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mac80211: mark local variable __maybe_unused
[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{
b6a55015
LC		 112 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
113 int ret;
114
115 mutex_lock(&sdata->local->chanctx_mtx);
116 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
117 mutex_unlock(&sdata->local->chanctx_mtx);
118 if (ret < 0)
119 return ret;
120
f142c6b9
JB		 121 return ieee80211_do_open(wdev, true);
122}
123
124static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
125 struct wireless_dev *wdev)
126{
127 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
128}
129
b53be792
SW		 130static int ieee80211_set_noack_map(struct wiphy *wiphy,
131 struct net_device *dev,
132 u16 noack_map)
133{
134 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
135
136 sdata->noack_map = noack_map;
137 return 0;
138}
139
e8cbb4cb 140static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 141 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 142 struct key_params *params)
143{
26a58456 144 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 145 struct ieee80211_local *local = sdata->local;
e8cbb4cb 146 struct sta_info *sta = NULL;
2475b1cc 147 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 148 struct ieee80211_key *key;
3b96766f 149 int err;
e8cbb4cb 150
26a58456 151 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 152 return -ENETDOWN;
153
97359d12 154 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 155 switch (params->cipher) {
156 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 157 case WLAN_CIPHER_SUITE_TKIP:
97359d12 158 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 159 if (IS_ERR(local->wep_tx_tfm))
97359d12 160 return -EINVAL;
3cfcf6ac 161 break;
2475b1cc
MS		 162 case WLAN_CIPHER_SUITE_CCMP:
163 case WLAN_CIPHER_SUITE_AES_CMAC:
164 case WLAN_CIPHER_SUITE_GCMP:
165 break;
e8cbb4cb 166 default:
2475b1cc 167 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 168 break;
e8cbb4cb
JB		 169 }
170
97359d12 171 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 172 params->key, params->seq_len, params->seq,
173 cs);
1ac62ba7
BH		 174 if (IS_ERR(key))
175 return PTR_ERR(key);
db4d1169 176
e31b8213
JB		 177 if (pairwise)
178 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
179
2475b1cc 180 mutex_lock(&local->sta_mtx);
3b96766f 181
e8cbb4cb 182 if (mac_addr) {
ff973af7
TP		 183 if (ieee80211_vif_is_mesh(&sdata->vif))
184 sta = sta_info_get(sdata, mac_addr);
185 else
186 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 187 /*
188 * The ASSOC test makes sure the driver is ready to
189 * receive the key. When wpa_supplicant has roamed
190 * using FT, it attempts to set the key before
191 * association has completed, this rejects that attempt
192 * so it will set the key again after assocation.
193 *
194 * TODO: accept the key if we have a station entry and
195 * add it to the device after the station.
196 */
197 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 198 ieee80211_key_free_unused(key);
3b96766f
JB		 199 err = -ENOENT;
200 goto out_unlock;
db4d1169 201 }
e8cbb4cb
JB		 202 }
203
e548c49e
JB		 204 switch (sdata->vif.type) {
205 case NL80211_IFTYPE_STATION:
206 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
207 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
208 break;
209 case NL80211_IFTYPE_AP:
210 case NL80211_IFTYPE_AP_VLAN:
211 /* Keys without a station are used for TX only */
212 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
213 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
214 break;
215 case NL80211_IFTYPE_ADHOC:
216 /* no MFP (yet) */
217 break;
218 case NL80211_IFTYPE_MESH_POINT:
219#ifdef CONFIG_MAC80211_MESH
220 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
221 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
222 break;
223#endif
224 case NL80211_IFTYPE_WDS:
225 case NL80211_IFTYPE_MONITOR:
226 case NL80211_IFTYPE_P2P_DEVICE:
227 case NL80211_IFTYPE_UNSPECIFIED:
228 case NUM_NL80211_IFTYPES:
229 case NL80211_IFTYPE_P2P_CLIENT:
230 case NL80211_IFTYPE_P2P_GO:
231 /* shouldn't happen */
232 WARN_ON_ONCE(1);
233 break;
234 }
235
2475b1cc
MS		 236 if (sta)
237 sta->cipher_scheme = cs;
238
3ffc2a90 239 err = ieee80211_key_link(key, sdata, sta);
db4d1169 240
3b96766f 241 out_unlock:
2475b1cc 242 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 243
244 return err;
e8cbb4cb
JB		 245}
246
247static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 248 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 249{
5c0c3641
JB		 250 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
251 struct ieee80211_local *local = sdata->local;
e8cbb4cb 252 struct sta_info *sta;
5c0c3641 253 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 254 int ret;
255
5c0c3641
JB		 256 mutex_lock(&local->sta_mtx);
257 mutex_lock(&local->key_mtx);
3b96766f 258
e8cbb4cb 259 if (mac_addr) {
3b96766f
JB		 260 ret = -ENOENT;
261
0e5ded5a 262 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 263 if (!sta)
3b96766f 264 goto out_unlock;
e8cbb4cb 265
5c0c3641 266 if (pairwise)
2475b1cc 267 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 268 else
40b275b6 269 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 270 } else
40b275b6 271 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 272
5c0c3641 273 if (!key) {
3b96766f
JB		 274 ret = -ENOENT;
275 goto out_unlock;
276 }
e8cbb4cb 277
3b8d9c29 278 ieee80211_key_free(key, true);
e8cbb4cb 279
3b96766f
JB		 280 ret = 0;
281 out_unlock:
5c0c3641
JB		 282 mutex_unlock(&local->key_mtx);
283 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 284
285 return ret;
e8cbb4cb
JB		 286}
287
62da92fb 288static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 289 u8 key_idx, bool pairwise, const u8 *mac_addr,
290 void *cookie,
62da92fb
JB		 291 void (*callback)(void *cookie,
292 struct key_params *params))
293{
14db74bc 294 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 295 struct sta_info *sta = NULL;
296 u8 seq[6] = {0};
297 struct key_params params;
e31b8213 298 struct ieee80211_key *key = NULL;
aba83a0b 299 u64 pn64;
62da92fb
JB		 300 u32 iv32;
301 u16 iv16;
302 int err = -ENOENT;
303
14db74bc
JB		 304 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
305
3b96766f
JB		 306 rcu_read_lock();
307
62da92fb 308 if (mac_addr) {
0e5ded5a 309 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 310 if (!sta)
311 goto out;
312
354e159d 313 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 314 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 315 else if (!pairwise &&
316 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 317 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 318 } else
a3836e02 319 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 320
321 if (!key)
322 goto out;
323
324 memset(&params, 0, sizeof(params));
325
97359d12 326 params.cipher = key->conf.cipher;
62da92fb 327
97359d12
JB		 328 switch (key->conf.cipher) {
329 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 330 iv32 = key->u.tkip.tx.iv32;
331 iv16 = key->u.tkip.tx.iv16;
62da92fb 332
24487981
JB		 333 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
334 drv_get_tkip_seq(sdata->local,
335 key->conf.hw_key_idx,
336 &iv32, &iv16);
62da92fb
JB		 337
338 seq[0] = iv16 & 0xff;
339 seq[1] = (iv16 >> 8) & 0xff;
340 seq[2] = iv32 & 0xff;
341 seq[3] = (iv32 >> 8) & 0xff;
342 seq[4] = (iv32 >> 16) & 0xff;
343 seq[5] = (iv32 >> 24) & 0xff;
344 params.seq = seq;
345 params.seq_len = 6;
346 break;
97359d12 347 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 348 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
349 seq[0] = pn64;
350 seq[1] = pn64 >> 8;
351 seq[2] = pn64 >> 16;
352 seq[3] = pn64 >> 24;
353 seq[4] = pn64 >> 32;
354 seq[5] = pn64 >> 40;
62da92fb
JB		 355 params.seq = seq;
356 params.seq_len = 6;
357 break;
97359d12 358 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 359 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
360 seq[0] = pn64;
361 seq[1] = pn64 >> 8;
362 seq[2] = pn64 >> 16;
363 seq[3] = pn64 >> 24;
364 seq[4] = pn64 >> 32;
365 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 366 params.seq = seq;
367 params.seq_len = 6;
368 break;
62da92fb
JB		 369 }
370
371 params.key = key->conf.key;
372 params.key_len = key->conf.keylen;
373
374 callback(cookie, &params);
375 err = 0;
376
377 out:
3b96766f 378 rcu_read_unlock();
62da92fb
JB		 379 return err;
380}
381
e8cbb4cb
JB		 382static int ieee80211_config_default_key(struct wiphy *wiphy,
383 struct net_device *dev,
dbd2fd65
JB		 384 u8 key_idx, bool uni,
385 bool multi)
e8cbb4cb 386{
ad0e2b5a 387 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 388
f7e0104c 389 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 390
391 return 0;
392}
393
3cfcf6ac
JM		 394static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
395 struct net_device *dev,
396 u8 key_idx)
397{
66c52421 398 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 399
3cfcf6ac
JM		 400 ieee80211_set_default_mgmt_key(sdata, key_idx);
401
3cfcf6ac
JM		 402 return 0;
403}
404
6b62bf32
TP		 405void sta_set_rate_info_tx(struct sta_info *sta,
406 const struct ieee80211_tx_rate *rate,
407 struct rate_info *rinfo)
408{
409 rinfo->flags = 0;
8bc83c24 410 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 411 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 412 rinfo->mcs = rate->idx;
413 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
414 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
415 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
416 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
417 } else {
418 struct ieee80211_supported_band *sband;
2103dec1
SW		 419 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
420 u16 brate;
421
8bc83c24
JB		 422 sband = sta->local->hw.wiphy->bands[
423 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 424 brate = sband->bitrates[rate->idx].bitrate;
425 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 426 }
6b62bf32
TP		 427 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
428 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 429 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
430 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
431 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
432 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 433 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
434 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 435}
436
003e676a
S		 437void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
438{
439 rinfo->flags = 0;
440
441 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
442 rinfo->flags |= RATE_INFO_FLAGS_MCS;
443 rinfo->mcs = sta->last_rx_rate_idx;
444 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
445 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
446 rinfo->nss = sta->last_rx_rate_vht_nss;
447 rinfo->mcs = sta->last_rx_rate_idx;
448 } else {
449 struct ieee80211_supported_band *sband;
2103dec1
SW		 450 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
451 u16 brate;
003e676a
S		 452
453 sband = sta->local->hw.wiphy->bands[
454 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 455 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
456 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 457 }
458
459 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
460 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
461 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
462 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
1b8d242a 463 if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
003e676a 464 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
1b8d242a 465 if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80P80MHZ)
003e676a 466 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
1b8d242a 467 if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
003e676a
S		 468 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
469}
470
c5dd9c2b
LCC		 471static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
472{
d0709a65 473 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 474 struct ieee80211_local *local = sdata->local;
ebe27c91 475 struct timespec uptime;
560d2682 476 u64 packets = 0;
ef0621e8 477 int i, ac;
c5dd9c2b 478
f5ea9120
JB		 479 sinfo->generation = sdata->local->sta_generation;
480
c5dd9c2b 481 sinfo->filled = STATION_INFO_INACTIVE_TIME |
560d2682
JB		 482 STATION_INFO_RX_BYTES64 |
483 STATION_INFO_TX_BYTES64 |
98c8a60a
JM		 484 STATION_INFO_RX_PACKETS |
485 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 486 STATION_INFO_TX_RETRIES |
487 STATION_INFO_TX_FAILED |
5a5c731a 488 STATION_INFO_TX_BITRATE |
3af6334c 489 STATION_INFO_RX_BITRATE |
f4263c98 490 STATION_INFO_RX_DROP_MISC |
ebe27c91 491 STATION_INFO_BSS_PARAM |
7a724767 492 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 493 STATION_INFO_STA_FLAGS |
494 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 495
496 do_posix_clock_monotonic_gettime(&uptime);
497 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 498
499 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
560d2682
JB		 500 sinfo->tx_bytes = 0;
501 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
502 sinfo->tx_bytes += sta->tx_bytes[ac];
503 packets += sta->tx_packets[ac];
504 }
505 sinfo->tx_packets = packets;
c5dd9c2b 506 sinfo->rx_bytes = sta->rx_bytes;
98c8a60a 507 sinfo->rx_packets = sta->rx_packets;
b206b4ef
BR		 508 sinfo->tx_retries = sta->tx_retry_count;
509 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 510 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 511 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 512
19deffbe
JL		 513 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
514 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 515 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 516 if (!local->ops->get_rssi ||
517 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
518 sinfo->signal = (s8)sta->last_signal;
541a45a1 519 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab 520 }
ef0621e8
FF		 521 if (sta->chains) {
522 sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
523 STATION_INFO_CHAIN_SIGNAL_AVG;
524
525 sinfo->chains = sta->chains;
526 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
527 sinfo->chain_signal[i] = sta->chain_signal_last[i];
528 sinfo->chain_signal_avg[i] =
529 (s8) -ewma_read(&sta->chain_signal_avg[i]);
530 }
531 }
420e7fab 532
6b62bf32 533 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
003e676a 534 sta_set_rate_info_rx(sta, &sinfo->rxrate);
420e7fab 535
902acc78 536 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 537#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 538 sinfo->filled |= STATION_INFO_LLID |
539 STATION_INFO_PLID |
3f52b7e3
MP		 540 STATION_INFO_PLINK_STATE |
541 STATION_INFO_LOCAL_PM |
542 STATION_INFO_PEER_PM |
543 STATION_INFO_NONPEER_PM;
c5dd9c2b 544
6f101ef0
CYY		 545 sinfo->llid = sta->llid;
546 sinfo->plid = sta->plid;
c5dd9c2b 547 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 548 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
549 sinfo->filled |= STATION_INFO_T_OFFSET;
550 sinfo->t_offset = sta->t_offset;
551 }
3f52b7e3
MP		 552 sinfo->local_pm = sta->local_pm;
553 sinfo->peer_pm = sta->peer_pm;
554 sinfo->nonpeer_pm = sta->nonpeer_pm;
c5dd9c2b 555#endif
902acc78 556 }
f4263c98
PS		 557
558 sinfo->bss_param.flags = 0;
559 if (sdata->vif.bss_conf.use_cts_prot)
560 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
561 if (sdata->vif.bss_conf.use_short_preamble)
562 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
563 if (sdata->vif.bss_conf.use_short_slot)
564 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
565 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
566 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 567
568 sinfo->sta_flags.set = 0;
569 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
570 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
571 BIT(NL80211_STA_FLAG_WME) |
572 BIT(NL80211_STA_FLAG_MFP) |
e4121562 573 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
d582cffb 574 BIT(NL80211_STA_FLAG_ASSOCIATED) |
e4121562 575 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 576 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
577 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
578 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
579 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
580 if (test_sta_flag(sta, WLAN_STA_WME))
581 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
582 if (test_sta_flag(sta, WLAN_STA_MFP))
583 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
584 if (test_sta_flag(sta, WLAN_STA_AUTH))
585 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
d582cffb
JB		 586 if (test_sta_flag(sta, WLAN_STA_ASSOC))
587 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
e4121562
HS		 588 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
589 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 590}
591
b1ab7925
BG		 592static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
593 "rx_packets", "rx_bytes", "wep_weak_iv_count",
594 "rx_duplicates", "rx_fragments", "rx_dropped",
595 "tx_packets", "tx_bytes", "tx_fragments",
596 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 597 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
598 "channel", "noise", "ch_time", "ch_time_busy",
599 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 600};
601#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
602
603static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
604 struct net_device *dev,
605 int sset)
606{
e352114f
BG		 607 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
608 int rv = 0;
609
b1ab7925 610 if (sset == ETH_SS_STATS)
e352114f
BG		 611 rv += STA_STATS_LEN;
612
613 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 614
e352114f
BG		 615 if (rv == 0)
616 return -EOPNOTSUPP;
617 return rv;
b1ab7925
BG		 618}
619
620static void ieee80211_get_et_stats(struct wiphy *wiphy,
621 struct net_device *dev,
622 struct ethtool_stats *stats,
623 u64 *data)
624{
625 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 626 struct ieee80211_chanctx_conf *chanctx_conf;
627 struct ieee80211_channel *channel;
b1ab7925
BG		 628 struct sta_info *sta;
629 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 630 struct station_info sinfo;
631 struct survey_info survey;
632 int i, q;
633#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 634
635 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
636
637#define ADD_STA_STATS(sta) \
638 do { \
639 data[i++] += sta->rx_packets; \
640 data[i++] += sta->rx_bytes; \
641 data[i++] += sta->wep_weak_iv_count; \
642 data[i++] += sta->num_duplicates; \
643 data[i++] += sta->rx_fragments; \
644 data[i++] += sta->rx_dropped; \
645 \
560d2682
JB		 646 data[i++] += sinfo.tx_packets; \
647 data[i++] += sinfo.tx_bytes; \
b1ab7925
BG		 648 data[i++] += sta->tx_fragments; \
649 data[i++] += sta->tx_filtered_count; \
650 data[i++] += sta->tx_retry_failed; \
651 data[i++] += sta->tx_retry_count; \
652 data[i++] += sta->beacon_loss_count; \
653 } while (0)
654
655 /* For Managed stations, find the single station based on BSSID
656 * and use that. For interface types, iterate through all available
657 * stations and add stats for any station that is assigned to this
658 * network device.
