1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * mac80211 configuration hooks for cfg80211
4 *
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2015 Intel Mobile Communications GmbH
7 * Copyright (C) 2015-2017 Intel Deutschland GmbH
8 * Copyright (C) 2018-2022 Intel Corporation
9 */
10
11#include <linux/ieee80211.h>
12#include <linux/nl80211.h>
13#include <linux/rtnetlink.h>
14#include <linux/slab.h>
15#include <net/net_namespace.h>
16#include <linux/rcupdate.h>
17#include <linux/fips.h>
18#include <linux/if_ether.h>
19#include <net/cfg80211.h>
20#include "ieee80211_i.h"
21#include "driver-ops.h"
22#include "rate.h"
23#include "mesh.h"
24#include "wme.h"
25
26static struct ieee80211_link_data *
27ieee80211_link_or_deflink(struct ieee80211_sub_if_data *sdata, int link_id,
28 bool require_valid)
29{
30 struct ieee80211_link_data *link;
31
32 if (link_id < 0) {
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 */
38 if (require_valid && ieee80211_vif_is_mld(vif: &sdata->vif))
39 return ERR_PTR(error: -EINVAL);
40
41 return &sdata->deflink;
42 }
43
44 link = sdata_dereference(sdata->link[link_id], sdata);
45 if (!link)
46 return ERR_PTR(error: -ENOLINK);
47 return link;
48}
49
50static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
51 struct vif_params *params)
52{
53 bool mu_mimo_groups = false;
54 bool mu_mimo_follow = false;
55
56 if (params->vht_mumimo_groups) {
57 u64 membership;
58
59 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
60
61 memcpy(sdata->vif.bss_conf.mu_group.membership,
62 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
63 memcpy(sdata->vif.bss_conf.mu_group.position,
64 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
65 WLAN_USER_POSITION_LEN);
66 ieee80211_link_info_change_notify(sdata, link: &sdata->deflink,
67 changed: BSS_CHANGED_MU_GROUPS);
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(addr: params->vht_mumimo_follow_addr);
77 ether_addr_copy(dst: sdata->u.mntr.mu_follow_addr,
78 src: params->vht_mumimo_follow_addr);
79 }
80
81 sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
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)) {
92 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
93
94 /*
95 * Prohibit MONITOR_FLAG_COOK_FRAMES and
96 * MONITOR_FLAG_ACTIVE to be changed while the
97 * interface is up.
98 * Else we would need to add a lot of cruft
99 * to update everything:
100 * cooked_mntrs, monitor and all fif_* counters
101 * reconfigure hardware
102 */
103 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
104 return -EBUSY;
105 }
106
107 /* also validate MU-MIMO change */
108 monitor_sdata = wiphy_dereference(local->hw.wiphy,
109 local->monitor_sdata);
110
111 if (!monitor_sdata &&
112 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
113 return -EOPNOTSUPP;
114
115 /* apply all changes now - no failures allowed */
116
117 if (monitor_sdata)
118 ieee80211_set_mu_mimo_follow(sdata: monitor_sdata, params);
119
120 if (params->flags) {
121 if (ieee80211_sdata_running(sdata)) {
122 ieee80211_adjust_monitor_flags(sdata, offset: -1);
123 sdata->u.mntr.flags = params->flags;
124 ieee80211_adjust_monitor_flags(sdata, offset: 1);
125
126 ieee80211_configure_filter(local);
127 } else {
128 /*
129 * Because the interface is down, ieee80211_do_stop
130 * and ieee80211_do_open take care of "everything"
131 * mentioned in the comment above.
132 */
133 sdata->u.mntr.flags = params->flags;
134 }
135 }
136
137 return 0;
138}
139
140static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata,
141 struct cfg80211_mbssid_config params,
142 struct ieee80211_bss_conf *link_conf)
143{
144 struct ieee80211_sub_if_data *tx_sdata;
145
146 sdata->vif.mbssid_tx_vif = NULL;
147 link_conf->bssid_index = 0;
148 link_conf->nontransmitted = false;
149 link_conf->ema_ap = false;
150 link_conf->bssid_indicator = 0;
151
152 if (sdata->vif.type != NL80211_IFTYPE_AP || !params.tx_wdev)
153 return -EINVAL;
154
155 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(wdev: params.tx_wdev);
156 if (!tx_sdata)
157 return -EINVAL;
158
159 if (tx_sdata == sdata) {
160 sdata->vif.mbssid_tx_vif = &sdata->vif;
161 } else {
162 sdata->vif.mbssid_tx_vif = &tx_sdata->vif;
163 link_conf->nontransmitted = true;
164 link_conf->bssid_index = params.index;
165 }
166 if (params.ema)
167 link_conf->ema_ap = true;
168
169 return 0;
170}
171
172static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
173 const char *name,
174 unsigned char name_assign_type,
175 enum nl80211_iftype type,
176 struct vif_params *params)
177{
178 struct ieee80211_local *local = wiphy_priv(wiphy);
179 struct wireless_dev *wdev;
180 struct ieee80211_sub_if_data *sdata;
181 int err;
182
183 err = ieee80211_if_add(local, name, name_assign_type, new_wdev: &wdev, type, params);
184 if (err)
185 return ERR_PTR(error: err);
186
187 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
188
189 if (type == NL80211_IFTYPE_MONITOR) {
190 err = ieee80211_set_mon_options(sdata, params);
191 if (err) {
192 ieee80211_if_remove(sdata);
193 return NULL;
194 }
195 }
196
197 return wdev;
198}
199
200static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
201{
202 ieee80211_if_remove(sdata: IEEE80211_WDEV_TO_SUB_IF(wdev));
203
204 return 0;
205}
206
207static int ieee80211_change_iface(struct wiphy *wiphy,
208 struct net_device *dev,
209 enum nl80211_iftype type,
210 struct vif_params *params)
211{
212 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
213 struct ieee80211_local *local = sdata->local;
214 struct sta_info *sta;
215 int ret;
216
217 lockdep_assert_wiphy(local->hw.wiphy);
218
219 ret = ieee80211_if_change_type(sdata, type);
220 if (ret)
221 return ret;
222
223 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
224 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
225 ieee80211_check_fast_rx_iface(sdata);
226 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
227 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
228
229 if (params->use_4addr == ifmgd->use_4addr)
230 return 0;
231
232 /* FIXME: no support for 4-addr MLO yet */
233 if (ieee80211_vif_is_mld(vif: &sdata->vif))
234 return -EOPNOTSUPP;
235
236 sdata->u.mgd.use_4addr = params->use_4addr;
237 if (!ifmgd->associated)
238 return 0;
239
240 sta = sta_info_get(sdata, addr: sdata->deflink.u.mgd.bssid);
241 if (sta)
242 drv_sta_set_4addr(local, sdata, sta: &sta->sta,
243 enabled: params->use_4addr);
244
245 if (params->use_4addr)
246 ieee80211_send_4addr_nullfunc(local, sdata);
247 }
248
249 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
250 ret = ieee80211_set_mon_options(sdata, params);
251 if (ret)
252 return ret;
253 }
254
255 return 0;
256}
257
258static int ieee80211_start_p2p_device(struct wiphy *wiphy,
259 struct wireless_dev *wdev)
260{
261 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
262 int ret;
263
264 lockdep_assert_wiphy(sdata->local->hw.wiphy);
265
266 ret = ieee80211_check_combinations(sdata, NULL, chanmode: 0, radar_detect: 0);
267 if (ret < 0)
268 return ret;
269
270 return ieee80211_do_open(wdev, coming_up: true);
271}
272
273static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
274 struct wireless_dev *wdev)
275{
276 ieee80211_sdata_stop(sdata: IEEE80211_WDEV_TO_SUB_IF(wdev));
277}
278
279static int ieee80211_start_nan(struct wiphy *wiphy,
280 struct wireless_dev *wdev,
281 struct cfg80211_nan_conf *conf)
282{
283 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
284 int ret;
285
286 lockdep_assert_wiphy(sdata->local->hw.wiphy);
287
288 ret = ieee80211_check_combinations(sdata, NULL, chanmode: 0, radar_detect: 0);
289 if (ret < 0)
290 return ret;
291
292 ret = ieee80211_do_open(wdev, coming_up: true);
293 if (ret)
294 return ret;
295
296 ret = drv_start_nan(local: sdata->local, sdata, conf);
297 if (ret)
298 ieee80211_sdata_stop(sdata);
299
300 sdata->u.nan.conf = *conf;
301
302 return ret;
303}
304
305static void ieee80211_stop_nan(struct wiphy *wiphy,
306 struct wireless_dev *wdev)
307{
308 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
309
310 drv_stop_nan(local: sdata->local, sdata);
311 ieee80211_sdata_stop(sdata);
312}
313
314static int ieee80211_nan_change_conf(struct wiphy *wiphy,
315 struct wireless_dev *wdev,
316 struct cfg80211_nan_conf *conf,
317 u32 changes)
318{
319 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
320 struct cfg80211_nan_conf new_conf;
321 int ret = 0;
322
323 if (sdata->vif.type != NL80211_IFTYPE_NAN)
324 return -EOPNOTSUPP;
325
326 if (!ieee80211_sdata_running(sdata))
327 return -ENETDOWN;
328
329 new_conf = sdata->u.nan.conf;
330
331 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
332 new_conf.master_pref = conf->master_pref;
333
334 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
335 new_conf.bands = conf->bands;
336
337 ret = drv_nan_change_conf(local: sdata->local, sdata, conf: &new_conf, changes);
338 if (!ret)
339 sdata->u.nan.conf = new_conf;
340
341 return ret;
342}
343
344static int ieee80211_add_nan_func(struct wiphy *wiphy,
345 struct wireless_dev *wdev,
346 struct cfg80211_nan_func *nan_func)
347{
348 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
349 int ret;
350
351 if (sdata->vif.type != NL80211_IFTYPE_NAN)
352 return -EOPNOTSUPP;
353
354 if (!ieee80211_sdata_running(sdata))
355 return -ENETDOWN;
356
357 spin_lock_bh(lock: &sdata->u.nan.func_lock);
358
359 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
360 ptr: nan_func, start: 1, end: sdata->local->hw.max_nan_de_entries + 1,
361 GFP_ATOMIC);
362 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
363
364 if (ret < 0)
365 return ret;
366
367 nan_func->instance_id = ret;
368
369 WARN_ON(nan_func->instance_id == 0);
370
371 ret = drv_add_nan_func(local: sdata->local, sdata, nan_func);
372 if (ret) {
373 spin_lock_bh(lock: &sdata->u.nan.func_lock);
374 idr_remove(&sdata->u.nan.function_inst_ids,
375 id: nan_func->instance_id);
376 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
377 }
378
379 return ret;
380}
381
382static struct cfg80211_nan_func *
383ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
384 u64 cookie)
385{
386 struct cfg80211_nan_func *func;
387 int id;
388
389 lockdep_assert_held(&sdata->u.nan.func_lock);
390
391 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
392 if (func->cookie == cookie)
393 return func;
394 }
395
396 return NULL;
397}
398
399static void ieee80211_del_nan_func(struct wiphy *wiphy,
400 struct wireless_dev *wdev, u64 cookie)
401{
402 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
403 struct cfg80211_nan_func *func;
404 u8 instance_id = 0;
405
406 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
407 !ieee80211_sdata_running(sdata))
408 return;
409
410 spin_lock_bh(lock: &sdata->u.nan.func_lock);
411
412 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
413 if (func)
414 instance_id = func->instance_id;
415
416 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
417
418 if (instance_id)
419 drv_del_nan_func(local: sdata->local, sdata, instance_id);
420}
421
422static int ieee80211_set_noack_map(struct wiphy *wiphy,
423 struct net_device *dev,
424 u16 noack_map)
425{
426 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
427
428 sdata->noack_map = noack_map;
429
430 ieee80211_check_fast_xmit_iface(sdata);
431
432 return 0;
433}
434
435static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
436 const u8 *mac_addr, u8 key_idx)
437{
438 struct ieee80211_local *local = sdata->local;
439 struct ieee80211_key *key;
440 struct sta_info *sta;
441 int ret = -EINVAL;
442
443 if (!wiphy_ext_feature_isset(wiphy: local->hw.wiphy,
444 ftidx: NL80211_EXT_FEATURE_EXT_KEY_ID))
445 return -EINVAL;
446
447 sta = sta_info_get_bss(sdata, addr: mac_addr);
448
449 if (!sta)
450 return -EINVAL;
451
452 if (sta->ptk_idx == key_idx)
453 return 0;
454
455 key = wiphy_dereference(local->hw.wiphy, sta->ptk[key_idx]);
456
457 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
458 ret = ieee80211_set_tx_key(key);
459
460 return ret;
461}
462
463static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
464 int link_id, u8 key_idx, bool pairwise,
465 const u8 *mac_addr, struct key_params *params)
466{
467 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
468 struct ieee80211_link_data *link =
469 ieee80211_link_or_deflink(sdata, link_id, require_valid: false);
470 struct ieee80211_local *local = sdata->local;
471 struct sta_info *sta = NULL;
472 struct ieee80211_key *key;
473 int err;
474
475 lockdep_assert_wiphy(local->hw.wiphy);
476
477 if (!ieee80211_sdata_running(sdata))
478 return -ENETDOWN;
479
480 if (IS_ERR(ptr: link))
481 return PTR_ERR(ptr: link);
482
483 if (pairwise && params->mode == NL80211_KEY_SET_TX)
484 return ieee80211_set_tx(sdata, mac_addr, key_idx);
485
486 /* reject WEP and TKIP keys if WEP failed to initialize */
487 switch (params->cipher) {
488 case WLAN_CIPHER_SUITE_WEP40:
489 case WLAN_CIPHER_SUITE_TKIP:
490 case WLAN_CIPHER_SUITE_WEP104:
491 if (link_id >= 0)
492 return -EINVAL;
493 if (WARN_ON_ONCE(fips_enabled))
494 return -EINVAL;
495 break;
496 default:
497 break;
498 }
499
500 key = ieee80211_key_alloc(cipher: params->cipher, idx: key_idx, key_len: params->key_len,
501 key_data: params->key, seq_len: params->seq_len, seq: params->seq);
502 if (IS_ERR(ptr: key))
503 return PTR_ERR(ptr: key);
504
505 key->conf.link_id = link_id;
506
507 if (pairwise)
508 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
509
510 if (params->mode == NL80211_KEY_NO_TX)
511 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
512
513 if (mac_addr) {
514 sta = sta_info_get_bss(sdata, addr: mac_addr);
515 /*
516 * The ASSOC test makes sure the driver is ready to
517 * receive the key. When wpa_supplicant has roamed
518 * using FT, it attempts to set the key before
519 * association has completed, this rejects that attempt
520 * so it will set the key again after association.
521 *
522 * TODO: accept the key if we have a station entry and
523 * add it to the device after the station.
