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,
298 u8 key_idx, bool uni,
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 | STATION_INFO_SIGNAL_AVG;
347 sinfo->signal = (s8)sta->last_signal;
348 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
351 sinfo->txrate.flags = 0;
352 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
353 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
354 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
355 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
356 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
357 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
359 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
360 struct ieee80211_supported_band *sband;
361 sband = sta->local->hw.wiphy->bands[
362 sta->local->hw.conf.channel->band];
363 sinfo->txrate.legacy =
364 sband->bitrates[sta->last_tx_rate.idx].bitrate;
366 sinfo->txrate.mcs = sta->last_tx_rate.idx;
368 if (ieee80211_vif_is_mesh(&sdata->vif)) {
369 #ifdef CONFIG_MAC80211_MESH
370 sinfo->filled |= STATION_INFO_LLID |
372 STATION_INFO_PLINK_STATE;
374 sinfo->llid = le16_to_cpu(sta->llid);
375 sinfo->plid = le16_to_cpu(sta->plid);
376 sinfo->plink_state = sta->plink_state;
382 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
383 int idx, u8 *mac, struct station_info *sinfo)
385 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
386 struct sta_info *sta;
391 sta = sta_info_get_by_idx(sdata, idx);
394 memcpy(mac, sta->sta.addr, ETH_ALEN);
395 sta_set_sinfo(sta, sinfo);
403 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
404 int idx, struct survey_info *survey)
406 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
408 return drv_get_survey(local, idx, survey);
411 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
412 u8 *mac, struct station_info *sinfo)
414 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
415 struct sta_info *sta;
420 sta = sta_info_get_bss(sdata, mac);
423 sta_set_sinfo(sta, sinfo);
432 * This handles both adding a beacon and setting new beacon info
434 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
435 struct beacon_parameters *params)
437 struct beacon_data *new, *old;
438 int new_head_len, new_tail_len;
442 old = sdata->u.ap.beacon;
444 /* head must not be zero-length */
445 if (params->head && !params->head_len)
449 * This is a kludge. beacon interval should really be part
450 * of the beacon information.
452 if (params->interval &&
453 (sdata->vif.bss_conf.beacon_int != params->interval)) {
454 sdata->vif.bss_conf.beacon_int = params->interval;
455 ieee80211_bss_info_change_notify(sdata,
456 BSS_CHANGED_BEACON_INT);
459 /* Need to have a beacon head if we don't have one yet */
460 if (!params->head && !old)
463 /* sorry, no way to start beaconing without dtim period */
464 if (!params->dtim_period && !old)
467 /* new or old head? */
469 new_head_len = params->head_len;
471 new_head_len = old->head_len;
473 /* new or old tail? */
474 if (params->tail || !old)
475 /* params->tail_len will be zero for !params->tail */
476 new_tail_len = params->tail_len;
478 new_tail_len = old->tail_len;
480 size = sizeof(*new) + new_head_len + new_tail_len;
482 new = kzalloc(size, GFP_KERNEL);
486 /* start filling the new info now */
488 /* new or old dtim period? */
489 if (params->dtim_period)
490 new->dtim_period = params->dtim_period;
492 new->dtim_period = old->dtim_period;
495 * pointers go into the block we allocated,
496 * memory is | beacon_data | head | tail |
498 new->head = ((u8 *) new) + sizeof(*new);
499 new->tail = new->head + new_head_len;
500 new->head_len = new_head_len;
501 new->tail_len = new_tail_len;
505 memcpy(new->head, params->head, new_head_len);
507 memcpy(new->head, old->head, new_head_len);
509 /* copy in optional tail */
511 memcpy(new->tail, params->tail, new_tail_len);
514 memcpy(new->tail, old->tail, new_tail_len);
516 sdata->vif.bss_conf.dtim_period = new->dtim_period;
518 rcu_assign_pointer(sdata->u.ap.beacon, new);
524 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
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;
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;
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;
573 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
577 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
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 */
592 static void ieee80211_send_layer2_update(struct sta_info *sta)
594 struct iapp_layer2_update *msg;
597 /* Send Level 2 Update Frame to update forwarding tables in layer 2
600 skb = dev_alloc_skb(sizeof(*msg));
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);
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));
625 static void sta_apply_parameters(struct ieee80211_local *local,
626 struct sta_info *sta,
627 struct station_parameters *params)
632 struct ieee80211_supported_band *sband;
633 struct ieee80211_sub_if_data *sdata = sta->sdata;
636 sband = local->hw.wiphy->bands[local->oper_channel->band];
638 spin_lock_irqsave(&sta->flaglock, flags);
639 mask = params->sta_flags_mask;
640 set = params->sta_flags_set;
642 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
643 sta->flags &= ~WLAN_STA_AUTHORIZED;
644 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
645 sta->flags |= WLAN_STA_AUTHORIZED;
648 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
649 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
650 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
651 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
654 if (mask & BIT(NL80211_STA_FLAG_WME)) {
655 sta->flags &= ~WLAN_STA_WME;
656 if (set & BIT(NL80211_STA_FLAG_WME))
657 sta->flags |= WLAN_STA_WME;
660 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
661 sta->flags &= ~WLAN_STA_MFP;
662 if (set & BIT(NL80211_STA_FLAG_MFP))
663 sta->flags |= WLAN_STA_MFP;
665 spin_unlock_irqrestore(&sta->flaglock, flags);
668 * cfg80211 validates this (1-2007) and allows setting the AID
669 * only when creating a new station entry
672 sta->sta.aid = params->aid;
675 * FIXME: updating the following information is racy when this
676 * function is called from ieee80211_change_station().
