2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2015 Intel Mobile Communications GmbH
6 * Copyright (C) 2015-2017 Intel Deutschland GmbH
8 * This file is GPLv2 as found in COPYING.
11 #include <linux/ieee80211.h>
12 #include <linux/nl80211.h>
13 #include <linux/rtnetlink.h>
14 #include <linux/slab.h>
15 #include <net/net_namespace.h>
16 #include <linux/rcupdate.h>
17 #include <linux/if_ether.h>
18 #include <net/cfg80211.h>
19 #include "ieee80211_i.h"
20 #include "driver-ops.h"
25 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data
*sdata
,
26 struct vif_params
*params
)
28 bool mu_mimo_groups
= false;
29 bool mu_mimo_follow
= false;
31 if (params
->vht_mumimo_groups
) {
34 BUILD_BUG_ON(sizeof(membership
) != WLAN_MEMBERSHIP_LEN
);
36 memcpy(sdata
->vif
.bss_conf
.mu_group
.membership
,
37 params
->vht_mumimo_groups
, WLAN_MEMBERSHIP_LEN
);
38 memcpy(sdata
->vif
.bss_conf
.mu_group
.position
,
39 params
->vht_mumimo_groups
+ WLAN_MEMBERSHIP_LEN
,
40 WLAN_USER_POSITION_LEN
);
41 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_MU_GROUPS
);
42 /* don't care about endianness - just check for 0 */
43 memcpy(&membership
, params
->vht_mumimo_groups
,
45 mu_mimo_groups
= membership
!= 0;
48 if (params
->vht_mumimo_follow_addr
) {
50 is_valid_ether_addr(params
->vht_mumimo_follow_addr
);
51 ether_addr_copy(sdata
->u
.mntr
.mu_follow_addr
,
52 params
->vht_mumimo_follow_addr
);
55 sdata
->vif
.mu_mimo_owner
= mu_mimo_groups
|| mu_mimo_follow
;
58 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data
*sdata
,
59 struct vif_params
*params
)
61 struct ieee80211_local
*local
= sdata
->local
;
62 struct ieee80211_sub_if_data
*monitor_sdata
;
64 /* check flags first */
65 if (params
->flags
&& ieee80211_sdata_running(sdata
)) {
66 u32 mask
= MONITOR_FLAG_COOK_FRAMES
| MONITOR_FLAG_ACTIVE
;
69 * Prohibit MONITOR_FLAG_COOK_FRAMES and
70 * MONITOR_FLAG_ACTIVE to be changed while the
72 * Else we would need to add a lot of cruft
73 * to update everything:
74 * cooked_mntrs, monitor and all fif_* counters
75 * reconfigure hardware
77 if ((params
->flags
& mask
) != (sdata
->u
.mntr
.flags
& mask
))
81 /* also validate MU-MIMO change */
82 monitor_sdata
= rtnl_dereference(local
->monitor_sdata
);
85 (params
->vht_mumimo_groups
|| params
->vht_mumimo_follow_addr
))
88 /* apply all changes now - no failures allowed */
91 ieee80211_set_mu_mimo_follow(monitor_sdata
, params
);
94 if (ieee80211_sdata_running(sdata
)) {
95 ieee80211_adjust_monitor_flags(sdata
, -1);
96 sdata
->u
.mntr
.flags
= params
->flags
;
97 ieee80211_adjust_monitor_flags(sdata
, 1);
99 ieee80211_configure_filter(local
);
102 * Because the interface is down, ieee80211_do_stop
103 * and ieee80211_do_open take care of "everything"
104 * mentioned in the comment above.
106 sdata
->u
.mntr
.flags
= params
->flags
;
113 static struct wireless_dev
*ieee80211_add_iface(struct wiphy
*wiphy
,
115 unsigned char name_assign_type
,
116 enum nl80211_iftype type
,
117 struct vif_params
*params
)
119 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
120 struct wireless_dev
*wdev
;
121 struct ieee80211_sub_if_data
*sdata
;
124 err
= ieee80211_if_add(local
, name
, name_assign_type
, &wdev
, type
, params
);
128 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
130 if (type
== NL80211_IFTYPE_MONITOR
) {
131 err
= ieee80211_set_mon_options(sdata
, params
);
133 ieee80211_if_remove(sdata
);
141 static int ieee80211_del_iface(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
143 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev
));
148 static int ieee80211_change_iface(struct wiphy
*wiphy
,
149 struct net_device
*dev
,
150 enum nl80211_iftype type
,
151 struct vif_params
*params
)
153 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
156 ret
= ieee80211_if_change_type(sdata
, type
);
160 if (type
== NL80211_IFTYPE_AP_VLAN
&&
161 params
&& params
->use_4addr
== 0) {
162 RCU_INIT_POINTER(sdata
->u
.vlan
.sta
, NULL
);
163 ieee80211_check_fast_rx_iface(sdata
);
164 } else if (type
== NL80211_IFTYPE_STATION
&&
165 params
&& params
->use_4addr
>= 0) {
166 sdata
->u
.mgd
.use_4addr
= params
->use_4addr
;
169 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
170 ret
= ieee80211_set_mon_options(sdata
, params
);
178 static int ieee80211_start_p2p_device(struct wiphy
*wiphy
,
179 struct wireless_dev
*wdev
)
181 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
184 mutex_lock(&sdata
->local
->chanctx_mtx
);
185 ret
= ieee80211_check_combinations(sdata
, NULL
, 0, 0);
186 mutex_unlock(&sdata
->local
->chanctx_mtx
);
190 return ieee80211_do_open(wdev
, true);
193 static void ieee80211_stop_p2p_device(struct wiphy
*wiphy
,
194 struct wireless_dev
*wdev
)
196 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev
));
199 static int ieee80211_start_nan(struct wiphy
*wiphy
,
200 struct wireless_dev
*wdev
,
201 struct cfg80211_nan_conf
*conf
)
203 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
206 mutex_lock(&sdata
->local
->chanctx_mtx
);
207 ret
= ieee80211_check_combinations(sdata
, NULL
, 0, 0);
208 mutex_unlock(&sdata
->local
->chanctx_mtx
);
212 ret
= ieee80211_do_open(wdev
, true);
216 ret
= drv_start_nan(sdata
->local
, sdata
, conf
);
218 ieee80211_sdata_stop(sdata
);
220 sdata
->u
.nan
.conf
= *conf
;
225 static void ieee80211_stop_nan(struct wiphy
*wiphy
,
226 struct wireless_dev
*wdev
)
228 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
230 drv_stop_nan(sdata
->local
, sdata
);
231 ieee80211_sdata_stop(sdata
);
234 static int ieee80211_nan_change_conf(struct wiphy
*wiphy
,
235 struct wireless_dev
*wdev
,
236 struct cfg80211_nan_conf
*conf
,
239 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
240 struct cfg80211_nan_conf new_conf
;
243 if (sdata
->vif
.type
!= NL80211_IFTYPE_NAN
)
246 if (!ieee80211_sdata_running(sdata
))
249 new_conf
= sdata
->u
.nan
.conf
;
251 if (changes
& CFG80211_NAN_CONF_CHANGED_PREF
)
252 new_conf
.master_pref
= conf
->master_pref
;
254 if (changes
& CFG80211_NAN_CONF_CHANGED_BANDS
)
255 new_conf
.bands
= conf
->bands
;
257 ret
= drv_nan_change_conf(sdata
->local
, sdata
, &new_conf
, changes
);
259 sdata
->u
.nan
.conf
= new_conf
;
264 static int ieee80211_add_nan_func(struct wiphy
*wiphy
,
265 struct wireless_dev
*wdev
,
266 struct cfg80211_nan_func
*nan_func
)
268 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
271 if (sdata
->vif
.type
!= NL80211_IFTYPE_NAN
)
274 if (!ieee80211_sdata_running(sdata
))
277 spin_lock_bh(&sdata
->u
.nan
.func_lock
);
279 ret
= idr_alloc(&sdata
->u
.nan
.function_inst_ids
,
280 nan_func
, 1, sdata
->local
->hw
.max_nan_de_entries
+ 1,
282 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
287 nan_func
->instance_id
= ret
;
289 WARN_ON(nan_func
->instance_id
== 0);
291 ret
= drv_add_nan_func(sdata
->local
, sdata
, nan_func
);
293 spin_lock_bh(&sdata
->u
.nan
.func_lock
);
294 idr_remove(&sdata
->u
.nan
.function_inst_ids
,
295 nan_func
->instance_id
);
296 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
302 static struct cfg80211_nan_func
*
303 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data
*sdata
,
306 struct cfg80211_nan_func
*func
;
309 lockdep_assert_held(&sdata
->u
.nan
.func_lock
);
311 idr_for_each_entry(&sdata
->u
.nan
.function_inst_ids
, func
, id
) {
312 if (func
->cookie
== cookie
)
319 static void ieee80211_del_nan_func(struct wiphy
*wiphy
,
320 struct wireless_dev
*wdev
, u64 cookie
)
322 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
323 struct cfg80211_nan_func
*func
;
326 if (sdata
->vif
.type
!= NL80211_IFTYPE_NAN
||
327 !ieee80211_sdata_running(sdata
))
330 spin_lock_bh(&sdata
->u
.nan
.func_lock
);
332 func
= ieee80211_find_nan_func_by_cookie(sdata
, cookie
);
334 instance_id
= func
->instance_id
;
336 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
339 drv_del_nan_func(sdata
->local
, sdata
, instance_id
);
342 static int ieee80211_set_noack_map(struct wiphy
*wiphy
,
343 struct net_device
*dev
,
346 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
348 sdata
->noack_map
= noack_map
;
350 ieee80211_check_fast_xmit_iface(sdata
);
355 static int ieee80211_add_key(struct wiphy
*wiphy
, struct net_device
*dev
,
356 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
357 struct key_params
*params
)
359 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
360 struct ieee80211_local
*local
= sdata
->local
;
361 struct sta_info
*sta
= NULL
;
362 const struct ieee80211_cipher_scheme
*cs
= NULL
;
363 struct ieee80211_key
*key
;
366 if (!ieee80211_sdata_running(sdata
))
369 /* reject WEP and TKIP keys if WEP failed to initialize */
370 switch (params
->cipher
) {
371 case WLAN_CIPHER_SUITE_WEP40
:
372 case WLAN_CIPHER_SUITE_TKIP
:
373 case WLAN_CIPHER_SUITE_WEP104
:
374 if (IS_ERR(local
->wep_tx_tfm
))
377 case WLAN_CIPHER_SUITE_CCMP
:
378 case WLAN_CIPHER_SUITE_CCMP_256
:
379 case WLAN_CIPHER_SUITE_AES_CMAC
:
380 case WLAN_CIPHER_SUITE_BIP_CMAC_256
:
381 case WLAN_CIPHER_SUITE_BIP_GMAC_128
:
382 case WLAN_CIPHER_SUITE_BIP_GMAC_256
:
383 case WLAN_CIPHER_SUITE_GCMP
:
384 case WLAN_CIPHER_SUITE_GCMP_256
:
387 cs
= ieee80211_cs_get(local
, params
->cipher
, sdata
->vif
.type
);
391 key
= ieee80211_key_alloc(params
->cipher
, key_idx
, params
->key_len
,
392 params
->key
, params
->seq_len
, params
->seq
,
398 key
->conf
.flags
|= IEEE80211_KEY_FLAG_PAIRWISE
;
400 mutex_lock(&local
->sta_mtx
);
403 sta
= sta_info_get_bss(sdata
, mac_addr
);
405 * The ASSOC test makes sure the driver is ready to
406 * receive the key. When wpa_supplicant has roamed
407 * using FT, it attempts to set the key before
408 * association has completed, this rejects that attempt
409 * so it will set the key again after association.
411 * TODO: accept the key if we have a station entry and
412 * add it to the device after the station.
