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) 2018-2025 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(to: sdata->vif.bss_conf.mu_group.membership,
62 from: params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
63 memcpy(to: sdata->vif.bss_conf.mu_group.position,
64 from: 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(to: &membership, from: 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_ACTIVE;
93
94 /*
95 * Prohibit MONITOR_FLAG_ACTIVE to be changed
96 * while the interface is up.
97 * Else we would need to add a lot of cruft
98 * to update everything:
99 * monitor and all fif_* counters
100 * reconfigure hardware
101 */
102 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
103 return -EBUSY;
104 }
105
106 /* also validate MU-MIMO change */
107 if (ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
108 monitor_sdata = sdata;
109 else
110 monitor_sdata = wiphy_dereference(local->hw.wiphy,
111 local->monitor_sdata);
112
113 if (!monitor_sdata &&
114 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
115 return -EOPNOTSUPP;
116
117 /* apply all changes now - no failures allowed */
118
119 if (monitor_sdata &&
120 (ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) ||
121 ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)))
122 ieee80211_set_mu_mimo_follow(sdata: monitor_sdata, params);
123
124 if (params->flags) {
125 if (ieee80211_sdata_running(sdata)) {
126 ieee80211_adjust_monitor_flags(sdata, offset: -1);
127 sdata->u.mntr.flags = params->flags;
128 ieee80211_adjust_monitor_flags(sdata, offset: 1);
129
130 ieee80211_configure_filter(local);
131 } else {
132 /*
133 * Because the interface is down, ieee80211_do_stop
134 * and ieee80211_do_open take care of "everything"
135 * mentioned in the comment above.
136 */
137 sdata->u.mntr.flags = params->flags;
138 }
139 }
140
141 return 0;
142}
143
144static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata,
145 struct cfg80211_mbssid_config *params,
146 struct ieee80211_bss_conf *link_conf)
147{
148 struct ieee80211_sub_if_data *tx_sdata;
149 struct ieee80211_bss_conf *old;
150
151 link_conf->bssid_index = 0;
152 link_conf->nontransmitted = false;
153 link_conf->ema_ap = false;
154 link_conf->bssid_indicator = 0;
155
156 if (sdata->vif.type != NL80211_IFTYPE_AP || !params->tx_wdev)
157 return -EINVAL;
158
159 old = sdata_dereference(link_conf->tx_bss_conf, sdata);
160 if (old)
161 return -EALREADY;
162
163 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(wdev: params->tx_wdev);
164 if (!tx_sdata)
165 return -EINVAL;
166
167 if (tx_sdata == sdata) {
168 rcu_assign_pointer(link_conf->tx_bss_conf, link_conf);
169 } else {
170 struct ieee80211_bss_conf *tx_bss_conf;
171
172 tx_bss_conf = sdata_dereference(tx_sdata->vif.link_conf[params->tx_link_id],
173 sdata);
174 if (rcu_access_pointer(tx_bss_conf->tx_bss_conf) != tx_bss_conf)
175 return -EINVAL;
176
177 rcu_assign_pointer(link_conf->tx_bss_conf, tx_bss_conf);
178
179 link_conf->nontransmitted = true;
180 link_conf->bssid_index = params->index;
181 link_conf->bssid_indicator = tx_bss_conf->bssid_indicator;
182 }
183 if (params->ema)
184 link_conf->ema_ap = true;
185
186 return 0;
187}
188
189static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
190 const char *name,
191 unsigned char name_assign_type,
192 enum nl80211_iftype type,
193 struct vif_params *params)
194{
195 struct ieee80211_local *local = wiphy_priv(wiphy);
196 struct wireless_dev *wdev;
197 struct ieee80211_sub_if_data *sdata;
198 int err;
199
200 err = ieee80211_if_add(local, name, name_assign_type, new_wdev: &wdev, type, params);
201 if (err)
202 return ERR_PTR(error: err);
203
204 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
205
206 if (type == NL80211_IFTYPE_MONITOR) {
207 err = ieee80211_set_mon_options(sdata, params);
208 if (err) {
209 ieee80211_if_remove(sdata);
210 return NULL;
211 }
212 }
213
214 /* Let the driver know that an interface is going to be added.
215 * Indicate so only for interface types that will be added to the
216 * driver.
217 */
218 switch (type) {
219 case NL80211_IFTYPE_AP_VLAN:
220 break;
221 case NL80211_IFTYPE_MONITOR:
222 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) ||
223 !(params->flags & MONITOR_FLAG_ACTIVE))
224 break;
225 fallthrough;
226 default:
227 drv_prep_add_interface(local,
228 type: ieee80211_vif_type_p2p(vif: &sdata->vif));
229 break;
230 }
231
232 return wdev;
233}
234
235static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
236{
237 ieee80211_if_remove(sdata: IEEE80211_WDEV_TO_SUB_IF(wdev));
238
239 return 0;
240}
241
242static int ieee80211_change_iface(struct wiphy *wiphy,
243 struct net_device *dev,
244 enum nl80211_iftype type,
245 struct vif_params *params)
246{
247 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
248 struct ieee80211_local *local = sdata->local;
249 struct sta_info *sta;
250 int ret;
251
252 lockdep_assert_wiphy(local->hw.wiphy);
253
254 ret = ieee80211_if_change_type(sdata, type);
255 if (ret)
256 return ret;
257
258 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
259 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
260 ieee80211_check_fast_rx_iface(sdata);
261 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
262 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
263
264 if (params->use_4addr == ifmgd->use_4addr)
265 return 0;
266
267 /* FIXME: no support for 4-addr MLO yet */
268 if (ieee80211_vif_is_mld(vif: &sdata->vif))
269 return -EOPNOTSUPP;
270
271 sdata->u.mgd.use_4addr = params->use_4addr;
272 if (!ifmgd->associated)
273 return 0;
274
275 sta = sta_info_get(sdata, addr: sdata->deflink.u.mgd.bssid);
276 if (sta)
277 drv_sta_set_4addr(local, sdata, sta: &sta->sta,
278 enabled: params->use_4addr);
279
280 if (params->use_4addr)
281 ieee80211_send_4addr_nullfunc(local, sdata);
282 }
283
284 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
285 ret = ieee80211_set_mon_options(sdata, params);
286 if (ret)
287 return ret;
288 }
289
290 return 0;
291}
292
293static int ieee80211_start_p2p_device(struct wiphy *wiphy,
294 struct wireless_dev *wdev)
295{
296 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
297 int ret;
298
299 lockdep_assert_wiphy(sdata->local->hw.wiphy);
300
301 ret = ieee80211_check_combinations(sdata, NULL, chanmode: 0, radar_detect: 0, radio_idx: -1);
302 if (ret < 0)
303 return ret;
304
305 return ieee80211_do_open(wdev, coming_up: true);
306}
307
308static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
309 struct wireless_dev *wdev)
310{
311 ieee80211_sdata_stop(sdata: IEEE80211_WDEV_TO_SUB_IF(wdev));
312}
313
314static void ieee80211_nan_conf_free(struct cfg80211_nan_conf *conf)
315{
316 kfree(objp: conf->cluster_id);
317 kfree(objp: conf->extra_nan_attrs);
318 kfree(objp: conf->vendor_elems);
319 memset(s: conf, c: 0, n: sizeof(*conf));
320}
321
322static void ieee80211_stop_nan(struct wiphy *wiphy,
323 struct wireless_dev *wdev)
324{
325 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
326
327 if (!sdata->u.nan.started)
328 return;
329
330 drv_stop_nan(local: sdata->local, sdata);
331 sdata->u.nan.started = false;
332
333 ieee80211_nan_conf_free(conf: &sdata->u.nan.conf);
334
335 ieee80211_sdata_stop(sdata);
336 ieee80211_recalc_idle(local: sdata->local);
337}
338
339static int ieee80211_nan_conf_copy(struct cfg80211_nan_conf *dst,
340 struct cfg80211_nan_conf *src,
341 u32 changes)
342{
343 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
344 dst->master_pref = src->master_pref;
345
346 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
347 dst->bands = src->bands;
348
349 if (changes & CFG80211_NAN_CONF_CHANGED_CONFIG) {
350 dst->scan_period = src->scan_period;
351 dst->scan_dwell_time = src->scan_dwell_time;
352 dst->discovery_beacon_interval =
353 src->discovery_beacon_interval;
354 dst->enable_dw_notification = src->enable_dw_notification;
355 memcpy(to: &dst->band_cfgs, from: &src->band_cfgs,
356 len: sizeof(dst->band_cfgs));
357
358 kfree(objp: dst->cluster_id);
359 dst->cluster_id = NULL;
360
361 kfree(objp: dst->extra_nan_attrs);
362 dst->extra_nan_attrs = NULL;
363 dst->extra_nan_attrs_len = 0;
364
365 kfree(objp: dst->vendor_elems);
366 dst->vendor_elems = NULL;
367 dst->vendor_elems_len = 0;
368
369 if (src->cluster_id) {
370 dst->cluster_id = kmemdup(src->cluster_id, ETH_ALEN,
371 GFP_KERNEL);
372 if (!dst->cluster_id)
373 goto no_mem;
374 }
375
376 if (src->extra_nan_attrs && src->extra_nan_attrs_len) {
377 dst->extra_nan_attrs = kmemdup(src->extra_nan_attrs,
378 src->extra_nan_attrs_len,
379 GFP_KERNEL);
380 if (!dst->extra_nan_attrs)
381 goto no_mem;
382
383 dst->extra_nan_attrs_len = src->extra_nan_attrs_len;
384 }
385
386 if (src->vendor_elems && src->vendor_elems_len) {
387 dst->vendor_elems = kmemdup(src->vendor_elems,
388 src->vendor_elems_len,
389 GFP_KERNEL);
390 if (!dst->vendor_elems)
391 goto no_mem;
392
393 dst->vendor_elems_len = src->vendor_elems_len;
394 }
395 }
396
397 return 0;
398
399no_mem:
400 ieee80211_nan_conf_free(conf: dst);
401 return -ENOMEM;
402}
403
404static int ieee80211_start_nan(struct wiphy *wiphy,
405 struct wireless_dev *wdev,
406 struct cfg80211_nan_conf *conf)
407{
408 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
409 int ret;
410
411 lockdep_assert_wiphy(sdata->local->hw.wiphy);
412
413 if (sdata->u.nan.started)
414 return -EALREADY;
415
416 ret = ieee80211_check_combinations(sdata, NULL, chanmode: 0, radar_detect: 0, radio_idx: -1);
417 if (ret < 0)
418 return ret;
419
420 ret = ieee80211_do_open(wdev, coming_up: true);
421 if (ret)
422 return ret;
423
424 ret = drv_start_nan(local: sdata->local, sdata, conf);
425 if (ret) {
426 ieee80211_sdata_stop(sdata);
427 return ret;
428 }
429
430 sdata->u.nan.started = true;
431 ieee80211_recalc_idle(local: sdata->local);
432
433 ret = ieee80211_nan_conf_copy(dst: &sdata->u.nan.conf, src: conf, changes: 0xFFFFFFFF);
434 if (ret) {
435 ieee80211_stop_nan(wiphy, wdev);
436 return ret;
437 }
438
439 return 0;
440}
441
442static int ieee80211_nan_change_conf(struct wiphy *wiphy,
443 struct wireless_dev *wdev,
444 struct cfg80211_nan_conf *conf,
445 u32 changes)
446{
447 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
448 struct cfg80211_nan_conf new_conf = {};
449 int ret = 0;
450
451 if (sdata->vif.type != NL80211_IFTYPE_NAN)
452 return -EOPNOTSUPP;
453
454 if (!ieee80211_sdata_running(sdata))
455 return -ENETDOWN;
456
457 if (!changes)
458 return 0;
459
460 /* First make a full copy of the previous configuration and then apply
461 * the changes. This might be a little wasteful, but it is simpler.
462 */
463 ret = ieee80211_nan_conf_copy(dst: &new_conf, src: &sdata->u.nan.conf,
464 changes: 0xFFFFFFFF);
465 if (ret < 0)
466 return ret;
467
468 ret = ieee80211_nan_conf_copy(dst: &new_conf, src: conf, changes);
469 if (ret < 0)
470 return ret;
471
472 ret = drv_nan_change_conf(local: sdata->local, sdata, conf: &new_conf, changes);
473 if (ret) {
474 ieee80211_nan_conf_free(conf: &new_conf);
475 } else {
476 ieee80211_nan_conf_free(conf: &sdata->u.nan.conf);
477 sdata->u.nan.conf = new_conf;
478 }
479
480 return ret;
481}
482
483static int ieee80211_add_nan_func(struct wiphy *wiphy,
484 struct wireless_dev *wdev,
485 struct cfg80211_nan_func *nan_func)
486{
487 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
488 int ret;
489
490 if (sdata->vif.type != NL80211_IFTYPE_NAN)
491 return -EOPNOTSUPP;
492
493 if (!ieee80211_sdata_running(sdata))
494 return -ENETDOWN;
495
496 spin_lock_bh(lock: &sdata->u.nan.func_lock);
497
498 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
499 ptr: nan_func, start: 1, end: sdata->local->hw.max_nan_de_entries + 1,
500 GFP_ATOMIC);
501 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
502
503 if (ret < 0)
504 return ret;
505
506 nan_func->instance_id = ret;
507
508 WARN_ON(nan_func->instance_id == 0);
509
510 ret = drv_add_nan_func(local: sdata->local, sdata, nan_func);
511 if (ret) {
512 spin_lock_bh(lock: &sdata->u.nan.func_lock);
513 idr_remove(&sdata->u.nan.function_inst_ids,
514 id: nan_func->instance_id);
515 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
516 }
517
518 return ret;
519}
520
521static struct cfg80211_nan_func *
522ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
523 u64 cookie)
524{
525 struct cfg80211_nan_func *func;
526 int id;
527
528 lockdep_assert_held(&sdata->u.nan.func_lock);
529
530 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
531 if (func->cookie == cookie)
532 return func;
533 }
534
535 return NULL;
536}
537
538static void ieee80211_del_nan_func(struct wiphy *wiphy,
539 struct wireless_dev *wdev, u64 cookie)
540{
541 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
542 struct cfg80211_nan_func *func;
543 u8 instance_id = 0;
544
545 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
546 !ieee80211_sdata_running(sdata))
547 return;
548
549 spin_lock_bh(lock: &sdata->u.nan.func_lock);
550
551 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
552 if (func)
553 instance_id = func->instance_id;
554
555 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
556
557 if (instance_id)
558 drv_del_nan_func(local: sdata->local, sdata, instance_id);
559}
560
561static int ieee80211_set_noack_map(struct wiphy *wiphy,
562 struct net_device *dev,
563 u16 noack_map)
564{
565 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
566
567 sdata->noack_map = noack_map;
568
569 ieee80211_check_fast_xmit_iface(sdata);
570
571 return 0;
572}
573
574static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
575 const u8 *mac_addr, u8 key_idx)
576{
577 struct ieee80211_local *local = sdata->local;
578 struct ieee80211_key *key;
579 struct sta_info *sta;
580 int ret = -EINVAL;
581
582 if (!wiphy_ext_feature_isset(wiphy: local->hw.wiphy,
583 ftidx: NL80211_EXT_FEATURE_EXT_KEY_ID))
584 return -EINVAL;
585
586 sta = sta_info_get_bss(sdata, addr: mac_addr);
587
588 if (!sta)
589 return -EINVAL;
590
591 if (sta->ptk_idx == key_idx)
592 return 0;
593
594 key = wiphy_dereference(local->hw.wiphy, sta->ptk[key_idx]);
595
596 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
597 ret = ieee80211_set_tx_key(key);
598
599 return ret;
600}
601
602static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
603 int link_id, u8 key_idx, bool pairwise,
604 const u8 *mac_addr, struct key_params *params)
605{
606 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
607 struct ieee80211_link_data *link =
608 ieee80211_link_or_deflink(sdata, link_id, require_valid: false);
609 struct ieee80211_local *local = sdata->local;
610 struct sta_info *sta = NULL;
611 struct ieee80211_key *key;
612 int err;
613
614 lockdep_assert_wiphy(local->hw.wiphy);
615
616 if (!ieee80211_sdata_running(sdata))
617 return -ENETDOWN;
618
619 if (IS_ERR(ptr: link))
620 return PTR_ERR(ptr: link);
621
622 if (WARN_ON(pairwise && link_id >= 0))
623 return -EINVAL;
624
625 if (pairwise && params->mode == NL80211_KEY_SET_TX)
626 return ieee80211_set_tx(sdata, mac_addr, key_idx);
627
628 /* reject WEP and TKIP keys if WEP failed to initialize */
629 switch (params->cipher) {
630 case WLAN_CIPHER_SUITE_WEP40:
631 case WLAN_CIPHER_SUITE_TKIP:
632 case WLAN_CIPHER_SUITE_WEP104:
633 if (link_id >= 0)
634 return -EINVAL;
635 if (WARN_ON_ONCE(fips_enabled))
636 return -EINVAL;
637 break;
638 default:
639 break;
640 }
641
642 key = ieee80211_key_alloc(cipher: params->cipher, idx: key_idx, key_len: params->key_len,
643 key_data: params->key, seq_len: params->seq_len, seq: params->seq);
644 if (IS_ERR(ptr: key))
645 return PTR_ERR(ptr: key);
646
647 if (pairwise) {
648 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
649 key->conf.link_id = -1;
650 } else {
651 key->conf.link_id = link->link_id;
652 }
653
654 if (params->mode == NL80211_KEY_NO_TX)
655 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
656
657 if (mac_addr) {
658 sta = sta_info_get_bss(sdata, addr: mac_addr);
659 /*
660 * The ASSOC test makes sure the driver is ready to
661 * receive the key. When wpa_supplicant has roamed
662 * using FT, it attempts to set the key before
663 * association has completed, this rejects that attempt
664 * so it will set the key again after association.
665 *
666 * TODO: accept the key if we have a station entry and
667 * add it to the device after the station.
