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mac80211: don't initiate TDLS connection if station is not associated to AP
[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
b2eb0ee6 5 * Copyright 2013-2015 Intel Mobile Communications GmbH
e8e4f528 6 * Copyright (C) 2015-2017 Intel Deutschland GmbH
f0706e82
JB		 7 *
8 * This file is GPLv2 as found in COPYING.
9 */
10
e8cbb4cb 11#include <linux/ieee80211.h>
f0706e82
JB		 12#include <linux/nl80211.h>
13#include <linux/rtnetlink.h>
5a0e3ad6 14#include <linux/slab.h>
881d966b 15#include <net/net_namespace.h>
5dfdaf58 16#include <linux/rcupdate.h>
dfe018bf 17#include <linux/if_ether.h>
f0706e82
JB		 18#include <net/cfg80211.h>
19#include "ieee80211_i.h"
24487981 20#include "driver-ops.h"
2c8dccc7 21#include "rate.h"
c5dd9c2b 22#include "mesh.h"
02219b3a 23#include "wme.h"
c5dd9c2b 24
65f1d600
JB		 25static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
26 struct vif_params *params)
8c5e6889 27{
8c5e6889
JB		 28 bool mu_mimo_groups = false;
29 bool mu_mimo_follow = false;
30
8c5e6889
JB		 31 if (params->vht_mumimo_groups) {
32 u64 membership;
33
34 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
35
65f1d600 36 memcpy(sdata->vif.bss_conf.mu_group.membership,
8c5e6889 37 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
65f1d600 38 memcpy(sdata->vif.bss_conf.mu_group.position,
8c5e6889
JB		 39 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
40 WLAN_USER_POSITION_LEN);
65f1d600 41 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
8c5e6889
JB		 42 /* don't care about endianness - just check for 0 */
43 memcpy(&membership, params->vht_mumimo_groups,
44 WLAN_MEMBERSHIP_LEN);
45 mu_mimo_groups = membership != 0;
46 }
47
48 if (params->vht_mumimo_follow_addr) {
49 mu_mimo_follow =
50 is_valid_ether_addr(params->vht_mumimo_follow_addr);
65f1d600 51 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
8c5e6889
JB		 52 params->vht_mumimo_follow_addr);
53 }
54
65f1d600
JB		 55 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
56}
57
58static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
59 struct vif_params *params)
60{
61 struct ieee80211_local *local = sdata->local;
62 struct ieee80211_sub_if_data *monitor_sdata;
63
64 /* check flags first */
65 if (params->flags && ieee80211_sdata_running(sdata)) {
66 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
67
68 /*
69 * Prohibit MONITOR_FLAG_COOK_FRAMES and
70 * MONITOR_FLAG_ACTIVE to be changed while the
71 * interface is up.
72 * Else we would need to add a lot of cruft
73 * to update everything:
74 * cooked_mntrs, monitor and all fif_* counters
75 * reconfigure hardware
76 */
77 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
78 return -EBUSY;
79 }
80
81 /* also validate MU-MIMO change */
82 monitor_sdata = rtnl_dereference(local->monitor_sdata);
83
84 if (!monitor_sdata &&
85 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
86 return -EOPNOTSUPP;
87
88 /* apply all changes now - no failures allowed */
89
90 if (monitor_sdata)
91 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
92
93 if (params->flags) {
94 if (ieee80211_sdata_running(sdata)) {
95 ieee80211_adjust_monitor_flags(sdata, -1);
96 sdata->u.mntr.flags = params->flags;
97 ieee80211_adjust_monitor_flags(sdata, 1);
98
99 ieee80211_configure_filter(local);
100 } else {
101 /*
102 * Because the interface is down, ieee80211_do_stop
103 * and ieee80211_do_open take care of "everything"
104 * mentioned in the comment above.
105 */
106 sdata->u.mntr.flags = params->flags;
107 }
108 }
8c5e6889
JB		 109
110 return 0;
111}
112
552bff0c
JB		 113static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
114 const char *name,
6bab2e19 115 unsigned char name_assign_type,
84efbb84 116 enum nl80211_iftype type,
84efbb84 117 struct vif_params *params)
f0706e82
JB		 118{
119 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 120 struct wireless_dev *wdev;
8cc9a739
MW		 121 struct ieee80211_sub_if_data *sdata;
122 int err;
f0706e82 123
6bab2e19 124 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
f9e10ce4
JB		 125 if (err)
126 return ERR_PTR(err);
8cc9a739 127
8c5e6889
JB		 128 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
129
130 if (type == NL80211_IFTYPE_MONITOR) {
65f1d600 131 err = ieee80211_set_mon_options(sdata, params);
8c5e6889
JB		 132 if (err) {
133 ieee80211_if_remove(sdata);
134 return NULL;
135 }
f9e10ce4
JB		 136 }
137
84efbb84 138 return wdev;
f0706e82
JB		 139}
140
84efbb84 141static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 142{
84efbb84 143 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 144
75636525 145 return 0;
f0706e82
JB		 146}
147
e36d56b6
JB		 148static int ieee80211_change_iface(struct wiphy *wiphy,
149 struct net_device *dev,
818a986e 150 enum nl80211_iftype type,
2ec600d6 151 struct vif_params *params)
42613db7 152{
9607e6b6 153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 154 int ret;
42613db7 155
05c914fe 156 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 157 if (ret)
158 return ret;
42613db7 159
9bc383de 160 if (type == NL80211_IFTYPE_AP_VLAN &&
49ddf8e6 161 params && params->use_4addr == 0) {
a9b3cd7f 162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
49ddf8e6
JB		 163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION &&
165 params && params->use_4addr >= 0) {
9bc383de 166 sdata->u.mgd.use_4addr = params->use_4addr;
49ddf8e6 167 }
9bc383de 168
42bd20d9 169 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
65f1d600
JB		 170 ret = ieee80211_set_mon_options(sdata, params);
171 if (ret)
172 return ret;
85416a4f 173 }
f7917af9 174
42613db7
JB		 175 return 0;
176}
177
f142c6b9
JB		 178static int ieee80211_start_p2p_device(struct wiphy *wiphy,
179 struct wireless_dev *wdev)
180{
b6a55015
LC		 181 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
182 int ret;
183
184 mutex_lock(&sdata->local->chanctx_mtx);
185 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
186 mutex_unlock(&sdata->local->chanctx_mtx);
187 if (ret < 0)
188 return ret;
189
f142c6b9
JB		 190 return ieee80211_do_open(wdev, true);
191}
192
193static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
194 struct wireless_dev *wdev)
195{
196 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
197}
198
708d50ed
AB		 199static int ieee80211_start_nan(struct wiphy *wiphy,
200 struct wireless_dev *wdev,
201 struct cfg80211_nan_conf *conf)
202{
203 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
204 int ret;
205
206 mutex_lock(&sdata->local->chanctx_mtx);
207 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
208 mutex_unlock(&sdata->local->chanctx_mtx);
209 if (ret < 0)
210 return ret;
211
212 ret = ieee80211_do_open(wdev, true);
213 if (ret)
214 return ret;
215
216 ret = drv_start_nan(sdata->local, sdata, conf);
217 if (ret)
218 ieee80211_sdata_stop(sdata);
219
167e33f4
AB		 220 sdata->u.nan.conf = *conf;
221
708d50ed
AB		 222 return ret;
223}
224
225static void ieee80211_stop_nan(struct wiphy *wiphy,
226 struct wireless_dev *wdev)
227{
228 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
229
230 drv_stop_nan(sdata->local, sdata);
231 ieee80211_sdata_stop(sdata);
232}
233
5953ff6d
AB		 234static int ieee80211_nan_change_conf(struct wiphy *wiphy,
235 struct wireless_dev *wdev,
236 struct cfg80211_nan_conf *conf,
237 u32 changes)
238{
239 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
240 struct cfg80211_nan_conf new_conf;
241 int ret = 0;
242
243 if (sdata->vif.type != NL80211_IFTYPE_NAN)
244 return -EOPNOTSUPP;
245
246 if (!ieee80211_sdata_running(sdata))
247 return -ENETDOWN;
248
249 new_conf = sdata->u.nan.conf;
250
251 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
252 new_conf.master_pref = conf->master_pref;
253
8585989d
LC		 254 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
255 new_conf.bands = conf->bands;
5953ff6d
AB		 256
257 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
258 if (!ret)
259 sdata->u.nan.conf = new_conf;
260
261 return ret;
262}
263
167e33f4
AB		 264static int ieee80211_add_nan_func(struct wiphy *wiphy,
265 struct wireless_dev *wdev,
266 struct cfg80211_nan_func *nan_func)
267{
268 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
269 int ret;
270
271 if (sdata->vif.type != NL80211_IFTYPE_NAN)
272 return -EOPNOTSUPP;
273
274 if (!ieee80211_sdata_running(sdata))
275 return -ENETDOWN;
276
277 spin_lock_bh(&sdata->u.nan.func_lock);
278
279 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
280 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
281 GFP_ATOMIC);
282 spin_unlock_bh(&sdata->u.nan.func_lock);
283
284 if (ret < 0)
285 return ret;
286
287 nan_func->instance_id = ret;
288
289 WARN_ON(nan_func->instance_id == 0);
290
291 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
292 if (ret) {
293 spin_lock_bh(&sdata->u.nan.func_lock);
294 idr_remove(&sdata->u.nan.function_inst_ids,
295 nan_func->instance_id);
296 spin_unlock_bh(&sdata->u.nan.func_lock);
297 }
298
299 return ret;
300}
301
302static struct cfg80211_nan_func *
303ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
304 u64 cookie)
305{
306 struct cfg80211_nan_func *func;
307 int id;
308
309 lockdep_assert_held(&sdata->u.nan.func_lock);
310
311 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
312 if (func->cookie == cookie)
313 return func;
314 }
315
316 return NULL;
317}
318
319static void ieee80211_del_nan_func(struct wiphy *wiphy,
320 struct wireless_dev *wdev, u64 cookie)
321{
322 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
323 struct cfg80211_nan_func *func;
324 u8 instance_id = 0;
325
326 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
327 !ieee80211_sdata_running(sdata))
328 return;
329
330 spin_lock_bh(&sdata->u.nan.func_lock);
331
332 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
333 if (func)
334 instance_id = func->instance_id;
335
336 spin_unlock_bh(&sdata->u.nan.func_lock);
337
338 if (instance_id)
339 drv_del_nan_func(sdata->local, sdata, instance_id);
340}
341
b53be792
SW		 342static int ieee80211_set_noack_map(struct wiphy *wiphy,
343 struct net_device *dev,
344 u16 noack_map)
345{
346 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
347
348 sdata->noack_map = noack_map;
17c18bf8
JB		 349
350 ieee80211_check_fast_xmit_iface(sdata);
351
b53be792
SW		 352 return 0;
353}
354
e8cbb4cb 355static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 356 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 357 struct key_params *params)
358{
26a58456 359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 360 struct ieee80211_local *local = sdata->local;
e8cbb4cb 361 struct sta_info *sta = NULL;
2475b1cc 362 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 363 struct ieee80211_key *key;
3b96766f 364 int err;
e8cbb4cb 365
26a58456 366 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 367 return -ENETDOWN;
368
97359d12 369 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 370 switch (params->cipher) {
371 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 372 case WLAN_CIPHER_SUITE_TKIP:
97359d12 373 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 374 if (IS_ERR(local->wep_tx_tfm))
97359d12 375 return -EINVAL;
3cfcf6ac 376 break;
2475b1cc 377 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 378 case WLAN_CIPHER_SUITE_CCMP_256:
2475b1cc 379 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 380 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
8ade538b
JM		 381 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
382 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2475b1cc 383 case WLAN_CIPHER_SUITE_GCMP:
00b9cfa3 384 case WLAN_CIPHER_SUITE_GCMP_256:
2475b1cc 385 break;
e8cbb4cb 386 default:
2475b1cc 387 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 388 break;
e8cbb4cb
JB		 389 }
390
97359d12 391 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 392 params->key, params->seq_len, params->seq,
393 cs);
1ac62ba7
BH		 394 if (IS_ERR(key))
395 return PTR_ERR(key);
db4d1169 396
e31b8213
JB		 397 if (pairwise)
398 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
399
2475b1cc 400 mutex_lock(&local->sta_mtx);
3b96766f 401
e8cbb4cb 402 if (mac_addr) {
850092db 403 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 404 /*
405 * The ASSOC test makes sure the driver is ready to
406 * receive the key. When wpa_supplicant has roamed
407 * using FT, it attempts to set the key before
408 * association has completed, this rejects that attempt
d070f913 409 * so it will set the key again after association.
1626e0fa
JB		 410 *
411 * TODO: accept the key if we have a station entry and
412 * add it to the device after the station.
