projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge tag 'iio-fixes-for-4.16a' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
b2eb0ee6 5 * Copyright 2013-2015 Intel Mobile Communications GmbH
e8e4f528 6 * Copyright (C) 2015-2017 Intel Deutschland GmbH
f0706e82
JB		 7 *
8 * This file is GPLv2 as found in COPYING.
9 */
10
e8cbb4cb 11#include <linux/ieee80211.h>
f0706e82
JB		 12#include <linux/nl80211.h>
13#include <linux/rtnetlink.h>
5a0e3ad6 14#include <linux/slab.h>
881d966b 15#include <net/net_namespace.h>
5dfdaf58 16#include <linux/rcupdate.h>
dfe018bf 17#include <linux/if_ether.h>
f0706e82
JB		 18#include <net/cfg80211.h>
19#include "ieee80211_i.h"
24487981 20#include "driver-ops.h"
2c8dccc7 21#include "rate.h"
c5dd9c2b 22#include "mesh.h"
02219b3a 23#include "wme.h"
c5dd9c2b 24
65f1d600
JB		 25static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
26 struct vif_params *params)
8c5e6889 27{
8c5e6889
JB		 28 bool mu_mimo_groups = false;
29 bool mu_mimo_follow = false;
30
8c5e6889
JB		 31 if (params->vht_mumimo_groups) {
32 u64 membership;
33
34 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
35
65f1d600 36 memcpy(sdata->vif.bss_conf.mu_group.membership,
8c5e6889 37 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
65f1d600 38 memcpy(sdata->vif.bss_conf.mu_group.position,
8c5e6889
JB		 39 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
40 WLAN_USER_POSITION_LEN);
65f1d600 41 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
8c5e6889
JB		 42 /* don't care about endianness - just check for 0 */
43 memcpy(&membership, params->vht_mumimo_groups,
44 WLAN_MEMBERSHIP_LEN);
45 mu_mimo_groups = membership != 0;
46 }
47
48 if (params->vht_mumimo_follow_addr) {
49 mu_mimo_follow =
50 is_valid_ether_addr(params->vht_mumimo_follow_addr);
65f1d600 51 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
8c5e6889
JB		 52 params->vht_mumimo_follow_addr);
53 }
54
65f1d600
JB		 55 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
56}
57
58static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
59 struct vif_params *params)
60{
61 struct ieee80211_local *local = sdata->local;
62 struct ieee80211_sub_if_data *monitor_sdata;
63
64 /* check flags first */
65 if (params->flags && ieee80211_sdata_running(sdata)) {
66 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
67
68 /*
69 * Prohibit MONITOR_FLAG_COOK_FRAMES and
70 * MONITOR_FLAG_ACTIVE to be changed while the
71 * interface is up.
72 * Else we would need to add a lot of cruft
73 * to update everything:
74 * cooked_mntrs, monitor and all fif_* counters
75 * reconfigure hardware
76 */
77 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
78 return -EBUSY;
79 }
80
81 /* also validate MU-MIMO change */
82 monitor_sdata = rtnl_dereference(local->monitor_sdata);
83
84 if (!monitor_sdata &&
85 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
86 return -EOPNOTSUPP;
87
88 /* apply all changes now - no failures allowed */
89
90 if (monitor_sdata)
91 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
92
93 if (params->flags) {
94 if (ieee80211_sdata_running(sdata)) {
95 ieee80211_adjust_monitor_flags(sdata, -1);
96 sdata->u.mntr.flags = params->flags;
97 ieee80211_adjust_monitor_flags(sdata, 1);
98
99 ieee80211_configure_filter(local);
100 } else {
101 /*
102 * Because the interface is down, ieee80211_do_stop
103 * and ieee80211_do_open take care of "everything"
104 * mentioned in the comment above.
105 */
106 sdata->u.mntr.flags = params->flags;
107 }
108 }
8c5e6889
JB		 109
110 return 0;
111}
112
552bff0c
JB		 113static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
114 const char *name,
6bab2e19 115 unsigned char name_assign_type,
84efbb84 116 enum nl80211_iftype type,
84efbb84 117 struct vif_params *params)
f0706e82
JB		 118{
119 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 120 struct wireless_dev *wdev;
8cc9a739
MW		 121 struct ieee80211_sub_if_data *sdata;
122 int err;
f0706e82 123
6bab2e19 124 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
f9e10ce4
JB		 125 if (err)
126 return ERR_PTR(err);
8cc9a739 127
8c5e6889
JB		 128 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
129
130 if (type == NL80211_IFTYPE_MONITOR) {
65f1d600 131 err = ieee80211_set_mon_options(sdata, params);
8c5e6889
JB		 132 if (err) {
133 ieee80211_if_remove(sdata);
134 return NULL;
135 }
f9e10ce4
JB		 136 }
137
84efbb84 138 return wdev;
f0706e82
JB		 139}
140
84efbb84 141static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 142{
84efbb84 143 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 144
75636525 145 return 0;
f0706e82
JB		 146}
147
e36d56b6
JB		 148static int ieee80211_change_iface(struct wiphy *wiphy,
149 struct net_device *dev,
818a986e 150 enum nl80211_iftype type,
2ec600d6 151 struct vif_params *params)
42613db7 152{
9607e6b6 153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 154 int ret;
42613db7 155
05c914fe 156 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 157 if (ret)
158 return ret;
42613db7 159
9bc383de 160 if (type == NL80211_IFTYPE_AP_VLAN &&
49ddf8e6 161 params && params->use_4addr == 0) {
a9b3cd7f 162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
49ddf8e6
JB		 163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION &&
165 params && params->use_4addr >= 0) {
9bc383de 166 sdata->u.mgd.use_4addr = params->use_4addr;
49ddf8e6 167 }
9bc383de 168
42bd20d9 169 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
65f1d600
JB		 170 ret = ieee80211_set_mon_options(sdata, params);
171 if (ret)
172 return ret;
85416a4f 173 }
f7917af9 174
42613db7
JB		 175 return 0;
176}
177
f142c6b9
JB		 178static int ieee80211_start_p2p_device(struct wiphy *wiphy,
179 struct wireless_dev *wdev)
180{
b6a55015
LC		 181 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
182 int ret;
183
184 mutex_lock(&sdata->local->chanctx_mtx);
185 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
186 mutex_unlock(&sdata->local->chanctx_mtx);
187 if (ret < 0)
188 return ret;
189
f142c6b9
JB		 190 return ieee80211_do_open(wdev, true);
191}
192
193static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
194 struct wireless_dev *wdev)
195{
196 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
197}
198
708d50ed
AB		 199static int ieee80211_start_nan(struct wiphy *wiphy,
200 struct wireless_dev *wdev,
201 struct cfg80211_nan_conf *conf)
202{
203 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
204 int ret;
205
206 mutex_lock(&sdata->local->chanctx_mtx);
207 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
208 mutex_unlock(&sdata->local->chanctx_mtx);
209 if (ret < 0)
210 return ret;
211
212 ret = ieee80211_do_open(wdev, true);
213 if (ret)
214 return ret;
215
216 ret = drv_start_nan(sdata->local, sdata, conf);
217 if (ret)
218 ieee80211_sdata_stop(sdata);
219
167e33f4
AB		 220 sdata->u.nan.conf = *conf;
221
708d50ed
AB		 222 return ret;
223}
224
225static void ieee80211_stop_nan(struct wiphy *wiphy,
226 struct wireless_dev *wdev)
227{
228 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
229
230 drv_stop_nan(sdata->local, sdata);
231 ieee80211_sdata_stop(sdata);
232}
233
5953ff6d
AB		 234static int ieee80211_nan_change_conf(struct wiphy *wiphy,
235 struct wireless_dev *wdev,
236 struct cfg80211_nan_conf *conf,
237 u32 changes)
238{
239 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
240 struct cfg80211_nan_conf new_conf;
241 int ret = 0;
242
243 if (sdata->vif.type != NL80211_IFTYPE_NAN)
244 return -EOPNOTSUPP;
245
246 if (!ieee80211_sdata_running(sdata))
247 return -ENETDOWN;
248
249 new_conf = sdata->u.nan.conf;
250
251 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
252 new_conf.master_pref = conf->master_pref;
253
8585989d
LC		 254 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
255 new_conf.bands = conf->bands;
5953ff6d
AB		 256
257 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
258 if (!ret)
259 sdata->u.nan.conf = new_conf;
260
261 return ret;
262}
263
167e33f4
AB		 264static int ieee80211_add_nan_func(struct wiphy *wiphy,
265 struct wireless_dev *wdev,
266 struct cfg80211_nan_func *nan_func)
267{
268 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
269 int ret;
270
271 if (sdata->vif.type != NL80211_IFTYPE_NAN)
272 return -EOPNOTSUPP;
273
274 if (!ieee80211_sdata_running(sdata))
275 return -ENETDOWN;
276
277 spin_lock_bh(&sdata->u.nan.func_lock);
278
279 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
280 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
281 GFP_ATOMIC);
282 spin_unlock_bh(&sdata->u.nan.func_lock);
283
284 if (ret < 0)
285 return ret;
286
287 nan_func->instance_id = ret;
288
289 WARN_ON(nan_func->instance_id == 0);
290
291 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
292 if (ret) {
293 spin_lock_bh(&sdata->u.nan.func_lock);
294 idr_remove(&sdata->u.nan.function_inst_ids,
295 nan_func->instance_id);
296 spin_unlock_bh(&sdata->u.nan.func_lock);
297 }
298
299 return ret;
300}
301
302static struct cfg80211_nan_func *
303ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
304 u64 cookie)
305{
306 struct cfg80211_nan_func *func;
307 int id;
308
309 lockdep_assert_held(&sdata->u.nan.func_lock);
310
311 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
312 if (func->cookie == cookie)
313 return func;
314 }
315
316 return NULL;
317}
318
319static void ieee80211_del_nan_func(struct wiphy *wiphy,
320 struct wireless_dev *wdev, u64 cookie)
321{
322 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
323 struct cfg80211_nan_func *func;
324 u8 instance_id = 0;
325
326 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
327 !ieee80211_sdata_running(sdata))
328 return;
329
330 spin_lock_bh(&sdata->u.nan.func_lock);
331
332 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
333 if (func)
334 instance_id = func->instance_id;
335
336 spin_unlock_bh(&sdata->u.nan.func_lock);
337
338 if (instance_id)
339 drv_del_nan_func(sdata->local, sdata, instance_id);
340}
341
b53be792
SW		 342static int ieee80211_set_noack_map(struct wiphy *wiphy,
343 struct net_device *dev,
344 u16 noack_map)
345{
346 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
347
348 sdata->noack_map = noack_map;
17c18bf8
JB		 349
350 ieee80211_check_fast_xmit_iface(sdata);
351
b53be792
SW		 352 return 0;
353}
354
e8cbb4cb 355static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 356 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 357 struct key_params *params)
358{
26a58456 359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 360 struct ieee80211_local *local = sdata->local;
e8cbb4cb 361 struct sta_info *sta = NULL;
2475b1cc 362 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 363 struct ieee80211_key *key;
3b96766f 364 int err;
e8cbb4cb 365
26a58456 366 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 367 return -ENETDOWN;
368
97359d12 369 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 370 switch (params->cipher) {
371 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 372 case WLAN_CIPHER_SUITE_TKIP:
97359d12 373 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 374 if (IS_ERR(local->wep_tx_tfm))
97359d12 375 return -EINVAL;
3cfcf6ac 376 break;
2475b1cc 377 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 378 case WLAN_CIPHER_SUITE_CCMP_256:
2475b1cc 379 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 380 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
8ade538b
JM		 381 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
382 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2475b1cc 383 case WLAN_CIPHER_SUITE_GCMP:
00b9cfa3 384 case WLAN_CIPHER_SUITE_GCMP_256:
2475b1cc 385 break;
e8cbb4cb 386 default:
2475b1cc 387 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 388 break;
e8cbb4cb
JB		 389 }
390
97359d12 391 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 392 params->key, params->seq_len, params->seq,
393 cs);
1ac62ba7
BH		 394 if (IS_ERR(key))
395 return PTR_ERR(key);
db4d1169 396
e31b8213
JB		 397 if (pairwise)
398 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
399
2475b1cc 400 mutex_lock(&local->sta_mtx);
3b96766f 401
e8cbb4cb 402 if (mac_addr) {
850092db 403 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 404 /*
405 * The ASSOC test makes sure the driver is ready to
406 * receive the key. When wpa_supplicant has roamed
407 * using FT, it attempts to set the key before
408 * association has completed, this rejects that attempt
d070f913 409 * so it will set the key again after association.
1626e0fa
JB		 410 *
411 * TODO: accept the key if we have a station entry and
412 * add it to the device after the station.
