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mac80211: Restore vif beacon interval if start ap fails
[thirdparty/kernel/stable.git] / net / mac80211 / cfg.c
1 /*
2 * mac80211 configuration hooks for cfg80211
3 *
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2015 Intel Mobile Communications GmbH
6 * Copyright (C) 2015-2017 Intel Deutschland GmbH
7 *
8 * This file is GPLv2 as found in COPYING.
9 */
10
11 #include <linux/ieee80211.h>
12 #include <linux/nl80211.h>
13 #include <linux/rtnetlink.h>
14 #include <linux/slab.h>
15 #include <net/net_namespace.h>
16 #include <linux/rcupdate.h>
17 #include <linux/if_ether.h>
18 #include <net/cfg80211.h>
19 #include "ieee80211_i.h"
20 #include "driver-ops.h"
21 #include "rate.h"
22 #include "mesh.h"
23 #include "wme.h"
24
25 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
26 struct vif_params *params)
27 {
28 bool mu_mimo_groups = false;
29 bool mu_mimo_follow = false;
30
31 if (params->vht_mumimo_groups) {
32 u64 membership;
33
34 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
35
36 memcpy(sdata->vif.bss_conf.mu_group.membership,
37 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
38 memcpy(sdata->vif.bss_conf.mu_group.position,
39 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
40 WLAN_USER_POSITION_LEN);
41 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
42 /* don't care about endianness - just check for 0 */
43 memcpy(&membership, params->vht_mumimo_groups,
44 WLAN_MEMBERSHIP_LEN);
45 mu_mimo_groups = membership != 0;
46 }
47
48 if (params->vht_mumimo_follow_addr) {
49 mu_mimo_follow =
50 is_valid_ether_addr(params->vht_mumimo_follow_addr);
51 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
52 params->vht_mumimo_follow_addr);
53 }
54
55 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
56 }
57
58 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
59 struct vif_params *params)
60 {
61 struct ieee80211_local *local = sdata->local;
62 struct ieee80211_sub_if_data *monitor_sdata;
63
64 /* check flags first */
65 if (params->flags && ieee80211_sdata_running(sdata)) {
66 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
67
68 /*
69 * Prohibit MONITOR_FLAG_COOK_FRAMES and
70 * MONITOR_FLAG_ACTIVE to be changed while the
71 * interface is up.
72 * Else we would need to add a lot of cruft
73 * to update everything:
74 * cooked_mntrs, monitor and all fif_* counters
75 * reconfigure hardware
76 */
77 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
78 return -EBUSY;
79 }
80
81 /* also validate MU-MIMO change */
82 monitor_sdata = rtnl_dereference(local->monitor_sdata);
83
84 if (!monitor_sdata &&
85 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
86 return -EOPNOTSUPP;
87
88 /* apply all changes now - no failures allowed */
89
90 if (monitor_sdata)
91 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
92
93 if (params->flags) {
94 if (ieee80211_sdata_running(sdata)) {
95 ieee80211_adjust_monitor_flags(sdata, -1);
96 sdata->u.mntr.flags = params->flags;
97 ieee80211_adjust_monitor_flags(sdata, 1);
98
99 ieee80211_configure_filter(local);
100 } else {
101 /*
102 * Because the interface is down, ieee80211_do_stop
103 * and ieee80211_do_open take care of "everything"
104 * mentioned in the comment above.
105 */
106 sdata->u.mntr.flags = params->flags;
107 }
108 }
109
110 return 0;
111 }
112
113 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
114 const char *name,
115 unsigned char name_assign_type,
116 enum nl80211_iftype type,
117 struct vif_params *params)
118 {
119 struct ieee80211_local *local = wiphy_priv(wiphy);
120 struct wireless_dev *wdev;
121 struct ieee80211_sub_if_data *sdata;
122 int err;
123
124 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
125 if (err)
126 return ERR_PTR(err);
127
128 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
129
130 if (type == NL80211_IFTYPE_MONITOR) {
131 err = ieee80211_set_mon_options(sdata, params);
132 if (err) {
133 ieee80211_if_remove(sdata);
134 return NULL;
135 }
136 }
137
138 return wdev;
139 }
140
141 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
142 {
143 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
144
145 return 0;
146 }
147
148 static int ieee80211_change_iface(struct wiphy *wiphy,
149 struct net_device *dev,
150 enum nl80211_iftype type,
151 struct vif_params *params)
152 {
153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
154 int ret;
155
156 ret = ieee80211_if_change_type(sdata, type);
157 if (ret)
158 return ret;
159
160 if (type == NL80211_IFTYPE_AP_VLAN &&
161 params && params->use_4addr == 0) {
162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION &&
165 params && params->use_4addr >= 0) {
166 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
178 static 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
193 static 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
199 static 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
225 static 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
234 static 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
264 static 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
302 static struct cfg80211_nan_func *
303 ieee80211_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
319 static 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
342 static 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
355 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
356 u8 key_idx, bool pairwise, const u8 *mac_addr,
357 struct key_params *params)
358 {
359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
360 struct ieee80211_local *local = sdata->local;
361 struct sta_info *sta = NULL;
362 const struct ieee80211_cipher_scheme *cs = NULL;
363 struct ieee80211_key *key;
364 int err;
365
366 if (!ieee80211_sdata_running(sdata))
367 return -ENETDOWN;
368
369 /* reject WEP and TKIP keys if WEP failed to initialize */
370 switch (params->cipher) {
371 case WLAN_CIPHER_SUITE_WEP40:
372 case WLAN_CIPHER_SUITE_TKIP:
373 case WLAN_CIPHER_SUITE_WEP104:
374 if (IS_ERR(local->wep_tx_tfm))
375 return -EINVAL;
376 break;
377 case WLAN_CIPHER_SUITE_CCMP:
378 case WLAN_CIPHER_SUITE_CCMP_256:
379 case WLAN_CIPHER_SUITE_AES_CMAC:
380 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
381 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
382 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
383 case WLAN_CIPHER_SUITE_GCMP:
384 case WLAN_CIPHER_SUITE_GCMP_256:
385 break;
386 default:
387 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
388 break;
389 }
390
391 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
392 params->key, params->seq_len, params->seq,
393 cs);
394 if (IS_ERR(key))
395 return PTR_ERR(key);
396
397 if (pairwise)
398 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
399
400 mutex_lock(&local->sta_mtx);
401
402 if (mac_addr) {
403 sta = sta_info_get_bss(sdata, mac_addr);
404 /*
405 * The ASSOC test makes sure the driver is ready to
406 * receive the key. When wpa_supplicant has roamed
407 * using FT, it attempts to set the key before
408 * association has completed, this rejects that attempt
409 * so it will set the key again after association.
410 *
411 * TODO: accept the key if we have a station entry and
412 * add it to the device after the station.
413 */
414 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
415 ieee80211_key_free_unused(key);
416 err = -ENOENT;
417 goto out_unlock;
418 }
419 }
420
421 switch (sdata->vif.type) {
422 case NL80211_IFTYPE_STATION:
423 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
424 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
425 break;
426 case NL80211_IFTYPE_AP:
427 case NL80211_IFTYPE_AP_VLAN:
428 /* Keys without a station are used for TX only */
429 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
430 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
431 break;
432 case NL80211_IFTYPE_ADHOC:
433 /* no MFP (yet) */
434 break;
435 case NL80211_IFTYPE_MESH_POINT:
436 #ifdef CONFIG_MAC80211_MESH
437 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
438 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
439 break;
440 #endif
441 case NL80211_IFTYPE_WDS:
442 case NL80211_IFTYPE_MONITOR:
443 case NL80211_IFTYPE_P2P_DEVICE:
444 case NL80211_IFTYPE_NAN:
445 case NL80211_IFTYPE_UNSPECIFIED:
446 case NUM_NL80211_IFTYPES:
447 case NL80211_IFTYPE_P2P_CLIENT:
448 case NL80211_IFTYPE_P2P_GO:
449 case NL80211_IFTYPE_OCB:
450 /* shouldn't happen */
451 WARN_ON_ONCE(1);
452 break;
453 }
454
455 if (sta)
456 sta->cipher_scheme = cs;
457
458 err = ieee80211_key_link(key, sdata, sta);
459
460 out_unlock:
461 mutex_unlock(&local->sta_mtx);
462
463 return err;
464 }
465
466 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
467 u8 key_idx, bool pairwise, const u8 *mac_addr)
468 {
469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
470 struct ieee80211_local *local = sdata->local;
471 struct sta_info *sta;
472 struct ieee80211_key *key = NULL;
473 int ret;
474
475 mutex_lock(&local->sta_mtx);
476 mutex_lock(&local->key_mtx);
477
478 if (mac_addr) {
479 ret = -ENOENT;
480
481 sta = sta_info_get_bss(sdata, mac_addr);
482 if (!sta)
483 goto out_unlock;
484
485 if (pairwise)
486 key = key_mtx_dereference(local, sta->ptk[key_idx]);
487 else
488 key = key_mtx_dereference(local, sta->gtk[key_idx]);
489 } else
490 key = key_mtx_dereference(local, sdata->keys[key_idx]);
491
492 if (!key) {
493 ret = -ENOENT;
494 goto out_unlock;
495 }
496
497 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
498
499 ret = 0;
500 out_unlock:
501 mutex_unlock(&local->key_mtx);
502 mutex_unlock(&local->sta_mtx);
503
504 return ret;
505 }
506
507 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
508 u8 key_idx, bool pairwise, const u8 *mac_addr,
509 void *cookie,
510 void (*callback)(void *cookie,
511 struct key_params *params))
512 {
513 struct ieee80211_sub_if_data *sdata;
514 struct sta_info *sta = NULL;
515 u8 seq[6] = {0};
516 struct key_params params;
517 struct ieee80211_key *key = NULL;
518 u64 pn64;
519 u32 iv32;
520 u16 iv16;
521 int err = -ENOENT;
522 struct ieee80211_key_seq kseq = {};
523
524 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
525
526 rcu_read_lock();
527
528 if (mac_addr) {
529 sta = sta_info_get_bss(sdata, mac_addr);
530 if (!sta)
531 goto out;
532
533 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
534 key = rcu_dereference(sta->ptk[key_idx]);
535 else if (!pairwise &&
536 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
537 key = rcu_dereference(sta->gtk[key_idx]);
538 } else
539 key = rcu_dereference(sdata->keys[key_idx]);
540
541 if (!key)
542 goto out;
543
544 memset(&params, 0, sizeof(params));
545
546 params.cipher = key->conf.cipher;
547
548 switch (key->conf.cipher) {
549 case WLAN_CIPHER_SUITE_TKIP:
550 pn64 = atomic64_read(&key->conf.tx_pn);
551 iv32 = TKIP_PN_TO_IV32(pn64);
552 iv16 = TKIP_PN_TO_IV16(pn64);
553
554 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
555 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
556 drv_get_key_seq(sdata->local, key, &kseq);
557 iv32 = kseq.tkip.iv32;
558 iv16 = kseq.tkip.iv16;
559 }
560
561 seq[0] = iv16 & 0xff;
562 seq[1] = (iv16 >> 8) & 0xff;
563 seq[2] = iv32 & 0xff;
564 seq[3] = (iv32 >> 8) & 0xff;
565 seq[4] = (iv32 >> 16) & 0xff;
566 seq[5] = (iv32 >> 24) & 0xff;
567 params.seq = seq;
568 params.seq_len = 6;
569 break;
570 case WLAN_CIPHER_SUITE_CCMP:
571 case WLAN_CIPHER_SUITE_CCMP_256:
572 case WLAN_CIPHER_SUITE_AES_CMAC:
573 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
574 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
575 offsetof(typeof(kseq), aes_cmac));
576 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
577 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
578 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
579 offsetof(typeof(kseq), aes_gmac));
580 case WLAN_CIPHER_SUITE_GCMP:
581 case WLAN_CIPHER_SUITE_GCMP_256:
582 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
583 offsetof(typeof(kseq), gcmp));
584
585 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
586 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
587 drv_get_key_seq(sdata->local, key, &kseq);
588 memcpy(seq, kseq.ccmp.pn, 6);
589 } else {
590 pn64 = atomic64_read(&key->conf.tx_pn);
591 seq[0] = pn64;
592 seq[1] = pn64 >> 8;
593 seq[2] = pn64 >> 16;
594 seq[3] = pn64 >> 24;
595 seq[4] = pn64 >> 32;
596 seq[5] = pn64 >> 40;
597 }
598 params.seq = seq;
599 params.seq_len = 6;
600 break;
601 default:
602 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
603 break;
604 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
605 break;
606 drv_get_key_seq(sdata->local, key, &kseq);
607 params.seq = kseq.hw.seq;
608 params.seq_len = kseq.hw.seq_len;
609 break;
610 }
611
612 params.key = key->conf.key;
613 params.key_len = key->conf.keylen;
614
615 callback(cookie, &params);
616 err = 0;
617
618 out:
619 rcu_read_unlock();
620 return err;
621 }
622
623 static int ieee80211_config_default_key(struct wiphy *wiphy,
624 struct net_device *dev,
625 u8 key_idx, bool uni,
626 bool multi)
627 {
628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
629
630 ieee80211_set_default_key(sdata, key_idx, uni, multi);
631
632 return 0;
633 }
634
635 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
636 struct net_device *dev,
637 u8 key_idx)
638 {
639 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
640
641 ieee80211_set_default_mgmt_key(sdata, key_idx);
642
643 return 0;
644 }
645
646 void sta_set_rate_info_tx(struct sta_info *sta,
647 const struct ieee80211_tx_rate *rate,
648 struct rate_info *rinfo)
649 {
650 rinfo->flags = 0;
651 if (rate->flags & IEEE80211_TX_RC_MCS) {
652 rinfo->flags |= RATE_INFO_FLAGS_MCS;
