2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * This file is GPLv2 as found in COPYING.
10 #include <linux/ieee80211.h>
11 #include <linux/nl80211.h>
12 #include <linux/rtnetlink.h>
13 #include <linux/slab.h>
14 #include <net/net_namespace.h>
15 #include <linux/rcupdate.h>
16 #include <linux/if_ether.h>
17 #include <net/cfg80211.h>
18 #include "ieee80211_i.h"
19 #include "driver-ops.h"
25 static struct wireless_dev
*ieee80211_add_iface(struct wiphy
*wiphy
,
27 enum nl80211_iftype type
,
29 struct vif_params
*params
)
31 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
32 struct wireless_dev
*wdev
;
33 struct ieee80211_sub_if_data
*sdata
;
36 err
= ieee80211_if_add(local
, name
, &wdev
, type
, params
);
40 if (type
== NL80211_IFTYPE_MONITOR
&& flags
) {
41 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
42 sdata
->u
.mntr_flags
= *flags
;
48 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
50 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev
));
55 static int ieee80211_change_iface(struct wiphy
*wiphy
,
56 struct net_device
*dev
,
57 enum nl80211_iftype type
, u32
*flags
,
58 struct vif_params
*params
)
60 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
63 ret
= ieee80211_if_change_type(sdata
, type
);
67 if (type
== NL80211_IFTYPE_AP_VLAN
&&
68 params
&& params
->use_4addr
== 0)
69 RCU_INIT_POINTER(sdata
->u
.vlan
.sta
, NULL
);
70 else if (type
== NL80211_IFTYPE_STATION
&&
71 params
&& params
->use_4addr
>= 0)
72 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
74 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
&& flags
) {
75 struct ieee80211_local
*local
= sdata
->local
;
77 if (ieee80211_sdata_running(sdata
)) {
78 u32 mask
= MONITOR_FLAG_COOK_FRAMES
|
82 * Prohibit MONITOR_FLAG_COOK_FRAMES and
83 * MONITOR_FLAG_ACTIVE to be changed while the
85 * Else we would need to add a lot of cruft
86 * to update everything:
87 * cooked_mntrs, monitor and all fif_* counters
88 * reconfigure hardware
90 if ((*flags
& mask
) != (sdata
->u
.mntr_flags
& mask
))
93 ieee80211_adjust_monitor_flags(sdata
, -1);
94 sdata
->u
.mntr_flags
= *flags
;
95 ieee80211_adjust_monitor_flags(sdata
, 1);
97 ieee80211_configure_filter(local
);
100 * Because the interface is down, ieee80211_do_stop
101 * and ieee80211_do_open take care of "everything"
102 * mentioned in the comment above.
104 sdata
->u
.mntr_flags
= *flags
;
111 static int ieee80211_start_p2p_device(struct wiphy
*wiphy
,
112 struct wireless_dev
*wdev
)
114 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
117 mutex_lock(&sdata
->local
->chanctx_mtx
);
118 ret
= ieee80211_check_combinations(sdata
, NULL
, 0, 0);
119 mutex_unlock(&sdata
->local
->chanctx_mtx
);
123 return ieee80211_do_open(wdev
, true);
126 static void ieee80211_stop_p2p_device(struct wiphy
*wiphy
,
127 struct wireless_dev
*wdev
)
129 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev
));
132 static int ieee80211_set_noack_map(struct wiphy
*wiphy
,
133 struct net_device
*dev
,
136 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
138 sdata
->noack_map
= noack_map
;
142 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
143 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
144 struct key_params
*params
)
146 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
147 struct ieee80211_local
*local
= sdata
->local
;
148 struct sta_info
*sta
= NULL
;
149 const struct ieee80211_cipher_scheme
*cs
= NULL
;
150 struct ieee80211_key
*key
;
153 if (!ieee80211_sdata_running(sdata
))
156 /* reject WEP and TKIP keys if WEP failed to initialize */
157 switch (params
->cipher
) {
158 case WLAN_CIPHER_SUITE_WEP40
:
159 case WLAN_CIPHER_SUITE_TKIP
:
160 case WLAN_CIPHER_SUITE_WEP104
:
161 if (IS_ERR(local
->wep_tx_tfm
))
164 case WLAN_CIPHER_SUITE_CCMP
:
165 case WLAN_CIPHER_SUITE_AES_CMAC
:
166 case WLAN_CIPHER_SUITE_GCMP
:
169 cs
= ieee80211_cs_get(local
, params
->cipher
, sdata
->vif
.type
);
173 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
174 params
->key
, params
->seq_len
, params
->seq
,
180 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
182 mutex_lock(&local
->sta_mtx
);
185 if (ieee80211_vif_is_mesh(&sdata
->vif
))
186 sta
= sta_info_get(sdata
, mac_addr
);
188 sta
= sta_info_get_bss(sdata
, mac_addr
);
190 * The ASSOC test makes sure the driver is ready to
191 * receive the key. When wpa_supplicant has roamed
192 * using FT, it attempts to set the key before
193 * association has completed, this rejects that attempt
194 * so it will set the key again after association.
196 * TODO: accept the key if we have a station entry and
197 * add it to the device after the station.
199 if (!sta
|| !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
200 ieee80211_key_free_unused(key
);
206 switch (sdata
->vif
.type
) {
207 case NL80211_IFTYPE_STATION
:
208 if (sdata
->u
.mgd
.mfp
!= IEEE80211_MFP_DISABLED
)
209 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
211 case NL80211_IFTYPE_AP
:
212 case NL80211_IFTYPE_AP_VLAN
:
213 /* Keys without a station are used for TX only */
214 if (key
->sta
&& test_sta_flag(key
->sta
, WLAN_STA_MFP
))
215 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
217 case NL80211_IFTYPE_ADHOC
:
220 case NL80211_IFTYPE_MESH_POINT
:
221 #ifdef CONFIG_MAC80211_MESH
222 if (sdata
->u
.mesh
.security
!= IEEE80211_MESH_SEC_NONE
)
223 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
226 case NL80211_IFTYPE_WDS
:
227 case NL80211_IFTYPE_MONITOR
:
228 case NL80211_IFTYPE_P2P_DEVICE
:
229 case NL80211_IFTYPE_UNSPECIFIED
:
230 case NUM_NL80211_IFTYPES
:
231 case NL80211_IFTYPE_P2P_CLIENT
:
232 case NL80211_IFTYPE_P2P_GO
:
233 /* shouldn't happen */
239 sta
->cipher_scheme
= cs
;
241 err
= ieee80211_key_link(key
, sdata
, sta
);
244 mutex_unlock(&local
->sta_mtx
);
249 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
250 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
252 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
253 struct ieee80211_local
*local
= sdata
->local
;
254 struct sta_info
*sta
;
255 struct ieee80211_key
*key
= NULL
;
258 mutex_lock(&local
->sta_mtx
);
259 mutex_lock(&local
->key_mtx
);
264 sta
= sta_info_get_bss(sdata
, mac_addr
);
269 key
= key_mtx_dereference(local
, sta
->ptk
[key_idx
]);
271 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
273 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
280 ieee80211_key_free(key
, true);
284 mutex_unlock(&local
->key_mtx
);
285 mutex_unlock(&local
->sta_mtx
);
290 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
291 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
293 void (*callback
)(void *cookie
,
294 struct key_params
*params
))
296 struct ieee80211_sub_if_data
*sdata
;
297 struct sta_info
*sta
= NULL
;
299 struct key_params params
;
300 struct ieee80211_key
*key
= NULL
;
306 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
311 sta
= sta_info_get_bss(sdata
, mac_addr
);
315 if (pairwise
&& key_idx
< NUM_DEFAULT_KEYS
)
316 key
= rcu_dereference(sta
->ptk
[key_idx
]);
317 else if (!pairwise
&&
318 key_idx
< NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
)
319 key
= rcu_dereference(sta
->gtk
[key_idx
]);
321 key
= rcu_dereference(sdata
->keys
[key_idx
]);
326 memset(¶ms
, 0, sizeof(params
));
328 params
.cipher
= key
->conf
.cipher
;
330 switch (key
->conf
.cipher
) {
331 case WLAN_CIPHER_SUITE_TKIP
:
332 iv32
= key
->u
.tkip
.tx
.iv32
;
333 iv16
= key
->u
.tkip
.tx
.iv16
;
335 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
)
336 drv_get_tkip_seq(sdata
->local
,
337 key
->conf
.hw_key_idx
,
340 seq
[0] = iv16
& 0xff;
341 seq
[1] = (iv16
>> 8) & 0xff;
342 seq
[2] = iv32
& 0xff;
343 seq
[3] = (iv32
>> 8) & 0xff;
344 seq
[4] = (iv32
>> 16) & 0xff;
345 seq
[5] = (iv32
>> 24) & 0xff;
349 case WLAN_CIPHER_SUITE_CCMP
:
350 pn64
= atomic64_read(&key
->u
.ccmp
.tx_pn
);
360 case WLAN_CIPHER_SUITE_AES_CMAC
:
361 pn64
= atomic64_read(&key
->u
.aes_cmac
.tx_pn
);
373 params
.key
= key
->conf
.key
;
374 params
.key_len
= key
->conf
.keylen
;
376 callback(cookie
, ¶ms
);
384 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
385 struct net_device
*dev
,
386 u8 key_idx
, bool uni
,
389 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
391 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
396 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
397 struct net_device
*dev
,
400 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
402 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
407 void sta_set_rate_info_tx(struct sta_info
*sta
,
408 const struct ieee80211_tx_rate
*rate
,
409 struct rate_info
*rinfo
)
412 if (rate
->flags
& IEEE80211_TX_RC_MCS
) {
413 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
414 rinfo
->mcs
= rate
->idx
;
415 } else if (rate
->flags
& IEEE80211_TX_RC_VHT_MCS
) {
416 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
417 rinfo
->mcs
= ieee80211_rate_get_vht_mcs(rate
);
418 rinfo
->nss
= ieee80211_rate_get_vht_nss(rate
);
420 struct ieee80211_supported_band
*sband
;
421 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
424 sband
= sta
->local
->hw
.wiphy
->bands
[
425 ieee80211_get_sdata_band(sta
->sdata
)];
426 brate
= sband
->bitrates
[rate
->idx
].bitrate
;
427 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
429 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
430 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
431 if (rate
->flags
& IEEE80211_TX_RC_80_MHZ_WIDTH
)
432 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
433 if (rate
->flags
& IEEE80211_TX_RC_160_MHZ_WIDTH
)
434 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
435 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
436 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
439 void sta_set_rate_info_rx(struct sta_info
*sta
, struct rate_info
*rinfo
)
443 if (sta
->last_rx_rate_flag
& RX_FLAG_HT
) {
444 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
445 rinfo
->mcs
= sta
->last_rx_rate_idx
;
446 } else if (sta
->last_rx_rate_flag
& RX_FLAG_VHT
) {
447 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
448 rinfo
->nss
= sta
->last_rx_rate_vht_nss
;
449 rinfo
->mcs
= sta
->last_rx_rate_idx
;
451 struct ieee80211_supported_band
*sband
;
452 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
455 sband
= sta
->local
->hw
.wiphy
->bands
[
456 ieee80211_get_sdata_band(sta
->sdata
)];
457 brate
= sband
->bitrates
[sta
->last_rx_rate_idx
].bitrate
;
458 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
461 if (sta
->last_rx_rate_flag
& RX_FLAG_40MHZ
)
462 rinfo
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
463 if (sta
->last_rx_rate_flag
& RX_FLAG_SHORT_GI
)
464 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
465 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_80MHZ
)
466 rinfo
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
467 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_80P80MHZ
)
468 rinfo
->flags
|= RATE_INFO_FLAGS_80P80_MHZ_WIDTH
;
469 if (sta
->last_rx_rate_vht_flag
& RX_VHT_FLAG_160MHZ
)
470 rinfo
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
473 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
474 int idx
, u8
*mac
, struct station_info
*sinfo
)
476 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
477 struct ieee80211_local
*local
= sdata
->local
;
478 struct sta_info
*sta
;
481 mutex_lock(&local
->sta_mtx
);
483 sta
= sta_info_get_by_idx(sdata
, idx
);
486 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
487 sta_set_sinfo(sta
, sinfo
);
490 mutex_unlock(&local
->sta_mtx
);
495 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
496 int idx
, struct survey_info
*survey
)
498 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
500 return drv_get_survey(local
, idx
, survey
);
503 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
504 const u8
*mac
, struct station_info
*sinfo
)
506 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
507 struct ieee80211_local
*local
= sdata
->local
;
508 struct sta_info
*sta
;
511 mutex_lock(&local
->sta_mtx
);
513 sta
= sta_info_get_bss(sdata
, mac
);
516 sta_set_sinfo(sta
