]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - net/mac80211/cfg.c
projects / mirror_ubuntu-bionic-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nl80211: allow setting bitrate mask back to default
[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
552bff0c
JB		 23static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
24 const char *name,
84efbb84
JB		 25 enum nl80211_iftype type,
26 u32 *flags,
27 struct vif_params *params)
f0706e82
JB		 28{
29 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 30 struct wireless_dev *wdev;
8cc9a739
MW		 31 struct ieee80211_sub_if_data *sdata;
32 int err;
f0706e82 33
84efbb84 34 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 35 if (err)
36 return ERR_PTR(err);
8cc9a739 37
f9e10ce4 38 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 40 sdata->u.mntr_flags = *flags;
41 }
42
84efbb84 43 return wdev;
f0706e82
JB		 44}
45
84efbb84 46static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 47{
84efbb84 48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 49
75636525 50 return 0;
f0706e82
JB		 51}
52
e36d56b6
JB		 53static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
2ec600d6
LCC		 55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
42613db7 57{
9607e6b6 58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 59 int ret;
42613db7 60
05c914fe 61 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 62 if (ret)
63 return ret;
42613db7 64
9bc383de
JB		 65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
a9b3cd7f 67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
71
85416a4f
CL		 72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
74
75 if (ieee80211_sdata_running(sdata)) {
31eba5bc
FF		 76 u32 mask = MONITOR_FLAG_COOK_FRAMES |
77 MONITOR_FLAG_ACTIVE;
78
85416a4f 79 /*
31eba5bc
FF		 80 * Prohibit MONITOR_FLAG_COOK_FRAMES and
81 * MONITOR_FLAG_ACTIVE to be changed while the
82 * interface is up.
85416a4f
CL		 83 * Else we would need to add a lot of cruft
84 * to update everything:
85 * cooked_mntrs, monitor and all fif_* counters
86 * reconfigure hardware
87 */
31eba5bc 88 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
85416a4f
CL		 89 return -EBUSY;
90
91 ieee80211_adjust_monitor_flags(sdata, -1);
92 sdata->u.mntr_flags = *flags;
93 ieee80211_adjust_monitor_flags(sdata, 1);
94
95 ieee80211_configure_filter(local);
96 } else {
97 /*
98 * Because the interface is down, ieee80211_do_stop
99 * and ieee80211_do_open take care of "everything"
100 * mentioned in the comment above.
101 */
102 sdata->u.mntr_flags = *flags;
103 }
104 }
f7917af9 105
42613db7
JB		 106 return 0;
107}
108
f142c6b9
JB		 109static int ieee80211_start_p2p_device(struct wiphy *wiphy,
110 struct wireless_dev *wdev)
111{
112 return ieee80211_do_open(wdev, true);
113}
114
115static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
116 struct wireless_dev *wdev)
117{
118 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
119}
120
b53be792
SW		 121static int ieee80211_set_noack_map(struct wiphy *wiphy,
122 struct net_device *dev,
123 u16 noack_map)
124{
125 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
126
127 sdata->noack_map = noack_map;
128 return 0;
129}
130
e8cbb4cb 131static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 132 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 133 struct key_params *params)
134{
26a58456 135 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 136 struct ieee80211_local *local = sdata->local;
e8cbb4cb 137 struct sta_info *sta = NULL;
2475b1cc 138 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 139 struct ieee80211_key *key;
3b96766f 140 int err;
e8cbb4cb 141
26a58456 142 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 143 return -ENETDOWN;
144
97359d12 145 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 146 switch (params->cipher) {
147 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 148 case WLAN_CIPHER_SUITE_TKIP:
97359d12 149 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 150 if (IS_ERR(local->wep_tx_tfm))
97359d12 151 return -EINVAL;
3cfcf6ac 152 break;
2475b1cc
MS		 153 case WLAN_CIPHER_SUITE_CCMP:
154 case WLAN_CIPHER_SUITE_AES_CMAC:
155 case WLAN_CIPHER_SUITE_GCMP:
156 break;
e8cbb4cb 157 default:
2475b1cc 158 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 159 break;
e8cbb4cb
JB		 160 }
161
97359d12 162 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 163 params->key, params->seq_len, params->seq,
164 cs);
1ac62ba7
BH		 165 if (IS_ERR(key))
166 return PTR_ERR(key);
db4d1169 167
e31b8213
JB		 168 if (pairwise)
169 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
170
2475b1cc 171 mutex_lock(&local->sta_mtx);
3b96766f 172
e8cbb4cb 173 if (mac_addr) {
ff973af7
TP		 174 if (ieee80211_vif_is_mesh(&sdata->vif))
175 sta = sta_info_get(sdata, mac_addr);
176 else
177 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 178 /*
179 * The ASSOC test makes sure the driver is ready to
180 * receive the key. When wpa_supplicant has roamed
181 * using FT, it attempts to set the key before
182 * association has completed, this rejects that attempt
183 * so it will set the key again after assocation.
184 *
185 * TODO: accept the key if we have a station entry and
186 * add it to the device after the station.
187 */
188 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 189 ieee80211_key_free_unused(key);
3b96766f
JB		 190 err = -ENOENT;
191 goto out_unlock;
db4d1169 192 }
e8cbb4cb
JB		 193 }
194
e548c49e
JB		 195 switch (sdata->vif.type) {
196 case NL80211_IFTYPE_STATION:
197 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
198 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
199 break;
200 case NL80211_IFTYPE_AP:
201 case NL80211_IFTYPE_AP_VLAN:
202 /* Keys without a station are used for TX only */
203 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
204 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
205 break;
206 case NL80211_IFTYPE_ADHOC:
207 /* no MFP (yet) */
208 break;
209 case NL80211_IFTYPE_MESH_POINT:
210#ifdef CONFIG_MAC80211_MESH
211 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
212 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
213 break;
214#endif
215 case NL80211_IFTYPE_WDS:
216 case NL80211_IFTYPE_MONITOR:
217 case NL80211_IFTYPE_P2P_DEVICE:
218 case NL80211_IFTYPE_UNSPECIFIED:
219 case NUM_NL80211_IFTYPES:
220 case NL80211_IFTYPE_P2P_CLIENT:
221 case NL80211_IFTYPE_P2P_GO:
222 /* shouldn't happen */
223 WARN_ON_ONCE(1);
224 break;
225 }
226
2475b1cc
MS		 227 if (sta)
228 sta->cipher_scheme = cs;
229
3ffc2a90 230 err = ieee80211_key_link(key, sdata, sta);
db4d1169 231
3b96766f 232 out_unlock:
2475b1cc 233 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 234
235 return err;
e8cbb4cb
JB		 236}
237
238static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 239 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 240{
5c0c3641
JB		 241 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
242 struct ieee80211_local *local = sdata->local;
e8cbb4cb 243 struct sta_info *sta;
5c0c3641 244 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 245 int ret;
246
5c0c3641
JB		 247 mutex_lock(&local->sta_mtx);
248 mutex_lock(&local->key_mtx);
3b96766f 249
e8cbb4cb 250 if (mac_addr) {
3b96766f
JB		 251 ret = -ENOENT;
252
0e5ded5a 253 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 254 if (!sta)
3b96766f 255 goto out_unlock;
e8cbb4cb 256
5c0c3641 257 if (pairwise)
2475b1cc 258 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 259 else
40b275b6 260 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 261 } else
40b275b6 262 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 263
5c0c3641 264 if (!key) {
3b96766f
JB		 265 ret = -ENOENT;
266 goto out_unlock;
267 }
e8cbb4cb 268
3b8d9c29 269 ieee80211_key_free(key, true);
e8cbb4cb 270
3b96766f
JB		 271 ret = 0;
272 out_unlock:
5c0c3641
JB		 273 mutex_unlock(&local->key_mtx);
274 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 275
276 return ret;
e8cbb4cb
JB		 277}
278
62da92fb 279static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 280 u8 key_idx, bool pairwise, const u8 *mac_addr,
281 void *cookie,
62da92fb
JB		 282 void (*callback)(void *cookie,
283 struct key_params *params))
284{
14db74bc 285 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 286 struct sta_info *sta = NULL;
287 u8 seq[6] = {0};
288 struct key_params params;
e31b8213 289 struct ieee80211_key *key = NULL;
aba83a0b 290 u64 pn64;
62da92fb
JB		 291 u32 iv32;
292 u16 iv16;
293 int err = -ENOENT;
294
14db74bc
JB		 295 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
296
3b96766f
JB		 297 rcu_read_lock();
298
62da92fb 299 if (mac_addr) {
0e5ded5a 300 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 301 if (!sta)
302 goto out;
303
e31b8213 304 if (pairwise)
2475b1cc 305 key = rcu_dereference(sta->ptk[key_idx]);
e31b8213 306 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 307 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 308 } else
a3836e02 309 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 310
311 if (!key)
312 goto out;
313
314 memset(&params, 0, sizeof(params));
315
97359d12 316 params.cipher = key->conf.cipher;
62da92fb 317
97359d12
JB		 318 switch (key->conf.cipher) {
319 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 320 iv32 = key->u.tkip.tx.iv32;
321 iv16 = key->u.tkip.tx.iv16;
62da92fb 322
24487981
JB		 323 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
324 drv_get_tkip_seq(sdata->local,
325 key->conf.hw_key_idx,
326 &iv32, &iv16);
62da92fb
JB		 327
328 seq[0] = iv16 & 0xff;
329 seq[1] = (iv16 >> 8) & 0xff;
330 seq[2] = iv32 & 0xff;
331 seq[3] = (iv32 >> 8) & 0xff;
332 seq[4] = (iv32 >> 16) & 0xff;
333 seq[5] = (iv32 >> 24) & 0xff;
334 params.seq = seq;
335 params.seq_len = 6;
336 break;
97359d12 337 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 338 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
339 seq[0] = pn64;
340 seq[1] = pn64 >> 8;
341 seq[2] = pn64 >> 16;
342 seq[3] = pn64 >> 24;
343 seq[4] = pn64 >> 32;
344 seq[5] = pn64 >> 40;
62da92fb
JB		 345 params.seq = seq;
346 params.seq_len = 6;
347 break;
97359d12 348 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 349 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
350 seq[0] = pn64;
351 seq[1] = pn64 >> 8;
352 seq[2] = pn64 >> 16;
353 seq[3] = pn64 >> 24;
354 seq[4] = pn64 >> 32;
355 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 356 params.seq = seq;
357 params.seq_len = 6;
358 break;
62da92fb
JB		 359 }
360
361 params.key = key->conf.key;
362 params.key_len = key->conf.keylen;
363
364 callback(cookie, &params);
365 err = 0;
366
367 out:
3b96766f 368 rcu_read_unlock();
62da92fb
JB		 369 return err;
370}
371
e8cbb4cb
JB		 372static int ieee80211_config_default_key(struct wiphy *wiphy,
373 struct net_device *dev,
dbd2fd65
JB		 374 u8 key_idx, bool uni,
375 bool multi)
e8cbb4cb 376{
ad0e2b5a 377 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 378
f7e0104c 379 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 380
381 return 0;
382}
383
3cfcf6ac
JM		 384static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
385 struct net_device *dev,
386 u8 key_idx)
387{
66c52421 388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 389
3cfcf6ac
JM		 390 ieee80211_set_default_mgmt_key(sdata, key_idx);
391
3cfcf6ac
JM		 392 return 0;
393}
394
6b62bf32
TP		 395void sta_set_rate_info_tx(struct sta_info *sta,
396 const struct ieee80211_tx_rate *rate,
397 struct rate_info *rinfo)
398{
399 rinfo->flags = 0;
8bc83c24 400 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 401 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 402 rinfo->mcs = rate->idx;
403 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
404 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
405 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
406 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
407 } else {
408 struct ieee80211_supported_band *sband;
2103dec1
SW		 409 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
410 u16 brate;
411
8bc83c24
JB		 412 sband = sta->local->hw.wiphy->bands[
413 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 414 brate = sband->bitrates[rate->idx].bitrate;
415 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 416 }
6b62bf32
TP		 417 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
418 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 419 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
420 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
421 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
422 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 423 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
424 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 425}
426
003e676a
S		 427void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
428{
429 rinfo->flags = 0;
430
431 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
432 rinfo->flags |= RATE_INFO_FLAGS_MCS;
433 rinfo->mcs = sta->last_rx_rate_idx;
434 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
435 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
436 rinfo->nss = sta->last_rx_rate_vht_nss;
437 rinfo->mcs = sta->last_rx_rate_idx;
438 } else {
439 struct ieee80211_supported_band *sband;
2103dec1
SW		 440 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
441 u16 brate;
003e676a
S		 442
443 sband = sta->local->hw.wiphy->bands[
444 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 445 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
446 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 447 }
448
449 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
450 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
451 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
452 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
453 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
454 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
455 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
456 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
457 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
458 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
459}
460
c5dd9c2b
LCC		 461static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
462{
d0709a65 463 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 464 struct ieee80211_local *local = sdata->local;
ebe27c91 465 struct timespec uptime;
560d2682 466 u64 packets = 0;
ef0621e8 467 int i, ac;
c5dd9c2b 468
f5ea9120
JB		 469 sinfo->generation = sdata->local->sta_generation;
470
c5dd9c2b 471 sinfo->filled = STATION_INFO_INACTIVE_TIME |
560d2682
JB		 472 STATION_INFO_RX_BYTES64 |
473 STATION_INFO_TX_BYTES64 |
98c8a60a
JM		 474 STATION_INFO_RX_PACKETS |
475 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 476 STATION_INFO_TX_RETRIES |
477 STATION_INFO_TX_FAILED |
5a5c731a 478 STATION_INFO_TX_BITRATE |
3af6334c 479 STATION_INFO_RX_BITRATE |
f4263c98 480 STATION_INFO_RX_DROP_MISC |
ebe27c91 481 STATION_INFO_BSS_PARAM |
7a724767 482 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 483 STATION_INFO_STA_FLAGS |
484 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 485
486 do_posix_clock_monotonic_gettime(&uptime);
487 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 488
489 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
560d2682
JB		 490 sinfo->tx_bytes = 0;
491 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
492 sinfo->tx_bytes += sta->tx_bytes[ac];
493 packets += sta->tx_packets[ac];
494 }
495 sinfo->tx_packets = packets;
c5dd9c2b 496 sinfo->rx_bytes = sta->rx_bytes;
98c8a60a 497 sinfo->rx_packets = sta->rx_packets;
b206b4ef
BR		 498 sinfo->tx_retries = sta->tx_retry_count;
