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);
151 sta = sta_info_get(sdata->local, mac_addr);
153 ieee80211_key_free(key);
159 ieee80211_key_link(key, sdata, sta);
168 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
169 u8 key_idx, const u8 *mac_addr)
171 struct ieee80211_sub_if_data *sdata;
172 struct sta_info *sta;
175 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
182 sta = sta_info_get(sdata->local, mac_addr);
187 ieee80211_key_free(sta->key);
195 if (!sdata->keys[key_idx]) {
200 ieee80211_key_free(sdata->keys[key_idx]);
201 WARN_ON(sdata->keys[key_idx]);
210 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
211 u8 key_idx, const u8 *mac_addr, void *cookie,
212 void (*callback)(void *cookie,
213 struct key_params *params))
215 struct ieee80211_sub_if_data *sdata;
216 struct sta_info *sta = NULL;
218 struct key_params params;
219 struct ieee80211_key *key;
224 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
229 sta = sta_info_get(sdata->local, mac_addr);
235 key = sdata->keys[key_idx];
240 memset(¶ms, 0, sizeof(params));
242 switch (key->conf.alg) {
244 params.cipher = WLAN_CIPHER_SUITE_TKIP;
246 iv32 = key->u.tkip.tx.iv32;
247 iv16 = key->u.tkip.tx.iv16;
249 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
250 drv_get_tkip_seq(sdata->local,
251 key->conf.hw_key_idx,
254 seq[0] = iv16 & 0xff;
255 seq[1] = (iv16 >> 8) & 0xff;
256 seq[2] = iv32 & 0xff;
257 seq[3] = (iv32 >> 8) & 0xff;
258 seq[4] = (iv32 >> 16) & 0xff;
259 seq[5] = (iv32 >> 24) & 0xff;
264 params.cipher = WLAN_CIPHER_SUITE_CCMP;
265 seq[0] = key->u.ccmp.tx_pn[5];
266 seq[1] = key->u.ccmp.tx_pn[4];
267 seq[2] = key->u.ccmp.tx_pn[3];
268 seq[3] = key->u.ccmp.tx_pn[2];
269 seq[4] = key->u.ccmp.tx_pn[1];
270 seq[5] = key->u.ccmp.tx_pn[0];
275 if (key->conf.keylen == 5)
276 params.cipher = WLAN_CIPHER_SUITE_WEP40;
278 params.cipher = WLAN_CIPHER_SUITE_WEP104;
281 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
282 seq[0] = key->u.aes_cmac.tx_pn[5];
283 seq[1] = key->u.aes_cmac.tx_pn[4];
284 seq[2] = key->u.aes_cmac.tx_pn[3];
285 seq[3] = key->u.aes_cmac.tx_pn[2];
286 seq[4] = key->u.aes_cmac.tx_pn[1];
287 seq[5] = key->u.aes_cmac.tx_pn[0];
293 params.key = key->conf.key;
294 params.key_len = key->conf.keylen;
296 callback(cookie, ¶ms);
304 static int ieee80211_config_default_key(struct wiphy *wiphy,
305 struct net_device *dev,
308 struct ieee80211_sub_if_data *sdata;
312 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313 ieee80211_set_default_key(sdata, key_idx);
320 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
321 struct net_device *dev,
324 struct ieee80211_sub_if_data *sdata;
328 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
329 ieee80211_set_default_mgmt_key(sdata, key_idx);
336 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
338 struct ieee80211_sub_if_data *sdata = sta->sdata;
340 sinfo->filled = STATION_INFO_INACTIVE_TIME |
341 STATION_INFO_RX_BYTES |
342 STATION_INFO_TX_BYTES |
343 STATION_INFO_RX_PACKETS |
344 STATION_INFO_TX_PACKETS |
345 STATION_INFO_TX_BITRATE;
347 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
348 sinfo->rx_bytes = sta->rx_bytes;
349 sinfo->tx_bytes = sta->tx_bytes;
350 sinfo->rx_packets = sta->rx_packets;
351 sinfo->tx_packets = sta->tx_packets;
353 if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
354 sinfo->filled |= STATION_INFO_SIGNAL;
355 sinfo->signal = (s8)sta->last_signal;
358 sinfo->txrate.flags = 0;
359 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
360 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
361 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
362 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
363 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
364 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
366 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
367 struct ieee80211_supported_band *sband;
368 sband = sta->local->hw.wiphy->bands[
369 sta->local->hw.conf.channel->band];
370 sinfo->txrate.legacy =
371 sband->bitrates[sta->last_tx_rate.idx].bitrate;
373 sinfo->txrate.mcs = sta->last_tx_rate.idx;
375 if (ieee80211_vif_is_mesh(&sdata->vif)) {
376 #ifdef CONFIG_MAC80211_MESH
377 sinfo->filled |= STATION_INFO_LLID |
379 STATION_INFO_PLINK_STATE;
381 sinfo->llid = le16_to_cpu(sta->llid);
382 sinfo->plid = le16_to_cpu(sta->plid);
