blob: 1b50bbf030ed845c49daa43b8a46f4ad3113eee1 [file] [log] [blame]
David Brazdil0f672f62019-12-10 10:32:29 +00001// SPDX-License-Identifier: GPL-2.0-only
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002/*
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
David Brazdil0f672f62019-12-10 10:32:29 +00008 * Copyright (C) 2018-2019 Intel Corporation
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00009 * Copyright (C) 2018 Intel Corporation
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000010 */
11
12#include <linux/ieee80211.h>
13#include <linux/nl80211.h>
14#include <linux/rtnetlink.h>
15#include <linux/slab.h>
16#include <net/net_namespace.h>
17#include <linux/rcupdate.h>
David Brazdil0f672f62019-12-10 10:32:29 +000018#include <linux/fips.h>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000019#include <linux/if_ether.h>
20#include <net/cfg80211.h>
21#include "ieee80211_i.h"
22#include "driver-ops.h"
23#include "rate.h"
24#include "mesh.h"
25#include "wme.h"
26
27static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
28 struct vif_params *params)
29{
30 bool mu_mimo_groups = false;
31 bool mu_mimo_follow = false;
32
33 if (params->vht_mumimo_groups) {
34 u64 membership;
35
36 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
37
38 memcpy(sdata->vif.bss_conf.mu_group.membership,
39 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
40 memcpy(sdata->vif.bss_conf.mu_group.position,
41 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
42 WLAN_USER_POSITION_LEN);
43 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
44 /* don't care about endianness - just check for 0 */
45 memcpy(&membership, params->vht_mumimo_groups,
46 WLAN_MEMBERSHIP_LEN);
47 mu_mimo_groups = membership != 0;
48 }
49
50 if (params->vht_mumimo_follow_addr) {
51 mu_mimo_follow =
52 is_valid_ether_addr(params->vht_mumimo_follow_addr);
53 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
54 params->vht_mumimo_follow_addr);
55 }
56
57 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
58}
59
60static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
61 struct vif_params *params)
62{
63 struct ieee80211_local *local = sdata->local;
64 struct ieee80211_sub_if_data *monitor_sdata;
65
66 /* check flags first */
67 if (params->flags && ieee80211_sdata_running(sdata)) {
68 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
69
70 /*
71 * Prohibit MONITOR_FLAG_COOK_FRAMES and
72 * MONITOR_FLAG_ACTIVE to be changed while the
73 * interface is up.
74 * Else we would need to add a lot of cruft
75 * to update everything:
76 * cooked_mntrs, monitor and all fif_* counters
77 * reconfigure hardware
78 */
79 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
80 return -EBUSY;
81 }
82
83 /* also validate MU-MIMO change */
84 monitor_sdata = rtnl_dereference(local->monitor_sdata);
85
86 if (!monitor_sdata &&
87 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
88 return -EOPNOTSUPP;
89
90 /* apply all changes now - no failures allowed */
91
92 if (monitor_sdata)
93 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
94
95 if (params->flags) {
96 if (ieee80211_sdata_running(sdata)) {
97 ieee80211_adjust_monitor_flags(sdata, -1);
98 sdata->u.mntr.flags = params->flags;
99 ieee80211_adjust_monitor_flags(sdata, 1);
100
101 ieee80211_configure_filter(local);
102 } else {
103 /*
104 * Because the interface is down, ieee80211_do_stop
105 * and ieee80211_do_open take care of "everything"
106 * mentioned in the comment above.
107 */
108 sdata->u.mntr.flags = params->flags;
109 }
110 }
111
112 return 0;
113}
114
115static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
116 const char *name,
117 unsigned char name_assign_type,
118 enum nl80211_iftype type,
119 struct vif_params *params)
120{
121 struct ieee80211_local *local = wiphy_priv(wiphy);
122 struct wireless_dev *wdev;
123 struct ieee80211_sub_if_data *sdata;
124 int err;
125
126 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
127 if (err)
128 return ERR_PTR(err);
129
130 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
131
132 if (type == NL80211_IFTYPE_MONITOR) {
133 err = ieee80211_set_mon_options(sdata, params);
134 if (err) {
135 ieee80211_if_remove(sdata);
136 return NULL;
137 }
138 }
139
140 return wdev;
141}
142
143static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
144{
145 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
146
147 return 0;
148}
149
150static int ieee80211_change_iface(struct wiphy *wiphy,
151 struct net_device *dev,
152 enum nl80211_iftype type,
153 struct vif_params *params)
154{
155 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
156 int ret;
157
158 ret = ieee80211_if_change_type(sdata, type);
159 if (ret)
160 return ret;
161
David Brazdil0f672f62019-12-10 10:32:29 +0000162 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000163 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
164 ieee80211_check_fast_rx_iface(sdata);
David Brazdil0f672f62019-12-10 10:32:29 +0000165 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000166 sdata->u.mgd.use_4addr = params->use_4addr;
167 }
168
169 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
170 ret = ieee80211_set_mon_options(sdata, params);
171 if (ret)
172 return ret;
173 }
174
175 return 0;
176}
177
178static int ieee80211_start_p2p_device(struct wiphy *wiphy,
179 struct wireless_dev *wdev)
180{
181 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
182 int ret;
183
184 mutex_lock(&sdata->local->chanctx_mtx);
185 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
186 mutex_unlock(&sdata->local->chanctx_mtx);
187 if (ret < 0)
188 return ret;
189
190 return ieee80211_do_open(wdev, true);
191}
192
193static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
194 struct wireless_dev *wdev)
195{
196 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
197}
198
199static int ieee80211_start_nan(struct wiphy *wiphy,
200 struct wireless_dev *wdev,
201 struct cfg80211_nan_conf *conf)
202{
203 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
204 int ret;
205
206 mutex_lock(&sdata->local->chanctx_mtx);
207 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
208 mutex_unlock(&sdata->local->chanctx_mtx);
209 if (ret < 0)
210 return ret;
211
212 ret = ieee80211_do_open(wdev, true);
213 if (ret)
214 return ret;
215
216 ret = drv_start_nan(sdata->local, sdata, conf);
217 if (ret)
218 ieee80211_sdata_stop(sdata);
219
220 sdata->u.nan.conf = *conf;
221
222 return ret;
223}
224
225static void ieee80211_stop_nan(struct wiphy *wiphy,
226 struct wireless_dev *wdev)
227{
228 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
229
230 drv_stop_nan(sdata->local, sdata);
231 ieee80211_sdata_stop(sdata);
232}
233
234static int ieee80211_nan_change_conf(struct wiphy *wiphy,
235 struct wireless_dev *wdev,
236 struct cfg80211_nan_conf *conf,
237 u32 changes)
238{
239 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
240 struct cfg80211_nan_conf new_conf;
241 int ret = 0;
242
243 if (sdata->vif.type != NL80211_IFTYPE_NAN)
244 return -EOPNOTSUPP;
245
246 if (!ieee80211_sdata_running(sdata))
247 return -ENETDOWN;
248
249 new_conf = sdata->u.nan.conf;
250
251 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
252 new_conf.master_pref = conf->master_pref;
253
254 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
255 new_conf.bands = conf->bands;
256
257 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
258 if (!ret)
259 sdata->u.nan.conf = new_conf;
260
261 return ret;
262}
263
264static int ieee80211_add_nan_func(struct wiphy *wiphy,
265 struct wireless_dev *wdev,
266 struct cfg80211_nan_func *nan_func)
267{
268 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
269 int ret;
270
271 if (sdata->vif.type != NL80211_IFTYPE_NAN)
272 return -EOPNOTSUPP;
273
274 if (!ieee80211_sdata_running(sdata))
275 return -ENETDOWN;
276
277 spin_lock_bh(&sdata->u.nan.func_lock);
278
279 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
280 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
281 GFP_ATOMIC);
282 spin_unlock_bh(&sdata->u.nan.func_lock);
283
284 if (ret < 0)
285 return ret;
286
287 nan_func->instance_id = ret;
288
289 WARN_ON(nan_func->instance_id == 0);
290
291 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
292 if (ret) {
293 spin_lock_bh(&sdata->u.nan.func_lock);
294 idr_remove(&sdata->u.nan.function_inst_ids,
295 nan_func->instance_id);
296 spin_unlock_bh(&sdata->u.nan.func_lock);
297 }
298
299 return ret;
300}
301
302static struct cfg80211_nan_func *
303ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
304 u64 cookie)
305{
306 struct cfg80211_nan_func *func;
307 int id;
308
309 lockdep_assert_held(&sdata->u.nan.func_lock);
310
311 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
312 if (func->cookie == cookie)
313 return func;
314 }
315
316 return NULL;
317}
318
319static void ieee80211_del_nan_func(struct wiphy *wiphy,
320 struct wireless_dev *wdev, u64 cookie)
321{
322 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
323 struct cfg80211_nan_func *func;
324 u8 instance_id = 0;
325
326 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
327 !ieee80211_sdata_running(sdata))
328 return;
329
330 spin_lock_bh(&sdata->u.nan.func_lock);
331
332 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
333 if (func)
334 instance_id = func->instance_id;
335
336 spin_unlock_bh(&sdata->u.nan.func_lock);
337
338 if (instance_id)
339 drv_del_nan_func(sdata->local, sdata, instance_id);
340}
341
342static int ieee80211_set_noack_map(struct wiphy *wiphy,
343 struct net_device *dev,
344 u16 noack_map)
345{
346 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
347
348 sdata->noack_map = noack_map;
349
350 ieee80211_check_fast_xmit_iface(sdata);
351
352 return 0;
353}
354
David Brazdil0f672f62019-12-10 10:32:29 +0000355static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
356 const u8 *mac_addr, u8 key_idx)
357{
358 struct ieee80211_local *local = sdata->local;
359 struct ieee80211_key *key;
360 struct sta_info *sta;
361 int ret = -EINVAL;
362
363 if (!wiphy_ext_feature_isset(local->hw.wiphy,
364 NL80211_EXT_FEATURE_EXT_KEY_ID))
365 return -EINVAL;
366
367 sta = sta_info_get_bss(sdata, mac_addr);
368
369 if (!sta)
370 return -EINVAL;
371
372 if (sta->ptk_idx == key_idx)
373 return 0;
374
375 mutex_lock(&local->key_mtx);
376 key = key_mtx_dereference(local, sta->ptk[key_idx]);
377
378 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
379 ret = ieee80211_set_tx_key(key);
380
381 mutex_unlock(&local->key_mtx);
382 return ret;
383}
384
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000385static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
386 u8 key_idx, bool pairwise, const u8 *mac_addr,
387 struct key_params *params)
388{
389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
390 struct ieee80211_local *local = sdata->local;
391 struct sta_info *sta = NULL;
392 const struct ieee80211_cipher_scheme *cs = NULL;
393 struct ieee80211_key *key;
394 int err;
395
396 if (!ieee80211_sdata_running(sdata))
397 return -ENETDOWN;
398
David Brazdil0f672f62019-12-10 10:32:29 +0000399 if (pairwise && params->mode == NL80211_KEY_SET_TX)
400 return ieee80211_set_tx(sdata, mac_addr, key_idx);
401
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000402 /* reject WEP and TKIP keys if WEP failed to initialize */
403 switch (params->cipher) {
404 case WLAN_CIPHER_SUITE_WEP40:
405 case WLAN_CIPHER_SUITE_TKIP:
406 case WLAN_CIPHER_SUITE_WEP104:
David Brazdil0f672f62019-12-10 10:32:29 +0000407 if (WARN_ON_ONCE(fips_enabled))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000408 return -EINVAL;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000409 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
David Brazdil0f672f62019-12-10 10:32:29 +0000432 if (params->mode == NL80211_KEY_NO_TX)
433 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
434
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000435 mutex_lock(&local->sta_mtx);
436
437 if (mac_addr) {
438 sta = sta_info_get_bss(sdata, mac_addr);
439 /*
440 * The ASSOC test makes sure the driver is ready to
441 * receive the key. When wpa_supplicant has roamed
442 * using FT, it attempts to set the key before
443 * association has completed, this rejects that attempt
444 * so it will set the key again after association.
445 *
446 * TODO: accept the key if we have a station entry and
447 * add it to the device after the station.