653 rinfo->mcs = rate->idx;
654 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
655 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
656 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
657 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
658 } else {
659 struct ieee80211_supported_band *sband;
660 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
661 u16 brate;
662
663 sband = ieee80211_get_sband(sta->sdata);
664 if (sband) {
665 brate = sband->bitrates[rate->idx].bitrate;
666 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
667 }
668 }
669 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
670 rinfo->bw = RATE_INFO_BW_40;
671 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
672 rinfo->bw = RATE_INFO_BW_80;
673 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
674 rinfo->bw = RATE_INFO_BW_160;
675 else
676 rinfo->bw = RATE_INFO_BW_20;
677 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
678 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
679 }
680
681 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
682 int idx, u8 *mac, struct station_info *sinfo)
683 {
684 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
685 struct ieee80211_local *local = sdata->local;
686 struct sta_info *sta;
687 int ret = -ENOENT;
688
689 mutex_lock(&local->sta_mtx);
690
691 sta = sta_info_get_by_idx(sdata, idx);
692 if (sta) {
693 ret = 0;
694 memcpy(mac, sta->sta.addr, ETH_ALEN);
695 sta_set_sinfo(sta, sinfo);
696 }
697
698 mutex_unlock(&local->sta_mtx);
699
700 return ret;
701 }
702
703 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
704 int idx, struct survey_info *survey)
705 {
706 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
707
708 return drv_get_survey(local, idx, survey);
709 }
710
711 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
712 const u8 *mac, struct station_info *sinfo)
713 {
714 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
715 struct ieee80211_local *local = sdata->local;
716 struct sta_info *sta;
717 int ret = -ENOENT;
718
719 mutex_lock(&local->sta_mtx);
720
721 sta = sta_info_get_bss(sdata, mac);
722 if (sta) {
723 ret = 0;
724 sta_set_sinfo(sta, sinfo);
725 }
726
727 mutex_unlock(&local->sta_mtx);
728
729 return ret;
730 }
731
732 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
733 struct cfg80211_chan_def *chandef)
734 {
735 struct ieee80211_local *local = wiphy_priv(wiphy);
736 struct ieee80211_sub_if_data *sdata;
737 int ret = 0;
738
739 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
740 return 0;
741
742 mutex_lock(&local->mtx);
743 if (local->use_chanctx) {
744 sdata = rtnl_dereference(local->monitor_sdata);
745 if (sdata) {
746 ieee80211_vif_release_channel(sdata);
747 ret = ieee80211_vif_use_channel(sdata, chandef,
748 IEEE80211_CHANCTX_EXCLUSIVE);
749 }
750 } else if (local->open_count == local->monitors) {
751 local->_oper_chandef = *chandef;
752 ieee80211_hw_config(local, 0);
753 }
754
755 if (ret == 0)
756 local->monitor_chandef = *chandef;
757 mutex_unlock(&local->mtx);
758
759 return ret;
760 }
761
762 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
763 const u8 *resp, size_t resp_len,
764 const struct ieee80211_csa_settings *csa)
765 {
766 struct probe_resp *new, *old;
767
768 if (!resp || !resp_len)
769 return 1;
770
771 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
772
773 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
774 if (!new)
775 return -ENOMEM;
776
777 new->len = resp_len;
778 memcpy(new->data, resp, resp_len);
779
780 if (csa)
781 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
782 csa->n_counter_offsets_presp *
783 sizeof(new->csa_counter_offsets[0]));
784
785 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
786 if (old)
787 kfree_rcu(old, rcu_head);
788
789 return 0;
790 }
791
792 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
793 struct cfg80211_beacon_data *params,
794 const struct ieee80211_csa_settings *csa)
795 {
796 struct beacon_data *new, *old;
797 int new_head_len, new_tail_len;
798 int size, err;
799 u32 changed = BSS_CHANGED_BEACON;
800
801 old = sdata_dereference(sdata->u.ap.beacon, sdata);
802
803
804 /* Need to have a beacon head if we don't have one yet */
805 if (!params->head && !old)
806 return -EINVAL;
807
808 /* new or old head? */
809 if (params->head)
810 new_head_len = params->head_len;
811 else
812 new_head_len = old->head_len;
813
814 /* new or old tail? */
815 if (params->tail || !old)
816 /* params->tail_len will be zero for !params->tail */
817 new_tail_len = params->tail_len;
818 else
819 new_tail_len = old->tail_len;
820
821 size = sizeof(*new) + new_head_len + new_tail_len;
822
823 new = kzalloc(size, GFP_KERNEL);
824 if (!new)
825 return -ENOMEM;
826
827 /* start filling the new info now */
828
829 /*
830 * pointers go into the block we allocated,
831 * memory is | beacon_data | head | tail |
832 */
833 new->head = ((u8 *) new) + sizeof(*new);
834 new->tail = new->head + new_head_len;
835 new->head_len = new_head_len;
836 new->tail_len = new_tail_len;
837
838 if (csa) {
839 new->csa_current_counter = csa->count;
840 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
841 csa->n_counter_offsets_beacon *
842 sizeof(new->csa_counter_offsets[0]));
843 }
844
845 /* copy in head */
846 if (params->head)
847 memcpy(new->head, params->head, new_head_len);
848 else
849 memcpy(new->head, old->head, new_head_len);
850
851 /* copy in optional tail */
852 if (params->tail)
853 memcpy(new->tail, params->tail, new_tail_len);
854 else
855 if (old)
856 memcpy(new->tail, old->tail, new_tail_len);
857
858 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
859 params->probe_resp_len, csa);
860 if (err < 0)
861 return err;
862 if (err == 0)
863 changed |= BSS_CHANGED_AP_PROBE_RESP;
864
865 rcu_assign_pointer(sdata->u.ap.beacon, new);
866
867 if (old)
868 kfree_rcu(old, rcu_head);
869
870 return changed;
871 }
872
873 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
874 struct cfg80211_ap_settings *params)
875 {
876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
877 struct ieee80211_local *local = sdata->local;
878 struct beacon_data *old;
879 struct ieee80211_sub_if_data *vlan;
880 u32 changed = BSS_CHANGED_BEACON_INT |
881 BSS_CHANGED_BEACON_ENABLED |
882 BSS_CHANGED_BEACON |
883 BSS_CHANGED_SSID |
884 BSS_CHANGED_P2P_PS |
885 BSS_CHANGED_TXPOWER;
886 int err;
887 int prev_beacon_int;
888
889 old = sdata_dereference(sdata->u.ap.beacon, sdata);
890 if (old)
891 return -EALREADY;
892
893 switch (params->smps_mode) {
894 case NL80211_SMPS_OFF:
895 sdata->smps_mode = IEEE80211_SMPS_OFF;
896 break;
897 case NL80211_SMPS_STATIC:
898 sdata->smps_mode = IEEE80211_SMPS_STATIC;
899 break;
900 case NL80211_SMPS_DYNAMIC:
901 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
902 break;
903 default:
904 return -EINVAL;
905 }
906 sdata->u.ap.req_smps = sdata->smps_mode;
907
908 sdata->needed_rx_chains = sdata->local->rx_chains;
909
910 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
911 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
912
913 mutex_lock(&local->mtx);
914 err = ieee80211_vif_use_channel(sdata, &params->chandef,
915 IEEE80211_CHANCTX_SHARED);
916 if (!err)
917 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
918 mutex_unlock(&local->mtx);
919 if (err) {
920 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
921 return err;
922 }
923
924 /*
925 * Apply control port protocol, this allows us to
926 * not encrypt dynamic WEP control frames.
927 */
928 sdata->control_port_protocol = params->crypto.control_port_ethertype;
929 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
930 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
931 &params->crypto,
932 sdata->vif.type);
933
934 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
935 vlan->control_port_protocol =
936 params->crypto.control_port_ethertype;
937 vlan->control_port_no_encrypt =
938 params->crypto.control_port_no_encrypt;
939 vlan->encrypt_headroom =
940 ieee80211_cs_headroom(sdata->local,
941 &params->crypto,
942 vlan->vif.type);
943 }
944
945 sdata->vif.bss_conf.dtim_period = params->dtim_period;
946 sdata->vif.bss_conf.enable_beacon = true;
947 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
948
949 sdata->vif.bss_conf.ssid_len = params->ssid_len;
950 if (params->ssid_len)
951 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
952 params->ssid_len);
953 sdata->vif.bss_conf.hidden_ssid =
954 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
955
956 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
957 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
958 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
959 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
960 if (params->p2p_opp_ps)
961 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
962 IEEE80211_P2P_OPPPS_ENABLE_BIT;
963
964 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
965 if (err < 0) {
966 ieee80211_vif_release_channel(sdata);
967 return err;
968 }
969 changed |= err;
970
971 err = drv_start_ap(sdata->local, sdata);
972 if (err) {
973 old = sdata_dereference(sdata->u.ap.beacon, sdata);
974
975 if (old)
976 kfree_rcu(old, rcu_head);
977 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
978 ieee80211_vif_release_channel(sdata);
979 return err;
980 }
981
982 ieee80211_recalc_dtim(local, sdata);
983 ieee80211_bss_info_change_notify(sdata, changed);
984
985 netif_carrier_on(dev);
986 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
987 netif_carrier_on(vlan->dev);
988
989 return 0;
990 }
991
992 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
993 struct cfg80211_beacon_data *params)
994 {
995 struct ieee80211_sub_if_data *sdata;
996 struct beacon_data *old;
997 int err;
998
999 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1000 sdata_assert_lock(sdata);
1001
1002 /* don't allow changing the beacon while CSA is in place - offset
1003 * of channel switch counter may change
1004 */
1005 if (sdata->vif.csa_active)
1006 return -EBUSY;
1007
1008 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1009 if (!old)
1010 return -ENOENT;
1011
1012 err = ieee80211_assign_beacon(sdata, params, NULL);
1013 if (err < 0)
1014 return err;
1015 ieee80211_bss_info_change_notify(sdata, err);
1016 return 0;
1017 }
1018
1019 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1020 {
1021 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1022 struct ieee80211_sub_if_data *vlan;
1023 struct ieee80211_local *local = sdata->local;
1024 struct beacon_data *old_beacon;
1025 struct probe_resp *old_probe_resp;
1026 struct cfg80211_chan_def chandef;
1027
1028 sdata_assert_lock(sdata);
1029
1030 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1031 if (!old_beacon)
1032 return -ENOENT;
1033 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1034
1035 /* abort any running channel switch */
1036 mutex_lock(&local->mtx);
1037 sdata->vif.csa_active = false;
1038 if (sdata->csa_block_tx) {
1039 ieee80211_wake_vif_queues(local, sdata,
1040 IEEE80211_QUEUE_STOP_REASON_CSA);
1041 sdata->csa_block_tx = false;
1042 }
1043
1044 mutex_unlock(&local->mtx);
1045
1046 kfree(sdata->u.ap.next_beacon);
1047 sdata->u.ap.next_beacon = NULL;
1048
1049 /* turn off carrier for this interface and dependent VLANs */
1050 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1051 netif_carrier_off(vlan->dev);
1052 netif_carrier_off(dev);
1053
1054 /* remove beacon and probe response */
1055 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1056 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1057 kfree_rcu(old_beacon, rcu_head);
1058 if (old_probe_resp)
1059 kfree_rcu(old_probe_resp, rcu_head);
1060 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1061
1062 __sta_info_flush(sdata, true);
1063 ieee80211_free_keys(sdata, true);
1064
1065 sdata->vif.bss_conf.enable_beacon = false;
1066 sdata->vif.bss_conf.ssid_len = 0;
1067 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1068 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1069
1070 if (sdata->wdev.cac_started) {
1071 chandef = sdata->vif.bss_conf.chandef;
1072 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1073 cfg80211_cac_event(sdata->dev, &chandef,
1074 NL80211_RADAR_CAC_ABORTED,
1075 GFP_KERNEL);
1076 }
1077
1078 drv_stop_ap(sdata->local, sdata);
1079
1080 /* free all potentially still buffered bcast frames */
1081 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1082 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1083
1084 mutex_lock(&local->mtx);
1085 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1086 ieee80211_vif_release_channel(sdata);
1087 mutex_unlock(&local->mtx);
1088
1089 return 0;
1090 }
1091
1092 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1093 struct iapp_layer2_update {
1094 u8 da[ETH_ALEN]; /* broadcast */
1095 u8 sa[ETH_ALEN]; /* STA addr */
1096 __be16 len; /* 6 */
1097 u8 dsap; /* 0 */
1098 u8 ssap; /* 0 */
1099 u8 control;
1100 u8 xid_info[3];
1101 } __packed;
1102
1103 static void ieee80211_send_layer2_update(struct sta_info *sta)
1104 {
1105 struct iapp_layer2_update *msg;
1106 struct sk_buff *skb;
1107
1108 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1109 * bridge devices */
1110
1111 skb = dev_alloc_skb(sizeof(*msg));
1112 if (!skb)
1113 return;
1114 msg = skb_put(skb, sizeof(*msg));
1115
1116 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1117 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1118
1119 eth_broadcast_addr(msg->da);
1120 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1121 msg->len = htons(6);
1122 msg->dsap = 0;
1123 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1124 msg->control = 0xaf; /* XID response lsb.1111F101.