414 if (!sta
|| !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
415 ieee80211_key_free_unused(key
);
421 switch (sdata
->vif
.type
) {
422 case NL80211_IFTYPE_STATION
:
423 if (sdata
->u
.mgd
.mfp
!= IEEE80211_MFP_DISABLED
)
424 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
426 case NL80211_IFTYPE_AP
:
427 case NL80211_IFTYPE_AP_VLAN
:
428 /* Keys without a station are used for TX only */
429 if (sta
&& test_sta_flag(sta
, WLAN_STA_MFP
))
430 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
432 case NL80211_IFTYPE_ADHOC
:
435 case NL80211_IFTYPE_MESH_POINT
:
436 #ifdef CONFIG_MAC80211_MESH
437 if (sdata
->u
.mesh
.security
!= IEEE80211_MESH_SEC_NONE
)
438 key
->conf
.flags
|= IEEE80211_KEY_FLAG_RX_MGMT
;
441 case NL80211_IFTYPE_WDS
:
442 case NL80211_IFTYPE_MONITOR
:
443 case NL80211_IFTYPE_P2P_DEVICE
:
444 case NL80211_IFTYPE_NAN
:
445 case NL80211_IFTYPE_UNSPECIFIED
:
446 case NUM_NL80211_IFTYPES
:
447 case NL80211_IFTYPE_P2P_CLIENT
:
448 case NL80211_IFTYPE_P2P_GO
:
449 case NL80211_IFTYPE_OCB
:
450 /* shouldn't happen */
456 sta
->cipher_scheme
= cs
;
458 err
= ieee80211_key_link(key
, sdata
, sta
);
461 mutex_unlock(&local
->sta_mtx
);
466 static int ieee80211_del_key(struct wiphy
*wiphy
, struct net_device
*dev
,
467 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
469 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
470 struct ieee80211_local
*local
= sdata
->local
;
471 struct sta_info
*sta
;
472 struct ieee80211_key
*key
= NULL
;
475 mutex_lock(&local
->sta_mtx
);
476 mutex_lock(&local
->key_mtx
);
481 sta
= sta_info_get_bss(sdata
, mac_addr
);
486 key
= key_mtx_dereference(local
, sta
->ptk
[key_idx
]);
488 key
= key_mtx_dereference(local
, sta
->gtk
[key_idx
]);
490 key
= key_mtx_dereference(local
, sdata
->keys
[key_idx
]);
497 ieee80211_key_free(key
, sdata
->vif
.type
== NL80211_IFTYPE_STATION
);
501 mutex_unlock(&local
->key_mtx
);
502 mutex_unlock(&local
->sta_mtx
);
507 static int ieee80211_get_key(struct wiphy
*wiphy
, struct net_device
*dev
,
508 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
510 void (*callback
)(void *cookie
,
511 struct key_params
*params
))
513 struct ieee80211_sub_if_data
*sdata
;
514 struct sta_info
*sta
= NULL
;
516 struct key_params params
;
517 struct ieee80211_key
*key
= NULL
;
522 struct ieee80211_key_seq kseq
= {};
524 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
529 sta
= sta_info_get_bss(sdata
, mac_addr
);
533 if (pairwise
&& key_idx
< NUM_DEFAULT_KEYS
)
534 key
= rcu_dereference(sta
->ptk
[key_idx
]);
535 else if (!pairwise
&&
536 key_idx
< NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
)
537 key
= rcu_dereference(sta
->gtk
[key_idx
]);
539 key
= rcu_dereference(sdata
->keys
[key_idx
]);
544 memset(¶ms
, 0, sizeof(params
));
546 params
.cipher
= key
->conf
.cipher
;
548 switch (key
->conf
.cipher
) {
549 case WLAN_CIPHER_SUITE_TKIP
:
550 pn64
= atomic64_read(&key
->conf
.tx_pn
);
551 iv32
= TKIP_PN_TO_IV32(pn64
);
552 iv16
= TKIP_PN_TO_IV16(pn64
);
554 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
&&
555 !(key
->conf
.flags
& IEEE80211_KEY_FLAG_GENERATE_IV
)) {
556 drv_get_key_seq(sdata
->local
, key
, &kseq
);
557 iv32
= kseq
.tkip
.iv32
;
558 iv16
= kseq
.tkip
.iv16
;
561 seq
[0] = iv16
& 0xff;
562 seq
[1] = (iv16
>> 8) & 0xff;
563 seq
[2] = iv32
& 0xff;
564 seq
[3] = (iv32
>> 8) & 0xff;
565 seq
[4] = (iv32
>> 16) & 0xff;
566 seq
[5] = (iv32
>> 24) & 0xff;
570 case WLAN_CIPHER_SUITE_CCMP
:
571 case WLAN_CIPHER_SUITE_CCMP_256
:
572 case WLAN_CIPHER_SUITE_AES_CMAC
:
573 case WLAN_CIPHER_SUITE_BIP_CMAC_256
:
574 BUILD_BUG_ON(offsetof(typeof(kseq
), ccmp
) !=
575 offsetof(typeof(kseq
), aes_cmac
));
576 case WLAN_CIPHER_SUITE_BIP_GMAC_128
:
577 case WLAN_CIPHER_SUITE_BIP_GMAC_256
:
578 BUILD_BUG_ON(offsetof(typeof(kseq
), ccmp
) !=
579 offsetof(typeof(kseq
), aes_gmac
));
580 case WLAN_CIPHER_SUITE_GCMP
:
581 case WLAN_CIPHER_SUITE_GCMP_256
:
582 BUILD_BUG_ON(offsetof(typeof(kseq
), ccmp
) !=
583 offsetof(typeof(kseq
), gcmp
));
585 if (key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
&&
586 !(key
->conf
.flags
& IEEE80211_KEY_FLAG_GENERATE_IV
)) {
587 drv_get_key_seq(sdata
->local
, key
, &kseq
);
588 memcpy(seq
, kseq
.ccmp
.pn
, 6);
590 pn64
= atomic64_read(&key
->conf
.tx_pn
);
602 if (!(key
->flags
& KEY_FLAG_UPLOADED_TO_HARDWARE
))
604 if (WARN_ON(key
->conf
.flags
& IEEE80211_KEY_FLAG_GENERATE_IV
))
606 drv_get_key_seq(sdata
->local
, key
, &kseq
);
607 params
.seq
= kseq
.hw
.seq
;
608 params
.seq_len
= kseq
.hw
.seq_len
;
612 params
.key
= key
->conf
.key
;
613 params
.key_len
= key
->conf
.keylen
;
615 callback(cookie
, ¶ms
);
623 static int ieee80211_config_default_key(struct wiphy
*wiphy
,
624 struct net_device
*dev
,
625 u8 key_idx
, bool uni
,
628 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
630 ieee80211_set_default_key(sdata
, key_idx
, uni
, multi
);
635 static int ieee80211_config_default_mgmt_key(struct wiphy
*wiphy
,
636 struct net_device
*dev
,
639 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
641 ieee80211_set_default_mgmt_key(sdata
, key_idx
);
646 void sta_set_rate_info_tx(struct sta_info
*sta
,
647 const struct ieee80211_tx_rate
*rate
,
648 struct rate_info
*rinfo
)
651 if (rate
->flags
& IEEE80211_TX_RC_MCS
) {
652 rinfo
->flags
|= RATE_INFO_FLAGS_MCS
;
653 rinfo
->mcs
= rate
->idx
;
654 } else if (rate
->flags
& IEEE80211_TX_RC_VHT_MCS
) {
655 rinfo
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
656 rinfo
->mcs
= ieee80211_rate_get_vht_mcs(rate
);
657 rinfo
->nss
= ieee80211_rate_get_vht_nss(rate
);
659 struct ieee80211_supported_band
*sband
;
660 int shift
= ieee80211_vif_get_shift(&sta
->sdata
->vif
);
663 sband
= ieee80211_get_sband(sta
->sdata
);
665 brate
= sband
->bitrates
[rate
->idx
].bitrate
;
666 rinfo
->legacy
= DIV_ROUND_UP(brate
, 1 << shift
);
669 if (rate
->flags
& IEEE80211_TX_RC_40_MHZ_WIDTH
)
670 rinfo
->bw
= RATE_INFO_BW_40
;
671 else if (rate
->flags
& IEEE80211_TX_RC_80_MHZ_WIDTH
)
672 rinfo
->bw
= RATE_INFO_BW_80
;
673 else if (rate
->flags
& IEEE80211_TX_RC_160_MHZ_WIDTH
)
674 rinfo
->bw
= RATE_INFO_BW_160
;
676 rinfo
->bw
= RATE_INFO_BW_20
;
677 if (rate
->flags
& IEEE80211_TX_RC_SHORT_GI
)
678 rinfo
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
681 static int ieee80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
682 int idx
, u8
*mac
, struct station_info
*sinfo
)
684 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
685 struct ieee80211_local
*local
= sdata
->local
;
686 struct sta_info
*sta
;
689 mutex_lock(&local
->sta_mtx
);
691 sta
= sta_info_get_by_idx(sdata
, idx
);
694 memcpy(mac
, sta
->sta
.addr
, ETH_ALEN
);
695 sta_set_sinfo(sta
, sinfo
);
698 mutex_unlock(&local
->sta_mtx
);
703 static int ieee80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
704 int idx
, struct survey_info
*survey
)
706 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
708 return drv_get_survey(local
, idx
, survey
);
711 static int ieee80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
712 const u8
*mac
, struct station_info
*sinfo
)
714 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
715 struct ieee80211_local
*local
= sdata
->local
;
716 struct sta_info
*sta
;
719 mutex_lock(&local
->sta_mtx
);
721 sta
= sta_info_get_bss(sdata
, mac
);
724 sta_set_sinfo(sta
, sinfo
);
727 mutex_unlock(&local
->sta_mtx
);
732 static int ieee80211_set_monitor_channel(struct wiphy
*wiphy
,
733 struct cfg80211_chan_def
*chandef
)
735 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
736 struct ieee80211_sub_if_data
*sdata
;
739 if (cfg80211_chandef_identical(&local
->monitor_chandef
, chandef
))
742 mutex_lock(&local
->mtx
);
743 if (local
->use_chanctx
) {
744 sdata
= rtnl_dereference(local
->monitor_sdata
);
746 ieee80211_vif_release_channel(sdata
);
747 ret
= ieee80211_vif_use_channel(sdata
, chandef
,
748 IEEE80211_CHANCTX_EXCLUSIVE
);
750 } else if (local
->open_count
== local
->monitors
) {
751 local
->_oper_chandef
= *chandef
;
752 ieee80211_hw_config(local
, 0);
756 local
->monitor_chandef
= *chandef
;
757 mutex_unlock(&local
->mtx
);
762 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data
*sdata
,
763 const u8
*resp
, size_t resp_len
,
764 const struct ieee80211_csa_settings
*csa
)
766 struct probe_resp
*new, *old
;
768 if (!resp
|| !resp_len
)
771 old
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
773 new = kzalloc(sizeof(struct probe_resp
) + resp_len
, GFP_KERNEL
);
778 memcpy(new->data
, resp
, resp_len
);
781 memcpy(new->csa_counter_offsets
, csa
->counter_offsets_presp
,
782 csa
->n_counter_offsets_presp
*
783 sizeof(new->csa_counter_offsets
[0]));
785 rcu_assign_pointer(sdata
->u
.ap
.probe_resp
, new);
787 kfree_rcu(old
, rcu_head
);
792 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data
*sdata
,
793 struct cfg80211_beacon_data
*params
,
794 const struct ieee80211_csa_settings
*csa
)
796 struct beacon_data
*new, *old
;
797 int new_head_len
, new_tail_len
;
799 u32 changed
= BSS_CHANGED_BEACON
;
801 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
804 /* Need to have a beacon head if we don't have one yet */
805 if (!params
->head
&& !old
)
808 /* new or old head? */
810 new_head_len
= params
->head_len
;
812 new_head_len
= old
->head_len
;
814 /* new or old tail? */
815 if (params
->tail
|| !old
)
816 /* params->tail_len will be zero for !params->tail */
817 new_tail_len
= params
->tail_len
;
819 new_tail_len
= old
->tail_len
;
821 size
= sizeof(*new) + new_head_len
+ new_tail_len
;
823 new = kzalloc(size
, GFP_KERNEL
);
827 /* start filling the new info now */
830 * pointers go into the block we allocated,
831 * memory is | beacon_data | head | tail |
833 new->head
= ((u8
*) new) + sizeof(*new);
834 new->tail
= new->head
+ new_head_len
;
835 new->head_len
= new_head_len
;
836 new->tail_len
= new_tail_len
;
839 new->csa_current_counter
= csa
->count
;
840 memcpy(new->csa_counter_offsets
, csa
->counter_offsets_beacon
,
841 csa
->n_counter_offsets_beacon
*
842 sizeof(new->csa_counter_offsets
[0]));
847 memcpy(new->head
, params
->head
, new_head_len
);
849 memcpy(new->head
, old
->head
, new_head_len
);
851 /* copy in optional tail */
853 memcpy(new->tail
, params
->tail
, new_tail_len
);
856 memcpy(new->tail
, old
->tail
, new_tail_len
);
858 err
= ieee80211_set_probe_resp(sdata
, params
->probe_resp
,
859 params
->probe_resp_len
, csa
);
863 changed
|= BSS_CHANGED_AP_PROBE_RESP
;
865 rcu_assign_pointer(sdata
->u
.ap
.beacon
, new);
868 kfree_rcu(old
, rcu_head
);
873 static int ieee80211_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
874 struct cfg80211_ap_settings
*params
)
876 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
877 struct ieee80211_local
*local
= sdata
->local
;
878 struct beacon_data
*old
;
879 struct ieee80211_sub_if_data
*vlan
;
880 u32 changed
= BSS_CHANGED_BEACON_INT
|
881 BSS_CHANGED_BEACON_ENABLED
|
889 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
893 switch (params
->smps_mode
) {
894 case NL80211_SMPS_OFF
:
895 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
897 case NL80211_SMPS_STATIC
:
898 sdata
->smps_mode
= IEEE80211_SMPS_STATIC
;
900 case NL80211_SMPS_DYNAMIC
:
901 sdata
->smps_mode
= IEEE80211_SMPS_DYNAMIC
;
906 sdata
->u
.ap
.req_smps
= sdata
->smps_mode
;
908 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
910 prev_beacon_int
= sdata
->vif
.bss_conf
.beacon_int
;
911 sdata
->vif
.bss_conf
.beacon_int
= params
->beacon_interval
;
913 mutex_lock(&local
->mtx
);
914 err
= ieee80211_vif_use_channel(sdata
, ¶ms
->chandef
,
915 IEEE80211_CHANCTX_SHARED
);
917 ieee80211_vif_copy_chanctx_to_vlans(sdata
, false);
918 mutex_unlock(&local
->mtx
);
920 sdata
->vif
.bss_conf
.beacon_int
= prev_beacon_int
;
925 * Apply control port protocol, this allows us to
926 * not encrypt dynamic WEP control frames.
