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 void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata,
493 struct beacon_parameters *params)
495 struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
497 bss_conf->ssid_len = params->ssid_len;
499 if (params->ssid_len)
500 memcpy(bss_conf->ssid, params->ssid, params->ssid_len);
502 bss_conf->hidden_ssid =
503 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
506 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
507 u8 *resp, size_t resp_len)
509 struct sk_buff *new, *old;
511 if (!resp || !resp_len)
514 old = rtnl_dereference(sdata->u.ap.probe_resp);
516 new = dev_alloc_skb(resp_len);
520 memcpy(skb_put(new, resp_len), resp, resp_len);
522 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
532 * This handles both adding a beacon and setting new beacon info
534 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
535 struct beacon_parameters *params)
537 struct beacon_data *new, *old;
538 int new_head_len, new_tail_len;
543 old = rtnl_dereference(sdata->u.ap.beacon);
545 /* head must not be zero-length */
546 if (params->head && !params->head_len)
550 * This is a kludge. beacon interval should really be part
551 * of the beacon information.
553 if (params->interval &&
554 (sdata->vif.bss_conf.beacon_int != params->interval)) {
555 sdata->vif.bss_conf.beacon_int = params->interval;
556 ieee80211_bss_info_change_notify(sdata,
557 BSS_CHANGED_BEACON_INT);
560 /* Need to have a beacon head if we don't have one yet */
561 if (!params->head && !old)
564 /* sorry, no way to start beaconing without dtim period */
565 if (!params->dtim_period && !old)
568 /* new or old head? */
570 new_head_len = params->head_len;
572 new_head_len = old->head_len;
574 /* new or old tail? */
575 if (params->tail || !old)
576 /* params->tail_len will be zero for !params->tail */
577 new_tail_len = params->tail_len;
579 new_tail_len = old->tail_len;
581 size = sizeof(*new) + new_head_len + new_tail_len;
583 new = kzalloc(size, GFP_KERNEL);
587 /* start filling the new info now */
589 /* new or old dtim period? */
590 if (params->dtim_period)
591 new->dtim_period = params->dtim_period;
593 new->dtim_period = old->dtim_period;
596 * pointers go into the block we allocated,
597 * memory is | beacon_data | head | tail |
599 new->head = ((u8 *) new) + sizeof(*new);
600 new->tail = new->head + new_head_len;
601 new->head_len = new_head_len;
602 new->tail_len = new_tail_len;
606 memcpy(new->head, params->head, new_head_len);
608 memcpy(new->head, old->head, new_head_len);
610 /* copy in optional tail */
612 memcpy(new->tail, params->tail, new_tail_len);
615 memcpy(new->tail, old->tail, new_tail_len);
617 sdata->vif.bss_conf.dtim_period = new->dtim_period;
619 rcu_assign_pointer(sdata->u.ap.beacon, new);
625 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
626 params->probe_resp_len);
628 changed |= BSS_CHANGED_AP_PROBE_RESP;
630 ieee80211_config_ap_ssid(sdata, params);
631 changed |= BSS_CHANGED_BEACON_ENABLED |
635 ieee80211_bss_info_change_notify(sdata, changed);
639 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
640 struct beacon_parameters *params)
642 struct ieee80211_sub_if_data *sdata;
643 struct beacon_data *old;
644 struct ieee80211_sub_if_data *vlan;
647 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
649 old = rtnl_dereference(sdata->u.ap.beacon);
653 ret = ieee80211_config_beacon(sdata, params);
658 * Apply control port protocol, this allows us to
659 * not encrypt dynamic WEP control frames.
661 sdata->control_port_protocol = params->crypto.control_port_ethertype;
662 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
663 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
664 vlan->control_port_protocol =
665 params->crypto.control_port_ethertype;
666 vlan->control_port_no_encrypt =
667 params->crypto.control_port_no_encrypt;
673 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
674 struct beacon_parameters *params)
676 struct ieee80211_sub_if_data *sdata;
677 struct beacon_data *old;
679 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
681 old = rtnl_dereference(sdata->u.ap.beacon);
685 return ieee80211_config_beacon(sdata, params);
688 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
690 struct ieee80211_sub_if_data *sdata;
691 struct beacon_data *old;
693 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
695 old = rtnl_dereference(sdata->u.ap.beacon);
699 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
703 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
707 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
708 struct iapp_layer2_update {
709 u8 da[ETH_ALEN]; /* broadcast */
710 u8 sa[ETH_ALEN]; /* STA addr */
718 static void ieee80211_send_layer2_update(struct sta_info *sta)
720 struct iapp_layer2_update *msg;
723 /* Send Level 2 Update Frame to update forwarding tables in layer 2
726 skb = dev_alloc_skb(sizeof(*msg));
729 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
731 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
732 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
734 memset(msg->da, 0xff, ETH_ALEN);
735 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
738 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
739 msg->control = 0xaf; /* XID response lsb.1111F101.
740 * F=0 (no poll command; unsolicited frame) */
741 msg->xid_info[0] = 0x81; /* XID format identifier */
742 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
743 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
745 skb->dev = sta->sdata->dev;
746 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
747 memset(skb->cb, 0, sizeof(skb->cb));
751 static int sta_apply_parameters(struct ieee80211_local *local,
752 struct sta_info *sta,
753 struct station_parameters *params)
758 struct ieee80211_supported_band *sband;
759 struct ieee80211_sub_if_data *sdata = sta->sdata;
762 sband = local->hw.wiphy->bands[local->oper_channel->band];
764 mask = params->sta_flags_mask;
765 set = params->sta_flags_set;
768 * In mesh mode, we can clear AUTHENTICATED flag but must
769 * also make ASSOCIATED follow appropriately for the driver
770 * API. See also below, after AUTHORIZED changes.
