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 int ieee80211_add_iface(struct wiphy *wiphy, char *name,
40 enum nl80211_iftype type, u32 *flags,
41 struct vif_params *params)
43 struct ieee80211_local *local = wiphy_priv(wiphy);
44 struct net_device *dev;
45 struct ieee80211_sub_if_data *sdata;
48 if (!nl80211_type_check(type))
51 err = ieee80211_if_add(local, name, &dev, type, params);
52 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
55 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
56 sdata->u.mntr_flags = *flags;
60 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
62 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
67 static int ieee80211_change_iface(struct wiphy *wiphy,
68 struct net_device *dev,
69 enum nl80211_iftype type, u32 *flags,
70 struct vif_params *params)
72 struct ieee80211_sub_if_data *sdata;
75 if (netif_running(dev))
78 if (!nl80211_type_check(type))
81 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
83 ret = ieee80211_if_change_type(sdata, type);
87 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
88 ieee80211_sdata_set_mesh_id(sdata,
92 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
95 sdata->u.mntr_flags = *flags;
99 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
100 u8 key_idx, const u8 *mac_addr,
101 struct key_params *params)
103 struct ieee80211_sub_if_data *sdata;
104 struct sta_info *sta = NULL;
105 enum ieee80211_key_alg alg;
106 struct ieee80211_key *key;
109 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
111 switch (params->cipher) {
112 case WLAN_CIPHER_SUITE_WEP40:
113 case WLAN_CIPHER_SUITE_WEP104:
116 case WLAN_CIPHER_SUITE_TKIP:
119 case WLAN_CIPHER_SUITE_CCMP:
122 case WLAN_CIPHER_SUITE_AES_CMAC:
129 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
130 params->seq_len, params->seq);
137 sta = sta_info_get(sdata->local, mac_addr);
139 ieee80211_key_free(key);
145 ieee80211_key_link(key, sdata, sta);
154 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
155 u8 key_idx, const u8 *mac_addr)
157 struct ieee80211_sub_if_data *sdata;
158 struct sta_info *sta;
161 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
168 sta = sta_info_get(sdata->local, mac_addr);
173 ieee80211_key_free(sta->key);
181 if (!sdata->keys[key_idx]) {
186 ieee80211_key_free(sdata->keys[key_idx]);
187 WARN_ON(sdata->keys[key_idx]);
196 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
197 u8 key_idx, const u8 *mac_addr, void *cookie,
198 void (*callback)(void *cookie,
199 struct key_params *params))
201 struct ieee80211_sub_if_data *sdata;
202 struct sta_info *sta = NULL;
204 struct key_params params;
205 struct ieee80211_key *key;
210 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
215 sta = sta_info_get(sdata->local, mac_addr);
221 key = sdata->keys[key_idx];
226 memset(¶ms, 0, sizeof(params));
228 switch (key->conf.alg) {
230 params.cipher = WLAN_CIPHER_SUITE_TKIP;
232 iv32 = key->u.tkip.tx.iv32;
233 iv16 = key->u.tkip.tx.iv16;
235 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
236 drv_get_tkip_seq(sdata->local,
237 key->conf.hw_key_idx,
240 seq[0] = iv16 & 0xff;
241 seq[1] = (iv16 >> 8) & 0xff;
242 seq[2] = iv32 & 0xff;
243 seq[3] = (iv32 >> 8) & 0xff;
244 seq[4] = (iv32 >> 16) & 0xff;
245 seq[5] = (iv32 >> 24) & 0xff;
250 params.cipher = WLAN_CIPHER_SUITE_CCMP;
251 seq[0] = key->u.ccmp.tx_pn[5];
252 seq[1] = key->u.ccmp.tx_pn[4];
253 seq[2] = key->u.ccmp.tx_pn[3];
254 seq[3] = key->u.ccmp.tx_pn[2];
255 seq[4] = key->u.ccmp.tx_pn[1];
256 seq[5] = key->u.ccmp.tx_pn[0];
261 if (key->conf.keylen == 5)
262 params.cipher = WLAN_CIPHER_SUITE_WEP40;
264 params.cipher = WLAN_CIPHER_SUITE_WEP104;