677 * However, all this information should be static so
678 * maybe we should just reject attemps to change it.
681 if (params->listen_interval >= 0)
682 sta->listen_interval = params->listen_interval;
684 if (params->supported_rates) {
687 for (i = 0; i < params->supported_rates_len; i++) {
688 int rate = (params->supported_rates[i] & 0x7f) * 5;
689 for (j = 0; j < sband->n_bitrates; j++) {
690 if (sband->bitrates[j].bitrate == rate)
694 sta->sta.supp_rates[local->oper_channel->band] = rates;
698 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
702 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
703 switch (params->plink_action) {
704 case PLINK_ACTION_OPEN:
705 mesh_plink_open(sta);
707 case PLINK_ACTION_BLOCK:
708 mesh_plink_block(sta);
714 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
715 u8 *mac, struct station_parameters *params)
717 struct ieee80211_local *local = wiphy_priv(wiphy);
718 struct sta_info *sta;
719 struct ieee80211_sub_if_data *sdata;
724 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
726 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
727 sdata->vif.type != NL80211_IFTYPE_AP)
730 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
732 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
735 if (is_multicast_ether_addr(mac))
738 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
742 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
744 sta_apply_parameters(local, sta, params);
746 rate_control_rate_init(sta);
748 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
749 sdata->vif.type == NL80211_IFTYPE_AP;
751 err = sta_info_insert_rcu(sta);
758 ieee80211_send_layer2_update(sta);
765 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
768 struct ieee80211_local *local = wiphy_priv(wiphy);
769 struct ieee80211_sub_if_data *sdata;
771 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
774 return sta_info_destroy_addr_bss(sdata, mac);
776 sta_info_flush(local, sdata);
780 static int ieee80211_change_station(struct wiphy *wiphy,
781 struct net_device *dev,
783 struct station_parameters *params)
785 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
786 struct ieee80211_local *local = wiphy_priv(wiphy);
787 struct sta_info *sta;
788 struct ieee80211_sub_if_data *vlansdata;
792 sta = sta_info_get_bss(sdata, mac);
798 if (params->vlan && params->vlan != sta->sdata->dev) {
799 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
801 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
802 vlansdata->vif.type != NL80211_IFTYPE_AP) {
807 if (params->vlan->ieee80211_ptr->use_4addr) {
808 if (vlansdata->u.vlan.sta) {
813 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
816 sta->sdata = vlansdata;
817 ieee80211_send_layer2_update(sta);
820 sta_apply_parameters(local, sta, params);
827 #ifdef CONFIG_MAC80211_MESH
828 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
829 u8 *dst, u8 *next_hop)
831 struct ieee80211_sub_if_data *sdata;
832 struct mesh_path *mpath;
833 struct sta_info *sta;
836 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
839 sta = sta_info_get(sdata, next_hop);
845 err = mesh_path_add(dst, sdata);
851 mpath = mesh_path_lookup(dst, sdata);
856 mesh_path_fix_nexthop(mpath, sta);
862 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
865 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
868 return mesh_path_del(dst, sdata);
870 mesh_path_flush(sdata);
874 static int ieee80211_change_mpath(struct wiphy *wiphy,
875 struct net_device *dev,
876 u8 *dst, u8 *next_hop)
878 struct ieee80211_sub_if_data *sdata;
879 struct mesh_path *mpath;
880 struct sta_info *sta;
882 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
886 sta = sta_info_get(sdata, next_hop);
892 mpath = mesh_path_lookup(dst, sdata);
898 mesh_path_fix_nexthop(mpath, sta);
904 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
905 struct mpath_info *pinfo)
908 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
910 memset(next_hop, 0, ETH_ALEN);
912 pinfo->generation = mesh_paths_generation;
914 pinfo->filled = MPATH_INFO_FRAME_QLEN |
918 MPATH_INFO_DISCOVERY_TIMEOUT |
919 MPATH_INFO_DISCOVERY_RETRIES |
922 pinfo->frame_qlen = mpath->frame_queue.qlen;
923 pinfo->sn = mpath->sn;
924 pinfo->metric = mpath->metric;
925 if (time_before(jiffies, mpath->exp_time))