413 */
414 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 415 ieee80211_key_free_unused(key);
3b96766f
JB		 416 err = -ENOENT;
417 goto out_unlock;
db4d1169 418 }
e8cbb4cb
JB		 419 }
420
e548c49e
JB		 421 switch (sdata->vif.type) {
422 case NL80211_IFTYPE_STATION:
423 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
424 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
425 break;
426 case NL80211_IFTYPE_AP:
427 case NL80211_IFTYPE_AP_VLAN:
428 /* Keys without a station are used for TX only */
429 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
430 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
431 break;
432 case NL80211_IFTYPE_ADHOC:
433 /* no MFP (yet) */
434 break;
435 case NL80211_IFTYPE_MESH_POINT:
436#ifdef CONFIG_MAC80211_MESH
437 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
438 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
439 break;
440#endif
441 case NL80211_IFTYPE_WDS:
442 case NL80211_IFTYPE_MONITOR:
443 case NL80211_IFTYPE_P2P_DEVICE:
cb3b7d87 444 case NL80211_IFTYPE_NAN:
e548c49e
JB		 445 case NL80211_IFTYPE_UNSPECIFIED:
446 case NUM_NL80211_IFTYPES:
447 case NL80211_IFTYPE_P2P_CLIENT:
448 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 449 case NL80211_IFTYPE_OCB:
e548c49e
JB		 450 /* shouldn't happen */
451 WARN_ON_ONCE(1);
452 break;
453 }
454
2475b1cc
MS		 455 if (sta)
456 sta->cipher_scheme = cs;
457
3ffc2a90 458 err = ieee80211_key_link(key, sdata, sta);
db4d1169 459
3b96766f 460 out_unlock:
2475b1cc 461 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 462
463 return err;
e8cbb4cb
JB		 464}
465
466static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 467 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 468{
5c0c3641
JB		 469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
470 struct ieee80211_local *local = sdata->local;
e8cbb4cb 471 struct sta_info *sta;
5c0c3641 472 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 473 int ret;
474
5c0c3641
JB		 475 mutex_lock(&local->sta_mtx);
476 mutex_lock(&local->key_mtx);
3b96766f 477
e8cbb4cb 478 if (mac_addr) {
3b96766f
JB		 479 ret = -ENOENT;
480
0e5ded5a 481 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 482 if (!sta)
3b96766f 483 goto out_unlock;
e8cbb4cb 484
5c0c3641 485 if (pairwise)
2475b1cc 486 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 487 else
40b275b6 488 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 489 } else
40b275b6 490 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 491
5c0c3641 492 if (!key) {
3b96766f
JB		 493 ret = -ENOENT;
494 goto out_unlock;
495 }
e8cbb4cb 496
3b8d9c29 497 ieee80211_key_free(key, true);
e8cbb4cb 498
3b96766f
JB		 499 ret = 0;
500 out_unlock:
5c0c3641
JB		 501 mutex_unlock(&local->key_mtx);
502 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 503
504 return ret;
e8cbb4cb
JB		 505}
506
62da92fb 507static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 508 u8 key_idx, bool pairwise, const u8 *mac_addr,
509 void *cookie,
62da92fb
JB		 510 void (*callback)(void *cookie,
511 struct key_params *params))
512{
14db74bc 513 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 514 struct sta_info *sta = NULL;
515 u8 seq[6] = {0};
516 struct key_params params;
e31b8213 517 struct ieee80211_key *key = NULL;
aba83a0b 518 u64 pn64;
62da92fb
JB		 519 u32 iv32;
520 u16 iv16;
521 int err = -ENOENT;
9352c19f 522 struct ieee80211_key_seq kseq = {};
62da92fb 523
14db74bc
JB		 524 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
525
3b96766f
JB		 526 rcu_read_lock();
527
62da92fb 528 if (mac_addr) {
0e5ded5a 529 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 530 if (!sta)
531 goto out;
532
354e159d 533 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 534 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 535 else if (!pairwise &&
536 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 537 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 538 } else
a3836e02 539 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 540
541 if (!key)
542 goto out;
543
544 memset(&params, 0, sizeof(params));
545
97359d12 546 params.cipher = key->conf.cipher;
62da92fb 547
97359d12
JB		 548 switch (key->conf.cipher) {
549 case WLAN_CIPHER_SUITE_TKIP:
f8079d43
EP		 550 pn64 = atomic64_read(&key->conf.tx_pn);
551 iv32 = TKIP_PN_TO_IV32(pn64);
552 iv16 = TKIP_PN_TO_IV16(pn64);
62da92fb 553
9352c19f
JB		 554 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
555 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
556 drv_get_key_seq(sdata->local, key, &kseq);
557 iv32 = kseq.tkip.iv32;
558 iv16 = kseq.tkip.iv16;
559 }
62da92fb
JB		 560
561 seq[0] = iv16 & 0xff;
562 seq[1] = (iv16 >> 8) & 0xff;
563 seq[2] = iv32 & 0xff;
564 seq[3] = (iv32 >> 8) & 0xff;
565 seq[4] = (iv32 >> 16) & 0xff;
566 seq[5] = (iv32 >> 24) & 0xff;
567 params.seq = seq;
568 params.seq_len = 6;
569 break;
97359d12 570 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 571 case WLAN_CIPHER_SUITE_CCMP_256:
97359d12 572 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 573 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
db388a56
JB		 574 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
575 offsetof(typeof(kseq), aes_cmac));
02049ce2 576 /* fall through */
8ade538b
JM		 577 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
578 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
db388a56
JB		 579 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
580 offsetof(typeof(kseq), aes_gmac));
02049ce2 581 /* fall through */
00b9cfa3
JM		 582 case WLAN_CIPHER_SUITE_GCMP:
583 case WLAN_CIPHER_SUITE_GCMP_256:
db388a56
JB		 584 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
585 offsetof(typeof(kseq), gcmp));
586
9352c19f
JB		 587 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
588 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
589 drv_get_key_seq(sdata->local, key, &kseq);
db388a56 590 memcpy(seq, kseq.ccmp.pn, 6);
9352c19f 591 } else {
db388a56 592 pn64 = atomic64_read(&key->conf.tx_pn);
9352c19f
JB		 593 seq[0] = pn64;
594 seq[1] = pn64 >> 8;
595 seq[2] = pn64 >> 16;
596 seq[3] = pn64 >> 24;
597 seq[4] = pn64 >> 32;
598 seq[5] = pn64 >> 40;
599 }
00b9cfa3
JM		 600 params.seq = seq;
601 params.seq_len = 6;
602 break;
a31cf1c6
JB		 603 default:
604 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
605 break;
606 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
607 break;
608 drv_get_key_seq(sdata->local, key, &kseq);
609 params.seq = kseq.hw.seq;
610 params.seq_len = kseq.hw.seq_len;
611 break;
62da92fb
JB		 612 }
613
614 params.key = key->conf.key;
615 params.key_len = key->conf.keylen;
616
617 callback(cookie, &params);
618 err = 0;
619
620 out:
3b96766f 621 rcu_read_unlock();
62da92fb
JB		 622 return err;
623}
624
e8cbb4cb
JB		 625static int ieee80211_config_default_key(struct wiphy *wiphy,
626 struct net_device *dev,
dbd2fd65
JB		 627 u8 key_idx, bool uni,
628 bool multi)
e8cbb4cb 629{
ad0e2b5a 630 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 631
f7e0104c 632 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 633
634 return 0;
635}
636
3cfcf6ac
JM		 637static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
638 struct net_device *dev,
639 u8 key_idx)
640{
66c52421 641 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 642
3cfcf6ac
JM		 643 ieee80211_set_default_mgmt_key(sdata, key_idx);
644
3cfcf6ac
JM		 645 return 0;
646}
647
6b62bf32
TP		 648void sta_set_rate_info_tx(struct sta_info *sta,
649 const struct ieee80211_tx_rate *rate,
650 struct rate_info *rinfo)
651{
652 rinfo->flags = 0;
8bc83c24 653 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 654 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 655 rinfo->mcs = rate->idx;
656 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
657 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
658 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
659 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
660 } else {
661 struct ieee80211_supported_band *sband;
2103dec1
SW		 662 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
663 u16 brate;
664
21a8e9dd
MSS		 665 sband = ieee80211_get_sband(sta->sdata);
666 if (sband) {
667 brate = sband->bitrates[rate->idx].bitrate;
668 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
669 }
8bc83c24 670 }
6b62bf32 671 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 672 rinfo->bw = RATE_INFO_BW_40;
673 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
674 rinfo->bw = RATE_INFO_BW_80;
675 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
676 rinfo->bw = RATE_INFO_BW_160;
677 else
678 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 679 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
680 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 681}
682
c5dd9c2b 683static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 684 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 685{
3b53fde8 686 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 687 struct ieee80211_local *local = sdata->local;
c5dd9c2b 688 struct sta_info *sta;
d0709a65
JB		 689 int ret = -ENOENT;
690
66572cfc 691 mutex_lock(&local->sta_mtx);
c5dd9c2b 692
3b53fde8 693 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 694 if (sta) {
695 ret = 0;
17741cdc 696 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 697 sta_set_sinfo(sta, sinfo);
698 }
c5dd9c2b 699
66572cfc 700 mutex_unlock(&local->sta_mtx);
c5dd9c2b 701
d0709a65 702 return ret;
c5dd9c2b
LCC		 703}
704
1289723e
HS		 705static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
706 int idx, struct survey_info *survey)
707{
708 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
709
1289723e
HS		 710 return drv_get_survey(local, idx, survey);
711}
712
7bbdd2d9 713static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 714 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 715{
abe60632 716 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 717 struct ieee80211_local *local = sdata->local;
7bbdd2d9 718 struct sta_info *sta;
d0709a65 719 int ret = -ENOENT;
7bbdd2d9 720
66572cfc 721 mutex_lock(&local->sta_mtx);
7bbdd2d9 722
0e5ded5a 723 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 724 if (sta) {
725 ret = 0;
726 sta_set_sinfo(sta, sinfo);
727 }
728
66572cfc 729 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 730
731 return ret;
7bbdd2d9
JB		 732}
733
55de908a 734static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 735 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 736{
737 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 738 struct ieee80211_sub_if_data *sdata;
739 int ret = 0;
3d9e6e12 740
4bf88530 741 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 742 return 0;
3d9e6e12 743
34a3740d 744 mutex_lock(&local->mtx);
55de908a 745 if (local->use_chanctx) {
4a199068 746 sdata = rtnl_dereference(local->monitor_sdata);
55de908a
JB		 747 if (sdata) {
748 ieee80211_vif_release_channel(sdata);
4bf88530 749 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 750 IEEE80211_CHANCTX_EXCLUSIVE);
751 }
752 } else if (local->open_count == local->monitors) {
675a0b04 753 local->_oper_chandef = *chandef;
55de908a
JB		 754 ieee80211_hw_config(local, 0);
755 }
3d9e6e12 756
4bf88530
JB		 757 if (ret == 0)
758 local->monitor_chandef = *chandef;
34a3740d 759 mutex_unlock(&local->mtx);
3d9e6e12 760
55de908a 761 return ret;
e8c9bd5b
JB		 762}
763
02945821 764static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 765 const u8 *resp, size_t resp_len,
766 const struct ieee80211_csa_settings *csa)
02945821 767{
aa7a0080 768 struct probe_resp *new, *old;
02945821
AN		 769
770 if (!resp || !resp_len)
aba4e6ff 771 return 1;
02945821 772
7ca133bc 773 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 774
aa7a0080 775 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 776 if (!new)
777 return -ENOMEM;
778
aa7a0080
ES		 779 new->len = resp_len;
780 memcpy(new->data, resp, resp_len);
02945821 781
af296bdb
MK		 782 if (csa)
783 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
784 csa->n_counter_offsets_presp *
785 sizeof(new->csa_counter_offsets[0]));
786
02945821 787 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 788 if (old)
789 kfree_rcu(old, rcu_head);
02945821
AN		 790
791 return 0;
792}
793
0ae07968 794static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 795 struct cfg80211_beacon_data *params,
796 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 797{
798 struct beacon_data *new, *old;
799 int new_head_len, new_tail_len;
8860020e
JB		 800 int size, err;
801 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 802
7ca133bc
SW		 803 old = sdata_dereference(sdata->u.ap.beacon, sdata);
804
5dfdaf58 805
5dfdaf58
JB		 806 /* Need to have a beacon head if we don't have one yet */
807 if (!params->head && !old)
8860020e 808 return -EINVAL;
5dfdaf58
JB		 809
810 /* new or old head? */
811 if (params->head)
812 new_head_len = params->head_len;
813 else
814 new_head_len = old->head_len;
815
816 /* new or old tail? */
817 if (params->tail || !old)
818 /* params->tail_len will be zero for !params->tail */
819 new_tail_len = params->tail_len;
820 else
821 new_tail_len = old->tail_len;
822
823 size = sizeof(*new) + new_head_len + new_tail_len;
824
825 new = kzalloc(size, GFP_KERNEL);
826 if (!new)
827 return -ENOMEM;
828
829 /* start filling the new info now */
830
5dfdaf58
JB		 831 /*
832 * pointers go into the block we allocated,
833 * memory is | beacon_data | head | tail |
834 */
835 new->head = ((u8 *) new) + sizeof(*new);
836 new->tail = new->head + new_head_len;
837 new->head_len = new_head_len;
838 new->tail_len = new_tail_len;
839
af296bdb
MK		 840 if (csa) {
841 new->csa_current_counter = csa->count;
842 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
843 csa->n_counter_offsets_beacon *
844 sizeof(new->csa_counter_offsets[0]));
845 }
846
5dfdaf58
JB		 847 /* copy in head */
848 if (params->head)
849 memcpy(new->head, params->head, new_head_len);
850 else
851 memcpy(new->head, old->head, new_head_len);
852
853 /* copy in optional tail */
854 if (params->tail)
855 memcpy(new->tail, params->tail, new_tail_len);
856 else
857 if (old)
858 memcpy(new->tail, old->tail, new_tail_len);
859
02945821 860 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 861 params->probe_resp_len, csa);
8860020e
JB		 862 if (err < 0)
863 return err;
864 if (err == 0)
02945821
AN		 865 changed |= BSS_CHANGED_AP_PROBE_RESP;
866
8860020e
JB		 867 rcu_assign_pointer(sdata->u.ap.beacon, new);
868
869 if (old)
870 kfree_rcu(old, rcu_head);
7827493b 871
8860020e 872 return changed;
5dfdaf58
JB		 873}
874
8860020e
JB		 875static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
876 struct cfg80211_ap_settings *params)
5dfdaf58 877{
8860020e 878 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 879 struct ieee80211_local *local = sdata->local;
5dfdaf58 880 struct beacon_data *old;
665c93a9 881 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 882 u32 changed = BSS_CHANGED_BEACON_INT |
883 BSS_CHANGED_BEACON_ENABLED |
884 BSS_CHANGED_BEACON |
339afbf4 885 BSS_CHANGED_SSID |
4bcc56bb
JB		 886 BSS_CHANGED_P2P_PS |
887 BSS_CHANGED_TXPOWER;
8860020e 888 int err;
14db74bc 889
7ca133bc 890 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 891 if (old)
892 return -EALREADY;
893
f6993174
EP		 894 switch (params->smps_mode) {
895 case NL80211_SMPS_OFF:
896 sdata->smps_mode = IEEE80211_SMPS_OFF;
897 break;
898 case NL80211_SMPS_STATIC:
899 sdata->smps_mode = IEEE80211_SMPS_STATIC;
900 break;
901 case NL80211_SMPS_DYNAMIC:
902 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
903 break;
904 default:
905 return -EINVAL;
906 }
b3dd8279
EG		 907 sdata->u.ap.req_smps = sdata->smps_mode;
908
04ecd257
JB		 909 sdata->needed_rx_chains = sdata->local->rx_chains;
910
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);
aa430da4
JB		 919 if (err)
920 return err;
921
665c93a9
JB		 922 /*
923 * Apply control port protocol, this allows us to
924 * not encrypt dynamic WEP control frames.