267 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
268 seq[0] = key->u.aes_cmac.tx_pn[5];
269 seq[1] = key->u.aes_cmac.tx_pn[4];
270 seq[2] = key->u.aes_cmac.tx_pn[3];
271 seq[3] = key->u.aes_cmac.tx_pn[2];
272 seq[4] = key->u.aes_cmac.tx_pn[1];
273 seq[5] = key->u.aes_cmac.tx_pn[0];
279 params.key = key->conf.key;
280 params.key_len = key->conf.keylen;
282 callback(cookie, ¶ms);
290 static int ieee80211_config_default_key(struct wiphy *wiphy,
291 struct net_device *dev,
294 struct ieee80211_sub_if_data *sdata;
298 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
299 ieee80211_set_default_key(sdata, key_idx);
306 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
307 struct net_device *dev,
310 struct ieee80211_sub_if_data *sdata;
314 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
315 ieee80211_set_default_mgmt_key(sdata, key_idx);
322 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
324 struct ieee80211_sub_if_data *sdata = sta->sdata;
326 sinfo->generation = sdata->local->sta_generation;
328 sinfo->filled = STATION_INFO_INACTIVE_TIME |
329 STATION_INFO_RX_BYTES |
330 STATION_INFO_TX_BYTES |
331 STATION_INFO_RX_PACKETS |
332 STATION_INFO_TX_PACKETS |
333 STATION_INFO_TX_BITRATE;
335 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
336 sinfo->rx_bytes = sta->rx_bytes;
337 sinfo->tx_bytes = sta->tx_bytes;
338 sinfo->rx_packets = sta->rx_packets;
339 sinfo->tx_packets = sta->tx_packets;
341 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
342 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
343 sinfo->filled |= STATION_INFO_SIGNAL;
344 sinfo->signal = (s8)sta->last_signal;
347 sinfo->txrate.flags = 0;
348 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
349 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
350 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
351 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
352 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
353 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
355 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
356 struct ieee80211_supported_band *sband;
357 sband = sta->local->hw.wiphy->bands[
358 sta->local->hw.conf.channel->band];
359 sinfo->txrate.legacy =
360 sband->bitrates[sta->last_tx_rate.idx].bitrate;
362 sinfo->txrate.mcs = sta->last_tx_rate.idx;
364 if (ieee80211_vif_is_mesh(&sdata->vif)) {
365 #ifdef CONFIG_MAC80211_MESH
366 sinfo->filled |= STATION_INFO_LLID |
368 STATION_INFO_PLINK_STATE;
370 sinfo->llid = le16_to_cpu(sta->llid);
371 sinfo->plid = le16_to_cpu(sta->plid);
372 sinfo->plink_state = sta->plink_state;
378 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
379 int idx, u8 *mac, struct station_info *sinfo)
381 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
382 struct sta_info *sta;
387 sta = sta_info_get_by_idx(local, idx, dev);
390 memcpy(mac, sta->sta.addr, ETH_ALEN);
391 sta_set_sinfo(sta, sinfo);
399 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
400 u8 *mac, struct station_info *sinfo)
402 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
403 struct sta_info *sta;
408 /* XXX: verify sta->dev == dev */
410 sta = sta_info_get(local, mac);
413 sta_set_sinfo(sta, sinfo);
422 * This handles both adding a beacon and setting new beacon info
424 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
425 struct beacon_parameters *params)
427 struct beacon_data *new, *old;
428 int new_head_len, new_tail_len;
432 old = sdata->u.ap.beacon;
434 /* head must not be zero-length */
435 if (params->head && !params->head_len)
439 * This is a kludge. beacon interval should really be part
440 * of the beacon information.
