Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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) 2018-2020 Intel Corporation
9 */
10
11#include <linux/ieee80211.h>
12#include <linux/nl80211.h>
13#include <linux/rtnetlink.h>
14#include <linux/slab.h>
15#include <net/net_namespace.h>
16#include <linux/rcupdate.h>
17#include <linux/fips.h>
18#include <linux/if_ether.h>
19#include <net/cfg80211.h>
20#include "ieee80211_i.h"
21#include "driver-ops.h"
22#include "rate.h"
23#include "mesh.h"
24#include "wme.h"
25
26static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
27 struct vif_params *params)
28{
29 bool mu_mimo_groups = false;
30 bool mu_mimo_follow = false;
31
32 if (params->vht_mumimo_groups) {
33 u64 membership;
34
35 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
36
37 memcpy(sdata->vif.bss_conf.mu_group.membership,
38 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
39 memcpy(sdata->vif.bss_conf.mu_group.position,
40 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
41 WLAN_USER_POSITION_LEN);
42 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
43 /* don't care about endianness - just check for 0 */
44 memcpy(&membership, params->vht_mumimo_groups,
45 WLAN_MEMBERSHIP_LEN);
46 mu_mimo_groups = membership != 0;
47 }
48
49 if (params->vht_mumimo_follow_addr) {
50 mu_mimo_follow =
51 is_valid_ether_addr(params->vht_mumimo_follow_addr);
52 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
53 params->vht_mumimo_follow_addr);
54 }
55
56 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
57}
58
59static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
60 struct vif_params *params)
61{
62 struct ieee80211_local *local = sdata->local;
63 struct ieee80211_sub_if_data *monitor_sdata;
64
65 /* check flags first */
66 if (params->flags && ieee80211_sdata_running(sdata)) {
67 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
68
69 /*
70 * Prohibit MONITOR_FLAG_COOK_FRAMES and
71 * MONITOR_FLAG_ACTIVE to be changed while the
72 * interface is up.
73 * Else we would need to add a lot of cruft
74 * to update everything:
75 * cooked_mntrs, monitor and all fif_* counters
76 * reconfigure hardware
77 */
78 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
79 return -EBUSY;
80 }
81
82 /* also validate MU-MIMO change */
83 monitor_sdata = rtnl_dereference(local->monitor_sdata);
84
85 if (!monitor_sdata &&
86 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
87 return -EOPNOTSUPP;
88
89 /* apply all changes now - no failures allowed */
90
91 if (monitor_sdata)
92 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
93
94 if (params->flags) {
95 if (ieee80211_sdata_running(sdata)) {
96 ieee80211_adjust_monitor_flags(sdata, -1);
97 sdata->u.mntr.flags = params->flags;
98 ieee80211_adjust_monitor_flags(sdata, 1);
99
100 ieee80211_configure_filter(local);
101 } else {
102 /*
103 * Because the interface is down, ieee80211_do_stop
104 * and ieee80211_do_open take care of "everything"
105 * mentioned in the comment above.
106 */
107 sdata->u.mntr.flags = params->flags;
108 }
109 }
110
111 return 0;
112}
113
114static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
115 const char *name,
116 unsigned char name_assign_type,
117 enum nl80211_iftype type,
118 struct vif_params *params)
119{
120 struct ieee80211_local *local = wiphy_priv(wiphy);
121 struct wireless_dev *wdev;
122 struct ieee80211_sub_if_data *sdata;
123 int err;
124
125 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
126 if (err)
127 return ERR_PTR(err);
128
129 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
130
131 if (type == NL80211_IFTYPE_MONITOR) {
132 err = ieee80211_set_mon_options(sdata, params);
133 if (err) {
134 ieee80211_if_remove(sdata);
135 return NULL;
136 }
137 }
138
139 return wdev;
140}
141
142static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
143{
144 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
145
146 return 0;
147}
148
149static int ieee80211_change_iface(struct wiphy *wiphy,
150 struct net_device *dev,
151 enum nl80211_iftype type,
152 struct vif_params *params)
153{
154 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
155 int ret;
156
157 ret = ieee80211_if_change_type(sdata, type);
158 if (ret)
159 return ret;
160
161 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
165 sdata->u.mgd.use_4addr = params->use_4addr;
166 }
167
168 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
169 ret = ieee80211_set_mon_options(sdata, params);
170 if (ret)
171 return ret;
172 }
173
174 return 0;
175}
176
177static int ieee80211_start_p2p_device(struct wiphy *wiphy,
178 struct wireless_dev *wdev)
179{
180 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
181 int ret;
182
183 mutex_lock(&sdata->local->chanctx_mtx);
184 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
185 mutex_unlock(&sdata->local->chanctx_mtx);
186 if (ret < 0)
187 return ret;
188
189 return ieee80211_do_open(wdev, true);
190}
191
192static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
193 struct wireless_dev *wdev)
194{
195 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
196}
197
198static int ieee80211_start_nan(struct wiphy *wiphy,
199 struct wireless_dev *wdev,
200 struct cfg80211_nan_conf *conf)
201{
202 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
203 int ret;
204
205 mutex_lock(&sdata->local->chanctx_mtx);
206 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
207 mutex_unlock(&sdata->local->chanctx_mtx);
208 if (ret < 0)
209 return ret;
210
211 ret = ieee80211_do_open(wdev, true);
212 if (ret)
213 return ret;
214
215 ret = drv_start_nan(sdata->local, sdata, conf);
216 if (ret)
217 ieee80211_sdata_stop(sdata);
218
219 sdata->u.nan.conf = *conf;
220
221 return ret;
222}
223
224static void ieee80211_stop_nan(struct wiphy *wiphy,
225 struct wireless_dev *wdev)
226{
227 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
228
229 drv_stop_nan(sdata->local, sdata);
230 ieee80211_sdata_stop(sdata);
231}
232
233static int ieee80211_nan_change_conf(struct wiphy *wiphy,
234 struct wireless_dev *wdev,
235 struct cfg80211_nan_conf *conf,
236 u32 changes)
237{
238 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
239 struct cfg80211_nan_conf new_conf;
240 int ret = 0;
241
242 if (sdata->vif.type != NL80211_IFTYPE_NAN)
243 return -EOPNOTSUPP;
244
245 if (!ieee80211_sdata_running(sdata))
246 return -ENETDOWN;
247
248 new_conf = sdata->u.nan.conf;
249
250 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
251 new_conf.master_pref = conf->master_pref;
252
253 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
254 new_conf.bands = conf->bands;
255
256 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
257 if (!ret)
258 sdata->u.nan.conf = new_conf;
259
260 return ret;
261}
262
263static int ieee80211_add_nan_func(struct wiphy *wiphy,
264 struct wireless_dev *wdev,
265 struct cfg80211_nan_func *nan_func)
266{
267 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
268 int ret;
269
270 if (sdata->vif.type != NL80211_IFTYPE_NAN)
271 return -EOPNOTSUPP;
272
273 if (!ieee80211_sdata_running(sdata))
274 return -ENETDOWN;
275
276 spin_lock_bh(&sdata->u.nan.func_lock);
277
278 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
279 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
280 GFP_ATOMIC);
281 spin_unlock_bh(&sdata->u.nan.func_lock);
282
283 if (ret < 0)
284 return ret;
285
286 nan_func->instance_id = ret;
287
288 WARN_ON(nan_func->instance_id == 0);
289
290 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
291 if (ret) {
292 spin_lock_bh(&sdata->u.nan.func_lock);
293 idr_remove(&sdata->u.nan.function_inst_ids,
294 nan_func->instance_id);
295 spin_unlock_bh(&sdata->u.nan.func_lock);
296 }
297
298 return ret;
299}
300
301static struct cfg80211_nan_func *
302ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
303 u64 cookie)
304{
305 struct cfg80211_nan_func *func;
306 int id;
307
308 lockdep_assert_held(&sdata->u.nan.func_lock);
309
310 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
311 if (func->cookie == cookie)
312 return func;
313 }
314
315 return NULL;
316}
317
318static void ieee80211_del_nan_func(struct wiphy *wiphy,
319 struct wireless_dev *wdev, u64 cookie)
320{
321 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
322 struct cfg80211_nan_func *func;
323 u8 instance_id = 0;
324
325 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
326 !ieee80211_sdata_running(sdata))
327 return;
328
329 spin_lock_bh(&sdata->u.nan.func_lock);
330
331 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
332 if (func)
333 instance_id = func->instance_id;
334
335 spin_unlock_bh(&sdata->u.nan.func_lock);
336
337 if (instance_id)
338 drv_del_nan_func(sdata->local, sdata, instance_id);
339}
340
341static int ieee80211_set_noack_map(struct wiphy *wiphy,
342 struct net_device *dev,
343 u16 noack_map)
344{
345 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
346
347 sdata->noack_map = noack_map;
348
349 ieee80211_check_fast_xmit_iface(sdata);
350
351 return 0;
352}
353
354static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
355 const u8 *mac_addr, u8 key_idx)
356{
357 struct ieee80211_local *local = sdata->local;
358 struct ieee80211_key *key;
359 struct sta_info *sta;
360 int ret = -EINVAL;
361
362 if (!wiphy_ext_feature_isset(local->hw.wiphy,
363 NL80211_EXT_FEATURE_EXT_KEY_ID))
364 return -EINVAL;
365
366 sta = sta_info_get_bss(sdata, mac_addr);
367
368 if (!sta)
369 return -EINVAL;
370
371 if (sta->ptk_idx == key_idx)
372 return 0;
373
374 mutex_lock(&local->key_mtx);
375 key = key_mtx_dereference(local, sta->ptk[key_idx]);
376
377 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
378 ret = ieee80211_set_tx_key(key);
379
380 mutex_unlock(&local->key_mtx);
381 return ret;
382}
383
384static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
385 u8 key_idx, bool pairwise, const u8 *mac_addr,
386 struct key_params *params)
387{
388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
389 struct ieee80211_local *local = sdata->local;
390 struct sta_info *sta = NULL;
391 const struct ieee80211_cipher_scheme *cs = NULL;
392 struct ieee80211_key *key;
393 int err;
394
395 if (!ieee80211_sdata_running(sdata))
396 return -ENETDOWN;
397
398 if (pairwise && params->mode == NL80211_KEY_SET_TX)
399 return ieee80211_set_tx(sdata, mac_addr, key_idx);
400
401 /* reject WEP and TKIP keys if WEP failed to initialize */
402 switch (params->cipher) {
403 case WLAN_CIPHER_SUITE_WEP40:
404 case WLAN_CIPHER_SUITE_TKIP:
405 case WLAN_CIPHER_SUITE_WEP104:
406 if (WARN_ON_ONCE(fips_enabled))
407 return -EINVAL;
408 break;
409 case WLAN_CIPHER_SUITE_CCMP:
410 case WLAN_CIPHER_SUITE_CCMP_256:
411 case WLAN_CIPHER_SUITE_AES_CMAC:
412 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
413 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
414 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
415 case WLAN_CIPHER_SUITE_GCMP:
416 case WLAN_CIPHER_SUITE_GCMP_256:
417 break;
418 default:
419 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
420 break;
421 }
422
423 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
424 params->key, params->seq_len, params->seq,
425 cs);
426 if (IS_ERR(key))
427 return PTR_ERR(key);
428
429 if (pairwise)
430 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
431
432 if (params->mode == NL80211_KEY_NO_TX)
433 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
434
435 mutex_lock(&local->sta_mtx);
436
437 if (mac_addr) {
438 sta = sta_info_get_bss(sdata, mac_addr);
439 /*
440 * The ASSOC test makes sure the driver is ready to
441 * receive the key. When wpa_supplicant has roamed
442 * using FT, it attempts to set the key before
443 * association has completed, this rejects that attempt
444 * so it will set the key again after association.
445 *
446 * TODO: accept the key if we have a station entry and
447 * add it to the device after the station.