926 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
927 pinfo->discovery_timeout =
928 jiffies_to_msecs(mpath->discovery_timeout);
929 pinfo->discovery_retries = mpath->discovery_retries;
931 if (mpath->flags & MESH_PATH_ACTIVE)
932 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
933 if (mpath->flags & MESH_PATH_RESOLVING)
934 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
935 if (mpath->flags & MESH_PATH_SN_VALID)
936 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
937 if (mpath->flags & MESH_PATH_FIXED)
938 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
939 if (mpath->flags & MESH_PATH_RESOLVING)
940 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
942 pinfo->flags = mpath->flags;
945 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
946 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
949 struct ieee80211_sub_if_data *sdata;
950 struct mesh_path *mpath;
952 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
955 mpath = mesh_path_lookup(dst, sdata);
960 memcpy(dst, mpath->dst, ETH_ALEN);
961 mpath_set_pinfo(mpath, next_hop, pinfo);
966 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
967 int idx, u8 *dst, u8 *next_hop,
968 struct mpath_info *pinfo)
970 struct ieee80211_sub_if_data *sdata;
971 struct mesh_path *mpath;
973 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
976 mpath = mesh_path_lookup_by_idx(idx, sdata);
981 memcpy(dst, mpath->dst, ETH_ALEN);
982 mpath_set_pinfo(mpath, next_hop, pinfo);
987 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
988 struct net_device *dev,
989 struct mesh_config *conf)
991 struct ieee80211_sub_if_data *sdata;
992 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
994 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
998 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1000 return (mask >> (parm-1)) & 0x1;
1003 static int ieee80211_update_mesh_params(struct wiphy *wiphy,
1004 struct net_device *dev, u32 mask,
1005 const struct mesh_config *nconf)
1007 struct mesh_config *conf;
1008 struct ieee80211_sub_if_data *sdata;
1009 struct ieee80211_if_mesh *ifmsh;
1011 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1012 ifmsh = &sdata->u.mesh;
1014 /* Set the config options which we are interested in setting */
1015 conf = &(sdata->u.mesh.mshcfg);
1016 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1017 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1018 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1019 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1020 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1021 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1022 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1023 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1024 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1025 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1026 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1027 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1028 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1029 conf->dot11MeshTTL = nconf->element_ttl;
1030 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1031 conf->auto_open_plinks = nconf->auto_open_plinks;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1033 conf->dot11MeshHWMPmaxPREQretries =
1034 nconf->dot11MeshHWMPmaxPREQretries;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1036 conf->path_refresh_time = nconf->path_refresh_time;
1037 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1038 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1039 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1040 conf->dot11MeshHWMPactivePathTimeout =
1041 nconf->dot11MeshHWMPactivePathTimeout;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1043 conf->dot11MeshHWMPpreqMinInterval =
1044 nconf->dot11MeshHWMPpreqMinInterval;
1045 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1047 conf->dot11MeshHWMPnetDiameterTraversalTime =
1048 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1050 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1051 ieee80211_mesh_root_setup(ifmsh);
1056 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1057 const struct mesh_config *conf,
1058 const struct mesh_setup *setup)
1060 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1061 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1063 memcpy(&sdata->u.mesh.mshcfg, conf, sizeof(struct mesh_config));
