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cfg80211: Fix radar event during another phy CAC
[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 */
a2c37946 429 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
e548c49e
JB		 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
3c10687b 497 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
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;
25a133f6 887 int prev_beacon_int;
14db74bc 888
7ca133bc 889 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 890 if (old)
891 return -EALREADY;
892
f6993174
EP		 893 switch (params->smps_mode) {
894 case NL80211_SMPS_OFF:
895 sdata->smps_mode = IEEE80211_SMPS_OFF;
896 break;
897 case NL80211_SMPS_STATIC:
898 sdata->smps_mode = IEEE80211_SMPS_STATIC;
899 break;
900 case NL80211_SMPS_DYNAMIC:
901 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
902 break;
903 default:
904 return -EINVAL;
905 }
b3dd8279
EG		 906 sdata->u.ap.req_smps = sdata->smps_mode;
907
04ecd257
JB		 908 sdata->needed_rx_chains = sdata->local->rx_chains;
909
25a133f6 910 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
ac668afe
JB		 911 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
912
34a3740d 913 mutex_lock(&local->mtx);
4bf88530 914 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 915 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 916 if (!err)
917 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 918 mutex_unlock(&local->mtx);
25a133f6
RP		 919 if (err) {
920 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
aa430da4 921 return err;
25a133f6 922 }
aa430da4 923
665c93a9
JB		 924 /*
925 * Apply control port protocol, this allows us to
926 * not encrypt dynamic WEP control frames.
927 */
928 sdata->control_port_protocol = params->crypto.control_port_ethertype;
929 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 930 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
931 &params->crypto,
932 sdata->vif.type);
933
665c93a9
JB		 934 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
935 vlan->control_port_protocol =
936 params->crypto.control_port_ethertype;
937 vlan->control_port_no_encrypt =
938 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 939 vlan->encrypt_headroom =
940 ieee80211_cs_headroom(sdata->local,
941 &params->crypto,
942 vlan->vif.type);
665c93a9
JB		 943 }
944
8860020e 945 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 946 sdata->vif.bss_conf.enable_beacon = true;
52cfa1d6 947 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
8860020e
JB		 948
949 sdata->vif.bss_conf.ssid_len = params->ssid_len;
950 if (params->ssid_len)
951 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
952 params->ssid_len);
953 sdata->vif.bss_conf.hidden_ssid =
954 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
955
67baf663
JD		 956 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
957 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
958 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
959 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
960 if (params->p2p_opp_ps)
961 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
962 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 963
af296bdb 964 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 965 if (err < 0) {
966 ieee80211_vif_release_channel(sdata);
8860020e 967 return err;
0297ea17 968 }
8860020e
JB		 969 changed |= err;
970
1041638f
JB		 971 err = drv_start_ap(sdata->local, sdata);
972 if (err) {
7ca133bc
SW		 973 old = sdata_dereference(sdata->u.ap.beacon, sdata);
974
1041638f
JB		 975 if (old)
976 kfree_rcu(old, rcu_head);
977 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 978 ieee80211_vif_release_channel(sdata);
1041638f
JB		 979 return err;
980 }
981
057d5f4b 982 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 983 ieee80211_bss_info_change_notify(sdata, changed);
984
3edaf3e6
JB		 985 netif_carrier_on(dev);
986 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
987 netif_carrier_on(vlan->dev);
988
665c93a9 989 return 0;
5dfdaf58
JB		 990}
991
8860020e
JB		 992static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
993 struct cfg80211_beacon_data *params)
5dfdaf58 994{
14db74bc 995 struct ieee80211_sub_if_data *sdata;
5dfdaf58 996 struct beacon_data *old;
8860020e 997 int err;
5dfdaf58 998
14db74bc 999 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 1000 sdata_assert_lock(sdata);
14db74bc 1001
73da7d5b
SW		 1002 /* don't allow changing the beacon while CSA is in place - offset
1003 * of channel switch counter may change
1004 */
1005 if (sdata->vif.csa_active)
1006 return -EBUSY;
1007
7ca133bc 1008 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1009 if (!old)
1010 return -ENOENT;
1011
af296bdb 1012 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 1013 if (err < 0)
1014 return err;
1015 ieee80211_bss_info_change_notify(sdata, err);
1016 return 0;
5dfdaf58
JB		 1017}
1018
8860020e 1019static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1020{
7b20b8e8
JB		 1021 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1022 struct ieee80211_sub_if_data *vlan;
1023 struct ieee80211_local *local = sdata->local;
1024 struct beacon_data *old_beacon;
1025 struct probe_resp *old_probe_resp;
d2859df5 1026 struct cfg80211_chan_def chandef;
14db74bc 1027
dbd72850
MK		 1028 sdata_assert_lock(sdata);
1029
7ca133bc 1030 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1031 if (!old_beacon)
5dfdaf58 1032 return -ENOENT;
7ca133bc 1033 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1034
73da7d5b 1035 /* abort any running channel switch */
59af6928 1036 mutex_lock(&local->mtx);
73da7d5b 1037 sdata->vif.csa_active = false;
a46992b4
LC		 1038 if (sdata->csa_block_tx) {
1039 ieee80211_wake_vif_queues(local, sdata,
1040 IEEE80211_QUEUE_STOP_REASON_CSA);
1041 sdata->csa_block_tx = false;
1042 }
1043
59af6928
MK		 1044 mutex_unlock(&local->mtx);
1045
1f3b8a2b
SW		 1046 kfree(sdata->u.ap.next_beacon);
1047 sdata->u.ap.next_beacon = NULL;
1048
7b20b8e8 1049 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1050 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1051 netif_carrier_off(vlan->dev);
1052 netif_carrier_off(dev);
1053
7b20b8e8 1054 /* remove beacon and probe response */
a9b3cd7f 1055 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1056 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1057 kfree_rcu(old_beacon, rcu_head);
1058 if (old_probe_resp)
1059 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 1060 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 1061
e716251d 1062 __sta_info_flush(sdata, true);
7907c7d3 1063 ieee80211_free_keys(sdata, true);
75de9113 1064
d6a83228 1065 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1066 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1067 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1068 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1069
a6b368f6 1070 if (sdata->wdev.cac_started) {
d2859df5 1071 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1072 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1073 cfg80211_cac_event(sdata->dev, &chandef,
1074 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1075 GFP_KERNEL);
1076 }
1077
1041638f
JB		 1078 drv_stop_ap(sdata->local, sdata);
1079
7b20b8e8
JB		 1080 /* free all potentially still buffered bcast frames */
1081 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
6b07d9ca 1082 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
7b20b8e8 1083
34a3740d 1084 mutex_lock(&local->mtx);
4e141dad 1085 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 1086 ieee80211_vif_release_channel(sdata);
34a3740d 1087 mutex_unlock(&local->mtx);
55de908a 1088
2d0ddec5 1089 return 0;
5dfdaf58
JB		 1090}
1091
d582cffb
JB		 1092static int sta_apply_auth_flags(struct ieee80211_local *local,
1093 struct sta_info *sta,
1094 u32 mask, u32 set)
1095{
1096 int ret;
1097
1098 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1099 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1100 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1101 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1102 if (ret)
1103 return ret;
1104 }
1105
1106 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1107 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1108 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1109 /*
1110 * When peer becomes associated, init rate control as
1111 * well. Some drivers require rate control initialized
1112 * before drv_sta_state() is called.
1113 */
44674d9c 1114 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
c23e31cf
MP		 1115 rate_control_rate_init(sta);
1116
d582cffb
JB		 1117 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1118 if (ret)
1119 return ret;
1120 }
1121
1122 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1123 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1124 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1125 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1126 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1127 else
1128 ret = 0;
1129 if (ret)
1130 return ret;
1131 }
1132
1133 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1134 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1135 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1136 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1137 if (ret)
1138 return ret;
1139 }
1140
1141 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1142 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1143 test_sta_flag(sta, WLAN_STA_AUTH)) {
1144 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1145 if (ret)
1146 return ret;
1147 }
1148
1149 return 0;
1150}
1151
13657702
JB		 1152static void sta_apply_mesh_params(struct ieee80211_local *local,
1153 struct sta_info *sta,
1154 struct station_parameters *params)
1155{
1156#ifdef CONFIG_MAC80211_MESH
1157 struct ieee80211_sub_if_data *sdata = sta->sdata;
1158 u32 changed = 0;
1159
1160 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1161 switch (params->plink_state) {
1162 case NL80211_PLINK_ESTAB:
1163 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1164 changed = mesh_plink_inc_estab_count(sdata);
1165 sta->mesh->plink_state = params->plink_state;
7d27a0ba 1166 sta->mesh->aid = params->peer_aid;
13657702
JB		 1167
1168 ieee80211_mps_sta_status_update(sta);
1169 changed |= ieee80211_mps_set_sta_local_pm(sta,
1170 sdata->u.mesh.mshcfg.power_mode);
1171 break;
1172 case NL80211_PLINK_LISTEN:
1173 case NL80211_PLINK_BLOCKED:
1174 case NL80211_PLINK_OPN_SNT:
1175 case NL80211_PLINK_OPN_RCVD:
1176 case NL80211_PLINK_CNF_RCVD:
1177 case NL80211_PLINK_HOLDING:
1178 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1179 changed = mesh_plink_dec_estab_count(sdata);
1180 sta->mesh->plink_state = params->plink_state;
1181
1182 ieee80211_mps_sta_status_update(sta);
1183 changed |= ieee80211_mps_set_sta_local_pm(sta,
1184 NL80211_MESH_POWER_UNKNOWN);
1185 break;
1186 default:
1187 /* nothing */
1188 break;
1189 }
1190 }
1191
1192 switch (params->plink_action) {
1193 case NL80211_PLINK_ACTION_NO_ACTION:
1194 /* nothing */
1195 break;
1196 case NL80211_PLINK_ACTION_OPEN:
1197 changed |= mesh_plink_open(sta);
1198 break;
1199 case NL80211_PLINK_ACTION_BLOCK:
1200 changed |= mesh_plink_block(sta);
1201 break;
1202 }
1203
1204 if (params->local_pm)
1205 changed |= ieee80211_mps_set_sta_local_pm(sta,
1206 params->local_pm);
1207
1208 ieee80211_mbss_info_change_notify(sdata, changed);
1209#endif
1210}
1211
d9a7ddb0
JB		 1212static int sta_apply_parameters(struct ieee80211_local *local,
1213 struct sta_info *sta,
1214 struct station_parameters *params)
4fd6931e 1215{
d9a7ddb0 1216 int ret = 0;
8318d78a 1217 struct ieee80211_supported_band *sband;
d0709a65 1218 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 1219 u32 mask, set;
4fd6931e 1220
21a8e9dd
MSS		 1221 sband = ieee80211_get_sband(sdata);
1222 if (!sband)
1223 return -EINVAL;
ae5eb026 1224
eccb8e8f
JB		 1225 mask = params->sta_flags_mask;
1226 set = params->sta_flags_set;
73651ee6 1227
d582cffb
JB		 1228 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1229 /*
1230 * In mesh mode, ASSOCIATED isn't part of the nl80211
1231 * API but must follow AUTHENTICATED for driver state.
