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 <linux/if_ether.h>
16 #include <net/cfg80211.h>
17 #include "ieee80211_i.h"
18 #include "driver-ops.h"
23 static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
24 enum nl80211_iftype type,
26 struct vif_params *params)
28 struct ieee80211_local *local = wiphy_priv(wiphy);
29 struct net_device *dev;
30 struct ieee80211_sub_if_data *sdata;
33 err = ieee80211_if_add(local, name, &dev, type, params);
37 if (type == NL80211_IFTYPE_MONITOR && flags) {
38 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
39 sdata->u.mntr_flags = *flags;
45 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
47 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
52 static int ieee80211_change_iface(struct wiphy *wiphy,
53 struct net_device *dev,
54 enum nl80211_iftype type, u32 *flags,
55 struct vif_params *params)
57 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
60 ret = ieee80211_if_change_type(sdata, type);
64 if (type == NL80211_IFTYPE_AP_VLAN &&
65 params && params->use_4addr == 0)
66 RCU_INIT_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 if (ieee80211_vif_is_mesh(&sdata->vif))
141 sta = sta_info_get(sdata, mac_addr);
143 sta = sta_info_get_bss(sdata, mac_addr);
145 ieee80211_key_free(sdata->local, key);
151 err = ieee80211_key_link(key, sdata, sta);
153 ieee80211_key_free(sdata->local, key);
156 mutex_unlock(&sdata->local->sta_mtx);
161 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
162 u8 key_idx, bool pairwise, const u8 *mac_addr)
164 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
165 struct ieee80211_local *local = sdata->local;
166 struct sta_info *sta;
167 struct ieee80211_key *key = NULL;
170 mutex_lock(&local->sta_mtx);
171 mutex_lock(&local->key_mtx);
176 sta = sta_info_get_bss(sdata, mac_addr);
181 key = key_mtx_dereference(local, sta->ptk);
183 key = key_mtx_dereference(local, sta->gtk[key_idx]);
185 key = key_mtx_dereference(local, sdata->keys[key_idx]);
192 __ieee80211_key_free(key);
196 mutex_unlock(&local->key_mtx);
197 mutex_unlock(&local->sta_mtx);
202 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
203 u8 key_idx, bool pairwise, const u8 *mac_addr,
205 void (*callback)(void *cookie,
206 struct key_params *params))
208 struct ieee80211_sub_if_data *sdata;
209 struct sta_info *sta = NULL;
211 struct key_params params;
212 struct ieee80211_key *key = NULL;
218 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
223 sta = sta_info_get_bss(sdata, mac_addr);
228 key = rcu_dereference(sta->ptk);
229 else if (key_idx < NUM_DEFAULT_KEYS)
230 key = rcu_dereference(sta->gtk[key_idx]);
232 key = rcu_dereference(sdata->keys[key_idx]);
237 memset(¶ms, 0, sizeof(params));
239 params.cipher = key->conf.cipher;
241 switch (key->conf.cipher) {
242 case WLAN_CIPHER_SUITE_TKIP:
243 iv32 = key->u.tkip.tx.iv32;
244 iv16 = key->u.tkip.tx.iv16;
246 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
247 drv_get_tkip_seq(sdata->local,
248 key->conf.hw_key_idx,
251 seq[0] = iv16 & 0xff;
252 seq[1] = (iv16 >> 8) & 0xff;
253 seq[2] = iv32 & 0xff;
254 seq[3] = (iv32 >> 8) & 0xff;
255 seq[4] = (iv32 >> 16) & 0xff;
256 seq[5] = (iv32 >> 24) & 0xff;
260 case WLAN_CIPHER_SUITE_CCMP:
261 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
271 case WLAN_CIPHER_SUITE_AES_CMAC:
272 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
284 params.key = key->conf.key;
285 params.key_len = key->conf.keylen;
287 callback(cookie, ¶ms);
295 static int ieee80211_config_default_key(struct wiphy *wiphy,
296 struct net_device *dev,
297 u8 key_idx, bool uni,
300 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
302 ieee80211_set_default_key(sdata, key_idx, uni, multi);
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 rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
320 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
321 struct ieee80211_supported_band *sband;
322 sband = sta->local->hw.wiphy->bands[
323 sta->local->hw.conf.channel->band];
324 rate->legacy = sband->bitrates[idx].bitrate;
329 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
331 struct ieee80211_sub_if_data *sdata = sta->sdata;
332 struct timespec uptime;
334 sinfo->generation = sdata->local->sta_generation;
336 sinfo->filled = STATION_INFO_INACTIVE_TIME |
337 STATION_INFO_RX_BYTES |
338 STATION_INFO_TX_BYTES |
339 STATION_INFO_RX_PACKETS |
340 STATION_INFO_TX_PACKETS |
341 STATION_INFO_TX_RETRIES |
342 STATION_INFO_TX_FAILED |
343 STATION_INFO_TX_BITRATE |
344 STATION_INFO_RX_BITRATE |
345 STATION_INFO_RX_DROP_MISC |
346 STATION_INFO_BSS_PARAM |
347 STATION_INFO_CONNECTED_TIME;
349 do_posix_clock_monotonic_gettime(&uptime);
350 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
352 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
353 sinfo->rx_bytes = sta->rx_bytes;
354 sinfo->tx_bytes = sta->tx_bytes;
355 sinfo->rx_packets = sta->rx_packets;
356 sinfo->tx_packets = sta->tx_packets;
357 sinfo->tx_retries = sta->tx_retry_count;
358 sinfo->tx_failed = sta->tx_retry_failed;
359 sinfo->rx_dropped_misc = sta->rx_dropped;
361 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
362 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
363 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
364 sinfo->signal = (s8)sta->last_signal;
365 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
368 sinfo->txrate.flags = 0;
369 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
370 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
371 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
372 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
373 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
374 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
375 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
377 sinfo->rxrate.flags = 0;
378 if (sta->last_rx_rate_flag & RX_FLAG_HT)
379 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
380 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
381 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
382 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
383 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
384 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
386 if (ieee80211_vif_is_mesh(&sdata->vif)) {
387 #ifdef CONFIG_MAC80211_MESH
388 sinfo->filled |= STATION_INFO_LLID |
390 STATION_INFO_PLINK_STATE;
392 sinfo->llid = le16_to_cpu(sta->llid);
393 sinfo->plid = le16_to_cpu(sta->plid);
394 sinfo->plink_state = sta->plink_state;
398 sinfo->bss_param.flags = 0;
399 if (sdata->vif.bss_conf.use_cts_prot)
400 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
401 if (sdata->vif.bss_conf.use_short_preamble)
402 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
403 if (sdata->vif.bss_conf.use_short_slot)
404 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
405 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
406 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
410 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
411 int idx, 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_by_idx(sdata, idx);
422 memcpy(mac, sta->sta.addr, ETH_ALEN);
423 sta_set_sinfo(sta, sinfo);
431 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
432 int idx, struct survey_info *survey)
434 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
436 return drv_get_survey(local, idx, survey);
439 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
440 u8 *mac, struct station_info *sinfo)
442 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
443 struct sta_info *sta;
448 sta = sta_info_get_bss(sdata, mac);
451 sta_set_sinfo(sta, sinfo);
459 static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata,
460 struct beacon_parameters *params)
462 struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
464 bss_conf->ssid_len = params->ssid_len;
466 if (params->ssid_len)
467 memcpy(bss_conf->ssid, params->ssid, params->ssid_len);
469 bss_conf->hidden_ssid =
470 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
474 * This handles both adding a beacon and setting new beacon info
476 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
477 struct beacon_parameters *params)
479 struct beacon_data *new, *old;
480 int new_head_len, new_tail_len;
484 old = rtnl_dereference(sdata->u.ap.beacon);
486 /* head must not be zero-length */
487 if (params->head && !params->head_len)
491 * This is a kludge. beacon interval should really be part
492 * of the beacon information.
