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nl80211: add support for BSSIDs in scheduled scan matchsets
[mirror_ubuntu-artful-kernel.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
b2eb0ee6 5 * Copyright 2013-2015 Intel Mobile Communications GmbH
e8e4f528 6 * Copyright (C) 2015-2017 Intel Deutschland GmbH
f0706e82
JB		 7 *
8 * This file is GPLv2 as found in COPYING.
9 */
10
e8cbb4cb 11#include <linux/ieee80211.h>
f0706e82
JB		 12#include <linux/nl80211.h>
13#include <linux/rtnetlink.h>
5a0e3ad6 14#include <linux/slab.h>
881d966b 15#include <net/net_namespace.h>
5dfdaf58 16#include <linux/rcupdate.h>
dfe018bf 17#include <linux/if_ether.h>
f0706e82
JB		 18#include <net/cfg80211.h>
19#include "ieee80211_i.h"
24487981 20#include "driver-ops.h"
2c8dccc7 21#include "rate.h"
c5dd9c2b 22#include "mesh.h"
02219b3a 23#include "wme.h"
c5dd9c2b 24
65f1d600
JB		 25static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
26 struct vif_params *params)
8c5e6889 27{
8c5e6889
JB		 28 bool mu_mimo_groups = false;
29 bool mu_mimo_follow = false;
30
8c5e6889
JB		 31 if (params->vht_mumimo_groups) {
32 u64 membership;
33
34 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
35
65f1d600 36 memcpy(sdata->vif.bss_conf.mu_group.membership,
8c5e6889 37 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
65f1d600 38 memcpy(sdata->vif.bss_conf.mu_group.position,
8c5e6889
JB		 39 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
40 WLAN_USER_POSITION_LEN);
65f1d600 41 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
8c5e6889
JB		 42 /* don't care about endianness - just check for 0 */
43 memcpy(&membership, params->vht_mumimo_groups,
44 WLAN_MEMBERSHIP_LEN);
45 mu_mimo_groups = membership != 0;
46 }
47
48 if (params->vht_mumimo_follow_addr) {
49 mu_mimo_follow =
50 is_valid_ether_addr(params->vht_mumimo_follow_addr);
65f1d600 51 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
8c5e6889
JB		 52 params->vht_mumimo_follow_addr);
53 }
54
65f1d600
JB		 55 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
56}
57
58static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
59 struct vif_params *params)
60{
61 struct ieee80211_local *local = sdata->local;
62 struct ieee80211_sub_if_data *monitor_sdata;
63
64 /* check flags first */
65 if (params->flags && ieee80211_sdata_running(sdata)) {
66 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
67
68 /*
69 * Prohibit MONITOR_FLAG_COOK_FRAMES and
70 * MONITOR_FLAG_ACTIVE to be changed while the
71 * interface is up.
72 * Else we would need to add a lot of cruft
73 * to update everything:
74 * cooked_mntrs, monitor and all fif_* counters
75 * reconfigure hardware
76 */
77 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
78 return -EBUSY;
79 }
80
81 /* also validate MU-MIMO change */
82 monitor_sdata = rtnl_dereference(local->monitor_sdata);
83
84 if (!monitor_sdata &&
85 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
86 return -EOPNOTSUPP;
87
88 /* apply all changes now - no failures allowed */
89
90 if (monitor_sdata)
91 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
92
93 if (params->flags) {
94 if (ieee80211_sdata_running(sdata)) {
95 ieee80211_adjust_monitor_flags(sdata, -1);
96 sdata->u.mntr.flags = params->flags;
97 ieee80211_adjust_monitor_flags(sdata, 1);
98
99 ieee80211_configure_filter(local);
100 } else {
101 /*
102 * Because the interface is down, ieee80211_do_stop
103 * and ieee80211_do_open take care of "everything"
104 * mentioned in the comment above.
105 */
106 sdata->u.mntr.flags = params->flags;
107 }
108 }
8c5e6889
JB		 109
110 return 0;
111}
112
552bff0c
JB		 113static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
114 const char *name,
6bab2e19 115 unsigned char name_assign_type,
84efbb84 116 enum nl80211_iftype type,
84efbb84 117 struct vif_params *params)
f0706e82
JB		 118{
119 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 120 struct wireless_dev *wdev;
8cc9a739
MW		 121 struct ieee80211_sub_if_data *sdata;
122 int err;
f0706e82 123
6bab2e19 124 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
f9e10ce4
JB		 125 if (err)
126 return ERR_PTR(err);
8cc9a739 127
8c5e6889
JB		 128 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
129
130 if (type == NL80211_IFTYPE_MONITOR) {
65f1d600 131 err = ieee80211_set_mon_options(sdata, params);
8c5e6889
JB		 132 if (err) {
133 ieee80211_if_remove(sdata);
134 return NULL;
135 }
f9e10ce4
JB		 136 }
137
84efbb84 138 return wdev;
f0706e82
JB		 139}
140
84efbb84 141static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 142{
84efbb84 143 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 144
75636525 145 return 0;
f0706e82
JB		 146}
147
e36d56b6
JB		 148static int ieee80211_change_iface(struct wiphy *wiphy,
149 struct net_device *dev,
818a986e 150 enum nl80211_iftype type,
2ec600d6 151 struct vif_params *params)
42613db7 152{
9607e6b6 153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 154 int ret;
42613db7 155
05c914fe 156 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 157 if (ret)
158 return ret;
42613db7 159
9bc383de 160 if (type == NL80211_IFTYPE_AP_VLAN &&
49ddf8e6 161 params && params->use_4addr == 0) {
a9b3cd7f 162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
49ddf8e6
JB		 163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION &&
165 params && params->use_4addr >= 0) {
9bc383de 166 sdata->u.mgd.use_4addr = params->use_4addr;
49ddf8e6 167 }
9bc383de 168
42bd20d9 169 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
65f1d600
JB		 170 ret = ieee80211_set_mon_options(sdata, params);
171 if (ret)
172 return ret;
85416a4f 173 }
f7917af9 174
42613db7
JB		 175 return 0;
176}
177
f142c6b9
JB		 178static int ieee80211_start_p2p_device(struct wiphy *wiphy,
179 struct wireless_dev *wdev)
180{
b6a55015
LC		 181 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
182 int ret;
183
184 mutex_lock(&sdata->local->chanctx_mtx);
185 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
186 mutex_unlock(&sdata->local->chanctx_mtx);
187 if (ret < 0)
188 return ret;
189
f142c6b9
JB		 190 return ieee80211_do_open(wdev, true);
191}
192
193static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
194 struct wireless_dev *wdev)
195{
196 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
197}
198
708d50ed
AB		 199static int ieee80211_start_nan(struct wiphy *wiphy,
200 struct wireless_dev *wdev,
201 struct cfg80211_nan_conf *conf)
202{
203 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
204 int ret;
205
206 mutex_lock(&sdata->local->chanctx_mtx);
207 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
208 mutex_unlock(&sdata->local->chanctx_mtx);
209 if (ret < 0)
210 return ret;
211
212 ret = ieee80211_do_open(wdev, true);
213 if (ret)
214 return ret;
215
216 ret = drv_start_nan(sdata->local, sdata, conf);
217 if (ret)
218 ieee80211_sdata_stop(sdata);
219
167e33f4
AB		 220 sdata->u.nan.conf = *conf;
221
708d50ed
AB		 222 return ret;
223}
224
225static void ieee80211_stop_nan(struct wiphy *wiphy,
226 struct wireless_dev *wdev)
227{
228 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
229
230 drv_stop_nan(sdata->local, sdata);
231 ieee80211_sdata_stop(sdata);
232}
233
5953ff6d
AB		 234static int ieee80211_nan_change_conf(struct wiphy *wiphy,
235 struct wireless_dev *wdev,
236 struct cfg80211_nan_conf *conf,
237 u32 changes)
238{
239 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
240 struct cfg80211_nan_conf new_conf;
241 int ret = 0;
242
243 if (sdata->vif.type != NL80211_IFTYPE_NAN)
244 return -EOPNOTSUPP;
245
246 if (!ieee80211_sdata_running(sdata))
247 return -ENETDOWN;
248
249 new_conf = sdata->u.nan.conf;
250
251 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
252 new_conf.master_pref = conf->master_pref;
253
8585989d
LC		 254 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
255 new_conf.bands = conf->bands;
5953ff6d
AB		 256
257 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
258 if (!ret)
259 sdata->u.nan.conf = new_conf;
260
261 return ret;
262}
263
167e33f4
AB		 264static int ieee80211_add_nan_func(struct wiphy *wiphy,
265 struct wireless_dev *wdev,
266 struct cfg80211_nan_func *nan_func)
267{
268 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
269 int ret;
270
271 if (sdata->vif.type != NL80211_IFTYPE_NAN)
272 return -EOPNOTSUPP;
273
274 if (!ieee80211_sdata_running(sdata))
275 return -ENETDOWN;
276
277 spin_lock_bh(&sdata->u.nan.func_lock);
278
279 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
280 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
281 GFP_ATOMIC);
282 spin_unlock_bh(&sdata->u.nan.func_lock);
283
284 if (ret < 0)
285 return ret;
286
287 nan_func->instance_id = ret;
288
289 WARN_ON(nan_func->instance_id == 0);
290
291 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
292 if (ret) {
293 spin_lock_bh(&sdata->u.nan.func_lock);
294 idr_remove(&sdata->u.nan.function_inst_ids,
295 nan_func->instance_id);
296 spin_unlock_bh(&sdata->u.nan.func_lock);
297 }
298
299 return ret;
300}
301
302static struct cfg80211_nan_func *
303ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
304 u64 cookie)
305{
306 struct cfg80211_nan_func *func;
307 int id;
308
309 lockdep_assert_held(&sdata->u.nan.func_lock);
310
311 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
312 if (func->cookie == cookie)
313 return func;
314 }
315
316 return NULL;
317}
318
319static void ieee80211_del_nan_func(struct wiphy *wiphy,
320 struct wireless_dev *wdev, u64 cookie)
321{
322 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
323 struct cfg80211_nan_func *func;
324 u8 instance_id = 0;
325
326 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
327 !ieee80211_sdata_running(sdata))
328 return;
329
330 spin_lock_bh(&sdata->u.nan.func_lock);
331
332 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
333 if (func)
334 instance_id = func->instance_id;
335
336 spin_unlock_bh(&sdata->u.nan.func_lock);
337
338 if (instance_id)
339 drv_del_nan_func(sdata->local, sdata, instance_id);
340}
341
b53be792
SW		 342static int ieee80211_set_noack_map(struct wiphy *wiphy,
343 struct net_device *dev,
344 u16 noack_map)
345{
346 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
347
348 sdata->noack_map = noack_map;
17c18bf8
JB		 349
350 ieee80211_check_fast_xmit_iface(sdata);
351
b53be792
SW		 352 return 0;
353}
354
e8cbb4cb 355static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 356 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 357 struct key_params *params)
358{
26a58456 359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 360 struct ieee80211_local *local = sdata->local;
e8cbb4cb 361 struct sta_info *sta = NULL;
2475b1cc 362 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 363 struct ieee80211_key *key;
3b96766f 364 int err;
e8cbb4cb 365
26a58456 366 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 367 return -ENETDOWN;
368
97359d12 369 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 370 switch (params->cipher) {
371 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 372 case WLAN_CIPHER_SUITE_TKIP:
97359d12 373 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 374 if (IS_ERR(local->wep_tx_tfm))
97359d12 375 return -EINVAL;
3cfcf6ac 376 break;
2475b1cc 377 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 378 case WLAN_CIPHER_SUITE_CCMP_256:
2475b1cc 379 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 380 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
8ade538b
JM		 381 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
382 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2475b1cc 383 case WLAN_CIPHER_SUITE_GCMP:
00b9cfa3 384 case WLAN_CIPHER_SUITE_GCMP_256:
2475b1cc 385 break;
e8cbb4cb 386 default:
2475b1cc 387 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 388 break;
e8cbb4cb
JB		 389 }
390
97359d12 391 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 392 params->key, params->seq_len, params->seq,
393 cs);
1ac62ba7
BH		 394 if (IS_ERR(key))
395 return PTR_ERR(key);
db4d1169 396
e31b8213
JB		 397 if (pairwise)
398 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
399
2475b1cc 400 mutex_lock(&local->sta_mtx);
3b96766f 401
e8cbb4cb 402 if (mac_addr) {
850092db 403 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 404 /*
405 * The ASSOC test makes sure the driver is ready to
406 * receive the key. When wpa_supplicant has roamed
407 * using FT, it attempts to set the key before
408 * association has completed, this rejects that attempt
d070f913 409 * so it will set the key again after association.
1626e0fa
JB		 410 *
411 * TODO: accept the key if we have a station entry and
412 * add it to the device after the station.
