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9p: fix build breakage introduced by FS-Cache
[wandboard.git] / net / mac80211 / cfg.c
blob7b5131bd6fa17827af6574bb624cf072e5f7b35e
1 /*
2 * mac80211 configuration hooks for cfg80211
3 *
4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <net/net_namespace.h>
13 #include <linux/rcupdate.h>
14 #include <net/cfg80211.h>
15 #include "ieee80211_i.h"
16 #include "driver-ops.h"
17 #include "cfg.h"
18 #include "rate.h"
19 #include "mesh.h"
20
21 static bool nl80211_type_check(enum nl80211_iftype type)
22 {
23 switch (type) {
24 case NL80211_IFTYPE_ADHOC:
25 case NL80211_IFTYPE_STATION:
26 case NL80211_IFTYPE_MONITOR:
27 #ifdef CONFIG_MAC80211_MESH
28 case NL80211_IFTYPE_MESH_POINT:
29 #endif
30 case NL80211_IFTYPE_AP:
31 case NL80211_IFTYPE_AP_VLAN:
32 case NL80211_IFTYPE_WDS:
33 return true;
34 default:
35 return false;
36 }
37 }
38
39 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
40 enum nl80211_iftype type, u32 *flags,
41 struct vif_params *params)
42 {
43 struct ieee80211_local *local = wiphy_priv(wiphy);
44 struct net_device *dev;
45 struct ieee80211_sub_if_data *sdata;
46 int err;
47
48 if (!nl80211_type_check(type))
49 return -EINVAL;
50
51 err = ieee80211_if_add(local, name, &dev, type, params);
52 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
53 return err;
54
55 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
56 sdata->u.mntr_flags = *flags;
57 return 0;
58 }
59
60 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
61 {
62 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
63
64 return 0;
65 }
66
67 static int ieee80211_change_iface(struct wiphy *wiphy,
68 struct net_device *dev,
69 enum nl80211_iftype type, u32 *flags,
70 struct vif_params *params)
71 {
72 struct ieee80211_sub_if_data *sdata;
73 int ret;
74
75 if (netif_running(dev))
76 return -EBUSY;
77
78 if (!nl80211_type_check(type))
79 return -EINVAL;
80
81 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
82
83 ret = ieee80211_if_change_type(sdata, type);
84 if (ret)
85 return ret;
86
87 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
88 ieee80211_sdata_set_mesh_id(sdata,
89 params->mesh_id_len,
90 params->mesh_id);
91
92 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
93 return 0;
94
95 sdata->u.mntr_flags = *flags;
96 return 0;
97 }
98
99 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
100 u8 key_idx, const u8 *mac_addr,
101 struct key_params *params)
102 {
103 struct ieee80211_sub_if_data *sdata;
104 struct sta_info *sta = NULL;
105 enum ieee80211_key_alg alg;
106 struct ieee80211_key *key;
107 int err;
108
109 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
110
111 switch (params->cipher) {
112 case WLAN_CIPHER_SUITE_WEP40:
113 case WLAN_CIPHER_SUITE_WEP104:
114 alg = ALG_WEP;
115 break;
116 case WLAN_CIPHER_SUITE_TKIP:
117 alg = ALG_TKIP;
118 break;
119 case WLAN_CIPHER_SUITE_CCMP:
120 alg = ALG_CCMP;
121 break;
122 case WLAN_CIPHER_SUITE_AES_CMAC:
123 alg = ALG_AES_CMAC;
124 break;
125 default:
126 return -EINVAL;
127 }
128
129 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
130 params->seq_len, params->seq);
131 if (!key)
132 return -ENOMEM;
133
134 rcu_read_lock();
135
136 if (mac_addr) {
137 sta = sta_info_get(sdata->local, mac_addr);
138 if (!sta) {
139 ieee80211_key_free(key);
140 err = -ENOENT;
141 goto out_unlock;
142 }
143 }
144
145 ieee80211_key_link(key, sdata, sta);
146
147 err = 0;
148 out_unlock:
149 rcu_read_unlock();
150
151 return err;
152 }
153
154 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
155 u8 key_idx, const u8 *mac_addr)
156 {
157 struct ieee80211_sub_if_data *sdata;
158 struct sta_info *sta;
159 int ret;
160
161 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
162
163 rcu_read_lock();
164
165 if (mac_addr) {
166 ret = -ENOENT;
167
168 sta = sta_info_get(sdata->local, mac_addr);
169 if (!sta)
170 goto out_unlock;
171
172 if (sta->key) {
173 ieee80211_key_free(sta->key);
174 WARN_ON(sta->key);
175 ret = 0;
176 }
177
178 goto out_unlock;
179 }
180
181 if (!sdata->keys[key_idx]) {
182 ret = -ENOENT;
183 goto out_unlock;
184 }
185
186 ieee80211_key_free(sdata->keys[key_idx]);
187 WARN_ON(sdata->keys[key_idx]);
188
189 ret = 0;
190 out_unlock:
191 rcu_read_unlock();
192
193 return ret;
194 }
195
196 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
197 u8 key_idx, const u8 *mac_addr, void *cookie,
198 void (*callback)(void *cookie,
199 struct key_params *params))
200 {
201 struct ieee80211_sub_if_data *sdata;
202 struct sta_info *sta = NULL;
203 u8 seq[6] = {0};
204 struct key_params params;
205 struct ieee80211_key *key;
206 u32 iv32;
207 u16 iv16;
208 int err = -ENOENT;
209
210 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
211
212 rcu_read_lock();
213
214 if (mac_addr) {
215 sta = sta_info_get(sdata->local, mac_addr);
216 if (!sta)
217 goto out;
218
219 key = sta->key;
220 } else