659 */
660
66572cfc 661 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 662
663 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
664 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 665
666 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
667 goto do_survey;
668
560d2682
JB		 669 sinfo.filled = 0;
670 sta_set_sinfo(sta, &sinfo);
671
3073a7c2
BG		 672 i = 0;
673 ADD_STA_STATS(sta);
674
675 data[i++] = sta->sta_state;
676
3073a7c2 677
5204267d 678 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 679 data[i] = 100000 *
680 cfg80211_calculate_bitrate(&sinfo.txrate);
681 i++;
5204267d 682 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 683 data[i] = 100000 *
684 cfg80211_calculate_bitrate(&sinfo.rxrate);
685 i++;
686
5204267d 687 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 688 data[i] = (u8)sinfo.signal_avg;
689 i++;
b1ab7925 690 } else {
66572cfc 691 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 692 /* Make sure this station belongs to the proper dev */
693 if (sta->sdata->dev != dev)
694 continue;
695
e13bae4f
JB		 696 sinfo.filled = 0;
697 sta_set_sinfo(sta, &sinfo);
b1ab7925
BG		 698 i = 0;
699 ADD_STA_STATS(sta);
b1ab7925
BG		 700 }
701 }
702
3073a7c2
BG		 703do_survey:
704 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
705 /* Get survey stats for current channel */
55de908a 706 survey.filled = 0;
3073a7c2 707
55de908a
JB		 708 rcu_read_lock();
709 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
710 if (chanctx_conf)
4bf88530 711 channel = chanctx_conf->def.chan;
55de908a
JB		 712 else
713 channel = NULL;
714 rcu_read_unlock();
715
716 if (channel) {
717 q = 0;
718 do {
719 survey.filled = 0;
720 if (drv_get_survey(local, q, &survey) != 0) {
721 survey.filled = 0;
722 break;
723 }
724 q++;
725 } while (channel != survey.channel);
3073a7c2
BG		 726 }
727
728 if (survey.filled)
729 data[i++] = survey.channel->center_freq;
730 else
731 data[i++] = 0;
732 if (survey.filled & SURVEY_INFO_NOISE_DBM)
733 data[i++] = (u8)survey.noise;
734 else
735 data[i++] = -1LL;
736 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
737 data[i++] = survey.channel_time;
738 else
739 data[i++] = -1LL;
740 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
741 data[i++] = survey.channel_time_busy;
742 else
743 data[i++] = -1LL;
744 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
745 data[i++] = survey.channel_time_ext_busy;
746 else
747 data[i++] = -1LL;
748 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
749 data[i++] = survey.channel_time_rx;
750 else
751 data[i++] = -1LL;
752 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
753 data[i++] = survey.channel_time_tx;
754 else
755 data[i++] = -1LL;
756
66572cfc 757 mutex_unlock(&local->sta_mtx);
e352114f 758
3073a7c2
BG		 759 if (WARN_ON(i != STA_STATS_LEN))
760 return;
761
e352114f 762 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 763}
764
765static void ieee80211_get_et_strings(struct wiphy *wiphy,
766 struct net_device *dev,
767 u32 sset, u8 *data)
768{
e352114f
BG		 769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
770 int sz_sta_stats = 0;
771
b1ab7925 772 if (sset == ETH_SS_STATS) {
e352114f 773 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
bd500af2 774 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
b1ab7925 775 }
e352114f 776 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 777}
c5dd9c2b
LCC		 778
779static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
780 int idx, u8 *mac, struct station_info *sinfo)
781{
3b53fde8 782 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 783 struct ieee80211_local *local = sdata->local;
c5dd9c2b 784 struct sta_info *sta;
d0709a65
JB		 785 int ret = -ENOENT;
786
66572cfc 787 mutex_lock(&local->sta_mtx);
c5dd9c2b 788
3b53fde8 789 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 790 if (sta) {
791 ret = 0;
17741cdc 792 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 793 sta_set_sinfo(sta, sinfo);
794 }
c5dd9c2b 795
66572cfc 796 mutex_unlock(&local->sta_mtx);
c5dd9c2b 797
d0709a65 798 return ret;
c5dd9c2b
LCC		 799}
800
1289723e
HS		 801static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
802 int idx, struct survey_info *survey)
803{
804 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
805
1289723e
HS		 806 return drv_get_survey(local, idx, survey);
807}
808
7bbdd2d9 809static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 810 u8 *mac, struct station_info *sinfo)
7bbdd2d9 811{
abe60632 812 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 813 struct ieee80211_local *local = sdata->local;
7bbdd2d9 814 struct sta_info *sta;
d0709a65 815 int ret = -ENOENT;
7bbdd2d9 816
66572cfc 817 mutex_lock(&local->sta_mtx);
7bbdd2d9 818
0e5ded5a 819 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 820 if (sta) {
821 ret = 0;
822 sta_set_sinfo(sta, sinfo);
823 }
824
66572cfc 825 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 826
827 return ret;
7bbdd2d9
JB		 828}
829
55de908a 830static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 831 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 832{
833 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 834 struct ieee80211_sub_if_data *sdata;
835 int ret = 0;
3d9e6e12 836
4bf88530 837 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 838 return 0;
3d9e6e12 839
34a3740d 840 mutex_lock(&local->mtx);
55de908a
JB		 841 mutex_lock(&local->iflist_mtx);
842 if (local->use_chanctx) {
843 sdata = rcu_dereference_protected(
844 local->monitor_sdata,
845 lockdep_is_held(&local->iflist_mtx));
846 if (sdata) {
847 ieee80211_vif_release_channel(sdata);
4bf88530 848 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 849 IEEE80211_CHANCTX_EXCLUSIVE);
850 }
851 } else if (local->open_count == local->monitors) {
675a0b04 852 local->_oper_chandef = *chandef;
55de908a
JB		 853 ieee80211_hw_config(local, 0);
854 }
3d9e6e12 855
4bf88530
JB		 856 if (ret == 0)
857 local->monitor_chandef = *chandef;
55de908a 858 mutex_unlock(&local->iflist_mtx);
34a3740d 859 mutex_unlock(&local->mtx);
3d9e6e12 860
55de908a 861 return ret;
e8c9bd5b
JB		 862}
863
02945821 864static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 865 const u8 *resp, size_t resp_len)
02945821 866{
aa7a0080 867 struct probe_resp *new, *old;
02945821
AN		 868
869 if (!resp || !resp_len)
aba4e6ff 870 return 1;
02945821 871
7ca133bc 872 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 873
aa7a0080 874 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 875 if (!new)
876 return -ENOMEM;
877
aa7a0080
ES		 878 new->len = resp_len;
879 memcpy(new->data, resp, resp_len);
02945821
AN		 880
881 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 882 if (old)
883 kfree_rcu(old, rcu_head);
02945821
AN		 884
885 return 0;
886}
887
0ae07968
LC		 888static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
889 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 890{
891 struct beacon_data *new, *old;
892 int new_head_len, new_tail_len;
8860020e
JB		 893 int size, err;
894 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 895
7ca133bc
SW		 896 old = sdata_dereference(sdata->u.ap.beacon, sdata);
897
5dfdaf58 898
5dfdaf58
JB		 899 /* Need to have a beacon head if we don't have one yet */
900 if (!params->head && !old)
8860020e 901 return -EINVAL;
5dfdaf58
JB		 902
903 /* new or old head? */
904 if (params->head)
905 new_head_len = params->head_len;
906 else
907 new_head_len = old->head_len;
908
909 /* new or old tail? */
910 if (params->tail || !old)
911 /* params->tail_len will be zero for !params->tail */
912 new_tail_len = params->tail_len;
913 else
914 new_tail_len = old->tail_len;
915
916 size = sizeof(*new) + new_head_len + new_tail_len;
917
918 new = kzalloc(size, GFP_KERNEL);
919 if (!new)
920 return -ENOMEM;
921
922 /* start filling the new info now */
923
5dfdaf58
JB		 924 /*
925 * pointers go into the block we allocated,
926 * memory is | beacon_data | head | tail |
927 */
928 new->head = ((u8 *) new) + sizeof(*new);
929 new->tail = new->head + new_head_len;
930 new->head_len = new_head_len;
931 new->tail_len = new_tail_len;
932
933 /* copy in head */
934 if (params->head)
935 memcpy(new->head, params->head, new_head_len);
936 else
937 memcpy(new->head, old->head, new_head_len);
938
939 /* copy in optional tail */
940 if (params->tail)
941 memcpy(new->tail, params->tail, new_tail_len);
942 else
943 if (old)
944 memcpy(new->tail, old->tail, new_tail_len);
945
02945821
AN		 946 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
947 params->probe_resp_len);
8860020e
JB		 948 if (err < 0)
949 return err;
950 if (err == 0)
02945821
AN		 951 changed |= BSS_CHANGED_AP_PROBE_RESP;
952
8860020e
JB		 953 rcu_assign_pointer(sdata->u.ap.beacon, new);
954
955 if (old)
956 kfree_rcu(old, rcu_head);
7827493b 957
8860020e 958 return changed;
5dfdaf58
JB		 959}
960
8860020e
JB		 961static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
962 struct cfg80211_ap_settings *params)
5dfdaf58 963{
8860020e 964 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 965 struct ieee80211_local *local = sdata->local;
5dfdaf58 966 struct beacon_data *old;
665c93a9 967 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 968 u32 changed = BSS_CHANGED_BEACON_INT |
969 BSS_CHANGED_BEACON_ENABLED |
970 BSS_CHANGED_BEACON |
339afbf4
JB		 971 BSS_CHANGED_SSID |
972 BSS_CHANGED_P2P_PS;
8860020e 973 int err;
14db74bc 974
7ca133bc 975 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 976 if (old)
977 return -EALREADY;
978
04ecd257
JB		 979 /* TODO: make hostapd tell us what it wants */
980 sdata->smps_mode = IEEE80211_SMPS_OFF;
981 sdata->needed_rx_chains = sdata->local->rx_chains;
982
34a3740d 983 mutex_lock(&local->mtx);
4bf88530 984 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 985 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 986 if (!err)
987 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 988 mutex_unlock(&local->mtx);
aa430da4
JB		 989 if (err)
990 return err;
991
665c93a9
JB		 992 /*
993 * Apply control port protocol, this allows us to
994 * not encrypt dynamic WEP control frames.
