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mac80211: Fix possible sband related NULL pointer de-reference
[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>
b2eb0ee6 5 * Copyright 2013-2015 Intel Mobile Communications GmbH
e8e4f528 6 * Copyright (C) 2015-2017 Intel Deutschland GmbH
f0706e82
JB		 7 *
8 * This file is GPLv2 as found in COPYING.
9 */
10
e8cbb4cb 11#include <linux/ieee80211.h>
f0706e82
JB		 12#include <linux/nl80211.h>
13#include <linux/rtnetlink.h>
5a0e3ad6 14#include <linux/slab.h>
881d966b 15#include <net/net_namespace.h>
5dfdaf58 16#include <linux/rcupdate.h>
dfe018bf 17#include <linux/if_ether.h>
f0706e82
JB		 18#include <net/cfg80211.h>
19#include "ieee80211_i.h"
24487981 20#include "driver-ops.h"
2c8dccc7 21#include "rate.h"
c5dd9c2b 22#include "mesh.h"
02219b3a 23#include "wme.h"
c5dd9c2b 24
65f1d600
JB		 25static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
26 struct vif_params *params)
8c5e6889 27{
8c5e6889
JB		 28 bool mu_mimo_groups = false;
29 bool mu_mimo_follow = false;
30
8c5e6889
JB		 31 if (params->vht_mumimo_groups) {
32 u64 membership;
33
34 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
35
65f1d600 36 memcpy(sdata->vif.bss_conf.mu_group.membership,
8c5e6889 37 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
65f1d600 38 memcpy(sdata->vif.bss_conf.mu_group.position,
8c5e6889
JB		 39 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
40 WLAN_USER_POSITION_LEN);
65f1d600 41 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
8c5e6889
JB		 42 /* don't care about endianness - just check for 0 */
43 memcpy(&membership, params->vht_mumimo_groups,
44 WLAN_MEMBERSHIP_LEN);
45 mu_mimo_groups = membership != 0;
46 }
47
48 if (params->vht_mumimo_follow_addr) {
49 mu_mimo_follow =
50 is_valid_ether_addr(params->vht_mumimo_follow_addr);
65f1d600 51 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
8c5e6889
JB		 52 params->vht_mumimo_follow_addr);
53 }
54
65f1d600
JB		 55 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
56}
57
58static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
59 struct vif_params *params)
60{
61 struct ieee80211_local *local = sdata->local;
62 struct ieee80211_sub_if_data *monitor_sdata;
63
64 /* check flags first */
65 if (params->flags && ieee80211_sdata_running(sdata)) {
66 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
67
68 /*
69 * Prohibit MONITOR_FLAG_COOK_FRAMES and
70 * MONITOR_FLAG_ACTIVE to be changed while the
71 * interface is up.
72 * Else we would need to add a lot of cruft
73 * to update everything:
74 * cooked_mntrs, monitor and all fif_* counters
75 * reconfigure hardware
76 */
77 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
78 return -EBUSY;
79 }
80
81 /* also validate MU-MIMO change */
82 monitor_sdata = rtnl_dereference(local->monitor_sdata);
83
84 if (!monitor_sdata &&
85 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
86 return -EOPNOTSUPP;
87
88 /* apply all changes now - no failures allowed */
89
90 if (monitor_sdata)
91 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
92
93 if (params->flags) {
94 if (ieee80211_sdata_running(sdata)) {
95 ieee80211_adjust_monitor_flags(sdata, -1);
96 sdata->u.mntr.flags = params->flags;
97 ieee80211_adjust_monitor_flags(sdata, 1);
98
99 ieee80211_configure_filter(local);
100 } else {
101 /*
102 * Because the interface is down, ieee80211_do_stop
103 * and ieee80211_do_open take care of "everything"
104 * mentioned in the comment above.
105 */
106 sdata->u.mntr.flags = params->flags;
107 }
108 }
8c5e6889
JB		 109
110 return 0;
111}
112
552bff0c
JB		 113static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
114 const char *name,
6bab2e19 115 unsigned char name_assign_type,
84efbb84 116 enum nl80211_iftype type,
84efbb84 117 struct vif_params *params)
f0706e82
JB		 118{
119 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 120 struct wireless_dev *wdev;
8cc9a739
MW		 121 struct ieee80211_sub_if_data *sdata;
122 int err;
f0706e82 123
6bab2e19 124 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
f9e10ce4
JB		 125 if (err)
126 return ERR_PTR(err);
8cc9a739 127
8c5e6889
JB		 128 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
129
130 if (type == NL80211_IFTYPE_MONITOR) {
65f1d600 131 err = ieee80211_set_mon_options(sdata, params);
8c5e6889
JB		 132 if (err) {
133 ieee80211_if_remove(sdata);
134 return NULL;
135 }
f9e10ce4
JB		 136 }
137
84efbb84 138 return wdev;
f0706e82
JB		 139}
140
84efbb84 141static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 142{
84efbb84 143 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 144
75636525 145 return 0;
f0706e82
JB		 146}
147
e36d56b6
JB		 148static int ieee80211_change_iface(struct wiphy *wiphy,
149 struct net_device *dev,
818a986e 150 enum nl80211_iftype type,
2ec600d6 151 struct vif_params *params)
42613db7 152{
9607e6b6 153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 154 int ret;
42613db7 155
05c914fe 156 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 157 if (ret)
158 return ret;
42613db7 159
9bc383de 160 if (type == NL80211_IFTYPE_AP_VLAN &&
49ddf8e6 161 params && params->use_4addr == 0) {
a9b3cd7f 162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
49ddf8e6
JB		 163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION &&
165 params && params->use_4addr >= 0) {
9bc383de 166 sdata->u.mgd.use_4addr = params->use_4addr;
49ddf8e6 167 }
9bc383de 168
42bd20d9 169 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
65f1d600
JB		 170 ret = ieee80211_set_mon_options(sdata, params);
171 if (ret)
172 return ret;
85416a4f 173 }
f7917af9 174
42613db7
JB		 175 return 0;
176}
177
f142c6b9
JB		 178static int ieee80211_start_p2p_device(struct wiphy *wiphy,
179 struct wireless_dev *wdev)
180{
b6a55015
LC		 181 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
182 int ret;
183
184 mutex_lock(&sdata->local->chanctx_mtx);
185 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
186 mutex_unlock(&sdata->local->chanctx_mtx);
187 if (ret < 0)
188 return ret;
189
f142c6b9
JB		 190 return ieee80211_do_open(wdev, true);
191}
192
193static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
194 struct wireless_dev *wdev)
195{
196 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
197}
198
708d50ed
AB		 199static int ieee80211_start_nan(struct wiphy *wiphy,
200 struct wireless_dev *wdev,
201 struct cfg80211_nan_conf *conf)
202{
203 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
204 int ret;
205
206 mutex_lock(&sdata->local->chanctx_mtx);
207 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
208 mutex_unlock(&sdata->local->chanctx_mtx);
209 if (ret < 0)
210 return ret;
211
212 ret = ieee80211_do_open(wdev, true);
213 if (ret)
214 return ret;
215
216 ret = drv_start_nan(sdata->local, sdata, conf);
217 if (ret)
218 ieee80211_sdata_stop(sdata);
219
167e33f4
AB		 220 sdata->u.nan.conf = *conf;
221
708d50ed
AB		 222 return ret;
223}
224
225static void ieee80211_stop_nan(struct wiphy *wiphy,
226 struct wireless_dev *wdev)
227{
228 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
229
230 drv_stop_nan(sdata->local, sdata);
231 ieee80211_sdata_stop(sdata);
232}
233
5953ff6d
AB		 234static int ieee80211_nan_change_conf(struct wiphy *wiphy,
235 struct wireless_dev *wdev,
236 struct cfg80211_nan_conf *conf,
237 u32 changes)
238{
239 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
240 struct cfg80211_nan_conf new_conf;
241 int ret = 0;
242
243 if (sdata->vif.type != NL80211_IFTYPE_NAN)
244 return -EOPNOTSUPP;
245
246 if (!ieee80211_sdata_running(sdata))
247 return -ENETDOWN;
248
249 new_conf = sdata->u.nan.conf;
250
251 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
252 new_conf.master_pref = conf->master_pref;
253
8585989d
LC		 254 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
255 new_conf.bands = conf->bands;
5953ff6d
AB		 256
257 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
258 if (!ret)
259 sdata->u.nan.conf = new_conf;
260
261 return ret;
262}
263
167e33f4
AB		 264static int ieee80211_add_nan_func(struct wiphy *wiphy,
265 struct wireless_dev *wdev,
266 struct cfg80211_nan_func *nan_func)
267{
268 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
269 int ret;
270
271 if (sdata->vif.type != NL80211_IFTYPE_NAN)
272 return -EOPNOTSUPP;
273
274 if (!ieee80211_sdata_running(sdata))
275 return -ENETDOWN;
276
277 spin_lock_bh(&sdata->u.nan.func_lock);
278
279 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
280 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
281 GFP_ATOMIC);
282 spin_unlock_bh(&sdata->u.nan.func_lock);
283
284 if (ret < 0)
285 return ret;
286
287 nan_func->instance_id = ret;
288
289 WARN_ON(nan_func->instance_id == 0);
290
291 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
292 if (ret) {
293 spin_lock_bh(&sdata->u.nan.func_lock);
294 idr_remove(&sdata->u.nan.function_inst_ids,
295 nan_func->instance_id);
296 spin_unlock_bh(&sdata->u.nan.func_lock);
297 }
298
299 return ret;
300}
301
302static struct cfg80211_nan_func *
303ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
304 u64 cookie)
305{
306 struct cfg80211_nan_func *func;
307 int id;
308
309 lockdep_assert_held(&sdata->u.nan.func_lock);
310
311 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
312 if (func->cookie == cookie)
313 return func;
314 }
315
316 return NULL;
317}
318
319static void ieee80211_del_nan_func(struct wiphy *wiphy,
320 struct wireless_dev *wdev, u64 cookie)
321{
322 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
323 struct cfg80211_nan_func *func;
324 u8 instance_id = 0;
325
326 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
327 !ieee80211_sdata_running(sdata))
328 return;
329
330 spin_lock_bh(&sdata->u.nan.func_lock);
331
332 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
333 if (func)
334 instance_id = func->instance_id;
335
336 spin_unlock_bh(&sdata->u.nan.func_lock);
337
338 if (instance_id)
339 drv_del_nan_func(sdata->local, sdata, instance_id);
340}
341
b53be792
SW		 342static int ieee80211_set_noack_map(struct wiphy *wiphy,
343 struct net_device *dev,
344 u16 noack_map)
345{
346 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
347
348 sdata->noack_map = noack_map;
17c18bf8
JB		 349
350 ieee80211_check_fast_xmit_iface(sdata);
351
b53be792
SW		 352 return 0;
353}
354
e8cbb4cb 355static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 356 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 357 struct key_params *params)
358{
26a58456 359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 360 struct ieee80211_local *local = sdata->local;
e8cbb4cb 361 struct sta_info *sta = NULL;
2475b1cc 362 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 363 struct ieee80211_key *key;
3b96766f 364 int err;
e8cbb4cb 365
26a58456 366 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 367 return -ENETDOWN;
368
97359d12 369 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 370 switch (params->cipher) {
371 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 372 case WLAN_CIPHER_SUITE_TKIP:
97359d12 373 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 374 if (IS_ERR(local->wep_tx_tfm))
97359d12 375 return -EINVAL;
3cfcf6ac 376 break;
2475b1cc 377 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 378 case WLAN_CIPHER_SUITE_CCMP_256:
2475b1cc 379 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 380 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
8ade538b
JM		 381 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
382 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2475b1cc 383 case WLAN_CIPHER_SUITE_GCMP:
00b9cfa3 384 case WLAN_CIPHER_SUITE_GCMP_256:
2475b1cc 385 break;
e8cbb4cb 386 default:
2475b1cc 387 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 388 break;
e8cbb4cb
JB		 389 }
390
97359d12 391 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 392 params->key, params->seq_len, params->seq,
393 cs);
1ac62ba7
BH		 394 if (IS_ERR(key))
395 return PTR_ERR(key);
db4d1169 396
e31b8213
JB		 397 if (pairwise)
398 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
399
2475b1cc 400 mutex_lock(&local->sta_mtx);
3b96766f 401
e8cbb4cb 402 if (mac_addr) {
850092db 403 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 404 /*
405 * The ASSOC test makes sure the driver is ready to
406 * receive the key. When wpa_supplicant has roamed
407 * using FT, it attempts to set the key before
408 * association has completed, this rejects that attempt
d070f913 409 * so it will set the key again after association.
1626e0fa
JB		 410 *
411 * TODO: accept the key if we have a station entry and
412 * add it to the device after the station.
