?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
MAINTAINERS: Update megaraid maintainers list
[linux/fpc-iii.git] / net / mac80211 / cfg.c
blobfd6541f3ade3e1342ac0fdce3ae3403de5752770
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) 2015-2016 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 struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
26 const char *name,
27 unsigned char name_assign_type,
28 enum nl80211_iftype type,
29 u32 *flags,
30 struct vif_params *params)
31 {
32 struct ieee80211_local *local = wiphy_priv(wiphy);
33 struct wireless_dev *wdev;
34 struct ieee80211_sub_if_data *sdata;
35 int err;
36
37 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
38 if (err)
39 return ERR_PTR(err);
40
41 if (type == NL80211_IFTYPE_MONITOR && flags) {
42 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
43 sdata->u.mntr.flags = *flags;
44 }
45
46 return wdev;
47 }
48
49 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
50 {
51 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
52
53 return 0;
54 }
55
56 static int ieee80211_change_iface(struct wiphy *wiphy,
57 struct net_device *dev,
58 enum nl80211_iftype type, u32 *flags,
59 struct vif_params *params)
60 {
61 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
62 int ret;
63
64 ret = ieee80211_if_change_type(sdata, type);
65 if (ret)
66 return ret;
67
68 if (type == NL80211_IFTYPE_AP_VLAN &&
69 params && params->use_4addr == 0) {
70 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
71 ieee80211_check_fast_rx_iface(sdata);
72 } else if (type == NL80211_IFTYPE_STATION &&
73 params && params->use_4addr >= 0) {
74 sdata->u.mgd.use_4addr = params->use_4addr;
75 }
76
77 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
78 struct ieee80211_local *local = sdata->local;
79 struct ieee80211_sub_if_data *monitor_sdata;
80 u32 mu_mntr_cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
81
82 monitor_sdata = rtnl_dereference(local->monitor_sdata);
83 if (monitor_sdata &&
84 wiphy_ext_feature_isset(wiphy, mu_mntr_cap_flag)) {
85 memcpy(monitor_sdata->vif.bss_conf.mu_group.membership,
86 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
87 memcpy(monitor_sdata->vif.bss_conf.mu_group.position,
88 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
89 WLAN_USER_POSITION_LEN);
90 monitor_sdata->vif.mu_mimo_owner = true;
91 ieee80211_bss_info_change_notify(monitor_sdata,
92 BSS_CHANGED_MU_GROUPS);
93
94 ether_addr_copy(monitor_sdata->u.mntr.mu_follow_addr,
95 params->macaddr);
96 }
97
98 if (!flags)
99 return 0;
100
101 if (ieee80211_sdata_running(sdata)) {
102 u32 mask = MONITOR_FLAG_COOK_FRAMES |
103 MONITOR_FLAG_ACTIVE;
104
105 /*
106 * Prohibit MONITOR_FLAG_COOK_FRAMES and
107 * MONITOR_FLAG_ACTIVE to be changed while the
108 * interface is up.
109 * Else we would need to add a lot of cruft
110 * to update everything:
111 * cooked_mntrs, monitor and all fif_* counters
112 * reconfigure hardware
113 */
114 if ((*flags & mask) != (sdata->u.mntr.flags & mask))
115 return -EBUSY;
116
117 ieee80211_adjust_monitor_flags(sdata, -1);
118 sdata->u.mntr.flags = *flags;
119 ieee80211_adjust_monitor_flags(sdata, 1);
120
121 ieee80211_configure_filter(local);
122 } else {
123 /*
124 * Because the interface is down, ieee80211_do_stop
125 * and ieee80211_do_open take care of "everything"
126 * mentioned in the comment above.
127 */
128 sdata->u.mntr.flags = *flags;
129 }
130 }
131
132 return 0;
133 }
134
135 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
136 struct wireless_dev *wdev)
137 {
138 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
139 int ret;
140
141 mutex_lock(&sdata->local->chanctx_mtx);
142 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
143 mutex_unlock(&sdata->local->chanctx_mtx);
144 if (ret < 0)
145 return ret;
146
147 return ieee80211_do_open(wdev, true);
148 }
149
150 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
151 struct wireless_dev *wdev)
152 {
153 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
154 }
155
156 static int ieee80211_start_nan(struct wiphy *wiphy,
157 struct wireless_dev *wdev,
158 struct cfg80211_nan_conf *conf)
159 {
160 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
161 int ret;
162
163 mutex_lock(&sdata->local->chanctx_mtx);
164 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
165 mutex_unlock(&sdata->local->chanctx_mtx);
166 if (ret < 0)
167 return ret;
168
169 ret = ieee80211_do_open(wdev, true);
170 if (ret)
171 return ret;
172
173 ret = drv_start_nan(sdata->local, sdata, conf);
174 if (ret)
175 ieee80211_sdata_stop(sdata);
176
177 sdata->u.nan.conf = *conf;
178
179 return ret;
180 }
181
182 static void ieee80211_stop_nan(struct wiphy *wiphy,
183 struct wireless_dev *wdev)
184 {
185 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
186
187 drv_stop_nan(sdata->local, sdata);
188 ieee80211_sdata_stop(sdata);
189 }
190
191 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
192 struct wireless_dev *wdev,
193 struct cfg80211_nan_conf *conf,
194 u32 changes)
195 {
196 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
197 struct cfg80211_nan_conf new_conf;
198 int ret = 0;
199
200 if (sdata->vif.type != NL80211_IFTYPE_NAN)
201 return -EOPNOTSUPP;
202
203 if (!ieee80211_sdata_running(sdata))
204 return -ENETDOWN;
205
206 new_conf = sdata->u.nan.conf;
207
208 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
209 new_conf.master_pref = conf->master_pref;
210
211 if (changes & CFG80211_NAN_CONF_CHANGED_DUAL)
212 new_conf.dual = conf->dual;
213
214 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
215 if (!ret)
216 sdata->u.nan.conf = new_conf;
217
218 return ret;
219 }
220
221 static int ieee80211_add_nan_func(struct wiphy *wiphy,
222 struct wireless_dev *wdev,
223 struct cfg80211_nan_func *nan_func)
224 {
225 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
226 int ret;
227
228 if (sdata->vif.type != NL80211_IFTYPE_NAN)
229 return -EOPNOTSUPP;
230
231 if (!ieee80211_sdata_running(sdata))
232 return -ENETDOWN;
233
234 spin_lock_bh(&sdata->u.nan.func_lock);
235
236 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
237 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
238 GFP_ATOMIC);
239 spin_unlock_bh(&sdata->u.nan.func_lock);
240
241 if (ret < 0)
242 return ret;
243
244 nan_func->instance_id = ret;
245
246 WARN_ON(nan_func->instance_id == 0);
247
248 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
249 if (ret) {
250 spin_lock_bh(&sdata->u.nan.func_lock);
251 idr_remove(&sdata->u.nan.function_inst_ids,
252 nan_func->instance_id);
253 spin_unlock_bh(&sdata->u.nan.func_lock);
254 }
255
256 return ret;
257 }
258
259 static struct cfg80211_nan_func *
260 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
261 u64 cookie)
262 {
263 struct cfg80211_nan_func *func;
264 int id;
265
266 lockdep_assert_held(&sdata->u.nan.func_lock);
267
268 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
269 if (func->cookie == cookie)
270 return func;
271 }
272
273 return NULL;
274 }
275
276 static void ieee80211_del_nan_func(struct wiphy *wiphy,
277 struct wireless_dev *wdev, u64 cookie)
278 {
279 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
280 struct cfg80211_nan_func *func;
281 u8 instance_id = 0;
282
283 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
284 !ieee80211_sdata_running(sdata))
285 return;
286
287 spin_lock_bh(&sdata->u.nan.func_lock);
288
289 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
290 if (func)
291 instance_id = func->instance_id;
292
293 spin_unlock_bh(&sdata->u.nan.func_lock);
294
295 if (instance_id)
296 drv_del_nan_func(sdata->local, sdata, instance_id);
297 }
298
299 static int ieee80211_set_noack_map(struct wiphy *wiphy,
300 struct net_device *dev,
301 u16 noack_map)
302 {
303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
304
305 sdata->noack_map = noack_map;
306
307 ieee80211_check_fast_xmit_iface(sdata);
308
309 return 0;
310 }
311
312 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
313 u8 key_idx, bool pairwise, const u8 *mac_addr,
314 struct key_params *params)
315 {
316 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
317 struct ieee80211_local *local = sdata->local;
318 struct sta_info *sta = NULL;
319 const struct ieee80211_cipher_scheme *cs = NULL;
320 struct ieee80211_key *key;
321 int err;
322
323 if (!ieee80211_sdata_running(sdata))
324 return -ENETDOWN;
325
326 /* reject WEP and TKIP keys if WEP failed to initialize */
327 switch (params->cipher) {
328 case WLAN_CIPHER_SUITE_WEP40:
329 case WLAN_CIPHER_SUITE_TKIP:
330 case WLAN_CIPHER_SUITE_WEP104:
331 if (IS_ERR(local->wep_tx_tfm))
332 return -EINVAL;
333 break;
334 case WLAN_CIPHER_SUITE_CCMP:
335 case WLAN_CIPHER_SUITE_CCMP_256:
336 case WLAN_CIPHER_SUITE_AES_CMAC:
337 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
338 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
339 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
340 case WLAN_CIPHER_SUITE_GCMP:
341 case WLAN_CIPHER_SUITE_GCMP_256:
342 break;
343 default:
344 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
345 break;
346 }
347
348 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
349 params->key, params->seq_len, params->seq,
350 cs);
351 if (IS_ERR(key))
352 return PTR_ERR(key);
353
354 if (pairwise)
355 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
356
357 mutex_lock(&local->sta_mtx);
358
359 if (mac_addr) {
360 if (ieee80211_vif_is_mesh(&sdata->vif))
361 sta = sta_info_get(sdata, mac_addr);
362 else
363 sta = sta_info_get_bss(sdata, mac_addr);
364 /*
365 * The ASSOC test makes sure the driver is ready to
366 * receive the key. When wpa_supplicant has roamed
367 * using FT, it attempts to set the key before
368 * association has completed, this rejects that attempt
369 * so it will set the key again after association.
370 *
371 * TODO: accept the key if we have a station entry and
372 * add it to the device after the station.
