2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 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 <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <net/cfg80211.h>
16 #include "ieee80211_i.h"
17 #include "driver-ops.h"
22 static struct net_device
*ieee80211_add_iface(struct wiphy
*wiphy
, char *name
,
23 enum nl80211_iftype type
,
25 struct vif_params
*params
)
27 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
28 struct net_device
*dev
;
29 struct ieee80211_sub_if_data
*sdata
;
32 err
= ieee80211_if_add(local
, name
, &dev
, type
, params
);
36 if (type
== NL80211_IFTYPE_MONITOR
&& flags
) {
37 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
38 sdata
->u
.mntr_flags
= *flags
;
44 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct net_device
*dev
)
46 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev
));
51 static int ieee80211_change_iface(struct wiphy
*wiphy
,
52 struct net_device
*dev
,
53 enum nl80211_iftype type
, u32
*flags
,
54 struct vif_params
*params
)
56 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
59 ret
= ieee80211_if_change_type(sdata
, type
);
63 if (type
== NL80211_IFTYPE_AP_VLAN
&&
64 params
&& params
->use_4addr
== 0)
65 rcu_assign_pointer(sdata
->u
.vlan
.sta
, NULL
);
66 else if (type
== NL80211_IFTYPE_STATION
&&
67 params
&& params
->use_4addr
>= 0)
68 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
70 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
&& flags
) {
71 struct ieee80211_local
*local
= sdata
->local
;
73 if (ieee80211_sdata_running(sdata
)) {
75 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
76 * changed while the interface is up.
77 * Else we would need to add a lot of cruft
78 * to update everything:
79 * cooked_mntrs, monitor and all fif_* counters
80 * reconfigure hardware
82 if ((*flags
& MONITOR_FLAG_COOK_FRAMES
) !=
83 (sdata
->u
.mntr_flags
& MONITOR_FLAG_COOK_FRAMES
))
86 ieee80211_adjust_monitor_flags(sdata
, -1);
87 sdata
->u
.mntr_flags
= *flags
;
88 ieee80211_adjust_monitor_flags(sdata
, 1);
90 ieee80211_configure_filter(local
);
93 * Because the interface is down, ieee80211_do_stop
94 * and ieee80211_do_open take care of "everything"
95 * mentioned in the comment above.
97 sdata
->u
.mntr_flags
= *flags
;
104 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
105 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
106 struct key_params
*params
)
108 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
109 struct sta_info
*sta
= NULL
;
110 struct ieee80211_key
*key
;
113 if (!ieee80211_sdata_running(sdata
))
116 /* reject WEP and TKIP keys if WEP failed to initialize */
117 switch (params
->cipher
) {
118 case WLAN_CIPHER_SUITE_WEP40
:
119 case WLAN_CIPHER_SUITE_TKIP
:
120 case WLAN_CIPHER_SUITE_WEP104
:
121 if (IS_ERR(sdata
->local
->wep_tx_tfm
))
128 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
129 params
->key
, params
->seq_len
, params
->seq
);
134 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
136 mutex_lock(&sdata
->local
->sta_mtx
);
139 sta
= sta_info_get_bss(sdata
, mac_addr
);
141 ieee80211_key_free(sdata
->local
, key
);
147 err
= ieee80211_key_link(key
, sdata
, sta
);
149 ieee80211_key_free(sdata
->local
, key
);
152 mutex_unlock(&sdata
->local
->sta_mtx
);
157 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
158 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
160 struct ieee80211_sub_if_data
*sdata
;
161 struct sta_info
*sta
;
164 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
166 mutex_lock(&sdata
->local
->sta_mtx
);
171 sta
= sta_info_get_bss(sdata
, mac_addr
);
177 ieee80211_key_free(sdata
->local
, sta
->ptk
);
181 if (sta
->gtk
[key_idx
]) {
182 ieee80211_key_free(sdata
->local
,
191 if (!sdata
->keys
[key_idx
]) {
196 ieee80211_key_free(sdata
->local
, sdata
->keys
[key_idx
]);
197 WARN_ON(sdata
->keys
[key_idx
]);
201 mutex_unlock(&sdata
->local
->sta_mtx
);
206 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
207 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
209 void (*callback
)(void *cookie
,
210 struct key_params
*params
))
212 struct ieee80211_sub_if_data
*sdata
;
213 struct sta_info
*sta
= NULL
;
215 struct key_params params
;
216 struct ieee80211_key
*key
= NULL
;
221 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
226 sta
= sta_info_get_bss(sdata
, mac_addr
);
232 else if (key_idx
< NUM_DEFAULT_KEYS
)
233 key
= sta
->gtk
[key_idx
];
235 key
= sdata
->keys
[key_idx
];
240 memset(¶ms
, 0, sizeof(params
));
242 params
.cipher
= key