221 key = sdata->keys[key_idx];
222
223 if (!key)
224 goto out;
225
226 memset(&params, 0, sizeof(params));
227
228 switch (key->conf.alg) {
229 case ALG_TKIP:
230 params.cipher = WLAN_CIPHER_SUITE_TKIP;
231
232 iv32 = key->u.tkip.tx.iv32;
233 iv16 = key->u.tkip.tx.iv16;
234
235 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
236 drv_get_tkip_seq(sdata->local,
237 key->conf.hw_key_idx,
238 &iv32, &iv16);
239
240 seq[0] = iv16 & 0xff;
241 seq[1] = (iv16 >> 8) & 0xff;
242 seq[2] = iv32 & 0xff;
243 seq[3] = (iv32 >> 8) & 0xff;
244 seq[4] = (iv32 >> 16) & 0xff;
245 seq[5] = (iv32 >> 24) & 0xff;
246 params.seq = seq;
247 params.seq_len = 6;
248 break;
249 case ALG_CCMP:
250 params.cipher = WLAN_CIPHER_SUITE_CCMP;
251 seq[0] = key->u.ccmp.tx_pn[5];
252 seq[1] = key->u.ccmp.tx_pn[4];
253 seq[2] = key->u.ccmp.tx_pn[3];
254 seq[3] = key->u.ccmp.tx_pn[2];
255 seq[4] = key->u.ccmp.tx_pn[1];
256 seq[5] = key->u.ccmp.tx_pn[0];
257 params.seq = seq;
258 params.seq_len = 6;
259 break;
260 case ALG_WEP:
261 if (key->conf.keylen == 5)
262 params.cipher = WLAN_CIPHER_SUITE_WEP40;
263 else
264 params.cipher = WLAN_CIPHER_SUITE_WEP104;
265 break;
266 case ALG_AES_CMAC:
267 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
268 seq[0] = key->u.aes_cmac.tx_pn[5];
269 seq[1] = key->u.aes_cmac.tx_pn[4];
270 seq[2] = key->u.aes_cmac.tx_pn[3];
271 seq[3] = key->u.aes_cmac.tx_pn[2];
272 seq[4] = key->u.aes_cmac.tx_pn[1];
273 seq[5] = key->u.aes_cmac.tx_pn[0];
274 params.seq = seq;
275 params.seq_len = 6;
276 break;
277 }
278
279 params.key = key->conf.key;
280 params.key_len = key->conf.keylen;
281
282 callback(cookie, &params);
283 err = 0;
284
285 out:
286 rcu_read_unlock();
287 return err;
288 }
289
290 static int ieee80211_config_default_key(struct wiphy *wiphy,
291 struct net_device *dev,
292 u8 key_idx)
293 {
294 struct ieee80211_sub_if_data *sdata;
295
296 rcu_read_lock();
297
298 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
299 ieee80211_set_default_key(sdata, key_idx);
300
301 rcu_read_unlock();
302
303 return 0;
304 }
305
306 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
307 struct net_device *dev,
308 u8 key_idx)
309 {
310 struct ieee80211_sub_if_data *sdata;
311
312 rcu_read_lock();
313
314 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
315 ieee80211_set_default_mgmt_key(sdata, key_idx);
316
317 rcu_read_unlock();
318
319 return 0;
320 }
321
322 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
323 {
324 struct ieee80211_sub_if_data *sdata = sta->sdata;
325
326 sinfo->generation = sdata->local->sta_generation;
327
328 sinfo->filled = STATION_INFO_INACTIVE_TIME |
329 STATION_INFO_RX_BYTES |
330 STATION_INFO_TX_BYTES |
331 STATION_INFO_RX_PACKETS |
332 STATION_INFO_TX_PACKETS |
333 STATION_INFO_TX_BITRATE;
334
335 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
336 sinfo->rx_bytes = sta->rx_bytes;
337 sinfo->tx_bytes = sta->tx_bytes;
338 sinfo->rx_packets = sta->rx_packets;
339 sinfo->tx_packets = sta->tx_packets;
340
341 if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
342 sinfo->filled |= STATION_INFO_SIGNAL;
343 sinfo->signal = (s8)sta->last_signal;
344 }
345
346 sinfo->txrate.flags = 0;
347 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
348 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
349 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
350 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
351 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
352 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
353
354 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
355 struct ieee80211_supported_band *sband;
356 sband = sta->local->hw.wiphy->bands[
357 sta->local->hw.conf.channel->band];
358 sinfo->txrate.legacy =
359 sband->bitrates[sta->last_tx_rate.idx].bitrate;
360 } else
361 sinfo->txrate.mcs = sta->last_tx_rate.idx;
362
363 if (ieee80211_vif_is_mesh(&sdata->vif)) {
364 #ifdef CONFIG_MAC80211_MESH
365 sinfo->filled |= STATION_INFO_LLID |
366 STATION_INFO_PLID |
367 STATION_INFO_PLINK_STATE;
368
369 sinfo->llid = le16_to_cpu(sta->llid);
370 sinfo->plid = le16_to_cpu(sta->plid);
371 sinfo->plink_state = sta->plink_state;
372 #endif
373 }
374 }
375
376
377 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
378 int idx, u8 *mac, struct station_info *sinfo)
379 {
380 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
381 struct sta_info *sta;
382 int ret = -ENOENT;
383
384 rcu_read_lock();
385
386 sta = sta_info_get_by_idx(local, idx, dev);
387 if (sta) {
388 ret = 0;
389 memcpy(mac, sta->sta.addr, ETH_ALEN);
390 sta_set_sinfo(sta, sinfo);
391 }
392
393 rcu_read_unlock();
394
395 return ret;
396 }
397
398 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
399 u8 *mac, struct station_info *sinfo)
400 {
401 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
402 struct sta_info *sta;
403 int ret = -ENOENT;
404
405 rcu_read_lock();
406
