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Merge tag 'mm-hotfixes-stable-2025-07-11-16-16' of git://git.kernel.org/pub/scm/linux...
[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
a096a860 8 * Copyright (C) 2018-2025 Intel Corporation
f0706e82
JB		 9 */
10
e8cbb4cb 11#include <linux/ieee80211.h>
f0706e82
JB		 12#include <linux/nl80211.h>
13#include <linux/rtnetlink.h>
5a0e3ad6 14#include <linux/slab.h>
881d966b 15#include <net/net_namespace.h>
5dfdaf58 16#include <linux/rcupdate.h>
5fdb3735 17#include <linux/fips.h>
dfe018bf 18#include <linux/if_ether.h>
f0706e82
JB		 19#include <net/cfg80211.h>
20#include "ieee80211_i.h"
24487981 21#include "driver-ops.h"
2c8dccc7 22#include "rate.h"
c5dd9c2b 23#include "mesh.h"
02219b3a 24#include "wme.h"
c5dd9c2b 25
c88f1542 26static struct ieee80211_link_data *
ccdde7c7
JB		 27ieee80211_link_or_deflink(struct ieee80211_sub_if_data *sdata, int link_id,
28 bool require_valid)
c88f1542
ST		 29{
30 struct ieee80211_link_data *link;
31
32 if (link_id < 0) {
ccdde7c7
JB		 33 /*
34 * For keys, if sdata is not an MLD, we might not use
35 * the return value at all (if it's not a pairwise key),
36 * so in that case (require_valid==false) don't error.
37 */
f1871abd 38 if (require_valid && ieee80211_vif_is_mld(&sdata->vif))
c88f1542
ST		 39 return ERR_PTR(-EINVAL);
40
41 return &sdata->deflink;
42 }
43
44 link = sdata_dereference(sdata->link[link_id], sdata);
45 if (!link)
46 return ERR_PTR(-ENOLINK);
47 return link;
48}
49
65f1d600
JB		 50static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
51 struct vif_params *params)
8c5e6889 52{
8c5e6889
JB		 53 bool mu_mimo_groups = false;
54 bool mu_mimo_follow = false;
55
8c5e6889
JB		 56 if (params->vht_mumimo_groups) {
57 u64 membership;
58
59 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
60
65f1d600 61 memcpy(sdata->vif.bss_conf.mu_group.membership,
8c5e6889 62 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
65f1d600 63 memcpy(sdata->vif.bss_conf.mu_group.position,
8c5e6889
JB		 64 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
65 WLAN_USER_POSITION_LEN);
d8675a63 66 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
7b7090b4 67 BSS_CHANGED_MU_GROUPS);
8c5e6889
JB		 68 /* don't care about endianness - just check for 0 */
69 memcpy(&membership, params->vht_mumimo_groups,
70 WLAN_MEMBERSHIP_LEN);
71 mu_mimo_groups = membership != 0;
72 }
73
74 if (params->vht_mumimo_follow_addr) {
75 mu_mimo_follow =
76 is_valid_ether_addr(params->vht_mumimo_follow_addr);
65f1d600 77 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
8c5e6889
JB		 78 params->vht_mumimo_follow_addr);
79 }
80
d0a9123e 81 sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
65f1d600
JB		 82}
83
84static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
85 struct vif_params *params)
86{
87 struct ieee80211_local *local = sdata->local;
88 struct ieee80211_sub_if_data *monitor_sdata;
89
90 /* check flags first */
91 if (params->flags && ieee80211_sdata_running(sdata)) {
286e6967 92 u32 mask = MONITOR_FLAG_ACTIVE;
65f1d600
JB		 93
94 /*
286e6967
AW		 95 * Prohibit MONITOR_FLAG_ACTIVE to be changed
96 * while the interface is up.
65f1d600
JB		 97 * Else we would need to add a lot of cruft
98 * to update everything:
286e6967 99 * monitor and all fif_* counters
65f1d600
JB		 100 * reconfigure hardware
101 */
102 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
103 return -EBUSY;
104 }
105
106 /* also validate MU-MIMO change */
9d40f7e3
FF		 107 if (ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
108 monitor_sdata = sdata;
109 else
110 monitor_sdata = wiphy_dereference(local->hw.wiphy,
111 local->monitor_sdata);
65f1d600
JB		 112
113 if (!monitor_sdata &&
114 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
115 return -EOPNOTSUPP;
116
117 /* apply all changes now - no failures allowed */
118
9d40f7e3
FF		 119 if (monitor_sdata &&
120 (ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) ||
121 ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)))
65f1d600
JB		 122 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
123
124 if (params->flags) {
125 if (ieee80211_sdata_running(sdata)) {
126 ieee80211_adjust_monitor_flags(sdata, -1);
127 sdata->u.mntr.flags = params->flags;
128 ieee80211_adjust_monitor_flags(sdata, 1);
129
130 ieee80211_configure_filter(local);
131 } else {
132 /*
133 * Because the interface is down, ieee80211_do_stop
134 * and ieee80211_do_open take care of "everything"
135 * mentioned in the comment above.
136 */
137 sdata->u.mntr.flags = params->flags;
138 }
139 }
8c5e6889
JB		 140
141 return 0;
142}
143
17196425 144static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata,
f2aadc72 145 struct cfg80211_mbssid_config *params,
d9f83f22 146 struct ieee80211_bss_conf *link_conf)
17196425
JC		 147{
148 struct ieee80211_sub_if_data *tx_sdata;
f6008327 149 struct ieee80211_bss_conf *old;
17196425 150
d9f83f22
ST		 151 link_conf->bssid_index = 0;
152 link_conf->nontransmitted = false;
153 link_conf->ema_ap = false;
0eb38842 154 link_conf->bssid_indicator = 0;
17196425 155
f2aadc72 156 if (sdata->vif.type != NL80211_IFTYPE_AP || !params->tx_wdev)
17196425
JC		 157 return -EINVAL;
158
f6008327
RS		 159 old = sdata_dereference(link_conf->tx_bss_conf, sdata);
160 if (old)
161 return -EALREADY;
162
f2aadc72 163 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params->tx_wdev);
17196425
JC		 164 if (!tx_sdata)
165 return -EINVAL;
166
167 if (tx_sdata == sdata) {
f6008327 168 rcu_assign_pointer(link_conf->tx_bss_conf, link_conf);
17196425 169 } else {
f6008327
RS		 170 struct ieee80211_bss_conf *tx_bss_conf;
171
172 tx_bss_conf = sdata_dereference(tx_sdata->vif.link_conf[params->tx_link_id],
173 sdata);
174 if (rcu_access_pointer(tx_bss_conf->tx_bss_conf) != tx_bss_conf)
175 return -EINVAL;
176
177 rcu_assign_pointer(link_conf->tx_bss_conf, tx_bss_conf);
178
d9f83f22 179 link_conf->nontransmitted = true;
f2aadc72 180 link_conf->bssid_index = params->index;
17196425 181 }
f2aadc72 182 if (params->ema)
d9f83f22 183 link_conf->ema_ap = true;
17196425
JC		 184
185 return 0;
186}
187
552bff0c
JB		 188static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
189 const char *name,
6bab2e19 190 unsigned char name_assign_type,
84efbb84 191 enum nl80211_iftype type,
84efbb84 192 struct vif_params *params)
f0706e82
JB		 193{
194 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 195 struct wireless_dev *wdev;
8cc9a739
MW		 196 struct ieee80211_sub_if_data *sdata;
197 int err;
f0706e82 198
6bab2e19 199 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
f9e10ce4
JB		 200 if (err)
201 return ERR_PTR(err);
8cc9a739 202
8c5e6889
JB		 203 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
204
205 if (type == NL80211_IFTYPE_MONITOR) {
65f1d600 206 err = ieee80211_set_mon_options(sdata, params);
8c5e6889
JB		 207 if (err) {
208 ieee80211_if_remove(sdata);
209 return NULL;
210 }
f9e10ce4
JB		 211 }
212
074a8b54
IP		 213 /* Let the driver know that an interface is going to be added.
214 * Indicate so only for interface types that will be added to the
215 * driver.
216 */
217 switch (type) {
218 case NL80211_IFTYPE_AP_VLAN:
219 break;
220 case NL80211_IFTYPE_MONITOR:
221 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) ||
222 !(params->flags & MONITOR_FLAG_ACTIVE))
223 break;
224 fallthrough;
225 default:
226 drv_prep_add_interface(local,
227 ieee80211_vif_type_p2p(&sdata->vif));
228 break;
229 }
230
84efbb84 231 return wdev;
f0706e82
JB		 232}
233
84efbb84 234static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 235{
84efbb84 236 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 237
75636525 238 return 0;
f0706e82
JB		 239}
240
e36d56b6
JB		 241static int ieee80211_change_iface(struct wiphy *wiphy,
242 struct net_device *dev,
818a986e 243 enum nl80211_iftype type,
2ec600d6 244 struct vif_params *params)
42613db7 245{
9607e6b6 246 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a5d3cbdb
FF		 247 struct ieee80211_local *local = sdata->local;
248 struct sta_info *sta;
f3947e2d 249 int ret;
42613db7 250
4d3acf43
JB		 251 lockdep_assert_wiphy(local->hw.wiphy);
252
05c914fe 253 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 254 if (ret)
255 return ret;
42613db7 256
6f527287 257 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
a9b3cd7f 258 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
49ddf8e6 259 ieee80211_check_fast_rx_iface(sdata);
6f527287 260 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
a5d3cbdb
FF		 261 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
262
263 if (params->use_4addr == ifmgd->use_4addr)
264 return 0;
265
90703ba9 266 /* FIXME: no support for 4-addr MLO yet */
f1871abd 267 if (ieee80211_vif_is_mld(&sdata->vif))
90703ba9
JB		 268 return -EOPNOTSUPP;
269
9bc383de 270 sdata->u.mgd.use_4addr = params->use_4addr;
a5d3cbdb
FF		 271 if (!ifmgd->associated)
272 return 0;
273
bfd8403a 274 sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid);
a5d3cbdb
FF		 275 if (sta)
276 drv_sta_set_4addr(local, sdata, &sta->sta,
277 params->use_4addr);
a5d3cbdb
FF		 278
279 if (params->use_4addr)
280 ieee80211_send_4addr_nullfunc(local, sdata);
49ddf8e6 281 }
9bc383de 282
42bd20d9 283 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
65f1d600
JB		 284 ret = ieee80211_set_mon_options(sdata, params);
285 if (ret)
286 return ret;
85416a4f 287 }
f7917af9 288
42613db7
JB		 289 return 0;
290}
291
f142c6b9
JB		 292static int ieee80211_start_p2p_device(struct wiphy *wiphy,
293 struct wireless_dev *wdev)
294{
b6a55015
LC		 295 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
296 int ret;
297
5435af6e
JB		 298 lockdep_assert_wiphy(sdata->local->hw.wiphy);
299
0874bcd0 300 ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1);
b6a55015
LC		 301 if (ret < 0)
302 return ret;
303
f142c6b9
JB		 304 return ieee80211_do_open(wdev, true);
305}
306
307static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
308 struct wireless_dev *wdev)
309{
310 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
311}
312
708d50ed
AB		 313static int ieee80211_start_nan(struct wiphy *wiphy,
314 struct wireless_dev *wdev,
315 struct cfg80211_nan_conf *conf)
316{
317 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
318 int ret;
319
5435af6e
JB		 320 lockdep_assert_wiphy(sdata->local->hw.wiphy);
321
0874bcd0 322 ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1);
708d50ed
AB		 323 if (ret < 0)
324 return ret;
325
326 ret = ieee80211_do_open(wdev, true);
327 if (ret)
328 return ret;
329
330 ret = drv_start_nan(sdata->local, sdata, conf);
331 if (ret)
332 ieee80211_sdata_stop(sdata);
333
167e33f4
AB		 334 sdata->u.nan.conf = *conf;
335
708d50ed
AB		 336 return ret;
337}
338
339static void ieee80211_stop_nan(struct wiphy *wiphy,
340 struct wireless_dev *wdev)
341{
342 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
343
344 drv_stop_nan(sdata->local, sdata);
345 ieee80211_sdata_stop(sdata);
346}
347
5953ff6d
AB		 348static int ieee80211_nan_change_conf(struct wiphy *wiphy,
349 struct wireless_dev *wdev,
350 struct cfg80211_nan_conf *conf,
351 u32 changes)
352{
353 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
354 struct cfg80211_nan_conf new_conf;
355 int ret = 0;
356
357 if (sdata->vif.type != NL80211_IFTYPE_NAN)
358 return -EOPNOTSUPP;
359
360 if (!ieee80211_sdata_running(sdata))
361 return -ENETDOWN;
362
363 new_conf = sdata->u.nan.conf;
364
365 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
366 new_conf.master_pref = conf->master_pref;
367
8585989d
LC		 368 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
369 new_conf.bands = conf->bands;
5953ff6d
AB		 370
371 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
372 if (!ret)
373 sdata->u.nan.conf = new_conf;
374
375 return ret;
376}
377
167e33f4
AB		 378static int ieee80211_add_nan_func(struct wiphy *wiphy,
379 struct wireless_dev *wdev,
380 struct cfg80211_nan_func *nan_func)
381{
382 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
383 int ret;
384
385 if (sdata->vif.type != NL80211_IFTYPE_NAN)
386 return -EOPNOTSUPP;
387
388 if (!ieee80211_sdata_running(sdata))
389 return -ENETDOWN;
390
391 spin_lock_bh(&sdata->u.nan.func_lock);
392
393 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
394 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
395 GFP_ATOMIC);
396 spin_unlock_bh(&sdata->u.nan.func_lock);
397
398 if (ret < 0)
399 return ret;
400
401 nan_func->instance_id = ret;
402
403 WARN_ON(nan_func->instance_id == 0);
404
405 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
406 if (ret) {
407 spin_lock_bh(&sdata->u.nan.func_lock);
408 idr_remove(&sdata->u.nan.function_inst_ids,
409 nan_func->instance_id);
410 spin_unlock_bh(&sdata->u.nan.func_lock);
411 }
412
413 return ret;
414}
415
416static struct cfg80211_nan_func *
417ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
418 u64 cookie)
419{
420 struct cfg80211_nan_func *func;
421 int id;
422
423 lockdep_assert_held(&sdata->u.nan.func_lock);
424
425 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
426 if (func->cookie == cookie)
427 return func;
428 }
429
430 return NULL;
431}
432
433static void ieee80211_del_nan_func(struct wiphy *wiphy,
434 struct wireless_dev *wdev, u64 cookie)
435{
436 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
437 struct cfg80211_nan_func *func;
438 u8 instance_id = 0;
439
440 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
441 !ieee80211_sdata_running(sdata))
442 return;
443
444 spin_lock_bh(&sdata->u.nan.func_lock);
445
446 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
447 if (func)
448 instance_id = func->instance_id;
449
450 spin_unlock_bh(&sdata->u.nan.func_lock);
451
452 if (instance_id)
453 drv_del_nan_func(sdata->local, sdata, instance_id);
454}
455
b53be792
SW		 456static int ieee80211_set_noack_map(struct wiphy *wiphy,
457 struct net_device *dev,
458 u16 noack_map)
459{
460 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
461
462 sdata->noack_map = noack_map;
17c18bf8
JB		 463
464 ieee80211_check_fast_xmit_iface(sdata);
465
b53be792
SW		 466 return 0;
467}
468
96fc6efb
AW		 469static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
470 const u8 *mac_addr, u8 key_idx)
471{
472 struct ieee80211_local *local = sdata->local;
473 struct ieee80211_key *key;
474 struct sta_info *sta;
475 int ret = -EINVAL;
476
477 if (!wiphy_ext_feature_isset(local->hw.wiphy,
478 NL80211_EXT_FEATURE_EXT_KEY_ID))
479 return -EINVAL;
480
481 sta = sta_info_get_bss(sdata, mac_addr);
482
483 if (!sta)
484 return -EINVAL;
485
486 if (sta->ptk_idx == key_idx)
487 return 0;
488
2a8b665e 489 key = wiphy_dereference(local->hw.wiphy, sta->ptk[key_idx]);
96fc6efb
AW		 490
491 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
492 ret = ieee80211_set_tx_key(key);
493
96fc6efb
AW		 494 return ret;
495}
496
e8cbb4cb 497static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e7a7b84e
VJ		 498 int link_id, u8 key_idx, bool pairwise,
499 const u8 *mac_addr, struct key_params *params)
e8cbb4cb 500{
26a58456 501 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
ccdde7c7
JB		 502 struct ieee80211_link_data *link =
503 ieee80211_link_or_deflink(sdata, link_id, false);
2475b1cc 504 struct ieee80211_local *local = sdata->local;
e8cbb4cb 505 struct sta_info *sta = NULL;
db4d1169 506 struct ieee80211_key *key;
3b96766f 507 int err;
4d3acf43
JB		 508
509 lockdep_assert_wiphy(local->hw.wiphy);
e8cbb4cb 510
26a58456 511 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 512 return -ENETDOWN;
513
ccdde7c7
JB		 514 if (IS_ERR(link))
515 return PTR_ERR(link);
516
6bd9a087
BB		 517 if (WARN_ON(pairwise && link_id >= 0))
518 return -EINVAL;
519
96fc6efb
AW		 520 if (pairwise && params->mode == NL80211_KEY_SET_TX)
521 return ieee80211_set_tx(sdata, mac_addr, key_idx);
522
97359d12 523 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 524 switch (params->cipher) {
525 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 526 case WLAN_CIPHER_SUITE_TKIP:
97359d12 527 case WLAN_CIPHER_SUITE_WEP104:
ccdde7c7
JB		 528 if (link_id >= 0)
529 return -EINVAL;
5fdb3735 530 if (WARN_ON_ONCE(fips_enabled))
97359d12 531 return -EINVAL;
aaaee2d6 532 break;
e8cbb4cb 533 default:
97359d12 534 break;
e8cbb4cb
JB		 535 }
536
97359d12 537 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
23a5f0af 538 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 539 if (IS_ERR(key))
540 return PTR_ERR(key);
db4d1169 541
6bd9a087 542 if (pairwise) {
e31b8213 543 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
6bd9a087
BB		 544 key->conf.link_id = -1;
545 } else {
546 key->conf.link_id = link->link_id;
547 }
e31b8213 548
96fc6efb
AW		 549 if (params->mode == NL80211_KEY_NO_TX)
550 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
551
e8cbb4cb 552 if (mac_addr) {
850092db 553 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 554 /*
555 * The ASSOC test makes sure the driver is ready to
556 * receive the key. When wpa_supplicant has roamed
557 * using FT, it attempts to set the key before
558 * association has completed, this rejects that attempt
d070f913 559 * so it will set the key again after association.
1626e0fa
JB		 560 *
561 * TODO: accept the key if we have a station entry and
562 * add it to the device after the station.