668 */
669 if (!sta || !test_sta_flag(sta, flag: WLAN_STA_ASSOC)) {
670 ieee80211_key_free_unused(key);
671 return -ENOENT;
672 }
673 }
674
675 switch (sdata->vif.type) {
676 case NL80211_IFTYPE_STATION:
677 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
678 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
679 break;
680 case NL80211_IFTYPE_AP:
681 case NL80211_IFTYPE_AP_VLAN:
682 /* Keys without a station are used for TX only */
683 if (sta && test_sta_flag(sta, flag: WLAN_STA_MFP))
684 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
685 break;
686 case NL80211_IFTYPE_ADHOC:
687 /* no MFP (yet) */
688 break;
689 case NL80211_IFTYPE_MESH_POINT:
690#ifdef CONFIG_MAC80211_MESH
691 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
692 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
693 break;
694#endif
695 case NL80211_IFTYPE_WDS:
696 case NL80211_IFTYPE_MONITOR:
697 case NL80211_IFTYPE_P2P_DEVICE:
698 case NL80211_IFTYPE_NAN:
699 case NL80211_IFTYPE_UNSPECIFIED:
700 case NUM_NL80211_IFTYPES:
701 case NL80211_IFTYPE_P2P_CLIENT:
702 case NL80211_IFTYPE_P2P_GO:
703 case NL80211_IFTYPE_OCB:
704 /* shouldn't happen */
705 WARN_ON_ONCE(1);
706 break;
707 }
708
709 err = ieee80211_key_link(key, link, sta);
710 /* KRACK protection, shouldn't happen but just silently accept key */
711 if (err == -EALREADY)
712 err = 0;
713
714 return err;
715}
716
717static struct ieee80211_key *
718ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id,
719 u8 key_idx, bool pairwise, const u8 *mac_addr)
720{
721 struct ieee80211_local *local __maybe_unused = sdata->local;
722 struct ieee80211_link_data *link = &sdata->deflink;
723 struct ieee80211_key *key;
724
725 if (link_id >= 0) {
726 link = sdata_dereference(sdata->link[link_id], sdata);
727 if (!link)
728 return NULL;
729 }
730
731 if (mac_addr) {
732 struct sta_info *sta;
733 struct link_sta_info *link_sta;
734
735 sta = sta_info_get_bss(sdata, addr: mac_addr);
736 if (!sta)
737 return NULL;
738
739 if (link_id >= 0) {
740 link_sta = rcu_dereference_check(sta->link[link_id],
741 lockdep_is_held(&local->hw.wiphy->mtx));
742 if (!link_sta)
743 return NULL;
744 } else {
745 link_sta = &sta->deflink;
746 }
747
748 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
749 return wiphy_dereference(local->hw.wiphy,
750 sta->ptk[key_idx]);
751
752 if (!pairwise &&
753 key_idx < NUM_DEFAULT_KEYS +
754 NUM_DEFAULT_MGMT_KEYS +
755 NUM_DEFAULT_BEACON_KEYS)
756 return wiphy_dereference(local->hw.wiphy,
757 link_sta->gtk[key_idx]);
758
759 return NULL;
760 }
761
762 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
763 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);
764
765 key = wiphy_dereference(local->hw.wiphy, link->gtk[key_idx]);
766 if (key)
767 return key;
768
769 /* or maybe it was a WEP key */
770 if (key_idx < NUM_DEFAULT_KEYS)
771 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);
772
773 return NULL;
774}
775
776static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
777 int link_id, u8 key_idx, bool pairwise,
778 const u8 *mac_addr)
779{
780 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
781 struct ieee80211_local *local = sdata->local;
782 struct ieee80211_key *key;
783
784 lockdep_assert_wiphy(local->hw.wiphy);
785
786 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
787 if (!key)
788 return -ENOENT;
789
790 ieee80211_key_free(key, delay_tailroom: sdata->vif.type == NL80211_IFTYPE_STATION);
791
792 return 0;
793}
794
795static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
796 int link_id, u8 key_idx, bool pairwise,
797 const u8 *mac_addr, void *cookie,
798 void (*callback)(void *cookie,
799 struct key_params *params))
800{
801 struct ieee80211_sub_if_data *sdata;
802 u8 seq[6] = {0};
803 struct key_params params;
804 struct ieee80211_key *key;
805 u64 pn64;
806 u32 iv32;
807 u16 iv16;
808 int err = -ENOENT;
809 struct ieee80211_key_seq kseq = {};
810
811 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
812
813 rcu_read_lock();
814
815 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
816 if (!key)
817 goto out;
818
819 memset(s: &params, c: 0, n: sizeof(params));
820
821 params.cipher = key->conf.cipher;
822
823 switch (key->conf.cipher) {
824 case WLAN_CIPHER_SUITE_TKIP:
825 pn64 = atomic64_read(v: &key->conf.tx_pn);
826 iv32 = TKIP_PN_TO_IV32(pn64);
827 iv16 = TKIP_PN_TO_IV16(pn64);
828
829 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
830 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
831 drv_get_key_seq(local: sdata->local, key, seq: &kseq);
832 iv32 = kseq.tkip.iv32;
833 iv16 = kseq.tkip.iv16;
834 }
835
836 seq[0] = iv16 & 0xff;
837 seq[1] = (iv16 >> 8) & 0xff;
838 seq[2] = iv32 & 0xff;
839 seq[3] = (iv32 >> 8) & 0xff;
840 seq[4] = (iv32 >> 16) & 0xff;
841 seq[5] = (iv32 >> 24) & 0xff;
842 params.seq = seq;
843 params.seq_len = 6;
844 break;
845 case WLAN_CIPHER_SUITE_CCMP:
846 case WLAN_CIPHER_SUITE_CCMP_256:
847 case WLAN_CIPHER_SUITE_AES_CMAC:
848 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
849 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
850 offsetof(typeof(kseq), aes_cmac));
851 fallthrough;
852 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
853 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
854 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
855 offsetof(typeof(kseq), aes_gmac));
856 fallthrough;
857 case WLAN_CIPHER_SUITE_GCMP:
858 case WLAN_CIPHER_SUITE_GCMP_256:
859 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
860 offsetof(typeof(kseq), gcmp));
861
862 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
863 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
864 drv_get_key_seq(local: sdata->local, key, seq: &kseq);
865 memcpy(to: seq, from: kseq.ccmp.pn, len: 6);
866 } else {
867 pn64 = atomic64_read(v: &key->conf.tx_pn);
868 seq[0] = pn64;
869 seq[1] = pn64 >> 8;
870 seq[2] = pn64 >> 16;
871 seq[3] = pn64 >> 24;
872 seq[4] = pn64 >> 32;
873 seq[5] = pn64 >> 40;
874 }
875 params.seq = seq;
876 params.seq_len = 6;
877 break;
878 default:
879 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
880 break;
881 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
882 break;
883 drv_get_key_seq(local: sdata->local, key, seq: &kseq);
884 params.seq = kseq.hw.seq;
885 params.seq_len = kseq.hw.seq_len;
886 break;
887 }
888
889 callback(cookie, &params);
890 err = 0;
891
892 out:
893 rcu_read_unlock();
894 return err;
895}
896
897static int ieee80211_config_default_key(struct wiphy *wiphy,
898 struct net_device *dev,
899 int link_id, u8 key_idx, bool uni,
900 bool multi)
901{
902 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
903 struct ieee80211_link_data *link =
904 ieee80211_link_or_deflink(sdata, link_id, require_valid: false);
905
906 if (IS_ERR(ptr: link))
907 return PTR_ERR(ptr: link);
908
909 ieee80211_set_default_key(link, idx: key_idx, uni, multi);
910
911 return 0;
912}
913
914static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
915 struct net_device *dev,
916 int link_id, u8 key_idx)
917{
918 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
919 struct ieee80211_link_data *link =
920 ieee80211_link_or_deflink(sdata, link_id, require_valid: true);
921
922 if (IS_ERR(ptr: link))
923 return PTR_ERR(ptr: link);
924
925 ieee80211_set_default_mgmt_key(link, idx: key_idx);
926
927 return 0;
928}
929
930static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
931 struct net_device *dev,
932 int link_id, u8 key_idx)
933{
934 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
935 struct ieee80211_link_data *link =
936 ieee80211_link_or_deflink(sdata, link_id, require_valid: true);
937
938 if (IS_ERR(ptr: link))
939 return PTR_ERR(ptr: link);
940
941 ieee80211_set_default_beacon_key(link, idx: key_idx);
942
943 return 0;
944}
945
946void sta_set_rate_info_tx(struct sta_info *sta,
947 const struct ieee80211_tx_rate *rate,
948 struct rate_info *rinfo)
949{
950 rinfo->flags = 0;
951 if (rate->flags & IEEE80211_TX_RC_MCS) {
952 rinfo->flags |= RATE_INFO_FLAGS_MCS;
953 rinfo->mcs = rate->idx;
954 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
955 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
956 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
957 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
958 } else {
959 struct ieee80211_supported_band *sband;
960
961 sband = ieee80211_get_sband(sdata: sta->sdata);
962 WARN_ON_ONCE(sband && !sband->bitrates);
963 if (sband && sband->bitrates)
964 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
965 }
966 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
967 rinfo->bw = RATE_INFO_BW_40;
968 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
969 rinfo->bw = RATE_INFO_BW_80;
970 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
971 rinfo->bw = RATE_INFO_BW_160;
972 else
973 rinfo->bw = RATE_INFO_BW_20;
974 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
975 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
976}
977
978static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
979 int idx, u8 *mac, struct station_info *sinfo)
980{
981 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
982 struct ieee80211_local *local = sdata->local;
983 struct sta_info *sta;
984 int ret = -ENOENT;
985
986 lockdep_assert_wiphy(local->hw.wiphy);
987
988 sta = sta_info_get_by_idx(sdata, idx);
989 if (sta) {
990 ret = 0;
991 memcpy(to: mac, from: sta->sta.addr, ETH_ALEN);
992 sta_set_sinfo(sta, sinfo, tidstats: true);
993
994 /* Add accumulated removed link data to sinfo data for
995 * consistency for MLO
996 */
997 if (sinfo->valid_links)
998 sta_set_accumulated_removed_links_sinfo(sta, sinfo);
999
1000 }
1001
1002 return ret;
1003}
1004
1005static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1006 int idx, struct survey_info *survey)
1007{
1008 struct ieee80211_local *local = wdev_priv(wdev: dev->ieee80211_ptr);
1009
1010 return drv_get_survey(local, idx, survey);
1011}
1012
1013static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1014 const u8 *mac, struct station_info *sinfo)
1015{
1016 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1017 struct ieee80211_local *local = sdata->local;
1018 struct sta_info *sta;
1019 int ret = -ENOENT;
1020
1021 lockdep_assert_wiphy(local->hw.wiphy);
1022
1023 sta = sta_info_get_bss(sdata, addr: mac);
1024 if (sta) {
1025 ret = 0;
1026 sta_set_sinfo(sta, sinfo, tidstats: true);
1027
1028 /* Add accumulated removed link data to sinfo data for
1029 * consistency for MLO
1030 */
1031 if (sinfo->valid_links)
1032 sta_set_accumulated_removed_links_sinfo(sta, sinfo);
1033 }
1034
1035 return ret;
1036}
1037
1038static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
1039 struct net_device *dev,
1040 struct cfg80211_chan_def *chandef)
1041{
1042 struct ieee80211_local *local = wiphy_priv(wiphy);
1043 struct ieee80211_sub_if_data *sdata;
1044 struct ieee80211_chan_req chanreq = { .oper = *chandef };
1045 int ret;
1046
1047 lockdep_assert_wiphy(local->hw.wiphy);
1048
1049 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1050 if (!ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
1051 if (cfg80211_chandef_identical(chandef1: &local->monitor_chanreq.oper,
1052 chandef2: &chanreq.oper))
1053 return 0;
1054
1055 sdata = wiphy_dereference(wiphy, local->monitor_sdata);
1056 if (!sdata)
1057 goto done;
1058 }
1059
1060 if (rcu_access_pointer(sdata->deflink.conf->chanctx_conf) &&
1061 cfg80211_chandef_identical(chandef1: &sdata->vif.bss_conf.chanreq.oper,
1062 chandef2: &chanreq.oper))
1063 return 0;
1064
1065 ieee80211_link_release_channel(link: &sdata->deflink);
1066 ret = ieee80211_link_use_channel(link: &sdata->deflink, req: &chanreq,
1067 mode: IEEE80211_CHANCTX_SHARED);
1068 if (ret)
1069 return ret;
1070done:
1071 local->monitor_chanreq = chanreq;
1072 return 0;
1073}
1074
1075static int
1076ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
1077 const u8 *resp, size_t resp_len,
1078 const struct ieee80211_csa_settings *csa,
1079 const struct ieee80211_color_change_settings *cca,
1080 struct ieee80211_link_data *link)
1081{
1082 struct probe_resp *new, *old;
1083
1084 if (!resp || !resp_len)
1085 return 1;
1086
1087 old = sdata_dereference(link->u.ap.probe_resp, sdata);
1088
1089 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
1090 if (!new)
1091 return -ENOMEM;
1092
1093 new->len = resp_len;
1094 memcpy(to: new->data, from: resp, len: resp_len);
1095
1096 if (csa)
1097 memcpy(to: new->cntdwn_counter_offsets, from: csa->counter_offsets_presp,
1098 len: csa->n_counter_offsets_presp *
1099 sizeof(new->cntdwn_counter_offsets[0]));
1100 else if (cca)
1101 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp;
1102
1103 rcu_assign_pointer(link->u.ap.probe_resp, new);
1104 if (old)
1105 kfree_rcu(old, rcu_head);
1106
1107 return 0;
1108}
1109
1110static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
1111 struct cfg80211_fils_discovery *params,
1112 struct ieee80211_link_data *link,
1113 struct ieee80211_bss_conf *link_conf,
1114 u64 *changed)
1115{
1116 struct fils_discovery_data *new, *old = NULL;
1117 struct ieee80211_fils_discovery *fd;
1118
1119 if (!params->update)
1120 return 0;
1121
1122 fd = &link_conf->fils_discovery;
1123 fd->min_interval = params->min_interval;
1124 fd->max_interval = params->max_interval;
1125
1126 old = sdata_dereference(link->u.ap.fils_discovery, sdata);
1127 if (old)
1128 kfree_rcu(old, rcu_head);
1129
1130 if (params->tmpl && params->tmpl_len) {
1131 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
1132 if (!new)
1133 return -ENOMEM;
1134 new->len = params->tmpl_len;
1135 memcpy(to: new->data, from: params->tmpl, len: params->tmpl_len);
1136 rcu_assign_pointer(link->u.ap.fils_discovery, new);
1137 } else {
1138 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
1139 }
1140
1141 *changed |= BSS_CHANGED_FILS_DISCOVERY;
1142 return 0;
1143}
1144
1145static int
1146ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
1147 struct cfg80211_unsol_bcast_probe_resp *params,
1148 struct ieee80211_link_data *link,
1149 struct ieee80211_bss_conf *link_conf,
1150 u64 *changed)
1151{
1152 struct unsol_bcast_probe_resp_data *new, *old = NULL;
1153
1154 if (!params->update)
1155 return 0;
1156
1157 link_conf->unsol_bcast_probe_resp_interval = params->interval;
1158
1159 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata);
1160 if (old)
1161 kfree_rcu(old, rcu_head);
1162
1163 if (params->tmpl && params->tmpl_len) {
1164 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
1165 if (!new)
1166 return -ENOMEM;
1167 new->len = params->tmpl_len;
1168 memcpy(to: new->data, from: params->tmpl, len: params->tmpl_len);
1169 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new);
1170 } else {
1171 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
1172 }
1173
1174 *changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1175 return 0;
1176}
1177
1178static int
1179ieee80211_set_s1g_short_beacon(struct ieee80211_sub_if_data *sdata,
1180 struct ieee80211_link_data *link,
1181 struct cfg80211_s1g_short_beacon *params)
1182{
1183 struct s1g_short_beacon_data *new;
1184 struct s1g_short_beacon_data *old =
1185 sdata_dereference(link->u.ap.s1g_short_beacon, sdata);
1186 size_t new_len =
1187 sizeof(*new) + params->short_head_len + params->short_tail_len;
1188
1189 if (!params->update)
1190 return 0;
1191
1192 if (!params->short_head)
1193 return -EINVAL;
1194
1195 new = kzalloc(new_len, GFP_KERNEL);
1196 if (!new)
1197 return -ENOMEM;
1198
1199 /* Memory layout: | struct | head | tail | */
1200 new->short_head = (u8 *)new + sizeof(*new);
1201 new->short_head_len = params->short_head_len;
1202 memcpy(to: new->short_head, from: params->short_head, len: params->short_head_len);
1203
1204 if (params->short_tail) {
1205 new->short_tail = new->short_head + params->short_head_len;
1206 new->short_tail_len = params->short_tail_len;
1207 memcpy(to: new->short_tail, from: params->short_tail,
1208 len: params->short_tail_len);
1209 }
1210
1211 rcu_assign_pointer(link->u.ap.s1g_short_beacon, new);
1212
1213 if (old)
1214 kfree_rcu(old, rcu_head);
1215
1216 return 0;
1217}
1218
1219static int ieee80211_set_ftm_responder_params(
1220 struct ieee80211_sub_if_data *sdata,
1221 const u8 *lci, size_t lci_len,
1222 const u8 *civicloc, size_t civicloc_len,
1223 struct ieee80211_bss_conf *link_conf)
1224{
1225 struct ieee80211_ftm_responder_params *new, *old;
1226 u8 *pos;
1227 int len;
1228
1229 if (!lci_len && !civicloc_len)
1230 return 0;
1231
1232 old = link_conf->ftmr_params;
1233 len = lci_len + civicloc_len;
1234
1235 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
1236 if (!new)
1237 return -ENOMEM;
1238
1239 pos = (u8 *)(new + 1);
1240 if (lci_len) {
1241 new->lci_len = lci_len;
1242 new->lci = pos;
1243 memcpy(to: pos, from: lci, len: lci_len);
1244 pos += lci_len;
1245 }
1246
1247 if (civicloc_len) {
1248 new->civicloc_len = civicloc_len;
1249 new->civicloc = pos;
1250 memcpy(to: pos, from: civicloc, len: civicloc_len);
1251 pos += civicloc_len;
1252 }
1253
1254 link_conf->ftmr_params = new;
1255 kfree(objp: old);
1256
1257 return 0;
1258}
1259
1260static int
1261ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst,
1262 struct cfg80211_mbssid_elems *src)
1263{
1264 int i, offset = 0;
1265
1266 dst->cnt = src->cnt;
1267 for (i = 0; i < src->cnt; i++) {
1268 memcpy(to: pos + offset, from: src->elem[i].data, len: src->elem[i].len);
1269 dst->elem[i].len = src->elem[i].len;
1270 dst->elem[i].data = pos + offset;
1271 offset += dst->elem[i].len;
1272 }
1273
1274 return offset;
1275}
1276
1277static int
1278ieee80211_copy_rnr_beacon(u8 *pos, struct cfg80211_rnr_elems *dst,
1279 struct cfg80211_rnr_elems *src)
1280{
1281 int i, offset = 0;
1282
1283 dst->cnt = src->cnt;
1284 for (i = 0; i < src->cnt; i++) {
1285 memcpy(to: pos + offset, from: src->elem[i].data, len: src->elem[i].len);
1286 dst->elem[i].len = src->elem[i].len;
1287 dst->elem[i].data = pos + offset;
1288 offset += dst->elem[i].len;
1289 }
1290
1291 return offset;
1292}
1293
1294static int
1295ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
1296 struct ieee80211_link_data *link,
1297 struct cfg80211_beacon_data *params,
1298 const struct ieee80211_csa_settings *csa,
1299 const struct ieee80211_color_change_settings *cca,
1300 u64 *changed)
1301{
1302 struct cfg80211_mbssid_elems *mbssid = NULL;
1303 struct cfg80211_rnr_elems *rnr = NULL;
1304 struct beacon_data *new, *old;
1305 int new_head_len, new_tail_len;
1306 int size, err;
1307 u64 _changed = BSS_CHANGED_BEACON;
1308 struct ieee80211_bss_conf *link_conf = link->conf;
1309
1310 old = sdata_dereference(link->u.ap.beacon, sdata);
1311
1312 /* Need to have a beacon head if we don't have one yet */
1313 if (!params->head && !old)
1314 return -EINVAL;
1315
1316 /* new or old head? */
1317 if (params->head)
1318 new_head_len = params->head_len;
1319 else
1320 new_head_len = old->head_len;
1321
1322 /* new or old tail? */
1323 if (params->tail || !old)
1324 /* params->tail_len will be zero for !params->tail */
1325 new_tail_len = params->tail_len;
1326 else
1327 new_tail_len = old->tail_len;
1328
1329 size = sizeof(*new) + new_head_len + new_tail_len;
1330
1331 /* new or old multiple BSSID elements? */
1332 if (params->mbssid_ies) {
1333 mbssid = params->mbssid_ies;
1334 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1335 if (params->rnr_ies) {
1336 rnr = params->rnr_ies;
1337 size += struct_size(new->rnr_ies, elem, rnr->cnt);
1338 }
1339 size += ieee80211_get_mbssid_beacon_len(elems: mbssid, rnr_elems: rnr,
1340 i: mbssid->cnt);
1341 } else if (old && old->mbssid_ies) {
1342 mbssid = old->mbssid_ies;
1343 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1344 if (old && old->rnr_ies) {
1345 rnr = old->rnr_ies;
1346 size += struct_size(new->rnr_ies, elem, rnr->cnt);
1347 }
1348 size += ieee80211_get_mbssid_beacon_len(elems: mbssid, rnr_elems: rnr,
1349 i: mbssid->cnt);
1350 }
1351
1352 new = kzalloc(size, GFP_KERNEL);
1353 if (!new)
1354 return -ENOMEM;
1355
1356 /* start filling the new info now */
1357
1358 /*
1359 * pointers go into the block we allocated,
1360 * memory is | beacon_data | head | tail | mbssid_ies | rnr_ies
1361 */
1362 new->head = ((u8 *) new) + sizeof(*new);
1363 new->tail = new->head + new_head_len;
1364 new->head_len = new_head_len;
1365 new->tail_len = new_tail_len;
1366 /* copy in optional mbssid_ies */
1367 if (mbssid) {
1368 u8 *pos = new->tail + new->tail_len;
1369
1370 new->mbssid_ies = (void *)pos;
1371 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1372 pos += ieee80211_copy_mbssid_beacon(pos, dst: new->mbssid_ies,
1373 src: mbssid);
1374 if (rnr) {
1375 new->rnr_ies = (void *)pos;
1376 pos += struct_size(new->rnr_ies, elem, rnr->cnt);
1377 ieee80211_copy_rnr_beacon(pos, dst: new->rnr_ies, src: rnr);
1378 }
1379 /* update bssid_indicator */
1380 if (new->mbssid_ies->cnt && new->mbssid_ies->elem[0].len > 2)
1381 link_conf->bssid_indicator =
1382 *(new->mbssid_ies->elem[0].data + 2);
1383 else
1384 link_conf->bssid_indicator = 0;
1385 }
1386
1387 if (csa) {
1388 new->cntdwn_current_counter = csa->count;
1389 memcpy(to: new->cntdwn_counter_offsets, from: csa->counter_offsets_beacon,
1390 len: csa->n_counter_offsets_beacon *
1391 sizeof(new->cntdwn_counter_offsets[0]));
1392 } else if (cca) {
1393 new->cntdwn_current_counter = cca->count;
1394 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon;
1395 }
1396
1397 /* copy in head */
1398 if (params->head)
1399 memcpy(to: new->head, from: params->head, len: new_head_len);
1400 else
1401 memcpy(to: new->head, from: old->head, len: new_head_len);
1402
1403 /* copy in optional tail */
1404 if (params->tail)
1405 memcpy(to: new->tail, from: params->tail, len: new_tail_len);
1406 else
1407 if (old)
1408 memcpy(to: new->tail, from: old->tail, len: new_tail_len);
1409
1410 err = ieee80211_set_probe_resp(sdata, resp: params->probe_resp,
1411 resp_len: params->probe_resp_len, csa, cca, link);
1412 if (err < 0) {
1413 kfree(objp: new);
1414 return err;
1415 }
1416 if (err == 0)
1417 _changed |= BSS_CHANGED_AP_PROBE_RESP;
1418
1419 if (params->ftm_responder != -1) {
1420 link_conf->ftm_responder = params->ftm_responder;
1421 err = ieee80211_set_ftm_responder_params(sdata,
1422 lci: params->lci,
1423 lci_len: params->lci_len,
1424 civicloc: params->civicloc,
1425 civicloc_len: params->civicloc_len,
1426 link_conf);
1427
1428 if (err < 0) {
1429 kfree(objp: new);
1430 return err;
1431 }
1432
1433 _changed |= BSS_CHANGED_FTM_RESPONDER;
1434 }
1435
1436 rcu_assign_pointer(link->u.ap.beacon, new);
1437 sdata->u.ap.active = true;
1438
1439 if (old)
1440 kfree_rcu(old, rcu_head);
1441
1442 *changed |= _changed;
1443 return 0;
1444}
1445
1446static u8 ieee80211_num_beaconing_links(struct ieee80211_sub_if_data *sdata)
1447{
1448 struct ieee80211_link_data *link;
1449 u8 link_id, num = 0;
1450
1451 if (sdata->vif.type != NL80211_IFTYPE_AP &&
1452 sdata->vif.type != NL80211_IFTYPE_P2P_GO)
1453 return num;
1454
1455 /* non-MLO mode of operation also uses link_id 0 in sdata so it is
1456 * safe to directly proceed with the below loop
1457 */
1458 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
1459 link = sdata_dereference(sdata->link[link_id], sdata);
1460 if (!link)
1461 continue;
1462
1463 if (sdata_dereference(link->u.ap.beacon, sdata))
1464 num++;
1465 }
1466
1467 return num;
1468}
1469
1470static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1471 struct cfg80211_ap_settings *params)
1472{
1473 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1474 struct ieee80211_local *local = sdata->local;
1475 struct beacon_data *old;
1476 struct ieee80211_sub_if_data *vlan;
1477 u64 changed = BSS_CHANGED_BEACON_INT |
1478 BSS_CHANGED_BEACON_ENABLED |
1479 BSS_CHANGED_BEACON |
1480 BSS_CHANGED_P2P_PS |
1481 BSS_CHANGED_TXPOWER |
1482 BSS_CHANGED_TWT;
1483 int i, err;
1484 int prev_beacon_int;
1485 unsigned int link_id = params->beacon.link_id;
1486 struct ieee80211_link_data *link;
1487 struct ieee80211_bss_conf *link_conf;
1488 struct ieee80211_chan_req chanreq = { .oper = params->chandef };
1489 u64 tsf;
1490
1491 lockdep_assert_wiphy(local->hw.wiphy);
1492
1493 link = sdata_dereference(sdata->link[link_id], sdata);
1494 if (!link)
1495 return -ENOLINK;
1496
1497 link_conf = link->conf;
1498
1499 old = sdata_dereference(link->u.ap.beacon, sdata);
1500 if (old)
1501 return -EALREADY;
1502
1503 link->smps_mode = IEEE80211_SMPS_OFF;
1504
1505 link->needed_rx_chains = sdata->local->rx_chains;
1506
1507 prev_beacon_int = link_conf->beacon_int;
1508 link_conf->beacon_int = params->beacon_interval;
1509
1510 if (params->ht_cap)
1511 link_conf->ht_ldpc =
1512 params->ht_cap->cap_info &
1513 cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING);
1514
1515 if (params->vht_cap) {
1516 link_conf->vht_ldpc =
1517 params->vht_cap->vht_cap_info &
1518 cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC);
1519 link_conf->vht_su_beamformer =
1520 params->vht_cap->vht_cap_info &
1521 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
1522 link_conf->vht_su_beamformee =
1523 params->vht_cap->vht_cap_info &
1524 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
1525 link_conf->vht_mu_beamformer =
1526 params->vht_cap->vht_cap_info &
1527 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
1528 link_conf->vht_mu_beamformee =
1529 params->vht_cap->vht_cap_info &
1530 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
1531 }
1532
1533 if (params->he_cap && params->he_oper) {
1534 link_conf->he_support = true;
1535 link_conf->htc_trig_based_pkt_ext =
1536 le32_get_bits(v: params->he_oper->he_oper_params,
1537 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1538 link_conf->frame_time_rts_th =
1539 le32_get_bits(v: params->he_oper->he_oper_params,
1540 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1541 changed |= BSS_CHANGED_HE_OBSS_PD;
1542
1543 if (params->beacon.he_bss_color.enabled)
1544 changed |= BSS_CHANGED_HE_BSS_COLOR;
1545 }
1546
1547 if (params->he_cap) {
1548 link_conf->he_ldpc =
1549 params->he_cap->phy_cap_info[1] &
1550 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
1551 link_conf->he_su_beamformer =
1552 params->he_cap->phy_cap_info[3] &
1553 IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
1554 link_conf->he_su_beamformee =
1555 params->he_cap->phy_cap_info[4] &
1556 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE;
1557 link_conf->he_mu_beamformer =
1558 params->he_cap->phy_cap_info[4] &
1559 IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
1560 link_conf->he_full_ul_mumimo =
1561 params->he_cap->phy_cap_info[2] &
1562 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO;
1563 }
1564
1565 if (params->eht_cap) {
1566 if (!link_conf->he_support)
1567 return -EOPNOTSUPP;
1568
1569 link_conf->eht_support = true;
1570
1571 link_conf->eht_su_beamformer =
1572 params->eht_cap->fixed.phy_cap_info[0] &
1573 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER;
1574 link_conf->eht_su_beamformee =
1575 params->eht_cap->fixed.phy_cap_info[0] &
1576 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
1577 link_conf->eht_mu_beamformer =
1578 params->eht_cap->fixed.phy_cap_info[7] &
1579 (IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
1580 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
1581 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ);
1582 link_conf->eht_80mhz_full_bw_ul_mumimo =
1583 params->eht_cap->fixed.phy_cap_info[7] &
1584 (IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
1585 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
1586 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ);
1587 link_conf->eht_disable_mcs15 =
1588 u8_get_bits(v: params->eht_oper->params,
1589 IEEE80211_EHT_OPER_MCS15_DISABLE);
1590 } else {
1591 link_conf->eht_su_beamformer = false;
1592 link_conf->eht_su_beamformee = false;
1593 link_conf->eht_mu_beamformer = false;
1594 }
1595
1596 if (sdata->vif.type == NL80211_IFTYPE_AP &&
1597 params->mbssid_config.tx_wdev) {
1598 err = ieee80211_set_ap_mbssid_options(sdata,
1599 params: &params->mbssid_config,
1600 link_conf);
1601 if (err)
1602 return err;
1603 }
1604
1605 err = ieee80211_link_use_channel(link, req: &chanreq,
1606 mode: IEEE80211_CHANCTX_SHARED);
1607 if (!err)
1608 ieee80211_link_copy_chanctx_to_vlans(link, clear: false);
1609 if (err) {
1610 link_conf->beacon_int = prev_beacon_int;
1611 return err;
1612 }
1613
1614 /*
1615 * Apply control port protocol, this allows us to
1616 * not encrypt dynamic WEP control frames.