, sinfo
);
519 mutex_unlock(&local
->sta_mtx
);
524 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
525 struct cfg80211_chan_def
*chandef
)
527 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
528 struct ieee80211_sub_if_data
*sdata
;
531 if (cfg80211_chandef_identical(&local
->monitor_chandef
, chandef
))
534 mutex_lock(&local
->mtx
);
535 mutex_lock(&local
->iflist_mtx
);
536 if (local
->use_chanctx
) {
537 sdata
= rcu_dereference_protected(
538 local
->monitor_sdata
,
539 lockdep_is_held(&local
->iflist_mtx
));
541 ieee80211_vif_release_channel(sdata
);
542 ret
= ieee80211_vif_use_channel(sdata
, chandef
,
543 IEEE80211_CHANCTX_EXCLUSIVE
);
545 } else if (local
->open_count
== local
->monitors
) {
546 local
->_oper_chandef
= *chandef
;
547 ieee80211_hw_config(local
, 0);
551 local
->monitor_chandef
= *chandef
;
552 mutex_unlock(&local
->iflist_mtx
);
553 mutex_unlock(&local
->mtx
);
558 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
559 const u8
*resp
, size_t resp_len
,
560 const struct ieee80211_csa_settings
*csa
)
562 struct probe_resp
*new, *old
;
564 if (!resp
|| !resp_len
)
567 old
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
569 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
574 memcpy(new->data
, resp
, resp_len
);
577 memcpy(new->csa_counter_offsets
, csa
->counter_offsets_presp
,
578 csa
->n_counter_offsets_presp
*
579 sizeof(new->csa_counter_offsets
[0]));
581 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
583 kfree_rcu(old
, rcu_head
);
588 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
589 struct cfg80211_beacon_data
*params
,
590 const struct ieee80211_csa_settings
*csa
)
592 struct beacon_data
*new, *old
;
593 int new_head_len
, new_tail_len
;
595 u32 changed
= BSS_CHANGED_BEACON
;
597 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
600 /* Need to have a beacon head if we don't have one yet */
601 if (!params
->head
&& !old
)
604 /* new or old head? */
606 new_head_len
= params
->head_len
;
608 new_head_len
= old
->head_len
;
610 /* new or old tail? */
611 if (params
->tail
|| !old
)
612 /* params->tail_len will be zero for !params->tail */
613 new_tail_len
= params
->tail_len
;
615 new_tail_len
= old
->tail_len
;
617 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
619 new = kzalloc(size
, GFP_KERNEL
);
623 /* start filling the new info now */
626 * pointers go into the block we allocated,
627 * memory is | beacon_data | head | tail |
629 new->head
= ((u8
*) new) + sizeof(*new);
630 new->tail
= new->head
+ new_head_len
;
631 new->head_len
= new_head_len
;
632 new->tail_len
= new_tail_len
;
635 new->csa_current_counter
= csa
->count
;
636 memcpy(new->csa_counter_offsets
, csa
->counter_offsets_beacon
,
637 csa
->n_counter_offsets_beacon
*
638 sizeof(new->csa_counter_offsets
[0]));
643 memcpy(new->head
, params
->head
, new_head_len
);
645 memcpy(new->head
, old
->head
, new_head_len
);
647 /* copy in optional tail */
649 memcpy(new->tail
, params
->tail
, new_tail_len
);
652 memcpy(new->tail
, old
->tail
, new_tail_len
);
654 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
655 params
->probe_resp_len
, csa
);
659 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
661 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
664 kfree_rcu(old
, rcu_head
);
669 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
670 struct cfg80211_ap_settings
*params
)
672 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
673 struct ieee80211_local
*local
= sdata
->local
;
674 struct beacon_data
*old
;
675 struct ieee80211_sub_if_data
*vlan
;
676 u32 changed
= BSS_CHANGED_BEACON_INT
|
677 BSS_CHANGED_BEACON_ENABLED
|
683 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
687 switch (params
->smps_mode
) {
688 case NL80211_SMPS_OFF
:
689 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
691 case NL80211_SMPS_STATIC
:
692 sdata
->smps_mode
= IEEE80211_SMPS_STATIC
;
694 case NL80211_SMPS_DYNAMIC
:
695 sdata
->smps_mode
= IEEE80211_SMPS_DYNAMIC
;
700 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
702 mutex_lock(&local
->mtx
);
703 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
704 IEEE80211_CHANCTX_SHARED
);
706 ieee80211_vif_copy_chanctx_to_vlans(sdata
, false);
707 mutex_unlock(&local
->mtx
);
712 * Apply control port protocol, this allows us to
713 * not encrypt dynamic WEP control frames.
715 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
716 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
717 sdata
->encrypt_headroom
= ieee80211_cs_headroom(sdata
->local
,
721 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
722 vlan
->control_port_protocol
=
723 params
->crypto
.control_port_ethertype
;
724 vlan
->control_port_no_encrypt
=
725 params
->crypto
.control_port_no_encrypt
;
726 vlan
->encrypt_headroom
=
727 ieee80211_cs_headroom(sdata
->local
,
732 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
733 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
734 sdata
->vif
.bss_conf
.enable_beacon
= true;
736 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
737 if (params
->ssid_len
)
738 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
740 sdata
->vif
.bss_conf
.hidden_ssid
=
741 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
743 memset(&sdata
->vif
.bss_conf
.p2p_noa_attr
, 0,
744 sizeof(sdata
->vif
.bss_conf
.p2p_noa_attr
));
745 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
=
746 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
747 if (params
->p2p_opp_ps
)
748 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
749 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
751 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
, NULL
);
753 ieee80211_vif_release_channel(sdata
);
758 err
= drv_start_ap(sdata
->local
, sdata
);
760 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
763 kfree_rcu(old
, rcu_head
);
764 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
765 ieee80211_vif_release_channel(sdata
);
769 ieee80211_recalc_dtim(local
, sdata
);
770 ieee80211_bss_info_change_notify(sdata
, changed
);
772 netif_carrier_on(dev
);
773 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
774 netif_carrier_on(vlan
->dev
);
779 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
780 struct cfg80211_beacon_data
*params
)
782 struct ieee80211_sub_if_data
*sdata
;
783 struct beacon_data
*old
;
786 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
787 sdata_assert_lock(sdata
);
789 /* don't allow changing the beacon while CSA is in place - offset
790 * of channel switch counter may change
792 if (sdata
->vif
.csa_active
)
795 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
799 err
= ieee80211_assign_beacon(sdata
, params
, NULL
);
802 ieee80211_bss_info_change_notify(sdata
, err
);
806 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
808 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
809 struct ieee80211_sub_if_data
*vlan
;
810 struct ieee80211_local
*local
= sdata
->local
;
811 struct beacon_data
*old_beacon
;
812 struct probe_resp
*old_probe_resp
;
813 struct cfg80211_chan_def chandef
;
815 sdata_assert_lock(sdata
);
817 old_beacon
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
820 old_probe_resp
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
822 /* abort any running channel switch */
823 mutex_lock(&local
->mtx
);
824 sdata
->vif
.csa_active
= false;
825 if (sdata
->csa_block_tx
) {
826 ieee80211_wake_vif_queues(local
, sdata
,
827 IEEE80211_QUEUE_STOP_REASON_CSA
);
828 sdata
->csa_block_tx
= false;
831 mutex_unlock(&local
->mtx
);
833 kfree(sdata
->u
.ap
.next_beacon
);
834 sdata
->u
.ap
.next_beacon
= NULL
;
836 /* turn off carrier for this interface and dependent VLANs */
837 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
838 netif_carrier_off(vlan
->dev
);
839 netif_carrier_off(dev
);
841 /* remove beacon and probe response */
842 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
843 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
844 kfree_rcu(old_beacon
, rcu_head
);
846 kfree_rcu(old_probe_resp
, rcu_head
);
847 sdata
->u
.ap
.driver_smps_mode
= IEEE80211_SMPS_OFF
;
849 __sta_info_flush(sdata
, true);
850 ieee80211_free_keys(sdata
, true);
852 sdata
->vif
.bss_conf
.enable_beacon
= false;
853 sdata
->vif
.bss_conf
.ssid_len
= 0;
854 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
, &sdata
->state
);
855 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
857 if (sdata
->wdev
.cac_started
) {
858 chandef
= sdata
->vif
.bss_conf
.chandef
;
859 cancel_delayed_work_sync(&sdata
->dfs_cac_timer_work
);
860 cfg80211_cac_event(sdata
->dev
, &chandef
,
861 NL80211_RADAR_CAC_ABORTED
,
865 drv_stop_ap(sdata
->local
, sdata
);
867 /* free all potentially still buffered bcast frames */
868 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
869 skb_queue_purge(&sdata
->u
.ap
.ps
.bc_buf
);
871 mutex_lock(&local
->mtx
);
872 ieee80211_vif_copy_chanctx_to_vlans(sdata
, true);
873 ieee80211_vif_release_channel(sdata
);
874 mutex_unlock(&local
->mtx
);
879 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
880 struct iapp_layer2_update
{
881 u8 da
[ETH_ALEN
]; /* broadcast */
882 u8 sa
[ETH_ALEN
]; /* STA addr */
890 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
892 struct iapp_layer2_update
*msg
;
895 /* Send Level 2 Update Frame to update forwarding tables in layer 2
898 skb
= dev_alloc_skb(sizeof(*msg
));
901 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
903 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
904 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
906 eth_broadcast_addr(msg
->da
);
907 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
910 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
911 msg
->control
= 0xaf; /* XID response lsb.1111F101.
912 * F=0 (no poll command; unsolicited frame) */
913 msg
->xid_info
[0] = 0x81; /* XID format identifier */
914 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
915 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
917 skb
->dev
= sta
->sdata
->dev
;
918 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
919 memset(skb
->cb
, 0, sizeof(skb
->cb
));
923 static int sta_apply_auth_flags(struct ieee80211_local
*local
,
924 struct sta_info
*sta
,
929 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
930 set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
931 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
932 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
937 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
938 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
939 !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
940 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
945 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
946 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
947 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
948 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
949 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
956 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
957 !(set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
958 test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
959 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
964 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
965 !(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
966 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
967 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
975 static int sta_apply_parameters(struct ieee80211_local
*local
,
976 struct sta_info
*sta
,
977 struct station_parameters
*params
)
980 struct ieee80211_supported_band
*sband
;
981 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
982 enum ieee80211_band band
= ieee80211_get_sdata_band(sdata
);
985 sband
= local
->hw
.wiphy
->bands
[band
];
987 mask
= params
->sta_flags_mask
;
988 set
= params
->sta_flags_set
;
990 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
992 * In mesh mode, ASSOCIATED isn't part of the nl80211
993 * API but must follow AUTHENTICATED for driver state.