494 if (params->interval &&
495 (sdata->vif.bss_conf.beacon_int != params->interval)) {
496 sdata->vif.bss_conf.beacon_int = params->interval;
497 ieee80211_bss_info_change_notify(sdata,
498 BSS_CHANGED_BEACON_INT);
501 /* Need to have a beacon head if we don't have one yet */
502 if (!params->head && !old)
505 /* sorry, no way to start beaconing without dtim period */
506 if (!params->dtim_period && !old)
509 /* new or old head? */
511 new_head_len = params->head_len;
513 new_head_len = old->head_len;
515 /* new or old tail? */
516 if (params->tail || !old)
517 /* params->tail_len will be zero for !params->tail */
518 new_tail_len = params->tail_len;
520 new_tail_len = old->tail_len;
522 size = sizeof(*new) + new_head_len + new_tail_len;
524 new = kzalloc(size, GFP_KERNEL);
528 /* start filling the new info now */
530 /* new or old dtim period? */
531 if (params->dtim_period)
532 new->dtim_period = params->dtim_period;
534 new->dtim_period = old->dtim_period;
537 * pointers go into the block we allocated,
538 * memory is | beacon_data | head | tail |
540 new->head = ((u8 *) new) + sizeof(*new);
541 new->tail = new->head + new_head_len;
542 new->head_len = new_head_len;
543 new->tail_len = new_tail_len;
547 memcpy(new->head, params->head, new_head_len);
549 memcpy(new->head, old->head, new_head_len);
551 /* copy in optional tail */
553 memcpy(new->tail, params->tail, new_tail_len);
556 memcpy(new->tail, old->tail, new_tail_len);
558 sdata->vif.bss_conf.dtim_period = new->dtim_period;
560 RCU_INIT_POINTER(sdata->u.ap.beacon, new);
566 ieee80211_config_ap_ssid(sdata, params);
568 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
574 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
575 struct beacon_parameters *params)
577 struct ieee80211_sub_if_data *sdata;
578 struct beacon_data *old;
580 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
582 old = rtnl_dereference(sdata->u.ap.beacon);
586 return ieee80211_config_beacon(sdata, params);
589 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
590 struct beacon_parameters *params)
592 struct ieee80211_sub_if_data *sdata;
593 struct beacon_data *old;
595 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
597 old = rtnl_dereference(sdata->u.ap.beacon);
601 return ieee80211_config_beacon(sdata, params);
604 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
606 struct ieee80211_sub_if_data *sdata;
607 struct beacon_data *old;
609 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
611 old = rtnl_dereference(sdata->u.ap.beacon);
615 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
619 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
623 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
624 struct iapp_layer2_update {
625 u8 da[ETH_ALEN]; /* broadcast */
626 u8 sa[ETH_ALEN]; /* STA addr */
634 static void ieee80211_send_layer2_update(struct sta_info *sta)
636 struct iapp_layer2_update *msg;
639 /* Send Level 2 Update Frame to update forwarding tables in layer 2
642 skb = dev_alloc_skb(sizeof(*msg));
645 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
647 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
648 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
650 memset(msg->da, 0xff, ETH_ALEN);
651 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
654 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
655 msg->control = 0xaf; /* XID response lsb.1111F101.
656 * F=0 (no poll command; unsolicited frame) */
657 msg->xid_info[0] = 0x81; /* XID format identifier */
658 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
659 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
661 skb->dev = sta->sdata->dev;
662 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
663 memset(skb->cb, 0, sizeof(skb->cb));
667 static void sta_apply_parameters(struct ieee80211_local *local,
668 struct sta_info *sta,
669 struct station_parameters *params)
673 struct ieee80211_supported_band *sband;
674 struct ieee80211_sub_if_data *sdata = sta->sdata;
677 sband = local->hw.wiphy->bands[local->oper_channel->band];
679 mask = params->sta_flags_mask;
680 set = params->sta_flags_set;
682 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
683 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
684 set_sta_flag(sta, WLAN_STA_AUTHORIZED);
686 clear_sta_flag(sta, WLAN_STA_AUTHORIZED);
689 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
690 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
691 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
693 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
696 if (mask & BIT(NL80211_STA_FLAG_WME)) {
697 if (set & BIT(NL80211_STA_FLAG_WME)) {
698 set_sta_flag(sta, WLAN_STA_WME);
701 clear_sta_flag(sta, WLAN_STA_WME);
702 sta->sta.wme = false;
706 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
707 if (set & BIT(NL80211_STA_FLAG_MFP))
708 set_sta_flag(sta, WLAN_STA_MFP);
710 clear_sta_flag(sta, WLAN_STA_MFP);
713 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
714 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
715 set_sta_flag(sta, WLAN_STA_AUTH);
717 clear_sta_flag(sta, WLAN_STA_AUTH);
720 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
721 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
722 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
724 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
727 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
728 sta->sta.uapsd_queues = params->uapsd_queues;
729 sta->sta.max_sp = params->max_sp;
733 * cfg80211 validates this (1-2007) and allows setting the AID
734 * only when creating a new station entry
737 sta->sta.aid = params->aid;
740 * FIXME: updating the following information is racy when this
741 * function is called from ieee80211_change_station().