448 */
449 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
450 ieee80211_key_free_unused(key);
451 err = -ENOENT;
452 goto out_unlock;
453 }
454 }
455
456 switch (sdata->vif.type) {
457 case NL80211_IFTYPE_STATION:
458 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
459 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
460 break;
461 case NL80211_IFTYPE_AP:
462 case NL80211_IFTYPE_AP_VLAN:
463 /* Keys without a station are used for TX only */
464 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
465 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
466 break;
467 case NL80211_IFTYPE_ADHOC:
468 /* no MFP (yet) */
469 break;
470 case NL80211_IFTYPE_MESH_POINT:
471#ifdef CONFIG_MAC80211_MESH
472 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
473 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
474 break;
475#endif
476 case NL80211_IFTYPE_WDS:
477 case NL80211_IFTYPE_MONITOR:
478 case NL80211_IFTYPE_P2P_DEVICE:
479 case NL80211_IFTYPE_NAN:
480 case NL80211_IFTYPE_UNSPECIFIED:
481 case NUM_NL80211_IFTYPES:
482 case NL80211_IFTYPE_P2P_CLIENT:
483 case NL80211_IFTYPE_P2P_GO:
484 case NL80211_IFTYPE_OCB:
485 /* shouldn't happen */
486 WARN_ON_ONCE(1);
487 break;
488 }
489
490 if (sta)
491 sta->cipher_scheme = cs;
492
493 err = ieee80211_key_link(key, sdata, sta);
494
495 out_unlock:
496 mutex_unlock(&local->sta_mtx);
497
498 return err;
499}
500
501static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
502 u8 key_idx, bool pairwise, const u8 *mac_addr)
503{
504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
505 struct ieee80211_local *local = sdata->local;
506 struct sta_info *sta;
507 struct ieee80211_key *key = NULL;
508 int ret;
509
510 mutex_lock(&local->sta_mtx);
511 mutex_lock(&local->key_mtx);
512
513 if (mac_addr) {
514 ret = -ENOENT;
515
516 sta = sta_info_get_bss(sdata, mac_addr);
517 if (!sta)
518 goto out_unlock;
519
520 if (pairwise)
521 key = key_mtx_dereference(local, sta->ptk[key_idx]);
522 else
523 key = key_mtx_dereference(local, sta->gtk[key_idx]);
524 } else
525 key = key_mtx_dereference(local, sdata->keys[key_idx]);
526
527 if (!key) {
528 ret = -ENOENT;
529 goto out_unlock;
530 }
531
532 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
533
534 ret = 0;
535 out_unlock:
536 mutex_unlock(&local->key_mtx);
537 mutex_unlock(&local->sta_mtx);
538
539 return ret;
540}
541
542static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
543 u8 key_idx, bool pairwise, const u8 *mac_addr,
544 void *cookie,
545 void (*callback)(void *cookie,
546 struct key_params *params))
547{
548 struct ieee80211_sub_if_data *sdata;
549 struct sta_info *sta = NULL;
550 u8 seq[6] = {0};
551 struct key_params params;
552 struct ieee80211_key *key = NULL;
553 u64 pn64;
554 u32 iv32;
555 u16 iv16;
556 int err = -ENOENT;
557 struct ieee80211_key_seq kseq = {};
558
559 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
560
561 rcu_read_lock();
562
563 if (mac_addr) {
564 sta = sta_info_get_bss(sdata, mac_addr);
565 if (!sta)
566 goto out;
567
568 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
569 key = rcu_dereference(sta->ptk[key_idx]);
570 else if (!pairwise &&
571 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
572 NUM_DEFAULT_BEACON_KEYS)
573 key = rcu_dereference(sta->gtk[key_idx]);
574 } else
575 key = rcu_dereference(sdata->keys[key_idx]);
576
577 if (!key)
578 goto out;
579
580 memset(¶ms, 0, sizeof(params));
581
582 params.cipher = key->conf.cipher;
583
584 switch (key->conf.cipher) {
585 case WLAN_CIPHER_SUITE_TKIP:
586 pn64 = atomic64_read(&key->conf.tx_pn);
587 iv32 = TKIP_PN_TO_IV32(pn64);
588 iv16 = TKIP_PN_TO_IV16(pn64);
589
590 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
591 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
592 drv_get_key_seq(sdata->local, key, &kseq);
593 iv32 = kseq.tkip.iv32;
594 iv16 = kseq.tkip.iv16;
595 }
596
597 seq[0] = iv16 & 0xff;
598 seq[1] = (iv16 >> 8) & 0xff;
599 seq[2] = iv32 & 0xff;
600 seq[3] = (iv32 >> 8) & 0xff;
601 seq[4] = (iv32 >> 16) & 0xff;
602 seq[5] = (iv32 >> 24) & 0xff;
603 params.seq = seq;
604 params.seq_len = 6;
605 break;
606 case WLAN_CIPHER_SUITE_CCMP:
607 case WLAN_CIPHER_SUITE_CCMP_256:
608 case WLAN_CIPHER_SUITE_AES_CMAC:
609 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
610 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
611 offsetof(typeof(kseq), aes_cmac));
612 fallthrough;
613 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
614 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
615 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
616 offsetof(typeof(kseq), aes_gmac));
617 fallthrough;
618 case WLAN_CIPHER_SUITE_GCMP:
619 case WLAN_CIPHER_SUITE_GCMP_256:
620 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
621 offsetof(typeof(kseq), gcmp));
622
623 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
624 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
625 drv_get_key_seq(sdata->local, key, &kseq);
626 memcpy(seq, kseq.ccmp.pn, 6);
627 } else {
628 pn64 = atomic64_read(&key->conf.tx_pn);
629 seq[0] = pn64;
630 seq[1] = pn64 >> 8;
631 seq[2] = pn64 >> 16;
632 seq[3] = pn64 >> 24;
633 seq[4] = pn64 >> 32;
634 seq[5] = pn64 >> 40;
635 }
636 params.seq = seq;
637 params.seq_len = 6;
638 break;
639 default:
640 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
641 break;
642 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
643 break;
644 drv_get_key_seq(sdata->local, key, &kseq);
645 params.seq = kseq.hw.seq;
646 params.seq_len = kseq.hw.seq_len;
647 break;
648 }
649
650 params.key = key->conf.key;
651 params.key_len = key->conf.keylen;
652
653 callback(cookie, ¶ms);
654 err = 0;
655
656 out:
657 rcu_read_unlock();
658 return err;
659}
660
661static int ieee80211_config_default_key(struct wiphy *wiphy,
662 struct net_device *dev,
663 u8 key_idx, bool uni,
664 bool multi)
665{
666 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
667
668 ieee80211_set_default_key(sdata, key_idx, uni, multi);
669
670 return 0;
671}
672
673static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
674 struct net_device *dev,
675 u8 key_idx)
676{
677 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
678
679 ieee80211_set_default_mgmt_key(sdata, key_idx);
680
681 return 0;
682}
683
684static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
685 struct net_device *dev,
686 u8 key_idx)
687{
688 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
689
690 ieee80211_set_default_beacon_key(sdata, key_idx);
691
692 return 0;
693}
694
695void sta_set_rate_info_tx(struct sta_info *sta,
696 const struct ieee80211_tx_rate *rate,
697 struct rate_info *rinfo)
698{
699 rinfo->flags = 0;
700 if (rate->flags & IEEE80211_TX_RC_MCS) {
701 rinfo->flags |= RATE_INFO_FLAGS_MCS;
702 rinfo->mcs = rate->idx;
703 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
704 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
705 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
706 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
707 } else {
708 struct ieee80211_supported_band *sband;
709 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
710 u16 brate;
711
712 sband = ieee80211_get_sband(sta->sdata);
713 WARN_ON_ONCE(sband && !sband->bitrates);
714 if (sband && sband->bitrates) {
715 brate = sband->bitrates[rate->idx].bitrate;
716 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
717 }
718 }
719 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
720 rinfo->bw = RATE_INFO_BW_40;
721 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
722 rinfo->bw = RATE_INFO_BW_80;
723 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
724 rinfo->bw = RATE_INFO_BW_160;
725 else
726 rinfo->bw = RATE_INFO_BW_20;
727 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
728 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
729}
730
731static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
732 int idx, u8 *mac, struct station_info *sinfo)
733{
734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
735 struct ieee80211_local *local = sdata->local;
736 struct sta_info *sta;
737 int ret = -ENOENT;
738
739 mutex_lock(&local->sta_mtx);
740
741 sta = sta_info_get_by_idx(sdata, idx);
742 if (sta) {
743 ret = 0;
744 memcpy(mac, sta->sta.addr, ETH_ALEN);
745 sta_set_sinfo(sta, sinfo, true);
746 }
747
748 mutex_unlock(&local->sta_mtx);
749
750 return ret;
751}
752
753static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
754 int idx, struct survey_info *survey)
755{
756 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
757
758 return drv_get_survey(local, idx, survey);
759}
760
761static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
762 const u8 *mac, struct station_info *sinfo)
763{
764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
765 struct ieee80211_local *local = sdata->local;
766 struct sta_info *sta;
767 int ret = -ENOENT;
768
769 mutex_lock(&local->sta_mtx);
770
771 sta = sta_info_get_bss(sdata, mac);
772 if (sta) {
773 ret = 0;
774 sta_set_sinfo(sta, sinfo, true);
775 }
776
777 mutex_unlock(&local->sta_mtx);
778
779 return ret;
780}
781
782static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
783 struct cfg80211_chan_def *chandef)
784{
785 struct ieee80211_local *local = wiphy_priv(wiphy);
786 struct ieee80211_sub_if_data *sdata;
787 int ret = 0;
788
789 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
790 return 0;
791
792 mutex_lock(&local->mtx);
793 if (local->use_chanctx) {
794 sdata = rtnl_dereference(local->monitor_sdata);
795 if (sdata) {
796 ieee80211_vif_release_channel(sdata);
797 ret = ieee80211_vif_use_channel(sdata, chandef,
798 IEEE80211_CHANCTX_EXCLUSIVE);
799 }
800 } else if (local->open_count == local->monitors) {
801 local->_oper_chandef = *chandef;
802 ieee80211_hw_config(local, 0);
803 }
804
805 if (ret == 0)
806 local->monitor_chandef = *chandef;
807 mutex_unlock(&local->mtx);
808
809 return ret;
810}
811
812static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
813 const u8 *resp, size_t resp_len,
814 const struct ieee80211_csa_settings *csa)
815{
816 struct probe_resp *new, *old;
817
818 if (!resp || !resp_len)
819 return 1;
820
821 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
822
823 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
824 if (!new)
825 return -ENOMEM;
826
827 new->len = resp_len;
828 memcpy(new->data, resp, resp_len);
829
830 if (csa)
831 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
832 csa->n_counter_offsets_presp *
833 sizeof(new->cntdwn_counter_offsets[0]));
834
835 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
836 if (old)
837 kfree_rcu(old, rcu_head);
838
839 return 0;
840}
841
842static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
843 struct cfg80211_fils_discovery *params)
844{
845 struct fils_discovery_data *new, *old = NULL;
846 struct ieee80211_fils_discovery *fd;
847
848 if (!params->tmpl || !params->tmpl_len)
849 return -EINVAL;
850
851 fd = &sdata->vif.bss_conf.fils_discovery;
852 fd->min_interval = params->min_interval;
853 fd->max_interval = params->max_interval;
854
855 old = sdata_dereference(sdata->u.ap.fils_discovery, sdata);
856 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
857 if (!new)
858 return -ENOMEM;
859 new->len = params->tmpl_len;
860 memcpy(new->data, params->tmpl, params->tmpl_len);
861 rcu_assign_pointer(sdata->u.ap.fils_discovery, new);
862
863 if (old)
864 kfree_rcu(old, rcu_head);
865
866 return 0;
867}
868
869static int
870ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
871 struct cfg80211_unsol_bcast_probe_resp *params)
872{
873 struct unsol_bcast_probe_resp_data *new, *old = NULL;
874
875 if (!params->tmpl || !params->tmpl_len)
876 return -EINVAL;
877
878 old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata);
879 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
880 if (!new)
881 return -ENOMEM;
882 new->len = params->tmpl_len;
883 memcpy(new->data, params->tmpl, params->tmpl_len);
884 rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new);
885
886 if (old)
887 kfree_rcu(old, rcu_head);
888
889 sdata->vif.bss_conf.unsol_bcast_probe_resp_interval =
890 params->interval;
891
892 return 0;
893}
894
895static int ieee80211_set_ftm_responder_params(
896 struct ieee80211_sub_if_data *sdata,
897 const u8 *lci, size_t lci_len,
898 const u8 *civicloc, size_t civicloc_len)
899{
900 struct ieee80211_ftm_responder_params *new, *old;
901 struct ieee80211_bss_conf *bss_conf;
902 u8 *pos;
903 int len;
904
905 if (!lci_len && !civicloc_len)
906 return 0;
907
908 bss_conf = &sdata->vif.bss_conf;
909 old = bss_conf->ftmr_params;
910 len = lci_len + civicloc_len;
911
912 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
913 if (!new)
914 return -ENOMEM;
915
916 pos = (u8 *)(new + 1);
917 if (lci_len) {
918 new->lci_len = lci_len;
919 new->lci = pos;
920 memcpy(pos, lci, lci_len);
921 pos += lci_len;
922 }
923
924 if (civicloc_len) {
925 new->civicloc_len = civicloc_len;
926 new->civicloc = pos;
927 memcpy(pos, civicloc, civicloc_len);
928 pos += civicloc_len;
929 }
930
931 bss_conf->ftmr_params = new;
932 kfree(old);
933
934 return 0;
935}
936
937static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
938 struct cfg80211_beacon_data *params,
939 const struct ieee80211_csa_settings *csa)
940{
941 struct beacon_data *new, *old;
942 int new_head_len, new_tail_len;
943 int size, err;
944 u32 changed = BSS_CHANGED_BEACON;
945
946 old = sdata_dereference(sdata->u.ap.beacon, sdata);
947
948
949 /* Need to have a beacon head if we don't have one yet */
950 if (!params->head && !old)
951 return -EINVAL;
952
953 /* new or old head? */
954 if (params->head)
955 new_head_len = params->head_len;
956 else
957 new_head_len = old->head_len;
958
959 /* new or old tail? */
960 if (params->tail || !old)
961 /* params->tail_len will be zero for !params->tail */
962 new_tail_len = params->tail_len;
963 else
964 new_tail_len = old->tail_len;
965
966 size = sizeof(*new) + new_head_len + new_tail_len;
967
968 new = kzalloc(size, GFP_KERNEL);
969 if (!new)
970 return -ENOMEM;
971
972 /* start filling the new info now */
973
974 /*
975 * pointers go into the block we allocated,
976 * memory is | beacon_data | head | tail |
977 */
978 new->head = ((u8 *) new) + sizeof(*new);
979 new->tail = new->head + new_head_len;
980 new->head_len = new_head_len;
981 new->tail_len = new_tail_len;
982
983 if (csa) {
984 new->cntdwn_current_counter = csa->count;
985 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
986 csa->n_counter_offsets_beacon *
987 sizeof(new->cntdwn_counter_offsets[0]));
988 }
989
990 /* copy in head */
991 if (params->head)
992 memcpy(new->head, params->head, new_head_len);
993 else
994 memcpy(new->head, old->head, new_head_len);
995
996 /* copy in optional tail */
997 if (params->tail)
998 memcpy(new->tail, params->tail, new_tail_len);
999 else
1000 if (old)
1001 memcpy(new->tail, old->tail, new_tail_len);
1002
1003 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1004 params->probe_resp_len, csa);
1005 if (err < 0) {
1006 kfree(new);
1007 return err;
1008 }
1009 if (err == 0)
1010 changed |= BSS_CHANGED_AP_PROBE_RESP;
1011
1012 if (params->ftm_responder != -1) {
1013 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
1014 err = ieee80211_set_ftm_responder_params(sdata,
1015 params->lci,
1016 params->lci_len,
1017 params->civicloc,
1018 params->civicloc_len);
1019
1020 if (err < 0) {
1021 kfree(new);
1022 return err;
1023 }
1024
1025 changed |= BSS_CHANGED_FTM_RESPONDER;
1026 }
1027
1028 rcu_assign_pointer(sdata->u.ap.beacon, new);
1029
1030 if (old)
1031 kfree_rcu(old, rcu_head);
1032
1033 return changed;
1034}
1035
1036static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1037 struct cfg80211_ap_settings *params)
1038{
1039 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1040 struct ieee80211_local *local = sdata->local;
1041 struct beacon_data *old;
1042 struct ieee80211_sub_if_data *vlan;
1043 u32 changed = BSS_CHANGED_BEACON_INT |
1044 BSS_CHANGED_BEACON_ENABLED |
1045 BSS_CHANGED_BEACON |
1046 BSS_CHANGED_SSID |
1047 BSS_CHANGED_P2P_PS |
1048 BSS_CHANGED_TXPOWER |
1049 BSS_CHANGED_TWT;
1050 int i, err;
1051 int prev_beacon_int;
1052
1053 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1054 if (old)
1055 return -EALREADY;
1056
1057 if (params->smps_mode != NL80211_SMPS_OFF)
1058 return -ENOTSUPP;
1059
1060 sdata->smps_mode = IEEE80211_SMPS_OFF;
1061
1062 sdata->needed_rx_chains = sdata->local->rx_chains;
1063
1064 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1065 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1066
1067 if (params->he_cap && params->he_oper) {
1068 sdata->vif.bss_conf.he_support = true;
1069 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1070 le32_get_bits(params->he_oper->he_oper_params,
1071 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1072 sdata->vif.bss_conf.frame_time_rts_th =
1073 le32_get_bits(params->he_oper->he_oper_params,
1074 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1075 changed |= BSS_CHANGED_HE_OBSS_PD;
1076
1077 if (params->he_bss_color.enabled)
1078 changed |= BSS_CHANGED_HE_BSS_COLOR;
1079 }
1080
1081 mutex_lock(&local->mtx);
1082 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1083 IEEE80211_CHANCTX_SHARED);
1084 if (!err)
1085 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1086 mutex_unlock(&local->mtx);
1087 if (err) {
1088 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1089 return err;
1090 }
1091
1092 /*
1093 * Apply control port protocol, this allows us to
1094 * not encrypt dynamic WEP control frames.