413 */
414 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 415 ieee80211_key_free_unused(key);
3b96766f
JB		 416 err = -ENOENT;
417 goto out_unlock;
db4d1169 418 }
e8cbb4cb
JB		 419 }
420
e548c49e
JB		 421 switch (sdata->vif.type) {
422 case NL80211_IFTYPE_STATION:
423 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
424 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
425 break;
426 case NL80211_IFTYPE_AP:
427 case NL80211_IFTYPE_AP_VLAN:
428 /* Keys without a station are used for TX only */
429 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
430 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
431 break;
432 case NL80211_IFTYPE_ADHOC:
433 /* no MFP (yet) */
434 break;
435 case NL80211_IFTYPE_MESH_POINT:
436#ifdef CONFIG_MAC80211_MESH
437 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
438 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
439 break;
440#endif
441 case NL80211_IFTYPE_WDS:
442 case NL80211_IFTYPE_MONITOR:
443 case NL80211_IFTYPE_P2P_DEVICE:
cb3b7d87 444 case NL80211_IFTYPE_NAN:
e548c49e
JB		 445 case NL80211_IFTYPE_UNSPECIFIED:
446 case NUM_NL80211_IFTYPES:
447 case NL80211_IFTYPE_P2P_CLIENT:
448 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 449 case NL80211_IFTYPE_OCB:
e548c49e
JB		 450 /* shouldn't happen */
451 WARN_ON_ONCE(1);
452 break;
453 }
454
2475b1cc
MS		 455 if (sta)
456 sta->cipher_scheme = cs;
457
3ffc2a90 458 err = ieee80211_key_link(key, sdata, sta);
db4d1169 459
3b96766f 460 out_unlock:
2475b1cc 461 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 462
463 return err;
e8cbb4cb
JB		 464}
465
466static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 467 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 468{
5c0c3641
JB		 469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
470 struct ieee80211_local *local = sdata->local;
e8cbb4cb 471 struct sta_info *sta;
5c0c3641 472 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 473 int ret;
474
5c0c3641
JB		 475 mutex_lock(&local->sta_mtx);
476 mutex_lock(&local->key_mtx);
3b96766f 477
e8cbb4cb 478 if (mac_addr) {
3b96766f
JB		 479 ret = -ENOENT;
480
0e5ded5a 481 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 482 if (!sta)
3b96766f 483 goto out_unlock;
e8cbb4cb 484
5c0c3641 485 if (pairwise)
2475b1cc 486 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 487 else
40b275b6 488 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 489 } else
40b275b6 490 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 491
5c0c3641 492 if (!key) {
3b96766f
JB		 493 ret = -ENOENT;
494 goto out_unlock;
495 }
e8cbb4cb 496
3b8d9c29 497 ieee80211_key_free(key, true);
e8cbb4cb 498
3b96766f
JB		 499 ret = 0;
500 out_unlock:
5c0c3641
JB		 501 mutex_unlock(&local->key_mtx);
502 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 503
504 return ret;
e8cbb4cb
JB		 505}
506
62da92fb 507static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 508 u8 key_idx, bool pairwise, const u8 *mac_addr,
509 void *cookie,
62da92fb
JB		 510 void (*callback)(void *cookie,
511 struct key_params *params))
512{
14db74bc 513 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 514 struct sta_info *sta = NULL;
515 u8 seq[6] = {0};
516 struct key_params params;
e31b8213 517 struct ieee80211_key *key = NULL;
aba83a0b 518 u64 pn64;
62da92fb
JB		 519 u32 iv32;
520 u16 iv16;
521 int err = -ENOENT;
9352c19f 522 struct ieee80211_key_seq kseq = {};
62da92fb 523
14db74bc
JB		 524 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
525
3b96766f
JB		 526 rcu_read_lock();
527
62da92fb 528 if (mac_addr) {
0e5ded5a 529 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 530 if (!sta)
531 goto out;
532
354e159d 533 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 534 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 535 else if (!pairwise &&
536 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 537 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 538 } else
a3836e02 539 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 540
541 if (!key)
542 goto out;
543
544 memset(&params, 0, sizeof(params));
545
97359d12 546 params.cipher = key->conf.cipher;
62da92fb 547
97359d12
JB		 548 switch (key->conf.cipher) {
549 case WLAN_CIPHER_SUITE_TKIP:
f8079d43
EP		 550 pn64 = atomic64_read(&key->conf.tx_pn);
551 iv32 = TKIP_PN_TO_IV32(pn64);
552 iv16 = TKIP_PN_TO_IV16(pn64);
62da92fb 553
9352c19f
JB		 554 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
555 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
556 drv_get_key_seq(sdata->local, key, &kseq);
557 iv32 = kseq.tkip.iv32;
558 iv16 = kseq.tkip.iv16;
559 }
62da92fb
JB		 560
561 seq[0] = iv16 & 0xff;
562 seq[1] = (iv16 >> 8) & 0xff;
563 seq[2] = iv32 & 0xff;
564 seq[3] = (iv32 >> 8) & 0xff;
565 seq[4] = (iv32 >> 16) & 0xff;
566 seq[5] = (iv32 >> 24) & 0xff;
567 params.seq = seq;
568 params.seq_len = 6;
569 break;
97359d12 570 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 571 case WLAN_CIPHER_SUITE_CCMP_256:
97359d12 572 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 573 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
db388a56
JB		 574 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
575 offsetof(typeof(kseq), aes_cmac));
8ade538b
JM		 576 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
577 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
db388a56
JB		 578 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
579 offsetof(typeof(kseq), aes_gmac));
00b9cfa3
JM		 580 case WLAN_CIPHER_SUITE_GCMP:
581 case WLAN_CIPHER_SUITE_GCMP_256:
db388a56
JB		 582 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
583 offsetof(typeof(kseq), gcmp));
584
9352c19f
JB		 585 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
586 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
587 drv_get_key_seq(sdata->local, key, &kseq);
db388a56 588 memcpy(seq, kseq.ccmp.pn, 6);
9352c19f 589 } else {
db388a56 590 pn64 = atomic64_read(&key->conf.tx_pn);
9352c19f
JB		 591 seq[0] = pn64;
592 seq[1] = pn64 >> 8;
593 seq[2] = pn64 >> 16;
594 seq[3] = pn64 >> 24;
595 seq[4] = pn64 >> 32;
596 seq[5] = pn64 >> 40;
597 }
00b9cfa3
JM		 598 params.seq = seq;
599 params.seq_len = 6;
600 break;
a31cf1c6
JB		 601 default:
602 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
603 break;
604 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
605 break;
606 drv_get_key_seq(sdata->local, key, &kseq);
607 params.seq = kseq.hw.seq;
608 params.seq_len = kseq.hw.seq_len;
609 break;
62da92fb
JB		 610 }
611
612 params.key = key->conf.key;
613 params.key_len = key->conf.keylen;
614
615 callback(cookie, &params);
616 err = 0;
617
618 out:
3b96766f 619 rcu_read_unlock();
62da92fb
JB		 620 return err;
621}
622
e8cbb4cb
JB		 623static int ieee80211_config_default_key(struct wiphy *wiphy,
624 struct net_device *dev,
dbd2fd65
JB		 625 u8 key_idx, bool uni,
626 bool multi)
e8cbb4cb 627{
ad0e2b5a 628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 629
f7e0104c 630 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 631
632 return 0;
633}
634
3cfcf6ac
JM		 635static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
636 struct net_device *dev,
637 u8 key_idx)
638{
66c52421 639 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 640
3cfcf6ac
JM		 641 ieee80211_set_default_mgmt_key(sdata, key_idx);
642
3cfcf6ac
JM		 643 return 0;
644}
645
6b62bf32
TP		 646void sta_set_rate_info_tx(struct sta_info *sta,
647 const struct ieee80211_tx_rate *rate,
648 struct rate_info *rinfo)
649{
650 rinfo->flags = 0;
8bc83c24 651 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 652 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 653 rinfo->mcs = rate->idx;
654 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
655 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
656 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
657 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
658 } else {
659 struct ieee80211_supported_band *sband;
2103dec1
SW		 660 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
661 u16 brate;
662
21a8e9dd
MSS		 663 sband = ieee80211_get_sband(sta->sdata);
664 if (sband) {
665 brate = sband->bitrates[rate->idx].bitrate;
666 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
667 }
8bc83c24 668 }
6b62bf32 669 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 670 rinfo->bw = RATE_INFO_BW_40;
671 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
672 rinfo->bw = RATE_INFO_BW_80;
673 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
674 rinfo->bw = RATE_INFO_BW_160;
675 else
676 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 677 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
678 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 679}
680
c5dd9c2b 681static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 682 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 683{
3b53fde8 684 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 685 struct ieee80211_local *local = sdata->local;
c5dd9c2b 686 struct sta_info *sta;
d0709a65
JB		 687 int ret = -ENOENT;
688
66572cfc 689 mutex_lock(&local->sta_mtx);
c5dd9c2b 690
3b53fde8 691 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 692 if (sta) {
693 ret = 0;
17741cdc 694 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 695 sta_set_sinfo(sta, sinfo);
696 }
c5dd9c2b 697
66572cfc 698 mutex_unlock(&local->sta_mtx);
c5dd9c2b 699
d0709a65 700 return ret;
c5dd9c2b
LCC		 701}
702
1289723e
HS		 703static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
704 int idx, struct survey_info *survey)
705{
706 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
707
1289723e
HS		 708 return drv_get_survey(local, idx, survey);
709}
710
7bbdd2d9 711static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 712 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 713{
abe60632 714 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 715 struct ieee80211_local *local = sdata->local;
7bbdd2d9 716 struct sta_info *sta;
d0709a65 717 int ret = -ENOENT;
7bbdd2d9 718
66572cfc 719 mutex_lock(&local->sta_mtx);
7bbdd2d9 720
0e5ded5a 721 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 722 if (sta) {
723 ret = 0;
724 sta_set_sinfo(sta, sinfo);
725 }
726
66572cfc 727 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 728
729 return ret;
7bbdd2d9
JB		 730}
731
55de908a 732static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 733 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 734{
735 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 736 struct ieee80211_sub_if_data *sdata;
737 int ret = 0;
3d9e6e12 738
4bf88530 739 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 740 return 0;
3d9e6e12 741
34a3740d 742 mutex_lock(&local->mtx);
55de908a 743 if (local->use_chanctx) {
4a199068 744 sdata = rtnl_dereference(local->monitor_sdata);
55de908a
JB		 745 if (sdata) {
746 ieee80211_vif_release_channel(sdata);
4bf88530 747 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 748 IEEE80211_CHANCTX_EXCLUSIVE);
749 }
750 } else if (local->open_count == local->monitors) {
675a0b04 751 local->_oper_chandef = *chandef;
55de908a
JB		 752 ieee80211_hw_config(local, 0);
753 }
3d9e6e12 754
4bf88530
JB		 755 if (ret == 0)
756 local->monitor_chandef = *chandef;
34a3740d 757 mutex_unlock(&local->mtx);
3d9e6e12 758
55de908a 759 return ret;
e8c9bd5b
JB		 760}
761
02945821 762static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 763 const u8 *resp, size_t resp_len,
764 const struct ieee80211_csa_settings *csa)
02945821 765{
aa7a0080 766 struct probe_resp *new, *old;
02945821
AN		 767
768 if (!resp || !resp_len)
aba4e6ff 769 return 1;
02945821 770
7ca133bc 771 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 772
aa7a0080 773 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 774 if (!new)
775 return -ENOMEM;
776
aa7a0080
ES		 777 new->len = resp_len;
778 memcpy(new->data, resp, resp_len);
02945821 779
af296bdb
MK		 780 if (csa)
781 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
782 csa->n_counter_offsets_presp *
783 sizeof(new->csa_counter_offsets[0]));
784
02945821 785 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 786 if (old)
787 kfree_rcu(old, rcu_head);
02945821
AN		 788
789 return 0;
790}
791
0ae07968 792static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 793 struct cfg80211_beacon_data *params,
794 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 795{
796 struct beacon_data *new, *old;
797 int new_head_len, new_tail_len;
8860020e
JB		 798 int size, err;
799 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 800
7ca133bc
SW		 801 old = sdata_dereference(sdata->u.ap.beacon, sdata);
802
5dfdaf58 803
5dfdaf58
JB		 804 /* Need to have a beacon head if we don't have one yet */
805 if (!params->head && !old)
8860020e 806 return -EINVAL;
5dfdaf58
JB		 807
808 /* new or old head? */
809 if (params->head)
810 new_head_len = params->head_len;
811 else
812 new_head_len = old->head_len;
813
814 /* new or old tail? */
815 if (params->tail || !old)
816 /* params->tail_len will be zero for !params->tail */
817 new_tail_len = params->tail_len;
818 else
819 new_tail_len = old->tail_len;
820
821 size = sizeof(*new) + new_head_len + new_tail_len;
822
823 new = kzalloc(size, GFP_KERNEL);
824 if (!new)
825 return -ENOMEM;
826
827 /* start filling the new info now */
828
5dfdaf58
JB		 829 /*
830 * pointers go into the block we allocated,
831 * memory is | beacon_data | head | tail |
832 */
833 new->head = ((u8 *) new) + sizeof(*new);
834 new->tail = new->head + new_head_len;
835 new->head_len = new_head_len;
836 new->tail_len = new_tail_len;
837
af296bdb
MK		 838 if (csa) {
839 new->csa_current_counter = csa->count;
840 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
841 csa->n_counter_offsets_beacon *
842 sizeof(new->csa_counter_offsets[0]));
843 }
844
5dfdaf58
JB		 845 /* copy in head */
846 if (params->head)
847 memcpy(new->head, params->head, new_head_len);
848 else
849 memcpy(new->head, old->head, new_head_len);
850
851 /* copy in optional tail */
852 if (params->tail)
853 memcpy(new->tail, params->tail, new_tail_len);
854 else
855 if (old)
856 memcpy(new->tail, old->tail, new_tail_len);
857
02945821 858 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 859 params->probe_resp_len, csa);
8860020e
JB		 860 if (err < 0)
861 return err;
862 if (err == 0)
02945821
AN		 863 changed |= BSS_CHANGED_AP_PROBE_RESP;
864
8860020e
JB		 865 rcu_assign_pointer(sdata->u.ap.beacon, new);
866
867 if (old)
868 kfree_rcu(old, rcu_head);
7827493b 869
8860020e 870 return changed;
5dfdaf58
JB		 871}
872
8860020e
JB		 873static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
874 struct cfg80211_ap_settings *params)
5dfdaf58 875{
8860020e 876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 877 struct ieee80211_local *local = sdata->local;
5dfdaf58 878 struct beacon_data *old;
665c93a9 879 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 880 u32 changed = BSS_CHANGED_BEACON_INT |
881 BSS_CHANGED_BEACON_ENABLED |
882 BSS_CHANGED_BEACON |
339afbf4 883 BSS_CHANGED_SSID |
4bcc56bb
JB		 884 BSS_CHANGED_P2P_PS |
885 BSS_CHANGED_TXPOWER;
8860020e 886 int err;
14db74bc 887
7ca133bc 888 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 889 if (old)
890 return -EALREADY;
891
f6993174
EP		 892 switch (params->smps_mode) {
893 case NL80211_SMPS_OFF:
894 sdata->smps_mode = IEEE80211_SMPS_OFF;
895 break;
896 case NL80211_SMPS_STATIC:
897 sdata->smps_mode = IEEE80211_SMPS_STATIC;
898 break;
899 case NL80211_SMPS_DYNAMIC:
900 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
901 break;
902 default:
903 return -EINVAL;
904 }
04ecd257
JB		 905 sdata->needed_rx_chains = sdata->local->rx_chains;
906
ac668afe
JB		 907 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
908
34a3740d 909 mutex_lock(&local->mtx);
4bf88530 910 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 911 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 912 if (!err)
913 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 914 mutex_unlock(&local->mtx);
aa430da4
JB		 915 if (err)
916 return err;
917
665c93a9
JB		 918 /*
919 * Apply control port protocol, this allows us to
920 * not encrypt dynamic WEP control frames.
