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Merge tag 'iommu-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
[linux/fpc-iii.git] / net / mac80211 / cfg.c
blobc4c70e30ad7f02644db03978a3f7ff5dc1687e05
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
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
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
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
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
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 int ret;
156
157 ret = ieee80211_if_change_type(sdata, type);
158 if (ret)
159 return ret;
160
161 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
165 sdata->u.mgd.use_4addr = params->use_4addr;
166 }
167
168 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
169 ret = ieee80211_set_mon_options(sdata, params);
170 if (ret)
171 return ret;
172 }
173
174 return 0;
175 }
176
177 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
178 struct wireless_dev *wdev)
179 {
180 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
181 int ret;
182
183 mutex_lock(&sdata->local->chanctx_mtx);
184 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
185 mutex_unlock(&sdata->local->chanctx_mtx);
186 if (ret < 0)
187 return ret;
188
189 return ieee80211_do_open(wdev, true);
190 }
191
192 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
193 struct wireless_dev *wdev)
194 {
195 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
196 }
197
198 static int ieee80211_start_nan(struct wiphy *wiphy,
199 struct wireless_dev *wdev,
200 struct cfg80211_nan_conf *conf)
201 {
202 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
203 int ret;
204
205 mutex_lock(&sdata->local->chanctx_mtx);
206 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
207 mutex_unlock(&sdata->local->chanctx_mtx);
208 if (ret < 0)
209 return ret;
210
211 ret = ieee80211_do_open(wdev, true);
212 if (ret)
213 return ret;
214
215 ret = drv_start_nan(sdata->local, sdata, conf);
216 if (ret)
217 ieee80211_sdata_stop(sdata);
218
219 sdata->u.nan.conf = *conf;
220
221 return ret;
222 }
223
224 static void ieee80211_stop_nan(struct wiphy *wiphy,
225 struct wireless_dev *wdev)
226 {
227 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
228
229 drv_stop_nan(sdata->local, sdata);
230 ieee80211_sdata_stop(sdata);
231 }
232
233 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
234 struct wireless_dev *wdev,
235 struct cfg80211_nan_conf *conf,
236 u32 changes)
237 {
238 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
239 struct cfg80211_nan_conf new_conf;
240 int ret = 0;
241
242 if (sdata->vif.type != NL80211_IFTYPE_NAN)
243 return -EOPNOTSUPP;
244
245 if (!ieee80211_sdata_running(sdata))
246 return -ENETDOWN;
247
248 new_conf = sdata->u.nan.conf;
249
250 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
251 new_conf.master_pref = conf->master_pref;
252
253 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
254 new_conf.bands = conf->bands;
255
256 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
257 if (!ret)
258 sdata->u.nan.conf = new_conf;
259
260 return ret;
261 }
262
263 static int ieee80211_add_nan_func(struct wiphy *wiphy,
264 struct wireless_dev *wdev,
265 struct cfg80211_nan_func *nan_func)
266 {
267 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
268 int ret;
269
270 if (sdata->vif.type != NL80211_IFTYPE_NAN)
271 return -EOPNOTSUPP;
272
273 if (!ieee80211_sdata_running(sdata))
274 return -ENETDOWN;
275
276 spin_lock_bh(&sdata->u.nan.func_lock);
277
278 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
279 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
280 GFP_ATOMIC);
281 spin_unlock_bh(&sdata->u.nan.func_lock);
282
283 if (ret < 0)
284 return ret;
285
286 nan_func->instance_id = ret;
287
288 WARN_ON(nan_func->instance_id == 0);
289
290 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
291 if (ret) {
292 spin_lock_bh(&sdata->u.nan.func_lock);
293 idr_remove(&sdata->u.nan.function_inst_ids,
294 nan_func->instance_id);
295 spin_unlock_bh(&sdata->u.nan.func_lock);
296 }
297
298 return ret;
299 }
300
301 static struct cfg80211_nan_func *
302 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
303 u64 cookie)
304 {
305 struct cfg80211_nan_func *func;
306 int id;
307
308 lockdep_assert_held(&sdata->u.nan.func_lock);
309
310 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
311 if (func->cookie == cookie)
312 return func;
313 }
314
315 return NULL;
316 }
317
318 static void ieee80211_del_nan_func(struct wiphy *wiphy,
319 struct wireless_dev *wdev, u64 cookie)
320 {
321 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
322 struct cfg80211_nan_func *func;
323 u8 instance_id = 0;
324
325 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
326 !ieee80211_sdata_running(sdata))
327 return;
328
329 spin_lock_bh(&sdata->u.nan.func_lock);
330
331 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
332 if (func)
333 instance_id = func->instance_id;
334
335 spin_unlock_bh(&sdata->u.nan.func_lock);
336
337 if (instance_id)
338 drv_del_nan_func(sdata->local, sdata, instance_id);
339 }
340
341 static int ieee80211_set_noack_map(struct wiphy *wiphy,
342 struct net_device *dev,
343 u16 noack_map)
344 {
345 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
346
347 sdata->noack_map = noack_map;
348
349 ieee80211_check_fast_xmit_iface(sdata);
350
351 return 0;
352 }
353
354 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
355 const u8 *mac_addr, u8 key_idx)
356 {
357 struct ieee80211_local *local = sdata->local;
358 struct ieee80211_key *key;
359 struct sta_info *sta;
360 int ret = -EINVAL;
361
362 if (!wiphy_ext_feature_isset(local->hw.wiphy,
363 NL80211_EXT_FEATURE_EXT_KEY_ID))
364 return -EINVAL;
365
366 sta = sta_info_get_bss(sdata, mac_addr);
367
368 if (!sta)
369 return -EINVAL;
370
371 if (sta->ptk_idx == key_idx)
372 return 0;
373
374 mutex_lock(&local->key_mtx);
375 key = key_mtx_dereference(local, sta->ptk[key_idx]);
376
377 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
378 ret = ieee80211_set_tx_key(key);
379
380 mutex_unlock(&local->key_mtx);
381 return ret;
382 }
383
384 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
385 u8 key_idx, bool pairwise, const u8 *mac_addr,
386 struct key_params *params)
387 {
388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
389 struct ieee80211_local *local = sdata->local;
390 struct sta_info *sta = NULL;
391 const struct ieee80211_cipher_scheme *cs = NULL;
392 struct ieee80211_key *key;
393 int err;
394
395 if (!ieee80211_sdata_running(sdata))
396 return -ENETDOWN;
397
398 if (pairwise && params->mode == NL80211_KEY_SET_TX)
399 return ieee80211_set_tx(sdata, mac_addr, key_idx);
400
401 /* reject WEP and TKIP keys if WEP failed to initialize */
402 switch (params->cipher) {
403 case WLAN_CIPHER_SUITE_WEP40:
404 case WLAN_CIPHER_SUITE_TKIP:
405 case WLAN_CIPHER_SUITE_WEP104:
406 if (WARN_ON_ONCE(fips_enabled))
407 return -EINVAL;
408 break;
409 case WLAN_CIPHER_SUITE_CCMP:
410 case WLAN_CIPHER_SUITE_CCMP_256:
411 case WLAN_CIPHER_SUITE_AES_CMAC:
412 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
413 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
414 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
415 case WLAN_CIPHER_SUITE_GCMP:
416 case WLAN_CIPHER_SUITE_GCMP_256:
417 break;
418 default:
419 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
420 break;
421 }
422
423 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
424 params->key, params->seq_len, params->seq,
425 cs);
426 if (IS_ERR(key))
427 return PTR_ERR(key);
428
429 if (pairwise)
430 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
431
432 if (params->mode == NL80211_KEY_NO_TX)
433 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
434
435 mutex_lock(&local->sta_mtx);
436
437 if (mac_addr) {
438 sta = sta_info_get_bss(sdata, mac_addr);
439 /*
440 * The ASSOC test makes sure the driver is ready to
441 * receive the key. When wpa_supplicant has roamed
442 * using FT, it attempts to set the key before
443 * association has completed, this rejects that attempt
444 * so it will set the key again after association.
445 *
446 * TODO: accept the key if we have a station entry and
447 * add it to the device after the station.
448 */
449 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
450 ieee80211_key_free_unused(key);
451 err = -ENOENT;
452 goto out_unlock;
453 }
454 }
455
456 switch (sdata->vif.type) {
457 case NL80211_IFTYPE_STATION:
458 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
459 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
460 break;
461 case NL80211_IFTYPE_AP:
462 case NL80211_IFTYPE_AP_VLAN:
463 /* Keys without a station are used for TX only */
464 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
465 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
466 break;
467 case NL80211_IFTYPE_ADHOC:
468 /* no MFP (yet) */
469 break;
470 case NL80211_IFTYPE_MESH_POINT:
471 #ifdef CONFIG_MAC80211_MESH
472 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
473 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
474 break;
475 #endif
476 case NL80211_IFTYPE_WDS:
477 case NL80211_IFTYPE_MONITOR:
478 case NL80211_IFTYPE_P2P_DEVICE:
479 case NL80211_IFTYPE_NAN:
480 case NL80211_IFTYPE_UNSPECIFIED:
481 case NUM_NL80211_IFTYPES:
482 case NL80211_IFTYPE_P2P_CLIENT:
483 case NL80211_IFTYPE_P2P_GO:
484 case NL80211_IFTYPE_OCB:
485 /* shouldn't happen */
486 WARN_ON_ONCE(1);
487 break;
488 }
489
490 if (sta)
491 sta->cipher_scheme = cs;
492
493 err = ieee80211_key_link(key, sdata, sta);
494
495 out_unlock:
496 mutex_unlock(&local->sta_mtx);
497
498 return err;
499 }
500
501 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
502 u8 key_idx, bool pairwise, const u8 *mac_addr)
503 {
504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
505 struct ieee80211_local *local = sdata->local;
506 struct sta_info *sta;
507 struct ieee80211_key *key = NULL;
508 int ret;
509
510 mutex_lock(&local->sta_mtx);
511 mutex_lock(&local->key_mtx);
512
513 if (mac_addr) {
514 ret = -ENOENT;
515
516 sta = sta_info_get_bss(sdata, mac_addr);
517 if (!sta)
518 goto out_unlock;
519
520 if (pairwise)
521 key = key_mtx_dereference(local, sta->ptk[key_idx]);
522 else
523 key = key_mtx_dereference(local, sta->gtk[key_idx]);
524 } else
525 key = key_mtx_dereference(local, sdata->keys[key_idx]);
526
527 if (!key) {
528 ret = -ENOENT;
529 goto out_unlock;
530 }
531
532 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
533
534 ret = 0;
535 out_unlock:
536 mutex_unlock(&local->key_mtx);
537 mutex_unlock(&local->sta_mtx);
538
539 return ret;
540 }
541
542 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
543 u8 key_idx, bool pairwise, const u8 *mac_addr,
544 void *cookie,
545 void (*callback)(void *cookie,
546 struct key_params *params))
547 {
548 struct ieee80211_sub_if_data *sdata;
549 struct sta_info *sta = NULL;
550 u8 seq[6] = {0};
551 struct key_params params;
552 struct ieee80211_key *key = NULL;
553 u64 pn64;
554 u32 iv32;
555 u16 iv16;
556 int err = -ENOENT;
557 struct ieee80211_key_seq kseq = {};
558
559 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
560
561 rcu_read_lock();
562
563 if (mac_addr) {
564 sta = sta_info_get_bss(sdata, mac_addr);
565 if (!sta)
566 goto out;
567
568 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
569 key = rcu_dereference(sta->ptk[key_idx]);
570 else if (!pairwise &&
571 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
572 NUM_DEFAULT_BEACON_KEYS)
573 key = rcu_dereference(sta->gtk[key_idx]);
574 } else
575 key = rcu_dereference(sdata->keys[key_idx]);
576
577 if (!key)
578 goto out;
579
580 memset(&params, 0, sizeof(params));
581
582 params.cipher = key->conf.cipher;
583
584 switch (key->conf.cipher) {
585 case WLAN_CIPHER_SUITE_TKIP:
586 pn64 = atomic64_read(&key->conf.tx_pn);
587 iv32 = TKIP_PN_TO_IV32(pn64);
588 iv16 = TKIP_PN_TO_IV16(pn64);
589
590 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
591 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
592 drv_get_key_seq(sdata->local, key, &kseq);
593 iv32 = kseq.tkip.iv32;
594 iv16 = kseq.tkip.iv16;
595 }
596
597 seq[0] = iv16 & 0xff;
598 seq[1] = (iv16 >> 8) & 0xff;
599 seq[2] = iv32 & 0xff;
600 seq[3] = (iv32 >> 8) & 0xff;
601 seq[4] = (iv32 >> 16) & 0xff;
602 seq[5] = (iv32 >> 24) & 0xff;
603 params.seq = seq;
604 params.seq_len = 6;
605 break;
606 case WLAN_CIPHER_SUITE_CCMP:
607 case WLAN_CIPHER_SUITE_CCMP_256:
608 case WLAN_CIPHER_SUITE_AES_CMAC:
609 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
610 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
611 offsetof(typeof(kseq), aes_cmac));
612 fallthrough;
613 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
614 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
615 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
616 offsetof(typeof(kseq), aes_gmac));
617 fallthrough;
