mac80211: add ieee80211_sdata_running
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / net / mac80211 / cfg.c
blobfdac1bcbfcc0607b95fafd84f9dfc27376e14b2a
1 /*
2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
7 */
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"
21 static bool nl80211_type_check(enum nl80211_iftype type)
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;
39 static bool nl80211_params_check(enum nl80211_iftype type,
40 struct vif_params *params)
42 if (!nl80211_type_check(type))
43 return false;
45 return true;
48 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
49 enum nl80211_iftype type, u32 *flags,
50 struct vif_params *params)
52 struct ieee80211_local *local = wiphy_priv(wiphy);
53 struct net_device *dev;
54 struct ieee80211_sub_if_data *sdata;
55 int err;
57 if (!nl80211_params_check(type, params))
58 return -EINVAL;
60 err = ieee80211_if_add(local, name, &dev, type, params);
61 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
62 return err;
64 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
65 sdata->u.mntr_flags = *flags;
66 return 0;
69 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
71 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
73 return 0;
76 static int ieee80211_change_iface(struct wiphy *wiphy,
77 struct net_device *dev,
78 enum nl80211_iftype type, u32 *flags,
79 struct vif_params *params)
81 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
82 int ret;
84 if (ieee80211_sdata_running(sdata))
85 return -EBUSY;
87 if (!nl80211_params_check(type, params))
88 return -EINVAL;
90 ret = ieee80211_if_change_type(sdata, type);
91 if (ret)
92 return ret;
94 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
95 ieee80211_sdata_set_mesh_id(sdata,
96 params->mesh_id_len,
97 params->mesh_id);
99 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
100 return 0;
102 if (type == NL80211_IFTYPE_AP_VLAN &&
103 params && params->use_4addr == 0)
104 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
105 else if (type == NL80211_IFTYPE_STATION &&
106 params && params->use_4addr >= 0)
107 sdata->u.mgd.use_4addr = params->use_4addr;
109 sdata->u.mntr_flags = *flags;
110 return 0;
113 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
114 u8 key_idx, const u8 *mac_addr,
115 struct key_params *params)
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;
123 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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;
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;
148 rcu_read_lock();
150 if (mac_addr) {
151 sta = sta_info_get(sdata, mac_addr);
152 if (!sta) {
153 ieee80211_key_free(key);
154 err = -ENOENT;
155 goto out_unlock;
159 ieee80211_key_link(key, sdata, sta);
161 err = 0;
162 out_unlock:
163 rcu_read_unlock();
165 return err;
168 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
169 u8 key_idx, const u8 *mac_addr)
171 struct ieee80211_sub_if_data *sdata;
172 struct sta_info *sta;
173 int ret;
175 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
177 rcu_read_lock();
179 if (mac_addr) {
180 ret = -ENOENT;
182 sta = sta_info_get(sdata, mac_addr);
183 if (!sta)
184 goto out_unlock;
186 if (sta->key) {
187 ieee80211_key_free(sta->key);
188 WARN_ON(sta->key);
189 ret = 0;
192 goto out_unlock;
195 if (!sdata->keys[key_idx]) {
196 ret = -ENOENT;
197 goto out_unlock;
200 ieee80211_key_free(sdata->keys[key_idx]);
201 WARN_ON(sdata->keys[key_idx]);
203 ret = 0;
204 out_unlock:
205 rcu_read_unlock();
207 return ret;
210 static 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))
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;
224 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
226 rcu_read_lock();
228 if (mac_addr) {
229 sta = sta_info_get(sdata, mac_addr);
230 if (!sta)
231 goto out;
233 key = sta->key;
234 } else
235 key = sdata->keys[key_idx];
237 if (!key)
238 goto out;
240 memset(&params, 0, sizeof(params));
242 switch (key->conf.alg) {
243 case ALG_TKIP:
244 params.cipher = WLAN_CIPHER_SUITE_TKIP;
246 iv32 = key->u.tkip.tx.iv32;
247 iv16 = key->u.tkip.tx.iv16;
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);
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;
293 params.key = key->conf.key;