383 sinfo->plink_state = sta->plink_state;
389 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
390 int idx, u8 *mac, struct station_info *sinfo)
392 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
393 struct sta_info *sta;
398 sta = sta_info_get_by_idx(local, idx, dev);
401 memcpy(mac, sta->sta.addr, ETH_ALEN);
402 sta_set_sinfo(sta, sinfo);
410 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
411 u8 *mac, struct station_info *sinfo)
413 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
414 struct sta_info *sta;
419 /* XXX: verify sta->dev == dev */
421 sta = sta_info_get(local, mac);
424 sta_set_sinfo(sta, sinfo);
433 * This handles both adding a beacon and setting new beacon info
435 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
436 struct beacon_parameters *params)
438 struct beacon_data *new, *old;
439 int new_head_len, new_tail_len;
443 old = sdata->u.ap.beacon;
445 /* head must not be zero-length */
446 if (params->head && !params->head_len)
450 * This is a kludge. beacon interval should really be part
451 * of the beacon information.
453 if (params->interval &&
454 (sdata->vif.bss_conf.beacon_int != params->interval)) {
455 sdata->vif.bss_conf.beacon_int = params->interval;
456 ieee80211_bss_info_change_notify(sdata,
457 BSS_CHANGED_BEACON_INT);
460 /* Need to have a beacon head if we don't have one yet */
461 if (!params->head && !old)
464 /* sorry, no way to start beaconing without dtim period */
465 if (!params->dtim_period && !old)
468 /* new or old head? */
470 new_head_len = params->head_len;
472 new_head_len = old->head_len;
474 /* new or old tail? */
475 if (params->tail || !old)
476 /* params->tail_len will be zero for !params->tail */
477 new_tail_len = params->tail_len;
479 new_tail_len = old->tail_len;
481 size = sizeof(*new) + new_head_len + new_tail_len;
483 new = kzalloc(size, GFP_KERNEL);
487 /* start filling the new info now */
489 /* new or old dtim period? */
490 if (params->dtim_period)
491 new->dtim_period = params->dtim_period;
493 new->dtim_period = old->dtim_period;
496 * pointers go into the block we allocated,
497 * memory is | beacon_data | head | tail |
499 new->head = ((u8 *) new) + sizeof(*new);
500 new->tail = new->head + new_head_len;
501 new->head_len = new_head_len;
502 new->tail_len = new_tail_len;
506 memcpy(new->head, params->head, new_head_len);
508 memcpy(new->head, old->head, new_head_len);
510 /* copy in optional tail */
512 memcpy(new->tail, params->tail, new_tail_len);
515 memcpy(new->tail, old->tail, new_tail_len);
517 rcu_assign_pointer(sdata->u.ap.beacon, new);
523 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
528 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
529 struct beacon_parameters *params)
531 struct ieee80211_sub_if_data *sdata;
532 struct beacon_data *old;
534 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
536 old = sdata->u.ap.beacon;
541 return ieee80211_config_beacon(sdata, params);
544 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
545 struct beacon_parameters *params)
547 struct ieee80211_sub_if_data *sdata;
548 struct beacon_data *old;
550 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
552 old = sdata->u.ap.beacon;
557 return ieee80211_config_beacon(sdata, params);
560 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
562 struct ieee80211_sub_if_data *sdata;
563 struct beacon_data *old;
565 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
567 old = sdata->u.ap.beacon;
572 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
576 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
580 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
581 struct iapp_layer2_update {
582 u8 da[ETH_ALEN]; /* broadcast */
583 u8 sa[ETH_ALEN]; /* STA addr */
589 } __attribute__ ((packed));
591 static void ieee80211_send_layer2_update(struct sta_info *sta)
593 struct iapp_layer2_update *msg;
596 /* Send Level 2 Update Frame to update forwarding tables in layer 2
599 skb = dev_alloc_skb(sizeof(*msg));
602 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
604 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
605 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
607 memset(msg->da, 0xff, ETH_ALEN);
608 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
611 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
612 msg->control = 0xaf; /* XID response lsb.1111F101.