524 */
525 if (!sta || !test_sta_flag(sta, flag: WLAN_STA_ASSOC)) {
526 ieee80211_key_free_unused(key);
527 return -ENOENT;
528 }
529 }
530
531 switch (sdata->vif.type) {
532 case NL80211_IFTYPE_STATION:
533 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
534 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
535 break;
536 case NL80211_IFTYPE_AP:
537 case NL80211_IFTYPE_AP_VLAN:
538 /* Keys without a station are used for TX only */
539 if (sta && test_sta_flag(sta, flag: WLAN_STA_MFP))
540 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
541 break;
542 case NL80211_IFTYPE_ADHOC:
543 /* no MFP (yet) */
544 break;
545 case NL80211_IFTYPE_MESH_POINT:
546#ifdef CONFIG_MAC80211_MESH
547 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
548 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
549 break;
550#endif
551 case NL80211_IFTYPE_WDS:
552 case NL80211_IFTYPE_MONITOR:
553 case NL80211_IFTYPE_P2P_DEVICE:
554 case NL80211_IFTYPE_NAN:
555 case NL80211_IFTYPE_UNSPECIFIED:
556 case NUM_NL80211_IFTYPES:
557 case NL80211_IFTYPE_P2P_CLIENT:
558 case NL80211_IFTYPE_P2P_GO:
559 case NL80211_IFTYPE_OCB:
560 /* shouldn't happen */
561 WARN_ON_ONCE(1);
562 break;
563 }
564
565 err = ieee80211_key_link(key, link, sta);
566 /* KRACK protection, shouldn't happen but just silently accept key */
567 if (err == -EALREADY)
568 err = 0;
569
570 return err;
571}
572
573static struct ieee80211_key *
574ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id,
575 u8 key_idx, bool pairwise, const u8 *mac_addr)
576{
577 struct ieee80211_local *local __maybe_unused = sdata->local;
578 struct ieee80211_link_data *link = &sdata->deflink;
579 struct ieee80211_key *key;
580
581 if (link_id >= 0) {
582 link = sdata_dereference(sdata->link[link_id], sdata);
583 if (!link)
584 return NULL;
585 }
586
587 if (mac_addr) {
588 struct sta_info *sta;
589 struct link_sta_info *link_sta;
590
591 sta = sta_info_get_bss(sdata, addr: mac_addr);
592 if (!sta)
593 return NULL;
594
595 if (link_id >= 0) {
596 link_sta = rcu_dereference_check(sta->link[link_id],
597 lockdep_is_held(&local->hw.wiphy->mtx));
598 if (!link_sta)
599 return NULL;
600 } else {
601 link_sta = &sta->deflink;
602 }
603
604 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
605 return wiphy_dereference(local->hw.wiphy,
606 sta->ptk[key_idx]);
607
608 if (!pairwise &&
609 key_idx < NUM_DEFAULT_KEYS +
610 NUM_DEFAULT_MGMT_KEYS +
611 NUM_DEFAULT_BEACON_KEYS)
612 return wiphy_dereference(local->hw.wiphy,
613 link_sta->gtk[key_idx]);
614
615 return NULL;
616 }
617
618 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
619 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);
620
621 key = wiphy_dereference(local->hw.wiphy, link->gtk[key_idx]);
622 if (key)
623 return key;
624
625 /* or maybe it was a WEP key */
626 if (key_idx < NUM_DEFAULT_KEYS)
627 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);
628
629 return NULL;
630}
631
632static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
633 int link_id, u8 key_idx, bool pairwise,
634 const u8 *mac_addr)
635{
636 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
637 struct ieee80211_local *local = sdata->local;
638 struct ieee80211_key *key;
639
640 lockdep_assert_wiphy(local->hw.wiphy);
641
642 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
643 if (!key)
644 return -ENOENT;
645
646 ieee80211_key_free(key, delay_tailroom: sdata->vif.type == NL80211_IFTYPE_STATION);
647
648 return 0;
649}
650
651static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
652 int link_id, u8 key_idx, bool pairwise,
653 const u8 *mac_addr, void *cookie,
654 void (*callback)(void *cookie,
655 struct key_params *params))
656{
657 struct ieee80211_sub_if_data *sdata;
658 u8 seq[6] = {0};
659 struct key_params params;
660 struct ieee80211_key *key;
661 u64 pn64;
662 u32 iv32;
663 u16 iv16;
664 int err = -ENOENT;
665 struct ieee80211_key_seq kseq = {};
666
667 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
668
669 rcu_read_lock();
670
671 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
672 if (!key)
673 goto out;
674
675 memset(&params, 0, sizeof(params));
676
677 params.cipher = key->conf.cipher;
678
679 switch (key->conf.cipher) {
680 case WLAN_CIPHER_SUITE_TKIP:
681 pn64 = atomic64_read(v: &key->conf.tx_pn);
682 iv32 = TKIP_PN_TO_IV32(pn64);
683 iv16 = TKIP_PN_TO_IV16(pn64);
684
685 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
686 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
687 drv_get_key_seq(local: sdata->local, key, seq: &kseq);
688 iv32 = kseq.tkip.iv32;
689 iv16 = kseq.tkip.iv16;
690 }
691
692 seq[0] = iv16 & 0xff;
693 seq[1] = (iv16 >> 8) & 0xff;
694 seq[2] = iv32 & 0xff;
695 seq[3] = (iv32 >> 8) & 0xff;
696 seq[4] = (iv32 >> 16) & 0xff;
697 seq[5] = (iv32 >> 24) & 0xff;
698 params.seq = seq;
699 params.seq_len = 6;
700 break;
701 case WLAN_CIPHER_SUITE_CCMP:
702 case WLAN_CIPHER_SUITE_CCMP_256:
703 case WLAN_CIPHER_SUITE_AES_CMAC:
704 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
705 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
706 offsetof(typeof(kseq), aes_cmac));
707 fallthrough;
708 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
709 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
710 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
711 offsetof(typeof(kseq), aes_gmac));
712 fallthrough;
713 case WLAN_CIPHER_SUITE_GCMP:
714 case WLAN_CIPHER_SUITE_GCMP_256:
715 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
716 offsetof(typeof(kseq), gcmp));
717
718 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
719 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
720 drv_get_key_seq(local: sdata->local, key, seq: &kseq);
721 memcpy(seq, kseq.ccmp.pn, 6);
722 } else {
723 pn64 = atomic64_read(v: &key->conf.tx_pn);
724 seq[0] = pn64;
725 seq[1] = pn64 >> 8;
726 seq[2] = pn64 >> 16;
727 seq[3] = pn64 >> 24;
728 seq[4] = pn64 >> 32;
729 seq[5] = pn64 >> 40;
730 }
731 params.seq = seq;
732 params.seq_len = 6;
733 break;
734 default:
735 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
736 break;
737 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
738 break;
739 drv_get_key_seq(local: sdata->local, key, seq: &kseq);
740 params.seq = kseq.hw.seq;
741 params.seq_len = kseq.hw.seq_len;
742 break;
743 }
744
745 params.key = key->conf.key;
746 params.key_len = key->conf.keylen;
747
748 callback(cookie, &params);
749 err = 0;
750
751 out:
752 rcu_read_unlock();
753 return err;
754}
755
756static int ieee80211_config_default_key(struct wiphy *wiphy,
757 struct net_device *dev,
758 int link_id, u8 key_idx, bool uni,
759 bool multi)
760{
761 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
762 struct ieee80211_link_data *link =
763 ieee80211_link_or_deflink(sdata, link_id, require_valid: false);
764
765 if (IS_ERR(ptr: link))
766 return PTR_ERR(ptr: link);
767
768 ieee80211_set_default_key(link, idx: key_idx, uni, multi);
769
770 return 0;
771}
772
773static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
774 struct net_device *dev,
775 int link_id, u8 key_idx)
776{
777 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
778 struct ieee80211_link_data *link =
779 ieee80211_link_or_deflink(sdata, link_id, require_valid: true);
780
781 if (IS_ERR(ptr: link))
782 return PTR_ERR(ptr: link);
783
784 ieee80211_set_default_mgmt_key(link, idx: key_idx);
785
786 return 0;
787}
788
789static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
790 struct net_device *dev,
791 int link_id, u8 key_idx)
792{
793 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
794 struct ieee80211_link_data *link =
795 ieee80211_link_or_deflink(sdata, link_id, require_valid: true);
796
797 if (IS_ERR(ptr: link))
798 return PTR_ERR(ptr: link);
799
800 ieee80211_set_default_beacon_key(link, idx: key_idx);
801
802 return 0;
803}
804
805void sta_set_rate_info_tx(struct sta_info *sta,
806 const struct ieee80211_tx_rate *rate,
807 struct rate_info *rinfo)
808{
809 rinfo->flags = 0;
810 if (rate->flags & IEEE80211_TX_RC_MCS) {
811 rinfo->flags |= RATE_INFO_FLAGS_MCS;
812 rinfo->mcs = rate->idx;
813 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
814 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
815 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
816 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
817 } else {
818 struct ieee80211_supported_band *sband;
819
820 sband = ieee80211_get_sband(sdata: sta->sdata);
821 WARN_ON_ONCE(sband && !sband->bitrates);
822 if (sband && sband->bitrates)
823 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
824 }
825 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
826 rinfo->bw = RATE_INFO_BW_40;
827 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
828 rinfo->bw = RATE_INFO_BW_80;
829 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
830 rinfo->bw = RATE_INFO_BW_160;
831 else
832 rinfo->bw = RATE_INFO_BW_20;
833 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
834 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
835}
836
837static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
838 int idx, u8 *mac, struct station_info *sinfo)
839{
840 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
841 struct ieee80211_local *local = sdata->local;
842 struct sta_info *sta;
843 int ret = -ENOENT;
844
845 lockdep_assert_wiphy(local->hw.wiphy);
846
847 sta = sta_info_get_by_idx(sdata, idx);
848 if (sta) {
849 ret = 0;
850 memcpy(mac, sta->sta.addr, ETH_ALEN);
851 sta_set_sinfo(sta, sinfo, tidstats: true);
852 }
853
854 return ret;
855}
856
857static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
858 int idx, struct survey_info *survey)
859{
860 struct ieee80211_local *local = wdev_priv(wdev: dev->ieee80211_ptr);
861
862 return drv_get_survey(local, idx, survey);
863}
864
865static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
866 const u8 *mac, struct station_info *sinfo)
867{
868 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
869 struct ieee80211_local *local = sdata->local;
870 struct sta_info *sta;
871 int ret = -ENOENT;
872
873 lockdep_assert_wiphy(local->hw.wiphy);
874
875 sta = sta_info_get_bss(sdata, addr: mac);
876 if (sta) {
877 ret = 0;
878 sta_set_sinfo(sta, sinfo, tidstats: true);
879 }
880
881 return ret;
882}
883
884static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
885 struct cfg80211_chan_def *chandef)
886{
887 struct ieee80211_local *local = wiphy_priv(wiphy);
888 struct ieee80211_sub_if_data *sdata;
889 int ret = 0;
890
891 lockdep_assert_wiphy(local->hw.wiphy);
892
893 if (cfg80211_chandef_identical(chandef1: &local->monitor_chandef, chandef2: chandef))
894 return 0;
895
896 if (local->use_chanctx) {
897 sdata = wiphy_dereference(local->hw.wiphy,
898 local->monitor_sdata);
899 if (sdata) {
900 ieee80211_link_release_channel(link: &sdata->deflink);
901 ret = ieee80211_link_use_channel(link: &sdata->deflink,
902 chandef,
903 mode: IEEE80211_CHANCTX_EXCLUSIVE);
904 }
905 } else {
906 if (local->open_count == local->monitors) {
907 local->_oper_chandef = *chandef;
908 ieee80211_hw_config(local, changed: 0);
909 }
910 }
911
912 if (ret == 0)
913 local->monitor_chandef = *chandef;
914
915 return ret;
916}
917
918static int
919ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
920 const u8 *resp, size_t resp_len,
921 const struct ieee80211_csa_settings *csa,
922 const struct ieee80211_color_change_settings *cca,
923 struct ieee80211_link_data *link)
924{
925 struct probe_resp *new, *old;
926
927 if (!resp || !resp_len)
928 return 1;
929
930 old = sdata_dereference(link->u.ap.probe_resp, sdata);
931
932 new = kzalloc(size: sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
933 if (!new)
934 return -ENOMEM;
935
936 new->len = resp_len;
937 memcpy(new->data, resp, resp_len);
938
939 if (csa)
940 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
941 csa->n_counter_offsets_presp *
942 sizeof(new->cntdwn_counter_offsets[0]));
943 else if (cca)
944 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp;
945
946 rcu_assign_pointer(link->u.ap.probe_resp, new);
947 if (old)
948 kfree_rcu(old, rcu_head);
949
950 return 0;
951}
952
953static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
954 struct cfg80211_fils_discovery *params,
955 struct ieee80211_link_data *link,
956 struct ieee80211_bss_conf *link_conf)
957{
958 struct fils_discovery_data *new, *old = NULL;
959 struct ieee80211_fils_discovery *fd;
960
961 if (!params->update)
962 return 0;
963
964 fd = &link_conf->fils_discovery;
965 fd->min_interval = params->min_interval;
966 fd->max_interval = params->max_interval;
967
968 old = sdata_dereference(link->u.ap.fils_discovery, sdata);
969 if (old)
970 kfree_rcu(old, rcu_head);
971
972 if (params->tmpl && params->tmpl_len) {
973 new = kzalloc(size: sizeof(*new) + params->tmpl_len, GFP_KERNEL);
974 if (!new)
975 return -ENOMEM;
976 new->len = params->tmpl_len;
977 memcpy(new->data, params->tmpl, params->tmpl_len);
978 rcu_assign_pointer(link->u.ap.fils_discovery, new);
979 } else {
980 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
981 }
982
983 return BSS_CHANGED_FILS_DISCOVERY;
984}
985
986static int
987ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
988 struct cfg80211_unsol_bcast_probe_resp *params,
989 struct ieee80211_link_data *link,
990 struct ieee80211_bss_conf *link_conf)
991{
992 struct unsol_bcast_probe_resp_data *new, *old = NULL;
993
994 if (!params->update)
995 return 0;
996
997 link_conf->unsol_bcast_probe_resp_interval = params->interval;
998
999 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata);
1000 if (old)
1001 kfree_rcu(old, rcu_head);
1002
1003 if (params->tmpl && params->tmpl_len) {
1004 new = kzalloc(size: sizeof(*new) + params->tmpl_len, GFP_KERNEL);
1005 if (!new)
1006 return -ENOMEM;
1007 new->len = params->tmpl_len;
1008 memcpy(new->data, params->tmpl, params->tmpl_len);
1009 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new);
1010 } else {
1011 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
1012 }
1013
1014 return BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1015}
1016
1017static int ieee80211_set_ftm_responder_params(
1018 struct ieee80211_sub_if_data *sdata,
1019 const u8 *lci, size_t lci_len,
1020 const u8 *civicloc, size_t civicloc_len,
1021 struct ieee80211_bss_conf *link_conf)
1022{
1023 struct ieee80211_ftm_responder_params *new, *old;
1024 u8 *pos;
1025 int len;
1026
1027 if (!lci_len && !civicloc_len)
1028 return 0;
1029
1030 old = link_conf->ftmr_params;
1031 len = lci_len + civicloc_len;
1032
1033 new = kzalloc(size: sizeof(*new) + len, GFP_KERNEL);
1034 if (!new)
1035 return -ENOMEM;
1036
1037 pos = (u8 *)(new + 1);
1038 if (lci_len) {
1039 new->lci_len = lci_len;
1040 new->lci = pos;
1041 memcpy(pos, lci, lci_len);
1042 pos += lci_len;
1043 }
1044
1045 if (civicloc_len) {
1046 new->civicloc_len = civicloc_len;
1047 new->civicloc = pos;
1048 memcpy(pos, civicloc, civicloc_len);
1049 pos += civicloc_len;
1050 }
1051
1052 link_conf->ftmr_params = new;
1053 kfree(objp: old);
1054
1055 return 0;
1056}
1057
1058static int
1059ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst,
1060 struct cfg80211_mbssid_elems *src)
1061{
1062 int i, offset = 0;
1063
1064 for (i = 0; i < src->cnt; i++) {
1065 memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
1066 dst->elem[i].len = src->elem[i].len;
1067 dst->elem[i].data = pos + offset;
1068 offset += dst->elem[i].len;
1069 }
1070 dst->cnt = src->cnt;
1071
1072 return offset;
1073}
1074
1075static int
1076ieee80211_copy_rnr_beacon(u8 *pos, struct cfg80211_rnr_elems *dst,
1077 struct cfg80211_rnr_elems *src)
1078{
1079 int i, offset = 0;
1080
1081 for (i = 0; i < src->cnt; i++) {
1082 memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
1083 dst->elem[i].len = src->elem[i].len;
1084 dst->elem[i].data = pos + offset;
1085 offset += dst->elem[i].len;
1086 }
1087 dst->cnt = src->cnt;
1088
1089 return offset;
1090}
1091
1092static int
1093ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
1094 struct ieee80211_link_data *link,
1095 struct cfg80211_beacon_data *params,
1096 const struct ieee80211_csa_settings *csa,
1097 const struct ieee80211_color_change_settings *cca,
1098 u64 *changed)
1099{
1100 struct cfg80211_mbssid_elems *mbssid = NULL;
1101 struct cfg80211_rnr_elems *rnr = NULL;
1102 struct beacon_data *new, *old;
1103 int new_head_len, new_tail_len;
1104 int size, err;
1105 u64 _changed = BSS_CHANGED_BEACON;
1106 struct ieee80211_bss_conf *link_conf = link->conf;
1107
1108 old = sdata_dereference(link->u.ap.beacon, sdata);
1109
1110 /* Need to have a beacon head if we don't have one yet */
1111 if (!params->head && !old)
1112 return -EINVAL;
1113
1114 /* new or old head? */
1115 if (params->head)
1116 new_head_len = params->head_len;
1117 else
1118 new_head_len = old->head_len;
1119
1120 /* new or old tail? */
1121 if (params->tail || !old)
1122 /* params->tail_len will be zero for !params->tail */
1123 new_tail_len = params->tail_len;
1124 else
1125 new_tail_len = old->tail_len;
1126
1127 size = sizeof(*new) + new_head_len + new_tail_len;
1128
1129 /* new or old multiple BSSID elements? */
1130 if (params->mbssid_ies) {
1131 mbssid = params->mbssid_ies;
1132 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1133 if (params->rnr_ies) {
1134 rnr = params->rnr_ies;
1135 size += struct_size(new->rnr_ies, elem, rnr->cnt);
1136 }
1137 size += ieee80211_get_mbssid_beacon_len(elems: mbssid, rnr_elems: rnr,
1138 i: mbssid->cnt);
1139 } else if (old && old->mbssid_ies) {
1140 mbssid = old->mbssid_ies;
1141 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1142 if (old && old->rnr_ies) {
1143 rnr = old->rnr_ies;
1144 size += struct_size(new->rnr_ies, elem, rnr->cnt);
1145 }
1146 size += ieee80211_get_mbssid_beacon_len(elems: mbssid, rnr_elems: rnr,
1147 i: mbssid->cnt);
1148 }
1149
1150 new = kzalloc(size, GFP_KERNEL);
1151 if (!new)
1152 return -ENOMEM;
1153
1154 /* start filling the new info now */
1155
1156 /*
1157 * pointers go into the block we allocated,
1158 * memory is | beacon_data | head | tail | mbssid_ies | rnr_ies
1159 */
1160 new->head = ((u8 *) new) + sizeof(*new);
1161 new->tail = new->head + new_head_len;
1162 new->head_len = new_head_len;
1163 new->tail_len = new_tail_len;
1164 /* copy in optional mbssid_ies */
1165 if (mbssid) {
1166 u8 *pos = new->tail + new->tail_len;
1167
1168 new->mbssid_ies = (void *)pos;
1169 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1170 pos += ieee80211_copy_mbssid_beacon(pos, dst: new->mbssid_ies,
1171 src: mbssid);
1172 if (rnr) {
1173 new->rnr_ies = (void *)pos;
1174 pos += struct_size(new->rnr_ies, elem, rnr->cnt);
1175 ieee80211_copy_rnr_beacon(pos, dst: new->rnr_ies, src: rnr);
1176 }
1177 /* update bssid_indicator */
1178 link_conf->bssid_indicator =
1179 ilog2(__roundup_pow_of_two(mbssid->cnt + 1));
1180 }
1181
1182 if (csa) {
1183 new->cntdwn_current_counter = csa->count;
1184 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
1185 csa->n_counter_offsets_beacon *
1186 sizeof(new->cntdwn_counter_offsets[0]));
1187 } else if (cca) {
1188 new->cntdwn_current_counter = cca->count;
1189 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon;
1190 }
1191
1192 /* copy in head */
1193 if (params->head)
1194 memcpy(new->head, params->head, new_head_len);
1195 else
1196 memcpy(new->head, old->head, new_head_len);
1197
1198 /* copy in optional tail */
1199 if (params->tail)
1200 memcpy(new->tail, params->tail, new_tail_len);
1201 else
1202 if (old)
1203 memcpy(new->tail, old->tail, new_tail_len);
1204
1205 err = ieee80211_set_probe_resp(sdata, resp: params->probe_resp,
1206 resp_len: params->probe_resp_len, csa, cca, link);
1207 if (err < 0) {
1208 kfree(objp: new);
1209 return err;
1210 }
1211 if (err == 0)
1212 _changed |= BSS_CHANGED_AP_PROBE_RESP;
1213
1214 if (params->ftm_responder != -1) {
1215 link_conf->ftm_responder = params->ftm_responder;
1216 err = ieee80211_set_ftm_responder_params(sdata,
1217 lci: params->lci,
1218 lci_len: params->lci_len,
1219 civicloc: params->civicloc,
1220 civicloc_len: params->civicloc_len,
1221 link_conf);
1222
1223 if (err < 0) {
1224 kfree(objp: new);
1225 return err;
1226 }
1227
1228 _changed |= BSS_CHANGED_FTM_RESPONDER;
1229 }
1230
1231 rcu_assign_pointer(link->u.ap.beacon, new);
1232 sdata->u.ap.active = true;
1233
1234 if (old)
1235 kfree_rcu(old, rcu_head);
1236
1237 *changed |= _changed;
1238 return 0;
1239}
1240
1241static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1242 struct cfg80211_ap_settings *params)
1243{
1244 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1245 struct ieee80211_local *local = sdata->local;
1246 struct beacon_data *old;
1247 struct ieee80211_sub_if_data *vlan;
1248 u64 changed = BSS_CHANGED_BEACON_INT |
1249 BSS_CHANGED_BEACON_ENABLED |
1250 BSS_CHANGED_BEACON |
1251 BSS_CHANGED_P2P_PS |
1252 BSS_CHANGED_TXPOWER |
1253 BSS_CHANGED_TWT;
1254 int i, err;
1255 int prev_beacon_int;
1256 unsigned int link_id = params->beacon.link_id;
1257 struct ieee80211_link_data *link;
1258 struct ieee80211_bss_conf *link_conf;
1259
1260 lockdep_assert_wiphy(local->hw.wiphy);
1261
1262 link = sdata_dereference(sdata->link[link_id], sdata);
1263 if (!link)
1264 return -ENOLINK;
1265
1266 link_conf = link->conf;
1267
1268 old = sdata_dereference(link->u.ap.beacon, sdata);
1269 if (old)
1270 return -EALREADY;
1271
1272 if (params->smps_mode != NL80211_SMPS_OFF)
1273 return -ENOTSUPP;
1274
1275 link->smps_mode = IEEE80211_SMPS_OFF;
1276
1277 link->needed_rx_chains = sdata->local->rx_chains;
1278
1279 prev_beacon_int = link_conf->beacon_int;
1280 link_conf->beacon_int = params->beacon_interval;
1281
1282 if (params->ht_cap)
1283 link_conf->ht_ldpc =
1284 params->ht_cap->cap_info &
1285 cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING);
1286
1287 if (params->vht_cap) {
1288 link_conf->vht_ldpc =
1289 params->vht_cap->vht_cap_info &
1290 cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC);
1291 link_conf->vht_su_beamformer =
1292 params->vht_cap->vht_cap_info &
1293 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
1294 link_conf->vht_su_beamformee =
1295 params->vht_cap->vht_cap_info &
1296 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
1297 link_conf->vht_mu_beamformer =
1298 params->vht_cap->vht_cap_info &
1299 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
1300 link_conf->vht_mu_beamformee =
1301 params->vht_cap->vht_cap_info &
1302 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
1303 }
1304
1305 if (params->he_cap && params->he_oper) {
1306 link_conf->he_support = true;
1307 link_conf->htc_trig_based_pkt_ext =
1308 le32_get_bits(v: params->he_oper->he_oper_params,
1309 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1310 link_conf->frame_time_rts_th =
1311 le32_get_bits(v: params->he_oper->he_oper_params,
1312 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1313 changed |= BSS_CHANGED_HE_OBSS_PD;
1314
1315 if (params->beacon.he_bss_color.enabled)
1316 changed |= BSS_CHANGED_HE_BSS_COLOR;
1317 }
1318
1319 if (params->he_cap) {
1320 link_conf->he_ldpc =
1321 params->he_cap->phy_cap_info[1] &
1322 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
1323 link_conf->he_su_beamformer =
1324 params->he_cap->phy_cap_info[3] &
1325 IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
1326 link_conf->he_su_beamformee =
1327 params->he_cap->phy_cap_info[4] &
1328 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE;
1329 link_conf->he_mu_beamformer =
1330 params->he_cap->phy_cap_info[4] &
1331 IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
1332 link_conf->he_full_ul_mumimo =
1333 params->he_cap->phy_cap_info[2] &
1334 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO;
1335 }
1336
1337 if (params->eht_cap) {
1338 if (!link_conf->he_support)
1339 return -EOPNOTSUPP;
1340
1341 link_conf->eht_support = true;
1342 link_conf->eht_puncturing = params->punct_bitmap;
1343 changed |= BSS_CHANGED_EHT_PUNCTURING;
1344
1345 link_conf->eht_su_beamformer =
1346 params->eht_cap->fixed.phy_cap_info[0] &
1347 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER;
1348 link_conf->eht_su_beamformee =
1349 params->eht_cap->fixed.phy_cap_info[0] &
1350 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
1351 link_conf->eht_mu_beamformer =
1352 params->eht_cap->fixed.phy_cap_info[7] &
1353 (IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
1354 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
1355 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ);
1356 } else {
1357 link_conf->eht_su_beamformer = false;
1358 link_conf->eht_su_beamformee = false;
1359 link_conf->eht_mu_beamformer = false;
1360 }
1361
1362 if (sdata->vif.type == NL80211_IFTYPE_AP &&
1363 params->mbssid_config.tx_wdev) {
1364 err = ieee80211_set_ap_mbssid_options(sdata,
1365 params: params->mbssid_config,
1366 link_conf);
1367 if (err)
1368 return err;
1369 }
1370
1371 err = ieee80211_link_use_channel(link, chandef: &params->chandef,
1372 mode: IEEE80211_CHANCTX_SHARED);
1373 if (!err)
1374 ieee80211_link_copy_chanctx_to_vlans(link, clear: false);
1375 if (err) {
1376 link_conf->beacon_int = prev_beacon_int;
1377 return err;
1378 }
1379
1380 /*
1381 * Apply control port protocol, this allows us to
1382 * not encrypt dynamic WEP control frames.
