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mac80211: don't cancel csa finalize work within stop_ap
[linux-block.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
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);
2475b1cc 136 struct ieee80211_local *local = sdata->local;
e8cbb4cb 137 struct sta_info *sta = NULL;
2475b1cc 138 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 139 struct ieee80211_key *key;
3b96766f 140 int err;
e8cbb4cb 141
26a58456 142 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 143 return -ENETDOWN;
144
97359d12 145 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 146 switch (params->cipher) {
147 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 148 case WLAN_CIPHER_SUITE_TKIP:
97359d12 149 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 150 if (IS_ERR(local->wep_tx_tfm))
97359d12 151 return -EINVAL;
3cfcf6ac 152 break;
2475b1cc
MS		 153 case WLAN_CIPHER_SUITE_CCMP:
154 case WLAN_CIPHER_SUITE_AES_CMAC:
155 case WLAN_CIPHER_SUITE_GCMP:
156 break;
e8cbb4cb 157 default:
2475b1cc 158 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 159 break;
e8cbb4cb
JB		 160 }
161
97359d12 162 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 163 params->key, params->seq_len, params->seq,
164 cs);
1ac62ba7
BH		 165 if (IS_ERR(key))
166 return PTR_ERR(key);
db4d1169 167
e31b8213
JB		 168 if (pairwise)
169 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
170
2475b1cc 171 mutex_lock(&local->sta_mtx);
3b96766f 172
e8cbb4cb 173 if (mac_addr) {
ff973af7
TP		 174 if (ieee80211_vif_is_mesh(&sdata->vif))
175 sta = sta_info_get(sdata, mac_addr);
176 else
177 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 178 /*
179 * The ASSOC test makes sure the driver is ready to
180 * receive the key. When wpa_supplicant has roamed
181 * using FT, it attempts to set the key before
182 * association has completed, this rejects that attempt
183 * so it will set the key again after assocation.
184 *
185 * TODO: accept the key if we have a station entry and
186 * add it to the device after the station.
187 */
188 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 189 ieee80211_key_free_unused(key);
3b96766f
JB		 190 err = -ENOENT;
191 goto out_unlock;
db4d1169 192 }
e8cbb4cb
JB		 193 }
194
e548c49e
JB		 195 switch (sdata->vif.type) {
196 case NL80211_IFTYPE_STATION:
197 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
198 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
199 break;
200 case NL80211_IFTYPE_AP:
201 case NL80211_IFTYPE_AP_VLAN:
202 /* Keys without a station are used for TX only */
203 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
204 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
205 break;
206 case NL80211_IFTYPE_ADHOC:
207 /* no MFP (yet) */
208 break;
209 case NL80211_IFTYPE_MESH_POINT:
210#ifdef CONFIG_MAC80211_MESH
211 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
212 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
213 break;
214#endif
215 case NL80211_IFTYPE_WDS:
216 case NL80211_IFTYPE_MONITOR:
217 case NL80211_IFTYPE_P2P_DEVICE:
218 case NL80211_IFTYPE_UNSPECIFIED:
219 case NUM_NL80211_IFTYPES:
220 case NL80211_IFTYPE_P2P_CLIENT:
221 case NL80211_IFTYPE_P2P_GO:
222 /* shouldn't happen */
223 WARN_ON_ONCE(1);
224 break;
225 }
226
2475b1cc
MS		 227 if (sta)
228 sta->cipher_scheme = cs;
229
3ffc2a90 230 err = ieee80211_key_link(key, sdata, sta);
db4d1169 231
3b96766f 232 out_unlock:
2475b1cc 233 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 234
235 return err;
e8cbb4cb
JB		 236}
237
238static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 239 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 240{
5c0c3641
JB		 241 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
242 struct ieee80211_local *local = sdata->local;
e8cbb4cb 243 struct sta_info *sta;
5c0c3641 244 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 245 int ret;
246
5c0c3641
JB		 247 mutex_lock(&local->sta_mtx);
248 mutex_lock(&local->key_mtx);
3b96766f 249
e8cbb4cb 250 if (mac_addr) {
3b96766f
JB		 251 ret = -ENOENT;
252
0e5ded5a 253 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 254 if (!sta)
3b96766f 255 goto out_unlock;
e8cbb4cb 256
5c0c3641 257 if (pairwise)
2475b1cc 258 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 259 else
40b275b6 260 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 261 } else
40b275b6 262 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 263
5c0c3641 264 if (!key) {
3b96766f
JB		 265 ret = -ENOENT;
266 goto out_unlock;
267 }
e8cbb4cb 268
3b8d9c29 269 ieee80211_key_free(key, true);
e8cbb4cb 270
3b96766f
JB		 271 ret = 0;
272 out_unlock:
5c0c3641
JB		 273 mutex_unlock(&local->key_mtx);
274 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 275
276 return ret;
e8cbb4cb
JB		 277}
278
62da92fb 279static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 280 u8 key_idx, bool pairwise, const u8 *mac_addr,
281 void *cookie,
62da92fb
JB		 282 void (*callback)(void *cookie,
283 struct key_params *params))
284{
14db74bc 285 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 286 struct sta_info *sta = NULL;
287 u8 seq[6] = {0};
288 struct key_params params;
e31b8213 289 struct ieee80211_key *key = NULL;
aba83a0b 290 u64 pn64;
62da92fb
JB		 291 u32 iv32;
292 u16 iv16;
293 int err = -ENOENT;
294
14db74bc
JB		 295 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
296
3b96766f
JB		 297 rcu_read_lock();
298
62da92fb 299 if (mac_addr) {
0e5ded5a 300 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 301 if (!sta)
302 goto out;
303
e31b8213 304 if (pairwise)
2475b1cc 305 key = rcu_dereference(sta->ptk[key_idx]);
e31b8213 306 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 307 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 308 } else
a3836e02 309 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 310
311 if (!key)
312 goto out;
313
314 memset(&params, 0, sizeof(params));
315
97359d12 316 params.cipher = key->conf.cipher;
62da92fb 317
97359d12
JB		 318 switch (key->conf.cipher) {
319 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 320 iv32 = key->u.tkip.tx.iv32;
321 iv16 = key->u.tkip.tx.iv16;
62da92fb 322
24487981
JB		 323 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
324 drv_get_tkip_seq(sdata->local,
325 key->conf.hw_key_idx,
326 &iv32, &iv16);
62da92fb
JB		 327
328 seq[0] = iv16 & 0xff;
329 seq[1] = (iv16 >> 8) & 0xff;
330 seq[2] = iv32 & 0xff;
331 seq[3] = (iv32 >> 8) & 0xff;
332 seq[4] = (iv32 >> 16) & 0xff;
333 seq[5] = (iv32 >> 24) & 0xff;
334 params.seq = seq;
335 params.seq_len = 6;
336 break;
97359d12 337 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 338 pn64 = atomic64_read(&key->u.ccmp.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;
62da92fb
JB		 345 params.seq = seq;
346 params.seq_len = 6;
347 break;
97359d12 348 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 349 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
350 seq[0] = pn64;
351 seq[1] = pn64 >> 8;
352 seq[2] = pn64 >> 16;
353 seq[3] = pn64 >> 24;
354 seq[4] = pn64 >> 32;
355 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 356 params.seq = seq;
357 params.seq_len = 6;
358 break;
62da92fb
JB		 359 }
360
361 params.key = key->conf.key;
362 params.key_len = key->conf.keylen;
363
364 callback(cookie, &params);
365 err = 0;
366
367 out:
3b96766f 368 rcu_read_unlock();
62da92fb
JB		 369 return err;
370}
371
e8cbb4cb
JB		 372static int ieee80211_config_default_key(struct wiphy *wiphy,
373 struct net_device *dev,
dbd2fd65
JB		 374 u8 key_idx, bool uni,
375 bool multi)
e8cbb4cb 376{
ad0e2b5a 377 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 378
f7e0104c 379 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 380
381 return 0;
382}
383
3cfcf6ac
JM		 384static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
385 struct net_device *dev,
386 u8 key_idx)
387{
66c52421 388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 389
3cfcf6ac
JM		 390 ieee80211_set_default_mgmt_key(sdata, key_idx);
391
3cfcf6ac
JM		 392 return 0;
393}
394
6b62bf32
TP		 395void sta_set_rate_info_tx(struct sta_info *sta,
396 const struct ieee80211_tx_rate *rate,
397 struct rate_info *rinfo)
398{
399 rinfo->flags = 0;
8bc83c24 400 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 401 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 402 rinfo->mcs = rate->idx;
403 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
404 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
405 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
406 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
407 } else {
408 struct ieee80211_supported_band *sband;
2103dec1
SW		 409 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
410 u16 brate;
411
8bc83c24
JB		 412 sband = sta->local->hw.wiphy->bands[
413 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 414 brate = sband->bitrates[rate->idx].bitrate;
415 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 416 }
6b62bf32
TP		 417 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
418 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 419 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
420 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
421 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
422 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 423 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
424 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 425}
426
003e676a
S		 427void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
428{
429 rinfo->flags = 0;
430
431 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
432 rinfo->flags |= RATE_INFO_FLAGS_MCS;
433 rinfo->mcs = sta->last_rx_rate_idx;
434 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
435 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
436 rinfo->nss = sta->last_rx_rate_vht_nss;
437 rinfo->mcs = sta->last_rx_rate_idx;
438 } else {
439 struct ieee80211_supported_band *sband;
2103dec1
SW		 440 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
441 u16 brate;
003e676a
S		 442
443 sband = sta->local->hw.wiphy->bands[
444 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 445 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
446 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 447 }
448
449 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
450 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
451 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
452 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
453 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
454 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
455 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
456 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
457 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
458 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
459}
460
c5dd9c2b
LCC		 461static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
462{
d0709a65 463 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 464 struct ieee80211_local *local = sdata->local;
ebe27c91 465 struct timespec uptime;
560d2682 466 u64 packets = 0;
ef0621e8 467 int i, ac;
c5dd9c2b 468
f5ea9120
JB		 469 sinfo->generation = sdata->local->sta_generation;
470
c5dd9c2b 471 sinfo->filled = STATION_INFO_INACTIVE_TIME |
560d2682
JB		 472 STATION_INFO_RX_BYTES64 |
473 STATION_INFO_TX_BYTES64 |
98c8a60a
JM		 474 STATION_INFO_RX_PACKETS |
475 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 476 STATION_INFO_TX_RETRIES |
477 STATION_INFO_TX_FAILED |
5a5c731a 478 STATION_INFO_TX_BITRATE |
3af6334c 479 STATION_INFO_RX_BITRATE |
f4263c98 480 STATION_INFO_RX_DROP_MISC |
ebe27c91 481 STATION_INFO_BSS_PARAM |
7a724767 482 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 483 STATION_INFO_STA_FLAGS |
484 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 485
486 do_posix_clock_monotonic_gettime(&uptime);
487 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 488
489 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
560d2682
JB		 490 sinfo->tx_bytes = 0;
491 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
492 sinfo->tx_bytes += sta->tx_bytes[ac];
493 packets += sta->tx_packets[ac];
494 }
495 sinfo->tx_packets = packets;
c5dd9c2b 496 sinfo->rx_bytes = sta->rx_bytes;
98c8a60a 497 sinfo->rx_packets = sta->rx_packets;
b206b4ef
BR		 498 sinfo->tx_retries = sta->tx_retry_count;
499 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 500 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 501 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 502
19deffbe
JL		 503 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
504 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 505 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 506 if (!local->ops->get_rssi ||
507 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
508 sinfo->signal = (s8)sta->last_signal;
541a45a1 509 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab 510 }
ef0621e8
FF		 511 if (sta->chains) {
512 sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
513 STATION_INFO_CHAIN_SIGNAL_AVG;
514
515 sinfo->chains = sta->chains;
516 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
517 sinfo->chain_signal[i] = sta->chain_signal_last[i];
518 sinfo->chain_signal_avg[i] =
519 (s8) -ewma_read(&sta->chain_signal_avg[i]);
520 }
521 }
420e7fab 522
6b62bf32 523 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
003e676a 524 sta_set_rate_info_rx(sta, &sinfo->rxrate);
420e7fab 525
902acc78 526 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 527#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 528 sinfo->filled |= STATION_INFO_LLID |
529 STATION_INFO_PLID |
3f52b7e3
MP		 530 STATION_INFO_PLINK_STATE |
531 STATION_INFO_LOCAL_PM |
532 STATION_INFO_PEER_PM |
533 STATION_INFO_NONPEER_PM;
c5dd9c2b 534
6f101ef0
CYY		 535 sinfo->llid = sta->llid;
536 sinfo->plid = sta->plid;
c5dd9c2b 537 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 538 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
539 sinfo->filled |= STATION_INFO_T_OFFSET;
540 sinfo->t_offset = sta->t_offset;
541 }
3f52b7e3
MP		 542 sinfo->local_pm = sta->local_pm;
543 sinfo->peer_pm = sta->peer_pm;
544 sinfo->nonpeer_pm = sta->nonpeer_pm;
c5dd9c2b 545#endif
902acc78 546 }
f4263c98
PS		 547
548 sinfo->bss_param.flags = 0;
549 if (sdata->vif.bss_conf.use_cts_prot)
550 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
551 if (sdata->vif.bss_conf.use_short_preamble)
552 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
553 if (sdata->vif.bss_conf.use_short_slot)
554 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
555 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
556 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 557
558 sinfo->sta_flags.set = 0;
559 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
560 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
561 BIT(NL80211_STA_FLAG_WME) |
562 BIT(NL80211_STA_FLAG_MFP) |
e4121562 563 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
d582cffb 564 BIT(NL80211_STA_FLAG_ASSOCIATED) |
e4121562 565 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 566 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
567 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
568 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
569 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
570 if (test_sta_flag(sta, WLAN_STA_WME))
571 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
572 if (test_sta_flag(sta, WLAN_STA_MFP))
573 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
574 if (test_sta_flag(sta, WLAN_STA_AUTH))
575 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
d582cffb
JB		 576 if (test_sta_flag(sta, WLAN_STA_ASSOC))
577 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
e4121562
HS		 578 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
579 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 580}
581
b1ab7925
BG		 582static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
583 "rx_packets", "rx_bytes", "wep_weak_iv_count",
584 "rx_duplicates", "rx_fragments", "rx_dropped",
585 "tx_packets", "tx_bytes", "tx_fragments",
586 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 587 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
588 "channel", "noise", "ch_time", "ch_time_busy",
589 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 590};
591#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
592
593static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
594 struct net_device *dev,
595 int sset)
596{
e352114f
BG		 597 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
598 int rv = 0;
599
b1ab7925 600 if (sset == ETH_SS_STATS)
e352114f
BG		 601 rv += STA_STATS_LEN;
602
603 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 604
e352114f
BG		 605 if (rv == 0)
606 return -EOPNOTSUPP;
607 return rv;
b1ab7925
BG		 608}
609
610static void ieee80211_get_et_stats(struct wiphy *wiphy,
611 struct net_device *dev,
612 struct ethtool_stats *stats,
613 u64 *data)
614{
615 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 616 struct ieee80211_chanctx_conf *chanctx_conf;
617 struct ieee80211_channel *channel;
b1ab7925
BG		 618 struct sta_info *sta;
619 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 620 struct station_info sinfo;
621 struct survey_info survey;
622 int i, q;
623#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 624
625 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
626
627#define ADD_STA_STATS(sta) \
628 do { \
629 data[i++] += sta->rx_packets; \
630 data[i++] += sta->rx_bytes; \
631 data[i++] += sta->wep_weak_iv_count; \
632 data[i++] += sta->num_duplicates; \
633 data[i++] += sta->rx_fragments; \
634 data[i++] += sta->rx_dropped; \
635 \
560d2682
JB		 636 data[i++] += sinfo.tx_packets; \
637 data[i++] += sinfo.tx_bytes; \
b1ab7925
BG		 638 data[i++] += sta->tx_fragments; \
639 data[i++] += sta->tx_filtered_count; \
640 data[i++] += sta->tx_retry_failed; \
641 data[i++] += sta->tx_retry_count; \
642 data[i++] += sta->beacon_loss_count; \
643 } while (0)
644
645 /* For Managed stations, find the single station based on BSSID
646 * and use that. For interface types, iterate through all available
647 * stations and add stats for any station that is assigned to this
648 * network device.