613 * F=0 (no poll command; unsolicited frame) */
614 msg->xid_info[0] = 0x81; /* XID format identifier */
615 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
616 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
618 skb->dev = sta->sdata->dev;
619 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
620 memset(skb->cb, 0, sizeof(skb->cb));
624 static void sta_apply_parameters(struct ieee80211_local *local,
625 struct sta_info *sta,
626 struct station_parameters *params)
630 struct ieee80211_supported_band *sband;
631 struct ieee80211_sub_if_data *sdata = sta->sdata;
634 sband = local->hw.wiphy->bands[local->oper_channel->band];
636 spin_lock_bh(&sta->lock);
637 mask = params->sta_flags_mask;
638 set = params->sta_flags_set;
640 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
641 sta->flags &= ~WLAN_STA_AUTHORIZED;
642 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
643 sta->flags |= WLAN_STA_AUTHORIZED;
646 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
647 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
648 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
649 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
652 if (mask & BIT(NL80211_STA_FLAG_WME)) {
653 sta->flags &= ~WLAN_STA_WME;
654 if (set & BIT(NL80211_STA_FLAG_WME))
655 sta->flags |= WLAN_STA_WME;
658 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
659 sta->flags &= ~WLAN_STA_MFP;
660 if (set & BIT(NL80211_STA_FLAG_MFP))
661 sta->flags |= WLAN_STA_MFP;
663 spin_unlock_bh(&sta->lock);
666 * FIXME: updating the following information is racy when this
667 * function is called from ieee80211_change_station().
668 * However, all this information should be static so
669 * maybe we should just reject attemps to change it.
673 sta->sta.aid = params->aid;
674 if (sta->sta.aid > IEEE80211_MAX_AID)
675 sta->sta.aid = 0; /* XXX: should this be an error? */
678 if (params->listen_interval >= 0)
679 sta->listen_interval = params->listen_interval;
681 if (params->supported_rates) {
684 for (i = 0; i < params->supported_rates_len; i++) {
685 int rate = (params->supported_rates[i] & 0x7f) * 5;
686 for (j = 0; j < sband->n_bitrates; j++) {
687 if (sband->bitrates[j].bitrate == rate)
691 sta->sta.supp_rates[local->oper_channel->band] = rates;
695 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
699 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
700 switch (params->plink_action) {
701 case PLINK_ACTION_OPEN:
702 mesh_plink_open(sta);
704 case PLINK_ACTION_BLOCK:
705 mesh_plink_block(sta);
711 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
712 u8 *mac, struct station_parameters *params)
714 struct ieee80211_local *local = wiphy_priv(wiphy);
715 struct sta_info *sta;
716 struct ieee80211_sub_if_data *sdata;
721 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
723 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
724 sdata->vif.type != NL80211_IFTYPE_AP)
727 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
729 if (compare_ether_addr(mac, dev->dev_addr) == 0)
732 if (is_multicast_ether_addr(mac))
735 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
739 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
741 sta_apply_parameters(local, sta, params);
743 rate_control_rate_init(sta);
745 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
746 sdata->vif.type == NL80211_IFTYPE_AP;
750 err = sta_info_insert(sta);
752 /* STA has been freed */
753 if (err == -EEXIST && layer2_update) {
754 /* Need to update layer 2 devices on reassociation */
755 sta = sta_info_get(local, mac);
757 ieee80211_send_layer2_update(sta);
764 ieee80211_send_layer2_update(sta);
771 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
774 struct ieee80211_local *local = wiphy_priv(wiphy);
775 struct ieee80211_sub_if_data *sdata;
776 struct sta_info *sta;
778 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
783 /* XXX: get sta belonging to dev */
784 sta = sta_info_get(local, mac);
790 sta_info_unlink(&sta);
793 sta_info_destroy(sta);
795 sta_info_flush(local, sdata);
800 static int ieee80211_change_station(struct wiphy *wiphy,
801 struct net_device *dev,
803 struct station_parameters *params)
805 struct ieee80211_local *local = wiphy_priv(wiphy);
806 struct sta_info *sta;
807 struct ieee80211_sub_if_data *vlansdata;
811 /* XXX: get sta belonging to dev */
812 sta = sta_info_get(local, mac);
818 if (params->vlan && params->vlan != sta->sdata->dev) {
819 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
821 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
822 vlansdata->vif.type != NL80211_IFTYPE_AP) {
827 sta->sdata = vlansdata;
828 ieee80211_send_layer2_update(sta);
831 sta_apply_parameters(local, sta, params);