1383 */
1384 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1385 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1386 sdata->control_port_over_nl80211 =
1387 params->crypto.control_port_over_nl80211;
1388 sdata->control_port_no_preauth =
1389 params->crypto.control_port_no_preauth;
1390
1391 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1392 vlan->control_port_protocol =
1393 params->crypto.control_port_ethertype;
1394 vlan->control_port_no_encrypt =
1395 params->crypto.control_port_no_encrypt;
1396 vlan->control_port_over_nl80211 =
1397 params->crypto.control_port_over_nl80211;
1398 vlan->control_port_no_preauth =
1399 params->crypto.control_port_no_preauth;
1400 }
1401
1402 link_conf->dtim_period = params->dtim_period;
1403 link_conf->enable_beacon = true;
1404 link_conf->allow_p2p_go_ps = sdata->vif.p2p;
1405 link_conf->twt_responder = params->twt_responder;
1406 link_conf->he_obss_pd = params->he_obss_pd;
1407 link_conf->he_bss_color = params->beacon.he_bss_color;
1408 sdata->vif.cfg.s1g = params->chandef.chan->band ==
1409 NL80211_BAND_S1GHZ;
1410
1411 sdata->vif.cfg.ssid_len = params->ssid_len;
1412 if (params->ssid_len)
1413 memcpy(sdata->vif.cfg.ssid, params->ssid,
1414 params->ssid_len);
1415 link_conf->hidden_ssid =
1416 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1417
1418 memset(&link_conf->p2p_noa_attr, 0,
1419 sizeof(link_conf->p2p_noa_attr));
1420 link_conf->p2p_noa_attr.oppps_ctwindow =
1421 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1422 if (params->p2p_opp_ps)
1423 link_conf->p2p_noa_attr.oppps_ctwindow |=
1424 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1425
1426 sdata->beacon_rate_set = false;
1427 if (wiphy_ext_feature_isset(wiphy: local->hw.wiphy,
1428 ftidx: NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1429 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1430 sdata->beacon_rateidx_mask[i] =
1431 params->beacon_rate.control[i].legacy;
1432 if (sdata->beacon_rateidx_mask[i])
1433 sdata->beacon_rate_set = true;
1434 }
1435 }
1436
1437 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1438 link_conf->beacon_tx_rate = params->beacon_rate;
1439
1440 err = ieee80211_assign_beacon(sdata, link, params: &params->beacon, NULL, NULL,
1441 changed: &changed);
1442 if (err < 0)
1443 goto error;
1444
1445 err = ieee80211_set_fils_discovery(sdata, params: &params->fils_discovery,
1446 link, link_conf);
1447 if (err < 0)
1448 goto error;
1449 changed |= err;
1450
1451 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1452 params: &params->unsol_bcast_probe_resp,
1453 link, link_conf);
1454 if (err < 0)
1455 goto error;
1456 changed |= err;
1457
1458 err = drv_start_ap(local: sdata->local, sdata, link_conf);
1459 if (err) {
1460 old = sdata_dereference(link->u.ap.beacon, sdata);
1461
1462 if (old)
1463 kfree_rcu(old, rcu_head);
1464 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1465 sdata->u.ap.active = false;
1466 goto error;
1467 }
1468
1469 ieee80211_recalc_dtim(local, sdata);
1470 ieee80211_vif_cfg_change_notify(sdata, changed: BSS_CHANGED_SSID);
1471 ieee80211_link_info_change_notify(sdata, link, changed);
1472
1473 netif_carrier_on(dev);
1474 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1475 netif_carrier_on(dev: vlan->dev);
1476
1477 return 0;
1478
1479error:
1480 ieee80211_link_release_channel(link);
1481
1482 return err;
1483}
1484
1485static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1486 struct cfg80211_ap_update *params)
1487
1488{
1489 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1490 struct ieee80211_link_data *link;
1491 struct cfg80211_beacon_data *beacon = &params->beacon;
1492 struct beacon_data *old;
1493 int err;
1494 struct ieee80211_bss_conf *link_conf;
1495 u64 changed = 0;
1496
1497 lockdep_assert_wiphy(wiphy);
1498
1499 link = sdata_dereference(sdata->link[beacon->link_id], sdata);
1500 if (!link)
1501 return -ENOLINK;
1502
1503 link_conf = link->conf;
1504
1505 /* don't allow changing the beacon while a countdown is in place - offset
1506 * of channel switch counter may change
1507 */
1508 if (link_conf->csa_active || link_conf->color_change_active)
1509 return -EBUSY;
1510
1511 old = sdata_dereference(link->u.ap.beacon, sdata);
1512 if (!old)
1513 return -ENOENT;
1514
1515 err = ieee80211_assign_beacon(sdata, link, params: beacon, NULL, NULL,
1516 changed: &changed);
1517 if (err < 0)
1518 return err;
1519
1520 err = ieee80211_set_fils_discovery(sdata, params: &params->fils_discovery,
1521 link, link_conf);
1522 if (err < 0)
1523 return err;
1524 changed |= err;
1525
1526 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1527 params: &params->unsol_bcast_probe_resp,
1528 link, link_conf);
1529 if (err < 0)
1530 return err;
1531 changed |= err;
1532
1533 if (beacon->he_bss_color_valid &&
1534 beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
1535 link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled;
1536 changed |= BSS_CHANGED_HE_BSS_COLOR;
1537 }
1538
1539 ieee80211_link_info_change_notify(sdata, link, changed);
1540 return 0;
1541}
1542
1543static void ieee80211_free_next_beacon(struct ieee80211_link_data *link)
1544{
1545 if (!link->u.ap.next_beacon)
1546 return;
1547
1548 kfree(objp: link->u.ap.next_beacon->mbssid_ies);
1549 kfree(objp: link->u.ap.next_beacon->rnr_ies);
1550 kfree(objp: link->u.ap.next_beacon);
1551 link->u.ap.next_beacon = NULL;
1552}
1553
1554static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
1555 unsigned int link_id)
1556{
1557 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1558 struct ieee80211_sub_if_data *vlan;
1559 struct ieee80211_local *local = sdata->local;
1560 struct beacon_data *old_beacon;
1561 struct probe_resp *old_probe_resp;
1562 struct fils_discovery_data *old_fils_discovery;
1563 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1564 struct cfg80211_chan_def chandef;
1565 struct ieee80211_link_data *link =
1566 sdata_dereference(sdata->link[link_id], sdata);
1567 struct ieee80211_bss_conf *link_conf = link->conf;
1568
1569 lockdep_assert_wiphy(local->hw.wiphy);
1570
1571 old_beacon = sdata_dereference(link->u.ap.beacon, sdata);
1572 if (!old_beacon)
1573 return -ENOENT;
1574 old_probe_resp = sdata_dereference(link->u.ap.probe_resp,
1575 sdata);
1576 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery,
1577 sdata);
1578 old_unsol_bcast_probe_resp =
1579 sdata_dereference(link->u.ap.unsol_bcast_probe_resp,
1580 sdata);
1581
1582 /* abort any running channel switch or color change */
1583 link_conf->csa_active = false;
1584 link_conf->color_change_active = false;
1585 if (link->csa_block_tx) {
1586 ieee80211_wake_vif_queues(local, sdata,
1587 reason: IEEE80211_QUEUE_STOP_REASON_CSA);
1588 link->csa_block_tx = false;
1589 }
1590
1591 ieee80211_free_next_beacon(link);
1592
1593 /* turn off carrier for this interface and dependent VLANs */
1594 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1595 netif_carrier_off(dev: vlan->dev);
1596 netif_carrier_off(dev);
1597
1598 /* remove beacon and probe response */
1599 sdata->u.ap.active = false;
1600 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1601 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL);
1602 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
1603 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
1604 kfree_rcu(old_beacon, rcu_head);
1605 if (old_probe_resp)
1606 kfree_rcu(old_probe_resp, rcu_head);
1607 if (old_fils_discovery)
1608 kfree_rcu(old_fils_discovery, rcu_head);
1609 if (old_unsol_bcast_probe_resp)
1610 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1611
1612 kfree(objp: link_conf->ftmr_params);
1613 link_conf->ftmr_params = NULL;
1614
1615 sdata->vif.mbssid_tx_vif = NULL;
1616 link_conf->bssid_index = 0;
1617 link_conf->nontransmitted = false;
1618 link_conf->ema_ap = false;
1619 link_conf->bssid_indicator = 0;
1620
1621 __sta_info_flush(sdata, vlans: true);
1622 ieee80211_free_keys(sdata, force_synchronize: true);
1623
1624 link_conf->enable_beacon = false;
1625 sdata->beacon_rate_set = false;
1626 sdata->vif.cfg.ssid_len = 0;
1627 clear_bit(nr: SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, addr: &sdata->state);
1628 ieee80211_link_info_change_notify(sdata, link,
1629 changed: BSS_CHANGED_BEACON_ENABLED);
1630
1631 if (sdata->wdev.cac_started) {
1632 chandef = link_conf->chandef;
1633 wiphy_delayed_work_cancel(wiphy, dwork: &link->dfs_cac_timer_work);
1634 cfg80211_cac_event(netdev: sdata->dev, chandef: &chandef,
1635 event: NL80211_RADAR_CAC_ABORTED,
1636 GFP_KERNEL);
1637 }
1638
1639 drv_stop_ap(local: sdata->local, sdata, link_conf);
1640
1641 /* free all potentially still buffered bcast frames */
1642 local->total_ps_buffered -= skb_queue_len(list_: &sdata->u.ap.ps.bc_buf);
1643 ieee80211_purge_tx_queue(hw: &local->hw, skbs: &sdata->u.ap.ps.bc_buf);
1644
1645 ieee80211_link_copy_chanctx_to_vlans(link, clear: true);
1646 ieee80211_link_release_channel(link);
1647
1648 return 0;
1649}
1650
1651static int sta_apply_auth_flags(struct ieee80211_local *local,
1652 struct sta_info *sta,
1653 u32 mask, u32 set)
1654{
1655 int ret;
1656
1657 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1658 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1659 !test_sta_flag(sta, flag: WLAN_STA_AUTH)) {
1660 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_AUTH);
1661 if (ret)
1662 return ret;
1663 }
1664
1665 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1666 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1667 !test_sta_flag(sta, flag: WLAN_STA_ASSOC)) {
1668 /*
1669 * When peer becomes associated, init rate control as
1670 * well. Some drivers require rate control initialized
1671 * before drv_sta_state() is called.
1672 */
1673 if (!test_sta_flag(sta, flag: WLAN_STA_RATE_CONTROL))
1674 rate_control_rate_init(sta);
1675
1676 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_ASSOC);
1677 if (ret)
1678 return ret;
1679 }
1680
1681 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1682 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1683 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_AUTHORIZED);
1684 else if (test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED))
1685 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_ASSOC);
1686 else
1687 ret = 0;
1688 if (ret)
1689 return ret;
1690 }
1691
1692 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1693 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1694 test_sta_flag(sta, flag: WLAN_STA_ASSOC)) {
1695 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_AUTH);
1696 if (ret)
1697 return ret;
1698 }
1699
1700 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1701 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1702 test_sta_flag(sta, flag: WLAN_STA_AUTH)) {
1703 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_NONE);
1704 if (ret)
1705 return ret;
1706 }
1707
1708 return 0;
1709}
1710
1711static void sta_apply_mesh_params(struct ieee80211_local *local,
1712 struct sta_info *sta,
1713 struct station_parameters *params)
1714{
1715#ifdef CONFIG_MAC80211_MESH
1716 struct ieee80211_sub_if_data *sdata = sta->sdata;
1717 u64 changed = 0;
1718
1719 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1720 switch (params->plink_state) {
1721 case NL80211_PLINK_ESTAB:
1722 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1723 changed = mesh_plink_inc_estab_count(sdata);
1724 sta->mesh->plink_state = params->plink_state;
1725 sta->mesh->aid = params->peer_aid;
1726
1727 ieee80211_mps_sta_status_update(sta);
1728 changed |= ieee80211_mps_set_sta_local_pm(sta,
1729 pm: sdata->u.mesh.mshcfg.power_mode);
1730
1731 ewma_mesh_tx_rate_avg_init(e: &sta->mesh->tx_rate_avg);
1732 /* init at low value */
1733 ewma_mesh_tx_rate_avg_add(e: &sta->mesh->tx_rate_avg, val: 10);
1734
1735 break;
1736 case NL80211_PLINK_LISTEN:
1737 case NL80211_PLINK_BLOCKED:
1738 case NL80211_PLINK_OPN_SNT:
1739 case NL80211_PLINK_OPN_RCVD:
1740 case NL80211_PLINK_CNF_RCVD:
1741 case NL80211_PLINK_HOLDING:
1742 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1743 changed = mesh_plink_dec_estab_count(sdata);
1744 sta->mesh->plink_state = params->plink_state;
1745
1746 ieee80211_mps_sta_status_update(sta);
1747 changed |= ieee80211_mps_set_sta_local_pm(sta,
1748 pm: NL80211_MESH_POWER_UNKNOWN);
1749 break;
1750 default:
1751 /* nothing */
1752 break;
1753 }
1754 }
1755
1756 switch (params->plink_action) {
1757 case NL80211_PLINK_ACTION_NO_ACTION:
1758 /* nothing */
1759 break;
1760 case NL80211_PLINK_ACTION_OPEN:
1761 changed |= mesh_plink_open(sta);
1762 break;
1763 case NL80211_PLINK_ACTION_BLOCK:
1764 changed |= mesh_plink_block(sta);
1765 break;
1766 }
1767
1768 if (params->local_pm)
1769 changed |= ieee80211_mps_set_sta_local_pm(sta,
1770 pm: params->local_pm);
1771
1772 ieee80211_mbss_info_change_notify(sdata, changed);
1773#endif
1774}
1775
1776static int sta_link_apply_parameters(struct ieee80211_local *local,
1777 struct sta_info *sta, bool new_link,
1778 struct link_station_parameters *params)
1779{
1780 int ret = 0;
1781 struct ieee80211_supported_band *sband;
1782 struct ieee80211_sub_if_data *sdata = sta->sdata;
1783 u32 link_id = params->link_id < 0 ? 0 : params->link_id;
1784 struct ieee80211_link_data *link =
1785 sdata_dereference(sdata->link[link_id], sdata);
1786 struct link_sta_info *link_sta =
1787 rcu_dereference_protected(sta->link[link_id],
1788 lockdep_is_held(&local->hw.wiphy->mtx));
1789
1790 /*
1791 * If there are no changes, then accept a link that doesn't exist,
1792 * unless it's a new link.
1793 */
1794 if (params->link_id < 0 && !new_link &&
1795 !params->link_mac && !params->txpwr_set &&
1796 !params->supported_rates_len &&
1797 !params->ht_capa && !params->vht_capa &&
1798 !params->he_capa && !params->eht_capa &&
1799 !params->opmode_notif_used)
1800 return 0;
1801
1802 if (!link || !link_sta)
1803 return -EINVAL;
1804
1805 sband = ieee80211_get_link_sband(link);
1806 if (!sband)
1807 return -EINVAL;
1808
1809 if (params->link_mac) {
1810 if (new_link) {
1811 memcpy(link_sta->addr, params->link_mac, ETH_ALEN);
1812 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN);
1813 } else if (!ether_addr_equal(addr1: link_sta->addr,
1814 addr2: params->link_mac)) {
1815 return -EINVAL;
1816 }
1817 } else if (new_link) {
1818 return -EINVAL;
1819 }
1820
1821 if (params->txpwr_set) {
1822 link_sta->pub->txpwr.type = params->txpwr.type;
1823 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1824 link_sta->pub->txpwr.power = params->txpwr.power;
1825 ret = drv_sta_set_txpwr(local, sdata, sta);
1826 if (ret)
1827 return ret;
1828 }
1829
1830 if (params->supported_rates &&
1831 params->supported_rates_len) {
1832 ieee80211_parse_bitrates(width: link->conf->chandef.width,
1833 sband, srates: params->supported_rates,
1834 srates_len: params->supported_rates_len,
1835 rates: &link_sta->pub->supp_rates[sband->band]);
1836 }
1837
1838 if (params->ht_capa)
1839 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1840 ht_cap_ie: params->ht_capa, link_sta);
1841
1842 /* VHT can override some HT caps such as the A-MSDU max length */
1843 if (params->vht_capa)
1844 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1845 vht_cap_ie: params->vht_capa, NULL,
1846 link_sta);
1847
1848 if (params->he_capa)
1849 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1850 he_cap_ie: (void *)params->he_capa,
1851 he_cap_len: params->he_capa_len,
1852 he_6ghz_capa: (void *)params->he_6ghz_capa,
1853 link_sta);
1854
1855 if (params->he_capa && params->eht_capa)
1856 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
1857 he_cap_ie: (u8 *)params->he_capa,
1858 he_cap_len: params->he_capa_len,
1859 eht_cap_ie_elem: params->eht_capa,
1860 eht_cap_len: params->eht_capa_len,
1861 link_sta);
1862
1863 if (params->opmode_notif_used) {
1864 /* returned value is only needed for rc update, but the
1865 * rc isn't initialized here yet, so ignore it
1866 */
1867 __ieee80211_vht_handle_opmode(sdata, sta: link_sta,
1868 opmode: params->opmode_notif,
1869 band: sband->band);
1870 }
1871
1872 return ret;
1873}
1874
1875static int sta_apply_parameters(struct ieee80211_local *local,
1876 struct sta_info *sta,
1877 struct station_parameters *params)
1878{
1879 struct ieee80211_sub_if_data *sdata = sta->sdata;
1880 u32 mask, set;
1881 int ret = 0;
1882
1883 mask = params->sta_flags_mask;
1884 set = params->sta_flags_set;
1885
1886 if (ieee80211_vif_is_mesh(vif: &sdata->vif)) {
1887 /*
1888 * In mesh mode, ASSOCIATED isn't part of the nl80211
1889 * API but must follow AUTHENTICATED for driver state.
1890 */
1891 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1892 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1893 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1894 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1895 } else if (test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER)) {
1896 /*
1897 * TDLS -- everything follows authorized, but
1898 * only becoming authorized is possible, not
1899 * going back
1900 */
1901 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1902 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1903 BIT(NL80211_STA_FLAG_ASSOCIATED);
1904 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1905 BIT(NL80211_STA_FLAG_ASSOCIATED);
1906 }
1907 }
1908
1909 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1910 local->hw.queues >= IEEE80211_NUM_ACS)
1911 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1912
1913 /* auth flags will be set later for TDLS,
1914 * and for unassociated stations that move to associated */
1915 if (!test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) &&
1916 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1917 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1918 ret = sta_apply_auth_flags(local, sta, mask, set);
1919 if (ret)
1920 return ret;
1921 }
1922
1923 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1924 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1925 set_sta_flag(sta, flag: WLAN_STA_SHORT_PREAMBLE);
1926 else
1927 clear_sta_flag(sta, flag: WLAN_STA_SHORT_PREAMBLE);
1928 }
1929
1930 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1931 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1932 if (set & BIT(NL80211_STA_FLAG_MFP))
1933 set_sta_flag(sta, flag: WLAN_STA_MFP);
1934 else
1935 clear_sta_flag(sta, flag: WLAN_STA_MFP);
1936 }
1937
1938 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1939 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1940 set_sta_flag(sta, flag: WLAN_STA_TDLS_PEER);
1941 else
1942 clear_sta_flag(sta, flag: WLAN_STA_TDLS_PEER);
1943 }
1944
1945 /* mark TDLS channel switch support, if the AP allows it */
1946 if (test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) &&
1947 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited &&
1948 params->ext_capab_len >= 4 &&
1949 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1950 set_sta_flag(sta, flag: WLAN_STA_TDLS_CHAN_SWITCH);
1951
1952 if (test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) &&
1953 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1954 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1955 params->ext_capab_len >= 8 &&
1956 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1957 set_sta_flag(sta, flag: WLAN_STA_TDLS_WIDER_BW);
1958
1959 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1960 sta->sta.uapsd_queues = params->uapsd_queues;
1961 sta->sta.max_sp = params->max_sp;
1962 }
1963
1964 ieee80211_sta_set_max_amsdu_subframes(sta, ext_capab: params->ext_capab,
1965 ext_capab_len: params->ext_capab_len);
1966
1967 /*
1968 * cfg80211 validates this (1-2007) and allows setting the AID
1969 * only when creating a new station entry
1970 */
1971 if (params->aid)
1972 sta->sta.aid = params->aid;
1973
1974 /*
1975 * Some of the following updates would be racy if called on an
1976 * existing station, via ieee80211_change_station(). However,
1977 * all such changes are rejected by cfg80211 except for updates
1978 * changing the supported rates on an existing but not yet used
1979 * TDLS peer.
