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cfg80211: vlan priority handling in WMM
[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>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
552bff0c
JB		 23static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
24 const char *name,
84efbb84
JB		 25 enum nl80211_iftype type,
26 u32 *flags,
27 struct vif_params *params)
f0706e82
JB		 28{
29 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 30 struct wireless_dev *wdev;
8cc9a739
MW		 31 struct ieee80211_sub_if_data *sdata;
32 int err;
f0706e82 33
84efbb84 34 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 35 if (err)
36 return ERR_PTR(err);
8cc9a739 37
f9e10ce4 38 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 40 sdata->u.mntr_flags = *flags;
41 }
42
84efbb84 43 return wdev;
f0706e82
JB		 44}
45
84efbb84 46static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 47{
84efbb84 48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 49
75636525 50 return 0;
f0706e82
JB		 51}
52
e36d56b6
JB		 53static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
2ec600d6
LCC		 55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
42613db7 57{
9607e6b6 58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 59 int ret;
42613db7 60
05c914fe 61 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 62 if (ret)
63 return ret;
42613db7 64
9bc383de
JB		 65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
a9b3cd7f 67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
71
85416a4f
CL		 72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
74
75 if (ieee80211_sdata_running(sdata)) {
31eba5bc
FF		 76 u32 mask = MONITOR_FLAG_COOK_FRAMES |
77 MONITOR_FLAG_ACTIVE;
78
85416a4f 79 /*
31eba5bc
FF		 80 * Prohibit MONITOR_FLAG_COOK_FRAMES and
81 * MONITOR_FLAG_ACTIVE to be changed while the
82 * interface is up.
85416a4f
CL		 83 * Else we would need to add a lot of cruft
84 * to update everything:
85 * cooked_mntrs, monitor and all fif_* counters
86 * reconfigure hardware
87 */
31eba5bc 88 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
85416a4f
CL		 89 return -EBUSY;
90
91 ieee80211_adjust_monitor_flags(sdata, -1);
92 sdata->u.mntr_flags = *flags;
93 ieee80211_adjust_monitor_flags(sdata, 1);
94
95 ieee80211_configure_filter(local);
96 } else {
97 /*
98 * Because the interface is down, ieee80211_do_stop
99 * and ieee80211_do_open take care of "everything"
100 * mentioned in the comment above.
101 */
102 sdata->u.mntr_flags = *flags;
103 }
104 }
f7917af9 105
42613db7
JB		 106 return 0;
107}
108
f142c6b9
JB		 109static int ieee80211_start_p2p_device(struct wiphy *wiphy,
110 struct wireless_dev *wdev)
111{
112 return ieee80211_do_open(wdev, true);
113}
114
115static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
116 struct wireless_dev *wdev)
117{
118 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
119}
120
b53be792
SW		 121static int ieee80211_set_noack_map(struct wiphy *wiphy,
122 struct net_device *dev,
123 u16 noack_map)
124{
125 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
126
127 sdata->noack_map = noack_map;
128 return 0;
129}
130
e8cbb4cb 131static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 132 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 133 struct key_params *params)
134{
26a58456 135 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 136 struct sta_info *sta = NULL;
db4d1169 137 struct ieee80211_key *key;
3b96766f 138 int err;
e8cbb4cb 139
26a58456 140 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 141 return -ENETDOWN;
142
97359d12 143 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 144 switch (params->cipher) {
145 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 146 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 147 case WLAN_CIPHER_SUITE_WEP104:
148 if (IS_ERR(sdata->local->wep_tx_tfm))
149 return -EINVAL;
3cfcf6ac 150 break;
e8cbb4cb 151 default:
97359d12 152 break;
e8cbb4cb
JB		 153 }
154
97359d12
JB		 155 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
156 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 157 if (IS_ERR(key))
158 return PTR_ERR(key);
db4d1169 159
e31b8213
JB		 160 if (pairwise)
161 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
162
ad0e2b5a 163 mutex_lock(&sdata->local->sta_mtx);
3b96766f 164
e8cbb4cb 165 if (mac_addr) {
ff973af7
TP		 166 if (ieee80211_vif_is_mesh(&sdata->vif))
167 sta = sta_info_get(sdata, mac_addr);
168 else
169 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 170 /*
171 * The ASSOC test makes sure the driver is ready to
172 * receive the key. When wpa_supplicant has roamed
173 * using FT, it attempts to set the key before
174 * association has completed, this rejects that attempt
175 * so it will set the key again after assocation.
176 *
177 * TODO: accept the key if we have a station entry and
178 * add it to the device after the station.
179 */
180 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 181 ieee80211_key_free_unused(key);
3b96766f
JB		 182 err = -ENOENT;
183 goto out_unlock;
db4d1169 184 }
e8cbb4cb
JB		 185 }
186
e548c49e
JB		 187 switch (sdata->vif.type) {
188 case NL80211_IFTYPE_STATION:
189 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
190 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
191 break;
192 case NL80211_IFTYPE_AP:
193 case NL80211_IFTYPE_AP_VLAN:
194 /* Keys without a station are used for TX only */
195 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
196 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
197 break;
198 case NL80211_IFTYPE_ADHOC:
199 /* no MFP (yet) */
200 break;
201 case NL80211_IFTYPE_MESH_POINT:
202#ifdef CONFIG_MAC80211_MESH
203 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
204 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
205 break;
206#endif
207 case NL80211_IFTYPE_WDS:
208 case NL80211_IFTYPE_MONITOR:
209 case NL80211_IFTYPE_P2P_DEVICE:
210 case NL80211_IFTYPE_UNSPECIFIED:
211 case NUM_NL80211_IFTYPES:
212 case NL80211_IFTYPE_P2P_CLIENT:
213 case NL80211_IFTYPE_P2P_GO:
214 /* shouldn't happen */
215 WARN_ON_ONCE(1);
216 break;
217 }
218
3ffc2a90 219 err = ieee80211_key_link(key, sdata, sta);
db4d1169 220
3b96766f 221 out_unlock:
ad0e2b5a 222 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 223
224 return err;
e8cbb4cb
JB		 225}
226
227static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 228 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 229{
5c0c3641
JB		 230 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
231 struct ieee80211_local *local = sdata->local;
e8cbb4cb 232 struct sta_info *sta;
5c0c3641 233 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 234 int ret;
235
5c0c3641
JB		 236 mutex_lock(&local->sta_mtx);
237 mutex_lock(&local->key_mtx);
3b96766f 238
e8cbb4cb 239 if (mac_addr) {
3b96766f
JB		 240 ret = -ENOENT;
241
0e5ded5a 242 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 243 if (!sta)
3b96766f 244 goto out_unlock;
e8cbb4cb 245
5c0c3641 246 if (pairwise)
40b275b6 247 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 248 else
40b275b6 249 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 250 } else
40b275b6 251 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 252
5c0c3641 253 if (!key) {
3b96766f
JB		 254 ret = -ENOENT;
255 goto out_unlock;
256 }
e8cbb4cb 257
3b8d9c29 258 ieee80211_key_free(key, true);
e8cbb4cb 259
3b96766f
JB		 260 ret = 0;
261 out_unlock:
5c0c3641
JB		 262 mutex_unlock(&local->key_mtx);
263 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 264
265 return ret;
e8cbb4cb
JB		 266}
267
62da92fb 268static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 269 u8 key_idx, bool pairwise, const u8 *mac_addr,
270 void *cookie,
62da92fb
JB		 271 void (*callback)(void *cookie,
272 struct key_params *params))
273{
14db74bc 274 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 275 struct sta_info *sta = NULL;
276 u8 seq[6] = {0};
277 struct key_params params;
e31b8213 278 struct ieee80211_key *key = NULL;
aba83a0b 279 u64 pn64;
62da92fb
JB		 280 u32 iv32;
281 u16 iv16;
282 int err = -ENOENT;
283
14db74bc
JB		 284 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
285
3b96766f
JB		 286 rcu_read_lock();
287
62da92fb 288 if (mac_addr) {
0e5ded5a 289 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 290 if (!sta)
291 goto out;
292
e31b8213 293 if (pairwise)
a3836e02 294 key = rcu_dereference(sta->ptk);
e31b8213 295 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 296 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 297 } else
a3836e02 298 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 299
300 if (!key)
301 goto out;
302
303 memset(&params, 0, sizeof(params));
304
97359d12 305 params.cipher = key->conf.cipher;
62da92fb 306
97359d12
JB		 307 switch (key->conf.cipher) {
308 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 309 iv32 = key->u.tkip.tx.iv32;
310 iv16 = key->u.tkip.tx.iv16;
62da92fb 311
24487981
JB		 312 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
313 drv_get_tkip_seq(sdata->local,
314 key->conf.hw_key_idx,
315 &iv32, &iv16);
62da92fb
JB		 316
317 seq[0] = iv16 & 0xff;
318 seq[1] = (iv16 >> 8) & 0xff;
319 seq[2] = iv32 & 0xff;
320 seq[3] = (iv32 >> 8) & 0xff;
321 seq[4] = (iv32 >> 16) & 0xff;
322 seq[5] = (iv32 >> 24) & 0xff;
323 params.seq = seq;
324 params.seq_len = 6;
325 break;
97359d12 326 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 327 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
328 seq[0] = pn64;
329 seq[1] = pn64 >> 8;
330 seq[2] = pn64 >> 16;
331 seq[3] = pn64 >> 24;
332 seq[4] = pn64 >> 32;
333 seq[5] = pn64 >> 40;
62da92fb
JB		 334 params.seq = seq;
335 params.seq_len = 6;
336 break;
97359d12 337 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 338 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
339 seq[0] = pn64;
340 seq[1] = pn64 >> 8;
341 seq[2] = pn64 >> 16;
342 seq[3] = pn64 >> 24;
343 seq[4] = pn64 >> 32;
344 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 345 params.seq = seq;
346 params.seq_len = 6;
347 break;
62da92fb
JB		 348 }
349
350 params.key = key->conf.key;
351 params.key_len = key->conf.keylen;
352
353 callback(cookie, &params);
354 err = 0;
355
356 out:
3b96766f 357 rcu_read_unlock();
62da92fb
JB		 358 return err;
359}
360
e8cbb4cb
JB		 361static int ieee80211_config_default_key(struct wiphy *wiphy,
362 struct net_device *dev,
dbd2fd65
JB		 363 u8 key_idx, bool uni,
364 bool multi)
e8cbb4cb 365{
ad0e2b5a 366 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 367
f7e0104c 368 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 369
370 return 0;
371}
372
3cfcf6ac
JM		 373static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
374 struct net_device *dev,
375 u8 key_idx)
376{
66c52421 377 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 378
3cfcf6ac
JM		 379 ieee80211_set_default_mgmt_key(sdata, key_idx);
380
3cfcf6ac
JM		 381 return 0;
382}
383
6b62bf32
TP		 384void sta_set_rate_info_tx(struct sta_info *sta,
385 const struct ieee80211_tx_rate *rate,
386 struct rate_info *rinfo)
387{
388 rinfo->flags = 0;
8bc83c24 389 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 390 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 391 rinfo->mcs = rate->idx;
392 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
393 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
394 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
395 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
396 } else {
397 struct ieee80211_supported_band *sband;
2103dec1
SW		 398 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
399 u16 brate;
400
8bc83c24
JB		 401 sband = sta->local->hw.wiphy->bands[
402 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 403 brate = sband->bitrates[rate->idx].bitrate;
404 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 405 }
6b62bf32
TP		 406 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
407 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 408 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
409 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
410 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
411 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 412 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
413 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 414}
415
003e676a
S		 416void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
417{
418 rinfo->flags = 0;
419
420 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
421 rinfo->flags |= RATE_INFO_FLAGS_MCS;
422 rinfo->mcs = sta->last_rx_rate_idx;
423 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
424 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
425 rinfo->nss = sta->last_rx_rate_vht_nss;
426 rinfo->mcs = sta->last_rx_rate_idx;
427 } else {
428 struct ieee80211_supported_band *sband;
2103dec1
SW		 429 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
430 u16 brate;
003e676a
S		 431
432 sband = sta->local->hw.wiphy->bands[
433 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 434 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
435 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 436 }
437
438 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
439 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
440 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
441 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
442 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
443 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
444 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
445 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
446 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
447 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
448}
449
c5dd9c2b
LCC		 450static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
451{
d0709a65 452 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 453 struct ieee80211_local *local = sdata->local;
ebe27c91 454 struct timespec uptime;
560d2682 455 u64 packets = 0;
ef0621e8 456 int i, ac;
c5dd9c2b 457
f5ea9120
JB		 458 sinfo->generation = sdata->local->sta_generation;
459
c5dd9c2b 460 sinfo->filled = STATION_INFO_INACTIVE_TIME |
560d2682
JB		 461 STATION_INFO_RX_BYTES64 |
462 STATION_INFO_TX_BYTES64 |
98c8a60a
JM		 463 STATION_INFO_RX_PACKETS |
464 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 465 STATION_INFO_TX_RETRIES |
466 STATION_INFO_TX_FAILED |
5a5c731a 467 STATION_INFO_TX_BITRATE |
3af6334c 468 STATION_INFO_RX_BITRATE |
f4263c98 469 STATION_INFO_RX_DROP_MISC |
ebe27c91 470 STATION_INFO_BSS_PARAM |
7a724767 471 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 472 STATION_INFO_STA_FLAGS |
473 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 474
475 do_posix_clock_monotonic_gettime(&uptime);
476 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 477
478 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
560d2682
JB		 479 sinfo->tx_bytes = 0;
480 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
481 sinfo->tx_bytes += sta->tx_bytes[ac];
482 packets += sta->tx_packets[ac];
483 }
484 sinfo->tx_packets = packets;
c5dd9c2b 485 sinfo->rx_bytes = sta->rx_bytes;
98c8a60a 486 sinfo->rx_packets = sta->rx_packets;
b206b4ef
BR		 487 sinfo->tx_retries = sta->tx_retry_count;
488 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 489 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 490 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 491
19deffbe
JL		 492 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