448 */
449 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
450 ieee80211_key_free_unused(key);
451 err = -ENOENT;
452 goto out_unlock;
453 }
454 }
455
456 switch (sdata->vif.type) {
457 case NL80211_IFTYPE_STATION:
458 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
459 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
460 break;
461 case NL80211_IFTYPE_AP:
462 case NL80211_IFTYPE_AP_VLAN:
463 /* Keys without a station are used for TX only */
464 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
465 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
466 break;
467 case NL80211_IFTYPE_ADHOC:
468 /* no MFP (yet) */
469 break;
470 case NL80211_IFTYPE_MESH_POINT:
471#ifdef CONFIG_MAC80211_MESH
472 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
473 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
474 break;
475#endif
476 case NL80211_IFTYPE_WDS:
477 case NL80211_IFTYPE_MONITOR:
478 case NL80211_IFTYPE_P2P_DEVICE:
479 case NL80211_IFTYPE_NAN:
480 case NL80211_IFTYPE_UNSPECIFIED:
481 case NUM_NL80211_IFTYPES:
482 case NL80211_IFTYPE_P2P_CLIENT:
483 case NL80211_IFTYPE_P2P_GO:
484 case NL80211_IFTYPE_OCB:
485 /* shouldn't happen */
486 WARN_ON_ONCE(1);
487 break;
488 }
489
490 if (sta)
491 sta->cipher_scheme = cs;
492
493 err = ieee80211_key_link(key, sdata, sta);
494
495 out_unlock:
496 mutex_unlock(&local->sta_mtx);
497
498 return err;
499}
500
501static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
502 u8 key_idx, bool pairwise, const u8 *mac_addr)
503{
504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
505 struct ieee80211_local *local = sdata->local;
506 struct sta_info *sta;
507 struct ieee80211_key *key = NULL;
508 int ret;
509
510 mutex_lock(&local->sta_mtx);
511 mutex_lock(&local->key_mtx);
512
513 if (mac_addr) {
514 ret = -ENOENT;
515
516 sta = sta_info_get_bss(sdata, mac_addr);
517 if (!sta)
518 goto out_unlock;
519
520 if (pairwise)
521 key = key_mtx_dereference(local, sta->ptk[key_idx]);
522 else
523 key = key_mtx_dereference(local, sta->gtk[key_idx]);
524 } else
525 key = key_mtx_dereference(local, sdata->keys[key_idx]);
526
527 if (!key) {
528 ret = -ENOENT;
529 goto out_unlock;
530 }
531
532 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
533
534 ret = 0;
535 out_unlock:
536 mutex_unlock(&local->key_mtx);
537 mutex_unlock(&local->sta_mtx);
538
539 return ret;
540}
541
542static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
543 u8 key_idx, bool pairwise, const u8 *mac_addr,
544 void *cookie,
545 void (*callback)(void *cookie,
546 struct key_params *params))
547{
548 struct ieee80211_sub_if_data *sdata;
549 struct sta_info *sta = NULL;
550 u8 seq[6] = {0};
551 struct key_params params;
552 struct ieee80211_key *key = NULL;
553 u64 pn64;
554 u32 iv32;
555 u16 iv16;
556 int err = -ENOENT;
557 struct ieee80211_key_seq kseq = {};
558
559 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
560
561 rcu_read_lock();
562
563 if (mac_addr) {
564 sta = sta_info_get_bss(sdata, mac_addr);
565 if (!sta)
566 goto out;
567
568 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
569 key = rcu_dereference(sta->ptk[key_idx]);
570 else if (!pairwise &&
571 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
572 key = rcu_dereference(sta->gtk[key_idx]);
573 } else
574 key = rcu_dereference(sdata->keys[key_idx]);
575
576 if (!key)
577 goto out;
578
579 memset(&params, 0, sizeof(params));
580
581 params.cipher = key->conf.cipher;
582
583 switch (key->conf.cipher) {
584 case WLAN_CIPHER_SUITE_TKIP:
585 pn64 = atomic64_read(&key->conf.tx_pn);
586 iv32 = TKIP_PN_TO_IV32(pn64);
587 iv16 = TKIP_PN_TO_IV16(pn64);
588
589 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
590 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
591 drv_get_key_seq(sdata->local, key, &kseq);
592 iv32 = kseq.tkip.iv32;
593 iv16 = kseq.tkip.iv16;
594 }
595
596 seq[0] = iv16 & 0xff;
597 seq[1] = (iv16 >> 8) & 0xff;
598 seq[2] = iv32 & 0xff;
599 seq[3] = (iv32 >> 8) & 0xff;
600 seq[4] = (iv32 >> 16) & 0xff;
601 seq[5] = (iv32 >> 24) & 0xff;
602 params.seq = seq;
603 params.seq_len = 6;
604 break;
605 case WLAN_CIPHER_SUITE_CCMP:
606 case WLAN_CIPHER_SUITE_CCMP_256:
607 case WLAN_CIPHER_SUITE_AES_CMAC:
608 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
609 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
610 offsetof(typeof(kseq), aes_cmac));
611 /* fall through */
612 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
613 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
614 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
615 offsetof(typeof(kseq), aes_gmac));
616 /* fall through */
617 case WLAN_CIPHER_SUITE_GCMP:
618 case WLAN_CIPHER_SUITE_GCMP_256:
619 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
620 offsetof(typeof(kseq), gcmp));
621
622 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
623 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
624 drv_get_key_seq(sdata->local, key, &kseq);
625 memcpy(seq, kseq.ccmp.pn, 6);
626 } else {
627 pn64 = atomic64_read(&key->conf.tx_pn);
628 seq[0] = pn64;
629 seq[1] = pn64 >> 8;
630 seq[2] = pn64 >> 16;
631 seq[3] = pn64 >> 24;
632 seq[4] = pn64 >> 32;
633 seq[5] = pn64 >> 40;
634 }
635 params.seq = seq;
636 params.seq_len = 6;
637 break;
638 default:
639 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
640 break;
641 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
642 break;
643 drv_get_key_seq(sdata->local, key, &kseq);
644 params.seq = kseq.hw.seq;
645 params.seq_len = kseq.hw.seq_len;
646 break;
647 }
648
649 params.key = key->conf.key;
650 params.key_len = key->conf.keylen;
651
652 callback(cookie, &params);
653 err = 0;
654
655 out:
656 rcu_read_unlock();
657 return err;
658}
659
660static int ieee80211_config_default_key(struct wiphy *wiphy,
661 struct net_device *dev,
662 u8 key_idx, bool uni,
663 bool multi)
664{
665 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
666
667 ieee80211_set_default_key(sdata, key_idx, uni, multi);
668
669 return 0;
670}
671
672static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
673 struct net_device *dev,
674 u8 key_idx)
675{
676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
677
678 ieee80211_set_default_mgmt_key(sdata, key_idx);
679
680 return 0;
681}
682
683void sta_set_rate_info_tx(struct sta_info *sta,
684 const struct ieee80211_tx_rate *rate,
685 struct rate_info *rinfo)
686{
687 rinfo->flags = 0;
688 if (rate->flags & IEEE80211_TX_RC_MCS) {
689 rinfo->flags |= RATE_INFO_FLAGS_MCS;
690 rinfo->mcs = rate->idx;
691 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
692 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
693 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
694 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
695 } else {
696 struct ieee80211_supported_band *sband;
697 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
698 u16 brate;
699
700 sband = ieee80211_get_sband(sta->sdata);
Olivier Deprez0e641232021-09-23 10:07:05 +0200701 WARN_ON_ONCE(sband && !sband->bitrates);
702 if (sband && sband->bitrates) {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000703 brate = sband->bitrates[rate->idx].bitrate;
704 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
705 }
706 }
707 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
708 rinfo->bw = RATE_INFO_BW_40;
709 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
710 rinfo->bw = RATE_INFO_BW_80;
711 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
712 rinfo->bw = RATE_INFO_BW_160;
713 else
714 rinfo->bw = RATE_INFO_BW_20;
715 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
716 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
717}
718
719static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
720 int idx, u8 *mac, struct station_info *sinfo)
721{
722 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
723 struct ieee80211_local *local = sdata->local;
724 struct sta_info *sta;
725 int ret = -ENOENT;
726
727 mutex_lock(&local->sta_mtx);
728
729 sta = sta_info_get_by_idx(sdata, idx);
730 if (sta) {
731 ret = 0;
732 memcpy(mac, sta->sta.addr, ETH_ALEN);
733 sta_set_sinfo(sta, sinfo, true);
734 }
735
736 mutex_unlock(&local->sta_mtx);
737
738 return ret;
739}
740
741static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
742 int idx, struct survey_info *survey)
743{
744 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
745
746 return drv_get_survey(local, idx, survey);
747}
748
749static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
750 const u8 *mac, struct station_info *sinfo)
751{
752 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
753 struct ieee80211_local *local = sdata->local;
754 struct sta_info *sta;
755 int ret = -ENOENT;
756
757 mutex_lock(&local->sta_mtx);
758
759 sta = sta_info_get_bss(sdata, mac);
760 if (sta) {
761 ret = 0;
762 sta_set_sinfo(sta, sinfo, true);
763 }
764
765 mutex_unlock(&local->sta_mtx);
766
767 return ret;
768}
769
770static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
771 struct cfg80211_chan_def *chandef)
772{
773 struct ieee80211_local *local = wiphy_priv(wiphy);
774 struct ieee80211_sub_if_data *sdata;
775 int ret = 0;
776
777 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
778 return 0;
779
780 mutex_lock(&local->mtx);
781 if (local->use_chanctx) {
782 sdata = rtnl_dereference(local->monitor_sdata);
783 if (sdata) {
784 ieee80211_vif_release_channel(sdata);
785 ret = ieee80211_vif_use_channel(sdata, chandef,
786 IEEE80211_CHANCTX_EXCLUSIVE);
787 }
788 } else if (local->open_count == local->monitors) {
789 local->_oper_chandef = *chandef;
790 ieee80211_hw_config(local, 0);
791 }
792
793 if (ret == 0)
794 local->monitor_chandef = *chandef;
795 mutex_unlock(&local->mtx);
796
797 return ret;
798}
799
800static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
801 const u8 *resp, size_t resp_len,
802 const struct ieee80211_csa_settings *csa)
803{
804 struct probe_resp *new, *old;
805
806 if (!resp || !resp_len)
807 return 1;
808
809 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
810
811 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
812 if (!new)
813 return -ENOMEM;
814
815 new->len = resp_len;
816 memcpy(new->data, resp, resp_len);
817
818 if (csa)
819 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
820 csa->n_counter_offsets_presp *
821 sizeof(new->csa_counter_offsets[0]));
822
823 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
824 if (old)
825 kfree_rcu(old, rcu_head);
826
827 return 0;
828}
829
David Brazdil0f672f62019-12-10 10:32:29 +0000830static int ieee80211_set_ftm_responder_params(
831 struct ieee80211_sub_if_data *sdata,
832 const u8 *lci, size_t lci_len,
833 const u8 *civicloc, size_t civicloc_len)
834{
835 struct ieee80211_ftm_responder_params *new, *old;
836 struct ieee80211_bss_conf *bss_conf;
837 u8 *pos;
838 int len;
839
840 if (!lci_len && !civicloc_len)
841 return 0;
842
843 bss_conf = &sdata->vif.bss_conf;
844 old = bss_conf->ftmr_params;
845 len = lci_len + civicloc_len;
846
847 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
848 if (!new)
849 return -ENOMEM;
850
851 pos = (u8 *)(new + 1);
852 if (lci_len) {
853 new->lci_len = lci_len;
854 new->lci = pos;
855 memcpy(pos, lci, lci_len);
856 pos += lci_len;
857 }
858
859 if (civicloc_len) {
860 new->civicloc_len = civicloc_len;
861 new->civicloc = pos;
862 memcpy(pos, civicloc, civicloc_len);
863 pos += civicloc_len;
864 }
865
866 bss_conf->ftmr_params = new;
867 kfree(old);
868
869 return 0;
870}
871
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000872static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
873 struct cfg80211_beacon_data *params,
874 const struct ieee80211_csa_settings *csa)
875{
876 struct beacon_data *new, *old;
877 int new_head_len, new_tail_len;
878 int size, err;
879 u32 changed = BSS_CHANGED_BEACON;
880
881 old = sdata_dereference(sdata->u.ap.beacon, sdata);
882
883
884 /* Need to have a beacon head if we don't have one yet */
885 if (!params->head && !old)
886 return -EINVAL;
887
888 /* new or old head? */
889 if (params->head)
890 new_head_len = params->head_len;
891 else
892 new_head_len = old->head_len;
893
894 /* new or old tail? */
895 if (params->tail || !old)
896 /* params->tail_len will be zero for !params->tail */
897 new_tail_len = params->tail_len;
898 else
899 new_tail_len = old->tail_len;
900
901 size = sizeof(*new) + new_head_len + new_tail_len;
902
903 new = kzalloc(size, GFP_KERNEL);
904 if (!new)
905 return -ENOMEM;
906
907 /* start filling the new info now */
908
909 /*
910 * pointers go into the block we allocated,
911 * memory is | beacon_data | head | tail |
912 */
913 new->head = ((u8 *) new) + sizeof(*new);
914 new->tail = new->head + new_head_len;
915 new->head_len = new_head_len;
916 new->tail_len = new_tail_len;
917
918 if (csa) {
919 new->csa_current_counter = csa->count;
920 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
921 csa->n_counter_offsets_beacon *
922 sizeof(new->csa_counter_offsets[0]));
923 }
924
925 /* copy in head */
926 if (params->head)
927 memcpy(new->head, params->head, new_head_len);
928 else
929 memcpy(new->head, old->head, new_head_len);
930
931 /* copy in optional tail */
932 if (params->tail)
933 memcpy(new->tail, params->tail, new_tail_len);
934 else
935 if (old)
936 memcpy(new->tail, old->tail, new_tail_len);
937
938 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
939 params->probe_resp_len, csa);
David Brazdil0f672f62019-12-10 10:32:29 +0000940 if (err < 0) {
941 kfree(new);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000942 return err;
David Brazdil0f672f62019-12-10 10:32:29 +0000943 }
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000944 if (err == 0)
945 changed |= BSS_CHANGED_AP_PROBE_RESP;
946
David Brazdil0f672f62019-12-10 10:32:29 +0000947 if (params->ftm_responder != -1) {
948 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
949 err = ieee80211_set_ftm_responder_params(sdata,
950 params->lci,
951 params->lci_len,
952 params->civicloc,
953 params->civicloc_len);
954
955 if (err < 0) {
956 kfree(new);
957 return err;
958 }
959
960 changed |= BSS_CHANGED_FTM_RESPONDER;
961 }
962
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000963 rcu_assign_pointer(sdata->u.ap.beacon, new);
964
965 if (old)
966 kfree_rcu(old, rcu_head);
967
968 return changed;
969}
970
971static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
972 struct cfg80211_ap_settings *params)
973{
974 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
975 struct ieee80211_local *local = sdata->local;
976 struct beacon_data *old;
977 struct ieee80211_sub_if_data *vlan;
978 u32 changed = BSS_CHANGED_BEACON_INT |
979 BSS_CHANGED_BEACON_ENABLED |
980 BSS_CHANGED_BEACON |
981 BSS_CHANGED_SSID |
982 BSS_CHANGED_P2P_PS |
David Brazdil0f672f62019-12-10 10:32:29 +0000983 BSS_CHANGED_TXPOWER |
984 BSS_CHANGED_TWT |
985 BSS_CHANGED_HE_OBSS_PD;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000986 int err;
David Brazdil0f672f62019-12-10 10:32:29 +0000987 int prev_beacon_int;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000988
989 old = sdata_dereference(sdata->u.ap.beacon, sdata);
990 if (old)
991 return -EALREADY;
992
993 switch (params->smps_mode) {
994 case NL80211_SMPS_OFF:
995 sdata->smps_mode = IEEE80211_SMPS_OFF;
996 break;
997 case NL80211_SMPS_STATIC:
998 sdata->smps_mode = IEEE80211_SMPS_STATIC;
999 break;
1000 case NL80211_SMPS_DYNAMIC:
1001 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
1002 break;
1003 default:
1004 return -EINVAL;
1005 }
1006 sdata->u.ap.req_smps = sdata->smps_mode;
1007
1008 sdata->needed_rx_chains = sdata->local->rx_chains;
1009
David Brazdil0f672f62019-12-10 10:32:29 +00001010 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001011 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1012
David Brazdil0f672f62019-12-10 10:32:29 +00001013 if (params->he_cap)
1014 sdata->vif.bss_conf.he_support = true;
1015
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001016 mutex_lock(&local->mtx);
1017 err = ieee80211_vif_use_channel(sdata, &params->chandef,
1018 IEEE80211_CHANCTX_SHARED);
1019 if (!err)
1020 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1021 mutex_unlock(&local->mtx);
David Brazdil0f672f62019-12-10 10:32:29 +00001022 if (err) {
1023 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001024 return err;
David Brazdil0f672f62019-12-10 10:32:29 +00001025 }
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001026
1027 /*
1028 * Apply control port protocol, this allows us to
1029 * not encrypt dynamic WEP control frames.
