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_set_noack_map(struct wiphy *wiphy,
106 struct net_device *dev,
109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
111 sdata->noack_map = noack_map;
115 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
116 u8 key_idx, bool pairwise, const u8 *mac_addr,
117 struct key_params *params)
119 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
120 struct sta_info *sta = NULL;
121 struct ieee80211_key *key;
124 if (!ieee80211_sdata_running(sdata))
127 /* reject WEP and TKIP keys if WEP failed to initialize */
128 switch (params->cipher) {
129 case WLAN_CIPHER_SUITE_WEP40:
130 case WLAN_CIPHER_SUITE_TKIP:
131 case WLAN_CIPHER_SUITE_WEP104:
132 if (IS_ERR(sdata->local->wep_tx_tfm))
139 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
140 params->key, params->seq_len, params->seq);
145 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
147 mutex_lock(&sdata->local->sta_mtx);
150 if (ieee80211_vif_is_mesh(&sdata->vif))
151 sta = sta_info_get(sdata, mac_addr);
153 sta = sta_info_get_bss(sdata, mac_addr);
155 ieee80211_key_free(sdata->local, key);
161 err = ieee80211_key_link(key, sdata, sta);
163 ieee80211_key_free(sdata->local, key);
166 mutex_unlock(&sdata->local->sta_mtx);
171 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
172 u8 key_idx, bool pairwise, const u8 *mac_addr)
174 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
175 struct ieee80211_local *local = sdata->local;
176 struct sta_info *sta;
177 struct ieee80211_key *key = NULL;
180 mutex_lock(&local->sta_mtx);
181 mutex_lock(&local->key_mtx);
186 sta = sta_info_get_bss(sdata, mac_addr);
191 key = key_mtx_dereference(local, sta->ptk);
193 key = key_mtx_dereference(local, sta->gtk[key_idx]);
195 key = key_mtx_dereference(local, sdata->keys[key_idx]);
202 __ieee80211_key_free(key);
206 mutex_unlock(&local->key_mtx);
207 mutex_unlock(&local->sta_mtx);
212 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
213 u8 key_idx, bool pairwise, const u8 *mac_addr,
215 void (*callback)(void *cookie,
216 struct key_params *params))
218 struct ieee80211_sub_if_data *sdata;
219 struct sta_info *sta = NULL;
221 struct key_params params;
222 struct ieee80211_key *key = NULL;
228 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
233 sta = sta_info_get_bss(sdata, mac_addr);
238 key = rcu_dereference(sta->ptk);
239 else if (key_idx < NUM_DEFAULT_KEYS)
240 key = rcu_dereference(sta->gtk[key_idx]);
242 key = rcu_dereference(sdata->keys[key_idx]);
247 memset(¶ms, 0, sizeof(params));
249 params.cipher = key->conf.cipher;
251 switch (key->conf.cipher) {
252 case WLAN_CIPHER_SUITE_TKIP:
253 iv32 = key->u.tkip.tx.iv32;
254 iv16 = key->u.tkip.tx.iv16;
256 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
257 drv_get_tkip_seq(sdata->local,
258 key->conf.hw_key_idx,
261 seq[0] = iv16 & 0xff;
262 seq[1] = (iv16 >> 8) & 0xff;
263 seq[2] = iv32 & 0xff;
264 seq[3] = (iv32 >> 8) & 0xff;
265 seq[4] = (iv32 >> 16) & 0xff;
266 seq[5] = (iv32 >> 24) & 0xff;
270 case WLAN_CIPHER_SUITE_CCMP:
271 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
281 case WLAN_CIPHER_SUITE_AES_CMAC:
282 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
294 params.key = key->conf.key;
295 params.key_len = key->conf.keylen;
297 callback(cookie, ¶ms);
305 static int ieee80211_config_default_key(struct wiphy *wiphy,
306 struct net_device *dev,
307 u8 key_idx, bool uni,
310 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
312 ieee80211_set_default_key(sdata, key_idx, uni, multi);
317 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
318 struct net_device *dev,
321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
323 ieee80211_set_default_mgmt_key(sdata, key_idx);
328 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
330 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
331 struct ieee80211_supported_band *sband;
332 sband = sta->local->hw.wiphy->bands[
333 sta->local->hw.conf.channel->band];
334 rate->legacy = sband->bitrates[idx].bitrate;
339 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
341 struct ieee80211_sub_if_data *sdata = sta->sdata;
342 struct timespec uptime;
344 sinfo->generation = sdata->local->sta_generation;
346 sinfo->filled = STATION_INFO_INACTIVE_TIME |
347 STATION_INFO_RX_BYTES |
348 STATION_INFO_TX_BYTES |
349 STATION_INFO_RX_PACKETS |
350 STATION_INFO_TX_PACKETS |
351 STATION_INFO_TX_RETRIES |
352 STATION_INFO_TX_FAILED |
353 STATION_INFO_TX_BITRATE |
354 STATION_INFO_RX_BITRATE |
355 STATION_INFO_RX_DROP_MISC |
356 STATION_INFO_BSS_PARAM |
357 STATION_INFO_CONNECTED_TIME |
358 STATION_INFO_STA_FLAGS |
359 STATION_INFO_BEACON_LOSS_COUNT;
361 do_posix_clock_monotonic_gettime(&uptime);
362 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
364 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
365 sinfo->rx_bytes = sta->rx_bytes;
366 sinfo->tx_bytes = sta->tx_bytes;
367 sinfo->rx_packets = sta->rx_packets;
368 sinfo->tx_packets = sta->tx_packets;
369 sinfo->tx_retries = sta->tx_retry_count;
370 sinfo->tx_failed = sta->tx_retry_failed;
371 sinfo->rx_dropped_misc = sta->rx_dropped;
372 sinfo->beacon_loss_count = sta->beacon_loss_count;
374 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
375 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
376 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
377 sinfo->signal = (s8)sta->last_signal;
378 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
381 sinfo->txrate.flags = 0;
382 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
383 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
384 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
385 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
386 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
387 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
388 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
390 sinfo->rxrate.flags = 0;
391 if (sta->last_rx_rate_flag & RX_FLAG_HT)
392 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
393 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
394 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
395 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
396 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
397 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
399 if (ieee80211_vif_is_mesh(&sdata->vif)) {
400 #ifdef CONFIG_MAC80211_MESH
401 sinfo->filled |= STATION_INFO_LLID |
403 STATION_INFO_PLINK_STATE;
405 sinfo->llid = le16_to_cpu(sta->llid);
406 sinfo->plid = le16_to_cpu(sta->plid);
407 sinfo->plink_state = sta->plink_state;
411 sinfo->bss_param.flags = 0;
412 if (sdata->vif.bss_conf.use_cts_prot)
413 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
414 if (sdata->vif.bss_conf.use_short_preamble)
415 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
416 if (sdata->vif.bss_conf.use_short_slot)
417 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
418 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
419 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
421 sinfo->sta_flags.set = 0;
422 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
423 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
424 BIT(NL80211_STA_FLAG_WME) |
425 BIT(NL80211_STA_FLAG_MFP) |
426 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
427 BIT(NL80211_STA_FLAG_TDLS_PEER);
428 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
429 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
430 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
431 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
432 if (test_sta_flag(sta, WLAN_STA_WME))
433 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
434 if (test_sta_flag(sta, WLAN_STA_MFP))
435 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
436 if (test_sta_flag(sta, WLAN_STA_AUTH))
437 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
438 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
439 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
443 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
444 int idx, u8 *mac, struct station_info *sinfo)
446 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
447 struct sta_info *sta;
452 sta = sta_info_get_by_idx(sdata, idx);
455 memcpy(mac, sta->sta.addr, ETH_ALEN);
456 sta_set_sinfo(sta, sinfo);