499 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 500 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 501 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 502
19deffbe
JL		 503 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
504 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 505 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 506 if (!local->ops->get_rssi ||
507 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
508 sinfo->signal = (s8)sta->last_signal;
541a45a1 509 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab 510 }
ef0621e8
FF		 511 if (sta->chains) {
512 sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
513 STATION_INFO_CHAIN_SIGNAL_AVG;
514
515 sinfo->chains = sta->chains;
516 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
517 sinfo->chain_signal[i] = sta->chain_signal_last[i];
518 sinfo->chain_signal_avg[i] =
519 (s8) -ewma_read(&sta->chain_signal_avg[i]);
520 }
521 }
420e7fab 522
6b62bf32 523 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
003e676a 524 sta_set_rate_info_rx(sta, &sinfo->rxrate);
420e7fab 525
902acc78 526 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 527#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 528 sinfo->filled |= STATION_INFO_LLID |
529 STATION_INFO_PLID |
3f52b7e3
MP		 530 STATION_INFO_PLINK_STATE |
531 STATION_INFO_LOCAL_PM |
532 STATION_INFO_PEER_PM |
533 STATION_INFO_NONPEER_PM;
c5dd9c2b 534
6f101ef0
CYY		 535 sinfo->llid = sta->llid;
536 sinfo->plid = sta->plid;
c5dd9c2b 537 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 538 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
539 sinfo->filled |= STATION_INFO_T_OFFSET;
540 sinfo->t_offset = sta->t_offset;
541 }
3f52b7e3
MP		 542 sinfo->local_pm = sta->local_pm;
543 sinfo->peer_pm = sta->peer_pm;
544 sinfo->nonpeer_pm = sta->nonpeer_pm;
c5dd9c2b 545#endif
902acc78 546 }
f4263c98
PS		 547
548 sinfo->bss_param.flags = 0;
549 if (sdata->vif.bss_conf.use_cts_prot)
550 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
551 if (sdata->vif.bss_conf.use_short_preamble)
552 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
553 if (sdata->vif.bss_conf.use_short_slot)
554 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
555 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
556 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 557
558 sinfo->sta_flags.set = 0;
559 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
560 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
561 BIT(NL80211_STA_FLAG_WME) |
562 BIT(NL80211_STA_FLAG_MFP) |
e4121562 563 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
d582cffb 564 BIT(NL80211_STA_FLAG_ASSOCIATED) |
e4121562 565 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 566 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
567 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
568 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
569 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
570 if (test_sta_flag(sta, WLAN_STA_WME))
571 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
572 if (test_sta_flag(sta, WLAN_STA_MFP))
573 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
574 if (test_sta_flag(sta, WLAN_STA_AUTH))
575 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
d582cffb
JB		 576 if (test_sta_flag(sta, WLAN_STA_ASSOC))
577 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
e4121562
HS		 578 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
579 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 580}
581
b1ab7925
BG		 582static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
583 "rx_packets", "rx_bytes", "wep_weak_iv_count",
584 "rx_duplicates", "rx_fragments", "rx_dropped",
585 "tx_packets", "tx_bytes", "tx_fragments",
586 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 587 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
588 "channel", "noise", "ch_time", "ch_time_busy",
589 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 590};
591#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
592
593static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
594 struct net_device *dev,
595 int sset)
596{
e352114f
BG		 597 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
598 int rv = 0;
599
b1ab7925 600 if (sset == ETH_SS_STATS)
e352114f
BG		 601 rv += STA_STATS_LEN;
602
603 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 604
e352114f
BG		 605 if (rv == 0)
606 return -EOPNOTSUPP;
607 return rv;
b1ab7925
BG		 608}
609
610static void ieee80211_get_et_stats(struct wiphy *wiphy,
611 struct net_device *dev,
612 struct ethtool_stats *stats,
613 u64 *data)
614{
615 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 616 struct ieee80211_chanctx_conf *chanctx_conf;
617 struct ieee80211_channel *channel;
b1ab7925
BG		 618 struct sta_info *sta;
619 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 620 struct station_info sinfo;
621 struct survey_info survey;
622 int i, q;
623#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 624
625 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
626
627#define ADD_STA_STATS(sta) \
628 do { \
629 data[i++] += sta->rx_packets; \
630 data[i++] += sta->rx_bytes; \
631 data[i++] += sta->wep_weak_iv_count; \
632 data[i++] += sta->num_duplicates; \
633 data[i++] += sta->rx_fragments; \
634 data[i++] += sta->rx_dropped; \
635 \
560d2682
JB		 636 data[i++] += sinfo.tx_packets; \
637 data[i++] += sinfo.tx_bytes; \
b1ab7925
BG		 638 data[i++] += sta->tx_fragments; \
639 data[i++] += sta->tx_filtered_count; \
640 data[i++] += sta->tx_retry_failed; \
641 data[i++] += sta->tx_retry_count; \
642 data[i++] += sta->beacon_loss_count; \
643 } while (0)
644
645 /* For Managed stations, find the single station based on BSSID
646 * and use that. For interface types, iterate through all available
647 * stations and add stats for any station that is assigned to this
648 * network device.
649 */
650
66572cfc 651 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 652
653 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
654 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 655
656 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
657 goto do_survey;
658
560d2682
JB		 659 sinfo.filled = 0;
660 sta_set_sinfo(sta, &sinfo);
661
3073a7c2
BG		 662 i = 0;
663 ADD_STA_STATS(sta);
664
665 data[i++] = sta->sta_state;
666
3073a7c2 667
5204267d 668 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 669 data[i] = 100000 *
670 cfg80211_calculate_bitrate(&sinfo.txrate);
671 i++;
5204267d 672 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 673 data[i] = 100000 *
674 cfg80211_calculate_bitrate(&sinfo.rxrate);
675 i++;
676
5204267d 677 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 678 data[i] = (u8)sinfo.signal_avg;
679 i++;
b1ab7925 680 } else {
66572cfc 681 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 682 /* Make sure this station belongs to the proper dev */
683 if (sta->sdata->dev != dev)
684 continue;
685
e13bae4f
JB		 686 sinfo.filled = 0;
687 sta_set_sinfo(sta, &sinfo);
b1ab7925
BG		 688 i = 0;
689 ADD_STA_STATS(sta);
b1ab7925
BG		 690 }
691 }
692
3073a7c2
BG		 693do_survey:
694 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
695 /* Get survey stats for current channel */
55de908a 696 survey.filled = 0;
3073a7c2 697
55de908a
JB		 698 rcu_read_lock();
699 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
700 if (chanctx_conf)
4bf88530 701 channel = chanctx_conf->def.chan;
55de908a
JB		 702 else
703 channel = NULL;
704 rcu_read_unlock();
705
706 if (channel) {
707 q = 0;
708 do {
709 survey.filled = 0;
710 if (drv_get_survey(local, q, &survey) != 0) {
711 survey.filled = 0;
712 break;
713 }
714 q++;
715 } while (channel != survey.channel);
3073a7c2
BG		 716 }
717
718 if (survey.filled)
719 data[i++] = survey.channel->center_freq;
720 else
721 data[i++] = 0;
722 if (survey.filled & SURVEY_INFO_NOISE_DBM)
723 data[i++] = (u8)survey.noise;
724 else
725 data[i++] = -1LL;
726 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
727 data[i++] = survey.channel_time;
728 else
729 data[i++] = -1LL;
730 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
731 data[i++] = survey.channel_time_busy;
732 else
733 data[i++] = -1LL;
734 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
735 data[i++] = survey.channel_time_ext_busy;
736 else
737 data[i++] = -1LL;
738 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
739 data[i++] = survey.channel_time_rx;
740 else
741 data[i++] = -1LL;
742 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
743 data[i++] = survey.channel_time_tx;
744 else
745 data[i++] = -1LL;
746
66572cfc 747 mutex_unlock(&local->sta_mtx);
e352114f 748
3073a7c2
BG		 749 if (WARN_ON(i != STA_STATS_LEN))
750 return;
751
e352114f 752 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 753}
754
755static void ieee80211_get_et_strings(struct wiphy *wiphy,
756 struct net_device *dev,
757 u32 sset, u8 *data)
758{
e352114f
BG		 759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
760 int sz_sta_stats = 0;
761
b1ab7925 762 if (sset == ETH_SS_STATS) {
e352114f 763 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
bd500af2 764 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
b1ab7925 765 }
e352114f 766 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 767}
c5dd9c2b
LCC		 768
769static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
770 int idx, u8 *mac, struct station_info *sinfo)
771{
3b53fde8 772 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 773 struct ieee80211_local *local = sdata->local;
c5dd9c2b 774 struct sta_info *sta;
d0709a65
JB		 775 int ret = -ENOENT;
776
66572cfc 777 mutex_lock(&local->sta_mtx);
c5dd9c2b 778
3b53fde8 779 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 780 if (sta) {
781 ret = 0;
17741cdc 782 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 783 sta_set_sinfo(sta, sinfo);
784 }
c5dd9c2b 785
66572cfc 786 mutex_unlock(&local->sta_mtx);
c5dd9c2b 787
d0709a65 788 return ret;
c5dd9c2b
LCC		 789}
790
1289723e
HS		 791static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
792 int idx, struct survey_info *survey)
793{
794 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
795
1289723e
HS		 796 return drv_get_survey(local, idx, survey);
797}
798
7bbdd2d9 799static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 800 u8 *mac, struct station_info *sinfo)
7bbdd2d9 801{
abe60632 802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 803 struct ieee80211_local *local = sdata->local;
7bbdd2d9 804 struct sta_info *sta;
d0709a65 805 int ret = -ENOENT;
7bbdd2d9 806
66572cfc 807 mutex_lock(&local->sta_mtx);
7bbdd2d9 808
0e5ded5a 809 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 810 if (sta) {
811 ret = 0;
812 sta_set_sinfo(sta, sinfo);
813 }
814
66572cfc 815 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 816
817 return ret;
7bbdd2d9
JB		 818}
819
55de908a 820static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 821 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 822{
823 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 824 struct ieee80211_sub_if_data *sdata;
825 int ret = 0;
3d9e6e12 826
4bf88530 827 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 828 return 0;
3d9e6e12 829
55de908a
JB		 830 mutex_lock(&local->iflist_mtx);
831 if (local->use_chanctx) {
832 sdata = rcu_dereference_protected(
833 local->monitor_sdata,
834 lockdep_is_held(&local->iflist_mtx));
835 if (sdata) {
836 ieee80211_vif_release_channel(sdata);
4bf88530 837 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 838 IEEE80211_CHANCTX_EXCLUSIVE);
839 }
840 } else if (local->open_count == local->monitors) {
675a0b04 841 local->_oper_chandef = *chandef;
55de908a
JB		 842 ieee80211_hw_config(local, 0);
843 }
3d9e6e12 844
4bf88530
JB		 845 if (ret == 0)
846 local->monitor_chandef = *chandef;
55de908a 847 mutex_unlock(&local->iflist_mtx);
3d9e6e12 848
55de908a 849 return ret;
e8c9bd5b
JB		 850}
851
02945821 852static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 853 const u8 *resp, size_t resp_len)
02945821 854{
aa7a0080 855 struct probe_resp *new, *old;
02945821
AN		 856
857 if (!resp || !resp_len)
aba4e6ff 858 return 1;
02945821 859
7ca133bc 860 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 861
aa7a0080 862 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 863 if (!new)
864 return -ENOMEM;
865
aa7a0080
ES		 866 new->len = resp_len;
867 memcpy(new->data, resp, resp_len);
02945821
AN		 868
869 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 870 if (old)
871 kfree_rcu(old, rcu_head);
02945821
AN		 872
873 return 0;
874}
875
73da7d5b
SW		 876int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
877 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 878{
879 struct beacon_data *new, *old;
880 int new_head_len, new_tail_len;
8860020e
JB		 881 int size, err;
882 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 883
7ca133bc
SW		 884 old = sdata_dereference(sdata->u.ap.beacon, sdata);
885
5dfdaf58 886
5dfdaf58
JB		 887 /* Need to have a beacon head if we don't have one yet */
888 if (!params->head && !old)
8860020e 889 return -EINVAL;
5dfdaf58
JB		 890
891 /* new or old head? */
892 if (params->head)
893 new_head_len = params->head_len;
894 else
895 new_head_len = old->head_len;
896
897 /* new or old tail? */
898 if (params->tail || !old)
899 /* params->tail_len will be zero for !params->tail */
900 new_tail_len = params->tail_len;
901 else
902 new_tail_len = old->tail_len;
903
904 size = sizeof(*new) + new_head_len + new_tail_len;
905
906 new = kzalloc(size, GFP_KERNEL);
907 if (!new)
908 return -ENOMEM;
909
910 /* start filling the new info now */
911
5dfdaf58
JB		 912 /*
913 * pointers go into the block we allocated,
914 * memory is | beacon_data | head | tail |
915 */
916 new->head = ((u8 *) new) + sizeof(*new);
917 new->tail = new->head + new_head_len;
918 new->head_len = new_head_len;
919 new->tail_len = new_tail_len;
920
921 /* copy in head */
922 if (params->head)
923 memcpy(new->head, params->head, new_head_len);
924 else
925 memcpy(new->head, old->head, new_head_len);
926
927 /* copy in optional tail */
928 if (params->tail)
929 memcpy(new->tail, params->tail, new_tail_len);
930 else
931 if (old)
932 memcpy(new->tail, old->tail, new_tail_len);
933
02945821
AN		 934 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
935 params->probe_resp_len);
8860020e
JB		 936 if (err < 0)
937 return err;
938 if (err == 0)
02945821
AN		 939 changed |= BSS_CHANGED_AP_PROBE_RESP;
940
8860020e
JB		 941 rcu_assign_pointer(sdata->u.ap.beacon, new);
942
943 if (old)
944 kfree_rcu(old, rcu_head);
7827493b 945
8860020e 946 return changed;
5dfdaf58
JB		 947}
948
8860020e
JB		 949static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
950 struct cfg80211_ap_settings *params)
5dfdaf58 951{
8860020e 952 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 953 struct beacon_data *old;
665c93a9 954 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 955 u32 changed = BSS_CHANGED_BEACON_INT |
956 BSS_CHANGED_BEACON_ENABLED |
957 BSS_CHANGED_BEACON |
339afbf4
JB		 958 BSS_CHANGED_SSID |
959 BSS_CHANGED_P2P_PS;
8860020e 960 int err;
14db74bc 961
7ca133bc 962 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 963 if (old)
964 return -EALREADY;
965
04ecd257
JB		 966 /* TODO: make hostapd tell us what it wants */
967 sdata->smps_mode = IEEE80211_SMPS_OFF;
968 sdata->needed_rx_chains = sdata->local->rx_chains;
164eb02d 969 sdata->radar_required = params->radar_required;
04ecd257 970
4bf88530 971 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 972 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 973 if (err)
974 return err;
1f4ac5a6 975 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
aa430da4 976
665c93a9
JB		 977 /*
978 * Apply control port protocol, this allows us to
979 * not encrypt dynamic WEP control frames.