->conf
.cipher
;
244 switch (key
->conf
.cipher
) {
245 case 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;
263 case WLAN_CIPHER_SUITE_CCMP
:
264 seq
[0] = key
->u
.ccmp
.tx_pn
[5];
265 seq
[1] = key
->u
.ccmp
.tx_pn
[4];
266 seq
[2] = key
->u
.ccmp
.tx_pn
[3];
267 seq
[3] = key
->u
.ccmp
.tx_pn
[2];
268 seq
[4] = key
->u
.ccmp
.tx_pn
[1];
269 seq
[5] = key
->u
.ccmp
.tx_pn
[0];
273 case WLAN_CIPHER_SUITE_AES_CMAC
:
274 seq
[0] = key
->u
.aes_cmac
.tx_pn
[5];
275 seq
[1] = key
->u
.aes_cmac
.tx_pn
[4];
276 seq
[2] = key
->u
.aes_cmac
.tx_pn
[3];
277 seq
[3] = key
->u
.aes_cmac
.tx_pn
[2];
278 seq
[4] = key
->u
.aes_cmac
.tx_pn
[1];
279 seq
[5] = key
->u
.aes_cmac
.tx_pn
[0];
285 params
.key
= key
->conf
.key
;
286 params
.key_len
= key
->conf
.keylen
;
288 callback(cookie
, ¶ms
);
296 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
297 struct net_device
*dev
,
298 u8 key_idx
, bool uni
,
301 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
303 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
308 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
309 struct net_device
*dev
,
312 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
314 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
319 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
321 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
323 sinfo
->generation
= sdata
->local
->sta_generation
;
325 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
326 STATION_INFO_RX_BYTES
|
327 STATION_INFO_TX_BYTES
|
328 STATION_INFO_RX_PACKETS
|
329 STATION_INFO_TX_PACKETS
|
330 STATION_INFO_TX_RETRIES
|
331 STATION_INFO_TX_FAILED
|
332 STATION_INFO_TX_BITRATE
|
333 STATION_INFO_RX_DROP_MISC
;
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
;
340 sinfo
->tx_retries
= sta
->tx_retry_count
;
341 sinfo
->tx_failed
= sta
->tx_retry_failed
;
342 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
344 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
345 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
346 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
347 sinfo
->signal
= (s8
)sta
->last_signal
;
348 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
351 sinfo
->txrate
.flags
= 0;
352 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_MCS
)
353 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
354 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
355 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
356 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_SHORT_GI
)
357 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
359 if (!(sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_MCS
)) {
360 struct ieee80211_supported_band
*sband
;
361 sband
= sta
->local
->hw
.wiphy
->bands
[
362 sta
->local
->hw
.conf
.channel
->band
];
363 sinfo
->txrate
.legacy
=
364 sband
->bitrates
[sta
->last_tx_rate
.idx
].bitrate
;
366 sinfo
->txrate
.mcs
= sta
->last_tx_rate
.idx
;
368 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
369 #ifdef CONFIG_MAC80211_MESH
370 sinfo
->filled
|= STATION_INFO_LLID
|
372 STATION_INFO_PLINK_STATE
;
374 sinfo
->llid
= le16_to_cpu(sta
->llid
);
375 sinfo
->plid
= le16_to_cpu(sta
->plid
);
376 sinfo
->plink_state
= sta
->plink_state
;
382 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
383 int idx
, u8
*mac
, struct station_info
*sinfo
)
385 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
386 struct sta_info
*sta
;
391 sta
= sta_info_get_by_idx(sdata
, idx
);
394 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
395 sta_set_sinfo(sta
, sinfo
);
403 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
404 int idx
, struct survey_info
*survey
)
406 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
408 return drv_get_survey(local
, idx
, survey
);
411 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
412 u8
*mac
, struct station_info
*sinfo
)
414 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
415 struct sta_info
*sta
;
420 sta
= sta_info_get_bss(sdata
, mac
);
423 sta_set_sinfo(sta
, sinfo
);
432 * This handles both adding a beacon and setting new beacon info
434 static int ieee80211_config_beacon(struct ieee80211_sub_if_data
*sdata
,
435 struct beacon_parameters
*params
)
437 struct beacon_data
*new, *old
;
438 int new_head_len
, new_tail_len
;
442 old
= sdata
->u
.ap
.beacon
;
444 /* head must not be zero-length */
445 if (params
->head
&& !params
->head_len
)
449 * This is a kludge. beacon interval should really be part
450 * of the beacon information.
