(&local->iflist_mtx));
539 if (sdata) {
540 ieee80211_vif_release_channel(sdata);
4bf88530 541 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 542 IEEE80211_CHANCTX_EXCLUSIVE);
543 }
544 } else if (local->open_count == local->monitors) {
675a0b04 545 local->_oper_chandef = *chandef;
55de908a
JB		 546 ieee80211_hw_config(local, 0);
547 }
3d9e6e12 548
4bf88530
JB		 549 if (ret == 0)
550 local->monitor_chandef = *chandef;
55de908a 551 mutex_unlock(&local->iflist_mtx);
34a3740d 552 mutex_unlock(&local->mtx);
3d9e6e12 553
55de908a 554 return ret;
e8c9bd5b
JB		 555}
556
02945821 557static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 558 const u8 *resp, size_t resp_len,
559 const struct ieee80211_csa_settings *csa)
02945821 560{
aa7a0080 561 struct probe_resp *new, *old;
02945821
AN		 562
563 if (!resp || !resp_len)
aba4e6ff 564 return 1;
02945821 565
7ca133bc 566 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 567
aa7a0080 568 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 569 if (!new)
570 return -ENOMEM;
571
aa7a0080
ES		 572 new->len = resp_len;
573 memcpy(new->data, resp, resp_len);
02945821 574
af296bdb
MK		 575 if (csa)
576 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
577 csa->n_counter_offsets_presp *
578 sizeof(new->csa_counter_offsets[0]));
579
02945821 580 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 581 if (old)
582 kfree_rcu(old, rcu_head);
02945821
AN		 583
584 return 0;
585}
586
0ae07968 587static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 588 struct cfg80211_beacon_data *params,
589 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 590{
591 struct beacon_data *new, *old;
592 int new_head_len, new_tail_len;
8860020e
JB		 593 int size, err;
594 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 595
7ca133bc
SW		 596 old = sdata_dereference(sdata->u.ap.beacon, sdata);
597
5dfdaf58 598
5dfdaf58
JB		 599 /* Need to have a beacon head if we don't have one yet */
600 if (!params->head && !old)
8860020e 601 return -EINVAL;
5dfdaf58
JB		 602
603 /* new or old head? */
604 if (params->head)
605 new_head_len = params->head_len;
606 else
607 new_head_len = old->head_len;
608
609 /* new or old tail? */
610 if (params->tail || !old)
611 /* params->tail_len will be zero for !params->tail */
612 new_tail_len = params->tail_len;
613 else
614 new_tail_len = old->tail_len;
615
616 size = sizeof(*new) + new_head_len + new_tail_len;
617
618 new = kzalloc(size, GFP_KERNEL);
619 if (!new)
620 return -ENOMEM;
621
622 /* start filling the new info now */
623
5dfdaf58
JB		 624 /*
625 * pointers go into the block we allocated,
626 * memory is | beacon_data | head | tail |
627 */
628 new->head = ((u8 *) new) + sizeof(*new);
629 new->tail = new->head + new_head_len;
630 new->head_len = new_head_len;
631 new->tail_len = new_tail_len;
632
af296bdb
MK		 633 if (csa) {
634 new->csa_current_counter = csa->count;
635 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
636 csa->n_counter_offsets_beacon *
637 sizeof(new->csa_counter_offsets[0]));
638 }
639
5dfdaf58
JB		 640 /* copy in head */
641 if (params->head)
642 memcpy(new->head, params->head, new_head_len);
643 else
644 memcpy(new->head, old->head, new_head_len);
645
646 /* copy in optional tail */
647 if (params->tail)
648 memcpy(new->tail, params->tail, new_tail_len);
649 else
650 if (old)
651 memcpy(new->tail, old->tail, new_tail_len);
652
02945821 653 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 654 params->probe_resp_len, csa);
8860020e
JB		 655 if (err < 0)
656 return err;
657 if (err == 0)
02945821
AN		 658 changed |= BSS_CHANGED_AP_PROBE_RESP;
659
8860020e
JB		 660 rcu_assign_pointer(sdata->u.ap.beacon, new);
661
662 if (old)
663 kfree_rcu(old, rcu_head);
7827493b 664
8860020e 665 return changed;
5dfdaf58
JB		 666}
667
8860020e
JB		 668static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
669 struct cfg80211_ap_settings *params)
5dfdaf58 670{
8860020e 671 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 672 struct ieee80211_local *local = sdata->local;
5dfdaf58 673 struct beacon_data *old;
665c93a9 674 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 675 u32 changed = BSS_CHANGED_BEACON_INT |
676 BSS_CHANGED_BEACON_ENABLED |
677 BSS_CHANGED_BEACON |
339afbf4 678 BSS_CHANGED_SSID |
4bcc56bb
JB		 679 BSS_CHANGED_P2P_PS |
680 BSS_CHANGED_TXPOWER;
8860020e 681 int err;
14db74bc 682
7ca133bc 683 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 684 if (old)
685 return -EALREADY;
686
f6993174
EP		 687 switch (params->smps_mode) {
688 case NL80211_SMPS_OFF:
689 sdata->smps_mode = IEEE80211_SMPS_OFF;
690 break;
691 case NL80211_SMPS_STATIC:
692 sdata->smps_mode = IEEE80211_SMPS_STATIC;
693 break;
694 case NL80211_SMPS_DYNAMIC:
695 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
696 break;
697 default:
698 return -EINVAL;
699 }
04ecd257
JB		 700 sdata->needed_rx_chains = sdata->local->rx_chains;
701
34a3740d 702 mutex_lock(&local->mtx);
4bf88530 703 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 704 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 705 if (!err)
706 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 707 mutex_unlock(&local->mtx);
aa430da4
JB		 708 if (err)
709 return err;
710
665c93a9
JB		 711 /*
712 * Apply control port protocol, this allows us to
713 * not encrypt dynamic WEP control frames.
714 */
715 sdata->control_port_protocol = params->crypto.control_port_ethertype;
716 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 717 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
718 &params->crypto,
719 sdata->vif.type);
720
665c93a9
JB		 721 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
722 vlan->control_port_protocol =
723 params->crypto.control_port_ethertype;
724 vlan->control_port_no_encrypt =
725 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 726 vlan->encrypt_headroom =
727 ieee80211_cs_headroom(sdata->local,
728 &params->crypto,
729 vlan->vif.type);
665c93a9
JB		 730 }
731
8860020e
JB		 732 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
733 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 734 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 735
736 sdata->vif.bss_conf.ssid_len = params->ssid_len;
737 if (params->ssid_len)
738 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
739 params->ssid_len);
740 sdata->vif.bss_conf.hidden_ssid =
741 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
742
67baf663
JD		 743 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
744 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
745 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
746 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
747 if (params->p2p_opp_ps)
748 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
749 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 750
af296bdb 751 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 752 if (err < 0) {
753 ieee80211_vif_release_channel(sdata);
8860020e 754 return err;
0297ea17 755 }
8860020e
JB		 756 changed |= err;
757
1041638f
JB		 758 err = drv_start_ap(sdata->local, sdata);
759 if (err) {
7ca133bc
SW		 760 old = sdata_dereference(sdata->u.ap.beacon, sdata);
761
1041638f
JB		 762 if (old)
763 kfree_rcu(old, rcu_head);
764 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 765 ieee80211_vif_release_channel(sdata);
1041638f
JB		 766 return err;
767 }
768
057d5f4b 769 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 770 ieee80211_bss_info_change_notify(sdata, changed);
771
3edaf3e6
JB		 772 netif_carrier_on(dev);
773 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
774 netif_carrier_on(vlan->dev);
775
665c93a9 776 return 0;
5dfdaf58
JB		 777}
778
8860020e
JB		 779static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
780 struct cfg80211_beacon_data *params)
5dfdaf58 781{
14db74bc 782 struct ieee80211_sub_if_data *sdata;
5dfdaf58 783 struct beacon_data *old;
8860020e 784 int err;
5dfdaf58 785
14db74bc 786 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 787 sdata_assert_lock(sdata);
14db74bc 788
73da7d5b
SW		 789 /* don't allow changing the beacon while CSA is in place - offset
790 * of channel switch counter may change
791 */
792 if (sdata->vif.csa_active)
793 return -EBUSY;
794
7ca133bc 795 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 796 if (!old)
797 return -ENOENT;
798
af296bdb 799 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 800 if (err < 0)
801 return err;
802 ieee80211_bss_info_change_notify(sdata, err);
803 return 0;
5dfdaf58
JB		 804}
805
8860020e 806static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 807{
7b20b8e8
JB		 808 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
809 struct ieee80211_sub_if_data *vlan;
810 struct ieee80211_local *local = sdata->local;
811 struct beacon_data *old_beacon;
812 struct probe_resp *old_probe_resp;
d2859df5 813 struct cfg80211_chan_def chandef;
14db74bc 814
dbd72850
MK		 815 sdata_assert_lock(sdata);
816
7ca133bc 817 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 818 if (!old_beacon)
5dfdaf58 819 return -ENOENT;
7ca133bc 820 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 821
73da7d5b 822 /* abort any running channel switch */
59af6928 823 mutex_lock(&local->mtx);
73da7d5b 824 sdata->vif.csa_active = false;
a46992b4
LC		 825 if (sdata->csa_block_tx) {
826 ieee80211_wake_vif_queues(local, sdata,
827 IEEE80211_QUEUE_STOP_REASON_CSA);
828 sdata->csa_block_tx = false;
829 }
830
59af6928
MK		 831 mutex_unlock(&local->mtx);
832
1f3b8a2b
SW		 833 kfree(sdata->u.ap.next_beacon);
834 sdata->u.ap.next_beacon = NULL;
835
7b20b8e8 836 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 837 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
838 netif_carrier_off(vlan->dev);
839 netif_carrier_off(dev);
840
7b20b8e8 841 /* remove beacon and probe response */
a9b3cd7f 842 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 843 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
844 kfree_rcu(old_beacon, rcu_head);
845 if (old_probe_resp)
846 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 847 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 848
e716251d 849 __sta_info_flush(sdata, true);
7907c7d3 850 ieee80211_free_keys(sdata, true);
75de9113 851
d6a83228 852 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 853 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 854 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 855 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 856
a6b368f6 857 if (sdata->wdev.cac_started) {
d2859df5 858 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 859 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 860 cfg80211_cac_event(sdata->dev, &chandef,
861 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 862 GFP_KERNEL);
863 }
864
1041638f
JB		 865 drv_stop_ap(sdata->local, sdata);
866
7b20b8e8
JB		 867 /* free all potentially still buffered bcast frames */
868 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
869 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
870
34a3740d 871 mutex_lock(&local->mtx);
4e141dad 872 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 873 ieee80211_vif_release_channel(sdata);
34a3740d 874 mutex_unlock(&local->mtx);
55de908a 875
2d0ddec5 876 return 0;
5dfdaf58
JB		 877}
878
4fd6931e
JB		 879/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
880struct iapp_layer2_update {
881 u8 da[ETH_ALEN]; /* broadcast */
882 u8 sa[ETH_ALEN]; /* STA addr */
883 __be16 len; /* 6 */
884 u8 dsap; /* 0 */
885 u8 ssap; /* 0 */
886 u8 control;
887 u8 xid_info[3];
bc10502d 888} __packed;
4fd6931e
JB		 889
890static void ieee80211_send_layer2_update(struct sta_info *sta)
891{
892 struct iapp_layer2_update *msg;
893 struct sk_buff *skb;
894
895 /* Send Level 2 Update Frame to update forwarding tables in layer 2
896 * bridge devices */
897
898 skb = dev_alloc_skb(sizeof(*msg));
899 if (!skb)
900 return;
901 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
902
903 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
904 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
905
e83e6541 906 eth_broadcast_addr(msg->da);
17741cdc 907 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 908 msg->len = htons(6);
909 msg->dsap = 0;
910 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
911 msg->control = 0xaf; /* XID response lsb.1111F101.
