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ALSA: hda - Update descriptions about new position_fix values
[linux-2.6-block.git] / net / mac80211 / cfg.c
CommitLineData
28c61a66 1// SPDX-License-Identifier: GPL-2.0-only
f0706e82
JB		 2/*
3 * mac80211 configuration hooks for cfg80211
4 *
026331c4 5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
b2eb0ee6 6 * Copyright 2013-2015 Intel Mobile Communications GmbH
e8e4f528 7 * Copyright (C) 2015-2017 Intel Deutschland GmbH
bd718fc1 8 * Copyright (C) 2018-2019 Intel Corporation
e552af05 9 * Copyright (C) 2018 Intel Corporation
f0706e82
JB		 10 */
11
e8cbb4cb 12#include <linux/ieee80211.h>
f0706e82
JB		 13#include <linux/nl80211.h>
14#include <linux/rtnetlink.h>
5a0e3ad6 15#include <linux/slab.h>
881d966b 16#include <net/net_namespace.h>
5dfdaf58 17#include <linux/rcupdate.h>
5fdb3735 18#include <linux/fips.h>
dfe018bf 19#include <linux/if_ether.h>
f0706e82
JB		 20#include <net/cfg80211.h>
21#include "ieee80211_i.h"
24487981 22#include "driver-ops.h"
2c8dccc7 23#include "rate.h"
c5dd9c2b 24#include "mesh.h"
02219b3a 25#include "wme.h"
c5dd9c2b 26
65f1d600
JB		 27static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
28 struct vif_params *params)
8c5e6889 29{
8c5e6889
JB		 30 bool mu_mimo_groups = false;
31 bool mu_mimo_follow = false;
32
8c5e6889
JB		 33 if (params->vht_mumimo_groups) {
34 u64 membership;
35
36 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
37
65f1d600 38 memcpy(sdata->vif.bss_conf.mu_group.membership,
8c5e6889 39 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
65f1d600 40 memcpy(sdata->vif.bss_conf.mu_group.position,
8c5e6889
JB		 41 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
42 WLAN_USER_POSITION_LEN);
65f1d600 43 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
8c5e6889
JB		 44 /* don't care about endianness - just check for 0 */
45 memcpy(&membership, params->vht_mumimo_groups,
46 WLAN_MEMBERSHIP_LEN);
47 mu_mimo_groups = membership != 0;
48 }
49
50 if (params->vht_mumimo_follow_addr) {
51 mu_mimo_follow =
52 is_valid_ether_addr(params->vht_mumimo_follow_addr);
65f1d600 53 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
8c5e6889
JB		 54 params->vht_mumimo_follow_addr);
55 }
56
65f1d600
JB		 57 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
58}
59
60static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
61 struct vif_params *params)
62{
63 struct ieee80211_local *local = sdata->local;
64 struct ieee80211_sub_if_data *monitor_sdata;
65
66 /* check flags first */
67 if (params->flags && ieee80211_sdata_running(sdata)) {
68 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
69
70 /*
71 * Prohibit MONITOR_FLAG_COOK_FRAMES and
72 * MONITOR_FLAG_ACTIVE to be changed while the
73 * interface is up.
74 * Else we would need to add a lot of cruft
75 * to update everything:
76 * cooked_mntrs, monitor and all fif_* counters
77 * reconfigure hardware
78 */
79 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
80 return -EBUSY;
81 }
82
83 /* also validate MU-MIMO change */
84 monitor_sdata = rtnl_dereference(local->monitor_sdata);
85
86 if (!monitor_sdata &&
87 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
88 return -EOPNOTSUPP;
89
90 /* apply all changes now - no failures allowed */
91
92 if (monitor_sdata)
93 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
94
95 if (params->flags) {
96 if (ieee80211_sdata_running(sdata)) {
97 ieee80211_adjust_monitor_flags(sdata, -1);
98 sdata->u.mntr.flags = params->flags;
99 ieee80211_adjust_monitor_flags(sdata, 1);
100
101 ieee80211_configure_filter(local);
102 } else {
103 /*
104 * Because the interface is down, ieee80211_do_stop
105 * and ieee80211_do_open take care of "everything"
106 * mentioned in the comment above.
107 */
108 sdata->u.mntr.flags = params->flags;
109 }
110 }
8c5e6889
JB		 111
112 return 0;
113}
114
552bff0c
JB		 115static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
116 const char *name,
6bab2e19 117 unsigned char name_assign_type,
84efbb84 118 enum nl80211_iftype type,
84efbb84 119 struct vif_params *params)
f0706e82
JB		 120{
121 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 122 struct wireless_dev *wdev;
8cc9a739
MW		 123 struct ieee80211_sub_if_data *sdata;
124 int err;
f0706e82 125
6bab2e19 126 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
f9e10ce4
JB		 127 if (err)
128 return ERR_PTR(err);
8cc9a739 129
8c5e6889
JB		 130 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
131
132 if (type == NL80211_IFTYPE_MONITOR) {
65f1d600 133 err = ieee80211_set_mon_options(sdata, params);
8c5e6889
JB		 134 if (err) {
135 ieee80211_if_remove(sdata);
136 return NULL;
137 }
f9e10ce4
JB		 138 }
139
84efbb84 140 return wdev;
f0706e82
JB		 141}
142
84efbb84 143static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 144{
84efbb84 145 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 146
75636525 147 return 0;
f0706e82
JB		 148}
149
e36d56b6
JB		 150static int ieee80211_change_iface(struct wiphy *wiphy,
151 struct net_device *dev,
818a986e 152 enum nl80211_iftype type,
2ec600d6 153 struct vif_params *params)
42613db7 154{
9607e6b6 155 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 156 int ret;
42613db7 157
05c914fe 158 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 159 if (ret)
160 return ret;
42613db7 161
6f527287 162 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
a9b3cd7f 163 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
49ddf8e6 164 ieee80211_check_fast_rx_iface(sdata);
6f527287 165 } else if (type == NL80211_IFTYPE_STATION && 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
96fc6efb
AW		 355static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
356 const u8 *mac_addr, u8 key_idx)
357{
358 struct ieee80211_local *local = sdata->local;
359 struct ieee80211_key *key;
360 struct sta_info *sta;
361 int ret = -EINVAL;
362
363 if (!wiphy_ext_feature_isset(local->hw.wiphy,
364 NL80211_EXT_FEATURE_EXT_KEY_ID))
365 return -EINVAL;
366
367 sta = sta_info_get_bss(sdata, mac_addr);
368
369 if (!sta)
370 return -EINVAL;
371
372 if (sta->ptk_idx == key_idx)
373 return 0;
374
375 mutex_lock(&local->key_mtx);
376 key = key_mtx_dereference(local, sta->ptk[key_idx]);
377
378 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
379 ret = ieee80211_set_tx_key(key);
380
381 mutex_unlock(&local->key_mtx);
382 return ret;
383}
384
e8cbb4cb 385static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 386 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 387 struct key_params *params)
388{
26a58456 389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 390 struct ieee80211_local *local = sdata->local;
e8cbb4cb 391 struct sta_info *sta = NULL;
2475b1cc 392 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 393 struct ieee80211_key *key;
3b96766f 394 int err;
e8cbb4cb 395
26a58456 396 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 397 return -ENETDOWN;
398
96fc6efb
AW		 399 if (pairwise && params->mode == NL80211_KEY_SET_TX)
400 return ieee80211_set_tx(sdata, mac_addr, key_idx);
401
97359d12 402 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 403 switch (params->cipher) {
404 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 405 case WLAN_CIPHER_SUITE_TKIP:
97359d12 406 case WLAN_CIPHER_SUITE_WEP104:
5fdb3735 407 if (WARN_ON_ONCE(fips_enabled))
97359d12 408 return -EINVAL;
2475b1cc 409 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 410 case WLAN_CIPHER_SUITE_CCMP_256:
2475b1cc 411 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 412 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
8ade538b
JM		 413 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
414 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2475b1cc 415 case WLAN_CIPHER_SUITE_GCMP:
00b9cfa3 416 case WLAN_CIPHER_SUITE_GCMP_256:
2475b1cc 417 break;
e8cbb4cb 418 default:
2475b1cc 419 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 420 break;
e8cbb4cb
JB		 421 }
422
97359d12 423 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 424 params->key, params->seq_len, params->seq,
425 cs);
1ac62ba7
BH		 426 if (IS_ERR(key))
427 return PTR_ERR(key);
db4d1169 428
e31b8213
JB		 429 if (pairwise)
430 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
431
96fc6efb
AW		 432 if (params->mode == NL80211_KEY_NO_TX)
433 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
434
2475b1cc 435 mutex_lock(&local->sta_mtx);
3b96766f 436
e8cbb4cb 437 if (mac_addr) {
850092db 438 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 439 /*
440 * The ASSOC test makes sure the driver is ready to
441 * receive the key. When wpa_supplicant has roamed
442 * using FT, it attempts to set the key before
443 * association has completed, this rejects that attempt
d070f913 444 * so it will set the key again after association.
1626e0fa
JB		 445 *
446 * TODO: accept the key if we have a station entry and
447 * add it to the device after the station.
448 */
449 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 450 ieee80211_key_free_unused(key);
3b96766f
JB		 451 err = -ENOENT;
452 goto out_unlock;
db4d1169 453 }
e8cbb4cb
JB		 454 }
455
e548c49e
JB		 456 switch (sdata->vif.type) {
457 case NL80211_IFTYPE_STATION:
458 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
459 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
460 break;
461 case NL80211_IFTYPE_AP:
462 case NL80211_IFTYPE_AP_VLAN:
463 /* Keys without a station are used for TX only */
211710ca 464 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
e548c49e
JB		 465 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
466 break;
467 case NL80211_IFTYPE_ADHOC:
468 /* no MFP (yet) */
469 break;
470 case NL80211_IFTYPE_MESH_POINT:
471#ifdef CONFIG_MAC80211_MESH
472 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
473 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
474 break;
475#endif
476 case NL80211_IFTYPE_WDS:
477 case NL80211_IFTYPE_MONITOR:
478 case NL80211_IFTYPE_P2P_DEVICE:
cb3b7d87 479 case NL80211_IFTYPE_NAN:
e548c49e
JB		 480 case NL80211_IFTYPE_UNSPECIFIED:
481 case NUM_NL80211_IFTYPES:
482 case NL80211_IFTYPE_P2P_CLIENT:
483 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 484 case NL80211_IFTYPE_OCB:
e548c49e
JB		 485 /* shouldn't happen */
486 WARN_ON_ONCE(1);
487 break;
488 }
489
2475b1cc
MS		 490 if (sta)
491 sta->cipher_scheme = cs;
492
3ffc2a90 493 err = ieee80211_key_link(key, sdata, sta);
db4d1169 494
3b96766f 495 out_unlock:
2475b1cc 496 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 497
498 return err;
e8cbb4cb
JB		 499}
500
501static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 502 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 503{
5c0c3641
JB		 504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
505 struct ieee80211_local *local = sdata->local;
e8cbb4cb 506 struct sta_info *sta;
5c0c3641 507 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 508 int ret;
509
5c0c3641
JB		 510 mutex_lock(&local->sta_mtx);
511 mutex_lock(&local->key_mtx);
3b96766f 512
e8cbb4cb 513 if (mac_addr) {
3b96766f
JB		 514 ret = -ENOENT;
515
0e5ded5a 516 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 517 if (!sta)
3b96766f 518 goto out_unlock;
e8cbb4cb 519
5c0c3641 520 if (pairwise)
2475b1cc 521 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 522 else
40b275b6 523 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 524 } else
40b275b6 525 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 526
5c0c3641 527 if (!key) {
3b96766f
JB		 528 ret = -ENOENT;
529 goto out_unlock;
530 }
e8cbb4cb 531
133bf90d 532 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
e8cbb4cb 533
3b96766f
JB		 534 ret = 0;
535 out_unlock:
5c0c3641
JB		 536 mutex_unlock(&local->key_mtx);
537 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 538
539 return ret;
e8cbb4cb
JB		 540}
541
62da92fb 542static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 543 u8 key_idx, bool pairwise, const u8 *mac_addr,
544 void *cookie,
62da92fb
JB		 545 void (*callback)(void *cookie,
546 struct key_params *params))
547{
14db74bc 548 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 549 struct sta_info *sta = NULL;
550 u8 seq[6] = {0};
551 struct key_params params;
e31b8213 552 struct ieee80211_key *key = NULL;
aba83a0b 553 u64 pn64;
62da92fb
JB		 554 u32 iv32;
555 u16 iv16;
556 int err = -ENOENT;
9352c19f 557 struct ieee80211_key_seq kseq = {};
62da92fb 558
14db74bc
JB		 559 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
560
3b96766f
JB		 561 rcu_read_lock();
562
62da92fb 563 if (mac_addr) {
0e5ded5a 564 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 565 if (!sta)
566 goto out;
567
354e159d 568 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 569 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 570 else if (!pairwise &&
571 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 572 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 573 } else
a3836e02 574 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 575
576 if (!key)
577 goto out;
578
579 memset(&params, 0, sizeof(params));
580
97359d12 581 params.cipher = key->conf.cipher;
62da92fb 582
97359d12
JB		 583 switch (key->conf.cipher) {
584 case WLAN_CIPHER_SUITE_TKIP:
f8079d43
EP		 585 pn64 = atomic64_read(&key->conf.tx_pn);
586 iv32 = TKIP_PN_TO_IV32(pn64);
587 iv16 = TKIP_PN_TO_IV16(pn64);
62da92fb 588
9352c19f
JB		 589 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
590 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