452 if (params
->interval
&&
453 (sdata
->vif
.bss_conf
.beacon_int
!= params
->interval
)) {
454 sdata
->vif
.bss_conf
.beacon_int
= params
->interval
;
455 ieee80211_bss_info_change_notify(sdata
,
456 BSS_CHANGED_BEACON_INT
);
459 /* Need to have a beacon head if we don't have one yet */
460 if (!params
->head
&& !old
)
463 /* sorry, no way to start beaconing without dtim period */
464 if (!params
->dtim_period
&& !old
)
467 /* new or old head? */
469 new_head_len
= params
->head_len
;
471 new_head_len
= old
->head_len
;
473 /* new or old tail? */
474 if (params
->tail
|| !old
)
475 /* params->tail_len will be zero for !params->tail */
476 new_tail_len
= params
->tail_len
;
478 new_tail_len
= old
->tail_len
;
480 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
482 new = kzalloc(size
, GFP_KERNEL
);
486 /* start filling the new info now */
488 /* new or old dtim period? */
489 if (params
->dtim_period
)
490 new->dtim_period
= params
->dtim_period
;
492 new->dtim_period
= old
->dtim_period
;
495 * pointers go into the block we allocated,
496 * memory is | beacon_data | head | tail |
498 new->head
= ((u8
*) new) + sizeof(*new);
499 new->tail
= new->head
+ new_head_len
;
500 new->head_len
= new_head_len
;
501 new->tail_len
= new_tail_len
;
505 memcpy(new->head
, params
->head
, new_head_len
);
507 memcpy(new->head
, old
->head
, new_head_len
);
509 /* copy in optional tail */
511 memcpy(new->tail
, params
->tail
, new_tail_len
);
514 memcpy(new->tail
, old
->tail
, new_tail_len
);
516 sdata
->vif
.bss_conf
.dtim_period
= new->dtim_period
;
518 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
524 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
|
529 static int ieee80211_add_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
530 struct beacon_parameters
*params
)
532 struct ieee80211_sub_if_data
*sdata
;
533 struct beacon_data
*old
;
535 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
537 old
= sdata
->u
.ap
.beacon
;
542 return ieee80211_config_beacon(sdata
, params
);
545 static int ieee80211_set_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
546 struct beacon_parameters
*params
)
548 struct ieee80211_sub_if_data
*sdata
;
549 struct beacon_data
*old
;
551 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
553 old
= sdata
->u
.ap
.beacon
;
558 return ieee80211_config_beacon(sdata
, params
);
561 static int ieee80211_del_beacon(struct wiphy
*wiphy
, struct net_device
*dev
)
563 struct ieee80211_sub_if_data
*sdata
;
564 struct beacon_data
*old
;
566 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
568 old
= sdata
->u
.ap
.beacon
;
573 rcu_assign_pointer(sdata
->u
.ap
.beacon
, NULL
);
577 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
581 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
582 struct iapp_layer2_update
{
583 u8 da
[ETH_ALEN
]; /* broadcast */
584 u8 sa
[ETH_ALEN
]; /* STA addr */
592 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
594 struct iapp_layer2_update
*msg
;
597 /* Send Level 2 Update Frame to update forwarding tables in layer 2
600 skb
= dev_alloc_skb(sizeof(*msg
));
603 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
605 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
606 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
608 memset(msg
->da
, 0xff, ETH_ALEN
);
609 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
612 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
613 msg
->control
= 0xaf; /* XID response lsb.1111F101.
614 * F=0 (no poll command; unsolicited frame) */
615 msg
->xid_info
[0] = 0x81; /* XID format identifier */
616 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
617 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
619 skb
->dev
= sta
->sdata
->dev
;
620 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
621 memset(skb
->cb
, 0, sizeof(skb
->cb
));
625 static void sta_apply_parameters(struct ieee80211_local
*local
,
626 struct sta_info
*sta
,
627 struct station_parameters
*params
)
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_irqsave(&sta
->flaglock
, flags
);
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_irqrestore(&sta
->flaglock
, flags
);
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
;
751 err
= sta_info_insert_rcu(sta
);
758 ieee80211_send_layer2_update(sta
);
765 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
768 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
769 struct ieee80211_sub_if_data
*sdata
;
771 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
774 return sta_info_destroy_addr_bss(sdata
, mac
);
776 sta_info_flush(local
, sdata
);
780 static int ieee80211_change_station(struct wiphy
*wiphy
,
781 struct net_device
*dev
,
783 struct station_parameters
*params
)
785 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
786 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
787 struct sta_info
*sta
;
788 struct ieee80211_sub_if_data
*vlansdata
;
792 sta
= sta_info_get_bss(sdata
, mac
);
798 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
799 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
801 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
802 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
807 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
808 if (vlansdata
->u
.vlan
.sta
) {
813 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
816 sta
->sdata
= vlansdata
;
817 ieee80211_send_layer2_update(sta
);
820 sta_apply_parameters(local
, sta
, params
);
827 #ifdef CONFIG_MAC80211_MESH
828 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
829 u8
*dst
, u8
*next_hop
)
831 struct ieee80211_sub_if_data
*sdata
;
832 struct mesh_path
*mpath
;
833 struct sta_info
*sta
;
836 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
839 sta
= sta_info_get(sdata
, next_hop
);
845 err
= mesh_path_add(dst
, sdata
);
851 mpath
= mesh_path_lookup(dst
, sdata
);
856 mesh_path_fix_nexthop(mpath
, sta
);
862 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
865 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
868 return mesh_path_del(dst
, sdata
);
870 mesh_path_flush(sdata
);
874 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
875 struct net_device
*dev
,
876 u8
*dst
, u8
*next_hop
)
878 struct ieee80211_sub_if_data
*sdata
;
879 struct mesh_path
*mpath
;
880 struct sta_info
*sta
;
882 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
886 sta
= sta_info_get(sdata
, next_hop
);
892 mpath
= mesh_path_lookup(dst
, sdata
);
898 mesh_path_fix_nexthop(mpath
, sta
);
904 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
905 struct mpath_info
*pinfo
)
908 memcpy(next_hop
, mpath
->next_hop
->sta
.addr
, ETH_ALEN
);
910 memset(next_hop
, 0, ETH_ALEN
);
912 pinfo
->generation
= mesh_paths_generation
;
914 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
918 MPATH_INFO_DISCOVERY_TIMEOUT
|
919 MPATH_INFO_DISCOVERY_RETRIES
|
922 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
923 pinfo
->sn
= mpath
->sn
;
924 pinfo
->metric
= mpath
->metric
;
925 if (time_before(jiffies
, mpath
->exp_time
))
926 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
927 pinfo
->discovery_timeout
=
928 jiffies_to_msecs(mpath
->discovery_timeout
);
929 pinfo
->discovery_retries
= mpath
->discovery_retries
;
931 if (mpath
->flags
& MESH_PATH_ACTIVE
)
932 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
933 if (mpath
->flags
& MESH_PATH_RESOLVING
)
934 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
935 if (mpath