980 */
981 sdata->control_port_protocol = params->crypto.control_port_ethertype;
982 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 983 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
984 &params->crypto,
985 sdata->vif.type);
986
665c93a9
JB		 987 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
988 vlan->control_port_protocol =
989 params->crypto.control_port_ethertype;
990 vlan->control_port_no_encrypt =
991 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 992 vlan->encrypt_headroom =
993 ieee80211_cs_headroom(sdata->local,
994 &params->crypto,
995 vlan->vif.type);
665c93a9
JB		 996 }
997
8860020e
JB		 998 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
999 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 1000 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 1001
1002 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1003 if (params->ssid_len)
1004 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1005 params->ssid_len);
1006 sdata->vif.bss_conf.hidden_ssid =
1007 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1008
67baf663
JD		 1009 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1010 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1011 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1012 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1013 if (params->p2p_opp_ps)
1014 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1015 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 1016
8860020e
JB		 1017 err = ieee80211_assign_beacon(sdata, &params->beacon);
1018 if (err < 0)
1019 return err;
1020 changed |= err;
1021
1041638f
JB		 1022 err = drv_start_ap(sdata->local, sdata);
1023 if (err) {
7ca133bc
SW		 1024 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1025
1041638f
JB		 1026 if (old)
1027 kfree_rcu(old, rcu_head);
1028 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1029 return err;
1030 }
1031
8860020e
JB		 1032 ieee80211_bss_info_change_notify(sdata, changed);
1033
3edaf3e6
JB		 1034 netif_carrier_on(dev);
1035 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1036 netif_carrier_on(vlan->dev);
1037
665c93a9 1038 return 0;
5dfdaf58
JB		 1039}
1040
8860020e
JB		 1041static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1042 struct cfg80211_beacon_data *params)
5dfdaf58 1043{
14db74bc 1044 struct ieee80211_sub_if_data *sdata;
5dfdaf58 1045 struct beacon_data *old;
8860020e 1046 int err;
5dfdaf58 1047
14db74bc
JB		 1048 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1049
73da7d5b
SW		 1050 /* don't allow changing the beacon while CSA is in place - offset
1051 * of channel switch counter may change
1052 */
1053 if (sdata->vif.csa_active)
1054 return -EBUSY;
1055
7ca133bc 1056 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1057 if (!old)
1058 return -ENOENT;
1059
8860020e
JB		 1060 err = ieee80211_assign_beacon(sdata, params);
1061 if (err < 0)
1062 return err;
1063 ieee80211_bss_info_change_notify(sdata, err);
1064 return 0;
5dfdaf58
JB		 1065}
1066
8860020e 1067static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1068{
7b20b8e8
JB		 1069 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1070 struct ieee80211_sub_if_data *vlan;
1071 struct ieee80211_local *local = sdata->local;
1072 struct beacon_data *old_beacon;
1073 struct probe_resp *old_probe_resp;
d2859df5 1074 struct cfg80211_chan_def chandef;
14db74bc 1075
7ca133bc 1076 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1077 if (!old_beacon)
5dfdaf58 1078 return -ENOENT;
7ca133bc 1079 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1080
73da7d5b
SW		 1081 /* abort any running channel switch */
1082 sdata->vif.csa_active = false;
1f3b8a2b
SW		 1083 kfree(sdata->u.ap.next_beacon);
1084 sdata->u.ap.next_beacon = NULL;
1085
687da132 1086 cancel_work_sync(&sdata->u.ap.request_smps_work);
73da7d5b 1087
7b20b8e8 1088 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1089 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1090 netif_carrier_off(vlan->dev);
1091 netif_carrier_off(dev);
1092
7b20b8e8 1093 /* remove beacon and probe response */
a9b3cd7f 1094 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1095 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1096 kfree_rcu(old_beacon, rcu_head);
1097 if (old_probe_resp)
1098 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1099
2d4072a5 1100 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1101 sta_info_flush_defer(vlan);
1102 sta_info_flush_defer(sdata);
8ceb5955 1103 synchronize_net();
75de9113 1104 rcu_barrier();
7b4396bd 1105 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
75de9113 1106 sta_info_flush_cleanup(vlan);
7b4396bd
JB		 1107 ieee80211_free_keys(vlan);
1108 }
75de9113 1109 sta_info_flush_cleanup(sdata);
7b4396bd 1110 ieee80211_free_keys(sdata);
75de9113 1111
d6a83228 1112 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1113 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1114 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1115 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1116
a6b368f6 1117 if (sdata->wdev.cac_started) {
d2859df5 1118 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1119 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1120 cfg80211_cac_event(sdata->dev, &chandef,
1121 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1122 GFP_KERNEL);
1123 }
1124
1041638f
JB		 1125 drv_stop_ap(sdata->local, sdata);
1126
7b20b8e8
JB		 1127 /* free all potentially still buffered bcast frames */
1128 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1129 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1130
1f4ac5a6 1131 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a
JB		 1132 ieee80211_vif_release_channel(sdata);
1133
2d0ddec5 1134 return 0;
5dfdaf58
JB		 1135}
1136
4fd6931e
JB		 1137/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1138struct iapp_layer2_update {
1139 u8 da[ETH_ALEN]; /* broadcast */
1140 u8 sa[ETH_ALEN]; /* STA addr */
1141 __be16 len; /* 6 */
1142 u8 dsap; /* 0 */
1143 u8 ssap; /* 0 */
1144 u8 control;
1145 u8 xid_info[3];
bc10502d 1146} __packed;
4fd6931e
JB		 1147
1148static void ieee80211_send_layer2_update(struct sta_info *sta)
1149{
1150 struct iapp_layer2_update *msg;
1151 struct sk_buff *skb;
1152
1153 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1154 * bridge devices */
1155
1156 skb = dev_alloc_skb(sizeof(*msg));
1157 if (!skb)
1158 return;
1159 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1160
1161 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1162 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1163
e83e6541 1164 eth_broadcast_addr(msg->da);
17741cdc 1165 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1166 msg->len = htons(6);
1167 msg->dsap = 0;
1168 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1169 msg->control = 0xaf; /* XID response lsb.1111F101.
1170 * F=0 (no poll command; unsolicited frame) */
1171 msg->xid_info[0] = 0x81; /* XID format identifier */
1172 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1173 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1174
d0709a65
JB		 1175 skb->dev = sta->sdata->dev;
1176 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1177 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1178 netif_rx_ni(skb);
4fd6931e
JB		 1179}
1180
d582cffb
JB		 1181static int sta_apply_auth_flags(struct ieee80211_local *local,
1182 struct sta_info *sta,
1183 u32 mask, u32 set)
1184{
1185 int ret;
1186
1187 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1188 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1189 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1190 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1191 if (ret)
1192 return ret;
1193 }
1194
1195 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1196 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1197 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1198 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1199 if (ret)
1200 return ret;
1201 }
1202
1203 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1204 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1205 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1206 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1207 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1208 else
1209 ret = 0;
1210 if (ret)
1211 return ret;
1212 }
1213
1214 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1215 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1216 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1217 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1218 if (ret)
1219 return ret;
1220 }
1221
1222 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1223 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1224 test_sta_flag(sta, WLAN_STA_AUTH)) {
1225 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1226 if (ret)
1227 return ret;
1228 }
1229
1230 return 0;
1231}
1232
d9a7ddb0
JB		 1233static int sta_apply_parameters(struct ieee80211_local *local,
1234 struct sta_info *sta,
1235 struct station_parameters *params)
4fd6931e 1236{
d9a7ddb0 1237 int ret = 0;
8318d78a 1238 struct ieee80211_supported_band *sband;
d0709a65 1239 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1240 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1241 u32 mask, set;
4fd6931e 1242
55de908a 1243 sband = local->hw.wiphy->bands[band];
ae5eb026 1244
eccb8e8f
JB		 1245 mask = params->sta_flags_mask;
1246 set = params->sta_flags_set;
73651ee6 1247
d582cffb
JB		 1248 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1249 /*
1250 * In mesh mode, ASSOCIATED isn't part of the nl80211
1251 * API but must follow AUTHENTICATED for driver state.
1252 */
1253 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1254 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1255 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1256 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1257 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1258 /*
1259 * TDLS -- everything follows authorized, but
1260 * only becoming authorized is possible, not
1261 * going back
1262 */
1263 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1264 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1265 BIT(NL80211_STA_FLAG_ASSOCIATED);
1266 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1267 BIT(NL80211_STA_FLAG_ASSOCIATED);
1268 }
eccb8e8f 1269 }
4fd6931e 1270
d582cffb
JB		 1271 ret = sta_apply_auth_flags(local, sta, mask, set);
1272 if (ret)
1273 return ret;
d9a7ddb0 1274
eccb8e8f 1275 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1276 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1277 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1278 else
1279 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1280 }
4fd6931e 1281
eccb8e8f 1282 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1283 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1284 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1285 sta->sta.wme = true;
c2c98fde
JB		 1286 } else {
1287 clear_sta_flag(sta, WLAN_STA_WME);
1288 sta->sta.wme = false;
39df600a 1289 }
eccb8e8f 1290 }
5394af4d 1291
eccb8e8f 1292 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1293 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1294 set_sta_flag(sta, WLAN_STA_MFP);
1295 else
1296 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1297 }
b39c48fa 1298
07ba55d7 1299 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1300 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1301 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1302 else
1303 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1304 }
4fd6931e 1305
3b9ce80c
JB		 1306 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1307 sta->sta.uapsd_queues = params->uapsd_queues;
1308 sta->sta.max_sp = params->max_sp;
1309 }
9533b4ac 1310
51b50fbe
JB		 1311 /*
1312 * cfg80211 validates this (1-2007) and allows setting the AID
1313 * only when creating a new station entry
1314 */
1315 if (params->aid)
1316 sta->sta.aid = params->aid;
1317
73651ee6 1318 /*
ba23d206
JB		 1319 * Some of the following updates would be racy if called on an
1320 * existing station, via ieee80211_change_station(). However,
1321 * all such changes are rejected by cfg80211 except for updates
1322 * changing the supported rates on an existing but not yet used
1323 * TDLS peer.
73651ee6
JB		 1324 */
1325
4fd6931e
JB		 1326 if (params->listen_interval >= 0)
1327 sta->listen_interval = params->listen_interval;
1328
1329 if (params->supported_rates) {
2103dec1
SW		 1330 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1331 sband, params->supported_rates,
1332 params->supported_rates_len,
1333 &sta->sta.supp_rates[band]);
4fd6931e 1334 }
c5dd9c2b 1335
d9fe60de 1336 if (params->ht_capa)
ef96a842 1337 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1338 params->ht_capa, sta);
36aedc90 1339
f461be3e
MP		 1340 if (params->vht_capa)
1341 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1342 params->vht_capa, sta);
f461be3e 1343
9c3990aa 1344 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1345#ifdef CONFIG_MAC80211_MESH
39886b61 1346 u32 changed = 0;
77ee7c89
JB		 1347
1348 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1349 switch (params->plink_state) {
57cf8043 1350 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1351 if (sta->plink_state != NL80211_PLINK_ESTAB)
1352 changed = mesh_plink_inc_estab_count(
1353 sdata);
1354 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1355
1356 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1357 changed |= ieee80211_mps_set_sta_local_pm(sta,
1358 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1359 break;
1360 case NL80211_PLINK_LISTEN:
57cf8043 1361 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1362 case NL80211_PLINK_OPN_SNT:
1363 case NL80211_PLINK_OPN_RCVD:
1364 case NL80211_PLINK_CNF_RCVD:
1365 case NL80211_PLINK_HOLDING:
1366 if (sta->plink_state == NL80211_PLINK_ESTAB)
1367 changed = mesh_plink_dec_estab_count(
1368 sdata);
9c3990aa 1369 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1370
1371 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1372 changed |= ieee80211_mps_set_sta_local_pm(sta,
1373 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1374 break;
1375 default:
1376 /* nothing */
1377 break;
1378 }
77ee7c89
JB		 1379 }
1380
1381 switch (params->plink_action) {
1382 case NL80211_PLINK_ACTION_NO_ACTION:
1383 /* nothing */
1384 break;
1385 case NL80211_PLINK_ACTION_OPEN:
1386 changed |= mesh_plink_open(sta);
1387 break;
1388 case NL80211_PLINK_ACTION_BLOCK:
1389 changed |= mesh_plink_block(sta);
1390 break;
1617bab8 1391 }
3f52b7e3
MP		 1392
1393 if (params->local_pm)
39886b61
TP		 1394 changed |=
1395 ieee80211_mps_set_sta_local_pm(sta,
1396 params->local_pm);
1397 ieee80211_bss_info_change_notify(sdata, changed);
4daf50f2 1398#endif
902acc78 1399 }
d9a7ddb0
JB		 1400
1401 return 0;
4fd6931e
JB		 1402}
1403
1404static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1405 u8 *mac, struct station_parameters *params)
1406{
14db74bc 1407 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1408 struct sta_info *sta;
1409 struct ieee80211_sub_if_data *sdata;
73651ee6 1410 int err;
b8d476c8 1411 int layer2_update;
4fd6931e 1412
4fd6931e
JB		 1413 if (params->vlan) {
1414 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1415
05c914fe
JB		 1416 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1417 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1418 return -EINVAL;
1419 } else
1420 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1421
b203ca39 1422 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1423 return -EINVAL;
1424
1425 if (is_multicast_ether_addr(mac))
1426 return -EINVAL;
1427
1428 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1429 if (!sta)
1430 return -ENOMEM;
4fd6931e 1431
d582cffb
JB		 1432 /*
1433 * defaults -- if userspace wants something else we'll
1434 * change it accordingly in sta_apply_parameters()
1435 */
77ee7c89
JB		 1436 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1437 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1438 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1439 }
4fd6931e 1440
d9a7ddb0