742 * However, all this information should be static so
743 * maybe we should just reject attemps to change it.
746 if (params->listen_interval >= 0)
747 sta->listen_interval = params->listen_interval;
749 if (params->supported_rates) {
752 for (i = 0; i < params->supported_rates_len; i++) {
753 int rate = (params->supported_rates[i] & 0x7f) * 5;
754 for (j = 0; j < sband->n_bitrates; j++) {
755 if (sband->bitrates[j].bitrate == rate)
759 sta->sta.supp_rates[local->oper_channel->band] = rates;
763 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
767 if (ieee80211_vif_is_mesh(&sdata->vif)) {
768 #ifdef CONFIG_MAC80211_MESH
769 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
770 switch (params->plink_state) {
771 case NL80211_PLINK_LISTEN:
772 case NL80211_PLINK_ESTAB:
773 case NL80211_PLINK_BLOCKED:
774 sta->plink_state = params->plink_state;
781 switch (params->plink_action) {
782 case PLINK_ACTION_OPEN:
783 mesh_plink_open(sta);
785 case PLINK_ACTION_BLOCK:
786 mesh_plink_block(sta);
793 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
794 u8 *mac, struct station_parameters *params)
796 struct ieee80211_local *local = wiphy_priv(wiphy);
797 struct sta_info *sta;
798 struct ieee80211_sub_if_data *sdata;
803 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
805 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
806 sdata->vif.type != NL80211_IFTYPE_AP)
809 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
811 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
814 if (is_multicast_ether_addr(mac))
817 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
821 set_sta_flag(sta, WLAN_STA_AUTH);
822 set_sta_flag(sta, WLAN_STA_ASSOC);
824 sta_apply_parameters(local, sta, params);
826 /* Only TDLS-supporting stations can add TDLS peers */
827 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
828 !((wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
829 sdata->vif.type == NL80211_IFTYPE_STATION))
832 rate_control_rate_init(sta);
834 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
835 sdata->vif.type == NL80211_IFTYPE_AP;
837 err = sta_info_insert_rcu(sta);
844 ieee80211_send_layer2_update(sta);
851 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
854 struct ieee80211_local *local = wiphy_priv(wiphy);
855 struct ieee80211_sub_if_data *sdata;
857 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
860 return sta_info_destroy_addr_bss(sdata, mac);
862 sta_info_flush(local, sdata);
866 static int ieee80211_change_station(struct wiphy *wiphy,
867 struct net_device *dev,
869 struct station_parameters *params)
871 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
872 struct ieee80211_local *local = wiphy_priv(wiphy);
873 struct sta_info *sta;
874 struct ieee80211_sub_if_data *vlansdata;
878 sta = sta_info_get_bss(sdata, mac);
884 /* The TDLS bit cannot be toggled after the STA was added */
885 if ((params->sta_flags_mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
886 !!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) !=
887 !!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
892 if (params->vlan && params->vlan != sta->sdata->dev) {
893 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
895 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
896 vlansdata->vif.type != NL80211_IFTYPE_AP) {
901 if (params->vlan->ieee80211_ptr->use_4addr) {
902 if (vlansdata->u.vlan.sta) {
907 RCU_INIT_POINTER(vlansdata->u.vlan.sta, sta);
910 sta->sdata = vlansdata;
911 ieee80211_send_layer2_update(sta);
914 sta_apply_parameters(local, sta, params);
918 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
919 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
920 ieee80211_recalc_ps(local, -1);
925 #ifdef CONFIG_MAC80211_MESH
926 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
927 u8 *dst, u8 *next_hop)
929 struct ieee80211_sub_if_data *sdata;
930 struct mesh_path *mpath;
931 struct sta_info *sta;
934 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
937 sta = sta_info_get(sdata, next_hop);
943 err = mesh_path_add(dst, sdata);
949 mpath = mesh_path_lookup(dst, sdata);
954 mesh_path_fix_nexthop(mpath, sta);
960 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
963 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
966 return mesh_path_del(dst, sdata);
968 mesh_path_flush_by_iface(sdata);
972 static int ieee80211_change_mpath(struct wiphy *wiphy,
973 struct net_device *dev,
974 u8 *dst, u8 *next_hop)
976 struct ieee80211_sub_if_data *sdata;
977 struct mesh_path *mpath;
978 struct sta_info *sta;
980 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
984 sta = sta_info_get(sdata, next_hop);
990 mpath = mesh_path_lookup(dst, sdata);
996 mesh_path_fix_nexthop(mpath, sta);
1002 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1003 struct mpath_info *pinfo)
1005 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1008 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1010 memset(next_hop, 0, ETH_ALEN);
1012 pinfo->generation = mesh_paths_generation;
1014 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1017 MPATH_INFO_EXPTIME |
1018 MPATH_INFO_DISCOVERY_TIMEOUT |
1019 MPATH_INFO_DISCOVERY_RETRIES |
1022 pinfo->frame_qlen = mpath->frame_queue.qlen;
1023 pinfo->sn = mpath->sn;
1024 pinfo->metric = mpath->metric;
1025 if (time_before(jiffies, mpath->exp_time))
1026 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1027 pinfo->discovery_timeout =
1028 jiffies_to_msecs(mpath->discovery_timeout);
1029 pinfo->discovery_retries = mpath->discovery_retries;
1031 if (mpath->flags & MESH_PATH_ACTIVE)
1032 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1033 if (mpath->flags & MESH_PATH_RESOLVING)
1034 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1035 if (mpath->flags & MESH_PATH_SN_VALID)
1036 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1037 if (mpath->flags & MESH_PATH_FIXED)
1038 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1039 if (mpath->flags & MESH_PATH_RESOLVING)
1040 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1042 pinfo->flags = mpath->flags;
1045 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1046 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1049 struct ieee80211_sub_if_data *sdata;
1050 struct mesh_path *mpath;
1052 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1055 mpath = mesh_path_lookup(dst, sdata);
1060 memcpy(dst, mpath->dst, ETH_ALEN);
1061 mpath_set_pinfo(mpath, next_hop, pinfo);
1066 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1067 int idx, u8 *dst, u8 *next_hop,
1068 struct mpath_info *pinfo)
1070 struct ieee80211_sub_if_data *sdata;
1071 struct mesh_path *mpath;
1073 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1076 mpath = mesh_path_lookup_by_idx(idx, sdata);
1081 memcpy(dst, mpath->dst, ETH_ALEN);
1082 mpath_set_pinfo(mpath, next_hop, pinfo);