1232 */
1233 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1234 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1235 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1236 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1237 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1238 /*
1239 * TDLS -- everything follows authorized, but
1240 * only becoming authorized is possible, not
1241 * going back
1242 */
1243 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1244 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1245 BIT(NL80211_STA_FLAG_ASSOCIATED);
1246 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1247 BIT(NL80211_STA_FLAG_ASSOCIATED);
1248 }
eccb8e8f 1249 }
4fd6931e 1250
2c44be81
JB		 1251 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1252 local->hw.queues >= IEEE80211_NUM_ACS)
1253 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1254
44674d9c
AB		 1255 /* auth flags will be set later for TDLS,
1256 * and for unassociated stations that move to assocaited */
1257 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1258 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1259 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
68885a54
AN		 1260 ret = sta_apply_auth_flags(local, sta, mask, set);
1261 if (ret)
1262 return ret;
1263 }
d9a7ddb0 1264
eccb8e8f 1265 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1266 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1267 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1268 else
1269 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1270 }
4fd6931e 1271
eccb8e8f 1272 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
93f0490e 1273 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1274 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1275 set_sta_flag(sta, WLAN_STA_MFP);
1276 else
1277 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1278 }
b39c48fa 1279
07ba55d7 1280 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1281 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1282 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1283 else
1284 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1285 }
4fd6931e 1286
9041c1fa
AN		 1287 /* mark TDLS channel switch support, if the AP allows it */
1288 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1289 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1290 params->ext_capab_len >= 4 &&
1291 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1292 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1293
b98fb44f 1294 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
82c0cc90 1295 !sdata->u.mgd.tdls_wider_bw_prohibited &&
b98fb44f
AN		 1296 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1297 params->ext_capab_len >= 8 &&
1298 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1299 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1300
3b9ce80c
JB		 1301 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1302 sta->sta.uapsd_queues = params->uapsd_queues;
1303 sta->sta.max_sp = params->max_sp;
1304 }
9533b4ac 1305
506bcfa8
EG		 1306 /* The sender might not have sent the last bit, consider it to be 0 */
1307 if (params->ext_capab_len >= 8) {
1308 u8 val = (params->ext_capab[7] &
1309 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1310
1311 /* we did get all the bits, take the MSB as well */
1312 if (params->ext_capab_len >= 9) {
1313 u8 val_msb = params->ext_capab[8] &
1314 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1315 val_msb <<= 1;
1316 val |= val_msb;
1317 }
1318
1319 switch (val) {
1320 case 1:
1321 sta->sta.max_amsdu_subframes = 32;
1322 break;
1323 case 2:
1324 sta->sta.max_amsdu_subframes = 16;
1325 break;
1326 case 3:
1327 sta->sta.max_amsdu_subframes = 8;
1328 break;
1329 default:
1330 sta->sta.max_amsdu_subframes = 0;
1331 }
1332 }
1333
51b50fbe
JB		 1334 /*
1335 * cfg80211 validates this (1-2007) and allows setting the AID
1336 * only when creating a new station entry
1337 */
1338 if (params->aid)
1339 sta->sta.aid = params->aid;
1340
73651ee6 1341 /*
ba23d206
JB		 1342 * Some of the following updates would be racy if called on an
1343 * existing station, via ieee80211_change_station(). However,
1344 * all such changes are rejected by cfg80211 except for updates
1345 * changing the supported rates on an existing but not yet used
1346 * TDLS peer.
73651ee6
JB		 1347 */
1348
4fd6931e
JB		 1349 if (params->listen_interval >= 0)
1350 sta->listen_interval = params->listen_interval;
1351
1352 if (params->supported_rates) {
2103dec1
SW		 1353 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1354 sband, params->supported_rates,
1355 params->supported_rates_len,
21a8e9dd 1356 &sta->sta.supp_rates[sband->band]);
4fd6931e 1357 }
c5dd9c2b 1358
d9fe60de 1359 if (params->ht_capa)
ef96a842 1360 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1361 params->ht_capa, sta);
36aedc90 1362
506bcfa8 1363 /* VHT can override some HT caps such as the A-MSDU max length */
f461be3e
MP		 1364 if (params->vht_capa)
1365 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1366 params->vht_capa, sta);
f461be3e 1367
b1bce14a 1368 if (params->opmode_notif_used) {
b1bce14a
MK		 1369 /* returned value is only needed for rc update, but the
1370 * rc isn't initialized here yet, so ignore it
1371 */
21a8e9dd
MSS		 1372 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1373 sband->band);
b1bce14a
MK		 1374 }
1375
52cfa1d6
AB		 1376 if (params->support_p2p_ps >= 0)
1377 sta->sta.support_p2p_ps = params->support_p2p_ps;
1378
13657702
JB		 1379 if (ieee80211_vif_is_mesh(&sdata->vif))
1380 sta_apply_mesh_params(local, sta, params);
d9a7ddb0 1381
68885a54 1382 /* set the STA state after all sta info from usermode has been set */
44674d9c
AB		 1383 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1384 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
68885a54
AN		 1385 ret = sta_apply_auth_flags(local, sta, mask, set);
1386 if (ret)
1387 return ret;
1388 }
1389
d9a7ddb0 1390 return 0;
4fd6931e
JB		 1391}
1392
1393static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1394 const u8 *mac,
1395 struct station_parameters *params)
4fd6931e 1396{
14db74bc 1397 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1398 struct sta_info *sta;
1399 struct ieee80211_sub_if_data *sdata;
73651ee6 1400 int err;
4fd6931e 1401
4fd6931e
JB		 1402 if (params->vlan) {
1403 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1404
05c914fe
JB		 1405 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1406 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1407 return -EINVAL;
1408 } else
1409 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1410
b203ca39 1411 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1412 return -EINVAL;
1413
1414 if (is_multicast_ether_addr(mac))
1415 return -EINVAL;
1416
dcec0eee
JB		 1417 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1418 sdata->vif.type == NL80211_IFTYPE_STATION &&
1419 !sdata->u.mgd.associated)
1420 return -EINVAL;
1421
03e4497e 1422 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1423 if (!sta)
1424 return -ENOMEM;
4fd6931e 1425
44674d9c
AB		 1426 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1427 sta->sta.tdls = true;
4fd6931e 1428
d9a7ddb0
JB		 1429 err = sta_apply_parameters(local, sta, params);
1430 if (err) {
1431 sta_info_free(local, sta);
1432 return err;
1433 }
4fd6931e 1434
d64cf63e 1435 /*
44674d9c
AB		 1436 * for TDLS and for unassociated station, rate control should be
1437 * initialized only when rates are known and station is marked
1438 * authorized/associated
d64cf63e 1439 */
44674d9c
AB		 1440 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1441 test_sta_flag(sta, WLAN_STA_ASSOC))
d64cf63e 1442 rate_control_rate_init(sta);
4fd6931e 1443
34e89507 1444 err = sta_info_insert_rcu(sta);
73651ee6 1445 if (err) {
73651ee6
JB		 1446 rcu_read_unlock();
1447 return err;
1448 }
1449
73651ee6
JB		 1450 rcu_read_unlock();
1451
4fd6931e
JB		 1452 return 0;
1453}
1454
1455static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1456 struct station_del_parameters *params)
4fd6931e 1457{
14db74bc 1458 struct ieee80211_sub_if_data *sdata;
4fd6931e 1459
14db74bc
JB		 1460 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1461
89c771e5
JM		 1462 if (params->mac)
1463 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1464
b998e8bb 1465 sta_info_flush(sdata);
4fd6931e
JB		 1466 return 0;
1467}
1468
1469static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1470 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1471 struct station_parameters *params)
1472{
abe60632 1473 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1474 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1475 struct sta_info *sta;
1476 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1477 enum cfg80211_station_type statype;
35b88623 1478 int err;
4fd6931e 1479
87be1e1e 1480 mutex_lock(&local->sta_mtx);
98dd6a57 1481
0e5ded5a 1482 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1483 if (!sta) {
77ee7c89
JB		 1484 err = -ENOENT;
1485 goto out_err;
98dd6a57 1486 }
4fd6931e 1487
77ee7c89
JB		 1488 switch (sdata->vif.type) {
1489 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1490 if (sdata->u.mesh.user_mpm)
eef941e6 1491 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1492 else
eef941e6 1493 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1494 break;
1495 case NL80211_IFTYPE_ADHOC:
1496 statype = CFG80211_STA_IBSS;
1497 break;
1498 case NL80211_IFTYPE_STATION:
1499 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1500 statype = CFG80211_STA_AP_STA;
1501 break;
1502 }
1503 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1504 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1505 else
1506 statype = CFG80211_STA_TDLS_PEER_SETUP;
1507 break;
1508 case NL80211_IFTYPE_AP:
1509 case NL80211_IFTYPE_AP_VLAN:
44674d9c
AB		 1510 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1511 statype = CFG80211_STA_AP_CLIENT;
1512 else
1513 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
77ee7c89
JB		 1514 break;
1515 default:
1516 err = -EOPNOTSUPP;
1517 goto out_err;
bdd90d5e
JB		 1518 }
1519
77ee7c89
JB		 1520 err = cfg80211_check_station_change(wiphy, params, statype);
1521 if (err)
1522 goto out_err;
1523
d0709a65 1524 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 1525 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1526
9bc383de 1527 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1528 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1529 err = -EBUSY;
1530 goto out_err;
3305443c 1531 }
f14543ee 1532
cf778b00 1533 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
49ddf8e6 1534 __ieee80211_check_fast_rx_iface(vlansdata);
7e3ed02c
FF		 1535 }
1536
1537 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
72f15d53 1538 sta->sdata->u.vlan.sta)
0c2bef46 1539 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
72f15d53
MB		 1540
1541 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1542 ieee80211_vif_dec_num_mcast(sta->sdata);
f14543ee 1543
14db74bc 1544 sta->sdata = vlansdata;
464daaf0 1545 ieee80211_check_fast_xmit(sta);
7e3ed02c 1546
cfab8c83 1547 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
72f15d53 1548 ieee80211_vif_inc_num_mcast(sta->sdata);
cfab8c83
JM		 1549 cfg80211_send_layer2_update(sta->sdata->dev,
1550 sta->sta.addr);
1551 }
4fd6931e
JB		 1552 }
1553
35b88623 1554 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1555 if (err)
1556 goto out_err;
4fd6931e 1557
87be1e1e 1558 mutex_unlock(&local->sta_mtx);
98dd6a57 1559
687da132
EG		 1560 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1561 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1562 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1563 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1564 sta_info_tx_streams(sta) != 1) {
1565 ht_dbg(sta->sdata,
1566 "%pM just authorized and MIMO capable - update SMPS\n",
1567 sta->sta.addr);
1568 ieee80211_send_smps_action(sta->sdata,
1569 sta->sdata->bss->req_smps,
1570 sta->sta.addr,
1571 sta->sdata->vif.bss_conf.bssid);
1572 }
1573
808118cb 1574 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1575 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4a733ef1 1576 ieee80211_recalc_ps(local);
ab095877
EP		 1577 ieee80211_recalc_ps_vif(sdata);
1578 }
77ee7c89 1579
4fd6931e 1580 return 0;
77ee7c89
JB		 1581out_err:
1582 mutex_unlock(&local->sta_mtx);
1583 return err;
4fd6931e
JB		 1584}
1585
c5dd9c2b
