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
26 static struct ieee80211_link_data *
ieee80211_link_or_deflink(struct ieee80211_sub_if_data * sdata,int link_id,bool require_valid)27 ieee80211_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(&sdata->vif))
39 return ERR_PTR(-EINVAL);
40
41 return &sdata->deflink;
42 }
43
44 link = sdata_dereference(sdata->link[link_id], sdata);
45 if (!link)
46 return ERR_PTR(-ENOLINK);
47 return link;
48 }
49
ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data * sdata,struct vif_params * params)50 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
51 struct vif_params *params)
52 {
53 bool mu_mimo_groups = false;
54 bool mu_mimo_follow = false;
55
56 if (params->vht_mumimo_groups) {
57 u64 membership;
58
59 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
60
61 memcpy(sdata->vif.bss_conf.mu_group.membership,
62 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
63 memcpy(sdata->vif.bss_conf.mu_group.position,
64 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
65 WLAN_USER_POSITION_LEN);
66 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
67 BSS_CHANGED_MU_GROUPS);
68 /* don't care about endianness - just check for 0 */
69 memcpy(&membership, params->vht_mumimo_groups,
70 WLAN_MEMBERSHIP_LEN);
71 mu_mimo_groups = membership != 0;
72 }
73
74 if (params->vht_mumimo_follow_addr) {
75 mu_mimo_follow =
76 is_valid_ether_addr(params->vht_mumimo_follow_addr);
77 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
78 params->vht_mumimo_follow_addr);
79 }
80
81 sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
82 }
83
ieee80211_set_mon_options(struct ieee80211_sub_if_data * sdata,struct vif_params * params)84 static 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(monitor_sdata, params);
123
124 if (params->flags) {
125 if (ieee80211_sdata_running(sdata)) {
126 ieee80211_adjust_monitor_flags(sdata, -1);
127 sdata->u.mntr.flags = params->flags;
128 ieee80211_adjust_monitor_flags(sdata, 1);
129
130 ieee80211_configure_filter(local);
131 } else {
132 /*
133 * Because the interface is down, ieee80211_do_stop
134 * and ieee80211_do_open take care of "everything"
135 * mentioned in the comment above.
136 */
137 sdata->u.mntr.flags = params->flags;
138 }
139 }
140
141 return 0;
142 }
143
ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data * sdata,struct cfg80211_mbssid_config * params,struct ieee80211_bss_conf * link_conf)144 static 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(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
ieee80211_add_iface(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)189 static 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, &wdev, type, params);
201 if (err)
202 return ERR_PTR(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 ieee80211_vif_type_p2p(&sdata->vif));
229 break;
230 }
231
232 return wdev;
233 }
234
ieee80211_del_iface(struct wiphy * wiphy,struct wireless_dev * wdev)235 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
236 {
237 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
238
239 return 0;
240 }
241
ieee80211_change_iface(struct wiphy * wiphy,struct net_device * dev,enum nl80211_iftype type,struct vif_params * params)242 static 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(&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, sdata->deflink.u.mgd.bssid);
276 if (sta)
277 drv_sta_set_4addr(local, sdata, &sta->sta,
278 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
ieee80211_start_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)293 static 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, 0, 0, -1);
302 if (ret < 0)
303 return ret;
304
305 return ieee80211_do_open(wdev, true);
306 }
307
ieee80211_stop_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)308 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
309 struct wireless_dev *wdev)
310 {
311 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
312 }
313
ieee80211_nan_conf_free(struct cfg80211_nan_conf * conf)314 static void ieee80211_nan_conf_free(struct cfg80211_nan_conf *conf)
315 {
316 kfree(conf->cluster_id);
317 kfree(conf->extra_nan_attrs);
318 kfree(conf->vendor_elems);
319 memset(conf, 0, sizeof(*conf));
320 }
321
ieee80211_stop_nan(struct wiphy * wiphy,struct wireless_dev * wdev)322 static 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(sdata->local, sdata);
331 sdata->u.nan.started = false;
332
333 ieee80211_nan_conf_free(&sdata->u.nan.conf);
334
335 ieee80211_sdata_stop(sdata);
336 ieee80211_recalc_idle(sdata->local);
337 }
338
ieee80211_nan_conf_copy(struct cfg80211_nan_conf * dst,struct cfg80211_nan_conf * src,u32 changes)339 static 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(&dst->band_cfgs, &src->band_cfgs,
356 sizeof(dst->band_cfgs));
357
358 kfree(dst->cluster_id);
359 dst->cluster_id = NULL;
360
361 kfree(dst->extra_nan_attrs);
362 dst->extra_nan_attrs = NULL;
363 dst->extra_nan_attrs_len = 0;
364
365 kfree(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
399 no_mem:
400 ieee80211_nan_conf_free(dst);
401 return -ENOMEM;
402 }
403
ieee80211_start_nan(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_nan_conf * conf)404 static 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, 0, 0, -1);
417 if (ret < 0)
418 return ret;
419
420 ret = ieee80211_do_open(wdev, true);
421 if (ret)
422 return ret;
423
424 ret = drv_start_nan(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(sdata->local);
432
433 ret = ieee80211_nan_conf_copy(&sdata->u.nan.conf, conf, 0xFFFFFFFF);
434 if (ret) {
435 ieee80211_stop_nan(wiphy, wdev);
436 return ret;
437 }
438
439 return 0;
440 }
441
ieee80211_nan_change_conf(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_nan_conf * conf,u32 changes)442 static 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(&new_conf, &sdata->u.nan.conf,
464 0xFFFFFFFF);
465 if (ret < 0)
466 return ret;
467
468 ret = ieee80211_nan_conf_copy(&new_conf, conf, changes);
469 if (ret < 0)
470 return ret;
471
472 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
473 if (ret) {
474 ieee80211_nan_conf_free(&new_conf);
475 } else {
476 ieee80211_nan_conf_free(&sdata->u.nan.conf);
477 sdata->u.nan.conf = new_conf;
478 }
479
480 return ret;
481 }
482
ieee80211_add_nan_func(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_nan_func * nan_func)483 static 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(&sdata->u.nan.func_lock);
497
498 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
499 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
500 GFP_ATOMIC);
501 spin_unlock_bh(&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(sdata->local, sdata, nan_func);
511 if (ret) {
512 spin_lock_bh(&sdata->u.nan.func_lock);
513 idr_remove(&sdata->u.nan.function_inst_ids,
514 nan_func->instance_id);
515 spin_unlock_bh(&sdata->u.nan.func_lock);
516 }
517
518 return ret;
519 }
520
521 static struct cfg80211_nan_func *
ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data * sdata,u64 cookie)522 ieee80211_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
ieee80211_del_nan_func(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)538 static 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(&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(&sdata->u.nan.func_lock);
556
557 if (instance_id)
558 drv_del_nan_func(sdata->local, sdata, instance_id);
559 }
560
ieee80211_set_noack_map(struct wiphy * wiphy,struct net_device * dev,u16 noack_map)561 static 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
ieee80211_set_tx(struct ieee80211_sub_if_data * sdata,const u8 * mac_addr,u8 key_idx)574 static 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(local->hw.wiphy,
583 NL80211_EXT_FEATURE_EXT_KEY_ID))
584 return -EINVAL;
585
586 sta = sta_info_get_bss(sdata, 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
ieee80211_add_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_idx,bool pairwise,const u8 * mac_addr,struct key_params * params)602 static 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, 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(link))
620 return PTR_ERR(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(params->cipher, key_idx, params->key_len,
643 params->key, params->seq_len, params->seq);
644 if (IS_ERR(key))
645 return PTR_ERR(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, 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, 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, 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
717 static struct ieee80211_key *
ieee80211_lookup_key(struct ieee80211_sub_if_data * sdata,int link_id,u8 key_idx,bool pairwise,const u8 * mac_addr)718 ieee80211_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, 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
ieee80211_del_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_idx,bool pairwise,const u8 * mac_addr)776 static 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, sdata->vif.type == NL80211_IFTYPE_STATION);
791
792 return 0;
793 }
794
ieee80211_get_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_idx,bool pairwise,const u8 * mac_addr,void * cookie,void (* callback)(void * cookie,struct key_params * params))795 static 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(¶ms, 0, 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(&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(sdata->local, key, &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(sdata->local, key, &kseq);
865 memcpy(seq, kseq.ccmp.pn, 6);
866 } else {
867 pn64 = atomic64_read(&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(sdata->local, key, &kseq);
884 params.seq = kseq.hw.seq;
885 params.seq_len = kseq.hw.seq_len;
886 break;
887 }
888
889 callback(cookie, ¶ms);
890 err = 0;
891
892 out:
893 rcu_read_unlock();
894 return err;
895 }
896
ieee80211_config_default_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_idx,bool uni,bool multi)897 static 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, false);
905
906 if (IS_ERR(link))
907 return PTR_ERR(link);
908
909 ieee80211_set_default_key(link, key_idx, uni, multi);
910
911 return 0;
912 }
913
ieee80211_config_default_mgmt_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_idx)914 static 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, true);
921
922 if (IS_ERR(link))
923 return PTR_ERR(link);
924
925 ieee80211_set_default_mgmt_key(link, key_idx);
926
927 return 0;
928 }
929
ieee80211_config_default_beacon_key(struct wiphy * wiphy,struct net_device * dev,int link_id,u8 key_idx)930 static 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, true);
937
938 if (IS_ERR(link))
939 return PTR_ERR(link);
940
941 ieee80211_set_default_beacon_key(link, key_idx);
942
943 return 0;
944 }
945
sta_set_rate_info_tx(struct sta_info * sta,const struct ieee80211_tx_rate * rate,struct rate_info * rinfo)946 void 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(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
ieee80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)978 static 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(mac, sta->sta.addr, ETH_ALEN);
992 sta_set_sinfo(sta, sinfo, 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
ieee80211_dump_survey(struct wiphy * wiphy,struct net_device * dev,int idx,struct survey_info * survey)1005 static 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(dev->ieee80211_ptr);
1009
1010 return drv_get_survey(local, idx, survey);
1011 }
1012
ieee80211_get_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_info * sinfo)1013 static 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, mac);
1024 if (sta) {
1025 ret = 0;
1026 sta_set_sinfo(sta, sinfo, 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
ieee80211_set_monitor_channel(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef)1038 static 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(&local->monitor_chanreq.oper,
1052 &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(&sdata->vif.bss_conf.chanreq.oper,
1062 &chanreq.oper))
1063 return 0;
1064
1065 ieee80211_link_release_channel(&sdata->deflink);
1066 ret = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
1067 IEEE80211_CHANCTX_SHARED);
1068 if (ret)
1069 return ret;
1070 done:
1071 local->monitor_chanreq = chanreq;
1072 return 0;
1073 }
1074
1075 static int
ieee80211_set_probe_resp(struct ieee80211_sub_if_data * sdata,const u8 * resp,size_t resp_len,const struct ieee80211_csa_settings * csa,const struct ieee80211_color_change_settings * cca,struct ieee80211_link_data * link)1076 ieee80211_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(new->data, resp, resp_len);
1095
1096 if (csa)
1097 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
1098 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
ieee80211_set_fils_discovery(struct ieee80211_sub_if_data * sdata,struct cfg80211_fils_discovery * params,struct ieee80211_link_data * link,struct ieee80211_bss_conf * link_conf,u64 * changed)1110 static 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(new->data, params->tmpl, 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
1145 static int
ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data * sdata,struct cfg80211_unsol_bcast_probe_resp * params,struct ieee80211_link_data * link,struct ieee80211_bss_conf * link_conf,u64 * changed)1146 ieee80211_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(new->data, params->tmpl, 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
1178 static int
ieee80211_set_s1g_short_beacon(struct ieee80211_sub_if_data * sdata,struct ieee80211_link_data * link,struct cfg80211_s1g_short_beacon * params)1179 ieee80211_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(new->short_head, params->short_head, 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(new->short_tail, params->short_tail,
1208 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
ieee80211_set_ftm_responder_params(struct ieee80211_sub_if_data * sdata,const u8 * lci,size_t lci_len,const u8 * civicloc,size_t civicloc_len,struct ieee80211_bss_conf * link_conf)1219 static 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(pos, lci, lci_len);
1244 pos += lci_len;
1245 }
1246
1247 if (civicloc_len) {
1248 new->civicloc_len = civicloc_len;
1249 new->civicloc = pos;
1250 memcpy(pos, civicloc, civicloc_len);
1251 pos += civicloc_len;
1252 }
1253
1254 link_conf->ftmr_params = new;
1255 kfree(old);
1256
1257 return 0;
1258 }
1259
1260 static int
ieee80211_copy_mbssid_beacon(u8 * pos,struct cfg80211_mbssid_elems * dst,struct cfg80211_mbssid_elems * src)1261 ieee80211_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(pos + offset, src->elem[i].data, 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
1277 static int
ieee80211_copy_rnr_beacon(u8 * pos,struct cfg80211_rnr_elems * dst,struct cfg80211_rnr_elems * src)1278 ieee80211_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(pos + offset, src->elem[i].data, 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
1294 static int
ieee80211_assign_beacon(struct ieee80211_sub_if_data * sdata,struct ieee80211_link_data * link,struct cfg80211_beacon_data * params,const struct ieee80211_csa_settings * csa,const struct ieee80211_color_change_settings * cca,u64 * changed)1295 ieee80211_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(mbssid, rnr,
1340 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(mbssid, rnr,
1349 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, new->mbssid_ies,
1373 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, new->rnr_ies, 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(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
1390 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(new->head, params->head, new_head_len);
1400 else
1401 memcpy(new->head, old->head, new_head_len);
1402
1403 /* copy in optional tail */
1404 if (params->tail)
1405 memcpy(new->tail, params->tail, new_tail_len);
1406 else
1407 if (old)
1408 memcpy(new->tail, old->tail, new_tail_len);
1409
1410 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1411 params->probe_resp_len, csa, cca, link);
1412 if (err < 0) {
1413 kfree(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 params->lci,
1423 params->lci_len,
1424 params->civicloc,
1425 params->civicloc_len,
1426 link_conf);
1427
1428 if (err < 0) {
1429 kfree(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
ieee80211_num_beaconing_links(struct ieee80211_sub_if_data * sdata)1446 static 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
ieee80211_start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * params)1470 static 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(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(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(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 ¶ms->mbssid_config,
1600 link_conf);
1601 if (err)
1602 return err;
1603 }
1604
1605 err = ieee80211_link_use_channel(link, &chanreq,
1606 IEEE80211_CHANCTX_SHARED);
1607 if (!err)
1608 ieee80211_link_copy_chanctx_to_vlans(link, 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(sdata->vif.cfg.ssid, params->ssid,
1648 params->ssid_len);
1649 link_conf->hidden_ssid =
1650 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1651
1652 memset(&link_conf->p2p_noa_attr, 0,
1653 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(local->hw.wiphy,
1662 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, ¶ms->beacon, NULL, NULL,
1675 &changed);
1676 if (err < 0)
1677 goto error;
1678
1679 err = ieee80211_set_fils_discovery(sdata, ¶ms->fils_discovery,
1680 link, link_conf, &changed);
1681 if (err < 0)
1682 goto error;
1683
1684 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1685 ¶ms->unsol_bcast_probe_resp,
1686 link, link_conf, &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 ¶ms->s1g_short_beacon);
1693 if (err < 0)
1694 goto error;
1695 }
1696
1697 err = drv_start_ap(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, 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(vlan->dev);
1725
1726 return 0;
1727
1728 error:
1729 ieee80211_link_release_channel(link);
1730
1731 return err;
1732 }
1733
ieee80211_change_beacon(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_update * params)1734 static 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 = ¶ms->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, beacon, NULL, NULL,
1765 &changed);
1766 if (err < 0)
1767 return err;
1768
1769 err = ieee80211_set_fils_discovery(sdata, ¶ms->fils_discovery,
1770 link, link_conf, &changed);
1771 if (err < 0)
1772 return err;
1773
1774 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1775 ¶ms->unsol_bcast_probe_resp,
1776 link, link_conf, &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 ¶ms->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
ieee80211_free_next_beacon(struct ieee80211_link_data * link)1797 static void ieee80211_free_next_beacon(struct ieee80211_link_data *link)
1798 {
1799 if (!link->u.ap.next_beacon)
1800 return;
1801
1802 kfree(link->u.ap.next_beacon->mbssid_ies);
1803 kfree(link->u.ap.next_beacon->rnr_ies);
1804 kfree(link->u.ap.next_beacon);
1805 link->u.ap.next_beacon = NULL;
1806 }
1807
ieee80211_stop_ap(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id)1808 static 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(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(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 link_conf->fils_discovery.min_interval = 0;
1880 link_conf->fils_discovery.max_interval = 0;
1881 link_conf->unsol_bcast_probe_resp_interval = 0;
1882
1883 __sta_info_flush(sdata, true, link_id, NULL);
1884
1885 ieee80211_remove_link_keys(link, &keys);
1886 if (!list_empty(&keys)) {
1887 synchronize_net();
1888 ieee80211_free_key_list(local, &keys);
1889 }
1890
1891 ieee80211_stop_mbssid(sdata);
1892 RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL);
1893
1894 link_conf->enable_beacon = false;
1895 sdata->beacon_rate_set = false;
1896 sdata->vif.cfg.ssid_len = 0;
1897 sdata->vif.cfg.s1g = false;
1898 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1899 ieee80211_link_info_change_notify(sdata, link,
1900 BSS_CHANGED_BEACON_ENABLED);
1901
1902 if (sdata->wdev.links[link_id].cac_started) {
1903 chandef = link_conf->chanreq.oper;
1904 wiphy_delayed_work_cancel(wiphy, &link->dfs_cac_timer_work);
1905 cfg80211_cac_event(sdata->dev, &chandef,
1906 NL80211_RADAR_CAC_ABORTED,
1907 GFP_KERNEL, link_id);
1908 }
1909
1910 drv_stop_ap(sdata->local, sdata, link_conf);
1911
1912 /* free all potentially still buffered bcast frames */
1913 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1914 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1915
1916 ieee80211_link_copy_chanctx_to_vlans(link, true);
1917 ieee80211_link_release_channel(link);
1918
1919 return 0;
1920 }
1921
sta_apply_auth_flags(struct ieee80211_local * local,struct sta_info * sta,u32 mask,u32 set)1922 static int sta_apply_auth_flags(struct ieee80211_local *local,
1923 struct sta_info *sta,
1924 u32 mask, u32 set)
1925 {
1926 int ret;
1927
1928 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1929 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1930 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1931 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1932 if (ret)
1933 return ret;
1934 }
1935
1936 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1937 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1938 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1939 /*
1940 * When peer becomes associated, init rate control as
1941 * well. Some drivers require rate control initialized
1942 * before drv_sta_state() is called.