1087 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1088 struct net_device *dev,
1089 struct mesh_config *conf)
1091 struct ieee80211_sub_if_data *sdata;
1092 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1094 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1098 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1100 return (mask >> (parm-1)) & 0x1;
1103 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1104 const struct mesh_setup *setup)
1109 /* allocate information elements */
1113 if (setup->ie_len) {
1114 new_ie = kmemdup(setup->ie, setup->ie_len,
1119 ifmsh->ie_len = setup->ie_len;
1123 /* now copy the rest of the setup parameters */
1124 ifmsh->mesh_id_len = setup->mesh_id_len;
1125 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1126 ifmsh->mesh_pp_id = setup->path_sel_proto;
1127 ifmsh->mesh_pm_id = setup->path_metric;
1128 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1129 if (setup->is_authenticated)
1130 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1131 if (setup->is_secure)
1132 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1137 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1138 struct net_device *dev, u32 mask,
1139 const struct mesh_config *nconf)
1141 struct mesh_config *conf;
1142 struct ieee80211_sub_if_data *sdata;
1143 struct ieee80211_if_mesh *ifmsh;
1145 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1146 ifmsh = &sdata->u.mesh;
1148 /* Set the config options which we are interested in setting */
1149 conf = &(sdata->u.mesh.mshcfg);
1150 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1151 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1152 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1153 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1154 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1155 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1156 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1157 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1158 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1159 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1160 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1161 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1162 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1163 conf->dot11MeshTTL = nconf->element_ttl;
1164 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1165 conf->auto_open_plinks = nconf->auto_open_plinks;
1166 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1167 conf->dot11MeshHWMPmaxPREQretries =
1168 nconf->dot11MeshHWMPmaxPREQretries;
1169 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1170 conf->path_refresh_time = nconf->path_refresh_time;
1171 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1172 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1173 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1174 conf->dot11MeshHWMPactivePathTimeout =
1175 nconf->dot11MeshHWMPactivePathTimeout;
1176 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1177 conf->dot11MeshHWMPpreqMinInterval =
1178 nconf->dot11MeshHWMPpreqMinInterval;
1179 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1181 conf->dot11MeshHWMPnetDiameterTraversalTime =
1182 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1183 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1184 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1185 ieee80211_mesh_root_setup(ifmsh);
1187 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1188 /* our current gate announcement implementation rides on root
1189 * announcements, so require this ifmsh to also be a root node
1191 if (nconf->dot11MeshGateAnnouncementProtocol &&
1192 !conf->dot11MeshHWMPRootMode) {
1193 conf->dot11MeshHWMPRootMode = 1;
1194 ieee80211_mesh_root_setup(ifmsh);
1196 conf->dot11MeshGateAnnouncementProtocol =
1197 nconf->dot11MeshGateAnnouncementProtocol;
1199 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1200 conf->dot11MeshHWMPRannInterval =
1201 nconf->dot11MeshHWMPRannInterval;
1206 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1207 const struct mesh_config *conf,
1208 const struct mesh_setup *setup)
1210 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1211 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1214 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1215 err = copy_mesh_setup(ifmsh, setup);
1218 ieee80211_start_mesh(sdata);
1223 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1225 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1227 ieee80211_stop_mesh(sdata);
1233 static int ieee80211_change_bss(struct wiphy *wiphy,
1234 struct net_device *dev,
1235 struct bss_parameters *params)
1237 struct ieee80211_sub_if_data *sdata;
1240 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1242 if (params->use_cts_prot >= 0) {
1243 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1244 changed |= BSS_CHANGED_ERP_CTS_PROT;
1246 if (params->use_short_preamble >= 0) {
1247 sdata->vif.bss_conf.use_short_preamble =
1248 params->use_short_preamble;
1249 changed |= BSS_CHANGED_ERP_PREAMBLE;
1252 if (!sdata->vif.bss_conf.use_short_slot &&
1253 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1254 sdata->vif.bss_conf.use_short_slot = true;
1255 changed |= BSS_CHANGED_ERP_SLOT;
1258 if (params->use_short_slot_time >= 0) {
1259 sdata->vif.bss_conf.use_short_slot =
1260 params->use_short_slot_time;
1261 changed |= BSS_CHANGED_ERP_SLOT;
1264 if (params->basic_rates) {
1267 struct ieee80211_local *local = wiphy_priv(wiphy);
1268 struct ieee80211_supported_band *sband =
1269 wiphy->bands[local->oper_channel->band];
1271 for (i = 0; i < params->basic_rates_len; i++) {
1272 int rate = (params->basic_rates[i] & 0x7f) * 5;
1273 for (j = 0; j < sband->n_bitrates; j++) {
1274 if (sband->bitrates[j].bitrate == rate)
1278 sdata->vif.bss_conf.basic_rates = rates;
1279 changed |= BSS_CHANGED_BASIC_RATES;
1282 if (params->ap_isolate >= 0) {
1283 if (params->ap_isolate)
1284 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1286 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1289 if (params->ht_opmode >= 0) {
1290 sdata->vif.bss_conf.ht_operation_mode =
1291 (u16) params->ht_opmode;
1292 changed |= BSS_CHANGED_HT;
1295 ieee80211_bss_info_change_notify(sdata, changed);
1300 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1301 struct net_device *dev,
1302 struct ieee80211_txq_params *params)
1304 struct ieee80211_local *local = wiphy_priv(wiphy);
1305 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1306 struct ieee80211_tx_queue_params p;
1308 if (!local->ops->conf_tx)
1311 memset(&p, 0, sizeof(p));
1312 p.aifs = params->aifs;
1313 p.cw_max = params->cwmax;
1314 p.cw_min = params->cwmin;
1315 p.txop = params->txop;
1318 * Setting tx queue params disables u-apsd because it's only
1319 * called in master mode.
