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
ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data * sdata,struct vif_params * params)26 static 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
ieee80211_set_mon_options(struct ieee80211_sub_if_data * sdata,struct vif_params * params)59 static 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
ieee80211_add_iface(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)114 static 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
ieee80211_del_iface(struct wiphy * wiphy,struct wireless_dev * wdev)142 static 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
ieee80211_change_iface(struct wiphy * wiphy,struct net_device * dev,enum nl80211_iftype type,struct vif_params * params)149 static 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 struct ieee80211_local *local = sdata->local;
156 struct sta_info *sta;
157 int ret;
158
159 ret = ieee80211_if_change_type(sdata, type);
160 if (ret)
161 return ret;
162
163 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
164 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
165 ieee80211_check_fast_rx_iface(sdata);
166 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
167 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
168
169 if (params->use_4addr == ifmgd->use_4addr)
170 return 0;
171
172 sdata->u.mgd.use_4addr = params->use_4addr;
173 if (!ifmgd->associated)
174 return 0;
175
176 mutex_lock(&local->sta_mtx);
177 sta = sta_info_get(sdata, ifmgd->bssid);
178 if (sta)
179 drv_sta_set_4addr(local, sdata, &sta->sta,
180 params->use_4addr);
181 mutex_unlock(&local->sta_mtx);
182
183 if (params->use_4addr)
184 ieee80211_send_4addr_nullfunc(local, sdata);
185 }
186
187 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
188 ret = ieee80211_set_mon_options(sdata, params);
189 if (ret)
190 return ret;
191 }
192
193 return 0;
194 }
195
ieee80211_start_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)196 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
197 struct wireless_dev *wdev)
198 {
199 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
200 int ret;
201
202 mutex_lock(&sdata->local->chanctx_mtx);
203 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
204 mutex_unlock(&sdata->local->chanctx_mtx);
205 if (ret < 0)
206 return ret;
207
208 return ieee80211_do_open(wdev, true);
209 }
210
ieee80211_stop_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)211 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
212 struct wireless_dev *wdev)
213 {
214 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
215 }
216
ieee80211_start_nan(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_nan_conf * conf)217 static int ieee80211_start_nan(struct wiphy *wiphy,
218 struct wireless_dev *wdev,
219 struct cfg80211_nan_conf *conf)
220 {
221 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
222 int ret;
223
224 mutex_lock(&sdata->local->chanctx_mtx);
225 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
226 mutex_unlock(&sdata->local->chanctx_mtx);
227 if (ret < 0)
228 return ret;
229
230 ret = ieee80211_do_open(wdev, true);
231 if (ret)
232 return ret;
233
234 ret = drv_start_nan(sdata->local, sdata, conf);
235 if (ret)
236 ieee80211_sdata_stop(sdata);
237
238 sdata->u.nan.conf = *conf;
239
240 return ret;
241 }
242
ieee80211_stop_nan(struct wiphy * wiphy,struct wireless_dev * wdev)243 static void ieee80211_stop_nan(struct wiphy *wiphy,
244 struct wireless_dev *wdev)
245 {
246 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
247
248 drv_stop_nan(sdata->local, sdata);
249 ieee80211_sdata_stop(sdata);
250 }
251
ieee80211_nan_change_conf(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_nan_conf * conf,u32 changes)252 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
253 struct wireless_dev *wdev,
254 struct cfg80211_nan_conf *conf,
255 u32 changes)
256 {
257 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
258 struct cfg80211_nan_conf new_conf;
259 int ret = 0;
260
261 if (sdata->vif.type != NL80211_IFTYPE_NAN)
262 return -EOPNOTSUPP;
263
264 if (!ieee80211_sdata_running(sdata))
265 return -ENETDOWN;
266
267 new_conf = sdata->u.nan.conf;
268
269 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
270 new_conf.master_pref = conf->master_pref;
271
272 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
273 new_conf.bands = conf->bands;
274
275 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
276 if (!ret)
277 sdata->u.nan.conf = new_conf;
278
279 return ret;
280 }
281
ieee80211_add_nan_func(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_nan_func * nan_func)282 static int ieee80211_add_nan_func(struct wiphy *wiphy,
283 struct wireless_dev *wdev,
284 struct cfg80211_nan_func *nan_func)
285 {
286 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
287 int ret;
288
289 if (sdata->vif.type != NL80211_IFTYPE_NAN)
290 return -EOPNOTSUPP;
291
292 if (!ieee80211_sdata_running(sdata))
293 return -ENETDOWN;
294
295 spin_lock_bh(&sdata->u.nan.func_lock);
296
297 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
298 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
299 GFP_ATOMIC);
300 spin_unlock_bh(&sdata->u.nan.func_lock);
301
302 if (ret < 0)
303 return ret;
304
305 nan_func->instance_id = ret;
306
307 WARN_ON(nan_func->instance_id == 0);
308
309 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
310 if (ret) {
311 spin_lock_bh(&sdata->u.nan.func_lock);
312 idr_remove(&sdata->u.nan.function_inst_ids,
313 nan_func->instance_id);
314 spin_unlock_bh(&sdata->u.nan.func_lock);
315 }
316
317 return ret;
318 }
319
320 static struct cfg80211_nan_func *
ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data * sdata,u64 cookie)321 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
322 u64 cookie)
323 {
324 struct cfg80211_nan_func *func;
325 int id;
326
327 lockdep_assert_held(&sdata->u.nan.func_lock);
328
329 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
330 if (func->cookie == cookie)
331 return func;
332 }
333
334 return NULL;
335 }
336
ieee80211_del_nan_func(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)337 static void ieee80211_del_nan_func(struct wiphy *wiphy,
338 struct wireless_dev *wdev, u64 cookie)
339 {
340 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
341 struct cfg80211_nan_func *func;
342 u8 instance_id = 0;
343
344 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
345 !ieee80211_sdata_running(sdata))
346 return;
347
348 spin_lock_bh(&sdata->u.nan.func_lock);
349
350 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
351 if (func)
352 instance_id = func->instance_id;
353
354 spin_unlock_bh(&sdata->u.nan.func_lock);
355
356 if (instance_id)
357 drv_del_nan_func(sdata->local, sdata, instance_id);
358 }
359
ieee80211_set_noack_map(struct wiphy * wiphy,struct net_device * dev,u16 noack_map)360 static int ieee80211_set_noack_map(struct wiphy *wiphy,
361 struct net_device *dev,
362 u16 noack_map)
363 {
364 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
365
366 sdata->noack_map = noack_map;
367
368 ieee80211_check_fast_xmit_iface(sdata);
369
370 return 0;
371 }
372
ieee80211_set_tx(struct ieee80211_sub_if_data * sdata,const u8 * mac_addr,u8 key_idx)373 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
374 const u8 *mac_addr, u8 key_idx)
375 {
376 struct ieee80211_local *local = sdata->local;
377 struct ieee80211_key *key;
378 struct sta_info *sta;
379 int ret = -EINVAL;
380
381 if (!wiphy_ext_feature_isset(local->hw.wiphy,
382 NL80211_EXT_FEATURE_EXT_KEY_ID))
383 return -EINVAL;
384
385 sta = sta_info_get_bss(sdata, mac_addr);
386
387 if (!sta)
388 return -EINVAL;
389
390 if (sta->ptk_idx == key_idx)
391 return 0;
392
393 mutex_lock(&local->key_mtx);
394 key = key_mtx_dereference(local, sta->ptk[key_idx]);
395
396 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
397 ret = ieee80211_set_tx_key(key);
398
399 mutex_unlock(&local->key_mtx);
400 return ret;
401 }
402
ieee80211_add_key(struct wiphy * wiphy,struct net_device * dev,u8 key_idx,bool pairwise,const u8 * mac_addr,struct key_params * params)403 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
404 u8 key_idx, bool pairwise, const u8 *mac_addr,
405 struct key_params *params)
406 {
407 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
408 struct ieee80211_local *local = sdata->local;
409 struct sta_info *sta = NULL;
410 const struct ieee80211_cipher_scheme *cs = NULL;
411 struct ieee80211_key *key;
412 int err;
413
414 if (!ieee80211_sdata_running(sdata))
415 return -ENETDOWN;
416
417 if (pairwise && params->mode == NL80211_KEY_SET_TX)
418 return ieee80211_set_tx(sdata, mac_addr, key_idx);
419
420 /* reject WEP and TKIP keys if WEP failed to initialize */
421 switch (params->cipher) {
422 case WLAN_CIPHER_SUITE_WEP40:
423 case WLAN_CIPHER_SUITE_TKIP:
424 case WLAN_CIPHER_SUITE_WEP104:
425 if (WARN_ON_ONCE(fips_enabled))
426 return -EINVAL;
427 break;
428 case WLAN_CIPHER_SUITE_CCMP:
429 case WLAN_CIPHER_SUITE_CCMP_256:
430 case WLAN_CIPHER_SUITE_AES_CMAC:
431 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
432 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
433 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
434 case WLAN_CIPHER_SUITE_GCMP:
435 case WLAN_CIPHER_SUITE_GCMP_256:
436 break;
437 default:
438 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
439 break;
440 }
441
442 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
443 params->key, params->seq_len, params->seq,
444 cs);
445 if (IS_ERR(key))
446 return PTR_ERR(key);
447
448 if (pairwise)
449 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
450
451 if (params->mode == NL80211_KEY_NO_TX)
452 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
453
454 mutex_lock(&local->sta_mtx);
455
456 if (mac_addr) {
457 sta = sta_info_get_bss(sdata, mac_addr);
458 /*
459 * The ASSOC test makes sure the driver is ready to
460 * receive the key. When wpa_supplicant has roamed
461 * using FT, it attempts to set the key before
462 * association has completed, this rejects that attempt
463 * so it will set the key again after association.
464 *
465 * TODO: accept the key if we have a station entry and
466 * add it to the device after the station.
467 */
468 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
469 ieee80211_key_free_unused(key);
470 err = -ENOENT;
471 goto out_unlock;
472 }
473 }
474
475 switch (sdata->vif.type) {
476 case NL80211_IFTYPE_STATION:
477 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
478 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
479 break;
480 case NL80211_IFTYPE_AP:
481 case NL80211_IFTYPE_AP_VLAN:
482 /* Keys without a station are used for TX only */
483 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
484 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
485 break;
486 case NL80211_IFTYPE_ADHOC:
487 /* no MFP (yet) */
488 break;
489 case NL80211_IFTYPE_MESH_POINT:
490 #ifdef CONFIG_MAC80211_MESH
491 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
492 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
493 break;
494 #endif
495 case NL80211_IFTYPE_WDS:
496 case NL80211_IFTYPE_MONITOR:
497 case NL80211_IFTYPE_P2P_DEVICE:
498 case NL80211_IFTYPE_NAN:
499 case NL80211_IFTYPE_UNSPECIFIED:
500 case NUM_NL80211_IFTYPES:
501 case NL80211_IFTYPE_P2P_CLIENT:
502 case NL80211_IFTYPE_P2P_GO:
503 case NL80211_IFTYPE_OCB:
504 /* shouldn't happen */
505 WARN_ON_ONCE(1);
506 break;
507 }
508
509 if (sta)
510 sta->cipher_scheme = cs;
511
512 err = ieee80211_key_link(key, sdata, sta);
513
514 out_unlock:
515 mutex_unlock(&local->sta_mtx);
516
517 return err;
518 }
519
ieee80211_del_key(struct wiphy * wiphy,struct net_device * dev,u8 key_idx,bool pairwise,const u8 * mac_addr)520 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
521 u8 key_idx, bool pairwise, const u8 *mac_addr)
522 {
523 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
524 struct ieee80211_local *local = sdata->local;
525 struct sta_info *sta;
526 struct ieee80211_key *key = NULL;
527 int ret;
528
529 mutex_lock(&local->sta_mtx);
530 mutex_lock(&local->key_mtx);
531
532 if (mac_addr) {
533 ret = -ENOENT;
534
535 sta = sta_info_get_bss(sdata, mac_addr);
536 if (!sta)
537 goto out_unlock;
538
539 if (pairwise)
540 key = key_mtx_dereference(local, sta->ptk[key_idx]);
541 else
542 key = key_mtx_dereference(local, sta->gtk[key_idx]);
543 } else
544 key = key_mtx_dereference(local, sdata->keys[key_idx]);
545
546 if (!key) {
547 ret = -ENOENT;
548 goto out_unlock;
549 }
550
551 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
552
553 ret = 0;
554 out_unlock:
555 mutex_unlock(&local->key_mtx);
556 mutex_unlock(&local->sta_mtx);
557
558 return ret;
559 }
560
ieee80211_get_key(struct wiphy * wiphy,struct net_device * dev,u8 key_idx,bool pairwise,const u8 * mac_addr,void * cookie,void (* callback)(void * cookie,struct key_params * params))561 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
562 u8 key_idx, bool pairwise, const u8 *mac_addr,
563 void *cookie,
564 void (*callback)(void *cookie,
565 struct key_params *params))
566 {
567 struct ieee80211_sub_if_data *sdata;
568 struct sta_info *sta = NULL;
569 u8 seq[6] = {0};
570 struct key_params params;
571 struct ieee80211_key *key = NULL;
572 u64 pn64;
573 u32 iv32;
574 u16 iv16;
575 int err = -ENOENT;
576 struct ieee80211_key_seq kseq = {};
577
578 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
579
580 rcu_read_lock();
581
582 if (mac_addr) {
583 sta = sta_info_get_bss(sdata, mac_addr);
584 if (!sta)
585 goto out;
586
587 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
588 key = rcu_dereference(sta->ptk[key_idx]);
589 else if (!pairwise &&
590 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
591 NUM_DEFAULT_BEACON_KEYS)
592 key = rcu_dereference(sta->gtk[key_idx]);
593 } else
594 key = rcu_dereference(sdata->keys[key_idx]);
595
596 if (!key)
597 goto out;
598
599 memset(¶ms, 0, sizeof(params));
600
601 params.cipher = key->conf.cipher;
602
603 switch (key->conf.cipher) {
604 case WLAN_CIPHER_SUITE_TKIP:
605 pn64 = atomic64_read(&key->conf.tx_pn);
606 iv32 = TKIP_PN_TO_IV32(pn64);
607 iv16 = TKIP_PN_TO_IV16(pn64);
608
609 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
610 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
611 drv_get_key_seq(sdata->local, key, &kseq);
612 iv32 = kseq.tkip.iv32;
613 iv16 = kseq.tkip.iv16;
614 }
615
616 seq[0] = iv16 & 0xff;
617 seq[1] = (iv16 >> 8) & 0xff;
618 seq[2] = iv32 & 0xff;
619 seq[3] = (iv32 >> 8) & 0xff;
620 seq[4] = (iv32 >> 16) & 0xff;
621 seq[5] = (iv32 >> 24) & 0xff;
622 params.seq = seq;
623 params.seq_len = 6;
624 break;
625 case WLAN_CIPHER_SUITE_CCMP:
626 case WLAN_CIPHER_SUITE_CCMP_256:
627 case WLAN_CIPHER_SUITE_AES_CMAC:
628 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
629 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
630 offsetof(typeof(kseq), aes_cmac));
631 fallthrough;