1980 */
1981
1982 if (params->listen_interval >= 0)
1983 sta->listen_interval = params->listen_interval;
1984
1985 ret = sta_link_apply_parameters(local, sta, new_link: false,
1986 params: &params->link_sta_params);
1987 if (ret)
1988 return ret;
1989
1990 if (params->support_p2p_ps >= 0)
1991 sta->sta.support_p2p_ps = params->support_p2p_ps;
1992
1993 if (ieee80211_vif_is_mesh(vif: &sdata->vif))
1994 sta_apply_mesh_params(local, sta, params);
1995
1996 if (params->airtime_weight)
1997 sta->airtime_weight = params->airtime_weight;
1998
1999 /* set the STA state after all sta info from usermode has been set */
2000 if (test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) ||
2001 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
2002 ret = sta_apply_auth_flags(local, sta, mask, set);
2003 if (ret)
2004 return ret;
2005 }
2006
2007 /* Mark the STA as MLO if MLD MAC address is available */
2008 if (params->link_sta_params.mld_mac)
2009 sta->sta.mlo = true;
2010
2011 return 0;
2012}
2013
2014static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
2015 const u8 *mac,
2016 struct station_parameters *params)
2017{
2018 struct ieee80211_local *local = wiphy_priv(wiphy);
2019 struct sta_info *sta;
2020 struct ieee80211_sub_if_data *sdata;
2021 int err;
2022
2023 lockdep_assert_wiphy(local->hw.wiphy);
2024
2025 if (params->vlan) {
2026 sdata = IEEE80211_DEV_TO_SUB_IF(dev: params->vlan);
2027
2028 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
2029 sdata->vif.type != NL80211_IFTYPE_AP)
2030 return -EINVAL;
2031 } else
2032 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2033
2034 if (ether_addr_equal(addr1: mac, addr2: sdata->vif.addr))
2035 return -EINVAL;
2036
2037 if (!is_valid_ether_addr(addr: mac))
2038 return -EINVAL;
2039
2040 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
2041 sdata->vif.type == NL80211_IFTYPE_STATION &&
2042 !sdata->u.mgd.associated)
2043 return -EINVAL;
2044
2045 /*
2046 * If we have a link ID, it can be a non-MLO station on an AP MLD,
2047 * but we need to have a link_mac in that case as well, so use the
2048 * STA's MAC address in that case.
2049 */
2050 if (params->link_sta_params.link_id >= 0)
2051 sta = sta_info_alloc_with_link(sdata, mld_addr: mac,
2052 link_id: params->link_sta_params.link_id,
2053 link_addr: params->link_sta_params.link_mac ?: mac,
2054 GFP_KERNEL);
2055 else
2056 sta = sta_info_alloc(sdata, addr: mac, GFP_KERNEL);
2057
2058 if (!sta)
2059 return -ENOMEM;
2060
2061 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2062 sta->sta.tdls = true;
2063
2064 /* Though the mutex is not needed here (since the station is not
2065 * visible yet), sta_apply_parameters (and inner functions) require
2066 * the mutex due to other paths.
2067 */
2068 err = sta_apply_parameters(local, sta, params);
2069 if (err) {
2070 sta_info_free(local, sta);
2071 return err;
2072 }
2073
2074 /*
2075 * for TDLS and for unassociated station, rate control should be
2076 * initialized only when rates are known and station is marked
2077 * authorized/associated
2078 */
2079 if (!test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) &&
2080 test_sta_flag(sta, flag: WLAN_STA_ASSOC))
2081 rate_control_rate_init(sta);
2082
2083 return sta_info_insert(sta);
2084}
2085
2086static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
2087 struct station_del_parameters *params)
2088{
2089 struct ieee80211_sub_if_data *sdata;
2090
2091 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2092
2093 if (params->mac)
2094 return sta_info_destroy_addr_bss(sdata, addr: params->mac);
2095
2096 sta_info_flush(sdata);
2097 return 0;
2098}
2099
2100static int ieee80211_change_station(struct wiphy *wiphy,
2101 struct net_device *dev, const u8 *mac,
2102 struct station_parameters *params)
2103{
2104 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2105 struct ieee80211_local *local = wiphy_priv(wiphy);
2106 struct sta_info *sta;
2107 struct ieee80211_sub_if_data *vlansdata;
2108 enum cfg80211_station_type statype;
2109 int err;
2110
2111 lockdep_assert_wiphy(local->hw.wiphy);
2112
2113 sta = sta_info_get_bss(sdata, addr: mac);
2114 if (!sta)
2115 return -ENOENT;
2116
2117 switch (sdata->vif.type) {
2118 case NL80211_IFTYPE_MESH_POINT:
2119 if (sdata->u.mesh.user_mpm)
2120 statype = CFG80211_STA_MESH_PEER_USER;
2121 else
2122 statype = CFG80211_STA_MESH_PEER_KERNEL;
2123 break;
2124 case NL80211_IFTYPE_ADHOC:
2125 statype = CFG80211_STA_IBSS;
2126 break;
2127 case NL80211_IFTYPE_STATION:
2128 if (!test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER)) {
2129 statype = CFG80211_STA_AP_STA;
2130 break;
2131 }
2132 if (test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED))
2133 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
2134 else
2135 statype = CFG80211_STA_TDLS_PEER_SETUP;
2136 break;
2137 case NL80211_IFTYPE_AP:
2138 case NL80211_IFTYPE_AP_VLAN:
2139 if (test_sta_flag(sta, flag: WLAN_STA_ASSOC))
2140 statype = CFG80211_STA_AP_CLIENT;
2141 else
2142 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
2143 break;
2144 default:
2145 return -EOPNOTSUPP;
2146 }
2147
2148 err = cfg80211_check_station_change(wiphy, params, statype);
2149 if (err)
2150 return err;
2151
2152 if (params->vlan && params->vlan != sta->sdata->dev) {
2153 vlansdata = IEEE80211_DEV_TO_SUB_IF(dev: params->vlan);
2154
2155 if (params->vlan->ieee80211_ptr->use_4addr) {
2156 if (vlansdata->u.vlan.sta)
2157 return -EBUSY;
2158
2159 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
2160 __ieee80211_check_fast_rx_iface(sdata: vlansdata);
2161 drv_sta_set_4addr(local, sdata: sta->sdata, sta: &sta->sta, enabled: true);
2162 }
2163
2164 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
2165 sta->sdata->u.vlan.sta) {
2166 ieee80211_clear_fast_rx(sta);
2167 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
2168 }
2169
2170 if (test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED))
2171 ieee80211_vif_dec_num_mcast(sdata: sta->sdata);
2172
2173 sta->sdata = vlansdata;
2174 ieee80211_check_fast_xmit(sta);
2175
2176 if (test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED)) {
2177 ieee80211_vif_inc_num_mcast(sdata: sta->sdata);
2178 cfg80211_send_layer2_update(dev: sta->sdata->dev,
2179 addr: sta->sta.addr);
2180 }
2181 }
2182
2183 err = sta_apply_parameters(local, sta, params);
2184 if (err)
2185 return err;
2186
2187 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
2188 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2189 ieee80211_recalc_ps(local);
2190 ieee80211_recalc_ps_vif(sdata);
2191 }
2192
2193 return 0;
2194}
2195
2196#ifdef CONFIG_MAC80211_MESH
2197static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
2198 const u8 *dst, const u8 *next_hop)
2199{
2200 struct ieee80211_sub_if_data *sdata;
2201 struct mesh_path *mpath;
2202 struct sta_info *sta;
2203
2204 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2205
2206 rcu_read_lock();
2207 sta = sta_info_get(sdata, addr: next_hop);
2208 if (!sta) {
2209 rcu_read_unlock();
2210 return -ENOENT;
2211 }
2212
2213 mpath = mesh_path_add(sdata, dst);
2214 if (IS_ERR(ptr: mpath)) {
2215 rcu_read_unlock();
2216 return PTR_ERR(ptr: mpath);
2217 }
2218
2219 mesh_path_fix_nexthop(mpath, next_hop: sta);
2220
2221 rcu_read_unlock();
2222 return 0;
2223}
2224
2225static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
2226 const u8 *dst)
2227{
2228 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2229
2230 if (dst)
2231 return mesh_path_del(sdata, addr: dst);
2232
2233 mesh_path_flush_by_iface(sdata);
2234 return 0;
2235}
2236
2237static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
2238 const u8 *dst, const u8 *next_hop)
2239{
2240 struct ieee80211_sub_if_data *sdata;
2241 struct mesh_path *mpath;
2242 struct sta_info *sta;
2243
2244 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2245
2246 rcu_read_lock();
2247
2248 sta = sta_info_get(sdata, addr: next_hop);
2249 if (!sta) {
2250 rcu_read_unlock();
2251 return -ENOENT;
2252 }
2253
2254 mpath = mesh_path_lookup(sdata, dst);
2255 if (!mpath) {
2256 rcu_read_unlock();
2257 return -ENOENT;
2258 }
2259
2260 mesh_path_fix_nexthop(mpath, next_hop: sta);
2261
2262 rcu_read_unlock();
2263 return 0;
2264}
2265
2266static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
2267 struct mpath_info *pinfo)
2268{
2269 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
2270
2271 if (next_hop_sta)
2272 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
2273 else
2274 eth_zero_addr(addr: next_hop);
2275
2276 memset(pinfo, 0, sizeof(*pinfo));
2277
2278 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
2279
2280 pinfo->filled = MPATH_INFO_FRAME_QLEN |
2281 MPATH_INFO_SN |
2282 MPATH_INFO_METRIC |
2283 MPATH_INFO_EXPTIME |
2284 MPATH_INFO_DISCOVERY_TIMEOUT |
2285 MPATH_INFO_DISCOVERY_RETRIES |
2286 MPATH_INFO_FLAGS |
2287 MPATH_INFO_HOP_COUNT |
2288 MPATH_INFO_PATH_CHANGE;
2289
2290 pinfo->frame_qlen = mpath->frame_queue.qlen;
2291 pinfo->sn = mpath->sn;
2292 pinfo->metric = mpath->metric;
2293 if (time_before(jiffies, mpath->exp_time))
2294 pinfo->exptime = jiffies_to_msecs(j: mpath->exp_time - jiffies);
2295 pinfo->discovery_timeout =
2296 jiffies_to_msecs(j: mpath->discovery_timeout);
2297 pinfo->discovery_retries = mpath->discovery_retries;
2298 if (mpath->flags & MESH_PATH_ACTIVE)
2299 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
2300 if (mpath->flags & MESH_PATH_RESOLVING)
2301 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
2302 if (mpath->flags & MESH_PATH_SN_VALID)
2303 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
2304 if (mpath->flags & MESH_PATH_FIXED)
2305 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
2306 if (mpath->flags & MESH_PATH_RESOLVED)
2307 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
2308 pinfo->hop_count = mpath->hop_count;
2309 pinfo->path_change_count = mpath->path_change_count;
2310}
2311
2312static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
2313 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
2314
2315{
2316 struct ieee80211_sub_if_data *sdata;
2317 struct mesh_path *mpath;
2318
2319 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2320
2321 rcu_read_lock();
2322 mpath = mesh_path_lookup(sdata, dst);
2323 if (!mpath) {
2324 rcu_read_unlock();
2325 return -ENOENT;
2326 }
2327 memcpy(dst, mpath->dst, ETH_ALEN);
2328 mpath_set_pinfo(mpath, next_hop, pinfo);
2329 rcu_read_unlock();
2330 return 0;
2331}
2332
2333static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
2334 int idx, u8 *dst, u8 *next_hop,
2335 struct mpath_info *pinfo)
2336{
2337 struct ieee80211_sub_if_data *sdata;
2338 struct mesh_path *mpath;
2339
2340 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2341
2342 rcu_read_lock();
2343 mpath = mesh_path_lookup_by_idx(sdata, idx);
2344 if (!mpath) {
2345 rcu_read_unlock();
2346 return -ENOENT;
2347 }
2348 memcpy(dst, mpath->dst, ETH_ALEN);
2349 mpath_set_pinfo(mpath, next_hop, pinfo);
2350 rcu_read_unlock();
2351 return 0;
2352}
2353
2354static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2355 struct mpath_info *pinfo)
2356{
2357 memset(pinfo, 0, sizeof(*pinfo));
2358 memcpy(mpp, mpath->mpp, ETH_ALEN);
2359
2360 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2361}
2362
2363static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2364 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2365
2366{
2367 struct ieee80211_sub_if_data *sdata;
2368 struct mesh_path *mpath;
2369
2370 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2371
2372 rcu_read_lock();
2373 mpath = mpp_path_lookup(sdata, dst);
2374 if (!mpath) {
2375 rcu_read_unlock();
2376 return -ENOENT;
2377 }
2378 memcpy(dst, mpath->dst, ETH_ALEN);
2379 mpp_set_pinfo(mpath, mpp, pinfo);
2380 rcu_read_unlock();
2381 return 0;
2382}
2383
2384static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2385 int idx, u8 *dst, u8 *mpp,
2386 struct mpath_info *pinfo)
2387{
2388 struct ieee80211_sub_if_data *sdata;
2389 struct mesh_path *mpath;
2390
2391 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2392
2393 rcu_read_lock();
2394 mpath = mpp_path_lookup_by_idx(sdata, idx);
2395 if (!mpath) {
2396 rcu_read_unlock();
2397 return -ENOENT;
2398 }
2399 memcpy(dst, mpath->dst, ETH_ALEN);
2400 mpp_set_pinfo(mpath, mpp, pinfo);
2401 rcu_read_unlock();
2402 return 0;
2403}
2404
2405static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2406 struct net_device *dev,
2407 struct mesh_config *conf)
2408{
2409 struct ieee80211_sub_if_data *sdata;
2410 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2411
2412 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2413 return 0;
2414}
2415
2416static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2417{
2418 return (mask >> (parm-1)) & 0x1;
2419}
2420
2421static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2422 const struct mesh_setup *setup)
2423{
2424 u8 *new_ie;
2425 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2426 struct ieee80211_sub_if_data, u.mesh);
2427 int i;
2428
2429 /* allocate information elements */
2430 new_ie = NULL;
2431
2432 if (setup->ie_len) {
2433 new_ie = kmemdup(p: setup->ie, size: setup->ie_len,
2434 GFP_KERNEL);
2435 if (!new_ie)
2436 return -ENOMEM;
2437 }
2438 ifmsh->ie_len = setup->ie_len;
2439 ifmsh->ie = new_ie;
2440
2441 /* now copy the rest of the setup parameters */
2442 ifmsh->mesh_id_len = setup->mesh_id_len;
2443 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2444 ifmsh->mesh_sp_id = setup->sync_method;
2445 ifmsh->mesh_pp_id = setup->path_sel_proto;
2446 ifmsh->mesh_pm_id = setup->path_metric;
2447 ifmsh->user_mpm = setup->user_mpm;
2448 ifmsh->mesh_auth_id = setup->auth_id;
2449 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2450 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2451 if (setup->is_authenticated)
2452 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2453 if (setup->is_secure)
2454 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2455
2456 /* mcast rate setting in Mesh Node */
2457 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2458 sizeof(setup->mcast_rate));
2459 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2460
2461 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2462 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2463
2464 sdata->beacon_rate_set = false;
2465 if (wiphy_ext_feature_isset(wiphy: sdata->local->hw.wiphy,
2466 ftidx: NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2467 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2468 sdata->beacon_rateidx_mask[i] =
2469 setup->beacon_rate.control[i].legacy;
2470 if (sdata->beacon_rateidx_mask[i])
2471 sdata->beacon_rate_set = true;
2472 }
2473 }
2474
2475 return 0;
2476}
2477
2478static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2479 struct net_device *dev, u32 mask,
2480 const struct mesh_config *nconf)
2481{
2482 struct mesh_config *conf;
2483 struct ieee80211_sub_if_data *sdata;
2484 struct ieee80211_if_mesh *ifmsh;
2485
2486 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2487 ifmsh = &sdata->u.mesh;
2488
2489 /* Set the config options which we are interested in setting */
2490 conf = &(sdata->u.mesh.mshcfg);
2491 if (_chg_mesh_attr(parm: NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2492 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2493 if (_chg_mesh_attr(parm: NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2494 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2495 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2496 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2497 if (_chg_mesh_attr(parm: NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2498 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2499 if (_chg_mesh_attr(parm: NL80211_MESHCONF_MAX_RETRIES, mask))
2500 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2501 if (_chg_mesh_attr(parm: NL80211_MESHCONF_TTL, mask))
2502 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2503 if (_chg_mesh_attr(parm: NL80211_MESHCONF_ELEMENT_TTL, mask))
2504 conf->element_ttl = nconf->element_ttl;
2505 if (_chg_mesh_attr(parm: NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2506 if (ifmsh->user_mpm)
2507 return -EBUSY;
2508 conf->auto_open_plinks = nconf->auto_open_plinks;
2509 }
2510 if (_chg_mesh_attr(parm: NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2511 conf->dot11MeshNbrOffsetMaxNeighbor =
2512 nconf->dot11MeshNbrOffsetMaxNeighbor;
2513 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2514 conf->dot11MeshHWMPmaxPREQretries =
2515 nconf->dot11MeshHWMPmaxPREQretries;
2516 if (_chg_mesh_attr(parm: NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2517 conf->path_refresh_time = nconf->path_refresh_time;
2518 if (_chg_mesh_attr(parm: NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2519 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2520 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2521 conf->dot11MeshHWMPactivePathTimeout =
2522 nconf->dot11MeshHWMPactivePathTimeout;
2523 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2524 conf->dot11MeshHWMPpreqMinInterval =
2525 nconf->dot11MeshHWMPpreqMinInterval;
2526 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2527 conf->dot11MeshHWMPperrMinInterval =
2528 nconf->dot11MeshHWMPperrMinInterval;
2529 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2530 mask))
2531 conf->dot11MeshHWMPnetDiameterTraversalTime =
2532 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2533 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2534 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2535 ieee80211_mesh_root_setup(ifmsh);
2536 }
2537 if (_chg_mesh_attr(parm: NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2538 /* our current gate announcement implementation rides on root
2539 * announcements, so require this ifmsh to also be a root node
2540 * */
2541 if (nconf->dot11MeshGateAnnouncementProtocol &&
2542 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2543 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2544 ieee80211_mesh_root_setup(ifmsh);
2545 }
2546 conf->dot11MeshGateAnnouncementProtocol =
2547 nconf->dot11MeshGateAnnouncementProtocol;
2548 }
2549 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2550 conf->dot11MeshHWMPRannInterval =
2551 nconf->dot11MeshHWMPRannInterval;
2552 if (_chg_mesh_attr(parm: NL80211_MESHCONF_FORWARDING, mask))
2553 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2554 if (_chg_mesh_attr(parm: NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2555 /* our RSSI threshold implementation is supported only for
2556 * devices that report signal in dBm.