649 */
650
66572cfc 651 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 652
653 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
654 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 655
656 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
657 goto do_survey;
658
560d2682
JB		 659 sinfo.filled = 0;
660 sta_set_sinfo(sta, &sinfo);
661
3073a7c2
BG		 662 i = 0;
663 ADD_STA_STATS(sta);
664
665 data[i++] = sta->sta_state;
666
3073a7c2 667
5204267d 668 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 669 data[i] = 100000 *
670 cfg80211_calculate_bitrate(&sinfo.txrate);
671 i++;
5204267d 672 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 673 data[i] = 100000 *
674 cfg80211_calculate_bitrate(&sinfo.rxrate);
675 i++;
676
5204267d 677 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 678 data[i] = (u8)sinfo.signal_avg;
679 i++;
b1ab7925 680 } else {
66572cfc 681 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 682 /* Make sure this station belongs to the proper dev */
683 if (sta->sdata->dev != dev)
684 continue;
685
e13bae4f
JB		 686 sinfo.filled = 0;
687 sta_set_sinfo(sta, &sinfo);
b1ab7925
BG		 688 i = 0;
689 ADD_STA_STATS(sta);
b1ab7925
BG		 690 }
691 }
692
3073a7c2
BG		 693do_survey:
694 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
695 /* Get survey stats for current channel */
55de908a 696 survey.filled = 0;
3073a7c2 697
55de908a
JB		 698 rcu_read_lock();
699 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
700 if (chanctx_conf)
4bf88530 701 channel = chanctx_conf->def.chan;
55de908a
JB		 702 else
703 channel = NULL;
704 rcu_read_unlock();
705
706 if (channel) {
707 q = 0;
708 do {
709 survey.filled = 0;
710 if (drv_get_survey(local, q, &survey) != 0) {
711 survey.filled = 0;
712 break;
713 }
714 q++;
715 } while (channel != survey.channel);
3073a7c2
BG		 716 }
717
718 if (survey.filled)
719 data[i++] = survey.channel->center_freq;
720 else
721 data[i++] = 0;
722 if (survey.filled & SURVEY_INFO_NOISE_DBM)
723 data[i++] = (u8)survey.noise;
724 else
725 data[i++] = -1LL;
726 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
727 data[i++] = survey.channel_time;
728 else
729 data[i++] = -1LL;
730 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
731 data[i++] = survey.channel_time_busy;
732 else
733 data[i++] = -1LL;
734 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
735 data[i++] = survey.channel_time_ext_busy;
736 else
737 data[i++] = -1LL;
738 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
739 data[i++] = survey.channel_time_rx;
740 else
741 data[i++] = -1LL;
742 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
743 data[i++] = survey.channel_time_tx;
744 else
745 data[i++] = -1LL;
746
66572cfc 747 mutex_unlock(&local->sta_mtx);
e352114f 748
3073a7c2
BG		 749 if (WARN_ON(i != STA_STATS_LEN))
750 return;
751
e352114f 752 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 753}
754
755static void ieee80211_get_et_strings(struct wiphy *wiphy,
756 struct net_device *dev,
757 u32 sset, u8 *data)
758{
e352114f
BG		 759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
760 int sz_sta_stats = 0;
761
b1ab7925 762 if (sset == ETH_SS_STATS) {
e352114f 763 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
bd500af2 764 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
b1ab7925 765 }
e352114f 766 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 767}
c5dd9c2b
LCC		 768
769static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
770 int idx, u8 *mac, struct station_info *sinfo)
771{
3b53fde8 772 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 773 struct ieee80211_local *local = sdata->local;
c5dd9c2b 774 struct sta_info *sta;
d0709a65
JB		 775 int ret = -ENOENT;
776
66572cfc 777 mutex_lock(&local->sta_mtx);
c5dd9c2b 778
3b53fde8 779 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 780 if (sta) {
781 ret = 0;
17741cdc 782 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 783 sta_set_sinfo(sta, sinfo);
784 }
c5dd9c2b 785
66572cfc 786 mutex_unlock(&local->sta_mtx);
c5dd9c2b 787
d0709a65 788 return ret;
c5dd9c2b
LCC		 789}
790
1289723e
HS		 791static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
792 int idx, struct survey_info *survey)
793{
794 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
795
1289723e
HS		 796 return drv_get_survey(local, idx, survey);
797}
798
7bbdd2d9 799static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 800 u8 *mac, struct station_info *sinfo)
7bbdd2d9 801{
abe60632 802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 803 struct ieee80211_local *local = sdata->local;
7bbdd2d9 804 struct sta_info *sta;
d0709a65 805 int ret = -ENOENT;
7bbdd2d9 806
66572cfc 807 mutex_lock(&local->sta_mtx);
7bbdd2d9 808
0e5ded5a 809 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 810 if (sta) {
811 ret = 0;
812 sta_set_sinfo(sta, sinfo);
813 }
814
66572cfc 815 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 816
817 return ret;
7bbdd2d9
JB		 818}
819
55de908a 820static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 821 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 822{
823 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 824 struct ieee80211_sub_if_data *sdata;
825 int ret = 0;
3d9e6e12 826
4bf88530 827 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 828 return 0;
3d9e6e12 829
55de908a
JB		 830 mutex_lock(&local->iflist_mtx);
831 if (local->use_chanctx) {
832 sdata = rcu_dereference_protected(
833 local->monitor_sdata,
834 lockdep_is_held(&local->iflist_mtx));
835 if (sdata) {
836 ieee80211_vif_release_channel(sdata);
4bf88530 837 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 838 IEEE80211_CHANCTX_EXCLUSIVE);
839 }
840 } else if (local->open_count == local->monitors) {
675a0b04 841 local->_oper_chandef = *chandef;
55de908a
JB		 842 ieee80211_hw_config(local, 0);
843 }
3d9e6e12 844
4bf88530
JB		 845 if (ret == 0)
846 local->monitor_chandef = *chandef;
55de908a 847 mutex_unlock(&local->iflist_mtx);
3d9e6e12 848
55de908a 849 return ret;
e8c9bd5b
JB		 850}
851
02945821 852static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 853 const u8 *resp, size_t resp_len)
02945821 854{
aa7a0080 855 struct probe_resp *new, *old;
02945821
AN		 856
857 if (!resp || !resp_len)
aba4e6ff 858 return 1;
02945821 859
7ca133bc 860 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 861
aa7a0080 862 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 863 if (!new)
864 return -ENOMEM;
865
aa7a0080
ES		 866 new->len = resp_len;
867 memcpy(new->data, resp, resp_len);
02945821
AN		 868
869 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 870 if (old)
871 kfree_rcu(old, rcu_head);
02945821
AN		 872
873 return 0;
874}
875
73da7d5b
SW		 876int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
877 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 878{
879 struct beacon_data *new, *old;
880 int new_head_len, new_tail_len;
8860020e
JB		 881 int size, err;
882 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 883
7ca133bc
SW		 884 old = sdata_dereference(sdata->u.ap.beacon, sdata);
885
5dfdaf58 886
5dfdaf58
JB		 887 /* Need to have a beacon head if we don't have one yet */
888 if (!params->head && !old)
8860020e 889 return -EINVAL;
5dfdaf58
JB		 890
891 /* new or old head? */
892 if (params->head)
893 new_head_len = params->head_len;
894 else
895 new_head_len = old->head_len;
896
897 /* new or old tail? */
898 if (params->tail || !old)
899 /* params->tail_len will be zero for !params->tail */
900 new_tail_len = params->tail_len;
901 else
902 new_tail_len = old->tail_len;
903
904 size = sizeof(*new) + new_head_len + new_tail_len;
905
906 new = kzalloc(size, GFP_KERNEL);
907 if (!new)
908 return -ENOMEM;
909
910 /* start filling the new info now */
911
5dfdaf58
JB		 912 /*
913 * pointers go into the block we allocated,
914 * memory is | beacon_data | head | tail |
915 */
916 new->head = ((u8 *) new) + sizeof(*new);
917 new->tail = new->head + new_head_len;
918 new->head_len = new_head_len;
919 new->tail_len = new_tail_len;
920
921 /* copy in head */
922 if (params->head)
923 memcpy(new->head, params->head, new_head_len);
924 else
925 memcpy(new->head, old->head, new_head_len);
926
927 /* copy in optional tail */
928 if (params->tail)
929 memcpy(new->tail, params->tail, new_tail_len);
930 else
931 if (old)
932 memcpy(new->tail, old->tail, new_tail_len);
933
02945821
AN		 934 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
935 params->probe_resp_len);
8860020e
JB		 936 if (err < 0)
937 return err;
938 if (err == 0)
02945821
AN		 939 changed |= BSS_CHANGED_AP_PROBE_RESP;
940
8860020e
JB		 941 rcu_assign_pointer(sdata->u.ap.beacon, new);
942
943 if (old)
944 kfree_rcu(old, rcu_head);
7827493b 945
8860020e 946 return changed;
5dfdaf58
JB		 947}
948
8860020e
JB		 949static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
950 struct cfg80211_ap_settings *params)
5dfdaf58 951{
8860020e 952 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 953 struct beacon_data *old;
665c93a9 954 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 955 u32 changed = BSS_CHANGED_BEACON_INT |
956 BSS_CHANGED_BEACON_ENABLED |
957 BSS_CHANGED_BEACON |
339afbf4
JB		 958 BSS_CHANGED_SSID |
959 BSS_CHANGED_P2P_PS;
8860020e 960 int err;
14db74bc 961
7ca133bc 962 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 963 if (old)
964 return -EALREADY;
965
04ecd257
JB		 966 /* TODO: make hostapd tell us what it wants */
967 sdata->smps_mode = IEEE80211_SMPS_OFF;
968 sdata->needed_rx_chains = sdata->local->rx_chains;
164eb02d 969 sdata->radar_required = params->radar_required;
04ecd257 970
4bf88530 971 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 972 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 973 if (err)
974 return err;
1f4ac5a6 975 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
aa430da4 976
665c93a9
JB		 977 /*
978 * Apply control port protocol, this allows us to
979 * not encrypt dynamic WEP control frames.