772 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
773 /* cfg80211 should not allow this in non-mesh modes */
774 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
777 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
778 !test_sta_flag(sta, WLAN_STA_AUTH)) {
779 ret = sta_info_move_state_checked(sta,
783 ret = sta_info_move_state_checked(sta,
784 IEEE80211_STA_ASSOC);
790 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
791 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
792 ret = sta_info_move_state_checked(sta,
793 IEEE80211_STA_AUTHORIZED);
794 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
795 ret = sta_info_move_state_checked(sta,
796 IEEE80211_STA_ASSOC);
801 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
802 /* cfg80211 should not allow this in non-mesh modes */
803 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
806 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
807 test_sta_flag(sta, WLAN_STA_AUTH)) {
808 ret = sta_info_move_state_checked(sta,
812 ret = sta_info_move_state_checked(sta,
820 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
821 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
822 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
824 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
827 if (mask & BIT(NL80211_STA_FLAG_WME)) {
828 if (set & BIT(NL80211_STA_FLAG_WME)) {
829 set_sta_flag(sta, WLAN_STA_WME);
832 clear_sta_flag(sta, WLAN_STA_WME);
833 sta->sta.wme = false;
837 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
838 if (set & BIT(NL80211_STA_FLAG_MFP))
839 set_sta_flag(sta, WLAN_STA_MFP);
841 clear_sta_flag(sta, WLAN_STA_MFP);
844 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
845 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
846 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
848 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
851 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
852 sta->sta.uapsd_queues = params->uapsd_queues;
853 sta->sta.max_sp = params->max_sp;
857 * cfg80211 validates this (1-2007) and allows setting the AID
858 * only when creating a new station entry
861 sta->sta.aid = params->aid;
864 * FIXME: updating the following information is racy when this
865 * function is called from ieee80211_change_station().
866 * However, all this information should be static so
867 * maybe we should just reject attemps to change it.
870 if (params->listen_interval >= 0)
871 sta->listen_interval = params->listen_interval;
873 if (params->supported_rates) {
876 for (i = 0; i < params->supported_rates_len; i++) {
877 int rate = (params->supported_rates[i] & 0x7f) * 5;
878 for (j = 0; j < sband->n_bitrates; j++) {
879 if (sband->bitrates[j].bitrate == rate)
883 sta->sta.supp_rates[local->oper_channel->band] = rates;
887 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
891 if (ieee80211_vif_is_mesh(&sdata->vif)) {
892 #ifdef CONFIG_MAC80211_MESH
893 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
894 switch (params->plink_state) {
895 case NL80211_PLINK_LISTEN:
896 case NL80211_PLINK_ESTAB:
897 case NL80211_PLINK_BLOCKED:
898 sta->plink_state = params->plink_state;
905 switch (params->plink_action) {
906 case PLINK_ACTION_OPEN:
907 mesh_plink_open(sta);
909 case PLINK_ACTION_BLOCK:
910 mesh_plink_block(sta);
919 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
920 u8 *mac, struct station_parameters *params)
922 struct ieee80211_local *local = wiphy_priv(wiphy);
923 struct sta_info *sta;
924 struct ieee80211_sub_if_data *sdata;
929 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
931 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
932 sdata->vif.type != NL80211_IFTYPE_AP)
935 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
937 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
940 if (is_multicast_ether_addr(mac))
943 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
947 sta_info_move_state(sta, IEEE80211_STA_AUTH);
948 sta_info_move_state(sta, IEEE80211_STA_ASSOC);
950 err = sta_apply_parameters(local, sta, params);
952 sta_info_free(local, sta);
957 * for TDLS, rate control should be initialized only when supported
960 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
961 rate_control_rate_init(sta);
963 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
964 sdata->vif.type == NL80211_IFTYPE_AP;
966 err = sta_info_insert_rcu(sta);
973 ieee80211_send_layer2_update(sta);
980 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
983 struct ieee80211_local *local = wiphy_priv(wiphy);
984 struct ieee80211_sub_if_data *sdata;
986 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
989 return sta_info_destroy_addr_bss(sdata, mac);
991 sta_info_flush(local, sdata);
995 static int ieee80211_change_station(struct wiphy *wiphy,
996 struct net_device *dev,
998 struct station_parameters *params)
1000 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1001 struct ieee80211_local *local = wiphy_priv(wiphy);
1002 struct sta_info *sta;
1003 struct ieee80211_sub_if_data *vlansdata;
1006 mutex_lock(&local->sta_mtx);
1008 sta = sta_info_get_bss(sdata, mac);
1010 mutex_unlock(&local->sta_mtx);
1014 /* in station mode, supported rates are only valid with TDLS */
1015 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1016 params->supported_rates &&
1017 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1018 mutex_unlock(&local->sta_mtx);
1022 if (params->vlan && params->vlan != sta->sdata->dev) {
1023 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1025 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1026 vlansdata->vif.type != NL80211_IFTYPE_AP) {
1027 mutex_unlock(&local->sta_mtx);
1031 if (params->vlan->ieee80211_ptr->use_4addr) {
1032 if (vlansdata->u.vlan.sta) {
1033 mutex_unlock(&local->sta_mtx);
1037 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1040 sta->sdata = vlansdata;
1041 ieee80211_send_layer2_update(sta);
1044 err = sta_apply_parameters(local, sta, params);
1046 mutex_unlock(&local->sta_mtx);
1050 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1051 rate_control_rate_init(sta);
1053 mutex_unlock(&local->sta_mtx);
1055 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1056 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1057 ieee80211_recalc_ps(local, -1);
1062 #ifdef CONFIG_MAC80211_MESH
1063 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1064 u8 *dst, u8 *next_hop)
1066 struct ieee80211_sub_if_data *sdata;
1067 struct mesh_path *mpath;
1068 struct sta_info *sta;
1071 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1074 sta = sta_info_get(sdata, next_hop);
1080 err = mesh_path_add(dst, sdata);
1086 mpath = mesh_path_lookup(dst, sdata);
1091 mesh_path_fix_nexthop(mpath, sta);
1097 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1100 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1103 return mesh_path_del(dst, sdata);
1105 mesh_path_flush_by_iface(sdata);
1109 static int ieee80211_change_mpath(struct wiphy *wiphy,
1110 struct net_device *dev,
1111 u8 *dst, u8 *next_hop)
1113 struct ieee80211_sub_if_data *sdata;
1114 struct mesh_path *mpath;
1115 struct sta_info *sta;
1117 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1121 sta = sta_info_get(sdata, next_hop);
1127 mpath = mesh_path_lookup(dst, sdata);
1133 mesh_path_fix_nexthop(mpath, sta);