LCC		 1586#ifdef CONFIG_MAC80211_MESH
1587static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1588 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1589{
14db74bc 1590 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1591 struct mesh_path *mpath;
1592 struct sta_info *sta;
c5dd9c2b 1593
14db74bc
JB		 1594 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1595
d0709a65 1596 rcu_read_lock();
abe60632 1597 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1598 if (!sta) {
1599 rcu_read_unlock();
c5dd9c2b 1600 return -ENOENT;
d0709a65 1601 }
c5dd9c2b 1602
ae76eef0
BC		 1603 mpath = mesh_path_add(sdata, dst);
1604 if (IS_ERR(mpath)) {
d0709a65 1605 rcu_read_unlock();
ae76eef0 1606 return PTR_ERR(mpath);
d0709a65 1607 }
c5dd9c2b 1608
c5dd9c2b 1609 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1610
c5dd9c2b
LCC		 1611 rcu_read_unlock();
1612 return 0;
1613}
1614
1615static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1616 const u8 *dst)
c5dd9c2b 1617{
f698d856
JBG		 1618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1619
c5dd9c2b 1620 if (dst)
bf7cd94d 1621 return mesh_path_del(sdata, dst);
c5dd9c2b 1622
ece1a2e7 1623 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1624 return 0;
1625}
1626
3b3a0162
JB		 1627static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1628 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1629{
14db74bc 1630 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1631 struct mesh_path *mpath;
1632 struct sta_info *sta;
1633
14db74bc
JB		 1634 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1635
d0709a65
JB		 1636 rcu_read_lock();
1637
abe60632 1638 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1639 if (!sta) {
1640 rcu_read_unlock();
c5dd9c2b 1641 return -ENOENT;
d0709a65 1642 }
c5dd9c2b 1643
bf7cd94d 1644 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1645 if (!mpath) {
1646 rcu_read_unlock();
c5dd9c2b
LCC		 1647 return -ENOENT;
1648 }
1649
1650 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1651
c5dd9c2b
LCC		 1652 rcu_read_unlock();
1653 return 0;
1654}
1655
1656static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1657 struct mpath_info *pinfo)
1658{
a3836e02
JB		 1659 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1660
1661 if (next_hop_sta)
1662 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1663 else
c84a67a2 1664 eth_zero_addr(next_hop);
c5dd9c2b 1665
7ce8c7a3
LAYS		 1666 memset(pinfo, 0, sizeof(*pinfo));
1667
2bdaf386 1668 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
f5ea9120 1669
c5dd9c2b 1670 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1671 MPATH_INFO_SN |
c5dd9c2b
LCC		 1672 MPATH_INFO_METRIC |
1673 MPATH_INFO_EXPTIME |
1674 MPATH_INFO_DISCOVERY_TIMEOUT |
1675 MPATH_INFO_DISCOVERY_RETRIES |
1676 MPATH_INFO_FLAGS;
1677
1678 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1679 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1680 pinfo->metric = mpath->metric;
1681 if (time_before(jiffies, mpath->exp_time))
1682 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1683 pinfo->discovery_timeout =
1684 jiffies_to_msecs(mpath->discovery_timeout);
1685 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1686 if (mpath->flags & MESH_PATH_ACTIVE)
1687 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1688 if (mpath->flags & MESH_PATH_RESOLVING)
1689 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1690 if (mpath->flags & MESH_PATH_SN_VALID)
1691 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1692 if (mpath->flags & MESH_PATH_FIXED)
1693 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1694 if (mpath->flags & MESH_PATH_RESOLVED)
1695 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1696}
1697
1698static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1699 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1700
1701{
14db74bc 1702 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1703 struct mesh_path *mpath;
1704
14db74bc
JB		 1705 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1706
c5dd9c2b 1707 rcu_read_lock();
bf7cd94d 1708 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1709 if (!mpath) {
1710 rcu_read_unlock();
1711 return -ENOENT;
1712 }
1713 memcpy(dst, mpath->dst, ETH_ALEN);
1714 mpath_set_pinfo(mpath, next_hop, pinfo);
1715 rcu_read_unlock();
1716 return 0;
1717}
1718
1719static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1720 int idx, u8 *dst, u8 *next_hop,
1721 struct mpath_info *pinfo)
c5dd9c2b 1722{
14db74bc 1723 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1724 struct mesh_path *mpath;
1725
14db74bc
JB		 1726 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1727
c5dd9c2b 1728 rcu_read_lock();
bf7cd94d 1729 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1730 if (!mpath) {
1731 rcu_read_unlock();
1732 return -ENOENT;
1733 }
1734 memcpy(dst, mpath->dst, ETH_ALEN);
1735 mpath_set_pinfo(mpath, next_hop, pinfo);
1736 rcu_read_unlock();
1737 return 0;
1738}
93da9cc1 1739
a2db2ed3
HR		 1740static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1741 struct mpath_info *pinfo)
1742{
1743 memset(pinfo, 0, sizeof(*pinfo));
1744 memcpy(mpp, mpath->mpp, ETH_ALEN);
1745
2bdaf386 1746 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
a2db2ed3
HR		 1747}
1748
1749static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1750 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1751
1752{
1753 struct ieee80211_sub_if_data *sdata;
1754 struct mesh_path *mpath;
1755
1756 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1757
1758 rcu_read_lock();
1759 mpath = mpp_path_lookup(sdata, dst);
1760 if (!mpath) {
1761 rcu_read_unlock();
1762 return -ENOENT;
1763 }
1764 memcpy(dst, mpath->dst, ETH_ALEN);
1765 mpp_set_pinfo(mpath, mpp, pinfo);
1766 rcu_read_unlock();
1767 return 0;
1768}
1769
1770static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1771 int idx, u8 *dst, u8 *mpp,
1772 struct mpath_info *pinfo)
1773{
1774 struct ieee80211_sub_if_data *sdata;
1775 struct mesh_path *mpath;
1776
1777 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1778
1779 rcu_read_lock();
1780 mpath = mpp_path_lookup_by_idx(sdata, idx);
1781 if (!mpath) {
1782 rcu_read_unlock();
1783 return -ENOENT;
1784 }
1785 memcpy(dst, mpath->dst, ETH_ALEN);
1786 mpp_set_pinfo(mpath, mpp, pinfo);
1787 rcu_read_unlock();
1788 return 0;
1789}
1790
24bdd9f4 1791static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1792 struct net_device *dev,
1793 struct mesh_config *conf)
1794{
1795 struct ieee80211_sub_if_data *sdata;
1796 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1797
93da9cc1 1798 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1799 return 0;
1800}
1801
1802static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1803{
1804 return (mask >> (parm-1)) & 0x1;
1805}
1806
c80d545d
JC		 1807static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1808 const struct mesh_setup *setup)
1809{
1810 u8 *new_ie;
1811 const u8 *old_ie;
4bb62344
CYY		 1812 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1813 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1814
581a8b0f 1815 /* allocate information elements */
c80d545d 1816 new_ie = NULL;
581a8b0f 1817 old_ie = ifmsh->ie;
c80d545d 1818
581a8b0f
JC		 1819 if (setup->ie_len) {
1820 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1821 GFP_KERNEL);
1822 if (!new_ie)
1823 return -ENOMEM;
1824 }
581a8b0f
JC		 1825 ifmsh->ie_len = setup->ie_len;
1826 ifmsh->ie = new_ie;
1827 kfree(old_ie);
c80d545d
JC		 1828
1829 /* now copy the rest of the setup parameters */
1830 ifmsh->mesh_id_len = setup->mesh_id_len;
1831 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1832 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1833 ifmsh->mesh_pp_id = setup->path_sel_proto;
1834 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1835 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1836 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce 1837 ifmsh->security = IEEE80211_MESH_SEC_NONE;
0ab2e55d 1838 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
b130e5ce
JC		 1839 if (setup->is_authenticated)
1840 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1841 if (setup->is_secure)
1842 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1843
4bb62344
CYY		 1844 /* mcast rate setting in Mesh Node */
1845 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1846 sizeof(setup->mcast_rate));
ffb3cf30 1847 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1848
9bdbf04d
MP		 1849 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1850 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1851
c80d545d
JC		 1852 return 0;
1853}
1854
24bdd9f4 1855static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1856 struct net_device *dev, u32 mask,
1857 const struct mesh_config *nconf)
93da9cc1 1858{
1859 struct mesh_config *conf;
1860 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1861 struct ieee80211_if_mesh *ifmsh;
1862
93da9cc1 1863 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1864 ifmsh = &sdata->u.mesh;
93da9cc1 1865
93da9cc1 1866 /* Set the config options which we are interested in setting */
1867 conf = &(sdata->u.mesh.mshcfg);
1868 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1869 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1870 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1871 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1872 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1873 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1874 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1875 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1876 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1877 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1878 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1879 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1880 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1881 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1882 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1883 if (ifmsh->user_mpm)
1884 return -EBUSY;
93da9cc1 1885 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1886 }
d299a1f2
JC		 1887 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1888 conf->dot11MeshNbrOffsetMaxNeighbor =
1889 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1890 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1891 conf->dot11MeshHWMPmaxPREQretries =
1892 nconf->dot11MeshHWMPmaxPREQretries;
1893 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1894 conf->path_refresh_time = nconf->path_refresh_time;
1895 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1896 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1897 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1898 conf->dot11MeshHWMPactivePathTimeout =
1899 nconf->dot11MeshHWMPactivePathTimeout;
1900 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1901 conf->dot11MeshHWMPpreqMinInterval =
1902 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1903 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1904 conf->dot11MeshHWMPperrMinInterval =
1905 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1906 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1907 mask))
1908 conf->dot11MeshHWMPnetDiameterTraversalTime =
1909 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1910 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1911 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1912 ieee80211_mesh_root_setup(ifmsh);
1913 }
16dd7267 1914 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1915 /* our current gate announcement implementation rides on root
1916 * announcements, so require this ifmsh to also be a root node
1917 * */
1918 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1919 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1920 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1921 ieee80211_mesh_root_setup(ifmsh);
1922 }
16dd7267
JC		 1923 conf->dot11MeshGateAnnouncementProtocol =
1924 nconf->dot11MeshGateAnnouncementProtocol;
1925 }
a4f606ea 1926 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1927 conf->dot11MeshHWMPRannInterval =
1928 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1929 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1930 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1931 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1932 /* our RSSI threshold implementation is supported only for
1933 * devices that report signal in dBm.