980 */
981 sdata->control_port_protocol = params->crypto.control_port_ethertype;
982 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 983 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
984 &params->crypto,
985 sdata->vif.type);
986
665c93a9
JB		 987 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
988 vlan->control_port_protocol =
989 params->crypto.control_port_ethertype;
990 vlan->control_port_no_encrypt =
991 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 992 vlan->encrypt_headroom =
993 ieee80211_cs_headroom(sdata->local,
994 &params->crypto,
995 vlan->vif.type);
665c93a9
JB		 996 }
997
8860020e
JB		 998 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
999 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 1000 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 1001
1002 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1003 if (params->ssid_len)
1004 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1005 params->ssid_len);
1006 sdata->vif.bss_conf.hidden_ssid =
1007 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1008
67baf663
JD		 1009 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1010 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1011 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1012 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1013 if (params->p2p_opp_ps)
1014 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1015 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 1016
8860020e
JB		 1017 err = ieee80211_assign_beacon(sdata, &params->beacon);
1018 if (err < 0)
1019 return err;
1020 changed |= err;
1021
1041638f
JB		 1022 err = drv_start_ap(sdata->local, sdata);
1023 if (err) {
7ca133bc
SW		 1024 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1025
1041638f
JB		 1026 if (old)
1027 kfree_rcu(old, rcu_head);
1028 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1029 return err;
1030 }
1031
8860020e
JB		 1032 ieee80211_bss_info_change_notify(sdata, changed);
1033
3edaf3e6
JB		 1034 netif_carrier_on(dev);
1035 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1036 netif_carrier_on(vlan->dev);
1037
665c93a9 1038 return 0;
5dfdaf58
JB		 1039}
1040
8860020e
JB		 1041static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1042 struct cfg80211_beacon_data *params)
5dfdaf58 1043{
14db74bc 1044 struct ieee80211_sub_if_data *sdata;
5dfdaf58 1045 struct beacon_data *old;
8860020e 1046 int err;
5dfdaf58 1047
14db74bc
JB		 1048 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1049
73da7d5b
SW		 1050 /* don't allow changing the beacon while CSA is in place - offset
1051 * of channel switch counter may change
1052 */
1053 if (sdata->vif.csa_active)
1054 return -EBUSY;
1055
7ca133bc 1056 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1057 if (!old)
1058 return -ENOENT;
1059
8860020e
JB		 1060 err = ieee80211_assign_beacon(sdata, params);
1061 if (err < 0)
1062 return err;
1063 ieee80211_bss_info_change_notify(sdata, err);
1064 return 0;
5dfdaf58
JB		 1065}
1066
8860020e 1067static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1068{
7b20b8e8
JB		 1069 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1070 struct ieee80211_sub_if_data *vlan;
1071 struct ieee80211_local *local = sdata->local;
1072 struct beacon_data *old_beacon;
1073 struct probe_resp *old_probe_resp;
d2859df5 1074 struct cfg80211_chan_def chandef;
14db74bc 1075
7ca133bc 1076 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1077 if (!old_beacon)
5dfdaf58 1078 return -ENOENT;
7ca133bc 1079 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1080
73da7d5b
SW		 1081 /* abort any running channel switch */
1082 sdata->vif.csa_active = false;
687da132 1083 cancel_work_sync(&sdata->u.ap.request_smps_work);
73da7d5b 1084
7b20b8e8 1085 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1086 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1087 netif_carrier_off(vlan->dev);
1088 netif_carrier_off(dev);
1089
7b20b8e8 1090 /* remove beacon and probe response */
a9b3cd7f 1091 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1092 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1093 kfree_rcu(old_beacon, rcu_head);
1094 if (old_probe_resp)
1095 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1096
2d4072a5 1097 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1098 sta_info_flush_defer(vlan);
1099 sta_info_flush_defer(sdata);
8ceb5955 1100 synchronize_net();
75de9113 1101 rcu_barrier();
7b4396bd 1102 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
75de9113 1103 sta_info_flush_cleanup(vlan);
7b4396bd
JB		 1104 ieee80211_free_keys(vlan);
1105 }
75de9113 1106 sta_info_flush_cleanup(sdata);
7b4396bd 1107 ieee80211_free_keys(sdata);
75de9113 1108
d6a83228 1109 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1110 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1111 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1112 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1113
a6b368f6 1114 if (sdata->wdev.cac_started) {
d2859df5 1115 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1116 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1117 cfg80211_cac_event(sdata->dev, &chandef,
1118 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1119 GFP_KERNEL);
1120 }
1121
1041638f
JB		 1122 drv_stop_ap(sdata->local, sdata);
1123
7b20b8e8
JB		 1124 /* free all potentially still buffered bcast frames */
1125 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1126 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1127
1f4ac5a6 1128 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a
JB		 1129 ieee80211_vif_release_channel(sdata);
1130
2d0ddec5 1131 return 0;
5dfdaf58
JB		 1132}
1133
4fd6931e
JB		 1134/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1135struct iapp_layer2_update {
1136 u8 da[ETH_ALEN]; /* broadcast */
1137 u8 sa[ETH_ALEN]; /* STA addr */
1138 __be16 len; /* 6 */
1139 u8 dsap; /* 0 */
1140 u8 ssap; /* 0 */
1141 u8 control;
1142 u8 xid_info[3];
bc10502d 1143} __packed;
4fd6931e
JB		 1144
1145static void ieee80211_send_layer2_update(struct sta_info *sta)
1146{
1147 struct iapp_layer2_update *msg;
1148 struct sk_buff *skb;
1149
1150 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1151 * bridge devices */
1152
1153 skb = dev_alloc_skb(sizeof(*msg));
1154 if (!skb)
1155 return;
1156 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1157
1158 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1159 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1160
e83e6541 1161 eth_broadcast_addr(msg->da);
17741cdc 1162 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1163 msg->len = htons(6);
1164 msg->dsap = 0;
1165 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1166 msg->control = 0xaf; /* XID response lsb.1111F101.
1167 * F=0 (no poll command; unsolicited frame) */
1168 msg->xid_info[0] = 0x81; /* XID format identifier */
1169 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1170 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1171
d0709a65
JB		 1172 skb->dev = sta->sdata->dev;
1173 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1174 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1175 netif_rx_ni(skb);
4fd6931e
JB		 1176}
1177
d582cffb
JB		 1178static int sta_apply_auth_flags(struct ieee80211_local *local,
1179 struct sta_info *sta,
1180 u32 mask, u32 set)
1181{
1182 int ret;
1183
1184 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1185 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1186 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1187 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1188 if (ret)
1189 return ret;
1190 }
1191
1192 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1193 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1194 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1195 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1196 if (ret)
1197 return ret;
1198 }
1199
1200 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1201 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1202 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1203 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1204 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1205 else
1206 ret = 0;
1207 if (ret)
1208 return ret;
1209 }
1210
1211 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1212 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1213 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1214 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1215 if (ret)
1216 return ret;
1217 }
1218
1219 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1220 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1221 test_sta_flag(sta, WLAN_STA_AUTH)) {
1222 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1223 if (ret)
1224 return ret;
1225 }
1226
1227 return 0;
1228}
1229
d9a7ddb0
JB		 1230static int sta_apply_parameters(struct ieee80211_local *local,
1231 struct sta_info *sta,
1232 struct station_parameters *params)
4fd6931e 1233{
d9a7ddb0 1234 int ret = 0;
8318d78a 1235 struct ieee80211_supported_band *sband;
d0709a65 1236 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1237 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1238 u32 mask, set;
4fd6931e 1239
55de908a 1240 sband = local->hw.wiphy->bands[band];
ae5eb026 1241
eccb8e8f
JB		 1242 mask = params->sta_flags_mask;
1243 set = params->sta_flags_set;
73651ee6 1244
d582cffb
JB		 1245 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1246 /*
1247 * In mesh mode, ASSOCIATED isn't part of the nl80211
1248 * API but must follow AUTHENTICATED for driver state.
1249 */
1250 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1251 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1252 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1253 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1254 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1255 /*
1256 * TDLS -- everything follows authorized, but
1257 * only becoming authorized is possible, not
1258 * going back
1259 */
1260 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1261 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1262 BIT(NL80211_STA_FLAG_ASSOCIATED);
1263 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1264 BIT(NL80211_STA_FLAG_ASSOCIATED);
1265 }
eccb8e8f 1266 }
4fd6931e 1267
d582cffb
JB		 1268 ret = sta_apply_auth_flags(local, sta, mask, set);
1269 if (ret)
1270 return ret;
d9a7ddb0 1271
eccb8e8f 1272 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1273 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1274 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1275 else
1276 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1277 }
4fd6931e 1278
eccb8e8f 1279 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1280 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1281 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1282 sta->sta.wme = true;
c2c98fde
JB		 1283 } else {
1284 clear_sta_flag(sta, WLAN_STA_WME);
1285 sta->sta.wme = false;
39df600a 1286 }
eccb8e8f 1287 }
5394af4d 1288
eccb8e8f 1289 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1290 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1291 set_sta_flag(sta, WLAN_STA_MFP);
1292 else
1293 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1294 }
b39c48fa 1295
07ba55d7 1296 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1297 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1298 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1299 else
1300 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1301 }
4fd6931e 1302
3b9ce80c
JB		 1303 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1304 sta->sta.uapsd_queues = params->uapsd_queues;
1305 sta->sta.max_sp = params->max_sp;
1306 }
9533b4ac 1307
51b50fbe
JB		 1308 /*
1309 * cfg80211 validates this (1-2007) and allows setting the AID
1310 * only when creating a new station entry
1311 */
1312 if (params->aid)
1313 sta->sta.aid = params->aid;
1314
73651ee6 1315 /*
ba23d206
JB		 1316 * Some of the following updates would be racy if called on an
1317 * existing station, via ieee80211_change_station(). However,
1318 * all such changes are rejected by cfg80211 except for updates
1319 * changing the supported rates on an existing but not yet used
1320 * TDLS peer.
73651ee6
JB		 1321 */
1322
4fd6931e
JB		 1323 if (params->listen_interval >= 0)
1324 sta->listen_interval = params->listen_interval;
1325
1326 if (params->supported_rates) {
2103dec1
SW		 1327 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1328 sband, params->supported_rates,
1329 params->supported_rates_len,
1330 &sta->sta.supp_rates[band]);
4fd6931e 1331 }
c5dd9c2b 1332
d9fe60de 1333 if (params->ht_capa)
ef96a842 1334 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1335 params->ht_capa, sta);
36aedc90 1336
f461be3e
MP		 1337 if (params->vht_capa)
1338 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1339 params->vht_capa, sta);
f461be3e 1340
9c3990aa 1341 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1342#ifdef CONFIG_MAC80211_MESH
39886b61 1343 u32 changed = 0;
77ee7c89
JB		 1344
1345 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1346 switch (params->plink_state) {
57cf8043 1347 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1348 if (sta->plink_state != NL80211_PLINK_ESTAB)
1349 changed = mesh_plink_inc_estab_count(
1350 sdata);
1351 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1352
1353 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1354 changed |= ieee80211_mps_set_sta_local_pm(sta,
1355 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1356 break;
1357 case NL80211_PLINK_LISTEN:
57cf8043 1358 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1359 case NL80211_PLINK_OPN_SNT:
1360 case NL80211_PLINK_OPN_RCVD:
1361 case NL80211_PLINK_CNF_RCVD:
1362 case NL80211_PLINK_HOLDING:
1363 if (sta->plink_state == NL80211_PLINK_ESTAB)
1364 changed = mesh_plink_dec_estab_count(
1365 sdata);
9c3990aa 1366 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1367
1368 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1369 changed |= ieee80211_mps_set_sta_local_pm(sta,
1370 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1371 break;
1372 default:
1373 /* nothing */
1374 break;
1375 }
77ee7c89
JB		 1376 }
1377
1378 switch (params->plink_action) {
1379 case NL80211_PLINK_ACTION_NO_ACTION:
1380 /* nothing */
1381 break;
1382 case NL80211_PLINK_ACTION_OPEN:
1383 changed |= mesh_plink_open(sta);
1384 break;
1385 case NL80211_PLINK_ACTION_BLOCK:
1386 changed |= mesh_plink_block(sta);
1387 break;
1617bab8 1388 }
3f52b7e3
MP		 1389
1390 if (params->local_pm)
39886b61
TP		 1391 changed |=
1392 ieee80211_mps_set_sta_local_pm(sta,
1393 params->local_pm);
1394 ieee80211_bss_info_change_notify(sdata, changed);
4daf50f2 1395#endif
902acc78 1396 }
d9a7ddb0
JB		 1397
1398 return 0;
4fd6931e
JB		 1399}
1400
1401static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1402 u8 *mac, struct station_parameters *params)
1403{
14db74bc 1404 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1405 struct sta_info *sta;
1406 struct ieee80211_sub_if_data *sdata;
73651ee6 1407 int err;
b8d476c8 1408 int layer2_update;
4fd6931e 1409
4fd6931e
JB		 1410 if (params->vlan) {
1411 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1412
05c914fe
JB		 1413 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1414 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1415 return -EINVAL;
1416 } else
1417 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1418
b203ca39 1419 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1420 return -EINVAL;
1421
1422 if (is_multicast_ether_addr(mac))
1423 return -EINVAL;
1424
1425 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1426 if (!sta)
1427 return -ENOMEM;
4fd6931e 1428
d582cffb
JB		 1429 /*
1430 * defaults -- if userspace wants something else we'll
1431 * change it accordingly in sta_apply_parameters()
1432 */
77ee7c89
JB		 1433 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1434 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1435 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1436 }
4fd6931e 1437
d9a7ddb0
JB		 1438 err = sta_apply_parameters(local, sta, params);
1439 if (err) {
1440 sta_info_free(local, sta);
1441 return err;
1442 }
4fd6931e 1443
d64cf63e 1444 /*
77ee7c89
JB		 1445 * for TDLS, rate control should be initialized only when
1446 * rates are known and station is marked authorized
d64cf63e
AN		 1447 */
1448 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1449 rate_control_rate_init(sta);
4fd6931e 1450
b8d476c8
JM		 1451 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1452 sdata->vif.type == NL80211_IFTYPE_AP;
1453
34e89507 1454 err = sta_info_insert_rcu(sta);
73651ee6 1455 if (err) {
73651ee6
JB		 1456 rcu_read_unlock();
1457 return err;
1458 }
1459
b8d476c8 1460 if (layer2_update)
73651ee6
JB		 1461 ieee80211_send_layer2_update(sta);
1462
1463 rcu_read_unlock();
1464
4fd6931e
JB		 1465 return 0;
1466}
1467
1468static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1469 u8 *mac)
1470{
14db74bc 1471 struct ieee80211_sub_if_data *sdata;
4fd6931e 1472
14db74bc
JB		 1473 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1474
34e89507
JB		 1475 if (mac)
1476 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1477
b998e8bb 1478 sta_info_flush(sdata);
4fd6931e
JB		 1479 return 0;
1480}
1481
1482static int ieee80211_change_station(struct wiphy *wiphy,
77ee7c89 1483 struct net_device *dev, u8 *mac,
4fd6931e
JB		 1484 struct station_parameters *params)
1485{
abe60632 1486 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1487 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1488 struct sta_info *sta;
1489 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1490 enum cfg80211_station_type statype;
35b88623 1491 int err;
4fd6931e 1492
87be1e1e 1493 mutex_lock(&local->sta_mtx);
98dd6a57 1494
0e5ded5a 1495 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1496 if (!sta) {
77ee7c89
JB		 1497 err = -ENOENT;
1498 goto out_err;
98dd6a57 1499 }
4fd6931e 1500
77ee7c89
JB		 1501 switch (sdata->vif.type) {
1502 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1503 if (sdata->u.mesh.user_mpm)
eef941e6 1504 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1505 else
eef941e6 1506 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1507 break;
1508 case NL80211_IFTYPE_ADHOC:
1509 statype = CFG80211_STA_IBSS;
1510 break;
1511 case NL80211_IFTYPE_STATION:
1512 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1513 statype = CFG80211_STA_AP_STA;
1514 break;
1515 }
1516 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1517 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1518 else
1519 statype = CFG80211_STA_TDLS_PEER_SETUP;
1520 break;
1521 case NL80211_IFTYPE_AP:
1522 case NL80211_IFTYPE_AP_VLAN:
1523 statype = CFG80211_STA_AP_CLIENT;
1524 break;
1525 default:
1526 err = -EOPNOTSUPP;
1527 goto out_err;
bdd90d5e
JB		 1528 }
1529
77ee7c89
JB		 1530 err = cfg80211_check_station_change(wiphy, params, statype);
1531 if (err)
1532 goto out_err;
1533
d0709a65 1534 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1535 bool prev_4addr = false;
1536 bool new_4addr = false;
1537
4fd6931e
JB		 1538 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1539