1323 if (params->queue >= local->hw.queues)
1326 sdata->tx_conf[params->queue] = p;
1327 if (drv_conf_tx(local, sdata, params->queue, &p)) {
1328 wiphy_debug(local->hw.wiphy,
1329 "failed to set TX queue parameters for queue %d\n",
1337 static int ieee80211_set_channel(struct wiphy *wiphy,
1338 struct net_device *netdev,
1339 struct ieee80211_channel *chan,
1340 enum nl80211_channel_type channel_type)
1342 struct ieee80211_local *local = wiphy_priv(wiphy);
1343 struct ieee80211_sub_if_data *sdata = NULL;
1344 struct ieee80211_channel *old_oper;
1345 enum nl80211_channel_type old_oper_type;
1346 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
1349 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1351 switch (ieee80211_get_channel_mode(local, NULL)) {
1352 case CHAN_MODE_HOPPING:
1354 case CHAN_MODE_FIXED:
1355 if (local->oper_channel != chan)
1357 if (!sdata && local->_oper_channel_type == channel_type)
1360 case CHAN_MODE_UNDEFINED:
1365 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1366 old_oper_type = local->_oper_channel_type;
1368 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1371 old_oper = local->oper_channel;
1372 local->oper_channel = chan;
1374 /* Update driver if changes were actually made. */
1375 if ((old_oper != local->oper_channel) ||
1376 (old_oper_type != local->_oper_channel_type))
1377 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1379 if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) &&
1380 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
1381 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1387 static int ieee80211_suspend(struct wiphy *wiphy,
1388 struct cfg80211_wowlan *wowlan)
1390 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1393 static int ieee80211_resume(struct wiphy *wiphy)
1395 return __ieee80211_resume(wiphy_priv(wiphy));
1398 #define ieee80211_suspend NULL
1399 #define ieee80211_resume NULL
1402 static int ieee80211_scan(struct wiphy *wiphy,
1403 struct net_device *dev,
1404 struct cfg80211_scan_request *req)
1406 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1408 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1409 case NL80211_IFTYPE_STATION:
1410 case NL80211_IFTYPE_ADHOC:
1411 case NL80211_IFTYPE_MESH_POINT:
1412 case NL80211_IFTYPE_P2P_CLIENT:
1414 case NL80211_IFTYPE_P2P_GO:
1415 if (sdata->local->ops->hw_scan)
1418 * FIXME: implement NoA while scanning in software,
1419 * for now fall through to allow scanning only when
1420 * beaconing hasn't been configured yet
1422 case NL80211_IFTYPE_AP:
1423 if (sdata->u.ap.beacon)
1430 return ieee80211_request_scan(sdata, req);
1434 ieee80211_sched_scan_start(struct wiphy *wiphy,
1435 struct net_device *dev,
1436 struct cfg80211_sched_scan_request *req)
1438 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1440 if (!sdata->local->ops->sched_scan_start)
1443 return ieee80211_request_sched_scan_start(sdata, req);
1447 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
1449 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1451 if (!sdata->local->ops->sched_scan_stop)
1454 return ieee80211_request_sched_scan_stop(sdata);
1457 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1458 struct cfg80211_auth_request *req)
1460 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1463 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1464 struct cfg80211_assoc_request *req)
1466 struct ieee80211_local *local = wiphy_priv(wiphy);
1467 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1469 switch (ieee80211_get_channel_mode(local, sdata)) {
1470 case CHAN_MODE_HOPPING:
1472 case CHAN_MODE_FIXED:
1473 if (local->oper_channel == req->bss->channel)
1476 case CHAN_MODE_UNDEFINED:
1480 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1483 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1484 struct cfg80211_deauth_request *req,
1487 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1491 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1492 struct cfg80211_disassoc_request *req,
1495 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1499 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1500 struct cfg80211_ibss_params *params)
1502 struct ieee80211_local *local = wiphy_priv(wiphy);
1503 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1505 switch (ieee80211_get_channel_mode(local, sdata)) {
1506 case CHAN_MODE_HOPPING:
1508 case CHAN_MODE_FIXED:
1509 if (!params->channel_fixed)
1511 if (local->oper_channel == params->channel)
1514 case CHAN_MODE_UNDEFINED:
1518 return ieee80211_ibss_join(sdata, params);
1521 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1523 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1525 return ieee80211_ibss_leave(sdata);
1528 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1530 struct ieee80211_local *local = wiphy_priv(wiphy);
1533 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1534 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1540 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1541 err = drv_set_coverage_class(local, wiphy->coverage_class);
1547 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1548 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1554 if (changed & WIPHY_PARAM_RETRY_SHORT)
1555 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1556 if (changed & WIPHY_PARAM_RETRY_LONG)
1557 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1559 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1560 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1565 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1566 enum nl80211_tx_power_setting type, int mbm)
1568 struct ieee80211_local *local = wiphy_priv(wiphy);
1569 struct ieee80211_channel *chan = local->hw.conf.channel;
1573 case NL80211_TX_POWER_AUTOMATIC:
1574 local->user_power_level = -1;
1576 case NL80211_TX_POWER_LIMITED:
1577 if (mbm < 0 || (mbm % 100))
1579 local->user_power_level = MBM_TO_DBM(mbm);
1581 case NL80211_TX_POWER_FIXED:
1582 if (mbm < 0 || (mbm % 100))
1584 /* TODO: move to cfg80211 when it knows the channel */
1585 if (MBM_TO_DBM(mbm) > chan->max_power)
1587 local->user_power_level = MBM_TO_DBM(mbm);
1591 ieee80211_hw_config(local, changes);
1596 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1598 struct ieee80211_local *local = wiphy_priv(wiphy);
1600 *dbm = local->hw.conf.power_level;
1605 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1608 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1610 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1615 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1617 struct ieee80211_local *local = wiphy_priv(wiphy);
1619 drv_rfkill_poll(local);
1622 #ifdef CONFIG_NL80211_TESTMODE
1623 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1625 struct ieee80211_local *local = wiphy_priv(wiphy);
1627 if (!local->ops->testmode_cmd)
1630 return local->ops->testmode_cmd(&local->hw, data, len);
1633 static int ieee80211_testmode_dump(struct wiphy *wiphy,
1634 struct sk_buff *skb,
1635 struct netlink_callback *cb,
1636 void *data, int len)
1638 struct ieee80211_local *local = wiphy_priv(wiphy);
1640 if (!local->ops->testmode_dump)
1643 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1647 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1648 enum ieee80211_smps_mode smps_mode)
1651 enum ieee80211_smps_mode old_req;
1654 lockdep_assert_held(&sdata->u.mgd.mtx);
1656 old_req = sdata->u.mgd.req_smps;
1657 sdata->u.mgd.req_smps = smps_mode;
1659 if (old_req == smps_mode &&
1660 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1664 * If not associated, or current association is not an HT
1665 * association, there's no need to send an action frame.
