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 <linux/if_ether.h>
16 #include <net/cfg80211.h>
17 #include "ieee80211_i.h"
18 #include "driver-ops.h"
23 static struct net_device
*ieee80211_add_iface(struct wiphy
*wiphy
, char *name
,
24 enum nl80211_iftype type
,
26 struct vif_params
*params
)
28 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
29 struct net_device
*dev
;
30 struct ieee80211_sub_if_data
*sdata
;
33 err
= ieee80211_if_add(local
, name
, &dev
, type
, params
);
37 if (type
== NL80211_IFTYPE_MONITOR
&& flags
) {
38 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
39 sdata
->u
.mntr_flags
= *flags
;
45 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct net_device
*dev
)
47 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev
));
52 static int ieee80211_change_iface(struct wiphy
*wiphy
,
53 struct net_device
*dev
,
54 enum nl80211_iftype type
, u32
*flags
,
55 struct vif_params
*params
)
57 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
60 ret
= ieee80211_if_change_type(sdata
, type
);
64 if (type
== NL80211_IFTYPE_AP_VLAN
&&
65 params
&& params
->use_4addr
== 0)
66 RCU_INIT_POINTER(sdata
->u
.vlan
.sta
, NULL
);
67 else if (type
== NL80211_IFTYPE_STATION
&&
68 params
&& params
->use_4addr
>= 0)
69 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
71 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
&& flags
) {
72 struct ieee80211_local
*local
= sdata
->local
;
74 if (ieee80211_sdata_running(sdata
)) {
76 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
77 * changed while the interface is up.
78 * Else we would need to add a lot of cruft
79 * to update everything:
80 * cooked_mntrs, monitor and all fif_* counters
81 * reconfigure hardware
83 if ((*flags
& MONITOR_FLAG_COOK_FRAMES
) !=
84 (sdata
->u
.mntr_flags
& MONITOR_FLAG_COOK_FRAMES
))
87 ieee80211_adjust_monitor_flags(sdata
, -1);
88 sdata
->u
.mntr_flags
= *flags
;
89 ieee80211_adjust_monitor_flags(sdata
, 1);
91 ieee80211_configure_filter(local
);
94 * Because the interface is down, ieee80211_do_stop
95 * and ieee80211_do_open take care of "everything"
96 * mentioned in the comment above.
98 sdata
->u
.mntr_flags
= *flags
;
105 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
106 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
107 struct key_params
*params
)
109 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
110 struct sta_info
*sta
= NULL
;
111 struct ieee80211_key
*key
;
114 if (!ieee80211_sdata_running(sdata
))
117 /* reject WEP and TKIP keys if WEP failed to initialize */
118 switch (params
->cipher
) {
119 case WLAN_CIPHER_SUITE_WEP40
:
120 case WLAN_CIPHER_SUITE_TKIP
:
121 case WLAN_CIPHER_SUITE_WEP104
:
122 if (IS_ERR(sdata
->local
->wep_tx_tfm
))
129 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
130 params
->key
, params
->seq_len
, params
->seq
);
135 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
137 mutex_lock(&sdata
->local
->sta_mtx
);
140 if (ieee80211_vif_is_mesh(&sdata
->vif
))
141 sta
= sta_info_get(sdata
, mac_addr
);
143 sta
= sta_info_get_bss(sdata
, mac_addr
);
145 ieee80211_key_free(sdata
->local
, key
);
151 err
= ieee80211_key_link(key
, sdata
, sta
);
153 ieee80211_key_free(sdata
->local
, key
);
156 mutex_unlock(&sdata
->local
->sta_mtx
);
161 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
162 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
164 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
165 struct ieee80211_local
*local
= sdata
->local
;
166 struct sta_info
*sta
;
167 struct ieee80211_key
*key
= NULL
;
170 mutex_lock(&local
->sta_mtx
);
171 mutex_lock(&local
->key_mtx
);
176 sta
= sta_info_get_bss(sdata
, mac_addr
);
181 key
= key_mtx_dereference(local
, sta
->ptk
);
183 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
185 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
192 __ieee80211_key_free(key
);
196 mutex_unlock(&local
->key_mtx
);
197 mutex_unlock(&local
->sta_mtx
);
202 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
203 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
205 void (*callback
)(void *cookie
,
206 struct key_params
*params
))
208 struct ieee80211_sub_if_data
*sdata
;
209 struct sta_info
*sta
= NULL
;
211 struct key_params params
;
212 struct ieee80211_key
*key
= NULL
;
218 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
223 sta
= sta_info_get_bss(sdata
, mac_addr
);
228 key
= rcu_dereference(sta
->ptk
);
229 else if (key_idx
< NUM_DEFAULT_KEYS
)
230 key
= rcu_dereference(sta
->gtk
[key_idx
]);
232 key
= rcu_dereference(sdata
->keys
[key_idx
]);
237 memset(¶ms
, 0, sizeof(params
));
239 params
.cipher
= key
->conf
.cipher
;
241 switch (key
->conf
.cipher
) {
242 case WLAN_CIPHER_SUITE_TKIP
:
243 iv32
= key
->u
.tkip
.tx
.iv32
;
244 iv16
= key
->u
.tkip
.tx
.iv16
;
246 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
247 drv_get_tkip_seq(sdata
->local
,
248 key
->conf
.hw_key_idx
,
251 seq
[0] = iv16
& 0xff;
252 seq
[1] = (iv16
>> 8) & 0xff;
253 seq
[2] = iv32
& 0xff;
254 seq
[3] = (iv32
>> 8) & 0xff;
255 seq
[4] = (iv32
>> 16) & 0xff;
256 seq
[5] = (iv32
>> 24) & 0xff;
260 case WLAN_CIPHER_SUITE_CCMP
:
261 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
271 case WLAN_CIPHER_SUITE_AES_CMAC
:
272 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
284 params
.key
= key
->conf
.key
;
285 params
.key_len
= key
->conf
.keylen
;
287 callback(cookie
, ¶ms
);
295 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
296 struct net_device
*dev
,
297 u8 key_idx
, bool uni
,
300 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
302 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
307 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
308 struct net_device
*dev
,
311 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
313 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
318 static void rate_idx_to_bitrate(struct rate_info
*rate
, struct sta_info
*sta
, int idx
)
320 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
)) {
321 struct ieee80211_supported_band
*sband
;
322 sband
= sta
->local
->hw
.wiphy
->bands
[
323 sta
->local
->hw
.conf
.channel
->band
];
324 rate
->legacy
= sband
->bitrates
[idx
].bitrate
;
329 static void sta_set_sinfo(struct sta_info
*sta
, struct station_info
*sinfo
)
331 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
332 struct timespec uptime
;
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
|
347 STATION_INFO_CONNECTED_TIME
|
348 STATION_INFO_STA_FLAGS
;
350 do_posix_clock_monotonic_gettime(&uptime
);
351 sinfo
->connected_time
= uptime
.tv_sec
- sta
->last_connected
;
353 sinfo
->inactive_time
= jiffies_to_msecs(jiffies
- sta
->last_rx
);
354 sinfo
->rx_bytes
= sta
->rx_bytes
;
355 sinfo
->tx_bytes
= sta
->tx_bytes
;
356 sinfo
->rx_packets
= sta
->rx_packets
;
357 sinfo
->tx_packets
= sta
->tx_packets
;
358 sinfo
->tx_retries
= sta
->tx_retry_count
;
359 sinfo
->tx_failed
= sta
->tx_retry_failed
;
360 sinfo
->rx_dropped_misc
= sta
->rx_dropped
;
362 if ((sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
) ||
363 (sta
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_UNSPEC
)) {
364 sinfo
->filled
|= STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
365 sinfo
->signal
= (s8
)sta
->last_signal
;
366 sinfo
->signal_avg
= (s8
) -ewma_read(&sta
->avg_signal
);
369 sinfo
->txrate
.flags
= 0;
370 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_MCS
)
371 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
372 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
373 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
374 if (sta
->last_tx_rate
.flags
& IEEE80211_TX_RC_SHORT_GI
)
375 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
376 rate_idx_to_bitrate(&sinfo
->txrate
, sta
, sta
->last_tx_rate
.idx
);
378 sinfo
->rxrate
.flags
= 0;
379 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
)
380 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_MCS
;
381 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
382 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
383 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
384 sinfo
->rxrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
385 rate_idx_to_bitrate(&sinfo
->rxrate
, sta
, sta
