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9#include <linux/ieee80211.h>
10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
12#include <linux/slab.h>
13#include <net/net_namespace.h>
14#include <linux/rcupdate.h>
15#include <net/cfg80211.h>
16#include "ieee80211_i.h"
17#include "driver-ops.h"
18#include "cfg.h"
19#include "rate.h"
20#include "mesh.h"
21
22static bool nl80211_type_check(enum nl80211_iftype type)
23{
24 switch (type) {
25 case NL80211_IFTYPE_ADHOC:
26 case NL80211_IFTYPE_STATION:
27 case NL80211_IFTYPE_MONITOR:
28#ifdef CONFIG_MAC80211_MESH
29 case NL80211_IFTYPE_MESH_POINT:
30#endif
31 case NL80211_IFTYPE_AP:
32 case NL80211_IFTYPE_AP_VLAN:
33 case NL80211_IFTYPE_WDS:
34 return true;
35 default:
36 return false;
37 }
38}
39
40static bool nl80211_params_check(enum nl80211_iftype type,
41 struct vif_params *params)
42{
43 if (!nl80211_type_check(type))
44 return false;
45
46 return true;
47}
48
49static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
50 enum nl80211_iftype type, u32 *flags,
51 struct vif_params *params)
52{
53 struct ieee80211_local *local = wiphy_priv(wiphy);
54 struct net_device *dev;
55 struct ieee80211_sub_if_data *sdata;
56 int err;
57
58 if (!nl80211_params_check(type, params))
59 return -EINVAL;
60
61 err = ieee80211_if_add(local, name, &dev, type, params);
62 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
63 return err;
64
65 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66 sdata->u.mntr_flags = *flags;
67 return 0;
68}
69
70static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
71{
72 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
73
74 return 0;
75}
76
77static int ieee80211_change_iface(struct wiphy *wiphy,
78 struct net_device *dev,
79 enum nl80211_iftype type, u32 *flags,
80 struct vif_params *params)
81{
82 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
83 int ret;
84
85 if (ieee80211_sdata_running(sdata))
86 return -EBUSY;
87
88 if (!nl80211_params_check(type, params))
89 return -EINVAL;
90
91 ret = ieee80211_if_change_type(sdata, type);
92 if (ret)
93 return ret;
94
95 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
96 ieee80211_sdata_set_mesh_id(sdata,
97 params->mesh_id_len,
98 params->mesh_id);
99
100 if (type == NL80211_IFTYPE_AP_VLAN &&
101 params && params->use_4addr == 0)
102 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
103 else if (type == NL80211_IFTYPE_STATION &&
104 params && params->use_4addr >= 0)
105 sdata->u.mgd.use_4addr = params->use_4addr;
106
107 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags)
108 sdata->u.mntr_flags = *flags;
109
110 return 0;
111}
112
113static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
114 u8 key_idx, const u8 *mac_addr,
115 struct key_params *params)
116{
117 struct ieee80211_sub_if_data *sdata;
118 struct sta_info *sta = NULL;
119 enum ieee80211_key_alg alg;
120 struct ieee80211_key *key;
121 int err;
122
123 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124
125 switch (params->cipher) {
126 case WLAN_CIPHER_SUITE_WEP40:
127 case WLAN_CIPHER_SUITE_WEP104:
128 alg = ALG_WEP;
129 break;
130 case WLAN_CIPHER_SUITE_TKIP:
131 alg = ALG_TKIP;
132 break;
133 case WLAN_CIPHER_SUITE_CCMP:
134 alg = ALG_CCMP;
135 break;
136 case WLAN_CIPHER_SUITE_AES_CMAC:
137 alg = ALG_AES_CMAC;
138 break;
139 default:
140 return -EINVAL;
141 }
142
143 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
144 params->seq_len, params->seq);
145 if (!key)
146 return -ENOMEM;
147
148 rcu_read_lock();
149
150 if (mac_addr) {
151 sta = sta_info_get_bss(sdata, mac_addr);
152 if (!sta) {
153 ieee80211_key_free(key);
154 err = -ENOENT;
155 goto out_unlock;
156 }
157 }
158
159 ieee80211_key_link(key, sdata, sta);
160
161 err = 0;
162 out_unlock:
163 rcu_read_unlock();
164
165 return err;
166}
167
168static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
169 u8 key_idx, const u8 *mac_addr)
170{
171 struct ieee80211_sub_if_data *sdata;
172 struct sta_info *sta;
173 int ret;
174
175 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
176
177 rcu_read_lock();
178
179 if (mac_addr) {
180 ret = -ENOENT;
181
182 sta = sta_info_get_bss(sdata, mac_addr);
183 if (!sta)
184 goto out_unlock;
185
186 if (sta->key) {
187 ieee80211_key_free(sta->key);
188 WARN_ON(sta->key);
189 ret = 0;
190 }
191
192 goto out_unlock;
193 }
194
195 if (!sdata->keys[key_idx]) {
196 ret = -ENOENT;
197 goto out_unlock;
198 }
199
200 ieee80211_key_free(sdata->keys[key_idx]);
201 WARN_ON(sdata->keys[key_idx]);
202
203 ret = 0;
204 out_unlock:
205 rcu_read_unlock();
206
207 return ret;
208}
209
210static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
211 u8 key_idx, const u8 *mac_addr, void *cookie,
212 void (*callback)(void *cookie,
213 struct key_params *params))
214{
215 struct ieee80211_sub_if_data *sdata;
216 struct sta_info *sta = NULL;
217 u8 seq[6] = {0};
218 struct key_params params;
219 struct ieee80211_key *key;
220 u32 iv32;
221 u16 iv16;
222 int err = -ENOENT;
223
224 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
225
226 rcu_read_lock();
227
228 if (mac_addr) {
229 sta = sta_info_get_bss(sdata, mac_addr);
230 if (!sta)
231 goto out;
232