1617 */
1618 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1619 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1620 sdata->control_port_over_nl80211 =
1621 params->crypto.control_port_over_nl80211;
1622 sdata->control_port_no_preauth =
1623 params->crypto.control_port_no_preauth;
1624
1625 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1626 vlan->control_port_protocol =
1627 params->crypto.control_port_ethertype;
1628 vlan->control_port_no_encrypt =
1629 params->crypto.control_port_no_encrypt;
1630 vlan->control_port_over_nl80211 =
1631 params->crypto.control_port_over_nl80211;
1632 vlan->control_port_no_preauth =
1633 params->crypto.control_port_no_preauth;
1634 }
1635
1636 link_conf->dtim_period = params->dtim_period;
1637 link_conf->enable_beacon = true;
1638 link_conf->allow_p2p_go_ps = sdata->vif.p2p;
1639 link_conf->twt_responder = params->twt_responder;
1640 link_conf->he_obss_pd = params->he_obss_pd;
1641 link_conf->he_bss_color = params->beacon.he_bss_color;
1642 link_conf->s1g_long_beacon_period = params->s1g_long_beacon_period;
1643 sdata->vif.cfg.s1g = params->chandef.chan->band == NL80211_BAND_S1GHZ;
1644
1645 sdata->vif.cfg.ssid_len = params->ssid_len;
1646 if (params->ssid_len)
1647 memcpy(to: sdata->vif.cfg.ssid, from: params->ssid,
1648 len: params->ssid_len);
1649 link_conf->hidden_ssid =
1650 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1651
1652 memset(s: &link_conf->p2p_noa_attr, c: 0,
1653 n: sizeof(link_conf->p2p_noa_attr));
1654 link_conf->p2p_noa_attr.oppps_ctwindow =
1655 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1656 if (params->p2p_opp_ps)
1657 link_conf->p2p_noa_attr.oppps_ctwindow |=
1658 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1659
1660 sdata->beacon_rate_set = false;
1661 if (wiphy_ext_feature_isset(wiphy: local->hw.wiphy,
1662 ftidx: NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1663 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1664 sdata->beacon_rateidx_mask[i] =
1665 params->beacon_rate.control[i].legacy;
1666 if (sdata->beacon_rateidx_mask[i])
1667 sdata->beacon_rate_set = true;
1668 }
1669 }
1670
1671 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1672 link_conf->beacon_tx_rate = params->beacon_rate;
1673
1674 err = ieee80211_assign_beacon(sdata, link, params: &params->beacon, NULL, NULL,
1675 changed: &changed);
1676 if (err < 0)
1677 goto error;
1678
1679 err = ieee80211_set_fils_discovery(sdata, params: &params->fils_discovery,
1680 link, link_conf, changed: &changed);
1681 if (err < 0)
1682 goto error;
1683
1684 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1685 params: &params->unsol_bcast_probe_resp,
1686 link, link_conf, changed: &changed);
1687 if (err < 0)
1688 goto error;
1689
1690 if (sdata->vif.cfg.s1g) {
1691 err = ieee80211_set_s1g_short_beacon(sdata, link,
1692 params: &params->s1g_short_beacon);
1693 if (err < 0)
1694 goto error;
1695 }
1696
1697 err = drv_start_ap(local: sdata->local, sdata, link_conf);
1698 if (err) {
1699 old = sdata_dereference(link->u.ap.beacon, sdata);
1700
1701 if (old)
1702 kfree_rcu(old, rcu_head);
1703 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1704
1705 if (ieee80211_num_beaconing_links(sdata) == 0)
1706 sdata->u.ap.active = false;
1707
1708 goto error;
1709 }
1710
1711 tsf = drv_get_tsf(local, sdata);
1712 ieee80211_recalc_dtim(sdata, tsf);
1713
1714 if (link->u.ap.s1g_short_beacon)
1715 ieee80211_recalc_sb_count(sdata, tsf);
1716
1717 ieee80211_vif_cfg_change_notify(sdata, changed: BSS_CHANGED_SSID);
1718 ieee80211_link_info_change_notify(sdata, link, changed);
1719
1720 if (ieee80211_num_beaconing_links(sdata) <= 1)
1721 netif_carrier_on(dev);
1722
1723 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1724 netif_carrier_on(dev: vlan->dev);
1725
1726 return 0;
1727
1728error:
1729 ieee80211_link_release_channel(link);
1730
1731 return err;
1732}
1733
1734static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1735 struct cfg80211_ap_update *params)
1736
1737{
1738 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1739 struct ieee80211_link_data *link;
1740 struct cfg80211_beacon_data *beacon = &params->beacon;
1741 struct beacon_data *old;
1742 int err;
1743 struct ieee80211_bss_conf *link_conf;
1744 u64 changed = 0;
1745
1746 lockdep_assert_wiphy(wiphy);
1747
1748 link = sdata_dereference(sdata->link[beacon->link_id], sdata);
1749 if (!link)
1750 return -ENOLINK;
1751
1752 link_conf = link->conf;
1753
1754 /* don't allow changing the beacon while a countdown is in place - offset
1755 * of channel switch counter may change
1756 */
1757 if (link_conf->csa_active || link_conf->color_change_active)
1758 return -EBUSY;
1759
1760 old = sdata_dereference(link->u.ap.beacon, sdata);
1761 if (!old)
1762 return -ENOENT;
1763
1764 err = ieee80211_assign_beacon(sdata, link, params: beacon, NULL, NULL,
1765 changed: &changed);
1766 if (err < 0)
1767 return err;
1768
1769 err = ieee80211_set_fils_discovery(sdata, params: &params->fils_discovery,
1770 link, link_conf, changed: &changed);
1771 if (err < 0)
1772 return err;
1773
1774 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1775 params: &params->unsol_bcast_probe_resp,
1776 link, link_conf, changed: &changed);
1777 if (err < 0)
1778 return err;
1779
1780 if (link->u.ap.s1g_short_beacon) {
1781 err = ieee80211_set_s1g_short_beacon(sdata, link,
1782 params: &params->s1g_short_beacon);
1783 if (err < 0)
1784 return err;
1785 }
1786
1787 if (beacon->he_bss_color_valid &&
1788 beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
1789 link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled;
1790 changed |= BSS_CHANGED_HE_BSS_COLOR;
1791 }
1792
1793 ieee80211_link_info_change_notify(sdata, link, changed);
1794 return 0;
1795}
1796
1797static void ieee80211_free_next_beacon(struct ieee80211_link_data *link)
1798{
1799 if (!link->u.ap.next_beacon)
1800 return;
1801
1802 kfree(objp: link->u.ap.next_beacon->mbssid_ies);
1803 kfree(objp: link->u.ap.next_beacon->rnr_ies);
1804 kfree(objp: link->u.ap.next_beacon);
1805 link->u.ap.next_beacon = NULL;
1806}
1807
1808static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
1809 unsigned int link_id)
1810{
1811 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1812 struct ieee80211_sub_if_data *vlan;
1813 struct ieee80211_local *local = sdata->local;
1814 struct beacon_data *old_beacon;
1815 struct probe_resp *old_probe_resp;
1816 struct fils_discovery_data *old_fils_discovery;
1817 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1818 struct s1g_short_beacon_data *old_s1g_short_beacon;
1819 struct cfg80211_chan_def chandef;
1820 struct ieee80211_link_data *link =
1821 sdata_dereference(sdata->link[link_id], sdata);
1822 struct ieee80211_bss_conf *link_conf = link->conf;
1823 LIST_HEAD(keys);
1824
1825 lockdep_assert_wiphy(local->hw.wiphy);
1826
1827 old_beacon = sdata_dereference(link->u.ap.beacon, sdata);
1828 if (!old_beacon)
1829 return -ENOENT;
1830 old_probe_resp = sdata_dereference(link->u.ap.probe_resp,
1831 sdata);
1832 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery,
1833 sdata);
1834 old_unsol_bcast_probe_resp =
1835 sdata_dereference(link->u.ap.unsol_bcast_probe_resp,
1836 sdata);
1837 old_s1g_short_beacon =
1838 sdata_dereference(link->u.ap.s1g_short_beacon, sdata);
1839
1840 /* abort any running channel switch or color change */
1841 link_conf->csa_active = false;
1842 link_conf->color_change_active = false;
1843 ieee80211_vif_unblock_queues_csa(sdata);
1844
1845 ieee80211_free_next_beacon(link);
1846
1847 /* turn off carrier for this interface and dependent VLANs */
1848 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1849 netif_carrier_off(dev: vlan->dev);
1850
1851 if (ieee80211_num_beaconing_links(sdata) <= 1) {
1852 netif_carrier_off(dev);
1853 sdata->u.ap.active = false;
1854 }
1855
1856 /* remove beacon and probe response */
1857 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1858 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL);
1859 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
1860 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
1861 RCU_INIT_POINTER(link->u.ap.s1g_short_beacon, NULL);
1862 kfree_rcu(old_beacon, rcu_head);
1863 if (old_probe_resp)
1864 kfree_rcu(old_probe_resp, rcu_head);
1865 if (old_fils_discovery)
1866 kfree_rcu(old_fils_discovery, rcu_head);
1867 if (old_unsol_bcast_probe_resp)
1868 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1869 if (old_s1g_short_beacon)
1870 kfree_rcu(old_s1g_short_beacon, rcu_head);
1871
1872 kfree(objp: link_conf->ftmr_params);
1873 link_conf->ftmr_params = NULL;
1874
1875 link_conf->bssid_index = 0;
1876 link_conf->nontransmitted = false;
1877 link_conf->ema_ap = false;
1878 link_conf->bssid_indicator = 0;
1879
1880 __sta_info_flush(sdata, vlans: true, link_id, NULL);
1881
1882 ieee80211_remove_link_keys(link, keys: &keys);
1883 if (!list_empty(head: &keys)) {
1884 synchronize_net();
1885 ieee80211_free_key_list(local, keys: &keys);
1886 }
1887
1888 ieee80211_stop_mbssid(sdata);
1889 RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL);
1890
1891 link_conf->enable_beacon = false;
1892 sdata->beacon_rate_set = false;
1893 sdata->vif.cfg.ssid_len = 0;
1894 sdata->vif.cfg.s1g = false;
1895 clear_bit(nr: SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, addr: &sdata->state);
1896 ieee80211_link_info_change_notify(sdata, link,
1897 changed: BSS_CHANGED_BEACON_ENABLED);
1898
1899 if (sdata->wdev.links[link_id].cac_started) {
1900 chandef = link_conf->chanreq.oper;
1901 wiphy_delayed_work_cancel(wiphy, dwork: &link->dfs_cac_timer_work);
1902 cfg80211_cac_event(netdev: sdata->dev, chandef: &chandef,
1903 event: NL80211_RADAR_CAC_ABORTED,
1904 GFP_KERNEL, link_id);
1905 }
1906
1907 drv_stop_ap(local: sdata->local, sdata, link_conf);
1908
1909 /* free all potentially still buffered bcast frames */
1910 local->total_ps_buffered -= skb_queue_len(list_: &sdata->u.ap.ps.bc_buf);
1911 ieee80211_purge_tx_queue(hw: &local->hw, skbs: &sdata->u.ap.ps.bc_buf);
1912
1913 ieee80211_link_copy_chanctx_to_vlans(link, clear: true);
1914 ieee80211_link_release_channel(link);
1915
1916 return 0;
1917}
1918
1919static int sta_apply_auth_flags(struct ieee80211_local *local,
1920 struct sta_info *sta,
1921 u32 mask, u32 set)
1922{
1923 int ret;
1924
1925 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1926 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1927 !test_sta_flag(sta, flag: WLAN_STA_AUTH)) {
1928 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_AUTH);
1929 if (ret)
1930 return ret;
1931 }
1932
1933 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1934 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1935 !test_sta_flag(sta, flag: WLAN_STA_ASSOC)) {
1936 /*
1937 * When peer becomes associated, init rate control as
1938 * well. Some drivers require rate control initialized
1939 * before drv_sta_state() is called.
1940 */
1941 if (!test_sta_flag(sta, flag: WLAN_STA_RATE_CONTROL))
1942 rate_control_rate_init_all_links(sta);
1943
1944 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_ASSOC);
1945 if (ret)
1946 return ret;
1947 }
1948
1949 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1950 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1951 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_AUTHORIZED);
1952 else if (test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED))
1953 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_ASSOC);
1954 else
1955 ret = 0;
1956 if (ret)
1957 return ret;
1958 }
1959
1960 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1961 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1962 test_sta_flag(sta, flag: WLAN_STA_ASSOC)) {
1963 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_AUTH);
1964 if (ret)
1965 return ret;
1966 }
1967
1968 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1969 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1970 test_sta_flag(sta, flag: WLAN_STA_AUTH)) {
1971 ret = sta_info_move_state(sta, new_state: IEEE80211_STA_NONE);
1972 if (ret)
1973 return ret;
1974 }
1975
1976 return 0;
1977}
1978
1979static void sta_apply_mesh_params(struct ieee80211_local *local,
1980 struct sta_info *sta,
1981 struct station_parameters *params)
1982{
1983#ifdef CONFIG_MAC80211_MESH
1984 struct ieee80211_sub_if_data *sdata = sta->sdata;
1985 u64 changed = 0;
1986
1987 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1988 switch (params->plink_state) {
1989 case NL80211_PLINK_ESTAB:
1990 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1991 changed = mesh_plink_inc_estab_count(sdata);
1992 sta->mesh->plink_state = params->plink_state;
1993 sta->mesh->aid = params->peer_aid;
1994
1995 ieee80211_mps_sta_status_update(sta);
1996 changed |= ieee80211_mps_set_sta_local_pm(sta,
1997 sdata->u.mesh.mshcfg.power_mode);
1998
1999 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
2000 /* init at low value */
2001 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
2002
2003 break;
2004 case NL80211_PLINK_LISTEN:
2005 case NL80211_PLINK_BLOCKED:
2006 case NL80211_PLINK_OPN_SNT:
2007 case NL80211_PLINK_OPN_RCVD:
2008 case NL80211_PLINK_CNF_RCVD:
2009 case NL80211_PLINK_HOLDING:
2010 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
2011 changed = mesh_plink_dec_estab_count(sdata);
2012 sta->mesh->plink_state = params->plink_state;
2013
2014 ieee80211_mps_sta_status_update(sta);
2015 changed |= ieee80211_mps_set_sta_local_pm(sta,
2016 NL80211_MESH_POWER_UNKNOWN);
2017 break;
2018 default:
2019 /* nothing */
2020 break;
2021 }
2022 }
2023
2024 switch (params->plink_action) {
2025 case NL80211_PLINK_ACTION_NO_ACTION:
2026 /* nothing */
2027 break;
2028 case NL80211_PLINK_ACTION_OPEN:
2029 changed |= mesh_plink_open(sta);
2030 break;
2031 case NL80211_PLINK_ACTION_BLOCK:
2032 changed |= mesh_plink_block(sta);
2033 break;
2034 }
2035
2036 if (params->local_pm)
2037 changed |= ieee80211_mps_set_sta_local_pm(sta,
2038 params->local_pm);
2039
2040 ieee80211_mbss_info_change_notify(sdata, changed);
2041#endif
2042}
2043
2044enum sta_link_apply_mode {
2045 STA_LINK_MODE_NEW,
2046 STA_LINK_MODE_STA_MODIFY,
2047 STA_LINK_MODE_LINK_MODIFY,
2048};
2049
2050static int sta_link_apply_parameters(struct ieee80211_local *local,
2051 struct sta_info *sta,
2052 enum sta_link_apply_mode mode,
2053 struct link_station_parameters *params)
2054{
2055 struct ieee80211_supported_band *sband;
2056 struct ieee80211_sub_if_data *sdata = sta->sdata;
2057 u32 link_id = params->link_id < 0 ? 0 : params->link_id;
2058 struct ieee80211_link_data *link =
2059 sdata_dereference(sdata->link[link_id], sdata);
2060 struct link_sta_info *link_sta =
2061 rcu_dereference_protected(sta->link[link_id],
2062 lockdep_is_held(&local->hw.wiphy->mtx));
2063 bool changes = params->link_mac ||
2064 params->txpwr_set ||
2065 params->supported_rates_len ||
2066 params->ht_capa ||
2067 params->vht_capa ||
2068 params->he_capa ||
2069 params->eht_capa ||
2070 params->s1g_capa ||
2071 params->opmode_notif_used;
2072
2073 switch (mode) {
2074 case STA_LINK_MODE_NEW:
2075 if (!params->link_mac)
2076 return -EINVAL;
2077 break;
2078 case STA_LINK_MODE_LINK_MODIFY:
2079 break;
2080 case STA_LINK_MODE_STA_MODIFY:
2081 if (params->link_id >= 0)
2082 break;
2083 if (!changes)
2084 return 0;
2085 break;
2086 }
2087
2088 if (!link || !link_sta)
2089 return -EINVAL;
2090
2091 sband = ieee80211_get_link_sband(link);
2092 if (!sband)
2093 return -EINVAL;
2094
2095 if (params->link_mac) {
2096 if (mode == STA_LINK_MODE_NEW) {
2097 memcpy(to: link_sta->addr, from: params->link_mac, ETH_ALEN);
2098 memcpy(to: link_sta->pub->addr, from: params->link_mac, ETH_ALEN);
2099 } else if (!ether_addr_equal(addr1: link_sta->addr,
2100 addr2: params->link_mac)) {
2101 return -EINVAL;
2102 }
2103 }
2104
2105 if (params->txpwr_set) {
2106 int ret;
2107
2108 link_sta->pub->txpwr.type = params->txpwr.type;
2109 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
2110 link_sta->pub->txpwr.power = params->txpwr.power;
2111 ret = drv_sta_set_txpwr(local, sdata, sta);
2112 if (ret)
2113 return ret;
2114 }
2115
2116 if (params->supported_rates &&
2117 params->supported_rates_len &&
2118 !ieee80211_parse_bitrates(width: link->conf->chanreq.oper.width,
2119 sband, srates: params->supported_rates,
2120 srates_len: params->supported_rates_len,
2121 rates: &link_sta->pub->supp_rates[sband->band]))
2122 return -EINVAL;
2123
2124 if (params->ht_capa)
2125 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
2126 ht_cap_ie: params->ht_capa, link_sta);
2127
2128 /* VHT can override some HT caps such as the A-MSDU max length */
2129 if (params->vht_capa)
2130 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
2131 vht_cap_ie: params->vht_capa, NULL,
2132 link_sta);
2133
2134 if (params->he_capa)
2135 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
2136 he_cap_ie: (void *)params->he_capa,
2137 he_cap_len: params->he_capa_len,
2138 he_6ghz_capa: (void *)params->he_6ghz_capa,
2139 link_sta);
2140
2141 if (params->he_capa && params->eht_capa)
2142 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
2143 he_cap_ie: (u8 *)params->he_capa,
2144 he_cap_len: params->he_capa_len,
2145 eht_cap_ie_elem: params->eht_capa,
2146 eht_cap_len: params->eht_capa_len,
2147 link_sta);
2148
2149 if (params->s1g_capa)
2150 ieee80211_s1g_cap_to_sta_s1g_cap(sdata, s1g_cap_ie: params->s1g_capa,
2151 link_sta);
2152
2153 ieee80211_sta_init_nss(link_sta);
2154
2155 if (params->opmode_notif_used) {
2156 enum nl80211_chan_width width = link->conf->chanreq.oper.width;
2157
2158 switch (width) {
2159 case NL80211_CHAN_WIDTH_20:
2160 case NL80211_CHAN_WIDTH_40:
2161 case NL80211_CHAN_WIDTH_80:
2162 case NL80211_CHAN_WIDTH_160:
2163 case NL80211_CHAN_WIDTH_80P80:
2164 case NL80211_CHAN_WIDTH_320: /* not VHT, allowed for HE/EHT */
2165 break;
2166 default:
2167 return -EINVAL;
2168 }
2169
2170 /* returned value is only needed for rc update, but the
2171 * rc isn't initialized here yet, so ignore it
2172 */
2173 __ieee80211_vht_handle_opmode(sdata, sta: link_sta,
2174 opmode: params->opmode_notif,
2175 band: sband->band);
2176 }
2177
2178 return 0;
2179}
2180
2181static int sta_apply_parameters(struct ieee80211_local *local,
2182 struct sta_info *sta,
2183 struct station_parameters *params)
2184{
2185 struct ieee80211_sub_if_data *sdata = sta->sdata;
2186 u32 mask, set;
2187 int ret = 0;
2188
2189 mask = params->sta_flags_mask;
2190 set = params->sta_flags_set;
2191
2192 if (ieee80211_vif_is_mesh(vif: &sdata->vif)) {
2193 /*
2194 * In mesh mode, ASSOCIATED isn't part of the nl80211
2195 * API but must follow AUTHENTICATED for driver state.