->flags
& MESH_PATH_SN_VALID
)
936 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
937 if (mpath
->flags
& MESH_PATH_FIXED
)
938 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
939 if (mpath
->flags
& MESH_PATH_RESOLVING
)
940 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
942 pinfo
->flags
= mpath
->flags
;
945 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
946 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
949 struct ieee80211_sub_if_data
*sdata
;
950 struct mesh_path
*mpath
;
952 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
955 mpath
= mesh_path_lookup(dst
, sdata
);
960 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
961 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
966 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
967 int idx
, u8
*dst
, u8
*next_hop
,
968 struct mpath_info
*pinfo
)
970 struct ieee80211_sub_if_data
*sdata
;
971 struct mesh_path
*mpath
;
973 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
976 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
981 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
982 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
987 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
988 struct net_device
*dev
,
989 struct mesh_config
*conf
)
991 struct ieee80211_sub_if_data
*sdata
;
992 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
994 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
998 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1000 return (mask
>> (parm
-1)) & 0x1;
1003 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1004 const struct mesh_setup
*setup
)
1009 /* first allocate the new vendor information element */
1011 old_ie
= ifmsh
->vendor_ie
;
1013 ifmsh
->vendor_ie_len
= setup
->vendor_ie_len
;
1014 if (setup
->vendor_ie_len
) {
1015 new_ie
= kmemdup(setup
->vendor_ie
, setup
->vendor_ie_len
,
1021 /* now copy the rest of the setup parameters */
1022 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1023 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1024 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1025 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1026 ifmsh
->vendor_ie
= new_ie
;
1033 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1034 struct net_device
*dev
, u32 mask
,
1035 const struct mesh_config
*nconf
)
1037 struct mesh_config
*conf
;
1038 struct ieee80211_sub_if_data
*sdata
;
1039 struct ieee80211_if_mesh
*ifmsh
;
1041 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1042 ifmsh
= &sdata
->u
.mesh
;
1044 /* Set the config options which we are interested in setting */
1045 conf
= &(sdata
->u
.mesh
.mshcfg
);
1046 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1047 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1048 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1049 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1050 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1051 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1052 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1053 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1054 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1055 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1056 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1057 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1058 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1059 conf
->dot11MeshTTL
= nconf
->element_ttl
;
1060 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1061 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1062 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1063 conf
->dot11MeshHWMPmaxPREQretries
=
1064 nconf
->dot11MeshHWMPmaxPREQretries
;
1065 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1066 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1067 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1068 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1069 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1070 conf
->dot11MeshHWMPactivePathTimeout
=
1071 nconf
->dot11MeshHWMPactivePathTimeout
;
1072 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1073 conf
->dot11MeshHWMPpreqMinInterval
=
1074 nconf
->dot11MeshHWMPpreqMinInterval
;
1075 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1077 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1078 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1079 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1080 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1081 ieee80211_mesh_root_setup(ifmsh
);
1086 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1087 const struct mesh_config
*conf
,
1088 const struct mesh_setup
*setup
)
1090 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1091 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1094 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1095 err
= copy_mesh_setup(ifmsh
, setup
);
1098 ieee80211_start_mesh(sdata
);
1103 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1105 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1107 ieee80211_stop_mesh(sdata
);
1113 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1114 struct net_device
*dev
,
1115 struct bss_parameters
*params
)
1117 struct ieee80211_sub_if_data
*sdata
;
1120 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1122 if (params
->use_cts_prot
>= 0) {
1123 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1124 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1126 if (params
->use_short_preamble
>= 0) {
1127 sdata
->vif
.bss_conf
.use_short_preamble
=
1128 params
->use_short_preamble
;
1129 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1132 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1133 sdata
->local
->hw
.conf
.channel
->band
== IEEE80211_BAND_5GHZ
) {
1134 sdata
->vif
.bss_conf
.use_short_slot
= true;
1135 changed
|= BSS_CHANGED_ERP_SLOT
;
1138 if (params
->use_short_slot_time
>= 0) {
1139 sdata
->vif
.bss_conf
.use_short_slot
=
1140 params
->use_short_slot_time
;
1141 changed
|= BSS_CHANGED_ERP_SLOT
;
1144 if (params
->basic_rates
) {
1147 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1148 struct ieee80211_supported_band
*sband
=
1149 wiphy
->bands
[local
->oper_channel
->band
];
1151 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1152 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1153 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1154 if (sband
->bitrates
[j
].bitrate
== rate
)
1158 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1159 changed
|= BSS_CHANGED_BASIC_RATES
;
1162 if (params
->ap_isolate
>= 0) {
1163 if (params
->ap_isolate
)
1164 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1166 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1169 if (params
->ht_opmode
>= 0) {
1170 sdata
->vif
.bss_conf
.ht_operation_mode
=
1171 (u16
) params
->ht_opmode
;
1172 changed
|= BSS_CHANGED_HT
;
1175 ieee80211_bss_info_change_notify(sdata
, changed
);
1180 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1181 struct ieee80211_txq_params
*params
)
1183 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1184 struct ieee80211_tx_queue_params p
;
1186 if (!local
->ops
->conf_tx
)
1189 memset(&p
, 0, sizeof(p
));
1190 p
.aifs
= params
->aifs
;
1191 p
.cw_max
= params
->cwmax
;
1192 p
.cw_min
= params
->cwmin
;
1193 p
.txop
= params
->txop
;
1196 * Setting tx queue params disables u-apsd because it's only
1197 * called in master mode.