1095 */
1096 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1097 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1098 sdata->control_port_over_nl80211 =
1099 params->crypto.control_port_over_nl80211;
1100 sdata->control_port_no_preauth =
1101 params->crypto.control_port_no_preauth;
1102 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1103 ¶ms->crypto,
1104 sdata->vif.type);
1105
1106 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1107 vlan->control_port_protocol =
1108 params->crypto.control_port_ethertype;
1109 vlan->control_port_no_encrypt =
1110 params->crypto.control_port_no_encrypt;
1111 vlan->control_port_over_nl80211 =
1112 params->crypto.control_port_over_nl80211;
1113 vlan->control_port_no_preauth =
1114 params->crypto.control_port_no_preauth;
1115 vlan->encrypt_headroom =
1116 ieee80211_cs_headroom(sdata->local,
1117 ¶ms->crypto,
1118 vlan->vif.type);
1119 }
1120
1121 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1122 sdata->vif.bss_conf.enable_beacon = true;
1123 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1124 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1125 sdata->vif.bss_conf.he_obss_pd = params->he_obss_pd;
1126 sdata->vif.bss_conf.he_bss_color = params->he_bss_color;
1127 sdata->vif.bss_conf.s1g = params->chandef.chan->band ==
1128 NL80211_BAND_S1GHZ;
1129
1130 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1131 if (params->ssid_len)
1132 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1133 params->ssid_len);
1134 sdata->vif.bss_conf.hidden_ssid =
1135 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1136
1137 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1138 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1139 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1140 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1141 if (params->p2p_opp_ps)
1142 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1143 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1144
1145 sdata->beacon_rate_set = false;
1146 if (wiphy_ext_feature_isset(local->hw.wiphy,
1147 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1148 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1149 sdata->beacon_rateidx_mask[i] =
1150 params->beacon_rate.control[i].legacy;
1151 if (sdata->beacon_rateidx_mask[i])
1152 sdata->beacon_rate_set = true;
1153 }
1154 }
1155
1156 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1157 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate;
1158
1159 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
1160 if (err < 0)
1161 goto error;
1162 changed |= err;
1163
1164 if (params->fils_discovery.max_interval) {
1165 err = ieee80211_set_fils_discovery(sdata,
1166 ¶ms->fils_discovery);
1167 if (err < 0)
1168 goto error;
1169 changed |= BSS_CHANGED_FILS_DISCOVERY;
1170 }
1171
1172 if (params->unsol_bcast_probe_resp.interval) {
1173 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1174 ¶ms->unsol_bcast_probe_resp);
1175 if (err < 0)
1176 goto error;
1177 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1178 }
1179
1180 err = drv_start_ap(sdata->local, sdata);
1181 if (err) {
1182 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1183
1184 if (old)
1185 kfree_rcu(old, rcu_head);
1186 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1187 goto error;
1188 }
1189
1190 ieee80211_recalc_dtim(local, sdata);
1191 ieee80211_bss_info_change_notify(sdata, changed);
1192
1193 netif_carrier_on(dev);
1194 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1195 netif_carrier_on(vlan->dev);
1196
1197 return 0;
1198
1199error:
1200 ieee80211_vif_release_channel(sdata);
1201 return err;
1202}
1203
1204static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1205 struct cfg80211_beacon_data *params)
1206{
1207 struct ieee80211_sub_if_data *sdata;
1208 struct beacon_data *old;
1209 int err;
1210
1211 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1212 sdata_assert_lock(sdata);
1213
1214 /* don't allow changing the beacon while CSA is in place - offset
1215 * of channel switch counter may change
1216 */
1217 if (sdata->vif.csa_active)
1218 return -EBUSY;
1219
1220 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1221 if (!old)
1222 return -ENOENT;
1223
1224 err = ieee80211_assign_beacon(sdata, params, NULL);
1225 if (err < 0)
1226 return err;
1227 ieee80211_bss_info_change_notify(sdata, err);
1228 return 0;
1229}
1230
1231static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1232{
1233 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1234 struct ieee80211_sub_if_data *vlan;
1235 struct ieee80211_local *local = sdata->local;
1236 struct beacon_data *old_beacon;
1237 struct probe_resp *old_probe_resp;
1238 struct fils_discovery_data *old_fils_discovery;
1239 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1240 struct cfg80211_chan_def chandef;
1241
1242 sdata_assert_lock(sdata);
1243
1244 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1245 if (!old_beacon)
1246 return -ENOENT;
1247 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1248 old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery,
1249 sdata);
1250 old_unsol_bcast_probe_resp =
1251 sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp,
1252 sdata);
1253
1254 /* abort any running channel switch */
1255 mutex_lock(&local->mtx);
1256 sdata->vif.csa_active = false;
1257 if (sdata->csa_block_tx) {
1258 ieee80211_wake_vif_queues(local, sdata,
1259 IEEE80211_QUEUE_STOP_REASON_CSA);
1260 sdata->csa_block_tx = false;
1261 }
1262
1263 mutex_unlock(&local->mtx);
1264
1265 kfree(sdata->u.ap.next_beacon);
1266 sdata->u.ap.next_beacon = NULL;
1267
1268 /* turn off carrier for this interface and dependent VLANs */
1269 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1270 netif_carrier_off(vlan->dev);
1271 netif_carrier_off(dev);
1272
1273 /* remove beacon and probe response */
1274 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1275 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1276 RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL);
1277 RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL);
1278 kfree_rcu(old_beacon, rcu_head);
1279 if (old_probe_resp)
1280 kfree_rcu(old_probe_resp, rcu_head);
1281 if (old_fils_discovery)
1282 kfree_rcu(old_fils_discovery, rcu_head);
1283 if (old_unsol_bcast_probe_resp)
1284 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1285
1286 kfree(sdata->vif.bss_conf.ftmr_params);
1287 sdata->vif.bss_conf.ftmr_params = NULL;
1288
1289 __sta_info_flush(sdata, true);
1290 ieee80211_free_keys(sdata, true);
1291
1292 sdata->vif.bss_conf.enable_beacon = false;
1293 sdata->beacon_rate_set = false;
1294 sdata->vif.bss_conf.ssid_len = 0;
1295 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1296 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1297
1298 if (sdata->wdev.cac_started) {
1299 chandef = sdata->vif.bss_conf.chandef;
1300 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1301 cfg80211_cac_event(sdata->dev, &chandef,
1302 NL80211_RADAR_CAC_ABORTED,
1303 GFP_KERNEL);
1304 }
1305
1306 drv_stop_ap(sdata->local, sdata);
1307
1308 /* free all potentially still buffered bcast frames */
1309 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1310 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1311
1312 mutex_lock(&local->mtx);
1313 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1314 ieee80211_vif_release_channel(sdata);
1315 mutex_unlock(&local->mtx);
1316
1317 return 0;
1318}
1319
1320static int sta_apply_auth_flags(struct ieee80211_local *local,
1321 struct sta_info *sta,
1322 u32 mask, u32 set)
1323{
1324 int ret;
1325
1326 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1327 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1328 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1329 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1330 if (ret)
1331 return ret;
1332 }
1333
1334 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1335 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1336 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1337 /*
1338 * When peer becomes associated, init rate control as
1339 * well. Some drivers require rate control initialized
1340 * before drv_sta_state() is called.
1341 */
1342 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1343 rate_control_rate_init(sta);
1344
1345 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1346 if (ret)
1347 return ret;
1348 }
1349
1350 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1351 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1352 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1353 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1354 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1355 else
1356 ret = 0;
1357 if (ret)
1358 return ret;
1359 }
1360
1361 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1362 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1363 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1364 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1365 if (ret)
1366 return ret;
1367 }
1368
1369 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1370 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1371 test_sta_flag(sta, WLAN_STA_AUTH)) {
1372 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1373 if (ret)
1374 return ret;
1375 }
1376
1377 return 0;
1378}
1379
1380static void sta_apply_mesh_params(struct ieee80211_local *local,
1381 struct sta_info *sta,
1382 struct station_parameters *params)
1383{
1384#ifdef CONFIG_MAC80211_MESH
1385 struct ieee80211_sub_if_data *sdata = sta->sdata;
1386 u32 changed = 0;
1387
1388 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1389 switch (params->plink_state) {
1390 case NL80211_PLINK_ESTAB:
1391 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1392 changed = mesh_plink_inc_estab_count(sdata);
1393 sta->mesh->plink_state = params->plink_state;
1394 sta->mesh->aid = params->peer_aid;
1395
1396 ieee80211_mps_sta_status_update(sta);
1397 changed |= ieee80211_mps_set_sta_local_pm(sta,
1398 sdata->u.mesh.mshcfg.power_mode);
1399
1400 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1401 /* init at low value */
1402 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1403
1404 break;
1405 case NL80211_PLINK_LISTEN:
1406 case NL80211_PLINK_BLOCKED:
1407 case NL80211_PLINK_OPN_SNT:
1408 case NL80211_PLINK_OPN_RCVD:
1409 case NL80211_PLINK_CNF_RCVD:
1410 case NL80211_PLINK_HOLDING:
1411 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1412 changed = mesh_plink_dec_estab_count(sdata);
1413 sta->mesh->plink_state = params->plink_state;
1414
1415 ieee80211_mps_sta_status_update(sta);
1416 changed |= ieee80211_mps_set_sta_local_pm(sta,
1417 NL80211_MESH_POWER_UNKNOWN);
1418 break;
1419 default:
1420 /* nothing */
1421 break;
1422 }
1423 }
1424
1425 switch (params->plink_action) {
1426 case NL80211_PLINK_ACTION_NO_ACTION:
1427 /* nothing */
1428 break;
1429 case NL80211_PLINK_ACTION_OPEN:
1430 changed |= mesh_plink_open(sta);
1431 break;
1432 case NL80211_PLINK_ACTION_BLOCK:
1433 changed |= mesh_plink_block(sta);
1434 break;
1435 }
1436
1437 if (params->local_pm)
1438 changed |= ieee80211_mps_set_sta_local_pm(sta,
1439 params->local_pm);
1440
1441 ieee80211_mbss_info_change_notify(sdata, changed);
1442#endif
1443}
1444
1445static int sta_apply_parameters(struct ieee80211_local *local,
1446 struct sta_info *sta,
1447 struct station_parameters *params)
1448{
1449 int ret = 0;
1450 struct ieee80211_supported_band *sband;
1451 struct ieee80211_sub_if_data *sdata = sta->sdata;
1452 u32 mask, set;
1453
1454 sband = ieee80211_get_sband(sdata);
1455 if (!sband)
1456 return -EINVAL;
1457
1458 mask = params->sta_flags_mask;
1459 set = params->sta_flags_set;
1460
1461 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1462 /*
1463 * In mesh mode, ASSOCIATED isn't part of the nl80211
1464 * API but must follow AUTHENTICATED for driver state.
1465 */
1466 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1467 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1468 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1469 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1470 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1471 /*
1472 * TDLS -- everything follows authorized, but
1473 * only becoming authorized is possible, not
1474 * going back
1475 */
1476 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1477 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1478 BIT(NL80211_STA_FLAG_ASSOCIATED);
1479 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1480 BIT(NL80211_STA_FLAG_ASSOCIATED);
1481 }
1482 }
1483
1484 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1485 local->hw.queues >= IEEE80211_NUM_ACS)
1486 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1487
1488 /* auth flags will be set later for TDLS,
1489 * and for unassociated stations that move to associated */
1490 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1491 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1492 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1493 ret = sta_apply_auth_flags(local, sta, mask, set);
1494 if (ret)
1495 return ret;
1496 }
1497
1498 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1499 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1500 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1501 else
1502 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1503 }
1504
1505 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1506 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1507 if (set & BIT(NL80211_STA_FLAG_MFP))
1508 set_sta_flag(sta, WLAN_STA_MFP);
1509 else
1510 clear_sta_flag(sta, WLAN_STA_MFP);
1511 }
1512
1513 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1514 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1515 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1516 else
1517 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1518 }
1519
1520 /* mark TDLS channel switch support, if the AP allows it */
1521 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1522 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1523 params->ext_capab_len >= 4 &&
1524 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1525 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1526
1527 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1528 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1529 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1530 params->ext_capab_len >= 8 &&
1531 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1532 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1533
1534 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1535 sta->sta.uapsd_queues = params->uapsd_queues;
1536 sta->sta.max_sp = params->max_sp;
1537 }
1538
1539 /* The sender might not have sent the last bit, consider it to be 0 */
1540 if (params->ext_capab_len >= 8) {
1541 u8 val = (params->ext_capab[7] &
1542 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1543
1544 /* we did get all the bits, take the MSB as well */
1545 if (params->ext_capab_len >= 9) {
1546 u8 val_msb = params->ext_capab[8] &
1547 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1548 val_msb <<= 1;
1549 val |= val_msb;
1550 }
1551
1552 switch (val) {
1553 case 1:
1554 sta->sta.max_amsdu_subframes = 32;
1555 break;
1556 case 2:
1557 sta->sta.max_amsdu_subframes = 16;
1558 break;
1559 case 3:
1560 sta->sta.max_amsdu_subframes = 8;
1561 break;
1562 default:
1563 sta->sta.max_amsdu_subframes = 0;
1564 }
1565 }
1566
1567 /*
1568 * cfg80211 validates this (1-2007) and allows setting the AID
1569 * only when creating a new station entry
1570 */
1571 if (params->aid)
1572 sta->sta.aid = params->aid;
1573
1574 /*
1575 * Some of the following updates would be racy if called on an
1576 * existing station, via ieee80211_change_station(). However,
1577 * all such changes are rejected by cfg80211 except for updates
1578 * changing the supported rates on an existing but not yet used
1579 * TDLS peer.