1125 * F=0 (no poll command; unsolicited frame) */
1126 msg->xid_info[0] = 0x81; /* XID format identifier */
1127 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1128 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1129
1130 skb->dev = sta->sdata->dev;
1131 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1132 memset(skb->cb, 0, sizeof(skb->cb));
1133 netif_rx_ni(skb);
1134 }
1135
1136 static int sta_apply_auth_flags(struct ieee80211_local *local,
1137 struct sta_info *sta,
1138 u32 mask, u32 set)
1139 {
1140 int ret;
1141
1142 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1143 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1144 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1145 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1146 if (ret)
1147 return ret;
1148 }
1149
1150 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1151 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1152 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1153 /*
1154 * When peer becomes associated, init rate control as
1155 * well. Some drivers require rate control initialized
1156 * before drv_sta_state() is called.
1157 */
1158 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1159 rate_control_rate_init(sta);
1160
1161 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1162 if (ret)
1163 return ret;
1164 }
1165
1166 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1167 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1168 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1169 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1170 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1171 else
1172 ret = 0;
1173 if (ret)
1174 return ret;
1175 }
1176
1177 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1178 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1179 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1180 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1181 if (ret)
1182 return ret;
1183 }
1184
1185 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1186 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1187 test_sta_flag(sta, WLAN_STA_AUTH)) {
1188 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1189 if (ret)
1190 return ret;
1191 }
1192
1193 return 0;
1194 }
1195
1196 static void sta_apply_mesh_params(struct ieee80211_local *local,
1197 struct sta_info *sta,
1198 struct station_parameters *params)
1199 {
1200 #ifdef CONFIG_MAC80211_MESH
1201 struct ieee80211_sub_if_data *sdata = sta->sdata;
1202 u32 changed = 0;
1203
1204 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1205 switch (params->plink_state) {
1206 case NL80211_PLINK_ESTAB:
1207 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1208 changed = mesh_plink_inc_estab_count(sdata);
1209 sta->mesh->plink_state = params->plink_state;
1210 sta->mesh->aid = params->peer_aid;
1211
1212 ieee80211_mps_sta_status_update(sta);
1213 changed |= ieee80211_mps_set_sta_local_pm(sta,
1214 sdata->u.mesh.mshcfg.power_mode);
1215 break;
1216 case NL80211_PLINK_LISTEN:
1217 case NL80211_PLINK_BLOCKED:
1218 case NL80211_PLINK_OPN_SNT:
1219 case NL80211_PLINK_OPN_RCVD:
1220 case NL80211_PLINK_CNF_RCVD:
1221 case NL80211_PLINK_HOLDING:
1222 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1223 changed = mesh_plink_dec_estab_count(sdata);
1224 sta->mesh->plink_state = params->plink_state;
1225
1226 ieee80211_mps_sta_status_update(sta);
1227 changed |= ieee80211_mps_set_sta_local_pm(sta,
1228 NL80211_MESH_POWER_UNKNOWN);
1229 break;
1230 default:
1231 /* nothing */
1232 break;
1233 }
1234 }
1235
1236 switch (params->plink_action) {
1237 case NL80211_PLINK_ACTION_NO_ACTION:
1238 /* nothing */
1239 break;
1240 case NL80211_PLINK_ACTION_OPEN:
1241 changed |= mesh_plink_open(sta);
1242 break;
1243 case NL80211_PLINK_ACTION_BLOCK:
1244 changed |= mesh_plink_block(sta);
1245 break;
1246 }
1247
1248 if (params->local_pm)
1249 changed |= ieee80211_mps_set_sta_local_pm(sta,
1250 params->local_pm);
1251
1252 ieee80211_mbss_info_change_notify(sdata, changed);
1253 #endif
1254 }
1255
1256 static int sta_apply_parameters(struct ieee80211_local *local,
1257 struct sta_info *sta,
1258 struct station_parameters *params)
1259 {
1260 int ret = 0;
1261 struct ieee80211_supported_band *sband;
1262 struct ieee80211_sub_if_data *sdata = sta->sdata;
1263 u32 mask, set;
1264
1265 sband = ieee80211_get_sband(sdata);
1266 if (!sband)
1267 return -EINVAL;
1268
1269 mask = params->sta_flags_mask;
1270 set = params->sta_flags_set;
1271
1272 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1273 /*
1274 * In mesh mode, ASSOCIATED isn't part of the nl80211
1275 * API but must follow AUTHENTICATED for driver state.
1276 */
1277 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1278 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1279 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1280 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1281 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1282 /*
1283 * TDLS -- everything follows authorized, but
1284 * only becoming authorized is possible, not
1285 * going back
1286 */
1287 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1288 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1289 BIT(NL80211_STA_FLAG_ASSOCIATED);
1290 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1291 BIT(NL80211_STA_FLAG_ASSOCIATED);
1292 }
1293 }
1294
1295 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1296 local->hw.queues >= IEEE80211_NUM_ACS)
1297 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1298
1299 /* auth flags will be set later for TDLS,
1300 * and for unassociated stations that move to assocaited */
1301 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1302 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1303 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1304 ret = sta_apply_auth_flags(local, sta, mask, set);
1305 if (ret)
1306 return ret;
1307 }
1308
1309 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1310 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1311 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1312 else
1313 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1314 }
1315
1316 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1317 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1318 if (set & BIT(NL80211_STA_FLAG_MFP))
1319 set_sta_flag(sta, WLAN_STA_MFP);
1320 else
1321 clear_sta_flag(sta, WLAN_STA_MFP);
1322 }
1323
1324 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1325 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1326 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1327 else
1328 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1329 }
1330
1331 /* mark TDLS channel switch support, if the AP allows it */
1332 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1333 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1334 params->ext_capab_len >= 4 &&
1335 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1336 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1337
1338 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1339 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1340 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1341 params->ext_capab_len >= 8 &&
1342 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1343 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1344
1345 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1346 sta->sta.uapsd_queues = params->uapsd_queues;
1347 sta->sta.max_sp = params->max_sp;
1348 }
1349
1350 /* The sender might not have sent the last bit, consider it to be 0 */
1351 if (params->ext_capab_len >= 8) {
1352 u8 val = (params->ext_capab[7] &
1353 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1354
1355 /* we did get all the bits, take the MSB as well */
1356 if (params->ext_capab_len >= 9) {
1357 u8 val_msb = params->ext_capab[8] &
1358 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1359 val_msb <<= 1;
1360 val |= val_msb;
1361 }
1362
1363 switch (val) {
1364 case 1:
1365 sta->sta.max_amsdu_subframes = 32;
1366 break;
1367 case 2:
1368 sta->sta.max_amsdu_subframes = 16;
1369 break;
1370 case 3:
1371 sta->sta.max_amsdu_subframes = 8;
1372 break;
1373 default:
1374 sta->sta.max_amsdu_subframes = 0;
1375 }
1376 }
1377
1378 /*
1379 * cfg80211 validates this (1-2007) and allows setting the AID
1380 * only when creating a new station entry
1381 */
1382 if (params->aid)
1383 sta->sta.aid = params->aid;
1384
1385 /*
1386 * Some of the following updates would be racy if called on an
1387 * existing station, via ieee80211_change_station(). However,
1388 * all such changes are rejected by cfg80211 except for updates
1389 * changing the supported rates on an existing but not yet used
1390 * TDLS peer.
1391 */
1392
1393 if (params->listen_interval >= 0)
1394 sta->listen_interval = params->listen_interval;
1395
1396 if (params->supported_rates) {
1397 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1398 sband, params->supported_rates,
1399 params->supported_rates_len,
1400 &sta->sta.supp_rates[sband->band]);
1401 }
1402
1403 if (params->ht_capa)
1404 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1405 params->ht_capa, sta);
1406
1407 /* VHT can override some HT caps such as the A-MSDU max length */
1408 if (params->vht_capa)
1409 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1410 params->vht_capa, sta);
1411
1412 if (params->opmode_notif_used) {
1413 /* returned value is only needed for rc update, but the
1414 * rc isn't initialized here yet, so ignore it
1415 */
1416 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1417 sband->band);
1418 }
1419
1420 if (params->support_p2p_ps >= 0)
1421 sta->sta.support_p2p_ps = params->support_p2p_ps;
1422
1423 if (ieee80211_vif_is_mesh(&sdata->vif))
1424 sta_apply_mesh_params(local, sta, params);
1425
1426 /* set the STA state after all sta info from usermode has been set */
1427 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1428 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1429 ret = sta_apply_auth_flags(local, sta, mask, set);
1430 if (ret)
1431 return ret;
1432 }
1433
1434 return 0;
1435 }
1436
1437 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1438 const u8 *mac,
1439 struct station_parameters *params)
1440 {
1441 struct ieee80211_local *local = wiphy_priv(wiphy);
1442 struct sta_info *sta;
1443 struct ieee80211_sub_if_data *sdata;
1444 int err;
1445 int layer2_update;
1446
1447 if (params->vlan) {
1448 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1449
1450 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1451 sdata->vif.type != NL80211_IFTYPE_AP)
1452 return -EINVAL;
1453 } else
1454 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1455
1456 if (ether_addr_equal(mac, sdata->vif.addr))
1457 return -EINVAL;
1458
1459 if (is_multicast_ether_addr(mac))
1460 return -EINVAL;
1461
1462 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1463 if (!sta)
1464 return -ENOMEM;
1465
1466 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1467 sta->sta.tdls = true;
1468
1469 err = sta_apply_parameters(local, sta, params);
1470 if (err) {
1471 sta_info_free(local, sta);
1472 return err;
1473 }
1474
1475 /*
1476 * for TDLS and for unassociated station, rate control should be
1477 * initialized only when rates are known and station is marked
1478 * authorized/associated
1479 */
1480 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1481 test_sta_flag(sta, WLAN_STA_ASSOC))
1482 rate_control_rate_init(sta);
1483
1484 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1485 sdata->vif.type == NL80211_IFTYPE_AP;
1486
1487 err = sta_info_insert_rcu(sta);
1488 if (err) {
1489 rcu_read_unlock();
1490 return err;
1491 }
1492
1493 if (layer2_update)
1494 ieee80211_send_layer2_update(sta);
1495
1496 rcu_read_unlock();
1497
1498 return 0;
1499 }
1500
1501 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1502 struct station_del_parameters *params)
1503 {
1504 struct ieee80211_sub_if_data *sdata;
1505
1506 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1507
1508 if (params->mac)
1509 return sta_info_destroy_addr_bss(sdata, params->mac);
1510
1511 sta_info_flush(sdata);
1512 return 0;
1513 }
1514
1515 static int ieee80211_change_station(struct wiphy *wiphy,
1516 struct net_device *dev, const u8 *mac,
1517 struct station_parameters *params)
1518 {
1519 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1520 struct ieee80211_local *local = wiphy_priv(wiphy);
1521 struct sta_info *sta;
1522 struct ieee80211_sub_if_data *vlansdata;
1523 enum cfg80211_station_type statype;
1524 int err;
1525
1526 mutex_lock(&local->sta_mtx);
1527
1528 sta = sta_info_get_bss(sdata, mac);
1529 if (!sta) {
1530 err = -ENOENT;
1531 goto out_err;
1532 }
1533
1534 switch (sdata->vif.type) {
1535 case NL80211_IFTYPE_MESH_POINT:
1536 if (sdata->u.mesh.user_mpm)
1537 statype = CFG80211_STA_MESH_PEER_USER;
1538 else
1539 statype = CFG80211_STA_MESH_PEER_KERNEL;
1540 break;
1541 case NL80211_IFTYPE_ADHOC:
1542 statype = CFG80211_STA_IBSS;
1543 break;
1544 case NL80211_IFTYPE_STATION:
1545 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1546 statype = CFG80211_STA_AP_STA;
1547 break;
1548 }
1549 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1550 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1551 else
1552 statype = CFG80211_STA_TDLS_PEER_SETUP;