1201 if (drv_conf_tx(local
, params
->queue
, &p
)) {
1202 wiphy_debug(local
->hw
.wiphy
,
1203 "failed to set TX queue parameters for queue %d\n",
1211 static int ieee80211_set_channel(struct wiphy
*wiphy
,
1212 struct net_device
*netdev
,
1213 struct ieee80211_channel
*chan
,
1214 enum nl80211_channel_type channel_type
)
1216 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1217 struct ieee80211_sub_if_data
*sdata
= NULL
;
1220 sdata
= IEEE80211_DEV_TO_SUB_IF(netdev
);
1222 switch (ieee80211_get_channel_mode(local
, NULL
)) {
1223 case CHAN_MODE_HOPPING
:
1225 case CHAN_MODE_FIXED
:
1226 if (local
->oper_channel
!= chan
)
1228 if (!sdata
&& local
->_oper_channel_type
== channel_type
)
1231 case CHAN_MODE_UNDEFINED
:
1235 local
->oper_channel
= chan
;
1237 if (!ieee80211_set_channel_type(local
, sdata
, channel_type
))
1240 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_CHANNEL
);
1241 if (sdata
&& sdata
->vif
.type
!= NL80211_IFTYPE_MONITOR
)
1242 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1248 static int ieee80211_suspend(struct wiphy
*wiphy
)
1250 return __ieee80211_suspend(wiphy_priv(wiphy
));
1253 static int ieee80211_resume(struct wiphy
*wiphy
)
1255 return __ieee80211_resume(wiphy_priv(wiphy
));
1258 #define ieee80211_suspend NULL
1259 #define ieee80211_resume NULL
1262 static int ieee80211_scan(struct wiphy
*wiphy
,
1263 struct net_device
*dev
,
1264 struct cfg80211_scan_request
*req
)
1266 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1268 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1269 case NL80211_IFTYPE_STATION
:
1270 case NL80211_IFTYPE_ADHOC
:
1271 case NL80211_IFTYPE_MESH_POINT
:
1272 case NL80211_IFTYPE_P2P_CLIENT
:
1274 case NL80211_IFTYPE_P2P_GO
:
1275 if (sdata
->local
->ops
->hw_scan
)
1277 /* FIXME: implement NoA while scanning in software */
1279 case NL80211_IFTYPE_AP
:
1280 if (sdata
->u
.ap
.beacon
)
1287 return ieee80211_request_scan(sdata
, req
);
1290 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1291 struct cfg80211_auth_request
*req
)
1293 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1296 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1297 struct cfg80211_assoc_request
*req
)
1299 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1300 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1302 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1303 case CHAN_MODE_HOPPING
:
1305 case CHAN_MODE_FIXED
:
1306 if (local
->oper_channel
== req
->bss
->channel
)
1309 case CHAN_MODE_UNDEFINED
:
1313 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1316 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1317 struct cfg80211_deauth_request
*req
,
1320 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
),
1324 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1325 struct cfg80211_disassoc_request
*req
,
1328 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
),
1332 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1333 struct cfg80211_ibss_params
*params
)
1335 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1336 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1338 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1339 case CHAN_MODE_HOPPING
:
1341 case CHAN_MODE_FIXED
:
1342 if (!params
->channel_fixed
)
1344 if (local
->oper_channel
== params
->channel
)
1347 case CHAN_MODE_UNDEFINED
:
1351 return ieee80211_ibss_join(sdata
, params
);
1354 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1356 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1358 return ieee80211_ibss_leave(sdata
);
1361 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1363 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1366 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1367 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1373 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1374 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1380 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1381 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1387 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1388 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1389 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1390 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1392 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1393 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1398 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1399 enum nl80211_tx_power_setting type
, int mbm
)
1401 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1402 struct ieee80211_channel
*chan
= local
->hw
.conf
.channel
;
1406 case NL80211_TX_POWER_AUTOMATIC
:
1407 local
->user_power_level
= -1;
1409 case NL80211_TX_POWER_LIMITED
:
1410 if (mbm
< 0 || (mbm
% 100))
1412 local
->user_power_level
= MBM_TO_DBM(mbm
);
1414 case NL80211_TX_POWER_FIXED
:
1415 if (mbm
< 0 || (mbm
% 100))
1417 /* TODO: move to cfg80211 when it knows the channel */
1418 if (MBM_TO_DBM(mbm
) > chan
->max_power
)
1420 local
->user_power_level
= MBM_TO_DBM(mbm
);
1424 ieee80211_hw_config(local
, changes
);
1429 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1431 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1433 *dbm
= local
->hw
.conf
.power_level
;
1438 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
1441 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1443 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
1448 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
1450 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1452 drv_rfkill_poll(local
);
1455 #ifdef CONFIG_NL80211_TESTMODE
1456 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
1458 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1460 if (!local
->ops
->testmode_cmd
)
1463 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
1467 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
1468 enum ieee80211_smps_mode smps_mode
)
1471 enum ieee80211_smps_mode old_req
;
1474 old_req
= sdata
->u
.mgd
.req_smps
;
1475 sdata
->u
.mgd
.req_smps
= smps_mode
;
1477 if (old_req
== smps_mode
&&
1478 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
1482 * If not associated, or current association is not an HT
1483 * association, there's no need to send an action frame.