233 key = sta->key;
234 } else
235 key = sdata->keys[key_idx];
236
237 if (!key)
238 goto out;
239
240 memset(¶ms, 0, sizeof(params));
241
242 switch (key->conf.alg) {
243 case ALG_TKIP:
244 params.cipher = WLAN_CIPHER_SUITE_TKIP;
245
246 iv32 = key->u.tkip.tx.iv32;
247 iv16 = key->u.tkip.tx.iv16;
248
249 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
250 drv_get_tkip_seq(sdata->local,
251 key->conf.hw_key_idx,
252 &iv32, &iv16);
253
254 seq[0] = iv16 & 0xff;
255 seq[1] = (iv16 >> 8) & 0xff;
256 seq[2] = iv32 & 0xff;
257 seq[3] = (iv32 >> 8) & 0xff;
258 seq[4] = (iv32 >> 16) & 0xff;
259 seq[5] = (iv32 >> 24) & 0xff;
260 params.seq = seq;
261 params.seq_len = 6;
262 break;
263 case ALG_CCMP:
264 params.cipher = WLAN_CIPHER_SUITE_CCMP;
265 seq[0] = key->u.ccmp.tx_pn[5];
266 seq[1] = key->u.ccmp.tx_pn[4];
267 seq[2] = key->u.ccmp.tx_pn[3];
268 seq[3] = key->u.ccmp.tx_pn[2];
269 seq[4] = key->u.ccmp.tx_pn[1];
270 seq[5] = key->u.ccmp.tx_pn[0];
271 params.seq = seq;
272 params.seq_len = 6;
273 break;
274 case ALG_WEP:
275 if (key->conf.keylen == 5)
276 params.cipher = WLAN_CIPHER_SUITE_WEP40;
277 else
278 params.cipher = WLAN_CIPHER_SUITE_WEP104;
279 break;
280 case ALG_AES_CMAC:
281 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
282 seq[0] = key->u.aes_cmac.tx_pn[5];
283 seq[1] = key->u.aes_cmac.tx_pn[4];
284 seq[2] = key->u.aes_cmac.tx_pn[3];
285 seq[3] = key->u.aes_cmac.tx_pn[2];
286 seq[4] = key->u.aes_cmac.tx_pn[1];
287 seq[5] = key->u.aes_cmac.tx_pn[0];
288 params.seq = seq;
289 params.seq_len = 6;
290 break;
291 }
292
293 params.key = key->conf.key;
294 params.key_len = key->conf.keylen;
295
296 callback(cookie, ¶ms);
297 err = 0;
298
299 out:
300 rcu_read_unlock();
301 return err;
302}
303
304static int ieee80211_config_default_key(struct wiphy *wiphy,
305 struct net_device *dev,
306 u8 key_idx)
307{
308 struct ieee80211_sub_if_data *sdata;
309
310 rcu_read_lock();
311
312 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313 ieee80211_set_default_key(sdata, key_idx);
314
315 rcu_read_unlock();
316
317 return 0;
318}
319
320static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
321 struct net_device *dev,
322 u8 key_idx)
323{
324 struct ieee80211_sub_if_data *sdata;
325
326 rcu_read_lock();
327
328 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
329 ieee80211_set_default_mgmt_key(sdata, key_idx);
330
331 rcu_read_unlock();
332
333 return 0;
334}
335
336static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
337{
338 struct ieee80211_sub_if_data *sdata = sta->sdata;
339
340 sinfo->generation = sdata->local->sta_generation;
341
342 sinfo->filled = STATION_INFO_INACTIVE_TIME |
343 STATION_INFO_RX_BYTES |
344 STATION_INFO_TX_BYTES |
345 STATION_INFO_RX_PACKETS |
346 STATION_INFO_TX_PACKETS |
347 STATION_INFO_TX_BITRATE;
348
349 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
350 sinfo->rx_bytes = sta->rx_bytes;
351 sinfo->tx_bytes = sta->tx_bytes;
352 sinfo->rx_packets = sta->rx_packets;
353 sinfo->tx_packets = sta->tx_packets;
354
355 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
356 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
357 sinfo->filled |= STATION_INFO_SIGNAL;
358 sinfo->signal = (s8)sta->last_signal;
359 }
360
361 sinfo->txrate.flags = 0;
362 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
363 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
368
369 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
370 struct ieee80211_supported_band *sband;
371 sband = sta->local->hw.wiphy->bands[
372 sta->local->hw.conf.channel->band];
373 sinfo->txrate.legacy =
374 sband->bitrates[sta->last_tx_rate.idx].bitrate;
375 } else
376 sinfo->txrate.mcs = sta->last_tx_rate.idx;
377
378 if (ieee80211_vif_is_mesh(&sdata->vif)) {
379#ifdef CONFIG_MAC80211_MESH
380 sinfo->filled |= STATION_INFO_LLID |
381 STATION_INFO_PLID |
382 STATION_INFO_PLINK_STATE;
383
384 sinfo->llid = le16_to_cpu(sta->llid);
385 sinfo->plid = le16_to_cpu(sta->plid);
386 sinfo->plink_state = sta->plink_state;
387#endif
388 }
389}
390
391
392static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
393 int idx, u8 *mac, struct station_info *sinfo)
394{
395 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
396 struct sta_info *sta;
397 int ret = -ENOENT;
398
399 rcu_read_lock();
400
401 sta = sta_info_get_by_idx(sdata, idx);
402 if (sta) {
403 ret = 0;
404 memcpy(mac, sta->sta.addr, ETH_ALEN);
405 sta_set_sinfo(sta, sinfo);
406 }
407
408 rcu_read_unlock();
409
410 return ret;
411}
412
413static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
414 int idx, struct survey_info *survey)
415{
416 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
417
418 if (!local->ops->get_survey)
419 return -EOPNOTSUPP;
420
421 return drv_get_survey(local, idx, survey);
422}
423
424static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
425 u8 *mac, struct station_info *sinfo)
426{
427 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
428 struct sta_info *sta;
429 int ret = -ENOENT;
430
431 rcu_read_lock();
432
433 sta = sta_info_get_bss(sdata, mac);
434 if (sta) {
435 ret = 0;
436 sta_set_sinfo(sta, sinfo);
437 }
438
439 rcu_read_unlock();
440
441 return ret;
