2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <net/cfg80211.h>
16 #include "ieee80211_i.h"
17 #include "driver-ops.h"
22 static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
23 enum nl80211_iftype type,
25 struct vif_params *params)
27 struct ieee80211_local *local = wiphy_priv(wiphy);
28 struct net_device *dev;
29 struct ieee80211_sub_if_data *sdata;
32 err = ieee80211_if_add(local, name, &dev, type, params);
36 if (type == NL80211_IFTYPE_MONITOR && flags) {
37 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
38 sdata->u.mntr_flags = *flags;
44 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
46 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
51 static int ieee80211_change_iface(struct wiphy *wiphy,
52 struct net_device *dev,
53 enum nl80211_iftype type, u32 *flags,
54 struct vif_params *params)
56 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
59 ret = ieee80211_if_change_type(sdata, type);
63 if (type == NL80211_IFTYPE_AP_VLAN &&
64 params && params->use_4addr == 0)
65 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
66 else if (type == NL80211_IFTYPE_STATION &&
67 params && params->use_4addr >= 0)
68 sdata->u.mgd.use_4addr = params->use_4addr;
70 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
71 struct ieee80211_local *local = sdata->local;
73 if (ieee80211_sdata_running(sdata)) {
75 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
76 * changed while the interface is up.
77 * Else we would need to add a lot of cruft
78 * to update everything:
79 * cooked_mntrs, monitor and all fif_* counters
80 * reconfigure hardware
82 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
83 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
86 ieee80211_adjust_monitor_flags(sdata, -1);
87 sdata->u.mntr_flags = *flags;
88 ieee80211_adjust_monitor_flags(sdata, 1);
90 ieee80211_configure_filter(local);
93 * Because the interface is down, ieee80211_do_stop
94 * and ieee80211_do_open take care of "everything"
95 * mentioned in the comment above.
97 sdata->u.mntr_flags = *flags;
104 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
105 u8 key_idx, bool pairwise, const u8 *mac_addr,
106 struct key_params *params)
108 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
109 struct sta_info *sta = NULL;
110 struct ieee80211_key *key;
113 if (!ieee80211_sdata_running(sdata))
116 /* reject WEP and TKIP keys if WEP failed to initialize */
117 switch (params->cipher) {
118 case WLAN_CIPHER_SUITE_WEP40:
119 case WLAN_CIPHER_SUITE_TKIP:
120 case WLAN_CIPHER_SUITE_WEP104:
121 if (IS_ERR(sdata->local->wep_tx_tfm))
128 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
129 params->key, params->seq_len, params->seq);
134 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
136 mutex_lock(&sdata->local->sta_mtx);
139 if (ieee80211_vif_is_mesh(&sdata->vif))
140 sta = sta_info_get(sdata, mac_addr);
142 sta = sta_info_get_bss(sdata, mac_addr);
144 ieee80211_key_free(sdata->local, key);
150 err = ieee80211_key_link(key, sdata, sta);
152 ieee80211_key_free(sdata->local, key);
155 mutex_unlock(&sdata->local->sta_mtx);
160 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
161 u8 key_idx, bool pairwise, const u8 *mac_addr)
163 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
164 struct ieee80211_local *local = sdata->local;
165 struct sta_info *sta;
166 struct ieee80211_key *key = NULL;
169 mutex_lock(&local->sta_mtx);
170 mutex_lock(&local->key_mtx);
175 sta = sta_info_get_bss(sdata, mac_addr);
182 key = sta->gtk[key_idx];
184 key = sdata->keys[key_idx];
191 __ieee80211_key_free(key);
195 mutex_unlock(&local->key_mtx);
196 mutex_unlock(&local->sta_mtx);
201 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
202 u8 key_idx, bool pairwise, const u8 *mac_addr,
204 void (*callback)(void *cookie,
205 struct key_params *params))
207 struct ieee80211_sub_if_data *sdata;
208 struct sta_info *sta = NULL;
210 struct key_params params;
211 struct ieee80211_key *key = NULL;
216 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
221 sta = sta_info_get_bss(sdata, mac_addr);
226 key = rcu_dereference(sta->ptk);
227 else if (key_idx < NUM_DEFAULT_KEYS)
228 key = rcu_dereference(sta->gtk[key_idx]);
230 key = rcu_dereference(sdata->keys[key_idx]);
235 memset(¶ms, 0, sizeof(params));
237 params.cipher = key->conf.cipher;
239 switch (key->conf.cipher) {
240 case WLAN_CIPHER_SUITE_TKIP:
241 iv32 = key->u.tkip.tx.iv32;
242 iv16 = key->u.tkip.tx.iv16;
244 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
245 drv_get_tkip_seq(sdata->local,
246 key->conf.hw_key_idx,
249 seq[0] = iv16 & 0xff;
250 seq[1] = (iv16 >> 8) & 0xff;
251 seq[2] = iv32 & 0xff;
252 seq[3] = (iv32 >> 8) & 0xff;
253 seq[4] = (iv32 >> 16) & 0xff;
254 seq[5] = (iv32 >> 24) & 0xff;
258 case WLAN_CIPHER_SUITE_CCMP:
259 seq[0] = key->u.ccmp.tx_pn[5];
260 seq[1] = key->u.ccmp.tx_pn[4];
261 seq[2] = key->u.ccmp.tx_pn[3];
262 seq[3] = key->u.ccmp.tx_pn[2];
263 seq[4] = key->u.ccmp.tx_pn[1];
264 seq[5] = key->u.ccmp.tx_pn[0];
268 case WLAN_CIPHER_SUITE_AES_CMAC:
269 seq[0] = key->u.aes_cmac.tx_pn[5];
