2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006, 2007 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 <net/net_namespace.h>
13 #include <linux/rcupdate.h>
14 #include <net/cfg80211.h>
15 #include "ieee80211_i.h"
16 #include "driver-ops.h"
21 static bool nl80211_type_check(enum nl80211_iftype type)
24 case NL80211_IFTYPE_ADHOC:
25 case NL80211_IFTYPE_STATION:
26 case NL80211_IFTYPE_MONITOR:
27 #ifdef CONFIG_MAC80211_MESH
28 case NL80211_IFTYPE_MESH_POINT:
30 case NL80211_IFTYPE_AP:
31 case NL80211_IFTYPE_AP_VLAN:
32 case NL80211_IFTYPE_WDS:
39 static bool nl80211_params_check(enum nl80211_iftype type,
40 struct vif_params *params)
42 if (!nl80211_type_check(type))
45 if (params->use_4addr > 0) {
47 case NL80211_IFTYPE_AP_VLAN:
48 case NL80211_IFTYPE_STATION:
57 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
58 enum nl80211_iftype type, u32 *flags,
59 struct vif_params *params)
61 struct ieee80211_local *local = wiphy_priv(wiphy);
62 struct net_device *dev;
63 struct ieee80211_sub_if_data *sdata;
66 if (!nl80211_params_check(type, params))
69 err = ieee80211_if_add(local, name, &dev, type, params);
70 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
73 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
74 sdata->u.mntr_flags = *flags;
78 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
80 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
85 static int ieee80211_change_iface(struct wiphy *wiphy,
86 struct net_device *dev,
87 enum nl80211_iftype type, u32 *flags,
88 struct vif_params *params)
90 struct ieee80211_sub_if_data *sdata;
93 if (netif_running(dev))
96 if (!nl80211_params_check(type, params))
99 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
101 ret = ieee80211_if_change_type(sdata, type);
105 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
106 ieee80211_sdata_set_mesh_id(sdata,
110 if (params->use_4addr >= 0)
111 sdata->use_4addr = !!params->use_4addr;
113 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
116 sdata->u.mntr_flags = *flags;
120 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
121 u8 key_idx, const u8 *mac_addr,
122 struct key_params *params)
124 struct ieee80211_sub_if_data *sdata;
125 struct sta_info *sta = NULL;
126 enum ieee80211_key_alg alg;
127 struct ieee80211_key *key;
130 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
132 switch (params->cipher) {
133 case WLAN_CIPHER_SUITE_WEP40:
134 case WLAN_CIPHER_SUITE_WEP104:
137 case WLAN_CIPHER_SUITE_TKIP:
140 case WLAN_CIPHER_SUITE_CCMP:
143 case WLAN_CIPHER_SUITE_AES_CMAC:
150 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
151 params->seq_len, params->seq);
158 sta = sta_info_get(sdata->local, mac_addr);
160 ieee80211_key_free(key);
166 ieee80211_key_link(key, sdata, sta);
175 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
176 u8 key_idx, const u8 *mac_addr)
178 struct ieee80211_sub_if_data *sdata;
179 struct sta_info *sta;
182 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
189 sta = sta_info_get(sdata->local, mac_addr);
194 ieee80211_key_free(sta->key);
202 if (!sdata->keys[key_idx]) {
207 ieee80211_key_free(sdata->keys[key_idx]);
208 WARN_ON(sdata->keys[key_idx]);
217 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
218 u8 key_idx, const u8 *mac_addr, void *cookie,
219 void (*callback)(void *cookie,
220 struct key_params *params))
222 struct ieee80211_sub_if_data *sdata;
223 struct sta_info *sta = NULL;
225 struct key_params params;
226 struct ieee80211_key *key;
231 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
236 sta = sta_info_get(sdata->local, mac_addr);
242 key = sdata->keys[key_idx];
247 memset(¶ms, 0, sizeof(params));
249 switch (key->conf.alg) {
251 params.cipher = 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;
271 params.cipher = WLAN_CIPHER_SUITE_CCMP;
272 seq[0] = key->u.ccmp.tx_pn[5];