442}
443
444
445
446
447static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
448 struct beacon_parameters *params)
449{
450 struct beacon_data *new, *old;
451 int new_head_len, new_tail_len;
452 int size;
453 int err = -EINVAL;
454
455 old = sdata->u.ap.beacon;
456
457
458 if (params->head && !params->head_len)
459 return -EINVAL;
460
461
462
463
464
465 if (params->interval &&
466 (sdata->vif.bss_conf.beacon_int != params->interval)) {
467 sdata->vif.bss_conf.beacon_int = params->interval;
468 ieee80211_bss_info_change_notify(sdata,
469 BSS_CHANGED_BEACON_INT);
470 }
471
472
473 if (!params->head && !old)
474 return err;
475
476
477 if (!params->dtim_period && !old)
478 return err;
479
480
481 if (params->head)
482 new_head_len = params->head_len;
483 else
484 new_head_len = old->head_len;
485
486
487 if (params->tail || !old)
488
489 new_tail_len = params->tail_len;
490 else
491 new_tail_len = old->tail_len;
492
493 size = sizeof(*new) + new_head_len + new_tail_len;
494
495 new = kzalloc(size, GFP_KERNEL);
496 if (!new)
497 return -ENOMEM;
498
499
500
501
502 if (params->dtim_period)
503 new->dtim_period = params->dtim_period;
504 else
505 new->dtim_period = old->dtim_period;
506
507
508
509
510
511 new->head = ((u8 *) new) + sizeof(*new);
512 new->tail = new->head + new_head_len;
513 new->head_len = new_head_len;
514 new->tail_len = new_tail_len;
515
516
517 if (params->head)
518 memcpy(new->head, params->head, new_head_len);
519 else
520 memcpy(new->head, old->head, new_head_len);
521
522
523 if (params->tail)
524 memcpy(new->tail, params->tail, new_tail_len);
525 else
526 if (old)
527 memcpy(new->tail, old->tail, new_tail_len);
528
529 sdata->vif.bss_conf.dtim_period = new->dtim_period;
530
531 rcu_assign_pointer(sdata->u.ap.beacon, new);
532
533 synchronize_rcu();
534
535 kfree(old);
536
537 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
538 BSS_CHANGED_BEACON);
539 return 0;
540}
541
542static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
543 struct beacon_parameters *params)
544{
545 struct ieee80211_sub_if_data *sdata;
546 struct beacon_data *old;
547
548 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
549
550 old = sdata->u.ap.beacon;
551
552 if (old)
553 return -EALREADY;
554
555 return ieee80211_config_beacon(sdata, params);
556}
557
558static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
559 struct beacon_parameters *params)
560{
561 struct ieee80211_sub_if_data *sdata;
562 struct beacon_data *old;
563
564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
565
566 old = sdata->u.ap.beacon;
567
568 if (!old)
569 return -ENOENT;
570
571 return ieee80211_config_beacon(sdata, params);
572}
573
574static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
575{
576 struct ieee80211_sub_if_data *sdata;
577 struct beacon_data *old;
578
579 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
580
581 old = sdata->u.ap.beacon;
582
583 if (!old)
584 return -ENOENT;
585
586 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
587 synchronize_rcu();
588 kfree(old);
589
590 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
591 return 0;
592}
593
594
595struct iapp_layer2_update {
596 u8 da[ETH_ALEN];
597 u8 sa[ETH_ALEN];
598 __be16 len;
599 u8 dsap;
600 u8 ssap;
601 u8 control;
602 u8 xid_info[3];
603} __attribute__ ((packed));
604
605static void ieee80211_send_layer2_update(struct sta_info *sta)
606{
607 struct iapp_layer2_update *msg;
608 struct sk_buff *skb;
609
610
611
612
613 skb = dev_alloc_skb(sizeof(*msg));
614 if (!skb)
615 return;
616 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
617
618
619
620
621 memset(msg->da, 0xff, ETH_ALEN);
622 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
623 msg->len = htons(6);
624 msg->dsap = 0;
625 msg->ssap = 0x01;
626 msg->control = 0xaf;
627
628 msg->xid_info[0] = 0x81;
629 msg->xid_info[1] = 1;
630 msg->xid_info[2] = 0;
631
632 skb->dev = sta->sdata->dev;
633 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
634 memset(skb->cb, 0, sizeof(skb->cb));
635 netif_rx_ni(skb);
636}
637
638static void sta_apply_parameters(struct ieee80211_local *local,
639 struct sta_info *sta,
640 struct station_parameters *params)
641{
642 u32 rates;
643 int i, j;
644 struct ieee80211_supported_band *sband;
645 struct ieee80211_sub_if_data *sdata = sta->sdata;
646 u32 mask, set;
647
648 sband = local->hw.wiphy->bands[local->oper_channel->band];
649
650 spin_lock_bh(&sta->lock);
651 mask = params->sta_flags_mask;
652 set = params->sta_flags_set;
653
654 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
655 sta->flags &= ~WLAN_STA_AUTHORIZED;
656 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
657 sta->flags |= WLAN_STA_AUTHORIZED;
658 }
659
660 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
661 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
662 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
663 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
664 }
665
666 if (mask & BIT(NL80211_STA_FLAG_WME)) {
667 sta->flags &= ~WLAN_STA_WME;
668 if (set & BIT(NL80211_STA_FLAG_WME))
669 sta->flags |= WLAN_STA_WME;
670 }
671
672 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