9bc383de 1540 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1541 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1542 err = -EBUSY;
1543 goto out_err;
3305443c 1544 }
f14543ee 1545
cf778b00 1546 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1547 new_4addr = true;
1548 }
1549
1550 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1551 sta->sdata->u.vlan.sta) {
1552 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1553 prev_4addr = true;
f14543ee
FF		 1554 }
1555
14db74bc 1556 sta->sdata = vlansdata;
7e3ed02c
FF		 1557
1558 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1559 prev_4addr != new_4addr) {
1560 if (new_4addr)
1561 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1562 else
1563 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1564 }
1565
4fd6931e
JB		 1566 ieee80211_send_layer2_update(sta);
1567 }
1568
35b88623 1569 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1570 if (err)
1571 goto out_err;
4fd6931e 1572
77ee7c89
JB		 1573 /* When peer becomes authorized, init rate control as well */
1574 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1575 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1576 rate_control_rate_init(sta);
1577
87be1e1e 1578 mutex_unlock(&local->sta_mtx);
98dd6a57 1579
687da132
EG		 1580 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1581 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1582 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1583 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1584 sta_info_tx_streams(sta) != 1) {
1585 ht_dbg(sta->sdata,
1586 "%pM just authorized and MIMO capable - update SMPS\n",
1587 sta->sta.addr);
1588 ieee80211_send_smps_action(sta->sdata,
1589 sta->sdata->bss->req_smps,
1590 sta->sta.addr,
1591 sta->sdata->vif.bss_conf.bssid);
1592 }
1593
808118cb 1594 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1595 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1596 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1597 ieee80211_recalc_ps_vif(sdata);
1598 }
77ee7c89 1599
4fd6931e 1600 return 0;
77ee7c89
JB		 1601out_err:
1602 mutex_unlock(&local->sta_mtx);
1603 return err;
4fd6931e
JB		 1604}
1605
c5dd9c2b
LCC		 1606#ifdef CONFIG_MAC80211_MESH
1607static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1608 u8 *dst, u8 *next_hop)
1609{
14db74bc 1610 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1611 struct mesh_path *mpath;
1612 struct sta_info *sta;
c5dd9c2b 1613
14db74bc
JB		 1614 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1615
d0709a65 1616 rcu_read_lock();
abe60632 1617 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1618 if (!sta) {
1619 rcu_read_unlock();
c5dd9c2b 1620 return -ENOENT;
d0709a65 1621 }
c5dd9c2b 1622
ae76eef0
BC		 1623 mpath = mesh_path_add(sdata, dst);
1624 if (IS_ERR(mpath)) {
d0709a65 1625 rcu_read_unlock();
ae76eef0 1626 return PTR_ERR(mpath);
d0709a65 1627 }
c5dd9c2b 1628
c5dd9c2b 1629 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1630
c5dd9c2b
LCC		 1631 rcu_read_unlock();
1632 return 0;
1633}
1634
1635static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1636 u8 *dst)
c5dd9c2b 1637{
f698d856
JBG		 1638 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1639
c5dd9c2b 1640 if (dst)
bf7cd94d 1641 return mesh_path_del(sdata, dst);
c5dd9c2b 1642
ece1a2e7 1643 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1644 return 0;
1645}
1646
1647static int ieee80211_change_mpath(struct wiphy *wiphy,
1648 struct net_device *dev,
1649 u8 *dst, u8 *next_hop)
1650{
14db74bc 1651 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1652 struct mesh_path *mpath;
1653 struct sta_info *sta;
1654
14db74bc
JB		 1655 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1656
d0709a65
JB		 1657 rcu_read_lock();
1658
abe60632 1659 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1660 if (!sta) {
1661 rcu_read_unlock();
c5dd9c2b 1662 return -ENOENT;
d0709a65 1663 }
c5dd9c2b 1664
bf7cd94d 1665 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1666 if (!mpath) {
1667 rcu_read_unlock();
c5dd9c2b
LCC		 1668 return -ENOENT;
1669 }
1670
1671 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1672
c5dd9c2b
LCC		 1673 rcu_read_unlock();
1674 return 0;
1675}
1676
1677static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1678 struct mpath_info *pinfo)
1679{
a3836e02
JB		 1680 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1681
1682 if (next_hop_sta)
1683 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1684 else
1685 memset(next_hop, 0, ETH_ALEN);
1686
7ce8c7a3
LAYS		 1687 memset(pinfo, 0, sizeof(*pinfo));
1688
f5ea9120
JB		 1689 pinfo->generation = mesh_paths_generation;
1690
c5dd9c2b 1691 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1692 MPATH_INFO_SN |
c5dd9c2b
LCC		 1693 MPATH_INFO_METRIC |
1694 MPATH_INFO_EXPTIME |
1695 MPATH_INFO_DISCOVERY_TIMEOUT |
1696 MPATH_INFO_DISCOVERY_RETRIES |
1697 MPATH_INFO_FLAGS;
1698
1699 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1700 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1701 pinfo->metric = mpath->metric;
1702 if (time_before(jiffies, mpath->exp_time))
1703 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1704 pinfo->discovery_timeout =
1705 jiffies_to_msecs(mpath->discovery_timeout);
1706 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1707 if (mpath->flags & MESH_PATH_ACTIVE)
1708 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1709 if (mpath->flags & MESH_PATH_RESOLVING)
1710 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1711 if (mpath->flags & MESH_PATH_SN_VALID)
1712 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1713 if (mpath->flags & MESH_PATH_FIXED)
1714 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1715 if (mpath->flags & MESH_PATH_RESOLVED)
1716 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1717}
1718
1719static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1720 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1721
1722{
14db74bc 1723 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1724 struct mesh_path *mpath;
1725
14db74bc
JB		 1726 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1727
c5dd9c2b 1728 rcu_read_lock();
bf7cd94d 1729 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1730 if (!mpath) {
1731 rcu_read_unlock();
1732 return -ENOENT;
1733 }
1734 memcpy(dst, mpath->dst, ETH_ALEN);
1735 mpath_set_pinfo(mpath, next_hop, pinfo);
1736 rcu_read_unlock();
1737 return 0;
1738}
1739
1740static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1741 int idx, u8 *dst, u8 *next_hop,
1742 struct mpath_info *pinfo)
1743{
14db74bc 1744 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1745 struct mesh_path *mpath;
1746
14db74bc
JB		 1747 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1748
c5dd9c2b 1749 rcu_read_lock();
bf7cd94d 1750 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1751 if (!mpath) {
1752 rcu_read_unlock();
1753 return -ENOENT;
1754 }
1755 memcpy(dst, mpath->dst, ETH_ALEN);
1756 mpath_set_pinfo(mpath, next_hop, pinfo);
1757 rcu_read_unlock();
1758 return 0;
1759}
93da9cc1 1760
24bdd9f4 1761static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1762 struct net_device *dev,
1763 struct mesh_config *conf)
1764{
1765 struct ieee80211_sub_if_data *sdata;
1766 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1767
93da9cc1 1768 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1769 return 0;
1770}
1771
1772static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1773{
1774 return (mask >> (parm-1)) & 0x1;
1775}
1776
c80d545d
JC		 1777static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1778 const struct mesh_setup *setup)
1779{
1780 u8 *new_ie;
1781 const u8 *old_ie;
4bb62344
CYY		 1782 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1783 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1784
581a8b0f 1785 /* allocate information elements */
c80d545d 1786 new_ie = NULL;
581a8b0f 1787 old_ie = ifmsh->ie;
c80d545d 1788
581a8b0f
JC		 1789 if (setup->ie_len) {
1790 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1791 GFP_KERNEL);
1792 if (!new_ie)
1793 return -ENOMEM;
1794 }
581a8b0f
JC		 1795 ifmsh->ie_len = setup->ie_len;
1796 ifmsh->ie = new_ie;
1797 kfree(old_ie);
c80d545d
JC		 1798
1799 /* now copy the rest of the setup parameters */
1800 ifmsh->mesh_id_len = setup->mesh_id_len;
1801 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1802 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1803 ifmsh->mesh_pp_id = setup->path_sel_proto;
1804 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1805 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1806 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1807 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1808 if (setup->is_authenticated)
1809 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1810 if (setup->is_secure)
1811 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1812
4bb62344
CYY		 1813 /* mcast rate setting in Mesh Node */
1814 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1815 sizeof(setup->mcast_rate));
ffb3cf30 1816 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1817
9bdbf04d
MP		 1818 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1819 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1820
c80d545d
JC		 1821 return 0;
1822}
1823
24bdd9f4 1824static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1825 struct net_device *dev, u32 mask,
1826 const struct mesh_config *nconf)
93da9cc1 1827{
1828 struct mesh_config *conf;
1829 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1830 struct ieee80211_if_mesh *ifmsh;
1831
93da9cc1 1832 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1833 ifmsh = &sdata->u.mesh;
93da9cc1 1834
93da9cc1 1835 /* Set the config options which we are interested in setting */
1836 conf = &(sdata->u.mesh.mshcfg);
1837 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1838 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1839 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1840 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1841 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1842 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1843 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1844 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1845 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1846 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1847 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1848 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1849 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1850 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1851 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1852 if (ifmsh->user_mpm)
1853 return -EBUSY;
93da9cc1 1854 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1855 }
d299a1f2
JC		 1856 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1857 conf->dot11MeshNbrOffsetMaxNeighbor =
1858 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1859 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1860 conf->dot11MeshHWMPmaxPREQretries =
1861 nconf->dot11MeshHWMPmaxPREQretries;
1862 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1863 conf->path_refresh_time = nconf->path_refresh_time;
1864 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1865 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1866 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1867 conf->dot11MeshHWMPactivePathTimeout =
1868 nconf->dot11MeshHWMPactivePathTimeout;
1869 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1870 conf->dot11MeshHWMPpreqMinInterval =
1871 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1872 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1873 conf->dot11MeshHWMPperrMinInterval =
1874 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1875 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1876 mask))
1877 conf->dot11MeshHWMPnetDiameterTraversalTime =
1878 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1879 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1880 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1881 ieee80211_mesh_root_setup(ifmsh);
1882 }
16dd7267 1883 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1884 /* our current gate announcement implementation rides on root
1885 * announcements, so require this ifmsh to also be a root node
1886 * */
1887 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1888 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1889 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1890 ieee80211_mesh_root_setup(ifmsh);
1891 }
16dd7267
JC		 1892 conf->dot11MeshGateAnnouncementProtocol =
1893 nconf->dot11MeshGateAnnouncementProtocol;
1894 }
a4f606ea 1895 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1896 conf->dot11MeshHWMPRannInterval =
1897 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1898 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1899 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1900 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1901 /* our RSSI threshold implementation is supported only for
1902 * devices that report signal in dBm.
1903 */
1904 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1905 return -ENOTSUPP;
1906 conf->rssi_threshold = nconf->rssi_threshold;
1907 }
70c33eaa
AN		 1908 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1909 conf->ht_opmode = nconf->ht_opmode;
1910 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1911 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1912 }
ac1073a6
CYY		 1913 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1914 conf->dot11MeshHWMPactivePathToRootTimeout =
1915 nconf->dot11MeshHWMPactivePathToRootTimeout;
1916 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1917 conf->dot11MeshHWMProotInterval =
1918 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1919 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1920 conf->dot11MeshHWMPconfirmationInterval =
1921 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1922 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1923 conf->power_mode = nconf->power_mode;
1924 ieee80211_mps_local_status_update(sdata);
1925 }
2b5e1967 1926 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1927 conf->dot11MeshAwakeWindowDuration =
1928 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1929 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1930 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1931 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1932 return 0;
1933}
1934
29cbe68c
JB		 1935static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1936 const struct mesh_config *conf,
1937 const struct mesh_setup *setup)
1938{
1939 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1940 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1941 int err;
29cbe68c 1942
c80d545d
JC		 1943 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1944 err = copy_mesh_setup(ifmsh, setup);
1945 if (err)
1946 return err;
cc1d2806 1947
04ecd257
JB		 1948 /* can mesh use other SMPS modes? */
1949 sdata->smps_mode = IEEE80211_SMPS_OFF;
1950 sdata->needed_rx_chains = sdata->local->rx_chains;
1951
4bf88530 1952 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1953 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1954 if (err)
1955 return err;
1956
2b5e1967 1957 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1958}
1959
1960static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1961{
1962 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1963
1964 ieee80211_stop_mesh(sdata);
55de908a 1965 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1966
1967 return 0;
1968}
c5dd9c2b
LCC		 1969#endif
1970
9f1ba906
JM		 1971static int ieee80211_change_bss(struct wiphy *wiphy,
1972 struct net_device *dev,
1973 struct bss_parameters *params)
1974{
55de908a
JB		 1975 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1976 enum ieee80211_band band;
9f1ba906
JM		 1977 u32 changed = 0;
1978
7ca133bc 1979 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1980 return -ENOENT;
1981
1982 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1983
9f1ba906 1984 if (params->use_cts_prot >= 0) {
bda3933a 1985 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1986 changed |= BSS_CHANGED_ERP_CTS_PROT;
1987 }
1988 if (params->use_short_preamble >= 0) {
bda3933a 1989 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1990 params->use_short_preamble;
1991 changed |= BSS_CHANGED_ERP_PREAMBLE;
1992 }
43d35343
FF		 1993
1994 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1995 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1996 sdata->vif.bss_conf.use_short_slot = true;
1997 changed |= BSS_CHANGED_ERP_SLOT;
1998 }
1999
9f1ba906 2000 if (params->use_short_slot_time >= 0) {
bda3933a 2001 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2002 params->use_short_slot_time;
2003 changed |= BSS_CHANGED_ERP_SLOT;
2004 }
2005
90c97a04 2006 if (params->basic_rates) {
2103dec1
SW		 2007 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2008 wiphy->bands[band],
2009 params->basic_rates,
2010 params->basic_rates_len,
2011 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 2012 changed |= BSS_CHANGED_BASIC_RATES;
2013 }
2014
7b7b5e56
FF		 2015 if (params->ap_isolate >= 0) {
2016 if (params->ap_isolate)
2017 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2018 else
2019 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2020 }
2021
80d7e403
HS		 2022 if (params->ht_opmode >= 0) {
2023 sdata->vif.bss_conf.ht_operation_mode =
2024 (u16) params->ht_opmode;
2025 changed |= BSS_CHANGED_HT;
2026 }
2027
339afbf4 2028 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2029 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2030 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2031 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2032 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2033 changed |= BSS_CHANGED_P2P_PS;
2034 }
2035
67baf663
JD		 2036 if (params->p2p_opp_ps > 0) {
2037 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2038 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2039 changed |= BSS_CHANGED_P2P_PS;
2040 } else if (params->p2p_opp_ps == 0) {
2041 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2042 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2043 changed |= BSS_CHANGED_P2P_PS;
2044 }
2045
9f1ba906
JM		 2046 ieee80211_bss_info_change_notify(sdata, changed);
2047
2048 return 0;
2049}
2050
31888487 2051static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2052 struct net_device *dev,
31888487
JM		 2053 struct ieee80211_txq_params *params)
2054{
2055 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2056 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2057 struct ieee80211_tx_queue_params p;
2058
2059 if (!local->ops->conf_tx)
2060 return -EOPNOTSUPP;
2061
54bcbc69
JB		 2062 if (local->hw.queues < IEEE80211_NUM_ACS)
2063 return -EOPNOTSUPP;
2064
31888487
JM		 2065 memset(&p, 0, sizeof(p));
2066 p.aifs = params->aifs;
2067 p.cw_max = params->cwmax;
2068 p.cw_min = params->cwmin;
2069 p.txop = params->txop;
ab13315a
KV		 2070
2071 /*
2072 * Setting tx queue params disables u-apsd because it's only
2073 * called in master mode.