413 */
414 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 415 ieee80211_key_free_unused(key);
3b96766f
JB		 416 err = -ENOENT;
417 goto out_unlock;
db4d1169 418 }
e8cbb4cb
JB		 419 }
420
e548c49e
JB		 421 switch (sdata->vif.type) {
422 case NL80211_IFTYPE_STATION:
423 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
424 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
425 break;
426 case NL80211_IFTYPE_AP:
427 case NL80211_IFTYPE_AP_VLAN:
428 /* Keys without a station are used for TX only */
a2c37946 429 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
e548c49e
JB		 430 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
431 break;
432 case NL80211_IFTYPE_ADHOC:
433 /* no MFP (yet) */
434 break;
435 case NL80211_IFTYPE_MESH_POINT:
436#ifdef CONFIG_MAC80211_MESH
437 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
438 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
439 break;
440#endif
441 case NL80211_IFTYPE_WDS:
442 case NL80211_IFTYPE_MONITOR:
443 case NL80211_IFTYPE_P2P_DEVICE:
cb3b7d87 444 case NL80211_IFTYPE_NAN:
e548c49e
JB		 445 case NL80211_IFTYPE_UNSPECIFIED:
446 case NUM_NL80211_IFTYPES:
447 case NL80211_IFTYPE_P2P_CLIENT:
448 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 449 case NL80211_IFTYPE_OCB:
e548c49e
JB		 450 /* shouldn't happen */
451 WARN_ON_ONCE(1);
452 break;
453 }
454
2475b1cc
MS		 455 if (sta)
456 sta->cipher_scheme = cs;
457
3ffc2a90 458 err = ieee80211_key_link(key, sdata, sta);
db4d1169 459
3b96766f 460 out_unlock:
2475b1cc 461 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 462
463 return err;
e8cbb4cb
JB		 464}
465
466static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 467 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 468{
5c0c3641
JB		 469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
470 struct ieee80211_local *local = sdata->local;
e8cbb4cb 471 struct sta_info *sta;
5c0c3641 472 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 473 int ret;
474
5c0c3641
JB		 475 mutex_lock(&local->sta_mtx);
476 mutex_lock(&local->key_mtx);
3b96766f 477
e8cbb4cb 478 if (mac_addr) {
3b96766f
JB		 479 ret = -ENOENT;
480
0e5ded5a 481 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 482 if (!sta)
3b96766f 483 goto out_unlock;
e8cbb4cb 484
5c0c3641 485 if (pairwise)
2475b1cc 486 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 487 else
40b275b6 488 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 489 } else
40b275b6 490 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 491
5c0c3641 492 if (!key) {
3b96766f
JB		 493 ret = -ENOENT;
494 goto out_unlock;
495 }
e8cbb4cb 496
3c10687b 497 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
e8cbb4cb 498
3b96766f
JB		 499 ret = 0;
500 out_unlock:
5c0c3641
JB		 501 mutex_unlock(&local->key_mtx);
502 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 503
504 return ret;
e8cbb4cb
JB		 505}
506
62da92fb 507static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 508 u8 key_idx, bool pairwise, const u8 *mac_addr,
509 void *cookie,
62da92fb
JB		 510 void (*callback)(void *cookie,
511 struct key_params *params))
512{
14db74bc 513 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 514 struct sta_info *sta = NULL;
515 u8 seq[6] = {0};
516 struct key_params params;
e31b8213 517 struct ieee80211_key *key = NULL;
aba83a0b 518 u64 pn64;
62da92fb
JB		 519 u32 iv32;
520 u16 iv16;
521 int err = -ENOENT;
9352c19f 522 struct ieee80211_key_seq kseq = {};
62da92fb 523
14db74bc
JB		 524 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
525
3b96766f
JB		 526 rcu_read_lock();
527
62da92fb 528 if (mac_addr) {
0e5ded5a 529 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 530 if (!sta)
531 goto out;
532
354e159d 533 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 534 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 535 else if (!pairwise &&
536 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 537 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 538 } else
a3836e02 539 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 540
541 if (!key)
542 goto out;
543
544 memset(&params, 0, sizeof(params));
545
97359d12 546 params.cipher = key->conf.cipher;
62da92fb 547
97359d12
JB		 548 switch (key->conf.cipher) {
549 case WLAN_CIPHER_SUITE_TKIP:
f8079d43
EP		 550 pn64 = atomic64_read(&key->conf.tx_pn);
551 iv32 = TKIP_PN_TO_IV32(pn64);
552 iv16 = TKIP_PN_TO_IV16(pn64);
62da92fb 553
9352c19f
JB		 554 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
555 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
556 drv_get_key_seq(sdata->local, key, &kseq);
557 iv32 = kseq.tkip.iv32;
558 iv16 = kseq.tkip.iv16;
559 }
62da92fb
JB		 560
561 seq[0] = iv16 & 0xff;
562 seq[1] = (iv16 >> 8) & 0xff;
563 seq[2] = iv32 & 0xff;
564 seq[3] = (iv32 >> 8) & 0xff;
565 seq[4] = (iv32 >> 16) & 0xff;
566 seq[5] = (iv32 >> 24) & 0xff;
567 params.seq = seq;
568 params.seq_len = 6;
569 break;
97359d12 570 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 571 case WLAN_CIPHER_SUITE_CCMP_256:
97359d12 572 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 573 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
db388a56
JB		 574 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
575 offsetof(typeof(kseq), aes_cmac));
8ade538b
JM		 576 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
577 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
db388a56
JB		 578 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
579 offsetof(typeof(kseq), aes_gmac));
00b9cfa3
JM		 580 case WLAN_CIPHER_SUITE_GCMP:
581 case WLAN_CIPHER_SUITE_GCMP_256:
db388a56
JB		 582 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
583 offsetof(typeof(kseq), gcmp));
584
9352c19f
JB		 585 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
586 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
587 drv_get_key_seq(sdata->local, key, &kseq);
db388a56 588 memcpy(seq, kseq.ccmp.pn, 6);
9352c19f 589 } else {
db388a56 590 pn64 = atomic64_read(&key->conf.tx_pn);
9352c19f
JB		 591 seq[0] = pn64;
592 seq[1] = pn64 >> 8;
593 seq[2] = pn64 >> 16;
594 seq[3] = pn64 >> 24;
595 seq[4] = pn64 >> 32;
596 seq[5] = pn64 >> 40;
597 }
00b9cfa3
JM		 598 params.seq = seq;
599 params.seq_len = 6;
600 break;
a31cf1c6
JB		 601 default:
602 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
603 break;
604 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
605 break;
606 drv_get_key_seq(sdata->local, key, &kseq);
607 params.seq = kseq.hw.seq;
608 params.seq_len = kseq.hw.seq_len;
609 break;
62da92fb
JB		 610 }
611
612 params.key = key->conf.key;
613 params.key_len = key->conf.keylen;
614
615 callback(cookie, &params);
616 err = 0;
617
618 out:
3b96766f 619 rcu_read_unlock();
62da92fb
JB		 620 return err;
621}
622
e8cbb4cb
JB		 623static int ieee80211_config_default_key(struct wiphy *wiphy,
624 struct net_device *dev,
dbd2fd65
JB		 625 u8 key_idx, bool uni,
626 bool multi)
e8cbb4cb 627{
ad0e2b5a 628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 629
f7e0104c 630 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 631
632 return 0;
633}
634
3cfcf6ac
JM		 635static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
636 struct net_device *dev,
637 u8 key_idx)
638{
66c52421 639 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 640
3cfcf6ac
JM		 641 ieee80211_set_default_mgmt_key(sdata, key_idx);
642
3cfcf6ac
JM		 643 return 0;
644}
645
6b62bf32
TP		 646void sta_set_rate_info_tx(struct sta_info *sta,
647 const struct ieee80211_tx_rate *rate,
648 struct rate_info *rinfo)
649{
650 rinfo->flags = 0;
8bc83c24 651 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 652 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 653 rinfo->mcs = rate->idx;
654 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
655 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
656 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
657 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
658 } else {
659 struct ieee80211_supported_band *sband;
2103dec1
SW		 660 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
661 u16 brate;
662
21a8e9dd
MSS		 663 sband = ieee80211_get_sband(sta->sdata);
664 if (sband) {
665 brate = sband->bitrates[rate->idx].bitrate;
666 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
667 }
8bc83c24 668 }
6b62bf32 669 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 670 rinfo->bw = RATE_INFO_BW_40;
671 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
672 rinfo->bw = RATE_INFO_BW_80;
673 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
674 rinfo->bw = RATE_INFO_BW_160;
675 else
676 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 677 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
678 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 679}
680
c5dd9c2b 681static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 682 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 683{
3b53fde8 684 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 685 struct ieee80211_local *local = sdata->local;
c5dd9c2b 686 struct sta_info *sta;
d0709a65
JB		 687 int ret = -ENOENT;
688
66572cfc 689 mutex_lock(&local->sta_mtx);
c5dd9c2b 690
3b53fde8 691 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 692 if (sta) {
693 ret = 0;
17741cdc 694 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 695 sta_set_sinfo(sta, sinfo);
696 }
c5dd9c2b 697
66572cfc 698 mutex_unlock(&local->sta_mtx);
c5dd9c2b 699
d0709a65 700 return ret;
c5dd9c2b
LCC		 701}
702
1289723e
HS		 703static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
704 int idx, struct survey_info *survey)
705{
706 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
707
1289723e
HS		 708 return drv_get_survey(local, idx, survey);
709}
710
7bbdd2d9 711static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 712 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 713{
abe60632 714 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 715 struct ieee80211_local *local = sdata->local;
7bbdd2d9 716 struct sta_info *sta;
d0709a65 717 int ret = -ENOENT;
7bbdd2d9 718
66572cfc 719 mutex_lock(&local->sta_mtx);
7bbdd2d9 720
0e5ded5a 721 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 722 if (sta) {
723 ret = 0;
724 sta_set_sinfo(sta, sinfo);
725 }
726
66572cfc 727 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 728
729 return ret;
7bbdd2d9
JB		 730}
731
55de908a 732static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 733 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 734{
735 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 736 struct ieee80211_sub_if_data *sdata;
737 int ret = 0;
3d9e6e12 738
4bf88530 739 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 740 return 0;
3d9e6e12 741
34a3740d 742 mutex_lock(&local->mtx);
55de908a 743 if (local->use_chanctx) {
4a199068 744 sdata = rtnl_dereference(local->monitor_sdata);
55de908a
JB		 745 if (sdata) {
746 ieee80211_vif_release_channel(sdata);
4bf88530 747 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 748 IEEE80211_CHANCTX_EXCLUSIVE);
749 }
750 } else if (local->open_count == local->monitors) {
675a0b04 751 local->_oper_chandef = *chandef;
55de908a
JB		 752 ieee80211_hw_config(local, 0);
753 }
3d9e6e12 754
4bf88530
JB		 755 if (ret == 0)
756 local->monitor_chandef = *chandef;
34a3740d 757 mutex_unlock(&local->mtx);
3d9e6e12 758
55de908a 759 return ret;
e8c9bd5b
JB		 760}
761
02945821 762static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 763 const u8 *resp, size_t resp_len,
764 const struct ieee80211_csa_settings *csa)
02945821 765{
aa7a0080 766 struct probe_resp *new, *old;
02945821
AN		 767
768 if (!resp || !resp_len)
aba4e6ff 769 return 1;
02945821 770
7ca133bc 771 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 772
aa7a0080 773 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 774 if (!new)
775 return -ENOMEM;
776
aa7a0080
ES		 777 new->len = resp_len;
778 memcpy(new->data, resp, resp_len);
02945821 779
af296bdb
MK		 780 if (csa)
781 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
782 csa->n_counter_offsets_presp *
783 sizeof(new->csa_counter_offsets[0]));
784
02945821 785 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 786 if (old)
787 kfree_rcu(old, rcu_head);
02945821
AN		 788
789 return 0;
790}
791
0ae07968 792static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 793 struct cfg80211_beacon_data *params,
794 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 795{
796 struct beacon_data *new, *old;
797 int new_head_len, new_tail_len;
8860020e
JB		 798 int size, err;
799 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 800
7ca133bc
SW		 801 old = sdata_dereference(sdata->u.ap.beacon, sdata);
802
5dfdaf58 803
5dfdaf58
JB		 804 /* Need to have a beacon head if we don't have one yet */
805 if (!params->head && !old)
8860020e 806 return -EINVAL;
5dfdaf58
JB		 807
808 /* new or old head? */
809 if (params->head)
810 new_head_len = params->head_len;
811 else
812 new_head_len = old->head_len;
813
814 /* new or old tail? */
815 if (params->tail || !old)
816 /* params->tail_len will be zero for !params->tail */
817 new_tail_len = params->tail_len;
818 else
819 new_tail_len = old->tail_len;
820
821 size = sizeof(*new) + new_head_len + new_tail_len;
822
823 new = kzalloc(size, GFP_KERNEL);
824 if (!new)
825 return -ENOMEM;
826
827 /* start filling the new info now */
828
5dfdaf58
JB		 829 /*
830 * pointers go into the block we allocated,
831 * memory is | beacon_data | head | tail |
832 */
833 new->head = ((u8 *) new) + sizeof(*new);
834 new->tail = new->head + new_head_len;
835 new->head_len = new_head_len;
836 new->tail_len = new_tail_len;
837
af296bdb
MK		 838 if (csa) {
839 new->csa_current_counter = csa->count;
840 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
841 csa->n_counter_offsets_beacon *
842 sizeof(new->csa_counter_offsets[0]));
843 }
844
5dfdaf58
JB		 845 /* copy in head */
846 if (params->head)
847 memcpy(new->head, params->head, new_head_len);
848 else
849 memcpy(new->head, old->head, new_head_len);
850
851 /* copy in optional tail */
852 if (params->tail)
853 memcpy(new->tail, params->tail, new_tail_len);
854 else
855 if (old)
856 memcpy(new->tail, old->tail, new_tail_len);
857
02945821 858 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 859 params->probe_resp_len, csa);
8860020e
JB		 860 if (err < 0)
861 return err;
862 if (err == 0)
02945821
AN		 863 changed |= BSS_CHANGED_AP_PROBE_RESP;
864
8860020e
JB		 865 rcu_assign_pointer(sdata->u.ap.beacon, new);
866
867 if (old)
868 kfree_rcu(old, rcu_head);
7827493b 869
8860020e 870 return changed;
5dfdaf58
JB		 871}
872
8860020e
JB		 873static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
874 struct cfg80211_ap_settings *params)
5dfdaf58 875{
8860020e 876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 877 struct ieee80211_local *local = sdata->local;
5dfdaf58 878 struct beacon_data *old;
665c93a9 879 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 880 u32 changed = BSS_CHANGED_BEACON_INT |
881 BSS_CHANGED_BEACON_ENABLED |
882 BSS_CHANGED_BEACON |
339afbf4 883 BSS_CHANGED_SSID |
4bcc56bb
JB		 884 BSS_CHANGED_P2P_PS |
885 BSS_CHANGED_TXPOWER;
8860020e 886 int err;
25a133f6 887 int prev_beacon_int;
14db74bc 888
7ca133bc 889 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 890 if (old)
891 return -EALREADY;
892
f6993174
EP		 893 switch (params->smps_mode) {
894 case NL80211_SMPS_OFF:
895 sdata->smps_mode = IEEE80211_SMPS_OFF;
896 break;
897 case NL80211_SMPS_STATIC:
898 sdata->smps_mode = IEEE80211_SMPS_STATIC;
899 break;
900 case NL80211_SMPS_DYNAMIC:
901 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
902 break;
903 default:
904 return -EINVAL;
905 }
b3dd8279
EG		 906 sdata->u.ap.req_smps = sdata->smps_mode;
907
04ecd257
JB		 908 sdata->needed_rx_chains = sdata->local->rx_chains;
909
25a133f6 910 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
ac668afe
JB		 911 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
912
34a3740d 913 mutex_lock(&local->mtx);
4bf88530 914 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 915 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 916 if (!err)
917 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 918 mutex_unlock(&local->mtx);
25a133f6
RP		 919 if (err) {
920 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
aa430da4 921 return err;
25a133f6 922 }
aa430da4 923
665c93a9
JB		 924 /*
925 * Apply control port protocol, this allows us to
926 * not encrypt dynamic WEP control frames.