413 */
414 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 415 ieee80211_key_free_unused(key);
3b96766f
JB		 416 err = -ENOENT;
417 goto out_unlock;
db4d1169 418 }
e8cbb4cb
JB		 419 }
420
e548c49e
JB		 421 switch (sdata->vif.type) {
422 case NL80211_IFTYPE_STATION:
423 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
424 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
425 break;
426 case NL80211_IFTYPE_AP:
427 case NL80211_IFTYPE_AP_VLAN:
428 /* Keys without a station are used for TX only */
429 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
430 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
431 break;
432 case NL80211_IFTYPE_ADHOC:
433 /* no MFP (yet) */
434 break;
435 case NL80211_IFTYPE_MESH_POINT:
436#ifdef CONFIG_MAC80211_MESH
437 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
438 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
439 break;
440#endif
441 case NL80211_IFTYPE_WDS:
442 case NL80211_IFTYPE_MONITOR:
443 case NL80211_IFTYPE_P2P_DEVICE:
cb3b7d87 444 case NL80211_IFTYPE_NAN:
e548c49e
JB		 445 case NL80211_IFTYPE_UNSPECIFIED:
446 case NUM_NL80211_IFTYPES:
447 case NL80211_IFTYPE_P2P_CLIENT:
448 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 449 case NL80211_IFTYPE_OCB:
e548c49e
JB		 450 /* shouldn't happen */
451 WARN_ON_ONCE(1);
452 break;
453 }
454
2475b1cc
MS		 455 if (sta)
456 sta->cipher_scheme = cs;
457
3ffc2a90 458 err = ieee80211_key_link(key, sdata, sta);
db4d1169 459
3b96766f 460 out_unlock:
2475b1cc 461 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 462
463 return err;
e8cbb4cb
JB		 464}
465
466static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 467 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 468{
5c0c3641
JB		 469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
470 struct ieee80211_local *local = sdata->local;
e8cbb4cb 471 struct sta_info *sta;
5c0c3641 472 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 473 int ret;
474
5c0c3641
JB		 475 mutex_lock(&local->sta_mtx);
476 mutex_lock(&local->key_mtx);
3b96766f 477
e8cbb4cb 478 if (mac_addr) {
3b96766f
JB		 479 ret = -ENOENT;
480
0e5ded5a 481 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 482 if (!sta)
3b96766f 483 goto out_unlock;
e8cbb4cb 484
5c0c3641 485 if (pairwise)
2475b1cc 486 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 487 else
40b275b6 488 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 489 } else
40b275b6 490 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 491
5c0c3641 492 if (!key) {
3b96766f
JB		 493 ret = -ENOENT;
494 goto out_unlock;
495 }
e8cbb4cb 496
3b8d9c29 497 ieee80211_key_free(key, true);
e8cbb4cb 498
3b96766f
JB		 499 ret = 0;
500 out_unlock:
5c0c3641
JB		 501 mutex_unlock(&local->key_mtx);
502 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 503
504 return ret;
e8cbb4cb
JB		 505}
506
62da92fb 507static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 508 u8 key_idx, bool pairwise, const u8 *mac_addr,
509 void *cookie,
62da92fb
JB		 510 void (*callback)(void *cookie,
511 struct key_params *params))
512{
14db74bc 513 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 514 struct sta_info *sta = NULL;
515 u8 seq[6] = {0};
516 struct key_params params;
e31b8213 517 struct ieee80211_key *key = NULL;
aba83a0b 518 u64 pn64;
62da92fb
JB		 519 u32 iv32;
520 u16 iv16;
521 int err = -ENOENT;
9352c19f 522 struct ieee80211_key_seq kseq = {};
62da92fb 523
14db74bc
JB		 524 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
525
3b96766f
JB		 526 rcu_read_lock();
527
62da92fb 528 if (mac_addr) {
0e5ded5a 529 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 530 if (!sta)
531 goto out;
532
354e159d 533 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 534 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 535 else if (!pairwise &&
536 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 537 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 538 } else
a3836e02 539 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 540
541 if (!key)
542 goto out;
543
544 memset(&params, 0, sizeof(params));
545
97359d12 546 params.cipher = key->conf.cipher;
62da92fb 547
97359d12
JB		 548 switch (key->conf.cipher) {
549 case WLAN_CIPHER_SUITE_TKIP:
f8079d43
EP		 550 pn64 = atomic64_read(&key->conf.tx_pn);
551 iv32 = TKIP_PN_TO_IV32(pn64);
552 iv16 = TKIP_PN_TO_IV16(pn64);
62da92fb 553
9352c19f
JB		 554 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
555 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
556 drv_get_key_seq(sdata->local, key, &kseq);
557 iv32 = kseq.tkip.iv32;
558 iv16 = kseq.tkip.iv16;
559 }
62da92fb
JB		 560
561 seq[0] = iv16 & 0xff;
562 seq[1] = (iv16 >> 8) & 0xff;
563 seq[2] = iv32 & 0xff;
564 seq[3] = (iv32 >> 8) & 0xff;
565 seq[4] = (iv32 >> 16) & 0xff;
566 seq[5] = (iv32 >> 24) & 0xff;
567 params.seq = seq;
568 params.seq_len = 6;
569 break;
97359d12 570 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 571 case WLAN_CIPHER_SUITE_CCMP_256:
97359d12 572 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 573 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
db388a56
JB		 574 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
575 offsetof(typeof(kseq), aes_cmac));
8ade538b
JM		 576 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
577 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
db388a56
JB		 578 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
579 offsetof(typeof(kseq), aes_gmac));
00b9cfa3
JM		 580 case WLAN_CIPHER_SUITE_GCMP:
581 case WLAN_CIPHER_SUITE_GCMP_256:
db388a56
JB		 582 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
583 offsetof(typeof(kseq), gcmp));
584
9352c19f
JB		 585 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
586 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
587 drv_get_key_seq(sdata->local, key, &kseq);
db388a56 588 memcpy(seq, kseq.ccmp.pn, 6);
9352c19f 589 } else {
db388a56 590 pn64 = atomic64_read(&key->conf.tx_pn);
9352c19f
JB		 591 seq[0] = pn64;
592 seq[1] = pn64 >> 8;
593 seq[2] = pn64 >> 16;
594 seq[3] = pn64 >> 24;
595 seq[4] = pn64 >> 32;
596 seq[5] = pn64 >> 40;
597 }
00b9cfa3
JM		 598 params.seq = seq;
599 params.seq_len = 6;
600 break;
a31cf1c6
JB		 601 default:
602 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
603 break;
604 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
605 break;
606 drv_get_key_seq(sdata->local, key, &kseq);
607 params.seq = kseq.hw.seq;
608 params.seq_len = kseq.hw.seq_len;
609 break;
62da92fb
JB		 610 }
611
612 params.key = key->conf.key;
613 params.key_len = key->conf.keylen;
614
615 callback(cookie, &params);
616 err = 0;
617
618 out:
3b96766f 619 rcu_read_unlock();
62da92fb
JB		 620 return err;
621}
622
e8cbb4cb
JB		 623static int ieee80211_config_default_key(struct wiphy *wiphy,
624 struct net_device *dev,
dbd2fd65
JB		 625 u8 key_idx, bool uni,
626 bool multi)
e8cbb4cb 627{
ad0e2b5a 628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 629
f7e0104c 630 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 631
632 return 0;
633}
634
3cfcf6ac
JM		 635static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
636 struct net_device *dev,
637 u8 key_idx)
638{
66c52421 639 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 640
3cfcf6ac
JM		 641 ieee80211_set_default_mgmt_key(sdata, key_idx);
642
3cfcf6ac
JM		 643 return 0;
644}
645
6b62bf32
TP		 646void sta_set_rate_info_tx(struct sta_info *sta,
647 const struct ieee80211_tx_rate *rate,
648 struct rate_info *rinfo)
649{
650 rinfo->flags = 0;
8bc83c24 651 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 652 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 653 rinfo->mcs = rate->idx;
654 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
655 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
656 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
657 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
658 } else {
659 struct ieee80211_supported_band *sband;
2103dec1
SW		 660 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
661 u16 brate;
662
8bc83c24
JB		 663 sband = sta->local->hw.wiphy->bands[
664 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 665 brate = sband->bitrates[rate->idx].bitrate;
666 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 667 }
6b62bf32 668 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 669 rinfo->bw = RATE_INFO_BW_40;
670 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
671 rinfo->bw = RATE_INFO_BW_80;
672 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
673 rinfo->bw = RATE_INFO_BW_160;
674 else
675 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 676 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
677 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 678}
679
c5dd9c2b 680static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 681 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 682{
3b53fde8 683 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 684 struct ieee80211_local *local = sdata->local;
c5dd9c2b 685 struct sta_info *sta;
d0709a65
JB		 686 int ret = -ENOENT;
687
66572cfc 688 mutex_lock(&local->sta_mtx);
c5dd9c2b 689
3b53fde8 690 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 691 if (sta) {
692 ret = 0;
17741cdc 693 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 694 sta_set_sinfo(sta, sinfo);
695 }
c5dd9c2b 696
66572cfc 697 mutex_unlock(&local->sta_mtx);
c5dd9c2b 698
d0709a65 699 return ret;
c5dd9c2b
LCC		 700}
701
1289723e
HS		 702static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
703 int idx, struct survey_info *survey)
704{
705 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
706
1289723e
HS		 707 return drv_get_survey(local, idx, survey);
708}
709
7bbdd2d9 710static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 711 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 712{
abe60632 713 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 714 struct ieee80211_local *local = sdata->local;
7bbdd2d9 715 struct sta_info *sta;
d0709a65 716 int ret = -ENOENT;
7bbdd2d9 717
66572cfc 718 mutex_lock(&local->sta_mtx);
7bbdd2d9 719
0e5ded5a 720 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 721 if (sta) {
722 ret = 0;
723 sta_set_sinfo(sta, sinfo);
724 }
725
66572cfc 726 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 727
728 return ret;
7bbdd2d9
JB		 729}
730
55de908a 731static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 732 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 733{
734 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 735 struct ieee80211_sub_if_data *sdata;
736 int ret = 0;
3d9e6e12 737
4bf88530 738 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 739 return 0;
3d9e6e12 740
34a3740d 741 mutex_lock(&local->mtx);
55de908a
JB		 742 mutex_lock(&local->iflist_mtx);
743 if (local->use_chanctx) {
744 sdata = rcu_dereference_protected(
745 local->monitor_sdata,
746 lockdep_is_held(&local->iflist_mtx));
747 if (sdata) {
748 ieee80211_vif_release_channel(sdata);
4bf88530 749 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 750 IEEE80211_CHANCTX_EXCLUSIVE);
751 }
752 } else if (local->open_count == local->monitors) {
675a0b04 753 local->_oper_chandef = *chandef;
55de908a
JB		 754 ieee80211_hw_config(local, 0);
755 }
3d9e6e12 756
4bf88530
JB		 757 if (ret == 0)
758 local->monitor_chandef = *chandef;
55de908a 759 mutex_unlock(&local->iflist_mtx);
34a3740d 760 mutex_unlock(&local->mtx);
3d9e6e12 761
55de908a 762 return ret;
e8c9bd5b
JB		 763}
764
02945821 765static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 766 const u8 *resp, size_t resp_len,
767 const struct ieee80211_csa_settings *csa)
02945821 768{
aa7a0080 769 struct probe_resp *new, *old;
02945821
AN		 770
771 if (!resp || !resp_len)
aba4e6ff 772 return 1;
02945821 773
7ca133bc 774 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 775
aa7a0080 776 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 777 if (!new)
778 return -ENOMEM;
779
aa7a0080
ES		 780 new->len = resp_len;
781 memcpy(new->data, resp, resp_len);
02945821 782
af296bdb
MK		 783 if (csa)
784 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
785 csa->n_counter_offsets_presp *
786 sizeof(new->csa_counter_offsets[0]));
787
02945821 788 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 789 if (old)
790 kfree_rcu(old, rcu_head);
02945821
AN		 791
792 return 0;
793}
794
0ae07968 795static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 796 struct cfg80211_beacon_data *params,
797 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 798{
799 struct beacon_data *new, *old;
800 int new_head_len, new_tail_len;
8860020e
JB		 801 int size, err;
802 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 803
7ca133bc
SW		 804 old = sdata_dereference(sdata->u.ap.beacon, sdata);
805
5dfdaf58 806
5dfdaf58
JB		 807 /* Need to have a beacon head if we don't have one yet */
808 if (!params->head && !old)
8860020e 809 return -EINVAL;
5dfdaf58
JB		 810
811 /* new or old head? */
812 if (params->head)
813 new_head_len = params->head_len;
814 else
815 new_head_len = old->head_len;
816
817 /* new or old tail? */
818 if (params->tail || !old)
819 /* params->tail_len will be zero for !params->tail */
820 new_tail_len = params->tail_len;
821 else
822 new_tail_len = old->tail_len;
823
824 size = sizeof(*new) + new_head_len + new_tail_len;
825
826 new = kzalloc(size, GFP_KERNEL);
827 if (!new)
828 return -ENOMEM;
829
830 /* start filling the new info now */
831
5dfdaf58
JB		 832 /*
833 * pointers go into the block we allocated,
834 * memory is | beacon_data | head | tail |
835 */
836 new->head = ((u8 *) new) + sizeof(*new);
837 new->tail = new->head + new_head_len;
838 new->head_len = new_head_len;
839 new->tail_len = new_tail_len;
840
af296bdb
MK		 841 if (csa) {
842 new->csa_current_counter = csa->count;
843 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
844 csa->n_counter_offsets_beacon *
845 sizeof(new->csa_counter_offsets[0]));
846 }
847
5dfdaf58
JB		 848 /* copy in head */
849 if (params->head)
850 memcpy(new->head, params->head, new_head_len);
851 else
852 memcpy(new->head, old->head, new_head_len);
853
854 /* copy in optional tail */
855 if (params->tail)
856 memcpy(new->tail, params->tail, new_tail_len);
857 else
858 if (old)
859 memcpy(new->tail, old->tail, new_tail_len);
860
02945821 861 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 862 params->probe_resp_len, csa);
8860020e
JB		 863 if (err < 0)
864 return err;
865 if (err == 0)
02945821
AN		 866 changed |= BSS_CHANGED_AP_PROBE_RESP;
867
8860020e
JB		 868 rcu_assign_pointer(sdata->u.ap.beacon, new);
869
870 if (old)
871 kfree_rcu(old, rcu_head);
7827493b 872
8860020e 873 return changed;
5dfdaf58
JB		 874}
875
8860020e
JB		 876static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
877 struct cfg80211_ap_settings *params)
5dfdaf58 878{
8860020e 879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 880 struct ieee80211_local *local = sdata->local;
5dfdaf58 881 struct beacon_data *old;
665c93a9 882 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 883 u32 changed = BSS_CHANGED_BEACON_INT |
884 BSS_CHANGED_BEACON_ENABLED |
885 BSS_CHANGED_BEACON |
339afbf4 886 BSS_CHANGED_SSID |
4bcc56bb
JB		 887 BSS_CHANGED_P2P_PS |
888 BSS_CHANGED_TXPOWER;
8860020e 889 int err;
14db74bc 890
7ca133bc 891 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 892 if (old)
893 return -EALREADY;
894
f6993174
EP		 895 switch (params->smps_mode) {
896 case NL80211_SMPS_OFF:
897 sdata->smps_mode = IEEE80211_SMPS_OFF;
898 break;
899 case NL80211_SMPS_STATIC:
900 sdata->smps_mode = IEEE80211_SMPS_STATIC;
901 break;
902 case NL80211_SMPS_DYNAMIC:
903 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
904 break;
905 default:
906 return -EINVAL;
907 }
04ecd257
JB		 908 sdata->needed_rx_chains = sdata->local->rx_chains;
909
ac668afe
JB		 910 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
911
34a3740d 912 mutex_lock(&local->mtx);
4bf88530 913 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 914 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 915 if (!err)
916 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 917 mutex_unlock(&local->mtx);
aa430da4
JB		 918 if (err)
919 return err;
920
665c93a9
JB		 921 /*
922 * Apply control port protocol, this allows us to
923 * not encrypt dynamic WEP control frames.