464 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
465 int idx, struct survey_info *survey)
467 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
469 return drv_get_survey(local, idx, survey);
472 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
473 u8 *mac, struct station_info *sinfo)
475 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
476 struct sta_info *sta;
481 sta = sta_info_get_bss(sdata, mac);
484 sta_set_sinfo(sta, sinfo);
492 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
493 const u8 *resp, size_t resp_len)
495 struct sk_buff *new, *old;
497 if (!resp || !resp_len)
500 old = rtnl_dereference(sdata->u.ap.probe_resp);
502 new = dev_alloc_skb(resp_len);
506 memcpy(skb_put(new, resp_len), resp, resp_len);
508 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
510 /* TODO: use call_rcu() */
518 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
519 struct cfg80211_beacon_data *params)
521 struct beacon_data *new, *old;
522 int new_head_len, new_tail_len;
524 u32 changed = BSS_CHANGED_BEACON;
526 old = rtnl_dereference(sdata->u.ap.beacon);
528 /* Need to have a beacon head if we don't have one yet */
529 if (!params->head && !old)
532 /* new or old head? */
534 new_head_len = params->head_len;
536 new_head_len = old->head_len;
538 /* new or old tail? */
539 if (params->tail || !old)
540 /* params->tail_len will be zero for !params->tail */
541 new_tail_len = params->tail_len;
543 new_tail_len = old->tail_len;
545 size = sizeof(*new) + new_head_len + new_tail_len;
547 new = kzalloc(size, GFP_KERNEL);
551 /* start filling the new info now */
554 * pointers go into the block we allocated,
555 * memory is | beacon_data | head | tail |
557 new->head = ((u8 *) new) + sizeof(*new);
558 new->tail = new->head + new_head_len;
559 new->head_len = new_head_len;
560 new->tail_len = new_tail_len;
564 memcpy(new->head, params->head, new_head_len);
566 memcpy(new->head, old->head, new_head_len);
568 /* copy in optional tail */
570 memcpy(new->tail, params->tail, new_tail_len);
573 memcpy(new->tail, old->tail, new_tail_len);
575 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
576 params->probe_resp_len);
580 changed |= BSS_CHANGED_AP_PROBE_RESP;
582 rcu_assign_pointer(sdata->u.ap.beacon, new);
585 kfree_rcu(old, rcu_head);
590 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
591 struct cfg80211_ap_settings *params)
593 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
594 struct beacon_data *old;
595 struct ieee80211_sub_if_data *vlan;
596 u32 changed = BSS_CHANGED_BEACON_INT |
597 BSS_CHANGED_BEACON_ENABLED |
602 old = rtnl_dereference(sdata->u.ap.beacon);
607 * Apply control port protocol, this allows us to
608 * not encrypt dynamic WEP control frames.
610 sdata->control_port_protocol = params->crypto.control_port_ethertype;
611 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
612 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
613 vlan->control_port_protocol =
614 params->crypto.control_port_ethertype;
615 vlan->control_port_no_encrypt =
616 params->crypto.control_port_no_encrypt;
619 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
620 sdata->vif.bss_conf.dtim_period = params->dtim_period;
622 sdata->vif.bss_conf.ssid_len = params->ssid_len;
623 if (params->ssid_len)
624 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
626 sdata->vif.bss_conf.hidden_ssid =
627 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
629 err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
634 ieee80211_bss_info_change_notify(sdata, changed);
639 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
640 struct cfg80211_beacon_data *params)
642 struct ieee80211_sub_if_data *sdata;
643 struct beacon_data *old;
646 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
648 old = rtnl_dereference(sdata->u.ap.beacon);
652 err = ieee80211_assign_beacon(sdata, params);
655 ieee80211_bss_info_change_notify(sdata, err);
659 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
661 struct ieee80211_sub_if_data *sdata;
662 struct beacon_data *old;
664 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
666 old = rtnl_dereference(sdata->u.ap.beacon);
670 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
672 kfree_rcu(old, rcu_head);
674 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
679 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
680 struct iapp_layer2_update {
681 u8 da[ETH_ALEN]; /* broadcast */
682 u8 sa[ETH_ALEN]; /* STA addr */
690 static void ieee80211_send_layer2_update(struct sta_info *sta)
692 struct iapp_layer2_update *msg;
695 /* Send Level 2 Update Frame to update forwarding tables in layer 2
698 skb = dev_alloc_skb(sizeof(*msg));
701 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
703 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
704 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
706 memset(msg->da, 0xff, ETH_ALEN);
707 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
710 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
711 msg->control = 0xaf; /* XID response lsb.1111F101.
712 * F=0 (no poll command; unsolicited frame) */
713 msg->xid_info[0] = 0x81; /* XID format identifier */
714 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
715 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
717 skb->dev = sta->sdata->dev;
718 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
719 memset(skb->cb, 0, sizeof(skb->cb));
723 static int sta_apply_parameters(struct ieee80211_local *local,
724 struct sta_info *sta,
725 struct station_parameters *params)
730 struct ieee80211_supported_band *sband;
731 struct ieee80211_sub_if_data *sdata = sta->sdata;
734 sband = local->hw.wiphy->bands[local->oper_channel->band];
736 mask = params->sta_flags_mask;
737 set = params->sta_flags_set;
740 * In mesh mode, we can clear AUTHENTICATED flag but must
741 * also make ASSOCIATED follow appropriately for the driver
742 * API. See also below, after AUTHORIZED changes.
744 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
745 /* cfg80211 should not allow this in non-mesh modes */
746 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
749 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
750 !test_sta_flag(sta, WLAN_STA_AUTH)) {
751 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
754 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
760 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
761 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
762 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
763 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
764 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
769 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
770 /* cfg80211 should not allow this in non-mesh modes */
771 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
774 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
775 test_sta_flag(sta, WLAN_STA_AUTH)) {
776 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
779 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
786 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
787 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
788 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
790 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
793 if (mask & BIT(NL80211_STA_FLAG_WME)) {
794 if (set & BIT(NL80211_STA_FLAG_WME)) {
795 set_sta_flag(sta, WLAN_STA_WME);
798 clear_sta_flag(sta, WLAN_STA_WME);
799 sta->sta.wme = false;
803 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
804 if (set & BIT(NL80211_STA_FLAG_MFP))
805 set_sta_flag(sta, WLAN_STA_MFP);
807 clear_sta_flag(sta, WLAN_STA_MFP);
810 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
811 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
812 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
814 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
817 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
818 sta->sta.uapsd_queues = params->uapsd_queues;
819 sta->sta.max_sp = params->max_sp;
823 * cfg80211 validates this (1-2007) and allows setting the AID
824 * only when creating a new station entry
827 sta->sta.aid = params->aid;
830 * FIXME: updating the following information is racy when this
831 * function is called from ieee80211_change_station().
