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cfg80211: allow beaconing after DFS CAC
[linux-2.6-block.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
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;
d2859df5 1053 struct cfg80211_chan_def chandef;
14db74bc 1054
7b20b8e8
JB		 1055 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1056 if (!old_beacon)
5dfdaf58 1057 return -ENOENT;
7b20b8e8 1058 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 1059
73da7d5b
SW		 1060 /* abort any running channel switch */
1061 sdata->vif.csa_active = false;
1062 cancel_work_sync(&sdata->csa_finalize_work);
687da132 1063 cancel_work_sync(&sdata->u.ap.request_smps_work);
73da7d5b 1064
7b20b8e8 1065 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1066 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1067 netif_carrier_off(vlan->dev);
1068 netif_carrier_off(dev);
1069
7b20b8e8 1070 /* remove beacon and probe response */
a9b3cd7f 1071 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1072 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1073 kfree_rcu(old_beacon, rcu_head);
1074 if (old_probe_resp)
1075 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1076
2d4072a5 1077 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1078 sta_info_flush_defer(vlan);
1079 sta_info_flush_defer(sdata);
8ceb5955 1080 synchronize_net();
75de9113 1081 rcu_barrier();
7b4396bd 1082 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
75de9113 1083 sta_info_flush_cleanup(vlan);
7b4396bd
JB		 1084 ieee80211_free_keys(vlan);
1085 }
75de9113 1086 sta_info_flush_cleanup(sdata);
7b4396bd 1087 ieee80211_free_keys(sdata);
75de9113 1088
d6a83228 1089 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1090 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1091 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1092 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1093
a6b368f6 1094 if (sdata->wdev.cac_started) {
d2859df5 1095 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1096 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1097 cfg80211_cac_event(sdata->dev, &chandef,
1098 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1099 GFP_KERNEL);
1100 }
1101
1041638f
JB		 1102 drv_stop_ap(sdata->local, sdata);
1103
7b20b8e8
JB		 1104 /* free all potentially still buffered bcast frames */
1105 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1106 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1107
1f4ac5a6 1108 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a
JB		 1109 ieee80211_vif_release_channel(sdata);
1110
2d0ddec5 1111 return 0;
5dfdaf58
JB		 1112}
1113
4fd6931e
JB		 1114/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1115struct iapp_layer2_update {
1116 u8 da[ETH_ALEN]; /* broadcast */
1117 u8 sa[ETH_ALEN]; /* STA addr */
1118 __be16 len; /* 6 */
1119 u8 dsap; /* 0 */
1120 u8 ssap; /* 0 */
1121 u8 control;
1122 u8 xid_info[3];
bc10502d 1123} __packed;
4fd6931e
JB		 1124
1125static void ieee80211_send_layer2_update(struct sta_info *sta)
1126{
1127 struct iapp_layer2_update *msg;
1128 struct sk_buff *skb;
1129
1130 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1131 * bridge devices */
1132
1133 skb = dev_alloc_skb(sizeof(*msg));
1134 if (!skb)
1135 return;
1136 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1137
1138 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1139 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1140
e83e6541 1141 eth_broadcast_addr(msg->da);
17741cdc 1142 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1143 msg->len = htons(6);
1144 msg->dsap = 0;
1145 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1146 msg->control = 0xaf; /* XID response lsb.1111F101.
1147 * F=0 (no poll command; unsolicited frame) */
1148 msg->xid_info[0] = 0x81; /* XID format identifier */
1149 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1150 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1151
d0709a65
JB		 1152 skb->dev = sta->sdata->dev;
1153 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1154 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1155 netif_rx_ni(skb);
4fd6931e
JB		 1156}
1157
d582cffb
JB		 1158static int sta_apply_auth_flags(struct ieee80211_local *local,
1159 struct sta_info *sta,
1160 u32 mask, u32 set)
1161{
1162 int ret;
1163
1164 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1165 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1166 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1167 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1168 if (ret)
1169 return ret;
1170 }
1171
1172 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1173 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1174 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1175 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1176 if (ret)
1177 return ret;
1178 }
1179
1180 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1181 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1182 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1183 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1184 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1185 else
1186 ret = 0;
1187 if (ret)
1188 return ret;
1189 }
1190
1191 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1192 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1193 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1194 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1195 if (ret)
1196 return ret;
1197 }
1198
1199 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1200 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1201 test_sta_flag(sta, WLAN_STA_AUTH)) {
1202 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1203 if (ret)
1204 return ret;
1205 }
1206
1207 return 0;
1208}
1209
d9a7ddb0
JB		 1210static int sta_apply_parameters(struct ieee80211_local *local,
1211 struct sta_info *sta,
1212 struct station_parameters *params)
4fd6931e 1213{
d9a7ddb0 1214 int ret = 0;
8318d78a 1215 struct ieee80211_supported_band *sband;
d0709a65 1216 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1217 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1218 u32 mask, set;
4fd6931e 1219
55de908a 1220 sband = local->hw.wiphy->bands[band];
ae5eb026 1221
eccb8e8f
JB		 1222 mask = params->sta_flags_mask;
1223 set = params->sta_flags_set;
73651ee6 1224
d582cffb
JB		 1225 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1226 /*
1227 * In mesh mode, ASSOCIATED isn't part of the nl80211
1228 * API but must follow AUTHENTICATED for driver state.
1229 */
1230 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1231 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1232 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1233 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1234 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1235 /*
1236 * TDLS -- everything follows authorized, but
1237 * only becoming authorized is possible, not
1238 * going back
1239 */
1240 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1241 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1242 BIT(NL80211_STA_FLAG_ASSOCIATED);
1243 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1244 BIT(NL80211_STA_FLAG_ASSOCIATED);
1245 }
eccb8e8f 1246 }
4fd6931e 1247
d582cffb
JB		 1248 ret = sta_apply_auth_flags(local, sta, mask, set);
1249 if (ret)
1250 return ret;
d9a7ddb0 1251
eccb8e8f 1252 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1253 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1254 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1255 else
1256 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1257 }
4fd6931e 1258
eccb8e8f 1259 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1260 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1261 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1262 sta->sta.wme = true;
c2c98fde
JB		 1263 } else {
1264 clear_sta_flag(sta, WLAN_STA_WME);
1265 sta->sta.wme = false;
39df600a 1266 }
eccb8e8f 1267 }
5394af4d 1268
eccb8e8f 1269 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1270 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1271 set_sta_flag(sta, WLAN_STA_MFP);
1272 else
1273 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1274 }
b39c48fa 1275
07ba55d7 1276 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1277 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1278 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1279 else
1280 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1281 }
4fd6931e 1282
3b9ce80c
JB		 1283 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1284 sta->sta.uapsd_queues = params->uapsd_queues;
1285 sta->sta.max_sp = params->max_sp;
1286 }
9533b4ac 1287
51b50fbe
JB		 1288 /*
1289 * cfg80211 validates this (1-2007) and allows setting the AID
1290 * only when creating a new station entry
1291 */
1292 if (params->aid)
1293 sta->sta.aid = params->aid;
1294
73651ee6 1295 /*
ba23d206
JB		 1296 * Some of the following updates would be racy if called on an
1297 * existing station, via ieee80211_change_station(). However,
1298 * all such changes are rejected by cfg80211 except for updates
1299 * changing the supported rates on an existing but not yet used
1300 * TDLS peer.
73651ee6
JB		 1301 */
1302
4fd6931e
JB		 1303 if (params->listen_interval >= 0)
1304 sta->listen_interval = params->listen_interval;
1305
1306 if (params->supported_rates) {
2103dec1
SW		 1307 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1308 sband, params->supported_rates,
1309 params->supported_rates_len,
1310 &sta->sta.supp_rates[band]);
4fd6931e 1311 }
c5dd9c2b 1312
d9fe60de 1313 if (params->ht_capa)
ef96a842 1314 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1315 params->ht_capa, sta);
36aedc90 1316
f461be3e
MP		 1317 if (params->vht_capa)
1318 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1319 params->vht_capa, sta);
f461be3e 1320
9c3990aa 1321 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1322#ifdef CONFIG_MAC80211_MESH
39886b61 1323 u32 changed = 0;
77ee7c89
JB		 1324
1325 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1326 switch (params->plink_state) {
57cf8043 1327 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1328 if (sta->plink_state != NL80211_PLINK_ESTAB)
1329 changed = mesh_plink_inc_estab_count(
1330 sdata);
1331 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1332
1333 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1334 changed |= ieee80211_mps_set_sta_local_pm(sta,
1335 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1336 break;
1337 case NL80211_PLINK_LISTEN:
57cf8043 1338 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1339 case NL80211_PLINK_OPN_SNT:
1340 case NL80211_PLINK_OPN_RCVD:
1341 case NL80211_PLINK_CNF_RCVD:
1342 case NL80211_PLINK_HOLDING:
1343 if (sta->plink_state == NL80211_PLINK_ESTAB)
1344 changed = mesh_plink_dec_estab_count(
1345 sdata);
9c3990aa 1346 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1347
1348 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1349 changed |= ieee80211_mps_set_sta_local_pm(sta,
1350 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1351 break;
1352 default:
1353 /* nothing */
1354 break;
1355 }
77ee7c89
JB		 1356 }
1357
1358 switch (params->plink_action) {
1359 case NL80211_PLINK_ACTION_NO_ACTION:
1360 /* nothing */
1361 break;
1362 case NL80211_PLINK_ACTION_OPEN:
1363 changed |= mesh_plink_open(sta);
1364 break;
1365 case NL80211_PLINK_ACTION_BLOCK:
1366 changed |= mesh_plink_block(sta);
1367 break;
1617bab8 1368 }
3f52b7e3
MP		 1369
1370 if (params->local_pm)
39886b61
TP		 1371 changed |=
1372 ieee80211_mps_set_sta_local_pm(sta,
1373 params->local_pm);
1374 ieee80211_bss_info_change_notify(sdata, changed);
4daf50f2 1375#endif
902acc78 1376 }
d9a7ddb0
JB		 1377
1378 return 0;
4fd6931e
JB		 1379}
1380
1381static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1382 u8 *mac, struct station_parameters *params)
1383{
14db74bc 1384 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1385 struct sta_info *sta;
1386 struct ieee80211_sub_if_data *sdata;
73651ee6 1387 int err;
b8d476c8 1388 int layer2_update;
4fd6931e 1389
4fd6931e
JB		 1390 if (params->vlan) {
1391 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1392
05c914fe
JB		 1393 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1394 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1395 return -EINVAL;
1396 } else
1397 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1398