924 */
925 sdata->control_port_protocol = params->crypto.control_port_ethertype;
926 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 927 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
928 &params->crypto,
929 sdata->vif.type);
930
665c93a9
JB		 931 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
932 vlan->control_port_protocol =
933 params->crypto.control_port_ethertype;
934 vlan->control_port_no_encrypt =
935 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 936 vlan->encrypt_headroom =
937 ieee80211_cs_headroom(sdata->local,
938 &params->crypto,
939 vlan->vif.type);
665c93a9
JB		 940 }
941
8860020e 942 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 943 sdata->vif.bss_conf.enable_beacon = true;
52cfa1d6 944 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
8860020e
JB		 945
946 sdata->vif.bss_conf.ssid_len = params->ssid_len;
947 if (params->ssid_len)
948 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
949 params->ssid_len);
950 sdata->vif.bss_conf.hidden_ssid =
951 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
952
67baf663
JD		 953 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
954 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
955 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
956 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
957 if (params->p2p_opp_ps)
958 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
959 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 960
af296bdb 961 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 962 if (err < 0) {
963 ieee80211_vif_release_channel(sdata);
8860020e 964 return err;
0297ea17 965 }
8860020e
JB		 966 changed |= err;
967
1041638f
JB		 968 err = drv_start_ap(sdata->local, sdata);
969 if (err) {
7ca133bc
SW		 970 old = sdata_dereference(sdata->u.ap.beacon, sdata);
971
1041638f
JB		 972 if (old)
973 kfree_rcu(old, rcu_head);
974 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 975 ieee80211_vif_release_channel(sdata);
1041638f
JB		 976 return err;
977 }
978
057d5f4b 979 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 980 ieee80211_bss_info_change_notify(sdata, changed);
981
3edaf3e6
JB		 982 netif_carrier_on(dev);
983 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
984 netif_carrier_on(vlan->dev);
985
665c93a9 986 return 0;
5dfdaf58
JB		 987}
988
8860020e
JB		 989static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
990 struct cfg80211_beacon_data *params)
5dfdaf58 991{
14db74bc 992 struct ieee80211_sub_if_data *sdata;
5dfdaf58 993 struct beacon_data *old;
8860020e 994 int err;
5dfdaf58 995
14db74bc 996 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 997 sdata_assert_lock(sdata);
14db74bc 998
73da7d5b
SW		 999 /* don't allow changing the beacon while CSA is in place - offset
1000 * of channel switch counter may change
1001 */
1002 if (sdata->vif.csa_active)
1003 return -EBUSY;
1004
7ca133bc 1005 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1006 if (!old)
1007 return -ENOENT;
1008
af296bdb 1009 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 1010 if (err < 0)
1011 return err;
1012 ieee80211_bss_info_change_notify(sdata, err);
1013 return 0;
5dfdaf58
JB		 1014}
1015
8860020e 1016static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1017{
7b20b8e8
JB		 1018 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1019 struct ieee80211_sub_if_data *vlan;
1020 struct ieee80211_local *local = sdata->local;
1021 struct beacon_data *old_beacon;
1022 struct probe_resp *old_probe_resp;
d2859df5 1023 struct cfg80211_chan_def chandef;
14db74bc 1024
dbd72850
MK		 1025 sdata_assert_lock(sdata);
1026
7ca133bc 1027 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1028 if (!old_beacon)
5dfdaf58 1029 return -ENOENT;
7ca133bc 1030 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1031
73da7d5b 1032 /* abort any running channel switch */
59af6928 1033 mutex_lock(&local->mtx);
73da7d5b 1034 sdata->vif.csa_active = false;
a46992b4
LC		 1035 if (sdata->csa_block_tx) {
1036 ieee80211_wake_vif_queues(local, sdata,
1037 IEEE80211_QUEUE_STOP_REASON_CSA);
1038 sdata->csa_block_tx = false;
1039 }
1040
59af6928
MK		 1041 mutex_unlock(&local->mtx);
1042
1f3b8a2b
SW		 1043 kfree(sdata->u.ap.next_beacon);
1044 sdata->u.ap.next_beacon = NULL;
1045
7b20b8e8 1046 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1047 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1048 netif_carrier_off(vlan->dev);
1049 netif_carrier_off(dev);
1050
7b20b8e8 1051 /* remove beacon and probe response */
a9b3cd7f 1052 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1053 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1054 kfree_rcu(old_beacon, rcu_head);
1055 if (old_probe_resp)
1056 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 1057 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 1058
e716251d 1059 __sta_info_flush(sdata, true);
7907c7d3 1060 ieee80211_free_keys(sdata, true);
75de9113 1061
d6a83228 1062 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1063 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1064 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1065 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1066
a6b368f6 1067 if (sdata->wdev.cac_started) {
d2859df5 1068 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1069 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1070 cfg80211_cac_event(sdata->dev, &chandef,
1071 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1072 GFP_KERNEL);
1073 }
1074
1041638f
JB		 1075 drv_stop_ap(sdata->local, sdata);
1076
7b20b8e8
JB		 1077 /* free all potentially still buffered bcast frames */
1078 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
6b07d9ca 1079 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
7b20b8e8 1080
34a3740d 1081 mutex_lock(&local->mtx);
4e141dad 1082 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 1083 ieee80211_vif_release_channel(sdata);
34a3740d 1084 mutex_unlock(&local->mtx);
55de908a 1085
2d0ddec5 1086 return 0;
5dfdaf58
JB		 1087}
1088
4fd6931e
JB		 1089/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1090struct iapp_layer2_update {
1091 u8 da[ETH_ALEN]; /* broadcast */
1092 u8 sa[ETH_ALEN]; /* STA addr */
1093 __be16 len; /* 6 */
1094 u8 dsap; /* 0 */
1095 u8 ssap; /* 0 */
1096 u8 control;
1097 u8 xid_info[3];
bc10502d 1098} __packed;
4fd6931e
JB		 1099
1100static void ieee80211_send_layer2_update(struct sta_info *sta)
1101{
1102 struct iapp_layer2_update *msg;
1103 struct sk_buff *skb;
1104
1105 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1106 * bridge devices */
1107
1108 skb = dev_alloc_skb(sizeof(*msg));
1109 if (!skb)
1110 return;
1111 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1112
1113 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1114 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1115
e83e6541 1116 eth_broadcast_addr(msg->da);
17741cdc 1117 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1118 msg->len = htons(6);
1119 msg->dsap = 0;
1120 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1121 msg->control = 0xaf; /* XID response lsb.1111F101.
1122 * F=0 (no poll command; unsolicited frame) */
1123 msg->xid_info[0] = 0x81; /* XID format identifier */
1124 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1125 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1126
d0709a65
JB		 1127 skb->dev = sta->sdata->dev;
1128 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1129 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1130 netif_rx_ni(skb);
4fd6931e
JB		 1131}
1132
d582cffb
JB		 1133static int sta_apply_auth_flags(struct ieee80211_local *local,
1134 struct sta_info *sta,
1135 u32 mask, u32 set)
1136{
1137 int ret;
1138
1139 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1140 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1141 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1142 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1143 if (ret)
1144 return ret;
1145 }
1146
1147 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1148 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1149 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1150 /*
1151 * When peer becomes associated, init rate control as
1152 * well. Some drivers require rate control initialized
1153 * before drv_sta_state() is called.
1154 */
44674d9c 1155 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
c23e31cf
MP		 1156 rate_control_rate_init(sta);
1157
d582cffb
JB		 1158 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1159 if (ret)
1160 return ret;
1161 }
1162
1163 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1164 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1165 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1166 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1167 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1168 else
1169 ret = 0;
1170 if (ret)
1171 return ret;
1172 }
1173
1174 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1175 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1176 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1177 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1178 if (ret)
1179 return ret;
1180 }
1181
1182 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1183 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1184 test_sta_flag(sta, WLAN_STA_AUTH)) {
1185 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1186 if (ret)
1187 return ret;
1188 }
1189
1190 return 0;
1191}
1192
13657702
JB		 1193static void sta_apply_mesh_params(struct ieee80211_local *local,
1194 struct sta_info *sta,
1195 struct station_parameters *params)
1196{
1197#ifdef CONFIG_MAC80211_MESH
1198 struct ieee80211_sub_if_data *sdata = sta->sdata;
1199 u32 changed = 0;
1200
1201 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1202 switch (params->plink_state) {
1203 case NL80211_PLINK_ESTAB:
1204 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1205 changed = mesh_plink_inc_estab_count(sdata);
1206 sta->mesh->plink_state = params->plink_state;
7d27a0ba 1207 sta->mesh->aid = params->peer_aid;
13657702
JB		 1208
1209 ieee80211_mps_sta_status_update(sta);
1210 changed |= ieee80211_mps_set_sta_local_pm(sta,
1211 sdata->u.mesh.mshcfg.power_mode);
1212 break;
1213 case NL80211_PLINK_LISTEN:
1214 case NL80211_PLINK_BLOCKED:
1215 case NL80211_PLINK_OPN_SNT:
1216 case NL80211_PLINK_OPN_RCVD:
1217 case NL80211_PLINK_CNF_RCVD:
1218 case NL80211_PLINK_HOLDING:
1219 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1220 changed = mesh_plink_dec_estab_count(sdata);
1221 sta->mesh->plink_state = params->plink_state;
1222
1223 ieee80211_mps_sta_status_update(sta);
1224 changed |= ieee80211_mps_set_sta_local_pm(sta,
1225 NL80211_MESH_POWER_UNKNOWN);
1226 break;
1227 default:
1228 /* nothing */
1229 break;
1230 }
1231 }
1232
1233 switch (params->plink_action) {
1234 case NL80211_PLINK_ACTION_NO_ACTION:
1235 /* nothing */
1236 break;
1237 case NL80211_PLINK_ACTION_OPEN:
1238 changed |= mesh_plink_open(sta);
1239 break;
1240 case NL80211_PLINK_ACTION_BLOCK:
1241 changed |= mesh_plink_block(sta);
1242 break;
1243 }
1244
1245 if (params->local_pm)
1246 changed |= ieee80211_mps_set_sta_local_pm(sta,
1247 params->local_pm);
1248
1249 ieee80211_mbss_info_change_notify(sdata, changed);
1250#endif
1251}
1252
d9a7ddb0
JB		 1253static int sta_apply_parameters(struct ieee80211_local *local,
1254 struct sta_info *sta,
1255 struct station_parameters *params)
4fd6931e 1256{
d9a7ddb0 1257 int ret = 0;
8318d78a 1258 struct ieee80211_supported_band *sband;
d0709a65 1259 struct ieee80211_sub_if_data *sdata = sta->sdata;
57fbcce3 1260 enum nl80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1261 u32 mask, set;
4fd6931e 1262
55de908a 1263 sband = local->hw.wiphy->bands[band];
ae5eb026 1264
eccb8e8f
JB		 1265 mask = params->sta_flags_mask;
1266 set = params->sta_flags_set;
73651ee6 1267
d582cffb
JB		 1268 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1269 /*
1270 * In mesh mode, ASSOCIATED isn't part of the nl80211
1271 * API but must follow AUTHENTICATED for driver state.
1272 */
1273 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1274 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1275 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1276 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1277 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1278 /*
1279 * TDLS -- everything follows authorized, but
1280 * only becoming authorized is possible, not
1281 * going back
1282 */
1283 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1284 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1285 BIT(NL80211_STA_FLAG_ASSOCIATED);
1286 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1287 BIT(NL80211_STA_FLAG_ASSOCIATED);
1288 }
eccb8e8f 1289 }
4fd6931e 1290
2c44be81
JB		 1291 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1292 local->hw.queues >= IEEE80211_NUM_ACS)
1293 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1294
44674d9c
AB		 1295 /* auth flags will be set later for TDLS,
1296 * and for unassociated stations that move to assocaited */
1297 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1298 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1299 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
68885a54
AN		 1300 ret = sta_apply_auth_flags(local, sta, mask, set);
1301 if (ret)
1302 return ret;
1303 }
d9a7ddb0 1304
eccb8e8f 1305 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1306 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1307 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1308 else
1309 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1310 }
4fd6931e 1311
eccb8e8f 1312 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
93f0490e 1313 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1314 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1315 set_sta_flag(sta, WLAN_STA_MFP);
1316 else
1317 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1318 }
b39c48fa 1319
07ba55d7 1320 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1321 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1322 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1323 else
1324 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1325 }
4fd6931e 1326
9041c1fa
AN		 1327 /* mark TDLS channel switch support, if the AP allows it */
1328 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1329 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1330 params->ext_capab_len >= 4 &&
1331 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1332 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1333
b98fb44f 1334 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
82c0cc90 1335 !sdata->u.mgd.tdls_wider_bw_prohibited &&
b98fb44f
AN		 1336 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1337 params->ext_capab_len >= 8 &&
1338 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1339 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1340
3b9ce80c
JB		 1341 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1342 sta->sta.uapsd_queues = params->uapsd_queues;
1343 sta->sta.max_sp = params->max_sp;
1344 }
9533b4ac 1345
506bcfa8
EG		 1346 /* The sender might not have sent the last bit, consider it to be 0 */
1347 if (params->ext_capab_len >= 8) {
1348 u8 val = (params->ext_capab[7] &
1349 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1350
1351 /* we did get all the bits, take the MSB as well */
1352 if (params->ext_capab_len >= 9) {
1353 u8 val_msb = params->ext_capab[8] &
1354 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1355 val_msb <<= 1;
1356 val |= val_msb;
1357 }
1358
1359 switch (val) {
1360 case 1:
1361 sta->sta.max_amsdu_subframes = 32;
1362 break;
1363 case 2:
1364 sta->sta.max_amsdu_subframes = 16;
1365 break;
1366 case 3:
1367 sta->sta.max_amsdu_subframes = 8;
1368 break;
1369 default:
1370 sta->sta.max_amsdu_subframes = 0;
1371 }
1372 }
1373
51b50fbe
JB		 1374 /*
1375 * cfg80211 validates this (1-2007) and allows setting the AID
1376 * only when creating a new station entry
1377 */
1378 if (params->aid)
1379 sta->sta.aid = params->aid;
1380
73651ee6 1381 /*
ba23d206
JB		 1382 * Some of the following updates would be racy if called on an
1383 * existing station, via ieee80211_change_station(). However,
1384 * all such changes are rejected by cfg80211 except for updates
1385 * changing the supported rates on an existing but not yet used
1386 * TDLS peer.