925 */
926 sdata->control_port_protocol = params->crypto.control_port_ethertype;
927 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 928 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
929 &params->crypto,
930 sdata->vif.type);
931
665c93a9
JB		 932 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
933 vlan->control_port_protocol =
934 params->crypto.control_port_ethertype;
935 vlan->control_port_no_encrypt =
936 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 937 vlan->encrypt_headroom =
938 ieee80211_cs_headroom(sdata->local,
939 &params->crypto,
940 vlan->vif.type);
665c93a9
JB		 941 }
942
8860020e 943 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 944 sdata->vif.bss_conf.enable_beacon = true;
52cfa1d6 945 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
8860020e
JB		 946
947 sdata->vif.bss_conf.ssid_len = params->ssid_len;
948 if (params->ssid_len)
949 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
950 params->ssid_len);
951 sdata->vif.bss_conf.hidden_ssid =
952 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
953
67baf663
JD		 954 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
955 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
956 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
957 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
958 if (params->p2p_opp_ps)
959 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
960 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 961
af296bdb 962 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 963 if (err < 0) {
964 ieee80211_vif_release_channel(sdata);
8860020e 965 return err;
0297ea17 966 }
8860020e
JB		 967 changed |= err;
968
1041638f
JB		 969 err = drv_start_ap(sdata->local, sdata);
970 if (err) {
7ca133bc
SW		 971 old = sdata_dereference(sdata->u.ap.beacon, sdata);
972
1041638f
JB		 973 if (old)
974 kfree_rcu(old, rcu_head);
975 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 976 ieee80211_vif_release_channel(sdata);
1041638f
JB		 977 return err;
978 }
979
057d5f4b 980 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 981 ieee80211_bss_info_change_notify(sdata, changed);
982
3edaf3e6
JB		 983 netif_carrier_on(dev);
984 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
985 netif_carrier_on(vlan->dev);
986
665c93a9 987 return 0;
5dfdaf58
JB		 988}
989
8860020e
JB		 990static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
991 struct cfg80211_beacon_data *params)
5dfdaf58 992{
14db74bc 993 struct ieee80211_sub_if_data *sdata;
5dfdaf58 994 struct beacon_data *old;
8860020e 995 int err;
5dfdaf58 996
14db74bc 997 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 998 sdata_assert_lock(sdata);
14db74bc 999
73da7d5b
SW		 1000 /* don't allow changing the beacon while CSA is in place - offset
1001 * of channel switch counter may change
1002 */
1003 if (sdata->vif.csa_active)
1004 return -EBUSY;
1005
7ca133bc 1006 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1007 if (!old)
1008 return -ENOENT;
1009
af296bdb 1010 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 1011 if (err < 0)
1012 return err;
1013 ieee80211_bss_info_change_notify(sdata, err);
1014 return 0;
5dfdaf58
JB		 1015}
1016
8860020e 1017static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1018{
7b20b8e8
JB		 1019 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1020 struct ieee80211_sub_if_data *vlan;
1021 struct ieee80211_local *local = sdata->local;
1022 struct beacon_data *old_beacon;
1023 struct probe_resp *old_probe_resp;
d2859df5 1024 struct cfg80211_chan_def chandef;
14db74bc 1025
dbd72850
MK		 1026 sdata_assert_lock(sdata);
1027
7ca133bc 1028 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1029 if (!old_beacon)
5dfdaf58 1030 return -ENOENT;
7ca133bc 1031 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1032
73da7d5b 1033 /* abort any running channel switch */
59af6928 1034 mutex_lock(&local->mtx);
73da7d5b 1035 sdata->vif.csa_active = false;
a46992b4
LC		 1036 if (sdata->csa_block_tx) {
1037 ieee80211_wake_vif_queues(local, sdata,
1038 IEEE80211_QUEUE_STOP_REASON_CSA);
1039 sdata->csa_block_tx = false;
1040 }
1041
59af6928
MK		 1042 mutex_unlock(&local->mtx);
1043
1f3b8a2b
SW		 1044 kfree(sdata->u.ap.next_beacon);
1045 sdata->u.ap.next_beacon = NULL;
1046
7b20b8e8 1047 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1048 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1049 netif_carrier_off(vlan->dev);
1050 netif_carrier_off(dev);
1051
7b20b8e8 1052 /* remove beacon and probe response */
a9b3cd7f 1053 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1054 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1055 kfree_rcu(old_beacon, rcu_head);
1056 if (old_probe_resp)
1057 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 1058 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 1059
e716251d 1060 __sta_info_flush(sdata, true);
7907c7d3 1061 ieee80211_free_keys(sdata, true);
75de9113 1062
d6a83228 1063 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1064 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1065 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1066 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1067
a6b368f6 1068 if (sdata->wdev.cac_started) {
d2859df5 1069 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1070 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1071 cfg80211_cac_event(sdata->dev, &chandef,
1072 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1073 GFP_KERNEL);
1074 }
1075
1041638f
JB		 1076 drv_stop_ap(sdata->local, sdata);
1077
7b20b8e8
JB		 1078 /* free all potentially still buffered bcast frames */
1079 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
6b07d9ca 1080 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
7b20b8e8 1081
34a3740d 1082 mutex_lock(&local->mtx);
4e141dad 1083 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 1084 ieee80211_vif_release_channel(sdata);
34a3740d 1085 mutex_unlock(&local->mtx);
55de908a 1086
2d0ddec5 1087 return 0;
5dfdaf58
JB		 1088}
1089
4fd6931e
JB		 1090/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1091struct iapp_layer2_update {
1092 u8 da[ETH_ALEN]; /* broadcast */
1093 u8 sa[ETH_ALEN]; /* STA addr */
1094 __be16 len; /* 6 */
1095 u8 dsap; /* 0 */
1096 u8 ssap; /* 0 */
1097 u8 control;
1098 u8 xid_info[3];
bc10502d 1099} __packed;
4fd6931e
JB		 1100
1101static void ieee80211_send_layer2_update(struct sta_info *sta)
1102{
1103 struct iapp_layer2_update *msg;
1104 struct sk_buff *skb;
1105
1106 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1107 * bridge devices */
1108
1109 skb = dev_alloc_skb(sizeof(*msg));
1110 if (!skb)
1111 return;
4df864c1 1112 msg = skb_put(skb, sizeof(*msg));
4fd6931e
JB		 1113
1114 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1115 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1116
e83e6541 1117 eth_broadcast_addr(msg->da);
17741cdc 1118 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1119 msg->len = htons(6);
1120 msg->dsap = 0;
1121 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1122 msg->control = 0xaf; /* XID response lsb.1111F101.
1123 * F=0 (no poll command; unsolicited frame) */
1124 msg->xid_info[0] = 0x81; /* XID format identifier */
1125 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1126 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1127
d0709a65
JB		 1128 skb->dev = sta->sdata->dev;
1129 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1130 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1131 netif_rx_ni(skb);
4fd6931e
JB		 1132}
1133
d582cffb
JB		 1134static int sta_apply_auth_flags(struct ieee80211_local *local,
1135 struct sta_info *sta,
1136 u32 mask, u32 set)
1137{
1138 int ret;
1139
1140 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1141 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1142 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1143 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1144 if (ret)
1145 return ret;
1146 }
1147
1148 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1149 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1150 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1151 /*
1152 * When peer becomes associated, init rate control as
1153 * well. Some drivers require rate control initialized
1154 * before drv_sta_state() is called.
1155 */
44674d9c 1156 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
c23e31cf
MP		 1157 rate_control_rate_init(sta);
1158
d582cffb
JB		 1159 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1160 if (ret)
1161 return ret;
1162 }
1163
1164 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1165 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1166 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1167 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1168 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1169 else
1170 ret = 0;
1171 if (ret)
1172 return ret;
1173 }
1174
1175 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1176 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1177 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1178 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1179 if (ret)
1180 return ret;
1181 }
1182
1183 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1184 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1185 test_sta_flag(sta, WLAN_STA_AUTH)) {
1186 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1187 if (ret)
1188 return ret;
1189 }
1190
1191 return 0;
1192}
1193
13657702
JB		 1194static void sta_apply_mesh_params(struct ieee80211_local *local,
1195 struct sta_info *sta,
1196 struct station_parameters *params)
1197{
1198#ifdef CONFIG_MAC80211_MESH
1199 struct ieee80211_sub_if_data *sdata = sta->sdata;
1200 u32 changed = 0;
1201
1202 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1203 switch (params->plink_state) {
1204 case NL80211_PLINK_ESTAB:
1205 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1206 changed = mesh_plink_inc_estab_count(sdata);
1207 sta->mesh->plink_state = params->plink_state;
7d27a0ba 1208 sta->mesh->aid = params->peer_aid;
13657702
JB		 1209
1210 ieee80211_mps_sta_status_update(sta);
1211 changed |= ieee80211_mps_set_sta_local_pm(sta,
1212 sdata->u.mesh.mshcfg.power_mode);
1213 break;
1214 case NL80211_PLINK_LISTEN:
1215 case NL80211_PLINK_BLOCKED:
1216 case NL80211_PLINK_OPN_SNT:
1217 case NL80211_PLINK_OPN_RCVD:
1218 case NL80211_PLINK_CNF_RCVD:
1219 case NL80211_PLINK_HOLDING:
1220 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1221 changed = mesh_plink_dec_estab_count(sdata);
1222 sta->mesh->plink_state = params->plink_state;
1223
1224 ieee80211_mps_sta_status_update(sta);
1225 changed |= ieee80211_mps_set_sta_local_pm(sta,
1226 NL80211_MESH_POWER_UNKNOWN);
1227 break;
1228 default:
1229 /* nothing */
1230 break;
1231 }
1232 }
1233
1234 switch (params->plink_action) {
1235 case NL80211_PLINK_ACTION_NO_ACTION:
1236 /* nothing */
1237 break;
1238 case NL80211_PLINK_ACTION_OPEN:
1239 changed |= mesh_plink_open(sta);
1240 break;
1241 case NL80211_PLINK_ACTION_BLOCK:
1242 changed |= mesh_plink_block(sta);
1243 break;
1244 }
1245
1246 if (params->local_pm)
1247 changed |= ieee80211_mps_set_sta_local_pm(sta,
1248 params->local_pm);
1249
1250 ieee80211_mbss_info_change_notify(sdata, changed);
1251#endif
1252}
1253
d9a7ddb0
JB		 1254static int sta_apply_parameters(struct ieee80211_local *local,
1255 struct sta_info *sta,
1256 struct station_parameters *params)
4fd6931e 1257{
d9a7ddb0 1258 int ret = 0;
8318d78a 1259 struct ieee80211_supported_band *sband;
d0709a65 1260 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 1261 u32 mask, set;
4fd6931e 1262
21a8e9dd
MSS		 1263 sband = ieee80211_get_sband(sdata);
1264 if (!sband)
1265 return -EINVAL;
ae5eb026 1266
eccb8e8f
JB		 1267 mask = params->sta_flags_mask;
1268 set = params->sta_flags_set;
73651ee6 1269
d582cffb
JB		 1270 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1271 /*
1272 * In mesh mode, ASSOCIATED isn't part of the nl80211
1273 * API but must follow AUTHENTICATED for driver state.
1274 */
1275 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1276 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1277 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1278 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1279 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1280 /*
1281 * TDLS -- everything follows authorized, but
1282 * only becoming authorized is possible, not
1283 * going back
1284 */
1285 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1286 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1287 BIT(NL80211_STA_FLAG_ASSOCIATED);
1288 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1289 BIT(NL80211_STA_FLAG_ASSOCIATED);
1290 }
eccb8e8f 1291 }
4fd6931e 1292
2c44be81
JB		 1293 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1294 local->hw.queues >= IEEE80211_NUM_ACS)
1295 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1296
44674d9c
AB		 1297 /* auth flags will be set later for TDLS,
1298 * and for unassociated stations that move to assocaited */
1299 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1300 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1301 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
68885a54
AN		 1302 ret = sta_apply_auth_flags(local, sta, mask, set);
1303 if (ret)
1304 return ret;
1305 }
d9a7ddb0 1306
eccb8e8f 1307 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1308 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1309 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1310 else
1311 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1312 }
4fd6931e 1313
eccb8e8f 1314 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
93f0490e 1315 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1316 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1317 set_sta_flag(sta, WLAN_STA_MFP);
1318 else
1319 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1320 }
b39c48fa 1321
07ba55d7 1322 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1323 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1324 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1325 else
1326 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1327 }
4fd6931e 1328
9041c1fa
AN		 1329 /* mark TDLS channel switch support, if the AP allows it */
1330 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1331 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1332 params->ext_capab_len >= 4 &&
1333 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1334 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1335
b98fb44f 1336 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
82c0cc90 1337 !sdata->u.mgd.tdls_wider_bw_prohibited &&
b98fb44f
AN		 1338 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1339 params->ext_capab_len >= 8 &&
1340 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1341 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1342
3b9ce80c
JB		 1343 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1344 sta->sta.uapsd_queues = params->uapsd_queues;
1345 sta->sta.max_sp = params->max_sp;
1346 }
9533b4ac 1347
506bcfa8
EG		 1348 /* The sender might not have sent the last bit, consider it to be 0 */
1349 if (params->ext_capab_len >= 8) {
1350 u8 val = (params->ext_capab[7] &
1351 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1352
1353 /* we did get all the bits, take the MSB as well */
1354 if (params->ext_capab_len >= 9) {
1355 u8 val_msb = params->ext_capab[8] &
1356 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1357 val_msb <<= 1;
1358 val |= val_msb;
1359 }
1360
1361 switch (val) {
1362 case 1:
1363 sta->sta.max_amsdu_subframes = 32;
1364 break;
1365 case 2:
1366 sta->sta.max_amsdu_subframes = 16;
1367 break;
1368 case 3:
1369 sta->sta.max_amsdu_subframes = 8;
1370 break;
1371 default:
1372 sta->sta.max_amsdu_subframes = 0;
1373 }
1374 }
1375
51b50fbe
JB		 1376 /*
1377 * cfg80211 validates this (1-2007) and allows setting the AID
1378 * only when creating a new station entry
1379 */
1380 if (params->aid)
1381 sta->sta.aid = params->aid;
1382
73651ee6 1383 /*
ba23d206
JB		 1384 * Some of the following updates would be racy if called on an
1385 * existing station, via ieee80211_change_station(). However,
1386 * all such changes are rejected by cfg80211 except for updates
1387 * changing the supported rates on an existing but not yet used
1388 * TDLS peer.