591 drv_get_key_seq(sdata->local, key, &kseq);
592 iv32 = kseq.tkip.iv32;
593 iv16 = kseq.tkip.iv16;
594 }
62da92fb
JB		 595
596 seq[0] = iv16 & 0xff;
597 seq[1] = (iv16 >> 8) & 0xff;
598 seq[2] = iv32 & 0xff;
599 seq[3] = (iv32 >> 8) & 0xff;
600 seq[4] = (iv32 >> 16) & 0xff;
601 seq[5] = (iv32 >> 24) & 0xff;
602 params.seq = seq;
603 params.seq_len = 6;
604 break;
97359d12 605 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 606 case WLAN_CIPHER_SUITE_CCMP_256:
97359d12 607 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 608 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
db388a56
JB		 609 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
610 offsetof(typeof(kseq), aes_cmac));
02049ce2 611 /* fall through */
8ade538b
JM		 612 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
613 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
db388a56
JB		 614 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
615 offsetof(typeof(kseq), aes_gmac));
02049ce2 616 /* fall through */
00b9cfa3
JM		 617 case WLAN_CIPHER_SUITE_GCMP:
618 case WLAN_CIPHER_SUITE_GCMP_256:
db388a56
JB		 619 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
620 offsetof(typeof(kseq), gcmp));
621
9352c19f
JB		 622 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
623 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
624 drv_get_key_seq(sdata->local, key, &kseq);
db388a56 625 memcpy(seq, kseq.ccmp.pn, 6);
9352c19f 626 } else {
db388a56 627 pn64 = atomic64_read(&key->conf.tx_pn);
9352c19f
JB		 628 seq[0] = pn64;
629 seq[1] = pn64 >> 8;
630 seq[2] = pn64 >> 16;
631 seq[3] = pn64 >> 24;
632 seq[4] = pn64 >> 32;
633 seq[5] = pn64 >> 40;
634 }
00b9cfa3
JM		 635 params.seq = seq;
636 params.seq_len = 6;
637 break;
a31cf1c6
JB		 638 default:
639 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
640 break;
641 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
642 break;
643 drv_get_key_seq(sdata->local, key, &kseq);
644 params.seq = kseq.hw.seq;
645 params.seq_len = kseq.hw.seq_len;
646 break;
62da92fb
JB		 647 }
648
649 params.key = key->conf.key;
650 params.key_len = key->conf.keylen;
651
652 callback(cookie, &params);
653 err = 0;
654
655 out:
3b96766f 656 rcu_read_unlock();
62da92fb
JB		 657 return err;
658}
659
e8cbb4cb
JB		 660static int ieee80211_config_default_key(struct wiphy *wiphy,
661 struct net_device *dev,
dbd2fd65
JB		 662 u8 key_idx, bool uni,
663 bool multi)
e8cbb4cb 664{
ad0e2b5a 665 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 666
f7e0104c 667 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 668
669 return 0;
670}
671
3cfcf6ac
JM		 672static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
673 struct net_device *dev,
674 u8 key_idx)
675{
66c52421 676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 677
3cfcf6ac
JM		 678 ieee80211_set_default_mgmt_key(sdata, key_idx);
679
3cfcf6ac
JM		 680 return 0;
681}
682
6b62bf32
TP		 683void sta_set_rate_info_tx(struct sta_info *sta,
684 const struct ieee80211_tx_rate *rate,
685 struct rate_info *rinfo)
686{
687 rinfo->flags = 0;
8bc83c24 688 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 689 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 690 rinfo->mcs = rate->idx;
691 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
692 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
693 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
694 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
695 } else {
696 struct ieee80211_supported_band *sband;
2103dec1
SW		 697 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
698 u16 brate;
699
21a8e9dd
MSS		 700 sband = ieee80211_get_sband(sta->sdata);
701 if (sband) {
702 brate = sband->bitrates[rate->idx].bitrate;
703 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
704 }
8bc83c24 705 }
6b62bf32 706 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 707 rinfo->bw = RATE_INFO_BW_40;
708 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
709 rinfo->bw = RATE_INFO_BW_80;
710 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
711 rinfo->bw = RATE_INFO_BW_160;
712 else
713 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 714 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
715 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 716}
717
c5dd9c2b 718static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 719 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 720{
3b53fde8 721 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 722 struct ieee80211_local *local = sdata->local;
c5dd9c2b 723 struct sta_info *sta;
d0709a65
JB		 724 int ret = -ENOENT;
725
66572cfc 726 mutex_lock(&local->sta_mtx);
c5dd9c2b 727
3b53fde8 728 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 729 if (sta) {
730 ret = 0;
17741cdc 731 memcpy(mac, sta->sta.addr, ETH_ALEN);
0fdf1493 732 sta_set_sinfo(sta, sinfo, true);
d0709a65 733 }
c5dd9c2b 734
66572cfc 735 mutex_unlock(&local->sta_mtx);
c5dd9c2b 736
d0709a65 737 return ret;
c5dd9c2b
LCC		 738}
739
1289723e
HS		 740static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
741 int idx, struct survey_info *survey)
742{
743 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
744
1289723e
HS		 745 return drv_get_survey(local, idx, survey);
746}
747
7bbdd2d9 748static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 749 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 750{
abe60632 751 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 752 struct ieee80211_local *local = sdata->local;
7bbdd2d9 753 struct sta_info *sta;
d0709a65 754 int ret = -ENOENT;
7bbdd2d9 755
66572cfc 756 mutex_lock(&local->sta_mtx);
7bbdd2d9 757
0e5ded5a 758 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 759 if (sta) {
760 ret = 0;
0fdf1493 761 sta_set_sinfo(sta, sinfo, true);
d0709a65
JB		 762 }
763
66572cfc 764 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 765
766 return ret;
7bbdd2d9
JB		 767}
768
55de908a 769static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 770 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 771{
772 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 773 struct ieee80211_sub_if_data *sdata;
774 int ret = 0;
3d9e6e12 775
4bf88530 776 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 777 return 0;
3d9e6e12 778
34a3740d 779 mutex_lock(&local->mtx);
55de908a 780 if (local->use_chanctx) {
4a199068 781 sdata = rtnl_dereference(local->monitor_sdata);
55de908a
JB		 782 if (sdata) {
783 ieee80211_vif_release_channel(sdata);
4bf88530 784 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 785 IEEE80211_CHANCTX_EXCLUSIVE);
786 }
787 } else if (local->open_count == local->monitors) {
675a0b04 788 local->_oper_chandef = *chandef;
55de908a
JB		 789 ieee80211_hw_config(local, 0);
790 }
3d9e6e12 791
4bf88530
JB		 792 if (ret == 0)
793 local->monitor_chandef = *chandef;
34a3740d 794 mutex_unlock(&local->mtx);
3d9e6e12 795
55de908a 796 return ret;
e8c9bd5b
JB		 797}
798
02945821 799static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 800 const u8 *resp, size_t resp_len,
801 const struct ieee80211_csa_settings *csa)
02945821 802{
aa7a0080 803 struct probe_resp *new, *old;
02945821
AN		 804
805 if (!resp || !resp_len)
aba4e6ff 806 return 1;
02945821 807
7ca133bc 808 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 809
aa7a0080 810 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 811 if (!new)
812 return -ENOMEM;
813
aa7a0080
ES		 814 new->len = resp_len;
815 memcpy(new->data, resp, resp_len);
02945821 816
af296bdb
MK		 817 if (csa)
818 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
819 csa->n_counter_offsets_presp *
820 sizeof(new->csa_counter_offsets[0]));
821
02945821 822 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 823 if (old)
824 kfree_rcu(old, rcu_head);
02945821
AN		 825
826 return 0;
827}
828
bc847970
PKC		 829static int ieee80211_set_ftm_responder_params(
830 struct ieee80211_sub_if_data *sdata,
831 const u8 *lci, size_t lci_len,
832 const u8 *civicloc, size_t civicloc_len)
833{
834 struct ieee80211_ftm_responder_params *new, *old;
835 struct ieee80211_bss_conf *bss_conf;
836 u8 *pos;
837 int len;
838
554be833
JB		 839 if (!lci_len && !civicloc_len)
840 return 0;
bc847970
PKC		 841
842 bss_conf = &sdata->vif.bss_conf;
843 old = bss_conf->ftmr_params;
844 len = lci_len + civicloc_len;
845
846 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
847 if (!new)
848 return -ENOMEM;
849
850 pos = (u8 *)(new + 1);
851 if (lci_len) {
852 new->lci_len = lci_len;
853 new->lci = pos;
854 memcpy(pos, lci, lci_len);
855 pos += lci_len;
856 }
857
858 if (civicloc_len) {
859 new->civicloc_len = civicloc_len;
860 new->civicloc = pos;
861 memcpy(pos, civicloc, civicloc_len);
862 pos += civicloc_len;
863 }
864
865 bss_conf->ftmr_params = new;
866 kfree(old);
867
868 return 0;
869}
870
0ae07968 871static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 872 struct cfg80211_beacon_data *params,
873 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 874{
875 struct beacon_data *new, *old;
876 int new_head_len, new_tail_len;
8860020e
JB		 877 int size, err;
878 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 879
7ca133bc
SW		 880 old = sdata_dereference(sdata->u.ap.beacon, sdata);
881
5dfdaf58 882
5dfdaf58
JB		 883 /* Need to have a beacon head if we don't have one yet */
884 if (!params->head && !old)
8860020e 885 return -EINVAL;
5dfdaf58
JB		 886
887 /* new or old head? */
888 if (params->head)
889 new_head_len = params->head_len;
890 else
891 new_head_len = old->head_len;
892
893 /* new or old tail? */
894 if (params->tail || !old)
895 /* params->tail_len will be zero for !params->tail */
896 new_tail_len = params->tail_len;
897 else
898 new_tail_len = old->tail_len;
899
900 size = sizeof(*new) + new_head_len + new_tail_len;
901
902 new = kzalloc(size, GFP_KERNEL);
903 if (!new)
904 return -ENOMEM;
905
906 /* start filling the new info now */
907
5dfdaf58
JB		 908 /*
909 * pointers go into the block we allocated,
910 * memory is | beacon_data | head | tail |
911 */
912 new->head = ((u8 *) new) + sizeof(*new);
913 new->tail = new->head + new_head_len;
914 new->head_len = new_head_len;
915 new->tail_len = new_tail_len;
916
af296bdb
MK		 917 if (csa) {
918 new->csa_current_counter = csa->count;
919 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
920 csa->n_counter_offsets_beacon *
921 sizeof(new->csa_counter_offsets[0]));
922 }
923
5dfdaf58
JB		 924 /* copy in head */
925 if (params->head)
926 memcpy(new->head, params->head, new_head_len);
927 else
928 memcpy(new->head, old->head, new_head_len);
929
930 /* copy in optional tail */
931 if (params->tail)
932 memcpy(new->tail, params->tail, new_tail_len);
933 else
934 if (old)
935 memcpy(new->tail, old->tail, new_tail_len);
936
02945821 937 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 938 params->probe_resp_len, csa);
8860020e
JB		 939 if (err < 0)
940 return err;
941 if (err == 0)
02945821
AN		 942 changed |= BSS_CHANGED_AP_PROBE_RESP;
943
bc847970
PKC		 944 if (params->ftm_responder != -1) {
945 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
946 err = ieee80211_set_ftm_responder_params(sdata,
947 params->lci,
948 params->lci_len,
949 params->civicloc,
950 params->civicloc_len);
951
952 if (err < 0)
953 return err;
954
955 changed |= BSS_CHANGED_FTM_RESPONDER;
956 }
957
8860020e
JB		 958 rcu_assign_pointer(sdata->u.ap.beacon, new);
959
960 if (old)
961 kfree_rcu(old, rcu_head);
7827493b 962
8860020e 963 return changed;
5dfdaf58
JB		 964}
965
8860020e
JB		 966static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
967 struct cfg80211_ap_settings *params)
5dfdaf58 968{
8860020e 969 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 970 struct ieee80211_local *local = sdata->local;
5dfdaf58 971 struct beacon_data *old;
665c93a9 972 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 973 u32 changed = BSS_CHANGED_BEACON_INT |
974 BSS_CHANGED_BEACON_ENABLED |
975 BSS_CHANGED_BEACON |
339afbf4 976 BSS_CHANGED_SSID |
4bcc56bb 977 BSS_CHANGED_P2P_PS |
a0de1ca3
JC		 978 BSS_CHANGED_TXPOWER |
979 BSS_CHANGED_TWT;
8860020e 980 int err;
83e37e0b 981 int prev_beacon_int;
14db74bc 982
7ca133bc 983 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 984 if (old)
985 return -EALREADY;
986
f6993174
EP		 987 switch (params->smps_mode) {
988 case NL80211_SMPS_OFF:
989 sdata->smps_mode = IEEE80211_SMPS_OFF;
990 break;
991 case NL80211_SMPS_STATIC:
992 sdata->smps_mode = IEEE80211_SMPS_STATIC;
993 break;
994 case NL80211_SMPS_DYNAMIC:
995 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
996 break;
997 default:
998 return -EINVAL;
999 }
b3dd8279
EG		 1000 sdata->u.ap.req_smps = sdata->smps_mode;
1001
04ecd257
JB		 1002 sdata->needed_rx_chains = sdata->local->rx_chains;
1003
83e37e0b 1004 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
ac668afe
JB		 1005 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1006
34fb190e
ST		 1007 if (params->he_cap)
1008 sdata->vif.bss_conf.he_support = true;
1009
34a3740d 1010 mutex_lock(&local->mtx);
4bf88530 1011 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 1012 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 1013 if (!err)
1014 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 1015 mutex_unlock(&local->mtx);
83e37e0b
RP		 1016 if (err) {
1017 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
aa430da4 1018 return err;
83e37e0b 1019 }
aa430da4 1020
665c93a9
JB		 1021 /*
1022 * Apply control port protocol, this allows us to
1023 * not encrypt dynamic WEP control frames.
