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, int ifindex)
62 struct net_device *dev;
63 struct ieee80211_sub_if_data *sdata;
65 /* we're under RTNL */
66 dev = __dev_get_by_index(&init_net, ifindex);
70 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
72 ieee80211_if_remove(sdata);
77 static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
78 enum nl80211_iftype type, u32 *flags,
79 struct vif_params *params)
81 struct net_device *dev;
82 struct ieee80211_sub_if_data *sdata;
85 /* we're under RTNL */
86 dev = __dev_get_by_index(&init_net, ifindex);
90 if (!nl80211_type_check(type))
93 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
95 ret = ieee80211_if_change_type(sdata, type);
99 if (netif_running(sdata->dev))
102 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
103 ieee80211_sdata_set_mesh_id(sdata,
107 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
110 sdata->u.mntr_flags = *flags;
114 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
115 u8 key_idx, const u8 *mac_addr,
116 struct key_params *params)
118 struct ieee80211_sub_if_data *sdata;
119 struct sta_info *sta = NULL;
120 enum ieee80211_key_alg alg;
121 struct ieee80211_key *key;
124 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
126 switch (params->cipher) {
127 case WLAN_CIPHER_SUITE_WEP40:
128 case WLAN_CIPHER_SUITE_WEP104:
131 case WLAN_CIPHER_SUITE_TKIP:
134 case WLAN_CIPHER_SUITE_CCMP:
137 case WLAN_CIPHER_SUITE_AES_CMAC:
144 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
145 params->seq_len, params->seq);
152 sta = sta_info_get(sdata->local, mac_addr);
154 ieee80211_key_free(key);
160 ieee80211_key_link(key, sdata, sta);
169 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
170 u8 key_idx, const u8 *mac_addr)
172 struct ieee80211_sub_if_data *sdata;
173 struct sta_info *sta;
176 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
183 sta = sta_info_get(sdata->local, mac_addr);
188 ieee80211_key_free(sta->key);
196 if (!sdata->keys[key_idx]) {
201 ieee80211_key_free(sdata->keys[key_idx]);
202 WARN_ON(sdata->keys[key_idx]);
211 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
212 u8 key_idx, const u8 *mac_addr, void *cookie,
213 void (*callback)(void *cookie,
214 struct key_params *params))
216 struct ieee80211_sub_if_data *sdata;
217 struct sta_info *sta = NULL;
219 struct key_params params;
220 struct ieee80211_key *key;
225 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
230 sta = sta_info_get(sdata->local, mac_addr);
236 key = sdata->keys[key_idx];
241 memset(¶ms, 0, sizeof(params));
243 switch (key->conf.alg) {
245 params.cipher = WLAN_CIPHER_SUITE_TKIP;
247 iv32 = key->u.tkip.tx.iv32;
248 iv16 = key->u.tkip.tx.iv16;
250 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
251 drv_get_tkip_seq(sdata->local,
252 key->conf.hw_key_idx,
255 seq[0] = iv16 & 0xff;
256 seq[1] = (iv16 >> 8) & 0xff;
257 seq[2] = iv32 & 0xff;
258 seq[3] = (iv32 >> 8) & 0xff;
259 seq[4] = (iv32 >> 16) & 0xff;
260 seq[5] = (iv32 >> 24) & 0xff;
265 params.cipher = WLAN_CIPHER_SUITE_CCMP;
266 seq[0] = key->u.ccmp.tx_pn[5];
267 seq[1] = key->u.ccmp.tx_pn[4];
268 seq[2] = key->u.ccmp.tx_pn[3];
269 seq[3] = key->u.ccmp.tx_pn[2];
270 seq[4] = key->u.ccmp.tx_pn[1];
271 seq[5] = key->u.ccmp.tx_pn[0];
276 if (key->conf.keylen == 5)
277 params.cipher = WLAN_CIPHER_SUITE_WEP40;
279 params.cipher = WLAN_CIPHER_SUITE_WEP104;
282 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
283 seq[0] = key->u.aes_cmac.tx_pn[5];
284 seq[1] = key->u.aes_cmac.tx_pn[4];
285 seq[2] = key->u.aes_cmac.tx_pn[3];
286 seq[3] = key->u.aes_cmac.tx_pn[2];
287 seq[4] = key->u.aes_cmac.tx_pn[1];
288 seq[5] = key->u.aes_cmac.tx_pn[0];
294 params.key = key->conf.key;
295 params.key_len = key->conf.keylen;
297 callback(cookie, ¶ms);
305 static int ieee80211_config_default_key(struct wiphy *wiphy,
306 struct net_device *dev,
309 struct ieee80211_sub_if_data *sdata;
313 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
314 ieee80211_set_default_key(sdata, key_idx);
321 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
322 struct net_device *dev,
325 struct ieee80211_sub_if_data *sdata;
329 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
330 ieee80211_set_default_mgmt_key(sdata, key_idx);
337 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
339 struct ieee80211_sub_if_data *sdata = sta->sdata;
341 sinfo->filled = STATION_INFO_INACTIVE_TIME |
342 STATION_INFO_RX_BYTES |
343 STATION_INFO_TX_BYTES |
344 STATION_INFO_RX_PACKETS |
345 STATION_INFO_TX_PACKETS |
346 STATION_INFO_TX_BITRATE;
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;
354 if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
355 sinfo->filled |= STATION_INFO_SIGNAL;
356 sinfo->signal = (s8)sta->last_signal;
359 sinfo->txrate.flags = 0;
360 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
361 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
362 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