995 */
996 sdata->control_port_protocol = params->crypto.control_port_ethertype;
997 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 998 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
999 &params->crypto,
1000 sdata->vif.type);
1001
665c93a9
JB		 1002 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1003 vlan->control_port_protocol =
1004 params->crypto.control_port_ethertype;
1005 vlan->control_port_no_encrypt =
1006 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 1007 vlan->encrypt_headroom =
1008 ieee80211_cs_headroom(sdata->local,
1009 &params->crypto,
1010 vlan->vif.type);
665c93a9
JB		 1011 }
1012
8860020e
JB		 1013 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1014 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 1015 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 1016
1017 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1018 if (params->ssid_len)
1019 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1020 params->ssid_len);
1021 sdata->vif.bss_conf.hidden_ssid =
1022 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1023
67baf663
JD		 1024 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1025 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1026 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1027 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1028 if (params->p2p_opp_ps)
1029 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1030 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 1031
8860020e 1032 err = ieee80211_assign_beacon(sdata, &params->beacon);
0297ea17
EG		 1033 if (err < 0) {
1034 ieee80211_vif_release_channel(sdata);
8860020e 1035 return err;
0297ea17 1036 }
8860020e
JB		 1037 changed |= err;
1038
1041638f
JB		 1039 err = drv_start_ap(sdata->local, sdata);
1040 if (err) {
7ca133bc
SW		 1041 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1042
1041638f
JB		 1043 if (old)
1044 kfree_rcu(old, rcu_head);
1045 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 1046 ieee80211_vif_release_channel(sdata);
1041638f
JB		 1047 return err;
1048 }
1049
057d5f4b 1050 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 1051 ieee80211_bss_info_change_notify(sdata, changed);
1052
3edaf3e6
JB		 1053 netif_carrier_on(dev);
1054 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1055 netif_carrier_on(vlan->dev);
1056
665c93a9 1057 return 0;
5dfdaf58
JB		 1058}
1059
8860020e
JB		 1060static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1061 struct cfg80211_beacon_data *params)
5dfdaf58 1062{
14db74bc 1063 struct ieee80211_sub_if_data *sdata;
5dfdaf58 1064 struct beacon_data *old;
8860020e 1065 int err;
5dfdaf58 1066
14db74bc 1067 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 1068 sdata_assert_lock(sdata);
14db74bc 1069
73da7d5b
SW		 1070 /* don't allow changing the beacon while CSA is in place - offset
1071 * of channel switch counter may change
1072 */
1073 if (sdata->vif.csa_active)
1074 return -EBUSY;
1075
7ca133bc 1076 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1077 if (!old)
1078 return -ENOENT;
1079
8860020e
JB		 1080 err = ieee80211_assign_beacon(sdata, params);
1081 if (err < 0)
1082 return err;
1083 ieee80211_bss_info_change_notify(sdata, err);
1084 return 0;
5dfdaf58
JB		 1085}
1086
8860020e 1087static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1088{
7b20b8e8
JB		 1089 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1090 struct ieee80211_sub_if_data *vlan;
1091 struct ieee80211_local *local = sdata->local;
1092 struct beacon_data *old_beacon;
1093 struct probe_resp *old_probe_resp;
d2859df5 1094 struct cfg80211_chan_def chandef;
14db74bc 1095
dbd72850
MK		 1096 sdata_assert_lock(sdata);
1097
7ca133bc 1098 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1099 if (!old_beacon)
5dfdaf58 1100 return -ENOENT;
7ca133bc 1101 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1102
73da7d5b
SW		 1103 /* abort any running channel switch */
1104 sdata->vif.csa_active = false;
1f3b8a2b
SW		 1105 kfree(sdata->u.ap.next_beacon);
1106 sdata->u.ap.next_beacon = NULL;
1107
7b20b8e8 1108 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1109 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1110 netif_carrier_off(vlan->dev);
1111 netif_carrier_off(dev);
1112
7b20b8e8 1113 /* remove beacon and probe response */
a9b3cd7f 1114 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1115 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1116 kfree_rcu(old_beacon, rcu_head);
1117 if (old_probe_resp)
1118 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 1119 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 1120
e716251d 1121 __sta_info_flush(sdata, true);
7907c7d3 1122 ieee80211_free_keys(sdata, true);
75de9113 1123
d6a83228 1124 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1125 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1126 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1127 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1128
a6b368f6 1129 if (sdata->wdev.cac_started) {
d2859df5 1130 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1131 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1132 cfg80211_cac_event(sdata->dev, &chandef,
1133 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1134 GFP_KERNEL);
1135 }
1136
1041638f
JB		 1137 drv_stop_ap(sdata->local, sdata);
1138
7b20b8e8
JB		 1139 /* free all potentially still buffered bcast frames */
1140 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1141 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1142
34a3740d 1143 mutex_lock(&local->mtx);
4e141dad 1144 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 1145 ieee80211_vif_release_channel(sdata);
34a3740d 1146 mutex_unlock(&local->mtx);
55de908a 1147
2d0ddec5 1148 return 0;
5dfdaf58
JB		 1149}
1150
4fd6931e
JB		 1151/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1152struct iapp_layer2_update {
1153 u8 da[ETH_ALEN]; /* broadcast */
1154 u8 sa[ETH_ALEN]; /* STA addr */
1155 __be16 len; /* 6 */
1156 u8 dsap; /* 0 */
1157 u8 ssap; /* 0 */
1158 u8 control;
1159 u8 xid_info[3];
bc10502d 1160} __packed;
4fd6931e
JB		 1161
1162static void ieee80211_send_layer2_update(struct sta_info *sta)
1163{
1164 struct iapp_layer2_update *msg;
1165 struct sk_buff *skb;
1166
1167 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1168 * bridge devices */
1169
1170 skb = dev_alloc_skb(sizeof(*msg));
1171 if (!skb)
1172 return;
1173 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1174
1175 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1176 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1177
e83e6541 1178 eth_broadcast_addr(msg->da);
17741cdc 1179 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1180 msg->len = htons(6);
1181 msg->dsap = 0;
1182 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1183 msg->control = 0xaf; /* XID response lsb.1111F101.
1184 * F=0 (no poll command; unsolicited frame) */
1185 msg->xid_info[0] = 0x81; /* XID format identifier */
1186 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1187 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1188
d0709a65
JB		 1189 skb->dev = sta->sdata->dev;
1190 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1191 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1192 netif_rx_ni(skb);
4fd6931e
JB		 1193}
1194
d582cffb
JB		 1195static int sta_apply_auth_flags(struct ieee80211_local *local,
1196 struct sta_info *sta,
1197 u32 mask, u32 set)
1198{
1199 int ret;
1200
1201 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1202 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1203 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1204 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1205 if (ret)
1206 return ret;
1207 }
1208
1209 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1210 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1211 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1212 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1213 if (ret)
1214 return ret;
1215 }
1216
1217 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1218 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1219 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1220 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1221 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1222 else
1223 ret = 0;
1224 if (ret)
1225 return ret;
1226 }
1227
1228 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1229 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1230 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1231 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1232 if (ret)
1233 return ret;
1234 }
1235
1236 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1237 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1238 test_sta_flag(sta, WLAN_STA_AUTH)) {
1239 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1240 if (ret)
1241 return ret;
1242 }
1243
1244 return 0;
1245}
1246
d9a7ddb0
JB		 1247static int sta_apply_parameters(struct ieee80211_local *local,
1248 struct sta_info *sta,
1249 struct station_parameters *params)
4fd6931e 1250{
d9a7ddb0 1251 int ret = 0;
8318d78a 1252 struct ieee80211_supported_band *sband;
d0709a65 1253 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1254 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1255 u32 mask, set;
4fd6931e 1256
55de908a 1257 sband = local->hw.wiphy->bands[band];
ae5eb026 1258
eccb8e8f
JB		 1259 mask = params->sta_flags_mask;
1260 set = params->sta_flags_set;
73651ee6 1261
d582cffb
JB		 1262 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1263 /*
1264 * In mesh mode, ASSOCIATED isn't part of the nl80211
1265 * API but must follow AUTHENTICATED for driver state.
1266 */
1267 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1268 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1269 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1270 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1271 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1272 /*
1273 * TDLS -- everything follows authorized, but
1274 * only becoming authorized is possible, not
1275 * going back
1276 */
1277 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1278 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1279 BIT(NL80211_STA_FLAG_ASSOCIATED);
1280 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1281 BIT(NL80211_STA_FLAG_ASSOCIATED);
1282 }
eccb8e8f 1283 }
4fd6931e 1284
d582cffb
JB		 1285 ret = sta_apply_auth_flags(local, sta, mask, set);
1286 if (ret)
1287 return ret;
d9a7ddb0 1288
eccb8e8f 1289 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1290 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1291 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1292 else
1293 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1294 }
4fd6931e 1295
eccb8e8f 1296 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1297 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1298 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1299 sta->sta.wme = true;
c2c98fde
JB		 1300 } else {
1301 clear_sta_flag(sta, WLAN_STA_WME);
1302 sta->sta.wme = false;
39df600a 1303 }
eccb8e8f 1304 }
5394af4d 1305
eccb8e8f 1306 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1307 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1308 set_sta_flag(sta, WLAN_STA_MFP);
1309 else
1310 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1311 }
b39c48fa 1312
07ba55d7 1313 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1314 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1315 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1316 else
1317 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1318 }
4fd6931e 1319
3b9ce80c
JB		 1320 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1321 sta->sta.uapsd_queues = params->uapsd_queues;
1322 sta->sta.max_sp = params->max_sp;
1323 }
9533b4ac 1324
51b50fbe
JB		 1325 /*
1326 * cfg80211 validates this (1-2007) and allows setting the AID
1327 * only when creating a new station entry
1328 */
1329 if (params->aid)
1330 sta->sta.aid = params->aid;
1331
73651ee6 1332 /*
ba23d206
JB		 1333 * Some of the following updates would be racy if called on an
1334 * existing station, via ieee80211_change_station(). However,
1335 * all such changes are rejected by cfg80211 except for updates
1336 * changing the supported rates on an existing but not yet used
1337 * TDLS peer.
73651ee6
JB		 1338 */
1339
4fd6931e
JB		 1340 if (params->listen_interval >= 0)
1341 sta->listen_interval = params->listen_interval;
1342
1343 if (params->supported_rates) {
2103dec1
SW		 1344 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1345 sband, params->supported_rates,
1346 params->supported_rates_len,
1347 &sta->sta.supp_rates[band]);
4fd6931e 1348 }
c5dd9c2b 1349
d9fe60de 1350 if (params->ht_capa)
ef96a842 1351 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1352 params->ht_capa, sta);
36aedc90 1353
f461be3e
MP		 1354 if (params->vht_capa)
1355 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1356 params->vht_capa, sta);
f461be3e 1357
b1bce14a 1358 if (params->opmode_notif_used) {
b1bce14a
MK		 1359 /* returned value is only needed for rc update, but the
1360 * rc isn't initialized here yet, so ignore it
1361 */
1362 __ieee80211_vht_handle_opmode(sdata, sta,
1363 params->opmode_notif,
1364 band, false);
1365 }
1366
9c3990aa 1367 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1368#ifdef CONFIG_MAC80211_MESH
39886b61 1369 u32 changed = 0;
77ee7c89
JB		 1370
1371 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1372 switch (params->plink_state) {
57cf8043 1373 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1374 if (sta->plink_state != NL80211_PLINK_ESTAB)
1375 changed = mesh_plink_inc_estab_count(
1376 sdata);
1377 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1378
1379 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1380 changed |= ieee80211_mps_set_sta_local_pm(sta,
1381 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1382 break;
1383 case NL80211_PLINK_LISTEN:
57cf8043 1384 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1385 case NL80211_PLINK_OPN_SNT:
1386 case NL80211_PLINK_OPN_RCVD:
1387 case NL80211_PLINK_CNF_RCVD:
1388 case NL80211_PLINK_HOLDING:
1389 if (sta->plink_state == NL80211_PLINK_ESTAB)
1390 changed = mesh_plink_dec_estab_count(
1391 sdata);
9c3990aa 1392 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1393
1394 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1395 changed |= ieee80211_mps_set_sta_local_pm(sta,
1396 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1397 break;
1398 default:
1399 /* nothing */
1400 break;
1401 }
77ee7c89
JB		 1402 }
1403
1404 switch (params->plink_action) {
1405 case NL80211_PLINK_ACTION_NO_ACTION:
1406 /* nothing */
1407 break;
1408 case NL80211_PLINK_ACTION_OPEN:
1409 changed |= mesh_plink_open(sta);
1410 break;
1411 case NL80211_PLINK_ACTION_BLOCK:
1412 changed |= mesh_plink_block(sta);
1413 break;
1617bab8 1414 }
3f52b7e3
MP		 1415
1416 if (params->local_pm)
39886b61
TP		 1417 changed |=
1418 ieee80211_mps_set_sta_local_pm(sta,
1419 params->local_pm);
6c751ef8 1420 ieee80211_mbss_info_change_notify(sdata, changed);
4daf50f2 1421#endif
902acc78 1422 }
d9a7ddb0
JB		 1423
1424 return 0;
4fd6931e
JB		 1425}
1426
1427static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1428 u8 *mac, struct station_parameters *params)
1429{
14db74bc 1430 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1431 struct sta_info *sta;
1432 struct ieee80211_sub_if_data *sdata;
73651ee6 1433 int err;
b8d476c8 1434 int layer2_update;
4fd6931e 1435
4fd6931e
JB		 1436 if (params->vlan) {
1437 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1438
05c914fe
JB		 1439 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1440 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1441 return -EINVAL;
1442 } else
1443 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1444
b203ca39 1445 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1446 return -EINVAL;
1447
1448 if (is_multicast_ether_addr(mac))
1449 return -EINVAL;
1450
1451 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1452 if (!sta)
1453 return -ENOMEM;
4fd6931e 1454
d582cffb
JB		 1455 /*
1456 * defaults -- if userspace wants something else we'll
1457 * change it accordingly in sta_apply_parameters()
1458 */
77ee7c89
JB		 1459 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1460 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1461 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