912 * F=0 (no poll command; unsolicited frame) */
913 msg->xid_info[0] = 0x81; /* XID format identifier */
914 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
915 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
916
d0709a65
JB		 917 skb->dev = sta->sdata->dev;
918 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 919 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 920 netif_rx_ni(skb);
4fd6931e
JB		 921}
922
d582cffb
JB		 923static int sta_apply_auth_flags(struct ieee80211_local *local,
924 struct sta_info *sta,
925 u32 mask, u32 set)
926{
927 int ret;
928
929 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
930 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
931 !test_sta_flag(sta, WLAN_STA_AUTH)) {
932 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
933 if (ret)
934 return ret;
935 }
936
937 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
938 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
939 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
940 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
941 if (ret)
942 return ret;
943 }
944
945 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
946 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
947 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
948 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
949 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
950 else
951 ret = 0;
952 if (ret)
953 return ret;
954 }
955
956 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
957 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
958 test_sta_flag(sta, WLAN_STA_ASSOC)) {
959 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
960 if (ret)
961 return ret;
962 }
963
964 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
965 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
966 test_sta_flag(sta, WLAN_STA_AUTH)) {
967 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
968 if (ret)
969 return ret;
970 }
971
972 return 0;
973}
974
d9a7ddb0
JB		 975static int sta_apply_parameters(struct ieee80211_local *local,
976 struct sta_info *sta,
977 struct station_parameters *params)
4fd6931e 978{
d9a7ddb0 979 int ret = 0;
8318d78a 980 struct ieee80211_supported_band *sband;
d0709a65 981 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 982 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 983 u32 mask, set;
4fd6931e 984
55de908a 985 sband = local->hw.wiphy->bands[band];
ae5eb026 986
eccb8e8f
JB		 987 mask = params->sta_flags_mask;
988 set = params->sta_flags_set;
73651ee6 989
d582cffb
JB		 990 if (ieee80211_vif_is_mesh(&sdata->vif)) {
991 /*
992 * In mesh mode, ASSOCIATED isn't part of the nl80211
993 * API but must follow AUTHENTICATED for driver state.
994 */
995 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
996 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
997 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
998 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 999 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1000 /*
1001 * TDLS -- everything follows authorized, but
1002 * only becoming authorized is possible, not
1003 * going back
1004 */
1005 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1006 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1007 BIT(NL80211_STA_FLAG_ASSOCIATED);
1008 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1009 BIT(NL80211_STA_FLAG_ASSOCIATED);
1010 }
eccb8e8f 1011 }
4fd6931e 1012
68885a54
AN		 1013 /* auth flags will be set later for TDLS stations */
1014 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1015 ret = sta_apply_auth_flags(local, sta, mask, set);
1016 if (ret)
1017 return ret;
1018 }
d9a7ddb0 1019
eccb8e8f 1020 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1021 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1022 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1023 else
1024 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1025 }
4fd6931e 1026
a74a8c84
JB		 1027 if (mask & BIT(NL80211_STA_FLAG_WME))
1028 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
5394af4d 1029
eccb8e8f 1030 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1031 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1032 set_sta_flag(sta, WLAN_STA_MFP);
1033 else
1034 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1035 }
b39c48fa 1036
07ba55d7 1037 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1038 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1039 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1040 else
1041 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1042 }
4fd6931e 1043
9041c1fa
AN		 1044 /* mark TDLS channel switch support, if the AP allows it */
1045 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1046 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1047 params->ext_capab_len >= 4 &&
1048 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1049 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1050
3b9ce80c
JB		 1051 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1052 sta->sta.uapsd_queues = params->uapsd_queues;
1053 sta->sta.max_sp = params->max_sp;
1054 }
9533b4ac 1055
51b50fbe
JB		 1056 /*
1057 * cfg80211 validates this (1-2007) and allows setting the AID
1058 * only when creating a new station entry
1059 */
1060 if (params->aid)
1061 sta->sta.aid = params->aid;
1062
73651ee6 1063 /*
ba23d206
JB		 1064 * Some of the following updates would be racy if called on an
1065 * existing station, via ieee80211_change_station(). However,
1066 * all such changes are rejected by cfg80211 except for updates
1067 * changing the supported rates on an existing but not yet used
1068 * TDLS peer.
73651ee6
JB		 1069 */
1070
4fd6931e
JB		 1071 if (params->listen_interval >= 0)
1072 sta->listen_interval = params->listen_interval;
1073
1074 if (params->supported_rates) {
2103dec1
SW		 1075 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1076 sband, params->supported_rates,
1077 params->supported_rates_len,
1078 &sta->sta.supp_rates[band]);
4fd6931e 1079 }
c5dd9c2b 1080
d9fe60de 1081 if (params->ht_capa)
ef96a842 1082 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1083 params->ht_capa, sta);
36aedc90 1084
f461be3e
MP		 1085 if (params->vht_capa)
1086 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1087 params->vht_capa, sta);
f461be3e 1088
b1bce14a 1089 if (params->opmode_notif_used) {
b1bce14a
MK		 1090 /* returned value is only needed for rc update, but the
1091 * rc isn't initialized here yet, so ignore it
1092 */
1093 __ieee80211_vht_handle_opmode(sdata, sta,
1094 params->opmode_notif,
1095 band, false);
1096 }
1097
9c3990aa 1098 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1099#ifdef CONFIG_MAC80211_MESH
39886b61 1100 u32 changed = 0;
77ee7c89
JB		 1101
1102 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1103 switch (params->plink_state) {
57cf8043 1104 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1105 if (sta->plink_state != NL80211_PLINK_ESTAB)
1106 changed = mesh_plink_inc_estab_count(
1107 sdata);
1108 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1109
1110 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1111 changed |= ieee80211_mps_set_sta_local_pm(sta,
1112 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1113 break;
1114 case NL80211_PLINK_LISTEN:
57cf8043 1115 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1116 case NL80211_PLINK_OPN_SNT:
1117 case NL80211_PLINK_OPN_RCVD:
1118 case NL80211_PLINK_CNF_RCVD:
1119 case NL80211_PLINK_HOLDING:
1120 if (sta->plink_state == NL80211_PLINK_ESTAB)
1121 changed = mesh_plink_dec_estab_count(
1122 sdata);
9c3990aa 1123 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1124
1125 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1126 changed |= ieee80211_mps_set_sta_local_pm(sta,
1127 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1128 break;
1129 default:
1130 /* nothing */
1131 break;
1132 }
77ee7c89
JB		 1133 }
1134
1135 switch (params->plink_action) {
1136 case NL80211_PLINK_ACTION_NO_ACTION:
1137 /* nothing */
1138 break;
1139 case NL80211_PLINK_ACTION_OPEN:
1140 changed |= mesh_plink_open(sta);
1141 break;
1142 case NL80211_PLINK_ACTION_BLOCK:
1143 changed |= mesh_plink_block(sta);
1144 break;
1617bab8 1145 }
3f52b7e3
MP		 1146
1147 if (params->local_pm)
39886b61
TP		 1148 changed |=
1149 ieee80211_mps_set_sta_local_pm(sta,
1150 params->local_pm);
6c751ef8 1151 ieee80211_mbss_info_change_notify(sdata, changed);
4daf50f2 1152#endif
902acc78 1153 }
d9a7ddb0 1154
68885a54
AN		 1155 /* set the STA state after all sta info from usermode has been set */
1156 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1157 ret = sta_apply_auth_flags(local, sta, mask, set);
1158 if (ret)
1159 return ret;
1160 }
1161
d9a7ddb0 1162 return 0;
4fd6931e
JB		 1163}
1164
1165static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1166 const u8 *mac,
1167 struct station_parameters *params)
4fd6931e 1168{
14db74bc 1169 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1170 struct sta_info *sta;
1171 struct ieee80211_sub_if_data *sdata;
73651ee6 1172 int err;
b8d476c8 1173 int layer2_update;
4fd6931e 1174
4fd6931e
JB		 1175 if (params->vlan) {
1176 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1177
05c914fe
JB		 1178 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1179 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1180 return -EINVAL;
1181 } else
1182 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1183
b203ca39 1184 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1185 return -EINVAL;
1186
1187 if (is_multicast_ether_addr(mac))
1188 return -EINVAL;
1189
1190 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1191 if (!sta)
1192 return -ENOMEM;
4fd6931e 1193
d582cffb
JB		 1194 /*
1195 * defaults -- if userspace wants something else we'll
1196 * change it accordingly in sta_apply_parameters()
1197 */
77ee7c89
JB		 1198 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1199 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1200 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
0c4972cc
AN		 1201 } else {
1202 sta->sta.tdls = true;
77ee7c89 1203 }
4fd6931e 1204
d9a7ddb0
JB		 1205 err = sta_apply_parameters(local, sta, params);
1206 if (err) {
1207 sta_info_free(local, sta);
1208 return err;
1209 }
4fd6931e 1210
d64cf63e 1211 /*
77ee7c89
JB		 1212 * for TDLS, rate control should be initialized only when
1213 * rates are known and station is marked authorized
d64cf63e
AN		 1214 */
1215 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1216 rate_control_rate_init(sta);
4fd6931e 1217
b8d476c8
JM		 1218 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1219 sdata->vif.type == NL80211_IFTYPE_AP;
1220
34e89507 1221 err = sta_info_insert_rcu(sta);
73651ee6 1222 if (err) {
73651ee6
JB		 1223 rcu_read_unlock();
1224 return err;
1225 }
1226
b8d476c8 1227 if (layer2_update)
73651ee6
JB		 1228 ieee80211_send_layer2_update(sta);
1229
1230 rcu_read_unlock();
1231
4fd6931e
JB		 1232 return 0;
1233}
1234
1235static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1236 struct station_del_parameters *params)
4fd6931e 1237{
14db74bc 1238 struct ieee80211_sub_if_data *sdata;
4fd6931e 1239
14db74bc
JB		 1240 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1241
89c771e5
JM		 1242 if (params->mac)
1243 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1244
b998e8bb 1245 sta_info_flush(sdata);
4fd6931e
JB		 1246 return 0;
1247}
1248
1249static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1250 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1251 struct station_parameters *params)
1252{
abe60632 1253 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1254 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1255 struct sta_info *sta;
1256 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1257 enum cfg80211_station_type statype;
35b88623 1258 int err;
4fd6931e 1259
87be1e1e 1260 mutex_lock(&local->sta_mtx);
98dd6a57 1261
0e5ded5a 1262 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1263 if (!sta) {
77ee7c89
JB		 1264 err = -ENOENT;
1265 goto out_err;
98dd6a57 1266 }
4fd6931e 1267
77ee7c89
JB		 1268 switch (sdata->vif.type) {
1269 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1270 if (sdata->u.mesh.user_mpm)
eef941e6 1271 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1272 else
eef941e6 1273 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1274 break;
1275 case NL80211_IFTYPE_ADHOC:
1276 statype = CFG80211_STA_IBSS;
1277 break;
1278 case NL80211_IFTYPE_STATION:
1279 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1280 statype = CFG80211_STA_AP_STA;
1281 break;
1282 }
1283 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1284 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1285 else
1286 statype = CFG80211_STA_TDLS_PEER_SETUP;
1287 break;
1288 case NL80211_IFTYPE_AP:
1289 case NL80211_IFTYPE_AP_VLAN:
1290 statype = CFG80211_STA_AP_CLIENT;
1291 break;
1292 default:
1293 err = -EOPNOTSUPP;
1294 goto out_err;
bdd90d5e
JB		 1295 }
1296
77ee7c89
JB		 1297 err = cfg80211_check_station_change(wiphy, params, statype);
1298 if (err)
1299 goto out_err;
1300
d0709a65 1301 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1302 bool prev_4addr = false;
1303 bool new_4addr = false;
1304
4fd6931e
JB		 1305 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1306
9bc383de 1307 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1308 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1309 err = -EBUSY;
1310 goto out_err;
3305443c 1311 }
f14543ee 1312
cf778b00 1313 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1314 new_4addr = true;
1315 }
1316
1317 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1318 sta->sdata->u.vlan.sta) {
0c2bef46 1319 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
7e3ed02c 1320 prev_4addr = true;
f14543ee
FF		 1321 }
1322
14db74bc 1323 sta->sdata = vlansdata;
7e3ed02c
FF		 1324
