2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <net/net_namespace.h>
13 #include <linux/rcupdate.h>
14 #include <net/cfg80211.h>
15 #include "ieee80211_i.h"
16 #include "driver-ops.h"
21 static bool nl80211_type_check(enum nl80211_iftype type
)
24 case NL80211_IFTYPE_ADHOC
:
25 case NL80211_IFTYPE_STATION
:
26 case NL80211_IFTYPE_MONITOR
:
27 #ifdef CONFIG_MAC80211_MESH
28 case NL80211_IFTYPE_MESH_POINT
:
30 case NL80211_IFTYPE_AP
:
31 case NL80211_IFTYPE_AP_VLAN
:
32 case NL80211_IFTYPE_WDS
:
39 static bool nl80211_params_check(enum nl80211_iftype type
,
40 struct vif_params
*params
)
42 if (!nl80211_type_check(type
))
48 static int ieee80211_add_iface(struct wiphy
*wiphy
, char *name
,
49 enum nl80211_iftype type
, u32
*flags
,
50 struct vif_params
*params
)
52 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
53 struct net_device
*dev
;
54 struct ieee80211_sub_if_data
*sdata
;
57 if (!nl80211_params_check(type
, params
))
60 err
= ieee80211_if_add(local
, name
, &dev
, type
, params
);
61 if (err
|| type
!= NL80211_IFTYPE_MONITOR
|| !flags
)
64 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
65 sdata
->u
.mntr_flags
= *flags
;
69 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct net_device
*dev
)
71 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev
));
76 static int ieee80211_change_iface(struct wiphy
*wiphy
,
77 struct net_device
*dev
,
78 enum nl80211_iftype type
, u32
*flags
,
79 struct vif_params
*params
)
81 struct ieee80211_sub_if_data
*sdata
;
84 if (netif_running(dev
))
87 if (!nl80211_params_check(type
, params
))
90 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
92 ret
= ieee80211_if_change_type(sdata
, type
);
96 if (ieee80211_vif_is_mesh(&sdata
->vif
) && params
->mesh_id_len
)
97 ieee80211_sdata_set_mesh_id(sdata
,
101 if (sdata
->vif
.type
!= NL80211_IFTYPE_MONITOR
|| !flags
)
104 if (type
== NL80211_IFTYPE_AP_VLAN
&&
105 params
&& params
->use_4addr
== 0)
106 rcu_assign_pointer(sdata
->u
.vlan
.sta
, NULL
);
107 else if (type
== NL80211_IFTYPE_STATION
&&
108 params
&& params
->use_4addr
>= 0)
109 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
111 sdata
->u
.mntr_flags
= *flags
;
115 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
116 u8 key_idx
, const u8
*mac_addr
,
117 struct key_params
*params
)
119 struct ieee80211_sub_if_data
*sdata
;
120 struct sta_info
*sta
= NULL
;
121 enum ieee80211_key_alg alg
;
122 struct ieee80211_key
*key
;
125 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
127 switch (params
->cipher
) {
128 case WLAN_CIPHER_SUITE_WEP40
:
129 case WLAN_CIPHER_SUITE_WEP104
:
132 case WLAN_CIPHER_SUITE_TKIP
:
135 case WLAN_CIPHER_SUITE_CCMP
:
138 case WLAN_CIPHER_SUITE_AES_CMAC
:
145 key
= ieee80211_key_alloc(alg
, key_idx
, params
->key_len
, params
->key
,
146 params
->seq_len
, params
->seq
);
153 sta
= sta_info_get(sdata
, mac_addr
);
155 ieee80211_key_free(key
);
161 ieee80211_key_link(key
, sdata
, sta
);
170 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
171 u8 key_idx
, const u8
*mac_addr
)
173 struct ieee80211_sub_if_data
*sdata
;
174 struct sta_info
*sta
;
177 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
184 sta
= sta_info_get(sdata
, mac_addr
);
189 ieee80211_key_free(sta
->key
);
197 if (!sdata
->keys
[key_idx
]) {
202 ieee80211_key_free(sdata
->keys
[key_idx
]);
203 WARN_ON(sdata
->keys
[key_idx
]);
212 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
213 u8 key_idx