673 sta->flags &= ~WLAN_STA_MFP;
674 if (set & BIT(NL80211_STA_FLAG_MFP))
675 sta->flags |= WLAN_STA_MFP;
676 }
677 spin_unlock_bh(&sta->lock);
678
679
680
681
682
683 if (params->aid)
684 sta->sta.aid = params->aid;
685
686
687
688
689
690
691
692
693 if (params->listen_interval >= 0)
694 sta->listen_interval = params->listen_interval;
695
696 if (params->supported_rates) {
697 rates = 0;
698
699 for (i = 0; i < params->supported_rates_len; i++) {
700 int rate = (params->supported_rates[i] & 0x7f) * 5;
701 for (j = 0; j < sband->n_bitrates; j++) {
702 if (sband->bitrates[j].bitrate == rate)
703 rates |= BIT(j);
704 }
705 }
706 sta->sta.supp_rates[local->oper_channel->band] = rates;
707 }
708
709 if (params->ht_capa)
710 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
711 params->ht_capa,
712 &sta->sta.ht_cap);
713
714 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
715 switch (params->plink_action) {
716 case PLINK_ACTION_OPEN:
717 mesh_plink_open(sta);
718 break;
719 case PLINK_ACTION_BLOCK:
720 mesh_plink_block(sta);
721 break;
722 }
723 }
724}
725
726static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
727 u8 *mac, struct station_parameters *params)
728{
729 struct ieee80211_local *local = wiphy_priv(wiphy);
730 struct sta_info *sta;
731 struct ieee80211_sub_if_data *sdata;
732 int err;
733 int layer2_update;
734
735 if (params->vlan) {
736 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
737
738 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
739 sdata->vif.type != NL80211_IFTYPE_AP)
740 return -EINVAL;
741 } else
742 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
743
744 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
745 return -EINVAL;
746
747 if (is_multicast_ether_addr(mac))
748 return -EINVAL;
749
750 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
751 if (!sta)
752 return -ENOMEM;
753
754 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
755
756 sta_apply_parameters(local, sta, params);
757
758 rate_control_rate_init(sta);
759
760 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
761 sdata->vif.type == NL80211_IFTYPE_AP;
762
763 err = sta_info_insert_rcu(sta);
764 if (err) {
765 rcu_read_unlock();
766 return err;
767 }
768
769 if (layer2_update)
770 ieee80211_send_layer2_update(sta);
771
772 rcu_read_unlock();
773
774 return 0;
775}
776
777static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
778 u8 *mac)
779{
780 struct ieee80211_local *local = wiphy_priv(wiphy);
781 struct ieee80211_sub_if_data *sdata;
782
783 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
784
785 if (mac)
786 return sta_info_destroy_addr_bss(sdata, mac);
787
788 sta_info_flush(local, sdata);
789 return 0;
790}
791
792static int ieee80211_change_station(struct wiphy *wiphy,
793 struct net_device *dev,
794 u8 *mac,
795 struct station_parameters *params)
796{
797 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
798 struct ieee80211_local *local = wiphy_priv(wiphy);
799 struct sta_info *sta;
800 struct ieee80211_sub_if_data *vlansdata;
801
802 rcu_read_lock();
803
804 sta = sta_info_get_bss(sdata, mac);
805 if (!sta) {
806 rcu_read_unlock();
807 return -ENOENT;
808 }
809
810 if (params->vlan && params->vlan != sta->sdata->dev) {
811 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
812
813 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
814 vlansdata->vif.type != NL80211_IFTYPE_AP) {
815 rcu_read_unlock();
816 return -EINVAL;
817 }
818
819 if (params->vlan->ieee80211_ptr->use_4addr) {
820 if (vlansdata->u.vlan.sta) {
821 rcu_read_unlock();
822 return -EBUSY;
823 }
824
825 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
826 }
827
828 sta->sdata = vlansdata;
829 ieee80211_send_layer2_update(sta);
830 }
831
832 sta_apply_parameters(local, sta, params);
833
834 rcu_read_unlock();
835
836 return 0;
837}
838
839#ifdef CONFIG_MAC80211_MESH
840static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
841 u8 *dst, u8 *next_hop)
842{
843 struct ieee80211_sub_if_data *sdata;
844 struct mesh_path *mpath;
845 struct sta_info *sta;
846 int err;
847
848 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
849
850 rcu_read_lock();
851 sta = sta_info_get(sdata, next_hop);
852 if (!sta) {
853 rcu_read_unlock();
854 return -ENOENT;
855 }
856
857 err = mesh_path_add(dst, sdata);
858 if (err) {
859 rcu_read_unlock();
860 return err;
861 }
862
863 mpath = mesh_path_lookup(dst, sdata);
864 if (!mpath) {
865 rcu_read_unlock();
866 return -ENXIO;
867 }
868 mesh_path_fix_nexthop(mpath, sta);
869
870 rcu_read_unlock();
871 return 0;
872}
873
874static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
875 u8 *dst)
876{
877 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
878
879 if (dst)
880 return mesh_path_del(dst, sdata);
881
882 mesh_path_flush(sdata);
883 return 0;
884}
885
886static int ieee80211_change_mpath(struct wiphy *wiphy,
887 struct net_device *dev,
888 u8 *dst, u8 *next_hop)
889{
890 struct ieee80211_sub_if_data *sdata;
891 struct mesh_path *mpath;
892 struct sta_info *sta;
893
894 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
895
896 rcu_read_lock();
897
898 sta = sta_info_get(sdata, next_hop);
899 if (!sta) {