1325 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1326 prev_4addr != new_4addr) {
1327 if (new_4addr)
1328 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1329 else
1330 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1331 }
1332
4fd6931e
JB		 1333 ieee80211_send_layer2_update(sta);
1334 }
1335
35b88623 1336 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1337 if (err)
1338 goto out_err;
4fd6931e 1339
77ee7c89
JB		 1340 /* When peer becomes authorized, init rate control as well */
1341 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1342 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1343 rate_control_rate_init(sta);
1344
87be1e1e 1345 mutex_unlock(&local->sta_mtx);
98dd6a57 1346
687da132
EG		 1347 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1348 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1349 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1350 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1351 sta_info_tx_streams(sta) != 1) {
1352 ht_dbg(sta->sdata,
1353 "%pM just authorized and MIMO capable - update SMPS\n",
1354 sta->sta.addr);
1355 ieee80211_send_smps_action(sta->sdata,
1356 sta->sdata->bss->req_smps,
1357 sta->sta.addr,
1358 sta->sdata->vif.bss_conf.bssid);
1359 }
1360
808118cb 1361 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1362 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1363 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1364 ieee80211_recalc_ps_vif(sdata);
1365 }
77ee7c89 1366
4fd6931e 1367 return 0;
77ee7c89
JB		 1368out_err:
1369 mutex_unlock(&local->sta_mtx);
1370 return err;
4fd6931e
JB		 1371}
1372
c5dd9c2b
LCC		 1373#ifdef CONFIG_MAC80211_MESH
1374static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1375 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1376{
14db74bc 1377 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1378 struct mesh_path *mpath;
1379 struct sta_info *sta;
c5dd9c2b 1380
14db74bc
JB		 1381 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1382
d0709a65 1383 rcu_read_lock();
abe60632 1384 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1385 if (!sta) {
1386 rcu_read_unlock();
c5dd9c2b 1387 return -ENOENT;
d0709a65 1388 }
c5dd9c2b 1389
ae76eef0
BC		 1390 mpath = mesh_path_add(sdata, dst);
1391 if (IS_ERR(mpath)) {
d0709a65 1392 rcu_read_unlock();
ae76eef0 1393 return PTR_ERR(mpath);
d0709a65 1394 }
c5dd9c2b 1395
c5dd9c2b 1396 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1397
c5dd9c2b
LCC		 1398 rcu_read_unlock();
1399 return 0;
1400}
1401
1402static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1403 const u8 *dst)
c5dd9c2b 1404{
f698d856
JBG		 1405 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1406
c5dd9c2b 1407 if (dst)
bf7cd94d 1408 return mesh_path_del(sdata, dst);
c5dd9c2b 1409
ece1a2e7 1410 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1411 return 0;
1412}
1413
3b3a0162
JB		 1414static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1415 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1416{
14db74bc 1417 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1418 struct mesh_path *mpath;
1419 struct sta_info *sta;
1420
14db74bc
JB		 1421 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1422
d0709a65
JB		 1423 rcu_read_lock();
1424
abe60632 1425 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1426 if (!sta) {
1427 rcu_read_unlock();
c5dd9c2b 1428 return -ENOENT;
d0709a65 1429 }
c5dd9c2b 1430
bf7cd94d 1431 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1432 if (!mpath) {
1433 rcu_read_unlock();
c5dd9c2b
LCC		 1434 return -ENOENT;
1435 }
1436
1437 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1438
c5dd9c2b
LCC		 1439 rcu_read_unlock();
1440 return 0;
1441}
1442
1443static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1444 struct mpath_info *pinfo)
1445{
a3836e02
JB		 1446 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1447
1448 if (next_hop_sta)
1449 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1450 else
1451 memset(next_hop, 0, ETH_ALEN);
1452
7ce8c7a3
LAYS		 1453 memset(pinfo, 0, sizeof(*pinfo));
1454
f5ea9120
JB		 1455 pinfo->generation = mesh_paths_generation;
1456
c5dd9c2b 1457 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1458 MPATH_INFO_SN |
c5dd9c2b
LCC		 1459 MPATH_INFO_METRIC |
1460 MPATH_INFO_EXPTIME |
1461 MPATH_INFO_DISCOVERY_TIMEOUT |
1462 MPATH_INFO_DISCOVERY_RETRIES |
1463 MPATH_INFO_FLAGS;
1464
1465 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1466 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1467 pinfo->metric = mpath->metric;
1468 if (time_before(jiffies, mpath->exp_time))
1469 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1470 pinfo->discovery_timeout =
1471 jiffies_to_msecs(mpath->discovery_timeout);
1472 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1473 if (mpath->flags & MESH_PATH_ACTIVE)
1474 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1475 if (mpath->flags & MESH_PATH_RESOLVING)
1476 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1477 if (mpath->flags & MESH_PATH_SN_VALID)
1478 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1479 if (mpath->flags & MESH_PATH_FIXED)
1480 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1481 if (mpath->flags & MESH_PATH_RESOLVED)
1482 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1483}
1484
1485static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1486 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1487
1488{
14db74bc 1489 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1490 struct mesh_path *mpath;
1491
14db74bc
JB		 1492 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1493
c5dd9c2b 1494 rcu_read_lock();
bf7cd94d 1495 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1496 if (!mpath) {
1497 rcu_read_unlock();
1498 return -ENOENT;
1499 }
1500 memcpy(dst, mpath->dst, ETH_ALEN);
1501 mpath_set_pinfo(mpath, next_hop, pinfo);
1502 rcu_read_unlock();
1503 return 0;
1504}
1505
1506static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1507 int idx, u8 *dst, u8 *next_hop,
1508 struct mpath_info *pinfo)
c5dd9c2b 1509{
14db74bc 1510 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1511 struct mesh_path *mpath;
1512
14db74bc
JB		 1513 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1514
c5dd9c2b 1515 rcu_read_lock();
bf7cd94d 1516 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1517 if (!mpath) {
1518 rcu_read_unlock();
1519 return -ENOENT;
1520 }
1521 memcpy(dst, mpath->dst, ETH_ALEN);
1522 mpath_set_pinfo(mpath, next_hop, pinfo);
1523 rcu_read_unlock();
1524 return 0;
1525}
93da9cc1 1526
a2db2ed3
HR		 1527static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1528 struct mpath_info *pinfo)
1529{
1530 memset(pinfo, 0, sizeof(*pinfo));
1531 memcpy(mpp, mpath->mpp, ETH_ALEN);
1532
1533 pinfo->generation = mpp_paths_generation;
1534}
1535
1536static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1537 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1538
1539{
1540 struct ieee80211_sub_if_data *sdata;
1541 struct mesh_path *mpath;
1542
1543 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1544
1545 rcu_read_lock();
1546 mpath = mpp_path_lookup(sdata, dst);
1547 if (!mpath) {
1548 rcu_read_unlock();
1549 return -ENOENT;
1550 }
1551 memcpy(dst, mpath->dst, ETH_ALEN);
1552 mpp_set_pinfo(mpath, mpp, pinfo);
1553 rcu_read_unlock();
1554 return 0;
1555}
1556
1557static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1558 int idx, u8 *dst, u8 *mpp,
1559 struct mpath_info *pinfo)
1560{
1561 struct ieee80211_sub_if_data *sdata;
1562 struct mesh_path *mpath;
1563
1564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1565
1566 rcu_read_lock();
1567 mpath = mpp_path_lookup_by_idx(sdata, idx);
1568 if (!mpath) {
1569 rcu_read_unlock();
1570 return -ENOENT;
1571 }
1572 memcpy(dst, mpath->dst, ETH_ALEN);
1573 mpp_set_pinfo(mpath, mpp, pinfo);
1574 rcu_read_unlock();
1575 return 0;
1576}
1577
24bdd9f4 1578static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1579 struct net_device *dev,
1580 struct mesh_config *conf)
1581{
1582 struct ieee80211_sub_if_data *sdata;
1583 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1584
93da9cc1 1585 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1586 return 0;
1587}
1588
1589static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1590{
1591 return (mask >> (parm-1)) & 0x1;
1592}
1593
c80d545d
JC		 1594static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1595 const struct mesh_setup *setup)
1596{
1597 u8 *new_ie;
1598 const u8 *old_ie;
4bb62344
CYY		 1599 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1600 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1601
581a8b0f 1602 /* allocate information elements */
c80d545d 1603 new_ie = NULL;
581a8b0f 1604 old_ie = ifmsh->ie;
c80d545d 1605
581a8b0f
JC		 1606 if (setup->ie_len) {
1607 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1608 GFP_KERNEL);
1609 if (!new_ie)
1610 return -ENOMEM;
1611 }
581a8b0f
JC		 1612 ifmsh->ie_len = setup->ie_len;
1613 ifmsh->ie = new_ie;
1614 kfree(old_ie);
c80d545d
JC		 1615
1616 /* now copy the rest of the setup parameters */
1617 ifmsh->mesh_id_len = setup->mesh_id_len;
1618 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1619 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1620 ifmsh->mesh_pp_id = setup->path_sel_proto;
1621 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1622 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1623 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1624 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1625 if (setup->is_authenticated)
1626 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1627 if (setup->is_secure)
1628 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1629
4bb62344
CYY		 1630 /* mcast rate setting in Mesh Node */
1631 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1632 sizeof(setup->mcast_rate));
ffb3cf30 1633 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1634
9bdbf04d
MP		 1635 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1636 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1637
c80d545d
JC		 1638 return 0;
1639}
1640
24bdd9f4 1641static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1642 struct net_device *dev, u32 mask,
1643 const struct mesh_config *nconf)
93da9cc1 1644{
1645 struct mesh_config *conf;
1646 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1647 struct ieee80211_if_mesh *ifmsh;
1648
93da9cc1 1649 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1650 ifmsh = &sdata->u.mesh;
93da9cc1 1651
93da9cc1 1652 /* Set the config options which we are interested in setting */
1653 conf = &(sdata->u.mesh.mshcfg);
1654 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1655 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1656 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1657 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1658 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1659 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1660 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1661 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1662 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1663 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1664 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1665 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1666 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1667 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1668 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1669 if (ifmsh->user_mpm)
1670 return -EBUSY;
93da9cc1 1671 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1672 }
d299a1f2
JC		 1673 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1674 conf->dot11MeshNbrOffsetMaxNeighbor =
1675 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1676 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1677 conf->dot11MeshHWMPmaxPREQretries =
1678 nconf->dot11MeshHWMPmaxPREQretries;
1679 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1680 conf->path_refresh_time = nconf->path_refresh_time;
1681 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1682 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1683 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1684 conf->dot11MeshHWMPactivePathTimeout =
1685 nconf->dot11MeshHWMPactivePathTimeout;
1686 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1687 conf->dot11MeshHWMPpreqMinInterval =
1688 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1689 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1690 conf->dot11MeshHWMPperrMinInterval =
1691 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1692 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1693 mask))
1694 conf->dot11MeshHWMPnetDiameterTraversalTime =
1695 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1696 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1697 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1698 ieee80211_mesh_root_setup(ifmsh);
1699 }
16dd7267 1700 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1701 /* our current gate announcement implementation rides on root
1702 * announcements, so require this ifmsh to also be a root node
1703 * */
1704 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1705 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1706 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1707 ieee80211_mesh_root_setup(ifmsh);
1708 }
16dd7267
JC		 1709 conf->dot11MeshGateAnnouncementProtocol =
1710 nconf->dot11MeshGateAnnouncementProtocol;
1711 }
a4f606ea 1712 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1713 conf->dot11MeshHWMPRannInterval =
1714 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1715 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1716 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1717 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1718 /* our RSSI threshold implementation is supported only for
1719 * devices that report signal in dBm.