442 if (params->interval &&
443 (sdata->vif.bss_conf.beacon_int != params->interval)) {
444 sdata->vif.bss_conf.beacon_int = params->interval;
445 ieee80211_bss_info_change_notify(sdata,
446 BSS_CHANGED_BEACON_INT);
449 /* Need to have a beacon head if we don't have one yet */
450 if (!params->head && !old)
453 /* sorry, no way to start beaconing without dtim period */
454 if (!params->dtim_period && !old)
457 /* new or old head? */
459 new_head_len = params->head_len;
461 new_head_len = old->head_len;
463 /* new or old tail? */
464 if (params->tail || !old)
465 /* params->tail_len will be zero for !params->tail */
466 new_tail_len = params->tail_len;
468 new_tail_len = old->tail_len;
470 size = sizeof(*new) + new_head_len + new_tail_len;
472 new = kzalloc(size, GFP_KERNEL);
476 /* start filling the new info now */
478 /* new or old dtim period? */
479 if (params->dtim_period)
480 new->dtim_period = params->dtim_period;
482 new->dtim_period = old->dtim_period;
485 * pointers go into the block we allocated,
486 * memory is | beacon_data | head | tail |
488 new->head = ((u8 *) new) + sizeof(*new);
489 new->tail = new->head + new_head_len;
490 new->head_len = new_head_len;
491 new->tail_len = new_tail_len;
495 memcpy(new->head, params->head, new_head_len);
497 memcpy(new->head, old->head, new_head_len);
499 /* copy in optional tail */
501 memcpy(new->tail, params->tail, new_tail_len);
504 memcpy(new->tail, old->tail, new_tail_len);
506 rcu_assign_pointer(sdata->u.ap.beacon, new);
512 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
517 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
518 struct beacon_parameters *params)
520 struct ieee80211_sub_if_data *sdata;
521 struct beacon_data *old;
523 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
525 old = sdata->u.ap.beacon;
530 return ieee80211_config_beacon(sdata, params);
533 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
534 struct beacon_parameters *params)
536 struct ieee80211_sub_if_data *sdata;
537 struct beacon_data *old;
539 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
541 old = sdata->u.ap.beacon;
546 return ieee80211_config_beacon(sdata, params);
549 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
551 struct ieee80211_sub_if_data *sdata;
552 struct beacon_data *old;
554 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
556 old = sdata->u.ap.beacon;
561 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
565 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
569 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
570 struct iapp_layer2_update {
571 u8 da[ETH_ALEN]; /* broadcast */
572 u8 sa[ETH_ALEN]; /* STA addr */
578 } __attribute__ ((packed));
580 static void ieee80211_send_layer2_update(struct sta_info *sta)
582 struct iapp_layer2_update *msg;
585 /* Send Level 2 Update Frame to update forwarding tables in layer 2
588 skb = dev_alloc_skb(sizeof(*msg));
591 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
593 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
594 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
596 memset(msg->da, 0xff, ETH_ALEN);
597 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
600 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
601 msg->control = 0xaf; /* XID response lsb.1111F101.
602 * F=0 (no poll command; unsolicited frame) */
603 msg->xid_info[0] = 0x81; /* XID format identifier */
604 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
605 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
607 skb->dev = sta->sdata->dev;
608 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
609 memset(skb->cb, 0, sizeof(skb->cb));
613 static void sta_apply_parameters(struct ieee80211_local *local,
614 struct sta_info *sta,
615 struct station_parameters *params)
619 struct ieee80211_supported_band *sband;
620 struct ieee80211_sub_if_data *sdata = sta->sdata;
623 sband = local->hw.wiphy->bands[local->oper_channel->band];
625 spin_lock_bh(&sta->lock);
626 mask = params->sta_flags_mask;
627 set = params->sta_flags_set;
629 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
630 sta->flags &= ~WLAN_STA_AUTHORIZED;
631 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
632 sta->flags |= WLAN_STA_AUTHORIZED;
635 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
636 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
637 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
638 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
641 if (mask & BIT(NL80211_STA_FLAG_WME)) {
642 sta->flags &= ~WLAN_STA_WME;
643 if (set & BIT(NL80211_STA_FLAG_WME))
644 sta->flags |= WLAN_STA_WME;
647 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
648 sta->flags &= ~WLAN_STA_MFP;
649 if (set & BIT(NL80211_STA_FLAG_MFP))
650 sta->flags |= WLAN_STA_MFP;
652 spin_unlock_bh(&sta->lock);
655 * cfg80211 validates this (1-2007) and allows setting the AID
656 * only when creating a new station entry
659 sta->sta.aid = params->aid;
662 * FIXME: updating the following information is racy when this
663 * function is called from ieee80211_change_station().