1139 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1140 struct mpath_info *pinfo)
1142 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1145 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1147 memset(next_hop, 0, ETH_ALEN);
1149 pinfo->generation = mesh_paths_generation;
1151 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1154 MPATH_INFO_EXPTIME |
1155 MPATH_INFO_DISCOVERY_TIMEOUT |
1156 MPATH_INFO_DISCOVERY_RETRIES |
1159 pinfo->frame_qlen = mpath->frame_queue.qlen;
1160 pinfo->sn = mpath->sn;
1161 pinfo->metric = mpath->metric;
1162 if (time_before(jiffies, mpath->exp_time))
1163 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1164 pinfo->discovery_timeout =
1165 jiffies_to_msecs(mpath->discovery_timeout);
1166 pinfo->discovery_retries = mpath->discovery_retries;
1168 if (mpath->flags & MESH_PATH_ACTIVE)
1169 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1170 if (mpath->flags & MESH_PATH_RESOLVING)
1171 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1172 if (mpath->flags & MESH_PATH_SN_VALID)
1173 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1174 if (mpath->flags & MESH_PATH_FIXED)
1175 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1176 if (mpath->flags & MESH_PATH_RESOLVING)
1177 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1179 pinfo->flags = mpath->flags;
1182 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1183 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1186 struct ieee80211_sub_if_data *sdata;
1187 struct mesh_path *mpath;
1189 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1192 mpath = mesh_path_lookup(dst, sdata);
1197 memcpy(dst, mpath->dst, ETH_ALEN);
1198 mpath_set_pinfo(mpath, next_hop, pinfo);
1203 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1204 int idx, u8 *dst, u8 *next_hop,
1205 struct mpath_info *pinfo)
1207 struct ieee80211_sub_if_data *sdata;
1208 struct mesh_path *mpath;
1210 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1213 mpath = mesh_path_lookup_by_idx(idx, sdata);
1218 memcpy(dst, mpath->dst, ETH_ALEN);
1219 mpath_set_pinfo(mpath, next_hop, pinfo);
1224 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1225 struct net_device *dev,
1226 struct mesh_config *conf)
1228 struct ieee80211_sub_if_data *sdata;
1229 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1231 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1235 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1237 return (mask >> (parm-1)) & 0x1;
1240 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1241 const struct mesh_setup *setup)
1245 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1246 struct ieee80211_sub_if_data, u.mesh);
1248 /* allocate information elements */
1252 if (setup->ie_len) {
1253 new_ie = kmemdup(setup->ie, setup->ie_len,
1258 ifmsh->ie_len = setup->ie_len;
1262 /* now copy the rest of the setup parameters */
1263 ifmsh->mesh_id_len = setup->mesh_id_len;
1264 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1265 ifmsh->mesh_pp_id = setup->path_sel_proto;
1266 ifmsh->mesh_pm_id = setup->path_metric;
1267 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1268 if (setup->is_authenticated)
1269 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1270 if (setup->is_secure)
1271 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1273 /* mcast rate setting in Mesh Node */
1274 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1275 sizeof(setup->mcast_rate));
1280 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1281 struct net_device *dev, u32 mask,
1282 const struct mesh_config *nconf)
1284 struct mesh_config *conf;
1285 struct ieee80211_sub_if_data *sdata;
1286 struct ieee80211_if_mesh *ifmsh;
1288 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1289 ifmsh = &sdata->u.mesh;
1291 /* Set the config options which we are interested in setting */
1292 conf = &(sdata->u.mesh.mshcfg);
1293 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1294 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1295 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1296 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1297 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1298 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1299 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1300 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1301 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1302 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1303 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1304 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1305 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1306 conf->dot11MeshTTL = nconf->element_ttl;
1307 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1308 conf->auto_open_plinks = nconf->auto_open_plinks;
1309 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1310 conf->dot11MeshHWMPmaxPREQretries =
1311 nconf->dot11MeshHWMPmaxPREQretries;
1312 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1313 conf->path_refresh_time = nconf->path_refresh_time;
1314 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1315 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1316 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1317 conf->dot11MeshHWMPactivePathTimeout =
1318 nconf->dot11MeshHWMPactivePathTimeout;
1319 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1320 conf->dot11MeshHWMPpreqMinInterval =
1321 nconf->dot11MeshHWMPpreqMinInterval;
1322 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1323 conf->dot11MeshHWMPperrMinInterval =
1324 nconf->dot11MeshHWMPperrMinInterval;
1325 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1327 conf->dot11MeshHWMPnetDiameterTraversalTime =
1328 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1329 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1330 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1331 ieee80211_mesh_root_setup(ifmsh);
1333 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1334 /* our current gate announcement implementation rides on root
1335 * announcements, so require this ifmsh to also be a root node
1337 if (nconf->dot11MeshGateAnnouncementProtocol &&
1338 !conf->dot11MeshHWMPRootMode) {
1339 conf->dot11MeshHWMPRootMode = 1;
1340 ieee80211_mesh_root_setup(ifmsh);
1342 conf->dot11MeshGateAnnouncementProtocol =
1343 nconf->dot11MeshGateAnnouncementProtocol;
1345 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1346 conf->dot11MeshHWMPRannInterval =
1347 nconf->dot11MeshHWMPRannInterval;
1352 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1353 const struct mesh_config *conf,
1354 const struct mesh_setup *setup)
1356 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1357 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1360 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1361 err = copy_mesh_setup(ifmsh, setup);
1364 ieee80211_start_mesh(sdata);
1369 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1371 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1373 ieee80211_stop_mesh(sdata);
1379 static int ieee80211_change_bss(struct wiphy *wiphy,
1380 struct net_device *dev,
1381 struct bss_parameters *params)
1383 struct ieee80211_sub_if_data *sdata;
1386 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1388 if (params->use_cts_prot >= 0) {