1580 */
1581
1582 if (params->listen_interval >= 0)
1583 sta->listen_interval = params->listen_interval;
1584
1585 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1586 sta->sta.txpwr.type = params->txpwr.type;
1587 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1588 sta->sta.txpwr.power = params->txpwr.power;
1589 ret = drv_sta_set_txpwr(local, sdata, sta);
1590 if (ret)
1591 return ret;
1592 }
1593
1594 if (params->supported_rates && params->supported_rates_len) {
1595 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1596 sband, params->supported_rates,
1597 params->supported_rates_len,
1598 &sta->sta.supp_rates[sband->band]);
1599 }
1600
1601 if (params->ht_capa)
1602 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1603 params->ht_capa, sta);
1604
1605 /* VHT can override some HT caps such as the A-MSDU max length */
1606 if (params->vht_capa)
1607 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1608 params->vht_capa, sta);
1609
1610 if (params->he_capa)
1611 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1612 (void *)params->he_capa,
1613 params->he_capa_len,
1614 (void *)params->he_6ghz_capa,
1615 sta);
1616
1617 if (params->opmode_notif_used) {
1618 /* returned value is only needed for rc update, but the
1619 * rc isn't initialized here yet, so ignore it
1620 */
1621 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1622 sband->band);
1623 }
1624
1625 if (params->support_p2p_ps >= 0)
1626 sta->sta.support_p2p_ps = params->support_p2p_ps;
1627
1628 if (ieee80211_vif_is_mesh(&sdata->vif))
1629 sta_apply_mesh_params(local, sta, params);
1630
1631 if (params->airtime_weight)
1632 sta->airtime_weight = params->airtime_weight;
1633
1634 /* set the STA state after all sta info from usermode has been set */
1635 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1636 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1637 ret = sta_apply_auth_flags(local, sta, mask, set);
1638 if (ret)
1639 return ret;
1640 }
1641
1642 return 0;
1643}
1644
1645static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1646 const u8 *mac,
1647 struct station_parameters *params)
1648{
1649 struct ieee80211_local *local = wiphy_priv(wiphy);
1650 struct sta_info *sta;
1651 struct ieee80211_sub_if_data *sdata;
1652 int err;
1653
1654 if (params->vlan) {
1655 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1656
1657 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1658 sdata->vif.type != NL80211_IFTYPE_AP)
1659 return -EINVAL;
1660 } else
1661 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1662
1663 if (ether_addr_equal(mac, sdata->vif.addr))
1664 return -EINVAL;
1665
1666 if (!is_valid_ether_addr(mac))
1667 return -EINVAL;
1668
1669 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1670 sdata->vif.type == NL80211_IFTYPE_STATION &&
1671 !sdata->u.mgd.associated)
1672 return -EINVAL;
1673
1674 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1675 if (!sta)
1676 return -ENOMEM;
1677
1678 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1679 sta->sta.tdls = true;
1680
1681 err = sta_apply_parameters(local, sta, params);
1682 if (err) {
1683 sta_info_free(local, sta);
1684 return err;
1685 }
1686
1687 /*
1688 * for TDLS and for unassociated station, rate control should be
1689 * initialized only when rates are known and station is marked
1690 * authorized/associated
1691 */
1692 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1693 test_sta_flag(sta, WLAN_STA_ASSOC))
1694 rate_control_rate_init(sta);
1695
1696 err = sta_info_insert_rcu(sta);
1697 if (err) {
1698 rcu_read_unlock();
1699 return err;
1700 }
1701
1702 rcu_read_unlock();
1703
1704 return 0;
1705}
1706
1707static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1708 struct station_del_parameters *params)
1709{
1710 struct ieee80211_sub_if_data *sdata;
1711
1712 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1713
1714 if (params->mac)
1715 return sta_info_destroy_addr_bss(sdata, params->mac);
1716
1717 sta_info_flush(sdata);
1718 return 0;
1719}
1720
1721static int ieee80211_change_station(struct wiphy *wiphy,
1722 struct net_device *dev, const u8 *mac,
1723 struct station_parameters *params)
1724{
1725 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1726 struct ieee80211_local *local = wiphy_priv(wiphy);
1727 struct sta_info *sta;
1728 struct ieee80211_sub_if_data *vlansdata;
1729 enum cfg80211_station_type statype;
1730 int err;
1731
1732 mutex_lock(&local->sta_mtx);
1733
1734 sta = sta_info_get_bss(sdata, mac);
1735 if (!sta) {
1736 err = -ENOENT;
1737 goto out_err;
1738 }
1739
1740 switch (sdata->vif.type) {
1741 case NL80211_IFTYPE_MESH_POINT:
1742 if (sdata->u.mesh.user_mpm)
1743 statype = CFG80211_STA_MESH_PEER_USER;
1744 else
1745 statype = CFG80211_STA_MESH_PEER_KERNEL;
1746 break;
1747 case NL80211_IFTYPE_ADHOC:
1748 statype = CFG80211_STA_IBSS;
1749 break;
1750 case NL80211_IFTYPE_STATION:
1751 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1752 statype = CFG80211_STA_AP_STA;
1753 break;
1754 }
1755 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1756 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1757 else
1758 statype = CFG80211_STA_TDLS_PEER_SETUP;
1759 break;
1760 case NL80211_IFTYPE_AP:
1761 case NL80211_IFTYPE_AP_VLAN:
1762 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1763 statype = CFG80211_STA_AP_CLIENT;
1764 else
1765 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1766 break;
1767 default:
1768 err = -EOPNOTSUPP;
1769 goto out_err;
1770 }
1771
1772 err = cfg80211_check_station_change(wiphy, params, statype);
1773 if (err)
1774 goto out_err;
1775
1776 if (params->vlan && params->vlan != sta->sdata->dev) {
1777 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1778
1779 if (params->vlan->ieee80211_ptr->use_4addr) {
1780 if (vlansdata->u.vlan.sta) {
1781 err = -EBUSY;
1782 goto out_err;
1783 }
1784
1785 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1786 __ieee80211_check_fast_rx_iface(vlansdata);
1787 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1788 }
1789
1790 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1791 sta->sdata->u.vlan.sta) {
1792 ieee80211_clear_fast_rx(sta);
1793 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1794 }
1795
1796 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1797 ieee80211_vif_dec_num_mcast(sta->sdata);
1798
1799 sta->sdata = vlansdata;
1800 ieee80211_check_fast_xmit(sta);
1801
1802 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1803 ieee80211_vif_inc_num_mcast(sta->sdata);
1804 cfg80211_send_layer2_update(sta->sdata->dev,
1805 sta->sta.addr);
1806 }
1807 }
1808
1809 err = sta_apply_parameters(local, sta, params);
1810 if (err)
1811 goto out_err;
1812
1813 mutex_unlock(&local->sta_mtx);
1814
1815 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1816 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1817 ieee80211_recalc_ps(local);
1818 ieee80211_recalc_ps_vif(sdata);
1819 }
1820
1821 return 0;
1822out_err:
1823 mutex_unlock(&local->sta_mtx);
1824 return err;
1825}
1826
1827#ifdef CONFIG_MAC80211_MESH
1828static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1829 const u8 *dst, const u8 *next_hop)
1830{
1831 struct ieee80211_sub_if_data *sdata;
1832 struct mesh_path *mpath;
1833 struct sta_info *sta;
1834
1835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1836
1837 rcu_read_lock();
1838 sta = sta_info_get(sdata, next_hop);
1839 if (!sta) {
1840 rcu_read_unlock();
1841 return -ENOENT;
1842 }
1843
1844 mpath = mesh_path_add(sdata, dst);
1845 if (IS_ERR(mpath)) {
1846 rcu_read_unlock();
1847 return PTR_ERR(mpath);
1848 }
1849
1850 mesh_path_fix_nexthop(mpath, sta);
1851
1852 rcu_read_unlock();
1853 return 0;
1854}
1855
1856static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1857 const u8 *dst)
1858{
1859 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1860
1861 if (dst)
1862 return mesh_path_del(sdata, dst);
1863
1864 mesh_path_flush_by_iface(sdata);
1865 return 0;
1866}
1867
1868static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1869 const u8 *dst, const u8 *next_hop)
1870{
1871 struct ieee80211_sub_if_data *sdata;
1872 struct mesh_path *mpath;
1873 struct sta_info *sta;
1874
1875 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1876
1877 rcu_read_lock();
1878
1879 sta = sta_info_get(sdata, next_hop);
1880 if (!sta) {
1881 rcu_read_unlock();
1882 return -ENOENT;
1883 }
1884
1885 mpath = mesh_path_lookup(sdata, dst);
1886 if (!mpath) {
1887 rcu_read_unlock();
1888 return -ENOENT;
1889 }
1890
1891 mesh_path_fix_nexthop(mpath, sta);
1892
1893 rcu_read_unlock();
1894 return 0;
1895}
1896
1897static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1898 struct mpath_info *pinfo)
1899{
1900 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1901
1902 if (next_hop_sta)
1903 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1904 else
1905 eth_zero_addr(next_hop);
1906
1907 memset(pinfo, 0, sizeof(*pinfo));
1908
1909 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1910
1911 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1912 MPATH_INFO_SN |
1913 MPATH_INFO_METRIC |
1914 MPATH_INFO_EXPTIME |
1915 MPATH_INFO_DISCOVERY_TIMEOUT |
1916 MPATH_INFO_DISCOVERY_RETRIES |
1917 MPATH_INFO_FLAGS |
1918 MPATH_INFO_HOP_COUNT |
1919 MPATH_INFO_PATH_CHANGE;
1920
1921 pinfo->frame_qlen = mpath->frame_queue.qlen;
1922 pinfo->sn = mpath->sn;
1923 pinfo->metric = mpath->metric;
1924 if (time_before(jiffies, mpath->exp_time))
1925 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1926 pinfo->discovery_timeout =
1927 jiffies_to_msecs(mpath->discovery_timeout);
1928 pinfo->discovery_retries = mpath->discovery_retries;
1929 if (mpath->flags & MESH_PATH_ACTIVE)
1930 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1931 if (mpath->flags & MESH_PATH_RESOLVING)
1932 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1933 if (mpath->flags & MESH_PATH_SN_VALID)
1934 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1935 if (mpath->flags & MESH_PATH_FIXED)
1936 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1937 if (mpath->flags & MESH_PATH_RESOLVED)
1938 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1939 pinfo->hop_count = mpath->hop_count;
1940 pinfo->path_change_count = mpath->path_change_count;
1941}
1942
1943static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1944 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1945
1946{
1947 struct ieee80211_sub_if_data *sdata;
1948 struct mesh_path *mpath;
1949
1950 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1951
1952 rcu_read_lock();
1953 mpath = mesh_path_lookup(sdata, dst);
1954 if (!mpath) {
1955 rcu_read_unlock();
1956 return -ENOENT;
1957 }
1958 memcpy(dst, mpath->dst, ETH_ALEN);
1959 mpath_set_pinfo(mpath, next_hop, pinfo);
1960 rcu_read_unlock();
1961 return 0;
1962}
1963
1964static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1965 int idx, u8 *dst, u8 *next_hop,
1966 struct mpath_info *pinfo)
1967{
1968 struct ieee80211_sub_if_data *sdata;
1969 struct mesh_path *mpath;
1970
1971 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1972
1973 rcu_read_lock();
1974 mpath = mesh_path_lookup_by_idx(sdata, idx);
1975 if (!mpath) {
1976 rcu_read_unlock();
1977 return -ENOENT;
1978 }
1979 memcpy(dst, mpath->dst, ETH_ALEN);
1980 mpath_set_pinfo(mpath, next_hop, pinfo);
1981 rcu_read_unlock();
1982 return 0;
1983}
1984
1985static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1986 struct mpath_info *pinfo)
1987{
1988 memset(pinfo, 0, sizeof(*pinfo));
1989 memcpy(mpp, mpath->mpp, ETH_ALEN);
1990
1991 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1992}
1993
1994static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1995 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1996
1997{
1998 struct ieee80211_sub_if_data *sdata;
1999 struct mesh_path *mpath;
2000
2001 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2002
2003 rcu_read_lock();
2004 mpath = mpp_path_lookup(sdata, dst);
2005 if (!mpath) {
2006 rcu_read_unlock();
2007 return -ENOENT;
2008 }
2009 memcpy(dst, mpath->dst, ETH_ALEN);
2010 mpp_set_pinfo(mpath, mpp, pinfo);
2011 rcu_read_unlock();
2012 return 0;
2013}
2014
2015static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2016 int idx, u8 *dst, u8 *mpp,
2017 struct mpath_info *pinfo)
2018{
2019 struct ieee80211_sub_if_data *sdata;
2020 struct mesh_path *mpath;
2021
2022 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2023
2024 rcu_read_lock();
2025 mpath = mpp_path_lookup_by_idx(sdata, idx);
2026 if (!mpath) {
2027 rcu_read_unlock();
2028 return -ENOENT;
2029 }
2030 memcpy(dst, mpath->dst, ETH_ALEN);
2031 mpp_set_pinfo(mpath, mpp, pinfo);
2032 rcu_read_unlock();
2033 return 0;
2034}
2035
2036static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2037 struct net_device *dev,
2038 struct mesh_config *conf)
2039{
2040 struct ieee80211_sub_if_data *sdata;
2041 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2042
2043 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2044 return 0;
2045}
2046
2047static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2048{
2049 return (mask >> (parm-1)) & 0x1;
2050}
2051
2052static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2053 const struct mesh_setup *setup)
2054{
2055 u8 *new_ie;
2056 const u8 *old_ie;
2057 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2058 struct ieee80211_sub_if_data, u.mesh);
2059 int i;
2060
2061 /* allocate information elements */
2062 new_ie = NULL;
2063 old_ie = ifmsh->ie;
2064
2065 if (setup->ie_len) {
2066 new_ie = kmemdup(setup->ie, setup->ie_len,
2067 GFP_KERNEL);
2068 if (!new_ie)
2069 return -ENOMEM;
2070 }
2071 ifmsh->ie_len = setup->ie_len;
2072 ifmsh->ie = new_ie;
2073 kfree(old_ie);
2074
2075 /* now copy the rest of the setup parameters */
2076 ifmsh->mesh_id_len = setup->mesh_id_len;
2077 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2078 ifmsh->mesh_sp_id = setup->sync_method;
2079 ifmsh->mesh_pp_id = setup->path_sel_proto;
2080 ifmsh->mesh_pm_id = setup->path_metric;
2081 ifmsh->user_mpm = setup->user_mpm;
2082 ifmsh->mesh_auth_id = setup->auth_id;
2083 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2084 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2085 if (setup->is_authenticated)
2086 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2087 if (setup->is_secure)
2088 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2089
2090 /* mcast rate setting in Mesh Node */
2091 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2092 sizeof(setup->mcast_rate));
2093 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2094
2095 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2096 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2097
2098 sdata->beacon_rate_set = false;
2099 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2100 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2101 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2102 sdata->beacon_rateidx_mask[i] =
2103 setup->beacon_rate.control[i].legacy;
2104 if (sdata->beacon_rateidx_mask[i])
2105 sdata->beacon_rate_set = true;
2106 }
2107 }
2108
2109 return 0;
2110}
2111
2112static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2113 struct net_device *dev, u32 mask,
2114 const struct mesh_config *nconf)
2115{
2116 struct mesh_config *conf;
2117 struct ieee80211_sub_if_data *sdata;
2118 struct ieee80211_if_mesh *ifmsh;
2119
2120 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2121 ifmsh = &sdata->u.mesh;
2122
2123 /* Set the config options which we are interested in setting */
2124 conf = &(sdata->u.mesh.mshcfg);
2125 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2126 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2127 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2128 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2129 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2130 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2131 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2132 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2133 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2134 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2135 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2136 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2137 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2138 conf->element_ttl = nconf->element_ttl;
2139 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2140 if (ifmsh->user_mpm)
2141 return -EBUSY;
2142 conf->auto_open_plinks = nconf->auto_open_plinks;
2143 }
2144 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2145 conf->dot11MeshNbrOffsetMaxNeighbor =
2146 nconf->dot11MeshNbrOffsetMaxNeighbor;
2147 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2148 conf->dot11MeshHWMPmaxPREQretries =
2149 nconf->dot11MeshHWMPmaxPREQretries;
2150 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2151 conf->path_refresh_time = nconf->path_refresh_time;
2152 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2153 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2154 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2155 conf->dot11MeshHWMPactivePathTimeout =
2156 nconf->dot11MeshHWMPactivePathTimeout;
2157 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2158 conf->dot11MeshHWMPpreqMinInterval =
2159 nconf->dot11MeshHWMPpreqMinInterval;
2160 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2161 conf->dot11MeshHWMPperrMinInterval =
2162 nconf->dot11MeshHWMPperrMinInterval;
2163 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2164 mask))
2165 conf->dot11MeshHWMPnetDiameterTraversalTime =
2166 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2167 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2168 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2169 ieee80211_mesh_root_setup(ifmsh);
2170 }
2171 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2172 /* our current gate announcement implementation rides on root
2173 * announcements, so require this ifmsh to also be a root node
2174 * */
2175 if (nconf->dot11MeshGateAnnouncementProtocol &&
2176 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2177 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2178 ieee80211_mesh_root_setup(ifmsh);
2179 }
2180 conf->dot11MeshGateAnnouncementProtocol =
2181 nconf->dot11MeshGateAnnouncementProtocol;
2182 }
2183 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2184 conf->dot11MeshHWMPRannInterval =
2185 nconf->dot11MeshHWMPRannInterval;
2186 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2187 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2188 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2189 /* our RSSI threshold implementation is supported only for
2190 * devices that report signal in dBm.