664 * However, all this information should be static so
665 * maybe we should just reject attemps to change it.
668 if (params->listen_interval >= 0)
669 sta->listen_interval = params->listen_interval;
671 if (params->supported_rates) {
674 for (i = 0; i < params->supported_rates_len; i++) {
675 int rate = (params->supported_rates[i] & 0x7f) * 5;
676 for (j = 0; j < sband->n_bitrates; j++) {
677 if (sband->bitrates[j].bitrate == rate)
681 sta->sta.supp_rates[local->oper_channel->band] = rates;
685 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
689 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
690 switch (params->plink_action) {
691 case PLINK_ACTION_OPEN:
692 mesh_plink_open(sta);
694 case PLINK_ACTION_BLOCK:
695 mesh_plink_block(sta);
701 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
702 u8 *mac, struct station_parameters *params)
704 struct ieee80211_local *local = wiphy_priv(wiphy);
705 struct sta_info *sta;
706 struct ieee80211_sub_if_data *sdata;
711 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
713 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
714 sdata->vif.type != NL80211_IFTYPE_AP)
717 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
719 if (compare_ether_addr(mac, dev->dev_addr) == 0)
722 if (is_multicast_ether_addr(mac))
725 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
729 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
731 sta_apply_parameters(local, sta, params);
733 rate_control_rate_init(sta);
735 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
736 sdata->vif.type == NL80211_IFTYPE_AP;
740 err = sta_info_insert(sta);
742 /* STA has been freed */
743 if (err == -EEXIST && layer2_update) {
744 /* Need to update layer 2 devices on reassociation */
745 sta = sta_info_get(local, mac);
747 ieee80211_send_layer2_update(sta);
754 ieee80211_send_layer2_update(sta);
761 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
764 struct ieee80211_local *local = wiphy_priv(wiphy);
765 struct ieee80211_sub_if_data *sdata;
766 struct sta_info *sta;
768 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
773 /* XXX: get sta belonging to dev */
774 sta = sta_info_get(local, mac);
780 sta_info_unlink(&sta);
783 sta_info_destroy(sta);
785 sta_info_flush(local, sdata);
790 static int ieee80211_change_station(struct wiphy *wiphy,
791 struct net_device *dev,
793 struct station_parameters *params)
795 struct ieee80211_local *local = wiphy_priv(wiphy);
796 struct sta_info *sta;
797 struct ieee80211_sub_if_data *vlansdata;
801 /* XXX: get sta belonging to dev */
802 sta = sta_info_get(local, mac);
808 if (params->vlan && params->vlan != sta->sdata->dev) {
809 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
811 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
812 vlansdata->vif.type != NL80211_IFTYPE_AP) {
817 sta->sdata = vlansdata;
818 ieee80211_send_layer2_update(sta);
821 sta_apply_parameters(local, sta, params);
828 #ifdef CONFIG_MAC80211_MESH
829 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
830 u8 *dst, u8 *next_hop)
832 struct ieee80211_local *local = wiphy_priv(wiphy);
833 struct ieee80211_sub_if_data *sdata;
834 struct mesh_path *mpath;
835 struct sta_info *sta;
838 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
841 sta = sta_info_get(local, next_hop);
847 err = mesh_path_add(dst, sdata);
853 mpath = mesh_path_lookup(dst, sdata);
858 mesh_path_fix_nexthop(mpath, sta);
864 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
867 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
870 return mesh_path_del(dst, sdata);
872 mesh_path_flush(sdata);
876 static int ieee80211_change_mpath(struct wiphy *wiphy,
877 struct net_device *dev,
878 u8 *dst, u8 *next_hop)
880 struct ieee80211_local *local = wiphy_priv(wiphy);
881 struct ieee80211_sub_if_data *sdata;
882 struct mesh_path *mpath;
883 struct sta_info *sta;
885 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
889 sta = sta_info_get(local, next_hop);
895 mpath = mesh_path_lookup(dst, sdata);
901 mesh_path_fix_nexthop(mpath, sta);
907 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
908 struct mpath_info *pinfo)
911 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
913 memset(next_hop, 0, ETH_ALEN);
915 pinfo->generation = mesh_paths_generation;
917 pinfo->filled = MPATH_INFO_FRAME_QLEN |
921 MPATH_INFO_DISCOVERY_TIMEOUT |
922 MPATH_INFO_DISCOVERY_RETRIES |
925 pinfo->frame_qlen = mpath->frame_queue.qlen;