618 case WLAN_CIPHER_SUITE_GCMP:
619 case WLAN_CIPHER_SUITE_GCMP_256:
620 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
621 offsetof(typeof(kseq), gcmp));
622
623 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
624 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
625 drv_get_key_seq(sdata->local, key, &kseq);
626 memcpy(seq, kseq.ccmp.pn, 6);
627 } else {
628 pn64 = atomic64_read(&key->conf.tx_pn);
629 seq[0] = pn64;
630 seq[1] = pn64 >> 8;
631 seq[2] = pn64 >> 16;
632 seq[3] = pn64 >> 24;
633 seq[4] = pn64 >> 32;
634 seq[5] = pn64 >> 40;
635 }
636 params.seq = seq;
637 params.seq_len = 6;
638 break;
639 default:
640 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
641 break;
642 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
643 break;
644 drv_get_key_seq(sdata->local, key, &kseq);
645 params.seq = kseq.hw.seq;
646 params.seq_len = kseq.hw.seq_len;
647 break;
648 }
649
650 params.key = key->conf.key;
651 params.key_len = key->conf.keylen;
652
653 callback(cookie, &params);
654 err = 0;
655
656 out:
657 rcu_read_unlock();
658 return err;
659 }
660
661 static int ieee80211_config_default_key(struct wiphy *wiphy,
662 struct net_device *dev,
663 u8 key_idx, bool uni,
664 bool multi)
665 {
666 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
667
668 ieee80211_set_default_key(sdata, key_idx, uni, multi);
669
670 return 0;
671 }
672
673 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
674 struct net_device *dev,
675 u8 key_idx)
676 {
677 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
678
679 ieee80211_set_default_mgmt_key(sdata, key_idx);
680
681 return 0;
682 }
683
684 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
685 struct net_device *dev,
686 u8 key_idx)
687 {
688 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
689
690 ieee80211_set_default_beacon_key(sdata, key_idx);
691
692 return 0;
693 }
694
695 void sta_set_rate_info_tx(struct sta_info *sta,
696 const struct ieee80211_tx_rate *rate,
697 struct rate_info *rinfo)
698 {
699 rinfo->flags = 0;
700 if (rate->flags & IEEE80211_TX_RC_MCS) {
701 rinfo->flags |= RATE_INFO_FLAGS_MCS;
702 rinfo->mcs = rate->idx;
703 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
704 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
705 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
706 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
707 } else {
708 struct ieee80211_supported_band *sband;
709 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
710 u16 brate;
711
712 sband = ieee80211_get_sband(sta->sdata);
713 WARN_ON_ONCE(sband && !sband->bitrates);
714 if (sband && sband->bitrates) {
715 brate = sband->bitrates[rate->idx].bitrate;
716 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
717 }
718 }
719 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
720 rinfo->bw = RATE_INFO_BW_40;
721 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
722 rinfo->bw = RATE_INFO_BW_80;
723 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
724 rinfo->bw = RATE_INFO_BW_160;
725 else
726 rinfo->bw = RATE_INFO_BW_20;
727 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
728 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
729 }
730
731 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
732 int idx, u8 *mac, struct station_info *sinfo)
733 {
734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
735 struct ieee80211_local *local = sdata->local;
736 struct sta_info *sta;
737 int ret = -ENOENT;
738
739 mutex_lock(&local->sta_mtx);
740
741 sta = sta_info_get_by_idx(sdata, idx);
742 if (sta) {
743 ret = 0;
744 memcpy(mac, sta->sta.addr, ETH_ALEN);
745 sta_set_sinfo(sta, sinfo, true);
746 }
747
748 mutex_unlock(&local->sta_mtx);
749
750 return ret;
751 }
752
753 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
754 int idx, struct survey_info *survey)
755 {
756 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
757
758 return drv_get_survey(local, idx, survey);
759 }
760
761 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
762 const u8 *mac, struct station_info *sinfo)
763 {
764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
765 struct ieee80211_local *local = sdata->local;
766 struct sta_info *sta;
767 int ret = -ENOENT;
768
769 mutex_lock(&local->sta_mtx);
770
771 sta = sta_info_get_bss(sdata, mac);
772 if (sta) {
773 ret = 0;
774 sta_set_sinfo(sta, sinfo, true);
775 }
776
777 mutex_unlock(&local->sta_mtx);
778
779 return ret;
780 }
781
782 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
783 struct cfg80211_chan_def *chandef)
784 {
785 struct ieee80211_local *local = wiphy_priv(wiphy);
786 struct ieee80211_sub_if_data *sdata;
787 int ret = 0;
788
789 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
790 return 0;
791
792 mutex_lock(&local->mtx);
793 if (local->use_chanctx) {
794 sdata = rtnl_dereference(local->monitor_sdata);
795 if (sdata) {
796 ieee80211_vif_release_channel(sdata);
797 ret = ieee80211_vif_use_channel(sdata, chandef,
798 IEEE80211_CHANCTX_EXCLUSIVE);
799 }
800 } else if (local->open_count == local->monitors) {
801 local->_oper_chandef = *chandef;
802 ieee80211_hw_config(local, 0);
803 }
804
805 if (ret == 0)
806 local->monitor_chandef = *chandef;
807 mutex_unlock(&local->mtx);
808
809 return ret;
810 }
811
812 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
813 const u8 *resp, size_t resp_len,
814 const struct ieee80211_csa_settings *csa)
815 {
816 struct probe_resp *new, *old;
817
818 if (!resp || !resp_len)
819 return 1;
820
821 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
822
823 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
824 if (!new)
825 return -ENOMEM;
826
827 new->len = resp_len;
828 memcpy(new->data, resp, resp_len);
829
830 if (csa)
831 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
832 csa->n_counter_offsets_presp *
833 sizeof(new->cntdwn_counter_offsets[0]));
834
835 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
836 if (old)
837 kfree_rcu(old, rcu_head);
838
839 return 0;
840 }
841
842 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
843 struct cfg80211_fils_discovery *params)
844 {
845 struct fils_discovery_data *new, *old = NULL;
846 struct ieee80211_fils_discovery *fd;
847
848 if (!params->tmpl || !params->tmpl_len)
849 return -EINVAL;
850
851 fd = &sdata->vif.bss_conf.fils_discovery;
852 fd->min_interval = params->min_interval;
853 fd->max_interval = params->max_interval;
854
855 old = sdata_dereference(sdata->u.ap.fils_discovery, sdata);
856 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
857 if (!new)
858 return -ENOMEM;
859 new->len = params->tmpl_len;
860 memcpy(new->data, params->tmpl, params->tmpl_len);
861 rcu_assign_pointer(sdata->u.ap.fils_discovery, new);
862
863 if (old)
864 kfree_rcu(old, rcu_head);
865
866 return 0;
867 }
868
869 static int
870 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
871 struct cfg80211_unsol_bcast_probe_resp *params)
872 {
873 struct unsol_bcast_probe_resp_data *new, *old = NULL;
874
875 if (!params->tmpl || !params->tmpl_len)
876 return -EINVAL;
877
878 old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata);
879 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
880 if (!new)
881 return -ENOMEM;
882 new->len = params->tmpl_len;
883 memcpy(new->data, params->tmpl, params->tmpl_len);
884 rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new);
885
886 if (old)
887 kfree_rcu(old, rcu_head);
888
889 sdata->vif.bss_conf.unsol_bcast_probe_resp_interval =
890 params->interval;
891
892 return 0;
893 }
894
895 static int ieee80211_set_ftm_responder_params(
896 struct ieee80211_sub_if_data *sdata,
897 const u8 *lci, size_t lci_len,
898 const u8 *civicloc, size_t civicloc_len)
899 {
900 struct ieee80211_ftm_responder_params *new, *old;
901 struct ieee80211_bss_conf *bss_conf;
902 u8 *pos;
903 int len;
904
905 if (!lci_len && !civicloc_len)
906 return 0;
907
908 bss_conf = &sdata->vif.bss_conf;
909 old = bss_conf->ftmr_params;
910 len = lci_len + civicloc_len;
911
912 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
913 if (!new)
914 return -ENOMEM;
915
916 pos = (u8 *)(new + 1);
917 if (lci_len) {
918 new->lci_len = lci_len;
919 new->lci = pos;
920 memcpy(pos, lci, lci_len);
921 pos += lci_len;
922 }
923
924 if (civicloc_len) {
925 new->civicloc_len = civicloc_len;
926 new->civicloc = pos;
927 memcpy(pos, civicloc, civicloc_len);
928 pos += civicloc_len;
929 }
930
931 bss_conf->ftmr_params = new;
932 kfree(old);
933
934 return 0;
935 }
936
937 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
938 struct cfg80211_beacon_data *params,
939 const struct ieee80211_csa_settings *csa)
940 {
941 struct beacon_data *new, *old;
942 int new_head_len, new_tail_len;
943 int size, err;
944 u32 changed = BSS_CHANGED_BEACON;
945
946 old = sdata_dereference(sdata->u.ap.beacon, sdata);
947
948
949 /* Need to have a beacon head if we don't have one yet */
950 if (!params->head && !old)
951 return -EINVAL;
952
953 /* new or old head? */
954 if (params->head)
955 new_head_len = params->head_len;
956 else
957 new_head_len = old->head_len;
958
959 /* new or old tail? */
960 if (params->tail || !old)
961 /* params->tail_len will be zero for !params->tail */
962 new_tail_len = params->tail_len;
963 else
964 new_tail_len = old->tail_len;
965
966 size = sizeof(*new) + new_head_len + new_tail_len;
967
968 new = kzalloc(size, GFP_KERNEL);
969 if (!new)
970 return -ENOMEM;
971
972 /* start filling the new info now */
973
974 /*
975 * pointers go into the block we allocated,
976 * memory is | beacon_data | head | tail |
977 */
978 new->head = ((u8 *) new) + sizeof(*new);
979 new->tail = new->head + new_head_len;
980 new->head_len = new_head_len;
981 new->tail_len = new_tail_len;
982
983 if (csa) {
984 new->cntdwn_current_counter = csa->count;
985 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
986 csa->n_counter_offsets_beacon *
987 sizeof(new->cntdwn_counter_offsets[0]));
988 }
989
990 /* copy in head */
991 if (params->head)
992 memcpy(new->head, params->head, new_head_len);
993 else
994 memcpy(new->head, old->head, new_head_len);
995
996 /* copy in optional tail */
997 if (params->tail)
998 memcpy(new->tail, params->tail, new_tail_len);
999 else
1000 if (old)
1001 memcpy(new->tail, old->tail, new_tail_len);
1002
1003 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1004 params->probe_resp_len, csa);
1005 if (err < 0) {
1006 kfree(new);
1007 return err;
1008 }
1009 if (err == 0)
1010 changed |= BSS_CHANGED_AP_PROBE_RESP;
1011
1012 if (params->ftm_responder != -1) {
1013 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
1014 err = ieee80211_set_ftm_responder_params(sdata,
1015 params->lci,
1016 params->lci_len,
1017 params->civicloc,
1018 params->civicloc_len);
1019
1020 if (err < 0) {
1021 kfree(new);
1022 return err;
1023 }
1024
1025 changed |= BSS_CHANGED_FTM_RESPONDER;
1026 }
1027
1028 rcu_assign_pointer(sdata->u.ap.beacon, new);
1029
1030 if (old)
1031 kfree_rcu(old, rcu_head);
1032
1033 return changed;
1034 }
1035
1036 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1037 struct cfg80211_ap_settings *params)
1038 {
1039 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1040 struct ieee80211_local *local = sdata->local;
1041 struct beacon_data *old;
1042 struct ieee80211_sub_if_data *vlan;
1043 u32 changed = BSS_CHANGED_BEACON_INT |
1044 BSS_CHANGED_BEACON_ENABLED |
1045 BSS_CHANGED_BEACON |
1046 BSS_CHANGED_SSID |
1047 BSS_CHANGED_P2P_PS |
1048 BSS_CHANGED_TXPOWER |
1049 BSS_CHANGED_TWT;
1050 int i, err;
1051 int prev_beacon_int;
1052
1053 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1054 if (old)
1055 return -EALREADY;
1056
1057 if (params->smps_mode != NL80211_SMPS_OFF)
1058 return -ENOTSUPP;
1059
1060 sdata->smps_mode = IEEE80211_SMPS_OFF;
1061
1062 sdata->needed_rx_chains = sdata->local->rx_chains;
1063
1064 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1065 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1066
1067 if (params->he_cap && params->he_oper) {
1068 sdata->vif.bss_conf.he_support = true;
1069 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1070 le32_get_bits(params->he_oper->he_oper_params,
1071 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1072 sdata->vif.bss_conf.frame_time_rts_th =
1073 le32_get_bits(params->he_oper->he_oper_params,
1074 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1075 changed |= BSS_CHANGED_HE_OBSS_PD;
1076
1077 if (params->he_bss_color.enabled)
1078 changed |= BSS_CHANGED_HE_BSS_COLOR;
1079 }
1080
1081 mutex_lock(&local->mtx);
1082 err = ieee80211_vif_use_channel(sdata, &params->chandef,
1083 IEEE80211_CHANCTX_SHARED);
1084 if (!err)
1085 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1086 mutex_unlock(&local->mtx);
1087 if (err) {
1088 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1089 return err;
1090 }
1091
1092 /*
1093 * Apply control port protocol, this allows us to
1094 * not encrypt dynamic WEP control frames.