2191 */
2192 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2193 return -ENOTSUPP;
2194 conf->rssi_threshold = nconf->rssi_threshold;
2195 }
2196 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2197 conf->ht_opmode = nconf->ht_opmode;
2198 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2199 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2200 }
2201 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2202 conf->dot11MeshHWMPactivePathToRootTimeout =
2203 nconf->dot11MeshHWMPactivePathToRootTimeout;
2204 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2205 conf->dot11MeshHWMProotInterval =
2206 nconf->dot11MeshHWMProotInterval;
2207 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2208 conf->dot11MeshHWMPconfirmationInterval =
2209 nconf->dot11MeshHWMPconfirmationInterval;
2210 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2211 conf->power_mode = nconf->power_mode;
2212 ieee80211_mps_local_status_update(sdata);
2213 }
2214 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2215 conf->dot11MeshAwakeWindowDuration =
2216 nconf->dot11MeshAwakeWindowDuration;
2217 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2218 conf->plink_timeout = nconf->plink_timeout;
2219 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2220 conf->dot11MeshConnectedToMeshGate =
2221 nconf->dot11MeshConnectedToMeshGate;
2222 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2223 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2224 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2225 conf->dot11MeshConnectedToAuthServer =
2226 nconf->dot11MeshConnectedToAuthServer;
2227 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2228 return 0;
2229}
2230
2231static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2232 const struct mesh_config *conf,
2233 const struct mesh_setup *setup)
2234{
2235 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2236 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2237 int err;
2238
2239 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2240 err = copy_mesh_setup(ifmsh, setup);
2241 if (err)
2242 return err;
2243
2244 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2245
2246 /* can mesh use other SMPS modes? */
2247 sdata->smps_mode = IEEE80211_SMPS_OFF;
2248 sdata->needed_rx_chains = sdata->local->rx_chains;
2249
2250 mutex_lock(&sdata->local->mtx);
2251 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2252 IEEE80211_CHANCTX_SHARED);
2253 mutex_unlock(&sdata->local->mtx);
2254 if (err)
2255 return err;
2256
2257 return ieee80211_start_mesh(sdata);
2258}
2259
2260static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2261{
2262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2263
2264 ieee80211_stop_mesh(sdata);
2265 mutex_lock(&sdata->local->mtx);
2266 ieee80211_vif_release_channel(sdata);
2267 kfree(sdata->u.mesh.ie);
2268 mutex_unlock(&sdata->local->mtx);
2269
2270 return 0;
2271}
2272#endif
2273
2274static int ieee80211_change_bss(struct wiphy *wiphy,
2275 struct net_device *dev,
2276 struct bss_parameters *params)
2277{
2278 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2279 struct ieee80211_supported_band *sband;
2280 u32 changed = 0;
2281
2282 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2283 return -ENOENT;
2284
2285 sband = ieee80211_get_sband(sdata);
2286 if (!sband)
2287 return -EINVAL;
2288
2289 if (params->use_cts_prot >= 0) {
2290 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2291 changed |= BSS_CHANGED_ERP_CTS_PROT;
2292 }
2293 if (params->use_short_preamble >= 0) {
2294 sdata->vif.bss_conf.use_short_preamble =
2295 params->use_short_preamble;
2296 changed |= BSS_CHANGED_ERP_PREAMBLE;
2297 }
2298
2299 if (!sdata->vif.bss_conf.use_short_slot &&
2300 (sband->band == NL80211_BAND_5GHZ ||
2301 sband->band == NL80211_BAND_6GHZ)) {
2302 sdata->vif.bss_conf.use_short_slot = true;
2303 changed |= BSS_CHANGED_ERP_SLOT;
2304 }
2305
2306 if (params->use_short_slot_time >= 0) {
2307 sdata->vif.bss_conf.use_short_slot =
2308 params->use_short_slot_time;
2309 changed |= BSS_CHANGED_ERP_SLOT;
2310 }
2311
2312 if (params->basic_rates) {
2313 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2314 wiphy->bands[sband->band],
2315 params->basic_rates,
2316 params->basic_rates_len,
2317 &sdata->vif.bss_conf.basic_rates);
2318 changed |= BSS_CHANGED_BASIC_RATES;
2319 ieee80211_check_rate_mask(sdata);
2320 }
2321
2322 if (params->ap_isolate >= 0) {
2323 if (params->ap_isolate)
2324 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2325 else
2326 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2327 ieee80211_check_fast_rx_iface(sdata);
2328 }
2329
2330 if (params->ht_opmode >= 0) {
2331 sdata->vif.bss_conf.ht_operation_mode =
2332 (u16) params->ht_opmode;
2333 changed |= BSS_CHANGED_HT;
2334 }
2335
2336 if (params->p2p_ctwindow >= 0) {
2337 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2338 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2339 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2340 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2341 changed |= BSS_CHANGED_P2P_PS;
2342 }
2343
2344 if (params->p2p_opp_ps > 0) {
2345 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2346 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2347 changed |= BSS_CHANGED_P2P_PS;
2348 } else if (params->p2p_opp_ps == 0) {
2349 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2350 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2351 changed |= BSS_CHANGED_P2P_PS;
2352 }
2353
2354 ieee80211_bss_info_change_notify(sdata, changed);
2355
2356 return 0;
2357}
2358
2359static int ieee80211_set_txq_params(struct wiphy *wiphy,
2360 struct net_device *dev,
2361 struct ieee80211_txq_params *params)
2362{
2363 struct ieee80211_local *local = wiphy_priv(wiphy);
2364 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2365 struct ieee80211_tx_queue_params p;
2366
2367 if (!local->ops->conf_tx)
2368 return -EOPNOTSUPP;
2369
2370 if (local->hw.queues < IEEE80211_NUM_ACS)
2371 return -EOPNOTSUPP;
2372
2373 memset(&p, 0, sizeof(p));
2374 p.aifs = params->aifs;
2375 p.cw_max = params->cwmax;
2376 p.cw_min = params->cwmin;
2377 p.txop = params->txop;
2378
2379 /*
2380 * Setting tx queue params disables u-apsd because it's only
2381 * called in master mode.
2382 */
2383 p.uapsd = false;
2384
2385 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2386
2387 sdata->tx_conf[params->ac] = p;
2388 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2389 wiphy_debug(local->hw.wiphy,
2390 "failed to set TX queue parameters for AC %d\n",
2391 params->ac);
2392 return -EINVAL;
2393 }
2394
2395 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2396
2397 return 0;
2398}
2399
2400#ifdef CONFIG_PM
2401static int ieee80211_suspend(struct wiphy *wiphy,
2402 struct cfg80211_wowlan *wowlan)
2403{
2404 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2405}
2406
2407static int ieee80211_resume(struct wiphy *wiphy)
2408{
2409 return __ieee80211_resume(wiphy_priv(wiphy));
2410}
2411#else
2412#define ieee80211_suspend NULL
2413#define ieee80211_resume NULL
2414#endif
2415
2416static int ieee80211_scan(struct wiphy *wiphy,
2417 struct cfg80211_scan_request *req)
2418{
2419 struct ieee80211_sub_if_data *sdata;
2420
2421 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2422
2423 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2424 case NL80211_IFTYPE_STATION:
2425 case NL80211_IFTYPE_ADHOC:
2426 case NL80211_IFTYPE_MESH_POINT:
2427 case NL80211_IFTYPE_P2P_CLIENT:
2428 case NL80211_IFTYPE_P2P_DEVICE:
2429 break;
2430 case NL80211_IFTYPE_P2P_GO:
2431 if (sdata->local->ops->hw_scan)
2432 break;
2433 /*
2434 * FIXME: implement NoA while scanning in software,
2435 * for now fall through to allow scanning only when
2436 * beaconing hasn't been configured yet
2437 */
2438 fallthrough;
2439 case NL80211_IFTYPE_AP:
2440 /*
2441 * If the scan has been forced (and the driver supports
2442 * forcing), don't care about being beaconing already.
2443 * This will create problems to the attached stations (e.g. all
2444 * the frames sent while scanning on other channel will be
2445 * lost)
2446 */
2447 if (sdata->u.ap.beacon &&
2448 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2449 !(req->flags & NL80211_SCAN_FLAG_AP)))
2450 return -EOPNOTSUPP;
2451 break;
2452 case NL80211_IFTYPE_NAN:
2453 default:
2454 return -EOPNOTSUPP;
2455 }
2456
2457 return ieee80211_request_scan(sdata, req);
2458}
2459
2460static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2461{
2462 ieee80211_scan_cancel(wiphy_priv(wiphy));
2463}
2464
2465static int
2466ieee80211_sched_scan_start(struct wiphy *wiphy,
2467 struct net_device *dev,
2468 struct cfg80211_sched_scan_request *req)
2469{
2470 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2471
2472 if (!sdata->local->ops->sched_scan_start)
2473 return -EOPNOTSUPP;
2474
2475 return ieee80211_request_sched_scan_start(sdata, req);
2476}
2477
2478static int
2479ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2480 u64 reqid)
2481{
2482 struct ieee80211_local *local = wiphy_priv(wiphy);
2483
2484 if (!local->ops->sched_scan_stop)
2485 return -EOPNOTSUPP;
2486
2487 return ieee80211_request_sched_scan_stop(local);
2488}
2489
2490static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2491 struct cfg80211_auth_request *req)
2492{
2493 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2494}
2495
2496static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2497 struct cfg80211_assoc_request *req)
2498{
2499 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2500}
2501
2502static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2503 struct cfg80211_deauth_request *req)
2504{
2505 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2506}
2507
2508static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2509 struct cfg80211_disassoc_request *req)
2510{
2511 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2512}
2513
2514static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2515 struct cfg80211_ibss_params *params)
2516{
2517 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2518}
2519
2520static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2521{
2522 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2523}
2524
2525static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2526 struct ocb_setup *setup)
2527{
2528 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2529}
2530
2531static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2532{
2533 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2534}
2535
2536static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2537 int rate[NUM_NL80211_BANDS])
2538{
2539 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2540
2541 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2542 sizeof(int) * NUM_NL80211_BANDS);
2543
2544 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2545
2546 return 0;
2547}
2548
2549static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2550{
2551 struct ieee80211_local *local = wiphy_priv(wiphy);
2552 int err;
2553
2554 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2555 ieee80211_check_fast_xmit_all(local);
2556
2557 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2558
2559 if (err) {
2560 ieee80211_check_fast_xmit_all(local);
2561 return err;
2562 }
2563 }
2564
2565 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2566 (changed & WIPHY_PARAM_DYN_ACK)) {
2567 s16 coverage_class;
2568
2569 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2570 wiphy->coverage_class : -1;
2571 err = drv_set_coverage_class(local, coverage_class);
2572
2573 if (err)
2574 return err;
2575 }
2576
2577 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2578 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2579
2580 if (err)
2581 return err;
2582 }
2583
2584 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2585 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2586 return -EINVAL;
2587 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2588 }
2589 if (changed & WIPHY_PARAM_RETRY_LONG) {
2590 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2591 return -EINVAL;
2592 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2593 }
2594 if (changed &
2595 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2596 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2597
2598 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2599 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2600 WIPHY_PARAM_TXQ_QUANTUM))
2601 ieee80211_txq_set_params(local);
2602
2603 return 0;
2604}
2605
2606static int ieee80211_set_tx_power(struct wiphy *wiphy,
2607 struct wireless_dev *wdev,
2608 enum nl80211_tx_power_setting type, int mbm)
2609{
2610 struct ieee80211_local *local = wiphy_priv(wiphy);
2611 struct ieee80211_sub_if_data *sdata;
2612 enum nl80211_tx_power_setting txp_type = type;
2613 bool update_txp_type = false;
2614 bool has_monitor = false;
2615
2616 if (wdev) {
2617 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2618
2619 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2620 sdata = rtnl_dereference(local->monitor_sdata);
2621 if (!sdata)
2622 return -EOPNOTSUPP;
2623 }
2624
2625 switch (type) {
2626 case NL80211_TX_POWER_AUTOMATIC:
2627 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2628 txp_type = NL80211_TX_POWER_LIMITED;
2629 break;
2630 case NL80211_TX_POWER_LIMITED:
2631 case NL80211_TX_POWER_FIXED:
2632 if (mbm < 0 || (mbm % 100))
2633 return -EOPNOTSUPP;
2634 sdata->user_power_level = MBM_TO_DBM(mbm);
2635 break;
2636 }
2637
2638 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2639 update_txp_type = true;
2640 sdata->vif.bss_conf.txpower_type = txp_type;
2641 }
2642
2643 ieee80211_recalc_txpower(sdata, update_txp_type);
2644
2645 return 0;
2646 }
2647
2648 switch (type) {
2649 case NL80211_TX_POWER_AUTOMATIC:
2650 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2651 txp_type = NL80211_TX_POWER_LIMITED;
2652 break;
2653 case NL80211_TX_POWER_LIMITED:
2654 case NL80211_TX_POWER_FIXED:
2655 if (mbm < 0 || (mbm % 100))
2656 return -EOPNOTSUPP;
2657 local->user_power_level = MBM_TO_DBM(mbm);
2658 break;
2659 }
2660
2661 mutex_lock(&local->iflist_mtx);
2662 list_for_each_entry(sdata, &local->interfaces, list) {
2663 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2664 has_monitor = true;
2665 continue;
2666 }
2667 sdata->user_power_level = local->user_power_level;
2668 if (txp_type != sdata->vif.bss_conf.txpower_type)
2669 update_txp_type = true;
2670 sdata->vif.bss_conf.txpower_type = txp_type;
2671 }
2672 list_for_each_entry(sdata, &local->interfaces, list) {
2673 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2674 continue;
2675 ieee80211_recalc_txpower(sdata, update_txp_type);
2676 }
2677 mutex_unlock(&local->iflist_mtx);
2678
2679 if (has_monitor) {
2680 sdata = rtnl_dereference(local->monitor_sdata);
2681 if (sdata) {
2682 sdata->user_power_level = local->user_power_level;
2683 if (txp_type != sdata->vif.bss_conf.txpower_type)
2684 update_txp_type = true;
2685 sdata->vif.bss_conf.txpower_type = txp_type;
2686
2687 ieee80211_recalc_txpower(sdata, update_txp_type);
2688 }
2689 }
2690
2691 return 0;
2692}
2693
2694static int ieee80211_get_tx_power(struct wiphy *wiphy,
2695 struct wireless_dev *wdev,
2696 int *dbm)
2697{
2698 struct ieee80211_local *local = wiphy_priv(wiphy);
2699 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2700
2701 if (local->ops->get_txpower)
2702 return drv_get_txpower(local, sdata, dbm);
2703
2704 if (!local->use_chanctx)
2705 *dbm = local->hw.conf.power_level;
2706 else
2707 *dbm = sdata->vif.bss_conf.txpower;
2708
2709 return 0;
2710}
2711
2712static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2713{
2714 struct ieee80211_local *local = wiphy_priv(wiphy);
2715
2716 drv_rfkill_poll(local);
2717}
2718
2719#ifdef CONFIG_NL80211_TESTMODE
2720static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2721 struct wireless_dev *wdev,
2722 void *data, int len)
2723{
2724 struct ieee80211_local *local = wiphy_priv(wiphy);
2725 struct ieee80211_vif *vif = NULL;
2726
2727 if (!local->ops->testmode_cmd)
2728 return -EOPNOTSUPP;
2729
2730 if (wdev) {
2731 struct ieee80211_sub_if_data *sdata;
2732
2733 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2734 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2735 vif = &sdata->vif;
2736 }
2737
2738 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2739}
2740
2741static int ieee80211_testmode_dump(struct wiphy *wiphy,
2742 struct sk_buff *skb,
2743 struct netlink_callback *cb,
2744 void *data, int len)
2745{
2746 struct ieee80211_local *local = wiphy_priv(wiphy);
2747
2748 if (!local->ops->testmode_dump)
2749 return -EOPNOTSUPP;
2750
2751 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2752}
2753#endif
2754
2755int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2756 enum ieee80211_smps_mode smps_mode)
2757{
2758 const u8 *ap;
2759 enum ieee80211_smps_mode old_req;
2760 int err;
2761 struct sta_info *sta;
2762 bool tdls_peer_found = false;
2763
2764 lockdep_assert_held(&sdata->wdev.mtx);
2765
2766 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2767 return -EINVAL;
2768
2769 old_req = sdata->u.mgd.req_smps;
2770 sdata->u.mgd.req_smps = smps_mode;
2771
2772 if (old_req == smps_mode &&
2773 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2774 return 0;
2775
2776 /*
2777 * If not associated, or current association is not an HT
2778 * association, there's no need to do anything, just store
2779 * the new value until we associate.