832 * However, all this information should be static so
833 * maybe we should just reject attemps to change it.
836 if (params->listen_interval >= 0)
837 sta->listen_interval = params->listen_interval;
839 if (params->supported_rates) {
842 for (i = 0; i < params->supported_rates_len; i++) {
843 int rate = (params->supported_rates[i] & 0x7f) * 5;
844 for (j = 0; j < sband->n_bitrates; j++) {
845 if (sband->bitrates[j].bitrate == rate)
849 sta->sta.supp_rates[local->oper_channel->band] = rates;
853 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
857 if (ieee80211_vif_is_mesh(&sdata->vif)) {
858 #ifdef CONFIG_MAC80211_MESH
859 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
860 switch (params->plink_state) {
861 case NL80211_PLINK_LISTEN:
862 case NL80211_PLINK_ESTAB:
863 case NL80211_PLINK_BLOCKED:
864 sta->plink_state = params->plink_state;
871 switch (params->plink_action) {
872 case PLINK_ACTION_OPEN:
873 mesh_plink_open(sta);
875 case PLINK_ACTION_BLOCK:
876 mesh_plink_block(sta);
885 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
886 u8 *mac, struct station_parameters *params)
888 struct ieee80211_local *local = wiphy_priv(wiphy);
889 struct sta_info *sta;
890 struct ieee80211_sub_if_data *sdata;
895 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
897 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
898 sdata->vif.type != NL80211_IFTYPE_AP)
901 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
903 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
906 if (is_multicast_ether_addr(mac))
909 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
913 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
914 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
916 err = sta_apply_parameters(local, sta, params);
918 sta_info_free(local, sta);
923 * for TDLS, rate control should be initialized only when supported
926 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
927 rate_control_rate_init(sta);
929 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
930 sdata->vif.type == NL80211_IFTYPE_AP;
932 err = sta_info_insert_rcu(sta);
939 ieee80211_send_layer2_update(sta);
946 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
949 struct ieee80211_local *local = wiphy_priv(wiphy);
950 struct ieee80211_sub_if_data *sdata;
952 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
955 return sta_info_destroy_addr_bss(sdata, mac);
957 sta_info_flush(local, sdata);
961 static int ieee80211_change_station(struct wiphy *wiphy,
962 struct net_device *dev,
964 struct station_parameters *params)
966 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
967 struct ieee80211_local *local = wiphy_priv(wiphy);
968 struct sta_info *sta;
969 struct ieee80211_sub_if_data *vlansdata;
972 mutex_lock(&local->sta_mtx);
974 sta = sta_info_get_bss(sdata, mac);
976 mutex_unlock(&local->sta_mtx);
980 /* in station mode, supported rates are only valid with TDLS */
981 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
982 params->supported_rates &&
983 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
984 mutex_unlock(&local->sta_mtx);
988 if (params->vlan && params->vlan != sta->sdata->dev) {
989 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
991 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
992 vlansdata->vif.type != NL80211_IFTYPE_AP) {
993 mutex_unlock(&local->sta_mtx);
997 if (params->vlan->ieee80211_ptr->use_4addr) {
998 if (vlansdata->u.vlan.sta) {
999 mutex_unlock(&local->sta_mtx);
1003 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1006 sta->sdata = vlansdata;
1007 ieee80211_send_layer2_update(sta);
1010 err = sta_apply_parameters(local, sta, params);
1012 mutex_unlock(&local->sta_mtx);
1016 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1017 rate_control_rate_init(sta);
1019 mutex_unlock(&local->sta_mtx);
1021 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1022 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1023 ieee80211_recalc_ps(local, -1);
1028 #ifdef CONFIG_MAC80211_MESH
1029 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1030 u8 *dst, u8 *next_hop)
1032 struct ieee80211_sub_if_data *sdata;
1033 struct mesh_path *mpath;
1034 struct sta_info *sta;
1037 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1040 sta = sta_info_get(sdata, next_hop);
1046 err = mesh_path_add(dst, sdata);
1052 mpath = mesh_path_lookup(dst, sdata);
1057 mesh_path_fix_nexthop(mpath, sta);
1063 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1066 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1069 return mesh_path_del(dst, sdata);
1071 mesh_path_flush_by_iface(sdata);
1075 static int ieee80211_change_mpath(struct wiphy *wiphy,
1076 struct net_device *dev,
1077 u8 *dst, u8 *next_hop)
1079 struct ieee80211_sub_if_data *sdata;
1080 struct mesh_path *mpath;
1081 struct sta_info *sta;
1083 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1087 sta = sta_info_get(sdata, next_hop);
1093 mpath = mesh_path_lookup(dst, sdata);
1099 mesh_path_fix_nexthop(mpath, sta);
1105 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1106 struct mpath_info *pinfo)
1108 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1111 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1113 memset(next_hop, 0, ETH_ALEN);
1115 pinfo->generation = mesh_paths_generation;
1117 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1120 MPATH_INFO_EXPTIME |
1121 MPATH_INFO_DISCOVERY_TIMEOUT |
1122 MPATH_INFO_DISCOVERY_RETRIES |
1125 pinfo->frame_qlen = mpath->frame_queue.qlen;
1126 pinfo->sn = mpath->sn;
1127 pinfo->metric = mpath->metric;
1128 if (time_before(jiffies, mpath->exp_time))
1129 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1130 pinfo->discovery_timeout =
1131 jiffies_to_msecs(mpath->discovery_timeout);
1132 pinfo->discovery_retries = mpath->discovery_retries;
1134 if (mpath->flags & MESH_PATH_ACTIVE)
1135 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1136 if (mpath->flags & MESH_PATH_RESOLVING)
1137 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1138 if (mpath->flags & MESH_PATH_SN_VALID)
1139 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1140 if (mpath->flags & MESH_PATH_FIXED)
1141 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1142 if (mpath->flags & MESH_PATH_RESOLVING)
1143 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1145 pinfo->flags = mpath->flags;
1148 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1149 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1152 struct ieee80211_sub_if_data *sdata;
1153 struct mesh_path *mpath;
1155 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1158 mpath = mesh_path_lookup(dst, sdata);
1163 memcpy(dst, mpath->dst, ETH_ALEN);
1164 mpath_set_pinfo(mpath, next_hop, pinfo);
1169 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1170 int idx, u8 *dst, u8 *next_hop,
1171 struct mpath_info *pinfo)
1173 struct ieee80211_sub_if_data *sdata;
1174 struct mesh_path *mpath;
1176 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1179 mpath = mesh_path_lookup_by_idx(idx, sdata);
1184 memcpy(dst, mpath->dst, ETH_ALEN);
1185 mpath_set_pinfo(mpath, next_hop, pinfo);
1190 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1191 struct net_device *dev,
