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 rate_idx_to_bitrate(struct rate_info
*rate
, struct sta_info
*sta
, int idx
)
321 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
)) {
322 struct ieee80211_supported_band
*sband
;
323 sband
= sta
->local
->hw
.wiphy
->bands
[
324 sta
->local
->hw
.conf
.channel
->band
];
325 rate
->legacy
= sband
->bitrates
[idx
].bitrate
;
330 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
332 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
334 sinfo
->generation
= sdata
->local
->sta_generation
;
336 sinfo
->filled
= STATION_INFO_INACTIVE_TIME
|
337 STATION_INFO_RX_BYTES
|
338 STATION_INFO_TX_BYTES
|
339 STATION_INFO_RX_PACKETS
|
340 STATION_INFO_TX_PACKETS
|
341 STATION_INFO_TX_RETRIES
|
342 STATION_INFO_TX_FAILED
|
343 STATION_INFO_TX_BITRATE
|
344 STATION_INFO_RX_BITRATE
|
345 STATION_INFO_RX_DROP_MISC
|
346 STATION_INFO_BSS_PARAM
;
348 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
349 sinfo
->rx_bytes
= sta
->rx_bytes
;
350 sinfo
->tx_bytes
= sta
->tx_bytes
;
351 sinfo
->rx_packets
= sta
->rx_packets
;
352 sinfo
->tx_packets
= sta
->tx_packets
;
353 sinfo
->tx_retries
= sta
->tx_retry_count
;
354 sinfo
->tx_failed
= sta
->tx_retry_failed
;
355 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
357 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
358 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
359 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
360 sinfo
->signal
= (s8
)sta
->last_signal
;
361 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
364 sinfo
->txrate
.flags
= 0;
365 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_MCS
)
366 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
367 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
368 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
369 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_SHORT_GI
)
370 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
371 rate_idx_to_bitrate(&sinfo
->txrate
, sta
, sta
->last_tx_rate
.idx
);
373 sinfo
->rxrate
.flags
= 0;
374 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
)
375 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_MCS
;
376 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
377 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
378 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
379 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
380 rate_idx_to_bitrate(&sinfo
->rxrate
, sta
, sta
->last_rx_rate_idx
);
382 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
383 #ifdef CONFIG_MAC80211_MESH
384 sinfo
->filled
|= STATION_INFO_LLID
|
386 STATION_INFO_PLINK_STATE
;
388 sinfo
->llid
= le16_to_cpu(sta
->llid
);
389 sinfo
->plid
= le16_to_cpu(sta
->plid
);
390 sinfo
->plink_state
= sta
->plink_state
;
394 sinfo
->bss_param
.flags
= 0;
395 if (sdata
->vif
.bss_conf
.use_cts_prot
)
396 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
397 if (sdata
->vif
.bss_conf
.use_short_preamble
)
398 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
399 if (sdata
->vif
.bss_conf
.use_short_slot
)
400 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
401 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
402 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
406 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
407 int idx
, u8
*mac
, struct station_info
*sinfo
)
409 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
410 struct sta_info
*sta
;
415 sta
= sta_info_get_by_idx(sdata
, idx
);
418 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
419 sta_set_sinfo(sta
, sinfo
);
427 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
428 int idx
, struct survey_info
*survey
)
430 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
432 return drv_get_survey(local
, idx
, survey
);
435 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
436 u8
*mac
, struct station_info
*sinfo
)
438 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
439 struct sta_info
*sta
;
444 sta
= sta_info_get_bss(sdata
, mac
);
447 sta_set_sinfo(sta
, sinfo
);
456 * This handles both adding a beacon and setting new beacon info
458 static int ieee80211_config_beacon(struct ieee80211_sub_if_data
*sdata
,
459 struct beacon_parameters
*params
)
461 struct beacon_data
*new, *old
;
462 int new_head_len
, new_tail_len
;
466 old
= sdata
->u
.ap
.beacon
;
468 /* head must not be zero-length */
469 if (params
->head
&& !params
->head_len
)
473 * This is a kludge. beacon interval should really be part
474 * of the beacon information.