2557 */
2558 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2559 return -ENOTSUPP;
2560 conf->rssi_threshold = nconf->rssi_threshold;
2561 }
2562 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HT_OPMODE, mask)) {
2563 conf->ht_opmode = nconf->ht_opmode;
2564 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2565 ieee80211_link_info_change_notify(sdata, link: &sdata->deflink,
2566 changed: BSS_CHANGED_HT);
2567 }
2568 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2569 conf->dot11MeshHWMPactivePathToRootTimeout =
2570 nconf->dot11MeshHWMPactivePathToRootTimeout;
2571 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2572 conf->dot11MeshHWMProotInterval =
2573 nconf->dot11MeshHWMProotInterval;
2574 if (_chg_mesh_attr(parm: NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2575 conf->dot11MeshHWMPconfirmationInterval =
2576 nconf->dot11MeshHWMPconfirmationInterval;
2577 if (_chg_mesh_attr(parm: NL80211_MESHCONF_POWER_MODE, mask)) {
2578 conf->power_mode = nconf->power_mode;
2579 ieee80211_mps_local_status_update(sdata);
2580 }
2581 if (_chg_mesh_attr(parm: NL80211_MESHCONF_AWAKE_WINDOW, mask))
2582 conf->dot11MeshAwakeWindowDuration =
2583 nconf->dot11MeshAwakeWindowDuration;
2584 if (_chg_mesh_attr(parm: NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2585 conf->plink_timeout = nconf->plink_timeout;
2586 if (_chg_mesh_attr(parm: NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2587 conf->dot11MeshConnectedToMeshGate =
2588 nconf->dot11MeshConnectedToMeshGate;
2589 if (_chg_mesh_attr(parm: NL80211_MESHCONF_NOLEARN, mask))
2590 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2591 if (_chg_mesh_attr(parm: NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2592 conf->dot11MeshConnectedToAuthServer =
2593 nconf->dot11MeshConnectedToAuthServer;
2594 ieee80211_mbss_info_change_notify(sdata, changed: BSS_CHANGED_BEACON);
2595 return 0;
2596}
2597
2598static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2599 const struct mesh_config *conf,
2600 const struct mesh_setup *setup)
2601{
2602 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2603 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2604 int err;
2605
2606 lockdep_assert_wiphy(sdata->local->hw.wiphy);
2607
2608 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2609 err = copy_mesh_setup(ifmsh, setup);
2610 if (err)
2611 return err;
2612
2613 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2614
2615 /* can mesh use other SMPS modes? */
2616 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
2617 sdata->deflink.needed_rx_chains = sdata->local->rx_chains;
2618
2619 err = ieee80211_link_use_channel(link: &sdata->deflink, chandef: &setup->chandef,
2620 mode: IEEE80211_CHANCTX_SHARED);
2621 if (err)
2622 return err;
2623
2624 return ieee80211_start_mesh(sdata);
2625}
2626
2627static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2628{
2629 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2630
2631 lockdep_assert_wiphy(sdata->local->hw.wiphy);
2632
2633 ieee80211_stop_mesh(sdata);
2634 ieee80211_link_release_channel(link: &sdata->deflink);
2635 kfree(objp: sdata->u.mesh.ie);
2636
2637 return 0;
2638}
2639#endif
2640
2641static int ieee80211_change_bss(struct wiphy *wiphy,
2642 struct net_device *dev,
2643 struct bss_parameters *params)
2644{
2645 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2646 struct ieee80211_link_data *link;
2647 struct ieee80211_supported_band *sband;
2648 u64 changed = 0;
2649
2650 link = ieee80211_link_or_deflink(sdata, link_id: params->link_id, require_valid: true);
2651 if (IS_ERR(ptr: link))
2652 return PTR_ERR(ptr: link);
2653
2654 if (!sdata_dereference(link->u.ap.beacon, sdata))
2655 return -ENOENT;
2656
2657 sband = ieee80211_get_link_sband(link);
2658 if (!sband)
2659 return -EINVAL;
2660
2661 if (params->basic_rates) {
2662 if (!ieee80211_parse_bitrates(width: link->conf->chandef.width,
2663 sband: wiphy->bands[sband->band],
2664 srates: params->basic_rates,
2665 srates_len: params->basic_rates_len,
2666 rates: &link->conf->basic_rates))
2667 return -EINVAL;
2668 changed |= BSS_CHANGED_BASIC_RATES;
2669 ieee80211_check_rate_mask(link);
2670 }
2671
2672 if (params->use_cts_prot >= 0) {
2673 link->conf->use_cts_prot = params->use_cts_prot;
2674 changed |= BSS_CHANGED_ERP_CTS_PROT;
2675 }
2676 if (params->use_short_preamble >= 0) {
2677 link->conf->use_short_preamble = params->use_short_preamble;
2678 changed |= BSS_CHANGED_ERP_PREAMBLE;
2679 }
2680
2681 if (!link->conf->use_short_slot &&
2682 (sband->band == NL80211_BAND_5GHZ ||
2683 sband->band == NL80211_BAND_6GHZ)) {
2684 link->conf->use_short_slot = true;
2685 changed |= BSS_CHANGED_ERP_SLOT;
2686 }
2687
2688 if (params->use_short_slot_time >= 0) {
2689 link->conf->use_short_slot = params->use_short_slot_time;
2690 changed |= BSS_CHANGED_ERP_SLOT;
2691 }
2692
2693 if (params->ap_isolate >= 0) {
2694 if (params->ap_isolate)
2695 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2696 else
2697 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2698 ieee80211_check_fast_rx_iface(sdata);
2699 }
2700
2701 if (params->ht_opmode >= 0) {
2702 link->conf->ht_operation_mode = (u16)params->ht_opmode;
2703 changed |= BSS_CHANGED_HT;
2704 }
2705
2706 if (params->p2p_ctwindow >= 0) {
2707 link->conf->p2p_noa_attr.oppps_ctwindow &=
2708 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2709 link->conf->p2p_noa_attr.oppps_ctwindow |=
2710 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2711 changed |= BSS_CHANGED_P2P_PS;
2712 }
2713
2714 if (params->p2p_opp_ps > 0) {
2715 link->conf->p2p_noa_attr.oppps_ctwindow |=
2716 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2717 changed |= BSS_CHANGED_P2P_PS;
2718 } else if (params->p2p_opp_ps == 0) {
2719 link->conf->p2p_noa_attr.oppps_ctwindow &=
2720 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2721 changed |= BSS_CHANGED_P2P_PS;
2722 }
2723
2724 ieee80211_link_info_change_notify(sdata, link, changed);
2725
2726 return 0;
2727}
2728
2729static int ieee80211_set_txq_params(struct wiphy *wiphy,
2730 struct net_device *dev,
2731 struct ieee80211_txq_params *params)
2732{
2733 struct ieee80211_local *local = wiphy_priv(wiphy);
2734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2735 struct ieee80211_link_data *link =
2736 ieee80211_link_or_deflink(sdata, link_id: params->link_id, require_valid: true);
2737 struct ieee80211_tx_queue_params p;
2738
2739 if (!local->ops->conf_tx)
2740 return -EOPNOTSUPP;
2741
2742 if (local->hw.queues < IEEE80211_NUM_ACS)
2743 return -EOPNOTSUPP;
2744
2745 if (IS_ERR(ptr: link))
2746 return PTR_ERR(ptr: link);
2747
2748 memset(&p, 0, sizeof(p));
2749 p.aifs = params->aifs;
2750 p.cw_max = params->cwmax;
2751 p.cw_min = params->cwmin;
2752 p.txop = params->txop;
2753
2754 /*
2755 * Setting tx queue params disables u-apsd because it's only
2756 * called in master mode.
2757 */
2758 p.uapsd = false;
2759
2760 ieee80211_regulatory_limit_wmm_params(sdata, qparam: &p, ac: params->ac);
2761
2762 link->tx_conf[params->ac] = p;
2763 if (drv_conf_tx(local, link, ac: params->ac, params: &p)) {
2764 wiphy_debug(local->hw.wiphy,
2765 "failed to set TX queue parameters for AC %d\n",
2766 params->ac);
2767 return -EINVAL;
2768 }
2769
2770 ieee80211_link_info_change_notify(sdata, link,
2771 changed: BSS_CHANGED_QOS);
2772
2773 return 0;
2774}
2775
2776#ifdef CONFIG_PM
2777static int ieee80211_suspend(struct wiphy *wiphy,
2778 struct cfg80211_wowlan *wowlan)
2779{
2780 return __ieee80211_suspend(hw: wiphy_priv(wiphy), wowlan);
2781}
2782
2783static int ieee80211_resume(struct wiphy *wiphy)
2784{
2785 return __ieee80211_resume(hw: wiphy_priv(wiphy));
2786}
2787#else
2788#define ieee80211_suspend NULL
2789#define ieee80211_resume NULL
2790#endif
2791
2792static int ieee80211_scan(struct wiphy *wiphy,
2793 struct cfg80211_scan_request *req)
2794{
2795 struct ieee80211_sub_if_data *sdata;
2796
2797 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev: req->wdev);
2798
2799 switch (ieee80211_vif_type_p2p(vif: &sdata->vif)) {
2800 case NL80211_IFTYPE_STATION:
2801 case NL80211_IFTYPE_ADHOC:
2802 case NL80211_IFTYPE_MESH_POINT:
2803 case NL80211_IFTYPE_P2P_CLIENT:
2804 case NL80211_IFTYPE_P2P_DEVICE:
2805 break;
2806 case NL80211_IFTYPE_P2P_GO:
2807 if (sdata->local->ops->hw_scan)
2808 break;
2809 /*
2810 * FIXME: implement NoA while scanning in software,
2811 * for now fall through to allow scanning only when
2812 * beaconing hasn't been configured yet
2813 */
2814 fallthrough;
2815 case NL80211_IFTYPE_AP:
2816 /*
2817 * If the scan has been forced (and the driver supports
2818 * forcing), don't care about being beaconing already.
2819 * This will create problems to the attached stations (e.g. all
2820 * the frames sent while scanning on other channel will be
2821 * lost)
2822 */
2823 if (sdata->deflink.u.ap.beacon &&
2824 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2825 !(req->flags & NL80211_SCAN_FLAG_AP)))
2826 return -EOPNOTSUPP;
2827 break;
2828 case NL80211_IFTYPE_NAN:
2829 default:
2830 return -EOPNOTSUPP;
2831 }
2832
2833 return ieee80211_request_scan(sdata, req);
2834}
2835
2836static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2837{
2838 ieee80211_scan_cancel(local: wiphy_priv(wiphy));
2839}
2840
2841static int
2842ieee80211_sched_scan_start(struct wiphy *wiphy,
2843 struct net_device *dev,
2844 struct cfg80211_sched_scan_request *req)
2845{
2846 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2847
2848 if (!sdata->local->ops->sched_scan_start)
2849 return -EOPNOTSUPP;
2850
2851 return ieee80211_request_sched_scan_start(sdata, req);
2852}
2853
2854static int
2855ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2856 u64 reqid)
2857{
2858 struct ieee80211_local *local = wiphy_priv(wiphy);
2859
2860 if (!local->ops->sched_scan_stop)
2861 return -EOPNOTSUPP;
2862
2863 return ieee80211_request_sched_scan_stop(local);
2864}
2865
2866static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2867 struct cfg80211_auth_request *req)
2868{
2869 return ieee80211_mgd_auth(sdata: IEEE80211_DEV_TO_SUB_IF(dev), req);
2870}
2871
2872static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2873 struct cfg80211_assoc_request *req)
2874{
2875 return ieee80211_mgd_assoc(sdata: IEEE80211_DEV_TO_SUB_IF(dev), req);
2876}
2877
2878static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2879 struct cfg80211_deauth_request *req)
2880{
2881 return ieee80211_mgd_deauth(sdata: IEEE80211_DEV_TO_SUB_IF(dev), req);
2882}
2883
2884static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2885 struct cfg80211_disassoc_request *req)
2886{
2887 return ieee80211_mgd_disassoc(sdata: IEEE80211_DEV_TO_SUB_IF(dev), req);
2888}
2889
2890static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2891 struct cfg80211_ibss_params *params)
2892{
2893 return ieee80211_ibss_join(sdata: IEEE80211_DEV_TO_SUB_IF(dev), params);
2894}
2895
2896static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2897{
2898 return ieee80211_ibss_leave(sdata: IEEE80211_DEV_TO_SUB_IF(dev));
2899}
2900
2901static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2902 struct ocb_setup *setup)
2903{
2904 return ieee80211_ocb_join(sdata: IEEE80211_DEV_TO_SUB_IF(dev), setup);
2905}
2906
2907static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2908{
2909 return ieee80211_ocb_leave(sdata: IEEE80211_DEV_TO_SUB_IF(dev));
2910}
2911
2912static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2913 int rate[NUM_NL80211_BANDS])
2914{
2915 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2916
2917 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2918 sizeof(int) * NUM_NL80211_BANDS);
2919
2920 ieee80211_link_info_change_notify(sdata, link: &sdata->deflink,
2921 changed: BSS_CHANGED_MCAST_RATE);
2922
2923 return 0;
2924}
2925
2926static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2927{
2928 struct ieee80211_local *local = wiphy_priv(wiphy);
2929 int err;
2930
2931 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2932 ieee80211_check_fast_xmit_all(local);
2933
2934 err = drv_set_frag_threshold(local, value: wiphy->frag_threshold);
2935
2936 if (err) {
2937 ieee80211_check_fast_xmit_all(local);
2938 return err;
2939 }
2940 }
2941
2942 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2943 (changed & WIPHY_PARAM_DYN_ACK)) {
2944 s16 coverage_class;
2945
2946 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2947 wiphy->coverage_class : -1;
2948 err = drv_set_coverage_class(local, value: coverage_class);
2949
2950 if (err)
2951 return err;
2952 }
2953
2954 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2955 err = drv_set_rts_threshold(local, value: wiphy->rts_threshold);
2956
2957 if (err)
2958 return err;
2959 }
2960
2961 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2962 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2963 return -EINVAL;
2964 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2965 }
2966 if (changed & WIPHY_PARAM_RETRY_LONG) {
2967 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2968 return -EINVAL;
2969 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2970 }
2971 if (changed &
2972 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2973 ieee80211_hw_config(local, changed: IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2974
2975 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2976 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2977 WIPHY_PARAM_TXQ_QUANTUM))
2978 ieee80211_txq_set_params(local);
2979
2980 return 0;
2981}
2982
2983static int ieee80211_set_tx_power(struct wiphy *wiphy,
2984 struct wireless_dev *wdev,
2985 enum nl80211_tx_power_setting type, int mbm)
2986{
2987 struct ieee80211_local *local = wiphy_priv(wiphy);
2988 struct ieee80211_sub_if_data *sdata;
2989 enum nl80211_tx_power_setting txp_type = type;
2990 bool update_txp_type = false;
2991 bool has_monitor = false;
2992
2993 lockdep_assert_wiphy(local->hw.wiphy);
2994
2995 if (wdev) {
2996 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2997
2998 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2999 sdata = wiphy_dereference(local->hw.wiphy,
3000 local->monitor_sdata);
3001 if (!sdata)
3002 return -EOPNOTSUPP;
3003 }
3004
3005 switch (type) {
3006 case NL80211_TX_POWER_AUTOMATIC:
3007 sdata->deflink.user_power_level =
3008 IEEE80211_UNSET_POWER_LEVEL;
3009 txp_type = NL80211_TX_POWER_LIMITED;
3010 break;
3011 case NL80211_TX_POWER_LIMITED:
3012 case NL80211_TX_POWER_FIXED:
3013 if (mbm < 0 || (mbm % 100))
3014 return -EOPNOTSUPP;
3015 sdata->deflink.user_power_level = MBM_TO_DBM(mbm);
3016 break;
3017 }
3018
3019 if (txp_type != sdata->vif.bss_conf.txpower_type) {
3020 update_txp_type = true;
3021 sdata->vif.bss_conf.txpower_type = txp_type;
3022 }
3023
3024 ieee80211_recalc_txpower(sdata, update_bss: update_txp_type);
3025
3026 return 0;
3027 }
3028
3029 switch (type) {
3030 case NL80211_TX_POWER_AUTOMATIC:
3031 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
3032 txp_type = NL80211_TX_POWER_LIMITED;
3033 break;
3034 case NL80211_TX_POWER_LIMITED:
3035 case NL80211_TX_POWER_FIXED:
3036 if (mbm < 0 || (mbm % 100))
3037 return -EOPNOTSUPP;
3038 local->user_power_level = MBM_TO_DBM(mbm);
3039 break;
3040 }
3041
3042 list_for_each_entry(sdata, &local->interfaces, list) {
3043 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3044 has_monitor = true;
3045 continue;
3046 }
3047 sdata->deflink.user_power_level = local->user_power_level;
3048 if (txp_type != sdata->vif.bss_conf.txpower_type)
3049 update_txp_type = true;
3050 sdata->vif.bss_conf.txpower_type = txp_type;
3051 }
3052 list_for_each_entry(sdata, &local->interfaces, list) {
3053 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
3054 continue;
3055 ieee80211_recalc_txpower(sdata, update_bss: update_txp_type);
3056 }
3057
3058 if (has_monitor) {
3059 sdata = wiphy_dereference(local->hw.wiphy,
3060 local->monitor_sdata);
3061 if (sdata) {
3062 sdata->deflink.user_power_level = local->user_power_level;
3063 if (txp_type != sdata->vif.bss_conf.txpower_type)
3064 update_txp_type = true;
3065 sdata->vif.bss_conf.txpower_type = txp_type;
3066
3067 ieee80211_recalc_txpower(sdata, update_bss: update_txp_type);
3068 }
3069 }
3070
3071 return 0;
3072}
3073
3074static int ieee80211_get_tx_power(struct wiphy *wiphy,
3075 struct wireless_dev *wdev,
3076 int *dbm)
3077{
3078 struct ieee80211_local *local = wiphy_priv(wiphy);
3079 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3080
3081 if (local->ops->get_txpower)
3082 return drv_get_txpower(local, sdata, dbm);
3083
3084 if (!local->use_chanctx)
3085 *dbm = local->hw.conf.power_level;
3086 else
3087 *dbm = sdata->vif.bss_conf.txpower;
3088
3089 /* INT_MIN indicates no power level was set yet */
3090 if (*dbm == INT_MIN)
3091 return -EINVAL;
3092
3093 return 0;
3094}
3095
3096static void ieee80211_rfkill_poll(struct wiphy *wiphy)
3097{
3098 struct ieee80211_local *local = wiphy_priv(wiphy);
3099
3100 drv_rfkill_poll(local);
3101}
3102
3103#ifdef CONFIG_NL80211_TESTMODE
3104static int ieee80211_testmode_cmd(struct wiphy *wiphy,
3105 struct wireless_dev *wdev,
3106 void *data, int len)
3107{
3108 struct ieee80211_local *local = wiphy_priv(wiphy);
3109 struct ieee80211_vif *vif = NULL;
3110
3111 if (!local->ops->testmode_cmd)
3112 return -EOPNOTSUPP;
3113
3114 if (wdev) {
3115 struct ieee80211_sub_if_data *sdata;
3116
3117 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3118 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
3119 vif = &sdata->vif;
3120 }
3121
3122 return local->ops->testmode_cmd(&local->hw, vif, data, len);
3123}
3124
3125static int ieee80211_testmode_dump(struct wiphy *wiphy,
3126 struct sk_buff *skb,
3127 struct netlink_callback *cb,
3128 void *data, int len)
3129{
3130 struct ieee80211_local *local = wiphy_priv(wiphy);
3131
3132 if (!local->ops->testmode_dump)
3133 return -EOPNOTSUPP;
3134
3135 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
3136}
3137#endif
3138
3139int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
3140 struct ieee80211_link_data *link,
3141 enum ieee80211_smps_mode smps_mode)
3142{
3143 const u8 *ap;
3144 enum ieee80211_smps_mode old_req;
3145 int err;
3146 struct sta_info *sta;
3147 bool tdls_peer_found = false;
3148
3149 lockdep_assert_wiphy(sdata->local->hw.wiphy);
3150
3151 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
3152 return -EINVAL;
3153
3154 if (ieee80211_vif_is_mld(vif: &sdata->vif) &&
3155 !(sdata->vif.active_links & BIT(link->link_id)))
3156 return 0;
3157
3158 old_req = link->u.mgd.req_smps;
3159 link->u.mgd.req_smps = smps_mode;
3160
3161 /* The driver indicated that EML is enabled for the interface, which
3162 * implies that SMPS flows towards the AP should be stopped.
3163 */
3164 if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE)
3165 return 0;
3166
3167 if (old_req == smps_mode &&
3168 smps_mode != IEEE80211_SMPS_AUTOMATIC)
3169 return 0;
3170
3171 /*
3172 * If not associated, or current association is not an HT
3173 * association, there's no need to do anything, just store
3174 * the new value until we associate.
3175 */
3176 if (!sdata->u.mgd.associated ||
3177 link->conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
3178 return 0;
3179
3180 ap = sdata->vif.cfg.ap_addr;
3181
3182 rcu_read_lock();
3183 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
3184 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
3185 !test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED))
3186 continue;
3187
3188 tdls_peer_found = true;
3189 break;
3190 }
3191 rcu_read_unlock();
3192
3193 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
3194 if (tdls_peer_found || !sdata->u.mgd.powersave)
3195 smps_mode = IEEE80211_SMPS_OFF;
3196 else
3197 smps_mode = IEEE80211_SMPS_DYNAMIC;
3198 }
3199
3200 /* send SM PS frame to AP */
3201 err = ieee80211_send_smps_action(sdata, smps: smps_mode,
3202 da: ap, bssid: ap,
3203 link_id: ieee80211_vif_is_mld(vif: &sdata->vif) ?