->last_rx_rate_idx
);
387 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
388 #ifdef CONFIG_MAC80211_MESH
389 sinfo
->filled
|= STATION_INFO_LLID
|
391 STATION_INFO_PLINK_STATE
;
393 sinfo
->llid
= le16_to_cpu(sta
->llid
);
394 sinfo
->plid
= le16_to_cpu(sta
->plid
);
395 sinfo
->plink_state
= sta
->plink_state
;
399 sinfo
->bss_param
.flags
= 0;
400 if (sdata
->vif
.bss_conf
.use_cts_prot
)
401 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_CTS_PROT
;
402 if (sdata
->vif
.bss_conf
.use_short_preamble
)
403 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
404 if (sdata
->vif
.bss_conf
.use_short_slot
)
405 sinfo
->bss_param
.flags
|= BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
406 sinfo
->bss_param
.dtim_period
= sdata
->local
->hw
.conf
.ps_dtim_period
;
407 sinfo
->bss_param
.beacon_interval
= sdata
->vif
.bss_conf
.beacon_int
;
409 sinfo
->sta_flags
.set
= 0;
410 sinfo
->sta_flags
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
411 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
412 BIT(NL80211_STA_FLAG_WME
) |
413 BIT(NL80211_STA_FLAG_MFP
) |
414 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
415 BIT(NL80211_STA_FLAG_TDLS_PEER
);
416 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
417 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
418 if (test_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
))
419 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
420 if (test_sta_flag(sta
, WLAN_STA_WME
))
421 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_WME
);
422 if (test_sta_flag(sta
, WLAN_STA_MFP
))
423 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_MFP
);
424 if (test_sta_flag(sta
, WLAN_STA_AUTH
))
425 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
426 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
427 sinfo
->sta_flags
.set
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
431 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
432 int idx
, u8
*mac
, struct station_info
*sinfo
)
434 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
435 struct sta_info
*sta
;
440 sta
= sta_info_get_by_idx(sdata
, idx
);
443 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
444 sta_set_sinfo(sta
, sinfo
);
452 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
453 int idx
, struct survey_info
*survey
)
455 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
457 return drv_get_survey(local
, idx
, survey
);
460 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
461 u8
*mac
, struct station_info
*sinfo
)
463 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
464 struct sta_info
*sta
;
469 sta
= sta_info_get_bss(sdata
, mac
);
472 sta_set_sinfo(sta
, sinfo
);
480 static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data
*sdata
,
481 struct beacon_parameters
*params
)
483 struct ieee80211_bss_conf
*bss_conf
= &sdata
->vif
.bss_conf
;
485 bss_conf
->ssid_len
= params
->ssid_len
;
487 if (params
->ssid_len
)
488 memcpy(bss_conf
->ssid
, params
->ssid
, params
->ssid_len
);
490 bss_conf
->hidden_ssid
=
491 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
494 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
495 u8
*resp
, size_t resp_len
)
497 struct sk_buff
*new, *old
;
499 if (!resp
|| !resp_len
)
502 old
= sdata
->u
.ap
.probe_resp
;
504 new = dev_alloc_skb(resp_len
);
508 memcpy(skb_put(new, resp_len
), resp
, resp_len
);
510 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
520 * This handles both adding a beacon and setting new beacon info
522 static int ieee80211_config_beacon(struct ieee80211_sub_if_data
*sdata
,
523 struct beacon_parameters
*params
)
525 struct beacon_data
*new, *old
;
526 int new_head_len
, new_tail_len
;
531 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
533 /* head must not be zero-length */
534 if (params
->head
&& !params
->head_len
)
538 * This is a kludge. beacon interval should really be part
539 * of the beacon information.
541 if (params
->interval
&&
542 (sdata
->vif
.bss_conf
.beacon_int
!= params
->interval
)) {
543 sdata
->vif
.bss_conf
.beacon_int
= params
->interval
;
544 ieee80211_bss_info_change_notify(sdata
,
545 BSS_CHANGED_BEACON_INT
);
548 /* Need to have a beacon head if we don't have one yet */
549 if (!params
->head
&& !old
)
552 /* sorry, no way to start beaconing without dtim period */
553 if (!params
->dtim_period
&& !old
)
556 /* new or old head? */
558 new_head_len
= params
->head_len
;
560 new_head_len
= old
->head_len
;
562 /* new or old tail? */
563 if (params
->tail
|| !old
)
564 /* params->tail_len will be zero for !params->tail */
565 new_tail_len
= params
->tail_len
;
567 new_tail_len
= old
->tail_len
;
569 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
571 new = kzalloc(size
, GFP_KERNEL
);
575 /* start filling the new info now */
577 /* new or old dtim period? */
578 if (params
->dtim_period
)
579 new->dtim_period
= params
->dtim_period
;
581 new->dtim_period
= old
->dtim_period
;
584 * pointers go into the block we allocated,
585 * memory is | beacon_data | head | tail |
587 new->head
= ((u8
*) new) + sizeof(*new);
588 new->tail
= new->head
+ new_head_len
;
589 new->head_len
= new_head_len
;
590 new->tail_len
= new_tail_len
;
594 memcpy(new->head
, params
->head
, new_head_len
);
596 memcpy(new->head
, old
->head
, new_head_len
);
598 /* copy in optional tail */
600 memcpy(new->tail
, params
->tail
, new_tail_len
);
603 memcpy(new->tail
, old
->tail
, new_tail_len
);
605 sdata
->vif
.bss_conf
.dtim_period
= new->dtim_period
;
607 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, new);
613 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
614 params
->probe_resp_len
);
616 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
618 ieee80211_config_ap_ssid(sdata
, params
);
619 changed
|= BSS_CHANGED_BEACON_ENABLED
|
623 ieee80211_bss_info_change_notify(sdata
, changed
);
627 static int ieee80211_add_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
628 struct beacon_parameters
*params
)
630 struct ieee80211_sub_if_data
*sdata
;
631 struct beacon_data
*old
;
632 struct ieee80211_sub_if_data
*vlan
;
635 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
637 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
641 ret
= ieee80211_config_beacon(sdata
, params
);
646 * Apply control port protocol, this allows us to
647 * not encrypt dynamic WEP control frames.
649 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
650 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
651 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
652 vlan
->control_port_protocol
=
653 params
->crypto
.control_port_ethertype
;
654 vlan
->control_port_no_encrypt
=
655 params
->crypto
.control_port_no_encrypt
;
661 static int ieee80211_set_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
662 struct beacon_parameters
*params
)
664 struct ieee80211_sub_if_data
*sdata
;
665 struct beacon_data
*old
;
667 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
669 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
673 return ieee80211_config_beacon(sdata
, params
);
676 static int ieee80211_del_beacon(struct wiphy
*wiphy
, struct net_device
*dev
)
678 struct ieee80211_sub_if_data
*sdata
;
679 struct beacon_data
*old
;
681 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
683 old
= rtnl_dereference(sdata
->u
.ap
.beacon
);
687 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
691 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
695 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
696 struct iapp_layer2_update
{
697 u8 da
[ETH_ALEN
]; /* broadcast */
698 u8 sa
[ETH_ALEN
]; /* STA addr */
706 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
708 struct iapp_layer2_update
*msg
;
711 /* Send Level 2 Update Frame to update forwarding tables in layer 2
714 skb
= dev_alloc_skb(sizeof(*msg
));
717 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
719 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
720 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
722 memset(msg
->da
, 0xff, ETH_ALEN
);
723 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
726 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
727 msg
->control
= 0xaf; /* XID response lsb.1111F101.