1192 struct mesh_config *conf)
1194 struct ieee80211_sub_if_data *sdata;
1195 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1197 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1201 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1203 return (mask >> (parm-1)) & 0x1;
1206 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1207 const struct mesh_setup *setup)
1211 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1212 struct ieee80211_sub_if_data, u.mesh);
1214 /* allocate information elements */
1218 if (setup->ie_len) {
1219 new_ie = kmemdup(setup->ie, setup->ie_len,
1224 ifmsh->ie_len = setup->ie_len;
1228 /* now copy the rest of the setup parameters */
1229 ifmsh->mesh_id_len = setup->mesh_id_len;
1230 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1231 ifmsh->mesh_pp_id = setup->path_sel_proto;
1232 ifmsh->mesh_pm_id = setup->path_metric;
1233 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1234 if (setup->is_authenticated)
1235 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1236 if (setup->is_secure)
1237 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1239 /* mcast rate setting in Mesh Node */
1240 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1241 sizeof(setup->mcast_rate));
1246 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1247 struct net_device *dev, u32 mask,
1248 const struct mesh_config *nconf)
1250 struct mesh_config *conf;
1251 struct ieee80211_sub_if_data *sdata;
1252 struct ieee80211_if_mesh *ifmsh;
1254 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1255 ifmsh = &sdata->u.mesh;
1257 /* Set the config options which we are interested in setting */
1258 conf = &(sdata->u.mesh.mshcfg);
1259 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1260 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1261 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1262 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1263 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1264 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1265 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1266 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1267 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1268 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1269 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1270 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1271 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1272 conf->dot11MeshTTL = nconf->element_ttl;
1273 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1274 conf->auto_open_plinks = nconf->auto_open_plinks;
1275 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1276 conf->dot11MeshHWMPmaxPREQretries =
1277 nconf->dot11MeshHWMPmaxPREQretries;
1278 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1279 conf->path_refresh_time = nconf->path_refresh_time;
1280 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1281 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1282 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1283 conf->dot11MeshHWMPactivePathTimeout =
1284 nconf->dot11MeshHWMPactivePathTimeout;
1285 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1286 conf->dot11MeshHWMPpreqMinInterval =
1287 nconf->dot11MeshHWMPpreqMinInterval;
1288 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1289 conf->dot11MeshHWMPperrMinInterval =
1290 nconf->dot11MeshHWMPperrMinInterval;
1291 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1293 conf->dot11MeshHWMPnetDiameterTraversalTime =
1294 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1295 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1296 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1297 ieee80211_mesh_root_setup(ifmsh);
1299 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1300 /* our current gate announcement implementation rides on root
1301 * announcements, so require this ifmsh to also be a root node
1303 if (nconf->dot11MeshGateAnnouncementProtocol &&
1304 !conf->dot11MeshHWMPRootMode) {
1305 conf->dot11MeshHWMPRootMode = 1;
1306 ieee80211_mesh_root_setup(ifmsh);
1308 conf->dot11MeshGateAnnouncementProtocol =
1309 nconf->dot11MeshGateAnnouncementProtocol;
1311 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1312 conf->dot11MeshHWMPRannInterval =
1313 nconf->dot11MeshHWMPRannInterval;
1315 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1316 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1320 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1321 const struct mesh_config *conf,
1322 const struct mesh_setup *setup)
1324 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1325 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1328 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1329 err = copy_mesh_setup(ifmsh, setup);
1332 ieee80211_start_mesh(sdata);
1337 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1339 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1341 ieee80211_stop_mesh(sdata);
1347 static int ieee80211_change_bss(struct wiphy *wiphy,
1348 struct net_device *dev,
1349 struct bss_parameters *params)
1351 struct ieee80211_sub_if_data *sdata;
1354 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1356 if (params->use_cts_prot >= 0) {
1357 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1358 changed |= BSS_CHANGED_ERP_CTS_PROT;
1360 if (params->use_short_preamble >= 0) {
1361 sdata->vif.bss_conf.use_short_preamble =
1362 params->use_short_preamble;
1363 changed |= BSS_CHANGED_ERP_PREAMBLE;
1366 if (!sdata->vif.bss_conf.use_short_slot &&
1367 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1368 sdata->vif.bss_conf.use_short_slot = true;
1369 changed |= BSS_CHANGED_ERP_SLOT;
1372 if (params->use_short_slot_time >= 0) {
1373 sdata->vif.bss_conf.use_short_slot =
1374 params->use_short_slot_time;
1375 changed |= BSS_CHANGED_ERP_SLOT;
1378 if (params->basic_rates) {
1381 struct ieee80211_local *local = wiphy_priv(wiphy);
1382 struct ieee80211_supported_band *sband =
1383 wiphy->bands[local->oper_channel->band];
1385 for (i = 0; i < params->basic_rates_len; i++) {
1386 int rate = (params->basic_rates[i] & 0x7f) * 5;
1387 for (j = 0; j < sband->n_bitrates; j++) {
1388 if (sband->bitrates[j].bitrate == rate)
1392 sdata->vif.bss_conf.basic_rates = rates;
1393 changed |= BSS_CHANGED_BASIC_RATES;
1396 if (params->ap_isolate >= 0) {
1397 if (params->ap_isolate)
1398 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1400 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1403 if (params->ht_opmode >= 0) {
1404 sdata->vif.bss_conf.ht_operation_mode =
1405 (u16) params->ht_opmode;
1406 changed |= BSS_CHANGED_HT;
1409 ieee80211_bss_info_change_notify(sdata, changed);
1414 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1415 struct net_device *dev,
1416 struct ieee80211_txq_params *params)
1418 struct ieee80211_local *local = wiphy_priv(wiphy);
1419 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1420 struct ieee80211_tx_queue_params p;
1422 if (!local->ops->conf_tx)
1425 memset(&p, 0, sizeof(p));
1426 p.aifs = params->aifs;
1427 p.cw_max = params->cwmax;
1428 p.cw_min = params->cwmin;
1429 p.txop = params->txop;
1432 * Setting tx queue params disables u-apsd because it's only
1433 * called in master mode.