b203ca39 1399 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1400 return -EINVAL;
1401
1402 if (is_multicast_ether_addr(mac))
1403 return -EINVAL;
1404
1405 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1406 if (!sta)
1407 return -ENOMEM;
4fd6931e 1408
d582cffb
JB		 1409 /*
1410 * defaults -- if userspace wants something else we'll
1411 * change it accordingly in sta_apply_parameters()
1412 */
77ee7c89
JB		 1413 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1414 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1415 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1416 }
4fd6931e 1417
d9a7ddb0
JB		 1418 err = sta_apply_parameters(local, sta, params);
1419 if (err) {
1420 sta_info_free(local, sta);
1421 return err;
1422 }
4fd6931e 1423
d64cf63e 1424 /*
77ee7c89
JB		 1425 * for TDLS, rate control should be initialized only when
1426 * rates are known and station is marked authorized
d64cf63e
AN		 1427 */
1428 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1429 rate_control_rate_init(sta);
4fd6931e 1430
b8d476c8
JM		 1431 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1432 sdata->vif.type == NL80211_IFTYPE_AP;
1433
34e89507 1434 err = sta_info_insert_rcu(sta);
73651ee6 1435 if (err) {
73651ee6
JB		 1436 rcu_read_unlock();
1437 return err;
1438 }
1439
b8d476c8 1440 if (layer2_update)
73651ee6
JB		 1441 ieee80211_send_layer2_update(sta);
1442
1443 rcu_read_unlock();
1444
4fd6931e
JB		 1445 return 0;
1446}
1447
1448static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1449 u8 *mac)
1450{
14db74bc 1451 struct ieee80211_sub_if_data *sdata;
4fd6931e 1452
14db74bc
JB		 1453 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1454
34e89507
JB		 1455 if (mac)
1456 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1457
b998e8bb 1458 sta_info_flush(sdata);
4fd6931e
JB		 1459 return 0;
1460}
1461
1462static int ieee80211_change_station(struct wiphy *wiphy,
77ee7c89 1463 struct net_device *dev, u8 *mac,
4fd6931e
JB		 1464 struct station_parameters *params)
1465{
abe60632 1466 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1467 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1468 struct sta_info *sta;
1469 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1470 enum cfg80211_station_type statype;
35b88623 1471 int err;
4fd6931e 1472
87be1e1e 1473 mutex_lock(&local->sta_mtx);
98dd6a57 1474
0e5ded5a 1475 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1476 if (!sta) {
77ee7c89
JB		 1477 err = -ENOENT;
1478 goto out_err;
98dd6a57 1479 }
4fd6931e 1480
77ee7c89
JB		 1481 switch (sdata->vif.type) {
1482 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1483 if (sdata->u.mesh.user_mpm)
eef941e6 1484 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1485 else
eef941e6 1486 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1487 break;
1488 case NL80211_IFTYPE_ADHOC:
1489 statype = CFG80211_STA_IBSS;
1490 break;
1491 case NL80211_IFTYPE_STATION:
1492 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1493 statype = CFG80211_STA_AP_STA;
1494 break;
1495 }
1496 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1497 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1498 else
1499 statype = CFG80211_STA_TDLS_PEER_SETUP;
1500 break;
1501 case NL80211_IFTYPE_AP:
1502 case NL80211_IFTYPE_AP_VLAN:
1503 statype = CFG80211_STA_AP_CLIENT;
1504 break;
1505 default:
1506 err = -EOPNOTSUPP;
1507 goto out_err;
bdd90d5e
JB		 1508 }
1509
77ee7c89
JB		 1510 err = cfg80211_check_station_change(wiphy, params, statype);
1511 if (err)
1512 goto out_err;
1513
d0709a65 1514 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1515 bool prev_4addr = false;
1516 bool new_4addr = false;
1517
4fd6931e
JB		 1518 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1519
9bc383de 1520 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1521 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1522 err = -EBUSY;
1523 goto out_err;
3305443c 1524 }
f14543ee 1525
cf778b00 1526 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1527 new_4addr = true;
1528 }
1529
1530 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1531 sta->sdata->u.vlan.sta) {
1532 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1533 prev_4addr = true;
f14543ee
FF		 1534 }
1535
14db74bc 1536 sta->sdata = vlansdata;
7e3ed02c
FF		 1537
1538 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1539 prev_4addr != new_4addr) {
1540 if (new_4addr)
1541 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1542 else
1543 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1544 }
1545
4fd6931e
JB		 1546 ieee80211_send_layer2_update(sta);
1547 }
1548
35b88623 1549 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1550 if (err)
1551 goto out_err;
4fd6931e 1552
77ee7c89
JB		 1553 /* When peer becomes authorized, init rate control as well */
1554 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1555 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1556 rate_control_rate_init(sta);
1557
87be1e1e 1558 mutex_unlock(&local->sta_mtx);
98dd6a57 1559
687da132
EG		 1560 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1561 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1562 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1563 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1564 sta_info_tx_streams(sta) != 1) {
1565 ht_dbg(sta->sdata,
1566 "%pM just authorized and MIMO capable - update SMPS\n",
1567 sta->sta.addr);
1568 ieee80211_send_smps_action(sta->sdata,
1569 sta->sdata->bss->req_smps,
1570 sta->sta.addr,
1571 sta->sdata->vif.bss_conf.bssid);
1572 }
1573
808118cb 1574 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1575 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1576 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1577 ieee80211_recalc_ps_vif(sdata);
1578 }
77ee7c89 1579
4fd6931e 1580 return 0;
77ee7c89
JB		 1581out_err:
1582 mutex_unlock(&local->sta_mtx);
1583 return err;
4fd6931e
JB		 1584}
1585
c5dd9c2b
LCC		 1586#ifdef CONFIG_MAC80211_MESH
1587static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1588 u8 *dst, u8 *next_hop)
1589{
14db74bc 1590 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1591 struct mesh_path *mpath;
1592 struct sta_info *sta;
c5dd9c2b 1593
14db74bc
JB		 1594 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1595
d0709a65 1596 rcu_read_lock();
abe60632 1597 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1598 if (!sta) {
1599 rcu_read_unlock();
c5dd9c2b 1600 return -ENOENT;
d0709a65 1601 }
c5dd9c2b 1602
ae76eef0
BC		 1603 mpath = mesh_path_add(sdata, dst);
1604 if (IS_ERR(mpath)) {
d0709a65 1605 rcu_read_unlock();
ae76eef0 1606 return PTR_ERR(mpath);
d0709a65 1607 }
c5dd9c2b 1608
c5dd9c2b 1609 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1610
c5dd9c2b
LCC		 1611 rcu_read_unlock();
1612 return 0;
1613}
1614
1615static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1616 u8 *dst)
c5dd9c2b 1617{
f698d856
JBG		 1618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1619
c5dd9c2b 1620 if (dst)
bf7cd94d 1621 return mesh_path_del(sdata, dst);
c5dd9c2b 1622
ece1a2e7 1623 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1624 return 0;
1625}
1626
1627static int ieee80211_change_mpath(struct wiphy *wiphy,
1628 struct net_device *dev,
1629 u8 *dst, u8 *next_hop)
1630{
14db74bc 1631 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1632 struct mesh_path *mpath;
1633 struct sta_info *sta;
1634
14db74bc
JB		 1635 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636
d0709a65
JB		 1637 rcu_read_lock();
1638
abe60632 1639 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1640 if (!sta) {
1641 rcu_read_unlock();
c5dd9c2b 1642 return -ENOENT;
d0709a65 1643 }
c5dd9c2b 1644
bf7cd94d 1645 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1646 if (!mpath) {
1647 rcu_read_unlock();
c5dd9c2b
LCC		 1648 return -ENOENT;
1649 }
1650
1651 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1652
c5dd9c2b
LCC		 1653 rcu_read_unlock();
1654 return 0;
1655}
1656
1657static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1658 struct mpath_info *pinfo)
1659{
a3836e02
JB		 1660 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1661
1662 if (next_hop_sta)
1663 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1664 else
1665 memset(next_hop, 0, ETH_ALEN);
1666
7ce8c7a3
LAYS		 1667 memset(pinfo, 0, sizeof(*pinfo));
1668
f5ea9120
JB		 1669 pinfo->generation = mesh_paths_generation;
1670
c5dd9c2b 1671 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1672 MPATH_INFO_SN |
c5dd9c2b
LCC		 1673 MPATH_INFO_METRIC |
1674 MPATH_INFO_EXPTIME |
1675 MPATH_INFO_DISCOVERY_TIMEOUT |
1676 MPATH_INFO_DISCOVERY_RETRIES |
1677 MPATH_INFO_FLAGS;
1678
1679 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1680 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1681 pinfo->metric = mpath->metric;
1682 if (time_before(jiffies, mpath->exp_time))
1683 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1684 pinfo->discovery_timeout =
1685 jiffies_to_msecs(mpath->discovery_timeout);
1686 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1687 if (mpath->flags & MESH_PATH_ACTIVE)
1688 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1689 if (mpath->flags & MESH_PATH_RESOLVING)
1690 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1691 if (mpath->flags & MESH_PATH_SN_VALID)
1692 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1693 if (mpath->flags & MESH_PATH_FIXED)
1694 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1695 if (mpath->flags & MESH_PATH_RESOLVED)
1696 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1697}
1698
1699static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1700 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1701
1702{
14db74bc 1703 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1704 struct mesh_path *mpath;
1705
14db74bc
JB		 1706 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1707
c5dd9c2b 1708 rcu_read_lock();
bf7cd94d 1709 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1710 if (!mpath) {
1711 rcu_read_unlock();
1712 return -ENOENT;
1713 }
1714 memcpy(dst, mpath->dst, ETH_ALEN);
1715 mpath_set_pinfo(mpath, next_hop, pinfo);
1716 rcu_read_unlock();
1717 return 0;
1718}
1719
1720static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1721 int idx, u8 *dst, u8 *next_hop,
1722 struct mpath_info *pinfo)
1723{
14db74bc 1724 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1725 struct mesh_path *mpath;
1726
14db74bc
JB		 1727 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1728
c5dd9c2b 1729 rcu_read_lock();
bf7cd94d 1730 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1731 if (!mpath) {
1732 rcu_read_unlock();
1733 return -ENOENT;
1734 }
1735 memcpy(dst, mpath->dst, ETH_ALEN);
1736 mpath_set_pinfo(mpath, next_hop, pinfo);
1737 rcu_read_unlock();
1738 return 0;
1739}
93da9cc1 1740
24bdd9f4 1741static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1742 struct net_device *dev,
1743 struct mesh_config *conf)
1744{
1745 struct ieee80211_sub_if_data *sdata;
1746 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1747
93da9cc1 1748 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1749 return 0;
1750}
1751
1752static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1753{
1754 return (mask >> (parm-1)) & 0x1;
1755}
1756
c80d545d
JC		 1757static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1758 const struct mesh_setup *setup)
1759{
1760 u8 *new_ie;
1761 const u8 *old_ie;
4bb62344
CYY		 1762 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1763 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1764
581a8b0f 1765 /* allocate information elements */
c80d545d 1766 new_ie = NULL;
581a8b0f 1767 old_ie = ifmsh->ie;
c80d545d 1768
581a8b0f
JC		 1769 if (setup->ie_len) {
1770 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1771 GFP_KERNEL);
1772 if (!new_ie)
1773 return -ENOMEM;
1774 }
581a8b0f
JC		 1775 ifmsh->ie_len = setup->ie_len;
1776 ifmsh->ie = new_ie;
1777 kfree(old_ie);
c80d545d
JC		 1778
1779 /* now copy the rest of the setup parameters */
1780 ifmsh->mesh_id_len = setup->mesh_id_len;
1781 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1782 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1783 ifmsh->mesh_pp_id = setup->path_sel_proto;
1784 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1785 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1786 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1787 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1788 if (setup->is_authenticated)