728 * F=0 (no poll command; unsolicited frame) */
729 msg
->xid_info
[0] = 0x81; /* XID format identifier */
730 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
731 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
733 skb
->dev
= sta
->sdata
->dev
;
734 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
735 memset(skb
->cb
, 0, sizeof(skb
->cb
));
739 static void sta_apply_parameters(struct ieee80211_local
*local
,
740 struct sta_info
*sta
,
741 struct station_parameters
*params
)
745 struct ieee80211_supported_band
*sband
;
746 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
749 sband
= local
->hw
.wiphy
->bands
[local
->oper_channel
->band
];
751 mask
= params
->sta_flags_mask
;
752 set
= params
->sta_flags_set
;
754 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
755 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
756 set_sta_flag(sta
, WLAN_STA_AUTHORIZED
);
758 clear_sta_flag(sta
, WLAN_STA_AUTHORIZED
);
761 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
762 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
763 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
765 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
768 if (mask
& BIT(NL80211_STA_FLAG_WME
)) {
769 if (set
& BIT(NL80211_STA_FLAG_WME
)) {
770 set_sta_flag(sta
, WLAN_STA_WME
);
773 clear_sta_flag(sta
, WLAN_STA_WME
);
774 sta
->sta
.wme
= false;
778 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
779 if (set
& BIT(NL80211_STA_FLAG_MFP
))
780 set_sta_flag(sta
, WLAN_STA_MFP
);
782 clear_sta_flag(sta
, WLAN_STA_MFP
);
785 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) {
786 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
787 set_sta_flag(sta
, WLAN_STA_AUTH
);
789 clear_sta_flag(sta
, WLAN_STA_AUTH
);
792 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
793 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
794 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
796 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
799 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
800 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
801 sta
->sta
.max_sp
= params
->max_sp
;
805 * cfg80211 validates this (1-2007) and allows setting the AID
806 * only when creating a new station entry
809 sta
->sta
.aid
= params
->aid
;
812 * FIXME: updating the following information is racy when this
813 * function is called from ieee80211_change_station().
814 * However, all this information should be static so
815 * maybe we should just reject attemps to change it.
818 if (params
->listen_interval
>= 0)
819 sta
->listen_interval
= params
->listen_interval
;
821 if (params
->supported_rates
) {
824 for (i
= 0; i
< params
->supported_rates_len
; i
++) {
825 int rate
= (params
->supported_rates
[i
] & 0x7f) * 5;
826 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
827 if (sband
->bitrates
[j
].bitrate
== rate
)
831 sta
->sta
.supp_rates
[local
->oper_channel
->band
] = rates
;
835 ieee80211_ht_cap_ie_to_sta_ht_cap(sband
,
839 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
840 #ifdef CONFIG_MAC80211_MESH
841 if (sdata
->u
.mesh
.security
& IEEE80211_MESH_SEC_SECURED
)
842 switch (params
->plink_state
) {
843 case NL80211_PLINK_LISTEN
:
844 case NL80211_PLINK_ESTAB
:
845 case NL80211_PLINK_BLOCKED
:
846 sta
->plink_state
= params
->plink_state
;
853 switch (params
->plink_action
) {
854 case PLINK_ACTION_OPEN
:
855 mesh_plink_open(sta
);
857 case PLINK_ACTION_BLOCK
:
858 mesh_plink_block(sta
);
865 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
866 u8
*mac
, struct station_parameters
*params
)
868 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
869 struct sta_info
*sta
;
870 struct ieee80211_sub_if_data
*sdata
;
875 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
877 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
878 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
881 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
883 if (compare_ether_addr(mac
, sdata
->vif
.addr
) == 0)
886 if (is_multicast_ether_addr(mac
))
889 /* Only TDLS-supporting stations can add TDLS peers */
890 if ((params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
891 !((wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
892 sdata
->vif
.type
== NL80211_IFTYPE_STATION
))
895 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
899 set_sta_flag(sta
, WLAN_STA_AUTH
);
900 set_sta_flag(sta
, WLAN_STA_ASSOC
);
902 sta_apply_parameters(local
, sta
, params
);
905 * for TDLS, rate control should be initialized only when supported
908 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
909 rate_control_rate_init(sta
);
911 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
912 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
914 err
= sta_info_insert_rcu(sta
);
921 ieee80211_send_layer2_update(sta
);
928 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
931 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
932 struct ieee80211_sub_if_data
*sdata
;
934 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
937 return sta_info_destroy_addr_bss(sdata
, mac
);
939 sta_info_flush(local
, sdata
);
943 static int ieee80211_change_station(struct wiphy
*wiphy
,
944 struct net_device
*dev
,
946 struct station_parameters
*params
)
948 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
949 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
950 struct sta_info
*sta
;
951 struct ieee80211_sub_if_data
*vlansdata
;
955 sta
= sta_info_get_bss(sdata
, mac
);
961 /* The TDLS bit cannot be toggled after the STA was added */
962 if ((params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
963 !!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) !=
964 !!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
969 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
970 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
972 if (vlansdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
973 vlansdata
->vif
.type
!= NL80211_IFTYPE_AP
) {
978 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
979 if (vlansdata
->u
.vlan
.sta
) {
984 RCU_INIT_POINTER(vlansdata
->u
.vlan
.sta
, sta
);
987 sta
->sdata
= vlansdata
;
988 ieee80211_send_layer2_update(sta
);
991 sta_apply_parameters(local
, sta
, params
);
993 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) && params
->supported_rates
)
994 rate_control_rate_init(sta
);
998 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
999 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1000 ieee80211_recalc_ps(local
, -1);
1005 #ifdef CONFIG_MAC80211_MESH
1006 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1007 u8
*dst
, u8
*next_hop
)
1009 struct ieee80211_sub_if_data
*sdata
;
1010 struct mesh_path
*mpath
;
1011 struct sta_info
*sta
;
1014 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1017 sta
= sta_info_get(sdata
, next_hop
);
1023 err
= mesh_path_add(dst
, sdata
);
1029 mpath
= mesh_path_lookup(dst
, sdata
);
1034 mesh_path_fix_nexthop(mpath
, sta
);
1040 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1043 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1046 return mesh_path_del(dst
, sdata
);
1048 mesh_path_flush_by_iface(sdata
);
1052 static int ieee80211_change_mpath(struct wiphy
*wiphy
,
1053 struct net_device
*dev
,
1054 u8
*dst
, u8
*next_hop
)
1056 struct ieee80211_sub_if_data
*sdata
;
1057 struct mesh_path
*mpath
;
1058 struct sta_info
*sta
;
1060 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1064 sta
= sta_info_get(sdata
, next_hop
);
1070 mpath
= mesh_path_lookup(dst
, sdata
);
1076 mesh_path_fix_nexthop(mpath
, sta
);
1082 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1083 struct mpath_info
*pinfo
)
1085 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1088 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1090 memset(next_hop
, 0, ETH_ALEN
);
1092 pinfo
->generation
= mesh_paths_generation
;
1094 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1097 MPATH_INFO_EXPTIME
|
1098 MPATH_INFO_DISCOVERY_TIMEOUT
|
1099 MPATH_INFO_DISCOVERY_RETRIES
|
1102 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1103 pinfo
->sn
= mpath
->sn
;
1104 pinfo
->metric
= mpath
->metric
;
1105 if (time_before(jiffies
, mpath
->exp_time
))
1106 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1107 pinfo
->discovery_timeout
=
1108 jiffies_to_msecs(mpath
->discovery_timeout
);
1109 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1111 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1112 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1113 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1114 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1115 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1116 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1117 if (mpath
->flags
& MESH_PATH_FIXED
)
1118 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1119 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1120 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1122 pinfo
->flags
= mpath
->flags
;
1125 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1126 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1129 struct ieee80211_sub_if_data
*sdata
;
1130 struct mesh_path
*mpath
;
1132 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1135 mpath
= mesh_path_lookup(dst
, sdata
);
1140 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1141 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1146 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1147 int idx
, u8
*dst
, u8
*next_hop
,
1148 struct mpath_info
*pinfo
)
1150 struct ieee80211_sub_if_data
*sdata
;
1151 struct mesh_path
*mpath
;
1153 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1156 mpath
= mesh_path_lookup_by_idx(idx
, sdata
);
1161 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1162 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1167 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1168 struct net_device
*dev
,
1169 struct mesh_config
*conf
)
1171 struct ieee80211_sub_if_data
*sdata
;