476 if (params
->interval
&&
477 (sdata
->vif
.bss_conf
.beacon_int
!= params
->interval
)) {
478 sdata
->vif
.bss_conf
.beacon_int
= params
->interval
;
479 ieee80211_bss_info_change_notify(sdata
,
480 BSS_CHANGED_BEACON_INT
);
483 /* Need to have a beacon head if we don't have one yet */
484 if (!params
->head
&& !old
)
487 /* sorry, no way to start beaconing without dtim period */
488 if (!params
->dtim_period
&& !old
)
491 /* new or old head? */
493 new_head_len
= params
->head_len
;
495 new_head_len
= old
->head_len
;
497 /* new or old tail? */
498 if (params
->tail
|| !old
)
499 /* params->tail_len will be zero for !params->tail */
500 new_tail_len
= params
->tail_len
;
502 new_tail_len
= old
->tail_len
;
504 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
506 new = kzalloc(size
, GFP_KERNEL
);
510 /* start filling the new info now */
512 /* new or old dtim period? */
513 if (params
->dtim_period
)
514 new->dtim_period
= params
->dtim_period
;
516 new->dtim_period
= old
->dtim_period
;
519 * pointers go into the block we allocated,
520 * memory is | beacon_data | head | tail |
522 new->head
= ((u8
*) new) + sizeof(*new);
523 new->tail
= new->head
+ new_head_len
;
524 new->head_len
= new_head_len
;
525 new->tail_len
= new_tail_len
;
529 memcpy(new->head
, params
->head
, new_head_len
);
531 memcpy(new->head
, old
->head
, new_head_len
);
533 /* copy in optional tail */
535 memcpy(new->tail
, params
->tail
, new_tail_len
);
538 memcpy(new->tail
, old
->tail
, new_tail_len
);
540 sdata
->vif
.bss_conf
.dtim_period
= new->dtim_period
;
542 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
548 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
|
553 static int ieee80211_add_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
554 struct beacon_parameters
*params
)
556 struct ieee80211_sub_if_data
*sdata
;
557 struct beacon_data
*old
;
559 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
561 old
= sdata
->u
.ap
.beacon
;
566 return ieee80211_config_beacon(sdata
, params
);
569 static int ieee80211_set_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
570 struct beacon_parameters
*params
)
572 struct ieee80211_sub_if_data
*sdata
;
573 struct beacon_data
*old
;
575 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
577 old
= sdata
->u
.ap
.beacon
;
582 return ieee80211_config_beacon(sdata
, params
);
585 static int ieee80211_del_beacon(struct wiphy
*wiphy
, struct net_device
*dev
)
587 struct ieee80211_sub_if_data
*sdata
;
588 struct beacon_data
*old
;
590 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
592 old
= sdata
->u
.ap
.beacon
;
597 rcu_assign_pointer(sdata
->u
.ap
.beacon
, NULL
);
601 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
605 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
606 struct iapp_layer2_update
{
607 u8 da
[ETH_ALEN
]; /* broadcast */
608 u8 sa
[ETH_ALEN
]; /* STA addr */
616 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
618 struct iapp_layer2_update
*msg
;
621 /* Send Level 2 Update Frame to update forwarding tables in layer 2
624 skb
= dev_alloc_skb(sizeof(*msg
));
627 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
629 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
630 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
632 memset(msg
->da
, 0xff, ETH_ALEN
);
633 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
636 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
637 msg
->control
= 0xaf; /* XID response lsb.1111F101.
638 * F=0 (no poll command; unsolicited frame) */
639 msg
->xid_info
[0] = 0x81; /* XID format identifier */
640 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
641 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
643 skb
->dev
= sta
->sdata
->dev
;
644 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
645 memset(skb
->cb
, 0, sizeof(skb
->cb
));
649 static void sta_apply_parameters(struct ieee80211_local
*local
,
650 struct sta_info
*sta
,
651 struct station_parameters
*params
)
656 struct ieee80211_supported_band
*sband
;
657 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
660 sband
= local
->hw
.wiphy
->bands
[local
->oper_channel
->band
];
662 spin_lock_irqsave(&sta
->flaglock
, flags
);
663 mask
= params
->sta_flags_mask
;
664 set
= params
->sta_flags_set
;
666 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
667 sta
->flags
&= ~WLAN_STA_AUTHORIZED
;
668 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
669 sta
->flags
|= WLAN_STA_AUTHORIZED
;
672 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
673 sta
->flags
&= ~WLAN_STA_SHORT_PREAMBLE
;
674 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
675 sta
->flags
|= WLAN_STA_SHORT_PREAMBLE
;
678 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
679 sta
->flags
&= ~WLAN_STA_WME
;
680 if (set
& BIT(NL80211_STA_FLAG_WME
))
681 sta
->flags
|= WLAN_STA_WME
;
684 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
685 sta
->flags
&= ~WLAN_STA_MFP
;
686 if (set
& BIT(NL80211_STA_FLAG_MFP
))
687 sta
->flags
|= WLAN_STA_MFP
;
689 spin_unlock_irqrestore(&sta
->flaglock
, flags
);
692 * cfg80211 validates this (1-2007) and allows setting the AID
693 * only when creating a new station entry
696 sta
->sta
.aid
= params
->aid
;
699 * FIXME: updating the following information is racy when this
700 * function is called from ieee80211_change_station().
701 * However, all this information should be static so
702 * maybe we should just reject attemps to change it.
