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