1437 if (params->queue >= local->hw.queues)
1440 sdata->tx_conf[params->queue] = p;
1441 if (drv_conf_tx(local, sdata, params->queue, &p)) {
1442 wiphy_debug(local->hw.wiphy,
1443 "failed to set TX queue parameters for queue %d\n",
1451 static int ieee80211_set_channel(struct wiphy *wiphy,
1452 struct net_device *netdev,
1453 struct ieee80211_channel *chan,
1454 enum nl80211_channel_type channel_type)
1456 struct ieee80211_local *local = wiphy_priv(wiphy);
1457 struct ieee80211_sub_if_data *sdata = NULL;
1458 struct ieee80211_channel *old_oper;
1459 enum nl80211_channel_type old_oper_type;
1460 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
1463 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1465 switch (ieee80211_get_channel_mode(local, NULL)) {
1466 case CHAN_MODE_HOPPING:
1468 case CHAN_MODE_FIXED:
1469 if (local->oper_channel != chan)
1471 if (!sdata && local->_oper_channel_type == channel_type)
1474 case CHAN_MODE_UNDEFINED:
1479 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1480 old_oper_type = local->_oper_channel_type;
1482 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1485 old_oper = local->oper_channel;
1486 local->oper_channel = chan;
1488 /* Update driver if changes were actually made. */
1489 if ((old_oper != local->oper_channel) ||
1490 (old_oper_type != local->_oper_channel_type))
1491 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1493 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR &&
1494 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
1495 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1501 static int ieee80211_suspend(struct wiphy *wiphy,
1502 struct cfg80211_wowlan *wowlan)
1504 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1507 static int ieee80211_resume(struct wiphy *wiphy)
1509 return __ieee80211_resume(wiphy_priv(wiphy));
1512 #define ieee80211_suspend NULL
1513 #define ieee80211_resume NULL
1516 static int ieee80211_scan(struct wiphy *wiphy,
1517 struct net_device *dev,
1518 struct cfg80211_scan_request *req)
1520 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1522 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1523 case NL80211_IFTYPE_STATION:
1524 case NL80211_IFTYPE_ADHOC:
1525 case NL80211_IFTYPE_MESH_POINT:
1526 case NL80211_IFTYPE_P2P_CLIENT:
1528 case NL80211_IFTYPE_P2P_GO:
1529 if (sdata->local->ops->hw_scan)
1532 * FIXME: implement NoA while scanning in software,
1533 * for now fall through to allow scanning only when
1534 * beaconing hasn't been configured yet
1536 case NL80211_IFTYPE_AP:
1537 if (sdata->u.ap.beacon)
1544 return ieee80211_request_scan(sdata, req);
1548 ieee80211_sched_scan_start(struct wiphy *wiphy,
1549 struct net_device *dev,
1550 struct cfg80211_sched_scan_request *req)
1552 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1554 if (!sdata->local->ops->sched_scan_start)
1557 return ieee80211_request_sched_scan_start(sdata, req);
1561 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
1563 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1565 if (!sdata->local->ops->sched_scan_stop)
1568 return ieee80211_request_sched_scan_stop(sdata);
1571 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1572 struct cfg80211_auth_request *req)
1574 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1577 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1578 struct cfg80211_assoc_request *req)
1580 struct ieee80211_local *local = wiphy_priv(wiphy);
1581 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1583 switch (ieee80211_get_channel_mode(local, sdata)) {
1584 case CHAN_MODE_HOPPING:
1586 case CHAN_MODE_FIXED:
1587 if (local->oper_channel == req->bss->channel)
1590 case CHAN_MODE_UNDEFINED:
1594 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1597 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1598 struct cfg80211_deauth_request *req,
1601 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1605 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1606 struct cfg80211_disassoc_request *req,
1609 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1613 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1614 struct cfg80211_ibss_params *params)
1616 struct ieee80211_local *local = wiphy_priv(wiphy);
1617 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1619 switch (ieee80211_get_channel_mode(local, sdata)) {
1620 case CHAN_MODE_HOPPING:
1622 case CHAN_MODE_FIXED:
1623 if (!params->channel_fixed)
1625 if (local->oper_channel == params->channel)
1628 case CHAN_MODE_UNDEFINED:
1632 return ieee80211_ibss_join(sdata, params);
1635 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1637 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1639 return ieee80211_ibss_leave(sdata);
1642 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1644 struct ieee80211_local *local = wiphy_priv(wiphy);
1647 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1648 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1654 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1655 err = drv_set_coverage_class(local, wiphy->coverage_class);
1661 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1662 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1668 if (changed & WIPHY_PARAM_RETRY_SHORT)
1669 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1670 if (changed & WIPHY_PARAM_RETRY_LONG)
1671 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1673 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1674 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1679 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1680 enum nl80211_tx_power_setting type, int mbm)
1682 struct ieee80211_local *local = wiphy_priv(wiphy);
1683 struct ieee80211_channel *chan = local->hw.conf.channel;
1687 case NL80211_TX_POWER_AUTOMATIC:
1688 local->user_power_level = -1;
1690 case NL80211_TX_POWER_LIMITED:
1691 if (mbm < 0 || (mbm % 100))
1693 local->user_power_level = MBM_TO_DBM(mbm);
1695 case NL80211_TX_POWER_FIXED:
1696 if (mbm < 0 || (mbm % 100))
1698 /* TODO: move to cfg80211 when it knows the channel */
1699 if (MBM_TO_DBM(mbm) > chan->max_power)
1701 local->user_power_level = MBM_TO_DBM(mbm);
1705 ieee80211_hw_config(local, changes);
1710 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1712 struct ieee80211_local *local = wiphy_priv(wiphy);
1714 *dbm = local->hw.conf.power_level;
1719 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1722 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1724 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1729 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1731 struct ieee80211_local *local = wiphy_priv(wiphy);
1733 drv_rfkill_poll(local);
1736 #ifdef CONFIG_NL80211_TESTMODE
1737 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1739 struct ieee80211_local *local = wiphy_priv(wiphy);
1741 if (!local->ops->testmode_cmd)
1744 return local->ops->testmode_cmd(&local->hw, data, len);
1747 static int ieee80211_testmode_dump(struct wiphy *wiphy,
1748 struct sk_buff *skb,
1749 struct netlink_callback *cb,
1750 void *data, int len)
1752 struct ieee80211_local *local = wiphy_priv(wiphy);
1754 if (!local->ops->testmode_dump)
1757 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1761 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1762 enum ieee80211_smps_mode smps_mode)
1765 enum ieee80211_smps_mode old_req;
1768 lockdep_assert_held(&sdata->u.mgd.mtx);
1770 old_req = sdata->u.mgd.req_smps;
1771 sdata->u.mgd.req_smps = smps_mode;
1773 if (old_req == smps_mode &&
1774 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1778 * If not associated, or current association is not an HT
1779 * association, there's no need to send an action frame.
