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nl80211: Allow set network namespace by fd
[linux-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 430 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 431 rinfo->bw = RATE_INFO_BW_40;
432 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
433 rinfo->bw = RATE_INFO_BW_80;
434 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
435 rinfo->bw = RATE_INFO_BW_160;
436 else
437 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 438 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
439 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 440}
441
003e676a
S		 442void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
443{
444 rinfo->flags = 0;
445
446 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
447 rinfo->flags |= RATE_INFO_FLAGS_MCS;
448 rinfo->mcs = sta->last_rx_rate_idx;
449 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
450 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
451 rinfo->nss = sta->last_rx_rate_vht_nss;
452 rinfo->mcs = sta->last_rx_rate_idx;
453 } else {
454 struct ieee80211_supported_band *sband;
2103dec1
SW		 455 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
456 u16 brate;
003e676a
S		 457
458 sband = sta->local->hw.wiphy->bands[
459 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 460 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
461 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 462 }
463
003e676a
S		 464 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
465 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
b51f3bee
JB		 466
467 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
468 rinfo->bw = RATE_INFO_BW_5;
469 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
470 rinfo->bw = RATE_INFO_BW_10;
471 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
472 rinfo->bw = RATE_INFO_BW_40;
473 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
474 rinfo->bw = RATE_INFO_BW_80;
475 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
476 rinfo->bw = RATE_INFO_BW_160;
477 else
478 rinfo->bw = RATE_INFO_BW_20;
003e676a
S		 479}
480
c5dd9c2b 481static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 482 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 483{
3b53fde8 484 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 485 struct ieee80211_local *local = sdata->local;
c5dd9c2b 486 struct sta_info *sta;
d0709a65
JB		 487 int ret = -ENOENT;
488
66572cfc 489 mutex_lock(&local->sta_mtx);
c5dd9c2b 490
3b53fde8 491 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 492 if (sta) {
493 ret = 0;
17741cdc 494 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 495 sta_set_sinfo(sta, sinfo);
496 }
c5dd9c2b 497
66572cfc 498 mutex_unlock(&local->sta_mtx);
c5dd9c2b 499
d0709a65 500 return ret;
c5dd9c2b
LCC		 501}
502
1289723e
HS		 503static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
504 int idx, struct survey_info *survey)
505{
506 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
507
1289723e
HS		 508 return drv_get_survey(local, idx, survey);
509}
510
7bbdd2d9 511static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 512 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 513{
abe60632 514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 515 struct ieee80211_local *local = sdata->local;
7bbdd2d9 516 struct sta_info *sta;
d0709a65 517 int ret = -ENOENT;
7bbdd2d9 518
66572cfc 519 mutex_lock(&local->sta_mtx);
7bbdd2d9 520
0e5ded5a 521 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 522 if (sta) {
523 ret = 0;
524 sta_set_sinfo(sta, sinfo);
525 }
526
66572cfc 527 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 528
529 return ret;
7bbdd2d9
JB		 530}
531
55de908a 532static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 533 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 534{
535 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 536 struct ieee80211_sub_if_data *sdata;
537 int ret = 0;
3d9e6e12 538
4bf88530 539 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 540 return 0;
3d9e6e12 541
34a3740d 542 mutex_lock(&local->mtx);
55de908a
JB		 543 mutex_lock(&local->iflist_mtx);
544 if (local->use_chanctx) {
545 sdata = rcu_dereference_protected(
546 local->monitor_sdata,
547 lockdep_is_held(&local->iflist_mtx));
548 if (sdata) {
549 ieee80211_vif_release_channel(sdata);
4bf88530 550 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 551 IEEE80211_CHANCTX_EXCLUSIVE);
552 }
553 } else if (local->open_count == local->monitors) {
675a0b04 554 local->_oper_chandef = *chandef;
55de908a
JB		 555 ieee80211_hw_config(local, 0);
556 }
3d9e6e12 557
4bf88530
JB		 558 if (ret == 0)
559 local->monitor_chandef = *chandef;
55de908a 560 mutex_unlock(&local->iflist_mtx);
34a3740d 561 mutex_unlock(&local->mtx);
3d9e6e12 562
55de908a 563 return ret;
e8c9bd5b
JB		 564}
565
02945821 566static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 567 const u8 *resp, size_t resp_len,
568 const struct ieee80211_csa_settings *csa)
02945821 569{
aa7a0080 570 struct probe_resp *new, *old;
02945821
AN		 571
572 if (!resp || !resp_len)
aba4e6ff 573 return 1;
02945821 574
7ca133bc 575 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 576
aa7a0080 577 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 578 if (!new)
579 return -ENOMEM;
580
aa7a0080
ES		 581 new->len = resp_len;
582 memcpy(new->data, resp, resp_len);
02945821 583
af296bdb
MK		 584 if (csa)
585 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
586 csa->n_counter_offsets_presp *
587 sizeof(new->csa_counter_offsets[0]));
588
02945821 589 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 590 if (old)
591 kfree_rcu(old, rcu_head);
02945821
AN		 592
593 return 0;
594}
595
0ae07968 596static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 597 struct cfg80211_beacon_data *params,
598 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 599{
600 struct beacon_data *new, *old;
601 int new_head_len, new_tail_len;
8860020e
JB		 602 int size, err;
603 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 604
7ca133bc
SW		 605 old = sdata_dereference(sdata->u.ap.beacon, sdata);
606
5dfdaf58 607
5dfdaf58
JB		 608 /* Need to have a beacon head if we don't have one yet */
609 if (!params->head && !old)
8860020e 610 return -EINVAL;
5dfdaf58
JB		 611
612 /* new or old head? */
613 if (params->head)
614 new_head_len = params->head_len;
615 else
616 new_head_len = old->head_len;
617
618 /* new or old tail? */
619 if (params->tail || !old)
620 /* params->tail_len will be zero for !params->tail */
621 new_tail_len = params->tail_len;
622 else
623 new_tail_len = old->tail_len;
624
625 size = sizeof(*new) + new_head_len + new_tail_len;
626
627 new = kzalloc(size, GFP_KERNEL);
628 if (!new)
629 return -ENOMEM;
630
631 /* start filling the new info now */
632
5dfdaf58
JB		 633 /*
634 * pointers go into the block we allocated,
635 * memory is | beacon_data | head | tail |
636 */
637 new->head = ((u8 *) new) + sizeof(*new);
638 new->tail = new->head + new_head_len;
639 new->head_len = new_head_len;
640 new->tail_len = new_tail_len;
641
af296bdb
MK		 642 if (csa) {
643 new->csa_current_counter = csa->count;
644 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
645 csa->n_counter_offsets_beacon *
646 sizeof(new->csa_counter_offsets[0]));
647 }
648
5dfdaf58
JB		 649 /* copy in head */
650 if (params->head)
651 memcpy(new->head, params->head, new_head_len);
652 else
653 memcpy(new->head, old->head, new_head_len);
654
655 /* copy in optional tail */
656 if (params->tail)
657 memcpy(new->tail, params->tail, new_tail_len);
658 else
659 if (old)
660 memcpy(new->tail, old->tail, new_tail_len);
661
02945821 662 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 663 params->probe_resp_len, csa);
8860020e
JB		 664 if (err < 0)
665 return err;
666 if (err == 0)
02945821
AN		 667 changed |= BSS_CHANGED_AP_PROBE_RESP;
668
8860020e
JB		 669 rcu_assign_pointer(sdata->u.ap.beacon, new);
670
671 if (old)
672 kfree_rcu(old, rcu_head);
7827493b 673
8860020e 674 return changed;
5dfdaf58
JB		 675}
676
8860020e
JB		 677static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
678 struct cfg80211_ap_settings *params)
5dfdaf58 679{
8860020e 680 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 681 struct ieee80211_local *local = sdata->local;
5dfdaf58 682 struct beacon_data *old;
665c93a9 683 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 684 u32 changed = BSS_CHANGED_BEACON_INT |
685 BSS_CHANGED_BEACON_ENABLED |
686 BSS_CHANGED_BEACON |
339afbf4 687 BSS_CHANGED_SSID |
4bcc56bb
JB		 688 BSS_CHANGED_P2P_PS |
689 BSS_CHANGED_TXPOWER;
8860020e 690 int err;
14db74bc 691
7ca133bc 692 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 693 if (old)
694 return -EALREADY;
695
f6993174
EP		 696 switch (params->smps_mode) {
697 case NL80211_SMPS_OFF:
698 sdata->smps_mode = IEEE80211_SMPS_OFF;
699 break;
700 case NL80211_SMPS_STATIC:
701 sdata->smps_mode = IEEE80211_SMPS_STATIC;
702 break;
703 case NL80211_SMPS_DYNAMIC:
704 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
705 break;
706 default:
707 return -EINVAL;
708 }
04ecd257
JB		 709 sdata->needed_rx_chains = sdata->local->rx_chains;
710
34a3740d 711 mutex_lock(&local->mtx);
4bf88530 712 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 713 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 714 if (!err)
715 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 716 mutex_unlock(&local->mtx);
aa430da4
JB		 717 if (err)
718 return err;
719
665c93a9
JB		 720 /*
721 * Apply control port protocol, this allows us to
722 * not encrypt dynamic WEP control frames.
723 */
724 sdata->control_port_protocol = params->crypto.control_port_ethertype;
725 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 726 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
727 &params->crypto,
728 sdata->vif.type);
729
665c93a9
JB		 730 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
731 vlan->control_port_protocol =
732 params->crypto.control_port_ethertype;
733 vlan->control_port_no_encrypt =
734 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 735 vlan->encrypt_headroom =
736 ieee80211_cs_headroom(sdata->local,
737 &params->crypto,
738 vlan->vif.type);
665c93a9
JB		 739 }
740
8860020e
JB		 741 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
742 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 743 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 744
745 sdata->vif.bss_conf.ssid_len = params->ssid_len;
746 if (params->ssid_len)
747 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
748 params->ssid_len);
749 sdata->vif.bss_conf.hidden_ssid =
750 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
751
67baf663
JD		 752 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
753 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
754 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
755 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
756 if (params->p2p_opp_ps)
757 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
758 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 759
af296bdb 760 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 761 if (err < 0) {
762 ieee80211_vif_release_channel(sdata);
8860020e 763 return err;
0297ea17 764 }
8860020e
JB		 765 changed |= err;
766
1041638f
JB		 767 err = drv_start_ap(sdata->local, sdata);
768 if (err) {
7ca133bc
SW		 769 old = sdata_dereference(sdata->u.ap.beacon, sdata);
770
1041638f
JB		 771 if (old)
772 kfree_rcu(old, rcu_head);
773 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 774 ieee80211_vif_release_channel(sdata);
1041638f
JB		 775 return err;
776 }
777
057d5f4b 778 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 779 ieee80211_bss_info_change_notify(sdata, changed);
780
3edaf3e6
JB		 781 netif_carrier_on(dev);
782 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
783 netif_carrier_on(vlan->dev);
784
665c93a9 785 return 0;
5dfdaf58
JB		 786}
787
8860020e
JB		 788static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
789 struct cfg80211_beacon_data *params)
5dfdaf58 790{
14db74bc 791 struct ieee80211_sub_if_data *sdata;
5dfdaf58 792 struct beacon_data *old;
8860020e 793 int err;
5dfdaf58 794
14db74bc 795 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 796 sdata_assert_lock(sdata);
14db74bc 797
73da7d5b
SW		 798 /* don't allow changing the beacon while CSA is in place - offset
799 * of channel switch counter may change
800 */
801 if (sdata->vif.csa_active)
802 return -EBUSY;
803
7ca133bc 804 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 805 if (!old)
806 return -ENOENT;
807
af296bdb 808 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 809 if (err < 0)
810 return err;
811 ieee80211_bss_info_change_notify(sdata, err);
812 return 0;
5dfdaf58
JB		 813}
814
8860020e 815static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 816{
7b20b8e8
JB		 817 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
818 struct ieee80211_sub_if_data *vlan;
819 struct ieee80211_local *local = sdata->local;
820 struct beacon_data *old_beacon;
821 struct probe_resp *old_probe_resp;
d2859df5 822 struct cfg80211_chan_def chandef;
14db74bc 823
dbd72850
MK		 824 sdata_assert_lock(sdata);
825
7ca133bc 826 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 827 if (!old_beacon)
5dfdaf58 828 return -ENOENT;
7ca133bc 829 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 830
73da7d5b 831 /* abort any running channel switch */
59af6928 832 mutex_lock(&local->mtx);
73da7d5b 833 sdata->vif.csa_active = false;
a46992b4
LC		 834 if (sdata->csa_block_tx) {
835 ieee80211_wake_vif_queues(local, sdata,
836 IEEE80211_QUEUE_STOP_REASON_CSA);
837 sdata->csa_block_tx = false;
838 }
839
59af6928
MK		 840 mutex_unlock(&local->mtx);
841
1f3b8a2b
SW		 842 kfree(sdata->u.ap.next_beacon);
843 sdata->u.ap.next_beacon = NULL;
844
7b20b8e8 845 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 846 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
847 netif_carrier_off(vlan->dev);
848 netif_carrier_off(dev);
849
7b20b8e8 850 /* remove beacon and probe response */
a9b3cd7f 851 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 852 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
853 kfree_rcu(old_beacon, rcu_head);
854 if (old_probe_resp)
855 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 856 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 857
e716251d 858 __sta_info_flush(sdata, true);
7907c7d3 859 ieee80211_free_keys(sdata, true);
75de9113 860
d6a83228 861 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 862 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 863 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 864 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 865
a6b368f6 866 if (sdata->wdev.cac_started) {
d2859df5 867 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 868 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 869 cfg80211_cac_event(sdata->dev, &chandef,
870 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 871 GFP_KERNEL);
872 }
873
1041638f
JB		 874 drv_stop_ap(sdata->local, sdata);
875
7b20b8e8
JB		 876 /* free all potentially still buffered bcast frames */
877 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
878 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
879
34a3740d 880 mutex_lock(&local->mtx);
4e141dad 881 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 882 ieee80211_vif_release_channel(sdata);
34a3740d 883 mutex_unlock(&local->mtx);
55de908a 884
2d0ddec5 885 return 0;
5dfdaf58
JB		 886}
887
4fd6931e
JB		 888/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
889struct iapp_layer2_update {
890 u8 da[ETH_ALEN]; /* broadcast */
891 u8 sa[ETH_ALEN]; /* STA addr */
892 __be16 len; /* 6 */
893 u8 dsap; /* 0 */
894 u8 ssap; /* 0 */
895 u8 control;
896 u8 xid_info[3];
bc10502d 897} __packed;
4fd6931e
JB		 898
899static void ieee80211_send_layer2_update(struct sta_info *sta)
900{
901 struct iapp_layer2_update *msg;
902 struct sk_buff *skb;
903
904 /* Send Level 2 Update Frame to update forwarding tables in layer 2
905 * bridge devices */
906
907 skb = dev_alloc_skb(sizeof(*msg));
908 if (!skb)
909 return;
910 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
911
912 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
913 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
914
e83e6541 915 eth_broadcast_addr(msg->da);
17741cdc 916 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 917 msg->len = htons(6);
918 msg->dsap = 0;
919 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
920 msg->control = 0xaf; /* XID response lsb.1111F101.