493 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 494 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 495 if (!local->ops->get_rssi ||
496 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
497 sinfo->signal = (s8)sta->last_signal;
541a45a1 498 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab 499 }
ef0621e8
FF		 500 if (sta->chains) {
501 sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
502 STATION_INFO_CHAIN_SIGNAL_AVG;
503
504 sinfo->chains = sta->chains;
505 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
506 sinfo->chain_signal[i] = sta->chain_signal_last[i];
507 sinfo->chain_signal_avg[i] =
508 (s8) -ewma_read(&sta->chain_signal_avg[i]);
509 }
510 }
420e7fab 511
6b62bf32 512 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
003e676a 513 sta_set_rate_info_rx(sta, &sinfo->rxrate);
420e7fab 514
902acc78 515 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 516#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 517 sinfo->filled |= STATION_INFO_LLID |
518 STATION_INFO_PLID |
3f52b7e3
MP		 519 STATION_INFO_PLINK_STATE |
520 STATION_INFO_LOCAL_PM |
521 STATION_INFO_PEER_PM |
522 STATION_INFO_NONPEER_PM;
c5dd9c2b
LCC		 523
524 sinfo->llid = le16_to_cpu(sta->llid);
525 sinfo->plid = le16_to_cpu(sta->plid);
526 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 527 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
528 sinfo->filled |= STATION_INFO_T_OFFSET;
529 sinfo->t_offset = sta->t_offset;
530 }
3f52b7e3
MP		 531 sinfo->local_pm = sta->local_pm;
532 sinfo->peer_pm = sta->peer_pm;
533 sinfo->nonpeer_pm = sta->nonpeer_pm;
c5dd9c2b 534#endif
902acc78 535 }
f4263c98
PS		 536
537 sinfo->bss_param.flags = 0;
538 if (sdata->vif.bss_conf.use_cts_prot)
539 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
540 if (sdata->vif.bss_conf.use_short_preamble)
541 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
542 if (sdata->vif.bss_conf.use_short_slot)
543 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
544 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
545 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 546
547 sinfo->sta_flags.set = 0;
548 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
549 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
550 BIT(NL80211_STA_FLAG_WME) |
551 BIT(NL80211_STA_FLAG_MFP) |
e4121562 552 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
d582cffb 553 BIT(NL80211_STA_FLAG_ASSOCIATED) |
e4121562 554 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 555 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
556 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
557 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
558 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
559 if (test_sta_flag(sta, WLAN_STA_WME))
560 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
561 if (test_sta_flag(sta, WLAN_STA_MFP))
562 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
563 if (test_sta_flag(sta, WLAN_STA_AUTH))
564 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
d582cffb
JB		 565 if (test_sta_flag(sta, WLAN_STA_ASSOC))
566 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
e4121562
HS		 567 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
568 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 569}
570
b1ab7925
BG		 571static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
572 "rx_packets", "rx_bytes", "wep_weak_iv_count",
573 "rx_duplicates", "rx_fragments", "rx_dropped",
574 "tx_packets", "tx_bytes", "tx_fragments",
575 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 576 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
577 "channel", "noise", "ch_time", "ch_time_busy",
578 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 579};
580#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
581
582static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
583 struct net_device *dev,
584 int sset)
585{
e352114f
BG		 586 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
587 int rv = 0;
588
b1ab7925 589 if (sset == ETH_SS_STATS)
e352114f
BG		 590 rv += STA_STATS_LEN;
591
592 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 593
e352114f
BG		 594 if (rv == 0)
595 return -EOPNOTSUPP;
596 return rv;
b1ab7925
BG		 597}
598
599static void ieee80211_get_et_stats(struct wiphy *wiphy,
600 struct net_device *dev,
601 struct ethtool_stats *stats,
602 u64 *data)
603{
604 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 605 struct ieee80211_chanctx_conf *chanctx_conf;
606 struct ieee80211_channel *channel;
b1ab7925
BG		 607 struct sta_info *sta;
608 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 609 struct station_info sinfo;
610 struct survey_info survey;
611 int i, q;
612#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 613
614 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
615
616#define ADD_STA_STATS(sta) \
617 do { \
618 data[i++] += sta->rx_packets; \
619 data[i++] += sta->rx_bytes; \
620 data[i++] += sta->wep_weak_iv_count; \
621 data[i++] += sta->num_duplicates; \
622 data[i++] += sta->rx_fragments; \
623 data[i++] += sta->rx_dropped; \
624 \
560d2682
JB		 625 data[i++] += sinfo.tx_packets; \
626 data[i++] += sinfo.tx_bytes; \
b1ab7925
BG		 627 data[i++] += sta->tx_fragments; \
628 data[i++] += sta->tx_filtered_count; \
629 data[i++] += sta->tx_retry_failed; \
630 data[i++] += sta->tx_retry_count; \
631 data[i++] += sta->beacon_loss_count; \
632 } while (0)
633
634 /* For Managed stations, find the single station based on BSSID
635 * and use that. For interface types, iterate through all available
636 * stations and add stats for any station that is assigned to this
637 * network device.
638 */
639
66572cfc 640 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 641
642 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
643 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 644
645 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
646 goto do_survey;
647
560d2682
JB		 648 sinfo.filled = 0;
649 sta_set_sinfo(sta, &sinfo);
650
3073a7c2
BG		 651 i = 0;
652 ADD_STA_STATS(sta);
653
654 data[i++] = sta->sta_state;
655
3073a7c2 656
5204267d 657 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 658 data[i] = 100000 *
659 cfg80211_calculate_bitrate(&sinfo.txrate);
660 i++;
5204267d 661 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 662 data[i] = 100000 *
663 cfg80211_calculate_bitrate(&sinfo.rxrate);
664 i++;
665
5204267d 666 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 667 data[i] = (u8)sinfo.signal_avg;
668 i++;
b1ab7925 669 } else {
66572cfc 670 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 671 /* Make sure this station belongs to the proper dev */
672 if (sta->sdata->dev != dev)
673 continue;
674
e13bae4f
JB		 675 sinfo.filled = 0;
676 sta_set_sinfo(sta, &sinfo);
b1ab7925
BG		 677 i = 0;
678 ADD_STA_STATS(sta);
b1ab7925
BG		 679 }
680 }
681
3073a7c2
BG		 682do_survey:
683 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
684 /* Get survey stats for current channel */
55de908a 685 survey.filled = 0;
3073a7c2 686
55de908a
JB		 687 rcu_read_lock();
688 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
689 if (chanctx_conf)
4bf88530 690 channel = chanctx_conf->def.chan;
55de908a
JB		 691 else
692 channel = NULL;
693 rcu_read_unlock();
694
695 if (channel) {
696 q = 0;
697 do {
698 survey.filled = 0;
699 if (drv_get_survey(local, q, &survey) != 0) {
700 survey.filled = 0;
701 break;
702 }
703 q++;
704 } while (channel != survey.channel);
3073a7c2
BG		 705 }
706
707 if (survey.filled)
708 data[i++] = survey.channel->center_freq;
709 else
710 data[i++] = 0;
711 if (survey.filled & SURVEY_INFO_NOISE_DBM)
712 data[i++] = (u8)survey.noise;
713 else
714 data[i++] = -1LL;
715 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
716 data[i++] = survey.channel_time;
717 else
718 data[i++] = -1LL;
719 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
720 data[i++] = survey.channel_time_busy;
721 else
722 data[i++] = -1LL;
723 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
724 data[i++] = survey.channel_time_ext_busy;
725 else
726 data[i++] = -1LL;
727 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
728 data[i++] = survey.channel_time_rx;
729 else
730 data[i++] = -1LL;
731 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
732 data[i++] = survey.channel_time_tx;
733 else
734 data[i++] = -1LL;
735
66572cfc 736 mutex_unlock(&local->sta_mtx);
e352114f 737
3073a7c2
BG		 738 if (WARN_ON(i != STA_STATS_LEN))
739 return;
740
e352114f 741 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 742}
743
744static void ieee80211_get_et_strings(struct wiphy *wiphy,
745 struct net_device *dev,
746 u32 sset, u8 *data)
747{
e352114f
BG		 748 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
749 int sz_sta_stats = 0;
750
b1ab7925 751 if (sset == ETH_SS_STATS) {
e352114f 752 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
bd500af2 753 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
b1ab7925 754 }
e352114f 755 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 756}
c5dd9c2b
LCC		 757
758static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
759 int idx, u8 *mac, struct station_info *sinfo)
760{
3b53fde8 761 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 762 struct ieee80211_local *local = sdata->local;
c5dd9c2b 763 struct sta_info *sta;
d0709a65
JB		 764 int ret = -ENOENT;
765
66572cfc 766 mutex_lock(&local->sta_mtx);
c5dd9c2b 767
3b53fde8 768 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 769 if (sta) {
770 ret = 0;
17741cdc 771 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 772 sta_set_sinfo(sta, sinfo);
773 }
c5dd9c2b 774
66572cfc 775 mutex_unlock(&local->sta_mtx);
c5dd9c2b 776
d0709a65 777 return ret;
c5dd9c2b
LCC		 778}
779
1289723e
HS		 780static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
781 int idx, struct survey_info *survey)
782{
783 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
784
1289723e
HS		 785 return drv_get_survey(local, idx, survey);
786}
787
7bbdd2d9 788static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 789 u8 *mac, struct station_info *sinfo)
7bbdd2d9 790{
abe60632 791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 792 struct ieee80211_local *local = sdata->local;
7bbdd2d9 793 struct sta_info *sta;
d0709a65 794 int ret = -ENOENT;
7bbdd2d9 795
66572cfc 796 mutex_lock(&local->sta_mtx);
7bbdd2d9 797
0e5ded5a 798 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 799 if (sta) {
800 ret = 0;
801 sta_set_sinfo(sta, sinfo);
802 }
803
66572cfc 804 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 805
806 return ret;
7bbdd2d9
JB		 807}
808
55de908a 809static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 810 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 811{
812 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 813 struct ieee80211_sub_if_data *sdata;
814 int ret = 0;
3d9e6e12 815
4bf88530 816 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 817 return 0;
3d9e6e12 818
55de908a
JB		 819 mutex_lock(&local->iflist_mtx);
820 if (local->use_chanctx) {
821 sdata = rcu_dereference_protected(
822 local->monitor_sdata,
823 lockdep_is_held(&local->iflist_mtx));
824 if (sdata) {
825 ieee80211_vif_release_channel(sdata);
4bf88530 826 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 827 IEEE80211_CHANCTX_EXCLUSIVE);
828 }
829 } else if (local->open_count == local->monitors) {
675a0b04 830 local->_oper_chandef = *chandef;
55de908a
JB		 831 ieee80211_hw_config(local, 0);
832 }
3d9e6e12 833
4bf88530
JB		 834 if (ret == 0)
835 local->monitor_chandef = *chandef;
55de908a 836 mutex_unlock(&local->iflist_mtx);
3d9e6e12 837
55de908a 838 return ret;
e8c9bd5b
JB		 839}
840
02945821 841static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 842 const u8 *resp, size_t resp_len)
02945821 843{
aa7a0080 844 struct probe_resp *new, *old;
02945821
AN		 845
846 if (!resp || !resp_len)
aba4e6ff 847 return 1;
02945821 848
f724828b 849 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 850
aa7a0080 851 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 852 if (!new)
853 return -ENOMEM;
854
aa7a0080
ES		 855 new->len = resp_len;
856 memcpy(new->data, resp, resp_len);
02945821
AN		 857
858 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 859 if (old)
860 kfree_rcu(old, rcu_head);
02945821
AN		 861
862 return 0;
863}
864
73da7d5b
SW		 865int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
866 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 867{
868 struct beacon_data *new, *old;
869 int new_head_len, new_tail_len;
8860020e
JB		 870 int size, err;
871 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 872
40b275b6 873 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 874
5dfdaf58
JB		 875 /* Need to have a beacon head if we don't have one yet */
876 if (!params->head && !old)
8860020e 877 return -EINVAL;
5dfdaf58
JB		 878
879 /* new or old head? */
880 if (params->head)
881 new_head_len = params->head_len;
882 else
883 new_head_len = old->head_len;
884
885 /* new or old tail? */
886 if (params->tail || !old)
887 /* params->tail_len will be zero for !params->tail */
888 new_tail_len = params->tail_len;
889 else
890 new_tail_len = old->tail_len;
891
892 size = sizeof(*new) + new_head_len + new_tail_len;
893
894 new = kzalloc(size, GFP_KERNEL);
895 if (!new)
896 return -ENOMEM;
897
898 /* start filling the new info now */
899
5dfdaf58
JB		 900 /*
901 * pointers go into the block we allocated,
902 * memory is | beacon_data | head | tail |
903 */
904 new->head = ((u8 *) new) + sizeof(*new);
905 new->tail = new->head + new_head_len;
906 new->head_len = new_head_len;
907 new->tail_len = new_tail_len;
908
909 /* copy in head */
910 if (params->head)
911 memcpy(new->head, params->head, new_head_len);
912 else
913 memcpy(new->head, old->head, new_head_len);
914
915 /* copy in optional tail */
916 if (params->tail)
917 memcpy(new->tail, params->tail, new_tail_len);
918 else
919 if (old)
920 memcpy(new->tail, old->tail, new_tail_len);
921
02945821
AN		 922 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
923 params->probe_resp_len);
8860020e
JB		 924 if (err < 0)
925 return err;
926 if (err == 0)
02945821
AN		 927 changed |= BSS_CHANGED_AP_PROBE_RESP;
928
8860020e
JB		 929 rcu_assign_pointer(sdata->u.ap.beacon, new);
930
931 if (old)
932 kfree_rcu(old, rcu_head);
7827493b 933
8860020e 934 return changed;
5dfdaf58
JB		 935}
936
8860020e
JB		 937static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
938 struct cfg80211_ap_settings *params)
5dfdaf58 939{
8860020e 940 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 941 struct beacon_data *old;
665c93a9 942 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 943 u32 changed = BSS_CHANGED_BEACON_INT |
944 BSS_CHANGED_BEACON_ENABLED |
945 BSS_CHANGED_BEACON |
339afbf4
JB		 946 BSS_CHANGED_SSID |
947 BSS_CHANGED_P2P_PS;
8860020e 948 int err;
14db74bc 949
40b275b6 950 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 951 if (old)
952 return -EALREADY;
953
04ecd257
JB		 954 /* TODO: make hostapd tell us what it wants */
955 sdata->smps_mode = IEEE80211_SMPS_OFF;
956 sdata->needed_rx_chains = sdata->local->rx_chains;
164eb02d 957 sdata->radar_required = params->radar_required;
04ecd257 958
4bf88530 959 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 960 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 961 if (err)
962 return err;
1f4ac5a6 963 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
aa430da4 964
665c93a9
JB		 965 /*
966 * Apply control port protocol, this allows us to
967 * not encrypt dynamic WEP control frames.