1943 */
1944 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1945 rate_control_rate_init_all_links(sta);
1946
1947 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1948 if (ret)
1949 return ret;
1950 }
1951
1952 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1953 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1954 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1955 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1956 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1957 else
1958 ret = 0;
1959 if (ret)
1960 return ret;
1961 }
1962
1963 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1964 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1965 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1966 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1967 if (ret)
1968 return ret;
1969 }
1970
1971 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1972 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1973 test_sta_flag(sta, WLAN_STA_AUTH)) {
1974 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1975 if (ret)
1976 return ret;
1977 }
1978
1979 return 0;
1980 }
1981
sta_apply_mesh_params(struct ieee80211_local * local,struct sta_info * sta,struct station_parameters * params)1982 static void sta_apply_mesh_params(struct ieee80211_local *local,
1983 struct sta_info *sta,
1984 struct station_parameters *params)
1985 {
1986 #ifdef CONFIG_MAC80211_MESH
1987 struct ieee80211_sub_if_data *sdata = sta->sdata;
1988 u64 changed = 0;
1989
1990 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1991 switch (params->plink_state) {
1992 case NL80211_PLINK_ESTAB:
1993 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1994 changed = mesh_plink_inc_estab_count(sdata);
1995 sta->mesh->plink_state = params->plink_state;
1996 sta->mesh->aid = params->peer_aid;
1997
1998 ieee80211_mps_sta_status_update(sta);
1999 changed |= ieee80211_mps_set_sta_local_pm(sta,
2000 sdata->u.mesh.mshcfg.power_mode);
2001
2002 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
2003 /* init at low value */
2004 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
2005
2006 break;
2007 case NL80211_PLINK_LISTEN:
2008 case NL80211_PLINK_BLOCKED:
2009 case NL80211_PLINK_OPN_SNT:
2010 case NL80211_PLINK_OPN_RCVD:
2011 case NL80211_PLINK_CNF_RCVD:
2012 case NL80211_PLINK_HOLDING:
2013 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
2014 changed = mesh_plink_dec_estab_count(sdata);
2015 sta->mesh->plink_state = params->plink_state;
2016
2017 ieee80211_mps_sta_status_update(sta);
2018 changed |= ieee80211_mps_set_sta_local_pm(sta,
2019 NL80211_MESH_POWER_UNKNOWN);
2020 break;
2021 default:
2022 /* nothing */
2023 break;
2024 }
2025 }
2026
2027 switch (params->plink_action) {
2028 case NL80211_PLINK_ACTION_NO_ACTION:
2029 /* nothing */
2030 break;
2031 case NL80211_PLINK_ACTION_OPEN:
2032 changed |= mesh_plink_open(sta);
2033 break;
2034 case NL80211_PLINK_ACTION_BLOCK:
2035 changed |= mesh_plink_block(sta);
2036 break;
2037 }
2038
2039 if (params->local_pm)
2040 changed |= ieee80211_mps_set_sta_local_pm(sta,
2041 params->local_pm);
2042
2043 ieee80211_mbss_info_change_notify(sdata, changed);
2044 #endif
2045 }
2046
2047 enum sta_link_apply_mode {
2048 STA_LINK_MODE_NEW,
2049 STA_LINK_MODE_STA_MODIFY,
2050 STA_LINK_MODE_LINK_MODIFY,
2051 };
2052
sta_link_apply_parameters(struct ieee80211_local * local,struct sta_info * sta,enum sta_link_apply_mode mode,struct link_station_parameters * params)2053 static int sta_link_apply_parameters(struct ieee80211_local *local,
2054 struct sta_info *sta,
2055 enum sta_link_apply_mode mode,
2056 struct link_station_parameters *params)
2057 {
2058 struct ieee80211_supported_band *sband;
2059 struct ieee80211_sub_if_data *sdata = sta->sdata;
2060 u32 link_id = params->link_id < 0 ? 0 : params->link_id;
2061 struct ieee80211_link_data *link =
2062 sdata_dereference(sdata->link[link_id], sdata);
2063 struct link_sta_info *link_sta =
2064 rcu_dereference_protected(sta->link[link_id],
2065 lockdep_is_held(&local->hw.wiphy->mtx));
2066 bool changes = params->link_mac ||
2067 params->txpwr_set ||
2068 params->supported_rates_len ||
2069 params->ht_capa ||
2070 params->vht_capa ||
2071 params->he_capa ||
2072 params->eht_capa ||
2073 params->s1g_capa ||
2074 params->opmode_notif_used;
2075
2076 switch (mode) {
2077 case STA_LINK_MODE_NEW:
2078 if (!params->link_mac)
2079 return -EINVAL;
2080 break;
2081 case STA_LINK_MODE_LINK_MODIFY:
2082 break;
2083 case STA_LINK_MODE_STA_MODIFY:
2084 if (params->link_id >= 0)
2085 break;
2086 if (!changes)
2087 return 0;
2088 break;
2089 }
2090
2091 if (!link || !link_sta)
2092 return -EINVAL;
2093
2094 sband = ieee80211_get_link_sband(link);
2095 if (!sband)
2096 return -EINVAL;
2097
2098 if (params->link_mac) {
2099 if (mode == STA_LINK_MODE_NEW) {
2100 memcpy(link_sta->addr, params->link_mac, ETH_ALEN);
2101 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN);
2102 } else if (!ether_addr_equal(link_sta->addr,
2103 params->link_mac)) {
2104 return -EINVAL;
2105 }
2106 }
2107
2108 if (params->txpwr_set) {
2109 int ret;
2110
2111 link_sta->pub->txpwr.type = params->txpwr.type;
2112 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
2113 link_sta->pub->txpwr.power = params->txpwr.power;
2114 ret = drv_sta_set_txpwr(local, sdata, sta);
2115 if (ret)
2116 return ret;
2117 }
2118
2119 if (params->supported_rates &&
2120 params->supported_rates_len &&
2121 !ieee80211_parse_bitrates(link->conf->chanreq.oper.width,
2122 sband, params->supported_rates,
2123 params->supported_rates_len,
2124 &link_sta->pub->supp_rates[sband->band]))
2125 return -EINVAL;
2126
2127 if (params->ht_capa)
2128 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
2129 params->ht_capa, link_sta);
2130
2131 /* VHT can override some HT caps such as the A-MSDU max length */
2132 if (params->vht_capa)
2133 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
2134 params->vht_capa, NULL,
2135 link_sta);
2136
2137 if (params->he_capa)
2138 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
2139 (void *)params->he_capa,
2140 params->he_capa_len,
2141 (void *)params->he_6ghz_capa,
2142 link_sta);
2143
2144 if (params->he_capa && params->eht_capa)
2145 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
2146 (u8 *)params->he_capa,
2147 params->he_capa_len,
2148 params->eht_capa,
2149 params->eht_capa_len,
2150 link_sta);
2151
2152 if (params->s1g_capa)
2153 ieee80211_s1g_cap_to_sta_s1g_cap(sdata, params->s1g_capa,
2154 link_sta);
2155
2156 ieee80211_sta_init_nss(link_sta);
2157
2158 if (params->opmode_notif_used) {
2159 enum nl80211_chan_width width = link->conf->chanreq.oper.width;
2160
2161 switch (width) {
2162 case NL80211_CHAN_WIDTH_20:
2163 case NL80211_CHAN_WIDTH_40:
2164 case NL80211_CHAN_WIDTH_80:
2165 case NL80211_CHAN_WIDTH_160:
2166 case NL80211_CHAN_WIDTH_80P80:
2167 case NL80211_CHAN_WIDTH_320: /* not VHT, allowed for HE/EHT */
2168 break;
2169 default:
2170 return -EINVAL;
2171 }
2172
2173 /* returned value is only needed for rc update, but the
2174 * rc isn't initialized here yet, so ignore it
2175 */
2176 __ieee80211_vht_handle_opmode(sdata, link_sta,
2177 params->opmode_notif,
2178 sband->band);
2179 }
2180
2181 return 0;
2182 }
2183
sta_apply_parameters(struct ieee80211_local * local,struct sta_info * sta,struct station_parameters * params)2184 static int sta_apply_parameters(struct ieee80211_local *local,
2185 struct sta_info *sta,
2186 struct station_parameters *params)
2187 {
2188 struct ieee80211_sub_if_data *sdata = sta->sdata;
2189 u32 mask, set;
2190 int ret = 0;
2191
2192 mask = params->sta_flags_mask;
2193 set = params->sta_flags_set;
2194
2195 if (ieee80211_vif_is_mesh(&sdata->vif)) {
2196 /*
2197 * In mesh mode, ASSOCIATED isn't part of the nl80211
2198 * API but must follow AUTHENTICATED for driver state.
2199 */
2200 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
2201 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2202 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
2203 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2204 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
2205 /*
2206 * TDLS -- everything follows authorized, but
2207 * only becoming authorized is possible, not
2208 * going back
2209 */
2210 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2211 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2212 BIT(NL80211_STA_FLAG_ASSOCIATED);
2213 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2214 BIT(NL80211_STA_FLAG_ASSOCIATED);
2215 }
2216 }
2217
2218 if (mask & BIT(NL80211_STA_FLAG_WME) &&
2219 local->hw.queues >= IEEE80211_NUM_ACS)
2220 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
2221
2222 /* auth flags will be set later for TDLS,
2223 * and for unassociated stations that move to associated */
2224 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2225 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
2226 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
2227 ret = sta_apply_auth_flags(local, sta, mask, set);
2228 if (ret)
2229 return ret;
2230 }
2231
2232 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
2233 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
2234 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
2235 else
2236 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
2237 }
2238
2239 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
2240 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
2241 if (set & BIT(NL80211_STA_FLAG_MFP))
2242 set_sta_flag(sta, WLAN_STA_MFP);
2243 else
2244 clear_sta_flag(sta, WLAN_STA_MFP);
2245 }
2246
2247 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
2248 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2249 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
2250 else
2251 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
2252 }
2253
2254 if (mask & BIT(NL80211_STA_FLAG_SPP_AMSDU))
2255 sta->sta.spp_amsdu = set & BIT(NL80211_STA_FLAG_SPP_AMSDU);
2256
2257 /* mark TDLS channel switch support, if the AP allows it */
2258 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2259 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited &&
2260 params->ext_capab_len >= 4 &&
2261 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
2262 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
2263
2264 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2265 !sdata->u.mgd.tdls_wider_bw_prohibited &&
2266 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
2267 params->ext_capab_len >= 8 &&
2268 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
2269 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
2270
2271 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
2272 sta->sta.uapsd_queues = params->uapsd_queues;
2273 sta->sta.max_sp = params->max_sp;
2274 }
2275
2276 ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab,
2277 params->ext_capab_len);
2278
2279 /*
2280 * cfg80211 validates this (1-2007) and allows setting the AID
2281 * only when creating a new station entry. For S1G APs, the current
2282 * implementation supports a maximum of 1600 AIDs.
2283 */
2284 if (params->aid) {
2285 if (sdata->vif.cfg.s1g &&
2286 params->aid > IEEE80211_MAX_SUPPORTED_S1G_AID)
2287 return -EINVAL;
2288
2289 sta->sta.aid = params->aid;
2290 }
2291
2292 /*
2293 * Some of the following updates would be racy if called on an
2294 * existing station, via ieee80211_change_station(). However,
2295 * all such changes are rejected by cfg80211 except for updates
2296 * changing the supported rates on an existing but not yet used
2297 * TDLS peer.
2298 */
2299
2300 if (params->listen_interval >= 0)
2301 sta->listen_interval = params->listen_interval;
2302
2303 if (params->eml_cap_present)
2304 sta->sta.eml_cap = params->eml_cap;
2305
2306 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_STA_MODIFY,
2307 ¶ms->link_sta_params);
2308 if (ret)
2309 return ret;
2310
2311 if (params->support_p2p_ps >= 0)
2312 sta->sta.support_p2p_ps = params->support_p2p_ps;
2313
2314 if (ieee80211_vif_is_mesh(&sdata->vif))
2315 sta_apply_mesh_params(local, sta, params);
2316
2317 if (params->airtime_weight)
2318 sta->airtime_weight = params->airtime_weight;
2319
2320 /* set the STA state after all sta info from usermode has been set */
2321 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
2322 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
2323 ret = sta_apply_auth_flags(local, sta, mask, set);
2324 if (ret)
2325 return ret;
2326 }
2327
2328 /* Mark the STA as MLO if MLD MAC address is available */
2329 if (params->link_sta_params.mld_mac)
2330 sta->sta.mlo = true;
2331
2332 return 0;
2333 }
2334
ieee80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)2335 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
2336 const u8 *mac,
2337 struct station_parameters *params)
2338 {
2339 struct ieee80211_local *local = wiphy_priv(wiphy);
2340 struct sta_info *sta;
2341 struct ieee80211_sub_if_data *sdata;
2342 int err;
2343
2344 lockdep_assert_wiphy(local->hw.wiphy);
2345
2346 if (params->vlan) {
2347 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
2348
2349 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
2350 sdata->vif.type != NL80211_IFTYPE_AP)
2351 return -EINVAL;
2352 } else
2353 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2354
2355 if (ether_addr_equal(mac, sdata->vif.addr))
2356 return -EINVAL;
2357
2358 if (!is_valid_ether_addr(mac))
2359 return -EINVAL;
2360
2361 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
2362 sdata->vif.type == NL80211_IFTYPE_STATION &&
2363 !sdata->u.mgd.associated)
2364 return -EINVAL;
2365
2366 /*
2367 * If we have a link ID, it can be a non-MLO station on an AP MLD,
2368 * but we need to have a link_mac in that case as well, so use the
2369 * STA's MAC address in that case.
2370 */
2371 if (params->link_sta_params.link_id >= 0)
2372 sta = sta_info_alloc_with_link(sdata, mac,
2373 params->link_sta_params.link_id,
2374 params->link_sta_params.link_mac ?: mac,
2375 GFP_KERNEL);
2376 else
2377 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
2378
2379 if (!sta)
2380 return -ENOMEM;
2381
2382 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2383 sta->sta.tdls = true;
2384
2385 /* Though the mutex is not needed here (since the station is not
2386 * visible yet), sta_apply_parameters (and inner functions) require
2387 * the mutex due to other paths.