1172 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1174 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1178 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1180 return (mask
>> (parm
-1)) & 0x1;
1183 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1184 const struct mesh_setup
*setup
)
1189 /* allocate information elements */
1193 if (setup
->ie_len
) {
1194 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1199 ifmsh
->ie_len
= setup
->ie_len
;
1203 /* now copy the rest of the setup parameters */
1204 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1205 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1206 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1207 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1208 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1209 if (setup
->is_authenticated
)
1210 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1211 if (setup
->is_secure
)
1212 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1217 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1218 struct net_device
*dev
, u32 mask
,
1219 const struct mesh_config
*nconf
)
1221 struct mesh_config
*conf
;
1222 struct ieee80211_sub_if_data
*sdata
;
1223 struct ieee80211_if_mesh
*ifmsh
;
1225 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1226 ifmsh
= &sdata
->u
.mesh
;
1228 /* Set the config options which we are interested in setting */
1229 conf
= &(sdata
->u
.mesh
.mshcfg
);
1230 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1231 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1232 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1233 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1234 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1235 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1236 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1237 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1238 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1239 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1240 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1241 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1242 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1243 conf
->dot11MeshTTL
= nconf
->element_ttl
;
1244 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
))
1245 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1246 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1247 conf
->dot11MeshHWMPmaxPREQretries
=
1248 nconf
->dot11MeshHWMPmaxPREQretries
;
1249 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1250 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1251 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1252 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1253 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1254 conf
->dot11MeshHWMPactivePathTimeout
=
1255 nconf
->dot11MeshHWMPactivePathTimeout
;
1256 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1257 conf
->dot11MeshHWMPpreqMinInterval
=
1258 nconf
->dot11MeshHWMPpreqMinInterval
;
1259 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1261 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1262 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1263 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1264 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1265 ieee80211_mesh_root_setup(ifmsh
);
1267 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1268 /* our current gate announcement implementation rides on root
1269 * announcements, so require this ifmsh to also be a root node
1271 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1272 !conf
->dot11MeshHWMPRootMode
) {
1273 conf
->dot11MeshHWMPRootMode
= 1;
1274 ieee80211_mesh_root_setup(ifmsh
);
1276 conf
->dot11MeshGateAnnouncementProtocol
=
1277 nconf
->dot11MeshGateAnnouncementProtocol
;
1279 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
)) {
1280 conf
->dot11MeshHWMPRannInterval
=
1281 nconf
->dot11MeshHWMPRannInterval
;
1286 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1287 const struct mesh_config
*conf
,
1288 const struct mesh_setup
*setup
)
1290 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1291 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1294 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1295 err
= copy_mesh_setup(ifmsh
, setup
);
1298 ieee80211_start_mesh(sdata
);
1303 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1305 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1307 ieee80211_stop_mesh(sdata
);
1313 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1314 struct net_device
*dev
,
1315 struct bss_parameters
*params
)
1317 struct ieee80211_sub_if_data
*sdata
;
1320 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1322 if (params
->use_cts_prot
>= 0) {
1323 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1324 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1326 if (params
->use_short_preamble
>= 0) {
1327 sdata
->vif
.bss_conf
.use_short_preamble
=
1328 params
->use_short_preamble
;
1329 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1332 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1333 sdata
->local
->hw
.conf
.channel
->band
== IEEE80211_BAND_5GHZ
) {
1334 sdata
->vif
.bss_conf
.use_short_slot
= true;
1335 changed
|= BSS_CHANGED_ERP_SLOT
;
1338 if (params
->use_short_slot_time
>= 0) {
1339 sdata
->vif
.bss_conf
.use_short_slot
=
1340 params
->use_short_slot_time
;
1341 changed
|= BSS_CHANGED_ERP_SLOT
;
1344 if (params
->basic_rates
) {
1347 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1348 struct ieee80211_supported_band
*sband
=
1349 wiphy
->bands
[local
->oper_channel
->band
];
1351 for (i
= 0; i
< params
->basic_rates_len
; i
++) {
1352 int rate
= (params
->basic_rates
[i
] & 0x7f) * 5;
1353 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
1354 if (sband
->bitrates
[j
].bitrate
== rate
)
1358 sdata
->vif
.bss_conf
.basic_rates
= rates
;
1359 changed
|= BSS_CHANGED_BASIC_RATES
;
1362 if (params
->ap_isolate
>= 0) {
1363 if (params
->ap_isolate
)
1364 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1366 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1369 if (params
->ht_opmode
>= 0) {
1370 sdata
->vif
.bss_conf
.ht_operation_mode
=
1371 (u16
) params
->ht_opmode
;
1372 changed
|= BSS_CHANGED_HT
;
1375 ieee80211_bss_info_change_notify(sdata
, changed
);
1380 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1381 struct net_device
*dev
,
1382 struct ieee80211_txq_params
*params
)
1384 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1385 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1386 struct ieee80211_tx_queue_params p
;
1388 if (!local
->ops
->conf_tx
)
1391 memset(&p
, 0, sizeof(p
));
1392 p
.aifs
= params
->aifs
;
1393 p
.cw_max
= params
->cwmax
;
1394 p
.cw_min
= params
->cwmin
;
1395 p
.txop
= params
->txop
;
1398 * Setting tx queue params disables u-apsd because it's only
1399 * called in master mode.
1403 if (params
->queue
>= local
->hw
.queues
)
1406 sdata
->tx_conf
[params
->queue
] = p
;
1407 if (drv_conf_tx(local
, sdata
, params
->queue
, &p
)) {
1408 wiphy_debug(local
->hw
.wiphy
,
1409 "failed to set TX queue parameters for queue %d\n",
1417 static int ieee80211_set_channel(struct wiphy
*wiphy
,
1418 struct net_device
*netdev
,
1419 struct ieee80211_channel
*chan
,
1420 enum nl80211_channel_type channel_type
)
1422 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1423 struct ieee80211_sub_if_data
*sdata
= NULL
;
1424 struct ieee80211_channel
*old_oper
;
1425 enum nl80211_channel_type old_oper_type
;
1426 enum nl80211_channel_type old_vif_oper_type
= NL80211_CHAN_NO_HT
;
1429 sdata
= IEEE80211_DEV_TO_SUB_IF(netdev
);
1431 switch (ieee80211_get_channel_mode(local
, NULL
)) {
1432 case CHAN_MODE_HOPPING
:
1434 case CHAN_MODE_FIXED
:
1435 if (local
->oper_channel
!= chan
)
1437 if (!sdata
&& local
->_oper_channel_type
== channel_type
)
1440 case CHAN_MODE_UNDEFINED
:
1445 old_vif_oper_type
= sdata
->vif
.bss_conf
.channel_type
;
1446 old_oper_type
= local
->_oper_channel_type
;
1448 if (!ieee80211_set_channel_type(local
, sdata
, channel_type
))
1451 old_oper
= local
->oper_channel
;
1452 local
->oper_channel
= chan
;
1454 /* Update driver if changes were actually made. */
1455 if ((old_oper
!= local
->oper_channel
) ||
1456 (old_oper_type
!= local
->_oper_channel_type
))
1457 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_CHANNEL
);
1459 if (sdata
&& sdata
->vif
.type
!= NL80211_IFTYPE_MONITOR
&&
1460 old_vif_oper_type
!= sdata
->vif
.bss_conf
.channel_type
)
1461 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1467 static int ieee80211_suspend(struct wiphy
*wiphy
,
1468 struct cfg80211_wowlan
*wowlan
)
1470 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1473 static int ieee80211_resume(struct wiphy
*wiphy
)
1475 return __ieee80211_resume(wiphy_priv(wiphy
));
1478 #define ieee80211_suspend NULL
1479 #define ieee80211_resume NULL
1482 static int ieee80211_scan(struct wiphy
*wiphy
,
1483 struct net_device
*dev
,
1484 struct cfg80211_scan_request
*req
)
1486 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1488 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1489 case NL80211_IFTYPE_STATION
:
1490 case NL80211_IFTYPE_ADHOC
:
1491 case NL80211_IFTYPE_MESH_POINT
:
1492 case NL80211_IFTYPE_P2P_CLIENT
:
1494 case NL80211_IFTYPE_P2P_GO
:
1495 if (sdata
->local
->ops
->hw_scan
)
1498 * FIXME: implement NoA while scanning in software,
1499 * for now fall through to allow scanning only when
1500 * beaconing hasn't been configured yet
1502 case NL80211_IFTYPE_AP
:
1503 if (sdata
->u
.ap
.beacon
)
1510 return ieee80211_request_scan(sdata
, req
);
1514 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1515 struct net_device
*dev
,
1516 struct cfg80211_sched_scan_request
*req
)
1518 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1520 if (!sdata
->local
->ops
->sched_scan_start
)
1523 return ieee80211_request_sched_scan_start(sdata
, req
);
1527 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1529 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1531 if (!sdata
->local
->ops
->sched_scan_stop
)