2074 */
2075 p.uapsd = false;
2076
a3304b0a
JB		 2077 sdata->tx_conf[params->ac] = p;
2078 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2079 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2080 "failed to set TX queue parameters for AC %d\n",
2081 params->ac);
31888487
JM		 2082 return -EINVAL;
2083 }
2084
7d25745d
JB		 2085 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2086
31888487
JM		 2087 return 0;
2088}
2089
665af4fc 2090#ifdef CONFIG_PM
ff1b6e69
JB		 2091static int ieee80211_suspend(struct wiphy *wiphy,
2092 struct cfg80211_wowlan *wowlan)
665af4fc 2093{
eecc4800 2094 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2095}
2096
2097static int ieee80211_resume(struct wiphy *wiphy)
2098{
2099 return __ieee80211_resume(wiphy_priv(wiphy));
2100}
2101#else
2102#define ieee80211_suspend NULL
2103#define ieee80211_resume NULL
2104#endif
2105
2a519311 2106static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2107 struct cfg80211_scan_request *req)
2108{
fd014284
JB		 2109 struct ieee80211_sub_if_data *sdata;
2110
2111 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2112
2ca27bcf
JB		 2113 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2114 case NL80211_IFTYPE_STATION:
2115 case NL80211_IFTYPE_ADHOC:
2116 case NL80211_IFTYPE_MESH_POINT:
2117 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2118 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2119 break;
2120 case NL80211_IFTYPE_P2P_GO:
2121 if (sdata->local->ops->hw_scan)
2122 break;
e9d7732e
JB		 2123 /*
2124 * FIXME: implement NoA while scanning in software,
2125 * for now fall through to allow scanning only when
2126 * beaconing hasn't been configured yet
2127 */
2ca27bcf 2128 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2129 /*
2130 * If the scan has been forced (and the driver supports
2131 * forcing), don't care about being beaconing already.
2132 * This will create problems to the attached stations (e.g. all
2133 * the frames sent while scanning on other channel will be
2134 * lost)
2135 */
2136 if (sdata->u.ap.beacon &&
2137 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2138 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2139 return -EOPNOTSUPP;
2140 break;
2141 default:
2142 return -EOPNOTSUPP;
2143 }
2a519311
JB		 2144
2145 return ieee80211_request_scan(sdata, req);
2146}
2147
79f460ca
LC		 2148static int
2149ieee80211_sched_scan_start(struct wiphy *wiphy,
2150 struct net_device *dev,
2151 struct cfg80211_sched_scan_request *req)
2152{
2153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2154
2155 if (!sdata->local->ops->sched_scan_start)
2156 return -EOPNOTSUPP;
2157
2158 return ieee80211_request_sched_scan_start(sdata, req);
2159}
2160
2161static int
85a9994a 2162ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2163{
2164 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2165
2166 if (!sdata->local->ops->sched_scan_stop)
2167 return -EOPNOTSUPP;
2168
85a9994a 2169 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2170}
2171
636a5d36
JM		 2172static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2173 struct cfg80211_auth_request *req)
2174{
77fdaa12 2175 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2176}
2177
2178static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2179 struct cfg80211_assoc_request *req)
2180{
77fdaa12 2181 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2182}
2183
2184static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2185 struct cfg80211_deauth_request *req)
636a5d36 2186{
63c9c5e7 2187 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2188}
2189
2190static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2191 struct cfg80211_disassoc_request *req)
636a5d36 2192{
63c9c5e7 2193 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2194}
2195
af8cdcd8
JB		 2196static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2197 struct cfg80211_ibss_params *params)
2198{
55de908a 2199 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2200}
2201
2202static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2203{
55de908a 2204 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2205}
2206
391e53e3
AQ		 2207static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2208 int rate[IEEE80211_NUM_BANDS])
2209{
2210 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2211
9887dbf5
CD		 2212 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2213 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2214
2215 return 0;
2216}
2217
b9a5f8ca
JM		 2218static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2219{
2220 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2221 int err;
b9a5f8ca 2222
f23a4780
AN		 2223 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2224 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2225
2226 if (err)
2227 return err;
2228 }
2229
310bc676
LT		 2230 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2231 err = drv_set_coverage_class(local, wiphy->coverage_class);
2232
2233 if (err)
2234 return err;
2235 }
2236
b9a5f8ca 2237 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2238 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2239
24487981
JB		 2240 if (err)
2241 return err;
b9a5f8ca
JM		 2242 }
2243
8bc83c24
JB		 2244 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2245 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2246 return -EINVAL;
b9a5f8ca 2247 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2248 }
2249 if (changed & WIPHY_PARAM_RETRY_LONG) {
2250 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2251 return -EINVAL;
b9a5f8ca 2252 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2253 }
b9a5f8ca
JM		 2254 if (changed &
2255 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2256 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2257
2258 return 0;
2259}
2260
7643a2c3 2261static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2262 struct wireless_dev *wdev,
fa61cf70 2263 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2264{
2265 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2266 struct ieee80211_sub_if_data *sdata;
7643a2c3 2267
1ea6f9c0
JB		 2268 if (wdev) {
2269 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2270
2271 switch (type) {
2272 case NL80211_TX_POWER_AUTOMATIC:
2273 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2274 break;
2275 case NL80211_TX_POWER_LIMITED:
2276 case NL80211_TX_POWER_FIXED:
2277 if (mbm < 0 || (mbm % 100))
2278 return -EOPNOTSUPP;
2279 sdata->user_power_level = MBM_TO_DBM(mbm);
2280 break;
2281 }
2282
2283 ieee80211_recalc_txpower(sdata);
2284
2285 return 0;
2286 }
55de908a 2287
7643a2c3 2288 switch (type) {
fa61cf70 2289 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2290 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2291 break;
fa61cf70 2292 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2293 case NL80211_TX_POWER_FIXED:
2294 if (mbm < 0 || (mbm % 100))
2295 return -EOPNOTSUPP;
fa61cf70 2296 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2297 break;
7643a2c3
JB		 2298 }
2299
1ea6f9c0
JB		 2300 mutex_lock(&local->iflist_mtx);
2301 list_for_each_entry(sdata, &local->interfaces, list)
2302 sdata->user_power_level = local->user_power_level;
2303 list_for_each_entry(sdata, &local->interfaces, list)
2304 ieee80211_recalc_txpower(sdata);
2305 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2306
2307 return 0;
2308}
2309
c8442118
JB		 2310static int ieee80211_get_tx_power(struct wiphy *wiphy,
2311 struct wireless_dev *wdev,
2312 int *dbm)
7643a2c3
JB		 2313{
2314 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2315 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2316
1ea6f9c0
JB		 2317 if (!local->use_chanctx)
2318 *dbm = local->hw.conf.power_level;
2319 else
2320 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2321
7643a2c3
JB		 2322 return 0;
2323}
2324
ab737a4f 2325static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2326 const u8 *addr)
ab737a4f
JB		 2327{
2328 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2329
2330 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2331
2332 return 0;
2333}
2334
1f87f7d3
JB		 2335static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2336{
2337 struct ieee80211_local *local = wiphy_priv(wiphy);
2338
2339 drv_rfkill_poll(local);
2340}
2341
aff89a9b 2342#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2343static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2344 struct wireless_dev *wdev,
2345 void *data, int len)
aff89a9b
JB		 2346{
2347 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2348 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2349
2350 if (!local->ops->testmode_cmd)
2351 return -EOPNOTSUPP;
2352
52981cd7
DS		 2353 if (wdev) {
2354 struct ieee80211_sub_if_data *sdata;
2355
2356 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2357 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2358 vif = &sdata->vif;
2359 }
2360
2361 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2362}
71063f0e
WYG		 2363
2364static int ieee80211_testmode_dump(struct wiphy *wiphy,
2365 struct sk_buff *skb,
2366 struct netlink_callback *cb,
2367 void *data, int len)
2368{
2369 struct ieee80211_local *local = wiphy_priv(wiphy);
2370
2371 if (!local->ops->testmode_dump)
2372 return -EOPNOTSUPP;
2373
2374 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2375}
aff89a9b
JB		 2376#endif
2377
687da132
EG		 2378int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2379 enum ieee80211_smps_mode smps_mode)
2380{
2381 struct sta_info *sta;
2382 enum ieee80211_smps_mode old_req;
2383 int i;
2384
2385 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2386 return -EINVAL;
2387
2388 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2389 return 0;
2390
2391 old_req = sdata->u.ap.req_smps;
2392 sdata->u.ap.req_smps = smps_mode;
2393
2394 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2395 if (old_req == smps_mode ||
2396 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2397 return 0;
2398
2399 /* If no associated stations, there's no need to do anything */
2400 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2401 sdata->smps_mode = smps_mode;
2402 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2403 return 0;
2404 }
2405
2406 ht_dbg(sdata,
2407 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2408 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2409
2410 mutex_lock(&sdata->local->sta_mtx);
2411 for (i = 0; i < STA_HASH_SIZE; i++) {
2412 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2413 lockdep_is_held(&sdata->local->sta_mtx));
2414 sta;
2415 sta = rcu_dereference_protected(sta->hnext,
2416 lockdep_is_held(&sdata->local->sta_mtx))) {
2417 /*
2418 * Only stations associated to our AP and
2419 * associated VLANs
2420 */
2421 if (sta->sdata->bss != &sdata->u.ap)
2422 continue;
2423
2424 /* This station doesn't support MIMO - skip it */
2425 if (sta_info_tx_streams(sta) == 1)
2426 continue;
2427
2428 /*
2429 * Don't wake up a STA just to send the action frame
2430 * unless we are getting more restrictive.
2431 */
2432 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2433 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2434 smps_mode)) {
2435 ht_dbg(sdata,
2436 "Won't send SMPS to sleeping STA %pM\n",
2437 sta->sta.addr);
2438 continue;
2439 }
2440
2441 /*
2442 * If the STA is not authorized, wait until it gets
2443 * authorized and the action frame will be sent then.
2444 */
2445 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2446 continue;
2447
2448 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2449 ieee80211_send_smps_action(sdata, smps_mode,
2450 sta->sta.addr,
2451 sdata->vif.bss_conf.bssid);
2452 }
2453 }
2454 mutex_unlock(&sdata->local->sta_mtx);
2455
2456 sdata->smps_mode = smps_mode;
2457 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2458
2459 return 0;
2460}
2461
2462int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2463 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2464{
2465 const u8 *ap;
2466 enum ieee80211_smps_mode old_req;
2467 int err;
2468
8d61ffa5 2469 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2470
687da132
EG		 2471 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2472 return -EINVAL;
2473
0f78231b
JB		 2474 old_req = sdata->u.mgd.req_smps;
2475 sdata->u.mgd.req_smps = smps_mode;
2476
2477 if (old_req == smps_mode &&
2478 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2479 return 0;
2480
2481 /*
2482 * If not associated, or current association is not an HT
04ecd257
JB		 2483 * association, there's no need to do anything, just store
2484 * the new value until we associate.