1030 */
1031 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1032 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1033 sdata->control_port_over_nl80211 =
1034 params->crypto.control_port_over_nl80211;
1035 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1036 &params->crypto,
1037 sdata->vif.type);
1038
1039 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1040 vlan->control_port_protocol =
1041 params->crypto.control_port_ethertype;
1042 vlan->control_port_no_encrypt =
1043 params->crypto.control_port_no_encrypt;
1044 vlan->control_port_over_nl80211 =
1045 params->crypto.control_port_over_nl80211;
1046 vlan->encrypt_headroom =
1047 ieee80211_cs_headroom(sdata->local,
1048 &params->crypto,
1049 vlan->vif.type);
1050 }
1051
1052 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1053 sdata->vif.bss_conf.enable_beacon = true;
1054 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
David Brazdil0f672f62019-12-10 10:32:29 +00001055 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1056 memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
1057 sizeof(struct ieee80211_he_obss_pd));
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001058
1059 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1060 if (params->ssid_len)
1061 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1062 params->ssid_len);
1063 sdata->vif.bss_conf.hidden_ssid =
1064 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1065
1066 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1067 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1068 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1069 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1070 if (params->p2p_opp_ps)
1071 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1072 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1073
1074 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1075 if (err < 0) {
1076 ieee80211_vif_release_channel(sdata);
1077 return err;
1078 }
1079 changed |= err;
1080
1081 err = drv_start_ap(sdata->local, sdata);
1082 if (err) {
1083 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1084
1085 if (old)
1086 kfree_rcu(old, rcu_head);
1087 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1088 ieee80211_vif_release_channel(sdata);
1089 return err;
1090 }
1091
1092 ieee80211_recalc_dtim(local, sdata);
1093 ieee80211_bss_info_change_notify(sdata, changed);
1094
1095 netif_carrier_on(dev);
1096 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1097 netif_carrier_on(vlan->dev);
1098
1099 return 0;
1100}
1101
1102static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1103 struct cfg80211_beacon_data *params)
1104{
1105 struct ieee80211_sub_if_data *sdata;
1106 struct beacon_data *old;
1107 int err;
1108
1109 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1110 sdata_assert_lock(sdata);
1111
1112 /* don't allow changing the beacon while CSA is in place - offset
1113 * of channel switch counter may change
1114 */
1115 if (sdata->vif.csa_active)
1116 return -EBUSY;
1117
1118 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1119 if (!old)
1120 return -ENOENT;
1121
1122 err = ieee80211_assign_beacon(sdata, params, NULL);
1123 if (err < 0)
1124 return err;
1125 ieee80211_bss_info_change_notify(sdata, err);
1126 return 0;
1127}
1128
1129static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1130{
1131 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1132 struct ieee80211_sub_if_data *vlan;
1133 struct ieee80211_local *local = sdata->local;
1134 struct beacon_data *old_beacon;
1135 struct probe_resp *old_probe_resp;
1136 struct cfg80211_chan_def chandef;
1137
1138 sdata_assert_lock(sdata);
1139
1140 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1141 if (!old_beacon)
1142 return -ENOENT;
1143 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1144
1145 /* abort any running channel switch */
1146 mutex_lock(&local->mtx);
1147 sdata->vif.csa_active = false;
1148 if (sdata->csa_block_tx) {
1149 ieee80211_wake_vif_queues(local, sdata,
1150 IEEE80211_QUEUE_STOP_REASON_CSA);
1151 sdata->csa_block_tx = false;
1152 }
1153
1154 mutex_unlock(&local->mtx);
1155
1156 kfree(sdata->u.ap.next_beacon);
1157 sdata->u.ap.next_beacon = NULL;
1158
1159 /* turn off carrier for this interface and dependent VLANs */
1160 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1161 netif_carrier_off(vlan->dev);
1162 netif_carrier_off(dev);
1163
1164 /* remove beacon and probe response */
1165 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1166 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1167 kfree_rcu(old_beacon, rcu_head);
1168 if (old_probe_resp)
1169 kfree_rcu(old_probe_resp, rcu_head);
1170 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1171
David Brazdil0f672f62019-12-10 10:32:29 +00001172 kfree(sdata->vif.bss_conf.ftmr_params);
1173 sdata->vif.bss_conf.ftmr_params = NULL;
1174
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001175 __sta_info_flush(sdata, true);
1176 ieee80211_free_keys(sdata, true);
1177
1178 sdata->vif.bss_conf.enable_beacon = false;
1179 sdata->vif.bss_conf.ssid_len = 0;
1180 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1181 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1182
1183 if (sdata->wdev.cac_started) {
1184 chandef = sdata->vif.bss_conf.chandef;
1185 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1186 cfg80211_cac_event(sdata->dev, &chandef,
1187 NL80211_RADAR_CAC_ABORTED,
1188 GFP_KERNEL);
1189 }
1190
1191 drv_stop_ap(sdata->local, sdata);
1192
1193 /* free all potentially still buffered bcast frames */
1194 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1195 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1196
1197 mutex_lock(&local->mtx);
1198 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1199 ieee80211_vif_release_channel(sdata);
1200 mutex_unlock(&local->mtx);
1201
1202 return 0;
1203}
1204
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001205static int sta_apply_auth_flags(struct ieee80211_local *local,
1206 struct sta_info *sta,
1207 u32 mask, u32 set)
1208{
1209 int ret;
1210
1211 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1212 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1213 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1214 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1215 if (ret)
1216 return ret;
1217 }
1218
1219 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1220 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1221 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1222 /*
1223 * When peer becomes associated, init rate control as
1224 * well. Some drivers require rate control initialized
1225 * before drv_sta_state() is called.
1226 */
1227 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1228 rate_control_rate_init(sta);
1229
1230 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1231 if (ret)
1232 return ret;
1233 }
1234
1235 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1236 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1237 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1238 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1239 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1240 else
1241 ret = 0;
1242 if (ret)
1243 return ret;
1244 }
1245
1246 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1247 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1248 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1249 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1250 if (ret)
1251 return ret;
1252 }
1253
1254 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1255 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1256 test_sta_flag(sta, WLAN_STA_AUTH)) {
1257 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1258 if (ret)
1259 return ret;
1260 }
1261
1262 return 0;
1263}
1264
1265static void sta_apply_mesh_params(struct ieee80211_local *local,
1266 struct sta_info *sta,
1267 struct station_parameters *params)
1268{
1269#ifdef CONFIG_MAC80211_MESH
1270 struct ieee80211_sub_if_data *sdata = sta->sdata;
1271 u32 changed = 0;
1272
1273 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1274 switch (params->plink_state) {
1275 case NL80211_PLINK_ESTAB:
1276 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1277 changed = mesh_plink_inc_estab_count(sdata);
1278 sta->mesh->plink_state = params->plink_state;
1279 sta->mesh->aid = params->peer_aid;
1280
1281 ieee80211_mps_sta_status_update(sta);
1282 changed |= ieee80211_mps_set_sta_local_pm(sta,
1283 sdata->u.mesh.mshcfg.power_mode);
David Brazdil0f672f62019-12-10 10:32:29 +00001284
1285 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1286 /* init at low value */
1287 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1288
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001289 break;
1290 case NL80211_PLINK_LISTEN:
1291 case NL80211_PLINK_BLOCKED:
1292 case NL80211_PLINK_OPN_SNT:
1293 case NL80211_PLINK_OPN_RCVD:
1294 case NL80211_PLINK_CNF_RCVD:
1295 case NL80211_PLINK_HOLDING:
1296 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1297 changed = mesh_plink_dec_estab_count(sdata);
1298 sta->mesh->plink_state = params->plink_state;
1299
1300 ieee80211_mps_sta_status_update(sta);
1301 changed |= ieee80211_mps_set_sta_local_pm(sta,
1302 NL80211_MESH_POWER_UNKNOWN);
1303 break;
1304 default:
1305 /* nothing */
1306 break;
1307 }
1308 }
1309
1310 switch (params->plink_action) {
1311 case NL80211_PLINK_ACTION_NO_ACTION:
1312 /* nothing */
1313 break;
1314 case NL80211_PLINK_ACTION_OPEN:
1315 changed |= mesh_plink_open(sta);
1316 break;
1317 case NL80211_PLINK_ACTION_BLOCK:
1318 changed |= mesh_plink_block(sta);
1319 break;
1320 }
1321
1322 if (params->local_pm)
1323 changed |= ieee80211_mps_set_sta_local_pm(sta,
1324 params->local_pm);
1325
1326 ieee80211_mbss_info_change_notify(sdata, changed);
1327#endif
1328}
1329
1330static int sta_apply_parameters(struct ieee80211_local *local,
1331 struct sta_info *sta,
1332 struct station_parameters *params)
1333{
1334 int ret = 0;
1335 struct ieee80211_supported_band *sband;
1336 struct ieee80211_sub_if_data *sdata = sta->sdata;
1337 u32 mask, set;
1338
1339 sband = ieee80211_get_sband(sdata);
1340 if (!sband)
1341 return -EINVAL;
1342
1343 mask = params->sta_flags_mask;
1344 set = params->sta_flags_set;
1345
1346 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1347 /*
1348 * In mesh mode, ASSOCIATED isn't part of the nl80211
1349 * API but must follow AUTHENTICATED for driver state.
1350 */
1351 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1352 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1353 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1354 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1355 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1356 /*
1357 * TDLS -- everything follows authorized, but
1358 * only becoming authorized is possible, not
1359 * going back
1360 */
1361 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1362 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1363 BIT(NL80211_STA_FLAG_ASSOCIATED);
1364 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1365 BIT(NL80211_STA_FLAG_ASSOCIATED);
1366 }
1367 }
1368
1369 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1370 local->hw.queues >= IEEE80211_NUM_ACS)
1371 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1372
1373 /* auth flags will be set later for TDLS,
1374 * and for unassociated stations that move to assocaited */
1375 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1376 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1377 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1378 ret = sta_apply_auth_flags(local, sta, mask, set);
1379 if (ret)
1380 return ret;
1381 }
1382
1383 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1384 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1385 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1386 else
1387 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1388 }
1389
1390 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1391 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1392 if (set & BIT(NL80211_STA_FLAG_MFP))
1393 set_sta_flag(sta, WLAN_STA_MFP);
1394 else
1395 clear_sta_flag(sta, WLAN_STA_MFP);
1396 }
1397
1398 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1399 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1400 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1401 else
1402 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1403 }
1404
1405 /* mark TDLS channel switch support, if the AP allows it */
1406 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1407 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1408 params->ext_capab_len >= 4 &&
1409 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1410 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1411
1412 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1413 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1414 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1415 params->ext_capab_len >= 8 &&
1416 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1417 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1418
1419 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1420 sta->sta.uapsd_queues = params->uapsd_queues;
1421 sta->sta.max_sp = params->max_sp;
1422 }
1423
1424 /* The sender might not have sent the last bit, consider it to be 0 */
1425 if (params->ext_capab_len >= 8) {
1426 u8 val = (params->ext_capab[7] &
1427 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1428
1429 /* we did get all the bits, take the MSB as well */
1430 if (params->ext_capab_len >= 9) {
1431 u8 val_msb = params->ext_capab[8] &
1432 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1433 val_msb <<= 1;
1434 val |= val_msb;
1435 }
1436
1437 switch (val) {
1438 case 1:
1439 sta->sta.max_amsdu_subframes = 32;
1440 break;
1441 case 2:
1442 sta->sta.max_amsdu_subframes = 16;
1443 break;
1444 case 3:
1445 sta->sta.max_amsdu_subframes = 8;
1446 break;
1447 default:
1448 sta->sta.max_amsdu_subframes = 0;
1449 }
1450 }
1451
1452 /*
1453 * cfg80211 validates this (1-2007) and allows setting the AID
1454 * only when creating a new station entry
1455 */
1456 if (params->aid)
1457 sta->sta.aid = params->aid;
1458
1459 /*
1460 * Some of the following updates would be racy if called on an
1461 * existing station, via ieee80211_change_station(). However,
1462 * all such changes are rejected by cfg80211 except for updates
1463 * changing the supported rates on an existing but not yet used
1464 * TDLS peer.