407 /* XXX: verify sta->dev == dev */
408
409 sta = sta_info_get(local, mac);
410 if (sta) {
411 ret = 0;
412 sta_set_sinfo(sta, sinfo);
413 }
414
415 rcu_read_unlock();
416
417 return ret;
418 }
419
420 /*
421 * This handles both adding a beacon and setting new beacon info
422 */
423 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
424 struct beacon_parameters *params)
425 {
426 struct beacon_data *new, *old;
427 int new_head_len, new_tail_len;
428 int size;
429 int err = -EINVAL;
430
431 old = sdata->u.ap.beacon;
432
433 /* head must not be zero-length */
434 if (params->head && !params->head_len)
435 return -EINVAL;
436
437 /*
438 * This is a kludge. beacon interval should really be part
439 * of the beacon information.
440 */
441 if (params->interval &&
442 (sdata->vif.bss_conf.beacon_int != params->interval)) {
443 sdata->vif.bss_conf.beacon_int = params->interval;
444 ieee80211_bss_info_change_notify(sdata,
445 BSS_CHANGED_BEACON_INT);
446 }
447
448 /* Need to have a beacon head if we don't have one yet */
449 if (!params->head && !old)
450 return err;
451
452 /* sorry, no way to start beaconing without dtim period */
453 if (!params->dtim_period && !old)
454 return err;
455
456 /* new or old head? */
457 if (params->head)
458 new_head_len = params->head_len;
459 else
460 new_head_len = old->head_len;
461
462 /* new or old tail? */
463 if (params->tail || !old)
464 /* params->tail_len will be zero for !params->tail */
465 new_tail_len = params->tail_len;
466 else
467 new_tail_len = old->tail_len;
468
469 size = sizeof(*new) + new_head_len + new_tail_len;
470
471 new = kzalloc(size, GFP_KERNEL);
472 if (!new)
473 return -ENOMEM;
474
475 /* start filling the new info now */
476
477 /* new or old dtim period? */
478 if (params->dtim_period)
479 new->dtim_period = params->dtim_period;
480 else
481 new->dtim_period = old->dtim_period;
482
483 /*
484 * pointers go into the block we allocated,
485 * memory is | beacon_data | head | tail |
486 */
487 new->head = ((u8 *) new) + sizeof(*new);
488 new->tail = new->head + new_head_len;
489 new->head_len = new_head_len;
490 new->tail_len = new_tail_len;
491
492 /* copy in head */
493 if (params->head)
494 memcpy(new->head, params->head, new_head_len);
495 else
496 memcpy(new->head, old->head, new_head_len);
497
498 /* copy in optional tail */
499 if (params->tail)
500 memcpy(new->tail, params->tail, new_tail_len);
501 else
502 if (old)
503 memcpy(new->tail, old->tail, new_tail_len);
504
505 rcu_assign_pointer(sdata->u.ap.beacon, new);
506
507 synchronize_rcu();
508
509 kfree(old);
510
511 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
512 BSS_CHANGED_BEACON);
513 return 0;
514 }
515
516 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
517 struct beacon_parameters *params)
518 {
519 struct ieee80211_sub_if_data *sdata;
520 struct beacon_data *old;
521
522 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
523
524 old = sdata->u.ap.beacon;
525
526 if (old)
527 return -EALREADY;
528
529 return ieee80211_config_beacon(sdata, params);
530 }
531
532 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
533 struct beacon_parameters *params)
534 {
535 struct ieee80211_sub_if_data *sdata;
536 struct beacon_data *old;
537
538 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
539
540 old = sdata->u.ap.beacon;
541
542 if (!old)
543 return -ENOENT;
544
545 return ieee80211_config_beacon(sdata, params);
546 }
547
548 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
549 {
550 struct ieee80211_sub_if_data *sdata;
551 struct beacon_data *old;
552
553 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
554
555 old = sdata->u.ap.beacon;
556
557 if (!old)
558 return -ENOENT;
559
560 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
561 synchronize_rcu();
562 kfree(old);
563
564 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
565 return 0;
566 }
567
568 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
569 struct iapp_layer2_update {
570 u8 da[ETH_ALEN]; /* broadcast */
571 u8 sa[ETH_ALEN]; /* STA addr */
572 __be16 len; /* 6 */
573 u8 dsap; /* 0 */
574 u8 ssap; /* 0 */
575 u8 control;
576 u8 xid_info[3];
577 } __attribute__ ((packed));
578
579 static void ieee80211_send_layer2_update(struct sta_info *sta)
580 {
581 struct iapp_layer2_update *msg;
582 struct sk_buff *skb;
583
584 /* Send Level 2 Update Frame to update forwarding tables in layer 2
585 * bridge devices */
586
587 skb = dev_alloc_skb(sizeof(*msg));
588 if (!skb)
589 return;
590 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
591
592 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
593 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
594
595 memset(msg->da, 0xff, ETH_ALEN);
596 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
597 msg->len = htons(6);
598 msg->dsap = 0;
599 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
600 msg->control = 0xaf; /* XID response lsb.1111F101.