995 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
996 mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
997 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
998 set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
999 } else if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1001 * TDLS -- everything follows authorized, but
1002 * only becoming authorized is possible, not
1005 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1006 set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1007 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1008 mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1009 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1013 /* auth flags will be set later for TDLS stations */
1014 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1015 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1020 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1021 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1022 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1024 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1027 if (mask
& BIT(NL80211_STA_FLAG_WME
))
1028 sta
->sta
.wme
= set
& BIT(NL80211_STA_FLAG_WME
);
1030 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1031 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1032 set_sta_flag(sta
, WLAN_STA_MFP
);
1034 clear_sta_flag(sta
, WLAN_STA_MFP
);
1037 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1038 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1039 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1041 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1044 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1045 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1046 sta
->sta
.max_sp
= params
->max_sp
;
1050 * cfg80211 validates this (1-2007) and allows setting the AID
1051 * only when creating a new station entry
1054 sta
->sta
.aid
= params
->aid
;
1057 * Some of the following updates would be racy if called on an
1058 * existing station, via ieee80211_change_station(). However,
1059 * all such changes are rejected by cfg80211 except for updates
1060 * changing the supported rates on an existing but not yet used
1064 if (params
->listen_interval
>= 0)
1065 sta
->listen_interval
= params
->listen_interval
;
1067 if (params
->supported_rates
) {
1068 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1069 sband
, params
->supported_rates
,
1070 params
->supported_rates_len
,
1071 &sta
->sta
.supp_rates
[band
]);
1074 if (params
->ht_capa
)
1075 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1076 params
->ht_capa
, sta
);
1078 if (params
->vht_capa
)
1079 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1080 params
->vht_capa
, sta
);
1082 if (params
->opmode_notif_used
) {
1083 /* returned value is only needed for rc update, but the
1084 * rc isn't initialized here yet, so ignore it
1086 __ieee80211_vht_handle_opmode(sdata
, sta
,
1087 params
->opmode_notif
,
1091 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1092 #ifdef CONFIG_MAC80211_MESH
1095 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
) {
1096 switch (params
->plink_state
) {
1097 case NL80211_PLINK_ESTAB
:
1098 if (sta
->plink_state
!= NL80211_PLINK_ESTAB
)
1099 changed
= mesh_plink_inc_estab_count(
1101 sta
->plink_state
= params
->plink_state
;
1103 ieee80211_mps_sta_status_update(sta
);
1104 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1105 sdata
->u
.mesh
.mshcfg
.power_mode
);
1107 case NL80211_PLINK_LISTEN
:
1108 case NL80211_PLINK_BLOCKED
:
1109 case NL80211_PLINK_OPN_SNT
:
1110 case NL80211_PLINK_OPN_RCVD
:
1111 case NL80211_PLINK_CNF_RCVD
:
1112 case NL80211_PLINK_HOLDING
:
1113 if (sta
->plink_state
== NL80211_PLINK_ESTAB
)
1114 changed
= mesh_plink_dec_estab_count(
1116 sta
->plink_state
= params
->plink_state
;
1118 ieee80211_mps_sta_status_update(sta
);
1119 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1120 NL80211_MESH_POWER_UNKNOWN
);
1128 switch (params
->plink_action
) {
1129 case NL80211_PLINK_ACTION_NO_ACTION
:
1132 case NL80211_PLINK_ACTION_OPEN
:
1133 changed
|= mesh_plink_open(sta
);
1135 case NL80211_PLINK_ACTION_BLOCK
:
1136 changed
|= mesh_plink_block(sta
);
1140 if (params
->local_pm
)
1142 ieee80211_mps_set_sta_local_pm(sta
,
1144 ieee80211_mbss_info_change_notify(sdata
, changed
);
1148 /* set the STA state after all sta info from usermode has been set */
1149 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1150 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1158 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1160 struct station_parameters
*params
)
1162 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1163 struct sta_info
*sta
;
1164 struct ieee80211_sub_if_data
*sdata
;
1169 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1171 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1172 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1175 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1177 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1180 if (is_multicast_ether_addr(mac
))
1183 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1188 * defaults -- if userspace wants something else we'll
1189 * change it accordingly in sta_apply_parameters()
1191 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))) {
1192 sta_info_pre_move_state(sta
, IEEE80211_STA_AUTH
);
1193 sta_info_pre_move_state(sta
, IEEE80211_STA_ASSOC
);
1195 sta
->sta
.tdls
= true;
1198 err
= sta_apply_parameters(local
, sta
, params
);
1200 sta_info_free(local
, sta
);
1205 * for TDLS, rate control should be initialized only when
1206 * rates are known and station is marked authorized
1208 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
))
1209 rate_control_rate_init(sta
);
1211 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1212 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1214 err
= sta_info_insert_rcu(sta
);
1221 ieee80211_send_layer2_update(sta
);
1228 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1229 struct station_del_parameters
*params
)
1231 struct ieee80211_sub_if_data
*sdata
;
1233 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1236 return sta_info_destroy_addr_bss(sdata
, params
->mac
);
1238 sta_info_flush(sdata
);
1242 static int ieee80211_change_station(struct wiphy
*wiphy
,
1243 struct net_device
*dev
, const u8
*mac
,
1244 struct station_parameters
*params
)
1246 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1247 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1248 struct sta_info
*sta
;
1249 struct ieee80211_sub_if_data
*vlansdata
;
1250 enum cfg80211_station_type statype
;
1253 mutex_lock(&local
->sta_mtx
);
1255 sta
= sta_info_get_bss(sdata
, mac
);
1261 switch (sdata
->vif
.type
) {
1262 case NL80211_IFTYPE_MESH_POINT
:
1263 if (sdata
->u
.mesh
.user_mpm
)
1264 statype
= CFG80211_STA_MESH_PEER_USER
;
1266 statype
= CFG80211_STA_MESH_PEER_KERNEL
;
1268 case NL80211_IFTYPE_ADHOC
:
1269 statype
= CFG80211_STA_IBSS
;
1271 case NL80211_IFTYPE_STATION
:
1272 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1273 statype
= CFG80211_STA_AP_STA
;
1276 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1277 statype
= CFG80211_STA_TDLS_PEER_ACTIVE
;
1279 statype
= CFG80211_STA_TDLS_PEER_SETUP
;
1281 case NL80211_IFTYPE_AP
:
1282 case NL80211_IFTYPE_AP_VLAN
:
1283 statype
= CFG80211_STA_AP_CLIENT
;
1290 err
= cfg80211_check_station_change(wiphy
, params
, statype
);
1294 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1295 bool prev_4addr
= false;
1296 bool new_4addr
= false;
1298 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1300 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1301 if (vlansdata
->u
.vlan
.sta
) {
1306 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1310 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1311 sta
->sdata
->u
.vlan
.sta
) {
1312 RCU_INIT_POINTER(sta
->sdata
->u
.vlan
.sta
, NULL
);
1316 sta
->sdata
= vlansdata
;
1318 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1319 prev_4addr
!= new_4addr
) {
1321 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1323 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1326 ieee80211_send_layer2_update(sta
);
1329 err
= sta_apply_parameters(local
, sta
, params
);
1333 /* When peer becomes authorized, init rate control as well */
1334 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1335 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1336 rate_control_rate_init(sta
);
1338 mutex_unlock(&local
->sta_mtx
);
1340 if ((sdata
->vif
.type
== NL80211_IFTYPE_AP
||
1341 sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
) &&
1342 sta
->known_smps_mode
!= sta
->sdata
->bss
->req_smps
&&
1343 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
) &&
1344 sta_info_tx_streams(sta
) != 1) {
1346 "%pM just authorized and MIMO capable - update SMPS\n",
1348 ieee80211_send_smps_action(sta
->sdata
,
1349 sta
->sdata
->bss
->req_smps
,
1351 sta
->sdata
->vif
.bss_conf
.bssid
);
1354 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1355 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1356 ieee80211_recalc_ps(local
, -1);
1357 ieee80211_recalc_ps_vif(sdata
);
1362 mutex_unlock(&local
->sta_mtx
);
1366 #ifdef CONFIG_MAC80211_MESH
1367 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1368 const u8
*dst
, const u8
*next_hop
)
1370 struct ieee80211_sub_if_data
*sdata
;
1371 struct mesh_path
*mpath
;
1372 struct sta_info
*sta
;
1374 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1377 sta
= sta_info_get(sdata
, next_hop
);
1383 mpath
= mesh_path_add(sdata
, dst
);
1384 if (IS_ERR(mpath
)) {
1386 return PTR_ERR(mpath
);
1389 mesh_path_fix_nexthop(mpath
, sta
);
1395 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1398 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1401 return mesh_path_del(sdata
, dst
);
1403 mesh_path_flush_by_iface(sdata
);
1407 static int ieee80211_change_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1408 const u8
*dst
, const u8
*next_hop
)
1410 struct ieee80211_sub_if_data
*sdata
;
1411 struct mesh_path
*mpath
;
1412 struct sta_info
*sta
;
1414 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1418 sta
= sta_info_get(sdata
, next_hop
);
1424 mpath
= mesh_path_lookup(sdata
, dst
);
1430 mesh_path_fix_nexthop(mpath
, sta
);
1436 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1437 struct mpath_info
*pinfo
)
1439 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1442 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1444 memset(next_hop
, 0, ETH_ALEN
);
1446 memset(pinfo
, 0, sizeof(*pinfo
));
1448 pinfo
->generation
= mesh_paths_generation
;
1450 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1453 MPATH_INFO_EXPTIME
|
1454 MPATH_INFO_DISCOVERY_TIMEOUT
|
1455 MPATH_INFO_DISCOVERY_RETRIES
|
1458 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1459 pinfo
->sn
= mpath
->sn
;
1460 pinfo
->metric
= mpath
->metric
;
1461 if (time_before(jiffies
, mpath
->exp_time
))
1462 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1463 pinfo
->discovery_timeout
=
1464 jiffies_to_msecs(mpath
->discovery_timeout
);
1465 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1466 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1467 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1468 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1469 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1470 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1471 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1472 if (mpath
->flags
& MESH_PATH_FIXED
)
1473 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1474 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1475 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1478 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1479 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1482 struct ieee80211_sub_if_data
*sdata
;
1483 struct mesh_path
*mpath
;
1485 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1488 mpath
= mesh_path_lookup(sdata
, dst
);
1493 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1494 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1499 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1500 int idx
, u8
*dst
, u8
*next_hop
,
1501 struct mpath_info
*pinfo
)
1503 struct ieee80211_sub_if_data
*sdata
;
1504 struct mesh_path
*mpath
;
1506 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1509 mpath
= mesh_path_lookup_by_idx(sdata
, idx
);
1514 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1515 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1520 static void mpp_set_pinfo(struct mesh_path
*mpath
, u8
*mpp
,
1521 struct mpath_info
*pinfo
)
1523 memset(pinfo
, 0, sizeof(*pinfo
));
1524 memcpy(mpp
, mpath
->mpp
, ETH_ALEN
);
1526 pinfo
->generation
= mpp_paths_generation
;
1529 static int ieee80211_get_mpp(struct wiphy
*wiphy
, struct net_device
*dev
,
1530 u8
*dst
, u8
*mpp
, struct mpath_info
*pinfo
)
1533 struct ieee80211_sub_if_data
*sdata
;
1534 struct mesh_path
*mpath
;
1536 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1539 mpath
= mpp_path_lookup(sdata
, dst
);
1544 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1545 mpp_set_pinfo(mpath
, mpp
, pinfo
);
1550 static int ieee80211_dump_mpp(struct wiphy
*wiphy
, struct net_device
*dev
,
1551 int idx
, u8
*dst
, u8
*mpp
,
1552 struct mpath_info
*pinfo
)
1554 struct ieee80211_sub_if_data
*sdata
;
1555 struct mesh_path
*mpath
;
1557 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1560 mpath
= mpp_path_lookup_by_idx(sdata
, idx
);
1565 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1566 mpp_set_pinfo(mpath
, mpp
, pinfo
);
1571 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1572 struct net_device
*dev
,
1573 struct mesh_config
*conf
)
1575 struct ieee80211_sub_if_data
*sdata
;
1576 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1578 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1582 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1584 return (mask
>> (parm
-1)) & 0x1;
1587 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1588 const struct mesh_setup