968 */
969 sdata->control_port_protocol = params->crypto.control_port_ethertype;
970 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
971 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
972 vlan->control_port_protocol =
973 params->crypto.control_port_ethertype;
974 vlan->control_port_no_encrypt =
975 params->crypto.control_port_no_encrypt;
976 }
977
8860020e
JB		 978 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
979 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 980 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 981
982 sdata->vif.bss_conf.ssid_len = params->ssid_len;
983 if (params->ssid_len)
984 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
985 params->ssid_len);
986 sdata->vif.bss_conf.hidden_ssid =
987 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
988
67baf663
JD		 989 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
990 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
991 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
992 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
993 if (params->p2p_opp_ps)
994 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
995 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 996
8860020e
JB		 997 err = ieee80211_assign_beacon(sdata, &params->beacon);
998 if (err < 0)
999 return err;
1000 changed |= err;
1001
1041638f
JB		 1002 err = drv_start_ap(sdata->local, sdata);
1003 if (err) {
1004 old = rtnl_dereference(sdata->u.ap.beacon);
1005 if (old)
1006 kfree_rcu(old, rcu_head);
1007 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1008 return err;
1009 }
1010
8860020e
JB		 1011 ieee80211_bss_info_change_notify(sdata, changed);
1012
3edaf3e6
JB		 1013 netif_carrier_on(dev);
1014 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1015 netif_carrier_on(vlan->dev);
1016
665c93a9 1017 return 0;
5dfdaf58
JB		 1018}
1019
8860020e
JB		 1020static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1021 struct cfg80211_beacon_data *params)
5dfdaf58 1022{
14db74bc 1023 struct ieee80211_sub_if_data *sdata;
5dfdaf58 1024 struct beacon_data *old;
8860020e 1025 int err;
5dfdaf58 1026
14db74bc
JB		 1027 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1028
73da7d5b
SW		 1029 /* don't allow changing the beacon while CSA is in place - offset
1030 * of channel switch counter may change
1031 */
1032 if (sdata->vif.csa_active)
1033 return -EBUSY;
1034
40b275b6 1035 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 1036 if (!old)
1037 return -ENOENT;
1038
8860020e
JB		 1039 err = ieee80211_assign_beacon(sdata, params);
1040 if (err < 0)
1041 return err;
1042 ieee80211_bss_info_change_notify(sdata, err);
1043 return 0;
5dfdaf58
JB		 1044}
1045
8860020e 1046static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1047{
7b20b8e8
JB		 1048 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1049 struct ieee80211_sub_if_data *vlan;
1050 struct ieee80211_local *local = sdata->local;
1051 struct beacon_data *old_beacon;
1052 struct probe_resp *old_probe_resp;
14db74bc 1053
7b20b8e8
JB		 1054 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1055 if (!old_beacon)
5dfdaf58 1056 return -ENOENT;
7b20b8e8 1057 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 1058
73da7d5b
SW		 1059 /* abort any running channel switch */
1060 sdata->vif.csa_active = false;
1061 cancel_work_sync(&sdata->csa_finalize_work);
1062
7b20b8e8 1063 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1064 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1065 netif_carrier_off(vlan->dev);
1066 netif_carrier_off(dev);
1067
7b20b8e8 1068 /* remove beacon and probe response */
a9b3cd7f 1069 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1070 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1071 kfree_rcu(old_beacon, rcu_head);
1072 if (old_probe_resp)
1073 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1074
2d4072a5 1075 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1076 sta_info_flush_defer(vlan);
1077 sta_info_flush_defer(sdata);
8ceb5955 1078 synchronize_net();
75de9113 1079 rcu_barrier();
7b4396bd 1080 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
75de9113 1081 sta_info_flush_cleanup(vlan);
7b4396bd
JB		 1082 ieee80211_free_keys(vlan);
1083 }
75de9113 1084 sta_info_flush_cleanup(sdata);
7b4396bd 1085 ieee80211_free_keys(sdata);
75de9113 1086
d6a83228 1087 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1088 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1089 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1090 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1091
a6b368f6
SW		 1092 if (sdata->wdev.cac_started) {
1093 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1094 cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_ABORTED,
1095 GFP_KERNEL);
1096 }
1097
1041638f
JB		 1098 drv_stop_ap(sdata->local, sdata);
1099
7b20b8e8
JB		 1100 /* free all potentially still buffered bcast frames */
1101 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1102 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1103
1f4ac5a6 1104 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a
JB		 1105 ieee80211_vif_release_channel(sdata);
1106
2d0ddec5 1107 return 0;
5dfdaf58
JB		 1108}
1109
4fd6931e
JB		 1110/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1111struct iapp_layer2_update {
1112 u8 da[ETH_ALEN]; /* broadcast */
1113 u8 sa[ETH_ALEN]; /* STA addr */
1114 __be16 len; /* 6 */
1115 u8 dsap; /* 0 */
1116 u8 ssap; /* 0 */
1117 u8 control;
1118 u8 xid_info[3];
bc10502d 1119} __packed;
4fd6931e
JB		 1120
1121static void ieee80211_send_layer2_update(struct sta_info *sta)
1122{
1123 struct iapp_layer2_update *msg;
1124 struct sk_buff *skb;
1125
1126 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1127 * bridge devices */
1128
1129 skb = dev_alloc_skb(sizeof(*msg));
1130 if (!skb)
1131 return;
1132 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1133
1134 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1135 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1136
e83e6541 1137 eth_broadcast_addr(msg->da);
17741cdc 1138 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1139 msg->len = htons(6);
1140 msg->dsap = 0;
1141 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1142 msg->control = 0xaf; /* XID response lsb.1111F101.
1143 * F=0 (no poll command; unsolicited frame) */
1144 msg->xid_info[0] = 0x81; /* XID format identifier */
1145 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1146 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1147
d0709a65
JB		 1148 skb->dev = sta->sdata->dev;
1149 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1150 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1151 netif_rx_ni(skb);
4fd6931e
JB		 1152}
1153
d582cffb
JB		 1154static int sta_apply_auth_flags(struct ieee80211_local *local,
1155 struct sta_info *sta,
1156 u32 mask, u32 set)
1157{
1158 int ret;
1159
1160 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1161 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1162 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1163 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1164 if (ret)
1165 return ret;
1166 }
1167
1168 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1169 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1170 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1171 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1172 if (ret)
1173 return ret;
1174 }
1175
1176 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1177 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1178 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1179 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1180 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1181 else
1182 ret = 0;
1183 if (ret)
1184 return ret;
1185 }
1186
1187 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1188 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1189 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1190 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1191 if (ret)
1192 return ret;
1193 }
1194
1195 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1196 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1197 test_sta_flag(sta, WLAN_STA_AUTH)) {
1198 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1199 if (ret)
1200 return ret;
1201 }
1202
1203 return 0;
1204}
1205
d9a7ddb0
JB		 1206static int sta_apply_parameters(struct ieee80211_local *local,
1207 struct sta_info *sta,
1208 struct station_parameters *params)
4fd6931e 1209{
d9a7ddb0 1210 int ret = 0;
8318d78a 1211 struct ieee80211_supported_band *sband;
d0709a65 1212 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1213 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1214 u32 mask, set;
4fd6931e 1215
55de908a 1216 sband = local->hw.wiphy->bands[band];
ae5eb026 1217
eccb8e8f
JB		 1218 mask = params->sta_flags_mask;
1219 set = params->sta_flags_set;
73651ee6 1220
d582cffb
JB		 1221 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1222 /*
1223 * In mesh mode, ASSOCIATED isn't part of the nl80211
1224 * API but must follow AUTHENTICATED for driver state.
1225 */
1226 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1227 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1228 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1229 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1230 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1231 /*
1232 * TDLS -- everything follows authorized, but
1233 * only becoming authorized is possible, not
1234 * going back
1235 */
1236 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1237 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1238 BIT(NL80211_STA_FLAG_ASSOCIATED);
1239 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1240 BIT(NL80211_STA_FLAG_ASSOCIATED);
1241 }
eccb8e8f 1242 }
4fd6931e 1243
d582cffb
JB		 1244 ret = sta_apply_auth_flags(local, sta, mask, set);
1245 if (ret)
1246 return ret;
d9a7ddb0 1247
eccb8e8f 1248 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1249 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1250 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1251 else
1252 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1253 }
4fd6931e 1254
eccb8e8f 1255 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1256 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1257 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1258 sta->sta.wme = true;
c2c98fde
JB		 1259 } else {
1260 clear_sta_flag(sta, WLAN_STA_WME);
1261 sta->sta.wme = false;
39df600a 1262 }
eccb8e8f 1263 }
5394af4d 1264
eccb8e8f 1265 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1266 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1267 set_sta_flag(sta, WLAN_STA_MFP);
1268 else
1269 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1270 }
b39c48fa 1271
07ba55d7 1272 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1273 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1274 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1275 else
1276 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1277 }
4fd6931e 1278
3b9ce80c
JB		 1279 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1280 sta->sta.uapsd_queues = params->uapsd_queues;
1281 sta->sta.max_sp = params->max_sp;
1282 }
9533b4ac 1283
51b50fbe
JB		 1284 /*
1285 * cfg80211 validates this (1-2007) and allows setting the AID
1286 * only when creating a new station entry
1287 */
1288 if (params->aid)
1289 sta->sta.aid = params->aid;
1290
73651ee6 1291 /*
ba23d206
JB		 1292 * Some of the following updates would be racy if called on an
1293 * existing station, via ieee80211_change_station(). However,
1294 * all such changes are rejected by cfg80211 except for updates
1295 * changing the supported rates on an existing but not yet used
1296 * TDLS peer.