927 */
928 sdata->control_port_protocol = params->crypto.control_port_ethertype;
929 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 930 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
931 &params->crypto,
932 sdata->vif.type);
933
665c93a9
JB		 934 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
935 vlan->control_port_protocol =
936 params->crypto.control_port_ethertype;
937 vlan->control_port_no_encrypt =
938 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 939 vlan->encrypt_headroom =
940 ieee80211_cs_headroom(sdata->local,
941 &params->crypto,
942 vlan->vif.type);
665c93a9
JB		 943 }
944
8860020e 945 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 946 sdata->vif.bss_conf.enable_beacon = true;
52cfa1d6 947 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
8860020e
JB		 948
949 sdata->vif.bss_conf.ssid_len = params->ssid_len;
950 if (params->ssid_len)
951 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
952 params->ssid_len);
953 sdata->vif.bss_conf.hidden_ssid =
954 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
955
67baf663
JD		 956 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
957 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
958 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
959 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
960 if (params->p2p_opp_ps)
961 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
962 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 963
af296bdb 964 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 965 if (err < 0) {
966 ieee80211_vif_release_channel(sdata);
8860020e 967 return err;
0297ea17 968 }
8860020e
JB		 969 changed |= err;
970
1041638f
JB		 971 err = drv_start_ap(sdata->local, sdata);
972 if (err) {
7ca133bc
SW		 973 old = sdata_dereference(sdata->u.ap.beacon, sdata);
974
1041638f
JB		 975 if (old)
976 kfree_rcu(old, rcu_head);
977 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 978 ieee80211_vif_release_channel(sdata);
1041638f
JB		 979 return err;
980 }
981
057d5f4b 982 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 983 ieee80211_bss_info_change_notify(sdata, changed);
984
3edaf3e6
JB		 985 netif_carrier_on(dev);
986 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
987 netif_carrier_on(vlan->dev);
988
665c93a9 989 return 0;
5dfdaf58
JB		 990}
991
8860020e
JB		 992static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
993 struct cfg80211_beacon_data *params)
5dfdaf58 994{
14db74bc 995 struct ieee80211_sub_if_data *sdata;
5dfdaf58 996 struct beacon_data *old;
8860020e 997 int err;
5dfdaf58 998
14db74bc 999 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 1000 sdata_assert_lock(sdata);
14db74bc 1001
73da7d5b
SW		 1002 /* don't allow changing the beacon while CSA is in place - offset
1003 * of channel switch counter may change
1004 */
1005 if (sdata->vif.csa_active)
1006 return -EBUSY;
1007
7ca133bc 1008 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1009 if (!old)
1010 return -ENOENT;
1011
af296bdb 1012 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 1013 if (err < 0)
1014 return err;
1015 ieee80211_bss_info_change_notify(sdata, err);
1016 return 0;
5dfdaf58
JB		 1017}
1018
8860020e 1019static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1020{
7b20b8e8
JB		 1021 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1022 struct ieee80211_sub_if_data *vlan;
1023 struct ieee80211_local *local = sdata->local;
1024 struct beacon_data *old_beacon;
1025 struct probe_resp *old_probe_resp;
d2859df5 1026 struct cfg80211_chan_def chandef;
14db74bc 1027
dbd72850
MK		 1028 sdata_assert_lock(sdata);
1029
7ca133bc 1030 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1031 if (!old_beacon)
5dfdaf58 1032 return -ENOENT;
7ca133bc 1033 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1034
73da7d5b 1035 /* abort any running channel switch */
59af6928 1036 mutex_lock(&local->mtx);
73da7d5b 1037 sdata->vif.csa_active = false;
a46992b4
LC		 1038 if (sdata->csa_block_tx) {
1039 ieee80211_wake_vif_queues(local, sdata,
1040 IEEE80211_QUEUE_STOP_REASON_CSA);
1041 sdata->csa_block_tx = false;
1042 }
1043
59af6928
MK		 1044 mutex_unlock(&local->mtx);
1045
1f3b8a2b
SW		 1046 kfree(sdata->u.ap.next_beacon);
1047 sdata->u.ap.next_beacon = NULL;
1048
7b20b8e8 1049 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1050 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1051 netif_carrier_off(vlan->dev);
1052 netif_carrier_off(dev);
1053
7b20b8e8 1054 /* remove beacon and probe response */
a9b3cd7f 1055 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1056 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1057 kfree_rcu(old_beacon, rcu_head);
1058 if (old_probe_resp)
1059 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 1060 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 1061
e716251d 1062 __sta_info_flush(sdata, true);
7907c7d3 1063 ieee80211_free_keys(sdata, true);
75de9113 1064
d6a83228 1065 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1066 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1067 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1068 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1069
a6b368f6 1070 if (sdata->wdev.cac_started) {
d2859df5 1071 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1072 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1073 cfg80211_cac_event(sdata->dev, &chandef,
1074 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1075 GFP_KERNEL);
1076 }
1077
1041638f
JB		 1078 drv_stop_ap(sdata->local, sdata);
1079
7b20b8e8
JB		 1080 /* free all potentially still buffered bcast frames */
1081 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
6b07d9ca 1082 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
7b20b8e8 1083
34a3740d 1084 mutex_lock(&local->mtx);
4e141dad 1085 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 1086 ieee80211_vif_release_channel(sdata);
34a3740d 1087 mutex_unlock(&local->mtx);
55de908a 1088
2d0ddec5 1089 return 0;
5dfdaf58
JB		 1090}
1091
4fd6931e
JB		 1092/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1093struct iapp_layer2_update {
1094 u8 da[ETH_ALEN]; /* broadcast */
1095 u8 sa[ETH_ALEN]; /* STA addr */
1096 __be16 len; /* 6 */
1097 u8 dsap; /* 0 */
1098 u8 ssap; /* 0 */
1099 u8 control;
1100 u8 xid_info[3];
bc10502d 1101} __packed;
4fd6931e
JB		 1102
1103static void ieee80211_send_layer2_update(struct sta_info *sta)
1104{
1105 struct iapp_layer2_update *msg;
1106 struct sk_buff *skb;
1107
1108 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1109 * bridge devices */
1110
1111 skb = dev_alloc_skb(sizeof(*msg));
1112 if (!skb)
1113 return;
4df864c1 1114 msg = skb_put(skb, sizeof(*msg));
4fd6931e
JB		 1115
1116 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1117 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1118
e83e6541 1119 eth_broadcast_addr(msg->da);
17741cdc 1120 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1121 msg->len = htons(6);
1122 msg->dsap = 0;
1123 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1124 msg->control = 0xaf; /* XID response lsb.1111F101.
1125 * F=0 (no poll command; unsolicited frame) */
1126 msg->xid_info[0] = 0x81; /* XID format identifier */
1127 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1128 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1129
d0709a65
JB		 1130 skb->dev = sta->sdata->dev;
1131 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1132 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1133 netif_rx_ni(skb);
4fd6931e
JB		 1134}
1135
d582cffb
JB		 1136static int sta_apply_auth_flags(struct ieee80211_local *local,
1137 struct sta_info *sta,
1138 u32 mask, u32 set)
1139{
1140 int ret;
1141
1142 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1143 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1144 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1145 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1146 if (ret)
1147 return ret;
1148 }
1149
1150 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1151 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1152 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1153 /*
1154 * When peer becomes associated, init rate control as
1155 * well. Some drivers require rate control initialized
1156 * before drv_sta_state() is called.
1157 */
44674d9c 1158 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
c23e31cf
MP		 1159 rate_control_rate_init(sta);
1160
d582cffb
JB		 1161 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1162 if (ret)
1163 return ret;
1164 }
1165
1166 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1167 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1168 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1169 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1170 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1171 else
1172 ret = 0;
1173 if (ret)
1174 return ret;
1175 }
1176
1177 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1178 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1179 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1180 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1181 if (ret)
1182 return ret;
1183 }
1184
1185 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1186 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1187 test_sta_flag(sta, WLAN_STA_AUTH)) {
1188 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1189 if (ret)
1190 return ret;
1191 }
1192
1193 return 0;
1194}
1195
13657702
JB		 1196static void sta_apply_mesh_params(struct ieee80211_local *local,
1197 struct sta_info *sta,
1198 struct station_parameters *params)
1199{
1200#ifdef CONFIG_MAC80211_MESH
1201 struct ieee80211_sub_if_data *sdata = sta->sdata;
1202 u32 changed = 0;
1203
1204 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1205 switch (params->plink_state) {
1206 case NL80211_PLINK_ESTAB:
1207 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1208 changed = mesh_plink_inc_estab_count(sdata);
1209 sta->mesh->plink_state = params->plink_state;
7d27a0ba 1210 sta->mesh->aid = params->peer_aid;
13657702
JB		 1211
1212 ieee80211_mps_sta_status_update(sta);
1213 changed |= ieee80211_mps_set_sta_local_pm(sta,
1214 sdata->u.mesh.mshcfg.power_mode);
1215 break;
1216 case NL80211_PLINK_LISTEN:
1217 case NL80211_PLINK_BLOCKED:
1218 case NL80211_PLINK_OPN_SNT:
1219 case NL80211_PLINK_OPN_RCVD:
1220 case NL80211_PLINK_CNF_RCVD:
1221 case NL80211_PLINK_HOLDING:
1222 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1223 changed = mesh_plink_dec_estab_count(sdata);
1224 sta->mesh->plink_state = params->plink_state;
1225
1226 ieee80211_mps_sta_status_update(sta);
1227 changed |= ieee80211_mps_set_sta_local_pm(sta,
1228 NL80211_MESH_POWER_UNKNOWN);
1229 break;
1230 default:
1231 /* nothing */
1232 break;
1233 }
1234 }
1235
1236 switch (params->plink_action) {
1237 case NL80211_PLINK_ACTION_NO_ACTION:
1238 /* nothing */
1239 break;
1240 case NL80211_PLINK_ACTION_OPEN:
1241 changed |= mesh_plink_open(sta);
1242 break;
1243 case NL80211_PLINK_ACTION_BLOCK:
1244 changed |= mesh_plink_block(sta);
1245 break;
1246 }
1247
1248 if (params->local_pm)
1249 changed |= ieee80211_mps_set_sta_local_pm(sta,
1250 params->local_pm);
1251
1252 ieee80211_mbss_info_change_notify(sdata, changed);
1253#endif
1254}
1255
d9a7ddb0
JB		 1256static int sta_apply_parameters(struct ieee80211_local *local,
1257 struct sta_info *sta,
1258 struct station_parameters *params)
4fd6931e 1259{
d9a7ddb0 1260 int ret = 0;
8318d78a 1261 struct ieee80211_supported_band *sband;
d0709a65 1262 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 1263 u32 mask, set;
4fd6931e 1264
21a8e9dd
MSS		 1265 sband = ieee80211_get_sband(sdata);
1266 if (!sband)
1267 return -EINVAL;
ae5eb026 1268
eccb8e8f
JB		 1269 mask = params->sta_flags_mask;
1270 set = params->sta_flags_set;
73651ee6 1271
d582cffb
JB		 1272 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1273 /*
1274 * In mesh mode, ASSOCIATED isn't part of the nl80211
1275 * API but must follow AUTHENTICATED for driver state.
1276 */
1277 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1278 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1279 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1280 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1281 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1282 /*
1283 * TDLS -- everything follows authorized, but
1284 * only becoming authorized is possible, not
1285 * going back
1286 */
1287 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1288 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1289 BIT(NL80211_STA_FLAG_ASSOCIATED);
1290 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1291 BIT(NL80211_STA_FLAG_ASSOCIATED);
1292 }
eccb8e8f 1293 }
4fd6931e 1294
2c44be81
JB		 1295 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1296 local->hw.queues >= IEEE80211_NUM_ACS)
1297 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1298
44674d9c
AB		 1299 /* auth flags will be set later for TDLS,
1300 * and for unassociated stations that move to assocaited */
1301 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1302 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1303 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
68885a54
AN		 1304 ret = sta_apply_auth_flags(local, sta, mask, set);
1305 if (ret)
1306 return ret;
1307 }
d9a7ddb0 1308
eccb8e8f 1309 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1310 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1311 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1312 else
1313 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1314 }
4fd6931e 1315
eccb8e8f 1316 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
93f0490e 1317 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1318 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1319 set_sta_flag(sta, WLAN_STA_MFP);
1320 else
1321 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1322 }
b39c48fa 1323
07ba55d7 1324 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1325 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1326 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1327 else
1328 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1329 }
4fd6931e 1330
9041c1fa
AN		 1331 /* mark TDLS channel switch support, if the AP allows it */
1332 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1333 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1334 params->ext_capab_len >= 4 &&
1335 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1336 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1337
b98fb44f 1338 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
82c0cc90 1339 !sdata->u.mgd.tdls_wider_bw_prohibited &&
b98fb44f
AN		 1340 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1341 params->ext_capab_len >= 8 &&
1342 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1343 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1344
3b9ce80c
JB		 1345 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1346 sta->sta.uapsd_queues = params->uapsd_queues;
1347 sta->sta.max_sp = params->max_sp;
1348 }
9533b4ac 1349
506bcfa8
EG		 1350 /* The sender might not have sent the last bit, consider it to be 0 */
1351 if (params->ext_capab_len >= 8) {
1352 u8 val = (params->ext_capab[7] &
1353 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1354
1355 /* we did get all the bits, take the MSB as well */
1356 if (params->ext_capab_len >= 9) {
1357 u8 val_msb = params->ext_capab[8] &
1358 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1359 val_msb <<= 1;
1360 val |= val_msb;
1361 }
1362
1363 switch (val) {
1364 case 1:
1365 sta->sta.max_amsdu_subframes = 32;
1366 break;
1367 case 2:
1368 sta->sta.max_amsdu_subframes = 16;
1369 break;
1370 case 3:
1371 sta->sta.max_amsdu_subframes = 8;
1372 break;
1373 default:
1374 sta->sta.max_amsdu_subframes = 0;
1375 }
1376 }
1377
51b50fbe
JB		 1378 /*
1379 * cfg80211 validates this (1-2007) and allows setting the AID
1380 * only when creating a new station entry
1381 */
1382 if (params->aid)
1383 sta->sta.aid = params->aid;
1384
73651ee6 1385 /*
ba23d206
JB		 1386 * Some of the following updates would be racy if called on an
1387 * existing station, via ieee80211_change_station(). However,
1388 * all such changes are rejected by cfg80211 except for updates
1389 * changing the supported rates on an existing but not yet used
1390 * TDLS peer.