1553 break;
1554 case NL80211_IFTYPE_AP:
1555 case NL80211_IFTYPE_AP_VLAN:
1556 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1557 statype = CFG80211_STA_AP_CLIENT;
1558 else
1559 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1560 break;
1561 default:
1562 err = -EOPNOTSUPP;
1563 goto out_err;
1564 }
1565
1566 err = cfg80211_check_station_change(wiphy, params, statype);
1567 if (err)
1568 goto out_err;
1569
1570 if (params->vlan && params->vlan != sta->sdata->dev) {
1571 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1572
1573 if (params->vlan->ieee80211_ptr->use_4addr) {
1574 if (vlansdata->u.vlan.sta) {
1575 err = -EBUSY;
1576 goto out_err;
1577 }
1578
1579 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1580 __ieee80211_check_fast_rx_iface(vlansdata);
1581 }
1582
1583 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1584 sta->sdata->u.vlan.sta)
1585 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1586
1587 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1588 ieee80211_vif_dec_num_mcast(sta->sdata);
1589
1590 sta->sdata = vlansdata;
1591 ieee80211_check_fast_xmit(sta);
1592
1593 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1594 ieee80211_vif_inc_num_mcast(sta->sdata);
1595
1596 ieee80211_send_layer2_update(sta);
1597 }
1598
1599 err = sta_apply_parameters(local, sta, params);
1600 if (err)
1601 goto out_err;
1602
1603 mutex_unlock(&local->sta_mtx);
1604
1605 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1606 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1607 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1608 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1609 sta_info_tx_streams(sta) != 1) {
1610 ht_dbg(sta->sdata,
1611 "%pM just authorized and MIMO capable - update SMPS\n",
1612 sta->sta.addr);
1613 ieee80211_send_smps_action(sta->sdata,
1614 sta->sdata->bss->req_smps,
1615 sta->sta.addr,
1616 sta->sdata->vif.bss_conf.bssid);
1617 }
1618
1619 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1620 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1621 ieee80211_recalc_ps(local);
1622 ieee80211_recalc_ps_vif(sdata);
1623 }
1624
1625 return 0;
1626 out_err:
1627 mutex_unlock(&local->sta_mtx);
1628 return err;
1629 }
1630
1631 #ifdef CONFIG_MAC80211_MESH
1632 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1633 const u8 *dst, const u8 *next_hop)
1634 {
1635 struct ieee80211_sub_if_data *sdata;
1636 struct mesh_path *mpath;
1637 struct sta_info *sta;
1638
1639 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1640
1641 rcu_read_lock();
1642 sta = sta_info_get(sdata, next_hop);
1643 if (!sta) {
1644 rcu_read_unlock();
1645 return -ENOENT;
1646 }
1647
1648 mpath = mesh_path_add(sdata, dst);
1649 if (IS_ERR(mpath)) {
1650 rcu_read_unlock();
1651 return PTR_ERR(mpath);
1652 }
1653
1654 mesh_path_fix_nexthop(mpath, sta);
1655
1656 rcu_read_unlock();
1657 return 0;
1658 }
1659
1660 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1661 const u8 *dst)
1662 {
1663 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1664
1665 if (dst)
1666 return mesh_path_del(sdata, dst);
1667
1668 mesh_path_flush_by_iface(sdata);
1669 return 0;
1670 }
1671
1672 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1673 const u8 *dst, const u8 *next_hop)
1674 {
1675 struct ieee80211_sub_if_data *sdata;
1676 struct mesh_path *mpath;
1677 struct sta_info *sta;
1678
1679 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1680
1681 rcu_read_lock();
1682
1683 sta = sta_info_get(sdata, next_hop);
1684 if (!sta) {
1685 rcu_read_unlock();
1686 return -ENOENT;
1687 }
1688
1689 mpath = mesh_path_lookup(sdata, dst);
1690 if (!mpath) {
1691 rcu_read_unlock();
1692 return -ENOENT;
1693 }
1694
1695 mesh_path_fix_nexthop(mpath, sta);
1696
1697 rcu_read_unlock();
1698 return 0;
1699 }
1700
1701 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1702 struct mpath_info *pinfo)
1703 {
1704 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1705
1706 if (next_hop_sta)
1707 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1708 else
1709 eth_zero_addr(next_hop);
1710
1711 memset(pinfo, 0, sizeof(*pinfo));
1712
1713 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1714
1715 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1716 MPATH_INFO_SN |
1717 MPATH_INFO_METRIC |
1718 MPATH_INFO_EXPTIME |
1719 MPATH_INFO_DISCOVERY_TIMEOUT |
1720 MPATH_INFO_DISCOVERY_RETRIES |
1721 MPATH_INFO_FLAGS;
1722
1723 pinfo->frame_qlen = mpath->frame_queue.qlen;
1724 pinfo->sn = mpath->sn;
1725 pinfo->metric = mpath->metric;
1726 if (time_before(jiffies, mpath->exp_time))
1727 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1728 pinfo->discovery_timeout =
1729 jiffies_to_msecs(mpath->discovery_timeout);
1730 pinfo->discovery_retries = mpath->discovery_retries;
1731 if (mpath->flags & MESH_PATH_ACTIVE)
1732 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1733 if (mpath->flags & MESH_PATH_RESOLVING)
1734 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1735 if (mpath->flags & MESH_PATH_SN_VALID)
1736 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1737 if (mpath->flags & MESH_PATH_FIXED)
1738 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1739 if (mpath->flags & MESH_PATH_RESOLVED)
1740 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1741 }
1742
1743 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1744 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1745
1746 {
1747 struct ieee80211_sub_if_data *sdata;
1748 struct mesh_path *mpath;
1749
1750 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1751
1752 rcu_read_lock();
1753 mpath = mesh_path_lookup(sdata, dst);
1754 if (!mpath) {
1755 rcu_read_unlock();
1756 return -ENOENT;
1757 }
1758 memcpy(dst, mpath->dst, ETH_ALEN);
1759 mpath_set_pinfo(mpath, next_hop, pinfo);
1760 rcu_read_unlock();
1761 return 0;
1762 }
1763
1764 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1765 int idx, u8 *dst, u8 *next_hop,
1766 struct mpath_info *pinfo)
1767 {
1768 struct ieee80211_sub_if_data *sdata;
1769 struct mesh_path *mpath;
1770
1771 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1772
1773 rcu_read_lock();
1774 mpath = mesh_path_lookup_by_idx(sdata, idx);
1775 if (!mpath) {
1776 rcu_read_unlock();
1777 return -ENOENT;
1778 }
1779 memcpy(dst, mpath->dst, ETH_ALEN);
1780 mpath_set_pinfo(mpath, next_hop, pinfo);
1781 rcu_read_unlock();
1782 return 0;
1783 }
1784
1785 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1786 struct mpath_info *pinfo)
1787 {
1788 memset(pinfo, 0, sizeof(*pinfo));
1789 memcpy(mpp, mpath->mpp, ETH_ALEN);
1790
1791 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1792 }
1793
1794 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1795 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1796
1797 {
1798 struct ieee80211_sub_if_data *sdata;
1799 struct mesh_path *mpath;
1800
1801 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1802
1803 rcu_read_lock();
1804 mpath = mpp_path_lookup(sdata, dst);
1805 if (!mpath) {
1806 rcu_read_unlock();
1807 return -ENOENT;
1808 }
1809 memcpy(dst, mpath->dst, ETH_ALEN);
1810 mpp_set_pinfo(mpath, mpp, pinfo);
1811 rcu_read_unlock();
1812 return 0;
1813 }
1814
1815 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1816 int idx, u8 *dst, u8 *mpp,
1817 struct mpath_info *pinfo)
1818 {
1819 struct ieee80211_sub_if_data *sdata;
1820 struct mesh_path *mpath;
1821
1822 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1823
1824 rcu_read_lock();
1825 mpath = mpp_path_lookup_by_idx(sdata, idx);
1826 if (!mpath) {
1827 rcu_read_unlock();
1828 return -ENOENT;
1829 }
1830 memcpy(dst, mpath->dst, ETH_ALEN);
1831 mpp_set_pinfo(mpath, mpp, pinfo);
1832 rcu_read_unlock();
1833 return 0;
1834 }
1835
1836 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1837 struct net_device *dev,
1838 struct mesh_config *conf)
1839 {
1840 struct ieee80211_sub_if_data *sdata;
1841 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1842
1843 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1844 return 0;
1845 }
1846
1847 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1848 {
1849 return (mask >> (parm-1)) & 0x1;
1850 }
1851
1852 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1853 const struct mesh_setup *setup)
1854 {
1855 u8 *new_ie;
1856 const u8 *old_ie;
1857 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1858 struct ieee80211_sub_if_data, u.mesh);
1859
1860 /* allocate information elements */
1861 new_ie = NULL;
1862 old_ie = ifmsh->ie;
1863
1864 if (setup->ie_len) {
1865 new_ie = kmemdup(setup->ie, setup->ie_len,
1866 GFP_KERNEL);
1867 if (!new_ie)
1868 return -ENOMEM;
1869 }
1870 ifmsh->ie_len = setup->ie_len;
1871 ifmsh->ie = new_ie;
1872 kfree(old_ie);
1873
1874 /* now copy the rest of the setup parameters */
1875 ifmsh->mesh_id_len = setup->mesh_id_len;
1876 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1877 ifmsh->mesh_sp_id = setup->sync_method;
1878 ifmsh->mesh_pp_id = setup->path_sel_proto;
1879 ifmsh->mesh_pm_id = setup->path_metric;
1880 ifmsh->user_mpm = setup->user_mpm;
1881 ifmsh->mesh_auth_id = setup->auth_id;
1882 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1883 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1884 if (setup->is_authenticated)
1885 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1886 if (setup->is_secure)
1887 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1888
1889 /* mcast rate setting in Mesh Node */
1890 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1891 sizeof(setup->mcast_rate));
1892 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1893
1894 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1895 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1896
1897 return 0;
1898 }
1899
1900 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1901 struct net_device *dev, u32 mask,
1902 const struct mesh_config *nconf)
1903 {
1904 struct mesh_config *conf;
1905 struct ieee80211_sub_if_data *sdata;
1906 struct ieee80211_if_mesh *ifmsh;
1907
1908 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1909 ifmsh = &sdata->u.mesh;
1910
1911 /* Set the config options which we are interested in setting */
1912 conf = &(sdata->u.mesh.mshcfg);
1913 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1914 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1915 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1916 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1917 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1918 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1919 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1920 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1921 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1922 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1923 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1924 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1925 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1926 conf->element_ttl = nconf->element_ttl;
1927 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1928 if (ifmsh->user_mpm)
1929 return -EBUSY;
1930 conf->auto_open_plinks = nconf->auto_open_plinks;
1931 }
1932 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1933 conf->dot11MeshNbrOffsetMaxNeighbor =
1934 nconf->dot11MeshNbrOffsetMaxNeighbor;
1935 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1936 conf->dot11MeshHWMPmaxPREQretries =
1937 nconf->dot11MeshHWMPmaxPREQretries;
1938 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1939 conf->path_refresh_time = nconf->path_refresh_time;
1940 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1941 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1942 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1943 conf->dot11MeshHWMPactivePathTimeout =
1944 nconf->dot11MeshHWMPactivePathTimeout;
1945 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1946 conf->dot11MeshHWMPpreqMinInterval =
1947 nconf->dot11MeshHWMPpreqMinInterval;
1948 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1949 conf->dot11MeshHWMPperrMinInterval =
1950 nconf->dot11MeshHWMPperrMinInterval;
1951 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1952 mask))
1953 conf->dot11MeshHWMPnetDiameterTraversalTime =
1954 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1955 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1956 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1957 ieee80211_mesh_root_setup(ifmsh);
1958 }
1959 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1960 /* our current gate announcement implementation rides on root
1961 * announcements, so require this ifmsh to also be a root node
1962 * */
1963 if (nconf->dot11MeshGateAnnouncementProtocol &&
1964 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1965 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1966 ieee80211_mesh_root_setup(ifmsh);
1967 }
1968 conf->dot11MeshGateAnnouncementProtocol =
1969 nconf->dot11MeshGateAnnouncementProtocol;
1970 }
1971 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1972 conf->dot11MeshHWMPRannInterval =
1973 nconf->dot11MeshHWMPRannInterval;
1974 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1975 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1976 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1977 /* our RSSI threshold implementation is supported only for
1978 * devices that report signal in dBm.