1465 */
1466
1467 if (params->listen_interval >= 0)
1468 sta->listen_interval = params->listen_interval;
1469
David Brazdil0f672f62019-12-10 10:32:29 +00001470 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1471 sta->sta.txpwr.type = params->txpwr.type;
1472 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1473 sta->sta.txpwr.power = params->txpwr.power;
1474 ret = drv_sta_set_txpwr(local, sdata, sta);
1475 if (ret)
1476 return ret;
1477 }
1478
1479 if (params->supported_rates && params->supported_rates_len) {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001480 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1481 sband, params->supported_rates,
1482 params->supported_rates_len,
1483 &sta->sta.supp_rates[sband->band]);
1484 }
1485
1486 if (params->ht_capa)
1487 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1488 params->ht_capa, sta);
1489
1490 /* VHT can override some HT caps such as the A-MSDU max length */
1491 if (params->vht_capa)
1492 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1493 params->vht_capa, sta);
1494
1495 if (params->he_capa)
1496 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1497 (void *)params->he_capa,
1498 params->he_capa_len, sta);
1499
1500 if (params->opmode_notif_used) {
1501 /* returned value is only needed for rc update, but the
1502 * rc isn't initialized here yet, so ignore it
1503 */
1504 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1505 sband->band);
1506 }
1507
1508 if (params->support_p2p_ps >= 0)
1509 sta->sta.support_p2p_ps = params->support_p2p_ps;
1510
1511 if (ieee80211_vif_is_mesh(&sdata->vif))
1512 sta_apply_mesh_params(local, sta, params);
1513
David Brazdil0f672f62019-12-10 10:32:29 +00001514 if (params->airtime_weight)
1515 sta->airtime_weight = params->airtime_weight;
1516
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001517 /* set the STA state after all sta info from usermode has been set */
1518 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1519 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1520 ret = sta_apply_auth_flags(local, sta, mask, set);
1521 if (ret)
1522 return ret;
1523 }
1524
1525 return 0;
1526}
1527
1528static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1529 const u8 *mac,
1530 struct station_parameters *params)
1531{
1532 struct ieee80211_local *local = wiphy_priv(wiphy);
1533 struct sta_info *sta;
1534 struct ieee80211_sub_if_data *sdata;
1535 int err;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001536
1537 if (params->vlan) {
1538 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1539
1540 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1541 sdata->vif.type != NL80211_IFTYPE_AP)
1542 return -EINVAL;
1543 } else
1544 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1545
1546 if (ether_addr_equal(mac, sdata->vif.addr))
1547 return -EINVAL;
1548
David Brazdil0f672f62019-12-10 10:32:29 +00001549 if (!is_valid_ether_addr(mac))
1550 return -EINVAL;
1551
1552 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1553 sdata->vif.type == NL80211_IFTYPE_STATION &&
1554 !sdata->u.mgd.associated)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001555 return -EINVAL;
1556
1557 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1558 if (!sta)
1559 return -ENOMEM;
1560
1561 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1562 sta->sta.tdls = true;
1563
1564 err = sta_apply_parameters(local, sta, params);
1565 if (err) {
1566 sta_info_free(local, sta);
1567 return err;
1568 }
1569
1570 /*
1571 * for TDLS and for unassociated station, rate control should be
1572 * initialized only when rates are known and station is marked
1573 * authorized/associated
1574 */
1575 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1576 test_sta_flag(sta, WLAN_STA_ASSOC))
1577 rate_control_rate_init(sta);
1578
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001579 err = sta_info_insert_rcu(sta);
1580 if (err) {
1581 rcu_read_unlock();
1582 return err;
1583 }
1584
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001585 rcu_read_unlock();
1586
1587 return 0;
1588}
1589
1590static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1591 struct station_del_parameters *params)
1592{
1593 struct ieee80211_sub_if_data *sdata;
1594
1595 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1596
1597 if (params->mac)
1598 return sta_info_destroy_addr_bss(sdata, params->mac);
1599
1600 sta_info_flush(sdata);
1601 return 0;
1602}
1603
1604static int ieee80211_change_station(struct wiphy *wiphy,
1605 struct net_device *dev, const u8 *mac,
1606 struct station_parameters *params)
1607{
1608 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1609 struct ieee80211_local *local = wiphy_priv(wiphy);
1610 struct sta_info *sta;
1611 struct ieee80211_sub_if_data *vlansdata;
1612 enum cfg80211_station_type statype;
1613 int err;
1614
1615 mutex_lock(&local->sta_mtx);
1616
1617 sta = sta_info_get_bss(sdata, mac);
1618 if (!sta) {
1619 err = -ENOENT;
1620 goto out_err;
1621 }
1622
1623 switch (sdata->vif.type) {
1624 case NL80211_IFTYPE_MESH_POINT:
1625 if (sdata->u.mesh.user_mpm)
1626 statype = CFG80211_STA_MESH_PEER_USER;
1627 else
1628 statype = CFG80211_STA_MESH_PEER_KERNEL;
1629 break;
1630 case NL80211_IFTYPE_ADHOC:
1631 statype = CFG80211_STA_IBSS;
1632 break;
1633 case NL80211_IFTYPE_STATION:
1634 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1635 statype = CFG80211_STA_AP_STA;
1636 break;
1637 }
1638 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1639 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1640 else
1641 statype = CFG80211_STA_TDLS_PEER_SETUP;
1642 break;
1643 case NL80211_IFTYPE_AP:
1644 case NL80211_IFTYPE_AP_VLAN:
1645 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1646 statype = CFG80211_STA_AP_CLIENT;
1647 else
1648 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1649 break;
1650 default:
1651 err = -EOPNOTSUPP;
1652 goto out_err;
1653 }
1654
1655 err = cfg80211_check_station_change(wiphy, params, statype);
1656 if (err)
1657 goto out_err;
1658
1659 if (params->vlan && params->vlan != sta->sdata->dev) {
1660 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1661
1662 if (params->vlan->ieee80211_ptr->use_4addr) {
1663 if (vlansdata->u.vlan.sta) {
1664 err = -EBUSY;
1665 goto out_err;
1666 }
1667
1668 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1669 __ieee80211_check_fast_rx_iface(vlansdata);
1670 }
1671
1672 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
Olivier Deprez0e641232021-09-23 10:07:05 +02001673 sta->sdata->u.vlan.sta) {
1674 ieee80211_clear_fast_rx(sta);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001675 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
Olivier Deprez0e641232021-09-23 10:07:05 +02001676 }
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001677
1678 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1679 ieee80211_vif_dec_num_mcast(sta->sdata);
1680
1681 sta->sdata = vlansdata;
1682 ieee80211_check_fast_xmit(sta);
1683
David Brazdil0f672f62019-12-10 10:32:29 +00001684 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001685 ieee80211_vif_inc_num_mcast(sta->sdata);
David Brazdil0f672f62019-12-10 10:32:29 +00001686 cfg80211_send_layer2_update(sta->sdata->dev,
1687 sta->sta.addr);
1688 }
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001689 }
1690
1691 err = sta_apply_parameters(local, sta, params);
1692 if (err)
1693 goto out_err;
1694
1695 mutex_unlock(&local->sta_mtx);
1696
1697 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1698 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1699 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1700 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1701 sta_info_tx_streams(sta) != 1) {
1702 ht_dbg(sta->sdata,
1703 "%pM just authorized and MIMO capable - update SMPS\n",
1704 sta->sta.addr);
1705 ieee80211_send_smps_action(sta->sdata,
1706 sta->sdata->bss->req_smps,
1707 sta->sta.addr,
1708 sta->sdata->vif.bss_conf.bssid);
1709 }
1710
1711 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1712 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1713 ieee80211_recalc_ps(local);
1714 ieee80211_recalc_ps_vif(sdata);
1715 }
1716
1717 return 0;
1718out_err:
1719 mutex_unlock(&local->sta_mtx);
1720 return err;
1721}
1722
1723#ifdef CONFIG_MAC80211_MESH
1724static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1725 const u8 *dst, const u8 *next_hop)
1726{
1727 struct ieee80211_sub_if_data *sdata;
1728 struct mesh_path *mpath;
1729 struct sta_info *sta;
1730
1731 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1732
1733 rcu_read_lock();
1734 sta = sta_info_get(sdata, next_hop);
1735 if (!sta) {
1736 rcu_read_unlock();
1737 return -ENOENT;
1738 }
1739
1740 mpath = mesh_path_add(sdata, dst);
1741 if (IS_ERR(mpath)) {
1742 rcu_read_unlock();
1743 return PTR_ERR(mpath);
1744 }
1745
1746 mesh_path_fix_nexthop(mpath, sta);
1747
1748 rcu_read_unlock();
1749 return 0;
1750}
1751
1752static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1753 const u8 *dst)
1754{
1755 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1756
1757 if (dst)
1758 return mesh_path_del(sdata, dst);
1759
1760 mesh_path_flush_by_iface(sdata);
1761 return 0;
1762}
1763
1764static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1765 const u8 *dst, const u8 *next_hop)
1766{
1767 struct ieee80211_sub_if_data *sdata;
1768 struct mesh_path *mpath;
1769 struct sta_info *sta;
1770
1771 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1772
1773 rcu_read_lock();
1774
1775 sta = sta_info_get(sdata, next_hop);
1776 if (!sta) {
1777 rcu_read_unlock();
1778 return -ENOENT;
1779 }
1780
1781 mpath = mesh_path_lookup(sdata, dst);
1782 if (!mpath) {
1783 rcu_read_unlock();
1784 return -ENOENT;
1785 }
1786
1787 mesh_path_fix_nexthop(mpath, sta);
1788
1789 rcu_read_unlock();
1790 return 0;
1791}
1792
1793static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1794 struct mpath_info *pinfo)
1795{
1796 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1797
1798 if (next_hop_sta)
1799 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1800 else
1801 eth_zero_addr(next_hop);
1802
1803 memset(pinfo, 0, sizeof(*pinfo));
1804
1805 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1806
1807 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1808 MPATH_INFO_SN |
1809 MPATH_INFO_METRIC |
1810 MPATH_INFO_EXPTIME |
1811 MPATH_INFO_DISCOVERY_TIMEOUT |
1812 MPATH_INFO_DISCOVERY_RETRIES |
David Brazdil0f672f62019-12-10 10:32:29 +00001813 MPATH_INFO_FLAGS |
1814 MPATH_INFO_HOP_COUNT |
1815 MPATH_INFO_PATH_CHANGE;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001816
1817 pinfo->frame_qlen = mpath->frame_queue.qlen;
1818 pinfo->sn = mpath->sn;
1819 pinfo->metric = mpath->metric;
1820 if (time_before(jiffies, mpath->exp_time))
1821 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1822 pinfo->discovery_timeout =
1823 jiffies_to_msecs(mpath->discovery_timeout);
1824 pinfo->discovery_retries = mpath->discovery_retries;
1825 if (mpath->flags & MESH_PATH_ACTIVE)
1826 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1827 if (mpath->flags & MESH_PATH_RESOLVING)
1828 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1829 if (mpath->flags & MESH_PATH_SN_VALID)
1830 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1831 if (mpath->flags & MESH_PATH_FIXED)
1832 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1833 if (mpath->flags & MESH_PATH_RESOLVED)
1834 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
David Brazdil0f672f62019-12-10 10:32:29 +00001835 pinfo->hop_count = mpath->hop_count;
1836 pinfo->path_change_count = mpath->path_change_count;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001837}
1838
1839static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1840 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1841
1842{
1843 struct ieee80211_sub_if_data *sdata;
1844 struct mesh_path *mpath;
1845
1846 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1847
1848 rcu_read_lock();
1849 mpath = mesh_path_lookup(sdata, dst);
1850 if (!mpath) {
1851 rcu_read_unlock();
1852 return -ENOENT;
1853 }
1854 memcpy(dst, mpath->dst, ETH_ALEN);
1855 mpath_set_pinfo(mpath, next_hop, pinfo);
1856 rcu_read_unlock();
1857 return 0;
1858}
1859
1860static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1861 int idx, u8 *dst, u8 *next_hop,
1862 struct mpath_info *pinfo)
1863{
1864 struct ieee80211_sub_if_data *sdata;
1865 struct mesh_path *mpath;
1866
1867 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1868
1869 rcu_read_lock();
1870 mpath = mesh_path_lookup_by_idx(sdata, idx);
1871 if (!mpath) {
1872 rcu_read_unlock();
1873 return -ENOENT;
1874 }
1875 memcpy(dst, mpath->dst, ETH_ALEN);
1876 mpath_set_pinfo(mpath, next_hop, pinfo);
1877 rcu_read_unlock();
1878 return 0;
1879}
1880
1881static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1882 struct mpath_info *pinfo)
1883{
1884 memset(pinfo, 0, sizeof(*pinfo));
1885 memcpy(mpp, mpath->mpp, ETH_ALEN);
1886
1887 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1888}
1889
1890static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1891 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1892
1893{
1894 struct ieee80211_sub_if_data *sdata;
1895 struct mesh_path *mpath;
1896
1897 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1898
1899 rcu_read_lock();
1900 mpath = mpp_path_lookup(sdata, dst);
1901 if (!mpath) {
1902 rcu_read_unlock();
1903 return -ENOENT;
1904 }
1905 memcpy(dst, mpath->dst, ETH_ALEN);
1906 mpp_set_pinfo(mpath, mpp, pinfo);
1907 rcu_read_unlock();
1908 return 0;
1909}
1910
1911static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1912 int idx, u8 *dst, u8 *mpp,
1913 struct mpath_info *pinfo)
1914{
1915 struct ieee80211_sub_if_data *sdata;
1916 struct mesh_path *mpath;
1917
1918 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1919
1920 rcu_read_lock();
1921 mpath = mpp_path_lookup_by_idx(sdata, idx);
1922 if (!mpath) {
1923 rcu_read_unlock();
1924 return -ENOENT;
1925 }
1926 memcpy(dst, mpath->dst, ETH_ALEN);
1927 mpp_set_pinfo(mpath, mpp, pinfo);
1928 rcu_read_unlock();
1929 return 0;
1930}
1931
1932static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1933 struct net_device *dev,
1934 struct mesh_config *conf)
1935{
1936 struct ieee80211_sub_if_data *sdata;
1937 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1938
1939 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1940 return 0;
1941}
1942
1943static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1944{
1945 return (mask >> (parm-1)) & 0x1;
1946}
1947
1948static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1949 const struct mesh_setup *setup)
1950{
1951 u8 *new_ie;
1952 const u8 *old_ie;
1953 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1954 struct ieee80211_sub_if_data, u.mesh);
1955
1956 /* allocate information elements */
1957 new_ie = NULL;
1958 old_ie = ifmsh->ie;
1959
1960 if (setup->ie_len) {
1961 new_ie = kmemdup(setup->ie, setup->ie_len,
1962 GFP_KERNEL);
1963 if (!new_ie)
1964 return -ENOMEM;
1965 }
1966 ifmsh->ie_len = setup->ie_len;
1967 ifmsh->ie = new_ie;
1968 kfree(old_ie);
1969
1970 /* now copy the rest of the setup parameters */
1971 ifmsh->mesh_id_len = setup->mesh_id_len;
1972 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1973 ifmsh->mesh_sp_id = setup->sync_method;
1974 ifmsh->mesh_pp_id = setup->path_sel_proto;
1975 ifmsh->mesh_pm_id = setup->path_metric;
1976 ifmsh->user_mpm = setup->user_mpm;
1977 ifmsh->mesh_auth_id = setup->auth_id;
1978 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1979 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1980 if (setup->is_authenticated)
1981 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1982 if (setup->is_secure)
1983 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1984
1985 /* mcast rate setting in Mesh Node */
1986 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1987 sizeof(setup->mcast_rate));
1988 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1989
1990 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1991 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1992
1993 return 0;
1994}
1995
1996static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1997 struct net_device *dev, u32 mask,
1998 const struct mesh_config *nconf)
1999{
2000 struct mesh_config *conf;
2001 struct ieee80211_sub_if_data *sdata;
2002 struct ieee80211_if_mesh *ifmsh;
2003
2004 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2005 ifmsh = &sdata->u.mesh;
2006
2007 /* Set the config options which we are interested in setting */
2008 conf = &(sdata->u.mesh.mshcfg);
2009 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2010 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2011 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2012 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2013 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2014 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2015 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2016 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2017 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2018 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2019 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2020 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2021 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2022 conf->element_ttl = nconf->element_ttl;
2023 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2024 if (ifmsh->user_mpm)
2025 return -EBUSY;
2026 conf->auto_open_plinks = nconf->auto_open_plinks;
2027 }
2028 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2029 conf->dot11MeshNbrOffsetMaxNeighbor =
2030 nconf->dot11MeshNbrOffsetMaxNeighbor;
2031 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2032 conf->dot11MeshHWMPmaxPREQretries =
2033 nconf->dot11MeshHWMPmaxPREQretries;
2034 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2035 conf->path_refresh_time = nconf->path_refresh_time;
2036 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2037 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2038 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2039 conf->dot11MeshHWMPactivePathTimeout =
2040 nconf->dot11MeshHWMPactivePathTimeout;
2041 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2042 conf->dot11MeshHWMPpreqMinInterval =
2043 nconf->dot11MeshHWMPpreqMinInterval;
2044 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2045 conf->dot11MeshHWMPperrMinInterval =
2046 nconf->dot11MeshHWMPperrMinInterval;
2047 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2048 mask))
2049 conf->dot11MeshHWMPnetDiameterTraversalTime =
2050 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2051 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2052 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2053 ieee80211_mesh_root_setup(ifmsh);
2054 }
2055 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2056 /* our current gate announcement implementation rides on root
2057 * announcements, so require this ifmsh to also be a root node
2058 * */
2059 if (nconf->dot11MeshGateAnnouncementProtocol &&
2060 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2061 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2062 ieee80211_mesh_root_setup(ifmsh);
2063 }
2064 conf->dot11MeshGateAnnouncementProtocol =
2065 nconf->dot11MeshGateAnnouncementProtocol;
2066 }
2067 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2068 conf->dot11MeshHWMPRannInterval =
2069 nconf->dot11MeshHWMPRannInterval;
2070 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2071 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2072 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2073 /* our RSSI threshold implementation is supported only for
2074 * devices that report signal in dBm.
