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
,