JB		 1441 err = sta_apply_parameters(local, sta, params);
1442 if (err) {
1443 sta_info_free(local, sta);
1444 return err;
1445 }
4fd6931e 1446
d64cf63e 1447 /*
77ee7c89
JB		 1448 * for TDLS, rate control should be initialized only when
1449 * rates are known and station is marked authorized
d64cf63e
AN		 1450 */
1451 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1452 rate_control_rate_init(sta);
4fd6931e 1453
b8d476c8
JM		 1454 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1455 sdata->vif.type == NL80211_IFTYPE_AP;
1456
34e89507 1457 err = sta_info_insert_rcu(sta);
73651ee6 1458 if (err) {
73651ee6
JB		 1459 rcu_read_unlock();
1460 return err;
1461 }
1462
b8d476c8 1463 if (layer2_update)
73651ee6
JB		 1464 ieee80211_send_layer2_update(sta);
1465
1466 rcu_read_unlock();
1467
4fd6931e
JB		 1468 return 0;
1469}
1470
1471static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1472 u8 *mac)
1473{
14db74bc 1474 struct ieee80211_sub_if_data *sdata;
4fd6931e 1475
14db74bc
JB		 1476 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1477
34e89507
JB		 1478 if (mac)
1479 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1480
b998e8bb 1481 sta_info_flush(sdata);
4fd6931e
JB		 1482 return 0;
1483}
1484
1485static int ieee80211_change_station(struct wiphy *wiphy,
77ee7c89 1486 struct net_device *dev, u8 *mac,
4fd6931e
JB		 1487 struct station_parameters *params)
1488{
abe60632 1489 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1490 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1491 struct sta_info *sta;
1492 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1493 enum cfg80211_station_type statype;
35b88623 1494 int err;
4fd6931e 1495
87be1e1e 1496 mutex_lock(&local->sta_mtx);
98dd6a57 1497
0e5ded5a 1498 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1499 if (!sta) {
77ee7c89
JB		 1500 err = -ENOENT;
1501 goto out_err;
98dd6a57 1502 }
4fd6931e 1503
77ee7c89
JB		 1504 switch (sdata->vif.type) {
1505 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1506 if (sdata->u.mesh.user_mpm)
eef941e6 1507 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1508 else
eef941e6 1509 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1510 break;
1511 case NL80211_IFTYPE_ADHOC:
1512 statype = CFG80211_STA_IBSS;
1513 break;
1514 case NL80211_IFTYPE_STATION:
1515 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1516 statype = CFG80211_STA_AP_STA;
1517 break;
1518 }
1519 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1520 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1521 else
1522 statype = CFG80211_STA_TDLS_PEER_SETUP;
1523 break;
1524 case NL80211_IFTYPE_AP:
1525 case NL80211_IFTYPE_AP_VLAN:
1526 statype = CFG80211_STA_AP_CLIENT;
1527 break;
1528 default:
1529 err = -EOPNOTSUPP;
1530 goto out_err;
bdd90d5e
JB		 1531 }
1532
77ee7c89
JB		 1533 err = cfg80211_check_station_change(wiphy, params, statype);
1534 if (err)
1535 goto out_err;
1536
d0709a65 1537 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1538 bool prev_4addr = false;
1539 bool new_4addr = false;
1540
4fd6931e
JB		 1541 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1542
9bc383de 1543 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1544 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1545 err = -EBUSY;
1546 goto out_err;
3305443c 1547 }
f14543ee 1548
cf778b00 1549 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1550 new_4addr = true;
1551 }
1552
1553 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1554 sta->sdata->u.vlan.sta) {
1555 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1556 prev_4addr = true;
f14543ee
FF		 1557 }
1558
14db74bc 1559 sta->sdata = vlansdata;
7e3ed02c
FF		 1560
1561 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1562 prev_4addr != new_4addr) {
1563 if (new_4addr)
1564 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1565 else
1566 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1567 }
1568
4fd6931e
JB		 1569 ieee80211_send_layer2_update(sta);
1570 }
1571
35b88623 1572 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1573 if (err)
1574 goto out_err;
4fd6931e 1575
77ee7c89
JB		 1576 /* When peer becomes authorized, init rate control as well */
1577 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1578 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1579 rate_control_rate_init(sta);
1580
87be1e1e 1581 mutex_unlock(&local->sta_mtx);
98dd6a57 1582
687da132
EG		 1583 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1584 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1585 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1586 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1587 sta_info_tx_streams(sta) != 1) {
1588 ht_dbg(sta->sdata,
1589 "%pM just authorized and MIMO capable - update SMPS\n",
1590 sta->sta.addr);
1591 ieee80211_send_smps_action(sta->sdata,
1592 sta->sdata->bss->req_smps,
1593 sta->sta.addr,
1594 sta->sdata->vif.bss_conf.bssid);
1595 }
1596
808118cb 1597 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1598 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1599 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1600 ieee80211_recalc_ps_vif(sdata);
1601 }
77ee7c89 1602
4fd6931e 1603 return 0;
77ee7c89
JB		 1604out_err:
1605 mutex_unlock(&local->sta_mtx);
1606 return err;
4fd6931e
JB		 1607}
1608
c5dd9c2b
LCC		 1609#ifdef CONFIG_MAC80211_MESH
1610static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1611 u8 *dst, u8 *next_hop)
1612{
14db74bc 1613 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1614 struct mesh_path *mpath;
1615 struct sta_info *sta;
c5dd9c2b 1616
14db74bc
JB		 1617 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1618
d0709a65 1619 rcu_read_lock();
abe60632 1620 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1621 if (!sta) {
1622 rcu_read_unlock();
c5dd9c2b 1623 return -ENOENT;
d0709a65 1624 }
c5dd9c2b 1625
ae76eef0
BC		 1626 mpath = mesh_path_add(sdata, dst);
1627 if (IS_ERR(mpath)) {
d0709a65 1628 rcu_read_unlock();
ae76eef0 1629 return PTR_ERR(mpath);
d0709a65 1630 }
c5dd9c2b 1631
c5dd9c2b 1632 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1633
c5dd9c2b
LCC		 1634 rcu_read_unlock();
1635 return 0;
1636}
1637
1638static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1639 u8 *dst)
c5dd9c2b 1640{
f698d856
JBG		 1641 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1642
c5dd9c2b 1643 if (dst)
bf7cd94d 1644 return mesh_path_del(sdata, dst);
c5dd9c2b 1645
ece1a2e7 1646 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1647 return 0;
1648}
1649
1650static int ieee80211_change_mpath(struct wiphy *wiphy,
1651 struct net_device *dev,
1652 u8 *dst, u8 *next_hop)
1653{
14db74bc 1654 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1655 struct mesh_path *mpath;
1656 struct sta_info *sta;
1657
14db74bc
JB		 1658 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1659
d0709a65
JB		 1660 rcu_read_lock();
1661
abe60632 1662 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1663 if (!sta) {
1664 rcu_read_unlock();
c5dd9c2b 1665 return -ENOENT;
d0709a65 1666 }
c5dd9c2b 1667
bf7cd94d 1668 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1669 if (!mpath) {
1670 rcu_read_unlock();
c5dd9c2b
LCC		 1671 return -ENOENT;
1672 }
1673
1674 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1675
c5dd9c2b
LCC		 1676 rcu_read_unlock();
1677 return 0;
1678}
1679
1680static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1681 struct mpath_info *pinfo)
1682{
a3836e02
JB		 1683 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1684
1685 if (next_hop_sta)
1686 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1687 else
1688 memset(next_hop, 0, ETH_ALEN);
1689
7ce8c7a3
LAYS		 1690 memset(pinfo, 0, sizeof(*pinfo));
1691
f5ea9120
JB		 1692 pinfo->generation = mesh_paths_generation;
1693
c5dd9c2b 1694 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1695 MPATH_INFO_SN |
c5dd9c2b
LCC		 1696 MPATH_INFO_METRIC |
1697 MPATH_INFO_EXPTIME |
1698 MPATH_INFO_DISCOVERY_TIMEOUT |
1699 MPATH_INFO_DISCOVERY_RETRIES |
1700 MPATH_INFO_FLAGS;
1701
1702 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1703 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1704 pinfo->metric = mpath->metric;
1705 if (time_before(jiffies, mpath->exp_time))
1706 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1707 pinfo->discovery_timeout =
1708 jiffies_to_msecs(mpath->discovery_timeout);
1709 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1710 if (mpath->flags & MESH_PATH_ACTIVE)
1711 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1712 if (mpath->flags & MESH_PATH_RESOLVING)
1713 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1714 if (mpath->flags & MESH_PATH_SN_VALID)
1715 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1716 if (mpath->flags & MESH_PATH_FIXED)
1717 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1718 if (mpath->flags & MESH_PATH_RESOLVED)
1719 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1720}
1721
1722static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1723 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1724
1725{
14db74bc 1726 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1727 struct mesh_path *mpath;
1728
14db74bc
JB		 1729 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1730
c5dd9c2b 1731 rcu_read_lock();
bf7cd94d 1732 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1733 if (!mpath) {
1734 rcu_read_unlock();
1735 return -ENOENT;
1736 }
1737 memcpy(dst, mpath->dst, ETH_ALEN);
1738 mpath_set_pinfo(mpath, next_hop, pinfo);
1739 rcu_read_unlock();
1740 return 0;
1741}
1742
1743static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1744 int idx, u8 *dst, u8 *next_hop,
1745 struct mpath_info *pinfo)
1746{
14db74bc 1747 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1748 struct mesh_path *mpath;
1749
14db74bc
JB		 1750 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1751
c5dd9c2b 1752 rcu_read_lock();
bf7cd94d 1753 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1754 if (!mpath) {
1755 rcu_read_unlock();
1756 return -ENOENT;
1757 }
1758 memcpy(dst, mpath->dst, ETH_ALEN);
1759 mpath_set_pinfo(mpath, next_hop, pinfo);
1760 rcu_read_unlock();
1761 return 0;
1762}
93da9cc1 1763
24bdd9f4 1764static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1765 struct net_device *dev,
1766 struct mesh_config *conf)
1767{
1768 struct ieee80211_sub_if_data *sdata;
1769 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1770
93da9cc1 1771 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1772 return 0;
1773}
1774
1775static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1776{
1777 return (mask >> (parm-1)) & 0x1;
1778}
1779
c80d545d
JC		 1780static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1781 const struct mesh_setup *setup)
1782{
1783 u8 *new_ie;
1784 const u8 *old_ie;
4bb62344
CYY		 1785 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1786 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1787
581a8b0f 1788 /* allocate information elements */
c80d545d 1789 new_ie = NULL;
581a8b0f 1790 old_ie = ifmsh->ie;
c80d545d 1791
581a8b0f
JC		 1792 if (setup->ie_len) {
1793 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1794 GFP_KERNEL);
1795 if (!new_ie)
1796 return -ENOMEM;
1797 }
581a8b0f
JC		 1798 ifmsh->ie_len = setup->ie_len;
1799 ifmsh->ie = new_ie;
1800 kfree(old_ie);
c80d545d
JC		 1801
1802 /* now copy the rest of the setup parameters */
1803 ifmsh->mesh_id_len = setup->mesh_id_len;
1804 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1805 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1806 ifmsh->mesh_pp_id = setup->path_sel_proto;
1807 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1808 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1809 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1810 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1811 if (setup->is_authenticated)
1812 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1813 if (setup->is_secure)
1814 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1815
4bb62344
CYY		 1816 /* mcast rate setting in Mesh Node */
1817 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1818 sizeof(setup->mcast_rate));
ffb3cf30 1819 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1820
9bdbf04d
MP		 1821 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1822 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1823
c80d545d
JC		 1824 return 0;
1825}
1826
24bdd9f4 1827static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1828 struct net_device *dev, u32 mask,
1829 const struct mesh_config *nconf)
93da9cc1 1830{
1831 struct mesh_config *conf;
1832 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1833 struct ieee80211_if_mesh *ifmsh;
1834
93da9cc1 1835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1836 ifmsh = &sdata->u.mesh;
93da9cc1 1837
93da9cc1 1838 /* Set the config options which we are interested in setting */
1839 conf = &(sdata->u.mesh.mshcfg);
1840 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1841 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1842 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1843 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1844 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1845 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1846 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1847 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1848 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1849 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1850 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1851 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1852 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1853 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1854 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1855 if (ifmsh->user_mpm)
1856 return -EBUSY;
93da9cc1 1857 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1858 }
d299a1f2
JC		 1859 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1860 conf->dot11MeshNbrOffsetMaxNeighbor =
1861 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1862 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1863 conf->dot11MeshHWMPmaxPREQretries =
1864 nconf->dot11MeshHWMPmaxPREQretries;
1865 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1866 conf->path_refresh_time = nconf->path_refresh_time;
1867 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1868 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1869 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1870 conf->dot11MeshHWMPactivePathTimeout =
1871 nconf->dot11MeshHWMPactivePathTimeout;
1872 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1873 conf->dot11MeshHWMPpreqMinInterval =
1874 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1875 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1876 conf->dot11MeshHWMPperrMinInterval =
1877 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1878 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1879 mask))
1880 conf->dot11MeshHWMPnetDiameterTraversalTime =
1881 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1882 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1883 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1884 ieee80211_mesh_root_setup(ifmsh);
1885 }
16dd7267 1886 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1887 /* our current gate announcement implementation rides on root
1888 * announcements, so require this ifmsh to also be a root node
1889 * */
1890 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1891 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1892 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1893 ieee80211_mesh_root_setup(ifmsh);
1894 }
16dd7267
JC		 1895 conf->dot11MeshGateAnnouncementProtocol =
1896 nconf->dot11MeshGateAnnouncementProtocol;
1897 }
a4f606ea 1898 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1899 conf->dot11MeshHWMPRannInterval =
1900 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1901 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1902 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1903 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1904 /* our RSSI threshold implementation is supported only for
1905 * devices that report signal in dBm.