0f78231b
JB		 2485 */
2486 if (!sdata->u.mgd.associated ||
4bf88530 2487 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2488 return 0;
0f78231b 2489
0c1ad2ca 2490 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2491
2492 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2493 if (sdata->u.mgd.powersave)
2494 smps_mode = IEEE80211_SMPS_DYNAMIC;
2495 else
2496 smps_mode = IEEE80211_SMPS_OFF;
2497 }
2498
2499 /* send SM PS frame to AP */
2500 err = ieee80211_send_smps_action(sdata, smps_mode,
2501 ap, ap);
2502 if (err)
2503 sdata->u.mgd.req_smps = old_req;
2504
2505 return err;
2506}
2507
bc92afd9
JB		 2508static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2509 bool enabled, int timeout)
2510{
2511 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2512 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2513
ee1f6681
CYY		 2514 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2515 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2516 return -EOPNOTSUPP;
2517
bc92afd9
JB		 2518 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2519 return -EOPNOTSUPP;
2520
2521 if (enabled == sdata->u.mgd.powersave &&
ff616381 2522 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2523 return 0;
2524
2525 sdata->u.mgd.powersave = enabled;
ff616381 2526 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2527
0f78231b 2528 /* no change, but if automatic follow powersave */
ed405be5 2529 sdata_lock(sdata);
687da132 2530 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2531 sdata_unlock(sdata);
0f78231b 2532
bc92afd9
JB		 2533 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2534 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2535
2536 ieee80211_recalc_ps(local, -1);
ab095877 2537 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2538
2539 return 0;
2540}
2541
a97c13c3
JO		 2542static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2543 struct net_device *dev,
2544 s32 rssi_thold, u32 rssi_hyst)
2545{
2546 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2547 struct ieee80211_vif *vif = &sdata->vif;
2548 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2549
a97c13c3
JO		 2550 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2551 rssi_hyst == bss_conf->cqm_rssi_hyst)
2552 return 0;
2553
2554 bss_conf->cqm_rssi_thold = rssi_thold;
2555 bss_conf->cqm_rssi_hyst = rssi_hyst;
2556
2557 /* tell the driver upon association, unless already associated */
ea086359
JB		 2558 if (sdata->u.mgd.associated &&
2559 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2560 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2561
2562 return 0;
2563}
2564
9930380f
JB		 2565static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2566 struct net_device *dev,
2567 const u8 *addr,
2568 const struct cfg80211_bitrate_mask *mask)
2569{
2570 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2571 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2572 int i, ret;
2c7e6bc9 2573
554a43d5
EP		 2574 if (!ieee80211_sdata_running(sdata))
2575 return -ENETDOWN;
2576
bdbfd6b5
SM		 2577 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2578 ret = drv_set_bitrate_mask(local, sdata, mask);
2579 if (ret)
2580 return ret;
2581 }
9930380f 2582
19468413 2583 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2584 struct ieee80211_supported_band *sband = wiphy->bands[i];
2585 int j;
2586
37eb0b16 2587 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2588 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2589 sizeof(mask->control[i].mcs));
2ffbe6d3
FF		 2590
2591 sdata->rc_has_mcs_mask[i] = false;
2592 if (!sband)
2593 continue;
2594
2595 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2596 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2597 sdata->rc_has_mcs_mask[i] = true;
2598 break;
2599 }
19468413 2600 }
9930380f 2601
37eb0b16 2602 return 0;
9930380f
JB		 2603}
2604
2eb278e0
JB		 2605static int ieee80211_start_roc_work(struct ieee80211_local *local,
2606 struct ieee80211_sub_if_data *sdata,
2607 struct ieee80211_channel *channel,
2eb278e0 2608 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2609 struct sk_buff *txskb,
2610 enum ieee80211_roc_type type)
2eb278e0
JB		 2611{
2612 struct ieee80211_roc_work *roc, *tmp;
2613 bool queued = false;
21f83589 2614 int ret;
21f83589
JB		 2615
2616 lockdep_assert_held(&local->mtx);
2617
fe57d9f5
JB		 2618 if (local->use_chanctx && !local->ops->remain_on_channel)
2619 return -EOPNOTSUPP;
2620
2eb278e0
JB		 2621 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2622 if (!roc)
2623 return -ENOMEM;
2624
2625 roc->chan = channel;
2eb278e0
JB		 2626 roc->duration = duration;
2627 roc->req_duration = duration;
2628 roc->frame = txskb;
d339d5ca 2629 roc->type = type;
2eb278e0
JB		 2630 roc->mgmt_tx_cookie = (unsigned long)txskb;
2631 roc->sdata = sdata;
2632 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2633 INIT_LIST_HEAD(&roc->dependents);
2634
2635 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2636 if (!list_empty(&local->roc_list) ||
2637 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2638 goto out_check_combine;
2639
2640 /* if not HW assist, just queue & schedule work */
2641 if (!local->ops->remain_on_channel) {
2642 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2643 goto out_queue;
2644 }
2645
2646 /* otherwise actually kick it off here (for error handling) */
2647
2648 /*
2649 * If the duration is zero, then the driver
2650 * wouldn't actually do anything. Set it to
2651 * 10 for now.
2652 *
2653 * TODO: cancel the off-channel operation
2654 * when we get the SKB's TX status and
2655 * the wait time was zero before.
2656 */
2657 if (!duration)
2658 duration = 10;
2659
d339d5ca 2660 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2661 if (ret) {
2eb278e0
JB		 2662 kfree(roc);
2663 return ret;
21f83589
JB		 2664 }
2665
2eb278e0
JB		 2666 roc->started = true;
2667 goto out_queue;
2668
2669 out_check_combine:
2670 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2671 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2672 continue;
2673
2674 /*
2675 * Extend this ROC if possible:
2676 *
2677 * If it hasn't started yet, just increase the duration
2678 * and add the new one to the list of dependents.
d339d5ca
IP		 2679 * If the type of the new ROC has higher priority, modify the
2680 * type of the previous one to match that of the new one.
2eb278e0
JB		 2681 */
2682 if (!tmp->started) {
2683 list_add_tail(&roc->list, &tmp->dependents);
2684 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2685 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2686 queued = true;
2687 break;
2688 }
2689
2690 /* If it has already started, it's more difficult ... */
2691 if (local->ops->remain_on_channel) {
2692 unsigned long j = jiffies;
2693
2694 /*
2695 * In the offloaded ROC case, if it hasn't begun, add
2696 * this new one to the dependent list to be handled
d339d5ca 2697 * when the master one begins. If it has begun,
2eb278e0
JB		 2698 * check that there's still a minimum time left and
2699 * if so, start this one, transmitting the frame, but
d339d5ca 2700 * add it to the list directly after this one with
2eb278e0
JB		 2701 * a reduced time so we'll ask the driver to execute
2702 * it right after finishing the previous one, in the
2703 * hope that it'll also be executed right afterwards,
2704 * effectively extending the old one.
2705 * If there's no minimum time left, just add it to the
2706 * normal list.
d339d5ca
IP		 2707 * TODO: the ROC type is ignored here, assuming that it
2708 * is better to immediately use the current ROC.
2eb278e0
JB		 2709 */
2710 if (!tmp->hw_begun) {
2711 list_add_tail(&roc->list, &tmp->dependents);
2712 queued = true;
2713 break;
2714 }
2715
2716 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2717 tmp->hw_start_time +
2718 msecs_to_jiffies(tmp->duration))) {
2719 int new_dur;
2720
2721 ieee80211_handle_roc_started(roc);
2722
2723 new_dur = roc->duration -
2724 jiffies_to_msecs(tmp->hw_start_time +
2725 msecs_to_jiffies(
2726 tmp->duration) -
2727 j);
2728
2729 if (new_dur > 0) {
2730 /* add right after tmp */
2731 list_add(&roc->list, &tmp->list);
2732 } else {
2733 list_add_tail(&roc->list,
2734 &tmp->dependents);
2735 }
2736 queued = true;
2737 }
2738 } else if (del_timer_sync(&tmp->work.timer)) {
2739 unsigned long new_end;
2740
2741 /*
2742 * In the software ROC case, cancel the timer, if
2743 * that fails then the finish work is already
2744 * queued/pending and thus we queue the new ROC
2745 * normally, if that succeeds then we can extend
2746 * the timer duration and TX the frame (if any.)
2747 */
2748
2749 list_add_tail(&roc->list, &tmp->dependents);
2750 queued = true;
2751
2752 new_end = jiffies + msecs_to_jiffies(roc->duration);
2753
2754 /* ok, it was started & we canceled timer */
2755 if (time_after(new_end, tmp->work.timer.expires))
2756 mod_timer(&tmp->work.timer, new_end);
2757 else
2758 add_timer(&tmp->work.timer);
2759
2760 ieee80211_handle_roc_started(roc);
2761 }
2762 break;
2763 }
2764
2765 out_queue:
2766 if (!queued)
2767 list_add_tail(&roc->list, &local->roc_list);
2768
2769 /*
50febf6a 2770 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2771 * or the SKB (for mgmt TX)
2772 */
50febf6a
JB		 2773 if (!txskb) {
2774 /* local->mtx protects this */
2775 local->roc_cookie_counter++;
2776 roc->cookie = local->roc_cookie_counter;
2777 /* wow, you wrapped 64 bits ... more likely a bug */
2778 if (WARN_ON(roc->cookie == 0)) {
2779 roc->cookie = 1;
2780 local->roc_cookie_counter++;
2781 }
2782 *cookie = roc->cookie;
2783 } else {
2eb278e0 2784 *cookie = (unsigned long)txskb;
50febf6a 2785 }
2eb278e0
JB		 2786
2787 return 0;
21f83589
JB		 2788}
2789
b8bc4b0a 2790static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2791 struct wireless_dev *wdev,
b8bc4b0a 2792 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2793 unsigned int duration,
2794 u64 *cookie)
2795{
71bbc994 2796 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2797 struct ieee80211_local *local = sdata->local;
2eb278e0 2798 int ret;
21f83589 2799
2eb278e0 2800 mutex_lock(&local->mtx);
42d97a59 2801 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2802 duration, cookie, NULL,
2803 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2804 mutex_unlock(&local->mtx);
b8bc4b0a 2805
2eb278e0 2806 return ret;
b8bc4b0a
JB		 2807}
2808
2eb278e0
JB		 2809static int ieee80211_cancel_roc(struct ieee80211_local *local,
2810 u64 cookie, bool mgmt_tx)
21f83589 2811{
2eb278e0 2812 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2813 int ret;
2814
2eb278e0
JB		 2815 mutex_lock(&local->mtx);
2816 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2817 struct ieee80211_roc_work *dep, *tmp2;
2818
2819 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2820 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2821 continue;
2822 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2823 continue;
2824 /* found dependent item -- just remove it */
2825 list_del(&dep->list);
2826 mutex_unlock(&local->mtx);
2827
3fbd45ca 2828 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2829 return 0;
2830 }
2831
50febf6a 2832 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2833 continue;
2834 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2835 continue;
21f83589 2836
2eb278e0
JB		 2837 found = roc;
2838 break;
2839 }
21f83589 2840
2eb278e0
JB		 2841 if (!found) {
2842 mutex_unlock(&local->mtx);
2843 return -ENOENT;
2844 }
21f83589 2845
e979e33c
JB		 2846 /*
2847 * We found the item to cancel, so do that. Note that it
2848 * may have dependents, which we also cancel (and send
2849 * the expired signal for.) Not doing so would be quite
2850 * tricky here, but we may need to fix it later.
2851 */
2852
2eb278e0
JB		 2853 if (local->ops->remain_on_channel) {
2854 if (found->started) {
2855 ret = drv_cancel_remain_on_channel(local);
2856 if (WARN_ON_ONCE(ret)) {
2857 mutex_unlock(&local->mtx);
2858 return ret;
2859 }
2860 }
21f83589 2861
2eb278e0 2862 list_del(&found->list);
21f83589 2863
0f6b3f59
JB		 2864 if (found->started)
2865 ieee80211_start_next_roc(local);
2eb278e0 2866 mutex_unlock(&local->mtx);
21f83589 2867
3fbd45ca 2868 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2869 } else {
2870 /* work may be pending so use it all the time */
2871 found->abort = true;
2872 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2873
21f83589
JB		 2874 mutex_unlock(&local->mtx);
2875
2eb278e0
JB		 2876 /* work will clean up etc */
2877 flush_delayed_work(&found->work);
3fbd45ca
JB		 2878 WARN_ON(!found->to_be_freed);
2879 kfree(found);
21f83589 2880 }
b8bc4b0a 2881
2eb278e0 2882 return 0;
b8bc4b0a
JB		 2883}
2884
2eb278e0 2885static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2886 struct wireless_dev *wdev,
2eb278e0 2887 u64 cookie)
f30221e4 2888{
71bbc994 2889 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2890 struct ieee80211_local *local = sdata->local;
f30221e4 2891
2eb278e0 2892 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2893}
2894
164eb02d
SW		 2895static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2896 struct net_device *dev,
2897 struct cfg80211_chan_def *chandef)
2898{
2899 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2900 struct ieee80211_local *local = sdata->local;
2901 unsigned long timeout;
2902 int err;
2903
2904 if (!list_empty(&local->roc_list) || local->scanning)
2905 return -EBUSY;
2906
2907 /* whatever, but channel contexts should not complain about that one */
2908 sdata->smps_mode = IEEE80211_SMPS_OFF;
2909 sdata->needed_rx_chains = local->rx_chains;
2910 sdata->radar_required = true;
2911
2912 mutex_lock(&local->iflist_mtx);
2913 err = ieee80211_vif_use_channel(sdata, chandef,
2914 IEEE80211_CHANCTX_SHARED);
2915 mutex_unlock(&local->iflist_mtx);
2916 if (err)
2917 return err;
2918
2919 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2920 ieee80211_queue_delayed_work(&sdata->local->hw,
2921 &sdata->dfs_cac_timer_work, timeout);
2922
2923 return 0;
2924}
2925
73da7d5b
SW		 2926static struct cfg80211_beacon_data *
2927cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2928{
2929 struct cfg80211_beacon_data *new_beacon;
2930 u8 *pos;
2931 int len;
2932
2933 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2934 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2935 beacon->probe_resp_len;
2936
2937 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2938 if (!new_beacon)
2939 return NULL;
2940
2941 pos = (u8 *)(new_beacon + 1);
2942 if (beacon->head_len) {
2943 new_beacon->head_len = beacon->head_len;
2944 new_beacon->head = pos;
2945 memcpy(pos, beacon->head, beacon->head_len);
2946 pos += beacon->head_len;
2947 }
2948 if (beacon->tail_len) {
2949 new_beacon->tail_len = beacon->tail_len;
2950 new_beacon->tail = pos;
2951 memcpy(pos, beacon->tail, beacon->tail_len);
2952 pos += beacon->tail_len;
2953 }
2954 if (beacon->beacon_ies_len) {
2955 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2956 new_beacon->beacon_ies = pos;
2957 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2958 pos += beacon->beacon_ies_len;
2959 }
2960 if (beacon->proberesp_ies_len) {
2961 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2962 new_beacon->proberesp_ies = pos;
