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 struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
23 enum nl80211_iftype type,
25 struct vif_params *params)
27 struct ieee80211_local *local = wiphy_priv(wiphy);
28 struct net_device *dev;
29 struct ieee80211_sub_if_data *sdata;
32 err = ieee80211_if_add(local, name, &dev, type, params);
36 if (type == NL80211_IFTYPE_MONITOR && flags) {
37 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
38 sdata->u.mntr_flags = *flags;
44 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
46 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
51 static int ieee80211_change_iface(struct wiphy *wiphy,
52 struct net_device *dev,
53 enum nl80211_iftype type, u32 *flags,
54 struct vif_params *params)
56 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
59 ret = ieee80211_if_change_type(sdata, type);
63 if (type == NL80211_IFTYPE_AP_VLAN &&
64 params && params->use_4addr == 0)
65 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
66 else if (type == NL80211_IFTYPE_STATION &&
67 params && params->use_4addr >= 0)
68 sdata->u.mgd.use_4addr = params->use_4addr;
70 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
71 struct ieee80211_local *local = sdata->local;
73 if (ieee80211_sdata_running(sdata)) {
75 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
76 * changed while the interface is up.
77 * Else we would need to add a lot of cruft
78 * to update everything:
79 * cooked_mntrs, monitor and all fif_* counters
80 * reconfigure hardware
82 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
83 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
86 ieee80211_adjust_monitor_flags(sdata, -1);
87 sdata->u.mntr_flags = *flags;
88 ieee80211_adjust_monitor_flags(sdata, 1);
90 ieee80211_configure_filter(local);
93 * Because the interface is down, ieee80211_do_stop
94 * and ieee80211_do_open take care of "everything"
95 * mentioned in the comment above.
97 sdata->u.mntr_flags = *flags;
104 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
105 u8 key_idx, bool pairwise, const u8 *mac_addr,
106 struct key_params *params)
108 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
109 struct sta_info *sta = NULL;
110 struct ieee80211_key *key;
113 if (!ieee80211_sdata_running(sdata))
116 /* reject WEP and TKIP keys if WEP failed to initialize */
117 switch (params->cipher) {
118 case WLAN_CIPHER_SUITE_WEP40:
119 case WLAN_CIPHER_SUITE_TKIP:
120 case WLAN_CIPHER_SUITE_WEP104:
121 if (IS_ERR(sdata->local->wep_tx_tfm))
128 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
129 params->key, params->seq_len, params->seq);
134 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
136 mutex_lock(&sdata->local->sta_mtx);
139 sta = sta_info_get_bss(sdata, mac_addr);
141 ieee80211_key_free(sdata->local, key);
147 err = ieee80211_key_link(key, sdata, sta);
149 ieee80211_key_free(sdata->local, key);
152 mutex_unlock(&sdata->local->sta_mtx);
157 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
158 u8 key_idx, bool pairwise, const u8 *mac_addr)
160 struct ieee80211_sub_if_data *sdata;
161 struct sta_info *sta;
164 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
166 mutex_lock(&sdata->local->sta_mtx);
171 sta = sta_info_get_bss(sdata, mac_addr);
177 ieee80211_key_free(sdata->local, sta->ptk);
181 if (sta->gtk[key_idx]) {
182 ieee80211_key_free(sdata->local,
191 if (!sdata->keys[key_idx]) {
196 ieee80211_key_free(sdata->local, sdata->keys[key_idx]);
197 WARN_ON(sdata->keys[key_idx]);
201 mutex_unlock(&sdata->local->sta_mtx);
206 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
207 u8 key_idx, bool pairwise, const u8 *mac_addr,
209 void (*callback)(void *cookie,
210 struct key_params *params))
212 struct ieee80211_sub_if_data *sdata;
213 struct sta_info *sta = NULL;
215 struct key_params params;
216 struct ieee80211_key *key = NULL;
221 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
226 sta = sta_info_get_bss(sdata, mac_addr);
232 else if (key_idx < NUM_DEFAULT_KEYS)
233 key = sta->gtk[key_idx];
235 key = sdata->keys[key_idx];
240 memset(¶ms, 0, sizeof(params));
242 params.cipher = key->conf.cipher;
244 switch (key->conf.cipher) {
245 case 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,