705 if (params
->listen_interval
>= 0)
706 sta
->listen_interval
= params
->listen_interval
;
708 if (params
->supported_rates
) {
711 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
712 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
713 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
714 if (sband
->bitrates
[j
].bitrate
== rate
)
718 sta
->sta
.supp_rates
[local
->oper_channel
->band
] = rates
;
722 ieee80211_ht_cap_ie_to_sta_ht_cap(sband
,
726 if (ieee80211_vif_is_mesh(&sdata
->vif
) && params
->plink_action
) {
727 switch (params
->plink_action
) {
728 case PLINK_ACTION_OPEN
:
729 mesh_plink_open(sta
);
731 case PLINK_ACTION_BLOCK
:
732 mesh_plink_block(sta
);
738 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
739 u8
*mac
, struct station_parameters
*params
)
741 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
742 struct sta_info
*sta
;
743 struct ieee80211_sub_if_data
*sdata
;
748 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
750 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
751 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
754 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
756 if (compare_ether_addr(mac
, sdata
->vif
.addr
) == 0)
759 if (is_multicast_ether_addr(mac
))
762 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
766 sta
->flags
= WLAN_STA_AUTH
| WLAN_STA_ASSOC
;
768 sta_apply_parameters(local
, sta
, params
);
770 rate_control_rate_init(sta
);
772 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
773 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
775 err
= sta_info_insert_rcu(sta
);
782 ieee80211_send_layer2_update(sta
);
789 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
792 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
793 struct ieee80211_sub_if_data
*sdata
;
795 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
798 return sta_info_destroy_addr_bss(sdata
, mac
);
800 sta_info_flush(local
, sdata
);
804 static int ieee80211_change_station(struct wiphy
*wiphy
,
805 struct net_device
*dev
,
807 struct station_parameters
*params
)
809 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
810 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
811 struct sta_info
*sta
;
812 struct ieee80211_sub_if_data
*vlansdata
;
816 sta
= sta_info_get_bss(sdata
, mac
);
822 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
823 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
825 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
826 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
831 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
832 if (vlansdata
->u
.vlan
.sta
) {
837 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
840 sta
->sdata
= vlansdata
;
841 ieee80211_send_layer2_update(sta
);
844 sta_apply_parameters(local
, sta
, params
);
848 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
849 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
850 ieee80211_recalc_ps(local
, -1);
855 #ifdef CONFIG_MAC80211_MESH
856 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
857 u8
*dst
, u8
*next_hop
)
859 struct ieee80211_sub_if_data
*sdata
;
860 struct mesh_path
*mpath
;
861 struct sta_info
*sta
;
864 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
867 sta
= sta_info_get(sdata
, next_hop
);
873 err
= mesh_path_add(dst
, sdata
);
879 mpath
= mesh_path_lookup(dst
, sdata
);
884 mesh_path_fix_nexthop(mpath
, sta
);
890 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
893 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
896 return mesh_path_del(dst
, sdata
);
898 mesh_path_flush(sdata
);
902 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
903 struct net_device
*dev
,
904 u8
*dst
, u8
*next_hop
)
906 struct ieee80211_sub_if_data
*sdata
;
907 struct mesh_path
*mpath
;
908 struct sta_info
*sta
;
910 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
914 sta
= sta_info_get(sdata
, next_hop
);
920 mpath
= mesh_path_lookup(dst
, sdata
);
926 mesh_path_fix_nexthop(mpath
, sta
);
932 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
933 struct mpath_info
*pinfo
)
936 memcpy(next_hop
, mpath
->next_hop
->sta
.addr
, ETH_ALEN
);
938 memset(next_hop
, 0, ETH_ALEN
);
940 pinfo
->generation
= mesh_paths_generation
;
942 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
946 MPATH_INFO_DISCOVERY_TIMEOUT
|
947 MPATH_INFO_DISCOVERY_RETRIES
|
950 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
951 pinfo
->sn
= mpath
->sn
;
952 pinfo
->metric
= mpath
->metric
;
953 if (time_before(jiffies
, mpath
->exp_time
))
954 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
955 pinfo
->discovery_timeout
=
956 jiffies_to_msecs(mpath
->discovery_timeout
);
957 pinfo
->discovery_retries
= mpath
->discovery_retries
;
959 if (mpath
->flags
& MESH_PATH_ACTIVE
)
960 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
961 if (mpath
->flags
& MESH_PATH_RESOLVING
)
962 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
963 if (mpath
->flags
& MESH_PATH_SN_VALID
)
964 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
965 if (mpath
->flags
& MESH_PATH_FIXED
)
966 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
967 if (mpath
->flags
& MESH_PATH_RESOLVING
)
968 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
970 pinfo
->flags
= mpath
->flags
;
973 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
974 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
977 struct ieee80211_sub_if_data
*sdata
;
978 struct mesh_path
*mpath
;
980 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
983 mpath
= mesh_path_lookup(dst
, sdata
);
988 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
989 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
994 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
995 int idx
, u8
*dst
, u8
*next_hop
,
996 struct mpath_info
*pinfo
)
998 struct ieee80211_sub_if_data
*sdata
;
999 struct mesh_path
*mpath
;
1001 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1004 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
1009 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1010 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1015 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1016 struct net_device
*dev