2075 */
2076 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2077 return -ENOTSUPP;
2078 conf->rssi_threshold = nconf->rssi_threshold;
2079 }
2080 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2081 conf->ht_opmode = nconf->ht_opmode;
2082 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2083 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2084 }
2085 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2086 conf->dot11MeshHWMPactivePathToRootTimeout =
2087 nconf->dot11MeshHWMPactivePathToRootTimeout;
2088 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2089 conf->dot11MeshHWMProotInterval =
2090 nconf->dot11MeshHWMProotInterval;
2091 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2092 conf->dot11MeshHWMPconfirmationInterval =
2093 nconf->dot11MeshHWMPconfirmationInterval;
2094 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2095 conf->power_mode = nconf->power_mode;
2096 ieee80211_mps_local_status_update(sdata);
2097 }
2098 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2099 conf->dot11MeshAwakeWindowDuration =
2100 nconf->dot11MeshAwakeWindowDuration;
2101 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2102 conf->plink_timeout = nconf->plink_timeout;
David Brazdil0f672f62019-12-10 10:32:29 +00002103 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2104 conf->dot11MeshConnectedToMeshGate =
2105 nconf->dot11MeshConnectedToMeshGate;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002106 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2107 return 0;
2108}
2109
2110static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2111 const struct mesh_config *conf,
2112 const struct mesh_setup *setup)
2113{
2114 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2115 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2116 int err;
2117
2118 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2119 err = copy_mesh_setup(ifmsh, setup);
2120 if (err)
2121 return err;
2122
2123 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2124
2125 /* can mesh use other SMPS modes? */
2126 sdata->smps_mode = IEEE80211_SMPS_OFF;
2127 sdata->needed_rx_chains = sdata->local->rx_chains;
2128
2129 mutex_lock(&sdata->local->mtx);
2130 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2131 IEEE80211_CHANCTX_SHARED);
2132 mutex_unlock(&sdata->local->mtx);
2133 if (err)
2134 return err;
2135
2136 return ieee80211_start_mesh(sdata);
2137}
2138
2139static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2140{
2141 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2142
2143 ieee80211_stop_mesh(sdata);
2144 mutex_lock(&sdata->local->mtx);
2145 ieee80211_vif_release_channel(sdata);
Olivier Deprez0e641232021-09-23 10:07:05 +02002146 kfree(sdata->u.mesh.ie);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002147 mutex_unlock(&sdata->local->mtx);
2148
2149 return 0;
2150}
2151#endif
2152
2153static int ieee80211_change_bss(struct wiphy *wiphy,
2154 struct net_device *dev,
2155 struct bss_parameters *params)
2156{
2157 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2158 struct ieee80211_supported_band *sband;
2159 u32 changed = 0;
2160
2161 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2162 return -ENOENT;
2163
2164 sband = ieee80211_get_sband(sdata);
2165 if (!sband)
2166 return -EINVAL;
2167
2168 if (params->use_cts_prot >= 0) {
2169 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2170 changed |= BSS_CHANGED_ERP_CTS_PROT;
2171 }
2172 if (params->use_short_preamble >= 0) {
2173 sdata->vif.bss_conf.use_short_preamble =
2174 params->use_short_preamble;
2175 changed |= BSS_CHANGED_ERP_PREAMBLE;
2176 }
2177
2178 if (!sdata->vif.bss_conf.use_short_slot &&
2179 sband->band == NL80211_BAND_5GHZ) {
2180 sdata->vif.bss_conf.use_short_slot = true;
2181 changed |= BSS_CHANGED_ERP_SLOT;
2182 }
2183
2184 if (params->use_short_slot_time >= 0) {
2185 sdata->vif.bss_conf.use_short_slot =
2186 params->use_short_slot_time;
2187 changed |= BSS_CHANGED_ERP_SLOT;
2188 }
2189
2190 if (params->basic_rates) {
2191 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2192 wiphy->bands[sband->band],
2193 params->basic_rates,
2194 params->basic_rates_len,
2195 &sdata->vif.bss_conf.basic_rates);
2196 changed |= BSS_CHANGED_BASIC_RATES;
2197 ieee80211_check_rate_mask(sdata);
2198 }
2199
2200 if (params->ap_isolate >= 0) {
2201 if (params->ap_isolate)
2202 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2203 else
2204 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2205 ieee80211_check_fast_rx_iface(sdata);
2206 }
2207
2208 if (params->ht_opmode >= 0) {
2209 sdata->vif.bss_conf.ht_operation_mode =
2210 (u16) params->ht_opmode;
2211 changed |= BSS_CHANGED_HT;
2212 }
2213
2214 if (params->p2p_ctwindow >= 0) {
2215 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2216 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2217 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2218 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2219 changed |= BSS_CHANGED_P2P_PS;
2220 }
2221
2222 if (params->p2p_opp_ps > 0) {
2223 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2224 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2225 changed |= BSS_CHANGED_P2P_PS;
2226 } else if (params->p2p_opp_ps == 0) {
2227 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2228 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2229 changed |= BSS_CHANGED_P2P_PS;
2230 }
2231
2232 ieee80211_bss_info_change_notify(sdata, changed);
2233
2234 return 0;
2235}
2236
2237static int ieee80211_set_txq_params(struct wiphy *wiphy,
2238 struct net_device *dev,
2239 struct ieee80211_txq_params *params)
2240{
2241 struct ieee80211_local *local = wiphy_priv(wiphy);
2242 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2243 struct ieee80211_tx_queue_params p;
2244
2245 if (!local->ops->conf_tx)
2246 return -EOPNOTSUPP;
2247
2248 if (local->hw.queues < IEEE80211_NUM_ACS)
2249 return -EOPNOTSUPP;
2250
2251 memset(&p, 0, sizeof(p));
2252 p.aifs = params->aifs;
2253 p.cw_max = params->cwmax;
2254 p.cw_min = params->cwmin;
2255 p.txop = params->txop;
2256
2257 /*
2258 * Setting tx queue params disables u-apsd because it's only
2259 * called in master mode.
2260 */
2261 p.uapsd = false;
2262
2263 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2264
2265 sdata->tx_conf[params->ac] = p;
2266 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2267 wiphy_debug(local->hw.wiphy,
2268 "failed to set TX queue parameters for AC %d\n",
2269 params->ac);
2270 return -EINVAL;
2271 }
2272
2273 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2274
2275 return 0;
2276}
2277
2278#ifdef CONFIG_PM
2279static int ieee80211_suspend(struct wiphy *wiphy,
2280 struct cfg80211_wowlan *wowlan)
2281{
2282 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2283}
2284
2285static int ieee80211_resume(struct wiphy *wiphy)
2286{
2287 return __ieee80211_resume(wiphy_priv(wiphy));
2288}
2289#else
2290#define ieee80211_suspend NULL
2291#define ieee80211_resume NULL
2292#endif
2293
2294static int ieee80211_scan(struct wiphy *wiphy,
2295 struct cfg80211_scan_request *req)
2296{
2297 struct ieee80211_sub_if_data *sdata;
2298
2299 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2300
2301 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2302 case NL80211_IFTYPE_STATION:
2303 case NL80211_IFTYPE_ADHOC:
2304 case NL80211_IFTYPE_MESH_POINT:
2305 case NL80211_IFTYPE_P2P_CLIENT:
2306 case NL80211_IFTYPE_P2P_DEVICE:
2307 break;
2308 case NL80211_IFTYPE_P2P_GO:
2309 if (sdata->local->ops->hw_scan)
2310 break;
2311 /*
2312 * FIXME: implement NoA while scanning in software,
2313 * for now fall through to allow scanning only when
2314 * beaconing hasn't been configured yet
2315 */
2316 /* fall through */
2317 case NL80211_IFTYPE_AP:
2318 /*
2319 * If the scan has been forced (and the driver supports
2320 * forcing), don't care about being beaconing already.
2321 * This will create problems to the attached stations (e.g. all
2322 * the frames sent while scanning on other channel will be
2323 * lost)
2324 */
2325 if (sdata->u.ap.beacon &&
2326 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2327 !(req->flags & NL80211_SCAN_FLAG_AP)))
2328 return -EOPNOTSUPP;
2329 break;
2330 case NL80211_IFTYPE_NAN:
2331 default:
2332 return -EOPNOTSUPP;
2333 }
2334
2335 return ieee80211_request_scan(sdata, req);
2336}
2337
2338static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2339{
2340 ieee80211_scan_cancel(wiphy_priv(wiphy));
2341}
2342
2343static int
2344ieee80211_sched_scan_start(struct wiphy *wiphy,
2345 struct net_device *dev,
2346 struct cfg80211_sched_scan_request *req)
2347{
2348 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2349
2350 if (!sdata->local->ops->sched_scan_start)
2351 return -EOPNOTSUPP;
2352
2353 return ieee80211_request_sched_scan_start(sdata, req);
2354}
2355
2356static int
2357ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2358 u64 reqid)
2359{
2360 struct ieee80211_local *local = wiphy_priv(wiphy);
2361
2362 if (!local->ops->sched_scan_stop)
2363 return -EOPNOTSUPP;
2364
2365 return ieee80211_request_sched_scan_stop(local);
2366}
2367
2368static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2369 struct cfg80211_auth_request *req)
2370{
2371 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2372}
2373
2374static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2375 struct cfg80211_assoc_request *req)
2376{
2377 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2378}
2379
2380static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2381 struct cfg80211_deauth_request *req)
2382{
2383 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2384}
2385
2386static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2387 struct cfg80211_disassoc_request *req)
2388{
2389 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2390}
2391
2392static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2393 struct cfg80211_ibss_params *params)
2394{
2395 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2396}
2397
2398static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2399{
2400 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2401}
2402
2403static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2404 struct ocb_setup *setup)
2405{
2406 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2407}
2408
2409static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2410{
2411 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2412}
2413
2414static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2415 int rate[NUM_NL80211_BANDS])
2416{
2417 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2418
2419 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2420 sizeof(int) * NUM_NL80211_BANDS);
2421
2422 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2423
2424 return 0;
2425}
2426
2427static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2428{
2429 struct ieee80211_local *local = wiphy_priv(wiphy);
2430 int err;
2431
2432 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2433 ieee80211_check_fast_xmit_all(local);
2434
2435 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2436
2437 if (err) {
2438 ieee80211_check_fast_xmit_all(local);
2439 return err;
2440 }
2441 }
2442
2443 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2444 (changed & WIPHY_PARAM_DYN_ACK)) {
2445 s16 coverage_class;
2446
2447 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2448 wiphy->coverage_class : -1;
2449 err = drv_set_coverage_class(local, coverage_class);
2450
2451 if (err)
2452 return err;
2453 }
2454
2455 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2456 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2457
2458 if (err)
2459 return err;
2460 }
2461
2462 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2463 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2464 return -EINVAL;
2465 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2466 }
2467 if (changed & WIPHY_PARAM_RETRY_LONG) {
2468 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2469 return -EINVAL;
2470 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2471 }
2472 if (changed &
2473 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2474 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2475
2476 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2477 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2478 WIPHY_PARAM_TXQ_QUANTUM))
2479 ieee80211_txq_set_params(local);
2480
2481 return 0;
2482}
2483
2484static int ieee80211_set_tx_power(struct wiphy *wiphy,
2485 struct wireless_dev *wdev,
2486 enum nl80211_tx_power_setting type, int mbm)
2487{
2488 struct ieee80211_local *local = wiphy_priv(wiphy);
2489 struct ieee80211_sub_if_data *sdata;
2490 enum nl80211_tx_power_setting txp_type = type;
2491 bool update_txp_type = false;
2492 bool has_monitor = false;
2493
2494 if (wdev) {
2495 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2496
2497 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2498 sdata = rtnl_dereference(local->monitor_sdata);
2499 if (!sdata)
2500 return -EOPNOTSUPP;
2501 }
2502
2503 switch (type) {
2504 case NL80211_TX_POWER_AUTOMATIC:
2505 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2506 txp_type = NL80211_TX_POWER_LIMITED;
2507 break;
2508 case NL80211_TX_POWER_LIMITED:
2509 case NL80211_TX_POWER_FIXED:
2510 if (mbm < 0 || (mbm % 100))
2511 return -EOPNOTSUPP;
2512 sdata->user_power_level = MBM_TO_DBM(mbm);
2513 break;
2514 }
2515
2516 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2517 update_txp_type = true;
2518 sdata->vif.bss_conf.txpower_type = txp_type;
2519 }
2520
2521 ieee80211_recalc_txpower(sdata, update_txp_type);
2522
2523 return 0;
2524 }
2525
2526 switch (type) {
2527 case NL80211_TX_POWER_AUTOMATIC:
2528 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2529 txp_type = NL80211_TX_POWER_LIMITED;
2530 break;
2531 case NL80211_TX_POWER_LIMITED:
2532 case NL80211_TX_POWER_FIXED:
2533 if (mbm < 0 || (mbm % 100))
2534 return -EOPNOTSUPP;
2535 local->user_power_level = MBM_TO_DBM(mbm);
2536 break;
2537 }
2538
2539 mutex_lock(&local->iflist_mtx);
2540 list_for_each_entry(sdata, &local->interfaces, list) {
2541 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2542 has_monitor = true;
2543 continue;
2544 }
2545 sdata->user_power_level = local->user_power_level;
2546 if (txp_type != sdata->vif.bss_conf.txpower_type)
2547 update_txp_type = true;
2548 sdata->vif.bss_conf.txpower_type = txp_type;
2549 }
2550 list_for_each_entry(sdata, &local->interfaces, list) {
2551 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2552 continue;
2553 ieee80211_recalc_txpower(sdata, update_txp_type);
2554 }
2555 mutex_unlock(&local->iflist_mtx);
2556
2557 if (has_monitor) {
2558 sdata = rtnl_dereference(local->monitor_sdata);
2559 if (sdata) {
2560 sdata->user_power_level = local->user_power_level;
2561 if (txp_type != sdata->vif.bss_conf.txpower_type)
2562 update_txp_type = true;
2563 sdata->vif.bss_conf.txpower_type = txp_type;
2564
2565 ieee80211_recalc_txpower(sdata, update_txp_type);
2566 }
2567 }
2568
2569 return 0;
2570}
2571
2572static int ieee80211_get_tx_power(struct wiphy *wiphy,
2573 struct wireless_dev *wdev,
2574 int *dbm)
2575{
2576 struct ieee80211_local *local = wiphy_priv(wiphy);
2577 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2578
2579 if (local->ops->get_txpower)
2580 return drv_get_txpower(local, sdata, dbm);
2581
2582 if (!local->use_chanctx)
2583 *dbm = local->hw.conf.power_level;
2584 else
2585 *dbm = sdata->vif.bss_conf.txpower;
2586
2587 return 0;
2588}
2589
2590static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2591 const u8 *addr)
2592{
2593 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2594
2595 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2596
2597 return 0;
2598}
2599
2600static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2601{
2602 struct ieee80211_local *local = wiphy_priv(wiphy);
2603
2604 drv_rfkill_poll(local);
2605}
2606
2607#ifdef CONFIG_NL80211_TESTMODE
2608static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2609 struct wireless_dev *wdev,
2610 void *data, int len)
2611{
2612 struct ieee80211_local *local = wiphy_priv(wiphy);
2613 struct ieee80211_vif *vif = NULL;
2614
2615 if (!local->ops->testmode_cmd)
2616 return -EOPNOTSUPP;
2617
2618 if (wdev) {
2619 struct ieee80211_sub_if_data *sdata;
2620
2621 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2622 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2623 vif = &sdata->vif;
2624 }
2625
2626 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2627}
2628
2629static int ieee80211_testmode_dump(struct wiphy *wiphy,
2630 struct sk_buff *skb,
2631 struct netlink_callback *cb,
2632 void *data, int len)
2633{
2634 struct ieee80211_local *local = wiphy_priv(wiphy);
2635
2636 if (!local->ops->testmode_dump)
2637 return -EOPNOTSUPP;
2638
2639 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2640}
2641#endif
2642
2643int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2644 enum ieee80211_smps_mode smps_mode)
2645{
2646 struct sta_info *sta;
2647 enum ieee80211_smps_mode old_req;
2648
2649 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2650 return -EINVAL;
2651
2652 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2653 return 0;
2654
2655 old_req = sdata->u.ap.req_smps;
2656 sdata->u.ap.req_smps = smps_mode;
2657
2658 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2659 if (old_req == smps_mode ||
2660 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2661 return 0;
2662
2663 ht_dbg(sdata,
2664 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2665 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2666
2667 mutex_lock(&sdata->local->sta_mtx);
2668 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2669 /*
2670 * Only stations associated to our AP and
2671 * associated VLANs
2672 */
2673 if (sta->sdata->bss != &sdata->u.ap)
2674 continue;
2675
2676 /* This station doesn't support MIMO - skip it */
2677 if (sta_info_tx_streams(sta) == 1)
2678 continue;
2679
2680 /*
2681 * Don't wake up a STA just to send the action frame
2682 * unless we are getting more restrictive.