1095 */
1096 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1097 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1098 sdata->control_port_over_nl80211 =
1099 params->crypto.control_port_over_nl80211;
1100 sdata->control_port_no_preauth =
1101 params->crypto.control_port_no_preauth;
1102 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1103 &params->crypto,
1104 sdata->vif.type);
1105
1106 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1107 vlan->control_port_protocol =
1108 params->crypto.control_port_ethertype;
1109 vlan->control_port_no_encrypt =
1110 params->crypto.control_port_no_encrypt;
1111 vlan->control_port_over_nl80211 =
1112 params->crypto.control_port_over_nl80211;
1113 vlan->control_port_no_preauth =
1114 params->crypto.control_port_no_preauth;
1115 vlan->encrypt_headroom =
1116 ieee80211_cs_headroom(sdata->local,
1117 &params->crypto,
1118 vlan->vif.type);
1119 }
1120
1121 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1122 sdata->vif.bss_conf.enable_beacon = true;
1123 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1124 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1125 sdata->vif.bss_conf.he_obss_pd = params->he_obss_pd;
1126 sdata->vif.bss_conf.he_bss_color = params->he_bss_color;
1127 sdata->vif.bss_conf.s1g = params->chandef.chan->band ==
1128 NL80211_BAND_S1GHZ;
1129
1130 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1131 if (params->ssid_len)
1132 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1133 params->ssid_len);
1134 sdata->vif.bss_conf.hidden_ssid =
1135 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1136
1137 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1138 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1139 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1140 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1141 if (params->p2p_opp_ps)
1142 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1143 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1144
1145 sdata->beacon_rate_set = false;
1146 if (wiphy_ext_feature_isset(local->hw.wiphy,
1147 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1148 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1149 sdata->beacon_rateidx_mask[i] =
1150 params->beacon_rate.control[i].legacy;
1151 if (sdata->beacon_rateidx_mask[i])
1152 sdata->beacon_rate_set = true;
1153 }
1154 }
1155
1156 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1157 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate;
1158
1159 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1160 if (err < 0)
1161 goto error;
1162 changed |= err;
1163
1164 if (params->fils_discovery.max_interval) {
1165 err = ieee80211_set_fils_discovery(sdata,
1166 &params->fils_discovery);
1167 if (err < 0)
1168 goto error;
1169 changed |= BSS_CHANGED_FILS_DISCOVERY;
1170 }
1171
1172 if (params->unsol_bcast_probe_resp.interval) {
1173 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1174 &params->unsol_bcast_probe_resp);
1175 if (err < 0)
1176 goto error;
1177 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1178 }
1179
1180 err = drv_start_ap(sdata->local, sdata);
1181 if (err) {
1182 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1183
1184 if (old)
1185 kfree_rcu(old, rcu_head);
1186 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1187 goto error;
1188 }
1189
1190 ieee80211_recalc_dtim(local, sdata);
1191 ieee80211_bss_info_change_notify(sdata, changed);
1192
1193 netif_carrier_on(dev);
1194 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1195 netif_carrier_on(vlan->dev);
1196
1197 return 0;
1198
1199 error:
1200 ieee80211_vif_release_channel(sdata);
1201 return err;
1202 }
1203
1204 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1205 struct cfg80211_beacon_data *params)
1206 {
1207 struct ieee80211_sub_if_data *sdata;
1208 struct beacon_data *old;
1209 int err;
1210
1211 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1212 sdata_assert_lock(sdata);
1213
1214 /* don't allow changing the beacon while CSA is in place - offset
1215 * of channel switch counter may change
1216 */
1217 if (sdata->vif.csa_active)
1218 return -EBUSY;
1219
1220 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1221 if (!old)
1222 return -ENOENT;
1223
1224 err = ieee80211_assign_beacon(sdata, params, NULL);
1225 if (err < 0)
1226 return err;
1227 ieee80211_bss_info_change_notify(sdata, err);
1228 return 0;
1229 }
1230
1231 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1232 {
1233 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1234 struct ieee80211_sub_if_data *vlan;
1235 struct ieee80211_local *local = sdata->local;
1236 struct beacon_data *old_beacon;
1237 struct probe_resp *old_probe_resp;
1238 struct fils_discovery_data *old_fils_discovery;
1239 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1240 struct cfg80211_chan_def chandef;
1241
1242 sdata_assert_lock(sdata);
1243
1244 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1245 if (!old_beacon)
1246 return -ENOENT;
1247 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1248 old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery,
1249 sdata);
1250 old_unsol_bcast_probe_resp =
1251 sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp,
1252 sdata);
1253
1254 /* abort any running channel switch */
1255 mutex_lock(&local->mtx);
1256 sdata->vif.csa_active = false;
1257 if (sdata->csa_block_tx) {
1258 ieee80211_wake_vif_queues(local, sdata,
1259 IEEE80211_QUEUE_STOP_REASON_CSA);
1260 sdata->csa_block_tx = false;
1261 }
1262
1263 mutex_unlock(&local->mtx);
1264
1265 kfree(sdata->u.ap.next_beacon);
1266 sdata->u.ap.next_beacon = NULL;
1267
1268 /* turn off carrier for this interface and dependent VLANs */
1269 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1270 netif_carrier_off(vlan->dev);
1271 netif_carrier_off(dev);
1272
1273 /* remove beacon and probe response */
1274 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1275 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1276 RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL);
1277 RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL);
1278 kfree_rcu(old_beacon, rcu_head);
1279 if (old_probe_resp)
1280 kfree_rcu(old_probe_resp, rcu_head);
1281 if (old_fils_discovery)
1282 kfree_rcu(old_fils_discovery, rcu_head);
1283 if (old_unsol_bcast_probe_resp)
1284 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1285
1286 kfree(sdata->vif.bss_conf.ftmr_params);
1287 sdata->vif.bss_conf.ftmr_params = NULL;
1288
1289 __sta_info_flush(sdata, true);
1290 ieee80211_free_keys(sdata, true);
1291
1292 sdata->vif.bss_conf.enable_beacon = false;
1293 sdata->beacon_rate_set = false;
1294 sdata->vif.bss_conf.ssid_len = 0;
1295 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1296 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1297
1298 if (sdata->wdev.cac_started) {
1299 chandef = sdata->vif.bss_conf.chandef;
1300 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1301 cfg80211_cac_event(sdata->dev, &chandef,
1302 NL80211_RADAR_CAC_ABORTED,
1303 GFP_KERNEL);
1304 }
1305
1306 drv_stop_ap(sdata->local, sdata);
1307
1308 /* free all potentially still buffered bcast frames */
1309 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1310 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1311
1312 mutex_lock(&local->mtx);
1313 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1314 ieee80211_vif_release_channel(sdata);
1315 mutex_unlock(&local->mtx);
1316
1317 return 0;
1318 }
1319
1320 static int sta_apply_auth_flags(struct ieee80211_local *local,
1321 struct sta_info *sta,
1322 u32 mask, u32 set)
1323 {
1324 int ret;
1325
1326 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1327 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1328 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1329 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1330 if (ret)
1331 return ret;
1332 }
1333
1334 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1335 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1336 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1337 /*
1338 * When peer becomes associated, init rate control as
1339 * well. Some drivers require rate control initialized
1340 * before drv_sta_state() is called.
1341 */
1342 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1343 rate_control_rate_init(sta);
1344
1345 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1346 if (ret)
1347 return ret;
1348 }
1349
1350 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1351 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1352 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1353 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1354 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1355 else
1356 ret = 0;
1357 if (ret)
1358 return ret;
1359 }
1360
1361 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1362 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1363 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1364 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1365 if (ret)
1366 return ret;
1367 }
1368
1369 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1370 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1371 test_sta_flag(sta, WLAN_STA_AUTH)) {
1372 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1373 if (ret)
1374 return ret;
1375 }
1376
1377 return 0;
1378 }
1379
1380 static void sta_apply_mesh_params(struct ieee80211_local *local,
1381 struct sta_info *sta,
1382 struct station_parameters *params)
1383 {
1384 #ifdef CONFIG_MAC80211_MESH
1385 struct ieee80211_sub_if_data *sdata = sta->sdata;
1386 u32 changed = 0;
1387
1388 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1389 switch (params->plink_state) {
1390 case NL80211_PLINK_ESTAB:
1391 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1392 changed = mesh_plink_inc_estab_count(sdata);
1393 sta->mesh->plink_state = params->plink_state;
1394 sta->mesh->aid = params->peer_aid;
1395
1396 ieee80211_mps_sta_status_update(sta);
1397 changed |= ieee80211_mps_set_sta_local_pm(sta,
1398 sdata->u.mesh.mshcfg.power_mode);
1399
1400 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1401 /* init at low value */
1402 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1403
1404 break;
1405 case NL80211_PLINK_LISTEN:
1406 case NL80211_PLINK_BLOCKED:
1407 case NL80211_PLINK_OPN_SNT:
1408 case NL80211_PLINK_OPN_RCVD:
1409 case NL80211_PLINK_CNF_RCVD:
1410 case NL80211_PLINK_HOLDING:
1411 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1412 changed = mesh_plink_dec_estab_count(sdata);
1413 sta->mesh->plink_state = params->plink_state;
1414
1415 ieee80211_mps_sta_status_update(sta);
1416 changed |= ieee80211_mps_set_sta_local_pm(sta,
1417 NL80211_MESH_POWER_UNKNOWN);
1418 break;
1419 default:
1420 /* nothing */
1421 break;
1422 }
1423 }
1424
1425 switch (params->plink_action) {
1426 case NL80211_PLINK_ACTION_NO_ACTION:
1427 /* nothing */
1428 break;
1429 case NL80211_PLINK_ACTION_OPEN:
1430 changed |= mesh_plink_open(sta);
1431 break;
1432 case NL80211_PLINK_ACTION_BLOCK:
1433 changed |= mesh_plink_block(sta);
1434 break;
1435 }
1436
1437 if (params->local_pm)
1438 changed |= ieee80211_mps_set_sta_local_pm(sta,
1439 params->local_pm);
1440
1441 ieee80211_mbss_info_change_notify(sdata, changed);
1442 #endif
1443 }
1444
1445 static int sta_apply_parameters(struct ieee80211_local *local,
1446 struct sta_info *sta,
1447 struct station_parameters *params)
1448 {
1449 int ret = 0;
1450 struct ieee80211_supported_band *sband;
1451 struct ieee80211_sub_if_data *sdata = sta->sdata;
1452 u32 mask, set;
1453
1454 sband = ieee80211_get_sband(sdata);
1455 if (!sband)
1456 return -EINVAL;
1457
1458 mask = params->sta_flags_mask;
1459 set = params->sta_flags_set;
1460
1461 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1462 /*
1463 * In mesh mode, ASSOCIATED isn't part of the nl80211
1464 * API but must follow AUTHENTICATED for driver state.
1465 */
1466 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1467 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1468 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1469 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1470 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1471 /*
1472 * TDLS -- everything follows authorized, but
1473 * only becoming authorized is possible, not
1474 * going back
1475 */
1476 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1477 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1478 BIT(NL80211_STA_FLAG_ASSOCIATED);
1479 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1480 BIT(NL80211_STA_FLAG_ASSOCIATED);
1481 }
1482 }
1483
1484 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1485 local->hw.queues >= IEEE80211_NUM_ACS)
1486 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1487
1488 /* auth flags will be set later for TDLS,
1489 * and for unassociated stations that move to assocaited */
1490 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1491 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1492 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1493 ret = sta_apply_auth_flags(local, sta, mask, set);
1494 if (ret)
1495 return ret;
1496 }
1497
1498 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1499 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1500 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1501 else
1502 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1503 }
1504
1505 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1506 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1507 if (set & BIT(NL80211_STA_FLAG_MFP))
1508 set_sta_flag(sta, WLAN_STA_MFP);
1509 else
1510 clear_sta_flag(sta, WLAN_STA_MFP);
1511 }
1512
1513 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1514 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1515 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1516 else
1517 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1518 }
1519
1520 /* mark TDLS channel switch support, if the AP allows it */
1521 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1522 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1523 params->ext_capab_len >= 4 &&
1524 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1525 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1526
1527 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1528 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1529 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1530 params->ext_capab_len >= 8 &&
1531 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1532 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1533
1534 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1535 sta->sta.uapsd_queues = params->uapsd_queues;
1536 sta->sta.max_sp = params->max_sp;
1537 }
1538
1539 /* The sender might not have sent the last bit, consider it to be 0 */
1540 if (params->ext_capab_len >= 8) {
1541 u8 val = (params->ext_capab[7] &
1542 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1543
1544 /* we did get all the bits, take the MSB as well */
1545 if (params->ext_capab_len >= 9) {
1546 u8 val_msb = params->ext_capab[8] &
1547 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1548 val_msb <<= 1;
1549 val |= val_msb;
1550 }
1551
1552 switch (val) {
1553 case 1:
1554 sta->sta.max_amsdu_subframes = 32;
1555 break;
1556 case 2:
1557 sta->sta.max_amsdu_subframes = 16;
1558 break;
1559 case 3:
1560 sta->sta.max_amsdu_subframes = 8;
1561 break;
1562 default:
1563 sta->sta.max_amsdu_subframes = 0;
1564 }
1565 }
1566
1567 /*
1568 * cfg80211 validates this (1-2007) and allows setting the AID
1569 * only when creating a new station entry
1570 */
1571 if (params->aid)
1572 sta->sta.aid = params->aid;
1573
1574 /*
1575 * Some of the following updates would be racy if called on an
1576 * existing station, via ieee80211_change_station(). However,
1577 * all such changes are rejected by cfg80211 except for updates
1578 * changing the supported rates on an existing but not yet used
1579 * TDLS peer.