632 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
633 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
634 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
635 offsetof(typeof(kseq), aes_gmac));
636 fallthrough;
637 case WLAN_CIPHER_SUITE_GCMP:
638 case WLAN_CIPHER_SUITE_GCMP_256:
639 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
640 offsetof(typeof(kseq), gcmp));
641
642 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
643 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
644 drv_get_key_seq(sdata->local, key, &kseq);
645 memcpy(seq, kseq.ccmp.pn, 6);
646 } else {
647 pn64 = atomic64_read(&key->conf.tx_pn);
648 seq[0] = pn64;
649 seq[1] = pn64 >> 8;
650 seq[2] = pn64 >> 16;
651 seq[3] = pn64 >> 24;
652 seq[4] = pn64 >> 32;
653 seq[5] = pn64 >> 40;
654 }
655 params.seq = seq;
656 params.seq_len = 6;
657 break;
658 default:
659 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
660 break;
661 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
662 break;
663 drv_get_key_seq(sdata->local, key, &kseq);
664 params.seq = kseq.hw.seq;
665 params.seq_len = kseq.hw.seq_len;
666 break;
667 }
668
669 params.key = key->conf.key;
670 params.key_len = key->conf.keylen;
671
672 callback(cookie, ¶ms);
673 err = 0;
674
675 out:
676 rcu_read_unlock();
677 return err;
678 }
679
ieee80211_config_default_key(struct wiphy * wiphy,struct net_device * dev,u8 key_idx,bool uni,bool multi)680 static int ieee80211_config_default_key(struct wiphy *wiphy,
681 struct net_device *dev,
682 u8 key_idx, bool uni,
683 bool multi)
684 {
685 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
686
687 ieee80211_set_default_key(sdata, key_idx, uni, multi);
688
689 return 0;
690 }
691
ieee80211_config_default_mgmt_key(struct wiphy * wiphy,struct net_device * dev,u8 key_idx)692 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
693 struct net_device *dev,
694 u8 key_idx)
695 {
696 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
697
698 ieee80211_set_default_mgmt_key(sdata, key_idx);
699
700 return 0;
701 }
702
ieee80211_config_default_beacon_key(struct wiphy * wiphy,struct net_device * dev,u8 key_idx)703 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
704 struct net_device *dev,
705 u8 key_idx)
706 {
707 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
708
709 ieee80211_set_default_beacon_key(sdata, key_idx);
710
711 return 0;
712 }
713
sta_set_rate_info_tx(struct sta_info * sta,const struct ieee80211_tx_rate * rate,struct rate_info * rinfo)714 void sta_set_rate_info_tx(struct sta_info *sta,
715 const struct ieee80211_tx_rate *rate,
716 struct rate_info *rinfo)
717 {
718 rinfo->flags = 0;
719 if (rate->flags & IEEE80211_TX_RC_MCS) {
720 rinfo->flags |= RATE_INFO_FLAGS_MCS;
721 rinfo->mcs = rate->idx;
722 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
723 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
724 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
725 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
726 } else {
727 struct ieee80211_supported_band *sband;
728 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
729 u16 brate;
730
731 sband = ieee80211_get_sband(sta->sdata);
732 WARN_ON_ONCE(sband && !sband->bitrates);
733 if (sband && sband->bitrates) {
734 brate = sband->bitrates[rate->idx].bitrate;
735 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
736 }
737 }
738 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
739 rinfo->bw = RATE_INFO_BW_40;
740 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
741 rinfo->bw = RATE_INFO_BW_80;
742 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
743 rinfo->bw = RATE_INFO_BW_160;
744 else
745 rinfo->bw = RATE_INFO_BW_20;
746 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
747 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
748 }
749
ieee80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)750 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
751 int idx, u8 *mac, struct station_info *sinfo)
752 {
753 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
754 struct ieee80211_local *local = sdata->local;
755 struct sta_info *sta;
756 int ret = -ENOENT;
757
758 mutex_lock(&local->sta_mtx);
759
760 sta = sta_info_get_by_idx(sdata, idx);
761 if (sta) {
762 ret = 0;
763 memcpy(mac, sta->sta.addr, ETH_ALEN);
764 sta_set_sinfo(sta, sinfo, true);
765 }
766
767 mutex_unlock(&local->sta_mtx);
768
769 return ret;
770 }
771
ieee80211_dump_survey(struct wiphy * wiphy,struct net_device * dev,int idx,struct survey_info * survey)772 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
773 int idx, struct survey_info *survey)
774 {
775 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
776
777 return drv_get_survey(local, idx, survey);
778 }
779
ieee80211_get_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_info * sinfo)780 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
781 const u8 *mac, struct station_info *sinfo)
782 {
783 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
784 struct ieee80211_local *local = sdata->local;
785 struct sta_info *sta;
786 int ret = -ENOENT;
787
788 mutex_lock(&local->sta_mtx);
789
790 sta = sta_info_get_bss(sdata, mac);
791 if (sta) {
792 ret = 0;
793 sta_set_sinfo(sta, sinfo, true);
794 }
795
796 mutex_unlock(&local->sta_mtx);
797
798 return ret;
799 }
800
ieee80211_set_monitor_channel(struct wiphy * wiphy,struct cfg80211_chan_def * chandef)801 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
802 struct cfg80211_chan_def *chandef)
803 {
804 struct ieee80211_local *local = wiphy_priv(wiphy);
805 struct ieee80211_sub_if_data *sdata;
806 int ret = 0;
807
808 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
809 return 0;
810
811 mutex_lock(&local->mtx);
812 if (local->use_chanctx) {
813 sdata = rtnl_dereference(local->monitor_sdata);
814 if (sdata) {
815 ieee80211_vif_release_channel(sdata);
816 ret = ieee80211_vif_use_channel(sdata, chandef,
817 IEEE80211_CHANCTX_EXCLUSIVE);
818 }
819 } else if (local->open_count == local->monitors) {
820 local->_oper_chandef = *chandef;
821 ieee80211_hw_config(local, 0);
822 }
823
824 if (ret == 0)
825 local->monitor_chandef = *chandef;
826 mutex_unlock(&local->mtx);
827
828 return ret;
829 }
830
831 static int
ieee80211_set_probe_resp(struct ieee80211_sub_if_data * sdata,const u8 * resp,size_t resp_len,const struct ieee80211_csa_settings * csa,const struct ieee80211_color_change_settings * cca)832 ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
833 const u8 *resp, size_t resp_len,
834 const struct ieee80211_csa_settings *csa,
835 const struct ieee80211_color_change_settings *cca)
836 {
837 struct probe_resp *new, *old;
838
839 if (!resp || !resp_len)
840 return 1;
841
842 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
843
844 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
845 if (!new)
846 return -ENOMEM;
847
848 new->len = resp_len;
849 memcpy(new->data, resp, resp_len);
850
851 if (csa)
852 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
853 csa->n_counter_offsets_presp *
854 sizeof(new->cntdwn_counter_offsets[0]));
855 else if (cca)
856 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp;
857
858 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
859 if (old)
860 kfree_rcu(old, rcu_head);
861
862 return 0;
863 }
864
ieee80211_set_fils_discovery(struct ieee80211_sub_if_data * sdata,struct cfg80211_fils_discovery * params)865 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
866 struct cfg80211_fils_discovery *params)
867 {
868 struct fils_discovery_data *new, *old = NULL;
869 struct ieee80211_fils_discovery *fd;
870
871 if (!params->tmpl || !params->tmpl_len)
872 return -EINVAL;
873
874 fd = &sdata->vif.bss_conf.fils_discovery;
875 fd->min_interval = params->min_interval;
876 fd->max_interval = params->max_interval;
877
878 old = sdata_dereference(sdata->u.ap.fils_discovery, 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.fils_discovery, new);
885
886 if (old)
887 kfree_rcu(old, rcu_head);
888
889 return 0;
890 }
891
892 static int
ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data * sdata,struct cfg80211_unsol_bcast_probe_resp * params)893 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
894 struct cfg80211_unsol_bcast_probe_resp *params)
895 {
896 struct unsol_bcast_probe_resp_data *new, *old = NULL;
897
898 if (!params->tmpl || !params->tmpl_len)
899 return -EINVAL;
900
901 old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata);
902 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
903 if (!new)
904 return -ENOMEM;
905 new->len = params->tmpl_len;
906 memcpy(new->data, params->tmpl, params->tmpl_len);
907 rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new);
908
909 if (old)
910 kfree_rcu(old, rcu_head);
911
912 sdata->vif.bss_conf.unsol_bcast_probe_resp_interval =
913 params->interval;
914
915 return 0;
916 }
917
ieee80211_set_ftm_responder_params(struct ieee80211_sub_if_data * sdata,const u8 * lci,size_t lci_len,const u8 * civicloc,size_t civicloc_len)918 static int ieee80211_set_ftm_responder_params(
919 struct ieee80211_sub_if_data *sdata,
920 const u8 *lci, size_t lci_len,
921 const u8 *civicloc, size_t civicloc_len)
922 {
923 struct ieee80211_ftm_responder_params *new, *old;
924 struct ieee80211_bss_conf *bss_conf;
925 u8 *pos;
926 int len;
927
928 if (!lci_len && !civicloc_len)
929 return 0;
930
931 bss_conf = &sdata->vif.bss_conf;
932 old = bss_conf->ftmr_params;
933 len = lci_len + civicloc_len;
934
935 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
936 if (!new)
937 return -ENOMEM;
938
939 pos = (u8 *)(new + 1);
940 if (lci_len) {
941 new->lci_len = lci_len;
942 new->lci = pos;
943 memcpy(pos, lci, lci_len);
944 pos += lci_len;
945 }
946
947 if (civicloc_len) {
948 new->civicloc_len = civicloc_len;
949 new->civicloc = pos;
950 memcpy(pos, civicloc, civicloc_len);
951 pos += civicloc_len;
952 }
953
954 bss_conf->ftmr_params = new;
955 kfree(old);
956
957 return 0;
958 }
959
ieee80211_assign_beacon(struct ieee80211_sub_if_data * sdata,struct cfg80211_beacon_data * params,const struct ieee80211_csa_settings * csa,const struct ieee80211_color_change_settings * cca)960 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
961 struct cfg80211_beacon_data *params,
962 const struct ieee80211_csa_settings *csa,
963 const struct ieee80211_color_change_settings *cca)
964 {
965 struct beacon_data *new, *old;
966 int new_head_len, new_tail_len;
967 int size, err;
968 u32 changed = BSS_CHANGED_BEACON;
969
970 old = sdata_dereference(sdata->u.ap.beacon, sdata);
971
972
973 /* Need to have a beacon head if we don't have one yet */
974 if (!params->head && !old)
975 return -EINVAL;
976
977 /* new or old head? */
978 if (params->head)
979 new_head_len = params->head_len;
980 else
981 new_head_len = old->head_len;
982
983 /* new or old tail? */
984 if (params->tail || !old)
985 /* params->tail_len will be zero for !params->tail */
986 new_tail_len = params->tail_len;
987 else
988 new_tail_len = old->tail_len;
989
990 size = sizeof(*new) + new_head_len + new_tail_len;
991
992 new = kzalloc(size, GFP_KERNEL);
993 if (!new)
994 return -ENOMEM;
995
996 /* start filling the new info now */
997
998 /*
999 * pointers go into the block we allocated,
1000 * memory is | beacon_data | head | tail |
1001 */
1002 new->head = ((u8 *) new) + sizeof(*new);
1003 new->tail = new->head + new_head_len;
1004 new->head_len = new_head_len;
1005 new->tail_len = new_tail_len;
1006
1007 if (csa) {
1008 new->cntdwn_current_counter = csa->count;
1009 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
1010 csa->n_counter_offsets_beacon *
1011 sizeof(new->cntdwn_counter_offsets[0]));
1012 } else if (cca) {
1013 new->cntdwn_current_counter = cca->count;
1014 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon;
1015 }
1016
1017 /* copy in head */
1018 if (params->head)
1019 memcpy(new->head, params->head, new_head_len);
1020 else
1021 memcpy(new->head, old->head, new_head_len);
1022
1023 /* copy in optional tail */
1024 if (params->tail)
1025 memcpy(new->tail, params->tail, new_tail_len);
1026 else
1027 if (old)
1028 memcpy(new->tail, old->tail, new_tail_len);
1029
1030 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1031 params->probe_resp_len, csa, cca);
1032 if (err < 0) {
1033 kfree(new);
1034 return err;
1035 }
1036 if (err == 0)
1037 changed |= BSS_CHANGED_AP_PROBE_RESP;
1038
1039 if (params->ftm_responder != -1) {
1040 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
1041 err = ieee80211_set_ftm_responder_params(sdata,
1042 params->lci,
1043 params->lci_len,
1044 params->civicloc,
1045 params->civicloc_len);
1046
1047 if (err < 0) {
1048 kfree(new);
1049 return err;
1050 }
1051
1052 changed |= BSS_CHANGED_FTM_RESPONDER;
1053 }
1054
1055 rcu_assign_pointer(sdata->u.ap.beacon, new);
1056
1057 if (old)
1058 kfree_rcu(old, rcu_head);
1059
1060 return changed;
1061 }
1062
ieee80211_start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * params)1063 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1064 struct cfg80211_ap_settings *params)
1065 {
1066 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1067 struct ieee80211_local *local = sdata->local;
1068 struct beacon_data *old;
1069 struct ieee80211_sub_if_data *vlan;
1070 u32 changed = BSS_CHANGED_BEACON_INT |
1071 BSS_CHANGED_BEACON_ENABLED |
1072 BSS_CHANGED_BEACON |
1073 BSS_CHANGED_SSID |
1074 BSS_CHANGED_P2P_PS |
1075 BSS_CHANGED_TXPOWER |
1076 BSS_CHANGED_TWT;
1077 int i, err;
1078 int prev_beacon_int;
1079
1080 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1081 if (old)
1082 return -EALREADY;
1083
1084 if (params->smps_mode != NL80211_SMPS_OFF)
1085 return -ENOTSUPP;
1086
1087 sdata->smps_mode = IEEE80211_SMPS_OFF;
1088
1089 sdata->needed_rx_chains = sdata->local->rx_chains;
1090
1091 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1092 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1093
1094 if (params->he_cap && params->he_oper) {
1095 sdata->vif.bss_conf.he_support = true;
1096 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1097 le32_get_bits(params->he_oper->he_oper_params,
1098 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1099 sdata->vif.bss_conf.frame_time_rts_th =
1100 le32_get_bits(params->he_oper->he_oper_params,
1101 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1102 changed |= BSS_CHANGED_HE_OBSS_PD;
1103
1104 if (params->he_bss_color.enabled)
1105 changed |= BSS_CHANGED_HE_BSS_COLOR;
1106 }
1107
1108 mutex_lock(&local->mtx);
1109 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1110 IEEE80211_CHANCTX_SHARED);
1111 if (!err)
1112 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1113 mutex_unlock(&local->mtx);
1114 if (err) {
1115 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1116 return err;
1117 }
1118
1119 /*
1120 * Apply control port protocol, this allows us to
1121 * not encrypt dynamic WEP control frames.