1534 return ieee80211_request_sched_scan_stop(sdata
);
1537 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1538 struct cfg80211_auth_request
*req
)
1540 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1543 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1544 struct cfg80211_assoc_request
*req
)
1546 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1547 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1549 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1550 case CHAN_MODE_HOPPING
:
1552 case CHAN_MODE_FIXED
:
1553 if (local
->oper_channel
== req
->bss
->channel
)
1556 case CHAN_MODE_UNDEFINED
:
1560 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1563 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1564 struct cfg80211_deauth_request
*req
,
1567 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
),
1571 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1572 struct cfg80211_disassoc_request
*req
,
1575 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
),
1579 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1580 struct cfg80211_ibss_params
*params
)
1582 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1583 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1585 switch (ieee80211_get_channel_mode(local
, sdata
)) {
1586 case CHAN_MODE_HOPPING
:
1588 case CHAN_MODE_FIXED
:
1589 if (!params
->channel_fixed
)
1591 if (local
->oper_channel
== params
->channel
)
1594 case CHAN_MODE_UNDEFINED
:
1598 return ieee80211_ibss_join(sdata
, params
);
1601 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1603 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1605 return ieee80211_ibss_leave(sdata
);
1608 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1610 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1613 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1614 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
1620 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
) {
1621 err
= drv_set_coverage_class(local
, wiphy
->coverage_class
);
1627 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1628 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
1634 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1635 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
1636 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1637 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
1639 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
1640 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
1645 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
1646 enum nl80211_tx_power_setting type
, int mbm
)
1648 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1649 struct ieee80211_channel
*chan
= local
->hw
.conf
.channel
;
1653 case NL80211_TX_POWER_AUTOMATIC
:
1654 local
->user_power_level
= -1;
1656 case NL80211_TX_POWER_LIMITED
:
1657 if (mbm
< 0 || (mbm
% 100))
1659 local
->user_power_level
= MBM_TO_DBM(mbm
);
1661 case NL80211_TX_POWER_FIXED
:
1662 if (mbm
< 0 || (mbm
% 100))
1664 /* TODO: move to cfg80211 when it knows the channel */
1665 if (MBM_TO_DBM(mbm
) > chan
->max_power
)
1667 local
->user_power_level
= MBM_TO_DBM(mbm
);
1671 ieee80211_hw_config(local
, changes
);
1676 static int ieee80211_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1678 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1680 *dbm
= local
->hw
.conf
.power_level
;
1685 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
1688 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1690 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
1695 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
1697 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1699 drv_rfkill_poll(local
);
1702 #ifdef CONFIG_NL80211_TESTMODE
1703 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
, void *data
, int len
)
1705 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1707 if (!local
->ops
->testmode_cmd
)
1710 return local
->ops
->testmode_cmd(&local
->hw
, data
, len
);
1713 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
1714 struct sk_buff
*skb
,
1715 struct netlink_callback
*cb
,
1716 void *data
, int len
)
1718 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1720 if (!local
->ops
->testmode_dump
)
1723 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
1727 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
1728 enum ieee80211_smps_mode smps_mode
)
1731 enum ieee80211_smps_mode old_req
;
1734 lockdep_assert_held(&sdata
->u
.mgd
.mtx
);
1736 old_req
= sdata
->u
.mgd
.req_smps
;
1737 sdata
->u
.mgd
.req_smps
= smps_mode
;
1739 if (old_req
== smps_mode
&&
1740 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
1744 * If not associated, or current association is not an HT
1745 * association, there's no need to send an action frame.
1747 if (!sdata
->u
.mgd
.associated
||
1748 sdata
->vif
.bss_conf
.channel_type
== NL80211_CHAN_NO_HT
) {
1749 mutex_lock(&sdata
->local
->iflist_mtx
);
1750 ieee80211_recalc_smps(sdata
->local
);
1751 mutex_unlock(&sdata
->local
->iflist_mtx
);
1755 ap
= sdata
->u
.mgd
.associated
->bssid
;
1757 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
1758 if (sdata
->u
.mgd
.powersave
)
1759 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
1761 smps_mode
= IEEE80211_SMPS_OFF
;
1764 /* send SM PS frame to AP */
1765 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
1768 sdata
->u
.mgd
.req_smps
= old_req
;
1773 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
1774 bool enabled
, int timeout
)
1776 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1777 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1779 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
1782 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
1785 if (enabled
== sdata
->u
.mgd
.powersave
&&
1786 timeout
== local
->dynamic_ps_forced_timeout
)
1789 sdata
->u
.mgd
.powersave
= enabled
;
1790 local
->dynamic_ps_forced_timeout
= timeout
;
1792 /* no change, but if automatic follow powersave */
1793 mutex_lock(&sdata
->u
.mgd
.mtx
);
1794 __ieee80211_request_smps(sdata
, sdata
->u
.mgd
.req_smps
);
1795 mutex_unlock(&sdata
->u
.mgd
.mtx
);
1797 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
1798 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
1800 ieee80211_recalc_ps(local
, -1);
1805 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
1806 struct net_device
*dev
,
1807 s32 rssi_thold
, u32 rssi_hyst
)
1809 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1810 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1811 struct ieee80211_vif
*vif
= &sdata
->vif
;
1812 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
1814 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
1815 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
1818 bss_conf
->cqm_rssi_thold
= rssi_thold
;
1819 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
1821 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_CQM_RSSI
)) {
1822 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
1827 /* tell the driver upon association, unless already associated */
1828 if (sdata
->u
.mgd
.associated
)
1829 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
1834 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
1835 struct net_device
*dev
,
1837 const struct cfg80211_bitrate_mask
*mask
)
1839 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1840 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
1843 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
1844 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
1849 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
1850 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
1855 static int ieee80211_remain_on_channel_hw(struct ieee80211_local
*local
,
1856 struct net_device
*dev
,
1857 struct ieee80211_channel
*chan
,
1858 enum nl80211_channel_type chantype
,
1859 unsigned int duration
, u64
*cookie
)
1864 lockdep_assert_held(&local
->mtx
);
1866 if (local
->hw_roc_cookie
)
1868 /* must be nonzero */
1869 random_cookie
= random32() | 1;
1871 *cookie
= random_cookie
;
1872 local
->hw_roc_dev
= dev
;
1873 local
->hw_roc_cookie
= random_cookie
;
1874 local
->hw_roc_channel
= chan
;
1875 local
->hw_roc_channel_type
= chantype
;
1876 local
->hw_roc_duration
= duration
;
1877 ret
= drv_remain_on_channel(local
, chan
, chantype
, duration
);
1879 local
->hw_roc_channel
= NULL
;
1880 local
->hw_roc_cookie
= 0;
1886 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
1887 struct net_device
*dev
,
1888 struct ieee80211_channel
*chan
,
1889 enum nl80211_channel_type channel_type
,
1890 unsigned int duration
,
1893 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1894 struct ieee80211_local
*local
= sdata
->local
;
1896 if (local
->ops
->remain_on_channel
) {
1899 mutex_lock(&local
->mtx
);
1900 ret
= ieee80211_remain_on_channel_hw(local
, dev
,
1903 local
->hw_roc_for_tx
= false;
1904 mutex_unlock(&local
->mtx
);
1909 return ieee80211_wk_remain_on_channel(sdata
, chan
, channel_type
,
1913 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local
*local
,
1918 lockdep_assert_held(&local
->mtx
);
1920 if (local
->hw_roc_cookie
!= cookie
)
1923 ret
= drv_cancel_remain_on_channel(local
);
1927 local
->hw_roc_cookie
= 0;
1928 local
->hw_roc_channel
= NULL
;
1930 ieee80211_recalc_idle(local
);
1935 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
1936 struct net_device
*dev
,
1939 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1940 struct ieee80211_local
*local
= sdata
->local
;
1942 if (local
->ops
->cancel_remain_on_channel
) {
1945 mutex_lock(&local
->mtx
);
1946 ret
= ieee80211_cancel_remain_on_channel_hw(local
, cookie
);
1947 mutex_unlock(&local
->mtx
);
1952 return ieee80211_wk_cancel_remain_on_channel(sdata
, cookie
);
1955 static enum work_done_result
1956 ieee80211_offchan_tx_done(struct ieee80211_work
*wk
, struct sk_buff
*skb
)
1959 * Use the data embedded in the work struct for reporting
1960 * here so if the driver mangled the SKB before dropping
1961 * it (which is the only way we really should get here)
1962 * then we don't report mangled data.