73651ee6
JB		 1389 */
1390
4fd6931e
JB		 1391 if (params->listen_interval >= 0)
1392 sta->listen_interval = params->listen_interval;
1393
1394 if (params->supported_rates) {
2103dec1
SW		 1395 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1396 sband, params->supported_rates,
1397 params->supported_rates_len,
21a8e9dd 1398 &sta->sta.supp_rates[sband->band]);
4fd6931e 1399 }
c5dd9c2b 1400
d9fe60de 1401 if (params->ht_capa)
ef96a842 1402 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1403 params->ht_capa, sta);
36aedc90 1404
506bcfa8 1405 /* VHT can override some HT caps such as the A-MSDU max length */
f461be3e
MP		 1406 if (params->vht_capa)
1407 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1408 params->vht_capa, sta);
f461be3e 1409
b1bce14a 1410 if (params->opmode_notif_used) {
b1bce14a
MK		 1411 /* returned value is only needed for rc update, but the
1412 * rc isn't initialized here yet, so ignore it
1413 */
21a8e9dd
MSS		 1414 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1415 sband->band);
b1bce14a
MK		 1416 }
1417
52cfa1d6
AB		 1418 if (params->support_p2p_ps >= 0)
1419 sta->sta.support_p2p_ps = params->support_p2p_ps;
1420
13657702
JB		 1421 if (ieee80211_vif_is_mesh(&sdata->vif))
1422 sta_apply_mesh_params(local, sta, params);
d9a7ddb0 1423
68885a54 1424 /* set the STA state after all sta info from usermode has been set */
44674d9c
AB		 1425 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1426 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
68885a54
AN		 1427 ret = sta_apply_auth_flags(local, sta, mask, set);
1428 if (ret)
1429 return ret;
1430 }
1431
d9a7ddb0 1432 return 0;
4fd6931e
JB		 1433}
1434
1435static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1436 const u8 *mac,
1437 struct station_parameters *params)
4fd6931e 1438{
14db74bc 1439 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1440 struct sta_info *sta;
1441 struct ieee80211_sub_if_data *sdata;
73651ee6 1442 int err;
b8d476c8 1443 int layer2_update;
4fd6931e 1444
4fd6931e
JB		 1445 if (params->vlan) {
1446 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1447
05c914fe
JB		 1448 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1449 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1450 return -EINVAL;
1451 } else
1452 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1453
b203ca39 1454 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1455 return -EINVAL;
1456
1457 if (is_multicast_ether_addr(mac))
1458 return -EINVAL;
1459
1460 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1461 if (!sta)
1462 return -ENOMEM;
4fd6931e 1463
44674d9c
AB		 1464 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1465 sta->sta.tdls = true;
4fd6931e 1466
d9a7ddb0
JB		 1467 err = sta_apply_parameters(local, sta, params);
1468 if (err) {
1469 sta_info_free(local, sta);
1470 return err;
1471 }
4fd6931e 1472
d64cf63e 1473 /*
44674d9c
AB		 1474 * for TDLS and for unassociated station, rate control should be
1475 * initialized only when rates are known and station is marked
1476 * authorized/associated
d64cf63e 1477 */
44674d9c
AB		 1478 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1479 test_sta_flag(sta, WLAN_STA_ASSOC))
d64cf63e 1480 rate_control_rate_init(sta);
4fd6931e 1481
b8d476c8
JM		 1482 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1483 sdata->vif.type == NL80211_IFTYPE_AP;
1484
34e89507 1485 err = sta_info_insert_rcu(sta);
73651ee6 1486 if (err) {
73651ee6
JB		 1487 rcu_read_unlock();
1488 return err;
1489 }
1490
b8d476c8 1491 if (layer2_update)
73651ee6
JB		 1492 ieee80211_send_layer2_update(sta);
1493
1494 rcu_read_unlock();
1495
4fd6931e
JB		 1496 return 0;
1497}
1498
1499static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1500 struct station_del_parameters *params)
4fd6931e 1501{
14db74bc 1502 struct ieee80211_sub_if_data *sdata;
4fd6931e 1503
14db74bc
JB		 1504 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1505
89c771e5
JM		 1506 if (params->mac)
1507 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1508
b998e8bb 1509 sta_info_flush(sdata);
4fd6931e
JB		 1510 return 0;
1511}
1512
1513static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1514 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1515 struct station_parameters *params)
1516{
abe60632 1517 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1518 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1519 struct sta_info *sta;
1520 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1521 enum cfg80211_station_type statype;
35b88623 1522 int err;
4fd6931e 1523
87be1e1e 1524 mutex_lock(&local->sta_mtx);
98dd6a57 1525
0e5ded5a 1526 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1527 if (!sta) {
77ee7c89
JB		 1528 err = -ENOENT;
1529 goto out_err;
98dd6a57 1530 }
4fd6931e 1531
77ee7c89
JB		 1532 switch (sdata->vif.type) {
1533 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1534 if (sdata->u.mesh.user_mpm)
eef941e6 1535 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1536 else
eef941e6 1537 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1538 break;
1539 case NL80211_IFTYPE_ADHOC:
1540 statype = CFG80211_STA_IBSS;
1541 break;
1542 case NL80211_IFTYPE_STATION:
1543 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1544 statype = CFG80211_STA_AP_STA;
1545 break;
1546 }
1547 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1548 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1549 else
1550 statype = CFG80211_STA_TDLS_PEER_SETUP;
1551 break;
1552 case NL80211_IFTYPE_AP:
1553 case NL80211_IFTYPE_AP_VLAN:
44674d9c
AB		 1554 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1555 statype = CFG80211_STA_AP_CLIENT;
1556 else
1557 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
77ee7c89
JB		 1558 break;
1559 default:
1560 err = -EOPNOTSUPP;
1561 goto out_err;
bdd90d5e
JB		 1562 }
1563
77ee7c89
JB		 1564 err = cfg80211_check_station_change(wiphy, params, statype);
1565 if (err)
1566 goto out_err;
1567
d0709a65 1568 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 1569 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1570
9bc383de 1571 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1572 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1573 err = -EBUSY;
1574 goto out_err;
3305443c 1575 }
f14543ee 1576
cf778b00 1577 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
49ddf8e6 1578 __ieee80211_check_fast_rx_iface(vlansdata);
7e3ed02c
FF		 1579 }
1580
1581 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
72f15d53 1582 sta->sdata->u.vlan.sta)
0c2bef46 1583 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
72f15d53
MB		 1584
1585 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1586 ieee80211_vif_dec_num_mcast(sta->sdata);
f14543ee 1587
14db74bc 1588 sta->sdata = vlansdata;
464daaf0 1589 ieee80211_check_fast_xmit(sta);
7e3ed02c 1590
72f15d53
MB		 1591 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1592 ieee80211_vif_inc_num_mcast(sta->sdata);
7e3ed02c 1593
4fd6931e
JB		 1594 ieee80211_send_layer2_update(sta);
1595 }
1596
35b88623 1597 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1598 if (err)
1599 goto out_err;
4fd6931e 1600
87be1e1e 1601 mutex_unlock(&local->sta_mtx);
98dd6a57 1602
687da132
EG		 1603 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1604 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1605 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1606 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1607 sta_info_tx_streams(sta) != 1) {
1608 ht_dbg(sta->sdata,
1609 "%pM just authorized and MIMO capable - update SMPS\n",
1610 sta->sta.addr);
1611 ieee80211_send_smps_action(sta->sdata,
1612 sta->sdata->bss->req_smps,
1613 sta->sta.addr,
1614 sta->sdata->vif.bss_conf.bssid);
1615 }
1616
808118cb 1617 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1618 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4a733ef1 1619 ieee80211_recalc_ps(local);
ab095877
EP		 1620 ieee80211_recalc_ps_vif(sdata);
1621 }
77ee7c89 1622
4fd6931e 1623 return 0;
77ee7c89
JB		 1624out_err:
1625 mutex_unlock(&local->sta_mtx);
1626 return err;
4fd6931e
JB		 1627}
1628
c5dd9c2b
LCC		 1629#ifdef CONFIG_MAC80211_MESH
1630static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1631 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1632{
14db74bc 1633 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1634 struct mesh_path *mpath;
1635 struct sta_info *sta;
c5dd9c2b 1636
14db74bc
JB		 1637 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1638
d0709a65 1639 rcu_read_lock();
abe60632 1640 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1641 if (!sta) {
1642 rcu_read_unlock();
c5dd9c2b 1643 return -ENOENT;
d0709a65 1644 }
c5dd9c2b 1645
ae76eef0
BC		 1646 mpath = mesh_path_add(sdata, dst);
1647 if (IS_ERR(mpath)) {
d0709a65 1648 rcu_read_unlock();
ae76eef0 1649 return PTR_ERR(mpath);
d0709a65 1650 }
c5dd9c2b 1651
c5dd9c2b 1652 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1653
c5dd9c2b
LCC		 1654 rcu_read_unlock();
1655 return 0;
1656}
1657
1658static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1659 const u8 *dst)
c5dd9c2b 1660{
f698d856
JBG		 1661 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1662
c5dd9c2b 1663 if (dst)
bf7cd94d 1664 return mesh_path_del(sdata, dst);
c5dd9c2b 1665
ece1a2e7 1666 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1667 return 0;
1668}
1669
3b3a0162
JB		 1670static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1671 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1672{
14db74bc 1673 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1674 struct mesh_path *mpath;
1675 struct sta_info *sta;
1676
14db74bc
JB		 1677 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1678
d0709a65
JB		 1679 rcu_read_lock();
1680
abe60632 1681 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1682 if (!sta) {
1683 rcu_read_unlock();
c5dd9c2b 1684 return -ENOENT;
d0709a65 1685 }
c5dd9c2b 1686
bf7cd94d 1687 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1688 if (!mpath) {
1689 rcu_read_unlock();
c5dd9c2b
LCC		 1690 return -ENOENT;
1691 }
1692
1693 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1694
c5dd9c2b
LCC		 1695 rcu_read_unlock();
1696 return 0;
1697}
1698
1699static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1700 struct mpath_info *pinfo)
1701{
a3836e02
JB		 1702 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1703
1704 if (next_hop_sta)
1705 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1706 else
c84a67a2 1707 eth_zero_addr(next_hop);
c5dd9c2b 1708
7ce8c7a3
LAYS		 1709 memset(pinfo, 0, sizeof(*pinfo));
1710
2bdaf386 1711 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
f5ea9120 1712
c5dd9c2b 1713 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1714 MPATH_INFO_SN |
c5dd9c2b
LCC		 1715 MPATH_INFO_METRIC |
1716 MPATH_INFO_EXPTIME |
1717 MPATH_INFO_DISCOVERY_TIMEOUT |
1718 MPATH_INFO_DISCOVERY_RETRIES |
1719 MPATH_INFO_FLAGS;
1720
1721 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1722 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1723 pinfo->metric = mpath->metric;
1724 if (time_before(jiffies, mpath->exp_time))
1725 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1726 pinfo->discovery_timeout =
1727 jiffies_to_msecs(mpath->discovery_timeout);
1728 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1729 if (mpath->flags & MESH_PATH_ACTIVE)
1730 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1731 if (mpath->flags & MESH_PATH_RESOLVING)
1732 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1733 if (mpath->flags & MESH_PATH_SN_VALID)
1734 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1735 if (mpath->flags & MESH_PATH_FIXED)
1736 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1737 if (mpath->flags & MESH_PATH_RESOLVED)
1738 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1739}
1740
1741static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1742 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1743
1744{
14db74bc 1745 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1746 struct mesh_path *mpath;
1747
14db74bc
JB		 1748 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1749
c5dd9c2b 1750 rcu_read_lock();
bf7cd94d 1751 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1752 if (!mpath) {
1753 rcu_read_unlock();
1754 return -ENOENT;
1755 }
1756 memcpy(dst, mpath->dst, ETH_ALEN);
1757 mpath_set_pinfo(mpath, next_hop, pinfo);
1758 rcu_read_unlock();
1759 return 0;
1760}
1761
1762static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1763 int idx, u8 *dst, u8 *next_hop,
1764 struct mpath_info *pinfo)
c5dd9c2b 1765{
14db74bc 1766 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1767 struct mesh_path *mpath;
1768
14db74bc
JB		 1769 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1770
c5dd9c2b 1771 rcu_read_lock();
bf7cd94d 1772 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1773 if (!mpath) {
1774 rcu_read_unlock();
1775 return -ENOENT;
1776 }
1777 memcpy(dst, mpath->dst, ETH_ALEN);
1778 mpath_set_pinfo(mpath, next_hop, pinfo);
1779 rcu_read_unlock();
1780 return 0;
1781}
93da9cc1 1782
a2db2ed3
HR		 1783static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1784 struct mpath_info *pinfo)
1785{
1786 memset(pinfo, 0, sizeof(*pinfo));
1787 memcpy(mpp, mpath->mpp, ETH_ALEN);
1788
2bdaf386 1789 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
a2db2ed3
HR		 1790}
1791
1792static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1793 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1794
1795{
1796 struct ieee80211_sub_if_data *sdata;
1797 struct mesh_path *mpath;
1798
1799 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1800
1801 rcu_read_lock();
1802 mpath = mpp_path_lookup(sdata, dst);
1803 if (!mpath) {
1804 rcu_read_unlock();
1805 return -ENOENT;
1806 }
1807 memcpy(dst, mpath->dst, ETH_ALEN);
1808 mpp_set_pinfo(mpath, mpp, pinfo);
1809 rcu_read_unlock();
1810 return 0;
1811}
1812
1813static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1814 int idx, u8 *dst, u8 *mpp,
1815 struct mpath_info *pinfo)
1816{
1817 struct ieee80211_sub_if_data *sdata;
1818 struct mesh_path *mpath;
1819
1820 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1821
1822 rcu_read_lock();
1823 mpath = mpp_path_lookup_by_idx(sdata, idx);
1824 if (!mpath) {
1825 rcu_read_unlock();
1826 return -ENOENT;
1827 }
1828 memcpy(dst, mpath->dst, ETH_ALEN);
1829 mpp_set_pinfo(mpath, mpp, pinfo);
1830 rcu_read_unlock();
1831 return 0;
1832}
1833
24bdd9f4 1834static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1835 struct net_device *dev,
1836 struct mesh_config *conf)
1837{
1838 struct ieee80211_sub_if_data *sdata;
1839 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1840
93da9cc1 1841 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1842 return 0;
1843}
1844
1845static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1846{
1847 return (mask >> (parm-1)) & 0x1;
1848}
1849
c80d545d
JC		 1850static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1851 const struct mesh_setup *setup)
1852{
1853 u8 *new_ie;
1854 const u8 *old_ie;
4bb62344
CYY		 1855 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1856 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1857
581a8b0f 1858 /* allocate information elements */
c80d545d 1859 new_ie = NULL;
581a8b0f 1860 old_ie = ifmsh->ie;
c80d545d 1861
581a8b0f
JC		 1862 if (setup->ie_len) {
1863 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1864 GFP_KERNEL);
1865 if (!new_ie)
1866 return -ENOMEM;
1867 }
581a8b0f
JC		 1868 ifmsh->ie_len = setup->ie_len;
1869 ifmsh->ie = new_ie;
1870 kfree(old_ie);
c80d545d
JC		 1871
1872 /* now copy the rest of the setup parameters */
1873 ifmsh->mesh_id_len = setup->mesh_id_len;
1874 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1875 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1876 ifmsh->mesh_pp_id = setup->path_sel_proto;
1877 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1878 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1879 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce 1880 ifmsh->security = IEEE80211_MESH_SEC_NONE;
0ab2e55d 1881 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
b130e5ce
JC		 1882 if (setup->is_authenticated)
1883 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1884 if (setup->is_secure)
1885 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1886
4bb62344
CYY		 1887 /* mcast rate setting in Mesh Node */
1888 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1889 sizeof(setup->mcast_rate));
ffb3cf30 1890 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1891
9bdbf04d
MP		 1892 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1893 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1894
c80d545d
JC		 1895 return 0;
1896}
1897
24bdd9f4 1898static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1899 struct net_device *dev, u32 mask,
1900 const struct mesh_config *nconf)
93da9cc1 1901{
1902 struct mesh_config *conf;
1903 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1904 struct ieee80211_if_mesh *ifmsh;
1905
93da9cc1 1906 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1907 ifmsh = &sdata->u.mesh;
93da9cc1 1908
93da9cc1 1909 /* Set the config options which we are interested in setting */
1910 conf = &(sdata->u.mesh.mshcfg);
1911 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1912 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1913 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1914 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1915 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1916 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1917 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1918 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1919 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1920 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1921 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1922 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1923 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1924 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1925 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1926 if (ifmsh->user_mpm)
1927 return -EBUSY;
93da9cc1 1928 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1929 }
d299a1f2
JC		 1930 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1931 conf->dot11MeshNbrOffsetMaxNeighbor =
1932 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1933 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1934 conf->dot11MeshHWMPmaxPREQretries =
1935 nconf->dot11MeshHWMPmaxPREQretries;
1936 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1937 conf->path_refresh_time = nconf->path_refresh_time;
1938 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1939 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1940 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1941 conf->dot11MeshHWMPactivePathTimeout =
1942 nconf->dot11MeshHWMPactivePathTimeout;
1943 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1944 conf->dot11MeshHWMPpreqMinInterval =
1945 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1946 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1947 conf->dot11MeshHWMPperrMinInterval =
1948 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1949 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1950 mask))
1951 conf->dot11MeshHWMPnetDiameterTraversalTime =
1952 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1953 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1954 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1955 ieee80211_mesh_root_setup(ifmsh);
1956 }
16dd7267 1957 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1958 /* our current gate announcement implementation rides on root
1959 * announcements, so require this ifmsh to also be a root node
1960 * */
1961 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1962 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1963 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1964 ieee80211_mesh_root_setup(ifmsh);
1965 }
16dd7267
JC		 1966 conf->dot11MeshGateAnnouncementProtocol =
1967 nconf->dot11MeshGateAnnouncementProtocol;
1968 }
a4f606ea 1969 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1970 conf->dot11MeshHWMPRannInterval =
1971 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1972 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1973 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1974 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1975 /* our RSSI threshold implementation is supported only for
1976 * devices that report signal in dBm.