73651ee6
JB		 1297 */
1298
4fd6931e
JB		 1299 if (params->listen_interval >= 0)
1300 sta->listen_interval = params->listen_interval;
1301
1302 if (params->supported_rates) {
2103dec1
SW		 1303 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1304 sband, params->supported_rates,
1305 params->supported_rates_len,
1306 &sta->sta.supp_rates[band]);
4fd6931e 1307 }
c5dd9c2b 1308
d9fe60de 1309 if (params->ht_capa)
ef96a842 1310 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1311 params->ht_capa, sta);
36aedc90 1312
f461be3e
MP		 1313 if (params->vht_capa)
1314 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1315 params->vht_capa, sta);
f461be3e 1316
9c3990aa 1317 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1318#ifdef CONFIG_MAC80211_MESH
39886b61 1319 u32 changed = 0;
77ee7c89
JB		 1320
1321 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1322 switch (params->plink_state) {
57cf8043 1323 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1324 if (sta->plink_state != NL80211_PLINK_ESTAB)
1325 changed = mesh_plink_inc_estab_count(
1326 sdata);
1327 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1328
1329 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1330 changed |= ieee80211_mps_set_sta_local_pm(sta,
1331 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1332 break;
1333 case NL80211_PLINK_LISTEN:
57cf8043 1334 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1335 case NL80211_PLINK_OPN_SNT:
1336 case NL80211_PLINK_OPN_RCVD:
1337 case NL80211_PLINK_CNF_RCVD:
1338 case NL80211_PLINK_HOLDING:
1339 if (sta->plink_state == NL80211_PLINK_ESTAB)
1340 changed = mesh_plink_dec_estab_count(
1341 sdata);
9c3990aa 1342 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1343
1344 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1345 changed |=
1346 ieee80211_mps_local_status_update(sdata);
9c3990aa
JC		 1347 break;
1348 default:
1349 /* nothing */
1350 break;
1351 }
77ee7c89
JB		 1352 }
1353
1354 switch (params->plink_action) {
1355 case NL80211_PLINK_ACTION_NO_ACTION:
1356 /* nothing */
1357 break;
1358 case NL80211_PLINK_ACTION_OPEN:
1359 changed |= mesh_plink_open(sta);
1360 break;
1361 case NL80211_PLINK_ACTION_BLOCK:
1362 changed |= mesh_plink_block(sta);
1363 break;
1617bab8 1364 }
3f52b7e3
MP		 1365
1366 if (params->local_pm)
39886b61
TP		 1367 changed |=
1368 ieee80211_mps_set_sta_local_pm(sta,
1369 params->local_pm);
1370 ieee80211_bss_info_change_notify(sdata, changed);
4daf50f2 1371#endif
902acc78 1372 }
d9a7ddb0
JB		 1373
1374 return 0;
4fd6931e
JB		 1375}
1376
1377static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1378 u8 *mac, struct station_parameters *params)
1379{
14db74bc 1380 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1381 struct sta_info *sta;
1382 struct ieee80211_sub_if_data *sdata;
73651ee6 1383 int err;
b8d476c8 1384 int layer2_update;
4fd6931e 1385
4fd6931e
JB		 1386 if (params->vlan) {
1387 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1388
05c914fe
JB		 1389 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1390 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1391 return -EINVAL;
1392 } else
1393 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1394
b203ca39 1395 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1396 return -EINVAL;
1397
1398 if (is_multicast_ether_addr(mac))
1399 return -EINVAL;
1400
1401 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1402 if (!sta)
1403 return -ENOMEM;
4fd6931e 1404
d582cffb
JB		 1405 /*
1406 * defaults -- if userspace wants something else we'll
1407 * change it accordingly in sta_apply_parameters()
1408 */
77ee7c89
JB		 1409 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1410 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1411 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1412 }
4fd6931e 1413
d9a7ddb0
JB		 1414 err = sta_apply_parameters(local, sta, params);
1415 if (err) {
1416 sta_info_free(local, sta);
1417 return err;
1418 }
4fd6931e 1419
d64cf63e 1420 /*
77ee7c89
JB		 1421 * for TDLS, rate control should be initialized only when
1422 * rates are known and station is marked authorized
d64cf63e
AN		 1423 */
1424 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1425 rate_control_rate_init(sta);
4fd6931e 1426
b8d476c8
JM		 1427 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1428 sdata->vif.type == NL80211_IFTYPE_AP;
1429
34e89507 1430 err = sta_info_insert_rcu(sta);
73651ee6 1431 if (err) {
73651ee6
JB		 1432 rcu_read_unlock();
1433 return err;
1434 }
1435
b8d476c8 1436 if (layer2_update)
73651ee6
JB		 1437 ieee80211_send_layer2_update(sta);
1438
1439 rcu_read_unlock();
1440
4fd6931e
JB		 1441 return 0;
1442}
1443
1444static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1445 u8 *mac)
1446{
14db74bc 1447 struct ieee80211_sub_if_data *sdata;
4fd6931e 1448
14db74bc
JB		 1449 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1450
34e89507
JB		 1451 if (mac)
1452 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1453
b998e8bb 1454 sta_info_flush(sdata);
4fd6931e
JB		 1455 return 0;
1456}
1457
1458static int ieee80211_change_station(struct wiphy *wiphy,
77ee7c89 1459 struct net_device *dev, u8 *mac,
4fd6931e
JB		 1460 struct station_parameters *params)
1461{
abe60632 1462 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1463 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1464 struct sta_info *sta;
1465 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1466 enum cfg80211_station_type statype;
35b88623 1467 int err;
4fd6931e 1468
87be1e1e 1469 mutex_lock(&local->sta_mtx);
98dd6a57 1470
0e5ded5a 1471 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1472 if (!sta) {
77ee7c89
JB		 1473 err = -ENOENT;
1474 goto out_err;
98dd6a57 1475 }
4fd6931e 1476
77ee7c89
JB		 1477 switch (sdata->vif.type) {
1478 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1479 if (sdata->u.mesh.user_mpm)
eef941e6 1480 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1481 else
eef941e6 1482 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1483 break;
1484 case NL80211_IFTYPE_ADHOC:
1485 statype = CFG80211_STA_IBSS;
1486 break;
1487 case NL80211_IFTYPE_STATION:
1488 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1489 statype = CFG80211_STA_AP_STA;
1490 break;
1491 }
1492 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1493 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1494 else
1495 statype = CFG80211_STA_TDLS_PEER_SETUP;
1496 break;
1497 case NL80211_IFTYPE_AP:
1498 case NL80211_IFTYPE_AP_VLAN:
1499 statype = CFG80211_STA_AP_CLIENT;
1500 break;
1501 default:
1502 err = -EOPNOTSUPP;
1503 goto out_err;
bdd90d5e
JB		 1504 }
1505
77ee7c89
JB		 1506 err = cfg80211_check_station_change(wiphy, params, statype);
1507 if (err)
1508 goto out_err;
1509
d0709a65 1510 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1511 bool prev_4addr = false;
1512 bool new_4addr = false;
1513
4fd6931e
JB		 1514 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1515
9bc383de 1516 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1517 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1518 err = -EBUSY;
1519 goto out_err;
3305443c 1520 }
f14543ee 1521
cf778b00 1522 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1523 new_4addr = true;
1524 }
1525
1526 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1527 sta->sdata->u.vlan.sta) {
1528 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1529 prev_4addr = true;
f14543ee
FF		 1530 }
1531
14db74bc 1532 sta->sdata = vlansdata;
7e3ed02c
FF		 1533
1534 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1535 prev_4addr != new_4addr) {
1536 if (new_4addr)
1537 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1538 else
1539 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1540 }
1541
4fd6931e
JB		 1542 ieee80211_send_layer2_update(sta);
1543 }
1544
35b88623 1545 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1546 if (err)
1547 goto out_err;
4fd6931e 1548
77ee7c89
JB		 1549 /* When peer becomes authorized, init rate control as well */
1550 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1551 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1552 rate_control_rate_init(sta);
1553
87be1e1e 1554 mutex_unlock(&local->sta_mtx);
98dd6a57 1555
808118cb 1556 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1557 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1558 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1559 ieee80211_recalc_ps_vif(sdata);
1560 }
77ee7c89 1561
4fd6931e 1562 return 0;
77ee7c89
JB		 1563out_err:
1564 mutex_unlock(&local->sta_mtx);
1565 return err;
4fd6931e
JB		 1566}
1567
c5dd9c2b
LCC		 1568#ifdef CONFIG_MAC80211_MESH
1569static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1570 u8 *dst, u8 *next_hop)
1571{
14db74bc 1572 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1573 struct mesh_path *mpath;
1574 struct sta_info *sta;
c5dd9c2b 1575
14db74bc
JB		 1576 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1577
d0709a65 1578 rcu_read_lock();
abe60632 1579 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1580 if (!sta) {
1581 rcu_read_unlock();
c5dd9c2b 1582 return -ENOENT;
d0709a65 1583 }
c5dd9c2b 1584
ae76eef0
BC		 1585 mpath = mesh_path_add(sdata, dst);
1586 if (IS_ERR(mpath)) {
d0709a65 1587 rcu_read_unlock();
ae76eef0 1588 return PTR_ERR(mpath);
d0709a65 1589 }
c5dd9c2b 1590
c5dd9c2b 1591 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1592
c5dd9c2b
LCC		 1593 rcu_read_unlock();
1594 return 0;
1595}
1596
1597static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1598 u8 *dst)
c5dd9c2b 1599{
f698d856
JBG		 1600 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1601
c5dd9c2b 1602 if (dst)
bf7cd94d 1603 return mesh_path_del(sdata, dst);
c5dd9c2b 1604
ece1a2e7 1605 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1606 return 0;
1607}
1608
1609static int ieee80211_change_mpath(struct wiphy *wiphy,
1610 struct net_device *dev,
1611 u8 *dst, u8 *next_hop)
1612{
14db74bc 1613 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1614 struct mesh_path *mpath;
1615 struct sta_info *sta;
1616
14db74bc
JB		 1617 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1618
d0709a65
JB		 1619 rcu_read_lock();
1620
abe60632 1621 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1622 if (!sta) {
1623 rcu_read_unlock();
c5dd9c2b 1624 return -ENOENT;
d0709a65 1625 }
c5dd9c2b 1626
bf7cd94d 1627 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1628 if (!mpath) {
1629 rcu_read_unlock();
c5dd9c2b
LCC		 1630 return -ENOENT;
1631 }
1632
1633 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1634
c5dd9c2b
LCC		 1635 rcu_read_unlock();
1636 return 0;
1637}
1638
1639static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1640 struct mpath_info *pinfo)
1641{
a3836e02
JB		 1642 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1643
1644 if (next_hop_sta)
1645 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1646 else
1647 memset(next_hop, 0, ETH_ALEN);
1648
7ce8c7a3
LAYS		 1649 memset(pinfo, 0, sizeof(*pinfo));
1650
f5ea9120
JB		 1651 pinfo->generation = mesh_paths_generation;
1652
c5dd9c2b 1653 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1654 MPATH_INFO_SN |
c5dd9c2b
LCC		 1655 MPATH_INFO_METRIC |
1656 MPATH_INFO_EXPTIME |
1657 MPATH_INFO_DISCOVERY_TIMEOUT |
1658 MPATH_INFO_DISCOVERY_RETRIES |
1659 MPATH_INFO_FLAGS;
1660
1661 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1662 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1663 pinfo->metric = mpath->metric;
1664 if (time_before(jiffies, mpath->exp_time))
1665 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1666 pinfo->discovery_timeout =
1667 jiffies_to_msecs(mpath->discovery_timeout);
1668 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1669 if (mpath->flags & MESH_PATH_ACTIVE)
1670 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1671 if (mpath->flags & MESH_PATH_RESOLVING)
1672 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1673 if (mpath->flags & MESH_PATH_SN_VALID)
1674 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1675 if (mpath->flags & MESH_PATH_FIXED)
1676 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1677 if (mpath->flags & MESH_PATH_RESOLVED)
1678 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1679}
1680
1681static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1682 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1683
1684{
14db74bc 1685 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1686 struct mesh_path *mpath;
1687
14db74bc
JB		 1688 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1689
c5dd9c2b 1690 rcu_read_lock();
bf7cd94d 1691 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1692 if (!mpath) {
1693 rcu_read_unlock();
1694 return -ENOENT;
1695 }
1696 memcpy(dst, mpath->dst, ETH_ALEN);
1697 mpath_set_pinfo(mpath, next_hop, pinfo);
1698 rcu_read_unlock();
1699 return 0;
1700}
1701
1702static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1703 int idx, u8 *dst, u8 *next_hop,
1704 struct mpath_info *pinfo)
1705{
14db74bc 1706 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1707 struct mesh_path *mpath;
1708
14db74bc
JB		 1709 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1710
c5dd9c2b 1711 rcu_read_lock();
bf7cd94d 1712 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1713 if (!mpath) {
1714 rcu_read_unlock();
1715 return -ENOENT;
1716 }
1717 memcpy(dst, mpath->dst, ETH_ALEN);
1718 mpath_set_pinfo(mpath, next_hop, pinfo);
1719 rcu_read_unlock();
1720 return 0;
1721}
93da9cc1 1722
24bdd9f4 1723static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1724 struct net_device *dev,
1725 struct mesh_config *conf)
1726{
1727 struct ieee80211_sub_if_data *sdata;
1728 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1729
93da9cc1 1730 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1731 return 0;
1732}
1733
1734static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1735{
1736 return (mask >> (parm-1)) & 0x1;
1737}
1738
c80d545d
JC		 1739static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1740 const struct mesh_setup *setup)
1741{
1742 u8 *new_ie;
1743 const u8 *old_ie;
4bb62344
CYY		 1744 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1745 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1746
581a8b0f 1747 /* allocate information elements */
c80d545d 1748 new_ie = NULL;
581a8b0f 1749 old_ie = ifmsh->ie;
c80d545d 1750
581a8b0f
JC		 1751 if (setup->ie_len) {
1752 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1753 GFP_KERNEL);
1754 if (!new_ie)
1755 return -ENOMEM;
1756 }
581a8b0f
JC		 1757 ifmsh->ie_len = setup->ie_len;
1758 ifmsh->ie = new_ie;
1759 kfree(old_ie);
c80d545d
JC		 1760
1761 /* now copy the rest of the setup parameters */
1762 ifmsh->mesh_id_len = setup->mesh_id_len;
1763 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1764 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1765 ifmsh->mesh_pp_id = setup->path_sel_proto;
1766 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1767 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1768 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1769 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1770 if (setup->is_authenticated)
1771 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1772 if (setup->is_secure)
1773 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1774
4bb62344
CYY		 1775 /* mcast rate setting in Mesh Node */
1776 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1777 sizeof(setup->mcast_rate));
ffb3cf30 1778 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1779
9bdbf04d
MP		 1780 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1781 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1782
c80d545d
JC		 1783 return 0;
1784}
1785
24bdd9f4 1786static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1787 struct net_device *dev, u32 mask,
1788 const struct mesh_config *nconf)
93da9cc1 1789{
1790 struct mesh_config *conf;
1791 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1792 struct ieee80211_if_mesh *ifmsh;
1793
93da9cc1 1794 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1795 ifmsh = &sdata->u.mesh;
93da9cc1 1796
93da9cc1 1797 /* Set the config options which we are interested in setting */
1798 conf = &(sdata->u.mesh.mshcfg);
1799 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1800 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1801 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1802 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1803 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1804 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1805 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1806 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1807 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1808 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1809 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1810 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1811 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1812 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1813 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1814 if (ifmsh->user_mpm)
1815 return -EBUSY;
93da9cc1 1816 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1817 }
d299a1f2
JC		 1818 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1819 conf->dot11MeshNbrOffsetMaxNeighbor =
1820 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1821 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1822 conf->dot11MeshHWMPmaxPREQretries =
1823 nconf->dot11MeshHWMPmaxPREQretries;
1824 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1825 conf->path_refresh_time = nconf->path_refresh_time;
1826 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1827 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1828 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1829 conf->dot11MeshHWMPactivePathTimeout =
1830 nconf->dot11MeshHWMPactivePathTimeout;
1831 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1832 conf->dot11MeshHWMPpreqMinInterval =
1833 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1834 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1835 conf->dot11MeshHWMPperrMinInterval =
1836 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1837 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1838 mask))
1839 conf->dot11MeshHWMPnetDiameterTraversalTime =
1840 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1841 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1842 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1843 ieee80211_mesh_root_setup(ifmsh);
1844 }
16dd7267 1845 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1846 /* our current gate announcement implementation rides on root
1847 * announcements, so require this ifmsh to also be a root node
1848 * */
1849 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1850 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1851 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1852 ieee80211_mesh_root_setup(ifmsh);
1853 }
16dd7267
JC		 1854 conf->dot11MeshGateAnnouncementProtocol =
1855 nconf->dot11MeshGateAnnouncementProtocol;
1856 }
a4f606ea 1857 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1858 conf->dot11MeshHWMPRannInterval =
1859 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1860 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1861 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1862 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1863 /* our RSSI threshold implementation is supported only for
1864 * devices that report signal in dBm.