900 rcu_read_unlock();
901 return -ENOENT;
902 }
903
904 mpath = mesh_path_lookup(dst, sdata);
905 if (!mpath) {
906 rcu_read_unlock();
907 return -ENOENT;
908 }
909
910 mesh_path_fix_nexthop(mpath, sta);
911
912 rcu_read_unlock();
913 return 0;
914}
915
916static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
917 struct mpath_info *pinfo)
918{
919 if (mpath->next_hop)
920 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
921 else
922 memset(next_hop, 0, ETH_ALEN);
923
924 pinfo->generation = mesh_paths_generation;
925
926 pinfo->filled = MPATH_INFO_FRAME_QLEN |
927 MPATH_INFO_SN |
928 MPATH_INFO_METRIC |
929 MPATH_INFO_EXPTIME |
930 MPATH_INFO_DISCOVERY_TIMEOUT |
931 MPATH_INFO_DISCOVERY_RETRIES |
932 MPATH_INFO_FLAGS;
933
934 pinfo->frame_qlen = mpath->frame_queue.qlen;
935 pinfo->sn = mpath->sn;
936 pinfo->metric = mpath->metric;
937 if (time_before(jiffies, mpath->exp_time))
938 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
939 pinfo->discovery_timeout =
940 jiffies_to_msecs(mpath->discovery_timeout);
941 pinfo->discovery_retries = mpath->discovery_retries;
942 pinfo->flags = 0;
943 if (mpath->flags & MESH_PATH_ACTIVE)
944 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
945 if (mpath->flags & MESH_PATH_RESOLVING)
946 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
947 if (mpath->flags & MESH_PATH_SN_VALID)
948 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
949 if (mpath->flags & MESH_PATH_FIXED)
950 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
951 if (mpath->flags & MESH_PATH_RESOLVING)
952 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
953
954 pinfo->flags = mpath->flags;
955}
956
957static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
958 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
959
960{
961 struct ieee80211_sub_if_data *sdata;
962 struct mesh_path *mpath;
963
964 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
965
966 rcu_read_lock();
967 mpath = mesh_path_lookup(dst, sdata);
968 if (!mpath) {
969 rcu_read_unlock();
970 return -ENOENT;
971 }
972 memcpy(dst, mpath->dst, ETH_ALEN);
973 mpath_set_pinfo(mpath, next_hop, pinfo);
974 rcu_read_unlock();
975 return 0;
976}
977
978static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
979 int idx, u8 *dst, u8 *next_hop,
980 struct mpath_info *pinfo)
981{
982 struct ieee80211_sub_if_data *sdata;
983 struct mesh_path *mpath;
984
985 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
986
987 rcu_read_lock();
988 mpath = mesh_path_lookup_by_idx(idx, sdata);
989 if (!mpath) {
990 rcu_read_unlock();
991 return -ENOENT;
992 }
993 memcpy(dst, mpath->dst, ETH_ALEN);
994 mpath_set_pinfo(mpath, next_hop, pinfo);
995 rcu_read_unlock();
996 return 0;
997}
998
999static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1000 struct net_device *dev,
1001 struct mesh_config *conf)
1002{
1003 struct ieee80211_sub_if_data *sdata;
1004 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1005
1006 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1007 return 0;
1008}
1009
1010static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1011{
1012 return (mask >> (parm-1)) & 0x1;
1013}
1014
1015static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1016 struct net_device *dev,
1017 const struct mesh_config *nconf, u32 mask)
1018{
1019 struct mesh_config *conf;
1020 struct ieee80211_sub_if_data *sdata;
1021 struct ieee80211_if_mesh *ifmsh;
1022
1023 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1024 ifmsh = &sdata->u.mesh;
1025
1026
1027 conf = &(sdata->u.mesh.mshcfg);
1028 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1029 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1030 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1031 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1033 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1035 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1037 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1039 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1041 conf->auto_open_plinks = nconf->auto_open_plinks;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1043 conf->dot11MeshHWMPmaxPREQretries =
1044 nconf->dot11MeshHWMPmaxPREQretries;
1045 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1046 conf->path_refresh_time = nconf->path_refresh_time;
1047 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1048 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1050 conf->dot11MeshHWMPactivePathTimeout =
1051 nconf->dot11MeshHWMPactivePathTimeout;
1052 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1053 conf->dot11MeshHWMPpreqMinInterval =
1054 nconf->dot11MeshHWMPpreqMinInterval;
1055 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1056 mask))
1057 conf->dot11MeshHWMPnetDiameterTraversalTime =
1058 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1059 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1060 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1061 ieee80211_mesh_root_setup(ifmsh);
1062 }
1063 return 0;
1064}
1065
1066#endif
1067
1068static int ieee80211_change_bss(struct wiphy *wiphy,
1069 struct net_device *dev,
1070 struct bss_parameters *params)