928 sdata
->control_port_protocol
= params
->crypto
.control_port_ethertype
;
929 sdata
->control_port_no_encrypt
= params
->crypto
.control_port_no_encrypt
;
930 sdata
->encrypt_headroom
= ieee80211_cs_headroom(sdata
->local
,
934 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
) {
935 vlan
->control_port_protocol
=
936 params
->crypto
.control_port_ethertype
;
937 vlan
->control_port_no_encrypt
=
938 params
->crypto
.control_port_no_encrypt
;
939 vlan
->encrypt_headroom
=
940 ieee80211_cs_headroom(sdata
->local
,
945 sdata
->vif
.bss_conf
.dtim_period
= params
->dtim_period
;
946 sdata
->vif
.bss_conf
.enable_beacon
= true;
947 sdata
->vif
.bss_conf
.allow_p2p_go_ps
= sdata
->vif
.p2p
;
949 sdata
->vif
.bss_conf
.ssid_len
= params
->ssid_len
;
950 if (params
->ssid_len
)
951 memcpy(sdata
->vif
.bss_conf
.ssid
, params
->ssid
,
953 sdata
->vif
.bss_conf
.hidden_ssid
=
954 (params
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
);
956 memset(&sdata
->vif
.bss_conf
.p2p_noa_attr
, 0,
957 sizeof(sdata
->vif
.bss_conf
.p2p_noa_attr
));
958 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
=
959 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
960 if (params
->p2p_opp_ps
)
961 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
962 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
964 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon
, NULL
);
966 ieee80211_vif_release_channel(sdata
);
971 err
= drv_start_ap(sdata
->local
, sdata
);
973 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
976 kfree_rcu(old
, rcu_head
);
977 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
978 ieee80211_vif_release_channel(sdata
);
982 ieee80211_recalc_dtim(local
, sdata
);
983 ieee80211_bss_info_change_notify(sdata
, changed
);
985 netif_carrier_on(dev
);
986 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
987 netif_carrier_on(vlan
->dev
);
992 static int ieee80211_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
993 struct cfg80211_beacon_data
*params
)
995 struct ieee80211_sub_if_data
*sdata
;
996 struct beacon_data
*old
;
999 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1000 sdata_assert_lock(sdata
);
1002 /* don't allow changing the beacon while CSA is in place - offset
1003 * of channel switch counter may change
1005 if (sdata
->vif
.csa_active
)
1008 old
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1012 err
= ieee80211_assign_beacon(sdata
, params
, NULL
);
1015 ieee80211_bss_info_change_notify(sdata
, err
);
1019 static int ieee80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1021 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1022 struct ieee80211_sub_if_data
*vlan
;
1023 struct ieee80211_local
*local
= sdata
->local
;
1024 struct beacon_data
*old_beacon
;
1025 struct probe_resp
*old_probe_resp
;
1026 struct cfg80211_chan_def chandef
;
1028 sdata_assert_lock(sdata
);
1030 old_beacon
= sdata_dereference(sdata
->u
.ap
.beacon
, sdata
);
1033 old_probe_resp
= sdata_dereference(sdata
->u
.ap
.probe_resp
, sdata
);
1035 /* abort any running channel switch */
1036 mutex_lock(&local
->mtx
);
1037 sdata
->vif
.csa_active
= false;
1038 if (sdata
->csa_block_tx
) {
1039 ieee80211_wake_vif_queues(local
, sdata
,
1040 IEEE80211_QUEUE_STOP_REASON_CSA
);
1041 sdata
->csa_block_tx
= false;
1044 mutex_unlock(&local
->mtx
);
1046 kfree(sdata
->u
.ap
.next_beacon
);
1047 sdata
->u
.ap
.next_beacon
= NULL
;
1049 /* turn off carrier for this interface and dependent VLANs */
1050 list_for_each_entry(vlan
, &sdata
->u
.ap
.vlans
, u
.vlan
.list
)
1051 netif_carrier_off(vlan
->dev
);
1052 netif_carrier_off(dev
);
1054 /* remove beacon and probe response */
1055 RCU_INIT_POINTER(sdata
->u
.ap
.beacon
, NULL
);
1056 RCU_INIT_POINTER(sdata
->u
.ap
.probe_resp
, NULL
);
1057 kfree_rcu(old_beacon
, rcu_head
);
1059 kfree_rcu(old_probe_resp
, rcu_head
);
1060 sdata
->u
.ap
.driver_smps_mode
= IEEE80211_SMPS_OFF
;
1062 __sta_info_flush(sdata
, true);
1063 ieee80211_free_keys(sdata
, true);
1065 sdata
->vif
.bss_conf
.enable_beacon
= false;
1066 sdata
->vif
.bss_conf
.ssid_len
= 0;
1067 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
, &sdata
->state
);
1068 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_BEACON_ENABLED
);
1070 if (sdata
->wdev
.cac_started
) {
1071 chandef
= sdata
->vif
.bss_conf
.chandef
;
1072 cancel_delayed_work_sync(&sdata
->dfs_cac_timer_work
);
1073 cfg80211_cac_event(sdata
->dev
, &chandef
,
1074 NL80211_RADAR_CAC_ABORTED
,
1078 drv_stop_ap(sdata
->local
, sdata
);
1080 /* free all potentially still buffered bcast frames */
1081 local
->total_ps_buffered
-= skb_queue_len(&sdata
->u
.ap
.ps
.bc_buf
);
1082 ieee80211_purge_tx_queue(&local
->hw
, &sdata
->u
.ap
.ps
.bc_buf
);
1084 mutex_lock(&local
->mtx
);
1085 ieee80211_vif_copy_chanctx_to_vlans(sdata
, true);
1086 ieee80211_vif_release_channel(sdata
);
1087 mutex_unlock(&local
->mtx
);
1092 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1093 struct iapp_layer2_update
{
1094 u8 da
[ETH_ALEN
]; /* broadcast */
1095 u8 sa
[ETH_ALEN
]; /* STA addr */
1103 static void ieee80211_send_layer2_update(struct sta_info
*sta
)
1105 struct iapp_layer2_update
*msg
;
1106 struct sk_buff
*skb
;
1108 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1111 skb
= dev_alloc_skb(sizeof(*msg
));
1114 msg
= skb_put(skb
, sizeof(*msg
));
1116 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1117 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1119 eth_broadcast_addr(msg
->da
);
1120 memcpy(msg
->sa
, sta
->sta
.addr
, ETH_ALEN
);
1121 msg
->len
= htons(6);
1123 msg
->ssap
= 0x01; /* NULL LSAP, CR Bit: Response */
1124 msg
->control
= 0xaf; /* XID response lsb.1111F101.
1125 * F=0 (no poll command; unsolicited frame) */
1126 msg
->xid_info
[0] = 0x81; /* XID format identifier */
1127 msg
->xid_info
[1] = 1; /* LLC types/classes: Type 1 LLC */
1128 msg
->xid_info
[2] = 0; /* XID sender's receive window size (RW) */
1130 skb
->dev
= sta
->sdata
->dev
;
1131 skb
->protocol
= eth_type_trans(skb
, sta
->sdata
->dev
);
1132 memset(skb
->cb
, 0, sizeof(skb
->cb
));
1136 static int sta_apply_auth_flags(struct ieee80211_local
*local
,
1137 struct sta_info
*sta
,
1142 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1143 set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1144 !test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1145 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1150 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1151 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1152 !test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1154 * When peer becomes associated, init rate control as
1155 * well. Some drivers require rate control initialized
1156 * before drv_sta_state() is called.
1158 if (!test_sta_flag(sta
, WLAN_STA_RATE_CONTROL
))
1159 rate_control_rate_init(sta
);
1161 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1166 if (mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1167 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1168 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTHORIZED
);
1169 else if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1170 ret
= sta_info_move_state(sta
, IEEE80211_STA_ASSOC
);
1177 if (mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
) &&
1178 !(set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
1179 test_sta_flag(sta
, WLAN_STA_ASSOC
)) {
1180 ret
= sta_info_move_state(sta
, IEEE80211_STA_AUTH
);
1185 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
) &&
1186 !(set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
)) &&
1187 test_sta_flag(sta
, WLAN_STA_AUTH
)) {
1188 ret
= sta_info_move_state(sta
, IEEE80211_STA_NONE
);
1196 static void sta_apply_mesh_params(struct ieee80211_local
*local
,
1197 struct sta_info
*sta
,
1198 struct station_parameters
*params
)
1200 #ifdef CONFIG_MAC80211_MESH
1201 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1204 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
) {
1205 switch (params
->plink_state
) {
1206 case NL80211_PLINK_ESTAB
:
1207 if (sta
->mesh
->plink_state
!= NL80211_PLINK_ESTAB
)
1208 changed
= mesh_plink_inc_estab_count(sdata
);
1209 sta
->mesh
->plink_state
= params
->plink_state
;
1210 sta
->mesh
->aid
= params
->peer_aid
;
1212 ieee80211_mps_sta_status_update(sta
);
1213 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1214 sdata
->u
.mesh
.mshcfg
.power_mode
);
1216 case NL80211_PLINK_LISTEN
:
1217 case NL80211_PLINK_BLOCKED
:
1218 case NL80211_PLINK_OPN_SNT
:
1219 case NL80211_PLINK_OPN_RCVD
:
1220 case NL80211_PLINK_CNF_RCVD
:
1221 case NL80211_PLINK_HOLDING
:
1222 if (sta
->mesh
->plink_state
== NL80211_PLINK_ESTAB
)
1223 changed
= mesh_plink_dec_estab_count(sdata
);
1224 sta
->mesh
->plink_state
= params
->plink_state
;
1226 ieee80211_mps_sta_status_update(sta
);
1227 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1228 NL80211_MESH_POWER_UNKNOWN
);
1236 switch (params
->plink_action
) {
1237 case NL80211_PLINK_ACTION_NO_ACTION
:
1240 case NL80211_PLINK_ACTION_OPEN
:
1241 changed
|= mesh_plink_open(sta
);
1243 case NL80211_PLINK_ACTION_BLOCK
:
1244 changed
|= mesh_plink_block(sta
);
1248 if (params
->local_pm
)
1249 changed
|= ieee80211_mps_set_sta_local_pm(sta
,
1252 ieee80211_mbss_info_change_notify(sdata
, changed
);
1256 static int sta_apply_parameters(struct ieee80211_local
*local
,
1257 struct sta_info
*sta
,
1258 struct station_parameters
*params
)
1261 struct ieee80211_supported_band
*sband
;
1262 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
1265 sband
= ieee80211_get_sband(sdata
);
1269 mask
= params
->sta_flags_mask
;
1270 set
= params
->sta_flags_set
;
1272 if (ieee80211_vif_is_mesh(&sdata
->vif
)) {
1274 * In mesh mode, ASSOCIATED isn't part of the nl80211
1275 * API but must follow AUTHENTICATED for driver state.
1277 if (mask
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1278 mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1279 if (set
& BIT(NL80211_STA_FLAG_AUTHENTICATED
))
1280 set
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
1281 } else if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1283 * TDLS -- everything follows authorized, but
1284 * only becoming authorized is possible, not
1287 if (set
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1288 set
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1289 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1290 mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
1291 BIT(NL80211_STA_FLAG_ASSOCIATED
);
1295 if (mask
& BIT(NL80211_STA_FLAG_WME
) &&
1296 local
->hw
.queues
>= IEEE80211_NUM_ACS
)
1297 sta
->sta
.wme
= set
& BIT(NL80211_STA_FLAG_WME
);
1299 /* auth flags will be set later for TDLS,
1300 * and for unassociated stations that move to assocaited */
1301 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1302 !((mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) &&
1303 (set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)))) {
1304 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1309 if (mask
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
)) {
1310 if (set
& BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
))
1311 set_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1313 clear_sta_flag(sta
, WLAN_STA_SHORT_PREAMBLE
);
1316 if (mask
& BIT(NL80211_STA_FLAG_MFP
)) {
1317 sta
->sta
.mfp
= !!(set
& BIT(NL80211_STA_FLAG_MFP
));
1318 if (set
& BIT(NL80211_STA_FLAG_MFP
))
1319 set_sta_flag(sta
, WLAN_STA_MFP
);
1321 clear_sta_flag(sta
, WLAN_STA_MFP
);
1324 if (mask
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) {
1325 if (set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1326 set_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1328 clear_sta_flag(sta
, WLAN_STA_TDLS_PEER
);
1331 /* mark TDLS channel switch support, if the AP allows it */
1332 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1333 !sdata
->u
.mgd
.tdls_chan_switch_prohibited
&&
1334 params
->ext_capab_len
>= 4 &&
1335 params
->ext_capab
[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH
)
1336 set_sta_flag(sta
, WLAN_STA_TDLS_CHAN_SWITCH
);
1338 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1339 !sdata
->u
.mgd
.tdls_wider_bw_prohibited
&&
1340 ieee80211_hw_check(&local
->hw
, TDLS_WIDER_BW
) &&
1341 params
->ext_capab_len
>= 8 &&
1342 params
->ext_capab
[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED
)
1343 set_sta_flag(sta
, WLAN_STA_TDLS_WIDER_BW
);
1345 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
) {
1346 sta
->sta
.uapsd_queues
= params
->uapsd_queues
;
1347 sta
->sta
.max_sp
= params
->max_sp
;
1350 /* The sender might not have sent the last bit, consider it to be 0 */
1351 if (params
->ext_capab_len
>= 8) {
1352 u8 val
= (params
->ext_capab
[7] &
1353 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB
) >> 7;
1355 /* we did get all the bits, take the MSB as well */
1356 if (params
->ext_capab_len
>= 9) {
1357 u8 val_msb
= params
->ext_capab
[8] &
1358 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB
;
1365 sta
->sta
.max_amsdu_subframes
= 32;
1368 sta
->sta
.max_amsdu_subframes
= 16;
1371 sta
->sta
.max_amsdu_subframes
= 8;
1374 sta
->sta
.max_amsdu_subframes
= 0;
1379 * cfg80211 validates this (1-2007) and allows setting the AID
1380 * only when creating a new station entry
1383 sta
->sta
.aid
= params
->aid
;
1386 * Some of the following updates would be racy if called on an
1387 * existing station, via ieee80211_change_station(). However,
1388 * all such changes are rejected by cfg80211 except for updates
1389 * changing the supported rates on an existing but not yet used
1393 if (params
->listen_interval
>= 0)
1394 sta
->listen_interval
= params
->listen_interval
;
1396 if (params
->supported_rates
) {
1397 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
1398 sband
, params
->supported_rates
,
1399 params
->supported_rates_len
,
1400 &sta
->sta
.supp_rates
[sband
->band
]);
1403 if (params
->ht_capa
)
1404 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata
, sband
,
1405 params
->ht_capa
, sta
);
1407 /* VHT can override some HT caps such as the A-MSDU max length */
1408 if (params
->vht_capa
)
1409 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata
, sband
,
1410 params
->vht_capa
, sta
);
1412 if (params
->opmode_notif_used
) {
1413 /* returned value is only needed for rc update, but the
1414 * rc isn't initialized here yet, so ignore it
1416 __ieee80211_vht_handle_opmode(sdata
, sta
, params
->opmode_notif
,
1420 if (params
->support_p2p_ps
>= 0)
1421 sta
->sta
.support_p2p_ps
= params
->support_p2p_ps
;
1423 if (ieee80211_vif_is_mesh(&sdata
->vif
))
1424 sta_apply_mesh_params(local
, sta
, params
);
1426 /* set the STA state after all sta info from usermode has been set */
1427 if (test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) ||
1428 set
& BIT(NL80211_STA_FLAG_ASSOCIATED
)) {
1429 ret
= sta_apply_auth_flags(local
, sta
, mask
, set