1789 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1790 if (setup->is_secure)
1791 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1792
4bb62344
CYY		 1793 /* mcast rate setting in Mesh Node */
1794 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1795 sizeof(setup->mcast_rate));
ffb3cf30 1796 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1797
9bdbf04d
MP		 1798 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1799 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1800
c80d545d
JC		 1801 return 0;
1802}
1803
24bdd9f4 1804static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1805 struct net_device *dev, u32 mask,
1806 const struct mesh_config *nconf)
93da9cc1 1807{
1808 struct mesh_config *conf;
1809 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1810 struct ieee80211_if_mesh *ifmsh;
1811
93da9cc1 1812 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1813 ifmsh = &sdata->u.mesh;
93da9cc1 1814
93da9cc1 1815 /* Set the config options which we are interested in setting */
1816 conf = &(sdata->u.mesh.mshcfg);
1817 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1818 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1819 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1820 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1821 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1822 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1823 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1824 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1825 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1826 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1827 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1828 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1829 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1830 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1831 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1832 if (ifmsh->user_mpm)
1833 return -EBUSY;
93da9cc1 1834 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1835 }
d299a1f2
JC		 1836 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1837 conf->dot11MeshNbrOffsetMaxNeighbor =
1838 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1839 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1840 conf->dot11MeshHWMPmaxPREQretries =
1841 nconf->dot11MeshHWMPmaxPREQretries;
1842 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1843 conf->path_refresh_time = nconf->path_refresh_time;
1844 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1845 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1846 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1847 conf->dot11MeshHWMPactivePathTimeout =
1848 nconf->dot11MeshHWMPactivePathTimeout;
1849 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1850 conf->dot11MeshHWMPpreqMinInterval =
1851 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1852 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1853 conf->dot11MeshHWMPperrMinInterval =
1854 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1855 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1856 mask))
1857 conf->dot11MeshHWMPnetDiameterTraversalTime =
1858 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1859 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1860 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1861 ieee80211_mesh_root_setup(ifmsh);
1862 }
16dd7267 1863 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1864 /* our current gate announcement implementation rides on root
1865 * announcements, so require this ifmsh to also be a root node
1866 * */
1867 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1868 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1869 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1870 ieee80211_mesh_root_setup(ifmsh);
1871 }
16dd7267
JC		 1872 conf->dot11MeshGateAnnouncementProtocol =
1873 nconf->dot11MeshGateAnnouncementProtocol;
1874 }
a4f606ea 1875 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1876 conf->dot11MeshHWMPRannInterval =
1877 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1878 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1879 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1880 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1881 /* our RSSI threshold implementation is supported only for
1882 * devices that report signal in dBm.
1883 */
1884 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1885 return -ENOTSUPP;
1886 conf->rssi_threshold = nconf->rssi_threshold;
1887 }
70c33eaa
AN		 1888 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1889 conf->ht_opmode = nconf->ht_opmode;
1890 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1891 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1892 }
ac1073a6
CYY		 1893 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1894 conf->dot11MeshHWMPactivePathToRootTimeout =
1895 nconf->dot11MeshHWMPactivePathToRootTimeout;
1896 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1897 conf->dot11MeshHWMProotInterval =
1898 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1899 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1900 conf->dot11MeshHWMPconfirmationInterval =
1901 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1902 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1903 conf->power_mode = nconf->power_mode;
1904 ieee80211_mps_local_status_update(sdata);
1905 }
2b5e1967 1906 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1907 conf->dot11MeshAwakeWindowDuration =
1908 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1909 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1910 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1911 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1912 return 0;
1913}
1914
29cbe68c
JB		 1915static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1916 const struct mesh_config *conf,
1917 const struct mesh_setup *setup)
1918{
1919 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1920 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1921 int err;
29cbe68c 1922
c80d545d
JC		 1923 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1924 err = copy_mesh_setup(ifmsh, setup);
1925 if (err)
1926 return err;
cc1d2806 1927
04ecd257
JB		 1928 /* can mesh use other SMPS modes? */
1929 sdata->smps_mode = IEEE80211_SMPS_OFF;
1930 sdata->needed_rx_chains = sdata->local->rx_chains;
1931
4bf88530 1932 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1933 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1934 if (err)
1935 return err;
1936
2b5e1967 1937 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1938}
1939
1940static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1941{
1942 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1943
1944 ieee80211_stop_mesh(sdata);
55de908a 1945 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1946
1947 return 0;
1948}
c5dd9c2b
LCC		 1949#endif
1950
9f1ba906
JM		 1951static int ieee80211_change_bss(struct wiphy *wiphy,
1952 struct net_device *dev,
1953 struct bss_parameters *params)
1954{
55de908a
JB		 1955 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1956 enum ieee80211_band band;
9f1ba906
JM		 1957 u32 changed = 0;
1958
55de908a
JB		 1959 if (!rtnl_dereference(sdata->u.ap.beacon))
1960 return -ENOENT;
1961
1962 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1963
9f1ba906 1964 if (params->use_cts_prot >= 0) {
bda3933a 1965 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1966 changed |= BSS_CHANGED_ERP_CTS_PROT;
1967 }
1968 if (params->use_short_preamble >= 0) {
bda3933a 1969 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1970 params->use_short_preamble;
1971 changed |= BSS_CHANGED_ERP_PREAMBLE;
1972 }
43d35343
FF		 1973
1974 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1975 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1976 sdata->vif.bss_conf.use_short_slot = true;
1977 changed |= BSS_CHANGED_ERP_SLOT;
1978 }
1979
9f1ba906 1980 if (params->use_short_slot_time >= 0) {
bda3933a 1981 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1982 params->use_short_slot_time;
1983 changed |= BSS_CHANGED_ERP_SLOT;
1984 }
1985
90c97a04 1986 if (params->basic_rates) {
2103dec1
SW		 1987 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1988 wiphy->bands[band],
1989 params->basic_rates,
1990 params->basic_rates_len,
1991 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1992 changed |= BSS_CHANGED_BASIC_RATES;
1993 }
1994
7b7b5e56
FF		 1995 if (params->ap_isolate >= 0) {
1996 if (params->ap_isolate)
1997 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1998 else
1999 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2000 }
2001
80d7e403
HS		 2002 if (params->ht_opmode >= 0) {
2003 sdata->vif.bss_conf.ht_operation_mode =
2004 (u16) params->ht_opmode;
2005 changed |= BSS_CHANGED_HT;
2006 }
2007
339afbf4 2008 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2009 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2010 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2011 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2012 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2013 changed |= BSS_CHANGED_P2P_PS;
2014 }
2015
67baf663
JD		 2016 if (params->p2p_opp_ps > 0) {
2017 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2018 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2019 changed |= BSS_CHANGED_P2P_PS;
2020 } else if (params->p2p_opp_ps == 0) {
2021 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2022 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2023 changed |= BSS_CHANGED_P2P_PS;
2024 }
2025
9f1ba906
JM		 2026 ieee80211_bss_info_change_notify(sdata, changed);
2027
2028 return 0;
2029}
2030
31888487 2031static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2032 struct net_device *dev,
31888487
JM		 2033 struct ieee80211_txq_params *params)
2034{
2035 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2036 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2037 struct ieee80211_tx_queue_params p;
2038
2039 if (!local->ops->conf_tx)
2040 return -EOPNOTSUPP;
2041
54bcbc69
JB		 2042 if (local->hw.queues < IEEE80211_NUM_ACS)
2043 return -EOPNOTSUPP;
2044
31888487
JM		 2045 memset(&p, 0, sizeof(p));
2046 p.aifs = params->aifs;
2047 p.cw_max = params->cwmax;
2048 p.cw_min = params->cwmin;
2049 p.txop = params->txop;
ab13315a
KV		 2050
2051 /*
2052 * Setting tx queue params disables u-apsd because it's only
2053 * called in master mode.
2054 */
2055 p.uapsd = false;
2056
a3304b0a
JB		 2057 sdata->tx_conf[params->ac] = p;
2058 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2059 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2060 "failed to set TX queue parameters for AC %d\n",
2061 params->ac);
31888487
JM		 2062 return -EINVAL;
2063 }
2064
7d25745d
JB		 2065 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2066
31888487
JM		 2067 return 0;
2068}
2069
665af4fc 2070#ifdef CONFIG_PM
ff1b6e69
JB		 2071static int ieee80211_suspend(struct wiphy *wiphy,
2072 struct cfg80211_wowlan *wowlan)
665af4fc 2073{
eecc4800 2074 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2075}
2076
2077static int ieee80211_resume(struct wiphy *wiphy)
2078{
2079 return __ieee80211_resume(wiphy_priv(wiphy));
2080}
2081#else
2082#define ieee80211_suspend NULL
2083#define ieee80211_resume NULL
2084#endif
2085
2a519311 2086static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2087 struct cfg80211_scan_request *req)
2088{
fd014284
JB		 2089 struct ieee80211_sub_if_data *sdata;
2090
2091 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2092
2ca27bcf
JB		 2093 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2094 case NL80211_IFTYPE_STATION:
2095 case NL80211_IFTYPE_ADHOC:
2096 case NL80211_IFTYPE_MESH_POINT:
2097 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2098 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2099 break;
2100 case NL80211_IFTYPE_P2P_GO:
2101 if (sdata->local->ops->hw_scan)
2102 break;
e9d7732e
JB		 2103 /*
2104 * FIXME: implement NoA while scanning in software,
2105 * for now fall through to allow scanning only when
2106 * beaconing hasn't been configured yet
2107 */
2ca27bcf 2108 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2109 /*
2110 * If the scan has been forced (and the driver supports
2111 * forcing), don't care about being beaconing already.