1781 if (!sdata->u.mgd.associated ||
1782 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1783 mutex_lock(&sdata->local->iflist_mtx);
1784 ieee80211_recalc_smps(sdata->local);
1785 mutex_unlock(&sdata->local->iflist_mtx);
1789 ap = sdata->u.mgd.associated->bssid;
1791 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1792 if (sdata->u.mgd.powersave)
1793 smps_mode = IEEE80211_SMPS_DYNAMIC;
1795 smps_mode = IEEE80211_SMPS_OFF;
1798 /* send SM PS frame to AP */
1799 err = ieee80211_send_smps_action(sdata, smps_mode,
1802 sdata->u.mgd.req_smps = old_req;
1807 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1808 bool enabled, int timeout)
1810 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1811 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1813 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1816 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1819 if (enabled == sdata->u.mgd.powersave &&
1820 timeout == local->dynamic_ps_forced_timeout)
1823 sdata->u.mgd.powersave = enabled;
1824 local->dynamic_ps_forced_timeout = timeout;
1826 /* no change, but if automatic follow powersave */
1827 mutex_lock(&sdata->u.mgd.mtx);
1828 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1829 mutex_unlock(&sdata->u.mgd.mtx);
1831 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1832 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1834 ieee80211_recalc_ps(local, -1);
1839 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1840 struct net_device *dev,
1841 s32 rssi_thold, u32 rssi_hyst)
1843 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1844 struct ieee80211_vif *vif = &sdata->vif;
1845 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1847 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1848 rssi_hyst == bss_conf->cqm_rssi_hyst)
1851 bss_conf->cqm_rssi_thold = rssi_thold;
1852 bss_conf->cqm_rssi_hyst = rssi_hyst;
1854 /* tell the driver upon association, unless already associated */
1855 if (sdata->u.mgd.associated &&
1856 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
1857 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1862 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1863 struct net_device *dev,
1865 const struct cfg80211_bitrate_mask *mask)
1867 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1868 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1871 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
1872 ret = drv_set_bitrate_mask(local, sdata, mask);
1877 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
1878 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1879 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
1880 sizeof(mask->control[i].mcs));
1886 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1887 struct net_device *dev,
1888 struct ieee80211_channel *chan,
1889 enum nl80211_channel_type chantype,
1890 unsigned int duration, u64 *cookie)
1895 lockdep_assert_held(&local->mtx);
1897 if (local->hw_roc_cookie)
1899 /* must be nonzero */
1900 random_cookie = random32() | 1;
1902 *cookie = random_cookie;
1903 local->hw_roc_dev = dev;
1904 local->hw_roc_cookie = random_cookie;
1905 local->hw_roc_channel = chan;
1906 local->hw_roc_channel_type = chantype;
1907 local->hw_roc_duration = duration;
1908 ret = drv_remain_on_channel(local, chan, chantype, duration);
1910 local->hw_roc_channel = NULL;
1911 local->hw_roc_cookie = 0;
1917 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1918 struct net_device *dev,
1919 struct ieee80211_channel *chan,
1920 enum nl80211_channel_type channel_type,
1921 unsigned int duration,
1924 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1925 struct ieee80211_local *local = sdata->local;
1927 if (local->ops->remain_on_channel) {
1930 mutex_lock(&local->mtx);
1931 ret = ieee80211_remain_on_channel_hw(local, dev,
1934 local->hw_roc_for_tx = false;
1935 mutex_unlock(&local->mtx);
1940 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1944 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1949 lockdep_assert_held(&local->mtx);
1951 if (local->hw_roc_cookie != cookie)
1954 ret = drv_cancel_remain_on_channel(local);
1958 local->hw_roc_cookie = 0;
1959 local->hw_roc_channel = NULL;
1961 ieee80211_recalc_idle(local);
1966 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1967 struct net_device *dev,
1970 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1971 struct ieee80211_local *local = sdata->local;
1973 if (local->ops->cancel_remain_on_channel) {
1976 mutex_lock(&local->mtx);
1977 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1978 mutex_unlock(&local->mtx);
1983 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1986 static enum work_done_result
1987 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1990 * Use the data embedded in the work struct for reporting
1991 * here so if the driver mangled the SKB before dropping
1992 * it (which is the only way we really should get here)
1993 * then we don't report mangled data.
1995 * If there was no wait time, then by the time we get here
1996 * the driver will likely not have reported the status yet,
1997 * so in that case userspace will have to deal with it.
2000 if (wk->offchan_tx.wait && !wk->offchan_tx.status)
2001 cfg80211_mgmt_tx_status(wk->sdata->dev,
2002 (unsigned long) wk->offchan_tx.frame,
2003 wk->data, wk->data_len, false, GFP_KERNEL);
2005 return WORK_DONE_DESTROY;
2008 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
2009 struct ieee80211_channel *chan, bool offchan,
2010 enum nl80211_channel_type channel_type,
2011 bool channel_type_valid, unsigned int wait,
2012 const u8 *buf, size_t len, bool no_cck,
2013 bool dont_wait_for_ack, u64 *cookie)
2015 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2016 struct ieee80211_local *local = sdata->local;
2017 struct sk_buff *skb;
2018 struct sta_info *sta;
2019 struct ieee80211_work *wk;
2020 const struct ieee80211_mgmt *mgmt = (void *)buf;
2022 bool is_offchan = false;
2024 if (dont_wait_for_ack)
2025 flags = IEEE80211_TX_CTL_NO_ACK;
2027 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2028 IEEE80211_TX_CTL_REQ_TX_STATUS;
2030 /* Check that we are on the requested channel for transmission */
2031 if (chan != local->tmp_channel &&
2032 chan != local->oper_channel)
2034 if (channel_type_valid &&
2035 (channel_type != local->tmp_channel_type &&
2036 channel_type != local->_oper_channel_type))
2039 if (chan == local->hw_roc_channel) {
2040 /* TODO: check channel type? */
2042 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2046 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2048 if (is_offchan && !offchan)
2051 switch (sdata->vif.type) {
2052 case NL80211_IFTYPE_ADHOC:
2053 case NL80211_IFTYPE_AP:
2054 case NL80211_IFTYPE_AP_VLAN:
2055 case NL80211_IFTYPE_P2P_GO:
2056 case NL80211_IFTYPE_MESH_POINT:
2057 if (!ieee80211_is_action(mgmt->frame_control) ||
2058 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2061 sta = sta_info_get(sdata, mgmt->da);
2066 case NL80211_IFTYPE_STATION:
2067 case NL80211_IFTYPE_P2P_CLIENT:
2073 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2076 skb_reserve(skb, local->hw.extra_tx_headroom);
2078 memcpy(skb_put(skb, len), buf, len);
2080 IEEE80211_SKB_CB(skb)->flags = flags;
2082 skb->dev = sdata->dev;
2084 *cookie = (unsigned long) skb;
2086 if (is_offchan && local->ops->remain_on_channel) {
2087 unsigned int duration;
2090 mutex_lock(&local->mtx);
2092 * If the duration is zero, then the driver
2093 * wouldn't actually do anything. Set it to
2096 * TODO: cancel the off-channel operation
2097 * when we get the SKB's TX status and
2098 * the wait time was zero before.
2103 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
2108 mutex_unlock(&local->mtx);
2112 local->hw_roc_for_tx = true;
2113 local->hw_roc_duration = wait;
2116 * queue up frame for transmission after
2117 * ieee80211_ready_on_channel call
2120 /* modify cookie to prevent API mismatches */
2122 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2123 local->hw_roc_skb = skb;
2124 local->hw_roc_skb_for_status = skb;
2125 mutex_unlock(&local->mtx);
2131 * Can transmit right away if the channel was the
2132 * right one and there's no wait involved... If a
2133 * wait is involved, we might otherwise not be on
2134 * the right channel for long enough!