294 params.key_len = key->conf.keylen;
296 callback(cookie, &params);
297 err = 0;
299 out:
300 rcu_read_unlock();
301 return err;
304 static int ieee80211_config_default_key(struct wiphy *wiphy,
305 struct net_device *dev,
306 u8 key_idx)
308 struct ieee80211_sub_if_data *sdata;
310 rcu_read_lock();
312 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313 ieee80211_set_default_key(sdata, key_idx);
315 rcu_read_unlock();
317 return 0;
320 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
321 struct net_device *dev,
322 u8 key_idx)
324 struct ieee80211_sub_if_data *sdata;
326 rcu_read_lock();
328 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
329 ieee80211_set_default_mgmt_key(sdata, key_idx);
331 rcu_read_unlock();
333 return 0;
336 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
338 struct ieee80211_sub_if_data *sdata = sta->sdata;
340 sinfo->generation = sdata->local->sta_generation;
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;
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;
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;
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;
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;
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;
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
392 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
393 int idx, u8 *mac, struct station_info *sinfo)
395 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
396 struct sta_info *sta;
397 int ret = -ENOENT;
399 rcu_read_lock();
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);
408 rcu_read_unlock();
410 return ret;
413 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
414 u8 *mac, struct station_info *sinfo)
416 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
417 struct sta_info *sta;
418 int ret = -ENOENT;
420 rcu_read_lock();
422 sta = sta_info_get(sdata, mac);
423 if (sta) {
424 ret = 0;
425 sta_set_sinfo(sta, sinfo);
428 rcu_read_unlock();
430 return ret;
434 * This handles both adding a beacon and setting new beacon info
436 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
437 struct beacon_parameters *params)
439 struct beacon_data *new, *old;
440 int new_head_len, new_tail_len;
441 int size;
442 int err = -EINVAL;
444 old = sdata->u.ap.beacon;
446 /* head must not be zero-length */
447 if (params->head && !params->head_len)
448 return -EINVAL;
451 * This is a kludge. beacon interval should really be part
452 * of the beacon information.
454 if (params->interval &&
455 (sdata->vif.bss_conf.beacon_int != params->interval)) {
456 sdata->vif.bss_conf.beacon_int = params->interval;
457 ieee80211_bss_info_change_notify(sdata,
458 BSS_CHANGED_BEACON_INT);
461 /* Need to have a beacon head if we don't have one yet */
462 if (!params->head && !old)
463 return err;
465 /* sorry, no way to start beaconing without dtim period */
466 if (!params->dtim_period && !old)
467 return err;
469 /* new or old head? */
470 if (params->head)
471 new_head_len = params->head_len;
472 else
473 new_head_len = old->head_len;
475 /* new or old tail? */
476 if (params->tail || !old)
477 /* params->tail_len will be zero for !params->tail */
478 new_tail_len = params->tail_len;
479 else
480 new_tail_len = old->tail_len;
482 size = sizeof(*new) + new_head_len + new_tail_len;
484 new = kzalloc(size, GFP_KERNEL);
485 if (!new)
486 return -ENOMEM;
488 /* start filling the new info now */
490 /* new or old dtim period? */
491 if (params->dtim_period)
492 new->dtim_period = params->dtim_period;
493 else
494 new->dtim_period = old->dtim_period;
497 * pointers go into the block we allocated,
498 * memory is | beacon_data | head | tail |
500 new->head = ((u8 *) new) + sizeof(*new);
501 new->tail = new->head + new_head_len;
502 new->head_len = new_head_len;
503 new->tail_len = new_tail_len;
505 /* copy in head */
506 if (params->head)
507 memcpy(new->head, params->head, new_head_len);
508 else
509 memcpy(new->head, old->head, new_head_len);
511 /* copy in optional tail */
512 if (params->tail)
513 memcpy(new->tail, params->tail, new_tail_len);
514 else
515 if (old)
516 memcpy(new->tail, old->tail, new_tail_len);
518 rcu_assign_pointer(sdata->u.ap.beacon, new);