1485 if (!sdata
->u
.mgd
.associated
||
1486 sdata
->vif
.bss_conf
.channel_type
== NL80211_CHAN_NO_HT
) {
1487 mutex_lock(&sdata
->local
->iflist_mtx
);
1488 ieee80211_recalc_smps(sdata
->local
);
1489 mutex_unlock(&sdata
->local
->iflist_mtx
);
1493 ap
= sdata
->u
.mgd
.associated
->bssid
;
1495 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
1496 if (sdata
->u
.mgd
.powersave
)
1497 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
1499 smps_mode
= IEEE80211_SMPS_OFF
;
1502 /* send SM PS frame to AP */
1503 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
1506 sdata
->u
.mgd
.req_smps
= old_req
;
1511 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
1512 bool enabled
, int timeout
)
1514 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1515 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1517 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
1520 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
1523 if (enabled
== sdata
->u
.mgd
.powersave
&&
1524 timeout
== local
->dynamic_ps_forced_timeout
)
1527 sdata
->u
.mgd
.powersave
= enabled
;
1528 local
->dynamic_ps_forced_timeout
= timeout
;
1530 /* no change, but if automatic follow powersave */
1531 mutex_lock(&sdata
->u
.mgd
.mtx
);
1532 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
1533 mutex_unlock(&sdata
->u
.mgd
.mtx
);
1535 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
1536 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
1538 ieee80211_recalc_ps(local
, -1);
1543 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
1544 struct net_device
*dev
,
1545 s32 rssi_thold
, u32 rssi_hyst
)
1547 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1548 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1549 struct ieee80211_vif
*vif
= &sdata
->vif
;
1550 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
1552 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
1553 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
1556 bss_conf
->cqm_rssi_thold
= rssi_thold
;
1557 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
1559 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_CQM_RSSI
)) {
1560 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
1565 /* tell the driver upon association, unless already associated */
1566 if (sdata
->u
.mgd
.associated
)
1567 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
1572 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
1573 struct net_device
*dev
,
1575 const struct cfg80211_bitrate_mask
*mask
)
1577 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1578 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1582 * This _could_ be supported by providing a hook for
1583 * drivers for this function, but at this point it
1584 * doesn't seem worth bothering.
1586 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
)
1590 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
1591 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
1596 static int ieee80211_remain_on_channel_hw(struct ieee80211_local
*local
,
1597 struct net_device
*dev
,
1598 struct ieee80211_channel
*chan
,
1599 enum nl80211_channel_type chantype
,
1600 unsigned int duration
, u64
*cookie
)
1605 lockdep_assert_held(&local
->mtx
);
1607 if (local
->hw_roc_cookie
)
1609 /* must be nonzero */
1610 random_cookie
= random32() | 1;
1612 *cookie
= random_cookie
;
1613 local
->hw_roc_dev
= dev
;
1614 local
->hw_roc_cookie
= random_cookie
;
1615 local
->hw_roc_channel
= chan
;
1616 local
->hw_roc_channel_type
= chantype
;
1617 local
->hw_roc_duration
= duration
;
1618 ret
= drv_remain_on_channel(local
, chan
, chantype
, duration
);
1620 local
->hw_roc_channel
= NULL
;
1621 local
->hw_roc_cookie
= 0;
1627 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
1628 struct net_device
*dev
,
1629 struct ieee80211_channel
*chan
,
1630 enum nl80211_channel_type channel_type
,
1631 unsigned int duration
,
1634 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1635 struct ieee80211_local
*local
= sdata
->local
;
1637 if (local
->ops
->remain_on_channel
) {
1640 mutex_lock(&local
->mtx
);
1641 ret
= ieee80211_remain_on_channel_hw(local
, dev
,
1644 local
->hw_roc_for_tx
= false;
1645 mutex_unlock(&local
->mtx
);
1650 return ieee80211_wk_remain_on_channel(sdata
, chan
, channel_type
,
1654 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local
*local
,
1659 lockdep_assert_held(&local
->mtx
);
1661 if (local
->hw_roc_cookie
!= cookie
)
1664 ret
= drv_cancel_remain_on_channel(local
);
1668 local
->hw_roc_cookie
= 0;
1669 local
->hw_roc_channel
= NULL
;
1671 ieee80211_recalc_idle(local
);
1676 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
1677 struct net_device
*dev
,
1680 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1681 struct ieee80211_local
*local
= sdata
->local
;
1683 if (local
->ops
->cancel_remain_on_channel
) {
1686 mutex_lock(&local
->mtx
);
1687 ret
= ieee80211_cancel_remain_on_channel_hw(local
, cookie
);
1688 mutex_unlock(&local
->mtx
);
1693 return ieee80211_wk_cancel_remain_on_channel(sdata
, cookie
);
1696 static enum work_done_result
1697 ieee80211_offchan_tx_done(struct ieee80211_work
*wk
, struct sk_buff
*skb
)
1700 * Use the data embedded in the work struct for reporting
1701 * here so if the driver mangled the SKB before dropping
1702 * it (which is the only way we really should get here)
1703 * then we don't report mangled data.