2112 * This will create problems to the attached stations (e.g. all
2113 * the frames sent while scanning on other channel will be
2114 * lost)
2115 */
2116 if (sdata->u.ap.beacon &&
2117 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2118 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2119 return -EOPNOTSUPP;
2120 break;
2121 default:
2122 return -EOPNOTSUPP;
2123 }
2a519311
JB		 2124
2125 return ieee80211_request_scan(sdata, req);
2126}
2127
79f460ca
LC		 2128static int
2129ieee80211_sched_scan_start(struct wiphy *wiphy,
2130 struct net_device *dev,
2131 struct cfg80211_sched_scan_request *req)
2132{
2133 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2134
2135 if (!sdata->local->ops->sched_scan_start)
2136 return -EOPNOTSUPP;
2137
2138 return ieee80211_request_sched_scan_start(sdata, req);
2139}
2140
2141static int
85a9994a 2142ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2143{
2144 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2145
2146 if (!sdata->local->ops->sched_scan_stop)
2147 return -EOPNOTSUPP;
2148
85a9994a 2149 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2150}
2151
636a5d36
JM		 2152static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2153 struct cfg80211_auth_request *req)
2154{
77fdaa12 2155 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2156}
2157
2158static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2159 struct cfg80211_assoc_request *req)
2160{
77fdaa12 2161 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2162}
2163
2164static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2165 struct cfg80211_deauth_request *req)
636a5d36 2166{
63c9c5e7 2167 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2168}
2169
2170static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2171 struct cfg80211_disassoc_request *req)
636a5d36 2172{
63c9c5e7 2173 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2174}
2175
af8cdcd8
JB		 2176static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2177 struct cfg80211_ibss_params *params)
2178{
55de908a 2179 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2180}
2181
2182static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2183{
55de908a 2184 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2185}
2186
391e53e3
AQ		 2187static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2188 int rate[IEEE80211_NUM_BANDS])
2189{
2190 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2191
9887dbf5
CD		 2192 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2193 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2194
2195 return 0;
2196}
2197
b9a5f8ca
JM		 2198static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2199{
2200 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2201 int err;
b9a5f8ca 2202
f23a4780
AN		 2203 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2204 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2205
2206 if (err)
2207 return err;
2208 }
2209
310bc676
LT		 2210 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2211 err = drv_set_coverage_class(local, wiphy->coverage_class);
2212
2213 if (err)
2214 return err;
2215 }
2216
b9a5f8ca 2217 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2218 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2219
24487981
JB		 2220 if (err)
2221 return err;
b9a5f8ca
JM		 2222 }
2223
8bc83c24
JB		 2224 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2225 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2226 return -EINVAL;
b9a5f8ca 2227 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2228 }
2229 if (changed & WIPHY_PARAM_RETRY_LONG) {
2230 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2231 return -EINVAL;
b9a5f8ca 2232 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2233 }
b9a5f8ca
JM		 2234 if (changed &
2235 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2236 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2237
2238 return 0;
2239}
2240
7643a2c3 2241static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2242 struct wireless_dev *wdev,
fa61cf70 2243 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2244{
2245 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2246 struct ieee80211_sub_if_data *sdata;
7643a2c3 2247
1ea6f9c0
JB		 2248 if (wdev) {
2249 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2250
2251 switch (type) {
2252 case NL80211_TX_POWER_AUTOMATIC:
2253 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2254 break;
2255 case NL80211_TX_POWER_LIMITED:
2256 case NL80211_TX_POWER_FIXED:
2257 if (mbm < 0 || (mbm % 100))
2258 return -EOPNOTSUPP;
2259 sdata->user_power_level = MBM_TO_DBM(mbm);
2260 break;
2261 }
2262
2263 ieee80211_recalc_txpower(sdata);
2264
2265 return 0;
2266 }
55de908a 2267
7643a2c3 2268 switch (type) {
fa61cf70 2269 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2270 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2271 break;
fa61cf70 2272 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2273 case NL80211_TX_POWER_FIXED:
2274 if (mbm < 0 || (mbm % 100))
2275 return -EOPNOTSUPP;
fa61cf70 2276 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2277 break;
7643a2c3
JB		 2278 }
2279
1ea6f9c0
JB		 2280 mutex_lock(&local->iflist_mtx);
2281 list_for_each_entry(sdata, &local->interfaces, list)
2282 sdata->user_power_level = local->user_power_level;
2283 list_for_each_entry(sdata, &local->interfaces, list)
2284 ieee80211_recalc_txpower(sdata);
2285 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2286
2287 return 0;
2288}
2289
c8442118
JB		 2290static int ieee80211_get_tx_power(struct wiphy *wiphy,
2291 struct wireless_dev *wdev,
2292 int *dbm)
7643a2c3
JB		 2293{
2294 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2295 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2296
1ea6f9c0
JB		 2297 if (!local->use_chanctx)
2298 *dbm = local->hw.conf.power_level;
2299 else
2300 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2301
7643a2c3
JB		 2302 return 0;
2303}
2304
ab737a4f 2305static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2306 const u8 *addr)
ab737a4f
JB		 2307{
2308 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2309
2310 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2311
2312 return 0;
2313}
2314
1f87f7d3
JB		 2315static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2316{
2317 struct ieee80211_local *local = wiphy_priv(wiphy);
2318
2319 drv_rfkill_poll(local);
2320}
2321
aff89a9b 2322#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2323static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2324 struct wireless_dev *wdev,
2325 void *data, int len)
aff89a9b
JB		 2326{
2327 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2328 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2329
2330 if (!local->ops->testmode_cmd)
2331 return -EOPNOTSUPP;
2332
52981cd7
DS		 2333 if (wdev) {
2334 struct ieee80211_sub_if_data *sdata;
2335
2336 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2337 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2338 vif = &sdata->vif;
2339 }
2340
2341 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2342}
71063f0e
WYG		 2343
2344static int ieee80211_testmode_dump(struct wiphy *wiphy,
2345 struct sk_buff *skb,
2346 struct netlink_callback *cb,
2347 void *data, int len)
2348{
2349 struct ieee80211_local *local = wiphy_priv(wiphy);
2350
2351 if (!local->ops->testmode_dump)
2352 return -EOPNOTSUPP;
2353
2354 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2355}
aff89a9b
JB		 2356#endif
2357
687da132
EG		 2358int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2359 enum ieee80211_smps_mode smps_mode)
2360{
2361 struct sta_info *sta;
2362 enum ieee80211_smps_mode old_req;
2363 int i;
2364
2365 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2366 return -EINVAL;
2367
2368 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2369 return 0;
2370
2371 old_req = sdata->u.ap.req_smps;
2372 sdata->u.ap.req_smps = smps_mode;
2373
2374 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2375 if (old_req == smps_mode ||
2376 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2377 return 0;
2378
2379 /* If no associated stations, there's no need to do anything */
2380 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2381 sdata->smps_mode = smps_mode;
2382 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2383 return 0;
2384 }
2385
2386 ht_dbg(sdata,
2387 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2388 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2389
2390 mutex_lock(&sdata->local->sta_mtx);
2391 for (i = 0; i < STA_HASH_SIZE; i++) {
2392 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2393 lockdep_is_held(&sdata->local->sta_mtx));
2394 sta;
2395 sta = rcu_dereference_protected(sta->hnext,
2396 lockdep_is_held(&sdata->local->sta_mtx))) {
2397 /*
2398 * Only stations associated to our AP and
2399 * associated VLANs
2400 */
2401 if (sta->sdata->bss != &sdata->u.ap)
2402 continue;
2403
2404 /* This station doesn't support MIMO - skip it */
2405 if (sta_info_tx_streams(sta) == 1)
2406 continue;
2407
2408 /*
2409 * Don't wake up a STA just to send the action frame
2410 * unless we are getting more restrictive.
2411 */
2412 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2413 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2414 smps_mode)) {
2415 ht_dbg(sdata,
2416 "Won't send SMPS to sleeping STA %pM\n",
2417 sta->sta.addr);
2418 continue;
2419 }
2420
2421 /*
2422 * If the STA is not authorized, wait until it gets
2423 * authorized and the action frame will be sent then.
2424 */
2425 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2426 continue;
2427
2428 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2429 ieee80211_send_smps_action(sdata, smps_mode,
2430 sta->sta.addr,
2431 sdata->vif.bss_conf.bssid);
2432 }
2433 }
2434 mutex_unlock(&sdata->local->sta_mtx);
2435
2436 sdata->smps_mode = smps_mode;
2437 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2438
2439 return 0;
2440}
2441
2442int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2443 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2444{
2445 const u8 *ap;
2446 enum ieee80211_smps_mode old_req;
2447 int err;
2448
8d61ffa5 2449 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2450
687da132
EG		 2451 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2452 return -EINVAL;
2453
0f78231b
JB		 2454 old_req = sdata->u.mgd.req_smps;
2455 sdata->u.mgd.req_smps = smps_mode;
2456
2457 if (old_req == smps_mode &&
2458 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2459 return 0;
2460
2461 /*
2462 * If not associated, or current association is not an HT
04ecd257
JB		 2463 * association, there's no need to do anything, just store
2464 * the new value until we associate.