1906 */
1907 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1908 return -ENOTSUPP;
1909 conf->rssi_threshold = nconf->rssi_threshold;
1910 }
70c33eaa
AN		 1911 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1912 conf->ht_opmode = nconf->ht_opmode;
1913 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1914 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1915 }
ac1073a6
CYY		 1916 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1917 conf->dot11MeshHWMPactivePathToRootTimeout =
1918 nconf->dot11MeshHWMPactivePathToRootTimeout;
1919 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1920 conf->dot11MeshHWMProotInterval =
1921 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1922 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1923 conf->dot11MeshHWMPconfirmationInterval =
1924 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1925 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1926 conf->power_mode = nconf->power_mode;
1927 ieee80211_mps_local_status_update(sdata);
1928 }
2b5e1967 1929 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1930 conf->dot11MeshAwakeWindowDuration =
1931 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1932 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1933 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1934 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1935 return 0;
1936}
1937
29cbe68c
JB		 1938static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1939 const struct mesh_config *conf,
1940 const struct mesh_setup *setup)
1941{
1942 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1943 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1944 int err;
29cbe68c 1945
c80d545d
JC		 1946 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1947 err = copy_mesh_setup(ifmsh, setup);
1948 if (err)
1949 return err;
cc1d2806 1950
04ecd257
JB		 1951 /* can mesh use other SMPS modes? */
1952 sdata->smps_mode = IEEE80211_SMPS_OFF;
1953 sdata->needed_rx_chains = sdata->local->rx_chains;
1954
4bf88530 1955 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1956 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1957 if (err)
1958 return err;
1959
2b5e1967 1960 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1961}
1962
1963static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1964{
1965 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1966
1967 ieee80211_stop_mesh(sdata);
55de908a 1968 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1969
1970 return 0;
1971}
c5dd9c2b
LCC		 1972#endif
1973
9f1ba906
JM		 1974static int ieee80211_change_bss(struct wiphy *wiphy,
1975 struct net_device *dev,
1976 struct bss_parameters *params)
1977{
55de908a
JB		 1978 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1979 enum ieee80211_band band;
9f1ba906
JM		 1980 u32 changed = 0;
1981
7ca133bc 1982 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1983 return -ENOENT;
1984
1985 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1986
9f1ba906 1987 if (params->use_cts_prot >= 0) {
bda3933a 1988 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1989 changed |= BSS_CHANGED_ERP_CTS_PROT;
1990 }
1991 if (params->use_short_preamble >= 0) {
bda3933a 1992 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1993 params->use_short_preamble;
1994 changed |= BSS_CHANGED_ERP_PREAMBLE;
1995 }
43d35343
FF		 1996
1997 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1998 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1999 sdata->vif.bss_conf.use_short_slot = true;
2000 changed |= BSS_CHANGED_ERP_SLOT;
2001 }
2002
9f1ba906 2003 if (params->use_short_slot_time >= 0) {
bda3933a 2004 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2005 params->use_short_slot_time;
2006 changed |= BSS_CHANGED_ERP_SLOT;
2007 }
2008
90c97a04 2009 if (params->basic_rates) {
2103dec1
SW		 2010 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2011 wiphy->bands[band],
2012 params->basic_rates,
2013 params->basic_rates_len,
2014 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 2015 changed |= BSS_CHANGED_BASIC_RATES;
2016 }
2017
7b7b5e56
FF		 2018 if (params->ap_isolate >= 0) {
2019 if (params->ap_isolate)
2020 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2021 else
2022 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2023 }
2024
80d7e403
HS		 2025 if (params->ht_opmode >= 0) {
2026 sdata->vif.bss_conf.ht_operation_mode =
2027 (u16) params->ht_opmode;
2028 changed |= BSS_CHANGED_HT;
2029 }
2030
339afbf4 2031 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2032 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2033 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2034 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2035 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2036 changed |= BSS_CHANGED_P2P_PS;
2037 }
2038
67baf663
JD		 2039 if (params->p2p_opp_ps > 0) {
2040 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2041 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2042 changed |= BSS_CHANGED_P2P_PS;
2043 } else if (params->p2p_opp_ps == 0) {
2044 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2045 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2046 changed |= BSS_CHANGED_P2P_PS;
2047 }
2048
9f1ba906
JM		 2049 ieee80211_bss_info_change_notify(sdata, changed);
2050
2051 return 0;
2052}
2053
31888487 2054static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2055 struct net_device *dev,
31888487
JM		 2056 struct ieee80211_txq_params *params)
2057{
2058 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2059 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2060 struct ieee80211_tx_queue_params p;
2061
2062 if (!local->ops->conf_tx)
2063 return -EOPNOTSUPP;
2064
54bcbc69
JB		 2065 if (local->hw.queues < IEEE80211_NUM_ACS)
2066 return -EOPNOTSUPP;
2067
31888487
JM		 2068 memset(&p, 0, sizeof(p));
2069 p.aifs = params->aifs;
2070 p.cw_max = params->cwmax;
2071 p.cw_min = params->cwmin;
2072 p.txop = params->txop;
ab13315a
KV		 2073
2074 /*
2075 * Setting tx queue params disables u-apsd because it's only
2076 * called in master mode.
2077 */
2078 p.uapsd = false;
2079
a3304b0a
JB		 2080 sdata->tx_conf[params->ac] = p;
2081 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2082 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2083 "failed to set TX queue parameters for AC %d\n",
2084 params->ac);
31888487
JM		 2085 return -EINVAL;
2086 }
2087
7d25745d
JB		 2088 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2089
31888487
JM		 2090 return 0;
2091}
2092
665af4fc 2093#ifdef CONFIG_PM
ff1b6e69
JB		 2094static int ieee80211_suspend(struct wiphy *wiphy,
2095 struct cfg80211_wowlan *wowlan)
665af4fc 2096{
eecc4800 2097 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2098}
2099
2100static int ieee80211_resume(struct wiphy *wiphy)
2101{
2102 return __ieee80211_resume(wiphy_priv(wiphy));
2103}
2104#else
2105#define ieee80211_suspend NULL
2106#define ieee80211_resume NULL
2107#endif
2108
2a519311 2109static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2110 struct cfg80211_scan_request *req)
2111{
fd014284
JB		 2112 struct ieee80211_sub_if_data *sdata;
2113
2114 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2115
2ca27bcf
JB		 2116 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2117 case NL80211_IFTYPE_STATION:
2118 case NL80211_IFTYPE_ADHOC:
2119 case NL80211_IFTYPE_MESH_POINT:
2120 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2121 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2122 break;
2123 case NL80211_IFTYPE_P2P_GO:
2124 if (sdata->local->ops->hw_scan)
2125 break;
e9d7732e
JB		 2126 /*
2127 * FIXME: implement NoA while scanning in software,
2128 * for now fall through to allow scanning only when
2129 * beaconing hasn't been configured yet
2130 */
2ca27bcf 2131 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2132 /*
2133 * If the scan has been forced (and the driver supports
2134 * forcing), don't care about being beaconing already.
2135 * This will create problems to the attached stations (e.g. all
2136 * the frames sent while scanning on other channel will be
2137 * lost)
2138 */
2139 if (sdata->u.ap.beacon &&
2140 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2141 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2142 return -EOPNOTSUPP;
2143 break;
2144 default:
2145 return -EOPNOTSUPP;
2146 }
2a519311
JB		 2147
2148 return ieee80211_request_scan(sdata, req);
2149}
2150
79f460ca
LC		 2151static int
2152ieee80211_sched_scan_start(struct wiphy *wiphy,
2153 struct net_device *dev,
2154 struct cfg80211_sched_scan_request *req)
2155{
2156 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2157
2158 if (!sdata->local->ops->sched_scan_start)
2159 return -EOPNOTSUPP;
2160
2161 return ieee80211_request_sched_scan_start(sdata, req);
2162}
2163
2164static int
85a9994a 2165ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2166{
2167 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2168
2169 if (!sdata->local->ops->sched_scan_stop)
2170 return -EOPNOTSUPP;
2171
85a9994a 2172 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2173}
2174
636a5d36
JM		 2175static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2176 struct cfg80211_auth_request *req)
2177{
77fdaa12 2178 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2179}
2180
2181static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2182 struct cfg80211_assoc_request *req)
2183{
77fdaa12 2184 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2185}
2186
2187static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2188 struct cfg80211_deauth_request *req)
636a5d36 2189{
63c9c5e7 2190 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2191}
2192
2193static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2194 struct cfg80211_disassoc_request *req)
636a5d36 2195{
63c9c5e7 2196 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2197}
2198
af8cdcd8
JB		 2199static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2200 struct cfg80211_ibss_params *params)
2201{
55de908a 2202 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2203}
2204
2205static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2206{
55de908a 2207 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2208}
2209
391e53e3
AQ		 2210static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2211 int rate[IEEE80211_NUM_BANDS])
2212{
2213 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2214
9887dbf5
CD		 2215 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2216 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2217
2218 return 0;
2219}
2220
b9a5f8ca
JM		 2221static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2222{
2223 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2224 int err;
b9a5f8ca 2225
f23a4780
AN		 2226 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2227 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2228
2229 if (err)
2230 return err;
2231 }
2232
310bc676
LT		 2233 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2234 err = drv_set_coverage_class(local, wiphy->coverage_class);
2235
2236 if (err)
2237 return err;
2238 }
2239
b9a5f8ca 2240 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2241 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2242
24487981
JB		 2243 if (err)
2244 return err;
b9a5f8ca
JM		 2245 }
2246
8bc83c24
JB		 2247 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2248 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2249 return -EINVAL;
b9a5f8ca 2250 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2251 }
2252 if (changed & WIPHY_PARAM_RETRY_LONG) {
2253 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2254 return -EINVAL;
b9a5f8ca 2255 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2256 }
b9a5f8ca
JM		 2257 if (changed &
2258 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2259 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2260
2261 return 0;
2262}
2263
7643a2c3 2264static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2265 struct wireless_dev *wdev,
fa61cf70 2266 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2267{
2268 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2269 struct ieee80211_sub_if_data *sdata;
7643a2c3 2270
1ea6f9c0
JB		 2271 if (wdev) {
2272 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2273
2274 switch (type) {
2275 case NL80211_TX_POWER_AUTOMATIC:
2276 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2277 break;
2278 case NL80211_TX_POWER_LIMITED:
2279 case NL80211_TX_POWER_FIXED:
2280 if (mbm < 0 || (mbm % 100))
2281 return -EOPNOTSUPP;
2282 sdata->user_power_level = MBM_TO_DBM(mbm);
2283 break;
2284 }
2285
2286 ieee80211_recalc_txpower(sdata);
2287
2288 return 0;
2289 }
55de908a 2290
7643a2c3 2291 switch (type) {
fa61cf70 2292 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2293 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2294 break;
fa61cf70 2295 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2296 case NL80211_TX_POWER_FIXED:
2297 if (mbm < 0 || (mbm % 100))
2298 return -EOPNOTSUPP;
fa61cf70 2299 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2300 break;
7643a2c3
JB		 2301 }
2302
1ea6f9c0
JB		 2303 mutex_lock(&local->iflist_mtx);
2304 list_for_each_entry(sdata, &local->interfaces, list)
2305 sdata->user_power_level = local->user_power_level;
2306 list_for_each_entry(sdata, &local->interfaces, list)
2307 ieee80211_recalc_txpower(sdata);
2308 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2309
2310 return 0;
2311}
2312
c8442118
JB		 2313static int ieee80211_get_tx_power(struct wiphy *wiphy,
2314 struct wireless_dev *wdev,
2315 int *dbm)
7643a2c3
JB		 2316{
2317 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2318 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2319
1ea6f9c0
JB		 2320 if (!local->use_chanctx)
2321 *dbm = local->hw.conf.power_level;
2322 else
2323 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2324
7643a2c3
JB		 2325 return 0;
2326}
2327
ab737a4f 2328static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2329 const u8 *addr)
ab737a4f
JB		 2330{
2331 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2332
2333 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2334
2335 return 0;
2336}
2337
1f87f7d3
JB		 2338static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2339{
2340 struct ieee80211_local *local = wiphy_priv(wiphy);
2341
2342 drv_rfkill_poll(local);
2343}
2344
aff89a9b 2345#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2346static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2347 struct wireless_dev *wdev,
2348 void *data, int len)
aff89a9b
JB		 2349{
2350 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2351 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2352
2353 if (!local->ops->testmode_cmd)
2354 return -EOPNOTSUPP;
2355
52981cd7
DS		 2356 if (wdev) {
2357 struct ieee80211_sub_if_data *sdata;
2358
2359 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2360 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2361 vif = &sdata->vif;
2362 }
2363
2364 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2365}
71063f0e
WYG		 2366
2367static int ieee80211_testmode_dump(struct wiphy *wiphy,
2368 struct sk_buff *skb,
2369 struct netlink_callback *cb,
2370 void *data, int len)
2371{
2372 struct ieee80211_local *local = wiphy_priv(wiphy);
2373
2374 if (!local->ops->testmode_dump)
2375 return -EOPNOTSUPP;
2376
2377 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2378}
aff89a9b
JB		 2379#endif
2380
687da132
EG		 2381int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2382 enum ieee80211_smps_mode smps_mode)
2383{
2384 struct sta_info *sta;
2385 enum ieee80211_smps_mode old_req;
2386 int i;
2387
2388 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2389 return -EINVAL;
2390
2391 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2392 return 0;
2393
2394 old_req = sdata->u.ap.req_smps;
2395 sdata->u.ap.req_smps = smps_mode;
2396
2397 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2398 if (old_req == smps_mode ||
2399 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2400 return 0;
2401
2402 /* If no associated stations, there's no need to do anything */
2403 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2404 sdata->smps_mode = smps_mode;
2405 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2406 return 0;
2407 }
2408
2409 ht_dbg(sdata,
2410 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2411 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2412
2413 mutex_lock(&sdata->local->sta_mtx);
2414 for (i = 0; i < STA_HASH_SIZE; i++) {
2415 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2416 lockdep_is_held(&sdata->local->sta_mtx));
2417 sta;
2418 sta = rcu_dereference_protected(sta->hnext,
2419 lockdep_is_held(&sdata->local->sta_mtx))) {
2420 /*
2421 * Only stations associated to our AP and
2422 * associated VLANs
2423 */
2424 if (sta->sdata->bss != &sdata->u.ap)
2425 continue;
2426
2427 /* This station doesn't support MIMO - skip it */
2428 if (sta_info_tx_streams(sta) == 1)
2429 continue;
2430
2431 /*
2432 * Don't wake up a STA just to send the action frame
2433 * unless we are getting more restrictive.
2434 */
2435 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2436 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2437 smps_mode)) {
2438 ht_dbg(sdata,
2439 "Won't send SMPS to sleeping STA %pM\n",
2440 sta->sta.addr);
2441 continue;
2442 }
2443
2444 /*
2445 * If the STA is not authorized, wait until it gets
2446 * authorized and the action frame will be sent then.
2447 */
2448 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2449 continue;
2450
2451 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2452 ieee80211_send_smps_action(sdata, smps_mode,
2453 sta->sta.addr,
2454 sdata->vif.bss_conf.bssid);
2455 }
2456 }
2457 mutex_unlock(&sdata->local->sta_mtx);
2458
2459 sdata->smps_mode = smps_mode;
2460 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2461
2462 return 0;
2463}
2464
2465int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2466 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2467{
2468 const u8 *ap;
2469 enum ieee80211_smps_mode old_req;
2470 int err;
2471
8d61ffa5 2472 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2473
687da132
EG		 2474 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2475 return -EINVAL;
2476
0f78231b
JB		 2477 old_req = sdata->u.mgd.req_smps;
2478 sdata->u.mgd.req_smps = smps_mode;
2479
2480 if (old_req == smps_mode &&
2481 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2482 return 0;
2483
2484 /*
2485 * If not associated, or current association is not an HT
04ecd257
JB		 2486 * association, there's no need to do anything, just store
2487 * the new value until we associate.