1720 */
1721 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1722 return -ENOTSUPP;
1723 conf->rssi_threshold = nconf->rssi_threshold;
1724 }
70c33eaa
AN		 1725 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1726 conf->ht_opmode = nconf->ht_opmode;
1727 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1728 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1729 }
ac1073a6
CYY		 1730 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1731 conf->dot11MeshHWMPactivePathToRootTimeout =
1732 nconf->dot11MeshHWMPactivePathToRootTimeout;
1733 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1734 conf->dot11MeshHWMProotInterval =
1735 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1736 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1737 conf->dot11MeshHWMPconfirmationInterval =
1738 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1739 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1740 conf->power_mode = nconf->power_mode;
1741 ieee80211_mps_local_status_update(sdata);
1742 }
2b5e1967 1743 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1744 conf->dot11MeshAwakeWindowDuration =
1745 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1746 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1747 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1748 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1749 return 0;
1750}
1751
29cbe68c
JB		 1752static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1753 const struct mesh_config *conf,
1754 const struct mesh_setup *setup)
1755{
1756 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1757 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1758 int err;
29cbe68c 1759
c80d545d
JC		 1760 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1761 err = copy_mesh_setup(ifmsh, setup);
1762 if (err)
1763 return err;
cc1d2806 1764
04ecd257
JB		 1765 /* can mesh use other SMPS modes? */
1766 sdata->smps_mode = IEEE80211_SMPS_OFF;
1767 sdata->needed_rx_chains = sdata->local->rx_chains;
1768
34a3740d 1769 mutex_lock(&sdata->local->mtx);
4bf88530 1770 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1771 IEEE80211_CHANCTX_SHARED);
34a3740d 1772 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1773 if (err)
1774 return err;
1775
2b5e1967 1776 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1777}
1778
1779static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1780{
1781 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1782
1783 ieee80211_stop_mesh(sdata);
34a3740d 1784 mutex_lock(&sdata->local->mtx);
55de908a 1785 ieee80211_vif_release_channel(sdata);
34a3740d 1786 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 1787
1788 return 0;
1789}
c5dd9c2b
LCC		 1790#endif
1791
9f1ba906
JM		 1792static int ieee80211_change_bss(struct wiphy *wiphy,
1793 struct net_device *dev,
1794 struct bss_parameters *params)
1795{
55de908a
JB		 1796 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1797 enum ieee80211_band band;
9f1ba906
JM		 1798 u32 changed = 0;
1799
7ca133bc 1800 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1801 return -ENOENT;
1802
1803 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1804
9f1ba906 1805 if (params->use_cts_prot >= 0) {
bda3933a 1806 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1807 changed |= BSS_CHANGED_ERP_CTS_PROT;
1808 }
1809 if (params->use_short_preamble >= 0) {
bda3933a 1810 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1811 params->use_short_preamble;
1812 changed |= BSS_CHANGED_ERP_PREAMBLE;
1813 }
43d35343
FF		 1814
1815 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1816 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1817 sdata->vif.bss_conf.use_short_slot = true;
1818 changed |= BSS_CHANGED_ERP_SLOT;
1819 }
1820
9f1ba906 1821 if (params->use_short_slot_time >= 0) {
bda3933a 1822 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1823 params->use_short_slot_time;
1824 changed |= BSS_CHANGED_ERP_SLOT;
1825 }
1826
90c97a04 1827 if (params->basic_rates) {
2103dec1
SW		 1828 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1829 wiphy->bands[band],
1830 params->basic_rates,
1831 params->basic_rates_len,
1832 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1833 changed |= BSS_CHANGED_BASIC_RATES;
1834 }
1835
7b7b5e56
FF		 1836 if (params->ap_isolate >= 0) {
1837 if (params->ap_isolate)
1838 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1839 else
1840 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1841 }
1842
80d7e403
HS		 1843 if (params->ht_opmode >= 0) {
1844 sdata->vif.bss_conf.ht_operation_mode =
1845 (u16) params->ht_opmode;
1846 changed |= BSS_CHANGED_HT;
1847 }
1848
339afbf4 1849 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1850 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1851 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1852 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1853 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1854 changed |= BSS_CHANGED_P2P_PS;
1855 }
1856
67baf663
JD		 1857 if (params->p2p_opp_ps > 0) {
1858 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1859 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1860 changed |= BSS_CHANGED_P2P_PS;
1861 } else if (params->p2p_opp_ps == 0) {
1862 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1863 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1864 changed |= BSS_CHANGED_P2P_PS;
1865 }
1866
9f1ba906
JM		 1867 ieee80211_bss_info_change_notify(sdata, changed);
1868
1869 return 0;
1870}
1871
31888487 1872static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1873 struct net_device *dev,
31888487
JM		 1874 struct ieee80211_txq_params *params)
1875{
1876 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1877 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1878 struct ieee80211_tx_queue_params p;
1879
1880 if (!local->ops->conf_tx)
1881 return -EOPNOTSUPP;
1882
54bcbc69
JB		 1883 if (local->hw.queues < IEEE80211_NUM_ACS)
1884 return -EOPNOTSUPP;
1885
31888487
JM		 1886 memset(&p, 0, sizeof(p));
1887 p.aifs = params->aifs;
1888 p.cw_max = params->cwmax;
1889 p.cw_min = params->cwmin;
1890 p.txop = params->txop;
ab13315a
KV		 1891
1892 /*
1893 * Setting tx queue params disables u-apsd because it's only
1894 * called in master mode.
1895 */
1896 p.uapsd = false;
1897
a3304b0a
JB		 1898 sdata->tx_conf[params->ac] = p;
1899 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1900 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1901 "failed to set TX queue parameters for AC %d\n",
1902 params->ac);
31888487
JM		 1903 return -EINVAL;
1904 }
1905
7d25745d
JB		 1906 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1907
31888487
JM		 1908 return 0;
1909}
1910
665af4fc 1911#ifdef CONFIG_PM
ff1b6e69
JB		 1912static int ieee80211_suspend(struct wiphy *wiphy,
1913 struct cfg80211_wowlan *wowlan)
665af4fc 1914{
eecc4800 1915 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1916}
1917
1918static int ieee80211_resume(struct wiphy *wiphy)
1919{
1920 return __ieee80211_resume(wiphy_priv(wiphy));
1921}
1922#else
1923#define ieee80211_suspend NULL
1924#define ieee80211_resume NULL
1925#endif
1926
2a519311 1927static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1928 struct cfg80211_scan_request *req)
1929{
fd014284
JB		 1930 struct ieee80211_sub_if_data *sdata;
1931
1932 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1933
2ca27bcf
JB		 1934 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1935 case NL80211_IFTYPE_STATION:
1936 case NL80211_IFTYPE_ADHOC:
1937 case NL80211_IFTYPE_MESH_POINT:
1938 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1939 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1940 break;
1941 case NL80211_IFTYPE_P2P_GO:
1942 if (sdata->local->ops->hw_scan)
1943 break;
e9d7732e
JB		 1944 /*
1945 * FIXME: implement NoA while scanning in software,
1946 * for now fall through to allow scanning only when
1947 * beaconing hasn't been configured yet
1948 */
2ca27bcf 1949 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1950 /*
1951 * If the scan has been forced (and the driver supports
1952 * forcing), don't care about being beaconing already.
1953 * This will create problems to the attached stations (e.g. all
1954 * the frames sent while scanning on other channel will be
1955 * lost)
1956 */
1957 if (sdata->u.ap.beacon &&
1958 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1959 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 1960 return -EOPNOTSUPP;
1961 break;
1962 default:
1963 return -EOPNOTSUPP;
1964 }
2a519311
JB		 1965
1966 return ieee80211_request_scan(sdata, req);
1967}
1968
79f460ca
LC		 1969static int
1970ieee80211_sched_scan_start(struct wiphy *wiphy,
1971 struct net_device *dev,
1972 struct cfg80211_sched_scan_request *req)
1973{
1974 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1975
1976 if (!sdata->local->ops->sched_scan_start)
1977 return -EOPNOTSUPP;
1978
1979 return ieee80211_request_sched_scan_start(sdata, req);
1980}
1981
1982static int
85a9994a 1983ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1984{
1985 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1986
1987 if (!sdata->local->ops->sched_scan_stop)
1988 return -EOPNOTSUPP;
1989
85a9994a 1990 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1991}
1992
636a5d36
JM		 1993static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1994 struct cfg80211_auth_request *req)
1995{
77fdaa12 1996 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1997}
1998
1999static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2000 struct cfg80211_assoc_request *req)
2001{
77fdaa12 2002 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2003}
2004
2005static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2006 struct cfg80211_deauth_request *req)
636a5d36 2007{
63c9c5e7 2008 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2009}
2010
2011static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2012 struct cfg80211_disassoc_request *req)
636a5d36 2013{
63c9c5e7 2014 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2015}
2016
af8cdcd8
JB		 2017static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2018 struct cfg80211_ibss_params *params)
2019{
55de908a 2020 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2021}
2022
2023static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2024{
55de908a 2025 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2026}
2027
239281f8
RL		 2028static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2029 struct ocb_setup *setup)
2030{
2031 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2032}
2033
2034static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2035{
2036 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2037}
2038
391e53e3
AQ		 2039static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2040 int rate[IEEE80211_NUM_BANDS])
2041{
2042 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2043
9887dbf5
CD		 2044 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2045 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2046
2047 return 0;
2048}
2049
b9a5f8ca
JM		 2050static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2051{
2052 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2053 int err;
b9a5f8ca 2054
f23a4780
AN		 2055 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2056 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2057
2058 if (err)
2059 return err;
2060 }
2061
a4bcaf55
LB		 2062 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2063 (changed & WIPHY_PARAM_DYN_ACK)) {
2064 s16 coverage_class;
2065
2066 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2067 wiphy->coverage_class : -1;
2068 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2069
2070 if (err)
2071 return err;
2072 }
2073
b9a5f8ca 2074 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2075 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2076
24487981
JB		 2077 if (err)
2078 return err;
b9a5f8ca
JM		 2079 }
2080
8bc83c24
JB		 2081 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2082 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2083 return -EINVAL;
b9a5f8ca 2084 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2085 }
2086 if (changed & WIPHY_PARAM_RETRY_LONG) {
2087 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2088 return -EINVAL;
b9a5f8ca 2089 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2090 }
b9a5f8ca
JM		 2091 if (changed &
2092 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2093 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2094
2095 return 0;
2096}
2097
7643a2c3 2098static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2099 struct wireless_dev *wdev,
fa61cf70 2100 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2101{
2102 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2103 struct ieee80211_sub_if_data *sdata;
7643a2c3 2104
1ea6f9c0
JB		 2105 if (wdev) {
2106 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2107
2108 switch (type) {
2109 case NL80211_TX_POWER_AUTOMATIC:
2110 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2111 break;
2112 case NL80211_TX_POWER_LIMITED:
2113 case NL80211_TX_POWER_FIXED:
2114 if (mbm < 0 || (mbm % 100))
2115 return -EOPNOTSUPP;
2116 sdata->user_power_level = MBM_TO_DBM(mbm);
2117 break;
2118 }
2119
2120 ieee80211_recalc_txpower(sdata);
2121
2122 return 0;
2123 }
55de908a 2124
7643a2c3 2125 switch (type) {
fa61cf70 2126 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2127 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2128 break;
fa61cf70 2129 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2130 case NL80211_TX_POWER_FIXED:
2131 if (mbm < 0 || (mbm % 100))
2132 return -EOPNOTSUPP;
fa61cf70 2133 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2134 break;
7643a2c3
JB		 2135 }
2136
1ea6f9c0
JB		 2137 mutex_lock(&local->iflist_mtx);
2138 list_for_each_entry(sdata, &local->interfaces, list)
2139 sdata->user_power_level = local->user_power_level;
2140 list_for_each_entry(sdata, &local->interfaces, list)
2141 ieee80211_recalc_txpower(sdata);
2142 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2143
2144 return 0;
2145}
2146
c8442118
JB		 2147static int ieee80211_get_tx_power(struct wiphy *wiphy,
2148 struct wireless_dev *wdev,
2149 int *dbm)
7643a2c3
JB		 2150{
2151 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2152 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2153
5b3dc42b
FF		 2154 if (local->ops->get_txpower)
2155 return drv_get_txpower(local, sdata, dbm);
2156
1ea6f9c0
JB		 2157 if (!local->use_chanctx)
2158 *dbm = local->hw.conf.power_level;
2159 else
2160 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2161
7643a2c3
JB		 2162 return 0;
2163}
2164
ab737a4f 2165static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2166 const u8 *addr)
ab737a4f
JB		 2167{
2168 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2169
2170 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2171
2172 return 0;
2173}
2174
1f87f7d3
JB		 2175static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2176{
2177 struct ieee80211_local *local = wiphy_priv(wiphy);
2178
2179 drv_rfkill_poll(local);
2180}
2181
aff89a9b 2182#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2183static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2184 struct wireless_dev *wdev,
2185 void *data, int len)
aff89a9b
JB		 2186{
2187 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2188 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2189
2190 if (!local->ops->testmode_cmd)
2191 return -EOPNOTSUPP;
2192
52981cd7
DS		 2193 if (wdev) {
2194 struct ieee80211_sub_if_data *sdata;
2195
2196 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2197 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2198 vif = &sdata->vif;
2199 }
2200
2201 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2202}
71063f0e
WYG		 2203
2204static int ieee80211_testmode_dump(struct wiphy *wiphy,
2205 struct sk_buff *skb,
2206 struct netlink_callback *cb,
2207 void *data, int len)
2208{
2209 struct ieee80211_local *local = wiphy_priv(wiphy);
2210
2211 if (!local->ops->testmode_dump)
2212 return -EOPNOTSUPP;
2213
2214 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2215}
aff89a9b
JB		 2216#endif
2217
687da132
EG		 2218int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2219 enum ieee80211_smps_mode smps_mode)
2220{
2221 struct sta_info *sta;
2222 enum ieee80211_smps_mode old_req;
2223 int i;
2224
2225 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2226 return -EINVAL;
2227
2228 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2229 return 0;
2230
2231 old_req = sdata->u.ap.req_smps;
2232 sdata->u.ap.req_smps = smps_mode;
2233
2234 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2235 if (old_req == smps_mode ||
2236 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2237 return 0;
2238
2239 /* If no associated stations, there's no need to do anything */
2240 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2241 sdata->smps_mode = smps_mode;
2242 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2243 return 0;
2244 }
2245
2246 ht_dbg(sdata,
2247 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2248 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2249
2250 mutex_lock(&sdata->local->sta_mtx);
2251 for (i = 0; i < STA_HASH_SIZE; i++) {
2252 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2253 lockdep_is_held(&sdata->local->sta_mtx));
2254 sta;
2255 sta = rcu_dereference_protected(sta->hnext,
2256 lockdep_is_held(&sdata->local->sta_mtx))) {
2257 /*
2258 * Only stations associated to our AP and
2259 * associated VLANs
2260 */
2261 if (sta->sdata->bss != &sdata->u.ap)
2262 continue;
2263
2264 /* This station doesn't support MIMO - skip it */
2265 if (sta_info_tx_streams(sta) == 1)
2266 continue;
2267
2268 /*
2269 * Don't wake up a STA just to send the action frame
2270 * unless we are getting more restrictive.
