2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2015 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"
24 static struct wireless_dev
*ieee80211_add_iface(struct wiphy
*wiphy
,
26 unsigned char name_assign_type
,
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
, name_assign_type
, &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 ieee80211_check_fast_rx_iface(sdata
);
71 } else if (type
== NL80211_IFTYPE_STATION
&&
72 params
&& params
->use_4addr
>= 0) {
73 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
76 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
77 struct ieee80211_local
*local
= sdata
->local
;
78 struct ieee80211_sub_if_data
*monitor_sdata
;
79 u32 mu_mntr_cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
81 monitor_sdata
= rtnl_dereference(local
->monitor_sdata
);
83 wiphy_ext_feature_isset(wiphy
, mu_mntr_cap_flag
)) {
84 memcpy(monitor_sdata
->vif
.bss_conf
.mu_group
.membership
,
85 params
->vht_mumimo_groups
, WLAN_MEMBERSHIP_LEN
);
86 memcpy(monitor_sdata
->vif
.bss_conf
.mu_group
.position
,
87 params
->vht_mumimo_groups
+ WLAN_MEMBERSHIP_LEN
,
88 WLAN_USER_POSITION_LEN
);
89 monitor_sdata
->vif
.mu_mimo_owner
= true;
90 ieee80211_bss_info_change_notify(monitor_sdata
,
91 BSS_CHANGED_MU_GROUPS
);
93 ether_addr_copy(monitor_sdata
->u
.mntr
.mu_follow_addr
,
100 if (ieee80211_sdata_running(sdata
)) {
101 u32 mask
= MONITOR_FLAG_COOK_FRAMES
|
105 * Prohibit MONITOR_FLAG_COOK_FRAMES and
106 * MONITOR_FLAG_ACTIVE to be changed while the
108 * Else we would need to add a lot of cruft
109 * to update everything:
110 * cooked_mntrs, monitor and all fif_* counters
111 * reconfigure hardware
113 if ((*flags
& mask
) != (sdata
->u
.mntr
.flags
& mask
))
116 ieee80211_adjust_monitor_flags(sdata
, -1);
117 sdata
->u
.mntr
.flags
= *flags
;
118 ieee80211_adjust_monitor_flags(sdata
, 1);
120 ieee80211_configure_filter(local
);
123 * Because the interface is down, ieee80211_do_stop
124 * and ieee80211_do_open take care of "everything"
125 * mentioned in the comment above.
127 sdata
->u
.mntr
.flags
= *flags
;
134 static int ieee80211_start_p2p_device(struct wiphy
*wiphy
,
135 struct wireless_dev
*wdev
)
137 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
140 mutex_lock(&sdata
->local
->chanctx_mtx
);
141 ret
= ieee80211_check_combinations(sdata
, NULL
, 0, 0);
142 mutex_unlock(&sdata
->local
->chanctx_mtx
);
146 return ieee80211_do_open(wdev
, true);
149 static void ieee80211_stop_p2p_device(struct wiphy
*wiphy
,
150 struct wireless_dev
*wdev
)
152 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev
));
155 static int ieee80211_set_noack_map(struct wiphy
*wiphy
,
156 struct net_device
*dev
,
159 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
161 sdata
->noack_map
= noack_map
;
163 ieee80211_check_fast_xmit_iface(sdata
);
168 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
169 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
170 struct key_params
*params
)
172 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
173 struct ieee80211_local
*local
= sdata
->local
;
174 struct sta_info
*sta
= NULL
;
175 const struct ieee80211_cipher_scheme
*cs
= NULL
;
176 struct ieee80211_key
*key
;
179 if (!ieee80211_sdata_running(sdata
))
182 /* reject WEP and TKIP keys if WEP failed to initialize */
183 switch (params
->cipher
) {
184 case WLAN_CIPHER_SUITE_WEP40
:
185 case WLAN_CIPHER_SUITE_TKIP
:
186 case WLAN_CIPHER_SUITE_WEP104
:
187 if (IS_ERR(local
->wep_tx_tfm
))
190 case WLAN_CIPHER_SUITE_CCMP
:
191 case WLAN_CIPHER_SUITE_CCMP_256
:
192 case WLAN_CIPHER_SUITE_AES_CMAC
:
193 case WLAN_CIPHER_SUITE_BIP_CMAC_256
:
194 case WLAN_CIPHER_SUITE_BIP_GMAC_128
:
195 case WLAN_CIPHER_SUITE_BIP_GMAC_256
:
196 case WLAN_CIPHER_SUITE_GCMP
:
197 case WLAN_CIPHER_SUITE_GCMP_256
:
200 cs
= ieee80211_cs_get(local
, params
->cipher
, sdata
->vif
.type
);
204 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
205 params
->key
, params
->seq_len
, params
->seq
,
211 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
213 mutex_lock(&local
->sta_mtx
);
216 if (ieee80211_vif_is_mesh(&sdata
->vif
))
217 sta
= sta_info_get(sdata
, mac_addr
);
219 sta
= sta_info_get_bss(sdata
, mac_addr
);
221 * The ASSOC test makes sure the driver is ready to
222 * receive the key. When wpa_supplicant has roamed
223 * using FT, it attempts to set the key before
224 * association has completed, this rejects that attempt
225 * so it will set the key again after association.
227 * TODO: accept the key if we have a station entry and
228 * add it to the device after the station.
230 if (!sta
|| !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
231 ieee80211_key_free_unused(key
);
237 switch (sdata
->vif
.type
) {
238 case NL80211_IFTYPE_STATION
:
239 if (sdata
->u
.mgd
.mfp
!= IEEE80211_MFP_DISABLED
)
240 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
242 case NL80211_IFTYPE_AP
:
243 case NL80211_IFTYPE_AP_VLAN
:
244 /* Keys without a station are used for TX only */
245 if (key
->sta
&& test_sta_flag(key
->sta
, WLAN_STA_MFP
))
246 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
248 case NL80211_IFTYPE_ADHOC
:
251 case NL80211_IFTYPE_MESH_POINT
:
252 #ifdef CONFIG_MAC80211_MESH
253 if (sdata
->u
.mesh
.security
!= IEEE80211_MESH_SEC_NONE
)
254 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
257 case NL80211_IFTYPE_WDS
:
258 case NL80211_IFTYPE_MONITOR
:
259 case NL80211_IFTYPE_P2P_DEVICE
:
260 case NL80211_IFTYPE_UNSPECIFIED
:
261 case NUM_NL80211_IFTYPES
:
262 case NL80211_IFTYPE_P2P_CLIENT
:
263 case NL80211_IFTYPE_P2P_GO
:
264 case NL80211_IFTYPE_OCB
:
265 /* shouldn't happen */
271 sta
->cipher_scheme
= cs
;
273 err
= ieee80211_key_link(key
, sdata
, sta
);
276 mutex_unlock(&local
->sta_mtx
);
281 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
282 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
284 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
285 struct ieee80211_local
*local
= sdata
->local
;
286 struct sta_info
*sta
;
287 struct ieee80211_key
*key
= NULL
;
290 mutex_lock(&local
->sta_mtx
);
291 mutex_lock(&local
->key_mtx
);
296 sta
= sta_info_get_bss(sdata
, mac_addr
);
301 key
= key_mtx_dereference(local
, sta
->ptk
[key_idx
]);
303 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
305 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
312 ieee80211_key_free(key
, true);
316 mutex_unlock(&local
->key_mtx
);
317 mutex_unlock(&local
->sta_mtx
);
322 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
323 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
325 void (*callback
)(void *cookie
,
326 struct key_params
*params
))
328 struct ieee80211_sub_if_data
*sdata
;
329 struct sta_info
*sta
= NULL
;
331 struct key_params params
;
332 struct ieee80211_key
*key
= NULL
;
337 struct ieee80211_key_seq kseq
= {};
339 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
344 sta
= sta_info_get_bss(sdata
, mac_addr
);
348 if (pairwise
&& key_idx
< NUM_DEFAULT_KEYS
)
349 key
= rcu_dereference(sta
->ptk
[key_idx
]);
350 else if (!pairwise
&&
351 key_idx
< NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
)
352 key
= rcu_dereference(sta
->gtk
[key_idx
]);
354 key
= rcu_dereference(sdata
->keys
[key_idx
]);
359 memset(¶ms
, 0, sizeof(params
));
361 params
.cipher
= key
->conf
.cipher
;
363 switch (key
->conf
.cipher
) {
364 case WLAN_CIPHER_SUITE_TKIP
:
365 pn64
= atomic64_read(&key
->conf
.tx_pn
);
366 iv32
= TKIP_PN_TO_IV32(pn64
);
367 iv16
= TKIP_PN_TO_IV16(pn64
);
369 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
&&
370 !(key
->conf
.flags
& IEEE80211_KEY_FLAG_GENERATE_IV
)) {
371 drv_get_key_seq(sdata
->local
, key
, &kseq
);
372 iv32
= kseq
.tkip
.iv32
;
373 iv16
= kseq
.tkip
.iv16
;
376 seq
[0] = iv16
& 0xff;
377 seq
[1] = (iv16
>> 8) & 0xff;
378 seq
[2] = iv32
& 0xff;
379 seq
[3] = (iv32
>> 8) & 0xff;
380 seq
[4] = (iv32
>> 16) & 0xff;
381 seq
[5] = (iv32
>> 24) & 0xff;
385 case WLAN_CIPHER_SUITE_CCMP
:
386 case WLAN_CIPHER_SUITE_CCMP_256
:
387 case WLAN_CIPHER_SUITE_AES_CMAC
:
388 case WLAN_CIPHER_SUITE_BIP_CMAC_256
:
389 BUILD_BUG_ON(offsetof(typeof(kseq
), ccmp
) !=
390 offsetof(typeof(kseq
), aes_cmac
));
391 case WLAN_CIPHER_SUITE_BIP_GMAC_128
:
392 case WLAN_CIPHER_SUITE_BIP_GMAC_256
:
393 BUILD_BUG_ON(offsetof(typeof(kseq
), ccmp
) !=
394 offsetof(typeof(kseq
), aes_gmac
));
395 case WLAN_CIPHER_SUITE_GCMP
:
396 case WLAN_CIPHER_SUITE_GCMP_256
:
397 BUILD_BUG_ON(offsetof(typeof(kseq
), ccmp
) !=
398 offsetof(typeof(kseq
), gcmp
));
400 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
&&
401 !(key
->conf
.flags
& IEEE80211_KEY_FLAG_GENERATE_IV
)) {
402 drv_get_key_seq(sdata
->local
, key
, &kseq
);
403 memcpy(seq
, kseq
.ccmp
.pn
, 6);
405 pn64
= atomic64_read(&key
->conf
.tx_pn
);
417 if (!(key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
))
419 if (WARN_ON(key
->conf
.flags
& IEEE80211_KEY_FLAG_GENERATE_IV
))
421 drv_get_key_seq(sdata
->local
, key
, &kseq
);
422 params
.seq
= kseq
.hw
.seq
;
423 params
.seq_len
= kseq
.hw
.seq_len
;
427 params
.key
= key
->conf
.key
;
428 params
.key_len
= key
->conf
.keylen
;
430 callback(cookie
, ¶ms
);
438 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
439 struct net_device
*dev
,
440 u8 key_idx
, bool uni
,
443 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
445 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
450 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
451 struct net_device
*dev
,
454 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
456 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
461 void sta_set_rate_info_tx(struct sta_info
*sta
,
462 const struct ieee80211_tx_rate
*rate
,
463 struct rate_info
*rinfo
)
466 if (rate
->flags
& IEEE80211_TX_RC_MCS
) {
467 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
468 rinfo
->mcs
= rate
->idx
;
469 } else if (rate
->flags
& IEEE80211_TX_RC_VHT_MCS
) {
470 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
471 rinfo
->mcs
= ieee80211_rate_get_vht_mcs(rate
);
472 rinfo
->nss
= ieee80211_rate_get_vht_nss(rate
);
474 struct ieee80211_supported_band
*sband
;
475 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
478 sband
= sta
->local
->hw
.wiphy
->bands
[
479 ieee80211_get_sdata_band(sta
->sdata
)];
480 brate
= sband
->bitrates
[rate
->idx
].bitrate
;
481 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
483 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
484 rinfo
->bw
= RATE_INFO_BW_40
;
485 else if (rate
->flags
& IEEE80211_TX_RC_80_MHZ_WIDTH
)
486 rinfo
->bw
= RATE_INFO_BW_80
;
487 else if (rate
->flags
& IEEE80211_TX_RC_160_MHZ_WIDTH
)
488 rinfo
->bw
= RATE_INFO_BW_160
;
490 rinfo
->bw
= RATE_INFO_BW_20
;
491 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
492 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
495 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