373 */
374 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
375 ieee80211_key_free_unused(key);
376 err = -ENOENT;
377 goto out_unlock;
378 }
379 }
380
381 switch (sdata->vif.type) {
382 case NL80211_IFTYPE_STATION:
383 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
384 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
385 break;
386 case NL80211_IFTYPE_AP:
387 case NL80211_IFTYPE_AP_VLAN:
388 /* Keys without a station are used for TX only */
389 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
390 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
391 break;
392 case NL80211_IFTYPE_ADHOC:
393 /* no MFP (yet) */
394 break;
395 case NL80211_IFTYPE_MESH_POINT:
396 #ifdef CONFIG_MAC80211_MESH
397 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
398 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
399 break;
400 #endif
401 case NL80211_IFTYPE_WDS:
402 case NL80211_IFTYPE_MONITOR:
403 case NL80211_IFTYPE_P2P_DEVICE:
404 case NL80211_IFTYPE_NAN:
405 case NL80211_IFTYPE_UNSPECIFIED:
406 case NUM_NL80211_IFTYPES:
407 case NL80211_IFTYPE_P2P_CLIENT:
408 case NL80211_IFTYPE_P2P_GO:
409 case NL80211_IFTYPE_OCB:
410 /* shouldn't happen */
411 WARN_ON_ONCE(1);
412 break;
413 }
414
415 if (sta)
416 sta->cipher_scheme = cs;
417
418 err = ieee80211_key_link(key, sdata, sta);
419
420 out_unlock:
421 mutex_unlock(&local->sta_mtx);
422
423 return err;
424 }
425
426 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
427 u8 key_idx, bool pairwise, const u8 *mac_addr)
428 {
429 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
430 struct ieee80211_local *local = sdata->local;
431 struct sta_info *sta;
432 struct ieee80211_key *key = NULL;
433 int ret;
434
435 mutex_lock(&local->sta_mtx);
436 mutex_lock(&local->key_mtx);
437
438 if (mac_addr) {
439 ret = -ENOENT;
440
441 sta = sta_info_get_bss(sdata, mac_addr);
442 if (!sta)
443 goto out_unlock;
444
445 if (pairwise)
446 key = key_mtx_dereference(local, sta->ptk[key_idx]);
447 else
448 key = key_mtx_dereference(local, sta->gtk[key_idx]);
449 } else
450 key = key_mtx_dereference(local, sdata->keys[key_idx]);
451
452 if (!key) {
453 ret = -ENOENT;
454 goto out_unlock;
455 }
456
457 ieee80211_key_free(key, true);
458
459 ret = 0;
460 out_unlock:
461 mutex_unlock(&local->key_mtx);
462 mutex_unlock(&local->sta_mtx);
463
464 return ret;
465 }
466
467 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
468 u8 key_idx, bool pairwise, const u8 *mac_addr,
469 void *cookie,
470 void (*callback)(void *cookie,
471 struct key_params *params))
472 {
473 struct ieee80211_sub_if_data *sdata;
474 struct sta_info *sta = NULL;
475 u8 seq[6] = {0};
476 struct key_params params;
477 struct ieee80211_key *key = NULL;
478 u64 pn64;
479 u32 iv32;
480 u16 iv16;
481 int err = -ENOENT;
482 struct ieee80211_key_seq kseq = {};
483
484 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
485
486 rcu_read_lock();
487
488 if (mac_addr) {
489 sta = sta_info_get_bss(sdata, mac_addr);
490 if (!sta)
491 goto out;
492
493 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
494 key = rcu_dereference(sta->ptk[key_idx]);
495 else if (!pairwise &&
496 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
497 key = rcu_dereference(sta->gtk[key_idx]);
498 } else
499 key = rcu_dereference(sdata->keys[key_idx]);
500
501 if (!key)
502 goto out;
503
504 memset(&params, 0, sizeof(params));
505
506 params.cipher = key->conf.cipher;
507
508 switch (key->conf.cipher) {
509 case WLAN_CIPHER_SUITE_TKIP:
510 pn64 = atomic64_read(&key->conf.tx_pn);
511 iv32 = TKIP_PN_TO_IV32(pn64);
512 iv16 = TKIP_PN_TO_IV16(pn64);
513
514 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
515 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
516 drv_get_key_seq(sdata->local, key, &kseq);
517 iv32 = kseq.tkip.iv32;
518 iv16 = kseq.tkip.iv16;
519 }
520
521 seq[0] = iv16 & 0xff;
522 seq[1] = (iv16 >> 8) & 0xff;
523 seq[2] = iv32 & 0xff;
524 seq[3] = (iv32 >> 8) & 0xff;
525 seq[4] = (iv32 >> 16) & 0xff;
526 seq[5] = (iv32 >> 24) & 0xff;
527 params.seq = seq;
528 params.seq_len = 6;
529 break;
530 case WLAN_CIPHER_SUITE_CCMP:
531 case WLAN_CIPHER_SUITE_CCMP_256:
532 case WLAN_CIPHER_SUITE_AES_CMAC:
533 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
534 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
535 offsetof(typeof(kseq), aes_cmac));
536 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
537 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
538 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
539 offsetof(typeof(kseq), aes_gmac));
540 case WLAN_CIPHER_SUITE_GCMP:
541 case WLAN_CIPHER_SUITE_GCMP_256:
542 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
543 offsetof(typeof(kseq), gcmp));
544
545 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
546 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
547 drv_get_key_seq(sdata->local, key, &kseq);
548 memcpy(seq, kseq.ccmp.pn, 6);
549 } else {
550 pn64 = atomic64_read(&key->conf.tx_pn);
551 seq[0] = pn64;
552 seq[1] = pn64 >> 8;
553 seq[2] = pn64 >> 16;
554 seq[3] = pn64 >> 24;
555 seq[4] = pn64 >> 32;
556 seq[5] = pn64 >> 40;
557 }
558 params.seq = seq;
559 params.seq_len = 6;
560 break;
561 default:
562 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
563 break;
564 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
565 break;
566 drv_get_key_seq(sdata->local, key, &kseq);
567 params.seq = kseq.hw.seq;
568 params.seq_len = kseq.hw.seq_len;
569 break;
570 }
571
572 params.key = key->conf.key;
573 params.key_len = key->conf.keylen;
574
575 callback(cookie, &params);
576 err = 0;
577
578 out:
579 rcu_read_unlock();
580 return err;
581 }
582
583 static int ieee80211_config_default_key(struct wiphy *wiphy,
584 struct net_device *dev,
585 u8 key_idx, bool uni,
586 bool multi)
587 {
588 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
589
590 ieee80211_set_default_key(sdata, key_idx, uni, multi);
591
592 return 0;
593 }
594
595 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
596 struct net_device *dev,
597 u8 key_idx)
598 {
599 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
600
601 ieee80211_set_default_mgmt_key(sdata, key_idx);
602
603 return 0;
604 }
605
606 void sta_set_rate_info_tx(struct sta_info *sta,
607 const struct ieee80211_tx_rate *rate,
608 struct rate_info *rinfo)
609 {
610 rinfo->flags = 0;
611 if (rate->flags & IEEE80211_TX_RC_MCS) {
612 rinfo->flags |= RATE_INFO_FLAGS_MCS;
613 rinfo->mcs = rate->idx;
614 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
615 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
616 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
617 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
618 } else {
619 struct ieee80211_supported_band *sband;
620 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
621 u16 brate;
622
623 sband = sta->local->hw.wiphy->bands[
624 ieee80211_get_sdata_band(sta->sdata)];
625 brate = sband->bitrates[rate->idx].bitrate;
626 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
627 }
628 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
629 rinfo->bw = RATE_INFO_BW_40;
630 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
631 rinfo->bw = RATE_INFO_BW_80;
632 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
633 rinfo->bw = RATE_INFO_BW_160;
634 else
635 rinfo->bw = RATE_INFO_BW_20;
636 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
637 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
638 }
639
640 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
641 int idx, u8 *mac, struct station_info *sinfo)
642 {
643 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
644 struct ieee80211_local *local = sdata->local;
645 struct sta_info *sta;
646 int ret = -ENOENT;
647
648 mutex_lock(&local->sta_mtx);
649
650 sta = sta_info_get_by_idx(sdata, idx);
651 if (sta) {
652 ret = 0;
653 memcpy(mac, sta->sta.addr, ETH_ALEN);
654 sta_set_sinfo(sta, sinfo);
655 }
656
657 mutex_unlock(&local->sta_mtx);
658
659 return ret;
660 }
661
662 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
663 int idx, struct survey_info *survey)
664 {
665 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
666
667 return drv_get_survey(local, idx, survey);
668 }
669
670 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
671 const u8 *mac, struct station_info *sinfo)
672 {
673 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
674 struct ieee80211_local *local = sdata->local;
675 struct sta_info *sta;
676 int ret = -ENOENT;
677
678 mutex_lock(&local->sta_mtx);
679
680 sta = sta_info_get_bss(sdata, mac);
681 if (sta) {
682 ret = 0;
683 sta_set_sinfo(sta, sinfo);
684 }
685
686 mutex_unlock(&local->sta_mtx);
687
688 return ret;
689 }
690
691 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
692 struct cfg80211_chan_def *chandef)
693 {
694 struct ieee80211_local *local = wiphy_priv(wiphy);
695 struct ieee80211_sub_if_data *sdata;
696 int ret = 0;
697
698 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
699 return 0;
700
701 mutex_lock(&local->mtx);
702 mutex_lock(&local->iflist_mtx);
703 if (local->use_chanctx) {
704 sdata = rcu_dereference_protected(
705 local->monitor_sdata,
706 lockdep_is_held(&local->iflist_mtx));
707 if (sdata) {
708 ieee80211_vif_release_channel(sdata);
709 ret = ieee80211_vif_use_channel(sdata, chandef,
710 IEEE80211_CHANCTX_EXCLUSIVE);
711 }
712 } else if (local->open_count == local->monitors) {
713 local->_oper_chandef = *chandef;
714 ieee80211_hw_config(local, 0);
715 }
716
717 if (ret == 0)
718 local->monitor_chandef = *chandef;
719 mutex_unlock(&local->iflist_mtx);
720 mutex_unlock(&local->mtx);
721
722 return ret;
723 }
724
725 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
726 const u8 *resp, size_t resp_len,
727 const struct ieee80211_csa_settings *csa)
728 {
729 struct probe_resp *new, *old;
730
731 if (!resp || !resp_len)
732 return 1;
733
734 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
735
736 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
737 if (!new)
738 return -ENOMEM;
739
740 new->len = resp_len;
741 memcpy(new->data, resp, resp_len);
742
743 if (csa)
744 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
745 csa->n_counter_offsets_presp *
746 sizeof(new->csa_counter_offsets[0]));
747
748 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
749 if (old)
750 kfree_rcu(old, rcu_head);
751
752 return 0;
753 }
754
755 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
756 struct cfg80211_beacon_data *params,
757 const struct ieee80211_csa_settings *csa)
758 {
759 struct beacon_data *new, *old;
760 int new_head_len, new_tail_len;
761 int size, err;
762 u32 changed = BSS_CHANGED_BEACON;
763
764 old = sdata_dereference(sdata->u.ap.beacon, sdata);
765
766
767 /* Need to have a beacon head if we don't have one yet */
768 if (!params->head && !old)
769 return -EINVAL;
770
771 /* new or old head? */
772 if (params->head)
773 new_head_len = params->head_len;
774 else
775 new_head_len = old->head_len;
776
777 /* new or old tail? */
778 if (params->tail || !old)
779 /* params->tail_len will be zero for !params->tail */
780 new_tail_len = params->tail_len;
781 else
782 new_tail_len = old->tail_len;
783
784 size = sizeof(*new) + new_head_len + new_tail_len;
785
786 new = kzalloc(size, GFP_KERNEL);
787 if (!new)
788 return -ENOMEM;
789
790 /* start filling the new info now */
791
792 /*
793 * pointers go into the block we allocated,
794 * memory is | beacon_data | head | tail |
795 */
796 new->head = ((u8 *) new) + sizeof(*new);
797 new->tail = new->head + new_head_len;
798 new->head_len = new_head_len;
799 new->tail_len = new_tail_len;
800
801 if (csa) {
802 new->csa_current_counter = csa->count;
803 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
804 csa->n_counter_offsets_beacon *
805 sizeof(new->csa_counter_offsets[0]));
806 }
807
808 /* copy in head */
809 if (params->head)
810 memcpy(new->head, params->head, new_head_len);
811 else
812 memcpy(new->head, old->head, new_head_len);
813
814 /* copy in optional tail */
815 if (params->tail)
816 memcpy(new->tail, params->tail, new_tail_len);
817 else
818 if (old)
819 memcpy(new->tail, old->tail, new_tail_len);
820
821 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
822 params->probe_resp_len, csa);
823 if (err < 0)
824 return err;
825 if (err == 0)
826 changed |= BSS_CHANGED_AP_PROBE_RESP;
827
828 rcu_assign_pointer(sdata->u.ap.beacon, new);
829
830 if (old)
831 kfree_rcu(old, rcu_head);
832
833 return changed;
834 }
835
836 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
837 struct cfg80211_ap_settings *params)
838 {
839 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
840 struct ieee80211_local *local = sdata->local;
841 struct beacon_data *old;
842 struct ieee80211_sub_if_data *vlan;
843 u32 changed = BSS_CHANGED_BEACON_INT |
844 BSS_CHANGED_BEACON_ENABLED |
845 BSS_CHANGED_BEACON |
846 BSS_CHANGED_SSID |
847 BSS_CHANGED_P2P_PS |
848 BSS_CHANGED_TXPOWER;
849 int err;
850
851 old = sdata_dereference(sdata->u.ap.beacon, sdata);
852 if (old)
853 return -EALREADY;
854
855 switch (params->smps_mode) {
856 case NL80211_SMPS_OFF:
857 sdata->smps_mode = IEEE80211_SMPS_OFF;
858 break;
859 case NL80211_SMPS_STATIC:
860 sdata->smps_mode = IEEE80211_SMPS_STATIC;
861 break;
862 case NL80211_SMPS_DYNAMIC:
863 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
864 break;
865 default:
866 return -EINVAL;
867 }
868 sdata->needed_rx_chains = sdata->local->rx_chains;
869
870 mutex_lock(&local->mtx);
871 err = ieee80211_vif_use_channel(sdata, &params->chandef,
872 IEEE80211_CHANCTX_SHARED);
873 if (!err)
874 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
875 mutex_unlock(&local->mtx);
876 if (err)
877 return err;
878
879 /*
880 * Apply control port protocol, this allows us to
881 * not encrypt dynamic WEP control frames.