0c4972cc
AN		 1462 } else {
1463 sta->sta.tdls = true;
77ee7c89 1464 }
4fd6931e 1465
d9a7ddb0
JB		 1466 err = sta_apply_parameters(local, sta, params);
1467 if (err) {
1468 sta_info_free(local, sta);
1469 return err;
1470 }
4fd6931e 1471
d64cf63e 1472 /*
77ee7c89
JB		 1473 * for TDLS, rate control should be initialized only when
1474 * rates are known and station is marked authorized
d64cf63e
AN		 1475 */
1476 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1477 rate_control_rate_init(sta);
4fd6931e 1478
b8d476c8
JM		 1479 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1480 sdata->vif.type == NL80211_IFTYPE_AP;
1481
34e89507 1482 err = sta_info_insert_rcu(sta);
73651ee6 1483 if (err) {
73651ee6
JB		 1484 rcu_read_unlock();
1485 return err;
1486 }
1487
b8d476c8 1488 if (layer2_update)
73651ee6
JB		 1489 ieee80211_send_layer2_update(sta);
1490
1491 rcu_read_unlock();
1492
4fd6931e
JB		 1493 return 0;
1494}
1495
1496static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1497 u8 *mac)
1498{
14db74bc 1499 struct ieee80211_sub_if_data *sdata;
4fd6931e 1500
14db74bc
JB		 1501 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1502
34e89507
JB		 1503 if (mac)
1504 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1505
b998e8bb 1506 sta_info_flush(sdata);
4fd6931e
JB		 1507 return 0;
1508}
1509
1510static int ieee80211_change_station(struct wiphy *wiphy,
77ee7c89 1511 struct net_device *dev, u8 *mac,
4fd6931e
JB		 1512 struct station_parameters *params)
1513{
abe60632 1514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1515 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1516 struct sta_info *sta;
1517 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1518 enum cfg80211_station_type statype;
35b88623 1519 int err;
4fd6931e 1520
87be1e1e 1521 mutex_lock(&local->sta_mtx);
98dd6a57 1522
0e5ded5a 1523 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1524 if (!sta) {
77ee7c89
JB		 1525 err = -ENOENT;
1526 goto out_err;
98dd6a57 1527 }
4fd6931e 1528
77ee7c89
JB		 1529 switch (sdata->vif.type) {
1530 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1531 if (sdata->u.mesh.user_mpm)
eef941e6 1532 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1533 else
eef941e6 1534 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1535 break;
1536 case NL80211_IFTYPE_ADHOC:
1537 statype = CFG80211_STA_IBSS;
1538 break;
1539 case NL80211_IFTYPE_STATION:
1540 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1541 statype = CFG80211_STA_AP_STA;
1542 break;
1543 }
1544 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1545 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1546 else
1547 statype = CFG80211_STA_TDLS_PEER_SETUP;
1548 break;
1549 case NL80211_IFTYPE_AP:
1550 case NL80211_IFTYPE_AP_VLAN:
1551 statype = CFG80211_STA_AP_CLIENT;
1552 break;
1553 default:
1554 err = -EOPNOTSUPP;
1555 goto out_err;
bdd90d5e
JB		 1556 }
1557
77ee7c89
JB		 1558 err = cfg80211_check_station_change(wiphy, params, statype);
1559 if (err)
1560 goto out_err;
1561
d0709a65 1562 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1563 bool prev_4addr = false;
1564 bool new_4addr = false;
1565
4fd6931e
JB		 1566 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1567
9bc383de 1568 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1569 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1570 err = -EBUSY;
1571 goto out_err;
3305443c 1572 }
f14543ee 1573
cf778b00 1574 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1575 new_4addr = true;
1576 }
1577
1578 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1579 sta->sdata->u.vlan.sta) {
0c2bef46 1580 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
7e3ed02c 1581 prev_4addr = true;
f14543ee
FF		 1582 }
1583
14db74bc 1584 sta->sdata = vlansdata;
7e3ed02c
FF		 1585
1586 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1587 prev_4addr != new_4addr) {
1588 if (new_4addr)
1589 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1590 else
1591 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1592 }
1593
4fd6931e
JB		 1594 ieee80211_send_layer2_update(sta);
1595 }
1596
35b88623 1597 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1598 if (err)
1599 goto out_err;
4fd6931e 1600
77ee7c89
JB		 1601 /* When peer becomes authorized, init rate control as well */
1602 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1603 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1604 rate_control_rate_init(sta);
1605
87be1e1e 1606 mutex_unlock(&local->sta_mtx);
98dd6a57 1607
687da132
EG		 1608 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1609 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1610 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1611 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1612 sta_info_tx_streams(sta) != 1) {
1613 ht_dbg(sta->sdata,
1614 "%pM just authorized and MIMO capable - update SMPS\n",
1615 sta->sta.addr);
1616 ieee80211_send_smps_action(sta->sdata,
1617 sta->sdata->bss->req_smps,
1618 sta->sta.addr,
1619 sta->sdata->vif.bss_conf.bssid);
1620 }
1621
808118cb 1622 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1623 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1624 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1625 ieee80211_recalc_ps_vif(sdata);
1626 }
77ee7c89 1627
4fd6931e 1628 return 0;
77ee7c89
JB		 1629out_err:
1630 mutex_unlock(&local->sta_mtx);
1631 return err;
4fd6931e
JB		 1632}
1633
c5dd9c2b
LCC		 1634#ifdef CONFIG_MAC80211_MESH
1635static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1636 u8 *dst, u8 *next_hop)
1637{
14db74bc 1638 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1639 struct mesh_path *mpath;
1640 struct sta_info *sta;
c5dd9c2b 1641
14db74bc
JB		 1642 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1643
d0709a65 1644 rcu_read_lock();
abe60632 1645 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1646 if (!sta) {
1647 rcu_read_unlock();
c5dd9c2b 1648 return -ENOENT;
d0709a65 1649 }
c5dd9c2b 1650
ae76eef0
BC		 1651 mpath = mesh_path_add(sdata, dst);
1652 if (IS_ERR(mpath)) {
d0709a65 1653 rcu_read_unlock();
ae76eef0 1654 return PTR_ERR(mpath);
d0709a65 1655 }
c5dd9c2b 1656
c5dd9c2b 1657 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1658
c5dd9c2b
LCC		 1659 rcu_read_unlock();
1660 return 0;
1661}
1662
1663static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1664 u8 *dst)
c5dd9c2b 1665{
f698d856
JBG		 1666 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1667
c5dd9c2b 1668 if (dst)
bf7cd94d 1669 return mesh_path_del(sdata, dst);
c5dd9c2b 1670
ece1a2e7 1671 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1672 return 0;
1673}
1674
1675static int ieee80211_change_mpath(struct wiphy *wiphy,
1676 struct net_device *dev,
1677 u8 *dst, u8 *next_hop)
1678{
14db74bc 1679 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1680 struct mesh_path *mpath;
1681 struct sta_info *sta;
1682
14db74bc
JB		 1683 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1684
d0709a65
JB		 1685 rcu_read_lock();
1686
abe60632 1687 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1688 if (!sta) {
1689 rcu_read_unlock();
c5dd9c2b 1690 return -ENOENT;
d0709a65 1691 }
c5dd9c2b 1692
bf7cd94d 1693 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1694 if (!mpath) {
1695 rcu_read_unlock();
c5dd9c2b
LCC		 1696 return -ENOENT;
1697 }
1698
1699 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1700
c5dd9c2b
LCC		 1701 rcu_read_unlock();
1702 return 0;
1703}
1704
1705static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1706 struct mpath_info *pinfo)
1707{
a3836e02
JB		 1708 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1709
1710 if (next_hop_sta)
1711 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1712 else
1713 memset(next_hop, 0, ETH_ALEN);
1714
7ce8c7a3
LAYS		 1715 memset(pinfo, 0, sizeof(*pinfo));
1716
f5ea9120
JB		 1717 pinfo->generation = mesh_paths_generation;
1718
c5dd9c2b 1719 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1720 MPATH_INFO_SN |
c5dd9c2b
LCC		 1721 MPATH_INFO_METRIC |
1722 MPATH_INFO_EXPTIME |
1723 MPATH_INFO_DISCOVERY_TIMEOUT |
1724 MPATH_INFO_DISCOVERY_RETRIES |
1725 MPATH_INFO_FLAGS;
1726
1727 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1728 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1729 pinfo->metric = mpath->metric;
1730 if (time_before(jiffies, mpath->exp_time))
1731 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1732 pinfo->discovery_timeout =
1733 jiffies_to_msecs(mpath->discovery_timeout);
1734 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1735 if (mpath->flags & MESH_PATH_ACTIVE)
1736 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1737 if (mpath->flags & MESH_PATH_RESOLVING)
1738 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1739 if (mpath->flags & MESH_PATH_SN_VALID)
1740 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1741 if (mpath->flags & MESH_PATH_FIXED)
1742 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1743 if (mpath->flags & MESH_PATH_RESOLVED)
1744 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1745}
1746
1747static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1748 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1749
1750{
14db74bc 1751 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1752 struct mesh_path *mpath;
1753
14db74bc
JB		 1754 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1755
c5dd9c2b 1756 rcu_read_lock();
bf7cd94d 1757 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1758 if (!mpath) {
1759 rcu_read_unlock();
1760 return -ENOENT;
1761 }
1762 memcpy(dst, mpath->dst, ETH_ALEN);
1763 mpath_set_pinfo(mpath, next_hop, pinfo);
1764 rcu_read_unlock();
1765 return 0;
1766}
1767
1768static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1769 int idx, u8 *dst, u8 *next_hop,
1770 struct mpath_info *pinfo)
1771{
14db74bc 1772 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1773 struct mesh_path *mpath;
1774
14db74bc
JB		 1775 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1776
c5dd9c2b 1777 rcu_read_lock();
bf7cd94d 1778 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1779 if (!mpath) {
1780 rcu_read_unlock();
1781 return -ENOENT;
1782 }
1783 memcpy(dst, mpath->dst, ETH_ALEN);
1784 mpath_set_pinfo(mpath, next_hop, pinfo);
1785 rcu_read_unlock();
1786 return 0;
1787}
93da9cc1 1788
24bdd9f4 1789static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1790 struct net_device *dev,
1791 struct mesh_config *conf)
1792{
1793 struct ieee80211_sub_if_data *sdata;
1794 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1795
93da9cc1 1796 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1797 return 0;
1798}
1799
1800static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1801{
1802 return (mask >> (parm-1)) & 0x1;
1803}
1804
c80d545d
JC		 1805static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1806 const struct mesh_setup *setup)
1807{
1808 u8 *new_ie;
1809 const u8 *old_ie;
4bb62344
CYY		 1810 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1811 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1812
581a8b0f 1813 /* allocate information elements */
c80d545d 1814 new_ie = NULL;
581a8b0f 1815 old_ie = ifmsh->ie;
c80d545d 1816
581a8b0f
JC		 1817 if (setup->ie_len) {
1818 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1819 GFP_KERNEL);
1820 if (!new_ie)
1821 return -ENOMEM;
1822 }
581a8b0f
JC		 1823 ifmsh->ie_len = setup->ie_len;
1824 ifmsh->ie = new_ie;
1825 kfree(old_ie);
c80d545d
JC		 1826
1827 /* now copy the rest of the setup parameters */
1828 ifmsh->mesh_id_len = setup->mesh_id_len;
1829 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1830 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1831 ifmsh->mesh_pp_id = setup->path_sel_proto;
1832 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1833 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1834 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1835 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1836 if (setup->is_authenticated)
1837 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1838 if (setup->is_secure)
1839 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1840
4bb62344
CYY		 1841 /* mcast rate setting in Mesh Node */
1842 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1843 sizeof(setup->mcast_rate));
ffb3cf30 1844 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1845
9bdbf04d
MP		 1846 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1847 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1848
c80d545d
JC		 1849 return 0;
1850}
1851
24bdd9f4 1852static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1853 struct net_device *dev, u32 mask,
1854 const struct mesh_config *nconf)
93da9cc1 1855{
1856 struct mesh_config *conf;
1857 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1858 struct ieee80211_if_mesh *ifmsh;
1859
93da9cc1 1860 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1861 ifmsh = &sdata->u.mesh;
93da9cc1 1862
93da9cc1 1863 /* Set the config options which we are interested in setting */
1864 conf = &(sdata->u.mesh.mshcfg);
1865 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1866 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1867 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1868 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1869 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1870 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1871 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1872 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1873 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1874 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1875 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1876 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1877 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1878 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1879 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1880 if (ifmsh->user_mpm)
1881 return -EBUSY;
93da9cc1 1882 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1883 }
d299a1f2
JC		 1884 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1885 conf->dot11MeshNbrOffsetMaxNeighbor =
1886 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1887 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1888 conf->dot11MeshHWMPmaxPREQretries =
1889 nconf->dot11MeshHWMPmaxPREQretries;
1890 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1891 conf->path_refresh_time = nconf->path_refresh_time;
1892 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1893 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1894 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1895 conf->dot11MeshHWMPactivePathTimeout =
1896 nconf->dot11MeshHWMPactivePathTimeout;
1897 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1898 conf->dot11MeshHWMPpreqMinInterval =
1899 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1900 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1901 conf->dot11MeshHWMPperrMinInterval =
1902 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1903 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1904 mask))
1905 conf->dot11MeshHWMPnetDiameterTraversalTime =
1906 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1907 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1908 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1909 ieee80211_mesh_root_setup(ifmsh);
1910 }
16dd7267 1911 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1912 /* our current gate announcement implementation rides on root
1913 * announcements, so require this ifmsh to also be a root node
1914 * */
1915 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1916 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1917 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1918 ieee80211_mesh_root_setup(ifmsh);
1919 }
16dd7267
JC		 1920 conf->dot11MeshGateAnnouncementProtocol =
1921 nconf->dot11MeshGateAnnouncementProtocol;
1922 }
a4f606ea 1923 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1924 conf->dot11MeshHWMPRannInterval =
1925 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1926 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1927 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1928 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1929 /* our RSSI threshold implementation is supported only for
1930 * devices that report signal in dBm.