496 int idx
, u8
*mac
, struct station_info
*sinfo
)
498 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
499 struct ieee80211_local
*local
= sdata
->local
;
500 struct sta_info
*sta
;
503 mutex_lock(&local
->sta_mtx
);
505 sta
= sta_info_get_by_idx(sdata
, idx
);
508 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
509 sta_set_sinfo(sta
, sinfo
);
512 mutex_unlock(&local
->sta_mtx
);
517 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
518 int idx
, struct survey_info
*survey
)
520 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
522 return drv_get_survey(local
, idx
, survey
);
525 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
526 const u8
*mac
, struct station_info
*sinfo
)
528 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
529 struct ieee80211_local
*local
= sdata
->local
;
530 struct sta_info
*sta
;
533 mutex_lock(&local
->sta_mtx
);
535 sta
= sta_info_get_bss(sdata
, mac
);
538 sta_set_sinfo(sta
, sinfo
);
541 mutex_unlock(&local
->sta_mtx
);
546 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
547 struct cfg80211_chan_def
*chandef
)
549 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
550 struct ieee80211_sub_if_data
*sdata
;
553 if (cfg80211_chandef_identical(&local
->monitor_chandef
, chandef
))
556 mutex_lock(&local
->mtx
);
557 mutex_lock(&local
->iflist_mtx
);
558 if (local
->use_chanctx
) {
559 sdata
= rcu_dereference_protected(
560 local
->monitor_sdata
,
561 lockdep_is_held(&local
->iflist_mtx
));
563 ieee80211_vif_release_channel(sdata
);
564 ret
= ieee80211_vif_use_channel(sdata
, chandef
,
565 IEEE80211_CHANCTX_EXCLUSIVE
);
567 } else if (local
->open_count
== local
->monitors
) {
568 local
->_oper_chandef
= *chandef
;
569 ieee80211_hw_config(local
, 0);
573 local
->monitor_chandef
= *chandef
;
574 mutex_unlock(&local
->iflist_mtx
);
575 mutex_unlock(&local
->mtx
);
580 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
581 const u8
*resp
, size_t resp_len
,
582 const struct ieee80211_csa_settings
*csa
)
584 struct probe_resp
*new, *old
;
586 if (!resp
|| !resp_len
)
589 old
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
591 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
596 memcpy(new->data
, resp
, resp_len
);
599 memcpy(new->csa_counter_offsets
, csa
->counter_offsets_presp
,
600 csa
->n_counter_offsets_presp
*
601 sizeof(new->csa_counter_offsets
[0]));
603 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
605 kfree_rcu(old
, rcu_head
);
610 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
611 struct cfg80211_beacon_data
*params
,
612 const struct ieee80211_csa_settings
*csa
)
614 struct beacon_data
*new, *old
;
615 int new_head_len
, new_tail_len
;
617 u32 changed
= BSS_CHANGED_BEACON
;
619 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
622 /* Need to have a beacon head if we don't have one yet */
623 if (!params
->head
&& !old
)
626 /* new or old head? */
628 new_head_len
= params
->head_len
;
630 new_head_len
= old
->head_len
;
632 /* new or old tail? */
633 if (params
->tail
|| !old
)
634 /* params->tail_len will be zero for !params->tail */
635 new_tail_len
= params
->tail_len
;
637 new_tail_len
= old
->tail_len
;
639 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
641 new = kzalloc(size
, GFP_KERNEL
);
645 /* start filling the new info now */
648 * pointers go into the block we allocated,
649 * memory is | beacon_data | head | tail |
651 new->head
= ((u8
*) new) + sizeof(*new);
652 new->tail
= new->head
+ new_head_len
;
653 new->head_len
= new_head_len
;
654 new->tail_len
= new_tail_len
;
657 new->csa_current_counter
= csa
->count
;
658 memcpy(new->csa_counter_offsets
, csa
->counter_offsets_beacon
,
659 csa
->n_counter_offsets_beacon
*
660 sizeof(new->csa_counter_offsets
[0]));
665 memcpy(new->head
, params
->head
, new_head_len
);
667 memcpy(new->head
, old
->head
, new_head_len
);
669 /* copy in optional tail */
671 memcpy(new->tail
, params
->tail
, new_tail_len
);
674 memcpy(new->tail
, old
->tail
, new_tail_len
);
676 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
677 params
->probe_resp_len
, csa
);
681 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
683 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
686 kfree_rcu(old
, rcu_head
);
691 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
692 struct cfg80211_ap_settings
*params
)
694 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
695 struct ieee80211_local
*local
= sdata
->local
;
696 struct beacon_data
*old
;
697 struct ieee80211_sub_if_data
*vlan
;
698 u32 changed
= BSS_CHANGED_BEACON_INT
|
699 BSS_CHANGED_BEACON_ENABLED
|
706 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
710 switch (params
->smps_mode
) {
711 case NL80211_SMPS_OFF
:
712 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
714 case NL80211_SMPS_STATIC
:
715 sdata
->smps_mode
= IEEE80211_SMPS_STATIC
;
717 case NL80211_SMPS_DYNAMIC
:
718 sdata
->smps_mode
= IEEE80211_SMPS_DYNAMIC
;
723 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
725 mutex_lock(&local
->mtx
);
726 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
727 IEEE80211_CHANCTX_SHARED
);
729 ieee80211_vif_copy_chanctx_to_vlans(sdata
, false);
730 mutex_unlock(&local
->mtx
);
735 * Apply control port protocol, this allows us to
736 * not encrypt dynamic WEP control frames.
738 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
739 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
740 sdata
->encrypt_headroom
= ieee80211_cs_headroom(sdata
->local
,
744 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
745 vlan
->control_port_protocol
=
746 params
->crypto
.control_port_ethertype
;
747 vlan
->control_port_no_encrypt
=
748 params
->crypto
.control_port_no_encrypt
;
749 vlan
->encrypt_headroom
=
750 ieee80211_cs_headroom(sdata
->local
,
755 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
756 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
757 sdata
->vif
.bss_conf
.enable_beacon
= true;
758 sdata
->vif
.bss_conf
.allow_p2p_go_ps
= sdata
->vif
.p2p
;
760 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
761 if (params
->ssid_len
)
762 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
764 sdata
->vif
.bss_conf
.hidden_ssid
=
765 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
767 memset(&sdata
->vif
.bss_conf
.p2p_noa_attr
, 0,
768 sizeof(sdata
->vif
.bss_conf
.p2p_noa_attr
));
769 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
=
770 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
771 if (params
->p2p_opp_ps
)
772 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
773 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
775 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
, NULL
);
777 ieee80211_vif_release_channel(sdata
);
782 err
= drv_start_ap(sdata
->local
, sdata
);
784 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
787 kfree_rcu(old
, rcu_head
);
788 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
789 ieee80211_vif_release_channel(sdata
);
793 ieee80211_recalc_dtim(local
, sdata
);
794 ieee80211_bss_info_change_notify(sdata
, changed
);
796 netif_carrier_on(dev
);
797 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
798 netif_carrier_on(vlan
->dev
);
803 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
804 struct cfg80211_beacon_data
*params
)
806 struct ieee80211_sub_if_data
*sdata
;
807 struct beacon_data
*old
;
810 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
811 sdata_assert_lock(sdata
);
813 /* don't allow changing the beacon while CSA is in place - offset
814 * of channel switch counter may change
816 if (sdata
->vif
.csa_active
)
819 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
823 err
= ieee80211_assign_beacon(sdata
, params
, NULL
);
826 ieee80211_bss_info_change_notify(sdata
, err
);
830 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
832 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
833 struct ieee80211_sub_if_data
*vlan
;
834 struct ieee80211_local
*local
= sdata
->local
;
835 struct beacon_data
*old_beacon
;
836 struct probe_resp
*old_probe_resp
;
837 struct cfg80211_chan_def chandef
;
839 sdata_assert_lock(sdata
);
841 old_beacon
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
844 old_probe_resp
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
846 /* abort any running channel switch */
847 mutex_lock(&local
->mtx
);
848 sdata
->vif
.csa_active
= false;
849 if (sdata
->csa_block_tx
) {
850 ieee80211_wake_vif_queues(local
, sdata
,
851 IEEE80211_QUEUE_STOP_REASON_CSA
);
852 sdata
->csa_block_tx
= false;
855 mutex_unlock(&local
->mtx
);
857 kfree(sdata
->u
.ap
.next_beacon
);
858 sdata
->u
.ap
.next_beacon
= NULL
;
860 /* turn off carrier for this interface and dependent VLANs */
861 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
862 netif_carrier_off(vlan
->dev
);
863 netif_carrier_off(dev
);
865 /* remove beacon and probe response */
866 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
867 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
868 kfree_rcu(old_beacon
, rcu_head
);
870 kfree_rcu(old_probe_resp
, rcu_head
);
871 sdata
->u
.ap
.driver_smps_mode
= IEEE80211_SMPS_OFF
;
873 __sta_info_flush(sdata
, true);
874 ieee80211_free_keys(sdata
, true);
876 sdata
->vif
.bss_conf
.enable_beacon
= false;
877 sdata
->vif
.bss_conf
.ssid_len
= 0;
878 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
, &sdata
->state
);
879 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
881 if (sdata
->wdev
.cac_started
) {
882 chandef
= sdata
->vif
.bss_conf
.chandef
;
883 cancel_delayed_work_sync(&sdata
->dfs_cac_timer_work
);
884 cfg80211_cac_event(sdata
->dev
, &chandef
,
885 NL80211_RADAR_CAC_ABORTED
,
889 drv_stop_ap(sdata
->local
, sdata
);
891 /* free all potentially still buffered bcast frames */
892 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
893 ieee80211_purge_tx_queue(&local
->hw
, &sdata
->u
.ap
.ps
.bc_buf
);
895 mutex_lock(&local
->mtx
);
896 ieee80211_vif_copy_chanctx_to_vlans(sdata
, true);
897 ieee80211_vif_release_channel(sdata
);
898 mutex_unlock(&local
->mtx
);
903 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
904 struct iapp_layer2_update
{
905 u8 da
[ETH_ALEN
]; /* broadcast */
906 u8 sa
[ETH_ALEN
]; /* STA addr */
914 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
916 struct iapp_layer2_update
*msg
;
919 /* Send Level 2 Update Frame to update forwarding tables in layer 2
922 skb
= dev_alloc_skb(sizeof(*msg
));
925 msg
= (struct iapp_layer2_update
*)skb_put(skb
, sizeof(*msg
));
927 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
928 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
930 eth_broadcast_addr(msg
->da
);
931 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
934 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
935 msg
->control
= 0xaf; /* XID response lsb.1111F101.