*setup
)
1592 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1593 struct ieee80211_sub_if_data
, u
.mesh
);
1595 /* allocate information elements */
1599 if (setup
->ie_len
) {
1600 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1605 ifmsh
->ie_len
= setup
->ie_len
;
1609 /* now copy the rest of the setup parameters */
1610 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1611 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1612 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1613 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1614 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1615 ifmsh
->user_mpm
= setup
->user_mpm
;
1616 ifmsh
->mesh_auth_id
= setup
->auth_id
;
1617 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1618 if (setup
->is_authenticated
)
1619 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1620 if (setup
->is_secure
)
1621 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1623 /* mcast rate setting in Mesh Node */
1624 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1625 sizeof(setup
->mcast_rate
));
1626 sdata
->vif
.bss_conf
.basic_rates
= setup
->basic_rates
;
1628 sdata
->vif
.bss_conf
.beacon_int
= setup
->beacon_interval
;
1629 sdata
->vif
.bss_conf
.dtim_period
= setup
->dtim_period
;
1634 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1635 struct net_device
*dev
, u32 mask
,
1636 const struct mesh_config
*nconf
)
1638 struct mesh_config
*conf
;
1639 struct ieee80211_sub_if_data
*sdata
;
1640 struct ieee80211_if_mesh
*ifmsh
;
1642 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1643 ifmsh
= &sdata
->u
.mesh
;
1645 /* Set the config options which we are interested in setting */
1646 conf
= &(sdata
->u
.mesh
.mshcfg
);
1647 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1648 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1649 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1650 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1651 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1652 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1653 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1654 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1655 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1656 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1657 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1658 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1659 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1660 conf
->element_ttl
= nconf
->element_ttl
;
1661 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
)) {
1662 if (ifmsh
->user_mpm
)
1664 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1666 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1667 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1668 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1669 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1670 conf
->dot11MeshHWMPmaxPREQretries
=
1671 nconf
->dot11MeshHWMPmaxPREQretries
;
1672 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1673 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1674 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1675 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1676 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1677 conf
->dot11MeshHWMPactivePathTimeout
=
1678 nconf
->dot11MeshHWMPactivePathTimeout
;
1679 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1680 conf
->dot11MeshHWMPpreqMinInterval
=
1681 nconf
->dot11MeshHWMPpreqMinInterval
;
1682 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1683 conf
->dot11MeshHWMPperrMinInterval
=
1684 nconf
->dot11MeshHWMPperrMinInterval
;
1685 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1687 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1688 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1689 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1690 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1691 ieee80211_mesh_root_setup(ifmsh
);
1693 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1694 /* our current gate announcement implementation rides on root
1695 * announcements, so require this ifmsh to also be a root node
1697 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1698 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1699 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1700 ieee80211_mesh_root_setup(ifmsh
);
1702 conf
->dot11MeshGateAnnouncementProtocol
=
1703 nconf
->dot11MeshGateAnnouncementProtocol
;
1705 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1706 conf
->dot11MeshHWMPRannInterval
=
1707 nconf
->dot11MeshHWMPRannInterval
;
1708 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1709 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1710 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1711 /* our RSSI threshold implementation is supported only for
1712 * devices that report signal in dBm.
1714 if (!(sdata
->local
->hw
.flags
& IEEE80211_HW_SIGNAL_DBM
))
1716 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1718 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1719 conf
->ht_opmode
= nconf
->ht_opmode
;
1720 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1721 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1723 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1724 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1725 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1726 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1727 conf
->dot11MeshHWMProotInterval
=
1728 nconf
->dot11MeshHWMProotInterval
;
1729 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1730 conf
->dot11MeshHWMPconfirmationInterval
=
1731 nconf
->dot11MeshHWMPconfirmationInterval
;
1732 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE
, mask
)) {
1733 conf
->power_mode
= nconf
->power_mode
;
1734 ieee80211_mps_local_status_update(sdata
);
1736 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW
, mask
))
1737 conf
->dot11MeshAwakeWindowDuration
=
1738 nconf
->dot11MeshAwakeWindowDuration
;
1739 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT
, mask
))
1740 conf
->plink_timeout
= nconf
->plink_timeout
;
1741 ieee80211_mbss_info_change_notify(sdata
, BSS_CHANGED_BEACON
);
1745 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1746 const struct mesh_config
*conf
,
1747 const struct mesh_setup
*setup
)
1749 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1750 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1753 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1754 err
= copy_mesh_setup(ifmsh
, setup
);
1758 /* can mesh use other SMPS modes? */
1759 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
1760 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
1762 mutex_lock(&sdata
->local
->mtx
);
1763 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
1764 IEEE80211_CHANCTX_SHARED
);
1765 mutex_unlock(&sdata
->local
->mtx
);
1769 return ieee80211_start_mesh(sdata
);
1772 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1774 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1776 ieee80211_stop_mesh(sdata
);
1777 mutex_lock(&sdata
->local
->mtx
);
1778 ieee80211_vif_release_channel(sdata
);
1779 mutex_unlock(&sdata
->local
->mtx
);
1785 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1786 struct net_device
*dev
,
1787 struct bss_parameters
*params
)
1789 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1790 enum ieee80211_band band
;
1793 if (!sdata_dereference(sdata
->u
.ap
.beacon
, sdata
))
1796 band
= ieee80211_get_sdata_band(sdata
);
1798 if (params
->use_cts_prot
>= 0) {
1799 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1800 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1802 if (params
->use_short_preamble
>= 0) {
1803 sdata
->vif
.bss_conf
.use_short_preamble
=
1804 params
->use_short_preamble
;
1805 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1808 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1809 band
== IEEE80211_BAND_5GHZ
) {
1810 sdata
->vif
.bss_conf
.use_short_slot
= true;
1811 changed
|= BSS_CHANGED_ERP_SLOT
;
1814 if (params
->use_short_slot_time
>= 0) {
1815 sdata
->vif
.bss_conf
.use_short_slot
=
1816 params
->use_short_slot_time
;
1817 changed
|= BSS_CHANGED_ERP_SLOT
;
1820 if (params
->basic_rates
) {
1821 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1823 params
->basic_rates
,
1824 params
->basic_rates_len
,
1825 &sdata
->vif
.bss_conf
.basic_rates
);
1826 changed
|= BSS_CHANGED_BASIC_RATES
;
1829 if (params
->ap_isolate
>= 0) {
1830 if (params
->ap_isolate
)
1831 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1833 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1836 if (params
->ht_opmode
>= 0) {
1837 sdata
->vif
.bss_conf
.ht_operation_mode
=
1838 (u16
) params
->ht_opmode
;
1839 changed
|= BSS_CHANGED_HT
;
1842 if (params
->p2p_ctwindow
>= 0) {
1843 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
1844 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1845 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1846 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1847 changed
|= BSS_CHANGED_P2P_PS
;
1850 if (params
->p2p_opp_ps
> 0) {
1851 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1852 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1853 changed
|= BSS_CHANGED_P2P_PS
;
1854 } else if (params
->p2p_opp_ps
== 0) {
1855 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
1856 ~IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1857 changed
|= BSS_CHANGED_P2P_PS
;
1860 ieee80211_bss_info_change_notify(sdata
, changed
);
1865 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1866 struct net_device
*dev
,
1867 struct ieee80211_txq_params
*params
)
1869 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1870 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1871 struct ieee80211_tx_queue_params p
;
1873 if (!local
->ops
->conf_tx
)
1876 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1879 memset(&p
, 0, sizeof(p
));
1880 p
.aifs
= params
->aifs
;
1881 p
.cw_max
= params
->cwmax
;
1882 p
.cw_min
= params
->cwmin
;
1883 p
.txop
= params
->txop
;
1886 * Setting tx queue params disables u-apsd because it's only
1887 * called in master mode.
1891 sdata
->tx_conf
[params
->ac
] = p
;
1892 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1893 wiphy_debug(local
->hw
.wiphy
,
1894 "failed to set TX queue parameters for AC %d\n",
1899 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
1905 static int ieee80211_suspend(struct wiphy
*wiphy
,
1906 struct cfg80211_wowlan
*wowlan
)
1908 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1911 static int ieee80211_resume(struct wiphy
*wiphy
)
1913 return __ieee80211_resume(wiphy_priv(wiphy
));
1916 #define ieee80211_suspend NULL
1917 #define ieee80211_resume NULL
1920 static int ieee80211_scan(struct wiphy
*wiphy
,
1921 struct cfg80211_scan_request
*req
)
1923 struct ieee80211_sub_if_data
*sdata
;
1925 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
1927 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
1928 case NL80211_IFTYPE_STATION
:
1929 case NL80211_IFTYPE_ADHOC
:
1930 case NL80211_IFTYPE_MESH_POINT
:
1931 case NL80211_IFTYPE_P2P_CLIENT
:
1932 case NL80211_IFTYPE_P2P_DEVICE
:
1934 case NL80211_IFTYPE_P2P_GO
:
1935 if (sdata
->local
->ops
->hw_scan
)
1938 * FIXME: implement NoA while scanning in software,
1939 * for now fall through to allow scanning only when
1940 * beaconing hasn't been configured yet
1942 case NL80211_IFTYPE_AP
:
1944 * If the scan has been forced (and the driver supports
1945 * forcing), don't care about being beaconing already.
1946 * This will create problems to the attached stations (e.g. all
1947 * the frames sent while scanning on other channel will be
1950 if (sdata
->u
.ap
.beacon
&&
1951 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
1952 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
1959 return ieee80211_request_scan(sdata
, req
);
1963 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
1964 struct net_device
*dev
,
1965 struct cfg80211_sched_scan_request
*req
)
1967 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1969 if (!sdata
->local
->ops
->sched_scan_start
)
1972 return ieee80211_request_sched_scan_start(sdata
, req
);
1976 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
1978 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1980 if (!sdata
->local
->ops
->sched_scan_stop
)
1983 return ieee80211_request_sched_scan_stop(sdata
);
1986 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
1987 struct cfg80211_auth_request
*req
)
1989 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1992 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
1993 struct cfg80211_assoc_request
*req
)
1995 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
1998 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
1999 struct cfg80211_deauth_request
*req
)
2001 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2004 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2005 struct cfg80211_disassoc_request
*req
)
2007 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2010 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2011 struct cfg80211_ibss_params
*params
)
2013 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
2016 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2018 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2021 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
2022 int rate
[IEEE80211_NUM_BANDS
])
2024 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2026 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
,
2027 sizeof(int) * IEEE80211_NUM_BANDS
);
2032 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
2034 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2037 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
2038 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
2044 if ((changed
& WIPHY_PARAM_COVERAGE_CLASS
) ||
2045 (changed
& WIPHY_PARAM_DYN_ACK
)) {
2048 coverage_class
= changed
& WIPHY_PARAM_COVERAGE_CLASS
?