921 * F=0 (no poll command; unsolicited frame) */
922 msg->xid_info[0] = 0x81; /* XID format identifier */
923 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
924 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
925
d0709a65
JB		 926 skb->dev = sta->sdata->dev;
927 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 928 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 929 netif_rx_ni(skb);
4fd6931e
JB		 930}
931
d582cffb
JB		 932static int sta_apply_auth_flags(struct ieee80211_local *local,
933 struct sta_info *sta,
934 u32 mask, u32 set)
935{
936 int ret;
937
938 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
939 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
940 !test_sta_flag(sta, WLAN_STA_AUTH)) {
941 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
942 if (ret)
943 return ret;
944 }
945
946 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
947 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
948 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
949 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
950 if (ret)
951 return ret;
952 }
953
954 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
955 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
956 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
957 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
958 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
959 else
960 ret = 0;
961 if (ret)
962 return ret;
963 }
964
965 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
966 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
967 test_sta_flag(sta, WLAN_STA_ASSOC)) {
968 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
969 if (ret)
970 return ret;
971 }
972
973 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
974 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
975 test_sta_flag(sta, WLAN_STA_AUTH)) {
976 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
977 if (ret)
978 return ret;
979 }
980
981 return 0;
982}
983
d9a7ddb0
JB		 984static int sta_apply_parameters(struct ieee80211_local *local,
985 struct sta_info *sta,
986 struct station_parameters *params)
4fd6931e 987{
d9a7ddb0 988 int ret = 0;
8318d78a 989 struct ieee80211_supported_band *sband;
d0709a65 990 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 991 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 992 u32 mask, set;
4fd6931e 993
55de908a 994 sband = local->hw.wiphy->bands[band];
ae5eb026 995
eccb8e8f
JB		 996 mask = params->sta_flags_mask;
997 set = params->sta_flags_set;
73651ee6 998
d582cffb
JB		 999 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1000 /*
1001 * In mesh mode, ASSOCIATED isn't part of the nl80211
1002 * API but must follow AUTHENTICATED for driver state.
1003 */
1004 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1005 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1006 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1007 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1008 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1009 /*
1010 * TDLS -- everything follows authorized, but
1011 * only becoming authorized is possible, not
1012 * going back
1013 */
1014 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1015 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1016 BIT(NL80211_STA_FLAG_ASSOCIATED);
1017 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1018 BIT(NL80211_STA_FLAG_ASSOCIATED);
1019 }
eccb8e8f 1020 }
4fd6931e 1021
68885a54
AN		 1022 /* auth flags will be set later for TDLS stations */
1023 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1024 ret = sta_apply_auth_flags(local, sta, mask, set);
1025 if (ret)
1026 return ret;
1027 }
d9a7ddb0 1028
eccb8e8f 1029 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1030 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1031 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1032 else
1033 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1034 }
4fd6931e 1035
a74a8c84
JB		 1036 if (mask & BIT(NL80211_STA_FLAG_WME))
1037 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
5394af4d 1038
eccb8e8f 1039 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1040 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1041 set_sta_flag(sta, WLAN_STA_MFP);
1042 else
1043 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1044 }
b39c48fa 1045
07ba55d7 1046 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1047 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1048 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1049 else
1050 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1051 }
4fd6931e 1052
9041c1fa
AN		 1053 /* mark TDLS channel switch support, if the AP allows it */
1054 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1055 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1056 params->ext_capab_len >= 4 &&
1057 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1058 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1059
3b9ce80c
JB		 1060 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1061 sta->sta.uapsd_queues = params->uapsd_queues;
1062 sta->sta.max_sp = params->max_sp;
1063 }
9533b4ac 1064
51b50fbe
JB		 1065 /*
1066 * cfg80211 validates this (1-2007) and allows setting the AID
1067 * only when creating a new station entry
1068 */
1069 if (params->aid)
1070 sta->sta.aid = params->aid;
1071
73651ee6 1072 /*
ba23d206
JB		 1073 * Some of the following updates would be racy if called on an
1074 * existing station, via ieee80211_change_station(). However,
1075 * all such changes are rejected by cfg80211 except for updates
1076 * changing the supported rates on an existing but not yet used
1077 * TDLS peer.
73651ee6
JB		 1078 */
1079
4fd6931e
JB		 1080 if (params->listen_interval >= 0)
1081 sta->listen_interval = params->listen_interval;
1082
1083 if (params->supported_rates) {
2103dec1
SW		 1084 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1085 sband, params->supported_rates,
1086 params->supported_rates_len,
1087 &sta->sta.supp_rates[band]);
4fd6931e 1088 }
c5dd9c2b 1089
d9fe60de 1090 if (params->ht_capa)
ef96a842 1091 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1092 params->ht_capa, sta);
36aedc90 1093
f461be3e
MP		 1094 if (params->vht_capa)
1095 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1096 params->vht_capa, sta);
f461be3e 1097
b1bce14a 1098 if (params->opmode_notif_used) {
b1bce14a
MK		 1099 /* returned value is only needed for rc update, but the
1100 * rc isn't initialized here yet, so ignore it
1101 */
1102 __ieee80211_vht_handle_opmode(sdata, sta,
1103 params->opmode_notif,
1104 band, false);
1105 }
1106
9c3990aa 1107 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1108#ifdef CONFIG_MAC80211_MESH
39886b61 1109 u32 changed = 0;
77ee7c89
JB		 1110
1111 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1112 switch (params->plink_state) {
57cf8043 1113 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1114 if (sta->plink_state != NL80211_PLINK_ESTAB)
1115 changed = mesh_plink_inc_estab_count(
1116 sdata);
1117 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1118
1119 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1120 changed |= ieee80211_mps_set_sta_local_pm(sta,
1121 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1122 break;
1123 case NL80211_PLINK_LISTEN:
57cf8043 1124 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1125 case NL80211_PLINK_OPN_SNT:
1126 case NL80211_PLINK_OPN_RCVD:
1127 case NL80211_PLINK_CNF_RCVD:
1128 case NL80211_PLINK_HOLDING:
1129 if (sta->plink_state == NL80211_PLINK_ESTAB)
1130 changed = mesh_plink_dec_estab_count(
1131 sdata);
9c3990aa 1132 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1133
1134 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1135 changed |= ieee80211_mps_set_sta_local_pm(sta,
1136 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1137 break;
1138 default:
1139 /* nothing */
1140 break;
1141 }
77ee7c89
JB		 1142 }
1143
1144 switch (params->plink_action) {
1145 case NL80211_PLINK_ACTION_NO_ACTION:
1146 /* nothing */
1147 break;
1148 case NL80211_PLINK_ACTION_OPEN:
1149 changed |= mesh_plink_open(sta);
1150 break;
1151 case NL80211_PLINK_ACTION_BLOCK:
1152 changed |= mesh_plink_block(sta);
1153 break;
1617bab8 1154 }
3f52b7e3
MP		 1155
1156 if (params->local_pm)
39886b61
TP		 1157 changed |=
1158 ieee80211_mps_set_sta_local_pm(sta,
1159 params->local_pm);
6c751ef8 1160 ieee80211_mbss_info_change_notify(sdata, changed);
4daf50f2 1161#endif
902acc78 1162 }
d9a7ddb0 1163
68885a54
AN		 1164 /* set the STA state after all sta info from usermode has been set */
1165 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1166 ret = sta_apply_auth_flags(local, sta, mask, set);
1167 if (ret)
1168 return ret;
1169 }
1170
d9a7ddb0 1171 return 0;
4fd6931e
JB		 1172}
1173
1174static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1175 const u8 *mac,
1176 struct station_parameters *params)
4fd6931e 1177{
14db74bc 1178 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1179 struct sta_info *sta;
1180 struct ieee80211_sub_if_data *sdata;
73651ee6 1181 int err;
b8d476c8 1182 int layer2_update;
4fd6931e 1183
4fd6931e
JB		 1184 if (params->vlan) {
1185 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1186
05c914fe
JB		 1187 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1188 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1189 return -EINVAL;
1190 } else
1191 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1192
b203ca39 1193 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1194 return -EINVAL;
1195
1196 if (is_multicast_ether_addr(mac))
1197 return -EINVAL;
1198
1199 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1200 if (!sta)
1201 return -ENOMEM;
4fd6931e 1202
d582cffb
JB		 1203 /*
1204 * defaults -- if userspace wants something else we'll
1205 * change it accordingly in sta_apply_parameters()
1206 */
77ee7c89
JB		 1207 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1208 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1209 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
0c4972cc
AN		 1210 } else {
1211 sta->sta.tdls = true;
77ee7c89 1212 }
4fd6931e 1213
d9a7ddb0
JB		 1214 err = sta_apply_parameters(local, sta, params);
1215 if (err) {
1216 sta_info_free(local, sta);
1217 return err;
1218 }
4fd6931e 1219
d64cf63e 1220 /*
77ee7c89
JB		 1221 * for TDLS, rate control should be initialized only when
1222 * rates are known and station is marked authorized
d64cf63e
AN		 1223 */
1224 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1225 rate_control_rate_init(sta);
4fd6931e 1226
b8d476c8
JM		 1227 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1228 sdata->vif.type == NL80211_IFTYPE_AP;
1229
34e89507 1230 err = sta_info_insert_rcu(sta);
73651ee6 1231 if (err) {
73651ee6
JB		 1232 rcu_read_unlock();
1233 return err;
1234 }
1235
b8d476c8 1236 if (layer2_update)
73651ee6
JB		 1237 ieee80211_send_layer2_update(sta);
1238
1239 rcu_read_unlock();
1240
4fd6931e
JB		 1241 return 0;
1242}
1243
1244static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1245 struct station_del_parameters *params)
4fd6931e 1246{
14db74bc 1247 struct ieee80211_sub_if_data *sdata;
4fd6931e 1248
14db74bc
JB		 1249 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1250
89c771e5
JM		 1251 if (params->mac)
1252 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1253
b998e8bb 1254 sta_info_flush(sdata);
4fd6931e
JB		 1255 return 0;
1256}
1257
1258static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1259 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1260 struct station_parameters *params)
1261{
abe60632 1262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1263 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1264 struct sta_info *sta;
1265 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1266 enum cfg80211_station_type statype;
35b88623 1267 int err;
4fd6931e 1268
87be1e1e 1269 mutex_lock(&local->sta_mtx);
98dd6a57 1270
0e5ded5a 1271 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1272 if (!sta) {
77ee7c89
JB		 1273 err = -ENOENT;
1274 goto out_err;
98dd6a57 1275 }
4fd6931e 1276
77ee7c89
JB		 1277 switch (sdata->vif.type) {
1278 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1279 if (sdata->u.mesh.user_mpm)
eef941e6 1280 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1281 else
eef941e6 1282 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1283 break;
1284 case NL80211_IFTYPE_ADHOC:
1285 statype = CFG80211_STA_IBSS;
1286 break;
1287 case NL80211_IFTYPE_STATION:
1288 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1289 statype = CFG80211_STA_AP_STA;
1290 break;
1291 }
1292 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1293 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1294 else
1295 statype = CFG80211_STA_TDLS_PEER_SETUP;
1296 break;
1297 case NL80211_IFTYPE_AP:
1298 case NL80211_IFTYPE_AP_VLAN:
1299 statype = CFG80211_STA_AP_CLIENT;
1300 break;
1301 default:
1302 err = -EOPNOTSUPP;
1303 goto out_err;
bdd90d5e
JB		 1304 }
1305
77ee7c89
JB		 1306 err = cfg80211_check_station_change(wiphy, params, statype);
1307 if (err)
1308 goto out_err;
1309
d0709a65 1310 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1311 bool prev_4addr = false;
1312 bool new_4addr = false;
1313
4fd6931e
JB		 1314 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1315
9bc383de 1316 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1317 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1318 err = -EBUSY;
1319 goto out_err;
3305443c 1320 }
f14543ee 1321
cf778b00 1322 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1323 new_4addr = true;
1324 }
1325
1326 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1327 sta->sdata->u.vlan.sta) {
0c2bef46 1328 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
7e3ed02c 1329 prev_4addr = true;
f14543ee
FF		 1330 }
1331
14db74bc 1332 sta->sdata = vlansdata;
7e3ed02c
FF		 1333