1931 */
1932 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1933 return -ENOTSUPP;
1934 conf->rssi_threshold = nconf->rssi_threshold;
1935 }
70c33eaa
AN		 1936 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1937 conf->ht_opmode = nconf->ht_opmode;
1938 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1939 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1940 }
ac1073a6
CYY		 1941 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1942 conf->dot11MeshHWMPactivePathToRootTimeout =
1943 nconf->dot11MeshHWMPactivePathToRootTimeout;
1944 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1945 conf->dot11MeshHWMProotInterval =
1946 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1947 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1948 conf->dot11MeshHWMPconfirmationInterval =
1949 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1950 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1951 conf->power_mode = nconf->power_mode;
1952 ieee80211_mps_local_status_update(sdata);
1953 }
2b5e1967 1954 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1955 conf->dot11MeshAwakeWindowDuration =
1956 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1957 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1958 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1959 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1960 return 0;
1961}
1962
29cbe68c
JB		 1963static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1964 const struct mesh_config *conf,
1965 const struct mesh_setup *setup)
1966{
1967 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1968 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1969 int err;
29cbe68c 1970
c80d545d
JC		 1971 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1972 err = copy_mesh_setup(ifmsh, setup);
1973 if (err)
1974 return err;
cc1d2806 1975
04ecd257
JB		 1976 /* can mesh use other SMPS modes? */
1977 sdata->smps_mode = IEEE80211_SMPS_OFF;
1978 sdata->needed_rx_chains = sdata->local->rx_chains;
1979
34a3740d 1980 mutex_lock(&sdata->local->mtx);
4bf88530 1981 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1982 IEEE80211_CHANCTX_SHARED);
34a3740d 1983 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1984 if (err)
1985 return err;
1986
2b5e1967 1987 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1988}
1989
1990static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1991{
1992 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1993
1994 ieee80211_stop_mesh(sdata);
34a3740d 1995 mutex_lock(&sdata->local->mtx);
55de908a 1996 ieee80211_vif_release_channel(sdata);
34a3740d 1997 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 1998
1999 return 0;
2000}
c5dd9c2b
LCC		 2001#endif
2002
9f1ba906
JM		 2003static int ieee80211_change_bss(struct wiphy *wiphy,
2004 struct net_device *dev,
2005 struct bss_parameters *params)
2006{
55de908a
JB		 2007 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2008 enum ieee80211_band band;
9f1ba906
JM		 2009 u32 changed = 0;
2010
7ca133bc 2011 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 2012 return -ENOENT;
2013
2014 band = ieee80211_get_sdata_band(sdata);
9f1ba906 2015
9f1ba906 2016 if (params->use_cts_prot >= 0) {
bda3933a 2017 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 2018 changed |= BSS_CHANGED_ERP_CTS_PROT;
2019 }
2020 if (params->use_short_preamble >= 0) {
bda3933a 2021 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 2022 params->use_short_preamble;
2023 changed |= BSS_CHANGED_ERP_PREAMBLE;
2024 }
43d35343
FF		 2025
2026 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 2027 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 2028 sdata->vif.bss_conf.use_short_slot = true;
2029 changed |= BSS_CHANGED_ERP_SLOT;
2030 }
2031
9f1ba906 2032 if (params->use_short_slot_time >= 0) {
bda3933a 2033 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2034 params->use_short_slot_time;
2035 changed |= BSS_CHANGED_ERP_SLOT;
2036 }
2037
90c97a04 2038 if (params->basic_rates) {
2103dec1
SW		 2039 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2040 wiphy->bands[band],
2041 params->basic_rates,
2042 params->basic_rates_len,
2043 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 2044 changed |= BSS_CHANGED_BASIC_RATES;
2045 }
2046
7b7b5e56
FF		 2047 if (params->ap_isolate >= 0) {
2048 if (params->ap_isolate)
2049 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2050 else
2051 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2052 }
2053
80d7e403
HS		 2054 if (params->ht_opmode >= 0) {
2055 sdata->vif.bss_conf.ht_operation_mode =
2056 (u16) params->ht_opmode;
2057 changed |= BSS_CHANGED_HT;
2058 }
2059
339afbf4 2060 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2061 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2062 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2063 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2064 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2065 changed |= BSS_CHANGED_P2P_PS;
2066 }
2067
67baf663
JD		 2068 if (params->p2p_opp_ps > 0) {
2069 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2070 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2071 changed |= BSS_CHANGED_P2P_PS;
2072 } else if (params->p2p_opp_ps == 0) {
2073 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2074 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2075 changed |= BSS_CHANGED_P2P_PS;
2076 }
2077
9f1ba906
JM		 2078 ieee80211_bss_info_change_notify(sdata, changed);
2079
2080 return 0;
2081}
2082
31888487 2083static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2084 struct net_device *dev,
31888487
JM		 2085 struct ieee80211_txq_params *params)
2086{
2087 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2088 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2089 struct ieee80211_tx_queue_params p;
2090
2091 if (!local->ops->conf_tx)
2092 return -EOPNOTSUPP;
2093
54bcbc69
JB		 2094 if (local->hw.queues < IEEE80211_NUM_ACS)
2095 return -EOPNOTSUPP;
2096
31888487
JM		 2097 memset(&p, 0, sizeof(p));
2098 p.aifs = params->aifs;
2099 p.cw_max = params->cwmax;
2100 p.cw_min = params->cwmin;
2101 p.txop = params->txop;
ab13315a
KV		 2102
2103 /*
2104 * Setting tx queue params disables u-apsd because it's only
2105 * called in master mode.
2106 */
2107 p.uapsd = false;
2108
a3304b0a
JB		 2109 sdata->tx_conf[params->ac] = p;
2110 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2111 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2112 "failed to set TX queue parameters for AC %d\n",
2113 params->ac);
31888487
JM		 2114 return -EINVAL;
2115 }
2116
7d25745d
JB		 2117 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2118
31888487
JM		 2119 return 0;
2120}
2121
665af4fc 2122#ifdef CONFIG_PM
ff1b6e69
JB		 2123static int ieee80211_suspend(struct wiphy *wiphy,
2124 struct cfg80211_wowlan *wowlan)
665af4fc 2125{
eecc4800 2126 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2127}
2128
2129static int ieee80211_resume(struct wiphy *wiphy)
2130{
2131 return __ieee80211_resume(wiphy_priv(wiphy));
2132}
2133#else
2134#define ieee80211_suspend NULL
2135#define ieee80211_resume NULL
2136#endif
2137
2a519311 2138static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2139 struct cfg80211_scan_request *req)
2140{
fd014284
JB		 2141 struct ieee80211_sub_if_data *sdata;
2142
2143 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2144
2ca27bcf
JB		 2145 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2146 case NL80211_IFTYPE_STATION:
2147 case NL80211_IFTYPE_ADHOC:
2148 case NL80211_IFTYPE_MESH_POINT:
2149 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2150 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2151 break;
2152 case NL80211_IFTYPE_P2P_GO:
2153 if (sdata->local->ops->hw_scan)
2154 break;
e9d7732e
JB		 2155 /*
2156 * FIXME: implement NoA while scanning in software,
2157 * for now fall through to allow scanning only when
2158 * beaconing hasn't been configured yet
2159 */
2ca27bcf 2160 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2161 /*
2162 * If the scan has been forced (and the driver supports
2163 * forcing), don't care about being beaconing already.
2164 * This will create problems to the attached stations (e.g. all
2165 * the frames sent while scanning on other channel will be
2166 * lost)
2167 */
2168 if (sdata->u.ap.beacon &&
2169 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2170 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2171 return -EOPNOTSUPP;
2172 break;
2173 default:
2174 return -EOPNOTSUPP;
2175 }
2a519311
JB		 2176
2177 return ieee80211_request_scan(sdata, req);
2178}
2179
79f460ca
LC		 2180static int
2181ieee80211_sched_scan_start(struct wiphy *wiphy,
2182 struct net_device *dev,
2183 struct cfg80211_sched_scan_request *req)
2184{
2185 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2186
2187 if (!sdata->local->ops->sched_scan_start)
2188 return -EOPNOTSUPP;
2189
2190 return ieee80211_request_sched_scan_start(sdata, req);
2191}
2192
2193static int
85a9994a 2194ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2195{
2196 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2197
2198 if (!sdata->local->ops->sched_scan_stop)
2199 return -EOPNOTSUPP;
2200
85a9994a 2201 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2202}
2203
636a5d36
JM		 2204static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2205 struct cfg80211_auth_request *req)
2206{
77fdaa12 2207 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2208}
2209
2210static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2211 struct cfg80211_assoc_request *req)
2212{
77fdaa12 2213 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2214}
2215
2216static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2217 struct cfg80211_deauth_request *req)
636a5d36 2218{
63c9c5e7 2219 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2220}
2221
2222static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2223 struct cfg80211_disassoc_request *req)
636a5d36 2224{
63c9c5e7 2225 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2226}
2227
af8cdcd8
JB		 2228static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2229 struct cfg80211_ibss_params *params)
2230{
55de908a 2231 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2232}
2233
2234static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2235{
55de908a 2236 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2237}
2238
391e53e3
AQ		 2239static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2240 int rate[IEEE80211_NUM_BANDS])
2241{
2242 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2243
9887dbf5
CD		 2244 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2245 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2246
2247 return 0;
2248}
2249
b9a5f8ca
JM		 2250static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2251{
2252 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2253 int err;
b9a5f8ca 2254
f23a4780
AN		 2255 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2256 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2257
2258 if (err)
2259 return err;
2260 }
2261
310bc676
LT		 2262 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2263 err = drv_set_coverage_class(local, wiphy->coverage_class);
2264
2265 if (err)
2266 return err;
2267 }
2268
b9a5f8ca 2269 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2270 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2271
24487981
JB		 2272 if (err)
2273 return err;
b9a5f8ca
JM		 2274 }
2275
8bc83c24
JB		 2276 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2277 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2278 return -EINVAL;
b9a5f8ca 2279 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2280 }
2281 if (changed & WIPHY_PARAM_RETRY_LONG) {
2282 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2283 return -EINVAL;
b9a5f8ca 2284 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2285 }
b9a5f8ca
JM		 2286 if (changed &
2287 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2288 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2289
2290 return 0;
2291}
2292
7643a2c3 2293static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2294 struct wireless_dev *wdev,
fa61cf70 2295 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2296{
2297 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2298 struct ieee80211_sub_if_data *sdata;
7643a2c3 2299
1ea6f9c0
JB		 2300 if (wdev) {
2301 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2302
2303 switch (type) {
2304 case NL80211_TX_POWER_AUTOMATIC:
2305 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2306 break;
2307 case NL80211_TX_POWER_LIMITED:
2308 case NL80211_TX_POWER_FIXED:
2309 if (mbm < 0 || (mbm % 100))
2310 return -EOPNOTSUPP;
2311 sdata->user_power_level = MBM_TO_DBM(mbm);
2312 break;
2313 }
2314
2315 ieee80211_recalc_txpower(sdata);
2316
2317 return 0;
2318 }
55de908a 2319
7643a2c3 2320 switch (type) {
fa61cf70 2321 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2322 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2323 break;
fa61cf70 2324 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2325 case NL80211_TX_POWER_FIXED:
2326 if (mbm < 0 || (mbm % 100))
2327 return -EOPNOTSUPP;
fa61cf70 2328 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2329 break;
7643a2c3
JB		 2330 }
2331
1ea6f9c0
JB		 2332 mutex_lock(&local->iflist_mtx);
2333 list_for_each_entry(sdata, &local->interfaces, list)
2334 sdata->user_power_level = local->user_power_level;
2335 list_for_each_entry(sdata, &local->interfaces, list)
2336 ieee80211_recalc_txpower(sdata);
2337 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2338
2339 return 0;
2340}
2341
c8442118
JB		 2342static int ieee80211_get_tx_power(struct wiphy *wiphy,
2343 struct wireless_dev *wdev,
2344 int *dbm)
7643a2c3
JB		 2345{
2346 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2347 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2348
1ea6f9c0
JB		 2349 if (!local->use_chanctx)
2350 *dbm = local->hw.conf.power_level;
2351 else
2352 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2353
7643a2c3
JB		 2354 return 0;
2355}
2356
ab737a4f 2357static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2358 const u8 *addr)
ab737a4f
JB		 2359{
2360 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2361
2362 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2363
2364 return 0;
2365}
2366
1f87f7d3
JB		 2367static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2368{
2369 struct ieee80211_local *local = wiphy_priv(wiphy);
2370
2371 drv_rfkill_poll(local);
2372}
2373
aff89a9b 2374#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2375static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2376 struct wireless_dev *wdev,
2377 void *data, int len)
aff89a9b
JB		 2378{
2379 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2380 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2381
2382 if (!local->ops->testmode_cmd)
2383 return -EOPNOTSUPP;
2384
52981cd7
DS		 2385 if (wdev) {
2386 struct ieee80211_sub_if_data *sdata;
2387
2388 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2389 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2390 vif = &sdata->vif;
2391 }
2392
2393 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2394}
71063f0e
WYG		 2395
2396static int ieee80211_testmode_dump(struct wiphy *wiphy,
2397 struct sk_buff *skb,
2398 struct netlink_callback *cb,
2399 void *data, int len)
2400{
2401 struct ieee80211_local *local = wiphy_priv(wiphy);
2402
2403 if (!local->ops->testmode_dump)
2404 return -EOPNOTSUPP;
2405
2406 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2407}
aff89a9b
JB		 2408#endif
2409
687da132
EG		 2410int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2411 enum ieee80211_smps_mode smps_mode)
2412{
2413 struct sta_info *sta;
2414 enum ieee80211_smps_mode old_req;
2415 int i;
2416
2417 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2418 return -EINVAL;
2419
2420 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2421 return 0;
2422
2423 old_req = sdata->u.ap.req_smps;
2424 sdata->u.ap.req_smps = smps_mode;
2425
2426 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2427 if (old_req == smps_mode ||
2428 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2429 return 0;
2430
2431 /* If no associated stations, there's no need to do anything */
2432 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2433 sdata->smps_mode = smps_mode;
2434 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2435 return 0;
2436 }
2437
2438 ht_dbg(sdata,
2439 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2440 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2441
2442 mutex_lock(&sdata->local->sta_mtx);
2443 for (i = 0; i < STA_HASH_SIZE; i++) {
2444 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2445 lockdep_is_held(&sdata->local->sta_mtx));
2446 sta;
2447 sta = rcu_dereference_protected(sta->hnext,
2448 lockdep_is_held(&sdata->local->sta_mtx))) {
2449 /*
2450 * Only stations associated to our AP and
2451 * associated VLANs
2452 */
2453 if (sta->sdata->bss != &sdata->u.ap)
2454 continue;
2455
2456 /* This station doesn't support MIMO - skip it */
2457 if (sta_info_tx_streams(sta) == 1)
2458 continue;
2459
2460 /*
2461 * Don't wake up a STA just to send the action frame
2462 * unless we are getting more restrictive.