2780 */
2781 if (!sdata->u.mgd.associated ||
2782 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2783 return 0;
2784
2785 ap = sdata->u.mgd.associated->bssid;
2786
2787 rcu_read_lock();
2788 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2789 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2790 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2791 continue;
2792
2793 tdls_peer_found = true;
2794 break;
2795 }
2796 rcu_read_unlock();
2797
2798 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2799 if (tdls_peer_found || !sdata->u.mgd.powersave)
2800 smps_mode = IEEE80211_SMPS_OFF;
2801 else
2802 smps_mode = IEEE80211_SMPS_DYNAMIC;
2803 }
2804
2805 /* send SM PS frame to AP */
2806 err = ieee80211_send_smps_action(sdata, smps_mode,
2807 ap, ap);
2808 if (err)
2809 sdata->u.mgd.req_smps = old_req;
2810 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2811 ieee80211_teardown_tdls_peers(sdata);
2812
2813 return err;
2814}
2815
2816static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2817 bool enabled, int timeout)
2818{
2819 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2820 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2821
2822 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2823 return -EOPNOTSUPP;
2824
2825 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2826 return -EOPNOTSUPP;
2827
2828 if (enabled == sdata->u.mgd.powersave &&
2829 timeout == local->dynamic_ps_forced_timeout)
2830 return 0;
2831
2832 sdata->u.mgd.powersave = enabled;
2833 local->dynamic_ps_forced_timeout = timeout;
2834
2835 /* no change, but if automatic follow powersave */
2836 sdata_lock(sdata);
2837 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2838 sdata_unlock(sdata);
2839
2840 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2841 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2842
2843 ieee80211_recalc_ps(local);
2844 ieee80211_recalc_ps_vif(sdata);
2845 ieee80211_check_fast_rx_iface(sdata);
2846
2847 return 0;
2848}
2849
2850static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2851 struct net_device *dev,
2852 s32 rssi_thold, u32 rssi_hyst)
2853{
2854 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2855 struct ieee80211_vif *vif = &sdata->vif;
2856 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2857
2858 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2859 rssi_hyst == bss_conf->cqm_rssi_hyst)
2860 return 0;
2861
2862 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2863 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2864 return -EOPNOTSUPP;
2865
2866 bss_conf->cqm_rssi_thold = rssi_thold;
2867 bss_conf->cqm_rssi_hyst = rssi_hyst;
2868 bss_conf->cqm_rssi_low = 0;
2869 bss_conf->cqm_rssi_high = 0;
2870 sdata->u.mgd.last_cqm_event_signal = 0;
2871
2872 /* tell the driver upon association, unless already associated */
2873 if (sdata->u.mgd.associated &&
2874 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2875 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2876
2877 return 0;
2878}
2879
2880static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2881 struct net_device *dev,
2882 s32 rssi_low, s32 rssi_high)
2883{
2884 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2885 struct ieee80211_vif *vif = &sdata->vif;
2886 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2887
2888 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2889 return -EOPNOTSUPP;
2890
2891 bss_conf->cqm_rssi_low = rssi_low;
2892 bss_conf->cqm_rssi_high = rssi_high;
2893 bss_conf->cqm_rssi_thold = 0;
2894 bss_conf->cqm_rssi_hyst = 0;
2895 sdata->u.mgd.last_cqm_event_signal = 0;
2896
2897 /* tell the driver upon association, unless already associated */
2898 if (sdata->u.mgd.associated &&
2899 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2900 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2901
2902 return 0;
2903}
2904
2905static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2906 struct net_device *dev,
2907 const u8 *addr,
2908 const struct cfg80211_bitrate_mask *mask)
2909{
2910 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2911 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2912 int i, ret;
2913
2914 if (!ieee80211_sdata_running(sdata))
2915 return -ENETDOWN;
2916
2917 /*
2918 * If active validate the setting and reject it if it doesn't leave
2919 * at least one basic rate usable, since we really have to be able
2920 * to send something, and if we're an AP we have to be able to do
2921 * so at a basic rate so that all clients can receive it.
2922 */
2923 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2924 sdata->vif.bss_conf.chandef.chan) {
2925 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2926 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2927
2928 if (!(mask->control[band].legacy & basic_rates))
2929 return -EINVAL;
2930 }
2931
2932 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2933 ret = drv_set_bitrate_mask(local, sdata, mask);
2934 if (ret)
2935 return ret;
2936 }
2937
2938 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2939 struct ieee80211_supported_band *sband = wiphy->bands[i];
2940 int j;
2941
2942 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2943 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2944 sizeof(mask->control[i].ht_mcs));
2945 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2946 mask->control[i].vht_mcs,
2947 sizeof(mask->control[i].vht_mcs));
2948
2949 sdata->rc_has_mcs_mask[i] = false;
2950 sdata->rc_has_vht_mcs_mask[i] = false;
2951 if (!sband)
2952 continue;
2953
2954 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2955 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
2956 sdata->rc_has_mcs_mask[i] = true;
2957 break;
2958 }
2959 }
2960
2961 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2962 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
2963 sdata->rc_has_vht_mcs_mask[i] = true;
2964 break;
2965 }
2966 }
2967 }
2968
2969 return 0;
2970}
2971
2972static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2973 struct net_device *dev,
2974 struct cfg80211_chan_def *chandef,
2975 u32 cac_time_ms)
2976{
2977 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2978 struct ieee80211_local *local = sdata->local;
2979 int err;
2980
2981 mutex_lock(&local->mtx);
2982 if (!list_empty(&local->roc_list) || local->scanning) {
2983 err = -EBUSY;
2984 goto out_unlock;
2985 }
2986
2987 /* whatever, but channel contexts should not complain about that one */
2988 sdata->smps_mode = IEEE80211_SMPS_OFF;
2989 sdata->needed_rx_chains = local->rx_chains;
2990
2991 err = ieee80211_vif_use_channel(sdata, chandef,
2992 IEEE80211_CHANCTX_SHARED);
2993 if (err)
2994 goto out_unlock;
2995
2996 ieee80211_queue_delayed_work(&sdata->local->hw,
2997 &sdata->dfs_cac_timer_work,
2998 msecs_to_jiffies(cac_time_ms));
2999
3000 out_unlock:
3001 mutex_unlock(&local->mtx);
3002 return err;
3003}
3004
3005static void ieee80211_end_cac(struct wiphy *wiphy,
3006 struct net_device *dev)
3007{
3008 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3009 struct ieee80211_local *local = sdata->local;
3010
3011 mutex_lock(&local->mtx);
3012 list_for_each_entry(sdata, &local->interfaces, list) {
3013 /* it might be waiting for the local->mtx, but then
3014 * by the time it gets it, sdata->wdev.cac_started
3015 * will no longer be true
3016 */
3017 cancel_delayed_work(&sdata->dfs_cac_timer_work);
3018
3019 if (sdata->wdev.cac_started) {
3020 ieee80211_vif_release_channel(sdata);
3021 sdata->wdev.cac_started = false;
3022 }
3023 }
3024 mutex_unlock(&local->mtx);
3025}
3026
3027static struct cfg80211_beacon_data *
3028cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3029{
3030 struct cfg80211_beacon_data *new_beacon;
3031 u8 *pos;
3032 int len;
3033
3034 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3035 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3036 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3037
3038 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3039 if (!new_beacon)
3040 return NULL;
3041
3042 pos = (u8 *)(new_beacon + 1);
3043 if (beacon->head_len) {
3044 new_beacon->head_len = beacon->head_len;
3045 new_beacon->head = pos;
3046 memcpy(pos, beacon->head, beacon->head_len);
3047 pos += beacon->head_len;
3048 }
3049 if (beacon->tail_len) {
3050 new_beacon->tail_len = beacon->tail_len;
3051 new_beacon->tail = pos;
3052 memcpy(pos, beacon->tail, beacon->tail_len);
3053 pos += beacon->tail_len;
3054 }
3055 if (beacon->beacon_ies_len) {
3056 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3057 new_beacon->beacon_ies = pos;
3058 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3059 pos += beacon->beacon_ies_len;
3060 }
3061 if (beacon->proberesp_ies_len) {
3062 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3063 new_beacon->proberesp_ies = pos;
3064 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3065 pos += beacon->proberesp_ies_len;
3066 }
3067 if (beacon->assocresp_ies_len) {
3068 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3069 new_beacon->assocresp_ies = pos;
3070 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3071 pos += beacon->assocresp_ies_len;
3072 }
3073 if (beacon->probe_resp_len) {
3074 new_beacon->probe_resp_len = beacon->probe_resp_len;
3075 new_beacon->probe_resp = pos;
3076 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3077 pos += beacon->probe_resp_len;
3078 }
3079
3080 /* might copy -1, meaning no changes requested */
3081 new_beacon->ftm_responder = beacon->ftm_responder;
3082 if (beacon->lci) {
3083 new_beacon->lci_len = beacon->lci_len;
3084 new_beacon->lci = pos;
3085 memcpy(pos, beacon->lci, beacon->lci_len);
3086 pos += beacon->lci_len;
3087 }
3088 if (beacon->civicloc) {
3089 new_beacon->civicloc_len = beacon->civicloc_len;
3090 new_beacon->civicloc = pos;
3091 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3092 pos += beacon->civicloc_len;
3093 }
3094
3095 return new_beacon;
3096}
3097
3098void ieee80211_csa_finish(struct ieee80211_vif *vif)
3099{
3100 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3101
3102 ieee80211_queue_work(&sdata->local->hw,
3103 &sdata->csa_finalize_work);
3104}
3105EXPORT_SYMBOL(ieee80211_csa_finish);
3106
3107static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3108 u32 *changed)
3109{
3110 int err;
3111
3112 switch (sdata->vif.type) {
3113 case NL80211_IFTYPE_AP:
3114 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3115 NULL);
3116 kfree(sdata->u.ap.next_beacon);
3117 sdata->u.ap.next_beacon = NULL;
3118
3119 if (err < 0)
3120 return err;
3121 *changed |= err;
3122 break;
3123 case NL80211_IFTYPE_ADHOC:
3124 err = ieee80211_ibss_finish_csa(sdata);
3125 if (err < 0)
3126 return err;
3127 *changed |= err;
3128 break;
3129#ifdef CONFIG_MAC80211_MESH
3130 case NL80211_IFTYPE_MESH_POINT:
3131 err = ieee80211_mesh_finish_csa(sdata);
3132 if (err < 0)
3133 return err;
3134 *changed |= err;
3135 break;
3136#endif
3137 default:
3138 WARN_ON(1);
3139 return -EINVAL;
3140 }
3141
3142 return 0;
3143}
3144
3145static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3146{
3147 struct ieee80211_local *local = sdata->local;
3148 u32 changed = 0;
3149 int err;
3150
3151 sdata_assert_lock(sdata);
3152 lockdep_assert_held(&local->mtx);
3153 lockdep_assert_held(&local->chanctx_mtx);
3154
3155 /*
3156 * using reservation isn't immediate as it may be deferred until later
3157 * with multi-vif. once reservation is complete it will re-schedule the
3158 * work with no reserved_chanctx so verify chandef to check if it
3159 * completed successfully
3160 */
3161
3162 if (sdata->reserved_chanctx) {
3163 /*
3164 * with multi-vif csa driver may call ieee80211_csa_finish()
3165 * many times while waiting for other interfaces to use their
3166 * reservations
3167 */
3168 if (sdata->reserved_ready)
3169 return 0;
3170
3171 return ieee80211_vif_use_reserved_context(sdata);
3172 }
3173
3174 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3175 &sdata->csa_chandef))
3176 return -EINVAL;
3177
3178 sdata->vif.csa_active = false;
3179
3180 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3181 if (err)
3182 return err;
3183
3184 ieee80211_bss_info_change_notify(sdata, changed);
3185
3186 if (sdata->csa_block_tx) {
3187 ieee80211_wake_vif_queues(local, sdata,
3188 IEEE80211_QUEUE_STOP_REASON_CSA);
3189 sdata->csa_block_tx = false;
3190 }
3191
3192 err = drv_post_channel_switch(sdata);
3193 if (err)
3194 return err;
3195
3196 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3197
3198 return 0;
3199}
3200
3201static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3202{
3203 if (__ieee80211_csa_finalize(sdata)) {
3204 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3205 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3206 GFP_KERNEL);
3207 }
3208}
3209
3210void ieee80211_csa_finalize_work(struct work_struct *work)
3211{
3212 struct ieee80211_sub_if_data *sdata =
3213 container_of(work, struct ieee80211_sub_if_data,
3214 csa_finalize_work);
3215 struct ieee80211_local *local = sdata->local;
3216
3217 sdata_lock(sdata);
3218 mutex_lock(&local->mtx);
3219 mutex_lock(&local->chanctx_mtx);
3220
3221 /* AP might have been stopped while waiting for the lock. */
3222 if (!sdata->vif.csa_active)
3223 goto unlock;
3224
3225 if (!ieee80211_sdata_running(sdata))
3226 goto unlock;
3227
3228 ieee80211_csa_finalize(sdata);
3229
3230unlock:
3231 mutex_unlock(&local->chanctx_mtx);
3232 mutex_unlock(&local->mtx);
3233 sdata_unlock(sdata);
3234}
3235
3236static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3237 struct cfg80211_csa_settings *params,
3238 u32 *changed)
3239{
3240 struct ieee80211_csa_settings csa = {};
3241 int err;
3242
3243 switch (sdata->vif.type) {
3244 case NL80211_IFTYPE_AP:
3245 sdata->u.ap.next_beacon =
3246 cfg80211_beacon_dup(¶ms->beacon_after);
3247 if (!sdata->u.ap.next_beacon)
3248 return -ENOMEM;
3249
3250 /*
3251 * With a count of 0, we don't have to wait for any
3252 * TBTT before switching, so complete the CSA
3253 * immediately. In theory, with a count == 1 we
3254 * should delay the switch until just before the next
3255 * TBTT, but that would complicate things so we switch
3256 * immediately too. If we would delay the switch
3257 * until the next TBTT, we would have to set the probe
3258 * response here.