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;
263 case WLAN_CIPHER_SUITE_CCMP:
264 seq[0] = key->u.ccmp.tx_pn[5];
265 seq[1] = key->u.ccmp.tx_pn[4];
266 seq[2] = key->u.ccmp.tx_pn[3];
267 seq[3] = key->u.ccmp.tx_pn[2];
268 seq[4] = key->u.ccmp.tx_pn[1];
269 seq[5] = key->u.ccmp.tx_pn[0];
273 case WLAN_CIPHER_SUITE_AES_CMAC:
274 seq[0] = key->u.aes_cmac.tx_pn[5];
275 seq[1] = key->u.aes_cmac.tx_pn[4];
276 seq[2] = key->u.aes_cmac.tx_pn[3];
277 seq[3] = key->u.aes_cmac.tx_pn[2];
278 seq[4] = key->u.aes_cmac.tx_pn[1];
279 seq[5] = key->u.aes_cmac.tx_pn[0];
285 params.key = key->conf.key;
286 params.key_len = key->conf.keylen;
288 callback(cookie, ¶ms);
296 static int ieee80211_config_default_key(struct wiphy *wiphy,
297 struct net_device *dev,
300 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
302 ieee80211_set_default_key(sdata, key_idx);
307 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
308 struct net_device *dev,
311 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313 ieee80211_set_default_mgmt_key(sdata, key_idx);
318 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
320 struct ieee80211_sub_if_data *sdata = sta->sdata;
322 sinfo->generation = sdata->local->sta_generation;
324 sinfo->filled = STATION_INFO_INACTIVE_TIME |
325 STATION_INFO_RX_BYTES |
326 STATION_INFO_TX_BYTES |
327 STATION_INFO_RX_PACKETS |
328 STATION_INFO_TX_PACKETS |
329 STATION_INFO_TX_RETRIES |
330 STATION_INFO_TX_FAILED |
331 STATION_INFO_TX_BITRATE |
332 STATION_INFO_RX_DROP_MISC;
334 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
335 sinfo->rx_bytes = sta->rx_bytes;
336 sinfo->tx_bytes = sta->tx_bytes;
337 sinfo->rx_packets = sta->rx_packets;
338 sinfo->tx_packets = sta->tx_packets;
339 sinfo->tx_retries = sta->tx_retry_count;
340 sinfo->tx_failed = sta->tx_retry_failed;
341 sinfo->rx_dropped_misc = sta->rx_dropped;
343 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
344 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
345 sinfo->filled |= STATION_INFO_SIGNAL;
346 sinfo->signal = (s8)sta->last_signal;
349 sinfo->txrate.flags = 0;
350 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
351 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
352 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
353 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
354 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
355 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
357 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
358 struct ieee80211_supported_band *sband;
359 sband = sta->local->hw.wiphy->bands[
360 sta->local->hw.conf.channel->band];
361 sinfo->txrate.legacy =
362 sband->bitrates[sta->last_tx_rate.idx].bitrate;
364 sinfo->txrate.mcs = sta->last_tx_rate.idx;
366 if (ieee80211_vif_is_mesh(&sdata->vif)) {
367 #ifdef CONFIG_MAC80211_MESH
368 sinfo->filled |= STATION_INFO_LLID |
370 STATION_INFO_PLINK_STATE;
372 sinfo->llid = le16_to_cpu(sta->llid);
373 sinfo->plid = le16_to_cpu(sta->plid);
374 sinfo->plink_state = sta->plink_state;
380 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
381 int idx, u8 *mac, struct station_info *sinfo)
383 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
384 struct sta_info *sta;
389 sta = sta_info_get_by_idx(sdata, idx);
392 memcpy(mac, sta->sta.addr, ETH_ALEN);
393 sta_set_sinfo(sta, sinfo);
401 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
402 int idx, struct survey_info *survey)
404 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
406 return drv_get_survey(local, idx, survey);
409 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
410 u8 *mac, struct station_info *sinfo)
412 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
413 struct sta_info *sta;
418 sta = sta_info_get_bss(sdata, mac);
421 sta_set_sinfo(sta, sinfo);
430 * This handles both adding a beacon and setting new beacon info
432 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
433 struct beacon_parameters *params)
435 struct beacon_data *new, *old;
436 int new_head_len, new_tail_len;
440 old = sdata->u.ap.beacon;
442 /* head must not be zero-length */
443 if (params->head && !params->head_len)
447 * This is a kludge. beacon interval should really be part
448 * of the beacon information.