, const u8
*mac_addr
, void *cookie
,
214 void (*callback
)(void *cookie
,
215 struct key_params
*params
))
217 struct ieee80211_sub_if_data
*sdata
;
218 struct sta_info
*sta
= NULL
;
220 struct key_params params
;
221 struct ieee80211_key
*key
;
226 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
231 sta
= sta_info_get(sdata
, mac_addr
);
237 key
= sdata
->keys
[key_idx
];
242 memset(¶ms
, 0, sizeof(params
));
244 switch (key
->conf
.alg
) {
246 params
.cipher
= WLAN_CIPHER_SUITE_TKIP
;
248 iv32
= key
->u
.tkip
.tx
.iv32
;
249 iv16
= key
->u
.tkip
.tx
.iv16
;
251 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
252 drv_get_tkip_seq(sdata
->local
,
253 key
->conf
.hw_key_idx
,
256 seq
[0] = iv16
& 0xff;
257 seq
[1] = (iv16
>> 8) & 0xff;
258 seq
[2] = iv32
& 0xff;
259 seq
[3] = (iv32
>> 8) & 0xff;
260 seq
[4] = (iv32
>> 16) & 0xff;
261 seq
[5] = (iv32
>> 24) & 0xff;
266 params
.cipher
= WLAN_CIPHER_SUITE_CCMP
;
267 seq
[0] = key
->u
.ccmp
.tx_pn
[5];
268 seq
[1] = key
->u
.ccmp
.tx_pn
[4];
269 seq
[2] = key
->u
.ccmp
.tx_pn
[3];
270 seq
[3] = key
->u
.ccmp
.tx_pn
[2];
271 seq
[4] = key
->u
.ccmp
.tx_pn
[1];
272 seq
[5] = key
->u
.ccmp
.tx_pn
[0];
277 if (key
->conf
.keylen
== 5)
278 params
.cipher
= WLAN_CIPHER_SUITE_WEP40
;
280 params
.cipher
= WLAN_CIPHER_SUITE_WEP104
;
283 params
.cipher
= WLAN_CIPHER_SUITE_AES_CMAC
;
284 seq
[0] = key
->u
.aes_cmac
.tx_pn
[5];
285 seq
[1] = key
->u
.aes_cmac
.tx_pn
[4];
286 seq
[2] = key
->u
.aes_cmac
.tx_pn
[3];
287 seq
[3] = key
->u
.aes_cmac
.tx_pn
[2];
288 seq
[4] = key
->u
.aes_cmac
.tx_pn
[1];
289 seq
[5] = key
->u
.aes_cmac
.tx_pn
[0];
295 params
.key
= key
->conf
.key
;
296 params
.key_len
= key
->conf
.keylen
;
298 callback(cookie
, ¶ms
);
306 static int ieee80211_config_default_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_key(sdata
, key_idx
);
322 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
323 struct net_device
*dev
,
326 struct ieee80211_sub_if_data
*sdata
;
330 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
331 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
338 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
340 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
342 sinfo
->generation
= sdata
->local
->sta_generation
;
344 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
345 STATION_INFO_RX_BYTES
|
346 STATION_INFO_TX_BYTES
|
347 STATION_INFO_RX_PACKETS
|
348 STATION_INFO_TX_PACKETS
|
349 STATION_INFO_TX_BITRATE
;
351 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
352 sinfo
->rx_bytes
= sta
->rx_bytes
;
353 sinfo
->tx_bytes
= sta
->tx_bytes
;
354 sinfo
->rx_packets
= sta
->rx_packets
;
355 sinfo
->tx_packets
= sta
->tx_packets
;
357 if (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) {
358 sinfo
->filled
|= STATION_INFO_SIGNAL
;
359 sinfo
->signal
= (s8
)sta
->last_signal
;
362 sinfo
->txrate
.flags
= 0;
363 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_MCS
)
364 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
365 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
366 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
367 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_SHORT_GI
)
368 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
370 if (!(sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_MCS
)) {
371 struct ieee80211_supported_band
*sband
;
372 sband
= sta
->local
->hw
.wiphy
->bands
[
373 sta
->local
->hw
.conf
.channel
->band