0f78231b
JB		 2465 */
2466 if (!sdata->u.mgd.associated ||
4bf88530 2467 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2468 return 0;
0f78231b 2469
0c1ad2ca 2470 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2471
2472 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2473 if (sdata->u.mgd.powersave)
2474 smps_mode = IEEE80211_SMPS_DYNAMIC;
2475 else
2476 smps_mode = IEEE80211_SMPS_OFF;
2477 }
2478
2479 /* send SM PS frame to AP */
2480 err = ieee80211_send_smps_action(sdata, smps_mode,
2481 ap, ap);
2482 if (err)
2483 sdata->u.mgd.req_smps = old_req;
2484
2485 return err;
2486}
2487
bc92afd9
JB		 2488static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2489 bool enabled, int timeout)
2490{
2491 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2492 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2493
ee1f6681
CYY		 2494 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2495 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2496 return -EOPNOTSUPP;
2497
bc92afd9
JB		 2498 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2499 return -EOPNOTSUPP;
2500
2501 if (enabled == sdata->u.mgd.powersave &&
ff616381 2502 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2503 return 0;
2504
2505 sdata->u.mgd.powersave = enabled;
ff616381 2506 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2507
0f78231b 2508 /* no change, but if automatic follow powersave */
ed405be5 2509 sdata_lock(sdata);
687da132 2510 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2511 sdata_unlock(sdata);
0f78231b 2512
bc92afd9
JB		 2513 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2514 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2515
2516 ieee80211_recalc_ps(local, -1);
ab095877 2517 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2518
2519 return 0;
2520}
2521
a97c13c3
JO		 2522static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2523 struct net_device *dev,
2524 s32 rssi_thold, u32 rssi_hyst)
2525{
2526 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2527 struct ieee80211_vif *vif = &sdata->vif;
2528 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2529
a97c13c3
JO		 2530 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2531 rssi_hyst == bss_conf->cqm_rssi_hyst)
2532 return 0;
2533
2534 bss_conf->cqm_rssi_thold = rssi_thold;
2535 bss_conf->cqm_rssi_hyst = rssi_hyst;
2536
2537 /* tell the driver upon association, unless already associated */
ea086359
JB		 2538 if (sdata->u.mgd.associated &&
2539 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2540 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2541
2542 return 0;
2543}
2544
9930380f
JB		 2545static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2546 struct net_device *dev,
2547 const u8 *addr,
2548 const struct cfg80211_bitrate_mask *mask)
2549{
2550 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2551 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2552 int i, ret;
2c7e6bc9 2553
554a43d5
EP		 2554 if (!ieee80211_sdata_running(sdata))
2555 return -ENETDOWN;
2556
bdbfd6b5
SM		 2557 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2558 ret = drv_set_bitrate_mask(local, sdata, mask);
2559 if (ret)
2560 return ret;
2561 }
9930380f 2562
19468413 2563 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2564 struct ieee80211_supported_band *sband = wiphy->bands[i];
2565 int j;
2566
37eb0b16 2567 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2568 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2569 sizeof(mask->control[i].mcs));
2ffbe6d3
FF		 2570
2571 sdata->rc_has_mcs_mask[i] = false;
2572 if (!sband)
2573 continue;
2574
2575 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2576 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2577 sdata->rc_has_mcs_mask[i] = true;
2578 break;
2579 }
19468413 2580 }
9930380f 2581
37eb0b16 2582 return 0;
9930380f
JB		 2583}
2584
2eb278e0
JB		 2585static int ieee80211_start_roc_work(struct ieee80211_local *local,
2586 struct ieee80211_sub_if_data *sdata,
2587 struct ieee80211_channel *channel,
2eb278e0 2588 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2589 struct sk_buff *txskb,
2590 enum ieee80211_roc_type type)
2eb278e0
JB		 2591{
2592 struct ieee80211_roc_work *roc, *tmp;
2593 bool queued = false;
21f83589 2594 int ret;
21f83589
JB		 2595
2596 lockdep_assert_held(&local->mtx);
2597
fe57d9f5
JB		 2598 if (local->use_chanctx && !local->ops->remain_on_channel)
2599 return -EOPNOTSUPP;
2600
2eb278e0
JB		 2601 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2602 if (!roc)
2603 return -ENOMEM;
2604
2605 roc->chan = channel;
2eb278e0
JB		 2606 roc->duration = duration;
2607 roc->req_duration = duration;
2608 roc->frame = txskb;
d339d5ca 2609 roc->type = type;
2eb278e0
JB		 2610 roc->mgmt_tx_cookie = (unsigned long)txskb;
2611 roc->sdata = sdata;
2612 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2613 INIT_LIST_HEAD(&roc->dependents);
2614
2615 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2616 if (!list_empty(&local->roc_list) ||
2617 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2618 goto out_check_combine;
2619
2620 /* if not HW assist, just queue & schedule work */
2621 if (!local->ops->remain_on_channel) {
2622 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2623 goto out_queue;
2624 }
2625
2626 /* otherwise actually kick it off here (for error handling) */
2627
2628 /*
2629 * If the duration is zero, then the driver
2630 * wouldn't actually do anything. Set it to
2631 * 10 for now.
2632 *
2633 * TODO: cancel the off-channel operation
2634 * when we get the SKB's TX status and
2635 * the wait time was zero before.
2636 */
2637 if (!duration)
2638 duration = 10;
2639
d339d5ca 2640 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2641 if (ret) {
2eb278e0
JB		 2642 kfree(roc);
2643 return ret;
21f83589
JB		 2644 }
2645
2eb278e0
JB		 2646 roc->started = true;
2647 goto out_queue;
2648
2649 out_check_combine:
2650 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2651 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2652 continue;
2653
2654 /*
2655 * Extend this ROC if possible:
2656 *
2657 * If it hasn't started yet, just increase the duration
2658 * and add the new one to the list of dependents.
d339d5ca
IP		 2659 * If the type of the new ROC has higher priority, modify the
2660 * type of the previous one to match that of the new one.
2eb278e0
JB		 2661 */
2662 if (!tmp->started) {
2663 list_add_tail(&roc->list, &tmp->dependents);
2664 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2665 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2666 queued = true;
2667 break;
2668 }
2669
2670 /* If it has already started, it's more difficult ... */
2671 if (local->ops->remain_on_channel) {
2672 unsigned long j = jiffies;
2673
2674 /*
2675 * In the offloaded ROC case, if it hasn't begun, add
2676 * this new one to the dependent list to be handled
d339d5ca 2677 * when the master one begins. If it has begun,
2eb278e0
JB		 2678 * check that there's still a minimum time left and
2679 * if so, start this one, transmitting the frame, but
d339d5ca 2680 * add it to the list directly after this one with
2eb278e0
JB		 2681 * a reduced time so we'll ask the driver to execute
2682 * it right after finishing the previous one, in the
2683 * hope that it'll also be executed right afterwards,
2684 * effectively extending the old one.
2685 * If there's no minimum time left, just add it to the
2686 * normal list.
d339d5ca
IP		 2687 * TODO: the ROC type is ignored here, assuming that it
2688 * is better to immediately use the current ROC.
2eb278e0
JB		 2689 */
2690 if (!tmp->hw_begun) {
2691 list_add_tail(&roc->list, &tmp->dependents);
2692 queued = true;
2693 break;
2694 }
2695
2696 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2697 tmp->hw_start_time +
2698 msecs_to_jiffies(tmp->duration))) {
2699 int new_dur;
2700
2701 ieee80211_handle_roc_started(roc);
2702
2703 new_dur = roc->duration -
2704 jiffies_to_msecs(tmp->hw_start_time +
2705 msecs_to_jiffies(
2706 tmp->duration) -
2707 j);
2708
2709 if (new_dur > 0) {
2710 /* add right after tmp */
2711 list_add(&roc->list, &tmp->list);
2712 } else {
2713 list_add_tail(&roc->list,
2714 &tmp->dependents);
2715 }
2716 queued = true;
2717 }
2718 } else if (del_timer_sync(&tmp->work.timer)) {
2719 unsigned long new_end;
2720
2721 /*
2722 * In the software ROC case, cancel the timer, if
2723 * that fails then the finish work is already
2724 * queued/pending and thus we queue the new ROC
2725 * normally, if that succeeds then we can extend
2726 * the timer duration and TX the frame (if any.)
2727 */
2728
2729 list_add_tail(&roc->list, &tmp->dependents);
2730 queued = true;
2731
2732 new_end = jiffies + msecs_to_jiffies(roc->duration);
2733
2734 /* ok, it was started & we canceled timer */
2735 if (time_after(new_end, tmp->work.timer.expires))
2736 mod_timer(&tmp->work.timer, new_end);
2737 else
2738 add_timer(&tmp->work.timer);
2739
2740 ieee80211_handle_roc_started(roc);
2741 }
2742 break;
2743 }
2744
2745 out_queue:
2746 if (!queued)
2747 list_add_tail(&roc->list, &local->roc_list);
2748
2749 /*
50febf6a 2750 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2751 * or the SKB (for mgmt TX)
2752 */
50febf6a
JB		 2753 if (!txskb) {
2754 /* local->mtx protects this */
2755 local->roc_cookie_counter++;
2756 roc->cookie = local->roc_cookie_counter;
2757 /* wow, you wrapped 64 bits ... more likely a bug */
2758 if (WARN_ON(roc->cookie == 0)) {
2759 roc->cookie = 1;
2760 local->roc_cookie_counter++;
2761 }
2762 *cookie = roc->cookie;
2763 } else {
2eb278e0 2764 *cookie = (unsigned long)txskb;
50febf6a 2765 }
2eb278e0
JB		 2766
2767 return 0;
21f83589
JB		 2768}
2769
b8bc4b0a 2770static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2771 struct wireless_dev *wdev,
b8bc4b0a 2772 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2773 unsigned int duration,
2774 u64 *cookie)
2775{
71bbc994 2776 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2777 struct ieee80211_local *local = sdata->local;
2eb278e0 2778 int ret;
21f83589 2779
2eb278e0 2780 mutex_lock(&local->mtx);
42d97a59 2781 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2782 duration, cookie, NULL,
2783 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2784 mutex_unlock(&local->mtx);
b8bc4b0a 2785
2eb278e0 2786 return ret;
b8bc4b0a
JB		 2787}
2788
2eb278e0
JB		 2789static int ieee80211_cancel_roc(struct ieee80211_local *local,
2790 u64 cookie, bool mgmt_tx)
21f83589 2791{
2eb278e0 2792 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2793 int ret;
2794
2eb278e0
JB		 2795 mutex_lock(&local->mtx);
2796 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2797 struct ieee80211_roc_work *dep, *tmp2;
2798
2799 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2800 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2801 continue;
2802 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2803 continue;
2804 /* found dependent item -- just remove it */
2805 list_del(&dep->list);
2806 mutex_unlock(&local->mtx);
2807
3fbd45ca 2808 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2809 return 0;
2810 }
2811
50febf6a 2812 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2813 continue;
2814 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2815 continue;
21f83589 2816
2eb278e0
JB		 2817 found = roc;
2818 break;
2819 }
21f83589 2820
2eb278e0
JB		 2821 if (!found) {
2822 mutex_unlock(&local->mtx);
2823 return -ENOENT;
2824 }
21f83589 2825
e979e33c
JB		 2826 /*
2827 * We found the item to cancel, so do that. Note that it
2828 * may have dependents, which we also cancel (and send
2829 * the expired signal for.) Not doing so would be quite
2830 * tricky here, but we may need to fix it later.