3259 *
3260 * TODO: A channel switch with count <= 1 without
3261 * sending a CSA action frame is kind of useless,
3262 * because the clients won't know we're changing
3263 * channels. The action frame must be implemented
3264 * either here or in the userspace.
3265 */
3266 if (params->count <= 1)
3267 break;
3268
3269 if ((params->n_counter_offsets_beacon >
3270 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3271 (params->n_counter_offsets_presp >
3272 IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3273 return -EINVAL;
3274
3275 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3276 csa.counter_offsets_presp = params->counter_offsets_presp;
3277 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3278 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3279 csa.count = params->count;
3280
3281 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3282 if (err < 0) {
3283 kfree(sdata->u.ap.next_beacon);
3284 return err;
3285 }
3286 *changed |= err;
3287
3288 break;
3289 case NL80211_IFTYPE_ADHOC:
3290 if (!sdata->vif.bss_conf.ibss_joined)
3291 return -EINVAL;
3292
3293 if (params->chandef.width != sdata->u.ibss.chandef.width)
3294 return -EINVAL;
3295
3296 switch (params->chandef.width) {
3297 case NL80211_CHAN_WIDTH_40:
3298 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3299 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3300 return -EINVAL;
3301 break;
3302 case NL80211_CHAN_WIDTH_5:
3303 case NL80211_CHAN_WIDTH_10:
3304 case NL80211_CHAN_WIDTH_20_NOHT:
3305 case NL80211_CHAN_WIDTH_20:
3306 break;
3307 default:
3308 return -EINVAL;
3309 }
3310
3311 /* changes into another band are not supported */
3312 if (sdata->u.ibss.chandef.chan->band !=
3313 params->chandef.chan->band)
3314 return -EINVAL;
3315
3316 /* see comments in the NL80211_IFTYPE_AP block */
3317 if (params->count > 1) {
3318 err = ieee80211_ibss_csa_beacon(sdata, params);
3319 if (err < 0)
3320 return err;
3321 *changed |= err;
3322 }
3323
3324 ieee80211_send_action_csa(sdata, params);
3325
3326 break;
3327#ifdef CONFIG_MAC80211_MESH
3328 case NL80211_IFTYPE_MESH_POINT: {
3329 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3330
3331 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3332 return -EINVAL;
3333
3334 /* changes into another band are not supported */
3335 if (sdata->vif.bss_conf.chandef.chan->band !=
3336 params->chandef.chan->band)
3337 return -EINVAL;
3338
3339 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3340 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3341 if (!ifmsh->pre_value)
3342 ifmsh->pre_value = 1;
3343 else
3344 ifmsh->pre_value++;
3345 }
3346
3347 /* see comments in the NL80211_IFTYPE_AP block */
3348 if (params->count > 1) {
3349 err = ieee80211_mesh_csa_beacon(sdata, params);
3350 if (err < 0) {
3351 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3352 return err;
3353 }
3354 *changed |= err;
3355 }
3356
3357 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3358 ieee80211_send_action_csa(sdata, params);
3359
3360 break;
3361 }
3362#endif
3363 default:
3364 return -EOPNOTSUPP;
3365 }
3366
3367 return 0;
3368}
3369
3370static int
3371__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3372 struct cfg80211_csa_settings *params)
3373{
3374 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3375 struct ieee80211_local *local = sdata->local;
3376 struct ieee80211_channel_switch ch_switch;
3377 struct ieee80211_chanctx_conf *conf;
3378 struct ieee80211_chanctx *chanctx;
3379 u32 changed = 0;
3380 int err;
3381
3382 sdata_assert_lock(sdata);
3383 lockdep_assert_held(&local->mtx);
3384
3385 if (!list_empty(&local->roc_list) || local->scanning)
3386 return -EBUSY;
3387
3388 if (sdata->wdev.cac_started)
3389 return -EBUSY;
3390
3391 if (cfg80211_chandef_identical(¶ms->chandef,
3392 &sdata->vif.bss_conf.chandef))
3393 return -EINVAL;
3394
3395 /* don't allow another channel switch if one is already active. */
3396 if (sdata->vif.csa_active)
3397 return -EBUSY;
3398
3399 mutex_lock(&local->chanctx_mtx);
3400 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3401 lockdep_is_held(&local->chanctx_mtx));
3402 if (!conf) {
3403 err = -EBUSY;
3404 goto out;
3405 }
3406
3407 if (params->chandef.chan->freq_offset) {
3408 /* this may work, but is untested */
3409 err = -EOPNOTSUPP;
3410 goto out;
3411 }
3412
3413 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3414
3415 ch_switch.timestamp = 0;
3416 ch_switch.device_timestamp = 0;
3417 ch_switch.block_tx = params->block_tx;
3418 ch_switch.chandef = params->chandef;
3419 ch_switch.count = params->count;
3420
3421 err = drv_pre_channel_switch(sdata, &ch_switch);
3422 if (err)
3423 goto out;
3424
3425 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3426 chanctx->mode,
3427 params->radar_required);
3428 if (err)
3429 goto out;
3430
3431 /* if reservation is invalid then this will fail */
3432 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3433 if (err) {
3434 ieee80211_vif_unreserve_chanctx(sdata);
3435 goto out;
3436 }
3437
3438 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3439 if (err) {
3440 ieee80211_vif_unreserve_chanctx(sdata);
3441 goto out;
3442 }
3443
3444 sdata->csa_chandef = params->chandef;
3445 sdata->csa_block_tx = params->block_tx;
3446 sdata->vif.csa_active = true;
3447
3448 if (sdata->csa_block_tx)
3449 ieee80211_stop_vif_queues(local, sdata,
3450 IEEE80211_QUEUE_STOP_REASON_CSA);
3451
3452 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3453 params->count, params->block_tx);
3454
3455 if (changed) {
3456 ieee80211_bss_info_change_notify(sdata, changed);
3457 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3458 } else {
3459 /* if the beacon didn't change, we can finalize immediately */
3460 ieee80211_csa_finalize(sdata);
3461 }
3462
3463out:
3464 mutex_unlock(&local->chanctx_mtx);
3465 return err;
3466}
3467
3468int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3469 struct cfg80211_csa_settings *params)
3470{
3471 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3472 struct ieee80211_local *local = sdata->local;
3473 int err;
3474
3475 mutex_lock(&local->mtx);
3476 err = __ieee80211_channel_switch(wiphy, dev, params);
3477 mutex_unlock(&local->mtx);
3478
3479 return err;
3480}
3481
3482u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3483{
3484 lockdep_assert_held(&local->mtx);
3485
3486 local->roc_cookie_counter++;
3487
3488 /* wow, you wrapped 64 bits ... more likely a bug */
3489 if (WARN_ON(local->roc_cookie_counter == 0))
3490 local->roc_cookie_counter++;
3491
3492 return local->roc_cookie_counter;
3493}
3494
3495int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3496 u64 *cookie, gfp_t gfp)
3497{
3498 unsigned long spin_flags;
3499 struct sk_buff *ack_skb;
3500 int id;
3501
3502 ack_skb = skb_copy(skb, gfp);
3503 if (!ack_skb)
3504 return -ENOMEM;
3505
3506 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3507 id = idr_alloc(&local->ack_status_frames, ack_skb,
3508 1, 0x2000, GFP_ATOMIC);
3509 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3510
3511 if (id < 0) {
3512 kfree_skb(ack_skb);
3513 return -ENOMEM;
3514 }
3515
3516 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3517
3518 *cookie = ieee80211_mgmt_tx_cookie(local);
3519 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3520
3521 return 0;
3522}
3523
3524static void
3525ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3526 struct wireless_dev *wdev,
3527 struct mgmt_frame_regs *upd)
3528{
3529 struct ieee80211_local *local = wiphy_priv(wiphy);
3530 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3531 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3532 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3533 bool global_change, intf_change;
3534
3535 global_change =
3536 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3537 (local->rx_mcast_action_reg !=
3538 !!(upd->global_mcast_stypes & action_mask));
3539 local->probe_req_reg = upd->global_stypes & preq_mask;
3540 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3541
3542 intf_change = (sdata->vif.probe_req_reg !=
3543 !!(upd->interface_stypes & preq_mask)) ||
3544 (sdata->vif.rx_mcast_action_reg !=
3545 !!(upd->interface_mcast_stypes & action_mask));
3546 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3547 sdata->vif.rx_mcast_action_reg =
3548 upd->interface_mcast_stypes & action_mask;
3549
3550 if (!local->open_count)
3551 return;
3552
3553 if (intf_change && ieee80211_sdata_running(sdata))
3554 drv_config_iface_filter(local, sdata,
3555 sdata->vif.probe_req_reg ?
3556 FIF_PROBE_REQ : 0,
3557 FIF_PROBE_REQ);
3558
3559 if (global_change)
3560 ieee80211_configure_filter(local);
3561}
3562
3563static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3564{
3565 struct ieee80211_local *local = wiphy_priv(wiphy);
3566
3567 if (local->started)
3568 return -EOPNOTSUPP;
3569
3570 return drv_set_antenna(local, tx_ant, rx_ant);
3571}
3572
3573static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3574{
3575 struct ieee80211_local *local = wiphy_priv(wiphy);
3576
3577 return drv_get_antenna(local, tx_ant, rx_ant);
3578}
3579
3580static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3581 struct net_device *dev,
3582 struct cfg80211_gtk_rekey_data *data)
3583{
3584 struct ieee80211_local *local = wiphy_priv(wiphy);
3585 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3586
3587 if (!local->ops->set_rekey_data)
3588 return -EOPNOTSUPP;
3589
3590 drv_set_rekey_data(local, sdata, data);
3591
3592 return 0;
3593}
3594
3595static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3596 const u8 *peer, u64 *cookie)
3597{
3598 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3599 struct ieee80211_local *local = sdata->local;
3600 struct ieee80211_qos_hdr *nullfunc;
3601 struct sk_buff *skb;
3602 int size = sizeof(*nullfunc);
3603 __le16 fc;
3604 bool qos;
3605 struct ieee80211_tx_info *info;
3606 struct sta_info *sta;
3607 struct ieee80211_chanctx_conf *chanctx_conf;
3608 enum nl80211_band band;
3609 int ret;
3610
3611 /* the lock is needed to assign the cookie later */
3612 mutex_lock(&local->mtx);
3613
3614 rcu_read_lock();
3615 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3616 if (WARN_ON(!chanctx_conf)) {
3617 ret = -EINVAL;
3618 goto unlock;
3619 }
3620 band = chanctx_conf->def.chan->band;
3621 sta = sta_info_get_bss(sdata, peer);
3622 if (sta) {
3623 qos = sta->sta.wme;
3624 } else {
3625 ret = -ENOLINK;
3626 goto unlock;
3627 }
3628
3629 if (qos) {
3630 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3631 IEEE80211_STYPE_QOS_NULLFUNC |
3632 IEEE80211_FCTL_FROMDS);
3633 } else {
3634 size -= 2;
3635 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3636 IEEE80211_STYPE_NULLFUNC |
3637 IEEE80211_FCTL_FROMDS);
3638 }
3639
3640 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3641 if (!skb) {
3642 ret = -ENOMEM;
3643 goto unlock;
3644 }
3645
3646 skb->dev = dev;
3647
3648 skb_reserve(skb, local->hw.extra_tx_headroom);
3649
3650 nullfunc = skb_put(skb, size);
3651 nullfunc->frame_control = fc;
3652 nullfunc->duration_id = 0;
3653 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3654 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3655 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3656 nullfunc->seq_ctrl = 0;
3657
3658 info = IEEE80211_SKB_CB(skb);
3659
3660 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3661 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3662 info->band = band;
3663
3664 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3665 skb->priority = 7;
3666 if (qos)
3667 nullfunc->qos_ctrl = cpu_to_le16(7);
3668
3669 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3670 if (ret) {
3671 kfree_skb(skb);
3672 goto unlock;
3673 }
3674
3675 local_bh_disable();
3676 ieee80211_xmit(sdata, sta, skb);
3677 local_bh_enable();
3678
3679 ret = 0;
3680unlock:
3681 rcu_read_unlock();
3682 mutex_unlock(&local->mtx);
3683
3684 return ret;
3685}
3686
3687static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3688 struct wireless_dev *wdev,
3689 struct cfg80211_chan_def *chandef)
3690{
3691 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3692 struct ieee80211_local *local = wiphy_priv(wiphy);
3693 struct ieee80211_chanctx_conf *chanctx_conf;
3694 int ret = -ENODATA;
3695
3696 rcu_read_lock();
3697 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3698 if (chanctx_conf) {
3699 *chandef = sdata->vif.bss_conf.chandef;
3700 ret = 0;
3701 } else if (local->open_count > 0 &&
3702 local->open_count == local->monitors &&
3703 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3704 if (local->use_chanctx)
3705 *chandef = local->monitor_chandef;
3706 else
3707 *chandef = local->_oper_chandef;
3708 ret = 0;
3709 }
3710 rcu_read_unlock();
3711
3712 return ret;
3713}
3714
3715#ifdef CONFIG_PM
3716static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3717{
3718 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3719}
3720#endif
3721
3722static int ieee80211_set_qos_map(struct wiphy *wiphy,
3723 struct net_device *dev,
3724 struct cfg80211_qos_map *qos_map)
3725{
3726 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3727 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3728
3729 if (qos_map) {
3730 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3731 if (!new_qos_map)
3732 return -ENOMEM;
3733 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3734 } else {
3735 /* A NULL qos_map was passed to disable QoS mapping */
3736 new_qos_map = NULL;
3737 }
3738
3739 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3740 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3741 if (old_qos_map)
3742 kfree_rcu(old_qos_map, rcu_head);
3743
3744 return 0;
3745}
3746
3747static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3748 struct net_device *dev,
3749 struct cfg80211_chan_def *chandef)
3750{
3751 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3752 int ret;
3753 u32 changed = 0;
3754
3755 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3756 if (ret == 0)
3757 ieee80211_bss_info_change_notify(sdata, changed);
3758
3759 return ret;
3760}
3761
3762static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3763 u8 tsid, const u8 *peer, u8 up,
3764 u16 admitted_time)
3765{
3766 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3767 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3768 int ac = ieee802_1d_to_ac[up];
3769
3770 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3771 return -EOPNOTSUPP;
3772
3773 if (!(sdata->wmm_acm & BIT(up)))
3774 return -EINVAL;
3775
3776 if (ifmgd->tx_tspec[ac].admitted_time)
3777 return -EBUSY;
3778
3779 if (admitted_time) {
3780 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3781 ifmgd->tx_tspec[ac].tsid = tsid;
3782 ifmgd->tx_tspec[ac].up = up;
3783 }
3784
3785 return 0;
3786}
3787
3788static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3789 u8 tsid, const u8 *peer)
3790{
3791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3792 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3793 struct ieee80211_local *local = wiphy_priv(wiphy);
3794 int ac;
3795
3796 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3797 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3798
3799 /* skip unused entries */
3800 if (!tx_tspec->admitted_time)
3801 continue;
3802
3803 if (tx_tspec->tsid != tsid)
3804 continue;
3805
3806 /* due to this new packets will be reassigned to non-ACM ACs */
3807 tx_tspec->up = -1;
3808
3809 /* Make sure that all packets have been sent to avoid to
3810 * restore the QoS params on packets that are still on the
3811 * queues.