921 */
922 sdata->control_port_protocol = params->crypto.control_port_ethertype;
923 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 924 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
925 &params->crypto,
926 sdata->vif.type);
927
665c93a9
JB		 928 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
929 vlan->control_port_protocol =
930 params->crypto.control_port_ethertype;
931 vlan->control_port_no_encrypt =
932 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 933 vlan->encrypt_headroom =
934 ieee80211_cs_headroom(sdata->local,
935 &params->crypto,
936 vlan->vif.type);
665c93a9
JB		 937 }
938
8860020e 939 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 940 sdata->vif.bss_conf.enable_beacon = true;
52cfa1d6 941 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
8860020e
JB		 942
943 sdata->vif.bss_conf.ssid_len = params->ssid_len;
944 if (params->ssid_len)
945 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
946 params->ssid_len);
947 sdata->vif.bss_conf.hidden_ssid =
948 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
949
67baf663
JD		 950 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
951 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
952 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
953 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
954 if (params->p2p_opp_ps)
955 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
956 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 957
af296bdb 958 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 959 if (err < 0) {
960 ieee80211_vif_release_channel(sdata);
8860020e 961 return err;
0297ea17 962 }
8860020e
JB		 963 changed |= err;
964
1041638f
JB		 965 err = drv_start_ap(sdata->local, sdata);
966 if (err) {
7ca133bc
SW		 967 old = sdata_dereference(sdata->u.ap.beacon, sdata);
968
1041638f
JB		 969 if (old)
970 kfree_rcu(old, rcu_head);
971 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 972 ieee80211_vif_release_channel(sdata);
1041638f
JB		 973 return err;
974 }
975
057d5f4b 976 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 977 ieee80211_bss_info_change_notify(sdata, changed);
978
3edaf3e6
JB		 979 netif_carrier_on(dev);
980 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
981 netif_carrier_on(vlan->dev);
982
665c93a9 983 return 0;
5dfdaf58
JB		 984}
985
8860020e
JB		 986static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
987 struct cfg80211_beacon_data *params)
5dfdaf58 988{
14db74bc 989 struct ieee80211_sub_if_data *sdata;
5dfdaf58 990 struct beacon_data *old;
8860020e 991 int err;
5dfdaf58 992
14db74bc 993 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 994 sdata_assert_lock(sdata);
14db74bc 995
73da7d5b
SW		 996 /* don't allow changing the beacon while CSA is in place - offset
997 * of channel switch counter may change
998 */
999 if (sdata->vif.csa_active)
1000 return -EBUSY;
1001
7ca133bc 1002 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1003 if (!old)
1004 return -ENOENT;
1005
af296bdb 1006 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 1007 if (err < 0)
1008 return err;
1009 ieee80211_bss_info_change_notify(sdata, err);
1010 return 0;
5dfdaf58
JB		 1011}
1012
8860020e 1013static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1014{
7b20b8e8
JB		 1015 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1016 struct ieee80211_sub_if_data *vlan;
1017 struct ieee80211_local *local = sdata->local;
1018 struct beacon_data *old_beacon;
1019 struct probe_resp *old_probe_resp;
d2859df5 1020 struct cfg80211_chan_def chandef;
14db74bc 1021
dbd72850
MK		 1022 sdata_assert_lock(sdata);
1023
7ca133bc 1024 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1025 if (!old_beacon)
5dfdaf58 1026 return -ENOENT;
7ca133bc 1027 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1028
73da7d5b 1029 /* abort any running channel switch */
59af6928 1030 mutex_lock(&local->mtx);
73da7d5b 1031 sdata->vif.csa_active = false;
a46992b4
LC		 1032 if (sdata->csa_block_tx) {
1033 ieee80211_wake_vif_queues(local, sdata,
1034 IEEE80211_QUEUE_STOP_REASON_CSA);
1035 sdata->csa_block_tx = false;
1036 }
1037
59af6928
MK		 1038 mutex_unlock(&local->mtx);
1039
1f3b8a2b
SW		 1040 kfree(sdata->u.ap.next_beacon);
1041 sdata->u.ap.next_beacon = NULL;
1042
7b20b8e8 1043 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1044 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1045 netif_carrier_off(vlan->dev);
1046 netif_carrier_off(dev);
1047
7b20b8e8 1048 /* remove beacon and probe response */
a9b3cd7f 1049 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1050 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1051 kfree_rcu(old_beacon, rcu_head);
1052 if (old_probe_resp)
1053 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 1054 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 1055
e716251d 1056 __sta_info_flush(sdata, true);
7907c7d3 1057 ieee80211_free_keys(sdata, true);
75de9113 1058
d6a83228 1059 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1060 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1061 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1062 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1063
a6b368f6 1064 if (sdata->wdev.cac_started) {
d2859df5 1065 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1066 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1067 cfg80211_cac_event(sdata->dev, &chandef,
1068 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1069 GFP_KERNEL);
1070 }
1071
1041638f
JB		 1072 drv_stop_ap(sdata->local, sdata);
1073
7b20b8e8
JB		 1074 /* free all potentially still buffered bcast frames */
1075 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
6b07d9ca 1076 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
7b20b8e8 1077
34a3740d 1078 mutex_lock(&local->mtx);
4e141dad 1079 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 1080 ieee80211_vif_release_channel(sdata);
34a3740d 1081 mutex_unlock(&local->mtx);
55de908a 1082
2d0ddec5 1083 return 0;
5dfdaf58
JB		 1084}
1085
4fd6931e
JB		 1086/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1087struct iapp_layer2_update {
1088 u8 da[ETH_ALEN]; /* broadcast */
1089 u8 sa[ETH_ALEN]; /* STA addr */
1090 __be16 len; /* 6 */
1091 u8 dsap; /* 0 */
1092 u8 ssap; /* 0 */
1093 u8 control;
1094 u8 xid_info[3];
bc10502d 1095} __packed;
4fd6931e
JB		 1096
1097static void ieee80211_send_layer2_update(struct sta_info *sta)
1098{
1099 struct iapp_layer2_update *msg;
1100 struct sk_buff *skb;
1101
1102 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1103 * bridge devices */
1104
1105 skb = dev_alloc_skb(sizeof(*msg));
1106 if (!skb)
1107 return;
1108 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1109
1110 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1111 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1112
e83e6541 1113 eth_broadcast_addr(msg->da);
17741cdc 1114 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1115 msg->len = htons(6);
1116 msg->dsap = 0;
1117 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1118 msg->control = 0xaf; /* XID response lsb.1111F101.
1119 * F=0 (no poll command; unsolicited frame) */
1120 msg->xid_info[0] = 0x81; /* XID format identifier */
1121 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1122 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1123
d0709a65
JB		 1124 skb->dev = sta->sdata->dev;
1125 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1126 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1127 netif_rx_ni(skb);
4fd6931e
JB		 1128}
1129
d582cffb
JB		 1130static int sta_apply_auth_flags(struct ieee80211_local *local,
1131 struct sta_info *sta,
1132 u32 mask, u32 set)
1133{
1134 int ret;
1135
1136 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1137 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1138 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1139 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1140 if (ret)
1141 return ret;
1142 }
1143
1144 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1145 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1146 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1147 /*
1148 * When peer becomes associated, init rate control as
1149 * well. Some drivers require rate control initialized
1150 * before drv_sta_state() is called.
1151 */
44674d9c 1152 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
c23e31cf
MP		 1153 rate_control_rate_init(sta);
1154
d582cffb
JB		 1155 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1156 if (ret)
1157 return ret;
1158 }
1159
1160 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1161 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1162 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1163 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1164 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1165 else
1166 ret = 0;
1167 if (ret)
1168 return ret;
1169 }
1170
1171 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1172 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1173 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1174 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1175 if (ret)
1176 return ret;
1177 }
1178
1179 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1180 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1181 test_sta_flag(sta, WLAN_STA_AUTH)) {
1182 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1183 if (ret)
1184 return ret;
1185 }
1186
1187 return 0;
1188}
1189
13657702
JB		 1190static void sta_apply_mesh_params(struct ieee80211_local *local,
1191 struct sta_info *sta,
1192 struct station_parameters *params)
1193{
1194#ifdef CONFIG_MAC80211_MESH
1195 struct ieee80211_sub_if_data *sdata = sta->sdata;
1196 u32 changed = 0;
1197
1198 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1199 switch (params->plink_state) {
1200 case NL80211_PLINK_ESTAB:
1201 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1202 changed = mesh_plink_inc_estab_count(sdata);
1203 sta->mesh->plink_state = params->plink_state;
7d27a0ba 1204 sta->mesh->aid = params->peer_aid;
13657702
JB		 1205
1206 ieee80211_mps_sta_status_update(sta);
1207 changed |= ieee80211_mps_set_sta_local_pm(sta,
1208 sdata->u.mesh.mshcfg.power_mode);
1209 break;
1210 case NL80211_PLINK_LISTEN:
1211 case NL80211_PLINK_BLOCKED:
1212 case NL80211_PLINK_OPN_SNT:
1213 case NL80211_PLINK_OPN_RCVD:
1214 case NL80211_PLINK_CNF_RCVD:
1215 case NL80211_PLINK_HOLDING:
1216 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1217 changed = mesh_plink_dec_estab_count(sdata);
1218 sta->mesh->plink_state = params->plink_state;
1219
1220 ieee80211_mps_sta_status_update(sta);
1221 changed |= ieee80211_mps_set_sta_local_pm(sta,
1222 NL80211_MESH_POWER_UNKNOWN);
1223 break;
1224 default:
1225 /* nothing */
1226 break;
1227 }
1228 }
1229
1230 switch (params->plink_action) {
1231 case NL80211_PLINK_ACTION_NO_ACTION:
1232 /* nothing */
1233 break;
1234 case NL80211_PLINK_ACTION_OPEN:
1235 changed |= mesh_plink_open(sta);
1236 break;
1237 case NL80211_PLINK_ACTION_BLOCK:
1238 changed |= mesh_plink_block(sta);
1239 break;
1240 }
1241
1242 if (params->local_pm)
1243 changed |= ieee80211_mps_set_sta_local_pm(sta,
1244 params->local_pm);
1245
1246 ieee80211_mbss_info_change_notify(sdata, changed);
1247#endif
1248}
1249
d9a7ddb0
JB		 1250static int sta_apply_parameters(struct ieee80211_local *local,
1251 struct sta_info *sta,
1252 struct station_parameters *params)
4fd6931e 1253{
d9a7ddb0 1254 int ret = 0;
8318d78a 1255 struct ieee80211_supported_band *sband;
d0709a65 1256 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 1257 u32 mask, set;
4fd6931e 1258
21a8e9dd
MSS		 1259 sband = ieee80211_get_sband(sdata);
1260 if (!sband)
1261 return -EINVAL;
ae5eb026 1262
eccb8e8f
JB		 1263 mask = params->sta_flags_mask;
1264 set = params->sta_flags_set;
73651ee6 1265
d582cffb
JB		 1266 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1267 /*
1268 * In mesh mode, ASSOCIATED isn't part of the nl80211
1269 * API but must follow AUTHENTICATED for driver state.
1270 */
1271 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1272 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1273 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1274 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1275 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1276 /*
1277 * TDLS -- everything follows authorized, but
1278 * only becoming authorized is possible, not
1279 * going back
1280 */
1281 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1282 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1283 BIT(NL80211_STA_FLAG_ASSOCIATED);
1284 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1285 BIT(NL80211_STA_FLAG_ASSOCIATED);
1286 }
eccb8e8f 1287 }
4fd6931e 1288
2c44be81
JB		 1289 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1290 local->hw.queues >= IEEE80211_NUM_ACS)
1291 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1292
44674d9c
AB		 1293 /* auth flags will be set later for TDLS,
1294 * and for unassociated stations that move to assocaited */
1295 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1296 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1297 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
68885a54
AN		 1298 ret = sta_apply_auth_flags(local, sta, mask, set);
1299 if (ret)
1300 return ret;
1301 }
d9a7ddb0 1302
eccb8e8f 1303 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1304 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1305 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1306 else
1307 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1308 }
4fd6931e 1309
eccb8e8f 1310 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
93f0490e 1311 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1312 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1313 set_sta_flag(sta, WLAN_STA_MFP);
1314 else
1315 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1316 }
b39c48fa 1317
07ba55d7 1318 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1319 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1320 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1321 else
1322 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1323 }
4fd6931e 1324
9041c1fa
AN		 1325 /* mark TDLS channel switch support, if the AP allows it */
1326 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1327 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1328 params->ext_capab_len >= 4 &&
1329 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1330 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1331
b98fb44f 1332 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
82c0cc90 1333 !sdata->u.mgd.tdls_wider_bw_prohibited &&
b98fb44f
AN		 1334 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1335 params->ext_capab_len >= 8 &&
1336 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1337 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1338
3b9ce80c
JB		 1339 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1340 sta->sta.uapsd_queues = params->uapsd_queues;
1341 sta->sta.max_sp = params->max_sp;
1342 }
9533b4ac 1343
506bcfa8
EG		 1344 /* The sender might not have sent the last bit, consider it to be 0 */
1345 if (params->ext_capab_len >= 8) {
1346 u8 val = (params->ext_capab[7] &
1347 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1348
1349 /* we did get all the bits, take the MSB as well */
1350 if (params->ext_capab_len >= 9) {
1351 u8 val_msb = params->ext_capab[8] &
1352 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1353 val_msb <<= 1;
1354 val |= val_msb;
1355 }
1356
1357 switch (val) {
1358 case 1:
1359 sta->sta.max_amsdu_subframes = 32;
1360 break;
1361 case 2:
1362 sta->sta.max_amsdu_subframes = 16;
1363 break;
1364 case 3:
1365 sta->sta.max_amsdu_subframes = 8;
1366 break;
1367 default:
1368 sta->sta.max_amsdu_subframes = 0;
1369 }
1370 }
1371
51b50fbe
JB		 1372 /*
1373 * cfg80211 validates this (1-2007) and allows setting the AID
1374 * only when creating a new station entry
1375 */
1376 if (params->aid)
1377 sta->sta.aid = params->aid;
1378
73651ee6 1379 /*
ba23d206
JB		 1380 * Some of the following updates would be racy if called on an
1381 * existing station, via ieee80211_change_station(). However,
1382 * all such changes are rejected by cfg80211 except for updates
1383 * changing the supported rates on an existing but not yet used
1384 * TDLS peer.