1122 */
1123 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1124 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1125 sdata->control_port_over_nl80211 =
1126 params->crypto.control_port_over_nl80211;
1127 sdata->control_port_no_preauth =
1128 params->crypto.control_port_no_preauth;
1129 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1130 ¶ms->crypto,
1131 sdata->vif.type);
1132
1133 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1134 vlan->control_port_protocol =
1135 params->crypto.control_port_ethertype;
1136 vlan->control_port_no_encrypt =
1137 params->crypto.control_port_no_encrypt;
1138 vlan->control_port_over_nl80211 =
1139 params->crypto.control_port_over_nl80211;
1140 vlan->control_port_no_preauth =
1141 params->crypto.control_port_no_preauth;
1142 vlan->encrypt_headroom =
1143 ieee80211_cs_headroom(sdata->local,
1144 ¶ms->crypto,
1145 vlan->vif.type);
1146 }
1147
1148 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1149 sdata->vif.bss_conf.enable_beacon = true;
1150 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1151 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1152 sdata->vif.bss_conf.he_obss_pd = params->he_obss_pd;
1153 sdata->vif.bss_conf.he_bss_color = params->he_bss_color;
1154 sdata->vif.bss_conf.s1g = params->chandef.chan->band ==
1155 NL80211_BAND_S1GHZ;
1156
1157 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1158 if (params->ssid_len)
1159 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1160 params->ssid_len);
1161 sdata->vif.bss_conf.hidden_ssid =
1162 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1163
1164 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1165 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1166 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1167 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1168 if (params->p2p_opp_ps)
1169 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1170 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1171
1172 sdata->beacon_rate_set = false;
1173 if (wiphy_ext_feature_isset(local->hw.wiphy,
1174 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1175 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1176 sdata->beacon_rateidx_mask[i] =
1177 params->beacon_rate.control[i].legacy;
1178 if (sdata->beacon_rateidx_mask[i])
1179 sdata->beacon_rate_set = true;
1180 }
1181 }
1182
1183 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1184 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate;
1185
1186 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL, NULL);
1187 if (err < 0)
1188 goto error;
1189 changed |= err;
1190
1191 if (params->fils_discovery.max_interval) {
1192 err = ieee80211_set_fils_discovery(sdata,
1193 ¶ms->fils_discovery);
1194 if (err < 0)
1195 goto error;
1196 changed |= BSS_CHANGED_FILS_DISCOVERY;
1197 }
1198
1199 if (params->unsol_bcast_probe_resp.interval) {
1200 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1201 ¶ms->unsol_bcast_probe_resp);
1202 if (err < 0)
1203 goto error;
1204 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1205 }
1206
1207 err = drv_start_ap(sdata->local, sdata);
1208 if (err) {
1209 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1210
1211 if (old)
1212 kfree_rcu(old, rcu_head);
1213 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1214 goto error;
1215 }
1216
1217 ieee80211_recalc_dtim(local, sdata);
1218 ieee80211_bss_info_change_notify(sdata, changed);
1219
1220 netif_carrier_on(dev);
1221 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1222 netif_carrier_on(vlan->dev);
1223
1224 return 0;
1225
1226 error:
1227 ieee80211_vif_release_channel(sdata);
1228 return err;
1229 }
1230
ieee80211_change_beacon(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_beacon_data * params)1231 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1232 struct cfg80211_beacon_data *params)
1233 {
1234 struct ieee80211_sub_if_data *sdata;
1235 struct beacon_data *old;
1236 int err;
1237
1238 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1239 sdata_assert_lock(sdata);
1240
1241 /* don't allow changing the beacon while a countdown is in place - offset
1242 * of channel switch counter may change
1243 */
1244 if (sdata->vif.csa_active || sdata->vif.color_change_active)
1245 return -EBUSY;
1246
1247 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1248 if (!old)
1249 return -ENOENT;
1250
1251 err = ieee80211_assign_beacon(sdata, params, NULL, NULL);
1252 if (err < 0)
1253 return err;
1254 ieee80211_bss_info_change_notify(sdata, err);
1255 return 0;
1256 }
1257
ieee80211_stop_ap(struct wiphy * wiphy,struct net_device * dev)1258 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1259 {
1260 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1261 struct ieee80211_sub_if_data *vlan;
1262 struct ieee80211_local *local = sdata->local;
1263 struct beacon_data *old_beacon;
1264 struct probe_resp *old_probe_resp;
1265 struct fils_discovery_data *old_fils_discovery;
1266 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1267 struct cfg80211_chan_def chandef;
1268
1269 sdata_assert_lock(sdata);
1270
1271 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1272 if (!old_beacon)
1273 return -ENOENT;
1274 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1275 old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery,
1276 sdata);
1277 old_unsol_bcast_probe_resp =
1278 sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp,
1279 sdata);
1280
1281 /* abort any running channel switch */
1282 mutex_lock(&local->mtx);
1283 sdata->vif.csa_active = false;
1284 if (sdata->csa_block_tx) {
1285 ieee80211_wake_vif_queues(local, sdata,
1286 IEEE80211_QUEUE_STOP_REASON_CSA);
1287 sdata->csa_block_tx = false;
1288 }
1289
1290 mutex_unlock(&local->mtx);
1291
1292 kfree(sdata->u.ap.next_beacon);
1293 sdata->u.ap.next_beacon = NULL;
1294
1295 /* turn off carrier for this interface and dependent VLANs */
1296 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1297 netif_carrier_off(vlan->dev);
1298 netif_carrier_off(dev);
1299
1300 /* remove beacon and probe response */
1301 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1302 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1303 RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL);
1304 RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL);
1305 kfree_rcu(old_beacon, rcu_head);
1306 if (old_probe_resp)
1307 kfree_rcu(old_probe_resp, rcu_head);
1308 if (old_fils_discovery)
1309 kfree_rcu(old_fils_discovery, rcu_head);
1310 if (old_unsol_bcast_probe_resp)
1311 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1312
1313 kfree(sdata->vif.bss_conf.ftmr_params);
1314 sdata->vif.bss_conf.ftmr_params = NULL;
1315
1316 __sta_info_flush(sdata, true);
1317 ieee80211_free_keys(sdata, true);
1318
1319 sdata->vif.bss_conf.enable_beacon = false;
1320 sdata->beacon_rate_set = false;
1321 sdata->vif.bss_conf.ssid_len = 0;
1322 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1323 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1324
1325 if (sdata->wdev.cac_started) {
1326 chandef = sdata->vif.bss_conf.chandef;
1327 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1328 cfg80211_cac_event(sdata->dev, &chandef,
1329 NL80211_RADAR_CAC_ABORTED,
1330 GFP_KERNEL);
1331 }
1332
1333 drv_stop_ap(sdata->local, sdata);
1334
1335 /* free all potentially still buffered bcast frames */
1336 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1337 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1338
1339 mutex_lock(&local->mtx);
1340 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1341 ieee80211_vif_release_channel(sdata);
1342 mutex_unlock(&local->mtx);
1343
1344 return 0;
1345 }
1346
sta_apply_auth_flags(struct ieee80211_local * local,struct sta_info * sta,u32 mask,u32 set)1347 static int sta_apply_auth_flags(struct ieee80211_local *local,
1348 struct sta_info *sta,
1349 u32 mask, u32 set)
1350 {
1351 int ret;
1352
1353 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1354 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1355 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1356 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
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 /*
1365 * When peer becomes associated, init rate control as
1366 * well. Some drivers require rate control initialized
1367 * before drv_sta_state() is called.
1368 */
1369 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1370 rate_control_rate_init(sta);
1371
1372 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1373 if (ret)
1374 return ret;
1375 }
1376
1377 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1378 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1379 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1380 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1381 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1382 else
1383 ret = 0;
1384 if (ret)
1385 return ret;
1386 }
1387
1388 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1389 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1390 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1391 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1392 if (ret)
1393 return ret;
1394 }
1395
1396 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1397 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1398 test_sta_flag(sta, WLAN_STA_AUTH)) {
1399 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1400 if (ret)
1401 return ret;
1402 }
1403
1404 return 0;
1405 }
1406
sta_apply_mesh_params(struct ieee80211_local * local,struct sta_info * sta,struct station_parameters * params)1407 static void sta_apply_mesh_params(struct ieee80211_local *local,
1408 struct sta_info *sta,
1409 struct station_parameters *params)
1410 {
1411 #ifdef CONFIG_MAC80211_MESH
1412 struct ieee80211_sub_if_data *sdata = sta->sdata;
1413 u32 changed = 0;
1414
1415 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1416 switch (params->plink_state) {
1417 case NL80211_PLINK_ESTAB:
1418 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1419 changed = mesh_plink_inc_estab_count(sdata);
1420 sta->mesh->plink_state = params->plink_state;
1421 sta->mesh->aid = params->peer_aid;
1422
1423 ieee80211_mps_sta_status_update(sta);
1424 changed |= ieee80211_mps_set_sta_local_pm(sta,
1425 sdata->u.mesh.mshcfg.power_mode);
1426
1427 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1428 /* init at low value */
1429 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1430
1431 break;
1432 case NL80211_PLINK_LISTEN:
1433 case NL80211_PLINK_BLOCKED:
1434 case NL80211_PLINK_OPN_SNT:
1435 case NL80211_PLINK_OPN_RCVD:
1436 case NL80211_PLINK_CNF_RCVD:
1437 case NL80211_PLINK_HOLDING:
1438 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1439 changed = mesh_plink_dec_estab_count(sdata);
1440 sta->mesh->plink_state = params->plink_state;
1441
1442 ieee80211_mps_sta_status_update(sta);
1443 changed |= ieee80211_mps_set_sta_local_pm(sta,
1444 NL80211_MESH_POWER_UNKNOWN);
1445 break;
1446 default:
1447 /* nothing */
1448 break;
1449 }
1450 }
1451
1452 switch (params->plink_action) {
1453 case NL80211_PLINK_ACTION_NO_ACTION:
1454 /* nothing */
1455 break;
1456 case NL80211_PLINK_ACTION_OPEN:
1457 changed |= mesh_plink_open(sta);
1458 break;
1459 case NL80211_PLINK_ACTION_BLOCK:
1460 changed |= mesh_plink_block(sta);
1461 break;
1462 }
1463
1464 if (params->local_pm)
1465 changed |= ieee80211_mps_set_sta_local_pm(sta,
1466 params->local_pm);
1467
1468 ieee80211_mbss_info_change_notify(sdata, changed);
1469 #endif
1470 }
1471
sta_apply_airtime_params(struct ieee80211_local * local,struct sta_info * sta,struct station_parameters * params)1472 static void sta_apply_airtime_params(struct ieee80211_local *local,
1473 struct sta_info *sta,
1474 struct station_parameters *params)
1475 {
1476 u8 ac;
1477
1478 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
1479 struct airtime_sched_info *air_sched = &local->airtime[ac];
1480 struct airtime_info *air_info = &sta->airtime[ac];
1481 struct txq_info *txqi;
1482 u8 tid;
1483
1484 spin_lock_bh(&air_sched->lock);
1485 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
1486 if (air_info->weight == params->airtime_weight ||
1487 !sta->sta.txq[tid] ||
1488 ac != ieee80211_ac_from_tid(tid))
1489 continue;
1490
1491 airtime_weight_set(air_info, params->airtime_weight);
1492
1493 txqi = to_txq_info(sta->sta.txq[tid]);
1494 if (RB_EMPTY_NODE(&txqi->schedule_order))
1495 continue;
1496
1497 ieee80211_update_airtime_weight(local, air_sched,
1498 0, true);
1499 }
1500 spin_unlock_bh(&air_sched->lock);
1501 }
1502 }
1503
sta_apply_parameters(struct ieee80211_local * local,struct sta_info * sta,struct station_parameters * params)1504 static int sta_apply_parameters(struct ieee80211_local *local,
1505 struct sta_info *sta,
1506 struct station_parameters *params)
1507 {
1508 int ret = 0;
1509 struct ieee80211_supported_band *sband;
1510 struct ieee80211_sub_if_data *sdata = sta->sdata;
1511 u32 mask, set;
1512
1513 sband = ieee80211_get_sband(sdata);
1514 if (!sband)
1515 return -EINVAL;
1516
1517 mask = params->sta_flags_mask;
1518 set = params->sta_flags_set;
1519
1520 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1521 /*
1522 * In mesh mode, ASSOCIATED isn't part of the nl80211
1523 * API but must follow AUTHENTICATED for driver state.
1524 */
1525 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1526 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1527 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1528 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1529 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1530 /*
1531 * TDLS -- everything follows authorized, but
1532 * only becoming authorized is possible, not
1533 * going back
1534 */
1535 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1536 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1537 BIT(NL80211_STA_FLAG_ASSOCIATED);
1538 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1539 BIT(NL80211_STA_FLAG_ASSOCIATED);
1540 }
1541 }
1542
1543 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1544 local->hw.queues >= IEEE80211_NUM_ACS)
1545 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1546
1547 /* auth flags will be set later for TDLS,
1548 * and for unassociated stations that move to associated */
1549 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1550 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1551 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1552 ret = sta_apply_auth_flags(local, sta, mask, set);
1553 if (ret)
1554 return ret;
1555 }
1556
1557 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1558 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1559 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1560 else
1561 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1562 }
1563
1564 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1565 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1566 if (set & BIT(NL80211_STA_FLAG_MFP))
1567 set_sta_flag(sta, WLAN_STA_MFP);
1568 else
1569 clear_sta_flag(sta, WLAN_STA_MFP);
1570 }
1571
1572 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1573 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1574 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1575 else
1576 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1577 }
1578
1579 /* mark TDLS channel switch support, if the AP allows it */
1580 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1581 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1582 params->ext_capab_len >= 4 &&
1583 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1584 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1585
1586 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1587 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1588 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1589 params->ext_capab_len >= 8 &&
1590 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1591 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1592
1593 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1594 sta->sta.uapsd_queues = params->uapsd_queues;
1595 sta->sta.max_sp = params->max_sp;
1596 }
1597
1598 /* The sender might not have sent the last bit, consider it to be 0 */
1599 if (params->ext_capab_len >= 8) {
1600 u8 val = (params->ext_capab[7] &
1601 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1602
1603 /* we did get all the bits, take the MSB as well */
1604 if (params->ext_capab_len >= 9) {
1605 u8 val_msb = params->ext_capab[8] &
1606 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1607 val_msb <<= 1;
1608 val |= val_msb;
1609 }
1610
1611 switch (val) {
1612 case 1:
1613 sta->sta.max_amsdu_subframes = 32;
1614 break;
1615 case 2:
1616 sta->sta.max_amsdu_subframes = 16;
1617 break;
1618 case 3:
1619 sta->sta.max_amsdu_subframes = 8;
1620 break;
1621 default:
1622 sta->sta.max_amsdu_subframes = 0;
1623 }
1624 }
1625
1626 /*
1627 * cfg80211 validates this (1-2007) and allows setting the AID
1628 * only when creating a new station entry
1629 */
1630 if (params->aid)
1631 sta->sta.aid = params->aid;
1632
1633 /*
1634 * Some of the following updates would be racy if called on an
1635 * existing station, via ieee80211_change_station(). However,
1636 * all such changes are rejected by cfg80211 except for updates
1637 * changing the supported rates on an existing but not yet used
1638 * TDLS peer.
1639 */
1640
1641 if (params->listen_interval >= 0)
1642 sta->listen_interval = params->listen_interval;
1643
1644 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1645 sta->sta.txpwr.type = params->txpwr.type;
1646 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1647 sta->sta.txpwr.power = params->txpwr.power;
1648 ret = drv_sta_set_txpwr(local, sdata, sta);
1649 if (ret)
1650 return ret;
1651 }
1652
1653 if (params->supported_rates && params->supported_rates_len) {
1654 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1655 sband, params->supported_rates,
1656 params->supported_rates_len,
1657 &sta->sta.supp_rates[sband->band]);
1658 }
1659
1660 if (params->ht_capa)
1661 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1662 params->ht_capa, sta);
1663
1664 /* VHT can override some HT caps such as the A-MSDU max length */
1665 if (params->vht_capa)
1666 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1667 params->vht_capa, sta);
1668
1669 if (params->he_capa)
1670 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1671 (void *)params->he_capa,
1672 params->he_capa_len,
1673 (void *)params->he_6ghz_capa,
1674 sta);
1675
1676 if (params->opmode_notif_used) {
1677 /* returned value is only needed for rc update, but the
1678 * rc isn't initialized here yet, so ignore it