926 pinfo->dsn = mpath->dsn;
927 pinfo->metric = mpath->metric;
928 if (time_before(jiffies, mpath->exp_time))
929 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
930 pinfo->discovery_timeout =
931 jiffies_to_msecs(mpath->discovery_timeout);
932 pinfo->discovery_retries = mpath->discovery_retries;
934 if (mpath->flags & MESH_PATH_ACTIVE)
935 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
936 if (mpath->flags & MESH_PATH_RESOLVING)
937 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
938 if (mpath->flags & MESH_PATH_DSN_VALID)
939 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
940 if (mpath->flags & MESH_PATH_FIXED)
941 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
942 if (mpath->flags & MESH_PATH_RESOLVING)
943 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
945 pinfo->flags = mpath->flags;
948 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
949 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
952 struct ieee80211_sub_if_data *sdata;
953 struct mesh_path *mpath;
955 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
958 mpath = mesh_path_lookup(dst, sdata);
963 memcpy(dst, mpath->dst, ETH_ALEN);
964 mpath_set_pinfo(mpath, next_hop, pinfo);
969 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
970 int idx, u8 *dst, u8 *next_hop,
971 struct mpath_info *pinfo)
973 struct ieee80211_sub_if_data *sdata;
974 struct mesh_path *mpath;
976 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
979 mpath = mesh_path_lookup_by_idx(idx, sdata);
984 memcpy(dst, mpath->dst, ETH_ALEN);
985 mpath_set_pinfo(mpath, next_hop, pinfo);
990 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
991 struct net_device *dev,
992 struct mesh_config *conf)
994 struct ieee80211_sub_if_data *sdata;
995 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
997 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1001 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1003 return (mask >> (parm-1)) & 0x1;
1006 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1007 struct net_device *dev,
1008 const struct mesh_config *nconf, u32 mask)
1010 struct mesh_config *conf;
1011 struct ieee80211_sub_if_data *sdata;
1012 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1014 /* Set the config options which we are interested in setting */
1015 conf = &(sdata->u.mesh.mshcfg);
1016 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1017 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1018 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1019 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1020 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1021 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1022 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1023 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1024 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1025 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1026 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1027 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1028 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1029 conf->auto_open_plinks = nconf->auto_open_plinks;
1030 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1031 conf->dot11MeshHWMPmaxPREQretries =
1032 nconf->dot11MeshHWMPmaxPREQretries;
1033 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1034 conf->path_refresh_time = nconf->path_refresh_time;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1036 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1037 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1038 conf->dot11MeshHWMPactivePathTimeout =
1039 nconf->dot11MeshHWMPactivePathTimeout;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1041 conf->dot11MeshHWMPpreqMinInterval =
1042 nconf->dot11MeshHWMPpreqMinInterval;
1043 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1045 conf->dot11MeshHWMPnetDiameterTraversalTime =
1046 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1052 static int ieee80211_change_bss(struct wiphy *wiphy,
1053 struct net_device *dev,
1054 struct bss_parameters *params)
1056 struct ieee80211_sub_if_data *sdata;
1059 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1061 if (params->use_cts_prot >= 0) {
1062 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1063 changed |= BSS_CHANGED_ERP_CTS_PROT;
1065 if (params->use_short_preamble >= 0) {
1066 sdata->vif.bss_conf.use_short_preamble =