363 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
367 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
368 struct ieee80211_supported_band *sband;
369 sband = sta->local->hw.wiphy->bands[
370 sta->local->hw.conf.channel->band];
371 sinfo->txrate.legacy =
372 sband->bitrates[sta->last_tx_rate.idx].bitrate;
374 sinfo->txrate.mcs = sta->last_tx_rate.idx;
376 if (ieee80211_vif_is_mesh(&sdata->vif)) {
377 #ifdef CONFIG_MAC80211_MESH
378 sinfo->filled |= STATION_INFO_LLID |
380 STATION_INFO_PLINK_STATE;
382 sinfo->llid = le16_to_cpu(sta->llid);
383 sinfo->plid = le16_to_cpu(sta->plid);
384 sinfo->plink_state = sta->plink_state;
390 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
391 int idx, u8 *mac, struct station_info *sinfo)
393 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
394 struct sta_info *sta;
399 sta = sta_info_get_by_idx(local, idx, dev);
402 memcpy(mac, sta->sta.addr, ETH_ALEN);
403 sta_set_sinfo(sta, sinfo);
411 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
412 u8 *mac, struct station_info *sinfo)
414 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
415 struct sta_info *sta;
420 /* XXX: verify sta->dev == dev */
422 sta = sta_info_get(local, mac);
425 sta_set_sinfo(sta, sinfo);
434 * This handles both adding a beacon and setting new beacon info
436 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
437 struct beacon_parameters *params)
439 struct beacon_data *new, *old;
440 int new_head_len, new_tail_len;
444 old = sdata->u.ap.beacon;
446 /* head must not be zero-length */
447 if (params->head && !params->head_len)
451 * This is a kludge. beacon interval should really be part
452 * of the beacon information.
454 if (params->interval &&
455 (sdata->vif.bss_conf.beacon_int != params->interval)) {
456 sdata->vif.bss_conf.beacon_int = params->interval;
457 ieee80211_bss_info_change_notify(sdata,
458 BSS_CHANGED_BEACON_INT);
461 /* Need to have a beacon head if we don't have one yet */
462 if (!params->head && !old)
465 /* sorry, no way to start beaconing without dtim period */
466 if (!params->dtim_period && !old)
469 /* new or old head? */
471 new_head_len = params->head_len;
473 new_head_len = old->head_len;
475 /* new or old tail? */
476 if (params->tail || !old)
477 /* params->tail_len will be zero for !params->tail */
478 new_tail_len = params->tail_len;
480 new_tail_len = old->tail_len;
482 size = sizeof(*new) + new_head_len + new_tail_len;
484 new = kzalloc(size, GFP_KERNEL);
488 /* start filling the new info now */
490 /* new or old dtim period? */
491 if (params->dtim_period)
492 new->dtim_period = params->dtim_period;
494 new->dtim_period = old->dtim_period;
497 * pointers go into the block we allocated,
498 * memory is | beacon_data | head | tail |
500 new->head = ((u8 *) new) + sizeof(*new);
501 new->tail = new->head + new_head_len;
502 new->head_len = new_head_len;
503 new->tail_len = new_tail_len;
507 memcpy(new->head, params->head, new_head_len);
509 memcpy(new->head, old->head, new_head_len);
511 /* copy in optional tail */
513 memcpy(new->tail, params->tail, new_tail_len);
516 memcpy(new->tail, old->tail, new_tail_len);
518 rcu_assign_pointer(sdata->u.ap.beacon, new);
524 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
529 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
530 struct beacon_parameters *params)
532 struct ieee80211_sub_if_data *sdata;
533 struct beacon_data *old;
535 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
537 old = sdata->u.ap.beacon;
542 return ieee80211_config_beacon(sdata, params);
545 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
546 struct beacon_parameters *params)
548 struct ieee80211_sub_if_data *sdata;
549 struct beacon_data *old;
551 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
553 old = sdata->u.ap.beacon;
558 return ieee80211_config_beacon(sdata, params);
561 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
563 struct ieee80211_sub_if_data *sdata;
564 struct beacon_data *old;
566 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
568 old = sdata->u.ap.beacon;
573 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
577 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
581 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
582 struct iapp_layer2_update {
583 u8 da[ETH_ALEN]; /* broadcast */
584 u8 sa[ETH_ALEN]; /* STA addr */
590 } __attribute__ ((packed));
592 static void ieee80211_send_layer2_update(struct sta_info *sta)
594 struct iapp_layer2_update *msg;
597 /* Send Level 2 Update Frame to update forwarding tables in layer 2
600 skb = dev_alloc_skb(sizeof(*msg));
603 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
605 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
606 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
608 memset(msg->da, 0xff, ETH_ALEN);
609 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
612 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
613 msg->control = 0xaf; /* XID response lsb.1111F101.