270 seq[1] = key->u.aes_cmac.tx_pn[4];
271 seq[2] = key->u.aes_cmac.tx_pn[3];
272 seq[3] = key->u.aes_cmac.tx_pn[2];
273 seq[4] = key->u.aes_cmac.tx_pn[1];
274 seq[5] = key->u.aes_cmac.tx_pn[0];
280 params.key = key->conf.key;
281 params.key_len = key->conf.keylen;
283 callback(cookie, ¶ms);
291 static int ieee80211_config_default_key(struct wiphy *wiphy,
292 struct net_device *dev,
293 u8 key_idx, bool uni,
296 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
298 ieee80211_set_default_key(sdata, key_idx, uni, multi);
303 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
304 struct net_device *dev,
307 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
309 ieee80211_set_default_mgmt_key(sdata, key_idx);
314 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
316 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
317 struct ieee80211_supported_band *sband;
318 sband = sta->local->hw.wiphy->bands[
319 sta->local->hw.conf.channel->band];
320 rate->legacy = sband->bitrates[idx].bitrate;
325 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
327 struct ieee80211_sub_if_data *sdata = sta->sdata;
328 struct timespec uptime;
330 sinfo->generation = sdata->local->sta_generation;
332 sinfo->filled = STATION_INFO_INACTIVE_TIME |
333 STATION_INFO_RX_BYTES |
334 STATION_INFO_TX_BYTES |
335 STATION_INFO_RX_PACKETS |
336 STATION_INFO_TX_PACKETS |
337 STATION_INFO_TX_RETRIES |
338 STATION_INFO_TX_FAILED |
339 STATION_INFO_TX_BITRATE |
340 STATION_INFO_RX_BITRATE |
341 STATION_INFO_RX_DROP_MISC |
342 STATION_INFO_BSS_PARAM |
343 STATION_INFO_CONNECTED_TIME;
345 do_posix_clock_monotonic_gettime(&uptime);
346 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
348 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
349 sinfo->rx_bytes = sta->rx_bytes;
350 sinfo->tx_bytes = sta->tx_bytes;
351 sinfo->rx_packets = sta->rx_packets;
352 sinfo->tx_packets = sta->tx_packets;
353 sinfo->tx_retries = sta->tx_retry_count;
354 sinfo->tx_failed = sta->tx_retry_failed;
355 sinfo->rx_dropped_misc = sta->rx_dropped;
357 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
358 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
359 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
360 sinfo->signal = (s8)sta->last_signal;
361 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
364 sinfo->txrate.flags = 0;
365 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
366 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
367 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
368 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
369 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
370 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
371 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
373 sinfo->rxrate.flags = 0;
374 if (sta->last_rx_rate_flag & RX_FLAG_HT)
375 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
376 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
377 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
378 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
379 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
380 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
382 if (ieee80211_vif_is_mesh(&sdata->vif)) {
383 #ifdef CONFIG_MAC80211_MESH
384 sinfo->filled |= STATION_INFO_LLID |
386 STATION_INFO_PLINK_STATE;
388 sinfo->llid = le16_to_cpu(sta->llid);
389 sinfo->plid = le16_to_cpu(sta->plid);
390 sinfo->plink_state = sta->plink_state;
394 sinfo->bss_param.flags = 0;
395 if (sdata->vif.bss_conf.use_cts_prot)
396 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
397 if (sdata->vif.bss_conf.use_short_preamble)
398 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
399 if (sdata->vif.bss_conf.use_short_slot)
400 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
401 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
402 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
406 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
407 int idx, u8 *mac, struct station_info *sinfo)
409 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
410 struct sta_info *sta;
415 sta = sta_info_get_by_idx(sdata, idx);
418 memcpy(mac, sta->sta.addr, ETH_ALEN);
419 sta_set_sinfo(sta, sinfo);
427 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
428 int idx, struct survey_info *survey)
430 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
432 return drv_get_survey(local, idx, survey);
435 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
436 u8 *mac, struct station_info *sinfo)
438 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
439 struct sta_info *sta;
444 sta = sta_info_get_bss(sdata, mac);
447 sta_set_sinfo(sta, sinfo);
456 * This handles both adding a beacon and setting new beacon info
458 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
459 struct beacon_parameters *params)
461 struct beacon_data *new, *old;
462 int new_head_len, new_tail_len;
466 old = sdata->u.ap.beacon;
468 /* head must not be zero-length */
469 if (params->head && !params->head_len)
473 * This is a kludge. beacon interval should really be part
474 * of the beacon information.