1580 */
1581
1582 if (params->listen_interval >= 0)
1583 sta->listen_interval = params->listen_interval;
1584
1585 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1586 sta->sta.txpwr.type = params->txpwr.type;
1587 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1588 sta->sta.txpwr.power = params->txpwr.power;
1589 ret = drv_sta_set_txpwr(local, sdata, sta);
1590 if (ret)
1591 return ret;
1592 }
1593
1594 if (params->supported_rates && params->supported_rates_len) {
1595 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1596 sband, params->supported_rates,
1597 params->supported_rates_len,
1598 &sta->sta.supp_rates[sband->band]);
1599 }
1600
1601 if (params->ht_capa)
1602 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1603 params->ht_capa, sta);
1604
1605 /* VHT can override some HT caps such as the A-MSDU max length */
1606 if (params->vht_capa)
1607 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1608 params->vht_capa, sta);
1609
1610 if (params->he_capa)
1611 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1612 (void *)params->he_capa,
1613 params->he_capa_len,
1614 (void *)params->he_6ghz_capa,
1615 sta);
1616
1617 if (params->opmode_notif_used) {
1618 /* returned value is only needed for rc update, but the
1619 * rc isn't initialized here yet, so ignore it
1620 */
1621 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1622 sband->band);
1623 }
1624
1625 if (params->support_p2p_ps >= 0)
1626 sta->sta.support_p2p_ps = params->support_p2p_ps;
1627
1628 if (ieee80211_vif_is_mesh(&sdata->vif))
1629 sta_apply_mesh_params(local, sta, params);
1630
1631 if (params->airtime_weight)
1632 sta->airtime_weight = params->airtime_weight;
1633
1634 /* set the STA state after all sta info from usermode has been set */
1635 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1636 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1637 ret = sta_apply_auth_flags(local, sta, mask, set);
1638 if (ret)
1639 return ret;
1640 }
1641
1642 return 0;
1643 }
1644
1645 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1646 const u8 *mac,
1647 struct station_parameters *params)
1648 {
1649 struct ieee80211_local *local = wiphy_priv(wiphy);
1650 struct sta_info *sta;
1651 struct ieee80211_sub_if_data *sdata;
1652 int err;
1653
1654 if (params->vlan) {
1655 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1656
1657 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1658 sdata->vif.type != NL80211_IFTYPE_AP)
1659 return -EINVAL;
1660 } else
1661 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1662
1663 if (ether_addr_equal(mac, sdata->vif.addr))
1664 return -EINVAL;
1665
1666 if (!is_valid_ether_addr(mac))
1667 return -EINVAL;
1668
1669 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1670 sdata->vif.type == NL80211_IFTYPE_STATION &&
1671 !sdata->u.mgd.associated)
1672 return -EINVAL;
1673
1674 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1675 if (!sta)
1676 return -ENOMEM;
1677
1678 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1679 sta->sta.tdls = true;
1680
1681 err = sta_apply_parameters(local, sta, params);
1682 if (err) {
1683 sta_info_free(local, sta);
1684 return err;
1685 }
1686
1687 /*
1688 * for TDLS and for unassociated station, rate control should be
1689 * initialized only when rates are known and station is marked
1690 * authorized/associated
1691 */
1692 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1693 test_sta_flag(sta, WLAN_STA_ASSOC))
1694 rate_control_rate_init(sta);
1695
1696 err = sta_info_insert_rcu(sta);
1697 if (err) {
1698 rcu_read_unlock();
1699 return err;
1700 }
1701
1702 rcu_read_unlock();
1703
1704 return 0;
1705 }
1706
1707 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1708 struct station_del_parameters *params)
1709 {
1710 struct ieee80211_sub_if_data *sdata;
1711
1712 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1713
1714 if (params->mac)
1715 return sta_info_destroy_addr_bss(sdata, params->mac);
1716
1717 sta_info_flush(sdata);
1718 return 0;
1719 }
1720
1721 static int ieee80211_change_station(struct wiphy *wiphy,
1722 struct net_device *dev, const u8 *mac,
1723 struct station_parameters *params)
1724 {
1725 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1726 struct ieee80211_local *local = wiphy_priv(wiphy);
1727 struct sta_info *sta;
1728 struct ieee80211_sub_if_data *vlansdata;
1729 enum cfg80211_station_type statype;
1730 int err;
1731
1732 mutex_lock(&local->sta_mtx);
1733
1734 sta = sta_info_get_bss(sdata, mac);
1735 if (!sta) {
1736 err = -ENOENT;
1737 goto out_err;
1738 }
1739
1740 switch (sdata->vif.type) {
1741 case NL80211_IFTYPE_MESH_POINT:
1742 if (sdata->u.mesh.user_mpm)
1743 statype = CFG80211_STA_MESH_PEER_USER;
1744 else
1745 statype = CFG80211_STA_MESH_PEER_KERNEL;
1746 break;
1747 case NL80211_IFTYPE_ADHOC:
1748 statype = CFG80211_STA_IBSS;
1749 break;
1750 case NL80211_IFTYPE_STATION:
1751 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1752 statype = CFG80211_STA_AP_STA;
1753 break;
1754 }
1755 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1756 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1757 else
1758 statype = CFG80211_STA_TDLS_PEER_SETUP;
1759 break;
1760 case NL80211_IFTYPE_AP:
1761 case NL80211_IFTYPE_AP_VLAN:
1762 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1763 statype = CFG80211_STA_AP_CLIENT;
1764 else
1765 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1766 break;
1767 default:
1768 err = -EOPNOTSUPP;
1769 goto out_err;
1770 }
1771
1772 err = cfg80211_check_station_change(wiphy, params, statype);
1773 if (err)
1774 goto out_err;
1775
1776 if (params->vlan && params->vlan != sta->sdata->dev) {
1777 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1778
1779 if (params->vlan->ieee80211_ptr->use_4addr) {
1780 if (vlansdata->u.vlan.sta) {
1781 err = -EBUSY;
1782 goto out_err;
1783 }
1784
1785 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1786 __ieee80211_check_fast_rx_iface(vlansdata);
1787 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1788 }
1789
1790 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1791 sta->sdata->u.vlan.sta)
1792 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1793
1794 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1795 ieee80211_vif_dec_num_mcast(sta->sdata);
1796
1797 sta->sdata = vlansdata;
1798 ieee80211_check_fast_xmit(sta);
1799
1800 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1801 ieee80211_vif_inc_num_mcast(sta->sdata);
1802 cfg80211_send_layer2_update(sta->sdata->dev,
1803 sta->sta.addr);
1804 }
1805 }
1806
1807 err = sta_apply_parameters(local, sta, params);
1808 if (err)
1809 goto out_err;
1810
1811 mutex_unlock(&local->sta_mtx);
1812
1813 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1814 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1815 ieee80211_recalc_ps(local);
1816 ieee80211_recalc_ps_vif(sdata);
1817 }
1818
1819 return 0;
1820 out_err:
1821 mutex_unlock(&local->sta_mtx);
1822 return err;
1823 }
1824
1825 #ifdef CONFIG_MAC80211_MESH
1826 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1827 const u8 *dst, const u8 *next_hop)
1828 {
1829 struct ieee80211_sub_if_data *sdata;
1830 struct mesh_path *mpath;
1831 struct sta_info *sta;
1832
1833 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1834
1835 rcu_read_lock();
1836 sta = sta_info_get(sdata, next_hop);
1837 if (!sta) {
1838 rcu_read_unlock();
1839 return -ENOENT;
1840 }
1841
1842 mpath = mesh_path_add(sdata, dst);
1843 if (IS_ERR(mpath)) {
1844 rcu_read_unlock();
1845 return PTR_ERR(mpath);
1846 }
1847
1848 mesh_path_fix_nexthop(mpath, sta);
1849
1850 rcu_read_unlock();
1851 return 0;
1852 }
1853
1854 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1855 const u8 *dst)
1856 {
1857 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1858
1859 if (dst)
1860 return mesh_path_del(sdata, dst);
1861
1862 mesh_path_flush_by_iface(sdata);
1863 return 0;
1864 }
1865
1866 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1867 const u8 *dst, const u8 *next_hop)
1868 {
1869 struct ieee80211_sub_if_data *sdata;
1870 struct mesh_path *mpath;
1871 struct sta_info *sta;
1872
1873 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1874
1875 rcu_read_lock();
1876
1877 sta = sta_info_get(sdata, next_hop);
1878 if (!sta) {
1879 rcu_read_unlock();
1880 return -ENOENT;
1881 }
1882
1883 mpath = mesh_path_lookup(sdata, dst);
1884 if (!mpath) {
1885 rcu_read_unlock();
1886 return -ENOENT;
1887 }
1888
1889 mesh_path_fix_nexthop(mpath, sta);
1890
1891 rcu_read_unlock();
1892 return 0;
1893 }
1894
1895 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1896 struct mpath_info *pinfo)
1897 {
1898 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1899
1900 if (next_hop_sta)
1901 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1902 else
1903 eth_zero_addr(next_hop);
1904
1905 memset(pinfo, 0, sizeof(*pinfo));
1906
1907 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1908
1909 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1910 MPATH_INFO_SN |
1911 MPATH_INFO_METRIC |
1912 MPATH_INFO_EXPTIME |
1913 MPATH_INFO_DISCOVERY_TIMEOUT |
1914 MPATH_INFO_DISCOVERY_RETRIES |
1915 MPATH_INFO_FLAGS |
1916 MPATH_INFO_HOP_COUNT |
1917 MPATH_INFO_PATH_CHANGE;
1918
1919 pinfo->frame_qlen = mpath->frame_queue.qlen;
1920 pinfo->sn = mpath->sn;
1921 pinfo->metric = mpath->metric;
1922 if (time_before(jiffies, mpath->exp_time))
1923 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1924 pinfo->discovery_timeout =
1925 jiffies_to_msecs(mpath->discovery_timeout);
1926 pinfo->discovery_retries = mpath->discovery_retries;
1927 if (mpath->flags & MESH_PATH_ACTIVE)
1928 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1929 if (mpath->flags & MESH_PATH_RESOLVING)
1930 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1931 if (mpath->flags & MESH_PATH_SN_VALID)
1932 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1933 if (mpath->flags & MESH_PATH_FIXED)
1934 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1935 if (mpath->flags & MESH_PATH_RESOLVED)
1936 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1937 pinfo->hop_count = mpath->hop_count;
1938 pinfo->path_change_count = mpath->path_change_count;
1939 }
1940
1941 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1942 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1943
1944 {
1945 struct ieee80211_sub_if_data *sdata;
1946 struct mesh_path *mpath;
1947
1948 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1949
1950 rcu_read_lock();
1951 mpath = mesh_path_lookup(sdata, dst);
1952 if (!mpath) {
1953 rcu_read_unlock();
1954 return -ENOENT;
1955 }
1956 memcpy(dst, mpath->dst, ETH_ALEN);
1957 mpath_set_pinfo(mpath, next_hop, pinfo);
1958 rcu_read_unlock();
1959 return 0;
1960 }
1961
1962 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1963 int idx, u8 *dst, u8 *next_hop,
1964 struct mpath_info *pinfo)
1965 {
1966 struct ieee80211_sub_if_data *sdata;
1967 struct mesh_path *mpath;
1968
1969 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1970
1971 rcu_read_lock();
1972 mpath = mesh_path_lookup_by_idx(sdata, idx);
1973 if (!mpath) {
1974 rcu_read_unlock();
1975 return -ENOENT;
1976 }
1977 memcpy(dst, mpath->dst, ETH_ALEN);
1978 mpath_set_pinfo(mpath, next_hop, pinfo);
1979 rcu_read_unlock();
1980 return 0;
1981 }
1982
1983 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1984 struct mpath_info *pinfo)
1985 {
1986 memset(pinfo, 0, sizeof(*pinfo));
1987 memcpy(mpp, mpath->mpp, ETH_ALEN);
1988
1989 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1990 }
1991
1992 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1993 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1994
1995 {
1996 struct ieee80211_sub_if_data *sdata;
1997 struct mesh_path *mpath;
1998
1999 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2000
2001 rcu_read_lock();
2002 mpath = mpp_path_lookup(sdata, dst);
2003 if (!mpath) {
2004 rcu_read_unlock();
2005 return -ENOENT;
2006 }
2007 memcpy(dst, mpath->dst, ETH_ALEN);
2008 mpp_set_pinfo(mpath, mpp, pinfo);
2009 rcu_read_unlock();
2010 return 0;
2011 }
2012
2013 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2014 int idx, u8 *dst, u8 *mpp,
2015 struct mpath_info *pinfo)
2016 {
2017 struct ieee80211_sub_if_data *sdata;
2018 struct mesh_path *mpath;
2019
2020 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2021
2022 rcu_read_lock();
2023 mpath = mpp_path_lookup_by_idx(sdata, idx);
2024 if (!mpath) {
2025 rcu_read_unlock();
2026 return -ENOENT;
2027 }
2028 memcpy(dst, mpath->dst, ETH_ALEN);
2029 mpp_set_pinfo(mpath, mpp, pinfo);
2030 rcu_read_unlock();
2031 return 0;
2032 }
2033
2034 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2035 struct net_device *dev,
2036 struct mesh_config *conf)
2037 {
2038 struct ieee80211_sub_if_data *sdata;
2039 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2040
2041 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2042 return 0;
2043 }
2044
2045 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2046 {
2047 return (mask >> (parm-1)) & 0x1;
2048 }
2049
2050 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2051 const struct mesh_setup *setup)
2052 {
2053 u8 *new_ie;
2054 const u8 *old_ie;
2055 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2056 struct ieee80211_sub_if_data, u.mesh);
2057 int i;
2058
2059 /* allocate information elements */
2060 new_ie = NULL;
2061 old_ie = ifmsh->ie;
2062
2063 if (setup->ie_len) {
2064 new_ie = kmemdup(setup->ie, setup->ie_len,
2065 GFP_KERNEL);
2066 if (!new_ie)
2067 return -ENOMEM;
2068 }
2069 ifmsh->ie_len = setup->ie_len;
2070 ifmsh->ie = new_ie;
2071 kfree(old_ie);
2072
2073 /* now copy the rest of the setup parameters */
2074 ifmsh->mesh_id_len = setup->mesh_id_len;
2075 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2076 ifmsh->mesh_sp_id = setup->sync_method;
2077 ifmsh->mesh_pp_id = setup->path_sel_proto;
2078 ifmsh->mesh_pm_id = setup->path_metric;
2079 ifmsh->user_mpm = setup->user_mpm;
2080 ifmsh->mesh_auth_id = setup->auth_id;
2081 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2082 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2083 if (setup->is_authenticated)
2084 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2085 if (setup->is_secure)
2086 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2087
2088 /* mcast rate setting in Mesh Node */
2089 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2090 sizeof(setup->mcast_rate));
2091 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2092
2093 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2094 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2095
2096 sdata->beacon_rate_set = false;
2097 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2098 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2099 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2100 sdata->beacon_rateidx_mask[i] =
2101 setup->beacon_rate.control[i].legacy;
2102 if (sdata->beacon_rateidx_mask[i])
2103 sdata->beacon_rate_set = true;
2104 }
2105 }
2106
2107 return 0;
2108 }
2109
2110 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2111 struct net_device *dev, u32 mask,
2112 const struct mesh_config *nconf)
2113 {
2114 struct mesh_config *conf;
2115 struct ieee80211_sub_if_data *sdata;
2116 struct ieee80211_if_mesh *ifmsh;
2117
2118 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2119 ifmsh = &sdata->u.mesh;
2120
2121 /* Set the config options which we are interested in setting */
2122 conf = &(sdata->u.mesh.mshcfg);
2123 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2124 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2125 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2126 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2127 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2128 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2129 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2130 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2131 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2132 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2133 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2134 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2135 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2136 conf->element_ttl = nconf->element_ttl;
2137 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2138 if (ifmsh->user_mpm)
2139 return -EBUSY;
2140 conf->auto_open_plinks = nconf->auto_open_plinks;
2141 }
2142 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2143 conf->dot11MeshNbrOffsetMaxNeighbor =
2144 nconf->dot11MeshNbrOffsetMaxNeighbor;
2145 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2146 conf->dot11MeshHWMPmaxPREQretries =
2147 nconf->dot11MeshHWMPmaxPREQretries;
2148 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2149 conf->path_refresh_time = nconf->path_refresh_time;
2150 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2151 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2152 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2153 conf->dot11MeshHWMPactivePathTimeout =
2154 nconf->dot11MeshHWMPactivePathTimeout;
2155 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2156 conf->dot11MeshHWMPpreqMinInterval =
2157 nconf->dot11MeshHWMPpreqMinInterval;
2158 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2159 conf->dot11MeshHWMPperrMinInterval =
2160 nconf->dot11MeshHWMPperrMinInterval;
2161 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2162 mask))
2163 conf->dot11MeshHWMPnetDiameterTraversalTime =
2164 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2165 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2166 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2167 ieee80211_mesh_root_setup(ifmsh);
2168 }
2169 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2170 /* our current gate announcement implementation rides on root
2171 * announcements, so require this ifmsh to also be a root node
2172 * */
2173 if (nconf->dot11MeshGateAnnouncementProtocol &&
2174 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2175 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2176 ieee80211_mesh_root_setup(ifmsh);
2177 }
2178 conf->dot11MeshGateAnnouncementProtocol =
2179 nconf->dot11MeshGateAnnouncementProtocol;
2180 }
2181 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2182 conf->dot11MeshHWMPRannInterval =
2183 nconf->dot11MeshHWMPRannInterval;
2184 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2185 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2186 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2187 /* our RSSI threshold implementation is supported only for
2188 * devices that report signal in dBm.