936 * F=0 (no poll command; unsolicited frame) */
937 msg
->xid_info
[0] = 0x81; /* XID format identifier */
938 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
939 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
941 skb
->dev
= sta
->sdata
->dev
;
942 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
943 memset(skb
->cb
, 0, sizeof(skb
->cb
));
947 static int sta_apply_auth_flags(struct ieee80211_local
*local
,
948 struct sta_info
*sta
,
953 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
954 set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
955 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
956 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
961 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
962 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
963 !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
965 * When peer becomes associated, init rate control as
966 * well. Some drivers require rate control initialized
967 * before drv_sta_state() is called.
969 if (!test_sta_flag(sta
, WLAN_STA_RATE_CONTROL
))
970 rate_control_rate_init(sta
);
972 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
977 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
978 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
979 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
980 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
981 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
988 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
989 !(set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
990 test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
991 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
996 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
997 !(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
998 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
999 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1007 static void sta_apply_mesh_params(struct ieee80211_local
*local
,
1008 struct sta_info
*sta
,
1009 struct station_parameters
*params
)
1011 #ifdef CONFIG_MAC80211_MESH
1012 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1015 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
) {
1016 switch (params
->plink_state
) {
1017 case NL80211_PLINK_ESTAB
:
1018 if (sta
->mesh
->plink_state
!= NL80211_PLINK_ESTAB
)
1019 changed
= mesh_plink_inc_estab_count(sdata
);
1020 sta
->mesh
->plink_state
= params
->plink_state
;
1021 sta
->mesh
->aid
= params
->peer_aid
;
1023 ieee80211_mps_sta_status_update(sta
);
1024 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1025 sdata
->u
.mesh
.mshcfg
.power_mode
);
1027 case NL80211_PLINK_LISTEN
:
1028 case NL80211_PLINK_BLOCKED
:
1029 case NL80211_PLINK_OPN_SNT
:
1030 case NL80211_PLINK_OPN_RCVD
:
1031 case NL80211_PLINK_CNF_RCVD
:
1032 case NL80211_PLINK_HOLDING
:
1033 if (sta
->mesh
->plink_state
== NL80211_PLINK_ESTAB
)
1034 changed
= mesh_plink_dec_estab_count(sdata
);
1035 sta
->mesh
->plink_state
= params
->plink_state
;
1037 ieee80211_mps_sta_status_update(sta
);
1038 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1039 NL80211_MESH_POWER_UNKNOWN
);
1047 switch (params
->plink_action
) {
1048 case NL80211_PLINK_ACTION_NO_ACTION
:
1051 case NL80211_PLINK_ACTION_OPEN
:
1052 changed
|= mesh_plink_open(sta
);
1054 case NL80211_PLINK_ACTION_BLOCK
:
1055 changed
|= mesh_plink_block(sta
);
1059 if (params
->local_pm
)
1060 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1063 ieee80211_mbss_info_change_notify(sdata
, changed
);
1067 static int sta_apply_parameters(struct ieee80211_local
*local
,
1068 struct sta_info
*sta
,
1069 struct station_parameters
*params
)
1072 struct ieee80211_supported_band
*sband
;
1073 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1074 enum nl80211_band band
= ieee80211_get_sdata_band(sdata
);
1077 sband
= local
->hw
.wiphy
->bands
[band
];
1079 mask
= params
->sta_flags_mask
;
1080 set
= params
->sta_flags_set
;
1082 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1084 * In mesh mode, ASSOCIATED isn't part of the nl80211
1085 * API but must follow AUTHENTICATED for driver state.
1087 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1088 mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1089 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1090 set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1091 } else if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1093 * TDLS -- everything follows authorized, but
1094 * only becoming authorized is possible, not
1097 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1098 set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1099 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1100 mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1101 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1105 if (mask
& BIT(NL80211_STA_FLAG_WME
) &&
1106 local
->hw
.queues
>= IEEE80211_NUM_ACS
)
1107 sta
->sta
.wme
= set
& BIT(NL80211_STA_FLAG_WME
);
1109 /* auth flags will be set later for TDLS,
1110 * and for unassociated stations that move to assocaited */
1111 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1112 !((mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
1113 (set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)))) {
1114 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1119 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1120 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1121 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1123 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1126 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1127 sta
->sta
.mfp
= !!(set
& BIT(NL80211_STA_FLAG_MFP
));
1128 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1129 set_sta_flag(sta
, WLAN_STA_MFP
);
1131 clear_sta_flag(sta
, WLAN_STA_MFP
);
1134 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1135 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1136 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1138 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1141 /* mark TDLS channel switch support, if the AP allows it */
1142 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1143 !sdata
->u
.mgd
.tdls_chan_switch_prohibited
&&
1144 params
->ext_capab_len
>= 4 &&
1145 params
->ext_capab
[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH
)
1146 set_sta_flag(sta
, WLAN_STA_TDLS_CHAN_SWITCH
);
1148 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1149 !sdata
->u
.mgd
.tdls_wider_bw_prohibited
&&
1150 ieee80211_hw_check(&local
->hw
, TDLS_WIDER_BW
) &&
1151 params
->ext_capab_len
>= 8 &&
1152 params
->ext_capab
[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED
)
1153 set_sta_flag(sta
, WLAN_STA_TDLS_WIDER_BW
);
1155 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1156 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1157 sta
->sta
.max_sp
= params
->max_sp
;
1160 /* The sender might not have sent the last bit, consider it to be 0 */
1161 if (params
->ext_capab_len
>= 8) {
1162 u8 val
= (params
->ext_capab
[7] &
1163 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB
) >> 7;
1165 /* we did get all the bits, take the MSB as well */
1166 if (params
->ext_capab_len
>= 9) {
1167 u8 val_msb
= params
->ext_capab
[8] &
1168 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB
;
1175 sta
->sta
.max_amsdu_subframes
= 32;
1178 sta
->sta
.max_amsdu_subframes
= 16;
1181 sta
->sta
.max_amsdu_subframes
= 8;
1184 sta
->sta
.max_amsdu_subframes
= 0;
1189 * cfg80211 validates this (1-2007) and allows setting the AID
1190 * only when creating a new station entry
1193 sta
->sta
.aid
= params
->aid
;
1196 * Some of the following updates would be racy if called on an
1197 * existing station, via ieee80211_change_station(). However,
1198 * all such changes are rejected by cfg80211 except for updates
1199 * changing the supported rates on an existing but not yet used
1203 if (params
->listen_interval
>= 0)
1204 sta
->listen_interval
= params
->listen_interval
;
1206 if (params
->supported_rates
) {
1207 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1208 sband
, params
->supported_rates
,
1209 params
->supported_rates_len
,
1210 &sta
->sta
.supp_rates
[band
]);
1213 if (params
->ht_capa
)
1214 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1215 params
->ht_capa
, sta
);
1217 /* VHT can override some HT caps such as the A-MSDU max length */
1218 if (params
->vht_capa
)
1219 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1220 params
->vht_capa
, sta
);
1222 if (params
->opmode_notif_used
) {
1223 /* returned value is only needed for rc update, but the
1224 * rc isn't initialized here yet, so ignore it
1226 __ieee80211_vht_handle_opmode(sdata
, sta
,
1227 params
->opmode_notif
, band
);
1230 if (params
->support_p2p_ps
>= 0)
1231 sta
->sta
.support_p2p_ps
= params
->support_p2p_ps
;
1233 if (ieee80211_vif_is_mesh(&sdata
->vif
))
1234 sta_apply_mesh_params(local
, sta
, params
);
1236 /* set the STA state after all sta info from usermode has been set */
1237 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) ||
1238 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) {
1239 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1247 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1249 struct station_parameters
*params
)
1251 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1252 struct sta_info
*sta
;
1253 struct ieee80211_sub_if_data
*sdata
;
1258 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1260 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1261 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1264 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1266 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1269 if (is_multicast_ether_addr(mac
))
1272 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1276 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1277 sta
->sta
.tdls
= true;
1279 err
= sta_apply_parameters(local
, sta
, params
);
1281 sta_info_free(local
, sta
);
1286 * for TDLS and for unassociated station, rate control should be
1287 * initialized only when rates are known and station is marked
1288 * authorized/associated
1290 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1291 test_sta_flag(sta
, WLAN_STA_ASSOC
))
1292 rate_control_rate_init(sta
);
1294 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1295 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1297 err
= sta_info_insert_rcu(sta
);
1304 ieee80211_send_layer2_update(sta
);
1311 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1312 struct station_del_parameters
*params
)
1314 struct ieee80211_sub_if_data
*sdata
;
1316 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1319 return sta_info_destroy_addr_bss(sdata
, params
->mac
);
1321 sta_info_flush(sdata
);
1325 static int ieee80211_change_station(struct wiphy
*wiphy
,
1326 struct net_device
*dev
, const u8
*mac
,
1327 struct station_parameters
*params
)
1329 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1330 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1331 struct sta_info
*sta
;
1332 struct ieee80211_sub_if_data
*vlansdata
;
1333 enum cfg80211_station_type statype
;
1336 mutex_lock(&local
->sta_mtx
);
1338 sta
= sta_info_get_bss(sdata
, mac
);
1344 switch (sdata
->vif
.type
) {
1345 case NL80211_IFTYPE_MESH_POINT
:
1346 if (sdata
->u
.mesh
.user_mpm
)
1347 statype
= CFG80211_STA_MESH_PEER_USER
;
1349 statype
= CFG80211_STA_MESH_PEER_KERNEL
;
1351 case NL80211_IFTYPE_ADHOC
:
1352 statype
= CFG80211_STA_IBSS
;
1354 case NL80211_IFTYPE_STATION
:
1355 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1356 statype
= CFG80211_STA_AP_STA
;
1359 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1360 statype
= CFG80211_STA_TDLS_PEER_ACTIVE
;
1362 statype