2683 */
2684 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2685 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2686 smps_mode)) {
2687 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2688 sta->sta.addr);
2689 continue;
2690 }
2691
2692 /*
2693 * If the STA is not authorized, wait until it gets
2694 * authorized and the action frame will be sent then.
2695 */
2696 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2697 continue;
2698
2699 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2700 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2701 sdata->vif.bss_conf.bssid);
2702 }
2703 mutex_unlock(&sdata->local->sta_mtx);
2704
2705 sdata->smps_mode = smps_mode;
2706 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2707
2708 return 0;
2709}
2710
2711int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2712 enum ieee80211_smps_mode smps_mode)
2713{
2714 const u8 *ap;
2715 enum ieee80211_smps_mode old_req;
2716 int err;
2717 struct sta_info *sta;
2718 bool tdls_peer_found = false;
2719
2720 lockdep_assert_held(&sdata->wdev.mtx);
2721
2722 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2723 return -EINVAL;
2724
2725 old_req = sdata->u.mgd.req_smps;
2726 sdata->u.mgd.req_smps = smps_mode;
2727
2728 if (old_req == smps_mode &&
2729 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2730 return 0;
2731
2732 /*
2733 * If not associated, or current association is not an HT
2734 * association, there's no need to do anything, just store
2735 * the new value until we associate.
2736 */
2737 if (!sdata->u.mgd.associated ||
2738 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2739 return 0;
2740
2741 ap = sdata->u.mgd.associated->bssid;
2742
2743 rcu_read_lock();
2744 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2745 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2746 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2747 continue;
2748
2749 tdls_peer_found = true;
2750 break;
2751 }
2752 rcu_read_unlock();
2753
2754 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2755 if (tdls_peer_found || !sdata->u.mgd.powersave)
2756 smps_mode = IEEE80211_SMPS_OFF;
2757 else
2758 smps_mode = IEEE80211_SMPS_DYNAMIC;
2759 }
2760
2761 /* send SM PS frame to AP */
2762 err = ieee80211_send_smps_action(sdata, smps_mode,
2763 ap, ap);
2764 if (err)
2765 sdata->u.mgd.req_smps = old_req;
2766 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2767 ieee80211_teardown_tdls_peers(sdata);
2768
2769 return err;
2770}
2771
2772static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2773 bool enabled, int timeout)
2774{
2775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2776 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2777
2778 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2779 return -EOPNOTSUPP;
2780
2781 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2782 return -EOPNOTSUPP;
2783
2784 if (enabled == sdata->u.mgd.powersave &&
2785 timeout == local->dynamic_ps_forced_timeout)
2786 return 0;
2787
2788 sdata->u.mgd.powersave = enabled;
2789 local->dynamic_ps_forced_timeout = timeout;
2790
2791 /* no change, but if automatic follow powersave */
2792 sdata_lock(sdata);
2793 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2794 sdata_unlock(sdata);
2795
2796 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2797 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2798
2799 ieee80211_recalc_ps(local);
2800 ieee80211_recalc_ps_vif(sdata);
2801 ieee80211_check_fast_rx_iface(sdata);
2802
2803 return 0;
2804}
2805
2806static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2807 struct net_device *dev,
2808 s32 rssi_thold, u32 rssi_hyst)
2809{
2810 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2811 struct ieee80211_vif *vif = &sdata->vif;
2812 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2813
2814 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2815 rssi_hyst == bss_conf->cqm_rssi_hyst)
2816 return 0;
2817
2818 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2819 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2820 return -EOPNOTSUPP;
2821
2822 bss_conf->cqm_rssi_thold = rssi_thold;
2823 bss_conf->cqm_rssi_hyst = rssi_hyst;
2824 bss_conf->cqm_rssi_low = 0;
2825 bss_conf->cqm_rssi_high = 0;
2826 sdata->u.mgd.last_cqm_event_signal = 0;
2827
2828 /* tell the driver upon association, unless already associated */
2829 if (sdata->u.mgd.associated &&
2830 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2831 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2832
2833 return 0;
2834}
2835
2836static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2837 struct net_device *dev,
2838 s32 rssi_low, s32 rssi_high)
2839{
2840 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2841 struct ieee80211_vif *vif = &sdata->vif;
2842 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2843
2844 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2845 return -EOPNOTSUPP;
2846
2847 bss_conf->cqm_rssi_low = rssi_low;
2848 bss_conf->cqm_rssi_high = rssi_high;
2849 bss_conf->cqm_rssi_thold = 0;
2850 bss_conf->cqm_rssi_hyst = 0;
2851 sdata->u.mgd.last_cqm_event_signal = 0;
2852
2853 /* tell the driver upon association, unless already associated */
2854 if (sdata->u.mgd.associated &&
2855 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2856 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2857
2858 return 0;
2859}
2860
2861static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2862 struct net_device *dev,
2863 const u8 *addr,
2864 const struct cfg80211_bitrate_mask *mask)
2865{
2866 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2867 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2868 int i, ret;
2869
2870 if (!ieee80211_sdata_running(sdata))
2871 return -ENETDOWN;
2872
2873 /*
2874 * If active validate the setting and reject it if it doesn't leave
2875 * at least one basic rate usable, since we really have to be able
2876 * to send something, and if we're an AP we have to be able to do
2877 * so at a basic rate so that all clients can receive it.
2878 */
2879 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2880 sdata->vif.bss_conf.chandef.chan) {
2881 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2882 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2883
2884 if (!(mask->control[band].legacy & basic_rates))
2885 return -EINVAL;
2886 }
2887
2888 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2889 ret = drv_set_bitrate_mask(local, sdata, mask);
2890 if (ret)
2891 return ret;
2892 }
2893
2894 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2895 struct ieee80211_supported_band *sband = wiphy->bands[i];
2896 int j;
2897
2898 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2899 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2900 sizeof(mask->control[i].ht_mcs));
2901 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2902 mask->control[i].vht_mcs,
2903 sizeof(mask->control[i].vht_mcs));
2904
2905 sdata->rc_has_mcs_mask[i] = false;
2906 sdata->rc_has_vht_mcs_mask[i] = false;
2907 if (!sband)
2908 continue;
2909
2910 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
Olivier Deprez0e641232021-09-23 10:07:05 +02002911 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002912 sdata->rc_has_mcs_mask[i] = true;
2913 break;
2914 }
2915 }
2916
2917 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
Olivier Deprez0e641232021-09-23 10:07:05 +02002918 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002919 sdata->rc_has_vht_mcs_mask[i] = true;
2920 break;
2921 }
2922 }
2923 }
2924
2925 return 0;
2926}
2927
2928static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2929 struct net_device *dev,
2930 struct cfg80211_chan_def *chandef,
2931 u32 cac_time_ms)
2932{
2933 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2934 struct ieee80211_local *local = sdata->local;
2935 int err;
2936
2937 mutex_lock(&local->mtx);
2938 if (!list_empty(&local->roc_list) || local->scanning) {
2939 err = -EBUSY;
2940 goto out_unlock;
2941 }
2942
2943 /* whatever, but channel contexts should not complain about that one */
2944 sdata->smps_mode = IEEE80211_SMPS_OFF;
2945 sdata->needed_rx_chains = local->rx_chains;
2946
2947 err = ieee80211_vif_use_channel(sdata, chandef,
2948 IEEE80211_CHANCTX_SHARED);
2949 if (err)
2950 goto out_unlock;
2951
2952 ieee80211_queue_delayed_work(&sdata->local->hw,
2953 &sdata->dfs_cac_timer_work,
2954 msecs_to_jiffies(cac_time_ms));
2955
2956 out_unlock:
2957 mutex_unlock(&local->mtx);
2958 return err;
2959}
2960
Olivier Deprez0e641232021-09-23 10:07:05 +02002961static void ieee80211_end_cac(struct wiphy *wiphy,
2962 struct net_device *dev)
2963{
2964 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2965 struct ieee80211_local *local = sdata->local;
2966
2967 mutex_lock(&local->mtx);
2968 list_for_each_entry(sdata, &local->interfaces, list) {
2969 /* it might be waiting for the local->mtx, but then
2970 * by the time it gets it, sdata->wdev.cac_started
2971 * will no longer be true
2972 */
2973 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2974
2975 if (sdata->wdev.cac_started) {
2976 ieee80211_vif_release_channel(sdata);
2977 sdata->wdev.cac_started = false;
2978 }
2979 }
2980 mutex_unlock(&local->mtx);
2981}
2982
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002983static struct cfg80211_beacon_data *
2984cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2985{
2986 struct cfg80211_beacon_data *new_beacon;
2987 u8 *pos;
2988 int len;
2989
2990 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2991 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
David Brazdil0f672f62019-12-10 10:32:29 +00002992 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002993
2994 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2995 if (!new_beacon)
2996 return NULL;
2997
2998 pos = (u8 *)(new_beacon + 1);
2999 if (beacon->head_len) {
3000 new_beacon->head_len = beacon->head_len;
3001 new_beacon->head = pos;
3002 memcpy(pos, beacon->head, beacon->head_len);
3003 pos += beacon->head_len;
3004 }
3005 if (beacon->tail_len) {
3006 new_beacon->tail_len = beacon->tail_len;
3007 new_beacon->tail = pos;
3008 memcpy(pos, beacon->tail, beacon->tail_len);
3009 pos += beacon->tail_len;
3010 }
3011 if (beacon->beacon_ies_len) {
3012 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3013 new_beacon->beacon_ies = pos;
3014 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3015 pos += beacon->beacon_ies_len;
3016 }
3017 if (beacon->proberesp_ies_len) {
3018 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3019 new_beacon->proberesp_ies = pos;
3020 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3021 pos += beacon->proberesp_ies_len;
3022 }
3023 if (beacon->assocresp_ies_len) {
3024 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3025 new_beacon->assocresp_ies = pos;
3026 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3027 pos += beacon->assocresp_ies_len;
3028 }
3029 if (beacon->probe_resp_len) {
3030 new_beacon->probe_resp_len = beacon->probe_resp_len;
3031 new_beacon->probe_resp = pos;
3032 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3033 pos += beacon->probe_resp_len;
3034 }
3035
David Brazdil0f672f62019-12-10 10:32:29 +00003036 /* might copy -1, meaning no changes requested */
3037 new_beacon->ftm_responder = beacon->ftm_responder;
3038 if (beacon->lci) {
3039 new_beacon->lci_len = beacon->lci_len;
3040 new_beacon->lci = pos;
3041 memcpy(pos, beacon->lci, beacon->lci_len);
3042 pos += beacon->lci_len;
3043 }
3044 if (beacon->civicloc) {
3045 new_beacon->civicloc_len = beacon->civicloc_len;
3046 new_beacon->civicloc = pos;
3047 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3048 pos += beacon->civicloc_len;
3049 }
3050
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00003051 return new_beacon;
3052}
3053
3054void ieee80211_csa_finish(struct ieee80211_vif *vif)
3055{
3056 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3057
3058 ieee80211_queue_work(&sdata->local->hw,
3059 &sdata->csa_finalize_work);
3060}
3061EXPORT_SYMBOL(ieee80211_csa_finish);
3062
3063static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3064 u32 *changed)
3065{
3066 int err;
3067
3068 switch (sdata->vif.type) {
3069 case NL80211_IFTYPE_AP:
3070 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3071 NULL);
3072 kfree(sdata->u.ap.next_beacon);
3073 sdata->u.ap.next_beacon = NULL;
3074
3075 if (err < 0)
3076 return err;
3077 *changed |= err;
3078 break;
3079 case NL80211_IFTYPE_ADHOC:
3080 err = ieee80211_ibss_finish_csa(sdata);
3081 if (err < 0)
3082 return err;
3083 *changed |= err;
3084 break;
3085#ifdef CONFIG_MAC80211_MESH
3086 case NL80211_IFTYPE_MESH_POINT:
3087 err = ieee80211_mesh_finish_csa(sdata);
3088 if (err < 0)
3089 return err;
3090 *changed |= err;
3091 break;
3092#endif
3093 default:
3094 WARN_ON(1);
3095 return -EINVAL;
3096 }
3097
3098 return 0;
3099}
3100
3101static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3102{
3103 struct ieee80211_local *local = sdata->local;
3104 u32 changed = 0;
3105 int err;
3106
3107 sdata_assert_lock(sdata);
3108 lockdep_assert_held(&local->mtx);
3109 lockdep_assert_held(&local->chanctx_mtx);
3110
3111 /*
3112 * using reservation isn't immediate as it may be deferred until later
3113 * with multi-vif. once reservation is complete it will re-schedule the
3114 * work with no reserved_chanctx so verify chandef to check if it
3115 * completed successfully
3116 */
3117
3118 if (sdata->reserved_chanctx) {
3119 /*
3120 * with multi-vif csa driver may call ieee80211_csa_finish()
3121 * many times while waiting for other interfaces to use their
3122 * reservations
3123 */
3124 if (sdata->reserved_ready)
3125 return 0;
3126
3127 return ieee80211_vif_use_reserved_context(sdata);
3128 }
3129
3130 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3131 &sdata->csa_chandef))
3132 return -EINVAL;
3133
3134 sdata->vif.csa_active = false;
3135
3136 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3137 if (err)
3138 return err;
3139
3140 ieee80211_bss_info_change_notify(sdata, changed);
3141
3142 if (sdata->csa_block_tx) {
3143 ieee80211_wake_vif_queues(local, sdata,
3144 IEEE80211_QUEUE_STOP_REASON_CSA);
3145 sdata->csa_block_tx = false;
3146 }
3147
3148 err = drv_post_channel_switch(sdata);
3149 if (err)
3150 return err;
3151
3152 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3153
3154 return 0;
3155}
3156
3157static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3158{
3159 if (__ieee80211_csa_finalize(sdata)) {
3160 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3161 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3162 GFP_KERNEL);
3163 }
3164}
3165
3166void ieee80211_csa_finalize_work(struct work_struct *work)
3167{
3168 struct ieee80211_sub_if_data *sdata =
3169 container_of(work, struct ieee80211_sub_if_data,
3170 csa_finalize_work);
3171 struct ieee80211_local *local = sdata->local;
3172
3173 sdata_lock(sdata);
3174 mutex_lock(&local->mtx);
3175 mutex_lock(&local->chanctx_mtx);
3176
3177 /* AP might have been stopped while waiting for the lock. */
3178 if (!sdata->vif.csa_active)
3179 goto unlock;
3180
3181 if (!ieee80211_sdata_running(sdata))
3182 goto unlock;
3183
3184 ieee80211_csa_finalize(sdata);
3185
3186unlock:
3187 mutex_unlock(&local->chanctx_mtx);
3188 mutex_unlock(&local->mtx);
3189 sdata_unlock(sdata);
3190}
3191
3192static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3193 struct cfg80211_csa_settings *params,
3194 u32 *changed)
3195{
3196 struct ieee80211_csa_settings csa = {};
3197 int err;
3198
3199 switch (sdata->vif.type) {
3200 case NL80211_IFTYPE_AP:
3201 sdata->u.ap.next_beacon =
3202 cfg80211_beacon_dup(&params->beacon_after);
3203 if (!sdata->u.ap.next_beacon)
3204 return -ENOMEM;
3205
3206 /*
3207 * With a count of 0, we don't have to wait for any
3208 * TBTT before switching, so complete the CSA
3209 * immediately. In theory, with a count == 1 we
3210 * should delay the switch until just before the next
3211 * TBTT, but that would complicate things so we switch
3212 * immediately too. If we would delay the switch
3213 * until the next TBTT, we would have to set the probe
3214 * response here.