882 */
883 sdata->control_port_protocol = params->crypto.control_port_ethertype;
884 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
885 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
886 &params->crypto,
887 sdata->vif.type);
888
889 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
890 vlan->control_port_protocol =
891 params->crypto.control_port_ethertype;
892 vlan->control_port_no_encrypt =
893 params->crypto.control_port_no_encrypt;
894 vlan->encrypt_headroom =
895 ieee80211_cs_headroom(sdata->local,
896 &params->crypto,
897 vlan->vif.type);
898 }
899
900 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
901 sdata->vif.bss_conf.dtim_period = params->dtim_period;
902 sdata->vif.bss_conf.enable_beacon = true;
903 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
904
905 sdata->vif.bss_conf.ssid_len = params->ssid_len;
906 if (params->ssid_len)
907 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
908 params->ssid_len);
909 sdata->vif.bss_conf.hidden_ssid =
910 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
911
912 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
913 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
914 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
915 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
916 if (params->p2p_opp_ps)
917 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
918 IEEE80211_P2P_OPPPS_ENABLE_BIT;
919
920 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
921 if (err < 0) {
922 ieee80211_vif_release_channel(sdata);
923 return err;
924 }
925 changed |= err;
926
927 err = drv_start_ap(sdata->local, sdata);
928 if (err) {
929 old = sdata_dereference(sdata->u.ap.beacon, sdata);
930
931 if (old)
932 kfree_rcu(old, rcu_head);
933 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
934 ieee80211_vif_release_channel(sdata);
935 return err;
936 }
937
938 ieee80211_recalc_dtim(local, sdata);
939 ieee80211_bss_info_change_notify(sdata, changed);
940
941 netif_carrier_on(dev);
942 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
943 netif_carrier_on(vlan->dev);
944
945 return 0;
946 }
947
948 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
949 struct cfg80211_beacon_data *params)
950 {
951 struct ieee80211_sub_if_data *sdata;
952 struct beacon_data *old;
953 int err;
954
955 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
956 sdata_assert_lock(sdata);
957
958 /* don't allow changing the beacon while CSA is in place - offset
959 * of channel switch counter may change
960 */
961 if (sdata->vif.csa_active)
962 return -EBUSY;
963
964 old = sdata_dereference(sdata->u.ap.beacon, sdata);
965 if (!old)
966 return -ENOENT;
967
968 err = ieee80211_assign_beacon(sdata, params, NULL);
969 if (err < 0)
970 return err;
971 ieee80211_bss_info_change_notify(sdata, err);
972 return 0;
973 }
974
975 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
976 {
977 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
978 struct ieee80211_sub_if_data *vlan;
979 struct ieee80211_local *local = sdata->local;
980 struct beacon_data *old_beacon;
981 struct probe_resp *old_probe_resp;
982 struct cfg80211_chan_def chandef;
983
984 sdata_assert_lock(sdata);
985
986 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
987 if (!old_beacon)
988 return -ENOENT;
989 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
990
991 /* abort any running channel switch */
992 mutex_lock(&local->mtx);
993 sdata->vif.csa_active = false;
994 if (sdata->csa_block_tx) {
995 ieee80211_wake_vif_queues(local, sdata,
996 IEEE80211_QUEUE_STOP_REASON_CSA);
997 sdata->csa_block_tx = false;
998 }
999
1000 mutex_unlock(&local->mtx);
1001
1002 kfree(sdata->u.ap.next_beacon);
1003 sdata->u.ap.next_beacon = NULL;
1004
1005 /* turn off carrier for this interface and dependent VLANs */
1006 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1007 netif_carrier_off(vlan->dev);
1008 netif_carrier_off(dev);
1009
1010 /* remove beacon and probe response */
1011 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1012 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1013 kfree_rcu(old_beacon, rcu_head);
1014 if (old_probe_resp)
1015 kfree_rcu(old_probe_resp, rcu_head);
1016 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1017
1018 __sta_info_flush(sdata, true);
1019 ieee80211_free_keys(sdata, true);
1020
1021 sdata->vif.bss_conf.enable_beacon = false;
1022 sdata->vif.bss_conf.ssid_len = 0;
1023 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1024 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1025
1026 if (sdata->wdev.cac_started) {
1027 chandef = sdata->vif.bss_conf.chandef;
1028 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1029 cfg80211_cac_event(sdata->dev, &chandef,
1030 NL80211_RADAR_CAC_ABORTED,
1031 GFP_KERNEL);
1032 }
1033
1034 drv_stop_ap(sdata->local, sdata);
1035
1036 /* free all potentially still buffered bcast frames */
1037 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1038 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1039
1040 mutex_lock(&local->mtx);
1041 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1042 ieee80211_vif_release_channel(sdata);
1043 mutex_unlock(&local->mtx);
1044
1045 return 0;
1046 }
1047
1048 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1049 struct iapp_layer2_update {
1050 u8 da[ETH_ALEN]; /* broadcast */
1051 u8 sa[ETH_ALEN]; /* STA addr */
1052 __be16 len; /* 6 */
1053 u8 dsap; /* 0 */
1054 u8 ssap; /* 0 */
1055 u8 control;
1056 u8 xid_info[3];
1057 } __packed;
1058
1059 static void ieee80211_send_layer2_update(struct sta_info *sta)
1060 {
1061 struct iapp_layer2_update *msg;
1062 struct sk_buff *skb;
1063
1064 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1065 * bridge devices */
1066
1067 skb = dev_alloc_skb(sizeof(*msg));
1068 if (!skb)
1069 return;
1070 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1071
1072 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1073 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1074
1075 eth_broadcast_addr(msg->da);
1076 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1077 msg->len = htons(6);
1078 msg->dsap = 0;
1079 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1080 msg->control = 0xaf; /* XID response lsb.1111F101.
1081 * F=0 (no poll command; unsolicited frame) */
1082 msg->xid_info[0] = 0x81; /* XID format identifier */
1083 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1084 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1085
1086 skb->dev = sta->sdata->dev;
1087 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1088 memset(skb->cb, 0, sizeof(skb->cb));
1089 netif_rx_ni(skb);
1090 }
1091
1092 static int sta_apply_auth_flags(struct ieee80211_local *local,
1093 struct sta_info *sta,
1094 u32 mask, u32 set)
1095 {
1096 int ret;
1097
1098 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1099 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1100 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1101 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1102 if (ret)
1103 return ret;
1104 }
1105
1106 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1107 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1108 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1109 /*
1110 * When peer becomes associated, init rate control as
1111 * well. Some drivers require rate control initialized
1112 * before drv_sta_state() is called.
1113 */
1114 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1115 rate_control_rate_init(sta);
1116
1117 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1118 if (ret)
1119 return ret;
1120 }
1121
1122 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1123 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1124 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1125 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1126 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1127 else
1128 ret = 0;
1129 if (ret)
1130 return ret;
1131 }
1132
1133 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1134 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1135 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1136 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1137 if (ret)
1138 return ret;
1139 }
1140
1141 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1142 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1143 test_sta_flag(sta, WLAN_STA_AUTH)) {
1144 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1145 if (ret)
1146 return ret;
1147 }
1148
1149 return 0;
1150 }
1151
1152 static void sta_apply_mesh_params(struct ieee80211_local *local,
1153 struct sta_info *sta,
1154 struct station_parameters *params)
1155 {
1156 #ifdef CONFIG_MAC80211_MESH
1157 struct ieee80211_sub_if_data *sdata = sta->sdata;
1158 u32 changed = 0;
1159
1160 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1161 switch (params->plink_state) {
1162 case NL80211_PLINK_ESTAB:
1163 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1164 changed = mesh_plink_inc_estab_count(sdata);
1165 sta->mesh->plink_state = params->plink_state;
1166 sta->mesh->aid = params->peer_aid;
1167
1168 ieee80211_mps_sta_status_update(sta);
1169 changed |= ieee80211_mps_set_sta_local_pm(sta,
1170 sdata->u.mesh.mshcfg.power_mode);
1171 break;
1172 case NL80211_PLINK_LISTEN:
1173 case NL80211_PLINK_BLOCKED:
1174 case NL80211_PLINK_OPN_SNT:
1175 case NL80211_PLINK_OPN_RCVD:
1176 case NL80211_PLINK_CNF_RCVD:
1177 case NL80211_PLINK_HOLDING:
1178 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1179 changed = mesh_plink_dec_estab_count(sdata);
1180 sta->mesh->plink_state = params->plink_state;
1181
1182 ieee80211_mps_sta_status_update(sta);
1183 changed |= ieee80211_mps_set_sta_local_pm(sta,
1184 NL80211_MESH_POWER_UNKNOWN);
1185 break;
1186 default:
1187 /* nothing */
1188 break;
1189 }
1190 }
1191
1192 switch (params->plink_action) {
1193 case NL80211_PLINK_ACTION_NO_ACTION:
1194 /* nothing */
1195 break;
1196 case NL80211_PLINK_ACTION_OPEN:
1197 changed |= mesh_plink_open(sta);
1198 break;
1199 case NL80211_PLINK_ACTION_BLOCK:
1200 changed |= mesh_plink_block(sta);
1201 break;
1202 }
1203
1204 if (params->local_pm)
1205 changed |= ieee80211_mps_set_sta_local_pm(sta,
1206 params->local_pm);
1207
1208 ieee80211_mbss_info_change_notify(sdata, changed);
1209 #endif
1210 }
1211
1212 static int sta_apply_parameters(struct ieee80211_local *local,
1213 struct sta_info *sta,
1214 struct station_parameters *params)
1215 {
1216 int ret = 0;
1217 struct ieee80211_supported_band *sband;
1218 struct ieee80211_sub_if_data *sdata = sta->sdata;
1219 enum nl80211_band band = ieee80211_get_sdata_band(sdata);
1220 u32 mask, set;
1221
1222 sband = local->hw.wiphy->bands[band];
1223
1224 mask = params->sta_flags_mask;
1225 set = params->sta_flags_set;
1226
1227 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1228 /*
1229 * In mesh mode, ASSOCIATED isn't part of the nl80211
1230 * API but must follow AUTHENTICATED for driver state.
1231 */
1232 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1233 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1234 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1235 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1236 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1237 /*
1238 * TDLS -- everything follows authorized, but
1239 * only becoming authorized is possible, not
1240 * going back
1241 */
1242 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1243 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1244 BIT(NL80211_STA_FLAG_ASSOCIATED);
1245 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1246 BIT(NL80211_STA_FLAG_ASSOCIATED);
1247 }
1248 }
1249
1250 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1251 local->hw.queues >= IEEE80211_NUM_ACS)
1252 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1253
1254 /* auth flags will be set later for TDLS,
1255 * and for unassociated stations that move to assocaited */
1256 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1257 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1258 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1259 ret = sta_apply_auth_flags(local, sta, mask, set);
1260 if (ret)
1261 return ret;
1262 }
1263
1264 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1265 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1266 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1267 else
1268 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1269 }
1270
1271 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1272 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1273 if (set & BIT(NL80211_STA_FLAG_MFP))
1274 set_sta_flag(sta, WLAN_STA_MFP);
1275 else
1276 clear_sta_flag(sta, WLAN_STA_MFP);
1277 }
1278
1279 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1280 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1281 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1282 else
1283 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1284 }
1285
1286 /* mark TDLS channel switch support, if the AP allows it */
1287 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1288 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1289 params->ext_capab_len >= 4 &&
1290 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1291 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1292
1293 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1294 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1295 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1296 params->ext_capab_len >= 8 &&
1297 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1298 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1299
1300 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1301 sta->sta.uapsd_queues = params->uapsd_queues;
1302 sta->sta.max_sp = params->max_sp;
1303 }
1304
1305 /* The sender might not have sent the last bit, consider it to be 0 */
1306 if (params->ext_capab_len >= 8) {
1307 u8 val = (params->ext_capab[7] &
1308 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1309
1310 /* we did get all the bits, take the MSB as well */
1311 if (params->ext_capab_len >= 9) {
1312 u8 val_msb = params->ext_capab[8] &
1313 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1314 val_msb <<= 1;
1315 val |= val_msb;
1316 }
1317
1318 switch (val) {
1319 case 1:
1320 sta->sta.max_amsdu_subframes = 32;
1321 break;
1322 case 2:
1323 sta->sta.max_amsdu_subframes = 16;
1324 break;
1325 case 3:
1326 sta->sta.max_amsdu_subframes = 8;
1327 break;
1328 default:
1329 sta->sta.max_amsdu_subframes = 0;
1330 }
1331 }
1332
1333 /*
1334 * cfg80211 validates this (1-2007) and allows setting the AID
1335 * only when creating a new station entry
1336 */
1337 if (params->aid)
1338 sta->sta.aid = params->aid;
1339
1340 /*
1341 * Some of the following updates would be racy if called on an
1342 * existing station, via ieee80211_change_station(). However,
1343 * all such changes are rejected by cfg80211 except for updates
1344 * changing the supported rates on an existing but not yet used
1345 * TDLS peer.