1679 */
1680 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1681 sband->band);
1682 }
1683
1684 if (params->support_p2p_ps >= 0)
1685 sta->sta.support_p2p_ps = params->support_p2p_ps;
1686
1687 if (ieee80211_vif_is_mesh(&sdata->vif))
1688 sta_apply_mesh_params(local, sta, params);
1689
1690 if (params->airtime_weight)
1691 sta_apply_airtime_params(local, sta, params);
1692
1693
1694 /* set the STA state after all sta info from usermode has been set */
1695 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1696 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1697 ret = sta_apply_auth_flags(local, sta, mask, set);
1698 if (ret)
1699 return ret;
1700 }
1701
1702 return 0;
1703 }
1704
ieee80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)1705 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1706 const u8 *mac,
1707 struct station_parameters *params)
1708 {
1709 struct ieee80211_local *local = wiphy_priv(wiphy);
1710 struct sta_info *sta;
1711 struct ieee80211_sub_if_data *sdata;
1712 int err;
1713
1714 if (params->vlan) {
1715 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1716
1717 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1718 sdata->vif.type != NL80211_IFTYPE_AP)
1719 return -EINVAL;
1720 } else
1721 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1722
1723 if (ether_addr_equal(mac, sdata->vif.addr))
1724 return -EINVAL;
1725
1726 if (!is_valid_ether_addr(mac))
1727 return -EINVAL;
1728
1729 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1730 sdata->vif.type == NL80211_IFTYPE_STATION &&
1731 !sdata->u.mgd.associated)
1732 return -EINVAL;
1733
1734 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1735 if (!sta)
1736 return -ENOMEM;
1737
1738 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1739 sta->sta.tdls = true;
1740
1741 err = sta_apply_parameters(local, sta, params);
1742 if (err) {
1743 sta_info_free(local, sta);
1744 return err;
1745 }
1746
1747 /*
1748 * for TDLS and for unassociated station, rate control should be
1749 * initialized only when rates are known and station is marked
1750 * authorized/associated
1751 */
1752 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1753 test_sta_flag(sta, WLAN_STA_ASSOC))
1754 rate_control_rate_init(sta);
1755
1756 return sta_info_insert(sta);
1757 }
1758
ieee80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1759 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1760 struct station_del_parameters *params)
1761 {
1762 struct ieee80211_sub_if_data *sdata;
1763
1764 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1765
1766 if (params->mac)
1767 return sta_info_destroy_addr_bss(sdata, params->mac);
1768
1769 sta_info_flush(sdata);
1770 return 0;
1771 }
1772
ieee80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)1773 static int ieee80211_change_station(struct wiphy *wiphy,
1774 struct net_device *dev, const u8 *mac,
1775 struct station_parameters *params)
1776 {
1777 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1778 struct ieee80211_local *local = wiphy_priv(wiphy);
1779 struct sta_info *sta;
1780 struct ieee80211_sub_if_data *vlansdata;
1781 enum cfg80211_station_type statype;
1782 int err;
1783
1784 mutex_lock(&local->sta_mtx);
1785
1786 sta = sta_info_get_bss(sdata, mac);
1787 if (!sta) {
1788 err = -ENOENT;
1789 goto out_err;
1790 }
1791
1792 switch (sdata->vif.type) {
1793 case NL80211_IFTYPE_MESH_POINT:
1794 if (sdata->u.mesh.user_mpm)
1795 statype = CFG80211_STA_MESH_PEER_USER;
1796 else
1797 statype = CFG80211_STA_MESH_PEER_KERNEL;
1798 break;
1799 case NL80211_IFTYPE_ADHOC:
1800 statype = CFG80211_STA_IBSS;
1801 break;
1802 case NL80211_IFTYPE_STATION:
1803 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1804 statype = CFG80211_STA_AP_STA;
1805 break;
1806 }
1807 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1808 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1809 else
1810 statype = CFG80211_STA_TDLS_PEER_SETUP;
1811 break;
1812 case NL80211_IFTYPE_AP:
1813 case NL80211_IFTYPE_AP_VLAN:
1814 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1815 statype = CFG80211_STA_AP_CLIENT;
1816 else
1817 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1818 break;
1819 default:
1820 err = -EOPNOTSUPP;
1821 goto out_err;
1822 }
1823
1824 err = cfg80211_check_station_change(wiphy, params, statype);
1825 if (err)
1826 goto out_err;
1827
1828 if (params->vlan && params->vlan != sta->sdata->dev) {
1829 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1830
1831 if (params->vlan->ieee80211_ptr->use_4addr) {
1832 if (vlansdata->u.vlan.sta) {
1833 err = -EBUSY;
1834 goto out_err;
1835 }
1836
1837 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1838 __ieee80211_check_fast_rx_iface(vlansdata);
1839 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1840 }
1841
1842 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1843 sta->sdata->u.vlan.sta) {
1844 ieee80211_clear_fast_rx(sta);
1845 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1846 }
1847
1848 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1849 ieee80211_vif_dec_num_mcast(sta->sdata);
1850
1851 sta->sdata = vlansdata;
1852 ieee80211_check_fast_xmit(sta);
1853
1854 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1855 ieee80211_vif_inc_num_mcast(sta->sdata);
1856 cfg80211_send_layer2_update(sta->sdata->dev,
1857 sta->sta.addr);
1858 }
1859 }
1860
1861 err = sta_apply_parameters(local, sta, params);
1862 if (err)
1863 goto out_err;
1864
1865 mutex_unlock(&local->sta_mtx);
1866
1867 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1868 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1869 ieee80211_recalc_ps(local);
1870 ieee80211_recalc_ps_vif(sdata);
1871 }
1872
1873 return 0;
1874 out_err:
1875 mutex_unlock(&local->sta_mtx);
1876 return err;
1877 }
1878
1879 #ifdef CONFIG_MAC80211_MESH
ieee80211_add_mpath(struct wiphy * wiphy,struct net_device * dev,const u8 * dst,const u8 * next_hop)1880 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1881 const u8 *dst, const u8 *next_hop)
1882 {
1883 struct ieee80211_sub_if_data *sdata;
1884 struct mesh_path *mpath;
1885 struct sta_info *sta;
1886
1887 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1888
1889 rcu_read_lock();
1890 sta = sta_info_get(sdata, next_hop);
1891 if (!sta) {
1892 rcu_read_unlock();
1893 return -ENOENT;
1894 }
1895
1896 mpath = mesh_path_add(sdata, dst);
1897 if (IS_ERR(mpath)) {
1898 rcu_read_unlock();
1899 return PTR_ERR(mpath);
1900 }
1901
1902 mesh_path_fix_nexthop(mpath, sta);
1903
1904 rcu_read_unlock();
1905 return 0;
1906 }
1907
ieee80211_del_mpath(struct wiphy * wiphy,struct net_device * dev,const u8 * dst)1908 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1909 const u8 *dst)
1910 {
1911 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1912
1913 if (dst)
1914 return mesh_path_del(sdata, dst);
1915
1916 mesh_path_flush_by_iface(sdata);
1917 return 0;
1918 }
1919
ieee80211_change_mpath(struct wiphy * wiphy,struct net_device * dev,const u8 * dst,const u8 * next_hop)1920 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1921 const u8 *dst, const u8 *next_hop)
1922 {
1923 struct ieee80211_sub_if_data *sdata;
1924 struct mesh_path *mpath;
1925 struct sta_info *sta;
1926
1927 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1928
1929 rcu_read_lock();
1930
1931 sta = sta_info_get(sdata, next_hop);
1932 if (!sta) {
1933 rcu_read_unlock();
1934 return -ENOENT;
1935 }
1936
1937 mpath = mesh_path_lookup(sdata, dst);
1938 if (!mpath) {
1939 rcu_read_unlock();
1940 return -ENOENT;
1941 }
1942
1943 mesh_path_fix_nexthop(mpath, sta);
1944
1945 rcu_read_unlock();
1946 return 0;
1947 }
1948
mpath_set_pinfo(struct mesh_path * mpath,u8 * next_hop,struct mpath_info * pinfo)1949 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1950 struct mpath_info *pinfo)
1951 {
1952 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1953
1954 if (next_hop_sta)
1955 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1956 else
1957 eth_zero_addr(next_hop);
1958
1959 memset(pinfo, 0, sizeof(*pinfo));
1960
1961 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1962
1963 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1964 MPATH_INFO_SN |
1965 MPATH_INFO_METRIC |
1966 MPATH_INFO_EXPTIME |
1967 MPATH_INFO_DISCOVERY_TIMEOUT |
1968 MPATH_INFO_DISCOVERY_RETRIES |
1969 MPATH_INFO_FLAGS |
1970 MPATH_INFO_HOP_COUNT |
1971 MPATH_INFO_PATH_CHANGE;
1972
1973 pinfo->frame_qlen = mpath->frame_queue.qlen;
1974 pinfo->sn = mpath->sn;
1975 pinfo->metric = mpath->metric;
1976 if (time_before(jiffies, mpath->exp_time))
1977 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1978 pinfo->discovery_timeout =
1979 jiffies_to_msecs(mpath->discovery_timeout);
1980 pinfo->discovery_retries = mpath->discovery_retries;
1981 if (mpath->flags & MESH_PATH_ACTIVE)
1982 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1983 if (mpath->flags & MESH_PATH_RESOLVING)
1984 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1985 if (mpath->flags & MESH_PATH_SN_VALID)
1986 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1987 if (mpath->flags & MESH_PATH_FIXED)
1988 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1989 if (mpath->flags & MESH_PATH_RESOLVED)
1990 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1991 pinfo->hop_count = mpath->hop_count;
1992 pinfo->path_change_count = mpath->path_change_count;
1993 }
1994
ieee80211_get_mpath(struct wiphy * wiphy,struct net_device * dev,u8 * dst,u8 * next_hop,struct mpath_info * pinfo)1995 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1996 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1997
1998 {
1999 struct ieee80211_sub_if_data *sdata;
2000 struct mesh_path *mpath;
2001
2002 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2003
2004 rcu_read_lock();
2005 mpath = mesh_path_lookup(sdata, dst);
2006 if (!mpath) {
2007 rcu_read_unlock();
2008 return -ENOENT;
2009 }
2010 memcpy(dst, mpath->dst, ETH_ALEN);
2011 mpath_set_pinfo(mpath, next_hop, pinfo);
2012 rcu_read_unlock();
2013 return 0;
2014 }
2015
ieee80211_dump_mpath(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * dst,u8 * next_hop,struct mpath_info * pinfo)2016 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
2017 int idx, u8 *dst, u8 *next_hop,
2018 struct mpath_info *pinfo)
2019 {
2020 struct ieee80211_sub_if_data *sdata;
2021 struct mesh_path *mpath;
2022
2023 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2024
2025 rcu_read_lock();
2026 mpath = mesh_path_lookup_by_idx(sdata, idx);
2027 if (!mpath) {
2028 rcu_read_unlock();
2029 return -ENOENT;
2030 }
2031 memcpy(dst, mpath->dst, ETH_ALEN);
2032 mpath_set_pinfo(mpath, next_hop, pinfo);
2033 rcu_read_unlock();
2034 return 0;
2035 }
2036
mpp_set_pinfo(struct mesh_path * mpath,u8 * mpp,struct mpath_info * pinfo)2037 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2038 struct mpath_info *pinfo)
2039 {
2040 memset(pinfo, 0, sizeof(*pinfo));
2041 memcpy(mpp, mpath->mpp, ETH_ALEN);
2042
2043 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2044 }
2045
ieee80211_get_mpp(struct wiphy * wiphy,struct net_device * dev,u8 * dst,u8 * mpp,struct mpath_info * pinfo)2046 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2047 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2048
2049 {
2050 struct ieee80211_sub_if_data *sdata;
2051 struct mesh_path *mpath;
2052
2053 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2054
2055 rcu_read_lock();
2056 mpath = mpp_path_lookup(sdata, dst);
2057 if (!mpath) {
2058 rcu_read_unlock();
2059 return -ENOENT;
2060 }
2061 memcpy(dst, mpath->dst, ETH_ALEN);
2062 mpp_set_pinfo(mpath, mpp, pinfo);
2063 rcu_read_unlock();
2064 return 0;
2065 }
2066
ieee80211_dump_mpp(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * dst,u8 * mpp,struct mpath_info * pinfo)2067 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2068 int idx, u8 *dst, u8 *mpp,
2069 struct mpath_info *pinfo)
2070 {
2071 struct ieee80211_sub_if_data *sdata;
2072 struct mesh_path *mpath;
2073
2074 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2075
2076 rcu_read_lock();
2077 mpath = mpp_path_lookup_by_idx(sdata, idx);
2078 if (!mpath) {
2079 rcu_read_unlock();
2080 return -ENOENT;
2081 }
2082 memcpy(dst, mpath->dst, ETH_ALEN);
2083 mpp_set_pinfo(mpath, mpp, pinfo);
2084 rcu_read_unlock();
2085 return 0;
2086 }
2087
ieee80211_get_mesh_config(struct wiphy * wiphy,struct net_device * dev,struct mesh_config * conf)2088 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2089 struct net_device *dev,
2090 struct mesh_config *conf)
2091 {
2092 struct ieee80211_sub_if_data *sdata;
2093 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2094
2095 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2096 return 0;
2097 }
2098
_chg_mesh_attr(enum nl80211_meshconf_params parm,u32 mask)2099 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2100 {
2101 return (mask >> (parm-1)) & 0x1;
2102 }
2103
copy_mesh_setup(struct ieee80211_if_mesh * ifmsh,const struct mesh_setup * setup)2104 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2105 const struct mesh_setup *setup)
2106 {
2107 u8 *new_ie;
2108 const u8 *old_ie;
2109 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2110 struct ieee80211_sub_if_data, u.mesh);
2111 int i;
2112
2113 /* allocate information elements */
2114 new_ie = NULL;
2115 old_ie = ifmsh->ie;
2116
2117 if (setup->ie_len) {
2118 new_ie = kmemdup(setup->ie, setup->ie_len,
2119 GFP_KERNEL);
2120 if (!new_ie)
2121 return -ENOMEM;
2122 }
2123 ifmsh->ie_len = setup->ie_len;
2124 ifmsh->ie = new_ie;
2125 kfree(old_ie);
2126
2127 /* now copy the rest of the setup parameters */
2128 ifmsh->mesh_id_len = setup->mesh_id_len;
2129 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2130 ifmsh->mesh_sp_id = setup->sync_method;
2131 ifmsh->mesh_pp_id = setup->path_sel_proto;
2132 ifmsh->mesh_pm_id = setup->path_metric;
2133 ifmsh->user_mpm = setup->user_mpm;
2134 ifmsh->mesh_auth_id = setup->auth_id;
2135 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2136 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2137 if (setup->is_authenticated)
2138 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2139 if (setup->is_secure)
2140 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2141
2142 /* mcast rate setting in Mesh Node */
2143 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2144 sizeof(setup->mcast_rate));
2145 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2146
2147 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2148 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2149
2150 sdata->beacon_rate_set = false;
2151 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2152 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2153 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2154 sdata->beacon_rateidx_mask[i] =
2155 setup->beacon_rate.control[i].legacy;
2156 if (sdata->beacon_rateidx_mask[i])
2157 sdata->beacon_rate_set = true;
2158 }
2159 }
2160
2161 return 0;
2162 }
2163
ieee80211_update_mesh_config(struct wiphy * wiphy,struct net_device * dev,u32 mask,const struct mesh_config * nconf)2164 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2165 struct net_device *dev, u32 mask,
2166 const struct mesh_config *nconf)
2167 {
2168 struct mesh_config *conf;
2169 struct ieee80211_sub_if_data *sdata;
2170 struct ieee80211_if_mesh *ifmsh;
2171
2172 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2173 ifmsh = &sdata->u.mesh;
2174
2175 /* Set the config options which we are interested in setting */
2176 conf = &(sdata->u.mesh.mshcfg);
2177 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2178 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2179 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2180 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2181 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2182 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2183 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2184 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2185 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2186 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2187 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2188 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2189 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2190 conf->element_ttl = nconf->element_ttl;
2191 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2192 if (ifmsh->user_mpm)
2193 return -EBUSY;
2194 conf->auto_open_plinks = nconf->auto_open_plinks;
2195 }
2196 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2197 conf->dot11MeshNbrOffsetMaxNeighbor =
2198 nconf->dot11MeshNbrOffsetMaxNeighbor;
2199 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2200 conf->dot11MeshHWMPmaxPREQretries =
2201 nconf->dot11MeshHWMPmaxPREQretries;
2202 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2203 conf->path_refresh_time = nconf->path_refresh_time;
2204 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2205 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2206 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2207 conf->dot11MeshHWMPactivePathTimeout =
2208 nconf->dot11MeshHWMPactivePathTimeout;
2209 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2210 conf->dot11MeshHWMPpreqMinInterval =
2211 nconf->dot11MeshHWMPpreqMinInterval;
2212 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2213 conf->dot11MeshHWMPperrMinInterval =
2214 nconf->dot11MeshHWMPperrMinInterval;
2215 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2216 mask))
2217 conf->dot11MeshHWMPnetDiameterTraversalTime =
2218 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2219 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2220 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2221 ieee80211_mesh_root_setup(ifmsh);
2222 }
2223 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2224 /* our current gate announcement implementation rides on root
2225 * announcements, so require this ifmsh to also be a root node
2226 * */
2227 if (nconf->dot11MeshGateAnnouncementProtocol &&
2228 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2229 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2230 ieee80211_mesh_root_setup(ifmsh);
2231 }
2232 conf->dot11MeshGateAnnouncementProtocol =
2233 nconf->dot11MeshGateAnnouncementProtocol;
2234 }
2235 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2236 conf->dot11MeshHWMPRannInterval =
2237 nconf->dot11MeshHWMPRannInterval;
2238 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2239 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2240 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2241 /* our RSSI threshold implementation is supported only for
2242 * devices that report signal in dBm.