0f78231b
JB		 2488 */
2489 if (!sdata->u.mgd.associated ||
4bf88530 2490 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2491 return 0;
0f78231b 2492
0c1ad2ca 2493 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2494
2495 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2496 if (sdata->u.mgd.powersave)
2497 smps_mode = IEEE80211_SMPS_DYNAMIC;
2498 else
2499 smps_mode = IEEE80211_SMPS_OFF;
2500 }
2501
2502 /* send SM PS frame to AP */
2503 err = ieee80211_send_smps_action(sdata, smps_mode,
2504 ap, ap);
2505 if (err)
2506 sdata->u.mgd.req_smps = old_req;
2507
2508 return err;
2509}
2510
bc92afd9
JB		 2511static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2512 bool enabled, int timeout)
2513{
2514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2515 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2516
ee1f6681
CYY		 2517 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2518 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2519 return -EOPNOTSUPP;
2520
bc92afd9
JB		 2521 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2522 return -EOPNOTSUPP;
2523
2524 if (enabled == sdata->u.mgd.powersave &&
ff616381 2525 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2526 return 0;
2527
2528 sdata->u.mgd.powersave = enabled;
ff616381 2529 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2530
0f78231b 2531 /* no change, but if automatic follow powersave */
ed405be5 2532 sdata_lock(sdata);
687da132 2533 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2534 sdata_unlock(sdata);
0f78231b 2535
bc92afd9
JB		 2536 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2537 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2538
2539 ieee80211_recalc_ps(local, -1);
ab095877 2540 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2541
2542 return 0;
2543}
2544
a97c13c3
JO		 2545static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2546 struct net_device *dev,
2547 s32 rssi_thold, u32 rssi_hyst)
2548{
2549 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2550 struct ieee80211_vif *vif = &sdata->vif;
2551 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2552
a97c13c3
JO		 2553 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2554 rssi_hyst == bss_conf->cqm_rssi_hyst)
2555 return 0;
2556
2557 bss_conf->cqm_rssi_thold = rssi_thold;
2558 bss_conf->cqm_rssi_hyst = rssi_hyst;
2559
2560 /* tell the driver upon association, unless already associated */
ea086359
JB		 2561 if (sdata->u.mgd.associated &&
2562 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2563 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2564
2565 return 0;
2566}
2567
9930380f
JB		 2568static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2569 struct net_device *dev,
2570 const u8 *addr,
2571 const struct cfg80211_bitrate_mask *mask)
2572{
2573 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2574 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2575 int i, ret;
2c7e6bc9 2576
554a43d5
EP		 2577 if (!ieee80211_sdata_running(sdata))
2578 return -ENETDOWN;
2579
bdbfd6b5
SM		 2580 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2581 ret = drv_set_bitrate_mask(local, sdata, mask);
2582 if (ret)
2583 return ret;
2584 }
9930380f 2585
19468413 2586 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2587 struct ieee80211_supported_band *sband = wiphy->bands[i];
2588 int j;
2589
37eb0b16 2590 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2591 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2592 sizeof(mask->control[i].mcs));
2ffbe6d3
FF		 2593
2594 sdata->rc_has_mcs_mask[i] = false;
2595 if (!sband)
2596 continue;
2597
2598 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2599 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2600 sdata->rc_has_mcs_mask[i] = true;
2601 break;
2602 }
19468413 2603 }
9930380f 2604
37eb0b16 2605 return 0;
9930380f
JB		 2606}
2607
2eb278e0
JB		 2608static int ieee80211_start_roc_work(struct ieee80211_local *local,
2609 struct ieee80211_sub_if_data *sdata,
2610 struct ieee80211_channel *channel,
2eb278e0 2611 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2612 struct sk_buff *txskb,
2613 enum ieee80211_roc_type type)
2eb278e0
JB		 2614{
2615 struct ieee80211_roc_work *roc, *tmp;
2616 bool queued = false;
21f83589 2617 int ret;
21f83589
JB		 2618
2619 lockdep_assert_held(&local->mtx);
2620
fe57d9f5
JB		 2621 if (local->use_chanctx && !local->ops->remain_on_channel)
2622 return -EOPNOTSUPP;
2623
2eb278e0
JB		 2624 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2625 if (!roc)
2626 return -ENOMEM;
2627
2628 roc->chan = channel;
2eb278e0
JB		 2629 roc->duration = duration;
2630 roc->req_duration = duration;
2631 roc->frame = txskb;
d339d5ca 2632 roc->type = type;
2eb278e0
JB		 2633 roc->mgmt_tx_cookie = (unsigned long)txskb;
2634 roc->sdata = sdata;
2635 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2636 INIT_LIST_HEAD(&roc->dependents);
2637
2638 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2639 if (!list_empty(&local->roc_list) ||
2640 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2641 goto out_check_combine;
2642
2643 /* if not HW assist, just queue & schedule work */
2644 if (!local->ops->remain_on_channel) {
2645 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2646 goto out_queue;
2647 }
2648
2649 /* otherwise actually kick it off here (for error handling) */
2650
2651 /*
2652 * If the duration is zero, then the driver
2653 * wouldn't actually do anything. Set it to
2654 * 10 for now.
2655 *
2656 * TODO: cancel the off-channel operation
2657 * when we get the SKB's TX status and
2658 * the wait time was zero before.
2659 */
2660 if (!duration)
2661 duration = 10;
2662
d339d5ca 2663 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2664 if (ret) {
2eb278e0
JB		 2665 kfree(roc);
2666 return ret;
21f83589
JB		 2667 }
2668
2eb278e0
JB		 2669 roc->started = true;
2670 goto out_queue;
2671
2672 out_check_combine:
2673 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2674 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2675 continue;
2676
2677 /*
2678 * Extend this ROC if possible:
2679 *
2680 * If it hasn't started yet, just increase the duration
2681 * and add the new one to the list of dependents.
d339d5ca
IP		 2682 * If the type of the new ROC has higher priority, modify the
2683 * type of the previous one to match that of the new one.
2eb278e0
JB		 2684 */
2685 if (!tmp->started) {
2686 list_add_tail(&roc->list, &tmp->dependents);
2687 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2688 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2689 queued = true;
2690 break;
2691 }
2692
2693 /* If it has already started, it's more difficult ... */
2694 if (local->ops->remain_on_channel) {
2695 unsigned long j = jiffies;
2696
2697 /*
2698 * In the offloaded ROC case, if it hasn't begun, add
2699 * this new one to the dependent list to be handled
d339d5ca 2700 * when the master one begins. If it has begun,
2eb278e0
JB		 2701 * check that there's still a minimum time left and
2702 * if so, start this one, transmitting the frame, but
d339d5ca 2703 * add it to the list directly after this one with
2eb278e0
JB		 2704 * a reduced time so we'll ask the driver to execute
2705 * it right after finishing the previous one, in the
2706 * hope that it'll also be executed right afterwards,
2707 * effectively extending the old one.
2708 * If there's no minimum time left, just add it to the
2709 * normal list.
d339d5ca
IP		 2710 * TODO: the ROC type is ignored here, assuming that it
2711 * is better to immediately use the current ROC.
2eb278e0
JB		 2712 */
2713 if (!tmp->hw_begun) {
2714 list_add_tail(&roc->list, &tmp->dependents);
2715 queued = true;
2716 break;
2717 }
2718
2719 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2720 tmp->hw_start_time +
2721 msecs_to_jiffies(tmp->duration))) {
2722 int new_dur;
2723
2724 ieee80211_handle_roc_started(roc);
2725
2726 new_dur = roc->duration -
2727 jiffies_to_msecs(tmp->hw_start_time +
2728 msecs_to_jiffies(
2729 tmp->duration) -
2730 j);
2731
2732 if (new_dur > 0) {
2733 /* add right after tmp */
2734 list_add(&roc->list, &tmp->list);
2735 } else {
2736 list_add_tail(&roc->list,
2737 &tmp->dependents);
2738 }
2739 queued = true;
2740 }
2741 } else if (del_timer_sync(&tmp->work.timer)) {
2742 unsigned long new_end;
2743
2744 /*
2745 * In the software ROC case, cancel the timer, if
2746 * that fails then the finish work is already
2747 * queued/pending and thus we queue the new ROC
2748 * normally, if that succeeds then we can extend
2749 * the timer duration and TX the frame (if any.)
2750 */
2751
2752 list_add_tail(&roc->list, &tmp->dependents);
2753 queued = true;
2754
2755 new_end = jiffies + msecs_to_jiffies(roc->duration);
2756
2757 /* ok, it was started & we canceled timer */
2758 if (time_after(new_end, tmp->work.timer.expires))
2759 mod_timer(&tmp->work.timer, new_end);
2760 else
2761 add_timer(&tmp->work.timer);
2762
2763 ieee80211_handle_roc_started(roc);
2764 }
2765 break;
2766 }
2767
2768 out_queue:
2769 if (!queued)
2770 list_add_tail(&roc->list, &local->roc_list);
2771
2772 /*
50febf6a 2773 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2774 * or the SKB (for mgmt TX)
2775 */
50febf6a
JB		 2776 if (!txskb) {
2777 /* local->mtx protects this */
2778 local->roc_cookie_counter++;
2779 roc->cookie = local->roc_cookie_counter;
2780 /* wow, you wrapped 64 bits ... more likely a bug */
2781 if (WARN_ON(roc->cookie == 0)) {
2782 roc->cookie = 1;
2783 local->roc_cookie_counter++;
2784 }
2785 *cookie = roc->cookie;
2786 } else {
2eb278e0 2787 *cookie = (unsigned long)txskb;
50febf6a 2788 }
2eb278e0
JB		 2789
2790 return 0;
21f83589
JB		 2791}
2792
b8bc4b0a 2793static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2794 struct wireless_dev *wdev,
b8bc4b0a 2795 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2796 unsigned int duration,
2797 u64 *cookie)
2798{
71bbc994 2799 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2800 struct ieee80211_local *local = sdata->local;
2eb278e0 2801 int ret;
21f83589 2802
2eb278e0 2803 mutex_lock(&local->mtx);
42d97a59 2804 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2805 duration, cookie, NULL,
2806 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2807 mutex_unlock(&local->mtx);
b8bc4b0a 2808
2eb278e0 2809 return ret;
b8bc4b0a
JB		 2810}
2811
2eb278e0
JB		 2812static int ieee80211_cancel_roc(struct ieee80211_local *local,
2813 u64 cookie, bool mgmt_tx)
21f83589 2814{
2eb278e0 2815 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2816 int ret;
2817
2eb278e0
JB		 2818 mutex_lock(&local->mtx);
2819 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2820 struct ieee80211_roc_work *dep, *tmp2;
2821
2822 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2823 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2824 continue;
2825 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2826 continue;
2827 /* found dependent item -- just remove it */
2828 list_del(&dep->list);
2829 mutex_unlock(&local->mtx);
2830
3fbd45ca 2831 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2832 return 0;
2833 }
2834
50febf6a 2835 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2836 continue;
2837 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2838 continue;
21f83589 2839
2eb278e0
JB		 2840 found = roc;
2841 break;
2842 }
21f83589 2843
2eb278e0
JB		 2844 if (!found) {
2845 mutex_unlock(&local->mtx);
2846 return -ENOENT;
2847 }
21f83589 2848
e979e33c
JB		 2849 /*
2850 * We found the item to cancel, so do that. Note that it
2851 * may have dependents, which we also cancel (and send
2852 * the expired signal for.) Not doing so would be quite
2853 * tricky here, but we may need to fix it later.