2196 */
2197 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
2198 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2199 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
2200 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2201 } else if (test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER)) {
2202 /*
2203 * TDLS -- everything follows authorized, but
2204 * only becoming authorized is possible, not
2205 * going back
2206 */
2207 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2208 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2209 BIT(NL80211_STA_FLAG_ASSOCIATED);
2210 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2211 BIT(NL80211_STA_FLAG_ASSOCIATED);
2212 }
2213 }
2214
2215 if (mask & BIT(NL80211_STA_FLAG_WME) &&
2216 local->hw.queues >= IEEE80211_NUM_ACS)
2217 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
2218
2219 /* auth flags will be set later for TDLS,
2220 * and for unassociated stations that move to associated */
2221 if (!test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) &&
2222 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
2223 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
2224 ret = sta_apply_auth_flags(local, sta, mask, set);
2225 if (ret)
2226 return ret;
2227 }
2228
2229 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
2230 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
2231 set_sta_flag(sta, flag: WLAN_STA_SHORT_PREAMBLE);
2232 else
2233 clear_sta_flag(sta, flag: WLAN_STA_SHORT_PREAMBLE);
2234 }
2235
2236 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
2237 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
2238 if (set & BIT(NL80211_STA_FLAG_MFP))
2239 set_sta_flag(sta, flag: WLAN_STA_MFP);
2240 else
2241 clear_sta_flag(sta, flag: WLAN_STA_MFP);
2242 }
2243
2244 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
2245 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2246 set_sta_flag(sta, flag: WLAN_STA_TDLS_PEER);
2247 else
2248 clear_sta_flag(sta, flag: WLAN_STA_TDLS_PEER);
2249 }
2250
2251 if (mask & BIT(NL80211_STA_FLAG_SPP_AMSDU))
2252 sta->sta.spp_amsdu = set & BIT(NL80211_STA_FLAG_SPP_AMSDU);
2253
2254 /* mark TDLS channel switch support, if the AP allows it */
2255 if (test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) &&
2256 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited &&
2257 params->ext_capab_len >= 4 &&
2258 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
2259 set_sta_flag(sta, flag: WLAN_STA_TDLS_CHAN_SWITCH);
2260
2261 if (test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) &&
2262 !sdata->u.mgd.tdls_wider_bw_prohibited &&
2263 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
2264 params->ext_capab_len >= 8 &&
2265 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
2266 set_sta_flag(sta, flag: WLAN_STA_TDLS_WIDER_BW);
2267
2268 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
2269 sta->sta.uapsd_queues = params->uapsd_queues;
2270 sta->sta.max_sp = params->max_sp;
2271 }
2272
2273 ieee80211_sta_set_max_amsdu_subframes(sta, ext_capab: params->ext_capab,
2274 ext_capab_len: params->ext_capab_len);
2275
2276 /*
2277 * cfg80211 validates this (1-2007) and allows setting the AID
2278 * only when creating a new station entry. For S1G APs, the current
2279 * implementation supports a maximum of 1600 AIDs.
2280 */
2281 if (params->aid) {
2282 if (sdata->vif.cfg.s1g &&
2283 params->aid > IEEE80211_MAX_SUPPORTED_S1G_AID)
2284 return -EINVAL;
2285
2286 sta->sta.aid = params->aid;
2287 }
2288
2289 /*
2290 * Some of the following updates would be racy if called on an
2291 * existing station, via ieee80211_change_station(). However,
2292 * all such changes are rejected by cfg80211 except for updates
2293 * changing the supported rates on an existing but not yet used
2294 * TDLS peer.
2295 */
2296
2297 if (params->listen_interval >= 0)
2298 sta->listen_interval = params->listen_interval;
2299
2300 if (params->eml_cap_present)
2301 sta->sta.eml_cap = params->eml_cap;
2302
2303 ret = sta_link_apply_parameters(local, sta, mode: STA_LINK_MODE_STA_MODIFY,
2304 params: &params->link_sta_params);
2305 if (ret)
2306 return ret;
2307
2308 if (params->support_p2p_ps >= 0)
2309 sta->sta.support_p2p_ps = params->support_p2p_ps;
2310
2311 if (ieee80211_vif_is_mesh(vif: &sdata->vif))
2312 sta_apply_mesh_params(local, sta, params);
2313
2314 if (params->airtime_weight)
2315 sta->airtime_weight = params->airtime_weight;
2316
2317 /* set the STA state after all sta info from usermode has been set */
2318 if (test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) ||
2319 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
2320 ret = sta_apply_auth_flags(local, sta, mask, set);
2321 if (ret)
2322 return ret;
2323 }
2324
2325 /* Mark the STA as MLO if MLD MAC address is available */
2326 if (params->link_sta_params.mld_mac)
2327 sta->sta.mlo = true;
2328
2329 return 0;
2330}
2331
2332static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
2333 const u8 *mac,
2334 struct station_parameters *params)
2335{
2336 struct ieee80211_local *local = wiphy_priv(wiphy);
2337 struct sta_info *sta;
2338 struct ieee80211_sub_if_data *sdata;
2339 int err;
2340
2341 lockdep_assert_wiphy(local->hw.wiphy);
2342
2343 if (params->vlan) {
2344 sdata = IEEE80211_DEV_TO_SUB_IF(dev: params->vlan);
2345
2346 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
2347 sdata->vif.type != NL80211_IFTYPE_AP)
2348 return -EINVAL;
2349 } else
2350 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2351
2352 if (ether_addr_equal(addr1: mac, addr2: sdata->vif.addr))
2353 return -EINVAL;
2354
2355 if (!is_valid_ether_addr(addr: mac))
2356 return -EINVAL;
2357
2358 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
2359 sdata->vif.type == NL80211_IFTYPE_STATION &&
2360 !sdata->u.mgd.associated)
2361 return -EINVAL;
2362
2363 /*
2364 * If we have a link ID, it can be a non-MLO station on an AP MLD,
2365 * but we need to have a link_mac in that case as well, so use the
2366 * STA's MAC address in that case.
2367 */
2368 if (params->link_sta_params.link_id >= 0)
2369 sta = sta_info_alloc_with_link(sdata, mld_addr: mac,
2370 link_id: params->link_sta_params.link_id,
2371 link_addr: params->link_sta_params.link_mac ?: mac,
2372 GFP_KERNEL);
2373 else
2374 sta = sta_info_alloc(sdata, addr: mac, GFP_KERNEL);
2375
2376 if (!sta)
2377 return -ENOMEM;
2378
2379 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2380 sta->sta.tdls = true;
2381
2382 /* Though the mutex is not needed here (since the station is not
2383 * visible yet), sta_apply_parameters (and inner functions) require
2384 * the mutex due to other paths.
2385 */
2386 err = sta_apply_parameters(local, sta, params);
2387 if (err) {
2388 sta_info_free(local, sta);
2389 return err;
2390 }
2391
2392 /*
2393 * for TDLS and for unassociated station, rate control should be
2394 * initialized only when rates are known and station is marked
2395 * authorized/associated
2396 */
2397 if (!test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER) &&
2398 test_sta_flag(sta, flag: WLAN_STA_ASSOC))
2399 rate_control_rate_init_all_links(sta);
2400
2401 return sta_info_insert(sta);
2402}
2403
2404static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
2405 struct station_del_parameters *params)
2406{
2407 struct ieee80211_sub_if_data *sdata;
2408
2409 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2410
2411 if (params->mac)
2412 return sta_info_destroy_addr_bss(sdata, addr: params->mac);
2413
2414 sta_info_flush(sdata, link_id: params->link_id);
2415 return 0;
2416}
2417
2418static int ieee80211_change_station(struct wiphy *wiphy,
2419 struct net_device *dev, const u8 *mac,
2420 struct station_parameters *params)
2421{
2422 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2423 struct ieee80211_local *local = wiphy_priv(wiphy);
2424 struct sta_info *sta;
2425 struct ieee80211_sub_if_data *vlansdata;
2426 enum cfg80211_station_type statype;
2427 int err;
2428
2429 lockdep_assert_wiphy(local->hw.wiphy);
2430
2431 sta = sta_info_get_bss(sdata, addr: mac);
2432 if (!sta)
2433 return -ENOENT;
2434
2435 switch (sdata->vif.type) {
2436 case NL80211_IFTYPE_MESH_POINT:
2437 if (sdata->u.mesh.user_mpm)
2438 statype = CFG80211_STA_MESH_PEER_USER;
2439 else
2440 statype = CFG80211_STA_MESH_PEER_KERNEL;
2441 break;
2442 case NL80211_IFTYPE_ADHOC:
2443 statype = CFG80211_STA_IBSS;
2444 break;
2445 case NL80211_IFTYPE_STATION:
2446 if (!test_sta_flag(sta, flag: WLAN_STA_TDLS_PEER)) {
2447 statype = CFG80211_STA_AP_STA;
2448 break;
2449 }
2450 if (test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED))
2451 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
2452 else
2453 statype = CFG80211_STA_TDLS_PEER_SETUP;
2454 break;
2455 case NL80211_IFTYPE_AP:
2456 case NL80211_IFTYPE_AP_VLAN:
2457 if (test_sta_flag(sta, flag: WLAN_STA_ASSOC))
2458 statype = CFG80211_STA_AP_CLIENT;
2459 else
2460 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
2461 break;
2462 default:
2463 return -EOPNOTSUPP;
2464 }
2465
2466 err = cfg80211_check_station_change(wiphy, params, statype);
2467 if (err)
2468 return err;
2469
2470 if (params->vlan && params->vlan != sta->sdata->dev) {
2471 vlansdata = IEEE80211_DEV_TO_SUB_IF(dev: params->vlan);
2472
2473 if (params->vlan->ieee80211_ptr->use_4addr) {
2474 if (vlansdata->u.vlan.sta)
2475 return -EBUSY;
2476
2477 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
2478 __ieee80211_check_fast_rx_iface(sdata: vlansdata);
2479 drv_sta_set_4addr(local, sdata: sta->sdata, sta: &sta->sta, enabled: true);
2480 }
2481
2482 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
2483 sta->sdata->u.vlan.sta)
2484 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
2485
2486 if (test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED))
2487 ieee80211_vif_dec_num_mcast(sdata: sta->sdata);
2488
2489 sta->sdata = vlansdata;
2490 ieee80211_check_fast_rx(sta);
2491 ieee80211_check_fast_xmit(sta);
2492
2493 if (test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED)) {
2494 ieee80211_vif_inc_num_mcast(sdata: sta->sdata);
2495 cfg80211_send_layer2_update(dev: sta->sdata->dev,
2496 addr: sta->sta.addr);
2497 }
2498 }
2499
2500 err = sta_apply_parameters(local, sta, params);
2501 if (err)
2502 return err;
2503
2504 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
2505 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2506 ieee80211_recalc_ps(local);
2507 ieee80211_recalc_ps_vif(sdata);
2508 }
2509
2510 return 0;
2511}
2512
2513#ifdef CONFIG_MAC80211_MESH
2514static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
2515 const u8 *dst, const u8 *next_hop)
2516{
2517 struct ieee80211_sub_if_data *sdata;
2518 struct mesh_path *mpath;
2519 struct sta_info *sta;
2520
2521 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2522
2523 rcu_read_lock();
2524 sta = sta_info_get(sdata, next_hop);
2525 if (!sta) {
2526 rcu_read_unlock();
2527 return -ENOENT;
2528 }
2529
2530 mpath = mesh_path_add(sdata, dst);
2531 if (IS_ERR(mpath)) {
2532 rcu_read_unlock();
2533 return PTR_ERR(mpath);
2534 }
2535
2536 mesh_path_fix_nexthop(mpath, sta);
2537
2538 rcu_read_unlock();
2539 return 0;
2540}
2541
2542static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
2543 const u8 *dst)
2544{
2545 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2546
2547 if (dst)
2548 return mesh_path_del(sdata, dst);
2549
2550 mesh_path_flush_by_iface(sdata);
2551 return 0;
2552}
2553
2554static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
2555 const u8 *dst, const u8 *next_hop)
2556{
2557 struct ieee80211_sub_if_data *sdata;
2558 struct mesh_path *mpath;
2559 struct sta_info *sta;
2560
2561 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2562
2563 rcu_read_lock();
2564
2565 sta = sta_info_get(sdata, next_hop);
2566 if (!sta) {
2567 rcu_read_unlock();
2568 return -ENOENT;
2569 }
2570
2571 mpath = mesh_path_lookup(sdata, dst);
2572 if (!mpath) {
2573 rcu_read_unlock();
2574 return -ENOENT;
2575 }
2576
2577 mesh_path_fix_nexthop(mpath, sta);
2578
2579 rcu_read_unlock();
2580 return 0;
2581}
2582
2583static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
2584 struct mpath_info *pinfo)
2585{
2586 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
2587
2588 if (next_hop_sta)
2589 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
2590 else
2591 eth_zero_addr(next_hop);
2592
2593 memset(pinfo, 0, sizeof(*pinfo));
2594
2595 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
2596
2597 pinfo->filled = MPATH_INFO_FRAME_QLEN |
2598 MPATH_INFO_SN |
2599 MPATH_INFO_METRIC |
2600 MPATH_INFO_EXPTIME |
2601 MPATH_INFO_DISCOVERY_TIMEOUT |
2602 MPATH_INFO_DISCOVERY_RETRIES |
2603 MPATH_INFO_FLAGS |
2604 MPATH_INFO_HOP_COUNT |
2605 MPATH_INFO_PATH_CHANGE;
2606
2607 pinfo->frame_qlen = mpath->frame_queue.qlen;
2608 pinfo->sn = mpath->sn;
2609 pinfo->metric = mpath->metric;
2610 if (time_before(jiffies, mpath->exp_time))
2611 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
2612 pinfo->discovery_timeout =
2613 jiffies_to_msecs(mpath->discovery_timeout);
2614 pinfo->discovery_retries = mpath->discovery_retries;
2615 if (mpath->flags & MESH_PATH_ACTIVE)
2616 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
2617 if (mpath->flags & MESH_PATH_RESOLVING)
2618 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
2619 if (mpath->flags & MESH_PATH_SN_VALID)
2620 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
2621 if (mpath->flags & MESH_PATH_FIXED)
2622 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
2623 if (mpath->flags & MESH_PATH_RESOLVED)
2624 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
2625 pinfo->hop_count = mpath->hop_count;
2626 pinfo->path_change_count = mpath->path_change_count;
2627}
2628
2629static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
2630 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
2631
2632{
2633 struct ieee80211_sub_if_data *sdata;
2634 struct mesh_path *mpath;
2635
2636 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2637
2638 rcu_read_lock();
2639 mpath = mesh_path_lookup(sdata, dst);
2640 if (!mpath) {
2641 rcu_read_unlock();
2642 return -ENOENT;
2643 }
2644 memcpy(dst, mpath->dst, ETH_ALEN);
2645 mpath_set_pinfo(mpath, next_hop, pinfo);
2646 rcu_read_unlock();
2647 return 0;
2648}
2649
2650static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
2651 int idx, u8 *dst, u8 *next_hop,
2652 struct mpath_info *pinfo)
2653{
2654 struct ieee80211_sub_if_data *sdata;
2655 struct mesh_path *mpath;
2656
2657 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2658
2659 rcu_read_lock();
2660 mpath = mesh_path_lookup_by_idx(sdata, idx);
2661 if (!mpath) {
2662 rcu_read_unlock();
2663 return -ENOENT;
2664 }
2665 memcpy(dst, mpath->dst, ETH_ALEN);
2666 mpath_set_pinfo(mpath, next_hop, pinfo);
2667 rcu_read_unlock();
2668 return 0;
2669}
2670
2671static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2672 struct mpath_info *pinfo)
2673{
2674 memset(pinfo, 0, sizeof(*pinfo));
2675 memcpy(mpp, mpath->mpp, ETH_ALEN);
2676
2677 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2678}
2679
2680static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2681 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2682
2683{
2684 struct ieee80211_sub_if_data *sdata;
2685 struct mesh_path *mpath;
2686
2687 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2688
2689 rcu_read_lock();
2690 mpath = mpp_path_lookup(sdata, dst);
2691 if (!mpath) {
2692 rcu_read_unlock();
2693 return -ENOENT;
2694 }
2695 memcpy(dst, mpath->dst, ETH_ALEN);
2696 mpp_set_pinfo(mpath, mpp, pinfo);
2697 rcu_read_unlock();
2698 return 0;
2699}
2700
2701static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2702 int idx, u8 *dst, u8 *mpp,
2703 struct mpath_info *pinfo)
2704{
2705 struct ieee80211_sub_if_data *sdata;
2706 struct mesh_path *mpath;
2707
2708 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2709
2710 rcu_read_lock();
2711 mpath = mpp_path_lookup_by_idx(sdata, idx);
2712 if (!mpath) {
2713 rcu_read_unlock();
2714 return -ENOENT;
2715 }
2716 memcpy(dst, mpath->dst, ETH_ALEN);
2717 mpp_set_pinfo(mpath, mpp, pinfo);
2718 rcu_read_unlock();
2719 return 0;
2720}
2721
2722static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2723 struct net_device *dev,
2724 struct mesh_config *conf)
2725{
2726 struct ieee80211_sub_if_data *sdata;
2727 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2728
2729 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2730 return 0;
2731}
2732
2733static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2734{
2735 return (mask >> (parm-1)) & 0x1;
2736}
2737
2738static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2739 const struct mesh_setup *setup)
2740{
2741 u8 *new_ie;
2742 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2743 struct ieee80211_sub_if_data, u.mesh);
2744 int i;
2745
2746 /* allocate information elements */
2747 new_ie = NULL;
2748
2749 if (setup->ie_len) {
2750 new_ie = kmemdup(setup->ie, setup->ie_len,
2751 GFP_KERNEL);
2752 if (!new_ie)
2753 return -ENOMEM;
2754 }
2755 ifmsh->ie_len = setup->ie_len;
2756 ifmsh->ie = new_ie;
2757
2758 /* now copy the rest of the setup parameters */
2759 ifmsh->mesh_id_len = setup->mesh_id_len;
2760 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2761 ifmsh->mesh_sp_id = setup->sync_method;
2762 ifmsh->mesh_pp_id = setup->path_sel_proto;
2763 ifmsh->mesh_pm_id = setup->path_metric;
2764 ifmsh->user_mpm = setup->user_mpm;
2765 ifmsh->mesh_auth_id = setup->auth_id;
2766 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2767 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2768 if (setup->is_authenticated)
2769 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2770 if (setup->is_secure)
2771 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2772
2773 /* mcast rate setting in Mesh Node */
2774 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2775 sizeof(setup->mcast_rate));
2776 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2777
2778 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2779 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2780
2781 sdata->beacon_rate_set = false;
2782 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2783 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2784 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2785 sdata->beacon_rateidx_mask[i] =
2786 setup->beacon_rate.control[i].legacy;
2787 if (sdata->beacon_rateidx_mask[i])
2788 sdata->beacon_rate_set = true;
2789 }
2790 }
2791
2792 return 0;
2793}
2794
2795static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2796 struct net_device *dev, u32 mask,
2797 const struct mesh_config *nconf)
2798{
2799 struct mesh_config *conf;
2800 struct ieee80211_sub_if_data *sdata;
2801 struct ieee80211_if_mesh *ifmsh;
2802
2803 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2804 ifmsh = &sdata->u.mesh;
2805
2806 /* Set the config options which we are interested in setting */
2807 conf = &(sdata->u.mesh.mshcfg);
2808 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2809 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2810 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2811 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2812 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2813 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2814 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2815 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2816 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2817 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2818 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2819 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2820 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2821 conf->element_ttl = nconf->element_ttl;
2822 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2823 if (ifmsh->user_mpm)
2824 return -EBUSY;
2825 conf->auto_open_plinks = nconf->auto_open_plinks;
2826 }
2827 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2828 conf->dot11MeshNbrOffsetMaxNeighbor =
2829 nconf->dot11MeshNbrOffsetMaxNeighbor;
2830 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2831 conf->dot11MeshHWMPmaxPREQretries =
2832 nconf->dot11MeshHWMPmaxPREQretries;
2833 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2834 conf->path_refresh_time = nconf->path_refresh_time;
2835 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2836 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2837 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2838 conf->dot11MeshHWMPactivePathTimeout =
2839 nconf->dot11MeshHWMPactivePathTimeout;
2840 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2841 conf->dot11MeshHWMPpreqMinInterval =
2842 nconf->dot11MeshHWMPpreqMinInterval;
2843 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2844 conf->dot11MeshHWMPperrMinInterval =
2845 nconf->dot11MeshHWMPperrMinInterval;
2846 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2847 mask))
2848 conf->dot11MeshHWMPnetDiameterTraversalTime =
2849 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2850 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2851 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2852 ieee80211_mesh_root_setup(ifmsh);
2853 }
2854 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2855 /* our current gate announcement implementation rides on root
2856 * announcements, so require this ifmsh to also be a root node
2857 * */
2858 if (nconf->dot11MeshGateAnnouncementProtocol &&
2859 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2860 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2861 ieee80211_mesh_root_setup(ifmsh);
2862 }
2863 conf->dot11MeshGateAnnouncementProtocol =
2864 nconf->dot11MeshGateAnnouncementProtocol;
2865 }
2866 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2867 conf->dot11MeshHWMPRannInterval =
2868 nconf->dot11MeshHWMPRannInterval;
2869 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2870 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2871 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2872 /* our RSSI threshold implementation is supported only for
2873 * devices that report signal in dBm.