601 * F=0 (no poll command; unsolicited frame) */
602 msg->xid_info[0] = 0x81; /* XID format identifier */
603 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
604 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
605
606 skb->dev = sta->sdata->dev;
607 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
608 memset(skb->cb, 0, sizeof(skb->cb));
609 netif_rx(skb);
610 }
611
612 static void sta_apply_parameters(struct ieee80211_local *local,
613 struct sta_info *sta,
614 struct station_parameters *params)
615 {
616 u32 rates;
617 int i, j;
618 struct ieee80211_supported_band *sband;
619 struct ieee80211_sub_if_data *sdata = sta->sdata;
620 u32 mask, set;
621
622 sband = local->hw.wiphy->bands[local->oper_channel->band];
623
624 spin_lock_bh(&sta->lock);
625 mask = params->sta_flags_mask;
626 set = params->sta_flags_set;
627
628 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
629 sta->flags &= ~WLAN_STA_AUTHORIZED;
630 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
631 sta->flags |= WLAN_STA_AUTHORIZED;
632 }
633
634 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
635 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
636 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
637 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
638 }
639
640 if (mask & BIT(NL80211_STA_FLAG_WME)) {
641 sta->flags &= ~WLAN_STA_WME;
642 if (set & BIT(NL80211_STA_FLAG_WME))
643 sta->flags |= WLAN_STA_WME;
644 }
645
646 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
647 sta->flags &= ~WLAN_STA_MFP;
648 if (set & BIT(NL80211_STA_FLAG_MFP))
649 sta->flags |= WLAN_STA_MFP;
650 }
651 spin_unlock_bh(&sta->lock);
652
653 /*
654 * cfg80211 validates this (1-2007) and allows setting the AID
655 * only when creating a new station entry
656 */
657 if (params->aid)
658 sta->sta.aid = params->aid;
659
660 /*
661 * FIXME: updating the following information is racy when this
662 * function is called from ieee80211_change_station().
663 * However, all this information should be static so
664 * maybe we should just reject attemps to change it.
665 */
666
667 if (params->listen_interval >= 0)
668 sta->listen_interval = params->listen_interval;
669
670 if (params->supported_rates) {
671 rates = 0;
672
673 for (i = 0; i < params->supported_rates_len; i++) {
674 int rate = (params->supported_rates[i] & 0x7f) * 5;
675 for (j = 0; j < sband->n_bitrates; j++) {
676 if (sband->bitrates[j].bitrate == rate)
677 rates |= BIT(j);
678 }
679 }
680 sta->sta.supp_rates[local->oper_channel->band] = rates;
681 }
682
683 if (params->ht_capa)
684 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
685 params->ht_capa,
686 &sta->sta.ht_cap);
687
688 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
689 switch (params->plink_action) {
690 case PLINK_ACTION_OPEN:
691 mesh_plink_open(sta);
692 break;
693 case PLINK_ACTION_BLOCK:
694 mesh_plink_block(sta);
695 break;
696 }
697 }
698 }
699
700 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
701 u8 *mac, struct station_parameters *params)
702 {
703 struct ieee80211_local *local = wiphy_priv(wiphy);
704 struct sta_info *sta;
705 struct ieee80211_sub_if_data *sdata;
706 int err;
707 int layer2_update;
708
709 if (params->vlan) {
710 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
711
712 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
713 sdata->vif.type != NL80211_IFTYPE_AP)
714 return -EINVAL;
715 } else
716 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
717
718 if (compare_ether_addr(mac, dev->dev_addr) == 0)
719 return -EINVAL;
720
721 if (is_multicast_ether_addr(mac))
722 return -EINVAL;
723
724 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
725 if (!sta)
726 return -ENOMEM;
727
728 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
729
730 sta_apply_parameters(local, sta, params);
731
732 rate_control_rate_init(sta);
733
734 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
735 sdata->vif.type == NL80211_IFTYPE_AP;
736
737 rcu_read_lock();
738
739 err = sta_info_insert(sta);
740 if (err) {
741 /* STA has been freed */
742 if (err == -EEXIST && layer2_update) {
743 /* Need to update layer 2 devices on reassociation */
744 sta = sta_info_get(local, mac);
745 if (sta)
746 ieee80211_send_layer2_update(sta);
747 }
748 rcu_read_unlock();
749 return err;
750 }
751
752 if (layer2_update)
753 ieee80211_send_layer2_update(sta);
754
755 rcu_read_unlock();
756
757 return 0;
758 }
759
760 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
761 u8 *mac)
762 {
763 struct ieee80211_local *local = wiphy_priv(wiphy);
764 struct ieee80211_sub_if_data *sdata;
765 struct sta_info *sta;
766
767 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