1064 ifmsh->mesh_id_len = setup->mesh_id_len;
1065 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1067 ieee80211_start_mesh(sdata);
1072 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1074 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1076 ieee80211_stop_mesh(sdata);
1082 static int ieee80211_change_bss(struct wiphy *wiphy,
1083 struct net_device *dev,
1084 struct bss_parameters *params)
1086 struct ieee80211_sub_if_data *sdata;
1089 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1091 if (params->use_cts_prot >= 0) {
1092 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1093 changed |= BSS_CHANGED_ERP_CTS_PROT;
1095 if (params->use_short_preamble >= 0) {
1096 sdata->vif.bss_conf.use_short_preamble =
1097 params->use_short_preamble;
1098 changed |= BSS_CHANGED_ERP_PREAMBLE;
1101 if (!sdata->vif.bss_conf.use_short_slot &&
1102 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1103 sdata->vif.bss_conf.use_short_slot = true;
1104 changed |= BSS_CHANGED_ERP_SLOT;
1107 if (params->use_short_slot_time >= 0) {
1108 sdata->vif.bss_conf.use_short_slot =
1109 params->use_short_slot_time;
1110 changed |= BSS_CHANGED_ERP_SLOT;
1113 if (params->basic_rates) {
1116 struct ieee80211_local *local = wiphy_priv(wiphy);
1117 struct ieee80211_supported_band *sband =
1118 wiphy->bands[local->oper_channel->band];
1120 for (i = 0; i < params->basic_rates_len; i++) {
1121 int rate = (params->basic_rates[i] & 0x7f) * 5;
1122 for (j = 0; j < sband->n_bitrates; j++) {
1123 if (sband->bitrates[j].bitrate == rate)
1127 sdata->vif.bss_conf.basic_rates = rates;
1128 changed |= BSS_CHANGED_BASIC_RATES;
1131 if (params->ap_isolate >= 0) {
1132 if (params->ap_isolate)
1133 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1135 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1138 if (params->ht_opmode >= 0) {
1139 sdata->vif.bss_conf.ht_operation_mode =
1140 (u16) params->ht_opmode;
1141 changed |= BSS_CHANGED_HT;
1144 ieee80211_bss_info_change_notify(sdata, changed);
1149 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1150 struct ieee80211_txq_params *params)
1152 struct ieee80211_local *local = wiphy_priv(wiphy);
1153 struct ieee80211_tx_queue_params p;
1155 if (!local->ops->conf_tx)
1158 memset(&p, 0, sizeof(p));
1159 p.aifs = params->aifs;
1160 p.cw_max = params->cwmax;
1161 p.cw_min = params->cwmin;
1162 p.txop = params->txop;
1165 * Setting tx queue params disables u-apsd because it's only
1166 * called in master mode.
1170 if (drv_conf_tx(local, params->queue, &p)) {
1171 wiphy_debug(local->hw.wiphy,
1172 "failed to set TX queue parameters for queue %d\n",
1180 static int ieee80211_set_channel(struct wiphy *wiphy,
1181 struct net_device *netdev,
1182 struct ieee80211_channel *chan,
1183 enum nl80211_channel_type channel_type)
1185 struct ieee80211_local *local = wiphy_priv(wiphy);
1186 struct ieee80211_sub_if_data *sdata = NULL;
1189 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1191 switch (ieee80211_get_channel_mode(local, NULL)) {
1192 case CHAN_MODE_HOPPING:
1194 case CHAN_MODE_FIXED:
1195 if (local->oper_channel != chan)
1197 if (!sdata && local->_oper_channel_type == channel_type)
1200 case CHAN_MODE_UNDEFINED:
1204 local->oper_channel = chan;
1206 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1209 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1210 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
1211 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1217 static int ieee80211_suspend(struct wiphy *wiphy)
1219 return __ieee80211_suspend(wiphy_priv(wiphy));
1222 static int ieee80211_resume(struct wiphy *wiphy)
1224 return __ieee80211_resume(wiphy_priv(wiphy));
1227 #define ieee80211_suspend NULL
1228 #define ieee80211_resume NULL
1231 static int ieee80211_scan(struct wiphy *wiphy,
1232 struct net_device *dev,
1233 struct cfg80211_scan_request *req)
1235 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1237 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1238 case NL80211_IFTYPE_STATION:
1239 case NL80211_IFTYPE_ADHOC:
1240 case NL80211_IFTYPE_MESH_POINT:
1241 case NL80211_IFTYPE_P2P_CLIENT:
1243 case NL80211_IFTYPE_P2P_GO:
1244 if (sdata->local->ops->hw_scan)
1246 /* FIXME: implement NoA while scanning in software */