1667 if (!sdata->u.mgd.associated ||
1668 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1669 mutex_lock(&sdata->local->iflist_mtx);
1670 ieee80211_recalc_smps(sdata->local);
1671 mutex_unlock(&sdata->local->iflist_mtx);
1675 ap = sdata->u.mgd.associated->bssid;
1677 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1678 if (sdata->u.mgd.powersave)
1679 smps_mode = IEEE80211_SMPS_DYNAMIC;
1681 smps_mode = IEEE80211_SMPS_OFF;
1684 /* send SM PS frame to AP */
1685 err = ieee80211_send_smps_action(sdata, smps_mode,
1688 sdata->u.mgd.req_smps = old_req;
1693 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1694 bool enabled, int timeout)
1696 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1697 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1699 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1702 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1705 if (enabled == sdata->u.mgd.powersave &&
1706 timeout == local->dynamic_ps_forced_timeout)
1709 sdata->u.mgd.powersave = enabled;
1710 local->dynamic_ps_forced_timeout = timeout;
1712 /* no change, but if automatic follow powersave */
1713 mutex_lock(&sdata->u.mgd.mtx);
1714 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1715 mutex_unlock(&sdata->u.mgd.mtx);
1717 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1718 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1720 ieee80211_recalc_ps(local, -1);
1725 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1726 struct net_device *dev,
1727 s32 rssi_thold, u32 rssi_hyst)
1729 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1730 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1731 struct ieee80211_vif *vif = &sdata->vif;
1732 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1734 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1735 rssi_hyst == bss_conf->cqm_rssi_hyst)
1738 bss_conf->cqm_rssi_thold = rssi_thold;
1739 bss_conf->cqm_rssi_hyst = rssi_hyst;
1741 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1742 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1747 /* tell the driver upon association, unless already associated */
1748 if (sdata->u.mgd.associated)
1749 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1754 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1755 struct net_device *dev,
1757 const struct cfg80211_bitrate_mask *mask)
1759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1760 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1763 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
1764 ret = drv_set_bitrate_mask(local, sdata, mask);
1769 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1770 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1775 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1776 struct net_device *dev,
1777 struct ieee80211_channel *chan,
1778 enum nl80211_channel_type chantype,
1779 unsigned int duration, u64 *cookie)
1784 lockdep_assert_held(&local->mtx);
1786 if (local->hw_roc_cookie)
1788 /* must be nonzero */
1789 random_cookie = random32() | 1;
1791 *cookie = random_cookie;
1792 local->hw_roc_dev = dev;
1793 local->hw_roc_cookie = random_cookie;
1794 local->hw_roc_channel = chan;
1795 local->hw_roc_channel_type = chantype;
1796 local->hw_roc_duration = duration;
1797 ret = drv_remain_on_channel(local, chan, chantype, duration);
1799 local->hw_roc_channel = NULL;
1800 local->hw_roc_cookie = 0;
1806 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1807 struct net_device *dev,
1808 struct ieee80211_channel *chan,
1809 enum nl80211_channel_type channel_type,
1810 unsigned int duration,
1813 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1814 struct ieee80211_local *local = sdata->local;
1816 if (local->ops->remain_on_channel) {
1819 mutex_lock(&local->mtx);
1820 ret = ieee80211_remain_on_channel_hw(local, dev,
1823 local->hw_roc_for_tx = false;
1824 mutex_unlock(&local->mtx);
1829 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1833 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1838 lockdep_assert_held(&local->mtx);
1840 if (local->hw_roc_cookie != cookie)
1843 ret = drv_cancel_remain_on_channel(local);
1847 local->hw_roc_cookie = 0;
1848 local->hw_roc_channel = NULL;
1850 ieee80211_recalc_idle(local);
1855 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1856 struct net_device *dev,
1859 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1860 struct ieee80211_local *local = sdata->local;
1862 if (local->ops->cancel_remain_on_channel) {
1865 mutex_lock(&local->mtx);
1866 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1867 mutex_unlock(&local->mtx);
1872 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1875 static enum work_done_result
1876 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1879 * Use the data embedded in the work struct for reporting
1880 * here so if the driver mangled the SKB before dropping
1881 * it (which is the only way we really should get here)
1882 * then we don't report mangled data.
1884 * If there was no wait time, then by the time we get here
1885 * the driver will likely not have reported the status yet,
1886 * so in that case userspace will have to deal with it.
1889 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1890 cfg80211_mgmt_tx_status(wk->sdata->dev,
1891 (unsigned long) wk->offchan_tx.frame,
1892 wk->ie, wk->ie_len, false, GFP_KERNEL);
1894 return WORK_DONE_DESTROY;
1897 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
1898 struct ieee80211_channel *chan, bool offchan,
1899 enum nl80211_channel_type channel_type,
1900 bool channel_type_valid, unsigned int wait,
1901 const u8 *buf, size_t len, bool no_cck,
1904 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1905 struct ieee80211_local *local = sdata->local;
1906 struct sk_buff *skb;
1907 struct sta_info *sta;
1908 struct ieee80211_work *wk;
1909 const struct ieee80211_mgmt *mgmt = (void *)buf;
1910 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1911 IEEE80211_TX_CTL_REQ_TX_STATUS;
1912 bool is_offchan = false;
1914 /* Check that we are on the requested channel for transmission */
1915 if (chan != local->tmp_channel &&
1916 chan != local->oper_channel)
1918 if (channel_type_valid &&
1919 (channel_type != local->tmp_channel_type &&
1920 channel_type != local->_oper_channel_type))
1923 if (chan == local->hw_roc_channel) {
1924 /* TODO: check channel type? */
1926 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
1930 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
1932 if (is_offchan && !offchan)
1935 switch (sdata->vif.type) {
1936 case NL80211_IFTYPE_ADHOC:
1937 case NL80211_IFTYPE_AP:
1938 case NL80211_IFTYPE_AP_VLAN:
1939 case NL80211_IFTYPE_P2P_GO:
1940 case NL80211_IFTYPE_MESH_POINT:
1941 if (!ieee80211_is_action(mgmt->frame_control) ||
1942 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
1945 sta = sta_info_get(sdata, mgmt->da);
1950 case NL80211_IFTYPE_STATION:
1951 case NL80211_IFTYPE_P2P_CLIENT:
1957 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1960 skb_reserve(skb, local->hw.extra_tx_headroom);
1962 memcpy(skb_put(skb, len), buf, len);
1964 IEEE80211_SKB_CB(skb)->flags = flags;
1966 skb->dev = sdata->dev;
1968 *cookie = (unsigned long) skb;
1970 if (is_offchan && local->ops->remain_on_channel) {
1971 unsigned int duration;
1974 mutex_lock(&local->mtx);
1976 * If the duration is zero, then the driver
1977 * wouldn't actually do anything. Set it to
1980 * TODO: cancel the off-channel operation
1981 * when we get the SKB's TX status and
1982 * the wait time was zero before.