768
769 if (mac) {
770 rcu_read_lock();
771
772 /* XXX: get sta belonging to dev */
773 sta = sta_info_get(local, mac);
774 if (!sta) {
775 rcu_read_unlock();
776 return -ENOENT;
777 }
778
779 sta_info_unlink(&sta);
780 rcu_read_unlock();
781
782 sta_info_destroy(sta);
783 } else
784 sta_info_flush(local, sdata);
785
786 return 0;
787 }
788
789 static int ieee80211_change_station(struct wiphy *wiphy,
790 struct net_device *dev,
791 u8 *mac,
792 struct station_parameters *params)
793 {
794 struct ieee80211_local *local = wiphy_priv(wiphy);
795 struct sta_info *sta;
796 struct ieee80211_sub_if_data *vlansdata;
797
798 rcu_read_lock();
799
800 /* XXX: get sta belonging to dev */
801 sta = sta_info_get(local, mac);
802 if (!sta) {
803 rcu_read_unlock();
804 return -ENOENT;
805 }
806
807 if (params->vlan && params->vlan != sta->sdata->dev) {
808 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
809
810 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
811 vlansdata->vif.type != NL80211_IFTYPE_AP) {
812 rcu_read_unlock();
813 return -EINVAL;
814 }
815
816 sta->sdata = vlansdata;
817 ieee80211_send_layer2_update(sta);
818 }
819
820 sta_apply_parameters(local, sta, params);
821
822 rcu_read_unlock();
823
824 return 0;
825 }
826
827 #ifdef CONFIG_MAC80211_MESH
828 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
829 u8 *dst, u8 *next_hop)
830 {
831 struct ieee80211_local *local = wiphy_priv(wiphy);
832 struct ieee80211_sub_if_data *sdata;
833 struct mesh_path *mpath;
834 struct sta_info *sta;
835 int err;
836
837 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
838
839 rcu_read_lock();
840 sta = sta_info_get(local, next_hop);
841 if (!sta) {
842 rcu_read_unlock();
843 return -ENOENT;
844 }
845
846 err = mesh_path_add(dst, sdata);
847 if (err) {
848 rcu_read_unlock();
849 return err;
850 }
851
852 mpath = mesh_path_lookup(dst, sdata);
853 if (!mpath) {
854 rcu_read_unlock();
855 return -ENXIO;
856 }
857 mesh_path_fix_nexthop(mpath, sta);
858
859 rcu_read_unlock();
860 return 0;
861 }
862
863 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
864 u8 *dst)
865 {
866 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
867
868 if (dst)
869 return mesh_path_del(dst, sdata);
870
871 mesh_path_flush(sdata);
872 return 0;
873 }
874
875 static int ieee80211_change_mpath(struct wiphy *wiphy,
876 struct net_device *dev,
877 u8 *dst, u8 *next_hop)
878 {
879 struct ieee80211_local *local = wiphy_priv(wiphy);
880 struct ieee80211_sub_if_data *sdata;
881 struct mesh_path *mpath;
882 struct sta_info *sta;
883
884 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
885
886 rcu_read_lock();
887
888 sta = sta_info_get(local, next_hop);
889 if (!sta) {
890 rcu_read_unlock();
891 return -ENOENT;
892 }
893
894 mpath = mesh_path_lookup(dst, sdata);
895 if (!mpath) {
896 rcu_read_unlock();
897 return -ENOENT;
898 }
899
900 mesh_path_fix_nexthop(mpath, sta);
901
902 rcu_read_unlock();
903 return 0;
904 }
905
906 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
907 struct mpath_info *pinfo)
908 {
909 if (mpath->next_hop)
910 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
911 else
912 memset(next_hop, 0, ETH_ALEN);
913
914 pinfo->generation = mesh_paths_generation;
915
916 pinfo->filled = MPATH_INFO_FRAME_QLEN |
917 MPATH_INFO_DSN |
918 MPATH_INFO_METRIC |
919 MPATH_INFO_EXPTIME |
920 MPATH_INFO_DISCOVERY_TIMEOUT |
921 MPATH_INFO_DISCOVERY_RETRIES |
922 MPATH_INFO_FLAGS;
923
924 pinfo->frame_qlen = mpath->frame_queue.qlen;
925 pinfo->dsn = mpath->dsn;
926 pinfo->metric = mpath->metric;
927 if (time_before(jiffies, mpath->exp_time))
928 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
929 pinfo->discovery_timeout =
930 jiffies_to_msecs(mpath->discovery_timeout);
931 pinfo->discovery_retries = mpath->discovery_retries;
932 pinfo->flags = 0;
933 if (mpath->flags & MESH_PATH_ACTIVE)
934 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
935 if (mpath->flags & MESH_PATH_RESOLVING)
936 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
937 if (mpath->flags & MESH_PATH_DSN_VALID)
938 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
939 if (mpath->flags & MESH_PATH_FIXED)
940 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
941 if (mpath->flags & MESH_PATH_RESOLVING)
942 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
943
944 pinfo->flags = mpath->flags;
945 }
946
947 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
948 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
949
950 {
951 struct ieee80211_sub_if_data *sdata;
952 struct mesh_path *mpath;
953
954 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
955
956 rcu_read_lock();