1067 params->use_short_preamble;
1068 changed |= BSS_CHANGED_ERP_PREAMBLE;
1070 if (params->use_short_slot_time >= 0) {
1071 sdata->vif.bss_conf.use_short_slot =
1072 params->use_short_slot_time;
1073 changed |= BSS_CHANGED_ERP_SLOT;
1076 if (params->basic_rates) {
1079 struct ieee80211_local *local = wiphy_priv(wiphy);
1080 struct ieee80211_supported_band *sband =
1081 wiphy->bands[local->oper_channel->band];
1083 for (i = 0; i < params->basic_rates_len; i++) {
1084 int rate = (params->basic_rates[i] & 0x7f) * 5;
1085 for (j = 0; j < sband->n_bitrates; j++) {
1086 if (sband->bitrates[j].bitrate == rate)
1090 sdata->vif.bss_conf.basic_rates = rates;
1091 changed |= BSS_CHANGED_BASIC_RATES;
1094 ieee80211_bss_info_change_notify(sdata, changed);
1099 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1100 struct ieee80211_txq_params *params)
1102 struct ieee80211_local *local = wiphy_priv(wiphy);
1103 struct ieee80211_tx_queue_params p;
1105 if (!local->ops->conf_tx)
1108 memset(&p, 0, sizeof(p));
1109 p.aifs = params->aifs;
1110 p.cw_max = params->cwmax;
1111 p.cw_min = params->cwmin;
1112 p.txop = params->txop;
1113 if (drv_conf_tx(local, params->queue, &p)) {
1114 printk(KERN_DEBUG "%s: failed to set TX queue "
1115 "parameters for queue %d\n",
1116 wiphy_name(local->hw.wiphy), params->queue);
1123 static int ieee80211_set_channel(struct wiphy *wiphy,
1124 struct ieee80211_channel *chan,
1125 enum nl80211_channel_type channel_type)
1127 struct ieee80211_local *local = wiphy_priv(wiphy);
1129 local->oper_channel = chan;
1130 local->oper_channel_type = channel_type;
1132 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1136 static int ieee80211_suspend(struct wiphy *wiphy)
1138 return __ieee80211_suspend(wiphy_priv(wiphy));
1141 static int ieee80211_resume(struct wiphy *wiphy)
1143 return __ieee80211_resume(wiphy_priv(wiphy));
1146 #define ieee80211_suspend NULL
1147 #define ieee80211_resume NULL
1150 static int ieee80211_scan(struct wiphy *wiphy,
1151 struct net_device *dev,
1152 struct cfg80211_scan_request *req)
1154 struct ieee80211_sub_if_data *sdata;
1156 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1158 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1159 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1160 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1161 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1164 return ieee80211_request_scan(sdata, req);
1167 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1168 struct cfg80211_auth_request *req)
1170 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1173 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1174 struct cfg80211_assoc_request *req)
1176 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1179 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1180 struct cfg80211_deauth_request *req,
1183 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1187 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1188 struct cfg80211_disassoc_request *req,
1191 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1195 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1196 struct cfg80211_ibss_params *params)
1198 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1200 return ieee80211_ibss_join(sdata, params);
1203 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1205 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1207 return ieee80211_ibss_leave(sdata);
1210 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1212 struct ieee80211_local *local = wiphy_priv(wiphy);
1215 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1216 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1222 if (changed & WIPHY_PARAM_RETRY_SHORT)
1223 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1224 if (changed & WIPHY_PARAM_RETRY_LONG)
1225 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1227 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1228 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1233 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1234 enum tx_power_setting type, int dbm)
1236 struct ieee80211_local *local = wiphy_priv(wiphy);
1237 struct ieee80211_channel *chan = local->hw.conf.channel;
1241 case TX_POWER_AUTOMATIC:
1242 local->user_power_level = -1;
1244 case TX_POWER_LIMITED:
1247 local->user_power_level = dbm;
1249 case TX_POWER_FIXED:
1252 /* TODO: move to cfg80211 when it knows the channel */
1253 if (dbm > chan->max_power)