614 * F=0 (no poll command; unsolicited frame) */
615 msg->xid_info[0] = 0x81; /* XID format identifier */
616 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
617 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
619 skb->dev = sta->sdata->dev;
620 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
621 memset(skb->cb, 0, sizeof(skb->cb));
625 static void sta_apply_parameters(struct ieee80211_local *local,
626 struct sta_info *sta,
627 struct station_parameters *params)
631 struct ieee80211_supported_band *sband;
632 struct ieee80211_sub_if_data *sdata = sta->sdata;
635 sband = local->hw.wiphy->bands[local->oper_channel->band];
637 spin_lock_bh(&sta->lock);
638 mask = params->sta_flags_mask;
639 set = params->sta_flags_set;
641 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
642 sta->flags &= ~WLAN_STA_AUTHORIZED;
643 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
644 sta->flags |= WLAN_STA_AUTHORIZED;
647 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
648 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
649 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
650 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
653 if (mask & BIT(NL80211_STA_FLAG_WME)) {
654 sta->flags &= ~WLAN_STA_WME;
655 if (set & BIT(NL80211_STA_FLAG_WME))
656 sta->flags |= WLAN_STA_WME;
659 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
660 sta->flags &= ~WLAN_STA_MFP;
661 if (set & BIT(NL80211_STA_FLAG_MFP))
662 sta->flags |= WLAN_STA_MFP;
664 spin_unlock_bh(&sta->lock);
667 * FIXME: updating the following information is racy when this
668 * function is called from ieee80211_change_station().
669 * However, all this information should be static so
670 * maybe we should just reject attemps to change it.
674 sta->sta.aid = params->aid;
675 if (sta->sta.aid > IEEE80211_MAX_AID)
676 sta->sta.aid = 0; /* XXX: should this be an error? */
679 if (params->listen_interval >= 0)
680 sta->listen_interval = params->listen_interval;
682 if (params->supported_rates) {
685 for (i = 0; i < params->supported_rates_len; i++) {
686 int rate = (params->supported_rates[i] & 0x7f) * 5;
687 for (j = 0; j < sband->n_bitrates; j++) {
688 if (sband->bitrates[j].bitrate == rate)
692 sta->sta.supp_rates[local->oper_channel->band] = rates;
696 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
700 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
701 switch (params->plink_action) {
702 case PLINK_ACTION_OPEN:
703 mesh_plink_open(sta);
705 case PLINK_ACTION_BLOCK:
706 mesh_plink_block(sta);
712 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
713 u8 *mac, struct station_parameters *params)
715 struct ieee80211_local *local = wiphy_priv(wiphy);
716 struct sta_info *sta;
717 struct ieee80211_sub_if_data *sdata;
722 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
724 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
725 sdata->vif.type != NL80211_IFTYPE_AP)
728 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
730 if (compare_ether_addr(mac, dev->dev_addr) == 0)
733 if (is_multicast_ether_addr(mac))
736 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
740 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
742 sta_apply_parameters(local, sta, params);
744 rate_control_rate_init(sta);
746 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
747 sdata->vif.type == NL80211_IFTYPE_AP;
751 err = sta_info_insert(sta);
753 /* STA has been freed */
754 if (err == -EEXIST && layer2_update) {
755 /* Need to update layer 2 devices on reassociation */
756 sta = sta_info_get(local, mac);
758 ieee80211_send_layer2_update(sta);
765 ieee80211_send_layer2_update(sta);
772 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
775 struct ieee80211_local *local = wiphy_priv(wiphy);
776 struct ieee80211_sub_if_data *sdata;
777 struct sta_info *sta;
779 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
784 /* XXX: get sta belonging to dev */
785 sta = sta_info_get(local, mac);
791 sta_info_unlink(&sta);
794 sta_info_destroy(sta);
796 sta_info_flush(local, sdata);
801 static int ieee80211_change_station(struct wiphy *wiphy,
802 struct net_device *dev,
804 struct station_parameters *params)
806 struct ieee80211_local *local = wiphy_priv(wiphy);
807 struct sta_info *sta;
808 struct ieee80211_sub_if_data *vlansdata;
812 /* XXX: get sta belonging to dev */
813 sta = sta_info_get(local, mac);
819 if (params->vlan && params->vlan != sta->sdata->dev) {
820 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
822 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
823 vlansdata->vif.type != NL80211_IFTYPE_AP) {
828 sta->sdata = vlansdata;
829 ieee80211_send_layer2_update(sta);
832 sta_apply_parameters(local, sta, params);
839 #ifdef CONFIG_MAC80211_MESH