1977 */
30686bf7 1978 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
55335137
AN		 1979 return -ENOTSUPP;
1980 conf->rssi_threshold = nconf->rssi_threshold;
1981 }
70c33eaa
AN		 1982 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1983 conf->ht_opmode = nconf->ht_opmode;
1984 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1985 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1986 }
ac1073a6
CYY		 1987 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1988 conf->dot11MeshHWMPactivePathToRootTimeout =
1989 nconf->dot11MeshHWMPactivePathToRootTimeout;
1990 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1991 conf->dot11MeshHWMProotInterval =
1992 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1993 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1994 conf->dot11MeshHWMPconfirmationInterval =
1995 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1996 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1997 conf->power_mode = nconf->power_mode;
1998 ieee80211_mps_local_status_update(sdata);
1999 }
2b5e1967 2000 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 2001 conf->dot11MeshAwakeWindowDuration =
2002 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 2003 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2004 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 2005 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 2006 return 0;
2007}
2008
29cbe68c
JB		 2009static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2010 const struct mesh_config *conf,
2011 const struct mesh_setup *setup)
2012{
2013 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2014 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 2015 int err;
29cbe68c 2016
c80d545d
JC		 2017 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2018 err = copy_mesh_setup(ifmsh, setup);
2019 if (err)
2020 return err;
cc1d2806 2021
04ecd257
JB		 2022 /* can mesh use other SMPS modes? */
2023 sdata->smps_mode = IEEE80211_SMPS_OFF;
2024 sdata->needed_rx_chains = sdata->local->rx_chains;
2025
34a3740d 2026 mutex_lock(&sdata->local->mtx);
4bf88530 2027 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 2028 IEEE80211_CHANCTX_SHARED);
34a3740d 2029 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 2030 if (err)
2031 return err;
2032
2b5e1967 2033 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 2034}
2035
2036static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2037{
2038 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2039
2040 ieee80211_stop_mesh(sdata);
34a3740d 2041 mutex_lock(&sdata->local->mtx);
55de908a 2042 ieee80211_vif_release_channel(sdata);
34a3740d 2043 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 2044
2045 return 0;
2046}
c5dd9c2b
LCC		 2047#endif
2048
9f1ba906
JM		 2049static int ieee80211_change_bss(struct wiphy *wiphy,
2050 struct net_device *dev,
2051 struct bss_parameters *params)
2052{
55de908a 2053 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21a8e9dd 2054 struct ieee80211_supported_band *sband;
9f1ba906
JM		 2055 u32 changed = 0;
2056
7ca133bc 2057 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 2058 return -ENOENT;
2059
21a8e9dd
MSS		 2060 sband = ieee80211_get_sband(sdata);
2061 if (!sband)
2062 return -EINVAL;
9f1ba906 2063
9f1ba906 2064 if (params->use_cts_prot >= 0) {
bda3933a 2065 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 2066 changed |= BSS_CHANGED_ERP_CTS_PROT;
2067 }
2068 if (params->use_short_preamble >= 0) {
bda3933a 2069 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 2070 params->use_short_preamble;
2071 changed |= BSS_CHANGED_ERP_PREAMBLE;
2072 }
43d35343
FF		 2073
2074 if (!sdata->vif.bss_conf.use_short_slot &&
21a8e9dd 2075 sband->band == NL80211_BAND_5GHZ) {
43d35343
FF		 2076 sdata->vif.bss_conf.use_short_slot = true;
2077 changed |= BSS_CHANGED_ERP_SLOT;
2078 }
2079
9f1ba906 2080 if (params->use_short_slot_time >= 0) {
bda3933a 2081 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2082 params->use_short_slot_time;
2083 changed |= BSS_CHANGED_ERP_SLOT;
2084 }
2085
90c97a04 2086 if (params->basic_rates) {
2103dec1 2087 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
21a8e9dd 2088 wiphy->bands[sband->band],
2103dec1
SW		 2089 params->basic_rates,
2090 params->basic_rates_len,
2091 &sdata->vif.bss_conf.basic_rates);
90c97a04 2092 changed |= BSS_CHANGED_BASIC_RATES;
e8e4f528 2093 ieee80211_check_rate_mask(sdata);
90c97a04
JM		 2094 }
2095
7b7b5e56
FF		 2096 if (params->ap_isolate >= 0) {
2097 if (params->ap_isolate)
2098 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2099 else
2100 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
49ddf8e6 2101 ieee80211_check_fast_rx_iface(sdata);
7b7b5e56
FF		 2102 }
2103
80d7e403
HS		 2104 if (params->ht_opmode >= 0) {
2105 sdata->vif.bss_conf.ht_operation_mode =
2106 (u16) params->ht_opmode;
2107 changed |= BSS_CHANGED_HT;
2108 }
2109
339afbf4 2110 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2111 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2112 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2113 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2114 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2115 changed |= BSS_CHANGED_P2P_PS;
2116 }
2117
67baf663
JD		 2118 if (params->p2p_opp_ps > 0) {
2119 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2120 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2121 changed |= BSS_CHANGED_P2P_PS;
2122 } else if (params->p2p_opp_ps == 0) {
2123 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2124 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2125 changed |= BSS_CHANGED_P2P_PS;
2126 }
2127
9f1ba906
JM		 2128 ieee80211_bss_info_change_notify(sdata, changed);
2129
2130 return 0;
2131}
2132
31888487 2133static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2134 struct net_device *dev,
31888487
JM		 2135 struct ieee80211_txq_params *params)
2136{
2137 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2138 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2139 struct ieee80211_tx_queue_params p;
2140
2141 if (!local->ops->conf_tx)
2142 return -EOPNOTSUPP;
2143
54bcbc69
JB		 2144 if (local->hw.queues < IEEE80211_NUM_ACS)
2145 return -EOPNOTSUPP;
2146
31888487
JM		 2147 memset(&p, 0, sizeof(p));
2148 p.aifs = params->aifs;
2149 p.cw_max = params->cwmax;
2150 p.cw_min = params->cwmin;
2151 p.txop = params->txop;
ab13315a
KV		 2152
2153 /*
2154 * Setting tx queue params disables u-apsd because it's only
2155 * called in master mode.
2156 */
2157 p.uapsd = false;
2158
a3304b0a
JB		 2159 sdata->tx_conf[params->ac] = p;
2160 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2161 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2162 "failed to set TX queue parameters for AC %d\n",
2163 params->ac);
31888487
JM		 2164 return -EINVAL;
2165 }
2166
7d25745d
JB		 2167 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2168
31888487
JM		 2169 return 0;
2170}
2171
665af4fc 2172#ifdef CONFIG_PM
ff1b6e69
JB		 2173static int ieee80211_suspend(struct wiphy *wiphy,
2174 struct cfg80211_wowlan *wowlan)
665af4fc 2175{
eecc4800 2176 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2177}
2178
2179static int ieee80211_resume(struct wiphy *wiphy)
2180{
2181 return __ieee80211_resume(wiphy_priv(wiphy));
2182}
2183#else
2184#define ieee80211_suspend NULL
2185#define ieee80211_resume NULL
2186#endif
2187
2a519311 2188static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2189 struct cfg80211_scan_request *req)
2190{
fd014284
JB		 2191 struct ieee80211_sub_if_data *sdata;
2192
2193 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2194
2ca27bcf
JB		 2195 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2196 case NL80211_IFTYPE_STATION:
2197 case NL80211_IFTYPE_ADHOC:
2198 case NL80211_IFTYPE_MESH_POINT:
2199 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2200 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2201 break;
2202 case NL80211_IFTYPE_P2P_GO:
2203 if (sdata->local->ops->hw_scan)
2204 break;
e9d7732e
JB		 2205 /*
2206 * FIXME: implement NoA while scanning in software,
2207 * for now fall through to allow scanning only when
2208 * beaconing hasn't been configured yet
2209 */
02049ce2 2210 /* fall through */
2ca27bcf 2211 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2212 /*
2213 * If the scan has been forced (and the driver supports
2214 * forcing), don't care about being beaconing already.
2215 * This will create problems to the attached stations (e.g. all
2216 * the frames sent while scanning on other channel will be
2217 * lost)
2218 */
2219 if (sdata->u.ap.beacon &&
2220 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2221 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2222 return -EOPNOTSUPP;
2223 break;
cb3b7d87 2224 case NL80211_IFTYPE_NAN:
2ca27bcf
JB		 2225 default:
2226 return -EOPNOTSUPP;
2227 }
2a519311
JB		 2228
2229 return ieee80211_request_scan(sdata, req);
2230}
2231
91f123f2
VK		 2232static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2233{
2234 ieee80211_scan_cancel(wiphy_priv(wiphy));
2235}
2236
79f460ca
LC		 2237static int
2238ieee80211_sched_scan_start(struct wiphy *wiphy,
2239 struct net_device *dev,
2240 struct cfg80211_sched_scan_request *req)
2241{
2242 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2243
2244 if (!sdata->local->ops->sched_scan_start)
2245 return -EOPNOTSUPP;
2246
2247 return ieee80211_request_sched_scan_start(sdata, req);
2248}
2249
2250static int
3a3ecf1d
AVS		 2251ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2252 u64 reqid)
79f460ca 2253{
0d440ea2 2254 struct ieee80211_local *local = wiphy_priv(wiphy);
79f460ca 2255
0d440ea2 2256 if (!local->ops->sched_scan_stop)
79f460ca
LC		 2257 return -EOPNOTSUPP;
2258
0d440ea2 2259 return ieee80211_request_sched_scan_stop(local);
79f460ca
LC		 2260}
2261
636a5d36
JM		 2262static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2263 struct cfg80211_auth_request *req)
2264{
77fdaa12 2265 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2266}
2267
2268static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2269 struct cfg80211_assoc_request *req)
2270{
77fdaa12 2271 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2272}
2273
2274static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2275 struct cfg80211_deauth_request *req)
636a5d36 2276{
63c9c5e7 2277 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2278}
2279
2280static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2281 struct cfg80211_disassoc_request *req)
636a5d36 2282{
63c9c5e7 2283 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2284}
2285
af8cdcd8
JB		 2286static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2287 struct cfg80211_ibss_params *params)
2288{
55de908a 2289 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2290}
2291
2292static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2293{
55de908a 2294 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2295}
2296
239281f8
RL		 2297static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2298 struct ocb_setup *setup)
2299{
2300 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2301}
2302
2303static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2304{
2305 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2306}
2307
391e53e3 2308static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
57fbcce3 2309 int rate[NUM_NL80211_BANDS])
391e53e3
AQ		 2310{
2311 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2312
9887dbf5 2313 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
57fbcce3 2314 sizeof(int) * NUM_NL80211_BANDS);
391e53e3
AQ		 2315
2316 return 0;
2317}
2318
b9a5f8ca
JM		 2319static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2320{
2321 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2322 int err;
b9a5f8ca 2323
f23a4780 2324 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2325 ieee80211_check_fast_xmit_all(local);
2326
f23a4780
AN		 2327 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2328
17c18bf8
JB		 2329 if (err) {
2330 ieee80211_check_fast_xmit_all(local);
f23a4780 2331 return err;
17c18bf8 2332 }
f23a4780
AN		 2333 }
2334
a4bcaf55
LB		 2335 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2336 (changed & WIPHY_PARAM_DYN_ACK)) {
2337 s16 coverage_class;
2338
2339 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2340 wiphy->coverage_class : -1;
2341 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2342
2343 if (err)
2344 return err;
2345 }
2346
b9a5f8ca 2347 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2348 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2349
24487981
JB		 2350 if (err)
2351 return err;
b9a5f8ca
JM		 2352 }
2353
8bc83c24
JB		 2354 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2355 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2356 return -EINVAL;
b9a5f8ca 2357 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2358 }
2359 if (changed & WIPHY_PARAM_RETRY_LONG) {
2360 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2361 return -EINVAL;
b9a5f8ca 2362 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2363 }
b9a5f8ca
JM		 2364 if (changed &