73651ee6
JB		 1385 */
1386
4fd6931e
JB		 1387 if (params->listen_interval >= 0)
1388 sta->listen_interval = params->listen_interval;
1389
1390 if (params->supported_rates) {
2103dec1
SW		 1391 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1392 sband, params->supported_rates,
1393 params->supported_rates_len,
21a8e9dd 1394 &sta->sta.supp_rates[sband->band]);
4fd6931e 1395 }
c5dd9c2b 1396
d9fe60de 1397 if (params->ht_capa)
ef96a842 1398 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1399 params->ht_capa, sta);
36aedc90 1400
506bcfa8 1401 /* VHT can override some HT caps such as the A-MSDU max length */
f461be3e
MP		 1402 if (params->vht_capa)
1403 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1404 params->vht_capa, sta);
f461be3e 1405
b1bce14a 1406 if (params->opmode_notif_used) {
b1bce14a
MK		 1407 /* returned value is only needed for rc update, but the
1408 * rc isn't initialized here yet, so ignore it
1409 */
21a8e9dd
MSS		 1410 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1411 sband->band);
b1bce14a
MK		 1412 }
1413
52cfa1d6
AB		 1414 if (params->support_p2p_ps >= 0)
1415 sta->sta.support_p2p_ps = params->support_p2p_ps;
1416
13657702
JB		 1417 if (ieee80211_vif_is_mesh(&sdata->vif))
1418 sta_apply_mesh_params(local, sta, params);
d9a7ddb0 1419
68885a54 1420 /* set the STA state after all sta info from usermode has been set */
44674d9c
AB		 1421 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1422 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
68885a54
AN		 1423 ret = sta_apply_auth_flags(local, sta, mask, set);
1424 if (ret)
1425 return ret;
1426 }
1427
d9a7ddb0 1428 return 0;
4fd6931e
JB		 1429}
1430
1431static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1432 const u8 *mac,
1433 struct station_parameters *params)
4fd6931e 1434{
14db74bc 1435 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1436 struct sta_info *sta;
1437 struct ieee80211_sub_if_data *sdata;
73651ee6 1438 int err;
b8d476c8 1439 int layer2_update;
4fd6931e 1440
4fd6931e
JB		 1441 if (params->vlan) {
1442 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1443
05c914fe
JB		 1444 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1445 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1446 return -EINVAL;
1447 } else
1448 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1449
b203ca39 1450 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1451 return -EINVAL;
1452
1453 if (is_multicast_ether_addr(mac))
1454 return -EINVAL;
1455
1456 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1457 if (!sta)
1458 return -ENOMEM;
4fd6931e 1459
44674d9c
AB		 1460 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1461 sta->sta.tdls = true;
4fd6931e 1462
d9a7ddb0
JB		 1463 err = sta_apply_parameters(local, sta, params);
1464 if (err) {
1465 sta_info_free(local, sta);
1466 return err;
1467 }
4fd6931e 1468
d64cf63e 1469 /*
44674d9c
AB		 1470 * for TDLS and for unassociated station, rate control should be
1471 * initialized only when rates are known and station is marked
1472 * authorized/associated
d64cf63e 1473 */
44674d9c
AB		 1474 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1475 test_sta_flag(sta, WLAN_STA_ASSOC))
d64cf63e 1476 rate_control_rate_init(sta);
4fd6931e 1477
b8d476c8
JM		 1478 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1479 sdata->vif.type == NL80211_IFTYPE_AP;
1480
34e89507 1481 err = sta_info_insert_rcu(sta);
73651ee6 1482 if (err) {
73651ee6
JB		 1483 rcu_read_unlock();
1484 return err;
1485 }
1486
b8d476c8 1487 if (layer2_update)
73651ee6
JB		 1488 ieee80211_send_layer2_update(sta);
1489
1490 rcu_read_unlock();
1491
4fd6931e
JB		 1492 return 0;
1493}
1494
1495static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1496 struct station_del_parameters *params)
4fd6931e 1497{
14db74bc 1498 struct ieee80211_sub_if_data *sdata;
4fd6931e 1499
14db74bc
JB		 1500 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1501
89c771e5
JM		 1502 if (params->mac)
1503 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1504
b998e8bb 1505 sta_info_flush(sdata);
4fd6931e
JB		 1506 return 0;
1507}
1508
1509static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1510 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1511 struct station_parameters *params)
1512{
abe60632 1513 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1514 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1515 struct sta_info *sta;
1516 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1517 enum cfg80211_station_type statype;
35b88623 1518 int err;
4fd6931e 1519
87be1e1e 1520 mutex_lock(&local->sta_mtx);
98dd6a57 1521
0e5ded5a 1522 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1523 if (!sta) {
77ee7c89
JB		 1524 err = -ENOENT;
1525 goto out_err;
98dd6a57 1526 }
4fd6931e 1527
77ee7c89
JB		 1528 switch (sdata->vif.type) {
1529 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1530 if (sdata->u.mesh.user_mpm)
eef941e6 1531 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1532 else
eef941e6 1533 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1534 break;
1535 case NL80211_IFTYPE_ADHOC:
1536 statype = CFG80211_STA_IBSS;
1537 break;
1538 case NL80211_IFTYPE_STATION:
1539 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1540 statype = CFG80211_STA_AP_STA;
1541 break;
1542 }
1543 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1544 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1545 else
1546 statype = CFG80211_STA_TDLS_PEER_SETUP;
1547 break;
1548 case NL80211_IFTYPE_AP:
1549 case NL80211_IFTYPE_AP_VLAN:
44674d9c
AB		 1550 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1551 statype = CFG80211_STA_AP_CLIENT;
1552 else
1553 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
77ee7c89
JB		 1554 break;
1555 default:
1556 err = -EOPNOTSUPP;
1557 goto out_err;
bdd90d5e
JB		 1558 }
1559
77ee7c89
JB		 1560 err = cfg80211_check_station_change(wiphy, params, statype);
1561 if (err)
1562 goto out_err;
1563
d0709a65 1564 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 1565 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1566
9bc383de 1567 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1568 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1569 err = -EBUSY;
1570 goto out_err;
3305443c 1571 }
f14543ee 1572
cf778b00 1573 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
49ddf8e6 1574 __ieee80211_check_fast_rx_iface(vlansdata);
7e3ed02c
FF		 1575 }
1576
1577 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
72f15d53 1578 sta->sdata->u.vlan.sta)
0c2bef46 1579 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
72f15d53
MB		 1580
1581 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1582 ieee80211_vif_dec_num_mcast(sta->sdata);
f14543ee 1583
14db74bc 1584 sta->sdata = vlansdata;
464daaf0 1585 ieee80211_check_fast_xmit(sta);
7e3ed02c 1586
72f15d53
MB		 1587 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1588 ieee80211_vif_inc_num_mcast(sta->sdata);
7e3ed02c 1589
4fd6931e
JB		 1590 ieee80211_send_layer2_update(sta);
1591 }
1592
35b88623 1593 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1594 if (err)
1595 goto out_err;
4fd6931e 1596
87be1e1e 1597 mutex_unlock(&local->sta_mtx);
98dd6a57 1598
687da132
EG		 1599 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1600 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1601 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1602 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1603 sta_info_tx_streams(sta) != 1) {
1604 ht_dbg(sta->sdata,
1605 "%pM just authorized and MIMO capable - update SMPS\n",
1606 sta->sta.addr);
1607 ieee80211_send_smps_action(sta->sdata,
1608 sta->sdata->bss->req_smps,
1609 sta->sta.addr,
1610 sta->sdata->vif.bss_conf.bssid);
1611 }
1612
808118cb 1613 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1614 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4a733ef1 1615 ieee80211_recalc_ps(local);
ab095877
EP		 1616 ieee80211_recalc_ps_vif(sdata);
1617 }
77ee7c89 1618
4fd6931e 1619 return 0;
77ee7c89
JB		 1620out_err:
1621 mutex_unlock(&local->sta_mtx);
1622 return err;
4fd6931e
JB		 1623}
1624
c5dd9c2b
LCC		 1625#ifdef CONFIG_MAC80211_MESH
1626static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1627 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1628{
14db74bc 1629 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1630 struct mesh_path *mpath;
1631 struct sta_info *sta;
c5dd9c2b 1632
14db74bc
JB		 1633 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1634
d0709a65 1635 rcu_read_lock();
abe60632 1636 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1637 if (!sta) {
1638 rcu_read_unlock();
c5dd9c2b 1639 return -ENOENT;
d0709a65 1640 }
c5dd9c2b 1641
ae76eef0
BC		 1642 mpath = mesh_path_add(sdata, dst);
1643 if (IS_ERR(mpath)) {
d0709a65 1644 rcu_read_unlock();
ae76eef0 1645 return PTR_ERR(mpath);
d0709a65 1646 }
c5dd9c2b 1647
c5dd9c2b 1648 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1649
c5dd9c2b
LCC		 1650 rcu_read_unlock();
1651 return 0;
1652}
1653
1654static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1655 const u8 *dst)
c5dd9c2b 1656{
f698d856
JBG		 1657 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1658
c5dd9c2b 1659 if (dst)
bf7cd94d 1660 return mesh_path_del(sdata, dst);
c5dd9c2b 1661
ece1a2e7 1662 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1663 return 0;
1664}
1665
3b3a0162
JB		 1666static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1667 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1668{
14db74bc 1669 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1670 struct mesh_path *mpath;
1671 struct sta_info *sta;
1672
14db74bc
JB		 1673 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1674
d0709a65
JB		 1675 rcu_read_lock();
1676
abe60632 1677 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1678 if (!sta) {
1679 rcu_read_unlock();
c5dd9c2b 1680 return -ENOENT;
d0709a65 1681 }
c5dd9c2b 1682
bf7cd94d 1683 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1684 if (!mpath) {
1685 rcu_read_unlock();
c5dd9c2b
LCC		 1686 return -ENOENT;
1687 }
1688
1689 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1690
c5dd9c2b
LCC		 1691 rcu_read_unlock();
1692 return 0;
1693}
1694
1695static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1696 struct mpath_info *pinfo)
1697{
a3836e02
JB		 1698 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1699
1700 if (next_hop_sta)
1701 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1702 else
c84a67a2 1703 eth_zero_addr(next_hop);
c5dd9c2b 1704
7ce8c7a3
LAYS		 1705 memset(pinfo, 0, sizeof(*pinfo));
1706
2bdaf386 1707 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
f5ea9120 1708
c5dd9c2b 1709 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1710 MPATH_INFO_SN |
c5dd9c2b
LCC		 1711 MPATH_INFO_METRIC |
1712 MPATH_INFO_EXPTIME |
1713 MPATH_INFO_DISCOVERY_TIMEOUT |
1714 MPATH_INFO_DISCOVERY_RETRIES |
1715 MPATH_INFO_FLAGS;
1716
1717 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1718 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1719 pinfo->metric = mpath->metric;
1720 if (time_before(jiffies, mpath->exp_time))
1721 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1722 pinfo->discovery_timeout =
1723 jiffies_to_msecs(mpath->discovery_timeout);
1724 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1725 if (mpath->flags & MESH_PATH_ACTIVE)
1726 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1727 if (mpath->flags & MESH_PATH_RESOLVING)
1728 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1729 if (mpath->flags & MESH_PATH_SN_VALID)
1730 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1731 if (mpath->flags & MESH_PATH_FIXED)
1732 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1733 if (mpath->flags & MESH_PATH_RESOLVED)
1734 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1735}
1736
1737static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1738 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1739
1740{
14db74bc 1741 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1742 struct mesh_path *mpath;
1743
14db74bc
JB		 1744 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1745
c5dd9c2b 1746 rcu_read_lock();
bf7cd94d 1747 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1748 if (!mpath) {
1749 rcu_read_unlock();
1750 return -ENOENT;
1751 }
1752 memcpy(dst, mpath->dst, ETH_ALEN);
1753 mpath_set_pinfo(mpath, next_hop, pinfo);
1754 rcu_read_unlock();
1755 return 0;
1756}
1757
1758static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1759 int idx, u8 *dst, u8 *next_hop,
1760 struct mpath_info *pinfo)
c5dd9c2b 1761{
14db74bc 1762 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1763 struct mesh_path *mpath;
1764
14db74bc
JB		 1765 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1766
c5dd9c2b 1767 rcu_read_lock();
bf7cd94d 1768 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1769 if (!mpath) {
1770 rcu_read_unlock();
1771 return -ENOENT;
1772 }
1773 memcpy(dst, mpath->dst, ETH_ALEN);
1774 mpath_set_pinfo(mpath, next_hop, pinfo);
1775 rcu_read_unlock();
1776 return 0;
1777}
93da9cc1 1778
a2db2ed3
HR		 1779static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1780 struct mpath_info *pinfo)
1781{
1782 memset(pinfo, 0, sizeof(*pinfo));
1783 memcpy(mpp, mpath->mpp, ETH_ALEN);
1784
2bdaf386 1785 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
a2db2ed3
HR		 1786}
1787
1788static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1789 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1790
1791{
1792 struct ieee80211_sub_if_data *sdata;
1793 struct mesh_path *mpath;
1794
1795 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1796
1797 rcu_read_lock();
1798 mpath = mpp_path_lookup(sdata, dst);
1799 if (!mpath) {
1800 rcu_read_unlock();
1801 return -ENOENT;
1802 }
1803 memcpy(dst, mpath->dst, ETH_ALEN);
1804 mpp_set_pinfo(mpath, mpp, pinfo);
1805 rcu_read_unlock();
1806 return 0;
1807}
1808
1809static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1810 int idx, u8 *dst, u8 *mpp,
1811 struct mpath_info *pinfo)
1812{
1813 struct ieee80211_sub_if_data *sdata;
1814 struct mesh_path *mpath;
1815
1816 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1817
1818 rcu_read_lock();
1819 mpath = mpp_path_lookup_by_idx(sdata, idx);
1820 if (!mpath) {
1821 rcu_read_unlock();
1822 return -ENOENT;
1823 }
1824 memcpy(dst, mpath->dst, ETH_ALEN);
1825 mpp_set_pinfo(mpath, mpp, pinfo);
1826 rcu_read_unlock();
1827 return 0;
1828}
1829
24bdd9f4 1830static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1831 struct net_device *dev,
1832 struct mesh_config *conf)
1833{
1834 struct ieee80211_sub_if_data *sdata;
1835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1836
93da9cc1 1837 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1838 return 0;
1839}
1840
1841static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1842{
1843 return (mask >> (parm-1)) & 0x1;
1844}
1845
c80d545d
JC		 1846static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1847 const struct mesh_setup *setup)
1848{
1849 u8 *new_ie;
1850 const u8 *old_ie;
4bb62344
CYY		 1851 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1852 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1853
581a8b0f 1854 /* allocate information elements */
c80d545d 1855 new_ie = NULL;
581a8b0f 1856 old_ie = ifmsh->ie;
c80d545d 1857
581a8b0f
JC		 1858 if (setup->ie_len) {
1859 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1860 GFP_KERNEL);
1861 if (!new_ie)
1862 return -ENOMEM;
1863 }
581a8b0f
JC		 1864 ifmsh->ie_len = setup->ie_len;
1865 ifmsh->ie = new_ie;
1866 kfree(old_ie);
c80d545d
JC		 1867
1868 /* now copy the rest of the setup parameters */
1869 ifmsh->mesh_id_len = setup->mesh_id_len;
1870 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1871 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1872 ifmsh->mesh_pp_id = setup->path_sel_proto;
1873 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1874 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1875 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1876 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1877 if (setup->is_authenticated)
1878 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1879 if (setup->is_secure)
1880 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1881
4bb62344
CYY		 1882 /* mcast rate setting in Mesh Node */
1883 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1884 sizeof(setup->mcast_rate));
ffb3cf30 1885 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1886
9bdbf04d
MP		 1887 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1888 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1889
c80d545d
JC		 1890 return 0;
1891}
1892
24bdd9f4 1893static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1894 struct net_device *dev, u32 mask,
1895 const struct mesh_config *nconf)
93da9cc1 1896{
1897 struct mesh_config *conf;
1898 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1899 struct ieee80211_if_mesh *ifmsh;
1900
93da9cc1 1901 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1902 ifmsh = &sdata->u.mesh;
93da9cc1 1903
93da9cc1 1904 /* Set the config options which we are interested in setting */
1905 conf = &(sdata->u.mesh.mshcfg);
1906 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1907 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1908 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1909 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1910 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1911 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1912 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1913 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1914 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1915 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1916 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1917 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1918 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1919 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1920 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1921 if (ifmsh->user_mpm)
1922 return -EBUSY;
93da9cc1 1923 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1924 }
d299a1f2
JC		 1925 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1926 conf->dot11MeshNbrOffsetMaxNeighbor =
1927 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1928 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1929 conf->dot11MeshHWMPmaxPREQretries =
1930 nconf->dot11MeshHWMPmaxPREQretries;
1931 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1932 conf->path_refresh_time = nconf->path_refresh_time;
1933 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1934 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1935 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1936 conf->dot11MeshHWMPactivePathTimeout =
1937 nconf->dot11MeshHWMPactivePathTimeout;
1938 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1939 conf->dot11MeshHWMPpreqMinInterval =
1940 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1941 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1942 conf->dot11MeshHWMPperrMinInterval =
1943 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1944 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1945 mask))
1946 conf->dot11MeshHWMPnetDiameterTraversalTime =
1947 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1948 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1949 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1950 ieee80211_mesh_root_setup(ifmsh);
1951 }
16dd7267 1952 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1953 /* our current gate announcement implementation rides on root
1954 * announcements, so require this ifmsh to also be a root node
1955 * */
1956 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1957 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1958 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1959 ieee80211_mesh_root_setup(ifmsh);
1960 }
16dd7267
JC		 1961 conf->dot11MeshGateAnnouncementProtocol =
1962 nconf->dot11MeshGateAnnouncementProtocol;
1963 }
a4f606ea 1964 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1965 conf->dot11MeshHWMPRannInterval =
1966 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1967 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1968 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1969 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1970 /* our RSSI threshold implementation is supported only for
1971 * devices that report signal in dBm.