957 mpath = mesh_path_lookup(dst, sdata);
958 if (!mpath) {
959 rcu_read_unlock();
960 return -ENOENT;
961 }
962 memcpy(dst, mpath->dst, ETH_ALEN);
963 mpath_set_pinfo(mpath, next_hop, pinfo);
964 rcu_read_unlock();
965 return 0;
966 }
967
968 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
969 int idx, u8 *dst, u8 *next_hop,
970 struct mpath_info *pinfo)
971 {
972 struct ieee80211_sub_if_data *sdata;
973 struct mesh_path *mpath;
974
975 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
976
977 rcu_read_lock();
978 mpath = mesh_path_lookup_by_idx(idx, sdata);
979 if (!mpath) {
980 rcu_read_unlock();
981 return -ENOENT;
982 }
983 memcpy(dst, mpath->dst, ETH_ALEN);
984 mpath_set_pinfo(mpath, next_hop, pinfo);
985 rcu_read_unlock();
986 return 0;
987 }
988
989 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
990 struct net_device *dev,
991 struct mesh_config *conf)
992 {
993 struct ieee80211_sub_if_data *sdata;
994 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
995
996 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
997 return 0;
998 }
999
1000 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1001 {
1002 return (mask >> (parm-1)) & 0x1;
1003 }
1004
1005 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1006 struct net_device *dev,
1007 const struct mesh_config *nconf, u32 mask)
1008 {
1009 struct mesh_config *conf;
1010 struct ieee80211_sub_if_data *sdata;
1011 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1012
1013 /* Set the config options which we are interested in setting */
1014 conf = &(sdata->u.mesh.mshcfg);
1015 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1016 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1017 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1018 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1019 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1020 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1021 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1022 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1023 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1024 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1025 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1026 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1027 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1028 conf->auto_open_plinks = nconf->auto_open_plinks;
1029 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1030 conf->dot11MeshHWMPmaxPREQretries =
1031 nconf->dot11MeshHWMPmaxPREQretries;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1033 conf->path_refresh_time = nconf->path_refresh_time;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1035 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1037 conf->dot11MeshHWMPactivePathTimeout =
1038 nconf->dot11MeshHWMPactivePathTimeout;
1039 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1040 conf->dot11MeshHWMPpreqMinInterval =
1041 nconf->dot11MeshHWMPpreqMinInterval;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1043 mask))
1044 conf->dot11MeshHWMPnetDiameterTraversalTime =
1045 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1046 return 0;
1047 }
1048
1049 #endif
1050
1051 static int ieee80211_change_bss(struct wiphy *wiphy,
1052 struct net_device *dev,
1053 struct bss_parameters *params)
1054 {
1055 struct ieee80211_sub_if_data *sdata;
1056 u32 changed = 0;
1057
1058 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1059
1060 if (params->use_cts_prot >= 0) {
1061 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1062 changed |= BSS_CHANGED_ERP_CTS_PROT;
1063 }
1064 if (params->use_short_preamble >= 0) {
1065 sdata->vif.bss_conf.use_short_preamble =
1066 params->use_short_preamble;
1067 changed |= BSS_CHANGED_ERP_PREAMBLE;
1068 }
1069 if (params->use_short_slot_time >= 0) {
1070 sdata->vif.bss_conf.use_short_slot =
1071 params->use_short_slot_time;
1072 changed |= BSS_CHANGED_ERP_SLOT;
1073 }
1074
1075 if (params->basic_rates) {
1076 int i, j;
1077 u32 rates = 0;
1078 struct ieee80211_local *local = wiphy_priv(wiphy);
1079 struct ieee80211_supported_band *sband =
1080 wiphy->bands[local->oper_channel->band];
1081
1082 for (i = 0; i < params->basic_rates_len; i++) {
1083 int rate = (params->basic_rates[i] & 0x7f) * 5;
1084 for (j = 0; j < sband->n_bitrates; j++) {
1085 if (sband->bitrates[j].bitrate == rate)
1086 rates |= BIT(j);
1087 }
1088 }
1089 sdata->vif.bss_conf.basic_rates = rates;
1090 changed |= BSS_CHANGED_BASIC_RATES;
1091 }
1092
1093 ieee80211_bss_info_change_notify(sdata, changed);
1094
1095 return 0;
1096 }
1097
1098 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1099 struct ieee80211_txq_params *params)