);
1437 static int ieee80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1439 struct station_parameters
*params
)
1441 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1442 struct sta_info
*sta
;
1443 struct ieee80211_sub_if_data
*sdata
;
1448 sdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1450 if (sdata
->vif
.type
!= NL80211_IFTYPE_AP_VLAN
&&
1451 sdata
->vif
.type
!= NL80211_IFTYPE_AP
)
1454 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1456 if (ether_addr_equal(mac
, sdata
->vif
.addr
))
1459 if (is_multicast_ether_addr(mac
))
1462 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
) &&
1463 sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1464 !sdata
->u
.mgd
.associated
)
1467 sta
= sta_info_alloc(sdata
, mac
, GFP_KERNEL
);
1471 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
1472 sta
->sta
.tdls
= true;
1474 err
= sta_apply_parameters(local
, sta
, params
);
1476 sta_info_free(local
, sta
);
1481 * for TDLS and for unassociated station, rate control should be
1482 * initialized only when rates are known and station is marked
1483 * authorized/associated
1485 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
) &&
1486 test_sta_flag(sta
, WLAN_STA_ASSOC
))
1487 rate_control_rate_init(sta
);
1489 layer2_update
= sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
||
1490 sdata
->vif
.type
== NL80211_IFTYPE_AP
;
1492 err
= sta_info_insert_rcu(sta
);
1499 ieee80211_send_layer2_update(sta
);
1506 static int ieee80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1507 struct station_del_parameters
*params
)
1509 struct ieee80211_sub_if_data
*sdata
;
1511 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1514 return sta_info_destroy_addr_bss(sdata
, params
->mac
);
1516 sta_info_flush(sdata
);
1520 static int ieee80211_change_station(struct wiphy
*wiphy
,
1521 struct net_device
*dev
, const u8
*mac
,
1522 struct station_parameters
*params
)
1524 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1525 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
1526 struct sta_info
*sta
;
1527 struct ieee80211_sub_if_data
*vlansdata
;
1528 enum cfg80211_station_type statype
;
1531 mutex_lock(&local
->sta_mtx
);
1533 sta
= sta_info_get_bss(sdata
, mac
);
1539 switch (sdata
->vif
.type
) {
1540 case NL80211_IFTYPE_MESH_POINT
:
1541 if (sdata
->u
.mesh
.user_mpm
)
1542 statype
= CFG80211_STA_MESH_PEER_USER
;
1544 statype
= CFG80211_STA_MESH_PEER_KERNEL
;
1546 case NL80211_IFTYPE_ADHOC
:
1547 statype
= CFG80211_STA_IBSS
;
1549 case NL80211_IFTYPE_STATION
:
1550 if (!test_sta_flag(sta
, WLAN_STA_TDLS_PEER
)) {
1551 statype
= CFG80211_STA_AP_STA
;
1554 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1555 statype
= CFG80211_STA_TDLS_PEER_ACTIVE
;
1557 statype
= CFG80211_STA_TDLS_PEER_SETUP
;
1559 case NL80211_IFTYPE_AP
:
1560 case NL80211_IFTYPE_AP_VLAN
:
1561 if (test_sta_flag(sta
, WLAN_STA_ASSOC
))
1562 statype
= CFG80211_STA_AP_CLIENT
;
1564 statype
= CFG80211_STA_AP_CLIENT_UNASSOC
;
1571 err
= cfg80211_check_station_change(wiphy
, params
, statype
);
1575 if (params
->vlan
&& params
->vlan
!= sta
->sdata
->dev
) {
1576 vlansdata
= IEEE80211_DEV_TO_SUB_IF(params
->vlan
);
1578 if (params
->vlan
->ieee80211_ptr
->use_4addr
) {
1579 if (vlansdata
->u
.vlan
.sta
) {
1584 rcu_assign_pointer(vlansdata
->u
.vlan
.sta
, sta
);
1585 __ieee80211_check_fast_rx_iface(vlansdata
);
1588 if (sta
->sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
&&
1589 sta
->sdata
->u
.vlan
.sta
)
1590 RCU_INIT_POINTER(sta
->sdata
->u
.vlan
.sta
, NULL
);
1592 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1593 ieee80211_vif_dec_num_mcast(sta
->sdata
);
1595 sta
->sdata
= vlansdata
;
1596 ieee80211_check_fast_xmit(sta
);
1598 if (test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
1599 ieee80211_vif_inc_num_mcast(sta
->sdata
);
1601 ieee80211_send_layer2_update(sta
);
1604 err
= sta_apply_parameters(local
, sta
, params
);
1608 mutex_unlock(&local
->sta_mtx
);
1610 if ((sdata
->vif
.type
== NL80211_IFTYPE_AP
||
1611 sdata
->vif
.type
== NL80211_IFTYPE_AP_VLAN
) &&
1612 sta
->known_smps_mode
!= sta
->sdata
->bss
->req_smps
&&
1613 test_sta_flag(sta
, WLAN_STA_AUTHORIZED
) &&
1614 sta_info_tx_streams(sta
) != 1) {
1616 "%pM just authorized and MIMO capable - update SMPS\n",
1618 ieee80211_send_smps_action(sta
->sdata
,
1619 sta
->sdata
->bss
->req_smps
,
1621 sta
->sdata
->vif
.bss_conf
.bssid
);
1624 if (sdata
->vif
.type
== NL80211_IFTYPE_STATION
&&
1625 params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)) {
1626 ieee80211_recalc_ps(local
);
1627 ieee80211_recalc_ps_vif(sdata
);
1632 mutex_unlock(&local
->sta_mtx
);
1636 #ifdef CONFIG_MAC80211_MESH
1637 static int ieee80211_add_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1638 const u8
*dst
, const u8
*next_hop
)
1640 struct ieee80211_sub_if_data
*sdata
;
1641 struct mesh_path
*mpath
;
1642 struct sta_info
*sta
;
1644 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1647 sta
= sta_info_get(sdata
, next_hop
);
1653 mpath
= mesh_path_add(sdata
, dst
);
1654 if (IS_ERR(mpath
)) {
1656 return PTR_ERR(mpath
);
1659 mesh_path_fix_nexthop(mpath
, sta
);
1665 static int ieee80211_del_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1668 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1671 return mesh_path_del(sdata
, dst
);
1673 mesh_path_flush_by_iface(sdata
);
1677 static int ieee80211_change_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1678 const u8
*dst
, const u8
*next_hop
)
1680 struct ieee80211_sub_if_data
*sdata
;
1681 struct mesh_path
*mpath
;
1682 struct sta_info
*sta
;
1684 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1688 sta
= sta_info_get(sdata
, next_hop
);
1694 mpath
= mesh_path_lookup(sdata
, dst
);
1700 mesh_path_fix_nexthop(mpath
, sta
);
1706 static void mpath_set_pinfo(struct mesh_path
*mpath
, u8
*next_hop
,
1707 struct mpath_info
*pinfo
)
1709 struct sta_info
*next_hop_sta
= rcu_dereference(mpath
->next_hop
);
1712 memcpy(next_hop
, next_hop_sta
->sta
.addr
, ETH_ALEN
);
1714 eth_zero_addr(next_hop
);
1716 memset(pinfo
, 0, sizeof(*pinfo
));
1718 pinfo
->generation
= mpath
->sdata
->u
.mesh
.mesh_paths_generation
;
1720 pinfo
->filled
= MPATH_INFO_FRAME_QLEN
|
1723 MPATH_INFO_EXPTIME
|
1724 MPATH_INFO_DISCOVERY_TIMEOUT
|
1725 MPATH_INFO_DISCOVERY_RETRIES
|
1728 pinfo
->frame_qlen
= mpath
->frame_queue
.qlen
;
1729 pinfo
->sn
= mpath
->sn
;
1730 pinfo
->metric
= mpath
->metric
;
1731 if (time_before(jiffies
, mpath
->exp_time
))
1732 pinfo
->exptime
= jiffies_to_msecs(mpath
->exp_time
- jiffies
);
1733 pinfo
->discovery_timeout
=
1734 jiffies_to_msecs(mpath
->discovery_timeout
);
1735 pinfo
->discovery_retries
= mpath
->discovery_retries
;
1736 if (mpath
->flags
& MESH_PATH_ACTIVE
)
1737 pinfo
->flags
|= NL80211_MPATH_FLAG_ACTIVE
;
1738 if (mpath
->flags
& MESH_PATH_RESOLVING
)
1739 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVING
;
1740 if (mpath
->flags
& MESH_PATH_SN_VALID
)
1741 pinfo
->flags
|= NL80211_MPATH_FLAG_SN_VALID
;
1742 if (mpath
->flags
& MESH_PATH_FIXED
)
1743 pinfo
->flags
|= NL80211_MPATH_FLAG_FIXED
;
1744 if (mpath
->flags
& MESH_PATH_RESOLVED
)
1745 pinfo
->flags
|= NL80211_MPATH_FLAG_RESOLVED
;
1748 static int ieee80211_get_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1749 u8
*dst
, u8
*next_hop
, struct mpath_info
*pinfo
)
1752 struct ieee80211_sub_if_data
*sdata
;
1753 struct mesh_path
*mpath
;
1755 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1758 mpath
= mesh_path_lookup(sdata
, dst
);
1763 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1764 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1769 static int ieee80211_dump_mpath(struct wiphy
*wiphy
, struct net_device
*dev
,
1770 int idx
, u8
*dst
, u8
*next_hop
,
1771 struct mpath_info
*pinfo
)
1773 struct ieee80211_sub_if_data
*sdata
;
1774 struct mesh_path
*mpath
;
1776 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1779 mpath
= mesh_path_lookup_by_idx(sdata
, idx
);
1784 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1785 mpath_set_pinfo(mpath
, next_hop
, pinfo
);
1790 static void mpp_set_pinfo(struct mesh_path
*mpath
, u8
*mpp
,
1791 struct mpath_info
*pinfo
)
1793 memset(pinfo
, 0, sizeof(*pinfo
));
1794 memcpy(mpp
, mpath
->mpp
, ETH_ALEN
);
1796 pinfo
->generation
= mpath
->sdata
->u
.mesh
.mpp_paths_generation
;
1799 static int ieee80211_get_mpp(struct wiphy
*wiphy
, struct net_device
*dev
,
1800 u8
*dst
, u8
*mpp
, struct mpath_info
*pinfo
)
1803 struct ieee80211_sub_if_data
*sdata
;
1804 struct mesh_path
*mpath
;
1806 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1809 mpath
= mpp_path_lookup(sdata
, dst
);
1814 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1815 mpp_set_pinfo(mpath
, mpp
, pinfo
);
1820 static int ieee80211_dump_mpp(struct wiphy
*wiphy
, struct net_device
*dev
,
1821 int idx
, u8
*dst
, u8
*mpp
,
1822 struct mpath_info
*pinfo
)
1824 struct ieee80211_sub_if_data
*sdata
;
1825 struct mesh_path
*mpath
;
1827 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1830 mpath
= mpp_path_lookup_by_idx(sdata
, idx
);
1835 memcpy(dst
, mpath
->dst
, ETH_ALEN
);
1836 mpp_set_pinfo(mpath
, mpp
, pinfo
);
1841 static int ieee80211_get_mesh_config(struct wiphy
*wiphy
,
1842 struct net_device
*dev
,
1843 struct mesh_config
*conf
)
1845 struct ieee80211_sub_if_data
*sdata
;
1846 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1848 memcpy(conf
, &(sdata
->u
.mesh
.mshcfg
), sizeof(struct mesh_config
));
1852 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm
, u32 mask
)
1854 return (mask
>> (parm
-1)) & 0x1;
1857 static int copy_mesh_setup(struct ieee80211_if_mesh
*ifmsh
,
1858 const struct mesh_setup
*setup
)
1862 struct ieee80211_sub_if_data
*sdata
= container_of(ifmsh
,
1863 struct ieee80211_sub_if_data
, u
.mesh
);
1865 /* allocate information elements */
1869 if (setup
->ie_len
) {
1870 new_ie
= kmemdup(setup
->ie
, setup
->ie_len
,
1875 ifmsh
->ie_len
= setup
->ie_len
;
1879 /* now copy the rest of the setup parameters */
1880 ifmsh
->mesh_id_len
= setup
->mesh_id_len
;
1881 memcpy(ifmsh
->mesh_id
, setup
->mesh_id
, ifmsh
->mesh_id_len
);
1882 ifmsh
->mesh_sp_id
= setup
->sync_method
;
1883 ifmsh
->mesh_pp_id
= setup
->path_sel_proto
;
1884 ifmsh
->mesh_pm_id
= setup
->path_metric
;
1885 ifmsh
->user_mpm
= setup
->user_mpm
;
1886 ifmsh
->mesh_auth_id
= setup
->auth_id
;
1887 ifmsh
->security
= IEEE80211_MESH_SEC_NONE
;
1888 ifmsh
->userspace_handles_dfs
= setup
->userspace_handles_dfs
;
1889 if (setup
->is_authenticated
)
1890 ifmsh
->security
|= IEEE80211_MESH_SEC_AUTHED
;
1891 if (setup
->is_secure
)
1892 ifmsh
->security
|= IEEE80211_MESH_SEC_SECURED
;
1894 /* mcast rate setting in Mesh Node */
1895 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, setup
->mcast_rate
,
1896 sizeof(setup
->mcast_rate
));
1897 sdata
->vif
.bss_conf
.basic_rates
= setup
->basic_rates
;
1899 sdata
->vif
.bss_conf
.beacon_int
= setup
->beacon_interval
;
1900 sdata
->vif
.bss_conf
.dtim_period
= setup
->dtim_period
;
1905 static int ieee80211_update_mesh_config(struct wiphy
*wiphy
,
1906 struct net_device
*dev
, u32 mask
,
1907 const struct mesh_config
*nconf
)
1909 struct mesh_config
*conf
;
1910 struct ieee80211_sub_if_data
*sdata
;
1911 struct ieee80211_if_mesh
*ifmsh
;
1913 sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
1914 ifmsh
= &sdata
->u
.mesh
;
1916 /* Set the config options which we are interested in setting */
1917 conf
= &(sdata
->u
.mesh
.mshcfg
);
1918 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT
, mask
))
1919 conf
->dot11MeshRetryTimeout
= nconf
->dot11MeshRetryTimeout
;
1920 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT
, mask
))
1921 conf
->dot11MeshConfirmTimeout
= nconf
->dot11MeshConfirmTimeout
;
1922 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT
, mask
))
1923 conf
->dot11MeshHoldingTimeout
= nconf
->dot11MeshHoldingTimeout
;
1924 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS
, mask
))
1925 conf
->dot11MeshMaxPeerLinks
= nconf
->dot11MeshMaxPeerLinks
;
1926 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES
, mask
))
1927 conf
->dot11MeshMaxRetries
= nconf
->dot11MeshMaxRetries
;
1928 if (_chg_mesh_attr(NL80211_MESHCONF_TTL
, mask
))
1929 conf
->dot11MeshTTL
= nconf
->dot11MeshTTL
;
1930 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL
, mask
))
1931 conf
->element_ttl
= nconf
->element_ttl
;
1932 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS
, mask
)) {
1933 if (ifmsh
->user_mpm
)
1935 conf
->auto_open_plinks
= nconf
->auto_open_plinks
;
1937 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
, mask
))
1938 conf
->dot11MeshNbrOffsetMaxNeighbor
=
1939 nconf
->dot11MeshNbrOffsetMaxNeighbor
;
1940 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
, mask
))
1941 conf
->dot11MeshHWMPmaxPREQretries
=
1942 nconf
->dot11MeshHWMPmaxPREQretries
;
1943 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME
, mask
))
1944 conf
->path_refresh_time
= nconf
->path_refresh_time
;
1945 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
, mask
))
1946 conf
->min_discovery_timeout
= nconf
->min_discovery_timeout
;
1947 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
, mask
))
1948 conf
->dot11MeshHWMPactivePathTimeout
=
1949 nconf
->dot11MeshHWMPactivePathTimeout
;
1950 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
, mask
))
1951 conf
->dot11MeshHWMPpreqMinInterval
=
1952 nconf
->dot11MeshHWMPpreqMinInterval
;
1953 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
, mask
))
1954 conf
->dot11MeshHWMPperrMinInterval
=
1955 nconf
->dot11MeshHWMPperrMinInterval
;
1956 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1958 conf
->dot11MeshHWMPnetDiameterTraversalTime
=
1959 nconf
->dot11MeshHWMPnetDiameterTraversalTime
;
1960 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE
, mask
)) {
1961 conf
->dot11MeshHWMPRootMode
= nconf
->dot11MeshHWMPRootMode
;
1962 ieee80211_mesh_root_setup(ifmsh
);
1964 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS
, mask
)) {
1965 /* our current gate announcement implementation rides on root
1966 * announcements, so require this ifmsh to also be a root node
1968 if (nconf
->dot11MeshGateAnnouncementProtocol
&&
1969 !(conf
->dot11MeshHWMPRootMode
> IEEE80211_ROOTMODE_ROOT
)) {
1970 conf
->dot11MeshHWMPRootMode
= IEEE80211_PROACTIVE_RANN
;
1971 ieee80211_mesh_root_setup(ifmsh
);
1973 conf
->dot11MeshGateAnnouncementProtocol
=
1974 nconf
->dot11MeshGateAnnouncementProtocol
;
1976 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL
, mask
))
1977 conf
->dot11MeshHWMPRannInterval
=
1978 nconf
->dot11MeshHWMPRannInterval
;
1979 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING
, mask
))
1980 conf
->dot11MeshForwarding
= nconf
->dot11MeshForwarding
;
1981 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD
, mask
)) {
1982 /* our RSSI threshold implementation is supported only for
1983 * devices that report signal in dBm.