450 if (params->interval &&
451 (sdata->vif.bss_conf.beacon_int != params->interval)) {
452 sdata->vif.bss_conf.beacon_int = params->interval;
453 ieee80211_bss_info_change_notify(sdata,
454 BSS_CHANGED_BEACON_INT);
457 /* Need to have a beacon head if we don't have one yet */
458 if (!params->head && !old)
461 /* sorry, no way to start beaconing without dtim period */
462 if (!params->dtim_period && !old)
465 /* new or old head? */
467 new_head_len = params->head_len;
469 new_head_len = old->head_len;
471 /* new or old tail? */
472 if (params->tail || !old)
473 /* params->tail_len will be zero for !params->tail */
474 new_tail_len = params->tail_len;
476 new_tail_len = old->tail_len;
478 size = sizeof(*new) + new_head_len + new_tail_len;
480 new = kzalloc(size, GFP_KERNEL);
484 /* start filling the new info now */
486 /* new or old dtim period? */
487 if (params->dtim_period)
488 new->dtim_period = params->dtim_period;
490 new->dtim_period = old->dtim_period;
493 * pointers go into the block we allocated,
494 * memory is | beacon_data | head | tail |
496 new->head = ((u8 *) new) + sizeof(*new);
497 new->tail = new->head + new_head_len;
498 new->head_len = new_head_len;
499 new->tail_len = new_tail_len;
503 memcpy(new->head, params->head, new_head_len);
505 memcpy(new->head, old->head, new_head_len);
507 /* copy in optional tail */
509 memcpy(new->tail, params->tail, new_tail_len);
512 memcpy(new->tail, old->tail, new_tail_len);
514 sdata->vif.bss_conf.dtim_period = new->dtim_period;
516 rcu_assign_pointer(sdata->u.ap.beacon, new);
522 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
527 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
528 struct beacon_parameters *params)
530 struct ieee80211_sub_if_data *sdata;
531 struct beacon_data *old;
533 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
535 old = sdata->u.ap.beacon;
540 return ieee80211_config_beacon(sdata, params);
543 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
544 struct beacon_parameters *params)
546 struct ieee80211_sub_if_data *sdata;
547 struct beacon_data *old;
549 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
551 old = sdata->u.ap.beacon;
556 return ieee80211_config_beacon(sdata, params);
559 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
561 struct ieee80211_sub_if_data *sdata;
562 struct beacon_data *old;
564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
566 old = sdata->u.ap.beacon;
571 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
575 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
579 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
580 struct iapp_layer2_update {
581 u8 da[ETH_ALEN]; /* broadcast */
582 u8 sa[ETH_ALEN]; /* STA addr */
590 static void ieee80211_send_layer2_update(struct sta_info *sta)
592 struct iapp_layer2_update *msg;
595 /* Send Level 2 Update Frame to update forwarding tables in layer 2
598 skb = dev_alloc_skb(sizeof(*msg));
601 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
603 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
604 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
606 memset(msg->da, 0xff, ETH_ALEN);
607 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
610 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
611 msg->control = 0xaf; /* XID response lsb.1111F101.
612 * F=0 (no poll command; unsolicited frame) */
613 msg->xid_info[0] = 0x81; /* XID format identifier */
614 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
615 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
617 skb->dev = sta->sdata->dev;
618 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
619 memset(skb->cb, 0, sizeof(skb->cb));
623 static void sta_apply_parameters(struct ieee80211_local *local,
624 struct sta_info *sta,
625 struct station_parameters *params)
630 struct ieee80211_supported_band *sband;
631 struct ieee80211_sub_if_data *sdata = sta->sdata;
634 sband = local->hw.wiphy->bands[local->oper_channel->band];
636 spin_lock_irqsave(&sta->flaglock, flags);
637 mask = params->sta_flags_mask;
638 set = params->sta_flags_set;
640 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
641 sta->flags &= ~WLAN_STA_AUTHORIZED;
642 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
643 sta->flags |= WLAN_STA_AUTHORIZED;
646 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
647 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
648 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
649 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
652 if (mask & BIT(NL80211_STA_FLAG_WME)) {
653 sta->flags &= ~WLAN_STA_WME;
654 if (set & BIT(NL80211_STA_FLAG_WME))
655 sta->flags |= WLAN_STA_WME;
658 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
659 sta->flags &= ~WLAN_STA_MFP;
660 if (set & BIT(NL80211_STA_FLAG_MFP))
661 sta->flags |= WLAN_STA_MFP;
663 spin_unlock_irqrestore(&sta->flaglock, flags);
666 * cfg80211 validates this (1-2007) and allows setting the AID
667 * only when creating a new station entry
670 sta->sta.aid = params->aid;
673 * FIXME: updating the following information is racy when this
674 * function is called from ieee80211_change_station().
675 * However, all this information should be static so
676 * maybe we should just reject attemps to change it.