2831 */
2832
2eb278e0
JB		 2833 if (local->ops->remain_on_channel) {
2834 if (found->started) {
2835 ret = drv_cancel_remain_on_channel(local);
2836 if (WARN_ON_ONCE(ret)) {
2837 mutex_unlock(&local->mtx);
2838 return ret;
2839 }
2840 }
21f83589 2841
2eb278e0 2842 list_del(&found->list);
21f83589 2843
0f6b3f59
JB		 2844 if (found->started)
2845 ieee80211_start_next_roc(local);
2eb278e0 2846 mutex_unlock(&local->mtx);
21f83589 2847
3fbd45ca 2848 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2849 } else {
2850 /* work may be pending so use it all the time */
2851 found->abort = true;
2852 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2853
21f83589
JB		 2854 mutex_unlock(&local->mtx);
2855
2eb278e0
JB		 2856 /* work will clean up etc */
2857 flush_delayed_work(&found->work);
3fbd45ca
JB		 2858 WARN_ON(!found->to_be_freed);
2859 kfree(found);
21f83589 2860 }
b8bc4b0a 2861
2eb278e0 2862 return 0;
b8bc4b0a
JB		 2863}
2864
2eb278e0 2865static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2866 struct wireless_dev *wdev,
2eb278e0 2867 u64 cookie)
f30221e4 2868{
71bbc994 2869 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2870 struct ieee80211_local *local = sdata->local;
f30221e4 2871
2eb278e0 2872 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2873}
2874
164eb02d
SW		 2875static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2876 struct net_device *dev,
2877 struct cfg80211_chan_def *chandef)
2878{
2879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2880 struct ieee80211_local *local = sdata->local;
2881 unsigned long timeout;
2882 int err;
2883
2884 if (!list_empty(&local->roc_list) || local->scanning)
2885 return -EBUSY;
2886
2887 /* whatever, but channel contexts should not complain about that one */
2888 sdata->smps_mode = IEEE80211_SMPS_OFF;
2889 sdata->needed_rx_chains = local->rx_chains;
2890 sdata->radar_required = true;
2891
2892 mutex_lock(&local->iflist_mtx);
2893 err = ieee80211_vif_use_channel(sdata, chandef,
2894 IEEE80211_CHANCTX_SHARED);
2895 mutex_unlock(&local->iflist_mtx);
2896 if (err)
2897 return err;
2898
2899 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2900 ieee80211_queue_delayed_work(&sdata->local->hw,
2901 &sdata->dfs_cac_timer_work, timeout);
2902
2903 return 0;
2904}
2905
73da7d5b
SW		 2906static struct cfg80211_beacon_data *
2907cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2908{
2909 struct cfg80211_beacon_data *new_beacon;
2910 u8 *pos;
2911 int len;
2912
2913 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2914 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2915 beacon->probe_resp_len;
2916
2917 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2918 if (!new_beacon)
2919 return NULL;
2920
2921 pos = (u8 *)(new_beacon + 1);
2922 if (beacon->head_len) {
2923 new_beacon->head_len = beacon->head_len;
2924 new_beacon->head = pos;
2925 memcpy(pos, beacon->head, beacon->head_len);
2926 pos += beacon->head_len;
2927 }
2928 if (beacon->tail_len) {
2929 new_beacon->tail_len = beacon->tail_len;
2930 new_beacon->tail = pos;
2931 memcpy(pos, beacon->tail, beacon->tail_len);
2932 pos += beacon->tail_len;
2933 }
2934 if (beacon->beacon_ies_len) {
2935 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2936 new_beacon->beacon_ies = pos;
2937 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2938 pos += beacon->beacon_ies_len;
2939 }
2940 if (beacon->proberesp_ies_len) {
2941 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2942 new_beacon->proberesp_ies = pos;
2943 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2944 pos += beacon->proberesp_ies_len;
2945 }
2946 if (beacon->assocresp_ies_len) {
2947 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2948 new_beacon->assocresp_ies = pos;
2949 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2950 pos += beacon->assocresp_ies_len;
2951 }
2952 if (beacon->probe_resp_len) {
2953 new_beacon->probe_resp_len = beacon->probe_resp_len;
2954 beacon->probe_resp = pos;
2955 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2956 pos += beacon->probe_resp_len;
2957 }
2958
2959 return new_beacon;
2960}
2961
2962void ieee80211_csa_finalize_work(struct work_struct *work)
2963{
2964 struct ieee80211_sub_if_data *sdata =
2965 container_of(work, struct ieee80211_sub_if_data,
2966 csa_finalize_work);
2967 struct ieee80211_local *local = sdata->local;
0951ebb8 2968 int err, changed = 0;
73da7d5b
SW		 2969
2970 if (!ieee80211_sdata_running(sdata))
2971 return;
2972
73da7d5b
SW		 2973 sdata->radar_required = sdata->csa_radar_required;
2974 err = ieee80211_vif_change_channel(sdata, &local->csa_chandef,
2975 &changed);
2976 if (WARN_ON(err < 0))
2977 return;
2978
7578d575
AN		 2979 if (!local->use_chanctx) {
2980 local->_oper_chandef = local->csa_chandef;
2981 ieee80211_hw_config(local, 0);
2982 }
2983
cd7760e6 2984 ieee80211_bss_info_change_notify(sdata, changed);
73da7d5b 2985
cd7760e6
SW		 2986 switch (sdata->vif.type) {
2987 case NL80211_IFTYPE_AP:
2988 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
2989 if (err < 0)
2990 return;
2991 changed |= err;
2992 kfree(sdata->u.ap.next_beacon);
2993 sdata->u.ap.next_beacon = NULL;
2994
2995 ieee80211_bss_info_change_notify(sdata, err);
2996 break;
2997 case NL80211_IFTYPE_ADHOC:
2998 ieee80211_ibss_finish_csa(sdata);
2999 break;
b8456a14
CYY		 3000#ifdef CONFIG_MAC80211_MESH
3001 case NL80211_IFTYPE_MESH_POINT:
3002 err = ieee80211_mesh_finish_csa(sdata);
3003 if (err < 0)
3004 return;
3005 break;
3006#endif
cd7760e6
SW		 3007 default:
3008 WARN_ON(1);
3009 return;
3010 }
73da7d5b
SW		 3011 sdata->vif.csa_active = false;
3012
3013 ieee80211_wake_queues_by_reason(&sdata->local->hw,
3014 IEEE80211_MAX_QUEUE_MAP,
3015 IEEE80211_QUEUE_STOP_REASON_CSA);
3016
73da7d5b
SW		 3017 cfg80211_ch_switch_notify(sdata->dev, &local->csa_chandef);
3018}
3019
3020static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3021 struct cfg80211_csa_settings *params)
3022{
3023 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3024 struct ieee80211_local *local = sdata->local;
3025 struct ieee80211_chanctx_conf *chanctx_conf;
3026 struct ieee80211_chanctx *chanctx;
c6da674a 3027 struct ieee80211_if_mesh __maybe_unused *ifmsh;
73da7d5b
SW		 3028 int err, num_chanctx;
3029
3030 if (!list_empty(&local->roc_list) || local->scanning)
3031 return -EBUSY;
3032
3033 if (sdata->wdev.cac_started)
3034 return -EBUSY;
3035
3036 if (cfg80211_chandef_identical(&params->chandef,
3037 &sdata->vif.bss_conf.chandef))
3038 return -EINVAL;
3039
3040 rcu_read_lock();
3041 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3042 if (!chanctx_conf) {
3043 rcu_read_unlock();
3044 return -EBUSY;
3045 }
3046
3047 /* don't handle for multi-VIF cases */
3048 chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
3049 if (chanctx->refcount > 1) {
3050 rcu_read_unlock();
3051 return -EBUSY;
3052 }
3053 num_chanctx = 0;
3054 list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
3055 num_chanctx++;
3056 rcu_read_unlock();
3057
3058 if (num_chanctx > 1)
3059 return -EBUSY;
3060
3061 /* don't allow another channel switch if one is already active. */
3062 if (sdata->vif.csa_active)
3063 return -EBUSY;
3064
73da7d5b
SW		 3065 switch (sdata->vif.type) {
3066 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3067 sdata->csa_counter_offset_beacon =
3068 params->counter_offset_beacon;
3069 sdata->csa_counter_offset_presp = params->counter_offset_presp;
3070 sdata->u.ap.next_beacon =
3071 cfg80211_beacon_dup(&params->beacon_after);
3072 if (!sdata->u.ap.next_beacon)
3073 return -ENOMEM;
3074
3075 err = ieee80211_assign_beacon(sdata, &params->beacon_csa);
3076 if (err < 0) {
3077 kfree(sdata->u.ap.next_beacon);
3078 return err;
3079 }
3080 break;
3081 case NL80211_IFTYPE_ADHOC:
3082 if (!sdata->vif.bss_conf.ibss_joined)
3083 return -EINVAL;
3084
3085 if (params->chandef.width != sdata->u.ibss.chandef.width)
3086 return -EINVAL;
3087
3088 switch (params->chandef.width) {
3089 case NL80211_CHAN_WIDTH_40:
3090 if (cfg80211_get_chandef_type(&params->chandef) !=
3091 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3092 return -EINVAL;
3093 case NL80211_CHAN_WIDTH_5:
3094 case NL80211_CHAN_WIDTH_10:
3095 case NL80211_CHAN_WIDTH_20_NOHT:
3096 case NL80211_CHAN_WIDTH_20:
3097 break;
3098 default:
3099 return -EINVAL;
3100 }
3101
3102 /* changes into another band are not supported */
3103 if (sdata->u.ibss.chandef.chan->band !=
3104 params->chandef.chan->band)
3105 return -EINVAL;
3106
3107 err = ieee80211_ibss_csa_beacon(sdata, params);
3108 if (err < 0)
3109 return err;
73da7d5b 3110 break;
c6da674a
CYY		 3111#ifdef CONFIG_MAC80211_MESH
3112 case NL80211_IFTYPE_MESH_POINT:
3113 ifmsh = &sdata->u.mesh;
3114
3115 if (!ifmsh->mesh_id)
3116 return -EINVAL;
3117
3118 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3119 return -EINVAL;
3120
3121 /* changes into another band are not supported */
3122 if (sdata->vif.bss_conf.chandef.chan->band !=
3123 params->chandef.chan->band)
3124 return -EINVAL;
3125
b8456a14 3126 err = ieee80211_mesh_csa_beacon(sdata, params, true);
c6da674a
CYY		 3127 if (err < 0)
3128 return err;
3129 break;
3130#endif
73da7d5b
SW		 3131 default:
3132 return -EOPNOTSUPP;
3133 }
3134
73da7d5b
SW		 3135 sdata->csa_radar_required = params->radar_required;
3136
3137 if (params->block_tx)
3138 ieee80211_stop_queues_by_reason(&local->hw,
3139 IEEE80211_MAX_QUEUE_MAP,
3140 IEEE80211_QUEUE_STOP_REASON_CSA);
3141
73da7d5b
SW		 3142 local->csa_chandef = params->chandef;
3143 sdata->vif.csa_active = true;
3144
3145 ieee80211_bss_info_change_notify(sdata, err);
3146 drv_channel_switch_beacon(sdata, &params->chandef);
3147
3148 return 0;
3149}
3150
71bbc994 3151static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 3152 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 3153 unsigned int wait, const u8 *buf, size_t len,
3154 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 3155{
71bbc994 3156 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3157 struct ieee80211_local *local = sdata->local;
3158 struct sk_buff *skb;
3159 struct sta_info *sta;
3160 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 3161 bool need_offchan = false;
e247bd90 3162 u32 flags;
2eb278e0 3163 int ret;
f7ca38df 3164
e247bd90
JB		 3165 if (dont_wait_for_ack)
3166 flags = IEEE80211_TX_CTL_NO_ACK;
3167 else
3168 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3169 IEEE80211_TX_CTL_REQ_TX_STATUS;
3170
aad14ceb
RM		 3171 if (no_cck)
3172 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3173
9d38d85d
JB		 3174 switch (sdata->vif.type) {
3175 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3176 if (!sdata->vif.bss_conf.ibss_joined)
3177 need_offchan = true;
3178 /* fall through */
3179#ifdef CONFIG_MAC80211_MESH
3180 case NL80211_IFTYPE_MESH_POINT:
3181 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3182 !sdata->u.mesh.mesh_id_len)
3183 need_offchan = true;
3184 /* fall through */
3185#endif
663fcafd
JB		 3186 case NL80211_IFTYPE_AP:
3187 case NL80211_IFTYPE_AP_VLAN:
3188 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3189 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3190 !ieee80211_vif_is_mesh(&sdata->vif) &&
3191 !rcu_access_pointer(sdata->bss->beacon))
3192 need_offchan = true;
663fcafd 3193 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3194 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3195 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3196 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3197 break;
3198 rcu_read_lock();
3199 sta = sta_info_get(sdata, mgmt->da);
3200 rcu_read_unlock();
3201 if (!sta)
3202 return -ENOLINK;
3203 break;
3204 case NL80211_IFTYPE_STATION:
663fcafd 3205 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3206 if (!sdata->u.mgd.associated)
3207 need_offchan = true;
9d38d85d 3208 break;
f142c6b9
JB		 3209 case NL80211_IFTYPE_P2P_DEVICE:
3210 need_offchan = true;
3211 break;
9d38d85d
JB		 3212 default:
3213 return -EOPNOTSUPP;
3214 }
3215
f7aeb6fb
AQ		 3216 /* configurations requiring offchan cannot work if no channel has been
3217 * specified
3218 */
3219 if (need_offchan && !chan)