273 seq[1] = key->u.ccmp.tx_pn[4];
274 seq[2] = key->u.ccmp.tx_pn[3];
275 seq[3] = key->u.ccmp.tx_pn[2];
276 seq[4] = key->u.ccmp.tx_pn[1];
277 seq[5] = key->u.ccmp.tx_pn[0];
282 if (key->conf.keylen == 5)
283 params.cipher = WLAN_CIPHER_SUITE_WEP40;
285 params.cipher = WLAN_CIPHER_SUITE_WEP104;
288 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
289 seq[0] = key->u.aes_cmac.tx_pn[5];
290 seq[1] = key->u.aes_cmac.tx_pn[4];
291 seq[2] = key->u.aes_cmac.tx_pn[3];
292 seq[3] = key->u.aes_cmac.tx_pn[2];
293 seq[4] = key->u.aes_cmac.tx_pn[1];
294 seq[5] = key->u.aes_cmac.tx_pn[0];
300 params.key = key->conf.key;
301 params.key_len = key->conf.keylen;
303 callback(cookie, ¶ms);
311 static int ieee80211_config_default_key(struct wiphy *wiphy,
312 struct net_device *dev,
315 struct ieee80211_sub_if_data *sdata;
319 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
320 ieee80211_set_default_key(sdata, key_idx);
327 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
328 struct net_device *dev,
331 struct ieee80211_sub_if_data *sdata;
335 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
336 ieee80211_set_default_mgmt_key(sdata, key_idx);
343 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
345 struct ieee80211_sub_if_data *sdata = sta->sdata;
347 sinfo->generation = sdata->local->sta_generation;
349 sinfo->filled = STATION_INFO_INACTIVE_TIME |
350 STATION_INFO_RX_BYTES |
351 STATION_INFO_TX_BYTES |
352 STATION_INFO_RX_PACKETS |
353 STATION_INFO_TX_PACKETS |
354 STATION_INFO_TX_BITRATE;
356 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
357 sinfo->rx_bytes = sta->rx_bytes;
358 sinfo->tx_bytes = sta->tx_bytes;
359 sinfo->rx_packets = sta->rx_packets;
360 sinfo->tx_packets = sta->tx_packets;
362 if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
363 sinfo->filled |= STATION_INFO_SIGNAL;
364 sinfo->signal = (s8)sta->last_signal;
367 sinfo->txrate.flags = 0;
368 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
369 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
370 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
371 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
372 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
373 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
375 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
376 struct ieee80211_supported_band *sband;
377 sband = sta->local->hw.wiphy->bands[
378 sta->local->hw.conf.channel->band];
379 sinfo->txrate.legacy =
380 sband->bitrates[sta->last_tx_rate.idx].bitrate;
382 sinfo->txrate.mcs = sta->last_tx_rate.idx;
384 if (ieee80211_vif_is_mesh(&sdata->vif)) {
385 #ifdef CONFIG_MAC80211_MESH
386 sinfo->filled |= STATION_INFO_LLID |
388 STATION_INFO_PLINK_STATE;
390 sinfo->llid = le16_to_cpu(sta->llid);
391 sinfo->plid = le16_to_cpu(sta->plid);
392 sinfo->plink_state = sta->plink_state;
398 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
399 int idx, u8 *mac, struct station_info *sinfo)
401 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
402 struct sta_info *sta;
407 sta = sta_info_get_by_idx(sdata, idx);
410 memcpy(mac, sta->sta.addr, ETH_ALEN);
411 sta_set_sinfo(sta, sinfo);
419 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
420 u8 *mac, struct station_info *sinfo)
422 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
423 struct sta_info *sta;
428 /* XXX: verify sta->dev == dev */
430 sta = sta_info_get(local, mac);
433 sta_set_sinfo(sta, sinfo);
442 * This handles both adding a beacon and setting new beacon info
444 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
445 struct beacon_parameters *params)
447 struct beacon_data *new, *old;
448 int new_head_len, new_tail_len;
452 old = sdata->u.ap.beacon;
454 /* head must not be zero-length */
455 if (params->head && !params->head_len)
459 * This is a kludge. beacon interval should really be part
460 * of the beacon information.
