2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
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"
22 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
23 enum nl80211_iftype type, u32 *flags,
24 struct vif_params *params)
26 struct ieee80211_local *local = wiphy_priv(wiphy);
27 struct net_device *dev;
28 struct ieee80211_sub_if_data *sdata;
31 err = ieee80211_if_add(local, name, &dev, type, params);
32 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
35 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
36 sdata->u.mntr_flags = *flags;
40 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
42 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
47 static int ieee80211_change_iface(struct wiphy *wiphy,
48 struct net_device *dev,
49 enum nl80211_iftype type, u32 *flags,
50 struct vif_params *params)
52 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55 ret = ieee80211_if_change_type(sdata, type);
59 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
60 ieee80211_sdata_set_mesh_id(sdata,
64 if (type == NL80211_IFTYPE_AP_VLAN &&
65 params && params->use_4addr == 0)
66 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
67 else if (type == NL80211_IFTYPE_STATION &&
68 params && params->use_4addr >= 0)
69 sdata->u.mgd.use_4addr = params->use_4addr;
71 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
72 struct ieee80211_local *local = sdata->local;
74 if (ieee80211_sdata_running(sdata)) {
76 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
77 * changed while the interface is up.
78 * Else we would need to add a lot of cruft
79 * to update everything:
80 * cooked_mntrs, monitor and all fif_* counters
81 * reconfigure hardware
83 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
84 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
87 ieee80211_adjust_monitor_flags(sdata, -1);
88 sdata->u.mntr_flags = *flags;
89 ieee80211_adjust_monitor_flags(sdata, 1);
91 ieee80211_configure_filter(local);
94 * Because the interface is down, ieee80211_do_stop
95 * and ieee80211_do_open take care of "everything"
96 * mentioned in the comment above.
98 sdata->u.mntr_flags = *flags;
105 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
106 u8 key_idx, bool pairwise, const u8 *mac_addr,
107 struct key_params *params)
109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
110 struct sta_info *sta = NULL;
111 struct ieee80211_key *key;
114 if (!ieee80211_sdata_running(sdata))
117 /* reject WEP and TKIP keys if WEP failed to initialize */
118 switch (params->cipher) {
119 case WLAN_CIPHER_SUITE_WEP40:
120 case WLAN_CIPHER_SUITE_TKIP:
121 case WLAN_CIPHER_SUITE_WEP104:
122 if (IS_ERR(sdata->local->wep_tx_tfm))
129 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
130 params->key, params->seq_len, params->seq);
135 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
137 mutex_lock(&sdata->local->sta_mtx);
140 sta = sta_info_get_bss(sdata, mac_addr);
142 ieee80211_key_free(sdata->local, key);
148 err = ieee80211_key_link(key, sdata, sta);
150 ieee80211_key_free(sdata->local, key);
153 mutex_unlock(&sdata->local->sta_mtx);
158 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
159 u8 key_idx, bool pairwise, const u8 *mac_addr)
161 struct ieee80211_sub_if_data *sdata;
162 struct sta_info *sta;
165 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
167 mutex_lock(&sdata->local->sta_mtx);
172 sta = sta_info_get_bss(sdata, mac_addr);
178 ieee80211_key_free(sdata->local, sta->ptk);
182 if (sta->gtk[key_idx]) {
183 ieee80211_key_free(sdata->local,
192 if (!sdata->keys[key_idx]) {
197 ieee80211_key_free(sdata->local, sdata->keys[key_idx]);
198 WARN_ON(sdata->keys[key_idx]);
202 mutex_unlock(&sdata->local->sta_mtx);
207 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
208 u8 key_idx, bool pairwise, const u8 *mac_addr,
210 void (*callback)(void *cookie,
211 struct key_params *params))
213 struct ieee80211_sub_if_data *sdata;
214 struct sta_info *sta = NULL;
216 struct key_params params;
217 struct ieee80211_key *key = NULL;
222 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
227 sta = sta_info_get_bss(sdata, mac_addr);
233 else if (key_idx < NUM_DEFAULT_KEYS)
234 key = sta->gtk[key_idx];
236 key = sdata->keys[key_idx];
241 memset(¶ms, 0, sizeof(params));