2365 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2366 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2367
2368 return 0;
2369}
2370
7643a2c3 2371static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2372 struct wireless_dev *wdev,
fa61cf70 2373 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2374{
2375 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2376 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2377 enum nl80211_tx_power_setting txp_type = type;
2378 bool update_txp_type = false;
3a3713ec 2379 bool has_monitor = false;
7643a2c3 2380
1ea6f9c0
JB		 2381 if (wdev) {
2382 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2383
3a3713ec
PG		 2384 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2385 sdata = rtnl_dereference(local->monitor_sdata);
2386 if (!sdata)
2387 return -EOPNOTSUPP;
2388 }
2389
1ea6f9c0
JB		 2390 switch (type) {
2391 case NL80211_TX_POWER_AUTOMATIC:
2392 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2393 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2394 break;
2395 case NL80211_TX_POWER_LIMITED:
2396 case NL80211_TX_POWER_FIXED:
2397 if (mbm < 0 || (mbm % 100))
2398 return -EOPNOTSUPP;
2399 sdata->user_power_level = MBM_TO_DBM(mbm);
2400 break;
2401 }
2402
db82d8a9
LB		 2403 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2404 update_txp_type = true;
2405 sdata->vif.bss_conf.txpower_type = txp_type;
2406 }
2407
2408 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2409
2410 return 0;
2411 }
55de908a 2412
7643a2c3 2413 switch (type) {
fa61cf70 2414 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2415 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2416 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2417 break;
fa61cf70 2418 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2419 case NL80211_TX_POWER_FIXED:
2420 if (mbm < 0 || (mbm % 100))
2421 return -EOPNOTSUPP;
fa61cf70 2422 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2423 break;
7643a2c3
JB		 2424 }
2425
1ea6f9c0 2426 mutex_lock(&local->iflist_mtx);
db82d8a9 2427 list_for_each_entry(sdata, &local->interfaces, list) {
3a3713ec
PG		 2428 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2429 has_monitor = true;
2430 continue;
2431 }
1ea6f9c0 2432 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2433 if (txp_type != sdata->vif.bss_conf.txpower_type)
2434 update_txp_type = true;
2435 sdata->vif.bss_conf.txpower_type = txp_type;
2436 }
3a3713ec
PG		 2437 list_for_each_entry(sdata, &local->interfaces, list) {
2438 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2439 continue;
db82d8a9 2440 ieee80211_recalc_txpower(sdata, update_txp_type);
3a3713ec 2441 }
1ea6f9c0 2442 mutex_unlock(&local->iflist_mtx);
7643a2c3 2443
3a3713ec
PG		 2444 if (has_monitor) {
2445 sdata = rtnl_dereference(local->monitor_sdata);
2446 if (sdata) {
2447 sdata->user_power_level = local->user_power_level;
2448 if (txp_type != sdata->vif.bss_conf.txpower_type)
2449 update_txp_type = true;
2450 sdata->vif.bss_conf.txpower_type = txp_type;
2451
2452 ieee80211_recalc_txpower(sdata, update_txp_type);
2453 }
2454 }
2455
7643a2c3
JB		 2456 return 0;
2457}
2458
c8442118
JB		 2459static int ieee80211_get_tx_power(struct wiphy *wiphy,
2460 struct wireless_dev *wdev,
2461 int *dbm)
7643a2c3
JB		 2462{
2463 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2464 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2465
5b3dc42b
FF		 2466 if (local->ops->get_txpower)
2467 return drv_get_txpower(local, sdata, dbm);
2468
1ea6f9c0
JB		 2469 if (!local->use_chanctx)
2470 *dbm = local->hw.conf.power_level;
2471 else
2472 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2473
7643a2c3
JB		 2474 return 0;
2475}
2476
ab737a4f 2477static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2478 const u8 *addr)
ab737a4f
JB		 2479{
2480 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2481
2482 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2483
2484 return 0;
2485}
2486
1f87f7d3
JB		 2487static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2488{
2489 struct ieee80211_local *local = wiphy_priv(wiphy);
2490
2491 drv_rfkill_poll(local);
2492}
2493
aff89a9b 2494#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2495static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2496 struct wireless_dev *wdev,
2497 void *data, int len)
aff89a9b
JB		 2498{
2499 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2500 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2501
2502 if (!local->ops->testmode_cmd)
2503 return -EOPNOTSUPP;
2504
52981cd7
DS		 2505 if (wdev) {
2506 struct ieee80211_sub_if_data *sdata;
2507
2508 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2509 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2510 vif = &sdata->vif;
2511 }
2512
2513 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2514}
71063f0e
WYG		 2515
2516static int ieee80211_testmode_dump(struct wiphy *wiphy,
2517 struct sk_buff *skb,
2518 struct netlink_callback *cb,
2519 void *data, int len)
2520{
2521 struct ieee80211_local *local = wiphy_priv(wiphy);
2522
2523 if (!local->ops->testmode_dump)
2524 return -EOPNOTSUPP;
2525
2526 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2527}
aff89a9b
JB		 2528#endif
2529
687da132
EG		 2530int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2531 enum ieee80211_smps_mode smps_mode)
2532{
2533 struct sta_info *sta;
2534 enum ieee80211_smps_mode old_req;
687da132
EG		 2535
2536 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2537 return -EINVAL;
2538
2539 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2540 return 0;
2541
2542 old_req = sdata->u.ap.req_smps;
2543 sdata->u.ap.req_smps = smps_mode;
2544
2545 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2546 if (old_req == smps_mode ||
2547 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2548 return 0;
2549
687da132 2550 ht_dbg(sdata,
6a8b4adb 2551 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2552 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2553
2554 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2555 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2556 /*
2557 * Only stations associated to our AP and
2558 * associated VLANs
2559 */
2560 if (sta->sdata->bss != &sdata->u.ap)
2561 continue;
687da132 2562
7d9bb2f0
JB		 2563 /* This station doesn't support MIMO - skip it */
2564 if (sta_info_tx_streams(sta) == 1)
2565 continue;
687da132 2566
7d9bb2f0
JB		 2567 /*
2568 * Don't wake up a STA just to send the action frame
2569 * unless we are getting more restrictive.
2570 */
2571 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2572 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2573 smps_mode)) {
2574 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2575 sta->sta.addr);
2576 continue;
2577 }
687da132 2578
7d9bb2f0
JB		 2579 /*
2580 * If the STA is not authorized, wait until it gets
2581 * authorized and the action frame will be sent then.
2582 */
2583 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2584 continue;
687da132 2585
7d9bb2f0
JB		 2586 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2587 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2588 sdata->vif.bss_conf.bssid);
687da132
EG		 2589 }
2590 mutex_unlock(&sdata->local->sta_mtx);
2591
2592 sdata->smps_mode = smps_mode;
2593 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2594
2595 return 0;
2596}
2597
2598int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2599 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2600{
2601 const u8 *ap;
2602 enum ieee80211_smps_mode old_req;
2603 int err;
d51c2ea3
AN		 2604 struct sta_info *sta;
2605 bool tdls_peer_found = false;
0f78231b 2606
8d61ffa5 2607 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2608
687da132
EG		 2609 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2610 return -EINVAL;
2611
0f78231b
JB		 2612 old_req = sdata->u.mgd.req_smps;
2613 sdata->u.mgd.req_smps = smps_mode;
2614
2615 if (old_req == smps_mode &&
2616 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2617 return 0;
2618
2619 /*
2620 * If not associated, or current association is not an HT
04ecd257
JB		 2621 * association, there's no need to do anything, just store
2622 * the new value until we associate.
0f78231b
JB		 2623 */
2624 if (!sdata->u.mgd.associated ||
4bf88530 2625 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2626 return 0;
0f78231b 2627
0c1ad2ca 2628 ap = sdata->u.mgd.associated->bssid;
0f78231b 2629
d51c2ea3
AN		 2630 rcu_read_lock();
2631 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2632 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2633 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2634 continue;
2635
2636 tdls_peer_found = true;
2637 break;
2638 }
2639 rcu_read_unlock();
2640
0f78231b 2641 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
d51c2ea3 2642 if (tdls_peer_found || !sdata->u.mgd.powersave)
0f78231b 2643 smps_mode = IEEE80211_SMPS_OFF;
d51c2ea3
AN		 2644 else
2645 smps_mode = IEEE80211_SMPS_DYNAMIC;
0f78231b
JB		 2646 }
2647
2648 /* send SM PS frame to AP */
2649 err = ieee80211_send_smps_action(sdata, smps_mode,
2650 ap, ap);
2651 if (err)
2652 sdata->u.mgd.req_smps = old_req;
d51c2ea3
AN		 2653 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2654 ieee80211_teardown_tdls_peers(sdata);
0f78231b
JB		 2655
2656 return err;
2657}
2658
bc92afd9
JB		 2659static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2660 bool enabled, int timeout)
2661{
2662 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2663 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2664
2d3db210 2665 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2666 return -EOPNOTSUPP;
2667
30686bf7 2668 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
bc92afd9
JB		 2669 return -EOPNOTSUPP;
2670
2671 if (enabled == sdata->u.mgd.powersave &&
ff616381 2672 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2673 return 0;
2674
2675 sdata->u.mgd.powersave = enabled;
ff616381 2676 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2677
0f78231b 2678 /* no change, but if automatic follow powersave */
ed405be5 2679 sdata_lock(sdata);
687da132 2680 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2681 sdata_unlock(sdata);
0f78231b 2682
30686bf7 2683 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
bc92afd9
JB		 2684 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2685
4a733ef1 2686 ieee80211_recalc_ps(local);
ab095877 2687 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2688
2689 return 0;
2690}
2691
a97c13c3
JO		 2692static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2693 struct net_device *dev,
2694 s32 rssi_thold, u32 rssi_hyst)
2695{
2696 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2697 struct ieee80211_vif *vif = &sdata->vif;
2698 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2699
a97c13c3
JO		 2700 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2701 rssi_hyst == bss_conf->cqm_rssi_hyst)
2702 return 0;
2703
ef9be10c
JB		 2704 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2705 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2706 return -EOPNOTSUPP;
2707
a97c13c3
JO		 2708 bss_conf->cqm_rssi_thold = rssi_thold;
2709 bss_conf->cqm_rssi_hyst = rssi_hyst;
2c3c5f8c
AZ		 2710 bss_conf->cqm_rssi_low = 0;
2711 bss_conf->cqm_rssi_high = 0;
2712 sdata->u.mgd.last_cqm_event_signal = 0;
2713
2714 /* tell the driver upon association, unless already associated */
2715 if (sdata->u.mgd.associated &&
2716 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2717 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2718
2719 return 0;
2720}
2721
2722static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2723 struct net_device *dev,
2724 s32 rssi_low, s32 rssi_high)
2725{
2726 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2727 struct ieee80211_vif *vif = &sdata->vif;
2728 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2729
2730 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2731 return -EOPNOTSUPP;
2732
2733 bss_conf->cqm_rssi_low = rssi_low;
2734 bss_conf->cqm_rssi_high = rssi_high;
2735 bss_conf->cqm_rssi_thold = 0;
2736 bss_conf->cqm_rssi_hyst = 0;
babc305e 2737 sdata->u.mgd.last_cqm_event_signal = 0;
a97c13c3
JO		 2738
2739 /* tell the driver upon association, unless already associated */
ea086359
JB		 2740 if (sdata->u.mgd.associated &&
2741 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2742 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2743
2744 return 0;
2745}
2746
9930380f
JB		 2747static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2748 struct net_device *dev,
2749 const u8 *addr,
2750 const struct cfg80211_bitrate_mask *mask)
2751{
2752 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2753 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2754 int i, ret;
2c7e6bc9 2755
554a43d5
EP		 2756 if (!ieee80211_sdata_running(sdata))
2757 return -ENETDOWN;
2758
e8e4f528
JB		 2759 /*
2760 * If active validate the setting and reject it if it doesn't leave
2761 * at least one basic rate usable, since we really have to be able
2762 * to send something, and if we're an AP we have to be able to do
2763 * so at a basic rate so that all clients can receive it.