1979 */
1980 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1981 return -ENOTSUPP;
1982 conf->rssi_threshold = nconf->rssi_threshold;
1983 }
1984 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1985 conf->ht_opmode = nconf->ht_opmode;
1986 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1987 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1988 }
1989 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1990 conf->dot11MeshHWMPactivePathToRootTimeout =
1991 nconf->dot11MeshHWMPactivePathToRootTimeout;
1992 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1993 conf->dot11MeshHWMProotInterval =
1994 nconf->dot11MeshHWMProotInterval;
1995 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1996 conf->dot11MeshHWMPconfirmationInterval =
1997 nconf->dot11MeshHWMPconfirmationInterval;
1998 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1999 conf->power_mode = nconf->power_mode;
2000 ieee80211_mps_local_status_update(sdata);
2001 }
2002 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2003 conf->dot11MeshAwakeWindowDuration =
2004 nconf->dot11MeshAwakeWindowDuration;
2005 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2006 conf->plink_timeout = nconf->plink_timeout;
2007 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2008 return 0;
2009 }
2010
2011 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2012 const struct mesh_config *conf,
2013 const struct mesh_setup *setup)
2014 {
2015 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2016 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2017 int err;
2018
2019 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2020 err = copy_mesh_setup(ifmsh, setup);
2021 if (err)
2022 return err;
2023
2024 /* can mesh use other SMPS modes? */
2025 sdata->smps_mode = IEEE80211_SMPS_OFF;
2026 sdata->needed_rx_chains = sdata->local->rx_chains;
2027
2028 mutex_lock(&sdata->local->mtx);
2029 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2030 IEEE80211_CHANCTX_SHARED);
2031 mutex_unlock(&sdata->local->mtx);
2032 if (err)
2033 return err;
2034
2035 return ieee80211_start_mesh(sdata);
2036 }
2037
2038 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2039 {
2040 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2041
2042 ieee80211_stop_mesh(sdata);
2043 mutex_lock(&sdata->local->mtx);
2044 ieee80211_vif_release_channel(sdata);
2045 mutex_unlock(&sdata->local->mtx);
2046
2047 return 0;
2048 }
2049 #endif
2050
2051 static int ieee80211_change_bss(struct wiphy *wiphy,
2052 struct net_device *dev,
2053 struct bss_parameters *params)
2054 {
2055 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2056 struct ieee80211_supported_band *sband;
2057 u32 changed = 0;
2058
2059 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2060 return -ENOENT;
2061
2062 sband = ieee80211_get_sband(sdata);
2063 if (!sband)
2064 return -EINVAL;
2065
2066 if (params->use_cts_prot >= 0) {
2067 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2068 changed |= BSS_CHANGED_ERP_CTS_PROT;
2069 }
2070 if (params->use_short_preamble >= 0) {
2071 sdata->vif.bss_conf.use_short_preamble =
2072 params->use_short_preamble;
2073 changed |= BSS_CHANGED_ERP_PREAMBLE;
2074 }
2075
2076 if (!sdata->vif.bss_conf.use_short_slot &&
2077 sband->band == NL80211_BAND_5GHZ) {
2078 sdata->vif.bss_conf.use_short_slot = true;
2079 changed |= BSS_CHANGED_ERP_SLOT;
2080 }
2081
2082 if (params->use_short_slot_time >= 0) {
2083 sdata->vif.bss_conf.use_short_slot =
2084 params->use_short_slot_time;
2085 changed |= BSS_CHANGED_ERP_SLOT;
2086 }
2087
2088 if (params->basic_rates) {
2089 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2090 wiphy->bands[sband->band],
2091 params->basic_rates,
2092 params->basic_rates_len,
2093 &sdata->vif.bss_conf.basic_rates);
2094 changed |= BSS_CHANGED_BASIC_RATES;
2095 ieee80211_check_rate_mask(sdata);
2096 }
2097
2098 if (params->ap_isolate >= 0) {
2099 if (params->ap_isolate)
2100 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2101 else
2102 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2103 ieee80211_check_fast_rx_iface(sdata);
2104 }
2105
2106 if (params->ht_opmode >= 0) {
2107 sdata->vif.bss_conf.ht_operation_mode =
2108 (u16) params->ht_opmode;
2109 changed |= BSS_CHANGED_HT;
2110 }
2111
2112 if (params->p2p_ctwindow >= 0) {
2113 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2114 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2115 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2116 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2117 changed |= BSS_CHANGED_P2P_PS;
2118 }
2119
2120 if (params->p2p_opp_ps > 0) {
2121 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2122 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2123 changed |= BSS_CHANGED_P2P_PS;
2124 } else if (params->p2p_opp_ps == 0) {
2125 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2126 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2127 changed |= BSS_CHANGED_P2P_PS;
2128 }
2129
2130 ieee80211_bss_info_change_notify(sdata, changed);
2131
2132 return 0;
2133 }
2134
2135 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2136 struct net_device *dev,
2137 struct ieee80211_txq_params *params)
2138 {
2139 struct ieee80211_local *local = wiphy_priv(wiphy);
2140 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2141 struct ieee80211_tx_queue_params p;
2142
2143 if (!local->ops->conf_tx)
2144 return -EOPNOTSUPP;
2145
2146 if (local->hw.queues < IEEE80211_NUM_ACS)
2147 return -EOPNOTSUPP;
2148
2149 memset(&p, 0, sizeof(p));
2150 p.aifs = params->aifs;
2151 p.cw_max = params->cwmax;
2152 p.cw_min = params->cwmin;
2153 p.txop = params->txop;
2154
2155 /*
2156 * Setting tx queue params disables u-apsd because it's only
2157 * called in master mode.
2158 */
2159 p.uapsd = false;
2160
2161 sdata->tx_conf[params->ac] = p;
2162 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2163 wiphy_debug(local->hw.wiphy,
2164 "failed to set TX queue parameters for AC %d\n",
2165 params->ac);
2166 return -EINVAL;
2167 }
2168
2169 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2170
2171 return 0;
2172 }
2173
2174 #ifdef CONFIG_PM
2175 static int ieee80211_suspend(struct wiphy *wiphy,
2176 struct cfg80211_wowlan *wowlan)
2177 {
2178 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2179 }
2180
2181 static int ieee80211_resume(struct wiphy *wiphy)
2182 {
2183 return __ieee80211_resume(wiphy_priv(wiphy));
2184 }
2185 #else
2186 #define ieee80211_suspend NULL
2187 #define ieee80211_resume NULL
2188 #endif
2189
2190 static int ieee80211_scan(struct wiphy *wiphy,
2191 struct cfg80211_scan_request *req)
2192 {
2193 struct ieee80211_sub_if_data *sdata;
2194
2195 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2196
2197 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2198 case NL80211_IFTYPE_STATION:
2199 case NL80211_IFTYPE_ADHOC:
2200 case NL80211_IFTYPE_MESH_POINT:
2201 case NL80211_IFTYPE_P2P_CLIENT:
2202 case NL80211_IFTYPE_P2P_DEVICE:
2203 break;
2204 case NL80211_IFTYPE_P2P_GO:
2205 if (sdata->local->ops->hw_scan)
2206 break;
2207 /*
2208 * FIXME: implement NoA while scanning in software,
2209 * for now fall through to allow scanning only when
2210 * beaconing hasn't been configured yet
2211 */
2212 case NL80211_IFTYPE_AP:
2213 /*
2214 * If the scan has been forced (and the driver supports
2215 * forcing), don't care about being beaconing already.
2216 * This will create problems to the attached stations (e.g. all
2217 * the frames sent while scanning on other channel will be
2218 * lost)
2219 */
2220 if (sdata->u.ap.beacon &&
2221 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2222 !(req->flags & NL80211_SCAN_FLAG_AP)))
2223 return -EOPNOTSUPP;
2224 break;
2225 case NL80211_IFTYPE_NAN:
2226 default:
2227 return -EOPNOTSUPP;
2228 }
2229
2230 return ieee80211_request_scan(sdata, req);
2231 }
2232
2233 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2234 {
2235 ieee80211_scan_cancel(wiphy_priv(wiphy));
2236 }
2237
2238 static int
2239 ieee80211_sched_scan_start(struct wiphy *wiphy,
2240 struct net_device *dev,
2241 struct cfg80211_sched_scan_request *req)
2242 {
2243 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2244
2245 if (!sdata->local->ops->sched_scan_start)
2246 return -EOPNOTSUPP;
2247
2248 return ieee80211_request_sched_scan_start(sdata, req);
2249 }
2250
2251 static int
2252 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2253 u64 reqid)
2254 {
2255 struct ieee80211_local *local = wiphy_priv(wiphy);
2256
2257 if (!local->ops->sched_scan_stop)
2258 return -EOPNOTSUPP;
2259
2260 return ieee80211_request_sched_scan_stop(local);
2261 }
2262
2263 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2264 struct cfg80211_auth_request *req)
2265 {
2266 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2267 }
2268
2269 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2270 struct cfg80211_assoc_request *req)
2271 {
2272 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2273 }
2274
2275 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2276 struct cfg80211_deauth_request *req)
2277 {
2278 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2279 }
2280
2281 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2282 struct cfg80211_disassoc_request *req)
2283 {
2284 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2285 }
2286
2287 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2288 struct cfg80211_ibss_params *params)
2289 {
2290 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2291 }
2292
2293 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2294 {
2295 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2296 }
2297
2298 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2299 struct ocb_setup *setup)
2300 {
2301 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2302 }
2303
2304 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2305 {
2306 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2307 }
2308
2309 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2310 int rate[NUM_NL80211_BANDS])
2311 {
2312 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2313
2314 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2315 sizeof(int) * NUM_NL80211_BANDS);
2316
2317 return 0;
2318 }
2319
2320 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2321 {
2322 struct ieee80211_local *local = wiphy_priv(wiphy);
2323 int err;
2324
2325 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2326 ieee80211_check_fast_xmit_all(local);
2327
2328 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2329
2330 if (err) {
2331 ieee80211_check_fast_xmit_all(local);
2332 return err;
2333 }
2334 }
2335
2336 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2337 (changed & WIPHY_PARAM_DYN_ACK)) {
2338 s16 coverage_class;
2339
2340 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2341 wiphy->coverage_class : -1;
2342 err = drv_set_coverage_class(local, coverage_class);
2343
2344 if (err)
2345 return err;
2346 }
2347
2348 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2349 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2350
2351 if (err)
2352 return err;
2353 }
2354
2355 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2356 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2357 return -EINVAL;
2358 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2359 }
2360 if (changed & WIPHY_PARAM_RETRY_LONG) {
2361 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2362 return -EINVAL;
2363 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2364 }
2365 if (changed &
2366 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2367 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2368
2369 return 0;
2370 }
2371
2372 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2373 struct wireless_dev *wdev,
2374 enum nl80211_tx_power_setting type, int mbm)
2375 {
2376 struct ieee80211_local *local = wiphy_priv(wiphy);
2377 struct ieee80211_sub_if_data *sdata;
2378 enum nl80211_tx_power_setting txp_type = type;
2379 bool update_txp_type = false;
2380 bool has_monitor = false;
2381
2382 if (wdev) {
2383 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2384
2385 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2386 sdata = rtnl_dereference(local->monitor_sdata);
2387 if (!sdata)
2388 return -EOPNOTSUPP;
2389 }
2390
2391 switch (type) {
2392 case NL80211_TX_POWER_AUTOMATIC:
2393 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2394 txp_type = NL80211_TX_POWER_LIMITED;
2395 break;
2396 case NL80211_TX_POWER_LIMITED:
2397 case NL80211_TX_POWER_FIXED:
2398 if (mbm < 0 || (mbm % 100))
2399 return -EOPNOTSUPP;
2400 sdata->user_power_level = MBM_TO_DBM(mbm);
2401 break;
2402 }
2403
2404 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2405 update_txp_type = true;
2406 sdata->vif.bss_conf.txpower_type = txp_type;
2407 }
2408
2409 ieee80211_recalc_txpower(sdata, update_txp_type);
2410
2411 return 0;
2412 }
2413
2414 switch (type) {
2415 case NL80211_TX_POWER_AUTOMATIC:
2416 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2417 txp_type = NL80211_TX_POWER_LIMITED;
2418 break;
2419 case NL80211_TX_POWER_LIMITED:
2420 case NL80211_TX_POWER_FIXED:
2421 if (mbm < 0 || (mbm % 100))
2422 return -EOPNOTSUPP;
2423 local->user_power_level = MBM_TO_DBM(mbm);
2424 break;
2425 }
2426
2427 mutex_lock(&local->iflist_mtx);
2428 list_for_each_entry(sdata, &local->interfaces, list) {
2429 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2430 has_monitor = true;
2431 continue;
2432 }
2433 sdata->user_power_level = local->user_power_level;
2434 if (txp_type != sdata->vif.bss_conf.txpower_type)
2435 update_txp_type = true;
2436 sdata->vif.bss_conf.txpower_type = txp_type;
2437 }
2438 list_for_each_entry(sdata, &local->interfaces, list) {
2439 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2440 continue;
2441 ieee80211_recalc_txpower(sdata, update_txp_type);
2442 }
2443 mutex_unlock(&local->iflist_mtx);
2444
2445 if (has_monitor) {
2446 sdata = rtnl_dereference(local->monitor_sdata);
2447 if (sdata) {
2448 sdata->user_power_level = local->user_power_level;
2449 if (txp_type != sdata->vif.bss_conf.txpower_type)
2450 update_txp_type = true;
2451 sdata->vif.bss_conf.txpower_type = txp_type;
2452
2453 ieee80211_recalc_txpower(sdata, update_txp_type);
2454 }
2455 }
2456
2457 return 0;
2458 }
2459
2460 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2461 struct wireless_dev *wdev,
2462 int *dbm)
2463 {
2464 struct ieee80211_local *local = wiphy_priv(wiphy);
2465 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2466
2467 if (local->ops->get_txpower)
2468 return drv_get_txpower(local, sdata, dbm);
2469
2470 if (!local->use_chanctx)
2471 *dbm = local->hw.conf.power_level;
2472 else
2473 *dbm = sdata->vif.bss_conf.txpower;
2474
2475 return 0;
2476 }
2477
2478 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2479 const u8 *addr)
2480 {
2481 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2482
2483 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2484
2485 return 0;
2486 }
2487
2488 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2489 {
2490 struct ieee80211_local *local = wiphy_priv(wiphy);
2491
2492 drv_rfkill_poll(local);
2493 }
2494
2495 #ifdef CONFIG_NL80211_TESTMODE
2496 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2497 struct wireless_dev *wdev,
2498 void *data, int len)
2499 {
2500 struct ieee80211_local *local = wiphy_priv(wiphy);
2501 struct ieee80211_vif *vif = NULL;
2502
2503 if (!local->ops->testmode_cmd)
2504 return -EOPNOTSUPP;
2505
2506 if (wdev) {
2507 struct ieee80211_sub_if_data *sdata;
2508
2509 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2510 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2511 vif = &sdata->vif;
2512 }
2513
2514 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2515 }
2516
2517 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2518 struct sk_buff *skb,
2519 struct netlink_callback *cb,
2520 void *data, int len)
2521 {
2522 struct ieee80211_local *local = wiphy_priv(wiphy);
2523
2524 if (!local->ops->testmode_dump)
2525 return -EOPNOTSUPP;
2526
2527 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2528 }
2529 #endif
2530
2531 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2532 enum ieee80211_smps_mode smps_mode)
2533 {
2534 struct sta_info *sta;
2535 enum ieee80211_smps_mode old_req;
2536
2537 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2538 return -EINVAL;
2539
2540 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2541 return 0;
2542
2543 old_req = sdata->u.ap.req_smps;
2544 sdata->u.ap.req_smps = smps_mode;
2545
2546 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2547 if (old_req == smps_mode ||
2548 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2549 return 0;
2550
2551 ht_dbg(sdata,
2552 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2553 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2554
2555 mutex_lock(&sdata->local->sta_mtx);
2556 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2557 /*
2558 * Only stations associated to our AP and
2559 * associated VLANs
2560 */
2561 if (sta->sdata->bss != &sdata->u.ap)
2562 continue;
2563
2564 /* This station doesn't support MIMO - skip it */
2565 if (sta_info_tx_streams(sta) == 1)
2566 continue;
2567
2568 /*
2569 * Don't wake up a STA just to send the action frame
2570 * unless we are getting more restrictive.