243 params.cipher = key->conf.cipher;
245 switch (key->conf.cipher) {
246 case WLAN_CIPHER_SUITE_TKIP:
247 iv32 = key->u.tkip.tx.iv32;
248 iv16 = key->u.tkip.tx.iv16;
250 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
251 drv_get_tkip_seq(sdata->local,
252 key->conf.hw_key_idx,
255 seq[0] = iv16 & 0xff;
256 seq[1] = (iv16 >> 8) & 0xff;
257 seq[2] = iv32 & 0xff;
258 seq[3] = (iv32 >> 8) & 0xff;
259 seq[4] = (iv32 >> 16) & 0xff;
260 seq[5] = (iv32 >> 24) & 0xff;
264 case 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];
274 case WLAN_CIPHER_SUITE_AES_CMAC:
275 seq[0] = key->u.aes_cmac.tx_pn[5];
276 seq[1] = key->u.aes_cmac.tx_pn[4];
277 seq[2] = key->u.aes_cmac.tx_pn[3];
278 seq[3] = key->u.aes_cmac.tx_pn[2];
279 seq[4] = key->u.aes_cmac.tx_pn[1];
280 seq[5] = key->u.aes_cmac.tx_pn[0];
286 params.key = key->conf.key;
287 params.key_len = key->conf.keylen;
289 callback(cookie, ¶ms);
297 static int ieee80211_config_default_key(struct wiphy *wiphy,
298 struct net_device *dev,
301 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
303 ieee80211_set_default_key(sdata, key_idx);
308 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
309 struct net_device *dev,
312 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
314 ieee80211_set_default_mgmt_key(sdata, key_idx);
319 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
321 struct ieee80211_sub_if_data *sdata = sta->sdata;
323 sinfo->generation = sdata->local->sta_generation;
325 sinfo->filled = STATION_INFO_INACTIVE_TIME |
326 STATION_INFO_RX_BYTES |
327 STATION_INFO_TX_BYTES |
328 STATION_INFO_RX_PACKETS |
329 STATION_INFO_TX_PACKETS |
330 STATION_INFO_TX_RETRIES |
331 STATION_INFO_TX_FAILED |
332 STATION_INFO_TX_BITRATE |
333 STATION_INFO_RX_DROP_MISC;
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 sinfo->tx_retries = sta->tx_retry_count;
341 sinfo->tx_failed = sta->tx_retry_failed;
342 sinfo->rx_dropped_misc = sta->rx_dropped;
344 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
345 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
346 sinfo->filled |= STATION_INFO_SIGNAL;
347 sinfo->signal = (s8)sta->last_signal;
350 sinfo->txrate.flags = 0;
351 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
352 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
353 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
354 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
355 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
356 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
358 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
359 struct ieee80211_supported_band *sband;
360 sband = sta->local->hw.wiphy->bands[
361 sta->local->hw.conf.channel->band];
362 sinfo->txrate.legacy =
363 sband->bitrates[sta->last_tx_rate.idx].bitrate;
365 sinfo->txrate.mcs = sta->last_tx_rate.idx;
367 if (ieee80211_vif_is_mesh(&sdata->vif)) {
368 #ifdef CONFIG_MAC80211_MESH
369 sinfo->filled |= STATION_INFO_LLID |
371 STATION_INFO_PLINK_STATE;
373 sinfo->llid = le16_to_cpu(sta->llid);
374 sinfo->plid = le16_to_cpu(sta->plid);
375 sinfo->plink_state = sta->plink_state;
381 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
382 int idx, u8 *mac, struct station_info *sinfo)
384 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
385 struct sta_info *sta;
390 sta = sta_info_get_by_idx(sdata, idx);
393 memcpy(mac, sta->sta.addr, ETH_ALEN);
394 sta_set_sinfo(sta, sinfo);
402 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
403 int idx, struct survey_info *survey)
405 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
407 return drv_get_survey(local, idx, survey);
410 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
411 u8 *mac, struct station_info *sinfo)
413 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
414 struct sta_info *sta;
419 sta = sta_info_get_bss(sdata, mac);
422 sta_set_sinfo(sta, sinfo);
431 * This handles both adding a beacon and setting new beacon info
433 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
434 struct beacon_parameters *params)
436 struct beacon_data *new, *old;
437 int new_head_len, new_tail_len;
441 old = sdata->u.ap.beacon;
443 /* head must not be zero-length */
444 if (params->head && !params->head_len)
448 * This is a kludge. beacon interval should really be part
449 * of the beacon information.