,
1017 struct mesh_config
*conf
)
1019 struct ieee80211_sub_if_data
*sdata
;
1020 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1022 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1026 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1028 return (mask
>> (parm
-1)) & 0x1;
1031 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1032 const struct mesh_setup
*setup
)
1037 /* first allocate the new vendor information element */
1039 old_ie
= ifmsh
->vendor_ie
;
1041 ifmsh
->vendor_ie_len
= setup
->vendor_ie_len
;
1042 if (setup
->vendor_ie_len
) {
1043 new_ie
= kmemdup(setup
->vendor_ie
, setup
->vendor_ie_len
,
1049 /* now copy the rest of the setup parameters */
1050 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1051 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1052 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1053 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1054 ifmsh
->vendor_ie
= new_ie
;
1061 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1062 struct net_device
*dev
, u32 mask
,
1063 const struct mesh_config
*nconf
)
1065 struct mesh_config
*conf
;
1066 struct ieee80211_sub_if_data
*sdata
;
1067 struct ieee80211_if_mesh
*ifmsh
;
1069 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1070 ifmsh
= &sdata
->u
.mesh
;
1072 /* Set the config options which we are interested in setting */
1073 conf
= &(sdata
->u
.mesh
.mshcfg
);
1074 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1075 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1076 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1077 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1078 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1079 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1080 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1081 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1082 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1083 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1084 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1085 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1086 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1087 conf
->dot11MeshTTL
= nconf
->element_ttl
;
1088 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1089 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1090 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1091 conf
->dot11MeshHWMPmaxPREQretries
=
1092 nconf
->dot11MeshHWMPmaxPREQretries
;
1093 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1094 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1095 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1096 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1097 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1098 conf
->dot11MeshHWMPactivePathTimeout
=
1099 nconf
->dot11MeshHWMPactivePathTimeout
;
1100 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1101 conf
->dot11MeshHWMPpreqMinInterval
=
1102 nconf
->dot11MeshHWMPpreqMinInterval
;
1103 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1105 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1106 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1107 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1108 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1109 ieee80211_mesh_root_setup(ifmsh
);
1114 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1115 const struct mesh_config
*conf
,
1116 const struct mesh_setup
*setup
)
1118 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1119 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1122 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1123 err
= copy_mesh_setup(ifmsh
, setup
);
1126 ieee80211_start_mesh(sdata
);
1131 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1133 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1135 ieee80211_stop_mesh(sdata
);
1141 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1142 struct net_device
*dev
,
1143 struct bss_parameters
*params
)
1145 struct ieee80211_sub_if_data
*sdata
;
1148 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1150 if (params
->use_cts_prot
>= 0) {
1151 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1152 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1154 if (params
->use_short_preamble
>= 0) {
1155 sdata
->vif
.bss_conf
.use_short_preamble
=
1156 params
->use_short_preamble
;
1157 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1160 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1161 sdata
->local
->hw
.conf
.channel
->band
== IEEE80211_BAND_5GHZ
) {
1162 sdata
->vif
.bss_conf
.use_short_slot
= true;
1163 changed
|= BSS_CHANGED_ERP_SLOT
;
1166 if (params
->use_short_slot_time
>= 0) {
1167 sdata
->vif
.bss_conf
.use_short_slot
=
1168 params
->use_short_slot_time
;
1169 changed
|= BSS_CHANGED_ERP_SLOT
;
1172 if (params
->basic_rates
) {
1175 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1176 struct ieee80211_supported_band
*sband
=
1177 wiphy
->bands
[local
->oper_channel
->band
];
1179 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1180 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1181 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1182 if (sband
->bitrates
[j
].bitrate
== rate
)
1186 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1187 changed
|= BSS_CHANGED_BASIC_RATES
;
1190 if (params
->ap_isolate
>= 0) {
1191 if (params
->ap_isolate
)
1192 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1194 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1197 if (params
->ht_opmode
>= 0) {
1198 sdata
->vif
.bss_conf
.ht_operation_mode
=
1199 (u16
) params
->ht_opmode
;
1200 changed
|= BSS_CHANGED_HT
;
1203 ieee80211_bss_info_change_notify(sdata
, changed
);
1208 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1209 struct ieee80211_txq_params
*params
)
1211 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1212 struct ieee80211_tx_queue_params p
;
1214 if (!local
->ops
->conf_tx
)
1217 memset(&p
, 0, sizeof(p
));
1218 p
.aifs
= params
->aifs
;
1219 p
.cw_max
= params
->cwmax
;
1220 p
.cw_min
= params
->cwmin
;
1221 p
.txop
= params
->txop
;
1224 * Setting tx queue params disables u-apsd because it's only
1225 * called in master mode.