476 if (params->interval &&
477 (sdata->vif.bss_conf.beacon_int != params->interval)) {
478 sdata->vif.bss_conf.beacon_int = params->interval;
479 ieee80211_bss_info_change_notify(sdata,
480 BSS_CHANGED_BEACON_INT);
483 /* Need to have a beacon head if we don't have one yet */
484 if (!params->head && !old)
487 /* sorry, no way to start beaconing without dtim period */
488 if (!params->dtim_period && !old)
491 /* new or old head? */
493 new_head_len = params->head_len;
495 new_head_len = old->head_len;
497 /* new or old tail? */
498 if (params->tail || !old)
499 /* params->tail_len will be zero for !params->tail */
500 new_tail_len = params->tail_len;
502 new_tail_len = old->tail_len;
504 size = sizeof(*new) + new_head_len + new_tail_len;
506 new = kzalloc(size, GFP_KERNEL);
510 /* start filling the new info now */
512 /* new or old dtim period? */
513 if (params->dtim_period)
514 new->dtim_period = params->dtim_period;
516 new->dtim_period = old->dtim_period;
519 * pointers go into the block we allocated,
520 * memory is | beacon_data | head | tail |
522 new->head = ((u8 *) new) + sizeof(*new);
523 new->tail = new->head + new_head_len;
524 new->head_len = new_head_len;
525 new->tail_len = new_tail_len;
529 memcpy(new->head, params->head, new_head_len);
531 memcpy(new->head, old->head, new_head_len);
533 /* copy in optional tail */
535 memcpy(new->tail, params->tail, new_tail_len);
538 memcpy(new->tail, old->tail, new_tail_len);
540 sdata->vif.bss_conf.dtim_period = new->dtim_period;
542 rcu_assign_pointer(sdata->u.ap.beacon, new);
548 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
553 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
554 struct beacon_parameters *params)
556 struct ieee80211_sub_if_data *sdata;
557 struct beacon_data *old;
559 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
561 old = sdata->u.ap.beacon;
566 return ieee80211_config_beacon(sdata, params);
569 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
570 struct beacon_parameters *params)
572 struct ieee80211_sub_if_data *sdata;
573 struct beacon_data *old;
575 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
577 old = sdata->u.ap.beacon;
582 return ieee80211_config_beacon(sdata, params);
585 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
587 struct ieee80211_sub_if_data *sdata;
588 struct beacon_data *old;
590 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
592 old = sdata->u.ap.beacon;
597 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
601 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
605 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
606 struct iapp_layer2_update {
607 u8 da[ETH_ALEN]; /* broadcast */
608 u8 sa[ETH_ALEN]; /* STA addr */
616 static void ieee80211_send_layer2_update(struct sta_info *sta)
618 struct iapp_layer2_update *msg;
621 /* Send Level 2 Update Frame to update forwarding tables in layer 2
624 skb = dev_alloc_skb(sizeof(*msg));
627 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
629 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
630 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
632 memset(msg->da, 0xff, ETH_ALEN);
633 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
636 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
637 msg->control = 0xaf; /* XID response lsb.1111F101.
638 * F=0 (no poll command; unsolicited frame) */
639 msg->xid_info[0] = 0x81; /* XID format identifier */
640 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
641 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
643 skb->dev = sta->sdata->dev;
644 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
645 memset(skb->cb, 0, sizeof(skb->cb));
649 static void sta_apply_parameters(struct ieee80211_local *local,
650 struct sta_info *sta,
651 struct station_parameters *params)
656 struct ieee80211_supported_band *sband;
657 struct ieee80211_sub_if_data *sdata = sta->sdata;
660 sband = local->hw.wiphy->bands[local->oper_channel->band];
662 spin_lock_irqsave(&sta->flaglock, flags);
663 mask = params->sta_flags_mask;
664 set = params->sta_flags_set;
666 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
667 sta->flags &= ~WLAN_STA_AUTHORIZED;
668 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
669 sta->flags |= WLAN_STA_AUTHORIZED;
672 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
673 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
674 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
675 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
678 if (mask & BIT(NL80211_STA_FLAG_WME)) {
679 sta->flags &= ~WLAN_STA_WME;
680 if (set & BIT(NL80211_STA_FLAG_WME))
681 sta->flags |= WLAN_STA_WME;
684 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
685 sta->flags &= ~WLAN_STA_MFP;
686 if (set & BIT(NL80211_STA_FLAG_MFP))
687 sta->flags |= WLAN_STA_MFP;
690 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
691 sta->flags &= ~WLAN_STA_AUTH;
692 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
693 sta->flags |= WLAN_STA_AUTH;
695 spin_unlock_irqrestore(&sta->flaglock, flags);
698 * cfg80211 validates this (1-2007) and allows setting the AID
699 * only when creating a new station entry
702 sta->sta.aid = params->aid;
705 * FIXME: updating the following information is racy when this
706 * function is called from ieee80211_change_station().
707 * However, all this information should be static so
708 * maybe we should just reject attemps to change it.
711 if (params->listen_interval >= 0)
712 sta->listen_interval = params->listen_interval;
714 if (params->supported_rates) {
717 for (i = 0; i < params->supported_rates_len; i++) {
718 int rate = (params->supported_rates[i] & 0x7f) * 5;
719 for (j = 0; j < sband->n_bitrates; j++) {
720 if (sband->bitrates[j].bitrate == rate)
724 sta->sta.supp_rates[local->oper_channel->band] = rates;
728 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
732 if (ieee80211_vif_is_mesh(&sdata->vif)) {
733 #ifdef CONFIG_MAC80211_MESH
734 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
735 switch (params->plink_state) {
739 sta->plink_state = params->plink_state;
746 switch (params->plink_action) {
747 case PLINK_ACTION_OPEN:
748 mesh_plink_open(sta);
750 case PLINK_ACTION_BLOCK:
751 mesh_plink_block(sta);
758 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
759 u8 *mac, struct station_parameters *params)
761 struct ieee80211_local *local = wiphy_priv(wiphy);
762 struct sta_info *sta;
763 struct ieee80211_sub_if_data *sdata;
768 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
770 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
771 sdata->vif.type != NL80211_IFTYPE_AP)
774 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
776 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