679 if (params->listen_interval >= 0)
680 sta->listen_interval = params->listen_interval;
682 if (params->supported_rates) {
685 for (i = 0; i < params->supported_rates_len; i++) {
686 int rate = (params->supported_rates[i] & 0x7f) * 5;
687 for (j = 0; j < sband->n_bitrates; j++) {
688 if (sband->bitrates[j].bitrate == rate)
692 sta->sta.supp_rates[local->oper_channel->band] = rates;
696 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
700 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
701 switch (params->plink_action) {
702 case PLINK_ACTION_OPEN:
703 mesh_plink_open(sta);
705 case PLINK_ACTION_BLOCK:
706 mesh_plink_block(sta);
712 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
713 u8 *mac, struct station_parameters *params)
715 struct ieee80211_local *local = wiphy_priv(wiphy);
716 struct sta_info *sta;
717 struct ieee80211_sub_if_data *sdata;
722 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
724 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
725 sdata->vif.type != NL80211_IFTYPE_AP)
728 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
730 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
733 if (is_multicast_ether_addr(mac))
736 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
740 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
742 sta_apply_parameters(local, sta, params);
744 rate_control_rate_init(sta);
746 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
747 sdata->vif.type == NL80211_IFTYPE_AP;
749 err = sta_info_insert_rcu(sta);
756 ieee80211_send_layer2_update(sta);
763 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
766 struct ieee80211_local *local = wiphy_priv(wiphy);
767 struct ieee80211_sub_if_data *sdata;
769 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
772 return sta_info_destroy_addr_bss(sdata, mac);
774 sta_info_flush(local, sdata);
778 static int ieee80211_change_station(struct wiphy *wiphy,
779 struct net_device *dev,
781 struct station_parameters *params)
783 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
784 struct ieee80211_local *local = wiphy_priv(wiphy);
785 struct sta_info *sta;
786 struct ieee80211_sub_if_data *vlansdata;
790 sta = sta_info_get_bss(sdata, mac);
796 if (params->vlan && params->vlan != sta->sdata->dev) {
797 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
799 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
800 vlansdata->vif.type != NL80211_IFTYPE_AP) {
805 if (params->vlan->ieee80211_ptr->use_4addr) {
806 if (vlansdata->u.vlan.sta) {
811 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
814 sta->sdata = vlansdata;
815 ieee80211_send_layer2_update(sta);
818 sta_apply_parameters(local, sta, params);
825 #ifdef CONFIG_MAC80211_MESH
826 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
827 u8 *dst, u8 *next_hop)
829 struct ieee80211_sub_if_data *sdata;
830 struct mesh_path *mpath;
831 struct sta_info *sta;
834 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
837 sta = sta_info_get(sdata, next_hop);
843 err = mesh_path_add(dst, sdata);
849 mpath = mesh_path_lookup(dst, sdata);
854 mesh_path_fix_nexthop(mpath, sta);
860 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
863 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
866 return mesh_path_del(dst, sdata);
868 mesh_path_flush(sdata);
872 static int ieee80211_change_mpath(struct wiphy *wiphy,
873 struct net_device *dev,
874 u8 *dst, u8 *next_hop)
876 struct ieee80211_sub_if_data *sdata;
877 struct mesh_path *mpath;
878 struct sta_info *sta;
880 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
884 sta = sta_info_get(sdata, next_hop);
890 mpath = mesh_path_lookup(dst, sdata);
896 mesh_path_fix_nexthop(mpath, sta);
902 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
903 struct mpath_info *pinfo)
906 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
908 memset(next_hop, 0, ETH_ALEN);
910 pinfo->generation = mesh_paths_generation;
912 pinfo->filled = MPATH_INFO_FRAME_QLEN |
916 MPATH_INFO_DISCOVERY_TIMEOUT |
917 MPATH_INFO_DISCOVERY_RETRIES |
920 pinfo->frame_qlen = mpath->frame_queue.qlen;
921 pinfo->sn = mpath->sn;
922 pinfo->metric = mpath->metric;
923 if (time_before(jiffies, mpath->exp_time))
924 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
925 pinfo->discovery_timeout =
926 jiffies_to_msecs(mpath->discovery_timeout);
927 pinfo->discovery_retries = mpath->discovery_retries;
929 if (mpath->flags & MESH_PATH_ACTIVE)
930 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
931 if (mpath->flags & MESH_PATH_RESOLVING)
932 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
933 if (mpath->flags & MESH_PATH_SN_VALID)
934 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
935 if (mpath->flags & MESH_PATH_FIXED)
936 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
937 if (mpath->flags & MESH_PATH_RESOLVING)
938 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
940 pinfo->flags = mpath->flags;
943 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
944 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
947 struct ieee80211_sub_if_data *sdata;
948 struct mesh_path *mpath;
950 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
953 mpath = mesh_path_lookup(dst, sdata);
958 memcpy(dst, mpath->dst, ETH_ALEN);
959 mpath_set_pinfo(mpath, next_hop, pinfo);
964 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
965 int idx, u8 *dst, u8 *next_hop,
966 struct mpath_info *pinfo)
968 struct ieee80211_sub_if_data *sdata;
969 struct mesh_path *mpath;
971 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