3204 link->link_id : -1);
3205 if (err)
3206 link->u.mgd.req_smps = old_req;
3207 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
3208 ieee80211_teardown_tdls_peers(sdata);
3209
3210 return err;
3211}
3212
3213static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
3214 bool enabled, int timeout)
3215{
3216 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3217 struct ieee80211_local *local = wdev_priv(wdev: dev->ieee80211_ptr);
3218 unsigned int link_id;
3219
3220 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3221 return -EOPNOTSUPP;
3222
3223 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
3224 return -EOPNOTSUPP;
3225
3226 if (enabled == sdata->u.mgd.powersave &&
3227 timeout == local->dynamic_ps_forced_timeout)
3228 return 0;
3229
3230 sdata->u.mgd.powersave = enabled;
3231 local->dynamic_ps_forced_timeout = timeout;
3232
3233 /* no change, but if automatic follow powersave */
3234 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {
3235 struct ieee80211_link_data *link;
3236
3237 link = sdata_dereference(sdata->link[link_id], sdata);
3238
3239 if (!link)
3240 continue;
3241 __ieee80211_request_smps_mgd(sdata, link,
3242 smps_mode: link->u.mgd.req_smps);
3243 }
3244
3245 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
3246 ieee80211_hw_config(local, changed: IEEE80211_CONF_CHANGE_PS);
3247
3248 ieee80211_recalc_ps(local);
3249 ieee80211_recalc_ps_vif(sdata);
3250 ieee80211_check_fast_rx_iface(sdata);
3251
3252 return 0;
3253}
3254
3255static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
3256 struct net_device *dev,
3257 s32 rssi_thold, u32 rssi_hyst)
3258{
3259 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3260 struct ieee80211_vif *vif = &sdata->vif;
3261 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
3262
3263 if (rssi_thold == bss_conf->cqm_rssi_thold &&
3264 rssi_hyst == bss_conf->cqm_rssi_hyst)
3265 return 0;
3266
3267 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
3268 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3269 return -EOPNOTSUPP;
3270
3271 bss_conf->cqm_rssi_thold = rssi_thold;
3272 bss_conf->cqm_rssi_hyst = rssi_hyst;
3273 bss_conf->cqm_rssi_low = 0;
3274 bss_conf->cqm_rssi_high = 0;
3275 sdata->deflink.u.mgd.last_cqm_event_signal = 0;
3276
3277 /* tell the driver upon association, unless already associated */
3278 if (sdata->u.mgd.associated &&
3279 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
3280 ieee80211_link_info_change_notify(sdata, link: &sdata->deflink,
3281 changed: BSS_CHANGED_CQM);
3282
3283 return 0;
3284}
3285
3286static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
3287 struct net_device *dev,
3288 s32 rssi_low, s32 rssi_high)
3289{
3290 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3291 struct ieee80211_vif *vif = &sdata->vif;
3292 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
3293
3294 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
3295 return -EOPNOTSUPP;
3296
3297 bss_conf->cqm_rssi_low = rssi_low;
3298 bss_conf->cqm_rssi_high = rssi_high;
3299 bss_conf->cqm_rssi_thold = 0;
3300 bss_conf->cqm_rssi_hyst = 0;
3301 sdata->deflink.u.mgd.last_cqm_event_signal = 0;
3302
3303 /* tell the driver upon association, unless already associated */
3304 if (sdata->u.mgd.associated &&
3305 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
3306 ieee80211_link_info_change_notify(sdata, link: &sdata->deflink,
3307 changed: BSS_CHANGED_CQM);
3308
3309 return 0;
3310}
3311
3312static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
3313 struct net_device *dev,
3314 unsigned int link_id,
3315 const u8 *addr,
3316 const struct cfg80211_bitrate_mask *mask)
3317{
3318 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3319 struct ieee80211_local *local = wdev_priv(wdev: dev->ieee80211_ptr);
3320 int i, ret;
3321
3322 if (!ieee80211_sdata_running(sdata))
3323 return -ENETDOWN;
3324
3325 /*
3326 * If active validate the setting and reject it if it doesn't leave
3327 * at least one basic rate usable, since we really have to be able
3328 * to send something, and if we're an AP we have to be able to do
3329 * so at a basic rate so that all clients can receive it.
3330 */
3331 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) &&
3332 sdata->vif.bss_conf.chandef.chan) {
3333 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
3334 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
3335
3336 if (!(mask->control[band].legacy & basic_rates))
3337 return -EINVAL;
3338 }
3339
3340 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
3341 ret = drv_set_bitrate_mask(local, sdata, mask);
3342 if (ret)
3343 return ret;
3344 }
3345
3346 for (i = 0; i < NUM_NL80211_BANDS; i++) {
3347 struct ieee80211_supported_band *sband = wiphy->bands[i];
3348 int j;
3349
3350 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
3351 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
3352 sizeof(mask->control[i].ht_mcs));
3353 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
3354 mask->control[i].vht_mcs,
3355 sizeof(mask->control[i].vht_mcs));
3356
3357 sdata->rc_has_mcs_mask[i] = false;
3358 sdata->rc_has_vht_mcs_mask[i] = false;
3359 if (!sband)
3360 continue;
3361
3362 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
3363 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
3364 sdata->rc_has_mcs_mask[i] = true;
3365 break;
3366 }
3367 }
3368
3369 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
3370 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
3371 sdata->rc_has_vht_mcs_mask[i] = true;
3372 break;
3373 }
3374 }
3375 }
3376
3377 return 0;
3378}
3379
3380static int ieee80211_start_radar_detection(struct wiphy *wiphy,
3381 struct net_device *dev,
3382 struct cfg80211_chan_def *chandef,
3383 u32 cac_time_ms)
3384{
3385 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3386 struct ieee80211_local *local = sdata->local;
3387 int err;
3388
3389 lockdep_assert_wiphy(local->hw.wiphy);
3390
3391 if (!list_empty(head: &local->roc_list) || local->scanning) {
3392 err = -EBUSY;
3393 goto out_unlock;
3394 }
3395
3396 /* whatever, but channel contexts should not complain about that one */
3397 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
3398 sdata->deflink.needed_rx_chains = local->rx_chains;
3399
3400 err = ieee80211_link_use_channel(link: &sdata->deflink, chandef,
3401 mode: IEEE80211_CHANCTX_SHARED);
3402 if (err)
3403 goto out_unlock;
3404
3405 wiphy_delayed_work_queue(wiphy, dwork: &sdata->deflink.dfs_cac_timer_work,
3406 delay: msecs_to_jiffies(m: cac_time_ms));
3407
3408 out_unlock:
3409 return err;
3410}
3411
3412static void ieee80211_end_cac(struct wiphy *wiphy,
3413 struct net_device *dev)
3414{
3415 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3416 struct ieee80211_local *local = sdata->local;
3417
3418 lockdep_assert_wiphy(local->hw.wiphy);
3419
3420 list_for_each_entry(sdata, &local->interfaces, list) {
3421 /* it might be waiting for the local->mtx, but then
3422 * by the time it gets it, sdata->wdev.cac_started
3423 * will no longer be true
3424 */
3425 wiphy_delayed_work_cancel(wiphy,
3426 dwork: &sdata->deflink.dfs_cac_timer_work);
3427
3428 if (sdata->wdev.cac_started) {
3429 ieee80211_link_release_channel(link: &sdata->deflink);
3430 sdata->wdev.cac_started = false;
3431 }
3432 }
3433}
3434
3435static struct cfg80211_beacon_data *
3436cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3437{
3438 struct cfg80211_beacon_data *new_beacon;
3439 u8 *pos;
3440 int len;
3441
3442 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3443 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3444 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3445
3446 if (beacon->mbssid_ies)
3447 len += ieee80211_get_mbssid_beacon_len(elems: beacon->mbssid_ies,
3448 rnr_elems: beacon->rnr_ies,
3449 i: beacon->mbssid_ies->cnt);
3450
3451 new_beacon = kzalloc(size: sizeof(*new_beacon) + len, GFP_KERNEL);
3452 if (!new_beacon)
3453 return NULL;
3454
3455 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3456 new_beacon->mbssid_ies =
3457 kzalloc(struct_size(new_beacon->mbssid_ies,
3458 elem, beacon->mbssid_ies->cnt),
3459 GFP_KERNEL);
3460 if (!new_beacon->mbssid_ies) {
3461 kfree(objp: new_beacon);
3462 return NULL;
3463 }
3464
3465 if (beacon->rnr_ies && beacon->rnr_ies->cnt) {
3466 new_beacon->rnr_ies =
3467 kzalloc(struct_size(new_beacon->rnr_ies,
3468 elem, beacon->rnr_ies->cnt),
3469 GFP_KERNEL);
3470 if (!new_beacon->rnr_ies) {
3471 kfree(objp: new_beacon->mbssid_ies);
3472 kfree(objp: new_beacon);
3473 return NULL;
3474 }
3475 }
3476 }
3477
3478 pos = (u8 *)(new_beacon + 1);
3479 if (beacon->head_len) {
3480 new_beacon->head_len = beacon->head_len;
3481 new_beacon->head = pos;
3482 memcpy(pos, beacon->head, beacon->head_len);
3483 pos += beacon->head_len;
3484 }
3485 if (beacon->tail_len) {
3486 new_beacon->tail_len = beacon->tail_len;
3487 new_beacon->tail = pos;
3488 memcpy(pos, beacon->tail, beacon->tail_len);
3489 pos += beacon->tail_len;
3490 }
3491 if (beacon->beacon_ies_len) {
3492 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3493 new_beacon->beacon_ies = pos;
3494 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3495 pos += beacon->beacon_ies_len;
3496 }
3497 if (beacon->proberesp_ies_len) {
3498 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3499 new_beacon->proberesp_ies = pos;
3500 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3501 pos += beacon->proberesp_ies_len;
3502 }
3503 if (beacon->assocresp_ies_len) {
3504 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3505 new_beacon->assocresp_ies = pos;
3506 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3507 pos += beacon->assocresp_ies_len;
3508 }
3509 if (beacon->probe_resp_len) {
3510 new_beacon->probe_resp_len = beacon->probe_resp_len;
3511 new_beacon->probe_resp = pos;
3512 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3513 pos += beacon->probe_resp_len;
3514 }
3515 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3516 pos += ieee80211_copy_mbssid_beacon(pos,
3517 dst: new_beacon->mbssid_ies,
3518 src: beacon->mbssid_ies);
3519 if (beacon->rnr_ies && beacon->rnr_ies->cnt)
3520 pos += ieee80211_copy_rnr_beacon(pos,
3521 dst: new_beacon->rnr_ies,
3522 src: beacon->rnr_ies);
3523 }
3524
3525 /* might copy -1, meaning no changes requested */
3526 new_beacon->ftm_responder = beacon->ftm_responder;
3527 if (beacon->lci) {
3528 new_beacon->lci_len = beacon->lci_len;
3529 new_beacon->lci = pos;
3530 memcpy(pos, beacon->lci, beacon->lci_len);
3531 pos += beacon->lci_len;
3532 }
3533 if (beacon->civicloc) {
3534 new_beacon->civicloc_len = beacon->civicloc_len;
3535 new_beacon->civicloc = pos;
3536 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3537 pos += beacon->civicloc_len;
3538 }
3539
3540 return new_beacon;
3541}
3542
3543void ieee80211_csa_finish(struct ieee80211_vif *vif)
3544{
3545 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
3546 struct ieee80211_local *local = sdata->local;
3547
3548 rcu_read_lock();
3549
3550 if (vif->mbssid_tx_vif == vif) {
3551 /* Trigger ieee80211_csa_finish() on the non-transmitting
3552 * interfaces when channel switch is received on
3553 * transmitting interface
3554 */
3555 struct ieee80211_sub_if_data *iter;
3556
3557 list_for_each_entry_rcu(iter, &local->interfaces, list) {
3558 if (!ieee80211_sdata_running(sdata: iter))
3559 continue;
3560
3561 if (iter == sdata || iter->vif.mbssid_tx_vif != vif)
3562 continue;
3563
3564 wiphy_work_queue(wiphy: iter->local->hw.wiphy,
3565 work: &iter->deflink.csa_finalize_work);
3566 }
3567 }
3568 wiphy_work_queue(wiphy: local->hw.wiphy, work: &sdata->deflink.csa_finalize_work);
3569
3570 rcu_read_unlock();
3571}
3572EXPORT_SYMBOL(ieee80211_csa_finish);
3573
3574void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif, bool block_tx)
3575{
3576 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
3577 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3578 struct ieee80211_local *local = sdata->local;
3579
3580 sdata->deflink.csa_block_tx = block_tx;
3581 sdata_info(sdata, "channel switch failed, disconnecting\n");
3582 wiphy_work_queue(wiphy: local->hw.wiphy, work: &ifmgd->csa_connection_drop_work);
3583}
3584EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
3585
3586static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3587 u64 *changed)
3588{
3589 int err;
3590
3591 switch (sdata->vif.type) {
3592 case NL80211_IFTYPE_AP:
3593 if (!sdata->deflink.u.ap.next_beacon)
3594 return -EINVAL;
3595
3596 err = ieee80211_assign_beacon(sdata, link: &sdata->deflink,
3597 params: sdata->deflink.u.ap.next_beacon,
3598 NULL, NULL, changed);
3599 ieee80211_free_next_beacon(link: &sdata->deflink);
3600
3601 if (err < 0)
3602 return err;
3603 break;
3604 case NL80211_IFTYPE_ADHOC:
3605 err = ieee80211_ibss_finish_csa(sdata, changed);
3606 if (err < 0)
3607 return err;
3608 break;
3609#ifdef CONFIG_MAC80211_MESH
3610 case NL80211_IFTYPE_MESH_POINT:
3611 err = ieee80211_mesh_finish_csa(sdata, changed);
3612 if (err < 0)
3613 return err;
3614 break;
3615#endif
3616 default:
3617 WARN_ON(1);
3618 return -EINVAL;
3619 }
3620
3621 return 0;
3622}
3623
3624static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
3625{
3626 struct ieee80211_sub_if_data *sdata = link_data->sdata;
3627 struct ieee80211_local *local = sdata->local;
3628 u64 changed = 0;
3629 int err;
3630
3631 lockdep_assert_wiphy(local->hw.wiphy);
3632
3633 /*
3634 * using reservation isn't immediate as it may be deferred until later
3635 * with multi-vif. once reservation is complete it will re-schedule the
3636 * work with no reserved_chanctx so verify chandef to check if it
3637 * completed successfully
3638 */
3639
3640 if (link_data->reserved_chanctx) {
3641 /*
3642 * with multi-vif csa driver may call ieee80211_csa_finish()
3643 * many times while waiting for other interfaces to use their
3644 * reservations
3645 */
3646 if (link_data->reserved_ready)
3647 return 0;
3648
3649 return ieee80211_link_use_reserved_context(link: &sdata->deflink);
3650 }
3651
3652 if (!cfg80211_chandef_identical(chandef1: &link_data->conf->chandef,
3653 chandef2: &link_data->csa_chandef))
3654 return -EINVAL;
3655
3656 sdata->vif.bss_conf.csa_active = false;
3657
3658 err = ieee80211_set_after_csa_beacon(sdata, changed: &changed);
3659 if (err)
3660 return err;
3661
3662 if (sdata->vif.bss_conf.eht_puncturing != sdata->vif.bss_conf.csa_punct_bitmap) {
3663 sdata->vif.bss_conf.eht_puncturing =
3664 sdata->vif.bss_conf.csa_punct_bitmap;
3665 changed |= BSS_CHANGED_EHT_PUNCTURING;
3666 }
3667
3668 ieee80211_link_info_change_notify(sdata, link: link_data, changed);
3669
3670 if (link_data->csa_block_tx) {
3671 ieee80211_wake_vif_queues(local, sdata,
3672 reason: IEEE80211_QUEUE_STOP_REASON_CSA);
3673 link_data->csa_block_tx = false;
3674 }
3675
3676 err = drv_post_channel_switch(link: link_data);
3677 if (err)
3678 return err;
3679
3680 cfg80211_ch_switch_notify(dev: sdata->dev, chandef: &link_data->csa_chandef,
3681 link_id: link_data->link_id,
3682 punct_bitmap: link_data->conf->eht_puncturing);
3683
3684 return 0;
3685}
3686
3687static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
3688{
3689 struct ieee80211_sub_if_data *sdata = link_data->sdata;
3690
3691 if (__ieee80211_csa_finalize(link_data)) {
3692 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3693 cfg80211_stop_iface(wiphy: sdata->local->hw.wiphy, wdev: &sdata->wdev,
3694 GFP_KERNEL);
3695 }
3696}
3697
3698void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
3699{
3700 struct ieee80211_link_data *link =
3701 container_of(work, struct ieee80211_link_data, csa_finalize_work);
3702 struct ieee80211_sub_if_data *sdata = link->sdata;
3703 struct ieee80211_local *local = sdata->local;
3704
3705 lockdep_assert_wiphy(local->hw.wiphy);
3706
3707 /* AP might have been stopped while waiting for the lock. */
3708 if (!link->conf->csa_active)
3709 return;
3710
3711 if (!ieee80211_sdata_running(sdata))
3712 return;
3713
3714 ieee80211_csa_finalize(link_data: link);
3715}
3716
3717static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3718 struct cfg80211_csa_settings *params,
3719 u64 *changed)
3720{
3721 struct ieee80211_csa_settings csa = {};
3722 int err;
3723
3724 switch (sdata->vif.type) {
3725 case NL80211_IFTYPE_AP:
3726 sdata->deflink.u.ap.next_beacon =
3727 cfg80211_beacon_dup(beacon: &params->beacon_after);
3728 if (!sdata->deflink.u.ap.next_beacon)
3729 return -ENOMEM;
3730
3731 /*
3732 * With a count of 0, we don't have to wait for any
3733 * TBTT before switching, so complete the CSA
3734 * immediately. In theory, with a count == 1 we
3735 * should delay the switch until just before the next
3736 * TBTT, but that would complicate things so we switch
3737 * immediately too. If we would delay the switch
3738 * until the next TBTT, we would have to set the probe
3739 * response here.
3740 *
3741 * TODO: A channel switch with count <= 1 without
3742 * sending a CSA action frame is kind of useless,
3743 * because the clients won't know we're changing
3744 * channels. The action frame must be implemented
3745 * either here or in the userspace.