520 synchronize_rcu();
522 kfree(old);
524 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
525 BSS_CHANGED_BEACON);
526 return 0;
529 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
530 struct beacon_parameters *params)
532 struct ieee80211_sub_if_data *sdata;
533 struct beacon_data *old;
535 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
537 old = sdata->u.ap.beacon;
539 if (old)
540 return -EALREADY;
542 return ieee80211_config_beacon(sdata, params);
545 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
546 struct beacon_parameters *params)
548 struct ieee80211_sub_if_data *sdata;
549 struct beacon_data *old;
551 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
553 old = sdata->u.ap.beacon;
555 if (!old)
556 return -ENOENT;
558 return ieee80211_config_beacon(sdata, params);
561 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
563 struct ieee80211_sub_if_data *sdata;
564 struct beacon_data *old;
566 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
568 old = sdata->u.ap.beacon;
570 if (!old)
571 return -ENOENT;
573 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
574 synchronize_rcu();
575 kfree(old);
577 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
578 return 0;
581 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
582 struct iapp_layer2_update {
583 u8 da[ETH_ALEN]; /* broadcast */
584 u8 sa[ETH_ALEN]; /* STA addr */
585 __be16 len; /* 6 */
586 u8 dsap; /* 0 */
587 u8 ssap; /* 0 */
588 u8 control;
589 u8 xid_info[3];
590 } __attribute__ ((packed));
592 static void ieee80211_send_layer2_update(struct sta_info *sta)
594 struct iapp_layer2_update *msg;
595 struct sk_buff *skb;
597 /* Send Level 2 Update Frame to update forwarding tables in layer 2
598 * bridge devices */
600 skb = dev_alloc_skb(sizeof(*msg));
601 if (!skb)
602 return;
603 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
605 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
606 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
608 memset(msg->da, 0xff, ETH_ALEN);
609 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
610 msg->len = htons(6);
611 msg->dsap = 0;
612 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
613 msg->control = 0xaf; /* XID response lsb.1111F101.
614 * F=0 (no poll command; unsolicited frame) */
615 msg->xid_info[0] = 0x81; /* XID format identifier */
616 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
617 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
619 skb->dev = sta->sdata->dev;
620 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
621 memset(skb->cb, 0, sizeof(skb->cb));
622 netif_rx(skb);
625 static void sta_apply_parameters(struct ieee80211_local *local,
626 struct sta_info *sta,
627 struct station_parameters *params)
629 u32 rates;
630 int i, j;
631 struct ieee80211_supported_band *sband;
632 struct ieee80211_sub_if_data *sdata = sta->sdata;
633 u32 mask, set;
635 sband = local->hw.wiphy->bands[local->oper_channel->band];
637 spin_lock_bh(&sta->lock);
638 mask = params->sta_flags_mask;
639 set = params->sta_flags_set;
641 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
642 sta->flags &= ~WLAN_STA_AUTHORIZED;
643 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
644 sta->flags |= WLAN_STA_AUTHORIZED;
647 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
648 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
649 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
650 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
653 if (mask & BIT(NL80211_STA_FLAG_WME)) {
654 sta->flags &= ~WLAN_STA_WME;
655 if (set & BIT(NL80211_STA_FLAG_WME))
656 sta->flags |= WLAN_STA_WME;
659 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
660 sta->flags &= ~WLAN_STA_MFP;
661 if (set & BIT(NL80211_STA_FLAG_MFP))
662 sta->flags |= WLAN_STA_MFP;
664 spin_unlock_bh(&sta->lock);
667 * cfg80211 validates this (1-2007) and allows setting the AID
668 * only when creating a new station entry
670 if (params->aid)
671 sta->sta.aid = params->aid;
674 * FIXME: updating the following information is racy when this
675 * function is called from ieee80211_change_station().
676 * However, all this information should be static so
677 * maybe we should just reject attemps to change it.