2571 */
2572 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2573 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2574 smps_mode)) {
2575 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2576 sta->sta.addr);
2577 continue;
2578 }
2579
2580 /*
2581 * If the STA is not authorized, wait until it gets
2582 * authorized and the action frame will be sent then.
2583 */
2584 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2585 continue;
2586
2587 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2588 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2589 sdata->vif.bss_conf.bssid);
2590 }
2591 mutex_unlock(&sdata->local->sta_mtx);
2592
2593 sdata->smps_mode = smps_mode;
2594 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2595
2596 return 0;
2597 }
2598
2599 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2600 enum ieee80211_smps_mode smps_mode)
2601 {
2602 const u8 *ap;
2603 enum ieee80211_smps_mode old_req;
2604 int err;
2605 struct sta_info *sta;
2606 bool tdls_peer_found = false;
2607
2608 lockdep_assert_held(&sdata->wdev.mtx);
2609
2610 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2611 return -EINVAL;
2612
2613 old_req = sdata->u.mgd.req_smps;
2614 sdata->u.mgd.req_smps = smps_mode;
2615
2616 if (old_req == smps_mode &&
2617 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2618 return 0;
2619
2620 /*
2621 * If not associated, or current association is not an HT
2622 * association, there's no need to do anything, just store
2623 * the new value until we associate.
2624 */
2625 if (!sdata->u.mgd.associated ||
2626 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2627 return 0;
2628
2629 ap = sdata->u.mgd.associated->bssid;
2630
2631 rcu_read_lock();
2632 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2633 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2634 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2635 continue;
2636
2637 tdls_peer_found = true;
2638 break;
2639 }
2640 rcu_read_unlock();
2641
2642 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2643 if (tdls_peer_found || !sdata->u.mgd.powersave)
2644 smps_mode = IEEE80211_SMPS_OFF;
2645 else
2646 smps_mode = IEEE80211_SMPS_DYNAMIC;
2647 }
2648
2649 /* send SM PS frame to AP */
2650 err = ieee80211_send_smps_action(sdata, smps_mode,
2651 ap, ap);
2652 if (err)
2653 sdata->u.mgd.req_smps = old_req;
2654 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2655 ieee80211_teardown_tdls_peers(sdata);
2656
2657 return err;
2658 }
2659
2660 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2661 bool enabled, int timeout)
2662 {
2663 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2664 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2665
2666 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2667 return -EOPNOTSUPP;
2668
2669 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2670 return -EOPNOTSUPP;
2671
2672 if (enabled == sdata->u.mgd.powersave &&
2673 timeout == local->dynamic_ps_forced_timeout)
2674 return 0;
2675
2676 sdata->u.mgd.powersave = enabled;
2677 local->dynamic_ps_forced_timeout = timeout;
2678
2679 /* no change, but if automatic follow powersave */
2680 sdata_lock(sdata);
2681 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2682 sdata_unlock(sdata);
2683
2684 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2685 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2686
2687 ieee80211_recalc_ps(local);
2688 ieee80211_recalc_ps_vif(sdata);
2689
2690 return 0;
2691 }
2692
2693 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2694 struct net_device *dev,
2695 s32 rssi_thold, u32 rssi_hyst)
2696 {
2697 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2698 struct ieee80211_vif *vif = &sdata->vif;
2699 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2700
2701 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2702 rssi_hyst == bss_conf->cqm_rssi_hyst)
2703 return 0;
2704
2705 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2706 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2707 return -EOPNOTSUPP;
2708
2709 bss_conf->cqm_rssi_thold = rssi_thold;
2710 bss_conf->cqm_rssi_hyst = rssi_hyst;
2711 bss_conf->cqm_rssi_low = 0;
2712 bss_conf->cqm_rssi_high = 0;
2713 sdata->u.mgd.last_cqm_event_signal = 0;
2714
2715 /* tell the driver upon association, unless already associated */
2716 if (sdata->u.mgd.associated &&
2717 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2718 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2719
2720 return 0;
2721 }
2722
2723 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2724 struct net_device *dev,
2725 s32 rssi_low, s32 rssi_high)
2726 {
2727 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2728 struct ieee80211_vif *vif = &sdata->vif;
2729 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2730
2731 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2732 return -EOPNOTSUPP;
2733
2734 bss_conf->cqm_rssi_low = rssi_low;
2735 bss_conf->cqm_rssi_high = rssi_high;
2736 bss_conf->cqm_rssi_thold = 0;
2737 bss_conf->cqm_rssi_hyst = 0;
2738 sdata->u.mgd.last_cqm_event_signal = 0;
2739
2740 /* tell the driver upon association, unless already associated */
2741 if (sdata->u.mgd.associated &&
2742 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2743 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2744
2745 return 0;
2746 }
2747
2748 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2749 struct net_device *dev,
2750 const u8 *addr,
2751 const struct cfg80211_bitrate_mask *mask)
2752 {
2753 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2754 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2755 int i, ret;
2756
2757 if (!ieee80211_sdata_running(sdata))
2758 return -ENETDOWN;
2759
2760 /*
2761 * If active validate the setting and reject it if it doesn't leave
2762 * at least one basic rate usable, since we really have to be able
2763 * to send something, and if we're an AP we have to be able to do
2764 * so at a basic rate so that all clients can receive it.
2765 */
2766 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2767 sdata->vif.bss_conf.chandef.chan) {
2768 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2769 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2770
2771 if (!(mask->control[band].legacy & basic_rates))
2772 return -EINVAL;
2773 }
2774
2775 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2776 ret = drv_set_bitrate_mask(local, sdata, mask);
2777 if (ret)
2778 return ret;
2779 }
2780
2781 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2782 struct ieee80211_supported_band *sband = wiphy->bands[i];
2783 int j;
2784
2785 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2786 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2787 sizeof(mask->control[i].ht_mcs));
2788 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2789 mask->control[i].vht_mcs,
2790 sizeof(mask->control[i].vht_mcs));
2791
2792 sdata->rc_has_mcs_mask[i] = false;
2793 sdata->rc_has_vht_mcs_mask[i] = false;
2794 if (!sband)
2795 continue;
2796
2797 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2798 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2799 sdata->rc_has_mcs_mask[i] = true;
2800 break;
2801 }
2802 }
2803
2804 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2805 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2806 sdata->rc_has_vht_mcs_mask[i] = true;
2807 break;
2808 }
2809 }
2810 }
2811
2812 return 0;
2813 }
2814
2815 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2816 struct net_device *dev,
2817 struct cfg80211_chan_def *chandef,
2818 u32 cac_time_ms)
2819 {
2820 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2821 struct ieee80211_local *local = sdata->local;
2822 int err;
2823
2824 mutex_lock(&local->mtx);
2825 if (!list_empty(&local->roc_list) || local->scanning) {
2826 err = -EBUSY;
2827 goto out_unlock;
2828 }
2829
2830 /* whatever, but channel contexts should not complain about that one */
2831 sdata->smps_mode = IEEE80211_SMPS_OFF;
2832 sdata->needed_rx_chains = local->rx_chains;
2833
2834 err = ieee80211_vif_use_channel(sdata, chandef,
2835 IEEE80211_CHANCTX_SHARED);
2836 if (err)
2837 goto out_unlock;
2838
2839 ieee80211_queue_delayed_work(&sdata->local->hw,
2840 &sdata->dfs_cac_timer_work,
2841 msecs_to_jiffies(cac_time_ms));
2842
2843 out_unlock:
2844 mutex_unlock(&local->mtx);
2845 return err;
2846 }
2847
2848 static struct cfg80211_beacon_data *
2849 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2850 {
2851 struct cfg80211_beacon_data *new_beacon;
2852 u8 *pos;
2853 int len;
2854
2855 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2856 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2857 beacon->probe_resp_len;
2858
2859 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2860 if (!new_beacon)
2861 return NULL;
2862
2863 pos = (u8 *)(new_beacon + 1);
2864 if (beacon->head_len) {
2865 new_beacon->head_len = beacon->head_len;
2866 new_beacon->head = pos;
2867 memcpy(pos, beacon->head, beacon->head_len);
2868 pos += beacon->head_len;
2869 }
2870 if (beacon->tail_len) {
2871 new_beacon->tail_len = beacon->tail_len;
2872 new_beacon->tail = pos;
2873 memcpy(pos, beacon->tail, beacon->tail_len);
2874 pos += beacon->tail_len;
2875 }
2876 if (beacon->beacon_ies_len) {
2877 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2878 new_beacon->beacon_ies = pos;
2879 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2880 pos += beacon->beacon_ies_len;
2881 }
2882 if (beacon->proberesp_ies_len) {
2883 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2884 new_beacon->proberesp_ies = pos;
2885 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2886 pos += beacon->proberesp_ies_len;
2887 }
2888 if (beacon->assocresp_ies_len) {
2889 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2890 new_beacon->assocresp_ies = pos;
2891 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2892 pos += beacon->assocresp_ies_len;
2893 }
2894 if (beacon->probe_resp_len) {
2895 new_beacon->probe_resp_len = beacon->probe_resp_len;
2896 new_beacon->probe_resp = pos;
2897 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2898 pos += beacon->probe_resp_len;
2899 }
2900
2901 return new_beacon;
2902 }
2903
2904 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2905 {
2906 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2907
2908 ieee80211_queue_work(&sdata->local->hw,
2909 &sdata->csa_finalize_work);
2910 }
2911 EXPORT_SYMBOL(ieee80211_csa_finish);
2912
2913 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2914 u32 *changed)
2915 {
2916 int err;
2917
2918 switch (sdata->vif.type) {
2919 case NL80211_IFTYPE_AP:
2920 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2921 NULL);
2922 kfree(sdata->u.ap.next_beacon);
2923 sdata->u.ap.next_beacon = NULL;
2924
2925 if (err < 0)
2926 return err;
2927 *changed |= err;
2928 break;
2929 case NL80211_IFTYPE_ADHOC:
2930 err = ieee80211_ibss_finish_csa(sdata);
2931 if (err < 0)
2932 return err;
2933 *changed |= err;
2934 break;
2935 #ifdef CONFIG_MAC80211_MESH
2936 case NL80211_IFTYPE_MESH_POINT:
2937 err = ieee80211_mesh_finish_csa(sdata);
2938 if (err < 0)
2939 return err;
2940 *changed |= err;
2941 break;
2942 #endif
2943 default:
2944 WARN_ON(1);
2945 return -EINVAL;
2946 }
2947
2948 return 0;
2949 }
2950
2951 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2952 {
2953 struct ieee80211_local *local = sdata->local;
2954 u32 changed = 0;
2955 int err;
2956
2957 sdata_assert_lock(sdata);
2958 lockdep_assert_held(&local->mtx);
2959 lockdep_assert_held(&local->chanctx_mtx);
2960
2961 /*
2962 * using reservation isn't immediate as it may be deferred until later
2963 * with multi-vif. once reservation is complete it will re-schedule the
2964 * work with no reserved_chanctx so verify chandef to check if it
2965 * completed successfully
2966 */
2967
2968 if (sdata->reserved_chanctx) {
2969 /*
2970 * with multi-vif csa driver may call ieee80211_csa_finish()
2971 * many times while waiting for other interfaces to use their