451 if (params->interval &&
452 (sdata->vif.bss_conf.beacon_int != params->interval)) {
453 sdata->vif.bss_conf.beacon_int = params->interval;
454 ieee80211_bss_info_change_notify(sdata,
455 BSS_CHANGED_BEACON_INT);
458 /* Need to have a beacon head if we don't have one yet */
459 if (!params->head && !old)
462 /* sorry, no way to start beaconing without dtim period */
463 if (!params->dtim_period && !old)
466 /* new or old head? */
468 new_head_len = params->head_len;
470 new_head_len = old->head_len;
472 /* new or old tail? */
473 if (params->tail || !old)
474 /* params->tail_len will be zero for !params->tail */
475 new_tail_len = params->tail_len;
477 new_tail_len = old->tail_len;
479 size = sizeof(*new) + new_head_len + new_tail_len;
481 new = kzalloc(size, GFP_KERNEL);
485 /* start filling the new info now */
487 /* new or old dtim period? */
488 if (params->dtim_period)
489 new->dtim_period = params->dtim_period;
491 new->dtim_period = old->dtim_period;
494 * pointers go into the block we allocated,
495 * memory is | beacon_data | head | tail |
497 new->head = ((u8 *) new) + sizeof(*new);
498 new->tail = new->head + new_head_len;
499 new->head_len = new_head_len;
500 new->tail_len = new_tail_len;
504 memcpy(new->head, params->head, new_head_len);
506 memcpy(new->head, old->head, new_head_len);
508 /* copy in optional tail */
510 memcpy(new->tail, params->tail, new_tail_len);
513 memcpy(new->tail, old->tail, new_tail_len);
515 sdata->vif.bss_conf.dtim_period = new->dtim_period;
517 rcu_assign_pointer(sdata->u.ap.beacon, new);
523 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
528 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
529 struct beacon_parameters *params)
531 struct ieee80211_sub_if_data *sdata;
532 struct beacon_data *old;
534 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
536 old = sdata->u.ap.beacon;
541 return ieee80211_config_beacon(sdata, params);
544 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
545 struct beacon_parameters *params)
547 struct ieee80211_sub_if_data *sdata;
548 struct beacon_data *old;
550 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
552 old = sdata->u.ap.beacon;
557 return ieee80211_config_beacon(sdata, params);
560 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
562 struct ieee80211_sub_if_data *sdata;
563 struct beacon_data *old;
565 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
567 old = sdata->u.ap.beacon;
572 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
576 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
580 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
581 struct iapp_layer2_update {
582 u8 da[ETH_ALEN]; /* broadcast */
583 u8 sa[ETH_ALEN]; /* STA addr */
591 static void ieee80211_send_layer2_update(struct sta_info *sta)
593 struct iapp_layer2_update *msg;
596 /* Send Level 2 Update Frame to update forwarding tables in layer 2
599 skb = dev_alloc_skb(sizeof(*msg));
602 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
604 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
605 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
607 memset(msg->da, 0xff, ETH_ALEN);
608 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
611 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
612 msg->control = 0xaf; /* XID response lsb.1111F101.
613 * F=0 (no poll command; unsolicited frame) */
614 msg->xid_info[0] = 0x81; /* XID format identifier */
615 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
616 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
618 skb->dev = sta->sdata->dev;
619 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
620 memset(skb->cb, 0, sizeof(skb->cb));
624 static void sta_apply_parameters(struct ieee80211_local *local,
625 struct sta_info *sta,
626 struct station_parameters *params)
631 struct ieee80211_supported_band *sband;
632 struct ieee80211_sub_if_data *sdata = sta->sdata;
635 sband = local->hw.wiphy->bands[local->oper_channel->band];
637 spin_lock_irqsave(&sta->flaglock, flags);
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_irqrestore(&sta->flaglock, flags);
667 * cfg80211 validates this (1-2007) and allows setting the AID
668 * only when creating a new station entry
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) {
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)
693 sta->sta.supp_rates[local->oper_channel->band] = rates;
697 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
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);
706 case PLINK_ACTION_BLOCK:
707 mesh_plink_block(sta);
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;
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)
729 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
731 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