1024 */
1025 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1026 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
018f6fbf
DK		 1027 sdata->control_port_over_nl80211 =
1028 params->crypto.control_port_over_nl80211;
2475b1cc
MS		 1029 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1030 &params->crypto,
1031 sdata->vif.type);
1032
665c93a9
JB		 1033 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1034 vlan->control_port_protocol =
1035 params->crypto.control_port_ethertype;
1036 vlan->control_port_no_encrypt =
1037 params->crypto.control_port_no_encrypt;
018f6fbf
DK		 1038 vlan->control_port_over_nl80211 =
1039 params->crypto.control_port_over_nl80211;
2475b1cc
MS		 1040 vlan->encrypt_headroom =
1041 ieee80211_cs_headroom(sdata->local,
1042 &params->crypto,
1043 vlan->vif.type);
665c93a9
JB		 1044 }
1045
8860020e 1046 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 1047 sdata->vif.bss_conf.enable_beacon = true;
52cfa1d6 1048 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
a0de1ca3 1049 sdata->vif.bss_conf.twt_responder = params->twt_responder;
8860020e
JB		 1050
1051 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1052 if (params->ssid_len)
1053 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1054 params->ssid_len);
1055 sdata->vif.bss_conf.hidden_ssid =
1056 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1057
67baf663
JD		 1058 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1059 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1060 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1061 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1062 if (params->p2p_opp_ps)
1063 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1064 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 1065
af296bdb 1066 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 1067 if (err < 0) {
1068 ieee80211_vif_release_channel(sdata);
8860020e 1069 return err;
0297ea17 1070 }
8860020e
JB		 1071 changed |= err;
1072
1041638f
JB		 1073 err = drv_start_ap(sdata->local, sdata);
1074 if (err) {
7ca133bc
SW		 1075 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1076
1041638f
JB		 1077 if (old)
1078 kfree_rcu(old, rcu_head);
1079 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 1080 ieee80211_vif_release_channel(sdata);
1041638f
JB		 1081 return err;
1082 }
1083
057d5f4b 1084 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 1085 ieee80211_bss_info_change_notify(sdata, changed);
1086
3edaf3e6
JB		 1087 netif_carrier_on(dev);
1088 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1089 netif_carrier_on(vlan->dev);
1090
665c93a9 1091 return 0;
5dfdaf58
JB		 1092}
1093
8860020e
JB		 1094static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1095 struct cfg80211_beacon_data *params)
5dfdaf58 1096{
14db74bc 1097 struct ieee80211_sub_if_data *sdata;
5dfdaf58 1098 struct beacon_data *old;
8860020e 1099 int err;
5dfdaf58 1100
14db74bc 1101 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 1102 sdata_assert_lock(sdata);
14db74bc 1103
73da7d5b
SW		 1104 /* don't allow changing the beacon while CSA is in place - offset
1105 * of channel switch counter may change
1106 */
1107 if (sdata->vif.csa_active)
1108 return -EBUSY;
1109
7ca133bc 1110 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 1111 if (!old)
1112 return -ENOENT;
1113
af296bdb 1114 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 1115 if (err < 0)
1116 return err;
1117 ieee80211_bss_info_change_notify(sdata, err);
1118 return 0;
5dfdaf58
JB		 1119}
1120
8860020e 1121static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1122{
7b20b8e8
JB		 1123 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1124 struct ieee80211_sub_if_data *vlan;
1125 struct ieee80211_local *local = sdata->local;
1126 struct beacon_data *old_beacon;
1127 struct probe_resp *old_probe_resp;
d2859df5 1128 struct cfg80211_chan_def chandef;
14db74bc 1129
dbd72850
MK		 1130 sdata_assert_lock(sdata);
1131
7ca133bc 1132 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 1133 if (!old_beacon)
5dfdaf58 1134 return -ENOENT;
7ca133bc 1135 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 1136
73da7d5b 1137 /* abort any running channel switch */
59af6928 1138 mutex_lock(&local->mtx);
73da7d5b 1139 sdata->vif.csa_active = false;
a46992b4
LC		 1140 if (sdata->csa_block_tx) {
1141 ieee80211_wake_vif_queues(local, sdata,
1142 IEEE80211_QUEUE_STOP_REASON_CSA);
1143 sdata->csa_block_tx = false;
1144 }
1145
59af6928
MK		 1146 mutex_unlock(&local->mtx);
1147
1f3b8a2b
SW		 1148 kfree(sdata->u.ap.next_beacon);
1149 sdata->u.ap.next_beacon = NULL;
1150
7b20b8e8 1151 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1152 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1153 netif_carrier_off(vlan->dev);
1154 netif_carrier_off(dev);
1155
7b20b8e8 1156 /* remove beacon and probe response */
a9b3cd7f 1157 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1158 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1159 kfree_rcu(old_beacon, rcu_head);
1160 if (old_probe_resp)
1161 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 1162 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 1163
bc847970
PKC		 1164 kfree(sdata->vif.bss_conf.ftmr_params);
1165 sdata->vif.bss_conf.ftmr_params = NULL;
1166
e716251d 1167 __sta_info_flush(sdata, true);
7907c7d3 1168 ieee80211_free_keys(sdata, true);
75de9113 1169
d6a83228 1170 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1171 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1172 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1173 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1174
a6b368f6 1175 if (sdata->wdev.cac_started) {
d2859df5 1176 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 1177 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 1178 cfg80211_cac_event(sdata->dev, &chandef,
1179 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 1180 GFP_KERNEL);
1181 }
1182
1041638f
JB		 1183 drv_stop_ap(sdata->local, sdata);
1184
7b20b8e8
JB		 1185 /* free all potentially still buffered bcast frames */
1186 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
6b07d9ca 1187 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
7b20b8e8 1188
34a3740d 1189 mutex_lock(&local->mtx);
4e141dad 1190 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 1191 ieee80211_vif_release_channel(sdata);
34a3740d 1192 mutex_unlock(&local->mtx);
55de908a 1193
2d0ddec5 1194 return 0;
5dfdaf58
JB		 1195}
1196
d582cffb
JB		 1197static int sta_apply_auth_flags(struct ieee80211_local *local,
1198 struct sta_info *sta,
1199 u32 mask, u32 set)
1200{
1201 int ret;
1202
1203 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1204 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1205 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1206 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1207 if (ret)
1208 return ret;
1209 }
1210
1211 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1212 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1213 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1214 /*
1215 * When peer becomes associated, init rate control as
1216 * well. Some drivers require rate control initialized
1217 * before drv_sta_state() is called.
1218 */
44674d9c 1219 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
c23e31cf
MP		 1220 rate_control_rate_init(sta);
1221
d582cffb
JB		 1222 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1223 if (ret)
1224 return ret;
1225 }
1226
1227 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1228 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1229 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1230 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1231 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1232 else
1233 ret = 0;
1234 if (ret)
1235 return ret;
1236 }
1237
1238 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1239 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1240 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1241 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1242 if (ret)
1243 return ret;
1244 }
1245
1246 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1247 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1248 test_sta_flag(sta, WLAN_STA_AUTH)) {
1249 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1250 if (ret)
1251 return ret;
1252 }
1253
1254 return 0;
1255}
1256
13657702
JB		 1257static void sta_apply_mesh_params(struct ieee80211_local *local,
1258 struct sta_info *sta,
1259 struct station_parameters *params)
1260{
1261#ifdef CONFIG_MAC80211_MESH
1262 struct ieee80211_sub_if_data *sdata = sta->sdata;
1263 u32 changed = 0;
1264
1265 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1266 switch (params->plink_state) {
1267 case NL80211_PLINK_ESTAB:
1268 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1269 changed = mesh_plink_inc_estab_count(sdata);
1270 sta->mesh->plink_state = params->plink_state;
7d27a0ba 1271 sta->mesh->aid = params->peer_aid;
13657702
JB		 1272
1273 ieee80211_mps_sta_status_update(sta);
1274 changed |= ieee80211_mps_set_sta_local_pm(sta,
1275 sdata->u.mesh.mshcfg.power_mode);
67fc0554
JH		 1276
1277 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1278 /* init at low value */
1279 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1280
13657702
JB		 1281 break;
1282 case NL80211_PLINK_LISTEN:
1283 case NL80211_PLINK_BLOCKED:
1284 case NL80211_PLINK_OPN_SNT:
1285 case NL80211_PLINK_OPN_RCVD:
1286 case NL80211_PLINK_CNF_RCVD:
1287 case NL80211_PLINK_HOLDING:
1288 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1289 changed = mesh_plink_dec_estab_count(sdata);
1290 sta->mesh->plink_state = params->plink_state;
1291
1292 ieee80211_mps_sta_status_update(sta);
1293 changed |= ieee80211_mps_set_sta_local_pm(sta,
1294 NL80211_MESH_POWER_UNKNOWN);
1295 break;
1296 default:
1297 /* nothing */
1298 break;
1299 }
1300 }
1301
1302 switch (params->plink_action) {
1303 case NL80211_PLINK_ACTION_NO_ACTION:
1304 /* nothing */
1305 break;
1306 case NL80211_PLINK_ACTION_OPEN:
1307 changed |= mesh_plink_open(sta);
1308 break;
1309 case NL80211_PLINK_ACTION_BLOCK:
1310 changed |= mesh_plink_block(sta);
1311 break;
1312 }
1313
1314 if (params->local_pm)
1315 changed |= ieee80211_mps_set_sta_local_pm(sta,
1316 params->local_pm);
1317
1318 ieee80211_mbss_info_change_notify(sdata, changed);
1319#endif
1320}
1321
d9a7ddb0
JB		 1322static int sta_apply_parameters(struct ieee80211_local *local,
1323 struct sta_info *sta,
1324 struct station_parameters *params)
4fd6931e 1325{
d9a7ddb0 1326 int ret = 0;
8318d78a 1327 struct ieee80211_supported_band *sband;
d0709a65 1328 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 1329 u32 mask, set;
4fd6931e 1330
21a8e9dd
MSS		 1331 sband = ieee80211_get_sband(sdata);
1332 if (!sband)
1333 return -EINVAL;
ae5eb026 1334
eccb8e8f
JB		 1335 mask = params->sta_flags_mask;
1336 set = params->sta_flags_set;
73651ee6 1337
d582cffb
JB		 1338 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1339 /*
1340 * In mesh mode, ASSOCIATED isn't part of the nl80211
1341 * API but must follow AUTHENTICATED for driver state.
1342 */
1343 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1344 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1345 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1346 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1347 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1348 /*
1349 * TDLS -- everything follows authorized, but
1350 * only becoming authorized is possible, not
1351 * going back
1352 */
1353 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1354 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1355 BIT(NL80211_STA_FLAG_ASSOCIATED);
1356 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1357 BIT(NL80211_STA_FLAG_ASSOCIATED);
1358 }
eccb8e8f 1359 }
4fd6931e 1360
2c44be81
JB		 1361 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1362 local->hw.queues >= IEEE80211_NUM_ACS)
1363 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1364
44674d9c
AB		 1365 /* auth flags will be set later for TDLS,
1366 * and for unassociated stations that move to assocaited */
1367 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1368 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1369 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
68885a54
AN		 1370 ret = sta_apply_auth_flags(local, sta, mask, set);
1371 if (ret)
1372 return ret;
1373 }
d9a7ddb0 1374
eccb8e8f 1375 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1376 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1377 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1378 else
1379 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1380 }
4fd6931e 1381
eccb8e8f 1382 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
93f0490e 1383 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1384 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1385 set_sta_flag(sta, WLAN_STA_MFP);
1386 else
1387 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1388 }
b39c48fa 1389
07ba55d7 1390 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1391 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1392 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1393 else
1394 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1395 }
4fd6931e 1396
9041c1fa
AN		 1397 /* mark TDLS channel switch support, if the AP allows it */
1398 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1399 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1400 params->ext_capab_len >= 4 &&
1401 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1402 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1403
b98fb44f 1404 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
82c0cc90 1405 !sdata->u.mgd.tdls_wider_bw_prohibited &&
b98fb44f
AN		 1406 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1407 params->ext_capab_len >= 8 &&
1408 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1409 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1410
3b9ce80c
JB		 1411 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1412 sta->sta.uapsd_queues = params->uapsd_queues;
1413 sta->sta.max_sp = params->max_sp;
1414 }
9533b4ac 1415
506bcfa8
EG		 1416 /* The sender might not have sent the last bit, consider it to be 0 */
1417 if (params->ext_capab_len >= 8) {
1418 u8 val = (params->ext_capab[7] &
1419 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1420
1421 /* we did get all the bits, take the MSB as well */
1422 if (params->ext_capab_len >= 9) {
1423 u8 val_msb = params->ext_capab[8] &
1424 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1425 val_msb <<= 1;
1426 val |= val_msb;
1427 }
1428
1429 switch (val) {
1430 case 1:
1431 sta->sta.max_amsdu_subframes = 32;
1432 break;
1433 case 2:
1434 sta->sta.max_amsdu_subframes = 16;
1435 break;
1436 case 3:
1437 sta->sta.max_amsdu_subframes = 8;
1438 break;
1439 default:
1440 sta->sta.max_amsdu_subframes = 0;
1441 }
1442 }
1443
51b50fbe
JB		 1444 /*
1445 * cfg80211 validates this (1-2007) and allows setting the AID
1446 * only when creating a new station entry
1447 */
1448 if (params->aid)
1449 sta->sta.aid = params->aid;
1450
73651ee6 1451 /*
ba23d206
JB		 1452 * Some of the following updates would be racy if called on an
1453 * existing station, via ieee80211_change_station(). However,
1454 * all such changes are rejected by cfg80211 except for updates
1455 * changing the supported rates on an existing but not yet used
1456 * TDLS peer.
73651ee6
JB		 1457 */
1458
4fd6931e
JB		 1459 if (params->listen_interval >= 0)
1460 sta->listen_interval = params->listen_interval;
1461
ba905bf4
ARN		 1462 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1463 sta->sta.txpwr.type = params->txpwr.type;
1464 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1465 sta->sta.txpwr.power = params->txpwr.power;
1466 ret = drv_sta_set_txpwr(local, sdata, sta);
1467 if (ret)
1468 return ret;
1469 }
1470
bd718fc1 1471 if (params->supported_rates && params->supported_rates_len) {
2103dec1
SW		 1472 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1473 sband, params->supported_rates,
1474 params->supported_rates_len,
21a8e9dd 1475 &sta->sta.supp_rates[sband->band]);
4fd6931e 1476 }
c5dd9c2b 1477
d9fe60de 1478 if (params->ht_capa)
ef96a842 1479 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1480 params->ht_capa, sta);
36aedc90 1481
506bcfa8 1482 /* VHT can override some HT caps such as the A-MSDU max length */
f461be3e
MP		 1483 if (params->vht_capa)
1484 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1485 params->vht_capa, sta);
f461be3e 1486
41cbb0f5
LC		 1487 if (params->he_capa)
1488 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1489 (void *)params->he_capa,
1490 params->he_capa_len, sta);
1491
b1bce14a 1492 if (params->opmode_notif_used) {
b1bce14a
MK		 1493 /* returned value is only needed for rc update, but the
1494 * rc isn't initialized here yet, so ignore it
1495 */
21a8e9dd
MSS		 1496 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1497 sband->band);
b1bce14a
MK		 1498 }
1499
52cfa1d6
AB		 1500 if (params->support_p2p_ps >= 0)
1501 sta->sta.support_p2p_ps = params->support_p2p_ps;
1502
13657702
JB		 1503 if (ieee80211_vif_is_mesh(&sdata->vif))
1504 sta_apply_mesh_params(local, sta, params);
d9a7ddb0 1505
b4809e94
THJ		 1506 if (params->airtime_weight)
1507 sta->airtime_weight = params->airtime_weight;
1508
68885a54 1509 /* set the STA state after all sta info from usermode has been set */
44674d9c
AB		 1510 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1511 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
68885a54
AN		 1512 ret = sta_apply_auth_flags(local, sta, mask, set);
1513 if (ret)
1514 return ret;
1515 }
1516
d9a7ddb0 1517 return 0;
4fd6931e
JB		 1518}
1519
1520static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1521 const u8 *mac,
1522 struct station_parameters *params)
4fd6931e 1523{
14db74bc 1524 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1525 struct sta_info *sta;
1526 struct ieee80211_sub_if_data *sdata;
73651ee6 1527 int err;
b8d476c8 1528 int layer2_update;
4fd6931e 1529
4fd6931e
JB		 1530 if (params->vlan) {
1531 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1532
05c914fe
JB		 1533 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1534 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1535 return -EINVAL;
1536 } else
1537 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1538
b203ca39 1539 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1540 return -EINVAL;
1541
1542 if (is_multicast_ether_addr(mac))