1229 if (drv_conf_tx(local
, params
->queue
, &p
)) {
1230 wiphy_debug(local
->hw
.wiphy
,
1231 "failed to set TX queue parameters for queue %d\n",
1239 static int ieee80211_set_channel(struct wiphy
*wiphy
,
1240 struct net_device
*netdev
,
1241 struct ieee80211_channel
*chan
,
1242 enum nl80211_channel_type channel_type
)
1244 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1245 struct ieee80211_sub_if_data
*sdata
= NULL
;
1246 struct ieee80211_channel
*old_oper
;
1247 enum nl80211_channel_type old_oper_type
;
1248 enum nl80211_channel_type old_vif_oper_type
= NL80211_CHAN_NO_HT
;
1251 sdata
= IEEE80211_DEV_TO_SUB_IF(netdev
);
1253 switch (ieee80211_get_channel_mode(local
, NULL
)) {
1254 case CHAN_MODE_HOPPING
:
1256 case CHAN_MODE_FIXED
:
1257 if (local
->oper_channel
!= chan
)
1259 if (!sdata
&& local
->_oper_channel_type
== channel_type
)
1262 case CHAN_MODE_UNDEFINED
:
1267 old_vif_oper_type
= sdata
->vif
.bss_conf
.channel_type
;
1268 old_oper_type
= local
->_oper_channel_type
;
1270 if (!ieee80211_set_channel_type(local
, sdata
, channel_type
))
1273 old_oper
= local
->oper_channel
;
1274 local
->oper_channel
= chan
;
1276 /* Update driver if changes were actually made. */
1277 if ((old_oper
!= local
->oper_channel
) ||
1278 (old_oper_type
!= local
->_oper_channel_type
))
1279 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_CHANNEL
);
1281 if ((sdata
&& sdata
->vif
.type
!= NL80211_IFTYPE_MONITOR
) &&
1282 old_vif_oper_type
!= sdata
->vif
.bss_conf
.channel_type
)
1283 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1289 static int ieee80211_suspend(struct wiphy
*wiphy
)
1291 return __ieee80211_suspend(wiphy_priv(wiphy
));
1294 static int ieee80211_resume(struct wiphy
*wiphy
)
1296 return __ieee80211_resume(wiphy_priv(wiphy
));
1299 #define ieee80211_suspend NULL
1300 #define ieee80211_resume NULL
1303 static int ieee80211_scan(struct wiphy
*wiphy
,
1304 struct net_device
*dev
,
1305 struct cfg80211_scan_request
*req
)
1307 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1309 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1310 case NL80211_IFTYPE_STATION
:
1311 case NL80211_IFTYPE_ADHOC
:
1312 case NL80211_IFTYPE_MESH_POINT
:
1313 case NL80211_IFTYPE_P2P_CLIENT
:
1315 case NL80211_IFTYPE_P2P_GO
:
1316 if (sdata
->local
->ops
->hw_scan
)
1319 * FIXME: implement NoA while scanning in software,
1320 * for now fall through to allow scanning only when
1321 * beaconing hasn't been configured yet
1323 case NL80211_IFTYPE_AP
:
1324 if (sdata
->u
.ap
.beacon
)
1331 return ieee80211_request_scan(sdata
, req
);
1334 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1335 struct cfg80211_auth_request
*req
)
1337 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1340 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1341 struct cfg80211_assoc_request
*req
)
1343 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1344 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1346 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1347 case CHAN_MODE_HOPPING
:
1349 case CHAN_MODE_FIXED
:
1350 if (local
->oper_channel
== req
->bss
->channel
)
1353 case CHAN_MODE_UNDEFINED
:
1357 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1360 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1361 struct cfg80211_deauth_request
*req
,
1364 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
),
1368 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1369 struct cfg80211_disassoc_request
*req
,
1372 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
),
1376 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1377 struct cfg80211_ibss_params
*params
)
1379 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1380 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1382 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1383 case CHAN_MODE_HOPPING
:
1385 case CHAN_MODE_FIXED
:
1386 if (!params
->channel_fixed
)
1388 if (local
->oper_channel
== params
->channel
)
1391 case CHAN_MODE_UNDEFINED
:
1395 return ieee80211_ibss_join(sdata
, params
);
1398 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1400 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1402 return ieee80211_ibss_leave(sdata
);
1405 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1407 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1410 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1411 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1417 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1418 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1424 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1425 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1431 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1432 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1433 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1434 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1436 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1437 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1442 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1443 enum nl80211_tx_power_setting type
, int mbm
)
1445 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1446 struct ieee80211_channel
*chan
= local
->hw
.conf
.channel
;
1450 case NL80211_TX_POWER_AUTOMATIC
:
1451 local
->user_power_level
= -1;
1453 case NL80211_TX_POWER_LIMITED
:
1454 if (mbm
< 0 || (mbm
% 100))
1456 local
->user_power_level
= MBM_TO_DBM(mbm
);
1458 case NL80211_TX_POWER_FIXED
:
1459 if (mbm
< 0 || (mbm
% 100))
1461 /* TODO: move to cfg80211 when it knows the channel */
1462 if (MBM_TO_DBM(mbm
) > chan
->max_power
)
1464 local
->user_power_level
= MBM_TO_DBM(mbm
);
1468 ieee80211_hw_config(local
, changes
);
1473 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1475 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1477 *dbm
= local
->hw
.conf
.power_level
;
1482 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
1485 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1487 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
1492 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
1494 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1496 drv_rfkill_poll(local
);
1499 #ifdef CONFIG_NL80211_TESTMODE
1500 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
1502 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1504 if (!local
->ops
->testmode_cmd
)
1507 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
1511 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
1512 enum ieee80211_smps_mode smps_mode
)
1515 enum ieee80211_smps_mode old_req
;
1518 old_req
= sdata
->u
.mgd
.req_smps
;
1519 sdata
->u
.mgd
.req_smps
= smps_mode
;
1521 if (old_req
== smps_mode
&&
1522 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
1526 * If not associated, or current association is not an HT
1527 * association, there's no need to send an action frame.