2388 */
2389 err = sta_apply_parameters(local, sta, params);
2390 if (err) {
2391 sta_info_free(local, sta);
2392 return err;
2393 }
2394
2395 /*
2396 * for TDLS and for unassociated station, rate control should be
2397 * initialized only when rates are known and station is marked
2398 * authorized/associated
2399 */
2400 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2401 test_sta_flag(sta, WLAN_STA_ASSOC))
2402 rate_control_rate_init_all_links(sta);
2403
2404 return sta_info_insert(sta);
2405 }
2406
ieee80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)2407 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
2408 struct station_del_parameters *params)
2409 {
2410 struct ieee80211_sub_if_data *sdata;
2411
2412 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2413
2414 if (params->mac)
2415 return sta_info_destroy_addr_bss(sdata, params->mac);
2416
2417 sta_info_flush(sdata, params->link_id);
2418 return 0;
2419 }
2420
ieee80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)2421 static int ieee80211_change_station(struct wiphy *wiphy,
2422 struct net_device *dev, const u8 *mac,
2423 struct station_parameters *params)
2424 {
2425 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2426 struct ieee80211_local *local = wiphy_priv(wiphy);
2427 struct sta_info *sta;
2428 struct ieee80211_sub_if_data *vlansdata;
2429 enum cfg80211_station_type statype;
2430 int err;
2431
2432 lockdep_assert_wiphy(local->hw.wiphy);
2433
2434 sta = sta_info_get_bss(sdata, mac);
2435 if (!sta)
2436 return -ENOENT;
2437
2438 switch (sdata->vif.type) {
2439 case NL80211_IFTYPE_MESH_POINT:
2440 if (sdata->u.mesh.user_mpm)
2441 statype = CFG80211_STA_MESH_PEER_USER;
2442 else
2443 statype = CFG80211_STA_MESH_PEER_KERNEL;
2444 break;
2445 case NL80211_IFTYPE_ADHOC:
2446 statype = CFG80211_STA_IBSS;
2447 break;
2448 case NL80211_IFTYPE_STATION:
2449 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
2450 statype = CFG80211_STA_AP_STA;
2451 break;
2452 }
2453 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2454 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
2455 else
2456 statype = CFG80211_STA_TDLS_PEER_SETUP;
2457 break;
2458 case NL80211_IFTYPE_AP:
2459 case NL80211_IFTYPE_AP_VLAN:
2460 if (test_sta_flag(sta, WLAN_STA_ASSOC))
2461 statype = CFG80211_STA_AP_CLIENT;
2462 else
2463 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
2464 break;
2465 default:
2466 return -EOPNOTSUPP;
2467 }
2468
2469 err = cfg80211_check_station_change(wiphy, params, statype);
2470 if (err)
2471 return err;
2472
2473 if (params->vlan && params->vlan != sta->sdata->dev) {
2474 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
2475
2476 if (params->vlan->ieee80211_ptr->use_4addr) {
2477 if (vlansdata->u.vlan.sta)
2478 return -EBUSY;
2479
2480 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
2481 __ieee80211_check_fast_rx_iface(vlansdata);
2482 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
2483 }
2484
2485 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
2486 sta->sdata->u.vlan.sta)
2487 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
2488
2489 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2490 ieee80211_vif_dec_num_mcast(sta->sdata);
2491
2492 sta->sdata = vlansdata;
2493 ieee80211_check_fast_rx(sta);
2494 ieee80211_check_fast_xmit(sta);
2495
2496 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
2497 ieee80211_vif_inc_num_mcast(sta->sdata);
2498 cfg80211_send_layer2_update(sta->sdata->dev,
2499 sta->sta.addr);
2500 }
2501 }
2502
2503 err = sta_apply_parameters(local, sta, params);
2504 if (err)
2505 return err;
2506
2507 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
2508 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2509 ieee80211_recalc_ps(local);
2510 ieee80211_recalc_ps_vif(sdata);
2511 }
2512
2513 return 0;
2514 }
2515
2516 #ifdef CONFIG_MAC80211_MESH
ieee80211_add_mpath(struct wiphy * wiphy,struct net_device * dev,const u8 * dst,const u8 * next_hop)2517 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
2518 const u8 *dst, const u8 *next_hop)
2519 {
2520 struct ieee80211_sub_if_data *sdata;
2521 struct mesh_path *mpath;
2522 struct sta_info *sta;
2523
2524 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2525
2526 rcu_read_lock();
2527 sta = sta_info_get(sdata, next_hop);
2528 if (!sta) {
2529 rcu_read_unlock();
2530 return -ENOENT;
2531 }
2532
2533 mpath = mesh_path_add(sdata, dst);
2534 if (IS_ERR(mpath)) {
2535 rcu_read_unlock();
2536 return PTR_ERR(mpath);
2537 }
2538
2539 mesh_path_fix_nexthop(mpath, sta);
2540
2541 rcu_read_unlock();
2542 return 0;
2543 }
2544
ieee80211_del_mpath(struct wiphy * wiphy,struct net_device * dev,const u8 * dst)2545 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
2546 const u8 *dst)
2547 {
2548 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2549
2550 if (dst)
2551 return mesh_path_del(sdata, dst);
2552
2553 mesh_path_flush_by_iface(sdata);
2554 return 0;
2555 }
2556
ieee80211_change_mpath(struct wiphy * wiphy,struct net_device * dev,const u8 * dst,const u8 * next_hop)2557 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
2558 const u8 *dst, const u8 *next_hop)
2559 {
2560 struct ieee80211_sub_if_data *sdata;
2561 struct mesh_path *mpath;
2562 struct sta_info *sta;
2563
2564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2565
2566 rcu_read_lock();
2567
2568 sta = sta_info_get(sdata, next_hop);
2569 if (!sta) {
2570 rcu_read_unlock();
2571 return -ENOENT;
2572 }
2573
2574 mpath = mesh_path_lookup(sdata, dst);
2575 if (!mpath) {
2576 rcu_read_unlock();
2577 return -ENOENT;
2578 }
2579
2580 mesh_path_fix_nexthop(mpath, sta);
2581
2582 rcu_read_unlock();
2583 return 0;
2584 }
2585
mpath_set_pinfo(struct mesh_path * mpath,u8 * next_hop,struct mpath_info * pinfo)2586 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
2587 struct mpath_info *pinfo)
2588 {
2589 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
2590
2591 if (next_hop_sta)
2592 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
2593 else
2594 eth_zero_addr(next_hop);
2595
2596 memset(pinfo, 0, sizeof(*pinfo));
2597
2598 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
2599
2600 pinfo->filled = MPATH_INFO_FRAME_QLEN |
2601 MPATH_INFO_SN |
2602 MPATH_INFO_METRIC |
2603 MPATH_INFO_EXPTIME |
2604 MPATH_INFO_DISCOVERY_TIMEOUT |
2605 MPATH_INFO_DISCOVERY_RETRIES |
2606 MPATH_INFO_FLAGS |
2607 MPATH_INFO_HOP_COUNT |
2608 MPATH_INFO_PATH_CHANGE;
2609
2610 pinfo->frame_qlen = mpath->frame_queue.qlen;
2611 pinfo->sn = mpath->sn;
2612 pinfo->metric = mpath->metric;
2613 if (time_before(jiffies, mpath->exp_time))
2614 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
2615 pinfo->discovery_timeout =
2616 jiffies_to_msecs(mpath->discovery_timeout);
2617 pinfo->discovery_retries = mpath->discovery_retries;
2618 if (mpath->flags & MESH_PATH_ACTIVE)
2619 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
2620 if (mpath->flags & MESH_PATH_RESOLVING)
2621 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
2622 if (mpath->flags & MESH_PATH_SN_VALID)
2623 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
2624 if (mpath->flags & MESH_PATH_FIXED)
2625 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
2626 if (mpath->flags & MESH_PATH_RESOLVED)
2627 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
2628 pinfo->hop_count = mpath->hop_count;
2629 pinfo->path_change_count = mpath->path_change_count;
2630 }
2631
ieee80211_get_mpath(struct wiphy * wiphy,struct net_device * dev,u8 * dst,u8 * next_hop,struct mpath_info * pinfo)2632 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
2633 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
2634
2635 {
2636 struct ieee80211_sub_if_data *sdata;
2637 struct mesh_path *mpath;
2638
2639 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2640
2641 rcu_read_lock();
2642 mpath = mesh_path_lookup(sdata, dst);
2643 if (!mpath) {
2644 rcu_read_unlock();
2645 return -ENOENT;
2646 }
2647 memcpy(dst, mpath->dst, ETH_ALEN);
2648 mpath_set_pinfo(mpath, next_hop, pinfo);
2649 rcu_read_unlock();
2650 return 0;
2651 }
2652
ieee80211_dump_mpath(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * dst,u8 * next_hop,struct mpath_info * pinfo)2653 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
2654 int idx, u8 *dst, u8 *next_hop,
2655 struct mpath_info *pinfo)
2656 {
2657 struct ieee80211_sub_if_data *sdata;
2658 struct mesh_path *mpath;
2659
2660 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2661
2662 rcu_read_lock();
2663 mpath = mesh_path_lookup_by_idx(sdata, idx);
2664 if (!mpath) {
2665 rcu_read_unlock();
2666 return -ENOENT;
2667 }
2668 memcpy(dst, mpath->dst, ETH_ALEN);
2669 mpath_set_pinfo(mpath, next_hop, pinfo);
2670 rcu_read_unlock();
2671 return 0;
2672 }
2673
mpp_set_pinfo(struct mesh_path * mpath,u8 * mpp,struct mpath_info * pinfo)2674 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2675 struct mpath_info *pinfo)
2676 {
2677 memset(pinfo, 0, sizeof(*pinfo));
2678 memcpy(mpp, mpath->mpp, ETH_ALEN);
2679
2680 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2681 }
2682
ieee80211_get_mpp(struct wiphy * wiphy,struct net_device * dev,u8 * dst,u8 * mpp,struct mpath_info * pinfo)2683 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2684 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2685
2686 {
2687 struct ieee80211_sub_if_data *sdata;
2688 struct mesh_path *mpath;
2689
2690 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2691
2692 rcu_read_lock();
2693 mpath = mpp_path_lookup(sdata, dst);
2694 if (!mpath) {
2695 rcu_read_unlock();
2696 return -ENOENT;
2697 }
2698 memcpy(dst, mpath->dst, ETH_ALEN);
2699 mpp_set_pinfo(mpath, mpp, pinfo);
2700 rcu_read_unlock();
2701 return 0;
2702 }
2703
ieee80211_dump_mpp(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * dst,u8 * mpp,struct mpath_info * pinfo)2704 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2705 int idx, u8 *dst, u8 *mpp,
2706 struct mpath_info *pinfo)
2707 {
2708 struct ieee80211_sub_if_data *sdata;
2709 struct mesh_path *mpath;
2710
2711 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2712
2713 rcu_read_lock();
2714 mpath = mpp_path_lookup_by_idx(sdata, idx);
2715 if (!mpath) {
2716 rcu_read_unlock();
2717 return -ENOENT;
2718 }
2719 memcpy(dst, mpath->dst, ETH_ALEN);
2720 mpp_set_pinfo(mpath, mpp, pinfo);
2721 rcu_read_unlock();
2722 return 0;
2723 }
2724
ieee80211_get_mesh_config(struct wiphy * wiphy,struct net_device * dev,struct mesh_config * conf)2725 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2726 struct net_device *dev,
2727 struct mesh_config *conf)
2728 {
2729 struct ieee80211_sub_if_data *sdata;
2730 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2731
2732 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2733 return 0;
2734 }
2735
_chg_mesh_attr(enum nl80211_meshconf_params parm,u32 mask)2736 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2737 {
2738 return (mask >> (parm-1)) & 0x1;
2739 }
2740
copy_mesh_setup(struct ieee80211_if_mesh * ifmsh,const struct mesh_setup * setup)2741 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2742 const struct mesh_setup *setup)
2743 {
2744 u8 *new_ie;
2745 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2746 struct ieee80211_sub_if_data, u.mesh);
2747 int i;
2748
2749 /* allocate information elements */
2750 new_ie = NULL;
2751
2752 if (setup->ie_len) {
2753 new_ie = kmemdup(setup->ie, setup->ie_len,
2754 GFP_KERNEL);
2755 if (!new_ie)
2756 return -ENOMEM;
2757 }
2758 ifmsh->ie_len = setup->ie_len;
2759 ifmsh->ie = new_ie;
2760
2761 /* now copy the rest of the setup parameters */
2762 ifmsh->mesh_id_len = setup->mesh_id_len;
2763 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2764 ifmsh->mesh_sp_id = setup->sync_method;
2765 ifmsh->mesh_pp_id = setup->path_sel_proto;
2766 ifmsh->mesh_pm_id = setup->path_metric;
2767 ifmsh->user_mpm = setup->user_mpm;
2768 ifmsh->mesh_auth_id = setup->auth_id;
2769 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2770 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2771 if (setup->is_authenticated)
2772 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2773 if (setup->is_secure)
2774 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2775
2776 /* mcast rate setting in Mesh Node */
2777 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2778 sizeof(setup->mcast_rate));
2779 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2780
2781 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2782 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2783
2784 sdata->beacon_rate_set = false;
2785 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2786 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2787 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2788 sdata->beacon_rateidx_mask[i] =
2789 setup->beacon_rate.control[i].legacy;
2790 if (sdata->beacon_rateidx_mask[i])
2791 sdata->beacon_rate_set = true;
2792 }
2793 }
2794
2795 return 0;
2796 }
2797
ieee80211_update_mesh_config(struct wiphy * wiphy,struct net_device * dev,u32 mask,const struct mesh_config * nconf)2798 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2799 struct net_device *dev, u32 mask,
2800 const struct mesh_config *nconf)
2801 {
2802 struct mesh_config *conf;
2803 struct ieee80211_sub_if_data *sdata;
2804 struct ieee80211_if_mesh *ifmsh;
2805
2806 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2807 ifmsh = &sdata->u.mesh;
2808
2809 /* Set the config options which we are interested in setting */
2810 conf = &(sdata->u.mesh.mshcfg);
2811 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2812 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2813 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2814 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2815 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2816 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2817 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2818 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2819 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2820 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2821 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2822 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2823 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2824 conf->element_ttl = nconf->element_ttl;
2825 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2826 if (ifmsh->user_mpm)
2827 return -EBUSY;
2828 conf->auto_open_plinks = nconf->auto_open_plinks;
2829 }
2830 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2831 conf->dot11MeshNbrOffsetMaxNeighbor =
2832 nconf->dot11MeshNbrOffsetMaxNeighbor;
2833 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2834 conf->dot11MeshHWMPmaxPREQretries =
2835 nconf->dot11MeshHWMPmaxPREQretries;
2836 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2837 conf->path_refresh_time = nconf->path_refresh_time;
2838 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2839 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2840 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2841 conf->dot11MeshHWMPactivePathTimeout =
2842 nconf->dot11MeshHWMPactivePathTimeout;
2843 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2844 conf->dot11MeshHWMPpreqMinInterval =
2845 nconf->dot11MeshHWMPpreqMinInterval;
2846 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2847 conf->dot11MeshHWMPperrMinInterval =
2848 nconf->dot11MeshHWMPperrMinInterval;
2849 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2850 mask))
2851 conf->dot11MeshHWMPnetDiameterTraversalTime =
2852 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2853 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2854 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2855 ieee80211_mesh_root_setup(ifmsh);
2856 }
2857 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2858 /* our current gate announcement implementation rides on root
2859 * announcements, so require this ifmsh to also be a root node
2860 * */
2861 if (nconf->dot11MeshGateAnnouncementProtocol &&
2862 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2863 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2864 ieee80211_mesh_root_setup(ifmsh);
2865 }
2866 conf->dot11MeshGateAnnouncementProtocol =
2867 nconf->dot11MeshGateAnnouncementProtocol;
2868 }
2869 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2870 conf->dot11MeshHWMPRannInterval =
2871 nconf->dot11MeshHWMPRannInterval;
2872 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2873 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2874 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2875 /* our RSSI threshold implementation is supported only for
2876 * devices that report signal in dBm.
2877 */
2878 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2879 return -EOPNOTSUPP;
2880 conf->rssi_threshold = nconf->rssi_threshold;
2881 }
2882 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2883 conf->ht_opmode = nconf->ht_opmode;
2884 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2885 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
2886 BSS_CHANGED_HT);
2887 }
2888 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2889 conf->dot11MeshHWMPactivePathToRootTimeout =
2890 nconf->dot11MeshHWMPactivePathToRootTimeout;
2891 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2892 conf->dot11MeshHWMProotInterval =
2893 nconf->dot11MeshHWMProotInterval;
2894 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2895 conf->dot11MeshHWMPconfirmationInterval =
2896 nconf->dot11MeshHWMPconfirmationInterval;
2897 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2898 conf->power_mode = nconf->power_mode;
2899 ieee80211_mps_local_status_update(sdata);
2900 }
2901 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2902 conf->dot11MeshAwakeWindowDuration =
2903 nconf->dot11MeshAwakeWindowDuration;
2904 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2905 conf->plink_timeout = nconf->plink_timeout;
2906 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2907 conf->dot11MeshConnectedToMeshGate =
2908 nconf->dot11MeshConnectedToMeshGate;
2909 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2910 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2911 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2912 conf->dot11MeshConnectedToAuthServer =
2913 nconf->dot11MeshConnectedToAuthServer;
2914 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2915 return 0;
2916 }
2917
ieee80211_join_mesh(struct wiphy * wiphy,struct net_device * dev,const struct mesh_config * conf,const struct mesh_setup * setup)2918 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2919 const struct mesh_config *conf,
2920 const struct mesh_setup *setup)
2921 {
2922 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2923 struct ieee80211_chan_req chanreq = { .oper = setup->chandef };
2924 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2925 int err;
2926
2927 lockdep_assert_wiphy(sdata->local->hw.wiphy);
2928
2929 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2930 err = copy_mesh_setup(ifmsh, setup);
2931 if (err)
2932 return err;
2933
2934 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2935
2936 /* can mesh use other SMPS modes? */
2937 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
2938 sdata->deflink.needed_rx_chains = sdata->local->rx_chains;
2939
2940 err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
2941 IEEE80211_CHANCTX_SHARED);
2942 if (err)
2943 return err;
2944
2945 return ieee80211_start_mesh(sdata);
2946 }
2947
ieee80211_leave_mesh(struct wiphy * wiphy,struct net_device * dev)2948 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2949 {
2950 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2951
2952 lockdep_assert_wiphy(sdata->local->hw.wiphy);
2953
2954 ieee80211_stop_mesh(sdata);
2955 ieee80211_link_release_channel(&sdata->deflink);
2956 kfree(sdata->u.mesh.ie);
2957
2958 return 0;
2959 }
2960 #endif
2961
ieee80211_change_bss(struct wiphy * wiphy,struct net_device * dev,struct bss_parameters * params)2962 static int ieee80211_change_bss(struct wiphy *wiphy,
2963 struct net_device *dev,
2964 struct bss_parameters *params)
2965 {
2966 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2967 struct ieee80211_link_data *link;
2968 struct ieee80211_supported_band *sband;
2969 u64 changed = 0;
2970
2971 link = ieee80211_link_or_deflink(sdata, params->link_id, true);
2972 if (IS_ERR(link))
2973 return PTR_ERR(link);
2974
2975 if (!sdata_dereference(link->u.ap.beacon, sdata))
2976 return -ENOENT;
2977
2978 sband = ieee80211_get_link_sband(link);
2979 if (!sband)
2980 return -EINVAL;
2981
2982 if (params->basic_rates) {
2983 if (!ieee80211_parse_bitrates(link->conf->chanreq.oper.width,
2984 wiphy->bands[sband->band],
2985 params->basic_rates,
2986 params->basic_rates_len,
2987 &link->conf->basic_rates))
2988 return -EINVAL;
2989 changed |= BSS_CHANGED_BASIC_RATES;
2990 ieee80211_check_rate_mask(link);
2991 }
2992
2993 if (params->use_cts_prot >= 0) {
2994 link->conf->use_cts_prot = params->use_cts_prot;
2995 changed |= BSS_CHANGED_ERP_CTS_PROT;
2996 }
2997 if (params->use_short_preamble >= 0) {
2998 link->conf->use_short_preamble = params->use_short_preamble;
2999 changed |= BSS_CHANGED_ERP_PREAMBLE;
3000 }
3001
3002 if (!link->conf->use_short_slot &&
3003 (sband->band == NL80211_BAND_5GHZ ||
3004 sband->band == NL80211_BAND_6GHZ)) {
3005 link->conf->use_short_slot = true;
3006 changed |= BSS_CHANGED_ERP_SLOT;
3007 }
3008
3009 if (params->use_short_slot_time >= 0) {
3010 link->conf->use_short_slot = params->use_short_slot_time;
3011 changed |= BSS_CHANGED_ERP_SLOT;
3012 }
3013
3014 if (params->ap_isolate >= 0) {
3015 if (params->ap_isolate)
3016 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
3017 else
3018 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
3019 ieee80211_check_fast_rx_iface(sdata);
3020 }
3021
3022 if (params->ht_opmode >= 0) {
3023 link->conf->ht_operation_mode = (u16)params->ht_opmode;
3024 changed |= BSS_CHANGED_HT;
3025 }
3026
3027 if (params->p2p_ctwindow >= 0) {
3028 link->conf->p2p_noa_attr.oppps_ctwindow &=
3029 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
3030 link->conf->p2p_noa_attr.oppps_ctwindow |=
3031 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
3032 changed |= BSS_CHANGED_P2P_PS;
3033 }
3034
3035 if (params->p2p_opp_ps > 0) {
3036 link->conf->p2p_noa_attr.oppps_ctwindow |=
3037 IEEE80211_P2P_OPPPS_ENABLE_BIT;
3038 changed |= BSS_CHANGED_P2P_PS;
3039 } else if (params->p2p_opp_ps == 0) {
3040 link->conf->p2p_noa_attr.oppps_ctwindow &=
3041 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
3042 changed |= BSS_CHANGED_P2P_PS;
3043 }
3044
3045 ieee80211_link_info_change_notify(sdata, link, changed);
3046
3047 return 0;
3048 }
3049
ieee80211_set_txq_params(struct wiphy * wiphy,struct net_device * dev,struct ieee80211_txq_params * params)3050 static int ieee80211_set_txq_params(struct wiphy *wiphy,
3051 struct net_device *dev,
3052 struct ieee80211_txq_params *params)
3053 {
3054 struct ieee80211_local *local = wiphy_priv(wiphy);
3055 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3056 struct ieee80211_link_data *link =
3057 ieee80211_link_or_deflink(sdata, params->link_id, true);
3058 struct ieee80211_tx_queue_params p;
3059
3060 if (!local->ops->conf_tx)
3061 return -EOPNOTSUPP;
3062
3063 if (local->hw.queues < IEEE80211_NUM_ACS)
3064 return -EOPNOTSUPP;
3065
3066 if (IS_ERR(link))
3067 return PTR_ERR(link);
3068
3069 memset(&p, 0, sizeof(p));
3070 p.aifs = params->aifs;
3071 p.cw_max = params->cwmax;
3072 p.cw_min = params->cwmin;
3073 p.txop = params->txop;
3074
3075 /*
3076 * Setting tx queue params disables u-apsd because it's only
3077 * called in master mode.