974 mpath = mesh_path_lookup_by_idx(idx, sdata);
979 memcpy(dst, mpath->dst, ETH_ALEN);
980 mpath_set_pinfo(mpath, next_hop, pinfo);
985 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
986 struct net_device *dev,
987 struct mesh_config *conf)
989 struct ieee80211_sub_if_data *sdata;
990 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
992 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
996 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
998 return (mask >> (parm-1)) & 0x1;
1001 static int ieee80211_update_mesh_params(struct wiphy *wiphy,
1002 struct net_device *dev, u32 mask,
1003 const struct mesh_config *nconf)
1005 struct mesh_config *conf;
1006 struct ieee80211_sub_if_data *sdata;
1007 struct ieee80211_if_mesh *ifmsh;
1009 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1010 ifmsh = &sdata->u.mesh;
1012 /* Set the config options which we are interested in setting */
1013 conf = &(sdata->u.mesh.mshcfg);
1014 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1015 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1016 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1017 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1018 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1019 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1020 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1021 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1022 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1023 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1024 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1025 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1026 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1027 conf->dot11MeshTTL = nconf->element_ttl;
1028 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1029 conf->auto_open_plinks = nconf->auto_open_plinks;
1030 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1031 conf->dot11MeshHWMPmaxPREQretries =
1032 nconf->dot11MeshHWMPmaxPREQretries;
1033 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1034 conf->path_refresh_time = nconf->path_refresh_time;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1036 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1037 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1038 conf->dot11MeshHWMPactivePathTimeout =
1039 nconf->dot11MeshHWMPactivePathTimeout;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1041 conf->dot11MeshHWMPpreqMinInterval =
1042 nconf->dot11MeshHWMPpreqMinInterval;
1043 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1045 conf->dot11MeshHWMPnetDiameterTraversalTime =
1046 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1047 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1048 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1049 ieee80211_mesh_root_setup(ifmsh);
1054 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1055 const struct mesh_config *conf,
1056 const struct mesh_setup *setup)
1058 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1059 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1061 memcpy(&sdata->u.mesh.mshcfg, conf, sizeof(struct mesh_config));
1062 ifmsh->mesh_id_len = setup->mesh_id_len;
1063 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1065 ieee80211_start_mesh(sdata);
1070 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1072 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1074 ieee80211_stop_mesh(sdata);
1080 static int ieee80211_change_bss(struct wiphy *wiphy,
1081 struct net_device *dev,
1082 struct bss_parameters *params)
1084 struct ieee80211_sub_if_data *sdata;
1087 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1089 if (params->use_cts_prot >= 0) {
1090 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1091 changed |= BSS_CHANGED_ERP_CTS_PROT;
1093 if (params->use_short_preamble >= 0) {
1094 sdata->vif.bss_conf.use_short_preamble =
1095 params->use_short_preamble;
1096 changed |= BSS_CHANGED_ERP_PREAMBLE;
1099 if (!sdata->vif.bss_conf.use_short_slot &&
1100 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1101 sdata->vif.bss_conf.use_short_slot = true;
1102 changed |= BSS_CHANGED_ERP_SLOT;
1105 if (params->use_short_slot_time >= 0) {
1106 sdata->vif.bss_conf.use_short_slot =
1107 params->use_short_slot_time;
1108 changed |= BSS_CHANGED_ERP_SLOT;
1111 if (params->basic_rates) {
1114 struct ieee80211_local *local = wiphy_priv(wiphy);
1115 struct ieee80211_supported_band *sband =
1116 wiphy->bands[local->oper_channel->band];
1118 for (i = 0; i < params->basic_rates_len; i++) {
1119 int rate = (params->basic_rates[i] & 0x7f) * 5;
1120 for (j = 0; j < sband->n_bitrates; j++) {
1121 if (sband->bitrates[j].bitrate == rate)
1125 sdata->vif.bss_conf.basic_rates = rates;
1126 changed |= BSS_CHANGED_BASIC_RATES;
1129 if (params->ap_isolate >= 0) {
1130 if (params->ap_isolate)
1131 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1133 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1136 ieee80211_bss_info_change_notify(sdata, changed);
1141 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1142 struct ieee80211_txq_params *params)
1144 struct ieee80211_local *local = wiphy_priv(wiphy);
1145 struct ieee80211_tx_queue_params p;
1147 if (!local->ops->conf_tx)
1150 memset(&p, 0, sizeof(p));
1151 p.aifs = params->aifs;
1152 p.cw_max = params->cwmax;
1153 p.cw_min = params->cwmin;
1154 p.txop = params->txop;
1157 * Setting tx queue params disables u-apsd because it's only
1158 * called in master mode.