2271 */
2272 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2273 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2274 smps_mode)) {
2275 ht_dbg(sdata,
2276 "Won't send SMPS to sleeping STA %pM\n",
2277 sta->sta.addr);
2278 continue;
2279 }
2280
2281 /*
2282 * If the STA is not authorized, wait until it gets
2283 * authorized and the action frame will be sent then.
2284 */
2285 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2286 continue;
2287
2288 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2289 ieee80211_send_smps_action(sdata, smps_mode,
2290 sta->sta.addr,
2291 sdata->vif.bss_conf.bssid);
2292 }
2293 }
2294 mutex_unlock(&sdata->local->sta_mtx);
2295
2296 sdata->smps_mode = smps_mode;
2297 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2298
2299 return 0;
2300}
2301
2302int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2303 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2304{
2305 const u8 *ap;
2306 enum ieee80211_smps_mode old_req;
2307 int err;
2308
8d61ffa5 2309 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2310
687da132
EG		 2311 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2312 return -EINVAL;
2313
0f78231b
JB		 2314 old_req = sdata->u.mgd.req_smps;
2315 sdata->u.mgd.req_smps = smps_mode;
2316
2317 if (old_req == smps_mode &&
2318 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2319 return 0;
2320
2321 /*
2322 * If not associated, or current association is not an HT
04ecd257
JB		 2323 * association, there's no need to do anything, just store
2324 * the new value until we associate.
0f78231b
JB		 2325 */
2326 if (!sdata->u.mgd.associated ||
4bf88530 2327 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2328 return 0;
0f78231b 2329
0c1ad2ca 2330 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2331
2332 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2333 if (sdata->u.mgd.powersave)
2334 smps_mode = IEEE80211_SMPS_DYNAMIC;
2335 else
2336 smps_mode = IEEE80211_SMPS_OFF;
2337 }
2338
2339 /* send SM PS frame to AP */
2340 err = ieee80211_send_smps_action(sdata, smps_mode,
2341 ap, ap);
2342 if (err)
2343 sdata->u.mgd.req_smps = old_req;
2344
2345 return err;
2346}
2347
bc92afd9
JB		 2348static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2349 bool enabled, int timeout)
2350{
2351 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2352 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2353
2d3db210 2354 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2355 return -EOPNOTSUPP;
2356
bc92afd9
JB		 2357 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2358 return -EOPNOTSUPP;
2359
2360 if (enabled == sdata->u.mgd.powersave &&
ff616381 2361 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2362 return 0;
2363
2364 sdata->u.mgd.powersave = enabled;
ff616381 2365 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2366
0f78231b 2367 /* no change, but if automatic follow powersave */
ed405be5 2368 sdata_lock(sdata);
687da132 2369 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2370 sdata_unlock(sdata);
0f78231b 2371
bc92afd9
JB		 2372 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2373 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2374
2375 ieee80211_recalc_ps(local, -1);
ab095877 2376 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2377
2378 return 0;
2379}
2380
a97c13c3
JO		 2381static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2382 struct net_device *dev,
2383 s32 rssi_thold, u32 rssi_hyst)
2384{
2385 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2386 struct ieee80211_vif *vif = &sdata->vif;
2387 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2388
a97c13c3
JO		 2389 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2390 rssi_hyst == bss_conf->cqm_rssi_hyst)
2391 return 0;
2392
2393 bss_conf->cqm_rssi_thold = rssi_thold;
2394 bss_conf->cqm_rssi_hyst = rssi_hyst;
2395
2396 /* tell the driver upon association, unless already associated */
ea086359
JB		 2397 if (sdata->u.mgd.associated &&
2398 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2399 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2400
2401 return 0;
2402}
2403
9930380f
JB		 2404static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2405 struct net_device *dev,
2406 const u8 *addr,
2407 const struct cfg80211_bitrate_mask *mask)
2408{
2409 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2410 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2411 int i, ret;
2c7e6bc9 2412
554a43d5
EP		 2413 if (!ieee80211_sdata_running(sdata))
2414 return -ENETDOWN;
2415
bdbfd6b5
SM		 2416 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2417 ret = drv_set_bitrate_mask(local, sdata, mask);
2418 if (ret)
2419 return ret;
2420 }
9930380f 2421
19468413 2422 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2423 struct ieee80211_supported_band *sband = wiphy->bands[i];
2424 int j;
2425
37eb0b16 2426 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2427 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2428 sizeof(mask->control[i].ht_mcs));
2ffbe6d3
FF		 2429
2430 sdata->rc_has_mcs_mask[i] = false;
2431 if (!sband)
2432 continue;
2433
2434 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2435 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2436 sdata->rc_has_mcs_mask[i] = true;
2437 break;
2438 }
19468413 2439 }
9930380f 2440
37eb0b16 2441 return 0;
9930380f
JB		 2442}
2443
eaa336b0
EP		 2444static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2445 struct ieee80211_roc_work *new_roc,
2446 struct ieee80211_roc_work *cur_roc)
2447{
2448 unsigned long j = jiffies;
2449 unsigned long cur_roc_end = cur_roc->hw_start_time +
2450 msecs_to_jiffies(cur_roc->duration);
2451 struct ieee80211_roc_work *next_roc;
2452 int new_dur;
2453
2454 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2455 return false;
2456
2457 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2458 return false;
2459
2460 ieee80211_handle_roc_started(new_roc);
2461
2462 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2463
2464 /* cur_roc is long enough - add new_roc to the dependents list. */
2465 if (new_dur <= 0) {
2466 list_add_tail(&new_roc->list, &cur_roc->dependents);
2467 return true;
2468 }
2469
2470 new_roc->duration = new_dur;
2471
2472 /*
2473 * if cur_roc was already coalesced before, we might
2474 * want to extend the next roc instead of adding
2475 * a new one.
2476 */
2477 next_roc = list_entry(cur_roc->list.next,
2478 struct ieee80211_roc_work, list);
2479 if (&next_roc->list != &local->roc_list &&
2480 next_roc->chan == new_roc->chan &&
2481 next_roc->sdata == new_roc->sdata &&
2482 !WARN_ON(next_roc->started)) {
2483 list_add_tail(&new_roc->list, &next_roc->dependents);
2484 next_roc->duration = max(next_roc->duration,
2485 new_roc->duration);
2486 next_roc->type = max(next_roc->type, new_roc->type);
2487 return true;
2488 }
2489
2490 /* add right after cur_roc */
2491 list_add(&new_roc->list, &cur_roc->list);
2492
2493 return true;
2494}
2495
2eb278e0
JB		 2496static int ieee80211_start_roc_work(struct ieee80211_local *local,
2497 struct ieee80211_sub_if_data *sdata,
2498 struct ieee80211_channel *channel,
2eb278e0 2499 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2500 struct sk_buff *txskb,
2501 enum ieee80211_roc_type type)
2eb278e0
JB		 2502{
2503 struct ieee80211_roc_work *roc, *tmp;
2504 bool queued = false;
21f83589 2505 int ret;
21f83589
JB		 2506
2507 lockdep_assert_held(&local->mtx);
2508
fe57d9f5
JB		 2509 if (local->use_chanctx && !local->ops->remain_on_channel)
2510 return -EOPNOTSUPP;
2511
2eb278e0
JB		 2512 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2513 if (!roc)
2514 return -ENOMEM;
2515
2fae062e
IP		 2516 /*
2517 * If the duration is zero, then the driver
2518 * wouldn't actually do anything. Set it to
2519 * 10 for now.
2520 *
2521 * TODO: cancel the off-channel operation
2522 * when we get the SKB's TX status and
2523 * the wait time was zero before.
2524 */
2525 if (!duration)
2526 duration = 10;
2527
2eb278e0 2528 roc->chan = channel;
2eb278e0
JB		 2529 roc->duration = duration;
2530 roc->req_duration = duration;
2531 roc->frame = txskb;
d339d5ca 2532 roc->type = type;
2eb278e0
JB		 2533 roc->mgmt_tx_cookie = (unsigned long)txskb;
2534 roc->sdata = sdata;
2535 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2536 INIT_LIST_HEAD(&roc->dependents);
2537
2f617435
EP		 2538 /*
2539 * cookie is either the roc cookie (for normal roc)
2540 * or the SKB (for mgmt TX)
2541 */
2542 if (!txskb) {
2543 /* local->mtx protects this */
2544 local->roc_cookie_counter++;
2545 roc->cookie = local->roc_cookie_counter;
2546 /* wow, you wrapped 64 bits ... more likely a bug */
2547 if (WARN_ON(roc->cookie == 0)) {
2548 roc->cookie = 1;
2549 local->roc_cookie_counter++;
2550 }
2551 *cookie = roc->cookie;
2552 } else {
2553 *cookie = (unsigned long)txskb;
2554 }
2555
2eb278e0 2556 /* if there's one pending or we're scanning, queue this one */
164eb02d 2557 if (!list_empty(&local->roc_list) ||
5cbc95a7 2558 local->scanning || ieee80211_is_radar_required(local))
2eb278e0
JB		 2559 goto out_check_combine;
2560
2561 /* if not HW assist, just queue & schedule work */
2562 if (!local->ops->remain_on_channel) {
2563 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2564 goto out_queue;
2565 }
2566
2567 /* otherwise actually kick it off here (for error handling) */
2568
d339d5ca 2569 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2570 if (ret) {
2eb278e0
JB		 2571 kfree(roc);
2572 return ret;
21f83589
JB		 2573 }
2574
2eb278e0
JB		 2575 roc->started = true;
2576 goto out_queue;
2577
2578 out_check_combine:
2579 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2580 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2581 continue;
2582
2583 /*
2584 * Extend this ROC if possible:
2585 *
2586 * If it hasn't started yet, just increase the duration
2587 * and add the new one to the list of dependents.
d339d5ca
IP		 2588 * If the type of the new ROC has higher priority, modify the
2589 * type of the previous one to match that of the new one.
2eb278e0
JB		 2590 */
2591 if (!tmp->started) {
2592 list_add_tail(&roc->list, &tmp->dependents);
2593 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2594 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2595 queued = true;
2596 break;
2597 }
2598
2599 /* If it has already started, it's more difficult ... */
2600 if (local->ops->remain_on_channel) {
2eb278e0
JB		 2601 /*
2602 * In the offloaded ROC case, if it hasn't begun, add
2603 * this new one to the dependent list to be handled
d339d5ca 2604 * when the master one begins. If it has begun,
2eb278e0
JB		 2605 * check that there's still a minimum time left and
2606 * if so, start this one, transmitting the frame, but
d339d5ca 2607 * add it to the list directly after this one with
2eb278e0
JB		 2608 * a reduced time so we'll ask the driver to execute
2609 * it right after finishing the previous one, in the
2610 * hope that it'll also be executed right afterwards,
2611 * effectively extending the old one.
2612 * If there's no minimum time left, just add it to the
2613 * normal list.
d339d5ca
IP		 2614 * TODO: the ROC type is ignored here, assuming that it
2615 * is better to immediately use the current ROC.