];
374 sinfo
->txrate
.legacy
=
375 sband
->bitrates
[sta
->last_tx_rate
.idx
].bitrate
;
377 sinfo
->txrate
.mcs
= sta
->last_tx_rate
.idx
;
379 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
380 #ifdef CONFIG_MAC80211_MESH
381 sinfo
->filled
|= STATION_INFO_LLID
|
383 STATION_INFO_PLINK_STATE
;
385 sinfo
->llid
= le16_to_cpu(sta
->llid
);
386 sinfo
->plid
= le16_to_cpu(sta
->plid
);
387 sinfo
->plink_state
= sta
->plink_state
;
393 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
394 int idx
, u8
*mac
, struct station_info
*sinfo
)
396 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
397 struct sta_info
*sta
;
402 sta
= sta_info_get_by_idx(sdata
, idx
);
405 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
406 sta_set_sinfo(sta
, sinfo
);
414 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
415 u8
*mac
, struct station_info
*sinfo
)
417 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
418 struct sta_info
*sta
;
423 sta
= sta_info_get(sdata
, mac
);
426 sta_set_sinfo(sta
, sinfo
);
435 * This handles both adding a beacon and setting new beacon info
437 static int ieee80211_config_beacon(struct ieee80211_sub_if_data
*sdata
,
438 struct beacon_parameters
*params
)
440 struct beacon_data
*new, *old
;
441 int new_head_len
, new_tail_len
;
445 old
= sdata
->u
.ap
.beacon
;
447 /* head must not be zero-length */
448 if (params
->head
&& !params
->head_len
)
452 * This is a kludge. beacon interval should really be part
453 * of the beacon information.
455 if (params
->interval
&&
456 (sdata
->vif
.bss_conf
.beacon_int
!= params
->interval
)) {
457 sdata
->vif
.bss_conf
.beacon_int
= params
->interval
;
458 ieee80211_bss_info_change_notify(sdata
,
459 BSS_CHANGED_BEACON_INT
);
462 /* Need to have a beacon head if we don't have one yet */
463 if (!params
->head
&& !old
)
466 /* sorry, no way to start beaconing without dtim period */
467 if (!params
->dtim_period
&& !old
)
470 /* new or old head? */
472 new_head_len
= params
->head_len
;
474 new_head_len
= old
->head_len
;
476 /* new or old tail? */
477 if (params
->tail
|| !old
)
478 /* params->tail_len will be zero for !params->tail */
479 new_tail_len
= params
->tail_len
;
481 new_tail_len
= old
->tail_len
;
483 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
485 new = kzalloc(size
, GFP_KERNEL
);
489 /* start filling the new info now */
491 /* new or old dtim period? */
492 if (params
->dtim_period
)
493 new->dtim_period
= params
->dtim_period
;
495 new->dtim_period
= old
->dtim_period
;
498 * pointers go into the block we allocated,
499 * memory is | beacon_data | head | tail |
501 new->head
= ((u8
*) new) + sizeof(*new);
502 new->tail
= new->head
+ new_head_len
;
503 new->head_len
= new_head_len
;
504 new->tail_len
= new_tail_len
;
508 memcpy(new->head
, params
->head
, new_head_len
);
510 memcpy(new->head
, old
->head
, new_head_len
);
512 /* copy in optional tail */
514 memcpy(new->tail
, params
->tail
, new_tail_len
);
517 memcpy(new->tail
, old
->tail
, new_tail_len
);
519 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
525 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
|
530 static int ieee80211_add_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
531 struct beacon_parameters
*params
)
533 struct ieee80211_sub_if_data
*sdata
;
534 struct beacon_data
*old
;
536 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
538 old
= sdata
->u
.ap
.beacon
;
543 return ieee80211_config_beacon(sdata