1985 if (!ieee80211_hw_check(&sdata
->local
->hw
, SIGNAL_DBM
))
1987 conf
->rssi_threshold
= nconf
->rssi_threshold
;
1989 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE
, mask
)) {
1990 conf
->ht_opmode
= nconf
->ht_opmode
;
1991 sdata
->vif
.bss_conf
.ht_operation_mode
= nconf
->ht_opmode
;
1992 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_HT
);
1994 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
, mask
))
1995 conf
->dot11MeshHWMPactivePathToRootTimeout
=
1996 nconf
->dot11MeshHWMPactivePathToRootTimeout
;
1997 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL
, mask
))
1998 conf
->dot11MeshHWMProotInterval
=
1999 nconf
->dot11MeshHWMProotInterval
;
2000 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
, mask
))
2001 conf
->dot11MeshHWMPconfirmationInterval
=
2002 nconf
->dot11MeshHWMPconfirmationInterval
;
2003 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE
, mask
)) {
2004 conf
->power_mode
= nconf
->power_mode
;
2005 ieee80211_mps_local_status_update(sdata
);
2007 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW
, mask
))
2008 conf
->dot11MeshAwakeWindowDuration
=
2009 nconf
->dot11MeshAwakeWindowDuration
;
2010 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT
, mask
))
2011 conf
->plink_timeout
= nconf
->plink_timeout
;
2012 ieee80211_mbss_info_change_notify(sdata
, BSS_CHANGED_BEACON
);
2016 static int ieee80211_join_mesh(struct wiphy
*wiphy
, struct net_device
*dev
,
2017 const struct mesh_config
*conf
,
2018 const struct mesh_setup
*setup
)
2020 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2021 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
2024 memcpy(&ifmsh
->mshcfg
, conf
, sizeof(struct mesh_config
));
2025 err
= copy_mesh_setup(ifmsh
, setup
);
2029 /* can mesh use other SMPS modes? */
2030 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2031 sdata
->needed_rx_chains
= sdata
->local
->rx_chains
;
2033 mutex_lock(&sdata
->local
->mtx
);
2034 err
= ieee80211_vif_use_channel(sdata
, &setup
->chandef
,
2035 IEEE80211_CHANCTX_SHARED
);
2036 mutex_unlock(&sdata
->local
->mtx
);
2040 return ieee80211_start_mesh(sdata
);
2043 static int ieee80211_leave_mesh(struct wiphy
*wiphy
, struct net_device
*dev
)
2045 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2047 ieee80211_stop_mesh(sdata
);
2048 mutex_lock(&sdata
->local
->mtx
);
2049 ieee80211_vif_release_channel(sdata
);
2050 mutex_unlock(&sdata
->local
->mtx
);
2056 static int ieee80211_change_bss(struct wiphy
*wiphy
,
2057 struct net_device
*dev
,
2058 struct bss_parameters
*params
)
2060 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2061 struct ieee80211_supported_band
*sband
;
2064 if (!sdata_dereference(sdata
->u
.ap
.beacon
, sdata
))
2067 sband
= ieee80211_get_sband(sdata
);
2071 if (params
->use_cts_prot
>= 0) {
2072 sdata
->vif
.bss_conf
.use_cts_prot
= params
->use_cts_prot
;
2073 changed
|= BSS_CHANGED_ERP_CTS_PROT
;
2075 if (params
->use_short_preamble
>= 0) {
2076 sdata
->vif
.bss_conf
.use_short_preamble
=
2077 params
->use_short_preamble
;
2078 changed
|= BSS_CHANGED_ERP_PREAMBLE
;
2081 if (!sdata
->vif
.bss_conf
.use_short_slot
&&
2082 sband
->band
== NL80211_BAND_5GHZ
) {
2083 sdata
->vif
.bss_conf
.use_short_slot
= true;
2084 changed
|= BSS_CHANGED_ERP_SLOT
;
2087 if (params
->use_short_slot_time
>= 0) {
2088 sdata
->vif
.bss_conf
.use_short_slot
=
2089 params
->use_short_slot_time
;
2090 changed
|= BSS_CHANGED_ERP_SLOT
;
2093 if (params
->basic_rates
) {
2094 ieee80211_parse_bitrates(&sdata
->vif
.bss_conf
.chandef
,
2095 wiphy
->bands
[sband
->band
],
2096 params
->basic_rates
,
2097 params
->basic_rates_len
,
2098 &sdata
->vif
.bss_conf
.basic_rates
);
2099 changed
|= BSS_CHANGED_BASIC_RATES
;
2100 ieee80211_check_rate_mask(sdata
);
2103 if (params
->ap_isolate
>= 0) {
2104 if (params
->ap_isolate
)
2105 sdata
->flags
|= IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
2107 sdata
->flags
&= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS
;
2108 ieee80211_check_fast_rx_iface(sdata
);
2111 if (params
->ht_opmode
>= 0) {
2112 sdata
->vif
.bss_conf
.ht_operation_mode
=
2113 (u16
) params
->ht_opmode
;
2114 changed
|= BSS_CHANGED_HT
;
2117 if (params
->p2p_ctwindow
>= 0) {
2118 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
2119 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
2120 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
2121 params
->p2p_ctwindow
& IEEE80211_P2P_OPPPS_CTWINDOW_MASK
;
2122 changed
|= BSS_CHANGED_P2P_PS
;
2125 if (params
->p2p_opp_ps
> 0) {
2126 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
|=
2127 IEEE80211_P2P_OPPPS_ENABLE_BIT
;
2128 changed
|= BSS_CHANGED_P2P_PS
;
2129 } else if (params
->p2p_opp_ps
== 0) {
2130 sdata
->vif
.bss_conf
.p2p_noa_attr
.oppps_ctwindow
&=
2131 ~IEEE80211_P2P_OPPPS_ENABLE_BIT
;
2132 changed
|= BSS_CHANGED_P2P_PS
;
2135 ieee80211_bss_info_change_notify(sdata
, changed
);
2140 static int ieee80211_set_txq_params(struct wiphy
*wiphy
,
2141 struct net_device
*dev
,
2142 struct ieee80211_txq_params
*params
)
2144 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2145 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2146 struct ieee80211_tx_queue_params p
;
2148 if (!local
->ops
->conf_tx
)
2151 if (local
->hw
.queues
< IEEE80211_NUM_ACS
)
2154 memset(&p
, 0, sizeof(p
));
2155 p
.aifs
= params
->aifs
;
2156 p
.cw_max
= params
->cwmax
;
2157 p
.cw_min
= params
->cwmin
;
2158 p
.txop
= params
->txop
;
2161 * Setting tx queue params disables u-apsd because it's only
2162 * called in master mode.
2166 sdata
->tx_conf
[params
->ac
] = p
;
2167 if (drv_conf_tx(local
, sdata
, params
->ac
, &p
)) {
2168 wiphy_debug(local
->hw
.wiphy
,
2169 "failed to set TX queue parameters for AC %d\n",
2174 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_QOS
);
2180 static int ieee80211_suspend(struct wiphy
*wiphy
,
2181 struct cfg80211_wowlan
*wowlan
)
2183 return __ieee80211_suspend(wiphy_priv(wiphy
), wowlan
);
2186 static int ieee80211_resume(struct wiphy
*wiphy
)
2188 return __ieee80211_resume(wiphy_priv(wiphy
));
2191 #define ieee80211_suspend NULL
2192 #define ieee80211_resume NULL
2195 static int ieee80211_scan(struct wiphy
*wiphy
,
2196 struct cfg80211_scan_request
*req
)
2198 struct ieee80211_sub_if_data
*sdata
;
2200 sdata
= IEEE80211_WDEV_TO_SUB_IF(req
->wdev
);
2202 switch (ieee80211_vif_type_p2p(&sdata
->vif
)) {
2203 case NL80211_IFTYPE_STATION
:
2204 case NL80211_IFTYPE_ADHOC
:
2205 case NL80211_IFTYPE_MESH_POINT
:
2206 case NL80211_IFTYPE_P2P_CLIENT
:
2207 case NL80211_IFTYPE_P2P_DEVICE
:
2209 case NL80211_IFTYPE_P2P_GO
:
2210 if (sdata
->local
->ops
->hw_scan
)
2213 * FIXME: implement NoA while scanning in software,
2214 * for now fall through to allow scanning only when
2215 * beaconing hasn't been configured yet
2217 case NL80211_IFTYPE_AP
:
2219 * If the scan has been forced (and the driver supports
2220 * forcing), don't care about being beaconing already.
2221 * This will create problems to the attached stations (e.g. all
2222 * the frames sent while scanning on other channel will be
2225 if (sdata
->u
.ap
.beacon
&&
2226 (!(wiphy
->features
& NL80211_FEATURE_AP_SCAN
) ||
2227 !(req
->flags
& NL80211_SCAN_FLAG_AP
)))
2230 case NL80211_IFTYPE_NAN
:
2235 return ieee80211_request_scan(sdata
, req
);
2238 static void ieee80211_abort_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
2240 ieee80211_scan_cancel(wiphy_priv(wiphy
));
2244 ieee80211_sched_scan_start(struct wiphy
*wiphy
,
2245 struct net_device
*dev
,
2246 struct cfg80211_sched_scan_request
*req
)
2248 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2250 if (!sdata
->local
->ops
->sched_scan_start
)
2253 return ieee80211_request_sched_scan_start(sdata
, req
);
2257 ieee80211_sched_scan_stop(struct wiphy
*wiphy
, struct net_device
*dev
,
2260 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2262 if (!local
->ops
->sched_scan_stop
)
2265 return ieee80211_request_sched_scan_stop(local
);
2268 static int ieee80211_auth(struct wiphy
*wiphy
, struct net_device
*dev
,
2269 struct cfg80211_auth_request
*req
)
2271 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2274 static int ieee80211_assoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2275 struct cfg80211_assoc_request
*req
)
2277 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2280 static int ieee80211_deauth(struct wiphy
*wiphy
, struct net_device
*dev
,
2281 struct cfg80211_deauth_request
*req
)
2283 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2286 static int ieee80211_disassoc(struct wiphy
*wiphy
, struct net_device
*dev
,
2287 struct cfg80211_disassoc_request
*req
)
2289 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev
), req
);
2292 static int ieee80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2293 struct cfg80211_ibss_params
*params
)
2295 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev
), params
);
2298 static int ieee80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2300 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2303 static int ieee80211_join_ocb(struct wiphy
*wiphy
, struct net_device
*dev
,
2304 struct ocb_setup
*setup
)
2306 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev
), setup
);
2309 static int ieee80211_leave_ocb(struct wiphy
*wiphy
, struct net_device
*dev
)
2311 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev
));
2314 static int ieee80211_set_mcast_rate(struct wiphy
*wiphy
, struct net_device
*dev
,
2315 int rate
[NUM_NL80211_BANDS
])
2317 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2319 memcpy(sdata
->vif
.bss_conf
.mcast_rate
, rate
,
2320 sizeof(int) * NUM_NL80211_BANDS
);
2325 static int ieee80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
2327 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2330 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
2331 ieee80211_check_fast_xmit_all(local
);
2333 err
= drv_set_frag_threshold(local
, wiphy
->frag_threshold
);
2336 ieee80211_check_fast_xmit_all(local
);
2341 if ((changed
& WIPHY_PARAM_COVERAGE_CLASS
) ||
2342 (changed
& WIPHY_PARAM_DYN_ACK
)) {
2345 coverage_class
= changed
& WIPHY_PARAM_COVERAGE_CLASS
?