2eb278e0
JB		 2616 */
2617 if (!tmp->hw_begun) {
2618 list_add_tail(&roc->list, &tmp->dependents);
2619 queued = true;
2620 break;
2621 }
2622
eaa336b0 2623 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2eb278e0 2624 queued = true;
2eb278e0
JB		 2625 } else if (del_timer_sync(&tmp->work.timer)) {
2626 unsigned long new_end;
2627
2628 /*
2629 * In the software ROC case, cancel the timer, if
2630 * that fails then the finish work is already
2631 * queued/pending and thus we queue the new ROC
2632 * normally, if that succeeds then we can extend
2633 * the timer duration and TX the frame (if any.)
2634 */
2635
2636 list_add_tail(&roc->list, &tmp->dependents);
2637 queued = true;
2638
2639 new_end = jiffies + msecs_to_jiffies(roc->duration);
2640
2641 /* ok, it was started & we canceled timer */
2642 if (time_after(new_end, tmp->work.timer.expires))
2643 mod_timer(&tmp->work.timer, new_end);
2644 else
2645 add_timer(&tmp->work.timer);
2646
2647 ieee80211_handle_roc_started(roc);
2648 }
2649 break;
2650 }
2651
2652 out_queue:
2653 if (!queued)
2654 list_add_tail(&roc->list, &local->roc_list);
2655
2eb278e0 2656 return 0;
21f83589
JB		 2657}
2658
b8bc4b0a 2659static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2660 struct wireless_dev *wdev,
b8bc4b0a 2661 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2662 unsigned int duration,
2663 u64 *cookie)
2664{
71bbc994 2665 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2666 struct ieee80211_local *local = sdata->local;
2eb278e0 2667 int ret;
21f83589 2668
2eb278e0 2669 mutex_lock(&local->mtx);
42d97a59 2670 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2671 duration, cookie, NULL,
2672 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2673 mutex_unlock(&local->mtx);
b8bc4b0a 2674
2eb278e0 2675 return ret;
b8bc4b0a
JB		 2676}
2677
2eb278e0
JB		 2678static int ieee80211_cancel_roc(struct ieee80211_local *local,
2679 u64 cookie, bool mgmt_tx)
21f83589 2680{
2eb278e0 2681 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2682 int ret;
2683
2eb278e0
JB		 2684 mutex_lock(&local->mtx);
2685 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2686 struct ieee80211_roc_work *dep, *tmp2;
2687
2688 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2689 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2690 continue;
2691 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2692 continue;
2693 /* found dependent item -- just remove it */
2694 list_del(&dep->list);
2695 mutex_unlock(&local->mtx);
2696
3fbd45ca 2697 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2698 return 0;
2699 }
2700
50febf6a 2701 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2702 continue;
2703 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2704 continue;
21f83589 2705
2eb278e0
JB		 2706 found = roc;
2707 break;
2708 }
21f83589 2709
2eb278e0
JB		 2710 if (!found) {
2711 mutex_unlock(&local->mtx);
2712 return -ENOENT;
2713 }
21f83589 2714
e979e33c
JB		 2715 /*
2716 * We found the item to cancel, so do that. Note that it
2717 * may have dependents, which we also cancel (and send
2718 * the expired signal for.) Not doing so would be quite
2719 * tricky here, but we may need to fix it later.
2720 */
2721
2eb278e0
JB		 2722 if (local->ops->remain_on_channel) {
2723 if (found->started) {
2724 ret = drv_cancel_remain_on_channel(local);
2725 if (WARN_ON_ONCE(ret)) {
2726 mutex_unlock(&local->mtx);
2727 return ret;
2728 }
2729 }
21f83589 2730
2eb278e0 2731 list_del(&found->list);
21f83589 2732
0f6b3f59
JB		 2733 if (found->started)
2734 ieee80211_start_next_roc(local);
2eb278e0 2735 mutex_unlock(&local->mtx);
21f83589 2736
3fbd45ca 2737 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2738 } else {
2739 /* work may be pending so use it all the time */
2740 found->abort = true;
2741 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2742
21f83589
JB		 2743 mutex_unlock(&local->mtx);
2744
2eb278e0
JB		 2745 /* work will clean up etc */
2746 flush_delayed_work(&found->work);
3fbd45ca
JB		 2747 WARN_ON(!found->to_be_freed);
2748 kfree(found);
21f83589 2749 }
b8bc4b0a 2750
2eb278e0 2751 return 0;
b8bc4b0a
JB		 2752}
2753
2eb278e0 2754static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2755 struct wireless_dev *wdev,
2eb278e0 2756 u64 cookie)
f30221e4 2757{
71bbc994 2758 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2759 struct ieee80211_local *local = sdata->local;
f30221e4 2760
2eb278e0 2761 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2762}
2763
164eb02d
SW		 2764static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2765 struct net_device *dev,
31559f35
JD		 2766 struct cfg80211_chan_def *chandef,
2767 u32 cac_time_ms)
164eb02d
SW		 2768{
2769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2770 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2771 int err;
2772
34a3740d
JB		 2773 mutex_lock(&local->mtx);
2774 if (!list_empty(&local->roc_list) || local->scanning) {
2775 err = -EBUSY;
2776 goto out_unlock;
2777 }
164eb02d
SW		 2778
2779 /* whatever, but channel contexts should not complain about that one */
2780 sdata->smps_mode = IEEE80211_SMPS_OFF;
2781 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2782
164eb02d
SW		 2783 err = ieee80211_vif_use_channel(sdata, chandef,
2784 IEEE80211_CHANCTX_SHARED);
164eb02d 2785 if (err)
34a3740d 2786 goto out_unlock;
164eb02d 2787
164eb02d 2788 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2789 &sdata->dfs_cac_timer_work,
2790 msecs_to_jiffies(cac_time_ms));
164eb02d 2791
34a3740d
JB		 2792 out_unlock:
2793 mutex_unlock(&local->mtx);
2794 return err;
164eb02d
SW		 2795}
2796
73da7d5b
SW		 2797static struct cfg80211_beacon_data *
2798cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2799{
2800 struct cfg80211_beacon_data *new_beacon;
2801 u8 *pos;
2802 int len;
2803
2804 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2805 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2806 beacon->probe_resp_len;
2807
2808 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2809 if (!new_beacon)
2810 return NULL;
2811
2812 pos = (u8 *)(new_beacon + 1);
2813 if (beacon->head_len) {
2814 new_beacon->head_len = beacon->head_len;
2815 new_beacon->head = pos;
2816 memcpy(pos, beacon->head, beacon->head_len);
2817 pos += beacon->head_len;
2818 }
2819 if (beacon->tail_len) {
2820 new_beacon->tail_len = beacon->tail_len;
2821 new_beacon->tail = pos;
2822 memcpy(pos, beacon->tail, beacon->tail_len);
2823 pos += beacon->tail_len;
2824 }
2825 if (beacon->beacon_ies_len) {
2826 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2827 new_beacon->beacon_ies = pos;
2828 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2829 pos += beacon->beacon_ies_len;
2830 }
2831 if (beacon->proberesp_ies_len) {
2832 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2833 new_beacon->proberesp_ies = pos;
2834 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2835 pos += beacon->proberesp_ies_len;
2836 }
2837 if (beacon->assocresp_ies_len) {
2838 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2839 new_beacon->assocresp_ies = pos;
2840 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2841 pos += beacon->assocresp_ies_len;
2842 }
2843 if (beacon->probe_resp_len) {
2844 new_beacon->probe_resp_len = beacon->probe_resp_len;
2845 beacon->probe_resp = pos;
2846 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2847 pos += beacon->probe_resp_len;
2848 }
2849
2850 return new_beacon;
2851}
2852
66e01cf9 2853void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2854{
66e01cf9 2855 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2856
66e01cf9
LC		 2857 ieee80211_queue_work(&sdata->local->hw,
2858 &sdata->csa_finalize_work);
2859}
2860EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2861
66199506
MK		 2862static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2863 u32 *changed)
66e01cf9 2864{
66199506 2865 int err;
7578d575 2866
cd7760e6
SW		 2867 switch (sdata->vif.type) {
2868 case NL80211_IFTYPE_AP:
af296bdb
MK		 2869 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2870 NULL);
97518af1
MK		 2871 kfree(sdata->u.ap.next_beacon);
2872 sdata->u.ap.next_beacon = NULL;
2873
cd7760e6 2874 if (err < 0)
66199506
MK		 2875 return err;
2876 *changed |= err;
cd7760e6
SW		 2877 break;
2878 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2879 err = ieee80211_ibss_finish_csa(sdata);
2880 if (err < 0)
66199506
MK		 2881 return err;
2882 *changed |= err;
cd7760e6 2883 break;
b8456a14
CYY		 2884#ifdef CONFIG_MAC80211_MESH
2885 case NL80211_IFTYPE_MESH_POINT:
2886 err = ieee80211_mesh_finish_csa(sdata);
2887 if (err < 0)
66199506
MK		 2888 return err;
2889 *changed |= err;
b8456a14
CYY		 2890 break;
2891#endif
cd7760e6
SW		 2892 default:
2893 WARN_ON(1);
66199506
MK		 2894 return -EINVAL;
2895 }
2896
2897 return 0;
2898}
2899
cf8767dd 2900static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2901{
2902 struct ieee80211_local *local = sdata->local;
2903 u32 changed = 0;
2904 int err;
2905
2906 sdata_assert_lock(sdata);
2907 lockdep_assert_held(&local->mtx);
03078de4 2908 lockdep_assert_held(&local->chanctx_mtx);
66199506 2909
03078de4
MK		 2910 /*
2911 * using reservation isn't immediate as it may be deferred until later
2912 * with multi-vif. once reservation is complete it will re-schedule the
2913 * work with no reserved_chanctx so verify chandef to check if it
2914 * completed successfully
2915 */
66199506 2916
03078de4
MK		 2917 if (sdata->reserved_chanctx) {
2918 /*
2919 * with multi-vif csa driver may call ieee80211_csa_finish()
2920 * many times while waiting for other interfaces to use their
2921 * reservations
2922 */
2923 if (sdata->reserved_ready)
2924 return 0;
2925
408b18ab 2926 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2927 }
73da7d5b 2928
03078de4
MK		 2929 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2930 &sdata->csa_chandef))
2931 return -EINVAL;
2932
66199506
MK		 2933 sdata->vif.csa_active = false;
2934
2935 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2936 if (err)
cf8767dd 2937 return err;
faf046e7 2938
66199506 2939 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2940
a46992b4
LC		 2941 if (sdata->csa_block_tx) {
2942 ieee80211_wake_vif_queues(local, sdata,
2943 IEEE80211_QUEUE_STOP_REASON_CSA);
2944 sdata->csa_block_tx = false;
2945 }
cf8767dd 2946
f1d65583
LC		 2947 err = drv_post_channel_switch(sdata);
2948 if (err)
2949 return err;
2950
2951 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2952
cf8767dd
MK		 2953 return 0;
2954}
2955
2956static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2957{
2958 if (__ieee80211_csa_finalize(sdata)) {
2959 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2960 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2961 GFP_KERNEL);
2962 }
66e01cf9
LC		 2963}
2964
2965void ieee80211_csa_finalize_work(struct work_struct *work)
2966{
2967 struct ieee80211_sub_if_data *sdata =
2968 container_of(work, struct ieee80211_sub_if_data,
2969 csa_finalize_work);
59af6928 2970 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 2971
2972 sdata_lock(sdata);
59af6928 2973 mutex_lock(&local->mtx);
03078de4 2974 mutex_lock(&local->chanctx_mtx);
59af6928 2975
66e01cf9
LC		 2976 /* AP might have been stopped while waiting for the lock. */
2977 if (!sdata->vif.csa_active)
2978 goto unlock;
2979
2980 if (!ieee80211_sdata_running(sdata))
2981 goto unlock;
2982
2983 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 2984
2985unlock:
03078de4 2986 mutex_unlock(&local->chanctx_mtx);
59af6928 2987 mutex_unlock(&local->mtx);
e487eaeb 2988 sdata_unlock(sdata);
73da7d5b
SW		 2989}
2990
37fa2bdd
MK		 2991static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
2992 struct cfg80211_csa_settings *params,
2993 u32 *changed)
73da7d5b 2994{
af296bdb 2995 struct ieee80211_csa_settings csa = {};
37fa2bdd 2996 int err;
73da7d5b 2997
73da7d5b
SW		 2998 switch (sdata->vif.type) {
2999 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3000 sdata->u.ap.next_beacon =
3001 cfg80211_beacon_dup(&params->beacon_after);
3002 if (!sdata->u.ap.next_beacon)
3003 return -ENOMEM;
3004
66e01cf9
LC		 3005 /*
3006 * With a count of 0, we don't have to wait for any
3007 * TBTT before switching, so complete the CSA
3008 * immediately. In theory, with a count == 1 we
3009 * should delay the switch until just before the next
3010 * TBTT, but that would complicate things so we switch
3011 * immediately too. If we would delay the switch
3012 * until the next TBTT, we would have to set the probe
3013 * response here.