2243 */
2244 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2245 return -ENOTSUPP;
2246 conf->rssi_threshold = nconf->rssi_threshold;
2247 }
2248 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2249 conf->ht_opmode = nconf->ht_opmode;
2250 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2251 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2252 }
2253 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2254 conf->dot11MeshHWMPactivePathToRootTimeout =
2255 nconf->dot11MeshHWMPactivePathToRootTimeout;
2256 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2257 conf->dot11MeshHWMProotInterval =
2258 nconf->dot11MeshHWMProotInterval;
2259 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2260 conf->dot11MeshHWMPconfirmationInterval =
2261 nconf->dot11MeshHWMPconfirmationInterval;
2262 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2263 conf->power_mode = nconf->power_mode;
2264 ieee80211_mps_local_status_update(sdata);
2265 }
2266 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2267 conf->dot11MeshAwakeWindowDuration =
2268 nconf->dot11MeshAwakeWindowDuration;
2269 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2270 conf->plink_timeout = nconf->plink_timeout;
2271 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2272 conf->dot11MeshConnectedToMeshGate =
2273 nconf->dot11MeshConnectedToMeshGate;
2274 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2275 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2276 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2277 conf->dot11MeshConnectedToAuthServer =
2278 nconf->dot11MeshConnectedToAuthServer;
2279 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2280 return 0;
2281 }
2282
ieee80211_join_mesh(struct wiphy * wiphy,struct net_device * dev,const struct mesh_config * conf,const struct mesh_setup * setup)2283 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2284 const struct mesh_config *conf,
2285 const struct mesh_setup *setup)
2286 {
2287 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2288 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2289 int err;
2290
2291 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2292 err = copy_mesh_setup(ifmsh, setup);
2293 if (err)
2294 return err;
2295
2296 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2297
2298 /* can mesh use other SMPS modes? */
2299 sdata->smps_mode = IEEE80211_SMPS_OFF;
2300 sdata->needed_rx_chains = sdata->local->rx_chains;
2301
2302 mutex_lock(&sdata->local->mtx);
2303 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2304 IEEE80211_CHANCTX_SHARED);
2305 mutex_unlock(&sdata->local->mtx);
2306 if (err)
2307 return err;
2308
2309 return ieee80211_start_mesh(sdata);
2310 }
2311
ieee80211_leave_mesh(struct wiphy * wiphy,struct net_device * dev)2312 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2313 {
2314 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2315
2316 ieee80211_stop_mesh(sdata);
2317 mutex_lock(&sdata->local->mtx);
2318 ieee80211_vif_release_channel(sdata);
2319 kfree(sdata->u.mesh.ie);
2320 mutex_unlock(&sdata->local->mtx);
2321
2322 return 0;
2323 }
2324 #endif
2325
ieee80211_change_bss(struct wiphy * wiphy,struct net_device * dev,struct bss_parameters * params)2326 static int ieee80211_change_bss(struct wiphy *wiphy,
2327 struct net_device *dev,
2328 struct bss_parameters *params)
2329 {
2330 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2331 struct ieee80211_supported_band *sband;
2332 u32 changed = 0;
2333
2334 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2335 return -ENOENT;
2336
2337 sband = ieee80211_get_sband(sdata);
2338 if (!sband)
2339 return -EINVAL;
2340
2341 if (params->use_cts_prot >= 0) {
2342 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2343 changed |= BSS_CHANGED_ERP_CTS_PROT;
2344 }
2345 if (params->use_short_preamble >= 0) {
2346 sdata->vif.bss_conf.use_short_preamble =
2347 params->use_short_preamble;
2348 changed |= BSS_CHANGED_ERP_PREAMBLE;
2349 }
2350
2351 if (!sdata->vif.bss_conf.use_short_slot &&
2352 (sband->band == NL80211_BAND_5GHZ ||
2353 sband->band == NL80211_BAND_6GHZ)) {
2354 sdata->vif.bss_conf.use_short_slot = true;
2355 changed |= BSS_CHANGED_ERP_SLOT;
2356 }
2357
2358 if (params->use_short_slot_time >= 0) {
2359 sdata->vif.bss_conf.use_short_slot =
2360 params->use_short_slot_time;
2361 changed |= BSS_CHANGED_ERP_SLOT;
2362 }
2363
2364 if (params->basic_rates) {
2365 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2366 wiphy->bands[sband->band],
2367 params->basic_rates,
2368 params->basic_rates_len,
2369 &sdata->vif.bss_conf.basic_rates);
2370 changed |= BSS_CHANGED_BASIC_RATES;
2371 ieee80211_check_rate_mask(sdata);
2372 }
2373
2374 if (params->ap_isolate >= 0) {
2375 if (params->ap_isolate)
2376 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2377 else
2378 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2379 ieee80211_check_fast_rx_iface(sdata);
2380 }
2381
2382 if (params->ht_opmode >= 0) {
2383 sdata->vif.bss_conf.ht_operation_mode =
2384 (u16) params->ht_opmode;
2385 changed |= BSS_CHANGED_HT;
2386 }
2387
2388 if (params->p2p_ctwindow >= 0) {
2389 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2390 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2391 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2392 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2393 changed |= BSS_CHANGED_P2P_PS;
2394 }
2395
2396 if (params->p2p_opp_ps > 0) {
2397 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2398 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2399 changed |= BSS_CHANGED_P2P_PS;
2400 } else if (params->p2p_opp_ps == 0) {
2401 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2402 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2403 changed |= BSS_CHANGED_P2P_PS;
2404 }
2405
2406 ieee80211_bss_info_change_notify(sdata, changed);
2407
2408 return 0;
2409 }
2410
ieee80211_set_txq_params(struct wiphy * wiphy,struct net_device * dev,struct ieee80211_txq_params * params)2411 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2412 struct net_device *dev,
2413 struct ieee80211_txq_params *params)
2414 {
2415 struct ieee80211_local *local = wiphy_priv(wiphy);
2416 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2417 struct ieee80211_tx_queue_params p;
2418
2419 if (!local->ops->conf_tx)
2420 return -EOPNOTSUPP;
2421
2422 if (local->hw.queues < IEEE80211_NUM_ACS)
2423 return -EOPNOTSUPP;
2424
2425 memset(&p, 0, sizeof(p));
2426 p.aifs = params->aifs;
2427 p.cw_max = params->cwmax;
2428 p.cw_min = params->cwmin;
2429 p.txop = params->txop;
2430
2431 /*
2432 * Setting tx queue params disables u-apsd because it's only
2433 * called in master mode.
2434 */
2435 p.uapsd = false;
2436
2437 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2438
2439 sdata->tx_conf[params->ac] = p;
2440 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2441 wiphy_debug(local->hw.wiphy,
2442 "failed to set TX queue parameters for AC %d\n",
2443 params->ac);
2444 return -EINVAL;
2445 }
2446
2447 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2448
2449 return 0;
2450 }
2451
2452 #ifdef CONFIG_PM
ieee80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wowlan)2453 static int ieee80211_suspend(struct wiphy *wiphy,
2454 struct cfg80211_wowlan *wowlan)
2455 {
2456 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2457 }
2458
ieee80211_resume(struct wiphy * wiphy)2459 static int ieee80211_resume(struct wiphy *wiphy)
2460 {
2461 return __ieee80211_resume(wiphy_priv(wiphy));
2462 }
2463 #else
2464 #define ieee80211_suspend NULL
2465 #define ieee80211_resume NULL
2466 #endif
2467
ieee80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * req)2468 static int ieee80211_scan(struct wiphy *wiphy,
2469 struct cfg80211_scan_request *req)
2470 {
2471 struct ieee80211_sub_if_data *sdata;
2472
2473 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2474
2475 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2476 case NL80211_IFTYPE_STATION:
2477 case NL80211_IFTYPE_ADHOC:
2478 case NL80211_IFTYPE_MESH_POINT:
2479 case NL80211_IFTYPE_P2P_CLIENT:
2480 case NL80211_IFTYPE_P2P_DEVICE:
2481 break;
2482 case NL80211_IFTYPE_P2P_GO:
2483 if (sdata->local->ops->hw_scan)
2484 break;
2485 /*
2486 * FIXME: implement NoA while scanning in software,
2487 * for now fall through to allow scanning only when
2488 * beaconing hasn't been configured yet
2489 */
2490 fallthrough;
2491 case NL80211_IFTYPE_AP:
2492 /*
2493 * If the scan has been forced (and the driver supports
2494 * forcing), don't care about being beaconing already.
2495 * This will create problems to the attached stations (e.g. all
2496 * the frames sent while scanning on other channel will be
2497 * lost)
2498 */
2499 if (sdata->u.ap.beacon &&
2500 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2501 !(req->flags & NL80211_SCAN_FLAG_AP)))
2502 return -EOPNOTSUPP;
2503 break;
2504 case NL80211_IFTYPE_NAN:
2505 default:
2506 return -EOPNOTSUPP;
2507 }
2508
2509 return ieee80211_request_scan(sdata, req);
2510 }
2511
ieee80211_abort_scan(struct wiphy * wiphy,struct wireless_dev * wdev)2512 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2513 {
2514 ieee80211_scan_cancel(wiphy_priv(wiphy));
2515 }
2516
2517 static int
ieee80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * req)2518 ieee80211_sched_scan_start(struct wiphy *wiphy,
2519 struct net_device *dev,
2520 struct cfg80211_sched_scan_request *req)
2521 {
2522 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2523
2524 if (!sdata->local->ops->sched_scan_start)
2525 return -EOPNOTSUPP;
2526
2527 return ieee80211_request_sched_scan_start(sdata, req);
2528 }
2529
2530 static int
ieee80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)2531 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2532 u64 reqid)
2533 {
2534 struct ieee80211_local *local = wiphy_priv(wiphy);
2535
2536 if (!local->ops->sched_scan_stop)
2537 return -EOPNOTSUPP;
2538
2539 return ieee80211_request_sched_scan_stop(local);
2540 }
2541
ieee80211_auth(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_auth_request * req)2542 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2543 struct cfg80211_auth_request *req)
2544 {
2545 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2546 }
2547
ieee80211_assoc(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_assoc_request * req)2548 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2549 struct cfg80211_assoc_request *req)
2550 {
2551 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2552 }
2553
ieee80211_deauth(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_deauth_request * req)2554 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2555 struct cfg80211_deauth_request *req)
2556 {
2557 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2558 }
2559
ieee80211_disassoc(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_disassoc_request * req)2560 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2561 struct cfg80211_disassoc_request *req)
2562 {
2563 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2564 }
2565
ieee80211_join_ibss(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ibss_params * params)2566 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2567 struct cfg80211_ibss_params *params)
2568 {
2569 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2570 }
2571
ieee80211_leave_ibss(struct wiphy * wiphy,struct net_device * dev)2572 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2573 {
2574 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2575 }
2576
ieee80211_join_ocb(struct wiphy * wiphy,struct net_device * dev,struct ocb_setup * setup)2577 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2578 struct ocb_setup *setup)
2579 {
2580 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2581 }
2582
ieee80211_leave_ocb(struct wiphy * wiphy,struct net_device * dev)2583 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2584 {
2585 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2586 }
2587
ieee80211_set_mcast_rate(struct wiphy * wiphy,struct net_device * dev,int rate[NUM_NL80211_BANDS])2588 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2589 int rate[NUM_NL80211_BANDS])
2590 {
2591 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2592
2593 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2594 sizeof(int) * NUM_NL80211_BANDS);
2595
2596 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2597
2598 return 0;
2599 }
2600
ieee80211_set_wiphy_params(struct wiphy * wiphy,u32 changed)2601 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2602 {
2603 struct ieee80211_local *local = wiphy_priv(wiphy);
2604 int err;
2605
2606 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2607 ieee80211_check_fast_xmit_all(local);
2608
2609 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2610
2611 if (err) {
2612 ieee80211_check_fast_xmit_all(local);
2613 return err;
2614 }
2615 }
2616
2617 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2618 (changed & WIPHY_PARAM_DYN_ACK)) {
2619 s16 coverage_class;
2620
2621 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2622 wiphy->coverage_class : -1;
2623 err = drv_set_coverage_class(local, coverage_class);
2624
2625 if (err)
2626 return err;
2627 }
2628
2629 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2630 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2631
2632 if (err)
2633 return err;
2634 }
2635
2636 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2637 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2638 return -EINVAL;
2639 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2640 }
2641 if (changed & WIPHY_PARAM_RETRY_LONG) {
2642 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2643 return -EINVAL;
2644 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2645 }
2646 if (changed &
2647 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2648 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2649
2650 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2651 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2652 WIPHY_PARAM_TXQ_QUANTUM))
2653 ieee80211_txq_set_params(local);
2654
2655 return 0;
2656 }
2657
ieee80211_set_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)2658 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2659 struct wireless_dev *wdev,
2660 enum nl80211_tx_power_setting type, int mbm)
2661 {
2662 struct ieee80211_local *local = wiphy_priv(wiphy);
2663 struct ieee80211_sub_if_data *sdata;
2664 enum nl80211_tx_power_setting txp_type = type;
2665 bool update_txp_type = false;
2666 bool has_monitor = false;
2667
2668 if (wdev) {
2669 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2670
2671 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2672 sdata = rtnl_dereference(local->monitor_sdata);
2673 if (!sdata)
2674 return -EOPNOTSUPP;
2675 }
2676
2677 switch (type) {
2678 case NL80211_TX_POWER_AUTOMATIC:
2679 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2680 txp_type = NL80211_TX_POWER_LIMITED;
2681 break;
2682 case NL80211_TX_POWER_LIMITED:
2683 case NL80211_TX_POWER_FIXED:
2684 if (mbm < 0 || (mbm % 100))
2685 return -EOPNOTSUPP;
2686 sdata->user_power_level = MBM_TO_DBM(mbm);
2687 break;
2688 }
2689
2690 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2691 update_txp_type = true;
2692 sdata->vif.bss_conf.txpower_type = txp_type;
2693 }
2694
2695 ieee80211_recalc_txpower(sdata, update_txp_type);
2696
2697 return 0;
2698 }
2699
2700 switch (type) {
2701 case NL80211_TX_POWER_AUTOMATIC:
2702 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2703 txp_type = NL80211_TX_POWER_LIMITED;
2704 break;
2705 case NL80211_TX_POWER_LIMITED:
2706 case NL80211_TX_POWER_FIXED:
2707 if (mbm < 0 || (mbm % 100))
2708 return -EOPNOTSUPP;
2709 local->user_power_level = MBM_TO_DBM(mbm);
2710 break;
2711 }
2712
2713 mutex_lock(&local->iflist_mtx);
2714 list_for_each_entry(sdata, &local->interfaces, list) {
2715 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2716 has_monitor = true;
2717 continue;
2718 }
2719 sdata->user_power_level = local->user_power_level;
2720 if (txp_type != sdata->vif.bss_conf.txpower_type)
2721 update_txp_type = true;
2722 sdata->vif.bss_conf.txpower_type = txp_type;
2723 }
2724 list_for_each_entry(sdata, &local->interfaces, list) {
2725 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2726 continue;
2727 ieee80211_recalc_txpower(sdata, update_txp_type);
2728 }
2729 mutex_unlock(&local->iflist_mtx);
2730
2731 if (has_monitor) {
2732 sdata = rtnl_dereference(local->monitor_sdata);
2733 if (sdata) {
2734 sdata->user_power_level = local->user_power_level;
2735 if (txp_type != sdata->vif.bss_conf.txpower_type)
2736 update_txp_type = true;
2737 sdata->vif.bss_conf.txpower_type = txp_type;
2738
2739 ieee80211_recalc_txpower(sdata, update_txp_type);
2740 }
2741 }
2742
2743 return 0;
2744 }
2745
ieee80211_get_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)2746 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2747 struct wireless_dev *wdev,
2748 int *dbm)
2749 {
2750 struct ieee80211_local *local = wiphy_priv(wiphy);
2751 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2752
2753 if (local->ops->get_txpower)
2754 return drv_get_txpower(local, sdata, dbm);
2755
2756 if (!local->use_chanctx)
2757 *dbm = local->hw.conf.power_level;
2758 else
2759 *dbm = sdata->vif.bss_conf.txpower;
2760
2761 return 0;
2762 }
2763
ieee80211_rfkill_poll(struct wiphy * wiphy)2764 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2765 {
2766 struct ieee80211_local *local = wiphy_priv(wiphy);
2767
2768 drv_rfkill_poll(local);
2769 }
2770
2771 #ifdef CONFIG_NL80211_TESTMODE
ieee80211_testmode_cmd(struct wiphy * wiphy,struct wireless_dev * wdev,void * data,int len)2772 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2773 struct wireless_dev *wdev,
2774 void *data, int len)
2775 {
2776 struct ieee80211_local *local = wiphy_priv(wiphy);
2777 struct ieee80211_vif *vif = NULL;
2778
2779 if (!local->ops->testmode_cmd)
2780 return -EOPNOTSUPP;
2781
2782 if (wdev) {
2783 struct ieee80211_sub_if_data *sdata;
2784
2785 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2786 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2787 vif = &sdata->vif;
2788 }
2789
2790 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2791 }
2792
ieee80211_testmode_dump(struct wiphy * wiphy,struct sk_buff * skb,struct netlink_callback * cb,void * data,int len)2793 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2794 struct sk_buff *skb,
2795 struct netlink_callback *cb,
2796 void *data, int len)
2797 {
2798 struct ieee80211_local *local = wiphy_priv(wiphy);
2799
2800 if (!local->ops->testmode_dump)
2801 return -EOPNOTSUPP;
2802
2803 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2804 }
2805 #endif
2806
__ieee80211_request_smps_mgd(struct ieee80211_sub_if_data * sdata,enum ieee80211_smps_mode smps_mode)2807 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2808 enum ieee80211_smps_mode smps_mode)
2809 {
2810 const u8 *ap;
2811 enum ieee80211_smps_mode old_req;
2812 int err;
2813 struct sta_info *sta;
2814 bool tdls_peer_found = false;
2815
2816 lockdep_assert_held(&sdata->wdev.mtx);
2817
2818 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2819 return -EINVAL;
2820
2821 old_req = sdata->u.mgd.req_smps;
2822 sdata->u.mgd.req_smps = smps_mode;
2823
2824 if (old_req == smps_mode &&
2825 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2826 return 0;
2827
2828 /*
2829 * If not associated, or current association is not an HT
2830 * association, there's no need to do anything, just store
2831 * the new value until we associate.