1389 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1390 changed |= BSS_CHANGED_ERP_CTS_PROT;
1392 if (params->use_short_preamble >= 0) {
1393 sdata->vif.bss_conf.use_short_preamble =
1394 params->use_short_preamble;
1395 changed |= BSS_CHANGED_ERP_PREAMBLE;
1398 if (!sdata->vif.bss_conf.use_short_slot &&
1399 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1400 sdata->vif.bss_conf.use_short_slot = true;
1401 changed |= BSS_CHANGED_ERP_SLOT;
1404 if (params->use_short_slot_time >= 0) {
1405 sdata->vif.bss_conf.use_short_slot =
1406 params->use_short_slot_time;
1407 changed |= BSS_CHANGED_ERP_SLOT;
1410 if (params->basic_rates) {
1413 struct ieee80211_local *local = wiphy_priv(wiphy);
1414 struct ieee80211_supported_band *sband =
1415 wiphy->bands[local->oper_channel->band];
1417 for (i = 0; i < params->basic_rates_len; i++) {
1418 int rate = (params->basic_rates[i] & 0x7f) * 5;
1419 for (j = 0; j < sband->n_bitrates; j++) {
1420 if (sband->bitrates[j].bitrate == rate)
1424 sdata->vif.bss_conf.basic_rates = rates;
1425 changed |= BSS_CHANGED_BASIC_RATES;
1428 if (params->ap_isolate >= 0) {
1429 if (params->ap_isolate)
1430 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1432 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1435 if (params->ht_opmode >= 0) {
1436 sdata->vif.bss_conf.ht_operation_mode =
1437 (u16) params->ht_opmode;
1438 changed |= BSS_CHANGED_HT;
1441 ieee80211_bss_info_change_notify(sdata, changed);
1446 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1447 struct net_device *dev,
1448 struct ieee80211_txq_params *params)
1450 struct ieee80211_local *local = wiphy_priv(wiphy);
1451 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1452 struct ieee80211_tx_queue_params p;
1454 if (!local->ops->conf_tx)
1457 memset(&p, 0, sizeof(p));
1458 p.aifs = params->aifs;
1459 p.cw_max = params->cwmax;
1460 p.cw_min = params->cwmin;
1461 p.txop = params->txop;
1464 * Setting tx queue params disables u-apsd because it's only
1465 * called in master mode.
1469 if (params->queue >= local->hw.queues)
1472 sdata->tx_conf[params->queue] = p;
1473 if (drv_conf_tx(local, sdata, params->queue, &p)) {
1474 wiphy_debug(local->hw.wiphy,
1475 "failed to set TX queue parameters for queue %d\n",
1483 static int ieee80211_set_channel(struct wiphy *wiphy,
1484 struct net_device *netdev,
1485 struct ieee80211_channel *chan,
1486 enum nl80211_channel_type channel_type)
1488 struct ieee80211_local *local = wiphy_priv(wiphy);
1489 struct ieee80211_sub_if_data *sdata = NULL;
1490 struct ieee80211_channel *old_oper;
1491 enum nl80211_channel_type old_oper_type;
1492 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
1495 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1497 switch (ieee80211_get_channel_mode(local, NULL)) {
1498 case CHAN_MODE_HOPPING:
1500 case CHAN_MODE_FIXED:
1501 if (local->oper_channel != chan)
1503 if (!sdata && local->_oper_channel_type == channel_type)
1506 case CHAN_MODE_UNDEFINED:
1511 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1512 old_oper_type = local->_oper_channel_type;
1514 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1517 old_oper = local->oper_channel;
1518 local->oper_channel = chan;
1520 /* Update driver if changes were actually made. */
1521 if ((old_oper != local->oper_channel) ||
1522 (old_oper_type != local->_oper_channel_type))
1523 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1525 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR &&
1526 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
1527 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1533 static int ieee80211_suspend(struct wiphy *wiphy,
1534 struct cfg80211_wowlan *wowlan)
1536 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1539 static int ieee80211_resume(struct wiphy *wiphy)
1541 return __ieee80211_resume(wiphy_priv(wiphy));
1544 #define ieee80211_suspend NULL
1545 #define ieee80211_resume NULL
1548 static int ieee80211_scan(struct wiphy *wiphy,
1549 struct net_device *dev,
1550 struct cfg80211_scan_request *req)
1552 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1554 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1555 case NL80211_IFTYPE_STATION:
1556 case NL80211_IFTYPE_ADHOC:
1557 case NL80211_IFTYPE_MESH_POINT:
1558 case NL80211_IFTYPE_P2P_CLIENT:
1560 case NL80211_IFTYPE_P2P_GO:
1561 if (sdata->local->ops->hw_scan)
1564 * FIXME: implement NoA while scanning in software,
1565 * for now fall through to allow scanning only when
1566 * beaconing hasn't been configured yet
1568 case NL80211_IFTYPE_AP:
1569 if (sdata->u.ap.beacon)
1576 return ieee80211_request_scan(sdata, req);
1580 ieee80211_sched_scan_start(struct wiphy *wiphy,
1581 struct net_device *dev,
1582 struct cfg80211_sched_scan_request *req)
1584 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1586 if (!sdata->local->ops->sched_scan_start)
1589 return ieee80211_request_sched_scan_start(sdata, req);
1593 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
1595 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1597 if (!sdata->local->ops->sched_scan_stop)
1600 return ieee80211_request_sched_scan_stop(sdata);
1603 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1604 struct cfg80211_auth_request *req)
1606 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1609 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1610 struct cfg80211_assoc_request *req)
1612 struct ieee80211_local *local = wiphy_priv(wiphy);
1613 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1615 switch (ieee80211_get_channel_mode(local, sdata)) {
1616 case CHAN_MODE_HOPPING:
1618 case CHAN_MODE_FIXED:
1619 if (local->oper_channel == req->bss->channel)
1622 case CHAN_MODE_UNDEFINED:
1626 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1629 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1630 struct cfg80211_deauth_request *req,
1633 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1637 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1638 struct cfg80211_disassoc_request *req,
1641 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1645 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1646 struct cfg80211_ibss_params *params)
1648 struct ieee80211_local *local = wiphy_priv(wiphy);
1649 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1651 switch (ieee80211_get_channel_mode(local, sdata)) {
1652 case CHAN_MODE_HOPPING:
1654 case CHAN_MODE_FIXED:
1655 if (!params->channel_fixed)
1657 if (local->oper_channel == params->channel)
1660 case CHAN_MODE_UNDEFINED:
1664 return ieee80211_ibss_join(sdata, params);
1667 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1669 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1671 return ieee80211_ibss_leave(sdata);
1674 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1676 struct ieee80211_local *local = wiphy_priv(wiphy);
1679 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1680 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1686 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1687 err = drv_set_coverage_class(local, wiphy->coverage_class);
1693 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1694 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1700 if (changed & WIPHY_PARAM_RETRY_SHORT)
1701 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1702 if (changed & WIPHY_PARAM_RETRY_LONG)