563 */
564 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 565 ieee80211_key_free_unused(key);
4d3acf43 566 return -ENOENT;
db4d1169 567 }
e8cbb4cb
JB		 568 }
569
e548c49e
JB		 570 switch (sdata->vif.type) {
571 case NL80211_IFTYPE_STATION:
572 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
573 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
574 break;
575 case NL80211_IFTYPE_AP:
576 case NL80211_IFTYPE_AP_VLAN:
577 /* Keys without a station are used for TX only */
211710ca 578 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
e548c49e
JB		 579 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
580 break;
581 case NL80211_IFTYPE_ADHOC:
582 /* no MFP (yet) */
583 break;
584 case NL80211_IFTYPE_MESH_POINT:
585#ifdef CONFIG_MAC80211_MESH
586 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
587 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
588 break;
589#endif
590 case NL80211_IFTYPE_WDS:
591 case NL80211_IFTYPE_MONITOR:
592 case NL80211_IFTYPE_P2P_DEVICE:
cb3b7d87 593 case NL80211_IFTYPE_NAN:
e548c49e
JB		 594 case NL80211_IFTYPE_UNSPECIFIED:
595 case NUM_NL80211_IFTYPES:
596 case NL80211_IFTYPE_P2P_CLIENT:
597 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 598 case NL80211_IFTYPE_OCB:
e548c49e
JB		 599 /* shouldn't happen */
600 WARN_ON_ONCE(1);
601 break;
602 }
603
ccdde7c7 604 err = ieee80211_key_link(key, link, sta);
31db78a4
JB		 605 /* KRACK protection, shouldn't happen but just silently accept key */
606 if (err == -EALREADY)
607 err = 0;
db4d1169 608
3b96766f 609 return err;
e8cbb4cb
JB		 610}
611
8cbf0c2a 612static struct ieee80211_key *
ccdde7c7 613ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id,
8cbf0c2a
JB		 614 u8 key_idx, bool pairwise, const u8 *mac_addr)
615{
09d838a4 616 struct ieee80211_local *local __maybe_unused = sdata->local;
ccdde7c7 617 struct ieee80211_link_data *link = &sdata->deflink;
bfd8403a 618 struct ieee80211_key *key;
ccdde7c7
JB		 619
620 if (link_id >= 0) {
076fc877 621 link = sdata_dereference(sdata->link[link_id], sdata);
ccdde7c7
JB		 622 if (!link)
623 return NULL;
624 }
8cbf0c2a
JB		 625
626 if (mac_addr) {
ccdde7c7
JB		 627 struct sta_info *sta;
628 struct link_sta_info *link_sta;
629
8cbf0c2a
JB		 630 sta = sta_info_get_bss(sdata, mac_addr);
631 if (!sta)
632 return NULL;
633
ccdde7c7
JB		 634 if (link_id >= 0) {
635 link_sta = rcu_dereference_check(sta->link[link_id],
4d3acf43 636 lockdep_is_held(&local->hw.wiphy->mtx));
ccdde7c7
JB		 637 if (!link_sta)
638 return NULL;
639 } else {
640 link_sta = &sta->deflink;
641 }
642
8cbf0c2a 643 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2a8b665e
JB		 644 return wiphy_dereference(local->hw.wiphy,
645 sta->ptk[key_idx]);
8cbf0c2a
JB		 646
647 if (!pairwise &&
648 key_idx < NUM_DEFAULT_KEYS +
649 NUM_DEFAULT_MGMT_KEYS +
650 NUM_DEFAULT_BEACON_KEYS)
2a8b665e
JB		 651 return wiphy_dereference(local->hw.wiphy,
652 link_sta->gtk[key_idx]);
8cbf0c2a
JB		 653
654 return NULL;
655 }
656
bfd8403a 657 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2a8b665e 658 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);
8cbf0c2a 659
2a8b665e 660 key = wiphy_dereference(local->hw.wiphy, link->gtk[key_idx]);
bfd8403a
JB		 661 if (key)
662 return key;
663
e2722d27
JB		 664 /* or maybe it was a WEP key */
665 if (key_idx < NUM_DEFAULT_KEYS)
2a8b665e 666 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);
e2722d27 667
8cbf0c2a
JB		 668 return NULL;
669}
670
e8cbb4cb 671static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e7a7b84e
VJ		 672 int link_id, u8 key_idx, bool pairwise,
673 const u8 *mac_addr)
e8cbb4cb 674{
5c0c3641
JB		 675 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
676 struct ieee80211_local *local = sdata->local;
8cbf0c2a 677 struct ieee80211_key *key;
e8cbb4cb 678
4d3acf43
JB		 679 lockdep_assert_wiphy(local->hw.wiphy);
680
ccdde7c7 681 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
2a8b665e
JB		 682 if (!key)
683 return -ENOENT;
e8cbb4cb 684
133bf90d 685 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
e8cbb4cb 686
2a8b665e 687 return 0;
e8cbb4cb
JB		 688}
689
62da92fb 690static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e7a7b84e
VJ		 691 int link_id, u8 key_idx, bool pairwise,
692 const u8 *mac_addr, void *cookie,
62da92fb
JB		 693 void (*callback)(void *cookie,
694 struct key_params *params))
695{
14db74bc 696 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 697 u8 seq[6] = {0};
698 struct key_params params;
8cbf0c2a 699 struct ieee80211_key *key;
aba83a0b 700 u64 pn64;
62da92fb
JB		 701 u32 iv32;
702 u16 iv16;
703 int err = -ENOENT;
9352c19f 704 struct ieee80211_key_seq kseq = {};
62da92fb 705
14db74bc
JB		 706 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
707
3b96766f
JB		 708 rcu_read_lock();
709
ccdde7c7 710 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
62da92fb
JB		 711 if (!key)
712 goto out;
713
714 memset(&params, 0, sizeof(params));
715
97359d12 716 params.cipher = key->conf.cipher;
62da92fb 717
97359d12
JB		 718 switch (key->conf.cipher) {
719 case WLAN_CIPHER_SUITE_TKIP:
f8079d43
EP		 720 pn64 = atomic64_read(&key->conf.tx_pn);
721 iv32 = TKIP_PN_TO_IV32(pn64);
722 iv16 = TKIP_PN_TO_IV16(pn64);
62da92fb 723
9352c19f
JB		 724 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
725 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
726 drv_get_key_seq(sdata->local, key, &kseq);
727 iv32 = kseq.tkip.iv32;
728 iv16 = kseq.tkip.iv16;
729 }
62da92fb
JB		 730
731 seq[0] = iv16 & 0xff;
732 seq[1] = (iv16 >> 8) & 0xff;
733 seq[2] = iv32 & 0xff;
734 seq[3] = (iv32 >> 8) & 0xff;
735 seq[4] = (iv32 >> 16) & 0xff;
736 seq[5] = (iv32 >> 24) & 0xff;
737 params.seq = seq;
738 params.seq_len = 6;
739 break;
97359d12 740 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 741 case WLAN_CIPHER_SUITE_CCMP_256:
97359d12 742 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 743 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
db388a56
JB		 744 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
745 offsetof(typeof(kseq), aes_cmac));
fc0561dc 746 fallthrough;
8ade538b
JM		 747 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
748 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
db388a56
JB		 749 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
750 offsetof(typeof(kseq), aes_gmac));
fc0561dc 751 fallthrough;
00b9cfa3
JM		 752 case WLAN_CIPHER_SUITE_GCMP:
753 case WLAN_CIPHER_SUITE_GCMP_256:
db388a56
JB		 754 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
755 offsetof(typeof(kseq), gcmp));
756
9352c19f
JB		 757 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
758 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
759 drv_get_key_seq(sdata->local, key, &kseq);
db388a56 760 memcpy(seq, kseq.ccmp.pn, 6);
9352c19f 761 } else {
db388a56 762 pn64 = atomic64_read(&key->conf.tx_pn);
9352c19f
JB		 763 seq[0] = pn64;
764 seq[1] = pn64 >> 8;
765 seq[2] = pn64 >> 16;
766 seq[3] = pn64 >> 24;
767 seq[4] = pn64 >> 32;
768 seq[5] = pn64 >> 40;
769 }
00b9cfa3
JM		 770 params.seq = seq;
771 params.seq_len = 6;
772 break;
a31cf1c6
JB		 773 default:
774 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
775 break;
776 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
777 break;
778 drv_get_key_seq(sdata->local, key, &kseq);
779 params.seq = kseq.hw.seq;
780 params.seq_len = kseq.hw.seq_len;
781 break;
62da92fb
JB		 782 }
783
62da92fb
JB		 784 callback(cookie, &params);
785 err = 0;
786
787 out:
3b96766f 788 rcu_read_unlock();
62da92fb
JB		 789 return err;
790}
791
e8cbb4cb
JB		 792static int ieee80211_config_default_key(struct wiphy *wiphy,
793 struct net_device *dev,
e7a7b84e 794 int link_id, u8 key_idx, bool uni,
dbd2fd65 795 bool multi)
e8cbb4cb 796{
ad0e2b5a 797 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
ccdde7c7
JB		 798 struct ieee80211_link_data *link =
799 ieee80211_link_or_deflink(sdata, link_id, false);
3b96766f 800
ccdde7c7
JB		 801 if (IS_ERR(link))
802 return PTR_ERR(link);
803
804 ieee80211_set_default_key(link, key_idx, uni, multi);
e8cbb4cb
JB		 805
806 return 0;
807}
808
3cfcf6ac
JM		 809static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
810 struct net_device *dev,
e7a7b84e 811 int link_id, u8 key_idx)
3cfcf6ac 812{
66c52421 813 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
ccdde7c7
JB		 814 struct ieee80211_link_data *link =
815 ieee80211_link_or_deflink(sdata, link_id, true);
3cfcf6ac 816
ccdde7c7
JB		 817 if (IS_ERR(link))
818 return PTR_ERR(link);
819
820 ieee80211_set_default_mgmt_key(link, key_idx);
3cfcf6ac 821
3cfcf6ac
JM		 822 return 0;
823}
824
e5473e80
JM		 825static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
826 struct net_device *dev,
e7a7b84e 827 int link_id, u8 key_idx)
e5473e80
JM		 828{
829 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
ccdde7c7
JB		 830 struct ieee80211_link_data *link =
831 ieee80211_link_or_deflink(sdata, link_id, true);
832
833 if (IS_ERR(link))
834 return PTR_ERR(link);
e5473e80 835
ccdde7c7 836 ieee80211_set_default_beacon_key(link, key_idx);
e5473e80
JM		 837
838 return 0;
839}
840
6b62bf32
TP		 841void sta_set_rate_info_tx(struct sta_info *sta,
842 const struct ieee80211_tx_rate *rate,
843 struct rate_info *rinfo)
844{
845 rinfo->flags = 0;
8bc83c24 846 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 847 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 848 rinfo->mcs = rate->idx;
849 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
850 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
851 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
852 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
853 } else {
854 struct ieee80211_supported_band *sband;
2103dec1 855
21a8e9dd 856 sband = ieee80211_get_sband(sta->sdata);
8b783d10 857 WARN_ON_ONCE(sband && !sband->bitrates);
2400dfe2
JB		 858 if (sband && sband->bitrates)
859 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
8bc83c24 860 }
6b62bf32 861 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 862 rinfo->bw = RATE_INFO_BW_40;
863 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
864 rinfo->bw = RATE_INFO_BW_80;
865 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
866 rinfo->bw = RATE_INFO_BW_160;
867 else
868 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 869 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
870 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 871}
872
c5dd9c2b 873static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 874 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 875{
3b53fde8 876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 877 struct ieee80211_local *local = sdata->local;
c5dd9c2b 878 struct sta_info *sta;
d0709a65
JB		 879 int ret = -ENOENT;
880
4d3acf43 881 lockdep_assert_wiphy(local->hw.wiphy);
c5dd9c2b 882
3b53fde8 883 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 884 if (sta) {
885 ret = 0;
17741cdc 886 memcpy(mac, sta->sta.addr, ETH_ALEN);
0fdf1493 887 sta_set_sinfo(sta, sinfo, true);
d0709a65 888 }
c5dd9c2b 889
d0709a65 890 return ret;
c5dd9c2b
LCC		 891}
892
1289723e
HS		 893static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
894 int idx, struct survey_info *survey)
895{
896 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
897
1289723e
HS		 898 return drv_get_survey(local, idx, survey);
899}
900
7bbdd2d9 901static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 902 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 903{
abe60632 904 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 905 struct ieee80211_local *local = sdata->local;
7bbdd2d9 906 struct sta_info *sta;
d0709a65 907 int ret = -ENOENT;
7bbdd2d9 908
4d3acf43 909 lockdep_assert_wiphy(local->hw.wiphy);
7bbdd2d9 910
0e5ded5a 911 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 912 if (sta) {
913 ret = 0;
0fdf1493 914 sta_set_sinfo(sta, sinfo, true);
d0709a65
JB		 915 }
916
d0709a65 917 return ret;
7bbdd2d9
JB		 918}
919
55de908a 920static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
9c4f8309 921 struct net_device *dev,
683b6d3b 922 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 923{
924 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 925 struct ieee80211_sub_if_data *sdata;
6092077a 926 struct ieee80211_chan_req chanreq = { .oper = *chandef };
0a44dfc0 927 int ret;
3d9e6e12 928
0cd8080e
JB		 929 lockdep_assert_wiphy(local->hw.wiphy);
930
9d40f7e3
FF		 931 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
932 if (!ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
933 if (cfg80211_chandef_identical(&local->monitor_chanreq.oper,
892726f0 934 &chanreq.oper))
9d40f7e3 935 return 0;
3d9e6e12 936
9d40f7e3
FF		 937 sdata = wiphy_dereference(wiphy, local->monitor_sdata);
938 if (!sdata)
939 goto done;
940 }
3d9e6e12 941
9d40f7e3 942 if (rcu_access_pointer(sdata->deflink.conf->chanctx_conf) &&
892726f0 943 cfg80211_chandef_identical(&sdata->vif.bss_conf.chanreq.oper,
6092077a 944 &chanreq.oper))
0a44dfc0 945 return 0;
3d9e6e12 946
0a44dfc0 947 ieee80211_link_release_channel(&sdata->deflink);
6092077a 948 ret = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
9d40f7e3 949 IEEE80211_CHANCTX_SHARED);
0a44dfc0
JB		 950 if (ret)
951 return ret;
952done:
6092077a 953 local->monitor_chanreq = chanreq;
0a44dfc0 954 return 0;
e8c9bd5b
JB		 955}
956
5f9404ab
JC		 957static int
958ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
959 const u8 *resp, size_t resp_len,
960 const struct ieee80211_csa_settings *csa,
d9f83f22
ST		 961 const struct ieee80211_color_change_settings *cca,
962 struct ieee80211_link_data *link)
02945821 963{
aa7a0080 964 struct probe_resp *new, *old;
02945821
AN		 965
966 if (!resp || !resp_len)
aba4e6ff 967 return 1;
02945821 968
d9f83f22 969 old = sdata_dereference(link->u.ap.probe_resp, sdata);
02945821 970
aa7a0080 971 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 972 if (!new)
973 return -ENOMEM;
974
aa7a0080
ES		 975 new->len = resp_len;
976 memcpy(new->data, resp, resp_len);
02945821 977
af296bdb 978 if (csa)
8552a434 979 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
af296bdb 980 csa->n_counter_offsets_presp *
8552a434 981 sizeof(new->cntdwn_counter_offsets[0]));
5f9404ab
JC		 982 else if (cca)
983 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp;
af296bdb 984
d9f83f22 985 rcu_assign_pointer(link->u.ap.probe_resp, new);
aa7a0080
ES		 986 if (old)
987 kfree_rcu(old, rcu_head);
02945821
AN		 988
989 return 0;
990}
991
295b02c4 992static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
d9f83f22
ST		 993 struct cfg80211_fils_discovery *params,
994 struct ieee80211_link_data *link,
392d3dfd
JB		 995 struct ieee80211_bss_conf *link_conf,
996 u64 *changed)
295b02c4
AD		 997{
998 struct fils_discovery_data *new, *old = NULL;
999 struct ieee80211_fils_discovery *fd;
1000
3b1c256e
AD		 1001 if (!params->update)
1002 return 0;
295b02c4 1003
d9f83f22 1004 fd = &link_conf->fils_discovery;
295b02c4
AD		 1005 fd->min_interval = params->min_interval;
1006 fd->max_interval = params->max_interval;
1007
d9f83f22 1008 old = sdata_dereference(link->u.ap.fils_discovery, sdata);
295b02c4
AD		 1009 if (old)
1010 kfree_rcu(old, rcu_head);
1011
3b1c256e
AD		 1012 if (params->tmpl && params->tmpl_len) {
1013 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
1014 if (!new)
1015 return -ENOMEM;
1016 new->len = params->tmpl_len;
1017 memcpy(new->data, params->tmpl, params->tmpl_len);
1018 rcu_assign_pointer(link->u.ap.fils_discovery, new);
1019 } else {
1020 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
1021 }
1022
392d3dfd
JB		 1023 *changed |= BSS_CHANGED_FILS_DISCOVERY;
1024 return 0;
295b02c4
AD		 1025}
1026
632189a0
AD		 1027static int
1028ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
d9f83f22
ST		 1029 struct cfg80211_unsol_bcast_probe_resp *params,
1030 struct ieee80211_link_data *link,
178e9d6a
JB		 1031 struct ieee80211_bss_conf *link_conf,
1032 u64 *changed)
632189a0
AD		 1033{
1034 struct unsol_bcast_probe_resp_data *new, *old = NULL;
1035
3b1c256e
AD		 1036 if (!params->update)
1037 return 0;
632189a0 1038
3b1c256e 1039 link_conf->unsol_bcast_probe_resp_interval = params->interval;
632189a0 1040
3b1c256e 1041 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata);
632189a0
AD		 1042 if (old)
1043 kfree_rcu(old, rcu_head);
1044
3b1c256e
AD		 1045 if (params->tmpl && params->tmpl_len) {
1046 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
1047 if (!new)
1048 return -ENOMEM;
1049 new->len = params->tmpl_len;
1050 memcpy(new->data, params->tmpl, params->tmpl_len);
1051 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new);
1052 } else {
1053 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
1054 }
632189a0 1055
178e9d6a
JB		 1056 *changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1057 return 0;
632189a0
AD		 1058}
1059
bc847970
PKC		 1060static int ieee80211_set_ftm_responder_params(
1061 struct ieee80211_sub_if_data *sdata,
1062 const u8 *lci, size_t lci_len,
d9f83f22
ST		 1063 const u8 *civicloc, size_t civicloc_len,
1064 struct ieee80211_bss_conf *link_conf)
bc847970
PKC		 1065{
1066 struct ieee80211_ftm_responder_params *new, *old;
bc847970
PKC		 1067 u8 *pos;
1068 int len;
1069
554be833
JB		 1070 if (!lci_len && !civicloc_len)
1071 return 0;
bc847970 1072
d9f83f22 1073 old = link_conf->ftmr_params;
bc847970
PKC		 1074 len = lci_len + civicloc_len;
1075
1076 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
1077 if (!new)
1078 return -ENOMEM;
1079
1080 pos = (u8 *)(new + 1);
1081 if (lci_len) {
1082 new->lci_len = lci_len;
1083 new->lci = pos;
1084 memcpy(pos, lci, lci_len);
1085 pos += lci_len;
1086 }
1087
1088 if (civicloc_len) {
1089 new->civicloc_len = civicloc_len;
1090 new->civicloc = pos;
1091 memcpy(pos, civicloc, civicloc_len);
1092 pos += civicloc_len;
1093 }
1094
d9f83f22 1095 link_conf->ftmr_params = new;
bc847970
PKC		 1096 kfree(old);
1097
1098 return 0;
1099}
1100
2b3171c6
LB		 1101static int
1102ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst,
1103 struct cfg80211_mbssid_elems *src)
1104{
1105 int i, offset = 0;
1106
496db69f 1107 dst->cnt = src->cnt;
2b3171c6
LB		 1108 for (i = 0; i < src->cnt; i++) {
1109 memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
1110 dst->elem[i].len = src->elem[i].len;
1111 dst->elem[i].data = pos + offset;
1112 offset += dst->elem[i].len;
1113 }
2b3171c6
LB		 1114
1115 return offset;
1116}
1117
68b9bea2
AD		 1118static int
1119ieee80211_copy_rnr_beacon(u8 *pos, struct cfg80211_rnr_elems *dst,
1120 struct cfg80211_rnr_elems *src)
1121{
1122 int i, offset = 0;
1123
1124 for (i = 0; i < src->cnt; i++) {
1125 memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
1126 dst->elem[i].len = src->elem[i].len;
1127 dst->elem[i].data = pos + offset;
1128 offset += dst->elem[i].len;
1129 }
1130 dst->cnt = src->cnt;
1131
1132 return offset;
1133}
1134
15ddba5f
A		 1135static int
1136ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
1137 struct ieee80211_link_data *link,
1138 struct cfg80211_beacon_data *params,
1139 const struct ieee80211_csa_settings *csa,
1140 const struct ieee80211_color_change_settings *cca,
1141 u64 *changed)
5dfdaf58 1142{
2b3171c6 1143 struct cfg80211_mbssid_elems *mbssid = NULL;
68b9bea2 1144 struct cfg80211_rnr_elems *rnr = NULL;
5dfdaf58
JB		 1145 struct beacon_data *new, *old;
1146 int new_head_len, new_tail_len;
8860020e 1147 int size, err;
15ddba5f 1148 u64 _changed = BSS_CHANGED_BEACON;
d8675a63 1149 struct ieee80211_bss_conf *link_conf = link->conf;
5dfdaf58 1150
d9f83f22 1151 old = sdata_dereference(link->u.ap.beacon, sdata);
5dfdaf58 1152
5dfdaf58
JB		 1153 /* Need to have a beacon head if we don't have one yet */
1154 if (!params->head && !old)
8860020e 1155 return -EINVAL;
5dfdaf58
JB		 1156
1157 /* new or old head? */
1158 if (params->head)
1159 new_head_len = params->head_len;
1160 else
1161 new_head_len = old->head_len;
1162
1163 /* new or old tail? */
1164 if (params->tail || !old)
1165 /* params->tail_len will be zero for !params->tail */
1166 new_tail_len = params->tail_len;
1167 else
1168 new_tail_len = old->tail_len;
1169
1170 size = sizeof(*new) + new_head_len + new_tail_len;
1171
2b3171c6
LB		 1172 /* new or old multiple BSSID elements? */
1173 if (params->mbssid_ies) {
1174 mbssid = params->mbssid_ies;
1175 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
68b9bea2
AD		 1176 if (params->rnr_ies) {
1177 rnr = params->rnr_ies;
1178 size += struct_size(new->rnr_ies, elem, rnr->cnt);
1179 }
1180 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr,
1181 mbssid->cnt);
2b3171c6
LB		 1182 } else if (old && old->mbssid_ies) {
1183 mbssid = old->mbssid_ies;
1184 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
68b9bea2
AD		 1185 if (old && old->rnr_ies) {
1186 rnr = old->rnr_ies;
1187 size += struct_size(new->rnr_ies, elem, rnr->cnt);
1188 }
1189 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr,
1190 mbssid->cnt);
2b3171c6
LB		 1191 }
1192
5dfdaf58
JB		 1193 new = kzalloc(size, GFP_KERNEL);
1194 if (!new)
1195 return -ENOMEM;
1196
1197 /* start filling the new info now */
1198
5dfdaf58
JB		 1199 /*
1200 * pointers go into the block we allocated,
68b9bea2 1201 * memory is | beacon_data | head | tail | mbssid_ies | rnr_ies
5dfdaf58
JB		 1202 */
1203 new->head = ((u8 *) new) + sizeof(*new);
1204 new->tail = new->head + new_head_len;
1205 new->head_len = new_head_len;
1206 new->tail_len = new_tail_len;
2b3171c6
LB		 1207 /* copy in optional mbssid_ies */
1208 if (mbssid) {
1209 u8 *pos = new->tail + new->tail_len;
1210
1211 new->mbssid_ies = (void *)pos;
1212 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt);
68b9bea2
AD		 1213 pos += ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies,
1214 mbssid);
1215 if (rnr) {
1216 new->rnr_ies = (void *)pos;
1217 pos += struct_size(new->rnr_ies, elem, rnr->cnt);
1218 ieee80211_copy_rnr_beacon(pos, new->rnr_ies, rnr);
1219 }
dde78aa5 1220 /* update bssid_indicator */
d9f83f22 1221 link_conf->bssid_indicator =
dde78aa5 1222 ilog2(__roundup_pow_of_two(mbssid->cnt + 1));
2b3171c6 1223 }
5dfdaf58 1224
af296bdb 1225 if (csa) {
8552a434
JC		 1226 new->cntdwn_current_counter = csa->count;
1227 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
af296bdb 1228 csa->n_counter_offsets_beacon *
8552a434 1229 sizeof(new->cntdwn_counter_offsets[0]));
5f9404ab
JC		 1230 } else if (cca) {
1231 new->cntdwn_current_counter = cca->count;
1232 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon;
af296bdb
MK		 1233 }
1234
5dfdaf58
JB		 1235 /* copy in head */
1236 if (params->head)
1237 memcpy(new->head, params->head, new_head_len);
1238 else
1239 memcpy(new->head, old->head, new_head_len);
1240
1241 /* copy in optional tail */
1242 if (params->tail)
1243 memcpy(new->tail, params->tail, new_tail_len);
1244 else
1245 if (old)
1246 memcpy(new->tail, old->tail, new_tail_len);
1247
02945821 1248 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
d9f83f22 1249 params->probe_resp_len, csa, cca, link);
bcc27fab
LB		 1250 if (err < 0) {
1251 kfree(new);
8860020e 1252 return err;
bcc27fab 1253 }
8860020e 1254 if (err == 0)
15ddba5f 1255 _changed |= BSS_CHANGED_AP_PROBE_RESP;
02945821 1256
bc847970 1257 if (params->ftm_responder != -1) {
d9f83f22 1258 link_conf->ftm_responder = params->ftm_responder;
bc847970
PKC		 1259 err = ieee80211_set_ftm_responder_params(sdata,
1260 params->lci,
1261 params->lci_len,
1262 params->civicloc,
d9f83f22
ST		 1263 params->civicloc_len,
1264 link_conf);
bc847970 1265
bcc27fab
LB		 1266 if (err < 0) {
1267 kfree(new);
bc847970 1268 return err;
bcc27fab 1269 }
bc847970 1270
15ddba5f 1271 _changed |= BSS_CHANGED_FTM_RESPONDER;
bc847970
PKC		 1272 }
1273
d9f83f22 1274 rcu_assign_pointer(link->u.ap.beacon, new);
bfd8403a 1275 sdata->u.ap.active = true;
8860020e
JB		 1276
1277 if (old)
1278 kfree_rcu(old, rcu_head);
7827493b 1279
15ddba5f
A		 1280 *changed |= _changed;
1281 return 0;
5dfdaf58
JB		 1282}
1283
5fcc7c51
AKS		 1284static u8 ieee80211_num_beaconing_links(struct ieee80211_sub_if_data *sdata)
1285{
1286 struct ieee80211_link_data *link;
1287 u8 link_id, num = 0;
1288
1289 if (sdata->vif.type != NL80211_IFTYPE_AP &&
1290 sdata->vif.type != NL80211_IFTYPE_P2P_GO)
1291 return num;
1292
68b44b05
AKS		 1293 /* non-MLO mode of operation also uses link_id 0 in sdata so it is
1294 * safe to directly proceed with the below loop
1295 */
5fcc7c51
AKS		 1296 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
1297 link = sdata_dereference(sdata->link[link_id], sdata);
1298 if (!link)
1299 continue;
1300
1301 if (sdata_dereference(link->u.ap.beacon, sdata))
1302 num++;
1303 }
1304
1305 return num;
1306}
1307
8860020e
JB		 1308static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1309 struct cfg80211_ap_settings *params)
5dfdaf58 1310{
8860020e 1311 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 1312 struct ieee80211_local *local = sdata->local;
5dfdaf58 1313 struct beacon_data *old;
665c93a9 1314 struct ieee80211_sub_if_data *vlan;
2cc25e4b 1315 u64 changed = BSS_CHANGED_BEACON_INT |
8860020e
JB		 1316 BSS_CHANGED_BEACON_ENABLED |
1317 BSS_CHANGED_BEACON |
4bcc56bb 1318 BSS_CHANGED_P2P_PS |
a0de1ca3 1319 BSS_CHANGED_TXPOWER |
322cd27c 1320 BSS_CHANGED_TWT;
08fad438 1321 int i, err;
83e37e0b 1322 int prev_beacon_int;
d9f83f22 1323 unsigned int link_id = params->beacon.link_id;
d8675a63
JB		 1324 struct ieee80211_link_data *link;
1325 struct ieee80211_bss_conf *link_conf;
6092077a 1326 struct ieee80211_chan_req chanreq = { .oper = params->chandef };
d8675a63 1327
0cd8080e
JB		 1328 lockdep_assert_wiphy(local->hw.wiphy);
1329
d8675a63
JB		 1330 link = sdata_dereference(sdata->link[link_id], sdata);
1331 if (!link)
1332 return -ENOLINK;
1333
1334 link_conf = link->conf;
14db74bc 1335
d9f83f22 1336 old = sdata_dereference(link->u.ap.beacon, sdata);
5dfdaf58
JB		 1337 if (old)
1338 return -EALREADY;
1339
d9f83f22 1340 link->smps_mode = IEEE80211_SMPS_OFF;
b3dd8279 1341
d9f83f22 1342 link->needed_rx_chains = sdata->local->rx_chains;
04ecd257 1343
d9f83f22
ST		 1344 prev_beacon_int = link_conf->beacon_int;
1345 link_conf->beacon_int = params->beacon_interval;
ac668afe 1346
2ad7dd94
RL		 1347 if (params->ht_cap)
1348 link_conf->ht_ldpc =
1349 params->ht_cap->cap_info &
1350 cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING);
1351
42470fa0 1352 if (params->vht_cap) {
2ad7dd94
RL		 1353 link_conf->vht_ldpc =
1354 params->vht_cap->vht_cap_info &
1355 cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC);
42470fa0
MS		 1356 link_conf->vht_su_beamformer =
1357 params->vht_cap->vht_cap_info &
1358 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
1359 link_conf->vht_su_beamformee =
1360 params->vht_cap->vht_cap_info &
1361 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
1362 link_conf->vht_mu_beamformer =
1363 params->vht_cap->vht_cap_info &
1364 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
1365 link_conf->vht_mu_beamformee =
1366 params->vht_cap->vht_cap_info &
1367 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
1368 }
1369
03efb863 1370 if (params->he_cap && params->he_oper) {
d9f83f22
ST		 1371 link_conf->he_support = true;
1372 link_conf->htc_trig_based_pkt_ext =
03efb863
ST		 1373 le32_get_bits(params->he_oper->he_oper_params,
1374 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
d9f83f22 1375 link_conf->frame_time_rts_th =
03efb863
ST		 1376 le32_get_bits(params->he_oper->he_oper_params,
1377 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
322cd27c
P		 1378 changed |= BSS_CHANGED_HE_OBSS_PD;
1379
3d48cb74 1380 if (params->beacon.he_bss_color.enabled)
322cd27c 1381 changed |= BSS_CHANGED_HE_BSS_COLOR;
03efb863 1382 }
34fb190e 1383
b1b3297d 1384 if (params->he_cap) {
2ad7dd94
RL		 1385 link_conf->he_ldpc =
1386 params->he_cap->phy_cap_info[1] &
1387 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
b1b3297d
MS		 1388 link_conf->he_su_beamformer =
1389 params->he_cap->phy_cap_info[3] &
1390 IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
1391 link_conf->he_su_beamformee =
1392 params->he_cap->phy_cap_info[4] &
1393 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE;
1394 link_conf->he_mu_beamformer =
1395 params->he_cap->phy_cap_info[4] &
1396 IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
1397 link_conf->he_full_ul_mumimo =
1398 params->he_cap->phy_cap_info[2] &
1399 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO;
1400 }
1401
2cc25e4b 1402 if (params->eht_cap) {
e3e0ca32
AD		 1403 if (!link_conf->he_support)
1404 return -EOPNOTSUPP;
1405
1406 link_conf->eht_support = true;
f4d1181e
RL		 1407
1408 link_conf->eht_su_beamformer =
1409 params->eht_cap->fixed.phy_cap_info[0] &
1410 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER;
1411 link_conf->eht_su_beamformee =
1412 params->eht_cap->fixed.phy_cap_info[0] &
1413 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
1414 link_conf->eht_mu_beamformer =
1415 params->eht_cap->fixed.phy_cap_info[7] &
1416 (IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
1417 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
1418 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ);
f9a0757a
PKC		 1419 link_conf->eht_80mhz_full_bw_ul_mumimo =
1420 params->eht_cap->fixed.phy_cap_info[7] &
1421 (IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
1422 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
1423 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ);
22c64f37
MK		 1424 link_conf->eht_disable_mcs15 =
1425 u8_get_bits(params->eht_oper->params,
1426 IEEE80211_EHT_OPER_MCS15_DISABLE);
f4d1181e
RL		 1427 } else {
1428 link_conf->eht_su_beamformer = false;
1429 link_conf->eht_su_beamformee = false;
1430 link_conf->eht_mu_beamformer = false;
2cc25e4b
AD		 1431 }
1432
17196425
JC		 1433 if (sdata->vif.type == NL80211_IFTYPE_AP &&
1434 params->mbssid_config.tx_wdev) {
1435 err = ieee80211_set_ap_mbssid_options(sdata,
f2aadc72 1436 &params->mbssid_config,
d9f83f22 1437 link_conf);
17196425
JC		 1438 if (err)
1439 return err;
1440 }
1441
6092077a 1442 err = ieee80211_link_use_channel(link, &chanreq,
b4f85443 1443 IEEE80211_CHANCTX_SHARED);
4e141dad 1444 if (!err)
d9f83f22 1445 ieee80211_link_copy_chanctx_to_vlans(link, false);
83e37e0b 1446 if (err) {
d9f83f22 1447 link_conf->beacon_int = prev_beacon_int;
aa430da4 1448 return err;
83e37e0b 1449 }
aa430da4 1450
665c93a9
JB		 1451 /*
1452 * Apply control port protocol, this allows us to
1453 * not encrypt dynamic WEP control frames.