2346 wiphy
->coverage_class
: -1;
2347 err
= drv_set_coverage_class(local
, coverage_class
);
2353 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
2354 err
= drv_set_rts_threshold(local
, wiphy
->rts_threshold
);
2360 if (changed
& WIPHY_PARAM_RETRY_SHORT
) {
2361 if (wiphy
->retry_short
> IEEE80211_MAX_TX_RETRY
)
2363 local
->hw
.conf
.short_frame_max_tx_count
= wiphy
->retry_short
;
2365 if (changed
& WIPHY_PARAM_RETRY_LONG
) {
2366 if (wiphy
->retry_long
> IEEE80211_MAX_TX_RETRY
)
2368 local
->hw
.conf
.long_frame_max_tx_count
= wiphy
->retry_long
;
2371 (WIPHY_PARAM_RETRY_SHORT
| WIPHY_PARAM_RETRY_LONG
))
2372 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_RETRY_LIMITS
);
2377 static int ieee80211_set_tx_power(struct wiphy
*wiphy
,
2378 struct wireless_dev
*wdev
,
2379 enum nl80211_tx_power_setting type
, int mbm
)
2381 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2382 struct ieee80211_sub_if_data
*sdata
;
2383 enum nl80211_tx_power_setting txp_type
= type
;
2384 bool update_txp_type
= false;
2385 bool has_monitor
= false;
2388 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2390 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
2391 sdata
= rtnl_dereference(local
->monitor_sdata
);
2397 case NL80211_TX_POWER_AUTOMATIC
:
2398 sdata
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2399 txp_type
= NL80211_TX_POWER_LIMITED
;
2401 case NL80211_TX_POWER_LIMITED
:
2402 case NL80211_TX_POWER_FIXED
:
2403 if (mbm
< 0 || (mbm
% 100))
2405 sdata
->user_power_level
= MBM_TO_DBM(mbm
);
2409 if (txp_type
!= sdata
->vif
.bss_conf
.txpower_type
) {
2410 update_txp_type
= true;
2411 sdata
->vif
.bss_conf
.txpower_type
= txp_type
;
2414 ieee80211_recalc_txpower(sdata
, update_txp_type
);
2420 case NL80211_TX_POWER_AUTOMATIC
:
2421 local
->user_power_level
= IEEE80211_UNSET_POWER_LEVEL
;
2422 txp_type
= NL80211_TX_POWER_LIMITED
;
2424 case NL80211_TX_POWER_LIMITED
:
2425 case NL80211_TX_POWER_FIXED
:
2426 if (mbm
< 0 || (mbm
% 100))
2428 local
->user_power_level
= MBM_TO_DBM(mbm
);
2432 mutex_lock(&local
->iflist_mtx
);
2433 list_for_each_entry(sdata
, &local
->interfaces
, list
) {
2434 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
2438 sdata
->user_power_level
= local
->user_power_level
;
2439 if (txp_type
!= sdata
->vif
.bss_conf
.txpower_type
)
2440 update_txp_type
= true;
2441 sdata
->vif
.bss_conf
.txpower_type
= txp_type
;
2443 list_for_each_entry(sdata
, &local
->interfaces
, list
) {
2444 if (sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
)
2446 ieee80211_recalc_txpower(sdata
, update_txp_type
);
2448 mutex_unlock(&local
->iflist_mtx
);
2451 sdata
= rtnl_dereference(local
->monitor_sdata
);
2453 sdata
->user_power_level
= local
->user_power_level
;
2454 if (txp_type
!= sdata
->vif
.bss_conf
.txpower_type
)
2455 update_txp_type
= true;
2456 sdata
->vif
.bss_conf
.txpower_type
= txp_type
;
2458 ieee80211_recalc_txpower(sdata
, update_txp_type
);
2465 static int ieee80211_get_tx_power(struct wiphy
*wiphy
,
2466 struct wireless_dev
*wdev
,
2469 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2470 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2472 if (local
->ops
->get_txpower
)
2473 return drv_get_txpower(local
, sdata
, dbm
);
2475 if (!local
->use_chanctx
)
2476 *dbm
= local
->hw
.conf
.power_level
;
2478 *dbm
= sdata
->vif
.bss_conf
.txpower
;
2483 static int ieee80211_set_wds_peer(struct wiphy
*wiphy
, struct net_device
*dev
,
2486 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2488 memcpy(&sdata
->u
.wds
.remote_addr
, addr
, ETH_ALEN
);
2493 static void ieee80211_rfkill_poll(struct wiphy
*wiphy
)
2495 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2497 drv_rfkill_poll(local
);
2500 #ifdef CONFIG_NL80211_TESTMODE
2501 static int ieee80211_testmode_cmd(struct wiphy
*wiphy
,
2502 struct wireless_dev
*wdev
,
2503 void *data
, int len
)
2505 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2506 struct ieee80211_vif
*vif
= NULL
;
2508 if (!local
->ops
->testmode_cmd
)
2512 struct ieee80211_sub_if_data
*sdata
;
2514 sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
2515 if (sdata
->flags
& IEEE80211_SDATA_IN_DRIVER
)
2519 return local
->ops
->testmode_cmd(&local
->hw
, vif
, data
, len
);
2522 static int ieee80211_testmode_dump(struct wiphy
*wiphy
,
2523 struct sk_buff
*skb
,
2524 struct netlink_callback
*cb
,
2525 void *data
, int len
)
2527 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
2529 if (!local
->ops
->testmode_dump
)
2532 return local
->ops
->testmode_dump(&local
->hw
, skb
, cb
, data
, len
);
2536 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data
*sdata
,
2537 enum ieee80211_smps_mode smps_mode
)
2539 struct sta_info
*sta
;
2540 enum ieee80211_smps_mode old_req
;
2542 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_AP
))
2545 if (sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2548 old_req
= sdata
->u
.ap
.req_smps
;
2549 sdata
->u
.ap
.req_smps
= smps_mode
;
2551 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2552 if (old_req
== smps_mode
||
2553 smps_mode
== IEEE80211_SMPS_AUTOMATIC
)
2557 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2558 smps_mode
, atomic_read(&sdata
->u
.ap
.num_mcast_sta
));
2560 mutex_lock(&sdata
->local
->sta_mtx
);
2561 list_for_each_entry(sta
, &sdata
->local
->sta_list
, list
) {
2563 * Only stations associated to our AP and
2566 if (sta
->sdata
->bss
!= &sdata
->u
.ap
)
2569 /* This station doesn't support MIMO - skip it */
2570 if (sta_info_tx_streams(sta
) == 1)
2574 * Don't wake up a STA just to send the action frame
2575 * unless we are getting more restrictive.
2577 if (test_sta_flag(sta
, WLAN_STA_PS_STA
) &&
2578 !ieee80211_smps_is_restrictive(sta
->known_smps_mode
,
2580 ht_dbg(sdata
, "Won't send SMPS to sleeping STA %pM\n",
2586 * If the STA is not authorized, wait until it gets
2587 * authorized and the action frame will be sent then.
2589 if (!test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2592 ht_dbg(sdata
, "Sending SMPS to %pM\n", sta
->sta
.addr
);
2593 ieee80211_send_smps_action(sdata
, smps_mode
, sta
->sta
.addr
,
2594 sdata
->vif
.bss_conf
.bssid
);
2596 mutex_unlock(&sdata
->local
->sta_mtx
);
2598 sdata
->smps_mode
= smps_mode
;
2599 ieee80211_queue_work(&sdata
->local
->hw
, &sdata
->recalc_smps
);
2604 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data
*sdata
,
2605 enum ieee80211_smps_mode smps_mode
)
2608 enum ieee80211_smps_mode old_req
;
2610 struct sta_info
*sta
;
2611 bool tdls_peer_found
= false;
2613 lockdep_assert_held(&sdata
->wdev
.mtx
);
2615 if (WARN_ON_ONCE(sdata
->vif
.type
!= NL80211_IFTYPE_STATION
))
2618 old_req
= sdata
->u
.mgd
.req_smps
;
2619 sdata
->u
.mgd
.req_smps
= smps_mode
;
2621 if (old_req
== smps_mode
&&
2622 smps_mode
!= IEEE80211_SMPS_AUTOMATIC
)
2626 * If not associated, or current association is not an HT
2627 * association, there's no need to do anything, just store
2628 * the new value until we associate.
2630 if (!sdata
->u
.mgd
.associated
||
2631 sdata
->vif
.bss_conf
.chandef
.width
== NL80211_CHAN_WIDTH_20_NOHT
)
2634 ap
= sdata
->u
.mgd
.associated
->bssid
;
2637 list_for_each_entry_rcu(sta
, &sdata
->local
->sta_list
, list
) {
2638 if (!sta
->sta
.tdls
|| sta
->sdata
!= sdata
|| !sta
->uploaded
||
2639 !test_sta_flag(sta
, WLAN_STA_AUTHORIZED
))
2642 tdls_peer_found
= true;
2647 if (smps_mode
== IEEE80211_SMPS_AUTOMATIC
) {
2648 if (tdls_peer_found
|| !sdata
->u
.mgd
.powersave
)
2649 smps_mode
= IEEE80211_SMPS_OFF
;
2651 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
2654 /* send SM PS frame to AP */
2655 err
= ieee80211_send_smps_action(sdata
, smps_mode
,
2658 sdata
->u
.mgd
.req_smps
= old_req
;
2659 else if (smps_mode
!= IEEE80211_SMPS_OFF
&& tdls_peer_found
)
2660 ieee80211_teardown_tdls_peers(sdata
);
2665 static int ieee80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2666 bool enabled
, int timeout
)
2668 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2669 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2671 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
2674 if (!ieee80211_hw_check(&local
->hw
, SUPPORTS_PS
))
2677 if (enabled
== sdata
->u
.mgd
.powersave
&&
2678 timeout
== local
->dynamic_ps_forced_timeout
)
2681 sdata
->u
.mgd
.powersave
= enabled
;
2682 local
->dynamic_ps_forced_timeout
= timeout
;
2684 /* no change, but if automatic follow powersave */
2686 __ieee80211_request_smps_mgd(sdata
, sdata
->u
.mgd
.req_smps
);
2687 sdata_unlock(sdata
);
2689 if (ieee80211_hw_check(&local
->hw
, SUPPORTS_DYNAMIC_PS
))
2690 ieee80211_hw_config(local
, IEEE80211_CONF_CHANGE_PS
);
2692 ieee80211_recalc_ps(local
);
2693 ieee80211_recalc_ps_vif(sdata
);
2698 static int ieee80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
2699 struct net_device
*dev
,
2700 s32 rssi_thold
, u32 rssi_hyst
)
2702 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2703 struct ieee80211_vif
*vif
= &sdata
->vif
;
2704 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2706 if (rssi_thold
== bss_conf
->cqm_rssi_thold
&&
2707 rssi_hyst
== bss_conf
->cqm_rssi_hyst
)
2710 if (sdata
->vif
.driver_flags
& IEEE80211_VIF_BEACON_FILTER
&&
2711 !(sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
))
2714 bss_conf
->cqm_rssi_thold
= rssi_thold
;
2715 bss_conf
->cqm_rssi_hyst
= rssi_hyst
;
2716 bss_conf
->cqm_rssi_low
= 0;
2717 bss_conf
->cqm_rssi_high
= 0;
2718 sdata
->u
.mgd
.last_cqm_event_signal
= 0;
2720 /* tell the driver upon association, unless already associated */
2721 if (sdata
->u
.mgd
.associated
&&
2722 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2723 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2728 static int ieee80211_set_cqm_rssi_range_config(struct wiphy
*wiphy
,
2729 struct net_device
*dev
,
2730 s32 rssi_low
, s32 rssi_high
)
2732 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2733 struct ieee80211_vif
*vif
= &sdata
->vif
;
2734 struct ieee80211_bss_conf
*bss_conf
= &vif
->bss_conf
;
2736 if (sdata
->vif
.driver_flags
& IEEE80211_VIF_BEACON_FILTER
)
2739 bss_conf
->cqm_rssi_low
= rssi_low
;
2740 bss_conf
->cqm_rssi_high
= rssi_high
;
2741 bss_conf
->cqm_rssi_thold
= 0;
2742 bss_conf
->cqm_rssi_hyst
= 0;
2743 sdata
->u
.mgd
.last_cqm_event_signal
= 0;
2745 /* tell the driver upon association, unless already associated */
2746 if (sdata
->u
.mgd
.associated
&&
2747 sdata
->vif
.driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
)
2748 ieee80211_bss_info_change_notify(sdata
, BSS_CHANGED_CQM
);
2753 static int ieee80211_set_bitrate_mask(struct wiphy
*wiphy
,
2754 struct net_device
*dev
,
2756 const struct cfg80211_bitrate_mask
*mask
)
2758 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2759 struct ieee80211_local
*local
= wdev_priv(dev
->ieee80211_ptr
);
2762 if (!ieee80211_sdata_running(sdata
))
2766 * If active validate the setting and reject it if it doesn't leave
2767 * at least one basic rate usable, since we really have to be able
2768 * to send something, and if we're an AP we have to be able to do
2769 * so at a basic rate so that all clients can receive it.