840 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
841 u8 *dst, u8 *next_hop)
843 struct ieee80211_local *local = wiphy_priv(wiphy);
844 struct ieee80211_sub_if_data *sdata;
845 struct mesh_path *mpath;
846 struct sta_info *sta;
849 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
852 sta = sta_info_get(local, next_hop);
858 err = mesh_path_add(dst, sdata);
864 mpath = mesh_path_lookup(dst, sdata);
869 mesh_path_fix_nexthop(mpath, sta);
875 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
878 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
881 return mesh_path_del(dst, sdata);
883 mesh_path_flush(sdata);
887 static int ieee80211_change_mpath(struct wiphy *wiphy,
888 struct net_device *dev,
889 u8 *dst, u8 *next_hop)
891 struct ieee80211_local *local = wiphy_priv(wiphy);
892 struct ieee80211_sub_if_data *sdata;
893 struct mesh_path *mpath;
894 struct sta_info *sta;
896 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
900 sta = sta_info_get(local, next_hop);
906 mpath = mesh_path_lookup(dst, sdata);
912 mesh_path_fix_nexthop(mpath, sta);
918 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
919 struct mpath_info *pinfo)
922 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
924 memset(next_hop, 0, ETH_ALEN);
926 pinfo->filled = MPATH_INFO_FRAME_QLEN |
930 MPATH_INFO_DISCOVERY_TIMEOUT |
931 MPATH_INFO_DISCOVERY_RETRIES |
934 pinfo->frame_qlen = mpath->frame_queue.qlen;
935 pinfo->dsn = mpath->dsn;
936 pinfo->metric = mpath->metric;
937 if (time_before(jiffies, mpath->exp_time))
938 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
939 pinfo->discovery_timeout =
940 jiffies_to_msecs(mpath->discovery_timeout);
941 pinfo->discovery_retries = mpath->discovery_retries;
943 if (mpath->flags & MESH_PATH_ACTIVE)
944 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
945 if (mpath->flags & MESH_PATH_RESOLVING)
946 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
947 if (mpath->flags & MESH_PATH_DSN_VALID)
948 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
949 if (mpath->flags & MESH_PATH_FIXED)
950 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
951 if (mpath->flags & MESH_PATH_RESOLVING)
952 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
954 pinfo->flags = mpath->flags;
957 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
958 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
961 struct ieee80211_sub_if_data *sdata;
962 struct mesh_path *mpath;
964 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
967 mpath = mesh_path_lookup(dst, sdata);
972 memcpy(dst, mpath->dst, ETH_ALEN);
973 mpath_set_pinfo(mpath, next_hop, pinfo);
978 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
979 int idx, u8 *dst, u8 *next_hop,
980 struct mpath_info *pinfo)
982 struct ieee80211_sub_if_data *sdata;
983 struct mesh_path *mpath;
985 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
988 mpath = mesh_path_lookup_by_idx(idx, sdata);
993 memcpy(dst, mpath->dst, ETH_ALEN);
994 mpath_set_pinfo(mpath, next_hop, pinfo);
999 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1000 struct net_device *dev,
1001 struct mesh_config *conf)
1003 struct ieee80211_sub_if_data *sdata;
1004 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1006 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1010 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1012 return (mask >> (parm-1)) & 0x1;
1015 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1016 struct net_device *dev,
1017 const struct mesh_config *nconf, u32 mask)
1019 struct mesh_config *conf;
1020 struct ieee80211_sub_if_data *sdata;
1021 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1023 /* Set the config options which we are interested in setting */
1024 conf = &(sdata->u.mesh.mshcfg);
1025 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1026 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1027 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1028 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1029 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1030 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1031 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1032 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1033 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1034 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1036 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1037 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1038 conf->auto_open_plinks = nconf->auto_open_plinks;
1039 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1040 conf->dot11MeshHWMPmaxPREQretries =
1041 nconf->dot11MeshHWMPmaxPREQretries;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1043 conf->path_refresh_time = nconf->path_refresh_time;