3078 */
3079 p.uapsd = false;
3080
3081 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
3082
3083 link->tx_conf[params->ac] = p;
3084 if (drv_conf_tx(local, link, params->ac, &p)) {
3085 wiphy_debug(local->hw.wiphy,
3086 "failed to set TX queue parameters for AC %d\n",
3087 params->ac);
3088 return -EINVAL;
3089 }
3090
3091 ieee80211_link_info_change_notify(sdata, link,
3092 BSS_CHANGED_QOS);
3093
3094 return 0;
3095 }
3096
3097 #ifdef CONFIG_PM
ieee80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wowlan)3098 static int ieee80211_suspend(struct wiphy *wiphy,
3099 struct cfg80211_wowlan *wowlan)
3100 {
3101 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
3102 }
3103
ieee80211_resume(struct wiphy * wiphy)3104 static int ieee80211_resume(struct wiphy *wiphy)
3105 {
3106 return __ieee80211_resume(wiphy_priv(wiphy));
3107 }
3108 #else
3109 #define ieee80211_suspend NULL
3110 #define ieee80211_resume NULL
3111 #endif
3112
ieee80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * req)3113 static int ieee80211_scan(struct wiphy *wiphy,
3114 struct cfg80211_scan_request *req)
3115 {
3116 struct ieee80211_sub_if_data *sdata;
3117 struct ieee80211_link_data *link;
3118 struct ieee80211_channel *chan;
3119 int radio_idx;
3120
3121 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
3122
3123 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
3124 case NL80211_IFTYPE_STATION:
3125 case NL80211_IFTYPE_ADHOC:
3126 case NL80211_IFTYPE_MESH_POINT:
3127 case NL80211_IFTYPE_P2P_CLIENT:
3128 case NL80211_IFTYPE_P2P_DEVICE:
3129 break;
3130 case NL80211_IFTYPE_P2P_GO:
3131 if (sdata->local->ops->hw_scan)
3132 break;
3133 /*
3134 * FIXME: implement NoA while scanning in software,
3135 * for now fall through to allow scanning only when
3136 * beaconing hasn't been configured yet
3137 */
3138 fallthrough;
3139 case NL80211_IFTYPE_AP:
3140 /*
3141 * If the scan has been forced (and the driver supports
3142 * forcing), don't care about being beaconing already.
3143 * This will create problems to the attached stations (e.g. all
3144 * the frames sent while scanning on other channel will be
3145 * lost)
3146 */
3147 for_each_link_data(sdata, link) {
3148 /* if the link is not beaconing, ignore it */
3149 if (!sdata_dereference(link->u.ap.beacon, sdata))
3150 continue;
3151
3152 chan = link->conf->chanreq.oper.chan;
3153 radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan);
3154
3155 if (ieee80211_is_radio_idx_in_scan_req(wiphy, req,
3156 radio_idx) &&
3157 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
3158 !(req->flags & NL80211_SCAN_FLAG_AP)))
3159 return -EOPNOTSUPP;
3160 }
3161 break;
3162 case NL80211_IFTYPE_NAN:
3163 default:
3164 return -EOPNOTSUPP;
3165 }
3166
3167 return ieee80211_request_scan(sdata, req);
3168 }
3169
ieee80211_abort_scan(struct wiphy * wiphy,struct wireless_dev * wdev)3170 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
3171 {
3172 ieee80211_scan_cancel(wiphy_priv(wiphy));
3173 }
3174
3175 static int
ieee80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * req)3176 ieee80211_sched_scan_start(struct wiphy *wiphy,
3177 struct net_device *dev,
3178 struct cfg80211_sched_scan_request *req)
3179 {
3180 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3181
3182 if (!sdata->local->ops->sched_scan_start)
3183 return -EOPNOTSUPP;
3184
3185 return ieee80211_request_sched_scan_start(sdata, req);
3186 }
3187
3188 static int
ieee80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)3189 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
3190 u64 reqid)
3191 {
3192 struct ieee80211_local *local = wiphy_priv(wiphy);
3193
3194 if (!local->ops->sched_scan_stop)
3195 return -EOPNOTSUPP;
3196
3197 return ieee80211_request_sched_scan_stop(local);
3198 }
3199
ieee80211_auth(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_auth_request * req)3200 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
3201 struct cfg80211_auth_request *req)
3202 {
3203 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
3204 }
3205
ieee80211_assoc(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_assoc_request * req)3206 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
3207 struct cfg80211_assoc_request *req)
3208 {
3209 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
3210 }
3211
ieee80211_deauth(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_deauth_request * req)3212 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
3213 struct cfg80211_deauth_request *req)
3214 {
3215 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
3216 }
3217
ieee80211_disassoc(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_disassoc_request * req)3218 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
3219 struct cfg80211_disassoc_request *req)
3220 {
3221 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
3222 }
3223
ieee80211_join_ibss(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ibss_params * params)3224 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
3225 struct cfg80211_ibss_params *params)
3226 {
3227 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
3228 }
3229
ieee80211_leave_ibss(struct wiphy * wiphy,struct net_device * dev)3230 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
3231 {
3232 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
3233 }
3234
ieee80211_join_ocb(struct wiphy * wiphy,struct net_device * dev,struct ocb_setup * setup)3235 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
3236 struct ocb_setup *setup)
3237 {
3238 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
3239 }
3240
ieee80211_leave_ocb(struct wiphy * wiphy,struct net_device * dev)3241 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
3242 {
3243 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
3244 }
3245
ieee80211_set_mcast_rate(struct wiphy * wiphy,struct net_device * dev,int rate[NUM_NL80211_BANDS])3246 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
3247 int rate[NUM_NL80211_BANDS])
3248 {
3249 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3250
3251 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
3252 sizeof(int) * NUM_NL80211_BANDS);
3253
3254 if (ieee80211_sdata_running(sdata))
3255 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
3256 BSS_CHANGED_MCAST_RATE);
3257
3258 return 0;
3259 }
3260
ieee80211_set_wiphy_params(struct wiphy * wiphy,int radio_idx,u32 changed)3261 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx,
3262 u32 changed)
3263 {
3264 struct ieee80211_local *local = wiphy_priv(wiphy);
3265 int err;
3266
3267 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
3268 ieee80211_check_fast_xmit_all(local);
3269
3270 err = drv_set_frag_threshold(local, radio_idx,
3271 wiphy->frag_threshold);
3272
3273 if (err) {
3274 ieee80211_check_fast_xmit_all(local);
3275 return err;
3276 }
3277 }
3278
3279 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
3280 (changed & WIPHY_PARAM_DYN_ACK)) {
3281 s16 coverage_class;
3282
3283 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
3284 wiphy->coverage_class : -1;
3285 err = drv_set_coverage_class(local, radio_idx,
3286 coverage_class);
3287
3288 if (err)
3289 return err;
3290 }
3291
3292 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
3293 u32 rts_threshold;
3294
3295 if ((radio_idx == -1) || (radio_idx >= wiphy->n_radio))
3296 rts_threshold = wiphy->rts_threshold;
3297 else
3298 rts_threshold =
3299 wiphy->radio_cfg[radio_idx].rts_threshold;
3300
3301 err = drv_set_rts_threshold(local, radio_idx, rts_threshold);
3302
3303 if (err)
3304 return err;
3305 }
3306
3307 if (changed & WIPHY_PARAM_RETRY_SHORT) {
3308 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
3309 return -EINVAL;
3310 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
3311 }
3312 if (changed & WIPHY_PARAM_RETRY_LONG) {
3313 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
3314 return -EINVAL;
3315 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
3316 }
3317 if (changed &
3318 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
3319 ieee80211_hw_config(local, radio_idx,
3320 IEEE80211_CONF_CHANGE_RETRY_LIMITS);
3321
3322 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
3323 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
3324 WIPHY_PARAM_TXQ_QUANTUM))
3325 ieee80211_txq_set_params(local, radio_idx);
3326
3327 return 0;
3328 }
3329
ieee80211_set_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int radio_idx,enum nl80211_tx_power_setting type,int mbm)3330 static int ieee80211_set_tx_power(struct wiphy *wiphy,
3331 struct wireless_dev *wdev, int radio_idx,
3332 enum nl80211_tx_power_setting type, int mbm)
3333 {
3334 struct ieee80211_local *local = wiphy_priv(wiphy);
3335 struct ieee80211_sub_if_data *sdata;
3336 enum nl80211_tx_power_setting txp_type = type;
3337 bool update_txp_type = false;
3338 bool has_monitor = false;
3339 int user_power_level;
3340 int old_power = local->user_power_level;
3341
3342 lockdep_assert_wiphy(local->hw.wiphy);
3343
3344 switch (type) {
3345 case NL80211_TX_POWER_AUTOMATIC:
3346 user_power_level = IEEE80211_UNSET_POWER_LEVEL;
3347 txp_type = NL80211_TX_POWER_LIMITED;
3348 break;
3349 case NL80211_TX_POWER_LIMITED:
3350 case NL80211_TX_POWER_FIXED:
3351 if (mbm < 0 || (mbm % 100))
3352 return -EOPNOTSUPP;
3353 user_power_level = MBM_TO_DBM(mbm);
3354 break;
3355 default:
3356 return -EINVAL;
3357 }
3358
3359 if (wdev) {
3360 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3361
3362 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3363 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
3364 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
3365 return -EOPNOTSUPP;
3366
3367 sdata = wiphy_dereference(local->hw.wiphy,
3368 local->monitor_sdata);
3369 if (!sdata)
3370 return -EOPNOTSUPP;
3371 }
3372
3373 for (int link_id = 0;
3374 link_id < ARRAY_SIZE(sdata->link);
3375 link_id++) {
3376 struct ieee80211_link_data *link =
3377 wiphy_dereference(wiphy, sdata->link[link_id]);
3378
3379 if (!link)
3380 continue;
3381
3382 link->user_power_level = user_power_level;
3383
3384 if (txp_type != link->conf->txpower_type) {
3385 update_txp_type = true;
3386 link->conf->txpower_type = txp_type;
3387 }
3388
3389 ieee80211_recalc_txpower(link, update_txp_type);
3390 }
3391 return 0;
3392 }
3393
3394 local->user_power_level = user_power_level;
3395
3396 list_for_each_entry(sdata, &local->interfaces, list) {
3397 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3398 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
3399 has_monitor = true;
3400 continue;
3401 }
3402
3403 for (int link_id = 0;
3404 link_id < ARRAY_SIZE(sdata->link);
3405 link_id++) {
3406 struct ieee80211_link_data *link =
3407 wiphy_dereference(wiphy, sdata->link[link_id]);
3408
3409 if (!link)
3410 continue;
3411
3412 link->user_power_level = local->user_power_level;
3413 if (txp_type != link->conf->txpower_type)
3414 update_txp_type = true;
3415 link->conf->txpower_type = txp_type;
3416 }
3417 }
3418 list_for_each_entry(sdata, &local->interfaces, list) {
3419 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3420 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
3421 continue;
3422
3423 for (int link_id = 0;
3424 link_id < ARRAY_SIZE(sdata->link);
3425 link_id++) {
3426 struct ieee80211_link_data *link =
3427 wiphy_dereference(wiphy, sdata->link[link_id]);
3428
3429 if (!link)
3430 continue;
3431
3432 ieee80211_recalc_txpower(link, update_txp_type);
3433 }
3434 }
3435
3436 if (has_monitor) {
3437 sdata = wiphy_dereference(local->hw.wiphy,
3438 local->monitor_sdata);
3439 if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) {
3440 sdata->deflink.user_power_level = local->user_power_level;
3441 if (txp_type != sdata->vif.bss_conf.txpower_type)
3442 update_txp_type = true;
3443 sdata->vif.bss_conf.txpower_type = txp_type;
3444
3445 ieee80211_recalc_txpower(&sdata->deflink,
3446 update_txp_type);
3447 }
3448 }
3449
3450 if (local->emulate_chanctx &&
3451 (old_power != local->user_power_level))
3452 ieee80211_hw_conf_chan(local);
3453
3454 return 0;
3455 }
3456
ieee80211_get_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int radio_idx,unsigned int link_id,int * dbm)3457 static int ieee80211_get_tx_power(struct wiphy *wiphy,
3458 struct wireless_dev *wdev,
3459 int radio_idx,
3460 unsigned int link_id,
3461 int *dbm)
3462 {
3463 struct ieee80211_local *local = wiphy_priv(wiphy);
3464 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3465 struct ieee80211_link_data *link_data;
3466
3467 if (local->ops->get_txpower &&
3468 (sdata->flags & IEEE80211_SDATA_IN_DRIVER))
3469 return drv_get_txpower(local, sdata, link_id, dbm);
3470
3471 if (local->emulate_chanctx) {
3472 *dbm = local->hw.conf.power_level;
3473 } else {
3474 link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
3475
3476 if (link_data)
3477 *dbm = link_data->conf->txpower;
3478 else
3479 return -ENOLINK;
3480 }
3481
3482 /* INT_MIN indicates no power level was set yet */
3483 if (*dbm == INT_MIN)
3484 return -EINVAL;
3485
3486 return 0;
3487 }
3488
ieee80211_rfkill_poll(struct wiphy * wiphy)3489 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
3490 {
3491 struct ieee80211_local *local = wiphy_priv(wiphy);
3492
3493 drv_rfkill_poll(local);
3494 }
3495
3496 #ifdef CONFIG_NL80211_TESTMODE
ieee80211_testmode_cmd(struct wiphy * wiphy,struct wireless_dev * wdev,void * data,int len)3497 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
3498 struct wireless_dev *wdev,
3499 void *data, int len)
3500 {
3501 struct ieee80211_local *local = wiphy_priv(wiphy);
3502 struct ieee80211_vif *vif = NULL;
3503
3504 if (!local->ops->testmode_cmd)
3505 return -EOPNOTSUPP;
3506
3507 if (wdev) {
3508 struct ieee80211_sub_if_data *sdata;
3509
3510 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3511 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
3512 vif = &sdata->vif;
3513 }
3514
3515 return local->ops->testmode_cmd(&local->hw, vif, data, len);
3516 }
3517
ieee80211_testmode_dump(struct wiphy * wiphy,struct sk_buff * skb,struct netlink_callback * cb,void * data,int len)3518 static int ieee80211_testmode_dump(struct wiphy *wiphy,
3519 struct sk_buff *skb,
3520 struct netlink_callback *cb,
3521 void *data, int len)
3522 {
3523 struct ieee80211_local *local = wiphy_priv(wiphy);
3524
3525 if (!local->ops->testmode_dump)
3526 return -EOPNOTSUPP;
3527
3528 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
3529 }
3530 #endif
3531
__ieee80211_request_smps_mgd(struct ieee80211_sub_if_data * sdata,struct ieee80211_link_data * link,enum ieee80211_smps_mode smps_mode)3532 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
3533 struct ieee80211_link_data *link,
3534 enum ieee80211_smps_mode smps_mode)
3535 {
3536 const u8 *ap;
3537 enum ieee80211_smps_mode old_req;
3538 int err;
3539 struct sta_info *sta;
3540 bool tdls_peer_found = false;
3541
3542 lockdep_assert_wiphy(sdata->local->hw.wiphy);
3543
3544 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
3545 return -EINVAL;
3546
3547 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
3548 return 0;
3549
3550 old_req = link->u.mgd.req_smps;
3551 link->u.mgd.req_smps = smps_mode;
3552
3553 /* The driver indicated that EML is enabled for the interface, which
3554 * implies that SMPS flows towards the AP should be stopped.