1334 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1335 prev_4addr != new_4addr) {
1336 if (new_4addr)
1337 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1338 else
1339 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1340 }
1341
4fd6931e
JB		 1342 ieee80211_send_layer2_update(sta);
1343 }
1344
35b88623 1345 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1346 if (err)
1347 goto out_err;
4fd6931e 1348
77ee7c89
JB		 1349 /* When peer becomes authorized, init rate control as well */
1350 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1351 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1352 rate_control_rate_init(sta);
1353
87be1e1e 1354 mutex_unlock(&local->sta_mtx);
98dd6a57 1355
687da132
EG		 1356 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1357 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1358 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1359 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1360 sta_info_tx_streams(sta) != 1) {
1361 ht_dbg(sta->sdata,
1362 "%pM just authorized and MIMO capable - update SMPS\n",
1363 sta->sta.addr);
1364 ieee80211_send_smps_action(sta->sdata,
1365 sta->sdata->bss->req_smps,
1366 sta->sta.addr,
1367 sta->sdata->vif.bss_conf.bssid);
1368 }
1369
808118cb 1370 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1371 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1372 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1373 ieee80211_recalc_ps_vif(sdata);
1374 }
77ee7c89 1375
4fd6931e 1376 return 0;
77ee7c89
JB		 1377out_err:
1378 mutex_unlock(&local->sta_mtx);
1379 return err;
4fd6931e
JB		 1380}
1381
c5dd9c2b
LCC		 1382#ifdef CONFIG_MAC80211_MESH
1383static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1384 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1385{
14db74bc 1386 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1387 struct mesh_path *mpath;
1388 struct sta_info *sta;
c5dd9c2b 1389
14db74bc
JB		 1390 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1391
d0709a65 1392 rcu_read_lock();
abe60632 1393 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1394 if (!sta) {
1395 rcu_read_unlock();
c5dd9c2b 1396 return -ENOENT;
d0709a65 1397 }
c5dd9c2b 1398
ae76eef0
BC		 1399 mpath = mesh_path_add(sdata, dst);
1400 if (IS_ERR(mpath)) {
d0709a65 1401 rcu_read_unlock();
ae76eef0 1402 return PTR_ERR(mpath);
d0709a65 1403 }
c5dd9c2b 1404
c5dd9c2b 1405 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1406
c5dd9c2b
LCC		 1407 rcu_read_unlock();
1408 return 0;
1409}
1410
1411static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1412 const u8 *dst)
c5dd9c2b 1413{
f698d856
JBG		 1414 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1415
c5dd9c2b 1416 if (dst)
bf7cd94d 1417 return mesh_path_del(sdata, dst);
c5dd9c2b 1418
ece1a2e7 1419 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1420 return 0;
1421}
1422
3b3a0162
JB		 1423static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1424 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1425{
14db74bc 1426 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1427 struct mesh_path *mpath;
1428 struct sta_info *sta;
1429
14db74bc
JB		 1430 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1431
d0709a65
JB		 1432 rcu_read_lock();
1433
abe60632 1434 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1435 if (!sta) {
1436 rcu_read_unlock();
c5dd9c2b 1437 return -ENOENT;
d0709a65 1438 }
c5dd9c2b 1439
bf7cd94d 1440 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1441 if (!mpath) {
1442 rcu_read_unlock();
c5dd9c2b
LCC		 1443 return -ENOENT;
1444 }
1445
1446 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1447
c5dd9c2b
LCC		 1448 rcu_read_unlock();
1449 return 0;
1450}
1451
1452static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1453 struct mpath_info *pinfo)
1454{
a3836e02
JB		 1455 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1456
1457 if (next_hop_sta)
1458 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1459 else
1460 memset(next_hop, 0, ETH_ALEN);
1461
7ce8c7a3
LAYS		 1462 memset(pinfo, 0, sizeof(*pinfo));
1463
f5ea9120
JB		 1464 pinfo->generation = mesh_paths_generation;
1465
c5dd9c2b 1466 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1467 MPATH_INFO_SN |
c5dd9c2b
LCC		 1468 MPATH_INFO_METRIC |
1469 MPATH_INFO_EXPTIME |
1470 MPATH_INFO_DISCOVERY_TIMEOUT |
1471 MPATH_INFO_DISCOVERY_RETRIES |
1472 MPATH_INFO_FLAGS;
1473
1474 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1475 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1476 pinfo->metric = mpath->metric;
1477 if (time_before(jiffies, mpath->exp_time))
1478 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1479 pinfo->discovery_timeout =
1480 jiffies_to_msecs(mpath->discovery_timeout);
1481 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1482 if (mpath->flags & MESH_PATH_ACTIVE)
1483 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1484 if (mpath->flags & MESH_PATH_RESOLVING)
1485 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1486 if (mpath->flags & MESH_PATH_SN_VALID)
1487 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1488 if (mpath->flags & MESH_PATH_FIXED)
1489 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1490 if (mpath->flags & MESH_PATH_RESOLVED)
1491 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1492}
1493
1494static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1495 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1496
1497{
14db74bc 1498 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1499 struct mesh_path *mpath;
1500
14db74bc
JB		 1501 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1502
c5dd9c2b 1503 rcu_read_lock();
bf7cd94d 1504 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1505 if (!mpath) {
1506 rcu_read_unlock();
1507 return -ENOENT;
1508 }
1509 memcpy(dst, mpath->dst, ETH_ALEN);
1510 mpath_set_pinfo(mpath, next_hop, pinfo);
1511 rcu_read_unlock();
1512 return 0;
1513}
1514
1515static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1516 int idx, u8 *dst, u8 *next_hop,
1517 struct mpath_info *pinfo)
c5dd9c2b 1518{
14db74bc 1519 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1520 struct mesh_path *mpath;
1521
14db74bc
JB		 1522 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1523
c5dd9c2b 1524 rcu_read_lock();
bf7cd94d 1525 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1526 if (!mpath) {
1527 rcu_read_unlock();
1528 return -ENOENT;
1529 }
1530 memcpy(dst, mpath->dst, ETH_ALEN);
1531 mpath_set_pinfo(mpath, next_hop, pinfo);
1532 rcu_read_unlock();
1533 return 0;
1534}
93da9cc1 1535
a2db2ed3
HR		 1536static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1537 struct mpath_info *pinfo)
1538{
1539 memset(pinfo, 0, sizeof(*pinfo));
1540 memcpy(mpp, mpath->mpp, ETH_ALEN);
1541
1542 pinfo->generation = mpp_paths_generation;
1543}
1544
1545static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1546 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1547
1548{
1549 struct ieee80211_sub_if_data *sdata;
1550 struct mesh_path *mpath;
1551
1552 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1553
1554 rcu_read_lock();
1555 mpath = mpp_path_lookup(sdata, dst);
1556 if (!mpath) {
1557 rcu_read_unlock();
1558 return -ENOENT;
1559 }
1560 memcpy(dst, mpath->dst, ETH_ALEN);
1561 mpp_set_pinfo(mpath, mpp, pinfo);
1562 rcu_read_unlock();
1563 return 0;
1564}
1565
1566static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1567 int idx, u8 *dst, u8 *mpp,
1568 struct mpath_info *pinfo)
1569{
1570 struct ieee80211_sub_if_data *sdata;
1571 struct mesh_path *mpath;
1572
1573 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1574
1575 rcu_read_lock();
1576 mpath = mpp_path_lookup_by_idx(sdata, idx);
1577 if (!mpath) {
1578 rcu_read_unlock();
1579 return -ENOENT;
1580 }
1581 memcpy(dst, mpath->dst, ETH_ALEN);
1582 mpp_set_pinfo(mpath, mpp, pinfo);
1583 rcu_read_unlock();
1584 return 0;
1585}
1586
24bdd9f4 1587static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1588 struct net_device *dev,
1589 struct mesh_config *conf)
1590{
1591 struct ieee80211_sub_if_data *sdata;
1592 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1593
93da9cc1 1594 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1595 return 0;
1596}
1597
1598static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1599{
1600 return (mask >> (parm-1)) & 0x1;
1601}
1602
c80d545d
JC		 1603static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1604 const struct mesh_setup *setup)
1605{
1606 u8 *new_ie;
1607 const u8 *old_ie;
4bb62344
CYY		 1608 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1609 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1610
581a8b0f 1611 /* allocate information elements */
c80d545d 1612 new_ie = NULL;
581a8b0f 1613 old_ie = ifmsh->ie;
c80d545d 1614
581a8b0f
JC		 1615 if (setup->ie_len) {
1616 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1617 GFP_KERNEL);
1618 if (!new_ie)
1619 return -ENOMEM;
1620 }
581a8b0f
JC		 1621 ifmsh->ie_len = setup->ie_len;
1622 ifmsh->ie = new_ie;
1623 kfree(old_ie);
c80d545d
JC		 1624
1625 /* now copy the rest of the setup parameters */
1626 ifmsh->mesh_id_len = setup->mesh_id_len;
1627 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1628 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1629 ifmsh->mesh_pp_id = setup->path_sel_proto;
1630 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1631 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1632 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1633 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1634 if (setup->is_authenticated)
1635 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1636 if (setup->is_secure)
1637 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1638
4bb62344
CYY		 1639 /* mcast rate setting in Mesh Node */
1640 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1641 sizeof(setup->mcast_rate));
ffb3cf30 1642 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1643
9bdbf04d
MP		 1644 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1645 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1646
c80d545d
JC		 1647 return 0;
1648}
1649
24bdd9f4 1650static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1651 struct net_device *dev, u32 mask,
1652 const struct mesh_config *nconf)
93da9cc1 1653{
1654 struct mesh_config *conf;
1655 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1656 struct ieee80211_if_mesh *ifmsh;
1657
93da9cc1 1658 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1659 ifmsh = &sdata->u.mesh;
93da9cc1 1660
93da9cc1 1661 /* Set the config options which we are interested in setting */
1662 conf = &(sdata->u.mesh.mshcfg);
1663 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1664 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1665 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1666 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1667 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1668 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1669 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1670 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1671 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1672 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1673 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1674 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1675 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1676 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1677 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1678 if (ifmsh->user_mpm)
1679 return -EBUSY;
93da9cc1 1680 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1681 }
d299a1f2
JC		 1682 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1683 conf->dot11MeshNbrOffsetMaxNeighbor =
1684 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1685 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1686 conf->dot11MeshHWMPmaxPREQretries =
1687 nconf->dot11MeshHWMPmaxPREQretries;
1688 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1689 conf->path_refresh_time = nconf->path_refresh_time;
1690 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1691 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1692 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1693 conf->dot11MeshHWMPactivePathTimeout =
1694 nconf->dot11MeshHWMPactivePathTimeout;
1695 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1696 conf->dot11MeshHWMPpreqMinInterval =
1697 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1698 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1699 conf->dot11MeshHWMPperrMinInterval =
1700 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1701 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1702 mask))
1703 conf->dot11MeshHWMPnetDiameterTraversalTime =
1704 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1705 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1706 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1707 ieee80211_mesh_root_setup(ifmsh);
1708 }
16dd7267 1709 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1710 /* our current gate announcement implementation rides on root
1711 * announcements, so require this ifmsh to also be a root node
1712 * */
1713 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1714 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1715 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1716 ieee80211_mesh_root_setup(ifmsh);
1717 }
16dd7267
JC		 1718 conf->dot11MeshGateAnnouncementProtocol =
1719 nconf->dot11MeshGateAnnouncementProtocol;
1720 }
a4f606ea 1721 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1722 conf->dot11MeshHWMPRannInterval =
1723 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1724 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1725 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1726 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1727 /* our RSSI threshold implementation is supported only for
1728 * devices that report signal in dBm.