1934 */
30686bf7 1935 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
55335137
AN		 1936 return -ENOTSUPP;
1937 conf->rssi_threshold = nconf->rssi_threshold;
1938 }
70c33eaa
AN		 1939 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1940 conf->ht_opmode = nconf->ht_opmode;
1941 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1942 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1943 }
ac1073a6
CYY		 1944 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1945 conf->dot11MeshHWMPactivePathToRootTimeout =
1946 nconf->dot11MeshHWMPactivePathToRootTimeout;
1947 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1948 conf->dot11MeshHWMProotInterval =
1949 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1950 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1951 conf->dot11MeshHWMPconfirmationInterval =
1952 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1953 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1954 conf->power_mode = nconf->power_mode;
1955 ieee80211_mps_local_status_update(sdata);
1956 }
2b5e1967 1957 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1958 conf->dot11MeshAwakeWindowDuration =
1959 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1960 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1961 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1962 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1963 return 0;
1964}
1965
29cbe68c
JB		 1966static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1967 const struct mesh_config *conf,
1968 const struct mesh_setup *setup)
1969{
1970 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1971 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1972 int err;
29cbe68c 1973
c80d545d
JC		 1974 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1975 err = copy_mesh_setup(ifmsh, setup);
1976 if (err)
1977 return err;
cc1d2806 1978
04ecd257
JB		 1979 /* can mesh use other SMPS modes? */
1980 sdata->smps_mode = IEEE80211_SMPS_OFF;
1981 sdata->needed_rx_chains = sdata->local->rx_chains;
1982
34a3740d 1983 mutex_lock(&sdata->local->mtx);
4bf88530 1984 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1985 IEEE80211_CHANCTX_SHARED);
34a3740d 1986 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1987 if (err)
1988 return err;
1989
2b5e1967 1990 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1991}
1992
1993static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1994{
1995 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1996
1997 ieee80211_stop_mesh(sdata);
34a3740d 1998 mutex_lock(&sdata->local->mtx);
55de908a 1999 ieee80211_vif_release_channel(sdata);
34a3740d 2000 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 2001
2002 return 0;
2003}
c5dd9c2b
LCC		 2004#endif
2005
9f1ba906
JM		 2006static int ieee80211_change_bss(struct wiphy *wiphy,
2007 struct net_device *dev,
2008 struct bss_parameters *params)
2009{
55de908a 2010 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21a8e9dd 2011 struct ieee80211_supported_band *sband;
9f1ba906
JM		 2012 u32 changed = 0;
2013
7ca133bc 2014 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 2015 return -ENOENT;
2016
21a8e9dd
MSS		 2017 sband = ieee80211_get_sband(sdata);
2018 if (!sband)
2019 return -EINVAL;
9f1ba906 2020
9f1ba906 2021 if (params->use_cts_prot >= 0) {
bda3933a 2022 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 2023 changed |= BSS_CHANGED_ERP_CTS_PROT;
2024 }
2025 if (params->use_short_preamble >= 0) {
bda3933a 2026 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 2027 params->use_short_preamble;
2028 changed |= BSS_CHANGED_ERP_PREAMBLE;
2029 }
43d35343
FF		 2030
2031 if (!sdata->vif.bss_conf.use_short_slot &&
21a8e9dd 2032 sband->band == NL80211_BAND_5GHZ) {
43d35343
FF		 2033 sdata->vif.bss_conf.use_short_slot = true;
2034 changed |= BSS_CHANGED_ERP_SLOT;
2035 }
2036
9f1ba906 2037 if (params->use_short_slot_time >= 0) {
bda3933a 2038 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2039 params->use_short_slot_time;
2040 changed |= BSS_CHANGED_ERP_SLOT;
2041 }
2042
90c97a04 2043 if (params->basic_rates) {
2103dec1 2044 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
21a8e9dd 2045 wiphy->bands[sband->band],
2103dec1
SW		 2046 params->basic_rates,
2047 params->basic_rates_len,
2048 &sdata->vif.bss_conf.basic_rates);
90c97a04 2049 changed |= BSS_CHANGED_BASIC_RATES;
e8e4f528 2050 ieee80211_check_rate_mask(sdata);
90c97a04
JM		 2051 }
2052
7b7b5e56
FF		 2053 if (params->ap_isolate >= 0) {
2054 if (params->ap_isolate)
2055 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2056 else
2057 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
49ddf8e6 2058 ieee80211_check_fast_rx_iface(sdata);
7b7b5e56
FF		 2059 }
2060
80d7e403
HS		 2061 if (params->ht_opmode >= 0) {
2062 sdata->vif.bss_conf.ht_operation_mode =
2063 (u16) params->ht_opmode;
2064 changed |= BSS_CHANGED_HT;
2065 }
2066
339afbf4 2067 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2068 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2069 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2070 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2071 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2072 changed |= BSS_CHANGED_P2P_PS;
2073 }
2074
67baf663
JD		 2075 if (params->p2p_opp_ps > 0) {
2076 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2077 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2078 changed |= BSS_CHANGED_P2P_PS;
2079 } else if (params->p2p_opp_ps == 0) {
2080 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2081 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2082 changed |= BSS_CHANGED_P2P_PS;
2083 }
2084
9f1ba906
JM		 2085 ieee80211_bss_info_change_notify(sdata, changed);
2086
2087 return 0;
2088}
2089
31888487 2090static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2091 struct net_device *dev,
31888487
JM		 2092 struct ieee80211_txq_params *params)
2093{
2094 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2095 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2096 struct ieee80211_tx_queue_params p;
2097
2098 if (!local->ops->conf_tx)
2099 return -EOPNOTSUPP;
2100
54bcbc69
JB		 2101 if (local->hw.queues < IEEE80211_NUM_ACS)
2102 return -EOPNOTSUPP;
2103
31888487
JM		 2104 memset(&p, 0, sizeof(p));
2105 p.aifs = params->aifs;
2106 p.cw_max = params->cwmax;
2107 p.cw_min = params->cwmin;
2108 p.txop = params->txop;
ab13315a
KV		 2109
2110 /*
2111 * Setting tx queue params disables u-apsd because it's only
2112 * called in master mode.
2113 */
2114 p.uapsd = false;
2115
a3304b0a
JB		 2116 sdata->tx_conf[params->ac] = p;
2117 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2118 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2119 "failed to set TX queue parameters for AC %d\n",
2120 params->ac);
31888487
JM		 2121 return -EINVAL;
2122 }
2123
7d25745d
JB		 2124 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2125
31888487
JM		 2126 return 0;
2127}
2128
665af4fc 2129#ifdef CONFIG_PM
ff1b6e69
JB		 2130static int ieee80211_suspend(struct wiphy *wiphy,
2131 struct cfg80211_wowlan *wowlan)
665af4fc 2132{
eecc4800 2133 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2134}
2135
2136static int ieee80211_resume(struct wiphy *wiphy)
2137{
2138 return __ieee80211_resume(wiphy_priv(wiphy));
2139}
2140#else
2141#define ieee80211_suspend NULL
2142#define ieee80211_resume NULL
2143#endif
2144
2a519311 2145static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2146 struct cfg80211_scan_request *req)
2147{
fd014284
JB		 2148 struct ieee80211_sub_if_data *sdata;
2149
2150 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2151
2ca27bcf
JB		 2152 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2153 case NL80211_IFTYPE_STATION:
2154 case NL80211_IFTYPE_ADHOC:
2155 case NL80211_IFTYPE_MESH_POINT:
2156 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2157 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2158 break;
2159 case NL80211_IFTYPE_P2P_GO:
2160 if (sdata->local->ops->hw_scan)
2161 break;
e9d7732e
JB		 2162 /*
2163 * FIXME: implement NoA while scanning in software,
2164 * for now fall through to allow scanning only when
2165 * beaconing hasn't been configured yet
2166 */
2ca27bcf 2167 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2168 /*
2169 * If the scan has been forced (and the driver supports
2170 * forcing), don't care about being beaconing already.
2171 * This will create problems to the attached stations (e.g. all
2172 * the frames sent while scanning on other channel will be
2173 * lost)
2174 */
2175 if (sdata->u.ap.beacon &&
2176 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2177 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2178 return -EOPNOTSUPP;
2179 break;
cb3b7d87 2180 case NL80211_IFTYPE_NAN:
2ca27bcf
JB		 2181 default:
2182 return -EOPNOTSUPP;
2183 }
2a519311
JB		 2184
2185 return ieee80211_request_scan(sdata, req);
2186}
2187
91f123f2
VK		 2188static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2189{
2190 ieee80211_scan_cancel(wiphy_priv(wiphy));
2191}
2192
79f460ca
LC		 2193static int
2194ieee80211_sched_scan_start(struct wiphy *wiphy,
2195 struct net_device *dev,
2196 struct cfg80211_sched_scan_request *req)
2197{
2198 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2199
2200 if (!sdata->local->ops->sched_scan_start)
2201 return -EOPNOTSUPP;
2202
2203 return ieee80211_request_sched_scan_start(sdata, req);
2204}
2205
2206static int
3a3ecf1d
AVS		 2207ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2208 u64 reqid)
79f460ca 2209{
0d440ea2 2210 struct ieee80211_local *local = wiphy_priv(wiphy);
79f460ca 2211
0d440ea2 2212 if (!local->ops->sched_scan_stop)
79f460ca
LC		 2213 return -EOPNOTSUPP;
2214
0d440ea2 2215 return ieee80211_request_sched_scan_stop(local);
79f460ca
LC		 2216}
2217
636a5d36
JM		 2218static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2219 struct cfg80211_auth_request *req)
2220{
77fdaa12 2221 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2222}
2223
2224static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2225 struct cfg80211_assoc_request *req)
2226{
77fdaa12 2227 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2228}
2229
2230static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2231 struct cfg80211_deauth_request *req)
636a5d36 2232{
63c9c5e7 2233 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2234}
2235
2236static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2237 struct cfg80211_disassoc_request *req)
636a5d36 2238{
63c9c5e7 2239 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2240}
2241
af8cdcd8
JB		 2242static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2243 struct cfg80211_ibss_params *params)
2244{
55de908a 2245 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2246}
2247
2248static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2249{
55de908a 2250 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2251}
2252
239281f8
RL		 2253static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2254 struct ocb_setup *setup)
2255{
2256 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2257}
2258
2259static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2260{
2261 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2262}
2263
391e53e3 2264static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
57fbcce3 2265 int rate[NUM_NL80211_BANDS])
391e53e3
AQ		 2266{
2267 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2268
9887dbf5 2269 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
57fbcce3 2270 sizeof(int) * NUM_NL80211_BANDS);
391e53e3
AQ		 2271
2272 return 0;
2273}
2274
b9a5f8ca
JM		 2275static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2276{
2277 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2278 int err;
b9a5f8ca 2279
f23a4780 2280 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2281 ieee80211_check_fast_xmit_all(local);
2282
f23a4780
AN		 2283 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2284
17c18bf8
JB		 2285 if (err) {
2286 ieee80211_check_fast_xmit_all(local);
f23a4780 2287 return err;
17c18bf8 2288 }
f23a4780
AN		 2289 }
2290
a4bcaf55
LB		 2291 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2292 (changed & WIPHY_PARAM_DYN_ACK)) {
2293 s16 coverage_class;
2294
2295 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2296 wiphy->coverage_class : -1;
2297 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2298
2299 if (err)
2300 return err;
2301 }
2302
b9a5f8ca 2303 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2304 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2305
24487981
JB		 2306 if (err)
2307 return err;
b9a5f8ca
JM		 2308 }
2309
8bc83c24
JB		 2310 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2311 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2312 return -EINVAL;
b9a5f8ca 2313 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2314 }
2315 if (changed & WIPHY_PARAM_RETRY_LONG) {
2316 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2317 return -EINVAL;
b9a5f8ca 2318 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2319 }
b9a5f8ca
JM		 2320 if (changed &