680 if (params->listen_interval >= 0)
681 sta->listen_interval = params->listen_interval;
683 if (params->supported_rates) {
684 rates = 0;
686 for (i = 0; i < params->supported_rates_len; i++) {
687 int rate = (params->supported_rates[i] & 0x7f) * 5;
688 for (j = 0; j < sband->n_bitrates; j++) {
689 if (sband->bitrates[j].bitrate == rate)
690 rates |= BIT(j);
693 sta->sta.supp_rates[local->oper_channel->band] = rates;
696 if (params->ht_capa)
697 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
698 params->ht_capa,
699 &sta->sta.ht_cap);
701 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
702 switch (params->plink_action) {
703 case PLINK_ACTION_OPEN:
704 mesh_plink_open(sta);
705 break;
706 case PLINK_ACTION_BLOCK:
707 mesh_plink_block(sta);
708 break;
713 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
714 u8 *mac, struct station_parameters *params)
716 struct ieee80211_local *local = wiphy_priv(wiphy);
717 struct sta_info *sta;
718 struct ieee80211_sub_if_data *sdata;
719 int err;
720 int layer2_update;
722 if (params->vlan) {
723 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
725 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
726 sdata->vif.type != NL80211_IFTYPE_AP)
727 return -EINVAL;
728 } else
729 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
731 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
732 return -EINVAL;
734 if (is_multicast_ether_addr(mac))
735 return -EINVAL;
737 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
738 if (!sta)
739 return -ENOMEM;
741 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
743 sta_apply_parameters(local, sta, params);
745 rate_control_rate_init(sta);
747 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
748 sdata->vif.type == NL80211_IFTYPE_AP;
750 rcu_read_lock();
752 err = sta_info_insert(sta);
753 if (err) {
754 rcu_read_unlock();
755 return err;
758 if (layer2_update)
759 ieee80211_send_layer2_update(sta);
761 rcu_read_unlock();
763 return 0;
766 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
767 u8 *mac)
769 struct ieee80211_local *local = wiphy_priv(wiphy);
770 struct ieee80211_sub_if_data *sdata;
771 struct sta_info *sta;
773 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
775 if (mac) {
776 rcu_read_lock();
778 sta = sta_info_get(sdata, mac);
779 if (!sta) {
780 rcu_read_unlock();
781 return -ENOENT;
784 sta_info_unlink(&sta);
785 rcu_read_unlock();
787 sta_info_destroy(sta);
788 } else
789 sta_info_flush(local, sdata);
791 return 0;
794 static int ieee80211_change_station(struct wiphy *wiphy,
795 struct net_device *dev,
796 u8 *mac,
797 struct station_parameters *params)
799 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
800 struct ieee80211_local *local = wiphy_priv(wiphy);
801 struct sta_info *sta;
802 struct ieee80211_sub_if_data *vlansdata;
804 rcu_read_lock();
806 sta = sta_info_get(sdata, mac);
807 if (!sta) {
808 rcu_read_unlock();
809 return -ENOENT;
812 if (params->vlan && params->vlan != sta->sdata->dev) {
813 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
815 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
816 vlansdata->vif.type != NL80211_IFTYPE_AP) {
817 rcu_read_unlock();
818 return -EINVAL;
821 if (params->vlan->ieee80211_ptr->use_4addr) {
822 if (vlansdata->u.vlan.sta) {
823 rcu_read_unlock();
824 return -EBUSY;
827 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
830 sta->sdata = vlansdata;
831 ieee80211_send_layer2_update(sta);
834 sta_apply_parameters(local, sta, params);
836 rcu_read_unlock();
838 return 0;
841 #ifdef CONFIG_MAC80211_MESH
842 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
843 u8 *dst, u8 *next_hop)
845 struct ieee80211_sub_if_data *sdata;
846 struct mesh_path *mpath;
847 struct sta_info *sta;
848 int err;
850 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
852 rcu_read_lock();
853 sta = sta_info_get(sdata, next_hop);
854 if (!sta) {
855 rcu_read_unlock();
856 return -ENOENT;
859 err = mesh_path_add(dst, sdata);
860 if (err) {
861 rcu_read_unlock();
862 return err;
865 mpath = mesh_path_lookup(dst, sdata);
866 if (!mpath) {
867 rcu_read_unlock();
868 return -ENXIO;
870 mesh_path_fix_nexthop(mpath, sta);
872 rcu_read_unlock();
873 return 0;
876 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
877 u8 *dst)
879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
881 if (dst)
882 return mesh_path_del(dst, sdata);
884 mesh_path_flush(sdata);
885 return 0;
888 static int ieee80211_change_mpath(struct wiphy *wiphy,
889 struct net_device *dev,
890 u8 *dst, u8 *next_hop)
892 struct ieee80211_sub_if_data *sdata;
893 struct mesh_path *mpath;