1964 * If there was no wait time, then by the time we get here
1965 * the driver will likely not have reported the status yet,
1966 * so in that case userspace will have to deal with it.
1969 if (wk
->offchan_tx
.wait
&& !wk
->offchan_tx
.status
)
1970 cfg80211_mgmt_tx_status(wk
->sdata
->dev
,
1971 (unsigned long) wk
->offchan_tx
.frame
,
1972 wk
->ie
, wk
->ie_len
, false, GFP_KERNEL
);
1974 return WORK_DONE_DESTROY
;
1977 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct net_device
*dev
,
1978 struct ieee80211_channel
*chan
, bool offchan
,
1979 enum nl80211_channel_type channel_type
,
1980 bool channel_type_valid
, unsigned int wait
,
1981 const u8
*buf
, size_t len
, bool no_cck
,
1982 bool dont_wait_for_ack
, u64
*cookie
)
1984 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1985 struct ieee80211_local
*local
= sdata
->local
;
1986 struct sk_buff
*skb
;
1987 struct sta_info
*sta
;
1988 struct ieee80211_work
*wk
;
1989 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
1991 bool is_offchan
= false;
1993 if (dont_wait_for_ack
)
1994 flags
= IEEE80211_TX_CTL_NO_ACK
;
1996 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
1997 IEEE80211_TX_CTL_REQ_TX_STATUS
;
1999 /* Check that we are on the requested channel for transmission */
2000 if (chan
!= local
->tmp_channel
&&
2001 chan
!= local
->oper_channel
)
2003 if (channel_type_valid
&&
2004 (channel_type
!= local
->tmp_channel_type
&&
2005 channel_type
!= local
->_oper_channel_type
))
2008 if (chan
== local
->hw_roc_channel
) {
2009 /* TODO: check channel type? */
2011 flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2015 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
2017 if (is_offchan
&& !offchan
)
2020 switch (sdata
->vif
.type
) {
2021 case NL80211_IFTYPE_ADHOC
:
2022 case NL80211_IFTYPE_AP
:
2023 case NL80211_IFTYPE_AP_VLAN
:
2024 case NL80211_IFTYPE_P2P_GO
:
2025 case NL80211_IFTYPE_MESH_POINT
:
2026 if (!ieee80211_is_action(mgmt
->frame_control
) ||
2027 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
)
2030 sta
= sta_info_get(sdata
, mgmt
->da
);
2035 case NL80211_IFTYPE_STATION
:
2036 case NL80211_IFTYPE_P2P_CLIENT
:
2042 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ len
);
2045 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2047 memcpy(skb_put(skb
, len
), buf
, len
);
2049 IEEE80211_SKB_CB(skb
)->flags
= flags
;
2051 skb
->dev
= sdata
->dev
;
2053 *cookie
= (unsigned long) skb
;
2055 if (is_offchan
&& local
->ops
->remain_on_channel
) {
2056 unsigned int duration
;
2059 mutex_lock(&local
->mtx
);
2061 * If the duration is zero, then the driver
2062 * wouldn't actually do anything. Set it to
2065 * TODO: cancel the off-channel operation
2066 * when we get the SKB's TX status and
2067 * the wait time was zero before.
2072 ret
= ieee80211_remain_on_channel_hw(local
, dev
, chan
,
2077 mutex_unlock(&local
->mtx
);
2081 local
->hw_roc_for_tx
= true;
2082 local
->hw_roc_duration
= wait
;
2085 * queue up frame for transmission after
2086 * ieee80211_ready_on_channel call
2089 /* modify cookie to prevent API mismatches */
2091 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
;
2092 local
->hw_roc_skb
= skb
;
2093 local
->hw_roc_skb_for_status
= skb
;
2094 mutex_unlock(&local
->mtx
);
2100 * Can transmit right away if the channel was the
2101 * right one and there's no wait involved... If a
2102 * wait is involved, we might otherwise not be on
2103 * the right channel for long enough!
2105 if (!is_offchan
&& !wait
&& !sdata
->vif
.bss_conf
.idle
) {
2106 ieee80211_tx_skb(sdata
, skb
);
2110 wk
= kzalloc(sizeof(*wk
) + len
, GFP_KERNEL
);
2116 wk
->type
= IEEE80211_WORK_OFFCHANNEL_TX
;
2118 wk
->chan_type
= channel_type
;
2120 wk
->done
= ieee80211_offchan_tx_done
;
2121 wk
->offchan_tx
.frame
= skb
;
2122 wk
->offchan_tx
.wait
= wait
;
2124 memcpy(wk
->ie
, buf
, len
);
2126 ieee80211_add_work(wk
);
2130 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
2131 struct net_device
*dev
,
2134 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2135 struct ieee80211_local
*local
= sdata
->local
;
2136 struct ieee80211_work
*wk
;
2139 mutex_lock(&local
->mtx
);
2141 if (local
->ops
->cancel_remain_on_channel
) {
2143 ret
= ieee80211_cancel_remain_on_channel_hw(local
, cookie
);
2146 kfree_skb(local
->hw_roc_skb
);
2147 local
->hw_roc_skb
= NULL
;
2148 local
->hw_roc_skb_for_status
= NULL
;
2151 mutex_unlock(&local
->mtx
);
2156 list_for_each_entry(wk
, &local
->work_list
, list
) {
2157 if (wk
->sdata
!= sdata
)
2160 if (wk
->type
!= IEEE80211_WORK_OFFCHANNEL_TX
)
2163 if (cookie
!= (unsigned long) wk
->offchan_tx
.frame
)
2166 wk
->timeout
= jiffies
;
2168 ieee80211_queue_work(&local
->hw
, &local
->work_work
);
2172 mutex_unlock(&local
->mtx
);
2177 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
2178 struct net_device
*dev
,
2179 u16 frame_type
, bool reg
)
2181 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2183 if (frame_type
!= (IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
))
2187 local
->probe_req_reg
++;
2189 local
->probe_req_reg
--;
2191 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
2194 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
2196 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2201 return drv_set_antenna(local
, tx_ant
, rx_ant
);
2204 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
2206 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2208 return drv_get_antenna(local
, tx_ant
, rx_ant
);
2211 static int ieee80211_set_ringparam(struct wiphy
*wiphy
, u32 tx
, u32 rx
)
2213 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2215 return drv_set_ringparam(local
, tx
, rx
);
2218 static void ieee80211_get_ringparam(struct wiphy
*wiphy
,
2219 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
)
2221 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2223 drv_get_ringparam(local
, tx
, tx_max
, rx
, rx_max
);
2226 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
2227 struct net_device
*dev
,
2228 struct cfg80211_gtk_rekey_data
*data
)
2230 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2231 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2233 if (!local
->ops
->set_rekey_data
)
2236 drv_set_rekey_data(local
, sdata
, data
);
2241 static void ieee80211_tdls_add_ext_capab(struct sk_buff
*skb
)
2243 u8
*pos
= (void *)skb_put(skb
, 7);
2245 *pos
++ = WLAN_EID_EXT_CAPABILITY
;
2246 *pos
++ = 5; /* len */
2251 *pos
++ = WLAN_EXT_CAPA5_TDLS_ENABLED
;
2254 static u16
ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data
*sdata
)
2256 struct ieee80211_local
*local
= sdata
->local
;
2260 if (local
->oper_channel
->band
!= IEEE80211_BAND_2GHZ
)