1346 */
1347
1348 if (params->listen_interval >= 0)
1349 sta->listen_interval = params->listen_interval;
1350
1351 if (params->supported_rates) {
1352 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1353 sband, params->supported_rates,
1354 params->supported_rates_len,
1355 &sta->sta.supp_rates[band]);
1356 }
1357
1358 if (params->ht_capa)
1359 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1360 params->ht_capa, sta);
1361
1362 /* VHT can override some HT caps such as the A-MSDU max length */
1363 if (params->vht_capa)
1364 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1365 params->vht_capa, sta);
1366
1367 if (params->opmode_notif_used) {
1368 /* returned value is only needed for rc update, but the
1369 * rc isn't initialized here yet, so ignore it
1370 */
1371 __ieee80211_vht_handle_opmode(sdata, sta,
1372 params->opmode_notif, band);
1373 }
1374
1375 if (params->support_p2p_ps >= 0)
1376 sta->sta.support_p2p_ps = params->support_p2p_ps;
1377
1378 if (ieee80211_vif_is_mesh(&sdata->vif))
1379 sta_apply_mesh_params(local, sta, params);
1380
1381 /* set the STA state after all sta info from usermode has been set */
1382 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1383 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1384 ret = sta_apply_auth_flags(local, sta, mask, set);
1385 if (ret)
1386 return ret;
1387 }
1388
1389 return 0;
1390 }
1391
1392 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1393 const u8 *mac,
1394 struct station_parameters *params)
1395 {
1396 struct ieee80211_local *local = wiphy_priv(wiphy);
1397 struct sta_info *sta;
1398 struct ieee80211_sub_if_data *sdata;
1399 int err;
1400 int layer2_update;
1401
1402 if (params->vlan) {
1403 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1404
1405 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1406 sdata->vif.type != NL80211_IFTYPE_AP)
1407 return -EINVAL;
1408 } else
1409 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1410
1411 if (ether_addr_equal(mac, sdata->vif.addr))
1412 return -EINVAL;
1413
1414 if (is_multicast_ether_addr(mac))
1415 return -EINVAL;
1416
1417 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1418 if (!sta)
1419 return -ENOMEM;
1420
1421 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1422 sta->sta.tdls = true;
1423
1424 err = sta_apply_parameters(local, sta, params);
1425 if (err) {
1426 sta_info_free(local, sta);
1427 return err;
1428 }
1429
1430 /*
1431 * for TDLS and for unassociated station, rate control should be
1432 * initialized only when rates are known and station is marked
1433 * authorized/associated
1434 */
1435 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1436 test_sta_flag(sta, WLAN_STA_ASSOC))
1437 rate_control_rate_init(sta);
1438
1439 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1440 sdata->vif.type == NL80211_IFTYPE_AP;
1441
1442 err = sta_info_insert_rcu(sta);
1443 if (err) {
1444 rcu_read_unlock();
1445 return err;
1446 }
1447
1448 if (layer2_update)
1449 ieee80211_send_layer2_update(sta);
1450
1451 rcu_read_unlock();
1452
1453 return 0;
1454 }
1455
1456 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1457 struct station_del_parameters *params)
1458 {
1459 struct ieee80211_sub_if_data *sdata;
1460
1461 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1462
1463 if (params->mac)
1464 return sta_info_destroy_addr_bss(sdata, params->mac);
1465
1466 sta_info_flush(sdata);
1467 return 0;
1468 }
1469
1470 static int ieee80211_change_station(struct wiphy *wiphy,
1471 struct net_device *dev, const u8 *mac,
1472 struct station_parameters *params)
1473 {
1474 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1475 struct ieee80211_local *local = wiphy_priv(wiphy);
1476 struct sta_info *sta;
1477 struct ieee80211_sub_if_data *vlansdata;
1478 enum cfg80211_station_type statype;
1479 int err;
1480
1481 mutex_lock(&local->sta_mtx);
1482
1483 sta = sta_info_get_bss(sdata, mac);
1484 if (!sta) {
1485 err = -ENOENT;
1486 goto out_err;
1487 }
1488
1489 switch (sdata->vif.type) {
1490 case NL80211_IFTYPE_MESH_POINT:
1491 if (sdata->u.mesh.user_mpm)
1492 statype = CFG80211_STA_MESH_PEER_USER;
1493 else
1494 statype = CFG80211_STA_MESH_PEER_KERNEL;
1495 break;
1496 case NL80211_IFTYPE_ADHOC:
1497 statype = CFG80211_STA_IBSS;
1498 break;
1499 case NL80211_IFTYPE_STATION:
1500 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1501 statype = CFG80211_STA_AP_STA;
1502 break;
1503 }
1504 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1505 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1506 else
1507 statype = CFG80211_STA_TDLS_PEER_SETUP;
1508 break;
1509 case NL80211_IFTYPE_AP:
1510 case NL80211_IFTYPE_AP_VLAN:
1511 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1512 statype = CFG80211_STA_AP_CLIENT;
1513 else
1514 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1515 break;
1516 default:
1517 err = -EOPNOTSUPP;
1518 goto out_err;
1519 }
1520
1521 err = cfg80211_check_station_change(wiphy, params, statype);
1522 if (err)
1523 goto out_err;
1524
1525 if (params->vlan && params->vlan != sta->sdata->dev) {
1526 bool prev_4addr = false;
1527 bool new_4addr = false;
1528
1529 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1530
1531 if (params->vlan->ieee80211_ptr->use_4addr) {
1532 if (vlansdata->u.vlan.sta) {
1533 err = -EBUSY;
1534 goto out_err;
1535 }
1536
1537 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1538 new_4addr = true;
1539 __ieee80211_check_fast_rx_iface(vlansdata);
1540 }
1541
1542 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1543 sta->sdata->u.vlan.sta) {
1544 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1545 prev_4addr = true;
1546 }
1547
1548 sta->sdata = vlansdata;
1549 ieee80211_check_fast_xmit(sta);
1550
1551 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1552 prev_4addr != new_4addr) {
1553 if (new_4addr)
1554 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1555 else
1556 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1557 }
1558
1559 ieee80211_send_layer2_update(sta);
1560 }
1561
1562 err = sta_apply_parameters(local, sta, params);
1563 if (err)
1564 goto out_err;
1565
1566 mutex_unlock(&local->sta_mtx);
1567
1568 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1569 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1570 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1571 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1572 sta_info_tx_streams(sta) != 1) {
1573 ht_dbg(sta->sdata,
1574 "%pM just authorized and MIMO capable - update SMPS\n",
1575 sta->sta.addr);
1576 ieee80211_send_smps_action(sta->sdata,
1577 sta->sdata->bss->req_smps,
1578 sta->sta.addr,
1579 sta->sdata->vif.bss_conf.bssid);
1580 }
1581
1582 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1583 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1584 ieee80211_recalc_ps(local);
1585 ieee80211_recalc_ps_vif(sdata);
1586 }
1587
1588 return 0;
1589 out_err:
1590 mutex_unlock(&local->sta_mtx);
1591 return err;
1592 }
1593
1594 #ifdef CONFIG_MAC80211_MESH
1595 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1596 const u8 *dst, const u8 *next_hop)
1597 {
1598 struct ieee80211_sub_if_data *sdata;
1599 struct mesh_path *mpath;
1600 struct sta_info *sta;
1601
1602 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1603
1604 rcu_read_lock();
1605 sta = sta_info_get(sdata, next_hop);
1606 if (!sta) {
1607 rcu_read_unlock();
1608 return -ENOENT;
1609 }
1610
1611 mpath = mesh_path_add(sdata, dst);
1612 if (IS_ERR(mpath)) {
1613 rcu_read_unlock();
1614 return PTR_ERR(mpath);
1615 }
1616
1617 mesh_path_fix_nexthop(mpath, sta);
1618
1619 rcu_read_unlock();
1620 return 0;
1621 }
1622
1623 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1624 const u8 *dst)
1625 {
1626 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1627
1628 if (dst)
1629 return mesh_path_del(sdata, dst);
1630
1631 mesh_path_flush_by_iface(sdata);
1632 return 0;
1633 }
1634
1635 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1636 const u8 *dst, const u8 *next_hop)
1637 {
1638 struct ieee80211_sub_if_data *sdata;
1639 struct mesh_path *mpath;
1640 struct sta_info *sta;
1641
1642 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1643
1644 rcu_read_lock();
1645
1646 sta = sta_info_get(sdata, next_hop);
1647 if (!sta) {
1648 rcu_read_unlock();
1649 return -ENOENT;
1650 }
1651
1652 mpath = mesh_path_lookup(sdata, dst);
1653 if (!mpath) {
1654 rcu_read_unlock();
1655 return -ENOENT;
1656 }
1657
1658 mesh_path_fix_nexthop(mpath, sta);
1659
1660 rcu_read_unlock();
1661 return 0;
1662 }
1663
1664 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1665 struct mpath_info *pinfo)
1666 {
1667 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1668
1669 if (next_hop_sta)
1670 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1671 else
1672 eth_zero_addr(next_hop);
1673
1674 memset(pinfo, 0, sizeof(*pinfo));
1675
1676 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1677
1678 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1679 MPATH_INFO_SN |
1680 MPATH_INFO_METRIC |
1681 MPATH_INFO_EXPTIME |
1682 MPATH_INFO_DISCOVERY_TIMEOUT |
1683 MPATH_INFO_DISCOVERY_RETRIES |
1684 MPATH_INFO_FLAGS;
1685
1686 pinfo->frame_qlen = mpath->frame_queue.qlen;
1687 pinfo->sn = mpath->sn;
1688 pinfo->metric = mpath->metric;
1689 if (time_before(jiffies, mpath->exp_time))
1690 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1691 pinfo->discovery_timeout =
1692 jiffies_to_msecs(mpath->discovery_timeout);
1693 pinfo->discovery_retries = mpath->discovery_retries;
1694 if (mpath->flags & MESH_PATH_ACTIVE)
1695 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1696 if (mpath->flags & MESH_PATH_RESOLVING)
1697 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1698 if (mpath->flags & MESH_PATH_SN_VALID)
1699 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1700 if (mpath->flags & MESH_PATH_FIXED)
1701 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1702 if (mpath->flags & MESH_PATH_RESOLVED)
1703 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1704 }
1705
1706 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1707 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1708
1709 {
1710 struct ieee80211_sub_if_data *sdata;
1711 struct mesh_path *mpath;
1712
1713 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1714
1715 rcu_read_lock();
1716 mpath = mesh_path_lookup(sdata, dst);
1717 if (!mpath) {
1718 rcu_read_unlock();
1719 return -ENOENT;
1720 }
1721 memcpy(dst, mpath->dst, ETH_ALEN);
1722 mpath_set_pinfo(mpath, next_hop, pinfo);
1723 rcu_read_unlock();
1724 return 0;
1725 }
1726
1727 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1728 int idx, u8 *dst, u8 *next_hop,
1729 struct mpath_info *pinfo)
1730 {
1731 struct ieee80211_sub_if_data *sdata;
1732 struct mesh_path *mpath;
1733
1734 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1735
1736 rcu_read_lock();
1737 mpath = mesh_path_lookup_by_idx(sdata, idx);
1738 if (!mpath) {
1739 rcu_read_unlock();
1740 return -ENOENT;
1741 }
1742 memcpy(dst, mpath->dst, ETH_ALEN);
1743 mpath_set_pinfo(mpath, next_hop, pinfo);
1744 rcu_read_unlock();
1745 return 0;
1746 }
1747
1748 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1749 struct mpath_info *pinfo)
1750 {
1751 memset(pinfo, 0, sizeof(*pinfo));
1752 memcpy(mpp, mpath->mpp, ETH_ALEN);
1753
1754 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1755 }
1756
1757 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1758 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1759
1760 {
1761 struct ieee80211_sub_if_data *sdata;
1762 struct mesh_path *mpath;
1763
1764 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1765
1766 rcu_read_lock();
1767 mpath = mpp_path_lookup(sdata, dst);
1768 if (!mpath) {
1769 rcu_read_unlock();
1770 return -ENOENT;
1771 }
1772 memcpy(dst, mpath->dst, ETH_ALEN);
1773 mpp_set_pinfo(mpath, mpp, pinfo);
1774 rcu_read_unlock();
1775 return 0;
1776 }
1777
1778 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1779 int idx, u8 *dst, u8 *mpp,
1780 struct mpath_info *pinfo)
1781 {
1782 struct ieee80211_sub_if_data *sdata;
1783 struct mesh_path *mpath;
1784
1785 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1786
1787 rcu_read_lock();
1788 mpath = mpp_path_lookup_by_idx(sdata, idx);
1789 if (!mpath) {
1790 rcu_read_unlock();
1791 return -ENOENT;
1792 }
1793 memcpy(dst, mpath->dst, ETH_ALEN);
1794 mpp_set_pinfo(mpath, mpp, pinfo);
1795 rcu_read_unlock();
1796 return 0;
1797 }
1798
1799 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1800 struct net_device *dev,
1801 struct mesh_config *conf)
1802 {
1803 struct ieee80211_sub_if_data *sdata;
1804 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1805
1806 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1807 return 0;
1808 }
1809
1810 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1811 {
1812 return (mask >> (parm-1)) & 0x1;
1813 }
1814
1815 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1816 const struct mesh_setup *setup)
1817 {
1818 u8 *new_ie;
1819 const u8 *old_ie;
1820 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1821 struct ieee80211_sub_if_data, u.mesh);
1822
1823 /* allocate information elements */
1824 new_ie = NULL;
1825 old_ie = ifmsh->ie;
1826
1827 if (setup->ie_len) {
1828 new_ie = kmemdup(setup->ie, setup->ie_len,
1829 GFP_KERNEL);
1830 if (!new_ie)
1831 return -ENOMEM;
1832 }
1833 ifmsh->ie_len = setup->ie_len;
1834 ifmsh->ie = new_ie;
1835 kfree(old_ie);
1836
1837 /* now copy the rest of the setup parameters */
1838 ifmsh->mesh_id_len = setup->mesh_id_len;
1839 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1840 ifmsh->mesh_sp_id = setup->sync_method;
1841 ifmsh->mesh_pp_id = setup->path_sel_proto;
1842 ifmsh->mesh_pm_id = setup->path_metric;
1843 ifmsh->user_mpm = setup->user_mpm;
1844 ifmsh->mesh_auth_id = setup->auth_id;
1845 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1846 if (setup->is_authenticated)
1847 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1848 if (setup->is_secure)
1849 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1850
1851 /* mcast rate setting in Mesh Node */
1852 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1853 sizeof(setup->mcast_rate));
1854 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1855
1856 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1857 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1858
1859 return 0;
1860 }
1861
1862 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1863 struct net_device *dev, u32 mask,
1864 const struct mesh_config *nconf)
1865 {
1866 struct mesh_config *conf;
1867 struct ieee80211_sub_if_data *sdata;
1868 struct ieee80211_if_mesh *ifmsh;
1869
1870 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1871 ifmsh = &sdata->u.mesh;
1872
1873 /* Set the config options which we are interested in setting */
1874 conf = &(sdata->u.mesh.mshcfg);
1875 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1876 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1877 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1878 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1879 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1880 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1881 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1882 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1883 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1884 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1885 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1886 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1887 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1888 conf->element_ttl = nconf->element_ttl;
1889 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1890 if (ifmsh->user_mpm)
1891 return -EBUSY;
1892 conf->auto_open_plinks = nconf->auto_open_plinks;
1893 }
1894 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1895 conf->dot11MeshNbrOffsetMaxNeighbor =
1896 nconf->dot11MeshNbrOffsetMaxNeighbor;
1897 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1898 conf->dot11MeshHWMPmaxPREQretries =
1899 nconf->dot11MeshHWMPmaxPREQretries;
1900 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1901 conf->path_refresh_time = nconf->path_refresh_time;
1902 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1903 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1904 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1905 conf->dot11MeshHWMPactivePathTimeout =
1906 nconf->dot11MeshHWMPactivePathTimeout;
1907 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1908 conf->dot11MeshHWMPpreqMinInterval =
1909 nconf->dot11MeshHWMPpreqMinInterval;
1910 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1911 conf->dot11MeshHWMPperrMinInterval =
1912 nconf->dot11MeshHWMPperrMinInterval;
1913 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1914 mask))
1915 conf->dot11MeshHWMPnetDiameterTraversalTime =
1916 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1917 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1918 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1919 ieee80211_mesh_root_setup(ifmsh);
1920 }
1921 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1922 /* our current gate announcement implementation rides on root
1923 * announcements, so require this ifmsh to also be a root node
1924 * */
1925 if (nconf->dot11MeshGateAnnouncementProtocol &&
1926 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1927 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1928 ieee80211_mesh_root_setup(ifmsh);
1929 }
1930 conf->dot11MeshGateAnnouncementProtocol =
1931 nconf->dot11MeshGateAnnouncementProtocol;
1932 }
1933 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1934 conf->dot11MeshHWMPRannInterval =
1935 nconf->dot11MeshHWMPRannInterval;
1936 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1937 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1938 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1939 /* our RSSI threshold implementation is supported only for
1940 * devices that report signal in dBm.