462 if (params->interval &&
463 (sdata->vif.bss_conf.beacon_int != params->interval)) {
464 sdata->vif.bss_conf.beacon_int = params->interval;
465 ieee80211_bss_info_change_notify(sdata,
466 BSS_CHANGED_BEACON_INT);
469 /* Need to have a beacon head if we don't have one yet */
470 if (!params->head && !old)
473 /* sorry, no way to start beaconing without dtim period */
474 if (!params->dtim_period && !old)
477 /* new or old head? */
479 new_head_len = params->head_len;
481 new_head_len = old->head_len;
483 /* new or old tail? */
484 if (params->tail || !old)
485 /* params->tail_len will be zero for !params->tail */
486 new_tail_len = params->tail_len;
488 new_tail_len = old->tail_len;
490 size = sizeof(*new) + new_head_len + new_tail_len;
492 new = kzalloc(size, GFP_KERNEL);
496 /* start filling the new info now */
498 /* new or old dtim period? */
499 if (params->dtim_period)
500 new->dtim_period = params->dtim_period;
502 new->dtim_period = old->dtim_period;
505 * pointers go into the block we allocated,
506 * memory is | beacon_data | head | tail |
508 new->head = ((u8 *) new) + sizeof(*new);
509 new->tail = new->head + new_head_len;
510 new->head_len = new_head_len;
511 new->tail_len = new_tail_len;
515 memcpy(new->head, params->head, new_head_len);
517 memcpy(new->head, old->head, new_head_len);
519 /* copy in optional tail */
521 memcpy(new->tail, params->tail, new_tail_len);
524 memcpy(new->tail, old->tail, new_tail_len);
526 rcu_assign_pointer(sdata->u.ap.beacon, new);
532 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
537 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
538 struct beacon_parameters *params)
540 struct ieee80211_sub_if_data *sdata;
541 struct beacon_data *old;
543 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
545 old = sdata->u.ap.beacon;
550 return ieee80211_config_beacon(sdata, params);
553 static int ieee80211_set_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_del_beacon(struct wiphy *wiphy, struct net_device *dev)
571 struct ieee80211_sub_if_data *sdata;
572 struct beacon_data *old;
574 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
576 old = sdata->u.ap.beacon;
581 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
585 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
589 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
590 struct iapp_layer2_update {
591 u8 da[ETH_ALEN]; /* broadcast */
592 u8 sa[ETH_ALEN]; /* STA addr */
598 } __attribute__ ((packed));
600 static void ieee80211_send_layer2_update(struct sta_info *sta)
602 struct iapp_layer2_update *msg;
605 /* Send Level 2 Update Frame to update forwarding tables in layer 2
608 skb = dev_alloc_skb(sizeof(*msg));
611 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
613 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
614 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
616 memset(msg->da, 0xff, ETH_ALEN);
617 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
620 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
621 msg->control = 0xaf; /* XID response lsb.1111F101.
622 * F=0 (no poll command; unsolicited frame) */
623 msg->xid_info[0] = 0x81; /* XID format identifier */
624 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
625 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
627 skb->dev = sta->sdata->dev;
628 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
629 memset(skb->cb, 0, sizeof(skb->cb));
633 static void sta_apply_parameters(struct ieee80211_local *local,
634 struct sta_info *sta,
635 struct station_parameters *params)
639 struct ieee80211_supported_band *sband;
640 struct ieee80211_sub_if_data *sdata = sta->sdata;
643 sband = local->hw.wiphy->bands[local->oper_channel->band];
645 spin_lock_bh(&sta->lock);
646 mask = params->sta_flags_mask;
647 set = params->sta_flags_set;
649 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
650 sta->flags &= ~WLAN_STA_AUTHORIZED;
651 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
652 sta->flags |= WLAN_STA_AUTHORIZED;
655 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
656 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
657 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
658 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
661 if (mask & BIT(NL80211_STA_FLAG_WME)) {
662 sta->flags &= ~WLAN_STA_WME;
663 if (set & BIT(NL80211_STA_FLAG_WME))
664 sta->flags |= WLAN_STA_WME;
667 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
668 sta->flags &= ~WLAN_STA_MFP;
669 if (set & BIT(NL80211_STA_FLAG_MFP))
670 sta->flags |= WLAN_STA_MFP;
672 spin_unlock_bh(&sta->lock);
675 * cfg80211 validates this (1-2007) and allows setting the AID
676 * only when creating a new station entry
679 sta->sta.aid = params->aid;
682 * FIXME: updating the following information is racy when this
683 * function is called from ieee80211_change_station().