2321 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2322 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2323
2324 return 0;
2325}
2326
7643a2c3 2327static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2328 struct wireless_dev *wdev,
fa61cf70 2329 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2330{
2331 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2332 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2333 enum nl80211_tx_power_setting txp_type = type;
2334 bool update_txp_type = false;
beb30e94 2335 bool has_monitor = false;
7643a2c3 2336
1ea6f9c0
JB		 2337 if (wdev) {
2338 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2339
beb30e94
PG		 2340 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2341 sdata = rtnl_dereference(local->monitor_sdata);
2342 if (!sdata)
2343 return -EOPNOTSUPP;
2344 }
2345
1ea6f9c0
JB		 2346 switch (type) {
2347 case NL80211_TX_POWER_AUTOMATIC:
2348 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2349 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2350 break;
2351 case NL80211_TX_POWER_LIMITED:
2352 case NL80211_TX_POWER_FIXED:
2353 if (mbm < 0 || (mbm % 100))
2354 return -EOPNOTSUPP;
2355 sdata->user_power_level = MBM_TO_DBM(mbm);
2356 break;
2357 }
2358
db82d8a9
LB		 2359 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2360 update_txp_type = true;
2361 sdata->vif.bss_conf.txpower_type = txp_type;
2362 }
2363
2364 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2365
2366 return 0;
2367 }
55de908a 2368
7643a2c3 2369 switch (type) {
fa61cf70 2370 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2371 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2372 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2373 break;
fa61cf70 2374 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2375 case NL80211_TX_POWER_FIXED:
2376 if (mbm < 0 || (mbm % 100))
2377 return -EOPNOTSUPP;
fa61cf70 2378 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2379 break;
7643a2c3
JB		 2380 }
2381
1ea6f9c0 2382 mutex_lock(&local->iflist_mtx);
db82d8a9 2383 list_for_each_entry(sdata, &local->interfaces, list) {
beb30e94
PG		 2384 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2385 has_monitor = true;
2386 continue;
2387 }
1ea6f9c0 2388 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2389 if (txp_type != sdata->vif.bss_conf.txpower_type)
2390 update_txp_type = true;
2391 sdata->vif.bss_conf.txpower_type = txp_type;
2392 }
beb30e94
PG		 2393 list_for_each_entry(sdata, &local->interfaces, list) {
2394 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2395 continue;
db82d8a9 2396 ieee80211_recalc_txpower(sdata, update_txp_type);
beb30e94 2397 }
1ea6f9c0 2398 mutex_unlock(&local->iflist_mtx);
7643a2c3 2399
beb30e94
PG		 2400 if (has_monitor) {
2401 sdata = rtnl_dereference(local->monitor_sdata);
2402 if (sdata) {
2403 sdata->user_power_level = local->user_power_level;
2404 if (txp_type != sdata->vif.bss_conf.txpower_type)
2405 update_txp_type = true;
2406 sdata->vif.bss_conf.txpower_type = txp_type;
2407
2408 ieee80211_recalc_txpower(sdata, update_txp_type);
2409 }
2410 }
2411
7643a2c3
JB		 2412 return 0;
2413}
2414
c8442118
JB		 2415static int ieee80211_get_tx_power(struct wiphy *wiphy,
2416 struct wireless_dev *wdev,
2417 int *dbm)
7643a2c3
JB		 2418{
2419 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2420 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2421
5b3dc42b
FF		 2422 if (local->ops->get_txpower)
2423 return drv_get_txpower(local, sdata, dbm);
2424
1ea6f9c0
JB		 2425 if (!local->use_chanctx)
2426 *dbm = local->hw.conf.power_level;
2427 else
2428 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2429
7643a2c3
JB		 2430 return 0;
2431}
2432
ab737a4f 2433static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2434 const u8 *addr)
ab737a4f
JB		 2435{
2436 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2437
2438 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2439
2440 return 0;
2441}
2442
1f87f7d3
JB		 2443static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2444{
2445 struct ieee80211_local *local = wiphy_priv(wiphy);
2446
2447 drv_rfkill_poll(local);
2448}
2449
aff89a9b 2450#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2451static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2452 struct wireless_dev *wdev,
2453 void *data, int len)
aff89a9b
JB		 2454{
2455 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2456 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2457
2458 if (!local->ops->testmode_cmd)
2459 return -EOPNOTSUPP;
2460
52981cd7
DS		 2461 if (wdev) {
2462 struct ieee80211_sub_if_data *sdata;
2463
2464 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2465 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2466 vif = &sdata->vif;
2467 }
2468
2469 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2470}
71063f0e
WYG		 2471
2472static int ieee80211_testmode_dump(struct wiphy *wiphy,
2473 struct sk_buff *skb,
2474 struct netlink_callback *cb,
2475 void *data, int len)
2476{
2477 struct ieee80211_local *local = wiphy_priv(wiphy);
2478
2479 if (!local->ops->testmode_dump)
2480 return -EOPNOTSUPP;
2481
2482 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2483}
aff89a9b
JB		 2484#endif
2485
687da132
EG		 2486int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2487 enum ieee80211_smps_mode smps_mode)
2488{
2489 struct sta_info *sta;
2490 enum ieee80211_smps_mode old_req;
687da132
EG		 2491
2492 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2493 return -EINVAL;
2494
2495 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2496 return 0;
2497
2498 old_req = sdata->u.ap.req_smps;
2499 sdata->u.ap.req_smps = smps_mode;
2500
2501 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2502 if (old_req == smps_mode ||
2503 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2504 return 0;
2505
687da132 2506 ht_dbg(sdata,
6a8b4adb 2507 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2508 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2509
2510 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2511 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2512 /*
2513 * Only stations associated to our AP and
2514 * associated VLANs
2515 */
2516 if (sta->sdata->bss != &sdata->u.ap)
2517 continue;
687da132 2518
7d9bb2f0
JB		 2519 /* This station doesn't support MIMO - skip it */
2520 if (sta_info_tx_streams(sta) == 1)
2521 continue;
687da132 2522
7d9bb2f0
JB		 2523 /*
2524 * Don't wake up a STA just to send the action frame
2525 * unless we are getting more restrictive.
2526 */
2527 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2528 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2529 smps_mode)) {
2530 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2531 sta->sta.addr);
2532 continue;
2533 }
687da132 2534
7d9bb2f0
JB		 2535 /*
2536 * If the STA is not authorized, wait until it gets
2537 * authorized and the action frame will be sent then.
2538 */
2539 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2540 continue;
687da132 2541
7d9bb2f0
JB		 2542 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2543 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2544 sdata->vif.bss_conf.bssid);
687da132
EG		 2545 }
2546 mutex_unlock(&sdata->local->sta_mtx);
2547
2548 sdata->smps_mode = smps_mode;
2549 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2550
2551 return 0;
2552}
2553
2554int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2555 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2556{
2557 const u8 *ap;
2558 enum ieee80211_smps_mode old_req;
2559 int err;
d51c2ea3
AN		 2560 struct sta_info *sta;
2561 bool tdls_peer_found = false;
0f78231b 2562
8d61ffa5 2563 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2564
687da132
EG		 2565 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2566 return -EINVAL;
2567
0f78231b
JB		 2568 old_req = sdata->u.mgd.req_smps;
2569 sdata->u.mgd.req_smps = smps_mode;
2570
2571 if (old_req == smps_mode &&
2572 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2573 return 0;
2574
2575 /*
2576 * If not associated, or current association is not an HT
04ecd257
JB		 2577 * association, there's no need to do anything, just store
2578 * the new value until we associate.
0f78231b
JB		 2579 */
2580 if (!sdata->u.mgd.associated ||
4bf88530 2581 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2582 return 0;
0f78231b 2583
0c1ad2ca 2584 ap = sdata->u.mgd.associated->bssid;
0f78231b 2585
d51c2ea3
AN		 2586 rcu_read_lock();
2587 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2588 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2589 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2590 continue;
2591
2592 tdls_peer_found = true;
2593 break;
2594 }
2595 rcu_read_unlock();
2596
0f78231b 2597 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
d51c2ea3 2598 if (tdls_peer_found || !sdata->u.mgd.powersave)
0f78231b 2599 smps_mode = IEEE80211_SMPS_OFF;
d51c2ea3
AN		 2600 else
2601 smps_mode = IEEE80211_SMPS_DYNAMIC;
0f78231b
JB		 2602 }
2603
2604 /* send SM PS frame to AP */
2605 err = ieee80211_send_smps_action(sdata, smps_mode,
2606 ap, ap);
2607 if (err)
2608 sdata->u.mgd.req_smps = old_req;
d51c2ea3
AN		 2609 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2610 ieee80211_teardown_tdls_peers(sdata);
0f78231b
JB		 2611
2612 return err;
2613}
2614
bc92afd9
JB		 2615static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2616 bool enabled, int timeout)
2617{
2618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2619 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2620
2d3db210 2621 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2622 return -EOPNOTSUPP;
2623
30686bf7 2624 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
bc92afd9
JB		 2625 return -EOPNOTSUPP;
2626
2627 if (enabled == sdata->u.mgd.powersave &&
ff616381 2628 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2629 return 0;
2630
2631 sdata->u.mgd.powersave = enabled;
ff616381 2632 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2633
0f78231b 2634 /* no change, but if automatic follow powersave */
ed405be5 2635 sdata_lock(sdata);
687da132 2636 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2637 sdata_unlock(sdata);
0f78231b 2638
30686bf7 2639 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
bc92afd9
JB		 2640 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2641
4a733ef1 2642 ieee80211_recalc_ps(local);
ab095877 2643 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2644
2645 return 0;
2646}
2647
a97c13c3
JO		 2648static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2649 struct net_device *dev,
2650 s32 rssi_thold, u32 rssi_hyst)
2651{
2652 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2653 struct ieee80211_vif *vif = &sdata->vif;
2654 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2655
a97c13c3
JO		 2656 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2657 rssi_hyst == bss_conf->cqm_rssi_hyst)
2658 return 0;
2659
ef9be10c
JB		 2660 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2661 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2662 return -EOPNOTSUPP;
2663
a97c13c3
JO		 2664 bss_conf->cqm_rssi_thold = rssi_thold;
2665 bss_conf->cqm_rssi_hyst = rssi_hyst;
2c3c5f8c
AZ		 2666 bss_conf->cqm_rssi_low = 0;
2667 bss_conf->cqm_rssi_high = 0;
2668 sdata->u.mgd.last_cqm_event_signal = 0;
2669
2670 /* tell the driver upon association, unless already associated */
2671 if (sdata->u.mgd.associated &&
2672 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2673 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2674
2675 return 0;
2676}
2677
2678static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2679 struct net_device *dev,
2680 s32 rssi_low, s32 rssi_high)
2681{
2682 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2683 struct ieee80211_vif *vif = &sdata->vif;
2684 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2685
2686 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2687 return -EOPNOTSUPP;
2688
2689 bss_conf->cqm_rssi_low = rssi_low;
2690 bss_conf->cqm_rssi_high = rssi_high;
2691 bss_conf->cqm_rssi_thold = 0;
2692 bss_conf->cqm_rssi_hyst = 0;
babc305e 2693 sdata->u.mgd.last_cqm_event_signal = 0;
a97c13c3
JO		 2694
2695 /* tell the driver upon association, unless already associated */
ea086359
JB		 2696 if (sdata->u.mgd.associated &&
2697 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2698 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2699
2700 return 0;
2701}
2702
9930380f
JB		 2703static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2704 struct net_device *dev,
2705 const u8 *addr,
2706 const struct cfg80211_bitrate_mask *mask)
2707{
2708 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2709 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2710 int i, ret;
2c7e6bc9 2711
554a43d5
EP		 2712 if (!ieee80211_sdata_running(sdata))
2713 return -ENETDOWN;
2714
e8e4f528
JB		 2715 /*
2716 * If active validate the setting and reject it if it doesn't leave
2717 * at least one basic rate usable, since we really have to be able
2718 * to send something, and if we're an AP we have to be able to do
2719 * so at a basic rate so that all clients can receive it.