1044 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1045 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1046 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1047 conf->dot11MeshHWMPactivePathTimeout =
1048 nconf->dot11MeshHWMPactivePathTimeout;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1050 conf->dot11MeshHWMPpreqMinInterval =
1051 nconf->dot11MeshHWMPpreqMinInterval;
1052 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1054 conf->dot11MeshHWMPnetDiameterTraversalTime =
1055 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1061 static int ieee80211_change_bss(struct wiphy *wiphy,
1062 struct net_device *dev,
1063 struct bss_parameters *params)
1065 struct ieee80211_sub_if_data *sdata;
1068 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1070 if (params->use_cts_prot >= 0) {
1071 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1072 changed |= BSS_CHANGED_ERP_CTS_PROT;
1074 if (params->use_short_preamble >= 0) {
1075 sdata->vif.bss_conf.use_short_preamble =
1076 params->use_short_preamble;
1077 changed |= BSS_CHANGED_ERP_PREAMBLE;
1079 if (params->use_short_slot_time >= 0) {
1080 sdata->vif.bss_conf.use_short_slot =
1081 params->use_short_slot_time;
1082 changed |= BSS_CHANGED_ERP_SLOT;
1085 if (params->basic_rates) {
1088 struct ieee80211_local *local = wiphy_priv(wiphy);
1089 struct ieee80211_supported_band *sband =
1090 wiphy->bands[local->oper_channel->band];
1092 for (i = 0; i < params->basic_rates_len; i++) {
1093 int rate = (params->basic_rates[i] & 0x7f) * 5;
1094 for (j = 0; j < sband->n_bitrates; j++) {
1095 if (sband->bitrates[j].bitrate == rate)
1099 sdata->vif.bss_conf.basic_rates = rates;
1100 changed |= BSS_CHANGED_BASIC_RATES;
1103 ieee80211_bss_info_change_notify(sdata, changed);
1108 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1109 struct ieee80211_txq_params *params)
1111 struct ieee80211_local *local = wiphy_priv(wiphy);
1112 struct ieee80211_tx_queue_params p;
1114 if (!local->ops->conf_tx)
1117 memset(&p, 0, sizeof(p));
1118 p.aifs = params->aifs;
1119 p.cw_max = params->cwmax;
1120 p.cw_min = params->cwmin;
1121 p.txop = params->txop;
1122 if (drv_conf_tx(local, params->queue, &p)) {
1123 printk(KERN_DEBUG "%s: failed to set TX queue "
1124 "parameters for queue %d\n", local->mdev->name,
1132 static int ieee80211_set_channel(struct wiphy *wiphy,
1133 struct ieee80211_channel *chan,
1134 enum nl80211_channel_type channel_type)
1136 struct ieee80211_local *local = wiphy_priv(wiphy);
1138 local->oper_channel = chan;
1139 local->oper_channel_type = channel_type;
1141 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1145 static int ieee80211_suspend(struct wiphy *wiphy)
1147 return __ieee80211_suspend(wiphy_priv(wiphy));
1150 static int ieee80211_resume(struct wiphy *wiphy)
1152 return __ieee80211_resume(wiphy_priv(wiphy));
1155 #define ieee80211_suspend NULL
1156 #define ieee80211_resume NULL
1159 static int ieee80211_scan(struct wiphy *wiphy,
1160 struct net_device *dev,
1161 struct cfg80211_scan_request *req)
1163 struct ieee80211_sub_if_data *sdata;
1165 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1167 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1168 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1169 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1170 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1173 return ieee80211_request_scan(sdata, req);
1176 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1177 struct cfg80211_auth_request *req)
1179 struct ieee80211_sub_if_data *sdata;
1181 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1183 switch (req->auth_type) {
1184 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1185 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1187 case NL80211_AUTHTYPE_SHARED_KEY:
1188 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1190 case NL80211_AUTHTYPE_FT:
1191 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1193 case NL80211_AUTHTYPE_NETWORK_EAP:
1194 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1200 memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1201 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1202 sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1204 /* TODO: req->chan */
1205 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1208 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1209 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1210 sdata->u.mgd.ssid_len = req->ssid_len;
1211 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1214 kfree(sdata->u.mgd.sme_auth_ie);
1215 sdata->u.mgd.sme_auth_ie = NULL;
1216 sdata->u.mgd.sme_auth_ie_len = 0;
1218 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1219 if (sdata->u.mgd.sme_auth_ie == NULL)