2189 */
2190 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2191 return -ENOTSUPP;
2192 conf->rssi_threshold = nconf->rssi_threshold;
2193 }
2194 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2195 conf->ht_opmode = nconf->ht_opmode;
2196 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2197 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2198 }
2199 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2200 conf->dot11MeshHWMPactivePathToRootTimeout =
2201 nconf->dot11MeshHWMPactivePathToRootTimeout;
2202 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2203 conf->dot11MeshHWMProotInterval =
2204 nconf->dot11MeshHWMProotInterval;
2205 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2206 conf->dot11MeshHWMPconfirmationInterval =
2207 nconf->dot11MeshHWMPconfirmationInterval;
2208 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2209 conf->power_mode = nconf->power_mode;
2210 ieee80211_mps_local_status_update(sdata);
2211 }
2212 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2213 conf->dot11MeshAwakeWindowDuration =
2214 nconf->dot11MeshAwakeWindowDuration;
2215 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2216 conf->plink_timeout = nconf->plink_timeout;
2217 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2218 conf->dot11MeshConnectedToMeshGate =
2219 nconf->dot11MeshConnectedToMeshGate;
2220 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2221 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2222 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2223 conf->dot11MeshConnectedToAuthServer =
2224 nconf->dot11MeshConnectedToAuthServer;
2225 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2226 return 0;
2227 }
2228
2229 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2230 const struct mesh_config *conf,
2231 const struct mesh_setup *setup)
2232 {
2233 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2234 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2235 int err;
2236
2237 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2238 err = copy_mesh_setup(ifmsh, setup);
2239 if (err)
2240 return err;
2241
2242 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2243
2244 /* can mesh use other SMPS modes? */
2245 sdata->smps_mode = IEEE80211_SMPS_OFF;
2246 sdata->needed_rx_chains = sdata->local->rx_chains;
2247
2248 mutex_lock(&sdata->local->mtx);
2249 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2250 IEEE80211_CHANCTX_SHARED);
2251 mutex_unlock(&sdata->local->mtx);
2252 if (err)
2253 return err;
2254
2255 return ieee80211_start_mesh(sdata);
2256 }
2257
2258 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2259 {
2260 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2261
2262 ieee80211_stop_mesh(sdata);
2263 mutex_lock(&sdata->local->mtx);
2264 ieee80211_vif_release_channel(sdata);
2265 kfree(sdata->u.mesh.ie);
2266 mutex_unlock(&sdata->local->mtx);
2267
2268 return 0;
2269 }
2270 #endif
2271
2272 static int ieee80211_change_bss(struct wiphy *wiphy,
2273 struct net_device *dev,
2274 struct bss_parameters *params)
2275 {
2276 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2277 struct ieee80211_supported_band *sband;
2278 u32 changed = 0;
2279
2280 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2281 return -ENOENT;
2282
2283 sband = ieee80211_get_sband(sdata);
2284 if (!sband)
2285 return -EINVAL;
2286
2287 if (params->use_cts_prot >= 0) {
2288 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2289 changed |= BSS_CHANGED_ERP_CTS_PROT;
2290 }
2291 if (params->use_short_preamble >= 0) {
2292 sdata->vif.bss_conf.use_short_preamble =
2293 params->use_short_preamble;
2294 changed |= BSS_CHANGED_ERP_PREAMBLE;
2295 }
2296
2297 if (!sdata->vif.bss_conf.use_short_slot &&
2298 (sband->band == NL80211_BAND_5GHZ ||
2299 sband->band == NL80211_BAND_6GHZ)) {
2300 sdata->vif.bss_conf.use_short_slot = true;
2301 changed |= BSS_CHANGED_ERP_SLOT;
2302 }
2303
2304 if (params->use_short_slot_time >= 0) {
2305 sdata->vif.bss_conf.use_short_slot =
2306 params->use_short_slot_time;
2307 changed |= BSS_CHANGED_ERP_SLOT;
2308 }
2309
2310 if (params->basic_rates) {
2311 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2312 wiphy->bands[sband->band],
2313 params->basic_rates,
2314 params->basic_rates_len,
2315 &sdata->vif.bss_conf.basic_rates);
2316 changed |= BSS_CHANGED_BASIC_RATES;
2317 ieee80211_check_rate_mask(sdata);
2318 }
2319
2320 if (params->ap_isolate >= 0) {
2321 if (params->ap_isolate)
2322 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2323 else
2324 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2325 ieee80211_check_fast_rx_iface(sdata);
2326 }
2327
2328 if (params->ht_opmode >= 0) {
2329 sdata->vif.bss_conf.ht_operation_mode =
2330 (u16) params->ht_opmode;
2331 changed |= BSS_CHANGED_HT;
2332 }
2333
2334 if (params->p2p_ctwindow >= 0) {
2335 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2336 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2337 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2338 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2339 changed |= BSS_CHANGED_P2P_PS;
2340 }
2341
2342 if (params->p2p_opp_ps > 0) {
2343 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2344 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2345 changed |= BSS_CHANGED_P2P_PS;
2346 } else if (params->p2p_opp_ps == 0) {
2347 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2348 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2349 changed |= BSS_CHANGED_P2P_PS;
2350 }
2351
2352 ieee80211_bss_info_change_notify(sdata, changed);
2353
2354 return 0;
2355 }
2356
2357 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2358 struct net_device *dev,
2359 struct ieee80211_txq_params *params)
2360 {
2361 struct ieee80211_local *local = wiphy_priv(wiphy);
2362 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2363 struct ieee80211_tx_queue_params p;
2364
2365 if (!local->ops->conf_tx)
2366 return -EOPNOTSUPP;
2367
2368 if (local->hw.queues < IEEE80211_NUM_ACS)
2369 return -EOPNOTSUPP;
2370
2371 memset(&p, 0, sizeof(p));
2372 p.aifs = params->aifs;
2373 p.cw_max = params->cwmax;
2374 p.cw_min = params->cwmin;
2375 p.txop = params->txop;
2376
2377 /*
2378 * Setting tx queue params disables u-apsd because it's only
2379 * called in master mode.
2380 */
2381 p.uapsd = false;
2382
2383 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2384
2385 sdata->tx_conf[params->ac] = p;
2386 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2387 wiphy_debug(local->hw.wiphy,
2388 "failed to set TX queue parameters for AC %d\n",
2389 params->ac);
2390 return -EINVAL;
2391 }
2392
2393 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2394
2395 return 0;
2396 }
2397
2398 #ifdef CONFIG_PM
2399 static int ieee80211_suspend(struct wiphy *wiphy,
2400 struct cfg80211_wowlan *wowlan)
2401 {
2402 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2403 }
2404
2405 static int ieee80211_resume(struct wiphy *wiphy)
2406 {
2407 return __ieee80211_resume(wiphy_priv(wiphy));
2408 }
2409 #else
2410 #define ieee80211_suspend NULL
2411 #define ieee80211_resume NULL
2412 #endif
2413
2414 static int ieee80211_scan(struct wiphy *wiphy,
2415 struct cfg80211_scan_request *req)
2416 {
2417 struct ieee80211_sub_if_data *sdata;
2418
2419 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2420
2421 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2422 case NL80211_IFTYPE_STATION:
2423 case NL80211_IFTYPE_ADHOC:
2424 case NL80211_IFTYPE_MESH_POINT:
2425 case NL80211_IFTYPE_P2P_CLIENT:
2426 case NL80211_IFTYPE_P2P_DEVICE:
2427 break;
2428 case NL80211_IFTYPE_P2P_GO:
2429 if (sdata->local->ops->hw_scan)
2430 break;
2431 /*
2432 * FIXME: implement NoA while scanning in software,
2433 * for now fall through to allow scanning only when
2434 * beaconing hasn't been configured yet
2435 */
2436 fallthrough;
2437 case NL80211_IFTYPE_AP:
2438 /*
2439 * If the scan has been forced (and the driver supports
2440 * forcing), don't care about being beaconing already.
2441 * This will create problems to the attached stations (e.g. all
2442 * the frames sent while scanning on other channel will be
2443 * lost)
2444 */
2445 if (sdata->u.ap.beacon &&
2446 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2447 !(req->flags & NL80211_SCAN_FLAG_AP)))
2448 return -EOPNOTSUPP;
2449 break;
2450 case NL80211_IFTYPE_NAN:
2451 default:
2452 return -EOPNOTSUPP;
2453 }
2454
2455 return ieee80211_request_scan(sdata, req);
2456 }
2457
2458 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2459 {
2460 ieee80211_scan_cancel(wiphy_priv(wiphy));
2461 }
2462
2463 static int
2464 ieee80211_sched_scan_start(struct wiphy *wiphy,
2465 struct net_device *dev,
2466 struct cfg80211_sched_scan_request *req)
2467 {
2468 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2469
2470 if (!sdata->local->ops->sched_scan_start)
2471 return -EOPNOTSUPP;
2472
2473 return ieee80211_request_sched_scan_start(sdata, req);
2474 }
2475
2476 static int
2477 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2478 u64 reqid)
2479 {
2480 struct ieee80211_local *local = wiphy_priv(wiphy);
2481
2482 if (!local->ops->sched_scan_stop)
2483 return -EOPNOTSUPP;
2484
2485 return ieee80211_request_sched_scan_stop(local);
2486 }
2487
2488 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2489 struct cfg80211_auth_request *req)
2490 {
2491 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2492 }
2493
2494 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2495 struct cfg80211_assoc_request *req)
2496 {
2497 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2498 }
2499
2500 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2501 struct cfg80211_deauth_request *req)
2502 {
2503 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2504 }
2505
2506 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2507 struct cfg80211_disassoc_request *req)
2508 {
2509 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2510 }
2511
2512 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2513 struct cfg80211_ibss_params *params)
2514 {
2515 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2516 }
2517
2518 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2519 {
2520 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2521 }
2522
2523 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2524 struct ocb_setup *setup)
2525 {
2526 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2527 }
2528
2529 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2530 {
2531 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2532 }
2533
2534 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2535 int rate[NUM_NL80211_BANDS])
2536 {
2537 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2538
2539 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2540 sizeof(int) * NUM_NL80211_BANDS);
2541
2542 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2543
2544 return 0;
2545 }
2546
2547 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2548 {
2549 struct ieee80211_local *local = wiphy_priv(wiphy);
2550 int err;
2551
2552 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2553 ieee80211_check_fast_xmit_all(local);
2554
2555 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2556
2557 if (err) {
2558 ieee80211_check_fast_xmit_all(local);
2559 return err;
2560 }
2561 }
2562
2563 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2564 (changed & WIPHY_PARAM_DYN_ACK)) {
2565 s16 coverage_class;
2566
2567 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2568 wiphy->coverage_class : -1;
2569 err = drv_set_coverage_class(local, coverage_class);
2570
2571 if (err)
2572 return err;
2573 }
2574
2575 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2576 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2577
2578 if (err)
2579 return err;
2580 }
2581
2582 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2583 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2584 return -EINVAL;
2585 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2586 }
2587 if (changed & WIPHY_PARAM_RETRY_LONG) {
2588 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2589 return -EINVAL;
2590 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2591 }
2592 if (changed &
2593 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2594 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2595
2596 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2597 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2598 WIPHY_PARAM_TXQ_QUANTUM))
2599 ieee80211_txq_set_params(local);
2600
2601 return 0;
2602 }
2603
2604 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2605 struct wireless_dev *wdev,
2606 enum nl80211_tx_power_setting type, int mbm)
2607 {
2608 struct ieee80211_local *local = wiphy_priv(wiphy);
2609 struct ieee80211_sub_if_data *sdata;
2610 enum nl80211_tx_power_setting txp_type = type;
2611 bool update_txp_type = false;
2612 bool has_monitor = false;
2613
2614 if (wdev) {
2615 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2616
2617 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2618 sdata = rtnl_dereference(local->monitor_sdata);
2619 if (!sdata)
2620 return -EOPNOTSUPP;
2621 }
2622
2623 switch (type) {
2624 case NL80211_TX_POWER_AUTOMATIC:
2625 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2626 txp_type = NL80211_TX_POWER_LIMITED;
2627 break;
2628 case NL80211_TX_POWER_LIMITED:
2629 case NL80211_TX_POWER_FIXED:
2630 if (mbm < 0 || (mbm % 100))
2631 return -EOPNOTSUPP;
2632 sdata->user_power_level = MBM_TO_DBM(mbm);
2633 break;
2634 }
2635
2636 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2637 update_txp_type = true;
2638 sdata->vif.bss_conf.txpower_type = txp_type;
2639 }
2640
2641 ieee80211_recalc_txpower(sdata, update_txp_type);
2642
2643 return 0;
2644 }
2645
2646 switch (type) {
2647 case NL80211_TX_POWER_AUTOMATIC:
2648 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2649 txp_type = NL80211_TX_POWER_LIMITED;
2650 break;
2651 case NL80211_TX_POWER_LIMITED:
2652 case NL80211_TX_POWER_FIXED:
2653 if (mbm < 0 || (mbm % 100))
2654 return -EOPNOTSUPP;
2655 local->user_power_level = MBM_TO_DBM(mbm);
2656 break;
2657 }
2658
2659 mutex_lock(&local->iflist_mtx);
2660 list_for_each_entry(sdata, &local->interfaces, list) {
2661 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2662 has_monitor = true;
2663 continue;
2664 }
2665 sdata->user_power_level = local->user_power_level;
2666 if (txp_type != sdata->vif.bss_conf.txpower_type)
2667 update_txp_type = true;
2668 sdata->vif.bss_conf.txpower_type = txp_type;
2669 }
2670 list_for_each_entry(sdata, &local->interfaces, list) {
2671 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2672 continue;
2673 ieee80211_recalc_txpower(sdata, update_txp_type);
2674 }
2675 mutex_unlock(&local->iflist_mtx);
2676
2677 if (has_monitor) {
2678 sdata = rtnl_dereference(local->monitor_sdata);
2679 if (sdata) {
2680 sdata->user_power_level = local->user_power_level;
2681 if (txp_type != sdata->vif.bss_conf.txpower_type)
2682 update_txp_type = true;
2683 sdata->vif.bss_conf.txpower_type = txp_type;
2684
2685 ieee80211_recalc_txpower(sdata, update_txp_type);
2686 }
2687 }
2688
2689 return 0;
2690 }
2691
2692 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2693 struct wireless_dev *wdev,
2694 int *dbm)
2695 {
2696 struct ieee80211_local *local = wiphy_priv(wiphy);
2697 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2698
2699 if (local->ops->get_txpower)
2700 return drv_get_txpower(local, sdata, dbm);
2701
2702 if (!local->use_chanctx)
2703 *dbm = local->hw.conf.power_level;
2704 else
2705 *dbm = sdata->vif.bss_conf.txpower;
2706
2707 return 0;
2708 }
2709
2710 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2711 {
2712 struct ieee80211_local *local = wiphy_priv(wiphy);
2713
2714 drv_rfkill_poll(local);
2715 }
2716
2717 #ifdef CONFIG_NL80211_TESTMODE
2718 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2719 struct wireless_dev *wdev,
2720 void *data, int len)
2721 {
2722 struct ieee80211_local *local = wiphy_priv(wiphy);
2723 struct ieee80211_vif *vif = NULL;
2724
2725 if (!local->ops->testmode_cmd)
2726 return -EOPNOTSUPP;
2727
2728 if (wdev) {
2729 struct ieee80211_sub_if_data *sdata;
2730
2731 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2732 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2733 vif = &sdata->vif;
2734 }
2735
2736 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2737 }
2738
2739 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2740 struct sk_buff *skb,
2741 struct netlink_callback *cb,
2742 void *data, int len)
2743 {
2744 struct ieee80211_local *local = wiphy_priv(wiphy);
2745
2746 if (!local->ops->testmode_dump)
2747 return -EOPNOTSUPP;
2748
2749 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2750 }
2751 #endif
2752
2753 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2754 enum ieee80211_smps_mode smps_mode)
2755 {
2756 const u8 *ap;
2757 enum ieee80211_smps_mode old_req;
2758 int err;
2759 struct sta_info *sta;
2760 bool tdls_peer_found = false;
2761
2762 lockdep_assert_held(&sdata->wdev.mtx);
2763
2764 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2765 return -EINVAL;
2766
2767 old_req = sdata->u.mgd.req_smps;
2768 sdata->u.mgd.req_smps = smps_mode;
2769
2770 if (old_req == smps_mode &&
2771 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2772 return 0;
2773
2774 /*
2775 * If not associated, or current association is not an HT
2776 * association, there's no need to do anything, just store
2777 * the new value until we associate.