1987 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
1992 mutex_unlock(&local->mtx);
1996 local->hw_roc_for_tx = true;
1997 local->hw_roc_duration = wait;
2000 * queue up frame for transmission after
2001 * ieee80211_ready_on_channel call
2004 /* modify cookie to prevent API mismatches */
2006 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2007 local->hw_roc_skb = skb;
2008 local->hw_roc_skb_for_status = skb;
2009 mutex_unlock(&local->mtx);
2015 * Can transmit right away if the channel was the
2016 * right one and there's no wait involved... If a
2017 * wait is involved, we might otherwise not be on
2018 * the right channel for long enough!
2020 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2021 ieee80211_tx_skb(sdata, skb);
2025 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2031 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2033 wk->chan_type = channel_type;
2035 wk->done = ieee80211_offchan_tx_done;
2036 wk->offchan_tx.frame = skb;
2037 wk->offchan_tx.wait = wait;
2039 memcpy(wk->ie, buf, len);
2041 ieee80211_add_work(wk);
2045 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2046 struct net_device *dev,
2049 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2050 struct ieee80211_local *local = sdata->local;
2051 struct ieee80211_work *wk;
2054 mutex_lock(&local->mtx);
2056 if (local->ops->cancel_remain_on_channel) {
2058 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2061 kfree_skb(local->hw_roc_skb);
2062 local->hw_roc_skb = NULL;
2063 local->hw_roc_skb_for_status = NULL;
2066 mutex_unlock(&local->mtx);
2071 list_for_each_entry(wk, &local->work_list, list) {
2072 if (wk->sdata != sdata)
2075 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2078 if (cookie != (unsigned long) wk->offchan_tx.frame)
2081 wk->timeout = jiffies;
2083 ieee80211_queue_work(&local->hw, &local->work_work);
2087 mutex_unlock(&local->mtx);
2092 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2093 struct net_device *dev,
2094 u16 frame_type, bool reg)
2096 struct ieee80211_local *local = wiphy_priv(wiphy);
2098 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2102 local->probe_req_reg++;
2104 local->probe_req_reg--;
2106 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2109 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2111 struct ieee80211_local *local = wiphy_priv(wiphy);
2116 return drv_set_antenna(local, tx_ant, rx_ant);
2119 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2121 struct ieee80211_local *local = wiphy_priv(wiphy);
2123 return drv_get_antenna(local, tx_ant, rx_ant);
2126 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2128 struct ieee80211_local *local = wiphy_priv(wiphy);
2130 return drv_set_ringparam(local, tx, rx);
2133 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2134 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2136 struct ieee80211_local *local = wiphy_priv(wiphy);
2138 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2141 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2142 struct net_device *dev,
2143 struct cfg80211_gtk_rekey_data *data)
2145 struct ieee80211_local *local = wiphy_priv(wiphy);
2146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2148 if (!local->ops->set_rekey_data)
2151 drv_set_rekey_data(local, sdata, data);
2156 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2158 u8 *pos = (void *)skb_put(skb, 7);
2160 *pos++ = WLAN_EID_EXT_CAPABILITY;
2161 *pos++ = 5; /* len */
2166 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2169 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2171 struct ieee80211_local *local = sdata->local;
2175 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2178 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2179 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2180 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2181 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2186 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2187 u8 *peer, u8 *bssid)
2189 struct ieee80211_tdls_lnkie *lnkid;
2191 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2193 lnkid->ie_type = WLAN_EID_LINK_ID;
2194 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2196 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2197 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2198 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2202 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2203 u8 *peer, u8 action_code, u8 dialog_token,
2204 u16 status_code, struct sk_buff *skb)
2206 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2207 struct ieee80211_tdls_data *tf;
2209 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2211 memcpy(tf->da, peer, ETH_ALEN);
2212 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2213 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2214 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2216 switch (action_code) {
2217 case WLAN_TDLS_SETUP_REQUEST:
2218 tf->category = WLAN_CATEGORY_TDLS;
2219 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2221 skb_put(skb, sizeof(tf->u.setup_req));
2222 tf->u.setup_req.dialog_token = dialog_token;
2223 tf->u.setup_req.capability =
2224 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2226 ieee80211_add_srates_ie(&sdata->vif, skb);
2227 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2228 ieee80211_tdls_add_ext_capab(skb);
2230 case WLAN_TDLS_SETUP_RESPONSE:
2231 tf->category = WLAN_CATEGORY_TDLS;
2232 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2234 skb_put(skb, sizeof(tf->u.setup_resp));
2235 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2236 tf->u.setup_resp.dialog_token = dialog_token;
2237 tf->u.setup_resp.capability =
2238 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2240 ieee80211_add_srates_ie(&sdata->vif, skb);
2241 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2242 ieee80211_tdls_add_ext_capab(skb);
2244 case WLAN_TDLS_SETUP_CONFIRM:
2245 tf->category = WLAN_CATEGORY_TDLS;
2246 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2248 skb_put(skb, sizeof(tf->u.setup_cfm));
2249 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2250 tf->u.setup_cfm.dialog_token = dialog_token;
2252 case WLAN_TDLS_TEARDOWN:
2253 tf->category = WLAN_CATEGORY_TDLS;
2254 tf->action_code = WLAN_TDLS_TEARDOWN;
2256 skb_put(skb, sizeof(tf->u.teardown));
2257 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2259 case WLAN_TDLS_DISCOVERY_REQUEST:
2260 tf->category = WLAN_CATEGORY_TDLS;
2261 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2263 skb_put(skb, sizeof(tf->u.discover_req));
2264 tf->u.discover_req.dialog_token = dialog_token;
2274 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2275 u8 *peer, u8 action_code, u8 dialog_token,
2276 u16 status_code, struct sk_buff *skb)
2278 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2279 struct ieee80211_mgmt *mgmt;
2281 mgmt = (void *)skb_put(skb, 24);
2282 memset(mgmt, 0, 24);
2283 memcpy(mgmt->da, peer, ETH_ALEN);