1529 if (!sdata
->u
.mgd
.associated
||
1530 sdata
->vif
.bss_conf
.channel_type
== NL80211_CHAN_NO_HT
) {
1531 mutex_lock(&sdata
->local
->iflist_mtx
);
1532 ieee80211_recalc_smps(sdata
->local
);
1533 mutex_unlock(&sdata
->local
->iflist_mtx
);
1537 ap
= sdata
->u
.mgd
.associated
->bssid
;
1539 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
1540 if (sdata
->u
.mgd
.powersave
)
1541 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
1543 smps_mode
= IEEE80211_SMPS_OFF
;
1546 /* send SM PS frame to AP */
1547 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
1550 sdata
->u
.mgd
.req_smps
= old_req
;
1555 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
1556 bool enabled
, int timeout
)
1558 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1559 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1561 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
1564 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
1567 if (enabled
== sdata
->u
.mgd
.powersave
&&
1568 timeout
== local
->dynamic_ps_forced_timeout
)
1571 sdata
->u
.mgd
.powersave
= enabled
;
1572 local
->dynamic_ps_forced_timeout
= timeout
;
1574 /* no change, but if automatic follow powersave */
1575 mutex_lock(&sdata
->u
.mgd
.mtx
);
1576 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
1577 mutex_unlock(&sdata
->u
.mgd
.mtx
);
1579 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
1580 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
1582 ieee80211_recalc_ps(local
, -1);
1587 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
1588 struct net_device
*dev
,
1589 s32 rssi_thold
, u32 rssi_hyst
)
1591 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1592 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1593 struct ieee80211_vif
*vif
= &sdata
->vif
;
1594 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
1596 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
1597 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
1600 bss_conf
->cqm_rssi_thold
= rssi_thold
;
1601 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
1603 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_CQM_RSSI
)) {
1604 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
1609 /* tell the driver upon association, unless already associated */
1610 if (sdata
->u
.mgd
.associated
)
1611 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
1616 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
1617 struct net_device
*dev
,
1619 const struct cfg80211_bitrate_mask
*mask
)
1621 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1622 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1626 * This _could_ be supported by providing a hook for
1627 * drivers for this function, but at this point it
1628 * doesn't seem worth bothering.
1630 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
)
1634 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
1635 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
1640 static int ieee80211_remain_on_channel_hw(struct ieee80211_local
*local
,
1641 struct net_device
*dev
,
1642 struct ieee80211_channel
*chan
,
1643 enum nl80211_channel_type chantype
,
1644 unsigned int duration
, u64
*cookie
)
1649 lockdep_assert_held(&local
->mtx
);
1651 if (local
->hw_roc_cookie
)
1653 /* must be nonzero */
1654 random_cookie
= random32() | 1;
1656 *cookie
= random_cookie
;
1657 local
->hw_roc_dev
= dev
;
1658 local
->hw_roc_cookie
= random_cookie
;
1659 local
->hw_roc_channel
= chan
;
1660 local
->hw_roc_channel_type
= chantype
;
1661 local
->hw_roc_duration
= duration
;
1662 ret
= drv_remain_on_channel(local
, chan
, chantype
, duration
);
1664 local
->hw_roc_channel
= NULL
;
1665 local
->hw_roc_cookie
= 0;
1671 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
1672 struct net_device
*dev
,
1673 struct ieee80211_channel
*chan
,
1674 enum nl80211_channel_type channel_type
,
1675 unsigned int duration
,
1678 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1679 struct ieee80211_local
*local
= sdata
->local
;
1681 if (local
->ops
->remain_on_channel
) {
1684 mutex_lock(&local
->mtx
);
1685 ret
= ieee80211_remain_on_channel_hw(local
, dev
,
1688 local
->hw_roc_for_tx
= false;
1689 mutex_unlock(&local
->mtx
);
1694 return ieee80211_wk_remain_on_channel(sdata
, chan
, channel_type
,
1698 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local
*local
,
1703 lockdep_assert_held(&local
->mtx
);
1705 if (local
->hw_roc_cookie
!= cookie
)
1708 ret
= drv_cancel_remain_on_channel(local
);
1712 local
->hw_roc_cookie
= 0;
1713 local
->hw_roc_channel
= NULL
;
1715 ieee80211_recalc_idle(local
);
1720 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
1721 struct net_device
*dev
,
1724 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1725 struct ieee80211_local
*local
= sdata
->local
;
1727 if (local
->ops
->cancel_remain_on_channel
) {
1730 mutex_lock(&local
->mtx
);
1731 ret
= ieee80211_cancel_remain_on_channel_hw(local
, cookie
);
1732 mutex_unlock(&local
->mtx
);
1737 return ieee80211_wk_cancel_remain_on_channel(sdata
, cookie
);
1740 static enum work_done_result
1741 ieee80211_offchan_tx_done(struct ieee80211_work
*wk
, struct sk_buff
*skb
)
1744 * Use the data embedded in the work struct for reporting
1745 * here so if the driver mangled the SKB before dropping
1746 * it (which is the only way we really should get here)
1747 * then we don't report mangled data.