= CFG80211_STA_TDLS_PEER_SETUP
;
1364 case NL80211_IFTYPE_AP
:
1365 case NL80211_IFTYPE_AP_VLAN
:
1366 if (test_sta_flag(sta
, WLAN_STA_ASSOC
))
1367 statype
= CFG80211_STA_AP_CLIENT
;
1369 statype
= CFG80211_STA_AP_CLIENT_UNASSOC
;
1376 err
= cfg80211_check_station_change(wiphy
, params
, statype
);
1380 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1381 bool prev_4addr
= false;
1382 bool new_4addr
= false;
1384 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1386 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1387 if (vlansdata
->u
.vlan
.sta
) {
1392 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1394 __ieee80211_check_fast_rx_iface(vlansdata
);
1397 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1398 sta
->sdata
->u
.vlan
.sta
) {
1399 RCU_INIT_POINTER(sta
->sdata
->u
.vlan
.sta
, NULL
);
1403 sta
->sdata
= vlansdata
;
1404 ieee80211_check_fast_xmit(sta
);
1406 if (sta
->sta_state
== IEEE80211_STA_AUTHORIZED
&&
1407 prev_4addr
!= new_4addr
) {
1409 atomic_dec(&sta
->sdata
->bss
->num_mcast_sta
);
1411 atomic_inc(&sta
->sdata
->bss
->num_mcast_sta
);
1414 ieee80211_send_layer2_update(sta
);
1417 err
= sta_apply_parameters(local
, sta
, params
);
1421 mutex_unlock(&local
->sta_mtx
);
1423 if ((sdata
->vif
.type
== NL80211_IFTYPE_AP
||
1424 sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
) &&
1425 sta
->known_smps_mode
!= sta
->sdata
->bss
->req_smps
&&
1426 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
) &&
1427 sta_info_tx_streams(sta
) != 1) {
1429 "%pM just authorized and MIMO capable - update SMPS\n",
1431 ieee80211_send_smps_action(sta
->sdata
,
1432 sta
->sdata
->bss
->req_smps
,
1434 sta
->sdata
->vif
.bss_conf
.bssid
);
1437 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1438 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1439 ieee80211_recalc_ps(local
);
1440 ieee80211_recalc_ps_vif(sdata
);
1445 mutex_unlock(&local
->sta_mtx
);
1449 #ifdef CONFIG_MAC80211_MESH
1450 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1451 const u8
*dst
, const u8
*next_hop
)
1453 struct ieee80211_sub_if_data
*sdata
;
1454 struct mesh_path
*mpath
;
1455 struct sta_info
*sta
;
1457 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1460 sta
= sta_info_get(sdata
, next_hop
);
1466 mpath
= mesh_path_add(sdata
, dst
);
1467 if (IS_ERR(mpath
)) {
1469 return PTR_ERR(mpath
);
1472 mesh_path_fix_nexthop(mpath
, sta
);
1478 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1481 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1484 return mesh_path_del(sdata
, dst
);
1486 mesh_path_flush_by_iface(sdata
);
1490 static int ieee80211_change_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1491 const u8
*dst
, const u8
*next_hop
)
1493 struct ieee80211_sub_if_data
*sdata
;
1494 struct mesh_path
*mpath
;
1495 struct sta_info
*sta
;
1497 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1501 sta
= sta_info_get(sdata
, next_hop
);
1507 mpath
= mesh_path_lookup(sdata
, dst
);
1513 mesh_path_fix_nexthop(mpath
, sta
);
1519 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1520 struct mpath_info
*pinfo
)
1522 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1525 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1527 eth_zero_addr(next_hop
);
1529 memset(pinfo
, 0, sizeof(*pinfo
));
1531 pinfo
->generation
= mpath
->sdata
->u
.mesh
.mesh_paths_generation
;
1533 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1536 MPATH_INFO_EXPTIME
|
1537 MPATH_INFO_DISCOVERY_TIMEOUT
|
1538 MPATH_INFO_DISCOVERY_RETRIES
|
1541 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1542 pinfo
->sn
= mpath
->sn
;
1543 pinfo
->metric
= mpath
->metric
;
1544 if (time_before(jiffies
, mpath
->exp_time
))
1545 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1546 pinfo
->discovery_timeout
=
1547 jiffies_to_msecs(mpath
->discovery_timeout
);
1548 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1549 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1550 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1551 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1552 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1553 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1554 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1555 if (mpath
->flags
& MESH_PATH_FIXED
)
1556 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1557 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1558 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1561 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1562 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1565 struct ieee80211_sub_if_data
*sdata
;
1566 struct mesh_path
*mpath
;
1568 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1571 mpath
= mesh_path_lookup(sdata
, dst
);
1576 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1577 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1582 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1583 int idx
, u8
*dst
, u8
*next_hop
,
1584 struct mpath_info
*pinfo
)
1586 struct ieee80211_sub_if_data
*sdata
;
1587 struct mesh_path
*mpath
;
1589 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1592 mpath
= mesh_path_lookup_by_idx(sdata
, idx
);
1597 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1598 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1603 static void mpp_set_pinfo(struct mesh_path
*mpath
, u8
*mpp
,
1604 struct mpath_info
*pinfo
)
1606 memset(pinfo
, 0, sizeof(*pinfo
));
1607 memcpy(mpp
, mpath
->mpp
, ETH_ALEN
);
1609 pinfo
->generation
= mpath
->sdata
->u
.mesh
.mpp_paths_generation
;
1612 static int ieee80211_get_mpp(struct wiphy
*wiphy
, struct net_device
*dev
,
1613 u8
*dst
, u8
*mpp
, struct mpath_info
*pinfo
)
1616 struct ieee80211_sub_if_data
*sdata
;
1617 struct mesh_path
*mpath
;
1619 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1622 mpath
= mpp_path_lookup(sdata
, dst
);
1627 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1628 mpp_set_pinfo(mpath
, mpp
, pinfo
);
1633 static int ieee80211_dump_mpp(struct wiphy
*wiphy
, struct net_device
*dev
,
1634 int idx
, u8
*dst
, u8
*mpp
,
1635 struct mpath_info
*pinfo
)
1637 struct ieee80211_sub_if_data
*sdata
;
1638 struct mesh_path
*mpath
;
1640 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1643 mpath
= mpp_path_lookup_by_idx(sdata
, idx
);
1648 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1649 mpp_set_pinfo(mpath
, mpp
, pinfo
);
1654 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1655 struct net_device
*dev
,
1656 struct mesh_config
*conf
)
1658 struct ieee80211_sub_if_data
*sdata
;
1659 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1661 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1665 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1667 return (mask
>> (parm
-1)) & 0x1;
1670 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1671 const struct mesh_setup
*setup
)
1675 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1676 struct ieee80211_sub_if_data
, u
.mesh
);
1678 /* allocate information elements */
1682 if (setup
->ie_len
) {
1683 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1688 ifmsh
->ie_len
= setup
->ie_len
;
1692 /* now copy the rest of the setup parameters */
1693 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1694 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1695 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1696 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1697 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1698 ifmsh
->user_mpm
= setup
->user_mpm
;
1699 ifmsh
->mesh_auth_id
= setup
->auth_id
;
1700 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1701 if (setup
->is_authenticated
)
1702 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1703 if (setup
->is_secure
)
1704 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1706 /* mcast rate setting in Mesh Node */
1707 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1708 sizeof(setup
->mcast_rate
));
1709 sdata
->vif
.bss_conf
.basic_rates
= setup
->basic_rates
;
1711 sdata
->vif
.bss_conf
.beacon_int
= setup
->beacon_interval
;
1712 sdata
->vif
.bss_conf
.dtim_period
= setup
->dtim_period
;
1717 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1718 struct net_device
*dev
, u32 mask
,
1719 const struct mesh_config
*nconf
)
1721 struct mesh_config
*conf
;
1722 struct ieee80211_sub_if_data
*sdata
;
1723 struct ieee80211_if_mesh
*ifmsh
;
1725 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1726 ifmsh
= &sdata
->u
.mesh
;
1728 /* Set the config options which we are interested in setting */
1729 conf
= &(sdata
->u
.mesh
.mshcfg
);
1730 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1731 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1732 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1733 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1734 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1735 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1736 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1737 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1738 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1739 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1740 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1741 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1742 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1743 conf
->element_ttl
= nconf
->element_ttl
;
1744 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
)) {
1745 if (ifmsh
->user_mpm
)
1747 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1749 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1750 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1751 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1752 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1753 conf
->dot11MeshHWMPmaxPREQretries
=
1754 nconf
->dot11MeshHWMPmaxPREQretries
;
1755 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1756 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1757 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1758 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1759 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1760 conf
->dot11MeshHWMPactivePathTimeout
=
1761 nconf
->dot11MeshHWMPactivePathTimeout
;
1762 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1763 conf
->dot11MeshHWMPpreqMinInterval
=
1764 nconf
->dot11MeshHWMPpreqMinInterval
;
1765 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1766 conf
->dot11MeshHWMPperrMinInterval
=
1767 nconf
->dot11MeshHWMPperrMinInterval
;
1768 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1770 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1771 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1772 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1773 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1774 ieee80211_mesh_root_setup(ifmsh
);
1776 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1777 /* our current gate announcement implementation rides on root
1778 * announcements, so require this ifmsh to also be a root node
1780 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1781 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1782 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1783 ieee80211_mesh_root_setup(ifmsh
);
1785 conf
->dot11MeshGateAnnouncementProtocol
=
1786 nconf
->dot11MeshGateAnnouncementProtocol
;
1788 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1789 conf
->dot11MeshHWMPRannInterval
=
1790 nconf
->dot11MeshHWMPRannInterval
;
1791 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1792 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1793 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1794 /* our RSSI threshold implementation is supported only for
1795 * devices that report signal in dBm.