73651ee6
JB		 1391 */
1392
4fd6931e
JB		 1393 if (params->listen_interval >= 0)
1394 sta->listen_interval = params->listen_interval;
1395
1396 if (params->supported_rates) {
2103dec1
SW		 1397 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1398 sband, params->supported_rates,
1399 params->supported_rates_len,
21a8e9dd 1400 &sta->sta.supp_rates[sband->band]);
4fd6931e 1401 }
c5dd9c2b 1402
d9fe60de 1403 if (params->ht_capa)
ef96a842 1404 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1405 params->ht_capa, sta);
36aedc90 1406
506bcfa8 1407 /* VHT can override some HT caps such as the A-MSDU max length */
f461be3e
MP		 1408 if (params->vht_capa)
1409 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1410 params->vht_capa, sta);
f461be3e 1411
b1bce14a 1412 if (params->opmode_notif_used) {
b1bce14a
MK		 1413 /* returned value is only needed for rc update, but the
1414 * rc isn't initialized here yet, so ignore it
1415 */
21a8e9dd
MSS		 1416 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1417 sband->band);
b1bce14a
MK		 1418 }
1419
52cfa1d6
AB		 1420 if (params->support_p2p_ps >= 0)
1421 sta->sta.support_p2p_ps = params->support_p2p_ps;
1422
13657702
JB		 1423 if (ieee80211_vif_is_mesh(&sdata->vif))
1424 sta_apply_mesh_params(local, sta, params);
d9a7ddb0 1425
68885a54 1426 /* set the STA state after all sta info from usermode has been set */
44674d9c
AB		 1427 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1428 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
68885a54
AN		 1429 ret = sta_apply_auth_flags(local, sta, mask, set);
1430 if (ret)
1431 return ret;
1432 }
1433
d9a7ddb0 1434 return 0;
4fd6931e
JB		 1435}
1436
1437static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1438 const u8 *mac,
1439 struct station_parameters *params)
4fd6931e 1440{
14db74bc 1441 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1442 struct sta_info *sta;
1443 struct ieee80211_sub_if_data *sdata;
73651ee6 1444 int err;
b8d476c8 1445 int layer2_update;
4fd6931e 1446
4fd6931e
JB		 1447 if (params->vlan) {
1448 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1449
05c914fe
JB		 1450 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1451 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1452 return -EINVAL;
1453 } else
1454 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1455
b203ca39 1456 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1457 return -EINVAL;
1458
1459 if (is_multicast_ether_addr(mac))
1460 return -EINVAL;
1461
1462 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1463 if (!sta)
1464 return -ENOMEM;
4fd6931e 1465
44674d9c
AB		 1466 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1467 sta->sta.tdls = true;
4fd6931e 1468
bd743b58
BP		 1469 if (sta->sta.tdls && sdata->vif.type == NL80211_IFTYPE_STATION &&
1470 !sdata->u.mgd.associated)
1471 return -EINVAL;
1472
d9a7ddb0
JB		 1473 err = sta_apply_parameters(local, sta, params);
1474 if (err) {
1475 sta_info_free(local, sta);
1476 return err;
1477 }
4fd6931e 1478
d64cf63e 1479 /*
44674d9c
AB		 1480 * for TDLS and for unassociated station, rate control should be
1481 * initialized only when rates are known and station is marked
1482 * authorized/associated
d64cf63e 1483 */
44674d9c
AB		 1484 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1485 test_sta_flag(sta, WLAN_STA_ASSOC))
d64cf63e 1486 rate_control_rate_init(sta);
4fd6931e 1487
b8d476c8
JM		 1488 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1489 sdata->vif.type == NL80211_IFTYPE_AP;
1490
34e89507 1491 err = sta_info_insert_rcu(sta);
73651ee6 1492 if (err) {
73651ee6
JB		 1493 rcu_read_unlock();
1494 return err;
1495 }
1496
b8d476c8 1497 if (layer2_update)
73651ee6
JB		 1498 ieee80211_send_layer2_update(sta);
1499
1500 rcu_read_unlock();
1501
4fd6931e
JB		 1502 return 0;
1503}
1504
1505static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1506 struct station_del_parameters *params)
4fd6931e 1507{
14db74bc 1508 struct ieee80211_sub_if_data *sdata;
4fd6931e 1509
14db74bc
JB		 1510 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1511
89c771e5
JM		 1512 if (params->mac)
1513 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1514
b998e8bb 1515 sta_info_flush(sdata);
4fd6931e
JB		 1516 return 0;
1517}
1518
1519static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1520 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1521 struct station_parameters *params)
1522{
abe60632 1523 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1524 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1525 struct sta_info *sta;
1526 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1527 enum cfg80211_station_type statype;
35b88623 1528 int err;
4fd6931e 1529
87be1e1e 1530 mutex_lock(&local->sta_mtx);
98dd6a57 1531
0e5ded5a 1532 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1533 if (!sta) {
77ee7c89
JB		 1534 err = -ENOENT;
1535 goto out_err;
98dd6a57 1536 }
4fd6931e 1537
77ee7c89
JB		 1538 switch (sdata->vif.type) {
1539 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1540 if (sdata->u.mesh.user_mpm)
eef941e6 1541 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1542 else
eef941e6 1543 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1544 break;
1545 case NL80211_IFTYPE_ADHOC:
1546 statype = CFG80211_STA_IBSS;
1547 break;
1548 case NL80211_IFTYPE_STATION:
1549 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1550 statype = CFG80211_STA_AP_STA;
1551 break;
1552 }
1553 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1554 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1555 else
1556 statype = CFG80211_STA_TDLS_PEER_SETUP;
1557 break;
1558 case NL80211_IFTYPE_AP:
1559 case NL80211_IFTYPE_AP_VLAN:
44674d9c
AB		 1560 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1561 statype = CFG80211_STA_AP_CLIENT;
1562 else
1563 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
77ee7c89
JB		 1564 break;
1565 default:
1566 err = -EOPNOTSUPP;
1567 goto out_err;
bdd90d5e
JB		 1568 }
1569
77ee7c89
JB		 1570 err = cfg80211_check_station_change(wiphy, params, statype);
1571 if (err)
1572 goto out_err;
1573
d0709a65 1574 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 1575 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1576
9bc383de 1577 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1578 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1579 err = -EBUSY;
1580 goto out_err;
3305443c 1581 }
f14543ee 1582
cf778b00 1583 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
49ddf8e6 1584 __ieee80211_check_fast_rx_iface(vlansdata);
7e3ed02c
FF		 1585 }
1586
1587 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
72f15d53 1588 sta->sdata->u.vlan.sta)
0c2bef46 1589 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
72f15d53
MB		 1590
1591 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1592 ieee80211_vif_dec_num_mcast(sta->sdata);
f14543ee 1593
14db74bc 1594 sta->sdata = vlansdata;
464daaf0 1595 ieee80211_check_fast_xmit(sta);
7e3ed02c 1596
72f15d53
MB		 1597 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1598 ieee80211_vif_inc_num_mcast(sta->sdata);
7e3ed02c 1599
4fd6931e
JB		 1600 ieee80211_send_layer2_update(sta);
1601 }
1602
35b88623 1603 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1604 if (err)
1605 goto out_err;
4fd6931e 1606
87be1e1e 1607 mutex_unlock(&local->sta_mtx);
98dd6a57 1608
687da132
EG		 1609 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1610 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1611 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1612 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1613 sta_info_tx_streams(sta) != 1) {
1614 ht_dbg(sta->sdata,
1615 "%pM just authorized and MIMO capable - update SMPS\n",
1616 sta->sta.addr);
1617 ieee80211_send_smps_action(sta->sdata,
1618 sta->sdata->bss->req_smps,
1619 sta->sta.addr,
1620 sta->sdata->vif.bss_conf.bssid);
1621 }
1622
808118cb 1623 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1624 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4a733ef1 1625 ieee80211_recalc_ps(local);
ab095877
EP		 1626 ieee80211_recalc_ps_vif(sdata);
1627 }
77ee7c89 1628
4fd6931e 1629 return 0;
77ee7c89
JB		 1630out_err:
1631 mutex_unlock(&local->sta_mtx);
1632 return err;
4fd6931e
JB		 1633}
1634
c5dd9c2b
LCC		 1635#ifdef CONFIG_MAC80211_MESH
1636static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1637 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1638{
14db74bc 1639 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1640 struct mesh_path *mpath;
1641 struct sta_info *sta;
c5dd9c2b 1642
14db74bc
JB		 1643 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1644
d0709a65 1645 rcu_read_lock();
abe60632 1646 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1647 if (!sta) {
1648 rcu_read_unlock();
c5dd9c2b 1649 return -ENOENT;
d0709a65 1650 }
c5dd9c2b 1651
ae76eef0
BC		 1652 mpath = mesh_path_add(sdata, dst);
1653 if (IS_ERR(mpath)) {
d0709a65 1654 rcu_read_unlock();
ae76eef0 1655 return PTR_ERR(mpath);
d0709a65 1656 }
c5dd9c2b 1657
c5dd9c2b 1658 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1659
c5dd9c2b
LCC		 1660 rcu_read_unlock();
1661 return 0;
1662}
1663
1664static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1665 const u8 *dst)
c5dd9c2b 1666{
f698d856
JBG		 1667 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1668
c5dd9c2b 1669 if (dst)
bf7cd94d 1670 return mesh_path_del(sdata, dst);
c5dd9c2b 1671
ece1a2e7 1672 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1673 return 0;
1674}
1675
3b3a0162
JB		 1676static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1677 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1678{
14db74bc 1679 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1680 struct mesh_path *mpath;
1681 struct sta_info *sta;
1682
14db74bc
JB		 1683 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1684
d0709a65
JB		 1685 rcu_read_lock();
1686
abe60632 1687 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1688 if (!sta) {
1689 rcu_read_unlock();
c5dd9c2b 1690 return -ENOENT;
d0709a65 1691 }
c5dd9c2b 1692
bf7cd94d 1693 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1694 if (!mpath) {
1695 rcu_read_unlock();
c5dd9c2b
LCC		 1696 return -ENOENT;
1697 }
1698
1699 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1700
c5dd9c2b
LCC		 1701 rcu_read_unlock();
1702 return 0;
1703}
1704
1705static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1706 struct mpath_info *pinfo)
1707{
a3836e02
JB		 1708 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1709
1710 if (next_hop_sta)
1711 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1712 else
c84a67a2 1713 eth_zero_addr(next_hop);
c5dd9c2b 1714
7ce8c7a3
LAYS		 1715 memset(pinfo, 0, sizeof(*pinfo));
1716
2bdaf386 1717 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
f5ea9120 1718
c5dd9c2b 1719 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1720 MPATH_INFO_SN |
c5dd9c2b
LCC		 1721 MPATH_INFO_METRIC |
1722 MPATH_INFO_EXPTIME |
1723 MPATH_INFO_DISCOVERY_TIMEOUT |
1724 MPATH_INFO_DISCOVERY_RETRIES |
1725 MPATH_INFO_FLAGS;
1726
1727 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1728 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1729 pinfo->metric = mpath->metric;
1730 if (time_before(jiffies, mpath->exp_time))
1731 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1732 pinfo->discovery_timeout =
1733 jiffies_to_msecs(mpath->discovery_timeout);
1734 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1735 if (mpath->flags & MESH_PATH_ACTIVE)
1736 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1737 if (mpath->flags & MESH_PATH_RESOLVING)
1738 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1739 if (mpath->flags & MESH_PATH_SN_VALID)
1740 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1741 if (mpath->flags & MESH_PATH_FIXED)
1742 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1743 if (mpath->flags & MESH_PATH_RESOLVED)
1744 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1745}
1746
1747static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1748 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1749
1750{
14db74bc 1751 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1752 struct mesh_path *mpath;
1753
14db74bc
JB		 1754 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1755
c5dd9c2b 1756 rcu_read_lock();
bf7cd94d 1757 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1758 if (!mpath) {
1759 rcu_read_unlock();
1760 return -ENOENT;
1761 }
1762 memcpy(dst, mpath->dst, ETH_ALEN);
1763 mpath_set_pinfo(mpath, next_hop, pinfo);
1764 rcu_read_unlock();
1765 return 0;
1766}
1767
1768static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1769 int idx, u8 *dst, u8 *next_hop,
1770 struct mpath_info *pinfo)
c5dd9c2b 1771{
14db74bc 1772 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1773 struct mesh_path *mpath;
1774
14db74bc
JB		 1775 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1776
c5dd9c2b 1777 rcu_read_lock();
bf7cd94d 1778 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1779 if (!mpath) {
1780 rcu_read_unlock();
1781 return -ENOENT;
1782 }
1783 memcpy(dst, mpath->dst, ETH_ALEN);
1784 mpath_set_pinfo(mpath, next_hop, pinfo);
1785 rcu_read_unlock();
1786 return 0;
1787}
93da9cc1 1788
a2db2ed3
HR		 1789static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1790 struct mpath_info *pinfo)
1791{
1792 memset(pinfo, 0, sizeof(*pinfo));
1793 memcpy(mpp, mpath->mpp, ETH_ALEN);
1794
2bdaf386 1795 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
a2db2ed3
HR		 1796}
1797
1798static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1799 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1800
1801{
1802 struct ieee80211_sub_if_data *sdata;
1803 struct mesh_path *mpath;
1804
1805 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1806
1807 rcu_read_lock();
1808 mpath = mpp_path_lookup(sdata, dst);
1809 if (!mpath) {
1810 rcu_read_unlock();
1811 return -ENOENT;
1812 }
1813 memcpy(dst, mpath->dst, ETH_ALEN);
1814 mpp_set_pinfo(mpath, mpp, pinfo);
1815 rcu_read_unlock();
1816 return 0;
1817}
1818
1819static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1820 int idx, u8 *dst, u8 *mpp,
1821 struct mpath_info *pinfo)
1822{
1823 struct ieee80211_sub_if_data *sdata;
1824 struct mesh_path *mpath;
1825
1826 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1827
1828 rcu_read_lock();
1829 mpath = mpp_path_lookup_by_idx(sdata, idx);
1830 if (!mpath) {
1831 rcu_read_unlock();
1832 return -ENOENT;
1833 }
1834 memcpy(dst, mpath->dst, ETH_ALEN);
1835 mpp_set_pinfo(mpath, mpp, pinfo);
1836 rcu_read_unlock();
1837 return 0;
1838}
1839
24bdd9f4 1840static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1841 struct net_device *dev,
1842 struct mesh_config *conf)
1843{
1844 struct ieee80211_sub_if_data *sdata;
1845 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1846
93da9cc1 1847 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1848 return 0;
1849}
1850
1851static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1852{
1853 return (mask >> (parm-1)) & 0x1;
1854}
1855
c80d545d
JC		 1856static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1857 const struct mesh_setup *setup)
1858{
1859 u8 *new_ie;
1860 const u8 *old_ie;
4bb62344
CYY		 1861 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1862 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1863
581a8b0f 1864 /* allocate information elements */
c80d545d 1865 new_ie = NULL;
581a8b0f 1866 old_ie = ifmsh->ie;
c80d545d 1867
581a8b0f
JC		 1868 if (setup->ie_len) {
1869 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1870 GFP_KERNEL);
1871 if (!new_ie)
1872 return -ENOMEM;
1873 }
581a8b0f
JC		 1874 ifmsh->ie_len = setup->ie_len;
1875 ifmsh->ie = new_ie;
1876 kfree(old_ie);
c80d545d
JC		 1877
1878 /* now copy the rest of the setup parameters */
1879 ifmsh->mesh_id_len = setup->mesh_id_len;
1880 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1881 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1882 ifmsh->mesh_pp_id = setup->path_sel_proto;
1883 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1884 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1885 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce 1886 ifmsh->security = IEEE80211_MESH_SEC_NONE;
0ab2e55d 1887 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
b130e5ce
JC		 1888 if (setup->is_authenticated)
1889 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1890 if (setup->is_secure)
1891 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1892
4bb62344
CYY		 1893 /* mcast rate setting in Mesh Node */
1894 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1895 sizeof(setup->mcast_rate));
ffb3cf30 1896 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1897
9bdbf04d
MP		 1898 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1899 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1900
c80d545d
JC		 1901 return 0;
1902}
1903
24bdd9f4 1904static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1905 struct net_device *dev, u32 mask,
1906 const struct mesh_config *nconf)
93da9cc1 1907{
1908 struct mesh_config *conf;
1909 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1910 struct ieee80211_if_mesh *ifmsh;
1911
93da9cc1 1912 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1913 ifmsh = &sdata->u.mesh;
93da9cc1 1914
93da9cc1 1915 /* Set the config options which we are interested in setting */
1916 conf = &(sdata->u.mesh.mshcfg);
1917 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1918 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1919 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1920 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1921 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1922 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1923 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1924 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1925 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1926 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1927 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1928 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1929 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1930 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1931 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1932 if (ifmsh->user_mpm)
1933 return -EBUSY;
93da9cc1 1934 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1935 }
d299a1f2
JC		 1936 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1937 conf->dot11MeshNbrOffsetMaxNeighbor =
1938 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1939 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1940 conf->dot11MeshHWMPmaxPREQretries =
1941 nconf->dot11MeshHWMPmaxPREQretries;
1942 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1943 conf->path_refresh_time = nconf->path_refresh_time;
1944 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1945 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1946 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1947 conf->dot11MeshHWMPactivePathTimeout =
1948 nconf->dot11MeshHWMPactivePathTimeout;
1949 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1950 conf->dot11MeshHWMPpreqMinInterval =
1951 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1952 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1953 conf->dot11MeshHWMPperrMinInterval =
1954 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1955 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1956 mask))
1957 conf->dot11MeshHWMPnetDiameterTraversalTime =
1958 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1959 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1960 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1961 ieee80211_mesh_root_setup(ifmsh);
1962 }
16dd7267 1963 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1964 /* our current gate announcement implementation rides on root
1965 * announcements, so require this ifmsh to also be a root node
1966 * */
1967 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1968 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1969 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1970 ieee80211_mesh_root_setup(ifmsh);
1971 }
16dd7267
JC		 1972 conf->dot11MeshGateAnnouncementProtocol =
1973 nconf->dot11MeshGateAnnouncementProtocol;
1974 }
a4f606ea 1975 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1976 conf->dot11MeshHWMPRannInterval =
1977 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1978 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1979 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1980 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1981 /* our RSSI threshold implementation is supported only for
1982 * devices that report signal in dBm.