3014 *
3015 * TODO: A channel switch with count <= 1 without
3016 * sending a CSA action frame is kind of useless,
3017 * because the clients won't know we're changing
3018 * channels. The action frame must be implemented
3019 * either here or in the userspace.
3020 */
3021 if (params->count <= 1)
3022 break;
3023
0d06d9ba
AO		 3024 if ((params->n_counter_offsets_beacon >
3025 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3026 (params->n_counter_offsets_presp >
3027 IEEE80211_MAX_CSA_COUNTERS_NUM))
3028 return -EINVAL;
9a774c78 3029
af296bdb
MK		 3030 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3031 csa.counter_offsets_presp = params->counter_offsets_presp;
3032 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3033 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3034 csa.count = params->count;
9a774c78 3035
af296bdb 3036 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3037 if (err < 0) {
3038 kfree(sdata->u.ap.next_beacon);
3039 return err;
3040 }
37fa2bdd 3041 *changed |= err;
66e01cf9 3042
cd7760e6
SW		 3043 break;
3044 case NL80211_IFTYPE_ADHOC:
3045 if (!sdata->vif.bss_conf.ibss_joined)
3046 return -EINVAL;
3047
3048 if (params->chandef.width != sdata->u.ibss.chandef.width)
3049 return -EINVAL;
3050
3051 switch (params->chandef.width) {
3052 case NL80211_CHAN_WIDTH_40:
3053 if (cfg80211_get_chandef_type(&params->chandef) !=
3054 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3055 return -EINVAL;
3056 case NL80211_CHAN_WIDTH_5:
3057 case NL80211_CHAN_WIDTH_10:
3058 case NL80211_CHAN_WIDTH_20_NOHT:
3059 case NL80211_CHAN_WIDTH_20:
3060 break;
3061 default:
3062 return -EINVAL;
3063 }
3064
3065 /* changes into another band are not supported */
3066 if (sdata->u.ibss.chandef.chan->band !=
3067 params->chandef.chan->band)
3068 return -EINVAL;
3069
66e01cf9
LC		 3070 /* see comments in the NL80211_IFTYPE_AP block */
3071 if (params->count > 1) {
3072 err = ieee80211_ibss_csa_beacon(sdata, params);
3073 if (err < 0)
3074 return err;
37fa2bdd 3075 *changed |= err;
66e01cf9
LC		 3076 }
3077
3078 ieee80211_send_action_csa(sdata, params);
3079
73da7d5b 3080 break;
c6da674a 3081#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3082 case NL80211_IFTYPE_MESH_POINT: {
3083 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3084
c6da674a
CYY		 3085 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3086 return -EINVAL;
3087
3088 /* changes into another band are not supported */
3089 if (sdata->vif.bss_conf.chandef.chan->band !=
3090 params->chandef.chan->band)
3091 return -EINVAL;
3092
c782bf8c 3093 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3094 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3095 if (!ifmsh->pre_value)
3096 ifmsh->pre_value = 1;
3097 else
3098 ifmsh->pre_value++;
3099 }
0cb4d4dc 3100
66e01cf9
LC		 3101 /* see comments in the NL80211_IFTYPE_AP block */
3102 if (params->count > 1) {
3103 err = ieee80211_mesh_csa_beacon(sdata, params);
3104 if (err < 0) {
3105 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3106 return err;
3107 }
37fa2bdd 3108 *changed |= err;
3f718fd8 3109 }
66e01cf9
LC		 3110
3111 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3112 ieee80211_send_action_csa(sdata, params);
3113
c6da674a 3114 break;
37fa2bdd 3115 }
c6da674a 3116#endif
73da7d5b
SW		 3117 default:
3118 return -EOPNOTSUPP;
3119 }
3120
37fa2bdd
MK		 3121 return 0;
3122}
3123
f29f58a9
LC		 3124static int
3125__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3126 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3127{
3128 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3129 struct ieee80211_local *local = sdata->local;
6d027bcc 3130 struct ieee80211_channel_switch ch_switch;
2b32713d 3131 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3132 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3133 u32 changed = 0;
3134 int err;
37fa2bdd
MK		 3135
3136 sdata_assert_lock(sdata);
59af6928 3137 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3138
3139 if (!list_empty(&local->roc_list) || local->scanning)
3140 return -EBUSY;
3141
3142 if (sdata->wdev.cac_started)
3143 return -EBUSY;
3144
3145 if (cfg80211_chandef_identical(&params->chandef,
3146 &sdata->vif.bss_conf.chandef))
3147 return -EINVAL;
3148
03078de4
MK		 3149 /* don't allow another channel switch if one is already active. */
3150 if (sdata->vif.csa_active)
3151 return -EBUSY;
3152
2b32713d
MK		 3153 mutex_lock(&local->chanctx_mtx);
3154 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3155 lockdep_is_held(&local->chanctx_mtx));
3156 if (!conf) {
03078de4
MK		 3157 err = -EBUSY;
3158 goto out;
37fa2bdd
MK		 3159 }
3160
2b32713d 3161 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
03078de4
MK		 3162 if (!chanctx) {
3163 err = -EBUSY;
3164 goto out;
37fa2bdd 3165 }
37fa2bdd 3166
000baa5d
LC		 3167 ch_switch.timestamp = 0;
3168 ch_switch.device_timestamp = 0;
3169 ch_switch.block_tx = params->block_tx;
3170 ch_switch.chandef = params->chandef;
3171 ch_switch.count = params->count;
3172
6d027bcc
LC		 3173 err = drv_pre_channel_switch(sdata, &ch_switch);
3174 if (err)
3175 goto out;
3176
03078de4
MK		 3177 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3178 chanctx->mode,
3179 params->radar_required);
3180 if (err)
3181 goto out;
37fa2bdd 3182
03078de4
MK		 3183 /* if reservation is invalid then this will fail */
3184 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3185 if (err) {
3186 ieee80211_vif_unreserve_chanctx(sdata);
3187 goto out;
3188 }
37fa2bdd
MK		 3189
3190 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3191 if (err) {
3192 ieee80211_vif_unreserve_chanctx(sdata);
3193 goto out;
3194 }
37fa2bdd 3195
33787fc4 3196 sdata->csa_chandef = params->chandef;
59af6928 3197 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3198 sdata->vif.csa_active = true;
3199
59af6928 3200 if (sdata->csa_block_tx)
a46992b4
LC		 3201 ieee80211_stop_vif_queues(local, sdata,
3202 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3203
2f457293
LC		 3204 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3205 params->count);
3206
66e01cf9
LC		 3207 if (changed) {
3208 ieee80211_bss_info_change_notify(sdata, changed);
3209 drv_channel_switch_beacon(sdata, &params->chandef);
3210 } else {
3211 /* if the beacon didn't change, we can finalize immediately */
3212 ieee80211_csa_finalize(sdata);
3213 }
73da7d5b 3214
03078de4
MK		 3215out:
3216 mutex_unlock(&local->chanctx_mtx);
3217 return err;
73da7d5b
SW		 3218}
3219
59af6928
MK		 3220int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3221 struct cfg80211_csa_settings *params)
3222{
3223 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3224 struct ieee80211_local *local = sdata->local;
3225 int err;
3226
3227 mutex_lock(&local->mtx);
3228 err = __ieee80211_channel_switch(wiphy, dev, params);
3229 mutex_unlock(&local->mtx);
3230
3231 return err;
3232}
3233
71bbc994 3234static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3235 struct cfg80211_mgmt_tx_params *params,
3236 u64 *cookie)
026331c4 3237{
71bbc994 3238 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3239 struct ieee80211_local *local = sdata->local;
3240 struct sk_buff *skb;
3241 struct sta_info *sta;
b176e629 3242 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3243 bool need_offchan = false;
e247bd90 3244 u32 flags;
2eb278e0 3245 int ret;
387910cc 3246 u8 *data;
f7ca38df 3247
b176e629 3248 if (params->dont_wait_for_ack)
e247bd90
JB		 3249 flags = IEEE80211_TX_CTL_NO_ACK;
3250 else
3251 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3252 IEEE80211_TX_CTL_REQ_TX_STATUS;
3253
b176e629 3254 if (params->no_cck)
aad14ceb
RM		 3255 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3256
9d38d85d
JB		 3257 switch (sdata->vif.type) {
3258 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3259 if (!sdata->vif.bss_conf.ibss_joined)
3260 need_offchan = true;
3261 /* fall through */
3262#ifdef CONFIG_MAC80211_MESH
3263 case NL80211_IFTYPE_MESH_POINT:
3264 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3265 !sdata->u.mesh.mesh_id_len)
3266 need_offchan = true;
3267 /* fall through */
3268#endif
663fcafd
JB		 3269 case NL80211_IFTYPE_AP:
3270 case NL80211_IFTYPE_AP_VLAN:
3271 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3272 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3273 !ieee80211_vif_is_mesh(&sdata->vif) &&
3274 !rcu_access_pointer(sdata->bss->beacon))
3275 need_offchan = true;
663fcafd 3276 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3277 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3278 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3279 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3280 break;
3281 rcu_read_lock();
3282 sta = sta_info_get(sdata, mgmt->da);
3283 rcu_read_unlock();
3284 if (!sta)
3285 return -ENOLINK;
3286 break;
3287 case NL80211_IFTYPE_STATION:
663fcafd 3288 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3289 if (!sdata->u.mgd.associated)
3290 need_offchan = true;
9d38d85d 3291 break;
f142c6b9
JB		 3292 case NL80211_IFTYPE_P2P_DEVICE:
3293 need_offchan = true;
3294 break;
9d38d85d
JB		 3295 default:
3296 return -EOPNOTSUPP;
3297 }
3298
f7aeb6fb
AQ		 3299 /* configurations requiring offchan cannot work if no channel has been
3300 * specified
3301 */
b176e629 3302 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3303 return -EINVAL;
3304
2eb278e0
JB		 3305 mutex_lock(&local->mtx);
3306
3307 /* Check if the operating channel is the requested channel */
3308 if (!need_offchan) {
55de908a
JB		 3309 struct ieee80211_chanctx_conf *chanctx_conf;
3310
3311 rcu_read_lock();
3312 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3313
f7aeb6fb 3314 if (chanctx_conf) {
b176e629
AO		 3315 need_offchan = params->chan &&
3316 (params->chan !=
3317 chanctx_conf->def.chan);
3318 } else if (!params->chan) {
f7aeb6fb
AQ		 3319 ret = -EINVAL;
3320 rcu_read_unlock();
3321 goto out_unlock;
3322 } else {
2eb278e0 3323 need_offchan = true;
f7aeb6fb 3324 }
55de908a 3325 rcu_read_unlock();
2eb278e0
JB		 3326 }
3327
b176e629 3328 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3329 ret = -EBUSY;
3330 goto out_unlock;
3331 }
3332
b176e629 3333 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3334 if (!skb) {
3335 ret = -ENOMEM;
3336 goto out_unlock;
3337 }
9d38d85d
JB		 3338 skb_reserve(skb, local->hw.extra_tx_headroom);
3339
387910cc
AO		 3340 data = skb_put(skb, params->len);
3341 memcpy(data, params->buf, params->len);
3342
3343 /* Update CSA counters */
3344 if (sdata->vif.csa_active &&
3345 (sdata->vif.type == NL80211_IFTYPE_AP ||
3346 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3347 params->n_csa_offsets) {
3348 int i;
af296bdb 3349 struct beacon_data *beacon = NULL;
387910cc 3350
af296bdb
MK		 3351 rcu_read_lock();
3352
3353 if (sdata->vif.type == NL80211_IFTYPE_AP)
3354 beacon = rcu_dereference(sdata->u.ap.beacon);
3355 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3356 beacon = rcu_dereference(sdata->u.ibss.presp);
3357 else if (ieee80211_vif_is_mesh(&sdata->vif))
3358 beacon = rcu_dereference(sdata->u.mesh.beacon);
3359
3360 if (beacon)
3361 for (i = 0; i < params->n_csa_offsets; i++)
3362 data[params->csa_offsets[i]] =
3363 beacon->csa_current_counter;
3364
3365 rcu_read_unlock();
387910cc 3366 }
9d38d85d
JB		 3367
3368 IEEE80211_SKB_CB(skb)->flags = flags;
3369
3370 skb->dev = sdata->dev;
9d38d85d 3371
2eb278e0 3372 if (!need_offchan) {
7f9f78ab 3373 *cookie = (unsigned long) skb;
f30221e4 3374 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3375 ret = 0;
3376 goto out_unlock;
f30221e4
JB		 3377 }
3378
6c17b77b
SF		 3379 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3380 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3381 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3382 IEEE80211_SKB_CB(skb)->hw_queue =
3383 local->hw.offchannel_tx_hw_queue;
f30221e4 3384
2eb278e0 3385 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3386 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3387 params->wait, cookie, skb,
d339d5ca 3388 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3389 if (ret)
3390 kfree_skb(skb);
3391 out_unlock:
3392 mutex_unlock(&local->mtx);
3393 return ret;
026331c4
JM		 3394}
3395
f30221e4 3396static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3397 struct wireless_dev *wdev,
f30221e4
JB		 3398 u64 cookie)
3399{
71bbc994 3400 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3401
2eb278e0 3402 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3403}
3404