1255 local->user_power_level = dbm;
1259 ieee80211_hw_config(local, changes);
1264 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1266 struct ieee80211_local *local = wiphy_priv(wiphy);
1268 *dbm = local->hw.conf.power_level;
1273 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1276 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1278 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1283 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1285 struct ieee80211_local *local = wiphy_priv(wiphy);
1287 drv_rfkill_poll(local);
1290 #ifdef CONFIG_NL80211_TESTMODE
1291 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1293 struct ieee80211_local *local = wiphy_priv(wiphy);
1295 if (!local->ops->testmode_cmd)
1298 return local->ops->testmode_cmd(&local->hw, data, len);
1302 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1303 bool enabled, int timeout)
1305 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1306 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1307 struct ieee80211_conf *conf = &local->hw.conf;
1309 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1312 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1315 if (enabled == sdata->u.mgd.powersave &&
1316 timeout == conf->dynamic_ps_timeout)
1319 sdata->u.mgd.powersave = enabled;
1320 conf->dynamic_ps_timeout = timeout;
1322 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1323 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1325 ieee80211_recalc_ps(local, -1);
1330 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1331 struct net_device *dev,
1333 const struct cfg80211_bitrate_mask *mask)
1335 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1336 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1337 int i, err = -EINVAL;
1339 struct ieee80211_supported_band *sband;
1341 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1343 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1344 * target_rate = X, rate->fixed = 1 means only rate X
1345 * target_rate = X, rate->fixed = 0 means all rates <= X */
1346 sdata->max_ratectrl_rateidx = -1;
1347 sdata->force_unicast_rateidx = -1;
1350 target_rate = mask->fixed / 100;
1351 else if (mask->maxrate)
1352 target_rate = mask->maxrate / 100;
1356 for (i=0; i< sband->n_bitrates; i++) {
1357 struct ieee80211_rate *brate = &sband->bitrates[i];
1358 int this_rate = brate->bitrate;
1360 if (target_rate == this_rate) {
1361 sdata->max_ratectrl_rateidx = i;
1363 sdata->force_unicast_rateidx = i;
1372 struct cfg80211_ops mac80211_config_ops = {
1373 .add_virtual_intf = ieee80211_add_iface,
1374 .del_virtual_intf = ieee80211_del_iface,
1375 .change_virtual_intf = ieee80211_change_iface,
1376 .add_key = ieee80211_add_key,
1377 .del_key = ieee80211_del_key,
1378 .get_key = ieee80211_get_key,
1379 .set_default_key = ieee80211_config_default_key,
1380 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1381 .add_beacon = ieee80211_add_beacon,
1382 .set_beacon = ieee80211_set_beacon,
1383 .del_beacon = ieee80211_del_beacon,
1384 .add_station = ieee80211_add_station,
1385 .del_station = ieee80211_del_station,
1386 .change_station = ieee80211_change_station,
1387 .get_station = ieee80211_get_station,
1388 .dump_station = ieee80211_dump_station,
1389 #ifdef CONFIG_MAC80211_MESH
1390 .add_mpath = ieee80211_add_mpath,
1391 .del_mpath = ieee80211_del_mpath,
1392 .change_mpath = ieee80211_change_mpath,
1393 .get_mpath = ieee80211_get_mpath,
1394 .dump_mpath = ieee80211_dump_mpath,
1395 .set_mesh_params = ieee80211_set_mesh_params,
1396 .get_mesh_params = ieee80211_get_mesh_params,
1398 .change_bss = ieee80211_change_bss,
1399 .set_txq_params = ieee80211_set_txq_params,
1400 .set_channel = ieee80211_set_channel,
1401 .suspend = ieee80211_suspend,
1402 .resume = ieee80211_resume,
1403 .scan = ieee80211_scan,
1404 .auth = ieee80211_auth,
1405 .assoc = ieee80211_assoc,
1406 .deauth = ieee80211_deauth,
1407 .disassoc = ieee80211_disassoc,
1408 .join_ibss = ieee80211_join_ibss,
1409 .leave_ibss = ieee80211_leave_ibss,
1410 .set_wiphy_params = ieee80211_set_wiphy_params,
1411 .set_tx_power = ieee80211_set_tx_power,
1412 .get_tx_power = ieee80211_get_tx_power,
1413 .set_wds_peer = ieee80211_set_wds_peer,
1414 .rfkill_poll = ieee80211_rfkill_poll,
1415 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1416 .set_power_mgmt = ieee80211_set_power_mgmt,
1417 .set_bitrate_mask = ieee80211_set_bitrate_mask,