1972 */
30686bf7 1973 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
55335137
AN		 1974 return -ENOTSUPP;
1975 conf->rssi_threshold = nconf->rssi_threshold;
1976 }
70c33eaa
AN		 1977 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1978 conf->ht_opmode = nconf->ht_opmode;
1979 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1980 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1981 }
ac1073a6
CYY		 1982 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1983 conf->dot11MeshHWMPactivePathToRootTimeout =
1984 nconf->dot11MeshHWMPactivePathToRootTimeout;
1985 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1986 conf->dot11MeshHWMProotInterval =
1987 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1988 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1989 conf->dot11MeshHWMPconfirmationInterval =
1990 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1991 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1992 conf->power_mode = nconf->power_mode;
1993 ieee80211_mps_local_status_update(sdata);
1994 }
2b5e1967 1995 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1996 conf->dot11MeshAwakeWindowDuration =
1997 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1998 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1999 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 2000 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 2001 return 0;
2002}
2003
29cbe68c
JB		 2004static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2005 const struct mesh_config *conf,
2006 const struct mesh_setup *setup)
2007{
2008 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2009 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 2010 int err;
29cbe68c 2011
c80d545d
JC		 2012 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2013 err = copy_mesh_setup(ifmsh, setup);
2014 if (err)
2015 return err;
cc1d2806 2016
04ecd257
JB		 2017 /* can mesh use other SMPS modes? */
2018 sdata->smps_mode = IEEE80211_SMPS_OFF;
2019 sdata->needed_rx_chains = sdata->local->rx_chains;
2020
34a3740d 2021 mutex_lock(&sdata->local->mtx);
4bf88530 2022 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 2023 IEEE80211_CHANCTX_SHARED);
34a3740d 2024 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 2025 if (err)
2026 return err;
2027
2b5e1967 2028 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 2029}
2030
2031static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2032{
2033 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2034
2035 ieee80211_stop_mesh(sdata);
34a3740d 2036 mutex_lock(&sdata->local->mtx);
55de908a 2037 ieee80211_vif_release_channel(sdata);
34a3740d 2038 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 2039
2040 return 0;
2041}
c5dd9c2b
LCC		 2042#endif
2043
9f1ba906
JM		 2044static int ieee80211_change_bss(struct wiphy *wiphy,
2045 struct net_device *dev,
2046 struct bss_parameters *params)
2047{
55de908a 2048 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21a8e9dd 2049 struct ieee80211_supported_band *sband;
9f1ba906
JM		 2050 u32 changed = 0;
2051
7ca133bc 2052 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 2053 return -ENOENT;
2054
21a8e9dd
MSS		 2055 sband = ieee80211_get_sband(sdata);
2056 if (!sband)
2057 return -EINVAL;
9f1ba906 2058
9f1ba906 2059 if (params->use_cts_prot >= 0) {
bda3933a 2060 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 2061 changed |= BSS_CHANGED_ERP_CTS_PROT;
2062 }
2063 if (params->use_short_preamble >= 0) {
bda3933a 2064 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 2065 params->use_short_preamble;
2066 changed |= BSS_CHANGED_ERP_PREAMBLE;
2067 }
43d35343
FF		 2068
2069 if (!sdata->vif.bss_conf.use_short_slot &&
21a8e9dd 2070 sband->band == NL80211_BAND_5GHZ) {
43d35343
FF		 2071 sdata->vif.bss_conf.use_short_slot = true;
2072 changed |= BSS_CHANGED_ERP_SLOT;
2073 }
2074
9f1ba906 2075 if (params->use_short_slot_time >= 0) {
bda3933a 2076 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2077 params->use_short_slot_time;
2078 changed |= BSS_CHANGED_ERP_SLOT;
2079 }
2080
90c97a04 2081 if (params->basic_rates) {
2103dec1 2082 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
21a8e9dd 2083 wiphy->bands[sband->band],
2103dec1
SW		 2084 params->basic_rates,
2085 params->basic_rates_len,
2086 &sdata->vif.bss_conf.basic_rates);
90c97a04 2087 changed |= BSS_CHANGED_BASIC_RATES;
e8e4f528 2088 ieee80211_check_rate_mask(sdata);
90c97a04
JM		 2089 }
2090
7b7b5e56
FF		 2091 if (params->ap_isolate >= 0) {
2092 if (params->ap_isolate)
2093 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2094 else
2095 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
49ddf8e6 2096 ieee80211_check_fast_rx_iface(sdata);
7b7b5e56
FF		 2097 }
2098
80d7e403
HS		 2099 if (params->ht_opmode >= 0) {
2100 sdata->vif.bss_conf.ht_operation_mode =
2101 (u16) params->ht_opmode;
2102 changed |= BSS_CHANGED_HT;
2103 }
2104
339afbf4 2105 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2106 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2107 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2108 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2109 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2110 changed |= BSS_CHANGED_P2P_PS;
2111 }
2112
67baf663
JD		 2113 if (params->p2p_opp_ps > 0) {
2114 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2115 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2116 changed |= BSS_CHANGED_P2P_PS;
2117 } else if (params->p2p_opp_ps == 0) {
2118 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2119 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2120 changed |= BSS_CHANGED_P2P_PS;
2121 }
2122
9f1ba906
JM		 2123 ieee80211_bss_info_change_notify(sdata, changed);
2124
2125 return 0;
2126}
2127
31888487 2128static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2129 struct net_device *dev,
31888487
JM		 2130 struct ieee80211_txq_params *params)
2131{
2132 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2133 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2134 struct ieee80211_tx_queue_params p;
2135
2136 if (!local->ops->conf_tx)
2137 return -EOPNOTSUPP;
2138
54bcbc69
JB		 2139 if (local->hw.queues < IEEE80211_NUM_ACS)
2140 return -EOPNOTSUPP;
2141
31888487
JM		 2142 memset(&p, 0, sizeof(p));
2143 p.aifs = params->aifs;
2144 p.cw_max = params->cwmax;
2145 p.cw_min = params->cwmin;
2146 p.txop = params->txop;
ab13315a
KV		 2147
2148 /*
2149 * Setting tx queue params disables u-apsd because it's only
2150 * called in master mode.
2151 */
2152 p.uapsd = false;
2153
a3304b0a
JB		 2154 sdata->tx_conf[params->ac] = p;
2155 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2156 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2157 "failed to set TX queue parameters for AC %d\n",
2158 params->ac);
31888487
JM		 2159 return -EINVAL;
2160 }
2161
7d25745d
JB		 2162 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2163
31888487
JM		 2164 return 0;
2165}
2166
665af4fc 2167#ifdef CONFIG_PM
ff1b6e69
JB		 2168static int ieee80211_suspend(struct wiphy *wiphy,
2169 struct cfg80211_wowlan *wowlan)
665af4fc 2170{
eecc4800 2171 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2172}
2173
2174static int ieee80211_resume(struct wiphy *wiphy)
2175{
2176 return __ieee80211_resume(wiphy_priv(wiphy));
2177}
2178#else
2179#define ieee80211_suspend NULL
2180#define ieee80211_resume NULL
2181#endif
2182
2a519311 2183static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2184 struct cfg80211_scan_request *req)
2185{
fd014284
JB		 2186 struct ieee80211_sub_if_data *sdata;
2187
2188 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2189
2ca27bcf
JB		 2190 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2191 case NL80211_IFTYPE_STATION:
2192 case NL80211_IFTYPE_ADHOC:
2193 case NL80211_IFTYPE_MESH_POINT:
2194 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2195 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2196 break;
2197 case NL80211_IFTYPE_P2P_GO:
2198 if (sdata->local->ops->hw_scan)
2199 break;
e9d7732e
JB		 2200 /*
2201 * FIXME: implement NoA while scanning in software,
2202 * for now fall through to allow scanning only when
2203 * beaconing hasn't been configured yet
2204 */
2ca27bcf 2205 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2206 /*
2207 * If the scan has been forced (and the driver supports
2208 * forcing), don't care about being beaconing already.