3215 *
3216 * TODO: A channel switch with count <= 1 without
3217 * sending a CSA action frame is kind of useless,
3218 * because the clients won't know we're changing
3219 * channels. The action frame must be implemented
3220 * either here or in the userspace.
3221 */
3222 if (params->count <= 1)
3223 break;
3224
3225 if ((params->n_counter_offsets_beacon >
3226 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3227 (params->n_counter_offsets_presp >
3228 IEEE80211_MAX_CSA_COUNTERS_NUM))
3229 return -EINVAL;
3230
3231 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3232 csa.counter_offsets_presp = params->counter_offsets_presp;
3233 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3234 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3235 csa.count = params->count;
3236
3237 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3238 if (err < 0) {
3239 kfree(sdata->u.ap.next_beacon);
3240 return err;
3241 }
3242 *changed |= err;
3243
3244 break;
3245 case NL80211_IFTYPE_ADHOC:
3246 if (!sdata->vif.bss_conf.ibss_joined)
3247 return -EINVAL;
3248
3249 if (params->chandef.width != sdata->u.ibss.chandef.width)
3250 return -EINVAL;
3251
3252 switch (params->chandef.width) {
3253 case NL80211_CHAN_WIDTH_40:
3254 if (cfg80211_get_chandef_type(&params->chandef) !=
3255 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3256 return -EINVAL;
3257 case NL80211_CHAN_WIDTH_5:
3258 case NL80211_CHAN_WIDTH_10:
3259 case NL80211_CHAN_WIDTH_20_NOHT:
3260 case NL80211_CHAN_WIDTH_20:
3261 break;
3262 default:
3263 return -EINVAL;
3264 }
3265
3266 /* changes into another band are not supported */
3267 if (sdata->u.ibss.chandef.chan->band !=
3268 params->chandef.chan->band)
3269 return -EINVAL;
3270
3271 /* see comments in the NL80211_IFTYPE_AP block */
3272 if (params->count > 1) {
3273 err = ieee80211_ibss_csa_beacon(sdata, params);
3274 if (err < 0)
3275 return err;
3276 *changed |= err;
3277 }
3278
3279 ieee80211_send_action_csa(sdata, params);
3280
3281 break;
3282#ifdef CONFIG_MAC80211_MESH
3283 case NL80211_IFTYPE_MESH_POINT: {
3284 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3285
3286 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3287 return -EINVAL;
3288
3289 /* changes into another band are not supported */
3290 if (sdata->vif.bss_conf.chandef.chan->band !=
3291 params->chandef.chan->band)
3292 return -EINVAL;
3293
3294 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3295 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3296 if (!ifmsh->pre_value)
3297 ifmsh->pre_value = 1;
3298 else
3299 ifmsh->pre_value++;
3300 }
3301
3302 /* see comments in the NL80211_IFTYPE_AP block */
3303 if (params->count > 1) {
3304 err = ieee80211_mesh_csa_beacon(sdata, params);
3305 if (err < 0) {
3306 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3307 return err;
3308 }
3309 *changed |= err;
3310 }
3311
3312 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3313 ieee80211_send_action_csa(sdata, params);
3314
3315 break;
3316 }
3317#endif
3318 default:
3319 return -EOPNOTSUPP;
3320 }
3321
3322 return 0;
3323}
3324
3325static int
3326__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3327 struct cfg80211_csa_settings *params)
3328{
3329 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3330 struct ieee80211_local *local = sdata->local;
3331 struct ieee80211_channel_switch ch_switch;
3332 struct ieee80211_chanctx_conf *conf;
3333 struct ieee80211_chanctx *chanctx;
3334 u32 changed = 0;
3335 int err;
3336
3337 sdata_assert_lock(sdata);
3338 lockdep_assert_held(&local->mtx);
3339
3340 if (!list_empty(&local->roc_list) || local->scanning)
3341 return -EBUSY;
3342
3343 if (sdata->wdev.cac_started)
3344 return -EBUSY;
3345
3346 if (cfg80211_chandef_identical(&params->chandef,
3347 &sdata->vif.bss_conf.chandef))
3348 return -EINVAL;
3349
3350 /* don't allow another channel switch if one is already active. */
3351 if (sdata->vif.csa_active)
3352 return -EBUSY;
3353
3354 mutex_lock(&local->chanctx_mtx);
3355 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3356 lockdep_is_held(&local->chanctx_mtx));
3357 if (!conf) {
3358 err = -EBUSY;
3359 goto out;
3360 }
3361
3362 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3363
3364 ch_switch.timestamp = 0;
3365 ch_switch.device_timestamp = 0;
3366 ch_switch.block_tx = params->block_tx;
3367 ch_switch.chandef = params->chandef;
3368 ch_switch.count = params->count;
3369
3370 err = drv_pre_channel_switch(sdata, &ch_switch);
3371 if (err)
3372 goto out;
3373
3374 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3375 chanctx->mode,
3376 params->radar_required);
3377 if (err)
3378 goto out;
3379
3380 /* if reservation is invalid then this will fail */
3381 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3382 if (err) {
3383 ieee80211_vif_unreserve_chanctx(sdata);
3384 goto out;
3385 }
3386
3387 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3388 if (err) {
3389 ieee80211_vif_unreserve_chanctx(sdata);
3390 goto out;
3391 }
3392
3393 sdata->csa_chandef = params->chandef;
3394 sdata->csa_block_tx = params->block_tx;
3395 sdata->vif.csa_active = true;
3396
3397 if (sdata->csa_block_tx)
3398 ieee80211_stop_vif_queues(local, sdata,
3399 IEEE80211_QUEUE_STOP_REASON_CSA);
3400
3401 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3402 params->count);
3403
3404 if (changed) {
3405 ieee80211_bss_info_change_notify(sdata, changed);
3406 drv_channel_switch_beacon(sdata, &params->chandef);
3407 } else {
3408 /* if the beacon didn't change, we can finalize immediately */
3409 ieee80211_csa_finalize(sdata);
3410 }
3411
3412out:
3413 mutex_unlock(&local->chanctx_mtx);
3414 return err;
3415}
3416
3417int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3418 struct cfg80211_csa_settings *params)
3419{
3420 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3421 struct ieee80211_local *local = sdata->local;
3422 int err;
3423
3424 mutex_lock(&local->mtx);
3425 err = __ieee80211_channel_switch(wiphy, dev, params);
3426 mutex_unlock(&local->mtx);
3427
3428 return err;
3429}
3430
3431u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3432{
3433 lockdep_assert_held(&local->mtx);
3434
3435 local->roc_cookie_counter++;
3436
3437 /* wow, you wrapped 64 bits ... more likely a bug */
3438 if (WARN_ON(local->roc_cookie_counter == 0))
3439 local->roc_cookie_counter++;
3440
3441 return local->roc_cookie_counter;
3442}
3443
3444int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3445 u64 *cookie, gfp_t gfp)
3446{
3447 unsigned long spin_flags;
3448 struct sk_buff *ack_skb;
3449 int id;
3450
3451 ack_skb = skb_copy(skb, gfp);
3452 if (!ack_skb)
3453 return -ENOMEM;
3454
3455 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3456 id = idr_alloc(&local->ack_status_frames, ack_skb,
3457 1, 0x10000, GFP_ATOMIC);
3458 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3459
3460 if (id < 0) {
3461 kfree_skb(ack_skb);
3462 return -ENOMEM;
3463 }
3464
3465 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3466
3467 *cookie = ieee80211_mgmt_tx_cookie(local);
3468 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3469
3470 return 0;
3471}
3472
3473static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3474 struct wireless_dev *wdev,
3475 u16 frame_type, bool reg)
3476{
3477 struct ieee80211_local *local = wiphy_priv(wiphy);
3478 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3479
3480 switch (frame_type) {
3481 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3482 if (reg) {
3483 local->probe_req_reg++;
3484 sdata->vif.probe_req_reg++;
3485 } else {
3486 if (local->probe_req_reg)
3487 local->probe_req_reg--;
3488
3489 if (sdata->vif.probe_req_reg)
3490 sdata->vif.probe_req_reg--;
3491 }
3492
3493 if (!local->open_count)
3494 break;
3495
3496 if (sdata->vif.probe_req_reg == 1)
3497 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3498 FIF_PROBE_REQ);
3499 else if (sdata->vif.probe_req_reg == 0)
3500 drv_config_iface_filter(local, sdata, 0,
3501 FIF_PROBE_REQ);
3502
3503 ieee80211_configure_filter(local);
3504 break;
3505 default:
3506 break;
3507 }
3508}
3509
3510static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3511{
3512 struct ieee80211_local *local = wiphy_priv(wiphy);
3513
3514 if (local->started)
3515 return -EOPNOTSUPP;
3516
3517 return drv_set_antenna(local, tx_ant, rx_ant);
3518}
3519
3520static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3521{
3522 struct ieee80211_local *local = wiphy_priv(wiphy);
3523
3524 return drv_get_antenna(local, tx_ant, rx_ant);
3525}
3526
3527static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3528 struct net_device *dev,
3529 struct cfg80211_gtk_rekey_data *data)
3530{
3531 struct ieee80211_local *local = wiphy_priv(wiphy);
3532 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3533
3534 if (!local->ops->set_rekey_data)
3535 return -EOPNOTSUPP;
3536
3537 drv_set_rekey_data(local, sdata, data);
3538
3539 return 0;
3540}
3541
3542static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3543 const u8 *peer, u64 *cookie)
3544{
3545 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3546 struct ieee80211_local *local = sdata->local;
3547 struct ieee80211_qos_hdr *nullfunc;
3548 struct sk_buff *skb;
3549 int size = sizeof(*nullfunc);
3550 __le16 fc;
3551 bool qos;
3552 struct ieee80211_tx_info *info;
3553 struct sta_info *sta;
3554 struct ieee80211_chanctx_conf *chanctx_conf;
3555 enum nl80211_band band;
3556 int ret;
3557
3558 /* the lock is needed to assign the cookie later */
3559 mutex_lock(&local->mtx);
3560
3561 rcu_read_lock();
3562 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3563 if (WARN_ON(!chanctx_conf)) {
3564 ret = -EINVAL;
3565 goto unlock;
3566 }
3567 band = chanctx_conf->def.chan->band;
3568 sta = sta_info_get_bss(sdata, peer);
3569 if (sta) {
3570 qos = sta->sta.wme;
3571 } else {
3572 ret = -ENOLINK;
3573 goto unlock;
3574 }
3575
3576 if (qos) {
3577 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3578 IEEE80211_STYPE_QOS_NULLFUNC |
3579 IEEE80211_FCTL_FROMDS);
3580 } else {
3581 size -= 2;
3582 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3583 IEEE80211_STYPE_NULLFUNC |
3584 IEEE80211_FCTL_FROMDS);
3585 }
3586
3587 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3588 if (!skb) {
3589 ret = -ENOMEM;
3590 goto unlock;
3591 }
3592
3593 skb->dev = dev;
3594
3595 skb_reserve(skb, local->hw.extra_tx_headroom);
3596
3597 nullfunc = skb_put(skb, size);
3598 nullfunc->frame_control = fc;
3599 nullfunc->duration_id = 0;
3600 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3601 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3602 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3603 nullfunc->seq_ctrl = 0;
3604
3605 info = IEEE80211_SKB_CB(skb);
3606
3607 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3608 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3609 info->band = band;
3610
3611 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3612 skb->priority = 7;
3613 if (qos)
3614 nullfunc->qos_ctrl = cpu_to_le16(7);
3615
3616 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3617 if (ret) {
3618 kfree_skb(skb);
3619 goto unlock;
3620 }
3621
3622 local_bh_disable();
3623 ieee80211_xmit(sdata, sta, skb, 0);
3624 local_bh_enable();
3625
3626 ret = 0;
3627unlock:
3628 rcu_read_unlock();
3629 mutex_unlock(&local->mtx);
3630
3631 return ret;
3632}
3633
3634static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3635 struct wireless_dev *wdev,
3636 struct cfg80211_chan_def *chandef)
3637{
3638 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3639 struct ieee80211_local *local = wiphy_priv(wiphy);
3640 struct ieee80211_chanctx_conf *chanctx_conf;
3641 int ret = -ENODATA;
3642
3643 rcu_read_lock();
3644 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3645 if (chanctx_conf) {
3646 *chandef = sdata->vif.bss_conf.chandef;
3647 ret = 0;
3648 } else if (local->open_count > 0 &&
3649 local->open_count == local->monitors &&
3650 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3651 if (local->use_chanctx)
3652 *chandef = local->monitor_chandef;
3653 else
3654 *chandef = local->_oper_chandef;
3655 ret = 0;
3656 }
3657 rcu_read_unlock();
3658
3659 return ret;
3660}
3661
3662#ifdef CONFIG_PM
3663static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3664{
3665 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3666}
3667#endif
3668
3669static int ieee80211_set_qos_map(struct wiphy *wiphy,
3670 struct net_device *dev,
3671 struct cfg80211_qos_map *qos_map)
3672{
3673 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3674 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3675
3676 if (qos_map) {
3677 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3678 if (!new_qos_map)
3679 return -ENOMEM;
3680 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3681 } else {
3682 /* A NULL qos_map was passed to disable QoS mapping */
3683 new_qos_map = NULL;
3684 }
3685
3686 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3687 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3688 if (old_qos_map)
3689 kfree_rcu(old_qos_map, rcu_head);
3690
3691 return 0;
3692}
3693
3694static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3695 struct net_device *dev,
3696 struct cfg80211_chan_def *chandef)
3697{
3698 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3699 int ret;
3700 u32 changed = 0;
3701
3702 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3703 if (ret == 0)
3704 ieee80211_bss_info_change_notify(sdata, changed);
3705
3706 return ret;
3707}
3708
3709static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3710 u8 tsid, const u8 *peer, u8 up,
3711 u16 admitted_time)
3712{
3713 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3714 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3715 int ac = ieee802_1d_to_ac[up];
3716
3717 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3718 return -EOPNOTSUPP;
3719
3720 if (!(sdata->wmm_acm & BIT(up)))
3721 return -EINVAL;
3722
3723 if (ifmgd->tx_tspec[ac].admitted_time)
3724 return -EBUSY;
3725
3726 if (admitted_time) {
3727 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3728 ifmgd->tx_tspec[ac].tsid = tsid;
3729 ifmgd->tx_tspec[ac].up = up;
3730 }
3731
3732 return 0;
3733}
3734
3735static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3736 u8 tsid, const u8 *peer)
3737{
3738 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3739 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3740 struct ieee80211_local *local = wiphy_priv(wiphy);
3741 int ac;
3742
3743 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3744 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3745
3746 /* skip unused entries */
3747 if (!tx_tspec->admitted_time)
3748 continue;
3749
3750 if (tx_tspec->tsid != tsid)
3751 continue;
3752
3753 /* due to this new packets will be reassigned to non-ACM ACs */
3754 tx_tspec->up = -1;
3755
3756 /* Make sure that all packets have been sent to avoid to
3757 * restore the QoS params on packets that are still on the
3758 * queues.