779 if (is_multicast_ether_addr(mac))
782 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
786 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
788 sta_apply_parameters(local, sta, params);
790 rate_control_rate_init(sta);
792 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
793 sdata->vif.type == NL80211_IFTYPE_AP;
795 err = sta_info_insert_rcu(sta);
802 ieee80211_send_layer2_update(sta);
809 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
812 struct ieee80211_local *local = wiphy_priv(wiphy);
813 struct ieee80211_sub_if_data *sdata;
815 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
818 return sta_info_destroy_addr_bss(sdata, mac);
820 sta_info_flush(local, sdata);
824 static int ieee80211_change_station(struct wiphy *wiphy,
825 struct net_device *dev,
827 struct station_parameters *params)
829 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
830 struct ieee80211_local *local = wiphy_priv(wiphy);
831 struct sta_info *sta;
832 struct ieee80211_sub_if_data *vlansdata;
836 sta = sta_info_get_bss(sdata, mac);
842 if (params->vlan && params->vlan != sta->sdata->dev) {
843 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
845 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
846 vlansdata->vif.type != NL80211_IFTYPE_AP) {
851 if (params->vlan->ieee80211_ptr->use_4addr) {
852 if (vlansdata->u.vlan.sta) {
857 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
860 sta->sdata = vlansdata;
861 ieee80211_send_layer2_update(sta);
864 sta_apply_parameters(local, sta, params);
868 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
869 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
870 ieee80211_recalc_ps(local, -1);
875 #ifdef CONFIG_MAC80211_MESH
876 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
877 u8 *dst, u8 *next_hop)
879 struct ieee80211_sub_if_data *sdata;
880 struct mesh_path *mpath;
881 struct sta_info *sta;
884 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
887 sta = sta_info_get(sdata, next_hop);
893 err = mesh_path_add(dst, sdata);
899 mpath = mesh_path_lookup(dst, sdata);
904 mesh_path_fix_nexthop(mpath, sta);
910 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
913 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
916 return mesh_path_del(dst, sdata);
918 mesh_path_flush(sdata);
922 static int ieee80211_change_mpath(struct wiphy *wiphy,
923 struct net_device *dev,
924 u8 *dst, u8 *next_hop)
926 struct ieee80211_sub_if_data *sdata;
927 struct mesh_path *mpath;
928 struct sta_info *sta;
930 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
934 sta = sta_info_get(sdata, next_hop);
940 mpath = mesh_path_lookup(dst, sdata);
946 mesh_path_fix_nexthop(mpath, sta);
952 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
953 struct mpath_info *pinfo)
955 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
958 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
960 memset(next_hop, 0, ETH_ALEN);
962 pinfo->generation = mesh_paths_generation;
964 pinfo->filled = MPATH_INFO_FRAME_QLEN |
968 MPATH_INFO_DISCOVERY_TIMEOUT |
969 MPATH_INFO_DISCOVERY_RETRIES |
972 pinfo->frame_qlen = mpath->frame_queue.qlen;
973 pinfo->sn = mpath->sn;
974 pinfo->metric = mpath->metric;
975 if (time_before(jiffies, mpath->exp_time))
976 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
977 pinfo->discovery_timeout =
978 jiffies_to_msecs(mpath->discovery_timeout);
979 pinfo->discovery_retries = mpath->discovery_retries;
981 if (mpath->flags & MESH_PATH_ACTIVE)
982 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
983 if (mpath->flags & MESH_PATH_RESOLVING)
984 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
985 if (mpath->flags & MESH_PATH_SN_VALID)
986 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
987 if (mpath->flags & MESH_PATH_FIXED)
988 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
989 if (mpath->flags & MESH_PATH_RESOLVING)
990 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
992 pinfo->flags = mpath->flags;
995 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
996 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
999 struct ieee80211_sub_if_data *sdata;
1000 struct mesh_path *mpath;
1002 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1005 mpath = mesh_path_lookup(dst, sdata);
1010 memcpy(dst, mpath->dst, ETH_ALEN);
1011 mpath_set_pinfo(mpath, next_hop, pinfo);
1016 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1017 int idx, u8 *dst, u8 *next_hop,
1018 struct mpath_info *pinfo)
1020 struct ieee80211_sub_if_data *sdata;
1021 struct mesh_path *mpath;
1023 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1026 mpath = mesh_path_lookup_by_idx(idx, sdata);
1031 memcpy(dst, mpath->dst, ETH_ALEN);
1032 mpath_set_pinfo(mpath, next_hop, pinfo);
1037 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1038 struct net_device *dev,
1039 struct mesh_config *conf)
1041 struct ieee80211_sub_if_data *sdata;
1042 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1044 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1048 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1050 return (mask >> (parm-1)) & 0x1;
1053 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1054 const struct mesh_setup *setup)
1059 /* allocate information elements */
1063 if (setup->ie_len) {
1064 new_ie = kmemdup(setup->ie, setup->ie_len,
1069 ifmsh->ie_len = setup->ie_len;
1073 /* now copy the rest of the setup parameters */
1074 ifmsh->mesh_id_len = setup->mesh_id_len;
1075 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1076 ifmsh->mesh_pp_id = setup->path_sel_proto;
1077 ifmsh->mesh_pm_id = setup->path_metric;
1078 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1079 if (setup->is_authenticated)
1080 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1081 if (setup->is_secure)
1082 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1087 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1088 struct net_device *dev, u32 mask,
1089 const struct mesh_config *nconf)
1091 struct mesh_config *conf;
1092 struct ieee80211_sub_if_data *sdata;
1093 struct ieee80211_if_mesh *ifmsh;
1095 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1096 ifmsh = &sdata->u.mesh;
1098 /* Set the config options which we are interested in setting */
1099 conf = &(sdata->u.mesh.mshcfg);
1100 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1101 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1102 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1103 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1104 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1105 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1106 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1107 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1108 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1109 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1110 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1111 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1112 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1113 conf->dot11MeshTTL = nconf->element_ttl;