2263 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
))
2264 capab
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
2265 if (!(local
->hw
.flags
& IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE
))
2266 capab
|= WLAN_CAPABILITY_SHORT_PREAMBLE
;
2271 static void ieee80211_tdls_add_link_ie(struct sk_buff
*skb
, u8
*src_addr
,
2272 u8
*peer
, u8
*bssid
)
2274 struct ieee80211_tdls_lnkie
*lnkid
;
2276 lnkid
= (void *)skb_put(skb
, sizeof(struct ieee80211_tdls_lnkie
));
2278 lnkid
->ie_type
= WLAN_EID_LINK_ID
;
2279 lnkid
->ie_len
= sizeof(struct ieee80211_tdls_lnkie
) - 2;
2281 memcpy(lnkid
->bssid
, bssid
, ETH_ALEN
);
2282 memcpy(lnkid
->init_sta
, src_addr
, ETH_ALEN
);
2283 memcpy(lnkid
->resp_sta
, peer
, ETH_ALEN
);
2287 ieee80211_prep_tdls_encap_data(struct wiphy
*wiphy
, struct net_device
*dev
,
2288 u8
*peer
, u8 action_code
, u8 dialog_token
,
2289 u16 status_code
, struct sk_buff
*skb
)
2291 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2292 struct ieee80211_tdls_data
*tf
;
2294 tf
= (void *)skb_put(skb
, offsetof(struct ieee80211_tdls_data
, u
));
2296 memcpy(tf
->da
, peer
, ETH_ALEN
);
2297 memcpy(tf
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2298 tf
->ether_type
= cpu_to_be16(ETH_P_TDLS
);
2299 tf
->payload_type
= WLAN_TDLS_SNAP_RFTYPE
;
2301 switch (action_code
) {
2302 case WLAN_TDLS_SETUP_REQUEST
:
2303 tf
->category
= WLAN_CATEGORY_TDLS
;
2304 tf
->action_code
= WLAN_TDLS_SETUP_REQUEST
;
2306 skb_put(skb
, sizeof(tf
->u
.setup_req
));
2307 tf
->u
.setup_req
.dialog_token
= dialog_token
;
2308 tf
->u
.setup_req
.capability
=
2309 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2311 ieee80211_add_srates_ie(&sdata
->vif
, skb
);
2312 ieee80211_add_ext_srates_ie(&sdata
->vif
, skb
);
2313 ieee80211_tdls_add_ext_capab(skb
);
2315 case WLAN_TDLS_SETUP_RESPONSE
:
2316 tf
->category
= WLAN_CATEGORY_TDLS
;
2317 tf
->action_code
= WLAN_TDLS_SETUP_RESPONSE
;
2319 skb_put(skb
, sizeof(tf
->u
.setup_resp
));
2320 tf
->u
.setup_resp
.status_code
= cpu_to_le16(status_code
);
2321 tf
->u
.setup_resp
.dialog_token
= dialog_token
;
2322 tf
->u
.setup_resp
.capability
=
2323 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2325 ieee80211_add_srates_ie(&sdata
->vif
, skb
);
2326 ieee80211_add_ext_srates_ie(&sdata
->vif
, skb
);
2327 ieee80211_tdls_add_ext_capab(skb
);
2329 case WLAN_TDLS_SETUP_CONFIRM
:
2330 tf
->category
= WLAN_CATEGORY_TDLS
;
2331 tf
->action_code
= WLAN_TDLS_SETUP_CONFIRM
;
2333 skb_put(skb
, sizeof(tf
->u
.setup_cfm
));
2334 tf
->u
.setup_cfm
.status_code
= cpu_to_le16(status_code
);
2335 tf
->u
.setup_cfm
.dialog_token
= dialog_token
;
2337 case WLAN_TDLS_TEARDOWN
:
2338 tf
->category
= WLAN_CATEGORY_TDLS
;
2339 tf
->action_code
= WLAN_TDLS_TEARDOWN
;
2341 skb_put(skb
, sizeof(tf
->u
.teardown
));
2342 tf
->u
.teardown
.reason_code
= cpu_to_le16(status_code
);
2344 case WLAN_TDLS_DISCOVERY_REQUEST
:
2345 tf
->category
= WLAN_CATEGORY_TDLS
;
2346 tf
->action_code
= WLAN_TDLS_DISCOVERY_REQUEST
;
2348 skb_put(skb
, sizeof(tf
->u
.discover_req
));
2349 tf
->u
.discover_req
.dialog_token
= dialog_token
;
2359 ieee80211_prep_tdls_direct(struct wiphy
*wiphy
, struct net_device
*dev
,
2360 u8
*peer
, u8 action_code
, u8 dialog_token
,
2361 u16 status_code
, struct sk_buff
*skb
)
2363 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2364 struct ieee80211_mgmt
*mgmt
;
2366 mgmt
= (void *)skb_put(skb
, 24);
2367 memset(mgmt
, 0, 24);
2368 memcpy(mgmt
->da
, peer
, ETH_ALEN
);
2369 memcpy(mgmt
->sa
, sdata
->vif
.addr
, ETH_ALEN
);
2370 memcpy(mgmt
->bssid
, sdata
->u
.mgd
.bssid
, ETH_ALEN
);
2372 mgmt
->frame_control
= cpu_to_le16(IEEE80211_FTYPE_MGMT
|
2373 IEEE80211_STYPE_ACTION
);
2375 switch (action_code
) {
2376 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2377 skb_put(skb
, 1 + sizeof(mgmt
->u
.action
.u
.tdls_discover_resp
));
2378 mgmt
->u
.action
.category
= WLAN_CATEGORY_PUBLIC
;
2379 mgmt
->u
.action
.u
.tdls_discover_resp
.action_code
=
2380 WLAN_PUB_ACTION_TDLS_DISCOVER_RES
;
2381 mgmt
->u
.action
.u
.tdls_discover_resp
.dialog_token
=
2383 mgmt
->u
.action
.u
.tdls_discover_resp
.capability
=
2384 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata
));
2386 ieee80211_add_srates_ie(&sdata
->vif
, skb
);
2387 ieee80211_add_ext_srates_ie(&sdata
->vif
, skb
);
2388 ieee80211_tdls_add_ext_capab(skb
);
2397 static int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2398 u8
*peer
, u8 action_code
, u8 dialog_token
,
2399 u16 status_code
, const u8
*extra_ies
,
2400 size_t extra_ies_len
)
2402 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2403 struct ieee80211_local
*local
= sdata
->local
;
2404 struct ieee80211_tx_info
*info
;
2405 struct sk_buff
*skb
= NULL
;
2409 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2412 /* make sure we are in managed mode, and associated */
2413 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
||
2414 !sdata
->u
.mgd
.associated
)
2417 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2418 printk(KERN_DEBUG
"TDLS mgmt action %d peer %pM\n", action_code
, peer
);
2421 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+
2422 max(sizeof(struct ieee80211_mgmt
),
2423 sizeof(struct ieee80211_tdls_data
)) +
2424 50 + /* supported rates */
2427 sizeof(struct ieee80211_tdls_lnkie
));
2431 info
= IEEE80211_SKB_CB(skb
);
2432 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2434 switch (action_code
) {
2435 case WLAN_TDLS_SETUP_REQUEST
:
2436 case WLAN_TDLS_SETUP_RESPONSE
:
2437 case WLAN_TDLS_SETUP_CONFIRM
:
2438 case WLAN_TDLS_TEARDOWN
:
2439 case WLAN_TDLS_DISCOVERY_REQUEST
:
2440 ret
= ieee80211_prep_tdls_encap_data(wiphy
, dev
, peer
,
2441 action_code
, dialog_token
,
2443 send_direct
= false;
2445 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2446 ret
= ieee80211_prep_tdls_direct(wiphy
, dev
, peer
, action_code
,
2447 dialog_token
, status_code
,
2460 memcpy(skb_put(skb
, extra_ies_len
), extra_ies
, extra_ies_len
);
2462 /* the TDLS link IE is always added last */
2463 switch (action_code
) {
2464 case WLAN_TDLS_SETUP_REQUEST
:
2465 case WLAN_TDLS_SETUP_CONFIRM
:
2466 case WLAN_TDLS_TEARDOWN
:
2467 case WLAN_TDLS_DISCOVERY_REQUEST
:
2468 /* we are the initiator */
2469 ieee80211_tdls_add_link_ie(skb
, sdata
->vif
.addr
, peer
,
2470 sdata
->u
.mgd
.bssid
);
2472 case WLAN_TDLS_SETUP_RESPONSE
:
2473 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2474 /* we are the responder */
2475 ieee80211_tdls_add_link_ie(skb
, peer
, sdata
->vif
.addr
,
2476 sdata
->u
.mgd
.bssid
);
2484 ieee80211_tx_skb(sdata
, skb
);
2489 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2490 * we should default to AC_VI.