1100 {
1101 struct ieee80211_local *local = wiphy_priv(wiphy);
1102 struct ieee80211_tx_queue_params p;
1103
1104 if (!local->ops->conf_tx)
1105 return -EOPNOTSUPP;
1106
1107 memset(&p, 0, sizeof(p));
1108 p.aifs = params->aifs;
1109 p.cw_max = params->cwmax;
1110 p.cw_min = params->cwmin;
1111 p.txop = params->txop;
1112 if (drv_conf_tx(local, params->queue, &p)) {
1113 printk(KERN_DEBUG "%s: failed to set TX queue "
1114 "parameters for queue %d\n",
1115 wiphy_name(local->hw.wiphy), params->queue);
1116 return -EINVAL;
1117 }
1118
1119 return 0;
1120 }
1121
1122 static int ieee80211_set_channel(struct wiphy *wiphy,
1123 struct ieee80211_channel *chan,
1124 enum nl80211_channel_type channel_type)
1125 {
1126 struct ieee80211_local *local = wiphy_priv(wiphy);
1127
1128 local->oper_channel = chan;
1129 local->oper_channel_type = channel_type;
1130
1131 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1132 }
1133
1134 #ifdef CONFIG_PM
1135 static int ieee80211_suspend(struct wiphy *wiphy)
1136 {
1137 return __ieee80211_suspend(wiphy_priv(wiphy));
1138 }
1139
1140 static int ieee80211_resume(struct wiphy *wiphy)
1141 {
1142 return __ieee80211_resume(wiphy_priv(wiphy));
1143 }
1144 #else
1145 #define ieee80211_suspend NULL
1146 #define ieee80211_resume NULL
1147 #endif
1148
1149 static int ieee80211_scan(struct wiphy *wiphy,
1150 struct net_device *dev,
1151 struct cfg80211_scan_request *req)
1152 {
1153 struct ieee80211_sub_if_data *sdata;
1154
1155 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1156
1157 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1158 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1159 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1160 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1161 return -EOPNOTSUPP;
1162
1163 return ieee80211_request_scan(sdata, req);
1164 }
1165
1166 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1167 struct cfg80211_auth_request *req)
1168 {
1169 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1170 }
1171
1172 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1173 struct cfg80211_assoc_request *req)
1174 {
1175 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1176 }
1177
1178 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1179 struct cfg80211_deauth_request *req,
1180 void *cookie)
1181 {
1182 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1183 req, cookie);
1184 }
1185
1186 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1187 struct cfg80211_disassoc_request *req,
1188 void *cookie)
1189 {
1190 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1191 req, cookie);
1192 }
1193
1194 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1195 struct cfg80211_ibss_params *params)
1196 {
1197 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1198
1199 return ieee80211_ibss_join(sdata, params);
1200 }
1201
1202 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1203 {
1204 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1205
1206 return ieee80211_ibss_leave(sdata);
1207 }
1208
1209 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1210 {
1211 struct ieee80211_local *local = wiphy_priv(wiphy);
1212 int err;
1213
1214 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1215 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1216
1217 if (err)
1218 return err;
1219 }
1220
1221 if (changed & WIPHY_PARAM_RETRY_SHORT)
1222 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1223 if (changed & WIPHY_PARAM_RETRY_LONG)
1224 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1225 if (changed &
1226 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1227 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1228
1229 return 0;
1230 }
1231
1232 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1233 enum tx_power_setting type, int dbm)
1234 {
1235 struct ieee80211_local *local = wiphy_priv(wiphy);
1236 struct ieee80211_channel *chan = local->hw.conf.channel;
1237 u32 changes = 0;
1238
1239 switch (type) {
1240 case TX_POWER_AUTOMATIC:
1241 local->user_power_level = -1;
1242 break;
1243 case TX_POWER_LIMITED:
1244 if (dbm < 0)
1245 return -EINVAL;
1246 local->user_power_level = dbm;
1247 break;
1248 case TX_POWER_FIXED:
1249 if (dbm < 0)
1250 return -EINVAL;
1251 /* TODO: move to cfg80211 when it knows the channel */
1252 if (dbm > chan->max_power)
1253 return -EINVAL;
1254 local->user_power_level = dbm;
1255 break;
1256 }
1257
1258 ieee80211_hw_config(local, changes);
1259
1260 return 0;
1261 }
1262
1263 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1264 {
1265 struct ieee80211_local *local = wiphy_priv(wiphy);
1266
1267 *dbm = local->hw.conf.power_level;