734 if (is_multicast_ether_addr(mac))
737 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
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 err = sta_info_insert_rcu(sta);
757 ieee80211_send_layer2_update(sta);
764 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
767 struct ieee80211_local *local = wiphy_priv(wiphy);
768 struct ieee80211_sub_if_data *sdata;
770 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
773 return sta_info_destroy_addr_bss(sdata, mac);
775 sta_info_flush(local, sdata);
779 static int ieee80211_change_station(struct wiphy *wiphy,
780 struct net_device *dev,
782 struct station_parameters *params)
784 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
785 struct ieee80211_local *local = wiphy_priv(wiphy);
786 struct sta_info *sta;
787 struct ieee80211_sub_if_data *vlansdata;
791 sta = sta_info_get_bss(sdata, mac);
797 if (params->vlan && params->vlan != sta->sdata->dev) {
798 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
800 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
801 vlansdata->vif.type != NL80211_IFTYPE_AP) {
806 if (params->vlan->ieee80211_ptr->use_4addr) {
807 if (vlansdata->u.vlan.sta) {
812 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
815 sta->sdata = vlansdata;
816 ieee80211_send_layer2_update(sta);
819 sta_apply_parameters(local, sta, params);
826 #ifdef CONFIG_MAC80211_MESH
827 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
828 u8 *dst, u8 *next_hop)
830 struct ieee80211_sub_if_data *sdata;
831 struct mesh_path *mpath;
832 struct sta_info *sta;
835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
838 sta = sta_info_get(sdata, next_hop);
844 err = mesh_path_add(dst, sdata);
850 mpath = mesh_path_lookup(dst, sdata);
855 mesh_path_fix_nexthop(mpath, sta);
861 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
864 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
867 return mesh_path_del(dst, sdata);
869 mesh_path_flush(sdata);
873 static int ieee80211_change_mpath(struct wiphy *wiphy,
874 struct net_device *dev,
875 u8 *dst, u8 *next_hop)
877 struct ieee80211_sub_if_data *sdata;
878 struct mesh_path *mpath;
879 struct sta_info *sta;
881 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
885 sta = sta_info_get(sdata, next_hop);
891 mpath = mesh_path_lookup(dst, sdata);
897 mesh_path_fix_nexthop(mpath, sta);
903 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
904 struct mpath_info *pinfo)
907 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
909 memset(next_hop, 0, ETH_ALEN);
911 pinfo->generation = mesh_paths_generation;
913 pinfo->filled = MPATH_INFO_FRAME_QLEN |
917 MPATH_INFO_DISCOVERY_TIMEOUT |
918 MPATH_INFO_DISCOVERY_RETRIES |
921 pinfo->frame_qlen = mpath->frame_queue.qlen;
922 pinfo->sn = mpath->sn;
923 pinfo->metric = mpath->metric;
924 if (time_before(jiffies, mpath->exp_time))
925 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
926 pinfo->discovery_timeout =
927 jiffies_to_msecs(mpath->discovery_timeout);
928 pinfo->discovery_retries = mpath->discovery_retries;
930 if (mpath->flags & MESH_PATH_ACTIVE)
931 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
932 if (mpath->flags & MESH_PATH_RESOLVING)
933 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
934 if (mpath->flags & MESH_PATH_SN_VALID)
935 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
936 if (mpath->flags & MESH_PATH_FIXED)
937 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
938 if (mpath->flags & MESH_PATH_RESOLVING)
939 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
941 pinfo->flags = mpath->flags;
944 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
945 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
948 struct ieee80211_sub_if_data *sdata;
949 struct mesh_path *mpath;
951 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
954 mpath = mesh_path_lookup(dst, sdata);
959 memcpy(dst, mpath->dst, ETH_ALEN);
960 mpath_set_pinfo(mpath, next_hop, pinfo);
965 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
966 int idx, u8 *dst, u8 *next_hop,
967 struct mpath_info *pinfo)
969 struct ieee80211_sub_if_data *sdata;
970 struct mesh_path *mpath;
972 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
975 mpath = mesh_path_lookup_by_idx(idx, sdata);
980 memcpy(dst, mpath->dst, ETH_ALEN);
981 mpath_set_pinfo(mpath, next_hop, pinfo);
986 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
987 struct net_device *dev,
988 struct mesh_config *conf)
990 struct ieee80211_sub_if_data *sdata;
991 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
993 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
997 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
999 return (mask >> (parm-1)) & 0x1;
1002 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1003 struct net_device *dev,