3555 */
3556 if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE)
3557 return 0;
3558
3559 if (old_req == smps_mode &&
3560 smps_mode != IEEE80211_SMPS_AUTOMATIC)
3561 return 0;
3562
3563 /*
3564 * If not associated, or current association is not an HT
3565 * association, there's no need to do anything, just store
3566 * the new value until we associate.
3567 */
3568 if (!sdata->u.mgd.associated ||
3569 link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT)
3570 return 0;
3571
3572 ap = sdata->vif.cfg.ap_addr;
3573
3574 rcu_read_lock();
3575 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
3576 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
3577 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
3578 continue;
3579
3580 tdls_peer_found = true;
3581 break;
3582 }
3583 rcu_read_unlock();
3584
3585 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
3586 if (tdls_peer_found || !sdata->u.mgd.powersave)
3587 smps_mode = IEEE80211_SMPS_OFF;
3588 else
3589 smps_mode = IEEE80211_SMPS_DYNAMIC;
3590 }
3591
3592 /* send SM PS frame to AP */
3593 err = ieee80211_send_smps_action(sdata, smps_mode,
3594 ap, ap,
3595 ieee80211_vif_is_mld(&sdata->vif) ?
3596 link->link_id : -1);
3597 if (err)
3598 link->u.mgd.req_smps = old_req;
3599 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
3600 ieee80211_teardown_tdls_peers(link);
3601
3602 return err;
3603 }
3604
ieee80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)3605 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
3606 bool enabled, int timeout)
3607 {
3608 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3609 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
3610 unsigned int link_id;
3611
3612 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3613 return -EOPNOTSUPP;
3614
3615 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
3616 return -EOPNOTSUPP;
3617
3618 if (enabled == sdata->u.mgd.powersave &&
3619 timeout == local->dynamic_ps_forced_timeout)
3620 return 0;
3621
3622 sdata->u.mgd.powersave = enabled;
3623 local->dynamic_ps_forced_timeout = timeout;
3624
3625 /* no change, but if automatic follow powersave */
3626 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {
3627 struct ieee80211_link_data *link;
3628
3629 link = sdata_dereference(sdata->link[link_id], sdata);
3630
3631 if (!link)
3632 continue;
3633 __ieee80211_request_smps_mgd(sdata, link,
3634 link->u.mgd.req_smps);
3635 }
3636
3637 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
3638 ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS);
3639
3640 ieee80211_recalc_ps(local);
3641 ieee80211_recalc_ps_vif(sdata);
3642 ieee80211_check_fast_rx_iface(sdata);
3643
3644 return 0;
3645 }
3646
ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data * sdata,struct ieee80211_link_data * link,s32 rssi_thold,u32 rssi_hyst,s32 rssi_low,s32 rssi_high)3647 static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata,
3648 struct ieee80211_link_data *link,
3649 s32 rssi_thold, u32 rssi_hyst,
3650 s32 rssi_low, s32 rssi_high)
3651 {
3652 struct ieee80211_bss_conf *conf;
3653
3654 if (!link || !link->conf)
3655 return;
3656
3657 conf = link->conf;
3658
3659 if (rssi_thold && rssi_hyst &&
3660 rssi_thold == conf->cqm_rssi_thold &&
3661 rssi_hyst == conf->cqm_rssi_hyst)
3662 return;
3663
3664 conf->cqm_rssi_thold = rssi_thold;
3665 conf->cqm_rssi_hyst = rssi_hyst;
3666 conf->cqm_rssi_low = rssi_low;
3667 conf->cqm_rssi_high = rssi_high;
3668 link->u.mgd.last_cqm_event_signal = 0;
3669
3670 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
3671 return;
3672
3673 if (sdata->u.mgd.associated &&
3674 (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3675 ieee80211_link_info_change_notify(sdata, link, BSS_CHANGED_CQM);
3676 }
3677
ieee80211_set_cqm_rssi_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_thold,u32 rssi_hyst)3678 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
3679 struct net_device *dev,
3680 s32 rssi_thold, u32 rssi_hyst)
3681 {
3682 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3683 struct ieee80211_vif *vif = &sdata->vif;
3684 int link_id;
3685
3686 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER &&
3687 !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3688 return -EOPNOTSUPP;
3689
3690 /* For MLD, handle CQM change on all the active links */
3691 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
3692 struct ieee80211_link_data *link =
3693 sdata_dereference(sdata->link[link_id], sdata);
3694
3695 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst,
3696 0, 0);
3697 }
3698
3699 return 0;
3700 }
3701
ieee80211_set_cqm_rssi_range_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_low,s32 rssi_high)3702 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
3703 struct net_device *dev,
3704 s32 rssi_low, s32 rssi_high)
3705 {
3706 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3707 struct ieee80211_vif *vif = &sdata->vif;
3708 int link_id;
3709
3710 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)
3711 return -EOPNOTSUPP;
3712
3713 /* For MLD, handle CQM change on all the active links */
3714 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
3715 struct ieee80211_link_data *link =
3716 sdata_dereference(sdata->link[link_id], sdata);
3717
3718 ieee80211_set_cqm_rssi_link(sdata, link, 0, 0,
3719 rssi_low, rssi_high);
3720 }
3721
3722 return 0;
3723 }
3724
ieee80211_set_bitrate_mask(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id,const u8 * addr,const struct cfg80211_bitrate_mask * mask)3725 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
3726 struct net_device *dev,
3727 unsigned int link_id,
3728 const u8 *addr,
3729 const struct cfg80211_bitrate_mask *mask)
3730 {
3731 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3732 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
3733 int i, ret;
3734
3735 if (!ieee80211_sdata_running(sdata))
3736 return -ENETDOWN;
3737
3738 /*
3739 * If active validate the setting and reject it if it doesn't leave
3740 * at least one basic rate usable, since we really have to be able
3741 * to send something, and if we're an AP we have to be able to do
3742 * so at a basic rate so that all clients can receive it.
3743 */
3744 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) &&
3745 sdata->vif.bss_conf.chanreq.oper.chan) {
3746 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
3747 enum nl80211_band band;
3748
3749 band = sdata->vif.bss_conf.chanreq.oper.chan->band;
3750
3751 if (!(mask->control[band].legacy & basic_rates))
3752 return -EINVAL;
3753 }
3754
3755 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
3756 ret = drv_set_bitrate_mask(local, sdata, mask);
3757 if (ret)
3758 return ret;
3759 }
3760
3761 for (i = 0; i < NUM_NL80211_BANDS; i++) {
3762 struct ieee80211_supported_band *sband = wiphy->bands[i];
3763 int j;
3764
3765 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
3766 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
3767 sizeof(mask->control[i].ht_mcs));
3768 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
3769 mask->control[i].vht_mcs,
3770 sizeof(mask->control[i].vht_mcs));
3771
3772 sdata->rc_has_mcs_mask[i] = false;
3773 sdata->rc_has_vht_mcs_mask[i] = false;
3774 if (!sband)
3775 continue;
3776
3777 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
3778 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
3779 sdata->rc_has_mcs_mask[i] = true;
3780 break;
3781 }
3782 }
3783
3784 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
3785 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
3786 sdata->rc_has_vht_mcs_mask[i] = true;
3787 break;
3788 }
3789 }
3790 }
3791
3792 return 0;
3793 }
3794
ieee80211_is_scan_ongoing(struct wiphy * wiphy,struct ieee80211_local * local,struct cfg80211_chan_def * chandef)3795 static bool ieee80211_is_scan_ongoing(struct wiphy *wiphy,
3796 struct ieee80211_local *local,
3797 struct cfg80211_chan_def *chandef)
3798 {
3799 struct cfg80211_scan_request *scan_req;
3800 int chan_radio_idx, req_radio_idx;
3801 struct ieee80211_roc_work *roc;
3802
3803 if (list_empty(&local->roc_list) && !local->scanning)
3804 return false;
3805
3806 req_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chandef->chan);
3807
3808 if (local->scanning) {
3809 scan_req = wiphy_dereference(wiphy, local->scan_req);
3810 /*
3811 * Scan is going on but info is not there. Should not happen
3812 * but if it does, let's not take risk and assume we can't use
3813 * the hw hence return true
3814 */
3815 if (WARN_ON_ONCE(!scan_req))
3816 return true;
3817
3818 return ieee80211_is_radio_idx_in_scan_req(wiphy, scan_req,
3819 req_radio_idx);
3820 }
3821
3822 list_for_each_entry(roc, &local->roc_list, list) {
3823 chan_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy,
3824 roc->chan);
3825 if (chan_radio_idx == req_radio_idx)
3826 return true;
3827 }
3828
3829 return false;
3830 }
3831
ieee80211_start_radar_detection(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef,u32 cac_time_ms,int link_id)3832 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
3833 struct net_device *dev,
3834 struct cfg80211_chan_def *chandef,
3835 u32 cac_time_ms, int link_id)
3836 {
3837 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3838 struct ieee80211_chan_req chanreq = { .oper = *chandef };
3839 struct ieee80211_local *local = sdata->local;
3840 struct ieee80211_link_data *link_data;
3841 int err;
3842
3843 lockdep_assert_wiphy(local->hw.wiphy);
3844
3845 if (ieee80211_is_scan_ongoing(wiphy, local, chandef))
3846 return -EBUSY;
3847
3848 link_data = sdata_dereference(sdata->link[link_id], sdata);
3849 if (!link_data)
3850 return -ENOLINK;
3851
3852 /* whatever, but channel contexts should not complain about that one */
3853 link_data->smps_mode = IEEE80211_SMPS_OFF;
3854 link_data->needed_rx_chains = local->rx_chains;
3855
3856 err = ieee80211_link_use_channel(link_data, &chanreq,
3857 IEEE80211_CHANCTX_SHARED);
3858 if (err)
3859 return err;
3860
3861 wiphy_delayed_work_queue(wiphy, &link_data->dfs_cac_timer_work,
3862 msecs_to_jiffies(cac_time_ms));
3863
3864 return 0;
3865 }
3866
ieee80211_end_cac(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id)3867 static void ieee80211_end_cac(struct wiphy *wiphy,
3868 struct net_device *dev, unsigned int link_id)
3869 {
3870 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3871 struct ieee80211_local *local = sdata->local;
3872 struct ieee80211_link_data *link_data;
3873
3874 lockdep_assert_wiphy(local->hw.wiphy);
3875
3876 list_for_each_entry(sdata, &local->interfaces, list) {
3877 link_data = sdata_dereference(sdata->link[link_id], sdata);
3878 if (!link_data)
3879 continue;
3880
3881 wiphy_delayed_work_cancel(wiphy,
3882 &link_data->dfs_cac_timer_work);
3883
3884 if (sdata->wdev.links[link_id].cac_started) {
3885 ieee80211_link_release_channel(link_data);
3886 sdata->wdev.links[link_id].cac_started = false;
3887 }
3888 }
3889 }
3890
3891 static struct cfg80211_beacon_data *
cfg80211_beacon_dup(struct cfg80211_beacon_data * beacon)3892 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3893 {
3894 struct cfg80211_beacon_data *new_beacon;
3895 u8 *pos;
3896 int len;
3897
3898 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3899 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3900 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3901
3902 if (beacon->mbssid_ies)
3903 len += ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies,
3904 beacon->rnr_ies,
3905 beacon->mbssid_ies->cnt);
3906
3907 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3908 if (!new_beacon)
3909 return NULL;
3910
3911 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3912 new_beacon->mbssid_ies =
3913 kzalloc(struct_size(new_beacon->mbssid_ies,
3914 elem, beacon->mbssid_ies->cnt),
3915 GFP_KERNEL);
3916 if (!new_beacon->mbssid_ies) {
3917 kfree(new_beacon);
3918 return NULL;
3919 }
3920
3921 if (beacon->rnr_ies && beacon->rnr_ies->cnt) {
3922 new_beacon->rnr_ies =
3923 kzalloc(struct_size(new_beacon->rnr_ies,
3924 elem, beacon->rnr_ies->cnt),
3925 GFP_KERNEL);
3926 if (!new_beacon->rnr_ies) {
3927 kfree(new_beacon->mbssid_ies);
3928 kfree(new_beacon);
3929 return NULL;
3930 }
3931 }
3932 }
3933
3934 pos = (u8 *)(new_beacon + 1);
3935 if (beacon->head_len) {
3936 new_beacon->head_len = beacon->head_len;
3937 new_beacon->head = pos;
3938 memcpy(pos, beacon->head, beacon->head_len);
3939 pos += beacon->head_len;
3940 }
3941 if (beacon->tail_len) {
3942 new_beacon->tail_len = beacon->tail_len;
3943 new_beacon->tail = pos;
3944 memcpy(pos, beacon->tail, beacon->tail_len);
3945 pos += beacon->tail_len;
3946 }
3947 if (beacon->beacon_ies_len) {
3948 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3949 new_beacon->beacon_ies = pos;
3950 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3951 pos += beacon->beacon_ies_len;
3952 }
3953 if (beacon->proberesp_ies_len) {
3954 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3955 new_beacon->proberesp_ies = pos;
3956 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3957 pos += beacon->proberesp_ies_len;
3958 }
3959 if (beacon->assocresp_ies_len) {
3960 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3961 new_beacon->assocresp_ies = pos;
3962 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3963 pos += beacon->assocresp_ies_len;
3964 }
3965 if (beacon->probe_resp_len) {
3966 new_beacon->probe_resp_len = beacon->probe_resp_len;
3967 new_beacon->probe_resp = pos;
3968 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3969 pos += beacon->probe_resp_len;
3970 }
3971 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3972 pos += ieee80211_copy_mbssid_beacon(pos,
3973 new_beacon->mbssid_ies,
3974 beacon->mbssid_ies);
3975 if (beacon->rnr_ies && beacon->rnr_ies->cnt)
3976 pos += ieee80211_copy_rnr_beacon(pos,
3977 new_beacon->rnr_ies,
3978 beacon->rnr_ies);
3979 }
3980
3981 /* might copy -1, meaning no changes requested */
3982 new_beacon->ftm_responder = beacon->ftm_responder;
3983 if (beacon->lci) {
3984 new_beacon->lci_len = beacon->lci_len;
3985 new_beacon->lci = pos;
3986 memcpy(pos, beacon->lci, beacon->lci_len);
3987 pos += beacon->lci_len;
3988 }
3989 if (beacon->civicloc) {
3990 new_beacon->civicloc_len = beacon->civicloc_len;
3991 new_beacon->civicloc = pos;
3992 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3993 pos += beacon->civicloc_len;
3994 }
3995
3996 return new_beacon;
3997 }
3998
ieee80211_csa_finish(struct ieee80211_vif * vif,unsigned int link_id)3999 void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id)
4000 {
4001 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4002 struct ieee80211_local *local = sdata->local;
4003 struct ieee80211_bss_conf *tx_bss_conf;
4004 struct ieee80211_link_data *link_data;
4005
4006 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4007 return;
4008
4009 rcu_read_lock();
4010
4011 link_data = rcu_dereference(sdata->link[link_id]);
4012 if (WARN_ON(!link_data)) {
4013 rcu_read_unlock();
4014 return;
4015 }
4016
4017 tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf);
4018 if (tx_bss_conf == link_data->conf) {
4019 /* Trigger ieee80211_csa_finish() on the non-transmitting
4020 * interfaces when channel switch is received on
4021 * transmitting interface
4022 */
4023 struct ieee80211_link_data *iter;
4024
4025 for_each_sdata_link_rcu(local, iter) {
4026 if (iter->sdata == sdata ||
4027 rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf)
4028 continue;
4029
4030 wiphy_work_queue(iter->sdata->local->hw.wiphy,
4031 &iter->csa.finalize_work);
4032 }
4033 }
4034
4035 wiphy_work_queue(local->hw.wiphy, &link_data->csa.finalize_work);
4036
4037 rcu_read_unlock();
4038 }
4039 EXPORT_SYMBOL(ieee80211_csa_finish);
4040
ieee80211_channel_switch_disconnect(struct ieee80211_vif * vif)4041 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif)
4042 {
4043 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4044 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4045 struct ieee80211_local *local = sdata->local;
4046
4047 sdata_info(sdata, "channel switch failed, disconnecting\n");
4048 wiphy_work_queue(local->hw.wiphy, &ifmgd->csa_connection_drop_work);
4049 }
4050 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
4051
ieee80211_set_after_csa_beacon(struct ieee80211_link_data * link_data,u64 * changed)4052 static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data,
4053 u64 *changed)
4054 {
4055 struct ieee80211_sub_if_data *sdata = link_data->sdata;
4056 int err;
4057
4058 switch (sdata->vif.type) {
4059 case NL80211_IFTYPE_AP:
4060 if (!link_data->u.ap.next_beacon)
4061 return -EINVAL;
4062
4063 err = ieee80211_assign_beacon(sdata, link_data,
4064 link_data->u.ap.next_beacon,
4065 NULL, NULL, changed);
4066 ieee80211_free_next_beacon(link_data);
4067
4068 if (err < 0)
4069 return err;
4070 break;
4071 case NL80211_IFTYPE_ADHOC:
4072 err = ieee80211_ibss_finish_csa(sdata, changed);
4073 if (err < 0)
4074 return err;
4075 break;
4076 #ifdef CONFIG_MAC80211_MESH
4077 case NL80211_IFTYPE_MESH_POINT:
4078 err = ieee80211_mesh_finish_csa(sdata, changed);
4079 if (err < 0)
4080 return err;
4081 break;
4082 #endif
4083 default:
4084 WARN_ON(1);
4085 return -EINVAL;
4086 }
4087
4088 return 0;
4089 }
4090
__ieee80211_csa_finalize(struct ieee80211_link_data * link_data)4091 static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
4092 {
4093 struct ieee80211_sub_if_data *sdata = link_data->sdata;
4094 struct ieee80211_local *local = sdata->local;
4095 struct ieee80211_bss_conf *link_conf = link_data->conf;
4096 u64 changed = 0;
4097 int err;
4098
4099 lockdep_assert_wiphy(local->hw.wiphy);
4100
4101 /*
4102 * using reservation isn't immediate as it may be deferred until later
4103 * with multi-vif. once reservation is complete it will re-schedule the
4104 * work with no reserved_chanctx so verify chandef to check if it
4105 * completed successfully
4106 */
4107
4108 if (link_data->reserved_chanctx) {
4109 /*
4110 * with multi-vif csa driver may call ieee80211_csa_finish()
4111 * many times while waiting for other interfaces to use their
4112 * reservations
4113 */
4114 if (link_data->reserved_ready)
4115 return 0;
4116
4117 return ieee80211_link_use_reserved_context(link_data);
4118 }
4119
4120 if (!cfg80211_chandef_identical(&link_conf->chanreq.oper,
4121 &link_data->csa.chanreq.oper))
4122 return -EINVAL;
4123
4124 link_conf->csa_active = false;
4125
4126 err = ieee80211_set_after_csa_beacon(link_data, &changed);
4127 if (err)
4128 return err;
4129
4130 ieee80211_link_info_change_notify(sdata, link_data, changed);
4131
4132 ieee80211_vif_unblock_queues_csa(sdata);
4133
4134 err = drv_post_channel_switch(link_data);
4135 if (err)
4136 return err;
4137
4138 cfg80211_ch_switch_notify(sdata->dev, &link_data->csa.chanreq.oper,
4139 link_data->link_id);
4140
4141 return 0;
4142 }
4143
ieee80211_csa_finalize(struct ieee80211_link_data * link_data)4144 static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
4145 {
4146 struct ieee80211_sub_if_data *sdata = link_data->sdata;
4147
4148 if (__ieee80211_csa_finalize(link_data)) {
4149 sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n",
4150 link_data->link_id);
4151 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
4152 GFP_KERNEL);
4153 }
4154 }
4155
ieee80211_csa_finalize_work(struct wiphy * wiphy,struct wiphy_work * work)4156 void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
4157 {
4158 struct ieee80211_link_data *link =
4159 container_of(work, struct ieee80211_link_data, csa.finalize_work);
4160 struct ieee80211_sub_if_data *sdata = link->sdata;
4161 struct ieee80211_local *local = sdata->local;
4162
4163 lockdep_assert_wiphy(local->hw.wiphy);
4164
4165 /* AP might have been stopped while waiting for the lock. */
4166 if (!link->conf->csa_active)
4167 return;
4168
4169 if (!ieee80211_sdata_running(sdata))
4170 return;
4171
4172 ieee80211_csa_finalize(link);
4173 }
4174
ieee80211_set_csa_beacon(struct ieee80211_link_data * link_data,struct cfg80211_csa_settings * params,u64 * changed)4175 static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data,
4176 struct cfg80211_csa_settings *params,
4177 u64 *changed)
4178 {
4179 struct ieee80211_sub_if_data *sdata = link_data->sdata;
4180 struct ieee80211_csa_settings csa = {};
4181 int err;
4182
4183 switch (sdata->vif.type) {
4184 case NL80211_IFTYPE_AP:
4185 link_data->u.ap.next_beacon =
4186 cfg80211_beacon_dup(¶ms->beacon_after);
4187 if (!link_data->u.ap.next_beacon)
4188 return -ENOMEM;
4189
4190 /*
4191 * With a count of 0, we don't have to wait for any
4192 * TBTT before switching, so complete the CSA
4193 * immediately. In theory, with a count == 1 we
4194 * should delay the switch until just before the next
4195 * TBTT, but that would complicate things so we switch
4196 * immediately too. If we would delay the switch
4197 * until the next TBTT, we would have to set the probe
4198 * response here.