1114 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1115 conf->auto_open_plinks = nconf->auto_open_plinks;
1116 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1117 conf->dot11MeshHWMPmaxPREQretries =
1118 nconf->dot11MeshHWMPmaxPREQretries;
1119 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1120 conf->path_refresh_time = nconf->path_refresh_time;
1121 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1122 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1123 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1124 conf->dot11MeshHWMPactivePathTimeout =
1125 nconf->dot11MeshHWMPactivePathTimeout;
1126 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1127 conf->dot11MeshHWMPpreqMinInterval =
1128 nconf->dot11MeshHWMPpreqMinInterval;
1129 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1131 conf->dot11MeshHWMPnetDiameterTraversalTime =
1132 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1133 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1134 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1135 ieee80211_mesh_root_setup(ifmsh);
1140 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1141 const struct mesh_config *conf,
1142 const struct mesh_setup *setup)
1144 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1145 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1148 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1149 err = copy_mesh_setup(ifmsh, setup);
1152 ieee80211_start_mesh(sdata);
1157 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1159 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1161 ieee80211_stop_mesh(sdata);
1167 static int ieee80211_change_bss(struct wiphy *wiphy,
1168 struct net_device *dev,
1169 struct bss_parameters *params)
1171 struct ieee80211_sub_if_data *sdata;
1174 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1176 if (params->use_cts_prot >= 0) {
1177 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1178 changed |= BSS_CHANGED_ERP_CTS_PROT;
1180 if (params->use_short_preamble >= 0) {
1181 sdata->vif.bss_conf.use_short_preamble =
1182 params->use_short_preamble;
1183 changed |= BSS_CHANGED_ERP_PREAMBLE;
1186 if (!sdata->vif.bss_conf.use_short_slot &&
1187 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1188 sdata->vif.bss_conf.use_short_slot = true;
1189 changed |= BSS_CHANGED_ERP_SLOT;
1192 if (params->use_short_slot_time >= 0) {
1193 sdata->vif.bss_conf.use_short_slot =
1194 params->use_short_slot_time;
1195 changed |= BSS_CHANGED_ERP_SLOT;
1198 if (params->basic_rates) {
1201 struct ieee80211_local *local = wiphy_priv(wiphy);
1202 struct ieee80211_supported_band *sband =
1203 wiphy->bands[local->oper_channel->band];
1205 for (i = 0; i < params->basic_rates_len; i++) {
1206 int rate = (params->basic_rates[i] & 0x7f) * 5;
1207 for (j = 0; j < sband->n_bitrates; j++) {
1208 if (sband->bitrates[j].bitrate == rate)
1212 sdata->vif.bss_conf.basic_rates = rates;
1213 changed |= BSS_CHANGED_BASIC_RATES;
1216 if (params->ap_isolate >= 0) {
1217 if (params->ap_isolate)
1218 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1220 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1223 if (params->ht_opmode >= 0) {
1224 sdata->vif.bss_conf.ht_operation_mode =
1225 (u16) params->ht_opmode;
1226 changed |= BSS_CHANGED_HT;
1229 ieee80211_bss_info_change_notify(sdata, changed);
1234 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1235 struct ieee80211_txq_params *params)
1237 struct ieee80211_local *local = wiphy_priv(wiphy);
1238 struct ieee80211_tx_queue_params p;
1240 if (!local->ops->conf_tx)
1243 memset(&p, 0, sizeof(p));
1244 p.aifs = params->aifs;
1245 p.cw_max = params->cwmax;
1246 p.cw_min = params->cwmin;
1247 p.txop = params->txop;
1250 * Setting tx queue params disables u-apsd because it's only
1251 * called in master mode.
1255 if (drv_conf_tx(local, params->queue, &p)) {
1256 wiphy_debug(local->hw.wiphy,
1257 "failed to set TX queue parameters for queue %d\n",
1265 static int ieee80211_set_channel(struct wiphy *wiphy,
1266 struct net_device *netdev,
1267 struct ieee80211_channel *chan,
1268 enum nl80211_channel_type channel_type)
1270 struct ieee80211_local *local = wiphy_priv(wiphy);
1271 struct ieee80211_sub_if_data *sdata = NULL;
1272 struct ieee80211_channel *old_oper;
1273 enum nl80211_channel_type old_oper_type;
1274 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
1277 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1279 switch (ieee80211_get_channel_mode(local, NULL)) {
1280 case CHAN_MODE_HOPPING:
1282 case CHAN_MODE_FIXED:
1283 if (local->oper_channel != chan)
1285 if (!sdata && local->_oper_channel_type == channel_type)
1288 case CHAN_MODE_UNDEFINED:
1293 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1294 old_oper_type = local->_oper_channel_type;
1296 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1299 old_oper = local->oper_channel;
1300 local->oper_channel = chan;
1302 /* Update driver if changes were actually made. */
1303 if ((old_oper != local->oper_channel) ||
1304 (old_oper_type != local->_oper_channel_type))
1305 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1307 if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) &&
1308 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
1309 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1315 static int ieee80211_suspend(struct wiphy *wiphy,
1316 struct cfg80211_wowlan *wowlan)
1318 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1321 static int ieee80211_resume(struct wiphy *wiphy)
1323 return __ieee80211_resume(wiphy_priv(wiphy));
1326 #define ieee80211_suspend NULL
1327 #define ieee80211_resume NULL
1330 static int ieee80211_scan(struct wiphy *wiphy,
1331 struct net_device *dev,
1332 struct cfg80211_scan_request *req)
1334 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1336 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1337 case NL80211_IFTYPE_STATION:
1338 case NL80211_IFTYPE_ADHOC:
1339 case NL80211_IFTYPE_MESH_POINT:
1340 case NL80211_IFTYPE_P2P_CLIENT:
1342 case NL80211_IFTYPE_P2P_GO:
1343 if (sdata->local->ops->hw_scan)
1346 * FIXME: implement NoA while scanning in software,
1347 * for now fall through to allow scanning only when
1348 * beaconing hasn't been configured yet
1350 case NL80211_IFTYPE_AP:
1351 if (sdata->u.ap.beacon)
1358 return ieee80211_request_scan(sdata, req);