684 * However, all this information should be static so
685 * maybe we should just reject attemps to change it.
688 if (params->listen_interval >= 0)
689 sta->listen_interval = params->listen_interval;
691 if (params->supported_rates) {
694 for (i = 0; i < params->supported_rates_len; i++) {
695 int rate = (params->supported_rates[i] & 0x7f) * 5;
696 for (j = 0; j < sband->n_bitrates; j++) {
697 if (sband->bitrates[j].bitrate == rate)
701 sta->sta.supp_rates[local->oper_channel->band] = rates;
705 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
709 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
710 switch (params->plink_action) {
711 case PLINK_ACTION_OPEN:
712 mesh_plink_open(sta);
714 case PLINK_ACTION_BLOCK:
715 mesh_plink_block(sta);
721 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
722 u8 *mac, struct station_parameters *params)
724 struct ieee80211_local *local = wiphy_priv(wiphy);
725 struct sta_info *sta;
726 struct ieee80211_sub_if_data *sdata;
731 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
733 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
734 sdata->vif.type != NL80211_IFTYPE_AP)
737 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
739 if (compare_ether_addr(mac, dev->dev_addr) == 0)
742 if (is_multicast_ether_addr(mac))
745 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
749 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
751 sta_apply_parameters(local, sta, params);
753 rate_control_rate_init(sta);
755 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
756 sdata->vif.type == NL80211_IFTYPE_AP;
760 err = sta_info_insert(sta);
767 ieee80211_send_layer2_update(sta);
774 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
777 struct ieee80211_local *local = wiphy_priv(wiphy);
778 struct ieee80211_sub_if_data *sdata;
779 struct sta_info *sta;
781 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
786 /* XXX: get sta belonging to dev */
787 sta = sta_info_get(local, mac);
793 sta_info_unlink(&sta);
796 sta_info_destroy(sta);
798 sta_info_flush(local, sdata);
803 static int ieee80211_change_station(struct wiphy *wiphy,
804 struct net_device *dev,
806 struct station_parameters *params)
808 struct ieee80211_local *local = wiphy_priv(wiphy);
809 struct sta_info *sta;
810 struct ieee80211_sub_if_data *vlansdata;
814 /* XXX: get sta belonging to dev */
815 sta = sta_info_get(local, mac);
821 if (params->vlan && params->vlan != sta->sdata->dev) {
822 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
824 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
825 vlansdata->vif.type != NL80211_IFTYPE_AP) {
830 if (vlansdata->use_4addr) {
831 if (vlansdata->u.vlan.sta)
834 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
837 sta->sdata = vlansdata;
838 ieee80211_send_layer2_update(sta);
841 sta_apply_parameters(local, sta, params);
848 #ifdef CONFIG_MAC80211_MESH
849 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
850 u8 *dst, u8 *next_hop)
852 struct ieee80211_local *local = wiphy_priv(wiphy);
853 struct ieee80211_sub_if_data *sdata;
854 struct mesh_path *mpath;
855 struct sta_info *sta;
858 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
861 sta = sta_info_get(local, next_hop);
867 err = mesh_path_add(dst, sdata);
873 mpath = mesh_path_lookup(dst, sdata);
878 mesh_path_fix_nexthop(mpath, sta);
884 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
887 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
890 return mesh_path_del(dst, sdata);
892 mesh_path_flush(sdata);
896 static int ieee80211_change_mpath(struct wiphy *wiphy,
897 struct net_device *dev,
898 u8 *dst, u8 *next_hop)
900 struct ieee80211_local *local = wiphy_priv(wiphy);
901 struct ieee80211_sub_if_data *sdata;
902 struct mesh_path *mpath;
903 struct sta_info *sta;
905 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
909 sta = sta_info_get(local, next_hop);
915 mpath = mesh_path_lookup(dst, sdata);
921 mesh_path_fix_nexthop(mpath, sta);
927 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
928 struct mpath_info *pinfo)
931 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
933 memset(next_hop, 0, ETH_ALEN);
935 pinfo->generation = mesh_paths_generation;
937 pinfo->filled = MPATH_INFO_FRAME_QLEN |
941 MPATH_INFO_DISCOVERY_TIMEOUT |
942 MPATH_INFO_DISCOVERY_RETRIES |
945 pinfo->frame_qlen = mpath->frame_queue.qlen;
946 pinfo->sn = mpath->sn;
947 pinfo->metric = mpath->metric;