1983 */
30686bf7 1984 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
55335137
AN		 1985 return -ENOTSUPP;
1986 conf->rssi_threshold = nconf->rssi_threshold;
1987 }
70c33eaa
AN		 1988 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1989 conf->ht_opmode = nconf->ht_opmode;
1990 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1991 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1992 }
ac1073a6
CYY		 1993 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1994 conf->dot11MeshHWMPactivePathToRootTimeout =
1995 nconf->dot11MeshHWMPactivePathToRootTimeout;
1996 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1997 conf->dot11MeshHWMProotInterval =
1998 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1999 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2000 conf->dot11MeshHWMPconfirmationInterval =
2001 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 2002 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2003 conf->power_mode = nconf->power_mode;
2004 ieee80211_mps_local_status_update(sdata);
2005 }
2b5e1967 2006 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 2007 conf->dot11MeshAwakeWindowDuration =
2008 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 2009 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2010 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 2011 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 2012 return 0;
2013}
2014
29cbe68c
JB		 2015static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2016 const struct mesh_config *conf,
2017 const struct mesh_setup *setup)
2018{
2019 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2020 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 2021 int err;
29cbe68c 2022
c80d545d
JC		 2023 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2024 err = copy_mesh_setup(ifmsh, setup);
2025 if (err)
2026 return err;
cc1d2806 2027
04ecd257
JB		 2028 /* can mesh use other SMPS modes? */
2029 sdata->smps_mode = IEEE80211_SMPS_OFF;
2030 sdata->needed_rx_chains = sdata->local->rx_chains;
2031
34a3740d 2032 mutex_lock(&sdata->local->mtx);
4bf88530 2033 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 2034 IEEE80211_CHANCTX_SHARED);
34a3740d 2035 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 2036 if (err)
2037 return err;
2038
2b5e1967 2039 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 2040}
2041
2042static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2043{
2044 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2045
2046 ieee80211_stop_mesh(sdata);
34a3740d 2047 mutex_lock(&sdata->local->mtx);
55de908a 2048 ieee80211_vif_release_channel(sdata);
34a3740d 2049 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 2050
2051 return 0;
2052}
c5dd9c2b
LCC		 2053#endif
2054
9f1ba906
JM		 2055static int ieee80211_change_bss(struct wiphy *wiphy,
2056 struct net_device *dev,
2057 struct bss_parameters *params)
2058{
55de908a 2059 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21a8e9dd 2060 struct ieee80211_supported_band *sband;
9f1ba906
JM		 2061 u32 changed = 0;
2062
7ca133bc 2063 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 2064 return -ENOENT;
2065
21a8e9dd
MSS		 2066 sband = ieee80211_get_sband(sdata);
2067 if (!sband)
2068 return -EINVAL;
9f1ba906 2069
9f1ba906 2070 if (params->use_cts_prot >= 0) {
bda3933a 2071 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 2072 changed |= BSS_CHANGED_ERP_CTS_PROT;
2073 }
2074 if (params->use_short_preamble >= 0) {
bda3933a 2075 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 2076 params->use_short_preamble;
2077 changed |= BSS_CHANGED_ERP_PREAMBLE;
2078 }
43d35343
FF		 2079
2080 if (!sdata->vif.bss_conf.use_short_slot &&
21a8e9dd 2081 sband->band == NL80211_BAND_5GHZ) {
43d35343
FF		 2082 sdata->vif.bss_conf.use_short_slot = true;
2083 changed |= BSS_CHANGED_ERP_SLOT;
2084 }
2085
9f1ba906 2086 if (params->use_short_slot_time >= 0) {
bda3933a 2087 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2088 params->use_short_slot_time;
2089 changed |= BSS_CHANGED_ERP_SLOT;
2090 }
2091
90c97a04 2092 if (params->basic_rates) {
2103dec1 2093 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
21a8e9dd 2094 wiphy->bands[sband->band],
2103dec1
SW		 2095 params->basic_rates,
2096 params->basic_rates_len,
2097 &sdata->vif.bss_conf.basic_rates);
90c97a04 2098 changed |= BSS_CHANGED_BASIC_RATES;
e8e4f528 2099 ieee80211_check_rate_mask(sdata);
90c97a04
JM		 2100 }
2101
7b7b5e56
FF		 2102 if (params->ap_isolate >= 0) {
2103 if (params->ap_isolate)
2104 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2105 else
2106 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
49ddf8e6 2107 ieee80211_check_fast_rx_iface(sdata);
7b7b5e56
FF		 2108 }
2109
80d7e403
HS		 2110 if (params->ht_opmode >= 0) {
2111 sdata->vif.bss_conf.ht_operation_mode =
2112 (u16) params->ht_opmode;
2113 changed |= BSS_CHANGED_HT;
2114 }
2115
339afbf4 2116 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2117 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2118 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2119 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2120 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2121 changed |= BSS_CHANGED_P2P_PS;
2122 }
2123
67baf663
JD		 2124 if (params->p2p_opp_ps > 0) {
2125 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2126 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2127 changed |= BSS_CHANGED_P2P_PS;
2128 } else if (params->p2p_opp_ps == 0) {
2129 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2130 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2131 changed |= BSS_CHANGED_P2P_PS;
2132 }
2133
9f1ba906
JM		 2134 ieee80211_bss_info_change_notify(sdata, changed);
2135
2136 return 0;
2137}
2138
31888487 2139static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2140 struct net_device *dev,
31888487
JM		 2141 struct ieee80211_txq_params *params)
2142{
2143 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2144 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2145 struct ieee80211_tx_queue_params p;
2146
2147 if (!local->ops->conf_tx)
2148 return -EOPNOTSUPP;
2149
54bcbc69
JB		 2150 if (local->hw.queues < IEEE80211_NUM_ACS)
2151 return -EOPNOTSUPP;
2152
31888487
JM		 2153 memset(&p, 0, sizeof(p));
2154 p.aifs = params->aifs;
2155 p.cw_max = params->cwmax;
2156 p.cw_min = params->cwmin;
2157 p.txop = params->txop;
ab13315a
KV		 2158
2159 /*
2160 * Setting tx queue params disables u-apsd because it's only
2161 * called in master mode.
2162 */
2163 p.uapsd = false;
2164
a3304b0a
JB		 2165 sdata->tx_conf[params->ac] = p;
2166 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2167 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2168 "failed to set TX queue parameters for AC %d\n",
2169 params->ac);
31888487
JM		 2170 return -EINVAL;
2171 }
2172
7d25745d
JB		 2173 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2174
31888487
JM		 2175 return 0;
2176}
2177
665af4fc 2178#ifdef CONFIG_PM
ff1b6e69
JB		 2179static int ieee80211_suspend(struct wiphy *wiphy,
2180 struct cfg80211_wowlan *wowlan)
665af4fc 2181{
eecc4800 2182 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2183}
2184
2185static int ieee80211_resume(struct wiphy *wiphy)
2186{
2187 return __ieee80211_resume(wiphy_priv(wiphy));
2188}
2189#else
2190#define ieee80211_suspend NULL
2191#define ieee80211_resume NULL
2192#endif
2193
2a519311 2194static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2195 struct cfg80211_scan_request *req)
2196{
fd014284
JB		 2197 struct ieee80211_sub_if_data *sdata;
2198
2199 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2200
2ca27bcf
JB		 2201 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2202 case NL80211_IFTYPE_STATION:
2203 case NL80211_IFTYPE_ADHOC:
2204 case NL80211_IFTYPE_MESH_POINT:
2205 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2206 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2207 break;
2208 case NL80211_IFTYPE_P2P_GO:
2209 if (sdata->local->ops->hw_scan)
2210 break;
e9d7732e
JB		 2211 /*
2212 * FIXME: implement NoA while scanning in software,
2213 * for now fall through to allow scanning only when
2214 * beaconing hasn't been configured yet
2215 */
2ca27bcf 2216 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2217 /*
2218 * If the scan has been forced (and the driver supports
2219 * forcing), don't care about being beaconing already.