1797 if (!ieee80211_hw_check(&sdata
->local
->hw
, SIGNAL_DBM
))
1799 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1801 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1802 conf
->ht_opmode
= nconf
->ht_opmode
;
1803 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1804 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1806 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1807 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1808 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1809 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1810 conf
->dot11MeshHWMProotInterval
=
1811 nconf
->dot11MeshHWMProotInterval
;
1812 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
1813 conf
->dot11MeshHWMPconfirmationInterval
=
1814 nconf
->dot11MeshHWMPconfirmationInterval
;
1815 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE
, mask
)) {
1816 conf
->power_mode
= nconf
->power_mode
;
1817 ieee80211_mps_local_status_update(sdata
);
1819 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW
, mask
))
1820 conf
->dot11MeshAwakeWindowDuration
=
1821 nconf
->dot11MeshAwakeWindowDuration
;
1822 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT
, mask
))
1823 conf
->plink_timeout
= nconf
->plink_timeout
;
1824 ieee80211_mbss_info_change_notify(sdata
, BSS_CHANGED_BEACON
);
1828 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
1829 const struct mesh_config
*conf
,
1830 const struct mesh_setup
*setup
)
1832 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1833 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
1836 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
1837 err
= copy_mesh_setup(ifmsh
, setup
);
1841 /* can mesh use other SMPS modes? */
1842 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
1843 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
1845 mutex_lock(&sdata
->local
->mtx
);
1846 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
1847 IEEE80211_CHANCTX_SHARED
);
1848 mutex_unlock(&sdata
->local
->mtx
);
1852 return ieee80211_start_mesh(sdata
);
1855 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
1857 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1859 ieee80211_stop_mesh(sdata
);
1860 mutex_lock(&sdata
->local
->mtx
);
1861 ieee80211_vif_release_channel(sdata
);
1862 mutex_unlock(&sdata
->local
->mtx
);
1868 static int ieee80211_change_bss(struct wiphy
*wiphy
,
1869 struct net_device
*dev
,
1870 struct bss_parameters
*params
)
1872 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1873 enum nl80211_band band
;
1876 if (!sdata_dereference(sdata
->u
.ap
.beacon
, sdata
))
1879 band
= ieee80211_get_sdata_band(sdata
);
1881 if (params
->use_cts_prot
>= 0) {
1882 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
1883 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
1885 if (params
->use_short_preamble
>= 0) {
1886 sdata
->vif
.bss_conf
.use_short_preamble
=
1887 params
->use_short_preamble
;
1888 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
1891 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
1892 band
== NL80211_BAND_5GHZ
) {
1893 sdata
->vif
.bss_conf
.use_short_slot
= true;
1894 changed
|= BSS_CHANGED_ERP_SLOT
;
1897 if (params
->use_short_slot_time
>= 0) {
1898 sdata
->vif
.bss_conf
.use_short_slot
=
1899 params
->use_short_slot_time
;
1900 changed
|= BSS_CHANGED_ERP_SLOT
;
1903 if (params
->basic_rates
) {
1904 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1906 params
->basic_rates
,
1907 params
->basic_rates_len
,
1908 &sdata
->vif
.bss_conf
.basic_rates
);
1909 changed
|= BSS_CHANGED_BASIC_RATES
;
1912 if (params
->ap_isolate
>= 0) {
1913 if (params
->ap_isolate
)
1914 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1916 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
1917 ieee80211_check_fast_rx_iface(sdata
);
1920 if (params
->ht_opmode
>= 0) {
1921 sdata
->vif
.bss_conf
.ht_operation_mode
=
1922 (u16
) params
->ht_opmode
;
1923 changed
|= BSS_CHANGED_HT
;
1926 if (params
->p2p_ctwindow
>= 0) {
1927 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
1928 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1929 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1930 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
1931 changed
|= BSS_CHANGED_P2P_PS
;
1934 if (params
->p2p_opp_ps
> 0) {
1935 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
1936 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1937 changed
|= BSS_CHANGED_P2P_PS
;
1938 } else if (params
->p2p_opp_ps
== 0) {
1939 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
1940 ~IEEE80211_P2P_OPPPS_ENABLE_BIT
;
1941 changed
|= BSS_CHANGED_P2P_PS
;
1944 ieee80211_bss_info_change_notify(sdata
, changed
);
1949 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
1950 struct net_device
*dev
,
1951 struct ieee80211_txq_params
*params
)
1953 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1954 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1955 struct ieee80211_tx_queue_params p
;
1957 if (!local
->ops
->conf_tx
)
1960 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
1963 memset(&p
, 0, sizeof(p
));
1964 p
.aifs
= params
->aifs
;
1965 p
.cw_max
= params
->cwmax
;
1966 p
.cw_min
= params
->cwmin
;
1967 p
.txop
= params
->txop
;
1970 * Setting tx queue params disables u-apsd because it's only
1971 * called in master mode.
1975 sdata
->tx_conf
[params
->ac
] = p
;
1976 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
1977 wiphy_debug(local
->hw
.wiphy
,
1978 "failed to set TX queue parameters for AC %d\n",
1983 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
1989 static int ieee80211_suspend(struct wiphy
*wiphy
,
1990 struct cfg80211_wowlan
*wowlan
)
1992 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
1995 static int ieee80211_resume(struct wiphy
*wiphy
)
1997 return __ieee80211_resume(wiphy_priv(wiphy
));
2000 #define ieee80211_suspend NULL
2001 #define ieee80211_resume NULL
2004 static int ieee80211_scan(struct wiphy
*wiphy
,
2005 struct cfg80211_scan_request
*req
)
2007 struct ieee80211_sub_if_data
*sdata
;
2009 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
2011 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
2012 case NL80211_IFTYPE_STATION
:
2013 case NL80211_IFTYPE_ADHOC
:
2014 case NL80211_IFTYPE_MESH_POINT
:
2015 case NL80211_IFTYPE_P2P_CLIENT
:
2016 case NL80211_IFTYPE_P2P_DEVICE
:
2018 case NL80211_IFTYPE_P2P_GO
:
2019 if (sdata
->local
->ops
->hw_scan
)
2022 * FIXME: implement NoA while scanning in software,
2023 * for now fall through to allow scanning only when
2024 * beaconing hasn't been configured yet
2026 case NL80211_IFTYPE_AP
:
2028 * If the scan has been forced (and the driver supports
2029 * forcing), don't care about being beaconing already.
2030 * This will create problems to the attached stations (e.g. all
2031 * the frames sent while scanning on other channel will be
2034 if (sdata
->u
.ap
.beacon
&&
2035 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
2036 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
2043 return ieee80211_request_scan(sdata
, req
);
2046 static void ieee80211_abort_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
2048 ieee80211_scan_cancel(wiphy_priv(wiphy
));
2052 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
2053 struct net_device
*dev
,
2054 struct cfg80211_sched_scan_request
*req
)
2056 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2058 if (!sdata
->local
->ops
->sched_scan_start
)
2061 return ieee80211_request_sched_scan_start(sdata
, req
);
2065 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
)
2067 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2069 if (!local
->ops
->sched_scan_stop
)
2072 return ieee80211_request_sched_scan_stop(local
);
2075 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
2076 struct cfg80211_auth_request
*req
)
2078 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2081 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2082 struct cfg80211_assoc_request
*req
)
2084 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2087 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
2088 struct cfg80211_deauth_request
*req
)
2090 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2093 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2094 struct cfg80211_disassoc_request
*req
)
2096 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2099 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2100 struct cfg80211_ibss_params
*params
)
2102 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
2105 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2107 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2110 static int ieee80211_join_ocb(struct wiphy
*wiphy
, struct net_device
*dev
,
2111 struct ocb_setup
*setup
)
2113 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev
), setup
);
2116 static int ieee80211_leave_ocb(struct wiphy
*wiphy
, struct net_device
*dev
)
2118 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2121 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
2122 int rate
[NUM_NL80211_BANDS
])
2124 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2126 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
,
2127 sizeof(int) * NUM_NL80211_BANDS
);
2132 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
2134 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2137 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
2138 ieee80211_check_fast_xmit_all(local
);
2140 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
2143 ieee80211_check_fast_xmit_all(local
);
2148 if ((changed
& WIPHY_PARAM_COVERAGE_CLASS
) ||
2149 (changed
& WIPHY_PARAM_DYN_ACK
)) {
2152 coverage_class
= changed
& WIPHY_PARAM_COVERAGE_CLASS
?
2153 wiphy
->coverage_class
: -1;
2154 err
= drv_set_coverage_class(local
, coverage_class
);
2160 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
2161 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2167 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2168 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2170 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2172 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2173 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2175 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2178 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2179 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2184 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2185 struct wireless_dev
*wdev
,
2186 enum nl80211_tx_power_setting type
, int mbm
)
2188 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2189 struct ieee80211_sub_if_data
*sdata
;
2190 enum nl80211_tx_power_setting txp_type
= type
;
2191 bool update_txp_type
= false;
2194 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2197 case NL80211_TX_POWER_AUTOMATIC
:
2198 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2199 txp_type
= NL80211_TX_POWER_LIMITED
;
2201 case NL80211_TX_POWER_LIMITED
:
2202 case NL80211_TX_POWER_FIXED
:
2203 if (mbm
< 0 || (mbm
% 100))
2205 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2209 if (txp_type
!= sdata
->vif
.bss_conf
.txpower_type
) {
2210 update_txp_type
= true;
2211 sdata
->vif
.bss_conf
.txpower_type
= txp_type
;
2214 ieee80211_recalc_txpower(sdata
, update_txp_type
);
2220 case NL80211_TX_POWER_AUTOMATIC
:
2221 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2222 txp_type
= NL80211_TX_POWER_LIMITED
;
2224 case NL80211_TX_POWER_LIMITED
:
2225 case NL80211_TX_POWER_FIXED
:
2226 if (mbm
< 0 || (mbm
% 100))
2228 local
->user_power_level
= MBM_TO_DBM(mbm
);
2232 mutex_lock(&local
->iflist_mtx
);
2233 list_for_each_entry(sdata
, &local
->interfaces
, list
) {
2234 sdata
->user_power_level
= local
->user_power_level
;
2235 if (txp_type
!= sdata
->vif
.bss_conf
.txpower_type
)
2236 update_txp_type
= true;
2237 sdata
->vif
.bss_conf
.txpower_type
= txp_type
;
2239 list_for_each_entry(sdata
, &local
->interfaces
, list
)
2240 ieee80211_recalc_txpower(sdata
, update_txp_type
);
2241 mutex_unlock(&local
->iflist_mtx
);
2246 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2247 struct wireless_dev
*wdev
,
2250 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2251 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2253 if (local
->ops
->get_txpower
)
2254 return drv_get_txpower(local
, sdata
, dbm
);
2256 if (!local
->use_chanctx
)
2257 *dbm
= local
->hw
.conf
.power_level
;
2259 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2264 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2267 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2269 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2274 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2276 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2278 drv_rfkill_poll(local
);
2281 #ifdef CONFIG_NL80211_TESTMODE
2282 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
,
2283 struct wireless_dev
*wdev
,
2284 void *data
, int len
)
2286 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2287 struct ieee80211_vif
*vif
= NULL
;
2289 if (!local
->ops
->testmode_cmd
)
2293 struct ieee80211_sub_if_data
*sdata
;
2295 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2296 if (sdata
->flags
& IEEE80211_SDATA_IN_DRIVER
)
2300 return local
->ops
->testmode_cmd(&local
->hw
, vif
, data
, len
);
2303 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2304 struct sk_buff
*skb
,
2305 struct netlink_callback
*cb
,
2306 void *data
, int len
)
2308 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2310 if (!local
->ops
->testmode_dump
)
2313 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2317 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data
*sdata
,
2318 enum ieee80211_smps_mode smps_mode
)
2320 struct sta_info
*sta
;
2321 enum ieee80211_smps_mode old_req
;
2323 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_AP
))
2326 if (sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2329 old_req
= sdata
->u
.ap
.req_smps
;
2330 sdata
->u
.ap
.req_smps
= smps_mode
;
2332 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2333 if (old_req
== smps_mode
||
2334 smps_mode
== IEEE80211_SMPS_AUTOMATIC
)
2337 /* If no associated stations, there's no need to do anything */
2338 if (!atomic_read(&sdata
->u
.ap
.num_mcast_sta
)) {
2339 sdata
->smps_mode
= smps_mode
;
2340 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2345 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2346 smps_mode
, atomic_read(&sdata
->u
.ap
.num_mcast_sta
));
2348 mutex_lock(&sdata
->local
->sta_mtx
);
2349 list_for_each_entry(sta
, &sdata
->local
->sta_list
, list
) {
2351 * Only stations associated to our AP and
2354 if (sta
->sdata
->bss
!= &sdata
->u
.ap
)
2357 /* This station doesn't support MIMO - skip it */
2358 if (sta_info_tx_streams(sta
) == 1)
2362 * Don't wake up a STA just to send the action frame
2363 * unless we are getting more restrictive.