1941 */
1942 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1943 return -ENOTSUPP;
1944 conf->rssi_threshold = nconf->rssi_threshold;
1945 }
1946 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1947 conf->ht_opmode = nconf->ht_opmode;
1948 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1949 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1950 }
1951 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1952 conf->dot11MeshHWMPactivePathToRootTimeout =
1953 nconf->dot11MeshHWMPactivePathToRootTimeout;
1954 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1955 conf->dot11MeshHWMProotInterval =
1956 nconf->dot11MeshHWMProotInterval;
1957 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1958 conf->dot11MeshHWMPconfirmationInterval =
1959 nconf->dot11MeshHWMPconfirmationInterval;
1960 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1961 conf->power_mode = nconf->power_mode;
1962 ieee80211_mps_local_status_update(sdata);
1963 }
1964 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1965 conf->dot11MeshAwakeWindowDuration =
1966 nconf->dot11MeshAwakeWindowDuration;
1967 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1968 conf->plink_timeout = nconf->plink_timeout;
1969 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1970 return 0;
1971 }
1972
1973 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1974 const struct mesh_config *conf,
1975 const struct mesh_setup *setup)
1976 {
1977 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1978 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1979 int err;
1980
1981 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1982 err = copy_mesh_setup(ifmsh, setup);
1983 if (err)
1984 return err;
1985
1986 /* can mesh use other SMPS modes? */
1987 sdata->smps_mode = IEEE80211_SMPS_OFF;
1988 sdata->needed_rx_chains = sdata->local->rx_chains;
1989
1990 mutex_lock(&sdata->local->mtx);
1991 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1992 IEEE80211_CHANCTX_SHARED);
1993 mutex_unlock(&sdata->local->mtx);
1994 if (err)
1995 return err;
1996
1997 return ieee80211_start_mesh(sdata);
1998 }
1999
2000 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2001 {
2002 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2003
2004 ieee80211_stop_mesh(sdata);
2005 mutex_lock(&sdata->local->mtx);
2006 ieee80211_vif_release_channel(sdata);
2007 mutex_unlock(&sdata->local->mtx);
2008
2009 return 0;
2010 }
2011 #endif
2012
2013 static int ieee80211_change_bss(struct wiphy *wiphy,
2014 struct net_device *dev,
2015 struct bss_parameters *params)
2016 {
2017 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2018 enum nl80211_band band;
2019 u32 changed = 0;
2020
2021 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2022 return -ENOENT;
2023
2024 band = ieee80211_get_sdata_band(sdata);
2025
2026 if (params->use_cts_prot >= 0) {
2027 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2028 changed |= BSS_CHANGED_ERP_CTS_PROT;
2029 }
2030 if (params->use_short_preamble >= 0) {
2031 sdata->vif.bss_conf.use_short_preamble =
2032 params->use_short_preamble;
2033 changed |= BSS_CHANGED_ERP_PREAMBLE;
2034 }
2035
2036 if (!sdata->vif.bss_conf.use_short_slot &&
2037 band == NL80211_BAND_5GHZ) {
2038 sdata->vif.bss_conf.use_short_slot = true;
2039 changed |= BSS_CHANGED_ERP_SLOT;
2040 }
2041
2042 if (params->use_short_slot_time >= 0) {
2043 sdata->vif.bss_conf.use_short_slot =
2044 params->use_short_slot_time;
2045 changed |= BSS_CHANGED_ERP_SLOT;
2046 }
2047
2048 if (params->basic_rates) {
2049 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2050 wiphy->bands[band],
2051 params->basic_rates,
2052 params->basic_rates_len,
2053 &sdata->vif.bss_conf.basic_rates);
2054 changed |= BSS_CHANGED_BASIC_RATES;
2055 }
2056
2057 if (params->ap_isolate >= 0) {
2058 if (params->ap_isolate)
2059 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2060 else
2061 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2062 ieee80211_check_fast_rx_iface(sdata);
2063 }
2064
2065 if (params->ht_opmode >= 0) {
2066 sdata->vif.bss_conf.ht_operation_mode =
2067 (u16) params->ht_opmode;
2068 changed |= BSS_CHANGED_HT;
2069 }
2070
2071 if (params->p2p_ctwindow >= 0) {
2072 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2073 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2074 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2075 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2076 changed |= BSS_CHANGED_P2P_PS;
2077 }
2078
2079 if (params->p2p_opp_ps > 0) {
2080 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2081 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2082 changed |= BSS_CHANGED_P2P_PS;
2083 } else if (params->p2p_opp_ps == 0) {
2084 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2085 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2086 changed |= BSS_CHANGED_P2P_PS;
2087 }
2088
2089 ieee80211_bss_info_change_notify(sdata, changed);
2090
2091 return 0;
2092 }
2093
2094 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2095 struct net_device *dev,
2096 struct ieee80211_txq_params *params)
2097 {
2098 struct ieee80211_local *local = wiphy_priv(wiphy);
2099 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2100 struct ieee80211_tx_queue_params p;
2101
2102 if (!local->ops->conf_tx)
2103 return -EOPNOTSUPP;
2104
2105 if (local->hw.queues < IEEE80211_NUM_ACS)
2106 return -EOPNOTSUPP;
2107
2108 memset(&p, 0, sizeof(p));
2109 p.aifs = params->aifs;
2110 p.cw_max = params->cwmax;
2111 p.cw_min = params->cwmin;
2112 p.txop = params->txop;
2113
2114 /*
2115 * Setting tx queue params disables u-apsd because it's only
2116 * called in master mode.
2117 */
2118 p.uapsd = false;
2119
2120 sdata->tx_conf[params->ac] = p;
2121 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2122 wiphy_debug(local->hw.wiphy,
2123 "failed to set TX queue parameters for AC %d\n",
2124 params->ac);
2125 return -EINVAL;
2126 }
2127
2128 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2129
2130 return 0;
2131 }
2132
2133 #ifdef CONFIG_PM
2134 static int ieee80211_suspend(struct wiphy *wiphy,
2135 struct cfg80211_wowlan *wowlan)
2136 {
2137 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2138 }
2139
2140 static int ieee80211_resume(struct wiphy *wiphy)
2141 {
2142 return __ieee80211_resume(wiphy_priv(wiphy));
2143 }
2144 #else
2145 #define ieee80211_suspend NULL
2146 #define ieee80211_resume NULL
2147 #endif
2148
2149 static int ieee80211_scan(struct wiphy *wiphy,
2150 struct cfg80211_scan_request *req)
2151 {
2152 struct ieee80211_sub_if_data *sdata;
2153
2154 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2155
2156 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2157 case NL80211_IFTYPE_STATION:
2158 case NL80211_IFTYPE_ADHOC:
2159 case NL80211_IFTYPE_MESH_POINT:
2160 case NL80211_IFTYPE_P2P_CLIENT:
2161 case NL80211_IFTYPE_P2P_DEVICE:
2162 break;
2163 case NL80211_IFTYPE_P2P_GO:
2164 if (sdata->local->ops->hw_scan)
2165 break;
2166 /*
2167 * FIXME: implement NoA while scanning in software,
2168 * for now fall through to allow scanning only when
2169 * beaconing hasn't been configured yet
2170 */
2171 case NL80211_IFTYPE_AP:
2172 /*
2173 * If the scan has been forced (and the driver supports
2174 * forcing), don't care about being beaconing already.