2209 * This will create problems to the attached stations (e.g. all
2210 * the frames sent while scanning on other channel will be
2211 * lost)
2212 */
2213 if (sdata->u.ap.beacon &&
2214 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2215 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2216 return -EOPNOTSUPP;
2217 break;
cb3b7d87 2218 case NL80211_IFTYPE_NAN:
2ca27bcf
JB		 2219 default:
2220 return -EOPNOTSUPP;
2221 }
2a519311
JB		 2222
2223 return ieee80211_request_scan(sdata, req);
2224}
2225
91f123f2
VK		 2226static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2227{
2228 ieee80211_scan_cancel(wiphy_priv(wiphy));
2229}
2230
79f460ca
LC		 2231static int
2232ieee80211_sched_scan_start(struct wiphy *wiphy,
2233 struct net_device *dev,
2234 struct cfg80211_sched_scan_request *req)
2235{
2236 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2237
2238 if (!sdata->local->ops->sched_scan_start)
2239 return -EOPNOTSUPP;
2240
2241 return ieee80211_request_sched_scan_start(sdata, req);
2242}
2243
2244static int
3a3ecf1d
AVS		 2245ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2246 u64 reqid)
79f460ca 2247{
0d440ea2 2248 struct ieee80211_local *local = wiphy_priv(wiphy);
79f460ca 2249
0d440ea2 2250 if (!local->ops->sched_scan_stop)
79f460ca
LC		 2251 return -EOPNOTSUPP;
2252
0d440ea2 2253 return ieee80211_request_sched_scan_stop(local);
79f460ca
LC		 2254}
2255
636a5d36
JM		 2256static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2257 struct cfg80211_auth_request *req)
2258{
77fdaa12 2259 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2260}
2261
2262static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2263 struct cfg80211_assoc_request *req)
2264{
77fdaa12 2265 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2266}
2267
2268static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2269 struct cfg80211_deauth_request *req)
636a5d36 2270{
63c9c5e7 2271 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2272}
2273
2274static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2275 struct cfg80211_disassoc_request *req)
636a5d36 2276{
63c9c5e7 2277 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2278}
2279
af8cdcd8
JB		 2280static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2281 struct cfg80211_ibss_params *params)
2282{
55de908a 2283 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2284}
2285
2286static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2287{
55de908a 2288 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2289}
2290
239281f8
RL		 2291static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2292 struct ocb_setup *setup)
2293{
2294 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2295}
2296
2297static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2298{
2299 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2300}
2301
391e53e3 2302static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
57fbcce3 2303 int rate[NUM_NL80211_BANDS])
391e53e3
AQ		 2304{
2305 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2306
9887dbf5 2307 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
57fbcce3 2308 sizeof(int) * NUM_NL80211_BANDS);
391e53e3
AQ		 2309
2310 return 0;
2311}
2312
b9a5f8ca
JM		 2313static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2314{
2315 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2316 int err;
b9a5f8ca 2317
f23a4780 2318 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2319 ieee80211_check_fast_xmit_all(local);
2320
f23a4780
AN		 2321 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2322
17c18bf8
JB		 2323 if (err) {
2324 ieee80211_check_fast_xmit_all(local);
f23a4780 2325 return err;
17c18bf8 2326 }
f23a4780
AN		 2327 }
2328
a4bcaf55
LB		 2329 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2330 (changed & WIPHY_PARAM_DYN_ACK)) {
2331 s16 coverage_class;
2332
2333 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2334 wiphy->coverage_class : -1;
2335 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2336
2337 if (err)
2338 return err;
2339 }
2340
b9a5f8ca 2341 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2342 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2343
24487981
JB		 2344 if (err)
2345 return err;
b9a5f8ca
JM		 2346 }
2347
8bc83c24
JB		 2348 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2349 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2350 return -EINVAL;
b9a5f8ca 2351 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2352 }
2353 if (changed & WIPHY_PARAM_RETRY_LONG) {
2354 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2355 return -EINVAL;
b9a5f8ca 2356 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2357 }
b9a5f8ca
JM		 2358 if (changed &
2359 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2360 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2361
2362 return 0;
2363}
2364
7643a2c3 2365static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2366 struct wireless_dev *wdev,
fa61cf70 2367 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2368{
2369 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2370 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2371 enum nl80211_tx_power_setting txp_type = type;
2372 bool update_txp_type = false;
7643a2c3 2373
1ea6f9c0
JB		 2374 if (wdev) {
2375 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2376
2377 switch (type) {
2378 case NL80211_TX_POWER_AUTOMATIC:
2379 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2380 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2381 break;
2382 case NL80211_TX_POWER_LIMITED:
2383 case NL80211_TX_POWER_FIXED:
2384 if (mbm < 0 || (mbm % 100))
2385 return -EOPNOTSUPP;
2386 sdata->user_power_level = MBM_TO_DBM(mbm);
2387 break;
2388 }
2389
db82d8a9
LB		 2390 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2391 update_txp_type = true;
2392 sdata->vif.bss_conf.txpower_type = txp_type;
2393 }
2394
2395 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2396
2397 return 0;
2398 }
55de908a 2399
7643a2c3 2400 switch (type) {
fa61cf70 2401 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2402 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2403 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2404 break;
fa61cf70 2405 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2406 case NL80211_TX_POWER_FIXED:
2407 if (mbm < 0 || (mbm % 100))
2408 return -EOPNOTSUPP;
fa61cf70 2409 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2410 break;
7643a2c3
JB		 2411 }
2412
1ea6f9c0 2413 mutex_lock(&local->iflist_mtx);
db82d8a9 2414 list_for_each_entry(sdata, &local->interfaces, list) {
1ea6f9c0 2415 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2416 if (txp_type != sdata->vif.bss_conf.txpower_type)
2417 update_txp_type = true;
2418 sdata->vif.bss_conf.txpower_type = txp_type;
2419 }
1ea6f9c0 2420 list_for_each_entry(sdata, &local->interfaces, list)
db82d8a9 2421 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0 2422 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2423
2424 return 0;
2425}
2426
c8442118
JB		 2427static int ieee80211_get_tx_power(struct wiphy *wiphy,
2428 struct wireless_dev *wdev,
2429 int *dbm)
7643a2c3
JB		 2430{
2431 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2432 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2433
5b3dc42b
FF		 2434 if (local->ops->get_txpower)
2435 return drv_get_txpower(local, sdata, dbm);
2436
1ea6f9c0
JB		 2437 if (!local->use_chanctx)
2438 *dbm = local->hw.conf.power_level;
2439 else
2440 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2441
7643a2c3
JB		 2442 return 0;
2443}
2444
ab737a4f 2445static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2446 const u8 *addr)
ab737a4f
JB		 2447{
2448 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2449
2450 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2451
2452 return 0;
2453}
2454
1f87f7d3
JB		 2455static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2456{
2457 struct ieee80211_local *local = wiphy_priv(wiphy);
2458
2459 drv_rfkill_poll(local);
2460}
2461
aff89a9b 2462#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2463static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2464 struct wireless_dev *wdev,
2465 void *data, int len)
aff89a9b
JB		 2466{
2467 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2468 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2469
2470 if (!local->ops->testmode_cmd)
2471 return -EOPNOTSUPP;
2472
52981cd7
DS		 2473 if (wdev) {
2474 struct ieee80211_sub_if_data *sdata;
2475
2476 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2477 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2478 vif = &sdata->vif;
2479 }
2480
2481 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2482}
71063f0e
WYG		 2483
2484static int ieee80211_testmode_dump(struct wiphy *wiphy,
2485 struct sk_buff *skb,
2486 struct netlink_callback *cb,
2487 void *data, int len)
2488{
2489 struct ieee80211_local *local = wiphy_priv(wiphy);
2490
2491 if (!local->ops->testmode_dump)
2492 return -EOPNOTSUPP;
2493
2494 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2495}
aff89a9b
JB		 2496#endif
2497
687da132
EG		 2498int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2499 enum ieee80211_smps_mode smps_mode)
2500{
2501 struct sta_info *sta;
2502 enum ieee80211_smps_mode old_req;
687da132
EG		 2503
2504 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2505 return -EINVAL;
2506
2507 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2508 return 0;
2509
2510 old_req = sdata->u.ap.req_smps;
2511 sdata->u.ap.req_smps = smps_mode;
2512
2513 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2514 if (old_req == smps_mode ||
2515 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2516 return 0;
2517
687da132 2518 ht_dbg(sdata,
6a8b4adb 2519 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2520 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2521
2522 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2523 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2524 /*
2525 * Only stations associated to our AP and
2526 * associated VLANs
2527 */
2528 if (sta->sdata->bss != &sdata->u.ap)
2529 continue;
687da132 2530
7d9bb2f0
JB		 2531 /* This station doesn't support MIMO - skip it */
2532 if (sta_info_tx_streams(sta) == 1)
2533 continue;
687da132 2534
7d9bb2f0
JB		 2535 /*
2536 * Don't wake up a STA just to send the action frame
2537 * unless we are getting more restrictive.
2538 */
2539 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2540 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2541 smps_mode)) {
2542 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2543 sta->sta.addr);
2544 continue;
2545 }
687da132 2546
7d9bb2f0
JB		 2547 /*
2548 * If the STA is not authorized, wait until it gets
2549 * authorized and the action frame will be sent then.
2550 */
2551 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2552 continue;
687da132 2553
7d9bb2f0
JB		 2554 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2555 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2556 sdata->vif.bss_conf.bssid);
687da132
EG		 2557 }
2558 mutex_unlock(&sdata->local->sta_mtx);
2559
2560 sdata->smps_mode = smps_mode;
2561 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2562
2563 return 0;
2564}
2565
2566int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2567 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2568{
2569 const u8 *ap;
2570 enum ieee80211_smps_mode old_req;
2571 int err;
d51c2ea3
AN		 2572 struct sta_info *sta;
2573 bool tdls_peer_found = false;
0f78231b 2574
8d61ffa5 2575 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2576
687da132
EG		 2577 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2578 return -EINVAL;
2579
0f78231b
JB		 2580 old_req = sdata->u.mgd.req_smps;
2581 sdata->u.mgd.req_smps = smps_mode;
2582
2583 if (old_req == smps_mode &&
2584 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2585 return 0;
2586
2587 /*
2588 * If not associated, or current association is not an HT
04ecd257
JB		 2589 * association, there's no need to do anything, just store
2590 * the new value until we associate.
0f78231b
JB		 2591 */
2592 if (!sdata->u.mgd.associated ||
4bf88530 2593 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2594 return 0;
0f78231b 2595
0c1ad2ca 2596 ap = sdata->u.mgd.associated->bssid;
0f78231b 2597
d51c2ea3
AN		 2598 rcu_read_lock();
2599 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2600 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2601 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2602 continue;
2603
2604 tdls_peer_found = true;
2605 break;
2606 }
2607 rcu_read_unlock();
2608
0f78231b 2609 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
d51c2ea3 2610 if (tdls_peer_found || !sdata->u.mgd.powersave)
0f78231b 2611 smps_mode = IEEE80211_SMPS_OFF;
d51c2ea3
AN		 2612 else
2613 smps_mode = IEEE80211_SMPS_DYNAMIC;
0f78231b
JB		 2614 }
2615
2616 /* send SM PS frame to AP */
2617 err = ieee80211_send_smps_action(sdata, smps_mode,
2618 ap, ap);
2619 if (err)
2620 sdata->u.mgd.req_smps = old_req;
d51c2ea3
AN		 2621 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2622 ieee80211_teardown_tdls_peers(sdata);
0f78231b
JB		 2623
2624 return err;
2625}
2626
bc92afd9
JB		 2627static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2628 bool enabled, int timeout)
2629{
2630 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2631 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2632
2d3db210 2633 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2634 return -EOPNOTSUPP;
2635
30686bf7 2636 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
bc92afd9
JB		 2637 return -EOPNOTSUPP;
2638
2639 if (enabled == sdata->u.mgd.powersave &&
ff616381 2640 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2641 return 0;
2642
2643 sdata->u.mgd.powersave = enabled;
ff616381 2644 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2645
0f78231b 2646 /* no change, but if automatic follow powersave */
ed405be5 2647 sdata_lock(sdata);
687da132 2648 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2649 sdata_unlock(sdata);
0f78231b 2650
30686bf7 2651 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
bc92afd9
JB		 2652 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2653
4a733ef1 2654 ieee80211_recalc_ps(local);
ab095877 2655 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2656
2657 return 0;
2658}
2659
a97c13c3
JO		 2660static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2661 struct net_device *dev,
2662 s32 rssi_thold, u32 rssi_hyst)
2663{
2664 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2665 struct ieee80211_vif *vif = &sdata->vif;
2666 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2667
a97c13c3
JO		 2668 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2669 rssi_hyst == bss_conf->cqm_rssi_hyst)
2670 return 0;
2671
ef9be10c
JB		 2672 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2673 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2674 return -EOPNOTSUPP;
2675
a97c13c3
JO		 2676 bss_conf->cqm_rssi_thold = rssi_thold;
2677 bss_conf->cqm_rssi_hyst = rssi_hyst;
2c3c5f8c
AZ		 2678 bss_conf->cqm_rssi_low = 0;
2679 bss_conf->cqm_rssi_high = 0;
2680 sdata->u.mgd.last_cqm_event_signal = 0;
2681
2682 /* tell the driver upon association, unless already associated */
2683 if (sdata->u.mgd.associated &&
2684 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2685 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2686
2687 return 0;
2688}
2689
2690static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2691 struct net_device *dev,
2692 s32 rssi_low, s32 rssi_high)
2693{
2694 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2695 struct ieee80211_vif *vif = &sdata->vif;
2696 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2697
2698 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2699 return -EOPNOTSUPP;
2700
2701 bss_conf->cqm_rssi_low = rssi_low;
2702 bss_conf->cqm_rssi_high = rssi_high;
2703 bss_conf->cqm_rssi_thold = 0;
2704 bss_conf->cqm_rssi_hyst = 0;
babc305e 2705 sdata->u.mgd.last_cqm_event_signal = 0;
a97c13c3
JO		 2706
2707 /* tell the driver upon association, unless already associated */
ea086359
JB		 2708 if (sdata->u.mgd.associated &&
2709 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2710 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2711
2712 return 0;
2713}
2714
9930380f
JB		 2715static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2716 struct net_device *dev,
2717 const u8 *addr,
2718 const struct cfg80211_bitrate_mask *mask)
2719{
2720 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2721 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2722 int i, ret;
2c7e6bc9 2723
554a43d5
EP		 2724 if (!ieee80211_sdata_running(sdata))
2725 return -ENETDOWN;
2726
30686bf7 2727 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
bdbfd6b5
SM		 2728 ret = drv_set_bitrate_mask(local, sdata, mask);
2729 if (ret)
2730 return ret;
2731 }
9930380f 2732
e8e4f528
JB		 2733 /*
2734 * If active validate the setting and reject it if it doesn't leave
2735 * at least one basic rate usable, since we really have to be able
2736 * to send something, and if we're an AP we have to be able to do
2737 * so at a basic rate so that all clients can receive it.