1162 if (drv_conf_tx(local, params->queue, &p)) {
1163 wiphy_debug(local->hw.wiphy,
1164 "failed to set TX queue parameters for queue %d\n",
1172 static int ieee80211_set_channel(struct wiphy *wiphy,
1173 struct net_device *netdev,
1174 struct ieee80211_channel *chan,
1175 enum nl80211_channel_type channel_type)
1177 struct ieee80211_local *local = wiphy_priv(wiphy);
1178 struct ieee80211_sub_if_data *sdata = NULL;
1181 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1183 switch (ieee80211_get_channel_mode(local, NULL)) {
1184 case CHAN_MODE_HOPPING:
1186 case CHAN_MODE_FIXED:
1187 if (local->oper_channel != chan)
1189 if (!sdata && local->_oper_channel_type == channel_type)
1192 case CHAN_MODE_UNDEFINED:
1196 local->oper_channel = chan;
1198 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1201 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1202 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
1203 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1209 static int ieee80211_suspend(struct wiphy *wiphy)
1211 return __ieee80211_suspend(wiphy_priv(wiphy));
1214 static int ieee80211_resume(struct wiphy *wiphy)
1216 return __ieee80211_resume(wiphy_priv(wiphy));
1219 #define ieee80211_suspend NULL
1220 #define ieee80211_resume NULL
1223 static int ieee80211_scan(struct wiphy *wiphy,
1224 struct net_device *dev,
1225 struct cfg80211_scan_request *req)
1227 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1229 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1230 case NL80211_IFTYPE_STATION:
1231 case NL80211_IFTYPE_ADHOC:
1232 case NL80211_IFTYPE_MESH_POINT:
1233 case NL80211_IFTYPE_P2P_CLIENT:
1235 case NL80211_IFTYPE_P2P_GO:
1236 if (sdata->local->ops->hw_scan)
1238 /* FIXME: implement NoA while scanning in software */
1240 case NL80211_IFTYPE_AP:
1241 if (sdata->u.ap.beacon)
1248 return ieee80211_request_scan(sdata, req);
1251 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1252 struct cfg80211_auth_request *req)
1254 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1257 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1258 struct cfg80211_assoc_request *req)
1260 struct ieee80211_local *local = wiphy_priv(wiphy);
1261 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1263 switch (ieee80211_get_channel_mode(local, sdata)) {
1264 case CHAN_MODE_HOPPING:
1266 case CHAN_MODE_FIXED:
1267 if (local->oper_channel == req->bss->channel)
1270 case CHAN_MODE_UNDEFINED:
1274 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1277 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1278 struct cfg80211_deauth_request *req,
1281 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1285 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1286 struct cfg80211_disassoc_request *req,
1289 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1293 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1294 struct cfg80211_ibss_params *params)
1296 struct ieee80211_local *local = wiphy_priv(wiphy);
1297 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1299 switch (ieee80211_get_channel_mode(local, sdata)) {
1300 case CHAN_MODE_HOPPING:
1302 case CHAN_MODE_FIXED:
1303 if (!params->channel_fixed)
1305 if (local->oper_channel == params->channel)
1308 case CHAN_MODE_UNDEFINED:
1312 return ieee80211_ibss_join(sdata, params);
1315 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1317 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1319 return ieee80211_ibss_leave(sdata);
1322 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1324 struct ieee80211_local *local = wiphy_priv(wiphy);
1327 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1328 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1334 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1335 err = drv_set_coverage_class(local, wiphy->coverage_class);
1341 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1342 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1348 if (changed & WIPHY_PARAM_RETRY_SHORT)
1349 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1350 if (changed & WIPHY_PARAM_RETRY_LONG)
1351 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1353 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1354 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1359 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1360 enum nl80211_tx_power_setting type, int mbm)
1362 struct ieee80211_local *local = wiphy_priv(wiphy);
1363 struct ieee80211_channel *chan = local->hw.conf.channel;
1367 case NL80211_TX_POWER_AUTOMATIC:
1368 local->user_power_level = -1;
1370 case NL80211_TX_POWER_LIMITED:
1371 if (mbm < 0 || (mbm % 100))
1373 local->user_power_level = MBM_TO_DBM(mbm);
1375 case NL80211_TX_POWER_FIXED:
1376 if (mbm < 0 || (mbm % 100))
1378 /* TODO: move to cfg80211 when it knows the channel */
1379 if (MBM_TO_DBM(mbm) > chan->max_power)
1381 local->user_power_level = MBM_TO_DBM(mbm);
1385 ieee80211_hw_config(local, changes);
1390 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1392 struct ieee80211_local *local = wiphy_priv(wiphy);
1394 *dbm = local->hw.conf.power_level;
1399 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1402 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1404 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1409 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1411 struct ieee80211_local *local = wiphy_priv(wiphy);
1413 drv_rfkill_poll(local);
1416 #ifdef CONFIG_NL80211_TESTMODE
1417 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1419 struct ieee80211_local *local = wiphy_priv(wiphy);
1421 if (!local->ops->testmode_cmd)
1424 return local->ops->testmode_cmd(&local->hw, data, len);
1428 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1429 enum ieee80211_smps_mode smps_mode)
1432 enum ieee80211_smps_mode old_req;
1435 old_req = sdata->u.mgd.req_smps;
1436 sdata->u.mgd.req_smps = smps_mode;
1438 if (old_req == smps_mode &&
1439 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1443 * If not associated, or current association is not an HT
1444 * association, there's no need to send an action frame.