1543 return -EINVAL;
1544
1545 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1546 if (!sta)
1547 return -ENOMEM;
4fd6931e 1548
44674d9c
AB		 1549 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1550 sta->sta.tdls = true;
4fd6931e 1551
7ed52853
BP		 1552 if (sta->sta.tdls && sdata->vif.type == NL80211_IFTYPE_STATION &&
1553 !sdata->u.mgd.associated)
1554 return -EINVAL;
1555
d9a7ddb0
JB		 1556 err = sta_apply_parameters(local, sta, params);
1557 if (err) {
1558 sta_info_free(local, sta);
1559 return err;
1560 }
4fd6931e 1561
d64cf63e 1562 /*
44674d9c
AB		 1563 * for TDLS and for unassociated station, rate control should be
1564 * initialized only when rates are known and station is marked
1565 * authorized/associated
d64cf63e 1566 */
44674d9c
AB		 1567 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1568 test_sta_flag(sta, WLAN_STA_ASSOC))
d64cf63e 1569 rate_control_rate_init(sta);
4fd6931e 1570
b8d476c8
JM		 1571 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1572 sdata->vif.type == NL80211_IFTYPE_AP;
1573
34e89507 1574 err = sta_info_insert_rcu(sta);
73651ee6 1575 if (err) {
73651ee6
JB		 1576 rcu_read_unlock();
1577 return err;
1578 }
1579
b8d476c8 1580 if (layer2_update)
30ca1aa5 1581 cfg80211_send_layer2_update(sta->sdata->dev, sta->sta.addr);
73651ee6
JB		 1582
1583 rcu_read_unlock();
1584
4fd6931e
JB		 1585 return 0;
1586}
1587
1588static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1589 struct station_del_parameters *params)
4fd6931e 1590{
14db74bc 1591 struct ieee80211_sub_if_data *sdata;
4fd6931e 1592
14db74bc
JB		 1593 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1594
89c771e5
JM		 1595 if (params->mac)
1596 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1597
b998e8bb 1598 sta_info_flush(sdata);
4fd6931e
JB		 1599 return 0;
1600}
1601
1602static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1603 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1604 struct station_parameters *params)
1605{
abe60632 1606 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1607 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1608 struct sta_info *sta;
1609 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1610 enum cfg80211_station_type statype;
35b88623 1611 int err;
4fd6931e 1612
87be1e1e 1613 mutex_lock(&local->sta_mtx);
98dd6a57 1614
0e5ded5a 1615 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1616 if (!sta) {
77ee7c89
JB		 1617 err = -ENOENT;
1618 goto out_err;
98dd6a57 1619 }
4fd6931e 1620
77ee7c89
JB		 1621 switch (sdata->vif.type) {
1622 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1623 if (sdata->u.mesh.user_mpm)
eef941e6 1624 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1625 else
eef941e6 1626 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1627 break;
1628 case NL80211_IFTYPE_ADHOC:
1629 statype = CFG80211_STA_IBSS;
1630 break;
1631 case NL80211_IFTYPE_STATION:
1632 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1633 statype = CFG80211_STA_AP_STA;
1634 break;
1635 }
1636 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1637 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1638 else
1639 statype = CFG80211_STA_TDLS_PEER_SETUP;
1640 break;
1641 case NL80211_IFTYPE_AP:
1642 case NL80211_IFTYPE_AP_VLAN:
44674d9c
AB		 1643 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1644 statype = CFG80211_STA_AP_CLIENT;
1645 else
1646 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
77ee7c89
JB		 1647 break;
1648 default:
1649 err = -EOPNOTSUPP;
1650 goto out_err;
bdd90d5e
JB		 1651 }
1652
77ee7c89
JB		 1653 err = cfg80211_check_station_change(wiphy, params, statype);
1654 if (err)
1655 goto out_err;
1656
d0709a65 1657 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 1658 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1659
9bc383de 1660 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1661 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1662 err = -EBUSY;
1663 goto out_err;
3305443c 1664 }
f14543ee 1665
cf778b00 1666 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
49ddf8e6 1667 __ieee80211_check_fast_rx_iface(vlansdata);
7e3ed02c
FF		 1668 }
1669
1670 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
72f15d53 1671 sta->sdata->u.vlan.sta)
0c2bef46 1672 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
72f15d53
MB		 1673
1674 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1675 ieee80211_vif_dec_num_mcast(sta->sdata);
f14543ee 1676
14db74bc 1677 sta->sdata = vlansdata;
464daaf0 1678 ieee80211_check_fast_xmit(sta);
7e3ed02c 1679
72f15d53
MB		 1680 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1681 ieee80211_vif_inc_num_mcast(sta->sdata);
7e3ed02c 1682
30ca1aa5 1683 cfg80211_send_layer2_update(sta->sdata->dev, sta->sta.addr);
4fd6931e
JB		 1684 }
1685
35b88623 1686 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1687 if (err)
1688 goto out_err;
4fd6931e 1689
87be1e1e 1690 mutex_unlock(&local->sta_mtx);
98dd6a57 1691
687da132
EG		 1692 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1693 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1694 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1695 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1696 sta_info_tx_streams(sta) != 1) {
1697 ht_dbg(sta->sdata,
1698 "%pM just authorized and MIMO capable - update SMPS\n",
1699 sta->sta.addr);
1700 ieee80211_send_smps_action(sta->sdata,
1701 sta->sdata->bss->req_smps,
1702 sta->sta.addr,
1703 sta->sdata->vif.bss_conf.bssid);
1704 }
1705
808118cb 1706 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1707 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4a733ef1 1708 ieee80211_recalc_ps(local);
ab095877
EP		 1709 ieee80211_recalc_ps_vif(sdata);
1710 }
77ee7c89 1711
4fd6931e 1712 return 0;
77ee7c89
JB		 1713out_err:
1714 mutex_unlock(&local->sta_mtx);
1715 return err;
4fd6931e
JB		 1716}
1717
c5dd9c2b
LCC		 1718#ifdef CONFIG_MAC80211_MESH
1719static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1720 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1721{
14db74bc 1722 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1723 struct mesh_path *mpath;
1724 struct sta_info *sta;
c5dd9c2b 1725
14db74bc
JB		 1726 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1727
d0709a65 1728 rcu_read_lock();
abe60632 1729 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1730 if (!sta) {
1731 rcu_read_unlock();
c5dd9c2b 1732 return -ENOENT;
d0709a65 1733 }
c5dd9c2b 1734
ae76eef0
BC		 1735 mpath = mesh_path_add(sdata, dst);
1736 if (IS_ERR(mpath)) {
d0709a65 1737 rcu_read_unlock();
ae76eef0 1738 return PTR_ERR(mpath);
d0709a65 1739 }
c5dd9c2b 1740
c5dd9c2b 1741 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1742
c5dd9c2b
LCC		 1743 rcu_read_unlock();
1744 return 0;
1745}
1746
1747static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1748 const u8 *dst)
c5dd9c2b 1749{
f698d856
JBG		 1750 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1751
c5dd9c2b 1752 if (dst)
bf7cd94d 1753 return mesh_path_del(sdata, dst);
c5dd9c2b 1754
ece1a2e7 1755 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1756 return 0;
1757}
1758
3b3a0162
JB		 1759static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1760 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1761{
14db74bc 1762 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1763 struct mesh_path *mpath;
1764 struct sta_info *sta;
1765
14db74bc
JB		 1766 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1767
d0709a65
JB		 1768 rcu_read_lock();
1769
abe60632 1770 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1771 if (!sta) {
1772 rcu_read_unlock();
c5dd9c2b 1773 return -ENOENT;
d0709a65 1774 }
c5dd9c2b 1775
bf7cd94d 1776 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1777 if (!mpath) {
1778 rcu_read_unlock();
c5dd9c2b
LCC		 1779 return -ENOENT;
1780 }
1781
1782 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1783
c5dd9c2b
LCC		 1784 rcu_read_unlock();
1785 return 0;
1786}
1787
1788static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1789 struct mpath_info *pinfo)
1790{
a3836e02
JB		 1791 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1792
1793 if (next_hop_sta)
1794 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1795 else
c84a67a2 1796 eth_zero_addr(next_hop);
c5dd9c2b 1797
7ce8c7a3
LAYS		 1798 memset(pinfo, 0, sizeof(*pinfo));
1799
2bdaf386 1800 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
f5ea9120 1801
c5dd9c2b 1802 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1803 MPATH_INFO_SN |
c5dd9c2b
LCC		 1804 MPATH_INFO_METRIC |
1805 MPATH_INFO_EXPTIME |
1806 MPATH_INFO_DISCOVERY_TIMEOUT |
1807 MPATH_INFO_DISCOVERY_RETRIES |
cc241636 1808 MPATH_INFO_FLAGS |
540bbcb9
JH		 1809 MPATH_INFO_HOP_COUNT |
1810 MPATH_INFO_PATH_CHANGE;
c5dd9c2b
LCC		 1811
1812 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1813 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1814 pinfo->metric = mpath->metric;
1815 if (time_before(jiffies, mpath->exp_time))
1816 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1817 pinfo->discovery_timeout =
1818 jiffies_to_msecs(mpath->discovery_timeout);
1819 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1820 if (mpath->flags & MESH_PATH_ACTIVE)
1821 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1822 if (mpath->flags & MESH_PATH_RESOLVING)
1823 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1824 if (mpath->flags & MESH_PATH_SN_VALID)
1825 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1826 if (mpath->flags & MESH_PATH_FIXED)
1827 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1828 if (mpath->flags & MESH_PATH_RESOLVED)
1829 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
cc241636 1830 pinfo->hop_count = mpath->hop_count;
540bbcb9 1831 pinfo->path_change_count = mpath->path_change_count;
c5dd9c2b
LCC		 1832}
1833
1834static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1835 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1836
1837{
14db74bc 1838 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1839 struct mesh_path *mpath;
1840
14db74bc
JB		 1841 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1842
c5dd9c2b 1843 rcu_read_lock();
bf7cd94d 1844 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1845 if (!mpath) {
1846 rcu_read_unlock();
1847 return -ENOENT;
1848 }
1849 memcpy(dst, mpath->dst, ETH_ALEN);
1850 mpath_set_pinfo(mpath, next_hop, pinfo);
1851 rcu_read_unlock();
1852 return 0;
1853}
1854
1855static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1856 int idx, u8 *dst, u8 *next_hop,
1857 struct mpath_info *pinfo)
c5dd9c2b 1858{
14db74bc 1859 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1860 struct mesh_path *mpath;
1861
14db74bc
JB		 1862 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1863
c5dd9c2b 1864 rcu_read_lock();
bf7cd94d 1865 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1866 if (!mpath) {
1867 rcu_read_unlock();
1868 return -ENOENT;
1869 }
1870 memcpy(dst, mpath->dst, ETH_ALEN);
1871 mpath_set_pinfo(mpath, next_hop, pinfo);
1872 rcu_read_unlock();
1873 return 0;
1874}
93da9cc1 1875
a2db2ed3
HR		 1876static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1877 struct mpath_info *pinfo)
1878{
1879 memset(pinfo, 0, sizeof(*pinfo));
1880 memcpy(mpp, mpath->mpp, ETH_ALEN);
1881
2bdaf386 1882 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
a2db2ed3
HR		 1883}
1884
1885static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1886 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1887
1888{
1889 struct ieee80211_sub_if_data *sdata;
1890 struct mesh_path *mpath;
1891
1892 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1893
1894 rcu_read_lock();
1895 mpath = mpp_path_lookup(sdata, dst);
1896 if (!mpath) {
1897 rcu_read_unlock();
1898 return -ENOENT;
1899 }
1900 memcpy(dst, mpath->dst, ETH_ALEN);
1901 mpp_set_pinfo(mpath, mpp, pinfo);
1902 rcu_read_unlock();
1903 return 0;
1904}
1905
1906static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1907 int idx, u8 *dst, u8 *mpp,
1908 struct mpath_info *pinfo)
1909{
1910 struct ieee80211_sub_if_data *sdata;
1911 struct mesh_path *mpath;
1912
1913 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1914
1915 rcu_read_lock();
1916 mpath = mpp_path_lookup_by_idx(sdata, idx);
1917 if (!mpath) {
1918 rcu_read_unlock();
1919 return -ENOENT;
1920 }
1921 memcpy(dst, mpath->dst, ETH_ALEN);
1922 mpp_set_pinfo(mpath, mpp, pinfo);
1923 rcu_read_unlock();
1924 return 0;
1925}
1926
24bdd9f4 1927static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1928 struct net_device *dev,
1929 struct mesh_config *conf)
1930{
1931 struct ieee80211_sub_if_data *sdata;
1932 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1933
93da9cc1 1934 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1935 return 0;
1936}
1937
1938static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1939{
1940 return (mask >> (parm-1)) & 0x1;
1941}
1942
c80d545d
JC		 1943static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1944 const struct mesh_setup *setup)
1945{
1946 u8 *new_ie;
1947 const u8 *old_ie;
4bb62344
CYY		 1948 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1949 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1950
581a8b0f 1951 /* allocate information elements */
c80d545d 1952 new_ie = NULL;
581a8b0f 1953 old_ie = ifmsh->ie;
c80d545d 1954
581a8b0f
JC		 1955 if (setup->ie_len) {
1956 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1957 GFP_KERNEL);
1958 if (!new_ie)
1959 return -ENOMEM;
1960 }
581a8b0f
JC		 1961 ifmsh->ie_len = setup->ie_len;
1962 ifmsh->ie = new_ie;
1963 kfree(old_ie);
c80d545d
JC		 1964
1965 /* now copy the rest of the setup parameters */
1966 ifmsh->mesh_id_len = setup->mesh_id_len;
1967 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1968 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1969 ifmsh->mesh_pp_id = setup->path_sel_proto;
1970 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1971 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1972 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce 1973 ifmsh->security = IEEE80211_MESH_SEC_NONE;
0ab2e55d 1974 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
b130e5ce
JC		 1975 if (setup->is_authenticated)
1976 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1977 if (setup->is_secure)
1978 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1979
4bb62344
CYY		 1980 /* mcast rate setting in Mesh Node */
1981 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1982 sizeof(setup->mcast_rate));
ffb3cf30 1983 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1984
9bdbf04d
MP		 1985 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1986 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1987
c80d545d
JC		 1988 return 0;
1989}
1990
24bdd9f4 1991static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1992 struct net_device *dev, u32 mask,
1993 const struct mesh_config *nconf)
93da9cc1 1994{
1995 struct mesh_config *conf;
1996 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1997 struct ieee80211_if_mesh *ifmsh;
1998
93da9cc1 1999 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 2000 ifmsh = &sdata->u.mesh;
93da9cc1 2001
93da9cc1 2002 /* Set the config options which we are interested in setting */
2003 conf = &(sdata->u.mesh.mshcfg);
2004 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2005 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2006 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2007 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2008 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2009 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2010 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2011 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2012 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2013 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2014 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2015 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 2016 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 2017 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 2018 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2019 if (ifmsh->user_mpm)
2020 return -EBUSY;
93da9cc1 2021 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 2022 }
d299a1f2
JC		 2023 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2024 conf->dot11MeshNbrOffsetMaxNeighbor =
2025 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 2026 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2027 conf->dot11MeshHWMPmaxPREQretries =
2028 nconf->dot11MeshHWMPmaxPREQretries;
2029 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2030 conf->path_refresh_time = nconf->path_refresh_time;
2031 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2032 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2033 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2034 conf->dot11MeshHWMPactivePathTimeout =
2035 nconf->dot11MeshHWMPactivePathTimeout;
2036 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2037 conf->dot11MeshHWMPpreqMinInterval =
2038 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 2039 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2040 conf->dot11MeshHWMPperrMinInterval =
2041 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 2042 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2043 mask))
2044 conf->dot11MeshHWMPnetDiameterTraversalTime =
2045 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 2046 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2047 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2048 ieee80211_mesh_root_setup(ifmsh);
2049 }
16dd7267 2050 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 2051 /* our current gate announcement implementation rides on root
2052 * announcements, so require this ifmsh to also be a root node
2053 * */
2054 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 2055 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2056 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 2057 ieee80211_mesh_root_setup(ifmsh);
2058 }
16dd7267
JC		 2059 conf->dot11MeshGateAnnouncementProtocol =
2060 nconf->dot11MeshGateAnnouncementProtocol;
2061 }
a4f606ea 2062 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 2063 conf->dot11MeshHWMPRannInterval =
2064 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 2065 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2066 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 2067 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2068 /* our RSSI threshold implementation is supported only for
2069 * devices that report signal in dBm.