2463 */
2464 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2465 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2466 smps_mode)) {
2467 ht_dbg(sdata,
2468 "Won't send SMPS to sleeping STA %pM\n",
2469 sta->sta.addr);
2470 continue;
2471 }
2472
2473 /*
2474 * If the STA is not authorized, wait until it gets
2475 * authorized and the action frame will be sent then.
2476 */
2477 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2478 continue;
2479
2480 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2481 ieee80211_send_smps_action(sdata, smps_mode,
2482 sta->sta.addr,
2483 sdata->vif.bss_conf.bssid);
2484 }
2485 }
2486 mutex_unlock(&sdata->local->sta_mtx);
2487
2488 sdata->smps_mode = smps_mode;
2489 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2490
2491 return 0;
2492}
2493
2494int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2495 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2496{
2497 const u8 *ap;
2498 enum ieee80211_smps_mode old_req;
2499 int err;
2500
8d61ffa5 2501 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2502
687da132
EG		 2503 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2504 return -EINVAL;
2505
0f78231b
JB		 2506 old_req = sdata->u.mgd.req_smps;
2507 sdata->u.mgd.req_smps = smps_mode;
2508
2509 if (old_req == smps_mode &&
2510 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2511 return 0;
2512
2513 /*
2514 * If not associated, or current association is not an HT
04ecd257
JB		 2515 * association, there's no need to do anything, just store
2516 * the new value until we associate.
0f78231b
JB		 2517 */
2518 if (!sdata->u.mgd.associated ||
4bf88530 2519 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2520 return 0;
0f78231b 2521
0c1ad2ca 2522 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2523
2524 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2525 if (sdata->u.mgd.powersave)
2526 smps_mode = IEEE80211_SMPS_DYNAMIC;
2527 else
2528 smps_mode = IEEE80211_SMPS_OFF;
2529 }
2530
2531 /* send SM PS frame to AP */
2532 err = ieee80211_send_smps_action(sdata, smps_mode,
2533 ap, ap);
2534 if (err)
2535 sdata->u.mgd.req_smps = old_req;
2536
2537 return err;
2538}
2539
bc92afd9
JB		 2540static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2541 bool enabled, int timeout)
2542{
2543 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2544 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2545
2d3db210 2546 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2547 return -EOPNOTSUPP;
2548
bc92afd9
JB		 2549 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2550 return -EOPNOTSUPP;
2551
2552 if (enabled == sdata->u.mgd.powersave &&
ff616381 2553 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2554 return 0;
2555
2556 sdata->u.mgd.powersave = enabled;
ff616381 2557 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2558
0f78231b 2559 /* no change, but if automatic follow powersave */
ed405be5 2560 sdata_lock(sdata);
687da132 2561 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2562 sdata_unlock(sdata);
0f78231b 2563
bc92afd9
JB		 2564 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2565 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2566
2567 ieee80211_recalc_ps(local, -1);
ab095877 2568 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2569
2570 return 0;
2571}
2572
a97c13c3
JO		 2573static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2574 struct net_device *dev,
2575 s32 rssi_thold, u32 rssi_hyst)
2576{
2577 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2578 struct ieee80211_vif *vif = &sdata->vif;
2579 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2580
a97c13c3
JO		 2581 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2582 rssi_hyst == bss_conf->cqm_rssi_hyst)
2583 return 0;
2584
2585 bss_conf->cqm_rssi_thold = rssi_thold;
2586 bss_conf->cqm_rssi_hyst = rssi_hyst;
2587
2588 /* tell the driver upon association, unless already associated */
ea086359
JB		 2589 if (sdata->u.mgd.associated &&
2590 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2591 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2592
2593 return 0;
2594}
2595
9930380f
JB		 2596static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2597 struct net_device *dev,
2598 const u8 *addr,
2599 const struct cfg80211_bitrate_mask *mask)
2600{
2601 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2602 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2603 int i, ret;
2c7e6bc9 2604
554a43d5
EP		 2605 if (!ieee80211_sdata_running(sdata))
2606 return -ENETDOWN;
2607
bdbfd6b5
SM		 2608 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2609 ret = drv_set_bitrate_mask(local, sdata, mask);
2610 if (ret)
2611 return ret;
2612 }
9930380f 2613
19468413 2614 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2615 struct ieee80211_supported_band *sband = wiphy->bands[i];
2616 int j;
2617
37eb0b16 2618 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2619 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2620 sizeof(mask->control[i].ht_mcs));
2ffbe6d3
FF		 2621
2622 sdata->rc_has_mcs_mask[i] = false;
2623 if (!sband)
2624 continue;
2625
2626 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2627 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2628 sdata->rc_has_mcs_mask[i] = true;
2629 break;
2630 }
19468413 2631 }
9930380f 2632
37eb0b16 2633 return 0;
9930380f
JB		 2634}
2635
2eb278e0
JB		 2636static int ieee80211_start_roc_work(struct ieee80211_local *local,
2637 struct ieee80211_sub_if_data *sdata,
2638 struct ieee80211_channel *channel,
2eb278e0 2639 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2640 struct sk_buff *txskb,
2641 enum ieee80211_roc_type type)
2eb278e0
JB		 2642{
2643 struct ieee80211_roc_work *roc, *tmp;
2644 bool queued = false;
21f83589 2645 int ret;
21f83589
JB		 2646
2647 lockdep_assert_held(&local->mtx);
2648
fe57d9f5
JB		 2649 if (local->use_chanctx && !local->ops->remain_on_channel)
2650 return -EOPNOTSUPP;
2651
2eb278e0
JB		 2652 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2653 if (!roc)
2654 return -ENOMEM;
2655
2fae062e
IP		 2656 /*
2657 * If the duration is zero, then the driver
2658 * wouldn't actually do anything. Set it to
2659 * 10 for now.
2660 *
2661 * TODO: cancel the off-channel operation
2662 * when we get the SKB's TX status and
2663 * the wait time was zero before.
2664 */
2665 if (!duration)
2666 duration = 10;
2667
2eb278e0 2668 roc->chan = channel;
2eb278e0
JB		 2669 roc->duration = duration;
2670 roc->req_duration = duration;
2671 roc->frame = txskb;
d339d5ca 2672 roc->type = type;
2eb278e0
JB		 2673 roc->mgmt_tx_cookie = (unsigned long)txskb;
2674 roc->sdata = sdata;
2675 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2676 INIT_LIST_HEAD(&roc->dependents);
2677
2f617435
EP		 2678 /*
2679 * cookie is either the roc cookie (for normal roc)
2680 * or the SKB (for mgmt TX)
2681 */
2682 if (!txskb) {
2683 /* local->mtx protects this */
2684 local->roc_cookie_counter++;
2685 roc->cookie = local->roc_cookie_counter;
2686 /* wow, you wrapped 64 bits ... more likely a bug */
2687 if (WARN_ON(roc->cookie == 0)) {
2688 roc->cookie = 1;
2689 local->roc_cookie_counter++;
2690 }
2691 *cookie = roc->cookie;
2692 } else {
2693 *cookie = (unsigned long)txskb;
2694 }
2695
2eb278e0 2696 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2697 if (!list_empty(&local->roc_list) ||
2698 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2699 goto out_check_combine;
2700
2701 /* if not HW assist, just queue & schedule work */
2702 if (!local->ops->remain_on_channel) {
2703 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2704 goto out_queue;
2705 }
2706
2707 /* otherwise actually kick it off here (for error handling) */
2708
d339d5ca 2709 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2710 if (ret) {
2eb278e0
JB		 2711 kfree(roc);
2712 return ret;
21f83589
JB		 2713 }
2714
2eb278e0
JB		 2715 roc->started = true;
2716 goto out_queue;
2717
2718 out_check_combine:
2719 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2720 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2721 continue;
2722
2723 /*
2724 * Extend this ROC if possible:
2725 *
2726 * If it hasn't started yet, just increase the duration
2727 * and add the new one to the list of dependents.
d339d5ca
IP		 2728 * If the type of the new ROC has higher priority, modify the
2729 * type of the previous one to match that of the new one.
2eb278e0
JB		 2730 */
2731 if (!tmp->started) {
2732 list_add_tail(&roc->list, &tmp->dependents);
2733 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2734 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2735 queued = true;
2736 break;
2737 }
2738
2739 /* If it has already started, it's more difficult ... */
2740 if (local->ops->remain_on_channel) {
2741 unsigned long j = jiffies;
2742
2743 /*
2744 * In the offloaded ROC case, if it hasn't begun, add
2745 * this new one to the dependent list to be handled
d339d5ca 2746 * when the master one begins. If it has begun,
2eb278e0
JB		 2747 * check that there's still a minimum time left and
2748 * if so, start this one, transmitting the frame, but
d339d5ca 2749 * add it to the list directly after this one with
2eb278e0
JB		 2750 * a reduced time so we'll ask the driver to execute
2751 * it right after finishing the previous one, in the
2752 * hope that it'll also be executed right afterwards,
2753 * effectively extending the old one.
2754 * If there's no minimum time left, just add it to the
2755 * normal list.
d339d5ca
IP		 2756 * TODO: the ROC type is ignored here, assuming that it
2757 * is better to immediately use the current ROC.
2eb278e0
JB		 2758 */
2759 if (!tmp->hw_begun) {
2760 list_add_tail(&roc->list, &tmp->dependents);
2761 queued = true;
2762 break;
2763 }
2764
2765 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2766 tmp->hw_start_time +
2767 msecs_to_jiffies(tmp->duration))) {
2768 int new_dur;
2769
2770 ieee80211_handle_roc_started(roc);
2771
2772 new_dur = roc->duration -
2773 jiffies_to_msecs(tmp->hw_start_time +
2774 msecs_to_jiffies(
2775 tmp->duration) -
2776 j);
2777
2778 if (new_dur > 0) {
2779 /* add right after tmp */
2780 list_add(&roc->list, &tmp->list);
2781 } else {
2782 list_add_tail(&roc->list,
2783 &tmp->dependents);
2784 }
2785 queued = true;
2786 }
2787 } else if (del_timer_sync(&tmp->work.timer)) {
2788 unsigned long new_end;
2789
2790 /*
2791 * In the software ROC case, cancel the timer, if
2792 * that fails then the finish work is already
2793 * queued/pending and thus we queue the new ROC
2794 * normally, if that succeeds then we can extend
2795 * the timer duration and TX the frame (if any.)
2796 */
2797
2798 list_add_tail(&roc->list, &tmp->dependents);
2799 queued = true;
2800
2801 new_end = jiffies + msecs_to_jiffies(roc->duration);
2802
2803 /* ok, it was started & we canceled timer */
2804 if (time_after(new_end, tmp->work.timer.expires))
2805 mod_timer(&tmp->work.timer, new_end);
2806 else
2807 add_timer(&tmp->work.timer);
2808
2809 ieee80211_handle_roc_started(roc);
2810 }
2811 break;
2812 }
2813
2814 out_queue:
2815 if (!queued)
2816 list_add_tail(&roc->list, &local->roc_list);
2817
2eb278e0 2818 return 0;
21f83589
JB		 2819}
2820
b8bc4b0a 2821static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2822 struct wireless_dev *wdev,
b8bc4b0a 2823 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2824 unsigned int duration,
2825 u64 *cookie)
2826{
71bbc994 2827 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2828 struct ieee80211_local *local = sdata->local;
2eb278e0 2829 int ret;
21f83589 2830
2eb278e0 2831 mutex_lock(&local->mtx);
42d97a59 2832 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2833 duration, cookie, NULL,
2834 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2835 mutex_unlock(&local->mtx);
b8bc4b0a 2836
2eb278e0 2837 return ret;
b8bc4b0a
JB		 2838}
2839
2eb278e0
JB		 2840static int ieee80211_cancel_roc(struct ieee80211_local *local,
2841 u64 cookie, bool mgmt_tx)
21f83589 2842{
2eb278e0 2843 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2844 int ret;
2845
2eb278e0
JB		 2846 mutex_lock(&local->mtx);
2847 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2848 struct ieee80211_roc_work *dep, *tmp2;
2849
2850 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2851 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2852 continue;
2853 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2854 continue;
2855 /* found dependent item -- just remove it */
2856 list_del(&dep->list);
2857 mutex_unlock(&local->mtx);
2858
3fbd45ca 2859 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2860 return 0;
2861 }
2862
50febf6a 2863 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2864 continue;
2865 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2866 continue;
21f83589 2867
2eb278e0
JB		 2868 found = roc;
2869 break;
2870 }
21f83589 2871
2eb278e0
JB		 2872 if (!found) {
2873 mutex_unlock(&local->mtx);
2874 return -ENOENT;
2875 }
21f83589 2876
e979e33c
JB		 2877 /*
2878 * We found the item to cancel, so do that. Note that it
2879 * may have dependents, which we also cancel (and send
2880 * the expired signal for.) Not doing so would be quite
2881 * tricky here, but we may need to fix it later.