2771 if (rcu_access_pointer(sdata
->vif
.chanctx_conf
) &&
2772 sdata
->vif
.bss_conf
.chandef
.chan
) {
2773 u32 basic_rates
= sdata
->vif
.bss_conf
.basic_rates
;
2774 enum nl80211_band band
= sdata
->vif
.bss_conf
.chandef
.chan
->band
;
2776 if (!(mask
->control
[band
].legacy
& basic_rates
))
2780 if (ieee80211_hw_check(&local
->hw
, HAS_RATE_CONTROL
)) {
2781 ret
= drv_set_bitrate_mask(local
, sdata
, mask
);
2786 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
2787 struct ieee80211_supported_band
*sband
= wiphy
->bands
[i
];
2790 sdata
->rc_rateidx_mask
[i
] = mask
->control
[i
].legacy
;
2791 memcpy(sdata
->rc_rateidx_mcs_mask
[i
], mask
->control
[i
].ht_mcs
,
2792 sizeof(mask
->control
[i
].ht_mcs
));
2793 memcpy(sdata
->rc_rateidx_vht_mcs_mask
[i
],
2794 mask
->control
[i
].vht_mcs
,
2795 sizeof(mask
->control
[i
].vht_mcs
));
2797 sdata
->rc_has_mcs_mask
[i
] = false;
2798 sdata
->rc_has_vht_mcs_mask
[i
] = false;
2802 for (j
= 0; j
< IEEE80211_HT_MCS_MASK_LEN
; j
++) {
2803 if (~sdata
->rc_rateidx_mcs_mask
[i
][j
]) {
2804 sdata
->rc_has_mcs_mask
[i
] = true;
2809 for (j
= 0; j
< NL80211_VHT_NSS_MAX
; j
++) {
2810 if (~sdata
->rc_rateidx_vht_mcs_mask
[i
][j
]) {
2811 sdata
->rc_has_vht_mcs_mask
[i
] = true;
2820 static int ieee80211_start_radar_detection(struct wiphy
*wiphy
,
2821 struct net_device
*dev
,
2822 struct cfg80211_chan_def
*chandef
,
2825 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
2826 struct ieee80211_local
*local
= sdata
->local
;
2829 mutex_lock(&local
->mtx
);
2830 if (!list_empty(&local
->roc_list
) || local
->scanning
) {
2835 /* whatever, but channel contexts should not complain about that one */
2836 sdata
->smps_mode
= IEEE80211_SMPS_OFF
;
2837 sdata
->needed_rx_chains
= local
->rx_chains
;
2839 err
= ieee80211_vif_use_channel(sdata
, chandef
,
2840 IEEE80211_CHANCTX_SHARED
);
2844 ieee80211_queue_delayed_work(&sdata
->local
->hw
,
2845 &sdata
->dfs_cac_timer_work
,
2846 msecs_to_jiffies(cac_time_ms
));
2849 mutex_unlock(&local
->mtx
);
2853 static struct cfg80211_beacon_data
*
2854 cfg80211_beacon_dup(struct cfg80211_beacon_data
*beacon
)
2856 struct cfg80211_beacon_data
*new_beacon
;
2860 len
= beacon
->head_len
+ beacon
->tail_len
+ beacon
->beacon_ies_len
+
2861 beacon
->proberesp_ies_len
+ beacon
->assocresp_ies_len
+
2862 beacon
->probe_resp_len
;
2864 new_beacon
= kzalloc(sizeof(*new_beacon
) + len
, GFP_KERNEL
);
2868 pos
= (u8
*)(new_beacon
+ 1);
2869 if (beacon
->head_len
) {
2870 new_beacon
->head_len
= beacon
->head_len
;
2871 new_beacon
->head
= pos
;
2872 memcpy(pos
, beacon
->head
, beacon
->head_len
);
2873 pos
+= beacon
->head_len
;
2875 if (beacon
->tail_len
) {
2876 new_beacon
->tail_len
= beacon
->tail_len
;
2877 new_beacon
->tail
= pos
;
2878 memcpy(pos
, beacon
->tail
, beacon
->tail_len
);
2879 pos
+= beacon
->tail_len
;
2881 if (beacon
->beacon_ies_len
) {
2882 new_beacon
->beacon_ies_len
= beacon
->beacon_ies_len
;
2883 new_beacon
->beacon_ies
= pos
;
2884 memcpy(pos
, beacon
->beacon_ies
, beacon
->beacon_ies_len
);
2885 pos
+= beacon
->beacon_ies_len
;
2887 if (beacon
->proberesp_ies_len
) {
2888 new_beacon
->proberesp_ies_len
= beacon
->proberesp_ies_len
;
2889 new_beacon
->proberesp_ies
= pos
;
2890 memcpy(pos
, beacon
->proberesp_ies
, beacon
->proberesp_ies_len
);
2891 pos
+= beacon
->proberesp_ies_len
;
2893 if (beacon
->assocresp_ies_len
) {
2894 new_beacon
->assocresp_ies_len
= beacon
->assocresp_ies_len
;
2895 new_beacon
->assocresp_ies
= pos
;
2896 memcpy(pos
, beacon
->assocresp_ies
, beacon
->assocresp_ies_len
);
2897 pos
+= beacon
->assocresp_ies_len
;
2899 if (beacon
->probe_resp_len
) {
2900 new_beacon
->probe_resp_len
= beacon
->probe_resp_len
;
2901 new_beacon
->probe_resp
= pos
;
2902 memcpy(pos
, beacon
->probe_resp
, beacon
->probe_resp_len
);
2903 pos
+= beacon
->probe_resp_len
;
2909 void ieee80211_csa_finish(struct ieee80211_vif
*vif
)
2911 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
2913 ieee80211_queue_work(&sdata
->local
->hw
,
2914 &sdata
->csa_finalize_work
);
2916 EXPORT_SYMBOL(ieee80211_csa_finish
);
2918 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
2923 switch (sdata
->vif
.type
) {
2924 case NL80211_IFTYPE_AP
:
2925 err
= ieee80211_assign_beacon(sdata
, sdata
->u
.ap
.next_beacon
,
2927 kfree(sdata
->u
.ap
.next_beacon
);
2928 sdata
->u
.ap
.next_beacon
= NULL
;
2934 case NL80211_IFTYPE_ADHOC
:
2935 err
= ieee80211_ibss_finish_csa(sdata
);
2940 #ifdef CONFIG_MAC80211_MESH
2941 case NL80211_IFTYPE_MESH_POINT
:
2942 err
= ieee80211_mesh_finish_csa(sdata
);
2956 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
2958 struct ieee80211_local
*local
= sdata
->local
;
2962 sdata_assert_lock(sdata
);
2963 lockdep_assert_held(&local
->mtx
);
2964 lockdep_assert_held(&local
->chanctx_mtx
);
2967 * using reservation isn't immediate as it may be deferred until later
2968 * with multi-vif. once reservation is complete it will re-schedule the
2969 * work with no reserved_chanctx so verify chandef to check if it
2970 * completed successfully
2973 if (sdata
->reserved_chanctx
) {
2975 * with multi-vif csa driver may call ieee80211_csa_finish()
2976 * many times while waiting for other interfaces to use their
2979 if (sdata
->reserved_ready
)
2982 return ieee80211_vif_use_reserved_context(sdata
);
2985 if (!cfg80211_chandef_identical(&sdata
->vif
.bss_conf
.chandef
,
2986 &sdata
->csa_chandef
))
2989 sdata
->vif
.csa_active
= false;
2991 err
= ieee80211_set_after_csa_beacon(sdata
, &changed
);
2995 ieee80211_bss_info_change_notify(sdata
, changed
);
2997 if (sdata
->csa_block_tx
) {
2998 ieee80211_wake_vif_queues(local
, sdata
,
2999 IEEE80211_QUEUE_STOP_REASON_CSA
);
3000 sdata
->csa_block_tx
= false;
3003 err
= drv_post_channel_switch(sdata
);
3007 cfg80211_ch_switch_notify(sdata
->dev
, &sdata
->csa_chandef
);
3012 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data
*sdata
)
3014 if (__ieee80211_csa_finalize(sdata
)) {
3015 sdata_info(sdata
, "failed to finalize CSA, disconnecting\n");
3016 cfg80211_stop_iface(sdata
->local
->hw
.wiphy
, &sdata
->wdev
,
3021 void ieee80211_csa_finalize_work(struct work_struct
*work
)
3023 struct ieee80211_sub_if_data
*sdata
=
3024 container_of(work
, struct ieee80211_sub_if_data
,
3026 struct ieee80211_local
*local
= sdata
->local
;
3029 mutex_lock(&local
->mtx
);
3030 mutex_lock(&local
->chanctx_mtx
);
3032 /* AP might have been stopped while waiting for the lock. */
3033 if (!sdata
->vif
.csa_active
)
3036 if (!ieee80211_sdata_running(sdata
))
3039 ieee80211_csa_finalize(sdata
);
3042 mutex_unlock(&local
->chanctx_mtx
);
3043 mutex_unlock(&local
->mtx
);
3044 sdata_unlock(sdata
);
3047 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
3048 struct cfg80211_csa_settings
*params
,
3051 struct ieee80211_csa_settings csa
= {};
3054 switch (sdata
->vif
.type
) {
3055 case NL80211_IFTYPE_AP
:
3056 sdata
->u
.ap
.next_beacon
=
3057 cfg80211_beacon_dup(¶ms
->beacon_after
);
3058 if (!sdata
->u
.ap
.next_beacon
)
3062 * With a count of 0, we don't have to wait for any
3063 * TBTT before switching, so complete the CSA
3064 * immediately. In theory, with a count == 1 we
3065 * should delay the switch until just before the next
3066 * TBTT, but that would complicate things so we switch
3067 * immediately too. If we would delay the switch
3068 * until the next TBTT, we would have to set the probe
3071 * TODO: A channel switch with count <= 1 without
3072 * sending a CSA action frame is kind of useless,
3073 * because the clients won't know we're changing
3074 * channels. The action frame must be implemented
3075 * either here or in the userspace.