2778 */
2779 if (!sdata->u.mgd.associated ||
2780 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2781 return 0;
2782
2783 ap = sdata->u.mgd.associated->bssid;
2784
2785 rcu_read_lock();
2786 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2787 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2788 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2789 continue;
2790
2791 tdls_peer_found = true;
2792 break;
2793 }
2794 rcu_read_unlock();
2795
2796 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2797 if (tdls_peer_found || !sdata->u.mgd.powersave)
2798 smps_mode = IEEE80211_SMPS_OFF;
2799 else
2800 smps_mode = IEEE80211_SMPS_DYNAMIC;
2801 }
2802
2803 /* send SM PS frame to AP */
2804 err = ieee80211_send_smps_action(sdata, smps_mode,
2805 ap, ap);
2806 if (err)
2807 sdata->u.mgd.req_smps = old_req;
2808 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2809 ieee80211_teardown_tdls_peers(sdata);
2810
2811 return err;
2812 }
2813
2814 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2815 bool enabled, int timeout)
2816 {
2817 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2818 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2819
2820 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2821 return -EOPNOTSUPP;
2822
2823 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2824 return -EOPNOTSUPP;
2825
2826 if (enabled == sdata->u.mgd.powersave &&
2827 timeout == local->dynamic_ps_forced_timeout)
2828 return 0;
2829
2830 sdata->u.mgd.powersave = enabled;
2831 local->dynamic_ps_forced_timeout = timeout;
2832
2833 /* no change, but if automatic follow powersave */
2834 sdata_lock(sdata);
2835 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2836 sdata_unlock(sdata);
2837
2838 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2839 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2840
2841 ieee80211_recalc_ps(local);
2842 ieee80211_recalc_ps_vif(sdata);
2843 ieee80211_check_fast_rx_iface(sdata);
2844
2845 return 0;
2846 }
2847
2848 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2849 struct net_device *dev,
2850 s32 rssi_thold, u32 rssi_hyst)
2851 {
2852 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2853 struct ieee80211_vif *vif = &sdata->vif;
2854 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2855
2856 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2857 rssi_hyst == bss_conf->cqm_rssi_hyst)
2858 return 0;
2859
2860 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2861 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2862 return -EOPNOTSUPP;
2863
2864 bss_conf->cqm_rssi_thold = rssi_thold;
2865 bss_conf->cqm_rssi_hyst = rssi_hyst;
2866 bss_conf->cqm_rssi_low = 0;
2867 bss_conf->cqm_rssi_high = 0;
2868 sdata->u.mgd.last_cqm_event_signal = 0;
2869
2870 /* tell the driver upon association, unless already associated */
2871 if (sdata->u.mgd.associated &&
2872 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2873 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2874
2875 return 0;
2876 }
2877
2878 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2879 struct net_device *dev,
2880 s32 rssi_low, s32 rssi_high)
2881 {
2882 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2883 struct ieee80211_vif *vif = &sdata->vif;
2884 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2885
2886 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2887 return -EOPNOTSUPP;
2888
2889 bss_conf->cqm_rssi_low = rssi_low;
2890 bss_conf->cqm_rssi_high = rssi_high;
2891 bss_conf->cqm_rssi_thold = 0;
2892 bss_conf->cqm_rssi_hyst = 0;
2893 sdata->u.mgd.last_cqm_event_signal = 0;
2894
2895 /* tell the driver upon association, unless already associated */
2896 if (sdata->u.mgd.associated &&
2897 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2898 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2899
2900 return 0;
2901 }
2902
2903 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2904 struct net_device *dev,
2905 const u8 *addr,
2906 const struct cfg80211_bitrate_mask *mask)
2907 {
2908 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2909 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2910 int i, ret;
2911
2912 if (!ieee80211_sdata_running(sdata))
2913 return -ENETDOWN;
2914
2915 /*
2916 * If active validate the setting and reject it if it doesn't leave
2917 * at least one basic rate usable, since we really have to be able
2918 * to send something, and if we're an AP we have to be able to do
2919 * so at a basic rate so that all clients can receive it.
2920 */
2921 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2922 sdata->vif.bss_conf.chandef.chan) {
2923 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2924 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2925
2926 if (!(mask->control[band].legacy & basic_rates))
2927 return -EINVAL;
2928 }
2929
2930 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2931 ret = drv_set_bitrate_mask(local, sdata, mask);
2932 if (ret)
2933 return ret;
2934 }
2935
2936 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2937 struct ieee80211_supported_band *sband = wiphy->bands[i];
2938 int j;
2939
2940 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2941 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2942 sizeof(mask->control[i].ht_mcs));
2943 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2944 mask->control[i].vht_mcs,
2945 sizeof(mask->control[i].vht_mcs));
2946
2947 sdata->rc_has_mcs_mask[i] = false;
2948 sdata->rc_has_vht_mcs_mask[i] = false;
2949 if (!sband)
2950 continue;
2951
2952 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2953 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2954 sdata->rc_has_mcs_mask[i] = true;
2955 break;
2956 }
2957 }
2958
2959 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2960 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2961 sdata->rc_has_vht_mcs_mask[i] = true;
2962 break;
2963 }
2964 }
2965 }
2966
2967 return 0;
2968 }
2969
2970 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2971 struct net_device *dev,
2972 struct cfg80211_chan_def *chandef,
2973 u32 cac_time_ms)
2974 {
2975 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2976 struct ieee80211_local *local = sdata->local;
2977 int err;
2978
2979 mutex_lock(&local->mtx);
2980 if (!list_empty(&local->roc_list) || local->scanning) {
2981 err = -EBUSY;
2982 goto out_unlock;
2983 }
2984
2985 /* whatever, but channel contexts should not complain about that one */
2986 sdata->smps_mode = IEEE80211_SMPS_OFF;
2987 sdata->needed_rx_chains = local->rx_chains;
2988
2989 err = ieee80211_vif_use_channel(sdata, chandef,
2990 IEEE80211_CHANCTX_SHARED);
2991 if (err)
2992 goto out_unlock;
2993
2994 ieee80211_queue_delayed_work(&sdata->local->hw,
2995 &sdata->dfs_cac_timer_work,
2996 msecs_to_jiffies(cac_time_ms));
2997
2998 out_unlock:
2999 mutex_unlock(&local->mtx);
3000 return err;
3001 }
3002
3003 static void ieee80211_end_cac(struct wiphy *wiphy,
3004 struct net_device *dev)
3005 {
3006 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3007 struct ieee80211_local *local = sdata->local;
3008
3009 mutex_lock(&local->mtx);
3010 list_for_each_entry(sdata, &local->interfaces, list) {
3011 /* it might be waiting for the local->mtx, but then
3012 * by the time it gets it, sdata->wdev.cac_started
3013 * will no longer be true
3014 */
3015 cancel_delayed_work(&sdata->dfs_cac_timer_work);
3016
3017 if (sdata->wdev.cac_started) {
3018 ieee80211_vif_release_channel(sdata);
3019 sdata->wdev.cac_started = false;
3020 }
3021 }
3022 mutex_unlock(&local->mtx);
3023 }
3024
3025 static struct cfg80211_beacon_data *
3026 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3027 {
3028 struct cfg80211_beacon_data *new_beacon;
3029 u8 *pos;
3030 int len;
3031
3032 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3033 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3034 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3035
3036 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3037 if (!new_beacon)
3038 return NULL;
3039
3040 pos = (u8 *)(new_beacon + 1);
3041 if (beacon->head_len) {
3042 new_beacon->head_len = beacon->head_len;
3043 new_beacon->head = pos;
3044 memcpy(pos, beacon->head, beacon->head_len);
3045 pos += beacon->head_len;
3046 }
3047 if (beacon->tail_len) {
3048 new_beacon->tail_len = beacon->tail_len;
3049 new_beacon->tail = pos;
3050 memcpy(pos, beacon->tail, beacon->tail_len);
3051 pos += beacon->tail_len;
3052 }
3053 if (beacon->beacon_ies_len) {
3054 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3055 new_beacon->beacon_ies = pos;
3056 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3057 pos += beacon->beacon_ies_len;
3058 }
3059 if (beacon->proberesp_ies_len) {
3060 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3061 new_beacon->proberesp_ies = pos;
3062 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3063 pos += beacon->proberesp_ies_len;
3064 }
3065 if (beacon->assocresp_ies_len) {
3066 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3067 new_beacon->assocresp_ies = pos;
3068 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3069 pos += beacon->assocresp_ies_len;
3070 }
3071 if (beacon->probe_resp_len) {
3072 new_beacon->probe_resp_len = beacon->probe_resp_len;
3073 new_beacon->probe_resp = pos;
3074 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3075 pos += beacon->probe_resp_len;
3076 }
3077
3078 /* might copy -1, meaning no changes requested */
3079 new_beacon->ftm_responder = beacon->ftm_responder;
3080 if (beacon->lci) {
3081 new_beacon->lci_len = beacon->lci_len;
3082 new_beacon->lci = pos;
3083 memcpy(pos, beacon->lci, beacon->lci_len);
3084 pos += beacon->lci_len;
3085 }
3086 if (beacon->civicloc) {
3087 new_beacon->civicloc_len = beacon->civicloc_len;
3088 new_beacon->civicloc = pos;
3089 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3090 pos += beacon->civicloc_len;
3091 }
3092
3093 return new_beacon;
3094 }
3095
3096 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3097 {
3098 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3099
3100 ieee80211_queue_work(&sdata->local->hw,
3101 &sdata->csa_finalize_work);
3102 }
3103 EXPORT_SYMBOL(ieee80211_csa_finish);
3104
3105 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3106 u32 *changed)
3107 {
3108 int err;
3109
3110 switch (sdata->vif.type) {
3111 case NL80211_IFTYPE_AP:
3112 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3113 NULL);
3114 kfree(sdata->u.ap.next_beacon);
3115 sdata->u.ap.next_beacon = NULL;
3116
3117 if (err < 0)
3118 return err;
3119 *changed |= err;
3120 break;
3121 case NL80211_IFTYPE_ADHOC:
3122 err = ieee80211_ibss_finish_csa(sdata);
3123 if (err < 0)
3124 return err;
3125 *changed |= err;
3126 break;
3127 #ifdef CONFIG_MAC80211_MESH
3128 case NL80211_IFTYPE_MESH_POINT:
3129 err = ieee80211_mesh_finish_csa(sdata);
3130 if (err < 0)
3131 return err;
3132 *changed |= err;
3133 break;
3134 #endif
3135 default:
3136 WARN_ON(1);
3137 return -EINVAL;
3138 }
3139
3140 return 0;
3141 }
3142
3143 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3144 {
3145 struct ieee80211_local *local = sdata->local;
3146 u32 changed = 0;
3147 int err;
3148
3149 sdata_assert_lock(sdata);
3150 lockdep_assert_held(&local->mtx);
3151 lockdep_assert_held(&local->chanctx_mtx);
3152
3153 /*
3154 * using reservation isn't immediate as it may be deferred until later
3155 * with multi-vif. once reservation is complete it will re-schedule the
3156 * work with no reserved_chanctx so verify chandef to check if it
3157 * completed successfully
3158 */
3159
3160 if (sdata->reserved_chanctx) {
3161 /*
3162 * with multi-vif csa driver may call ieee80211_csa_finish()
3163 * many times while waiting for other interfaces to use their
3164 * reservations
3165 */
3166 if (sdata->reserved_ready)
3167 return 0;
3168
3169 return ieee80211_vif_use_reserved_context(sdata);
3170 }
3171
3172 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3173 &sdata->csa_chandef))
3174 return -EINVAL;
3175
3176 sdata->vif.csa_active = false;
3177
3178 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3179 if (err)
3180 return err;
3181
3182 ieee80211_bss_info_change_notify(sdata, changed);
3183
3184 if (sdata->csa_block_tx) {
3185 ieee80211_wake_vif_queues(local, sdata,
3186 IEEE80211_QUEUE_STOP_REASON_CSA);
3187 sdata->csa_block_tx = false;
3188 }
3189
3190 err = drv_post_channel_switch(sdata);
3191 if (err)
3192 return err;
3193
3194 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3195
3196 return 0;
3197 }
3198
3199 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3200 {
3201 if (__ieee80211_csa_finalize(sdata)) {
3202 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3203 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3204 GFP_KERNEL);
3205 }
3206 }
3207
3208 void ieee80211_csa_finalize_work(struct work_struct *work)
3209 {
3210 struct ieee80211_sub_if_data *sdata =
3211 container_of(work, struct ieee80211_sub_if_data,
3212 csa_finalize_work);
3213 struct ieee80211_local *local = sdata->local;
3214
3215 sdata_lock(sdata);
3216 mutex_lock(&local->mtx);
3217 mutex_lock(&local->chanctx_mtx);
3218
3219 /* AP might have been stopped while waiting for the lock. */
3220 if (!sdata->vif.csa_active)
3221 goto unlock;
3222
3223 if (!ieee80211_sdata_running(sdata))
3224 goto unlock;
3225
3226 ieee80211_csa_finalize(sdata);
3227
3228 unlock:
3229 mutex_unlock(&local->chanctx_mtx);
3230 mutex_unlock(&local->mtx);
3231 sdata_unlock(sdata);
3232 }
3233
3234 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3235 struct cfg80211_csa_settings *params,
3236 u32 *changed)
3237 {
3238 struct ieee80211_csa_settings csa = {};
3239 int err;
3240
3241 switch (sdata->vif.type) {
3242 case NL80211_IFTYPE_AP:
3243 sdata->u.ap.next_beacon =
3244 cfg80211_beacon_dup(&params->beacon_after);
3245 if (!sdata->u.ap.next_beacon)
3246 return -ENOMEM;
3247
3248 /*
3249 * With a count of 0, we don't have to wait for any
3250 * TBTT before switching, so complete the CSA
3251 * immediately. In theory, with a count == 1 we
3252 * should delay the switch until just before the next
3253 * TBTT, but that would complicate things so we switch
3254 * immediately too. If we would delay the switch
3255 * until the next TBTT, we would have to set the probe
3256 * response here.