2882 */
2883
2eb278e0
JB		 2884 if (local->ops->remain_on_channel) {
2885 if (found->started) {
2886 ret = drv_cancel_remain_on_channel(local);
2887 if (WARN_ON_ONCE(ret)) {
2888 mutex_unlock(&local->mtx);
2889 return ret;
2890 }
2891 }
21f83589 2892
2eb278e0 2893 list_del(&found->list);
21f83589 2894
0f6b3f59
JB		 2895 if (found->started)
2896 ieee80211_start_next_roc(local);
2eb278e0 2897 mutex_unlock(&local->mtx);
21f83589 2898
3fbd45ca 2899 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2900 } else {
2901 /* work may be pending so use it all the time */
2902 found->abort = true;
2903 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2904
21f83589
JB		 2905 mutex_unlock(&local->mtx);
2906
2eb278e0
JB		 2907 /* work will clean up etc */
2908 flush_delayed_work(&found->work);
3fbd45ca
JB		 2909 WARN_ON(!found->to_be_freed);
2910 kfree(found);
21f83589 2911 }
b8bc4b0a 2912
2eb278e0 2913 return 0;
b8bc4b0a
JB		 2914}
2915
2eb278e0 2916static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2917 struct wireless_dev *wdev,
2eb278e0 2918 u64 cookie)
f30221e4 2919{
71bbc994 2920 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2921 struct ieee80211_local *local = sdata->local;
f30221e4 2922
2eb278e0 2923 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2924}
2925
164eb02d
SW		 2926static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2927 struct net_device *dev,
31559f35
JD		 2928 struct cfg80211_chan_def *chandef,
2929 u32 cac_time_ms)
164eb02d
SW		 2930{
2931 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2932 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2933 int err;
2934
34a3740d
JB		 2935 mutex_lock(&local->mtx);
2936 if (!list_empty(&local->roc_list) || local->scanning) {
2937 err = -EBUSY;
2938 goto out_unlock;
2939 }
164eb02d
SW		 2940
2941 /* whatever, but channel contexts should not complain about that one */
2942 sdata->smps_mode = IEEE80211_SMPS_OFF;
2943 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2944
164eb02d
SW		 2945 err = ieee80211_vif_use_channel(sdata, chandef,
2946 IEEE80211_CHANCTX_SHARED);
164eb02d 2947 if (err)
34a3740d 2948 goto out_unlock;
164eb02d 2949
164eb02d 2950 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2951 &sdata->dfs_cac_timer_work,
2952 msecs_to_jiffies(cac_time_ms));
164eb02d 2953
34a3740d
JB		 2954 out_unlock:
2955 mutex_unlock(&local->mtx);
2956 return err;
164eb02d
SW		 2957}
2958
73da7d5b
SW		 2959static struct cfg80211_beacon_data *
2960cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2961{
2962 struct cfg80211_beacon_data *new_beacon;
2963 u8 *pos;
2964 int len;
2965
2966 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2967 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2968 beacon->probe_resp_len;
2969
2970 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2971 if (!new_beacon)
2972 return NULL;
2973
2974 pos = (u8 *)(new_beacon + 1);
2975 if (beacon->head_len) {
2976 new_beacon->head_len = beacon->head_len;
2977 new_beacon->head = pos;
2978 memcpy(pos, beacon->head, beacon->head_len);
2979 pos += beacon->head_len;
2980 }
2981 if (beacon->tail_len) {
2982 new_beacon->tail_len = beacon->tail_len;
2983 new_beacon->tail = pos;
2984 memcpy(pos, beacon->tail, beacon->tail_len);
2985 pos += beacon->tail_len;
2986 }
2987 if (beacon->beacon_ies_len) {
2988 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2989 new_beacon->beacon_ies = pos;
2990 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2991 pos += beacon->beacon_ies_len;
2992 }
2993 if (beacon->proberesp_ies_len) {
2994 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2995 new_beacon->proberesp_ies = pos;
2996 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2997 pos += beacon->proberesp_ies_len;
2998 }
2999 if (beacon->assocresp_ies_len) {
3000 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3001 new_beacon->assocresp_ies = pos;
3002 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3003 pos += beacon->assocresp_ies_len;
3004 }
3005 if (beacon->probe_resp_len) {
3006 new_beacon->probe_resp_len = beacon->probe_resp_len;
3007 beacon->probe_resp = pos;
3008 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3009 pos += beacon->probe_resp_len;
3010 }
3011
3012 return new_beacon;
3013}
3014
66e01cf9 3015void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 3016{
66e01cf9 3017 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 3018
66e01cf9
LC		 3019 ieee80211_queue_work(&sdata->local->hw,
3020 &sdata->csa_finalize_work);
3021}
3022EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 3023
66e01cf9
LC		 3024static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3025{
3026 struct ieee80211_local *local = sdata->local;
3027 int err, changed = 0;
73da7d5b 3028
dbd72850
MK		 3029 sdata_assert_lock(sdata);
3030
34a3740d 3031 mutex_lock(&local->mtx);
cc901de1 3032 sdata->radar_required = sdata->csa_radar_required;
33787fc4 3033 err = ieee80211_vif_change_channel(sdata, &changed);
34a3740d 3034 mutex_unlock(&local->mtx);
73da7d5b 3035 if (WARN_ON(err < 0))
66e01cf9 3036 return;
73da7d5b 3037
7578d575 3038 if (!local->use_chanctx) {
33787fc4 3039 local->_oper_chandef = sdata->csa_chandef;
7578d575
AN		 3040 ieee80211_hw_config(local, 0);
3041 }
3042
e487eaeb 3043 sdata->vif.csa_active = false;
cd7760e6
SW		 3044 switch (sdata->vif.type) {
3045 case NL80211_IFTYPE_AP:
3046 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
97518af1
MK		 3047 kfree(sdata->u.ap.next_beacon);
3048 sdata->u.ap.next_beacon = NULL;
3049
cd7760e6 3050 if (err < 0)
66e01cf9 3051 return;
cd7760e6 3052 changed |= err;
cd7760e6
SW		 3053 break;
3054 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 3055 err = ieee80211_ibss_finish_csa(sdata);
3056 if (err < 0)
3057 return;
3058 changed |= err;
cd7760e6 3059 break;
b8456a14
CYY		 3060#ifdef CONFIG_MAC80211_MESH
3061 case NL80211_IFTYPE_MESH_POINT:
3062 err = ieee80211_mesh_finish_csa(sdata);
3063 if (err < 0)
66e01cf9 3064 return;
faf046e7 3065 changed |= err;
b8456a14
CYY		 3066 break;
3067#endif
cd7760e6
SW		 3068 default:
3069 WARN_ON(1);
66e01cf9 3070 return;
cd7760e6 3071 }
73da7d5b 3072
faf046e7
MK		 3073 ieee80211_bss_info_change_notify(sdata, changed);
3074
73da7d5b
SW		 3075 ieee80211_wake_queues_by_reason(&sdata->local->hw,
3076 IEEE80211_MAX_QUEUE_MAP,
3077 IEEE80211_QUEUE_STOP_REASON_CSA);
3078
33787fc4 3079 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
66e01cf9
LC		 3080}
3081
3082void ieee80211_csa_finalize_work(struct work_struct *work)
3083{
3084 struct ieee80211_sub_if_data *sdata =
3085 container_of(work, struct ieee80211_sub_if_data,
3086 csa_finalize_work);
3087
3088 sdata_lock(sdata);
3089 /* AP might have been stopped while waiting for the lock. */
3090 if (!sdata->vif.csa_active)
3091 goto unlock;
3092
3093 if (!ieee80211_sdata_running(sdata))
3094 goto unlock;
3095
3096 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3097
3098unlock:
3099 sdata_unlock(sdata);
73da7d5b
SW		 3100}
3101
37fa2bdd
MK		 3102static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3103 struct cfg80211_csa_settings *params,
3104 u32 *changed)
73da7d5b 3105{
37fa2bdd 3106 int err;
73da7d5b 3107
73da7d5b
SW		 3108 switch (sdata->vif.type) {
3109 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3110 sdata->u.ap.next_beacon =
3111 cfg80211_beacon_dup(&params->beacon_after);
3112 if (!sdata->u.ap.next_beacon)
3113 return -ENOMEM;
3114
66e01cf9
LC		 3115 /*
3116 * With a count of 0, we don't have to wait for any
3117 * TBTT before switching, so complete the CSA
3118 * immediately. In theory, with a count == 1 we
3119 * should delay the switch until just before the next
3120 * TBTT, but that would complicate things so we switch
3121 * immediately too. If we would delay the switch
3122 * until the next TBTT, we would have to set the probe
3123 * response here.
3124 *
3125 * TODO: A channel switch with count <= 1 without
3126 * sending a CSA action frame is kind of useless,
3127 * because the clients won't know we're changing
3128 * channels. The action frame must be implemented
3129 * either here or in the userspace.
3130 */
3131 if (params->count <= 1)
3132 break;
3133
3134 sdata->csa_counter_offset_beacon =
3135 params->counter_offset_beacon;
3136 sdata->csa_counter_offset_presp = params->counter_offset_presp;
cd7760e6
SW		 3137 err = ieee80211_assign_beacon(sdata, &params->beacon_csa);
3138 if (err < 0) {
3139 kfree(sdata->u.ap.next_beacon);
3140 return err;
3141 }
37fa2bdd 3142 *changed |= err;
66e01cf9 3143
cd7760e6
SW		 3144 break;
3145 case NL80211_IFTYPE_ADHOC:
3146 if (!sdata->vif.bss_conf.ibss_joined)
3147 return -EINVAL;
3148
3149 if (params->chandef.width != sdata->u.ibss.chandef.width)
3150 return -EINVAL;
3151
3152 switch (params->chandef.width) {
3153 case NL80211_CHAN_WIDTH_40:
3154 if (cfg80211_get_chandef_type(&params->chandef) !=
3155 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3156 return -EINVAL;
3157 case NL80211_CHAN_WIDTH_5:
3158 case NL80211_CHAN_WIDTH_10:
3159 case NL80211_CHAN_WIDTH_20_NOHT:
3160 case NL80211_CHAN_WIDTH_20:
3161 break;
3162 default:
3163 return -EINVAL;
3164 }
3165
3166 /* changes into another band are not supported */
3167 if (sdata->u.ibss.chandef.chan->band !=
3168 params->chandef.chan->band)
3169 return -EINVAL;
3170
66e01cf9
LC		 3171 /* see comments in the NL80211_IFTYPE_AP block */
3172 if (params->count > 1) {
3173 err = ieee80211_ibss_csa_beacon(sdata, params);
3174 if (err < 0)
3175 return err;
37fa2bdd 3176 *changed |= err;
66e01cf9
LC		 3177 }
3178
3179 ieee80211_send_action_csa(sdata, params);
3180
73da7d5b 3181 break;
c6da674a 3182#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3183 case NL80211_IFTYPE_MESH_POINT: {
3184 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3185
c6da674a
CYY		 3186 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3187 return -EINVAL;
3188
3189 /* changes into another band are not supported */
3190 if (sdata->vif.bss_conf.chandef.chan->band !=
3191 params->chandef.chan->band)
3192 return -EINVAL;
3193
c782bf8c 3194 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3195 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3196 if (!ifmsh->pre_value)
3197 ifmsh->pre_value = 1;
3198 else
3199 ifmsh->pre_value++;
3200 }
0cb4d4dc 3201
66e01cf9
LC		 3202 /* see comments in the NL80211_IFTYPE_AP block */
3203 if (params->count > 1) {
3204 err = ieee80211_mesh_csa_beacon(sdata, params);
3205 if (err < 0) {
3206 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3207 return err;
3208 }
37fa2bdd 3209 *changed |= err;
3f718fd8 3210 }
66e01cf9
LC		 3211
3212 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3213 ieee80211_send_action_csa(sdata, params);
3214
c6da674a 3215 break;
37fa2bdd 3216 }
c6da674a 3217#endif
73da7d5b
SW		 3218 default:
3219 return -EOPNOTSUPP;
3220 }
3221
37fa2bdd
MK		 3222 return 0;
3223}
3224
3225int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3226 struct cfg80211_csa_settings *params)
3227{
3228 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3229 struct ieee80211_local *local = sdata->local;
2b32713d 3230 struct ieee80211_chanctx_conf *conf;
37fa2bdd
MK		 3231 struct ieee80211_chanctx *chanctx;
3232 int err, num_chanctx, changed = 0;
3233
3234 sdata_assert_lock(sdata);
3235
3236 if (!list_empty(&local->roc_list) || local->scanning)
3237 return -EBUSY;
3238
3239 if (sdata->wdev.cac_started)
3240 return -EBUSY;
3241
3242 if (cfg80211_chandef_identical(&params->chandef,
3243 &sdata->vif.bss_conf.chandef))
3244 return -EINVAL;
3245
2b32713d
MK		 3246 mutex_lock(&local->chanctx_mtx);
3247 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3248 lockdep_is_held(&local->chanctx_mtx));
3249 if (!conf) {
3250 mutex_unlock(&local->chanctx_mtx);
37fa2bdd
MK		 3251 return -EBUSY;
3252 }
3253
3254 /* don't handle for multi-VIF cases */
2b32713d 3255 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
c0166da9 3256 if (ieee80211_chanctx_refcount(local, chanctx) > 1) {
2b32713d 3257 mutex_unlock(&local->chanctx_mtx);
37fa2bdd
MK		 3258 return -EBUSY;
3259 }
3260 num_chanctx = 0;
3261 list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
3262 num_chanctx++;
2b32713d 3263 mutex_unlock(&local->chanctx_mtx);
37fa2bdd
MK		 3264
3265 if (num_chanctx > 1)
3266 return -EBUSY;
3267
3268 /* don't allow another channel switch if one is already active. */
3269 if (sdata->vif.csa_active)
3270 return -EBUSY;
3271
3272 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3273 if (err)
3274 return err;
3275
73da7d5b
SW		 3276 sdata->csa_radar_required = params->radar_required;
3277
3278 if (params->block_tx)
3279 ieee80211_stop_queues_by_reason(&local->hw,
3280 IEEE80211_MAX_QUEUE_MAP,
3281 IEEE80211_QUEUE_STOP_REASON_CSA);
3282
33787fc4 3283 sdata->csa_chandef = params->chandef;
73da7d5b
SW		 3284 sdata->vif.csa_active = true;
3285
66e01cf9
LC		 3286 if (changed) {
3287 ieee80211_bss_info_change_notify(sdata, changed);
3288 drv_channel_switch_beacon(sdata, &params->chandef);
3289 } else {
3290 /* if the beacon didn't change, we can finalize immediately */
3291 ieee80211_csa_finalize(sdata);
3292 }
73da7d5b
SW		 3293
3294 return 0;
3295}
3296
71bbc994 3297static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3298 struct cfg80211_mgmt_tx_params *params,
3299 u64 *cookie)
026331c4 3300{
71bbc994 3301 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3302 struct ieee80211_local *local = sdata->local;
3303 struct sk_buff *skb;
3304 struct sta_info *sta;
b176e629 3305 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3306 bool need_offchan = false;
e247bd90 3307 u32 flags;
2eb278e0 3308 int ret;
f7ca38df 3309
b176e629 3310 if (params->dont_wait_for_ack)
e247bd90
JB		 3311 flags = IEEE80211_TX_CTL_NO_ACK;
3312 else
3313 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3314 IEEE80211_TX_CTL_REQ_TX_STATUS;
3315
b176e629 3316 if (params->no_cck)
aad14ceb
RM		 3317 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3318
9d38d85d
JB		 3319 switch (sdata->vif.type) {
3320 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3321 if (!sdata->vif.bss_conf.ibss_joined)
3322 need_offchan = true;
3323 /* fall through */
3324#ifdef CONFIG_MAC80211_MESH
3325 case NL80211_IFTYPE_MESH_POINT:
3326 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3327 !sdata->u.mesh.mesh_id_len)
3328 need_offchan = true;
3329 /* fall through */
3330#endif
663fcafd