1703 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1705 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1706 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1711 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1712 enum nl80211_tx_power_setting type, int mbm)
1714 struct ieee80211_local *local = wiphy_priv(wiphy);
1715 struct ieee80211_channel *chan = local->hw.conf.channel;
1719 case NL80211_TX_POWER_AUTOMATIC:
1720 local->user_power_level = -1;
1722 case NL80211_TX_POWER_LIMITED:
1723 if (mbm < 0 || (mbm % 100))
1725 local->user_power_level = MBM_TO_DBM(mbm);
1727 case NL80211_TX_POWER_FIXED:
1728 if (mbm < 0 || (mbm % 100))
1730 /* TODO: move to cfg80211 when it knows the channel */
1731 if (MBM_TO_DBM(mbm) > chan->max_power)
1733 local->user_power_level = MBM_TO_DBM(mbm);
1737 ieee80211_hw_config(local, changes);
1742 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1744 struct ieee80211_local *local = wiphy_priv(wiphy);
1746 *dbm = local->hw.conf.power_level;
1751 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1754 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1756 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1761 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1763 struct ieee80211_local *local = wiphy_priv(wiphy);
1765 drv_rfkill_poll(local);
1768 #ifdef CONFIG_NL80211_TESTMODE
1769 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1771 struct ieee80211_local *local = wiphy_priv(wiphy);
1773 if (!local->ops->testmode_cmd)
1776 return local->ops->testmode_cmd(&local->hw, data, len);
1779 static int ieee80211_testmode_dump(struct wiphy *wiphy,
1780 struct sk_buff *skb,
1781 struct netlink_callback *cb,
1782 void *data, int len)
1784 struct ieee80211_local *local = wiphy_priv(wiphy);
1786 if (!local->ops->testmode_dump)
1789 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1793 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1794 enum ieee80211_smps_mode smps_mode)
1797 enum ieee80211_smps_mode old_req;
1800 lockdep_assert_held(&sdata->u.mgd.mtx);
1802 old_req = sdata->u.mgd.req_smps;
1803 sdata->u.mgd.req_smps = smps_mode;
1805 if (old_req == smps_mode &&
1806 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1810 * If not associated, or current association is not an HT
1811 * association, there's no need to send an action frame.
1813 if (!sdata->u.mgd.associated ||
1814 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1815 mutex_lock(&sdata->local->iflist_mtx);
1816 ieee80211_recalc_smps(sdata->local);
1817 mutex_unlock(&sdata->local->iflist_mtx);
1821 ap = sdata->u.mgd.associated->bssid;
1823 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1824 if (sdata->u.mgd.powersave)
1825 smps_mode = IEEE80211_SMPS_DYNAMIC;
1827 smps_mode = IEEE80211_SMPS_OFF;
1830 /* send SM PS frame to AP */
1831 err = ieee80211_send_smps_action(sdata, smps_mode,
1834 sdata->u.mgd.req_smps = old_req;
1839 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1840 bool enabled, int timeout)
1842 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1843 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1845 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1848 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1851 if (enabled == sdata->u.mgd.powersave &&
1852 timeout == local->dynamic_ps_forced_timeout)
1855 sdata->u.mgd.powersave = enabled;
1856 local->dynamic_ps_forced_timeout = timeout;
1858 /* no change, but if automatic follow powersave */
1859 mutex_lock(&sdata->u.mgd.mtx);
1860 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1861 mutex_unlock(&sdata->u.mgd.mtx);
1863 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1864 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1866 ieee80211_recalc_ps(local, -1);
1871 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1872 struct net_device *dev,
1873 s32 rssi_thold, u32 rssi_hyst)
1875 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1876 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1877 struct ieee80211_vif *vif = &sdata->vif;
1878 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1880 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1881 rssi_hyst == bss_conf->cqm_rssi_hyst)
1884 bss_conf->cqm_rssi_thold = rssi_thold;
1885 bss_conf->cqm_rssi_hyst = rssi_hyst;
1887 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1888 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1893 /* tell the driver upon association, unless already associated */
1894 if (sdata->u.mgd.associated)
1895 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1900 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1901 struct net_device *dev,
1903 const struct cfg80211_bitrate_mask *mask)
1905 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1906 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1909 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
1910 ret = drv_set_bitrate_mask(local, sdata, mask);
1915 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1916 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1921 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1922 struct net_device *dev,
1923 struct ieee80211_channel *chan,
1924 enum nl80211_channel_type chantype,
1925 unsigned int duration, u64 *cookie)
1930 lockdep_assert_held(&local->mtx);
1932 if (local->hw_roc_cookie)
1934 /* must be nonzero */
1935 random_cookie = random32() | 1;
1937 *cookie = random_cookie;
1938 local->hw_roc_dev = dev;
1939 local->hw_roc_cookie = random_cookie;
1940 local->hw_roc_channel = chan;
1941 local->hw_roc_channel_type = chantype;
1942 local->hw_roc_duration = duration;
1943 ret = drv_remain_on_channel(local, chan, chantype, duration);
1945 local->hw_roc_channel = NULL;
1946 local->hw_roc_cookie = 0;
1952 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1953 struct net_device *dev,
1954 struct ieee80211_channel *chan,
1955 enum nl80211_channel_type channel_type,
1956 unsigned int duration,
1959 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1960 struct ieee80211_local *local = sdata->local;
1962 if (local->ops->remain_on_channel) {
1965 mutex_lock(&local->mtx);
1966 ret = ieee80211_remain_on_channel_hw(local, dev,
1969 local->hw_roc_for_tx = false;
1970 mutex_unlock(&local->mtx);
1975 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1979 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1984 lockdep_assert_held(&local->mtx);
1986 if (local->hw_roc_cookie != cookie)
1989 ret = drv_cancel_remain_on_channel(local);
1993 local->hw_roc_cookie = 0;
1994 local->hw_roc_channel = NULL;
1996 ieee80211_recalc_idle(local);
2001 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2002 struct net_device *dev,
2005 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2006 struct ieee80211_local *local = sdata->local;
2008 if (local->ops->cancel_remain_on_channel) {
2011 mutex_lock(&local->mtx);
2012 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2013 mutex_unlock(&local->mtx);
2018 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
2021 static enum work_done_result
2022 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
2025 * Use the data embedded in the work struct for reporting
2026 * here so if the driver mangled the SKB before dropping
2027 * it (which is the only way we really should get here)
2028 * then we don't report mangled data.