73651ee6
JB		 1387 */
1388
4fd6931e
JB		 1389 if (params->listen_interval >= 0)
1390 sta->listen_interval = params->listen_interval;
1391
1392 if (params->supported_rates) {
2103dec1
SW		 1393 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1394 sband, params->supported_rates,
1395 params->supported_rates_len,
1396 &sta->sta.supp_rates[band]);
4fd6931e 1397 }
c5dd9c2b 1398
d9fe60de 1399 if (params->ht_capa)
ef96a842 1400 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1401 params->ht_capa, sta);
36aedc90 1402
506bcfa8 1403 /* VHT can override some HT caps such as the A-MSDU max length */
f461be3e
MP		 1404 if (params->vht_capa)
1405 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1406 params->vht_capa, sta);
f461be3e 1407
b1bce14a 1408 if (params->opmode_notif_used) {
b1bce14a
MK		 1409 /* returned value is only needed for rc update, but the
1410 * rc isn't initialized here yet, so ignore it
1411 */
1412 __ieee80211_vht_handle_opmode(sdata, sta,
cf1e05c6 1413 params->opmode_notif, band);
b1bce14a
MK		 1414 }
1415
52cfa1d6
AB		 1416 if (params->support_p2p_ps >= 0)
1417 sta->sta.support_p2p_ps = params->support_p2p_ps;
1418
13657702
JB		 1419 if (ieee80211_vif_is_mesh(&sdata->vif))
1420 sta_apply_mesh_params(local, sta, params);
d9a7ddb0 1421
68885a54 1422 /* set the STA state after all sta info from usermode has been set */
44674d9c
AB		 1423 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1424 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
68885a54
AN		 1425 ret = sta_apply_auth_flags(local, sta, mask, set);
1426 if (ret)
1427 return ret;
1428 }
1429
d9a7ddb0 1430 return 0;
4fd6931e
JB		 1431}
1432
1433static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1434 const u8 *mac,
1435 struct station_parameters *params)
4fd6931e 1436{
14db74bc 1437 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1438 struct sta_info *sta;
1439 struct ieee80211_sub_if_data *sdata;
73651ee6 1440 int err;
b8d476c8 1441 int layer2_update;
4fd6931e 1442
4fd6931e
JB		 1443 if (params->vlan) {
1444 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1445
05c914fe
JB		 1446 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1447 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1448 return -EINVAL;
1449 } else
1450 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1451
b203ca39 1452 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1453 return -EINVAL;
1454
1455 if (is_multicast_ether_addr(mac))
1456 return -EINVAL;
1457
1458 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1459 if (!sta)
1460 return -ENOMEM;
4fd6931e 1461
44674d9c
AB		 1462 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1463 sta->sta.tdls = true;
4fd6931e 1464
d9a7ddb0
JB		 1465 err = sta_apply_parameters(local, sta, params);
1466 if (err) {
1467 sta_info_free(local, sta);
1468 return err;
1469 }
4fd6931e 1470
d64cf63e 1471 /*
44674d9c
AB		 1472 * for TDLS and for unassociated station, rate control should be
1473 * initialized only when rates are known and station is marked
1474 * authorized/associated
d64cf63e 1475 */
44674d9c
AB		 1476 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1477 test_sta_flag(sta, WLAN_STA_ASSOC))
d64cf63e 1478 rate_control_rate_init(sta);
4fd6931e 1479
b8d476c8
JM		 1480 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1481 sdata->vif.type == NL80211_IFTYPE_AP;
1482
34e89507 1483 err = sta_info_insert_rcu(sta);
73651ee6 1484 if (err) {
73651ee6
JB		 1485 rcu_read_unlock();
1486 return err;
1487 }
1488
b8d476c8 1489 if (layer2_update)
73651ee6
JB		 1490 ieee80211_send_layer2_update(sta);
1491
1492 rcu_read_unlock();
1493
4fd6931e
JB		 1494 return 0;
1495}
1496
1497static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1498 struct station_del_parameters *params)
4fd6931e 1499{
14db74bc 1500 struct ieee80211_sub_if_data *sdata;
4fd6931e 1501
14db74bc
JB		 1502 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1503
89c771e5
JM		 1504 if (params->mac)
1505 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1506
b998e8bb 1507 sta_info_flush(sdata);
4fd6931e
JB		 1508 return 0;
1509}
1510
1511static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1512 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1513 struct station_parameters *params)
1514{
abe60632 1515 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1516 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1517 struct sta_info *sta;
1518 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1519 enum cfg80211_station_type statype;
35b88623 1520 int err;
4fd6931e 1521
87be1e1e 1522 mutex_lock(&local->sta_mtx);
98dd6a57 1523
0e5ded5a 1524 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1525 if (!sta) {
77ee7c89
JB		 1526 err = -ENOENT;
1527 goto out_err;
98dd6a57 1528 }
4fd6931e 1529
77ee7c89
JB		 1530 switch (sdata->vif.type) {
1531 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1532 if (sdata->u.mesh.user_mpm)
eef941e6 1533 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1534 else
eef941e6 1535 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1536 break;
1537 case NL80211_IFTYPE_ADHOC:
1538 statype = CFG80211_STA_IBSS;
1539 break;
1540 case NL80211_IFTYPE_STATION:
1541 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1542 statype = CFG80211_STA_AP_STA;
1543 break;
1544 }
1545 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1546 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1547 else
1548 statype = CFG80211_STA_TDLS_PEER_SETUP;
1549 break;
1550 case NL80211_IFTYPE_AP:
1551 case NL80211_IFTYPE_AP_VLAN:
44674d9c
AB		 1552 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1553 statype = CFG80211_STA_AP_CLIENT;
1554 else
1555 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
77ee7c89
JB		 1556 break;
1557 default:
1558 err = -EOPNOTSUPP;
1559 goto out_err;
bdd90d5e
JB		 1560 }
1561
77ee7c89
JB		 1562 err = cfg80211_check_station_change(wiphy, params, statype);
1563 if (err)
1564 goto out_err;
1565
d0709a65 1566 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 1567 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1568
9bc383de 1569 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1570 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1571 err = -EBUSY;
1572 goto out_err;
3305443c 1573 }
f14543ee 1574
cf778b00 1575 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
49ddf8e6 1576 __ieee80211_check_fast_rx_iface(vlansdata);
7e3ed02c
FF		 1577 }
1578
1579 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
72f15d53 1580 sta->sdata->u.vlan.sta)
0c2bef46 1581 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
72f15d53
MB		 1582
1583 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1584 ieee80211_vif_dec_num_mcast(sta->sdata);
f14543ee 1585
14db74bc 1586 sta->sdata = vlansdata;
464daaf0 1587 ieee80211_check_fast_xmit(sta);
7e3ed02c 1588
72f15d53
MB		 1589 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1590 ieee80211_vif_inc_num_mcast(sta->sdata);
7e3ed02c 1591
4fd6931e
JB		 1592 ieee80211_send_layer2_update(sta);
1593 }
1594
35b88623 1595 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1596 if (err)
1597 goto out_err;
4fd6931e 1598
87be1e1e 1599 mutex_unlock(&local->sta_mtx);
98dd6a57 1600
687da132
EG		 1601 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1602 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1603 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1604 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1605 sta_info_tx_streams(sta) != 1) {
1606 ht_dbg(sta->sdata,
1607 "%pM just authorized and MIMO capable - update SMPS\n",
1608 sta->sta.addr);
1609 ieee80211_send_smps_action(sta->sdata,
1610 sta->sdata->bss->req_smps,
1611 sta->sta.addr,
1612 sta->sdata->vif.bss_conf.bssid);
1613 }
1614
808118cb 1615 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1616 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4a733ef1 1617 ieee80211_recalc_ps(local);
ab095877
EP		 1618 ieee80211_recalc_ps_vif(sdata);
1619 }
77ee7c89 1620
4fd6931e 1621 return 0;
77ee7c89
JB		 1622out_err:
1623 mutex_unlock(&local->sta_mtx);
1624 return err;
4fd6931e
JB		 1625}
1626
c5dd9c2b
LCC		 1627#ifdef CONFIG_MAC80211_MESH
1628static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1629 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1630{
14db74bc 1631 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1632 struct mesh_path *mpath;
1633 struct sta_info *sta;
c5dd9c2b 1634
14db74bc
JB		 1635 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636
d0709a65 1637 rcu_read_lock();
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
ae76eef0
BC		 1644 mpath = mesh_path_add(sdata, dst);
1645 if (IS_ERR(mpath)) {
d0709a65 1646 rcu_read_unlock();
ae76eef0 1647 return PTR_ERR(mpath);
d0709a65 1648 }
c5dd9c2b 1649
c5dd9c2b 1650 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1651
c5dd9c2b
LCC		 1652 rcu_read_unlock();
1653 return 0;
1654}
1655
1656static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1657 const u8 *dst)
c5dd9c2b 1658{
f698d856
JBG		 1659 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1660
c5dd9c2b 1661 if (dst)
bf7cd94d 1662 return mesh_path_del(sdata, dst);
c5dd9c2b 1663
ece1a2e7 1664 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1665 return 0;
1666}
1667
3b3a0162
JB		 1668static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1669 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1670{
14db74bc 1671 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1672 struct mesh_path *mpath;
1673 struct sta_info *sta;
1674
14db74bc
JB		 1675 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1676
d0709a65
JB		 1677 rcu_read_lock();
1678
abe60632 1679 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1680 if (!sta) {
1681 rcu_read_unlock();
c5dd9c2b 1682 return -ENOENT;
d0709a65 1683 }
c5dd9c2b 1684
bf7cd94d 1685 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1686 if (!mpath) {
1687 rcu_read_unlock();
c5dd9c2b
LCC		 1688 return -ENOENT;
1689 }
1690
1691 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1692
c5dd9c2b
LCC		 1693 rcu_read_unlock();
1694 return 0;
1695}
1696
1697static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1698 struct mpath_info *pinfo)
1699{
a3836e02
JB		 1700 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1701
1702 if (next_hop_sta)
1703 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1704 else
c84a67a2 1705 eth_zero_addr(next_hop);
c5dd9c2b 1706
7ce8c7a3
LAYS		 1707 memset(pinfo, 0, sizeof(*pinfo));
1708
2bdaf386 1709 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
f5ea9120 1710
c5dd9c2b 1711 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1712 MPATH_INFO_SN |
c5dd9c2b
LCC		 1713 MPATH_INFO_METRIC |
1714 MPATH_INFO_EXPTIME |
1715 MPATH_INFO_DISCOVERY_TIMEOUT |
1716 MPATH_INFO_DISCOVERY_RETRIES |
1717 MPATH_INFO_FLAGS;
1718
1719 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1720 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1721 pinfo->metric = mpath->metric;
1722 if (time_before(jiffies, mpath->exp_time))
1723 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1724 pinfo->discovery_timeout =
1725 jiffies_to_msecs(mpath->discovery_timeout);
1726 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1727 if (mpath->flags & MESH_PATH_ACTIVE)
1728 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1729 if (mpath->flags & MESH_PATH_RESOLVING)
1730 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1731 if (mpath->flags & MESH_PATH_SN_VALID)
1732 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1733 if (mpath->flags & MESH_PATH_FIXED)
1734 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1735 if (mpath->flags & MESH_PATH_RESOLVED)
1736 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1737}
1738
1739static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1740 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1741
1742{
14db74bc 1743 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1744 struct mesh_path *mpath;
1745
14db74bc
JB		 1746 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1747
c5dd9c2b 1748 rcu_read_lock();
bf7cd94d 1749 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1750 if (!mpath) {
1751 rcu_read_unlock();
1752 return -ENOENT;
1753 }
1754 memcpy(dst, mpath->dst, ETH_ALEN);
1755 mpath_set_pinfo(mpath, next_hop, pinfo);
1756 rcu_read_unlock();
1757 return 0;
1758}
1759
1760static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1761 int idx, u8 *dst, u8 *next_hop,
1762 struct mpath_info *pinfo)
c5dd9c2b 1763{
14db74bc 1764 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1765 struct mesh_path *mpath;
1766
14db74bc
JB		 1767 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1768
c5dd9c2b 1769 rcu_read_lock();
bf7cd94d 1770 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1771 if (!mpath) {
1772 rcu_read_unlock();
1773 return -ENOENT;
1774 }
1775 memcpy(dst, mpath->dst, ETH_ALEN);
1776 mpath_set_pinfo(mpath, next_hop, pinfo);
1777 rcu_read_unlock();
1778 return 0;
1779}
93da9cc1 1780
a2db2ed3
HR		 1781static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1782 struct mpath_info *pinfo)
1783{
1784 memset(pinfo, 0, sizeof(*pinfo));
1785 memcpy(mpp, mpath->mpp, ETH_ALEN);
1786
2bdaf386 1787 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
a2db2ed3
HR		 1788}
1789
1790static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1791 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1792
1793{
1794 struct ieee80211_sub_if_data *sdata;
1795 struct mesh_path *mpath;
1796
1797 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1798
1799 rcu_read_lock();
1800 mpath = mpp_path_lookup(sdata, dst);
1801 if (!mpath) {
1802 rcu_read_unlock();
1803 return -ENOENT;
1804 }
1805 memcpy(dst, mpath->dst, ETH_ALEN);
1806 mpp_set_pinfo(mpath, mpp, pinfo);
1807 rcu_read_unlock();
1808 return 0;
1809}
1810
1811static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1812 int idx, u8 *dst, u8 *mpp,
1813 struct mpath_info *pinfo)
1814{
1815 struct ieee80211_sub_if_data *sdata;
1816 struct mesh_path *mpath;
1817
1818 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1819
1820 rcu_read_lock();
1821 mpath = mpp_path_lookup_by_idx(sdata, idx);
1822 if (!mpath) {
1823 rcu_read_unlock();
1824 return -ENOENT;
1825 }
1826 memcpy(dst, mpath->dst, ETH_ALEN);
1827 mpp_set_pinfo(mpath, mpp, pinfo);
1828 rcu_read_unlock();
1829 return 0;
1830}
1831
24bdd9f4 1832static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1833 struct net_device *dev,
1834 struct mesh_config *conf)
1835{
1836 struct ieee80211_sub_if_data *sdata;
1837 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1838
93da9cc1 1839 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1840 return 0;
1841}
1842
1843static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1844{
1845 return (mask >> (parm-1)) & 0x1;
1846}
1847
c80d545d
JC		 1848static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1849 const struct mesh_setup *setup)
1850{
1851 u8 *new_ie;
1852 const u8 *old_ie;
4bb62344
CYY		 1853 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1854 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1855
581a8b0f 1856 /* allocate information elements */
c80d545d 1857 new_ie = NULL;
581a8b0f 1858 old_ie = ifmsh->ie;
c80d545d 1859
581a8b0f
JC		 1860 if (setup->ie_len) {
1861 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1862 GFP_KERNEL);
1863 if (!new_ie)
1864 return -ENOMEM;
1865 }
581a8b0f
JC		 1866 ifmsh->ie_len = setup->ie_len;
1867 ifmsh->ie = new_ie;
1868 kfree(old_ie);
c80d545d
JC		 1869
1870 /* now copy the rest of the setup parameters */
1871 ifmsh->mesh_id_len = setup->mesh_id_len;
1872 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1873 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1874 ifmsh->mesh_pp_id = setup->path_sel_proto;
1875 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1876 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1877 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1878 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1879 if (setup->is_authenticated)
1880 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1881 if (setup->is_secure)
1882 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1883
4bb62344
CYY		 1884 /* mcast rate setting in Mesh Node */
1885 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1886 sizeof(setup->mcast_rate));
ffb3cf30 1887 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1888
9bdbf04d
MP		 1889 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1890 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1891
c80d545d
JC		 1892 return 0;
1893}
1894
24bdd9f4 1895static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1896 struct net_device *dev, u32 mask,
1897 const struct mesh_config *nconf)
93da9cc1 1898{
1899 struct mesh_config *conf;
1900 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1901 struct ieee80211_if_mesh *ifmsh;
1902
93da9cc1 1903 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1904 ifmsh = &sdata->u.mesh;
93da9cc1 1905
93da9cc1 1906 /* Set the config options which we are interested in setting */
1907 conf = &(sdata->u.mesh.mshcfg);
1908 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1909 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1910 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1911 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1912 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1913 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1914 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1915 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1916 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1917 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1918 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1919 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1920 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1921 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1922 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1923 if (ifmsh->user_mpm)
1924 return -EBUSY;
93da9cc1 1925 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1926 }
d299a1f2
JC		 1927 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1928 conf->dot11MeshNbrOffsetMaxNeighbor =
1929 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1930 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1931 conf->dot11MeshHWMPmaxPREQretries =
1932 nconf->dot11MeshHWMPmaxPREQretries;
1933 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1934 conf->path_refresh_time = nconf->path_refresh_time;
1935 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1936 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1937 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1938 conf->dot11MeshHWMPactivePathTimeout =
1939 nconf->dot11MeshHWMPactivePathTimeout;
1940 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1941 conf->dot11MeshHWMPpreqMinInterval =
1942 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1943 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1944 conf->dot11MeshHWMPperrMinInterval =
1945 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1946 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1947 mask))
1948 conf->dot11MeshHWMPnetDiameterTraversalTime =
1949 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1950 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1951 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1952 ieee80211_mesh_root_setup(ifmsh);
1953 }
16dd7267 1954 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1955 /* our current gate announcement implementation rides on root
1956 * announcements, so require this ifmsh to also be a root node
1957 * */
1958 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1959 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1960 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1961 ieee80211_mesh_root_setup(ifmsh);
1962 }
16dd7267
JC		 1963 conf->dot11MeshGateAnnouncementProtocol =
1964 nconf->dot11MeshGateAnnouncementProtocol;
1965 }
a4f606ea 1966 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1967 conf->dot11MeshHWMPRannInterval =
1968 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1969 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1970 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1971 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1972 /* our RSSI threshold implementation is supported only for
1973 * devices that report signal in dBm.