3220 return -EINVAL;
3221
2eb278e0
JB		 3222 mutex_lock(&local->mtx);
3223
3224 /* Check if the operating channel is the requested channel */
3225 if (!need_offchan) {
55de908a
JB		 3226 struct ieee80211_chanctx_conf *chanctx_conf;
3227
3228 rcu_read_lock();
3229 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3230
f7aeb6fb
AQ		 3231 if (chanctx_conf) {
3232 need_offchan = chan && (chan != chanctx_conf->def.chan);
3233 } else if (!chan) {
3234 ret = -EINVAL;
3235 rcu_read_unlock();
3236 goto out_unlock;
3237 } else {
2eb278e0 3238 need_offchan = true;
f7aeb6fb 3239 }
55de908a 3240 rcu_read_unlock();
2eb278e0
JB		 3241 }
3242
3243 if (need_offchan && !offchan) {
3244 ret = -EBUSY;
3245 goto out_unlock;
3246 }
3247
9d38d85d 3248 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 3249 if (!skb) {
3250 ret = -ENOMEM;
3251 goto out_unlock;
3252 }
9d38d85d
JB		 3253 skb_reserve(skb, local->hw.extra_tx_headroom);
3254
3255 memcpy(skb_put(skb, len), buf, len);
3256
3257 IEEE80211_SKB_CB(skb)->flags = flags;
3258
3259 skb->dev = sdata->dev;
9d38d85d 3260
2eb278e0 3261 if (!need_offchan) {
7f9f78ab 3262 *cookie = (unsigned long) skb;
f30221e4 3263 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3264 ret = 0;
3265 goto out_unlock;
f30221e4
JB		 3266 }
3267
6c17b77b
SF		 3268 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3269 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3270 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3271 IEEE80211_SKB_CB(skb)->hw_queue =
3272 local->hw.offchannel_tx_hw_queue;
f30221e4 3273
2eb278e0 3274 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 3275 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 3276 wait, cookie, skb,
3277 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3278 if (ret)
3279 kfree_skb(skb);
3280 out_unlock:
3281 mutex_unlock(&local->mtx);
3282 return ret;
026331c4
JM		 3283}
3284
f30221e4 3285static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3286 struct wireless_dev *wdev,
f30221e4
JB		 3287 u64 cookie)
3288{
71bbc994 3289 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3290
2eb278e0 3291 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3292}
3293
7be5086d 3294static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3295 struct wireless_dev *wdev,
7be5086d
JB		 3296 u16 frame_type, bool reg)
3297{
3298 struct ieee80211_local *local = wiphy_priv(wiphy);
3299
6abe0563 3300 switch (frame_type) {
6abe0563
WH		 3301 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3302 if (reg)
3303 local->probe_req_reg++;
3304 else
3305 local->probe_req_reg--;
7be5086d 3306
35f5149e
FF		 3307 if (!local->open_count)
3308 break;
3309
6abe0563
WH		 3310 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3311 break;
3312 default:
3313 break;
3314 }
7be5086d
JB		 3315}
3316
15d96753
BR		 3317static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3318{
3319 struct ieee80211_local *local = wiphy_priv(wiphy);
3320
3321 if (local->started)
3322 return -EOPNOTSUPP;
3323
3324 return drv_set_antenna(local, tx_ant, rx_ant);
3325}
3326
3327static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3328{
3329 struct ieee80211_local *local = wiphy_priv(wiphy);
3330
3331 return drv_get_antenna(local, tx_ant, rx_ant);
3332}
3333
38c09159
JL		 3334static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
3335{
3336 struct ieee80211_local *local = wiphy_priv(wiphy);
3337
3338 return drv_set_ringparam(local, tx, rx);
3339}
3340
3341static void ieee80211_get_ringparam(struct wiphy *wiphy,
3342 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
3343{
3344 struct ieee80211_local *local = wiphy_priv(wiphy);
3345
3346 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
3347}
3348
c68f4b89
JB		 3349static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3350 struct net_device *dev,
3351 struct cfg80211_gtk_rekey_data *data)
3352{
3353 struct ieee80211_local *local = wiphy_priv(wiphy);
3354 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3355
3356 if (!local->ops->set_rekey_data)
3357 return -EOPNOTSUPP;
3358
3359 drv_set_rekey_data(local, sdata, data);
3360
3361 return 0;
3362}
3363
dfe018bf
AN		 3364static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
3365{
3366 u8 *pos = (void *)skb_put(skb, 7);
3367
3368 *pos++ = WLAN_EID_EXT_CAPABILITY;
3369 *pos++ = 5; /* len */
3370 *pos++ = 0x0;
3371 *pos++ = 0x0;
3372 *pos++ = 0x0;
3373 *pos++ = 0x0;
3374 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
3375}
3376
3377static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
3378{
3379 struct ieee80211_local *local = sdata->local;
3380 u16 capab;
3381
3382 capab = 0;
55de908a 3383 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 3384 return capab;
3385
3386 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3387 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3388 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3389 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3390
3391 return capab;
3392}
3393
3394static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3395 u8 *peer, u8 *bssid)
3396{
3397 struct ieee80211_tdls_lnkie *lnkid;
3398
3399 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3400
3401 lnkid->ie_type = WLAN_EID_LINK_ID;
3402 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3403
3404 memcpy(lnkid->bssid, bssid, ETH_ALEN);
3405 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3406 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3407}
3408
3409static int
3410ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3411 u8 *peer, u8 action_code, u8 dialog_token,
3412 u16 status_code, struct sk_buff *skb)
3413{
3414 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3415 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3416 struct ieee80211_tdls_data *tf;
3417
3418 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3419
3420 memcpy(tf->da, peer, ETH_ALEN);
3421 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3422 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3423 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3424
3425 switch (action_code) {
3426 case WLAN_TDLS_SETUP_REQUEST:
3427 tf->category = WLAN_CATEGORY_TDLS;
3428 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3429
3430 skb_put(skb, sizeof(tf->u.setup_req));
3431 tf->u.setup_req.dialog_token = dialog_token;
3432 tf->u.setup_req.capability =
3433 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3434
55de908a
JB		 3435 ieee80211_add_srates_ie(sdata, skb, false, band);
3436 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3437 ieee80211_tdls_add_ext_capab(skb);
3438 break;
3439 case WLAN_TDLS_SETUP_RESPONSE:
3440 tf->category = WLAN_CATEGORY_TDLS;
3441 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3442
3443 skb_put(skb, sizeof(tf->u.setup_resp));
3444 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3445 tf->u.setup_resp.dialog_token = dialog_token;
3446 tf->u.setup_resp.capability =
3447 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3448
55de908a
JB		 3449 ieee80211_add_srates_ie(sdata, skb, false, band);
3450 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3451 ieee80211_tdls_add_ext_capab(skb);
3452 break;
3453 case WLAN_TDLS_SETUP_CONFIRM:
3454 tf->category = WLAN_CATEGORY_TDLS;
3455 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3456
3457 skb_put(skb, sizeof(tf->u.setup_cfm));
3458 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3459 tf->u.setup_cfm.dialog_token = dialog_token;
3460 break;
3461 case WLAN_TDLS_TEARDOWN:
3462 tf->category = WLAN_CATEGORY_TDLS;
3463 tf->action_code = WLAN_TDLS_TEARDOWN;
3464
3465 skb_put(skb, sizeof(tf->u.teardown));
3466 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3467 break;
3468 case WLAN_TDLS_DISCOVERY_REQUEST:
3469 tf->category = WLAN_CATEGORY_TDLS;
3470 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3471
3472 skb_put(skb, sizeof(tf->u.discover_req));
3473 tf->u.discover_req.dialog_token = dialog_token;
3474 break;
3475 default:
3476 return -EINVAL;
3477 }
3478
3479 return 0;
3480}
3481
3482static int
3483ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3484 u8 *peer, u8 action_code, u8 dialog_token,
3485 u16 status_code, struct sk_buff *skb)
3486{
3487 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3488 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3489 struct ieee80211_mgmt *mgmt;
3490
3491 mgmt = (void *)skb_put(skb, 24);
3492 memset(mgmt, 0, 24);
3493 memcpy(mgmt->da, peer, ETH_ALEN);
3494 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3495 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3496
3497 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3498 IEEE80211_STYPE_ACTION);
3499
3500 switch (action_code) {
3501 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3502 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3503 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3504 mgmt->u.action.u.tdls_discover_resp.action_code =
3505 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3506 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3507 dialog_token;
3508 mgmt->u.action.u.tdls_discover_resp.capability =
3509 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3510
55de908a
JB		 3511 ieee80211_add_srates_ie(sdata, skb, false, band);
3512 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3513 ieee80211_tdls_add_ext_capab(skb);
3514 break;
3515 default:
3516 return -EINVAL;
3517 }
3518
3519 return 0;
3520}
3521
3522static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3523 u8 *peer, u8 action_code, u8 dialog_token,
3524 u16 status_code, const u8 *extra_ies,
3525 size_t extra_ies_len)
3526{
3527 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3528 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3529 struct sk_buff *skb = NULL;
3530 bool send_direct;
3531 int ret;
3532
3533 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3534 return -ENOTSUPP;
3535
3536 /* make sure we are in managed mode, and associated */
3537 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3538 !sdata->u.mgd.associated)
3539 return -EINVAL;
3540
bdcbd8e0
JB		 3541 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3542 action_code, peer);
dfe018bf
AN		 3543
3544 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3545 max(sizeof(struct ieee80211_mgmt),
3546 sizeof(struct ieee80211_tdls_data)) +
3547 50 + /* supported rates */
3548 7 + /* ext capab */
3549 extra_ies_len +
3550 sizeof(struct ieee80211_tdls_lnkie));
3551 if (!skb)
3552 return -ENOMEM;
3553
dfe018bf
AN		 3554 skb_reserve(skb, local->hw.extra_tx_headroom);
3555
3556 switch (action_code) {
3557 case WLAN_TDLS_SETUP_REQUEST:
3558 case WLAN_TDLS_SETUP_RESPONSE:
3559 case WLAN_TDLS_SETUP_CONFIRM:
3560 case WLAN_TDLS_TEARDOWN:
3561 case WLAN_TDLS_DISCOVERY_REQUEST:
3562 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3563 action_code, dialog_token,
3564 status_code, skb);
3565 send_direct = false;
3566 break;
3567 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3568 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3569 dialog_token, status_code,
3570 skb);
3571 send_direct = true;
3572 break;
3573 default:
3574 ret = -ENOTSUPP;
3575 break;
3576 }
3577
3578 if (ret < 0)
3579 goto fail;
3580
3581 if (extra_ies_len)
3582 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3583
3584 /* the TDLS link IE is always added last */
3585 switch (action_code) {
3586 case WLAN_TDLS_SETUP_REQUEST:
3587 case WLAN_TDLS_SETUP_CONFIRM:
3588 case WLAN_TDLS_TEARDOWN:
3589 case WLAN_TDLS_DISCOVERY_REQUEST:
3590 /* we are the initiator */
3591 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3592 sdata->u.mgd.bssid);
3593 break;
3594 case WLAN_TDLS_SETUP_RESPONSE:
3595 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3596 /* we are the responder */
3597 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3598 sdata->u.mgd.bssid);
3599 break;
3600 default:
3601 ret = -ENOTSUPP;
3602 goto fail;
3603 }
3604
3605 if (send_direct) {
3606 ieee80211_tx_skb(sdata, skb);
3607 return 0;
3608 }
3609
3610 /*
3611 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3612 * we should default to AC_VI.