4199 *
4200 * TODO: A channel switch with count <= 1 without
4201 * sending a CSA action frame is kind of useless,
4202 * because the clients won't know we're changing
4203 * channels. The action frame must be implemented
4204 * either here or in the userspace.
4205 */
4206 if (params->count <= 1)
4207 break;
4208
4209 if ((params->n_counter_offsets_beacon >
4210 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
4211 (params->n_counter_offsets_presp >
4212 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) {
4213 ieee80211_free_next_beacon(link_data);
4214 return -EINVAL;
4215 }
4216
4217 csa.counter_offsets_beacon = params->counter_offsets_beacon;
4218 csa.counter_offsets_presp = params->counter_offsets_presp;
4219 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
4220 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
4221 csa.count = params->count;
4222
4223 err = ieee80211_assign_beacon(sdata, link_data,
4224 ¶ms->beacon_csa, &csa,
4225 NULL, changed);
4226 if (err < 0) {
4227 ieee80211_free_next_beacon(link_data);
4228 return err;
4229 }
4230
4231 break;
4232 case NL80211_IFTYPE_ADHOC:
4233 if (!sdata->vif.cfg.ibss_joined)
4234 return -EINVAL;
4235
4236 if (params->chandef.width != sdata->u.ibss.chandef.width)
4237 return -EINVAL;
4238
4239 switch (params->chandef.width) {
4240 case NL80211_CHAN_WIDTH_40:
4241 if (cfg80211_get_chandef_type(¶ms->chandef) !=
4242 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
4243 return -EINVAL;
4244 break;
4245 case NL80211_CHAN_WIDTH_5:
4246 case NL80211_CHAN_WIDTH_10:
4247 case NL80211_CHAN_WIDTH_20_NOHT:
4248 case NL80211_CHAN_WIDTH_20:
4249 break;
4250 default:
4251 return -EINVAL;
4252 }
4253
4254 /* changes into another band are not supported */
4255 if (sdata->u.ibss.chandef.chan->band !=
4256 params->chandef.chan->band)
4257 return -EINVAL;
4258
4259 /* see comments in the NL80211_IFTYPE_AP block */
4260 if (params->count > 1) {
4261 err = ieee80211_ibss_csa_beacon(sdata, params, changed);
4262 if (err < 0)
4263 return err;
4264 }
4265
4266 ieee80211_send_action_csa(sdata, params);
4267
4268 break;
4269 #ifdef CONFIG_MAC80211_MESH
4270 case NL80211_IFTYPE_MESH_POINT: {
4271 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
4272
4273 /* changes into another band are not supported */
4274 if (sdata->vif.bss_conf.chanreq.oper.chan->band !=
4275 params->chandef.chan->band)
4276 return -EINVAL;
4277
4278 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
4279 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
4280 if (!ifmsh->pre_value)
4281 ifmsh->pre_value = 1;
4282 else
4283 ifmsh->pre_value++;
4284 }
4285
4286 /* see comments in the NL80211_IFTYPE_AP block */
4287 if (params->count > 1) {
4288 err = ieee80211_mesh_csa_beacon(sdata, params, changed);
4289 if (err < 0) {
4290 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
4291 return err;
4292 }
4293 }
4294
4295 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
4296 ieee80211_send_action_csa(sdata, params);
4297
4298 break;
4299 }
4300 #endif
4301 default:
4302 return -EOPNOTSUPP;
4303 }
4304
4305 return 0;
4306 }
4307
ieee80211_color_change_abort(struct ieee80211_link_data * link)4308 static void ieee80211_color_change_abort(struct ieee80211_link_data *link)
4309 {
4310 link->conf->color_change_active = false;
4311
4312 ieee80211_free_next_beacon(link);
4313
4314 cfg80211_color_change_aborted_notify(link->sdata->dev, link->link_id);
4315 }
4316
4317 static int
__ieee80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)4318 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4319 struct cfg80211_csa_settings *params)
4320 {
4321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4322 struct ieee80211_chan_req chanreq = { .oper = params->chandef };
4323 struct ieee80211_local *local = sdata->local;
4324 struct ieee80211_channel_switch ch_switch = {
4325 .link_id = params->link_id,
4326 };
4327 struct ieee80211_chanctx_conf *conf;
4328 struct ieee80211_chanctx *chanctx;
4329 struct ieee80211_bss_conf *link_conf;
4330 struct ieee80211_link_data *link_data;
4331 u64 changed = 0;
4332 u8 link_id = params->link_id;
4333 int err;
4334
4335 lockdep_assert_wiphy(local->hw.wiphy);
4336
4337 if (ieee80211_is_scan_ongoing(wiphy, local, ¶ms->chandef))
4338 return -EBUSY;
4339
4340 if (sdata->wdev.links[link_id].cac_started)
4341 return -EBUSY;
4342
4343 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4344 return -EINVAL;
4345
4346 link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
4347 if (!link_data)
4348 return -ENOLINK;
4349
4350 link_conf = link_data->conf;
4351
4352 if (chanreq.oper.punctured && !link_conf->eht_support)
4353 return -EINVAL;
4354
4355 /* don't allow another channel switch if one is already active. */
4356 if (link_conf->csa_active)
4357 return -EBUSY;
4358
4359 conf = wiphy_dereference(wiphy, link_conf->chanctx_conf);
4360 if (!conf) {
4361 err = -EBUSY;
4362 goto out;
4363 }
4364
4365 if (params->chandef.chan->freq_offset) {
4366 /* this may work, but is untested */
4367 err = -EOPNOTSUPP;
4368 goto out;
4369 }
4370
4371 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
4372 ¶ms->unsol_bcast_probe_resp,
4373 link_data, link_conf, &changed);
4374 if (err)
4375 goto out;
4376
4377 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
4378
4379 ch_switch.timestamp = 0;
4380 ch_switch.device_timestamp = 0;
4381 ch_switch.block_tx = params->block_tx;
4382 ch_switch.chandef = chanreq.oper;
4383 ch_switch.count = params->count;
4384
4385 err = drv_pre_channel_switch(sdata, &ch_switch);
4386 if (err)
4387 goto out;
4388
4389 err = ieee80211_link_reserve_chanctx(link_data, &chanreq,
4390 chanctx->mode,
4391 params->radar_required);
4392 if (err)
4393 goto out;
4394
4395 /* if reservation is invalid then this will fail */
4396 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0, -1);
4397 if (err) {
4398 ieee80211_link_unreserve_chanctx(link_data);
4399 goto out;
4400 }
4401
4402 /* if there is a color change in progress, abort it */
4403 if (link_conf->color_change_active)
4404 ieee80211_color_change_abort(link_data);
4405
4406 err = ieee80211_set_csa_beacon(link_data, params, &changed);
4407 if (err) {
4408 ieee80211_link_unreserve_chanctx(link_data);
4409 goto out;
4410 }
4411
4412 link_data->csa.chanreq = chanreq;
4413 link_conf->csa_active = true;
4414
4415 if (params->block_tx)
4416 ieee80211_vif_block_queues_csa(sdata);
4417
4418 cfg80211_ch_switch_started_notify(sdata->dev,
4419 &link_data->csa.chanreq.oper, link_id,
4420 params->count, params->block_tx);
4421
4422 if (changed) {
4423 ieee80211_link_info_change_notify(sdata, link_data, changed);
4424 drv_channel_switch_beacon(sdata, &link_data->csa.chanreq.oper);
4425 } else {
4426 /* if the beacon didn't change, we can finalize immediately */
4427 ieee80211_csa_finalize(link_data);
4428 }
4429
4430 out:
4431 return err;
4432 }
4433
ieee80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)4434 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4435 struct cfg80211_csa_settings *params)
4436 {
4437 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4438 struct ieee80211_local *local = sdata->local;
4439
4440 lockdep_assert_wiphy(local->hw.wiphy);
4441
4442 return __ieee80211_channel_switch(wiphy, dev, params);
4443 }
4444
ieee80211_mgmt_tx_cookie(struct ieee80211_local * local)4445 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
4446 {
4447 lockdep_assert_wiphy(local->hw.wiphy);
4448
4449 local->roc_cookie_counter++;
4450
4451 /* wow, you wrapped 64 bits ... more likely a bug */
4452 if (WARN_ON(local->roc_cookie_counter == 0))
4453 local->roc_cookie_counter++;
4454
4455 return local->roc_cookie_counter;
4456 }
4457
ieee80211_attach_ack_skb(struct ieee80211_local * local,struct sk_buff * skb,u64 * cookie,gfp_t gfp)4458 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
4459 u64 *cookie, gfp_t gfp)
4460 {
4461 unsigned long spin_flags;
4462 struct sk_buff *ack_skb;
4463 int id;
4464
4465 ack_skb = skb_copy(skb, gfp);
4466 if (!ack_skb)
4467 return -ENOMEM;
4468
4469 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
4470 id = idr_alloc(&local->ack_status_frames, ack_skb,
4471 1, 0x2000, GFP_ATOMIC);
4472 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
4473
4474 if (id < 0) {
4475 kfree_skb(ack_skb);
4476 return -ENOMEM;
4477 }
4478
4479 IEEE80211_SKB_CB(skb)->status_data_idr = 1;
4480 IEEE80211_SKB_CB(skb)->status_data = id;
4481
4482 *cookie = ieee80211_mgmt_tx_cookie(local);
4483 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
4484
4485 return 0;
4486 }
4487
4488 static void
ieee80211_update_mgmt_frame_registrations(struct wiphy * wiphy,struct wireless_dev * wdev,struct mgmt_frame_regs * upd)4489 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
4490 struct wireless_dev *wdev,
4491 struct mgmt_frame_regs *upd)
4492 {
4493 struct ieee80211_local *local = wiphy_priv(wiphy);
4494 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4495 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
4496 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
4497 bool global_change, intf_change;
4498
4499 global_change =
4500 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
4501 (local->rx_mcast_action_reg !=
4502 !!(upd->global_mcast_stypes & action_mask));
4503 local->probe_req_reg = upd->global_stypes & preq_mask;
4504 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
4505
4506 intf_change = (sdata->vif.probe_req_reg !=
4507 !!(upd->interface_stypes & preq_mask)) ||
4508 (sdata->vif.rx_mcast_action_reg !=
4509 !!(upd->interface_mcast_stypes & action_mask));
4510 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
4511 sdata->vif.rx_mcast_action_reg =
4512 upd->interface_mcast_stypes & action_mask;
4513
4514 if (!local->open_count)
4515 return;
4516
4517 if (intf_change && ieee80211_sdata_running(sdata))
4518 drv_config_iface_filter(local, sdata,
4519 sdata->vif.probe_req_reg ?