1004 const struct mesh_config *nconf, u32 mask)
1006 struct mesh_config *conf;
1007 struct ieee80211_sub_if_data *sdata;
1008 struct ieee80211_if_mesh *ifmsh;
1010 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1011 ifmsh = &sdata->u.mesh;
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_ELEMENT_TTL, mask))
1028 conf->dot11MeshTTL = nconf->element_ttl;
1029 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1030 conf->auto_open_plinks = nconf->auto_open_plinks;
1031 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1032 conf->dot11MeshHWMPmaxPREQretries =
1033 nconf->dot11MeshHWMPmaxPREQretries;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1035 conf->path_refresh_time = nconf->path_refresh_time;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1037 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1039 conf->dot11MeshHWMPactivePathTimeout =
1040 nconf->dot11MeshHWMPactivePathTimeout;
1041 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1042 conf->dot11MeshHWMPpreqMinInterval =
1043 nconf->dot11MeshHWMPpreqMinInterval;
1044 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1046 conf->dot11MeshHWMPnetDiameterTraversalTime =
1047 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1048 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1049 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1050 ieee80211_mesh_root_setup(ifmsh);
1057 static int ieee80211_change_bss(struct wiphy *wiphy,
1058 struct net_device *dev,
1059 struct bss_parameters *params)
1061 struct ieee80211_sub_if_data *sdata;
1064 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1066 if (params->use_cts_prot >= 0) {
1067 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1068 changed |= BSS_CHANGED_ERP_CTS_PROT;
1070 if (params->use_short_preamble >= 0) {
1071 sdata->vif.bss_conf.use_short_preamble =
1072 params->use_short_preamble;
1073 changed |= BSS_CHANGED_ERP_PREAMBLE;
1076 if (!sdata->vif.bss_conf.use_short_slot &&
1077 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1078 sdata->vif.bss_conf.use_short_slot = true;
1079 changed |= BSS_CHANGED_ERP_SLOT;
1082 if (params->use_short_slot_time >= 0) {
1083 sdata->vif.bss_conf.use_short_slot =
1084 params->use_short_slot_time;
1085 changed |= BSS_CHANGED_ERP_SLOT;
1088 if (params->basic_rates) {
1091 struct ieee80211_local *local = wiphy_priv(wiphy);
1092 struct ieee80211_supported_band *sband =
1093 wiphy->bands[local->oper_channel->band];
1095 for (i = 0; i < params->basic_rates_len; i++) {
1096 int rate = (params->basic_rates[i] & 0x7f) * 5;
1097 for (j = 0; j < sband->n_bitrates; j++) {
1098 if (sband->bitrates[j].bitrate == rate)
1102 sdata->vif.bss_conf.basic_rates = rates;
1103 changed |= BSS_CHANGED_BASIC_RATES;
1106 if (params->ap_isolate >= 0) {
1107 if (params->ap_isolate)
1108 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1110 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1113 ieee80211_bss_info_change_notify(sdata, changed);
1118 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1119 struct ieee80211_txq_params *params)
1121 struct ieee80211_local *local = wiphy_priv(wiphy);
1122 struct ieee80211_tx_queue_params p;
1124 if (!local->ops->conf_tx)
1127 memset(&p, 0, sizeof(p));
1128 p.aifs = params->aifs;
1129 p.cw_max = params->cwmax;
1130 p.cw_min = params->cwmin;
1131 p.txop = params->txop;
1134 * Setting tx queue params disables u-apsd because it's only
1135 * called in master mode.
1139 if (drv_conf_tx(local, params->queue, &p)) {
1140 wiphy_debug(local->hw.wiphy,
1141 "failed to set TX queue parameters for queue %d\n",
1149 static int ieee80211_set_channel(struct wiphy *wiphy,
1150 struct net_device *netdev,
1151 struct ieee80211_channel *chan,
1152 enum nl80211_channel_type channel_type)
1154 struct ieee80211_local *local = wiphy_priv(wiphy);
1155 struct ieee80211_sub_if_data *sdata = NULL;
1158 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1160 switch (ieee80211_get_channel_mode(local, NULL)) {
1161 case CHAN_MODE_HOPPING:
1163 case CHAN_MODE_FIXED:
1164 if (local->oper_channel != chan)
1166 if (!sdata && local->_oper_channel_type == channel_type)
1169 case CHAN_MODE_UNDEFINED:
1173 local->oper_channel = chan;
1175 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1178 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1179 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
1180 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1186 static int ieee80211_suspend(struct wiphy *wiphy)
1188 return __ieee80211_suspend(wiphy_priv(wiphy));
1191 static int ieee80211_resume(struct wiphy *wiphy)
1193 return __ieee80211_resume(wiphy_priv(wiphy));
1196 #define ieee80211_suspend NULL
1197 #define ieee80211_resume NULL
1200 static int ieee80211_scan(struct wiphy *wiphy,