1221 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1222 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1225 sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1226 sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1227 ieee80211_sta_req_auth(sdata);
1231 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1232 struct cfg80211_assoc_request *req)
1234 struct ieee80211_sub_if_data *sdata;
1237 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1239 if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1240 !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1241 return -ENOLINK; /* not authenticated */
1243 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1244 sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1246 /* TODO: req->chan */
1247 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1250 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1251 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1252 sdata->u.mgd.ssid_len = req->ssid_len;
1253 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1255 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1257 ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1262 sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
1263 sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
1265 sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
1266 sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
1269 if (req->control_port)
1270 sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
1272 sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
1274 sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1275 sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1276 ieee80211_sta_req_auth(sdata);
1280 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1281 struct cfg80211_deauth_request *req)
1283 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1285 /* TODO: req->ie, req->peer_addr */
1286 return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1289 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1290 struct cfg80211_disassoc_request *req)
1292 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1294 /* TODO: req->ie, req->peer_addr */
1295 return ieee80211_sta_disassociate(sdata, req->reason_code);
1298 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1299 struct cfg80211_ibss_params *params)
1301 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1303 return ieee80211_ibss_join(sdata, params);
1306 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1308 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1310 return ieee80211_ibss_leave(sdata);
1313 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1315 struct ieee80211_local *local = wiphy_priv(wiphy);
1318 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1319 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1325 if (changed & WIPHY_PARAM_RETRY_SHORT)
1326 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1327 if (changed & WIPHY_PARAM_RETRY_LONG)
1328 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1330 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1331 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1336 struct cfg80211_ops mac80211_config_ops = {
1337 .add_virtual_intf = ieee80211_add_iface,
1338 .del_virtual_intf = ieee80211_del_iface,
1339 .change_virtual_intf = ieee80211_change_iface,
1340 .add_key = ieee80211_add_key,
1341 .del_key = ieee80211_del_key,
1342 .get_key = ieee80211_get_key,
1343 .set_default_key = ieee80211_config_default_key,
1344 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1345 .add_beacon = ieee80211_add_beacon,
1346 .set_beacon = ieee80211_set_beacon,
1347 .del_beacon = ieee80211_del_beacon,
1348 .add_station = ieee80211_add_station,
1349 .del_station = ieee80211_del_station,
1350 .change_station = ieee80211_change_station,
1351 .get_station = ieee80211_get_station,
1352 .dump_station = ieee80211_dump_station,
1353 #ifdef CONFIG_MAC80211_MESH
1354 .add_mpath = ieee80211_add_mpath,
1355 .del_mpath = ieee80211_del_mpath,
1356 .change_mpath = ieee80211_change_mpath,
1357 .get_mpath = ieee80211_get_mpath,
1358 .dump_mpath = ieee80211_dump_mpath,
1359 .set_mesh_params = ieee80211_set_mesh_params,
1360 .get_mesh_params = ieee80211_get_mesh_params,
1362 .change_bss = ieee80211_change_bss,
1363 .set_txq_params = ieee80211_set_txq_params,
1364 .set_channel = ieee80211_set_channel,
1365 .suspend = ieee80211_suspend,
1366 .resume = ieee80211_resume,
1367 .scan = ieee80211_scan,
1368 .auth = ieee80211_auth,
1369 .assoc = ieee80211_assoc,
1370 .deauth = ieee80211_deauth,
1371 .disassoc = ieee80211_disassoc,
1372 .join_ibss = ieee80211_join_ibss,
1373 .leave_ibss = ieee80211_leave_ibss,
1374 .set_wiphy_params = ieee80211_set_wiphy_params,