2963 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2964 pos += beacon->proberesp_ies_len;
2965 }
2966 if (beacon->assocresp_ies_len) {
2967 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2968 new_beacon->assocresp_ies = pos;
2969 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2970 pos += beacon->assocresp_ies_len;
2971 }
2972 if (beacon->probe_resp_len) {
2973 new_beacon->probe_resp_len = beacon->probe_resp_len;
2974 beacon->probe_resp = pos;
2975 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2976 pos += beacon->probe_resp_len;
2977 }
2978
2979 return new_beacon;
2980}
2981
2982void ieee80211_csa_finalize_work(struct work_struct *work)
2983{
2984 struct ieee80211_sub_if_data *sdata =
2985 container_of(work, struct ieee80211_sub_if_data,
2986 csa_finalize_work);
2987 struct ieee80211_local *local = sdata->local;
0951ebb8 2988 int err, changed = 0;
73da7d5b 2989
e487eaeb
SW		 2990 sdata_lock(sdata);
2991 /* AP might have been stopped while waiting for the lock. */
2992 if (!sdata->vif.csa_active)
2993 goto unlock;
2994
73da7d5b 2995 if (!ieee80211_sdata_running(sdata))
e487eaeb 2996 goto unlock;
73da7d5b 2997
73da7d5b 2998 sdata->radar_required = sdata->csa_radar_required;
33787fc4 2999 err = ieee80211_vif_change_channel(sdata, &changed);
73da7d5b 3000 if (WARN_ON(err < 0))
e487eaeb 3001 goto unlock;
73da7d5b 3002
7578d575 3003 if (!local->use_chanctx) {
33787fc4 3004 local->_oper_chandef = sdata->csa_chandef;
7578d575
AN		 3005 ieee80211_hw_config(local, 0);
3006 }
3007
cd7760e6 3008 ieee80211_bss_info_change_notify(sdata, changed);
73da7d5b 3009
e487eaeb 3010 sdata->vif.csa_active = false;
cd7760e6
SW		 3011 switch (sdata->vif.type) {
3012 case NL80211_IFTYPE_AP:
3013 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
3014 if (err < 0)
e487eaeb
SW		 3015 goto unlock;
3016
cd7760e6
SW		 3017 changed |= err;
3018 kfree(sdata->u.ap.next_beacon);
3019 sdata->u.ap.next_beacon = NULL;
3020
3021 ieee80211_bss_info_change_notify(sdata, err);
3022 break;
3023 case NL80211_IFTYPE_ADHOC:
3024 ieee80211_ibss_finish_csa(sdata);
3025 break;
b8456a14
CYY		 3026#ifdef CONFIG_MAC80211_MESH
3027 case NL80211_IFTYPE_MESH_POINT:
3028 err = ieee80211_mesh_finish_csa(sdata);
3029 if (err < 0)
e487eaeb 3030 goto unlock;
b8456a14
CYY		 3031 break;
3032#endif
cd7760e6
SW		 3033 default:
3034 WARN_ON(1);
e487eaeb 3035 goto unlock;
cd7760e6 3036 }
73da7d5b
SW		 3037
3038 ieee80211_wake_queues_by_reason(&sdata->local->hw,
3039 IEEE80211_MAX_QUEUE_MAP,
3040 IEEE80211_QUEUE_STOP_REASON_CSA);
3041
33787fc4 3042 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
e487eaeb
SW		 3043
3044unlock:
3045 sdata_unlock(sdata);
73da7d5b
SW		 3046}
3047
3048static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3049 struct cfg80211_csa_settings *params)
3050{
3051 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3052 struct ieee80211_local *local = sdata->local;
3053 struct ieee80211_chanctx_conf *chanctx_conf;
3054 struct ieee80211_chanctx *chanctx;
c6da674a 3055 struct ieee80211_if_mesh __maybe_unused *ifmsh;
73da7d5b
SW		 3056 int err, num_chanctx;
3057
7ca133bc
SW		 3058 lockdep_assert_held(&sdata->wdev.mtx);
3059
73da7d5b
SW		 3060 if (!list_empty(&local->roc_list) || local->scanning)
3061 return -EBUSY;
3062
3063 if (sdata->wdev.cac_started)
3064 return -EBUSY;
3065
3066 if (cfg80211_chandef_identical(&params->chandef,
3067 &sdata->vif.bss_conf.chandef))
3068 return -EINVAL;
3069
3070 rcu_read_lock();
3071 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3072 if (!chanctx_conf) {
3073 rcu_read_unlock();
3074 return -EBUSY;
3075 }
3076
3077 /* don't handle for multi-VIF cases */
3078 chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
3079 if (chanctx->refcount > 1) {
3080 rcu_read_unlock();
3081 return -EBUSY;
3082 }
3083 num_chanctx = 0;
3084 list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
3085 num_chanctx++;
3086 rcu_read_unlock();
3087
3088 if (num_chanctx > 1)
3089 return -EBUSY;
3090
3091 /* don't allow another channel switch if one is already active. */
3092 if (sdata->vif.csa_active)
3093 return -EBUSY;
3094
73da7d5b
SW		 3095 switch (sdata->vif.type) {
3096 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3097 sdata->csa_counter_offset_beacon =
3098 params->counter_offset_beacon;
3099 sdata->csa_counter_offset_presp = params->counter_offset_presp;
3100 sdata->u.ap.next_beacon =
3101 cfg80211_beacon_dup(&params->beacon_after);
3102 if (!sdata->u.ap.next_beacon)
3103 return -ENOMEM;
3104
3105 err = ieee80211_assign_beacon(sdata, &params->beacon_csa);
3106 if (err < 0) {
3107 kfree(sdata->u.ap.next_beacon);
3108 return err;
3109 }
3110 break;
3111 case NL80211_IFTYPE_ADHOC:
3112 if (!sdata->vif.bss_conf.ibss_joined)
3113 return -EINVAL;
3114
3115 if (params->chandef.width != sdata->u.ibss.chandef.width)
3116 return -EINVAL;
3117
3118 switch (params->chandef.width) {
3119 case NL80211_CHAN_WIDTH_40:
3120 if (cfg80211_get_chandef_type(&params->chandef) !=
3121 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3122 return -EINVAL;
3123 case NL80211_CHAN_WIDTH_5:
3124 case NL80211_CHAN_WIDTH_10:
3125 case NL80211_CHAN_WIDTH_20_NOHT:
3126 case NL80211_CHAN_WIDTH_20:
3127 break;
3128 default:
3129 return -EINVAL;
3130 }
3131
3132 /* changes into another band are not supported */
3133 if (sdata->u.ibss.chandef.chan->band !=
3134 params->chandef.chan->band)
3135 return -EINVAL;
3136
3137 err = ieee80211_ibss_csa_beacon(sdata, params);
3138 if (err < 0)
3139 return err;
73da7d5b 3140 break;
c6da674a
CYY		 3141#ifdef CONFIG_MAC80211_MESH
3142 case NL80211_IFTYPE_MESH_POINT:
3143 ifmsh = &sdata->u.mesh;
3144
3145 if (!ifmsh->mesh_id)
3146 return -EINVAL;
3147
3148 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3149 return -EINVAL;
3150
3151 /* changes into another band are not supported */
3152 if (sdata->vif.bss_conf.chandef.chan->band !=
3153 params->chandef.chan->band)
3154 return -EINVAL;
3155
b8456a14 3156 err = ieee80211_mesh_csa_beacon(sdata, params, true);
c6da674a
CYY		 3157 if (err < 0)
3158 return err;
3159 break;
3160#endif
73da7d5b
SW		 3161 default:
3162 return -EOPNOTSUPP;
3163 }
3164
73da7d5b
SW		 3165 sdata->csa_radar_required = params->radar_required;
3166
3167 if (params->block_tx)
3168 ieee80211_stop_queues_by_reason(&local->hw,
3169 IEEE80211_MAX_QUEUE_MAP,
3170 IEEE80211_QUEUE_STOP_REASON_CSA);
3171
33787fc4 3172 sdata->csa_chandef = params->chandef;
73da7d5b
SW		 3173 sdata->vif.csa_active = true;
3174
3175 ieee80211_bss_info_change_notify(sdata, err);
3176 drv_channel_switch_beacon(sdata, &params->chandef);
3177
3178 return 0;
3179}
3180
71bbc994 3181static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3182 struct cfg80211_mgmt_tx_params *params,
3183 u64 *cookie)
026331c4 3184{
71bbc994 3185 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3186 struct ieee80211_local *local = sdata->local;
3187 struct sk_buff *skb;
3188 struct sta_info *sta;
b176e629 3189 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3190 bool need_offchan = false;
e247bd90 3191 u32 flags;
2eb278e0 3192 int ret;
f7ca38df 3193
b176e629 3194 if (params->dont_wait_for_ack)
e247bd90
JB		 3195 flags = IEEE80211_TX_CTL_NO_ACK;
3196 else
3197 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3198 IEEE80211_TX_CTL_REQ_TX_STATUS;
3199
b176e629 3200 if (params->no_cck)
aad14ceb
RM		 3201 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3202
9d38d85d
JB		 3203 switch (sdata->vif.type) {
3204 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3205 if (!sdata->vif.bss_conf.ibss_joined)
3206 need_offchan = true;
3207 /* fall through */
3208#ifdef CONFIG_MAC80211_MESH
3209 case NL80211_IFTYPE_MESH_POINT:
3210 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3211 !sdata->u.mesh.mesh_id_len)
3212 need_offchan = true;
3213 /* fall through */
3214#endif
663fcafd
JB		 3215 case NL80211_IFTYPE_AP:
3216 case NL80211_IFTYPE_AP_VLAN:
3217 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3218 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3219 !ieee80211_vif_is_mesh(&sdata->vif) &&
3220 !rcu_access_pointer(sdata->bss->beacon))
3221 need_offchan = true;
663fcafd 3222 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3223 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3224 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3225 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3226 break;
3227 rcu_read_lock();
3228 sta = sta_info_get(sdata, mgmt->da);
3229 rcu_read_unlock();
3230 if (!sta)
3231 return -ENOLINK;
3232 break;
3233 case NL80211_IFTYPE_STATION:
663fcafd 3234 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3235 if (!sdata->u.mgd.associated)
3236 need_offchan = true;
9d38d85d 3237 break;
f142c6b9
JB		 3238 case NL80211_IFTYPE_P2P_DEVICE:
3239 need_offchan = true;
3240 break;
9d38d85d
JB		 3241 default:
3242 return -EOPNOTSUPP;
3243 }
3244
f7aeb6fb
AQ		 3245 /* configurations requiring offchan cannot work if no channel has been
3246 * specified
3247 */
b176e629 3248 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3249 return -EINVAL;
3250
2eb278e0
JB		 3251 mutex_lock(&local->mtx);
3252
3253 /* Check if the operating channel is the requested channel */
3254 if (!need_offchan) {
55de908a
JB		 3255 struct ieee80211_chanctx_conf *chanctx_conf;
3256
3257 rcu_read_lock();
3258 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3259
f7aeb6fb 3260 if (chanctx_conf) {
b176e629
AO		 3261 need_offchan = params->chan &&
3262 (params->chan !=
3263 chanctx_conf->def.chan);
3264 } else if (!params->chan) {
f7aeb6fb
AQ		 3265 ret = -EINVAL;
3266 rcu_read_unlock();
3267 goto out_unlock;
3268 } else {
2eb278e0 3269 need_offchan = true;
f7aeb6fb 3270 }
55de908a 3271 rcu_read_unlock();
2eb278e0
JB		 3272 }
3273
b176e629 3274 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3275 ret = -EBUSY;
3276 goto out_unlock;
3277 }
3278
b176e629 3279 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3280 if (!skb) {
3281 ret = -ENOMEM;
3282 goto out_unlock;
3283 }
9d38d85d
JB		 3284 skb_reserve(skb, local->hw.extra_tx_headroom);
3285
b176e629 3286 memcpy(skb_put(skb, params->len), params->buf, params->len);
9d38d85d
JB		 3287
3288 IEEE80211_SKB_CB(skb)->flags = flags;
3289
3290 skb->dev = sdata->dev;
9d38d85d 3291
2eb278e0 3292 if (!need_offchan) {
7f9f78ab 3293 *cookie = (unsigned long) skb;
f30221e4 3294 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3295 ret = 0;
3296 goto out_unlock;
f30221e4
JB		 3297 }
3298
6c17b77b
SF		 3299 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3300 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3301 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3302 IEEE80211_SKB_CB(skb)->hw_queue =
3303 local->hw.offchannel_tx_hw_queue;
f30221e4 3304
2eb278e0 3305 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3306 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3307 params->wait, cookie, skb,
d339d5ca 3308 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3309 if (ret)
3310 kfree_skb(skb);
3311 out_unlock:
3312 mutex_unlock(&local->mtx);
3313 return ret;
026331c4
JM		 3314}
3315
f30221e4 3316static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3317 struct wireless_dev *wdev,
f30221e4
JB		 3318 u64 cookie)
3319{
71bbc994 3320 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3321
2eb278e0 3322 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3323}
3324
7be5086d 3325static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3326 struct wireless_dev *wdev,
7be5086d
JB		 3327 u16 frame_type, bool reg)
3328{
3329 struct ieee80211_local *local = wiphy_priv(wiphy);
3330
6abe0563 3331 switch (frame_type) {
6abe0563
WH		 3332 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3333 if (reg)
3334 local->probe_req_reg++;
3335 else
3336 local->probe_req_reg--;
7be5086d 3337
35f5149e
FF		 3338 if (!local->open_count)
3339 break;
3340
6abe0563
WH		 3341 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3342 break;
3343 default:
3344 break;
3345 }
7be5086d
JB		 3346}
3347
15d96753
BR		 3348static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3349{
3350 struct ieee80211_local *local = wiphy_priv(wiphy);
3351
3352 if (local->started)
3353 return -EOPNOTSUPP;
3354
3355 return drv_set_antenna(local, tx_ant, rx_ant);
3356}
3357
3358static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3359{
3360 struct ieee80211_local *local = wiphy_priv(wiphy);
3361
3362 return drv_get_antenna(local, tx_ant, rx_ant);
3363}
3364
38c09159
JL		 3365static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
3366{
3367 struct ieee80211_local *local = wiphy_priv(wiphy);
3368
3369 return drv_set_ringparam(local, tx, rx);
3370}
3371
3372static void ieee80211_get_ringparam(struct wiphy *wiphy,
3373 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
3374{
3375 struct ieee80211_local *local = wiphy_priv(wiphy);
3376
3377 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
3378}
3379
c68f4b89
JB		 3380static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3381 struct net_device *dev,
3382 struct cfg80211_gtk_rekey_data *data)
3383{
3384 struct ieee80211_local *local = wiphy_priv(wiphy);
3385 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3386
3387 if (!local->ops->set_rekey_data)
3388 return -EOPNOTSUPP;
3389
3390 drv_set_rekey_data(local, sdata, data);
3391
3392 return 0;
3393}
3394
dfe018bf
AN		 3395static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
3396{
3397 u8 *pos = (void *)skb_put(skb, 7);
3398
3399 *pos++ = WLAN_EID_EXT_CAPABILITY;
3400 *pos++ = 5; /* len */
3401 *pos++ = 0x0;
3402 *pos++ = 0x0;
3403 *pos++ = 0x0;
3404 *pos++ = 0x0;
3405 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
3406}
3407
3408static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
3409{
3410 struct ieee80211_local *local = sdata->local;
3411 u16 capab;
3412
3413 capab = 0;
55de908a 3414 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 3415 return capab;
3416
3417 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3418 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3419 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3420 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3421
3422 return capab;
3423}
3424
3425static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3426 u8 *peer, u8 *bssid)
3427{
3428 struct ieee80211_tdls_lnkie *lnkid;
3429
3430 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3431
3432 lnkid->ie_type = WLAN_EID_LINK_ID;
3433 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3434
3435 memcpy(lnkid->bssid, bssid, ETH_ALEN);
3436 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3437 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3438}
3439
3440static int
3441ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3442 u8 *peer, u8 action_code, u8 dialog_token,
3443 u16 status_code, struct sk_buff *skb)
3444{
3445 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3446 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3447 struct ieee80211_tdls_data *tf;
3448
3449 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3450
3451 memcpy(tf->da, peer, ETH_ALEN);
3452 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3453 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3454 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3455
3456 switch (action_code) {