1201 struct net_device *dev,
1202 struct cfg80211_scan_request *req)
1204 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1206 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1207 case NL80211_IFTYPE_STATION:
1208 case NL80211_IFTYPE_ADHOC:
1209 case NL80211_IFTYPE_MESH_POINT:
1210 case NL80211_IFTYPE_P2P_CLIENT:
1212 case NL80211_IFTYPE_P2P_GO:
1213 if (sdata->local->ops->hw_scan)
1215 /* FIXME: implement NoA while scanning in software */
1217 case NL80211_IFTYPE_AP:
1218 if (sdata->u.ap.beacon)
1225 return ieee80211_request_scan(sdata, req);
1228 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1229 struct cfg80211_auth_request *req)
1231 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1234 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1235 struct cfg80211_assoc_request *req)
1237 struct ieee80211_local *local = wiphy_priv(wiphy);
1238 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1240 switch (ieee80211_get_channel_mode(local, sdata)) {
1241 case CHAN_MODE_HOPPING:
1243 case CHAN_MODE_FIXED:
1244 if (local->oper_channel == req->bss->channel)
1247 case CHAN_MODE_UNDEFINED:
1251 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1254 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1255 struct cfg80211_deauth_request *req,
1258 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1262 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1263 struct cfg80211_disassoc_request *req,
1266 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1270 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1271 struct cfg80211_ibss_params *params)
1273 struct ieee80211_local *local = wiphy_priv(wiphy);
1274 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1276 switch (ieee80211_get_channel_mode(local, sdata)) {
1277 case CHAN_MODE_HOPPING:
1279 case CHAN_MODE_FIXED:
1280 if (!params->channel_fixed)
1282 if (local->oper_channel == params->channel)
1285 case CHAN_MODE_UNDEFINED:
1289 return ieee80211_ibss_join(sdata, params);
1292 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1294 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1296 return ieee80211_ibss_leave(sdata);
1299 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1301 struct ieee80211_local *local = wiphy_priv(wiphy);
1304 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1305 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1311 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1312 err = drv_set_coverage_class(local, wiphy->coverage_class);
1318 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1319 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1325 if (changed & WIPHY_PARAM_RETRY_SHORT)
1326 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1327 if (changed & WIPHY_PARAM_RETRY_LONG)
1328 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1330 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1331 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1336 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1337 enum nl80211_tx_power_setting type, int mbm)
1339 struct ieee80211_local *local = wiphy_priv(wiphy);
1340 struct ieee80211_channel *chan = local->hw.conf.channel;
1344 case NL80211_TX_POWER_AUTOMATIC:
1345 local->user_power_level = -1;
1347 case NL80211_TX_POWER_LIMITED:
1348 if (mbm < 0 || (mbm % 100))
1350 local->user_power_level = MBM_TO_DBM(mbm);
1352 case NL80211_TX_POWER_FIXED:
1353 if (mbm < 0 || (mbm % 100))
1355 /* TODO: move to cfg80211 when it knows the channel */
1356 if (MBM_TO_DBM(mbm) > chan->max_power)
1358 local->user_power_level = MBM_TO_DBM(mbm);
1362 ieee80211_hw_config(local, changes);
1367 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1369 struct ieee80211_local *local = wiphy_priv(wiphy);
1371 *dbm = local->hw.conf.power_level;
1376 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1379 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1381 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1386 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1388 struct ieee80211_local *local = wiphy_priv(wiphy);
1390 drv_rfkill_poll(local);
1393 #ifdef CONFIG_NL80211_TESTMODE
1394 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1396 struct ieee80211_local *local = wiphy_priv(wiphy);
1398 if (!local->ops->testmode_cmd)
1401 return local->ops->testmode_cmd(&local->hw, data, len);
1405 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1406 enum ieee80211_smps_mode smps_mode)
1409 enum ieee80211_smps_mode old_req;
1412 old_req = sdata->u.mgd.req_smps;
1413 sdata->u.mgd.req_smps = smps_mode;
1415 if (old_req == smps_mode &&
1416 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1420 * If not associated, or current association is not an HT
1421 * association, there's no need to send an action frame.