1071{
1072 struct ieee80211_sub_if_data *sdata;
1073 u32 changed = 0;
1074
1075 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1076
1077 if (params->use_cts_prot >= 0) {
1078 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1079 changed |= BSS_CHANGED_ERP_CTS_PROT;
1080 }
1081 if (params->use_short_preamble >= 0) {
1082 sdata->vif.bss_conf.use_short_preamble =
1083 params->use_short_preamble;
1084 changed |= BSS_CHANGED_ERP_PREAMBLE;
1085 }
1086
1087 if (!sdata->vif.bss_conf.use_short_slot &&
1088 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1089 sdata->vif.bss_conf.use_short_slot = true;
1090 changed |= BSS_CHANGED_ERP_SLOT;
1091 }
1092
1093 if (params->use_short_slot_time >= 0) {
1094 sdata->vif.bss_conf.use_short_slot =
1095 params->use_short_slot_time;
1096 changed |= BSS_CHANGED_ERP_SLOT;
1097 }
1098
1099 if (params->basic_rates) {
1100 int i, j;
1101 u32 rates = 0;
1102 struct ieee80211_local *local = wiphy_priv(wiphy);
1103 struct ieee80211_supported_band *sband =
1104 wiphy->bands[local->oper_channel->band];
1105
1106 for (i = 0; i < params->basic_rates_len; i++) {
1107 int rate = (params->basic_rates[i] & 0x7f) * 5;
1108 for (j = 0; j < sband->n_bitrates; j++) {
1109 if (sband->bitrates[j].bitrate == rate)
1110 rates |= BIT(j);
1111 }
1112 }
1113 sdata->vif.bss_conf.basic_rates = rates;
1114 changed |= BSS_CHANGED_BASIC_RATES;
1115 }
1116
1117 if (params->ap_isolate >= 0) {
1118 if (params->ap_isolate)
1119 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1120 else
1121 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1122 }
1123
1124 ieee80211_bss_info_change_notify(sdata, changed);
1125
1126 return 0;
1127}
1128
1129static int ieee80211_set_txq_params(struct wiphy *wiphy,
1130 struct ieee80211_txq_params *params)
1131{
1132 struct ieee80211_local *local = wiphy_priv(wiphy);
1133 struct ieee80211_tx_queue_params p;
1134
1135 if (!local->ops->conf_tx)
1136 return -EOPNOTSUPP;
1137
1138 memset(&p, 0, sizeof(p));
1139 p.aifs = params->aifs;
1140 p.cw_max = params->cwmax;
1141 p.cw_min = params->cwmin;
1142 p.txop = params->txop;
1143
1144
1145
1146
1147
1148 p.uapsd = false;
1149
1150 if (drv_conf_tx(local, params->queue, &p)) {
1151 printk(KERN_DEBUG "%s: failed to set TX queue "
1152 "parameters for queue %d\n",
1153 wiphy_name(local->hw.wiphy), params->queue);
1154 return -EINVAL;
1155 }
1156
1157
1158 local->hw.conf.flags |= IEEE80211_CONF_QOS;
1159 drv_config(local, IEEE80211_CONF_CHANGE_QOS);
1160
1161 return 0;
1162}
1163
1164static int ieee80211_set_channel(struct wiphy *wiphy,
1165 struct net_device *netdev,
1166 struct ieee80211_channel *chan,
1167 enum nl80211_channel_type channel_type)
1168{
1169 struct ieee80211_local *local = wiphy_priv(wiphy);
1170 struct ieee80211_sub_if_data *sdata = NULL;
1171
1172 if (netdev)
1173 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1174
1175 switch (ieee80211_get_channel_mode(local, NULL)) {
1176 case CHAN_MODE_HOPPING:
1177 return -EBUSY;
1178 case CHAN_MODE_FIXED:
1179 if (local->oper_channel != chan)
1180 return -EBUSY;
1181 if (!sdata && local->_oper_channel_type == channel_type)
1182 return 0;
1183 break;
1184 case CHAN_MODE_UNDEFINED:
1185 break;
1186 }
1187
1188 local->oper_channel = chan;
1189
1190 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1191 return -EBUSY;
1192
1193 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1194 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
1195 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1196
1197 return 0;
1198}
1199
1200#ifdef CONFIG_PM
1201static int ieee80211_suspend(struct wiphy *wiphy)
1202{
1203 return __ieee80211_suspend(wiphy_priv(wiphy));
1204}
1205
1206static int ieee80211_resume(struct wiphy *wiphy)
1207{
1208 return __ieee80211_resume(wiphy_priv(wiphy));
1209}
1210#else
1211#define ieee80211_suspend NULL
1212#define ieee80211_resume NULL
1213#endif
1214
1215static int ieee80211_scan(struct wiphy *wiphy,
1216 struct net_device *dev,
1217 struct cfg80211_scan_request *req)
1218{
1219 struct ieee80211_sub_if_data *sdata;
1220
1221 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1222
1223 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1224 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1225 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1226 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1227 return -EOPNOTSUPP;
1228
1229 return ieee80211_request_scan(sdata, req);
1230}
1231
1232static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1233 struct cfg80211_auth_request *req)
1234{
1235 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1236}
1237
1238static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1239 struct cfg80211_assoc_request *req)
1240{
1241 struct ieee80211_local *local = wiphy_priv(wiphy);
1242 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1243
1244 switch (ieee80211_get_channel_mode(local, sdata)) {
1245 case CHAN_MODE_HOPPING:
1246 return -EBUSY;
1247 case CHAN_MODE_FIXED:
1248 if (local->oper_channel == req->bss->channel)
1249 break;
1250 return -EBUSY;
1251 case CHAN_MODE_UNDEFINED:
1252 break;
1253 }
1254
1255 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1256}