2874 */
2875 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2876 return -EOPNOTSUPP;
2877 conf->rssi_threshold = nconf->rssi_threshold;
2878 }
2879 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2880 conf->ht_opmode = nconf->ht_opmode;
2881 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2882 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
2883 BSS_CHANGED_HT);
2884 }
2885 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2886 conf->dot11MeshHWMPactivePathToRootTimeout =
2887 nconf->dot11MeshHWMPactivePathToRootTimeout;
2888 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2889 conf->dot11MeshHWMProotInterval =
2890 nconf->dot11MeshHWMProotInterval;
2891 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2892 conf->dot11MeshHWMPconfirmationInterval =
2893 nconf->dot11MeshHWMPconfirmationInterval;
2894 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2895 conf->power_mode = nconf->power_mode;
2896 ieee80211_mps_local_status_update(sdata);
2897 }
2898 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2899 conf->dot11MeshAwakeWindowDuration =
2900 nconf->dot11MeshAwakeWindowDuration;
2901 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2902 conf->plink_timeout = nconf->plink_timeout;
2903 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2904 conf->dot11MeshConnectedToMeshGate =
2905 nconf->dot11MeshConnectedToMeshGate;
2906 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2907 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2908 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2909 conf->dot11MeshConnectedToAuthServer =
2910 nconf->dot11MeshConnectedToAuthServer;
2911 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2912 return 0;
2913}
2914
2915static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2916 const struct mesh_config *conf,
2917 const struct mesh_setup *setup)
2918{
2919 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2920 struct ieee80211_chan_req chanreq = { .oper = setup->chandef };
2921 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2922 int err;
2923
2924 lockdep_assert_wiphy(sdata->local->hw.wiphy);
2925
2926 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2927 err = copy_mesh_setup(ifmsh, setup);
2928 if (err)
2929 return err;
2930
2931 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2932
2933 /* can mesh use other SMPS modes? */
2934 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
2935 sdata->deflink.needed_rx_chains = sdata->local->rx_chains;
2936
2937 err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
2938 IEEE80211_CHANCTX_SHARED);
2939 if (err)
2940 return err;
2941
2942 return ieee80211_start_mesh(sdata);
2943}
2944
2945static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2946{
2947 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2948
2949 lockdep_assert_wiphy(sdata->local->hw.wiphy);
2950
2951 ieee80211_stop_mesh(sdata);
2952 ieee80211_link_release_channel(&sdata->deflink);
2953 kfree(sdata->u.mesh.ie);
2954
2955 return 0;
2956}
2957#endif
2958
2959static int ieee80211_change_bss(struct wiphy *wiphy,
2960 struct net_device *dev,
2961 struct bss_parameters *params)
2962{
2963 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2964 struct ieee80211_link_data *link;
2965 struct ieee80211_supported_band *sband;
2966 u64 changed = 0;
2967
2968 link = ieee80211_link_or_deflink(sdata, link_id: params->link_id, require_valid: true);
2969 if (IS_ERR(ptr: link))
2970 return PTR_ERR(ptr: link);
2971
2972 if (!sdata_dereference(link->u.ap.beacon, sdata))
2973 return -ENOENT;
2974
2975 sband = ieee80211_get_link_sband(link);
2976 if (!sband)
2977 return -EINVAL;
2978
2979 if (params->basic_rates) {
2980 if (!ieee80211_parse_bitrates(width: link->conf->chanreq.oper.width,
2981 sband: wiphy->bands[sband->band],
2982 srates: params->basic_rates,
2983 srates_len: params->basic_rates_len,
2984 rates: &link->conf->basic_rates))
2985 return -EINVAL;
2986 changed |= BSS_CHANGED_BASIC_RATES;
2987 ieee80211_check_rate_mask(link);
2988 }
2989
2990 if (params->use_cts_prot >= 0) {
2991 link->conf->use_cts_prot = params->use_cts_prot;
2992 changed |= BSS_CHANGED_ERP_CTS_PROT;
2993 }
2994 if (params->use_short_preamble >= 0) {
2995 link->conf->use_short_preamble = params->use_short_preamble;
2996 changed |= BSS_CHANGED_ERP_PREAMBLE;
2997 }
2998
2999 if (!link->conf->use_short_slot &&
3000 (sband->band == NL80211_BAND_5GHZ ||
3001 sband->band == NL80211_BAND_6GHZ)) {
3002 link->conf->use_short_slot = true;
3003 changed |= BSS_CHANGED_ERP_SLOT;
3004 }
3005
3006 if (params->use_short_slot_time >= 0) {
3007 link->conf->use_short_slot = params->use_short_slot_time;
3008 changed |= BSS_CHANGED_ERP_SLOT;
3009 }
3010
3011 if (params->ap_isolate >= 0) {
3012 if (params->ap_isolate)
3013 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
3014 else
3015 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
3016 ieee80211_check_fast_rx_iface(sdata);
3017 }
3018
3019 if (params->ht_opmode >= 0) {
3020 link->conf->ht_operation_mode = (u16)params->ht_opmode;
3021 changed |= BSS_CHANGED_HT;
3022 }
3023
3024 if (params->p2p_ctwindow >= 0) {
3025 link->conf->p2p_noa_attr.oppps_ctwindow &=
3026 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
3027 link->conf->p2p_noa_attr.oppps_ctwindow |=
3028 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
3029 changed |= BSS_CHANGED_P2P_PS;
3030 }
3031
3032 if (params->p2p_opp_ps > 0) {
3033 link->conf->p2p_noa_attr.oppps_ctwindow |=
3034 IEEE80211_P2P_OPPPS_ENABLE_BIT;
3035 changed |= BSS_CHANGED_P2P_PS;
3036 } else if (params->p2p_opp_ps == 0) {
3037 link->conf->p2p_noa_attr.oppps_ctwindow &=
3038 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
3039 changed |= BSS_CHANGED_P2P_PS;
3040 }
3041
3042 ieee80211_link_info_change_notify(sdata, link, changed);
3043
3044 return 0;
3045}
3046
3047static int ieee80211_set_txq_params(struct wiphy *wiphy,
3048 struct net_device *dev,
3049 struct ieee80211_txq_params *params)
3050{
3051 struct ieee80211_local *local = wiphy_priv(wiphy);
3052 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3053 struct ieee80211_link_data *link =
3054 ieee80211_link_or_deflink(sdata, link_id: params->link_id, require_valid: true);
3055 struct ieee80211_tx_queue_params p;
3056
3057 if (!local->ops->conf_tx)
3058 return -EOPNOTSUPP;
3059
3060 if (local->hw.queues < IEEE80211_NUM_ACS)
3061 return -EOPNOTSUPP;
3062
3063 if (IS_ERR(ptr: link))
3064 return PTR_ERR(ptr: link);
3065
3066 memset(s: &p, c: 0, n: sizeof(p));
3067 p.aifs = params->aifs;
3068 p.cw_max = params->cwmax;
3069 p.cw_min = params->cwmin;
3070 p.txop = params->txop;
3071
3072 /*
3073 * Setting tx queue params disables u-apsd because it's only
3074 * called in master mode.
3075 */
3076 p.uapsd = false;
3077
3078 ieee80211_regulatory_limit_wmm_params(sdata, qparam: &p, ac: params->ac);
3079
3080 link->tx_conf[params->ac] = p;
3081 if (drv_conf_tx(local, link, ac: params->ac, params: &p)) {
3082 wiphy_debug(local->hw.wiphy,
3083 "failed to set TX queue parameters for AC %d\n",
3084 params->ac);
3085 return -EINVAL;
3086 }
3087
3088 ieee80211_link_info_change_notify(sdata, link,
3089 changed: BSS_CHANGED_QOS);
3090
3091 return 0;
3092}
3093
3094#ifdef CONFIG_PM
3095static int ieee80211_suspend(struct wiphy *wiphy,
3096 struct cfg80211_wowlan *wowlan)
3097{
3098 return __ieee80211_suspend(hw: wiphy_priv(wiphy), wowlan);
3099}
3100
3101static int ieee80211_resume(struct wiphy *wiphy)
3102{
3103 return __ieee80211_resume(hw: wiphy_priv(wiphy));
3104}
3105#else
3106#define ieee80211_suspend NULL
3107#define ieee80211_resume NULL
3108#endif
3109
3110static int ieee80211_scan(struct wiphy *wiphy,
3111 struct cfg80211_scan_request *req)
3112{
3113 struct ieee80211_sub_if_data *sdata;
3114 struct ieee80211_link_data *link;
3115 struct ieee80211_channel *chan;
3116 int radio_idx;
3117
3118 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev: req->wdev);
3119
3120 switch (ieee80211_vif_type_p2p(vif: &sdata->vif)) {
3121 case NL80211_IFTYPE_STATION:
3122 case NL80211_IFTYPE_ADHOC:
3123 case NL80211_IFTYPE_MESH_POINT:
3124 case NL80211_IFTYPE_P2P_CLIENT:
3125 case NL80211_IFTYPE_P2P_DEVICE:
3126 break;
3127 case NL80211_IFTYPE_P2P_GO:
3128 if (sdata->local->ops->hw_scan)
3129 break;
3130 /*
3131 * FIXME: implement NoA while scanning in software,
3132 * for now fall through to allow scanning only when
3133 * beaconing hasn't been configured yet
3134 */
3135 fallthrough;
3136 case NL80211_IFTYPE_AP:
3137 /*
3138 * If the scan has been forced (and the driver supports
3139 * forcing), don't care about being beaconing already.
3140 * This will create problems to the attached stations (e.g. all
3141 * the frames sent while scanning on other channel will be
3142 * lost)
3143 */
3144 for_each_link_data(sdata, link) {
3145 /* if the link is not beaconing, ignore it */
3146 if (!sdata_dereference(link->u.ap.beacon, sdata))
3147 continue;
3148
3149 chan = link->conf->chanreq.oper.chan;
3150 radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan);
3151
3152 if (ieee80211_is_radio_idx_in_scan_req(wiphy, scan_req: req,
3153 radio_idx) &&
3154 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
3155 !(req->flags & NL80211_SCAN_FLAG_AP)))
3156 return -EOPNOTSUPP;
3157 }
3158 break;
3159 case NL80211_IFTYPE_NAN:
3160 default:
3161 return -EOPNOTSUPP;
3162 }
3163
3164 return ieee80211_request_scan(sdata, req);
3165}
3166
3167static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
3168{
3169 ieee80211_scan_cancel(local: wiphy_priv(wiphy));
3170}
3171
3172static int
3173ieee80211_sched_scan_start(struct wiphy *wiphy,
3174 struct net_device *dev,
3175 struct cfg80211_sched_scan_request *req)
3176{
3177 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3178
3179 if (!sdata->local->ops->sched_scan_start)
3180 return -EOPNOTSUPP;
3181
3182 return ieee80211_request_sched_scan_start(sdata, req);
3183}
3184
3185static int
3186ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
3187 u64 reqid)
3188{
3189 struct ieee80211_local *local = wiphy_priv(wiphy);
3190
3191 if (!local->ops->sched_scan_stop)
3192 return -EOPNOTSUPP;
3193
3194 return ieee80211_request_sched_scan_stop(local);
3195}
3196
3197static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
3198 struct cfg80211_auth_request *req)
3199{
3200 return ieee80211_mgd_auth(sdata: IEEE80211_DEV_TO_SUB_IF(dev), req);
3201}
3202
3203static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
3204 struct cfg80211_assoc_request *req)
3205{
3206 return ieee80211_mgd_assoc(sdata: IEEE80211_DEV_TO_SUB_IF(dev), req);
3207}
3208
3209static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
3210 struct cfg80211_deauth_request *req)
3211{
3212 return ieee80211_mgd_deauth(sdata: IEEE80211_DEV_TO_SUB_IF(dev), req);
3213}
3214
3215static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
3216 struct cfg80211_disassoc_request *req)
3217{
3218 return ieee80211_mgd_disassoc(sdata: IEEE80211_DEV_TO_SUB_IF(dev), req);
3219}
3220
3221static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
3222 struct cfg80211_ibss_params *params)
3223{
3224 return ieee80211_ibss_join(sdata: IEEE80211_DEV_TO_SUB_IF(dev), params);
3225}
3226
3227static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
3228{
3229 return ieee80211_ibss_leave(sdata: IEEE80211_DEV_TO_SUB_IF(dev));
3230}
3231
3232static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
3233 struct ocb_setup *setup)
3234{
3235 return ieee80211_ocb_join(sdata: IEEE80211_DEV_TO_SUB_IF(dev), setup);
3236}
3237
3238static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
3239{
3240 return ieee80211_ocb_leave(sdata: IEEE80211_DEV_TO_SUB_IF(dev));
3241}
3242
3243static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
3244 int rate[NUM_NL80211_BANDS])
3245{
3246 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3247
3248 memcpy(to: sdata->vif.bss_conf.mcast_rate, from: rate,
3249 len: sizeof(int) * NUM_NL80211_BANDS);
3250
3251 if (ieee80211_sdata_running(sdata))
3252 ieee80211_link_info_change_notify(sdata, link: &sdata->deflink,
3253 changed: BSS_CHANGED_MCAST_RATE);
3254
3255 return 0;
3256}
3257
3258static int ieee80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx,
3259 u32 changed)
3260{
3261 struct ieee80211_local *local = wiphy_priv(wiphy);
3262 int err;
3263
3264 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
3265 ieee80211_check_fast_xmit_all(local);
3266
3267 err = drv_set_frag_threshold(local, radio_idx,
3268 value: wiphy->frag_threshold);
3269
3270 if (err) {
3271 ieee80211_check_fast_xmit_all(local);
3272 return err;
3273 }
3274 }
3275
3276 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
3277 (changed & WIPHY_PARAM_DYN_ACK)) {
3278 s16 coverage_class;
3279
3280 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
3281 wiphy->coverage_class : -1;
3282 err = drv_set_coverage_class(local, radio_idx,
3283 value: coverage_class);
3284
3285 if (err)
3286 return err;
3287 }
3288
3289 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
3290 u32 rts_threshold;
3291
3292 if ((radio_idx == -1) || (radio_idx >= wiphy->n_radio))
3293 rts_threshold = wiphy->rts_threshold;
3294 else
3295 rts_threshold =
3296 wiphy->radio_cfg[radio_idx].rts_threshold;
3297
3298 err = drv_set_rts_threshold(local, radio_idx, value: rts_threshold);
3299
3300 if (err)
3301 return err;
3302 }
3303
3304 if (changed & WIPHY_PARAM_RETRY_SHORT) {
3305 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
3306 return -EINVAL;
3307 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
3308 }
3309 if (changed & WIPHY_PARAM_RETRY_LONG) {
3310 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
3311 return -EINVAL;
3312 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
3313 }
3314 if (changed &
3315 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
3316 ieee80211_hw_config(local, radio_idx,
3317 changed: IEEE80211_CONF_CHANGE_RETRY_LIMITS);
3318
3319 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
3320 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
3321 WIPHY_PARAM_TXQ_QUANTUM))
3322 ieee80211_txq_set_params(local, radio_idx);
3323
3324 return 0;
3325}
3326
3327static int ieee80211_set_tx_power(struct wiphy *wiphy,
3328 struct wireless_dev *wdev, int radio_idx,
3329 enum nl80211_tx_power_setting type, int mbm)
3330{
3331 struct ieee80211_local *local = wiphy_priv(wiphy);
3332 struct ieee80211_sub_if_data *sdata;
3333 enum nl80211_tx_power_setting txp_type = type;
3334 bool update_txp_type = false;
3335 bool has_monitor = false;
3336 int user_power_level;
3337 int old_power = local->user_power_level;
3338
3339 lockdep_assert_wiphy(local->hw.wiphy);
3340
3341 switch (type) {
3342 case NL80211_TX_POWER_AUTOMATIC:
3343 user_power_level = IEEE80211_UNSET_POWER_LEVEL;
3344 txp_type = NL80211_TX_POWER_LIMITED;
3345 break;
3346 case NL80211_TX_POWER_LIMITED:
3347 case NL80211_TX_POWER_FIXED:
3348 if (mbm < 0 || (mbm % 100))
3349 return -EOPNOTSUPP;
3350 user_power_level = MBM_TO_DBM(mbm);
3351 break;
3352 default:
3353 return -EINVAL;
3354 }
3355
3356 if (wdev) {
3357 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3358
3359 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3360 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
3361 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
3362 return -EOPNOTSUPP;
3363
3364 sdata = wiphy_dereference(local->hw.wiphy,
3365 local->monitor_sdata);
3366 if (!sdata)
3367 return -EOPNOTSUPP;
3368 }
3369
3370 for (int link_id = 0;
3371 link_id < ARRAY_SIZE(sdata->link);
3372 link_id++) {
3373 struct ieee80211_link_data *link =
3374 wiphy_dereference(wiphy, sdata->link[link_id]);
3375
3376 if (!link)
3377 continue;
3378
3379 link->user_power_level = user_power_level;
3380
3381 if (txp_type != link->conf->txpower_type) {
3382 update_txp_type = true;
3383 link->conf->txpower_type = txp_type;
3384 }
3385
3386 ieee80211_recalc_txpower(link, update_bss: update_txp_type);
3387 }
3388 return 0;
3389 }
3390
3391 local->user_power_level = user_power_level;
3392
3393 list_for_each_entry(sdata, &local->interfaces, list) {
3394 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3395 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
3396 has_monitor = true;
3397 continue;
3398 }
3399
3400 for (int link_id = 0;
3401 link_id < ARRAY_SIZE(sdata->link);
3402 link_id++) {
3403 struct ieee80211_link_data *link =
3404 wiphy_dereference(wiphy, sdata->link[link_id]);
3405
3406 if (!link)
3407 continue;
3408
3409 link->user_power_level = local->user_power_level;
3410 if (txp_type != link->conf->txpower_type)
3411 update_txp_type = true;
3412 link->conf->txpower_type = txp_type;
3413 }
3414 }
3415 list_for_each_entry(sdata, &local->interfaces, list) {
3416 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3417 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
3418 continue;
3419
3420 for (int link_id = 0;
3421 link_id < ARRAY_SIZE(sdata->link);
3422 link_id++) {
3423 struct ieee80211_link_data *link =
3424 wiphy_dereference(wiphy, sdata->link[link_id]);
3425
3426 if (!link)
3427 continue;
3428
3429 ieee80211_recalc_txpower(link, update_bss: update_txp_type);
3430 }
3431 }
3432
3433 if (has_monitor) {
3434 sdata = wiphy_dereference(local->hw.wiphy,
3435 local->monitor_sdata);
3436 if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) {
3437 sdata->deflink.user_power_level = local->user_power_level;
3438 if (txp_type != sdata->vif.bss_conf.txpower_type)
3439 update_txp_type = true;
3440 sdata->vif.bss_conf.txpower_type = txp_type;
3441
3442 ieee80211_recalc_txpower(link: &sdata->deflink,
3443 update_bss: update_txp_type);
3444 }
3445 }
3446
3447 if (local->emulate_chanctx &&
3448 (old_power != local->user_power_level))
3449 ieee80211_hw_conf_chan(local);
3450
3451 return 0;
3452}
3453
3454static int ieee80211_get_tx_power(struct wiphy *wiphy,
3455 struct wireless_dev *wdev,
3456 int radio_idx,
3457 unsigned int link_id,
3458 int *dbm)
3459{
3460 struct ieee80211_local *local = wiphy_priv(wiphy);
3461 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3462 struct ieee80211_link_data *link_data;
3463
3464 if (local->ops->get_txpower &&
3465 (sdata->flags & IEEE80211_SDATA_IN_DRIVER))
3466 return drv_get_txpower(local, sdata, link_id, dbm);
3467
3468 if (local->emulate_chanctx) {
3469 *dbm = local->hw.conf.power_level;
3470 } else {
3471 link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
3472
3473 if (link_data)
3474 *dbm = link_data->conf->txpower;
3475 else
3476 return -ENOLINK;
3477 }
3478
3479 /* INT_MIN indicates no power level was set yet */
3480 if (*dbm == INT_MIN)
3481 return -EINVAL;
3482
3483 return 0;
3484}
3485
3486static void ieee80211_rfkill_poll(struct wiphy *wiphy)
3487{
3488 struct ieee80211_local *local = wiphy_priv(wiphy);
3489
3490 drv_rfkill_poll(local);
3491}
3492
3493#ifdef CONFIG_NL80211_TESTMODE
3494static int ieee80211_testmode_cmd(struct wiphy *wiphy,
3495 struct wireless_dev *wdev,
3496 void *data, int len)
3497{
3498 struct ieee80211_local *local = wiphy_priv(wiphy);
3499 struct ieee80211_vif *vif = NULL;
3500
3501 if (!local->ops->testmode_cmd)
3502 return -EOPNOTSUPP;
3503
3504 if (wdev) {
3505 struct ieee80211_sub_if_data *sdata;
3506
3507 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3508 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
3509 vif = &sdata->vif;
3510 }
3511
3512 return local->ops->testmode_cmd(&local->hw, vif, data, len);
3513}
3514
3515static int ieee80211_testmode_dump(struct wiphy *wiphy,
3516 struct sk_buff *skb,
3517 struct netlink_callback *cb,
3518 void *data, int len)
3519{
3520 struct ieee80211_local *local = wiphy_priv(wiphy);
3521
3522 if (!local->ops->testmode_dump)
3523 return -EOPNOTSUPP;
3524
3525 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
3526}
3527#endif
3528
3529int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
3530 struct ieee80211_link_data *link,
3531 enum ieee80211_smps_mode smps_mode)
3532{
3533 const u8 *ap;
3534 enum ieee80211_smps_mode old_req;
3535 int err;
3536 struct sta_info *sta;
3537 bool tdls_peer_found = false;
3538
3539 lockdep_assert_wiphy(sdata->local->hw.wiphy);
3540
3541 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
3542 return -EINVAL;
3543
3544 if (!ieee80211_vif_link_active(vif: &sdata->vif, link_id: link->link_id))
3545 return 0;
3546
3547 old_req = link->u.mgd.req_smps;
3548 link->u.mgd.req_smps = smps_mode;
3549
3550 /* The driver indicated that EML is enabled for the interface, which
3551 * implies that SMPS flows towards the AP should be stopped.
3552 */
3553 if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE)
3554 return 0;
3555
3556 if (old_req == smps_mode &&
3557 smps_mode != IEEE80211_SMPS_AUTOMATIC)
3558 return 0;
3559
3560 /*
3561 * If not associated, or current association is not an HT
3562 * association, there's no need to do anything, just store
3563 * the new value until we associate.