894 struct sta_info *sta;
896 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
898 rcu_read_lock();
900 sta = sta_info_get(sdata, next_hop);
901 if (!sta) {
902 rcu_read_unlock();
903 return -ENOENT;
906 mpath = mesh_path_lookup(dst, sdata);
907 if (!mpath) {
908 rcu_read_unlock();
909 return -ENOENT;
912 mesh_path_fix_nexthop(mpath, sta);
914 rcu_read_unlock();
915 return 0;
918 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
919 struct mpath_info *pinfo)
921 if (mpath->next_hop)
922 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
923 else
924 memset(next_hop, 0, ETH_ALEN);
926 pinfo->generation = mesh_paths_generation;
928 pinfo->filled = MPATH_INFO_FRAME_QLEN |
929 MPATH_INFO_SN |
930 MPATH_INFO_METRIC |
931 MPATH_INFO_EXPTIME |
932 MPATH_INFO_DISCOVERY_TIMEOUT |
933 MPATH_INFO_DISCOVERY_RETRIES |
934 MPATH_INFO_FLAGS;
936 pinfo->frame_qlen = mpath->frame_queue.qlen;
937 pinfo->sn = mpath->sn;
938 pinfo->metric = mpath->metric;
939 if (time_before(jiffies, mpath->exp_time))
940 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
941 pinfo->discovery_timeout =
942 jiffies_to_msecs(mpath->discovery_timeout);
943 pinfo->discovery_retries = mpath->discovery_retries;
944 pinfo->flags = 0;
945 if (mpath->flags & MESH_PATH_ACTIVE)
946 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
947 if (mpath->flags & MESH_PATH_RESOLVING)
948 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
949 if (mpath->flags & MESH_PATH_SN_VALID)
950 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
951 if (mpath->flags & MESH_PATH_FIXED)
952 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
953 if (mpath->flags & MESH_PATH_RESOLVING)
954 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
956 pinfo->flags = mpath->flags;
959 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
960 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
963 struct ieee80211_sub_if_data *sdata;
964 struct mesh_path *mpath;
966 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
968 rcu_read_lock();
969 mpath = mesh_path_lookup(dst, sdata);
970 if (!mpath) {
971 rcu_read_unlock();
972 return -ENOENT;
974 memcpy(dst, mpath->dst, ETH_ALEN);
975 mpath_set_pinfo(mpath, next_hop, pinfo);
976 rcu_read_unlock();
977 return 0;
980 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
981 int idx, u8 *dst, u8 *next_hop,
982 struct mpath_info *pinfo)
984 struct ieee80211_sub_if_data *sdata;
985 struct mesh_path *mpath;
987 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
989 rcu_read_lock();
990 mpath = mesh_path_lookup_by_idx(idx, sdata);
991 if (!mpath) {
992 rcu_read_unlock();
993 return -ENOENT;
995 memcpy(dst, mpath->dst, ETH_ALEN);
996 mpath_set_pinfo(mpath, next_hop, pinfo);
997 rcu_read_unlock();
998 return 0;
1001 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1002 struct net_device *dev,
1003 struct mesh_config *conf)
1005 struct ieee80211_sub_if_data *sdata;
1006 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1008 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1009 return 0;
1012 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1014 return (mask >> (parm-1)) & 0x1;
1017 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1018 struct net_device *dev,
1019 const struct mesh_config *nconf, u32 mask)
1021 struct mesh_config *conf;
1022 struct ieee80211_sub_if_data *sdata;
1023 struct ieee80211_if_mesh *ifmsh;
1025 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1026 ifmsh = &sdata->u.mesh;
1028 /* Set the config options which we are interested in setting */
1029 conf = &(sdata->u.mesh.mshcfg);
1030 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1031 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1033 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1035 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1037 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1039 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1041 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1043 conf->auto_open_plinks = nconf->auto_open_plinks;
1044 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1045 conf->dot11MeshHWMPmaxPREQretries =
1046 nconf->dot11MeshHWMPmaxPREQretries;
1047 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1048 conf->path_refresh_time = nconf->path_refresh_time;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1050 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1051 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1052 conf->dot11MeshHWMPactivePathTimeout =
1053 nconf->dot11MeshHWMPactivePathTimeout;
1054 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1055 conf->dot11MeshHWMPpreqMinInterval =