1865 */
1866 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1867 return -ENOTSUPP;
1868 conf->rssi_threshold = nconf->rssi_threshold;
1869 }
70c33eaa
AN		 1870 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1871 conf->ht_opmode = nconf->ht_opmode;
1872 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1873 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1874 }
ac1073a6
CYY		 1875 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1876 conf->dot11MeshHWMPactivePathToRootTimeout =
1877 nconf->dot11MeshHWMPactivePathToRootTimeout;
1878 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1879 conf->dot11MeshHWMProotInterval =
1880 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1881 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1882 conf->dot11MeshHWMPconfirmationInterval =
1883 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1884 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1885 conf->power_mode = nconf->power_mode;
1886 ieee80211_mps_local_status_update(sdata);
1887 }
2b5e1967 1888 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1889 conf->dot11MeshAwakeWindowDuration =
1890 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1891 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1892 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1893 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1894 return 0;
1895}
1896
29cbe68c
JB		 1897static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1898 const struct mesh_config *conf,
1899 const struct mesh_setup *setup)
1900{
1901 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1902 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1903 int err;
29cbe68c 1904
c80d545d
JC		 1905 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1906 err = copy_mesh_setup(ifmsh, setup);
1907 if (err)
1908 return err;
cc1d2806 1909
04ecd257
JB		 1910 /* can mesh use other SMPS modes? */
1911 sdata->smps_mode = IEEE80211_SMPS_OFF;
1912 sdata->needed_rx_chains = sdata->local->rx_chains;
1913
4bf88530 1914 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1915 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1916 if (err)
1917 return err;
1918
2b5e1967 1919 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1920}
1921
1922static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1923{
1924 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1925
1926 ieee80211_stop_mesh(sdata);
55de908a 1927 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1928
1929 return 0;
1930}
c5dd9c2b
LCC		 1931#endif
1932
9f1ba906
JM		 1933static int ieee80211_change_bss(struct wiphy *wiphy,
1934 struct net_device *dev,
1935 struct bss_parameters *params)
1936{
55de908a
JB		 1937 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1938 enum ieee80211_band band;
9f1ba906
JM		 1939 u32 changed = 0;
1940
55de908a
JB		 1941 if (!rtnl_dereference(sdata->u.ap.beacon))
1942 return -ENOENT;
1943
1944 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1945
9f1ba906 1946 if (params->use_cts_prot >= 0) {
bda3933a 1947 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1948 changed |= BSS_CHANGED_ERP_CTS_PROT;
1949 }
1950 if (params->use_short_preamble >= 0) {
bda3933a 1951 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1952 params->use_short_preamble;
1953 changed |= BSS_CHANGED_ERP_PREAMBLE;
1954 }
43d35343
FF		 1955
1956 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1957 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1958 sdata->vif.bss_conf.use_short_slot = true;
1959 changed |= BSS_CHANGED_ERP_SLOT;
1960 }
1961
9f1ba906 1962 if (params->use_short_slot_time >= 0) {
bda3933a 1963 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1964 params->use_short_slot_time;
1965 changed |= BSS_CHANGED_ERP_SLOT;
1966 }
1967
90c97a04 1968 if (params->basic_rates) {
2103dec1
SW		 1969 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1970 wiphy->bands[band],
1971 params->basic_rates,
1972 params->basic_rates_len,
1973 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1974 changed |= BSS_CHANGED_BASIC_RATES;
1975 }
1976
7b7b5e56
FF		 1977 if (params->ap_isolate >= 0) {
1978 if (params->ap_isolate)
1979 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1980 else
1981 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1982 }
1983
80d7e403
HS		 1984 if (params->ht_opmode >= 0) {
1985 sdata->vif.bss_conf.ht_operation_mode =
1986 (u16) params->ht_opmode;
1987 changed |= BSS_CHANGED_HT;
1988 }
1989
339afbf4 1990 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1991 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1992 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1993 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1994 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1995 changed |= BSS_CHANGED_P2P_PS;
1996 }
1997
67baf663
JD		 1998 if (params->p2p_opp_ps > 0) {
1999 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2000 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2001 changed |= BSS_CHANGED_P2P_PS;
2002 } else if (params->p2p_opp_ps == 0) {
2003 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2004 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2005 changed |= BSS_CHANGED_P2P_PS;
2006 }
2007
9f1ba906
JM		 2008 ieee80211_bss_info_change_notify(sdata, changed);
2009
2010 return 0;
2011}
2012
31888487 2013static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2014 struct net_device *dev,
31888487
JM		 2015 struct ieee80211_txq_params *params)
2016{
2017 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2018 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2019 struct ieee80211_tx_queue_params p;
2020
2021 if (!local->ops->conf_tx)
2022 return -EOPNOTSUPP;
2023
54bcbc69
JB		 2024 if (local->hw.queues < IEEE80211_NUM_ACS)
2025 return -EOPNOTSUPP;
2026
31888487
JM		 2027 memset(&p, 0, sizeof(p));
2028 p.aifs = params->aifs;
2029 p.cw_max = params->cwmax;
2030 p.cw_min = params->cwmin;
2031 p.txop = params->txop;
ab13315a
KV		 2032
2033 /*
2034 * Setting tx queue params disables u-apsd because it's only
2035 * called in master mode.
2036 */
2037 p.uapsd = false;
2038
a3304b0a
JB		 2039 sdata->tx_conf[params->ac] = p;
2040 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2041 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2042 "failed to set TX queue parameters for AC %d\n",
2043 params->ac);
31888487
JM		 2044 return -EINVAL;
2045 }
2046
7d25745d
JB		 2047 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2048
31888487
JM		 2049 return 0;
2050}
2051
665af4fc 2052#ifdef CONFIG_PM
ff1b6e69
JB		 2053static int ieee80211_suspend(struct wiphy *wiphy,
2054 struct cfg80211_wowlan *wowlan)
665af4fc 2055{
eecc4800 2056 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2057}
2058
2059static int ieee80211_resume(struct wiphy *wiphy)
2060{
2061 return __ieee80211_resume(wiphy_priv(wiphy));
2062}
2063#else
2064#define ieee80211_suspend NULL
2065#define ieee80211_resume NULL
2066#endif
2067
2a519311 2068static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2069 struct cfg80211_scan_request *req)
2070{
fd014284
JB		 2071 struct ieee80211_sub_if_data *sdata;
2072
2073 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2074
2ca27bcf
JB		 2075 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2076 case NL80211_IFTYPE_STATION:
2077 case NL80211_IFTYPE_ADHOC:
2078 case NL80211_IFTYPE_MESH_POINT:
2079 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2080 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2081 break;
2082 case NL80211_IFTYPE_P2P_GO:
2083 if (sdata->local->ops->hw_scan)
2084 break;
e9d7732e
JB		 2085 /*
2086 * FIXME: implement NoA while scanning in software,
2087 * for now fall through to allow scanning only when
2088 * beaconing hasn't been configured yet
2089 */
2ca27bcf 2090 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2091 /*
2092 * If the scan has been forced (and the driver supports
2093 * forcing), don't care about being beaconing already.
2094 * This will create problems to the attached stations (e.g. all
2095 * the frames sent while scanning on other channel will be
2096 * lost)
2097 */
2098 if (sdata->u.ap.beacon &&
2099 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2100 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2101 return -EOPNOTSUPP;
2102 break;
2103 default:
2104 return -EOPNOTSUPP;
2105 }
2a519311
JB		 2106
2107 return ieee80211_request_scan(sdata, req);
2108}
2109
79f460ca
LC		 2110static int
2111ieee80211_sched_scan_start(struct wiphy *wiphy,
2112 struct net_device *dev,
2113 struct cfg80211_sched_scan_request *req)
2114{
2115 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2116
2117 if (!sdata->local->ops->sched_scan_start)
2118 return -EOPNOTSUPP;
2119
2120 return ieee80211_request_sched_scan_start(sdata, req);
2121}
2122
2123static int
85a9994a 2124ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2125{
2126 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2127
2128 if (!sdata->local->ops->sched_scan_stop)
2129 return -EOPNOTSUPP;
2130
85a9994a 2131 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2132}
2133
636a5d36
JM		 2134static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2135 struct cfg80211_auth_request *req)
2136{
77fdaa12 2137 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2138}
2139
2140static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2141 struct cfg80211_assoc_request *req)
2142{
77fdaa12 2143 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2144}
2145
2146static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2147 struct cfg80211_deauth_request *req)
636a5d36 2148{
63c9c5e7 2149 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2150}
2151
2152static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2153 struct cfg80211_disassoc_request *req)
636a5d36 2154{
63c9c5e7 2155 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2156}
2157
af8cdcd8
JB		 2158static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2159 struct cfg80211_ibss_params *params)
2160{
55de908a 2161 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2162}
2163
2164static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2165{
55de908a 2166 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2167}
2168
391e53e3
AQ		 2169static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2170 int rate[IEEE80211_NUM_BANDS])
2171{
2172 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2173
9887dbf5
CD		 2174 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2175 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2176
2177 return 0;
2178}
2179
b9a5f8ca
JM		 2180static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2181{
2182 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2183 int err;
b9a5f8ca 2184
f23a4780
AN		 2185 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2186 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2187
2188 if (err)
2189 return err;
2190 }
2191
310bc676
LT		 2192 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2193 err = drv_set_coverage_class(local, wiphy->coverage_class);
2194
2195 if (err)
2196 return err;
2197 }
2198
b9a5f8ca 2199 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2200 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2201
24487981
JB		 2202 if (err)
2203 return err;
b9a5f8ca
JM		 2204 }
2205
8bc83c24
JB		 2206 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2207 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2208 return -EINVAL;
b9a5f8ca 2209 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2210 }
2211 if (changed & WIPHY_PARAM_RETRY_LONG) {
2212 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2213 return -EINVAL;
b9a5f8ca 2214 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2215 }
b9a5f8ca
JM		 2216 if (changed &
2217 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2218 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2219
2220 return 0;
2221}
2222
7643a2c3 2223static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2224 struct wireless_dev *wdev,
fa61cf70 2225 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2226{
2227 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2228 struct ieee80211_sub_if_data *sdata;
7643a2c3 2229
1ea6f9c0
JB		 2230 if (wdev) {
2231 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2232
2233 switch (type) {
2234 case NL80211_TX_POWER_AUTOMATIC:
2235 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2236 break;
2237 case NL80211_TX_POWER_LIMITED:
2238 case NL80211_TX_POWER_FIXED:
2239 if (mbm < 0 || (mbm % 100))
2240 return -EOPNOTSUPP;
2241 sdata->user_power_level = MBM_TO_DBM(mbm);
2242 break;
2243 }
2244
2245 ieee80211_recalc_txpower(sdata);
2246
2247 return 0;
2248 }
55de908a 2249
7643a2c3 2250 switch (type) {
fa61cf70 2251 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2252 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2253 break;
fa61cf70 2254 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2255 case NL80211_TX_POWER_FIXED:
2256 if (mbm < 0 || (mbm % 100))
2257 return -EOPNOTSUPP;
fa61cf70 2258 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2259 break;
7643a2c3
JB		 2260 }
2261
1ea6f9c0
JB		 2262 mutex_lock(&local->iflist_mtx);
2263 list_for_each_entry(sdata, &local->interfaces, list)
2264 sdata->user_power_level = local->user_power_level;
2265 list_for_each_entry(sdata, &local->interfaces, list)
2266 ieee80211_recalc_txpower(sdata);
2267 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2268
2269 return 0;
2270}
2271
c8442118
JB		 2272static int ieee80211_get_tx_power(struct wiphy *wiphy,
2273 struct wireless_dev *wdev,
2274 int *dbm)
7643a2c3
JB		 2275{
2276 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2277 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2278
1ea6f9c0
JB		 2279 if (!local->use_chanctx)
2280 *dbm = local->hw.conf.power_level;
2281 else
2282 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2283
7643a2c3
JB		 2284 return 0;
2285}
2286
ab737a4f 2287static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2288 const u8 *addr)
ab737a4f
JB		 2289{
2290 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2291
2292 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2293
2294 return 0;
2295}
2296
1f87f7d3
JB		 2297static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2298{
2299 struct ieee80211_local *local = wiphy_priv(wiphy);
2300
2301 drv_rfkill_poll(local);
2302}
2303
aff89a9b 2304#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2305static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2306 struct wireless_dev *wdev,
2307 void *data, int len)
aff89a9b
JB		 2308{
2309 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2310 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2311
2312 if (!local->ops->testmode_cmd)
2313 return -EOPNOTSUPP;
2314
52981cd7
DS		 2315 if (wdev) {
2316 struct ieee80211_sub_if_data *sdata;
2317
2318 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2319 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2320 vif = &sdata->vif;
2321 }
2322
2323 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2324}
71063f0e
WYG		 2325
2326static int ieee80211_testmode_dump(struct wiphy *wiphy,
2327 struct sk_buff *skb,
2328 struct netlink_callback *cb,
2329 void *data, int len)
2330{
2331 struct ieee80211_local *local = wiphy_priv(wiphy);
2332
2333 if (!local->ops->testmode_dump)
2334 return -EOPNOTSUPP;
2335
2336 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2337}
aff89a9b
JB		 2338#endif
2339
0f78231b
JB		 2340int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2341 enum ieee80211_smps_mode smps_mode)
2342{
2343 const u8 *ap;
2344 enum ieee80211_smps_mode old_req;
2345 int err;
2346
8d61ffa5 2347 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2348
0f78231b
JB		 2349 old_req = sdata->u.mgd.req_smps;
2350 sdata->u.mgd.req_smps = smps_mode;
2351
2352 if (old_req == smps_mode &&
2353 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2354 return 0;
2355
2356 /*
2357 * If not associated, or current association is not an HT
04ecd257
JB		 2358 * association, there's no need to do anything, just store
2359 * the new value until we associate.