3564 */
3565 if (!sdata->u.mgd.associated ||
3566 link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT)
3567 return 0;
3568
3569 ap = sdata->vif.cfg.ap_addr;
3570
3571 rcu_read_lock();
3572 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
3573 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
3574 !test_sta_flag(sta, flag: WLAN_STA_AUTHORIZED))
3575 continue;
3576
3577 tdls_peer_found = true;
3578 break;
3579 }
3580 rcu_read_unlock();
3581
3582 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
3583 if (tdls_peer_found || !sdata->u.mgd.powersave)
3584 smps_mode = IEEE80211_SMPS_OFF;
3585 else
3586 smps_mode = IEEE80211_SMPS_DYNAMIC;
3587 }
3588
3589 /* send SM PS frame to AP */
3590 err = ieee80211_send_smps_action(sdata, smps: smps_mode,
3591 da: ap, bssid: ap,
3592 link_id: ieee80211_vif_is_mld(vif: &sdata->vif) ?
3593 link->link_id : -1);
3594 if (err)
3595 link->u.mgd.req_smps = old_req;
3596 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
3597 ieee80211_teardown_tdls_peers(link);
3598
3599 return err;
3600}
3601
3602static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
3603 bool enabled, int timeout)
3604{
3605 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3606 struct ieee80211_local *local = wdev_priv(wdev: dev->ieee80211_ptr);
3607 unsigned int link_id;
3608
3609 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3610 return -EOPNOTSUPP;
3611
3612 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
3613 return -EOPNOTSUPP;
3614
3615 if (enabled == sdata->u.mgd.powersave &&
3616 timeout == local->dynamic_ps_forced_timeout)
3617 return 0;
3618
3619 sdata->u.mgd.powersave = enabled;
3620 local->dynamic_ps_forced_timeout = timeout;
3621
3622 /* no change, but if automatic follow powersave */
3623 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {
3624 struct ieee80211_link_data *link;
3625
3626 link = sdata_dereference(sdata->link[link_id], sdata);
3627
3628 if (!link)
3629 continue;
3630 __ieee80211_request_smps_mgd(sdata, link,
3631 smps_mode: link->u.mgd.req_smps);
3632 }
3633
3634 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
3635 ieee80211_hw_config(local, radio_idx: -1, changed: IEEE80211_CONF_CHANGE_PS);
3636
3637 ieee80211_recalc_ps(local);
3638 ieee80211_recalc_ps_vif(sdata);
3639 ieee80211_check_fast_rx_iface(sdata);
3640
3641 return 0;
3642}
3643
3644static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata,
3645 struct ieee80211_link_data *link,
3646 s32 rssi_thold, u32 rssi_hyst,
3647 s32 rssi_low, s32 rssi_high)
3648{
3649 struct ieee80211_bss_conf *conf;
3650
3651 if (!link || !link->conf)
3652 return;
3653
3654 conf = link->conf;
3655
3656 if (rssi_thold && rssi_hyst &&
3657 rssi_thold == conf->cqm_rssi_thold &&
3658 rssi_hyst == conf->cqm_rssi_hyst)
3659 return;
3660
3661 conf->cqm_rssi_thold = rssi_thold;
3662 conf->cqm_rssi_hyst = rssi_hyst;
3663 conf->cqm_rssi_low = rssi_low;
3664 conf->cqm_rssi_high = rssi_high;
3665 link->u.mgd.last_cqm_event_signal = 0;
3666
3667 if (!ieee80211_vif_link_active(vif: &sdata->vif, link_id: link->link_id))
3668 return;
3669
3670 if (sdata->u.mgd.associated &&
3671 (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3672 ieee80211_link_info_change_notify(sdata, link, changed: BSS_CHANGED_CQM);
3673}
3674
3675static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
3676 struct net_device *dev,
3677 s32 rssi_thold, u32 rssi_hyst)
3678{
3679 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3680 struct ieee80211_vif *vif = &sdata->vif;
3681 int link_id;
3682
3683 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER &&
3684 !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3685 return -EOPNOTSUPP;
3686
3687 /* For MLD, handle CQM change on all the active links */
3688 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
3689 struct ieee80211_link_data *link =
3690 sdata_dereference(sdata->link[link_id], sdata);
3691
3692 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst,
3693 rssi_low: 0, rssi_high: 0);
3694 }
3695
3696 return 0;
3697}
3698
3699static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
3700 struct net_device *dev,
3701 s32 rssi_low, s32 rssi_high)
3702{
3703 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3704 struct ieee80211_vif *vif = &sdata->vif;
3705 int link_id;
3706
3707 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)
3708 return -EOPNOTSUPP;
3709
3710 /* For MLD, handle CQM change on all the active links */
3711 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
3712 struct ieee80211_link_data *link =
3713 sdata_dereference(sdata->link[link_id], sdata);
3714
3715 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold: 0, rssi_hyst: 0,
3716 rssi_low, rssi_high);
3717 }
3718
3719 return 0;
3720}
3721
3722static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
3723 struct net_device *dev,
3724 unsigned int link_id,
3725 const u8 *addr,
3726 const struct cfg80211_bitrate_mask *mask)
3727{
3728 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3729 struct ieee80211_local *local = wdev_priv(wdev: dev->ieee80211_ptr);
3730 int i, ret;
3731
3732 if (!ieee80211_sdata_running(sdata))
3733 return -ENETDOWN;
3734
3735 /*
3736 * If active validate the setting and reject it if it doesn't leave
3737 * at least one basic rate usable, since we really have to be able
3738 * to send something, and if we're an AP we have to be able to do
3739 * so at a basic rate so that all clients can receive it.
3740 */
3741 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) &&
3742 sdata->vif.bss_conf.chanreq.oper.chan) {
3743 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
3744 enum nl80211_band band;
3745
3746 band = sdata->vif.bss_conf.chanreq.oper.chan->band;
3747
3748 if (!(mask->control[band].legacy & basic_rates))
3749 return -EINVAL;
3750 }
3751
3752 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
3753 ret = drv_set_bitrate_mask(local, sdata, mask);
3754 if (ret)
3755 return ret;
3756 }
3757
3758 for (i = 0; i < NUM_NL80211_BANDS; i++) {
3759 struct ieee80211_supported_band *sband = wiphy->bands[i];
3760 int j;
3761
3762 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
3763 memcpy(to: sdata->rc_rateidx_mcs_mask[i], from: mask->control[i].ht_mcs,
3764 len: sizeof(mask->control[i].ht_mcs));
3765 memcpy(to: sdata->rc_rateidx_vht_mcs_mask[i],
3766 from: mask->control[i].vht_mcs,
3767 len: sizeof(mask->control[i].vht_mcs));
3768
3769 sdata->rc_has_mcs_mask[i] = false;
3770 sdata->rc_has_vht_mcs_mask[i] = false;
3771 if (!sband)
3772 continue;
3773
3774 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
3775 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
3776 sdata->rc_has_mcs_mask[i] = true;
3777 break;
3778 }
3779 }
3780
3781 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
3782 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
3783 sdata->rc_has_vht_mcs_mask[i] = true;
3784 break;
3785 }
3786 }
3787 }
3788
3789 return 0;
3790}
3791
3792static bool ieee80211_is_scan_ongoing(struct wiphy *wiphy,
3793 struct ieee80211_local *local,
3794 struct cfg80211_chan_def *chandef)
3795{
3796 struct cfg80211_scan_request *scan_req;
3797 int chan_radio_idx, req_radio_idx;
3798 struct ieee80211_roc_work *roc;
3799
3800 if (list_empty(head: &local->roc_list) && !local->scanning)
3801 return false;
3802
3803 req_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan: chandef->chan);
3804
3805 if (local->scanning) {
3806 scan_req = wiphy_dereference(wiphy, local->scan_req);
3807 /*
3808 * Scan is going on but info is not there. Should not happen
3809 * but if it does, let's not take risk and assume we can't use
3810 * the hw hence return true
3811 */
3812 if (WARN_ON_ONCE(!scan_req))
3813 return true;
3814
3815 return ieee80211_is_radio_idx_in_scan_req(wiphy, scan_req,
3816 radio_idx: req_radio_idx);
3817 }
3818
3819 list_for_each_entry(roc, &local->roc_list, list) {
3820 chan_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy,
3821 chan: roc->chan);
3822 if (chan_radio_idx == req_radio_idx)
3823 return true;
3824 }
3825
3826 return false;
3827}
3828
3829static int ieee80211_start_radar_detection(struct wiphy *wiphy,
3830 struct net_device *dev,
3831 struct cfg80211_chan_def *chandef,
3832 u32 cac_time_ms, int link_id)
3833{
3834 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3835 struct ieee80211_chan_req chanreq = { .oper = *chandef };
3836 struct ieee80211_local *local = sdata->local;
3837 struct ieee80211_link_data *link_data;
3838 int err;
3839
3840 lockdep_assert_wiphy(local->hw.wiphy);
3841
3842 if (ieee80211_is_scan_ongoing(wiphy, local, chandef))
3843 return -EBUSY;
3844
3845 link_data = sdata_dereference(sdata->link[link_id], sdata);
3846 if (!link_data)
3847 return -ENOLINK;
3848
3849 /* whatever, but channel contexts should not complain about that one */
3850 link_data->smps_mode = IEEE80211_SMPS_OFF;
3851 link_data->needed_rx_chains = local->rx_chains;
3852
3853 err = ieee80211_link_use_channel(link: link_data, req: &chanreq,
3854 mode: IEEE80211_CHANCTX_SHARED);
3855 if (err)
3856 return err;
3857
3858 wiphy_delayed_work_queue(wiphy, dwork: &link_data->dfs_cac_timer_work,
3859 delay: msecs_to_jiffies(m: cac_time_ms));
3860
3861 return 0;
3862}
3863
3864static void ieee80211_end_cac(struct wiphy *wiphy,
3865 struct net_device *dev, unsigned int link_id)
3866{
3867 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3868 struct ieee80211_local *local = sdata->local;
3869 struct ieee80211_link_data *link_data;
3870
3871 lockdep_assert_wiphy(local->hw.wiphy);
3872
3873 list_for_each_entry(sdata, &local->interfaces, list) {
3874 link_data = sdata_dereference(sdata->link[link_id], sdata);
3875 if (!link_data)
3876 continue;
3877
3878 wiphy_delayed_work_cancel(wiphy,
3879 dwork: &link_data->dfs_cac_timer_work);
3880
3881 if (sdata->wdev.links[link_id].cac_started) {
3882 ieee80211_link_release_channel(link: link_data);
3883 sdata->wdev.links[link_id].cac_started = false;
3884 }
3885 }
3886}
3887
3888static struct cfg80211_beacon_data *
3889cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3890{
3891 struct cfg80211_beacon_data *new_beacon;
3892 u8 *pos;
3893 int len;
3894
3895 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3896 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3897 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3898
3899 if (beacon->mbssid_ies)
3900 len += ieee80211_get_mbssid_beacon_len(elems: beacon->mbssid_ies,
3901 rnr_elems: beacon->rnr_ies,
3902 i: beacon->mbssid_ies->cnt);
3903
3904 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3905 if (!new_beacon)
3906 return NULL;
3907
3908 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3909 new_beacon->mbssid_ies =
3910 kzalloc(struct_size(new_beacon->mbssid_ies,
3911 elem, beacon->mbssid_ies->cnt),
3912 GFP_KERNEL);
3913 if (!new_beacon->mbssid_ies) {
3914 kfree(objp: new_beacon);
3915 return NULL;
3916 }
3917
3918 if (beacon->rnr_ies && beacon->rnr_ies->cnt) {
3919 new_beacon->rnr_ies =
3920 kzalloc(struct_size(new_beacon->rnr_ies,
3921 elem, beacon->rnr_ies->cnt),
3922 GFP_KERNEL);
3923 if (!new_beacon->rnr_ies) {
3924 kfree(objp: new_beacon->mbssid_ies);
3925 kfree(objp: new_beacon);
3926 return NULL;
3927 }
3928 }
3929 }
3930
3931 pos = (u8 *)(new_beacon + 1);
3932 if (beacon->head_len) {
3933 new_beacon->head_len = beacon->head_len;
3934 new_beacon->head = pos;
3935 memcpy(to: pos, from: beacon->head, len: beacon->head_len);
3936 pos += beacon->head_len;
3937 }
3938 if (beacon->tail_len) {
3939 new_beacon->tail_len = beacon->tail_len;
3940 new_beacon->tail = pos;
3941 memcpy(to: pos, from: beacon->tail, len: beacon->tail_len);
3942 pos += beacon->tail_len;
3943 }
3944 if (beacon->beacon_ies_len) {
3945 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3946 new_beacon->beacon_ies = pos;
3947 memcpy(to: pos, from: beacon->beacon_ies, len: beacon->beacon_ies_len);
3948 pos += beacon->beacon_ies_len;
3949 }
3950 if (beacon->proberesp_ies_len) {
3951 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3952 new_beacon->proberesp_ies = pos;
3953 memcpy(to: pos, from: beacon->proberesp_ies, len: beacon->proberesp_ies_len);
3954 pos += beacon->proberesp_ies_len;
3955 }
3956 if (beacon->assocresp_ies_len) {
3957 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3958 new_beacon->assocresp_ies = pos;
3959 memcpy(to: pos, from: beacon->assocresp_ies, len: beacon->assocresp_ies_len);
3960 pos += beacon->assocresp_ies_len;
3961 }
3962 if (beacon->probe_resp_len) {
3963 new_beacon->probe_resp_len = beacon->probe_resp_len;
3964 new_beacon->probe_resp = pos;
3965 memcpy(to: pos, from: beacon->probe_resp, len: beacon->probe_resp_len);
3966 pos += beacon->probe_resp_len;
3967 }
3968 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3969 pos += ieee80211_copy_mbssid_beacon(pos,
3970 dst: new_beacon->mbssid_ies,
3971 src: beacon->mbssid_ies);
3972 if (beacon->rnr_ies && beacon->rnr_ies->cnt)
3973 pos += ieee80211_copy_rnr_beacon(pos,
3974 dst: new_beacon->rnr_ies,
3975 src: beacon->rnr_ies);
3976 }
3977
3978 /* might copy -1, meaning no changes requested */
3979 new_beacon->ftm_responder = beacon->ftm_responder;
3980 if (beacon->lci) {
3981 new_beacon->lci_len = beacon->lci_len;
3982 new_beacon->lci = pos;
3983 memcpy(to: pos, from: beacon->lci, len: beacon->lci_len);
3984 pos += beacon->lci_len;
3985 }
3986 if (beacon->civicloc) {
3987 new_beacon->civicloc_len = beacon->civicloc_len;
3988 new_beacon->civicloc = pos;
3989 memcpy(to: pos, from: beacon->civicloc, len: beacon->civicloc_len);
3990 pos += beacon->civicloc_len;
3991 }
3992
3993 return new_beacon;
3994}
3995
3996void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id)
3997{
3998 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
3999 struct ieee80211_local *local = sdata->local;
4000 struct ieee80211_bss_conf *tx_bss_conf;
4001 struct ieee80211_link_data *link_data;
4002
4003 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4004 return;
4005
4006 rcu_read_lock();
4007
4008 link_data = rcu_dereference(sdata->link[link_id]);
4009 if (WARN_ON(!link_data)) {
4010 rcu_read_unlock();
4011 return;
4012 }
4013
4014 tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf);
4015 if (tx_bss_conf == link_data->conf) {
4016 /* Trigger ieee80211_csa_finish() on the non-transmitting
4017 * interfaces when channel switch is received on
4018 * transmitting interface
4019 */
4020 struct ieee80211_link_data *iter;
4021
4022 for_each_sdata_link_rcu(local, iter) {
4023 if (iter->sdata == sdata ||
4024 rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf)
4025 continue;
4026
4027 wiphy_work_queue(wiphy: iter->sdata->local->hw.wiphy,
4028 work: &iter->csa.finalize_work);
4029 }
4030 }
4031
4032 wiphy_work_queue(wiphy: local->hw.wiphy, work: &link_data->csa.finalize_work);
4033
4034 rcu_read_unlock();
4035}
4036EXPORT_SYMBOL(ieee80211_csa_finish);
4037
4038void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif)
4039{
4040 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
4041 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4042 struct ieee80211_local *local = sdata->local;
4043
4044 sdata_info(sdata, "channel switch failed, disconnecting\n");
4045 wiphy_work_queue(wiphy: local->hw.wiphy, work: &ifmgd->csa_connection_drop_work);
4046}
4047EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
4048
4049static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data,
4050 u64 *changed)
4051{
4052 struct ieee80211_sub_if_data *sdata = link_data->sdata;
4053 int err;
4054
4055 switch (sdata->vif.type) {
4056 case NL80211_IFTYPE_AP:
4057 if (!link_data->u.ap.next_beacon)
4058 return -EINVAL;
4059
4060 err = ieee80211_assign_beacon(sdata, link: link_data,
4061 params: link_data->u.ap.next_beacon,
4062 NULL, NULL, changed);
4063 ieee80211_free_next_beacon(link: link_data);
4064
4065 if (err < 0)
4066 return err;
4067 break;
4068 case NL80211_IFTYPE_ADHOC:
4069 err = ieee80211_ibss_finish_csa(sdata, changed);
4070 if (err < 0)
4071 return err;
4072 break;
4073#ifdef CONFIG_MAC80211_MESH
4074 case NL80211_IFTYPE_MESH_POINT:
4075 err = ieee80211_mesh_finish_csa(sdata, changed);
4076 if (err < 0)
4077 return err;
4078 break;
4079#endif
4080 default:
4081 WARN_ON(1);
4082 return -EINVAL;
4083 }
4084
4085 return 0;
4086}
4087
4088static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
4089{
4090 struct ieee80211_sub_if_data *sdata = link_data->sdata;
4091 struct ieee80211_local *local = sdata->local;
4092 struct ieee80211_bss_conf *link_conf = link_data->conf;
4093 u64 changed = 0;
4094 int err;
4095
4096 lockdep_assert_wiphy(local->hw.wiphy);
4097
4098 /*
4099 * using reservation isn't immediate as it may be deferred until later
4100 * with multi-vif. once reservation is complete it will re-schedule the
4101 * work with no reserved_chanctx so verify chandef to check if it
4102 * completed successfully
4103 */
4104
4105 if (link_data->reserved_chanctx) {
4106 /*
4107 * with multi-vif csa driver may call ieee80211_csa_finish()
4108 * many times while waiting for other interfaces to use their
4109 * reservations
4110 */
4111 if (link_data->reserved_ready)
4112 return 0;
4113
4114 return ieee80211_link_use_reserved_context(link: link_data);
4115 }
4116
4117 if (!cfg80211_chandef_identical(chandef1: &link_conf->chanreq.oper,
4118 chandef2: &link_data->csa.chanreq.oper))
4119 return -EINVAL;
4120
4121 link_conf->csa_active = false;
4122
4123 err = ieee80211_set_after_csa_beacon(link_data, changed: &changed);
4124 if (err)
4125 return err;
4126
4127 ieee80211_link_info_change_notify(sdata, link: link_data, changed);
4128
4129 ieee80211_vif_unblock_queues_csa(sdata);
4130
4131 err = drv_post_channel_switch(link: link_data);
4132 if (err)
4133 return err;
4134
4135 cfg80211_ch_switch_notify(dev: sdata->dev, chandef: &link_data->csa.chanreq.oper,
4136 link_id: link_data->link_id);
4137
4138 return 0;
4139}
4140
4141static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
4142{
4143 struct ieee80211_sub_if_data *sdata = link_data->sdata;
4144
4145 if (__ieee80211_csa_finalize(link_data)) {
4146 sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n",
4147 link_data->link_id);
4148 cfg80211_stop_iface(wiphy: sdata->local->hw.wiphy, wdev: &sdata->wdev,
4149 GFP_KERNEL);
4150 }
4151}
4152
4153void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
4154{
4155 struct ieee80211_link_data *link =
4156 container_of(work, struct ieee80211_link_data, csa.finalize_work);
4157 struct ieee80211_sub_if_data *sdata = link->sdata;
4158 struct ieee80211_local *local = sdata->local;
4159
4160 lockdep_assert_wiphy(local->hw.wiphy);
4161
4162 /* AP might have been stopped while waiting for the lock. */
4163 if (!link->conf->csa_active)
4164 return;
4165
4166 if (!ieee80211_sdata_running(sdata))
4167 return;
4168
4169 ieee80211_csa_finalize(link_data: link);
4170}
4171
4172static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data,
4173 struct cfg80211_csa_settings *params,
4174 u64 *changed)
4175{
4176 struct ieee80211_sub_if_data *sdata = link_data->sdata;
4177 struct ieee80211_csa_settings csa = {};
4178 int err;
4179
4180 switch (sdata->vif.type) {
4181 case NL80211_IFTYPE_AP:
4182 link_data->u.ap.next_beacon =
4183 cfg80211_beacon_dup(beacon: &params->beacon_after);
4184 if (!link_data->u.ap.next_beacon)
4185 return -ENOMEM;
4186
4187 /*
4188 * With a count of 0, we don't have to wait for any
4189 * TBTT before switching, so complete the CSA
4190 * immediately. In theory, with a count == 1 we
4191 * should delay the switch until just before the next
4192 * TBTT, but that would complicate things so we switch
4193 * immediately too. If we would delay the switch
4194 * until the next TBTT, we would have to set the probe
4195 * response here.
4196 *
4197 * TODO: A channel switch with count <= 1 without
4198 * sending a CSA action frame is kind of useless,
4199 * because the clients won't know we're changing
4200 * channels. The action frame must be implemented
4201 * either here or in the userspace.