1729 */
1730 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1731 return -ENOTSUPP;
1732 conf->rssi_threshold = nconf->rssi_threshold;
1733 }
70c33eaa
AN		 1734 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1735 conf->ht_opmode = nconf->ht_opmode;
1736 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1737 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1738 }
ac1073a6
CYY		 1739 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1740 conf->dot11MeshHWMPactivePathToRootTimeout =
1741 nconf->dot11MeshHWMPactivePathToRootTimeout;
1742 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1743 conf->dot11MeshHWMProotInterval =
1744 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1745 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1746 conf->dot11MeshHWMPconfirmationInterval =
1747 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1748 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1749 conf->power_mode = nconf->power_mode;
1750 ieee80211_mps_local_status_update(sdata);
1751 }
2b5e1967 1752 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1753 conf->dot11MeshAwakeWindowDuration =
1754 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1755 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1756 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1757 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1758 return 0;
1759}
1760
29cbe68c
JB		 1761static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1762 const struct mesh_config *conf,
1763 const struct mesh_setup *setup)
1764{
1765 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1766 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1767 int err;
29cbe68c 1768
c80d545d
JC		 1769 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1770 err = copy_mesh_setup(ifmsh, setup);
1771 if (err)
1772 return err;
cc1d2806 1773
04ecd257
JB		 1774 /* can mesh use other SMPS modes? */
1775 sdata->smps_mode = IEEE80211_SMPS_OFF;
1776 sdata->needed_rx_chains = sdata->local->rx_chains;
1777
34a3740d 1778 mutex_lock(&sdata->local->mtx);
4bf88530 1779 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1780 IEEE80211_CHANCTX_SHARED);
34a3740d 1781 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1782 if (err)
1783 return err;
1784
2b5e1967 1785 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1786}
1787
1788static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1789{
1790 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1791
1792 ieee80211_stop_mesh(sdata);
34a3740d 1793 mutex_lock(&sdata->local->mtx);
55de908a 1794 ieee80211_vif_release_channel(sdata);
34a3740d 1795 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 1796
1797 return 0;
1798}
c5dd9c2b
LCC		 1799#endif
1800
9f1ba906
JM		 1801static int ieee80211_change_bss(struct wiphy *wiphy,
1802 struct net_device *dev,
1803 struct bss_parameters *params)
1804{
55de908a
JB		 1805 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1806 enum ieee80211_band band;
9f1ba906
JM		 1807 u32 changed = 0;
1808
7ca133bc 1809 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1810 return -ENOENT;
1811
1812 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1813
9f1ba906 1814 if (params->use_cts_prot >= 0) {
bda3933a 1815 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1816 changed |= BSS_CHANGED_ERP_CTS_PROT;
1817 }
1818 if (params->use_short_preamble >= 0) {
bda3933a 1819 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1820 params->use_short_preamble;
1821 changed |= BSS_CHANGED_ERP_PREAMBLE;
1822 }
43d35343
FF		 1823
1824 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1825 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1826 sdata->vif.bss_conf.use_short_slot = true;
1827 changed |= BSS_CHANGED_ERP_SLOT;
1828 }
1829
9f1ba906 1830 if (params->use_short_slot_time >= 0) {
bda3933a 1831 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1832 params->use_short_slot_time;
1833 changed |= BSS_CHANGED_ERP_SLOT;
1834 }
1835
90c97a04 1836 if (params->basic_rates) {
2103dec1
SW		 1837 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1838 wiphy->bands[band],
1839 params->basic_rates,
1840 params->basic_rates_len,
1841 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1842 changed |= BSS_CHANGED_BASIC_RATES;
1843 }
1844
7b7b5e56
FF		 1845 if (params->ap_isolate >= 0) {
1846 if (params->ap_isolate)
1847 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1848 else
1849 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1850 }
1851
80d7e403
HS		 1852 if (params->ht_opmode >= 0) {
1853 sdata->vif.bss_conf.ht_operation_mode =
1854 (u16) params->ht_opmode;
1855 changed |= BSS_CHANGED_HT;
1856 }
1857
339afbf4 1858 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1859 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1860 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1861 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1862 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1863 changed |= BSS_CHANGED_P2P_PS;
1864 }
1865
67baf663
JD		 1866 if (params->p2p_opp_ps > 0) {
1867 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1868 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1869 changed |= BSS_CHANGED_P2P_PS;
1870 } else if (params->p2p_opp_ps == 0) {
1871 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1872 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1873 changed |= BSS_CHANGED_P2P_PS;
1874 }
1875
9f1ba906
JM		 1876 ieee80211_bss_info_change_notify(sdata, changed);
1877
1878 return 0;
1879}
1880
31888487 1881static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1882 struct net_device *dev,
31888487
JM		 1883 struct ieee80211_txq_params *params)
1884{
1885 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1886 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1887 struct ieee80211_tx_queue_params p;
1888
1889 if (!local->ops->conf_tx)
1890 return -EOPNOTSUPP;
1891
54bcbc69
JB		 1892 if (local->hw.queues < IEEE80211_NUM_ACS)
1893 return -EOPNOTSUPP;
1894
31888487
JM		 1895 memset(&p, 0, sizeof(p));
1896 p.aifs = params->aifs;
1897 p.cw_max = params->cwmax;
1898 p.cw_min = params->cwmin;
1899 p.txop = params->txop;
ab13315a
KV		 1900
1901 /*
1902 * Setting tx queue params disables u-apsd because it's only
1903 * called in master mode.
1904 */
1905 p.uapsd = false;
1906
a3304b0a
JB		 1907 sdata->tx_conf[params->ac] = p;
1908 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1909 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1910 "failed to set TX queue parameters for AC %d\n",
1911 params->ac);
31888487
JM		 1912 return -EINVAL;
1913 }
1914
7d25745d
JB		 1915 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1916
31888487
JM		 1917 return 0;
1918}
1919
665af4fc 1920#ifdef CONFIG_PM
ff1b6e69
JB		 1921static int ieee80211_suspend(struct wiphy *wiphy,
1922 struct cfg80211_wowlan *wowlan)
665af4fc 1923{
eecc4800 1924 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1925}
1926
1927static int ieee80211_resume(struct wiphy *wiphy)
1928{
1929 return __ieee80211_resume(wiphy_priv(wiphy));
1930}
1931#else
1932#define ieee80211_suspend NULL
1933#define ieee80211_resume NULL
1934#endif
1935
2a519311 1936static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1937 struct cfg80211_scan_request *req)
1938{
fd014284
JB		 1939 struct ieee80211_sub_if_data *sdata;
1940
1941 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1942
2ca27bcf
JB		 1943 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1944 case NL80211_IFTYPE_STATION:
1945 case NL80211_IFTYPE_ADHOC:
1946 case NL80211_IFTYPE_MESH_POINT:
1947 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1948 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1949 break;
1950 case NL80211_IFTYPE_P2P_GO:
1951 if (sdata->local->ops->hw_scan)
1952 break;
e9d7732e
JB		 1953 /*
1954 * FIXME: implement NoA while scanning in software,
1955 * for now fall through to allow scanning only when
1956 * beaconing hasn't been configured yet
1957 */
2ca27bcf 1958 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1959 /*
1960 * If the scan has been forced (and the driver supports
1961 * forcing), don't care about being beaconing already.
1962 * This will create problems to the attached stations (e.g. all
1963 * the frames sent while scanning on other channel will be
1964 * lost)
1965 */
1966 if (sdata->u.ap.beacon &&
1967 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1968 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 1969 return -EOPNOTSUPP;
1970 break;
1971 default:
1972 return -EOPNOTSUPP;
1973 }
2a519311
JB		 1974
1975 return ieee80211_request_scan(sdata, req);
1976}
1977
79f460ca
LC		 1978static int
1979ieee80211_sched_scan_start(struct wiphy *wiphy,
1980 struct net_device *dev,
1981 struct cfg80211_sched_scan_request *req)
1982{
1983 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1984
1985 if (!sdata->local->ops->sched_scan_start)
1986 return -EOPNOTSUPP;
1987
1988 return ieee80211_request_sched_scan_start(sdata, req);
1989}
1990
1991static int
85a9994a 1992ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1993{
1994 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1995
1996 if (!sdata->local->ops->sched_scan_stop)
1997 return -EOPNOTSUPP;
1998
85a9994a 1999 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2000}
2001
636a5d36
JM		 2002static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2003 struct cfg80211_auth_request *req)
2004{
77fdaa12 2005 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2006}
2007
2008static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2009 struct cfg80211_assoc_request *req)
2010{
77fdaa12 2011 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2012}
2013
2014static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2015 struct cfg80211_deauth_request *req)
636a5d36 2016{
63c9c5e7 2017 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2018}
2019
2020static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2021 struct cfg80211_disassoc_request *req)
636a5d36 2022{
63c9c5e7 2023 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2024}
2025
af8cdcd8
JB		 2026static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2027 struct cfg80211_ibss_params *params)
2028{
55de908a 2029 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2030}
2031
2032static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2033{
55de908a 2034 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2035}
2036
239281f8
RL		 2037static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2038 struct ocb_setup *setup)
2039{
2040 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2041}
2042
2043static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2044{
2045 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2046}
2047
391e53e3
AQ		 2048static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2049 int rate[IEEE80211_NUM_BANDS])
2050{
2051 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2052
9887dbf5
CD		 2053 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2054 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2055
2056 return 0;
2057}
2058
b9a5f8ca
JM		 2059static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2060{
2061 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2062 int err;
b9a5f8ca 2063
f23a4780
AN		 2064 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2065 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2066
2067 if (err)
2068 return err;
2069 }
2070
a4bcaf55
LB		 2071 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2072 (changed & WIPHY_PARAM_DYN_ACK)) {
2073 s16 coverage_class;
2074
2075 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2076 wiphy->coverage_class : -1;
2077 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2078
2079 if (err)
2080 return err;
2081 }
2082
b9a5f8ca 2083 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2084 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2085
24487981
JB		 2086 if (err)
2087 return err;
b9a5f8ca
JM		 2088 }
2089
8bc83c24
JB		 2090 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2091 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2092 return -EINVAL;
b9a5f8ca 2093 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2094 }
2095 if (changed & WIPHY_PARAM_RETRY_LONG) {
2096 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2097 return -EINVAL;
b9a5f8ca 2098 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2099 }
b9a5f8ca
JM		 2100 if (changed &
2101 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2102 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2103
2104 return 0;
2105}
2106
7643a2c3 2107static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2108 struct wireless_dev *wdev,
fa61cf70 2109 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2110{
2111 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2112 struct ieee80211_sub_if_data *sdata;
7643a2c3 2113
1ea6f9c0
JB		 2114 if (wdev) {
2115 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2116
2117 switch (type) {
2118 case NL80211_TX_POWER_AUTOMATIC:
2119 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2120 break;
2121 case NL80211_TX_POWER_LIMITED:
2122 case NL80211_TX_POWER_FIXED:
2123 if (mbm < 0 || (mbm % 100))
2124 return -EOPNOTSUPP;
2125 sdata->user_power_level = MBM_TO_DBM(mbm);
2126 break;
2127 }
2128
2129 ieee80211_recalc_txpower(sdata);
2130
2131 return 0;
2132 }
55de908a 2133
7643a2c3 2134 switch (type) {
fa61cf70 2135 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2136 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2137 break;
fa61cf70 2138 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2139 case NL80211_TX_POWER_FIXED:
2140 if (mbm < 0 || (mbm % 100))
2141 return -EOPNOTSUPP;
fa61cf70 2142 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2143 break;
7643a2c3
JB		 2144 }
2145
1ea6f9c0
JB		 2146 mutex_lock(&local->iflist_mtx);
2147 list_for_each_entry(sdata, &local->interfaces, list)
2148 sdata->user_power_level = local->user_power_level;
2149 list_for_each_entry(sdata, &local->interfaces, list)
2150 ieee80211_recalc_txpower(sdata);
2151 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2152
2153 return 0;
2154}
2155
c8442118
JB		 2156static int ieee80211_get_tx_power(struct wiphy *wiphy,
2157 struct wireless_dev *wdev,
2158 int *dbm)
7643a2c3
JB		 2159{
2160 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2161 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2162
5b3dc42b
FF		 2163 if (local->ops->get_txpower)
2164 return drv_get_txpower(local, sdata, dbm);
2165
1ea6f9c0
JB		 2166 if (!local->use_chanctx)
2167 *dbm = local->hw.conf.power_level;
2168 else
2169 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2170
7643a2c3
JB		 2171 return 0;
2172}
2173
ab737a4f 2174static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2175 const u8 *addr)
ab737a4f
JB		 2176{
2177 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2178
2179 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2180
2181 return 0;
2182}
2183
1f87f7d3
JB		 2184static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2185{
2186 struct ieee80211_local *local = wiphy_priv(wiphy);
2187
2188 drv_rfkill_poll(local);
2189}
2190
aff89a9b 2191#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2192static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2193 struct wireless_dev *wdev,
2194 void *data, int len)
aff89a9b
JB		 2195{
2196 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2197 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2198
2199 if (!local->ops->testmode_cmd)
2200 return -EOPNOTSUPP;
2201
52981cd7
DS		 2202 if (wdev) {
2203 struct ieee80211_sub_if_data *sdata;
2204
2205 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2206 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2207 vif = &sdata->vif;
2208 }
2209
2210 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2211}
71063f0e
WYG		 2212
2213static int ieee80211_testmode_dump(struct wiphy *wiphy,
2214 struct sk_buff *skb,
2215 struct netlink_callback *cb,
2216 void *data, int len)
2217{
2218 struct ieee80211_local *local = wiphy_priv(wiphy);
2219
2220 if (!local->ops->testmode_dump)
2221 return -EOPNOTSUPP;
2222
2223 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2224}
aff89a9b
JB		 2225#endif
2226
687da132
EG		 2227int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2228 enum ieee80211_smps_mode smps_mode)
2229{
2230 struct sta_info *sta;
2231 enum ieee80211_smps_mode old_req;
2232 int i;
2233
2234 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2235 return -EINVAL;
2236
2237 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2238 return 0;
2239
2240 old_req = sdata->u.ap.req_smps;
2241 sdata->u.ap.req_smps = smps_mode;
2242
2243 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2244 if (old_req == smps_mode ||
2245 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2246 return 0;
2247
2248 /* If no associated stations, there's no need to do anything */
2249 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2250 sdata->smps_mode = smps_mode;
2251 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2252 return 0;
2253 }
2254
2255 ht_dbg(sdata,
2256 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2257 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2258
2259 mutex_lock(&sdata->local->sta_mtx);
2260 for (i = 0; i < STA_HASH_SIZE; i++) {
2261 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2262 lockdep_is_held(&sdata->local->sta_mtx));
2263 sta;
2264 sta = rcu_dereference_protected(sta->hnext,
2265 lockdep_is_held(&sdata->local->sta_mtx))) {
2266 /*
2267 * Only stations associated to our AP and
2268 * associated VLANs
2269 */
2270 if (sta->sdata->bss != &sdata->u.ap)
2271 continue;
2272
2273 /* This station doesn't support MIMO - skip it */
2274 if (sta_info_tx_streams(sta) == 1)
2275 continue;
2276
2277 /*
2278 * Don't wake up a STA just to send the action frame
2279 * unless we are getting more restrictive.