1257
1258static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1259 struct cfg80211_deauth_request *req,
1260 void *cookie)
1261{
1262 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1263 req, cookie);
1264}
1265
1266static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1267 struct cfg80211_disassoc_request *req,
1268 void *cookie)
1269{
1270 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1271 req, cookie);
1272}
1273
1274static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1275 struct cfg80211_ibss_params *params)
1276{
1277 struct ieee80211_local *local = wiphy_priv(wiphy);
1278 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1279
1280 switch (ieee80211_get_channel_mode(local, sdata)) {
1281 case CHAN_MODE_HOPPING:
1282 return -EBUSY;
1283 case CHAN_MODE_FIXED:
1284 if (!params->channel_fixed)
1285 return -EBUSY;
1286 if (local->oper_channel == params->channel)
1287 break;
1288 return -EBUSY;
1289 case CHAN_MODE_UNDEFINED:
1290 break;
1291 }
1292
1293 return ieee80211_ibss_join(sdata, params);
1294}
1295
1296static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1297{
1298 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1299
1300 return ieee80211_ibss_leave(sdata);
1301}
1302
1303static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1304{
1305 struct ieee80211_local *local = wiphy_priv(wiphy);
1306 int err;
1307
1308 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1309 err = drv_set_coverage_class(local, wiphy->coverage_class);
1310
1311 if (err)
1312 return err;
1313 }
1314
1315 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1316 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1317
1318 if (err)
1319 return err;
1320 }
1321
1322 if (changed & WIPHY_PARAM_RETRY_SHORT)
1323 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1324 if (changed & WIPHY_PARAM_RETRY_LONG)
1325 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1326 if (changed &
1327 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1328 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1329
1330 return 0;
1331}
1332
1333static int ieee80211_set_tx_power(struct wiphy *wiphy,
1334 enum tx_power_setting type, int dbm)
1335{
1336 struct ieee80211_local *local = wiphy_priv(wiphy);
1337 struct ieee80211_channel *chan = local->hw.conf.channel;
1338 u32 changes = 0;
1339
1340 switch (type) {
1341 case TX_POWER_AUTOMATIC:
1342 local->user_power_level = -1;
1343 break;
1344 case TX_POWER_LIMITED:
1345 if (dbm < 0)
1346 return -EINVAL;
1347 local->user_power_level = dbm;
1348 break;
1349 case TX_POWER_FIXED:
1350 if (dbm < 0)
1351 return -EINVAL;
1352
1353 if (dbm > chan->max_power)
1354 return -EINVAL;
1355 local->user_power_level = dbm;
1356 break;
1357 }
1358
1359 ieee80211_hw_config(local, changes);
1360
1361 return 0;
1362}
1363
1364static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1365{
1366 struct ieee80211_local *local = wiphy_priv(wiphy);
1367
1368 *dbm = local->hw.conf.power_level;
1369
1370 return 0;
1371}
1372
1373static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1374 u8 *addr)
1375{
1376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1377
1378 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1379
1380 return 0;
1381}
1382
1383static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1384{
1385 struct ieee80211_local *local = wiphy_priv(wiphy);
1386
1387 drv_rfkill_poll(local);
1388}
1389
1390#ifdef CONFIG_NL80211_TESTMODE
1391static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1392{
1393 struct ieee80211_local *local = wiphy_priv(wiphy);
1394
1395 if (!local->ops->testmode_cmd)
1396 return -EOPNOTSUPP;
1397
1398 return local->ops->testmode_cmd(&local->hw, data, len);
1399}
1400#endif
1401
1402int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1403 enum ieee80211_smps_mode smps_mode)
1404{
1405 const u8 *ap;
1406 enum ieee80211_smps_mode old_req;
1407 int err;
1408
1409 old_req = sdata->u.mgd.req_smps;
1410 sdata->u.mgd.req_smps = smps_mode;
1411
1412 if (old_req == smps_mode &&
1413 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1414 return 0;
1415
1416
1417
1418
1419
1420 if (!sdata->u.mgd.associated ||
1421 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1422 mutex_lock(&sdata->local->iflist_mtx);
1423 ieee80211_recalc_smps(sdata->local, sdata);
1424 mutex_unlock(&sdata->local->iflist_mtx);
1425 return 0;
1426 }
1427
1428 ap = sdata->u.mgd.associated->bssid;
1429
1430 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1431 if (sdata->u.mgd.powersave)
1432 smps_mode = IEEE80211_SMPS_DYNAMIC;
1433 else
1434 smps_mode = IEEE80211_SMPS_OFF;
1435 }
1436
1437
1438 err = ieee80211_send_smps_action(sdata, smps_mode,
1439 ap, ap);
1440 if (err)
1441 sdata->u.mgd.req_smps = old_req;
1442
1443 return err;
1444}
1445
1446static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1447 bool enabled, int timeout)
1448{
1449 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1450 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1451 struct ieee80211_conf *conf = &local->hw.conf;
1452
1453 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1454 return -EOPNOTSUPP;
1455