2070 */
30686bf7 2071 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
55335137
AN		 2072 return -ENOTSUPP;
2073 conf->rssi_threshold = nconf->rssi_threshold;
2074 }
70c33eaa
AN		 2075 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2076 conf->ht_opmode = nconf->ht_opmode;
2077 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2078 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2079 }
ac1073a6
CYY		 2080 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2081 conf->dot11MeshHWMPactivePathToRootTimeout =
2082 nconf->dot11MeshHWMPactivePathToRootTimeout;
2083 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2084 conf->dot11MeshHWMProotInterval =
2085 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 2086 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2087 conf->dot11MeshHWMPconfirmationInterval =
2088 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 2089 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2090 conf->power_mode = nconf->power_mode;
2091 ieee80211_mps_local_status_update(sdata);
2092 }
2b5e1967 2093 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 2094 conf->dot11MeshAwakeWindowDuration =
2095 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 2096 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2097 conf->plink_timeout = nconf->plink_timeout;
01d66fbd
BC		 2098 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2099 conf->dot11MeshConnectedToMeshGate =
2100 nconf->dot11MeshConnectedToMeshGate;
2b5e1967 2101 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 2102 return 0;
2103}
2104
29cbe68c
JB		 2105static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2106 const struct mesh_config *conf,
2107 const struct mesh_setup *setup)
2108{
2109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2110 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 2111 int err;
29cbe68c 2112
c80d545d
JC		 2113 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2114 err = copy_mesh_setup(ifmsh, setup);
2115 if (err)
2116 return err;
cc1d2806 2117
018f6fbf
DK		 2118 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2119
04ecd257
JB		 2120 /* can mesh use other SMPS modes? */
2121 sdata->smps_mode = IEEE80211_SMPS_OFF;
2122 sdata->needed_rx_chains = sdata->local->rx_chains;
2123
34a3740d 2124 mutex_lock(&sdata->local->mtx);
4bf88530 2125 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 2126 IEEE80211_CHANCTX_SHARED);
34a3740d 2127 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 2128 if (err)
2129 return err;
2130
2b5e1967 2131 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 2132}
2133
2134static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2135{
2136 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2137
2138 ieee80211_stop_mesh(sdata);
34a3740d 2139 mutex_lock(&sdata->local->mtx);
55de908a 2140 ieee80211_vif_release_channel(sdata);
34a3740d 2141 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 2142
2143 return 0;
2144}
c5dd9c2b
LCC		 2145#endif
2146
9f1ba906
JM		 2147static int ieee80211_change_bss(struct wiphy *wiphy,
2148 struct net_device *dev,
2149 struct bss_parameters *params)
2150{
55de908a 2151 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21a8e9dd 2152 struct ieee80211_supported_band *sband;
9f1ba906
JM		 2153 u32 changed = 0;
2154
7ca133bc 2155 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 2156 return -ENOENT;
2157
21a8e9dd
MSS		 2158 sband = ieee80211_get_sband(sdata);
2159 if (!sband)
2160 return -EINVAL;
9f1ba906 2161
9f1ba906 2162 if (params->use_cts_prot >= 0) {
bda3933a 2163 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 2164 changed |= BSS_CHANGED_ERP_CTS_PROT;
2165 }
2166 if (params->use_short_preamble >= 0) {
bda3933a 2167 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 2168 params->use_short_preamble;
2169 changed |= BSS_CHANGED_ERP_PREAMBLE;
2170 }
43d35343
FF		 2171
2172 if (!sdata->vif.bss_conf.use_short_slot &&
21a8e9dd 2173 sband->band == NL80211_BAND_5GHZ) {
43d35343
FF		 2174 sdata->vif.bss_conf.use_short_slot = true;
2175 changed |= BSS_CHANGED_ERP_SLOT;
2176 }
2177
9f1ba906 2178 if (params->use_short_slot_time >= 0) {
bda3933a 2179 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 2180 params->use_short_slot_time;
2181 changed |= BSS_CHANGED_ERP_SLOT;
2182 }
2183
90c97a04 2184 if (params->basic_rates) {
2103dec1 2185 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
21a8e9dd 2186 wiphy->bands[sband->band],
2103dec1
SW		 2187 params->basic_rates,
2188 params->basic_rates_len,
2189 &sdata->vif.bss_conf.basic_rates);
90c97a04 2190 changed |= BSS_CHANGED_BASIC_RATES;
e8e4f528 2191 ieee80211_check_rate_mask(sdata);
90c97a04
JM		 2192 }
2193
7b7b5e56
FF		 2194 if (params->ap_isolate >= 0) {
2195 if (params->ap_isolate)
2196 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2197 else
2198 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
49ddf8e6 2199 ieee80211_check_fast_rx_iface(sdata);
7b7b5e56
FF		 2200 }
2201
80d7e403
HS		 2202 if (params->ht_opmode >= 0) {
2203 sdata->vif.bss_conf.ht_operation_mode =
2204 (u16) params->ht_opmode;
2205 changed |= BSS_CHANGED_HT;
2206 }
2207
339afbf4 2208 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 2209 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2210 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2211 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2212 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2213 changed |= BSS_CHANGED_P2P_PS;
2214 }
2215
67baf663
JD		 2216 if (params->p2p_opp_ps > 0) {
2217 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2218 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2219 changed |= BSS_CHANGED_P2P_PS;
2220 } else if (params->p2p_opp_ps == 0) {
2221 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2222 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2223 changed |= BSS_CHANGED_P2P_PS;
2224 }
2225
9f1ba906
JM		 2226 ieee80211_bss_info_change_notify(sdata, changed);
2227
2228 return 0;
2229}
2230
31888487 2231static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2232 struct net_device *dev,
31888487
JM		 2233 struct ieee80211_txq_params *params)
2234{
2235 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2236 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 2237 struct ieee80211_tx_queue_params p;
2238
2239 if (!local->ops->conf_tx)
2240 return -EOPNOTSUPP;
2241
54bcbc69
JB		 2242 if (local->hw.queues < IEEE80211_NUM_ACS)
2243 return -EOPNOTSUPP;
2244
31888487
JM		 2245 memset(&p, 0, sizeof(p));
2246 p.aifs = params->aifs;
2247 p.cw_max = params->cwmax;
2248 p.cw_min = params->cwmin;
2249 p.txop = params->txop;
ab13315a
KV		 2250
2251 /*
2252 * Setting tx queue params disables u-apsd because it's only
2253 * called in master mode.
2254 */
2255 p.uapsd = false;
2256
e552af05
HD		 2257 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2258
a3304b0a
JB		 2259 sdata->tx_conf[params->ac] = p;
2260 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2261 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2262 "failed to set TX queue parameters for AC %d\n",
2263 params->ac);
31888487
JM		 2264 return -EINVAL;
2265 }
2266
7d25745d
JB		 2267 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2268
31888487
JM		 2269 return 0;
2270}
2271
665af4fc 2272#ifdef CONFIG_PM
ff1b6e69
JB		 2273static int ieee80211_suspend(struct wiphy *wiphy,
2274 struct cfg80211_wowlan *wowlan)
665af4fc 2275{
eecc4800 2276 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2277}
2278
2279static int ieee80211_resume(struct wiphy *wiphy)
2280{
2281 return __ieee80211_resume(wiphy_priv(wiphy));
2282}
2283#else
2284#define ieee80211_suspend NULL
2285#define ieee80211_resume NULL
2286#endif
2287
2a519311 2288static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2289 struct cfg80211_scan_request *req)
2290{
fd014284
JB		 2291 struct ieee80211_sub_if_data *sdata;
2292
2293 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2294
2ca27bcf
JB		 2295 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2296 case NL80211_IFTYPE_STATION:
2297 case NL80211_IFTYPE_ADHOC:
2298 case NL80211_IFTYPE_MESH_POINT:
2299 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2300 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2301 break;
2302 case NL80211_IFTYPE_P2P_GO:
2303 if (sdata->local->ops->hw_scan)
2304 break;
e9d7732e
JB		 2305 /*
2306 * FIXME: implement NoA while scanning in software,
2307 * for now fall through to allow scanning only when
2308 * beaconing hasn't been configured yet
2309 */
02049ce2 2310 /* fall through */
2ca27bcf 2311 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2312 /*
2313 * If the scan has been forced (and the driver supports
2314 * forcing), don't care about being beaconing already.
2315 * This will create problems to the attached stations (e.g. all
2316 * the frames sent while scanning on other channel will be
2317 * lost)
2318 */
2319 if (sdata->u.ap.beacon &&
2320 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2321 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2322 return -EOPNOTSUPP;
2323 break;
cb3b7d87 2324 case NL80211_IFTYPE_NAN:
2ca27bcf
JB		 2325 default:
2326 return -EOPNOTSUPP;
2327 }
2a519311
JB		 2328
2329 return ieee80211_request_scan(sdata, req);
2330}
2331
91f123f2
VK		 2332static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2333{
2334 ieee80211_scan_cancel(wiphy_priv(wiphy));
2335}
2336
79f460ca
LC		 2337static int
2338ieee80211_sched_scan_start(struct wiphy *wiphy,
2339 struct net_device *dev,
2340 struct cfg80211_sched_scan_request *req)
2341{
2342 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2343
2344 if (!sdata->local->ops->sched_scan_start)
2345 return -EOPNOTSUPP;
2346
2347 return ieee80211_request_sched_scan_start(sdata, req);
2348}
2349
2350static int
3a3ecf1d
AVS		 2351ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2352 u64 reqid)
79f460ca 2353{
0d440ea2 2354 struct ieee80211_local *local = wiphy_priv(wiphy);
79f460ca 2355
0d440ea2 2356 if (!local->ops->sched_scan_stop)
79f460ca
LC		 2357 return -EOPNOTSUPP;
2358
0d440ea2 2359 return ieee80211_request_sched_scan_stop(local);
79f460ca
LC		 2360}
2361
636a5d36
JM		 2362static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2363 struct cfg80211_auth_request *req)
2364{
77fdaa12 2365 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2366}
2367
2368static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2369 struct cfg80211_assoc_request *req)
2370{
77fdaa12 2371 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2372}
2373
2374static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2375 struct cfg80211_deauth_request *req)
636a5d36 2376{
63c9c5e7 2377 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2378}
2379
2380static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2381 struct cfg80211_disassoc_request *req)
636a5d36 2382{
63c9c5e7 2383 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2384}
2385
af8cdcd8
JB		 2386static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2387 struct cfg80211_ibss_params *params)
2388{
55de908a 2389 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2390}
2391
2392static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2393{
55de908a 2394 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2395}
2396
239281f8
RL		 2397static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2398 struct ocb_setup *setup)
2399{
2400 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2401}
2402
2403static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2404{
2405 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2406}
2407
391e53e3 2408static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
57fbcce3 2409 int rate[NUM_NL80211_BANDS])
391e53e3
AQ		 2410{
2411 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2412
9887dbf5 2413 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
57fbcce3 2414 sizeof(int) * NUM_NL80211_BANDS);
391e53e3 2415
dcbe73ca
PKC		 2416 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2417
391e53e3
AQ		 2418 return 0;
2419}
2420
b9a5f8ca
JM		 2421static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2422{
2423 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2424 int err;
b9a5f8ca 2425
f23a4780 2426 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2427 ieee80211_check_fast_xmit_all(local);
2428
f23a4780
AN		 2429 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2430
17c18bf8
JB		 2431 if (err) {
2432 ieee80211_check_fast_xmit_all(local);
f23a4780 2433 return err;
17c18bf8 2434 }
f23a4780
AN		 2435 }
2436
a4bcaf55
LB		 2437 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2438 (changed & WIPHY_PARAM_DYN_ACK)) {
2439 s16 coverage_class;
2440
2441 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2442 wiphy->coverage_class : -1;
2443 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2444
2445 if (err)
2446 return err;
2447 }
2448
b9a5f8ca 2449 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2450 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2451
24487981
JB		 2452 if (err)
2453 return err;
b9a5f8ca
JM		 2454 }
2455
8bc83c24
JB		 2456 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2457 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2458 return -EINVAL;
b9a5f8ca 2459 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2460 }
2461 if (changed & WIPHY_PARAM_RETRY_LONG) {
2462 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2463 return -EINVAL;
b9a5f8ca 2464 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2465 }
b9a5f8ca
JM		 2466 if (changed &
2467 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2468 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2469
2fe4a29a
THJ		 2470 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2471 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2472 WIPHY_PARAM_TXQ_QUANTUM))
2473 ieee80211_txq_set_params(local);
2474
b9a5f8ca
JM		 2475 return 0;
2476}
2477
7643a2c3 2478static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2479 struct wireless_dev *wdev,
fa61cf70 2480 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2481{
2482 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2483 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2484 enum nl80211_tx_power_setting txp_type = type;
2485 bool update_txp_type = false;
3a3713ec 2486 bool has_monitor = false;
7643a2c3 2487
1ea6f9c0
JB		 2488 if (wdev) {
2489 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2490
3a3713ec
PG		 2491 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2492 sdata = rtnl_dereference(local->monitor_sdata);
2493 if (!sdata)
2494 return -EOPNOTSUPP;
2495 }
2496
1ea6f9c0
JB		 2497 switch (type) {
2498 case NL80211_TX_POWER_AUTOMATIC:
2499 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2500 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2501 break;
2502 case NL80211_TX_POWER_LIMITED:
2503 case NL80211_TX_POWER_FIXED:
2504 if (mbm < 0 || (mbm % 100))
2505 return -EOPNOTSUPP;
2506 sdata->user_power_level = MBM_TO_DBM(mbm);
2507 break;
2508 }
2509
db82d8a9
LB		 2510 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2511 update_txp_type = true;
2512 sdata->vif.bss_conf.txpower_type = txp_type;
2513 }
2514
2515 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2516
2517 return 0;
2518 }
55de908a 2519
7643a2c3 2520 switch (type) {
fa61cf70 2521 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2522 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2523 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2524 break;
fa61cf70 2525 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2526 case NL80211_TX_POWER_FIXED:
2527 if (mbm < 0 || (mbm % 100))
2528 return -EOPNOTSUPP;
fa61cf70 2529 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2530 break;
7643a2c3
JB		 2531 }
2532
1ea6f9c0 2533 mutex_lock(&local->iflist_mtx);
db82d8a9 2534 list_for_each_entry(sdata, &local->interfaces, list) {
3a3713ec
PG		 2535 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2536 has_monitor = true;
2537 continue;
2538 }
1ea6f9c0 2539 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2540 if (txp_type != sdata->vif.bss_conf.txpower_type)
2541 update_txp_type = true;
2542 sdata->vif.bss_conf.txpower_type = txp_type;
2543 }
3a3713ec
PG		 2544 list_for_each_entry(sdata, &local->interfaces, list) {
2545 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2546 continue;
db82d8a9 2547 ieee80211_recalc_txpower(sdata, update_txp_type);
3a3713ec 2548 }
1ea6f9c0 2549 mutex_unlock(&local->iflist_mtx);
7643a2c3 2550
3a3713ec
PG		 2551 if (has_monitor) {
2552 sdata = rtnl_dereference(local->monitor_sdata);
2553 if (sdata) {
2554 sdata->user_power_level = local->user_power_level;
2555 if (txp_type != sdata->vif.bss_conf.txpower_type)
2556 update_txp_type = true;
2557 sdata->vif.bss_conf.txpower_type = txp_type;
2558
2559 ieee80211_recalc_txpower(sdata, update_txp_type);
2560 }
2561 }
2562
7643a2c3
JB		 2563 return 0;
2564}
2565
c8442118
JB		 2566static int ieee80211_get_tx_power(struct wiphy *wiphy,
2567 struct wireless_dev *wdev,
2568 int *dbm)
7643a2c3
JB		 2569{
2570 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2571 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2572
5b3dc42b
FF		 2573 if (local->ops->get_txpower)
2574 return drv_get_txpower(local, sdata, dbm);
2575
1ea6f9c0
JB		 2576 if (!local->use_chanctx)
2577 *dbm = local->hw.conf.power_level;
2578 else
2579 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2580
7643a2c3
JB		 2581 return 0;
2582}
2583
ab737a4f 2584static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2585 const u8 *addr)
ab737a4f
JB		 2586{
2587 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2588
2589 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2590
2591 return 0;
2592}
2593
1f87f7d3
JB		 2594static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2595{
2596 struct ieee80211_local *local = wiphy_priv(wiphy);
2597
2598 drv_rfkill_poll(local);
2599}
2600
aff89a9b 2601#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2602static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2603 struct wireless_dev *wdev,
2604 void *data, int len)
aff89a9b
JB		 2605{
2606 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2607 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2608
2609 if (!local->ops->testmode_cmd)
2610 return -EOPNOTSUPP;
2611
52981cd7
DS		 2612 if (wdev) {
2613 struct ieee80211_sub_if_data *sdata;
2614
2615 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2616 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2617 vif = &sdata->vif;
2618 }
2619
2620 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2621}
71063f0e
WYG		 2622
2623static int ieee80211_testmode_dump(struct wiphy *wiphy,
2624 struct sk_buff *skb,
2625 struct netlink_callback *cb,
2626 void *data, int len)
2627{
2628 struct ieee80211_local *local = wiphy_priv(wiphy);
2629
2630 if (!local->ops->testmode_dump)
2631 return -EOPNOTSUPP;
2632
2633 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2634}
aff89a9b
JB		 2635#endif
2636
687da132
EG		 2637int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2638 enum ieee80211_smps_mode smps_mode)
2639{
2640 struct sta_info *sta;
2641 enum ieee80211_smps_mode old_req;
687da132
EG		 2642
2643 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2644 return -EINVAL;
2645
2646 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2647 return 0;
2648
2649 old_req = sdata->u.ap.req_smps;
2650 sdata->u.ap.req_smps = smps_mode;
2651
2652 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2653 if (old_req == smps_mode ||
2654 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2655 return 0;
2656
687da132 2657 ht_dbg(sdata,
6a8b4adb 2658 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2659 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2660
2661 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2662 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2663 /*
2664 * Only stations associated to our AP and
2665 * associated VLANs
2666 */
2667 if (sta->sdata->bss != &sdata->u.ap)
2668 continue;
687da132 2669
7d9bb2f0
JB		 2670 /* This station doesn't support MIMO - skip it */
2671 if (sta_info_tx_streams(sta) == 1)
2672 continue;
687da132 2673
7d9bb2f0
JB		 2674 /*
2675 * Don't wake up a STA just to send the action frame
2676 * unless we are getting more restrictive.