2492 switch (action_code
) {
2493 case WLAN_TDLS_SETUP_REQUEST
:
2494 case WLAN_TDLS_SETUP_RESPONSE
:
2495 skb_set_queue_mapping(skb
, IEEE80211_AC_BK
);
2499 skb_set_queue_mapping(skb
, IEEE80211_AC_VI
);
2504 /* disable bottom halves when entering the Tx path */
2506 ret
= ieee80211_subif_start_xmit(skb
, dev
);
2516 static int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2517 u8
*peer
, enum nl80211_tdls_operation oper
)
2519 struct sta_info
*sta
;
2520 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2522 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2525 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2528 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2529 printk(KERN_DEBUG
"TDLS oper %d peer %pM\n", oper
, peer
);
2533 case NL80211_TDLS_ENABLE_LINK
:
2535 sta
= sta_info_get(sdata
, peer
);
2541 set_sta_flag(sta
, WLAN_STA_TDLS_PEER_AUTH
);
2544 case NL80211_TDLS_DISABLE_LINK
:
2545 return sta_info_destroy_addr(sdata
, peer
);
2546 case NL80211_TDLS_TEARDOWN
:
2547 case NL80211_TDLS_SETUP
:
2548 case NL80211_TDLS_DISCOVERY_REQ
:
2549 /* We don't support in-driver setup/teardown/discovery */
2558 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
2559 const u8
*peer
, u64
*cookie
)
2561 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2562 struct ieee80211_local
*local
= sdata
->local
;
2563 struct ieee80211_qos_hdr
*nullfunc
;
2564 struct sk_buff
*skb
;
2565 int size
= sizeof(*nullfunc
);
2568 struct ieee80211_tx_info
*info
;
2569 struct sta_info
*sta
;
2572 sta
= sta_info_get(sdata
, peer
);
2574 qos
= test_sta_flag(sta
, WLAN_STA_WME
);
2581 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2582 IEEE80211_STYPE_QOS_NULLFUNC
|
2583 IEEE80211_FCTL_FROMDS
);
2586 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
2587 IEEE80211_STYPE_NULLFUNC
|
2588 IEEE80211_FCTL_FROMDS
);
2591 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
2597 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
2599 nullfunc
= (void *) skb_put(skb
, size
);
2600 nullfunc
->frame_control
= fc
;
2601 nullfunc
->duration_id
= 0;
2602 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
2603 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
2604 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
2605 nullfunc
->seq_ctrl
= 0;
2607 info
= IEEE80211_SKB_CB(skb
);
2609 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
2610 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
2612 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
2615 nullfunc
->qos_ctrl
= cpu_to_le16(7);
2618 ieee80211_xmit(sdata
, skb
);
2621 *cookie
= (unsigned long) skb
;
2625 static struct ieee80211_channel
*
2626 ieee80211_wiphy_get_channel(struct wiphy
*wiphy
)
2628 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2630 return local
->oper_channel
;
2633 struct cfg80211_ops mac80211_config_ops
= {
2634 .add_virtual_intf
= ieee80211_add_iface
,
2635 .del_virtual_intf
= ieee80211_del_iface
,
2636 .change_virtual_intf
= ieee80211_change_iface
,
2637 .add_key
= ieee80211_add_key
,
2638 .del_key
= ieee80211_del_key
,
2639 .get_key
= ieee80211_get_key
,
2640 .set_default_key
= ieee80211_config_default_key
,
2641 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
2642 .add_beacon
= ieee80211_add_beacon
,
2643 .set_beacon
= ieee80211_set_beacon
,
2644 .del_beacon
= ieee80211_del_beacon
,
2645 .add_station
= ieee80211_add_station
,
2646 .del_station
= ieee80211_del_station
,
2647 .change_station
= ieee80211_change_station
,
2648 .get_station
= ieee80211_get_station
,
2649 .dump_station
= ieee80211_dump_station
,
2650 .dump_survey
= ieee80211_dump_survey
,
2651 #ifdef CONFIG_MAC80211_MESH
2652 .add_mpath
= ieee80211_add_mpath
,
2653 .del_mpath
= ieee80211_del_mpath
,
2654 .change_mpath
= ieee80211_change_mpath
,
2655 .get_mpath
= ieee80211_get_mpath
,
2656 .dump_mpath
= ieee80211_dump_mpath
,
2657 .update_mesh_config
= ieee80211_update_mesh_config
,
2658 .get_mesh_config
= ieee80211_get_mesh_config
,
2659 .join_mesh
= ieee80211_join_mesh
,
2660 .leave_mesh
= ieee80211_leave_mesh
,
2662 .change_bss
= ieee80211_change_bss
,
2663 .set_txq_params
= ieee80211_set_txq_params
,
2664 .set_channel
= ieee80211_set_channel
,
2665 .suspend
= ieee80211_suspend
,
2666 .resume
= ieee80211_resume
,
2667 .scan
= ieee80211_scan
,
2668 .sched_scan_start
= ieee80211_sched_scan_start
,
2669 .sched_scan_stop
= ieee80211_sched_scan_stop
,
2670 .auth
= ieee80211_auth
,
2671 .assoc
= ieee80211_assoc
,
2672 .deauth
= ieee80211_deauth
,
2673 .disassoc
= ieee80211_disassoc
,
2674 .join_ibss
= ieee80211_join_ibss
,
2675 .leave_ibss
= ieee80211_leave_ibss
,
2676 .set_wiphy_params
= ieee80211_set_wiphy_params
,
2677 .set_tx_power
= ieee80211_set_tx_power
,
2678 .get_tx_power
= ieee80211_get_tx_power
,
2679 .set_wds_peer
= ieee80211_set_wds_peer
,
2680 .rfkill_poll
= ieee80211_rfkill_poll
,
2681 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
2682 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
2683 .set_power_mgmt
= ieee80211_set_power_mgmt
,
2684 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
2685 .remain_on_channel
= ieee80211_remain_on_channel
,
2686 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
2687 .mgmt_tx
= ieee80211_mgmt_tx
,
2688 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
2689 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
2690 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
2691 .set_antenna
= ieee80211_set_antenna
,
2692 .get_antenna
= ieee80211_get_antenna
,
2693 .set_ringparam
= ieee80211_set_ringparam
,
2694 .get_ringparam
= ieee80211_get_ringparam
,
2695 .set_rekey_data
= ieee80211_set_rekey_data
,
2696 .tdls_oper
= ieee80211_tdls_oper
,
2697 .tdls_mgmt
= ieee80211_tdls_mgmt
,
2698 .probe_client
= ieee80211_probe_client
,
2699 .get_channel
= ieee80211_wiphy_get_channel
,