1456 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1457 return -EOPNOTSUPP;
1458
1459 if (enabled == sdata->u.mgd.powersave &&
1460 timeout == conf->dynamic_ps_forced_timeout)
1461 return 0;
1462
1463 sdata->u.mgd.powersave = enabled;
1464 conf->dynamic_ps_forced_timeout = timeout;
1465
1466
1467 mutex_lock(&sdata->u.mgd.mtx);
1468 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1469 mutex_unlock(&sdata->u.mgd.mtx);
1470
1471 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1472 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1473
1474 ieee80211_recalc_ps(local, -1);
1475
1476 return 0;
1477}
1478
1479static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1480 struct net_device *dev,
1481 s32 rssi_thold, u32 rssi_hyst)
1482{
1483 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1484 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1485 struct ieee80211_vif *vif = &sdata->vif;
1486 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1487
1488 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1489 rssi_hyst == bss_conf->cqm_rssi_hyst)
1490 return 0;
1491
1492 bss_conf->cqm_rssi_thold = rssi_thold;
1493 bss_conf->cqm_rssi_hyst = rssi_hyst;
1494
1495 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1496 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1497 return -EOPNOTSUPP;
1498 return 0;
1499 }
1500
1501
1502 if (sdata->u.mgd.associated)
1503 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1504
1505 return 0;
1506}
1507
1508static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1509 struct net_device *dev,
1510 const u8 *addr,
1511 const struct cfg80211_bitrate_mask *mask)
1512{
1513 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1514 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1515 int i;
1516
1517
1518
1519
1520
1521
1522 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1523 return -EOPNOTSUPP;
1524
1525
1526 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1527 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1528
1529 return 0;
1530}
1531
1532static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1533 struct net_device *dev,
1534 struct ieee80211_channel *chan,
1535 enum nl80211_channel_type channel_type,
1536 unsigned int duration,
1537 u64 *cookie)
1538{
1539 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1540
1541 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1542 duration, cookie);
1543}
1544
1545static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1546 struct net_device *dev,
1547 u64 cookie)
1548{
1549 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1550
1551 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1552}
1553
1554static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
1555 struct ieee80211_channel *chan,
1556 enum nl80211_channel_type channel_type,
1557 const u8 *buf, size_t len, u64 *cookie)
1558{
1559 return ieee80211_mgd_action(IEEE80211_DEV_TO_SUB_IF(dev), chan,
1560 channel_type, buf, len, cookie);
1561}
1562
1563struct cfg80211_ops mac80211_config_ops = {
1564 .add_virtual_intf = ieee80211_add_iface,
1565 .del_virtual_intf = ieee80211_del_iface,
1566 .change_virtual_intf = ieee80211_change_iface,
1567 .add_key = ieee80211_add_key,
1568 .del_key = ieee80211_del_key,
1569 .get_key = ieee80211_get_key,
1570 .set_default_key = ieee80211_config_default_key,
1571 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1572 .add_beacon = ieee80211_add_beacon,
1573 .set_beacon = ieee80211_set_beacon,
1574 .del_beacon = ieee80211_del_beacon,
1575 .add_station = ieee80211_add_station,
1576 .del_station = ieee80211_del_station,
1577 .change_station = ieee80211_change_station,
1578 .get_station = ieee80211_get_station,
1579 .dump_station = ieee80211_dump_station,
1580 .dump_survey = ieee80211_dump_survey,
1581#ifdef CONFIG_MAC80211_MESH
1582 .add_mpath = ieee80211_add_mpath,
1583 .del_mpath = ieee80211_del_mpath,
1584 .change_mpath = ieee80211_change_mpath,
1585 .get_mpath = ieee80211_get_mpath,
1586 .dump_mpath = ieee80211_dump_mpath,
1587 .set_mesh_params = ieee80211_set_mesh_params,
1588 .get_mesh_params = ieee80211_get_mesh_params,
1589#endif
1590 .change_bss = ieee80211_change_bss,
1591 .set_txq_params = ieee80211_set_txq_params,
1592 .set_channel = ieee80211_set_channel,
1593 .suspend = ieee80211_suspend,
1594 .resume = ieee80211_resume,
1595 .scan = ieee80211_scan,
1596 .auth = ieee80211_auth,
1597 .assoc = ieee80211_assoc,
1598 .deauth = ieee80211_deauth,
1599 .disassoc = ieee80211_disassoc,
1600 .join_ibss = ieee80211_join_ibss,
1601 .leave_ibss = ieee80211_leave_ibss,
1602 .set_wiphy_params = ieee80211_set_wiphy_params,
1603 .set_tx_power = ieee80211_set_tx_power,
1604 .get_tx_power = ieee80211_get_tx_power,
1605 .set_wds_peer = ieee80211_set_wds_peer,
1606 .rfkill_poll = ieee80211_rfkill_poll,
1607 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1608 .set_power_mgmt = ieee80211_set_power_mgmt,
1609 .set_bitrate_mask = ieee80211_set_bitrate_mask,
1610 .remain_on_channel = ieee80211_remain_on_channel,
1611 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
1612 .action = ieee80211_action,
1613 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
1614};
1615