JB		 3331 case NL80211_IFTYPE_AP:
3332 case NL80211_IFTYPE_AP_VLAN:
3333 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3334 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3335 !ieee80211_vif_is_mesh(&sdata->vif) &&
3336 !rcu_access_pointer(sdata->bss->beacon))
3337 need_offchan = true;
663fcafd 3338 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3339 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3340 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3341 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3342 break;
3343 rcu_read_lock();
3344 sta = sta_info_get(sdata, mgmt->da);
3345 rcu_read_unlock();
3346 if (!sta)
3347 return -ENOLINK;
3348 break;
3349 case NL80211_IFTYPE_STATION:
663fcafd 3350 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3351 if (!sdata->u.mgd.associated)
3352 need_offchan = true;
9d38d85d 3353 break;
f142c6b9
JB		 3354 case NL80211_IFTYPE_P2P_DEVICE:
3355 need_offchan = true;
3356 break;
9d38d85d
JB		 3357 default:
3358 return -EOPNOTSUPP;
3359 }
3360
f7aeb6fb
AQ		 3361 /* configurations requiring offchan cannot work if no channel has been
3362 * specified
3363 */
b176e629 3364 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3365 return -EINVAL;
3366
2eb278e0
JB		 3367 mutex_lock(&local->mtx);
3368
3369 /* Check if the operating channel is the requested channel */
3370 if (!need_offchan) {
55de908a
JB		 3371 struct ieee80211_chanctx_conf *chanctx_conf;
3372
3373 rcu_read_lock();
3374 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3375
f7aeb6fb 3376 if (chanctx_conf) {
b176e629
AO		 3377 need_offchan = params->chan &&
3378 (params->chan !=
3379 chanctx_conf->def.chan);
3380 } else if (!params->chan) {
f7aeb6fb
AQ		 3381 ret = -EINVAL;
3382 rcu_read_unlock();
3383 goto out_unlock;
3384 } else {
2eb278e0 3385 need_offchan = true;
f7aeb6fb 3386 }
55de908a 3387 rcu_read_unlock();
2eb278e0
JB		 3388 }
3389
b176e629 3390 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3391 ret = -EBUSY;
3392 goto out_unlock;
3393 }
3394
b176e629 3395 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3396 if (!skb) {
3397 ret = -ENOMEM;
3398 goto out_unlock;
3399 }
9d38d85d
JB		 3400 skb_reserve(skb, local->hw.extra_tx_headroom);
3401
b176e629 3402 memcpy(skb_put(skb, params->len), params->buf, params->len);
9d38d85d
JB		 3403
3404 IEEE80211_SKB_CB(skb)->flags = flags;
3405
3406 skb->dev = sdata->dev;
9d38d85d 3407
2eb278e0 3408 if (!need_offchan) {
7f9f78ab 3409 *cookie = (unsigned long) skb;
f30221e4 3410 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3411 ret = 0;
3412 goto out_unlock;
f30221e4
JB		 3413 }
3414
6c17b77b
SF		 3415 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3416 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3417 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3418 IEEE80211_SKB_CB(skb)->hw_queue =
3419 local->hw.offchannel_tx_hw_queue;
f30221e4 3420
2eb278e0 3421 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3422 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3423 params->wait, cookie, skb,
d339d5ca 3424 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3425 if (ret)
3426 kfree_skb(skb);
3427 out_unlock:
3428 mutex_unlock(&local->mtx);
3429 return ret;
026331c4
JM		 3430}
3431
f30221e4 3432static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3433 struct wireless_dev *wdev,
f30221e4
JB		 3434 u64 cookie)
3435{
71bbc994 3436 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3437
2eb278e0 3438 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3439}
3440
7be5086d 3441static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3442 struct wireless_dev *wdev,
7be5086d
JB		 3443 u16 frame_type, bool reg)
3444{
3445 struct ieee80211_local *local = wiphy_priv(wiphy);
3446
6abe0563 3447 switch (frame_type) {
6abe0563
WH		 3448 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3449 if (reg)
3450 local->probe_req_reg++;
3451 else
3452 local->probe_req_reg--;
7be5086d 3453
35f5149e
FF		 3454 if (!local->open_count)
3455 break;
3456
6abe0563
WH		 3457 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3458 break;
3459 default:
3460 break;
3461 }
7be5086d
JB		 3462}
3463
15d96753
BR		 3464static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3465{
3466 struct ieee80211_local *local = wiphy_priv(wiphy);
3467
3468 if (local->started)
3469 return -EOPNOTSUPP;
3470
3471 return drv_set_antenna(local, tx_ant, rx_ant);
3472}
3473
3474static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3475{
3476 struct ieee80211_local *local = wiphy_priv(wiphy);
3477
3478 return drv_get_antenna(local, tx_ant, rx_ant);
3479}
3480
38c09159
JL		 3481static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
3482{
3483 struct ieee80211_local *local = wiphy_priv(wiphy);
3484
3485 return drv_set_ringparam(local, tx, rx);
3486}
3487
3488static void ieee80211_get_ringparam(struct wiphy *wiphy,
3489 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
3490{
3491 struct ieee80211_local *local = wiphy_priv(wiphy);
3492
3493 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
3494}
3495
c68f4b89
JB		 3496static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3497 struct net_device *dev,
3498 struct cfg80211_gtk_rekey_data *data)
3499{
3500 struct ieee80211_local *local = wiphy_priv(wiphy);
3501 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3502
3503 if (!local->ops->set_rekey_data)
3504 return -EOPNOTSUPP;
3505
3506 drv_set_rekey_data(local, sdata, data);
3507
3508 return 0;
3509}
3510
06500736
JB		 3511static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3512 const u8 *peer, u64 *cookie)
3513{
3514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3515 struct ieee80211_local *local = sdata->local;
3516 struct ieee80211_qos_hdr *nullfunc;
3517 struct sk_buff *skb;
3518 int size = sizeof(*nullfunc);
3519 __le16 fc;
3520 bool qos;
3521 struct ieee80211_tx_info *info;
3522 struct sta_info *sta;
55de908a
JB		 3523 struct ieee80211_chanctx_conf *chanctx_conf;
3524 enum ieee80211_band band;
06500736
JB		 3525
3526 rcu_read_lock();
55de908a
JB		 3527 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3528 if (WARN_ON(!chanctx_conf)) {
3529 rcu_read_unlock();
3530 return -EINVAL;
3531 }
4bf88530 3532 band = chanctx_conf->def.chan->band;
03bb7f42 3533 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3534 if (sta) {
06500736 3535 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3536 } else {
3537 rcu_read_unlock();
06500736 3538 return -ENOLINK;
b4487c2d 3539 }
06500736
JB		 3540
3541 if (qos) {
3542 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3543 IEEE80211_STYPE_QOS_NULLFUNC |
3544 IEEE80211_FCTL_FROMDS);
3545 } else {
3546 size -= 2;
3547 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3548 IEEE80211_STYPE_NULLFUNC |
3549 IEEE80211_FCTL_FROMDS);
3550 }
3551
3552 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3553 if (!skb) {
3554 rcu_read_unlock();
06500736 3555 return -ENOMEM;
55de908a 3556 }
06500736
JB		 3557
3558 skb->dev = dev;
3559
3560 skb_reserve(skb, local->hw.extra_tx_headroom);
3561
3562 nullfunc = (void *) skb_put(skb, size);
3563 nullfunc->frame_control = fc;
3564 nullfunc->duration_id = 0;
3565 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3566 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3567 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3568 nullfunc->seq_ctrl = 0;
3569
3570 info = IEEE80211_SKB_CB(skb);
3571
3572 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3573 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3574
3575 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3576 skb->priority = 7;
3577 if (qos)
3578 nullfunc->qos_ctrl = cpu_to_le16(7);
3579
3580 local_bh_disable();
55de908a 3581 ieee80211_xmit(sdata, skb, band);
06500736 3582 local_bh_enable();
55de908a 3583 rcu_read_unlock();
06500736
JB		 3584
3585 *cookie = (unsigned long) skb;
3586 return 0;
3587}
3588
683b6d3b
JB		 3589static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3590 struct wireless_dev *wdev,
3591 struct cfg80211_chan_def *chandef)
5b7ccaf3 3592{
55de908a 3593 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3594 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3595 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3596 int ret = -ENODATA;
55de908a
JB		 3597
3598 rcu_read_lock();
feda3027
JB		 3599 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3600 if (chanctx_conf) {
3601 *chandef = chanctx_conf->def;
3602 ret = 0;
3603 } else if (local->open_count > 0 &&
3604 local->open_count == local->monitors &&
3605 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3606 if (local->use_chanctx)
3607 *chandef = local->monitor_chandef;
3608 else
675a0b04 3609 *chandef = local->_oper_chandef;
683b6d3b 3610 ret = 0;
55de908a
JB		 3611 }
3612 rcu_read_unlock();
5b7ccaf3 3613
683b6d3b 3614 return ret;
5b7ccaf3
JB		 3615}
3616
6d52563f
JB		 3617#ifdef CONFIG_PM
3618static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3619{
3620 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3621}
3622#endif
3623
32db6b54
KP		 3624static int ieee80211_set_qos_map(struct wiphy *wiphy,
3625 struct net_device *dev,
3626 struct cfg80211_qos_map *qos_map)
3627{
3628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3629 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3630
3631 if (qos_map) {
3632 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3633 if (!new_qos_map)
3634 return -ENOMEM;
3635 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3636 } else {
3637 /* A NULL qos_map was passed to disable QoS mapping */
3638 new_qos_map = NULL;
3639 }
3640
194ff52d 3641 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3642 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3643 if (old_qos_map)
3644 kfree_rcu(old_qos_map, rcu_head);
3645
3646 return 0;
3647}
3648
3b1700bd
JM		 3649static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3650 struct net_device *dev,
3651 struct cfg80211_chan_def *chandef)
3652{
3653 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3654 int ret;
3655 u32 changed = 0;
3656
3657 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3658 if (ret == 0)
3659 ieee80211_bss_info_change_notify(sdata, changed);
3660
3661 return ret;
3662}
3663
8a47cea7 3664const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3665 .add_virtual_intf = ieee80211_add_iface,
3666 .del_virtual_intf = ieee80211_del_iface,
42613db7 3667 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3668 .start_p2p_device = ieee80211_start_p2p_device,
3669 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3670 .add_key = ieee80211_add_key,
3671 .del_key = ieee80211_del_key,
62da92fb 3672 .get_key = ieee80211_get_key,
e8cbb4cb 3673 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3674 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3675 .start_ap = ieee80211_start_ap,
3676 .change_beacon = ieee80211_change_beacon,
3677 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3678 .add_station = ieee80211_add_station,
3679 .del_station = ieee80211_del_station,
3680 .change_station = ieee80211_change_station,
7bbdd2d9 3681 .get_station = ieee80211_get_station,
c5dd9c2b 3682 .dump_station = ieee80211_dump_station,
1289723e 3683 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3684#ifdef CONFIG_MAC80211_MESH
3685 .add_mpath = ieee80211_add_mpath,
3686 .del_mpath = ieee80211_del_mpath,
3687 .change_mpath = ieee80211_change_mpath,
3688 .get_mpath = ieee80211_get_mpath,
3689 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3690 .update_mesh_config = ieee80211_update_mesh_config,
3691 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3692 .join_mesh = ieee80211_join_mesh,
3693 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3694#endif
9f1ba906 3695 .change_bss = ieee80211_change_bss,
31888487 3696 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3697 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3698 .suspend = ieee80211_suspend,
3699 .resume = ieee80211_resume,
2a519311 3700 .scan = ieee80211_scan,
79f460ca
LC		 3701 .sched_scan_start = ieee80211_sched_scan_start,
3702 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3703 .auth = ieee80211_auth,
3704 .assoc = ieee80211_assoc,
3705 .deauth = ieee80211_deauth,
3706 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3707 .join_ibss = ieee80211_join_ibss,
3708 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3709 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3710 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3711 .set_tx_power = ieee80211_set_tx_power,
3712 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3713 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3714 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3715 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3716 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3717 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3718 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3719 .remain_on_channel = ieee80211_remain_on_channel,
3720 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3721 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3722 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3723 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3724 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3725 .set_antenna = ieee80211_set_antenna,
3726 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3727 .set_ringparam = ieee80211_set_ringparam,
3728 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3729 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3730 .tdls_oper = ieee80211_tdls_oper,
3731 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3732 .probe_client = ieee80211_probe_client,
b53be792 3733 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3734#ifdef CONFIG_PM
3735 .set_wakeup = ieee80211_set_wakeup,
3736#endif
b1ab7925
BG		 3737 .get_et_sset_count = ieee80211_get_et_sset_count,
3738 .get_et_stats = ieee80211_get_et_stats,
3739 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3740 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3741 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3742 .channel_switch = ieee80211_channel_switch,
32db6b54 3743 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3744 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
f0706e82 3745};
Linux 6.x block layer and io_uring tree(s)