1362 ieee80211_sched_scan_start(struct wiphy *wiphy,
1363 struct net_device *dev,
1364 struct cfg80211_sched_scan_request *req)
1366 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1368 if (!sdata->local->ops->sched_scan_start)
1371 return ieee80211_request_sched_scan_start(sdata, req);
1375 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
1376 bool driver_initiated)
1378 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1380 if (!sdata->local->ops->sched_scan_stop)
1383 return ieee80211_request_sched_scan_stop(sdata, driver_initiated);
1386 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1387 struct cfg80211_auth_request *req)
1389 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1392 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1393 struct cfg80211_assoc_request *req)
1395 struct ieee80211_local *local = wiphy_priv(wiphy);
1396 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1398 switch (ieee80211_get_channel_mode(local, sdata)) {
1399 case CHAN_MODE_HOPPING:
1401 case CHAN_MODE_FIXED:
1402 if (local->oper_channel == req->bss->channel)
1405 case CHAN_MODE_UNDEFINED:
1409 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1412 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1413 struct cfg80211_deauth_request *req,
1416 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1420 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1421 struct cfg80211_disassoc_request *req,
1424 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1428 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1429 struct cfg80211_ibss_params *params)
1431 struct ieee80211_local *local = wiphy_priv(wiphy);
1432 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1434 switch (ieee80211_get_channel_mode(local, sdata)) {
1435 case CHAN_MODE_HOPPING:
1437 case CHAN_MODE_FIXED:
1438 if (!params->channel_fixed)
1440 if (local->oper_channel == params->channel)
1443 case CHAN_MODE_UNDEFINED:
1447 return ieee80211_ibss_join(sdata, params);
1450 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1452 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1454 return ieee80211_ibss_leave(sdata);
1457 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1459 struct ieee80211_local *local = wiphy_priv(wiphy);
1462 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1463 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1469 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1470 err = drv_set_coverage_class(local, wiphy->coverage_class);
1476 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1477 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1483 if (changed & WIPHY_PARAM_RETRY_SHORT)
1484 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1485 if (changed & WIPHY_PARAM_RETRY_LONG)
1486 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1488 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1489 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1494 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1495 enum nl80211_tx_power_setting type, int mbm)
1497 struct ieee80211_local *local = wiphy_priv(wiphy);
1498 struct ieee80211_channel *chan = local->hw.conf.channel;
1502 case NL80211_TX_POWER_AUTOMATIC:
1503 local->user_power_level = -1;
1505 case NL80211_TX_POWER_LIMITED:
1506 if (mbm < 0 || (mbm % 100))
1508 local->user_power_level = MBM_TO_DBM(mbm);
1510 case NL80211_TX_POWER_FIXED:
1511 if (mbm < 0 || (mbm % 100))
1513 /* TODO: move to cfg80211 when it knows the channel */
1514 if (MBM_TO_DBM(mbm) > chan->max_power)
1516 local->user_power_level = MBM_TO_DBM(mbm);
1520 ieee80211_hw_config(local, changes);
1525 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1527 struct ieee80211_local *local = wiphy_priv(wiphy);
1529 *dbm = local->hw.conf.power_level;
1534 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1537 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1539 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1544 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1546 struct ieee80211_local *local = wiphy_priv(wiphy);
1548 drv_rfkill_poll(local);
1551 #ifdef CONFIG_NL80211_TESTMODE
1552 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1554 struct ieee80211_local *local = wiphy_priv(wiphy);
1556 if (!local->ops->testmode_cmd)
1559 return local->ops->testmode_cmd(&local->hw, data, len);
1563 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1564 enum ieee80211_smps_mode smps_mode)
1567 enum ieee80211_smps_mode old_req;
1570 lockdep_assert_held(&sdata->u.mgd.mtx);
1572 old_req = sdata->u.mgd.req_smps;
1573 sdata->u.mgd.req_smps = smps_mode;
1575 if (old_req == smps_mode &&
1576 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1580 * If not associated, or current association is not an HT
1581 * association, there's no need to send an action frame.
1583 if (!sdata->u.mgd.associated ||
1584 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1585 mutex_lock(&sdata->local->iflist_mtx);
1586 ieee80211_recalc_smps(sdata->local);
1587 mutex_unlock(&sdata->local->iflist_mtx);
1591 ap = sdata->u.mgd.associated->bssid;
1593 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1594 if (sdata->u.mgd.powersave)
1595 smps_mode = IEEE80211_SMPS_DYNAMIC;
1597 smps_mode = IEEE80211_SMPS_OFF;
1600 /* send SM PS frame to AP */
1601 err = ieee80211_send_smps_action(sdata, smps_mode,
1604 sdata->u.mgd.req_smps = old_req;
1609 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1610 bool enabled, int timeout)
1612 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1613 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1615 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1618 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1621 if (enabled == sdata->u.mgd.powersave &&
1622 timeout == local->dynamic_ps_forced_timeout)
1625 sdata->u.mgd.powersave = enabled;
1626 local->dynamic_ps_forced_timeout = timeout;
1628 /* no change, but if automatic follow powersave */
1629 mutex_lock(&sdata->u.mgd.mtx);
1630 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1631 mutex_unlock(&sdata->u.mgd.mtx);
1633 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1634 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1636 ieee80211_recalc_ps(local, -1);
1641 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1642 struct net_device *dev,
1643 s32 rssi_thold, u32 rssi_hyst)
1645 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1646 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1647 struct ieee80211_vif *vif = &sdata->vif;
1648 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1650 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1651 rssi_hyst == bss_conf->cqm_rssi_hyst)
1654 bss_conf->cqm_rssi_thold = rssi_thold;
1655 bss_conf->cqm_rssi_hyst = rssi_hyst;