2854 */
2855
2eb278e0
JB		 2856 if (local->ops->remain_on_channel) {
2857 if (found->started) {
2858 ret = drv_cancel_remain_on_channel(local);
2859 if (WARN_ON_ONCE(ret)) {
2860 mutex_unlock(&local->mtx);
2861 return ret;
2862 }
2863 }
21f83589 2864
2eb278e0 2865 list_del(&found->list);
21f83589 2866
0f6b3f59
JB		 2867 if (found->started)
2868 ieee80211_start_next_roc(local);
2eb278e0 2869 mutex_unlock(&local->mtx);
21f83589 2870
3fbd45ca 2871 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2872 } else {
2873 /* work may be pending so use it all the time */
2874 found->abort = true;
2875 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2876
21f83589
JB		 2877 mutex_unlock(&local->mtx);
2878
2eb278e0
JB		 2879 /* work will clean up etc */
2880 flush_delayed_work(&found->work);
3fbd45ca
JB		 2881 WARN_ON(!found->to_be_freed);
2882 kfree(found);
21f83589 2883 }
b8bc4b0a 2884
2eb278e0 2885 return 0;
b8bc4b0a
JB		 2886}
2887
2eb278e0 2888static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2889 struct wireless_dev *wdev,
2eb278e0 2890 u64 cookie)
f30221e4 2891{
71bbc994 2892 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2893 struct ieee80211_local *local = sdata->local;
f30221e4 2894
2eb278e0 2895 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2896}
2897
164eb02d
SW		 2898static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2899 struct net_device *dev,
2900 struct cfg80211_chan_def *chandef)
2901{
2902 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2903 struct ieee80211_local *local = sdata->local;
2904 unsigned long timeout;
2905 int err;
2906
2907 if (!list_empty(&local->roc_list) || local->scanning)
2908 return -EBUSY;
2909
2910 /* whatever, but channel contexts should not complain about that one */
2911 sdata->smps_mode = IEEE80211_SMPS_OFF;
2912 sdata->needed_rx_chains = local->rx_chains;
2913 sdata->radar_required = true;
2914
2915 mutex_lock(&local->iflist_mtx);
2916 err = ieee80211_vif_use_channel(sdata, chandef,
2917 IEEE80211_CHANCTX_SHARED);
2918 mutex_unlock(&local->iflist_mtx);
2919 if (err)
2920 return err;
2921
2922 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2923 ieee80211_queue_delayed_work(&sdata->local->hw,
2924 &sdata->dfs_cac_timer_work, timeout);
2925
2926 return 0;
2927}
2928
73da7d5b
SW		 2929static struct cfg80211_beacon_data *
2930cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2931{
2932 struct cfg80211_beacon_data *new_beacon;
2933 u8 *pos;
2934 int len;
2935
2936 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2937 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2938 beacon->probe_resp_len;
2939
2940 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2941 if (!new_beacon)
2942 return NULL;
2943
2944 pos = (u8 *)(new_beacon + 1);
2945 if (beacon->head_len) {
2946 new_beacon->head_len = beacon->head_len;
2947 new_beacon->head = pos;
2948 memcpy(pos, beacon->head, beacon->head_len);
2949 pos += beacon->head_len;
2950 }
2951 if (beacon->tail_len) {
2952 new_beacon->tail_len = beacon->tail_len;
2953 new_beacon->tail = pos;
2954 memcpy(pos, beacon->tail, beacon->tail_len);
2955 pos += beacon->tail_len;
2956 }
2957 if (beacon->beacon_ies_len) {
2958 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2959 new_beacon->beacon_ies = pos;
2960 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2961 pos += beacon->beacon_ies_len;
2962 }
2963 if (beacon->proberesp_ies_len) {
2964 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2965 new_beacon->proberesp_ies = pos;
2966 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2967 pos += beacon->proberesp_ies_len;
2968 }
2969 if (beacon->assocresp_ies_len) {
2970 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2971 new_beacon->assocresp_ies = pos;
2972 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2973 pos += beacon->assocresp_ies_len;
2974 }
2975 if (beacon->probe_resp_len) {
2976 new_beacon->probe_resp_len = beacon->probe_resp_len;
2977 beacon->probe_resp = pos;
2978 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2979 pos += beacon->probe_resp_len;
2980 }
2981
2982 return new_beacon;
2983}
2984
2985void ieee80211_csa_finalize_work(struct work_struct *work)
2986{
2987 struct ieee80211_sub_if_data *sdata =
2988 container_of(work, struct ieee80211_sub_if_data,
2989 csa_finalize_work);
2990 struct ieee80211_local *local = sdata->local;
0951ebb8 2991 int err, changed = 0;
73da7d5b 2992
e487eaeb
SW		 2993 sdata_lock(sdata);
2994 /* AP might have been stopped while waiting for the lock. */
2995 if (!sdata->vif.csa_active)
2996 goto unlock;
2997
73da7d5b 2998 if (!ieee80211_sdata_running(sdata))
e487eaeb 2999 goto unlock;
73da7d5b 3000
73da7d5b 3001 sdata->radar_required = sdata->csa_radar_required;
33787fc4 3002 err = ieee80211_vif_change_channel(sdata, &changed);
73da7d5b 3003 if (WARN_ON(err < 0))
e487eaeb 3004 goto unlock;
73da7d5b 3005
7578d575 3006 if (!local->use_chanctx) {
33787fc4 3007 local->_oper_chandef = sdata->csa_chandef;
7578d575
AN		 3008 ieee80211_hw_config(local, 0);
3009 }
3010
cd7760e6 3011 ieee80211_bss_info_change_notify(sdata, changed);
73da7d5b 3012
e487eaeb 3013 sdata->vif.csa_active = false;
cd7760e6
SW		 3014 switch (sdata->vif.type) {
3015 case NL80211_IFTYPE_AP:
3016 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
3017 if (err < 0)
e487eaeb
SW		 3018 goto unlock;
3019
cd7760e6
SW		 3020 changed |= err;
3021 kfree(sdata->u.ap.next_beacon);
3022 sdata->u.ap.next_beacon = NULL;
3023
3024 ieee80211_bss_info_change_notify(sdata, err);
3025 break;
3026 case NL80211_IFTYPE_ADHOC:
3027 ieee80211_ibss_finish_csa(sdata);
3028 break;
b8456a14
CYY		 3029#ifdef CONFIG_MAC80211_MESH
3030 case NL80211_IFTYPE_MESH_POINT:
3031 err = ieee80211_mesh_finish_csa(sdata);
3032 if (err < 0)
e487eaeb 3033 goto unlock;
b8456a14
CYY		 3034 break;
3035#endif
cd7760e6
SW		 3036 default:
3037 WARN_ON(1);
e487eaeb 3038 goto unlock;
cd7760e6 3039 }
73da7d5b
SW		 3040
3041 ieee80211_wake_queues_by_reason(&sdata->local->hw,
3042 IEEE80211_MAX_QUEUE_MAP,
3043 IEEE80211_QUEUE_STOP_REASON_CSA);
3044
33787fc4 3045 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
e487eaeb
SW		 3046
3047unlock:
3048 sdata_unlock(sdata);
73da7d5b
SW		 3049}
3050
3051static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3052 struct cfg80211_csa_settings *params)
3053{
3054 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3055 struct ieee80211_local *local = sdata->local;
3056 struct ieee80211_chanctx_conf *chanctx_conf;
3057 struct ieee80211_chanctx *chanctx;
c6da674a 3058 struct ieee80211_if_mesh __maybe_unused *ifmsh;
73da7d5b
SW		 3059 int err, num_chanctx;
3060
7ca133bc
SW		 3061 lockdep_assert_held(&sdata->wdev.mtx);
3062
73da7d5b
SW		 3063 if (!list_empty(&local->roc_list) || local->scanning)
3064 return -EBUSY;
3065
3066 if (sdata->wdev.cac_started)
3067 return -EBUSY;
3068
3069 if (cfg80211_chandef_identical(&params->chandef,
3070 &sdata->vif.bss_conf.chandef))
3071 return -EINVAL;
3072
3073 rcu_read_lock();
3074 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3075 if (!chanctx_conf) {
3076 rcu_read_unlock();
3077 return -EBUSY;
3078 }
3079
3080 /* don't handle for multi-VIF cases */
3081 chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
3082 if (chanctx->refcount > 1) {
3083 rcu_read_unlock();
3084 return -EBUSY;
3085 }
3086 num_chanctx = 0;
3087 list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
3088 num_chanctx++;
3089 rcu_read_unlock();
3090
3091 if (num_chanctx > 1)
3092 return -EBUSY;
3093
3094 /* don't allow another channel switch if one is already active. */
3095 if (sdata->vif.csa_active)
3096 return -EBUSY;
3097
73da7d5b
SW		 3098 switch (sdata->vif.type) {
3099 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3100 sdata->csa_counter_offset_beacon =
3101 params->counter_offset_beacon;
3102 sdata->csa_counter_offset_presp = params->counter_offset_presp;
3103 sdata->u.ap.next_beacon =
3104 cfg80211_beacon_dup(&params->beacon_after);
3105 if (!sdata->u.ap.next_beacon)
3106 return -ENOMEM;
3107
3108 err = ieee80211_assign_beacon(sdata, &params->beacon_csa);
3109 if (err < 0) {
3110 kfree(sdata->u.ap.next_beacon);
3111 return err;
3112 }
3113 break;
3114 case NL80211_IFTYPE_ADHOC:
3115 if (!sdata->vif.bss_conf.ibss_joined)
3116 return -EINVAL;
3117
3118 if (params->chandef.width != sdata->u.ibss.chandef.width)
3119 return -EINVAL;
3120
3121 switch (params->chandef.width) {
3122 case NL80211_CHAN_WIDTH_40:
3123 if (cfg80211_get_chandef_type(&params->chandef) !=
3124 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3125 return -EINVAL;
3126 case NL80211_CHAN_WIDTH_5:
3127 case NL80211_CHAN_WIDTH_10:
3128 case NL80211_CHAN_WIDTH_20_NOHT:
3129 case NL80211_CHAN_WIDTH_20:
3130 break;
3131 default:
3132 return -EINVAL;
3133 }
3134
3135 /* changes into another band are not supported */
3136 if (sdata->u.ibss.chandef.chan->band !=
3137 params->chandef.chan->band)
3138 return -EINVAL;
3139
3140 err = ieee80211_ibss_csa_beacon(sdata, params);
3141 if (err < 0)
3142 return err;
73da7d5b 3143 break;
c6da674a
CYY		 3144#ifdef CONFIG_MAC80211_MESH
3145 case NL80211_IFTYPE_MESH_POINT:
3146 ifmsh = &sdata->u.mesh;
3147
3148 if (!ifmsh->mesh_id)
3149 return -EINVAL;
3150
3151 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3152 return -EINVAL;
3153
3154 /* changes into another band are not supported */
3155 if (sdata->vif.bss_conf.chandef.chan->band !=
3156 params->chandef.chan->band)
3157 return -EINVAL;
3158
b8456a14 3159 err = ieee80211_mesh_csa_beacon(sdata, params, true);
c6da674a
CYY		 3160 if (err < 0)
3161 return err;
3162 break;
3163#endif
73da7d5b
SW		 3164 default:
3165 return -EOPNOTSUPP;
3166 }
3167
73da7d5b
SW		 3168 sdata->csa_radar_required = params->radar_required;
3169
3170 if (params->block_tx)
3171 ieee80211_stop_queues_by_reason(&local->hw,
3172 IEEE80211_MAX_QUEUE_MAP,
3173 IEEE80211_QUEUE_STOP_REASON_CSA);
3174
33787fc4 3175 sdata->csa_chandef = params->chandef;
73da7d5b
SW		 3176 sdata->vif.csa_active = true;
3177
3178 ieee80211_bss_info_change_notify(sdata, err);
3179 drv_channel_switch_beacon(sdata, &params->chandef);
3180
3181 return 0;
3182}
3183
71bbc994 3184static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3185 struct cfg80211_mgmt_tx_params *params,
3186 u64 *cookie)
026331c4 3187{
71bbc994 3188 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3189 struct ieee80211_local *local = sdata->local;
3190 struct sk_buff *skb;
3191 struct sta_info *sta;
b176e629 3192 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3193 bool need_offchan = false;
e247bd90 3194 u32 flags;
2eb278e0 3195 int ret;
f7ca38df 3196
b176e629 3197 if (params->dont_wait_for_ack)
e247bd90
JB		 3198 flags = IEEE80211_TX_CTL_NO_ACK;
3199 else
3200 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3201 IEEE80211_TX_CTL_REQ_TX_STATUS;
3202
b176e629 3203 if (params->no_cck)
aad14ceb
RM		 3204 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3205
9d38d85d
JB		 3206 switch (sdata->vif.type) {
3207 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3208 if (!sdata->vif.bss_conf.ibss_joined)
3209 need_offchan = true;
3210 /* fall through */
3211#ifdef CONFIG_MAC80211_MESH
3212 case NL80211_IFTYPE_MESH_POINT:
3213 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3214 !sdata->u.mesh.mesh_id_len)
3215 need_offchan = true;
3216 /* fall through */
3217#endif
663fcafd
JB		 3218 case NL80211_IFTYPE_AP:
3219 case NL80211_IFTYPE_AP_VLAN:
3220 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3221 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3222 !ieee80211_vif_is_mesh(&sdata->vif) &&
3223 !rcu_access_pointer(sdata->bss->beacon))
3224 need_offchan = true;
663fcafd 3225 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3226 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3227 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3228 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3229 break;
3230 rcu_read_lock();
3231 sta = sta_info_get(sdata, mgmt->da);
3232 rcu_read_unlock();
3233 if (!sta)
3234 return -ENOLINK;
3235 break;
3236 case NL80211_IFTYPE_STATION:
663fcafd 3237 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3238 if (!sdata->u.mgd.associated)
3239 need_offchan = true;
9d38d85d 3240 break;
f142c6b9
JB		 3241 case NL80211_IFTYPE_P2P_DEVICE:
3242 need_offchan = true;
3243 break;
9d38d85d
JB		 3244 default:
3245 return -EOPNOTSUPP;
3246 }
3247
f7aeb6fb
AQ		 3248 /* configurations requiring offchan cannot work if no channel has been
3249 * specified
3250 */
b176e629 3251 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3252 return -EINVAL;
3253
2eb278e0
JB		 3254 mutex_lock(&local->mtx);
3255
3256 /* Check if the operating channel is the requested channel */
3257 if (!need_offchan) {
55de908a
JB		 3258 struct ieee80211_chanctx_conf *chanctx_conf;
3259
3260 rcu_read_lock();
3261 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3262
f7aeb6fb 3263 if (chanctx_conf) {
b176e629
AO		 3264 need_offchan = params->chan &&
3265 (params->chan !=
3266 chanctx_conf->def.chan);
3267 } else if (!params->chan) {
f7aeb6fb
AQ		 3268 ret = -EINVAL;
3269 rcu_read_unlock();
3270 goto out_unlock;
3271 } else {
2eb278e0 3272 need_offchan = true;
f7aeb6fb 3273 }
55de908a 3274 rcu_read_unlock();
2eb278e0
JB		 3275 }
3276
b176e629 3277 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3278 ret = -EBUSY;
3279 goto out_unlock;
3280 }
3281
b176e629 3282 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3283 if (!skb) {
3284 ret = -ENOMEM;
3285 goto out_unlock;
3286 }
9d38d85d
JB		 3287 skb_reserve(skb, local->hw.extra_tx_headroom);
3288
b176e629 3289 memcpy(skb_put(skb, params->len), params->buf, params->len);
9d38d85d
JB		 3290
3291 IEEE80211_SKB_CB(skb)->flags = flags;
3292
3293 skb->dev = sdata->dev;
9d38d85d 3294
2eb278e0 3295 if (!need_offchan) {
7f9f78ab 3296 *cookie = (unsigned long) skb;
f30221e4 3297 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3298 ret = 0;
3299 goto out_unlock;
f30221e4
JB		 3300 }
3301
6c17b77b
SF		 3302 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3303 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3304 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3305 IEEE80211_SKB_CB(skb)->hw_queue =
3306 local->hw.offchannel_tx_hw_queue;
f30221e4 3307
2eb278e0 3308 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3309 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3310 params->wait, cookie, skb,
d339d5ca 3311 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3312 if (ret)
3313 kfree_skb(skb);
3314 out_unlock:
3315 mutex_unlock(&local->mtx);
3316 return ret;
026331c4
JM		 3317}
3318
f30221e4 3319static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3320 struct wireless_dev *wdev,
f30221e4
JB		 3321 u64 cookie)
3322{
71bbc994 3323 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3324
2eb278e0 3325 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3326}
3327
7be5086d 3328static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3329 struct wireless_dev *wdev,
7be5086d
JB		 3330 u16 frame_type, bool reg)
3331{
3332 struct ieee80211_local *local = wiphy_priv(wiphy);
3333
6abe0563 3334 switch (frame_type) {
6abe0563
WH		 3335 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3336 if (reg)
3337 local->probe_req_reg++;
3338 else
3339 local->probe_req_reg--;
7be5086d 3340
35f5149e
FF		 3341 if (!local->open_count)
3342 break;
3343
6abe0563
WH		 3344 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3345 break;
3346 default:
3347 break;
3348 }
7be5086d
JB		 3349}
3350
15d96753
BR		 3351static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3352{
3353 struct ieee80211_local *local = wiphy_priv(wiphy);
3354
3355 if (local->started)
3356 return -EOPNOTSUPP;
3357
3358 return drv_set_antenna(local, tx_ant, rx_ant);
3359}
3360
3361static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3362{
3363 struct ieee80211_local *local = wiphy_priv(wiphy);
3364
3365 return drv_get_antenna(local, tx_ant, rx_ant);
3366}
3367
38c09159
JL		 3368static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
3369{
3370 struct ieee80211_local *local = wiphy_priv(wiphy);
3371
3372 return drv_set_ringparam(local, tx, rx);
3373}
3374
3375static void ieee80211_get_ringparam(struct wiphy *wiphy,
3376 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
3377{
3378 struct ieee80211_local *local = wiphy_priv(wiphy);
3379
3380 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
3381}
3382
c68f4b89
JB		 3383static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3384 struct net_device *dev,
3385 struct cfg80211_gtk_rekey_data *data)
3386{
3387 struct ieee80211_local *local = wiphy_priv(wiphy);
3388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3389
3390 if (!local->ops->set_rekey_data)
3391 return -EOPNOTSUPP;
3392
3393 drv_set_rekey_data(local, sdata, data);
3394
3395 return 0;
3396}
3397
dfe018bf
AN		 3398static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
3399{
3400 u8 *pos = (void *)skb_put(skb, 7);
3401
3402 *pos++ = WLAN_EID_EXT_CAPABILITY;
3403 *pos++ = 5; /* len */