1056 nconf->dot11MeshHWMPpreqMinInterval;
1057 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1058 mask))
1059 conf->dot11MeshHWMPnetDiameterTraversalTime =
1060 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1061 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1062 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1063 ieee80211_mesh_root_setup(ifmsh);
1065 return 0;
1068 #endif
1070 static int ieee80211_change_bss(struct wiphy *wiphy,
1071 struct net_device *dev,
1072 struct bss_parameters *params)
1074 struct ieee80211_sub_if_data *sdata;
1075 u32 changed = 0;
1077 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1079 if (params->use_cts_prot >= 0) {
1080 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1081 changed |= BSS_CHANGED_ERP_CTS_PROT;
1083 if (params->use_short_preamble >= 0) {
1084 sdata->vif.bss_conf.use_short_preamble =
1085 params->use_short_preamble;
1086 changed |= BSS_CHANGED_ERP_PREAMBLE;
1088 if (params->use_short_slot_time >= 0) {
1089 sdata->vif.bss_conf.use_short_slot =
1090 params->use_short_slot_time;
1091 changed |= BSS_CHANGED_ERP_SLOT;
1094 if (params->basic_rates) {
1095 int i, j;
1096 u32 rates = 0;
1097 struct ieee80211_local *local = wiphy_priv(wiphy);
1098 struct ieee80211_supported_band *sband =
1099 wiphy->bands[local->oper_channel->band];
1101 for (i = 0; i < params->basic_rates_len; i++) {
1102 int rate = (params->basic_rates[i] & 0x7f) * 5;
1103 for (j = 0; j < sband->n_bitrates; j++) {
1104 if (sband->bitrates[j].bitrate == rate)
1105 rates |= BIT(j);
1108 sdata->vif.bss_conf.basic_rates = rates;
1109 changed |= BSS_CHANGED_BASIC_RATES;
1112 ieee80211_bss_info_change_notify(sdata, changed);
1114 return 0;
1117 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1118 struct ieee80211_txq_params *params)
1120 struct ieee80211_local *local = wiphy_priv(wiphy);
1121 struct ieee80211_tx_queue_params p;
1123 if (!local->ops->conf_tx)
1124 return -EOPNOTSUPP;
1126 memset(&p, 0, sizeof(p));
1127 p.aifs = params->aifs;
1128 p.cw_max = params->cwmax;
1129 p.cw_min = params->cwmin;
1130 p.txop = params->txop;
1131 if (drv_conf_tx(local, params->queue, &p)) {
1132 printk(KERN_DEBUG "%s: failed to set TX queue "
1133 "parameters for queue %d\n",
1134 wiphy_name(local->hw.wiphy), params->queue);
1135 return -EINVAL;
1138 return 0;
1141 static int ieee80211_set_channel(struct wiphy *wiphy,
1142 struct ieee80211_channel *chan,
1143 enum nl80211_channel_type channel_type)
1145 struct ieee80211_local *local = wiphy_priv(wiphy);
1147 local->oper_channel = chan;
1148 local->oper_channel_type = channel_type;
1150 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1153 #ifdef CONFIG_PM
1154 static int ieee80211_suspend(struct wiphy *wiphy)
1156 return __ieee80211_suspend(wiphy_priv(wiphy));
1159 static int ieee80211_resume(struct wiphy *wiphy)
1161 return __ieee80211_resume(wiphy_priv(wiphy));
1163 #else
1164 #define ieee80211_suspend NULL
1165 #define ieee80211_resume NULL
1166 #endif
1168 static int ieee80211_scan(struct wiphy *wiphy,
1169 struct net_device *dev,
1170 struct cfg80211_scan_request *req)
1172 struct ieee80211_sub_if_data *sdata;
1174 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1176 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1177 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1178 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1179 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1180 return -EOPNOTSUPP;
1182 return ieee80211_request_scan(sdata, req);
1185 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1186 struct cfg80211_auth_request *req)
1188 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1191 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1192 struct cfg80211_assoc_request *req)
1194 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1197 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1198 struct cfg80211_deauth_request *req,
1199 void *cookie)
1201 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1202 req, cookie);
1205 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1206 struct cfg80211_disassoc_request *req,
1207 void *cookie)
1209 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1210 req, cookie);
1213 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1214 struct cfg80211_ibss_params *params)
1216 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1218 return ieee80211_ibss_join(sdata, params);
1221 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1223 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1225 return ieee80211_ibss_leave(sdata);