2720 */
2721 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2722 sdata->vif.bss_conf.chandef.chan) {
2723 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2724 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2725
2726 if (!(mask->control[band].legacy & basic_rates))
2727 return -EINVAL;
2728 }
2729
e5f5ce37
JB		 2730 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2731 ret = drv_set_bitrate_mask(local, sdata, mask);
2732 if (ret)
2733 return ret;
2734 }
2735
57fbcce3 2736 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2ffbe6d3
FF		 2737 struct ieee80211_supported_band *sband = wiphy->bands[i];
2738 int j;
2739
37eb0b16 2740 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2741 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2742 sizeof(mask->control[i].ht_mcs));
b119ad6e
LB		 2743 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2744 mask->control[i].vht_mcs,
2745 sizeof(mask->control[i].vht_mcs));
2ffbe6d3
FF		 2746
2747 sdata->rc_has_mcs_mask[i] = false;
b119ad6e 2748 sdata->rc_has_vht_mcs_mask[i] = false;
2ffbe6d3
FF		 2749 if (!sband)
2750 continue;
2751
b119ad6e 2752 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2df1b131 2753 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2ffbe6d3 2754 sdata->rc_has_mcs_mask[i] = true;
2df1b131
JB		 2755 break;
2756 }
2757 }
b119ad6e 2758
2df1b131
JB		 2759 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2760 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
b119ad6e 2761 sdata->rc_has_vht_mcs_mask[i] = true;
2ffbe6d3 2762 break;
2df1b131 2763 }
b119ad6e 2764 }
19468413 2765 }
9930380f 2766
37eb0b16 2767 return 0;
9930380f
JB		 2768}
2769
164eb02d
SW		 2770static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2771 struct net_device *dev,
31559f35
JD		 2772 struct cfg80211_chan_def *chandef,
2773 u32 cac_time_ms)
164eb02d
SW		 2774{
2775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2776 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2777 int err;
2778
34a3740d
JB		 2779 mutex_lock(&local->mtx);
2780 if (!list_empty(&local->roc_list) || local->scanning) {
2781 err = -EBUSY;
2782 goto out_unlock;
2783 }
164eb02d
SW		 2784
2785 /* whatever, but channel contexts should not complain about that one */
2786 sdata->smps_mode = IEEE80211_SMPS_OFF;
2787 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2788
164eb02d
SW		 2789 err = ieee80211_vif_use_channel(sdata, chandef,
2790 IEEE80211_CHANCTX_SHARED);
164eb02d 2791 if (err)
34a3740d 2792 goto out_unlock;
164eb02d 2793
164eb02d 2794 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2795 &sdata->dfs_cac_timer_work,
2796 msecs_to_jiffies(cac_time_ms));
164eb02d 2797
34a3740d
JB		 2798 out_unlock:
2799 mutex_unlock(&local->mtx);
2800 return err;
164eb02d
SW		 2801}
2802
927ffcc8
OM		 2803static void ieee80211_end_cac(struct wiphy *wiphy,
2804 struct net_device *dev)
2805{
2806 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2807 struct ieee80211_local *local = sdata->local;
2808
2809 mutex_lock(&local->mtx);
2810 list_for_each_entry(sdata, &local->interfaces, list) {
2811 /* it might be waiting for the local->mtx, but then
2812 * by the time it gets it, sdata->wdev.cac_started
2813 * will no longer be true
2814 */
2815 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2816
2817 if (sdata->wdev.cac_started) {
2818 ieee80211_vif_release_channel(sdata);
2819 sdata->wdev.cac_started = false;
2820 }
2821 }
2822 mutex_unlock(&local->mtx);
2823}
2824
73da7d5b
SW		 2825static struct cfg80211_beacon_data *
2826cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2827{
2828 struct cfg80211_beacon_data *new_beacon;
2829 u8 *pos;
2830 int len;
2831
2832 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2833 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2834 beacon->probe_resp_len;
2835
2836 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2837 if (!new_beacon)
2838 return NULL;
2839
2840 pos = (u8 *)(new_beacon + 1);
2841 if (beacon->head_len) {
2842 new_beacon->head_len = beacon->head_len;
2843 new_beacon->head = pos;
2844 memcpy(pos, beacon->head, beacon->head_len);
2845 pos += beacon->head_len;
2846 }
2847 if (beacon->tail_len) {
2848 new_beacon->tail_len = beacon->tail_len;
2849 new_beacon->tail = pos;
2850 memcpy(pos, beacon->tail, beacon->tail_len);
2851 pos += beacon->tail_len;
2852 }
2853 if (beacon->beacon_ies_len) {
2854 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2855 new_beacon->beacon_ies = pos;
2856 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2857 pos += beacon->beacon_ies_len;
2858 }
2859 if (beacon->proberesp_ies_len) {
2860 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2861 new_beacon->proberesp_ies = pos;
2862 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2863 pos += beacon->proberesp_ies_len;
2864 }
2865 if (beacon->assocresp_ies_len) {
2866 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2867 new_beacon->assocresp_ies = pos;
2868 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2869 pos += beacon->assocresp_ies_len;
2870 }
2871 if (beacon->probe_resp_len) {
2872 new_beacon->probe_resp_len = beacon->probe_resp_len;
2019527f 2873 new_beacon->probe_resp = pos;
73da7d5b
SW		 2874 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2875 pos += beacon->probe_resp_len;
2876 }
2877
2878 return new_beacon;
2879}
2880
66e01cf9 2881void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2882{
66e01cf9 2883 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2884
66e01cf9
LC		 2885 ieee80211_queue_work(&sdata->local->hw,
2886 &sdata->csa_finalize_work);
2887}
2888EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2889
66199506
MK		 2890static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2891 u32 *changed)
66e01cf9 2892{
66199506 2893 int err;
7578d575 2894
cd7760e6
SW		 2895 switch (sdata->vif.type) {
2896 case NL80211_IFTYPE_AP:
af296bdb
MK		 2897 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2898 NULL);
97518af1
MK		 2899 kfree(sdata->u.ap.next_beacon);
2900 sdata->u.ap.next_beacon = NULL;
2901
cd7760e6 2902 if (err < 0)
66199506
MK		 2903 return err;
2904 *changed |= err;
cd7760e6
SW		 2905 break;
2906 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2907 err = ieee80211_ibss_finish_csa(sdata);
2908 if (err < 0)
66199506
MK		 2909 return err;
2910 *changed |= err;
cd7760e6 2911 break;
b8456a14
CYY		 2912#ifdef CONFIG_MAC80211_MESH
2913 case NL80211_IFTYPE_MESH_POINT:
2914 err = ieee80211_mesh_finish_csa(sdata);
2915 if (err < 0)
66199506
MK		 2916 return err;
2917 *changed |= err;
b8456a14
CYY		 2918 break;
2919#endif
cd7760e6
SW		 2920 default:
2921 WARN_ON(1);
66199506
MK		 2922 return -EINVAL;
2923 }
2924
2925 return 0;
2926}
2927
cf8767dd 2928static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2929{
2930 struct ieee80211_local *local = sdata->local;
2931 u32 changed = 0;
2932 int err;
2933
2934 sdata_assert_lock(sdata);
2935 lockdep_assert_held(&local->mtx);
03078de4 2936 lockdep_assert_held(&local->chanctx_mtx);
66199506 2937
03078de4
MK		 2938 /*
2939 * using reservation isn't immediate as it may be deferred until later
2940 * with multi-vif. once reservation is complete it will re-schedule the
2941 * work with no reserved_chanctx so verify chandef to check if it
2942 * completed successfully
2943 */
66199506 2944
03078de4
MK		 2945 if (sdata->reserved_chanctx) {
2946 /*
2947 * with multi-vif csa driver may call ieee80211_csa_finish()
2948 * many times while waiting for other interfaces to use their
2949 * reservations
2950 */
2951 if (sdata->reserved_ready)
2952 return 0;
2953
408b18ab 2954 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2955 }
73da7d5b 2956
03078de4
MK		 2957 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2958 &sdata->csa_chandef))
2959 return -EINVAL;
2960
66199506
MK		 2961 sdata->vif.csa_active = false;
2962
2963 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2964 if (err)
cf8767dd 2965 return err;
faf046e7 2966
66199506 2967 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2968
a46992b4
LC		 2969 if (sdata->csa_block_tx) {
2970 ieee80211_wake_vif_queues(local, sdata,
2971 IEEE80211_QUEUE_STOP_REASON_CSA);
2972 sdata->csa_block_tx = false;
2973 }
cf8767dd 2974
f1d65583
LC		 2975 err = drv_post_channel_switch(sdata);
2976 if (err)
2977 return err;
2978
2979 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2980
cf8767dd
MK		 2981 return 0;
2982}
2983
2984static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2985{
2986 if (__ieee80211_csa_finalize(sdata)) {
2987 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2988 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2989 GFP_KERNEL);
2990 }
66e01cf9
LC		 2991}
2992
2993void ieee80211_csa_finalize_work(struct work_struct *work)
2994{
2995 struct ieee80211_sub_if_data *sdata =
2996 container_of(work, struct ieee80211_sub_if_data,
2997 csa_finalize_work);
59af6928 2998 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 2999
3000 sdata_lock(sdata);
59af6928 3001 mutex_lock(&local->mtx);
03078de4 3002 mutex_lock(&local->chanctx_mtx);
59af6928 3003
66e01cf9
LC		 3004 /* AP might have been stopped while waiting for the lock. */
3005 if (!sdata->vif.csa_active)
3006 goto unlock;
3007
3008 if (!ieee80211_sdata_running(sdata))
3009 goto unlock;
3010
3011 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3012
3013unlock:
03078de4 3014 mutex_unlock(&local->chanctx_mtx);
59af6928 3015 mutex_unlock(&local->mtx);
e487eaeb 3016 sdata_unlock(sdata);
73da7d5b
SW		 3017}
3018
37fa2bdd
MK		 3019static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3020 struct cfg80211_csa_settings *params,
3021 u32 *changed)
73da7d5b 3022{
af296bdb 3023 struct ieee80211_csa_settings csa = {};
37fa2bdd 3024 int err;
73da7d5b 3025
73da7d5b
SW		 3026 switch (sdata->vif.type) {
3027 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3028 sdata->u.ap.next_beacon =
3029 cfg80211_beacon_dup(&params->beacon_after);
3030 if (!sdata->u.ap.next_beacon)
3031 return -ENOMEM;
3032
66e01cf9
LC		 3033 /*
3034 * With a count of 0, we don't have to wait for any
3035 * TBTT before switching, so complete the CSA
3036 * immediately. In theory, with a count == 1 we
3037 * should delay the switch until just before the next
3038 * TBTT, but that would complicate things so we switch
3039 * immediately too. If we would delay the switch
3040 * until the next TBTT, we would have to set the probe
3041 * response here.
3042 *
3043 * TODO: A channel switch with count <= 1 without
3044 * sending a CSA action frame is kind of useless,
3045 * because the clients won't know we're changing
3046 * channels. The action frame must be implemented
3047 * either here or in the userspace.