838 #ifdef CONFIG_MAC80211_MESH
839 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
840 u8 *dst, u8 *next_hop)
842 struct ieee80211_local *local = wiphy_priv(wiphy);
843 struct ieee80211_sub_if_data *sdata;
844 struct mesh_path *mpath;
845 struct sta_info *sta;
848 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
851 sta = sta_info_get(local, next_hop);
857 err = mesh_path_add(dst, sdata);
863 mpath = mesh_path_lookup(dst, sdata);
868 mesh_path_fix_nexthop(mpath, sta);
874 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
877 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
880 return mesh_path_del(dst, sdata);
882 mesh_path_flush(sdata);
886 static int ieee80211_change_mpath(struct wiphy *wiphy,
887 struct net_device *dev,
888 u8 *dst, u8 *next_hop)
890 struct ieee80211_local *local = wiphy_priv(wiphy);
891 struct ieee80211_sub_if_data *sdata;
892 struct mesh_path *mpath;
893 struct sta_info *sta;
895 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
899 sta = sta_info_get(local, next_hop);
905 mpath = mesh_path_lookup(dst, sdata);
911 mesh_path_fix_nexthop(mpath, sta);
917 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
918 struct mpath_info *pinfo)
921 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
923 memset(next_hop, 0, ETH_ALEN);
925 pinfo->filled = MPATH_INFO_FRAME_QLEN |
929 MPATH_INFO_DISCOVERY_TIMEOUT |
930 MPATH_INFO_DISCOVERY_RETRIES |
933 pinfo->frame_qlen = mpath->frame_queue.qlen;
934 pinfo->dsn = mpath->dsn;
935 pinfo->metric = mpath->metric;
936 if (time_before(jiffies, mpath->exp_time))
937 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
938 pinfo->discovery_timeout =
939 jiffies_to_msecs(mpath->discovery_timeout);
940 pinfo->discovery_retries = mpath->discovery_retries;
942 if (mpath->flags & MESH_PATH_ACTIVE)
943 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
944 if (mpath->flags & MESH_PATH_RESOLVING)
945 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
946 if (mpath->flags & MESH_PATH_DSN_VALID)
947 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
948 if (mpath->flags & MESH_PATH_FIXED)
949 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
950 if (mpath->flags & MESH_PATH_RESOLVING)
951 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
953 pinfo->flags = mpath->flags;
956 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
957 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
960 struct ieee80211_sub_if_data *sdata;
961 struct mesh_path *mpath;
963 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
966 mpath = mesh_path_lookup(dst, sdata);
971 memcpy(dst, mpath->dst, ETH_ALEN);
972 mpath_set_pinfo(mpath, next_hop, pinfo);
977 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
978 int idx, u8 *dst, u8 *next_hop,
979 struct mpath_info *pinfo)
981 struct ieee80211_sub_if_data *sdata;
982 struct mesh_path *mpath;
984 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
987 mpath = mesh_path_lookup_by_idx(idx, sdata);
992 memcpy(dst, mpath->dst, ETH_ALEN);
993 mpath_set_pinfo(mpath, next_hop, pinfo);
998 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
999 struct net_device *dev,
1000 struct mesh_config *conf)
1002 struct ieee80211_sub_if_data *sdata;
1003 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1005 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1009 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1011 return (mask >> (parm-1)) & 0x1;
1014 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1015 struct net_device *dev,
1016 const struct mesh_config *nconf, u32 mask)
1018 struct mesh_config *conf;
1019 struct ieee80211_sub_if_data *sdata;
1020 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1022 /* Set the config options which we are interested in setting */
1023 conf = &(sdata->u.mesh.mshcfg);
1024 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1025 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1026 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1027 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1028 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1029 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1030 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1031 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1033 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1035 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1037 conf->auto_open_plinks = nconf->auto_open_plinks;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1039 conf->dot11MeshHWMPmaxPREQretries =
1040 nconf->dot11MeshHWMPmaxPREQretries;
1041 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1042 conf->path_refresh_time = nconf->path_refresh_time;