1228 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1230 struct ieee80211_local *local = wiphy_priv(wiphy);
1231 int err;
1233 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1234 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1236 if (err)
1237 return err;
1240 if (changed & WIPHY_PARAM_RETRY_SHORT)
1241 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1242 if (changed & WIPHY_PARAM_RETRY_LONG)
1243 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1244 if (changed &
1245 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1246 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1248 return 0;
1251 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1252 enum tx_power_setting type, int dbm)
1254 struct ieee80211_local *local = wiphy_priv(wiphy);
1255 struct ieee80211_channel *chan = local->hw.conf.channel;
1256 u32 changes = 0;
1258 switch (type) {
1259 case TX_POWER_AUTOMATIC:
1260 local->user_power_level = -1;
1261 break;
1262 case TX_POWER_LIMITED:
1263 if (dbm < 0)
1264 return -EINVAL;
1265 local->user_power_level = dbm;
1266 break;
1267 case TX_POWER_FIXED:
1268 if (dbm < 0)
1269 return -EINVAL;
1270 /* TODO: move to cfg80211 when it knows the channel */
1271 if (dbm > chan->max_power)
1272 return -EINVAL;
1273 local->user_power_level = dbm;
1274 break;
1277 ieee80211_hw_config(local, changes);
1279 return 0;
1282 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1284 struct ieee80211_local *local = wiphy_priv(wiphy);
1286 *dbm = local->hw.conf.power_level;
1288 return 0;
1291 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1292 u8 *addr)
1294 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1296 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1298 return 0;
1301 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1303 struct ieee80211_local *local = wiphy_priv(wiphy);
1305 drv_rfkill_poll(local);
1308 #ifdef CONFIG_NL80211_TESTMODE
1309 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1311 struct ieee80211_local *local = wiphy_priv(wiphy);
1313 if (!local->ops->testmode_cmd)
1314 return -EOPNOTSUPP;
1316 return local->ops->testmode_cmd(&local->hw, data, len);
1318 #endif
1320 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1321 enum ieee80211_smps_mode smps_mode)
1323 const u8 *ap;
1324 enum ieee80211_smps_mode old_req;
1325 int err;
1327 old_req = sdata->u.mgd.req_smps;
1328 sdata->u.mgd.req_smps = smps_mode;
1330 if (old_req == smps_mode &&
1331 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1332 return 0;
1335 * If not associated, or current association is not an HT
1336 * association, there's no need to send an action frame.
1338 if (!sdata->u.mgd.associated ||
1339 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1340 mutex_lock(&sdata->local->iflist_mtx);
1341 ieee80211_recalc_smps(sdata->local, sdata);
1342 mutex_unlock(&sdata->local->iflist_mtx);
1343 return 0;
1346 ap = sdata->u.mgd.associated->cbss.bssid;
1348 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1349 if (sdata->u.mgd.powersave)
1350 smps_mode = IEEE80211_SMPS_DYNAMIC;
1351 else
1352 smps_mode = IEEE80211_SMPS_OFF;
1355 /* send SM PS frame to AP */
1356 err = ieee80211_send_smps_action(sdata, smps_mode,
1357 ap, ap);
1358 if (err)
1359 sdata->u.mgd.req_smps = old_req;
1361 return err;
1364 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1365 bool enabled, int timeout)
1367 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1368 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1369 struct ieee80211_conf *conf = &local->hw.conf;
1371 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1372 return -EOPNOTSUPP;
1374 if (enabled == sdata->u.mgd.powersave &&
1375 timeout == conf->dynamic_ps_timeout)
1376 return 0;
1378 sdata->u.mgd.powersave = enabled;
1379 conf->dynamic_ps_timeout = timeout;
1381 /* no change, but if automatic follow powersave */
1382 mutex_lock(&sdata->u.mgd.mtx);
1383 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1384 mutex_unlock(&sdata->u.mgd.mtx);
1386 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1387 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1389 ieee80211_recalc_ps(local, -1);
1391 return 0;
1394 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1395 struct net_device *dev,
1396 const u8 *addr,
1397 const struct cfg80211_bitrate_mask *mask)
1399 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1400 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1401 int i;
1402 u32 target_rate;
1403 struct ieee80211_supported_band *sband;
1406 * This _could_ be supported by providing a hook for
1407 * drivers for this function, but at this point it
1408 * doesn't seem worth bothering.