1423 if (!sdata->u.mgd.associated ||
1424 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1425 mutex_lock(&sdata->local->iflist_mtx);
1426 ieee80211_recalc_smps(sdata->local);
1427 mutex_unlock(&sdata->local->iflist_mtx);
1431 ap = sdata->u.mgd.associated->bssid;
1433 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1434 if (sdata->u.mgd.powersave)
1435 smps_mode = IEEE80211_SMPS_DYNAMIC;
1437 smps_mode = IEEE80211_SMPS_OFF;
1440 /* send SM PS frame to AP */
1441 err = ieee80211_send_smps_action(sdata, smps_mode,
1444 sdata->u.mgd.req_smps = old_req;
1449 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1450 bool enabled, int timeout)
1452 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1453 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1455 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1458 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1461 if (enabled == sdata->u.mgd.powersave &&
1462 timeout == local->dynamic_ps_forced_timeout)
1465 sdata->u.mgd.powersave = enabled;
1466 local->dynamic_ps_forced_timeout = timeout;
1468 /* no change, but if automatic follow powersave */
1469 mutex_lock(&sdata->u.mgd.mtx);
1470 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1471 mutex_unlock(&sdata->u.mgd.mtx);
1473 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1474 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1476 ieee80211_recalc_ps(local, -1);
1481 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1482 struct net_device *dev,
1483 s32 rssi_thold, u32 rssi_hyst)
1485 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1486 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1487 struct ieee80211_vif *vif = &sdata->vif;
1488 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1490 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1491 rssi_hyst == bss_conf->cqm_rssi_hyst)
1494 bss_conf->cqm_rssi_thold = rssi_thold;
1495 bss_conf->cqm_rssi_hyst = rssi_hyst;
1497 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1498 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1503 /* tell the driver upon association, unless already associated */
1504 if (sdata->u.mgd.associated)
1505 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1510 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1511 struct net_device *dev,
1513 const struct cfg80211_bitrate_mask *mask)
1515 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1516 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1520 * This _could_ be supported by providing a hook for
1521 * drivers for this function, but at this point it
1522 * doesn't seem worth bothering.
1524 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1528 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1529 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1534 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1535 struct net_device *dev,
1536 struct ieee80211_channel *chan,
1537 enum nl80211_channel_type channel_type,
1538 unsigned int duration,
1541 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1543 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1547 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1548 struct net_device *dev,
1551 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1553 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1556 static enum work_done_result
1557 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1560 * Use the data embedded in the work struct for reporting
1561 * here so if the driver mangled the SKB before dropping
1562 * it (which is the only way we really should get here)
1563 * then we don't report mangled data.
1565 * If there was no wait time, then by the time we get here
1566 * the driver will likely not have reported the status yet,
1567 * so in that case userspace will have to deal with it.
1570 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1571 cfg80211_mgmt_tx_status(wk->sdata->dev,
1572 (unsigned long) wk->offchan_tx.frame,
1573 wk->ie, wk->ie_len, false, GFP_KERNEL);
1575 return WORK_DONE_DESTROY;
1578 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
1579 struct ieee80211_channel *chan, bool offchan,
1580 enum nl80211_channel_type channel_type,
1581 bool channel_type_valid, unsigned int wait,
1582 const u8 *buf, size_t len, u64 *cookie)
1584 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1585 struct ieee80211_local *local = sdata->local;
1586 struct sk_buff *skb;
1587 struct sta_info *sta;
1588 struct ieee80211_work *wk;
1589 const struct ieee80211_mgmt *mgmt = (void *)buf;
1590 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1591 IEEE80211_TX_CTL_REQ_TX_STATUS;
1592 bool is_offchan = false;
1594 /* Check that we are on the requested channel for transmission */
1595 if (chan != local->tmp_channel &&
1596 chan != local->oper_channel)
1598 if (channel_type_valid &&
1599 (channel_type != local->tmp_channel_type &&
1600 channel_type != local->_oper_channel_type))
1603 if (is_offchan && !offchan)
1606 switch (sdata->vif.type) {
1607 case NL80211_IFTYPE_ADHOC:
1608 case NL80211_IFTYPE_AP:
1609 case NL80211_IFTYPE_AP_VLAN:
1610 case NL80211_IFTYPE_P2P_GO:
1611 if (!ieee80211_is_action(mgmt->frame_control) ||
1612 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
1615 sta = sta_info_get(sdata, mgmt->da);
1620 case NL80211_IFTYPE_STATION:
1621 case NL80211_IFTYPE_P2P_CLIENT:
1627 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1630 skb_reserve(skb, local->hw.extra_tx_headroom);
1632 memcpy(skb_put(skb, len), buf, len);
1634 IEEE80211_SKB_CB(skb)->flags = flags;
1636 skb->dev = sdata->dev;
1638 *cookie = (unsigned long) skb;
1641 * Can transmit right away if the channel was the
1642 * right one and there's no wait involved... If a
1643 * wait is involved, we might otherwise not be on
1644 * the right channel for long enough!