4202 */
4203 if (params->count <= 1)
4204 break;
4205
4206 if ((params->n_counter_offsets_beacon >
4207 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
4208 (params->n_counter_offsets_presp >
4209 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) {
4210 ieee80211_free_next_beacon(link: link_data);
4211 return -EINVAL;
4212 }
4213
4214 csa.counter_offsets_beacon = params->counter_offsets_beacon;
4215 csa.counter_offsets_presp = params->counter_offsets_presp;
4216 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
4217 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
4218 csa.count = params->count;
4219
4220 err = ieee80211_assign_beacon(sdata, link: link_data,
4221 params: &params->beacon_csa, csa: &csa,
4222 NULL, changed);
4223 if (err < 0) {
4224 ieee80211_free_next_beacon(link: link_data);
4225 return err;
4226 }
4227
4228 break;
4229 case NL80211_IFTYPE_ADHOC:
4230 if (!sdata->vif.cfg.ibss_joined)
4231 return -EINVAL;
4232
4233 if (params->chandef.width != sdata->u.ibss.chandef.width)
4234 return -EINVAL;
4235
4236 switch (params->chandef.width) {
4237 case NL80211_CHAN_WIDTH_40:
4238 if (cfg80211_get_chandef_type(chandef: &params->chandef) !=
4239 cfg80211_get_chandef_type(chandef: &sdata->u.ibss.chandef))
4240 return -EINVAL;
4241 break;
4242 case NL80211_CHAN_WIDTH_5:
4243 case NL80211_CHAN_WIDTH_10:
4244 case NL80211_CHAN_WIDTH_20_NOHT:
4245 case NL80211_CHAN_WIDTH_20:
4246 break;
4247 default:
4248 return -EINVAL;
4249 }
4250
4251 /* changes into another band are not supported */
4252 if (sdata->u.ibss.chandef.chan->band !=
4253 params->chandef.chan->band)
4254 return -EINVAL;
4255
4256 /* see comments in the NL80211_IFTYPE_AP block */
4257 if (params->count > 1) {
4258 err = ieee80211_ibss_csa_beacon(sdata, csa_settings: params, changed);
4259 if (err < 0)
4260 return err;
4261 }
4262
4263 ieee80211_send_action_csa(sdata, csa_settings: params);
4264
4265 break;
4266#ifdef CONFIG_MAC80211_MESH
4267 case NL80211_IFTYPE_MESH_POINT: {
4268 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
4269
4270 /* changes into another band are not supported */
4271 if (sdata->vif.bss_conf.chanreq.oper.chan->band !=
4272 params->chandef.chan->band)
4273 return -EINVAL;
4274
4275 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
4276 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
4277 if (!ifmsh->pre_value)
4278 ifmsh->pre_value = 1;
4279 else
4280 ifmsh->pre_value++;
4281 }
4282
4283 /* see comments in the NL80211_IFTYPE_AP block */
4284 if (params->count > 1) {
4285 err = ieee80211_mesh_csa_beacon(sdata, params, changed);
4286 if (err < 0) {
4287 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
4288 return err;
4289 }
4290 }
4291
4292 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
4293 ieee80211_send_action_csa(sdata, params);
4294
4295 break;
4296 }
4297#endif
4298 default:
4299 return -EOPNOTSUPP;
4300 }
4301
4302 return 0;
4303}
4304
4305static void ieee80211_color_change_abort(struct ieee80211_link_data *link)
4306{
4307 link->conf->color_change_active = false;
4308
4309 ieee80211_free_next_beacon(link);
4310
4311 cfg80211_color_change_aborted_notify(dev: link->sdata->dev, link_id: link->link_id);
4312}
4313
4314static int
4315__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4316 struct cfg80211_csa_settings *params)
4317{
4318 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4319 struct ieee80211_chan_req chanreq = { .oper = params->chandef };
4320 struct ieee80211_local *local = sdata->local;
4321 struct ieee80211_channel_switch ch_switch = {
4322 .link_id = params->link_id,
4323 };
4324 struct ieee80211_chanctx_conf *conf;
4325 struct ieee80211_chanctx *chanctx;
4326 struct ieee80211_bss_conf *link_conf;
4327 struct ieee80211_link_data *link_data;
4328 u64 changed = 0;
4329 u8 link_id = params->link_id;
4330 int err;
4331
4332 lockdep_assert_wiphy(local->hw.wiphy);
4333
4334 if (ieee80211_is_scan_ongoing(wiphy, local, chandef: &params->chandef))
4335 return -EBUSY;
4336
4337 if (sdata->wdev.links[link_id].cac_started)
4338 return -EBUSY;
4339
4340 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4341 return -EINVAL;
4342
4343 link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
4344 if (!link_data)
4345 return -ENOLINK;
4346
4347 link_conf = link_data->conf;
4348
4349 if (chanreq.oper.punctured && !link_conf->eht_support)
4350 return -EINVAL;
4351
4352 /* don't allow another channel switch if one is already active. */
4353 if (link_conf->csa_active)
4354 return -EBUSY;
4355
4356 conf = wiphy_dereference(wiphy, link_conf->chanctx_conf);
4357 if (!conf) {
4358 err = -EBUSY;
4359 goto out;
4360 }
4361
4362 if (params->chandef.chan->freq_offset) {
4363 /* this may work, but is untested */
4364 err = -EOPNOTSUPP;
4365 goto out;
4366 }
4367
4368 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
4369 params: &params->unsol_bcast_probe_resp,
4370 link: link_data, link_conf, changed: &changed);
4371 if (err)
4372 goto out;
4373
4374 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
4375
4376 ch_switch.timestamp = 0;
4377 ch_switch.device_timestamp = 0;
4378 ch_switch.block_tx = params->block_tx;
4379 ch_switch.chandef = chanreq.oper;
4380 ch_switch.count = params->count;
4381
4382 err = drv_pre_channel_switch(sdata, ch_switch: &ch_switch);
4383 if (err)
4384 goto out;
4385
4386 err = ieee80211_link_reserve_chanctx(link: link_data, req: &chanreq,
4387 mode: chanctx->mode,
4388 radar_required: params->radar_required);
4389 if (err)
4390 goto out;
4391
4392 /* if reservation is invalid then this will fail */
4393 err = ieee80211_check_combinations(sdata, NULL, chanmode: chanctx->mode, radar_detect: 0, radio_idx: -1);
4394 if (err) {
4395 ieee80211_link_unreserve_chanctx(link: link_data);
4396 goto out;
4397 }
4398
4399 /* if there is a color change in progress, abort it */
4400 if (link_conf->color_change_active)
4401 ieee80211_color_change_abort(link: link_data);
4402
4403 err = ieee80211_set_csa_beacon(link_data, params, changed: &changed);
4404 if (err) {
4405 ieee80211_link_unreserve_chanctx(link: link_data);
4406 goto out;
4407 }
4408
4409 link_data->csa.chanreq = chanreq;
4410 link_conf->csa_active = true;
4411
4412 if (params->block_tx)
4413 ieee80211_vif_block_queues_csa(sdata);
4414
4415 cfg80211_ch_switch_started_notify(dev: sdata->dev,
4416 chandef: &link_data->csa.chanreq.oper, link_id,
4417 count: params->count, quiet: params->block_tx);
4418
4419 if (changed) {
4420 ieee80211_link_info_change_notify(sdata, link: link_data, changed);
4421 drv_channel_switch_beacon(sdata, chandef: &link_data->csa.chanreq.oper);
4422 } else {
4423 /* if the beacon didn't change, we can finalize immediately */
4424 ieee80211_csa_finalize(link_data);
4425 }
4426
4427out:
4428 return err;
4429}
4430
4431int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4432 struct cfg80211_csa_settings *params)
4433{
4434 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4435 struct ieee80211_local *local = sdata->local;
4436
4437 lockdep_assert_wiphy(local->hw.wiphy);
4438
4439 return __ieee80211_channel_switch(wiphy, dev, params);
4440}
4441
4442u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
4443{
4444 lockdep_assert_wiphy(local->hw.wiphy);
4445
4446 local->roc_cookie_counter++;
4447
4448 /* wow, you wrapped 64 bits ... more likely a bug */
4449 if (WARN_ON(local->roc_cookie_counter == 0))
4450 local->roc_cookie_counter++;
4451
4452 return local->roc_cookie_counter;
4453}
4454
4455int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
4456 u64 *cookie, gfp_t gfp)
4457{
4458 unsigned long spin_flags;
4459 struct sk_buff *ack_skb;
4460 int id;
4461
4462 ack_skb = skb_copy(skb, priority: gfp);
4463 if (!ack_skb)
4464 return -ENOMEM;
4465
4466 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
4467 id = idr_alloc(&local->ack_status_frames, ptr: ack_skb,
4468 start: 1, end: 0x2000, GFP_ATOMIC);
4469 spin_unlock_irqrestore(lock: &local->ack_status_lock, flags: spin_flags);
4470
4471 if (id < 0) {
4472 kfree_skb(skb: ack_skb);
4473 return -ENOMEM;
4474 }
4475
4476 IEEE80211_SKB_CB(skb)->status_data_idr = 1;
4477 IEEE80211_SKB_CB(skb)->status_data = id;
4478
4479 *cookie = ieee80211_mgmt_tx_cookie(local);
4480 IEEE80211_SKB_CB(skb: ack_skb)->ack.cookie = *cookie;
4481
4482 return 0;
4483}
4484
4485static void
4486ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
4487 struct wireless_dev *wdev,
4488 struct mgmt_frame_regs *upd)
4489{
4490 struct ieee80211_local *local = wiphy_priv(wiphy);
4491 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4492 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
4493 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
4494 bool global_change, intf_change;
4495
4496 global_change =
4497 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
4498 (local->rx_mcast_action_reg !=
4499 !!(upd->global_mcast_stypes & action_mask));
4500 local->probe_req_reg = upd->global_stypes & preq_mask;
4501 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
4502
4503 intf_change = (sdata->vif.probe_req_reg !=
4504 !!(upd->interface_stypes & preq_mask)) ||
4505 (sdata->vif.rx_mcast_action_reg !=
4506 !!(upd->interface_mcast_stypes & action_mask));
4507 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
4508 sdata->vif.rx_mcast_action_reg =
4509 upd->interface_mcast_stypes & action_mask;
4510
4511 if (!local->open_count)
4512 return;
4513
4514 if (intf_change && ieee80211_sdata_running(sdata))
4515 drv_config_iface_filter(local, sdata,
4516 filter_flags: sdata->vif.probe_req_reg ?
4517 FIF_PROBE_REQ : 0,
4518 changed_flags: FIF_PROBE_REQ);
4519
4520 if (global_change)
4521 ieee80211_configure_filter(local);
4522}
4523
4524static int ieee80211_set_antenna(struct wiphy *wiphy, int radio_idx,
4525 u32 tx_ant, u32 rx_ant)
4526{
4527 struct ieee80211_local *local = wiphy_priv(wiphy);
4528 int ret;
4529
4530 if (local->started)
4531 return -EOPNOTSUPP;
4532
4533 ret = drv_set_antenna(local, tx_ant, rx_ant);
4534 if (ret)
4535 return ret;
4536
4537 local->rx_chains = hweight8(rx_ant);
4538 return 0;
4539}
4540
4541static int ieee80211_get_antenna(struct wiphy *wiphy, int radio_idx,
4542 u32 *tx_ant, u32 *rx_ant)
4543{
4544 struct ieee80211_local *local = wiphy_priv(wiphy);
4545
4546 return drv_get_antenna(local, radio_idx, tx_ant, rx_ant);
4547}
4548
4549static int ieee80211_set_rekey_data(struct wiphy *wiphy,
4550 struct net_device *dev,
4551 struct cfg80211_gtk_rekey_data *data)
4552{
4553 struct ieee80211_local *local = wiphy_priv(wiphy);
4554 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4555
4556 if (!local->ops->set_rekey_data)
4557 return -EOPNOTSUPP;
4558
4559 drv_set_rekey_data(local, sdata, data);
4560
4561 return 0;
4562}
4563
4564static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
4565 const u8 *peer, u64 *cookie)
4566{
4567 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4568 struct ieee80211_local *local = sdata->local;
4569 struct ieee80211_qos_hdr *nullfunc;
4570 struct sk_buff *skb;
4571 int size = sizeof(*nullfunc);
4572 __le16 fc;
4573 bool qos;
4574 struct ieee80211_tx_info *info;
4575 struct sta_info *sta;
4576 struct ieee80211_chanctx_conf *chanctx_conf;
4577 enum nl80211_band band;
4578 int ret;
4579
4580 /* the lock is needed to assign the cookie later */
4581 lockdep_assert_wiphy(local->hw.wiphy);
4582
4583 rcu_read_lock();
4584 sta = sta_info_get_bss(sdata, addr: peer);
4585 if (!sta) {
4586 ret = -ENOLINK;
4587 goto unlock;
4588 }
4589
4590 qos = sta->sta.wme;
4591
4592 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
4593 if (WARN_ON(!chanctx_conf)) {
4594 ret = -EINVAL;
4595 goto unlock;
4596 }
4597 band = chanctx_conf->def.chan->band;
4598
4599 if (qos) {
4600 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4601 IEEE80211_STYPE_QOS_NULLFUNC |
4602 IEEE80211_FCTL_FROMDS);
4603 } else {
4604 size -= 2;
4605 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4606 IEEE80211_STYPE_NULLFUNC |
4607 IEEE80211_FCTL_FROMDS);
4608 }
4609
4610 skb = dev_alloc_skb(length: local->hw.extra_tx_headroom + size);
4611 if (!skb) {
4612 ret = -ENOMEM;
4613 goto unlock;
4614 }
4615
4616 skb->dev = dev;
4617
4618 skb_reserve(skb, len: local->hw.extra_tx_headroom);
4619
4620 nullfunc = skb_put(skb, len: size);
4621 nullfunc->frame_control = fc;
4622 nullfunc->duration_id = 0;
4623 memcpy(to: nullfunc->addr1, from: sta->sta.addr, ETH_ALEN);
4624 memcpy(to: nullfunc->addr2, from: sdata->vif.addr, ETH_ALEN);
4625 memcpy(to: nullfunc->addr3, from: sdata->vif.addr, ETH_ALEN);
4626 nullfunc->seq_ctrl = 0;
4627
4628 info = IEEE80211_SKB_CB(skb);
4629
4630 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
4631 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
4632 info->band = band;
4633
4634 skb_set_queue_mapping(skb, queue_mapping: IEEE80211_AC_VO);
4635 skb->priority = 7;
4636 if (qos)
4637 nullfunc->qos_ctrl = cpu_to_le16(7);
4638
4639 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
4640 if (ret) {
4641 kfree_skb(skb);
4642 goto unlock;
4643 }
4644
4645 local_bh_disable();
4646 ieee80211_xmit(sdata, sta, skb);
4647 local_bh_enable();
4648
4649 ret = 0;
4650unlock:
4651 rcu_read_unlock();
4652
4653 return ret;
4654}
4655
4656static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
4657 struct wireless_dev *wdev,
4658 unsigned int link_id,
4659 struct cfg80211_chan_def *chandef)
4660{
4661 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4662 struct ieee80211_local *local = wiphy_priv(wiphy);
4663 struct ieee80211_chanctx_conf *chanctx_conf;
4664 struct ieee80211_link_data *link;
4665 int ret = -ENODATA;
4666
4667 rcu_read_lock();
4668 link = rcu_dereference(sdata->link[link_id]);
4669 if (!link) {
4670 ret = -ENOLINK;
4671 goto out;
4672 }
4673
4674 chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
4675 if (chanctx_conf) {
4676 *chandef = link->conf->chanreq.oper;
4677 ret = 0;
4678 } else if (local->open_count > 0 &&
4679 local->open_count == local->virt_monitors &&
4680 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
4681 *chandef = local->monitor_chanreq.oper;
4682 ret = 0;
4683 }
4684out:
4685 rcu_read_unlock();
4686
4687 return ret;
4688}
4689
4690#ifdef CONFIG_PM
4691static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
4692{
4693 drv_set_wakeup(local: wiphy_priv(wiphy), enabled);
4694}
4695#endif
4696
4697static int ieee80211_set_qos_map(struct wiphy *wiphy,
4698 struct net_device *dev,
4699 struct cfg80211_qos_map *qos_map)
4700{
4701 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4702 struct mac80211_qos_map *new_qos_map, *old_qos_map;
4703
4704 if (qos_map) {
4705 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
4706 if (!new_qos_map)
4707 return -ENOMEM;
4708 memcpy(to: &new_qos_map->qos_map, from: qos_map, len: sizeof(*qos_map));
4709 } else {
4710 /* A NULL qos_map was passed to disable QoS mapping */
4711 new_qos_map = NULL;
4712 }
4713
4714 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
4715 rcu_assign_pointer(sdata->qos_map, new_qos_map);
4716 if (old_qos_map)
4717 kfree_rcu(old_qos_map, rcu_head);
4718
4719 return 0;
4720}
4721
4722static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
4723 struct net_device *dev,
4724 unsigned int link_id,
4725 struct cfg80211_chan_def *chandef)
4726{
4727 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4728 struct ieee80211_link_data *link;
4729 struct ieee80211_chan_req chanreq = { .oper = *chandef };
4730 int ret;
4731 u64 changed = 0;
4732
4733 link = sdata_dereference(sdata->link[link_id], sdata);
4734
4735 ret = ieee80211_link_change_chanreq(link, req: &chanreq, changed: &changed);
4736 if (ret == 0)
4737 ieee80211_link_info_change_notify(sdata, link, changed);
4738
4739 return ret;
4740}
4741
4742static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4743 u8 tsid, const u8 *peer, u8 up,
4744 u16 admitted_time)
4745{
4746 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4747 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4748 int ac = ieee802_1d_to_ac[up];
4749
4750 if (sdata->vif.type != NL80211_IFTYPE_STATION)
4751 return -EOPNOTSUPP;
4752
4753 if (!(sdata->wmm_acm & BIT(up)))
4754 return -EINVAL;
4755
4756 if (ifmgd->tx_tspec[ac].admitted_time)
4757 return -EBUSY;
4758
4759 if (admitted_time) {
4760 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
4761 ifmgd->tx_tspec[ac].tsid = tsid;
4762 ifmgd->tx_tspec[ac].up = up;
4763 }
4764
4765 return 0;
4766}
4767
4768static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4769 u8 tsid, const u8 *peer)
4770{
4771 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4772 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4773 struct ieee80211_local *local = wiphy_priv(wiphy);
4774 int ac;
4775
4776 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
4777 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
4778
4779 /* skip unused entries */
4780 if (!tx_tspec->admitted_time)
4781 continue;
4782
4783 if (tx_tspec->tsid != tsid)
4784 continue;
4785
4786 /* due to this new packets will be reassigned to non-ACM ACs */
4787 tx_tspec->up = -1;
4788
4789 /* Make sure that all packets have been sent to avoid to
4790 * restore the QoS params on packets that are still on the
4791 * queues.