2365 if (test_sta_flag(sta
, WLAN_STA_PS_STA
) &&
2366 !ieee80211_smps_is_restrictive(sta
->known_smps_mode
,
2368 ht_dbg(sdata
, "Won't send SMPS to sleeping STA %pM\n",
2374 * If the STA is not authorized, wait until it gets
2375 * authorized and the action frame will be sent then.
2377 if (!test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2380 ht_dbg(sdata
, "Sending SMPS to %pM\n", sta
->sta
.addr
);
2381 ieee80211_send_smps_action(sdata
, smps_mode
, sta
->sta
.addr
,
2382 sdata
->vif
.bss_conf
.bssid
);
2384 mutex_unlock(&sdata
->local
->sta_mtx
);
2386 sdata
->smps_mode
= smps_mode
;
2387 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2392 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data
*sdata
,
2393 enum ieee80211_smps_mode smps_mode
)
2396 enum ieee80211_smps_mode old_req
;
2398 struct sta_info
*sta
;
2399 bool tdls_peer_found
= false;
2401 lockdep_assert_held(&sdata
->wdev
.mtx
);
2403 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_STATION
))
2406 old_req
= sdata
->u
.mgd
.req_smps
;
2407 sdata
->u
.mgd
.req_smps
= smps_mode
;
2409 if (old_req
== smps_mode
&&
2410 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2414 * If not associated, or current association is not an HT
2415 * association, there's no need to do anything, just store
2416 * the new value until we associate.
2418 if (!sdata
->u
.mgd
.associated
||
2419 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2422 ap
= sdata
->u
.mgd
.associated
->bssid
;
2425 list_for_each_entry_rcu(sta
, &sdata
->local
->sta_list
, list
) {
2426 if (!sta
->sta
.tdls
|| sta
->sdata
!= sdata
|| !sta
->uploaded
||
2427 !test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2430 tdls_peer_found
= true;
2435 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2436 if (tdls_peer_found
|| !sdata
->u
.mgd
.powersave
)
2437 smps_mode
= IEEE80211_SMPS_OFF
;
2439 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2442 /* send SM PS frame to AP */
2443 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2446 sdata
->u
.mgd
.req_smps
= old_req
;
2447 else if (smps_mode
!= IEEE80211_SMPS_OFF
&& tdls_peer_found
)
2448 ieee80211_teardown_tdls_peers(sdata
);
2453 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2454 bool enabled
, int timeout
)
2456 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2457 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2459 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2462 if (!ieee80211_hw_check(&local
->hw
, SUPPORTS_PS
))
2465 if (enabled
== sdata
->u
.mgd
.powersave
&&
2466 timeout
== local
->dynamic_ps_forced_timeout
)
2469 sdata
->u
.mgd
.powersave
= enabled
;
2470 local
->dynamic_ps_forced_timeout
= timeout
;
2472 /* no change, but if automatic follow powersave */
2474 __ieee80211_request_smps_mgd(sdata
, sdata
->u
.mgd
.req_smps
);
2475 sdata_unlock(sdata
);
2477 if (ieee80211_hw_check(&local
->hw
, SUPPORTS_DYNAMIC_PS
))
2478 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2480 ieee80211_recalc_ps(local
);
2481 ieee80211_recalc_ps_vif(sdata
);
2486 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2487 struct net_device
*dev
,
2488 s32 rssi_thold
, u32 rssi_hyst
)
2490 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2491 struct ieee80211_vif
*vif
= &sdata
->vif
;
2492 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2494 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2495 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2498 if (sdata
->vif
.driver_flags
& IEEE80211_VIF_BEACON_FILTER
&&
2499 !(sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
))
2502 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2503 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2504 sdata
->u
.mgd
.last_cqm_event_signal
= 0;
2506 /* tell the driver upon association, unless already associated */
2507 if (sdata
->u
.mgd
.associated
&&
2508 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2509 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2514 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2515 struct net_device
*dev
,
2517 const struct cfg80211_bitrate_mask
*mask
)
2519 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2520 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2523 if (!ieee80211_sdata_running(sdata
))
2526 if (ieee80211_hw_check(&local
->hw
, HAS_RATE_CONTROL
)) {
2527 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2532 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
2533 struct ieee80211_supported_band
*sband
= wiphy
->bands
[i
];
2536 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2537 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].ht_mcs
,
2538 sizeof(mask
->control
[i
].ht_mcs
));
2539 memcpy(sdata
->rc_rateidx_vht_mcs_mask
[i
],
2540 mask
->control
[i
].vht_mcs
,
2541 sizeof(mask
->control
[i
].vht_mcs
));
2543 sdata
->rc_has_mcs_mask
[i
] = false;
2544 sdata
->rc_has_vht_mcs_mask
[i
] = false;
2548 for (j
= 0; j
< IEEE80211_HT_MCS_MASK_LEN
; j
++) {
2549 if (~sdata
->rc_rateidx_mcs_mask
[i
][j
]) {
2550 sdata
->rc_has_mcs_mask
[i
] = true;
2555 for (j
= 0; j
< NL80211_VHT_NSS_MAX
; j
++) {
2556 if (~sdata
->rc_rateidx_vht_mcs_mask
[i
][j
]) {
2557 sdata
->rc_has_vht_mcs_mask
[i
] = true;
2566 static int ieee80211_start_radar_detection(struct wiphy
*wiphy
,
2567 struct net_device
*dev
,
2568 struct cfg80211_chan_def
*chandef
,
2571 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2572 struct ieee80211_local
*local
= sdata
->local
;
2575 mutex_lock(&local
->mtx
);
2576 if (!list_empty(&local
->roc_list
) || local
->scanning
) {
2581 /* whatever, but channel contexts should not complain about that one */
2582 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2583 sdata
->needed_rx_chains
= local
->rx_chains
;
2585 err
= ieee80211_vif_use_channel(sdata
, chandef
,
2586 IEEE80211_CHANCTX_SHARED
);
2590 ieee80211_queue_delayed_work(&sdata
->local
->hw
,
2591 &sdata
->dfs_cac_timer_work
,
2592 msecs_to_jiffies(cac_time_ms
));
2595 mutex_unlock(&local
->mtx
);
2599 static struct cfg80211_beacon_data
*
2600 cfg80211_beacon_dup(struct cfg80211_beacon_data
*beacon
)
2602 struct cfg80211_beacon_data
*new_beacon
;
2606 len
= beacon
->head_len
+ beacon
->tail_len
+ beacon
->beacon_ies_len
+
2607 beacon
->proberesp_ies_len
+ beacon
->assocresp_ies_len
+
2608 beacon
->probe_resp_len
;
2610 new_beacon
= kzalloc(sizeof(*new_beacon
) + len
, GFP_KERNEL
);
2614 pos
= (u8
*)(new_beacon
+ 1);
2615 if (beacon
->head_len
) {
2616 new_beacon
->head_len
= beacon
->head_len
;
2617 new_beacon
->head
= pos
;
2618 memcpy(pos
, beacon
->head
, beacon
->head_len
);
2619 pos
+= beacon
->head_len
;
2621 if (beacon
->tail_len
) {
2622 new_beacon
->tail_len
= beacon
->tail_len
;
2623 new_beacon
->tail
= pos
;
2624 memcpy(pos
, beacon
->tail
, beacon
->tail_len
);
2625 pos
+= beacon
->tail_len
;
2627 if (beacon
->beacon_ies_len
) {
2628 new_beacon
->beacon_ies_len
= beacon
->beacon_ies_len
;
2629 new_beacon
->beacon_ies
= pos
;
2630 memcpy(pos
, beacon
->beacon_ies
, beacon
->beacon_ies_len
);
2631 pos
+= beacon
->beacon_ies_len
;
2633 if (beacon
->proberesp_ies_len
) {
2634 new_beacon
->proberesp_ies_len
= beacon
->proberesp_ies_len
;
2635 new_beacon
->proberesp_ies
= pos
;
2636 memcpy(pos
, beacon
->proberesp_ies
, beacon
->proberesp_ies_len
);
2637 pos
+= beacon
->proberesp_ies_len
;
2639 if (beacon
->assocresp_ies_len
) {
2640 new_beacon
->assocresp_ies_len
= beacon
->assocresp_ies_len
;
2641 new_beacon
->assocresp_ies
= pos
;
2642 memcpy(pos
, beacon
->assocresp_ies
, beacon
->assocresp_ies_len
);
2643 pos
+= beacon
->assocresp_ies_len
;
2645 if (beacon
->probe_resp_len
) {
2646 new_beacon
->probe_resp_len
= beacon
->probe_resp_len
;
2647 beacon
->probe_resp
= pos
;
2648 memcpy(pos
, beacon
->probe_resp
, beacon
->probe_resp_len
);
2649 pos
+= beacon
->probe_resp_len
;
2655 void ieee80211_csa_finish(struct ieee80211_vif
*vif
)
2657 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
2659 ieee80211_queue_work(&sdata
->local
->hw
,
2660 &sdata
->csa_finalize_work
);
2662 EXPORT_SYMBOL(ieee80211_csa_finish
);
2664 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
2669 switch (sdata
->vif
.type
) {
2670 case NL80211_IFTYPE_AP
:
2671 err
= ieee80211_assign_beacon(sdata
, sdata
->u
.ap
.next_beacon
,
2673 kfree(sdata
->u
.ap
.next_beacon
);
2674 sdata
->u
.ap
.next_beacon
= NULL
;
2680 case NL80211_IFTYPE_ADHOC
:
2681 err
= ieee80211_ibss_finish_csa(sdata
);
2686 #ifdef CONFIG_MAC80211_MESH
2687 case NL80211_IFTYPE_MESH_POINT
:
2688 err
= ieee80211_mesh_finish_csa(sdata
);
2702 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2704 struct ieee80211_local
*local
= sdata
->local
;
2708 sdata_assert_lock(sdata
);
2709 lockdep_assert_held(&local
->mtx
);
2710 lockdep_assert_held(&local
->chanctx_mtx
);
2713 * using reservation isn't immediate as it may be deferred until later
2714 * with multi-vif. once reservation is complete it will re-schedule the
2715 * work with no reserved_chanctx so verify chandef to check if it
2716 * completed successfully
2719 if (sdata
->reserved_chanctx
) {
2721 * with multi-vif csa driver may call ieee80211_csa_finish()
2722 * many times while waiting for other interfaces to use their
2725 if (sdata
->reserved_ready
)
2728 return ieee80211_vif_use_reserved_context(sdata
);