2049 wiphy
->coverage_class
: -1;
2050 err
= drv_set_coverage_class(local
, coverage_class
);
2056 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
2057 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2063 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2064 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2066 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2068 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2069 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2071 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2074 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2075 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2080 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2081 struct wireless_dev
*wdev
,
2082 enum nl80211_tx_power_setting type
, int mbm
)
2084 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2085 struct ieee80211_sub_if_data
*sdata
;
2088 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2091 case NL80211_TX_POWER_AUTOMATIC
:
2092 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2094 case NL80211_TX_POWER_LIMITED
:
2095 case NL80211_TX_POWER_FIXED
:
2096 if (mbm
< 0 || (mbm
% 100))
2098 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2102 ieee80211_recalc_txpower(sdata
);
2108 case NL80211_TX_POWER_AUTOMATIC
:
2109 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2111 case NL80211_TX_POWER_LIMITED
:
2112 case NL80211_TX_POWER_FIXED
:
2113 if (mbm
< 0 || (mbm
% 100))
2115 local
->user_power_level
= MBM_TO_DBM(mbm
);
2119 mutex_lock(&local
->iflist_mtx
);
2120 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2121 sdata
->user_power_level
= local
->user_power_level
;
2122 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2123 ieee80211_recalc_txpower(sdata
);
2124 mutex_unlock(&local
->iflist_mtx
);
2129 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2130 struct wireless_dev
*wdev
,
2133 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2134 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2136 if (!local
->use_chanctx
)
2137 *dbm
= local
->hw
.conf
.power_level
;
2139 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2144 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2147 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2149 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2154 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2156 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2158 drv_rfkill_poll(local
);
2161 #ifdef CONFIG_NL80211_TESTMODE
2162 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
,
2163 struct wireless_dev
*wdev
,
2164 void *data
, int len
)
2166 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2167 struct ieee80211_vif
*vif
= NULL
;
2169 if (!local
->ops
->testmode_cmd
)
2173 struct ieee80211_sub_if_data
*sdata
;
2175 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2176 if (sdata
->flags
& IEEE80211_SDATA_IN_DRIVER
)
2180 return local
->ops
->testmode_cmd(&local
->hw
, vif
, data
, len
);
2183 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2184 struct sk_buff
*skb
,
2185 struct netlink_callback
*cb
,
2186 void *data
, int len
)
2188 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2190 if (!local
->ops
->testmode_dump
)
2193 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2197 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data
*sdata
,
2198 enum ieee80211_smps_mode smps_mode
)
2200 struct sta_info
*sta
;
2201 enum ieee80211_smps_mode old_req
;
2204 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_AP
))
2207 if (sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2210 old_req
= sdata
->u
.ap
.req_smps
;
2211 sdata
->u
.ap
.req_smps
= smps_mode
;
2213 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2214 if (old_req
== smps_mode
||
2215 smps_mode
== IEEE80211_SMPS_AUTOMATIC
)
2218 /* If no associated stations, there's no need to do anything */
2219 if (!atomic_read(&sdata
->u
.ap
.num_mcast_sta
)) {
2220 sdata
->smps_mode
= smps_mode
;
2221 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2226 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2227 smps_mode
, atomic_read(&sdata
->u
.ap
.num_mcast_sta
));
2229 mutex_lock(&sdata
->local
->sta_mtx
);
2230 for (i
= 0; i
< STA_HASH_SIZE
; i
++) {
2231 for (sta
= rcu_dereference_protected(sdata
->local
->sta_hash
[i
],
2232 lockdep_is_held(&sdata
->local
->sta_mtx
));
2234 sta
= rcu_dereference_protected(sta
->hnext
,
2235 lockdep_is_held(&sdata
->local
->sta_mtx
))) {
2237 * Only stations associated to our AP and
2240 if (sta
->sdata
->bss
!= &sdata
->u
.ap
)
2243 /* This station doesn't support MIMO - skip it */
2244 if (sta_info_tx_streams(sta
) == 1)
2248 * Don't wake up a STA just to send the action frame
2249 * unless we are getting more restrictive.
2251 if (test_sta_flag(sta
, WLAN_STA_PS_STA
) &&
2252 !ieee80211_smps_is_restrictive(sta
->known_smps_mode
,
2255 "Won't send SMPS to sleeping STA %pM\n",
2261 * If the STA is not authorized, wait until it gets
2262 * authorized and the action frame will be sent then.
2264 if (!test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2267 ht_dbg(sdata
, "Sending SMPS to %pM\n", sta
->sta
.addr
);
2268 ieee80211_send_smps_action(sdata
, smps_mode
,
2270 sdata
->vif
.bss_conf
.bssid
);
2273 mutex_unlock(&sdata
->local
->sta_mtx
);
2275 sdata
->smps_mode
= smps_mode
;
2276 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2281 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data
*sdata
,
2282 enum ieee80211_smps_mode smps_mode
)
2285 enum ieee80211_smps_mode old_req
;
2288 lockdep_assert_held(&sdata
->wdev
.mtx
);
2290 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_STATION
))
2293 old_req
= sdata
->u
.mgd
.req_smps
;
2294 sdata
->u
.mgd
.req_smps
= smps_mode
;
2296 if (old_req
== smps_mode
&&
2297 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2301 * If not associated, or current association is not an HT
2302 * association, there's no need to do anything, just store
2303 * the new value until we associate.
2305 if (!sdata
->u
.mgd
.associated
||
2306 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2309 ap
= sdata
->u
.mgd
.associated
->bssid
;
2311 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2312 if (sdata
->u
.mgd
.powersave
)
2313 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2315 smps_mode
= IEEE80211_SMPS_OFF
;
2318 /* send SM PS frame to AP */
2319 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2322 sdata
->u
.mgd
.req_smps
= old_req
;
2327 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2328 bool enabled
, int timeout
)
2330 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2331 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2333 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2336 if (!(local
->hw
.flags
& IEEE80211_HW_SUPPORTS_PS
))
2339 if (enabled
== sdata
->u
.mgd
.powersave
&&
2340 timeout
== local
->dynamic_ps_forced_timeout
)
2343 sdata
->u
.mgd
.powersave
= enabled
;
2344 local
->dynamic_ps_forced_timeout
= timeout
;
2346 /* no change, but if automatic follow powersave */
2348 __ieee80211_request_smps_mgd(sdata
, sdata
->u
.mgd
.req_smps
);
2349 sdata_unlock(sdata
);
2351 if (local
->hw
.flags
& IEEE80211_HW_SUPPORTS_DYNAMIC_PS
)
2352 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2354 ieee80211_recalc_ps(local
, -1);
2355 ieee80211_recalc_ps_vif(sdata
);
2360 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2361 struct net_device
*dev
,
2362 s32 rssi_thold
, u32 rssi_hyst
)
2364 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2365 struct ieee80211_vif
*vif
= &sdata
->vif
;
2366 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2368 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2369 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2372 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2373 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2375 /* tell the driver upon association, unless already associated */
2376 if (sdata
->u
.mgd
.associated
&&
2377 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2378 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2383 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2384 struct net_device
*dev
,
2386 const struct cfg80211_bitrate_mask
*mask
)
2388 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2389 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2392 if (!ieee80211_sdata_running(sdata
))
2395 if (local
->hw
.flags
& IEEE80211_HW_HAS_RATE_CONTROL
) {
2396 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2401 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
2402 struct ieee80211_supported_band
*sband
= wiphy
->bands
[i
];
2405 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2406 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].ht_mcs
,
2407 sizeof(mask
->control
[i
].ht_mcs
));
2409 sdata
->rc_has_mcs_mask
[i
] = false;
2413 for (j
= 0; j
< IEEE80211_HT_MCS_MASK_LEN
; j
++)
2414 if (~sdata
->rc_rateidx_mcs_mask
[i
][j
]) {
2415 sdata
->rc_has_mcs_mask
[i
] = true;
2423 static bool ieee80211_coalesce_started_roc(struct ieee80211_local
*local
,
2424 struct ieee80211_roc_work
*new_roc
,
2425 struct ieee80211_roc_work
*cur_roc
)
2427 unsigned long j
= jiffies
;
2428 unsigned long cur_roc_end
= cur_roc
->hw_start_time
+
2429 msecs_to_jiffies(cur_roc
->duration
);
2430 struct ieee80211_roc_work
*next_roc
;
2433 if (WARN_ON(!cur_roc
->started
|| !cur_roc
->hw_begun
))
2436 if (time_after(j
+ IEEE80211_ROC_MIN_LEFT
, cur_roc_end
))
2439 ieee80211_handle_roc_started(new_roc
);
2441 new_dur
= new_roc
->duration
- jiffies_to_msecs(cur_roc_end
- j
);
2443 /* cur_roc is long enough - add new_roc to the dependents list. */
2445 list_add_tail(&new_roc
->list
, &cur_roc
->dependents
);
2449 new_roc
->duration
= new_dur
;
2452 * if cur_roc was already coalesced before, we might
2453 * want to extend the next roc instead of adding
2456 next_roc
= list_entry(cur_roc
->list
.next
,
2457 struct ieee80211_roc_work
, list
);
2458 if (&next_roc
->list
!= &local
->roc_list
&&
2459 next_roc
->chan
== new_roc
->chan
&&
2460 next_roc
->sdata
== new_roc
->sdata
&&
2461 !WARN_ON(next_roc
->started
)) {
2462 list_add_tail(&new_roc
->list
, &next_roc
->dependents
);
2463 next_roc
->duration
= max(next_roc
->duration
,
2465 next_roc
->type
= max(next_roc
->type
, new_roc
->type
);
2469 /* add right after cur_roc */
2470 list_add(&new_roc
->list
, &cur_roc
->list
);
2475 static int ieee80211_start_roc_work(struct ieee80211_local
*local
,
2476 struct ieee80211_sub_if_data
*sdata
,
2477 struct ieee80211_channel
*channel
,
2478 unsigned int duration
, u64
*cookie
,
2479 struct sk_buff
*txskb
,
2480 enum ieee80211_roc_type type
)
2482 struct ieee80211_roc_work
*roc
, *tmp
;
2483 bool queued
= false;
2486 lockdep_assert_held(&local
->mtx
);
2488 if (local
->use_chanctx
&& !local
->ops
->remain_on_channel
)
2491 roc
= kzalloc(sizeof(*roc
), GFP_KERNEL
);
2496 * If the duration is zero, then the driver
2497 * wouldn't actually do anything. Set it to
2500 * TODO: cancel the off-channel operation
2501 * when we get the SKB's TX status and
2502 * the wait time was zero before.
2507 roc
->chan
= channel
;
2508 roc
->duration
= duration
;
2509 roc
->req_duration
= duration
;
2512 roc
->mgmt_tx_cookie
= (unsigned long)txskb
;
2514 INIT_DELAYED_WORK(&roc
->work
, ieee80211_sw_roc_work
);
2515 INIT_LIST_HEAD(&roc
->dependents
);
2518 * cookie is either the roc cookie (for normal roc)
2519 * or the SKB (for mgmt TX)
2522 /* local->mtx protects this */
2523 local
->roc_cookie_counter
++;
2524 roc
->cookie
= local
->roc_cookie_counter
;
2525 /* wow, you wrapped 64 bits ... more likely a bug */
2526 if (WARN_ON(roc
->cookie
== 0)) {
2528 local
->roc_cookie_counter
++;
2530 *cookie
= roc
->cookie
;
2532 *cookie
= (unsigned long)txskb
;
2535 /* if there's one pending or we're scanning, queue this one */
2536 if (!list_empty(&local
->roc_list
) ||
2537 local
->scanning
|| local
->radar_detect_enabled
)
2538 goto out_check_combine
;
2540 /* if not HW assist, just queue & schedule work */
2541 if (!local
->ops
->remain_on_channel
) {
2542 ieee80211_queue_delayed_work(&local
->hw
, &roc
->work
, 0);
2546 /* otherwise actually kick it off here (for error handling) */
2548 ret
= drv_remain_on_channel(local
, sdata
, channel
, duration
, type
);
2554 roc
->started
= true;
2558 list_for_each_entry(tmp
, &local
->roc_list
, list
) {
2559 if (tmp
->chan
!= channel
|| tmp
->sdata
!= sdata
)
2563 * Extend this ROC if possible:
2565 * If it hasn't started yet, just increase the duration
2566 * and add the new one to the list of dependents.