1974 */
30686bf7 1975 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
55335137
AN		 1976 return -ENOTSUPP;
1977 conf->rssi_threshold = nconf->rssi_threshold;
1978 }
70c33eaa
AN		 1979 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1980 conf->ht_opmode = nconf->ht_opmode;
1981 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1982 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1983 }
ac1073a6
CYY		 1984 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1985 conf->dot11MeshHWMPactivePathToRootTimeout =
1986 nconf->dot11MeshHWMPactivePathToRootTimeout;
1987 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1988 conf->dot11MeshHWMProotInterval =
1989 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1990 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1991 conf->dot11MeshHWMPconfirmationInterval =
1992 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1993 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1994 conf->power_mode = nconf->power_mode;
1995 ieee80211_mps_local_status_update(sdata);
1996 }
2b5e1967 1997 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1998 conf->dot11MeshAwakeWindowDuration =
1999 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 2000 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2001 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 2002 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 2003 return 0;
2004}
2005
29cbe68c
JB		 2006static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2007 const struct mesh_config *conf,
2008 const struct mesh_setup *setup)
2009{
2010 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2011 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 2012 int err;
29cbe68c 2013
c80d545d
JC		 2014 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2015 err = copy_mesh_setup(ifmsh, setup);
2016 if (err)
2017 return err;
cc1d2806 2018
04ecd257
JB		 2019 /* can mesh use other SMPS modes? */
2020 sdata->smps_mode = IEEE80211_SMPS_OFF;
2021 sdata->needed_rx_chains = sdata->local->rx_chains;
2022
34a3740d 2023 mutex_lock(&sdata->local->mtx);
4bf88530 2024 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 2025 IEEE80211_CHANCTX_SHARED);
34a3740d 2026 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 2027 if (err)
2028 return err;
2029
2b5e1967 2030 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 2031}
2032
2033static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2034{
2035 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2036
2037 ieee80211_stop_mesh(sdata);
34a3740d 2038 mutex_lock(&sdata->local->mtx);
55de908a 2039 ieee80211_vif_release_channel(sdata);
34a3740d 2040 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 2041
2042 return 0;
2043}
c5dd9c2b
LCC		 2044#endif
2045
9f1ba906
JM		 2046static int ieee80211_change_bss(struct wiphy *wiphy,
2047 struct net_device *dev,
2048 struct bss_parameters *params)
2049{
55de908a 2050 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
57fbcce3 2051 enum nl80211_band band;
9f1ba906
JM		 2052 u32 changed = 0;
2053
7ca133bc 2054 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 2055 return -ENOENT;
2056
2057 band = ieee80211_get_sdata_band(sdata);
9f1ba906 2058
9f1ba906 2059 if (params->use_cts_prot >= 0) {
bda3933a 2060 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 2061 changed |= BSS_CHANGED_ERP_CTS_PROT;
2062 }
2063 if (params->use_short_preamble >= 0) {
bda3933a 2064 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 2065 params->use_short_preamble;
2066 changed |= BSS_CHANGED_ERP_PREAMBLE;
2067 }
43d35343
FF		 2068
2069 if (!sdata->vif.bss_conf.use_short_slot &&
57fbcce3 2070 band == NL80211_BAND_5GHZ) {
43d35343
FF		 2071 sdata->vif.bss_conf.use_short_slot = true;
2072 changed |= BSS_CHANGED_ERP_SLOT;
2073 }
2074
9f1ba906 2075 if (params->use_short_slot_time >= 0) {
bda3933a 2076 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2077 params->use_short_slot_time;
2078 changed |= BSS_CHANGED_ERP_SLOT;
2079 }
2080
90c97a04 2081 if (params->basic_rates) {
2103dec1
SW		 2082 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2083 wiphy->bands[band],
2084 params->basic_rates,
2085 params->basic_rates_len,
2086 &sdata->vif.bss_conf.basic_rates);
90c97a04 2087 changed |= BSS_CHANGED_BASIC_RATES;
e8e4f528 2088 ieee80211_check_rate_mask(sdata);
90c97a04
JM		 2089 }
2090
7b7b5e56
FF		 2091 if (params->ap_isolate >= 0) {
2092 if (params->ap_isolate)
2093 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2094 else
2095 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
49ddf8e6 2096 ieee80211_check_fast_rx_iface(sdata);
7b7b5e56
FF		 2097 }
2098
80d7e403
HS		 2099 if (params->ht_opmode >= 0) {
2100 sdata->vif.bss_conf.ht_operation_mode =
2101 (u16) params->ht_opmode;
2102 changed |= BSS_CHANGED_HT;
2103 }
2104
339afbf4 2105 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2106 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2107 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2108 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2109 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2110 changed |= BSS_CHANGED_P2P_PS;
2111 }
2112
67baf663
JD		 2113 if (params->p2p_opp_ps > 0) {
2114 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2115 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2116 changed |= BSS_CHANGED_P2P_PS;
2117 } else if (params->p2p_opp_ps == 0) {
2118 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2119 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2120 changed |= BSS_CHANGED_P2P_PS;
2121 }
2122
9f1ba906
JM		 2123 ieee80211_bss_info_change_notify(sdata, changed);
2124
2125 return 0;
2126}
2127
31888487 2128static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2129 struct net_device *dev,
31888487
JM		 2130 struct ieee80211_txq_params *params)
2131{
2132 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2133 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2134 struct ieee80211_tx_queue_params p;
2135
2136 if (!local->ops->conf_tx)
2137 return -EOPNOTSUPP;
2138
54bcbc69
JB		 2139 if (local->hw.queues < IEEE80211_NUM_ACS)
2140 return -EOPNOTSUPP;
2141
31888487
JM		 2142 memset(&p, 0, sizeof(p));
2143 p.aifs = params->aifs;
2144 p.cw_max = params->cwmax;
2145 p.cw_min = params->cwmin;
2146 p.txop = params->txop;
ab13315a
KV		 2147
2148 /*
2149 * Setting tx queue params disables u-apsd because it's only
2150 * called in master mode.
2151 */
2152 p.uapsd = false;
2153
a3304b0a
JB		 2154 sdata->tx_conf[params->ac] = p;
2155 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2156 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2157 "failed to set TX queue parameters for AC %d\n",
2158 params->ac);
31888487
JM		 2159 return -EINVAL;
2160 }
2161
7d25745d
JB		 2162 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2163
31888487
JM		 2164 return 0;
2165}
2166
665af4fc 2167#ifdef CONFIG_PM
ff1b6e69
JB		 2168static int ieee80211_suspend(struct wiphy *wiphy,
2169 struct cfg80211_wowlan *wowlan)
665af4fc 2170{
eecc4800 2171 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2172}
2173
2174static int ieee80211_resume(struct wiphy *wiphy)
2175{
2176 return __ieee80211_resume(wiphy_priv(wiphy));
2177}
2178#else
2179#define ieee80211_suspend NULL
2180#define ieee80211_resume NULL
2181#endif
2182
2a519311 2183static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2184 struct cfg80211_scan_request *req)
2185{
fd014284
JB		 2186 struct ieee80211_sub_if_data *sdata;
2187
2188 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2189
2ca27bcf
JB		 2190 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2191 case NL80211_IFTYPE_STATION:
2192 case NL80211_IFTYPE_ADHOC:
2193 case NL80211_IFTYPE_MESH_POINT:
2194 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2195 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2196 break;
2197 case NL80211_IFTYPE_P2P_GO:
2198 if (sdata->local->ops->hw_scan)
2199 break;
e9d7732e
JB		 2200 /*
2201 * FIXME: implement NoA while scanning in software,
2202 * for now fall through to allow scanning only when
2203 * beaconing hasn't been configured yet
2204 */
2ca27bcf 2205 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2206 /*
2207 * If the scan has been forced (and the driver supports
2208 * forcing), don't care about being beaconing already.