3759 */
3760 synchronize_net();
3761 ieee80211_flush_queues(local, sdata, false);
3762
3763 /* restore the normal QoS parameters
3764 * (unconditionally to avoid races)
3765 */
3766 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3767 tx_tspec->downgraded = false;
3768 ieee80211_sta_handle_tspec_ac_params(sdata);
3769
3770 /* finally clear all the data */
3771 memset(tx_tspec, 0, sizeof(*tx_tspec));
3772
3773 return 0;
3774 }
3775
3776 return -ENOENT;
3777}
3778
3779void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3780 u8 inst_id,
3781 enum nl80211_nan_func_term_reason reason,
3782 gfp_t gfp)
3783{
3784 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3785 struct cfg80211_nan_func *func;
3786 u64 cookie;
3787
3788 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3789 return;
3790
3791 spin_lock_bh(&sdata->u.nan.func_lock);
3792
3793 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3794 if (WARN_ON(!func)) {
3795 spin_unlock_bh(&sdata->u.nan.func_lock);
3796 return;
3797 }
3798
3799 cookie = func->cookie;
3800 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3801
3802 spin_unlock_bh(&sdata->u.nan.func_lock);
3803
3804 cfg80211_free_nan_func(func);
3805
3806 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3807 reason, cookie, gfp);
3808}
3809EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3810
3811void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3812 struct cfg80211_nan_match_params *match,
3813 gfp_t gfp)
3814{
3815 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3816 struct cfg80211_nan_func *func;
3817
3818 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3819 return;
3820
3821 spin_lock_bh(&sdata->u.nan.func_lock);
3822
3823 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3824 if (WARN_ON(!func)) {
3825 spin_unlock_bh(&sdata->u.nan.func_lock);
3826 return;
3827 }
3828 match->cookie = func->cookie;
3829
3830 spin_unlock_bh(&sdata->u.nan.func_lock);
3831
3832 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3833}
3834EXPORT_SYMBOL(ieee80211_nan_func_match);
3835
3836static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3837 struct net_device *dev,
3838 const bool enabled)
3839{
3840 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3841
3842 sdata->u.ap.multicast_to_unicast = enabled;
3843
3844 return 0;
3845}
3846
3847void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3848 struct txq_info *txqi)
3849{
3850 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3851 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3852 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3853 }
3854
3855 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3856 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3857 txqstats->backlog_packets = txqi->tin.backlog_packets;
3858 }
3859
3860 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3861 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3862 txqstats->flows = txqi->tin.flows;
3863 }
3864
3865 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3866 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3867 txqstats->drops = txqi->cstats.drop_count;
3868 }
3869
3870 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3871 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3872 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3873 }
3874
3875 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3876 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3877 txqstats->overlimit = txqi->tin.overlimit;
3878 }
3879
3880 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3881 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3882 txqstats->collisions = txqi->tin.collisions;
3883 }
3884
3885 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3886 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3887 txqstats->tx_bytes = txqi->tin.tx_bytes;
3888 }
3889
3890 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3891 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3892 txqstats->tx_packets = txqi->tin.tx_packets;
3893 }
3894}
3895
3896static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3897 struct wireless_dev *wdev,
3898 struct cfg80211_txq_stats *txqstats)
3899{
3900 struct ieee80211_local *local = wiphy_priv(wiphy);
3901 struct ieee80211_sub_if_data *sdata;
3902 int ret = 0;
3903
3904 if (!local->ops->wake_tx_queue)
3905 return 1;
3906
3907 spin_lock_bh(&local->fq.lock);
3908 rcu_read_lock();
3909
3910 if (wdev) {
3911 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3912 if (!sdata->vif.txq) {
3913 ret = 1;
3914 goto out;
3915 }
3916 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3917 } else {
3918 /* phy stats */
3919 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3920 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3921 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3922 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3923 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3924 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3925 txqstats->backlog_packets = local->fq.backlog;
3926 txqstats->backlog_bytes = local->fq.memory_usage;
3927 txqstats->overlimit = local->fq.overlimit;
3928 txqstats->overmemory = local->fq.overmemory;
3929 txqstats->collisions = local->fq.collisions;
3930 txqstats->max_flows = local->fq.flows_cnt;
3931 }
3932
3933out:
3934 rcu_read_unlock();
3935 spin_unlock_bh(&local->fq.lock);
3936
3937 return ret;
3938}
3939
David Brazdil0f672f62019-12-10 10:32:29 +00003940static int
3941ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3942 struct net_device *dev,
3943 struct cfg80211_ftm_responder_stats *ftm_stats)
3944{
3945 struct ieee80211_local *local = wiphy_priv(wiphy);
3946 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3947
3948 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3949}
3950
3951static int
3952ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3953 struct cfg80211_pmsr_request *request)
3954{
3955 struct ieee80211_local *local = wiphy_priv(wiphy);
3956 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3957
3958 return drv_start_pmsr(local, sdata, request);
3959}
3960
3961static void
3962ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3963 struct cfg80211_pmsr_request *request)
3964{
3965 struct ieee80211_local *local = wiphy_priv(wiphy);
3966 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3967
3968 return drv_abort_pmsr(local, sdata, request);
3969}
3970
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00003971const struct cfg80211_ops mac80211_config_ops = {
3972 .add_virtual_intf = ieee80211_add_iface,
3973 .del_virtual_intf = ieee80211_del_iface,
3974 .change_virtual_intf = ieee80211_change_iface,
3975 .start_p2p_device = ieee80211_start_p2p_device,
3976 .stop_p2p_device = ieee80211_stop_p2p_device,
3977 .add_key = ieee80211_add_key,
3978 .del_key = ieee80211_del_key,
3979 .get_key = ieee80211_get_key,
3980 .set_default_key = ieee80211_config_default_key,
3981 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3982 .start_ap = ieee80211_start_ap,
3983 .change_beacon = ieee80211_change_beacon,
3984 .stop_ap = ieee80211_stop_ap,
3985 .add_station = ieee80211_add_station,
3986 .del_station = ieee80211_del_station,
3987 .change_station = ieee80211_change_station,
3988 .get_station = ieee80211_get_station,
3989 .dump_station = ieee80211_dump_station,
3990 .dump_survey = ieee80211_dump_survey,
3991#ifdef CONFIG_MAC80211_MESH
3992 .add_mpath = ieee80211_add_mpath,
3993 .del_mpath = ieee80211_del_mpath,
3994 .change_mpath = ieee80211_change_mpath,
3995 .get_mpath = ieee80211_get_mpath,
3996 .dump_mpath = ieee80211_dump_mpath,
3997 .get_mpp = ieee80211_get_mpp,
3998 .dump_mpp = ieee80211_dump_mpp,
3999 .update_mesh_config = ieee80211_update_mesh_config,
4000 .get_mesh_config = ieee80211_get_mesh_config,
4001 .join_mesh = ieee80211_join_mesh,
4002 .leave_mesh = ieee80211_leave_mesh,
4003#endif
4004 .join_ocb = ieee80211_join_ocb,
4005 .leave_ocb = ieee80211_leave_ocb,
4006 .change_bss = ieee80211_change_bss,
4007 .set_txq_params = ieee80211_set_txq_params,
4008 .set_monitor_channel = ieee80211_set_monitor_channel,
4009 .suspend = ieee80211_suspend,
4010 .resume = ieee80211_resume,
4011 .scan = ieee80211_scan,
4012 .abort_scan = ieee80211_abort_scan,
4013 .sched_scan_start = ieee80211_sched_scan_start,
4014 .sched_scan_stop = ieee80211_sched_scan_stop,
4015 .auth = ieee80211_auth,
4016 .assoc = ieee80211_assoc,
4017 .deauth = ieee80211_deauth,
4018 .disassoc = ieee80211_disassoc,
4019 .join_ibss = ieee80211_join_ibss,
4020 .leave_ibss = ieee80211_leave_ibss,
4021 .set_mcast_rate = ieee80211_set_mcast_rate,
4022 .set_wiphy_params = ieee80211_set_wiphy_params,
4023 .set_tx_power = ieee80211_set_tx_power,
4024 .get_tx_power = ieee80211_get_tx_power,
4025 .set_wds_peer = ieee80211_set_wds_peer,
4026 .rfkill_poll = ieee80211_rfkill_poll,
4027 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4028 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4029 .set_power_mgmt = ieee80211_set_power_mgmt,
4030 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4031 .remain_on_channel = ieee80211_remain_on_channel,
4032 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4033 .mgmt_tx = ieee80211_mgmt_tx,
4034 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4035 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4036 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4037 .mgmt_frame_register = ieee80211_mgmt_frame_register,
4038 .set_antenna = ieee80211_set_antenna,
4039 .get_antenna = ieee80211_get_antenna,
4040 .set_rekey_data = ieee80211_set_rekey_data,
4041 .tdls_oper = ieee80211_tdls_oper,
4042 .tdls_mgmt = ieee80211_tdls_mgmt,
4043 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4044 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4045 .probe_client = ieee80211_probe_client,
4046 .set_noack_map = ieee80211_set_noack_map,
4047#ifdef CONFIG_PM
4048 .set_wakeup = ieee80211_set_wakeup,
4049#endif
4050 .get_channel = ieee80211_cfg_get_channel,
4051 .start_radar_detection = ieee80211_start_radar_detection,
Olivier Deprez0e641232021-09-23 10:07:05 +02004052 .end_cac = ieee80211_end_cac,
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00004053 .channel_switch = ieee80211_channel_switch,
4054 .set_qos_map = ieee80211_set_qos_map,
4055 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4056 .add_tx_ts = ieee80211_add_tx_ts,
4057 .del_tx_ts = ieee80211_del_tx_ts,
4058 .start_nan = ieee80211_start_nan,
4059 .stop_nan = ieee80211_stop_nan,
4060 .nan_change_conf = ieee80211_nan_change_conf,
4061 .add_nan_func = ieee80211_add_nan_func,
4062 .del_nan_func = ieee80211_del_nan_func,
4063 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4064 .tx_control_port = ieee80211_tx_control_port,
4065 .get_txq_stats = ieee80211_get_txq_stats,
David Brazdil0f672f62019-12-10 10:32:29 +00004066 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4067 .start_pmsr = ieee80211_start_pmsr,
4068 .abort_pmsr = ieee80211_abort_pmsr,
4069 .probe_mesh_link = ieee80211_probe_mesh_link,
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00004070};