1043 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1044 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1045 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1046 conf->dot11MeshHWMPactivePathTimeout =
1047 nconf->dot11MeshHWMPactivePathTimeout;
1048 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1049 conf->dot11MeshHWMPpreqMinInterval =
1050 nconf->dot11MeshHWMPpreqMinInterval;
1051 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1053 conf->dot11MeshHWMPnetDiameterTraversalTime =
1054 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1060 static int ieee80211_change_bss(struct wiphy *wiphy,
1061 struct net_device *dev,
1062 struct bss_parameters *params)
1064 struct ieee80211_sub_if_data *sdata;
1067 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1069 if (params->use_cts_prot >= 0) {
1070 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1071 changed |= BSS_CHANGED_ERP_CTS_PROT;
1073 if (params->use_short_preamble >= 0) {
1074 sdata->vif.bss_conf.use_short_preamble =
1075 params->use_short_preamble;
1076 changed |= BSS_CHANGED_ERP_PREAMBLE;
1078 if (params->use_short_slot_time >= 0) {
1079 sdata->vif.bss_conf.use_short_slot =
1080 params->use_short_slot_time;
1081 changed |= BSS_CHANGED_ERP_SLOT;
1084 if (params->basic_rates) {
1087 struct ieee80211_local *local = wiphy_priv(wiphy);
1088 struct ieee80211_supported_band *sband =
1089 wiphy->bands[local->oper_channel->band];
1091 for (i = 0; i < params->basic_rates_len; i++) {
1092 int rate = (params->basic_rates[i] & 0x7f) * 5;
1093 for (j = 0; j < sband->n_bitrates; j++) {
1094 if (sband->bitrates[j].bitrate == rate)
1098 sdata->vif.bss_conf.basic_rates = rates;
1099 changed |= BSS_CHANGED_BASIC_RATES;
1102 ieee80211_bss_info_change_notify(sdata, changed);
1107 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1108 struct ieee80211_txq_params *params)
1110 struct ieee80211_local *local = wiphy_priv(wiphy);
1111 struct ieee80211_tx_queue_params p;
1113 if (!local->ops->conf_tx)
1116 memset(&p, 0, sizeof(p));
1117 p.aifs = params->aifs;
1118 p.cw_max = params->cwmax;
1119 p.cw_min = params->cwmin;
1120 p.txop = params->txop;
1121 if (drv_conf_tx(local, params->queue, &p)) {
1122 printk(KERN_DEBUG "%s: failed to set TX queue "
1123 "parameters for queue %d\n", local->mdev->name,
1131 static int ieee80211_set_channel(struct wiphy *wiphy,
1132 struct ieee80211_channel *chan,
1133 enum nl80211_channel_type channel_type)
1135 struct ieee80211_local *local = wiphy_priv(wiphy);
1137 local->oper_channel = chan;
1138 local->oper_channel_type = channel_type;
1140 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1144 static int ieee80211_suspend(struct wiphy *wiphy)
1146 return __ieee80211_suspend(wiphy_priv(wiphy));
1149 static int ieee80211_resume(struct wiphy *wiphy)
1151 return __ieee80211_resume(wiphy_priv(wiphy));
1154 #define ieee80211_suspend NULL
1155 #define ieee80211_resume NULL
1158 static int ieee80211_scan(struct wiphy *wiphy,
1159 struct net_device *dev,
1160 struct cfg80211_scan_request *req)
1162 struct ieee80211_sub_if_data *sdata;
1164 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1166 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1167 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1168 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1169 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1172 return ieee80211_request_scan(sdata, req);
1175 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1176 struct cfg80211_auth_request *req)
1178 struct ieee80211_sub_if_data *sdata;
1180 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1182 switch (req->auth_type) {
1183 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1184 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1186 case NL80211_AUTHTYPE_SHARED_KEY:
1187 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1189 case NL80211_AUTHTYPE_FT:
1190 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1192 case NL80211_AUTHTYPE_NETWORK_EAP:
1193 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1199 memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1200 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1201 sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1203 /* TODO: req->chan */
1204 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1207 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1208 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1209 sdata->u.mgd.ssid_len = req->ssid_len;
1210 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1213 kfree(sdata->u.mgd.sme_auth_ie);
1214 sdata->u.mgd.sme_auth_ie = NULL;
1215 sdata->u.mgd.sme_auth_ie_len = 0;
1217 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1218 if (sdata->u.mgd.sme_auth_ie == NULL)