2764 */
2765 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2766 sdata->vif.bss_conf.chandef.chan) {
2767 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2768 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2769
2770 if (!(mask->control[band].legacy & basic_rates))
2771 return -EINVAL;
2772 }
2773
e5f5ce37
JB		 2774 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2775 ret = drv_set_bitrate_mask(local, sdata, mask);
2776 if (ret)
2777 return ret;
2778 }
2779
57fbcce3 2780 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2ffbe6d3
FF		 2781 struct ieee80211_supported_band *sband = wiphy->bands[i];
2782 int j;
2783
37eb0b16 2784 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2785 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2786 sizeof(mask->control[i].ht_mcs));
b119ad6e
LB		 2787 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2788 mask->control[i].vht_mcs,
2789 sizeof(mask->control[i].vht_mcs));
2ffbe6d3
FF		 2790
2791 sdata->rc_has_mcs_mask[i] = false;
b119ad6e 2792 sdata->rc_has_vht_mcs_mask[i] = false;
2ffbe6d3
FF		 2793 if (!sband)
2794 continue;
2795
b119ad6e 2796 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2df1b131 2797 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2ffbe6d3 2798 sdata->rc_has_mcs_mask[i] = true;
2df1b131
JB		 2799 break;
2800 }
2801 }
b119ad6e 2802
2df1b131
JB		 2803 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2804 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
b119ad6e 2805 sdata->rc_has_vht_mcs_mask[i] = true;
2ffbe6d3 2806 break;
2df1b131 2807 }
b119ad6e 2808 }
19468413 2809 }
9930380f 2810
37eb0b16 2811 return 0;
9930380f
JB		 2812}
2813
164eb02d
SW		 2814static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2815 struct net_device *dev,
31559f35
JD		 2816 struct cfg80211_chan_def *chandef,
2817 u32 cac_time_ms)
164eb02d
SW		 2818{
2819 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2820 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2821 int err;
2822
34a3740d
JB		 2823 mutex_lock(&local->mtx);
2824 if (!list_empty(&local->roc_list) || local->scanning) {
2825 err = -EBUSY;
2826 goto out_unlock;
2827 }
164eb02d
SW		 2828
2829 /* whatever, but channel contexts should not complain about that one */
2830 sdata->smps_mode = IEEE80211_SMPS_OFF;
2831 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2832
164eb02d
SW		 2833 err = ieee80211_vif_use_channel(sdata, chandef,
2834 IEEE80211_CHANCTX_SHARED);
164eb02d 2835 if (err)
34a3740d 2836 goto out_unlock;
164eb02d 2837
164eb02d 2838 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2839 &sdata->dfs_cac_timer_work,
2840 msecs_to_jiffies(cac_time_ms));
164eb02d 2841
34a3740d
JB		 2842 out_unlock:
2843 mutex_unlock(&local->mtx);
2844 return err;
164eb02d
SW		 2845}
2846
73da7d5b
SW		 2847static struct cfg80211_beacon_data *
2848cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2849{
2850 struct cfg80211_beacon_data *new_beacon;
2851 u8 *pos;
2852 int len;
2853
2854 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2855 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2856 beacon->probe_resp_len;
2857
2858 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2859 if (!new_beacon)
2860 return NULL;
2861
2862 pos = (u8 *)(new_beacon + 1);
2863 if (beacon->head_len) {
2864 new_beacon->head_len = beacon->head_len;
2865 new_beacon->head = pos;
2866 memcpy(pos, beacon->head, beacon->head_len);
2867 pos += beacon->head_len;
2868 }
2869 if (beacon->tail_len) {
2870 new_beacon->tail_len = beacon->tail_len;
2871 new_beacon->tail = pos;
2872 memcpy(pos, beacon->tail, beacon->tail_len);
2873 pos += beacon->tail_len;
2874 }
2875 if (beacon->beacon_ies_len) {
2876 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2877 new_beacon->beacon_ies = pos;
2878 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2879 pos += beacon->beacon_ies_len;
2880 }
2881 if (beacon->proberesp_ies_len) {
2882 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2883 new_beacon->proberesp_ies = pos;
2884 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2885 pos += beacon->proberesp_ies_len;
2886 }
2887 if (beacon->assocresp_ies_len) {
2888 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2889 new_beacon->assocresp_ies = pos;
2890 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2891 pos += beacon->assocresp_ies_len;
2892 }
2893 if (beacon->probe_resp_len) {
2894 new_beacon->probe_resp_len = beacon->probe_resp_len;
2895 beacon->probe_resp = pos;
2896 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2897 pos += beacon->probe_resp_len;
2898 }
2899
2900 return new_beacon;
2901}
2902
66e01cf9 2903void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2904{
66e01cf9 2905 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2906
66e01cf9
LC		 2907 ieee80211_queue_work(&sdata->local->hw,
2908 &sdata->csa_finalize_work);
2909}
2910EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2911
66199506
MK		 2912static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2913 u32 *changed)
66e01cf9 2914{
66199506 2915 int err;
7578d575 2916
cd7760e6
SW		 2917 switch (sdata->vif.type) {
2918 case NL80211_IFTYPE_AP:
af296bdb
MK		 2919 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2920 NULL);
97518af1
MK		 2921 kfree(sdata->u.ap.next_beacon);
2922 sdata->u.ap.next_beacon = NULL;
2923
cd7760e6 2924 if (err < 0)
66199506
MK		 2925 return err;
2926 *changed |= err;
cd7760e6
SW		 2927 break;
2928 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2929 err = ieee80211_ibss_finish_csa(sdata);
2930 if (err < 0)
66199506
MK		 2931 return err;
2932 *changed |= err;
cd7760e6 2933 break;
b8456a14
CYY		 2934#ifdef CONFIG_MAC80211_MESH
2935 case NL80211_IFTYPE_MESH_POINT:
2936 err = ieee80211_mesh_finish_csa(sdata);
2937 if (err < 0)
66199506
MK		 2938 return err;
2939 *changed |= err;
b8456a14
CYY		 2940 break;
2941#endif
cd7760e6
SW		 2942 default:
2943 WARN_ON(1);
66199506
MK		 2944 return -EINVAL;
2945 }
2946
2947 return 0;
2948}
2949
cf8767dd 2950static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2951{
2952 struct ieee80211_local *local = sdata->local;
2953 u32 changed = 0;
2954 int err;
2955
2956 sdata_assert_lock(sdata);
2957 lockdep_assert_held(&local->mtx);
03078de4 2958 lockdep_assert_held(&local->chanctx_mtx);
66199506 2959
03078de4
MK		 2960 /*
2961 * using reservation isn't immediate as it may be deferred until later
2962 * with multi-vif. once reservation is complete it will re-schedule the
2963 * work with no reserved_chanctx so verify chandef to check if it
2964 * completed successfully
2965 */
66199506 2966
03078de4
MK		 2967 if (sdata->reserved_chanctx) {
2968 /*
2969 * with multi-vif csa driver may call ieee80211_csa_finish()
2970 * many times while waiting for other interfaces to use their
2971 * reservations
2972 */
2973 if (sdata->reserved_ready)
2974 return 0;
2975
408b18ab 2976 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2977 }
73da7d5b 2978
03078de4
MK		 2979 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2980 &sdata->csa_chandef))
2981 return -EINVAL;
2982
66199506
MK		 2983 sdata->vif.csa_active = false;
2984
2985 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2986 if (err)
cf8767dd 2987 return err;
faf046e7 2988
66199506 2989 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2990
a46992b4
LC		 2991 if (sdata->csa_block_tx) {
2992 ieee80211_wake_vif_queues(local, sdata,
2993 IEEE80211_QUEUE_STOP_REASON_CSA);
2994 sdata->csa_block_tx = false;
2995 }
cf8767dd 2996
f1d65583
LC		 2997 err = drv_post_channel_switch(sdata);
2998 if (err)
2999 return err;
3000
3001 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3002
cf8767dd
MK		 3003 return 0;
3004}
3005
3006static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3007{
3008 if (__ieee80211_csa_finalize(sdata)) {
3009 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3010 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3011 GFP_KERNEL);
3012 }
66e01cf9
LC		 3013}
3014
3015void ieee80211_csa_finalize_work(struct work_struct *work)
3016{
3017 struct ieee80211_sub_if_data *sdata =
3018 container_of(work, struct ieee80211_sub_if_data,
3019 csa_finalize_work);
59af6928 3020 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 3021
3022 sdata_lock(sdata);
59af6928 3023 mutex_lock(&local->mtx);
03078de4 3024 mutex_lock(&local->chanctx_mtx);
59af6928 3025
66e01cf9
LC		 3026 /* AP might have been stopped while waiting for the lock. */
3027 if (!sdata->vif.csa_active)
3028 goto unlock;
3029
3030 if (!ieee80211_sdata_running(sdata))
3031 goto unlock;
3032
3033 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3034
3035unlock:
03078de4 3036 mutex_unlock(&local->chanctx_mtx);
59af6928 3037 mutex_unlock(&local->mtx);
e487eaeb 3038 sdata_unlock(sdata);
73da7d5b
SW		 3039}
3040
37fa2bdd
MK		 3041static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3042 struct cfg80211_csa_settings *params,
3043 u32 *changed)
73da7d5b 3044{
af296bdb 3045 struct ieee80211_csa_settings csa = {};
37fa2bdd 3046 int err;
73da7d5b 3047
73da7d5b
SW		 3048 switch (sdata->vif.type) {
3049 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3050 sdata->u.ap.next_beacon =
3051 cfg80211_beacon_dup(&params->beacon_after);
3052 if (!sdata->u.ap.next_beacon)
3053 return -ENOMEM;
3054
66e01cf9
LC		 3055 /*
3056 * With a count of 0, we don't have to wait for any
3057 * TBTT before switching, so complete the CSA
3058 * immediately. In theory, with a count == 1 we
3059 * should delay the switch until just before the next
3060 * TBTT, but that would complicate things so we switch
3061 * immediately too. If we would delay the switch
3062 * until the next TBTT, we would have to set the probe
3063 * response here.
3064 *
3065 * TODO: A channel switch with count <= 1 without
3066 * sending a CSA action frame is kind of useless,
3067 * because the clients won't know we're changing
3068 * channels. The action frame must be implemented
3069 * either here or in the userspace.
3070 */
3071 if (params->count <= 1)
3072 break;
3073
0d06d9ba
AO		 3074 if ((params->n_counter_offsets_beacon >
3075 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3076 (params->n_counter_offsets_presp >
3077 IEEE80211_MAX_CSA_COUNTERS_NUM))
3078 return -EINVAL;
9a774c78 3079
af296bdb
MK		 3080 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3081 csa.counter_offsets_presp = params->counter_offsets_presp;
3082 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3083 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3084 csa.count = params->count;
9a774c78 3085
af296bdb 3086 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3087 if (err < 0) {
3088 kfree(sdata->u.ap.next_beacon);
3089 return err;
3090 }
37fa2bdd 3091 *changed |= err;
66e01cf9 3092
cd7760e6
SW		 3093 break;
3094 case NL80211_IFTYPE_ADHOC:
3095 if (!sdata->vif.bss_conf.ibss_joined)
3096 return -EINVAL;
3097
3098 if (params->chandef.width != sdata->u.ibss.chandef.width)
3099 return -EINVAL;
3100
3101 switch (params->chandef.width) {
3102 case NL80211_CHAN_WIDTH_40:
3103 if (cfg80211_get_chandef_type(&params->chandef) !=
3104 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3105 return -EINVAL;
3106 case NL80211_CHAN_WIDTH_5:
3107 case NL80211_CHAN_WIDTH_10:
3108 case NL80211_CHAN_WIDTH_20_NOHT:
3109 case NL80211_CHAN_WIDTH_20:
3110 break;
3111 default:
3112 return -EINVAL;
3113 }
3114
3115 /* changes into another band are not supported */
3116 if (sdata->u.ibss.chandef.chan->band !=
3117 params->chandef.chan->band)
3118 return -EINVAL;
3119
66e01cf9
LC		 3120 /* see comments in the NL80211_IFTYPE_AP block */
3121 if (params->count > 1) {
3122 err = ieee80211_ibss_csa_beacon(sdata, params);
3123 if (err < 0)
3124 return err;
37fa2bdd 3125 *changed |= err;
66e01cf9
LC		 3126 }
3127
3128 ieee80211_send_action_csa(sdata, params);
3129
73da7d5b 3130 break;
c6da674a 3131#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3132 case NL80211_IFTYPE_MESH_POINT: {
3133 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3134
c6da674a
CYY		 3135 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3136 return -EINVAL;
3137
3138 /* changes into another band are not supported */
3139 if (sdata->vif.bss_conf.chandef.chan->band !=
3140 params->chandef.chan->band)
3141 return -EINVAL;
3142
c782bf8c 3143 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3144 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3145 if (!ifmsh->pre_value)
3146 ifmsh->pre_value = 1;
3147 else
3148 ifmsh->pre_value++;
3149 }
0cb4d4dc 3150
66e01cf9
LC		 3151 /* see comments in the NL80211_IFTYPE_AP block */
3152 if (params->count > 1) {
3153 err = ieee80211_mesh_csa_beacon(sdata, params);
3154 if (err < 0) {
3155 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3156 return err;
3157 }
37fa2bdd 3158 *changed |= err;
3f718fd8 3159 }
66e01cf9
LC		 3160
3161 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3162 ieee80211_send_action_csa(sdata, params);
3163
c6da674a 3164 break;
37fa2bdd 3165 }
c6da674a 3166#endif
73da7d5b
SW		 3167 default:
3168 return -EOPNOTSUPP;
3169 }
3170
37fa2bdd
MK		 3171 return 0;
3172}
3173
f29f58a9
LC		 3174static int
3175__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3176 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3177{
3178 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3179 struct ieee80211_local *local = sdata->local;
6d027bcc 3180 struct ieee80211_channel_switch ch_switch;
2b32713d 3181 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3182 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3183 u32 changed = 0;
3184 int err;
37fa2bdd
MK		 3185
3186 sdata_assert_lock(sdata);
59af6928 3187 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3188
3189 if (!list_empty(&local->roc_list) || local->scanning)
3190 return -EBUSY;
3191
3192 if (sdata->wdev.cac_started)
3193 return -EBUSY;
3194
3195 if (cfg80211_chandef_identical(&params->chandef,
3196 &sdata->vif.bss_conf.chandef))
3197 return -EINVAL;
3198
03078de4
MK		 3199 /* don't allow another channel switch if one is already active. */
3200 if (sdata->vif.csa_active)
3201 return -EBUSY;
3202
2b32713d
MK		 3203 mutex_lock(&local->chanctx_mtx);
3204 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3205 lockdep_is_held(&local->chanctx_mtx));
3206 if (!conf) {
03078de4
MK		 3207 err = -EBUSY;
3208 goto out;
37fa2bdd
MK		 3209 }
3210
2b32713d 3211 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
37fa2bdd 3212
000baa5d
LC		 3213 ch_switch.timestamp = 0;
3214 ch_switch.device_timestamp = 0;
3215 ch_switch.block_tx = params->block_tx;
3216 ch_switch.chandef = params->chandef;
3217 ch_switch.count = params->count;
3218
6d027bcc
LC		 3219 err = drv_pre_channel_switch(sdata, &ch_switch);
3220 if (err)
3221 goto out;
3222
03078de4
MK		 3223 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3224 chanctx->mode,
3225 params->radar_required);
3226 if (err)
3227 goto out;
37fa2bdd 3228
03078de4
MK		 3229 /* if reservation is invalid then this will fail */
3230 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3231 if (err) {
3232 ieee80211_vif_unreserve_chanctx(sdata);
3233 goto out;
3234 }
37fa2bdd
MK		 3235
3236 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3237 if (err) {
3238 ieee80211_vif_unreserve_chanctx(sdata);
3239 goto out;
3240 }
37fa2bdd 3241
33787fc4 3242 sdata->csa_chandef = params->chandef;
59af6928 3243 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3244 sdata->vif.csa_active = true;
3245
59af6928 3246 if (sdata->csa_block_tx)
a46992b4
LC		 3247 ieee80211_stop_vif_queues(local, sdata,
3248 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3249
2f457293
LC		 3250 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3251 params->count);
3252
66e01cf9
LC		 3253 if (changed) {
3254 ieee80211_bss_info_change_notify(sdata, changed);
3255 drv_channel_switch_beacon(sdata, &params->chandef);
3256 } else {
3257 /* if the beacon didn't change, we can finalize immediately */
3258 ieee80211_csa_finalize(sdata);
3259 }
73da7d5b 3260
03078de4
MK		 3261out:
3262 mutex_unlock(&local->chanctx_mtx);
3263 return err;
73da7d5b
SW		 3264}
3265
59af6928
MK		 3266int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3267 struct cfg80211_csa_settings *params)
3268{
3269 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3270 struct ieee80211_local *local = sdata->local;
3271 int err;
3272
3273 mutex_lock(&local->mtx);
3274 err = __ieee80211_channel_switch(wiphy, dev, params);
3275 mutex_unlock(&local->mtx);
3276
3277 return err;
3278}
3279
a2fcfccb
JB		 3280u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3281{
3282 lockdep_assert_held(&local->mtx);
3283
3284 local->roc_cookie_counter++;
3285
3286 /* wow, you wrapped 64 bits ... more likely a bug */