3457 case WLAN_TDLS_SETUP_REQUEST:
3458 tf->category = WLAN_CATEGORY_TDLS;
3459 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3460
3461 skb_put(skb, sizeof(tf->u.setup_req));
3462 tf->u.setup_req.dialog_token = dialog_token;
3463 tf->u.setup_req.capability =
3464 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3465
55de908a
JB		 3466 ieee80211_add_srates_ie(sdata, skb, false, band);
3467 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3468 ieee80211_tdls_add_ext_capab(skb);
3469 break;
3470 case WLAN_TDLS_SETUP_RESPONSE:
3471 tf->category = WLAN_CATEGORY_TDLS;
3472 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3473
3474 skb_put(skb, sizeof(tf->u.setup_resp));
3475 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3476 tf->u.setup_resp.dialog_token = dialog_token;
3477 tf->u.setup_resp.capability =
3478 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3479
55de908a
JB		 3480 ieee80211_add_srates_ie(sdata, skb, false, band);
3481 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3482 ieee80211_tdls_add_ext_capab(skb);
3483 break;
3484 case WLAN_TDLS_SETUP_CONFIRM:
3485 tf->category = WLAN_CATEGORY_TDLS;
3486 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3487
3488 skb_put(skb, sizeof(tf->u.setup_cfm));
3489 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3490 tf->u.setup_cfm.dialog_token = dialog_token;
3491 break;
3492 case WLAN_TDLS_TEARDOWN:
3493 tf->category = WLAN_CATEGORY_TDLS;
3494 tf->action_code = WLAN_TDLS_TEARDOWN;
3495
3496 skb_put(skb, sizeof(tf->u.teardown));
3497 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3498 break;
3499 case WLAN_TDLS_DISCOVERY_REQUEST:
3500 tf->category = WLAN_CATEGORY_TDLS;
3501 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3502
3503 skb_put(skb, sizeof(tf->u.discover_req));
3504 tf->u.discover_req.dialog_token = dialog_token;
3505 break;
3506 default:
3507 return -EINVAL;
3508 }
3509
3510 return 0;
3511}
3512
3513static int
3514ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3515 u8 *peer, u8 action_code, u8 dialog_token,
3516 u16 status_code, struct sk_buff *skb)
3517{
3518 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3519 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3520 struct ieee80211_mgmt *mgmt;
3521
3522 mgmt = (void *)skb_put(skb, 24);
3523 memset(mgmt, 0, 24);
3524 memcpy(mgmt->da, peer, ETH_ALEN);
3525 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3526 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3527
3528 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3529 IEEE80211_STYPE_ACTION);
3530
3531 switch (action_code) {
3532 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3533 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3534 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3535 mgmt->u.action.u.tdls_discover_resp.action_code =
3536 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3537 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3538 dialog_token;
3539 mgmt->u.action.u.tdls_discover_resp.capability =
3540 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3541
55de908a
JB		 3542 ieee80211_add_srates_ie(sdata, skb, false, band);
3543 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3544 ieee80211_tdls_add_ext_capab(skb);
3545 break;
3546 default:
3547 return -EINVAL;
3548 }
3549
3550 return 0;
3551}
3552
3553static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3554 u8 *peer, u8 action_code, u8 dialog_token,
3555 u16 status_code, const u8 *extra_ies,
3556 size_t extra_ies_len)
3557{
3558 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3559 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3560 struct sk_buff *skb = NULL;
3561 bool send_direct;
3562 int ret;
3563
3564 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3565 return -ENOTSUPP;
3566
3567 /* make sure we are in managed mode, and associated */
3568 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3569 !sdata->u.mgd.associated)
3570 return -EINVAL;
3571
bdcbd8e0
JB		 3572 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3573 action_code, peer);
dfe018bf
AN		 3574
3575 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3576 max(sizeof(struct ieee80211_mgmt),
3577 sizeof(struct ieee80211_tdls_data)) +
3578 50 + /* supported rates */
3579 7 + /* ext capab */
3580 extra_ies_len +
3581 sizeof(struct ieee80211_tdls_lnkie));
3582 if (!skb)
3583 return -ENOMEM;
3584
dfe018bf
AN		 3585 skb_reserve(skb, local->hw.extra_tx_headroom);
3586
3587 switch (action_code) {
3588 case WLAN_TDLS_SETUP_REQUEST:
3589 case WLAN_TDLS_SETUP_RESPONSE:
3590 case WLAN_TDLS_SETUP_CONFIRM:
3591 case WLAN_TDLS_TEARDOWN:
3592 case WLAN_TDLS_DISCOVERY_REQUEST:
3593 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3594 action_code, dialog_token,
3595 status_code, skb);
3596 send_direct = false;
3597 break;
3598 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3599 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3600 dialog_token, status_code,
3601 skb);
3602 send_direct = true;
3603 break;
3604 default:
3605 ret = -ENOTSUPP;
3606 break;
3607 }
3608
3609 if (ret < 0)
3610 goto fail;
3611
3612 if (extra_ies_len)
3613 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3614
3615 /* the TDLS link IE is always added last */
3616 switch (action_code) {
3617 case WLAN_TDLS_SETUP_REQUEST:
3618 case WLAN_TDLS_SETUP_CONFIRM:
3619 case WLAN_TDLS_TEARDOWN:
3620 case WLAN_TDLS_DISCOVERY_REQUEST:
3621 /* we are the initiator */
3622 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3623 sdata->u.mgd.bssid);
3624 break;
3625 case WLAN_TDLS_SETUP_RESPONSE:
3626 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3627 /* we are the responder */
3628 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3629 sdata->u.mgd.bssid);
3630 break;
3631 default:
3632 ret = -ENOTSUPP;
3633 goto fail;
3634 }
3635
3636 if (send_direct) {
3637 ieee80211_tx_skb(sdata, skb);
3638 return 0;
3639 }
3640
3641 /*
3642 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3643 * we should default to AC_VI.
3644 */
3645 switch (action_code) {
3646 case WLAN_TDLS_SETUP_REQUEST:
3647 case WLAN_TDLS_SETUP_RESPONSE:
3648 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3649 skb->priority = 2;
3650 break;
3651 default:
3652 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3653 skb->priority = 5;
3654 break;
3655 }
3656
3657 /* disable bottom halves when entering the Tx path */
3658 local_bh_disable();
3659 ret = ieee80211_subif_start_xmit(skb, dev);
3660 local_bh_enable();
3661
3662 return ret;
3663
3664fail:
3665 dev_kfree_skb(skb);
3666 return ret;
3667}
3668
3669static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3670 u8 *peer, enum nl80211_tdls_operation oper)
3671{
941c93cd 3672 struct sta_info *sta;
dfe018bf
AN		 3673 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3674
3675 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3676 return -ENOTSUPP;
3677
3678 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3679 return -EINVAL;
3680
bdcbd8e0 3681 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3682
3683 switch (oper) {
3684 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3685 rcu_read_lock();
3686 sta = sta_info_get(sdata, peer);
3687 if (!sta) {
3688 rcu_read_unlock();
3689 return -ENOLINK;
3690 }
3691
c2c98fde 3692 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3693 rcu_read_unlock();
dfe018bf
AN		 3694 break;
3695 case NL80211_TDLS_DISABLE_LINK:
3696 return sta_info_destroy_addr(sdata, peer);
3697 case NL80211_TDLS_TEARDOWN:
3698 case NL80211_TDLS_SETUP:
3699 case NL80211_TDLS_DISCOVERY_REQ:
3700 /* We don't support in-driver setup/teardown/discovery */
3701 return -ENOTSUPP;
3702 default:
3703 return -ENOTSUPP;
3704 }
3705
3706 return 0;
3707}
3708
06500736
JB		 3709static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3710 const u8 *peer, u64 *cookie)
3711{
3712 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3713 struct ieee80211_local *local = sdata->local;
3714 struct ieee80211_qos_hdr *nullfunc;
3715 struct sk_buff *skb;
3716 int size = sizeof(*nullfunc);
3717 __le16 fc;
3718 bool qos;
3719 struct ieee80211_tx_info *info;
3720 struct sta_info *sta;
55de908a
JB		 3721 struct ieee80211_chanctx_conf *chanctx_conf;
3722 enum ieee80211_band band;
06500736
JB		 3723
3724 rcu_read_lock();
55de908a
JB		 3725 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3726 if (WARN_ON(!chanctx_conf)) {
3727 rcu_read_unlock();
3728 return -EINVAL;
3729 }
4bf88530 3730 band = chanctx_conf->def.chan->band;
03bb7f42 3731 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3732 if (sta) {
06500736 3733 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3734 } else {
3735 rcu_read_unlock();
06500736 3736 return -ENOLINK;
b4487c2d 3737 }
06500736
JB		 3738
3739 if (qos) {
3740 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3741 IEEE80211_STYPE_QOS_NULLFUNC |
3742 IEEE80211_FCTL_FROMDS);
3743 } else {
3744 size -= 2;
3745 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3746 IEEE80211_STYPE_NULLFUNC |
3747 IEEE80211_FCTL_FROMDS);
3748 }
3749
3750 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3751 if (!skb) {
3752 rcu_read_unlock();
06500736 3753 return -ENOMEM;
55de908a 3754 }
06500736
JB		 3755
3756 skb->dev = dev;
3757
3758 skb_reserve(skb, local->hw.extra_tx_headroom);
3759
3760 nullfunc = (void *) skb_put(skb, size);
3761 nullfunc->frame_control = fc;
3762 nullfunc->duration_id = 0;
3763 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3764 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3765 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3766 nullfunc->seq_ctrl = 0;
3767
3768 info = IEEE80211_SKB_CB(skb);
3769
3770 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3771 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3772
3773 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3774 skb->priority = 7;
3775 if (qos)
3776 nullfunc->qos_ctrl = cpu_to_le16(7);
3777
3778 local_bh_disable();
55de908a 3779 ieee80211_xmit(sdata, skb, band);
06500736 3780 local_bh_enable();
55de908a 3781 rcu_read_unlock();
06500736
JB		 3782
3783 *cookie = (unsigned long) skb;
3784 return 0;
3785}
3786
683b6d3b
JB		 3787static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3788 struct wireless_dev *wdev,
3789 struct cfg80211_chan_def *chandef)
5b7ccaf3 3790{
55de908a 3791 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3792 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3793 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3794 int ret = -ENODATA;
55de908a
JB		 3795
3796 rcu_read_lock();
feda3027
JB		 3797 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3798 if (chanctx_conf) {
3799 *chandef = chanctx_conf->def;
3800 ret = 0;
3801 } else if (local->open_count > 0 &&
3802 local->open_count == local->monitors &&
3803 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3804 if (local->use_chanctx)
3805 *chandef = local->monitor_chandef;
3806 else
675a0b04 3807 *chandef = local->_oper_chandef;
683b6d3b 3808 ret = 0;
55de908a
JB		 3809 }
3810 rcu_read_unlock();
5b7ccaf3 3811
683b6d3b 3812 return ret;
5b7ccaf3
JB		 3813}
3814
6d52563f
JB		 3815#ifdef CONFIG_PM
3816static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3817{
3818 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3819}
3820#endif
3821
f0706e82
JB		 3822struct cfg80211_ops mac80211_config_ops = {
3823 .add_virtual_intf = ieee80211_add_iface,
3824 .del_virtual_intf = ieee80211_del_iface,
42613db7 3825 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3826 .start_p2p_device = ieee80211_start_p2p_device,
3827 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3828 .add_key = ieee80211_add_key,
3829 .del_key = ieee80211_del_key,
62da92fb 3830 .get_key = ieee80211_get_key,
e8cbb4cb 3831 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3832 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3833 .start_ap = ieee80211_start_ap,
3834 .change_beacon = ieee80211_change_beacon,
3835 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3836 .add_station = ieee80211_add_station,
3837 .del_station = ieee80211_del_station,
3838 .change_station = ieee80211_change_station,
7bbdd2d9 3839 .get_station = ieee80211_get_station,
c5dd9c2b 3840 .dump_station = ieee80211_dump_station,
1289723e 3841 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3842#ifdef CONFIG_MAC80211_MESH
3843 .add_mpath = ieee80211_add_mpath,
3844 .del_mpath = ieee80211_del_mpath,
3845 .change_mpath = ieee80211_change_mpath,
3846 .get_mpath = ieee80211_get_mpath,
3847 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3848 .update_mesh_config = ieee80211_update_mesh_config,
3849 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3850 .join_mesh = ieee80211_join_mesh,
3851 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3852#endif
9f1ba906 3853 .change_bss = ieee80211_change_bss,
31888487 3854 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3855 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3856 .suspend = ieee80211_suspend,
3857 .resume = ieee80211_resume,
2a519311 3858 .scan = ieee80211_scan,
79f460ca
LC		 3859 .sched_scan_start = ieee80211_sched_scan_start,
3860 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3861 .auth = ieee80211_auth,
3862 .assoc = ieee80211_assoc,
3863 .deauth = ieee80211_deauth,
3864 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3865 .join_ibss = ieee80211_join_ibss,
3866 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3867 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3868 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3869 .set_tx_power = ieee80211_set_tx_power,
3870 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3871 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3872 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3873 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3874 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3875 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3876 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3877 .remain_on_channel = ieee80211_remain_on_channel,
3878 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3879 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3880 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3881 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3882 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3883 .set_antenna = ieee80211_set_antenna,
3884 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3885 .set_ringparam = ieee80211_set_ringparam,
3886 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3887 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3888 .tdls_oper = ieee80211_tdls_oper,
3889 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3890 .probe_client = ieee80211_probe_client,
b53be792 3891 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3892#ifdef CONFIG_PM
3893 .set_wakeup = ieee80211_set_wakeup,
3894#endif
b1ab7925
BG		 3895 .get_et_sset_count = ieee80211_get_et_sset_count,
3896 .get_et_stats = ieee80211_get_et_stats,
3897 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3898 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3899 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3900 .channel_switch = ieee80211_channel_switch,
f0706e82 3901};
Linux 6.x block layer and io_uring tree(s)