2220 * This will create problems to the attached stations (e.g. all
2221 * the frames sent while scanning on other channel will be
2222 * lost)
2223 */
2224 if (sdata->u.ap.beacon &&
2225 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2226 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2227 return -EOPNOTSUPP;
2228 break;
cb3b7d87 2229 case NL80211_IFTYPE_NAN:
2ca27bcf
JB		 2230 default:
2231 return -EOPNOTSUPP;
2232 }
2a519311
JB		 2233
2234 return ieee80211_request_scan(sdata, req);
2235}
2236
91f123f2
VK		 2237static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2238{
2239 ieee80211_scan_cancel(wiphy_priv(wiphy));
2240}
2241
79f460ca
LC		 2242static int
2243ieee80211_sched_scan_start(struct wiphy *wiphy,
2244 struct net_device *dev,
2245 struct cfg80211_sched_scan_request *req)
2246{
2247 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2248
2249 if (!sdata->local->ops->sched_scan_start)
2250 return -EOPNOTSUPP;
2251
2252 return ieee80211_request_sched_scan_start(sdata, req);
2253}
2254
2255static int
3a3ecf1d
AVS		 2256ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2257 u64 reqid)
79f460ca 2258{
0d440ea2 2259 struct ieee80211_local *local = wiphy_priv(wiphy);
79f460ca 2260
0d440ea2 2261 if (!local->ops->sched_scan_stop)
79f460ca
LC		 2262 return -EOPNOTSUPP;
2263
0d440ea2 2264 return ieee80211_request_sched_scan_stop(local);
79f460ca
LC		 2265}
2266
636a5d36
JM		 2267static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2268 struct cfg80211_auth_request *req)
2269{
77fdaa12 2270 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2271}
2272
2273static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2274 struct cfg80211_assoc_request *req)
2275{
77fdaa12 2276 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2277}
2278
2279static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2280 struct cfg80211_deauth_request *req)
636a5d36 2281{
63c9c5e7 2282 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2283}
2284
2285static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2286 struct cfg80211_disassoc_request *req)
636a5d36 2287{
63c9c5e7 2288 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2289}
2290
af8cdcd8
JB		 2291static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2292 struct cfg80211_ibss_params *params)
2293{
55de908a 2294 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2295}
2296
2297static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2298{
55de908a 2299 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2300}
2301
239281f8
RL		 2302static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2303 struct ocb_setup *setup)
2304{
2305 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2306}
2307
2308static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2309{
2310 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2311}
2312
391e53e3 2313static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
57fbcce3 2314 int rate[NUM_NL80211_BANDS])
391e53e3
AQ		 2315{
2316 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2317
9887dbf5 2318 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
57fbcce3 2319 sizeof(int) * NUM_NL80211_BANDS);
391e53e3
AQ		 2320
2321 return 0;
2322}
2323
b9a5f8ca
JM		 2324static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2325{
2326 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2327 int err;
b9a5f8ca 2328
f23a4780 2329 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2330 ieee80211_check_fast_xmit_all(local);
2331
f23a4780
AN		 2332 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2333
17c18bf8
JB		 2334 if (err) {
2335 ieee80211_check_fast_xmit_all(local);
f23a4780 2336 return err;
17c18bf8 2337 }
f23a4780
AN		 2338 }
2339
a4bcaf55
LB		 2340 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2341 (changed & WIPHY_PARAM_DYN_ACK)) {
2342 s16 coverage_class;
2343
2344 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2345 wiphy->coverage_class : -1;
2346 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2347
2348 if (err)
2349 return err;
2350 }
2351
b9a5f8ca 2352 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2353 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2354
24487981
JB		 2355 if (err)
2356 return err;
b9a5f8ca
JM		 2357 }
2358
8bc83c24
JB		 2359 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2360 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2361 return -EINVAL;
b9a5f8ca 2362 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2363 }
2364 if (changed & WIPHY_PARAM_RETRY_LONG) {
2365 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2366 return -EINVAL;
b9a5f8ca 2367 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2368 }
b9a5f8ca
JM		 2369 if (changed &
2370 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2371 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2372
2373 return 0;
2374}
2375
7643a2c3 2376static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2377 struct wireless_dev *wdev,
fa61cf70 2378 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2379{
2380 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2381 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2382 enum nl80211_tx_power_setting txp_type = type;
2383 bool update_txp_type = false;
beb30e94 2384 bool has_monitor = false;
7643a2c3 2385
1ea6f9c0
JB		 2386 if (wdev) {
2387 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2388
beb30e94
PG		 2389 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2390 sdata = rtnl_dereference(local->monitor_sdata);
2391 if (!sdata)
2392 return -EOPNOTSUPP;
2393 }
2394
1ea6f9c0
JB		 2395 switch (type) {
2396 case NL80211_TX_POWER_AUTOMATIC:
2397 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2398 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2399 break;
2400 case NL80211_TX_POWER_LIMITED:
2401 case NL80211_TX_POWER_FIXED:
2402 if (mbm < 0 || (mbm % 100))
2403 return -EOPNOTSUPP;
2404 sdata->user_power_level = MBM_TO_DBM(mbm);
2405 break;
2406 }
2407
db82d8a9
LB		 2408 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2409 update_txp_type = true;
2410 sdata->vif.bss_conf.txpower_type = txp_type;
2411 }
2412
2413 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2414
2415 return 0;
2416 }
55de908a 2417
7643a2c3 2418 switch (type) {
fa61cf70 2419 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2420 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2421 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2422 break;
fa61cf70 2423 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2424 case NL80211_TX_POWER_FIXED:
2425 if (mbm < 0 || (mbm % 100))
2426 return -EOPNOTSUPP;
fa61cf70 2427 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2428 break;
7643a2c3
JB		 2429 }
2430
1ea6f9c0 2431 mutex_lock(&local->iflist_mtx);
db82d8a9 2432 list_for_each_entry(sdata, &local->interfaces, list) {
beb30e94
PG		 2433 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2434 has_monitor = true;
2435 continue;
2436 }
1ea6f9c0 2437 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2438 if (txp_type != sdata->vif.bss_conf.txpower_type)
2439 update_txp_type = true;
2440 sdata->vif.bss_conf.txpower_type = txp_type;
2441 }
beb30e94
PG		 2442 list_for_each_entry(sdata, &local->interfaces, list) {
2443 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2444 continue;
db82d8a9 2445 ieee80211_recalc_txpower(sdata, update_txp_type);
beb30e94 2446 }
1ea6f9c0 2447 mutex_unlock(&local->iflist_mtx);
7643a2c3 2448
beb30e94
PG		 2449 if (has_monitor) {
2450 sdata = rtnl_dereference(local->monitor_sdata);
2451 if (sdata) {
2452 sdata->user_power_level = local->user_power_level;
2453 if (txp_type != sdata->vif.bss_conf.txpower_type)
2454 update_txp_type = true;
2455 sdata->vif.bss_conf.txpower_type = txp_type;
2456
2457 ieee80211_recalc_txpower(sdata, update_txp_type);
2458 }
2459 }
2460
7643a2c3
JB		 2461 return 0;
2462}
2463
c8442118
JB		 2464static int ieee80211_get_tx_power(struct wiphy *wiphy,
2465 struct wireless_dev *wdev,
2466 int *dbm)
7643a2c3
JB		 2467{
2468 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2469 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2470
5b3dc42b
FF		 2471 if (local->ops->get_txpower)
2472 return drv_get_txpower(local, sdata, dbm);
2473
1ea6f9c0
JB		 2474 if (!local->use_chanctx)
2475 *dbm = local->hw.conf.power_level;
2476 else
2477 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2478
7643a2c3
JB		 2479 return 0;
2480}
2481
ab737a4f 2482static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2483 const u8 *addr)
ab737a4f
JB		 2484{
2485 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2486
2487 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2488
2489 return 0;
2490}
2491
1f87f7d3
JB		 2492static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2493{
2494 struct ieee80211_local *local = wiphy_priv(wiphy);
2495
2496 drv_rfkill_poll(local);
2497}
2498
aff89a9b 2499#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2500static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2501 struct wireless_dev *wdev,
2502 void *data, int len)
aff89a9b
JB		 2503{
2504 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2505 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2506
2507 if (!local->ops->testmode_cmd)
2508 return -EOPNOTSUPP;
2509
52981cd7
DS		 2510 if (wdev) {
2511 struct ieee80211_sub_if_data *sdata;
2512
2513 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2514 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2515 vif = &sdata->vif;
2516 }
2517
2518 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2519}
71063f0e
WYG		 2520
2521static int ieee80211_testmode_dump(struct wiphy *wiphy,
2522 struct sk_buff *skb,
2523 struct netlink_callback *cb,
2524 void *data, int len)
2525{
2526 struct ieee80211_local *local = wiphy_priv(wiphy);
2527
2528 if (!local->ops->testmode_dump)
2529 return -EOPNOTSUPP;
2530
2531 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2532}
aff89a9b
JB		 2533#endif
2534
687da132
EG		 2535int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2536 enum ieee80211_smps_mode smps_mode)
2537{
2538 struct sta_info *sta;
2539 enum ieee80211_smps_mode old_req;
687da132
EG		 2540
2541 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2542 return -EINVAL;
2543
2544 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2545 return 0;
2546
2547 old_req = sdata->u.ap.req_smps;
2548 sdata->u.ap.req_smps = smps_mode;
2549
2550 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2551 if (old_req == smps_mode ||
2552 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2553 return 0;
2554
687da132 2555 ht_dbg(sdata,
6a8b4adb 2556 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2557 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2558
2559 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2560 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2561 /*
2562 * Only stations associated to our AP and
2563 * associated VLANs
2564 */
2565 if (sta->sdata->bss != &sdata->u.ap)
2566 continue;
687da132 2567
7d9bb2f0
JB		 2568 /* This station doesn't support MIMO - skip it */
2569 if (sta_info_tx_streams(sta) == 1)
2570 continue;
687da132 2571
7d9bb2f0
JB		 2572 /*
2573 * Don't wake up a STA just to send the action frame
2574 * unless we are getting more restrictive.
2575 */
2576 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2577 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2578 smps_mode)) {
2579 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2580 sta->sta.addr);
2581 continue;
2582 }
687da132 2583
7d9bb2f0
JB		 2584 /*
2585 * If the STA is not authorized, wait until it gets
2586 * authorized and the action frame will be sent then.
2587 */
2588 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2589 continue;
687da132 2590
7d9bb2f0
JB		 2591 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2592 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2593 sdata->vif.bss_conf.bssid);
687da132
EG		 2594 }
2595 mutex_unlock(&sdata->local->sta_mtx);
2596
2597 sdata->smps_mode = smps_mode;
2598 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2599
2600 return 0;
2601}
2602
2603int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2604 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2605{
2606 const u8 *ap;
2607 enum ieee80211_smps_mode old_req;
2608 int err;
d51c2ea3
AN		 2609 struct sta_info *sta;
2610 bool tdls_peer_found = false;
0f78231b 2611
8d61ffa5 2612 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2613
687da132
EG		 2614 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2615 return -EINVAL;
2616
0f78231b
JB		 2617 old_req = sdata->u.mgd.req_smps;
2618 sdata->u.mgd.req_smps = smps_mode;
2619
2620 if (old_req == smps_mode &&
2621 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2622 return 0;
2623
2624 /*
2625 * If not associated, or current association is not an HT
04ecd257
JB		 2626 * association, there's no need to do anything, just store
2627 * the new value until we associate.
0f78231b
JB		 2628 */
2629 if (!sdata->u.mgd.associated ||
4bf88530 2630 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2631 return 0;
0f78231b 2632
0c1ad2ca 2633 ap = sdata->u.mgd.associated->bssid;
0f78231b 2634
d51c2ea3
AN		 2635 rcu_read_lock();
2636 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2637 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2638 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2639 continue;
2640
2641 tdls_peer_found = true;
2642 break;
2643 }
2644 rcu_read_unlock();
2645
0f78231b 2646 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
d51c2ea3 2647 if (tdls_peer_found || !sdata->u.mgd.powersave)
0f78231b 2648 smps_mode = IEEE80211_SMPS_OFF;
d51c2ea3
AN		 2649 else
2650 smps_mode = IEEE80211_SMPS_DYNAMIC;
0f78231b
JB		 2651 }
2652
2653 /* send SM PS frame to AP */
2654 err = ieee80211_send_smps_action(sdata, smps_mode,
2655 ap, ap);
2656 if (err)
2657 sdata->u.mgd.req_smps = old_req;
d51c2ea3
AN		 2658 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2659 ieee80211_teardown_tdls_peers(sdata);
0f78231b
JB		 2660
2661 return err;
2662}
2663
bc92afd9
JB		 2664static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2665 bool enabled, int timeout)
2666{
2667 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2668 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2669
2d3db210 2670 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2671 return -EOPNOTSUPP;
2672
30686bf7 2673 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
bc92afd9
JB		 2674 return -EOPNOTSUPP;
2675
2676 if (enabled == sdata->u.mgd.powersave &&
ff616381 2677 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2678 return 0;
2679
2680 sdata->u.mgd.powersave = enabled;
ff616381 2681 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2682
0f78231b 2683 /* no change, but if automatic follow powersave */
ed405be5 2684 sdata_lock(sdata);
687da132 2685 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2686 sdata_unlock(sdata);
0f78231b 2687
30686bf7 2688 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
bc92afd9
JB		 2689 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2690
4a733ef1 2691 ieee80211_recalc_ps(local);
ab095877 2692 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2693
2694 return 0;
2695}
2696
a97c13c3
JO		 2697static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2698 struct net_device *dev,
2699 s32 rssi_thold, u32 rssi_hyst)
2700{
2701 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2702 struct ieee80211_vif *vif = &sdata->vif;
2703 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2704
a97c13c3
JO		 2705 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2706 rssi_hyst == bss_conf->cqm_rssi_hyst)
2707 return 0;
2708
ef9be10c
JB		 2709 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2710 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2711 return -EOPNOTSUPP;
2712
a97c13c3
JO		 2713 bss_conf->cqm_rssi_thold = rssi_thold;
2714 bss_conf->cqm_rssi_hyst = rssi_hyst;
2c3c5f8c
AZ		 2715 bss_conf->cqm_rssi_low = 0;
2716 bss_conf->cqm_rssi_high = 0;
2717 sdata->u.mgd.last_cqm_event_signal = 0;
2718
2719 /* tell the driver upon association, unless already associated */
2720 if (sdata->u.mgd.associated &&
2721 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2722 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2723
2724 return 0;
2725}
2726
2727static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2728 struct net_device *dev,
2729 s32 rssi_low, s32 rssi_high)
2730{
2731 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2732 struct ieee80211_vif *vif = &sdata->vif;
2733 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2734
2735 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2736 return -EOPNOTSUPP;
2737
2738 bss_conf->cqm_rssi_low = rssi_low;
2739 bss_conf->cqm_rssi_high = rssi_high;
2740 bss_conf->cqm_rssi_thold = 0;
2741 bss_conf->cqm_rssi_hyst = 0;
babc305e 2742 sdata->u.mgd.last_cqm_event_signal = 0;
a97c13c3
JO		 2743
2744 /* tell the driver upon association, unless already associated */
ea086359
JB		 2745 if (sdata->u.mgd.associated &&
2746 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2747 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2748
2749 return 0;
2750}
2751
9930380f
JB		 2752static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2753 struct net_device *dev,
2754 const u8 *addr,
2755 const struct cfg80211_bitrate_mask *mask)
2756{
2757 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2758 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2759 int i, ret;
2c7e6bc9 2760
554a43d5
EP		 2761 if (!ieee80211_sdata_running(sdata))
2762 return -ENETDOWN;
2763
e8e4f528
JB		 2764 /*
2765 * If active validate the setting and reject it if it doesn't leave
2766 * at least one basic rate usable, since we really have to be able
2767 * to send something, and if we're an AP we have to be able to do
2768 * so at a basic rate so that all clients can receive it.