3287 if (WARN_ON(local->roc_cookie_counter == 0))
3288 local->roc_cookie_counter++;
3289
3290 return local->roc_cookie_counter;
3291}
3292
5ee00dbd
JB		 3293int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3294 u64 *cookie, gfp_t gfp)
3b79af97
JB		 3295{
3296 unsigned long spin_flags;
3297 struct sk_buff *ack_skb;
3298 int id;
3299
3300 ack_skb = skb_copy(skb, gfp);
3301 if (!ack_skb)
5ee00dbd 3302 return -ENOMEM;
3b79af97
JB		 3303
3304 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3305 id = idr_alloc(&local->ack_status_frames, ack_skb,
3306 1, 0x10000, GFP_ATOMIC);
3307 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3308
3309 if (id < 0) {
3310 kfree_skb(ack_skb);
5ee00dbd 3311 return -ENOMEM;
3b79af97
JB		 3312 }
3313
3314 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3315
3316 *cookie = ieee80211_mgmt_tx_cookie(local);
3317 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3318
5ee00dbd 3319 return 0;
3b79af97
JB		 3320}
3321
7be5086d 3322static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3323 struct wireless_dev *wdev,
7be5086d
JB		 3324 u16 frame_type, bool reg)
3325{
3326 struct ieee80211_local *local = wiphy_priv(wiphy);
1b09b556 3327 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 3328
6abe0563 3329 switch (frame_type) {
6abe0563 3330 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
1b09b556 3331 if (reg) {
6abe0563 3332 local->probe_req_reg++;
1b09b556
AO		 3333 sdata->vif.probe_req_reg++;
3334 } else {
3335 if (local->probe_req_reg)
3336 local->probe_req_reg--;
3337
3338 if (sdata->vif.probe_req_reg)
3339 sdata->vif.probe_req_reg--;
3340 }
7be5086d 3341
35f5149e
FF		 3342 if (!local->open_count)
3343 break;
3344
1b09b556
AO		 3345 if (sdata->vif.probe_req_reg == 1)
3346 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3347 FIF_PROBE_REQ);
3348 else if (sdata->vif.probe_req_reg == 0)
3349 drv_config_iface_filter(local, sdata, 0,
3350 FIF_PROBE_REQ);
3351
3352 ieee80211_configure_filter(local);
6abe0563
WH		 3353 break;
3354 default:
3355 break;
3356 }
7be5086d
JB		 3357}
3358
15d96753
BR		 3359static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3360{
3361 struct ieee80211_local *local = wiphy_priv(wiphy);
3362
3363 if (local->started)
3364 return -EOPNOTSUPP;
3365
3366 return drv_set_antenna(local, tx_ant, rx_ant);
3367}
3368
3369static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3370{
3371 struct ieee80211_local *local = wiphy_priv(wiphy);
3372
3373 return drv_get_antenna(local, tx_ant, rx_ant);
3374}
3375
c68f4b89
JB		 3376static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3377 struct net_device *dev,
3378 struct cfg80211_gtk_rekey_data *data)
3379{
3380 struct ieee80211_local *local = wiphy_priv(wiphy);
3381 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3382
3383 if (!local->ops->set_rekey_data)
3384 return -EOPNOTSUPP;
3385
3386 drv_set_rekey_data(local, sdata, data);
3387
3388 return 0;
3389}
3390
06500736
JB		 3391static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3392 const u8 *peer, u64 *cookie)
3393{
3394 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3395 struct ieee80211_local *local = sdata->local;
3396 struct ieee80211_qos_hdr *nullfunc;
5ee00dbd 3397 struct sk_buff *skb;
06500736
JB		 3398 int size = sizeof(*nullfunc);
3399 __le16 fc;
3400 bool qos;
3401 struct ieee80211_tx_info *info;
3402 struct sta_info *sta;
55de908a 3403 struct ieee80211_chanctx_conf *chanctx_conf;
57fbcce3 3404 enum nl80211_band band;
3b79af97
JB		 3405 int ret;
3406
3407 /* the lock is needed to assign the cookie later */
3408 mutex_lock(&local->mtx);
06500736
JB		 3409
3410 rcu_read_lock();
55de908a
JB		 3411 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3412 if (WARN_ON(!chanctx_conf)) {
3b79af97
JB		 3413 ret = -EINVAL;
3414 goto unlock;
55de908a 3415 }
4bf88530 3416 band = chanctx_conf->def.chan->band;
03bb7f42 3417 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3418 if (sta) {
a74a8c84 3419 qos = sta->sta.wme;
b4487c2d 3420 } else {
3b79af97
JB		 3421 ret = -ENOLINK;
3422 goto unlock;
b4487c2d 3423 }
06500736
JB		 3424
3425 if (qos) {
3426 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3427 IEEE80211_STYPE_QOS_NULLFUNC |
3428 IEEE80211_FCTL_FROMDS);
3429 } else {
3430 size -= 2;
3431 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3432 IEEE80211_STYPE_NULLFUNC |
3433 IEEE80211_FCTL_FROMDS);
3434 }
3435
3436 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a 3437 if (!skb) {
3b79af97
JB		 3438 ret = -ENOMEM;
3439 goto unlock;
55de908a 3440 }
06500736
JB		 3441
3442 skb->dev = dev;
3443
3444 skb_reserve(skb, local->hw.extra_tx_headroom);
3445
4df864c1 3446 nullfunc = skb_put(skb, size);
06500736
JB		 3447 nullfunc->frame_control = fc;
3448 nullfunc->duration_id = 0;
3449 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3450 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3451 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3452 nullfunc->seq_ctrl = 0;
3453
3454 info = IEEE80211_SKB_CB(skb);
3455
3456 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3457 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3458 info->band = band;
06500736
JB		 3459
3460 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3461 skb->priority = 7;
3462 if (qos)
3463 nullfunc->qos_ctrl = cpu_to_le16(7);
3464
5ee00dbd
JB		 3465 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3466 if (ret) {
3b79af97 3467 kfree_skb(skb);
3b79af97
JB		 3468 goto unlock;
3469 }
3470
06500736 3471 local_bh_disable();
7c10770f 3472 ieee80211_xmit(sdata, sta, skb);
06500736 3473 local_bh_enable();
3b79af97
JB		 3474
3475 ret = 0;
3476unlock:
55de908a 3477 rcu_read_unlock();
3b79af97 3478 mutex_unlock(&local->mtx);
06500736 3479
3b79af97 3480 return ret;
06500736
JB		 3481}
3482
683b6d3b
JB		 3483static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3484 struct wireless_dev *wdev,
3485 struct cfg80211_chan_def *chandef)
5b7ccaf3 3486{
55de908a 3487 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3488 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3489 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3490 int ret = -ENODATA;
55de908a
JB		 3491
3492 rcu_read_lock();
feda3027
JB		 3493 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3494 if (chanctx_conf) {
c12bc488 3495 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3496 ret = 0;
3497 } else if (local->open_count > 0 &&
3498 local->open_count == local->monitors &&
3499 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3500 if (local->use_chanctx)
3501 *chandef = local->monitor_chandef;
3502 else
675a0b04 3503 *chandef = local->_oper_chandef;
683b6d3b 3504 ret = 0;
55de908a
JB		 3505 }
3506 rcu_read_unlock();
5b7ccaf3 3507
683b6d3b 3508 return ret;
5b7ccaf3
JB		 3509}
3510
6d52563f
JB		 3511#ifdef CONFIG_PM
3512static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3513{
3514 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3515}
3516#endif
3517
32db6b54
KP		 3518static int ieee80211_set_qos_map(struct wiphy *wiphy,
3519 struct net_device *dev,
3520 struct cfg80211_qos_map *qos_map)
3521{
3522 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3523 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3524
3525 if (qos_map) {
3526 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3527 if (!new_qos_map)
3528 return -ENOMEM;
3529 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3530 } else {
3531 /* A NULL qos_map was passed to disable QoS mapping */
3532 new_qos_map = NULL;
3533 }
3534
194ff52d 3535 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3536 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3537 if (old_qos_map)
3538 kfree_rcu(old_qos_map, rcu_head);
3539
3540 return 0;
3541}
3542
3b1700bd
JM		 3543static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3544 struct net_device *dev,
3545 struct cfg80211_chan_def *chandef)
3546{
3547 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3548 int ret;
3549 u32 changed = 0;
3550
3551 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3552 if (ret == 0)
3553 ieee80211_bss_info_change_notify(sdata, changed);
3554
3555 return ret;
3556}
3557
02219b3a
JB		 3558static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3559 u8 tsid, const u8 *peer, u8 up,
3560 u16 admitted_time)
3561{
3562 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3563 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3564 int ac = ieee802_1d_to_ac[up];
3565
3566 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3567 return -EOPNOTSUPP;
3568
3569 if (!(sdata->wmm_acm & BIT(up)))
3570 return -EINVAL;
3571
3572 if (ifmgd->tx_tspec[ac].admitted_time)
3573 return -EBUSY;
3574
3575 if (admitted_time) {
3576 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3577 ifmgd->tx_tspec[ac].tsid = tsid;
3578 ifmgd->tx_tspec[ac].up = up;
3579 }
3580
3581 return 0;
3582}
3583
3584static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3585 u8 tsid, const u8 *peer)
3586{
3587 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3588 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3589 struct ieee80211_local *local = wiphy_priv(wiphy);
3590 int ac;
3591
3592 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3593 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3594
3595 /* skip unused entries */
3596 if (!tx_tspec->admitted_time)
3597 continue;
3598
3599 if (tx_tspec->tsid != tsid)
3600 continue;
3601
3602 /* due to this new packets will be reassigned to non-ACM ACs */
3603 tx_tspec->up = -1;
3604
3605 /* Make sure that all packets have been sent to avoid to
3606 * restore the QoS params on packets that are still on the
3607 * queues.
3608 */
3609 synchronize_net();
3b24f4c6 3610 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3611
3612 /* restore the normal QoS parameters
3613 * (unconditionally to avoid races)
3614 */
3615 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3616 tx_tspec->downgraded = false;
3617 ieee80211_sta_handle_tspec_ac_params(sdata);
3618
3619 /* finally clear all the data */
3620 memset(tx_tspec, 0, sizeof(*tx_tspec));
3621
3622 return 0;
3623 }
3624
3625 return -ENOENT;
3626}
3627
167e33f4
AB		 3628void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3629 u8 inst_id,
3630 enum nl80211_nan_func_term_reason reason,
3631 gfp_t gfp)
3632{
3633 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3634 struct cfg80211_nan_func *func;
3635 u64 cookie;
3636
3637 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3638 return;
3639
3640 spin_lock_bh(&sdata->u.nan.func_lock);
3641
3642 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3643 if (WARN_ON(!func)) {
3644 spin_unlock_bh(&sdata->u.nan.func_lock);
3645 return;
3646 }
3647
3648 cookie = func->cookie;
3649 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3650
3651 spin_unlock_bh(&sdata->u.nan.func_lock);
3652
3653 cfg80211_free_nan_func(func);
3654
3655 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3656 reason, cookie, gfp);
3657}
3658EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3659
92bc43bc
AB		 3660void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3661 struct cfg80211_nan_match_params *match,
3662 gfp_t gfp)
3663{
3664 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3665 struct cfg80211_nan_func *func;
3666
3667 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3668 return;
3669
3670 spin_lock_bh(&sdata->u.nan.func_lock);
3671
3672 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3673 if (WARN_ON(!func)) {
3674 spin_unlock_bh(&sdata->u.nan.func_lock);
3675 return;
3676 }
3677 match->cookie = func->cookie;
3678
3679 spin_unlock_bh(&sdata->u.nan.func_lock);
3680
3681 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3682}
3683EXPORT_SYMBOL(ieee80211_nan_func_match);
3684
ebceec86
MB		 3685static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3686 struct net_device *dev,
3687 const bool enabled)
3688{
3689 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3690
3691 sdata->u.ap.multicast_to_unicast = enabled;
3692
3693 return 0;
3694}
3695
8a47cea7 3696const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3697 .add_virtual_intf = ieee80211_add_iface,
3698 .del_virtual_intf = ieee80211_del_iface,
42613db7 3699 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3700 .start_p2p_device = ieee80211_start_p2p_device,
3701 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3702 .add_key = ieee80211_add_key,
3703 .del_key = ieee80211_del_key,
62da92fb 3704 .get_key = ieee80211_get_key,
e8cbb4cb 3705 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3706 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3707 .start_ap = ieee80211_start_ap,
3708 .change_beacon = ieee80211_change_beacon,
3709 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3710 .add_station = ieee80211_add_station,
3711 .del_station = ieee80211_del_station,
3712 .change_station = ieee80211_change_station,
7bbdd2d9 3713 .get_station = ieee80211_get_station,
c5dd9c2b 3714 .dump_station = ieee80211_dump_station,
1289723e 3715 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3716#ifdef CONFIG_MAC80211_MESH
3717 .add_mpath = ieee80211_add_mpath,
3718 .del_mpath = ieee80211_del_mpath,
3719 .change_mpath = ieee80211_change_mpath,
3720 .get_mpath = ieee80211_get_mpath,
3721 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3722 .get_mpp = ieee80211_get_mpp,
3723 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3724 .update_mesh_config = ieee80211_update_mesh_config,
3725 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3726 .join_mesh = ieee80211_join_mesh,
3727 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3728#endif
239281f8
RL		 3729 .join_ocb = ieee80211_join_ocb,
3730 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3731 .change_bss = ieee80211_change_bss,
31888487 3732 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3733 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3734 .suspend = ieee80211_suspend,
3735 .resume = ieee80211_resume,
2a519311 3736 .scan = ieee80211_scan,
91f123f2 3737 .abort_scan = ieee80211_abort_scan,
79f460ca
LC		 3738 .sched_scan_start = ieee80211_sched_scan_start,
3739 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3740 .auth = ieee80211_auth,
3741 .assoc = ieee80211_assoc,
3742 .deauth = ieee80211_deauth,
3743 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3744 .join_ibss = ieee80211_join_ibss,
3745 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3746 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3747 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3748 .set_tx_power = ieee80211_set_tx_power,
3749 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3750 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3751 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3752 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3753 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3754 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3755 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3756 .remain_on_channel = ieee80211_remain_on_channel,
3757 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3758 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3759 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3760 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2c3c5f8c 3761 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
7be5086d 3762 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3763 .set_antenna = ieee80211_set_antenna,
3764 .get_antenna = ieee80211_get_antenna,
c68f4b89 3765 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3766 .tdls_oper = ieee80211_tdls_oper,
3767 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3768 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3769 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3770 .probe_client = ieee80211_probe_client,
b53be792 3771 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3772#ifdef CONFIG_PM
3773 .set_wakeup = ieee80211_set_wakeup,
3774#endif
5b7ccaf3 3775 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3776 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3777 .channel_switch = ieee80211_channel_switch,
32db6b54 3778 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3779 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3780 .add_tx_ts = ieee80211_add_tx_ts,
3781 .del_tx_ts = ieee80211_del_tx_ts,
708d50ed
AB		 3782 .start_nan = ieee80211_start_nan,
3783 .stop_nan = ieee80211_stop_nan,
5953ff6d 3784 .nan_change_conf = ieee80211_nan_change_conf,
167e33f4
AB		 3785 .add_nan_func = ieee80211_add_nan_func,
3786 .del_nan_func = ieee80211_del_nan_func,
ebceec86 3787 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
f0706e82 3788};
Linux 6.x block layer and io_uring tree(s)