2030 * If there was no wait time, then by the time we get here
2031 * the driver will likely not have reported the status yet,
2032 * so in that case userspace will have to deal with it.
2035 if (wk->offchan_tx.wait && !wk->offchan_tx.status)
2036 cfg80211_mgmt_tx_status(wk->sdata->dev,
2037 (unsigned long) wk->offchan_tx.frame,
2038 wk->ie, wk->ie_len, false, GFP_KERNEL);
2040 return WORK_DONE_DESTROY;
2043 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
2044 struct ieee80211_channel *chan, bool offchan,
2045 enum nl80211_channel_type channel_type,
2046 bool channel_type_valid, unsigned int wait,
2047 const u8 *buf, size_t len, bool no_cck,
2048 bool dont_wait_for_ack, u64 *cookie)
2050 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2051 struct ieee80211_local *local = sdata->local;
2052 struct sk_buff *skb;
2053 struct sta_info *sta;
2054 struct ieee80211_work *wk;
2055 const struct ieee80211_mgmt *mgmt = (void *)buf;
2057 bool is_offchan = false;
2059 if (dont_wait_for_ack)
2060 flags = IEEE80211_TX_CTL_NO_ACK;
2062 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2063 IEEE80211_TX_CTL_REQ_TX_STATUS;
2065 /* Check that we are on the requested channel for transmission */
2066 if (chan != local->tmp_channel &&
2067 chan != local->oper_channel)
2069 if (channel_type_valid &&
2070 (channel_type != local->tmp_channel_type &&
2071 channel_type != local->_oper_channel_type))
2074 if (chan == local->hw_roc_channel) {
2075 /* TODO: check channel type? */
2077 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2081 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2083 if (is_offchan && !offchan)
2086 switch (sdata->vif.type) {
2087 case NL80211_IFTYPE_ADHOC:
2088 case NL80211_IFTYPE_AP:
2089 case NL80211_IFTYPE_AP_VLAN:
2090 case NL80211_IFTYPE_P2P_GO:
2091 case NL80211_IFTYPE_MESH_POINT:
2092 if (!ieee80211_is_action(mgmt->frame_control) ||
2093 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2096 sta = sta_info_get(sdata, mgmt->da);
2101 case NL80211_IFTYPE_STATION:
2102 case NL80211_IFTYPE_P2P_CLIENT:
2108 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2111 skb_reserve(skb, local->hw.extra_tx_headroom);
2113 memcpy(skb_put(skb, len), buf, len);
2115 IEEE80211_SKB_CB(skb)->flags = flags;
2117 skb->dev = sdata->dev;
2119 *cookie = (unsigned long) skb;
2121 if (is_offchan && local->ops->remain_on_channel) {
2122 unsigned int duration;
2125 mutex_lock(&local->mtx);
2127 * If the duration is zero, then the driver
2128 * wouldn't actually do anything. Set it to
2131 * TODO: cancel the off-channel operation
2132 * when we get the SKB's TX status and
2133 * the wait time was zero before.
2138 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
2143 mutex_unlock(&local->mtx);
2147 local->hw_roc_for_tx = true;
2148 local->hw_roc_duration = wait;
2151 * queue up frame for transmission after
2152 * ieee80211_ready_on_channel call
2155 /* modify cookie to prevent API mismatches */
2157 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2158 local->hw_roc_skb = skb;
2159 local->hw_roc_skb_for_status = skb;
2160 mutex_unlock(&local->mtx);
2166 * Can transmit right away if the channel was the
2167 * right one and there's no wait involved... If a
2168 * wait is involved, we might otherwise not be on
2169 * the right channel for long enough!