948 if (time_before(jiffies, mpath->exp_time))
949 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
950 pinfo->discovery_timeout =
951 jiffies_to_msecs(mpath->discovery_timeout);
952 pinfo->discovery_retries = mpath->discovery_retries;
954 if (mpath->flags & MESH_PATH_ACTIVE)
955 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
956 if (mpath->flags & MESH_PATH_RESOLVING)
957 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
958 if (mpath->flags & MESH_PATH_SN_VALID)
959 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
960 if (mpath->flags & MESH_PATH_FIXED)
961 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
962 if (mpath->flags & MESH_PATH_RESOLVING)
963 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
965 pinfo->flags = mpath->flags;
968 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
969 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
972 struct ieee80211_sub_if_data *sdata;
973 struct mesh_path *mpath;
975 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
978 mpath = mesh_path_lookup(dst, sdata);
983 memcpy(dst, mpath->dst, ETH_ALEN);
984 mpath_set_pinfo(mpath, next_hop, pinfo);
989 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
990 int idx, u8 *dst, u8 *next_hop,
991 struct mpath_info *pinfo)
993 struct ieee80211_sub_if_data *sdata;
994 struct mesh_path *mpath;
996 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
999 mpath = mesh_path_lookup_by_idx(idx, sdata);
1004 memcpy(dst, mpath->dst, ETH_ALEN);
1005 mpath_set_pinfo(mpath, next_hop, pinfo);
1010 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1011 struct net_device *dev,
1012 struct mesh_config *conf)
1014 struct ieee80211_sub_if_data *sdata;
1015 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1017 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1021 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1023 return (mask >> (parm-1)) & 0x1;
1026 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1027 struct net_device *dev,
1028 const struct mesh_config *nconf, u32 mask)
1030 struct mesh_config *conf;
1031 struct ieee80211_sub_if_data *sdata;
1032 struct ieee80211_if_mesh *ifmsh;
1034 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1035 ifmsh = &sdata->u.mesh;
1037 /* Set the config options which we are interested in setting */
1038 conf = &(sdata->u.mesh.mshcfg);
1039 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1040 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1041 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1042 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1043 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1044 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1045 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1046 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1047 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1048 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1050 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1051 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1052 conf->auto_open_plinks = nconf->auto_open_plinks;
1053 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1054 conf->dot11MeshHWMPmaxPREQretries =
1055 nconf->dot11MeshHWMPmaxPREQretries;
1056 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1057 conf->path_refresh_time = nconf->path_refresh_time;
1058 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1059 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1060 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1061 conf->dot11MeshHWMPactivePathTimeout =
1062 nconf->dot11MeshHWMPactivePathTimeout;
1063 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1064 conf->dot11MeshHWMPpreqMinInterval =
1065 nconf->dot11MeshHWMPpreqMinInterval;
1066 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1068 conf->dot11MeshHWMPnetDiameterTraversalTime =
1069 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1070 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1071 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1072 ieee80211_mesh_root_setup(ifmsh);
1079 static int ieee80211_change_bss(struct wiphy *wiphy,
1080 struct net_device *dev,
1081 struct bss_parameters *params)
1083 struct ieee80211_sub_if_data *sdata;
1086 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1088 if (params->use_cts_prot >= 0) {
1089 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1090 changed |= BSS_CHANGED_ERP_CTS_PROT;