2567 * If the type of the new ROC has higher priority, modify the
2568 * type of the previous one to match that of the new one.
2570 if (!tmp
->started
) {
2571 list_add_tail(&roc
->list
, &tmp
->dependents
);
2572 tmp
->duration
= max(tmp
->duration
, roc
->duration
);
2573 tmp
->type
= max(tmp
->type
, roc
->type
);
2578 /* If it has already started, it's more difficult ... */
2579 if (local
->ops
->remain_on_channel
) {
2581 * In the offloaded ROC case, if it hasn't begun, add
2582 * this new one to the dependent list to be handled
2583 * when the master one begins. If it has begun,
2584 * check that there's still a minimum time left and
2585 * if so, start this one, transmitting the frame, but
2586 * add it to the list directly after this one with
2587 * a reduced time so we'll ask the driver to execute
2588 * it right after finishing the previous one, in the
2589 * hope that it'll also be executed right afterwards,
2590 * effectively extending the old one.
2591 * If there's no minimum time left, just add it to the
2593 * TODO: the ROC type is ignored here, assuming that it
2594 * is better to immediately use the current ROC.
2596 if (!tmp
->hw_begun
) {
2597 list_add_tail(&roc
->list
, &tmp
->dependents
);
2602 if (ieee80211_coalesce_started_roc(local
, roc
, tmp
))
2604 } else if (del_timer_sync(&tmp
->work
.timer
)) {
2605 unsigned long new_end
;
2608 * In the software ROC case, cancel the timer, if
2609 * that fails then the finish work is already
2610 * queued/pending and thus we queue the new ROC
2611 * normally, if that succeeds then we can extend
2612 * the timer duration and TX the frame (if any.)
2615 list_add_tail(&roc
->list
, &tmp
->dependents
);
2618 new_end
= jiffies
+ msecs_to_jiffies(roc
->duration
);
2620 /* ok, it was started & we canceled timer */
2621 if (time_after(new_end
, tmp
->work
.timer
.expires
))
2622 mod_timer(&tmp
->work
.timer
, new_end
);
2624 add_timer(&tmp
->work
.timer
);
2626 ieee80211_handle_roc_started(roc
);
2633 list_add_tail(&roc
->list
, &local
->roc_list
);
2638 static int ieee80211_remain_on_channel(struct wiphy
*wiphy
,
2639 struct wireless_dev
*wdev
,
2640 struct ieee80211_channel
*chan
,
2641 unsigned int duration
,
2644 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2645 struct ieee80211_local
*local
= sdata
->local
;
2648 mutex_lock(&local
->mtx
);
2649 ret
= ieee80211_start_roc_work(local
, sdata
, chan
,
2650 duration
, cookie
, NULL
,
2651 IEEE80211_ROC_TYPE_NORMAL
);
2652 mutex_unlock(&local
->mtx
);
2657 static int ieee80211_cancel_roc(struct ieee80211_local
*local
,
2658 u64 cookie
, bool mgmt_tx
)
2660 struct ieee80211_roc_work
*roc
, *tmp
, *found
= NULL
;
2663 mutex_lock(&local
->mtx
);
2664 list_for_each_entry_safe(roc
, tmp
, &local
->roc_list
, list
) {
2665 struct ieee80211_roc_work
*dep
, *tmp2
;
2667 list_for_each_entry_safe(dep
, tmp2
, &roc
->dependents
, list
) {
2668 if (!mgmt_tx
&& dep
->cookie
!= cookie
)
2670 else if (mgmt_tx
&& dep
->mgmt_tx_cookie
!= cookie
)
2672 /* found dependent item -- just remove it */
2673 list_del(&dep
->list
);
2674 mutex_unlock(&local
->mtx
);
2676 ieee80211_roc_notify_destroy(dep
, true);
2680 if (!mgmt_tx
&& roc
->cookie
!= cookie
)
2682 else if (mgmt_tx
&& roc
->mgmt_tx_cookie
!= cookie
)
2690 mutex_unlock(&local
->mtx
);
2695 * We found the item to cancel, so do that. Note that it
2696 * may have dependents, which we also cancel (and send
2697 * the expired signal for.) Not doing so would be quite
2698 * tricky here, but we may need to fix it later.
2701 if (local
->ops
->remain_on_channel
) {
2702 if (found
->started
) {
2703 ret
= drv_cancel_remain_on_channel(local
);
2704 if (WARN_ON_ONCE(ret
)) {
2705 mutex_unlock(&local
->mtx
);
2710 list_del(&found
->list
);
2713 ieee80211_start_next_roc(local
);
2714 mutex_unlock(&local
->mtx
);
2716 ieee80211_roc_notify_destroy(found
, true);
2718 /* work may be pending so use it all the time */
2719 found
->abort
= true;
2720 ieee80211_queue_delayed_work(&local
->hw
, &found
->work
, 0);
2722 mutex_unlock(&local
->mtx
);
2724 /* work will clean up etc */
2725 flush_delayed_work(&found
->work
);
2726 WARN_ON(!found
->to_be_freed
);
2733 static int ieee80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
2734 struct wireless_dev
*wdev
,
2737 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2738 struct ieee80211_local
*local
= sdata
->local
;
2740 return ieee80211_cancel_roc(local
, cookie
, false);
2743 static int ieee80211_start_radar_detection(struct wiphy
*wiphy
,
2744 struct net_device
*dev
,
2745 struct cfg80211_chan_def
*chandef
,
2748 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2749 struct ieee80211_local
*local
= sdata
->local
;
2752 mutex_lock(&local
->mtx
);
2753 if (!list_empty(&local
->roc_list
) || local
->scanning
) {
2758 /* whatever, but channel contexts should not complain about that one */
2759 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2760 sdata
->needed_rx_chains
= local
->rx_chains
;
2762 err
= ieee80211_vif_use_channel(sdata
, chandef
,
2763 IEEE80211_CHANCTX_SHARED
);
2767 ieee80211_queue_delayed_work(&sdata
->local
->hw
,
2768 &sdata
->dfs_cac_timer_work
,
2769 msecs_to_jiffies(cac_time_ms
));
2772 mutex_unlock(&local
->mtx
);
2776 static struct cfg80211_beacon_data
*
2777 cfg80211_beacon_dup(struct cfg80211_beacon_data
*beacon
)
2779 struct cfg80211_beacon_data
*new_beacon
;
2783 len
= beacon
->head_len
+ beacon
->tail_len
+ beacon
->beacon_ies_len
+
2784 beacon
->proberesp_ies_len
+ beacon
->assocresp_ies_len
+
2785 beacon
->probe_resp_len
;
2787 new_beacon
= kzalloc(sizeof(*new_beacon
) + len
, GFP_KERNEL
);
2791 pos
= (u8
*)(new_beacon
+ 1);
2792 if (beacon
->head_len
) {
2793 new_beacon
->head_len
= beacon
->head_len
;
2794 new_beacon
->head
= pos
;
2795 memcpy(pos
, beacon
->head
, beacon
->head_len
);
2796 pos
+= beacon
->head_len
;
2798 if (beacon
->tail_len
) {
2799 new_beacon
->tail_len
= beacon
->tail_len
;
2800 new_beacon
->tail
= pos
;
2801 memcpy(pos
, beacon
->tail
, beacon
->tail_len
);
2802 pos
+= beacon
->tail_len
;
2804 if (beacon
->beacon_ies_len
) {
2805 new_beacon
->beacon_ies_len
= beacon
->beacon_ies_len
;
2806 new_beacon
->beacon_ies
= pos
;
2807 memcpy(pos
, beacon
->beacon_ies
, beacon
->beacon_ies_len
);
2808 pos
+= beacon
->beacon_ies_len
;
2810 if (beacon
->proberesp_ies_len
) {
2811 new_beacon
->proberesp_ies_len
= beacon
->proberesp_ies_len
;
2812 new_beacon
->proberesp_ies
= pos
;
2813 memcpy(pos
, beacon
->proberesp_ies
, beacon
->proberesp_ies_len
);
2814 pos
+= beacon
->proberesp_ies_len
;
2816 if (beacon
->assocresp_ies_len
) {
2817 new_beacon
->assocresp_ies_len
= beacon
->assocresp_ies_len
;
2818 new_beacon
->assocresp_ies
= pos
;
2819 memcpy(pos
, beacon
->assocresp_ies
, beacon
->assocresp_ies_len
);
2820 pos
+= beacon
->assocresp_ies_len
;
2822 if (beacon
->probe_resp_len
) {
2823 new_beacon
->probe_resp_len
= beacon
->probe_resp_len
;
2824 beacon
->probe_resp
= pos
;
2825 memcpy(pos
, beacon
->probe_resp
, beacon
->probe_resp_len
);
2826 pos
+= beacon
->probe_resp_len
;
2832 void ieee80211_csa_finish(struct ieee80211_vif
*vif
)
2834 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
2836 ieee80211_queue_work(&sdata
->local
->hw
,
2837 &sdata
->csa_finalize_work
);
2839 EXPORT_SYMBOL(ieee80211_csa_finish
);
2841 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
2846 switch (sdata
->vif
.type
) {
2847 case NL80211_IFTYPE_AP
:
2848 err
= ieee80211_assign_beacon(sdata
, sdata
->u
.ap
.next_beacon
,
2850 kfree(sdata
->u
.ap
.next_beacon
);
2851 sdata
->u
.ap
.next_beacon
= NULL
;
2857 case NL80211_IFTYPE_ADHOC
:
2858 err
= ieee80211_ibss_finish_csa(sdata
);
2863 #ifdef CONFIG_MAC80211_MESH
2864 case NL80211_IFTYPE_MESH_POINT
:
2865 err
= ieee80211_mesh_finish_csa(sdata
);
2879 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2881 struct ieee80211_local
*local
= sdata
->local
;
2885 sdata_assert_lock(sdata
);
2886 lockdep_assert_held(&local
->mtx
);
2887 lockdep_assert_held(&local
->chanctx_mtx
);
2890 * using reservation isn't immediate as it may be deferred until later
2891 * with multi-vif. once reservation is complete it will re-schedule the
2892 * work with no reserved_chanctx so verify chandef to check if it
2893 * completed successfully
2896 if (sdata
->reserved_chanctx
) {
2898 * with multi-vif csa driver may call ieee80211_csa_finish()
2899 * many times while waiting for other interfaces to use their
2902 if (sdata
->reserved_ready
)
2905 return ieee80211_vif_use_reserved_context(sdata
);
2908 if (!cfg80211_chandef_identical(&sdata
->vif
.bss_conf
.chandef
,
2909 &sdata
->csa_chandef
))
2912 sdata
->vif
.csa_active
= false;
2914 err
= ieee80211_set_after_csa_beacon(sdata
, &changed
);
2918 ieee80211_bss_info_change_notify(sdata
, changed
);
2920 if (sdata
->csa_block_tx
) {
2921 ieee80211_wake_vif_queues(local
, sdata
,
2922 IEEE80211_QUEUE_STOP_REASON_CSA
);
2923 sdata
->csa_block_tx
= false;
2926 err
= drv_post_channel_switch(sdata
);
2930 cfg80211_ch_switch_notify(sdata
->dev
, &sdata
->csa_chandef
);
2935 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2937 if (__ieee80211_csa_finalize(sdata
)) {
2938 sdata_info(sdata
, "failed to finalize CSA, disconnecting\n");
2939 cfg80211_stop_iface(sdata
->local
->hw
.wiphy
, &sdata
->wdev
,
2944 void ieee80211_csa_finalize_work(struct work_struct
*work
)
2946 struct ieee80211_sub_if_data
*sdata
=
2947 container_of(work
, struct ieee80211_sub_if_data
,
2949 struct ieee80211_local
*local
= sdata
->local
;
2952 mutex_lock(&local
->mtx
);
2953 mutex_lock(&local
->chanctx_mtx
);
2955 /* AP might have been stopped while waiting for the lock. */
2956 if (!sdata
->vif
.csa_active
)
2959 if (!ieee80211_sdata_running(sdata
))
2962 ieee80211_csa_finalize(sdata
);
2965 mutex_unlock(&local
->chanctx_mtx
);
2966 mutex_unlock(&local
->mtx
);
2967 sdata_unlock(sdata
);
2970 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
2971 struct cfg80211_csa_settings
*params
,
2974 struct ieee80211_csa_settings csa
= {};
2977 switch (sdata
->vif
.type
) {
2978 case NL80211_IFTYPE_AP
:
2979 sdata
->u
.ap
.next_beacon
=
2980 cfg80211_beacon_dup(¶ms
->beacon_after
);
2981 if (!sdata
->u
.ap
.next_beacon
)
2985 * With a count of 0, we don't have to wait for any
2986 * TBTT before switching, so complete the CSA
2987 * immediately. In theory, with a count == 1 we
2988 * should delay the switch until just before the next
2989 * TBTT, but that would complicate things so we switch
2990 * immediately too. If we would delay the switch
2991 * until the next TBTT, we would have to set the probe
2994 * TODO: A channel switch with count <= 1 without
2995 * sending a CSA action frame is kind of useless,
2996 * because the clients won't know we're changing
2997 * channels. The action frame must be implemented
2998 * either here or in the userspace.