2136 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2137 ieee80211_tx_skb(sdata, skb);
2141 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2147 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2149 wk->chan_type = channel_type;
2151 wk->done = ieee80211_offchan_tx_done;
2152 wk->offchan_tx.frame = skb;
2153 wk->offchan_tx.wait = wait;
2155 memcpy(wk->data, buf, len);
2157 ieee80211_add_work(wk);
2161 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2162 struct net_device *dev,
2165 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2166 struct ieee80211_local *local = sdata->local;
2167 struct ieee80211_work *wk;
2170 mutex_lock(&local->mtx);
2172 if (local->ops->cancel_remain_on_channel) {
2174 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2177 kfree_skb(local->hw_roc_skb);
2178 local->hw_roc_skb = NULL;
2179 local->hw_roc_skb_for_status = NULL;
2182 mutex_unlock(&local->mtx);
2187 list_for_each_entry(wk, &local->work_list, list) {
2188 if (wk->sdata != sdata)
2191 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2194 if (cookie != (unsigned long) wk->offchan_tx.frame)
2197 wk->timeout = jiffies;
2199 ieee80211_queue_work(&local->hw, &local->work_work);
2203 mutex_unlock(&local->mtx);
2208 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2209 struct net_device *dev,
2210 u16 frame_type, bool reg)
2212 struct ieee80211_local *local = wiphy_priv(wiphy);
2214 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2218 local->probe_req_reg++;
2220 local->probe_req_reg--;
2222 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2225 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2227 struct ieee80211_local *local = wiphy_priv(wiphy);
2232 return drv_set_antenna(local, tx_ant, rx_ant);
2235 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2237 struct ieee80211_local *local = wiphy_priv(wiphy);
2239 return drv_get_antenna(local, tx_ant, rx_ant);
2242 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2244 struct ieee80211_local *local = wiphy_priv(wiphy);
2246 return drv_set_ringparam(local, tx, rx);
2249 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2250 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2252 struct ieee80211_local *local = wiphy_priv(wiphy);
2254 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2257 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2258 struct net_device *dev,
2259 struct cfg80211_gtk_rekey_data *data)
2261 struct ieee80211_local *local = wiphy_priv(wiphy);
2262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2264 if (!local->ops->set_rekey_data)
2267 drv_set_rekey_data(local, sdata, data);
2272 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2274 u8 *pos = (void *)skb_put(skb, 7);
2276 *pos++ = WLAN_EID_EXT_CAPABILITY;
2277 *pos++ = 5; /* len */
2282 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2285 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2287 struct ieee80211_local *local = sdata->local;
2291 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2294 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2295 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2296 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2297 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2302 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2303 u8 *peer, u8 *bssid)
2305 struct ieee80211_tdls_lnkie *lnkid;
2307 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2309 lnkid->ie_type = WLAN_EID_LINK_ID;
2310 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2312 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2313 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2314 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2318 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2319 u8 *peer, u8 action_code, u8 dialog_token,
2320 u16 status_code, struct sk_buff *skb)
2322 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2323 struct ieee80211_tdls_data *tf;
2325 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2327 memcpy(tf->da, peer, ETH_ALEN);
2328 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2329 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2330 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2332 switch (action_code) {
2333 case WLAN_TDLS_SETUP_REQUEST:
2334 tf->category = WLAN_CATEGORY_TDLS;
2335 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2337 skb_put(skb, sizeof(tf->u.setup_req));
2338 tf->u.setup_req.dialog_token = dialog_token;
2339 tf->u.setup_req.capability =
2340 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2342 ieee80211_add_srates_ie(&sdata->vif, skb);
2343 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2344 ieee80211_tdls_add_ext_capab(skb);
2346 case WLAN_TDLS_SETUP_RESPONSE:
2347 tf->category = WLAN_CATEGORY_TDLS;
2348 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2350 skb_put(skb, sizeof(tf->u.setup_resp));
2351 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2352 tf->u.setup_resp.dialog_token = dialog_token;
2353 tf->u.setup_resp.capability =
2354 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2356 ieee80211_add_srates_ie(&sdata->vif, skb);
2357 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2358 ieee80211_tdls_add_ext_capab(skb);
2360 case WLAN_TDLS_SETUP_CONFIRM:
2361 tf->category = WLAN_CATEGORY_TDLS;
2362 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2364 skb_put(skb, sizeof(tf->u.setup_cfm));
2365 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2366 tf->u.setup_cfm.dialog_token = dialog_token;
2368 case WLAN_TDLS_TEARDOWN:
2369 tf->category = WLAN_CATEGORY_TDLS;
2370 tf->action_code = WLAN_TDLS_TEARDOWN;
2372 skb_put(skb, sizeof(tf->u.teardown));
2373 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2375 case WLAN_TDLS_DISCOVERY_REQUEST:
2376 tf->category = WLAN_CATEGORY_TDLS;
2377 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2379 skb_put(skb, sizeof(tf->u.discover_req));
2380 tf->u.discover_req.dialog_token = dialog_token;
2390 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2391 u8 *peer, u8 action_code, u8 dialog_token,
2392 u16 status_code, struct sk_buff *skb)
2394 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2395 struct ieee80211_mgmt *mgmt;
2397 mgmt = (void *)skb_put(skb, 24);
2398 memset(mgmt, 0, 24);
2399 memcpy(mgmt->da, peer, ETH_ALEN);
2400 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2401 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2403 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2404 IEEE80211_STYPE_ACTION);
2406 switch (action_code) {
2407 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2408 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2409 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2410 mgmt->u.action.u.tdls_discover_resp.action_code =
2411 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2412 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2414 mgmt->u.action.u.tdls_discover_resp.capability =
2415 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2417 ieee80211_add_srates_ie(&sdata->vif, skb);
2418 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2419 ieee80211_tdls_add_ext_capab(skb);
2428 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2429 u8 *peer, u8 action_code, u8 dialog_token,
2430 u16 status_code, const u8 *extra_ies,
2431 size_t extra_ies_len)
2433 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2434 struct ieee80211_local *local = sdata->local;
2435 struct ieee80211_tx_info *info;
2436 struct sk_buff *skb = NULL;
2440 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2443 /* make sure we are in managed mode, and associated */
2444 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2445 !sdata->u.mgd.associated)
2448 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2449 printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
2452 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2453 max(sizeof(struct ieee80211_mgmt),
2454 sizeof(struct ieee80211_tdls_data)) +
2455 50 + /* supported rates */
2458 sizeof(struct ieee80211_tdls_lnkie));
2462 info = IEEE80211_SKB_CB(skb);
2463 skb_reserve(skb, local->hw.extra_tx_headroom);
2465 switch (action_code) {
2466 case WLAN_TDLS_SETUP_REQUEST:
2467 case WLAN_TDLS_SETUP_RESPONSE:
2468 case WLAN_TDLS_SETUP_CONFIRM:
2469 case WLAN_TDLS_TEARDOWN:
2470 case WLAN_TDLS_DISCOVERY_REQUEST:
2471 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2472 action_code, dialog_token,
2474 send_direct = false;
2476 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2477 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2478 dialog_token, status_code,
2491 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2493 /* the TDLS link IE is always added last */
2494 switch (action_code) {
2495 case WLAN_TDLS_SETUP_REQUEST:
2496 case WLAN_TDLS_SETUP_CONFIRM:
2497 case WLAN_TDLS_TEARDOWN:
2498 case WLAN_TDLS_DISCOVERY_REQUEST:
2499 /* we are the initiator */
2500 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2501 sdata->u.mgd.bssid);
2503 case WLAN_TDLS_SETUP_RESPONSE:
2504 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2505 /* we are the responder */
2506 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2507 sdata->u.mgd.bssid);
2515 ieee80211_tx_skb(sdata, skb);
2520 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2521 * we should default to AC_VI.