2209 * This will create problems to the attached stations (e.g. all
2210 * the frames sent while scanning on other channel will be
2211 * lost)
2212 */
2213 if (sdata->u.ap.beacon &&
2214 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2215 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2216 return -EOPNOTSUPP;
2217 break;
cb3b7d87 2218 case NL80211_IFTYPE_NAN:
2ca27bcf
JB		 2219 default:
2220 return -EOPNOTSUPP;
2221 }
2a519311
JB		 2222
2223 return ieee80211_request_scan(sdata, req);
2224}
2225
91f123f2
VK		 2226static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2227{
2228 ieee80211_scan_cancel(wiphy_priv(wiphy));
2229}
2230
79f460ca
LC		 2231static int
2232ieee80211_sched_scan_start(struct wiphy *wiphy,
2233 struct net_device *dev,
2234 struct cfg80211_sched_scan_request *req)
2235{
2236 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2237
2238 if (!sdata->local->ops->sched_scan_start)
2239 return -EOPNOTSUPP;
2240
2241 return ieee80211_request_sched_scan_start(sdata, req);
2242}
2243
2244static int
85a9994a 2245ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca 2246{
0d440ea2 2247 struct ieee80211_local *local = wiphy_priv(wiphy);
79f460ca 2248
0d440ea2 2249 if (!local->ops->sched_scan_stop)
79f460ca
LC		 2250 return -EOPNOTSUPP;
2251
0d440ea2 2252 return ieee80211_request_sched_scan_stop(local);
79f460ca
LC		 2253}
2254
636a5d36
JM		 2255static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2256 struct cfg80211_auth_request *req)
2257{
77fdaa12 2258 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2259}
2260
2261static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2262 struct cfg80211_assoc_request *req)
2263{
77fdaa12 2264 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2265}
2266
2267static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2268 struct cfg80211_deauth_request *req)
636a5d36 2269{
63c9c5e7 2270 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2271}
2272
2273static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2274 struct cfg80211_disassoc_request *req)
636a5d36 2275{
63c9c5e7 2276 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2277}
2278
af8cdcd8
JB		 2279static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2280 struct cfg80211_ibss_params *params)
2281{
55de908a 2282 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2283}
2284
2285static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2286{
55de908a 2287 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2288}
2289
239281f8
RL		 2290static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2291 struct ocb_setup *setup)
2292{
2293 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2294}
2295
2296static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2297{
2298 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2299}
2300
391e53e3 2301static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
57fbcce3 2302 int rate[NUM_NL80211_BANDS])
391e53e3
AQ		 2303{
2304 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2305
9887dbf5 2306 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
57fbcce3 2307 sizeof(int) * NUM_NL80211_BANDS);
391e53e3
AQ		 2308
2309 return 0;
2310}
2311
b9a5f8ca
JM		 2312static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2313{
2314 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2315 int err;
b9a5f8ca 2316
f23a4780 2317 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2318 ieee80211_check_fast_xmit_all(local);
2319
f23a4780
AN		 2320 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2321
17c18bf8
JB		 2322 if (err) {
2323 ieee80211_check_fast_xmit_all(local);
f23a4780 2324 return err;
17c18bf8 2325 }
f23a4780
AN		 2326 }
2327
a4bcaf55
LB		 2328 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2329 (changed & WIPHY_PARAM_DYN_ACK)) {
2330 s16 coverage_class;
2331
2332 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2333 wiphy->coverage_class : -1;
2334 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2335
2336 if (err)
2337 return err;
2338 }
2339
b9a5f8ca 2340 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2341 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2342
24487981
JB		 2343 if (err)
2344 return err;
b9a5f8ca
JM		 2345 }
2346
8bc83c24
JB		 2347 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2348 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2349 return -EINVAL;
b9a5f8ca 2350 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2351 }
2352 if (changed & WIPHY_PARAM_RETRY_LONG) {
2353 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2354 return -EINVAL;
b9a5f8ca 2355 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2356 }
b9a5f8ca
JM		 2357 if (changed &
2358 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2359 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2360
2361 return 0;
2362}
2363
7643a2c3 2364static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2365 struct wireless_dev *wdev,
fa61cf70 2366 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2367{
2368 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2369 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2370 enum nl80211_tx_power_setting txp_type = type;
2371 bool update_txp_type = false;
7643a2c3 2372
1ea6f9c0
JB		 2373 if (wdev) {
2374 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2375
2376 switch (type) {
2377 case NL80211_TX_POWER_AUTOMATIC:
2378 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2379 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2380 break;
2381 case NL80211_TX_POWER_LIMITED:
2382 case NL80211_TX_POWER_FIXED:
2383 if (mbm < 0 || (mbm % 100))
2384 return -EOPNOTSUPP;
2385 sdata->user_power_level = MBM_TO_DBM(mbm);
2386 break;
2387 }
2388
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 }
2393
2394 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2395
2396 return 0;
2397 }
55de908a 2398
7643a2c3 2399 switch (type) {
fa61cf70 2400 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2401 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2402 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2403 break;
fa61cf70 2404 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2405 case NL80211_TX_POWER_FIXED:
2406 if (mbm < 0 || (mbm % 100))
2407 return -EOPNOTSUPP;
fa61cf70 2408 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2409 break;
7643a2c3
JB		 2410 }
2411
1ea6f9c0 2412 mutex_lock(&local->iflist_mtx);
db82d8a9 2413 list_for_each_entry(sdata, &local->interfaces, list) {
1ea6f9c0 2414 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2415 if (txp_type != sdata->vif.bss_conf.txpower_type)
2416 update_txp_type = true;
2417 sdata->vif.bss_conf.txpower_type = txp_type;
2418 }
1ea6f9c0 2419 list_for_each_entry(sdata, &local->interfaces, list)
db82d8a9 2420 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0 2421 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2422
2423 return 0;
2424}
2425
c8442118
JB		 2426static int ieee80211_get_tx_power(struct wiphy *wiphy,
2427 struct wireless_dev *wdev,
2428 int *dbm)
7643a2c3
JB		 2429{
2430 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2431 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2432
5b3dc42b
FF		 2433 if (local->ops->get_txpower)
2434 return drv_get_txpower(local, sdata, dbm);
2435
1ea6f9c0
JB		 2436 if (!local->use_chanctx)
2437 *dbm = local->hw.conf.power_level;
2438 else
2439 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2440
7643a2c3
JB		 2441 return 0;
2442}
2443
ab737a4f 2444static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2445 const u8 *addr)
ab737a4f
JB		 2446{
2447 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2448
2449 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2450
2451 return 0;
2452}
2453
1f87f7d3
JB		 2454static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2455{
2456 struct ieee80211_local *local = wiphy_priv(wiphy);
2457
2458 drv_rfkill_poll(local);
2459}
2460
aff89a9b 2461#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2462static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2463 struct wireless_dev *wdev,
2464 void *data, int len)
aff89a9b
JB		 2465{
2466 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2467 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2468
2469 if (!local->ops->testmode_cmd)
2470 return -EOPNOTSUPP;
2471
52981cd7
DS		 2472 if (wdev) {
2473 struct ieee80211_sub_if_data *sdata;
2474
2475 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2476 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2477 vif = &sdata->vif;
2478 }
2479
2480 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2481}
71063f0e
WYG		 2482
2483static int ieee80211_testmode_dump(struct wiphy *wiphy,
2484 struct sk_buff *skb,
2485 struct netlink_callback *cb,
2486 void *data, int len)
2487{
2488 struct ieee80211_local *local = wiphy_priv(wiphy);
2489
2490 if (!local->ops->testmode_dump)
2491 return -EOPNOTSUPP;
2492
2493 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2494}
aff89a9b
JB		 2495#endif
2496
687da132
EG		 2497int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2498 enum ieee80211_smps_mode smps_mode)
2499{
2500 struct sta_info *sta;
2501 enum ieee80211_smps_mode old_req;
687da132
EG		 2502
2503 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2504 return -EINVAL;
2505
2506 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2507 return 0;
2508
2509 old_req = sdata->u.ap.req_smps;
2510 sdata->u.ap.req_smps = smps_mode;
2511
2512 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2513 if (old_req == smps_mode ||
2514 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2515 return 0;
2516
687da132 2517 ht_dbg(sdata,
6a8b4adb 2518 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2519 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2520
2521 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2522 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2523 /*
2524 * Only stations associated to our AP and
2525 * associated VLANs
2526 */
2527 if (sta->sdata->bss != &sdata->u.ap)
2528 continue;
687da132 2529
7d9bb2f0
JB		 2530 /* This station doesn't support MIMO - skip it */
2531 if (sta_info_tx_streams(sta) == 1)
2532 continue;
687da132 2533
7d9bb2f0
JB		 2534 /*
2535 * Don't wake up a STA just to send the action frame
2536 * unless we are getting more restrictive.
2537 */
2538 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2539 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2540 smps_mode)) {
2541 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2542 sta->sta.addr);
2543 continue;
2544 }
687da132 2545
7d9bb2f0
JB		 2546 /*
2547 * If the STA is not authorized, wait until it gets
2548 * authorized and the action frame will be sent then.
2549 */
2550 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2551 continue;
687da132 2552
7d9bb2f0
JB		 2553 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2554 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2555 sdata->vif.bss_conf.bssid);
687da132
EG		 2556 }
2557 mutex_unlock(&sdata->local->sta_mtx);
2558
2559 sdata->smps_mode = smps_mode;
2560 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2561
2562 return 0;
2563}
2564
2565int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2566 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2567{
2568 const u8 *ap;
2569 enum ieee80211_smps_mode old_req;
2570 int err;
d51c2ea3
AN		 2571 struct sta_info *sta;
2572 bool tdls_peer_found = false;
0f78231b 2573
8d61ffa5 2574 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2575
687da132
EG		 2576 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2577 return -EINVAL;
2578
0f78231b
JB		 2579 old_req = sdata->u.mgd.req_smps;
2580 sdata->u.mgd.req_smps = smps_mode;
2581
2582 if (old_req == smps_mode &&
2583 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2584 return 0;
2585
2586 /*
2587 * If not associated, or current association is not an HT
04ecd257
JB		 2588 * association, there's no need to do anything, just store
2589 * the new value until we associate.
0f78231b
JB		 2590 */
2591 if (!sdata->u.mgd.associated ||
4bf88530 2592 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2593 return 0;
0f78231b 2594
0c1ad2ca 2595 ap = sdata->u.mgd.associated->bssid;
0f78231b 2596
d51c2ea3
AN		 2597 rcu_read_lock();
2598 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2599 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2600 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2601 continue;
2602
2603 tdls_peer_found = true;
2604 break;
2605 }
2606 rcu_read_unlock();
2607
0f78231b 2608 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
d51c2ea3 2609 if (tdls_peer_found || !sdata->u.mgd.powersave)
0f78231b 2610 smps_mode = IEEE80211_SMPS_OFF;
d51c2ea3
AN		 2611 else
2612 smps_mode = IEEE80211_SMPS_DYNAMIC;
0f78231b
JB		 2613 }
2614
2615 /* send SM PS frame to AP */
2616 err = ieee80211_send_smps_action(sdata, smps_mode,
2617 ap, ap);
2618 if (err)
2619 sdata->u.mgd.req_smps = old_req;
d51c2ea3
AN		 2620 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2621 ieee80211_teardown_tdls_peers(sdata);
0f78231b
JB		 2622
2623 return err;
2624}
2625
bc92afd9
JB		 2626static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2627 bool enabled, int timeout)
2628{
2629 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2630 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2631
2d3db210 2632 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2633 return -EOPNOTSUPP;
2634
30686bf7 2635 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
bc92afd9
JB		 2636 return -EOPNOTSUPP;
2637
2638 if (enabled == sdata->u.mgd.powersave &&
ff616381 2639 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2640 return 0;
2641
2642 sdata->u.mgd.powersave = enabled;
ff616381 2643 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2644
0f78231b 2645 /* no change, but if automatic follow powersave */
ed405be5 2646 sdata_lock(sdata);
687da132 2647 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2648 sdata_unlock(sdata);
0f78231b 2649
30686bf7 2650 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
bc92afd9
JB		 2651 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2652
4a733ef1 2653 ieee80211_recalc_ps(local);
ab095877 2654 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2655
2656 return 0;
2657}
2658
a97c13c3
JO		 2659static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2660 struct net_device *dev,
2661 s32 rssi_thold, u32 rssi_hyst)
2662{
2663 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2664 struct ieee80211_vif *vif = &sdata->vif;
2665 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2666
a97c13c3
JO		 2667 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2668 rssi_hyst == bss_conf->cqm_rssi_hyst)
2669 return 0;
2670
ef9be10c
JB		 2671 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2672 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2673 return -EOPNOTSUPP;
2674
a97c13c3
JO		 2675 bss_conf->cqm_rssi_thold = rssi_thold;
2676 bss_conf->cqm_rssi_hyst = rssi_hyst;
2c3c5f8c
AZ		 2677 bss_conf->cqm_rssi_low = 0;
2678 bss_conf->cqm_rssi_high = 0;
2679 sdata->u.mgd.last_cqm_event_signal = 0;
2680
2681 /* tell the driver upon association, unless already associated */
2682 if (sdata->u.mgd.associated &&
2683 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2684 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2685
2686 return 0;
2687}
2688
2689static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2690 struct net_device *dev,
2691 s32 rssi_low, s32 rssi_high)
2692{
2693 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2694 struct ieee80211_vif *vif = &sdata->vif;
2695 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2696
2697 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2698 return -EOPNOTSUPP;
2699
2700 bss_conf->cqm_rssi_low = rssi_low;
2701 bss_conf->cqm_rssi_high = rssi_high;
2702 bss_conf->cqm_rssi_thold = 0;
2703 bss_conf->cqm_rssi_hyst = 0;
babc305e 2704 sdata->u.mgd.last_cqm_event_signal = 0;
a97c13c3
JO		 2705
2706 /* tell the driver upon association, unless already associated */
ea086359
JB		 2707 if (sdata->u.mgd.associated &&
2708 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2709 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2710
2711 return 0;
2712}
2713
9930380f
JB		 2714static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2715 struct net_device *dev,
2716 const u8 *addr,
2717 const struct cfg80211_bitrate_mask *mask)
2718{
2719 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2720 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2721 int i, ret;
2c7e6bc9 2722
554a43d5
EP		 2723 if (!ieee80211_sdata_running(sdata))
2724 return -ENETDOWN;
2725
30686bf7 2726 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
bdbfd6b5
SM		 2727 ret = drv_set_bitrate_mask(local, sdata, mask);
2728 if (ret)
2729 return ret;
2730 }
9930380f 2731
e8e4f528
JB		 2732 /*
2733 * If active validate the setting and reject it if it doesn't leave
2734 * at least one basic rate usable, since we really have to be able
2735 * to send something, and if we're an AP we have to be able to do
2736 * so at a basic rate so that all clients can receive it.