2832 */
2833 if (!sdata->u.mgd.associated ||
2834 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2835 return 0;
2836
2837 ap = sdata->u.mgd.associated->bssid;
2838
2839 rcu_read_lock();
2840 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2841 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2842 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2843 continue;
2844
2845 tdls_peer_found = true;
2846 break;
2847 }
2848 rcu_read_unlock();
2849
2850 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2851 if (tdls_peer_found || !sdata->u.mgd.powersave)
2852 smps_mode = IEEE80211_SMPS_OFF;
2853 else
2854 smps_mode = IEEE80211_SMPS_DYNAMIC;
2855 }
2856
2857 /* send SM PS frame to AP */
2858 err = ieee80211_send_smps_action(sdata, smps_mode,
2859 ap, ap);
2860 if (err)
2861 sdata->u.mgd.req_smps = old_req;
2862 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2863 ieee80211_teardown_tdls_peers(sdata);
2864
2865 return err;
2866 }
2867
ieee80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)2868 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2869 bool enabled, int timeout)
2870 {
2871 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2872 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2873
2874 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2875 return -EOPNOTSUPP;
2876
2877 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2878 return -EOPNOTSUPP;
2879
2880 if (enabled == sdata->u.mgd.powersave &&
2881 timeout == local->dynamic_ps_forced_timeout)
2882 return 0;
2883
2884 sdata->u.mgd.powersave = enabled;
2885 local->dynamic_ps_forced_timeout = timeout;
2886
2887 /* no change, but if automatic follow powersave */
2888 sdata_lock(sdata);
2889 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2890 sdata_unlock(sdata);
2891
2892 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2893 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2894
2895 ieee80211_recalc_ps(local);
2896 ieee80211_recalc_ps_vif(sdata);
2897 ieee80211_check_fast_rx_iface(sdata);
2898
2899 return 0;
2900 }
2901
ieee80211_set_cqm_rssi_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_thold,u32 rssi_hyst)2902 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2903 struct net_device *dev,
2904 s32 rssi_thold, u32 rssi_hyst)
2905 {
2906 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2907 struct ieee80211_vif *vif = &sdata->vif;
2908 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2909
2910 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2911 rssi_hyst == bss_conf->cqm_rssi_hyst)
2912 return 0;
2913
2914 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2915 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2916 return -EOPNOTSUPP;
2917
2918 bss_conf->cqm_rssi_thold = rssi_thold;
2919 bss_conf->cqm_rssi_hyst = rssi_hyst;
2920 bss_conf->cqm_rssi_low = 0;
2921 bss_conf->cqm_rssi_high = 0;
2922 sdata->u.mgd.last_cqm_event_signal = 0;
2923
2924 /* tell the driver upon association, unless already associated */
2925 if (sdata->u.mgd.associated &&
2926 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2927 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2928
2929 return 0;
2930 }
2931
ieee80211_set_cqm_rssi_range_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_low,s32 rssi_high)2932 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2933 struct net_device *dev,
2934 s32 rssi_low, s32 rssi_high)
2935 {
2936 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2937 struct ieee80211_vif *vif = &sdata->vif;
2938 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2939
2940 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2941 return -EOPNOTSUPP;
2942
2943 bss_conf->cqm_rssi_low = rssi_low;
2944 bss_conf->cqm_rssi_high = rssi_high;
2945 bss_conf->cqm_rssi_thold = 0;
2946 bss_conf->cqm_rssi_hyst = 0;
2947 sdata->u.mgd.last_cqm_event_signal = 0;
2948
2949 /* tell the driver upon association, unless already associated */
2950 if (sdata->u.mgd.associated &&
2951 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2952 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2953
2954 return 0;
2955 }
2956
ieee80211_set_bitrate_mask(struct wiphy * wiphy,struct net_device * dev,const u8 * addr,const struct cfg80211_bitrate_mask * mask)2957 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2958 struct net_device *dev,
2959 const u8 *addr,
2960 const struct cfg80211_bitrate_mask *mask)
2961 {
2962 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2963 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2964 int i, ret;
2965
2966 if (!ieee80211_sdata_running(sdata))
2967 return -ENETDOWN;
2968
2969 /*
2970 * If active validate the setting and reject it if it doesn't leave
2971 * at least one basic rate usable, since we really have to be able
2972 * to send something, and if we're an AP we have to be able to do
2973 * so at a basic rate so that all clients can receive it.
2974 */
2975 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2976 sdata->vif.bss_conf.chandef.chan) {
2977 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2978 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2979
2980 if (!(mask->control[band].legacy & basic_rates))
2981 return -EINVAL;
2982 }
2983
2984 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2985 ret = drv_set_bitrate_mask(local, sdata, mask);
2986 if (ret)
2987 return ret;
2988 }
2989
2990 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2991 struct ieee80211_supported_band *sband = wiphy->bands[i];
2992 int j;
2993
2994 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2995 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2996 sizeof(mask->control[i].ht_mcs));
2997 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2998 mask->control[i].vht_mcs,
2999 sizeof(mask->control[i].vht_mcs));
3000
3001 sdata->rc_has_mcs_mask[i] = false;
3002 sdata->rc_has_vht_mcs_mask[i] = false;
3003 if (!sband)
3004 continue;
3005
3006 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
3007 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
3008 sdata->rc_has_mcs_mask[i] = true;
3009 break;
3010 }
3011 }
3012
3013 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
3014 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
3015 sdata->rc_has_vht_mcs_mask[i] = true;
3016 break;
3017 }
3018 }
3019 }
3020
3021 return 0;
3022 }
3023
ieee80211_start_radar_detection(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef,u32 cac_time_ms)3024 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
3025 struct net_device *dev,
3026 struct cfg80211_chan_def *chandef,
3027 u32 cac_time_ms)
3028 {
3029 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3030 struct ieee80211_local *local = sdata->local;
3031 int err;
3032
3033 mutex_lock(&local->mtx);
3034 if (!list_empty(&local->roc_list) || local->scanning) {
3035 err = -EBUSY;
3036 goto out_unlock;
3037 }
3038
3039 /* whatever, but channel contexts should not complain about that one */
3040 sdata->smps_mode = IEEE80211_SMPS_OFF;
3041 sdata->needed_rx_chains = local->rx_chains;
3042
3043 err = ieee80211_vif_use_channel(sdata, chandef,
3044 IEEE80211_CHANCTX_SHARED);
3045 if (err)
3046 goto out_unlock;
3047
3048 ieee80211_queue_delayed_work(&sdata->local->hw,
3049 &sdata->dfs_cac_timer_work,
3050 msecs_to_jiffies(cac_time_ms));
3051
3052 out_unlock:
3053 mutex_unlock(&local->mtx);
3054 return err;
3055 }
3056
ieee80211_end_cac(struct wiphy * wiphy,struct net_device * dev)3057 static void ieee80211_end_cac(struct wiphy *wiphy,
3058 struct net_device *dev)
3059 {
3060 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3061 struct ieee80211_local *local = sdata->local;
3062
3063 mutex_lock(&local->mtx);
3064 list_for_each_entry(sdata, &local->interfaces, list) {
3065 /* it might be waiting for the local->mtx, but then
3066 * by the time it gets it, sdata->wdev.cac_started
3067 * will no longer be true
3068 */
3069 cancel_delayed_work(&sdata->dfs_cac_timer_work);
3070
3071 if (sdata->wdev.cac_started) {
3072 ieee80211_vif_release_channel(sdata);
3073 sdata->wdev.cac_started = false;
3074 }
3075 }
3076 mutex_unlock(&local->mtx);
3077 }
3078
3079 static struct cfg80211_beacon_data *
cfg80211_beacon_dup(struct cfg80211_beacon_data * beacon)3080 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3081 {
3082 struct cfg80211_beacon_data *new_beacon;
3083 u8 *pos;
3084 int len;
3085
3086 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3087 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3088 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3089
3090 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3091 if (!new_beacon)
3092 return NULL;
3093
3094 pos = (u8 *)(new_beacon + 1);
3095 if (beacon->head_len) {
3096 new_beacon->head_len = beacon->head_len;
3097 new_beacon->head = pos;
3098 memcpy(pos, beacon->head, beacon->head_len);
3099 pos += beacon->head_len;
3100 }
3101 if (beacon->tail_len) {
3102 new_beacon->tail_len = beacon->tail_len;
3103 new_beacon->tail = pos;
3104 memcpy(pos, beacon->tail, beacon->tail_len);
3105 pos += beacon->tail_len;
3106 }
3107 if (beacon->beacon_ies_len) {
3108 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3109 new_beacon->beacon_ies = pos;
3110 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3111 pos += beacon->beacon_ies_len;
3112 }
3113 if (beacon->proberesp_ies_len) {
3114 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3115 new_beacon->proberesp_ies = pos;
3116 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3117 pos += beacon->proberesp_ies_len;
3118 }
3119 if (beacon->assocresp_ies_len) {
3120 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3121 new_beacon->assocresp_ies = pos;
3122 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3123 pos += beacon->assocresp_ies_len;
3124 }
3125 if (beacon->probe_resp_len) {
3126 new_beacon->probe_resp_len = beacon->probe_resp_len;
3127 new_beacon->probe_resp = pos;
3128 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3129 pos += beacon->probe_resp_len;
3130 }
3131
3132 /* might copy -1, meaning no changes requested */
3133 new_beacon->ftm_responder = beacon->ftm_responder;
3134 if (beacon->lci) {
3135 new_beacon->lci_len = beacon->lci_len;
3136 new_beacon->lci = pos;
3137 memcpy(pos, beacon->lci, beacon->lci_len);
3138 pos += beacon->lci_len;
3139 }
3140 if (beacon->civicloc) {
3141 new_beacon->civicloc_len = beacon->civicloc_len;
3142 new_beacon->civicloc = pos;
3143 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3144 pos += beacon->civicloc_len;
3145 }
3146
3147 return new_beacon;
3148 }
3149
ieee80211_csa_finish(struct ieee80211_vif * vif)3150 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3151 {
3152 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3153
3154 ieee80211_queue_work(&sdata->local->hw,
3155 &sdata->csa_finalize_work);
3156 }
3157 EXPORT_SYMBOL(ieee80211_csa_finish);
3158
ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data * sdata,u32 * changed)3159 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3160 u32 *changed)
3161 {
3162 int err;
3163
3164 switch (sdata->vif.type) {
3165 case NL80211_IFTYPE_AP:
3166 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3167 NULL, NULL);
3168 kfree(sdata->u.ap.next_beacon);
3169 sdata->u.ap.next_beacon = NULL;
3170
3171 if (err < 0)
3172 return err;
3173 *changed |= err;
3174 break;
3175 case NL80211_IFTYPE_ADHOC:
3176 err = ieee80211_ibss_finish_csa(sdata);
3177 if (err < 0)
3178 return err;
3179 *changed |= err;
3180 break;
3181 #ifdef CONFIG_MAC80211_MESH
3182 case NL80211_IFTYPE_MESH_POINT:
3183 err = ieee80211_mesh_finish_csa(sdata);
3184 if (err < 0)
3185 return err;
3186 *changed |= err;
3187 break;
3188 #endif
3189 default:
3190 WARN_ON(1);
3191 return -EINVAL;
3192 }
3193
3194 return 0;
3195 }
3196
__ieee80211_csa_finalize(struct ieee80211_sub_if_data * sdata)3197 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3198 {
3199 struct ieee80211_local *local = sdata->local;
3200 u32 changed = 0;
3201 int err;
3202
3203 sdata_assert_lock(sdata);
3204 lockdep_assert_held(&local->mtx);
3205 lockdep_assert_held(&local->chanctx_mtx);
3206
3207 /*
3208 * using reservation isn't immediate as it may be deferred until later
3209 * with multi-vif. once reservation is complete it will re-schedule the
3210 * work with no reserved_chanctx so verify chandef to check if it
3211 * completed successfully
3212 */
3213
3214 if (sdata->reserved_chanctx) {
3215 /*
3216 * with multi-vif csa driver may call ieee80211_csa_finish()
3217 * many times while waiting for other interfaces to use their
3218 * reservations
3219 */
3220 if (sdata->reserved_ready)
3221 return 0;
3222
3223 return ieee80211_vif_use_reserved_context(sdata);
3224 }
3225
3226 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3227 &sdata->csa_chandef))
3228 return -EINVAL;
3229
3230 sdata->vif.csa_active = false;
3231
3232 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3233 if (err)
3234 return err;
3235
3236 ieee80211_bss_info_change_notify(sdata, changed);
3237
3238 if (sdata->csa_block_tx) {
3239 ieee80211_wake_vif_queues(local, sdata,
3240 IEEE80211_QUEUE_STOP_REASON_CSA);
3241 sdata->csa_block_tx = false;
3242 }
3243
3244 err = drv_post_channel_switch(sdata);
3245 if (err)
3246 return err;
3247
3248 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3249
3250 return 0;
3251 }
3252
ieee80211_csa_finalize(struct ieee80211_sub_if_data * sdata)3253 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3254 {
3255 if (__ieee80211_csa_finalize(sdata)) {
3256 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3257 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3258 GFP_KERNEL);
3259 }
3260 }
3261
ieee80211_csa_finalize_work(struct work_struct * work)3262 void ieee80211_csa_finalize_work(struct work_struct *work)
3263 {
3264 struct ieee80211_sub_if_data *sdata =
3265 container_of(work, struct ieee80211_sub_if_data,
3266 csa_finalize_work);
3267 struct ieee80211_local *local = sdata->local;
3268
3269 sdata_lock(sdata);
3270 mutex_lock(&local->mtx);
3271 mutex_lock(&local->chanctx_mtx);
3272
3273 /* AP might have been stopped while waiting for the lock. */
3274 if (!sdata->vif.csa_active)
3275 goto unlock;
3276
3277 if (!ieee80211_sdata_running(sdata))
3278 goto unlock;
3279
3280 ieee80211_csa_finalize(sdata);
3281
3282 unlock:
3283 mutex_unlock(&local->chanctx_mtx);
3284 mutex_unlock(&local->mtx);
3285 sdata_unlock(sdata);
3286 }
3287
ieee80211_set_csa_beacon(struct ieee80211_sub_if_data * sdata,struct cfg80211_csa_settings * params,u32 * changed)3288 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3289 struct cfg80211_csa_settings *params,
3290 u32 *changed)
3291 {
3292 struct ieee80211_csa_settings csa = {};
3293 int err;
3294
3295 switch (sdata->vif.type) {
3296 case NL80211_IFTYPE_AP:
3297 sdata->u.ap.next_beacon =
3298 cfg80211_beacon_dup(¶ms->beacon_after);
3299 if (!sdata->u.ap.next_beacon)
3300 return -ENOMEM;
3301
3302 /*
3303 * With a count of 0, we don't have to wait for any
3304 * TBTT before switching, so complete the CSA
3305 * immediately. In theory, with a count == 1 we
3306 * should delay the switch until just before the next
3307 * TBTT, but that would complicate things so we switch
3308 * immediately too. If we would delay the switch
3309 * until the next TBTT, we would have to set the probe
3310 * response here.
3311 *
3312 * TODO: A channel switch with count <= 1 without
3313 * sending a CSA action frame is kind of useless,
3314 * because the clients won't know we're changing
3315 * channels. The action frame must be implemented
3316 * either here or in the userspace.