3000 if (params
->count
<= 1)
3003 if ((params
->n_counter_offsets_beacon
>
3004 IEEE80211_MAX_CSA_COUNTERS_NUM
) ||
3005 (params
->n_counter_offsets_presp
>
3006 IEEE80211_MAX_CSA_COUNTERS_NUM
))
3009 csa
.counter_offsets_beacon
= params
->counter_offsets_beacon
;
3010 csa
.counter_offsets_presp
= params
->counter_offsets_presp
;
3011 csa
.n_counter_offsets_beacon
= params
->n_counter_offsets_beacon
;
3012 csa
.n_counter_offsets_presp
= params
->n_counter_offsets_presp
;
3013 csa
.count
= params
->count
;
3015 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon_csa
, &csa
);
3017 kfree(sdata
->u
.ap
.next_beacon
);
3023 case NL80211_IFTYPE_ADHOC
:
3024 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3027 if (params
->chandef
.width
!= sdata
->u
.ibss
.chandef
.width
)
3030 switch (params
->chandef
.width
) {
3031 case NL80211_CHAN_WIDTH_40
:
3032 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
3033 cfg80211_get_chandef_type(&sdata
->u
.ibss
.chandef
))
3035 case NL80211_CHAN_WIDTH_5
:
3036 case NL80211_CHAN_WIDTH_10
:
3037 case NL80211_CHAN_WIDTH_20_NOHT
:
3038 case NL80211_CHAN_WIDTH_20
:
3044 /* changes into another band are not supported */
3045 if (sdata
->u
.ibss
.chandef
.chan
->band
!=
3046 params
->chandef
.chan
->band
)
3049 /* see comments in the NL80211_IFTYPE_AP block */
3050 if (params
->count
> 1) {
3051 err
= ieee80211_ibss_csa_beacon(sdata
, params
);
3057 ieee80211_send_action_csa(sdata
, params
);
3060 #ifdef CONFIG_MAC80211_MESH
3061 case NL80211_IFTYPE_MESH_POINT
: {
3062 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
3064 if (params
->chandef
.width
!= sdata
->vif
.bss_conf
.chandef
.width
)
3067 /* changes into another band are not supported */
3068 if (sdata
->vif
.bss_conf
.chandef
.chan
->band
!=
3069 params
->chandef
.chan
->band
)
3072 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_NONE
) {
3073 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_INIT
;
3074 if (!ifmsh
->pre_value
)
3075 ifmsh
->pre_value
= 1;
3080 /* see comments in the NL80211_IFTYPE_AP block */
3081 if (params
->count
> 1) {
3082 err
= ieee80211_mesh_csa_beacon(sdata
, params
);
3084 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_NONE
;
3090 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_INIT
)
3091 ieee80211_send_action_csa(sdata
, params
);
3104 __ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3105 struct cfg80211_csa_settings
*params
)
3107 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3108 struct ieee80211_local
*local
= sdata
->local
;
3109 struct ieee80211_channel_switch ch_switch
;
3110 struct ieee80211_chanctx_conf
*conf
;
3111 struct ieee80211_chanctx
*chanctx
;
3115 sdata_assert_lock(sdata
);
3116 lockdep_assert_held(&local
->mtx
);
3118 if (!list_empty(&local
->roc_list
) || local
->scanning
)
3121 if (sdata
->wdev
.cac_started
)
3124 if (cfg80211_chandef_identical(¶ms
->chandef
,
3125 &sdata
->vif
.bss_conf
.chandef
))
3128 /* don't allow another channel switch if one is already active. */
3129 if (sdata
->vif
.csa_active
)
3132 mutex_lock(&local
->chanctx_mtx
);
3133 conf
= rcu_dereference_protected(sdata
->vif
.chanctx_conf
,
3134 lockdep_is_held(&local
->chanctx_mtx
));
3140 chanctx
= container_of(conf
, struct ieee80211_chanctx
, conf
);
3146 err
= drv_pre_channel_switch(sdata
, &ch_switch
);
3150 err
= ieee80211_vif_reserve_chanctx(sdata
, ¶ms
->chandef
,
3152 params
->radar_required
);
3156 /* if reservation is invalid then this will fail */
3157 err
= ieee80211_check_combinations(sdata
, NULL
, chanctx
->mode
, 0);
3159 ieee80211_vif_unreserve_chanctx(sdata
);
3163 ch_switch
.timestamp
= 0;
3164 ch_switch
.device_timestamp
= 0;
3165 ch_switch
.block_tx
= params
->block_tx
;
3166 ch_switch
.chandef
= params
->chandef
;
3167 ch_switch
.count
= params
->count
;
3169 err
= ieee80211_set_csa_beacon(sdata
, params
, &changed
);
3171 ieee80211_vif_unreserve_chanctx(sdata
);
3175 sdata
->csa_chandef
= params
->chandef
;
3176 sdata
->csa_block_tx
= params
->block_tx
;
3177 sdata
->vif
.csa_active
= true;
3179 if (sdata
->csa_block_tx
)
3180 ieee80211_stop_vif_queues(local
, sdata
,
3181 IEEE80211_QUEUE_STOP_REASON_CSA
);
3184 ieee80211_bss_info_change_notify(sdata
, changed
);
3185 drv_channel_switch_beacon(sdata
, ¶ms
->chandef
);
3187 /* if the beacon didn't change, we can finalize immediately */
3188 ieee80211_csa_finalize(sdata
);
3192 mutex_unlock(&local
->chanctx_mtx
);
3196 int ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3197 struct cfg80211_csa_settings
*params
)
3199 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3200 struct ieee80211_local
*local
= sdata
->local
;
3203 mutex_lock(&local
->mtx
);
3204 err
= __ieee80211_channel_switch(wiphy
, dev
, params
);
3205 mutex_unlock(&local
->mtx
);
3210 static int ieee80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3211 struct cfg80211_mgmt_tx_params
*params
,
3214 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3215 struct ieee80211_local
*local
= sdata
->local
;
3216 struct sk_buff
*skb
;
3217 struct sta_info
*sta
;
3218 const struct ieee80211_mgmt
*mgmt
= (void *)params
->buf
;
3219 bool need_offchan
= false;
3224 if (params
->dont_wait_for_ack
)
3225 flags
= IEEE80211_TX_CTL_NO_ACK
;
3227 flags
= IEEE80211_TX_INTFL_NL80211_FRAME_TX
|
3228 IEEE80211_TX_CTL_REQ_TX_STATUS
;
3231 flags
|= IEEE80211_TX_CTL_NO_CCK_RATE
;
3233 switch (sdata
->vif
.type
) {
3234 case NL80211_IFTYPE_ADHOC
:
3235 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3236 need_offchan
= true;
3238 #ifdef CONFIG_MAC80211_MESH
3239 case NL80211_IFTYPE_MESH_POINT
:
3240 if (ieee80211_vif_is_mesh(&sdata
->vif
) &&
3241 !sdata
->u
.mesh
.mesh_id_len
)
3242 need_offchan
= true;
3245 case NL80211_IFTYPE_AP
:
3246 case NL80211_IFTYPE_AP_VLAN
:
3247 case NL80211_IFTYPE_P2P_GO
:
3248 if (sdata
->vif
.type
!= NL80211_IFTYPE_ADHOC
&&
3249 !ieee80211_vif_is_mesh(&sdata
->vif
) &&
3250 !rcu_access_pointer(sdata
->bss
->beacon
))
3251 need_offchan
= true;
3252 if (!ieee80211_is_action(mgmt
->frame_control
) ||
3253 mgmt
->u
.action
.category
== WLAN_CATEGORY_PUBLIC
||
3254 mgmt
->u
.action
.category
== WLAN_CATEGORY_SELF_PROTECTED
||
3255 mgmt
->u
.action
.category
== WLAN_CATEGORY_SPECTRUM_MGMT
)
3258 sta
= sta_info_get(sdata
, mgmt
->da
);
3263 case NL80211_IFTYPE_STATION
:
3264 case NL80211_IFTYPE_P2P_CLIENT
:
3265 if (!sdata
->u
.mgd
.associated
)
3266 need_offchan
= true;
3268 case NL80211_IFTYPE_P2P_DEVICE
:
3269 need_offchan
= true;
3275 /* configurations requiring offchan cannot work if no channel has been
3278 if (need_offchan
&& !params
->chan
)
3281 mutex_lock(&local
->mtx
);
3283 /* Check if the operating channel is the requested channel */
3284 if (!need_offchan
) {
3285 struct ieee80211_chanctx_conf
*chanctx_conf
;
3288 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3291 need_offchan
= params
->chan
&&
3293 chanctx_conf
->def
.chan
);
3294 } else if (!params
->chan
) {
3299 need_offchan
= true;
3304 if (need_offchan
&& !params
->offchan
) {
3309 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ params
->len
);
3314 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3316 data
= skb_put(skb
, params
->len
);
3317 memcpy(data
, params
->buf
, params
->len
);
3319 /* Update CSA counters */
3320 if (sdata
->vif
.csa_active
&&
3321 (sdata
->vif
.type
== NL80211_IFTYPE_AP
||
3322 sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
) &&
3323 params
->n_csa_offsets
) {
3325 struct beacon_data
*beacon
= NULL
;
3329 if (sdata
->vif
.type
== NL80211_IFTYPE_AP
)
3330 beacon
= rcu_dereference(sdata
->u
.ap
.beacon
);
3331 else if (sdata
->vif
.type
== NL80211_IFTYPE_ADHOC
)
3332 beacon
= rcu_dereference(sdata
->u
.ibss
.presp
);
3333 else if (ieee80211_vif_is_mesh(&sdata
->vif
))
3334 beacon
= rcu_dereference(sdata
->u
.mesh
.beacon
);
3337 for (i
= 0; i
< params
->n_csa_offsets
; i
++)
3338 data
[params
->csa_offsets
[i
]] =
3339 beacon
->csa_current_counter
;
3344 IEEE80211_SKB_CB(skb
)->flags
= flags
;
3346 skb
->dev
= sdata
->dev
;
3348 if (!need_offchan
) {
3349 *cookie
= (unsigned long) skb
;
3350 ieee80211_tx_skb(sdata
, skb
);
3355 IEEE80211_SKB_CB(skb
)->flags
|= IEEE80211_TX_CTL_TX_OFFCHAN
|
3356 IEEE80211_TX_INTFL_OFFCHAN_TX_OK
;
3357 if (local
->hw
.flags
& IEEE80211_HW_QUEUE_CONTROL
)
3358 IEEE80211_SKB_CB(skb
)->hw_queue
=
3359 local
->hw
.offchannel_tx_hw_queue
;
3361 /* This will handle all kinds of coalescing and immediate TX */
3362 ret
= ieee80211_start_roc_work(local
, sdata
, params
->chan
,
3363 params
->wait
, cookie
, skb
,
3364 IEEE80211_ROC_TYPE_MGMT_TX
);
3368 mutex_unlock(&local
->mtx
);
3372 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy
*wiphy
,
3373 struct wireless_dev
*wdev
,
3376 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3378 return ieee80211_cancel_roc(local
, cookie
, true);
3381 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
3382 struct wireless_dev
*wdev
,
3383 u16 frame_type
, bool reg
)
3385 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3387 switch (frame_type
) {
3388 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
3390 local
->probe_req_reg
++;
3392 local
->probe_req_reg
--;
3394 if (!local
->open_count
)
3397 ieee80211_queue_work(&local
->hw
, &local
->reconfig_filter
);
3404 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