1454 */
1455 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1456 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
018f6fbf
DK		 1457 sdata->control_port_over_nl80211 =
1458 params->crypto.control_port_over_nl80211;
7f3f96ce
MT		 1459 sdata->control_port_no_preauth =
1460 params->crypto.control_port_no_preauth;
2475b1cc 1461
665c93a9
JB		 1462 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1463 vlan->control_port_protocol =
1464 params->crypto.control_port_ethertype;
1465 vlan->control_port_no_encrypt =
1466 params->crypto.control_port_no_encrypt;
018f6fbf
DK		 1467 vlan->control_port_over_nl80211 =
1468 params->crypto.control_port_over_nl80211;
7f3f96ce
MT		 1469 vlan->control_port_no_preauth =
1470 params->crypto.control_port_no_preauth;
665c93a9
JB		 1471 }
1472
d9f83f22
ST		 1473 link_conf->dtim_period = params->dtim_period;
1474 link_conf->enable_beacon = true;
1475 link_conf->allow_p2p_go_ps = sdata->vif.p2p;
1476 link_conf->twt_responder = params->twt_responder;
1477 link_conf->he_obss_pd = params->he_obss_pd;
1478 link_conf->he_bss_color = params->beacon.he_bss_color;
f276e20b 1479 sdata->vif.cfg.s1g = params->chandef.chan->band ==
1d00ce80 1480 NL80211_BAND_S1GHZ;
8860020e 1481
f276e20b 1482 sdata->vif.cfg.ssid_len = params->ssid_len;
8860020e 1483 if (params->ssid_len)
f276e20b 1484 memcpy(sdata->vif.cfg.ssid, params->ssid,
8860020e 1485 params->ssid_len);
d9f83f22 1486 link_conf->hidden_ssid =
8860020e
JB		 1487 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1488
d9f83f22
ST		 1489 memset(&link_conf->p2p_noa_attr, 0,
1490 sizeof(link_conf->p2p_noa_attr));
1491 link_conf->p2p_noa_attr.oppps_ctwindow =
67baf663
JD		 1492 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1493 if (params->p2p_opp_ps)
d9f83f22 1494 link_conf->p2p_noa_attr.oppps_ctwindow |=
67baf663 1495 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 1496
08fad438
JM		 1497 sdata->beacon_rate_set = false;
1498 if (wiphy_ext_feature_isset(local->hw.wiphy,
1499 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1500 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1501 sdata->beacon_rateidx_mask[i] =
1502 params->beacon_rate.control[i].legacy;
1503 if (sdata->beacon_rateidx_mask[i])
1504 sdata->beacon_rate_set = true;
1505 }
1506 }
1507
ba6ff70a 1508 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
d9f83f22 1509 link_conf->beacon_tx_rate = params->beacon_rate;
ba6ff70a 1510
15ddba5f
A		 1511 err = ieee80211_assign_beacon(sdata, link, &params->beacon, NULL, NULL,
1512 &changed);
295b02c4
AD		 1513 if (err < 0)
1514 goto error;
8860020e 1515
3b1c256e 1516 err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
392d3dfd 1517 link, link_conf, &changed);
3b1c256e
AD		 1518 if (err < 0)
1519 goto error;
295b02c4 1520
3b1c256e
AD		 1521 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1522 &params->unsol_bcast_probe_resp,
178e9d6a 1523 link, link_conf, &changed);
3b1c256e
AD		 1524 if (err < 0)
1525 goto error;
632189a0 1526
b327c84c 1527 err = drv_start_ap(sdata->local, sdata, link_conf);
1041638f 1528 if (err) {
d9f83f22 1529 old = sdata_dereference(link->u.ap.beacon, sdata);
7ca133bc 1530
1041638f
JB		 1531 if (old)
1532 kfree_rcu(old, rcu_head);
d9f83f22 1533 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
6d4ed5b3
AKS		 1534
1535 if (ieee80211_num_beaconing_links(sdata) == 0)
1536 sdata->u.ap.active = false;
1537
295b02c4 1538 goto error;
1041638f
JB		 1539 }
1540
057d5f4b 1541 ieee80211_recalc_dtim(local, sdata);
d9f83f22 1542 ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID);
d8675a63 1543 ieee80211_link_info_change_notify(sdata, link, changed);
8860020e 1544
5fcc7c51
AKS		 1545 if (ieee80211_num_beaconing_links(sdata) <= 1)
1546 netif_carrier_on(dev);
1547
3edaf3e6
JB		 1548 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1549 netif_carrier_on(vlan->dev);
1550
665c93a9 1551 return 0;
295b02c4
AD		 1552
1553error:
d9f83f22 1554 ieee80211_link_release_channel(link);
87a27062 1555
295b02c4 1556 return err;
5dfdaf58
JB		 1557}
1558
8860020e 1559static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
bb55441c 1560 struct cfg80211_ap_update *params)
66f85d57 1561
5dfdaf58 1562{
d9f83f22 1563 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
d8675a63 1564 struct ieee80211_link_data *link;
66f85d57 1565 struct cfg80211_beacon_data *beacon = &params->beacon;
5dfdaf58 1566 struct beacon_data *old;
8860020e 1567 int err;
d8675a63 1568 struct ieee80211_bss_conf *link_conf;
15ddba5f 1569 u64 changed = 0;
5dfdaf58 1570
076fc877 1571 lockdep_assert_wiphy(wiphy);
14db74bc 1572
66f85d57 1573 link = sdata_dereference(sdata->link[beacon->link_id], sdata);
d8675a63
JB		 1574 if (!link)
1575 return -ENOLINK;
1576
1577 link_conf = link->conf;
1578
5f9404ab 1579 /* don't allow changing the beacon while a countdown is in place - offset
73da7d5b
SW		 1580 * of channel switch counter may change
1581 */
d9f83f22 1582 if (link_conf->csa_active || link_conf->color_change_active)
73da7d5b
SW		 1583 return -EBUSY;
1584
d8675a63 1585 old = sdata_dereference(link->u.ap.beacon, sdata);
5dfdaf58
JB		 1586 if (!old)
1587 return -ENOENT;
1588
66f85d57 1589 err = ieee80211_assign_beacon(sdata, link, beacon, NULL, NULL,
15ddba5f 1590 &changed);
8860020e
JB		 1591 if (err < 0)
1592 return err;
195b9a0f 1593
6bc5ddb2 1594 err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
392d3dfd 1595 link, link_conf, &changed);
6bc5ddb2
AD		 1596 if (err < 0)
1597 return err;
6bc5ddb2
AD		 1598
1599 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1600 &params->unsol_bcast_probe_resp,
178e9d6a 1601 link, link_conf, &changed);
6bc5ddb2
AD		 1602 if (err < 0)
1603 return err;
6bc5ddb2 1604
66f85d57
AD		 1605 if (beacon->he_bss_color_valid &&
1606 beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
1607 link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled;
15ddba5f 1608 changed |= BSS_CHANGED_HE_BSS_COLOR;
195b9a0f
LS		 1609 }
1610
15ddba5f 1611 ieee80211_link_info_change_notify(sdata, link, changed);
8860020e 1612 return 0;
5dfdaf58
JB		 1613}
1614
d9f83f22 1615static void ieee80211_free_next_beacon(struct ieee80211_link_data *link)
0baef284 1616{
d9f83f22 1617 if (!link->u.ap.next_beacon)
0baef284
JB		 1618 return;
1619
d9f83f22 1620 kfree(link->u.ap.next_beacon->mbssid_ies);
68b9bea2 1621 kfree(link->u.ap.next_beacon->rnr_ies);
d9f83f22
ST		 1622 kfree(link->u.ap.next_beacon);
1623 link->u.ap.next_beacon = NULL;
0baef284
JB		 1624}
1625
7b0a0e3c
JB		 1626static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
1627 unsigned int link_id)
5dfdaf58 1628{
7b20b8e8
JB		 1629 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1630 struct ieee80211_sub_if_data *vlan;
1631 struct ieee80211_local *local = sdata->local;
1632 struct beacon_data *old_beacon;
1633 struct probe_resp *old_probe_resp;
295b02c4 1634 struct fils_discovery_data *old_fils_discovery;
632189a0 1635 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
d2859df5 1636 struct cfg80211_chan_def chandef;
d8675a63
JB		 1637 struct ieee80211_link_data *link =
1638 sdata_dereference(sdata->link[link_id], sdata);
1639 struct ieee80211_bss_conf *link_conf = link->conf;
1c0d21c4 1640 LIST_HEAD(keys);
14db74bc 1641
0cd8080e 1642 lockdep_assert_wiphy(local->hw.wiphy);
dbd72850 1643
d9f83f22 1644 old_beacon = sdata_dereference(link->u.ap.beacon, sdata);
7b20b8e8 1645 if (!old_beacon)
5dfdaf58 1646 return -ENOENT;
d9f83f22 1647 old_probe_resp = sdata_dereference(link->u.ap.probe_resp,
bfd8403a 1648 sdata);
d9f83f22 1649 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery,
295b02c4 1650 sdata);
632189a0 1651 old_unsol_bcast_probe_resp =
d9f83f22 1652 sdata_dereference(link->u.ap.unsol_bcast_probe_resp,
632189a0 1653 sdata);
5dfdaf58 1654
a23d7f5b 1655 /* abort any running channel switch or color change */
d9f83f22 1656 link_conf->csa_active = false;
a23d7f5b 1657 link_conf->color_change_active = false;
dc494fdc 1658 ieee80211_vif_unblock_queues_csa(sdata);
a46992b4 1659
d9f83f22 1660 ieee80211_free_next_beacon(link);
1f3b8a2b 1661
7b20b8e8 1662 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1663 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1664 netif_carrier_off(vlan->dev);
5fcc7c51 1665
6d4ed5b3 1666 if (ieee80211_num_beaconing_links(sdata) <= 1) {
5fcc7c51 1667 netif_carrier_off(dev);
6d4ed5b3
AKS		 1668 sdata->u.ap.active = false;
1669 }
3edaf3e6 1670
7b20b8e8 1671 /* remove beacon and probe response */
d9f83f22
ST		 1672 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1673 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL);
1674 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
1675 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
7b20b8e8
JB		 1676 kfree_rcu(old_beacon, rcu_head);
1677 if (old_probe_resp)
1678 kfree_rcu(old_probe_resp, rcu_head);
295b02c4
AD		 1679 if (old_fils_discovery)
1680 kfree_rcu(old_fils_discovery, rcu_head);
632189a0
AD		 1681 if (old_unsol_bcast_probe_resp)
1682 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
8860020e 1683
d9f83f22
ST		 1684 kfree(link_conf->ftmr_params);
1685 link_conf->ftmr_params = NULL;
bc847970 1686
0eb38842
AD		 1687 link_conf->bssid_index = 0;
1688 link_conf->nontransmitted = false;
1689 link_conf->ema_ap = false;
1690 link_conf->bssid_indicator = 0;
1691
a10723ce 1692 __sta_info_flush(sdata, true, link_id, NULL);
1c0d21c4
RS		 1693
1694 ieee80211_remove_link_keys(link, &keys);
1695 if (!list_empty(&keys)) {
1696 synchronize_net();
1697 ieee80211_free_key_list(local, &keys);
1698 }
75de9113 1699
f6008327
RS		 1700 ieee80211_stop_mbssid(sdata);
1701 RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL);
1702
d9f83f22 1703 link_conf->enable_beacon = false;
08fad438 1704 sdata->beacon_rate_set = false;
f276e20b 1705 sdata->vif.cfg.ssid_len = 0;
d6a83228 1706 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
d8675a63 1707 ieee80211_link_info_change_notify(sdata, link,
7fc83a2b 1708 BSS_CHANGED_BEACON_ENABLED);
8860020e 1709
0b779823 1710 if (sdata->wdev.links[link_id].cac_started) {
6092077a 1711 chandef = link_conf->chanreq.oper;
6241d79f 1712 wiphy_delayed_work_cancel(wiphy, &link->dfs_cac_timer_work);
d2859df5
JD		 1713 cfg80211_cac_event(sdata->dev, &chandef,
1714 NL80211_RADAR_CAC_ABORTED,
0b779823 1715 GFP_KERNEL, link_id);
a6b368f6
SW		 1716 }
1717
b327c84c 1718 drv_stop_ap(sdata->local, sdata, link_conf);
1041638f 1719
7b20b8e8
JB		 1720 /* free all potentially still buffered bcast frames */
1721 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
6b07d9ca 1722 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
7b20b8e8 1723
d9f83f22
ST		 1724 ieee80211_link_copy_chanctx_to_vlans(link, true);
1725 ieee80211_link_release_channel(link);
55de908a 1726
2d0ddec5 1727 return 0;
5dfdaf58
JB		 1728}
1729
d582cffb
JB		 1730static int sta_apply_auth_flags(struct ieee80211_local *local,
1731 struct sta_info *sta,
1732 u32 mask, u32 set)
1733{
1734 int ret;
1735
1736 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1737 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1738 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1739 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1740 if (ret)
1741 return ret;
1742 }
1743
1744 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1745 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1746 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1747 /*
1748 * When peer becomes associated, init rate control as
1749 * well. Some drivers require rate control initialized
1750 * before drv_sta_state() is called.
1751 */
44674d9c 1752 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
f828deb7 1753 rate_control_rate_init_all_links(sta);
c23e31cf 1754
d582cffb
JB		 1755 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1756 if (ret)
1757 return ret;
1758 }
1759
1760 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1761 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1762 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1763 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1764 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1765 else
1766 ret = 0;
1767 if (ret)
1768 return ret;
1769 }
1770
1771 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1772 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1773 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1774 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1775 if (ret)
1776 return ret;
1777 }
1778
1779 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1780 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1781 test_sta_flag(sta, WLAN_STA_AUTH)) {
1782 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1783 if (ret)
1784 return ret;
1785 }
1786
1787 return 0;
1788}
1789
13657702
JB		 1790static void sta_apply_mesh_params(struct ieee80211_local *local,
1791 struct sta_info *sta,
1792 struct station_parameters *params)
1793{
1794#ifdef CONFIG_MAC80211_MESH
1795 struct ieee80211_sub_if_data *sdata = sta->sdata;
15ddba5f 1796 u64 changed = 0;
13657702
JB		 1797
1798 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1799 switch (params->plink_state) {
1800 case NL80211_PLINK_ESTAB:
1801 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1802 changed = mesh_plink_inc_estab_count(sdata);
1803 sta->mesh->plink_state = params->plink_state;
7d27a0ba 1804 sta->mesh->aid = params->peer_aid;
13657702
JB		 1805
1806 ieee80211_mps_sta_status_update(sta);
1807 changed |= ieee80211_mps_set_sta_local_pm(sta,
1808 sdata->u.mesh.mshcfg.power_mode);
67fc0554
JH		 1809
1810 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1811 /* init at low value */
1812 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1813
13657702
JB		 1814 break;
1815 case NL80211_PLINK_LISTEN:
1816 case NL80211_PLINK_BLOCKED:
1817 case NL80211_PLINK_OPN_SNT:
1818 case NL80211_PLINK_OPN_RCVD:
1819 case NL80211_PLINK_CNF_RCVD:
1820 case NL80211_PLINK_HOLDING:
1821 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1822 changed = mesh_plink_dec_estab_count(sdata);
1823 sta->mesh->plink_state = params->plink_state;
1824
1825 ieee80211_mps_sta_status_update(sta);
1826 changed |= ieee80211_mps_set_sta_local_pm(sta,
1827 NL80211_MESH_POWER_UNKNOWN);
1828 break;
1829 default:
1830 /* nothing */
1831 break;
1832 }
1833 }
1834
1835 switch (params->plink_action) {
1836 case NL80211_PLINK_ACTION_NO_ACTION:
1837 /* nothing */
1838 break;
1839 case NL80211_PLINK_ACTION_OPEN:
1840 changed |= mesh_plink_open(sta);
1841 break;
1842 case NL80211_PLINK_ACTION_BLOCK:
1843 changed |= mesh_plink_block(sta);
1844 break;
1845 }
1846
1847 if (params->local_pm)
1848 changed |= ieee80211_mps_set_sta_local_pm(sta,
1849 params->local_pm);
1850
1851 ieee80211_mbss_info_change_notify(sdata, changed);
1852#endif
1853}
1854
03ecd745
JB		 1855enum sta_link_apply_mode {
1856 STA_LINK_MODE_NEW,
1857 STA_LINK_MODE_STA_MODIFY,
1858 STA_LINK_MODE_LINK_MODIFY,
1859};
1860
b95eb7f0 1861static int sta_link_apply_parameters(struct ieee80211_local *local,
03ecd745
JB		 1862 struct sta_info *sta,
1863 enum sta_link_apply_mode mode,
b95eb7f0
ST		 1864 struct link_station_parameters *params)
1865{
b95eb7f0
ST		 1866 struct ieee80211_supported_band *sband;
1867 struct ieee80211_sub_if_data *sdata = sta->sdata;
1868 u32 link_id = params->link_id < 0 ? 0 : params->link_id;
d8675a63
JB		 1869 struct ieee80211_link_data *link =
1870 sdata_dereference(sdata->link[link_id], sdata);
b95eb7f0
ST		 1871 struct link_sta_info *link_sta =
1872 rcu_dereference_protected(sta->link[link_id],
4d3acf43 1873 lockdep_is_held(&local->hw.wiphy->mtx));
03ecd745
JB		 1874 bool changes = params->link_mac ||
1875 params->txpwr_set ||
1876 params->supported_rates_len ||
1877 params->ht_capa ||
1878 params->vht_capa ||
1879 params->he_capa ||
1880 params->eht_capa ||
1881 params->opmode_notif_used;
1882
1883 switch (mode) {
1884 case STA_LINK_MODE_NEW:
1885 if (!params->link_mac)
1886 return -EINVAL;
1887 break;
1888 case STA_LINK_MODE_LINK_MODIFY:
1889 break;
1890 case STA_LINK_MODE_STA_MODIFY:
1891 if (params->link_id >= 0)
1892 break;
1893 if (!changes)
1894 return 0;
1895 break;
1896 }
b303835d 1897
d8675a63 1898 if (!link || !link_sta)
b95eb7f0
ST		 1899 return -EINVAL;
1900
d8675a63 1901 sband = ieee80211_get_link_sband(link);
b95eb7f0
ST		 1902 if (!sband)
1903 return -EINVAL;
1904
1905 if (params->link_mac) {
03ecd745 1906 if (mode == STA_LINK_MODE_NEW) {
9aebce6c
JB		 1907 memcpy(link_sta->addr, params->link_mac, ETH_ALEN);
1908 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN);
1909 } else if (!ether_addr_equal(link_sta->addr,
1910 params->link_mac)) {
1911 return -EINVAL;
1912 }
b95eb7f0
ST		 1913 }
1914
1915 if (params->txpwr_set) {
642508a4
JB		 1916 int ret;
1917
b95eb7f0
ST		 1918 link_sta->pub->txpwr.type = params->txpwr.type;
1919 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1920 link_sta->pub->txpwr.power = params->txpwr.power;
1921 ret = drv_sta_set_txpwr(local, sdata, sta);
1922 if (ret)
1923 return ret;
1924 }
1925
1926 if (params->supported_rates &&
16ee3ea8
ML		 1927 params->supported_rates_len &&
1928 !ieee80211_parse_bitrates(link->conf->chanreq.oper.width,
1929 sband, params->supported_rates,
1930 params->supported_rates_len,
1931 &link_sta->pub->supp_rates[sband->band]))
1932 return -EINVAL;
b95eb7f0
ST		 1933
1934 if (params->ht_capa)
1935 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1936 params->ht_capa, link_sta);
1937
1938 /* VHT can override some HT caps such as the A-MSDU max length */
1939 if (params->vht_capa)
1940 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
084cf2ae
JB		 1941 params->vht_capa, NULL,
1942 link_sta);
b95eb7f0
ST		 1943
1944 if (params->he_capa)
1945 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1946 (void *)params->he_capa,
1947 params->he_capa_len,
1948 (void *)params->he_6ghz_capa,
1949 link_sta);
1950
e8edb346 1951 if (params->he_capa && params->eht_capa)
b95eb7f0
ST		 1952 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
1953 (u8 *)params->he_capa,
1954 params->he_capa_len,
1955 params->eht_capa,
1956 params->eht_capa_len,
1957 link_sta);
1958
819e0f1e
BL		 1959 ieee80211_sta_init_nss(link_sta);
1960
b95eb7f0 1961 if (params->opmode_notif_used) {
58fcb1b4
MHL		 1962 enum nl80211_chan_width width = link->conf->chanreq.oper.width;
1963
1964 switch (width) {
1965 case NL80211_CHAN_WIDTH_20:
1966 case NL80211_CHAN_WIDTH_40:
1967 case NL80211_CHAN_WIDTH_80:
1968 case NL80211_CHAN_WIDTH_160:
1969 case NL80211_CHAN_WIDTH_80P80:
1970 case NL80211_CHAN_WIDTH_320: /* not VHT, allowed for HE/EHT */
1971 break;
1972 default:
1973 return -EINVAL;
1974 }
1975
b95eb7f0
ST		 1976 /* returned value is only needed for rc update, but the
1977 * rc isn't initialized here yet, so ignore it
1978 */
1979 __ieee80211_vht_handle_opmode(sdata, link_sta,
1980 params->opmode_notif,
1981 sband->band);
1982 }
1983
642508a4 1984 return 0;
b95eb7f0
ST		 1985}
1986
d9a7ddb0
JB		 1987static int sta_apply_parameters(struct ieee80211_local *local,
1988 struct sta_info *sta,
1989 struct station_parameters *params)
4fd6931e 1990{
d0709a65 1991 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 1992 u32 mask, set;
45b12570 1993 int ret = 0;
ae5eb026 1994
eccb8e8f
JB		 1995 mask = params->sta_flags_mask;
1996 set = params->sta_flags_set;
73651ee6 1997
d582cffb
JB		 1998 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1999 /*
2000 * In mesh mode, ASSOCIATED isn't part of the nl80211
2001 * API but must follow AUTHENTICATED for driver state.