1220 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1221 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1224 sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1225 sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1226 ieee80211_sta_req_auth(sdata);
1230 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1231 struct cfg80211_assoc_request *req)
1233 struct ieee80211_sub_if_data *sdata;
1236 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1238 if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1239 !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1240 return -ENOLINK; /* not authenticated */
1242 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1243 sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1245 /* TODO: req->chan */
1246 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1249 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1250 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1251 sdata->u.mgd.ssid_len = req->ssid_len;
1252 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1254 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1256 ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1261 sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
1262 sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
1264 sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
1265 sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
1268 if (req->control_port)
1269 sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
1271 sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
1273 sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1274 sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1275 ieee80211_sta_req_auth(sdata);
1279 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1280 struct cfg80211_deauth_request *req)
1282 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1284 /* TODO: req->ie, req->peer_addr */
1285 return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1288 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1289 struct cfg80211_disassoc_request *req)
1291 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1293 /* TODO: req->ie, req->peer_addr */
1294 return ieee80211_sta_disassociate(sdata, req->reason_code);
1297 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1298 struct cfg80211_ibss_params *params)
1300 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1302 return ieee80211_ibss_join(sdata, params);
1305 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1307 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1309 return ieee80211_ibss_leave(sdata);
1312 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1314 struct ieee80211_local *local = wiphy_priv(wiphy);
1317 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1318 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1324 if (changed & WIPHY_PARAM_RETRY_SHORT)
1325 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1326 if (changed & WIPHY_PARAM_RETRY_LONG)
1327 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1329 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1330 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1335 struct cfg80211_ops mac80211_config_ops = {
1336 .add_virtual_intf = ieee80211_add_iface,
1337 .del_virtual_intf = ieee80211_del_iface,
1338 .change_virtual_intf = ieee80211_change_iface,
1339 .add_key = ieee80211_add_key,
1340 .del_key = ieee80211_del_key,
1341 .get_key = ieee80211_get_key,
1342 .set_default_key = ieee80211_config_default_key,
1343 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1344 .add_beacon = ieee80211_add_beacon,
1345 .set_beacon = ieee80211_set_beacon,
1346 .del_beacon = ieee80211_del_beacon,
1347 .add_station = ieee80211_add_station,
1348 .del_station = ieee80211_del_station,
1349 .change_station = ieee80211_change_station,
1350 .get_station = ieee80211_get_station,
1351 .dump_station = ieee80211_dump_station,
1352 #ifdef CONFIG_MAC80211_MESH
1353 .add_mpath = ieee80211_add_mpath,
1354 .del_mpath = ieee80211_del_mpath,
1355 .change_mpath = ieee80211_change_mpath,
1356 .get_mpath = ieee80211_get_mpath,
1357 .dump_mpath = ieee80211_dump_mpath,
1358 .set_mesh_params = ieee80211_set_mesh_params,
1359 .get_mesh_params = ieee80211_get_mesh_params,
1361 .change_bss = ieee80211_change_bss,
1362 .set_txq_params = ieee80211_set_txq_params,
1363 .set_channel = ieee80211_set_channel,
1364 .suspend = ieee80211_suspend,
1365 .resume = ieee80211_resume,
1366 .scan = ieee80211_scan,
1367 .auth = ieee80211_auth,
1368 .assoc = ieee80211_assoc,
1369 .deauth = ieee80211_deauth,
1370 .disassoc = ieee80211_disassoc,
1371 .join_ibss = ieee80211_join_ibss,
1372 .leave_ibss = ieee80211_leave_ibss,
1373 .set_wiphy_params = ieee80211_set_wiphy_params,