3406 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3411 return drv_set_antenna(local
, tx_ant
, rx_ant
);
3414 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
3416 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3418 return drv_get_antenna(local
, tx_ant
, rx_ant
);
3421 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
3422 struct net_device
*dev
,
3423 struct cfg80211_gtk_rekey_data
*data
)
3425 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3426 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3428 if (!local
->ops
->set_rekey_data
)
3431 drv_set_rekey_data(local
, sdata
, data
);
3436 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3437 const u8
*peer
, u64
*cookie
)
3439 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3440 struct ieee80211_local
*local
= sdata
->local
;
3441 struct ieee80211_qos_hdr
*nullfunc
;
3442 struct sk_buff
*skb
;
3443 int size
= sizeof(*nullfunc
);
3446 struct ieee80211_tx_info
*info
;
3447 struct sta_info
*sta
;
3448 struct ieee80211_chanctx_conf
*chanctx_conf
;
3449 enum ieee80211_band band
;
3452 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3453 if (WARN_ON(!chanctx_conf
)) {
3457 band
= chanctx_conf
->def
.chan
->band
;
3458 sta
= sta_info_get_bss(sdata
, peer
);
3467 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3468 IEEE80211_STYPE_QOS_NULLFUNC
|
3469 IEEE80211_FCTL_FROMDS
);
3472 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3473 IEEE80211_STYPE_NULLFUNC
|
3474 IEEE80211_FCTL_FROMDS
);
3477 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3485 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3487 nullfunc
= (void *) skb_put(skb
, size
);
3488 nullfunc
->frame_control
= fc
;
3489 nullfunc
->duration_id
= 0;
3490 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3491 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3492 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3493 nullfunc
->seq_ctrl
= 0;
3495 info
= IEEE80211_SKB_CB(skb
);
3497 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3498 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3500 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3503 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3506 ieee80211_xmit(sdata
, skb
, band
);
3510 *cookie
= (unsigned long) skb
;
3514 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3515 struct wireless_dev
*wdev
,
3516 struct cfg80211_chan_def
*chandef
)
3518 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3519 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3520 struct ieee80211_chanctx_conf
*chanctx_conf
;
3524 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3526 *chandef
= sdata
->vif
.bss_conf
.chandef
;
3528 } else if (local
->open_count
> 0 &&
3529 local
->open_count
== local
->monitors
&&
3530 sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
3531 if (local
->use_chanctx
)
3532 *chandef
= local
->monitor_chandef
;
3534 *chandef
= local
->_oper_chandef
;
3543 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3545 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3549 static int ieee80211_set_qos_map(struct wiphy
*wiphy
,
3550 struct net_device
*dev
,
3551 struct cfg80211_qos_map
*qos_map
)
3553 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3554 struct mac80211_qos_map
*new_qos_map
, *old_qos_map
;
3557 new_qos_map
= kzalloc(sizeof(*new_qos_map
), GFP_KERNEL
);
3560 memcpy(&new_qos_map
->qos_map
, qos_map
, sizeof(*qos_map
));
3562 /* A NULL qos_map was passed to disable QoS mapping */
3566 old_qos_map
= sdata_dereference(sdata
->qos_map
, sdata
);
3567 rcu_assign_pointer(sdata
->qos_map
, new_qos_map
);
3569 kfree_rcu(old_qos_map
, rcu_head
);
3574 static int ieee80211_set_ap_chanwidth(struct wiphy
*wiphy
,
3575 struct net_device
*dev
,
3576 struct cfg80211_chan_def
*chandef
)
3578 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3582 ret
= ieee80211_vif_change_bandwidth(sdata
, chandef
, &changed
);
3584 ieee80211_bss_info_change_notify(sdata
, changed
);
3589 static int ieee80211_add_tx_ts(struct wiphy
*wiphy
, struct net_device
*dev
,
3590 u8 tsid
, const u8
*peer
, u8 up
,
3593 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3594 struct ieee80211_if_managed
*ifmgd
= &sdata
->u
.mgd
;
3595 int ac
= ieee802_1d_to_ac
[up
];
3597 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
3600 if (!(sdata
->wmm_acm
& BIT(up
)))
3603 if (ifmgd
->tx_tspec
[ac
].admitted_time
)
3606 if (admitted_time
) {
3607 ifmgd
->tx_tspec
[ac
].admitted_time
= 32 * admitted_time
;
3608 ifmgd
->tx_tspec
[ac
].tsid
= tsid
;
3609 ifmgd
->tx_tspec
[ac
].up
= up
;
3615 static int ieee80211_del_tx_ts(struct wiphy
*wiphy
, struct net_device
*dev
,
3616 u8 tsid
, const u8
*peer
)
3618 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3619 struct ieee80211_if_managed
*ifmgd
= &sdata
->u
.mgd
;
3620 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3623 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++) {
3624 struct ieee80211_sta_tx_tspec
*tx_tspec
= &ifmgd
->tx_tspec
[ac
];
3626 /* skip unused entries */
3627 if (!tx_tspec
->admitted_time
)
3630 if (tx_tspec
->tsid
!= tsid
)
3633 /* due to this new packets will be reassigned to non-ACM ACs */
3636 /* Make sure that all packets have been sent to avoid to
3637 * restore the QoS params on packets that are still on the
3641 ieee80211_flush_queues(local
, sdata
);
3643 /* restore the normal QoS parameters
3644 * (unconditionally to avoid races)
3646 tx_tspec
->action
= TX_TSPEC_ACTION_STOP_DOWNGRADE
;
3647 tx_tspec
->downgraded
= false;
3648 ieee80211_sta_handle_tspec_ac_params(sdata
);
3650 /* finally clear all the data */
3651 memset(tx_tspec
, 0, sizeof(*tx_tspec
));
3659 const struct cfg80211_ops mac80211_config_ops
= {
3660 .add_virtual_intf
= ieee80211_add_iface
,
3661 .del_virtual_intf
= ieee80211_del_iface
,
3662 .change_virtual_intf
= ieee80211_change_iface
,
3663 .start_p2p_device
= ieee80211_start_p2p_device
,
3664 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3665 .add_key
= ieee80211_add_key
,
3666 .del_key
= ieee80211_del_key
,
3667 .get_key
= ieee80211_get_key
,
3668 .set_default_key
= ieee80211_config_default_key
,
3669 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3670 .start_ap
= ieee80211_start_ap
,
3671 .change_beacon
= ieee80211_change_beacon
,
3672 .stop_ap
= ieee80211_stop_ap
,
3673 .add_station
= ieee80211_add_station
,
3674 .del_station
= ieee80211_del_station
,
3675 .change_station
= ieee80211_change_station
,
3676 .get_station
= ieee80211_get_station
,
3677 .dump_station
= ieee80211_dump_station
,
3678 .dump_survey
= ieee80211_dump_survey
,
3679 #ifdef CONFIG_MAC80211_MESH
3680 .add_mpath
= ieee80211_add_mpath
,
3681 .del_mpath
= ieee80211_del_mpath
,
3682 .change_mpath
= ieee80211_change_mpath
,
3683 .get_mpath
= ieee80211_get_mpath
,
3684 .dump_mpath
= ieee80211_dump_mpath
,
3685 .get_mpp
= ieee80211_get_mpp
,
3686 .dump_mpp
= ieee80211_dump_mpp
,
3687 .update_mesh_config
= ieee80211_update_mesh_config
,
3688 .get_mesh_config
= ieee80211_get_mesh_config
,
3689 .join_mesh
= ieee80211_join_mesh
,
3690 .leave_mesh
= ieee80211_leave_mesh
,
3692 .change_bss
= ieee80211_change_bss
,
3693 .set_txq_params
= ieee80211_set_txq_params
,
3694 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3695 .suspend
= ieee80211_suspend
,
3696 .resume
= ieee80211_resume
,
3697 .scan
= ieee80211_scan
,
3698 .sched_scan_start
= ieee80211_sched_scan_start
,
3699 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3700 .auth
= ieee80211_auth
,
3701 .assoc
= ieee80211_assoc
,
3702 .deauth
= ieee80211_deauth
,
3703 .disassoc
= ieee80211_disassoc
,
3704 .join_ibss
= ieee80211_join_ibss
,
3705 .leave_ibss
= ieee80211_leave_ibss
,
3706 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3707 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3708 .set_tx_power
= ieee80211_set_tx_power
,
3709 .get_tx_power
= ieee80211_get_tx_power
,
3710 .set_wds_peer
= ieee80211_set_wds_peer
,
3711 .rfkill_poll
= ieee80211_rfkill_poll
,
3712 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3713 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3714 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3715 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3716 .remain_on_channel
= ieee80211_remain_on_channel
,
3717 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3718 .mgmt_tx
= ieee80211_mgmt_tx
,
3719 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3720 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3721 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3722 .set_antenna
= ieee80211_set_antenna
,
3723 .get_antenna
= ieee80211_get_antenna
,
3724 .set_rekey_data
= ieee80211_set_rekey_data
,
3725 .tdls_oper
= ieee80211_tdls_oper
,
3726 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3727 .probe_client
= ieee80211_probe_client
,
3728 .set_noack_map
= ieee80211_set_noack_map
,
3730 .set_wakeup
= ieee80211_set_wakeup
,
3732 .get_channel
= ieee80211_cfg_get_channel
,
3733 .start_radar_detection
= ieee80211_start_radar_detection
,
3734 .channel_switch
= ieee80211_channel_switch
,
3735 .set_qos_map
= ieee80211_set_qos_map
,
3736 .set_ap_chanwidth
= ieee80211_set_ap_chanwidth
,
3737 .add_tx_ts
= ieee80211_add_tx_ts
,
3738 .del_tx_ts
= ieee80211_del_tx_ts
,