4792 */
4793 synchronize_net();
4794 ieee80211_flush_queues(local, sdata, drop: false);
4795
4796 /* restore the normal QoS parameters
4797 * (unconditionally to avoid races)
4798 */
4799 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
4800 tx_tspec->downgraded = false;
4801 ieee80211_sta_handle_tspec_ac_params(sdata);
4802
4803 /* finally clear all the data */
4804 memset(s: tx_tspec, c: 0, n: sizeof(*tx_tspec));
4805
4806 return 0;
4807 }
4808
4809 return -ENOENT;
4810}
4811
4812void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
4813 u8 inst_id,
4814 enum nl80211_nan_func_term_reason reason,
4815 gfp_t gfp)
4816{
4817 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
4818 struct cfg80211_nan_func *func;
4819 u64 cookie;
4820
4821 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4822 return;
4823
4824 spin_lock_bh(lock: &sdata->u.nan.func_lock);
4825
4826 func = idr_find(&sdata->u.nan.function_inst_ids, id: inst_id);
4827 if (WARN_ON(!func)) {
4828 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
4829 return;
4830 }
4831
4832 cookie = func->cookie;
4833 idr_remove(&sdata->u.nan.function_inst_ids, id: inst_id);
4834
4835 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
4836
4837 cfg80211_free_nan_func(f: func);
4838
4839 cfg80211_nan_func_terminated(wdev: ieee80211_vif_to_wdev(vif), inst_id,
4840 reason, cookie, gfp);
4841}
4842EXPORT_SYMBOL(ieee80211_nan_func_terminated);
4843
4844void ieee80211_nan_func_match(struct ieee80211_vif *vif,
4845 struct cfg80211_nan_match_params *match,
4846 gfp_t gfp)
4847{
4848 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
4849 struct cfg80211_nan_func *func;
4850
4851 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4852 return;
4853
4854 spin_lock_bh(lock: &sdata->u.nan.func_lock);
4855
4856 func = idr_find(&sdata->u.nan.function_inst_ids, id: match->inst_id);
4857 if (WARN_ON(!func)) {
4858 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
4859 return;
4860 }
4861 match->cookie = func->cookie;
4862
4863 spin_unlock_bh(lock: &sdata->u.nan.func_lock);
4864
4865 cfg80211_nan_match(wdev: ieee80211_vif_to_wdev(vif), match, gfp);
4866}
4867EXPORT_SYMBOL(ieee80211_nan_func_match);
4868
4869static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
4870 struct net_device *dev,
4871 const bool enabled)
4872{
4873 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4874
4875 sdata->u.ap.multicast_to_unicast = enabled;
4876
4877 return 0;
4878}
4879
4880void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
4881 struct txq_info *txqi)
4882{
4883 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
4884 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
4885 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
4886 }
4887
4888 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
4889 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
4890 txqstats->backlog_packets = txqi->tin.backlog_packets;
4891 }
4892
4893 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
4894 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
4895 txqstats->flows = txqi->tin.flows;
4896 }
4897
4898 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
4899 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
4900 txqstats->drops = txqi->cstats.drop_count;
4901 }
4902
4903 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
4904 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
4905 txqstats->ecn_marks = txqi->cstats.ecn_mark;
4906 }
4907
4908 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
4909 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
4910 txqstats->overlimit = txqi->tin.overlimit;
4911 }
4912
4913 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
4914 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
4915 txqstats->collisions = txqi->tin.collisions;
4916 }
4917
4918 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
4919 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
4920 txqstats->tx_bytes = txqi->tin.tx_bytes;
4921 }
4922
4923 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
4924 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
4925 txqstats->tx_packets = txqi->tin.tx_packets;
4926 }
4927}
4928
4929static int ieee80211_get_txq_stats(struct wiphy *wiphy,
4930 struct wireless_dev *wdev,
4931 struct cfg80211_txq_stats *txqstats)
4932{
4933 struct ieee80211_local *local = wiphy_priv(wiphy);
4934 struct ieee80211_sub_if_data *sdata;
4935 int ret = 0;
4936
4937 spin_lock_bh(lock: &local->fq.lock);
4938
4939 if (wdev) {
4940 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4941 if (!sdata->vif.txq) {
4942 ret = 1;
4943 goto out;
4944 }
4945 ieee80211_fill_txq_stats(txqstats, txqi: to_txq_info(txq: sdata->vif.txq));
4946 } else {
4947 /* phy stats */
4948 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
4949 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
4950 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4951 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4952 BIT(NL80211_TXQ_STATS_COLLISIONS) |
4953 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4954 txqstats->backlog_packets = local->fq.backlog;
4955 txqstats->backlog_bytes = local->fq.memory_usage;
4956 txqstats->overlimit = local->fq.overlimit;
4957 txqstats->overmemory = local->fq.overmemory;
4958 txqstats->collisions = local->fq.collisions;
4959 txqstats->max_flows = local->fq.flows_cnt;
4960 }
4961
4962out:
4963 spin_unlock_bh(lock: &local->fq.lock);
4964
4965 return ret;
4966}
4967
4968static int
4969ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4970 struct net_device *dev,
4971 struct cfg80211_ftm_responder_stats *ftm_stats)
4972{
4973 struct ieee80211_local *local = wiphy_priv(wiphy);
4974 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4975
4976 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4977}
4978
4979static int
4980ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4981 struct cfg80211_pmsr_request *request)
4982{
4983 struct ieee80211_local *local = wiphy_priv(wiphy);
4984 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev: dev);
4985
4986 return drv_start_pmsr(local, sdata, request);
4987}
4988
4989static void
4990ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4991 struct cfg80211_pmsr_request *request)
4992{
4993 struct ieee80211_local *local = wiphy_priv(wiphy);
4994 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev: dev);
4995
4996 return drv_abort_pmsr(local, sdata, request);
4997}
4998
4999static int ieee80211_set_tid_config(struct wiphy *wiphy,
5000 struct net_device *dev,
5001 struct cfg80211_tid_config *tid_conf)
5002{
5003 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5004 struct sta_info *sta;
5005
5006 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5007
5008 if (!sdata->local->ops->set_tid_config)
5009 return -EOPNOTSUPP;
5010
5011 if (!tid_conf->peer)
5012 return drv_set_tid_config(local: sdata->local, sdata, NULL, tid_conf);
5013
5014 sta = sta_info_get_bss(sdata, addr: tid_conf->peer);
5015 if (!sta)
5016 return -ENOENT;
5017
5018 return drv_set_tid_config(local: sdata->local, sdata, sta: &sta->sta, tid_conf);
5019}
5020
5021static int ieee80211_reset_tid_config(struct wiphy *wiphy,
5022 struct net_device *dev,
5023 const u8 *peer, u8 tids)
5024{
5025 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5026 struct sta_info *sta;
5027
5028 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5029
5030 if (!sdata->local->ops->reset_tid_config)
5031 return -EOPNOTSUPP;
5032
5033 if (!peer)
5034 return drv_reset_tid_config(local: sdata->local, sdata, NULL, tids);
5035
5036 sta = sta_info_get_bss(sdata, addr: peer);
5037 if (!sta)
5038 return -ENOENT;
5039
5040 return drv_reset_tid_config(local: sdata->local, sdata, sta: &sta->sta, tids);
5041}
5042
5043static int ieee80211_set_sar_specs(struct wiphy *wiphy,
5044 struct cfg80211_sar_specs *sar)
5045{
5046 struct ieee80211_local *local = wiphy_priv(wiphy);
5047
5048 if (!local->ops->set_sar_specs)
5049 return -EOPNOTSUPP;
5050
5051 return local->ops->set_sar_specs(&local->hw, sar);
5052}
5053
5054static int
5055ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link,
5056 u64 *changed)
5057{
5058 struct ieee80211_sub_if_data *sdata = link->sdata;
5059
5060 switch (sdata->vif.type) {
5061 case NL80211_IFTYPE_AP: {
5062 int ret;
5063
5064 if (!link->u.ap.next_beacon)
5065 return -EINVAL;
5066
5067 ret = ieee80211_assign_beacon(sdata, link,
5068 params: link->u.ap.next_beacon,
5069 NULL, NULL, changed);
5070 ieee80211_free_next_beacon(link);
5071
5072 if (ret < 0)
5073 return ret;
5074
5075 break;
5076 }
5077 default:
5078 WARN_ON_ONCE(1);
5079 return -EINVAL;
5080 }
5081
5082 return 0;
5083}
5084
5085static int
5086ieee80211_set_color_change_beacon(struct ieee80211_link_data *link,
5087 struct cfg80211_color_change_settings *params,
5088 u64 *changed)
5089{
5090 struct ieee80211_sub_if_data *sdata = link->sdata;
5091 struct ieee80211_color_change_settings color_change = {};
5092 int err;
5093
5094 switch (sdata->vif.type) {
5095 case NL80211_IFTYPE_AP:
5096 link->u.ap.next_beacon =
5097 cfg80211_beacon_dup(beacon: &params->beacon_next);
5098 if (!link->u.ap.next_beacon)
5099 return -ENOMEM;
5100
5101 if (params->count <= 1)
5102 break;
5103
5104 color_change.counter_offset_beacon =
5105 params->counter_offset_beacon;
5106 color_change.counter_offset_presp =
5107 params->counter_offset_presp;
5108 color_change.count = params->count;
5109
5110 err = ieee80211_assign_beacon(sdata, link,
5111 params: &params->beacon_color_change,
5112 NULL, cca: &color_change, changed);
5113 if (err < 0) {
5114 ieee80211_free_next_beacon(link);
5115 return err;
5116 }
5117 break;
5118 default:
5119 return -EOPNOTSUPP;
5120 }
5121
5122 return 0;
5123}
5124
5125static void
5126ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link,
5127 u8 color, int enable, u64 changed)
5128{
5129 struct ieee80211_sub_if_data *sdata = link->sdata;
5130
5131 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5132
5133 link->conf->he_bss_color.color = color;
5134 link->conf->he_bss_color.enabled = enable;
5135 changed |= BSS_CHANGED_HE_BSS_COLOR;
5136
5137 ieee80211_link_info_change_notify(sdata, link, changed);
5138
5139 if (!link->conf->nontransmitted &&
5140 rcu_access_pointer(link->conf->tx_bss_conf)) {
5141 struct ieee80211_link_data *tmp;
5142
5143 for_each_sdata_link(sdata->local, tmp) {
5144 if (tmp->sdata == sdata ||
5145 rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf)
5146 continue;
5147
5148 tmp->conf->he_bss_color.color = color;
5149 tmp->conf->he_bss_color.enabled = enable;
5150 ieee80211_link_info_change_notify(sdata: tmp->sdata, link: tmp,
5151 changed: BSS_CHANGED_HE_BSS_COLOR);
5152 }
5153 }
5154}
5155
5156static int ieee80211_color_change_finalize(struct ieee80211_link_data *link)
5157{
5158 struct ieee80211_sub_if_data *sdata = link->sdata;
5159 struct ieee80211_local *local = sdata->local;
5160 u64 changed = 0;
5161 int err;
5162
5163 lockdep_assert_wiphy(local->hw.wiphy);
5164
5165 link->conf->color_change_active = false;
5166
5167 err = ieee80211_set_after_color_change_beacon(link, changed: &changed);
5168 if (err) {
5169 cfg80211_color_change_aborted_notify(dev: sdata->dev, link_id: link->link_id);
5170 return err;
5171 }
5172
5173 ieee80211_color_change_bss_config_notify(link,
5174 color: link->conf->color_change_color,
5175 enable: 1, changed);
5176 cfg80211_color_change_notify(dev: sdata->dev, link_id: link->link_id);
5177
5178 return 0;
5179}
5180
5181void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
5182 struct wiphy_work *work)
5183{
5184 struct ieee80211_link_data *link =
5185 container_of(work, struct ieee80211_link_data,
5186 color_change_finalize_work);
5187 struct ieee80211_sub_if_data *sdata = link->sdata;
5188 struct ieee80211_bss_conf *link_conf = link->conf;
5189 struct ieee80211_local *local = sdata->local;
5190
5191 lockdep_assert_wiphy(local->hw.wiphy);
5192
5193 /* AP might have been stopped while waiting for the lock. */
5194 if (!link_conf->color_change_active)
5195 return;
5196
5197 if (!ieee80211_sdata_running(sdata))
5198 return;
5199
5200 ieee80211_color_change_finalize(link);
5201}
5202
5203void ieee80211_color_collision_detection_work(struct wiphy *wiphy,
5204 struct wiphy_work *work)
5205{
5206 struct ieee80211_link_data *link =
5207 container_of(work, struct ieee80211_link_data,
5208 color_collision_detect_work.work);
5209 struct ieee80211_sub_if_data *sdata = link->sdata;
5210
5211 cfg80211_obss_color_collision_notify(dev: sdata->dev, color_bitmap: link->color_bitmap,
5212 link_id: link->link_id);
5213}
5214
5215void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id)
5216{
5217 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
5218 struct ieee80211_link_data *link;
5219
5220 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5221 return;
5222
5223 rcu_read_lock();
5224
5225 link = rcu_dereference(sdata->link[link_id]);
5226 if (WARN_ON(!link)) {
5227 rcu_read_unlock();
5228 return;
5229 }
5230
5231 wiphy_work_queue(wiphy: sdata->local->hw.wiphy,
5232 work: &link->color_change_finalize_work);
5233
5234 rcu_read_unlock();
5235}
5236EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
5237
5238void
5239ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
5240 u64 color_bitmap, u8 link_id)
5241{
5242 struct ieee80211_sub_if_data *sdata = vif_to_sdata(p: vif);
5243 struct ieee80211_link_data *link;
5244
5245 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5246 return;
5247
5248 rcu_read_lock();
5249
5250 link = rcu_dereference(sdata->link[link_id]);
5251 if (WARN_ON(!link)) {
5252 rcu_read_unlock();
5253 return;
5254 }
5255
5256 if (link->conf->color_change_active || link->conf->csa_active) {
5257 rcu_read_unlock();
5258 return;
5259 }
5260
5261 if (wiphy_delayed_work_pending(wiphy: sdata->local->hw.wiphy,
5262 dwork: &link->color_collision_detect_work)) {
5263 rcu_read_unlock();
5264 return;
5265 }
5266
5267 link->color_bitmap = color_bitmap;
5268 /* queue the color collision detection event every 500 ms in order to
5269 * avoid sending too much netlink messages to userspace.
5270 */
5271 wiphy_delayed_work_queue(wiphy: sdata->local->hw.wiphy,
5272 dwork: &link->color_collision_detect_work,
5273 delay: msecs_to_jiffies(m: 500));
5274
5275 rcu_read_unlock();
5276}
5277EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify);
5278
5279static int
5280ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
5281 struct cfg80211_color_change_settings *params)
5282{
5283 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5284 struct ieee80211_local *local = sdata->local;
5285 struct ieee80211_bss_conf *link_conf;
5286 struct ieee80211_link_data *link;
5287 u8 link_id = params->link_id;
5288 u64 changed = 0;
5289 int err;
5290
5291 lockdep_assert_wiphy(local->hw.wiphy);
5292
5293 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5294 return -EINVAL;
5295
5296 link = wiphy_dereference(wiphy, sdata->link[link_id]);
5297 if (!link)
5298 return -ENOLINK;
5299
5300 link_conf = link->conf;
5301
5302 if (link_conf->nontransmitted)
5303 return -EINVAL;
5304
5305 /* don't allow another color change if one is already active or if csa
5306 * is active
5307 */
5308 if (link_conf->color_change_active || link_conf->csa_active) {
5309 err = -EBUSY;
5310 goto out;
5311 }
5312
5313 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
5314 params: &params->unsol_bcast_probe_resp,
5315 link, link_conf, changed: &changed);
5316 if (err)
5317 goto out;
5318
5319 err = ieee80211_set_color_change_beacon(link, params, changed: &changed);
5320 if (err)
5321 goto out;
5322
5323 link_conf->color_change_active = true;
5324 link_conf->color_change_color = params->color;
5325
5326 cfg80211_color_change_started_notify(dev: sdata->dev, count: params->count, link_id);
5327
5328 if (changed)
5329 ieee80211_color_change_bss_config_notify(link, color: 0, enable: 0, changed);
5330 else
5331 /* if the beacon didn't change, we can finalize immediately */
5332 ieee80211_color_change_finalize(link);
5333
5334out:
5335
5336 return err;
5337}
5338
5339static int
5340ieee80211_set_radar_background(struct wiphy *wiphy,
5341 struct cfg80211_chan_def *chandef)
5342{
5343 struct ieee80211_local *local = wiphy_priv(wiphy);
5344
5345 if (!local->ops->set_radar_background)
5346 return -EOPNOTSUPP;
5347
5348 return local->ops->set_radar_background(&local->hw, chandef);
5349}
5350
5351static int ieee80211_add_intf_link(struct wiphy *wiphy,
5352 struct wireless_dev *wdev,
5353 unsigned int link_id)
5354{
5355 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
5356
5357 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5358
5359 if (wdev->use_4addr)
5360 return -EOPNOTSUPP;
5361
5362 return ieee80211_vif_set_links(sdata, new_links: wdev->valid_links, dormant_links: 0);
5363}
5364
5365static void ieee80211_del_intf_link(struct wiphy *wiphy,
5366 struct wireless_dev *wdev,
5367 unsigned int link_id)
5368{
5369 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
5370 u16 new_links = wdev->valid_links & ~BIT(link_id);
5371
5372 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5373
5374 /* During the link teardown process, certain functions require the
5375 * link_id to remain in the valid_links bitmap. Therefore, instead
5376 * of removing the link_id from the bitmap, pass a masked value to
5377 * simulate as if link_id does not exist anymore.
5378 */
5379 ieee80211_vif_set_links(sdata, new_links, dormant_links: 0);
5380}
5381
5382static int
5383ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev,
5384 struct link_station_parameters *params)
5385{
5386 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5387 struct ieee80211_local *local = wiphy_priv(wiphy);
5388 struct sta_info *sta;
5389 int ret;
5390
5391 lockdep_assert_wiphy(local->hw.wiphy);
5392
5393 sta = sta_info_get_bss(sdata, addr: params->mld_mac);
5394 if (!sta)
5395 return -ENOENT;
5396
5397 if (!sta->sta.valid_links)
5398 return -EINVAL;
5399
5400 if (sta->sta.valid_links & BIT(params->link_id))
5401 return -EALREADY;
5402
5403 ret = ieee80211_sta_allocate_link(sta, link_id: params->link_id);
5404 if (ret)
5405 return ret;
5406
5407 ret = sta_link_apply_parameters(local, sta, mode: STA_LINK_MODE_NEW, params);
5408 if (ret) {
5409 ieee80211_sta_free_link(sta, link_id: params->link_id);
5410 return ret;
5411 }
5412
5413 if (test_sta_flag(sta, flag: WLAN_STA_ASSOC)) {
5414 struct link_sta_info *link_sta;
5415
5416 link_sta = sdata_dereference(sta->link[params->link_id], sdata);
5417 rate_control_rate_init(link_sta);
5418 }
5419
5420 /* ieee80211_sta_activate_link frees the link upon failure */
5421 return ieee80211_sta_activate_link(sta, link_id: params->link_id);
5422}
5423
5424static int
5425ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev,
5426 struct link_station_parameters *params)
5427{
5428 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5429 struct ieee80211_local *local = wiphy_priv(wiphy);
5430 struct sta_info *sta;
5431
5432 lockdep_assert_wiphy(local->hw.wiphy);
5433
5434 sta = sta_info_get_bss(sdata, addr: params->mld_mac);
5435 if (!sta)
5436 return -ENOENT;
5437
5438 if (!(sta->sta.valid_links & BIT(params->link_id)))
5439 return -EINVAL;
5440
5441 return sta_link_apply_parameters(local, sta, mode: STA_LINK_MODE_LINK_MODIFY,
5442 params);
5443}
5444
5445static int
5446ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
5447 struct link_station_del_parameters *params)
5448{
5449 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5450 struct sta_info *sta;
5451
5452 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5453
5454 sta = sta_info_get_bss(sdata, addr: params->mld_mac);
5455 if (!sta)
5456 return -ENOENT;
5457
5458 if (!(sta->sta.valid_links & BIT(params->link_id)))
5459 return -EINVAL;
5460
5461 /* must not create a STA without links */
5462 if (sta->sta.valid_links == BIT(params->link_id))
5463 return -EINVAL;
5464
5465 ieee80211_sta_remove_link(sta, link_id: params->link_id);
5466
5467 return 0;
5468}
5469
5470static int ieee80211_set_hw_timestamp(struct wiphy *wiphy,
5471 struct net_device *dev,
5472 struct cfg80211_set_hw_timestamp *hwts)
5473{
5474 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5475 struct ieee80211_local *local = sdata->local;
5476
5477 if (!local->ops->set_hw_timestamp)
5478 return -EOPNOTSUPP;
5479
5480 if (!check_sdata_in_driver(sdata))
5481 return -EIO;
5482
5483 return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts);
5484}
5485
5486static int
5487ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev,
5488 struct cfg80211_ttlm_params *params)
5489{
5490 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5491
5492 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5493
5494 return ieee80211_req_neg_ttlm(sdata, params);
5495}
5496
5497static int
5498ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev,
5499 struct cfg80211_ml_reconf_req *req)
5500{
5501 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5502
5503 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5504
5505 return ieee80211_mgd_assoc_ml_reconf(sdata, req);
5506}
5507
5508static int
5509ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable)
5510{
5511 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5512
5513 return ieee80211_mgd_set_epcs(sdata, enable);
5514}
5515
5516const struct cfg80211_ops mac80211_config_ops = {
5517 .add_virtual_intf = ieee80211_add_iface,
5518 .del_virtual_intf = ieee80211_del_iface,
5519 .change_virtual_intf = ieee80211_change_iface,
5520 .start_p2p_device = ieee80211_start_p2p_device,
5521 .stop_p2p_device = ieee80211_stop_p2p_device,
5522 .add_key = ieee80211_add_key,
5523 .del_key = ieee80211_del_key,
5524 .get_key = ieee80211_get_key,
5525 .set_default_key = ieee80211_config_default_key,
5526 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5527 .set_default_beacon_key = ieee80211_config_default_beacon_key,
5528 .start_ap = ieee80211_start_ap,
5529 .change_beacon = ieee80211_change_beacon,
5530 .stop_ap = ieee80211_stop_ap,
5531 .add_station = ieee80211_add_station,
5532 .del_station = ieee80211_del_station,
5533 .change_station = ieee80211_change_station,
5534 .get_station = ieee80211_get_station,
5535 .dump_station = ieee80211_dump_station,
5536 .dump_survey = ieee80211_dump_survey,
5537#ifdef CONFIG_MAC80211_MESH
5538 .add_mpath = ieee80211_add_mpath,
5539 .del_mpath = ieee80211_del_mpath,
5540 .change_mpath = ieee80211_change_mpath,
5541 .get_mpath = ieee80211_get_mpath,
5542 .dump_mpath = ieee80211_dump_mpath,
5543 .get_mpp = ieee80211_get_mpp,
5544 .dump_mpp = ieee80211_dump_mpp,
5545 .update_mesh_config = ieee80211_update_mesh_config,
5546 .get_mesh_config = ieee80211_get_mesh_config,
5547 .join_mesh = ieee80211_join_mesh,
5548 .leave_mesh = ieee80211_leave_mesh,
5549#endif
5550 .join_ocb = ieee80211_join_ocb,
5551 .leave_ocb = ieee80211_leave_ocb,
5552 .change_bss = ieee80211_change_bss,
5553 .inform_bss = ieee80211_inform_bss,
5554 .set_txq_params = ieee80211_set_txq_params,
5555 .set_monitor_channel = ieee80211_set_monitor_channel,
5556 .suspend = ieee80211_suspend,
5557 .resume = ieee80211_resume,
5558 .scan = ieee80211_scan,
5559 .abort_scan = ieee80211_abort_scan,
5560 .sched_scan_start = ieee80211_sched_scan_start,
5561 .sched_scan_stop = ieee80211_sched_scan_stop,
5562 .auth = ieee80211_auth,
5563 .assoc = ieee80211_assoc,
5564 .deauth = ieee80211_deauth,
5565 .disassoc = ieee80211_disassoc,
5566 .join_ibss = ieee80211_join_ibss,
5567 .leave_ibss = ieee80211_leave_ibss,
5568 .set_mcast_rate = ieee80211_set_mcast_rate,
5569 .set_wiphy_params = ieee80211_set_wiphy_params,
5570 .set_tx_power = ieee80211_set_tx_power,
5571 .get_tx_power = ieee80211_get_tx_power,
5572 .rfkill_poll = ieee80211_rfkill_poll,
5573 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
5574 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
5575 .set_power_mgmt = ieee80211_set_power_mgmt,
5576 .set_bitrate_mask = ieee80211_set_bitrate_mask,
5577 .remain_on_channel = ieee80211_remain_on_channel,
5578 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
5579 .mgmt_tx = ieee80211_mgmt_tx,
5580 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
5581 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
5582 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
5583 .update_mgmt_frame_registrations =
5584 ieee80211_update_mgmt_frame_registrations,
5585 .set_antenna = ieee80211_set_antenna,
5586 .get_antenna = ieee80211_get_antenna,
5587 .set_rekey_data = ieee80211_set_rekey_data,
5588 .tdls_oper = ieee80211_tdls_oper,
5589 .tdls_mgmt = ieee80211_tdls_mgmt,
5590 .tdls_channel_switch = ieee80211_tdls_channel_switch,
5591 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
5592 .probe_client = ieee80211_probe_client,
5593 .set_noack_map = ieee80211_set_noack_map,
5594#ifdef CONFIG_PM
5595 .set_wakeup = ieee80211_set_wakeup,
5596#endif
5597 .get_channel = ieee80211_cfg_get_channel,
5598 .start_radar_detection = ieee80211_start_radar_detection,
5599 .end_cac = ieee80211_end_cac,
5600 .channel_switch = ieee80211_channel_switch,
5601 .set_qos_map = ieee80211_set_qos_map,
5602 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
5603 .add_tx_ts = ieee80211_add_tx_ts,
5604 .del_tx_ts = ieee80211_del_tx_ts,
5605 .start_nan = ieee80211_start_nan,
5606 .stop_nan = ieee80211_stop_nan,
5607 .nan_change_conf = ieee80211_nan_change_conf,
5608 .add_nan_func = ieee80211_add_nan_func,
5609 .del_nan_func = ieee80211_del_nan_func,
5610 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
5611 .tx_control_port = ieee80211_tx_control_port,
5612 .get_txq_stats = ieee80211_get_txq_stats,
5613 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
5614 .start_pmsr = ieee80211_start_pmsr,
5615 .abort_pmsr = ieee80211_abort_pmsr,
5616 .probe_mesh_link = ieee80211_probe_mesh_link,
5617 .set_tid_config = ieee80211_set_tid_config,
5618 .reset_tid_config = ieee80211_reset_tid_config,
5619 .set_sar_specs = ieee80211_set_sar_specs,
5620 .color_change = ieee80211_color_change,
5621 .set_radar_background = ieee80211_set_radar_background,
5622 .add_intf_link = ieee80211_add_intf_link,
5623 .del_intf_link = ieee80211_del_intf_link,
5624 .add_link_station = ieee80211_add_link_station,
5625 .mod_link_station = ieee80211_mod_link_station,
5626 .del_link_station = ieee80211_del_link_station,
5627 .set_hw_timestamp = ieee80211_set_hw_timestamp,
5628 .set_ttlm = ieee80211_set_ttlm,
5629 .get_radio_mask = ieee80211_get_radio_mask,
5630 .assoc_ml_reconf = ieee80211_assoc_ml_reconf,
5631 .set_epcs = ieee80211_set_epcs,
5632};
5633