2002 */
2003 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
2004 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2005 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
2006 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 2007 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
2008 /*
2009 * TDLS -- everything follows authorized, but
2010 * only becoming authorized is possible, not
2011 * going back
2012 */
2013 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2014 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2015 BIT(NL80211_STA_FLAG_ASSOCIATED);
2016 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2017 BIT(NL80211_STA_FLAG_ASSOCIATED);
2018 }
eccb8e8f 2019 }
4fd6931e 2020
2c44be81
JB		 2021 if (mask & BIT(NL80211_STA_FLAG_WME) &&
2022 local->hw.queues >= IEEE80211_NUM_ACS)
2023 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
2024
44674d9c 2025 /* auth flags will be set later for TDLS,
b18dacab 2026 * and for unassociated stations that move to associated */
44674d9c
AB		 2027 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2028 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
2029 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
68885a54
AN		 2030 ret = sta_apply_auth_flags(local, sta, mask, set);
2031 if (ret)
2032 return ret;
2033 }
d9a7ddb0 2034
eccb8e8f 2035 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 2036 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 2037 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
2038 else
2039 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 2040 }
4fd6931e 2041
eccb8e8f 2042 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
93f0490e 2043 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 2044 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 2045 set_sta_flag(sta, WLAN_STA_MFP);
2046 else
2047 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 2048 }
b39c48fa 2049
07ba55d7 2050 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 2051 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 2052 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
2053 else
2054 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 2055 }
4fd6931e 2056
3b220ed8
JB		 2057 if (mask & BIT(NL80211_STA_FLAG_SPP_AMSDU))
2058 sta->sta.spp_amsdu = set & BIT(NL80211_STA_FLAG_SPP_AMSDU);
2059
9041c1fa
AN		 2060 /* mark TDLS channel switch support, if the AP allows it */
2061 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
ab3a830d 2062 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited &&
9041c1fa
AN		 2063 params->ext_capab_len >= 4 &&
2064 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
2065 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
2066
b98fb44f 2067 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
82c0cc90 2068 !sdata->u.mgd.tdls_wider_bw_prohibited &&
b98fb44f
AN		 2069 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
2070 params->ext_capab_len >= 8 &&
2071 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
2072 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
2073
3b9ce80c
JB		 2074 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
2075 sta->sta.uapsd_queues = params->uapsd_queues;
2076 sta->sta.max_sp = params->max_sp;
2077 }
9533b4ac 2078
175ad2ec
JB		 2079 ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab,
2080 params->ext_capab_len);
506bcfa8 2081
51b50fbe
JB		 2082 /*
2083 * cfg80211 validates this (1-2007) and allows setting the AID
2084 * only when creating a new station entry
2085 */
2086 if (params->aid)
2087 sta->sta.aid = params->aid;
2088
73651ee6 2089 /*
ba23d206
JB		 2090 * Some of the following updates would be racy if called on an
2091 * existing station, via ieee80211_change_station(). However,
2092 * all such changes are rejected by cfg80211 except for updates
2093 * changing the supported rates on an existing but not yet used
2094 * TDLS peer.
73651ee6
JB		 2095 */
2096
4fd6931e
JB		 2097 if (params->listen_interval >= 0)
2098 sta->listen_interval = params->listen_interval;
2099
14e0f59a
RK		 2100 if (params->eml_cap_present)
2101 sta->sta.eml_cap = params->eml_cap;
2102
03ecd745 2103 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_STA_MODIFY,
9aebce6c 2104 &params->link_sta_params);
b95eb7f0
ST		 2105 if (ret)
2106 return ret;
b1bce14a 2107
52cfa1d6
AB		 2108 if (params->support_p2p_ps >= 0)
2109 sta->sta.support_p2p_ps = params->support_p2p_ps;
2110
13657702
JB		 2111 if (ieee80211_vif_is_mesh(&sdata->vif))
2112 sta_apply_mesh_params(local, sta, params);
d9a7ddb0 2113
b4809e94 2114 if (params->airtime_weight)
942741da 2115 sta->airtime_weight = params->airtime_weight;
b4809e94 2116
68885a54 2117 /* set the STA state after all sta info from usermode has been set */
44674d9c
AB		 2118 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
2119 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
68885a54
AN		 2120 ret = sta_apply_auth_flags(local, sta, mask, set);
2121 if (ret)
2122 return ret;
2123 }
2124
3e0278b7
AO		 2125 /* Mark the STA as MLO if MLD MAC address is available */
2126 if (params->link_sta_params.mld_mac)
2127 sta->sta.mlo = true;
2128
d9a7ddb0 2129 return 0;
4fd6931e
JB		 2130}
2131
2132static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 2133 const u8 *mac,
2134 struct station_parameters *params)
4fd6931e 2135{
14db74bc 2136 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 2137 struct sta_info *sta;
2138 struct ieee80211_sub_if_data *sdata;
73651ee6 2139 int err;
4fd6931e 2140
4d3acf43
JB		 2141 lockdep_assert_wiphy(local->hw.wiphy);
2142
4fd6931e
JB		 2143 if (params->vlan) {
2144 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
2145
05c914fe
JB		 2146 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
2147 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 2148 return -EINVAL;
2149 } else
2150 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2151
b203ca39 2152 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 2153 return -EINVAL;
2154
52dba8d7 2155 if (!is_valid_ether_addr(mac))
03e4497e
JB		 2156 return -EINVAL;
2157
5fd2f91a
JB		 2158 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
2159 sdata->vif.type == NL80211_IFTYPE_STATION &&
2160 !sdata->u.mgd.associated)
2161 return -EINVAL;
2162
206c8c06
JB		 2163 /*
2164 * If we have a link ID, it can be a non-MLO station on an AP MLD,
2165 * but we need to have a link_mac in that case as well, so use the
2166 * STA's MAC address in that case.
2167 */
f36fe0a2
JB		 2168 if (params->link_sta_params.link_id >= 0)
2169 sta = sta_info_alloc_with_link(sdata, mac,
2170 params->link_sta_params.link_id,
206c8c06 2171 params->link_sta_params.link_mac ?: mac,
f36fe0a2
JB		 2172 GFP_KERNEL);
2173 else
2174 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
2175
73651ee6
JB		 2176 if (!sta)
2177 return -ENOMEM;
4fd6931e 2178
44674d9c
AB		 2179 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2180 sta->sta.tdls = true;
4fd6931e 2181
b95eb7f0
ST		 2182 /* Though the mutex is not needed here (since the station is not
2183 * visible yet), sta_apply_parameters (and inner functions) require
2184 * the mutex due to other paths.
2185 */
d9a7ddb0
JB		 2186 err = sta_apply_parameters(local, sta, params);
2187 if (err) {
2188 sta_info_free(local, sta);
2189 return err;
2190 }
4fd6931e 2191
d64cf63e 2192 /*
44674d9c
AB		 2193 * for TDLS and for unassociated station, rate control should be
2194 * initialized only when rates are known and station is marked
2195 * authorized/associated
d64cf63e 2196 */
44674d9c
AB		 2197 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2198 test_sta_flag(sta, WLAN_STA_ASSOC))
f828deb7 2199 rate_control_rate_init_all_links(sta);
4fd6931e 2200
4ebdce1d 2201 return sta_info_insert(sta);
4fd6931e
JB		 2202}
2203
2204static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 2205 struct station_del_parameters *params)
4fd6931e 2206{
14db74bc 2207 struct ieee80211_sub_if_data *sdata;
4fd6931e 2208
14db74bc
JB		 2209 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2210
89c771e5
JM		 2211 if (params->mac)
2212 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 2213
ec67d6e0 2214 sta_info_flush(sdata, params->link_id);
4fd6931e
JB		 2215 return 0;
2216}
2217
2218static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 2219 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 2220 struct station_parameters *params)
2221{
abe60632 2222 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 2223 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 2224 struct sta_info *sta;
2225 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 2226 enum cfg80211_station_type statype;
35b88623 2227 int err;
4fd6931e 2228
4d3acf43 2229 lockdep_assert_wiphy(local->hw.wiphy);
98dd6a57 2230
0e5ded5a 2231 sta = sta_info_get_bss(sdata, mac);
4d3acf43
JB		 2232 if (!sta)
2233 return -ENOENT;
4fd6931e 2234
77ee7c89
JB		 2235 switch (sdata->vif.type) {
2236 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 2237 if (sdata->u.mesh.user_mpm)
eef941e6 2238 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 2239 else
eef941e6 2240 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 2241 break;
2242 case NL80211_IFTYPE_ADHOC:
2243 statype = CFG80211_STA_IBSS;
2244 break;
2245 case NL80211_IFTYPE_STATION:
2246 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
2247 statype = CFG80211_STA_AP_STA;
2248 break;
2249 }
2250 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2251 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
2252 else
2253 statype = CFG80211_STA_TDLS_PEER_SETUP;
2254 break;
2255 case NL80211_IFTYPE_AP:
2256 case NL80211_IFTYPE_AP_VLAN:
44674d9c
AB		 2257 if (test_sta_flag(sta, WLAN_STA_ASSOC))
2258 statype = CFG80211_STA_AP_CLIENT;
2259 else
2260 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
77ee7c89
JB		 2261 break;
2262 default:
4d3acf43 2263 return -EOPNOTSUPP;
bdd90d5e
JB		 2264 }
2265
77ee7c89
JB		 2266 err = cfg80211_check_station_change(wiphy, params, statype);
2267 if (err)
4d3acf43 2268 return err;
77ee7c89 2269
d0709a65 2270 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 2271 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
2272
9bc383de 2273 if (params->vlan->ieee80211_ptr->use_4addr) {
4d3acf43
JB		 2274 if (vlansdata->u.vlan.sta)
2275 return -EBUSY;
f14543ee 2276
cf778b00 2277 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
49ddf8e6 2278 __ieee80211_check_fast_rx_iface(vlansdata);
1ff4e8f2 2279 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
7e3ed02c
FF		 2280 }
2281
2282 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
4f2bdb3c 2283 sta->sdata->u.vlan.sta)
0c2bef46 2284 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
72f15d53
MB		 2285
2286 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2287 ieee80211_vif_dec_num_mcast(sta->sdata);
f14543ee 2288
14db74bc 2289 sta->sdata = vlansdata;
4f2bdb3c 2290 ieee80211_check_fast_rx(sta);
464daaf0 2291 ieee80211_check_fast_xmit(sta);
7e3ed02c 2292
3e493173 2293 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
72f15d53 2294 ieee80211_vif_inc_num_mcast(sta->sdata);
3e493173
JM		 2295 cfg80211_send_layer2_update(sta->sdata->dev,
2296 sta->sta.addr);
2297 }
4fd6931e
JB		 2298 }
2299
076fc877 2300 err = sta_apply_parameters(local, sta, params);
77ee7c89 2301 if (err)
4d3acf43 2302 return err;
98dd6a57 2303
808118cb 2304 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 2305 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4a733ef1 2306 ieee80211_recalc_ps(local);
ab095877
EP		 2307 ieee80211_recalc_ps_vif(sdata);
2308 }
77ee7c89 2309
4fd6931e
JB		 2310 return 0;
2311}
2312
c5dd9c2b
LCC		 2313#ifdef CONFIG_MAC80211_MESH
2314static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 2315 const u8 *dst, const u8 *next_hop)
c5dd9c2b 2316{
14db74bc 2317 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 2318 struct mesh_path *mpath;
2319 struct sta_info *sta;
c5dd9c2b 2320
14db74bc
JB		 2321 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2322
d0709a65 2323 rcu_read_lock();
abe60632 2324 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 2325 if (!sta) {
2326 rcu_read_unlock();
c5dd9c2b 2327 return -ENOENT;
d0709a65 2328 }
c5dd9c2b 2329
ae76eef0
BC		 2330 mpath = mesh_path_add(sdata, dst);
2331 if (IS_ERR(mpath)) {
d0709a65 2332 rcu_read_unlock();
ae76eef0 2333 return PTR_ERR(mpath);
d0709a65 2334 }
c5dd9c2b 2335
c5dd9c2b 2336 mesh_path_fix_nexthop(mpath, sta);
d0709a65 2337
c5dd9c2b
LCC		 2338 rcu_read_unlock();
2339 return 0;
2340}
2341
2342static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 2343 const u8 *dst)
c5dd9c2b 2344{
f698d856
JBG		 2345 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2346
c5dd9c2b 2347 if (dst)
bf7cd94d 2348 return mesh_path_del(sdata, dst);
c5dd9c2b 2349
ece1a2e7 2350 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 2351 return 0;
2352}
2353
3b3a0162
JB		 2354static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
2355 const u8 *dst, const u8 *next_hop)
c5dd9c2b 2356{
14db74bc 2357 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 2358 struct mesh_path *mpath;
2359 struct sta_info *sta;
2360
14db74bc
JB		 2361 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2362
d0709a65
JB		 2363 rcu_read_lock();
2364
abe60632 2365 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 2366 if (!sta) {
2367 rcu_read_unlock();
c5dd9c2b 2368 return -ENOENT;
d0709a65 2369 }
c5dd9c2b 2370
bf7cd94d 2371 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 2372 if (!mpath) {
2373 rcu_read_unlock();
c5dd9c2b
LCC		 2374 return -ENOENT;
2375 }
2376
2377 mesh_path_fix_nexthop(mpath, sta);
d0709a65 2378
c5dd9c2b
LCC		 2379 rcu_read_unlock();
2380 return 0;
2381}
2382
2383static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
2384 struct mpath_info *pinfo)
2385{
a3836e02
JB		 2386 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
2387
2388 if (next_hop_sta)
2389 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 2390 else
c84a67a2 2391 eth_zero_addr(next_hop);
c5dd9c2b 2392
7ce8c7a3
LAYS		 2393 memset(pinfo, 0, sizeof(*pinfo));
2394
2bdaf386 2395 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
f5ea9120 2396
c5dd9c2b 2397 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 2398 MPATH_INFO_SN |
c5dd9c2b
LCC		 2399 MPATH_INFO_METRIC |
2400 MPATH_INFO_EXPTIME |
2401 MPATH_INFO_DISCOVERY_TIMEOUT |
2402 MPATH_INFO_DISCOVERY_RETRIES |
cc241636 2403 MPATH_INFO_FLAGS |
540bbcb9
JH		 2404 MPATH_INFO_HOP_COUNT |
2405 MPATH_INFO_PATH_CHANGE;
c5dd9c2b
LCC		 2406
2407 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 2408 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 2409 pinfo->metric = mpath->metric;
2410 if (time_before(jiffies, mpath->exp_time))
2411 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
2412 pinfo->discovery_timeout =
2413 jiffies_to_msecs(mpath->discovery_timeout);
2414 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 2415 if (mpath->flags & MESH_PATH_ACTIVE)
2416 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
2417 if (mpath->flags & MESH_PATH_RESOLVING)
2418 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 2419 if (mpath->flags & MESH_PATH_SN_VALID)
2420 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 2421 if (mpath->flags & MESH_PATH_FIXED)
2422 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 2423 if (mpath->flags & MESH_PATH_RESOLVED)
2424 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
cc241636 2425 pinfo->hop_count = mpath->hop_count;
540bbcb9 2426 pinfo->path_change_count = mpath->path_change_count;
c5dd9c2b
LCC		 2427}
2428
2429static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
2430 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
2431
2432{
14db74bc 2433 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 2434 struct mesh_path *mpath;
2435
14db74bc
JB		 2436 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2437
c5dd9c2b 2438 rcu_read_lock();
bf7cd94d 2439 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 2440 if (!mpath) {
2441 rcu_read_unlock();
2442 return -ENOENT;
2443 }
2444 memcpy(dst, mpath->dst, ETH_ALEN);
2445 mpath_set_pinfo(mpath, next_hop, pinfo);
2446 rcu_read_unlock();
2447 return 0;
2448}
2449
2450static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 2451 int idx, u8 *dst, u8 *next_hop,
2452 struct mpath_info *pinfo)
c5dd9c2b 2453{
14db74bc 2454 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 2455 struct mesh_path *mpath;
2456
14db74bc
JB		 2457 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2458
c5dd9c2b 2459 rcu_read_lock();
bf7cd94d 2460 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 2461 if (!mpath) {
2462 rcu_read_unlock();
2463 return -ENOENT;
2464 }
2465 memcpy(dst, mpath->dst, ETH_ALEN);
2466 mpath_set_pinfo(mpath, next_hop, pinfo);
2467 rcu_read_unlock();
2468 return 0;
2469}
93da9cc1 2470
a2db2ed3
HR		 2471static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2472 struct mpath_info *pinfo)
2473{
2474 memset(pinfo, 0, sizeof(*pinfo));
2475 memcpy(mpp, mpath->mpp, ETH_ALEN);
2476
2bdaf386 2477 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
a2db2ed3
HR		 2478}
2479
2480static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2481 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2482
2483{
2484 struct ieee80211_sub_if_data *sdata;
2485 struct mesh_path *mpath;
2486
2487 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2488
2489 rcu_read_lock();
2490 mpath = mpp_path_lookup(sdata, dst);
2491 if (!mpath) {
2492 rcu_read_unlock();
2493 return -ENOENT;
2494 }
2495 memcpy(dst, mpath->dst, ETH_ALEN);
2496 mpp_set_pinfo(mpath, mpp, pinfo);
2497 rcu_read_unlock();
2498 return 0;
2499}
2500
2501static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2502 int idx, u8 *dst, u8 *mpp,
2503 struct mpath_info *pinfo)
2504{
2505 struct ieee80211_sub_if_data *sdata;
2506 struct mesh_path *mpath;
2507
2508 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2509
2510 rcu_read_lock();
2511 mpath = mpp_path_lookup_by_idx(sdata, idx);
2512 if (!mpath) {
2513 rcu_read_unlock();
2514 return -ENOENT;
2515 }
2516 memcpy(dst, mpath->dst, ETH_ALEN);
2517 mpp_set_pinfo(mpath, mpp, pinfo);
2518 rcu_read_unlock();
2519 return 0;
2520}
2521
24bdd9f4 2522static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 2523 struct net_device *dev,
2524 struct mesh_config *conf)
2525{
2526 struct ieee80211_sub_if_data *sdata;
2527 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2528
93da9cc1 2529 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2530 return 0;
2531}
2532
2533static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2534{
2535 return (mask >> (parm-1)) & 0x1;
2536}
2537
c80d545d
JC		 2538static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2539 const struct mesh_setup *setup)
2540{
2541 u8 *new_ie;
4bb62344
CYY		 2542 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2543 struct ieee80211_sub_if_data, u.mesh);
08fad438 2544 int i;
c80d545d 2545
581a8b0f 2546 /* allocate information elements */
c80d545d 2547 new_ie = NULL;
c80d545d 2548
581a8b0f
JC		 2549 if (setup->ie_len) {
2550 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 2551 GFP_KERNEL);
2552 if (!new_ie)
2553 return -ENOMEM;
2554 }
581a8b0f
JC		 2555 ifmsh->ie_len = setup->ie_len;
2556 ifmsh->ie = new_ie;
c80d545d
JC		 2557
2558 /* now copy the rest of the setup parameters */
2559 ifmsh->mesh_id_len = setup->mesh_id_len;
2560 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 2561 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 2562 ifmsh->mesh_pp_id = setup->path_sel_proto;
2563 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 2564 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 2565 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce 2566 ifmsh->security = IEEE80211_MESH_SEC_NONE;
0ab2e55d 2567 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
b130e5ce
JC		 2568 if (setup->is_authenticated)
2569 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2570 if (setup->is_secure)
2571 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 2572
4bb62344
CYY		 2573 /* mcast rate setting in Mesh Node */
2574 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2575 sizeof(setup->mcast_rate));
ffb3cf30 2576 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 2577
9bdbf04d
MP		 2578 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2579 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2580
08fad438
JM		 2581 sdata->beacon_rate_set = false;
2582 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2583 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2584 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2585 sdata->beacon_rateidx_mask[i] =
2586 setup->beacon_rate.control[i].legacy;
2587 if (sdata->beacon_rateidx_mask[i])
2588 sdata->beacon_rate_set = true;
2589 }
2590 }
2591
c80d545d
JC		 2592 return 0;
2593}
2594
24bdd9f4 2595static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 2596 struct net_device *dev, u32 mask,
2597 const struct mesh_config *nconf)
93da9cc1 2598{
2599 struct mesh_config *conf;
2600 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 2601 struct ieee80211_if_mesh *ifmsh;
2602
93da9cc1 2603 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 2604 ifmsh = &sdata->u.mesh;
93da9cc1 2605
93da9cc1 2606 /* Set the config options which we are interested in setting */
2607 conf = &(sdata->u.mesh.mshcfg);
2608 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2609 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2610 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2611 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2612 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2613 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2614 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2615 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2616 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2617 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2618 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2619 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 2620 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 2621 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 2622 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2623 if (ifmsh->user_mpm)
2624 return -EBUSY;
93da9cc1 2625 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 2626 }
d299a1f2
JC		 2627 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2628 conf->dot11MeshNbrOffsetMaxNeighbor =
2629 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 2630 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2631 conf->dot11MeshHWMPmaxPREQretries =
2632 nconf->dot11MeshHWMPmaxPREQretries;
2633 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2634 conf->path_refresh_time = nconf->path_refresh_time;
2635 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2636 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2637 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2638 conf->dot11MeshHWMPactivePathTimeout =
2639 nconf->dot11MeshHWMPactivePathTimeout;
2640 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2641 conf->dot11MeshHWMPpreqMinInterval =
2642 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 2643 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2644 conf->dot11MeshHWMPperrMinInterval =
2645 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 2646 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2647 mask))
2648 conf->dot11MeshHWMPnetDiameterTraversalTime =
2649 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 2650 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2651 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2652 ieee80211_mesh_root_setup(ifmsh);
2653 }
16dd7267 2654 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 2655 /* our current gate announcement implementation rides on root
2656 * announcements, so require this ifmsh to also be a root node
2657 * */
2658 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 2659 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2660 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 2661 ieee80211_mesh_root_setup(ifmsh);
2662 }
16dd7267
JC		 2663 conf->dot11MeshGateAnnouncementProtocol =
2664 nconf->dot11MeshGateAnnouncementProtocol;
2665 }
a4f606ea 2666 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 2667 conf->dot11MeshHWMPRannInterval =
2668 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 2669 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2670 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 2671 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2672 /* our RSSI threshold implementation is supported only for
2673 * devices that report signal in dBm.