2737 */
2738 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2739 sdata->vif.bss_conf.chandef.chan) {
2740 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2741 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2742
2743 if (!(mask->control[band].legacy & basic_rates))
2744 return -EINVAL;
2745 }
2746
57fbcce3 2747 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2ffbe6d3
FF		 2748 struct ieee80211_supported_band *sband = wiphy->bands[i];
2749 int j;
2750
37eb0b16 2751 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2752 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2753 sizeof(mask->control[i].ht_mcs));
b119ad6e
LB		 2754 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2755 mask->control[i].vht_mcs,
2756 sizeof(mask->control[i].vht_mcs));
2ffbe6d3
FF		 2757
2758 sdata->rc_has_mcs_mask[i] = false;
b119ad6e 2759 sdata->rc_has_vht_mcs_mask[i] = false;
2ffbe6d3
FF		 2760 if (!sband)
2761 continue;
2762
b119ad6e 2763 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2df1b131 2764 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2ffbe6d3 2765 sdata->rc_has_mcs_mask[i] = true;
2df1b131
JB		 2766 break;
2767 }
2768 }
b119ad6e 2769
2df1b131
JB		 2770 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2771 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
b119ad6e 2772 sdata->rc_has_vht_mcs_mask[i] = true;
2ffbe6d3 2773 break;
2df1b131 2774 }
b119ad6e 2775 }
19468413 2776 }
9930380f 2777
37eb0b16 2778 return 0;
9930380f
JB		 2779}
2780
164eb02d
SW		 2781static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2782 struct net_device *dev,
31559f35
JD		 2783 struct cfg80211_chan_def *chandef,
2784 u32 cac_time_ms)
164eb02d
SW		 2785{
2786 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2787 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2788 int err;
2789
34a3740d
JB		 2790 mutex_lock(&local->mtx);
2791 if (!list_empty(&local->roc_list) || local->scanning) {
2792 err = -EBUSY;
2793 goto out_unlock;
2794 }
164eb02d
SW		 2795
2796 /* whatever, but channel contexts should not complain about that one */
2797 sdata->smps_mode = IEEE80211_SMPS_OFF;
2798 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2799
164eb02d
SW		 2800 err = ieee80211_vif_use_channel(sdata, chandef,
2801 IEEE80211_CHANCTX_SHARED);
164eb02d 2802 if (err)
34a3740d 2803 goto out_unlock;
164eb02d 2804
164eb02d 2805 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2806 &sdata->dfs_cac_timer_work,
2807 msecs_to_jiffies(cac_time_ms));
164eb02d 2808
34a3740d
JB		 2809 out_unlock:
2810 mutex_unlock(&local->mtx);
2811 return err;
164eb02d
SW		 2812}
2813
73da7d5b
SW		 2814static struct cfg80211_beacon_data *
2815cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2816{
2817 struct cfg80211_beacon_data *new_beacon;
2818 u8 *pos;
2819 int len;
2820
2821 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2822 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2823 beacon->probe_resp_len;
2824
2825 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2826 if (!new_beacon)
2827 return NULL;
2828
2829 pos = (u8 *)(new_beacon + 1);
2830 if (beacon->head_len) {
2831 new_beacon->head_len = beacon->head_len;
2832 new_beacon->head = pos;
2833 memcpy(pos, beacon->head, beacon->head_len);
2834 pos += beacon->head_len;
2835 }
2836 if (beacon->tail_len) {
2837 new_beacon->tail_len = beacon->tail_len;
2838 new_beacon->tail = pos;
2839 memcpy(pos, beacon->tail, beacon->tail_len);
2840 pos += beacon->tail_len;
2841 }
2842 if (beacon->beacon_ies_len) {
2843 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2844 new_beacon->beacon_ies = pos;
2845 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2846 pos += beacon->beacon_ies_len;
2847 }
2848 if (beacon->proberesp_ies_len) {
2849 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2850 new_beacon->proberesp_ies = pos;
2851 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2852 pos += beacon->proberesp_ies_len;
2853 }
2854 if (beacon->assocresp_ies_len) {
2855 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2856 new_beacon->assocresp_ies = pos;
2857 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2858 pos += beacon->assocresp_ies_len;
2859 }
2860 if (beacon->probe_resp_len) {
2861 new_beacon->probe_resp_len = beacon->probe_resp_len;
2862 beacon->probe_resp = pos;
2863 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2864 pos += beacon->probe_resp_len;
2865 }
2866
2867 return new_beacon;
2868}
2869
66e01cf9 2870void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2871{
66e01cf9 2872 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2873
66e01cf9
LC		 2874 ieee80211_queue_work(&sdata->local->hw,
2875 &sdata->csa_finalize_work);
2876}
2877EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2878
66199506
MK		 2879static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2880 u32 *changed)
66e01cf9 2881{
66199506 2882 int err;
7578d575 2883
cd7760e6
SW		 2884 switch (sdata->vif.type) {
2885 case NL80211_IFTYPE_AP:
af296bdb
MK		 2886 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2887 NULL);
97518af1
MK		 2888 kfree(sdata->u.ap.next_beacon);
2889 sdata->u.ap.next_beacon = NULL;
2890
cd7760e6 2891 if (err < 0)
66199506
MK		 2892 return err;
2893 *changed |= err;
cd7760e6
SW		 2894 break;
2895 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2896 err = ieee80211_ibss_finish_csa(sdata);
2897 if (err < 0)
66199506
MK		 2898 return err;
2899 *changed |= err;
cd7760e6 2900 break;
b8456a14
CYY		 2901#ifdef CONFIG_MAC80211_MESH
2902 case NL80211_IFTYPE_MESH_POINT:
2903 err = ieee80211_mesh_finish_csa(sdata);
2904 if (err < 0)
66199506
MK		 2905 return err;
2906 *changed |= err;
b8456a14
CYY		 2907 break;
2908#endif
cd7760e6
SW		 2909 default:
2910 WARN_ON(1);
66199506
MK		 2911 return -EINVAL;
2912 }
2913
2914 return 0;
2915}
2916
cf8767dd 2917static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2918{
2919 struct ieee80211_local *local = sdata->local;
2920 u32 changed = 0;
2921 int err;
2922
2923 sdata_assert_lock(sdata);
2924 lockdep_assert_held(&local->mtx);
03078de4 2925 lockdep_assert_held(&local->chanctx_mtx);
66199506 2926
03078de4
MK		 2927 /*
2928 * using reservation isn't immediate as it may be deferred until later
2929 * with multi-vif. once reservation is complete it will re-schedule the
2930 * work with no reserved_chanctx so verify chandef to check if it
2931 * completed successfully
2932 */
66199506 2933
03078de4
MK		 2934 if (sdata->reserved_chanctx) {
2935 /*
2936 * with multi-vif csa driver may call ieee80211_csa_finish()
2937 * many times while waiting for other interfaces to use their
2938 * reservations
2939 */
2940 if (sdata->reserved_ready)
2941 return 0;
2942
408b18ab 2943 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2944 }
73da7d5b 2945
03078de4
MK		 2946 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2947 &sdata->csa_chandef))
2948 return -EINVAL;
2949
66199506
MK		 2950 sdata->vif.csa_active = false;
2951
2952 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2953 if (err)
cf8767dd 2954 return err;
faf046e7 2955
66199506 2956 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2957
a46992b4
LC		 2958 if (sdata->csa_block_tx) {
2959 ieee80211_wake_vif_queues(local, sdata,
2960 IEEE80211_QUEUE_STOP_REASON_CSA);
2961 sdata->csa_block_tx = false;
2962 }
cf8767dd 2963
f1d65583
LC		 2964 err = drv_post_channel_switch(sdata);
2965 if (err)
2966 return err;
2967
2968 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2969
cf8767dd
MK		 2970 return 0;
2971}
2972
2973static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2974{
2975 if (__ieee80211_csa_finalize(sdata)) {
2976 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2977 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2978 GFP_KERNEL);
2979 }
66e01cf9
LC		 2980}
2981
2982void ieee80211_csa_finalize_work(struct work_struct *work)
2983{
2984 struct ieee80211_sub_if_data *sdata =
2985 container_of(work, struct ieee80211_sub_if_data,
2986 csa_finalize_work);
59af6928 2987 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 2988
2989 sdata_lock(sdata);
59af6928 2990 mutex_lock(&local->mtx);
03078de4 2991 mutex_lock(&local->chanctx_mtx);
59af6928 2992
66e01cf9
LC		 2993 /* AP might have been stopped while waiting for the lock. */
2994 if (!sdata->vif.csa_active)
2995 goto unlock;
2996
2997 if (!ieee80211_sdata_running(sdata))
2998 goto unlock;
2999
3000 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3001
3002unlock:
03078de4 3003 mutex_unlock(&local->chanctx_mtx);
59af6928 3004 mutex_unlock(&local->mtx);
e487eaeb 3005 sdata_unlock(sdata);
73da7d5b
SW		 3006}
3007
37fa2bdd
MK		 3008static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3009 struct cfg80211_csa_settings *params,
3010 u32 *changed)
73da7d5b 3011{
af296bdb 3012 struct ieee80211_csa_settings csa = {};
37fa2bdd 3013 int err;
73da7d5b 3014
73da7d5b
SW		 3015 switch (sdata->vif.type) {
3016 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3017 sdata->u.ap.next_beacon =
3018 cfg80211_beacon_dup(&params->beacon_after);
3019 if (!sdata->u.ap.next_beacon)
3020 return -ENOMEM;
3021
66e01cf9
LC		 3022 /*
3023 * With a count of 0, we don't have to wait for any
3024 * TBTT before switching, so complete the CSA
3025 * immediately. In theory, with a count == 1 we
3026 * should delay the switch until just before the next
3027 * TBTT, but that would complicate things so we switch
3028 * immediately too. If we would delay the switch
3029 * until the next TBTT, we would have to set the probe
3030 * response here.
3031 *
3032 * TODO: A channel switch with count <= 1 without
3033 * sending a CSA action frame is kind of useless,
3034 * because the clients won't know we're changing
3035 * channels. The action frame must be implemented
3036 * either here or in the userspace.
3037 */
3038 if (params->count <= 1)
3039 break;
3040
0d06d9ba
AO		 3041 if ((params->n_counter_offsets_beacon >
3042 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3043 (params->n_counter_offsets_presp >
3044 IEEE80211_MAX_CSA_COUNTERS_NUM))
3045 return -EINVAL;
9a774c78 3046
af296bdb
MK		 3047 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3048 csa.counter_offsets_presp = params->counter_offsets_presp;
3049 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3050 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3051 csa.count = params->count;
9a774c78 3052
af296bdb 3053 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3054 if (err < 0) {
3055 kfree(sdata->u.ap.next_beacon);
3056 return err;
3057 }
37fa2bdd 3058 *changed |= err;
66e01cf9 3059
cd7760e6
SW		 3060 break;
3061 case NL80211_IFTYPE_ADHOC:
3062 if (!sdata->vif.bss_conf.ibss_joined)
3063 return -EINVAL;
3064
3065 if (params->chandef.width != sdata->u.ibss.chandef.width)
3066 return -EINVAL;
3067
3068 switch (params->chandef.width) {
3069 case NL80211_CHAN_WIDTH_40:
3070 if (cfg80211_get_chandef_type(&params->chandef) !=
3071 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3072 return -EINVAL;
3073 case NL80211_CHAN_WIDTH_5:
3074 case NL80211_CHAN_WIDTH_10:
3075 case NL80211_CHAN_WIDTH_20_NOHT:
3076 case NL80211_CHAN_WIDTH_20:
3077 break;
3078 default:
3079 return -EINVAL;
3080 }
3081
3082 /* changes into another band are not supported */
3083 if (sdata->u.ibss.chandef.chan->band !=
3084 params->chandef.chan->band)
3085 return -EINVAL;
3086
66e01cf9
LC		 3087 /* see comments in the NL80211_IFTYPE_AP block */
3088 if (params->count > 1) {
3089 err = ieee80211_ibss_csa_beacon(sdata, params);
3090 if (err < 0)
3091 return err;
37fa2bdd 3092 *changed |= err;
66e01cf9
LC		 3093 }
3094
3095 ieee80211_send_action_csa(sdata, params);
3096
73da7d5b 3097 break;
c6da674a 3098#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3099 case NL80211_IFTYPE_MESH_POINT: {
3100 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3101
c6da674a
CYY		 3102 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3103 return -EINVAL;
3104
3105 /* changes into another band are not supported */
3106 if (sdata->vif.bss_conf.chandef.chan->band !=
3107 params->chandef.chan->band)
3108 return -EINVAL;
3109
c782bf8c 3110 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3111 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3112 if (!ifmsh->pre_value)
3113 ifmsh->pre_value = 1;
3114 else
3115 ifmsh->pre_value++;
3116 }
0cb4d4dc 3117
66e01cf9
LC		 3118 /* see comments in the NL80211_IFTYPE_AP block */
3119 if (params->count > 1) {
3120 err = ieee80211_mesh_csa_beacon(sdata, params);
3121 if (err < 0) {
3122 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3123 return err;
3124 }
37fa2bdd 3125 *changed |= err;
3f718fd8 3126 }
66e01cf9
LC		 3127
3128 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3129 ieee80211_send_action_csa(sdata, params);
3130
c6da674a 3131 break;
37fa2bdd 3132 }
c6da674a 3133#endif
73da7d5b
SW		 3134 default:
3135 return -EOPNOTSUPP;
3136 }
3137
37fa2bdd
MK		 3138 return 0;
3139}
3140
f29f58a9
LC		 3141static int
3142__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3143 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3144{
3145 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3146 struct ieee80211_local *local = sdata->local;
6d027bcc 3147 struct ieee80211_channel_switch ch_switch;
2b32713d 3148 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3149 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3150 u32 changed = 0;
3151 int err;
37fa2bdd
MK		 3152
3153 sdata_assert_lock(sdata);
59af6928 3154 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3155
3156 if (!list_empty(&local->roc_list) || local->scanning)
3157 return -EBUSY;
3158
3159 if (sdata->wdev.cac_started)
3160 return -EBUSY;
3161
3162 if (cfg80211_chandef_identical(&params->chandef,
3163 &sdata->vif.bss_conf.chandef))
3164 return -EINVAL;
3165
03078de4
MK		 3166 /* don't allow another channel switch if one is already active. */
3167 if (sdata->vif.csa_active)
3168 return -EBUSY;
3169
2b32713d
MK		 3170 mutex_lock(&local->chanctx_mtx);
3171 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3172 lockdep_is_held(&local->chanctx_mtx));
3173 if (!conf) {
03078de4
MK		 3174 err = -EBUSY;
3175 goto out;
37fa2bdd
MK		 3176 }
3177
2b32713d 3178 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
37fa2bdd 3179
000baa5d
LC		 3180 ch_switch.timestamp = 0;
3181 ch_switch.device_timestamp = 0;
3182 ch_switch.block_tx = params->block_tx;
3183 ch_switch.chandef = params->chandef;
3184 ch_switch.count = params->count;
3185
6d027bcc
LC		 3186 err = drv_pre_channel_switch(sdata, &ch_switch);
3187 if (err)
3188 goto out;
3189
03078de4
MK		 3190 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3191 chanctx->mode,
3192 params->radar_required);
3193 if (err)
3194 goto out;
37fa2bdd 3195
03078de4
MK		 3196 /* if reservation is invalid then this will fail */
3197 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3198 if (err) {
3199 ieee80211_vif_unreserve_chanctx(sdata);
3200 goto out;
3201 }
37fa2bdd
MK		 3202
3203 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3204 if (err) {
3205 ieee80211_vif_unreserve_chanctx(sdata);
3206 goto out;
3207 }
37fa2bdd 3208
33787fc4 3209 sdata->csa_chandef = params->chandef;
59af6928 3210 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3211 sdata->vif.csa_active = true;
3212
59af6928 3213 if (sdata->csa_block_tx)
a46992b4
LC		 3214 ieee80211_stop_vif_queues(local, sdata,
3215 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3216
2f457293
LC		 3217 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3218 params->count);
3219
66e01cf9
LC		 3220 if (changed) {
3221 ieee80211_bss_info_change_notify(sdata, changed);
3222 drv_channel_switch_beacon(sdata, &params->chandef);
3223 } else {
3224 /* if the beacon didn't change, we can finalize immediately */
3225 ieee80211_csa_finalize(sdata);
3226 }
73da7d5b 3227
03078de4
MK		 3228out:
3229 mutex_unlock(&local->chanctx_mtx);
3230 return err;
73da7d5b
SW		 3231}
3232
59af6928
MK		 3233int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3234 struct cfg80211_csa_settings *params)
3235{
3236 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3237 struct ieee80211_local *local = sdata->local;
3238 int err;
3239
3240 mutex_lock(&local->mtx);
3241 err = __ieee80211_channel_switch(wiphy, dev, params);
3242 mutex_unlock(&local->mtx);
3243
3244 return err;
3245}
3246
a2fcfccb
JB		 3247u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3248{
3249 lockdep_assert_held(&local->mtx);
3250
3251 local->roc_cookie_counter++;
3252
3253 /* wow, you wrapped 64 bits ... more likely a bug */
3254 if (WARN_ON(local->roc_cookie_counter == 0))
3255 local->roc_cookie_counter++;
3256