3317 */
3318 if (params->count <= 1)
3319 break;
3320
3321 if ((params->n_counter_offsets_beacon >
3322 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3323 (params->n_counter_offsets_presp >
3324 IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3325 return -EINVAL;
3326
3327 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3328 csa.counter_offsets_presp = params->counter_offsets_presp;
3329 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3330 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3331 csa.count = params->count;
3332
3333 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa, NULL);
3334 if (err < 0) {
3335 kfree(sdata->u.ap.next_beacon);
3336 return err;
3337 }
3338 *changed |= err;
3339
3340 break;
3341 case NL80211_IFTYPE_ADHOC:
3342 if (!sdata->vif.bss_conf.ibss_joined)
3343 return -EINVAL;
3344
3345 if (params->chandef.width != sdata->u.ibss.chandef.width)
3346 return -EINVAL;
3347
3348 switch (params->chandef.width) {
3349 case NL80211_CHAN_WIDTH_40:
3350 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3351 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3352 return -EINVAL;
3353 break;
3354 case NL80211_CHAN_WIDTH_5:
3355 case NL80211_CHAN_WIDTH_10:
3356 case NL80211_CHAN_WIDTH_20_NOHT:
3357 case NL80211_CHAN_WIDTH_20:
3358 break;
3359 default:
3360 return -EINVAL;
3361 }
3362
3363 /* changes into another band are not supported */
3364 if (sdata->u.ibss.chandef.chan->band !=
3365 params->chandef.chan->band)
3366 return -EINVAL;
3367
3368 /* see comments in the NL80211_IFTYPE_AP block */
3369 if (params->count > 1) {
3370 err = ieee80211_ibss_csa_beacon(sdata, params);
3371 if (err < 0)
3372 return err;
3373 *changed |= err;
3374 }
3375
3376 ieee80211_send_action_csa(sdata, params);
3377
3378 break;
3379 #ifdef CONFIG_MAC80211_MESH
3380 case NL80211_IFTYPE_MESH_POINT: {
3381 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3382
3383 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3384 return -EINVAL;
3385
3386 /* changes into another band are not supported */
3387 if (sdata->vif.bss_conf.chandef.chan->band !=
3388 params->chandef.chan->band)
3389 return -EINVAL;
3390
3391 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3392 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3393 if (!ifmsh->pre_value)
3394 ifmsh->pre_value = 1;
3395 else
3396 ifmsh->pre_value++;
3397 }
3398
3399 /* see comments in the NL80211_IFTYPE_AP block */
3400 if (params->count > 1) {
3401 err = ieee80211_mesh_csa_beacon(sdata, params);
3402 if (err < 0) {
3403 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3404 return err;
3405 }
3406 *changed |= err;
3407 }
3408
3409 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3410 ieee80211_send_action_csa(sdata, params);
3411
3412 break;
3413 }
3414 #endif
3415 default:
3416 return -EOPNOTSUPP;
3417 }
3418
3419 return 0;
3420 }
3421
ieee80211_color_change_abort(struct ieee80211_sub_if_data * sdata)3422 static void ieee80211_color_change_abort(struct ieee80211_sub_if_data *sdata)
3423 {
3424 sdata->vif.color_change_active = false;
3425 kfree(sdata->u.ap.next_beacon);
3426 sdata->u.ap.next_beacon = NULL;
3427
3428 cfg80211_color_change_aborted_notify(sdata->dev);
3429 }
3430
3431 static int
__ieee80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)3432 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3433 struct cfg80211_csa_settings *params)
3434 {
3435 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3436 struct ieee80211_local *local = sdata->local;
3437 struct ieee80211_channel_switch ch_switch;
3438 struct ieee80211_chanctx_conf *conf;
3439 struct ieee80211_chanctx *chanctx;
3440 u32 changed = 0;
3441 int err;
3442
3443 sdata_assert_lock(sdata);
3444 lockdep_assert_held(&local->mtx);
3445
3446 if (!list_empty(&local->roc_list) || local->scanning)
3447 return -EBUSY;
3448
3449 if (sdata->wdev.cac_started)
3450 return -EBUSY;
3451
3452 if (cfg80211_chandef_identical(¶ms->chandef,
3453 &sdata->vif.bss_conf.chandef))
3454 return -EINVAL;
3455
3456 /* don't allow another channel switch if one is already active. */
3457 if (sdata->vif.csa_active)
3458 return -EBUSY;
3459
3460 mutex_lock(&local->chanctx_mtx);
3461 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3462 lockdep_is_held(&local->chanctx_mtx));
3463 if (!conf) {
3464 err = -EBUSY;
3465 goto out;
3466 }
3467
3468 if (params->chandef.chan->freq_offset) {
3469 /* this may work, but is untested */
3470 err = -EOPNOTSUPP;
3471 goto out;
3472 }
3473
3474 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3475
3476 ch_switch.timestamp = 0;
3477 ch_switch.device_timestamp = 0;
3478 ch_switch.block_tx = params->block_tx;
3479 ch_switch.chandef = params->chandef;
3480 ch_switch.count = params->count;
3481
3482 err = drv_pre_channel_switch(sdata, &ch_switch);
3483 if (err)
3484 goto out;
3485
3486 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3487 chanctx->mode,
3488 params->radar_required);
3489 if (err)
3490 goto out;
3491
3492 /* if reservation is invalid then this will fail */
3493 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3494 if (err) {
3495 ieee80211_vif_unreserve_chanctx(sdata);
3496 goto out;
3497 }
3498
3499 /* if there is a color change in progress, abort it */
3500 if (sdata->vif.color_change_active)
3501 ieee80211_color_change_abort(sdata);
3502
3503 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3504 if (err) {
3505 ieee80211_vif_unreserve_chanctx(sdata);
3506 goto out;
3507 }
3508
3509 sdata->csa_chandef = params->chandef;
3510 sdata->csa_block_tx = params->block_tx;
3511 sdata->vif.csa_active = true;
3512
3513 if (sdata->csa_block_tx)
3514 ieee80211_stop_vif_queues(local, sdata,
3515 IEEE80211_QUEUE_STOP_REASON_CSA);
3516
3517 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3518 params->count, params->block_tx);
3519
3520 if (changed) {
3521 ieee80211_bss_info_change_notify(sdata, changed);
3522 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3523 } else {
3524 /* if the beacon didn't change, we can finalize immediately */
3525 ieee80211_csa_finalize(sdata);
3526 }
3527
3528 out:
3529 mutex_unlock(&local->chanctx_mtx);
3530 return err;
3531 }
3532
ieee80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)3533 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3534 struct cfg80211_csa_settings *params)
3535 {
3536 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3537 struct ieee80211_local *local = sdata->local;
3538 int err;
3539
3540 mutex_lock(&local->mtx);
3541 err = __ieee80211_channel_switch(wiphy, dev, params);
3542 mutex_unlock(&local->mtx);
3543
3544 return err;
3545 }
3546
ieee80211_mgmt_tx_cookie(struct ieee80211_local * local)3547 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3548 {
3549 lockdep_assert_held(&local->mtx);
3550
3551 local->roc_cookie_counter++;
3552
3553 /* wow, you wrapped 64 bits ... more likely a bug */
3554 if (WARN_ON(local->roc_cookie_counter == 0))
3555 local->roc_cookie_counter++;
3556
3557 return local->roc_cookie_counter;
3558 }
3559
ieee80211_attach_ack_skb(struct ieee80211_local * local,struct sk_buff * skb,u64 * cookie,gfp_t gfp)3560 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3561 u64 *cookie, gfp_t gfp)
3562 {
3563 unsigned long spin_flags;
3564 struct sk_buff *ack_skb;
3565 int id;
3566
3567 ack_skb = skb_copy(skb, gfp);
3568 if (!ack_skb)
3569 return -ENOMEM;
3570
3571 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3572 id = idr_alloc(&local->ack_status_frames, ack_skb,
3573 1, 0x2000, GFP_ATOMIC);
3574 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3575
3576 if (id < 0) {
3577 kfree_skb(ack_skb);
3578 return -ENOMEM;
3579 }
3580
3581 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3582
3583 *cookie = ieee80211_mgmt_tx_cookie(local);
3584 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3585
3586 return 0;
3587 }
3588
3589 static void
ieee80211_update_mgmt_frame_registrations(struct wiphy * wiphy,struct wireless_dev * wdev,struct mgmt_frame_regs * upd)3590 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3591 struct wireless_dev *wdev,
3592 struct mgmt_frame_regs *upd)
3593 {
3594 struct ieee80211_local *local = wiphy_priv(wiphy);
3595 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3596 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3597 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3598 bool global_change, intf_change;
3599
3600 global_change =
3601 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3602 (local->rx_mcast_action_reg !=
3603 !!(upd->global_mcast_stypes & action_mask));
3604 local->probe_req_reg = upd->global_stypes & preq_mask;
3605 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3606
3607 intf_change = (sdata->vif.probe_req_reg !=
3608 !!(upd->interface_stypes & preq_mask)) ||
3609 (sdata->vif.rx_mcast_action_reg !=
3610 !!(upd->interface_mcast_stypes & action_mask));
3611 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3612 sdata->vif.rx_mcast_action_reg =
3613 upd->interface_mcast_stypes & action_mask;
3614
3615 if (!local->open_count)
3616 return;
3617
3618 if (intf_change && ieee80211_sdata_running(sdata))
3619 drv_config_iface_filter(local, sdata,
3620 sdata->vif.probe_req_reg ?
3621 FIF_PROBE_REQ : 0,
3622 FIF_PROBE_REQ);
3623
3624 if (global_change)
3625 ieee80211_configure_filter(local);
3626 }
3627
ieee80211_set_antenna(struct wiphy * wiphy,u32 tx_ant,u32 rx_ant)3628 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3629 {
3630 struct ieee80211_local *local = wiphy_priv(wiphy);
3631
3632 if (local->started)
3633 return -EOPNOTSUPP;
3634
3635 return drv_set_antenna(local, tx_ant, rx_ant);
3636 }
3637
ieee80211_get_antenna(struct wiphy * wiphy,u32 * tx_ant,u32 * rx_ant)3638 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3639 {
3640 struct ieee80211_local *local = wiphy_priv(wiphy);
3641
3642 return drv_get_antenna(local, tx_ant, rx_ant);
3643 }
3644
ieee80211_set_rekey_data(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_gtk_rekey_data * data)3645 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3646 struct net_device *dev,
3647 struct cfg80211_gtk_rekey_data *data)
3648 {
3649 struct ieee80211_local *local = wiphy_priv(wiphy);
3650 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3651
3652 if (!local->ops->set_rekey_data)
3653 return -EOPNOTSUPP;
3654
3655 drv_set_rekey_data(local, sdata, data);
3656
3657 return 0;
3658 }
3659
ieee80211_probe_client(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u64 * cookie)3660 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3661 const u8 *peer, u64 *cookie)
3662 {
3663 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3664 struct ieee80211_local *local = sdata->local;
3665 struct ieee80211_qos_hdr *nullfunc;
3666 struct sk_buff *skb;
3667 int size = sizeof(*nullfunc);
3668 __le16 fc;
3669 bool qos;
3670 struct ieee80211_tx_info *info;
3671 struct sta_info *sta;
3672 struct ieee80211_chanctx_conf *chanctx_conf;
3673 enum nl80211_band band;
3674 int ret;
3675
3676 /* the lock is needed to assign the cookie later */
3677 mutex_lock(&local->mtx);
3678
3679 rcu_read_lock();
3680 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3681 if (WARN_ON(!chanctx_conf)) {
3682 ret = -EINVAL;
3683 goto unlock;
3684 }
3685 band = chanctx_conf->def.chan->band;
3686 sta = sta_info_get_bss(sdata, peer);
3687 if (sta) {
3688 qos = sta->sta.wme;
3689 } else {
3690 ret = -ENOLINK;
3691 goto unlock;
3692 }
3693
3694 if (qos) {
3695 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3696 IEEE80211_STYPE_QOS_NULLFUNC |
3697 IEEE80211_FCTL_FROMDS);
3698 } else {
3699 size -= 2;
3700 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3701 IEEE80211_STYPE_NULLFUNC |
3702 IEEE80211_FCTL_FROMDS);
3703 }
3704
3705 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3706 if (!skb) {
3707 ret = -ENOMEM;
3708 goto unlock;
3709 }
3710
3711 skb->dev = dev;
3712
3713 skb_reserve(skb, local->hw.extra_tx_headroom);
3714
3715 nullfunc = skb_put(skb, size);
3716 nullfunc->frame_control = fc;
3717 nullfunc->duration_id = 0;
3718 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3719 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3720 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3721 nullfunc->seq_ctrl = 0;
3722
3723 info = IEEE80211_SKB_CB(skb);
3724
3725 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3726 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3727 info->band = band;
3728
3729 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3730 skb->priority = 7;
3731 if (qos)
3732 nullfunc->qos_ctrl = cpu_to_le16(7);
3733
3734 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3735 if (ret) {
3736 kfree_skb(skb);
3737 goto unlock;
3738 }
3739
3740 local_bh_disable();
3741 ieee80211_xmit(sdata, sta, skb);
3742 local_bh_enable();
3743
3744 ret = 0;
3745 unlock:
3746 rcu_read_unlock();
3747 mutex_unlock(&local->mtx);
3748
3749 return ret;
3750 }
3751
ieee80211_cfg_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_chan_def * chandef)3752 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3753 struct wireless_dev *wdev,
3754 struct cfg80211_chan_def *chandef)
3755 {
3756 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3757 struct ieee80211_local *local = wiphy_priv(wiphy);
3758 struct ieee80211_chanctx_conf *chanctx_conf;
3759 int ret = -ENODATA;
3760
3761 rcu_read_lock();
3762 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3763 if (chanctx_conf) {
3764 *chandef = sdata->vif.bss_conf.chandef;
3765 ret = 0;
3766 } else if (local->open_count > 0 &&
3767 local->open_count == local->monitors &&
3768 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3769 if (local->use_chanctx)
3770 *chandef = local->monitor_chandef;
3771 else
3772 *chandef = local->_oper_chandef;
3773 ret = 0;
3774 }
3775 rcu_read_unlock();
3776
3777 return ret;
3778 }
3779
3780 #ifdef CONFIG_PM
ieee80211_set_wakeup(struct wiphy * wiphy,bool enabled)3781 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3782 {
3783 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3784 }
3785 #endif
3786
ieee80211_set_qos_map(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_qos_map * qos_map)3787 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3788 struct net_device *dev,
3789 struct cfg80211_qos_map *qos_map)
3790 {
3791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3792 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3793
3794 if (qos_map) {
3795 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3796 if (!new_qos_map)
3797 return -ENOMEM;
3798 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3799 } else {
3800 /* A NULL qos_map was passed to disable QoS mapping */
3801 new_qos_map = NULL;
3802 }
3803
3804 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3805 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3806 if (old_qos_map)
3807 kfree_rcu(old_qos_map, rcu_head);
3808
3809 return 0;
3810 }
3811
ieee80211_set_ap_chanwidth(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef)3812 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3813 struct net_device *dev,
3814 struct cfg80211_chan_def *chandef)
3815 {
3816 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3817 int ret;
3818 u32 changed = 0;
3819
3820 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3821 if (ret == 0)
3822 ieee80211_bss_info_change_notify(sdata, changed);
3823
3824 return ret;
3825 }
3826
ieee80211_add_tx_ts(struct wiphy * wiphy,struct net_device * dev,u8 tsid,const u8 * peer,u8 up,u16 admitted_time)3827 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3828 u8 tsid, const u8 *peer, u8 up,
3829 u16 admitted_time)
3830 {
3831 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3832 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3833 int ac = ieee802_1d_to_ac[up];
3834
3835 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3836 return -EOPNOTSUPP;
3837
3838 if (!(sdata->wmm_acm & BIT(up)))
3839 return -EINVAL;
3840
3841 if (ifmgd->tx_tspec[ac].admitted_time)
3842 return -EBUSY;
3843
3844 if (admitted_time) {
3845 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3846 ifmgd->tx_tspec[ac].tsid = tsid;
3847 ifmgd->tx_tspec[ac].up = up;
3848 }
3849
3850 return 0;
3851 }
3852
ieee80211_del_tx_ts(struct wiphy * wiphy,struct net_device * dev,u8 tsid,const u8 * peer)3853 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3854 u8 tsid, const u8 *peer)
3855 {
3856 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3857 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3858 struct ieee80211_local *local = wiphy_priv(wiphy);
3859 int ac;
3860
3861 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3862 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3863
3864 /* skip unused entries */
3865 if (!tx_tspec->admitted_time)
3866 continue;
3867
3868 if (tx_tspec->tsid != tsid)
3869 continue;
3870
3871 /* due to this new packets will be reassigned to non-ACM ACs */
3872 tx_tspec->up = -1;
3873
3874 /* Make sure that all packets have been sent to avoid to
3875 * restore the QoS params on packets that are still on the
3876 * queues.