2280 */
2281 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2282 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2283 smps_mode)) {
2284 ht_dbg(sdata,
2285 "Won't send SMPS to sleeping STA %pM\n",
2286 sta->sta.addr);
2287 continue;
2288 }
2289
2290 /*
2291 * If the STA is not authorized, wait until it gets
2292 * authorized and the action frame will be sent then.
2293 */
2294 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2295 continue;
2296
2297 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2298 ieee80211_send_smps_action(sdata, smps_mode,
2299 sta->sta.addr,
2300 sdata->vif.bss_conf.bssid);
2301 }
2302 }
2303 mutex_unlock(&sdata->local->sta_mtx);
2304
2305 sdata->smps_mode = smps_mode;
2306 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2307
2308 return 0;
2309}
2310
2311int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2312 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2313{
2314 const u8 *ap;
2315 enum ieee80211_smps_mode old_req;
2316 int err;
2317
8d61ffa5 2318 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2319
687da132
EG		 2320 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2321 return -EINVAL;
2322
0f78231b
JB		 2323 old_req = sdata->u.mgd.req_smps;
2324 sdata->u.mgd.req_smps = smps_mode;
2325
2326 if (old_req == smps_mode &&
2327 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2328 return 0;
2329
2330 /*
2331 * If not associated, or current association is not an HT
04ecd257
JB		 2332 * association, there's no need to do anything, just store
2333 * the new value until we associate.
0f78231b
JB		 2334 */
2335 if (!sdata->u.mgd.associated ||
4bf88530 2336 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2337 return 0;
0f78231b 2338
0c1ad2ca 2339 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2340
2341 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2342 if (sdata->u.mgd.powersave)
2343 smps_mode = IEEE80211_SMPS_DYNAMIC;
2344 else
2345 smps_mode = IEEE80211_SMPS_OFF;
2346 }
2347
2348 /* send SM PS frame to AP */
2349 err = ieee80211_send_smps_action(sdata, smps_mode,
2350 ap, ap);
2351 if (err)
2352 sdata->u.mgd.req_smps = old_req;
2353
2354 return err;
2355}
2356
bc92afd9
JB		 2357static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2358 bool enabled, int timeout)
2359{
2360 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2361 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2362
2d3db210 2363 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2364 return -EOPNOTSUPP;
2365
bc92afd9
JB		 2366 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2367 return -EOPNOTSUPP;
2368
2369 if (enabled == sdata->u.mgd.powersave &&
ff616381 2370 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2371 return 0;
2372
2373 sdata->u.mgd.powersave = enabled;
ff616381 2374 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2375
0f78231b 2376 /* no change, but if automatic follow powersave */
ed405be5 2377 sdata_lock(sdata);
687da132 2378 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2379 sdata_unlock(sdata);
0f78231b 2380
bc92afd9
JB		 2381 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2382 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2383
2384 ieee80211_recalc_ps(local, -1);
ab095877 2385 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2386
2387 return 0;
2388}
2389
a97c13c3
JO		 2390static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2391 struct net_device *dev,
2392 s32 rssi_thold, u32 rssi_hyst)
2393{
2394 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2395 struct ieee80211_vif *vif = &sdata->vif;
2396 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2397
a97c13c3
JO		 2398 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2399 rssi_hyst == bss_conf->cqm_rssi_hyst)
2400 return 0;
2401
2402 bss_conf->cqm_rssi_thold = rssi_thold;
2403 bss_conf->cqm_rssi_hyst = rssi_hyst;
2404
2405 /* tell the driver upon association, unless already associated */
ea086359
JB		 2406 if (sdata->u.mgd.associated &&
2407 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2408 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2409
2410 return 0;
2411}
2412
9930380f
JB		 2413static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2414 struct net_device *dev,
2415 const u8 *addr,
2416 const struct cfg80211_bitrate_mask *mask)
2417{
2418 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2419 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2420 int i, ret;
2c7e6bc9 2421
554a43d5
EP		 2422 if (!ieee80211_sdata_running(sdata))
2423 return -ENETDOWN;
2424
bdbfd6b5
SM		 2425 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2426 ret = drv_set_bitrate_mask(local, sdata, mask);
2427 if (ret)
2428 return ret;
2429 }
9930380f 2430
19468413 2431 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2432 struct ieee80211_supported_band *sband = wiphy->bands[i];
2433 int j;
2434
37eb0b16 2435 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2436 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2437 sizeof(mask->control[i].ht_mcs));
2ffbe6d3
FF		 2438
2439 sdata->rc_has_mcs_mask[i] = false;
2440 if (!sband)
2441 continue;
2442
2443 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2444 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2445 sdata->rc_has_mcs_mask[i] = true;
2446 break;
2447 }
19468413 2448 }
9930380f 2449
37eb0b16 2450 return 0;
9930380f
JB		 2451}
2452
eaa336b0
EP		 2453static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2454 struct ieee80211_roc_work *new_roc,
2455 struct ieee80211_roc_work *cur_roc)
2456{
2457 unsigned long j = jiffies;
2458 unsigned long cur_roc_end = cur_roc->hw_start_time +
2459 msecs_to_jiffies(cur_roc->duration);
2460 struct ieee80211_roc_work *next_roc;
2461 int new_dur;
2462
2463 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2464 return false;
2465
2466 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2467 return false;
2468
2469 ieee80211_handle_roc_started(new_roc);
2470
2471 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2472
2473 /* cur_roc is long enough - add new_roc to the dependents list. */
2474 if (new_dur <= 0) {
2475 list_add_tail(&new_roc->list, &cur_roc->dependents);
2476 return true;
2477 }
2478
2479 new_roc->duration = new_dur;
2480
2481 /*
2482 * if cur_roc was already coalesced before, we might
2483 * want to extend the next roc instead of adding
2484 * a new one.
2485 */
2486 next_roc = list_entry(cur_roc->list.next,
2487 struct ieee80211_roc_work, list);
2488 if (&next_roc->list != &local->roc_list &&
2489 next_roc->chan == new_roc->chan &&
2490 next_roc->sdata == new_roc->sdata &&
2491 !WARN_ON(next_roc->started)) {
2492 list_add_tail(&new_roc->list, &next_roc->dependents);
2493 next_roc->duration = max(next_roc->duration,
2494 new_roc->duration);
2495 next_roc->type = max(next_roc->type, new_roc->type);
2496 return true;
2497 }
2498
2499 /* add right after cur_roc */
2500 list_add(&new_roc->list, &cur_roc->list);
2501
2502 return true;
2503}
2504
2eb278e0
JB		 2505static int ieee80211_start_roc_work(struct ieee80211_local *local,
2506 struct ieee80211_sub_if_data *sdata,
2507 struct ieee80211_channel *channel,
2eb278e0 2508 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2509 struct sk_buff *txskb,
2510 enum ieee80211_roc_type type)
2eb278e0
JB		 2511{
2512 struct ieee80211_roc_work *roc, *tmp;
2513 bool queued = false;
21f83589 2514 int ret;
21f83589
JB		 2515
2516 lockdep_assert_held(&local->mtx);
2517
fe57d9f5
JB		 2518 if (local->use_chanctx && !local->ops->remain_on_channel)
2519 return -EOPNOTSUPP;
2520
2eb278e0
JB		 2521 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2522 if (!roc)
2523 return -ENOMEM;
2524
2fae062e
IP		 2525 /*
2526 * If the duration is zero, then the driver
2527 * wouldn't actually do anything. Set it to
2528 * 10 for now.
2529 *
2530 * TODO: cancel the off-channel operation
2531 * when we get the SKB's TX status and
2532 * the wait time was zero before.
2533 */
2534 if (!duration)
2535 duration = 10;
2536
2eb278e0 2537 roc->chan = channel;
2eb278e0
JB		 2538 roc->duration = duration;
2539 roc->req_duration = duration;
2540 roc->frame = txskb;
d339d5ca 2541 roc->type = type;
2eb278e0
JB		 2542 roc->mgmt_tx_cookie = (unsigned long)txskb;
2543 roc->sdata = sdata;
2544 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2545 INIT_LIST_HEAD(&roc->dependents);
2546
2f617435
EP		 2547 /*
2548 * cookie is either the roc cookie (for normal roc)
2549 * or the SKB (for mgmt TX)
2550 */
2551 if (!txskb) {
2552 /* local->mtx protects this */
2553 local->roc_cookie_counter++;
2554 roc->cookie = local->roc_cookie_counter;
2555 /* wow, you wrapped 64 bits ... more likely a bug */
2556 if (WARN_ON(roc->cookie == 0)) {
2557 roc->cookie = 1;
2558 local->roc_cookie_counter++;
2559 }
2560 *cookie = roc->cookie;
2561 } else {
2562 *cookie = (unsigned long)txskb;
2563 }
2564
2eb278e0 2565 /* if there's one pending or we're scanning, queue this one */
164eb02d 2566 if (!list_empty(&local->roc_list) ||
5cbc95a7 2567 local->scanning || ieee80211_is_radar_required(local))
2eb278e0
JB		 2568 goto out_check_combine;
2569
2570 /* if not HW assist, just queue & schedule work */
2571 if (!local->ops->remain_on_channel) {
2572 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2573 goto out_queue;
2574 }
2575
2576 /* otherwise actually kick it off here (for error handling) */
2577
d339d5ca 2578 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2579 if (ret) {
2eb278e0
JB		 2580 kfree(roc);
2581 return ret;
21f83589
JB		 2582 }
2583
2eb278e0
JB		 2584 roc->started = true;
2585 goto out_queue;
2586
2587 out_check_combine:
2588 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2589 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2590 continue;
2591
2592 /*
2593 * Extend this ROC if possible:
2594 *
2595 * If it hasn't started yet, just increase the duration
2596 * and add the new one to the list of dependents.
d339d5ca
IP		 2597 * If the type of the new ROC has higher priority, modify the
2598 * type of the previous one to match that of the new one.