2738 */
2739 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2740 sdata->vif.bss_conf.chandef.chan) {
2741 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2742 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2743
2744 if (!(mask->control[band].legacy & basic_rates))
2745 return -EINVAL;
2746 }
2747
57fbcce3 2748 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2ffbe6d3
FF		 2749 struct ieee80211_supported_band *sband = wiphy->bands[i];
2750 int j;
2751
37eb0b16 2752 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2753 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2754 sizeof(mask->control[i].ht_mcs));
b119ad6e
LB		 2755 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2756 mask->control[i].vht_mcs,
2757 sizeof(mask->control[i].vht_mcs));
2ffbe6d3
FF		 2758
2759 sdata->rc_has_mcs_mask[i] = false;
b119ad6e 2760 sdata->rc_has_vht_mcs_mask[i] = false;
2ffbe6d3
FF		 2761 if (!sband)
2762 continue;
2763
b119ad6e 2764 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2df1b131 2765 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2ffbe6d3 2766 sdata->rc_has_mcs_mask[i] = true;
2df1b131
JB		 2767 break;
2768 }
2769 }
b119ad6e 2770
2df1b131
JB		 2771 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2772 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
b119ad6e 2773 sdata->rc_has_vht_mcs_mask[i] = true;
2ffbe6d3 2774 break;
2df1b131 2775 }
b119ad6e 2776 }
19468413 2777 }
9930380f 2778
37eb0b16 2779 return 0;
9930380f
JB		 2780}
2781
164eb02d
SW		 2782static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2783 struct net_device *dev,
31559f35
JD		 2784 struct cfg80211_chan_def *chandef,
2785 u32 cac_time_ms)
164eb02d
SW		 2786{
2787 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2788 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2789 int err;
2790
34a3740d
JB		 2791 mutex_lock(&local->mtx);
2792 if (!list_empty(&local->roc_list) || local->scanning) {
2793 err = -EBUSY;
2794 goto out_unlock;
2795 }
164eb02d
SW		 2796
2797 /* whatever, but channel contexts should not complain about that one */
2798 sdata->smps_mode = IEEE80211_SMPS_OFF;
2799 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2800
164eb02d
SW		 2801 err = ieee80211_vif_use_channel(sdata, chandef,
2802 IEEE80211_CHANCTX_SHARED);
164eb02d 2803 if (err)
34a3740d 2804 goto out_unlock;
164eb02d 2805
164eb02d 2806 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2807 &sdata->dfs_cac_timer_work,
2808 msecs_to_jiffies(cac_time_ms));
164eb02d 2809
34a3740d
JB		 2810 out_unlock:
2811 mutex_unlock(&local->mtx);
2812 return err;
164eb02d
SW		 2813}
2814
73da7d5b
SW		 2815static struct cfg80211_beacon_data *
2816cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2817{
2818 struct cfg80211_beacon_data *new_beacon;
2819 u8 *pos;
2820 int len;
2821
2822 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2823 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2824 beacon->probe_resp_len;
2825
2826 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2827 if (!new_beacon)
2828 return NULL;
2829
2830 pos = (u8 *)(new_beacon + 1);
2831 if (beacon->head_len) {
2832 new_beacon->head_len = beacon->head_len;
2833 new_beacon->head = pos;
2834 memcpy(pos, beacon->head, beacon->head_len);
2835 pos += beacon->head_len;
2836 }
2837 if (beacon->tail_len) {
2838 new_beacon->tail_len = beacon->tail_len;
2839 new_beacon->tail = pos;
2840 memcpy(pos, beacon->tail, beacon->tail_len);
2841 pos += beacon->tail_len;
2842 }
2843 if (beacon->beacon_ies_len) {
2844 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2845 new_beacon->beacon_ies = pos;
2846 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2847 pos += beacon->beacon_ies_len;
2848 }
2849 if (beacon->proberesp_ies_len) {
2850 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2851 new_beacon->proberesp_ies = pos;
2852 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2853 pos += beacon->proberesp_ies_len;
2854 }
2855 if (beacon->assocresp_ies_len) {
2856 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2857 new_beacon->assocresp_ies = pos;
2858 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2859 pos += beacon->assocresp_ies_len;
2860 }
2861 if (beacon->probe_resp_len) {
2862 new_beacon->probe_resp_len = beacon->probe_resp_len;
2863 beacon->probe_resp = pos;
2864 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2865 pos += beacon->probe_resp_len;
2866 }
2867
2868 return new_beacon;
2869}
2870
66e01cf9 2871void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2872{
66e01cf9 2873 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2874
66e01cf9
LC		 2875 ieee80211_queue_work(&sdata->local->hw,
2876 &sdata->csa_finalize_work);
2877}
2878EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2879
66199506
MK		 2880static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2881 u32 *changed)
66e01cf9 2882{
66199506 2883 int err;
7578d575 2884
cd7760e6
SW		 2885 switch (sdata->vif.type) {
2886 case NL80211_IFTYPE_AP:
af296bdb
MK		 2887 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2888 NULL);
97518af1
MK		 2889 kfree(sdata->u.ap.next_beacon);
2890 sdata->u.ap.next_beacon = NULL;
2891
cd7760e6 2892 if (err < 0)
66199506
MK		 2893 return err;
2894 *changed |= err;
cd7760e6
SW		 2895 break;
2896 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2897 err = ieee80211_ibss_finish_csa(sdata);
2898 if (err < 0)
66199506
MK		 2899 return err;
2900 *changed |= err;
cd7760e6 2901 break;
b8456a14
CYY		 2902#ifdef CONFIG_MAC80211_MESH
2903 case NL80211_IFTYPE_MESH_POINT:
2904 err = ieee80211_mesh_finish_csa(sdata);
2905 if (err < 0)
66199506
MK		 2906 return err;
2907 *changed |= err;
b8456a14
CYY		 2908 break;
2909#endif
cd7760e6
SW		 2910 default:
2911 WARN_ON(1);
66199506
MK		 2912 return -EINVAL;
2913 }
2914
2915 return 0;
2916}
2917
cf8767dd 2918static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2919{
2920 struct ieee80211_local *local = sdata->local;
2921 u32 changed = 0;
2922 int err;
2923
2924 sdata_assert_lock(sdata);
2925 lockdep_assert_held(&local->mtx);
03078de4 2926 lockdep_assert_held(&local->chanctx_mtx);
66199506 2927
03078de4
MK		 2928 /*
2929 * using reservation isn't immediate as it may be deferred until later
2930 * with multi-vif. once reservation is complete it will re-schedule the
2931 * work with no reserved_chanctx so verify chandef to check if it
2932 * completed successfully
2933 */
66199506 2934
03078de4
MK		 2935 if (sdata->reserved_chanctx) {
2936 /*
2937 * with multi-vif csa driver may call ieee80211_csa_finish()
2938 * many times while waiting for other interfaces to use their
2939 * reservations
2940 */
2941 if (sdata->reserved_ready)
2942 return 0;
2943
408b18ab 2944 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2945 }
73da7d5b 2946
03078de4
MK		 2947 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2948 &sdata->csa_chandef))
2949 return -EINVAL;
2950
66199506
MK		 2951 sdata->vif.csa_active = false;
2952
2953 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2954 if (err)
cf8767dd 2955 return err;
faf046e7 2956
66199506 2957 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2958
a46992b4
LC		 2959 if (sdata->csa_block_tx) {
2960 ieee80211_wake_vif_queues(local, sdata,
2961 IEEE80211_QUEUE_STOP_REASON_CSA);
2962 sdata->csa_block_tx = false;
2963 }
cf8767dd 2964
f1d65583
LC		 2965 err = drv_post_channel_switch(sdata);
2966 if (err)
2967 return err;
2968
2969 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2970
cf8767dd
MK		 2971 return 0;
2972}
2973
2974static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2975{
2976 if (__ieee80211_csa_finalize(sdata)) {
2977 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2978 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2979 GFP_KERNEL);
2980 }
66e01cf9
LC		 2981}
2982
2983void ieee80211_csa_finalize_work(struct work_struct *work)
2984{
2985 struct ieee80211_sub_if_data *sdata =
2986 container_of(work, struct ieee80211_sub_if_data,
2987 csa_finalize_work);
59af6928 2988 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 2989
2990 sdata_lock(sdata);
59af6928 2991 mutex_lock(&local->mtx);
03078de4 2992 mutex_lock(&local->chanctx_mtx);
59af6928 2993
66e01cf9
LC		 2994 /* AP might have been stopped while waiting for the lock. */
2995 if (!sdata->vif.csa_active)
2996 goto unlock;
2997
2998 if (!ieee80211_sdata_running(sdata))
2999 goto unlock;
3000
3001 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3002
3003unlock:
03078de4 3004 mutex_unlock(&local->chanctx_mtx);
59af6928 3005 mutex_unlock(&local->mtx);
e487eaeb 3006 sdata_unlock(sdata);
73da7d5b
SW		 3007}
3008
37fa2bdd
MK		 3009static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3010 struct cfg80211_csa_settings *params,
3011 u32 *changed)
73da7d5b 3012{
af296bdb 3013 struct ieee80211_csa_settings csa = {};
37fa2bdd 3014 int err;
73da7d5b 3015
73da7d5b
SW		 3016 switch (sdata->vif.type) {
3017 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3018 sdata->u.ap.next_beacon =
3019 cfg80211_beacon_dup(&params->beacon_after);
3020 if (!sdata->u.ap.next_beacon)
3021 return -ENOMEM;
3022
66e01cf9
LC		 3023 /*
3024 * With a count of 0, we don't have to wait for any
3025 * TBTT before switching, so complete the CSA
3026 * immediately. In theory, with a count == 1 we
3027 * should delay the switch until just before the next
3028 * TBTT, but that would complicate things so we switch
3029 * immediately too. If we would delay the switch
3030 * until the next TBTT, we would have to set the probe
3031 * response here.
3032 *
3033 * TODO: A channel switch with count <= 1 without
3034 * sending a CSA action frame is kind of useless,
3035 * because the clients won't know we're changing
3036 * channels. The action frame must be implemented
3037 * either here or in the userspace.
3038 */
3039 if (params->count <= 1)
3040 break;
3041
0d06d9ba
AO		 3042 if ((params->n_counter_offsets_beacon >
3043 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3044 (params->n_counter_offsets_presp >
3045 IEEE80211_MAX_CSA_COUNTERS_NUM))
3046 return -EINVAL;
9a774c78 3047
af296bdb
MK		 3048 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3049 csa.counter_offsets_presp = params->counter_offsets_presp;
3050 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3051 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3052 csa.count = params->count;
9a774c78 3053
af296bdb 3054 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3055 if (err < 0) {
3056 kfree(sdata->u.ap.next_beacon);
3057 return err;
3058 }
37fa2bdd 3059 *changed |= err;
66e01cf9 3060
cd7760e6
SW		 3061 break;
3062 case NL80211_IFTYPE_ADHOC:
3063 if (!sdata->vif.bss_conf.ibss_joined)
3064 return -EINVAL;
3065
3066 if (params->chandef.width != sdata->u.ibss.chandef.width)
3067 return -EINVAL;
3068
3069 switch (params->chandef.width) {
3070 case NL80211_CHAN_WIDTH_40:
3071 if (cfg80211_get_chandef_type(&params->chandef) !=
3072 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3073 return -EINVAL;
3074 case NL80211_CHAN_WIDTH_5:
3075 case NL80211_CHAN_WIDTH_10:
3076 case NL80211_CHAN_WIDTH_20_NOHT:
3077 case NL80211_CHAN_WIDTH_20:
3078 break;
3079 default:
3080 return -EINVAL;
3081 }
3082
3083 /* changes into another band are not supported */
3084 if (sdata->u.ibss.chandef.chan->band !=
3085 params->chandef.chan->band)
3086 return -EINVAL;
3087
66e01cf9
LC		 3088 /* see comments in the NL80211_IFTYPE_AP block */
3089 if (params->count > 1) {
3090 err = ieee80211_ibss_csa_beacon(sdata, params);
3091 if (err < 0)
3092 return err;
37fa2bdd 3093 *changed |= err;
66e01cf9
LC		 3094 }
3095
3096 ieee80211_send_action_csa(sdata, params);
3097
73da7d5b 3098 break;
c6da674a 3099#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3100 case NL80211_IFTYPE_MESH_POINT: {
3101 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3102
c6da674a
CYY		 3103 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3104 return -EINVAL;
3105
3106 /* changes into another band are not supported */
3107 if (sdata->vif.bss_conf.chandef.chan->band !=
3108 params->chandef.chan->band)
3109 return -EINVAL;
3110
c782bf8c 3111 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3112 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3113 if (!ifmsh->pre_value)
3114 ifmsh->pre_value = 1;
3115 else
3116 ifmsh->pre_value++;
3117 }
0cb4d4dc 3118
66e01cf9
LC		 3119 /* see comments in the NL80211_IFTYPE_AP block */
3120 if (params->count > 1) {
3121 err = ieee80211_mesh_csa_beacon(sdata, params);
3122 if (err < 0) {
3123 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3124 return err;
3125 }
37fa2bdd 3126 *changed |= err;
3f718fd8 3127 }
66e01cf9
LC		 3128
3129 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3130 ieee80211_send_action_csa(sdata, params);
3131
c6da674a 3132 break;
37fa2bdd 3133 }
c6da674a 3134#endif
73da7d5b
SW		 3135 default:
3136 return -EOPNOTSUPP;
3137 }
3138
37fa2bdd
MK		 3139 return 0;
3140}
3141
f29f58a9
LC		 3142static int
3143__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3144 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3145{
3146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3147 struct ieee80211_local *local = sdata->local;
6d027bcc 3148 struct ieee80211_channel_switch ch_switch;
2b32713d 3149 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3150 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3151 u32 changed = 0;
3152 int err;
37fa2bdd
MK		 3153
3154 sdata_assert_lock(sdata);
59af6928 3155 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3156
3157 if (!list_empty(&local->roc_list) || local->scanning)
3158 return -EBUSY;
3159
3160 if (sdata->wdev.cac_started)
3161 return -EBUSY;
3162
3163 if (cfg80211_chandef_identical(&params->chandef,
3164 &sdata->vif.bss_conf.chandef))
3165 return -EINVAL;
3166
03078de4
MK		 3167 /* don't allow another channel switch if one is already active. */
3168 if (sdata->vif.csa_active)
3169 return -EBUSY;
3170
2b32713d
MK		 3171 mutex_lock(&local->chanctx_mtx);
3172 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3173 lockdep_is_held(&local->chanctx_mtx));
3174 if (!conf) {
03078de4
MK		 3175 err = -EBUSY;
3176 goto out;
37fa2bdd
MK		 3177 }
3178
2b32713d 3179 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
37fa2bdd 3180
000baa5d
LC		 3181 ch_switch.timestamp = 0;
3182 ch_switch.device_timestamp = 0;
3183 ch_switch.block_tx = params->block_tx;
3184 ch_switch.chandef = params->chandef;
3185 ch_switch.count = params->count;
3186
6d027bcc
LC		 3187 err = drv_pre_channel_switch(sdata, &ch_switch);
3188 if (err)
3189 goto out;
3190
03078de4
MK		 3191 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3192 chanctx->mode,
3193 params->radar_required);
3194 if (err)
3195 goto out;
37fa2bdd 3196
03078de4
MK		 3197 /* if reservation is invalid then this will fail */
3198 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3199 if (err) {
3200 ieee80211_vif_unreserve_chanctx(sdata);
3201 goto out;
3202 }
37fa2bdd
MK		 3203
3204 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3205 if (err) {
3206 ieee80211_vif_unreserve_chanctx(sdata);
3207 goto out;
3208 }
37fa2bdd 3209
33787fc4 3210 sdata->csa_chandef = params->chandef;
59af6928 3211 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3212 sdata->vif.csa_active = true;
3213
59af6928 3214 if (sdata->csa_block_tx)
a46992b4
LC		 3215 ieee80211_stop_vif_queues(local, sdata,
3216 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3217
2f457293
LC		 3218 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3219 params->count);
3220
66e01cf9
LC		 3221 if (changed) {
3222 ieee80211_bss_info_change_notify(sdata, changed);
3223 drv_channel_switch_beacon(sdata, &params->chandef);
3224 } else {
3225 /* if the beacon didn't change, we can finalize immediately */
3226 ieee80211_csa_finalize(sdata);
3227 }
73da7d5b 3228
03078de4
MK		 3229out:
3230 mutex_unlock(&local->chanctx_mtx);
3231 return err;
73da7d5b
SW		 3232}
3233
59af6928
MK		 3234int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3235 struct cfg80211_csa_settings *params)
3236{
3237 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3238 struct ieee80211_local *local = sdata->local;
3239 int err;
3240
3241 mutex_lock(&local->mtx);
3242 err = __ieee80211_channel_switch(wiphy, dev, params);
3243 mutex_unlock(&local->mtx);
3244
3245 return err;
3246}
3247
a2fcfccb
JB		 3248u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3249{
3250 lockdep_assert_held(&local->mtx);
3251
3252 local->roc_cookie_counter++;
3253
3254 /* wow, you wrapped 64 bits ... more likely a bug */
3255 if (WARN_ON(local->roc_cookie_counter == 0))
3256 local->roc_cookie_counter++;
3257