1410 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1411 return -EOPNOTSUPP;
1413 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1416 * target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1417 * target_rate = X, rate->fixed = 1 means only rate X
1418 * target_rate = X, rate->fixed = 0 means all rates <= X
1420 sdata->max_ratectrl_rateidx = -1;
1421 sdata->force_unicast_rateidx = -1;
1423 if (mask->fixed)
1424 target_rate = mask->fixed / 100;
1425 else if (mask->maxrate)
1426 target_rate = mask->maxrate / 100;
1427 else
1428 return 0;
1430 for (i = 0; i< sband->n_bitrates; i++) {
1431 if (target_rate != sband->bitrates[i].bitrate)
1432 continue;
1434 /* requested bitrate found */
1435 sdata->max_ratectrl_rateidx = i;
1436 if (mask->fixed)
1437 sdata->force_unicast_rateidx = i;
1438 return 0;
1441 return -EINVAL;
1444 struct cfg80211_ops mac80211_config_ops = {
1445 .add_virtual_intf = ieee80211_add_iface,
1446 .del_virtual_intf = ieee80211_del_iface,
1447 .change_virtual_intf = ieee80211_change_iface,
1448 .add_key = ieee80211_add_key,
1449 .del_key = ieee80211_del_key,
1450 .get_key = ieee80211_get_key,
1451 .set_default_key = ieee80211_config_default_key,
1452 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1453 .add_beacon = ieee80211_add_beacon,
1454 .set_beacon = ieee80211_set_beacon,
1455 .del_beacon = ieee80211_del_beacon,
1456 .add_station = ieee80211_add_station,
1457 .del_station = ieee80211_del_station,
1458 .change_station = ieee80211_change_station,
1459 .get_station = ieee80211_get_station,
1460 .dump_station = ieee80211_dump_station,
1461 #ifdef CONFIG_MAC80211_MESH
1462 .add_mpath = ieee80211_add_mpath,
1463 .del_mpath = ieee80211_del_mpath,
1464 .change_mpath = ieee80211_change_mpath,
1465 .get_mpath = ieee80211_get_mpath,
1466 .dump_mpath = ieee80211_dump_mpath,
1467 .set_mesh_params = ieee80211_set_mesh_params,
1468 .get_mesh_params = ieee80211_get_mesh_params,
1469 #endif
1470 .change_bss = ieee80211_change_bss,
1471 .set_txq_params = ieee80211_set_txq_params,
1472 .set_channel = ieee80211_set_channel,
1473 .suspend = ieee80211_suspend,
1474 .resume = ieee80211_resume,
1475 .scan = ieee80211_scan,
1476 .auth = ieee80211_auth,
1477 .assoc = ieee80211_assoc,
1478 .deauth = ieee80211_deauth,
1479 .disassoc = ieee80211_disassoc,
1480 .join_ibss = ieee80211_join_ibss,
1481 .leave_ibss = ieee80211_leave_ibss,
1482 .set_wiphy_params = ieee80211_set_wiphy_params,
1483 .set_tx_power = ieee80211_set_tx_power,
1484 .get_tx_power = ieee80211_get_tx_power,
1485 .set_wds_peer = ieee80211_set_wds_peer,
1486 .rfkill_poll = ieee80211_rfkill_poll,
1487 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1488 .set_power_mgmt = ieee80211_set_power_mgmt,
1489 .set_bitrate_mask = ieee80211_set_bitrate_mask,