2674 */
30686bf7 2675 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
0528e0fd 2676 return -EOPNOTSUPP;
55335137
AN		 2677 conf->rssi_threshold = nconf->rssi_threshold;
2678 }
70c33eaa
AN		 2679 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2680 conf->ht_opmode = nconf->ht_opmode;
2681 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
d8675a63
JB		 2682 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
2683 BSS_CHANGED_HT);
70c33eaa 2684 }
ac1073a6
CYY		 2685 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2686 conf->dot11MeshHWMPactivePathToRootTimeout =
2687 nconf->dot11MeshHWMPactivePathToRootTimeout;
2688 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2689 conf->dot11MeshHWMProotInterval =
2690 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 2691 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2692 conf->dot11MeshHWMPconfirmationInterval =
2693 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 2694 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2695 conf->power_mode = nconf->power_mode;
2696 ieee80211_mps_local_status_update(sdata);
2697 }
2b5e1967 2698 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 2699 conf->dot11MeshAwakeWindowDuration =
2700 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 2701 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2702 conf->plink_timeout = nconf->plink_timeout;
01d66fbd
BC		 2703 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2704 conf->dot11MeshConnectedToMeshGate =
2705 nconf->dot11MeshConnectedToMeshGate;
e3718a61
LL		 2706 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2707 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
184eebe6
MT		 2708 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2709 conf->dot11MeshConnectedToAuthServer =
2710 nconf->dot11MeshConnectedToAuthServer;
2b5e1967 2711 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 2712 return 0;
2713}
2714
29cbe68c
JB		 2715static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2716 const struct mesh_config *conf,
2717 const struct mesh_setup *setup)
2718{
2719 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
6092077a 2720 struct ieee80211_chan_req chanreq = { .oper = setup->chandef };
29cbe68c 2721 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 2722 int err;
29cbe68c 2723
0cd8080e
JB		 2724 lockdep_assert_wiphy(sdata->local->hw.wiphy);
2725
c80d545d
JC		 2726 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2727 err = copy_mesh_setup(ifmsh, setup);
2728 if (err)
2729 return err;
cc1d2806 2730
018f6fbf
DK		 2731 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2732
04ecd257 2733 /* can mesh use other SMPS modes? */
bfd8403a
JB		 2734 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
2735 sdata->deflink.needed_rx_chains = sdata->local->rx_chains;
04ecd257 2736
6092077a 2737 err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
b4f85443 2738 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 2739 if (err)
2740 return err;
2741
2b5e1967 2742 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 2743}
2744
2745static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2746{
2747 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2748
0cd8080e
JB		 2749 lockdep_assert_wiphy(sdata->local->hw.wiphy);
2750
29cbe68c 2751 ieee80211_stop_mesh(sdata);
d8675a63 2752 ieee80211_link_release_channel(&sdata->deflink);
6a01afcf 2753 kfree(sdata->u.mesh.ie);
29cbe68c
JB		 2754
2755 return 0;
2756}
c5dd9c2b
LCC		 2757#endif
2758
9f1ba906
JM		 2759static int ieee80211_change_bss(struct wiphy *wiphy,
2760 struct net_device *dev,
2761 struct bss_parameters *params)
2762{
55de908a 2763 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
9a886df0 2764 struct ieee80211_link_data *link;
21a8e9dd 2765 struct ieee80211_supported_band *sband;
15ddba5f 2766 u64 changed = 0;
9f1ba906 2767
9a886df0
JB		 2768 link = ieee80211_link_or_deflink(sdata, params->link_id, true);
2769 if (IS_ERR(link))
2770 return PTR_ERR(link);
2771
2772 if (!sdata_dereference(link->u.ap.beacon, sdata))
55de908a
JB		 2773 return -ENOENT;
2774
9a886df0 2775 sband = ieee80211_get_link_sband(link);
21a8e9dd
MSS		 2776 if (!sband)
2777 return -EINVAL;
9f1ba906 2778
ce04abc3 2779 if (params->basic_rates) {
6092077a 2780 if (!ieee80211_parse_bitrates(link->conf->chanreq.oper.width,
ce04abc3
JB		 2781 wiphy->bands[sband->band],
2782 params->basic_rates,
2783 params->basic_rates_len,
2784 &link->conf->basic_rates))
2785 return -EINVAL;
2786 changed |= BSS_CHANGED_BASIC_RATES;
2787 ieee80211_check_rate_mask(link);
2788 }
2789
9f1ba906 2790 if (params->use_cts_prot >= 0) {
9a886df0 2791 link->conf->use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 2792 changed |= BSS_CHANGED_ERP_CTS_PROT;
2793 }
2794 if (params->use_short_preamble >= 0) {
9a886df0 2795 link->conf->use_short_preamble = params->use_short_preamble;
9f1ba906
JM		 2796 changed |= BSS_CHANGED_ERP_PREAMBLE;
2797 }
43d35343 2798
9a886df0 2799 if (!link->conf->use_short_slot &&
07c12d61
TM		 2800 (sband->band == NL80211_BAND_5GHZ ||
2801 sband->band == NL80211_BAND_6GHZ)) {
9a886df0 2802 link->conf->use_short_slot = true;
43d35343
FF		 2803 changed |= BSS_CHANGED_ERP_SLOT;
2804 }
2805
9f1ba906 2806 if (params->use_short_slot_time >= 0) {
9a886df0 2807 link->conf->use_short_slot = params->use_short_slot_time;
9f1ba906
JM		 2808 changed |= BSS_CHANGED_ERP_SLOT;
2809 }
2810
7b7b5e56
FF		 2811 if (params->ap_isolate >= 0) {
2812 if (params->ap_isolate)
2813 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2814 else
2815 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
49ddf8e6 2816 ieee80211_check_fast_rx_iface(sdata);
7b7b5e56
FF		 2817 }
2818
80d7e403 2819 if (params->ht_opmode >= 0) {
9a886df0 2820 link->conf->ht_operation_mode = (u16)params->ht_opmode;
80d7e403
HS		 2821 changed |= BSS_CHANGED_HT;
2822 }
2823
339afbf4 2824 if (params->p2p_ctwindow >= 0) {
9a886df0 2825 link->conf->p2p_noa_attr.oppps_ctwindow &=
67baf663 2826 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
9a886df0 2827 link->conf->p2p_noa_attr.oppps_ctwindow |=
67baf663 2828 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 2829 changed |= BSS_CHANGED_P2P_PS;
2830 }
2831
67baf663 2832 if (params->p2p_opp_ps > 0) {
9a886df0 2833 link->conf->p2p_noa_attr.oppps_ctwindow |=
67baf663
JD		 2834 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2835 changed |= BSS_CHANGED_P2P_PS;
2836 } else if (params->p2p_opp_ps == 0) {
9a886df0 2837 link->conf->p2p_noa_attr.oppps_ctwindow &=
67baf663 2838 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 2839 changed |= BSS_CHANGED_P2P_PS;
2840 }
2841
9a886df0 2842 ieee80211_link_info_change_notify(sdata, link, changed);
9f1ba906
JM		 2843
2844 return 0;
2845}
2846
31888487 2847static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 2848 struct net_device *dev,
31888487
JM		 2849 struct ieee80211_txq_params *params)
2850{
2851 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 2852 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c88f1542 2853 struct ieee80211_link_data *link =
ccdde7c7 2854 ieee80211_link_or_deflink(sdata, params->link_id, true);
31888487
JM		 2855 struct ieee80211_tx_queue_params p;
2856
2857 if (!local->ops->conf_tx)
2858 return -EOPNOTSUPP;
2859
54bcbc69
JB		 2860 if (local->hw.queues < IEEE80211_NUM_ACS)
2861 return -EOPNOTSUPP;
2862
c88f1542
ST		 2863 if (IS_ERR(link))
2864 return PTR_ERR(link);
2865
31888487
JM		 2866 memset(&p, 0, sizeof(p));
2867 p.aifs = params->aifs;
2868 p.cw_max = params->cwmax;
2869 p.cw_min = params->cwmin;
2870 p.txop = params->txop;
ab13315a
KV		 2871
2872 /*
2873 * Setting tx queue params disables u-apsd because it's only
2874 * called in master mode.
2875 */
2876 p.uapsd = false;
2877
e552af05
HD		 2878 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2879
b3e2130b
JB		 2880 link->tx_conf[params->ac] = p;
2881 if (drv_conf_tx(local, link, params->ac, &p)) {
0fb9a9ec 2882 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2883 "failed to set TX queue parameters for AC %d\n",
2884 params->ac);
31888487
JM		 2885 return -EINVAL;
2886 }
2887
b3e2130b 2888 ieee80211_link_info_change_notify(sdata, link,
d8675a63 2889 BSS_CHANGED_QOS);
7d25745d 2890
31888487
JM		 2891 return 0;
2892}
2893
665af4fc 2894#ifdef CONFIG_PM
ff1b6e69
JB		 2895static int ieee80211_suspend(struct wiphy *wiphy,
2896 struct cfg80211_wowlan *wowlan)
665af4fc 2897{
eecc4800 2898 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2899}
2900
2901static int ieee80211_resume(struct wiphy *wiphy)
2902{
2903 return __ieee80211_resume(wiphy_priv(wiphy));
2904}
2905#else
2906#define ieee80211_suspend NULL
2907#define ieee80211_resume NULL
2908#endif
2909
2a519311 2910static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2911 struct cfg80211_scan_request *req)
2912{
fd014284
JB		 2913 struct ieee80211_sub_if_data *sdata;
2914
2915 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2916
2ca27bcf
JB		 2917 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2918 case NL80211_IFTYPE_STATION:
2919 case NL80211_IFTYPE_ADHOC:
2920 case NL80211_IFTYPE_MESH_POINT:
2921 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2922 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2923 break;
2924 case NL80211_IFTYPE_P2P_GO:
2925 if (sdata->local->ops->hw_scan)
2926 break;
e9d7732e
JB		 2927 /*
2928 * FIXME: implement NoA while scanning in software,
2929 * for now fall through to allow scanning only when
2930 * beaconing hasn't been configured yet
2931 */
fc0561dc 2932 fallthrough;
2ca27bcf 2933 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2934 /*
2935 * If the scan has been forced (and the driver supports
2936 * forcing), don't care about being beaconing already.
2937 * This will create problems to the attached stations (e.g. all
71a659bf 2938 * the frames sent while scanning on other channel will be
5c95b940
AQ		 2939 * lost)
2940 */
78a7a126 2941 if (ieee80211_num_beaconing_links(sdata) &&
5c95b940
AQ		 2942 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2943 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2944 return -EOPNOTSUPP;
2945 break;
cb3b7d87 2946 case NL80211_IFTYPE_NAN:
2ca27bcf
JB		 2947 default:
2948 return -EOPNOTSUPP;
2949 }
2a519311
JB		 2950
2951 return ieee80211_request_scan(sdata, req);
2952}
2953
91f123f2
VK		 2954static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2955{
2956 ieee80211_scan_cancel(wiphy_priv(wiphy));
2957}
2958
79f460ca
LC		 2959static int
2960ieee80211_sched_scan_start(struct wiphy *wiphy,
2961 struct net_device *dev,
2962 struct cfg80211_sched_scan_request *req)
2963{
2964 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2965
2966 if (!sdata->local->ops->sched_scan_start)
2967 return -EOPNOTSUPP;
2968
2969 return ieee80211_request_sched_scan_start(sdata, req);
2970}
2971
2972static int
3a3ecf1d
AVS		 2973ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2974 u64 reqid)
79f460ca 2975{
0d440ea2 2976 struct ieee80211_local *local = wiphy_priv(wiphy);
79f460ca 2977
0d440ea2 2978 if (!local->ops->sched_scan_stop)
79f460ca
LC		 2979 return -EOPNOTSUPP;
2980
0d440ea2 2981 return ieee80211_request_sched_scan_stop(local);
79f460ca
LC		 2982}
2983
636a5d36
JM		 2984static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2985 struct cfg80211_auth_request *req)
2986{
77fdaa12 2987 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2988}
2989
2990static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2991 struct cfg80211_assoc_request *req)
2992{
77fdaa12 2993 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2994}
2995
2996static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2997 struct cfg80211_deauth_request *req)
636a5d36 2998{
63c9c5e7 2999 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 3000}
3001
3002static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 3003 struct cfg80211_disassoc_request *req)
636a5d36 3004{
63c9c5e7 3005 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 3006}
3007
af8cdcd8
JB		 3008static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
3009 struct cfg80211_ibss_params *params)
3010{
55de908a 3011 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 3012}
3013
3014static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
3015{
55de908a 3016 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 3017}
3018
239281f8
RL		 3019static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
3020 struct ocb_setup *setup)
3021{
3022 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
3023}
3024
3025static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
3026{
3027 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
3028}
3029
391e53e3 3030static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
57fbcce3 3031 int rate[NUM_NL80211_BANDS])
391e53e3
AQ		 3032{
3033 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3034
9887dbf5 3035 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
57fbcce3 3036 sizeof(int) * NUM_NL80211_BANDS);
391e53e3 3037
02c665f0
JB		 3038 if (ieee80211_sdata_running(sdata))
3039 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
3040 BSS_CHANGED_MCAST_RATE);
dcbe73ca 3041
391e53e3
AQ		 3042 return 0;
3043}
3044
b9a5f8ca
JM		 3045static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
3046{
3047 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 3048 int err;
b9a5f8ca 3049
f23a4780 3050 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 3051 ieee80211_check_fast_xmit_all(local);
3052
f23a4780
AN		 3053 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
3054
17c18bf8
JB		 3055 if (err) {
3056 ieee80211_check_fast_xmit_all(local);
f23a4780 3057 return err;
17c18bf8 3058 }
f23a4780
AN		 3059 }
3060
a4bcaf55
LB		 3061 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
3062 (changed & WIPHY_PARAM_DYN_ACK)) {
3063 s16 coverage_class;
3064
3065 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
3066 wiphy->coverage_class : -1;
3067 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 3068
3069 if (err)
3070 return err;
3071 }
3072
b9a5f8ca 3073 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 3074 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 3075
24487981
JB		 3076 if (err)
3077 return err;
b9a5f8ca
JM		 3078 }
3079
8bc83c24
JB		 3080 if (changed & WIPHY_PARAM_RETRY_SHORT) {
3081 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
3082 return -EINVAL;
b9a5f8ca 3083 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 3084 }
3085 if (changed & WIPHY_PARAM_RETRY_LONG) {
3086 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
3087 return -EINVAL;
b9a5f8ca 3088 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 3089 }
b9a5f8ca
JM		 3090 if (changed &
3091 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
3092 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
3093
2fe4a29a
THJ		 3094 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
3095 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
3096 WIPHY_PARAM_TXQ_QUANTUM))
3097 ieee80211_txq_set_params(local);
3098
b9a5f8ca
JM		 3099 return 0;
3100}
3101
7643a2c3 3102static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 3103 struct wireless_dev *wdev,
fa61cf70 3104 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 3105{
3106 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 3107 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 3108 enum nl80211_tx_power_setting txp_type = type;
3109 bool update_txp_type = false;
3a3713ec 3110 bool has_monitor = false;
c4382d5c 3111 int user_power_level;
8dd04989 3112 int old_power = local->user_power_level;
7643a2c3 3113
be0df01d
JB		 3114 lockdep_assert_wiphy(local->hw.wiphy);
3115
c4382d5c
EG		 3116 switch (type) {
3117 case NL80211_TX_POWER_AUTOMATIC:
3118 user_power_level = IEEE80211_UNSET_POWER_LEVEL;
3119 txp_type = NL80211_TX_POWER_LIMITED;
3120 break;
3121 case NL80211_TX_POWER_LIMITED:
3122 case NL80211_TX_POWER_FIXED:
3123 if (mbm < 0 || (mbm % 100))
3124 return -EOPNOTSUPP;
3125 user_power_level = MBM_TO_DBM(mbm);
3126 break;
3127 default:
3128 return -EINVAL;
3129 }
3130
1ea6f9c0
JB		 3131 if (wdev) {
3132 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3133
9d40f7e3
FF		 3134 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3135 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
8f4fa087
JB		 3136 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
3137 return -EOPNOTSUPP;
3138
6dd23603
JB		 3139 sdata = wiphy_dereference(local->hw.wiphy,
3140 local->monitor_sdata);
3a3713ec
PG		 3141 if (!sdata)
3142 return -EOPNOTSUPP;
3143 }
3144
c4382d5c
EG		 3145 for (int link_id = 0;
3146 link_id < ARRAY_SIZE(sdata->link);
3147 link_id++) {
3148 struct ieee80211_link_data *link =
3149 wiphy_dereference(wiphy, sdata->link[link_id]);
1ea6f9c0 3150
c4382d5c
EG		 3151 if (!link)
3152 continue;
3153
3154 link->user_power_level = user_power_level;
db82d8a9 3155
c4382d5c
EG		 3156 if (txp_type != link->conf->txpower_type) {
3157 update_txp_type = true;
3158 link->conf->txpower_type = txp_type;
3159 }
1ea6f9c0 3160
c4382d5c
EG		 3161 ieee80211_recalc_txpower(link, update_txp_type);
3162 }
1ea6f9c0
JB		 3163 return 0;
3164 }
55de908a 3165
c4382d5c 3166 local->user_power_level = user_power_level;
7643a2c3 3167
db82d8a9 3168 list_for_each_entry(sdata, &local->interfaces, list) {
9d40f7e3
FF		 3169 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3170 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
3a3713ec
PG		 3171 has_monitor = true;
3172 continue;
3173 }
c4382d5c
EG		 3174
3175 for (int link_id = 0;
3176 link_id < ARRAY_SIZE(sdata->link);
3177 link_id++) {
3178 struct ieee80211_link_data *link =
3179 wiphy_dereference(wiphy, sdata->link[link_id]);
3180
3181 if (!link)
3182 continue;
3183
3184 link->user_power_level = local->user_power_level;
3185 if (txp_type != link->conf->txpower_type)
3186 update_txp_type = true;
3187 link->conf->txpower_type = txp_type;
3188 }
db82d8a9 3189 }
3a3713ec 3190 list_for_each_entry(sdata, &local->interfaces, list) {
9d40f7e3
FF		 3191 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3192 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
3a3713ec 3193 continue;
c4382d5c
EG		 3194
3195 for (int link_id = 0;
3196 link_id < ARRAY_SIZE(sdata->link);
3197 link_id++) {
3198 struct ieee80211_link_data *link =
3199 wiphy_dereference(wiphy, sdata->link[link_id]);
3200
3201 if (!link)
3202 continue;
3203
3204 ieee80211_recalc_txpower(link, update_txp_type);
3205 }
3a3713ec 3206 }
7643a2c3 3207
3a3713ec 3208 if (has_monitor) {
6dd23603
JB		 3209 sdata = wiphy_dereference(local->hw.wiphy,
3210 local->monitor_sdata);
8f4fa087 3211 if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) {
bfd8403a 3212 sdata->deflink.user_power_level = local->user_power_level;
3a3713ec
PG		 3213 if (txp_type != sdata->vif.bss_conf.txpower_type)
3214 update_txp_type = true;
3215 sdata->vif.bss_conf.txpower_type = txp_type;
3216
9925aa85
EG		 3217 ieee80211_recalc_txpower(&sdata->deflink,
3218 update_txp_type);
3a3713ec
PG		 3219 }
3220 }
3221
8dd04989
BG		 3222 if (local->emulate_chanctx &&
3223 (old_power != local->user_power_level))
3224 ieee80211_hw_conf_chan(local);
3225
7643a2c3
JB		 3226 return 0;
3227}
3228
c8442118
JB		 3229static int ieee80211_get_tx_power(struct wiphy *wiphy,
3230 struct wireless_dev *wdev,
7a53af85 3231 unsigned int link_id,
c8442118 3232 int *dbm)
7643a2c3
JB		 3233{
3234 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 3235 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
24dab555 3236 struct ieee80211_link_data *link_data;
7643a2c3 3237
393b6bc1
FF		 3238 if (local->ops->get_txpower &&
3239 (sdata->flags & IEEE80211_SDATA_IN_DRIVER))
24dab555 3240 return drv_get_txpower(local, sdata, link_id, dbm);
5b3dc42b 3241
24dab555 3242 if (local->emulate_chanctx) {
1ea6f9c0 3243 *dbm = local->hw.conf.power_level;
24dab555
RS		 3244 } else {
3245 link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
3246
3247 if (link_data)
3248 *dbm = link_data->conf->txpower;
3249 else
3250 return -ENOLINK;
3251 }
7643a2c3 3252
e160ab85
PKS		 3253 /* INT_MIN indicates no power level was set yet */
3254 if (*dbm == INT_MIN)
3255 return -EINVAL;
3256
7643a2c3
JB		 3257 return 0;
3258}
3259
1f87f7d3
JB		 3260static void ieee80211_rfkill_poll(struct wiphy *wiphy)
3261{
3262 struct ieee80211_local *local = wiphy_priv(wiphy);
3263
3264 drv_rfkill_poll(local);
3265}
3266
aff89a9b 3267#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 3268static int ieee80211_testmode_cmd(struct wiphy *wiphy,
3269 struct wireless_dev *wdev,
3270 void *data, int len)
aff89a9b
JB		 3271{
3272 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 3273 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 3274
3275 if (!local->ops->testmode_cmd)
3276 return -EOPNOTSUPP;
3277
52981cd7
DS		 3278 if (wdev) {
3279 struct ieee80211_sub_if_data *sdata;
3280
3281 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3282 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
3283 vif = &sdata->vif;
3284 }
3285
3286 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 3287}
71063f0e
WYG		 3288
3289static int ieee80211_testmode_dump(struct wiphy *wiphy,
3290 struct sk_buff *skb,
3291 struct netlink_callback *cb,
3292 void *data, int len)
3293{
3294 struct ieee80211_local *local = wiphy_priv(wiphy);
3295
3296 if (!local->ops->testmode_dump)
3297 return -EOPNOTSUPP;
3298
3299 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
3300}
aff89a9b
JB		 3301#endif
3302
687da132 3303int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
d8675a63 3304 struct ieee80211_link_data *link,
687da132 3305 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 3306{
3307 const u8 *ap;
3308 enum ieee80211_smps_mode old_req;
3309 int err;
d51c2ea3
AN		 3310 struct sta_info *sta;
3311 bool tdls_peer_found = false;
0f78231b 3312
076fc877 3313 lockdep_assert_wiphy(sdata->local->hw.wiphy);
243e6df4 3314
687da132
EG		 3315 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
3316 return -EINVAL;
3317
68f6c6af 3318 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
e665ab9c
IP		 3319 return 0;
3320
d8675a63
JB		 3321 old_req = link->u.mgd.req_smps;
3322 link->u.mgd.req_smps = smps_mode;
0f78231b 3323
00f823b6
IP		 3324 /* The driver indicated that EML is enabled for the interface, which
3325 * implies that SMPS flows towards the AP should be stopped.
3326 */
3327 if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE)
3328 return 0;
3329
0f78231b
JB		 3330 if (old_req == smps_mode &&
3331 smps_mode != IEEE80211_SMPS_AUTOMATIC)
3332 return 0;
3333
3334 /*
3335 * If not associated, or current association is not an HT
04ecd257
JB		 3336 * association, there's no need to do anything, just store
3337 * the new value until we associate.
0f78231b
JB		 3338 */
3339 if (!sdata->u.mgd.associated ||
6092077a 3340 link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 3341 return 0;
0f78231b 3342
e665ab9c 3343 ap = sdata->vif.cfg.ap_addr;
0f78231b 3344
d51c2ea3
AN		 3345 rcu_read_lock();
3346 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
3347 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
3348 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
3349 continue;
3350
3351 tdls_peer_found = true;
3352 break;
3353 }
3354 rcu_read_unlock();
3355
0f78231b 3356 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
d51c2ea3 3357 if (tdls_peer_found || !sdata->u.mgd.powersave)
0f78231b 3358 smps_mode = IEEE80211_SMPS_OFF;
d51c2ea3
AN		 3359 else
3360 smps_mode = IEEE80211_SMPS_DYNAMIC;
0f78231b
JB		 3361 }
3362
3363 /* send SM PS frame to AP */
3364 err = ieee80211_send_smps_action(sdata, smps_mode,
e665ab9c
IP		 3365 ap, ap,
3366 ieee80211_vif_is_mld(&sdata->vif) ?