0f78231b
JB		 2360 */
2361 if (!sdata->u.mgd.associated ||
4bf88530 2362 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2363 return 0;
0f78231b 2364
0c1ad2ca 2365 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2366
2367 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2368 if (sdata->u.mgd.powersave)
2369 smps_mode = IEEE80211_SMPS_DYNAMIC;
2370 else
2371 smps_mode = IEEE80211_SMPS_OFF;
2372 }
2373
2374 /* send SM PS frame to AP */
2375 err = ieee80211_send_smps_action(sdata, smps_mode,
2376 ap, ap);
2377 if (err)
2378 sdata->u.mgd.req_smps = old_req;
2379
2380 return err;
2381}
2382
bc92afd9
JB		 2383static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2384 bool enabled, int timeout)
2385{
2386 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2387 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2388
ee1f6681
CYY		 2389 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2390 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2391 return -EOPNOTSUPP;
2392
bc92afd9
JB		 2393 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2394 return -EOPNOTSUPP;
2395
2396 if (enabled == sdata->u.mgd.powersave &&
ff616381 2397 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2398 return 0;
2399
2400 sdata->u.mgd.powersave = enabled;
ff616381 2401 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2402
0f78231b 2403 /* no change, but if automatic follow powersave */
ed405be5 2404 sdata_lock(sdata);
0f78231b 2405 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
ed405be5 2406 sdata_unlock(sdata);
0f78231b 2407
bc92afd9
JB		 2408 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2409 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2410
2411 ieee80211_recalc_ps(local, -1);
ab095877 2412 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2413
2414 return 0;
2415}
2416
a97c13c3
JO		 2417static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2418 struct net_device *dev,
2419 s32 rssi_thold, u32 rssi_hyst)
2420{
2421 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2422 struct ieee80211_vif *vif = &sdata->vif;
2423 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2424
a97c13c3
JO		 2425 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2426 rssi_hyst == bss_conf->cqm_rssi_hyst)
2427 return 0;
2428
2429 bss_conf->cqm_rssi_thold = rssi_thold;
2430 bss_conf->cqm_rssi_hyst = rssi_hyst;
2431
2432 /* tell the driver upon association, unless already associated */
ea086359
JB		 2433 if (sdata->u.mgd.associated &&
2434 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2435 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2436
2437 return 0;
2438}
2439
9930380f
JB		 2440static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2441 struct net_device *dev,
2442 const u8 *addr,
2443 const struct cfg80211_bitrate_mask *mask)
2444{
2445 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2446 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2447 int i, ret;
2c7e6bc9 2448
554a43d5
EP		 2449 if (!ieee80211_sdata_running(sdata))
2450 return -ENETDOWN;
2451
bdbfd6b5
SM		 2452 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2453 ret = drv_set_bitrate_mask(local, sdata, mask);
2454 if (ret)
2455 return ret;
2456 }
9930380f 2457
19468413 2458 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2459 struct ieee80211_supported_band *sband = wiphy->bands[i];
2460 int j;
2461
37eb0b16 2462 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2463 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2464 sizeof(mask->control[i].mcs));
2ffbe6d3
FF		 2465
2466 sdata->rc_has_mcs_mask[i] = false;
2467 if (!sband)
2468 continue;
2469
2470 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2471 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2472 sdata->rc_has_mcs_mask[i] = true;
2473 break;
2474 }
19468413 2475 }
9930380f 2476
37eb0b16 2477 return 0;
9930380f
JB		 2478}
2479
2eb278e0
JB		 2480static int ieee80211_start_roc_work(struct ieee80211_local *local,
2481 struct ieee80211_sub_if_data *sdata,
2482 struct ieee80211_channel *channel,
2eb278e0 2483 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2484 struct sk_buff *txskb,
2485 enum ieee80211_roc_type type)
2eb278e0
JB		 2486{
2487 struct ieee80211_roc_work *roc, *tmp;
2488 bool queued = false;
21f83589 2489 int ret;
21f83589
JB		 2490
2491 lockdep_assert_held(&local->mtx);
2492
fe57d9f5
JB		 2493 if (local->use_chanctx && !local->ops->remain_on_channel)
2494 return -EOPNOTSUPP;
2495
2eb278e0
JB		 2496 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2497 if (!roc)
2498 return -ENOMEM;
2499
2500 roc->chan = channel;
2eb278e0
JB		 2501 roc->duration = duration;
2502 roc->req_duration = duration;
2503 roc->frame = txskb;
d339d5ca 2504 roc->type = type;
2eb278e0
JB		 2505 roc->mgmt_tx_cookie = (unsigned long)txskb;
2506 roc->sdata = sdata;
2507 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2508 INIT_LIST_HEAD(&roc->dependents);
2509
2510 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2511 if (!list_empty(&local->roc_list) ||
2512 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2513 goto out_check_combine;
2514
2515 /* if not HW assist, just queue & schedule work */
2516 if (!local->ops->remain_on_channel) {
2517 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2518 goto out_queue;
2519 }
2520
2521 /* otherwise actually kick it off here (for error handling) */
2522
2523 /*
2524 * If the duration is zero, then the driver
2525 * wouldn't actually do anything. Set it to
2526 * 10 for now.
2527 *
2528 * TODO: cancel the off-channel operation
2529 * when we get the SKB's TX status and
2530 * the wait time was zero before.
2531 */
2532 if (!duration)
2533 duration = 10;
2534
d339d5ca 2535 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2536 if (ret) {
2eb278e0
JB		 2537 kfree(roc);
2538 return ret;
21f83589
JB		 2539 }
2540
2eb278e0
JB		 2541 roc->started = true;
2542 goto out_queue;
2543
2544 out_check_combine:
2545 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2546 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2547 continue;
2548
2549 /*
2550 * Extend this ROC if possible:
2551 *
2552 * If it hasn't started yet, just increase the duration
2553 * and add the new one to the list of dependents.
d339d5ca
IP		 2554 * If the type of the new ROC has higher priority, modify the
2555 * type of the previous one to match that of the new one.
2eb278e0
JB		 2556 */
2557 if (!tmp->started) {
2558 list_add_tail(&roc->list, &tmp->dependents);
2559 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2560 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2561 queued = true;
2562 break;
2563 }
2564
2565 /* If it has already started, it's more difficult ... */
2566 if (local->ops->remain_on_channel) {
2567 unsigned long j = jiffies;
2568
2569 /*
2570 * In the offloaded ROC case, if it hasn't begun, add
2571 * this new one to the dependent list to be handled
d339d5ca 2572 * when the master one begins. If it has begun,
2eb278e0
JB		 2573 * check that there's still a minimum time left and
2574 * if so, start this one, transmitting the frame, but
d339d5ca 2575 * add it to the list directly after this one with
2eb278e0
JB		 2576 * a reduced time so we'll ask the driver to execute
2577 * it right after finishing the previous one, in the
2578 * hope that it'll also be executed right afterwards,
2579 * effectively extending the old one.
2580 * If there's no minimum time left, just add it to the
2581 * normal list.
d339d5ca
IP		 2582 * TODO: the ROC type is ignored here, assuming that it
2583 * is better to immediately use the current ROC.
2eb278e0
JB		 2584 */
2585 if (!tmp->hw_begun) {
2586 list_add_tail(&roc->list, &tmp->dependents);
2587 queued = true;
2588 break;
2589 }
2590
2591 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2592 tmp->hw_start_time +
2593 msecs_to_jiffies(tmp->duration))) {
2594 int new_dur;
2595
2596 ieee80211_handle_roc_started(roc);
2597
2598 new_dur = roc->duration -
2599 jiffies_to_msecs(tmp->hw_start_time +
2600 msecs_to_jiffies(
2601 tmp->duration) -
2602 j);
2603
2604 if (new_dur > 0) {
2605 /* add right after tmp */
2606 list_add(&roc->list, &tmp->list);
2607 } else {
2608 list_add_tail(&roc->list,
2609 &tmp->dependents);
2610 }
2611 queued = true;
2612 }
2613 } else if (del_timer_sync(&tmp->work.timer)) {
2614 unsigned long new_end;
2615
2616 /*
2617 * In the software ROC case, cancel the timer, if
2618 * that fails then the finish work is already
2619 * queued/pending and thus we queue the new ROC
2620 * normally, if that succeeds then we can extend
2621 * the timer duration and TX the frame (if any.)
2622 */
2623
2624 list_add_tail(&roc->list, &tmp->dependents);
2625 queued = true;
2626
2627 new_end = jiffies + msecs_to_jiffies(roc->duration);
2628
2629 /* ok, it was started & we canceled timer */
2630 if (time_after(new_end, tmp->work.timer.expires))
2631 mod_timer(&tmp->work.timer, new_end);
2632 else
2633 add_timer(&tmp->work.timer);
2634
2635 ieee80211_handle_roc_started(roc);
2636 }
2637 break;
2638 }
2639
2640 out_queue:
2641 if (!queued)
2642 list_add_tail(&roc->list, &local->roc_list);
2643
2644 /*
50febf6a 2645 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2646 * or the SKB (for mgmt TX)
2647 */
50febf6a
JB		 2648 if (!txskb) {
2649 /* local->mtx protects this */
2650 local->roc_cookie_counter++;
2651 roc->cookie = local->roc_cookie_counter;
2652 /* wow, you wrapped 64 bits ... more likely a bug */
2653 if (WARN_ON(roc->cookie == 0)) {
2654 roc->cookie = 1;
2655 local->roc_cookie_counter++;
2656 }
2657 *cookie = roc->cookie;
2658 } else {
2eb278e0 2659 *cookie = (unsigned long)txskb;
50febf6a 2660 }
2eb278e0
JB		 2661
2662 return 0;
21f83589
JB		 2663}
2664
b8bc4b0a 2665static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2666 struct wireless_dev *wdev,
b8bc4b0a 2667 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2668 unsigned int duration,
2669 u64 *cookie)
2670{
71bbc994 2671 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2672 struct ieee80211_local *local = sdata->local;
2eb278e0 2673 int ret;
21f83589 2674
2eb278e0 2675 mutex_lock(&local->mtx);
42d97a59 2676 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2677 duration, cookie, NULL,
2678 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2679 mutex_unlock(&local->mtx);
b8bc4b0a 2680
2eb278e0 2681 return ret;
b8bc4b0a
JB		 2682}
2683
2eb278e0
JB		 2684static int ieee80211_cancel_roc(struct ieee80211_local *local,
2685 u64 cookie, bool mgmt_tx)
21f83589 2686{
2eb278e0 2687 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2688 int ret;
2689
2eb278e0
JB		 2690 mutex_lock(&local->mtx);
2691 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2692 struct ieee80211_roc_work *dep, *tmp2;
2693
2694 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2695 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2696 continue;
2697 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2698 continue;
2699 /* found dependent item -- just remove it */
2700 list_del(&dep->list);
2701 mutex_unlock(&local->mtx);
2702
3fbd45ca 2703 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2704 return 0;
2705 }
2706
50febf6a 2707 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2708 continue;
2709 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2710 continue;
21f83589 2711
2eb278e0
JB		 2712 found = roc;
2713 break;
2714 }
21f83589 2715
2eb278e0
JB		 2716 if (!found) {
2717 mutex_unlock(&local->mtx);
2718 return -ENOENT;
2719 }
21f83589 2720
e979e33c
JB		 2721 /*
2722 * We found the item to cancel, so do that. Note that it
2723 * may have dependents, which we also cancel (and send
2724 * the expired signal for.) Not doing so would be quite
2725 * tricky here, but we may need to fix it later.