3812 */
3813 synchronize_net();
3814 ieee80211_flush_queues(local, sdata, false);
3815
3816 /* restore the normal QoS parameters
3817 * (unconditionally to avoid races)
3818 */
3819 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3820 tx_tspec->downgraded = false;
3821 ieee80211_sta_handle_tspec_ac_params(sdata);
3822
3823 /* finally clear all the data */
3824 memset(tx_tspec, 0, sizeof(*tx_tspec));
3825
3826 return 0;
3827 }
3828
3829 return -ENOENT;
3830}
3831
3832void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3833 u8 inst_id,
3834 enum nl80211_nan_func_term_reason reason,
3835 gfp_t gfp)
3836{
3837 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3838 struct cfg80211_nan_func *func;
3839 u64 cookie;
3840
3841 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3842 return;
3843
3844 spin_lock_bh(&sdata->u.nan.func_lock);
3845
3846 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3847 if (WARN_ON(!func)) {
3848 spin_unlock_bh(&sdata->u.nan.func_lock);
3849 return;
3850 }
3851
3852 cookie = func->cookie;
3853 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3854
3855 spin_unlock_bh(&sdata->u.nan.func_lock);
3856
3857 cfg80211_free_nan_func(func);
3858
3859 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3860 reason, cookie, gfp);
3861}
3862EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3863
3864void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3865 struct cfg80211_nan_match_params *match,
3866 gfp_t gfp)
3867{
3868 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3869 struct cfg80211_nan_func *func;
3870
3871 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3872 return;
3873
3874 spin_lock_bh(&sdata->u.nan.func_lock);
3875
3876 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3877 if (WARN_ON(!func)) {
3878 spin_unlock_bh(&sdata->u.nan.func_lock);
3879 return;
3880 }
3881 match->cookie = func->cookie;
3882
3883 spin_unlock_bh(&sdata->u.nan.func_lock);
3884
3885 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3886}
3887EXPORT_SYMBOL(ieee80211_nan_func_match);
3888
3889static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3890 struct net_device *dev,
3891 const bool enabled)
3892{
3893 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3894
3895 sdata->u.ap.multicast_to_unicast = enabled;
3896
3897 return 0;
3898}
3899
3900void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3901 struct txq_info *txqi)
3902{
3903 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3904 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3905 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3906 }
3907
3908 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3909 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3910 txqstats->backlog_packets = txqi->tin.backlog_packets;
3911 }
3912
3913 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3914 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3915 txqstats->flows = txqi->tin.flows;
3916 }
3917
3918 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3919 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3920 txqstats->drops = txqi->cstats.drop_count;
3921 }
3922
3923 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3924 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3925 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3926 }
3927
3928 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3929 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3930 txqstats->overlimit = txqi->tin.overlimit;
3931 }
3932
3933 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3934 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3935 txqstats->collisions = txqi->tin.collisions;
3936 }
3937
3938 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3939 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3940 txqstats->tx_bytes = txqi->tin.tx_bytes;
3941 }
3942
3943 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3944 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3945 txqstats->tx_packets = txqi->tin.tx_packets;
3946 }
3947}
3948
3949static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3950 struct wireless_dev *wdev,
3951 struct cfg80211_txq_stats *txqstats)
3952{
3953 struct ieee80211_local *local = wiphy_priv(wiphy);
3954 struct ieee80211_sub_if_data *sdata;
3955 int ret = 0;
3956
3957 if (!local->ops->wake_tx_queue)
3958 return 1;
3959
3960 spin_lock_bh(&local->fq.lock);
3961 rcu_read_lock();
3962
3963 if (wdev) {
3964 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3965 if (!sdata->vif.txq) {
3966 ret = 1;
3967 goto out;
3968 }
3969 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3970 } else {
3971 /* phy stats */
3972 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3973 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3974 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3975 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3976 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3977 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3978 txqstats->backlog_packets = local->fq.backlog;
3979 txqstats->backlog_bytes = local->fq.memory_usage;
3980 txqstats->overlimit = local->fq.overlimit;
3981 txqstats->overmemory = local->fq.overmemory;
3982 txqstats->collisions = local->fq.collisions;
3983 txqstats->max_flows = local->fq.flows_cnt;
3984 }
3985
3986out:
3987 rcu_read_unlock();
3988 spin_unlock_bh(&local->fq.lock);
3989
3990 return ret;
3991}
3992
3993static int
3994ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3995 struct net_device *dev,
3996 struct cfg80211_ftm_responder_stats *ftm_stats)
3997{
3998 struct ieee80211_local *local = wiphy_priv(wiphy);
3999 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4000
4001 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4002}
4003
4004static int
4005ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4006 struct cfg80211_pmsr_request *request)
4007{
4008 struct ieee80211_local *local = wiphy_priv(wiphy);
4009 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4010
4011 return drv_start_pmsr(local, sdata, request);
4012}
4013
4014static void
4015ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4016 struct cfg80211_pmsr_request *request)
4017{
4018 struct ieee80211_local *local = wiphy_priv(wiphy);
4019 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4020
4021 return drv_abort_pmsr(local, sdata, request);
4022}
4023
4024static int ieee80211_set_tid_config(struct wiphy *wiphy,
4025 struct net_device *dev,
4026 struct cfg80211_tid_config *tid_conf)
4027{
4028 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4029 struct sta_info *sta;
4030 int ret;
4031
4032 if (!sdata->local->ops->set_tid_config)
4033 return -EOPNOTSUPP;
4034
4035 if (!tid_conf->peer)
4036 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4037
4038 mutex_lock(&sdata->local->sta_mtx);
4039 sta = sta_info_get_bss(sdata, tid_conf->peer);
4040 if (!sta) {
4041 mutex_unlock(&sdata->local->sta_mtx);
4042 return -ENOENT;
4043 }
4044
4045 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4046 mutex_unlock(&sdata->local->sta_mtx);
4047
4048 return ret;
4049}
4050
4051static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4052 struct net_device *dev,
4053 const u8 *peer, u8 tids)
4054{
4055 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4056 struct sta_info *sta;
4057 int ret;
4058
4059 if (!sdata->local->ops->reset_tid_config)
4060 return -EOPNOTSUPP;
4061
4062 if (!peer)
4063 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4064
4065 mutex_lock(&sdata->local->sta_mtx);
4066 sta = sta_info_get_bss(sdata, peer);
4067 if (!sta) {
4068 mutex_unlock(&sdata->local->sta_mtx);
4069 return -ENOENT;
4070 }
4071
4072 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4073 mutex_unlock(&sdata->local->sta_mtx);
4074
4075 return ret;
4076}
4077
4078static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4079 struct cfg80211_sar_specs *sar)
4080{
4081 struct ieee80211_local *local = wiphy_priv(wiphy);
4082
4083 if (!local->ops->set_sar_specs)
4084 return -EOPNOTSUPP;
4085
4086 return local->ops->set_sar_specs(&local->hw, sar);
4087}
4088
4089const struct cfg80211_ops mac80211_config_ops = {
4090 .add_virtual_intf = ieee80211_add_iface,
4091 .del_virtual_intf = ieee80211_del_iface,
4092 .change_virtual_intf = ieee80211_change_iface,
4093 .start_p2p_device = ieee80211_start_p2p_device,
4094 .stop_p2p_device = ieee80211_stop_p2p_device,
4095 .add_key = ieee80211_add_key,
4096 .del_key = ieee80211_del_key,
4097 .get_key = ieee80211_get_key,
4098 .set_default_key = ieee80211_config_default_key,
4099 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4100 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4101 .start_ap = ieee80211_start_ap,
4102 .change_beacon = ieee80211_change_beacon,
4103 .stop_ap = ieee80211_stop_ap,
4104 .add_station = ieee80211_add_station,
4105 .del_station = ieee80211_del_station,
4106 .change_station = ieee80211_change_station,
4107 .get_station = ieee80211_get_station,
4108 .dump_station = ieee80211_dump_station,
4109 .dump_survey = ieee80211_dump_survey,
4110#ifdef CONFIG_MAC80211_MESH
4111 .add_mpath = ieee80211_add_mpath,
4112 .del_mpath = ieee80211_del_mpath,
4113 .change_mpath = ieee80211_change_mpath,
4114 .get_mpath = ieee80211_get_mpath,
4115 .dump_mpath = ieee80211_dump_mpath,
4116 .get_mpp = ieee80211_get_mpp,
4117 .dump_mpp = ieee80211_dump_mpp,
4118 .update_mesh_config = ieee80211_update_mesh_config,
4119 .get_mesh_config = ieee80211_get_mesh_config,
4120 .join_mesh = ieee80211_join_mesh,
4121 .leave_mesh = ieee80211_leave_mesh,
4122#endif
4123 .join_ocb = ieee80211_join_ocb,
4124 .leave_ocb = ieee80211_leave_ocb,
4125 .change_bss = ieee80211_change_bss,
4126 .set_txq_params = ieee80211_set_txq_params,
4127 .set_monitor_channel = ieee80211_set_monitor_channel,
4128 .suspend = ieee80211_suspend,
4129 .resume = ieee80211_resume,
4130 .scan = ieee80211_scan,
4131 .abort_scan = ieee80211_abort_scan,
4132 .sched_scan_start = ieee80211_sched_scan_start,
4133 .sched_scan_stop = ieee80211_sched_scan_stop,
4134 .auth = ieee80211_auth,
4135 .assoc = ieee80211_assoc,
4136 .deauth = ieee80211_deauth,
4137 .disassoc = ieee80211_disassoc,
4138 .join_ibss = ieee80211_join_ibss,
4139 .leave_ibss = ieee80211_leave_ibss,
4140 .set_mcast_rate = ieee80211_set_mcast_rate,
4141 .set_wiphy_params = ieee80211_set_wiphy_params,
4142 .set_tx_power = ieee80211_set_tx_power,
4143 .get_tx_power = ieee80211_get_tx_power,
4144 .rfkill_poll = ieee80211_rfkill_poll,
4145 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4146 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4147 .set_power_mgmt = ieee80211_set_power_mgmt,
4148 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4149 .remain_on_channel = ieee80211_remain_on_channel,
4150 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4151 .mgmt_tx = ieee80211_mgmt_tx,
4152 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4153 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4154 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4155 .update_mgmt_frame_registrations =
4156 ieee80211_update_mgmt_frame_registrations,
4157 .set_antenna = ieee80211_set_antenna,
4158 .get_antenna = ieee80211_get_antenna,
4159 .set_rekey_data = ieee80211_set_rekey_data,
4160 .tdls_oper = ieee80211_tdls_oper,
4161 .tdls_mgmt = ieee80211_tdls_mgmt,
4162 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4163 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4164 .probe_client = ieee80211_probe_client,
4165 .set_noack_map = ieee80211_set_noack_map,
4166#ifdef CONFIG_PM
4167 .set_wakeup = ieee80211_set_wakeup,
4168#endif
4169 .get_channel = ieee80211_cfg_get_channel,
4170 .start_radar_detection = ieee80211_start_radar_detection,
4171 .end_cac = ieee80211_end_cac,
4172 .channel_switch = ieee80211_channel_switch,
4173 .set_qos_map = ieee80211_set_qos_map,
4174 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4175 .add_tx_ts = ieee80211_add_tx_ts,
4176 .del_tx_ts = ieee80211_del_tx_ts,
4177 .start_nan = ieee80211_start_nan,
4178 .stop_nan = ieee80211_stop_nan,
4179 .nan_change_conf = ieee80211_nan_change_conf,
4180 .add_nan_func = ieee80211_add_nan_func,
4181 .del_nan_func = ieee80211_del_nan_func,
4182 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4183 .tx_control_port = ieee80211_tx_control_port,
4184 .get_txq_stats = ieee80211_get_txq_stats,
4185 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4186 .start_pmsr = ieee80211_start_pmsr,
4187 .abort_pmsr = ieee80211_abort_pmsr,
4188 .probe_mesh_link = ieee80211_probe_mesh_link,
4189 .set_tid_config = ieee80211_set_tid_config,
4190 .reset_tid_config = ieee80211_reset_tid_config,
4191 .set_sar_specs = ieee80211_set_sar_specs,
4192};