3877 */
3878 synchronize_net();
3879 ieee80211_flush_queues(local, sdata, false);
3880
3881 /* restore the normal QoS parameters
3882 * (unconditionally to avoid races)
3883 */
3884 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3885 tx_tspec->downgraded = false;
3886 ieee80211_sta_handle_tspec_ac_params(sdata);
3887
3888 /* finally clear all the data */
3889 memset(tx_tspec, 0, sizeof(*tx_tspec));
3890
3891 return 0;
3892 }
3893
3894 return -ENOENT;
3895 }
3896
ieee80211_nan_func_terminated(struct ieee80211_vif * vif,u8 inst_id,enum nl80211_nan_func_term_reason reason,gfp_t gfp)3897 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3898 u8 inst_id,
3899 enum nl80211_nan_func_term_reason reason,
3900 gfp_t gfp)
3901 {
3902 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3903 struct cfg80211_nan_func *func;
3904 u64 cookie;
3905
3906 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3907 return;
3908
3909 spin_lock_bh(&sdata->u.nan.func_lock);
3910
3911 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3912 if (WARN_ON(!func)) {
3913 spin_unlock_bh(&sdata->u.nan.func_lock);
3914 return;
3915 }
3916
3917 cookie = func->cookie;
3918 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3919
3920 spin_unlock_bh(&sdata->u.nan.func_lock);
3921
3922 cfg80211_free_nan_func(func);
3923
3924 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3925 reason, cookie, gfp);
3926 }
3927 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3928
ieee80211_nan_func_match(struct ieee80211_vif * vif,struct cfg80211_nan_match_params * match,gfp_t gfp)3929 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3930 struct cfg80211_nan_match_params *match,
3931 gfp_t gfp)
3932 {
3933 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3934 struct cfg80211_nan_func *func;
3935
3936 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3937 return;
3938
3939 spin_lock_bh(&sdata->u.nan.func_lock);
3940
3941 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3942 if (WARN_ON(!func)) {
3943 spin_unlock_bh(&sdata->u.nan.func_lock);
3944 return;
3945 }
3946 match->cookie = func->cookie;
3947
3948 spin_unlock_bh(&sdata->u.nan.func_lock);
3949
3950 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3951 }
3952 EXPORT_SYMBOL(ieee80211_nan_func_match);
3953
ieee80211_set_multicast_to_unicast(struct wiphy * wiphy,struct net_device * dev,const bool enabled)3954 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3955 struct net_device *dev,
3956 const bool enabled)
3957 {
3958 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3959
3960 sdata->u.ap.multicast_to_unicast = enabled;
3961
3962 return 0;
3963 }
3964
ieee80211_fill_txq_stats(struct cfg80211_txq_stats * txqstats,struct txq_info * txqi)3965 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3966 struct txq_info *txqi)
3967 {
3968 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3969 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3970 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3971 }
3972
3973 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3974 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3975 txqstats->backlog_packets = txqi->tin.backlog_packets;
3976 }
3977
3978 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3979 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3980 txqstats->flows = txqi->tin.flows;
3981 }
3982
3983 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3984 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3985 txqstats->drops = txqi->cstats.drop_count;
3986 }
3987
3988 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3989 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3990 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3991 }
3992
3993 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3994 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3995 txqstats->overlimit = txqi->tin.overlimit;
3996 }
3997
3998 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3999 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
4000 txqstats->collisions = txqi->tin.collisions;
4001 }
4002
4003 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
4004 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
4005 txqstats->tx_bytes = txqi->tin.tx_bytes;
4006 }
4007
4008 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
4009 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
4010 txqstats->tx_packets = txqi->tin.tx_packets;
4011 }
4012 }
4013
ieee80211_get_txq_stats(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_txq_stats * txqstats)4014 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
4015 struct wireless_dev *wdev,
4016 struct cfg80211_txq_stats *txqstats)
4017 {
4018 struct ieee80211_local *local = wiphy_priv(wiphy);
4019 struct ieee80211_sub_if_data *sdata;
4020 int ret = 0;
4021
4022 if (!local->ops->wake_tx_queue)
4023 return 1;
4024
4025 spin_lock_bh(&local->fq.lock);
4026 rcu_read_lock();
4027
4028 if (wdev) {
4029 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4030 if (!sdata->vif.txq) {
4031 ret = 1;
4032 goto out;
4033 }
4034 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
4035 } else {
4036 /* phy stats */
4037 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
4038 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
4039 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4040 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4041 BIT(NL80211_TXQ_STATS_COLLISIONS) |
4042 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4043 txqstats->backlog_packets = local->fq.backlog;
4044 txqstats->backlog_bytes = local->fq.memory_usage;
4045 txqstats->overlimit = local->fq.overlimit;
4046 txqstats->overmemory = local->fq.overmemory;
4047 txqstats->collisions = local->fq.collisions;
4048 txqstats->max_flows = local->fq.flows_cnt;
4049 }
4050
4051 out:
4052 rcu_read_unlock();
4053 spin_unlock_bh(&local->fq.lock);
4054
4055 return ret;
4056 }
4057
4058 static int
ieee80211_get_ftm_responder_stats(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ftm_responder_stats * ftm_stats)4059 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4060 struct net_device *dev,
4061 struct cfg80211_ftm_responder_stats *ftm_stats)
4062 {
4063 struct ieee80211_local *local = wiphy_priv(wiphy);
4064 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4065
4066 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4067 }
4068
4069 static int
ieee80211_start_pmsr(struct wiphy * wiphy,struct wireless_dev * dev,struct cfg80211_pmsr_request * request)4070 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4071 struct cfg80211_pmsr_request *request)
4072 {
4073 struct ieee80211_local *local = wiphy_priv(wiphy);
4074 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4075
4076 return drv_start_pmsr(local, sdata, request);
4077 }
4078
4079 static void
ieee80211_abort_pmsr(struct wiphy * wiphy,struct wireless_dev * dev,struct cfg80211_pmsr_request * request)4080 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4081 struct cfg80211_pmsr_request *request)
4082 {
4083 struct ieee80211_local *local = wiphy_priv(wiphy);
4084 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4085
4086 return drv_abort_pmsr(local, sdata, request);
4087 }
4088
ieee80211_set_tid_config(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_tid_config * tid_conf)4089 static int ieee80211_set_tid_config(struct wiphy *wiphy,
4090 struct net_device *dev,
4091 struct cfg80211_tid_config *tid_conf)
4092 {
4093 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4094 struct sta_info *sta;
4095 int ret;
4096
4097 if (!sdata->local->ops->set_tid_config)
4098 return -EOPNOTSUPP;
4099
4100 if (!tid_conf->peer)
4101 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4102
4103 mutex_lock(&sdata->local->sta_mtx);
4104 sta = sta_info_get_bss(sdata, tid_conf->peer);
4105 if (!sta) {
4106 mutex_unlock(&sdata->local->sta_mtx);
4107 return -ENOENT;
4108 }
4109
4110 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4111 mutex_unlock(&sdata->local->sta_mtx);
4112
4113 return ret;
4114 }
4115
ieee80211_reset_tid_config(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u8 tids)4116 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4117 struct net_device *dev,
4118 const u8 *peer, u8 tids)
4119 {
4120 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4121 struct sta_info *sta;
4122 int ret;
4123
4124 if (!sdata->local->ops->reset_tid_config)
4125 return -EOPNOTSUPP;
4126
4127 if (!peer)
4128 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4129
4130 mutex_lock(&sdata->local->sta_mtx);
4131 sta = sta_info_get_bss(sdata, peer);
4132 if (!sta) {
4133 mutex_unlock(&sdata->local->sta_mtx);
4134 return -ENOENT;
4135 }
4136
4137 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4138 mutex_unlock(&sdata->local->sta_mtx);
4139
4140 return ret;
4141 }
4142
ieee80211_set_sar_specs(struct wiphy * wiphy,struct cfg80211_sar_specs * sar)4143 static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4144 struct cfg80211_sar_specs *sar)
4145 {
4146 struct ieee80211_local *local = wiphy_priv(wiphy);
4147
4148 if (!local->ops->set_sar_specs)
4149 return -EOPNOTSUPP;
4150
4151 return local->ops->set_sar_specs(&local->hw, sar);
4152 }
4153
4154 static int
ieee80211_set_after_color_change_beacon(struct ieee80211_sub_if_data * sdata,u32 * changed)4155 ieee80211_set_after_color_change_beacon(struct ieee80211_sub_if_data *sdata,
4156 u32 *changed)
4157 {
4158 switch (sdata->vif.type) {
4159 case NL80211_IFTYPE_AP: {
4160 int ret;
4161
4162 ret = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
4163 NULL, NULL);
4164 kfree(sdata->u.ap.next_beacon);
4165 sdata->u.ap.next_beacon = NULL;
4166
4167 if (ret < 0)
4168 return ret;
4169
4170 *changed |= ret;
4171 break;
4172 }
4173 default:
4174 WARN_ON_ONCE(1);
4175 return -EINVAL;
4176 }
4177
4178 return 0;
4179 }
4180
4181 static int
ieee80211_set_color_change_beacon(struct ieee80211_sub_if_data * sdata,struct cfg80211_color_change_settings * params,u32 * changed)4182 ieee80211_set_color_change_beacon(struct ieee80211_sub_if_data *sdata,
4183 struct cfg80211_color_change_settings *params,
4184 u32 *changed)
4185 {
4186 struct ieee80211_color_change_settings color_change = {};
4187 int err;
4188
4189 switch (sdata->vif.type) {
4190 case NL80211_IFTYPE_AP:
4191 sdata->u.ap.next_beacon =
4192 cfg80211_beacon_dup(¶ms->beacon_next);
4193 if (!sdata->u.ap.next_beacon)
4194 return -ENOMEM;
4195
4196 if (params->count <= 1)
4197 break;
4198
4199 color_change.counter_offset_beacon =
4200 params->counter_offset_beacon;
4201 color_change.counter_offset_presp =
4202 params->counter_offset_presp;
4203 color_change.count = params->count;
4204
4205 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_color_change,
4206 NULL, &color_change);
4207 if (err < 0) {
4208 kfree(sdata->u.ap.next_beacon);
4209 return err;
4210 }
4211 *changed |= err;
4212 break;
4213 default:
4214 return -EOPNOTSUPP;
4215 }
4216
4217 return 0;
4218 }
4219
4220 static void
ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data * sdata,u8 color,int enable,u32 changed)4221 ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata,
4222 u8 color, int enable, u32 changed)
4223 {
4224 sdata->vif.bss_conf.he_bss_color.color = color;
4225 sdata->vif.bss_conf.he_bss_color.enabled = enable;
4226 changed |= BSS_CHANGED_HE_BSS_COLOR;
4227
4228 ieee80211_bss_info_change_notify(sdata, changed);
4229 }
4230
ieee80211_color_change_finalize(struct ieee80211_sub_if_data * sdata)4231 static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata)
4232 {
4233 struct ieee80211_local *local = sdata->local;
4234 u32 changed = 0;
4235 int err;
4236
4237 sdata_assert_lock(sdata);
4238 lockdep_assert_held(&local->mtx);
4239
4240 sdata->vif.color_change_active = false;
4241
4242 err = ieee80211_set_after_color_change_beacon(sdata, &changed);
4243 if (err) {
4244 cfg80211_color_change_aborted_notify(sdata->dev);
4245 return err;
4246 }
4247
4248 ieee80211_color_change_bss_config_notify(sdata,
4249 sdata->vif.color_change_color,
4250 1, changed);
4251 cfg80211_color_change_notify(sdata->dev);
4252
4253 return 0;
4254 }
4255
ieee80211_color_change_finalize_work(struct work_struct * work)4256 void ieee80211_color_change_finalize_work(struct work_struct *work)
4257 {
4258 struct ieee80211_sub_if_data *sdata =
4259 container_of(work, struct ieee80211_sub_if_data,
4260 color_change_finalize_work);
4261 struct ieee80211_local *local = sdata->local;
4262
4263 sdata_lock(sdata);
4264 mutex_lock(&local->mtx);
4265
4266 /* AP might have been stopped while waiting for the lock. */
4267 if (!sdata->vif.color_change_active)
4268 goto unlock;
4269
4270 if (!ieee80211_sdata_running(sdata))
4271 goto unlock;
4272
4273 ieee80211_color_change_finalize(sdata);
4274
4275 unlock:
4276 mutex_unlock(&local->mtx);
4277 sdata_unlock(sdata);
4278 }
4279
ieee80211_color_change_finish(struct ieee80211_vif * vif)4280 void ieee80211_color_change_finish(struct ieee80211_vif *vif)
4281 {
4282 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4283
4284 ieee80211_queue_work(&sdata->local->hw,
4285 &sdata->color_change_finalize_work);
4286 }
4287 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
4288
4289 void
ieeee80211_obss_color_collision_notify(struct ieee80211_vif * vif,u64 color_bitmap)4290 ieeee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
4291 u64 color_bitmap)
4292 {
4293 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4294
4295 if (sdata->vif.color_change_active || sdata->vif.csa_active)
4296 return;
4297
4298 cfg80211_obss_color_collision_notify(sdata->dev, color_bitmap);
4299 }
4300 EXPORT_SYMBOL_GPL(ieeee80211_obss_color_collision_notify);
4301
4302 static int
ieee80211_color_change(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_color_change_settings * params)4303 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
4304 struct cfg80211_color_change_settings *params)
4305 {
4306 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4307 struct ieee80211_local *local = sdata->local;
4308 u32 changed = 0;
4309 int err;
4310
4311 sdata_assert_lock(sdata);
4312
4313 mutex_lock(&local->mtx);
4314
4315 /* don't allow another color change if one is already active or if csa
4316 * is active
4317 */
4318 if (sdata->vif.color_change_active || sdata->vif.csa_active) {
4319 err = -EBUSY;
4320 goto out;
4321 }
4322
4323 err = ieee80211_set_color_change_beacon(sdata, params, &changed);
4324 if (err)
4325 goto out;
4326
4327 sdata->vif.color_change_active = true;
4328 sdata->vif.color_change_color = params->color;
4329
4330 cfg80211_color_change_started_notify(sdata->dev, params->count);
4331
4332 if (changed)
4333 ieee80211_color_change_bss_config_notify(sdata, 0, 0, changed);
4334 else
4335 /* if the beacon didn't change, we can finalize immediately */
4336 ieee80211_color_change_finalize(sdata);
4337
4338 out:
4339 mutex_unlock(&local->mtx);
4340
4341 return err;
4342 }
4343
4344 const struct cfg80211_ops mac80211_config_ops = {
4345 .add_virtual_intf = ieee80211_add_iface,
4346 .del_virtual_intf = ieee80211_del_iface,
4347 .change_virtual_intf = ieee80211_change_iface,
4348 .start_p2p_device = ieee80211_start_p2p_device,
4349 .stop_p2p_device = ieee80211_stop_p2p_device,
4350 .add_key = ieee80211_add_key,
4351 .del_key = ieee80211_del_key,
4352 .get_key = ieee80211_get_key,
4353 .set_default_key = ieee80211_config_default_key,
4354 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4355 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4356 .start_ap = ieee80211_start_ap,
4357 .change_beacon = ieee80211_change_beacon,
4358 .stop_ap = ieee80211_stop_ap,
4359 .add_station = ieee80211_add_station,
4360 .del_station = ieee80211_del_station,
4361 .change_station = ieee80211_change_station,
4362 .get_station = ieee80211_get_station,
4363 .dump_station = ieee80211_dump_station,
4364 .dump_survey = ieee80211_dump_survey,
4365 #ifdef CONFIG_MAC80211_MESH
4366 .add_mpath = ieee80211_add_mpath,
4367 .del_mpath = ieee80211_del_mpath,
4368 .change_mpath = ieee80211_change_mpath,
4369 .get_mpath = ieee80211_get_mpath,
4370 .dump_mpath = ieee80211_dump_mpath,
4371 .get_mpp = ieee80211_get_mpp,
4372 .dump_mpp = ieee80211_dump_mpp,
4373 .update_mesh_config = ieee80211_update_mesh_config,
4374 .get_mesh_config = ieee80211_get_mesh_config,
4375 .join_mesh = ieee80211_join_mesh,
4376 .leave_mesh = ieee80211_leave_mesh,
4377 #endif
4378 .join_ocb = ieee80211_join_ocb,
4379 .leave_ocb = ieee80211_leave_ocb,
4380 .change_bss = ieee80211_change_bss,
4381 .set_txq_params = ieee80211_set_txq_params,
4382 .set_monitor_channel = ieee80211_set_monitor_channel,
4383 .suspend = ieee80211_suspend,
4384 .resume = ieee80211_resume,
4385 .scan = ieee80211_scan,
4386 .abort_scan = ieee80211_abort_scan,
4387 .sched_scan_start = ieee80211_sched_scan_start,
4388 .sched_scan_stop = ieee80211_sched_scan_stop,
4389 .auth = ieee80211_auth,
4390 .assoc = ieee80211_assoc,
4391 .deauth = ieee80211_deauth,
4392 .disassoc = ieee80211_disassoc,
4393 .join_ibss = ieee80211_join_ibss,
4394 .leave_ibss = ieee80211_leave_ibss,
4395 .set_mcast_rate = ieee80211_set_mcast_rate,
4396 .set_wiphy_params = ieee80211_set_wiphy_params,
4397 .set_tx_power = ieee80211_set_tx_power,
4398 .get_tx_power = ieee80211_get_tx_power,
4399 .rfkill_poll = ieee80211_rfkill_poll,
4400 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4401 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4402 .set_power_mgmt = ieee80211_set_power_mgmt,
4403 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4404 .remain_on_channel = ieee80211_remain_on_channel,
4405 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4406 .mgmt_tx = ieee80211_mgmt_tx,
4407 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4408 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4409 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4410 .update_mgmt_frame_registrations =
4411 ieee80211_update_mgmt_frame_registrations,
4412 .set_antenna = ieee80211_set_antenna,
4413 .get_antenna = ieee80211_get_antenna,
4414 .set_rekey_data = ieee80211_set_rekey_data,
4415 .tdls_oper = ieee80211_tdls_oper,
4416 .tdls_mgmt = ieee80211_tdls_mgmt,
4417 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4418 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4419 .probe_client = ieee80211_probe_client,
4420 .set_noack_map = ieee80211_set_noack_map,
4421 #ifdef CONFIG_PM
4422 .set_wakeup = ieee80211_set_wakeup,
4423 #endif
4424 .get_channel = ieee80211_cfg_get_channel,
4425 .start_radar_detection = ieee80211_start_radar_detection,
4426 .end_cac = ieee80211_end_cac,
4427 .channel_switch = ieee80211_channel_switch,
4428 .set_qos_map = ieee80211_set_qos_map,
4429 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4430 .add_tx_ts = ieee80211_add_tx_ts,
4431 .del_tx_ts = ieee80211_del_tx_ts,
4432 .start_nan = ieee80211_start_nan,
4433 .stop_nan = ieee80211_stop_nan,
4434 .nan_change_conf = ieee80211_nan_change_conf,
4435 .add_nan_func = ieee80211_add_nan_func,
4436 .del_nan_func = ieee80211_del_nan_func,
4437 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4438 .tx_control_port = ieee80211_tx_control_port,
4439 .get_txq_stats = ieee80211_get_txq_stats,
4440 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4441 .start_pmsr = ieee80211_start_pmsr,
4442 .abort_pmsr = ieee80211_abort_pmsr,
4443 .probe_mesh_link = ieee80211_probe_mesh_link,
4444 .set_tid_config = ieee80211_set_tid_config,
4445 .reset_tid_config = ieee80211_reset_tid_config,
4446 .set_sar_specs = ieee80211_set_sar_specs,
4447 .color_change = ieee80211_color_change,
4448 };
4449