, params
);
546 static int ieee80211_set_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
547 struct beacon_parameters
*params
)
549 struct ieee80211_sub_if_data
*sdata
;
550 struct beacon_data
*old
;
552 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
554 old
= sdata
->u
.ap
.beacon
;
559 return ieee80211_config_beacon(sdata
, params
);
562 static int ieee80211_del_beacon(struct wiphy
*wiphy
, struct net_device
*dev
)
564 struct ieee80211_sub_if_data
*sdata
;
565 struct beacon_data
*old
;
567 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
569 old
= sdata
->u
.ap
.beacon
;
574 rcu_assign_pointer(sdata
->u
.ap
.beacon
, NULL
);
578 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
582 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
583 struct iapp_layer2_update
{
584 u8 da
[ETH_ALEN
]; /* broadcast */
585 u8 sa
[ETH_ALEN
]; /* STA addr */
591 } __attribute__ ((packed
));
593 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
595 struct iapp_layer2_update
*msg
;
598 /* Send Level 2 Update Frame to update forwarding tables in layer 2
601 skb
= dev_alloc_skb(sizeof(*msg
));
604 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
606 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
607 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
609 memset(msg
->da
, 0xff, ETH_ALEN
);
610 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
613 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
614 msg
->control
= 0xaf; /* XID response lsb.1111F101.
615 * F=0 (no poll command; unsolicited frame) */
616 msg
->xid_info
[0] = 0x81; /* XID format identifier */
617 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
618 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
620 skb
->dev
= sta
->sdata
->dev
;
621 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
622 memset(skb
->cb
, 0, sizeof(skb
->cb
));
626 static void sta_apply_parameters(struct ieee80211_local
*local
,
627 struct sta_info
*sta
,
628 struct station_parameters
*params
)
632 struct ieee80211_supported_band
*sband
;
633 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
636 sband
= local
->hw
.wiphy
->bands
[local
->oper_channel
->band
];
638 spin_lock_bh(&sta
->lock
);
639 mask
= params
->sta_flags_mask
;
640 set
= params
->sta_flags_set
;
642 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
643 sta
->flags
&= ~WLAN_STA_AUTHORIZED
;
644 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
645 sta
->flags
|= WLAN_STA_AUTHORIZED
;
648 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
649 sta
->flags
&= ~WLAN_STA_SHORT_PREAMBLE
;
650 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
651 sta
->flags
|= WLAN_STA_SHORT_PREAMBLE
;
654 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
655 sta
->flags
&= ~WLAN_STA_WME
;
656 if (set
& BIT(NL80211_STA_FLAG_WME
))
657 sta
->flags
|= WLAN_STA_WME
;
660 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
661 sta
->flags
&= ~WLAN_STA_MFP
;
662 if (set
& BIT(NL80211_STA_FLAG_MFP
))
663 sta
->flags
|= WLAN_STA_MFP
;
665 spin_unlock_bh(&sta
->lock
);
668 * cfg80211 validates this (1-2007) and allows setting the AID
669 * only when creating a new station entry
672 sta
->sta
.aid
= params
->aid
;
675 * FIXME: updating the following information is racy when this
676 * function is called from ieee80211_change_station().
677 * However, all this information should be static so
678 * maybe we should just reject attemps to change it.