2eb278e0
JB		 2599 */
2600 if (!tmp->started) {
2601 list_add_tail(&roc->list, &tmp->dependents);
2602 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2603 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2604 queued = true;
2605 break;
2606 }
2607
2608 /* If it has already started, it's more difficult ... */
2609 if (local->ops->remain_on_channel) {
2eb278e0
JB		 2610 /*
2611 * In the offloaded ROC case, if it hasn't begun, add
2612 * this new one to the dependent list to be handled
d339d5ca 2613 * when the master one begins. If it has begun,
2eb278e0
JB		 2614 * check that there's still a minimum time left and
2615 * if so, start this one, transmitting the frame, but
d339d5ca 2616 * add it to the list directly after this one with
2eb278e0
JB		 2617 * a reduced time so we'll ask the driver to execute
2618 * it right after finishing the previous one, in the
2619 * hope that it'll also be executed right afterwards,
2620 * effectively extending the old one.
2621 * If there's no minimum time left, just add it to the
2622 * normal list.
d339d5ca
IP		 2623 * TODO: the ROC type is ignored here, assuming that it
2624 * is better to immediately use the current ROC.
2eb278e0
JB		 2625 */
2626 if (!tmp->hw_begun) {
2627 list_add_tail(&roc->list, &tmp->dependents);
2628 queued = true;
2629 break;
2630 }
2631
eaa336b0 2632 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2eb278e0 2633 queued = true;
2eb278e0
JB		 2634 } else if (del_timer_sync(&tmp->work.timer)) {
2635 unsigned long new_end;
2636
2637 /*
2638 * In the software ROC case, cancel the timer, if
2639 * that fails then the finish work is already
2640 * queued/pending and thus we queue the new ROC
2641 * normally, if that succeeds then we can extend
2642 * the timer duration and TX the frame (if any.)
2643 */
2644
2645 list_add_tail(&roc->list, &tmp->dependents);
2646 queued = true;
2647
2648 new_end = jiffies + msecs_to_jiffies(roc->duration);
2649
2650 /* ok, it was started & we canceled timer */
2651 if (time_after(new_end, tmp->work.timer.expires))
2652 mod_timer(&tmp->work.timer, new_end);
2653 else
2654 add_timer(&tmp->work.timer);
2655
2656 ieee80211_handle_roc_started(roc);
2657 }
2658 break;
2659 }
2660
2661 out_queue:
2662 if (!queued)
2663 list_add_tail(&roc->list, &local->roc_list);
2664
2eb278e0 2665 return 0;
21f83589
JB		 2666}
2667
b8bc4b0a 2668static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2669 struct wireless_dev *wdev,
b8bc4b0a 2670 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2671 unsigned int duration,
2672 u64 *cookie)
2673{
71bbc994 2674 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2675 struct ieee80211_local *local = sdata->local;
2eb278e0 2676 int ret;
21f83589 2677
2eb278e0 2678 mutex_lock(&local->mtx);
42d97a59 2679 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2680 duration, cookie, NULL,
2681 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2682 mutex_unlock(&local->mtx);
b8bc4b0a 2683
2eb278e0 2684 return ret;
b8bc4b0a
JB		 2685}
2686
2eb278e0
JB		 2687static int ieee80211_cancel_roc(struct ieee80211_local *local,
2688 u64 cookie, bool mgmt_tx)
21f83589 2689{
2eb278e0 2690 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2691 int ret;
2692
2eb278e0
JB		 2693 mutex_lock(&local->mtx);
2694 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2695 struct ieee80211_roc_work *dep, *tmp2;
2696
2697 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2698 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2699 continue;
2700 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2701 continue;
2702 /* found dependent item -- just remove it */
2703 list_del(&dep->list);
2704 mutex_unlock(&local->mtx);
2705
3fbd45ca 2706 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2707 return 0;
2708 }
2709
50febf6a 2710 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2711 continue;
2712 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2713 continue;
21f83589 2714
2eb278e0
JB		 2715 found = roc;
2716 break;
2717 }
21f83589 2718
2eb278e0
JB		 2719 if (!found) {
2720 mutex_unlock(&local->mtx);
2721 return -ENOENT;
2722 }
21f83589 2723
e979e33c
JB		 2724 /*
2725 * We found the item to cancel, so do that. Note that it
2726 * may have dependents, which we also cancel (and send
2727 * the expired signal for.) Not doing so would be quite
2728 * tricky here, but we may need to fix it later.
2729 */
2730
2eb278e0
JB		 2731 if (local->ops->remain_on_channel) {
2732 if (found->started) {
2733 ret = drv_cancel_remain_on_channel(local);
2734 if (WARN_ON_ONCE(ret)) {
2735 mutex_unlock(&local->mtx);
2736 return ret;
2737 }
2738 }
21f83589 2739
2eb278e0 2740 list_del(&found->list);
21f83589 2741
0f6b3f59
JB		 2742 if (found->started)
2743 ieee80211_start_next_roc(local);
2eb278e0 2744 mutex_unlock(&local->mtx);
21f83589 2745
3fbd45ca 2746 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2747 } else {
2748 /* work may be pending so use it all the time */
2749 found->abort = true;
2750 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2751
21f83589
JB		 2752 mutex_unlock(&local->mtx);
2753
2eb278e0
JB		 2754 /* work will clean up etc */
2755 flush_delayed_work(&found->work);
3fbd45ca
JB		 2756 WARN_ON(!found->to_be_freed);
2757 kfree(found);
21f83589 2758 }
b8bc4b0a 2759
2eb278e0 2760 return 0;
b8bc4b0a
JB		 2761}
2762
2eb278e0 2763static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2764 struct wireless_dev *wdev,
2eb278e0 2765 u64 cookie)
f30221e4 2766{
71bbc994 2767 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2768 struct ieee80211_local *local = sdata->local;
f30221e4 2769
2eb278e0 2770 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2771}
2772
164eb02d
SW		 2773static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2774 struct net_device *dev,
31559f35
JD		 2775 struct cfg80211_chan_def *chandef,
2776 u32 cac_time_ms)
164eb02d
SW		 2777{
2778 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2779 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2780 int err;
2781
34a3740d
JB		 2782 mutex_lock(&local->mtx);
2783 if (!list_empty(&local->roc_list) || local->scanning) {
2784 err = -EBUSY;
2785 goto out_unlock;
2786 }
164eb02d
SW		 2787
2788 /* whatever, but channel contexts should not complain about that one */
2789 sdata->smps_mode = IEEE80211_SMPS_OFF;
2790 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2791
164eb02d
SW		 2792 err = ieee80211_vif_use_channel(sdata, chandef,
2793 IEEE80211_CHANCTX_SHARED);
164eb02d 2794 if (err)
34a3740d 2795 goto out_unlock;
164eb02d 2796
164eb02d 2797 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2798 &sdata->dfs_cac_timer_work,
2799 msecs_to_jiffies(cac_time_ms));
164eb02d 2800
34a3740d
JB		 2801 out_unlock:
2802 mutex_unlock(&local->mtx);
2803 return err;
164eb02d
SW		 2804}
2805
73da7d5b
SW		 2806static struct cfg80211_beacon_data *
2807cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2808{
2809 struct cfg80211_beacon_data *new_beacon;
2810 u8 *pos;
2811 int len;
2812
2813 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2814 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2815 beacon->probe_resp_len;
2816
2817 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2818 if (!new_beacon)
2819 return NULL;
2820
2821 pos = (u8 *)(new_beacon + 1);
2822 if (beacon->head_len) {
2823 new_beacon->head_len = beacon->head_len;
2824 new_beacon->head = pos;
2825 memcpy(pos, beacon->head, beacon->head_len);
2826 pos += beacon->head_len;
2827 }
2828 if (beacon->tail_len) {
2829 new_beacon->tail_len = beacon->tail_len;
2830 new_beacon->tail = pos;
2831 memcpy(pos, beacon->tail, beacon->tail_len);
2832 pos += beacon->tail_len;
2833 }
2834 if (beacon->beacon_ies_len) {
2835 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2836 new_beacon->beacon_ies = pos;
2837 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2838 pos += beacon->beacon_ies_len;
2839 }
2840 if (beacon->proberesp_ies_len) {
2841 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2842 new_beacon->proberesp_ies = pos;
2843 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2844 pos += beacon->proberesp_ies_len;
2845 }
2846 if (beacon->assocresp_ies_len) {
2847 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2848 new_beacon->assocresp_ies = pos;
2849 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2850 pos += beacon->assocresp_ies_len;
2851 }
2852 if (beacon->probe_resp_len) {
2853 new_beacon->probe_resp_len = beacon->probe_resp_len;
2854 beacon->probe_resp = pos;
2855 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2856 pos += beacon->probe_resp_len;
2857 }
2858
2859 return new_beacon;
2860}
2861
66e01cf9 2862void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2863{
66e01cf9 2864 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2865
66e01cf9
LC		 2866 ieee80211_queue_work(&sdata->local->hw,
2867 &sdata->csa_finalize_work);
2868}
2869EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2870
66199506
MK		 2871static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2872 u32 *changed)
66e01cf9 2873{
66199506 2874 int err;
7578d575 2875
cd7760e6
SW		 2876 switch (sdata->vif.type) {
2877 case NL80211_IFTYPE_AP:
af296bdb
MK		 2878 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2879 NULL);
97518af1
MK		 2880 kfree(sdata->u.ap.next_beacon);
2881 sdata->u.ap.next_beacon = NULL;
2882
cd7760e6 2883 if (err < 0)
66199506
MK		 2884 return err;
2885 *changed |= err;
cd7760e6
SW		 2886 break;
2887 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2888 err = ieee80211_ibss_finish_csa(sdata);
2889 if (err < 0)
66199506
MK		 2890 return err;
2891 *changed |= err;
cd7760e6 2892 break;
b8456a14
CYY		 2893#ifdef CONFIG_MAC80211_MESH
2894 case NL80211_IFTYPE_MESH_POINT:
2895 err = ieee80211_mesh_finish_csa(sdata);
2896 if (err < 0)
66199506
MK		 2897 return err;
2898 *changed |= err;
b8456a14
CYY		 2899 break;
2900#endif
cd7760e6
SW		 2901 default:
2902 WARN_ON(1);
66199506
MK		 2903 return -EINVAL;
2904 }
2905
2906 return 0;
2907}
2908
cf8767dd 2909static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2910{
2911 struct ieee80211_local *local = sdata->local;
2912 u32 changed = 0;
2913 int err;
2914
2915 sdata_assert_lock(sdata);
2916 lockdep_assert_held(&local->mtx);
03078de4 2917 lockdep_assert_held(&local->chanctx_mtx);
66199506 2918
03078de4
MK		 2919 /*
2920 * using reservation isn't immediate as it may be deferred until later
2921 * with multi-vif. once reservation is complete it will re-schedule the
2922 * work with no reserved_chanctx so verify chandef to check if it
2923 * completed successfully
2924 */
66199506 2925
03078de4
MK		 2926 if (sdata->reserved_chanctx) {
2927 /*
2928 * with multi-vif csa driver may call ieee80211_csa_finish()
2929 * many times while waiting for other interfaces to use their
2930 * reservations
2931 */
2932 if (sdata->reserved_ready)
2933 return 0;
2934
408b18ab 2935 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2936 }
73da7d5b 2937
03078de4
MK		 2938 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2939 &sdata->csa_chandef))
2940 return -EINVAL;
2941
66199506
MK		 2942 sdata->vif.csa_active = false;
2943
2944 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2945 if (err)
cf8767dd 2946 return err;
faf046e7 2947
66199506 2948 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2949
a46992b4
LC		 2950 if (sdata->csa_block_tx) {
2951 ieee80211_wake_vif_queues(local, sdata,
2952 IEEE80211_QUEUE_STOP_REASON_CSA);
2953 sdata->csa_block_tx = false;
2954 }
cf8767dd 2955
f1d65583
LC		 2956 err = drv_post_channel_switch(sdata);
2957 if (err)
2958 return err;
2959
2960 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2961
cf8767dd
MK		 2962 return 0;
2963}
2964
2965static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2966{
2967 if (__ieee80211_csa_finalize(sdata)) {
2968 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2969 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2970 GFP_KERNEL);
2971 }
66e01cf9
LC		 2972}
2973
2974void ieee80211_csa_finalize_work(struct work_struct *work)
2975{
2976 struct ieee80211_sub_if_data *sdata =
2977 container_of(work, struct ieee80211_sub_if_data,
2978 csa_finalize_work);
59af6928 2979 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 2980
2981 sdata_lock(sdata);
59af6928 2982 mutex_lock(&local->mtx);
03078de4 2983 mutex_lock(&local->chanctx_mtx);
59af6928 2984
66e01cf9
LC		 2985 /* AP might have been stopped while waiting for the lock. */
2986 if (!sdata->vif.csa_active)
2987 goto unlock;
2988
2989 if (!ieee80211_sdata_running(sdata))
2990 goto unlock;
2991
2992 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 2993
2994unlock:
03078de4 2995 mutex_unlock(&local->chanctx_mtx);
59af6928 2996 mutex_unlock(&local->mtx);
e487eaeb 2997 sdata_unlock(sdata);
73da7d5b
SW		 2998}
2999
37fa2bdd
MK		 3000static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3001 struct cfg80211_csa_settings *params,
3002 u32 *changed)
73da7d5b 3003{
af296bdb 3004 struct ieee80211_csa_settings csa = {};
37fa2bdd 3005 int err;
73da7d5b 3006
73da7d5b
SW		 3007 switch (sdata->vif.type) {
3008 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3009 sdata->u.ap.next_beacon =
3010 cfg80211_beacon_dup(&params->beacon_after);
3011 if (!sdata->u.ap.next_beacon)
3012 return -ENOMEM;
3013
66e01cf9
LC		 3014 /*
3015 * With a count of 0, we don't have to wait for any
3016 * TBTT before switching, so complete the CSA
3017 * immediately. In theory, with a count == 1 we
3018 * should delay the switch until just before the next
3019 * TBTT, but that would complicate things so we switch
3020 * immediately too. If we would delay the switch
3021 * until the next TBTT, we would have to set the probe
3022 * response here.