2769 */
2770 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2771 sdata->vif.bss_conf.chandef.chan) {
2772 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2773 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2774
2775 if (!(mask->control[band].legacy & basic_rates))
2776 return -EINVAL;
2777 }
2778
e5f5ce37
JB		 2779 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2780 ret = drv_set_bitrate_mask(local, sdata, mask);
2781 if (ret)
2782 return ret;
2783 }
2784
57fbcce3 2785 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2ffbe6d3
FF		 2786 struct ieee80211_supported_band *sband = wiphy->bands[i];
2787 int j;
2788
37eb0b16 2789 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2790 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2791 sizeof(mask->control[i].ht_mcs));
b119ad6e
LB		 2792 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2793 mask->control[i].vht_mcs,
2794 sizeof(mask->control[i].vht_mcs));
2ffbe6d3
FF		 2795
2796 sdata->rc_has_mcs_mask[i] = false;
b119ad6e 2797 sdata->rc_has_vht_mcs_mask[i] = false;
2ffbe6d3
FF		 2798 if (!sband)
2799 continue;
2800
b119ad6e 2801 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2df1b131 2802 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2ffbe6d3 2803 sdata->rc_has_mcs_mask[i] = true;
2df1b131
JB		 2804 break;
2805 }
2806 }
b119ad6e 2807
2df1b131
JB		 2808 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2809 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
b119ad6e 2810 sdata->rc_has_vht_mcs_mask[i] = true;
2ffbe6d3 2811 break;
2df1b131 2812 }
b119ad6e 2813 }
19468413 2814 }
9930380f 2815
37eb0b16 2816 return 0;
9930380f
JB		 2817}
2818
164eb02d
SW		 2819static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2820 struct net_device *dev,
31559f35
JD		 2821 struct cfg80211_chan_def *chandef,
2822 u32 cac_time_ms)
164eb02d
SW		 2823{
2824 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2825 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2826 int err;
2827
34a3740d
JB		 2828 mutex_lock(&local->mtx);
2829 if (!list_empty(&local->roc_list) || local->scanning) {
2830 err = -EBUSY;
2831 goto out_unlock;
2832 }
164eb02d
SW		 2833
2834 /* whatever, but channel contexts should not complain about that one */
2835 sdata->smps_mode = IEEE80211_SMPS_OFF;
2836 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2837
164eb02d
SW		 2838 err = ieee80211_vif_use_channel(sdata, chandef,
2839 IEEE80211_CHANCTX_SHARED);
164eb02d 2840 if (err)
34a3740d 2841 goto out_unlock;
164eb02d 2842
164eb02d 2843 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2844 &sdata->dfs_cac_timer_work,
2845 msecs_to_jiffies(cac_time_ms));
164eb02d 2846
34a3740d
JB		 2847 out_unlock:
2848 mutex_unlock(&local->mtx);
2849 return err;
164eb02d
SW		 2850}
2851
73da7d5b
SW		 2852static struct cfg80211_beacon_data *
2853cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2854{
2855 struct cfg80211_beacon_data *new_beacon;
2856 u8 *pos;
2857 int len;
2858
2859 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2860 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2861 beacon->probe_resp_len;
2862
2863 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2864 if (!new_beacon)
2865 return NULL;
2866
2867 pos = (u8 *)(new_beacon + 1);
2868 if (beacon->head_len) {
2869 new_beacon->head_len = beacon->head_len;
2870 new_beacon->head = pos;
2871 memcpy(pos, beacon->head, beacon->head_len);
2872 pos += beacon->head_len;
2873 }
2874 if (beacon->tail_len) {
2875 new_beacon->tail_len = beacon->tail_len;
2876 new_beacon->tail = pos;
2877 memcpy(pos, beacon->tail, beacon->tail_len);
2878 pos += beacon->tail_len;
2879 }
2880 if (beacon->beacon_ies_len) {
2881 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2882 new_beacon->beacon_ies = pos;
2883 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2884 pos += beacon->beacon_ies_len;
2885 }
2886 if (beacon->proberesp_ies_len) {
2887 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2888 new_beacon->proberesp_ies = pos;
2889 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2890 pos += beacon->proberesp_ies_len;
2891 }
2892 if (beacon->assocresp_ies_len) {
2893 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2894 new_beacon->assocresp_ies = pos;
2895 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2896 pos += beacon->assocresp_ies_len;
2897 }
2898 if (beacon->probe_resp_len) {
2899 new_beacon->probe_resp_len = beacon->probe_resp_len;
2019527f 2900 new_beacon->probe_resp = pos;
73da7d5b
SW		 2901 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2902 pos += beacon->probe_resp_len;
2903 }
2904
2905 return new_beacon;
2906}
2907
66e01cf9 2908void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2909{
66e01cf9 2910 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2911
66e01cf9
LC		 2912 ieee80211_queue_work(&sdata->local->hw,
2913 &sdata->csa_finalize_work);
2914}
2915EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2916
66199506
MK		 2917static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2918 u32 *changed)
66e01cf9 2919{
66199506 2920 int err;
7578d575 2921
cd7760e6
SW		 2922 switch (sdata->vif.type) {
2923 case NL80211_IFTYPE_AP:
af296bdb
MK		 2924 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2925 NULL);
97518af1
MK		 2926 kfree(sdata->u.ap.next_beacon);
2927 sdata->u.ap.next_beacon = NULL;
2928
cd7760e6 2929 if (err < 0)
66199506
MK		 2930 return err;
2931 *changed |= err;
cd7760e6
SW		 2932 break;
2933 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2934 err = ieee80211_ibss_finish_csa(sdata);
2935 if (err < 0)
66199506
MK		 2936 return err;
2937 *changed |= err;
cd7760e6 2938 break;
b8456a14
CYY		 2939#ifdef CONFIG_MAC80211_MESH
2940 case NL80211_IFTYPE_MESH_POINT:
2941 err = ieee80211_mesh_finish_csa(sdata);
2942 if (err < 0)
66199506
MK		 2943 return err;
2944 *changed |= err;
b8456a14
CYY		 2945 break;
2946#endif
cd7760e6
SW		 2947 default:
2948 WARN_ON(1);
66199506
MK		 2949 return -EINVAL;
2950 }
2951
2952 return 0;
2953}
2954
cf8767dd 2955static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2956{
2957 struct ieee80211_local *local = sdata->local;
2958 u32 changed = 0;
2959 int err;
2960
2961 sdata_assert_lock(sdata);
2962 lockdep_assert_held(&local->mtx);
03078de4 2963 lockdep_assert_held(&local->chanctx_mtx);
66199506 2964
03078de4
MK		 2965 /*
2966 * using reservation isn't immediate as it may be deferred until later
2967 * with multi-vif. once reservation is complete it will re-schedule the
2968 * work with no reserved_chanctx so verify chandef to check if it
2969 * completed successfully
2970 */
66199506 2971
03078de4
MK		 2972 if (sdata->reserved_chanctx) {
2973 /*
2974 * with multi-vif csa driver may call ieee80211_csa_finish()
2975 * many times while waiting for other interfaces to use their
2976 * reservations
2977 */
2978 if (sdata->reserved_ready)
2979 return 0;
2980
408b18ab 2981 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2982 }
73da7d5b 2983
03078de4
MK		 2984 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2985 &sdata->csa_chandef))
2986 return -EINVAL;
2987
66199506
MK		 2988 sdata->vif.csa_active = false;
2989
2990 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2991 if (err)
cf8767dd 2992 return err;
faf046e7 2993
66199506 2994 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2995
a46992b4
LC		 2996 if (sdata->csa_block_tx) {
2997 ieee80211_wake_vif_queues(local, sdata,
2998 IEEE80211_QUEUE_STOP_REASON_CSA);
2999 sdata->csa_block_tx = false;
3000 }
cf8767dd 3001
f1d65583
LC		 3002 err = drv_post_channel_switch(sdata);
3003 if (err)
3004 return err;
3005
3006 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3007
cf8767dd
MK		 3008 return 0;
3009}
3010
3011static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3012{
3013 if (__ieee80211_csa_finalize(sdata)) {
3014 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3015 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3016 GFP_KERNEL);
3017 }
66e01cf9
LC		 3018}
3019
3020void ieee80211_csa_finalize_work(struct work_struct *work)
3021{
3022 struct ieee80211_sub_if_data *sdata =
3023 container_of(work, struct ieee80211_sub_if_data,
3024 csa_finalize_work);
59af6928 3025 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 3026
3027 sdata_lock(sdata);
59af6928 3028 mutex_lock(&local->mtx);
03078de4 3029 mutex_lock(&local->chanctx_mtx);
59af6928 3030
66e01cf9
LC		 3031 /* AP might have been stopped while waiting for the lock. */
3032 if (!sdata->vif.csa_active)
3033 goto unlock;
3034
3035 if (!ieee80211_sdata_running(sdata))
3036 goto unlock;
3037
3038 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3039
3040unlock:
03078de4 3041 mutex_unlock(&local->chanctx_mtx);
59af6928 3042 mutex_unlock(&local->mtx);
e487eaeb 3043 sdata_unlock(sdata);
73da7d5b
SW		 3044}
3045
37fa2bdd
MK		 3046static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3047 struct cfg80211_csa_settings *params,
3048 u32 *changed)
73da7d5b 3049{
af296bdb 3050 struct ieee80211_csa_settings csa = {};
37fa2bdd 3051 int err;
73da7d5b 3052
73da7d5b
SW		 3053 switch (sdata->vif.type) {
3054 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3055 sdata->u.ap.next_beacon =
3056 cfg80211_beacon_dup(&params->beacon_after);
3057 if (!sdata->u.ap.next_beacon)
3058 return -ENOMEM;
3059
66e01cf9
LC		 3060 /*
3061 * With a count of 0, we don't have to wait for any
3062 * TBTT before switching, so complete the CSA
3063 * immediately. In theory, with a count == 1 we
3064 * should delay the switch until just before the next
3065 * TBTT, but that would complicate things so we switch
3066 * immediately too. If we would delay the switch
3067 * until the next TBTT, we would have to set the probe
3068 * response here.
3069 *
3070 * TODO: A channel switch with count <= 1 without
3071 * sending a CSA action frame is kind of useless,
3072 * because the clients won't know we're changing
3073 * channels. The action frame must be implemented
3074 * either here or in the userspace.
3075 */
3076 if (params->count <= 1)
3077 break;
3078
0d06d9ba
AO		 3079 if ((params->n_counter_offsets_beacon >
3080 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3081 (params->n_counter_offsets_presp >
3082 IEEE80211_MAX_CSA_COUNTERS_NUM))
3083 return -EINVAL;
9a774c78 3084
af296bdb
MK		 3085 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3086 csa.counter_offsets_presp = params->counter_offsets_presp;
3087 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3088 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3089 csa.count = params->count;
9a774c78 3090
af296bdb 3091 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3092 if (err < 0) {
3093 kfree(sdata->u.ap.next_beacon);
3094 return err;
3095 }
37fa2bdd 3096 *changed |= err;
66e01cf9 3097
cd7760e6
SW		 3098 break;
3099 case NL80211_IFTYPE_ADHOC:
3100 if (!sdata->vif.bss_conf.ibss_joined)
3101 return -EINVAL;
3102
3103 if (params->chandef.width != sdata->u.ibss.chandef.width)
3104 return -EINVAL;
3105
3106 switch (params->chandef.width) {
3107 case NL80211_CHAN_WIDTH_40:
3108 if (cfg80211_get_chandef_type(&params->chandef) !=
3109 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3110 return -EINVAL;
3111 case NL80211_CHAN_WIDTH_5:
3112 case NL80211_CHAN_WIDTH_10:
3113 case NL80211_CHAN_WIDTH_20_NOHT:
3114 case NL80211_CHAN_WIDTH_20:
3115 break;
3116 default:
3117 return -EINVAL;
3118 }
3119
3120 /* changes into another band are not supported */
3121 if (sdata->u.ibss.chandef.chan->band !=
3122 params->chandef.chan->band)
3123 return -EINVAL;
3124
66e01cf9
LC		 3125 /* see comments in the NL80211_IFTYPE_AP block */
3126 if (params->count > 1) {
3127 err = ieee80211_ibss_csa_beacon(sdata, params);
3128 if (err < 0)
3129 return err;
37fa2bdd 3130 *changed |= err;
66e01cf9
LC		 3131 }
3132
3133 ieee80211_send_action_csa(sdata, params);
3134
73da7d5b 3135 break;
c6da674a 3136#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3137 case NL80211_IFTYPE_MESH_POINT: {
3138 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3139
c6da674a
CYY		 3140 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3141 return -EINVAL;
3142
3143 /* changes into another band are not supported */
3144 if (sdata->vif.bss_conf.chandef.chan->band !=
3145 params->chandef.chan->band)
3146 return -EINVAL;
3147
c782bf8c 3148 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3149 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3150 if (!ifmsh->pre_value)
3151 ifmsh->pre_value = 1;
3152 else
3153 ifmsh->pre_value++;
3154 }
0cb4d4dc 3155
66e01cf9
LC		 3156 /* see comments in the NL80211_IFTYPE_AP block */
3157 if (params->count > 1) {
3158 err = ieee80211_mesh_csa_beacon(sdata, params);
3159 if (err < 0) {
3160 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3161 return err;
3162 }
37fa2bdd 3163 *changed |= err;
3f718fd8 3164 }
66e01cf9
LC		 3165
3166 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3167 ieee80211_send_action_csa(sdata, params);
3168
c6da674a 3169 break;
37fa2bdd 3170 }
c6da674a 3171#endif
73da7d5b
SW		 3172 default:
3173 return -EOPNOTSUPP;
3174 }
3175
37fa2bdd
MK		 3176 return 0;
3177}
3178
f29f58a9
LC		 3179static int
3180__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3181 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3182{
3183 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3184 struct ieee80211_local *local = sdata->local;
6d027bcc 3185 struct ieee80211_channel_switch ch_switch;
2b32713d 3186 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3187 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3188 u32 changed = 0;
3189 int err;
37fa2bdd
MK		 3190
3191 sdata_assert_lock(sdata);
59af6928 3192 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3193
3194 if (!list_empty(&local->roc_list) || local->scanning)
3195 return -EBUSY;
3196
3197 if (sdata->wdev.cac_started)
3198 return -EBUSY;
3199
3200 if (cfg80211_chandef_identical(&params->chandef,
3201 &sdata->vif.bss_conf.chandef))
3202 return -EINVAL;
3203
03078de4
MK		 3204 /* don't allow another channel switch if one is already active. */
3205 if (sdata->vif.csa_active)
3206 return -EBUSY;
3207
2b32713d
MK		 3208 mutex_lock(&local->chanctx_mtx);
3209 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3210 lockdep_is_held(&local->chanctx_mtx));
3211 if (!conf) {
03078de4
MK		 3212 err = -EBUSY;
3213 goto out;
37fa2bdd
MK		 3214 }
3215
2b32713d 3216 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
37fa2bdd 3217
000baa5d
LC		 3218 ch_switch.timestamp = 0;
3219 ch_switch.device_timestamp = 0;
3220 ch_switch.block_tx = params->block_tx;
3221 ch_switch.chandef = params->chandef;
3222 ch_switch.count = params->count;
3223
6d027bcc
LC		 3224 err = drv_pre_channel_switch(sdata, &ch_switch);
3225 if (err)
3226 goto out;
3227
03078de4
MK		 3228 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3229 chanctx->mode,
3230 params->radar_required);
3231 if (err)
3232 goto out;
37fa2bdd 3233
03078de4
MK		 3234 /* if reservation is invalid then this will fail */
3235 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3236 if (err) {
3237 ieee80211_vif_unreserve_chanctx(sdata);
3238 goto out;
3239 }
37fa2bdd
MK		 3240
3241 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3242 if (err) {
3243 ieee80211_vif_unreserve_chanctx(sdata);
3244 goto out;
3245 }
37fa2bdd 3246
33787fc4 3247 sdata->csa_chandef = params->chandef;
59af6928 3248 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3249 sdata->vif.csa_active = true;
3250
59af6928 3251 if (sdata->csa_block_tx)
a46992b4
LC		 3252 ieee80211_stop_vif_queues(local, sdata,
3253 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3254
2f457293
LC		 3255 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3256 params->count);
3257
66e01cf9
LC		 3258 if (changed) {
3259 ieee80211_bss_info_change_notify(sdata, changed);
3260 drv_channel_switch_beacon(sdata, &params->chandef);
3261 } else {
3262 /* if the beacon didn't change, we can finalize immediately */
3263 ieee80211_csa_finalize(sdata);
3264 }
73da7d5b 3265
03078de4
MK		 3266out:
3267 mutex_unlock(&local->chanctx_mtx);
3268 return err;
73da7d5b
SW		 3269}
3270
59af6928
MK		 3271int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3272 struct cfg80211_csa_settings *params)
3273{
3274 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3275 struct ieee80211_local *local = sdata->local;
3276 int err;
3277
3278 mutex_lock(&local->mtx);
3279 err = __ieee80211_channel_switch(wiphy, dev, params);
3280 mutex_unlock(&local->mtx);
3281
3282 return err;
3283}
3284
a2fcfccb
JB		 3285u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3286{
3287 lockdep_assert_held(&local->mtx);
3288
3289 local->roc_cookie_counter++;
3290
3291 /* wow, you wrapped 64 bits ... more likely a bug */