2677 */
2678 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2679 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2680 smps_mode)) {
2681 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2682 sta->sta.addr);
2683 continue;
2684 }
687da132 2685
7d9bb2f0
JB		 2686 /*
2687 * If the STA is not authorized, wait until it gets
2688 * authorized and the action frame will be sent then.
2689 */
2690 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2691 continue;
687da132 2692
7d9bb2f0
JB		 2693 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2694 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2695 sdata->vif.bss_conf.bssid);
687da132
EG		 2696 }
2697 mutex_unlock(&sdata->local->sta_mtx);
2698
2699 sdata->smps_mode = smps_mode;
2700 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2701
2702 return 0;
2703}
2704
2705int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2706 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2707{
2708 const u8 *ap;
2709 enum ieee80211_smps_mode old_req;
2710 int err;
d51c2ea3
AN		 2711 struct sta_info *sta;
2712 bool tdls_peer_found = false;
0f78231b 2713
8d61ffa5 2714 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2715
687da132
EG		 2716 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2717 return -EINVAL;
2718
0f78231b
JB		 2719 old_req = sdata->u.mgd.req_smps;
2720 sdata->u.mgd.req_smps = smps_mode;
2721
2722 if (old_req == smps_mode &&
2723 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2724 return 0;
2725
2726 /*
2727 * If not associated, or current association is not an HT
04ecd257
JB		 2728 * association, there's no need to do anything, just store
2729 * the new value until we associate.
0f78231b
JB		 2730 */
2731 if (!sdata->u.mgd.associated ||
4bf88530 2732 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2733 return 0;
0f78231b 2734
0c1ad2ca 2735 ap = sdata->u.mgd.associated->bssid;
0f78231b 2736
d51c2ea3
AN		 2737 rcu_read_lock();
2738 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2739 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2740 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2741 continue;
2742
2743 tdls_peer_found = true;
2744 break;
2745 }
2746 rcu_read_unlock();
2747
0f78231b 2748 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
d51c2ea3 2749 if (tdls_peer_found || !sdata->u.mgd.powersave)
0f78231b 2750 smps_mode = IEEE80211_SMPS_OFF;
d51c2ea3
AN		 2751 else
2752 smps_mode = IEEE80211_SMPS_DYNAMIC;
0f78231b
JB		 2753 }
2754
2755 /* send SM PS frame to AP */
2756 err = ieee80211_send_smps_action(sdata, smps_mode,
2757 ap, ap);
2758 if (err)
2759 sdata->u.mgd.req_smps = old_req;
d51c2ea3
AN		 2760 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2761 ieee80211_teardown_tdls_peers(sdata);
0f78231b
JB		 2762
2763 return err;
2764}
2765
bc92afd9
JB		 2766static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2767 bool enabled, int timeout)
2768{
2769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2770 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2771
2d3db210 2772 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2773 return -EOPNOTSUPP;
2774
30686bf7 2775 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
bc92afd9
JB		 2776 return -EOPNOTSUPP;
2777
2778 if (enabled == sdata->u.mgd.powersave &&
ff616381 2779 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2780 return 0;
2781
2782 sdata->u.mgd.powersave = enabled;
ff616381 2783 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2784
0f78231b 2785 /* no change, but if automatic follow powersave */
ed405be5 2786 sdata_lock(sdata);
687da132 2787 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2788 sdata_unlock(sdata);
0f78231b 2789
30686bf7 2790 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
bc92afd9
JB		 2791 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2792
4a733ef1 2793 ieee80211_recalc_ps(local);
ab095877 2794 ieee80211_recalc_ps_vif(sdata);
1d870162 2795 ieee80211_check_fast_rx_iface(sdata);
bc92afd9
JB		 2796
2797 return 0;
2798}
2799
a97c13c3
JO		 2800static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2801 struct net_device *dev,
2802 s32 rssi_thold, u32 rssi_hyst)
2803{
2804 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2805 struct ieee80211_vif *vif = &sdata->vif;
2806 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2807
a97c13c3
JO		 2808 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2809 rssi_hyst == bss_conf->cqm_rssi_hyst)
2810 return 0;
2811
ef9be10c
JB		 2812 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2813 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2814 return -EOPNOTSUPP;
2815
a97c13c3
JO		 2816 bss_conf->cqm_rssi_thold = rssi_thold;
2817 bss_conf->cqm_rssi_hyst = rssi_hyst;
2c3c5f8c
AZ		 2818 bss_conf->cqm_rssi_low = 0;
2819 bss_conf->cqm_rssi_high = 0;
2820 sdata->u.mgd.last_cqm_event_signal = 0;
2821
2822 /* tell the driver upon association, unless already associated */
2823 if (sdata->u.mgd.associated &&
2824 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2825 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2826
2827 return 0;
2828}
2829
2830static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2831 struct net_device *dev,
2832 s32 rssi_low, s32 rssi_high)
2833{
2834 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2835 struct ieee80211_vif *vif = &sdata->vif;
2836 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2837
2838 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2839 return -EOPNOTSUPP;
2840
2841 bss_conf->cqm_rssi_low = rssi_low;
2842 bss_conf->cqm_rssi_high = rssi_high;
2843 bss_conf->cqm_rssi_thold = 0;
2844 bss_conf->cqm_rssi_hyst = 0;
babc305e 2845 sdata->u.mgd.last_cqm_event_signal = 0;
a97c13c3
JO		 2846
2847 /* tell the driver upon association, unless already associated */
ea086359
JB		 2848 if (sdata->u.mgd.associated &&
2849 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2850 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2851
2852 return 0;
2853}
2854
9930380f
JB		 2855static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2856 struct net_device *dev,
2857 const u8 *addr,
2858 const struct cfg80211_bitrate_mask *mask)
2859{
2860 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2861 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2862 int i, ret;
2c7e6bc9 2863
554a43d5
EP		 2864 if (!ieee80211_sdata_running(sdata))
2865 return -ENETDOWN;
2866
e8e4f528
JB		 2867 /*
2868 * If active validate the setting and reject it if it doesn't leave
2869 * at least one basic rate usable, since we really have to be able
2870 * to send something, and if we're an AP we have to be able to do
2871 * so at a basic rate so that all clients can receive it.
2872 */
2873 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2874 sdata->vif.bss_conf.chandef.chan) {
2875 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2876 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2877
2878 if (!(mask->control[band].legacy & basic_rates))
2879 return -EINVAL;
2880 }
2881
e5f5ce37
JB		 2882 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2883 ret = drv_set_bitrate_mask(local, sdata, mask);
2884 if (ret)
2885 return ret;
2886 }
2887
57fbcce3 2888 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2ffbe6d3
FF		 2889 struct ieee80211_supported_band *sband = wiphy->bands[i];
2890 int j;
2891
37eb0b16 2892 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2893 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2894 sizeof(mask->control[i].ht_mcs));
b119ad6e
LB		 2895 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2896 mask->control[i].vht_mcs,
2897 sizeof(mask->control[i].vht_mcs));
2ffbe6d3
FF		 2898
2899 sdata->rc_has_mcs_mask[i] = false;
b119ad6e 2900 sdata->rc_has_vht_mcs_mask[i] = false;
2ffbe6d3
FF		 2901 if (!sband)
2902 continue;
2903
b119ad6e 2904 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2df1b131 2905 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2ffbe6d3 2906 sdata->rc_has_mcs_mask[i] = true;
2df1b131
JB		 2907 break;
2908 }
2909 }
b119ad6e 2910
2df1b131
JB		 2911 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2912 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
b119ad6e 2913 sdata->rc_has_vht_mcs_mask[i] = true;
2ffbe6d3 2914 break;
2df1b131 2915 }
b119ad6e 2916 }
19468413 2917 }
9930380f 2918
37eb0b16 2919 return 0;
9930380f
JB		 2920}
2921
164eb02d
SW		 2922static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2923 struct net_device *dev,
31559f35
JD		 2924 struct cfg80211_chan_def *chandef,
2925 u32 cac_time_ms)
164eb02d
SW		 2926{
2927 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2928 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2929 int err;
2930
34a3740d
JB		 2931 mutex_lock(&local->mtx);
2932 if (!list_empty(&local->roc_list) || local->scanning) {
2933 err = -EBUSY;
2934 goto out_unlock;
2935 }
164eb02d
SW		 2936
2937 /* whatever, but channel contexts should not complain about that one */
2938 sdata->smps_mode = IEEE80211_SMPS_OFF;
2939 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2940
164eb02d
SW		 2941 err = ieee80211_vif_use_channel(sdata, chandef,
2942 IEEE80211_CHANCTX_SHARED);
164eb02d 2943 if (err)
34a3740d 2944 goto out_unlock;
164eb02d 2945
164eb02d 2946 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2947 &sdata->dfs_cac_timer_work,
2948 msecs_to_jiffies(cac_time_ms));
164eb02d 2949
34a3740d
JB		 2950 out_unlock:
2951 mutex_unlock(&local->mtx);
2952 return err;
164eb02d
SW		 2953}
2954
73da7d5b
SW		 2955static struct cfg80211_beacon_data *
2956cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2957{
2958 struct cfg80211_beacon_data *new_beacon;
2959 u8 *pos;
2960 int len;
2961
2962 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2963 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
03b73862 2964 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
73da7d5b
SW		 2965
2966 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2967 if (!new_beacon)
2968 return NULL;
2969
2970 pos = (u8 *)(new_beacon + 1);
2971 if (beacon->head_len) {
2972 new_beacon->head_len = beacon->head_len;
2973 new_beacon->head = pos;
2974 memcpy(pos, beacon->head, beacon->head_len);
2975 pos += beacon->head_len;
2976 }
2977 if (beacon->tail_len) {
2978 new_beacon->tail_len = beacon->tail_len;
2979 new_beacon->tail = pos;
2980 memcpy(pos, beacon->tail, beacon->tail_len);
2981 pos += beacon->tail_len;
2982 }
2983 if (beacon->beacon_ies_len) {
2984 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2985 new_beacon->beacon_ies = pos;
2986 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2987 pos += beacon->beacon_ies_len;
2988 }
2989 if (beacon->proberesp_ies_len) {
2990 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2991 new_beacon->proberesp_ies = pos;
2992 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2993 pos += beacon->proberesp_ies_len;
2994 }
2995 if (beacon->assocresp_ies_len) {
2996 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2997 new_beacon->assocresp_ies = pos;
2998 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2999 pos += beacon->assocresp_ies_len;
3000 }
3001 if (beacon->probe_resp_len) {
3002 new_beacon->probe_resp_len = beacon->probe_resp_len;
bee92d06 3003 new_beacon->probe_resp = pos;
73da7d5b
SW		 3004 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3005 pos += beacon->probe_resp_len;
3006 }
03b73862
JB		 3007
3008 /* might copy -1, meaning no changes requested */
3009 new_beacon->ftm_responder = beacon->ftm_responder;
bc847970
PKC		 3010 if (beacon->lci) {
3011 new_beacon->lci_len = beacon->lci_len;
3012 new_beacon->lci = pos;
3013 memcpy(pos, beacon->lci, beacon->lci_len);
3014 pos += beacon->lci_len;
3015 }
3016 if (beacon->civicloc) {
3017 new_beacon->civicloc_len = beacon->civicloc_len;
3018 new_beacon->civicloc = pos;
3019 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3020 pos += beacon->civicloc_len;
3021 }
73da7d5b
SW		 3022
3023 return new_beacon;
3024}
3025
66e01cf9 3026void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 3027{
66e01cf9 3028 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 3029
66e01cf9
LC		 3030 ieee80211_queue_work(&sdata->local->hw,
3031 &sdata->csa_finalize_work);
3032}
3033EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 3034
66199506
MK		 3035static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3036 u32 *changed)
66e01cf9 3037{
66199506 3038 int err;
7578d575 3039
cd7760e6
SW		 3040 switch (sdata->vif.type) {
3041 case NL80211_IFTYPE_AP:
af296bdb
MK		 3042 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3043 NULL);
97518af1
MK		 3044 kfree(sdata->u.ap.next_beacon);
3045 sdata->u.ap.next_beacon = NULL;
3046
cd7760e6 3047 if (err < 0)
66199506
MK		 3048 return err;
3049 *changed |= err;
cd7760e6
SW		 3050 break;
3051 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 3052 err = ieee80211_ibss_finish_csa(sdata);
3053 if (err < 0)
66199506
MK		 3054 return err;
3055 *changed |= err;
cd7760e6 3056 break;
b8456a14
CYY		 3057#ifdef CONFIG_MAC80211_MESH
3058 case NL80211_IFTYPE_MESH_POINT:
3059 err = ieee80211_mesh_finish_csa(sdata);
3060 if (err < 0)
66199506
MK		 3061 return err;
3062 *changed |= err;
b8456a14
CYY		 3063 break;
3064#endif
cd7760e6
SW		 3065 default:
3066 WARN_ON(1);
66199506
MK		 3067 return -EINVAL;
3068 }
3069
3070 return 0;
3071}
3072
cf8767dd 3073static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 3074{
3075 struct ieee80211_local *local = sdata->local;
3076 u32 changed = 0;
3077 int err;
3078
3079 sdata_assert_lock(sdata);
3080 lockdep_assert_held(&local->mtx);
03078de4 3081 lockdep_assert_held(&local->chanctx_mtx);
66199506 3082
03078de4
MK		 3083 /*
3084 * using reservation isn't immediate as it may be deferred until later
3085 * with multi-vif. once reservation is complete it will re-schedule the
3086 * work with no reserved_chanctx so verify chandef to check if it
3087 * completed successfully
3088 */
66199506 3089
03078de4
MK		 3090 if (sdata->reserved_chanctx) {
3091 /*
3092 * with multi-vif csa driver may call ieee80211_csa_finish()
3093 * many times while waiting for other interfaces to use their
3094 * reservations
3095 */
3096 if (sdata->reserved_ready)
3097 return 0;
3098
408b18ab 3099 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 3100 }
73da7d5b 3101
03078de4
MK		 3102 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3103 &sdata->csa_chandef))
3104 return -EINVAL;
3105
66199506
MK		 3106 sdata->vif.csa_active = false;
3107
3108 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3109 if (err)
cf8767dd 3110 return err;
faf046e7 3111
66199506 3112 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 3113
a46992b4
LC		 3114 if (sdata->csa_block_tx) {
3115 ieee80211_wake_vif_queues(local, sdata,
3116 IEEE80211_QUEUE_STOP_REASON_CSA);
3117 sdata->csa_block_tx = false;
3118 }
cf8767dd 3119
f1d65583
LC		 3120 err = drv_post_channel_switch(sdata);
3121 if (err)
3122 return err;
3123
3124 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3125
cf8767dd
MK		 3126 return 0;
3127}
3128
3129static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3130{
3131 if (__ieee80211_csa_finalize(sdata)) {
3132 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3133 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3134 GFP_KERNEL);
3135 }
66e01cf9
LC		 3136}
3137
3138void ieee80211_csa_finalize_work(struct work_struct *work)
3139{
3140 struct ieee80211_sub_if_data *sdata =
3141 container_of(work, struct ieee80211_sub_if_data,
3142 csa_finalize_work);
59af6928 3143 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 3144
3145 sdata_lock(sdata);
59af6928 3146 mutex_lock(&local->mtx);
03078de4 3147 mutex_lock(&local->chanctx_mtx);
59af6928 3148
66e01cf9
LC		 3149 /* AP might have been stopped while waiting for the lock. */
3150 if (!sdata->vif.csa_active)
3151 goto unlock;
3152
3153 if (!ieee80211_sdata_running(sdata))
3154 goto unlock;
3155
3156 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3157
3158unlock:
03078de4 3159 mutex_unlock(&local->chanctx_mtx);
59af6928 3160 mutex_unlock(&local->mtx);
e487eaeb 3161 sdata_unlock(sdata);
73da7d5b
SW		 3162}
3163
37fa2bdd
MK		 3164static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3165 struct cfg80211_csa_settings *params,
3166 u32 *changed)
73da7d5b 3167{
af296bdb 3168 struct ieee80211_csa_settings csa = {};
37fa2bdd 3169 int err;
73da7d5b 3170
73da7d5b
SW		 3171 switch (sdata->vif.type) {
3172 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3173 sdata->u.ap.next_beacon =
3174 cfg80211_beacon_dup(&params->beacon_after);
3175 if (!sdata->u.ap.next_beacon)
3176 return -ENOMEM;
3177
66e01cf9
LC		 3178 /*
3179 * With a count of 0, we don't have to wait for any
3180 * TBTT before switching, so complete the CSA
3181 * immediately. In theory, with a count == 1 we
3182 * should delay the switch until just before the next
3183 * TBTT, but that would complicate things so we switch
3184 * immediately too. If we would delay the switch
3185 * until the next TBTT, we would have to set the probe
3186 * response here.