2731 if (!cfg80211_chandef_identical(&sdata
->vif
.bss_conf
.chandef
,
2732 &sdata
->csa_chandef
))
2735 sdata
->vif
.csa_active
= false;
2737 err
= ieee80211_set_after_csa_beacon(sdata
, &changed
);
2741 ieee80211_bss_info_change_notify(sdata
, changed
);
2743 if (sdata
->csa_block_tx
) {
2744 ieee80211_wake_vif_queues(local
, sdata
,
2745 IEEE80211_QUEUE_STOP_REASON_CSA
);
2746 sdata
->csa_block_tx
= false;
2749 err
= drv_post_channel_switch(sdata
);
2753 cfg80211_ch_switch_notify(sdata
->dev
, &sdata
->csa_chandef
);
2758 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2760 if (__ieee80211_csa_finalize(sdata
)) {
2761 sdata_info(sdata
, "failed to finalize CSA, disconnecting\n");
2762 cfg80211_stop_iface(sdata
->local
->hw
.wiphy
, &sdata
->wdev
,
2767 void ieee80211_csa_finalize_work(struct work_struct
*work
)
2769 struct ieee80211_sub_if_data
*sdata
=
2770 container_of(work
, struct ieee80211_sub_if_data
,
2772 struct ieee80211_local
*local
= sdata
->local
;
2775 mutex_lock(&local
->mtx
);
2776 mutex_lock(&local
->chanctx_mtx
);
2778 /* AP might have been stopped while waiting for the lock. */
2779 if (!sdata
->vif
.csa_active
)
2782 if (!ieee80211_sdata_running(sdata
))
2785 ieee80211_csa_finalize(sdata
);
2788 mutex_unlock(&local
->chanctx_mtx
);
2789 mutex_unlock(&local
->mtx
);
2790 sdata_unlock(sdata
);
2793 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
2794 struct cfg80211_csa_settings
*params
,
2797 struct ieee80211_csa_settings csa
= {};
2800 switch (sdata
->vif
.type
) {
2801 case NL80211_IFTYPE_AP
:
2802 sdata
->u
.ap
.next_beacon
=
2803 cfg80211_beacon_dup(¶ms
->beacon_after
);
2804 if (!sdata
->u
.ap
.next_beacon
)
2808 * With a count of 0, we don't have to wait for any
2809 * TBTT before switching, so complete the CSA
2810 * immediately. In theory, with a count == 1 we
2811 * should delay the switch until just before the next
2812 * TBTT, but that would complicate things so we switch
2813 * immediately too. If we would delay the switch
2814 * until the next TBTT, we would have to set the probe
2817 * TODO: A channel switch with count <= 1 without
2818 * sending a CSA action frame is kind of useless,
2819 * because the clients won't know we're changing
2820 * channels. The action frame must be implemented
2821 * either here or in the userspace.
2823 if (params
->count
<= 1)
2826 if ((params
->n_counter_offsets_beacon
>
2827 IEEE80211_MAX_CSA_COUNTERS_NUM
) ||
2828 (params
->n_counter_offsets_presp
>
2829 IEEE80211_MAX_CSA_COUNTERS_NUM
))
2832 csa
.counter_offsets_beacon
= params
->counter_offsets_beacon
;
2833 csa
.counter_offsets_presp
= params
->counter_offsets_presp
;
2834 csa
.n_counter_offsets_beacon
= params
->n_counter_offsets_beacon
;
2835 csa
.n_counter_offsets_presp
= params
->n_counter_offsets_presp
;
2836 csa
.count
= params
->count
;
2838 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon_csa
, &csa
);
2840 kfree(sdata
->u
.ap
.next_beacon
);
2846 case NL80211_IFTYPE_ADHOC
:
2847 if (!sdata
->vif
.bss_conf
.ibss_joined
)
2850 if (params
->chandef
.width
!= sdata
->u
.ibss
.chandef
.width
)
2853 switch (params
->chandef
.width
) {
2854 case NL80211_CHAN_WIDTH_40
:
2855 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
2856 cfg80211_get_chandef_type(&sdata
->u
.ibss
.chandef
))
2858 case NL80211_CHAN_WIDTH_5
:
2859 case NL80211_CHAN_WIDTH_10
:
2860 case NL80211_CHAN_WIDTH_20_NOHT
:
2861 case NL80211_CHAN_WIDTH_20
:
2867 /* changes into another band are not supported */
2868 if (sdata
->u
.ibss
.chandef
.chan
->band
!=
2869 params
->chandef
.chan
->band
)
2872 /* see comments in the NL80211_IFTYPE_AP block */
2873 if (params
->count
> 1) {
2874 err
= ieee80211_ibss_csa_beacon(sdata
, params
);
2880 ieee80211_send_action_csa(sdata
, params
);
2883 #ifdef CONFIG_MAC80211_MESH
2884 case NL80211_IFTYPE_MESH_POINT
: {
2885 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
2887 if (params
->chandef
.width
!= sdata
->vif
.bss_conf
.chandef
.width
)
2890 /* changes into another band are not supported */
2891 if (sdata
->vif
.bss_conf
.chandef
.chan
->band
!=
2892 params
->chandef
.chan
->band
)
2895 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_NONE
) {
2896 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_INIT
;
2897 if (!ifmsh
->pre_value
)
2898 ifmsh
->pre_value
= 1;
2903 /* see comments in the NL80211_IFTYPE_AP block */
2904 if (params
->count
> 1) {
2905 err
= ieee80211_mesh_csa_beacon(sdata
, params
);
2907 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_NONE
;
2913 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_INIT
)
2914 ieee80211_send_action_csa(sdata
, params
);
2927 __ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
2928 struct cfg80211_csa_settings
*params
)
2930 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2931 struct ieee80211_local
*local
= sdata
->local
;
2932 struct ieee80211_channel_switch ch_switch
;
2933 struct ieee80211_chanctx_conf
*conf
;
2934 struct ieee80211_chanctx
*chanctx
;
2938 sdata_assert_lock(sdata
);
2939 lockdep_assert_held(&local
->mtx
);
2941 if (!list_empty(&local
->roc_list
) || local
->scanning
)
2944 if (sdata
->wdev
.cac_started
)
2947 if (cfg80211_chandef_identical(¶ms
->chandef
,
2948 &sdata
->vif
.bss_conf
.chandef
))
2951 /* don't allow another channel switch if one is already active. */
2952 if (sdata
->vif
.csa_active
)
2955 mutex_lock(&local
->chanctx_mtx
);
2956 conf
= rcu_dereference_protected(sdata
->vif
.chanctx_conf
,
2957 lockdep_is_held(&local
->chanctx_mtx
));
2963 chanctx
= container_of(conf
, struct ieee80211_chanctx
, conf
);
2969 ch_switch
.timestamp
= 0;
2970 ch_switch
.device_timestamp
= 0;
2971 ch_switch
.block_tx
= params
->block_tx
;
2972 ch_switch
.chandef
= params
->chandef
;
2973 ch_switch
.count
= params
->count
;
2975 err
= drv_pre_channel_switch(sdata
, &ch_switch
);
2979 err
= ieee80211_vif_reserve_chanctx(sdata
, ¶ms
->chandef
,
2981 params
->radar_required
);
2985 /* if reservation is invalid then this will fail */
2986 err
= ieee80211_check_combinations(sdata
, NULL
, chanctx
->mode
, 0);
2988 ieee80211_vif_unreserve_chanctx(sdata
);
2992 err
= ieee80211_set_csa_beacon(sdata
, params
, &changed
);
2994 ieee80211_vif_unreserve_chanctx(sdata
);
2998 sdata
->csa_chandef
= params
->chandef
;
2999 sdata
->csa_block_tx
= params
->block_tx
;
3000 sdata
->vif
.csa_active
= true;
3002 if (sdata
->csa_block_tx
)
3003 ieee80211_stop_vif_queues(local
, sdata
,
3004 IEEE80211_QUEUE_STOP_REASON_CSA
);
3006 cfg80211_ch_switch_started_notify(sdata
->dev
, &sdata
->csa_chandef
,
3010 ieee80211_bss_info_change_notify(sdata
, changed
);
3011 drv_channel_switch_beacon(sdata
, ¶ms
->chandef
);
3013 /* if the beacon didn't change, we can finalize immediately */
3014 ieee80211_csa_finalize(sdata
);
3018 mutex_unlock(&local
->chanctx_mtx
);
3022 int ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3023 struct cfg80211_csa_settings
*params
)
3025 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3026 struct ieee80211_local
*local
= sdata
->local
;
3029 mutex_lock(&local
->mtx
);
3030 err
= __ieee80211_channel_switch(wiphy
, dev
, params
);
3031 mutex_unlock(&local
->mtx
);
3036 u64
ieee80211_mgmt_tx_cookie(struct ieee80211_local
*local
)
3038 lockdep_assert_held(&local
->mtx
);
3040 local
->roc_cookie_counter
++;
3042 /* wow, you wrapped 64 bits ... more likely a bug */
3043 if (WARN_ON(local
->roc_cookie_counter
== 0))
3044 local
->roc_cookie_counter
++;
3046 return local
->roc_cookie_counter
;
3049 int ieee80211_attach_ack_skb(struct ieee80211_local
*local
, struct sk_buff
*skb
,
3050 u64
*cookie
, gfp_t gfp
)
3052 unsigned long spin_flags
;
3053 struct sk_buff
*ack_skb
;
3056 ack_skb
= skb_copy(skb
, gfp
);
3060 spin_lock_irqsave(&local
->ack_status_lock
, spin_flags
);
3061 id
= idr_alloc(&local
->ack_status_frames
, ack_skb
,
3062 1, 0x10000, GFP_ATOMIC
);
3063 spin_unlock_irqrestore(&local
->ack_status_lock
, spin_flags
);
3070 IEEE80211_SKB_CB(skb
)->ack_frame_id
= id
;
3072 *cookie
= ieee80211_mgmt_tx_cookie(local
);
3073 IEEE80211_SKB_CB(ack_skb
)->ack
.cookie
= *cookie
;
3078 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
3079 struct wireless_dev
*wdev
,
3080 u16 frame_type
, bool reg
)
3082 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3083 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3085 switch (frame_type
) {
3086 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
3088 local
->probe_req_reg
++;
3089 sdata
->vif
.probe_req_reg
++;
3091 if (local
->probe_req_reg
)
3092 local
->probe_req_reg
--;
3094 if (sdata
->vif
.probe_req_reg
)
3095 sdata
->vif
.probe_req_reg
--;
3098 if (!local
->open_count
)
3101 if (sdata
->vif
.probe_req_reg
== 1)
3102 drv_config_iface_filter(local
, sdata
, FIF_PROBE_REQ
,
3104 else if (sdata
->vif
.probe_req_reg
== 0)
3105 drv_config_iface_filter(local
, sdata
, 0,
3108 ieee80211_configure_filter(local
);
3115 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
3117 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3122 return drv_set_antenna(local
, tx_ant
, rx_ant
);
3125 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
3127 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3129 return drv_get_antenna(local
, tx_ant
, rx_ant
);
3132 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
3133 struct net_device
*dev
,