1657 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1658 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1663 /* tell the driver upon association, unless already associated */
1664 if (sdata->u.mgd.associated)
1665 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1670 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1671 struct net_device *dev,
1673 const struct cfg80211_bitrate_mask *mask)
1675 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1676 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1679 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
1680 ret = drv_set_bitrate_mask(local, sdata, mask);
1685 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1686 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1691 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1692 struct net_device *dev,
1693 struct ieee80211_channel *chan,
1694 enum nl80211_channel_type chantype,
1695 unsigned int duration, u64 *cookie)
1700 lockdep_assert_held(&local->mtx);
1702 if (local->hw_roc_cookie)
1704 /* must be nonzero */
1705 random_cookie = random32() | 1;
1707 *cookie = random_cookie;
1708 local->hw_roc_dev = dev;
1709 local->hw_roc_cookie = random_cookie;
1710 local->hw_roc_channel = chan;
1711 local->hw_roc_channel_type = chantype;
1712 local->hw_roc_duration = duration;
1713 ret = drv_remain_on_channel(local, chan, chantype, duration);
1715 local->hw_roc_channel = NULL;
1716 local->hw_roc_cookie = 0;
1722 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1723 struct net_device *dev,
1724 struct ieee80211_channel *chan,
1725 enum nl80211_channel_type channel_type,
1726 unsigned int duration,
1729 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1730 struct ieee80211_local *local = sdata->local;
1732 if (local->ops->remain_on_channel) {
1735 mutex_lock(&local->mtx);
1736 ret = ieee80211_remain_on_channel_hw(local, dev,
1739 local->hw_roc_for_tx = false;
1740 mutex_unlock(&local->mtx);
1745 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1749 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1754 lockdep_assert_held(&local->mtx);
1756 if (local->hw_roc_cookie != cookie)
1759 ret = drv_cancel_remain_on_channel(local);
1763 local->hw_roc_cookie = 0;
1764 local->hw_roc_channel = NULL;
1766 ieee80211_recalc_idle(local);
1771 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1772 struct net_device *dev,
1775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1776 struct ieee80211_local *local = sdata->local;
1778 if (local->ops->cancel_remain_on_channel) {
1781 mutex_lock(&local->mtx);
1782 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1783 mutex_unlock(&local->mtx);
1788 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1791 static enum work_done_result
1792 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1795 * Use the data embedded in the work struct for reporting
1796 * here so if the driver mangled the SKB before dropping
1797 * it (which is the only way we really should get here)
1798 * then we don't report mangled data.
1800 * If there was no wait time, then by the time we get here
1801 * the driver will likely not have reported the status yet,
1802 * so in that case userspace will have to deal with it.
1805 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1806 cfg80211_mgmt_tx_status(wk->sdata->dev,
1807 (unsigned long) wk->offchan_tx.frame,
1808 wk->ie, wk->ie_len, false, GFP_KERNEL);
1810 return WORK_DONE_DESTROY;
1813 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
1814 struct ieee80211_channel *chan, bool offchan,
1815 enum nl80211_channel_type channel_type,
1816 bool channel_type_valid, unsigned int wait,
1817 const u8 *buf, size_t len, u64 *cookie)
1819 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1820 struct ieee80211_local *local = sdata->local;
1821 struct sk_buff *skb;
1822 struct sta_info *sta;
1823 struct ieee80211_work *wk;
1824 const struct ieee80211_mgmt *mgmt = (void *)buf;
1825 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1826 IEEE80211_TX_CTL_REQ_TX_STATUS;
1827 bool is_offchan = false;
1829 /* Check that we are on the requested channel for transmission */
1830 if (chan != local->tmp_channel &&
1831 chan != local->oper_channel)
1833 if (channel_type_valid &&
1834 (channel_type != local->tmp_channel_type &&
1835 channel_type != local->_oper_channel_type))
1838 if (chan == local->hw_roc_channel) {
1839 /* TODO: check channel type? */
1841 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
1844 if (is_offchan && !offchan)
1847 switch (sdata->vif.type) {
1848 case NL80211_IFTYPE_ADHOC:
1849 case NL80211_IFTYPE_AP:
1850 case NL80211_IFTYPE_AP_VLAN:
1851 case NL80211_IFTYPE_P2P_GO:
1852 case NL80211_IFTYPE_MESH_POINT:
1853 if (!ieee80211_is_action(mgmt->frame_control) ||
1854 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
1857 sta = sta_info_get(sdata, mgmt->da);
1862 case NL80211_IFTYPE_STATION:
1863 case NL80211_IFTYPE_P2P_CLIENT:
1869 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1872 skb_reserve(skb, local->hw.extra_tx_headroom);
1874 memcpy(skb_put(skb, len), buf, len);
1876 IEEE80211_SKB_CB(skb)->flags = flags;
1878 skb->dev = sdata->dev;
1880 *cookie = (unsigned long) skb;
1882 if (is_offchan && local->ops->offchannel_tx) {
1885 IEEE80211_SKB_CB(skb)->band = chan->band;
1887 mutex_lock(&local->mtx);
1889 if (local->hw_offchan_tx_cookie) {
1890 mutex_unlock(&local->mtx);
1894 /* TODO: bitrate control, TX processing? */
1895 ret = drv_offchannel_tx(local, skb, chan, channel_type, wait);
1898 local->hw_offchan_tx_cookie = *cookie;
1899 mutex_unlock(&local->mtx);
1902 * Allow driver to return 1 to indicate it wants to have the
1903 * frame transmitted with a remain_on_channel + regular TX.
1909 if (is_offchan && local->ops->remain_on_channel) {
1910 unsigned int duration;
1913 mutex_lock(&local->mtx);
1915 * If the duration is zero, then the driver
1916 * wouldn't actually do anything. Set it to
1919 * TODO: cancel the off-channel operation
1920 * when we get the SKB's TX status and
1921 * the wait time was zero before.
1926 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
1931 mutex_unlock(&local->mtx);
1935 local->hw_roc_for_tx = true;
1936 local->hw_roc_duration = wait;
1939 * queue up frame for transmission after
1940 * ieee80211_ready_on_channel call
1943 /* modify cookie to prevent API mismatches */
1945 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
1946 local->hw_roc_skb = skb;
1947 local->hw_roc_skb_for_status = skb;
1948 mutex_unlock(&local->mtx);
1954 * Can transmit right away if the channel was the
1955 * right one and there's no wait involved... If a
1956 * wait is involved, we might otherwise not be on
1957 * the right channel for long enough!