3613 */
3614 switch (action_code) {
3615 case WLAN_TDLS_SETUP_REQUEST:
3616 case WLAN_TDLS_SETUP_RESPONSE:
3617 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3618 skb->priority = 2;
3619 break;
3620 default:
3621 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3622 skb->priority = 5;
3623 break;
3624 }
3625
3626 /* disable bottom halves when entering the Tx path */
3627 local_bh_disable();
3628 ret = ieee80211_subif_start_xmit(skb, dev);
3629 local_bh_enable();
3630
3631 return ret;
3632
3633fail:
3634 dev_kfree_skb(skb);
3635 return ret;
3636}
3637
3638static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3639 u8 *peer, enum nl80211_tdls_operation oper)
3640{
941c93cd 3641 struct sta_info *sta;
dfe018bf
AN		 3642 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3643
3644 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3645 return -ENOTSUPP;
3646
3647 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3648 return -EINVAL;
3649
bdcbd8e0 3650 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3651
3652 switch (oper) {
3653 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3654 rcu_read_lock();
3655 sta = sta_info_get(sdata, peer);
3656 if (!sta) {
3657 rcu_read_unlock();
3658 return -ENOLINK;
3659 }
3660
c2c98fde 3661 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3662 rcu_read_unlock();
dfe018bf
AN		 3663 break;
3664 case NL80211_TDLS_DISABLE_LINK:
3665 return sta_info_destroy_addr(sdata, peer);
3666 case NL80211_TDLS_TEARDOWN:
3667 case NL80211_TDLS_SETUP:
3668 case NL80211_TDLS_DISCOVERY_REQ:
3669 /* We don't support in-driver setup/teardown/discovery */
3670 return -ENOTSUPP;
3671 default:
3672 return -ENOTSUPP;
3673 }
3674
3675 return 0;
3676}
3677
06500736
JB		 3678static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3679 const u8 *peer, u64 *cookie)
3680{
3681 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3682 struct ieee80211_local *local = sdata->local;
3683 struct ieee80211_qos_hdr *nullfunc;
3684 struct sk_buff *skb;
3685 int size = sizeof(*nullfunc);
3686 __le16 fc;
3687 bool qos;
3688 struct ieee80211_tx_info *info;
3689 struct sta_info *sta;
55de908a
JB		 3690 struct ieee80211_chanctx_conf *chanctx_conf;
3691 enum ieee80211_band band;
06500736
JB		 3692
3693 rcu_read_lock();
55de908a
JB		 3694 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3695 if (WARN_ON(!chanctx_conf)) {
3696 rcu_read_unlock();
3697 return -EINVAL;
3698 }
4bf88530 3699 band = chanctx_conf->def.chan->band;
03bb7f42 3700 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3701 if (sta) {
06500736 3702 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3703 } else {
3704 rcu_read_unlock();
06500736 3705 return -ENOLINK;
b4487c2d 3706 }
06500736
JB		 3707
3708 if (qos) {
3709 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3710 IEEE80211_STYPE_QOS_NULLFUNC |
3711 IEEE80211_FCTL_FROMDS);
3712 } else {
3713 size -= 2;
3714 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3715 IEEE80211_STYPE_NULLFUNC |
3716 IEEE80211_FCTL_FROMDS);
3717 }
3718
3719 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3720 if (!skb) {
3721 rcu_read_unlock();
06500736 3722 return -ENOMEM;
55de908a 3723 }
06500736
JB		 3724
3725 skb->dev = dev;
3726
3727 skb_reserve(skb, local->hw.extra_tx_headroom);
3728
3729 nullfunc = (void *) skb_put(skb, size);
3730 nullfunc->frame_control = fc;
3731 nullfunc->duration_id = 0;
3732 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3733 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3734 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3735 nullfunc->seq_ctrl = 0;
3736
3737 info = IEEE80211_SKB_CB(skb);
3738
3739 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3740 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3741
3742 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3743 skb->priority = 7;
3744 if (qos)
3745 nullfunc->qos_ctrl = cpu_to_le16(7);
3746
3747 local_bh_disable();
55de908a 3748 ieee80211_xmit(sdata, skb, band);
06500736 3749 local_bh_enable();
55de908a 3750 rcu_read_unlock();
06500736
JB		 3751
3752 *cookie = (unsigned long) skb;
3753 return 0;
3754}
3755
683b6d3b
JB		 3756static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3757 struct wireless_dev *wdev,
3758 struct cfg80211_chan_def *chandef)
5b7ccaf3 3759{
55de908a 3760 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3761 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3762 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3763 int ret = -ENODATA;
55de908a
JB		 3764
3765 rcu_read_lock();
feda3027
JB		 3766 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3767 if (chanctx_conf) {
3768 *chandef = chanctx_conf->def;
3769 ret = 0;
3770 } else if (local->open_count > 0 &&
3771 local->open_count == local->monitors &&
3772 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3773 if (local->use_chanctx)
3774 *chandef = local->monitor_chandef;
3775 else
675a0b04 3776 *chandef = local->_oper_chandef;
683b6d3b 3777 ret = 0;
55de908a
JB		 3778 }
3779 rcu_read_unlock();
5b7ccaf3 3780
683b6d3b 3781 return ret;
5b7ccaf3
JB		 3782}
3783
6d52563f
JB		 3784#ifdef CONFIG_PM
3785static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3786{
3787 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3788}
3789#endif
3790
f0706e82
JB		 3791struct cfg80211_ops mac80211_config_ops = {
3792 .add_virtual_intf = ieee80211_add_iface,
3793 .del_virtual_intf = ieee80211_del_iface,
42613db7 3794 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3795 .start_p2p_device = ieee80211_start_p2p_device,
3796 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3797 .add_key = ieee80211_add_key,
3798 .del_key = ieee80211_del_key,
62da92fb 3799 .get_key = ieee80211_get_key,
e8cbb4cb 3800 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3801 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3802 .start_ap = ieee80211_start_ap,
3803 .change_beacon = ieee80211_change_beacon,
3804 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3805 .add_station = ieee80211_add_station,
3806 .del_station = ieee80211_del_station,
3807 .change_station = ieee80211_change_station,
7bbdd2d9 3808 .get_station = ieee80211_get_station,
c5dd9c2b 3809 .dump_station = ieee80211_dump_station,
1289723e 3810 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3811#ifdef CONFIG_MAC80211_MESH
3812 .add_mpath = ieee80211_add_mpath,
3813 .del_mpath = ieee80211_del_mpath,
3814 .change_mpath = ieee80211_change_mpath,
3815 .get_mpath = ieee80211_get_mpath,
3816 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3817 .update_mesh_config = ieee80211_update_mesh_config,
3818 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3819 .join_mesh = ieee80211_join_mesh,
3820 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3821#endif
9f1ba906 3822 .change_bss = ieee80211_change_bss,
31888487 3823 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3824 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3825 .suspend = ieee80211_suspend,
3826 .resume = ieee80211_resume,
2a519311 3827 .scan = ieee80211_scan,
79f460ca
LC		 3828 .sched_scan_start = ieee80211_sched_scan_start,
3829 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3830 .auth = ieee80211_auth,
3831 .assoc = ieee80211_assoc,
3832 .deauth = ieee80211_deauth,
3833 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3834 .join_ibss = ieee80211_join_ibss,
3835 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3836 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3837 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3838 .set_tx_power = ieee80211_set_tx_power,
3839 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3840 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3841 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3842 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3843 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3844 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3845 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3846 .remain_on_channel = ieee80211_remain_on_channel,
3847 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3848 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3849 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3850 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3851 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3852 .set_antenna = ieee80211_set_antenna,
3853 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3854 .set_ringparam = ieee80211_set_ringparam,
3855 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3856 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3857 .tdls_oper = ieee80211_tdls_oper,
3858 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3859 .probe_client = ieee80211_probe_client,
b53be792 3860 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3861#ifdef CONFIG_PM
3862 .set_wakeup = ieee80211_set_wakeup,
3863#endif
b1ab7925
BG		 3864 .get_et_sset_count = ieee80211_get_et_sset_count,
3865 .get_et_stats = ieee80211_get_et_stats,
3866 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3867 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3868 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3869 .channel_switch = ieee80211_channel_switch,
f0706e82 3870};
Linux 6.x block layer and io_uring tree(s)