1705 * If there was no wait time, then by the time we get here
1706 * the driver will likely not have reported the status yet,
1707 * so in that case userspace will have to deal with it.
1710 if (wk
->offchan_tx
.wait
&& wk
->offchan_tx
.frame
)
1711 cfg80211_mgmt_tx_status(wk
->sdata
->dev
,
1712 (unsigned long) wk
->offchan_tx
.frame
,
1713 wk
->ie
, wk
->ie_len
, false, GFP_KERNEL
);
1715 return WORK_DONE_DESTROY
;
1718 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct net_device
*dev
,
1719 struct ieee80211_channel
*chan
, bool offchan
,
1720 enum nl80211_channel_type channel_type
,
1721 bool channel_type_valid
, unsigned int wait
,
1722 const u8
*buf
, size_t len
, u64
*cookie
)
1724 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1725 struct ieee80211_local
*local
= sdata
->local
;
1726 struct sk_buff
*skb
;
1727 struct sta_info
*sta
;
1728 struct ieee80211_work
*wk
;
1729 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
1730 u32 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
1731 IEEE80211_TX_CTL_REQ_TX_STATUS
;
1732 bool is_offchan
= false;
1734 /* Check that we are on the requested channel for transmission */
1735 if (chan
!= local
->tmp_channel
&&
1736 chan
!= local
->oper_channel
)
1738 if (channel_type_valid
&&
1739 (channel_type
!= local
->tmp_channel_type
&&
1740 channel_type
!= local
->_oper_channel_type
))
1743 if (chan
== local
->hw_roc_channel
) {
1744 /* TODO: check channel type? */
1746 flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
1749 if (is_offchan
&& !offchan
)
1752 switch (sdata
->vif
.type
) {
1753 case NL80211_IFTYPE_ADHOC
:
1754 case NL80211_IFTYPE_AP
:
1755 case NL80211_IFTYPE_AP_VLAN
:
1756 case NL80211_IFTYPE_P2P_GO
:
1757 case NL80211_IFTYPE_MESH_POINT
:
1758 if (!ieee80211_is_action(mgmt
->frame_control
) ||
1759 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
1762 sta
= sta_info_get(sdata
, mgmt
->da
);
1767 case NL80211_IFTYPE_STATION
:
1768 case NL80211_IFTYPE_P2P_CLIENT
:
1774 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
1777 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
1779 memcpy(skb_put(skb
, len
), buf
, len
);
1781 IEEE80211_SKB_CB(skb
)->flags
= flags
;
1783 skb
->dev
= sdata
->dev
;
1785 *cookie
= (unsigned long) skb
;
1787 if (is_offchan
&& local
->ops
->remain_on_channel
) {
1788 unsigned int duration
;
1791 mutex_lock(&local
->mtx
);
1793 * If the duration is zero, then the driver
1794 * wouldn't actually do anything. Set it to
1797 * TODO: cancel the off-channel operation
1798 * when we get the SKB's TX status and
1799 * the wait time was zero before.
1804 ret
= ieee80211_remain_on_channel_hw(local
, dev
, chan
,
1809 mutex_unlock(&local
->mtx
);
1813 local
->hw_roc_for_tx
= true;
1814 local
->hw_roc_duration
= wait
;
1817 * queue up frame for transmission after
1818 * ieee80211_ready_on_channel call
1821 /* modify cookie to prevent API mismatches */
1823 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
1824 local
->hw_roc_skb
= skb
;
1825 local
->hw_roc_skb_for_status
= skb
;
1826 mutex_unlock(&local
->mtx
);
1832 * Can transmit right away if the channel was the
1833 * right one and there's no wait involved... If a
1834 * wait is involved, we might otherwise not be on
1835 * the right channel for long enough!