1268
1269 return 0;
1270 }
1271
1272 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1273 u8 *addr)
1274 {
1275 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1276
1277 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1278
1279 return 0;
1280 }
1281
1282 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1283 {
1284 struct ieee80211_local *local = wiphy_priv(wiphy);
1285
1286 drv_rfkill_poll(local);
1287 }
1288
1289 #ifdef CONFIG_NL80211_TESTMODE
1290 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1291 {
1292 struct ieee80211_local *local = wiphy_priv(wiphy);
1293
1294 if (!local->ops->testmode_cmd)
1295 return -EOPNOTSUPP;
1296
1297 return local->ops->testmode_cmd(&local->hw, data, len);
1298 }
1299 #endif
1300
1301 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1302 bool enabled, int timeout)
1303 {
1304 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1305 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1306 struct ieee80211_conf *conf = &local->hw.conf;
1307
1308 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1309 return -EOPNOTSUPP;
1310
1311 if (enabled == sdata->u.mgd.powersave &&
1312 timeout == conf->dynamic_ps_timeout)
1313 return 0;
1314
1315 sdata->u.mgd.powersave = enabled;
1316 conf->dynamic_ps_timeout = timeout;
1317
1318 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1319 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1320
1321 ieee80211_recalc_ps(local, -1);
1322
1323 return 0;
1324 }
1325
1326 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1327 struct net_device *dev,
1328 const u8 *addr,
1329 const struct cfg80211_bitrate_mask *mask)
1330 {
1331 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1332 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1333 int i, err = -EINVAL;
1334 u32 target_rate;
1335 struct ieee80211_supported_band *sband;
1336
1337 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1338
1339 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1340 * target_rate = X, rate->fixed = 1 means only rate X
1341 * target_rate = X, rate->fixed = 0 means all rates <= X */
1342 sdata->max_ratectrl_rateidx = -1;
1343 sdata->force_unicast_rateidx = -1;
1344
1345 if (mask->fixed)
1346 target_rate = mask->fixed / 100;
1347 else if (mask->maxrate)
1348 target_rate = mask->maxrate / 100;
1349 else
1350 return 0;
1351
1352 for (i=0; i< sband->n_bitrates; i++) {
1353 struct ieee80211_rate *brate = &sband->bitrates[i];
1354 int this_rate = brate->bitrate;
1355
1356 if (target_rate == this_rate) {
1357 sdata->max_ratectrl_rateidx = i;
1358 if (mask->fixed)
1359 sdata->force_unicast_rateidx = i;
1360 err = 0;
1361 break;
1362 }
1363 }
1364
1365 return err;
1366 }
1367
1368 struct cfg80211_ops mac80211_config_ops = {
1369 .add_virtual_intf = ieee80211_add_iface,
1370 .del_virtual_intf = ieee80211_del_iface,
1371 .change_virtual_intf = ieee80211_change_iface,
1372 .add_key = ieee80211_add_key,
1373 .del_key = ieee80211_del_key,
1374 .get_key = ieee80211_get_key,
1375 .set_default_key = ieee80211_config_default_key,
1376 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1377 .add_beacon = ieee80211_add_beacon,
1378 .set_beacon = ieee80211_set_beacon,
1379 .del_beacon = ieee80211_del_beacon,
1380 .add_station = ieee80211_add_station,
1381 .del_station = ieee80211_del_station,
1382 .change_station = ieee80211_change_station,
1383 .get_station = ieee80211_get_station,
1384 .dump_station = ieee80211_dump_station,
1385 #ifdef CONFIG_MAC80211_MESH
1386 .add_mpath = ieee80211_add_mpath,
1387 .del_mpath = ieee80211_del_mpath,
1388 .change_mpath = ieee80211_change_mpath,
1389 .get_mpath = ieee80211_get_mpath,
1390 .dump_mpath = ieee80211_dump_mpath,
1391 .set_mesh_params = ieee80211_set_mesh_params,
1392 .get_mesh_params = ieee80211_get_mesh_params,
1393 #endif
1394 .change_bss = ieee80211_change_bss,
1395 .set_txq_params = ieee80211_set_txq_params,
1396 .set_channel = ieee80211_set_channel,
1397 .suspend = ieee80211_suspend,
1398 .resume = ieee80211_resume,
1399 .scan = ieee80211_scan,
1400 .auth = ieee80211_auth,
1401 .assoc = ieee80211_assoc,
1402 .deauth = ieee80211_deauth,
1403 .disassoc = ieee80211_disassoc,
1404 .join_ibss = ieee80211_join_ibss,
1405 .leave_ibss = ieee80211_leave_ibss,
1406 .set_wiphy_params = ieee80211_set_wiphy_params,
1407 .set_tx_power = ieee80211_set_tx_power,
1408 .get_tx_power = ieee80211_get_tx_power,
1409 .set_wds_peer = ieee80211_set_wds_peer,
1410 .rfkill_poll = ieee80211_rfkill_poll,
1411 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1412 .set_power_mgmt = ieee80211_set_power_mgmt,
1413 .set_bitrate_mask = ieee80211_set_bitrate_mask,
1414 };
WandBoard kernel