3292 if (WARN_ON(local->roc_cookie_counter == 0))
3293 local->roc_cookie_counter++;
3294
3295 return local->roc_cookie_counter;
3296}
3297
5ee00dbd
JB		 3298int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3299 u64 *cookie, gfp_t gfp)
3b79af97
JB		 3300{
3301 unsigned long spin_flags;
3302 struct sk_buff *ack_skb;
3303 int id;
3304
3305 ack_skb = skb_copy(skb, gfp);
3306 if (!ack_skb)
5ee00dbd 3307 return -ENOMEM;
3b79af97
JB		 3308
3309 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3310 id = idr_alloc(&local->ack_status_frames, ack_skb,
3311 1, 0x10000, GFP_ATOMIC);
3312 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3313
3314 if (id < 0) {
3315 kfree_skb(ack_skb);
5ee00dbd 3316 return -ENOMEM;
3b79af97
JB		 3317 }
3318
3319 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3320
3321 *cookie = ieee80211_mgmt_tx_cookie(local);
3322 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3323
5ee00dbd 3324 return 0;
3b79af97
JB		 3325}
3326
7be5086d 3327static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3328 struct wireless_dev *wdev,
7be5086d
JB		 3329 u16 frame_type, bool reg)
3330{
3331 struct ieee80211_local *local = wiphy_priv(wiphy);
1b09b556 3332 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 3333
6abe0563 3334 switch (frame_type) {
6abe0563 3335 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
1b09b556 3336 if (reg) {
6abe0563 3337 local->probe_req_reg++;
1b09b556
AO		 3338 sdata->vif.probe_req_reg++;
3339 } else {
3340 if (local->probe_req_reg)
3341 local->probe_req_reg--;
3342
3343 if (sdata->vif.probe_req_reg)
3344 sdata->vif.probe_req_reg--;
3345 }
7be5086d 3346
35f5149e
FF		 3347 if (!local->open_count)
3348 break;
3349
1b09b556
AO		 3350 if (sdata->vif.probe_req_reg == 1)
3351 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3352 FIF_PROBE_REQ);
3353 else if (sdata->vif.probe_req_reg == 0)
3354 drv_config_iface_filter(local, sdata, 0,
3355 FIF_PROBE_REQ);
3356
3357 ieee80211_configure_filter(local);
6abe0563
WH		 3358 break;
3359 default:
3360 break;
3361 }
7be5086d
JB		 3362}
3363
15d96753
BR		 3364static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3365{
3366 struct ieee80211_local *local = wiphy_priv(wiphy);
3367
3368 if (local->started)
3369 return -EOPNOTSUPP;
3370
3371 return drv_set_antenna(local, tx_ant, rx_ant);
3372}
3373
3374static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3375{
3376 struct ieee80211_local *local = wiphy_priv(wiphy);
3377
3378 return drv_get_antenna(local, tx_ant, rx_ant);
3379}
3380
c68f4b89
JB		 3381static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3382 struct net_device *dev,
3383 struct cfg80211_gtk_rekey_data *data)
3384{
3385 struct ieee80211_local *local = wiphy_priv(wiphy);
3386 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3387
3388 if (!local->ops->set_rekey_data)
3389 return -EOPNOTSUPP;
3390
3391 drv_set_rekey_data(local, sdata, data);
3392
3393 return 0;
3394}
3395
06500736
JB		 3396static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3397 const u8 *peer, u64 *cookie)
3398{
3399 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3400 struct ieee80211_local *local = sdata->local;
3401 struct ieee80211_qos_hdr *nullfunc;
5ee00dbd 3402 struct sk_buff *skb;
06500736
JB		 3403 int size = sizeof(*nullfunc);
3404 __le16 fc;
3405 bool qos;
3406 struct ieee80211_tx_info *info;
3407 struct sta_info *sta;
55de908a 3408 struct ieee80211_chanctx_conf *chanctx_conf;
57fbcce3 3409 enum nl80211_band band;
3b79af97
JB		 3410 int ret;
3411
3412 /* the lock is needed to assign the cookie later */
3413 mutex_lock(&local->mtx);
06500736
JB		 3414
3415 rcu_read_lock();
55de908a
JB		 3416 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3417 if (WARN_ON(!chanctx_conf)) {
3b79af97
JB		 3418 ret = -EINVAL;
3419 goto unlock;
55de908a 3420 }
4bf88530 3421 band = chanctx_conf->def.chan->band;
03bb7f42 3422 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3423 if (sta) {
a74a8c84 3424 qos = sta->sta.wme;
b4487c2d 3425 } else {
3b79af97
JB		 3426 ret = -ENOLINK;
3427 goto unlock;
b4487c2d 3428 }
06500736
JB		 3429
3430 if (qos) {
3431 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3432 IEEE80211_STYPE_QOS_NULLFUNC |
3433 IEEE80211_FCTL_FROMDS);
3434 } else {
3435 size -= 2;
3436 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3437 IEEE80211_STYPE_NULLFUNC |
3438 IEEE80211_FCTL_FROMDS);
3439 }
3440
3441 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a 3442 if (!skb) {
3b79af97
JB		 3443 ret = -ENOMEM;
3444 goto unlock;
55de908a 3445 }
06500736
JB		 3446
3447 skb->dev = dev;
3448
3449 skb_reserve(skb, local->hw.extra_tx_headroom);
3450
4df864c1 3451 nullfunc = skb_put(skb, size);
06500736
JB		 3452 nullfunc->frame_control = fc;
3453 nullfunc->duration_id = 0;
3454 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3455 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3456 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3457 nullfunc->seq_ctrl = 0;
3458
3459 info = IEEE80211_SKB_CB(skb);
3460
3461 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3462 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3463 info->band = band;
06500736
JB		 3464
3465 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3466 skb->priority = 7;
3467 if (qos)
3468 nullfunc->qos_ctrl = cpu_to_le16(7);
3469
5ee00dbd
JB		 3470 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3471 if (ret) {
3b79af97 3472 kfree_skb(skb);
3b79af97
JB		 3473 goto unlock;
3474 }
3475
06500736 3476 local_bh_disable();
7c10770f 3477 ieee80211_xmit(sdata, sta, skb);
06500736 3478 local_bh_enable();
3b79af97
JB		 3479
3480 ret = 0;
3481unlock:
55de908a 3482 rcu_read_unlock();
3b79af97 3483 mutex_unlock(&local->mtx);
06500736 3484
3b79af97 3485 return ret;
06500736
JB		 3486}
3487
683b6d3b
JB		 3488static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3489 struct wireless_dev *wdev,
3490 struct cfg80211_chan_def *chandef)
5b7ccaf3 3491{
55de908a 3492 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3493 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3494 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3495 int ret = -ENODATA;
55de908a
JB		 3496
3497 rcu_read_lock();
feda3027
JB		 3498 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3499 if (chanctx_conf) {
c12bc488 3500 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3501 ret = 0;
3502 } else if (local->open_count > 0 &&
3503 local->open_count == local->monitors &&
3504 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3505 if (local->use_chanctx)
3506 *chandef = local->monitor_chandef;
3507 else
675a0b04 3508 *chandef = local->_oper_chandef;
683b6d3b 3509 ret = 0;
55de908a
JB		 3510 }
3511 rcu_read_unlock();
5b7ccaf3 3512
683b6d3b 3513 return ret;
5b7ccaf3
JB		 3514}
3515
6d52563f
JB		 3516#ifdef CONFIG_PM
3517static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3518{
3519 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3520}
3521#endif
3522
32db6b54
KP		 3523static int ieee80211_set_qos_map(struct wiphy *wiphy,
3524 struct net_device *dev,
3525 struct cfg80211_qos_map *qos_map)
3526{
3527 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3528 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3529
3530 if (qos_map) {
3531 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3532 if (!new_qos_map)
3533 return -ENOMEM;
3534 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3535 } else {
3536 /* A NULL qos_map was passed to disable QoS mapping */
3537 new_qos_map = NULL;
3538 }
3539
194ff52d 3540 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3541 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3542 if (old_qos_map)
3543 kfree_rcu(old_qos_map, rcu_head);
3544
3545 return 0;
3546}
3547
3b1700bd
JM		 3548static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3549 struct net_device *dev,
3550 struct cfg80211_chan_def *chandef)
3551{
3552 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3553 int ret;
3554 u32 changed = 0;
3555
3556 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3557 if (ret == 0)
3558 ieee80211_bss_info_change_notify(sdata, changed);
3559
3560 return ret;
3561}
3562
02219b3a
JB		 3563static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3564 u8 tsid, const u8 *peer, u8 up,
3565 u16 admitted_time)
3566{
3567 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3568 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3569 int ac = ieee802_1d_to_ac[up];
3570
3571 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3572 return -EOPNOTSUPP;
3573
3574 if (!(sdata->wmm_acm & BIT(up)))
3575 return -EINVAL;
3576
3577 if (ifmgd->tx_tspec[ac].admitted_time)
3578 return -EBUSY;
3579
3580 if (admitted_time) {
3581 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3582 ifmgd->tx_tspec[ac].tsid = tsid;
3583 ifmgd->tx_tspec[ac].up = up;
3584 }
3585
3586 return 0;
3587}
3588
3589static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3590 u8 tsid, const u8 *peer)
3591{
3592 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3593 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3594 struct ieee80211_local *local = wiphy_priv(wiphy);
3595 int ac;
3596
3597 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3598 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3599
3600 /* skip unused entries */
3601 if (!tx_tspec->admitted_time)
3602 continue;
3603
3604 if (tx_tspec->tsid != tsid)
3605 continue;
3606
3607 /* due to this new packets will be reassigned to non-ACM ACs */
3608 tx_tspec->up = -1;
3609
3610 /* Make sure that all packets have been sent to avoid to
3611 * restore the QoS params on packets that are still on the
3612 * queues.
3613 */
3614 synchronize_net();
3b24f4c6 3615 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3616
3617 /* restore the normal QoS parameters
3618 * (unconditionally to avoid races)
3619 */
3620 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3621 tx_tspec->downgraded = false;
3622 ieee80211_sta_handle_tspec_ac_params(sdata);
3623
3624 /* finally clear all the data */
3625 memset(tx_tspec, 0, sizeof(*tx_tspec));
3626
3627 return 0;
3628 }
3629
3630 return -ENOENT;
3631}
3632
167e33f4
AB		 3633void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3634 u8 inst_id,
3635 enum nl80211_nan_func_term_reason reason,
3636 gfp_t gfp)
3637{
3638 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3639 struct cfg80211_nan_func *func;
3640 u64 cookie;
3641
3642 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3643 return;
3644
3645 spin_lock_bh(&sdata->u.nan.func_lock);
3646
3647 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3648 if (WARN_ON(!func)) {
3649 spin_unlock_bh(&sdata->u.nan.func_lock);
3650 return;
3651 }
3652
3653 cookie = func->cookie;
3654 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3655
3656 spin_unlock_bh(&sdata->u.nan.func_lock);
3657
3658 cfg80211_free_nan_func(func);
3659
3660 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3661 reason, cookie, gfp);
3662}
3663EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3664
92bc43bc
AB		 3665void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3666 struct cfg80211_nan_match_params *match,
3667 gfp_t gfp)
3668{
3669 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3670 struct cfg80211_nan_func *func;
3671
3672 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3673 return;
3674
3675 spin_lock_bh(&sdata->u.nan.func_lock);
3676
3677 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3678 if (WARN_ON(!func)) {
3679 spin_unlock_bh(&sdata->u.nan.func_lock);
3680 return;
3681 }
3682 match->cookie = func->cookie;
3683
3684 spin_unlock_bh(&sdata->u.nan.func_lock);
3685
3686 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3687}
3688EXPORT_SYMBOL(ieee80211_nan_func_match);
3689
ebceec86
MB		 3690static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3691 struct net_device *dev,
3692 const bool enabled)
3693{
3694 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3695
3696 sdata->u.ap.multicast_to_unicast = enabled;
3697
3698 return 0;
3699}
3700
8a47cea7 3701const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3702 .add_virtual_intf = ieee80211_add_iface,
3703 .del_virtual_intf = ieee80211_del_iface,
42613db7 3704 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3705 .start_p2p_device = ieee80211_start_p2p_device,
3706 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3707 .add_key = ieee80211_add_key,
3708 .del_key = ieee80211_del_key,
62da92fb 3709 .get_key = ieee80211_get_key,
e8cbb4cb 3710 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3711 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3712 .start_ap = ieee80211_start_ap,
3713 .change_beacon = ieee80211_change_beacon,
3714 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3715 .add_station = ieee80211_add_station,
3716 .del_station = ieee80211_del_station,
3717 .change_station = ieee80211_change_station,
7bbdd2d9 3718 .get_station = ieee80211_get_station,
c5dd9c2b 3719 .dump_station = ieee80211_dump_station,
1289723e 3720 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3721#ifdef CONFIG_MAC80211_MESH
3722 .add_mpath = ieee80211_add_mpath,
3723 .del_mpath = ieee80211_del_mpath,
3724 .change_mpath = ieee80211_change_mpath,
3725 .get_mpath = ieee80211_get_mpath,
3726 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3727 .get_mpp = ieee80211_get_mpp,
3728 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3729 .update_mesh_config = ieee80211_update_mesh_config,
3730 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3731 .join_mesh = ieee80211_join_mesh,
3732 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3733#endif
239281f8
RL		 3734 .join_ocb = ieee80211_join_ocb,
3735 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3736 .change_bss = ieee80211_change_bss,
31888487 3737 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3738 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3739 .suspend = ieee80211_suspend,
3740 .resume = ieee80211_resume,
2a519311 3741 .scan = ieee80211_scan,
91f123f2 3742 .abort_scan = ieee80211_abort_scan,
79f460ca
LC		 3743 .sched_scan_start = ieee80211_sched_scan_start,
3744 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3745 .auth = ieee80211_auth,
3746 .assoc = ieee80211_assoc,
3747 .deauth = ieee80211_deauth,
3748 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3749 .join_ibss = ieee80211_join_ibss,
3750 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3751 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3752 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3753 .set_tx_power = ieee80211_set_tx_power,
3754 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3755 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3756 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3757 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3758 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3759 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3760 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3761 .remain_on_channel = ieee80211_remain_on_channel,
3762 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3763 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3764 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3765 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2c3c5f8c 3766 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
7be5086d 3767 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3768 .set_antenna = ieee80211_set_antenna,
3769 .get_antenna = ieee80211_get_antenna,
c68f4b89 3770 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3771 .tdls_oper = ieee80211_tdls_oper,
3772 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3773 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3774 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3775 .probe_client = ieee80211_probe_client,
b53be792 3776 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3777#ifdef CONFIG_PM
3778 .set_wakeup = ieee80211_set_wakeup,
3779#endif
5b7ccaf3 3780 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3781 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3782 .channel_switch = ieee80211_channel_switch,
32db6b54 3783 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3784 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3785 .add_tx_ts = ieee80211_add_tx_ts,
3786 .del_tx_ts = ieee80211_del_tx_ts,
708d50ed
AB		 3787 .start_nan = ieee80211_start_nan,
3788 .stop_nan = ieee80211_stop_nan,
5953ff6d 3789 .nan_change_conf = ieee80211_nan_change_conf,
167e33f4
AB		 3790 .add_nan_func = ieee80211_add_nan_func,
3791 .del_nan_func = ieee80211_del_nan_func,
ebceec86 3792 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
f0706e82 3793};
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