1837 if (!is_offchan
&& !wait
&& !sdata
->vif
.bss_conf
.idle
) {
1838 ieee80211_tx_skb(sdata
, skb
);
1842 wk
= kzalloc(sizeof(*wk
) + len
, GFP_KERNEL
);
1848 wk
->type
= IEEE80211_WORK_OFFCHANNEL_TX
;
1851 wk
->done
= ieee80211_offchan_tx_done
;
1852 wk
->offchan_tx
.frame
= skb
;
1853 wk
->offchan_tx
.wait
= wait
;
1855 memcpy(wk
->ie
, buf
, len
);
1857 ieee80211_add_work(wk
);
1861 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
1862 struct net_device
*dev
,
1865 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1866 struct ieee80211_local
*local
= sdata
->local
;
1867 struct ieee80211_work
*wk
;
1870 mutex_lock(&local
->mtx
);
1872 if (local
->ops
->cancel_remain_on_channel
) {
1874 ret
= ieee80211_cancel_remain_on_channel_hw(local
, cookie
);
1877 kfree_skb(local
->hw_roc_skb
);
1878 local
->hw_roc_skb
= NULL
;
1879 local
->hw_roc_skb_for_status
= NULL
;
1882 mutex_unlock(&local
->mtx
);
1887 list_for_each_entry(wk
, &local
->work_list
, list
) {
1888 if (wk
->sdata
!= sdata
)
1891 if (wk
->type
!= IEEE80211_WORK_OFFCHANNEL_TX
)
1894 if (cookie
!= (unsigned long) wk
->offchan_tx
.frame
)
1897 wk
->timeout
= jiffies
;
1899 ieee80211_queue_work(&local
->hw
, &local
->work_work
);
1903 mutex_unlock(&local
->mtx
);
1908 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
1909 struct net_device
*dev
,
1910 u16 frame_type
, bool reg
)
1912 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1914 if (frame_type
!= (IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
))
1918 local
->probe_req_reg
++;
1920 local
->probe_req_reg
--;
1922 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
1925 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
1927 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1932 return drv_set_antenna(local
, tx_ant
, rx_ant
);
1935 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
1937 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1939 return drv_get_antenna(local
, tx_ant
, rx_ant
);
1942 struct cfg80211_ops mac80211_config_ops
= {
1943 .add_virtual_intf
= ieee80211_add_iface
,
1944 .del_virtual_intf
= ieee80211_del_iface
,
1945 .change_virtual_intf
= ieee80211_change_iface
,
1946 .add_key
= ieee80211_add_key
,
1947 .del_key
= ieee80211_del_key
,
1948 .get_key
= ieee80211_get_key
,
1949 .set_default_key
= ieee80211_config_default_key
,
1950 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
1951 .add_beacon
= ieee80211_add_beacon
,
1952 .set_beacon
= ieee80211_set_beacon
,
1953 .del_beacon
= ieee80211_del_beacon
,
1954 .add_station
= ieee80211_add_station
,
1955 .del_station
= ieee80211_del_station
,
1956 .change_station
= ieee80211_change_station
,
1957 .get_station
= ieee80211_get_station
,
1958 .dump_station
= ieee80211_dump_station
,
1959 .dump_survey
= ieee80211_dump_survey
,
1960 #ifdef CONFIG_MAC80211_MESH
1961 .add_mpath
= ieee80211_add_mpath
,
1962 .del_mpath
= ieee80211_del_mpath
,
1963 .change_mpath
= ieee80211_change_mpath
,
1964 .get_mpath
= ieee80211_get_mpath
,
1965 .dump_mpath
= ieee80211_dump_mpath
,
1966 .update_mesh_config
= ieee80211_update_mesh_config
,
1967 .get_mesh_config
= ieee80211_get_mesh_config
,
1968 .join_mesh
= ieee80211_join_mesh
,
1969 .leave_mesh
= ieee80211_leave_mesh
,
1971 .change_bss
= ieee80211_change_bss
,
1972 .set_txq_params
= ieee80211_set_txq_params
,
1973 .set_channel
= ieee80211_set_channel
,
1974 .suspend
= ieee80211_suspend
,
1975 .resume
= ieee80211_resume
,
1976 .scan
= ieee80211_scan
,
1977 .auth
= ieee80211_auth
,
1978 .assoc
= ieee80211_assoc
,
1979 .deauth
= ieee80211_deauth
,
1980 .disassoc
= ieee80211_disassoc
,
1981 .join_ibss
= ieee80211_join_ibss
,
1982 .leave_ibss
= ieee80211_leave_ibss
,
1983 .set_wiphy_params
= ieee80211_set_wiphy_params
,
1984 .set_tx_power
= ieee80211_set_tx_power
,
1985 .get_tx_power
= ieee80211_get_tx_power
,
1986 .set_wds_peer
= ieee80211_set_wds_peer
,
1987 .rfkill_poll
= ieee80211_rfkill_poll
,
1988 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
1989 .set_power_mgmt
= ieee80211_set_power_mgmt
,
1990 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
1991 .remain_on_channel
= ieee80211_remain_on_channel
,
1992 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
1993 .mgmt_tx
= ieee80211_mgmt_tx
,
1994 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
1995 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
1996 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
1997 .set_antenna
= ieee80211_set_antenna
,
1998 .get_antenna
= ieee80211_get_antenna
,