3746 */
3747 if (params->count <= 1)
3748 break;
3749
3750 if ((params->n_counter_offsets_beacon >
3751 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3752 (params->n_counter_offsets_presp >
3753 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) {
3754 ieee80211_free_next_beacon(link: &sdata->deflink);
3755 return -EINVAL;
3756 }
3757
3758 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3759 csa.counter_offsets_presp = params->counter_offsets_presp;
3760 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3761 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3762 csa.count = params->count;
3763
3764 err = ieee80211_assign_beacon(sdata, link: &sdata->deflink,
3765 params: &params->beacon_csa, csa: &csa,
3766 NULL, changed);
3767 if (err < 0) {
3768 ieee80211_free_next_beacon(link: &sdata->deflink);
3769 return err;
3770 }
3771
3772 break;
3773 case NL80211_IFTYPE_ADHOC:
3774 if (!sdata->vif.cfg.ibss_joined)
3775 return -EINVAL;
3776
3777 if (params->chandef.width != sdata->u.ibss.chandef.width)
3778 return -EINVAL;
3779
3780 switch (params->chandef.width) {
3781 case NL80211_CHAN_WIDTH_40:
3782 if (cfg80211_get_chandef_type(chandef: &params->chandef) !=
3783 cfg80211_get_chandef_type(chandef: &sdata->u.ibss.chandef))
3784 return -EINVAL;
3785 break;
3786 case NL80211_CHAN_WIDTH_5:
3787 case NL80211_CHAN_WIDTH_10:
3788 case NL80211_CHAN_WIDTH_20_NOHT:
3789 case NL80211_CHAN_WIDTH_20:
3790 break;
3791 default:
3792 return -EINVAL;
3793 }
3794
3795 /* changes into another band are not supported */
3796 if (sdata->u.ibss.chandef.chan->band !=
3797 params->chandef.chan->band)
3798 return -EINVAL;
3799
3800 /* see comments in the NL80211_IFTYPE_AP block */
3801 if (params->count > 1) {
3802 err = ieee80211_ibss_csa_beacon(sdata, csa_settings: params, changed);
3803 if (err < 0)
3804 return err;
3805 }
3806
3807 ieee80211_send_action_csa(sdata, csa_settings: params);
3808
3809 break;
3810#ifdef CONFIG_MAC80211_MESH
3811 case NL80211_IFTYPE_MESH_POINT: {
3812 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3813
3814 /* changes into another band are not supported */
3815 if (sdata->vif.bss_conf.chandef.chan->band !=
3816 params->chandef.chan->band)
3817 return -EINVAL;
3818
3819 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3820 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3821 if (!ifmsh->pre_value)
3822 ifmsh->pre_value = 1;
3823 else
3824 ifmsh->pre_value++;
3825 }
3826
3827 /* see comments in the NL80211_IFTYPE_AP block */
3828 if (params->count > 1) {
3829 err = ieee80211_mesh_csa_beacon(sdata, csa_settings: params, changed);
3830 if (err < 0) {
3831 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3832 return err;
3833 }
3834 }
3835
3836 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3837 ieee80211_send_action_csa(sdata, csa_settings: params);
3838
3839 break;
3840 }
3841#endif
3842 default:
3843 return -EOPNOTSUPP;
3844 }
3845
3846 return 0;
3847}
3848
3849static void ieee80211_color_change_abort(struct ieee80211_sub_if_data *sdata)
3850{
3851 sdata->vif.bss_conf.color_change_active = false;
3852
3853 ieee80211_free_next_beacon(link: &sdata->deflink);
3854
3855 cfg80211_color_change_aborted_notify(dev: sdata->dev);
3856}
3857
3858static int
3859__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3860 struct cfg80211_csa_settings *params)
3861{
3862 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3863 struct ieee80211_local *local = sdata->local;
3864 struct ieee80211_channel_switch ch_switch;
3865 struct ieee80211_chanctx_conf *conf;
3866 struct ieee80211_chanctx *chanctx;
3867 u64 changed = 0;
3868 int err;
3869
3870 lockdep_assert_wiphy(local->hw.wiphy);
3871
3872 if (!list_empty(head: &local->roc_list) || local->scanning)
3873 return -EBUSY;
3874
3875 if (sdata->wdev.cac_started)
3876 return -EBUSY;
3877
3878 if (cfg80211_chandef_identical(chandef1: &params->chandef,
3879 chandef2: &sdata->vif.bss_conf.chandef))
3880 return -EINVAL;
3881
3882 /* don't allow another channel switch if one is already active. */
3883 if (sdata->vif.bss_conf.csa_active)
3884 return -EBUSY;
3885
3886 conf = rcu_dereference_protected(sdata->vif.bss_conf.chanctx_conf,
3887 lockdep_is_held(&local->hw.wiphy->mtx));
3888 if (!conf) {
3889 err = -EBUSY;
3890 goto out;
3891 }
3892
3893 if (params->chandef.chan->freq_offset) {
3894 /* this may work, but is untested */
3895 err = -EOPNOTSUPP;
3896 goto out;
3897 }
3898
3899 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3900
3901 ch_switch.timestamp = 0;
3902 ch_switch.device_timestamp = 0;
3903 ch_switch.block_tx = params->block_tx;
3904 ch_switch.chandef = params->chandef;
3905 ch_switch.count = params->count;
3906
3907 err = drv_pre_channel_switch(sdata, ch_switch: &ch_switch);
3908 if (err)
3909 goto out;
3910
3911 err = ieee80211_link_reserve_chanctx(link: &sdata->deflink, chandef: &params->chandef,
3912 mode: chanctx->mode,
3913 radar_required: params->radar_required);
3914 if (err)
3915 goto out;
3916
3917 /* if reservation is invalid then this will fail */
3918 err = ieee80211_check_combinations(sdata, NULL, chanmode: chanctx->mode, radar_detect: 0);
3919 if (err) {
3920 ieee80211_link_unreserve_chanctx(link: &sdata->deflink);
3921 goto out;
3922 }
3923
3924 /* if there is a color change in progress, abort it */
3925 if (sdata->vif.bss_conf.color_change_active)
3926 ieee80211_color_change_abort(sdata);
3927
3928 err = ieee80211_set_csa_beacon(sdata, params, changed: &changed);
3929 if (err) {
3930 ieee80211_link_unreserve_chanctx(link: &sdata->deflink);
3931 goto out;
3932 }
3933
3934 if (params->punct_bitmap && !sdata->vif.bss_conf.eht_support)
3935 goto out;
3936
3937 sdata->deflink.csa_chandef = params->chandef;
3938 sdata->deflink.csa_block_tx = params->block_tx;
3939 sdata->vif.bss_conf.csa_active = true;
3940 sdata->vif.bss_conf.csa_punct_bitmap = params->punct_bitmap;
3941
3942 if (sdata->deflink.csa_block_tx)
3943 ieee80211_stop_vif_queues(local, sdata,
3944 reason: IEEE80211_QUEUE_STOP_REASON_CSA);
3945
3946 cfg80211_ch_switch_started_notify(dev: sdata->dev,
3947 chandef: &sdata->deflink.csa_chandef, link_id: 0,
3948 count: params->count, quiet: params->block_tx,
3949 punct_bitmap: sdata->vif.bss_conf.csa_punct_bitmap);
3950
3951 if (changed) {
3952 ieee80211_link_info_change_notify(sdata, link: &sdata->deflink,
3953 changed);
3954 drv_channel_switch_beacon(sdata, chandef: &params->chandef);
3955 } else {
3956 /* if the beacon didn't change, we can finalize immediately */
3957 ieee80211_csa_finalize(link_data: &sdata->deflink);
3958 }
3959
3960out:
3961 return err;
3962}
3963
3964int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3965 struct cfg80211_csa_settings *params)
3966{
3967 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3968 struct ieee80211_local *local = sdata->local;
3969
3970 lockdep_assert_wiphy(local->hw.wiphy);
3971
3972 return __ieee80211_channel_switch(wiphy, dev, params);
3973}
3974
3975u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3976{
3977 lockdep_assert_wiphy(local->hw.wiphy);
3978
3979 local->roc_cookie_counter++;
3980
3981 /* wow, you wrapped 64 bits ... more likely a bug */
3982 if (WARN_ON(local->roc_cookie_counter == 0))
3983 local->roc_cookie_counter++;
3984
3985 return local->roc_cookie_counter;
3986}
3987
3988int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3989 u64 *cookie, gfp_t gfp)
3990{
3991 unsigned long spin_flags;
3992 struct sk_buff *ack_skb;
3993 int id;
3994
3995 ack_skb = skb_copy(skb, priority: gfp);
3996 if (!ack_skb)
3997 return -ENOMEM;
3998
3999 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
4000 id = idr_alloc(&local->ack_status_frames, ptr: ack_skb,
4001 start: 1, end: 0x2000, GFP_ATOMIC);
4002 spin_unlock_irqrestore(lock: &local->ack_status_lock, flags: spin_flags);
4003
4004 if (id < 0) {
4005 kfree_skb(skb: ack_skb);
4006 return -ENOMEM;
4007 }
4008
4009 IEEE80211_SKB_CB(skb)->status_data_idr = 1;
4010 IEEE80211_SKB_CB(skb)->status_data = id;
4011
4012 *cookie = ieee80211_mgmt_tx_cookie(local);
4013 IEEE80211_SKB_CB(skb: ack_skb)->ack.cookie = *cookie;
4014
4015 return 0;
4016}
4017
4018static void
4019ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
4020 struct wireless_dev *wdev,
4021 struct mgmt_frame_regs *upd)
4022{
4023 struct ieee80211_local *local = wiphy_priv(wiphy);
4024 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4025 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
4026 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
4027 bool global_change, intf_change;
4028
4029 global_change =
4030 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
4031 (local->rx_mcast_action_reg !=
4032 !!(upd->global_mcast_stypes & action_mask));
4033 local->probe_req_reg = upd->global_stypes & preq_mask;
4034 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
4035
4036 intf_change = (sdata->vif.probe_req_reg !=
4037 !!(upd->interface_stypes & preq_mask)) ||
4038 (sdata->vif.rx_mcast_action_reg !=
4039 !!(upd->interface_mcast_stypes & action_mask));
4040 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
4041 sdata->vif.rx_mcast_action_reg =
4042 upd->interface_mcast_stypes & action_mask;
4043
4044 if (!local->open_count)
4045 return;
4046
4047 if (intf_change && ieee80211_sdata_running(sdata))
4048 drv_config_iface_filter(local, sdata,
4049 filter_flags: sdata->vif.probe_req_reg ?
4050 FIF_PROBE_REQ : 0,
4051 changed_flags: FIF_PROBE_REQ);
4052
4053 if (global_change)
4054 ieee80211_configure_filter(local);
4055}
4056
4057static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
4058{
4059 struct ieee80211_local *local = wiphy_priv(wiphy);
4060 int ret;
4061
4062 if (local->started)
4063 return -EOPNOTSUPP;
4064
4065 ret = drv_set_antenna(local, tx_ant, rx_ant);
4066 if (ret)
4067 return ret;
4068
4069 local->rx_chains = hweight8(rx_ant);
4070 return 0;
4071}
4072
4073static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
4074{
4075 struct ieee80211_local *local = wiphy_priv(wiphy);
4076
4077 return drv_get_antenna(local, tx_ant, rx_ant);
4078}
4079
4080static int ieee80211_set_rekey_data(struct wiphy *wiphy,
4081 struct net_device *dev,
4082 struct cfg80211_gtk_rekey_data *data)
4083{
4084 struct ieee80211_local *local = wiphy_priv(wiphy);
4085 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4086
4087 if (!local->ops->set_rekey_data)
4088 return -EOPNOTSUPP;
4089
4090 drv_set_rekey_data(local, sdata, data);
4091
4092 return 0;
4093}
4094
4095static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
4096 const u8 *peer, u64 *cookie)
4097{
4098 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4099 struct ieee80211_local *local = sdata->local;
4100 struct ieee80211_qos_hdr *nullfunc;
4101 struct sk_buff *skb;
4102 int size = sizeof(*nullfunc);
4103 __le16 fc;
4104 bool qos;
4105 struct ieee80211_tx_info *info;
4106 struct sta_info *sta;
4107 struct ieee80211_chanctx_conf *chanctx_conf;
4108 enum nl80211_band band;
4109 int ret;
4110
4111 /* the lock is needed to assign the cookie later */
4112 lockdep_assert_wiphy(local->hw.wiphy);
4113
4114 rcu_read_lock();
4115 sta = sta_info_get_bss(sdata, addr: peer);
4116 if (!sta) {
4117 ret = -ENOLINK;
4118 goto unlock;
4119 }
4120
4121 qos = sta->sta.wme;
4122
4123 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
4124 if (WARN_ON(!chanctx_conf)) {
4125 ret = -EINVAL;
4126 goto unlock;
4127 }
4128 band = chanctx_conf->def.chan->band;
4129
4130 if (qos) {
4131 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4132 IEEE80211_STYPE_QOS_NULLFUNC |
4133 IEEE80211_FCTL_FROMDS);
4134 } else {
4135 size -= 2;
4136 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4137 IEEE80211_STYPE_NULLFUNC |
4138 IEEE80211_FCTL_FROMDS);
4139 }
4140
4141 skb = dev_alloc_skb(length: local->hw.extra_tx_headroom + size);
4142 if (!skb) {
4143 ret = -ENOMEM;
4144 goto unlock;
4145 }
4146
4147 skb->dev = dev;
4148
4149 skb_reserve(skb, len: local->hw.extra_tx_headroom);
4150
4151 nullfunc = skb_put(skb, len: size);
4152 nullfunc->frame_control = fc;
4153 nullfunc->duration_id = 0;
4154 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
4155 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
4156 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
4157 nullfunc->seq_ctrl = 0;
4158
4159 info = IEEE80211_SKB_CB(skb);
4160
4161 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
4162 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
4163 info->band = band;
4164
4165 skb_set_queue_mapping(skb, queue_mapping: IEEE80211_AC_VO);
4166 skb->priority = 7;
4167 if (qos)
4168 nullfunc->qos_ctrl = cpu_to_le16(7);
4169
4170 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
4171 if (ret) {
4172 kfree_skb(skb);
4173 goto unlock;
4174 }
4175
4176 local_bh_disable();
4177 ieee80211_xmit(sdata, sta, skb);
4178 local_bh_enable();
4179
4180 ret = 0;
4181unlock:
4182 rcu_read_unlock();
4183
4184 return ret;
4185}
4186
4187static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
4188 struct wireless_dev *wdev,
4189 unsigned int link_id,
4190 struct cfg80211_chan_def *chandef)
4191{
4192 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4193 struct ieee80211_local *local = wiphy_priv(wiphy);
4194 struct ieee80211_chanctx_conf *chanctx_conf;
4195 struct ieee80211_link_data *link;
4196 int ret = -ENODATA;
4197
4198 rcu_read_lock();
4199 link = rcu_dereference(sdata->link[link_id]);
4200 if (!link) {
4201 ret = -ENOLINK;
4202 goto out;
4203 }
4204
4205 chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
4206 if (chanctx_conf) {
4207 *chandef = link->conf->chandef;
4208 ret = 0;
4209 } else if (local->open_count > 0 &&
4210 local->open_count == local->monitors &&
4211 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
4212 if (local->use_chanctx)
4213 *chandef = local->monitor_chandef;
4214 else
4215 *chandef = local->_oper_chandef;
4216 ret = 0;
4217 }
4218out:
4219 rcu_read_unlock();
4220
4221 return ret;
4222}
4223
4224#ifdef CONFIG_PM
4225static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
4226{
4227 drv_set_wakeup(local: wiphy_priv(wiphy), enabled);
4228}
4229#endif
4230
4231static int ieee80211_set_qos_map(struct wiphy *wiphy,
4232 struct net_device *dev,
4233 struct cfg80211_qos_map *qos_map)
4234{
4235 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4236 struct mac80211_qos_map *new_qos_map, *old_qos_map;
4237
4238 if (qos_map) {
4239 new_qos_map = kzalloc(size: sizeof(*new_qos_map), GFP_KERNEL);
4240 if (!new_qos_map)
4241 return -ENOMEM;
4242 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
4243 } else {
4244 /* A NULL qos_map was passed to disable QoS mapping */
4245 new_qos_map = NULL;
4246 }
4247
4248 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
4249 rcu_assign_pointer(sdata->qos_map, new_qos_map);
4250 if (old_qos_map)
4251 kfree_rcu(old_qos_map, rcu_head);
4252
4253 return 0;
4254}
4255
4256static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
4257 struct net_device *dev,
4258 unsigned int link_id,
4259 struct cfg80211_chan_def *chandef)
4260{
4261 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4262 struct ieee80211_link_data *link;
4263 int ret;
4264 u64 changed = 0;
4265
4266 link = sdata_dereference(sdata->link[link_id], sdata);
4267
4268 ret = ieee80211_link_change_bandwidth(link, chandef, changed: &changed);
4269 if (ret == 0)
4270 ieee80211_link_info_change_notify(sdata, link, changed);
4271
4272 return ret;
4273}
4274
4275static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4276 u8 tsid, const u8 *peer, u8 up,
4277 u16 admitted_time)
4278{
4279 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4280 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4281 int ac = ieee802_1d_to_ac[up];
4282
4283 if (sdata->vif.type != NL80211_IFTYPE_STATION)
4284 return -EOPNOTSUPP;
4285
4286 if (!(sdata->wmm_acm & BIT(up)))
4287 return -EINVAL;
4288
4289 if (ifmgd->tx_tspec[ac].admitted_time)
4290 return -EBUSY;
4291
4292 if (admitted_time) {
4293 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
4294 ifmgd->tx_tspec[ac].tsid = tsid;
4295 ifmgd->tx_tspec[ac].up = up;
4296 }
4297
4298 return 0;
4299}
4300
4301static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4302 u8 tsid, const u8 *peer)
4303{
4304 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4305 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4306 struct ieee80211_local *local = wiphy_priv(wiphy);
4307 int ac;
4308
4309 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
4310 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
4311
4312 /* skip unused entries */
4313 if (!tx_tspec->admitted_time)
4314 continue;
4315
4316 if (tx_tspec->tsid != tsid)
4317 continue;
4318
4319 /* due to this new packets will be reassigned to non-ACM ACs */
4320 tx_tspec->up = -1;
4321
4322 /* Make sure that all packets have been sent to avoid to
4323 * restore the QoS params on packets that are still on the
4324 * queues.