2175 * This will create problems to the attached stations (e.g. all
2176 * the frames sent while scanning on other channel will be
2177 * lost)
2178 */
2179 if (sdata->u.ap.beacon &&
2180 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2181 !(req->flags & NL80211_SCAN_FLAG_AP)))
2182 return -EOPNOTSUPP;
2183 break;
2184 case NL80211_IFTYPE_NAN:
2185 default:
2186 return -EOPNOTSUPP;
2187 }
2188
2189 return ieee80211_request_scan(sdata, req);
2190 }
2191
2192 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2193 {
2194 ieee80211_scan_cancel(wiphy_priv(wiphy));
2195 }
2196
2197 static int
2198 ieee80211_sched_scan_start(struct wiphy *wiphy,
2199 struct net_device *dev,
2200 struct cfg80211_sched_scan_request *req)
2201 {
2202 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2203
2204 if (!sdata->local->ops->sched_scan_start)
2205 return -EOPNOTSUPP;
2206
2207 return ieee80211_request_sched_scan_start(sdata, req);
2208 }
2209
2210 static int
2211 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2212 {
2213 struct ieee80211_local *local = wiphy_priv(wiphy);
2214
2215 if (!local->ops->sched_scan_stop)
2216 return -EOPNOTSUPP;
2217
2218 return ieee80211_request_sched_scan_stop(local);
2219 }
2220
2221 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2222 struct cfg80211_auth_request *req)
2223 {
2224 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2225 }
2226
2227 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2228 struct cfg80211_assoc_request *req)
2229 {
2230 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2231 }
2232
2233 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2234 struct cfg80211_deauth_request *req)
2235 {
2236 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2237 }
2238
2239 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2240 struct cfg80211_disassoc_request *req)
2241 {
2242 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2243 }
2244
2245 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2246 struct cfg80211_ibss_params *params)
2247 {
2248 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2249 }
2250
2251 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2252 {
2253 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2254 }
2255
2256 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2257 struct ocb_setup *setup)
2258 {
2259 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2260 }
2261
2262 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2263 {
2264 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2265 }
2266
2267 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2268 int rate[NUM_NL80211_BANDS])
2269 {
2270 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2271
2272 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2273 sizeof(int) * NUM_NL80211_BANDS);
2274
2275 return 0;
2276 }
2277
2278 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2279 {
2280 struct ieee80211_local *local = wiphy_priv(wiphy);
2281 int err;
2282
2283 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2284 ieee80211_check_fast_xmit_all(local);
2285
2286 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2287
2288 if (err) {
2289 ieee80211_check_fast_xmit_all(local);
2290 return err;
2291 }
2292 }
2293
2294 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2295 (changed & WIPHY_PARAM_DYN_ACK)) {
2296 s16 coverage_class;
2297
2298 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2299 wiphy->coverage_class : -1;
2300 err = drv_set_coverage_class(local, coverage_class);
2301
2302 if (err)
2303 return err;
2304 }
2305
2306 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2307 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2308
2309 if (err)
2310 return err;
2311 }
2312
2313 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2314 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2315 return -EINVAL;
2316 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2317 }
2318 if (changed & WIPHY_PARAM_RETRY_LONG) {
2319 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2320 return -EINVAL;
2321 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2322 }
2323 if (changed &
2324 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2325 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2326
2327 return 0;
2328 }
2329
2330 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2331 struct wireless_dev *wdev,
2332 enum nl80211_tx_power_setting type, int mbm)
2333 {
2334 struct ieee80211_local *local = wiphy_priv(wiphy);
2335 struct ieee80211_sub_if_data *sdata;
2336 enum nl80211_tx_power_setting txp_type = type;
2337 bool update_txp_type = false;
2338
2339 if (wdev) {
2340 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2341
2342 switch (type) {
2343 case NL80211_TX_POWER_AUTOMATIC:
2344 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2345 txp_type = NL80211_TX_POWER_LIMITED;
2346 break;
2347 case NL80211_TX_POWER_LIMITED:
2348 case NL80211_TX_POWER_FIXED:
2349 if (mbm < 0 || (mbm % 100))
2350 return -EOPNOTSUPP;
2351 sdata->user_power_level = MBM_TO_DBM(mbm);
2352 break;
2353 }
2354
2355 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2356 update_txp_type = true;
2357 sdata->vif.bss_conf.txpower_type = txp_type;
2358 }
2359
2360 ieee80211_recalc_txpower(sdata, update_txp_type);
2361
2362 return 0;
2363 }
2364
2365 switch (type) {
2366 case NL80211_TX_POWER_AUTOMATIC:
2367 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2368 txp_type = NL80211_TX_POWER_LIMITED;
2369 break;
2370 case NL80211_TX_POWER_LIMITED:
2371 case NL80211_TX_POWER_FIXED:
2372 if (mbm < 0 || (mbm % 100))
2373 return -EOPNOTSUPP;
2374 local->user_power_level = MBM_TO_DBM(mbm);
2375 break;
2376 }
2377
2378 mutex_lock(&local->iflist_mtx);
2379 list_for_each_entry(sdata, &local->interfaces, list) {
2380 sdata->user_power_level = local->user_power_level;
2381 if (txp_type != sdata->vif.bss_conf.txpower_type)
2382 update_txp_type = true;
2383 sdata->vif.bss_conf.txpower_type = txp_type;
2384 }
2385 list_for_each_entry(sdata, &local->interfaces, list)
2386 ieee80211_recalc_txpower(sdata, update_txp_type);
2387 mutex_unlock(&local->iflist_mtx);
2388
2389 return 0;
2390 }
2391
2392 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2393 struct wireless_dev *wdev,
2394 int *dbm)
2395 {
2396 struct ieee80211_local *local = wiphy_priv(wiphy);
2397 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2398
2399 if (local->ops->get_txpower)
2400 return drv_get_txpower(local, sdata, dbm);
2401
2402 if (!local->use_chanctx)
2403 *dbm = local->hw.conf.power_level;
2404 else
2405 *dbm = sdata->vif.bss_conf.txpower;
2406
2407 return 0;
2408 }
2409
2410 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2411 const u8 *addr)
2412 {
2413 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2414
2415 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2416
2417 return 0;
2418 }
2419
2420 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2421 {
2422 struct ieee80211_local *local = wiphy_priv(wiphy);
2423
2424 drv_rfkill_poll(local);
2425 }
2426
2427 #ifdef CONFIG_NL80211_TESTMODE
2428 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2429 struct wireless_dev *wdev,
2430 void *data, int len)
2431 {
2432 struct ieee80211_local *local = wiphy_priv(wiphy);
2433 struct ieee80211_vif *vif = NULL;
2434
2435 if (!local->ops->testmode_cmd)
2436 return -EOPNOTSUPP;
2437
2438 if (wdev) {
2439 struct ieee80211_sub_if_data *sdata;
2440
2441 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2442 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2443 vif = &sdata->vif;
2444 }
2445
2446 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2447 }
2448
2449 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2450 struct sk_buff *skb,
2451 struct netlink_callback *cb,
2452 void *data, int len)
2453 {
2454 struct ieee80211_local *local = wiphy_priv(wiphy);
2455
2456 if (!local->ops->testmode_dump)
2457 return -EOPNOTSUPP;
2458
2459 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2460 }
2461 #endif
2462
2463 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2464 enum ieee80211_smps_mode smps_mode)
2465 {
2466 struct sta_info *sta;
2467 enum ieee80211_smps_mode old_req;
2468
2469 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2470 return -EINVAL;
2471
2472 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2473 return 0;
2474
2475 old_req = sdata->u.ap.req_smps;
2476 sdata->u.ap.req_smps = smps_mode;
2477
2478 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2479 if (old_req == smps_mode ||
2480 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2481 return 0;
2482
2483 /* If no associated stations, there's no need to do anything */
2484 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2485 sdata->smps_mode = smps_mode;
2486 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2487 return 0;
2488 }
2489
2490 ht_dbg(sdata,
2491 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2492 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2493
2494 mutex_lock(&sdata->local->sta_mtx);
2495 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2496 /*
2497 * Only stations associated to our AP and
2498 * associated VLANs
2499 */
2500 if (sta->sdata->bss != &sdata->u.ap)
2501 continue;
2502
2503 /* This station doesn't support MIMO - skip it */
2504 if (sta_info_tx_streams(sta) == 1)
2505 continue;
2506
2507 /*
2508 * Don't wake up a STA just to send the action frame
2509 * unless we are getting more restrictive.
2510 */
2511 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2512 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2513 smps_mode)) {
2514 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2515 sta->sta.addr);
2516 continue;
2517 }
2518
2519 /*
2520 * If the STA is not authorized, wait until it gets
2521 * authorized and the action frame will be sent then.
2522 */
2523 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2524 continue;
2525
2526 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2527 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2528 sdata->vif.bss_conf.bssid);
2529 }
2530 mutex_unlock(&sdata->local->sta_mtx);
2531
2532 sdata->smps_mode = smps_mode;
2533 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2534
2535 return 0;
2536 }
2537
2538 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2539 enum ieee80211_smps_mode smps_mode)
2540 {
2541 const u8 *ap;
2542 enum ieee80211_smps_mode old_req;
2543 int err;
2544 struct sta_info *sta;
2545 bool tdls_peer_found = false;
2546
2547 lockdep_assert_held(&sdata->wdev.mtx);
2548
2549 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2550 return -EINVAL;
2551
2552 old_req = sdata->u.mgd.req_smps;
2553 sdata->u.mgd.req_smps = smps_mode;
2554
2555 if (old_req == smps_mode &&
2556 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2557 return 0;
2558
2559 /*
2560 * If not associated, or current association is not an HT
2561 * association, there's no need to do anything, just store
2562 * the new value until we associate.
2563 */
2564 if (!sdata->u.mgd.associated ||
2565 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2566 return 0;
2567
2568 ap = sdata->u.mgd.associated->bssid;
2569
2570 rcu_read_lock();
2571 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2572 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2573 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2574 continue;
2575
2576 tdls_peer_found = true;
2577 break;
2578 }
2579 rcu_read_unlock();
2580
2581 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2582 if (tdls_peer_found || !sdata->u.mgd.powersave)
2583 smps_mode = IEEE80211_SMPS_OFF;
2584 else
2585 smps_mode = IEEE80211_SMPS_DYNAMIC;
2586 }
2587
2588 /* send SM PS frame to AP */
2589 err = ieee80211_send_smps_action(sdata, smps_mode,
2590 ap, ap);
2591 if (err)
2592 sdata->u.mgd.req_smps = old_req;
2593 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2594 ieee80211_teardown_tdls_peers(sdata);
2595
2596 return err;
2597 }
2598
2599 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2600 bool enabled, int timeout)
2601 {
2602 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2603 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2604
2605 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2606 return -EOPNOTSUPP;
2607
2608 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2609 return -EOPNOTSUPP;
2610
2611 if (enabled == sdata->u.mgd.powersave &&
2612 timeout == local->dynamic_ps_forced_timeout)
2613 return 0;
2614
2615 sdata->u.mgd.powersave = enabled;
2616 local->dynamic_ps_forced_timeout = timeout;
2617
2618 /* no change, but if automatic follow powersave */
2619 sdata_lock(sdata);
2620 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2621 sdata_unlock(sdata);
2622
2623 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2624 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2625
2626 ieee80211_recalc_ps(local);
2627 ieee80211_recalc_ps_vif(sdata);
2628
2629 return 0;
2630 }
2631
2632 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2633 struct net_device *dev,
2634 s32 rssi_thold, u32 rssi_hyst)
2635 {
2636 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2637 struct ieee80211_vif *vif = &sdata->vif;
2638 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2639
2640 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2641 rssi_hyst == bss_conf->cqm_rssi_hyst)
2642 return 0;
2643
2644 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2645 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2646 return -EOPNOTSUPP;
2647
2648 bss_conf->cqm_rssi_thold = rssi_thold;
2649 bss_conf->cqm_rssi_hyst = rssi_hyst;
2650 sdata->u.mgd.last_cqm_event_signal = 0;
2651
2652 /* tell the driver upon association, unless already associated */
2653 if (sdata->u.mgd.associated &&
2654 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2655 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2656
2657 return 0;
2658 }
2659
2660 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2661 struct net_device *dev,
2662 const u8 *addr,
2663 const struct cfg80211_bitrate_mask *mask)
2664 {
2665 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2666 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2667 int i, ret;
2668
2669 if (!ieee80211_sdata_running(sdata))
2670 return -ENETDOWN;
2671
2672 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2673 ret = drv_set_bitrate_mask(local, sdata, mask);
2674 if (ret)
2675 return ret;
2676 }
2677
2678 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2679 struct ieee80211_supported_band *sband = wiphy->bands[i];