3367 link->link_id : -1);
0f78231b 3368 if (err)
d8675a63 3369 link->u.mgd.req_smps = old_req;
d51c2ea3 3370 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
85977fc0 3371 ieee80211_teardown_tdls_peers(link);
0f78231b
JB		 3372
3373 return err;
3374}
3375
bc92afd9
JB		 3376static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
3377 bool enabled, int timeout)
3378{
3379 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3380 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
e9aac179 3381 unsigned int link_id;
bc92afd9 3382
2d3db210 3383 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 3384 return -EOPNOTSUPP;
3385
30686bf7 3386 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
bc92afd9
JB		 3387 return -EOPNOTSUPP;
3388
3389 if (enabled == sdata->u.mgd.powersave &&
ff616381 3390 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 3391 return 0;
3392
3393 sdata->u.mgd.powersave = enabled;
ff616381 3394 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 3395
0f78231b 3396 /* no change, but if automatic follow powersave */
e9aac179 3397 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {
d8675a63
JB		 3398 struct ieee80211_link_data *link;
3399
3400 link = sdata_dereference(sdata->link[link_id], sdata);
3401
3402 if (!link)
e9aac179 3403 continue;
d8675a63
JB		 3404 __ieee80211_request_smps_mgd(sdata, link,
3405 link->u.mgd.req_smps);
e9aac179 3406 }
0f78231b 3407
30686bf7 3408 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
bc92afd9
JB		 3409 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
3410
4a733ef1 3411 ieee80211_recalc_ps(local);
ab095877 3412 ieee80211_recalc_ps_vif(sdata);
1d870162 3413 ieee80211_check_fast_rx_iface(sdata);
bc92afd9
JB		 3414
3415 return 0;
3416}
3417
0e3a2238
IP		 3418static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata,
3419 struct ieee80211_link_data *link,
3420 s32 rssi_thold, u32 rssi_hyst,
3421 s32 rssi_low, s32 rssi_high)
3422{
3423 struct ieee80211_bss_conf *conf;
3424
3425 if (!link || !link->conf)
3426 return;
3427
3428 conf = link->conf;
3429
3430 if (rssi_thold && rssi_hyst &&
3431 rssi_thold == conf->cqm_rssi_thold &&
3432 rssi_hyst == conf->cqm_rssi_hyst)
3433 return;
3434
3435 conf->cqm_rssi_thold = rssi_thold;
3436 conf->cqm_rssi_hyst = rssi_hyst;
3437 conf->cqm_rssi_low = rssi_low;
3438 conf->cqm_rssi_high = rssi_high;
3439 link->u.mgd.last_cqm_event_signal = 0;
3440
3441 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
3442 return;
3443
3444 if (sdata->u.mgd.associated &&
3445 (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3446 ieee80211_link_info_change_notify(sdata, link, BSS_CHANGED_CQM);
3447}
3448
a97c13c3
JO		 3449static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
3450 struct net_device *dev,
3451 s32 rssi_thold, u32 rssi_hyst)
3452{
3453 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3 3454 struct ieee80211_vif *vif = &sdata->vif;
0e3a2238 3455 int link_id;
a97c13c3 3456
0e3a2238
IP		 3457 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER &&
3458 !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
ef9be10c
JB		 3459 return -EOPNOTSUPP;
3460
0e3a2238
IP		 3461 /* For MLD, handle CQM change on all the active links */
3462 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
3463 struct ieee80211_link_data *link =
3464 sdata_dereference(sdata->link[link_id], sdata);
2c3c5f8c 3465
0e3a2238
IP		 3466 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst,
3467 0, 0);
3468 }
2c3c5f8c
AZ		 3469
3470 return 0;
3471}
3472
3473static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
3474 struct net_device *dev,
3475 s32 rssi_low, s32 rssi_high)
3476{
3477 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3478 struct ieee80211_vif *vif = &sdata->vif;
0e3a2238 3479 int link_id;
2c3c5f8c 3480
0e3a2238 3481 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)
2c3c5f8c
AZ		 3482 return -EOPNOTSUPP;
3483
0e3a2238
IP		 3484 /* For MLD, handle CQM change on all the active links */
3485 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
3486 struct ieee80211_link_data *link =
3487 sdata_dereference(sdata->link[link_id], sdata);
a97c13c3 3488
0e3a2238
IP		 3489 ieee80211_set_cqm_rssi_link(sdata, link, 0, 0,
3490 rssi_low, rssi_high);
3491 }
a97c13c3
JO		 3492
3493 return 0;
3494}
3495
9930380f
JB		 3496static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
3497 struct net_device *dev,
7b0a0e3c 3498 unsigned int link_id,
9930380f
JB		 3499 const u8 *addr,
3500 const struct cfg80211_bitrate_mask *mask)
3501{
3502 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3503 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 3504 int i, ret;
2c7e6bc9 3505
554a43d5
EP		 3506 if (!ieee80211_sdata_running(sdata))
3507 return -ENETDOWN;
3508
e8e4f528
JB		 3509 /*
3510 * If active validate the setting and reject it if it doesn't leave
3511 * at least one basic rate usable, since we really have to be able
3512 * to send something, and if we're an AP we have to be able to do
3513 * so at a basic rate so that all clients can receive it.
3514 */
d0a9123e 3515 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) &&
6092077a 3516 sdata->vif.bss_conf.chanreq.oper.chan) {
e8e4f528 3517 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
6092077a
JB		 3518 enum nl80211_band band;
3519
3520 band = sdata->vif.bss_conf.chanreq.oper.chan->band;
e8e4f528
JB		 3521
3522 if (!(mask->control[band].legacy & basic_rates))
3523 return -EINVAL;
3524 }
3525
e5f5ce37
JB		 3526 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
3527 ret = drv_set_bitrate_mask(local, sdata, mask);
3528 if (ret)
3529 return ret;
3530 }
3531
57fbcce3 3532 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2ffbe6d3
FF		 3533 struct ieee80211_supported_band *sband = wiphy->bands[i];
3534 int j;
3535
37eb0b16 3536 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 3537 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
3538 sizeof(mask->control[i].ht_mcs));
b119ad6e
LB		 3539 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
3540 mask->control[i].vht_mcs,
3541 sizeof(mask->control[i].vht_mcs));
2ffbe6d3
FF		 3542
3543 sdata->rc_has_mcs_mask[i] = false;
b119ad6e 3544 sdata->rc_has_vht_mcs_mask[i] = false;
2ffbe6d3
FF		 3545 if (!sband)
3546 continue;
3547
b119ad6e 3548 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
1944015f 3549 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
2ffbe6d3 3550 sdata->rc_has_mcs_mask[i] = true;
2df1b131
JB		 3551 break;
3552 }
3553 }
b119ad6e 3554
2df1b131 3555 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
1944015f 3556 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
b119ad6e 3557 sdata->rc_has_vht_mcs_mask[i] = true;
2ffbe6d3 3558 break;
2df1b131 3559 }
b119ad6e 3560 }
19468413 3561 }
9930380f 3562
37eb0b16 3563 return 0;
9930380f
JB		 3564}
3565
164eb02d
SW		 3566static int ieee80211_start_radar_detection(struct wiphy *wiphy,
3567 struct net_device *dev,
31559f35 3568 struct cfg80211_chan_def *chandef,
81f67d60 3569 u32 cac_time_ms, int link_id)
164eb02d
SW		 3570{
3571 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
6092077a 3572 struct ieee80211_chan_req chanreq = { .oper = *chandef };
164eb02d 3573 struct ieee80211_local *local = sdata->local;
d74380ee 3574 struct ieee80211_link_data *link_data;
164eb02d
SW		 3575 int err;
3576
0cd8080e
JB		 3577 lockdep_assert_wiphy(local->hw.wiphy);
3578
f403fed7
AKS		 3579 if (!list_empty(&local->roc_list) || local->scanning)
3580 return -EBUSY;
164eb02d 3581
d74380ee
AKS		 3582 link_data = sdata_dereference(sdata->link[link_id], sdata);
3583 if (!link_data)
3584 return -ENOLINK;
3585
164eb02d 3586 /* whatever, but channel contexts should not complain about that one */
d74380ee
AKS		 3587 link_data->smps_mode = IEEE80211_SMPS_OFF;
3588 link_data->needed_rx_chains = local->rx_chains;
164eb02d 3589
d74380ee 3590 err = ieee80211_link_use_channel(link_data, &chanreq,
b4f85443 3591 IEEE80211_CHANCTX_SHARED);
164eb02d 3592 if (err)
f403fed7 3593 return err;
164eb02d 3594
d74380ee 3595 wiphy_delayed_work_queue(wiphy, &link_data->dfs_cac_timer_work,
766d2601 3596 msecs_to_jiffies(cac_time_ms));
164eb02d 3597
f403fed7 3598 return 0;
164eb02d
SW		 3599}
3600
26ec17a1 3601static void ieee80211_end_cac(struct wiphy *wiphy,
81f67d60 3602 struct net_device *dev, unsigned int link_id)
26ec17a1
OM		 3603{
3604 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3605 struct ieee80211_local *local = sdata->local;
d74380ee 3606 struct ieee80211_link_data *link_data;
26ec17a1 3607
0cd8080e
JB		 3608 lockdep_assert_wiphy(local->hw.wiphy);
3609
26ec17a1 3610 list_for_each_entry(sdata, &local->interfaces, list) {
d74380ee
AKS		 3611 link_data = sdata_dereference(sdata->link[link_id], sdata);
3612 if (!link_data)
3613 continue;
3614
766d2601 3615 wiphy_delayed_work_cancel(wiphy,
d74380ee 3616 &link_data->dfs_cac_timer_work);
26ec17a1 3617
d74380ee
AKS		 3618 if (sdata->wdev.links[link_id].cac_started) {
3619 ieee80211_link_release_channel(link_data);
3620 sdata->wdev.links[link_id].cac_started = false;
26ec17a1
OM		 3621 }
3622 }
26ec17a1
OM		 3623}
3624
73da7d5b
SW		 3625static struct cfg80211_beacon_data *
3626cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3627{
3628 struct cfg80211_beacon_data *new_beacon;
3629 u8 *pos;
3630 int len;
3631
3632 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3633 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
bd54f3c2
AD		 3634 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3635
3636 if (beacon->mbssid_ies)
3637 len += ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies,
68b9bea2 3638 beacon->rnr_ies,
bd54f3c2 3639 beacon->mbssid_ies->cnt);
73da7d5b
SW		 3640
3641 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3642 if (!new_beacon)
3643 return NULL;
3644
2b3171c6
LB		 3645 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3646 new_beacon->mbssid_ies =
3647 kzalloc(struct_size(new_beacon->mbssid_ies,
3648 elem, beacon->mbssid_ies->cnt),
3649 GFP_KERNEL);
3650 if (!new_beacon->mbssid_ies) {
3651 kfree(new_beacon);
3652 return NULL;
3653 }
68b9bea2
AD		 3654
3655 if (beacon->rnr_ies && beacon->rnr_ies->cnt) {
3656 new_beacon->rnr_ies =
3657 kzalloc(struct_size(new_beacon->rnr_ies,
3658 elem, beacon->rnr_ies->cnt),
3659 GFP_KERNEL);
3660 if (!new_beacon->rnr_ies) {
3661 kfree(new_beacon->mbssid_ies);
3662 kfree(new_beacon);
3663 return NULL;
3664 }
3665 }
2b3171c6
LB		 3666 }
3667
73da7d5b
SW		 3668 pos = (u8 *)(new_beacon + 1);
3669 if (beacon->head_len) {
3670 new_beacon->head_len = beacon->head_len;
3671 new_beacon->head = pos;
3672 memcpy(pos, beacon->head, beacon->head_len);
3673 pos += beacon->head_len;
3674 }
3675 if (beacon->tail_len) {
3676 new_beacon->tail_len = beacon->tail_len;
3677 new_beacon->tail = pos;
3678 memcpy(pos, beacon->tail, beacon->tail_len);
3679 pos += beacon->tail_len;
3680 }
3681 if (beacon->beacon_ies_len) {
3682 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3683 new_beacon->beacon_ies = pos;
3684 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3685 pos += beacon->beacon_ies_len;
3686 }
3687 if (beacon->proberesp_ies_len) {
3688 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3689 new_beacon->proberesp_ies = pos;
3690 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3691 pos += beacon->proberesp_ies_len;
3692 }
3693 if (beacon->assocresp_ies_len) {
3694 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3695 new_beacon->assocresp_ies = pos;
3696 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3697 pos += beacon->assocresp_ies_len;
3698 }
3699 if (beacon->probe_resp_len) {
3700 new_beacon->probe_resp_len = beacon->probe_resp_len;
bee92d06 3701 new_beacon->probe_resp = pos;
73da7d5b
SW		 3702 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3703 pos += beacon->probe_resp_len;
3704 }
68b9bea2 3705 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
2b3171c6
LB		 3706 pos += ieee80211_copy_mbssid_beacon(pos,
3707 new_beacon->mbssid_ies,
3708 beacon->mbssid_ies);
68b9bea2
AD		 3709 if (beacon->rnr_ies && beacon->rnr_ies->cnt)
3710 pos += ieee80211_copy_rnr_beacon(pos,
3711 new_beacon->rnr_ies,
3712 beacon->rnr_ies);
3713 }
03b73862
JB		 3714
3715 /* might copy -1, meaning no changes requested */
3716 new_beacon->ftm_responder = beacon->ftm_responder;
bc847970
PKC		 3717 if (beacon->lci) {
3718 new_beacon->lci_len = beacon->lci_len;
3719 new_beacon->lci = pos;
3720 memcpy(pos, beacon->lci, beacon->lci_len);
3721 pos += beacon->lci_len;
3722 }
3723 if (beacon->civicloc) {
3724 new_beacon->civicloc_len = beacon->civicloc_len;
3725 new_beacon->civicloc = pos;
3726 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3727 pos += beacon->civicloc_len;
3728 }
73da7d5b
SW		 3729
3730 return new_beacon;
3731}
3732
04ada859 3733void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id)
73da7d5b 3734{
66e01cf9 3735 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
c9eb90a5 3736 struct ieee80211_local *local = sdata->local;
f6008327 3737 struct ieee80211_bss_conf *tx_bss_conf;
04ada859
AKS		 3738 struct ieee80211_link_data *link_data;
3739
3740 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
3741 return;
c9eb90a5
JC		 3742
3743 rcu_read_lock();
3744
04ada859
AKS		 3745 link_data = rcu_dereference(sdata->link[link_id]);
3746 if (WARN_ON(!link_data)) {
3747 rcu_read_unlock();
3748 return;
3749 }
3750
f6008327
RS		 3751 tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf);
3752 if (tx_bss_conf == link_data->conf) {
c9eb90a5
JC		 3753 /* Trigger ieee80211_csa_finish() on the non-transmitting
3754 * interfaces when channel switch is received on
3755 * transmitting interface
3756 */
f6008327 3757 struct ieee80211_link_data *iter;
73da7d5b 3758
f6008327
RS		 3759 for_each_sdata_link(local, iter) {
3760 if (iter->sdata == sdata ||
3761 rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf)
c9eb90a5
JC		 3762 continue;
3763
f6008327
RS		 3764 wiphy_work_queue(iter->sdata->local->hw.wiphy,
3765 &iter->csa.finalize_work);
c9eb90a5
JC		 3766 }
3767 }
f6008327 3768
344d18ce 3769 wiphy_work_queue(local->hw.wiphy, &link_data->csa.finalize_work);
c9eb90a5
JC		 3770
3771 rcu_read_unlock();
66e01cf9
LC		 3772}
3773EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 3774
11ac0d7c 3775void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif)
6d501764
NE		 3776{
3777 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3778 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3779 struct ieee80211_local *local = sdata->local;
3780
6d501764 3781 sdata_info(sdata, "channel switch failed, disconnecting\n");
4b8d43f1 3782 wiphy_work_queue(local->hw.wiphy, &ifmgd->csa_connection_drop_work);
6d501764
NE		 3783}
3784EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
3785
a3a637a6 3786static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data,
15ddba5f 3787 u64 *changed)
66e01cf9 3788{
a3a637a6 3789 struct ieee80211_sub_if_data *sdata = link_data->sdata;
66199506 3790 int err;
7578d575 3791
cd7760e6
SW		 3792 switch (sdata->vif.type) {
3793 case NL80211_IFTYPE_AP:
a3a637a6 3794 if (!link_data->u.ap.next_beacon)
450c271d
LB		 3795 return -EINVAL;
3796
a3a637a6
AKS		 3797 err = ieee80211_assign_beacon(sdata, link_data,
3798 link_data->u.ap.next_beacon,
15ddba5f 3799 NULL, NULL, changed);
a3a637a6 3800 ieee80211_free_next_beacon(link_data);
97518af1 3801
cd7760e6 3802 if (err < 0)
66199506 3803 return err;
cd7760e6
SW		 3804 break;
3805 case NL80211_IFTYPE_ADHOC:
15ddba5f 3806 err = ieee80211_ibss_finish_csa(sdata, changed);
faf046e7 3807 if (err < 0)
66199506 3808 return err;
cd7760e6 3809 break;
b8456a14
CYY		 3810#ifdef CONFIG_MAC80211_MESH
3811 case NL80211_IFTYPE_MESH_POINT:
15ddba5f 3812 err = ieee80211_mesh_finish_csa(sdata, changed);
b8456a14 3813 if (err < 0)
66199506 3814 return err;
b8456a14
CYY		 3815 break;
3816#endif
cd7760e6
SW		 3817 default:
3818 WARN_ON(1);
66199506
MK		 3819 return -EINVAL;
3820 }
3821
3822 return 0;
3823}
3824
a469a593 3825static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
66199506 3826{
a469a593 3827 struct ieee80211_sub_if_data *sdata = link_data->sdata;
66199506 3828 struct ieee80211_local *local = sdata->local;
1a96bb4e 3829 struct ieee80211_bss_conf *link_conf = link_data->conf;
15ddba5f 3830 u64 changed = 0;
66199506
MK		 3831 int err;
3832
5435af6e 3833 lockdep_assert_wiphy(local->hw.wiphy);
66199506 3834
03078de4
MK		 3835 /*
3836 * using reservation isn't immediate as it may be deferred until later
3837 * with multi-vif. once reservation is complete it will re-schedule the
3838 * work with no reserved_chanctx so verify chandef to check if it
3839 * completed successfully
3840 */
66199506 3841
a469a593 3842 if (link_data->reserved_chanctx) {
03078de4
MK		 3843 /*
3844 * with multi-vif csa driver may call ieee80211_csa_finish()
3845 * many times while waiting for other interfaces to use their
3846 * reservations
3847 */
a469a593 3848 if (link_data->reserved_ready)
03078de4
MK		 3849 return 0;
3850
1a96bb4e 3851 return ieee80211_link_use_reserved_context(link_data);
cd7760e6 3852 }
73da7d5b 3853
1a96bb4e 3854 if (!cfg80211_chandef_identical(&link_conf->chanreq.oper,
344d18ce 3855 &link_data->csa.chanreq.oper))
03078de4
MK		 3856 return -EINVAL;
3857
1a96bb4e 3858 link_conf->csa_active = false;
66199506 3859
1a96bb4e 3860 err = ieee80211_set_after_csa_beacon(link_data, &changed);
66199506 3861 if (err)
cf8767dd 3862 return err;
faf046e7 3863
86a8db67 3864 ieee80211_link_info_change_notify(sdata, link_data, changed);
59af6928 3865
dc494fdc 3866 ieee80211_vif_unblock_queues_csa(sdata);
cf8767dd 3867
a469a593 3868 err = drv_post_channel_switch(link_data);
f1d65583
LC		 3869 if (err)
3870 return err;
3871
344d18ce 3872 cfg80211_ch_switch_notify(sdata->dev, &link_data->csa.chanreq.oper,
b82730bf 3873 link_data->link_id);
f1d65583 3874
cf8767dd
MK		 3875 return 0;
3876}
3877
a469a593 3878static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
cf8767dd 3879{
a469a593
EG		 3880 struct ieee80211_sub_if_data *sdata = link_data->sdata;
3881
3882 if (__ieee80211_csa_finalize(link_data)) {
1a96bb4e
AKS		 3883 sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n",
3884 link_data->link_id);
cf8767dd
MK		 3885 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3886 GFP_KERNEL);
3887 }
66e01cf9
LC		 3888}
3889
d7074be6 3890void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
66e01cf9 3891{
a469a593 3892 struct ieee80211_link_data *link =
344d18ce 3893 container_of(work, struct ieee80211_link_data, csa.finalize_work);
a469a593 3894 struct ieee80211_sub_if_data *sdata = link->sdata;
59af6928 3895 struct ieee80211_local *local = sdata->local;
66e01cf9 3896
5435af6e 3897 lockdep_assert_wiphy(local->hw.wiphy);
59af6928 3898
66e01cf9 3899 /* AP might have been stopped while waiting for the lock. */
a469a593 3900 if (!link->conf->csa_active)
076fc877 3901 return;
66e01cf9
LC		 3902
3903 if (!ieee80211_sdata_running(sdata))
076fc877 3904 return;
66e01cf9 3905
a469a593 3906 ieee80211_csa_finalize(link);
73da7d5b
SW		 3907}
3908
a3a637a6 3909static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data,
37fa2bdd 3910 struct cfg80211_csa_settings *params,
15ddba5f 3911 u64 *changed)
73da7d5b 3912{
a3a637a6 3913 struct ieee80211_sub_if_data *sdata = link_data->sdata;
af296bdb 3914 struct ieee80211_csa_settings csa = {};
37fa2bdd 3915 int err;
73da7d5b 3916
73da7d5b
SW		 3917 switch (sdata->vif.type) {
3918 case NL80211_IFTYPE_AP:
a3a637a6 3919 link_data->u.ap.next_beacon =
cd7760e6 3920 cfg80211_beacon_dup(&params->beacon_after);
a3a637a6 3921 if (!link_data->u.ap.next_beacon)
cd7760e6
SW		 3922 return -ENOMEM;
3923
66e01cf9
LC		 3924 /*
3925 * With a count of 0, we don't have to wait for any
3926 * TBTT before switching, so complete the CSA
3927 * immediately. In theory, with a count == 1 we
3928 * should delay the switch until just before the next
3929 * TBTT, but that would complicate things so we switch
3930 * immediately too. If we would delay the switch
3931 * until the next TBTT, we would have to set the probe
3932 * response here.
3933 *
3934 * TODO: A channel switch with count <= 1 without
3935 * sending a CSA action frame is kind of useless,
3936 * because the clients won't know we're changing
3937 * channels. The action frame must be implemented
3938 * either here or in the userspace.