4325 */
4326 synchronize_net();
4327 ieee80211_flush_queues(local, sdata, drop: false);
4328
4329 /* restore the normal QoS parameters
4330 * (unconditionally to avoid races)
4331 */
4332 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
4333 tx_tspec->downgraded = false;
4334 ieee80211_sta_handle_tspec_ac_params(sdata);
4335
4336 /* finally clear all the data */
4337 memset(tx_tspec, 0, sizeof(*tx_tspec));
4338
4339 return 0;
4340 }
4341
4342 return -ENOENT;
4343}
4344
4345void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
4346 u8 inst_id,
4347 enum nl80211_nan_func_term_reason reason,
4348 gfp_t gfp)
4349{
4350 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
4351 struct cfg80211_nan_func *func;
4352 u64 cookie;
4353
4354 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4355 return;
4356
4357 spin_lock_bh(lock: &sdata->u.nan.func_lock);
4358
4359 func = idr_find(&sdata->u.nan.function_inst_ids, id: inst_id);
4360 if (WARN_ON(!func)) {
4361 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
4362 return;
4363 }
4364
4365 cookie = func->cookie;
4366 idr_remove(&sdata->u.nan.function_inst_ids, id: inst_id);
4367
4368 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
4369
4370 cfg80211_free_nan_func(f: func);
4371
4372 cfg80211_nan_func_terminated(wdev: ieee80211_vif_to_wdev(vif), inst_id,
4373 reason, cookie, gfp);
4374}
4375EXPORT_SYMBOL(ieee80211_nan_func_terminated);
4376
4377void ieee80211_nan_func_match(struct ieee80211_vif *vif,
4378 struct cfg80211_nan_match_params *match,
4379 gfp_t gfp)
4380{
4381 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
4382 struct cfg80211_nan_func *func;
4383
4384 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4385 return;
4386
4387 spin_lock_bh(lock: &sdata->u.nan.func_lock);
4388
4389 func = idr_find(&sdata->u.nan.function_inst_ids, id: match->inst_id);
4390 if (WARN_ON(!func)) {
4391 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
4392 return;
4393 }
4394 match->cookie = func->cookie;
4395
4396 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
4397
4398 cfg80211_nan_match(wdev: ieee80211_vif_to_wdev(vif), match, gfp);
4399}
4400EXPORT_SYMBOL(ieee80211_nan_func_match);
4401
4402static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
4403 struct net_device *dev,
4404 const bool enabled)
4405{
4406 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4407
4408 sdata->u.ap.multicast_to_unicast = enabled;
4409
4410 return 0;
4411}
4412
4413void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
4414 struct txq_info *txqi)
4415{
4416 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
4417 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
4418 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
4419 }
4420
4421 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
4422 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
4423 txqstats->backlog_packets = txqi->tin.backlog_packets;
4424 }
4425
4426 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
4427 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
4428 txqstats->flows = txqi->tin.flows;
4429 }
4430
4431 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
4432 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
4433 txqstats->drops = txqi->cstats.drop_count;
4434 }
4435
4436 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
4437 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
4438 txqstats->ecn_marks = txqi->cstats.ecn_mark;
4439 }
4440
4441 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
4442 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
4443 txqstats->overlimit = txqi->tin.overlimit;
4444 }
4445
4446 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
4447 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
4448 txqstats->collisions = txqi->tin.collisions;
4449 }
4450
4451 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
4452 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
4453 txqstats->tx_bytes = txqi->tin.tx_bytes;
4454 }
4455
4456 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
4457 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
4458 txqstats->tx_packets = txqi->tin.tx_packets;
4459 }
4460}
4461
4462static int ieee80211_get_txq_stats(struct wiphy *wiphy,
4463 struct wireless_dev *wdev,
4464 struct cfg80211_txq_stats *txqstats)
4465{
4466 struct ieee80211_local *local = wiphy_priv(wiphy);
4467 struct ieee80211_sub_if_data *sdata;
4468 int ret = 0;
4469
4470 spin_lock_bh(lock: &local->fq.lock);
4471 rcu_read_lock();
4472
4473 if (wdev) {
4474 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4475 if (!sdata->vif.txq) {
4476 ret = 1;
4477 goto out;
4478 }
4479 ieee80211_fill_txq_stats(txqstats, txqi: to_txq_info(txq: sdata->vif.txq));
4480 } else {
4481 /* phy stats */
4482 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
4483 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
4484 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4485 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4486 BIT(NL80211_TXQ_STATS_COLLISIONS) |
4487 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4488 txqstats->backlog_packets = local->fq.backlog;
4489 txqstats->backlog_bytes = local->fq.memory_usage;
4490 txqstats->overlimit = local->fq.overlimit;
4491 txqstats->overmemory = local->fq.overmemory;
4492 txqstats->collisions = local->fq.collisions;
4493 txqstats->max_flows = local->fq.flows_cnt;
4494 }
4495
4496out:
4497 rcu_read_unlock();
4498 spin_unlock_bh(lock: &local->fq.lock);
4499
4500 return ret;
4501}
4502
4503static int
4504ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4505 struct net_device *dev,
4506 struct cfg80211_ftm_responder_stats *ftm_stats)
4507{
4508 struct ieee80211_local *local = wiphy_priv(wiphy);
4509 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4510
4511 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4512}
4513
4514static int
4515ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4516 struct cfg80211_pmsr_request *request)
4517{
4518 struct ieee80211_local *local = wiphy_priv(wiphy);
4519 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev: dev);
4520
4521 return drv_start_pmsr(local, sdata, request);
4522}
4523
4524static void
4525ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4526 struct cfg80211_pmsr_request *request)
4527{
4528 struct ieee80211_local *local = wiphy_priv(wiphy);
4529 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev: dev);
4530
4531 return drv_abort_pmsr(local, sdata, request);
4532}
4533
4534static int ieee80211_set_tid_config(struct wiphy *wiphy,
4535 struct net_device *dev,
4536 struct cfg80211_tid_config *tid_conf)
4537{
4538 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4539 struct sta_info *sta;
4540
4541 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4542
4543 if (!sdata->local->ops->set_tid_config)
4544 return -EOPNOTSUPP;
4545
4546 if (!tid_conf->peer)
4547 return drv_set_tid_config(local: sdata->local, sdata, NULL, tid_conf);
4548
4549 sta = sta_info_get_bss(sdata, addr: tid_conf->peer);
4550 if (!sta)
4551 return -ENOENT;
4552
4553 return drv_set_tid_config(local: sdata->local, sdata, sta: &sta->sta, tid_conf);
4554}
4555
4556static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4557 struct net_device *dev,
4558 const u8 *peer, u8 tids)
4559{
4560 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4561 struct sta_info *sta;
4562
4563 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4564
4565 if (!sdata->local->ops->reset_tid_config)
4566 return -EOPNOTSUPP;
4567
4568 if (!peer)
4569 return drv_reset_tid_config(local: sdata->local, sdata, NULL, tids);
4570
4571 sta = sta_info_get_bss(sdata, addr: peer);
4572 if (!sta)
4573 return -ENOENT;
4574
4575 return drv_reset_tid_config(local: sdata->local, sdata, sta: &sta->sta, tids);
4576}
4577
4578static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4579 struct cfg80211_sar_specs *sar)
4580{
4581 struct ieee80211_local *local = wiphy_priv(wiphy);
4582
4583 if (!local->ops->set_sar_specs)
4584 return -EOPNOTSUPP;
4585
4586 return local->ops->set_sar_specs(&local->hw, sar);
4587}
4588
4589static int
4590ieee80211_set_after_color_change_beacon(struct ieee80211_sub_if_data *sdata,
4591 u64 *changed)
4592{
4593 switch (sdata->vif.type) {
4594 case NL80211_IFTYPE_AP: {
4595 int ret;
4596
4597 if (!sdata->deflink.u.ap.next_beacon)
4598 return -EINVAL;
4599
4600 ret = ieee80211_assign_beacon(sdata, link: &sdata->deflink,
4601 params: sdata->deflink.u.ap.next_beacon,
4602 NULL, NULL, changed);
4603 ieee80211_free_next_beacon(link: &sdata->deflink);
4604
4605 if (ret < 0)
4606 return ret;
4607
4608 break;
4609 }
4610 default:
4611 WARN_ON_ONCE(1);
4612 return -EINVAL;
4613 }
4614
4615 return 0;
4616}
4617
4618static int
4619ieee80211_set_color_change_beacon(struct ieee80211_sub_if_data *sdata,
4620 struct cfg80211_color_change_settings *params,
4621 u64 *changed)
4622{
4623 struct ieee80211_color_change_settings color_change = {};
4624 int err;
4625
4626 switch (sdata->vif.type) {
4627 case NL80211_IFTYPE_AP:
4628 sdata->deflink.u.ap.next_beacon =
4629 cfg80211_beacon_dup(beacon: &params->beacon_next);
4630 if (!sdata->deflink.u.ap.next_beacon)
4631 return -ENOMEM;
4632
4633 if (params->count <= 1)
4634 break;
4635
4636 color_change.counter_offset_beacon =
4637 params->counter_offset_beacon;
4638 color_change.counter_offset_presp =
4639 params->counter_offset_presp;
4640 color_change.count = params->count;
4641
4642 err = ieee80211_assign_beacon(sdata, link: &sdata->deflink,
4643 params: &params->beacon_color_change,
4644 NULL, cca: &color_change, changed);
4645 if (err < 0) {
4646 ieee80211_free_next_beacon(link: &sdata->deflink);
4647 return err;
4648 }
4649 break;
4650 default:
4651 return -EOPNOTSUPP;
4652 }
4653
4654 return 0;
4655}
4656
4657static void
4658ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata,
4659 u8 color, int enable, u64 changed)
4660{
4661 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4662
4663 sdata->vif.bss_conf.he_bss_color.color = color;
4664 sdata->vif.bss_conf.he_bss_color.enabled = enable;
4665 changed |= BSS_CHANGED_HE_BSS_COLOR;
4666
4667 ieee80211_link_info_change_notify(sdata, link: &sdata->deflink, changed);
4668
4669 if (!sdata->vif.bss_conf.nontransmitted && sdata->vif.mbssid_tx_vif) {
4670 struct ieee80211_sub_if_data *child;
4671
4672 list_for_each_entry(child, &sdata->local->interfaces, list) {
4673 if (child != sdata && child->vif.mbssid_tx_vif == &sdata->vif) {
4674 child->vif.bss_conf.he_bss_color.color = color;
4675 child->vif.bss_conf.he_bss_color.enabled = enable;
4676 ieee80211_link_info_change_notify(sdata: child,
4677 link: &child->deflink,
4678 changed: BSS_CHANGED_HE_BSS_COLOR);
4679 }
4680 }
4681 }
4682}
4683
4684static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata)
4685{
4686 struct ieee80211_local *local = sdata->local;
4687 u64 changed = 0;
4688 int err;
4689
4690 lockdep_assert_wiphy(local->hw.wiphy);
4691
4692 sdata->vif.bss_conf.color_change_active = false;
4693
4694 err = ieee80211_set_after_color_change_beacon(sdata, changed: &changed);
4695 if (err) {
4696 cfg80211_color_change_aborted_notify(dev: sdata->dev);
4697 return err;
4698 }
4699
4700 ieee80211_color_change_bss_config_notify(sdata,
4701 color: sdata->vif.bss_conf.color_change_color,
4702 enable: 1, changed);
4703 cfg80211_color_change_notify(dev: sdata->dev);
4704
4705 return 0;
4706}
4707
4708void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
4709 struct wiphy_work *work)
4710{
4711 struct ieee80211_sub_if_data *sdata =
4712 container_of(work, struct ieee80211_sub_if_data,
4713 deflink.color_change_finalize_work);
4714 struct ieee80211_local *local = sdata->local;
4715
4716 lockdep_assert_wiphy(local->hw.wiphy);
4717
4718 /* AP might have been stopped while waiting for the lock. */
4719 if (!sdata->vif.bss_conf.color_change_active)
4720 return;
4721
4722 if (!ieee80211_sdata_running(sdata))
4723 return;
4724
4725 ieee80211_color_change_finalize(sdata);
4726}
4727
4728void ieee80211_color_collision_detection_work(struct work_struct *work)
4729{
4730 struct delayed_work *delayed_work = to_delayed_work(work);
4731 struct ieee80211_link_data *link =
4732 container_of(delayed_work, struct ieee80211_link_data,
4733 color_collision_detect_work);
4734 struct ieee80211_sub_if_data *sdata = link->sdata;
4735
4736 cfg80211_obss_color_collision_notify(dev: sdata->dev, color_bitmap: link->color_bitmap);
4737}
4738
4739void ieee80211_color_change_finish(struct ieee80211_vif *vif)
4740{
4741 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
4742
4743 wiphy_work_queue(wiphy: sdata->local->hw.wiphy,
4744 work: &sdata->deflink.color_change_finalize_work);
4745}
4746EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
4747
4748void
4749ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
4750 u64 color_bitmap, gfp_t gfp)
4751{
4752 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
4753 struct ieee80211_link_data *link = &sdata->deflink;
4754
4755 if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active)
4756 return;
4757
4758 if (delayed_work_pending(&link->color_collision_detect_work))
4759 return;
4760
4761 link->color_bitmap = color_bitmap;
4762 /* queue the color collision detection event every 500 ms in order to
4763 * avoid sending too much netlink messages to userspace.
4764 */
4765 ieee80211_queue_delayed_work(hw: &sdata->local->hw,
4766 dwork: &link->color_collision_detect_work,
4767 delay: msecs_to_jiffies(m: 500));
4768}
4769EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify);
4770
4771static int
4772ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
4773 struct cfg80211_color_change_settings *params)
4774{
4775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4776 struct ieee80211_local *local = sdata->local;
4777 u64 changed = 0;
4778 int err;
4779
4780 lockdep_assert_wiphy(local->hw.wiphy);
4781
4782 if (sdata->vif.bss_conf.nontransmitted)
4783 return -EINVAL;
4784
4785 /* don't allow another color change if one is already active or if csa
4786 * is active
4787 */
4788 if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active) {
4789 err = -EBUSY;
4790 goto out;
4791 }
4792
4793 err = ieee80211_set_color_change_beacon(sdata, params, changed: &changed);
4794 if (err)
4795 goto out;
4796
4797 sdata->vif.bss_conf.color_change_active = true;
4798 sdata->vif.bss_conf.color_change_color = params->color;
4799
4800 cfg80211_color_change_started_notify(dev: sdata->dev, count: params->count);
4801
4802 if (changed)
4803 ieee80211_color_change_bss_config_notify(sdata, color: 0, enable: 0, changed);
4804 else
4805 /* if the beacon didn't change, we can finalize immediately */
4806 ieee80211_color_change_finalize(sdata);
4807
4808out:
4809
4810 return err;
4811}
4812
4813static int
4814ieee80211_set_radar_background(struct wiphy *wiphy,
4815 struct cfg80211_chan_def *chandef)
4816{
4817 struct ieee80211_local *local = wiphy_priv(wiphy);
4818
4819 if (!local->ops->set_radar_background)
4820 return -EOPNOTSUPP;
4821
4822 return local->ops->set_radar_background(&local->hw, chandef);
4823}
4824
4825static int ieee80211_add_intf_link(struct wiphy *wiphy,
4826 struct wireless_dev *wdev,
4827 unsigned int link_id)
4828{
4829 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4830
4831 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4832
4833 if (wdev->use_4addr)
4834 return -EOPNOTSUPP;
4835
4836 return ieee80211_vif_set_links(sdata, new_links: wdev->valid_links, dormant_links: 0);
4837}
4838
4839static void ieee80211_del_intf_link(struct wiphy *wiphy,
4840 struct wireless_dev *wdev,
4841 unsigned int link_id)
4842{
4843 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4844
4845 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4846
4847 ieee80211_vif_set_links(sdata, new_links: wdev->valid_links, dormant_links: 0);
4848}
4849
4850static int sta_add_link_station(struct ieee80211_local *local,
4851 struct ieee80211_sub_if_data *sdata,
4852 struct link_station_parameters *params)
4853{
4854 struct sta_info *sta;
4855 int ret;
4856
4857 sta = sta_info_get_bss(sdata, addr: params->mld_mac);
4858 if (!sta)
4859 return -ENOENT;
4860
4861 if (!sta->sta.valid_links)
4862 return -EINVAL;
4863
4864 if (sta->sta.valid_links & BIT(params->link_id))
4865 return -EALREADY;
4866
4867 ret = ieee80211_sta_allocate_link(sta, link_id: params->link_id);
4868 if (ret)
4869 return ret;
4870
4871 ret = sta_link_apply_parameters(local, sta, new_link: true, params);
4872 if (ret) {
4873 ieee80211_sta_free_link(sta, link_id: params->link_id);
4874 return ret;
4875 }
4876
4877 /* ieee80211_sta_activate_link frees the link upon failure */
4878 return ieee80211_sta_activate_link(sta, link_id: params->link_id);
4879}
4880
4881static int
4882ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev,
4883 struct link_station_parameters *params)
4884{
4885 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4886 struct ieee80211_local *local = wiphy_priv(wiphy);
4887
4888 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4889
4890 return sta_add_link_station(local, sdata, params);
4891}
4892
4893static int sta_mod_link_station(struct ieee80211_local *local,
4894 struct ieee80211_sub_if_data *sdata,
4895 struct link_station_parameters *params)
4896{
4897 struct sta_info *sta;
4898
4899 sta = sta_info_get_bss(sdata, addr: params->mld_mac);
4900 if (!sta)
4901 return -ENOENT;
4902
4903 if (!(sta->sta.valid_links & BIT(params->link_id)))
4904 return -EINVAL;
4905
4906 return sta_link_apply_parameters(local, sta, new_link: false, params);
4907}
4908
4909static int
4910ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev,
4911 struct link_station_parameters *params)
4912{
4913 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4914 struct ieee80211_local *local = wiphy_priv(wiphy);
4915
4916 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4917
4918 return sta_mod_link_station(local, sdata, params);
4919}
4920
4921static int sta_del_link_station(struct ieee80211_sub_if_data *sdata,
4922 struct link_station_del_parameters *params)
4923{
4924 struct sta_info *sta;
4925
4926 sta = sta_info_get_bss(sdata, addr: params->mld_mac);
4927 if (!sta)
4928 return -ENOENT;
4929
4930 if (!(sta->sta.valid_links & BIT(params->link_id)))
4931 return -EINVAL;
4932
4933 /* must not create a STA without links */
4934 if (sta->sta.valid_links == BIT(params->link_id))
4935 return -EINVAL;
4936
4937 ieee80211_sta_remove_link(sta, link_id: params->link_id);
4938
4939 return 0;
4940}
4941
4942static int
4943ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
4944 struct link_station_del_parameters *params)
4945{
4946 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4947
4948 lockdep_assert_wiphy(sdata->local->hw.wiphy);
4949
4950 return sta_del_link_station(sdata, params);
4951}
4952
4953static int ieee80211_set_hw_timestamp(struct wiphy *wiphy,
4954 struct net_device *dev,
4955 struct cfg80211_set_hw_timestamp *hwts)
4956{
4957 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4958 struct ieee80211_local *local = sdata->local;
4959
4960 if (!local->ops->set_hw_timestamp)
4961 return -EOPNOTSUPP;
4962
4963 if (!check_sdata_in_driver(sdata))
4964 return -EIO;
4965
4966 return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts);
4967}
4968
4969const struct cfg80211_ops mac80211_config_ops = {
4970 .add_virtual_intf = ieee80211_add_iface,
4971 .del_virtual_intf = ieee80211_del_iface,
4972 .change_virtual_intf = ieee80211_change_iface,
4973 .start_p2p_device = ieee80211_start_p2p_device,
4974 .stop_p2p_device = ieee80211_stop_p2p_device,
4975 .add_key = ieee80211_add_key,
4976 .del_key = ieee80211_del_key,
4977 .get_key = ieee80211_get_key,
4978 .set_default_key = ieee80211_config_default_key,
4979 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4980 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4981 .start_ap = ieee80211_start_ap,
4982 .change_beacon = ieee80211_change_beacon,
4983 .stop_ap = ieee80211_stop_ap,
4984 .add_station = ieee80211_add_station,
4985 .del_station = ieee80211_del_station,
4986 .change_station = ieee80211_change_station,
4987 .get_station = ieee80211_get_station,
4988 .dump_station = ieee80211_dump_station,
4989 .dump_survey = ieee80211_dump_survey,
4990#ifdef CONFIG_MAC80211_MESH
4991 .add_mpath = ieee80211_add_mpath,
4992 .del_mpath = ieee80211_del_mpath,
4993 .change_mpath = ieee80211_change_mpath,
4994 .get_mpath = ieee80211_get_mpath,
4995 .dump_mpath = ieee80211_dump_mpath,
4996 .get_mpp = ieee80211_get_mpp,
4997 .dump_mpp = ieee80211_dump_mpp,
4998 .update_mesh_config = ieee80211_update_mesh_config,
4999 .get_mesh_config = ieee80211_get_mesh_config,
5000 .join_mesh = ieee80211_join_mesh,
5001 .leave_mesh = ieee80211_leave_mesh,
5002#endif
5003 .join_ocb = ieee80211_join_ocb,
5004 .leave_ocb = ieee80211_leave_ocb,
5005 .change_bss = ieee80211_change_bss,
5006 .inform_bss = ieee80211_inform_bss,
5007 .set_txq_params = ieee80211_set_txq_params,
5008 .set_monitor_channel = ieee80211_set_monitor_channel,
5009 .suspend = ieee80211_suspend,
5010 .resume = ieee80211_resume,
5011 .scan = ieee80211_scan,
5012 .abort_scan = ieee80211_abort_scan,
5013 .sched_scan_start = ieee80211_sched_scan_start,
5014 .sched_scan_stop = ieee80211_sched_scan_stop,
5015 .auth = ieee80211_auth,
5016 .assoc = ieee80211_assoc,
5017 .deauth = ieee80211_deauth,
5018 .disassoc = ieee80211_disassoc,
5019 .join_ibss = ieee80211_join_ibss,
5020 .leave_ibss = ieee80211_leave_ibss,
5021 .set_mcast_rate = ieee80211_set_mcast_rate,
5022 .set_wiphy_params = ieee80211_set_wiphy_params,
5023 .set_tx_power = ieee80211_set_tx_power,
5024 .get_tx_power = ieee80211_get_tx_power,
5025 .rfkill_poll = ieee80211_rfkill_poll,
5026 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
5027 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
5028 .set_power_mgmt = ieee80211_set_power_mgmt,
5029 .set_bitrate_mask = ieee80211_set_bitrate_mask,
5030 .remain_on_channel = ieee80211_remain_on_channel,
5031 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
5032 .mgmt_tx = ieee80211_mgmt_tx,
5033 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
5034 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
5035 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
5036 .update_mgmt_frame_registrations =
5037 ieee80211_update_mgmt_frame_registrations,
5038 .set_antenna = ieee80211_set_antenna,
5039 .get_antenna = ieee80211_get_antenna,
5040 .set_rekey_data = ieee80211_set_rekey_data,
5041 .tdls_oper = ieee80211_tdls_oper,
5042 .tdls_mgmt = ieee80211_tdls_mgmt,
5043 .tdls_channel_switch = ieee80211_tdls_channel_switch,
5044 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
5045 .probe_client = ieee80211_probe_client,
5046 .set_noack_map = ieee80211_set_noack_map,
5047#ifdef CONFIG_PM
5048 .set_wakeup = ieee80211_set_wakeup,
5049#endif
5050 .get_channel = ieee80211_cfg_get_channel,
5051 .start_radar_detection = ieee80211_start_radar_detection,
5052 .end_cac = ieee80211_end_cac,
5053 .channel_switch = ieee80211_channel_switch,
5054 .set_qos_map = ieee80211_set_qos_map,
5055 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
5056 .add_tx_ts = ieee80211_add_tx_ts,
5057 .del_tx_ts = ieee80211_del_tx_ts,
5058 .start_nan = ieee80211_start_nan,
5059 .stop_nan = ieee80211_stop_nan,
5060 .nan_change_conf = ieee80211_nan_change_conf,
5061 .add_nan_func = ieee80211_add_nan_func,
5062 .del_nan_func = ieee80211_del_nan_func,
5063 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
5064 .tx_control_port = ieee80211_tx_control_port,
5065 .get_txq_stats = ieee80211_get_txq_stats,
5066 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
5067 .start_pmsr = ieee80211_start_pmsr,
5068 .abort_pmsr = ieee80211_abort_pmsr,
5069 .probe_mesh_link = ieee80211_probe_mesh_link,
5070 .set_tid_config = ieee80211_set_tid_config,
5071 .reset_tid_config = ieee80211_reset_tid_config,
5072 .set_sar_specs = ieee80211_set_sar_specs,
5073 .color_change = ieee80211_color_change,
5074 .set_radar_background = ieee80211_set_radar_background,
5075 .add_intf_link = ieee80211_add_intf_link,
5076 .del_intf_link = ieee80211_del_intf_link,
5077 .add_link_station = ieee80211_add_link_station,
5078 .mod_link_station = ieee80211_mod_link_station,
5079 .del_link_station = ieee80211_del_link_station,
5080 .set_hw_timestamp = ieee80211_set_hw_timestamp,
5081};
5082

source code of linux/net/mac80211/cfg.c