4520 FIF_PROBE_REQ : 0,
4521 FIF_PROBE_REQ);
4522
4523 if (global_change)
4524 ieee80211_configure_filter(local);
4525 }
4526
ieee80211_set_antenna(struct wiphy * wiphy,int radio_idx,u32 tx_ant,u32 rx_ant)4527 static int ieee80211_set_antenna(struct wiphy *wiphy, int radio_idx,
4528 u32 tx_ant, u32 rx_ant)
4529 {
4530 struct ieee80211_local *local = wiphy_priv(wiphy);
4531 int ret;
4532
4533 if (local->started)
4534 return -EOPNOTSUPP;
4535
4536 ret = drv_set_antenna(local, tx_ant, rx_ant);
4537 if (ret)
4538 return ret;
4539
4540 local->rx_chains = hweight8(rx_ant);
4541 return 0;
4542 }
4543
ieee80211_get_antenna(struct wiphy * wiphy,int radio_idx,u32 * tx_ant,u32 * rx_ant)4544 static int ieee80211_get_antenna(struct wiphy *wiphy, int radio_idx,
4545 u32 *tx_ant, u32 *rx_ant)
4546 {
4547 struct ieee80211_local *local = wiphy_priv(wiphy);
4548
4549 return drv_get_antenna(local, radio_idx, tx_ant, rx_ant);
4550 }
4551
ieee80211_set_rekey_data(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_gtk_rekey_data * data)4552 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
4553 struct net_device *dev,
4554 struct cfg80211_gtk_rekey_data *data)
4555 {
4556 struct ieee80211_local *local = wiphy_priv(wiphy);
4557 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4558
4559 if (!local->ops->set_rekey_data)
4560 return -EOPNOTSUPP;
4561
4562 drv_set_rekey_data(local, sdata, data);
4563
4564 return 0;
4565 }
4566
ieee80211_probe_client(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u64 * cookie)4567 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
4568 const u8 *peer, u64 *cookie)
4569 {
4570 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4571 struct ieee80211_local *local = sdata->local;
4572 struct ieee80211_qos_hdr *nullfunc;
4573 struct sk_buff *skb;
4574 int size = sizeof(*nullfunc);
4575 __le16 fc;
4576 bool qos;
4577 struct ieee80211_tx_info *info;
4578 struct sta_info *sta;
4579 struct ieee80211_chanctx_conf *chanctx_conf;
4580 enum nl80211_band band;
4581 int ret;
4582
4583 /* the lock is needed to assign the cookie later */
4584 lockdep_assert_wiphy(local->hw.wiphy);
4585
4586 rcu_read_lock();
4587 sta = sta_info_get_bss(sdata, peer);
4588 if (!sta) {
4589 ret = -ENOLINK;
4590 goto unlock;
4591 }
4592
4593 qos = sta->sta.wme;
4594
4595 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
4596 if (WARN_ON(!chanctx_conf)) {
4597 ret = -EINVAL;
4598 goto unlock;
4599 }
4600 band = chanctx_conf->def.chan->band;
4601
4602 if (qos) {
4603 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4604 IEEE80211_STYPE_QOS_NULLFUNC |
4605 IEEE80211_FCTL_FROMDS);
4606 } else {
4607 size -= 2;
4608 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4609 IEEE80211_STYPE_NULLFUNC |
4610 IEEE80211_FCTL_FROMDS);
4611 }
4612
4613 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
4614 if (!skb) {
4615 ret = -ENOMEM;
4616 goto unlock;
4617 }
4618
4619 skb->dev = dev;
4620
4621 skb_reserve(skb, local->hw.extra_tx_headroom);
4622
4623 nullfunc = skb_put(skb, size);
4624 nullfunc->frame_control = fc;
4625 nullfunc->duration_id = 0;
4626 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
4627 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
4628 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
4629 nullfunc->seq_ctrl = 0;
4630
4631 info = IEEE80211_SKB_CB(skb);
4632
4633 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
4634 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
4635 info->band = band;
4636
4637 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
4638 skb->priority = 7;
4639 if (qos)
4640 nullfunc->qos_ctrl = cpu_to_le16(7);
4641
4642 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
4643 if (ret) {
4644 kfree_skb(skb);
4645 goto unlock;
4646 }
4647
4648 local_bh_disable();
4649 ieee80211_xmit(sdata, sta, skb);
4650 local_bh_enable();
4651
4652 ret = 0;
4653 unlock:
4654 rcu_read_unlock();
4655
4656 return ret;
4657 }
4658
ieee80211_cfg_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)4659 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
4660 struct wireless_dev *wdev,
4661 unsigned int link_id,
4662 struct cfg80211_chan_def *chandef)
4663 {
4664 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4665 struct ieee80211_local *local = wiphy_priv(wiphy);
4666 struct ieee80211_chanctx_conf *chanctx_conf;
4667 struct ieee80211_link_data *link;
4668 int ret = -ENODATA;
4669
4670 rcu_read_lock();
4671 link = rcu_dereference(sdata->link[link_id]);
4672 if (!link) {
4673 ret = -ENOLINK;
4674 goto out;
4675 }
4676
4677 chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
4678 if (chanctx_conf) {
4679 *chandef = link->conf->chanreq.oper;
4680 ret = 0;
4681 } else if (local->open_count > 0 &&
4682 local->open_count == local->virt_monitors &&
4683 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
4684 *chandef = local->monitor_chanreq.oper;
4685 ret = 0;
4686 }
4687 out:
4688 rcu_read_unlock();
4689
4690 return ret;
4691 }
4692
4693 #ifdef CONFIG_PM
ieee80211_set_wakeup(struct wiphy * wiphy,bool enabled)4694 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
4695 {
4696 drv_set_wakeup(wiphy_priv(wiphy), enabled);
4697 }
4698 #endif
4699
ieee80211_set_qos_map(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_qos_map * qos_map)4700 static int ieee80211_set_qos_map(struct wiphy *wiphy,
4701 struct net_device *dev,
4702 struct cfg80211_qos_map *qos_map)
4703 {
4704 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4705 struct mac80211_qos_map *new_qos_map, *old_qos_map;
4706
4707 if (qos_map) {
4708 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
4709 if (!new_qos_map)
4710 return -ENOMEM;
4711 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
4712 } else {
4713 /* A NULL qos_map was passed to disable QoS mapping */
4714 new_qos_map = NULL;
4715 }
4716
4717 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
4718 rcu_assign_pointer(sdata->qos_map, new_qos_map);
4719 if (old_qos_map)
4720 kfree_rcu(old_qos_map, rcu_head);
4721
4722 return 0;
4723 }
4724
ieee80211_set_ap_chanwidth(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id,struct cfg80211_chan_def * chandef)4725 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
4726 struct net_device *dev,
4727 unsigned int link_id,
4728 struct cfg80211_chan_def *chandef)
4729 {
4730 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4731 struct ieee80211_link_data *link;
4732 struct ieee80211_chan_req chanreq = { .oper = *chandef };
4733 int ret;
4734 u64 changed = 0;
4735
4736 link = sdata_dereference(sdata->link[link_id], sdata);
4737
4738 ret = ieee80211_link_change_chanreq(link, &chanreq, &changed);
4739 if (ret == 0)
4740 ieee80211_link_info_change_notify(sdata, link, changed);
4741
4742 return ret;
4743 }
4744
ieee80211_add_tx_ts(struct wiphy * wiphy,struct net_device * dev,u8 tsid,const u8 * peer,u8 up,u16 admitted_time)4745 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4746 u8 tsid, const u8 *peer, u8 up,
4747 u16 admitted_time)
4748 {
4749 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4750 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4751 int ac = ieee802_1d_to_ac[up];
4752
4753 if (sdata->vif.type != NL80211_IFTYPE_STATION)
4754 return -EOPNOTSUPP;
4755
4756 if (!(sdata->wmm_acm & BIT(up)))
4757 return -EINVAL;
4758
4759 if (ifmgd->tx_tspec[ac].admitted_time)
4760 return -EBUSY;
4761
4762 if (admitted_time) {
4763 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
4764 ifmgd->tx_tspec[ac].tsid = tsid;
4765 ifmgd->tx_tspec[ac].up = up;
4766 }
4767
4768 return 0;
4769 }
4770
ieee80211_del_tx_ts(struct wiphy * wiphy,struct net_device * dev,u8 tsid,const u8 * peer)4771 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4772 u8 tsid, const u8 *peer)
4773 {
4774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4775 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4776 struct ieee80211_local *local = wiphy_priv(wiphy);
4777 int ac;
4778
4779 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
4780 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
4781
4782 /* skip unused entries */
4783 if (!tx_tspec->admitted_time)
4784 continue;
4785
4786 if (tx_tspec->tsid != tsid)
4787 continue;
4788
4789 /* due to this new packets will be reassigned to non-ACM ACs */
4790 tx_tspec->up = -1;
4791
4792 /* Make sure that all packets have been sent to avoid to
4793 * restore the QoS params on packets that are still on the
4794 * queues.
4795 */
4796 synchronize_net();
4797 ieee80211_flush_queues(local, sdata, false);
4798
4799 /* restore the normal QoS parameters
4800 * (unconditionally to avoid races)
4801 */
4802 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
4803 tx_tspec->downgraded = false;
4804 ieee80211_sta_handle_tspec_ac_params(sdata);
4805
4806 /* finally clear all the data */
4807 memset(tx_tspec, 0, sizeof(*tx_tspec));
4808
4809 return 0;
4810 }
4811
4812 return -ENOENT;
4813 }
4814
ieee80211_nan_func_terminated(struct ieee80211_vif * vif,u8 inst_id,enum nl80211_nan_func_term_reason reason,gfp_t gfp)4815 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
4816 u8 inst_id,
4817 enum nl80211_nan_func_term_reason reason,
4818 gfp_t gfp)
4819 {
4820 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4821 struct cfg80211_nan_func *func;
4822 u64 cookie;
4823
4824 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4825 return;
4826
4827 spin_lock_bh(&sdata->u.nan.func_lock);
4828
4829 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
4830 if (WARN_ON(!func)) {
4831 spin_unlock_bh(&sdata->u.nan.func_lock);
4832 return;
4833 }
4834
4835 cookie = func->cookie;
4836 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
4837
4838 spin_unlock_bh(&sdata->u.nan.func_lock);
4839
4840 cfg80211_free_nan_func(func);
4841
4842 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
4843 reason, cookie, gfp);
4844 }
4845 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
4846
ieee80211_nan_func_match(struct ieee80211_vif * vif,struct cfg80211_nan_match_params * match,gfp_t gfp)4847 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
4848 struct cfg80211_nan_match_params *match,
4849 gfp_t gfp)
4850 {
4851 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4852 struct cfg80211_nan_func *func;
4853
4854 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4855 return;
4856
4857 spin_lock_bh(&sdata->u.nan.func_lock);
4858
4859 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
4860 if (WARN_ON(!func)) {
4861 spin_unlock_bh(&sdata->u.nan.func_lock);
4862 return;
4863 }
4864 match->cookie = func->cookie;
4865
4866 spin_unlock_bh(&sdata->u.nan.func_lock);
4867
4868 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
4869 }
4870 EXPORT_SYMBOL(ieee80211_nan_func_match);
4871
ieee80211_set_multicast_to_unicast(struct wiphy * wiphy,struct net_device * dev,const bool enabled)4872 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
4873 struct net_device *dev,
4874 const bool enabled)
4875 {
4876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4877
4878 sdata->u.ap.multicast_to_unicast = enabled;
4879
4880 return 0;
4881 }
4882
ieee80211_fill_txq_stats(struct cfg80211_txq_stats * txqstats,struct txq_info * txqi)4883 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
4884 struct txq_info *txqi)
4885 {
4886 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
4887 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
4888 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
4889 }
4890
4891 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
4892 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
4893 txqstats->backlog_packets = txqi->tin.backlog_packets;
4894 }
4895
4896 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
4897 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
4898 txqstats->flows = txqi->tin.flows;
4899 }
4900
4901 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
4902 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
4903 txqstats->drops = txqi->cstats.drop_count;
4904 }
4905
4906 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
4907 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
4908 txqstats->ecn_marks = txqi->cstats.ecn_mark;
4909 }
4910
4911 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
4912 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
4913 txqstats->overlimit = txqi->tin.overlimit;
4914 }
4915
4916 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
4917 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
4918 txqstats->collisions = txqi->tin.collisions;
4919 }
4920
4921 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
4922 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
4923 txqstats->tx_bytes = txqi->tin.tx_bytes;
4924 }
4925
4926 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
4927 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
4928 txqstats->tx_packets = txqi->tin.tx_packets;
4929 }
4930 }
4931
ieee80211_get_txq_stats(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_txq_stats * txqstats)4932 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
4933 struct wireless_dev *wdev,
4934 struct cfg80211_txq_stats *txqstats)
4935 {
4936 struct ieee80211_local *local = wiphy_priv(wiphy);
4937 struct ieee80211_sub_if_data *sdata;
4938 int ret = 0;
4939
4940 spin_lock_bh(&local->fq.lock);
4941
4942 if (wdev) {
4943 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4944 if (!sdata->vif.txq) {
4945 ret = 1;
4946 goto out;
4947 }
4948 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
4949 } else {
4950 /* phy stats */
4951 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
4952 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
4953 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4954 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4955 BIT(NL80211_TXQ_STATS_COLLISIONS) |
4956 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4957 txqstats->backlog_packets = local->fq.backlog;
4958 txqstats->backlog_bytes = local->fq.memory_usage;
4959 txqstats->overlimit = local->fq.overlimit;
4960 txqstats->overmemory = local->fq.overmemory;
4961 txqstats->collisions = local->fq.collisions;
4962 txqstats->max_flows = local->fq.flows_cnt;
4963 }
4964
4965 out:
4966 spin_unlock_bh(&local->fq.lock);
4967
4968 return ret;
4969 }
4970
4971 static int
ieee80211_get_ftm_responder_stats(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ftm_responder_stats * ftm_stats)4972 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4973 struct net_device *dev,
4974 struct cfg80211_ftm_responder_stats *ftm_stats)
4975 {
4976 struct ieee80211_local *local = wiphy_priv(wiphy);
4977 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4978
4979 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4980 }
4981
4982 static int
ieee80211_start_pmsr(struct wiphy * wiphy,struct wireless_dev * dev,struct cfg80211_pmsr_request * request)4983 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4984 struct cfg80211_pmsr_request *request)
4985 {
4986 struct ieee80211_local *local = wiphy_priv(wiphy);
4987 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4988
4989 return drv_start_pmsr(local, sdata, request);
4990 }
4991
4992 static void
ieee80211_abort_pmsr(struct wiphy * wiphy,struct wireless_dev * dev,struct cfg80211_pmsr_request * request)4993 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4994 struct cfg80211_pmsr_request *request)
4995 {
4996 struct ieee80211_local *local = wiphy_priv(wiphy);
4997 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4998
4999 return drv_abort_pmsr(local, sdata, request);
5000 }
5001
ieee80211_set_tid_config(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_tid_config * tid_conf)5002 static int ieee80211_set_tid_config(struct wiphy *wiphy,
5003 struct net_device *dev,
5004 struct cfg80211_tid_config *tid_conf)
5005 {
5006 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5007 struct sta_info *sta;
5008
5009 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5010
5011 if (!sdata->local->ops->set_tid_config)
5012 return -EOPNOTSUPP;
5013
5014 if (!tid_conf->peer)
5015 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
5016
5017 sta = sta_info_get_bss(sdata, tid_conf->peer);
5018 if (!sta)
5019 return -ENOENT;
5020
5021 return drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
5022 }
5023
ieee80211_reset_tid_config(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u8 tids)5024 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
5025 struct net_device *dev,
5026 const u8 *peer, u8 tids)
5027 {
5028 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5029 struct sta_info *sta;
5030
5031 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5032
5033 if (!sdata->local->ops->reset_tid_config)
5034 return -EOPNOTSUPP;
5035
5036 if (!peer)
5037 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
5038
5039 sta = sta_info_get_bss(sdata, peer);
5040 if (!sta)
5041 return -ENOENT;
5042
5043 return drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
5044 }
5045
ieee80211_set_sar_specs(struct wiphy * wiphy,struct cfg80211_sar_specs * sar)5046 static int ieee80211_set_sar_specs(struct wiphy *wiphy,
5047 struct cfg80211_sar_specs *sar)
5048 {
5049 struct ieee80211_local *local = wiphy_priv(wiphy);
5050
5051 if (!local->ops->set_sar_specs)
5052 return -EOPNOTSUPP;
5053
5054 return local->ops->set_sar_specs(&local->hw, sar);
5055 }
5056
5057 static int
ieee80211_set_after_color_change_beacon(struct ieee80211_link_data * link,u64 * changed)5058 ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link,
5059 u64 *changed)
5060 {
5061 struct ieee80211_sub_if_data *sdata = link->sdata;
5062
5063 switch (sdata->vif.type) {
5064 case NL80211_IFTYPE_AP: {
5065 int ret;
5066
5067 if (!link->u.ap.next_beacon)
5068 return -EINVAL;
5069
5070 ret = ieee80211_assign_beacon(sdata, link,
5071 link->u.ap.next_beacon,
5072 NULL, NULL, changed);
5073 ieee80211_free_next_beacon(link);
5074
5075 if (ret < 0)
5076 return ret;
5077
5078 break;
5079 }
5080 default:
5081 WARN_ON_ONCE(1);
5082 return -EINVAL;
5083 }
5084
5085 return 0;
5086 }
5087
5088 static int
ieee80211_set_color_change_beacon(struct ieee80211_link_data * link,struct cfg80211_color_change_settings * params,u64 * changed)5089 ieee80211_set_color_change_beacon(struct ieee80211_link_data *link,
5090 struct cfg80211_color_change_settings *params,
5091 u64 *changed)
5092 {
5093 struct ieee80211_sub_if_data *sdata = link->sdata;
5094 struct ieee80211_color_change_settings color_change = {};
5095 int err;
5096
5097 switch (sdata->vif.type) {
5098 case NL80211_IFTYPE_AP:
5099 link->u.ap.next_beacon =
5100 cfg80211_beacon_dup(¶ms->beacon_next);
5101 if (!link->u.ap.next_beacon)
5102 return -ENOMEM;
5103
5104 if (params->count <= 1)
5105 break;
5106
5107 color_change.counter_offset_beacon =
5108 params->counter_offset_beacon;
5109 color_change.counter_offset_presp =
5110 params->counter_offset_presp;
5111 color_change.count = params->count;
5112
5113 err = ieee80211_assign_beacon(sdata, link,
5114 ¶ms->beacon_color_change,
5115 NULL, &color_change, changed);
5116 if (err < 0) {
5117 ieee80211_free_next_beacon(link);
5118 return err;
5119 }
5120 break;
5121 default:
5122 return -EOPNOTSUPP;
5123 }
5124
5125 return 0;
5126 }
5127
5128 static void
ieee80211_color_change_bss_config_notify(struct ieee80211_link_data * link,u8 color,int enable,u64 changed)5129 ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link,
5130 u8 color, int enable, u64 changed)
5131 {
5132 struct ieee80211_sub_if_data *sdata = link->sdata;
5133
5134 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5135
5136 link->conf->he_bss_color.color = color;
5137 link->conf->he_bss_color.enabled = enable;
5138 changed |= BSS_CHANGED_HE_BSS_COLOR;
5139
5140 ieee80211_link_info_change_notify(sdata, link, changed);
5141
5142 if (!link->conf->nontransmitted &&
5143 rcu_access_pointer(link->conf->tx_bss_conf)) {
5144 struct ieee80211_link_data *tmp;
5145
5146 for_each_sdata_link(sdata->local, tmp) {
5147 if (tmp->sdata == sdata ||
5148 rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf)
5149 continue;
5150
5151 tmp->conf->he_bss_color.color = color;
5152 tmp->conf->he_bss_color.enabled = enable;
5153 ieee80211_link_info_change_notify(tmp->sdata, tmp,
5154 BSS_CHANGED_HE_BSS_COLOR);
5155 }
5156 }
5157 }
5158
ieee80211_color_change_finalize(struct ieee80211_link_data * link)5159 static int ieee80211_color_change_finalize(struct ieee80211_link_data *link)
5160 {
5161 struct ieee80211_sub_if_data *sdata = link->sdata;
5162 struct ieee80211_local *local = sdata->local;
5163 u64 changed = 0;
5164 int err;
5165
5166 lockdep_assert_wiphy(local->hw.wiphy);
5167
5168 link->conf->color_change_active = false;
5169
5170 err = ieee80211_set_after_color_change_beacon(link, &changed);
5171 if (err) {
5172 cfg80211_color_change_aborted_notify(sdata->dev, link->link_id);
5173 return err;
5174 }
5175
5176 ieee80211_color_change_bss_config_notify(link,
5177 link->conf->color_change_color,
5178 1, changed);
5179 cfg80211_color_change_notify(sdata->dev, link->link_id);
5180
5181 return 0;
5182 }
5183
ieee80211_color_change_finalize_work(struct wiphy * wiphy,struct wiphy_work * work)5184 void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
5185 struct wiphy_work *work)
5186 {
5187 struct ieee80211_link_data *link =
5188 container_of(work, struct ieee80211_link_data,
5189 color_change_finalize_work);
5190 struct ieee80211_sub_if_data *sdata = link->sdata;
5191 struct ieee80211_bss_conf *link_conf = link->conf;
5192 struct ieee80211_local *local = sdata->local;
5193
5194 lockdep_assert_wiphy(local->hw.wiphy);
5195
5196 /* AP might have been stopped while waiting for the lock. */
5197 if (!link_conf->color_change_active)
5198 return;
5199
5200 if (!ieee80211_sdata_running(sdata))
5201 return;
5202
5203 ieee80211_color_change_finalize(link);
5204 }
5205
ieee80211_color_collision_detection_work(struct wiphy * wiphy,struct wiphy_work * work)5206 void ieee80211_color_collision_detection_work(struct wiphy *wiphy,
5207 struct wiphy_work *work)
5208 {
5209 struct ieee80211_link_data *link =
5210 container_of(work, struct ieee80211_link_data,
5211 color_collision_detect_work.work);
5212 struct ieee80211_sub_if_data *sdata = link->sdata;
5213
5214 cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap,
5215 link->link_id);
5216 }
5217
ieee80211_color_change_finish(struct ieee80211_vif * vif,u8 link_id)5218 void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id)
5219 {
5220 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
5221 struct ieee80211_link_data *link;
5222
5223 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5224 return;
5225
5226 rcu_read_lock();
5227
5228 link = rcu_dereference(sdata->link[link_id]);
5229 if (WARN_ON(!link)) {
5230 rcu_read_unlock();
5231 return;
5232 }
5233
5234 wiphy_work_queue(sdata->local->hw.wiphy,
5235 &link->color_change_finalize_work);
5236
5237 rcu_read_unlock();
5238 }
5239 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
5240
5241 void
ieee80211_obss_color_collision_notify(struct ieee80211_vif * vif,u64 color_bitmap,u8 link_id)5242 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
5243 u64 color_bitmap, u8 link_id)
5244 {
5245 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
5246 struct ieee80211_link_data *link;
5247
5248 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5249 return;
5250
5251 rcu_read_lock();
5252
5253 link = rcu_dereference(sdata->link[link_id]);
5254 if (WARN_ON(!link)) {
5255 rcu_read_unlock();
5256 return;
5257 }
5258
5259 if (link->conf->color_change_active || link->conf->csa_active) {
5260 rcu_read_unlock();
5261 return;
5262 }
5263
5264 if (wiphy_delayed_work_pending(sdata->local->hw.wiphy,
5265 &link->color_collision_detect_work)) {
5266 rcu_read_unlock();
5267 return;
5268 }
5269
5270 link->color_bitmap = color_bitmap;
5271 /* queue the color collision detection event every 500 ms in order to
5272 * avoid sending too much netlink messages to userspace.