3258 return local->roc_cookie_counter;
3259}
3260
5ee00dbd
JB		 3261int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3262 u64 *cookie, gfp_t gfp)
3b79af97
JB		 3263{
3264 unsigned long spin_flags;
3265 struct sk_buff *ack_skb;
3266 int id;
3267
3268 ack_skb = skb_copy(skb, gfp);
3269 if (!ack_skb)
5ee00dbd 3270 return -ENOMEM;
3b79af97
JB		 3271
3272 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3273 id = idr_alloc(&local->ack_status_frames, ack_skb,
3274 1, 0x10000, GFP_ATOMIC);
3275 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3276
3277 if (id < 0) {
3278 kfree_skb(ack_skb);
5ee00dbd 3279 return -ENOMEM;
3b79af97
JB		 3280 }
3281
3282 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3283
3284 *cookie = ieee80211_mgmt_tx_cookie(local);
3285 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3286
5ee00dbd 3287 return 0;
3b79af97
JB		 3288}
3289
7be5086d 3290static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3291 struct wireless_dev *wdev,
7be5086d
JB		 3292 u16 frame_type, bool reg)
3293{
3294 struct ieee80211_local *local = wiphy_priv(wiphy);
1b09b556 3295 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 3296
6abe0563 3297 switch (frame_type) {
6abe0563 3298 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
1b09b556 3299 if (reg) {
6abe0563 3300 local->probe_req_reg++;
1b09b556
AO		 3301 sdata->vif.probe_req_reg++;
3302 } else {
3303 if (local->probe_req_reg)
3304 local->probe_req_reg--;
3305
3306 if (sdata->vif.probe_req_reg)
3307 sdata->vif.probe_req_reg--;
3308 }
7be5086d 3309
35f5149e
FF		 3310 if (!local->open_count)
3311 break;
3312
1b09b556
AO		 3313 if (sdata->vif.probe_req_reg == 1)
3314 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3315 FIF_PROBE_REQ);
3316 else if (sdata->vif.probe_req_reg == 0)
3317 drv_config_iface_filter(local, sdata, 0,
3318 FIF_PROBE_REQ);
3319
3320 ieee80211_configure_filter(local);
6abe0563
WH		 3321 break;
3322 default:
3323 break;
3324 }
7be5086d
JB		 3325}
3326
15d96753
BR		 3327static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3328{
3329 struct ieee80211_local *local = wiphy_priv(wiphy);
3330
3331 if (local->started)
3332 return -EOPNOTSUPP;
3333
3334 return drv_set_antenna(local, tx_ant, rx_ant);
3335}
3336
3337static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3338{
3339 struct ieee80211_local *local = wiphy_priv(wiphy);
3340
3341 return drv_get_antenna(local, tx_ant, rx_ant);
3342}
3343
c68f4b89
JB		 3344static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3345 struct net_device *dev,
3346 struct cfg80211_gtk_rekey_data *data)
3347{
3348 struct ieee80211_local *local = wiphy_priv(wiphy);
3349 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3350
3351 if (!local->ops->set_rekey_data)
3352 return -EOPNOTSUPP;
3353
3354 drv_set_rekey_data(local, sdata, data);
3355
3356 return 0;
3357}
3358
06500736
JB		 3359static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3360 const u8 *peer, u64 *cookie)
3361{
3362 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3363 struct ieee80211_local *local = sdata->local;
3364 struct ieee80211_qos_hdr *nullfunc;
5ee00dbd 3365 struct sk_buff *skb;
06500736
JB		 3366 int size = sizeof(*nullfunc);
3367 __le16 fc;
3368 bool qos;
3369 struct ieee80211_tx_info *info;
3370 struct sta_info *sta;
55de908a 3371 struct ieee80211_chanctx_conf *chanctx_conf;
57fbcce3 3372 enum nl80211_band band;
3b79af97
JB		 3373 int ret;
3374
3375 /* the lock is needed to assign the cookie later */
3376 mutex_lock(&local->mtx);
06500736
JB		 3377
3378 rcu_read_lock();
55de908a
JB		 3379 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3380 if (WARN_ON(!chanctx_conf)) {
3b79af97
JB		 3381 ret = -EINVAL;
3382 goto unlock;
55de908a 3383 }
4bf88530 3384 band = chanctx_conf->def.chan->band;
03bb7f42 3385 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3386 if (sta) {
a74a8c84 3387 qos = sta->sta.wme;
b4487c2d 3388 } else {
3b79af97
JB		 3389 ret = -ENOLINK;
3390 goto unlock;
b4487c2d 3391 }
06500736
JB		 3392
3393 if (qos) {
3394 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3395 IEEE80211_STYPE_QOS_NULLFUNC |
3396 IEEE80211_FCTL_FROMDS);
3397 } else {
3398 size -= 2;
3399 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3400 IEEE80211_STYPE_NULLFUNC |
3401 IEEE80211_FCTL_FROMDS);
3402 }
3403
3404 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a 3405 if (!skb) {
3b79af97
JB		 3406 ret = -ENOMEM;
3407 goto unlock;
55de908a 3408 }
06500736
JB		 3409
3410 skb->dev = dev;
3411
3412 skb_reserve(skb, local->hw.extra_tx_headroom);
3413
3414 nullfunc = (void *) skb_put(skb, size);
3415 nullfunc->frame_control = fc;
3416 nullfunc->duration_id = 0;
3417 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3418 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3419 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3420 nullfunc->seq_ctrl = 0;
3421
3422 info = IEEE80211_SKB_CB(skb);
3423
3424 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3425 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3426 info->band = band;
06500736
JB		 3427
3428 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3429 skb->priority = 7;
3430 if (qos)
3431 nullfunc->qos_ctrl = cpu_to_le16(7);
3432
5ee00dbd
JB		 3433 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3434 if (ret) {
3b79af97 3435 kfree_skb(skb);
3b79af97
JB		 3436 goto unlock;
3437 }
3438
06500736 3439 local_bh_disable();
7c10770f 3440 ieee80211_xmit(sdata, sta, skb);
06500736 3441 local_bh_enable();
3b79af97
JB		 3442
3443 ret = 0;
3444unlock:
55de908a 3445 rcu_read_unlock();
3b79af97 3446 mutex_unlock(&local->mtx);
06500736 3447
3b79af97 3448 return ret;
06500736
JB		 3449}
3450
683b6d3b
JB		 3451static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3452 struct wireless_dev *wdev,
3453 struct cfg80211_chan_def *chandef)
5b7ccaf3 3454{
55de908a 3455 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3456 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3457 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3458 int ret = -ENODATA;
55de908a
JB		 3459
3460 rcu_read_lock();
feda3027
JB		 3461 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3462 if (chanctx_conf) {
c12bc488 3463 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3464 ret = 0;
3465 } else if (local->open_count > 0 &&
3466 local->open_count == local->monitors &&
3467 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3468 if (local->use_chanctx)
3469 *chandef = local->monitor_chandef;
3470 else
675a0b04 3471 *chandef = local->_oper_chandef;
683b6d3b 3472 ret = 0;
55de908a
JB		 3473 }
3474 rcu_read_unlock();
5b7ccaf3 3475
683b6d3b 3476 return ret;
5b7ccaf3
JB		 3477}
3478
6d52563f
JB		 3479#ifdef CONFIG_PM
3480static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3481{
3482 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3483}
3484#endif
3485
32db6b54
KP		 3486static int ieee80211_set_qos_map(struct wiphy *wiphy,
3487 struct net_device *dev,
3488 struct cfg80211_qos_map *qos_map)
3489{
3490 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3491 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3492
3493 if (qos_map) {
3494 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3495 if (!new_qos_map)
3496 return -ENOMEM;
3497 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3498 } else {
3499 /* A NULL qos_map was passed to disable QoS mapping */
3500 new_qos_map = NULL;
3501 }
3502
194ff52d 3503 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3504 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3505 if (old_qos_map)
3506 kfree_rcu(old_qos_map, rcu_head);
3507
3508 return 0;
3509}
3510
3b1700bd
JM		 3511static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3512 struct net_device *dev,
3513 struct cfg80211_chan_def *chandef)
3514{
3515 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3516 int ret;
3517 u32 changed = 0;
3518
3519 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3520 if (ret == 0)
3521 ieee80211_bss_info_change_notify(sdata, changed);
3522
3523 return ret;
3524}
3525
02219b3a
JB		 3526static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3527 u8 tsid, const u8 *peer, u8 up,
3528 u16 admitted_time)
3529{
3530 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3531 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3532 int ac = ieee802_1d_to_ac[up];
3533
3534 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3535 return -EOPNOTSUPP;
3536
3537 if (!(sdata->wmm_acm & BIT(up)))
3538 return -EINVAL;
3539
3540 if (ifmgd->tx_tspec[ac].admitted_time)
3541 return -EBUSY;
3542
3543 if (admitted_time) {
3544 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3545 ifmgd->tx_tspec[ac].tsid = tsid;
3546 ifmgd->tx_tspec[ac].up = up;
3547 }
3548
3549 return 0;
3550}
3551
3552static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3553 u8 tsid, const u8 *peer)
3554{
3555 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3556 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3557 struct ieee80211_local *local = wiphy_priv(wiphy);
3558 int ac;
3559
3560 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3561 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3562
3563 /* skip unused entries */
3564 if (!tx_tspec->admitted_time)
3565 continue;
3566
3567 if (tx_tspec->tsid != tsid)
3568 continue;
3569
3570 /* due to this new packets will be reassigned to non-ACM ACs */
3571 tx_tspec->up = -1;
3572
3573 /* Make sure that all packets have been sent to avoid to
3574 * restore the QoS params on packets that are still on the
3575 * queues.
3576 */
3577 synchronize_net();
3b24f4c6 3578 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3579
3580 /* restore the normal QoS parameters
3581 * (unconditionally to avoid races)
3582 */
3583 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3584 tx_tspec->downgraded = false;
3585 ieee80211_sta_handle_tspec_ac_params(sdata);
3586
3587 /* finally clear all the data */
3588 memset(tx_tspec, 0, sizeof(*tx_tspec));
3589
3590 return 0;
3591 }
3592
3593 return -ENOENT;
3594}
3595
167e33f4
AB		 3596void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3597 u8 inst_id,
3598 enum nl80211_nan_func_term_reason reason,
3599 gfp_t gfp)
3600{
3601 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3602 struct cfg80211_nan_func *func;
3603 u64 cookie;
3604
3605 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3606 return;
3607
3608 spin_lock_bh(&sdata->u.nan.func_lock);
3609
3610 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3611 if (WARN_ON(!func)) {
3612 spin_unlock_bh(&sdata->u.nan.func_lock);
3613 return;
3614 }
3615
3616 cookie = func->cookie;
3617 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3618
3619 spin_unlock_bh(&sdata->u.nan.func_lock);
3620
3621 cfg80211_free_nan_func(func);
3622
3623 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3624 reason, cookie, gfp);
3625}
3626EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3627
92bc43bc
AB		 3628void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3629 struct cfg80211_nan_match_params *match,
3630 gfp_t gfp)
3631{
3632 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3633 struct cfg80211_nan_func *func;
3634
3635 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3636 return;
3637
3638 spin_lock_bh(&sdata->u.nan.func_lock);
3639
3640 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3641 if (WARN_ON(!func)) {
3642 spin_unlock_bh(&sdata->u.nan.func_lock);
3643 return;
3644 }
3645 match->cookie = func->cookie;
3646
3647 spin_unlock_bh(&sdata->u.nan.func_lock);
3648
3649 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3650}
3651EXPORT_SYMBOL(ieee80211_nan_func_match);
3652
ebceec86
MB		 3653static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3654 struct net_device *dev,
3655 const bool enabled)
3656{
3657 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3658
3659 sdata->u.ap.multicast_to_unicast = enabled;
3660
3661 return 0;
3662}
3663
8a47cea7 3664const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3665 .add_virtual_intf = ieee80211_add_iface,
3666 .del_virtual_intf = ieee80211_del_iface,
42613db7 3667 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3668 .start_p2p_device = ieee80211_start_p2p_device,
3669 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3670 .add_key = ieee80211_add_key,
3671 .del_key = ieee80211_del_key,
62da92fb 3672 .get_key = ieee80211_get_key,
e8cbb4cb 3673 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3674 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3675 .start_ap = ieee80211_start_ap,
3676 .change_beacon = ieee80211_change_beacon,
3677 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3678 .add_station = ieee80211_add_station,
3679 .del_station = ieee80211_del_station,
3680 .change_station = ieee80211_change_station,
7bbdd2d9 3681 .get_station = ieee80211_get_station,
c5dd9c2b 3682 .dump_station = ieee80211_dump_station,
1289723e 3683 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3684#ifdef CONFIG_MAC80211_MESH
3685 .add_mpath = ieee80211_add_mpath,
3686 .del_mpath = ieee80211_del_mpath,
3687 .change_mpath = ieee80211_change_mpath,
3688 .get_mpath = ieee80211_get_mpath,
3689 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3690 .get_mpp = ieee80211_get_mpp,
3691 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3692 .update_mesh_config = ieee80211_update_mesh_config,
3693 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3694 .join_mesh = ieee80211_join_mesh,
3695 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3696#endif
239281f8
RL		 3697 .join_ocb = ieee80211_join_ocb,
3698 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3699 .change_bss = ieee80211_change_bss,
31888487 3700 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3701 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3702 .suspend = ieee80211_suspend,
3703 .resume = ieee80211_resume,
2a519311 3704 .scan = ieee80211_scan,
91f123f2 3705 .abort_scan = ieee80211_abort_scan,
79f460ca
LC		 3706 .sched_scan_start = ieee80211_sched_scan_start,
3707 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3708 .auth = ieee80211_auth,
3709 .assoc = ieee80211_assoc,
3710 .deauth = ieee80211_deauth,
3711 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3712 .join_ibss = ieee80211_join_ibss,
3713 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3714 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3715 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3716 .set_tx_power = ieee80211_set_tx_power,
3717 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3718 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3719 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3720 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3721 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3722 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3723 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3724 .remain_on_channel = ieee80211_remain_on_channel,
3725 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3726 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3727 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3728 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2c3c5f8c 3729 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
7be5086d 3730 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3731 .set_antenna = ieee80211_set_antenna,
3732 .get_antenna = ieee80211_get_antenna,
c68f4b89 3733 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3734 .tdls_oper = ieee80211_tdls_oper,
3735 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3736 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3737 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3738 .probe_client = ieee80211_probe_client,
b53be792 3739 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3740#ifdef CONFIG_PM
3741 .set_wakeup = ieee80211_set_wakeup,
3742#endif
5b7ccaf3 3743 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3744 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3745 .channel_switch = ieee80211_channel_switch,
32db6b54 3746 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3747 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3748 .add_tx_ts = ieee80211_add_tx_ts,
3749 .del_tx_ts = ieee80211_del_tx_ts,
708d50ed
AB		 3750 .start_nan = ieee80211_start_nan,
3751 .stop_nan = ieee80211_stop_nan,
5953ff6d 3752 .nan_change_conf = ieee80211_nan_change_conf,
167e33f4
AB		 3753 .add_nan_func = ieee80211_add_nan_func,
3754 .del_nan_func = ieee80211_del_nan_func,
ebceec86 3755 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
f0706e82 3756};
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