1959 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1960 ieee80211_tx_skb(sdata, skb);
1964 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1970 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1972 wk->chan_type = channel_type;
1974 wk->done = ieee80211_offchan_tx_done;
1975 wk->offchan_tx.frame = skb;
1976 wk->offchan_tx.wait = wait;
1978 memcpy(wk->ie, buf, len);
1980 ieee80211_add_work(wk);
1984 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1985 struct net_device *dev,
1988 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1989 struct ieee80211_local *local = sdata->local;
1990 struct ieee80211_work *wk;
1993 mutex_lock(&local->mtx);
1995 if (local->ops->offchannel_tx_cancel_wait &&
1996 local->hw_offchan_tx_cookie == cookie) {
1997 ret = drv_offchannel_tx_cancel_wait(local);
2000 local->hw_offchan_tx_cookie = 0;
2002 mutex_unlock(&local->mtx);
2007 if (local->ops->cancel_remain_on_channel) {
2009 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2012 kfree_skb(local->hw_roc_skb);
2013 local->hw_roc_skb = NULL;
2014 local->hw_roc_skb_for_status = NULL;
2017 mutex_unlock(&local->mtx);
2022 list_for_each_entry(wk, &local->work_list, list) {
2023 if (wk->sdata != sdata)
2026 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2029 if (cookie != (unsigned long) wk->offchan_tx.frame)
2032 wk->timeout = jiffies;
2034 ieee80211_queue_work(&local->hw, &local->work_work);
2038 mutex_unlock(&local->mtx);
2043 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2044 struct net_device *dev,
2045 u16 frame_type, bool reg)
2047 struct ieee80211_local *local = wiphy_priv(wiphy);
2049 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2053 local->probe_req_reg++;
2055 local->probe_req_reg--;
2057 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2060 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2062 struct ieee80211_local *local = wiphy_priv(wiphy);
2067 return drv_set_antenna(local, tx_ant, rx_ant);
2070 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2072 struct ieee80211_local *local = wiphy_priv(wiphy);
2074 return drv_get_antenna(local, tx_ant, rx_ant);
2077 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2079 struct ieee80211_local *local = wiphy_priv(wiphy);
2081 return drv_set_ringparam(local, tx, rx);
2084 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2085 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2087 struct ieee80211_local *local = wiphy_priv(wiphy);
2089 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2092 struct cfg80211_ops mac80211_config_ops = {
2093 .add_virtual_intf = ieee80211_add_iface,
2094 .del_virtual_intf = ieee80211_del_iface,
2095 .change_virtual_intf = ieee80211_change_iface,
2096 .add_key = ieee80211_add_key,
2097 .del_key = ieee80211_del_key,
2098 .get_key = ieee80211_get_key,
2099 .set_default_key = ieee80211_config_default_key,
2100 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
2101 .add_beacon = ieee80211_add_beacon,
2102 .set_beacon = ieee80211_set_beacon,
2103 .del_beacon = ieee80211_del_beacon,
2104 .add_station = ieee80211_add_station,
2105 .del_station = ieee80211_del_station,
2106 .change_station = ieee80211_change_station,
2107 .get_station = ieee80211_get_station,
2108 .dump_station = ieee80211_dump_station,
2109 .dump_survey = ieee80211_dump_survey,
2110 #ifdef CONFIG_MAC80211_MESH
2111 .add_mpath = ieee80211_add_mpath,
2112 .del_mpath = ieee80211_del_mpath,
2113 .change_mpath = ieee80211_change_mpath,
2114 .get_mpath = ieee80211_get_mpath,
2115 .dump_mpath = ieee80211_dump_mpath,
2116 .update_mesh_config = ieee80211_update_mesh_config,
2117 .get_mesh_config = ieee80211_get_mesh_config,
2118 .join_mesh = ieee80211_join_mesh,
2119 .leave_mesh = ieee80211_leave_mesh,
2121 .change_bss = ieee80211_change_bss,
2122 .set_txq_params = ieee80211_set_txq_params,
2123 .set_channel = ieee80211_set_channel,
2124 .suspend = ieee80211_suspend,
2125 .resume = ieee80211_resume,
2126 .scan = ieee80211_scan,
2127 .sched_scan_start = ieee80211_sched_scan_start,
2128 .sched_scan_stop = ieee80211_sched_scan_stop,
2129 .auth = ieee80211_auth,
2130 .assoc = ieee80211_assoc,
2131 .deauth = ieee80211_deauth,
2132 .disassoc = ieee80211_disassoc,
2133 .join_ibss = ieee80211_join_ibss,
2134 .leave_ibss = ieee80211_leave_ibss,
2135 .set_wiphy_params = ieee80211_set_wiphy_params,
2136 .set_tx_power = ieee80211_set_tx_power,
2137 .get_tx_power = ieee80211_get_tx_power,
2138 .set_wds_peer = ieee80211_set_wds_peer,
2139 .rfkill_poll = ieee80211_rfkill_poll,
2140 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
2141 .set_power_mgmt = ieee80211_set_power_mgmt,
2142 .set_bitrate_mask = ieee80211_set_bitrate_mask,
2143 .remain_on_channel = ieee80211_remain_on_channel,
2144 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2145 .mgmt_tx = ieee80211_mgmt_tx,
2146 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
2147 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2148 .mgmt_frame_register = ieee80211_mgmt_frame_register,
2149 .set_antenna = ieee80211_set_antenna,
2150 .get_antenna = ieee80211_get_antenna,
2151 .set_ringparam = ieee80211_set_ringparam,
2152 .get_ringparam = ieee80211_get_ringparam,