3257 return local->roc_cookie_counter;
3258}
3259
5ee00dbd
JB		 3260int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3261 u64 *cookie, gfp_t gfp)
3b79af97
JB		 3262{
3263 unsigned long spin_flags;
3264 struct sk_buff *ack_skb;
3265 int id;
3266
3267 ack_skb = skb_copy(skb, gfp);
3268 if (!ack_skb)
5ee00dbd 3269 return -ENOMEM;
3b79af97
JB		 3270
3271 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3272 id = idr_alloc(&local->ack_status_frames, ack_skb,
3273 1, 0x10000, GFP_ATOMIC);
3274 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3275
3276 if (id < 0) {
3277 kfree_skb(ack_skb);
5ee00dbd 3278 return -ENOMEM;
3b79af97
JB		 3279 }
3280
3281 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3282
3283 *cookie = ieee80211_mgmt_tx_cookie(local);
3284 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3285
5ee00dbd 3286 return 0;
3b79af97
JB		 3287}
3288
7be5086d 3289static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3290 struct wireless_dev *wdev,
7be5086d
JB		 3291 u16 frame_type, bool reg)
3292{
3293 struct ieee80211_local *local = wiphy_priv(wiphy);
1b09b556 3294 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 3295
6abe0563 3296 switch (frame_type) {
6abe0563 3297 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
1b09b556 3298 if (reg) {
6abe0563 3299 local->probe_req_reg++;
1b09b556
AO		 3300 sdata->vif.probe_req_reg++;
3301 } else {
3302 if (local->probe_req_reg)
3303 local->probe_req_reg--;
3304
3305 if (sdata->vif.probe_req_reg)
3306 sdata->vif.probe_req_reg--;
3307 }
7be5086d 3308
35f5149e
FF		 3309 if (!local->open_count)
3310 break;
3311
1b09b556
AO		 3312 if (sdata->vif.probe_req_reg == 1)
3313 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3314 FIF_PROBE_REQ);
3315 else if (sdata->vif.probe_req_reg == 0)
3316 drv_config_iface_filter(local, sdata, 0,
3317 FIF_PROBE_REQ);
3318
3319 ieee80211_configure_filter(local);
6abe0563
WH		 3320 break;
3321 default:
3322 break;
3323 }
7be5086d
JB		 3324}
3325
15d96753
BR		 3326static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3327{
3328 struct ieee80211_local *local = wiphy_priv(wiphy);
3329
3330 if (local->started)
3331 return -EOPNOTSUPP;
3332
3333 return drv_set_antenna(local, tx_ant, rx_ant);
3334}
3335
3336static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3337{
3338 struct ieee80211_local *local = wiphy_priv(wiphy);
3339
3340 return drv_get_antenna(local, tx_ant, rx_ant);
3341}
3342
c68f4b89
JB		 3343static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3344 struct net_device *dev,
3345 struct cfg80211_gtk_rekey_data *data)
3346{
3347 struct ieee80211_local *local = wiphy_priv(wiphy);
3348 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3349
3350 if (!local->ops->set_rekey_data)
3351 return -EOPNOTSUPP;
3352
3353 drv_set_rekey_data(local, sdata, data);
3354
3355 return 0;
3356}
3357
06500736
JB		 3358static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3359 const u8 *peer, u64 *cookie)
3360{
3361 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3362 struct ieee80211_local *local = sdata->local;
3363 struct ieee80211_qos_hdr *nullfunc;
5ee00dbd 3364 struct sk_buff *skb;
06500736
JB		 3365 int size = sizeof(*nullfunc);
3366 __le16 fc;
3367 bool qos;
3368 struct ieee80211_tx_info *info;
3369 struct sta_info *sta;
55de908a 3370 struct ieee80211_chanctx_conf *chanctx_conf;
57fbcce3 3371 enum nl80211_band band;
3b79af97
JB		 3372 int ret;
3373
3374 /* the lock is needed to assign the cookie later */
3375 mutex_lock(&local->mtx);
06500736
JB		 3376
3377 rcu_read_lock();
55de908a
JB		 3378 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3379 if (WARN_ON(!chanctx_conf)) {
3b79af97
JB		 3380 ret = -EINVAL;
3381 goto unlock;
55de908a 3382 }
4bf88530 3383 band = chanctx_conf->def.chan->band;
03bb7f42 3384 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3385 if (sta) {
a74a8c84 3386 qos = sta->sta.wme;
b4487c2d 3387 } else {
3b79af97
JB		 3388 ret = -ENOLINK;
3389 goto unlock;
b4487c2d 3390 }
06500736
JB		 3391
3392 if (qos) {
3393 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3394 IEEE80211_STYPE_QOS_NULLFUNC |
3395 IEEE80211_FCTL_FROMDS);
3396 } else {
3397 size -= 2;
3398 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3399 IEEE80211_STYPE_NULLFUNC |
3400 IEEE80211_FCTL_FROMDS);
3401 }
3402
3403 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a 3404 if (!skb) {
3b79af97
JB		 3405 ret = -ENOMEM;
3406 goto unlock;
55de908a 3407 }
06500736
JB		 3408
3409 skb->dev = dev;
3410
3411 skb_reserve(skb, local->hw.extra_tx_headroom);
3412
3413 nullfunc = (void *) skb_put(skb, size);
3414 nullfunc->frame_control = fc;
3415 nullfunc->duration_id = 0;
3416 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3417 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3418 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3419 nullfunc->seq_ctrl = 0;
3420
3421 info = IEEE80211_SKB_CB(skb);
3422
3423 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3424 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3425 info->band = band;
06500736
JB		 3426
3427 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3428 skb->priority = 7;
3429 if (qos)
3430 nullfunc->qos_ctrl = cpu_to_le16(7);
3431
5ee00dbd
JB		 3432 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3433 if (ret) {
3b79af97 3434 kfree_skb(skb);
3b79af97
JB		 3435 goto unlock;
3436 }
3437
06500736 3438 local_bh_disable();
7c10770f 3439 ieee80211_xmit(sdata, sta, skb);
06500736 3440 local_bh_enable();
3b79af97
JB		 3441
3442 ret = 0;
3443unlock:
55de908a 3444 rcu_read_unlock();
3b79af97 3445 mutex_unlock(&local->mtx);
06500736 3446
3b79af97 3447 return ret;
06500736
JB		 3448}
3449
683b6d3b
JB		 3450static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3451 struct wireless_dev *wdev,
3452 struct cfg80211_chan_def *chandef)
5b7ccaf3 3453{
55de908a 3454 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3455 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3456 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3457 int ret = -ENODATA;
55de908a
JB		 3458
3459 rcu_read_lock();
feda3027
JB		 3460 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3461 if (chanctx_conf) {
c12bc488 3462 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3463 ret = 0;
3464 } else if (local->open_count > 0 &&
3465 local->open_count == local->monitors &&
3466 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3467 if (local->use_chanctx)
3468 *chandef = local->monitor_chandef;
3469 else
675a0b04 3470 *chandef = local->_oper_chandef;
683b6d3b 3471 ret = 0;
55de908a
JB		 3472 }
3473 rcu_read_unlock();
5b7ccaf3 3474
683b6d3b 3475 return ret;
5b7ccaf3
JB		 3476}
3477
6d52563f
JB		 3478#ifdef CONFIG_PM
3479static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3480{
3481 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3482}
3483#endif
3484
32db6b54
KP		 3485static int ieee80211_set_qos_map(struct wiphy *wiphy,
3486 struct net_device *dev,
3487 struct cfg80211_qos_map *qos_map)
3488{
3489 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3490 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3491
3492 if (qos_map) {
3493 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3494 if (!new_qos_map)
3495 return -ENOMEM;
3496 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3497 } else {
3498 /* A NULL qos_map was passed to disable QoS mapping */
3499 new_qos_map = NULL;
3500 }
3501
194ff52d 3502 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3503 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3504 if (old_qos_map)
3505 kfree_rcu(old_qos_map, rcu_head);
3506
3507 return 0;
3508}
3509
3b1700bd
JM		 3510static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3511 struct net_device *dev,
3512 struct cfg80211_chan_def *chandef)
3513{
3514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3515 int ret;
3516 u32 changed = 0;
3517
3518 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3519 if (ret == 0)
3520 ieee80211_bss_info_change_notify(sdata, changed);
3521
3522 return ret;
3523}
3524
02219b3a
JB		 3525static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3526 u8 tsid, const u8 *peer, u8 up,
3527 u16 admitted_time)
3528{
3529 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3530 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3531 int ac = ieee802_1d_to_ac[up];
3532
3533 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3534 return -EOPNOTSUPP;
3535
3536 if (!(sdata->wmm_acm & BIT(up)))
3537 return -EINVAL;
3538
3539 if (ifmgd->tx_tspec[ac].admitted_time)
3540 return -EBUSY;
3541
3542 if (admitted_time) {
3543 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3544 ifmgd->tx_tspec[ac].tsid = tsid;
3545 ifmgd->tx_tspec[ac].up = up;
3546 }
3547
3548 return 0;
3549}
3550
3551static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3552 u8 tsid, const u8 *peer)
3553{
3554 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3555 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3556 struct ieee80211_local *local = wiphy_priv(wiphy);
3557 int ac;
3558
3559 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3560 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3561
3562 /* skip unused entries */
3563 if (!tx_tspec->admitted_time)
3564 continue;
3565
3566 if (tx_tspec->tsid != tsid)
3567 continue;
3568
3569 /* due to this new packets will be reassigned to non-ACM ACs */
3570 tx_tspec->up = -1;
3571
3572 /* Make sure that all packets have been sent to avoid to
3573 * restore the QoS params on packets that are still on the
3574 * queues.
3575 */
3576 synchronize_net();
3b24f4c6 3577 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3578
3579 /* restore the normal QoS parameters
3580 * (unconditionally to avoid races)
3581 */
3582 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3583 tx_tspec->downgraded = false;
3584 ieee80211_sta_handle_tspec_ac_params(sdata);
3585
3586 /* finally clear all the data */
3587 memset(tx_tspec, 0, sizeof(*tx_tspec));
3588
3589 return 0;
3590 }
3591
3592 return -ENOENT;
3593}
3594
167e33f4
AB		 3595void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3596 u8 inst_id,
3597 enum nl80211_nan_func_term_reason reason,
3598 gfp_t gfp)
3599{
3600 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3601 struct cfg80211_nan_func *func;
3602 u64 cookie;
3603
3604 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3605 return;
3606
3607 spin_lock_bh(&sdata->u.nan.func_lock);
3608
3609 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3610 if (WARN_ON(!func)) {
3611 spin_unlock_bh(&sdata->u.nan.func_lock);
3612 return;
3613 }
3614
3615 cookie = func->cookie;
3616 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3617
3618 spin_unlock_bh(&sdata->u.nan.func_lock);
3619
3620 cfg80211_free_nan_func(func);
3621
3622 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3623 reason, cookie, gfp);
3624}
3625EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3626
92bc43bc
AB		 3627void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3628 struct cfg80211_nan_match_params *match,
3629 gfp_t gfp)
3630{
3631 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3632 struct cfg80211_nan_func *func;
3633
3634 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3635 return;
3636
3637 spin_lock_bh(&sdata->u.nan.func_lock);
3638
3639 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3640 if (WARN_ON(!func)) {
3641 spin_unlock_bh(&sdata->u.nan.func_lock);
3642 return;
3643 }
3644 match->cookie = func->cookie;
3645
3646 spin_unlock_bh(&sdata->u.nan.func_lock);
3647
3648 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3649}
3650EXPORT_SYMBOL(ieee80211_nan_func_match);
3651
ebceec86
MB		 3652static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3653 struct net_device *dev,
3654 const bool enabled)
3655{
3656 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3657
3658 sdata->u.ap.multicast_to_unicast = enabled;
3659
3660 return 0;
3661}
3662
8a47cea7 3663const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3664 .add_virtual_intf = ieee80211_add_iface,
3665 .del_virtual_intf = ieee80211_del_iface,
42613db7 3666 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3667 .start_p2p_device = ieee80211_start_p2p_device,
3668 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3669 .add_key = ieee80211_add_key,
3670 .del_key = ieee80211_del_key,
62da92fb 3671 .get_key = ieee80211_get_key,
e8cbb4cb 3672 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3673 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3674 .start_ap = ieee80211_start_ap,
3675 .change_beacon = ieee80211_change_beacon,
3676 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3677 .add_station = ieee80211_add_station,
3678 .del_station = ieee80211_del_station,
3679 .change_station = ieee80211_change_station,
7bbdd2d9 3680 .get_station = ieee80211_get_station,
c5dd9c2b 3681 .dump_station = ieee80211_dump_station,
1289723e 3682 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3683#ifdef CONFIG_MAC80211_MESH
3684 .add_mpath = ieee80211_add_mpath,
3685 .del_mpath = ieee80211_del_mpath,
3686 .change_mpath = ieee80211_change_mpath,
3687 .get_mpath = ieee80211_get_mpath,
3688 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3689 .get_mpp = ieee80211_get_mpp,
3690 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3691 .update_mesh_config = ieee80211_update_mesh_config,
3692 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3693 .join_mesh = ieee80211_join_mesh,
3694 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3695#endif
239281f8
RL		 3696 .join_ocb = ieee80211_join_ocb,
3697 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3698 .change_bss = ieee80211_change_bss,
31888487 3699 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3700 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3701 .suspend = ieee80211_suspend,
3702 .resume = ieee80211_resume,
2a519311 3703 .scan = ieee80211_scan,
91f123f2 3704 .abort_scan = ieee80211_abort_scan,
79f460ca
LC		 3705 .sched_scan_start = ieee80211_sched_scan_start,
3706 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3707 .auth = ieee80211_auth,
3708 .assoc = ieee80211_assoc,
3709 .deauth = ieee80211_deauth,
3710 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3711 .join_ibss = ieee80211_join_ibss,
3712 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3713 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3714 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3715 .set_tx_power = ieee80211_set_tx_power,
3716 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3717 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3718 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3719 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3720 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3721 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3722 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3723 .remain_on_channel = ieee80211_remain_on_channel,
3724 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3725 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3726 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3727 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2c3c5f8c 3728 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
7be5086d 3729 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3730 .set_antenna = ieee80211_set_antenna,
3731 .get_antenna = ieee80211_get_antenna,
c68f4b89 3732 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3733 .tdls_oper = ieee80211_tdls_oper,
3734 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3735 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3736 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3737 .probe_client = ieee80211_probe_client,
b53be792 3738 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3739#ifdef CONFIG_PM
3740 .set_wakeup = ieee80211_set_wakeup,
3741#endif
5b7ccaf3 3742 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3743 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3744 .channel_switch = ieee80211_channel_switch,
32db6b54 3745 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3746 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3747 .add_tx_ts = ieee80211_add_tx_ts,
3748 .del_tx_ts = ieee80211_del_tx_ts,
708d50ed
AB		 3749 .start_nan = ieee80211_start_nan,
3750 .stop_nan = ieee80211_stop_nan,
5953ff6d 3751 .nan_change_conf = ieee80211_nan_change_conf,
167e33f4
AB		 3752 .add_nan_func = ieee80211_add_nan_func,
3753 .del_nan_func = ieee80211_del_nan_func,
ebceec86 3754 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
f0706e82 3755};
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