3939 */
3940 if (params->count <= 1)
3941 break;
3942
0d06d9ba 3943 if ((params->n_counter_offsets_beacon >
8552a434 3944 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
0d06d9ba 3945 (params->n_counter_offsets_presp >
2b3171c6 3946 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) {
a3a637a6 3947 ieee80211_free_next_beacon(link_data);
0d06d9ba 3948 return -EINVAL;
2b3171c6 3949 }
9a774c78 3950
af296bdb
MK		 3951 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3952 csa.counter_offsets_presp = params->counter_offsets_presp;
3953 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3954 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3955 csa.count = params->count;
9a774c78 3956
a3a637a6 3957 err = ieee80211_assign_beacon(sdata, link_data,
d8675a63 3958 &params->beacon_csa, &csa,
15ddba5f 3959 NULL, changed);
cd7760e6 3960 if (err < 0) {
a3a637a6 3961 ieee80211_free_next_beacon(link_data);
cd7760e6
SW		 3962 return err;
3963 }
66e01cf9 3964
cd7760e6
SW		 3965 break;
3966 case NL80211_IFTYPE_ADHOC:
f276e20b 3967 if (!sdata->vif.cfg.ibss_joined)
cd7760e6
SW		 3968 return -EINVAL;
3969
3970 if (params->chandef.width != sdata->u.ibss.chandef.width)
3971 return -EINVAL;
3972
3973 switch (params->chandef.width) {
3974 case NL80211_CHAN_WIDTH_40:
3975 if (cfg80211_get_chandef_type(&params->chandef) !=
3976 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3977 return -EINVAL;
aaaee2d6 3978 break;
cd7760e6
SW		 3979 case NL80211_CHAN_WIDTH_5:
3980 case NL80211_CHAN_WIDTH_10:
3981 case NL80211_CHAN_WIDTH_20_NOHT:
3982 case NL80211_CHAN_WIDTH_20:
3983 break;
3984 default:
3985 return -EINVAL;
3986 }
3987
3988 /* changes into another band are not supported */
3989 if (sdata->u.ibss.chandef.chan->band !=
3990 params->chandef.chan->band)
3991 return -EINVAL;
3992
66e01cf9
LC		 3993 /* see comments in the NL80211_IFTYPE_AP block */
3994 if (params->count > 1) {
15ddba5f 3995 err = ieee80211_ibss_csa_beacon(sdata, params, changed);
66e01cf9
LC		 3996 if (err < 0)
3997 return err;
66e01cf9
LC		 3998 }
3999
4000 ieee80211_send_action_csa(sdata, params);
4001
73da7d5b 4002 break;
c6da674a 4003#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 4004 case NL80211_IFTYPE_MESH_POINT: {
4005 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 4006
c6da674a 4007 /* changes into another band are not supported */
6092077a 4008 if (sdata->vif.bss_conf.chanreq.oper.chan->band !=
c6da674a
CYY		 4009 params->chandef.chan->band)
4010 return -EINVAL;
4011
c782bf8c 4012 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 4013 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 4014 if (!ifmsh->pre_value)
4015 ifmsh->pre_value = 1;
4016 else
4017 ifmsh->pre_value++;
4018 }
0cb4d4dc 4019
66e01cf9
LC		 4020 /* see comments in the NL80211_IFTYPE_AP block */
4021 if (params->count > 1) {
15ddba5f 4022 err = ieee80211_mesh_csa_beacon(sdata, params, changed);
66e01cf9
LC		 4023 if (err < 0) {
4024 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
4025 return err;
4026 }
3f718fd8 4027 }
66e01cf9
LC		 4028
4029 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
4030 ieee80211_send_action_csa(sdata, params);
4031
c6da674a 4032 break;
37fa2bdd 4033 }
c6da674a 4034#endif
73da7d5b
SW		 4035 default:
4036 return -EOPNOTSUPP;
4037 }
4038
37fa2bdd
MK		 4039 return 0;
4040}
4041
414e736c 4042static void ieee80211_color_change_abort(struct ieee80211_link_data *link)
5f9404ab 4043{
414e736c 4044 link->conf->color_change_active = false;
0baef284 4045
414e736c 4046 ieee80211_free_next_beacon(link);
5f9404ab 4047
414e736c 4048 cfg80211_color_change_aborted_notify(link->sdata->dev, link->link_id);
5f9404ab
JC		 4049}
4050
f29f58a9
LC		 4051static int
4052__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4053 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 4054{
4055 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
6092077a 4056 struct ieee80211_chan_req chanreq = { .oper = params->chandef };
37fa2bdd 4057 struct ieee80211_local *local = sdata->local;
e6ee3a37
JB		 4058 struct ieee80211_channel_switch ch_switch = {
4059 .link_id = params->link_id,
4060 };
2b32713d 4061 struct ieee80211_chanctx_conf *conf;
37fa2bdd 4062 struct ieee80211_chanctx *chanctx;
1a96bb4e
AKS		 4063 struct ieee80211_bss_conf *link_conf;
4064 struct ieee80211_link_data *link_data;
15ddba5f 4065 u64 changed = 0;
1a96bb4e 4066 u8 link_id = params->link_id;
b08cc24e 4067 int err;
37fa2bdd 4068
5435af6e 4069 lockdep_assert_wiphy(local->hw.wiphy);
37fa2bdd
MK		 4070
4071 if (!list_empty(&local->roc_list) || local->scanning)
4072 return -EBUSY;
4073
0b779823 4074 if (sdata->wdev.links[link_id].cac_started)
37fa2bdd
MK		 4075 return -EBUSY;
4076
1a96bb4e
AKS		 4077 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4078 return -EINVAL;
4079
4080 link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
4081 if (!link_data)
4082 return -ENOLINK;
4083
4084 link_conf = link_data->conf;
4085
4086 if (chanreq.oper.punctured && !link_conf->eht_support)
b82730bf
JB		 4087 return -EINVAL;
4088
03078de4 4089 /* don't allow another channel switch if one is already active. */
1a96bb4e 4090 if (link_conf->csa_active)
03078de4
MK		 4091 return -EBUSY;
4092
1a96bb4e 4093 conf = wiphy_dereference(wiphy, link_conf->chanctx_conf);
2b32713d 4094 if (!conf) {
03078de4
MK		 4095 err = -EBUSY;
4096 goto out;
37fa2bdd
MK		 4097 }
4098
b6011960
TP		 4099 if (params->chandef.chan->freq_offset) {
4100 /* this may work, but is untested */
4101 err = -EOPNOTSUPP;
4102 goto out;
4103 }
4104
2b32713d 4105 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
37fa2bdd 4106
000baa5d
LC		 4107 ch_switch.timestamp = 0;
4108 ch_switch.device_timestamp = 0;
4109 ch_switch.block_tx = params->block_tx;
6092077a 4110 ch_switch.chandef = chanreq.oper;
000baa5d
LC		 4111 ch_switch.count = params->count;
4112
6d027bcc
LC		 4113 err = drv_pre_channel_switch(sdata, &ch_switch);
4114 if (err)
4115 goto out;
4116
1a96bb4e 4117 err = ieee80211_link_reserve_chanctx(link_data, &chanreq,
b4f85443
JB		 4118 chanctx->mode,
4119 params->radar_required);
03078de4
MK		 4120 if (err)
4121 goto out;
37fa2bdd 4122
03078de4 4123 /* if reservation is invalid then this will fail */
0874bcd0 4124 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0, -1);
03078de4 4125 if (err) {
1a96bb4e 4126 ieee80211_link_unreserve_chanctx(link_data);
03078de4
MK		 4127 goto out;
4128 }
37fa2bdd 4129
5f9404ab 4130 /* if there is a color change in progress, abort it */
1a96bb4e 4131 if (link_conf->color_change_active)
414e736c 4132 ieee80211_color_change_abort(link_data);
5f9404ab 4133
1a96bb4e 4134 err = ieee80211_set_csa_beacon(link_data, params, &changed);
03078de4 4135 if (err) {
1a96bb4e 4136 ieee80211_link_unreserve_chanctx(link_data);
03078de4
MK		 4137 goto out;
4138 }
37fa2bdd 4139
344d18ce 4140 link_data->csa.chanreq = chanreq;
1a96bb4e 4141 link_conf->csa_active = true;
73da7d5b 4142
dc494fdc
JB		 4143 if (params->block_tx)
4144 ieee80211_vif_block_queues_csa(sdata);
59af6928 4145
bfd8403a 4146 cfg80211_ch_switch_started_notify(sdata->dev,
93d4e8bb 4147 &link_data->csa.chanreq.oper, link_id,
b82730bf 4148 params->count, params->block_tx);
2f457293 4149
66e01cf9 4150 if (changed) {
1a96bb4e 4151 ieee80211_link_info_change_notify(sdata, link_data, changed);
344d18ce 4152 drv_channel_switch_beacon(sdata, &link_data->csa.chanreq.oper);
66e01cf9
LC		 4153 } else {
4154 /* if the beacon didn't change, we can finalize immediately */
1a96bb4e 4155 ieee80211_csa_finalize(link_data);
66e01cf9 4156 }
73da7d5b 4157
03078de4 4158out:
03078de4 4159 return err;
73da7d5b
SW		 4160}
4161
59af6928
MK		 4162int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4163 struct cfg80211_csa_settings *params)
4164{
4165 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4166 struct ieee80211_local *local = sdata->local;
59af6928 4167
0cd8080e 4168 lockdep_assert_wiphy(local->hw.wiphy);
59af6928 4169
0cd8080e 4170 return __ieee80211_channel_switch(wiphy, dev, params);
59af6928
MK		 4171}
4172
a2fcfccb
JB		 4173u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
4174{
0cd8080e 4175 lockdep_assert_wiphy(local->hw.wiphy);
a2fcfccb
JB		 4176
4177 local->roc_cookie_counter++;
4178
4179 /* wow, you wrapped 64 bits ... more likely a bug */
4180 if (WARN_ON(local->roc_cookie_counter == 0))
4181 local->roc_cookie_counter++;
4182
4183 return local->roc_cookie_counter;
4184}
4185
5ee00dbd
JB		 4186int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
4187 u64 *cookie, gfp_t gfp)
3b79af97
JB		 4188{
4189 unsigned long spin_flags;
4190 struct sk_buff *ack_skb;
4191 int id;
4192
4193 ack_skb = skb_copy(skb, gfp);
4194 if (!ack_skb)
5ee00dbd 4195 return -ENOMEM;
3b79af97
JB		 4196
4197 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
4198 id = idr_alloc(&local->ack_status_frames, ack_skb,
f2b18bac 4199 1, 0x2000, GFP_ATOMIC);
3b79af97
JB		 4200 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
4201
4202 if (id < 0) {
4203 kfree_skb(ack_skb);
5ee00dbd 4204 return -ENOMEM;
3b79af97
JB		 4205 }
4206
f498f6ab
JB		 4207 IEEE80211_SKB_CB(skb)->status_data_idr = 1;
4208 IEEE80211_SKB_CB(skb)->status_data = id;
3b79af97
JB		 4209
4210 *cookie = ieee80211_mgmt_tx_cookie(local);
4211 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
4212
5ee00dbd 4213 return 0;
3b79af97
JB		 4214}
4215
6cd536fe
JB		 4216static void
4217ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
71bbc994 4218 struct wireless_dev *wdev,
6cd536fe 4219 struct mgmt_frame_regs *upd)
7be5086d
JB		 4220{
4221 struct ieee80211_local *local = wiphy_priv(wiphy);
1b09b556 4222 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
6cd536fe 4223 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
873b1cf6 4224 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
6cd536fe 4225 bool global_change, intf_change;
7be5086d 4226
6cd536fe 4227 global_change =
873b1cf6
JM		 4228 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
4229 (local->rx_mcast_action_reg !=
4230 !!(upd->global_mcast_stypes & action_mask));
6cd536fe 4231 local->probe_req_reg = upd->global_stypes & preq_mask;
873b1cf6 4232 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
1b09b556 4233
873b1cf6
JM		 4234 intf_change = (sdata->vif.probe_req_reg !=
4235 !!(upd->interface_stypes & preq_mask)) ||
4236 (sdata->vif.rx_mcast_action_reg !=
4237 !!(upd->interface_mcast_stypes & action_mask));
6cd536fe 4238 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
873b1cf6
JM		 4239 sdata->vif.rx_mcast_action_reg =
4240 upd->interface_mcast_stypes & action_mask;
7be5086d 4241
6cd536fe
JB		 4242 if (!local->open_count)
4243 return;
35f5149e 4244
6cd536fe
JB		 4245 if (intf_change && ieee80211_sdata_running(sdata))
4246 drv_config_iface_filter(local, sdata,
4247 sdata->vif.probe_req_reg ?
4248 FIF_PROBE_REQ : 0,
4249 FIF_PROBE_REQ);
1b09b556 4250
6cd536fe 4251 if (global_change)
1b09b556 4252 ieee80211_configure_filter(local);
7be5086d
JB		 4253}
4254
15d96753
BR		 4255static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
4256{
4257 struct ieee80211_local *local = wiphy_priv(wiphy);
2bf57b00 4258 int ret;
15d96753
BR		 4259
4260 if (local->started)
4261 return -EOPNOTSUPP;
4262
2bf57b00
EG		 4263 ret = drv_set_antenna(local, tx_ant, rx_ant);
4264 if (ret)
4265 return ret;
4266
4267 local->rx_chains = hweight8(rx_ant);
4268 return 0;
15d96753
BR		 4269}
4270
4271static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
4272{
4273 struct ieee80211_local *local = wiphy_priv(wiphy);
4274
4275 return drv_get_antenna(local, tx_ant, rx_ant);
4276}
4277
c68f4b89
JB		 4278static int ieee80211_set_rekey_data(struct wiphy *wiphy,
4279 struct net_device *dev,
4280 struct cfg80211_gtk_rekey_data *data)
4281{
4282 struct ieee80211_local *local = wiphy_priv(wiphy);
4283 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4284
4285 if (!local->ops->set_rekey_data)
4286 return -EOPNOTSUPP;
4287
4288 drv_set_rekey_data(local, sdata, data);
4289
4290 return 0;
4291}
4292
06500736
JB		 4293static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
4294 const u8 *peer, u64 *cookie)
4295{
4296 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4297 struct ieee80211_local *local = sdata->local;
4298 struct ieee80211_qos_hdr *nullfunc;
5ee00dbd 4299 struct sk_buff *skb;
06500736
JB		 4300 int size = sizeof(*nullfunc);
4301 __le16 fc;
4302 bool qos;
4303 struct ieee80211_tx_info *info;
4304 struct sta_info *sta;
55de908a 4305 struct ieee80211_chanctx_conf *chanctx_conf;
57fbcce3 4306 enum nl80211_band band;
3b79af97
JB		 4307 int ret;
4308
4309 /* the lock is needed to assign the cookie later */
0cd8080e 4310 lockdep_assert_wiphy(local->hw.wiphy);
06500736
JB		 4311
4312 rcu_read_lock();
67dfa589
JB		 4313 sta = sta_info_get_bss(sdata, peer);
4314 if (!sta) {
4315 ret = -ENOLINK;
4316 goto unlock;
4317 }
4318
4319 qos = sta->sta.wme;
4320
d0a9123e 4321 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
55de908a 4322 if (WARN_ON(!chanctx_conf)) {
3b79af97
JB		 4323 ret = -EINVAL;
4324 goto unlock;
55de908a 4325 }
4bf88530 4326 band = chanctx_conf->def.chan->band;
06500736
JB		 4327
4328 if (qos) {
4329 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4330 IEEE80211_STYPE_QOS_NULLFUNC |
4331 IEEE80211_FCTL_FROMDS);
4332 } else {
4333 size -= 2;
4334 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4335 IEEE80211_STYPE_NULLFUNC |
4336 IEEE80211_FCTL_FROMDS);
4337 }
4338
4339 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a 4340 if (!skb) {
3b79af97
JB		 4341 ret = -ENOMEM;
4342 goto unlock;
55de908a 4343 }
06500736
JB		 4344
4345 skb->dev = dev;
4346
4347 skb_reserve(skb, local->hw.extra_tx_headroom);
4348
4df864c1 4349 nullfunc = skb_put(skb, size);
06500736
JB		 4350 nullfunc->frame_control = fc;
4351 nullfunc->duration_id = 0;
4352 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
4353 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
4354 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
4355 nullfunc->seq_ctrl = 0;
4356
4357 info = IEEE80211_SKB_CB(skb);
4358
4359 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
4360 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 4361 info->band = band;
06500736
JB		 4362
4363 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
4364 skb->priority = 7;
4365 if (qos)
4366 nullfunc->qos_ctrl = cpu_to_le16(7);
4367
5ee00dbd
JB		 4368 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
4369 if (ret) {
3b79af97 4370 kfree_skb(skb);
3b79af97
JB		 4371 goto unlock;
4372 }
4373
06500736 4374 local_bh_disable();
08aca29a 4375 ieee80211_xmit(sdata, sta, skb);
06500736 4376 local_bh_enable();
3b79af97
JB		 4377
4378 ret = 0;
4379unlock:
55de908a 4380 rcu_read_unlock();
06500736 4381
3b79af97 4382 return ret;
06500736
JB		 4383}
4384
683b6d3b
JB		 4385static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
4386 struct wireless_dev *wdev,
7b0a0e3c 4387 unsigned int link_id,
683b6d3b 4388 struct cfg80211_chan_def *chandef)
5b7ccaf3 4389{
55de908a 4390 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 4391 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 4392 struct ieee80211_chanctx_conf *chanctx_conf;
d8675a63 4393 struct ieee80211_link_data *link;
683b6d3b 4394 int ret = -ENODATA;
55de908a
JB		 4395
4396 rcu_read_lock();
d8675a63
JB		 4397 link = rcu_dereference(sdata->link[link_id]);
4398 if (!link) {
4399 ret = -ENOLINK;
4400 goto out;
4401 }
4402
4403 chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
feda3027 4404 if (chanctx_conf) {
6092077a 4405 *chandef = link->conf->chanreq.oper;
feda3027 4406 ret = 0;
12986004
AW		 4407 } else if (local->open_count > 0 &&
4408 local->open_count == local->virt_monitors &&
feda3027 4409 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
6092077a 4410 *chandef = local->monitor_chanreq.oper;
683b6d3b 4411 ret = 0;
55de908a 4412 }
d8675a63 4413out:
55de908a 4414 rcu_read_unlock();
5b7ccaf3 4415
683b6d3b 4416 return ret;
5b7ccaf3
JB		 4417}
4418
6d52563f
JB		 4419#ifdef CONFIG_PM
4420static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
4421{
4422 drv_set_wakeup(wiphy_priv(wiphy), enabled);
4423}
4424#endif
4425
32db6b54
KP		 4426static int ieee80211_set_qos_map(struct wiphy *wiphy,
4427 struct net_device *dev,
4428 struct cfg80211_qos_map *qos_map)
4429{
4430 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4431 struct mac80211_qos_map *new_qos_map, *old_qos_map;
4432
4433 if (qos_map) {
4434 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
4435 if (!new_qos_map)
4436 return -ENOMEM;
4437 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
4438 } else {
4439 /* A NULL qos_map was passed to disable QoS mapping */
4440 new_qos_map = NULL;
4441 }
4442
194ff52d 4443 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 4444 rcu_assign_pointer(sdata->qos_map, new_qos_map);
4445 if (old_qos_map)
4446 kfree_rcu(old_qos_map, rcu_head);
4447
4448 return 0;
4449}
4450
3b1700bd
JM		 4451static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
4452 struct net_device *dev,
7b0a0e3c 4453 unsigned int link_id,
3b1700bd
JM		 4454 struct cfg80211_chan_def *chandef)
4455{
4456 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
d8675a63 4457 struct ieee80211_link_data *link;
6092077a 4458 struct ieee80211_chan_req chanreq = { .oper = *chandef };
3b1700bd 4459 int ret;
aa87cd8b 4460 u64 changed = 0;
3b1700bd 4461
d8675a63
JB		 4462 link = sdata_dereference(sdata->link[link_id], sdata);
4463
6092077a 4464 ret = ieee80211_link_change_chanreq(link, &chanreq, &changed);
3b1700bd 4465 if (ret == 0)
d8675a63 4466 ieee80211_link_info_change_notify(sdata, link, changed);
3b1700bd
JM		 4467
4468 return ret;
4469}
4470
02219b3a
JB		 4471static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4472 u8 tsid, const u8 *peer, u8 up,
4473 u16 admitted_time)
4474{
4475 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4476 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4477 int ac = ieee802_1d_to_ac[up];
4478
4479 if (sdata->vif.type != NL80211_IFTYPE_STATION)
4480 return -EOPNOTSUPP;
4481
4482 if (!(sdata->wmm_acm & BIT(up)))
4483 return -EINVAL;
4484
4485 if (ifmgd->tx_tspec[ac].admitted_time)
4486 return -EBUSY;
4487
4488 if (admitted_time) {
4489 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
4490 ifmgd->tx_tspec[ac].tsid = tsid;
4491 ifmgd->tx_tspec[ac].up = up;
4492 }
4493
4494 return 0;
4495}
4496
4497static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4498 u8 tsid, const u8 *peer)
4499{
4500 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4501 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4502 struct ieee80211_local *local = wiphy_priv(wiphy);
4503 int ac;
4504
4505 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
4506 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
4507
4508 /* skip unused entries */
4509 if (!tx_tspec->admitted_time)
4510 continue;
4511
4512 if (tx_tspec->tsid != tsid)
4513 continue;
4514
4515 /* due to this new packets will be reassigned to non-ACM ACs */
4516 tx_tspec->up = -1;
4517
4518 /* Make sure that all packets have been sent to avoid to
4519 * restore the QoS params on packets that are still on the
4520 * queues.