1749 * If there was no wait time, then by the time we get here
1750 * the driver will likely not have reported the status yet,
1751 * so in that case userspace will have to deal with it.
1754 if (wk
->offchan_tx
.wait
&& wk
->offchan_tx
.frame
)
1755 cfg80211_mgmt_tx_status(wk
->sdata
->dev
,
1756 (unsigned long) wk
->offchan_tx
.frame
,
1757 wk
->ie
, wk
->ie_len
, false, GFP_KERNEL
);
1759 return WORK_DONE_DESTROY
;
1762 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct net_device
*dev
,
1763 struct ieee80211_channel
*chan
, bool offchan
,
1764 enum nl80211_channel_type channel_type
,
1765 bool channel_type_valid
, unsigned int wait
,
1766 const u8
*buf
, size_t len
, u64
*cookie
)
1768 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1769 struct ieee80211_local
*local
= sdata
->local
;
1770 struct sk_buff
*skb
;
1771 struct sta_info
*sta
;
1772 struct ieee80211_work
*wk
;
1773 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
1774 u32 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
1775 IEEE80211_TX_CTL_REQ_TX_STATUS
;
1776 bool is_offchan
= false;
1778 /* Check that we are on the requested channel for transmission */
1779 if (chan
!= local
->tmp_channel
&&
1780 chan
!= local
->oper_channel
)
1782 if (channel_type_valid
&&
1783 (channel_type
!= local
->tmp_channel_type
&&
1784 channel_type
!= local
->_oper_channel_type
))
1787 if (chan
== local
->hw_roc_channel
) {
1788 /* TODO: check channel type? */
1790 flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
1793 if (is_offchan
&& !offchan
)
1796 switch (sdata
->vif
.type
) {
1797 case NL80211_IFTYPE_ADHOC
:
1798 case NL80211_IFTYPE_AP
:
1799 case NL80211_IFTYPE_AP_VLAN
:
1800 case NL80211_IFTYPE_P2P_GO
:
1801 case NL80211_IFTYPE_MESH_POINT
:
1802 if (!ieee80211_is_action(mgmt
->frame_control
) ||
1803 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
1806 sta
= sta_info_get(sdata
, mgmt
->da
);
1811 case NL80211_IFTYPE_STATION
:
1812 case NL80211_IFTYPE_P2P_CLIENT
:
1818 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
1821 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
1823 memcpy(skb_put(skb
, len
), buf
, len
);
1825 IEEE80211_SKB_CB(skb
)->flags
= flags
;
1827 skb
->dev
= sdata
->dev
;
1829 *cookie
= (unsigned long) skb
;
1831 if (is_offchan
&& local
->ops
->offchannel_tx
) {
1834 IEEE80211_SKB_CB(skb
)->band
= chan
->band
;
1836 mutex_lock(&local
->mtx
);
1838 if (local
->hw_offchan_tx_cookie
) {
1839 mutex_unlock(&local
->mtx
);
1843 /* TODO: bitrate control, TX processing? */
1844 ret
= drv_offchannel_tx(local
, skb
, chan
, channel_type
, wait
);
1847 local
->hw_offchan_tx_cookie
= *cookie
;
1848 mutex_unlock(&local
->mtx
);
1851 * Allow driver to return 1 to indicate it wants to have the
1852 * frame transmitted with a remain_on_channel + regular TX.
1858 if (is_offchan
&& local
->ops
->remain_on_channel
) {
1859 unsigned int duration
;
1862 mutex_lock(&local
->mtx
);
1864 * If the duration is zero, then the driver
1865 * wouldn't actually do anything. Set it to
1868 * TODO: cancel the off-channel operation
1869 * when we get the SKB's TX status and
1870 * the wait time was zero before.
1875 ret
= ieee80211_remain_on_channel_hw(local
, dev
, chan
,
1880 mutex_unlock(&local
->mtx
);
1884 local
->hw_roc_for_tx
= true;
1885 local
->hw_roc_duration
= wait
;
1888 * queue up frame for transmission after
1889 * ieee80211_ready_on_channel call
1892 /* modify cookie to prevent API mismatches */
1894 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
1895 local
->hw_roc_skb
= skb
;
1896 local
->hw_roc_skb_for_status
= skb
;
1897 mutex_unlock(&local
->mtx
);
1903 * Can transmit right away if the channel was the
1904 * right one and there's no wait involved... If a
1905 * wait is involved, we might otherwise not be on
1906 * the right channel for long enough!