681 if (params
->listen_interval
>= 0)
682 sta
->listen_interval
= params
->listen_interval
;
684 if (params
->supported_rates
) {
687 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
688 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
689 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
690 if (sband
->bitrates
[j
].bitrate
== rate
)
694 sta
->sta
.supp_rates
[local
->oper_channel
->band
] = rates
;
698 ieee80211_ht_cap_ie_to_sta_ht_cap(sband
,
702 if (ieee80211_vif_is_mesh(&sdata
->vif
) && params
->plink_action
) {
703 switch (params
->plink_action
) {
704 case PLINK_ACTION_OPEN
:
705 mesh_plink_open(sta
);
707 case PLINK_ACTION_BLOCK
:
708 mesh_plink_block(sta
);
714 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
715 u8
*mac
, struct station_parameters
*params
)
717 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
718 struct sta_info
*sta
;
719 struct ieee80211_sub_if_data
*sdata
;
724 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
726 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
727 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
730 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
732 if (compare_ether_addr(mac
, sdata
->vif
.addr
) == 0)
735 if (is_multicast_ether_addr(mac
))
738 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
742 sta
->flags
= WLAN_STA_AUTH
| WLAN_STA_ASSOC
;
744 sta_apply_parameters(local
, sta
, params
);
746 rate_control_rate_init(sta
);
748 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
749 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
753 err
= sta_info_insert(sta
);
760 ieee80211_send_layer2_update(sta
);
767 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
770 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
771 struct ieee80211_sub_if_data
*sdata
;
772 struct sta_info
*sta
;
774 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
779 sta
= sta_info_get(sdata
, mac
);
785 sta_info_unlink(&sta
);
788 sta_info_destroy(sta
);
790 sta_info_flush(local
, sdata
);
795 static int ieee80211_change_station(struct wiphy
*wiphy
,
796 struct net_device
*dev
,
798 struct station_parameters
*params
)
800 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
801 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
802 struct sta_info
*sta
;
803 struct ieee80211_sub_if_data
*vlansdata
;
807 sta
= sta_info_get(sdata
, mac
);
813 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
814 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
816 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
817 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
822 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
823 if (vlansdata
->u
.vlan
.sta
) {
828 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
831 sta
->sdata
= vlansdata
;
832 ieee80211_send_layer2_update(sta
);
835 sta_apply_parameters(local
, sta
, params
);
842 #ifdef CONFIG_MAC80211_MESH
843 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
844 u8
*dst
, u8
*next_hop
)
846 struct ieee80211_sub_if_data
*sdata
;
847 struct mesh_path
*mpath
;
848 struct sta_info
*sta
;
851 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
854 sta
= sta_info_get(sdata
, next_hop
);
860 err
= mesh_path_add(dst
, sdata
);
866 mpath
= mesh_path_lookup(dst
, sdata
);
871 mesh_path_fix_nexthop(mpath
, sta
);
877 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
880 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
883 return mesh_path_del(dst
, sdata
);
885 mesh_path_flush(sdata
);
889 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
890 struct net_device
*dev
,
891 u8
*dst
, u8
*next_hop
)
893 struct ieee80211_sub_if_data
*sdata
;
894 struct mesh_path
*mpath
;
895 struct sta_info
*sta
;
897 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
901 sta
= sta_info_get(sdata
, next_hop
);
907 mpath
= mesh_path_lookup(dst
, sdata
);
913 mesh_path_fix_nexthop(mpath
, sta
);
919 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
920 struct mpath_info
*pinfo
)
923 memcpy(next_hop
, mpath
->next_hop
->sta
.addr
, ETH_ALEN
);
925 memset(next_hop
, 0, ETH_ALEN
);
927 pinfo
->generation
= mesh_paths_generation
;
929 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
933 MPATH_INFO_DISCOVERY_TIMEOUT
|
934 MPATH_INFO_DISCOVERY_RETRIES
|
937 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
938 pinfo
->sn
= mpath
->sn
;
939 pinfo
->metric
= mpath
->metric
;
940 if (time_before(jiffies
, mpath
->exp_time
))
941 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
942 pinfo
->discovery_timeout
=
943 jiffies_to_msecs(mpath