1248 case NL80211_IFTYPE_AP:
1249 if (sdata->u.ap.beacon)
1256 return ieee80211_request_scan(sdata, req);
1259 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1260 struct cfg80211_auth_request *req)
1262 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1265 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1266 struct cfg80211_assoc_request *req)
1268 struct ieee80211_local *local = wiphy_priv(wiphy);
1269 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1271 switch (ieee80211_get_channel_mode(local, sdata)) {
1272 case CHAN_MODE_HOPPING:
1274 case CHAN_MODE_FIXED:
1275 if (local->oper_channel == req->bss->channel)
1278 case CHAN_MODE_UNDEFINED:
1282 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1285 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1286 struct cfg80211_deauth_request *req,
1289 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1293 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1294 struct cfg80211_disassoc_request *req,
1297 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1301 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1302 struct cfg80211_ibss_params *params)
1304 struct ieee80211_local *local = wiphy_priv(wiphy);
1305 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1307 switch (ieee80211_get_channel_mode(local, sdata)) {
1308 case CHAN_MODE_HOPPING:
1310 case CHAN_MODE_FIXED:
1311 if (!params->channel_fixed)
1313 if (local->oper_channel == params->channel)
1316 case CHAN_MODE_UNDEFINED:
1320 return ieee80211_ibss_join(sdata, params);
1323 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1325 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1327 return ieee80211_ibss_leave(sdata);
1330 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1332 struct ieee80211_local *local = wiphy_priv(wiphy);
1335 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1336 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1342 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1343 err = drv_set_coverage_class(local, wiphy->coverage_class);
1349 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1350 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1356 if (changed & WIPHY_PARAM_RETRY_SHORT)
1357 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1358 if (changed & WIPHY_PARAM_RETRY_LONG)
1359 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1361 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1362 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1367 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1368 enum nl80211_tx_power_setting type, int mbm)
1370 struct ieee80211_local *local = wiphy_priv(wiphy);
1371 struct ieee80211_channel *chan = local->hw.conf.channel;
1375 case NL80211_TX_POWER_AUTOMATIC:
1376 local->user_power_level = -1;
1378 case NL80211_TX_POWER_LIMITED:
1379 if (mbm < 0 || (mbm % 100))
1381 local->user_power_level = MBM_TO_DBM(mbm);
1383 case NL80211_TX_POWER_FIXED:
1384 if (mbm < 0 || (mbm % 100))
1386 /* TODO: move to cfg80211 when it knows the channel */
1387 if (MBM_TO_DBM(mbm) > chan->max_power)
1389 local->user_power_level = MBM_TO_DBM(mbm);
1393 ieee80211_hw_config(local, changes);
1398 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1400 struct ieee80211_local *local = wiphy_priv(wiphy);
1402 *dbm = local->hw.conf.power_level;
1407 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1410 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1412 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1417 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1419 struct ieee80211_local *local = wiphy_priv(wiphy);
1421 drv_rfkill_poll(local);
1424 #ifdef CONFIG_NL80211_TESTMODE
1425 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1427 struct ieee80211_local *local = wiphy_priv(wiphy);
1429 if (!local->ops->testmode_cmd)
1432 return local->ops->testmode_cmd(&local->hw, data, len);
1436 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1437 enum ieee80211_smps_mode smps_mode)
1440 enum ieee80211_smps_mode old_req;
1443 old_req = sdata->u.mgd.req_smps;
1444 sdata->u.mgd.req_smps = smps_mode;
1446 if (old_req == smps_mode &&
1447 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1451 * If not associated, or current association is not an HT
1452 * association, there's no need to send an action frame.