2726 */
2727
2eb278e0
JB		 2728 if (local->ops->remain_on_channel) {
2729 if (found->started) {
2730 ret = drv_cancel_remain_on_channel(local);
2731 if (WARN_ON_ONCE(ret)) {
2732 mutex_unlock(&local->mtx);
2733 return ret;
2734 }
2735 }
21f83589 2736
2eb278e0 2737 list_del(&found->list);
21f83589 2738
0f6b3f59
JB		 2739 if (found->started)
2740 ieee80211_start_next_roc(local);
2eb278e0 2741 mutex_unlock(&local->mtx);
21f83589 2742
3fbd45ca 2743 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2744 } else {
2745 /* work may be pending so use it all the time */
2746 found->abort = true;
2747 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2748
21f83589
JB		 2749 mutex_unlock(&local->mtx);
2750
2eb278e0
JB		 2751 /* work will clean up etc */
2752 flush_delayed_work(&found->work);
3fbd45ca
JB		 2753 WARN_ON(!found->to_be_freed);
2754 kfree(found);
21f83589 2755 }
b8bc4b0a 2756
2eb278e0 2757 return 0;
b8bc4b0a
JB		 2758}
2759
2eb278e0 2760static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2761 struct wireless_dev *wdev,
2eb278e0 2762 u64 cookie)
f30221e4 2763{
71bbc994 2764 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2765 struct ieee80211_local *local = sdata->local;
f30221e4 2766
2eb278e0 2767 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2768}
2769
164eb02d
SW		 2770static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2771 struct net_device *dev,
2772 struct cfg80211_chan_def *chandef)
2773{
2774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2775 struct ieee80211_local *local = sdata->local;
2776 unsigned long timeout;
2777 int err;
2778
2779 if (!list_empty(&local->roc_list) || local->scanning)
2780 return -EBUSY;
2781
2782 /* whatever, but channel contexts should not complain about that one */
2783 sdata->smps_mode = IEEE80211_SMPS_OFF;
2784 sdata->needed_rx_chains = local->rx_chains;
2785 sdata->radar_required = true;
2786
2787 mutex_lock(&local->iflist_mtx);
2788 err = ieee80211_vif_use_channel(sdata, chandef,
2789 IEEE80211_CHANCTX_SHARED);
2790 mutex_unlock(&local->iflist_mtx);
2791 if (err)
2792 return err;
2793
2794 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2795 ieee80211_queue_delayed_work(&sdata->local->hw,
2796 &sdata->dfs_cac_timer_work, timeout);
2797
2798 return 0;
2799}
2800
73da7d5b
SW		 2801static struct cfg80211_beacon_data *
2802cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2803{
2804 struct cfg80211_beacon_data *new_beacon;
2805 u8 *pos;
2806 int len;
2807
2808 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2809 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2810 beacon->probe_resp_len;
2811
2812 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2813 if (!new_beacon)
2814 return NULL;
2815
2816 pos = (u8 *)(new_beacon + 1);
2817 if (beacon->head_len) {
2818 new_beacon->head_len = beacon->head_len;
2819 new_beacon->head = pos;
2820 memcpy(pos, beacon->head, beacon->head_len);
2821 pos += beacon->head_len;
2822 }
2823 if (beacon->tail_len) {
2824 new_beacon->tail_len = beacon->tail_len;
2825 new_beacon->tail = pos;
2826 memcpy(pos, beacon->tail, beacon->tail_len);
2827 pos += beacon->tail_len;
2828 }
2829 if (beacon->beacon_ies_len) {
2830 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2831 new_beacon->beacon_ies = pos;
2832 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2833 pos += beacon->beacon_ies_len;
2834 }
2835 if (beacon->proberesp_ies_len) {
2836 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2837 new_beacon->proberesp_ies = pos;
2838 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2839 pos += beacon->proberesp_ies_len;
2840 }
2841 if (beacon->assocresp_ies_len) {
2842 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2843 new_beacon->assocresp_ies = pos;
2844 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2845 pos += beacon->assocresp_ies_len;
2846 }
2847 if (beacon->probe_resp_len) {
2848 new_beacon->probe_resp_len = beacon->probe_resp_len;
2849 beacon->probe_resp = pos;
2850 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2851 pos += beacon->probe_resp_len;
2852 }
2853
2854 return new_beacon;
2855}
2856
2857void ieee80211_csa_finalize_work(struct work_struct *work)
2858{
2859 struct ieee80211_sub_if_data *sdata =
2860 container_of(work, struct ieee80211_sub_if_data,
2861 csa_finalize_work);
2862 struct ieee80211_local *local = sdata->local;
2863 int err, changed;
2864
2865 if (!ieee80211_sdata_running(sdata))
2866 return;
2867
73da7d5b
SW		 2868 sdata->radar_required = sdata->csa_radar_required;
2869 err = ieee80211_vif_change_channel(sdata, &local->csa_chandef,
2870 &changed);
2871 if (WARN_ON(err < 0))
2872 return;
2873
cd7760e6 2874 ieee80211_bss_info_change_notify(sdata, changed);
73da7d5b 2875
cd7760e6
SW		 2876 switch (sdata->vif.type) {
2877 case NL80211_IFTYPE_AP:
2878 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
2879 if (err < 0)
2880 return;
2881 changed |= err;
2882 kfree(sdata->u.ap.next_beacon);
2883 sdata->u.ap.next_beacon = NULL;
2884
2885 ieee80211_bss_info_change_notify(sdata, err);
2886 break;
2887 case NL80211_IFTYPE_ADHOC:
2888 ieee80211_ibss_finish_csa(sdata);
2889 break;
2890 default:
2891 WARN_ON(1);
2892 return;
2893 }
73da7d5b
SW		 2894 sdata->vif.csa_active = false;
2895
2896 ieee80211_wake_queues_by_reason(&sdata->local->hw,
2897 IEEE80211_MAX_QUEUE_MAP,
2898 IEEE80211_QUEUE_STOP_REASON_CSA);
2899
73da7d5b
SW		 2900 cfg80211_ch_switch_notify(sdata->dev, &local->csa_chandef);
2901}
2902
2903static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
2904 struct cfg80211_csa_settings *params)
2905{
2906 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2907 struct ieee80211_local *local = sdata->local;
2908 struct ieee80211_chanctx_conf *chanctx_conf;
2909 struct ieee80211_chanctx *chanctx;
2910 int err, num_chanctx;
2911
2912 if (!list_empty(&local->roc_list) || local->scanning)
2913 return -EBUSY;
2914
2915 if (sdata->wdev.cac_started)
2916 return -EBUSY;
2917
2918 if (cfg80211_chandef_identical(&params->chandef,
2919 &sdata->vif.bss_conf.chandef))
2920 return -EINVAL;
2921
2922 rcu_read_lock();
2923 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2924 if (!chanctx_conf) {
2925 rcu_read_unlock();
2926 return -EBUSY;
2927 }
2928
2929 /* don't handle for multi-VIF cases */
2930 chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
2931 if (chanctx->refcount > 1) {
2932 rcu_read_unlock();
2933 return -EBUSY;
2934 }
2935 num_chanctx = 0;
2936 list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
2937 num_chanctx++;
2938 rcu_read_unlock();
2939
2940 if (num_chanctx > 1)
2941 return -EBUSY;
2942
2943 /* don't allow another channel switch if one is already active. */
2944 if (sdata->vif.csa_active)
2945 return -EBUSY;
2946
73da7d5b
SW		 2947 switch (sdata->vif.type) {
2948 case NL80211_IFTYPE_AP:
cd7760e6
SW		 2949 sdata->csa_counter_offset_beacon =
2950 params->counter_offset_beacon;
2951 sdata->csa_counter_offset_presp = params->counter_offset_presp;
2952 sdata->u.ap.next_beacon =
2953 cfg80211_beacon_dup(&params->beacon_after);
2954 if (!sdata->u.ap.next_beacon)
2955 return -ENOMEM;
2956
2957 err = ieee80211_assign_beacon(sdata, &params->beacon_csa);
2958 if (err < 0) {
2959 kfree(sdata->u.ap.next_beacon);
2960 return err;
2961 }
2962 break;
2963 case NL80211_IFTYPE_ADHOC:
2964 if (!sdata->vif.bss_conf.ibss_joined)
2965 return -EINVAL;
2966
2967 if (params->chandef.width != sdata->u.ibss.chandef.width)
2968 return -EINVAL;
2969
2970 switch (params->chandef.width) {
2971 case NL80211_CHAN_WIDTH_40:
2972 if (cfg80211_get_chandef_type(&params->chandef) !=
2973 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
2974 return -EINVAL;
2975 case NL80211_CHAN_WIDTH_5:
2976 case NL80211_CHAN_WIDTH_10:
2977 case NL80211_CHAN_WIDTH_20_NOHT:
2978 case NL80211_CHAN_WIDTH_20:
2979 break;
2980 default:
2981 return -EINVAL;
2982 }
2983
2984 /* changes into another band are not supported */
2985 if (sdata->u.ibss.chandef.chan->band !=
2986 params->chandef.chan->band)
2987 return -EINVAL;
2988
2989 err = ieee80211_ibss_csa_beacon(sdata, params);
2990 if (err < 0)
2991 return err;
73da7d5b
SW		 2992 break;
2993 default:
2994 return -EOPNOTSUPP;
2995 }
2996
73da7d5b
SW		 2997 sdata->csa_radar_required = params->radar_required;
2998
2999 if (params->block_tx)
3000 ieee80211_stop_queues_by_reason(&local->hw,
3001 IEEE80211_MAX_QUEUE_MAP,
3002 IEEE80211_QUEUE_STOP_REASON_CSA);
3003
73da7d5b
SW		 3004 local->csa_chandef = params->chandef;
3005 sdata->vif.csa_active = true;
3006
3007 ieee80211_bss_info_change_notify(sdata, err);
3008 drv_channel_switch_beacon(sdata, &params->chandef);
3009
3010 return 0;
3011}
3012
71bbc994 3013static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 3014 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 3015 unsigned int wait, const u8 *buf, size_t len,
3016 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 3017{
71bbc994 3018 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3019 struct ieee80211_local *local = sdata->local;
3020 struct sk_buff *skb;
3021 struct sta_info *sta;
3022 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 3023 bool need_offchan = false;
e247bd90 3024 u32 flags;
2eb278e0 3025 int ret;
f7ca38df 3026
e247bd90
JB		 3027 if (dont_wait_for_ack)
3028 flags = IEEE80211_TX_CTL_NO_ACK;
3029 else
3030 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3031 IEEE80211_TX_CTL_REQ_TX_STATUS;
3032
aad14ceb
RM		 3033 if (no_cck)
3034 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3035
9d38d85d
JB		 3036 switch (sdata->vif.type) {
3037 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3038 if (!sdata->vif.bss_conf.ibss_joined)
3039 need_offchan = true;
3040 /* fall through */
3041#ifdef CONFIG_MAC80211_MESH
3042 case NL80211_IFTYPE_MESH_POINT:
3043 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3044 !sdata->u.mesh.mesh_id_len)
3045 need_offchan = true;
3046 /* fall through */
3047#endif
663fcafd
JB		 3048 case NL80211_IFTYPE_AP:
3049 case NL80211_IFTYPE_AP_VLAN:
3050 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3051 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3052 !ieee80211_vif_is_mesh(&sdata->vif) &&
3053 !rcu_access_pointer(sdata->bss->beacon))
3054 need_offchan = true;
663fcafd 3055 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3056 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3057 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3058 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3059 break;
3060 rcu_read_lock();
3061 sta = sta_info_get(sdata, mgmt->da);
3062 rcu_read_unlock();
3063 if (!sta)
3064 return -ENOLINK;
3065 break;
3066 case NL80211_IFTYPE_STATION:
663fcafd 3067 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3068 if (!sdata->u.mgd.associated)
3069 need_offchan = true;
9d38d85d 3070 break;
f142c6b9
JB		 3071 case NL80211_IFTYPE_P2P_DEVICE:
3072 need_offchan = true;
3073 break;
9d38d85d
JB		 3074 default:
3075 return -EOPNOTSUPP;
3076 }
3077
f7aeb6fb
AQ		 3078 /* configurations requiring offchan cannot work if no channel has been
3079 * specified
3080 */
3081 if (need_offchan && !chan)
3082 return -EINVAL;
3083
2eb278e0
JB		 3084 mutex_lock(&local->mtx);
3085
3086 /* Check if the operating channel is the requested channel */
3087 if (!need_offchan) {
55de908a
JB		 3088 struct ieee80211_chanctx_conf *chanctx_conf;
3089
3090 rcu_read_lock();
3091 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3092
f7aeb6fb
AQ		 3093 if (chanctx_conf) {
3094 need_offchan = chan && (chan != chanctx_conf->def.chan);
3095 } else if (!chan) {
3096 ret = -EINVAL;
3097 rcu_read_unlock();
3098 goto out_unlock;
3099 } else {
2eb278e0 3100 need_offchan = true;
f7aeb6fb 3101 }
55de908a 3102 rcu_read_unlock();
2eb278e0
JB		 3103 }
3104
3105 if (need_offchan && !offchan) {
3106 ret = -EBUSY;
3107 goto out_unlock;
3108 }
3109
9d38d85d 3110 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 3111 if (!skb) {
3112 ret = -ENOMEM;
3113 goto out_unlock;
3114 }
9d38d85d
JB		 3115 skb_reserve(skb, local->hw.extra_tx_headroom);
3116
3117 memcpy(skb_put(skb, len), buf, len);
3118
3119 IEEE80211_SKB_CB(skb)->flags = flags;
3120
3121 skb->dev = sdata->dev;
9d38d85d 3122
2eb278e0 3123 if (!need_offchan) {
7f9f78ab 3124 *cookie = (unsigned long) skb;
f30221e4 3125 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3126 ret = 0;
3127 goto out_unlock;
f30221e4
JB		 3128 }
3129
6c17b77b
SF		 3130 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3131 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3132 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3133 IEEE80211_SKB_CB(skb)->hw_queue =
3134 local->hw.offchannel_tx_hw_queue;
f30221e4 3135
2eb278e0 3136 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 3137 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 3138 wait, cookie, skb,
3139 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3140 if (ret)
3141 kfree_skb(skb);
3142 out_unlock:
3143 mutex_unlock(&local->mtx);
3144 return ret;
026331c4
JM		 3145}
3146
f30221e4 3147static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3148 struct wireless_dev *wdev,
f30221e4
JB		 3149 u64 cookie)
3150{
71bbc994 3151 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3152
2eb278e0 3153 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3154}
3155
7be5086d 3156static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3157 struct wireless_dev *wdev,
7be5086d
JB		 3158 u16 frame_type, bool reg)
3159{
3160 struct ieee80211_local *local = wiphy_priv(wiphy);
3161
6abe0563 3162 switch (frame_type) {
6abe0563
WH		 3163 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3164 if (reg)
3165 local->probe_req_reg++;
3166 else
3167 local->probe_req_reg--;
7be5086d 3168
35f5149e
FF		 3169 if (!local->open_count)
3170 break;
3171
6abe0563
WH		 3172 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3173 break;
3174 default:
3175 break;
3176 }
7be5086d
JB		 3177}
3178
15d96753
BR		 3179static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3180{
3181 struct ieee80211_local *local = wiphy_priv(wiphy);
3182
3183 if (local->started)
3184 return -EOPNOTSUPP;
3185
3186 return drv_set_antenna(local, tx_ant, rx_ant);
3187}
3188
3189static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3190{
3191 struct ieee80211_local *local = wiphy_priv(wiphy);
3192
3193 return drv_get_antenna(local, tx_ant, rx_ant);
3194}
3195
38c09159
JL		 3196static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
3197{
3198 struct ieee80211_local *local = wiphy_priv(wiphy);
3199
3200 return drv_set_ringparam(local, tx, rx);
3201}
3202
3203static void ieee80211_get_ringparam(struct wiphy *wiphy,
3204 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
3205{
3206 struct ieee80211_local *local = wiphy_priv(wiphy);
3207
3208 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
3209}
3210
c68f4b89
JB		 3211static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3212 struct net_device *dev,
3213 struct cfg80211_gtk_rekey_data *data)
3214{
3215 struct ieee80211_local *local = wiphy_priv(wiphy);
3216 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3217
3218 if (!local->ops->set_rekey_data)
3219 return -EOPNOTSUPP;
3220
3221 drv_set_rekey_data(local, sdata, data);
3222
3223 return 0;
3224}
3225
dfe018bf
AN		 3226static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
3227{
3228 u8 *pos = (void *)skb_put(skb, 7);
3229
3230 *pos++ = WLAN_EID_EXT_CAPABILITY;
3231 *pos++ = 5; /* len */
3232 *pos++ = 0x0;
3233 *pos++ = 0x0;
3234 *pos++ = 0x0;
3235 *pos++ = 0x0;
3236 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
3237}
3238
3239static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
3240{
3241 struct ieee80211_local *local = sdata->local;
3242 u16 capab;
3243
3244 capab = 0;
55de908a 3245 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 3246 return capab;
3247
3248 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3249 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3250 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3251 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3252
3253 return capab;
3254}
3255
3256static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3257 u8 *peer, u8 *bssid)
3258{
3259 struct ieee80211_tdls_lnkie *lnkid;
3260