1646 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1647 ieee80211_tx_skb(sdata, skb);
1651 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1657 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1660 wk->done = ieee80211_offchan_tx_done;
1661 wk->offchan_tx.frame = skb;
1662 wk->offchan_tx.wait = wait;
1664 memcpy(wk->ie, buf, len);
1666 ieee80211_add_work(wk);
1670 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1671 struct net_device *dev,
1674 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1675 struct ieee80211_local *local = sdata->local;
1676 struct ieee80211_work *wk;
1679 mutex_lock(&local->mtx);
1680 list_for_each_entry(wk, &local->work_list, list) {
1681 if (wk->sdata != sdata)
1684 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
1687 if (cookie != (unsigned long) wk->offchan_tx.frame)
1690 wk->timeout = jiffies;
1692 ieee80211_queue_work(&local->hw, &local->work_work);
1696 mutex_unlock(&local->mtx);
1701 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
1702 struct net_device *dev,
1703 u16 frame_type, bool reg)
1705 struct ieee80211_local *local = wiphy_priv(wiphy);
1707 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
1711 local->probe_req_reg++;
1713 local->probe_req_reg--;
1715 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
1718 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1720 struct ieee80211_local *local = wiphy_priv(wiphy);
1725 return drv_set_antenna(local, tx_ant, rx_ant);
1728 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1730 struct ieee80211_local *local = wiphy_priv(wiphy);
1732 return drv_get_antenna(local, tx_ant, rx_ant);
1735 struct cfg80211_ops mac80211_config_ops = {
1736 .add_virtual_intf = ieee80211_add_iface,
1737 .del_virtual_intf = ieee80211_del_iface,
1738 .change_virtual_intf = ieee80211_change_iface,
1739 .add_key = ieee80211_add_key,
1740 .del_key = ieee80211_del_key,
1741 .get_key = ieee80211_get_key,
1742 .set_default_key = ieee80211_config_default_key,
1743 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1744 .add_beacon = ieee80211_add_beacon,
1745 .set_beacon = ieee80211_set_beacon,
1746 .del_beacon = ieee80211_del_beacon,
1747 .add_station = ieee80211_add_station,
1748 .del_station = ieee80211_del_station,
1749 .change_station = ieee80211_change_station,
1750 .get_station = ieee80211_get_station,
1751 .dump_station = ieee80211_dump_station,
1752 .dump_survey = ieee80211_dump_survey,
1753 #ifdef CONFIG_MAC80211_MESH
1754 .add_mpath = ieee80211_add_mpath,
1755 .del_mpath = ieee80211_del_mpath,
1756 .change_mpath = ieee80211_change_mpath,
1757 .get_mpath = ieee80211_get_mpath,
1758 .dump_mpath = ieee80211_dump_mpath,
1759 .set_mesh_params = ieee80211_set_mesh_params,
1760 .get_mesh_params = ieee80211_get_mesh_params,
1762 .change_bss = ieee80211_change_bss,
1763 .set_txq_params = ieee80211_set_txq_params,
1764 .set_channel = ieee80211_set_channel,
1765 .suspend = ieee80211_suspend,
1766 .resume = ieee80211_resume,
1767 .scan = ieee80211_scan,
1768 .auth = ieee80211_auth,
1769 .assoc = ieee80211_assoc,
1770 .deauth = ieee80211_deauth,
1771 .disassoc = ieee80211_disassoc,
1772 .join_ibss = ieee80211_join_ibss,
1773 .leave_ibss = ieee80211_leave_ibss,
1774 .set_wiphy_params = ieee80211_set_wiphy_params,
1775 .set_tx_power = ieee80211_set_tx_power,
1776 .get_tx_power = ieee80211_get_tx_power,
1777 .set_wds_peer = ieee80211_set_wds_peer,
1778 .rfkill_poll = ieee80211_rfkill_poll,
1779 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1780 .set_power_mgmt = ieee80211_set_power_mgmt,
1781 .set_bitrate_mask = ieee80211_set_bitrate_mask,
1782 .remain_on_channel = ieee80211_remain_on_channel,
1783 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
1784 .mgmt_tx = ieee80211_mgmt_tx,
1785 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
1786 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
1787 .mgmt_frame_register = ieee80211_mgmt_frame_register,
1788 .set_antenna = ieee80211_set_antenna,
1789 .get_antenna = ieee80211_get_antenna,