3048 */
3049 if (params->count <= 1)
3050 break;
3051
0d06d9ba
AO		 3052 if ((params->n_counter_offsets_beacon >
3053 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3054 (params->n_counter_offsets_presp >
3055 IEEE80211_MAX_CSA_COUNTERS_NUM))
3056 return -EINVAL;
9a774c78 3057
af296bdb
MK		 3058 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3059 csa.counter_offsets_presp = params->counter_offsets_presp;
3060 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3061 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3062 csa.count = params->count;
9a774c78 3063
af296bdb 3064 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3065 if (err < 0) {
3066 kfree(sdata->u.ap.next_beacon);
3067 return err;
3068 }
37fa2bdd 3069 *changed |= err;
66e01cf9 3070
cd7760e6
SW		 3071 break;
3072 case NL80211_IFTYPE_ADHOC:
3073 if (!sdata->vif.bss_conf.ibss_joined)
3074 return -EINVAL;
3075
3076 if (params->chandef.width != sdata->u.ibss.chandef.width)
3077 return -EINVAL;
3078
3079 switch (params->chandef.width) {
3080 case NL80211_CHAN_WIDTH_40:
3081 if (cfg80211_get_chandef_type(&params->chandef) !=
3082 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3083 return -EINVAL;
3084 case NL80211_CHAN_WIDTH_5:
3085 case NL80211_CHAN_WIDTH_10:
3086 case NL80211_CHAN_WIDTH_20_NOHT:
3087 case NL80211_CHAN_WIDTH_20:
3088 break;
3089 default:
3090 return -EINVAL;
3091 }
3092
3093 /* changes into another band are not supported */
3094 if (sdata->u.ibss.chandef.chan->band !=
3095 params->chandef.chan->band)
3096 return -EINVAL;
3097
66e01cf9
LC		 3098 /* see comments in the NL80211_IFTYPE_AP block */
3099 if (params->count > 1) {
3100 err = ieee80211_ibss_csa_beacon(sdata, params);
3101 if (err < 0)
3102 return err;
37fa2bdd 3103 *changed |= err;
66e01cf9
LC		 3104 }
3105
3106 ieee80211_send_action_csa(sdata, params);
3107
73da7d5b 3108 break;
c6da674a 3109#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3110 case NL80211_IFTYPE_MESH_POINT: {
3111 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3112
c6da674a
CYY		 3113 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3114 return -EINVAL;
3115
3116 /* changes into another band are not supported */
3117 if (sdata->vif.bss_conf.chandef.chan->band !=
3118 params->chandef.chan->band)
3119 return -EINVAL;
3120
c782bf8c 3121 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3122 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3123 if (!ifmsh->pre_value)
3124 ifmsh->pre_value = 1;
3125 else
3126 ifmsh->pre_value++;
3127 }
0cb4d4dc 3128
66e01cf9
LC		 3129 /* see comments in the NL80211_IFTYPE_AP block */
3130 if (params->count > 1) {
3131 err = ieee80211_mesh_csa_beacon(sdata, params);
3132 if (err < 0) {
3133 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3134 return err;
3135 }
37fa2bdd 3136 *changed |= err;
3f718fd8 3137 }
66e01cf9
LC		 3138
3139 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3140 ieee80211_send_action_csa(sdata, params);
3141
c6da674a 3142 break;
37fa2bdd 3143 }
c6da674a 3144#endif
73da7d5b
SW		 3145 default:
3146 return -EOPNOTSUPP;
3147 }
3148
37fa2bdd
MK		 3149 return 0;
3150}
3151
f29f58a9
LC		 3152static int
3153__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3154 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3155{
3156 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3157 struct ieee80211_local *local = sdata->local;
6d027bcc 3158 struct ieee80211_channel_switch ch_switch;
2b32713d 3159 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3160 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3161 u32 changed = 0;
3162 int err;
37fa2bdd
MK		 3163
3164 sdata_assert_lock(sdata);
59af6928 3165 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3166
3167 if (!list_empty(&local->roc_list) || local->scanning)
3168 return -EBUSY;
3169
3170 if (sdata->wdev.cac_started)
3171 return -EBUSY;
3172
3173 if (cfg80211_chandef_identical(&params->chandef,
3174 &sdata->vif.bss_conf.chandef))
3175 return -EINVAL;
3176
03078de4
MK		 3177 /* don't allow another channel switch if one is already active. */
3178 if (sdata->vif.csa_active)
3179 return -EBUSY;
3180
2b32713d
MK		 3181 mutex_lock(&local->chanctx_mtx);
3182 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3183 lockdep_is_held(&local->chanctx_mtx));
3184 if (!conf) {
03078de4
MK		 3185 err = -EBUSY;
3186 goto out;
37fa2bdd
MK		 3187 }
3188
2b32713d 3189 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
37fa2bdd 3190
000baa5d
LC		 3191 ch_switch.timestamp = 0;
3192 ch_switch.device_timestamp = 0;
3193 ch_switch.block_tx = params->block_tx;
3194 ch_switch.chandef = params->chandef;
3195 ch_switch.count = params->count;
3196
6d027bcc
LC		 3197 err = drv_pre_channel_switch(sdata, &ch_switch);
3198 if (err)
3199 goto out;
3200
03078de4
MK		 3201 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3202 chanctx->mode,
3203 params->radar_required);
3204 if (err)
3205 goto out;
37fa2bdd 3206
03078de4
MK		 3207 /* if reservation is invalid then this will fail */
3208 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3209 if (err) {
3210 ieee80211_vif_unreserve_chanctx(sdata);
3211 goto out;
3212 }
37fa2bdd
MK		 3213
3214 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3215 if (err) {
3216 ieee80211_vif_unreserve_chanctx(sdata);
3217 goto out;
3218 }
37fa2bdd 3219
33787fc4 3220 sdata->csa_chandef = params->chandef;
59af6928 3221 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3222 sdata->vif.csa_active = true;
3223
59af6928 3224 if (sdata->csa_block_tx)
a46992b4
LC		 3225 ieee80211_stop_vif_queues(local, sdata,
3226 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3227
2f457293
LC		 3228 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3229 params->count);
3230
66e01cf9
LC		 3231 if (changed) {
3232 ieee80211_bss_info_change_notify(sdata, changed);
3233 drv_channel_switch_beacon(sdata, &params->chandef);
3234 } else {
3235 /* if the beacon didn't change, we can finalize immediately */
3236 ieee80211_csa_finalize(sdata);
3237 }
73da7d5b 3238
03078de4
MK		 3239out:
3240 mutex_unlock(&local->chanctx_mtx);
3241 return err;
73da7d5b
SW		 3242}
3243
59af6928
MK		 3244int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3245 struct cfg80211_csa_settings *params)
3246{
3247 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3248 struct ieee80211_local *local = sdata->local;
3249 int err;
3250
3251 mutex_lock(&local->mtx);
3252 err = __ieee80211_channel_switch(wiphy, dev, params);
3253 mutex_unlock(&local->mtx);
3254
3255 return err;
3256}
3257
a2fcfccb
JB		 3258u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3259{
3260 lockdep_assert_held(&local->mtx);
3261
3262 local->roc_cookie_counter++;
3263
3264 /* wow, you wrapped 64 bits ... more likely a bug */
3265 if (WARN_ON(local->roc_cookie_counter == 0))
3266 local->roc_cookie_counter++;
3267
3268 return local->roc_cookie_counter;
3269}
3270
5ee00dbd
JB		 3271int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3272 u64 *cookie, gfp_t gfp)
3b79af97
JB		 3273{
3274 unsigned long spin_flags;
3275 struct sk_buff *ack_skb;
3276 int id;
3277
3278 ack_skb = skb_copy(skb, gfp);
3279 if (!ack_skb)
5ee00dbd 3280 return -ENOMEM;
3b79af97
JB		 3281
3282 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3283 id = idr_alloc(&local->ack_status_frames, ack_skb,
3284 1, 0x10000, GFP_ATOMIC);
3285 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3286
3287 if (id < 0) {
3288 kfree_skb(ack_skb);
5ee00dbd 3289 return -ENOMEM;
3b79af97
JB		 3290 }
3291
3292 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3293
3294 *cookie = ieee80211_mgmt_tx_cookie(local);
3295 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3296
5ee00dbd 3297 return 0;
3b79af97
JB		 3298}
3299
7be5086d 3300static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3301 struct wireless_dev *wdev,
7be5086d
JB		 3302 u16 frame_type, bool reg)
3303{
3304 struct ieee80211_local *local = wiphy_priv(wiphy);
1b09b556 3305 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 3306
6abe0563 3307 switch (frame_type) {
6abe0563 3308 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
1b09b556 3309 if (reg) {
6abe0563 3310 local->probe_req_reg++;
1b09b556
AO		 3311 sdata->vif.probe_req_reg++;
3312 } else {
3313 if (local->probe_req_reg)
3314 local->probe_req_reg--;
3315
3316 if (sdata->vif.probe_req_reg)
3317 sdata->vif.probe_req_reg--;
3318 }
7be5086d 3319
35f5149e
FF		 3320 if (!local->open_count)
3321 break;
3322
1b09b556
AO		 3323 if (sdata->vif.probe_req_reg == 1)
3324 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3325 FIF_PROBE_REQ);
3326 else if (sdata->vif.probe_req_reg == 0)
3327 drv_config_iface_filter(local, sdata, 0,
3328 FIF_PROBE_REQ);
3329
3330 ieee80211_configure_filter(local);
6abe0563
WH		 3331 break;
3332 default:
3333 break;
3334 }
7be5086d
JB		 3335}
3336
15d96753
BR		 3337static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3338{
3339 struct ieee80211_local *local = wiphy_priv(wiphy);
3340
3341 if (local->started)
3342 return -EOPNOTSUPP;
3343
3344 return drv_set_antenna(local, tx_ant, rx_ant);
3345}
3346
3347static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3348{
3349 struct ieee80211_local *local = wiphy_priv(wiphy);
3350
3351 return drv_get_antenna(local, tx_ant, rx_ant);
3352}
3353
c68f4b89
JB		 3354static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3355 struct net_device *dev,
3356 struct cfg80211_gtk_rekey_data *data)
3357{
3358 struct ieee80211_local *local = wiphy_priv(wiphy);
3359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3360
3361 if (!local->ops->set_rekey_data)
3362 return -EOPNOTSUPP;
3363
3364 drv_set_rekey_data(local, sdata, data);
3365
3366 return 0;
3367}
3368
06500736
JB		 3369static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3370 const u8 *peer, u64 *cookie)
3371{
3372 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3373 struct ieee80211_local *local = sdata->local;
3374 struct ieee80211_qos_hdr *nullfunc;
5ee00dbd 3375 struct sk_buff *skb;
06500736
JB		 3376 int size = sizeof(*nullfunc);
3377 __le16 fc;
3378 bool qos;
3379 struct ieee80211_tx_info *info;
3380 struct sta_info *sta;
55de908a 3381 struct ieee80211_chanctx_conf *chanctx_conf;
57fbcce3 3382 enum nl80211_band band;
3b79af97
JB		 3383 int ret;
3384
3385 /* the lock is needed to assign the cookie later */
3386 mutex_lock(&local->mtx);
06500736
JB		 3387
3388 rcu_read_lock();
55de908a
JB		 3389 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3390 if (WARN_ON(!chanctx_conf)) {
3b79af97
JB		 3391 ret = -EINVAL;
3392 goto unlock;
55de908a 3393 }
4bf88530 3394 band = chanctx_conf->def.chan->band;
03bb7f42 3395 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3396 if (sta) {
a74a8c84 3397 qos = sta->sta.wme;
b4487c2d 3398 } else {
3b79af97
JB		 3399 ret = -ENOLINK;
3400 goto unlock;
b4487c2d 3401 }
06500736
JB		 3402
3403 if (qos) {
3404 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3405 IEEE80211_STYPE_QOS_NULLFUNC |
3406 IEEE80211_FCTL_FROMDS);
3407 } else {
3408 size -= 2;
3409 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3410 IEEE80211_STYPE_NULLFUNC |
3411 IEEE80211_FCTL_FROMDS);
3412 }
3413
3414 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a 3415 if (!skb) {
3b79af97
JB		 3416 ret = -ENOMEM;
3417 goto unlock;
55de908a 3418 }
06500736
JB		 3419
3420 skb->dev = dev;
3421
3422 skb_reserve(skb, local->hw.extra_tx_headroom);
3423
4df864c1 3424 nullfunc = skb_put(skb, size);
06500736
JB		 3425 nullfunc->frame_control = fc;
3426 nullfunc->duration_id = 0;
3427 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3428 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3429 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3430 nullfunc->seq_ctrl = 0;
3431
3432 info = IEEE80211_SKB_CB(skb);
3433