1446 if (!sdata->u.mgd.associated ||
1447 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1448 mutex_lock(&sdata->local->iflist_mtx);
1449 ieee80211_recalc_smps(sdata->local);
1450 mutex_unlock(&sdata->local->iflist_mtx);
1454 ap = sdata->u.mgd.associated->bssid;
1456 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1457 if (sdata->u.mgd.powersave)
1458 smps_mode = IEEE80211_SMPS_DYNAMIC;
1460 smps_mode = IEEE80211_SMPS_OFF;
1463 /* send SM PS frame to AP */
1464 err = ieee80211_send_smps_action(sdata, smps_mode,
1467 sdata->u.mgd.req_smps = old_req;
1472 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1473 bool enabled, int timeout)
1475 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1476 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1478 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1481 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1484 if (enabled == sdata->u.mgd.powersave &&
1485 timeout == local->dynamic_ps_forced_timeout)
1488 sdata->u.mgd.powersave = enabled;
1489 local->dynamic_ps_forced_timeout = timeout;
1491 /* no change, but if automatic follow powersave */
1492 mutex_lock(&sdata->u.mgd.mtx);
1493 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1494 mutex_unlock(&sdata->u.mgd.mtx);
1496 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1497 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1499 ieee80211_recalc_ps(local, -1);
1504 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1505 struct net_device *dev,
1506 s32 rssi_thold, u32 rssi_hyst)
1508 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1509 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1510 struct ieee80211_vif *vif = &sdata->vif;
1511 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1513 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1514 rssi_hyst == bss_conf->cqm_rssi_hyst)
1517 bss_conf->cqm_rssi_thold = rssi_thold;
1518 bss_conf->cqm_rssi_hyst = rssi_hyst;
1520 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1521 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1526 /* tell the driver upon association, unless already associated */
1527 if (sdata->u.mgd.associated)
1528 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1533 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1534 struct net_device *dev,
1536 const struct cfg80211_bitrate_mask *mask)
1538 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1539 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1543 * This _could_ be supported by providing a hook for
1544 * drivers for this function, but at this point it
1545 * doesn't seem worth bothering.
1547 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1551 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1552 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1557 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1558 struct net_device *dev,
1559 struct ieee80211_channel *chan,
1560 enum nl80211_channel_type channel_type,
1561 unsigned int duration,
1564 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1566 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1570 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1571 struct net_device *dev,
1574 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1576 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1579 static enum work_done_result
1580 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1583 * Use the data embedded in the work struct for reporting
1584 * here so if the driver mangled the SKB before dropping
1585 * it (which is the only way we really should get here)
1586 * then we don't report mangled data.
1588 * If there was no wait time, then by the time we get here
1589 * the driver will likely not have reported the status yet,
1590 * so in that case userspace will have to deal with it.
1593 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1594 cfg80211_mgmt_tx_status(wk->sdata->dev,
1595 (unsigned long) wk->offchan_tx.frame,
1596 wk->ie, wk->ie_len, false, GFP_KERNEL);
1598 return WORK_DONE_DESTROY;
1601 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
1602 struct ieee80211_channel *chan, bool offchan,
1603 enum nl80211_channel_type channel_type,
1604 bool channel_type_valid, unsigned int wait,
1605 const u8 *buf, size_t len, u64 *cookie)
1607 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1608 struct ieee80211_local *local = sdata->local;
1609 struct sk_buff *skb;
1610 struct sta_info *sta;
1611 struct ieee80211_work *wk;
1612 const struct ieee80211_mgmt *mgmt = (void *)buf;
1613 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1614 IEEE80211_TX_CTL_REQ_TX_STATUS;
1615 bool is_offchan = false;
1617 /* Check that we are on the requested channel for transmission */
1618 if (chan != local->tmp_channel &&
1619 chan != local->oper_channel)
1621 if (channel_type_valid &&
1622 (channel_type != local->tmp_channel_type &&
1623 channel_type != local->_oper_channel_type))
1626 if (is_offchan && !offchan)
1629 switch (sdata->vif.type) {
1630 case NL80211_IFTYPE_ADHOC:
1631 case NL80211_IFTYPE_AP:
1632 case NL80211_IFTYPE_AP_VLAN:
1633 case NL80211_IFTYPE_P2P_GO:
1634 if (!ieee80211_is_action(mgmt->frame_control) ||
1635 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
1638 sta = sta_info_get(sdata, mgmt->da);
1643 case NL80211_IFTYPE_STATION:
1644 case NL80211_IFTYPE_P2P_CLIENT:
1650 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1653 skb_reserve(skb, local->hw.extra_tx_headroom);
1655 memcpy(skb_put(skb, len), buf, len);
1657 IEEE80211_SKB_CB(skb)->flags = flags;
1659 skb->dev = sdata->dev;
1661 *cookie = (unsigned long) skb;
1664 * Can transmit right away if the channel was the
1665 * right one and there's no wait involved... If a
1666 * wait is involved, we might otherwise not be on
1667 * the right channel for long enough!