3261 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3262
3263 lnkid->ie_type = WLAN_EID_LINK_ID;
3264 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3265
3266 memcpy(lnkid->bssid, bssid, ETH_ALEN);
3267 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3268 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3269}
3270
3271static int
3272ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3273 u8 *peer, u8 action_code, u8 dialog_token,
3274 u16 status_code, struct sk_buff *skb)
3275{
3276 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3277 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3278 struct ieee80211_tdls_data *tf;
3279
3280 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3281
3282 memcpy(tf->da, peer, ETH_ALEN);
3283 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3284 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3285 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3286
3287 switch (action_code) {
3288 case WLAN_TDLS_SETUP_REQUEST:
3289 tf->category = WLAN_CATEGORY_TDLS;
3290 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3291
3292 skb_put(skb, sizeof(tf->u.setup_req));
3293 tf->u.setup_req.dialog_token = dialog_token;
3294 tf->u.setup_req.capability =
3295 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3296
55de908a
JB		 3297 ieee80211_add_srates_ie(sdata, skb, false, band);
3298 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3299 ieee80211_tdls_add_ext_capab(skb);
3300 break;
3301 case WLAN_TDLS_SETUP_RESPONSE:
3302 tf->category = WLAN_CATEGORY_TDLS;
3303 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3304
3305 skb_put(skb, sizeof(tf->u.setup_resp));
3306 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3307 tf->u.setup_resp.dialog_token = dialog_token;
3308 tf->u.setup_resp.capability =
3309 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3310
55de908a
JB		 3311 ieee80211_add_srates_ie(sdata, skb, false, band);
3312 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3313 ieee80211_tdls_add_ext_capab(skb);
3314 break;
3315 case WLAN_TDLS_SETUP_CONFIRM:
3316 tf->category = WLAN_CATEGORY_TDLS;
3317 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3318
3319 skb_put(skb, sizeof(tf->u.setup_cfm));
3320 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3321 tf->u.setup_cfm.dialog_token = dialog_token;
3322 break;
3323 case WLAN_TDLS_TEARDOWN:
3324 tf->category = WLAN_CATEGORY_TDLS;
3325 tf->action_code = WLAN_TDLS_TEARDOWN;
3326
3327 skb_put(skb, sizeof(tf->u.teardown));
3328 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3329 break;
3330 case WLAN_TDLS_DISCOVERY_REQUEST:
3331 tf->category = WLAN_CATEGORY_TDLS;
3332 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3333
3334 skb_put(skb, sizeof(tf->u.discover_req));
3335 tf->u.discover_req.dialog_token = dialog_token;
3336 break;
3337 default:
3338 return -EINVAL;
3339 }
3340
3341 return 0;
3342}
3343
3344static int
3345ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3346 u8 *peer, u8 action_code, u8 dialog_token,
3347 u16 status_code, struct sk_buff *skb)
3348{
3349 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3350 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3351 struct ieee80211_mgmt *mgmt;
3352
3353 mgmt = (void *)skb_put(skb, 24);
3354 memset(mgmt, 0, 24);
3355 memcpy(mgmt->da, peer, ETH_ALEN);
3356 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3357 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3358
3359 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3360 IEEE80211_STYPE_ACTION);
3361
3362 switch (action_code) {
3363 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3364 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3365 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3366 mgmt->u.action.u.tdls_discover_resp.action_code =
3367 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3368 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3369 dialog_token;
3370 mgmt->u.action.u.tdls_discover_resp.capability =
3371 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3372
55de908a
JB		 3373 ieee80211_add_srates_ie(sdata, skb, false, band);
3374 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3375 ieee80211_tdls_add_ext_capab(skb);
3376 break;
3377 default:
3378 return -EINVAL;
3379 }
3380
3381 return 0;
3382}
3383
3384static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3385 u8 *peer, u8 action_code, u8 dialog_token,
3386 u16 status_code, const u8 *extra_ies,
3387 size_t extra_ies_len)
3388{
3389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3390 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3391 struct sk_buff *skb = NULL;
3392 bool send_direct;
3393 int ret;
3394
3395 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3396 return -ENOTSUPP;
3397
3398 /* make sure we are in managed mode, and associated */
3399 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3400 !sdata->u.mgd.associated)
3401 return -EINVAL;
3402
bdcbd8e0
JB		 3403 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3404 action_code, peer);
dfe018bf
AN		 3405
3406 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3407 max(sizeof(struct ieee80211_mgmt),
3408 sizeof(struct ieee80211_tdls_data)) +
3409 50 + /* supported rates */
3410 7 + /* ext capab */
3411 extra_ies_len +
3412 sizeof(struct ieee80211_tdls_lnkie));
3413 if (!skb)
3414 return -ENOMEM;
3415
dfe018bf
AN		 3416 skb_reserve(skb, local->hw.extra_tx_headroom);
3417
3418 switch (action_code) {
3419 case WLAN_TDLS_SETUP_REQUEST:
3420 case WLAN_TDLS_SETUP_RESPONSE:
3421 case WLAN_TDLS_SETUP_CONFIRM:
3422 case WLAN_TDLS_TEARDOWN:
3423 case WLAN_TDLS_DISCOVERY_REQUEST:
3424 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3425 action_code, dialog_token,
3426 status_code, skb);
3427 send_direct = false;
3428 break;
3429 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3430 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3431 dialog_token, status_code,
3432 skb);
3433 send_direct = true;
3434 break;
3435 default:
3436 ret = -ENOTSUPP;
3437 break;
3438 }
3439
3440 if (ret < 0)
3441 goto fail;
3442
3443 if (extra_ies_len)
3444 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3445
3446 /* the TDLS link IE is always added last */
3447 switch (action_code) {
3448 case WLAN_TDLS_SETUP_REQUEST:
3449 case WLAN_TDLS_SETUP_CONFIRM:
3450 case WLAN_TDLS_TEARDOWN:
3451 case WLAN_TDLS_DISCOVERY_REQUEST:
3452 /* we are the initiator */
3453 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3454 sdata->u.mgd.bssid);
3455 break;
3456 case WLAN_TDLS_SETUP_RESPONSE:
3457 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3458 /* we are the responder */
3459 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3460 sdata->u.mgd.bssid);
3461 break;
3462 default:
3463 ret = -ENOTSUPP;
3464 goto fail;
3465 }
3466
3467 if (send_direct) {
3468 ieee80211_tx_skb(sdata, skb);
3469 return 0;
3470 }
3471
3472 /*
3473 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3474 * we should default to AC_VI.
3475 */
3476 switch (action_code) {
3477 case WLAN_TDLS_SETUP_REQUEST:
3478 case WLAN_TDLS_SETUP_RESPONSE:
3479 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3480 skb->priority = 2;
3481 break;
3482 default:
3483 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3484 skb->priority = 5;
3485 break;
3486 }
3487
3488 /* disable bottom halves when entering the Tx path */
3489 local_bh_disable();
3490 ret = ieee80211_subif_start_xmit(skb, dev);
3491 local_bh_enable();
3492
3493 return ret;
3494
3495fail:
3496 dev_kfree_skb(skb);
3497 return ret;
3498}
3499
3500static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3501 u8 *peer, enum nl80211_tdls_operation oper)
3502{
941c93cd 3503 struct sta_info *sta;
dfe018bf
AN		 3504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3505
3506 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3507 return -ENOTSUPP;
3508
3509 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3510 return -EINVAL;
3511
bdcbd8e0 3512 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3513
3514 switch (oper) {
3515 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3516 rcu_read_lock();
3517 sta = sta_info_get(sdata, peer);
3518 if (!sta) {
3519 rcu_read_unlock();
3520 return -ENOLINK;
3521 }
3522
c2c98fde 3523 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3524 rcu_read_unlock();
dfe018bf
AN		 3525 break;
3526 case NL80211_TDLS_DISABLE_LINK:
3527 return sta_info_destroy_addr(sdata, peer);
3528 case NL80211_TDLS_TEARDOWN:
3529 case NL80211_TDLS_SETUP:
3530 case NL80211_TDLS_DISCOVERY_REQ:
3531 /* We don't support in-driver setup/teardown/discovery */
3532 return -ENOTSUPP;
3533 default:
3534 return -ENOTSUPP;
3535 }
3536
3537 return 0;
3538}
3539
06500736
JB		 3540static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3541 const u8 *peer, u64 *cookie)
3542{
3543 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3544 struct ieee80211_local *local = sdata->local;
3545 struct ieee80211_qos_hdr *nullfunc;
3546 struct sk_buff *skb;
3547 int size = sizeof(*nullfunc);
3548 __le16 fc;
3549 bool qos;
3550 struct ieee80211_tx_info *info;
3551 struct sta_info *sta;
55de908a
JB		 3552 struct ieee80211_chanctx_conf *chanctx_conf;
3553 enum ieee80211_band band;
06500736
JB		 3554
3555 rcu_read_lock();
55de908a
JB		 3556 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3557 if (WARN_ON(!chanctx_conf)) {
3558 rcu_read_unlock();
3559 return -EINVAL;
3560 }
4bf88530 3561 band = chanctx_conf->def.chan->band;
06500736 3562 sta = sta_info_get(sdata, peer);
b4487c2d 3563 if (sta) {
06500736 3564 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3565 } else {
3566 rcu_read_unlock();
06500736 3567 return -ENOLINK;
b4487c2d 3568 }
06500736
JB		 3569
3570 if (qos) {
3571 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3572 IEEE80211_STYPE_QOS_NULLFUNC |
3573 IEEE80211_FCTL_FROMDS);
3574 } else {
3575 size -= 2;
3576 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3577 IEEE80211_STYPE_NULLFUNC |
3578 IEEE80211_FCTL_FROMDS);
3579 }
3580
3581 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3582 if (!skb) {
3583 rcu_read_unlock();
06500736 3584 return -ENOMEM;
55de908a 3585 }
06500736
JB		 3586
3587 skb->dev = dev;
3588
3589 skb_reserve(skb, local->hw.extra_tx_headroom);
3590
3591 nullfunc = (void *) skb_put(skb, size);
3592 nullfunc->frame_control = fc;
3593 nullfunc->duration_id = 0;
3594 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3595 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3596 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3597 nullfunc->seq_ctrl = 0;
3598
3599 info = IEEE80211_SKB_CB(skb);
3600
3601 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3602 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3603
3604 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3605 skb->priority = 7;
3606 if (qos)
3607 nullfunc->qos_ctrl = cpu_to_le16(7);
3608
3609 local_bh_disable();
55de908a 3610 ieee80211_xmit(sdata, skb, band);
06500736 3611 local_bh_enable();
55de908a 3612 rcu_read_unlock();
06500736
JB		 3613
3614 *cookie = (unsigned long) skb;
3615 return 0;
3616}
3617
683b6d3b
JB		 3618static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3619 struct wireless_dev *wdev,
3620 struct cfg80211_chan_def *chandef)
5b7ccaf3 3621{
55de908a 3622 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3623 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3624 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3625 int ret = -ENODATA;
55de908a
JB		 3626
3627 rcu_read_lock();
feda3027
JB		 3628 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3629 if (chanctx_conf) {
3630 *chandef = chanctx_conf->def;
3631 ret = 0;
3632 } else if (local->open_count > 0 &&
3633 local->open_count == local->monitors &&
3634 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3635 if (local->use_chanctx)
3636 *chandef = local->monitor_chandef;
3637 else
675a0b04 3638 *chandef = local->_oper_chandef;
683b6d3b 3639 ret = 0;
55de908a
JB		 3640 }
3641 rcu_read_unlock();
5b7ccaf3 3642
683b6d3b 3643 return ret;
5b7ccaf3
JB		 3644}
3645
6d52563f
JB		 3646#ifdef CONFIG_PM
3647static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3648{
3649 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3650}
3651#endif
3652
f0706e82
JB		 3653struct cfg80211_ops mac80211_config_ops = {
3654 .add_virtual_intf = ieee80211_add_iface,
3655 .del_virtual_intf = ieee80211_del_iface,
42613db7 3656 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3657 .start_p2p_device = ieee80211_start_p2p_device,
3658 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3659 .add_key = ieee80211_add_key,
3660 .del_key = ieee80211_del_key,
62da92fb 3661 .get_key = ieee80211_get_key,
e8cbb4cb 3662 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3663 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3664 .start_ap = ieee80211_start_ap,
3665 .change_beacon = ieee80211_change_beacon,
3666 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3667 .add_station = ieee80211_add_station,
3668 .del_station = ieee80211_del_station,
3669 .change_station = ieee80211_change_station,
7bbdd2d9 3670 .get_station = ieee80211_get_station,
c5dd9c2b 3671 .dump_station = ieee80211_dump_station,
1289723e 3672 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3673#ifdef CONFIG_MAC80211_MESH
3674 .add_mpath = ieee80211_add_mpath,
3675 .del_mpath = ieee80211_del_mpath,
3676 .change_mpath = ieee80211_change_mpath,
3677 .get_mpath = ieee80211_get_mpath,
3678 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3679 .update_mesh_config = ieee80211_update_mesh_config,
3680 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3681 .join_mesh = ieee80211_join_mesh,
3682 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3683#endif
9f1ba906 3684 .change_bss = ieee80211_change_bss,
31888487 3685 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3686 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3687 .suspend = ieee80211_suspend,
3688 .resume = ieee80211_resume,
2a519311 3689 .scan = ieee80211_scan,
79f460ca
LC		 3690 .sched_scan_start = ieee80211_sched_scan_start,
3691 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3692 .auth = ieee80211_auth,
3693 .assoc = ieee80211_assoc,
3694 .deauth = ieee80211_deauth,
3695 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3696 .join_ibss = ieee80211_join_ibss,
3697 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3698 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3699 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3700 .set_tx_power = ieee80211_set_tx_power,
3701 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3702 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3703 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3704 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3705 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3706 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3707 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3708 .remain_on_channel = ieee80211_remain_on_channel,
3709 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3710 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3711 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3712 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3713 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3714 .set_antenna = ieee80211_set_antenna,
3715 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3716 .set_ringparam = ieee80211_set_ringparam,
3717 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3718 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3719 .tdls_oper = ieee80211_tdls_oper,
3720 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3721 .probe_client = ieee80211_probe_client,
b53be792 3722 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3723#ifdef CONFIG_PM
3724 .set_wakeup = ieee80211_set_wakeup,
3725#endif
b1ab7925
BG		 3726 .get_et_sset_count = ieee80211_get_et_sset_count,
3727 .get_et_stats = ieee80211_get_et_stats,
3728 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3729 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3730 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3731 .channel_switch = ieee80211_channel_switch,
f0706e82 3732};
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