3187 *
3188 * TODO: A channel switch with count <= 1 without
3189 * sending a CSA action frame is kind of useless,
3190 * because the clients won't know we're changing
3191 * channels. The action frame must be implemented
3192 * either here or in the userspace.
3193 */
3194 if (params->count <= 1)
3195 break;
3196
0d06d9ba
AO		 3197 if ((params->n_counter_offsets_beacon >
3198 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3199 (params->n_counter_offsets_presp >
3200 IEEE80211_MAX_CSA_COUNTERS_NUM))
3201 return -EINVAL;
9a774c78 3202
af296bdb
MK		 3203 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3204 csa.counter_offsets_presp = params->counter_offsets_presp;
3205 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3206 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3207 csa.count = params->count;
9a774c78 3208
af296bdb 3209 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3210 if (err < 0) {
3211 kfree(sdata->u.ap.next_beacon);
3212 return err;
3213 }
37fa2bdd 3214 *changed |= err;
66e01cf9 3215
cd7760e6
SW		 3216 break;
3217 case NL80211_IFTYPE_ADHOC:
3218 if (!sdata->vif.bss_conf.ibss_joined)
3219 return -EINVAL;
3220
3221 if (params->chandef.width != sdata->u.ibss.chandef.width)
3222 return -EINVAL;
3223
3224 switch (params->chandef.width) {
3225 case NL80211_CHAN_WIDTH_40:
3226 if (cfg80211_get_chandef_type(&params->chandef) !=
3227 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3228 return -EINVAL;
3229 case NL80211_CHAN_WIDTH_5:
3230 case NL80211_CHAN_WIDTH_10:
3231 case NL80211_CHAN_WIDTH_20_NOHT:
3232 case NL80211_CHAN_WIDTH_20:
3233 break;
3234 default:
3235 return -EINVAL;
3236 }
3237
3238 /* changes into another band are not supported */
3239 if (sdata->u.ibss.chandef.chan->band !=
3240 params->chandef.chan->band)
3241 return -EINVAL;
3242
66e01cf9
LC		 3243 /* see comments in the NL80211_IFTYPE_AP block */
3244 if (params->count > 1) {
3245 err = ieee80211_ibss_csa_beacon(sdata, params);
3246 if (err < 0)
3247 return err;
37fa2bdd 3248 *changed |= err;
66e01cf9
LC		 3249 }
3250
3251 ieee80211_send_action_csa(sdata, params);
3252
73da7d5b 3253 break;
c6da674a 3254#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3255 case NL80211_IFTYPE_MESH_POINT: {
3256 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3257
c6da674a
CYY		 3258 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3259 return -EINVAL;
3260
3261 /* changes into another band are not supported */
3262 if (sdata->vif.bss_conf.chandef.chan->band !=
3263 params->chandef.chan->band)
3264 return -EINVAL;
3265
c782bf8c 3266 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3267 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3268 if (!ifmsh->pre_value)
3269 ifmsh->pre_value = 1;
3270 else
3271 ifmsh->pre_value++;
3272 }
0cb4d4dc 3273
66e01cf9
LC		 3274 /* see comments in the NL80211_IFTYPE_AP block */
3275 if (params->count > 1) {
3276 err = ieee80211_mesh_csa_beacon(sdata, params);
3277 if (err < 0) {
3278 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3279 return err;
3280 }
37fa2bdd 3281 *changed |= err;
3f718fd8 3282 }
66e01cf9
LC		 3283
3284 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3285 ieee80211_send_action_csa(sdata, params);
3286
c6da674a 3287 break;
37fa2bdd 3288 }
c6da674a 3289#endif
73da7d5b
SW		 3290 default:
3291 return -EOPNOTSUPP;
3292 }
3293
37fa2bdd
MK		 3294 return 0;
3295}
3296
f29f58a9
LC		 3297static int
3298__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3299 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3300{
3301 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3302 struct ieee80211_local *local = sdata->local;
6d027bcc 3303 struct ieee80211_channel_switch ch_switch;
2b32713d 3304 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3305 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3306 u32 changed = 0;
3307 int err;
37fa2bdd
MK		 3308
3309 sdata_assert_lock(sdata);
59af6928 3310 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3311
3312 if (!list_empty(&local->roc_list) || local->scanning)
3313 return -EBUSY;
3314
3315 if (sdata->wdev.cac_started)
3316 return -EBUSY;
3317
3318 if (cfg80211_chandef_identical(&params->chandef,
3319 &sdata->vif.bss_conf.chandef))
3320 return -EINVAL;
3321
03078de4
MK		 3322 /* don't allow another channel switch if one is already active. */
3323 if (sdata->vif.csa_active)
3324 return -EBUSY;
3325
2b32713d
MK		 3326 mutex_lock(&local->chanctx_mtx);
3327 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3328 lockdep_is_held(&local->chanctx_mtx));
3329 if (!conf) {
03078de4
MK		 3330 err = -EBUSY;
3331 goto out;
37fa2bdd
MK		 3332 }
3333
2b32713d 3334 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
37fa2bdd 3335
000baa5d
LC		 3336 ch_switch.timestamp = 0;
3337 ch_switch.device_timestamp = 0;
3338 ch_switch.block_tx = params->block_tx;
3339 ch_switch.chandef = params->chandef;
3340 ch_switch.count = params->count;
3341
6d027bcc
LC		 3342 err = drv_pre_channel_switch(sdata, &ch_switch);
3343 if (err)
3344 goto out;
3345
03078de4
MK		 3346 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3347 chanctx->mode,
3348 params->radar_required);
3349 if (err)
3350 goto out;
37fa2bdd 3351
03078de4
MK		 3352 /* if reservation is invalid then this will fail */
3353 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3354 if (err) {
3355 ieee80211_vif_unreserve_chanctx(sdata);
3356 goto out;
3357 }
37fa2bdd
MK		 3358
3359 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3360 if (err) {
3361 ieee80211_vif_unreserve_chanctx(sdata);
3362 goto out;
3363 }
37fa2bdd 3364
33787fc4 3365 sdata->csa_chandef = params->chandef;
59af6928 3366 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3367 sdata->vif.csa_active = true;
3368
59af6928 3369 if (sdata->csa_block_tx)
a46992b4
LC		 3370 ieee80211_stop_vif_queues(local, sdata,
3371 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3372
2f457293
LC		 3373 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3374 params->count);
3375
66e01cf9
LC		 3376 if (changed) {
3377 ieee80211_bss_info_change_notify(sdata, changed);
3378 drv_channel_switch_beacon(sdata, &params->chandef);
3379 } else {
3380 /* if the beacon didn't change, we can finalize immediately */
3381 ieee80211_csa_finalize(sdata);
3382 }
73da7d5b 3383
03078de4
MK		 3384out:
3385 mutex_unlock(&local->chanctx_mtx);
3386 return err;
73da7d5b
SW		 3387}
3388
59af6928
MK		 3389int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3390 struct cfg80211_csa_settings *params)
3391{
3392 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3393 struct ieee80211_local *local = sdata->local;
3394 int err;
3395
3396 mutex_lock(&local->mtx);
3397 err = __ieee80211_channel_switch(wiphy, dev, params);
3398 mutex_unlock(&local->mtx);
3399
3400 return err;
3401}
3402
a2fcfccb
JB		 3403u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3404{
3405 lockdep_assert_held(&local->mtx);
3406
3407 local->roc_cookie_counter++;
3408
3409 /* wow, you wrapped 64 bits ... more likely a bug */
3410 if (WARN_ON(local->roc_cookie_counter == 0))
3411 local->roc_cookie_counter++;
3412
3413 return local->roc_cookie_counter;
3414}
3415
5ee00dbd
JB		 3416int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3417 u64 *cookie, gfp_t gfp)
3b79af97
JB		 3418{
3419 unsigned long spin_flags;
3420 struct sk_buff *ack_skb;
3421 int id;
3422
3423 ack_skb = skb_copy(skb, gfp);
3424 if (!ack_skb)
5ee00dbd 3425 return -ENOMEM;
3b79af97
JB		 3426
3427 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3428 id = idr_alloc(&local->ack_status_frames, ack_skb,
3429 1, 0x10000, GFP_ATOMIC);
3430 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3431
3432 if (id < 0) {
3433 kfree_skb(ack_skb);
5ee00dbd 3434 return -ENOMEM;
3b79af97
JB		 3435 }
3436
3437 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3438
3439 *cookie = ieee80211_mgmt_tx_cookie(local);
3440 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3441
5ee00dbd 3442 return 0;
3b79af97
JB		 3443}
3444
7be5086d 3445static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3446 struct wireless_dev *wdev,
7be5086d
JB		 3447 u16 frame_type, bool reg)
3448{
3449 struct ieee80211_local *local = wiphy_priv(wiphy);
1b09b556 3450 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 3451
6abe0563 3452 switch (frame_type) {
6abe0563 3453 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
1b09b556 3454 if (reg) {
6abe0563 3455 local->probe_req_reg++;
1b09b556
AO		 3456 sdata->vif.probe_req_reg++;
3457 } else {
3458 if (local->probe_req_reg)
3459 local->probe_req_reg--;
3460
3461 if (sdata->vif.probe_req_reg)
3462 sdata->vif.probe_req_reg--;
3463 }
7be5086d 3464
35f5149e
FF		 3465 if (!local->open_count)
3466 break;
3467
1b09b556
AO		 3468 if (sdata->vif.probe_req_reg == 1)
3469 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3470 FIF_PROBE_REQ);
3471 else if (sdata->vif.probe_req_reg == 0)
3472 drv_config_iface_filter(local, sdata, 0,
3473 FIF_PROBE_REQ);
3474
3475 ieee80211_configure_filter(local);
6abe0563
WH		 3476 break;
3477 default:
3478 break;
3479 }
7be5086d
JB		 3480}
3481
15d96753
BR		 3482static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3483{
3484 struct ieee80211_local *local = wiphy_priv(wiphy);
3485
3486 if (local->started)
3487 return -EOPNOTSUPP;
3488
3489 return drv_set_antenna(local, tx_ant, rx_ant);
3490}
3491
3492static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3493{
3494 struct ieee80211_local *local = wiphy_priv(wiphy);
3495
3496 return drv_get_antenna(local, tx_ant, rx_ant);
3497}
3498
c68f4b89
JB		 3499static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3500 struct net_device *dev,
3501 struct cfg80211_gtk_rekey_data *data)
3502{
3503 struct ieee80211_local *local = wiphy_priv(wiphy);
3504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3505
3506 if (!local->ops->set_rekey_data)
3507 return -EOPNOTSUPP;
3508
3509 drv_set_rekey_data(local, sdata, data);
3510
3511 return 0;
3512}
3513
06500736
JB		 3514static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3515 const u8 *peer, u64 *cookie)
3516{
3517 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3518 struct ieee80211_local *local = sdata->local;
3519 struct ieee80211_qos_hdr *nullfunc;
5ee00dbd 3520 struct sk_buff *skb;
06500736
JB		 3521 int size = sizeof(*nullfunc);
3522 __le16 fc;
3523 bool qos;
3524 struct ieee80211_tx_info *info;
3525 struct sta_info *sta;
55de908a 3526 struct ieee80211_chanctx_conf *chanctx_conf;
57fbcce3 3527 enum nl80211_band band;
3b79af97
JB		 3528 int ret;
3529
3530 /* the lock is needed to assign the cookie later */
3531 mutex_lock(&local->mtx);
06500736
JB		 3532
3533 rcu_read_lock();
55de908a
JB		 3534 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3535 if (WARN_ON(!chanctx_conf)) {
3b79af97
JB		 3536 ret = -EINVAL;
3537 goto unlock;
55de908a 3538 }
4bf88530 3539 band = chanctx_conf->def.chan->band;
03bb7f42 3540 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3541 if (sta) {
a74a8c84 3542 qos = sta->sta.wme;
b4487c2d 3543 } else {
3b79af97
JB		 3544 ret = -ENOLINK;
3545 goto unlock;
b4487c2d 3546 }
06500736
JB		 3547
3548 if (qos) {
3549 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3550 IEEE80211_STYPE_QOS_NULLFUNC |
3551 IEEE80211_FCTL_FROMDS);
3552 } else {
3553 size -= 2;
3554 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3555 IEEE80211_STYPE_NULLFUNC |
3556 IEEE80211_FCTL_FROMDS);
3557 }
3558
3559 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a 3560 if (!skb) {
3b79af97
JB		 3561 ret = -ENOMEM;
3562 goto unlock;
55de908a 3563 }
06500736
JB		 3564
3565 skb->dev = dev;
3566
3567 skb_reserve(skb, local->hw.extra_tx_headroom);
3568
4df864c1 3569 nullfunc = skb_put(skb, size);
06500736
JB		 3570 nullfunc->frame_control = fc;
3571 nullfunc->duration_id = 0;
3572 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3573 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3574 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3575 nullfunc->seq_ctrl = 0;
3576
3577 info = IEEE80211_SKB_CB(skb);
3578
3579 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3580 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3581 info->band = band;
06500736
JB		 3582
3583 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3584 skb->priority = 7;
3585 if (qos)
3586 nullfunc->qos_ctrl = cpu_to_le16(7);
3587
5ee00dbd
JB		 3588 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3589 if (ret) {
3b79af97 3590 kfree_skb(skb);
3b79af97
JB		 3591 goto unlock;
3592 }
3593
06500736 3594 local_bh_disable();
b9771d41 3595 ieee80211_xmit(sdata, sta, skb, 0);
06500736 3596 local_bh_enable();
3b79af97
JB		 3597
3598 ret = 0;
3599unlock:
55de908a 3600 rcu_read_unlock();
3b79af97 3601 mutex_unlock(&local->mtx);
06500736 3602
3b79af97 3603 return ret;
06500736
JB		 3604}
3605
683b6d3b
JB		 3606static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3607 struct wireless_dev *wdev,
3608 struct cfg80211_chan_def *chandef)
5b7ccaf3 3609{
55de908a 3610 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3611 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3612 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3613 int ret = -ENODATA;
55de908a
JB		 3614
3615 rcu_read_lock();
feda3027
JB		 3616 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3617 if (chanctx_conf) {
c12bc488 3618 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3619 ret = 0;
3620 } else if (local->open_count > 0 &&
3621 local->open_count == local->monitors &&
3622 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3623 if (local->use_chanctx)
3624 *chandef = local->monitor_chandef;
3625 else
675a0b04 3626 *chandef = local->_oper_chandef;
683b6d3b 3627 ret = 0;
55de908a
JB		 3628 }
3629 rcu_read_unlock();
5b7ccaf3 3630
683b6d3b 3631 return ret;
5b7ccaf3
JB		 3632}
3633
6d52563f
JB		 3634#ifdef CONFIG_PM
3635static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3636{
3637 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3638}
3639#endif
3640
32db6b54
KP		 3641static int ieee80211_set_qos_map(struct wiphy *wiphy,
3642 struct net_device *dev,
3643 struct cfg80211_qos_map *qos_map)