7be5086d 3405static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3406 struct wireless_dev *wdev,
7be5086d
JB		 3407 u16 frame_type, bool reg)
3408{
3409 struct ieee80211_local *local = wiphy_priv(wiphy);
3410
6abe0563 3411 switch (frame_type) {
6abe0563
WH		 3412 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3413 if (reg)
3414 local->probe_req_reg++;
3415 else
3416 local->probe_req_reg--;
7be5086d 3417
35f5149e
FF		 3418 if (!local->open_count)
3419 break;
3420
6abe0563
WH		 3421 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3422 break;
3423 default:
3424 break;
3425 }
7be5086d
JB		 3426}
3427
15d96753
BR		 3428static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3429{
3430 struct ieee80211_local *local = wiphy_priv(wiphy);
3431
3432 if (local->started)
3433 return -EOPNOTSUPP;
3434
3435 return drv_set_antenna(local, tx_ant, rx_ant);
3436}
3437
3438static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3439{
3440 struct ieee80211_local *local = wiphy_priv(wiphy);
3441
3442 return drv_get_antenna(local, tx_ant, rx_ant);
3443}
3444
c68f4b89
JB		 3445static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3446 struct net_device *dev,
3447 struct cfg80211_gtk_rekey_data *data)
3448{
3449 struct ieee80211_local *local = wiphy_priv(wiphy);
3450 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3451
3452 if (!local->ops->set_rekey_data)
3453 return -EOPNOTSUPP;
3454
3455 drv_set_rekey_data(local, sdata, data);
3456
3457 return 0;
3458}
3459
06500736
JB		 3460static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3461 const u8 *peer, u64 *cookie)
3462{
3463 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3464 struct ieee80211_local *local = sdata->local;
3465 struct ieee80211_qos_hdr *nullfunc;
3466 struct sk_buff *skb;
3467 int size = sizeof(*nullfunc);
3468 __le16 fc;
3469 bool qos;
3470 struct ieee80211_tx_info *info;
3471 struct sta_info *sta;
55de908a
JB		 3472 struct ieee80211_chanctx_conf *chanctx_conf;
3473 enum ieee80211_band band;
06500736
JB		 3474
3475 rcu_read_lock();
55de908a
JB		 3476 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3477 if (WARN_ON(!chanctx_conf)) {
3478 rcu_read_unlock();
3479 return -EINVAL;
3480 }
4bf88530 3481 band = chanctx_conf->def.chan->band;
03bb7f42 3482 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3483 if (sta) {
a74a8c84 3484 qos = sta->sta.wme;
b4487c2d
JB		 3485 } else {
3486 rcu_read_unlock();
06500736 3487 return -ENOLINK;
b4487c2d 3488 }
06500736
JB		 3489
3490 if (qos) {
3491 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3492 IEEE80211_STYPE_QOS_NULLFUNC |
3493 IEEE80211_FCTL_FROMDS);
3494 } else {
3495 size -= 2;
3496 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3497 IEEE80211_STYPE_NULLFUNC |
3498 IEEE80211_FCTL_FROMDS);
3499 }
3500
3501 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3502 if (!skb) {
3503 rcu_read_unlock();
06500736 3504 return -ENOMEM;
55de908a 3505 }
06500736
JB		 3506
3507 skb->dev = dev;
3508
3509 skb_reserve(skb, local->hw.extra_tx_headroom);
3510
3511 nullfunc = (void *) skb_put(skb, size);
3512 nullfunc->frame_control = fc;
3513 nullfunc->duration_id = 0;
3514 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3515 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3516 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3517 nullfunc->seq_ctrl = 0;
3518
3519 info = IEEE80211_SKB_CB(skb);
3520
3521 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3522 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3523 info->band = band;
06500736
JB		 3524
3525 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3526 skb->priority = 7;
3527 if (qos)
3528 nullfunc->qos_ctrl = cpu_to_le16(7);
3529
3530 local_bh_disable();
73c4e195 3531 ieee80211_xmit(sdata, skb);
06500736 3532 local_bh_enable();
55de908a 3533 rcu_read_unlock();
06500736
JB		 3534
3535 *cookie = (unsigned long) skb;
3536 return 0;
3537}
3538
683b6d3b
JB		 3539static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3540 struct wireless_dev *wdev,
3541 struct cfg80211_chan_def *chandef)
5b7ccaf3 3542{
55de908a 3543 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3544 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3545 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3546 int ret = -ENODATA;
55de908a
JB		 3547
3548 rcu_read_lock();
feda3027
JB		 3549 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3550 if (chanctx_conf) {
c12bc488 3551 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3552 ret = 0;
3553 } else if (local->open_count > 0 &&
3554 local->open_count == local->monitors &&
3555 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3556 if (local->use_chanctx)
3557 *chandef = local->monitor_chandef;
3558 else
675a0b04 3559 *chandef = local->_oper_chandef;
683b6d3b 3560 ret = 0;
55de908a
JB		 3561 }
3562 rcu_read_unlock();
5b7ccaf3 3563
683b6d3b 3564 return ret;
5b7ccaf3
JB		 3565}
3566
6d52563f
JB		 3567#ifdef CONFIG_PM
3568static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3569{
3570 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3571}
3572#endif
3573
32db6b54
KP		 3574static int ieee80211_set_qos_map(struct wiphy *wiphy,
3575 struct net_device *dev,
3576 struct cfg80211_qos_map *qos_map)
3577{
3578 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3579 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3580
3581 if (qos_map) {
3582 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3583 if (!new_qos_map)
3584 return -ENOMEM;
3585 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3586 } else {
3587 /* A NULL qos_map was passed to disable QoS mapping */
3588 new_qos_map = NULL;
3589 }
3590
194ff52d 3591 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3592 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3593 if (old_qos_map)
3594 kfree_rcu(old_qos_map, rcu_head);
3595
3596 return 0;
3597}
3598
3b1700bd
JM		 3599static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3600 struct net_device *dev,
3601 struct cfg80211_chan_def *chandef)
3602{
3603 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3604 int ret;
3605 u32 changed = 0;
3606
3607 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3608 if (ret == 0)
3609 ieee80211_bss_info_change_notify(sdata, changed);
3610
3611 return ret;
3612}
3613
02219b3a
JB		 3614static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3615 u8 tsid, const u8 *peer, u8 up,
3616 u16 admitted_time)
3617{
3618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3619 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3620 int ac = ieee802_1d_to_ac[up];
3621
3622 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3623 return -EOPNOTSUPP;
3624
3625 if (!(sdata->wmm_acm & BIT(up)))
3626 return -EINVAL;
3627
3628 if (ifmgd->tx_tspec[ac].admitted_time)
3629 return -EBUSY;
3630
3631 if (admitted_time) {
3632 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3633 ifmgd->tx_tspec[ac].tsid = tsid;
3634 ifmgd->tx_tspec[ac].up = up;
3635 }
3636
3637 return 0;
3638}
3639
3640static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3641 u8 tsid, const u8 *peer)
3642{
3643 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3644 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3645 struct ieee80211_local *local = wiphy_priv(wiphy);
3646 int ac;
3647
3648 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3649 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3650
3651 /* skip unused entries */
3652 if (!tx_tspec->admitted_time)
3653 continue;
3654
3655 if (tx_tspec->tsid != tsid)
3656 continue;
3657
3658 /* due to this new packets will be reassigned to non-ACM ACs */
3659 tx_tspec->up = -1;
3660
3661 /* Make sure that all packets have been sent to avoid to
3662 * restore the QoS params on packets that are still on the
3663 * queues.
3664 */
3665 synchronize_net();
3b24f4c6 3666 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3667
3668 /* restore the normal QoS parameters
3669 * (unconditionally to avoid races)
3670 */
3671 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3672 tx_tspec->downgraded = false;
3673 ieee80211_sta_handle_tspec_ac_params(sdata);
3674
3675 /* finally clear all the data */
3676 memset(tx_tspec, 0, sizeof(*tx_tspec));
3677
3678 return 0;
3679 }
3680
3681 return -ENOENT;
3682}
3683
8a47cea7 3684const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3685 .add_virtual_intf = ieee80211_add_iface,
3686 .del_virtual_intf = ieee80211_del_iface,
42613db7 3687 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3688 .start_p2p_device = ieee80211_start_p2p_device,
3689 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3690 .add_key = ieee80211_add_key,
3691 .del_key = ieee80211_del_key,
62da92fb 3692 .get_key = ieee80211_get_key,
e8cbb4cb 3693 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3694 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3695 .start_ap = ieee80211_start_ap,
3696 .change_beacon = ieee80211_change_beacon,
3697 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3698 .add_station = ieee80211_add_station,
3699 .del_station = ieee80211_del_station,
3700 .change_station = ieee80211_change_station,
7bbdd2d9 3701 .get_station = ieee80211_get_station,
c5dd9c2b 3702 .dump_station = ieee80211_dump_station,
1289723e 3703 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3704#ifdef CONFIG_MAC80211_MESH
3705 .add_mpath = ieee80211_add_mpath,
3706 .del_mpath = ieee80211_del_mpath,
3707 .change_mpath = ieee80211_change_mpath,
3708 .get_mpath = ieee80211_get_mpath,
3709 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3710 .get_mpp = ieee80211_get_mpp,
3711 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3712 .update_mesh_config = ieee80211_update_mesh_config,
3713 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3714 .join_mesh = ieee80211_join_mesh,
3715 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3716#endif
239281f8
RL		 3717 .join_ocb = ieee80211_join_ocb,
3718 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3719 .change_bss = ieee80211_change_bss,
31888487 3720 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3721 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3722 .suspend = ieee80211_suspend,
3723 .resume = ieee80211_resume,
2a519311 3724 .scan = ieee80211_scan,
79f460ca
LC		 3725 .sched_scan_start = ieee80211_sched_scan_start,
3726 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3727 .auth = ieee80211_auth,
3728 .assoc = ieee80211_assoc,
3729 .deauth = ieee80211_deauth,
3730 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3731 .join_ibss = ieee80211_join_ibss,
3732 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3733 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3734 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3735 .set_tx_power = ieee80211_set_tx_power,
3736 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3737 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3738 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3739 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3740 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3741 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3742 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3743 .remain_on_channel = ieee80211_remain_on_channel,
3744 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3745 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3746 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3747 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3748 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3749 .set_antenna = ieee80211_set_antenna,
3750 .get_antenna = ieee80211_get_antenna,
c68f4b89 3751 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3752 .tdls_oper = ieee80211_tdls_oper,
3753 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3754 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3755 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3756 .probe_client = ieee80211_probe_client,
b53be792 3757 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3758#ifdef CONFIG_PM
3759 .set_wakeup = ieee80211_set_wakeup,
3760#endif
5b7ccaf3 3761 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3762 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3763 .channel_switch = ieee80211_channel_switch,
32db6b54 3764 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3765 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3766 .add_tx_ts = ieee80211_add_tx_ts,
3767 .del_tx_ts = ieee80211_del_tx_ts,
f0706e82 3768};
Linux 6.x block layer and io_uring tree(s)