2171 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2172 ieee80211_tx_skb(sdata, skb);
2176 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2182 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2184 wk->chan_type = channel_type;
2186 wk->done = ieee80211_offchan_tx_done;
2187 wk->offchan_tx.frame = skb;
2188 wk->offchan_tx.wait = wait;
2190 memcpy(wk->ie, buf, len);
2192 ieee80211_add_work(wk);
2196 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2197 struct net_device *dev,
2200 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2201 struct ieee80211_local *local = sdata->local;
2202 struct ieee80211_work *wk;
2205 mutex_lock(&local->mtx);
2207 if (local->ops->cancel_remain_on_channel) {
2209 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2212 kfree_skb(local->hw_roc_skb);
2213 local->hw_roc_skb = NULL;
2214 local->hw_roc_skb_for_status = NULL;
2217 mutex_unlock(&local->mtx);
2222 list_for_each_entry(wk, &local->work_list, list) {
2223 if (wk->sdata != sdata)
2226 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2229 if (cookie != (unsigned long) wk->offchan_tx.frame)
2232 wk->timeout = jiffies;
2234 ieee80211_queue_work(&local->hw, &local->work_work);
2238 mutex_unlock(&local->mtx);
2243 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2244 struct net_device *dev,
2245 u16 frame_type, bool reg)
2247 struct ieee80211_local *local = wiphy_priv(wiphy);
2249 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2253 local->probe_req_reg++;
2255 local->probe_req_reg--;
2257 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2260 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2262 struct ieee80211_local *local = wiphy_priv(wiphy);
2267 return drv_set_antenna(local, tx_ant, rx_ant);
2270 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2272 struct ieee80211_local *local = wiphy_priv(wiphy);
2274 return drv_get_antenna(local, tx_ant, rx_ant);
2277 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2279 struct ieee80211_local *local = wiphy_priv(wiphy);
2281 return drv_set_ringparam(local, tx, rx);
2284 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2285 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2287 struct ieee80211_local *local = wiphy_priv(wiphy);
2289 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2292 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2293 struct net_device *dev,
2294 struct cfg80211_gtk_rekey_data *data)
2296 struct ieee80211_local *local = wiphy_priv(wiphy);
2297 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2299 if (!local->ops->set_rekey_data)
2302 drv_set_rekey_data(local, sdata, data);
2307 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2309 u8 *pos = (void *)skb_put(skb, 7);
2311 *pos++ = WLAN_EID_EXT_CAPABILITY;
2312 *pos++ = 5; /* len */
2317 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2320 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2322 struct ieee80211_local *local = sdata->local;
2326 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2329 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2330 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2331 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2332 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2337 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2338 u8 *peer, u8 *bssid)
2340 struct ieee80211_tdls_lnkie *lnkid;
2342 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2344 lnkid->ie_type = WLAN_EID_LINK_ID;
2345 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2347 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2348 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2349 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2353 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2354 u8 *peer, u8 action_code, u8 dialog_token,
2355 u16 status_code, struct sk_buff *skb)
2357 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2358 struct ieee80211_tdls_data *tf;
2360 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2362 memcpy(tf->da, peer, ETH_ALEN);
2363 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2364 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2365 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2367 switch (action_code) {
2368 case WLAN_TDLS_SETUP_REQUEST:
2369 tf->category = WLAN_CATEGORY_TDLS;
2370 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2372 skb_put(skb, sizeof(tf->u.setup_req));
2373 tf->u.setup_req.dialog_token = dialog_token;
2374 tf->u.setup_req.capability =
2375 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2377 ieee80211_add_srates_ie(&sdata->vif, skb);
2378 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2379 ieee80211_tdls_add_ext_capab(skb);
2381 case WLAN_TDLS_SETUP_RESPONSE:
2382 tf->category = WLAN_CATEGORY_TDLS;
2383 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2385 skb_put(skb, sizeof(tf->u.setup_resp));
2386 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2387 tf->u.setup_resp.dialog_token = dialog_token;
2388 tf->u.setup_resp.capability =
2389 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2391 ieee80211_add_srates_ie(&sdata->vif, skb);
2392 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2393 ieee80211_tdls_add_ext_capab(skb);
2395 case WLAN_TDLS_SETUP_CONFIRM:
2396 tf->category = WLAN_CATEGORY_TDLS;
2397 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2399 skb_put(skb, sizeof(tf->u.setup_cfm));
2400 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2401 tf->u.setup_cfm.dialog_token = dialog_token;
2403 case WLAN_TDLS_TEARDOWN:
2404 tf->category = WLAN_CATEGORY_TDLS;
2405 tf->action_code = WLAN_TDLS_TEARDOWN;
2407 skb_put(skb, sizeof(tf->u.teardown));
2408 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2410 case WLAN_TDLS_DISCOVERY_REQUEST:
2411 tf->category = WLAN_CATEGORY_TDLS;
2412 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2414 skb_put(skb, sizeof(tf->u.discover_req));
2415 tf->u.discover_req.dialog_token = dialog_token;
2425 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2426 u8 *peer, u8 action_code, u8 dialog_token,
2427 u16 status_code, struct sk_buff *skb)
2429 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2430 struct ieee80211_mgmt *mgmt;
2432 mgmt = (void *)skb_put(skb, 24);
2433 memset(mgmt, 0, 24);
2434 memcpy(mgmt->da, peer, ETH_ALEN);
2435 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2436 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2438 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2439 IEEE80211_STYPE_ACTION);
2441 switch (action_code) {
2442 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2443 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2444 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2445 mgmt->u.action.u.tdls_discover_resp.action_code =
2446 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2447 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2449 mgmt->u.action.u.tdls_discover_resp.capability =
2450 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2452 ieee80211_add_srates_ie(&sdata->vif, skb);
2453 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2454 ieee80211_tdls_add_ext_capab(skb);
2463 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2464 u8 *peer, u8 action_code, u8 dialog_token,
2465 u16 status_code, const u8 *extra_ies,
2466 size_t extra_ies_len)
2468 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2469 struct ieee80211_local *local = sdata->local;
2470 struct ieee80211_tx_info *info;
2471 struct sk_buff *skb = NULL;
2475 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2478 /* make sure we are in managed mode, and associated */
2479 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2480 !sdata->u.mgd.associated)
2483 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2484 printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
2487 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2488 max(sizeof(struct ieee80211_mgmt),
2489 sizeof(struct ieee80211_tdls_data)) +
2490 50 + /* supported rates */
2493 sizeof(struct ieee80211_tdls_lnkie));
2497 info = IEEE80211_SKB_CB(skb);
2498 skb_reserve(skb, local->hw.extra_tx_headroom);
2500 switch (action_code) {
2501 case WLAN_TDLS_SETUP_REQUEST:
2502 case WLAN_TDLS_SETUP_RESPONSE:
2503 case WLAN_TDLS_SETUP_CONFIRM:
2504 case WLAN_TDLS_TEARDOWN:
2505 case WLAN_TDLS_DISCOVERY_REQUEST:
2506 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2507 action_code, dialog_token,
2509 send_direct = false;
2511 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2512 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2513 dialog_token, status_code,
2526 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2528 /* the TDLS link IE is always added last */
2529 switch (action_code) {
2530 case WLAN_TDLS_SETUP_REQUEST:
2531 case WLAN_TDLS_SETUP_CONFIRM:
2532 case WLAN_TDLS_TEARDOWN:
2533 case WLAN_TDLS_DISCOVERY_REQUEST:
2534 /* we are the initiator */
2535 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2536 sdata->u.mgd.bssid);
2538 case WLAN_TDLS_SETUP_RESPONSE:
2539 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2540 /* we are the responder */
2541 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2542 sdata->u.mgd.bssid);
2550 ieee80211_tx_skb(sdata, skb);
2555 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2556 * we should default to AC_VI.