3404 *pos++ = 0x0;
3405 *pos++ = 0x0;
3406 *pos++ = 0x0;
3407 *pos++ = 0x0;
3408 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
3409}
3410
3411static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
3412{
3413 struct ieee80211_local *local = sdata->local;
3414 u16 capab;
3415
3416 capab = 0;
55de908a 3417 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 3418 return capab;
3419
3420 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3421 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3422 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3423 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3424
3425 return capab;
3426}
3427
3428static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3429 u8 *peer, u8 *bssid)
3430{
3431 struct ieee80211_tdls_lnkie *lnkid;
3432
3433 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3434
3435 lnkid->ie_type = WLAN_EID_LINK_ID;
3436 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3437
3438 memcpy(lnkid->bssid, bssid, ETH_ALEN);
3439 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3440 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3441}
3442
3443static int
3444ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3445 u8 *peer, u8 action_code, u8 dialog_token,
3446 u16 status_code, struct sk_buff *skb)
3447{
3448 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3449 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3450 struct ieee80211_tdls_data *tf;
3451
3452 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3453
3454 memcpy(tf->da, peer, ETH_ALEN);
3455 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3456 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3457 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3458
3459 switch (action_code) {
3460 case WLAN_TDLS_SETUP_REQUEST:
3461 tf->category = WLAN_CATEGORY_TDLS;
3462 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3463
3464 skb_put(skb, sizeof(tf->u.setup_req));
3465 tf->u.setup_req.dialog_token = dialog_token;
3466 tf->u.setup_req.capability =
3467 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3468
55de908a
JB		 3469 ieee80211_add_srates_ie(sdata, skb, false, band);
3470 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3471 ieee80211_tdls_add_ext_capab(skb);
3472 break;
3473 case WLAN_TDLS_SETUP_RESPONSE:
3474 tf->category = WLAN_CATEGORY_TDLS;
3475 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3476
3477 skb_put(skb, sizeof(tf->u.setup_resp));
3478 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3479 tf->u.setup_resp.dialog_token = dialog_token;
3480 tf->u.setup_resp.capability =
3481 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3482
55de908a
JB		 3483 ieee80211_add_srates_ie(sdata, skb, false, band);
3484 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3485 ieee80211_tdls_add_ext_capab(skb);
3486 break;
3487 case WLAN_TDLS_SETUP_CONFIRM:
3488 tf->category = WLAN_CATEGORY_TDLS;
3489 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3490
3491 skb_put(skb, sizeof(tf->u.setup_cfm));
3492 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3493 tf->u.setup_cfm.dialog_token = dialog_token;
3494 break;
3495 case WLAN_TDLS_TEARDOWN:
3496 tf->category = WLAN_CATEGORY_TDLS;
3497 tf->action_code = WLAN_TDLS_TEARDOWN;
3498
3499 skb_put(skb, sizeof(tf->u.teardown));
3500 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3501 break;
3502 case WLAN_TDLS_DISCOVERY_REQUEST:
3503 tf->category = WLAN_CATEGORY_TDLS;
3504 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3505
3506 skb_put(skb, sizeof(tf->u.discover_req));
3507 tf->u.discover_req.dialog_token = dialog_token;
3508 break;
3509 default:
3510 return -EINVAL;
3511 }
3512
3513 return 0;
3514}
3515
3516static int
3517ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3518 u8 *peer, u8 action_code, u8 dialog_token,
3519 u16 status_code, struct sk_buff *skb)
3520{
3521 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3522 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3523 struct ieee80211_mgmt *mgmt;
3524
3525 mgmt = (void *)skb_put(skb, 24);
3526 memset(mgmt, 0, 24);
3527 memcpy(mgmt->da, peer, ETH_ALEN);
3528 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3529 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3530
3531 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3532 IEEE80211_STYPE_ACTION);
3533
3534 switch (action_code) {
3535 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3536 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3537 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3538 mgmt->u.action.u.tdls_discover_resp.action_code =
3539 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3540 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3541 dialog_token;
3542 mgmt->u.action.u.tdls_discover_resp.capability =
3543 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3544
55de908a
JB		 3545 ieee80211_add_srates_ie(sdata, skb, false, band);
3546 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3547 ieee80211_tdls_add_ext_capab(skb);
3548 break;
3549 default:
3550 return -EINVAL;
3551 }
3552
3553 return 0;
3554}
3555
3556static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3557 u8 *peer, u8 action_code, u8 dialog_token,
3558 u16 status_code, const u8 *extra_ies,
3559 size_t extra_ies_len)
3560{
3561 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3562 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3563 struct sk_buff *skb = NULL;
3564 bool send_direct;
3565 int ret;
3566
3567 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3568 return -ENOTSUPP;
3569
3570 /* make sure we are in managed mode, and associated */
3571 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3572 !sdata->u.mgd.associated)
3573 return -EINVAL;
3574
bdcbd8e0
JB		 3575 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3576 action_code, peer);
dfe018bf
AN		 3577
3578 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3579 max(sizeof(struct ieee80211_mgmt),
3580 sizeof(struct ieee80211_tdls_data)) +
3581 50 + /* supported rates */
3582 7 + /* ext capab */
3583 extra_ies_len +
3584 sizeof(struct ieee80211_tdls_lnkie));
3585 if (!skb)
3586 return -ENOMEM;
3587
dfe018bf
AN		 3588 skb_reserve(skb, local->hw.extra_tx_headroom);
3589
3590 switch (action_code) {
3591 case WLAN_TDLS_SETUP_REQUEST:
3592 case WLAN_TDLS_SETUP_RESPONSE:
3593 case WLAN_TDLS_SETUP_CONFIRM:
3594 case WLAN_TDLS_TEARDOWN:
3595 case WLAN_TDLS_DISCOVERY_REQUEST:
3596 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3597 action_code, dialog_token,
3598 status_code, skb);
3599 send_direct = false;
3600 break;
3601 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3602 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3603 dialog_token, status_code,
3604 skb);
3605 send_direct = true;
3606 break;
3607 default:
3608 ret = -ENOTSUPP;
3609 break;
3610 }
3611
3612 if (ret < 0)
3613 goto fail;
3614
3615 if (extra_ies_len)
3616 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3617
3618 /* the TDLS link IE is always added last */
3619 switch (action_code) {
3620 case WLAN_TDLS_SETUP_REQUEST:
3621 case WLAN_TDLS_SETUP_CONFIRM:
3622 case WLAN_TDLS_TEARDOWN:
3623 case WLAN_TDLS_DISCOVERY_REQUEST:
3624 /* we are the initiator */
3625 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3626 sdata->u.mgd.bssid);
3627 break;
3628 case WLAN_TDLS_SETUP_RESPONSE:
3629 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3630 /* we are the responder */
3631 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3632 sdata->u.mgd.bssid);
3633 break;
3634 default:
3635 ret = -ENOTSUPP;
3636 goto fail;
3637 }
3638
3639 if (send_direct) {
3640 ieee80211_tx_skb(sdata, skb);
3641 return 0;
3642 }
3643
3644 /*
3645 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3646 * we should default to AC_VI.
3647 */
3648 switch (action_code) {
3649 case WLAN_TDLS_SETUP_REQUEST:
3650 case WLAN_TDLS_SETUP_RESPONSE:
3651 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3652 skb->priority = 2;
3653 break;
3654 default:
3655 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3656 skb->priority = 5;
3657 break;
3658 }
3659
3660 /* disable bottom halves when entering the Tx path */
3661 local_bh_disable();
3662 ret = ieee80211_subif_start_xmit(skb, dev);
3663 local_bh_enable();
3664
3665 return ret;
3666
3667fail:
3668 dev_kfree_skb(skb);
3669 return ret;
3670}
3671
3672static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3673 u8 *peer, enum nl80211_tdls_operation oper)
3674{
941c93cd 3675 struct sta_info *sta;
dfe018bf
AN		 3676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3677
3678 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3679 return -ENOTSUPP;
3680
3681 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3682 return -EINVAL;
3683
bdcbd8e0 3684 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3685
3686 switch (oper) {
3687 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3688 rcu_read_lock();
3689 sta = sta_info_get(sdata, peer);
3690 if (!sta) {
3691 rcu_read_unlock();
3692 return -ENOLINK;
3693 }
3694
c2c98fde 3695 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3696 rcu_read_unlock();
dfe018bf
AN		 3697 break;
3698 case NL80211_TDLS_DISABLE_LINK:
3699 return sta_info_destroy_addr(sdata, peer);
3700 case NL80211_TDLS_TEARDOWN:
3701 case NL80211_TDLS_SETUP:
3702 case NL80211_TDLS_DISCOVERY_REQ:
3703 /* We don't support in-driver setup/teardown/discovery */
3704 return -ENOTSUPP;
3705 default:
3706 return -ENOTSUPP;
3707 }
3708
3709 return 0;
3710}
3711
06500736
JB		 3712static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3713 const u8 *peer, u64 *cookie)
3714{
3715 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3716 struct ieee80211_local *local = sdata->local;
3717 struct ieee80211_qos_hdr *nullfunc;
3718 struct sk_buff *skb;
3719 int size = sizeof(*nullfunc);
3720 __le16 fc;
3721 bool qos;
3722 struct ieee80211_tx_info *info;
3723 struct sta_info *sta;
55de908a
JB		 3724 struct ieee80211_chanctx_conf *chanctx_conf;
3725 enum ieee80211_band band;
06500736
JB		 3726
3727 rcu_read_lock();
55de908a
JB		 3728 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3729 if (WARN_ON(!chanctx_conf)) {
3730 rcu_read_unlock();
3731 return -EINVAL;
3732 }
4bf88530 3733 band = chanctx_conf->def.chan->band;
03bb7f42 3734 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3735 if (sta) {
06500736 3736 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3737 } else {
3738 rcu_read_unlock();
06500736 3739 return -ENOLINK;
b4487c2d 3740 }
06500736
JB		 3741
3742 if (qos) {
3743 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3744 IEEE80211_STYPE_QOS_NULLFUNC |
3745 IEEE80211_FCTL_FROMDS);
3746 } else {
3747 size -= 2;
3748 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3749 IEEE80211_STYPE_NULLFUNC |
3750 IEEE80211_FCTL_FROMDS);
3751 }
3752
3753 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3754 if (!skb) {
3755 rcu_read_unlock();
06500736 3756 return -ENOMEM;
55de908a 3757 }
06500736
JB		 3758
3759 skb->dev = dev;
3760
3761 skb_reserve(skb, local->hw.extra_tx_headroom);
3762
3763 nullfunc = (void *) skb_put(skb, size);
3764 nullfunc->frame_control = fc;
3765 nullfunc->duration_id = 0;
3766 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3767 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3768 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3769 nullfunc->seq_ctrl = 0;
3770
3771 info = IEEE80211_SKB_CB(skb);
3772
3773 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3774 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3775
3776 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3777 skb->priority = 7;
3778 if (qos)
3779 nullfunc->qos_ctrl = cpu_to_le16(7);
3780
3781 local_bh_disable();
55de908a 3782 ieee80211_xmit(sdata, skb, band);
06500736 3783 local_bh_enable();
55de908a 3784 rcu_read_unlock();
06500736
JB		 3785
3786 *cookie = (unsigned long) skb;
3787 return 0;
3788}
3789
683b6d3b
JB		 3790static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3791 struct wireless_dev *wdev,
3792 struct cfg80211_chan_def *chandef)
5b7ccaf3 3793{
55de908a 3794 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3795 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3796 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3797 int ret = -ENODATA;
55de908a
JB		 3798
3799 rcu_read_lock();
feda3027
JB		 3800 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3801 if (chanctx_conf) {
3802 *chandef = chanctx_conf->def;
3803 ret = 0;
3804 } else if (local->open_count > 0 &&
3805 local->open_count == local->monitors &&
3806 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3807 if (local->use_chanctx)
3808 *chandef = local->monitor_chandef;
3809 else
675a0b04 3810 *chandef = local->_oper_chandef;
683b6d3b 3811 ret = 0;
55de908a
JB		 3812 }
3813 rcu_read_unlock();
5b7ccaf3 3814
683b6d3b 3815 return ret;
5b7ccaf3
JB		 3816}
3817
6d52563f
JB		 3818#ifdef CONFIG_PM
3819static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3820{
3821 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3822}
3823#endif
3824
f0706e82
JB		 3825struct cfg80211_ops mac80211_config_ops = {
3826 .add_virtual_intf = ieee80211_add_iface,
3827 .del_virtual_intf = ieee80211_del_iface,
42613db7 3828 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3829 .start_p2p_device = ieee80211_start_p2p_device,
3830 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3831 .add_key = ieee80211_add_key,
3832 .del_key = ieee80211_del_key,
62da92fb 3833 .get_key = ieee80211_get_key,
e8cbb4cb 3834 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3835 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3836 .start_ap = ieee80211_start_ap,
3837 .change_beacon = ieee80211_change_beacon,
3838 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3839 .add_station = ieee80211_add_station,
3840 .del_station = ieee80211_del_station,
3841 .change_station = ieee80211_change_station,
7bbdd2d9 3842 .get_station = ieee80211_get_station,
c5dd9c2b 3843 .dump_station = ieee80211_dump_station,
1289723e 3844 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3845#ifdef CONFIG_MAC80211_MESH
3846 .add_mpath = ieee80211_add_mpath,
3847 .del_mpath = ieee80211_del_mpath,
3848 .change_mpath = ieee80211_change_mpath,
3849 .get_mpath = ieee80211_get_mpath,
3850 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3851 .update_mesh_config = ieee80211_update_mesh_config,
3852 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3853 .join_mesh = ieee80211_join_mesh,
3854 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3855#endif
9f1ba906 3856 .change_bss = ieee80211_change_bss,
31888487 3857 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3858 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3859 .suspend = ieee80211_suspend,
3860 .resume = ieee80211_resume,
2a519311 3861 .scan = ieee80211_scan,
79f460ca
LC		 3862 .sched_scan_start = ieee80211_sched_scan_start,
3863 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3864 .auth = ieee80211_auth,
3865 .assoc = ieee80211_assoc,
3866 .deauth = ieee80211_deauth,
3867 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3868 .join_ibss = ieee80211_join_ibss,
3869 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3870 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3871 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3872 .set_tx_power = ieee80211_set_tx_power,
3873 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3874 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3875 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3876 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3877 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3878 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3879 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3880 .remain_on_channel = ieee80211_remain_on_channel,
3881 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3882 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3883 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3884 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3885 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3886 .set_antenna = ieee80211_set_antenna,
3887 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3888 .set_ringparam = ieee80211_set_ringparam,
3889 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3890 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3891 .tdls_oper = ieee80211_tdls_oper,
3892 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3893 .probe_client = ieee80211_probe_client,
b53be792 3894 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3895#ifdef CONFIG_PM
3896 .set_wakeup = ieee80211_set_wakeup,
3897#endif
b1ab7925
BG		 3898 .get_et_sset_count = ieee80211_get_et_sset_count,
3899 .get_et_stats = ieee80211_get_et_stats,
3900 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3901 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3902 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3903 .channel_switch = ieee80211_channel_switch,
f0706e82 3904};
ubuntu-bionic-kernel mirror