1908 if (!is_offchan
&& !wait
&& !sdata
->vif
.bss_conf
.idle
) {
1909 ieee80211_tx_skb(sdata
, skb
);
1913 wk
= kzalloc(sizeof(*wk
) + len
, GFP_KERNEL
);
1919 wk
->type
= IEEE80211_WORK_OFFCHANNEL_TX
;
1921 wk
->chan_type
= channel_type
;
1923 wk
->done
= ieee80211_offchan_tx_done
;
1924 wk
->offchan_tx
.frame
= skb
;
1925 wk
->offchan_tx
.wait
= wait
;
1927 memcpy(wk
->ie
, buf
, len
);
1929 ieee80211_add_work(wk
);
1933 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
1934 struct net_device
*dev
,
1937 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1938 struct ieee80211_local
*local
= sdata
->local
;
1939 struct ieee80211_work
*wk
;
1942 mutex_lock(&local
->mtx
);
1944 if (local
->ops
->offchannel_tx_cancel_wait
&&
1945 local
->hw_offchan_tx_cookie
== cookie
) {
1946 ret
= drv_offchannel_tx_cancel_wait(local
);
1949 local
->hw_offchan_tx_cookie
= 0;
1951 mutex_unlock(&local
->mtx
);
1956 if (local
->ops
->cancel_remain_on_channel
) {
1958 ret
= ieee80211_cancel_remain_on_channel_hw(local
, cookie
);
1961 kfree_skb(local
->hw_roc_skb
);
1962 local
->hw_roc_skb
= NULL
;
1963 local
->hw_roc_skb_for_status
= NULL
;
1966 mutex_unlock(&local
->mtx
);
1971 list_for_each_entry(wk
, &local
->work_list
, list
) {
1972 if (wk
->sdata
!= sdata
)
1975 if (wk
->type
!= IEEE80211_WORK_OFFCHANNEL_TX
)
1978 if (cookie
!= (unsigned long) wk
->offchan_tx
.frame
)
1981 wk
->timeout
= jiffies
;
1983 ieee80211_queue_work(&local
->hw
, &local
->work_work
);
1987 mutex_unlock(&local
->mtx
);
1992 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
1993 struct net_device
*dev
,
1994 u16 frame_type
, bool reg
)
1996 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1998 if (frame_type
!= (IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
))
2002 local
->probe_req_reg
++;
2004 local
->probe_req_reg
--;
2006 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2009 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2011 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2016 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2019 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2021 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2023 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2026 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2028 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2030 return drv_set_ringparam(local
, tx
, rx
);
2033 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2034 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2036 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2038 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2041 struct cfg80211_ops mac80211_config_ops
= {
2042 .add_virtual_intf
= ieee80211_add_iface
,
2043 .del_virtual_intf
= ieee80211_del_iface
,
2044 .change_virtual_intf
= ieee80211_change_iface
,
2045 .add_key
= ieee80211_add_key
,
2046 .del_key
= ieee80211_del_key
,
2047 .get_key
= ieee80211_get_key
,
2048 .set_default_key
= ieee80211_config_default_key
,
2049 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
2050 .add_beacon
= ieee80211_add_beacon
,
2051 .set_beacon
= ieee80211_set_beacon
,
2052 .del_beacon
= ieee80211_del_beacon
,
2053 .add_station
= ieee80211_add_station
,
2054 .del_station
= ieee80211_del_station
,
2055 .change_station
= ieee80211_change_station
,
2056 .get_station
= ieee80211_get_station
,
2057 .dump_station
= ieee80211_dump_station
,
2058 .dump_survey
= ieee80211_dump_survey
,
2059 #ifdef CONFIG_MAC80211_MESH
2060 .add_mpath
= ieee80211_add_mpath
,
2061 .del_mpath
= ieee80211_del_mpath
,
2062 .change_mpath
= ieee80211_change_mpath
,
2063 .get_mpath
= ieee80211_get_mpath
,
2064 .dump_mpath
= ieee80211_dump_mpath
,
2065 .update_mesh_config
= ieee80211_update_mesh_config
,
2066 .get_mesh_config
= ieee80211_get_mesh_config
,
2067 .join_mesh
= ieee80211_join_mesh
,
2068 .leave_mesh
= ieee80211_leave_mesh
,
2070 .change_bss
= ieee80211_change_bss
,
2071 .set_txq_params
= ieee80211_set_txq_params
,
2072 .set_channel
= ieee80211_set_channel
,
2073 .suspend
= ieee80211_suspend
,
2074 .resume
= ieee80211_resume
,
2075 .scan
= ieee80211_scan
,
2076 .auth
= ieee80211_auth
,
2077 .assoc
= ieee80211_assoc
,
2078 .deauth
= ieee80211_deauth
,
2079 .disassoc
= ieee80211_disassoc
,
2080 .join_ibss
= ieee80211_join_ibss
,
2081 .leave_ibss
= ieee80211_leave_ibss
,
2082 .set_wiphy_params
= ieee80211_set_wiphy_params
,
2083 .set_tx_power
= ieee80211_set_tx_power
,
2084 .get_tx_power
= ieee80211_get_tx_power
,
2085 .set_wds_peer
= ieee80211_set_wds_peer
,
2086 .rfkill_poll
= ieee80211_rfkill_poll
,
2087 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
2088 .set_power_mgmt
= ieee80211_set_power_mgmt
,
2089 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
2090 .remain_on_channel
= ieee80211_remain_on_channel
,
2091 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
2092 .mgmt_tx
= ieee80211_mgmt_tx
,
2093 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
2094 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
2095 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
2096 .set_antenna
= ieee80211_set_antenna
,
2097 .get_antenna
= ieee80211_get_antenna
,
2098 .set_ringparam
= ieee80211_set_ringparam
,
2099 .get_ringparam
= ieee80211_get_ringparam
,