1092 if (params->use_short_preamble >= 0) {
1093 sdata->vif.bss_conf.use_short_preamble =
1094 params->use_short_preamble;
1095 changed |= BSS_CHANGED_ERP_PREAMBLE;
1097 if (params->use_short_slot_time >= 0) {
1098 sdata->vif.bss_conf.use_short_slot =
1099 params->use_short_slot_time;
1100 changed |= BSS_CHANGED_ERP_SLOT;
1103 if (params->basic_rates) {
1106 struct ieee80211_local *local = wiphy_priv(wiphy);
1107 struct ieee80211_supported_band *sband =
1108 wiphy->bands[local->oper_channel->band];
1110 for (i = 0; i < params->basic_rates_len; i++) {
1111 int rate = (params->basic_rates[i] & 0x7f) * 5;
1112 for (j = 0; j < sband->n_bitrates; j++) {
1113 if (sband->bitrates[j].bitrate == rate)
1117 sdata->vif.bss_conf.basic_rates = rates;
1118 changed |= BSS_CHANGED_BASIC_RATES;
1121 ieee80211_bss_info_change_notify(sdata, changed);
1126 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1127 struct ieee80211_txq_params *params)
1129 struct ieee80211_local *local = wiphy_priv(wiphy);
1130 struct ieee80211_tx_queue_params p;
1132 if (!local->ops->conf_tx)
1135 memset(&p, 0, sizeof(p));
1136 p.aifs = params->aifs;
1137 p.cw_max = params->cwmax;
1138 p.cw_min = params->cwmin;
1139 p.txop = params->txop;
1140 if (drv_conf_tx(local, params->queue, &p)) {
1141 printk(KERN_DEBUG "%s: failed to set TX queue "
1142 "parameters for queue %d\n",
1143 wiphy_name(local->hw.wiphy), params->queue);
1150 static int ieee80211_set_channel(struct wiphy *wiphy,
1151 struct ieee80211_channel *chan,
1152 enum nl80211_channel_type channel_type)
1154 struct ieee80211_local *local = wiphy_priv(wiphy);
1156 local->oper_channel = chan;
1157 local->oper_channel_type = channel_type;
1159 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1163 static int ieee80211_suspend(struct wiphy *wiphy)
1165 return __ieee80211_suspend(wiphy_priv(wiphy));
1168 static int ieee80211_resume(struct wiphy *wiphy)
1170 return __ieee80211_resume(wiphy_priv(wiphy));
1173 #define ieee80211_suspend NULL
1174 #define ieee80211_resume NULL
1177 static int ieee80211_scan(struct wiphy *wiphy,
1178 struct net_device *dev,
1179 struct cfg80211_scan_request *req)
1181 struct ieee80211_sub_if_data *sdata;
1183 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1185 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1186 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1187 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1188 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1191 return ieee80211_request_scan(sdata, req);
1194 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1195 struct cfg80211_auth_request *req)
1197 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1200 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1201 struct cfg80211_assoc_request *req)
1203 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1206 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1207 struct cfg80211_deauth_request *req,
1210 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1214 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1215 struct cfg80211_disassoc_request *req,
1218 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1222 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1223 struct cfg80211_ibss_params *params)
1225 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1227 return ieee80211_ibss_join(sdata, params);
1230 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1232 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1234 return ieee80211_ibss_leave(sdata);
1237 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1239 struct ieee80211_local *local = wiphy_priv(wiphy);
1242 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1243 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1249 if (changed & WIPHY_PARAM_RETRY_SHORT)
1250 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1251 if (changed & WIPHY_PARAM_RETRY_LONG)
1252 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1254 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1255 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1260 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1261 enum tx_power_setting type, int dbm)
1263 struct ieee80211_local *local = wiphy_priv(wiphy);
1264 struct ieee80211_channel *chan = local->hw.conf.channel;
1268 case TX_POWER_AUTOMATIC:
1269 local->user_power_level = -1;
1271 case TX_POWER_LIMITED:
1274 local->user_power_level = dbm;