3644{
3645 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3646 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3647
3648 if (qos_map) {
3649 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3650 if (!new_qos_map)
3651 return -ENOMEM;
3652 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3653 } else {
3654 /* A NULL qos_map was passed to disable QoS mapping */
3655 new_qos_map = NULL;
3656 }
3657
194ff52d 3658 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3659 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3660 if (old_qos_map)
3661 kfree_rcu(old_qos_map, rcu_head);
3662
3663 return 0;
3664}
3665
3b1700bd
JM		 3666static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3667 struct net_device *dev,
3668 struct cfg80211_chan_def *chandef)
3669{
3670 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3671 int ret;
3672 u32 changed = 0;
3673
3674 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3675 if (ret == 0)
3676 ieee80211_bss_info_change_notify(sdata, changed);
3677
3678 return ret;
3679}
3680
02219b3a
JB		 3681static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3682 u8 tsid, const u8 *peer, u8 up,
3683 u16 admitted_time)
3684{
3685 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3686 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3687 int ac = ieee802_1d_to_ac[up];
3688
3689 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3690 return -EOPNOTSUPP;
3691
3692 if (!(sdata->wmm_acm & BIT(up)))
3693 return -EINVAL;
3694
3695 if (ifmgd->tx_tspec[ac].admitted_time)
3696 return -EBUSY;
3697
3698 if (admitted_time) {
3699 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3700 ifmgd->tx_tspec[ac].tsid = tsid;
3701 ifmgd->tx_tspec[ac].up = up;
3702 }
3703
3704 return 0;
3705}
3706
3707static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3708 u8 tsid, const u8 *peer)
3709{
3710 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3711 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3712 struct ieee80211_local *local = wiphy_priv(wiphy);
3713 int ac;
3714
3715 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3716 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3717
3718 /* skip unused entries */
3719 if (!tx_tspec->admitted_time)
3720 continue;
3721
3722 if (tx_tspec->tsid != tsid)
3723 continue;
3724
3725 /* due to this new packets will be reassigned to non-ACM ACs */
3726 tx_tspec->up = -1;
3727
3728 /* Make sure that all packets have been sent to avoid to
3729 * restore the QoS params on packets that are still on the
3730 * queues.
3731 */
3732 synchronize_net();
3b24f4c6 3733 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3734
3735 /* restore the normal QoS parameters
3736 * (unconditionally to avoid races)
3737 */
3738 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3739 tx_tspec->downgraded = false;
3740 ieee80211_sta_handle_tspec_ac_params(sdata);
3741
3742 /* finally clear all the data */
3743 memset(tx_tspec, 0, sizeof(*tx_tspec));
3744
3745 return 0;
3746 }
3747
3748 return -ENOENT;
3749}
3750
167e33f4
AB		 3751void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3752 u8 inst_id,
3753 enum nl80211_nan_func_term_reason reason,
3754 gfp_t gfp)
3755{
3756 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3757 struct cfg80211_nan_func *func;
3758 u64 cookie;
3759
3760 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3761 return;
3762
3763 spin_lock_bh(&sdata->u.nan.func_lock);
3764
3765 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3766 if (WARN_ON(!func)) {
3767 spin_unlock_bh(&sdata->u.nan.func_lock);
3768 return;
3769 }
3770
3771 cookie = func->cookie;
3772 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3773
3774 spin_unlock_bh(&sdata->u.nan.func_lock);
3775
3776 cfg80211_free_nan_func(func);
3777
3778 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3779 reason, cookie, gfp);
3780}
3781EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3782
92bc43bc
AB		 3783void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3784 struct cfg80211_nan_match_params *match,
3785 gfp_t gfp)
3786{
3787 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3788 struct cfg80211_nan_func *func;
3789
3790 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3791 return;
3792
3793 spin_lock_bh(&sdata->u.nan.func_lock);
3794
3795 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3796 if (WARN_ON(!func)) {
3797 spin_unlock_bh(&sdata->u.nan.func_lock);
3798 return;
3799 }
3800 match->cookie = func->cookie;
3801
3802 spin_unlock_bh(&sdata->u.nan.func_lock);
3803
3804 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3805}
3806EXPORT_SYMBOL(ieee80211_nan_func_match);
3807
ebceec86
MB		 3808static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3809 struct net_device *dev,
3810 const bool enabled)
3811{
3812 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3813
3814 sdata->u.ap.multicast_to_unicast = enabled;
3815
3816 return 0;
3817}
3818
2fe4a29a
THJ		 3819void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3820 struct txq_info *txqi)
3821{
3822 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3823 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3824 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3825 }
3826
3827 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3828 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3829 txqstats->backlog_packets = txqi->tin.backlog_packets;
3830 }
3831
3832 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3833 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3834 txqstats->flows = txqi->tin.flows;
3835 }
3836
3837 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3838 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3839 txqstats->drops = txqi->cstats.drop_count;
3840 }
3841
3842 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3843 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3844 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3845 }
3846
3847 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3848 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3849 txqstats->overlimit = txqi->tin.overlimit;
3850 }
3851
3852 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3853 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3854 txqstats->collisions = txqi->tin.collisions;
3855 }
3856
3857 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3858 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3859 txqstats->tx_bytes = txqi->tin.tx_bytes;
3860 }
3861
3862 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3863 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3864 txqstats->tx_packets = txqi->tin.tx_packets;
3865 }
3866}
3867
3868static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3869 struct wireless_dev *wdev,
3870 struct cfg80211_txq_stats *txqstats)
3871{
3872 struct ieee80211_local *local = wiphy_priv(wiphy);
3873 struct ieee80211_sub_if_data *sdata;
3874 int ret = 0;
3875
3876 if (!local->ops->wake_tx_queue)
3877 return 1;
3878
3879 spin_lock_bh(&local->fq.lock);
3880 rcu_read_lock();
3881
3882 if (wdev) {
3883 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3884 if (!sdata->vif.txq) {
3885 ret = 1;
3886 goto out;
3887 }
3888 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3889 } else {
3890 /* phy stats */
3891 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3892 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3893 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3894 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3895 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3896 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3897 txqstats->backlog_packets = local->fq.backlog;
3898 txqstats->backlog_bytes = local->fq.memory_usage;
3899 txqstats->overlimit = local->fq.overlimit;
3900 txqstats->overmemory = local->fq.overmemory;
3901 txqstats->collisions = local->fq.collisions;
3902 txqstats->max_flows = local->fq.flows_cnt;
3903 }
3904
3905out:
3906 rcu_read_unlock();
3907 spin_unlock_bh(&local->fq.lock);
3908
3909 return ret;
3910}
3911
bc847970
PKC		 3912static int
3913ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3914 struct net_device *dev,
3915 struct cfg80211_ftm_responder_stats *ftm_stats)
3916{
3917 struct ieee80211_local *local = wiphy_priv(wiphy);
3918 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3919
3920 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3921}
3922
cee7013b
JB		 3923static int
3924ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3925 struct cfg80211_pmsr_request *request)
3926{
3927 struct ieee80211_local *local = wiphy_priv(wiphy);
3928 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3929
3930 return drv_start_pmsr(local, sdata, request);
3931}
3932
3933static void
3934ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3935 struct cfg80211_pmsr_request *request)
3936{
3937 struct ieee80211_local *local = wiphy_priv(wiphy);
3938 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3939
3940 return drv_abort_pmsr(local, sdata, request);
3941}
3942
8a47cea7 3943const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3944 .add_virtual_intf = ieee80211_add_iface,
3945 .del_virtual_intf = ieee80211_del_iface,
42613db7 3946 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3947 .start_p2p_device = ieee80211_start_p2p_device,
3948 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3949 .add_key = ieee80211_add_key,
3950 .del_key = ieee80211_del_key,
62da92fb 3951 .get_key = ieee80211_get_key,
e8cbb4cb 3952 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3953 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3954 .start_ap = ieee80211_start_ap,
3955 .change_beacon = ieee80211_change_beacon,
3956 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3957 .add_station = ieee80211_add_station,
3958 .del_station = ieee80211_del_station,
3959 .change_station = ieee80211_change_station,
7bbdd2d9 3960 .get_station = ieee80211_get_station,
c5dd9c2b 3961 .dump_station = ieee80211_dump_station,
1289723e 3962 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3963#ifdef CONFIG_MAC80211_MESH
3964 .add_mpath = ieee80211_add_mpath,
3965 .del_mpath = ieee80211_del_mpath,
3966 .change_mpath = ieee80211_change_mpath,
3967 .get_mpath = ieee80211_get_mpath,
3968 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3969 .get_mpp = ieee80211_get_mpp,
3970 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3971 .update_mesh_config = ieee80211_update_mesh_config,
3972 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3973 .join_mesh = ieee80211_join_mesh,
3974 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3975#endif
239281f8
RL		 3976 .join_ocb = ieee80211_join_ocb,
3977 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3978 .change_bss = ieee80211_change_bss,
31888487 3979 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3980 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3981 .suspend = ieee80211_suspend,
3982 .resume = ieee80211_resume,
2a519311 3983 .scan = ieee80211_scan,
91f123f2 3984 .abort_scan = ieee80211_abort_scan,
79f460ca
LC		 3985 .sched_scan_start = ieee80211_sched_scan_start,
3986 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3987 .auth = ieee80211_auth,
3988 .assoc = ieee80211_assoc,
3989 .deauth = ieee80211_deauth,
3990 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3991 .join_ibss = ieee80211_join_ibss,
3992 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3993 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3994 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3995 .set_tx_power = ieee80211_set_tx_power,
3996 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3997 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3998 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3999 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 4000 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 4001 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 4002 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 4003 .remain_on_channel = ieee80211_remain_on_channel,
4004 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 4005 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 4006 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 4007 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2c3c5f8c 4008 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
7be5086d 4009 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 4010 .set_antenna = ieee80211_set_antenna,
4011 .get_antenna = ieee80211_get_antenna,
c68f4b89 4012 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 4013 .tdls_oper = ieee80211_tdls_oper,
4014 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 4015 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4016 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 4017 .probe_client = ieee80211_probe_client,
b53be792 4018 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 4019#ifdef CONFIG_PM
4020 .set_wakeup = ieee80211_set_wakeup,
4021#endif
5b7ccaf3 4022 .get_channel = ieee80211_cfg_get_channel,
164eb02d 4023 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 4024 .channel_switch = ieee80211_channel_switch,
32db6b54 4025 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 4026 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 4027 .add_tx_ts = ieee80211_add_tx_ts,
4028 .del_tx_ts = ieee80211_del_tx_ts,
708d50ed
AB		 4029 .start_nan = ieee80211_start_nan,
4030 .stop_nan = ieee80211_stop_nan,
5953ff6d 4031 .nan_change_conf = ieee80211_nan_change_conf,
167e33f4
AB		 4032 .add_nan_func = ieee80211_add_nan_func,
4033 .del_nan_func = ieee80211_del_nan_func,
ebceec86 4034 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
91180649 4035 .tx_control_port = ieee80211_tx_control_port,
2fe4a29a 4036 .get_txq_stats = ieee80211_get_txq_stats,
bc847970 4037 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
cee7013b
JB		 4038 .start_pmsr = ieee80211_start_pmsr,
4039 .abort_pmsr = ieee80211_abort_pmsr,
8828f81a 4040 .probe_mesh_link = ieee80211_probe_mesh_link,
f0706e82 4041};
Linux 6.x block layer and io_uring tree(s)