3134 struct cfg80211_gtk_rekey_data
*data
)
3136 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3137 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3139 if (!local
->ops
->set_rekey_data
)
3142 drv_set_rekey_data(local
, sdata
, data
);
3147 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3148 const u8
*peer
, u64
*cookie
)
3150 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3151 struct ieee80211_local
*local
= sdata
->local
;
3152 struct ieee80211_qos_hdr
*nullfunc
;
3153 struct sk_buff
*skb
;
3154 int size
= sizeof(*nullfunc
);
3157 struct ieee80211_tx_info
*info
;
3158 struct sta_info
*sta
;
3159 struct ieee80211_chanctx_conf
*chanctx_conf
;
3160 enum nl80211_band band
;
3163 /* the lock is needed to assign the cookie later */
3164 mutex_lock(&local
->mtx
);
3167 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3168 if (WARN_ON(!chanctx_conf
)) {
3172 band
= chanctx_conf
->def
.chan
->band
;
3173 sta
= sta_info_get_bss(sdata
, peer
);
3182 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3183 IEEE80211_STYPE_QOS_NULLFUNC
|
3184 IEEE80211_FCTL_FROMDS
);
3187 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3188 IEEE80211_STYPE_NULLFUNC
|
3189 IEEE80211_FCTL_FROMDS
);
3192 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3200 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3202 nullfunc
= (void *) skb_put(skb
, size
);
3203 nullfunc
->frame_control
= fc
;
3204 nullfunc
->duration_id
= 0;
3205 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3206 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3207 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3208 nullfunc
->seq_ctrl
= 0;
3210 info
= IEEE80211_SKB_CB(skb
);
3212 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3213 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3216 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3219 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3221 ret
= ieee80211_attach_ack_skb(local
, skb
, cookie
, GFP_ATOMIC
);
3228 ieee80211_xmit(sdata
, sta
, skb
);
3234 mutex_unlock(&local
->mtx
);
3239 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3240 struct wireless_dev
*wdev
,
3241 struct cfg80211_chan_def
*chandef
)
3243 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3244 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3245 struct ieee80211_chanctx_conf
*chanctx_conf
;
3249 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3251 *chandef
= sdata
->vif
.bss_conf
.chandef
;
3253 } else if (local
->open_count
> 0 &&
3254 local
->open_count
== local
->monitors
&&
3255 sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
3256 if (local
->use_chanctx
)
3257 *chandef
= local
->monitor_chandef
;
3259 *chandef
= local
->_oper_chandef
;
3268 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3270 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3274 static int ieee80211_set_qos_map(struct wiphy
*wiphy
,
3275 struct net_device
*dev
,
3276 struct cfg80211_qos_map
*qos_map
)
3278 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3279 struct mac80211_qos_map
*new_qos_map
, *old_qos_map
;
3282 new_qos_map
= kzalloc(sizeof(*new_qos_map
), GFP_KERNEL
);
3285 memcpy(&new_qos_map
->qos_map
, qos_map
, sizeof(*qos_map
));
3287 /* A NULL qos_map was passed to disable QoS mapping */
3291 old_qos_map
= sdata_dereference(sdata
->qos_map
, sdata
);
3292 rcu_assign_pointer(sdata
->qos_map
, new_qos_map
);
3294 kfree_rcu(old_qos_map
, rcu_head
);
3299 static int ieee80211_set_ap_chanwidth(struct wiphy
*wiphy
,
3300 struct net_device
*dev
,
3301 struct cfg80211_chan_def
*chandef
)
3303 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3307 ret
= ieee80211_vif_change_bandwidth(sdata
, chandef
, &changed
);
3309 ieee80211_bss_info_change_notify(sdata
, changed
);
3314 static int ieee80211_add_tx_ts(struct wiphy
*wiphy
, struct net_device
*dev
,
3315 u8 tsid
, const u8
*peer
, u8 up
,
3318 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3319 struct ieee80211_if_managed
*ifmgd
= &sdata
->u
.mgd
;
3320 int ac
= ieee802_1d_to_ac
[up
];
3322 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
3325 if (!(sdata
->wmm_acm
& BIT(up
)))
3328 if (ifmgd
->tx_tspec
[ac
].admitted_time
)
3331 if (admitted_time
) {
3332 ifmgd
->tx_tspec
[ac
].admitted_time
= 32 * admitted_time
;
3333 ifmgd
->tx_tspec
[ac
].tsid
= tsid
;
3334 ifmgd
->tx_tspec
[ac
].up
= up
;
3340 static int ieee80211_del_tx_ts(struct wiphy
*wiphy
, struct net_device
*dev
,
3341 u8 tsid
, const u8
*peer
)
3343 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3344 struct ieee80211_if_managed
*ifmgd
= &sdata
->u
.mgd
;
3345 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3348 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++) {
3349 struct ieee80211_sta_tx_tspec
*tx_tspec
= &ifmgd
->tx_tspec
[ac
];
3351 /* skip unused entries */
3352 if (!tx_tspec
->admitted_time
)
3355 if (tx_tspec
->tsid
!= tsid
)
3358 /* due to this new packets will be reassigned to non-ACM ACs */
3361 /* Make sure that all packets have been sent to avoid to
3362 * restore the QoS params on packets that are still on the
3366 ieee80211_flush_queues(local
, sdata
, false);
3368 /* restore the normal QoS parameters
3369 * (unconditionally to avoid races)
3371 tx_tspec
->action
= TX_TSPEC_ACTION_STOP_DOWNGRADE
;
3372 tx_tspec
->downgraded
= false;
3373 ieee80211_sta_handle_tspec_ac_params(sdata
);
3375 /* finally clear all the data */
3376 memset(tx_tspec
, 0, sizeof(*tx_tspec
));
3384 const struct cfg80211_ops mac80211_config_ops
= {
3385 .add_virtual_intf
= ieee80211_add_iface
,
3386 .del_virtual_intf
= ieee80211_del_iface
,
3387 .change_virtual_intf
= ieee80211_change_iface
,
3388 .start_p2p_device
= ieee80211_start_p2p_device
,
3389 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3390 .add_key
= ieee80211_add_key
,
3391 .del_key
= ieee80211_del_key
,
3392 .get_key
= ieee80211_get_key
,
3393 .set_default_key
= ieee80211_config_default_key
,
3394 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3395 .start_ap
= ieee80211_start_ap
,
3396 .change_beacon
= ieee80211_change_beacon
,
3397 .stop_ap
= ieee80211_stop_ap
,
3398 .add_station
= ieee80211_add_station
,
3399 .del_station
= ieee80211_del_station
,
3400 .change_station
= ieee80211_change_station
,
3401 .get_station
= ieee80211_get_station
,
3402 .dump_station
= ieee80211_dump_station
,
3403 .dump_survey
= ieee80211_dump_survey
,
3404 #ifdef CONFIG_MAC80211_MESH
3405 .add_mpath
= ieee80211_add_mpath
,
3406 .del_mpath
= ieee80211_del_mpath
,
3407 .change_mpath
= ieee80211_change_mpath
,
3408 .get_mpath
= ieee80211_get_mpath
,
3409 .dump_mpath
= ieee80211_dump_mpath
,
3410 .get_mpp
= ieee80211_get_mpp
,
3411 .dump_mpp
= ieee80211_dump_mpp
,
3412 .update_mesh_config
= ieee80211_update_mesh_config
,
3413 .get_mesh_config
= ieee80211_get_mesh_config
,
3414 .join_mesh
= ieee80211_join_mesh
,
3415 .leave_mesh
= ieee80211_leave_mesh
,
3417 .join_ocb
= ieee80211_join_ocb
,
3418 .leave_ocb
= ieee80211_leave_ocb
,
3419 .change_bss
= ieee80211_change_bss
,
3420 .set_txq_params
= ieee80211_set_txq_params
,
3421 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3422 .suspend
= ieee80211_suspend
,
3423 .resume
= ieee80211_resume
,
3424 .scan
= ieee80211_scan
,
3425 .abort_scan
= ieee80211_abort_scan
,
3426 .sched_scan_start
= ieee80211_sched_scan_start
,
3427 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3428 .auth
= ieee80211_auth
,
3429 .assoc
= ieee80211_assoc
,
3430 .deauth
= ieee80211_deauth
,
3431 .disassoc
= ieee80211_disassoc
,
3432 .join_ibss
= ieee80211_join_ibss
,
3433 .leave_ibss
= ieee80211_leave_ibss
,
3434 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3435 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3436 .set_tx_power
= ieee80211_set_tx_power
,
3437 .get_tx_power
= ieee80211_get_tx_power
,
3438 .set_wds_peer
= ieee80211_set_wds_peer
,
3439 .rfkill_poll
= ieee80211_rfkill_poll
,
3440 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3441 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3442 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3443 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3444 .remain_on_channel
= ieee80211_remain_on_channel
,
3445 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3446 .mgmt_tx
= ieee80211_mgmt_tx
,
3447 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3448 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3449 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3450 .set_antenna
= ieee80211_set_antenna
,
3451 .get_antenna
= ieee80211_get_antenna
,
3452 .set_rekey_data
= ieee80211_set_rekey_data
,
3453 .tdls_oper
= ieee80211_tdls_oper
,
3454 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3455 .tdls_channel_switch
= ieee80211_tdls_channel_switch
,
3456 .tdls_cancel_channel_switch
= ieee80211_tdls_cancel_channel_switch
,
3457 .probe_client
= ieee80211_probe_client
,
3458 .set_noack_map
= ieee80211_set_noack_map
,
3460 .set_wakeup
= ieee80211_set_wakeup
,
3462 .get_channel
= ieee80211_cfg_get_channel
,
3463 .start_radar_detection
= ieee80211_start_radar_detection
,
3464 .channel_switch
= ieee80211_channel_switch
,
3465 .set_qos_map
= ieee80211_set_qos_map
,
3466 .set_ap_chanwidth
= ieee80211_set_ap_chanwidth
,
3467 .add_tx_ts
= ieee80211_add_tx_ts
,
3468 .del_tx_ts
= ieee80211_del_tx_ts
,