->discovery_timeout
);
944 pinfo
->discovery_retries
= mpath
->discovery_retries
;
946 if (mpath
->flags
& MESH_PATH_ACTIVE
)
947 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
948 if (mpath
->flags
& MESH_PATH_RESOLVING
)
949 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
950 if (mpath
->flags
& MESH_PATH_SN_VALID
)
951 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
952 if (mpath
->flags
& MESH_PATH_FIXED
)
953 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
954 if (mpath
->flags
& MESH_PATH_RESOLVING
)
955 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
957 pinfo
->flags
= mpath
->flags
;
960 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
961 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
964 struct ieee80211_sub_if_data
*sdata
;
965 struct mesh_path
*mpath
;
967 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
970 mpath
= mesh_path_lookup(dst
, sdata
);
975 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
976 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
981 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
982 int idx
, u8
*dst
, u8
*next_hop
,
983 struct mpath_info
*pinfo
)
985 struct ieee80211_sub_if_data
*sdata
;
986 struct mesh_path
*mpath
;
988 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
991 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
996 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
997 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1002 static int ieee80211_get_mesh_params(struct wiphy
*wiphy
,
1003 struct net_device
*dev
,
1004 struct mesh_config
*conf
)
1006 struct ieee80211_sub_if_data
*sdata
;
1007 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1009 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1013 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1015 return (mask
>> (parm
-1)) & 0x1;
1018 static int ieee80211_set_mesh_params(struct wiphy
*wiphy
,
1019 struct net_device
*dev
,
1020 const struct mesh_config
*nconf
, u32 mask
)
1022 struct mesh_config
*conf
;
1023 struct ieee80211_sub_if_data
*sdata
;
1024 struct ieee80211_if_mesh
*ifmsh
;
1026 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1027 ifmsh
= &sdata
->u
.mesh
;
1029 /* Set the config options which we are interested in setting */
1030 conf
= &(sdata
->u
.mesh
.mshcfg
);
1031 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1032 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1033 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1034 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1036 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1037 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1038 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1039 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1040 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1041 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1042 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1043 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1044 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1045 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1046 conf
->dot11MeshHWMPmaxPREQretries
=
1047 nconf
->dot11MeshHWMPmaxPREQretries
;
1048 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1049 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1050 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1051 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1052 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1053 conf
->dot11MeshHWMPactivePathTimeout
=
1054 nconf
->dot11MeshHWMPactivePathTimeout
;
1055 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1056 conf
->dot11MeshHWMPpreqMinInterval
=
1057 nconf
->dot11MeshHWMPpreqMinInterval
;
1058 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1060 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1061 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1062 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1063 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1064 ieee80211_mesh_root_setup(ifmsh
);
1071 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1072 struct net_device
*dev
,
1073 struct bss_parameters
*params
)
1075 struct ieee80211_sub_if_data
*sdata
;
1078 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1080 if (params
->use_cts_prot
>= 0) {
1081 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1082 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1084 if (params
->use_short_preamble
>= 0) {
1085 sdata
->vif
.bss_conf
.use_short_preamble
=
1086 params
->use_short_preamble