1669 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1670 ieee80211_tx_skb(sdata, skb);
1674 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1680 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1683 wk->done = ieee80211_offchan_tx_done;
1684 wk->offchan_tx.frame = skb;
1685 wk->offchan_tx.wait = wait;
1687 memcpy(wk->ie, buf, len);
1689 ieee80211_add_work(wk);
1693 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1694 struct net_device *dev,
1697 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1698 struct ieee80211_local *local = sdata->local;
1699 struct ieee80211_work *wk;
1702 mutex_lock(&local->mtx);
1703 list_for_each_entry(wk, &local->work_list, list) {
1704 if (wk->sdata != sdata)
1707 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
1710 if (cookie != (unsigned long) wk->offchan_tx.frame)
1713 wk->timeout = jiffies;
1715 ieee80211_queue_work(&local->hw, &local->work_work);
1719 mutex_unlock(&local->mtx);
1724 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
1725 struct net_device *dev,
1726 u16 frame_type, bool reg)
1728 struct ieee80211_local *local = wiphy_priv(wiphy);
1730 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
1734 local->probe_req_reg++;
1736 local->probe_req_reg--;
1738 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
1741 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1743 struct ieee80211_local *local = wiphy_priv(wiphy);
1748 return drv_set_antenna(local, tx_ant, rx_ant);
1751 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1753 struct ieee80211_local *local = wiphy_priv(wiphy);
1755 return drv_get_antenna(local, tx_ant, rx_ant);
1758 struct cfg80211_ops mac80211_config_ops = {
1759 .add_virtual_intf = ieee80211_add_iface,
1760 .del_virtual_intf = ieee80211_del_iface,
1761 .change_virtual_intf = ieee80211_change_iface,
1762 .add_key = ieee80211_add_key,
1763 .del_key = ieee80211_del_key,
1764 .get_key = ieee80211_get_key,
1765 .set_default_key = ieee80211_config_default_key,
1766 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1767 .add_beacon = ieee80211_add_beacon,
1768 .set_beacon = ieee80211_set_beacon,
1769 .del_beacon = ieee80211_del_beacon,
1770 .add_station = ieee80211_add_station,
1771 .del_station = ieee80211_del_station,
1772 .change_station = ieee80211_change_station,
1773 .get_station = ieee80211_get_station,
1774 .dump_station = ieee80211_dump_station,
1775 .dump_survey = ieee80211_dump_survey,
1776 #ifdef CONFIG_MAC80211_MESH
1777 .add_mpath = ieee80211_add_mpath,
1778 .del_mpath = ieee80211_del_mpath,
1779 .change_mpath = ieee80211_change_mpath,
1780 .get_mpath = ieee80211_get_mpath,
1781 .dump_mpath = ieee80211_dump_mpath,
1782 .update_mesh_params = ieee80211_update_mesh_params,
1783 .get_mesh_params = ieee80211_get_mesh_params,
1784 .join_mesh = ieee80211_join_mesh,
1785 .leave_mesh = ieee80211_leave_mesh,
1787 .change_bss = ieee80211_change_bss,
1788 .set_txq_params = ieee80211_set_txq_params,
1789 .set_channel = ieee80211_set_channel,
1790 .suspend = ieee80211_suspend,
1791 .resume = ieee80211_resume,
1792 .scan = ieee80211_scan,
1793 .auth = ieee80211_auth,
1794 .assoc = ieee80211_assoc,
1795 .deauth = ieee80211_deauth,
1796 .disassoc = ieee80211_disassoc,
1797 .join_ibss = ieee80211_join_ibss,
1798 .leave_ibss = ieee80211_leave_ibss,
1799 .set_wiphy_params = ieee80211_set_wiphy_params,
1800 .set_tx_power = ieee80211_set_tx_power,
1801 .get_tx_power = ieee80211_get_tx_power,
1802 .set_wds_peer = ieee80211_set_wds_peer,
1803 .rfkill_poll = ieee80211_rfkill_poll,
1804 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1805 .set_power_mgmt = ieee80211_set_power_mgmt,
1806 .set_bitrate_mask = ieee80211_set_bitrate_mask,
1807 .remain_on_channel = ieee80211_remain_on_channel,
1808 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
1809 .mgmt_tx = ieee80211_mgmt_tx,
1810 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
1811 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
1812 .mgmt_frame_register = ieee80211_mgmt_frame_register,
1813 .set_antenna = ieee80211_set_antenna,
1814 .get_antenna = ieee80211_get_antenna,