3434 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3435 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3436 info->band = band;
06500736
JB		 3437
3438 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3439 skb->priority = 7;
3440 if (qos)
3441 nullfunc->qos_ctrl = cpu_to_le16(7);
3442
5ee00dbd
JB		 3443 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3444 if (ret) {
3b79af97 3445 kfree_skb(skb);
3b79af97
JB		 3446 goto unlock;
3447 }
3448
06500736 3449 local_bh_disable();
7c10770f 3450 ieee80211_xmit(sdata, sta, skb);
06500736 3451 local_bh_enable();
3b79af97
JB		 3452
3453 ret = 0;
3454unlock:
55de908a 3455 rcu_read_unlock();
3b79af97 3456 mutex_unlock(&local->mtx);
06500736 3457
3b79af97 3458 return ret;
06500736
JB		 3459}
3460
683b6d3b
JB		 3461static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3462 struct wireless_dev *wdev,
3463 struct cfg80211_chan_def *chandef)
5b7ccaf3 3464{
55de908a 3465 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3466 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3467 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3468 int ret = -ENODATA;
55de908a
JB		 3469
3470 rcu_read_lock();
feda3027
JB		 3471 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3472 if (chanctx_conf) {
c12bc488 3473 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3474 ret = 0;
3475 } else if (local->open_count > 0 &&
3476 local->open_count == local->monitors &&
3477 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3478 if (local->use_chanctx)
3479 *chandef = local->monitor_chandef;
3480 else
675a0b04 3481 *chandef = local->_oper_chandef;
683b6d3b 3482 ret = 0;
55de908a
JB		 3483 }
3484 rcu_read_unlock();
5b7ccaf3 3485
683b6d3b 3486 return ret;
5b7ccaf3
JB		 3487}
3488
6d52563f
JB		 3489#ifdef CONFIG_PM
3490static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3491{
3492 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3493}
3494#endif
3495
32db6b54
KP		 3496static int ieee80211_set_qos_map(struct wiphy *wiphy,
3497 struct net_device *dev,
3498 struct cfg80211_qos_map *qos_map)
3499{
3500 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3501 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3502
3503 if (qos_map) {
3504 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3505 if (!new_qos_map)
3506 return -ENOMEM;
3507 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3508 } else {
3509 /* A NULL qos_map was passed to disable QoS mapping */
3510 new_qos_map = NULL;
3511 }
3512
194ff52d 3513 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3514 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3515 if (old_qos_map)
3516 kfree_rcu(old_qos_map, rcu_head);
3517
3518 return 0;
3519}
3520
3b1700bd
JM		 3521static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3522 struct net_device *dev,
3523 struct cfg80211_chan_def *chandef)
3524{
3525 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3526 int ret;
3527 u32 changed = 0;
3528
3529 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3530 if (ret == 0)
3531 ieee80211_bss_info_change_notify(sdata, changed);
3532
3533 return ret;
3534}
3535
02219b3a
JB		 3536static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3537 u8 tsid, const u8 *peer, u8 up,
3538 u16 admitted_time)
3539{
3540 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3541 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3542 int ac = ieee802_1d_to_ac[up];
3543
3544 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3545 return -EOPNOTSUPP;
3546
3547 if (!(sdata->wmm_acm & BIT(up)))
3548 return -EINVAL;
3549
3550 if (ifmgd->tx_tspec[ac].admitted_time)
3551 return -EBUSY;
3552
3553 if (admitted_time) {
3554 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3555 ifmgd->tx_tspec[ac].tsid = tsid;
3556 ifmgd->tx_tspec[ac].up = up;
3557 }
3558
3559 return 0;
3560}
3561
3562static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3563 u8 tsid, const u8 *peer)
3564{
3565 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3566 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3567 struct ieee80211_local *local = wiphy_priv(wiphy);
3568 int ac;
3569
3570 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3571 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3572
3573 /* skip unused entries */
3574 if (!tx_tspec->admitted_time)
3575 continue;
3576
3577 if (tx_tspec->tsid != tsid)
3578 continue;
3579
3580 /* due to this new packets will be reassigned to non-ACM ACs */
3581 tx_tspec->up = -1;
3582
3583 /* Make sure that all packets have been sent to avoid to
3584 * restore the QoS params on packets that are still on the
3585 * queues.
3586 */
3587 synchronize_net();
3b24f4c6 3588 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3589
3590 /* restore the normal QoS parameters
3591 * (unconditionally to avoid races)
3592 */
3593 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3594 tx_tspec->downgraded = false;
3595 ieee80211_sta_handle_tspec_ac_params(sdata);
3596
3597 /* finally clear all the data */
3598 memset(tx_tspec, 0, sizeof(*tx_tspec));
3599
3600 return 0;
3601 }
3602
3603 return -ENOENT;
3604}
3605
167e33f4
AB		 3606void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3607 u8 inst_id,
3608 enum nl80211_nan_func_term_reason reason,
3609 gfp_t gfp)
3610{
3611 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3612 struct cfg80211_nan_func *func;
3613 u64 cookie;
3614
3615 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3616 return;
3617
3618 spin_lock_bh(&sdata->u.nan.func_lock);
3619
3620 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3621 if (WARN_ON(!func)) {
3622 spin_unlock_bh(&sdata->u.nan.func_lock);
3623 return;
3624 }
3625
3626 cookie = func->cookie;
3627 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3628
3629 spin_unlock_bh(&sdata->u.nan.func_lock);
3630
3631 cfg80211_free_nan_func(func);
3632
3633 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3634 reason, cookie, gfp);
3635}
3636EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3637
92bc43bc
AB		 3638void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3639 struct cfg80211_nan_match_params *match,
3640 gfp_t gfp)
3641{
3642 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3643 struct cfg80211_nan_func *func;
3644
3645 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3646 return;
3647
3648 spin_lock_bh(&sdata->u.nan.func_lock);
3649
3650 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3651 if (WARN_ON(!func)) {
3652 spin_unlock_bh(&sdata->u.nan.func_lock);
3653 return;
3654 }
3655 match->cookie = func->cookie;
3656
3657 spin_unlock_bh(&sdata->u.nan.func_lock);
3658
3659 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3660}
3661EXPORT_SYMBOL(ieee80211_nan_func_match);
3662
ebceec86
MB		 3663static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3664 struct net_device *dev,
3665 const bool enabled)
3666{
3667 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3668
3669 sdata->u.ap.multicast_to_unicast = enabled;
3670
3671 return 0;
3672}
3673
8a47cea7 3674const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3675 .add_virtual_intf = ieee80211_add_iface,
3676 .del_virtual_intf = ieee80211_del_iface,
42613db7 3677 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3678 .start_p2p_device = ieee80211_start_p2p_device,
3679 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3680 .add_key = ieee80211_add_key,
3681 .del_key = ieee80211_del_key,
62da92fb 3682 .get_key = ieee80211_get_key,
e8cbb4cb 3683 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3684 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3685 .start_ap = ieee80211_start_ap,
3686 .change_beacon = ieee80211_change_beacon,
3687 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3688 .add_station = ieee80211_add_station,
3689 .del_station = ieee80211_del_station,
3690 .change_station = ieee80211_change_station,
7bbdd2d9 3691 .get_station = ieee80211_get_station,
c5dd9c2b 3692 .dump_station = ieee80211_dump_station,
1289723e 3693 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3694#ifdef CONFIG_MAC80211_MESH
3695 .add_mpath = ieee80211_add_mpath,
3696 .del_mpath = ieee80211_del_mpath,
3697 .change_mpath = ieee80211_change_mpath,
3698 .get_mpath = ieee80211_get_mpath,
3699 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3700 .get_mpp = ieee80211_get_mpp,
3701 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3702 .update_mesh_config = ieee80211_update_mesh_config,
3703 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3704 .join_mesh = ieee80211_join_mesh,
3705 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3706#endif
239281f8
RL		 3707 .join_ocb = ieee80211_join_ocb,
3708 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3709 .change_bss = ieee80211_change_bss,
31888487 3710 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3711 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3712 .suspend = ieee80211_suspend,
3713 .resume = ieee80211_resume,
2a519311 3714 .scan = ieee80211_scan,
91f123f2 3715 .abort_scan = ieee80211_abort_scan,
79f460ca
LC		 3716 .sched_scan_start = ieee80211_sched_scan_start,
3717 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3718 .auth = ieee80211_auth,
3719 .assoc = ieee80211_assoc,
3720 .deauth = ieee80211_deauth,
3721 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3722 .join_ibss = ieee80211_join_ibss,
3723 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3724 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3725 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3726 .set_tx_power = ieee80211_set_tx_power,
3727 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3728 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3729 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3730 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3731 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3732 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3733 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3734 .remain_on_channel = ieee80211_remain_on_channel,
3735 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3736 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3737 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3738 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2c3c5f8c 3739 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
7be5086d 3740 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3741 .set_antenna = ieee80211_set_antenna,
3742 .get_antenna = ieee80211_get_antenna,
c68f4b89 3743 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3744 .tdls_oper = ieee80211_tdls_oper,
3745 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3746 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3747 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3748 .probe_client = ieee80211_probe_client,
b53be792 3749 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3750#ifdef CONFIG_PM
3751 .set_wakeup = ieee80211_set_wakeup,
3752#endif
5b7ccaf3 3753 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3754 .start_radar_detection = ieee80211_start_radar_detection,
927ffcc8 3755 .end_cac = ieee80211_end_cac,
73da7d5b 3756 .channel_switch = ieee80211_channel_switch,
32db6b54 3757 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3758 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3759 .add_tx_ts = ieee80211_add_tx_ts,
3760 .del_tx_ts = ieee80211_del_tx_ts,
708d50ed
AB		 3761 .start_nan = ieee80211_start_nan,
3762 .stop_nan = ieee80211_stop_nan,
5953ff6d 3763 .nan_change_conf = ieee80211_nan_change_conf,
167e33f4
AB		 3764 .add_nan_func = ieee80211_add_nan_func,
3765 .del_nan_func = ieee80211_del_nan_func,
ebceec86 3766 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
f0706e82 3767};
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