2680 int j;
2681
2682 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2683 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2684 sizeof(mask->control[i].ht_mcs));
2685 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2686 mask->control[i].vht_mcs,
2687 sizeof(mask->control[i].vht_mcs));
2688
2689 sdata->rc_has_mcs_mask[i] = false;
2690 sdata->rc_has_vht_mcs_mask[i] = false;
2691 if (!sband)
2692 continue;
2693
2694 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2695 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2696 sdata->rc_has_mcs_mask[i] = true;
2697 break;
2698 }
2699 }
2700
2701 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2702 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2703 sdata->rc_has_vht_mcs_mask[i] = true;
2704 break;
2705 }
2706 }
2707 }
2708
2709 return 0;
2710 }
2711
2712 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2713 struct net_device *dev,
2714 struct cfg80211_chan_def *chandef,
2715 u32 cac_time_ms)
2716 {
2717 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2718 struct ieee80211_local *local = sdata->local;
2719 int err;
2720
2721 mutex_lock(&local->mtx);
2722 if (!list_empty(&local->roc_list) || local->scanning) {
2723 err = -EBUSY;
2724 goto out_unlock;
2725 }
2726
2727 /* whatever, but channel contexts should not complain about that one */
2728 sdata->smps_mode = IEEE80211_SMPS_OFF;
2729 sdata->needed_rx_chains = local->rx_chains;
2730
2731 err = ieee80211_vif_use_channel(sdata, chandef,
2732 IEEE80211_CHANCTX_SHARED);
2733 if (err)
2734 goto out_unlock;
2735
2736 ieee80211_queue_delayed_work(&sdata->local->hw,
2737 &sdata->dfs_cac_timer_work,
2738 msecs_to_jiffies(cac_time_ms));
2739
2740 out_unlock:
2741 mutex_unlock(&local->mtx);
2742 return err;
2743 }
2744
2745 static struct cfg80211_beacon_data *
2746 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2747 {
2748 struct cfg80211_beacon_data *new_beacon;
2749 u8 *pos;
2750 int len;
2751
2752 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2753 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2754 beacon->probe_resp_len;
2755
2756 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2757 if (!new_beacon)
2758 return NULL;
2759
2760 pos = (u8 *)(new_beacon + 1);
2761 if (beacon->head_len) {
2762 new_beacon->head_len = beacon->head_len;
2763 new_beacon->head = pos;
2764 memcpy(pos, beacon->head, beacon->head_len);
2765 pos += beacon->head_len;
2766 }
2767 if (beacon->tail_len) {
2768 new_beacon->tail_len = beacon->tail_len;
2769 new_beacon->tail = pos;
2770 memcpy(pos, beacon->tail, beacon->tail_len);
2771 pos += beacon->tail_len;
2772 }
2773 if (beacon->beacon_ies_len) {
2774 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2775 new_beacon->beacon_ies = pos;
2776 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2777 pos += beacon->beacon_ies_len;
2778 }
2779 if (beacon->proberesp_ies_len) {
2780 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2781 new_beacon->proberesp_ies = pos;
2782 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2783 pos += beacon->proberesp_ies_len;
2784 }
2785 if (beacon->assocresp_ies_len) {
2786 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2787 new_beacon->assocresp_ies = pos;
2788 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2789 pos += beacon->assocresp_ies_len;
2790 }
2791 if (beacon->probe_resp_len) {
2792 new_beacon->probe_resp_len = beacon->probe_resp_len;
2793 beacon->probe_resp = pos;
2794 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2795 pos += beacon->probe_resp_len;
2796 }
2797
2798 return new_beacon;
2799 }
2800
2801 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2802 {
2803 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2804
2805 ieee80211_queue_work(&sdata->local->hw,
2806 &sdata->csa_finalize_work);
2807 }
2808 EXPORT_SYMBOL(ieee80211_csa_finish);
2809
2810 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2811 u32 *changed)
2812 {
2813 int err;
2814
2815 switch (sdata->vif.type) {
2816 case NL80211_IFTYPE_AP:
2817 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2818 NULL);
2819 kfree(sdata->u.ap.next_beacon);
2820 sdata->u.ap.next_beacon = NULL;
2821
2822 if (err < 0)
2823 return err;
2824 *changed |= err;
2825 break;
2826 case NL80211_IFTYPE_ADHOC:
2827 err = ieee80211_ibss_finish_csa(sdata);
2828 if (err < 0)
2829 return err;
2830 *changed |= err;
2831 break;
2832 #ifdef CONFIG_MAC80211_MESH
2833 case NL80211_IFTYPE_MESH_POINT:
2834 err = ieee80211_mesh_finish_csa(sdata);
2835 if (err < 0)
2836 return err;
2837 *changed |= err;
2838 break;
2839 #endif
2840 default:
2841 WARN_ON(1);
2842 return -EINVAL;
2843 }
2844
2845 return 0;
2846 }
2847
2848 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2849 {
2850 struct ieee80211_local *local = sdata->local;
2851 u32 changed = 0;
2852 int err;
2853
2854 sdata_assert_lock(sdata);
2855 lockdep_assert_held(&local->mtx);
2856 lockdep_assert_held(&local->chanctx_mtx);
2857
2858 /*
2859 * using reservation isn't immediate as it may be deferred until later
2860 * with multi-vif. once reservation is complete it will re-schedule the
2861 * work with no reserved_chanctx so verify chandef to check if it
2862 * completed successfully
2863 */
2864
2865 if (sdata->reserved_chanctx) {
2866 /*
2867 * with multi-vif csa driver may call ieee80211_csa_finish()
2868 * many times while waiting for other interfaces to use their
2869 * reservations
2870 */
2871 if (sdata->reserved_ready)
2872 return 0;
2873
2874 return ieee80211_vif_use_reserved_context(sdata);
2875 }
2876
2877 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2878 &sdata->csa_chandef))
2879 return -EINVAL;
2880
2881 sdata->vif.csa_active = false;
2882
2883 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2884 if (err)
2885 return err;
2886
2887 ieee80211_bss_info_change_notify(sdata, changed);
2888
2889 if (sdata->csa_block_tx) {
2890 ieee80211_wake_vif_queues(local, sdata,
2891 IEEE80211_QUEUE_STOP_REASON_CSA);
2892 sdata->csa_block_tx = false;
2893 }
2894
2895 err = drv_post_channel_switch(sdata);
2896 if (err)
2897 return err;
2898
2899 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2900
2901 return 0;
2902 }
2903
2904 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2905 {
2906 if (__ieee80211_csa_finalize(sdata)) {
2907 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2908 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2909 GFP_KERNEL);
2910 }
2911 }
2912
2913 void ieee80211_csa_finalize_work(struct work_struct *work)
2914 {
2915 struct ieee80211_sub_if_data *sdata =
2916 container_of(work, struct ieee80211_sub_if_data,
2917 csa_finalize_work);
2918 struct ieee80211_local *local = sdata->local;
2919
2920 sdata_lock(sdata);
2921 mutex_lock(&local->mtx);
2922 mutex_lock(&local->chanctx_mtx);
2923
2924 /* AP might have been stopped while waiting for the lock. */
2925 if (!sdata->vif.csa_active)
2926 goto unlock;
2927
2928 if (!ieee80211_sdata_running(sdata))
2929 goto unlock;
2930
2931 ieee80211_csa_finalize(sdata);
2932
2933 unlock:
2934 mutex_unlock(&local->chanctx_mtx);
2935 mutex_unlock(&local->mtx);
2936 sdata_unlock(sdata);
2937 }
2938
2939 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
2940 struct cfg80211_csa_settings *params,
2941 u32 *changed)
2942 {
2943 struct ieee80211_csa_settings csa = {};
2944 int err;
2945
2946 switch (sdata->vif.type) {
2947 case NL80211_IFTYPE_AP:
2948 sdata->u.ap.next_beacon =
2949 cfg80211_beacon_dup(&params->beacon_after);
2950 if (!sdata->u.ap.next_beacon)
2951 return -ENOMEM;
2952
2953 /*
2954 * With a count of 0, we don't have to wait for any
2955 * TBTT before switching, so complete the CSA
2956 * immediately. In theory, with a count == 1 we
2957 * should delay the switch until just before the next
2958 * TBTT, but that would complicate things so we switch
2959 * immediately too. If we would delay the switch
2960 * until the next TBTT, we would have to set the probe
2961 * response here.
2962 *
2963 * TODO: A channel switch with count <= 1 without
2964 * sending a CSA action frame is kind of useless,
2965 * because the clients won't know we're changing
2966 * channels. The action frame must be implemented
2967 * either here or in the userspace.
2968 */
2969 if (params->count <= 1)
2970 break;
2971
2972 if ((params->n_counter_offsets_beacon >
2973 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
2974 (params->n_counter_offsets_presp >
2975 IEEE80211_MAX_CSA_COUNTERS_NUM))
2976 return -EINVAL;
2977
2978 csa.counter_offsets_beacon = params->counter_offsets_beacon;
2979 csa.counter_offsets_presp = params->counter_offsets_presp;
2980 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
2981 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
2982 csa.count = params->count;
2983
2984 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
2985 if (err < 0) {
2986 kfree(sdata->u.ap.next_beacon);
2987 return err;
2988 }
2989 *changed |= err;
2990
2991 break;
2992 case NL80211_IFTYPE_ADHOC:
2993 if (!sdata->vif.bss_conf.ibss_joined)
2994 return -EINVAL;
2995
2996 if (params->chandef.width != sdata->u.ibss.chandef.width)
2997 return -EINVAL;
2998
2999 switch (params->chandef.width) {
3000 case NL80211_CHAN_WIDTH_40:
3001 if (cfg80211_get_chandef_type(&params->chandef) !=
3002 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3003 return -EINVAL;
3004 case NL80211_CHAN_WIDTH_5:
3005 case NL80211_CHAN_WIDTH_10:
3006 case NL80211_CHAN_WIDTH_20_NOHT:
3007 case NL80211_CHAN_WIDTH_20:
3008 break;
3009 default:
3010 return -EINVAL;
3011 }
3012
3013 /* changes into another band are not supported */
3014 if (sdata->u.ibss.chandef.chan->band !=
3015 params->chandef.chan->band)
3016 return -EINVAL;
3017
3018 /* see comments in the NL80211_IFTYPE_AP block */
3019 if (params->count > 1) {
3020 err = ieee80211_ibss_csa_beacon(sdata, params);
3021 if (err < 0)
3022 return err;
3023 *changed |= err;
3024 }
3025
3026 ieee80211_send_action_csa(sdata, params);
3027
3028 break;
3029 #ifdef CONFIG_MAC80211_MESH
3030 case NL80211_IFTYPE_MESH_POINT: {
3031 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3032
3033 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3034 return -EINVAL;
3035
3036 /* changes into another band are not supported */
3037 if (sdata->vif.bss_conf.chandef.chan->band !=
3038 params->chandef.chan->band)
3039 return -EINVAL;
3040
3041 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3042 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3043 if (!ifmsh->pre_value)
3044 ifmsh->pre_value = 1;
3045 else
3046 ifmsh->pre_value++;
3047 }
3048
3049 /* see comments in the NL80211_IFTYPE_AP block */
3050 if (params->count > 1) {
3051 err = ieee80211_mesh_csa_beacon(sdata, params);
3052 if (err < 0) {
3053 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3054 return err;
3055 }
3056 *changed |= err;
3057 }
3058
3059 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3060 ieee80211_send_action_csa(sdata, params);
3061
3062 break;
3063 }
3064 #endif
3065 default:
3066 return -EOPNOTSUPP;
3067 }
3068
3069 return 0;
3070 }
3071
3072 static int
3073 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3074 struct cfg80211_csa_settings *params)
3075 {
3076 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3077 struct ieee80211_local *local = sdata->local;
3078 struct ieee80211_channel_switch ch_switch;
3079 struct ieee80211_chanctx_conf *conf;
3080 struct ieee80211_chanctx *chanctx;
3081 u32 changed = 0;
3082 int err;
3083
3084 sdata_assert_lock(sdata);
3085 lockdep_assert_held(&local->mtx);
3086
3087 if (!list_empty(&local->roc_list) || local->scanning)
3088 return -EBUSY;
3089
3090 if (sdata->wdev.cac_started)
3091 return -EBUSY;
3092
3093 if (cfg80211_chandef_identical(&params->chandef,
3094 &sdata->vif.bss_conf.chandef))
3095 return -EINVAL;
3096
3097 /* don't allow another channel switch if one is already active. */
3098 if (sdata->vif.csa_active)
3099 return -EBUSY;
3100
3101 mutex_lock(&local->chanctx_mtx);
3102 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3103 lockdep_is_held(&local->chanctx_mtx));
3104 if (!conf) {
3105 err = -EBUSY;
3106 goto out;
3107 }
3108
3109 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3110
3111 ch_switch.timestamp = 0;
3112 ch_switch.device_timestamp = 0;
3113 ch_switch.block_tx = params->block_tx;
3114 ch_switch.chandef = params->chandef;
3115 ch_switch.count = params->count;
3116
3117 err = drv_pre_channel_switch(sdata, &ch_switch);
3118 if (err)
3119 goto out;
3120
3121 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3122 chanctx->mode,
3123 params->radar_required);
3124 if (err)
3125 goto out;
3126
3127 /* if reservation is invalid then this will fail */
3128 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3129 if (err) {
3130 ieee80211_vif_unreserve_chanctx(sdata);
3131 goto out;
3132 }
3133
3134 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3135 if (err) {
3136 ieee80211_vif_unreserve_chanctx(sdata);
3137 goto out;
3138 }
3139
3140 sdata->csa_chandef = params->chandef;
3141 sdata->csa_block_tx = params->block_tx;
3142 sdata->vif.csa_active = true;
3143
3144 if (sdata->csa_block_tx)
3145 ieee80211_stop_vif_queues(local, sdata,
3146 IEEE80211_QUEUE_STOP_REASON_CSA);
3147
3148 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3149 params->count);
3150
3151 if (changed) {
3152 ieee80211_bss_info_change_notify(sdata, changed);
3153 drv_channel_switch_beacon(sdata, &params->chandef);
3154 } else {
3155 /* if the beacon didn't change, we can finalize immediately */
3156 ieee80211_csa_finalize(sdata);
3157 }
3158
3159 out:
3160 mutex_unlock(&local->chanctx_mtx);
3161 return err;
3162 }
3163
3164 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3165 struct cfg80211_csa_settings *params)
3166 {
3167 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3168 struct ieee80211_local *local = sdata->local;
3169 int err;
3170
3171 mutex_lock(&local->mtx);
3172 err = __ieee80211_channel_switch(wiphy, dev, params);
3173 mutex_unlock(&local->mtx);
3174
3175 return err;
3176 }
3177
3178 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3179 {
3180 lockdep_assert_held(&local->mtx);
3181
3182 local->roc_cookie_counter++;
3183
3184 /* wow, you wrapped 64 bits ... more likely a bug */
3185 if (WARN_ON(local->roc_cookie_counter == 0))
3186 local->roc_cookie_counter++;
3187
3188 return local->roc_cookie_counter;
3189 }
3190
3191 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3192 u64 *cookie, gfp_t gfp)
3193 {
3194 unsigned long spin_flags;