2972 * reservations
2973 */
2974 if (sdata->reserved_ready)
2975 return 0;
2976
2977 return ieee80211_vif_use_reserved_context(sdata);
2978 }
2979
2980 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2981 &sdata->csa_chandef))
2982 return -EINVAL;
2983
2984 sdata->vif.csa_active = false;
2985
2986 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2987 if (err)
2988 return err;
2989
2990 ieee80211_bss_info_change_notify(sdata, changed);
2991
2992 if (sdata->csa_block_tx) {
2993 ieee80211_wake_vif_queues(local, sdata,
2994 IEEE80211_QUEUE_STOP_REASON_CSA);
2995 sdata->csa_block_tx = false;
2996 }
2997
2998 err = drv_post_channel_switch(sdata);
2999 if (err)
3000 return err;
3001
3002 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3003
3004 return 0;
3005 }
3006
3007 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3008 {
3009 if (__ieee80211_csa_finalize(sdata)) {
3010 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3011 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3012 GFP_KERNEL);
3013 }
3014 }
3015
3016 void ieee80211_csa_finalize_work(struct work_struct *work)
3017 {
3018 struct ieee80211_sub_if_data *sdata =
3019 container_of(work, struct ieee80211_sub_if_data,
3020 csa_finalize_work);
3021 struct ieee80211_local *local = sdata->local;
3022
3023 sdata_lock(sdata);
3024 mutex_lock(&local->mtx);
3025 mutex_lock(&local->chanctx_mtx);
3026
3027 /* AP might have been stopped while waiting for the lock. */
3028 if (!sdata->vif.csa_active)
3029 goto unlock;
3030
3031 if (!ieee80211_sdata_running(sdata))
3032 goto unlock;
3033
3034 ieee80211_csa_finalize(sdata);
3035
3036 unlock:
3037 mutex_unlock(&local->chanctx_mtx);
3038 mutex_unlock(&local->mtx);
3039 sdata_unlock(sdata);
3040 }
3041
3042 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3043 struct cfg80211_csa_settings *params,
3044 u32 *changed)
3045 {
3046 struct ieee80211_csa_settings csa = {};
3047 int err;
3048
3049 switch (sdata->vif.type) {
3050 case NL80211_IFTYPE_AP:
3051 sdata->u.ap.next_beacon =
3052 cfg80211_beacon_dup(&params->beacon_after);
3053 if (!sdata->u.ap.next_beacon)
3054 return -ENOMEM;
3055
3056 /*
3057 * With a count of 0, we don't have to wait for any
3058 * TBTT before switching, so complete the CSA
3059 * immediately. In theory, with a count == 1 we
3060 * should delay the switch until just before the next
3061 * TBTT, but that would complicate things so we switch
3062 * immediately too. If we would delay the switch
3063 * until the next TBTT, we would have to set the probe
3064 * response here.
3065 *
3066 * TODO: A channel switch with count <= 1 without
3067 * sending a CSA action frame is kind of useless,
3068 * because the clients won't know we're changing
3069 * channels. The action frame must be implemented
3070 * either here or in the userspace.
3071 */
3072 if (params->count <= 1)
3073 break;
3074
3075 if ((params->n_counter_offsets_beacon >
3076 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3077 (params->n_counter_offsets_presp >
3078 IEEE80211_MAX_CSA_COUNTERS_NUM))
3079 return -EINVAL;
3080
3081 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3082 csa.counter_offsets_presp = params->counter_offsets_presp;
3083 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3084 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3085 csa.count = params->count;
3086
3087 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3088 if (err < 0) {
3089 kfree(sdata->u.ap.next_beacon);
3090 return err;
3091 }
3092 *changed |= err;
3093
3094 break;
3095 case NL80211_IFTYPE_ADHOC:
3096 if (!sdata->vif.bss_conf.ibss_joined)
3097 return -EINVAL;
3098
3099 if (params->chandef.width != sdata->u.ibss.chandef.width)
3100 return -EINVAL;
3101
3102 switch (params->chandef.width) {
3103 case NL80211_CHAN_WIDTH_40:
3104 if (cfg80211_get_chandef_type(&params->chandef) !=
3105 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3106 return -EINVAL;
3107 case NL80211_CHAN_WIDTH_5:
3108 case NL80211_CHAN_WIDTH_10:
3109 case NL80211_CHAN_WIDTH_20_NOHT:
3110 case NL80211_CHAN_WIDTH_20:
3111 break;
3112 default:
3113 return -EINVAL;
3114 }
3115
3116 /* changes into another band are not supported */
3117 if (sdata->u.ibss.chandef.chan->band !=
3118 params->chandef.chan->band)
3119 return -EINVAL;
3120
3121 /* see comments in the NL80211_IFTYPE_AP block */
3122 if (params->count > 1) {
3123 err = ieee80211_ibss_csa_beacon(sdata, params);
3124 if (err < 0)
3125 return err;
3126 *changed |= err;
3127 }
3128
3129 ieee80211_send_action_csa(sdata, params);
3130
3131 break;
3132 #ifdef CONFIG_MAC80211_MESH
3133 case NL80211_IFTYPE_MESH_POINT: {
3134 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3135
3136 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3137 return -EINVAL;
3138
3139 /* changes into another band are not supported */
3140 if (sdata->vif.bss_conf.chandef.chan->band !=
3141 params->chandef.chan->band)
3142 return -EINVAL;
3143
3144 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3145 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3146 if (!ifmsh->pre_value)
3147 ifmsh->pre_value = 1;
3148 else
3149 ifmsh->pre_value++;
3150 }
3151
3152 /* see comments in the NL80211_IFTYPE_AP block */
3153 if (params->count > 1) {
3154 err = ieee80211_mesh_csa_beacon(sdata, params);
3155 if (err < 0) {
3156 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3157 return err;
3158 }
3159 *changed |= err;
3160 }
3161
3162 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3163 ieee80211_send_action_csa(sdata, params);
3164
3165 break;
3166 }
3167 #endif
3168 default:
3169 return -EOPNOTSUPP;
3170 }
3171
3172 return 0;
3173 }
3174
3175 static int
3176 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3177 struct cfg80211_csa_settings *params)
3178 {
3179 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3180 struct ieee80211_local *local = sdata->local;
3181 struct ieee80211_channel_switch ch_switch;
3182 struct ieee80211_chanctx_conf *conf;
3183 struct ieee80211_chanctx *chanctx;
3184 u32 changed = 0;
3185 int err;
3186
3187 sdata_assert_lock(sdata);
3188 lockdep_assert_held(&local->mtx);
3189
3190 if (!list_empty(&local->roc_list) || local->scanning)
3191 return -EBUSY;
3192
3193 if (sdata->wdev.cac_started)
3194 return -EBUSY;
3195
3196 if (cfg80211_chandef_identical(&params->chandef,
3197 &sdata->vif.bss_conf.chandef))
3198 return -EINVAL;
3199
3200 /* don't allow another channel switch if one is already active. */
3201 if (sdata->vif.csa_active)
3202 return -EBUSY;
3203
3204 mutex_lock(&local->chanctx_mtx);
3205 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3206 lockdep_is_held(&local->chanctx_mtx));
3207 if (!conf) {
3208 err = -EBUSY;
3209 goto out;
3210 }
3211
3212 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3213
3214 ch_switch.timestamp = 0;
3215 ch_switch.device_timestamp = 0;
3216 ch_switch.block_tx = params->block_tx;
3217 ch_switch.chandef = params->chandef;
3218 ch_switch.count = params->count;
3219
3220 err = drv_pre_channel_switch(sdata, &ch_switch);
3221 if (err)
3222 goto out;
3223
3224 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3225 chanctx->mode,
3226 params->radar_required);
3227 if (err)
3228 goto out;
3229
3230 /* if reservation is invalid then this will fail */
3231 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3232 if (err) {
3233 ieee80211_vif_unreserve_chanctx(sdata);
3234 goto out;
3235 }
3236
3237 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3238 if (err) {
3239 ieee80211_vif_unreserve_chanctx(sdata);
3240 goto out;
3241 }
3242
3243 sdata->csa_chandef = params->chandef;
3244 sdata->csa_block_tx = params->block_tx;
3245 sdata->vif.csa_active = true;
3246
3247 if (sdata->csa_block_tx)
3248 ieee80211_stop_vif_queues(local, sdata,
3249 IEEE80211_QUEUE_STOP_REASON_CSA);
3250
3251 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3252 params->count);
3253
3254 if (changed) {
3255 ieee80211_bss_info_change_notify(sdata, changed);
3256 drv_channel_switch_beacon(sdata, &params->chandef);
3257 } else {
3258 /* if the beacon didn't change, we can finalize immediately */
3259 ieee80211_csa_finalize(sdata);
3260 }
3261
3262 out:
3263 mutex_unlock(&local->chanctx_mtx);
3264 return err;
3265 }
3266
3267 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3268 struct cfg80211_csa_settings *params)
3269 {
3270 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3271 struct ieee80211_local *local = sdata->local;
3272 int err;
3273
3274 mutex_lock(&local->mtx);
3275 err = __ieee80211_channel_switch(wiphy, dev, params);
3276 mutex_unlock(&local->mtx);
3277
3278 return err;
3279 }
3280
3281 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3282 {
3283 lockdep_assert_held(&local->mtx);
3284
3285 local->roc_cookie_counter++;
3286
3287 /* wow, you wrapped 64 bits ... more likely a bug */
3288 if (WARN_ON(local->roc_cookie_counter == 0))
3289 local->roc_cookie_counter++;
3290
3291 return local->roc_cookie_counter;
3292 }
3293
3294 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3295 u64 *cookie, gfp_t gfp)
3296 {
3297 unsigned long spin_flags;
3298 struct sk_buff *ack_skb;
3299 int id;
3300
3301 ack_skb = skb_copy(skb, gfp);
3302 if (!ack_skb)
3303 return -ENOMEM;
3304
3305 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3306 id = idr_alloc(&local->ack_status_frames, ack_skb,
3307 1, 0x10000, GFP_ATOMIC);
3308 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3309
3310 if (id < 0) {
3311 kfree_skb(ack_skb);
3312 return -ENOMEM;
3313 }
3314
3315 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3316
3317 *cookie = ieee80211_mgmt_tx_cookie(local);
3318 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3319
3320 return 0;
3321 }
3322
3323 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3324 struct wireless_dev *wdev,
3325 u16 frame_type, bool reg)
3326 {
3327 struct ieee80211_local *local = wiphy_priv(wiphy);
3328 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3329
3330 switch (frame_type) {
3331 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3332 if (reg) {
3333 local->probe_req_reg++;
3334 sdata->vif.probe_req_reg++;
3335 } else {
3336 if (local->probe_req_reg)
3337 local->probe_req_reg--;
3338
3339 if (sdata->vif.probe_req_reg)
3340 sdata->vif.probe_req_reg--;
3341 }
3342
3343 if (!local->open_count)
3344 break;
3345
3346 if (sdata->vif.probe_req_reg == 1)
3347 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3348 FIF_PROBE_REQ);
3349 else if (sdata->vif.probe_req_reg == 0)
3350 drv_config_iface_filter(local, sdata, 0,
3351 FIF_PROBE_REQ);
3352
3353 ieee80211_configure_filter(local);
3354 break;
3355 default:
3356 break;
3357 }
3358 }
3359
3360 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3361 {
3362 struct ieee80211_local *local = wiphy_priv(wiphy);
3363
3364 if (local->started)
3365 return -EOPNOTSUPP;
3366
3367 return drv_set_antenna(local, tx_ant, rx_ant);
3368 }
3369
3370 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3371 {
3372 struct ieee80211_local *local = wiphy_priv(wiphy);
3373
3374 return drv_get_antenna(local, tx_ant, rx_ant);
3375 }
3376
3377 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3378 struct net_device *dev,
3379 struct cfg80211_gtk_rekey_data *data)
3380 {
3381 struct ieee80211_local *local = wiphy_priv(wiphy);
3382 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3383
3384 if (!local->ops->set_rekey_data)
3385 return -EOPNOTSUPP;
3386
3387 drv_set_rekey_data(local, sdata, data);
3388
3389 return 0;
3390 }
3391
3392 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3393 const u8 *peer, u64 *cookie)
3394 {
3395 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3396 struct ieee80211_local *local = sdata->local;
3397 struct ieee80211_qos_hdr *nullfunc;
3398 struct sk_buff *skb;
3399 int size = sizeof(*nullfunc);
3400 __le16 fc;
3401 bool qos;
3402 struct ieee80211_tx_info *info;
3403 struct sta_info *sta;
3404 struct ieee80211_chanctx_conf *chanctx_conf;
3405 enum nl80211_band band;
3406 int ret;
3407