2523 switch (action_code) {
2524 case WLAN_TDLS_SETUP_REQUEST:
2525 case WLAN_TDLS_SETUP_RESPONSE:
2526 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2530 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2535 /* disable bottom halves when entering the Tx path */
2537 ret = ieee80211_subif_start_xmit(skb, dev);
2547 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2548 u8 *peer, enum nl80211_tdls_operation oper)
2550 struct sta_info *sta;
2551 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2553 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2556 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2559 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2560 printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
2564 case NL80211_TDLS_ENABLE_LINK:
2566 sta = sta_info_get(sdata, peer);
2572 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
2575 case NL80211_TDLS_DISABLE_LINK:
2576 return sta_info_destroy_addr(sdata, peer);
2577 case NL80211_TDLS_TEARDOWN:
2578 case NL80211_TDLS_SETUP:
2579 case NL80211_TDLS_DISCOVERY_REQ:
2580 /* We don't support in-driver setup/teardown/discovery */
2589 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2590 const u8 *peer, u64 *cookie)
2592 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2593 struct ieee80211_local *local = sdata->local;
2594 struct ieee80211_qos_hdr *nullfunc;
2595 struct sk_buff *skb;
2596 int size = sizeof(*nullfunc);
2599 struct ieee80211_tx_info *info;
2600 struct sta_info *sta;
2603 sta = sta_info_get(sdata, peer);
2605 qos = test_sta_flag(sta, WLAN_STA_WME);
2613 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2614 IEEE80211_STYPE_QOS_NULLFUNC |
2615 IEEE80211_FCTL_FROMDS);
2618 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2619 IEEE80211_STYPE_NULLFUNC |
2620 IEEE80211_FCTL_FROMDS);
2623 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2629 skb_reserve(skb, local->hw.extra_tx_headroom);
2631 nullfunc = (void *) skb_put(skb, size);
2632 nullfunc->frame_control = fc;
2633 nullfunc->duration_id = 0;
2634 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2635 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2636 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2637 nullfunc->seq_ctrl = 0;
2639 info = IEEE80211_SKB_CB(skb);
2641 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2642 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2644 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2647 nullfunc->qos_ctrl = cpu_to_le16(7);
2650 ieee80211_xmit(sdata, skb);
2653 *cookie = (unsigned long) skb;
2657 static struct ieee80211_channel *
2658 ieee80211_wiphy_get_channel(struct wiphy *wiphy)
2660 struct ieee80211_local *local = wiphy_priv(wiphy);
2662 return local->oper_channel;
2665 struct cfg80211_ops mac80211_config_ops = {
2666 .add_virtual_intf = ieee80211_add_iface,
2667 .del_virtual_intf = ieee80211_del_iface,
2668 .change_virtual_intf = ieee80211_change_iface,
2669 .add_key = ieee80211_add_key,
2670 .del_key = ieee80211_del_key,
2671 .get_key = ieee80211_get_key,
2672 .set_default_key = ieee80211_config_default_key,
2673 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
2674 .start_ap = ieee80211_start_ap,
2675 .change_beacon = ieee80211_change_beacon,
2676 .stop_ap = ieee80211_stop_ap,
2677 .add_station = ieee80211_add_station,
2678 .del_station = ieee80211_del_station,
2679 .change_station = ieee80211_change_station,
2680 .get_station = ieee80211_get_station,
2681 .dump_station = ieee80211_dump_station,
2682 .dump_survey = ieee80211_dump_survey,
2683 #ifdef CONFIG_MAC80211_MESH
2684 .add_mpath = ieee80211_add_mpath,
2685 .del_mpath = ieee80211_del_mpath,
2686 .change_mpath = ieee80211_change_mpath,
2687 .get_mpath = ieee80211_get_mpath,
2688 .dump_mpath = ieee80211_dump_mpath,
2689 .update_mesh_config = ieee80211_update_mesh_config,
2690 .get_mesh_config = ieee80211_get_mesh_config,
2691 .join_mesh = ieee80211_join_mesh,
2692 .leave_mesh = ieee80211_leave_mesh,
2694 .change_bss = ieee80211_change_bss,
2695 .set_txq_params = ieee80211_set_txq_params,
2696 .set_channel = ieee80211_set_channel,
2697 .suspend = ieee80211_suspend,
2698 .resume = ieee80211_resume,
2699 .scan = ieee80211_scan,
2700 .sched_scan_start = ieee80211_sched_scan_start,
2701 .sched_scan_stop = ieee80211_sched_scan_stop,
2702 .auth = ieee80211_auth,
2703 .assoc = ieee80211_assoc,
2704 .deauth = ieee80211_deauth,
2705 .disassoc = ieee80211_disassoc,
2706 .join_ibss = ieee80211_join_ibss,
2707 .leave_ibss = ieee80211_leave_ibss,
2708 .set_wiphy_params = ieee80211_set_wiphy_params,
2709 .set_tx_power = ieee80211_set_tx_power,
2710 .get_tx_power = ieee80211_get_tx_power,
2711 .set_wds_peer = ieee80211_set_wds_peer,
2712 .rfkill_poll = ieee80211_rfkill_poll,
2713 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
2714 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
2715 .set_power_mgmt = ieee80211_set_power_mgmt,
2716 .set_bitrate_mask = ieee80211_set_bitrate_mask,
2717 .remain_on_channel = ieee80211_remain_on_channel,
2718 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2719 .mgmt_tx = ieee80211_mgmt_tx,
2720 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
2721 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2722 .mgmt_frame_register = ieee80211_mgmt_frame_register,
2723 .set_antenna = ieee80211_set_antenna,
2724 .get_antenna = ieee80211_get_antenna,
2725 .set_ringparam = ieee80211_set_ringparam,
2726 .get_ringparam = ieee80211_get_ringparam,
2727 .set_rekey_data = ieee80211_set_rekey_data,
2728 .tdls_oper = ieee80211_tdls_oper,
2729 .tdls_mgmt = ieee80211_tdls_mgmt,
2730 .probe_client = ieee80211_probe_client,
2731 .get_channel = ieee80211_wiphy_get_channel,
2732 .set_noack_map = ieee80211_set_noack_map,