3023 *
3024 * TODO: A channel switch with count <= 1 without
3025 * sending a CSA action frame is kind of useless,
3026 * because the clients won't know we're changing
3027 * channels. The action frame must be implemented
3028 * either here or in the userspace.
3029 */
3030 if (params->count <= 1)
3031 break;
3032
0d06d9ba
AO		 3033 if ((params->n_counter_offsets_beacon >
3034 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3035 (params->n_counter_offsets_presp >
3036 IEEE80211_MAX_CSA_COUNTERS_NUM))
3037 return -EINVAL;
9a774c78 3038
af296bdb
MK		 3039 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3040 csa.counter_offsets_presp = params->counter_offsets_presp;
3041 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3042 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3043 csa.count = params->count;
9a774c78 3044
af296bdb 3045 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3046 if (err < 0) {
3047 kfree(sdata->u.ap.next_beacon);
3048 return err;
3049 }
37fa2bdd 3050 *changed |= err;
66e01cf9 3051
cd7760e6
SW		 3052 break;
3053 case NL80211_IFTYPE_ADHOC:
3054 if (!sdata->vif.bss_conf.ibss_joined)
3055 return -EINVAL;
3056
3057 if (params->chandef.width != sdata->u.ibss.chandef.width)
3058 return -EINVAL;
3059
3060 switch (params->chandef.width) {
3061 case NL80211_CHAN_WIDTH_40:
3062 if (cfg80211_get_chandef_type(&params->chandef) !=
3063 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3064 return -EINVAL;
3065 case NL80211_CHAN_WIDTH_5:
3066 case NL80211_CHAN_WIDTH_10:
3067 case NL80211_CHAN_WIDTH_20_NOHT:
3068 case NL80211_CHAN_WIDTH_20:
3069 break;
3070 default:
3071 return -EINVAL;
3072 }
3073
3074 /* changes into another band are not supported */
3075 if (sdata->u.ibss.chandef.chan->band !=
3076 params->chandef.chan->band)
3077 return -EINVAL;
3078
66e01cf9
LC		 3079 /* see comments in the NL80211_IFTYPE_AP block */
3080 if (params->count > 1) {
3081 err = ieee80211_ibss_csa_beacon(sdata, params);
3082 if (err < 0)
3083 return err;
37fa2bdd 3084 *changed |= err;
66e01cf9
LC		 3085 }
3086
3087 ieee80211_send_action_csa(sdata, params);
3088
73da7d5b 3089 break;
c6da674a 3090#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3091 case NL80211_IFTYPE_MESH_POINT: {
3092 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3093
c6da674a
CYY		 3094 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3095 return -EINVAL;
3096
3097 /* changes into another band are not supported */
3098 if (sdata->vif.bss_conf.chandef.chan->band !=
3099 params->chandef.chan->band)
3100 return -EINVAL;
3101
c782bf8c 3102 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3103 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3104 if (!ifmsh->pre_value)
3105 ifmsh->pre_value = 1;
3106 else
3107 ifmsh->pre_value++;
3108 }
0cb4d4dc 3109
66e01cf9
LC		 3110 /* see comments in the NL80211_IFTYPE_AP block */
3111 if (params->count > 1) {
3112 err = ieee80211_mesh_csa_beacon(sdata, params);
3113 if (err < 0) {
3114 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3115 return err;
3116 }
37fa2bdd 3117 *changed |= err;
3f718fd8 3118 }
66e01cf9
LC		 3119
3120 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3121 ieee80211_send_action_csa(sdata, params);
3122
c6da674a 3123 break;
37fa2bdd 3124 }
c6da674a 3125#endif
73da7d5b
SW		 3126 default:
3127 return -EOPNOTSUPP;
3128 }
3129
37fa2bdd
MK		 3130 return 0;
3131}
3132
f29f58a9
LC		 3133static int
3134__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3135 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3136{
3137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3138 struct ieee80211_local *local = sdata->local;
6d027bcc 3139 struct ieee80211_channel_switch ch_switch;
2b32713d 3140 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3141 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3142 u32 changed = 0;
3143 int err;
37fa2bdd
MK		 3144
3145 sdata_assert_lock(sdata);
59af6928 3146 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3147
3148 if (!list_empty(&local->roc_list) || local->scanning)
3149 return -EBUSY;
3150
3151 if (sdata->wdev.cac_started)
3152 return -EBUSY;
3153
3154 if (cfg80211_chandef_identical(&params->chandef,
3155 &sdata->vif.bss_conf.chandef))
3156 return -EINVAL;
3157
03078de4
MK		 3158 /* don't allow another channel switch if one is already active. */
3159 if (sdata->vif.csa_active)
3160 return -EBUSY;
3161
2b32713d
MK		 3162 mutex_lock(&local->chanctx_mtx);
3163 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3164 lockdep_is_held(&local->chanctx_mtx));
3165 if (!conf) {
03078de4
MK		 3166 err = -EBUSY;
3167 goto out;
37fa2bdd
MK		 3168 }
3169
2b32713d 3170 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
03078de4
MK		 3171 if (!chanctx) {
3172 err = -EBUSY;
3173 goto out;
37fa2bdd 3174 }
37fa2bdd 3175
000baa5d
LC		 3176 ch_switch.timestamp = 0;
3177 ch_switch.device_timestamp = 0;
3178 ch_switch.block_tx = params->block_tx;
3179 ch_switch.chandef = params->chandef;
3180 ch_switch.count = params->count;
3181
6d027bcc
LC		 3182 err = drv_pre_channel_switch(sdata, &ch_switch);
3183 if (err)
3184 goto out;
3185
03078de4
MK		 3186 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3187 chanctx->mode,
3188 params->radar_required);
3189 if (err)
3190 goto out;
37fa2bdd 3191
03078de4
MK		 3192 /* if reservation is invalid then this will fail */
3193 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3194 if (err) {
3195 ieee80211_vif_unreserve_chanctx(sdata);
3196 goto out;
3197 }
37fa2bdd
MK		 3198
3199 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3200 if (err) {
3201 ieee80211_vif_unreserve_chanctx(sdata);
3202 goto out;
3203 }
37fa2bdd 3204
33787fc4 3205 sdata->csa_chandef = params->chandef;
59af6928 3206 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3207 sdata->vif.csa_active = true;
3208
59af6928 3209 if (sdata->csa_block_tx)
a46992b4
LC		 3210 ieee80211_stop_vif_queues(local, sdata,
3211 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3212
2f457293
LC		 3213 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3214 params->count);
3215
66e01cf9
LC		 3216 if (changed) {
3217 ieee80211_bss_info_change_notify(sdata, changed);
3218 drv_channel_switch_beacon(sdata, &params->chandef);
3219 } else {
3220 /* if the beacon didn't change, we can finalize immediately */
3221 ieee80211_csa_finalize(sdata);
3222 }
73da7d5b 3223
03078de4
MK		 3224out:
3225 mutex_unlock(&local->chanctx_mtx);
3226 return err;
73da7d5b
SW		 3227}
3228
59af6928
MK		 3229int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3230 struct cfg80211_csa_settings *params)
3231{
3232 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3233 struct ieee80211_local *local = sdata->local;
3234 int err;
3235
3236 mutex_lock(&local->mtx);
3237 err = __ieee80211_channel_switch(wiphy, dev, params);
3238 mutex_unlock(&local->mtx);
3239
3240 return err;
3241}
3242
71bbc994 3243static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3244 struct cfg80211_mgmt_tx_params *params,
3245 u64 *cookie)
026331c4 3246{
71bbc994 3247 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3248 struct ieee80211_local *local = sdata->local;
3249 struct sk_buff *skb;
3250 struct sta_info *sta;
b176e629 3251 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3252 bool need_offchan = false;
e247bd90 3253 u32 flags;
2eb278e0 3254 int ret;
387910cc 3255 u8 *data;
f7ca38df 3256
b176e629 3257 if (params->dont_wait_for_ack)
e247bd90
JB		 3258 flags = IEEE80211_TX_CTL_NO_ACK;
3259 else
3260 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3261 IEEE80211_TX_CTL_REQ_TX_STATUS;
3262
b176e629 3263 if (params->no_cck)
aad14ceb
RM		 3264 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3265
9d38d85d
JB		 3266 switch (sdata->vif.type) {
3267 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3268 if (!sdata->vif.bss_conf.ibss_joined)
3269 need_offchan = true;
3270 /* fall through */
3271#ifdef CONFIG_MAC80211_MESH
3272 case NL80211_IFTYPE_MESH_POINT:
3273 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3274 !sdata->u.mesh.mesh_id_len)
3275 need_offchan = true;
3276 /* fall through */
3277#endif
663fcafd
JB		 3278 case NL80211_IFTYPE_AP:
3279 case NL80211_IFTYPE_AP_VLAN:
3280 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3281 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3282 !ieee80211_vif_is_mesh(&sdata->vif) &&
3283 !rcu_access_pointer(sdata->bss->beacon))
3284 need_offchan = true;
663fcafd 3285 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3286 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3287 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3288 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3289 break;
3290 rcu_read_lock();
3291 sta = sta_info_get(sdata, mgmt->da);
3292 rcu_read_unlock();
3293 if (!sta)
3294 return -ENOLINK;
3295 break;
3296 case NL80211_IFTYPE_STATION:
663fcafd 3297 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3298 if (!sdata->u.mgd.associated)
3299 need_offchan = true;
9d38d85d 3300 break;
f142c6b9
JB		 3301 case NL80211_IFTYPE_P2P_DEVICE:
3302 need_offchan = true;
3303 break;
9d38d85d
JB		 3304 default:
3305 return -EOPNOTSUPP;
3306 }
3307
f7aeb6fb
AQ		 3308 /* configurations requiring offchan cannot work if no channel has been
3309 * specified
3310 */
b176e629 3311 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3312 return -EINVAL;
3313
2eb278e0
JB		 3314 mutex_lock(&local->mtx);
3315
3316 /* Check if the operating channel is the requested channel */
3317 if (!need_offchan) {
55de908a
JB		 3318 struct ieee80211_chanctx_conf *chanctx_conf;
3319
3320 rcu_read_lock();
3321 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3322
f7aeb6fb 3323 if (chanctx_conf) {
b176e629
AO		 3324 need_offchan = params->chan &&
3325 (params->chan !=
3326 chanctx_conf->def.chan);
3327 } else if (!params->chan) {
f7aeb6fb
AQ		 3328 ret = -EINVAL;
3329 rcu_read_unlock();
3330 goto out_unlock;
3331 } else {
2eb278e0 3332 need_offchan = true;
f7aeb6fb 3333 }
55de908a 3334 rcu_read_unlock();
2eb278e0
JB		 3335 }
3336
b176e629 3337 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3338 ret = -EBUSY;
3339 goto out_unlock;
3340 }
3341
b176e629 3342 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3343 if (!skb) {
3344 ret = -ENOMEM;
3345 goto out_unlock;
3346 }
9d38d85d
JB		 3347 skb_reserve(skb, local->hw.extra_tx_headroom);
3348
387910cc
AO		 3349 data = skb_put(skb, params->len);
3350 memcpy(data, params->buf, params->len);
3351
3352 /* Update CSA counters */
3353 if (sdata->vif.csa_active &&
3354 (sdata->vif.type == NL80211_IFTYPE_AP ||
3355 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3356 params->n_csa_offsets) {
3357 int i;
af296bdb 3358 struct beacon_data *beacon = NULL;
387910cc 3359
af296bdb
MK		 3360 rcu_read_lock();
3361
3362 if (sdata->vif.type == NL80211_IFTYPE_AP)
3363 beacon = rcu_dereference(sdata->u.ap.beacon);
3364 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3365 beacon = rcu_dereference(sdata->u.ibss.presp);
3366 else if (ieee80211_vif_is_mesh(&sdata->vif))
3367 beacon = rcu_dereference(sdata->u.mesh.beacon);
3368
3369 if (beacon)
3370 for (i = 0; i < params->n_csa_offsets; i++)
3371 data[params->csa_offsets[i]] =
3372 beacon->csa_current_counter;
3373
3374 rcu_read_unlock();
387910cc 3375 }
9d38d85d
JB		 3376
3377 IEEE80211_SKB_CB(skb)->flags = flags;
3378
3379 skb->dev = sdata->dev;
9d38d85d 3380
2eb278e0 3381 if (!need_offchan) {
7f9f78ab 3382 *cookie = (unsigned long) skb;
f30221e4 3383 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3384 ret = 0;
3385 goto out_unlock;
f30221e4
JB		 3386 }
3387
6c17b77b
SF		 3388 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3389 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3390 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3391 IEEE80211_SKB_CB(skb)->hw_queue =
3392 local->hw.offchannel_tx_hw_queue;
f30221e4 3393
2eb278e0 3394 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3395 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3396 params->wait, cookie, skb,
d339d5ca 3397 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3398 if (ret)
3399 kfree_skb(skb);
3400 out_unlock:
3401 mutex_unlock(&local->mtx);
3402 return ret;
026331c4
JM		 3403}
3404
f30221e4 3405static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3406 struct wireless_dev *wdev,
f30221e4
JB		 3407 u64 cookie)
3408{
71bbc994 3409 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3410
2eb278e0 3411 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3412}
3413