3195 struct sk_buff *ack_skb;
3196 int id;
3197
3198 ack_skb = skb_copy(skb, gfp);
3199 if (!ack_skb)
3200 return -ENOMEM;
3201
3202 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3203 id = idr_alloc(&local->ack_status_frames, ack_skb,
3204 1, 0x10000, GFP_ATOMIC);
3205 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3206
3207 if (id < 0) {
3208 kfree_skb(ack_skb);
3209 return -ENOMEM;
3210 }
3211
3212 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3213
3214 *cookie = ieee80211_mgmt_tx_cookie(local);
3215 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3216
3217 return 0;
3218 }
3219
3220 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3221 struct wireless_dev *wdev,
3222 u16 frame_type, bool reg)
3223 {
3224 struct ieee80211_local *local = wiphy_priv(wiphy);
3225 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3226
3227 switch (frame_type) {
3228 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3229 if (reg) {
3230 local->probe_req_reg++;
3231 sdata->vif.probe_req_reg++;
3232 } else {
3233 if (local->probe_req_reg)
3234 local->probe_req_reg--;
3235
3236 if (sdata->vif.probe_req_reg)
3237 sdata->vif.probe_req_reg--;
3238 }
3239
3240 if (!local->open_count)
3241 break;
3242
3243 if (sdata->vif.probe_req_reg == 1)
3244 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3245 FIF_PROBE_REQ);
3246 else if (sdata->vif.probe_req_reg == 0)
3247 drv_config_iface_filter(local, sdata, 0,
3248 FIF_PROBE_REQ);
3249
3250 ieee80211_configure_filter(local);
3251 break;
3252 default:
3253 break;
3254 }
3255 }
3256
3257 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3258 {
3259 struct ieee80211_local *local = wiphy_priv(wiphy);
3260
3261 if (local->started)
3262 return -EOPNOTSUPP;
3263
3264 return drv_set_antenna(local, tx_ant, rx_ant);
3265 }
3266
3267 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3268 {
3269 struct ieee80211_local *local = wiphy_priv(wiphy);
3270
3271 return drv_get_antenna(local, tx_ant, rx_ant);
3272 }
3273
3274 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3275 struct net_device *dev,
3276 struct cfg80211_gtk_rekey_data *data)
3277 {
3278 struct ieee80211_local *local = wiphy_priv(wiphy);
3279 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3280
3281 if (!local->ops->set_rekey_data)
3282 return -EOPNOTSUPP;
3283
3284 drv_set_rekey_data(local, sdata, data);
3285
3286 return 0;
3287 }
3288
3289 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3290 const u8 *peer, u64 *cookie)
3291 {
3292 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3293 struct ieee80211_local *local = sdata->local;
3294 struct ieee80211_qos_hdr *nullfunc;
3295 struct sk_buff *skb;
3296 int size = sizeof(*nullfunc);
3297 __le16 fc;
3298 bool qos;
3299 struct ieee80211_tx_info *info;
3300 struct sta_info *sta;
3301 struct ieee80211_chanctx_conf *chanctx_conf;
3302 enum nl80211_band band;
3303 int ret;
3304
3305 /* the lock is needed to assign the cookie later */
3306 mutex_lock(&local->mtx);
3307
3308 rcu_read_lock();
3309 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3310 if (WARN_ON(!chanctx_conf)) {
3311 ret = -EINVAL;
3312 goto unlock;
3313 }
3314 band = chanctx_conf->def.chan->band;
3315 sta = sta_info_get_bss(sdata, peer);
3316 if (sta) {
3317 qos = sta->sta.wme;
3318 } else {
3319 ret = -ENOLINK;
3320 goto unlock;
3321 }
3322
3323 if (qos) {
3324 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3325 IEEE80211_STYPE_QOS_NULLFUNC |
3326 IEEE80211_FCTL_FROMDS);
3327 } else {
3328 size -= 2;
3329 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3330 IEEE80211_STYPE_NULLFUNC |
3331 IEEE80211_FCTL_FROMDS);
3332 }
3333
3334 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3335 if (!skb) {
3336 ret = -ENOMEM;
3337 goto unlock;
3338 }
3339
3340 skb->dev = dev;
3341
3342 skb_reserve(skb, local->hw.extra_tx_headroom);
3343
3344 nullfunc = (void *) skb_put(skb, size);
3345 nullfunc->frame_control = fc;
3346 nullfunc->duration_id = 0;
3347 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3348 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3349 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3350 nullfunc->seq_ctrl = 0;
3351
3352 info = IEEE80211_SKB_CB(skb);
3353
3354 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3355 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3356 info->band = band;
3357
3358 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3359 skb->priority = 7;
3360 if (qos)
3361 nullfunc->qos_ctrl = cpu_to_le16(7);
3362
3363 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3364 if (ret) {
3365 kfree_skb(skb);
3366 goto unlock;
3367 }
3368
3369 local_bh_disable();
3370 ieee80211_xmit(sdata, sta, skb);
3371 local_bh_enable();
3372
3373 ret = 0;
3374 unlock:
3375 rcu_read_unlock();
3376 mutex_unlock(&local->mtx);
3377
3378 return ret;
3379 }
3380
3381 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3382 struct wireless_dev *wdev,
3383 struct cfg80211_chan_def *chandef)
3384 {
3385 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3386 struct ieee80211_local *local = wiphy_priv(wiphy);
3387 struct ieee80211_chanctx_conf *chanctx_conf;
3388 int ret = -ENODATA;
3389
3390 rcu_read_lock();
3391 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3392 if (chanctx_conf) {
3393 *chandef = sdata->vif.bss_conf.chandef;
3394 ret = 0;
3395 } else if (local->open_count > 0 &&
3396 local->open_count == local->monitors &&
3397 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3398 if (local->use_chanctx)
3399 *chandef = local->monitor_chandef;
3400 else
3401 *chandef = local->_oper_chandef;
3402 ret = 0;
3403 }
3404 rcu_read_unlock();
3405
3406 return ret;
3407 }
3408
3409 #ifdef CONFIG_PM
3410 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3411 {
3412 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3413 }
3414 #endif
3415
3416 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3417 struct net_device *dev,
3418 struct cfg80211_qos_map *qos_map)
3419 {
3420 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3421 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3422
3423 if (qos_map) {
3424 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3425 if (!new_qos_map)
3426 return -ENOMEM;
3427 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3428 } else {
3429 /* A NULL qos_map was passed to disable QoS mapping */
3430 new_qos_map = NULL;
3431 }
3432
3433 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3434 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3435 if (old_qos_map)
3436 kfree_rcu(old_qos_map, rcu_head);
3437
3438 return 0;
3439 }
3440
3441 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3442 struct net_device *dev,
3443 struct cfg80211_chan_def *chandef)
3444 {
3445 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3446 int ret;
3447 u32 changed = 0;
3448
3449 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3450 if (ret == 0)
3451 ieee80211_bss_info_change_notify(sdata, changed);
3452
3453 return ret;
3454 }
3455
3456 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3457 u8 tsid, const u8 *peer, u8 up,
3458 u16 admitted_time)
3459 {
3460 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3461 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3462 int ac = ieee802_1d_to_ac[up];
3463
3464 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3465 return -EOPNOTSUPP;
3466
3467 if (!(sdata->wmm_acm & BIT(up)))
3468 return -EINVAL;
3469
3470 if (ifmgd->tx_tspec[ac].admitted_time)
3471 return -EBUSY;
3472
3473 if (admitted_time) {
3474 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3475 ifmgd->tx_tspec[ac].tsid = tsid;
3476 ifmgd->tx_tspec[ac].up = up;
3477 }
3478
3479 return 0;
3480 }
3481
3482 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3483 u8 tsid, const u8 *peer)
3484 {
3485 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3486 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3487 struct ieee80211_local *local = wiphy_priv(wiphy);
3488 int ac;
3489
3490 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3491 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3492
3493 /* skip unused entries */
3494 if (!tx_tspec->admitted_time)
3495 continue;
3496
3497 if (tx_tspec->tsid != tsid)
3498 continue;
3499
3500 /* due to this new packets will be reassigned to non-ACM ACs */
3501 tx_tspec->up = -1;
3502
3503 /* Make sure that all packets have been sent to avoid to
3504 * restore the QoS params on packets that are still on the
3505 * queues.
3506 */
3507 synchronize_net();
3508 ieee80211_flush_queues(local, sdata, false);
3509
3510 /* restore the normal QoS parameters
3511 * (unconditionally to avoid races)
3512 */
3513 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3514 tx_tspec->downgraded = false;
3515 ieee80211_sta_handle_tspec_ac_params(sdata);
3516
3517 /* finally clear all the data */
3518 memset(tx_tspec, 0, sizeof(*tx_tspec));
3519
3520 return 0;
3521 }
3522
3523 return -ENOENT;
3524 }
3525
3526 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3527 u8 inst_id,
3528 enum nl80211_nan_func_term_reason reason,
3529 gfp_t gfp)
3530 {
3531 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3532 struct cfg80211_nan_func *func;
3533 u64 cookie;
3534
3535 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3536 return;
3537
3538 spin_lock_bh(&sdata->u.nan.func_lock);
3539
3540 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3541 if (WARN_ON(!func)) {
3542 spin_unlock_bh(&sdata->u.nan.func_lock);
3543 return;
3544 }
3545
3546 cookie = func->cookie;
3547 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3548
3549 spin_unlock_bh(&sdata->u.nan.func_lock);
3550
3551 cfg80211_free_nan_func(func);
3552
3553 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3554 reason, cookie, gfp);
3555 }
3556 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3557
3558 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3559 struct cfg80211_nan_match_params *match,
3560 gfp_t gfp)
3561 {
3562 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3563 struct cfg80211_nan_func *func;
3564
3565 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3566 return;
3567
3568 spin_lock_bh(&sdata->u.nan.func_lock);
3569
3570 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3571 if (WARN_ON(!func)) {
3572 spin_unlock_bh(&sdata->u.nan.func_lock);
3573 return;
3574 }
3575 match->cookie = func->cookie;
3576
3577 spin_unlock_bh(&sdata->u.nan.func_lock);
3578
3579 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3580 }
3581 EXPORT_SYMBOL(ieee80211_nan_func_match);
3582
3583 const struct cfg80211_ops mac80211_config_ops = {
3584 .add_virtual_intf = ieee80211_add_iface,
3585 .del_virtual_intf = ieee80211_del_iface,
3586 .change_virtual_intf = ieee80211_change_iface,
3587 .start_p2p_device = ieee80211_start_p2p_device,
3588 .stop_p2p_device = ieee80211_stop_p2p_device,
3589 .add_key = ieee80211_add_key,
3590 .del_key = ieee80211_del_key,
3591 .get_key = ieee80211_get_key,
3592 .set_default_key = ieee80211_config_default_key,
3593 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3594 .start_ap = ieee80211_start_ap,
3595 .change_beacon = ieee80211_change_beacon,
3596 .stop_ap = ieee80211_stop_ap,
3597 .add_station = ieee80211_add_station,
3598 .del_station = ieee80211_del_station,
3599 .change_station = ieee80211_change_station,
3600 .get_station = ieee80211_get_station,
3601 .dump_station = ieee80211_dump_station,
3602 .dump_survey = ieee80211_dump_survey,
3603 #ifdef CONFIG_MAC80211_MESH
3604 .add_mpath = ieee80211_add_mpath,
3605 .del_mpath = ieee80211_del_mpath,
3606 .change_mpath = ieee80211_change_mpath,
3607 .get_mpath = ieee80211_get_mpath,
3608 .dump_mpath = ieee80211_dump_mpath,
3609 .get_mpp = ieee80211_get_mpp,
3610 .dump_mpp = ieee80211_dump_mpp,
3611 .update_mesh_config = ieee80211_update_mesh_config,
3612 .get_mesh_config = ieee80211_get_mesh_config,
3613 .join_mesh = ieee80211_join_mesh,
3614 .leave_mesh = ieee80211_leave_mesh,
3615 #endif
3616 .join_ocb = ieee80211_join_ocb,
3617 .leave_ocb = ieee80211_leave_ocb,
3618 .change_bss = ieee80211_change_bss,
3619 .set_txq_params = ieee80211_set_txq_params,
3620 .set_monitor_channel = ieee80211_set_monitor_channel,
3621 .suspend = ieee80211_suspend,
3622 .resume = ieee80211_resume,
3623 .scan = ieee80211_scan,
3624 .abort_scan = ieee80211_abort_scan,
3625 .sched_scan_start = ieee80211_sched_scan_start,
3626 .sched_scan_stop = ieee80211_sched_scan_stop,
3627 .auth = ieee80211_auth,
3628 .assoc = ieee80211_assoc,
3629 .deauth = ieee80211_deauth,
3630 .disassoc = ieee80211_disassoc,
3631 .join_ibss = ieee80211_join_ibss,
3632 .leave_ibss = ieee80211_leave_ibss,
3633 .set_mcast_rate = ieee80211_set_mcast_rate,
3634 .set_wiphy_params = ieee80211_set_wiphy_params,
3635 .set_tx_power = ieee80211_set_tx_power,
3636 .get_tx_power = ieee80211_get_tx_power,
3637 .set_wds_peer = ieee80211_set_wds_peer,
3638 .rfkill_poll = ieee80211_rfkill_poll,
3639 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3640 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3641 .set_power_mgmt = ieee80211_set_power_mgmt,
3642 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3643 .remain_on_channel = ieee80211_remain_on_channel,
3644 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3645 .mgmt_tx = ieee80211_mgmt_tx,
3646 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3647 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3648 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3649 .set_antenna = ieee80211_set_antenna,
3650 .get_antenna = ieee80211_get_antenna,
3651 .set_rekey_data = ieee80211_set_rekey_data,
3652 .tdls_oper = ieee80211_tdls_oper,
3653 .tdls_mgmt = ieee80211_tdls_mgmt,
3654 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3655 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3656 .probe_client = ieee80211_probe_client,
3657 .set_noack_map = ieee80211_set_noack_map,
3658 #ifdef CONFIG_PM
3659 .set_wakeup = ieee80211_set_wakeup,
3660 #endif
3661 .get_channel = ieee80211_cfg_get_channel,
3662 .start_radar_detection = ieee80211_start_radar_detection,
3663 .channel_switch = ieee80211_channel_switch,
3664 .set_qos_map = ieee80211_set_qos_map,
3665 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3666 .add_tx_ts = ieee80211_add_tx_ts,
3667 .del_tx_ts = ieee80211_del_tx_ts,
3668 .start_nan = ieee80211_start_nan,
3669 .stop_nan = ieee80211_stop_nan,
3670 .nan_change_conf = ieee80211_nan_change_conf,
3671 .add_nan_func = ieee80211_add_nan_func,
3672 .del_nan_func = ieee80211_del_nan_func,
3673 };
Linux with added FPC-III support