1454 if (!sdata->u.mgd.associated ||
1455 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1456 mutex_lock(&sdata->local->iflist_mtx);
1457 ieee80211_recalc_smps(sdata->local);
1458 mutex_unlock(&sdata->local->iflist_mtx);
1462 ap = sdata->u.mgd.associated->bssid;
1464 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1465 if (sdata->u.mgd.powersave)
1466 smps_mode = IEEE80211_SMPS_DYNAMIC;
1468 smps_mode = IEEE80211_SMPS_OFF;
1471 /* send SM PS frame to AP */
1472 err = ieee80211_send_smps_action(sdata, smps_mode,
1475 sdata->u.mgd.req_smps = old_req;
1480 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1481 bool enabled, int timeout)
1483 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1484 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1486 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1489 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1492 if (enabled == sdata->u.mgd.powersave &&
1493 timeout == local->dynamic_ps_forced_timeout)
1496 sdata->u.mgd.powersave = enabled;
1497 local->dynamic_ps_forced_timeout = timeout;
1499 /* no change, but if automatic follow powersave */
1500 mutex_lock(&sdata->u.mgd.mtx);
1501 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1502 mutex_unlock(&sdata->u.mgd.mtx);
1504 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1505 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1507 ieee80211_recalc_ps(local, -1);
1512 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1513 struct net_device *dev,
1514 s32 rssi_thold, u32 rssi_hyst)
1516 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1517 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1518 struct ieee80211_vif *vif = &sdata->vif;
1519 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1521 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1522 rssi_hyst == bss_conf->cqm_rssi_hyst)
1525 bss_conf->cqm_rssi_thold = rssi_thold;
1526 bss_conf->cqm_rssi_hyst = rssi_hyst;
1528 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1529 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1534 /* tell the driver upon association, unless already associated */
1535 if (sdata->u.mgd.associated)
1536 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1541 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1542 struct net_device *dev,
1544 const struct cfg80211_bitrate_mask *mask)
1546 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1547 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1551 * This _could_ be supported by providing a hook for
1552 * drivers for this function, but at this point it
1553 * doesn't seem worth bothering.
1555 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1559 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1560 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1565 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1566 struct net_device *dev,
1567 struct ieee80211_channel *chan,
1568 enum nl80211_channel_type channel_type,
1569 unsigned int duration,
1572 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1574 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1578 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1579 struct net_device *dev,
1582 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1584 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1587 static enum work_done_result
1588 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1591 * Use the data embedded in the work struct for reporting
1592 * here so if the driver mangled the SKB before dropping
1593 * it (which is the only way we really should get here)
1594 * then we don't report mangled data.
1596 * If there was no wait time, then by the time we get here
1597 * the driver will likely not have reported the status yet,
1598 * so in that case userspace will have to deal with it.
1601 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1602 cfg80211_mgmt_tx_status(wk->sdata->dev,
1603 (unsigned long) wk->offchan_tx.frame,
1604 wk->ie, wk->ie_len, false, GFP_KERNEL);
1606 return WORK_DONE_DESTROY;
1609 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
1610 struct ieee80211_channel *chan, bool offchan,
1611 enum nl80211_channel_type channel_type,
1612 bool channel_type_valid, unsigned int wait,
1613 const u8 *buf, size_t len, u64 *cookie)
1615 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1616 struct ieee80211_local *local = sdata->local;
1617 struct sk_buff *skb;
1618 struct sta_info *sta;
1619 struct ieee80211_work *wk;
1620 const struct ieee80211_mgmt *mgmt = (void *)buf;
1621 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1622 IEEE80211_TX_CTL_REQ_TX_STATUS;
1623 bool is_offchan = false;
1625 /* Check that we are on the requested channel for transmission */
1626 if (chan != local->tmp_channel &&
1627 chan != local->oper_channel)
1629 if (channel_type_valid &&
1630 (channel_type != local->tmp_channel_type &&
1631 channel_type != local->_oper_channel_type))
1634 if (is_offchan && !offchan)
1637 switch (sdata->vif.type) {
1638 case NL80211_IFTYPE_ADHOC:
1639 case NL80211_IFTYPE_AP:
1640 case NL80211_IFTYPE_AP_VLAN:
1641 case NL80211_IFTYPE_P2P_GO:
1642 if (!ieee80211_is_action(mgmt->frame_control) ||
1643 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
1646 sta = sta_info_get(sdata, mgmt->da);
1651 case NL80211_IFTYPE_STATION:
1652 case NL80211_IFTYPE_P2P_CLIENT:
1658 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1661 skb_reserve(skb, local->hw.extra_tx_headroom);
1663 memcpy(skb_put(skb, len), buf, len);
1665 IEEE80211_SKB_CB(skb)->flags = flags;
1667 skb->dev = sdata->dev;
1669 *cookie = (unsigned long) skb;
1672 * Can transmit right away if the channel was the
1673 * right one and there's no wait involved... If a
1674 * wait is involved, we might otherwise not be on
1675 * the right channel for long enough!