3408 /* the lock is needed to assign the cookie later */
3409 mutex_lock(&local->mtx);
3410
3411 rcu_read_lock();
3412 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3413 if (WARN_ON(!chanctx_conf)) {
3414 ret = -EINVAL;
3415 goto unlock;
3416 }
3417 band = chanctx_conf->def.chan->band;
3418 sta = sta_info_get_bss(sdata, peer);
3419 if (sta) {
3420 qos = sta->sta.wme;
3421 } else {
3422 ret = -ENOLINK;
3423 goto unlock;
3424 }
3425
3426 if (qos) {
3427 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3428 IEEE80211_STYPE_QOS_NULLFUNC |
3429 IEEE80211_FCTL_FROMDS);
3430 } else {
3431 size -= 2;
3432 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3433 IEEE80211_STYPE_NULLFUNC |
3434 IEEE80211_FCTL_FROMDS);
3435 }
3436
3437 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3438 if (!skb) {
3439 ret = -ENOMEM;
3440 goto unlock;
3441 }
3442
3443 skb->dev = dev;
3444
3445 skb_reserve(skb, local->hw.extra_tx_headroom);
3446
3447 nullfunc = skb_put(skb, size);
3448 nullfunc->frame_control = fc;
3449 nullfunc->duration_id = 0;
3450 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3451 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3452 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3453 nullfunc->seq_ctrl = 0;
3454
3455 info = IEEE80211_SKB_CB(skb);
3456
3457 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3458 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3459 info->band = band;
3460
3461 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3462 skb->priority = 7;
3463 if (qos)
3464 nullfunc->qos_ctrl = cpu_to_le16(7);
3465
3466 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3467 if (ret) {
3468 kfree_skb(skb);
3469 goto unlock;
3470 }
3471
3472 local_bh_disable();
3473 ieee80211_xmit(sdata, sta, skb);
3474 local_bh_enable();
3475
3476 ret = 0;
3477 unlock:
3478 rcu_read_unlock();
3479 mutex_unlock(&local->mtx);
3480
3481 return ret;
3482 }
3483
3484 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3485 struct wireless_dev *wdev,
3486 struct cfg80211_chan_def *chandef)
3487 {
3488 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3489 struct ieee80211_local *local = wiphy_priv(wiphy);
3490 struct ieee80211_chanctx_conf *chanctx_conf;
3491 int ret = -ENODATA;
3492
3493 rcu_read_lock();
3494 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3495 if (chanctx_conf) {
3496 *chandef = sdata->vif.bss_conf.chandef;
3497 ret = 0;
3498 } else if (local->open_count > 0 &&
3499 local->open_count == local->monitors &&
3500 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3501 if (local->use_chanctx)
3502 *chandef = local->monitor_chandef;
3503 else
3504 *chandef = local->_oper_chandef;
3505 ret = 0;
3506 }
3507 rcu_read_unlock();
3508
3509 return ret;
3510 }
3511
3512 #ifdef CONFIG_PM
3513 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3514 {
3515 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3516 }
3517 #endif
3518
3519 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3520 struct net_device *dev,
3521 struct cfg80211_qos_map *qos_map)
3522 {
3523 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3524 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3525
3526 if (qos_map) {
3527 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3528 if (!new_qos_map)
3529 return -ENOMEM;
3530 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3531 } else {
3532 /* A NULL qos_map was passed to disable QoS mapping */
3533 new_qos_map = NULL;
3534 }
3535
3536 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3537 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3538 if (old_qos_map)
3539 kfree_rcu(old_qos_map, rcu_head);
3540
3541 return 0;
3542 }
3543
3544 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3545 struct net_device *dev,
3546 struct cfg80211_chan_def *chandef)
3547 {
3548 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3549 int ret;
3550 u32 changed = 0;
3551
3552 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3553 if (ret == 0)
3554 ieee80211_bss_info_change_notify(sdata, changed);
3555
3556 return ret;
3557 }
3558
3559 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3560 u8 tsid, const u8 *peer, u8 up,
3561 u16 admitted_time)
3562 {
3563 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3564 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3565 int ac = ieee802_1d_to_ac[up];
3566
3567 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3568 return -EOPNOTSUPP;
3569
3570 if (!(sdata->wmm_acm & BIT(up)))
3571 return -EINVAL;
3572
3573 if (ifmgd->tx_tspec[ac].admitted_time)
3574 return -EBUSY;
3575
3576 if (admitted_time) {
3577 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3578 ifmgd->tx_tspec[ac].tsid = tsid;
3579 ifmgd->tx_tspec[ac].up = up;
3580 }
3581
3582 return 0;
3583 }
3584
3585 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3586 u8 tsid, const u8 *peer)
3587 {
3588 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3589 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3590 struct ieee80211_local *local = wiphy_priv(wiphy);
3591 int ac;
3592
3593 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3594 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3595
3596 /* skip unused entries */
3597 if (!tx_tspec->admitted_time)
3598 continue;
3599
3600 if (tx_tspec->tsid != tsid)
3601 continue;
3602
3603 /* due to this new packets will be reassigned to non-ACM ACs */
3604 tx_tspec->up = -1;
3605
3606 /* Make sure that all packets have been sent to avoid to
3607 * restore the QoS params on packets that are still on the
3608 * queues.
3609 */
3610 synchronize_net();
3611 ieee80211_flush_queues(local, sdata, false);
3612
3613 /* restore the normal QoS parameters
3614 * (unconditionally to avoid races)
3615 */
3616 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3617 tx_tspec->downgraded = false;
3618 ieee80211_sta_handle_tspec_ac_params(sdata);
3619
3620 /* finally clear all the data */
3621 memset(tx_tspec, 0, sizeof(*tx_tspec));
3622
3623 return 0;
3624 }
3625
3626 return -ENOENT;
3627 }
3628
3629 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3630 u8 inst_id,
3631 enum nl80211_nan_func_term_reason reason,
3632 gfp_t gfp)
3633 {
3634 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3635 struct cfg80211_nan_func *func;
3636 u64 cookie;
3637
3638 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3639 return;
3640
3641 spin_lock_bh(&sdata->u.nan.func_lock);
3642
3643 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3644 if (WARN_ON(!func)) {
3645 spin_unlock_bh(&sdata->u.nan.func_lock);
3646 return;
3647 }
3648
3649 cookie = func->cookie;
3650 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3651
3652 spin_unlock_bh(&sdata->u.nan.func_lock);
3653
3654 cfg80211_free_nan_func(func);
3655
3656 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3657 reason, cookie, gfp);
3658 }
3659 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3660
3661 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3662 struct cfg80211_nan_match_params *match,
3663 gfp_t gfp)
3664 {
3665 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3666 struct cfg80211_nan_func *func;
3667
3668 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3669 return;
3670
3671 spin_lock_bh(&sdata->u.nan.func_lock);
3672
3673 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3674 if (WARN_ON(!func)) {
3675 spin_unlock_bh(&sdata->u.nan.func_lock);
3676 return;
3677 }
3678 match->cookie = func->cookie;
3679
3680 spin_unlock_bh(&sdata->u.nan.func_lock);
3681
3682 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3683 }
3684 EXPORT_SYMBOL(ieee80211_nan_func_match);
3685
3686 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3687 struct net_device *dev,
3688 const bool enabled)
3689 {
3690 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3691
3692 sdata->u.ap.multicast_to_unicast = enabled;
3693
3694 return 0;
3695 }
3696
3697 const struct cfg80211_ops mac80211_config_ops = {
3698 .add_virtual_intf = ieee80211_add_iface,
3699 .del_virtual_intf = ieee80211_del_iface,
3700 .change_virtual_intf = ieee80211_change_iface,
3701 .start_p2p_device = ieee80211_start_p2p_device,
3702 .stop_p2p_device = ieee80211_stop_p2p_device,
3703 .add_key = ieee80211_add_key,
3704 .del_key = ieee80211_del_key,
3705 .get_key = ieee80211_get_key,
3706 .set_default_key = ieee80211_config_default_key,
3707 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3708 .start_ap = ieee80211_start_ap,
3709 .change_beacon = ieee80211_change_beacon,
3710 .stop_ap = ieee80211_stop_ap,
3711 .add_station = ieee80211_add_station,
3712 .del_station = ieee80211_del_station,
3713 .change_station = ieee80211_change_station,
3714 .get_station = ieee80211_get_station,
3715 .dump_station = ieee80211_dump_station,
3716 .dump_survey = ieee80211_dump_survey,
3717 #ifdef CONFIG_MAC80211_MESH
3718 .add_mpath = ieee80211_add_mpath,
3719 .del_mpath = ieee80211_del_mpath,
3720 .change_mpath = ieee80211_change_mpath,
3721 .get_mpath = ieee80211_get_mpath,
3722 .dump_mpath = ieee80211_dump_mpath,
3723 .get_mpp = ieee80211_get_mpp,
3724 .dump_mpp = ieee80211_dump_mpp,
3725 .update_mesh_config = ieee80211_update_mesh_config,
3726 .get_mesh_config = ieee80211_get_mesh_config,
3727 .join_mesh = ieee80211_join_mesh,
3728 .leave_mesh = ieee80211_leave_mesh,
3729 #endif
3730 .join_ocb = ieee80211_join_ocb,
3731 .leave_ocb = ieee80211_leave_ocb,
3732 .change_bss = ieee80211_change_bss,
3733 .set_txq_params = ieee80211_set_txq_params,
3734 .set_monitor_channel = ieee80211_set_monitor_channel,
3735 .suspend = ieee80211_suspend,
3736 .resume = ieee80211_resume,
3737 .scan = ieee80211_scan,
3738 .abort_scan = ieee80211_abort_scan,
3739 .sched_scan_start = ieee80211_sched_scan_start,
3740 .sched_scan_stop = ieee80211_sched_scan_stop,
3741 .auth = ieee80211_auth,
3742 .assoc = ieee80211_assoc,
3743 .deauth = ieee80211_deauth,
3744 .disassoc = ieee80211_disassoc,
3745 .join_ibss = ieee80211_join_ibss,
3746 .leave_ibss = ieee80211_leave_ibss,
3747 .set_mcast_rate = ieee80211_set_mcast_rate,
3748 .set_wiphy_params = ieee80211_set_wiphy_params,
3749 .set_tx_power = ieee80211_set_tx_power,
3750 .get_tx_power = ieee80211_get_tx_power,
3751 .set_wds_peer = ieee80211_set_wds_peer,
3752 .rfkill_poll = ieee80211_rfkill_poll,
3753 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3754 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3755 .set_power_mgmt = ieee80211_set_power_mgmt,
3756 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3757 .remain_on_channel = ieee80211_remain_on_channel,
3758 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3759 .mgmt_tx = ieee80211_mgmt_tx,
3760 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3761 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3762 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
3763 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3764 .set_antenna = ieee80211_set_antenna,
3765 .get_antenna = ieee80211_get_antenna,
3766 .set_rekey_data = ieee80211_set_rekey_data,
3767 .tdls_oper = ieee80211_tdls_oper,
3768 .tdls_mgmt = ieee80211_tdls_mgmt,
3769 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3770 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3771 .probe_client = ieee80211_probe_client,
3772 .set_noack_map = ieee80211_set_noack_map,
3773 #ifdef CONFIG_PM
3774 .set_wakeup = ieee80211_set_wakeup,
3775 #endif
3776 .get_channel = ieee80211_cfg_get_channel,
3777 .start_radar_detection = ieee80211_start_radar_detection,
3778 .channel_switch = ieee80211_channel_switch,
3779 .set_qos_map = ieee80211_set_qos_map,
3780 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3781 .add_tx_ts = ieee80211_add_tx_ts,
3782 .del_tx_ts = ieee80211_del_tx_ts,
3783 .start_nan = ieee80211_start_nan,
3784 .stop_nan = ieee80211_stop_nan,
3785 .nan_change_conf = ieee80211_nan_change_conf,
3786 .add_nan_func = ieee80211_add_nan_func,
3787 .del_nan_func = ieee80211_del_nan_func,
3788 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
3789 };
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git