7be5086d 3414static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3415 struct wireless_dev *wdev,
7be5086d
JB		 3416 u16 frame_type, bool reg)
3417{
3418 struct ieee80211_local *local = wiphy_priv(wiphy);
3419
6abe0563 3420 switch (frame_type) {
6abe0563
WH		 3421 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3422 if (reg)
3423 local->probe_req_reg++;
3424 else
3425 local->probe_req_reg--;
7be5086d 3426
35f5149e
FF		 3427 if (!local->open_count)
3428 break;
3429
6abe0563
WH		 3430 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3431 break;
3432 default:
3433 break;
3434 }
7be5086d
JB		 3435}
3436
15d96753
BR		 3437static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3438{
3439 struct ieee80211_local *local = wiphy_priv(wiphy);
3440
3441 if (local->started)
3442 return -EOPNOTSUPP;
3443
3444 return drv_set_antenna(local, tx_ant, rx_ant);
3445}
3446
3447static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3448{
3449 struct ieee80211_local *local = wiphy_priv(wiphy);
3450
3451 return drv_get_antenna(local, tx_ant, rx_ant);
3452}
3453
c68f4b89
JB		 3454static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3455 struct net_device *dev,
3456 struct cfg80211_gtk_rekey_data *data)
3457{
3458 struct ieee80211_local *local = wiphy_priv(wiphy);
3459 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3460
3461 if (!local->ops->set_rekey_data)
3462 return -EOPNOTSUPP;
3463
3464 drv_set_rekey_data(local, sdata, data);
3465
3466 return 0;
3467}
3468
06500736
JB		 3469static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3470 const u8 *peer, u64 *cookie)
3471{
3472 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3473 struct ieee80211_local *local = sdata->local;
3474 struct ieee80211_qos_hdr *nullfunc;
3475 struct sk_buff *skb;
3476 int size = sizeof(*nullfunc);
3477 __le16 fc;
3478 bool qos;
3479 struct ieee80211_tx_info *info;
3480 struct sta_info *sta;
55de908a
JB		 3481 struct ieee80211_chanctx_conf *chanctx_conf;
3482 enum ieee80211_band band;
06500736
JB		 3483
3484 rcu_read_lock();
55de908a
JB		 3485 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3486 if (WARN_ON(!chanctx_conf)) {
3487 rcu_read_unlock();
3488 return -EINVAL;
3489 }
4bf88530 3490 band = chanctx_conf->def.chan->band;
03bb7f42 3491 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3492 if (sta) {
a74a8c84 3493 qos = sta->sta.wme;
b4487c2d
JB		 3494 } else {
3495 rcu_read_unlock();
06500736 3496 return -ENOLINK;
b4487c2d 3497 }
06500736
JB		 3498
3499 if (qos) {
3500 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3501 IEEE80211_STYPE_QOS_NULLFUNC |
3502 IEEE80211_FCTL_FROMDS);
3503 } else {
3504 size -= 2;
3505 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3506 IEEE80211_STYPE_NULLFUNC |
3507 IEEE80211_FCTL_FROMDS);
3508 }
3509
3510 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3511 if (!skb) {
3512 rcu_read_unlock();
06500736 3513 return -ENOMEM;
55de908a 3514 }
06500736
JB		 3515
3516 skb->dev = dev;
3517
3518 skb_reserve(skb, local->hw.extra_tx_headroom);
3519
3520 nullfunc = (void *) skb_put(skb, size);
3521 nullfunc->frame_control = fc;
3522 nullfunc->duration_id = 0;
3523 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3524 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3525 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3526 nullfunc->seq_ctrl = 0;
3527
3528 info = IEEE80211_SKB_CB(skb);
3529
3530 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3531 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3532 info->band = band;
06500736
JB		 3533
3534 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3535 skb->priority = 7;
3536 if (qos)
3537 nullfunc->qos_ctrl = cpu_to_le16(7);
3538
3539 local_bh_disable();
73c4e195 3540 ieee80211_xmit(sdata, skb);
06500736 3541 local_bh_enable();
55de908a 3542 rcu_read_unlock();
06500736
JB		 3543
3544 *cookie = (unsigned long) skb;
3545 return 0;
3546}
3547
683b6d3b
JB		 3548static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3549 struct wireless_dev *wdev,
3550 struct cfg80211_chan_def *chandef)
5b7ccaf3 3551{
55de908a 3552 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3553 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3554 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3555 int ret = -ENODATA;
55de908a
JB		 3556
3557 rcu_read_lock();
feda3027
JB		 3558 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3559 if (chanctx_conf) {
c12bc488 3560 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3561 ret = 0;
3562 } else if (local->open_count > 0 &&
3563 local->open_count == local->monitors &&
3564 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3565 if (local->use_chanctx)
3566 *chandef = local->monitor_chandef;
3567 else
675a0b04 3568 *chandef = local->_oper_chandef;
683b6d3b 3569 ret = 0;
55de908a
JB		 3570 }
3571 rcu_read_unlock();
5b7ccaf3 3572
683b6d3b 3573 return ret;
5b7ccaf3
JB		 3574}
3575
6d52563f
JB		 3576#ifdef CONFIG_PM
3577static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3578{
3579 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3580}
3581#endif
3582
32db6b54
KP		 3583static int ieee80211_set_qos_map(struct wiphy *wiphy,
3584 struct net_device *dev,
3585 struct cfg80211_qos_map *qos_map)
3586{
3587 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3588 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3589
3590 if (qos_map) {
3591 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3592 if (!new_qos_map)
3593 return -ENOMEM;
3594 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3595 } else {
3596 /* A NULL qos_map was passed to disable QoS mapping */
3597 new_qos_map = NULL;
3598 }
3599
194ff52d 3600 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3601 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3602 if (old_qos_map)
3603 kfree_rcu(old_qos_map, rcu_head);
3604
3605 return 0;
3606}
3607
3b1700bd
JM		 3608static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3609 struct net_device *dev,
3610 struct cfg80211_chan_def *chandef)
3611{
3612 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3613 int ret;
3614 u32 changed = 0;
3615
3616 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3617 if (ret == 0)
3618 ieee80211_bss_info_change_notify(sdata, changed);
3619
3620 return ret;
3621}
3622
02219b3a
JB		 3623static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3624 u8 tsid, const u8 *peer, u8 up,
3625 u16 admitted_time)
3626{
3627 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3628 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3629 int ac = ieee802_1d_to_ac[up];
3630
3631 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3632 return -EOPNOTSUPP;
3633
3634 if (!(sdata->wmm_acm & BIT(up)))
3635 return -EINVAL;
3636
3637 if (ifmgd->tx_tspec[ac].admitted_time)
3638 return -EBUSY;
3639
3640 if (admitted_time) {
3641 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3642 ifmgd->tx_tspec[ac].tsid = tsid;
3643 ifmgd->tx_tspec[ac].up = up;
3644 }
3645
3646 return 0;
3647}
3648
3649static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3650 u8 tsid, const u8 *peer)
3651{
3652 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3653 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3654 struct ieee80211_local *local = wiphy_priv(wiphy);
3655 int ac;
3656
3657 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3658 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3659
3660 /* skip unused entries */
3661 if (!tx_tspec->admitted_time)
3662 continue;
3663
3664 if (tx_tspec->tsid != tsid)
3665 continue;
3666
3667 /* due to this new packets will be reassigned to non-ACM ACs */
3668 tx_tspec->up = -1;
3669
3670 /* Make sure that all packets have been sent to avoid to
3671 * restore the QoS params on packets that are still on the
3672 * queues.
3673 */
3674 synchronize_net();
3b24f4c6 3675 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3676
3677 /* restore the normal QoS parameters
3678 * (unconditionally to avoid races)
3679 */
3680 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3681 tx_tspec->downgraded = false;
3682 ieee80211_sta_handle_tspec_ac_params(sdata);
3683
3684 /* finally clear all the data */
3685 memset(tx_tspec, 0, sizeof(*tx_tspec));
3686
3687 return 0;
3688 }
3689
3690 return -ENOENT;
3691}
3692
8a47cea7 3693const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3694 .add_virtual_intf = ieee80211_add_iface,
3695 .del_virtual_intf = ieee80211_del_iface,
42613db7 3696 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3697 .start_p2p_device = ieee80211_start_p2p_device,
3698 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3699 .add_key = ieee80211_add_key,
3700 .del_key = ieee80211_del_key,
62da92fb 3701 .get_key = ieee80211_get_key,
e8cbb4cb 3702 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3703 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3704 .start_ap = ieee80211_start_ap,
3705 .change_beacon = ieee80211_change_beacon,
3706 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3707 .add_station = ieee80211_add_station,
3708 .del_station = ieee80211_del_station,
3709 .change_station = ieee80211_change_station,
7bbdd2d9 3710 .get_station = ieee80211_get_station,
c5dd9c2b 3711 .dump_station = ieee80211_dump_station,
1289723e 3712 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3713#ifdef CONFIG_MAC80211_MESH
3714 .add_mpath = ieee80211_add_mpath,
3715 .del_mpath = ieee80211_del_mpath,
3716 .change_mpath = ieee80211_change_mpath,
3717 .get_mpath = ieee80211_get_mpath,
3718 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3719 .get_mpp = ieee80211_get_mpp,
3720 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3721 .update_mesh_config = ieee80211_update_mesh_config,
3722 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3723 .join_mesh = ieee80211_join_mesh,
3724 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3725#endif
239281f8
RL		 3726 .join_ocb = ieee80211_join_ocb,
3727 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3728 .change_bss = ieee80211_change_bss,
31888487 3729 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3730 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3731 .suspend = ieee80211_suspend,
3732 .resume = ieee80211_resume,
2a519311 3733 .scan = ieee80211_scan,
79f460ca
LC		 3734 .sched_scan_start = ieee80211_sched_scan_start,
3735 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3736 .auth = ieee80211_auth,
3737 .assoc = ieee80211_assoc,
3738 .deauth = ieee80211_deauth,
3739 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3740 .join_ibss = ieee80211_join_ibss,
3741 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3742 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3743 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3744 .set_tx_power = ieee80211_set_tx_power,
3745 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3746 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3747 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3748 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3749 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3750 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3751 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3752 .remain_on_channel = ieee80211_remain_on_channel,
3753 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3754 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3755 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3756 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3757 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3758 .set_antenna = ieee80211_set_antenna,
3759 .get_antenna = ieee80211_get_antenna,
c68f4b89 3760 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3761 .tdls_oper = ieee80211_tdls_oper,
3762 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3763 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3764 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3765 .probe_client = ieee80211_probe_client,
b53be792 3766 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3767#ifdef CONFIG_PM
3768 .set_wakeup = ieee80211_set_wakeup,
3769#endif
5b7ccaf3 3770 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3771 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3772 .channel_switch = ieee80211_channel_switch,
32db6b54 3773 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3774 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3775 .add_tx_ts = ieee80211_add_tx_ts,
3776 .del_tx_ts = ieee80211_del_tx_ts,
f0706e82 3777};
Linux 6.x block layer and io_uring tree(s)