2284 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2285 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2287 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2288 IEEE80211_STYPE_ACTION);
2290 switch (action_code) {
2291 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2292 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2293 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2294 mgmt->u.action.u.tdls_discover_resp.action_code =
2295 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2296 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2298 mgmt->u.action.u.tdls_discover_resp.capability =
2299 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2301 ieee80211_add_srates_ie(&sdata->vif, skb);
2302 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2303 ieee80211_tdls_add_ext_capab(skb);
2312 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2313 u8 *peer, u8 action_code, u8 dialog_token,
2314 u16 status_code, const u8 *extra_ies,
2315 size_t extra_ies_len)
2317 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2318 struct ieee80211_local *local = sdata->local;
2319 struct ieee80211_tx_info *info;
2320 struct sk_buff *skb = NULL;
2324 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2327 /* make sure we are in managed mode, and associated */
2328 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2329 !sdata->u.mgd.associated)
2332 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2333 printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
2336 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2337 max(sizeof(struct ieee80211_mgmt),
2338 sizeof(struct ieee80211_tdls_data)) +
2339 50 + /* supported rates */
2342 sizeof(struct ieee80211_tdls_lnkie));
2346 info = IEEE80211_SKB_CB(skb);
2347 skb_reserve(skb, local->hw.extra_tx_headroom);
2349 switch (action_code) {
2350 case WLAN_TDLS_SETUP_REQUEST:
2351 case WLAN_TDLS_SETUP_RESPONSE:
2352 case WLAN_TDLS_SETUP_CONFIRM:
2353 case WLAN_TDLS_TEARDOWN:
2354 case WLAN_TDLS_DISCOVERY_REQUEST:
2355 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2356 action_code, dialog_token,
2358 send_direct = false;
2360 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2361 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2362 dialog_token, status_code,
2375 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2377 /* the TDLS link IE is always added last */
2378 switch (action_code) {
2379 case WLAN_TDLS_SETUP_REQUEST:
2380 case WLAN_TDLS_SETUP_CONFIRM:
2381 case WLAN_TDLS_TEARDOWN:
2382 case WLAN_TDLS_DISCOVERY_REQUEST:
2383 /* we are the initiator */
2384 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2385 sdata->u.mgd.bssid);
2387 case WLAN_TDLS_SETUP_RESPONSE:
2388 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2389 /* we are the responder */
2390 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2391 sdata->u.mgd.bssid);
2399 ieee80211_tx_skb(sdata, skb);
2404 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2405 * we should default to AC_VI.
2407 switch (action_code) {
2408 case WLAN_TDLS_SETUP_REQUEST:
2409 case WLAN_TDLS_SETUP_RESPONSE:
2410 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2414 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2419 /* disable bottom halves when entering the Tx path */
2421 ret = ieee80211_subif_start_xmit(skb, dev);
2431 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2432 u8 *peer, enum nl80211_tdls_operation oper)
2434 struct sta_info *sta;
2435 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2437 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2440 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2443 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2444 printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
2448 case NL80211_TDLS_ENABLE_LINK:
2450 sta = sta_info_get(sdata, peer);
2456 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
2459 case NL80211_TDLS_DISABLE_LINK:
2460 return sta_info_destroy_addr(sdata, peer);
2461 case NL80211_TDLS_TEARDOWN:
2462 case NL80211_TDLS_SETUP:
2463 case NL80211_TDLS_DISCOVERY_REQ:
2464 /* We don't support in-driver setup/teardown/discovery */
2473 struct cfg80211_ops mac80211_config_ops = {
2474 .add_virtual_intf = ieee80211_add_iface,
2475 .del_virtual_intf = ieee80211_del_iface,
2476 .change_virtual_intf = ieee80211_change_iface,
2477 .add_key = ieee80211_add_key,
2478 .del_key = ieee80211_del_key,
2479 .get_key = ieee80211_get_key,
2480 .set_default_key = ieee80211_config_default_key,
2481 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
2482 .add_beacon = ieee80211_add_beacon,
2483 .set_beacon = ieee80211_set_beacon,
2484 .del_beacon = ieee80211_del_beacon,
2485 .add_station = ieee80211_add_station,
2486 .del_station = ieee80211_del_station,
2487 .change_station = ieee80211_change_station,
2488 .get_station = ieee80211_get_station,
2489 .dump_station = ieee80211_dump_station,
2490 .dump_survey = ieee80211_dump_survey,
2491 #ifdef CONFIG_MAC80211_MESH
2492 .add_mpath = ieee80211_add_mpath,
2493 .del_mpath = ieee80211_del_mpath,
2494 .change_mpath = ieee80211_change_mpath,
2495 .get_mpath = ieee80211_get_mpath,
2496 .dump_mpath = ieee80211_dump_mpath,
2497 .update_mesh_config = ieee80211_update_mesh_config,
2498 .get_mesh_config = ieee80211_get_mesh_config,
2499 .join_mesh = ieee80211_join_mesh,
2500 .leave_mesh = ieee80211_leave_mesh,
2502 .change_bss = ieee80211_change_bss,
2503 .set_txq_params = ieee80211_set_txq_params,
2504 .set_channel = ieee80211_set_channel,
2505 .suspend = ieee80211_suspend,
2506 .resume = ieee80211_resume,
2507 .scan = ieee80211_scan,
2508 .sched_scan_start = ieee80211_sched_scan_start,
2509 .sched_scan_stop = ieee80211_sched_scan_stop,
2510 .auth = ieee80211_auth,
2511 .assoc = ieee80211_assoc,
2512 .deauth = ieee80211_deauth,
2513 .disassoc = ieee80211_disassoc,
2514 .join_ibss = ieee80211_join_ibss,
2515 .leave_ibss = ieee80211_leave_ibss,
2516 .set_wiphy_params = ieee80211_set_wiphy_params,
2517 .set_tx_power = ieee80211_set_tx_power,
2518 .get_tx_power = ieee80211_get_tx_power,
2519 .set_wds_peer = ieee80211_set_wds_peer,
2520 .rfkill_poll = ieee80211_rfkill_poll,
2521 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
2522 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
2523 .set_power_mgmt = ieee80211_set_power_mgmt,
2524 .set_bitrate_mask = ieee80211_set_bitrate_mask,
2525 .remain_on_channel = ieee80211_remain_on_channel,
2526 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2527 .mgmt_tx = ieee80211_mgmt_tx,
2528 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
2529 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2530 .mgmt_frame_register = ieee80211_mgmt_frame_register,
2531 .set_antenna = ieee80211_set_antenna,
2532 .get_antenna = ieee80211_get_antenna,
2533 .set_ringparam = ieee80211_set_ringparam,
2534 .get_ringparam = ieee80211_get_ringparam,
2535 .set_rekey_data = ieee80211_set_rekey_data,
2536 .tdls_oper = ieee80211_tdls_oper,
2537 .tdls_mgmt = ieee80211_tdls_mgmt,