5273 */
5274 wiphy_delayed_work_queue(sdata->local->hw.wiphy,
5275 &link->color_collision_detect_work,
5276 msecs_to_jiffies(500));
5277
5278 rcu_read_unlock();
5279 }
5280 EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify);
5281
5282 static int
ieee80211_color_change(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_color_change_settings * params)5283 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
5284 struct cfg80211_color_change_settings *params)
5285 {
5286 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5287 struct ieee80211_local *local = sdata->local;
5288 struct ieee80211_bss_conf *link_conf;
5289 struct ieee80211_link_data *link;
5290 u8 link_id = params->link_id;
5291 u64 changed = 0;
5292 int err;
5293
5294 lockdep_assert_wiphy(local->hw.wiphy);
5295
5296 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5297 return -EINVAL;
5298
5299 link = wiphy_dereference(wiphy, sdata->link[link_id]);
5300 if (!link)
5301 return -ENOLINK;
5302
5303 link_conf = link->conf;
5304
5305 if (link_conf->nontransmitted)
5306 return -EINVAL;
5307
5308 /* don't allow another color change if one is already active or if csa
5309 * is active
5310 */
5311 if (link_conf->color_change_active || link_conf->csa_active) {
5312 err = -EBUSY;
5313 goto out;
5314 }
5315
5316 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
5317 ¶ms->unsol_bcast_probe_resp,
5318 link, link_conf, &changed);
5319 if (err)
5320 goto out;
5321
5322 err = ieee80211_set_color_change_beacon(link, params, &changed);
5323 if (err)
5324 goto out;
5325
5326 link_conf->color_change_active = true;
5327 link_conf->color_change_color = params->color;
5328
5329 cfg80211_color_change_started_notify(sdata->dev, params->count, link_id);
5330
5331 if (changed)
5332 ieee80211_color_change_bss_config_notify(link, 0, 0, changed);
5333 else
5334 /* if the beacon didn't change, we can finalize immediately */
5335 ieee80211_color_change_finalize(link);
5336
5337 out:
5338
5339 return err;
5340 }
5341
5342 static int
ieee80211_set_radar_background(struct wiphy * wiphy,struct cfg80211_chan_def * chandef)5343 ieee80211_set_radar_background(struct wiphy *wiphy,
5344 struct cfg80211_chan_def *chandef)
5345 {
5346 struct ieee80211_local *local = wiphy_priv(wiphy);
5347
5348 if (!local->ops->set_radar_background)
5349 return -EOPNOTSUPP;
5350
5351 return local->ops->set_radar_background(&local->hw, chandef);
5352 }
5353
ieee80211_add_intf_link(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id)5354 static int ieee80211_add_intf_link(struct wiphy *wiphy,
5355 struct wireless_dev *wdev,
5356 unsigned int link_id)
5357 {
5358 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
5359
5360 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5361
5362 if (wdev->use_4addr)
5363 return -EOPNOTSUPP;
5364
5365 return ieee80211_vif_set_links(sdata, wdev->valid_links, 0);
5366 }
5367
ieee80211_del_intf_link(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id)5368 static void ieee80211_del_intf_link(struct wiphy *wiphy,
5369 struct wireless_dev *wdev,
5370 unsigned int link_id)
5371 {
5372 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
5373 u16 new_links = wdev->valid_links & ~BIT(link_id);
5374
5375 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5376
5377 /* During the link teardown process, certain functions require the
5378 * link_id to remain in the valid_links bitmap. Therefore, instead
5379 * of removing the link_id from the bitmap, pass a masked value to
5380 * simulate as if link_id does not exist anymore.
5381 */
5382 ieee80211_vif_set_links(sdata, new_links, 0);
5383 }
5384
5385 static int
ieee80211_add_link_station(struct wiphy * wiphy,struct net_device * dev,struct link_station_parameters * params)5386 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev,
5387 struct link_station_parameters *params)
5388 {
5389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5390 struct ieee80211_local *local = wiphy_priv(wiphy);
5391 struct sta_info *sta;
5392 int ret;
5393
5394 lockdep_assert_wiphy(local->hw.wiphy);
5395
5396 sta = sta_info_get_bss(sdata, params->mld_mac);
5397 if (!sta)
5398 return -ENOENT;
5399
5400 if (!sta->sta.valid_links)
5401 return -EINVAL;
5402
5403 if (sta->sta.valid_links & BIT(params->link_id))
5404 return -EALREADY;
5405
5406 ret = ieee80211_sta_allocate_link(sta, params->link_id);
5407 if (ret)
5408 return ret;
5409
5410 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_NEW, params);
5411 if (ret) {
5412 ieee80211_sta_free_link(sta, params->link_id);
5413 return ret;
5414 }
5415
5416 if (test_sta_flag(sta, WLAN_STA_ASSOC)) {
5417 struct link_sta_info *link_sta;
5418
5419 link_sta = sdata_dereference(sta->link[params->link_id], sdata);
5420 rate_control_rate_init(link_sta);
5421 }
5422
5423 /* ieee80211_sta_activate_link frees the link upon failure */
5424 return ieee80211_sta_activate_link(sta, params->link_id);
5425 }
5426
5427 static int
ieee80211_mod_link_station(struct wiphy * wiphy,struct net_device * dev,struct link_station_parameters * params)5428 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev,
5429 struct link_station_parameters *params)
5430 {
5431 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5432 struct ieee80211_local *local = wiphy_priv(wiphy);
5433 struct sta_info *sta;
5434
5435 lockdep_assert_wiphy(local->hw.wiphy);
5436
5437 sta = sta_info_get_bss(sdata, params->mld_mac);
5438 if (!sta)
5439 return -ENOENT;
5440
5441 if (!(sta->sta.valid_links & BIT(params->link_id)))
5442 return -EINVAL;
5443
5444 return sta_link_apply_parameters(local, sta, STA_LINK_MODE_LINK_MODIFY,
5445 params);
5446 }
5447
5448 static int
ieee80211_del_link_station(struct wiphy * wiphy,struct net_device * dev,struct link_station_del_parameters * params)5449 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
5450 struct link_station_del_parameters *params)
5451 {
5452 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5453 struct sta_info *sta;
5454
5455 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5456
5457 sta = sta_info_get_bss(sdata, params->mld_mac);
5458 if (!sta)
5459 return -ENOENT;
5460
5461 if (!(sta->sta.valid_links & BIT(params->link_id)))
5462 return -EINVAL;
5463
5464 /* must not create a STA without links */
5465 if (sta->sta.valid_links == BIT(params->link_id))
5466 return -EINVAL;
5467
5468 ieee80211_sta_remove_link(sta, params->link_id);
5469
5470 return 0;
5471 }
5472
ieee80211_set_hw_timestamp(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_set_hw_timestamp * hwts)5473 static int ieee80211_set_hw_timestamp(struct wiphy *wiphy,
5474 struct net_device *dev,
5475 struct cfg80211_set_hw_timestamp *hwts)
5476 {
5477 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5478 struct ieee80211_local *local = sdata->local;
5479
5480 if (!local->ops->set_hw_timestamp)
5481 return -EOPNOTSUPP;
5482
5483 if (!check_sdata_in_driver(sdata))
5484 return -EIO;
5485
5486 return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts);
5487 }
5488
5489 static int
ieee80211_set_ttlm(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ttlm_params * params)5490 ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev,
5491 struct cfg80211_ttlm_params *params)
5492 {
5493 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5494
5495 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5496
5497 return ieee80211_req_neg_ttlm(sdata, params);
5498 }
5499
5500 static int
ieee80211_assoc_ml_reconf(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ml_reconf_req * req)5501 ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev,
5502 struct cfg80211_ml_reconf_req *req)
5503 {
5504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5505
5506 lockdep_assert_wiphy(sdata->local->hw.wiphy);
5507
5508 return ieee80211_mgd_assoc_ml_reconf(sdata, req);
5509 }
5510
5511 static int
ieee80211_set_epcs(struct wiphy * wiphy,struct net_device * dev,bool enable)5512 ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable)
5513 {
5514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5515
5516 return ieee80211_mgd_set_epcs(sdata, enable);
5517 }
5518
5519 const struct cfg80211_ops mac80211_config_ops = {
5520 .add_virtual_intf = ieee80211_add_iface,
5521 .del_virtual_intf = ieee80211_del_iface,
5522 .change_virtual_intf = ieee80211_change_iface,
5523 .start_p2p_device = ieee80211_start_p2p_device,
5524 .stop_p2p_device = ieee80211_stop_p2p_device,
5525 .add_key = ieee80211_add_key,
5526 .del_key = ieee80211_del_key,
5527 .get_key = ieee80211_get_key,
5528 .set_default_key = ieee80211_config_default_key,
5529 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5530 .set_default_beacon_key = ieee80211_config_default_beacon_key,
5531 .start_ap = ieee80211_start_ap,
5532 .change_beacon = ieee80211_change_beacon,
5533 .stop_ap = ieee80211_stop_ap,
5534 .add_station = ieee80211_add_station,
5535 .del_station = ieee80211_del_station,
5536 .change_station = ieee80211_change_station,
5537 .get_station = ieee80211_get_station,
5538 .dump_station = ieee80211_dump_station,
5539 .dump_survey = ieee80211_dump_survey,
5540 #ifdef CONFIG_MAC80211_MESH
5541 .add_mpath = ieee80211_add_mpath,
5542 .del_mpath = ieee80211_del_mpath,
5543 .change_mpath = ieee80211_change_mpath,
5544 .get_mpath = ieee80211_get_mpath,
5545 .dump_mpath = ieee80211_dump_mpath,
5546 .get_mpp = ieee80211_get_mpp,
5547 .dump_mpp = ieee80211_dump_mpp,
5548 .update_mesh_config = ieee80211_update_mesh_config,
5549 .get_mesh_config = ieee80211_get_mesh_config,
5550 .join_mesh = ieee80211_join_mesh,
5551 .leave_mesh = ieee80211_leave_mesh,
5552 #endif
5553 .join_ocb = ieee80211_join_ocb,
5554 .leave_ocb = ieee80211_leave_ocb,
5555 .change_bss = ieee80211_change_bss,
5556 .inform_bss = ieee80211_inform_bss,
5557 .set_txq_params = ieee80211_set_txq_params,
5558 .set_monitor_channel = ieee80211_set_monitor_channel,
5559 .suspend = ieee80211_suspend,
5560 .resume = ieee80211_resume,
5561 .scan = ieee80211_scan,
5562 .abort_scan = ieee80211_abort_scan,
5563 .sched_scan_start = ieee80211_sched_scan_start,
5564 .sched_scan_stop = ieee80211_sched_scan_stop,
5565 .auth = ieee80211_auth,
5566 .assoc = ieee80211_assoc,
5567 .deauth = ieee80211_deauth,
5568 .disassoc = ieee80211_disassoc,
5569 .join_ibss = ieee80211_join_ibss,
5570 .leave_ibss = ieee80211_leave_ibss,
5571 .set_mcast_rate = ieee80211_set_mcast_rate,
5572 .set_wiphy_params = ieee80211_set_wiphy_params,
5573 .set_tx_power = ieee80211_set_tx_power,
5574 .get_tx_power = ieee80211_get_tx_power,
5575 .rfkill_poll = ieee80211_rfkill_poll,
5576 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
5577 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
5578 .set_power_mgmt = ieee80211_set_power_mgmt,
5579 .set_bitrate_mask = ieee80211_set_bitrate_mask,
5580 .remain_on_channel = ieee80211_remain_on_channel,
5581 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
5582 .mgmt_tx = ieee80211_mgmt_tx,
5583 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
5584 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
5585 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
5586 .update_mgmt_frame_registrations =
5587 ieee80211_update_mgmt_frame_registrations,
5588 .set_antenna = ieee80211_set_antenna,
5589 .get_antenna = ieee80211_get_antenna,
5590 .set_rekey_data = ieee80211_set_rekey_data,
5591 .tdls_oper = ieee80211_tdls_oper,
5592 .tdls_mgmt = ieee80211_tdls_mgmt,
5593 .tdls_channel_switch = ieee80211_tdls_channel_switch,
5594 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
5595 .probe_client = ieee80211_probe_client,
5596 .set_noack_map = ieee80211_set_noack_map,
5597 #ifdef CONFIG_PM
5598 .set_wakeup = ieee80211_set_wakeup,
5599 #endif
5600 .get_channel = ieee80211_cfg_get_channel,
5601 .start_radar_detection = ieee80211_start_radar_detection,
5602 .end_cac = ieee80211_end_cac,
5603 .channel_switch = ieee80211_channel_switch,
5604 .set_qos_map = ieee80211_set_qos_map,
5605 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
5606 .add_tx_ts = ieee80211_add_tx_ts,
5607 .del_tx_ts = ieee80211_del_tx_ts,
5608 .start_nan = ieee80211_start_nan,
5609 .stop_nan = ieee80211_stop_nan,
5610 .nan_change_conf = ieee80211_nan_change_conf,
5611 .add_nan_func = ieee80211_add_nan_func,
5612 .del_nan_func = ieee80211_del_nan_func,
5613 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
5614 .tx_control_port = ieee80211_tx_control_port,
5615 .get_txq_stats = ieee80211_get_txq_stats,
5616 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
5617 .start_pmsr = ieee80211_start_pmsr,
5618 .abort_pmsr = ieee80211_abort_pmsr,
5619 .probe_mesh_link = ieee80211_probe_mesh_link,
5620 .set_tid_config = ieee80211_set_tid_config,
5621 .reset_tid_config = ieee80211_reset_tid_config,
5622 .set_sar_specs = ieee80211_set_sar_specs,
5623 .color_change = ieee80211_color_change,
5624 .set_radar_background = ieee80211_set_radar_background,
5625 .add_intf_link = ieee80211_add_intf_link,
5626 .del_intf_link = ieee80211_del_intf_link,
5627 .add_link_station = ieee80211_add_link_station,
5628 .mod_link_station = ieee80211_mod_link_station,
5629 .del_link_station = ieee80211_del_link_station,
5630 .set_hw_timestamp = ieee80211_set_hw_timestamp,
5631 .set_ttlm = ieee80211_set_ttlm,
5632 .get_radio_mask = ieee80211_get_radio_mask,
5633 .assoc_ml_reconf = ieee80211_assoc_ml_reconf,
5634 .set_epcs = ieee80211_set_epcs,
5635 };
5636