3257 *
3258 * TODO: A channel switch with count <= 1 without
3259 * sending a CSA action frame is kind of useless,
3260 * because the clients won't know we're changing
3261 * channels. The action frame must be implemented
3262 * either here or in the userspace.
3263 */
3264 if (params->count <= 1)
3265 break;
3266
3267 if ((params->n_counter_offsets_beacon >
3268 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3269 (params->n_counter_offsets_presp >
3270 IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3271 return -EINVAL;
3272
3273 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3274 csa.counter_offsets_presp = params->counter_offsets_presp;
3275 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3276 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3277 csa.count = params->count;
3278
3279 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3280 if (err < 0) {
3281 kfree(sdata->u.ap.next_beacon);
3282 return err;
3283 }
3284 *changed |= err;
3285
3286 break;
3287 case NL80211_IFTYPE_ADHOC:
3288 if (!sdata->vif.bss_conf.ibss_joined)
3289 return -EINVAL;
3290
3291 if (params->chandef.width != sdata->u.ibss.chandef.width)
3292 return -EINVAL;
3293
3294 switch (params->chandef.width) {
3295 case NL80211_CHAN_WIDTH_40:
3296 if (cfg80211_get_chandef_type(&params->chandef) !=
3297 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3298 return -EINVAL;
3299 break;
3300 case NL80211_CHAN_WIDTH_5:
3301 case NL80211_CHAN_WIDTH_10:
3302 case NL80211_CHAN_WIDTH_20_NOHT:
3303 case NL80211_CHAN_WIDTH_20:
3304 break;
3305 default:
3306 return -EINVAL;
3307 }
3308
3309 /* changes into another band are not supported */
3310 if (sdata->u.ibss.chandef.chan->band !=
3311 params->chandef.chan->band)
3312 return -EINVAL;
3313
3314 /* see comments in the NL80211_IFTYPE_AP block */
3315 if (params->count > 1) {
3316 err = ieee80211_ibss_csa_beacon(sdata, params);
3317 if (err < 0)
3318 return err;
3319 *changed |= err;
3320 }
3321
3322 ieee80211_send_action_csa(sdata, params);
3323
3324 break;
3325 #ifdef CONFIG_MAC80211_MESH
3326 case NL80211_IFTYPE_MESH_POINT: {
3327 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3328
3329 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3330 return -EINVAL;
3331
3332 /* changes into another band are not supported */
3333 if (sdata->vif.bss_conf.chandef.chan->band !=
3334 params->chandef.chan->band)
3335 return -EINVAL;
3336
3337 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3338 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3339 if (!ifmsh->pre_value)
3340 ifmsh->pre_value = 1;
3341 else
3342 ifmsh->pre_value++;
3343 }
3344
3345 /* see comments in the NL80211_IFTYPE_AP block */
3346 if (params->count > 1) {
3347 err = ieee80211_mesh_csa_beacon(sdata, params);
3348 if (err < 0) {
3349 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3350 return err;
3351 }
3352 *changed |= err;
3353 }
3354
3355 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3356 ieee80211_send_action_csa(sdata, params);
3357
3358 break;
3359 }
3360 #endif
3361 default:
3362 return -EOPNOTSUPP;
3363 }
3364
3365 return 0;
3366 }
3367
3368 static int
3369 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3370 struct cfg80211_csa_settings *params)
3371 {
3372 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3373 struct ieee80211_local *local = sdata->local;
3374 struct ieee80211_channel_switch ch_switch;
3375 struct ieee80211_chanctx_conf *conf;
3376 struct ieee80211_chanctx *chanctx;
3377 u32 changed = 0;
3378 int err;
3379
3380 sdata_assert_lock(sdata);
3381 lockdep_assert_held(&local->mtx);
3382
3383 if (!list_empty(&local->roc_list) || local->scanning)
3384 return -EBUSY;
3385
3386 if (sdata->wdev.cac_started)
3387 return -EBUSY;
3388
3389 if (cfg80211_chandef_identical(&params->chandef,
3390 &sdata->vif.bss_conf.chandef))
3391 return -EINVAL;
3392
3393 /* don't allow another channel switch if one is already active. */
3394 if (sdata->vif.csa_active)
3395 return -EBUSY;
3396
3397 mutex_lock(&local->chanctx_mtx);
3398 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3399 lockdep_is_held(&local->chanctx_mtx));
3400 if (!conf) {
3401 err = -EBUSY;
3402 goto out;
3403 }
3404
3405 if (params->chandef.chan->freq_offset) {
3406 /* this may work, but is untested */
3407 err = -EOPNOTSUPP;
3408 goto out;
3409 }
3410
3411 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3412
3413 ch_switch.timestamp = 0;
3414 ch_switch.device_timestamp = 0;
3415 ch_switch.block_tx = params->block_tx;
3416 ch_switch.chandef = params->chandef;
3417 ch_switch.count = params->count;
3418
3419 err = drv_pre_channel_switch(sdata, &ch_switch);
3420 if (err)
3421 goto out;
3422
3423 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3424 chanctx->mode,
3425 params->radar_required);
3426 if (err)
3427 goto out;
3428
3429 /* if reservation is invalid then this will fail */
3430 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3431 if (err) {
3432 ieee80211_vif_unreserve_chanctx(sdata);
3433 goto out;
3434 }
3435
3436 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3437 if (err) {
3438 ieee80211_vif_unreserve_chanctx(sdata);
3439 goto out;
3440 }
3441
3442 sdata->csa_chandef = params->chandef;
3443 sdata->csa_block_tx = params->block_tx;
3444 sdata->vif.csa_active = true;
3445
3446 if (sdata->csa_block_tx)
3447 ieee80211_stop_vif_queues(local, sdata,
3448 IEEE80211_QUEUE_STOP_REASON_CSA);
3449
3450 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3451 params->count, params->block_tx);
3452
3453 if (changed) {
3454 ieee80211_bss_info_change_notify(sdata, changed);
3455 drv_channel_switch_beacon(sdata, &params->chandef);
3456 } else {
3457 /* if the beacon didn't change, we can finalize immediately */
3458 ieee80211_csa_finalize(sdata);
3459 }
3460
3461 out:
3462 mutex_unlock(&local->chanctx_mtx);
3463 return err;
3464 }
3465
3466 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3467 struct cfg80211_csa_settings *params)
3468 {
3469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3470 struct ieee80211_local *local = sdata->local;
3471 int err;
3472
3473 mutex_lock(&local->mtx);
3474 err = __ieee80211_channel_switch(wiphy, dev, params);
3475 mutex_unlock(&local->mtx);
3476
3477 return err;
3478 }
3479
3480 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3481 {
3482 lockdep_assert_held(&local->mtx);
3483
3484 local->roc_cookie_counter++;
3485
3486 /* wow, you wrapped 64 bits ... more likely a bug */
3487 if (WARN_ON(local->roc_cookie_counter == 0))
3488 local->roc_cookie_counter++;
3489
3490 return local->roc_cookie_counter;
3491 }
3492
3493 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3494 u64 *cookie, gfp_t gfp)
3495 {
3496 unsigned long spin_flags;
3497 struct sk_buff *ack_skb;
3498 int id;
3499
3500 ack_skb = skb_copy(skb, gfp);
3501 if (!ack_skb)
3502 return -ENOMEM;
3503
3504 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3505 id = idr_alloc(&local->ack_status_frames, ack_skb,
3506 1, 0x2000, GFP_ATOMIC);
3507 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3508
3509 if (id < 0) {
3510 kfree_skb(ack_skb);
3511 return -ENOMEM;
3512 }
3513
3514 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3515
3516 *cookie = ieee80211_mgmt_tx_cookie(local);
3517 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3518
3519 return 0;
3520 }
3521
3522 static void
3523 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3524 struct wireless_dev *wdev,
3525 struct mgmt_frame_regs *upd)
3526 {
3527 struct ieee80211_local *local = wiphy_priv(wiphy);
3528 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3529 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3530 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3531 bool global_change, intf_change;
3532
3533 global_change =
3534 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3535 (local->rx_mcast_action_reg !=
3536 !!(upd->global_mcast_stypes & action_mask));
3537 local->probe_req_reg = upd->global_stypes & preq_mask;
3538 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3539
3540 intf_change = (sdata->vif.probe_req_reg !=
3541 !!(upd->interface_stypes & preq_mask)) ||
3542 (sdata->vif.rx_mcast_action_reg !=
3543 !!(upd->interface_mcast_stypes & action_mask));
3544 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3545 sdata->vif.rx_mcast_action_reg =
3546 upd->interface_mcast_stypes & action_mask;
3547
3548 if (!local->open_count)
3549 return;
3550
3551 if (intf_change && ieee80211_sdata_running(sdata))
3552 drv_config_iface_filter(local, sdata,
3553 sdata->vif.probe_req_reg ?
3554 FIF_PROBE_REQ : 0,
3555 FIF_PROBE_REQ);
3556
3557 if (global_change)
3558 ieee80211_configure_filter(local);
3559 }
3560
3561 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3562 {
3563 struct ieee80211_local *local = wiphy_priv(wiphy);
3564
3565 if (local->started)
3566 return -EOPNOTSUPP;
3567
3568 return drv_set_antenna(local, tx_ant, rx_ant);
3569 }
3570
3571 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3572 {
3573 struct ieee80211_local *local = wiphy_priv(wiphy);
3574
3575 return drv_get_antenna(local, tx_ant, rx_ant);
3576 }
3577
3578 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3579 struct net_device *dev,
3580 struct cfg80211_gtk_rekey_data *data)
3581 {
3582 struct ieee80211_local *local = wiphy_priv(wiphy);
3583 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3584
3585 if (!local->ops->set_rekey_data)
3586 return -EOPNOTSUPP;
3587
3588 drv_set_rekey_data(local, sdata, data);
3589
3590 return 0;
3591 }
3592
3593 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3594 const u8 *peer, u64 *cookie)
3595 {
3596 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3597 struct ieee80211_local *local = sdata->local;
3598 struct ieee80211_qos_hdr *nullfunc;
3599 struct sk_buff *skb;
3600 int size = sizeof(*nullfunc);
3601 __le16 fc;
3602 bool qos;
3603 struct ieee80211_tx_info *info;
3604 struct sta_info *sta;
3605 struct ieee80211_chanctx_conf *chanctx_conf;
3606 enum nl80211_band band;
3607 int ret;
3608
3609 /* the lock is needed to assign the cookie later */
3610 mutex_lock(&local->mtx);
3611
3612 rcu_read_lock();
3613 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3614 if (WARN_ON(!chanctx_conf)) {
3615 ret = -EINVAL;
3616 goto unlock;
3617 }
3618 band = chanctx_conf->def.chan->band;
3619 sta = sta_info_get_bss(sdata, peer);
3620 if (sta) {
3621 qos = sta->sta.wme;
3622 } else {
3623 ret = -ENOLINK;
3624 goto unlock;
3625 }
3626
3627 if (qos) {
3628 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3629 IEEE80211_STYPE_QOS_NULLFUNC |
3630 IEEE80211_FCTL_FROMDS);
3631 } else {
3632 size -= 2;
3633 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3634 IEEE80211_STYPE_NULLFUNC |
3635 IEEE80211_FCTL_FROMDS);
3636 }
3637
3638 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3639 if (!skb) {
3640 ret = -ENOMEM;
3641 goto unlock;
3642 }
3643
3644 skb->dev = dev;
3645
3646 skb_reserve(skb, local->hw.extra_tx_headroom);
3647
3648 nullfunc = skb_put(skb, size);
3649 nullfunc->frame_control = fc;
3650 nullfunc->duration_id = 0;
3651 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3652 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3653 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3654 nullfunc->seq_ctrl = 0;
3655
3656 info = IEEE80211_SKB_CB(skb);
3657
3658 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3659 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3660 info->band = band;
3661
3662 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3663 skb->priority = 7;
3664 if (qos)
3665 nullfunc->qos_ctrl = cpu_to_le16(7);
3666
3667 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3668 if (ret) {
3669 kfree_skb(skb);
3670 goto unlock;
3671 }
3672
3673 local_bh_disable();
3674 ieee80211_xmit(sdata, sta, skb);
3675 local_bh_enable();
3676
3677 ret = 0;
3678 unlock:
3679 rcu_read_unlock();
3680 mutex_unlock(&local->mtx);
3681
3682 return ret;
3683 }
3684
3685 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3686 struct wireless_dev *wdev,
3687 struct cfg80211_chan_def *chandef)
3688 {
3689 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3690 struct ieee80211_local *local = wiphy_priv(wiphy);
3691 struct ieee80211_chanctx_conf *chanctx_conf;
3692 int ret = -ENODATA;
3693
3694 rcu_read_lock();
3695 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3696 if (chanctx_conf) {
3697 *chandef = sdata->vif.bss_conf.chandef;
3698 ret = 0;
3699 } else if (local->open_count > 0 &&
3700 local->open_count == local->monitors &&
3701 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3702 if (local->use_chanctx)
3703 *chandef = local->monitor_chandef;
3704 else
3705 *chandef = local->_oper_chandef;
3706 ret = 0;
3707 }
3708 rcu_read_unlock();
3709
3710 return ret;
3711 }
3712
3713 #ifdef CONFIG_PM
3714 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3715 {
3716 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3717 }
3718 #endif
3719
3720 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3721 struct net_device *dev,
3722 struct cfg80211_qos_map *qos_map)
3723 {
3724 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3725 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3726
3727 if (qos_map) {
3728 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3729 if (!new_qos_map)
3730 return -ENOMEM;
3731 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3732 } else {
3733 /* A NULL qos_map was passed to disable QoS mapping */
3734 new_qos_map = NULL;
3735 }
3736
3737 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3738 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3739 if (old_qos_map)
3740 kfree_rcu(old_qos_map, rcu_head);
3741
3742 return 0;
3743 }
3744
3745 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3746 struct net_device *dev,
3747 struct cfg80211_chan_def *chandef)
3748 {
3749 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3750 int ret;
3751 u32 changed = 0;
3752
3753 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3754 if (ret == 0)
3755 ieee80211_bss_info_change_notify(sdata, changed);
3756
3757 return ret;
3758 }
3759
3760 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3761 u8 tsid, const u8 *peer, u8 up,
3762 u16 admitted_time)
3763 {
3764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3765 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3766 int ac = ieee802_1d_to_ac[up];
3767
3768 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3769 return -EOPNOTSUPP;
3770
3771 if (!(sdata->wmm_acm & BIT(up)))
3772 return -EINVAL;
3773
3774 if (ifmgd->tx_tspec[ac].admitted_time)
3775 return -EBUSY;
3776
3777 if (admitted_time) {
3778 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3779 ifmgd->tx_tspec[ac].tsid = tsid;
3780 ifmgd->tx_tspec[ac].up = up;
3781 }
3782
3783 return 0;
3784 }
3785
3786 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3787 u8 tsid, const u8 *peer)
3788 {
3789 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3790 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3791 struct ieee80211_local *local = wiphy_priv(wiphy);
3792 int ac;
3793
3794 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3795 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3796
3797 /* skip unused entries */
3798 if (!tx_tspec->admitted_time)
3799 continue;
3800
3801 if (tx_tspec->tsid != tsid)
3802 continue;
3803
3804 /* due to this new packets will be reassigned to non-ACM ACs */
3805 tx_tspec->up = -1;
3806
3807 /* Make sure that all packets have been sent to avoid to
3808 * restore the QoS params on packets that are still on the
3809 * queues.