1276 case TX_POWER_FIXED:
1279 /* TODO: move to cfg80211 when it knows the channel */
1280 if (dbm > chan->max_power)
1282 local->user_power_level = dbm;
1286 ieee80211_hw_config(local, changes);
1291 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1293 struct ieee80211_local *local = wiphy_priv(wiphy);
1295 *dbm = local->hw.conf.power_level;
1300 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1305 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1310 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1312 struct ieee80211_local *local = wiphy_priv(wiphy);
1314 drv_rfkill_poll(local);
1317 #ifdef CONFIG_NL80211_TESTMODE
1318 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1320 struct ieee80211_local *local = wiphy_priv(wiphy);
1322 if (!local->ops->testmode_cmd)
1325 return local->ops->testmode_cmd(&local->hw, data, len);
1329 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1330 bool enabled, int timeout)
1332 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1333 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1334 struct ieee80211_conf *conf = &local->hw.conf;
1336 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1339 if (enabled == sdata->u.mgd.powersave &&
1340 timeout == conf->dynamic_ps_timeout)
1343 sdata->u.mgd.powersave = enabled;
1344 conf->dynamic_ps_timeout = timeout;
1346 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1347 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1349 ieee80211_recalc_ps(local, -1);
1354 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1355 struct net_device *dev,
1357 const struct cfg80211_bitrate_mask *mask)
1359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1360 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1361 int i, err = -EINVAL;
1363 struct ieee80211_supported_band *sband;
1365 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1367 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1368 * target_rate = X, rate->fixed = 1 means only rate X
1369 * target_rate = X, rate->fixed = 0 means all rates <= X */
1370 sdata->max_ratectrl_rateidx = -1;
1371 sdata->force_unicast_rateidx = -1;
1374 target_rate = mask->fixed / 100;
1375 else if (mask->maxrate)
1376 target_rate = mask->maxrate / 100;
1380 for (i=0; i< sband->n_bitrates; i++) {
1381 struct ieee80211_rate *brate = &sband->bitrates[i];
1382 int this_rate = brate->bitrate;
1384 if (target_rate == this_rate) {
1385 sdata->max_ratectrl_rateidx = i;
1387 sdata->force_unicast_rateidx = i;
1396 struct cfg80211_ops mac80211_config_ops = {
1397 .add_virtual_intf = ieee80211_add_iface,
1398 .del_virtual_intf = ieee80211_del_iface,
1399 .change_virtual_intf = ieee80211_change_iface,
1400 .add_key = ieee80211_add_key,
1401 .del_key = ieee80211_del_key,
1402 .get_key = ieee80211_get_key,
1403 .set_default_key = ieee80211_config_default_key,
1404 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1405 .add_beacon = ieee80211_add_beacon,
1406 .set_beacon = ieee80211_set_beacon,
1407 .del_beacon = ieee80211_del_beacon,
1408 .add_station = ieee80211_add_station,
1409 .del_station = ieee80211_del_station,
1410 .change_station = ieee80211_change_station,
1411 .get_station = ieee80211_get_station,
1412 .dump_station = ieee80211_dump_station,
1413 #ifdef CONFIG_MAC80211_MESH
1414 .add_mpath = ieee80211_add_mpath,
1415 .del_mpath = ieee80211_del_mpath,
1416 .change_mpath = ieee80211_change_mpath,
1417 .get_mpath = ieee80211_get_mpath,
1418 .dump_mpath = ieee80211_dump_mpath,
1419 .set_mesh_params = ieee80211_set_mesh_params,
1420 .get_mesh_params = ieee80211_get_mesh_params,
1422 .change_bss = ieee80211_change_bss,
1423 .set_txq_params = ieee80211_set_txq_params,
1424 .set_channel = ieee80211_set_channel,
1425 .suspend = ieee80211_suspend,
1426 .resume = ieee80211_resume,
1427 .scan = ieee80211_scan,
1428 .auth = ieee80211_auth,
1429 .assoc = ieee80211_assoc,
1430 .deauth = ieee80211_deauth,
1431 .disassoc = ieee80211_disassoc,
1432 .join_ibss = ieee80211_join_ibss,
1433 .leave_ibss = ieee80211_leave_ibss,
1434 .set_wiphy_params = ieee80211_set_wiphy_params,
1435 .set_tx_power = ieee80211_set_tx_power,
1436 .get_tx_power = ieee80211_get_tx_power,
1437 .set_wds_peer = ieee80211_set_wds_peer,
1438 .rfkill_poll = ieee80211_rfkill_poll,
1439 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1440 .set_power_mgmt = ieee80211_set_power_mgmt,
1441 .set_bitrate_mask = ieee80211_set_bitrate_mask,