4521 */
4522 synchronize_net();
3b24f4c6 4523 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 4524
4525 /* restore the normal QoS parameters
4526 * (unconditionally to avoid races)
4527 */
4528 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
4529 tx_tspec->downgraded = false;
4530 ieee80211_sta_handle_tspec_ac_params(sdata);
4531
4532 /* finally clear all the data */
4533 memset(tx_tspec, 0, sizeof(*tx_tspec));
4534
4535 return 0;
4536 }
4537
4538 return -ENOENT;
4539}
4540
167e33f4
AB		 4541void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
4542 u8 inst_id,
4543 enum nl80211_nan_func_term_reason reason,
4544 gfp_t gfp)
4545{
4546 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4547 struct cfg80211_nan_func *func;
4548 u64 cookie;
4549
4550 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4551 return;
4552
4553 spin_lock_bh(&sdata->u.nan.func_lock);
4554
4555 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
4556 if (WARN_ON(!func)) {
4557 spin_unlock_bh(&sdata->u.nan.func_lock);
4558 return;
4559 }
4560
4561 cookie = func->cookie;
4562 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
4563
4564 spin_unlock_bh(&sdata->u.nan.func_lock);
4565
4566 cfg80211_free_nan_func(func);
4567
4568 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
4569 reason, cookie, gfp);
4570}
4571EXPORT_SYMBOL(ieee80211_nan_func_terminated);
4572
92bc43bc
AB		 4573void ieee80211_nan_func_match(struct ieee80211_vif *vif,
4574 struct cfg80211_nan_match_params *match,
4575 gfp_t gfp)
4576{
4577 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4578 struct cfg80211_nan_func *func;
4579
4580 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4581 return;
4582
4583 spin_lock_bh(&sdata->u.nan.func_lock);
4584
4585 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
4586 if (WARN_ON(!func)) {
4587 spin_unlock_bh(&sdata->u.nan.func_lock);
4588 return;
4589 }
4590 match->cookie = func->cookie;
4591
4592 spin_unlock_bh(&sdata->u.nan.func_lock);
4593
4594 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
4595}
4596EXPORT_SYMBOL(ieee80211_nan_func_match);
4597
ebceec86
MB		 4598static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
4599 struct net_device *dev,
4600 const bool enabled)
4601{
4602 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4603
4604 sdata->u.ap.multicast_to_unicast = enabled;
4605
4606 return 0;
4607}
4608
2fe4a29a
THJ		 4609void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
4610 struct txq_info *txqi)
4611{
4612 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
4613 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
4614 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
4615 }
4616
4617 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
4618 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
4619 txqstats->backlog_packets = txqi->tin.backlog_packets;
4620 }
4621
4622 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
4623 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
4624 txqstats->flows = txqi->tin.flows;
4625 }
4626
4627 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
4628 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
4629 txqstats->drops = txqi->cstats.drop_count;
4630 }
4631
4632 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
4633 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
4634 txqstats->ecn_marks = txqi->cstats.ecn_mark;
4635 }
4636
4637 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
4638 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
4639 txqstats->overlimit = txqi->tin.overlimit;
4640 }
4641
4642 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
4643 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
4644 txqstats->collisions = txqi->tin.collisions;
4645 }
4646
4647 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
4648 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
4649 txqstats->tx_bytes = txqi->tin.tx_bytes;
4650 }
4651
4652 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
4653 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
4654 txqstats->tx_packets = txqi->tin.tx_packets;
4655 }
4656}
4657
4658static int ieee80211_get_txq_stats(struct wiphy *wiphy,
4659 struct wireless_dev *wdev,
4660 struct cfg80211_txq_stats *txqstats)
4661{
4662 struct ieee80211_local *local = wiphy_priv(wiphy);
4663 struct ieee80211_sub_if_data *sdata;
4664 int ret = 0;
4665
2fe4a29a
THJ		 4666 spin_lock_bh(&local->fq.lock);
4667 rcu_read_lock();
4668
4669 if (wdev) {
4670 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4671 if (!sdata->vif.txq) {
4672 ret = 1;
4673 goto out;
4674 }
4675 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
4676 } else {
4677 /* phy stats */
4678 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
4679 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
4680 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4681 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4682 BIT(NL80211_TXQ_STATS_COLLISIONS) |
4683 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4684 txqstats->backlog_packets = local->fq.backlog;
4685 txqstats->backlog_bytes = local->fq.memory_usage;
4686 txqstats->overlimit = local->fq.overlimit;
4687 txqstats->overmemory = local->fq.overmemory;
4688 txqstats->collisions = local->fq.collisions;
4689 txqstats->max_flows = local->fq.flows_cnt;
4690 }
4691
4692out:
4693 rcu_read_unlock();
4694 spin_unlock_bh(&local->fq.lock);
4695
4696 return ret;
4697}
4698
bc847970
PKC		 4699static int
4700ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4701 struct net_device *dev,
4702 struct cfg80211_ftm_responder_stats *ftm_stats)
4703{
4704 struct ieee80211_local *local = wiphy_priv(wiphy);
4705 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4706
4707 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4708}
4709
cee7013b
JB		 4710static int
4711ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4712 struct cfg80211_pmsr_request *request)
4713{
4714 struct ieee80211_local *local = wiphy_priv(wiphy);
4715 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4716
4717 return drv_start_pmsr(local, sdata, request);
4718}
4719
4720static void
4721ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4722 struct cfg80211_pmsr_request *request)
4723{
4724 struct ieee80211_local *local = wiphy_priv(wiphy);
4725 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4726
4727 return drv_abort_pmsr(local, sdata, request);
4728}
4729
370f51d5
T		 4730static int ieee80211_set_tid_config(struct wiphy *wiphy,
4731 struct net_device *dev,
4732 struct cfg80211_tid_config *tid_conf)
4733{
4734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4735 struct sta_info *sta;
4d3acf43
JB		 4736
4737 lockdep_assert_wiphy(sdata->local->hw.wiphy);
370f51d5
T		 4738
4739 if (!sdata->local->ops->set_tid_config)
4740 return -EOPNOTSUPP;
4741
4742 if (!tid_conf->peer)
4743 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4744
370f51d5 4745 sta = sta_info_get_bss(sdata, tid_conf->peer);
4d3acf43 4746 if (!sta)
370f51d5 4747 return -ENOENT;
370f51d5 4748
4d3acf43 4749 return drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
370f51d5
T		 4750}
4751
4752static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4753 struct net_device *dev,
60c2ef0e 4754 const u8 *peer, u8 tids)
370f51d5
T		 4755{
4756 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4757 struct sta_info *sta;
4d3acf43
JB		 4758
4759 lockdep_assert_wiphy(sdata->local->hw.wiphy);
370f51d5
T		 4760
4761 if (!sdata->local->ops->reset_tid_config)
4762 return -EOPNOTSUPP;
4763
4764 if (!peer)
60c2ef0e 4765 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
370f51d5 4766
370f51d5 4767 sta = sta_info_get_bss(sdata, peer);
4d3acf43 4768 if (!sta)
370f51d5 4769 return -ENOENT;
370f51d5 4770
4d3acf43 4771 return drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
370f51d5
T		 4772}
4773
c534e093
CH		 4774static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4775 struct cfg80211_sar_specs *sar)
4776{
4777 struct ieee80211_local *local = wiphy_priv(wiphy);
4778
4779 if (!local->ops->set_sar_specs)
4780 return -EOPNOTSUPP;
4781
4782 return local->ops->set_sar_specs(&local->hw, sar);
4783}
4784
5f9404ab 4785static int
414e736c 4786ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link,
15ddba5f 4787 u64 *changed)
5f9404ab 4788{
414e736c
AKS		 4789 struct ieee80211_sub_if_data *sdata = link->sdata;
4790
5f9404ab
JC		 4791 switch (sdata->vif.type) {
4792 case NL80211_IFTYPE_AP: {
4793 int ret;
4794
414e736c 4795 if (!link->u.ap.next_beacon)
450c271d
LB		 4796 return -EINVAL;
4797
414e736c
AKS		 4798 ret = ieee80211_assign_beacon(sdata, link,
4799 link->u.ap.next_beacon,
15ddba5f 4800 NULL, NULL, changed);
414e736c 4801 ieee80211_free_next_beacon(link);
5f9404ab
JC		 4802
4803 if (ret < 0)
4804 return ret;
4805
5f9404ab
JC		 4806 break;
4807 }
4808 default:
4809 WARN_ON_ONCE(1);
4810 return -EINVAL;
4811 }
4812
4813 return 0;
4814}
4815
4816static int
414e736c 4817ieee80211_set_color_change_beacon(struct ieee80211_link_data *link,
5f9404ab 4818 struct cfg80211_color_change_settings *params,
15ddba5f 4819 u64 *changed)
5f9404ab 4820{
414e736c 4821 struct ieee80211_sub_if_data *sdata = link->sdata;
5f9404ab
JC		 4822 struct ieee80211_color_change_settings color_change = {};
4823 int err;
4824
4825 switch (sdata->vif.type) {
4826 case NL80211_IFTYPE_AP:
414e736c 4827 link->u.ap.next_beacon =
5f9404ab 4828 cfg80211_beacon_dup(&params->beacon_next);
414e736c 4829 if (!link->u.ap.next_beacon)
5f9404ab
JC		 4830 return -ENOMEM;
4831
4832 if (params->count <= 1)
4833 break;
4834
4835 color_change.counter_offset_beacon =
4836 params->counter_offset_beacon;
4837 color_change.counter_offset_presp =
4838 params->counter_offset_presp;
4839 color_change.count = params->count;
4840
414e736c 4841 err = ieee80211_assign_beacon(sdata, link,
d8675a63 4842 &params->beacon_color_change,
15ddba5f 4843 NULL, &color_change, changed);
5f9404ab 4844 if (err < 0) {
414e736c 4845 ieee80211_free_next_beacon(link);
5f9404ab
JC		 4846 return err;
4847 }
5f9404ab
JC		 4848 break;
4849 default:
4850 return -EOPNOTSUPP;
4851 }
4852
4853 return 0;
4854}
4855
4856static void
414e736c 4857ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link,
15ddba5f 4858 u8 color, int enable, u64 changed)
5f9404ab 4859{
414e736c
AKS		 4860 struct ieee80211_sub_if_data *sdata = link->sdata;
4861
be0df01d
JB		 4862 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4863
414e736c
AKS		 4864 link->conf->he_bss_color.color = color;
4865 link->conf->he_bss_color.enabled = enable;
5f9404ab
JC		 4866 changed |= BSS_CHANGED_HE_BSS_COLOR;
4867
414e736c 4868 ieee80211_link_info_change_notify(sdata, link, changed);
eb87d3e0 4869
f6008327
RS		 4870 if (!link->conf->nontransmitted &&
4871 rcu_access_pointer(link->conf->tx_bss_conf)) {
4872 struct ieee80211_link_data *tmp;
eb87d3e0 4873
f6008327
RS		 4874 for_each_sdata_link(sdata->local, tmp) {
4875 if (tmp->sdata == sdata ||
4876 rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf)
4877 continue;
4878
4879 tmp->conf->he_bss_color.color = color;
4880 tmp->conf->he_bss_color.enabled = enable;
4881 ieee80211_link_info_change_notify(tmp->sdata, tmp,
4882 BSS_CHANGED_HE_BSS_COLOR);
eb87d3e0 4883 }
eb87d3e0 4884 }
5f9404ab
JC		 4885}
4886
414e736c 4887static int ieee80211_color_change_finalize(struct ieee80211_link_data *link)
5f9404ab 4888{
414e736c 4889 struct ieee80211_sub_if_data *sdata = link->sdata;
5f9404ab 4890 struct ieee80211_local *local = sdata->local;
15ddba5f 4891 u64 changed = 0;
5f9404ab
JC		 4892 int err;
4893
0cd8080e 4894 lockdep_assert_wiphy(local->hw.wiphy);
5f9404ab 4895
414e736c 4896 link->conf->color_change_active = false;
5f9404ab 4897
414e736c 4898 err = ieee80211_set_after_color_change_beacon(link, &changed);
5f9404ab 4899 if (err) {
414e736c 4900 cfg80211_color_change_aborted_notify(sdata->dev, link->link_id);
5f9404ab
JC		 4901 return err;
4902 }
4903
414e736c
AKS		 4904 ieee80211_color_change_bss_config_notify(link,
4905 link->conf->color_change_color,
5f9404ab 4906 1, changed);
414e736c 4907 cfg80211_color_change_notify(sdata->dev, link->link_id);
5f9404ab
JC		 4908
4909 return 0;
4910}
4911
b38579ae
JB		 4912void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
4913 struct wiphy_work *work)
5f9404ab 4914{
414e736c
AKS		 4915 struct ieee80211_link_data *link =
4916 container_of(work, struct ieee80211_link_data,
4917 color_change_finalize_work);
4918 struct ieee80211_sub_if_data *sdata = link->sdata;
4919 struct ieee80211_bss_conf *link_conf = link->conf;
5f9404ab
JC		 4920 struct ieee80211_local *local = sdata->local;
4921
0cd8080e 4922 lockdep_assert_wiphy(local->hw.wiphy);
5f9404ab
JC		 4923
4924 /* AP might have been stopped while waiting for the lock. */
414e736c 4925 if (!link_conf->color_change_active)
076fc877 4926 return;
5f9404ab
JC		 4927
4928 if (!ieee80211_sdata_running(sdata))
076fc877 4929 return;
5f9404ab 4930
414e736c 4931 ieee80211_color_change_finalize(link);
5f9404ab
JC		 4932}
4933
4cc6f3e5
RP		 4934void ieee80211_color_collision_detection_work(struct wiphy *wiphy,
4935 struct wiphy_work *work)
92881884 4936{
92881884 4937 struct ieee80211_link_data *link =
4cc6f3e5
RP		 4938 container_of(work, struct ieee80211_link_data,
4939 color_collision_detect_work.work);
92881884
LB		 4940 struct ieee80211_sub_if_data *sdata = link->sdata;
4941
414e736c
AKS		 4942 cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap,
4943 link->link_id);
92881884
LB		 4944}
4945
414e736c 4946void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id)
5f9404ab
JC		 4947{
4948 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
414e736c
AKS		 4949 struct ieee80211_link_data *link;
4950
4951 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4952 return;
4953
4954 rcu_read_lock();
4955
4956 link = rcu_dereference(sdata->link[link_id]);
4957 if (WARN_ON(!link)) {
4958 rcu_read_unlock();
4959 return;
4960 }
5f9404ab 4961
b38579ae 4962 wiphy_work_queue(sdata->local->hw.wiphy,
414e736c
AKS		 4963 &link->color_change_finalize_work);
4964
4965 rcu_read_unlock();
5f9404ab
JC		 4966}
4967EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
4968
4969void
82253dda 4970ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
414e736c 4971 u64 color_bitmap, u8 link_id)
5f9404ab
JC		 4972{
4973 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
414e736c 4974 struct ieee80211_link_data *link;
5f9404ab 4975
414e736c 4976 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5f9404ab
JC		 4977 return;
4978
414e736c
AKS		 4979 rcu_read_lock();
4980
4981 link = rcu_dereference(sdata->link[link_id]);
4982 if (WARN_ON(!link)) {
4983 rcu_read_unlock();
92881884 4984 return;
414e736c
AKS		 4985 }
4986
4987 if (link->conf->color_change_active || link->conf->csa_active) {
4988 rcu_read_unlock();
4989 return;
4990 }
4991
4cc6f3e5
RP		 4992 if (wiphy_delayed_work_pending(sdata->local->hw.wiphy,
4993 &link->color_collision_detect_work)) {
414e736c
AKS		 4994 rcu_read_unlock();
4995 return;
4996 }
92881884
LB		 4997
4998 link->color_bitmap = color_bitmap;
4999 /* queue the color collision detection event every 500 ms in order to
5000 * avoid sending too much netlink messages to userspace.
5001 */
4cc6f3e5
RP		 5002 wiphy_delayed_work_queue(sdata->local->hw.wiphy,
5003 &link->color_collision_detect_work,
5004 msecs_to_jiffies(500));
414e736c
AKS		 5005
5006 rcu_read_unlock();
5f9404ab 5007}
82253dda 5008EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify);
5f9404ab
JC		 5009
5010static int
5011ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
5012 struct cfg80211_color_change_settings *params)
5013{
5014 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5015 struct ieee80211_local *local = sdata->local;
414e736c
AKS		 5016 struct ieee80211_bss_conf *link_conf;
5017 struct ieee80211_link_data *link;
5018 u8 link_id = params->link_id;
15ddba5f 5019 u64 changed = 0;
5f9404ab
JC		 5020 int err;
5021
0cd8080e 5022 lockdep_assert_wiphy(local->hw.wiphy);
5f9404ab 5023
414e736c
AKS		 5024 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5025 return -EINVAL;
5026
5027 link = wiphy_dereference(wiphy, sdata->link[link_id]);
5028 if (!link)
5029 return -ENOLINK;
5030
5031 link_conf = link->conf;
5032
5033 if (link_conf->nontransmitted)
eb87d3e0
JC		 5034 return -EINVAL;
5035
5f9404ab
JC		 5036 /* don't allow another color change if one is already active or if csa
5037 * is active
5038 */
414e736c 5039 if (link_conf->color_change_active || link_conf->csa_active) {
5f9404ab
JC		 5040 err = -EBUSY;
5041 goto out;
5042 }
5043
414e736c 5044 err = ieee80211_set_color_change_beacon(link, params, &changed);
5f9404ab
JC		 5045 if (err)
5046 goto out;
5047
414e736c
AKS		 5048 link_conf->color_change_active = true;
5049 link_conf->color_change_color = params->color;
5f9404ab 5050
414e736c 5051 cfg80211_color_change_started_notify(sdata->dev, params->count, link_id);
5f9404ab
JC		 5052
5053 if (changed)
414e736c 5054 ieee80211_color_change_bss_config_notify(link, 0, 0, changed);
5f9404ab
JC		 5055 else
5056 /* if the beacon didn't change, we can finalize immediately */
414e736c 5057 ieee80211_color_change_finalize(link);
5f9404ab
JC		 5058
5059out:
5f9404ab
JC		 5060
5061 return err;
5062}
5063
237337c2 5064static int
a95bfb87
LB		 5065ieee80211_set_radar_background(struct wiphy *wiphy,
5066 struct cfg80211_chan_def *chandef)
237337c2
LB		 5067{
5068 struct ieee80211_local *local = wiphy_priv(wiphy);
5069
a95bfb87 5070 if (!local->ops->set_radar_background)
237337c2
LB		 5071 return -EOPNOTSUPP;
5072
a95bfb87 5073 return local->ops->set_radar_background(&local->hw, chandef);
237337c2
LB		 5074}
5075
0d8c4a3c
JB		 5076static int ieee80211_add_intf_link(struct wiphy *wiphy,
5077 struct wireless_dev *wdev,
5078 unsigned int link_id)
5079{
5080 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
0cd8080e
JB		 5081
5082 lockdep_assert_wiphy(sdata->local->hw.wiphy);
0d8c4a3c 5083
90703ba9
JB		 5084 if (wdev->use_4addr)
5085 return -EOPNOTSUPP;
5086
0cd8080e 5087 return ieee80211_vif_set_links(sdata, wdev->valid_links, 0);
0d8c4a3c
JB		 5088}
5089
5090static void ieee80211_del_intf_link(struct wiphy *wiphy,
5091 struct wireless_dev *wdev,
5092 unsigned int link_id)
5093{
5094 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
b5c32ff6 5095 u16 new_links = wdev->valid_links & ~BIT(link_id);
0d8c4a3c 5096
0cd8080e
JB		 5097 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5098
b5c32ff6
AKS		 5099 /* During the link teardown process, certain functions require the
5100 * link_id to remain in the valid_links bitmap. Therefore, instead
5101 * of removing the link_id from the bitmap, pass a masked value to
5102 * simulate as if link_id does not exist anymore.
5103 */
5104 ieee80211_vif_set_links(sdata, new_links, 0);
0d8c4a3c
JB		 5105}
5106
5c24e83f
JB		 5107static int
5108ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev,
5109 struct link_station_parameters *params)
21476ad1 5110{
5c24e83f
JB		 5111 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5112 struct ieee80211_local *local = wiphy_priv(wiphy);
21476ad1
ST		 5113 struct sta_info *sta;
5114 int ret;
5115
5c24e83f
JB		 5116 lockdep_assert_wiphy(local->hw.wiphy);
5117
21476ad1
ST		 5118 sta = sta_info_get_bss(sdata, params->mld_mac);
5119 if (!sta)
5120 return -ENOENT;
5121
956b9613
JB		 5122 if (!sta->sta.valid_links)
5123 return -EINVAL;
5124
21476ad1
ST		 5125 if (sta->sta.valid_links & BIT(params->link_id))
5126 return -EALREADY;
5127
5128 ret = ieee80211_sta_allocate_link(sta, params->link_id);
5129 if (ret)
5130 return ret;
5131
03ecd745 5132 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_NEW, params);
21476ad1
ST		 5133 if (ret) {
5134 ieee80211_sta_free_link(sta, params->link_id);
5135 return ret;
5136 }
5137
f828deb7
JB		 5138 if (test_sta_flag(sta, WLAN_STA_ASSOC)) {
5139 struct link_sta_info *link_sta;
5140
5141 link_sta = sdata_dereference(sta->link[params->link_id], sdata);
5142 rate_control_rate_init(link_sta);
5143 }
5144
21476ad1
ST		 5145 /* ieee80211_sta_activate_link frees the link upon failure */
5146 return ieee80211_sta_activate_link(sta, params->link_id);
5147}
5148
5149static int
5c24e83f 5150ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev,
21476ad1
ST		 5151 struct link_station_parameters *params)
5152{
5153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5154 struct ieee80211_local *local = wiphy_priv(wiphy);
21476ad1
ST		 5155 struct sta_info *sta;
5156
5c24e83f
JB		 5157 lockdep_assert_wiphy(local->hw.wiphy);
5158
21476ad1
ST		 5159 sta = sta_info_get_bss(sdata, params->mld_mac);
5160 if (!sta)
5161 return -ENOENT;
5162
5163 if (!(sta->sta.valid_links & BIT(params->link_id)))
5164 return -EINVAL;
5165
03ecd745
JB		 5166 return sta_link_apply_parameters(local, sta, STA_LINK_MODE_LINK_MODIFY,
5167 params);
21476ad1
ST		 5168}
5169
5170static int
5c24e83f
JB		 5171ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
5172 struct link_station_del_parameters *params)
21476ad1
ST		 5173{
5174 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5c24e83f 5175 struct sta_info *sta;
21476ad1 5176
4d3acf43 5177 lockdep_assert_wiphy(sdata->local->hw.wiphy);
21476ad1 5178
21476ad1
ST		 5179 sta = sta_info_get_bss(sdata, params->mld_mac);
5180 if (!sta)
5181 return -ENOENT;
5182
5183 if (!(sta->sta.valid_links & BIT(params->link_id)))
5184 return -EINVAL;
5185
956b9613
JB		 5186 /* must not create a STA without links */
5187 if (sta->sta.valid_links == BIT(params->link_id))
5188 return -EINVAL;
5189
21476ad1
ST		 5190 ieee80211_sta_remove_link(sta, params->link_id);
5191
5192 return 0;
5193}
5194
81202305
AS		 5195static int ieee80211_set_hw_timestamp(struct wiphy *wiphy,
5196 struct net_device *dev,
5197 struct cfg80211_set_hw_timestamp *hwts)
5198{
5199 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5200 struct ieee80211_local *local = sdata->local;
5201
5202 if (!local->ops->set_hw_timestamp)
5203 return -EOPNOTSUPP;
5204
5205 if (!check_sdata_in_driver(sdata))
5206 return -EIO;
5207
5208 return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts);
5209}
5210
f7660b3f
AB		 5211static int
5212ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev,
5213 struct cfg80211_ttlm_params *params)
5214{
5215 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5216
5217 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5218
5219 return ieee80211_req_neg_ttlm(sdata, params);
5220}
5221
36e05b0b
IP		 5222static int
5223ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev,
a096a860 5224 struct cfg80211_ml_reconf_req *req)
36e05b0b
IP		 5225{
5226 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5227
5228 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5229
a096a860 5230 return ieee80211_mgd_assoc_ml_reconf(sdata, req);
36e05b0b
IP		 5231}
5232
de86c5f6
IP		 5233static int
5234ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable)
5235{
5236 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5237
5238 return ieee80211_mgd_set_epcs(sdata, enable);
5239}
5240
8a47cea7 5241const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 5242 .add_virtual_intf = ieee80211_add_iface,
5243 .del_virtual_intf = ieee80211_del_iface,
42613db7 5244 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 5245 .start_p2p_device = ieee80211_start_p2p_device,
5246 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 5247 .add_key = ieee80211_add_key,
5248 .del_key = ieee80211_del_key,
62da92fb 5249 .get_key = ieee80211_get_key,
e8cbb4cb 5250 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 5251 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
e5473e80 5252 .set_default_beacon_key = ieee80211_config_default_beacon_key,
8860020e
JB		 5253 .start_ap = ieee80211_start_ap,
5254 .change_beacon = ieee80211_change_beacon,
5255 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 5256 .add_station = ieee80211_add_station,
5257 .del_station = ieee80211_del_station,
5258 .change_station = ieee80211_change_station,
7bbdd2d9 5259 .get_station = ieee80211_get_station,
c5dd9c2b 5260 .dump_station = ieee80211_dump_station,
1289723e 5261 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 5262#ifdef CONFIG_MAC80211_MESH
5263 .add_mpath = ieee80211_add_mpath,
5264 .del_mpath = ieee80211_del_mpath,
5265 .change_mpath = ieee80211_change_mpath,
5266 .get_mpath = ieee80211_get_mpath,
5267 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 5268 .get_mpp = ieee80211_get_mpp,
5269 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 5270 .update_mesh_config = ieee80211_update_mesh_config,
5271 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 5272 .join_mesh = ieee80211_join_mesh,
5273 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 5274#endif
239281f8
RL		 5275 .join_ocb = ieee80211_join_ocb,
5276 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 5277 .change_bss = ieee80211_change_bss,
108d2022 5278 .inform_bss = ieee80211_inform_bss,
31888487 5279 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 5280 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 5281 .suspend = ieee80211_suspend,
5282 .resume = ieee80211_resume,
2a519311 5283 .scan = ieee80211_scan,
91f123f2 5284 .abort_scan = ieee80211_abort_scan,
79f460ca
LC		 5285 .sched_scan_start = ieee80211_sched_scan_start,
5286 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 5287 .auth = ieee80211_auth,
5288 .assoc = ieee80211_assoc,
5289 .deauth = ieee80211_deauth,
5290 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 5291 .join_ibss = ieee80211_join_ibss,
5292 .leave_ibss = ieee80211_leave_ibss,
391e53e3 5293 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 5294 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 5295 .set_tx_power = ieee80211_set_tx_power,
5296 .get_tx_power = ieee80211_get_tx_power,
1f87f7d3 5297 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 5298 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 5299 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 5300 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 5301 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 5302 .remain_on_channel = ieee80211_remain_on_channel,
5303 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 5304 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 5305 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 5306 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2c3c5f8c 5307 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
6cd536fe
JB		 5308 .update_mgmt_frame_registrations =
5309 ieee80211_update_mgmt_frame_registrations,
15d96753
BR		 5310 .set_antenna = ieee80211_set_antenna,
5311 .get_antenna = ieee80211_get_antenna,
c68f4b89 5312 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 5313 .tdls_oper = ieee80211_tdls_oper,
5314 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 5315 .tdls_channel_switch = ieee80211_tdls_channel_switch,
5316 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 5317 .probe_client = ieee80211_probe_client,
b53be792 5318 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 5319#ifdef CONFIG_PM
5320 .set_wakeup = ieee80211_set_wakeup,
5321#endif
5b7ccaf3 5322 .get_channel = ieee80211_cfg_get_channel,
164eb02d 5323 .start_radar_detection = ieee80211_start_radar_detection,
26ec17a1 5324 .end_cac = ieee80211_end_cac,
73da7d5b 5325 .channel_switch = ieee80211_channel_switch,
32db6b54 5326 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 5327 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 5328 .add_tx_ts = ieee80211_add_tx_ts,
5329 .del_tx_ts = ieee80211_del_tx_ts,
708d50ed
AB		 5330 .start_nan = ieee80211_start_nan,
5331 .stop_nan = ieee80211_stop_nan,
5953ff6d 5332 .nan_change_conf = ieee80211_nan_change_conf,
167e33f4
AB		 5333 .add_nan_func = ieee80211_add_nan_func,
5334 .del_nan_func = ieee80211_del_nan_func,
ebceec86 5335 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
91180649 5336 .tx_control_port = ieee80211_tx_control_port,
2fe4a29a 5337 .get_txq_stats = ieee80211_get_txq_stats,
bc847970 5338 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
cee7013b
JB		 5339 .start_pmsr = ieee80211_start_pmsr,
5340 .abort_pmsr = ieee80211_abort_pmsr,
8828f81a 5341 .probe_mesh_link = ieee80211_probe_mesh_link,
370f51d5
T		 5342 .set_tid_config = ieee80211_set_tid_config,
5343 .reset_tid_config = ieee80211_reset_tid_config,
c534e093 5344 .set_sar_specs = ieee80211_set_sar_specs,
5f9404ab 5345 .color_change = ieee80211_color_change,
a95bfb87 5346 .set_radar_background = ieee80211_set_radar_background,
0d8c4a3c
JB		 5347 .add_intf_link = ieee80211_add_intf_link,
5348 .del_intf_link = ieee80211_del_intf_link,
21476ad1
ST		 5349 .add_link_station = ieee80211_add_link_station,
5350 .mod_link_station = ieee80211_mod_link_station,
5351 .del_link_station = ieee80211_del_link_station,
81202305 5352 .set_hw_timestamp = ieee80211_set_hw_timestamp,
f7660b3f 5353 .set_ttlm = ieee80211_set_ttlm,
0874bcd0 5354 .get_radio_mask = ieee80211_get_radio_mask,
36e05b0b 5355 .assoc_ml_reconf = ieee80211_assoc_ml_reconf,
de86c5f6 5356 .set_epcs = ieee80211_set_epcs,
f0706e82 5357};
Linux 6.x block layer and io_uring tree(s)