3810 */
3811 synchronize_net();
3812 ieee80211_flush_queues(local, sdata, false);
3813
3814 /* restore the normal QoS parameters
3815 * (unconditionally to avoid races)
3816 */
3817 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3818 tx_tspec->downgraded = false;
3819 ieee80211_sta_handle_tspec_ac_params(sdata);
3820
3821 /* finally clear all the data */
3822 memset(tx_tspec, 0, sizeof(*tx_tspec));
3823
3824 return 0;
3825 }
3826
3827 return -ENOENT;
3828 }
3829
3830 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3831 u8 inst_id,
3832 enum nl80211_nan_func_term_reason reason,
3833 gfp_t gfp)
3834 {
3835 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3836 struct cfg80211_nan_func *func;
3837 u64 cookie;
3838
3839 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3840 return;
3841
3842 spin_lock_bh(&sdata->u.nan.func_lock);
3843
3844 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3845 if (WARN_ON(!func)) {
3846 spin_unlock_bh(&sdata->u.nan.func_lock);
3847 return;
3848 }
3849
3850 cookie = func->cookie;
3851 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3852
3853 spin_unlock_bh(&sdata->u.nan.func_lock);
3854
3855 cfg80211_free_nan_func(func);
3856
3857 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3858 reason, cookie, gfp);
3859 }
3860 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3861
3862 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3863 struct cfg80211_nan_match_params *match,
3864 gfp_t gfp)
3865 {
3866 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3867 struct cfg80211_nan_func *func;
3868
3869 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3870 return;
3871
3872 spin_lock_bh(&sdata->u.nan.func_lock);
3873
3874 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3875 if (WARN_ON(!func)) {
3876 spin_unlock_bh(&sdata->u.nan.func_lock);
3877 return;
3878 }
3879 match->cookie = func->cookie;
3880
3881 spin_unlock_bh(&sdata->u.nan.func_lock);
3882
3883 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3884 }
3885 EXPORT_SYMBOL(ieee80211_nan_func_match);
3886
3887 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3888 struct net_device *dev,
3889 const bool enabled)
3890 {
3891 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3892
3893 sdata->u.ap.multicast_to_unicast = enabled;
3894
3895 return 0;
3896 }
3897
3898 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3899 struct txq_info *txqi)
3900 {
3901 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3902 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3903 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3904 }
3905
3906 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3907 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3908 txqstats->backlog_packets = txqi->tin.backlog_packets;
3909 }
3910
3911 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3912 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3913 txqstats->flows = txqi->tin.flows;
3914 }
3915
3916 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3917 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3918 txqstats->drops = txqi->cstats.drop_count;
3919 }
3920
3921 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3922 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3923 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3924 }
3925
3926 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3927 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3928 txqstats->overlimit = txqi->tin.overlimit;
3929 }
3930
3931 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3932 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3933 txqstats->collisions = txqi->tin.collisions;
3934 }
3935
3936 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3937 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3938 txqstats->tx_bytes = txqi->tin.tx_bytes;
3939 }
3940
3941 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3942 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3943 txqstats->tx_packets = txqi->tin.tx_packets;
3944 }
3945 }
3946
3947 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3948 struct wireless_dev *wdev,
3949 struct cfg80211_txq_stats *txqstats)
3950 {
3951 struct ieee80211_local *local = wiphy_priv(wiphy);
3952 struct ieee80211_sub_if_data *sdata;
3953 int ret = 0;
3954
3955 if (!local->ops->wake_tx_queue)
3956 return 1;
3957
3958 spin_lock_bh(&local->fq.lock);
3959 rcu_read_lock();
3960
3961 if (wdev) {
3962 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3963 if (!sdata->vif.txq) {
3964 ret = 1;
3965 goto out;
3966 }
3967 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3968 } else {
3969 /* phy stats */
3970 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3971 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3972 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3973 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3974 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3975 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3976 txqstats->backlog_packets = local->fq.backlog;
3977 txqstats->backlog_bytes = local->fq.memory_usage;
3978 txqstats->overlimit = local->fq.overlimit;
3979 txqstats->overmemory = local->fq.overmemory;
3980 txqstats->collisions = local->fq.collisions;
3981 txqstats->max_flows = local->fq.flows_cnt;
3982 }
3983
3984 out:
3985 rcu_read_unlock();
3986 spin_unlock_bh(&local->fq.lock);
3987
3988 return ret;
3989 }
3990
3991 static int
3992 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3993 struct net_device *dev,
3994 struct cfg80211_ftm_responder_stats *ftm_stats)
3995 {
3996 struct ieee80211_local *local = wiphy_priv(wiphy);
3997 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3998
3999 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4000 }
4001
4002 static int
4003 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4004 struct cfg80211_pmsr_request *request)
4005 {
4006 struct ieee80211_local *local = wiphy_priv(wiphy);
4007 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4008
4009 return drv_start_pmsr(local, sdata, request);
4010 }
4011
4012 static void
4013 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4014 struct cfg80211_pmsr_request *request)
4015 {
4016 struct ieee80211_local *local = wiphy_priv(wiphy);
4017 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4018
4019 return drv_abort_pmsr(local, sdata, request);
4020 }
4021
4022 static int ieee80211_set_tid_config(struct wiphy *wiphy,
4023 struct net_device *dev,
4024 struct cfg80211_tid_config *tid_conf)
4025 {
4026 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4027 struct sta_info *sta;
4028 int ret;
4029
4030 if (!sdata->local->ops->set_tid_config)
4031 return -EOPNOTSUPP;
4032
4033 if (!tid_conf->peer)
4034 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4035
4036 mutex_lock(&sdata->local->sta_mtx);
4037 sta = sta_info_get_bss(sdata, tid_conf->peer);
4038 if (!sta) {
4039 mutex_unlock(&sdata->local->sta_mtx);
4040 return -ENOENT;
4041 }
4042
4043 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4044 mutex_unlock(&sdata->local->sta_mtx);
4045
4046 return ret;
4047 }
4048
4049 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4050 struct net_device *dev,
4051 const u8 *peer, u8 tids)
4052 {
4053 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4054 struct sta_info *sta;
4055 int ret;
4056
4057 if (!sdata->local->ops->reset_tid_config)
4058 return -EOPNOTSUPP;
4059
4060 if (!peer)
4061 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4062
4063 mutex_lock(&sdata->local->sta_mtx);
4064 sta = sta_info_get_bss(sdata, peer);
4065 if (!sta) {
4066 mutex_unlock(&sdata->local->sta_mtx);
4067 return -ENOENT;
4068 }
4069
4070 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4071 mutex_unlock(&sdata->local->sta_mtx);
4072
4073 return ret;
4074 }
4075
4076 static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4077 struct cfg80211_sar_specs *sar)
4078 {
4079 struct ieee80211_local *local = wiphy_priv(wiphy);
4080
4081 if (!local->ops->set_sar_specs)
4082 return -EOPNOTSUPP;
4083
4084 return local->ops->set_sar_specs(&local->hw, sar);
4085 }
4086
4087 const struct cfg80211_ops mac80211_config_ops = {
4088 .add_virtual_intf = ieee80211_add_iface,
4089 .del_virtual_intf = ieee80211_del_iface,
4090 .change_virtual_intf = ieee80211_change_iface,
4091 .start_p2p_device = ieee80211_start_p2p_device,
4092 .stop_p2p_device = ieee80211_stop_p2p_device,
4093 .add_key = ieee80211_add_key,
4094 .del_key = ieee80211_del_key,
4095 .get_key = ieee80211_get_key,
4096 .set_default_key = ieee80211_config_default_key,
4097 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4098 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4099 .start_ap = ieee80211_start_ap,
4100 .change_beacon = ieee80211_change_beacon,
4101 .stop_ap = ieee80211_stop_ap,
4102 .add_station = ieee80211_add_station,
4103 .del_station = ieee80211_del_station,
4104 .change_station = ieee80211_change_station,
4105 .get_station = ieee80211_get_station,
4106 .dump_station = ieee80211_dump_station,
4107 .dump_survey = ieee80211_dump_survey,
4108 #ifdef CONFIG_MAC80211_MESH
4109 .add_mpath = ieee80211_add_mpath,
4110 .del_mpath = ieee80211_del_mpath,
4111 .change_mpath = ieee80211_change_mpath,
4112 .get_mpath = ieee80211_get_mpath,
4113 .dump_mpath = ieee80211_dump_mpath,
4114 .get_mpp = ieee80211_get_mpp,
4115 .dump_mpp = ieee80211_dump_mpp,
4116 .update_mesh_config = ieee80211_update_mesh_config,
4117 .get_mesh_config = ieee80211_get_mesh_config,
4118 .join_mesh = ieee80211_join_mesh,
4119 .leave_mesh = ieee80211_leave_mesh,
4120 #endif
4121 .join_ocb = ieee80211_join_ocb,
4122 .leave_ocb = ieee80211_leave_ocb,
4123 .change_bss = ieee80211_change_bss,
4124 .set_txq_params = ieee80211_set_txq_params,
4125 .set_monitor_channel = ieee80211_set_monitor_channel,
4126 .suspend = ieee80211_suspend,
4127 .resume = ieee80211_resume,
4128 .scan = ieee80211_scan,
4129 .abort_scan = ieee80211_abort_scan,
4130 .sched_scan_start = ieee80211_sched_scan_start,
4131 .sched_scan_stop = ieee80211_sched_scan_stop,
4132 .auth = ieee80211_auth,
4133 .assoc = ieee80211_assoc,
4134 .deauth = ieee80211_deauth,
4135 .disassoc = ieee80211_disassoc,
4136 .join_ibss = ieee80211_join_ibss,
4137 .leave_ibss = ieee80211_leave_ibss,
4138 .set_mcast_rate = ieee80211_set_mcast_rate,
4139 .set_wiphy_params = ieee80211_set_wiphy_params,
4140 .set_tx_power = ieee80211_set_tx_power,
4141 .get_tx_power = ieee80211_get_tx_power,
4142 .rfkill_poll = ieee80211_rfkill_poll,
4143 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4144 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4145 .set_power_mgmt = ieee80211_set_power_mgmt,
4146 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4147 .remain_on_channel = ieee80211_remain_on_channel,
4148 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4149 .mgmt_tx = ieee80211_mgmt_tx,
4150 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4151 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4152 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4153 .update_mgmt_frame_registrations =
4154 ieee80211_update_mgmt_frame_registrations,
4155 .set_antenna = ieee80211_set_antenna,
4156 .get_antenna = ieee80211_get_antenna,
4157 .set_rekey_data = ieee80211_set_rekey_data,
4158 .tdls_oper = ieee80211_tdls_oper,
4159 .tdls_mgmt = ieee80211_tdls_mgmt,
4160 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4161 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4162 .probe_client = ieee80211_probe_client,
4163 .set_noack_map = ieee80211_set_noack_map,
4164 #ifdef CONFIG_PM
4165 .set_wakeup = ieee80211_set_wakeup,
4166 #endif
4167 .get_channel = ieee80211_cfg_get_channel,
4168 .start_radar_detection = ieee80211_start_radar_detection,
4169 .end_cac = ieee80211_end_cac,
4170 .channel_switch = ieee80211_channel_switch,
4171 .set_qos_map = ieee80211_set_qos_map,
4172 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4173 .add_tx_ts = ieee80211_add_tx_ts,
4174 .del_tx_ts = ieee80211_del_tx_ts,
4175 .start_nan = ieee80211_start_nan,
4176 .stop_nan = ieee80211_stop_nan,
4177 .nan_change_conf = ieee80211_nan_change_conf,
4178 .add_nan_func = ieee80211_add_nan_func,
4179 .del_nan_func = ieee80211_del_nan_func,
4180 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4181 .tx_control_port = ieee80211_tx_control_port,
4182 .get_txq_stats = ieee80211_get_txq_stats,
4183 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4184 .start_pmsr = ieee80211_start_pmsr,
4185 .abort_pmsr = ieee80211_abort_pmsr,
4186 .probe_mesh_link = ieee80211_probe_mesh_link,
4187 .set_tid_config = ieee80211_set_tid_config,
4188 .reset_tid_config = ieee80211_reset_tid_config,
4189 .set_sar_specs = ieee80211_set_sar_specs,
4190 };
Linux with added FPC-III support