1677 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1678 ieee80211_tx_skb(sdata, skb);
1682 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1688 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1691 wk->done = ieee80211_offchan_tx_done;
1692 wk->offchan_tx.frame = skb;
1693 wk->offchan_tx.wait = wait;
1695 memcpy(wk->ie, buf, len);
1697 ieee80211_add_work(wk);
1701 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1702 struct net_device *dev,
1705 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1706 struct ieee80211_local *local = sdata->local;
1707 struct ieee80211_work *wk;
1710 mutex_lock(&local->mtx);
1711 list_for_each_entry(wk, &local->work_list, list) {
1712 if (wk->sdata != sdata)
1715 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
1718 if (cookie != (unsigned long) wk->offchan_tx.frame)
1721 wk->timeout = jiffies;
1723 ieee80211_queue_work(&local->hw, &local->work_work);
1727 mutex_unlock(&local->mtx);
1732 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
1733 struct net_device *dev,
1734 u16 frame_type, bool reg)
1736 struct ieee80211_local *local = wiphy_priv(wiphy);
1738 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
1742 local->probe_req_reg++;
1744 local->probe_req_reg--;
1746 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
1749 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1751 struct ieee80211_local *local = wiphy_priv(wiphy);
1756 return drv_set_antenna(local, tx_ant, rx_ant);
1759 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1761 struct ieee80211_local *local = wiphy_priv(wiphy);
1763 return drv_get_antenna(local, tx_ant, rx_ant);
1766 struct cfg80211_ops mac80211_config_ops = {
1767 .add_virtual_intf = ieee80211_add_iface,
1768 .del_virtual_intf = ieee80211_del_iface,
1769 .change_virtual_intf = ieee80211_change_iface,
1770 .add_key = ieee80211_add_key,
1771 .del_key = ieee80211_del_key,
1772 .get_key = ieee80211_get_key,
1773 .set_default_key = ieee80211_config_default_key,
1774 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1775 .add_beacon = ieee80211_add_beacon,
1776 .set_beacon = ieee80211_set_beacon,
1777 .del_beacon = ieee80211_del_beacon,
1778 .add_station = ieee80211_add_station,
1779 .del_station = ieee80211_del_station,
1780 .change_station = ieee80211_change_station,
1781 .get_station = ieee80211_get_station,
1782 .dump_station = ieee80211_dump_station,
1783 .dump_survey = ieee80211_dump_survey,
1784 #ifdef CONFIG_MAC80211_MESH
1785 .add_mpath = ieee80211_add_mpath,
1786 .del_mpath = ieee80211_del_mpath,
1787 .change_mpath = ieee80211_change_mpath,
1788 .get_mpath = ieee80211_get_mpath,
1789 .dump_mpath = ieee80211_dump_mpath,
1790 .update_mesh_params = ieee80211_update_mesh_params,
1791 .get_mesh_params = ieee80211_get_mesh_params,
1792 .join_mesh = ieee80211_join_mesh,
1793 .leave_mesh = ieee80211_leave_mesh,
1795 .change_bss = ieee80211_change_bss,
1796 .set_txq_params = ieee80211_set_txq_params,
1797 .set_channel = ieee80211_set_channel,
1798 .suspend = ieee80211_suspend,
1799 .resume = ieee80211_resume,
1800 .scan = ieee80211_scan,
1801 .auth = ieee80211_auth,
1802 .assoc = ieee80211_assoc,
1803 .deauth = ieee80211_deauth,
1804 .disassoc = ieee80211_disassoc,
1805 .join_ibss = ieee80211_join_ibss,
1806 .leave_ibss = ieee80211_leave_ibss,
1807 .set_wiphy_params = ieee80211_set_wiphy_params,
1808 .set_tx_power = ieee80211_set_tx_power,
1809 .get_tx_power = ieee80211_get_tx_power,
1810 .set_wds_peer = ieee80211_set_wds_peer,
1811 .rfkill_poll = ieee80211_rfkill_poll,
1812 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1813 .set_power_mgmt = ieee80211_set_power_mgmt,
1814 .set_bitrate_mask = ieee80211_set_bitrate_mask,
1815 .remain_on_channel = ieee80211_remain_on_channel,
1816 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
1817 .mgmt_tx = ieee80211_mgmt_tx,
1818 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
1819 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
1820 .mgmt_frame_register = ieee80211_mgmt_frame_register,
1821 .set_antenna = ieee80211_set_antenna,
1822 .get_antenna = ieee80211_get_antenna,