;
1087 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1089 if (params
->use_short_slot_time
>= 0) {
1090 sdata
->vif
.bss_conf
.use_short_slot
=
1091 params
->use_short_slot_time
;
1092 changed
|= BSS_CHANGED_ERP_SLOT
;
1095 if (params
->basic_rates
) {
1098 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1099 struct ieee80211_supported_band
*sband
=
1100 wiphy
->bands
[local
->oper_channel
->band
];
1102 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1103 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1104 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1105 if (sband
->bitrates
[j
].bitrate
== rate
)
1109 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1110 changed
|= BSS_CHANGED_BASIC_RATES
;
1113 ieee80211_bss_info_change_notify(sdata
, changed
);
1118 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1119 struct ieee80211_txq_params
*params
)
1121 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1122 struct ieee80211_tx_queue_params p
;
1124 if (!local
->ops
->conf_tx
)
1127 memset(&p
, 0, sizeof(p
));
1128 p
.aifs
= params
->aifs
;
1129 p
.cw_max
= params
->cwmax
;
1130 p
.cw_min
= params
->cwmin
;
1131 p
.txop
= params
->txop
;
1132 if (drv_conf_tx(local
, params
->queue
, &p
)) {
1133 printk(KERN_DEBUG
"%s: failed to set TX queue "
1134 "parameters for queue %d\n",
1135 wiphy_name(local
->hw
.wiphy
), params
->queue
);
1142 static int ieee80211_set_channel(struct wiphy
*wiphy
,
1143 struct ieee80211_channel
*chan
,
1144 enum nl80211_channel_type channel_type
)
1146 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1148 local
->oper_channel
= chan
;
1149 local
->oper_channel_type
= channel_type
;
1151 return ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_CHANNEL
);
1155 static int ieee80211_suspend(struct wiphy
*wiphy
)
1157 return __ieee80211_suspend(wiphy_priv(wiphy
));
1160 static int ieee80211_resume(struct wiphy
*wiphy
)
1162 return __ieee80211_resume(wiphy_priv(wiphy
));
1165 #define ieee80211_suspend NULL
1166 #define ieee80211_resume NULL
1169 static int ieee80211_scan(struct wiphy
*wiphy
,
1170 struct net_device
*dev
,
1171 struct cfg80211_scan_request
*req
)
1173 struct ieee80211_sub_if_data
*sdata
;
1175 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1177 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
&&
1178 sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
1179 sdata
->vif
.type
!= NL80211_IFTYPE_MESH_POINT
&&
1180 (sdata
->vif
.type
!= NL80211_IFTYPE_AP
|| sdata
->u
.ap
.beacon
))
1183 return ieee80211_request_scan(sdata
, req
);
1186 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1187 struct cfg80211_auth_request
*req
)
1189 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1192 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1193 struct cfg80211_assoc_request
*req
)
1195 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1198 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1199 struct cfg80211_deauth_request
*req
,
1202 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
),
1206 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1207 struct cfg80211_disassoc_request
*req
,
1210 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
),
1214 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1215 struct cfg80211_ibss_params
*params
)
1217 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1219 return ieee80211_ibss_join(sdata
, params
);
1222 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1224 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1226 return ieee80211_ibss_leave(sdata
);
1229 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1231 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1234 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1235 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1241 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1242 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1243 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1244 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1246 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1247 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1252 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1253 enum tx_power_setting type
, int dbm
)
1255 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1256 struct ieee80211_channel
*chan
= local
->hw
.conf
.channel
;
1260 case TX_POWER_AUTOMATIC
:
1261 local
->user_power_level
= -1;
1263 case TX_POWER_LIMITED
:
1266 local
->user_power_level
= dbm
;
1268 case TX_POWER_FIXED
:
1271 /* TODO: move to cfg80211 when it knows the channel */
1272 if (dbm
> chan
->max_power
)
1274 local
->user_power_level
= dbm
;
1278 ieee80211_hw_config(local
, changes
);
1283 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1285 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1287 *dbm
= local
->hw
.conf
.power_level
;
1292 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
1295 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1297 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
1302 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
1304 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1306 drv_rfkill_poll(local
);
1309 #ifdef CONFIG_NL80211_TESTMODE
1310 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
1312 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1314 if (!local
->ops
->testmode_cmd
)
1317 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
1321 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
1322 bool enabled
, int timeout
)
1324 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1325 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1326 struct ieee80211_conf
*conf
= &local
->hw
.conf
;
1328 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
1331 if (enabled
== sdata
->u
.mgd
.powersave
&&
1332 timeout
== conf
->dynamic_ps_timeout
)
1335 sdata
->u
.mgd
.powersave
= enabled
;
1336 conf
->dynamic_ps_timeout
= timeout
;
1338 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
1339 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
1341 ieee80211_recalc_ps(local
, -1);
1346 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
1347 struct net_device
*dev
,
1349 const struct cfg80211_bitrate_mask
*mask
)
1351 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1352 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1353 int i
, err
= -EINVAL
;
1355 struct ieee80211_supported_band
*sband
;
1357 sband
= local
->hw
.wiphy
->bands
[local
->hw
.conf
.channel
->band
];
1359 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1360 * target_rate = X, rate->fixed = 1 means only rate X
1361 * target_rate = X, rate->fixed = 0 means all rates <= X */
1362 sdata
->max_ratectrl_rateidx
= -1;
1363 sdata
->force_unicast_rateidx
= -1;
1366 target_rate
= mask
->fixed
/ 100;
1367 else if (mask
->maxrate
)
1368 target_rate
= mask
->maxrate
/ 100;
1372 for (i
=0; i
< sband
->n_bitrates
; i
++) {
1373 struct ieee80211_rate
*brate
= &sband
->bitrates
[i
];
1374 int this_rate
= brate
->bitrate
;
1376 if (target_rate
== this_rate
) {
1377 sdata
->max_ratectrl_rateidx
= i
;
1379 sdata
->force_unicast_rateidx
= i
;
1388 struct cfg80211_ops mac80211_config_ops
= {
1389 .add_virtual_intf
= ieee80211_add_iface
,
1390 .del_virtual_intf
= ieee80211_del_iface
,
1391 .change_virtual_intf
= ieee80211_change_iface
,
1392 .add_key
= ieee80211_add_key
,
1393 .del_key
= ieee80211_del_key
,
1394 .get_key
= ieee80211_get_key
,
1395 .set_default_key
= ieee80211_config_default_key
,
1396 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
1397 .add_beacon
= ieee80211_add_beacon
,
1398 .set_beacon
= ieee80211_set_beacon
,
1399 .del_beacon
= ieee80211_del_beacon
,
1400 .add_station
= ieee80211_add_station
,
1401 .del_station
= ieee80211_del_station
,
1402 .change_station
= ieee80211_change_station
,
1403 .get_station
= ieee80211_get_station
,
1404 .dump_station
= ieee80211_dump_station
,
1405 #ifdef CONFIG_MAC80211_MESH
1406 .add_mpath
= ieee80211_add_mpath
,
1407 .del_mpath
= ieee80211_del_mpath
,
1408 .change_mpath
= ieee80211_change_mpath
,
1409 .get_mpath
= ieee80211_get_mpath
,
1410 .dump_mpath
= ieee80211_dump_mpath
,
1411 .set_mesh_params
= ieee80211_set_mesh_params
,
1412 .get_mesh_params
= ieee80211_get_mesh_params
,
1414 .change_bss
= ieee80211_change_bss
,
1415 .set_txq_params
= ieee80211_set_txq_params
,
1416 .set_channel
= ieee80211_set_channel
,
1417 .suspend
= ieee80211_suspend
,
1418 .resume
= ieee80211_resume
,
1419 .scan
= ieee80211_scan
,
1420 .auth
= ieee80211_auth
,
1421 .assoc
= ieee80211_assoc
,
1422 .deauth
= ieee80211_deauth
,
1423 .disassoc
= ieee80211_disassoc
,
1424 .join_ibss
= ieee80211_join_ibss
,
1425 .leave_ibss
= ieee80211_leave_ibss
,
1426 .set_wiphy_params
= ieee80211_set_wiphy_params
,
1427 .set_tx_power
= ieee80211_set_tx_power
,
1428 .get_tx_power
= ieee80211_get_tx_power
,
1429 .set_wds_peer
= ieee80211_set_wds_peer
,
1430 .rfkill_poll
= ieee80211_rfkill_poll
,
1431 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
1432 .set_power_mgmt
= ieee80211_set_power_mgmt
,
1433 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,