2558 switch (action_code) {
2559 case WLAN_TDLS_SETUP_REQUEST:
2560 case WLAN_TDLS_SETUP_RESPONSE:
2561 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2565 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2570 /* disable bottom halves when entering the Tx path */
2572 ret = ieee80211_subif_start_xmit(skb, dev);
2582 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2583 u8 *peer, enum nl80211_tdls_operation oper)
2585 struct sta_info *sta;
2586 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2588 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2591 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2594 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2595 printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
2599 case NL80211_TDLS_ENABLE_LINK:
2601 sta = sta_info_get(sdata, peer);
2607 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
2610 case NL80211_TDLS_DISABLE_LINK:
2611 return sta_info_destroy_addr(sdata, peer);
2612 case NL80211_TDLS_TEARDOWN:
2613 case NL80211_TDLS_SETUP:
2614 case NL80211_TDLS_DISCOVERY_REQ:
2615 /* We don't support in-driver setup/teardown/discovery */
2624 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2625 const u8 *peer, u64 *cookie)
2627 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2628 struct ieee80211_local *local = sdata->local;
2629 struct ieee80211_qos_hdr *nullfunc;
2630 struct sk_buff *skb;
2631 int size = sizeof(*nullfunc);
2634 struct ieee80211_tx_info *info;
2635 struct sta_info *sta;
2638 sta = sta_info_get(sdata, peer);
2640 qos = test_sta_flag(sta, WLAN_STA_WME);
2648 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2649 IEEE80211_STYPE_QOS_NULLFUNC |
2650 IEEE80211_FCTL_FROMDS);
2653 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2654 IEEE80211_STYPE_NULLFUNC |
2655 IEEE80211_FCTL_FROMDS);
2658 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2664 skb_reserve(skb, local->hw.extra_tx_headroom);
2666 nullfunc = (void *) skb_put(skb, size);
2667 nullfunc->frame_control = fc;
2668 nullfunc->duration_id = 0;
2669 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2670 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2671 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2672 nullfunc->seq_ctrl = 0;
2674 info = IEEE80211_SKB_CB(skb);
2676 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2677 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2679 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2682 nullfunc->qos_ctrl = cpu_to_le16(7);
2685 ieee80211_xmit(sdata, skb);
2688 *cookie = (unsigned long) skb;
2692 static struct ieee80211_channel *
2693 ieee80211_wiphy_get_channel(struct wiphy *wiphy)
2695 struct ieee80211_local *local = wiphy_priv(wiphy);
2697 return local->oper_channel;
2700 struct cfg80211_ops mac80211_config_ops = {
2701 .add_virtual_intf = ieee80211_add_iface,
2702 .del_virtual_intf = ieee80211_del_iface,
2703 .change_virtual_intf = ieee80211_change_iface,
2704 .add_key = ieee80211_add_key,
2705 .del_key = ieee80211_del_key,
2706 .get_key = ieee80211_get_key,
2707 .set_default_key = ieee80211_config_default_key,
2708 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
2709 .add_beacon = ieee80211_add_beacon,
2710 .set_beacon = ieee80211_set_beacon,
2711 .del_beacon = ieee80211_del_beacon,
2712 .add_station = ieee80211_add_station,
2713 .del_station = ieee80211_del_station,
2714 .change_station = ieee80211_change_station,
2715 .get_station = ieee80211_get_station,
2716 .dump_station = ieee80211_dump_station,
2717 .dump_survey = ieee80211_dump_survey,
2718 #ifdef CONFIG_MAC80211_MESH
2719 .add_mpath = ieee80211_add_mpath,
2720 .del_mpath = ieee80211_del_mpath,
2721 .change_mpath = ieee80211_change_mpath,
2722 .get_mpath = ieee80211_get_mpath,
2723 .dump_mpath = ieee80211_dump_mpath,
2724 .update_mesh_config = ieee80211_update_mesh_config,
2725 .get_mesh_config = ieee80211_get_mesh_config,
2726 .join_mesh = ieee80211_join_mesh,
2727 .leave_mesh = ieee80211_leave_mesh,
2729 .change_bss = ieee80211_change_bss,
2730 .set_txq_params = ieee80211_set_txq_params,
2731 .set_channel = ieee80211_set_channel,
2732 .suspend = ieee80211_suspend,
2733 .resume = ieee80211_resume,
2734 .scan = ieee80211_scan,
2735 .sched_scan_start = ieee80211_sched_scan_start,
2736 .sched_scan_stop = ieee80211_sched_scan_stop,
2737 .auth = ieee80211_auth,
2738 .assoc = ieee80211_assoc,
2739 .deauth = ieee80211_deauth,
2740 .disassoc = ieee80211_disassoc,
2741 .join_ibss = ieee80211_join_ibss,
2742 .leave_ibss = ieee80211_leave_ibss,
2743 .set_wiphy_params = ieee80211_set_wiphy_params,
2744 .set_tx_power = ieee80211_set_tx_power,
2745 .get_tx_power = ieee80211_get_tx_power,
2746 .set_wds_peer = ieee80211_set_wds_peer,
2747 .rfkill_poll = ieee80211_rfkill_poll,
2748 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
2749 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
2750 .set_power_mgmt = ieee80211_set_power_mgmt,
2751 .set_bitrate_mask = ieee80211_set_bitrate_mask,
2752 .remain_on_channel = ieee80211_remain_on_channel,
2753 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2754 .mgmt_tx = ieee80211_mgmt_tx,
2755 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
2756 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2757 .mgmt_frame_register = ieee80211_mgmt_frame_register,
2758 .set_antenna = ieee80211_set_antenna,
2759 .get_antenna = ieee80211_get_antenna,
2760 .set_ringparam = ieee80211_set_ringparam,
2761 .get_ringparam = ieee80211_get_ringparam,
2762 .set_rekey_data = ieee80211_set_rekey_data,
2763 .tdls_oper = ieee80211_tdls_oper,
2764 .tdls_mgmt = ieee80211_tdls_mgmt,
2765 .probe_client = ieee80211_probe_client,
2766 .get_channel = ieee80211_wiphy_get_channel,
2767 .set_noack_map = ieee80211_set_noack_map,