3077 if (params
->count
<= 1)
3080 if ((params
->n_counter_offsets_beacon
>
3081 IEEE80211_MAX_CSA_COUNTERS_NUM
) ||
3082 (params
->n_counter_offsets_presp
>
3083 IEEE80211_MAX_CSA_COUNTERS_NUM
))
3086 csa
.counter_offsets_beacon
= params
->counter_offsets_beacon
;
3087 csa
.counter_offsets_presp
= params
->counter_offsets_presp
;
3088 csa
.n_counter_offsets_beacon
= params
->n_counter_offsets_beacon
;
3089 csa
.n_counter_offsets_presp
= params
->n_counter_offsets_presp
;
3090 csa
.count
= params
->count
;
3092 err
= ieee80211_assign_beacon(sdata
, ¶ms
->beacon_csa
, &csa
);
3094 kfree(sdata
->u
.ap
.next_beacon
);
3100 case NL80211_IFTYPE_ADHOC
:
3101 if (!sdata
->vif
.bss_conf
.ibss_joined
)
3104 if (params
->chandef
.width
!= sdata
->u
.ibss
.chandef
.width
)
3107 switch (params
->chandef
.width
) {
3108 case NL80211_CHAN_WIDTH_40
:
3109 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
3110 cfg80211_get_chandef_type(&sdata
->u
.ibss
.chandef
))
3112 case NL80211_CHAN_WIDTH_5
:
3113 case NL80211_CHAN_WIDTH_10
:
3114 case NL80211_CHAN_WIDTH_20_NOHT
:
3115 case NL80211_CHAN_WIDTH_20
:
3121 /* changes into another band are not supported */
3122 if (sdata
->u
.ibss
.chandef
.chan
->band
!=
3123 params
->chandef
.chan
->band
)
3126 /* see comments in the NL80211_IFTYPE_AP block */
3127 if (params
->count
> 1) {
3128 err
= ieee80211_ibss_csa_beacon(sdata
, params
);
3134 ieee80211_send_action_csa(sdata
, params
);
3137 #ifdef CONFIG_MAC80211_MESH
3138 case NL80211_IFTYPE_MESH_POINT
: {
3139 struct ieee80211_if_mesh
*ifmsh
= &sdata
->u
.mesh
;
3141 if (params
->chandef
.width
!= sdata
->vif
.bss_conf
.chandef
.width
)
3144 /* changes into another band are not supported */
3145 if (sdata
->vif
.bss_conf
.chandef
.chan
->band
!=
3146 params
->chandef
.chan
->band
)
3149 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_NONE
) {
3150 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_INIT
;
3151 if (!ifmsh
->pre_value
)
3152 ifmsh
->pre_value
= 1;
3157 /* see comments in the NL80211_IFTYPE_AP block */
3158 if (params
->count
> 1) {
3159 err
= ieee80211_mesh_csa_beacon(sdata
, params
);
3161 ifmsh
->csa_role
= IEEE80211_MESH_CSA_ROLE_NONE
;
3167 if (ifmsh
->csa_role
== IEEE80211_MESH_CSA_ROLE_INIT
)
3168 ieee80211_send_action_csa(sdata
, params
);
3181 __ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3182 struct cfg80211_csa_settings
*params
)
3184 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3185 struct ieee80211_local
*local
= sdata
->local
;
3186 struct ieee80211_channel_switch ch_switch
;
3187 struct ieee80211_chanctx_conf
*conf
;
3188 struct ieee80211_chanctx
*chanctx
;
3192 sdata_assert_lock(sdata
);
3193 lockdep_assert_held(&local
->mtx
);
3195 if (!list_empty(&local
->roc_list
) || local
->scanning
)
3198 if (sdata
->wdev
.cac_started
)
3201 if (cfg80211_chandef_identical(¶ms
->chandef
,
3202 &sdata
->vif
.bss_conf
.chandef
))
3205 /* don't allow another channel switch if one is already active. */
3206 if (sdata
->vif
.csa_active
)
3209 mutex_lock(&local
->chanctx_mtx
);
3210 conf
= rcu_dereference_protected(sdata
->vif
.chanctx_conf
,
3211 lockdep_is_held(&local
->chanctx_mtx
));
3217 chanctx
= container_of(conf
, struct ieee80211_chanctx
, conf
);
3219 ch_switch
.timestamp
= 0;
3220 ch_switch
.device_timestamp
= 0;
3221 ch_switch
.block_tx
= params
->block_tx
;
3222 ch_switch
.chandef
= params
->chandef
;
3223 ch_switch
.count
= params
->count
;
3225 err
= drv_pre_channel_switch(sdata
, &ch_switch
);
3229 err
= ieee80211_vif_reserve_chanctx(sdata
, ¶ms
->chandef
,
3231 params
->radar_required
);
3235 /* if reservation is invalid then this will fail */
3236 err
= ieee80211_check_combinations(sdata
, NULL
, chanctx
->mode
, 0);
3238 ieee80211_vif_unreserve_chanctx(sdata
);
3242 err
= ieee80211_set_csa_beacon(sdata
, params
, &changed
);
3244 ieee80211_vif_unreserve_chanctx(sdata
);
3248 sdata
->csa_chandef
= params
->chandef
;
3249 sdata
->csa_block_tx
= params
->block_tx
;
3250 sdata
->vif
.csa_active
= true;
3252 if (sdata
->csa_block_tx
)
3253 ieee80211_stop_vif_queues(local
, sdata
,
3254 IEEE80211_QUEUE_STOP_REASON_CSA
);
3256 cfg80211_ch_switch_started_notify(sdata
->dev
, &sdata
->csa_chandef
,
3260 ieee80211_bss_info_change_notify(sdata
, changed
);
3261 drv_channel_switch_beacon(sdata
, ¶ms
->chandef
);
3263 /* if the beacon didn't change, we can finalize immediately */
3264 ieee80211_csa_finalize(sdata
);
3268 mutex_unlock(&local
->chanctx_mtx
);
3272 int ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3273 struct cfg80211_csa_settings
*params
)
3275 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3276 struct ieee80211_local
*local
= sdata
->local
;
3279 mutex_lock(&local
->mtx
);
3280 err
= __ieee80211_channel_switch(wiphy
, dev
, params
);
3281 mutex_unlock(&local
->mtx
);
3286 u64
ieee80211_mgmt_tx_cookie(struct ieee80211_local
*local
)
3288 lockdep_assert_held(&local
->mtx
);
3290 local
->roc_cookie_counter
++;
3292 /* wow, you wrapped 64 bits ... more likely a bug */
3293 if (WARN_ON(local
->roc_cookie_counter
== 0))
3294 local
->roc_cookie_counter
++;
3296 return local
->roc_cookie_counter
;
3299 int ieee80211_attach_ack_skb(struct ieee80211_local
*local
, struct sk_buff
*skb
,
3300 u64
*cookie
, gfp_t gfp
)
3302 unsigned long spin_flags
;
3303 struct sk_buff
*ack_skb
;
3306 ack_skb
= skb_copy(skb
, gfp
);
3310 spin_lock_irqsave(&local
->ack_status_lock
, spin_flags
);
3311 id
= idr_alloc(&local
->ack_status_frames
, ack_skb
,
3312 1, 0x10000, GFP_ATOMIC
);
3313 spin_unlock_irqrestore(&local
->ack_status_lock
, spin_flags
);
3320 IEEE80211_SKB_CB(skb
)->ack_frame_id
= id
;
3322 *cookie
= ieee80211_mgmt_tx_cookie(local
);
3323 IEEE80211_SKB_CB(ack_skb
)->ack
.cookie
= *cookie
;
3328 static void ieee80211_mgmt_frame_register(struct wiphy
*wiphy
,
3329 struct wireless_dev
*wdev
,
3330 u16 frame_type
, bool reg
)
3332 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3333 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3335 switch (frame_type
) {
3336 case IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
:
3338 local
->probe_req_reg
++;
3339 sdata
->vif
.probe_req_reg
++;
3341 if (local
->probe_req_reg
)
3342 local
->probe_req_reg
--;
3344 if (sdata
->vif
.probe_req_reg
)
3345 sdata
->vif
.probe_req_reg
--;
3348 if (!local
->open_count
)
3351 if (sdata
->vif
.probe_req_reg
== 1)
3352 drv_config_iface_filter(local
, sdata
, FIF_PROBE_REQ
,
3354 else if (sdata
->vif
.probe_req_reg
== 0)
3355 drv_config_iface_filter(local
, sdata
, 0,
3358 ieee80211_configure_filter(local
);
3365 static int ieee80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
3367 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3372 return drv_set_antenna(local
, tx_ant
, rx_ant
);
3375 static int ieee80211_get_antenna(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
)
3377 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3379 return drv_get_antenna(local
, tx_ant
, rx_ant
);
3382 static int ieee80211_set_rekey_data(struct wiphy
*wiphy
,
3383 struct net_device
*dev
,
3384 struct cfg80211_gtk_rekey_data
*data
)
3386 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3387 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3389 if (!local
->ops
->set_rekey_data
)
3392 drv_set_rekey_data(local
, sdata
, data
);
3397 static int ieee80211_probe_client(struct wiphy
*wiphy
, struct net_device
*dev
,
3398 const u8
*peer
, u64
*cookie
)
3400 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3401 struct ieee80211_local
*local
= sdata
->local
;
3402 struct ieee80211_qos_hdr
*nullfunc
;
3403 struct sk_buff
*skb
;
3404 int size
= sizeof(*nullfunc
);
3407 struct ieee80211_tx_info
*info
;
3408 struct sta_info
*sta
;
3409 struct ieee80211_chanctx_conf
*chanctx_conf
;
3410 enum nl80211_band band
;
3413 /* the lock is needed to assign the cookie later */
3414 mutex_lock(&local
->mtx
);
3417 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3418 if (WARN_ON(!chanctx_conf
)) {
3422 band
= chanctx_conf
->def
.chan
->band
;
3423 sta
= sta_info_get_bss(sdata
, peer
);
3432 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3433 IEEE80211_STYPE_QOS_NULLFUNC
|
3434 IEEE80211_FCTL_FROMDS
);
3437 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
|
3438 IEEE80211_STYPE_NULLFUNC
|
3439 IEEE80211_FCTL_FROMDS
);
3442 skb
= dev_alloc_skb(local
->hw
.extra_tx_headroom
+ size
);
3450 skb_reserve(skb
, local
->hw
.extra_tx_headroom
);
3452 nullfunc
= skb_put(skb
, size
);
3453 nullfunc
->frame_control
= fc
;
3454 nullfunc
->duration_id
= 0;
3455 memcpy(nullfunc
->addr1
, sta
->sta
.addr
, ETH_ALEN
);
3456 memcpy(nullfunc
->addr2
, sdata
->vif
.addr
, ETH_ALEN
);
3457 memcpy(nullfunc
->addr3
, sdata
->vif
.addr
, ETH_ALEN
);
3458 nullfunc
->seq_ctrl
= 0;
3460 info
= IEEE80211_SKB_CB(skb
);
3462 info
->flags
|= IEEE80211_TX_CTL_REQ_TX_STATUS
|
3463 IEEE80211_TX_INTFL_NL80211_FRAME_TX
;
3466 skb_set_queue_mapping(skb
, IEEE80211_AC_VO
);
3469 nullfunc
->qos_ctrl
= cpu_to_le16(7);
3471 ret
= ieee80211_attach_ack_skb(local
, skb
, cookie
, GFP_ATOMIC
);
3478 ieee80211_xmit(sdata
, sta
, skb
);
3484 mutex_unlock(&local
->mtx
);
3489 static int ieee80211_cfg_get_channel(struct wiphy
*wiphy
,
3490 struct wireless_dev
*wdev
,
3491 struct cfg80211_chan_def
*chandef
)
3493 struct ieee80211_sub_if_data
*sdata
= IEEE80211_WDEV_TO_SUB_IF(wdev
);
3494 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3495 struct ieee80211_chanctx_conf
*chanctx_conf
;
3499 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
3501 *chandef
= sdata
->vif
.bss_conf
.chandef
;
3503 } else if (local
->open_count
> 0 &&
3504 local
->open_count
== local
->monitors
&&
3505 sdata
->vif
.type
== NL80211_IFTYPE_MONITOR
) {
3506 if (local
->use_chanctx
)
3507 *chandef
= local
->monitor_chandef
;
3509 *chandef
= local
->_oper_chandef
;
3518 static void ieee80211_set_wakeup(struct wiphy
*wiphy
, bool enabled
)
3520 drv_set_wakeup(wiphy_priv(wiphy
), enabled
);
3524 static int ieee80211_set_qos_map(struct wiphy
*wiphy
,
3525 struct net_device
*dev
,
3526 struct cfg80211_qos_map
*qos_map
)
3528 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3529 struct mac80211_qos_map
*new_qos_map
, *old_qos_map
;
3532 new_qos_map
= kzalloc(sizeof(*new_qos_map
), GFP_KERNEL
);
3535 memcpy(&new_qos_map
->qos_map
, qos_map
, sizeof(*qos_map
));
3537 /* A NULL qos_map was passed to disable QoS mapping */
3541 old_qos_map
= sdata_dereference(sdata
->qos_map
, sdata
);
3542 rcu_assign_pointer(sdata
->qos_map
, new_qos_map
);
3544 kfree_rcu(old_qos_map
, rcu_head
);
3549 static int ieee80211_set_ap_chanwidth(struct wiphy
*wiphy
,
3550 struct net_device
*dev
,
3551 struct cfg80211_chan_def
*chandef
)
3553 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3557 ret
= ieee80211_vif_change_bandwidth(sdata
, chandef
, &changed
);
3559 ieee80211_bss_info_change_notify(sdata
, changed
);
3564 static int ieee80211_add_tx_ts(struct wiphy
*wiphy
, struct net_device
*dev
,
3565 u8 tsid
, const u8
*peer
, u8 up
,
3568 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3569 struct ieee80211_if_managed
*ifmgd
= &sdata
->u
.mgd
;
3570 int ac
= ieee802_1d_to_ac
[up
];
3572 if (sdata
->vif
.type
!= NL80211_IFTYPE_STATION
)
3575 if (!(sdata
->wmm_acm
& BIT(up
)))
3578 if (ifmgd
->tx_tspec
[ac
].admitted_time
)
3581 if (admitted_time
) {
3582 ifmgd
->tx_tspec
[ac
].admitted_time
= 32 * admitted_time
;
3583 ifmgd
->tx_tspec
[ac
].tsid
= tsid
;
3584 ifmgd
->tx_tspec
[ac
].up
= up
;
3590 static int ieee80211_del_tx_ts(struct wiphy
*wiphy
, struct net_device
*dev
,
3591 u8 tsid
, const u8
*peer
)
3593 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3594 struct ieee80211_if_managed
*ifmgd
= &sdata
->u
.mgd
;
3595 struct ieee80211_local
*local
= wiphy_priv(wiphy
);
3598 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++) {
3599 struct ieee80211_sta_tx_tspec
*tx_tspec
= &ifmgd
->tx_tspec
[ac
];
3601 /* skip unused entries */
3602 if (!tx_tspec
->admitted_time
)
3605 if (tx_tspec
->tsid
!= tsid
)
3608 /* due to this new packets will be reassigned to non-ACM ACs */
3611 /* Make sure that all packets have been sent to avoid to
3612 * restore the QoS params on packets that are still on the
3616 ieee80211_flush_queues(local
, sdata
, false);
3618 /* restore the normal QoS parameters
3619 * (unconditionally to avoid races)
3621 tx_tspec
->action
= TX_TSPEC_ACTION_STOP_DOWNGRADE
;
3622 tx_tspec
->downgraded
= false;
3623 ieee80211_sta_handle_tspec_ac_params(sdata
);
3625 /* finally clear all the data */
3626 memset(tx_tspec
, 0, sizeof(*tx_tspec
));
3634 void ieee80211_nan_func_terminated(struct ieee80211_vif
*vif
,
3636 enum nl80211_nan_func_term_reason reason
,
3639 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
3640 struct cfg80211_nan_func
*func
;
3643 if (WARN_ON(vif
->type
!= NL80211_IFTYPE_NAN
))
3646 spin_lock_bh(&sdata
->u
.nan
.func_lock
);
3648 func
= idr_find(&sdata
->u
.nan
.function_inst_ids
, inst_id
);
3649 if (WARN_ON(!func
)) {
3650 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
3654 cookie
= func
->cookie
;
3655 idr_remove(&sdata
->u
.nan
.function_inst_ids
, inst_id
);
3657 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
3659 cfg80211_free_nan_func(func
);
3661 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif
), inst_id
,
3662 reason
, cookie
, gfp
);
3664 EXPORT_SYMBOL(ieee80211_nan_func_terminated
);
3666 void ieee80211_nan_func_match(struct ieee80211_vif
*vif
,
3667 struct cfg80211_nan_match_params
*match
,
3670 struct ieee80211_sub_if_data
*sdata
= vif_to_sdata(vif
);
3671 struct cfg80211_nan_func
*func
;
3673 if (WARN_ON(vif
->type
!= NL80211_IFTYPE_NAN
))
3676 spin_lock_bh(&sdata
->u
.nan
.func_lock
);
3678 func
= idr_find(&sdata
->u
.nan
.function_inst_ids
, match
->inst_id
);
3679 if (WARN_ON(!func
)) {
3680 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
3683 match
->cookie
= func
->cookie
;
3685 spin_unlock_bh(&sdata
->u
.nan
.func_lock
);
3687 cfg80211_nan_match(ieee80211_vif_to_wdev(vif
), match
, gfp
);
3689 EXPORT_SYMBOL(ieee80211_nan_func_match
);
3691 static int ieee80211_set_multicast_to_unicast(struct wiphy
*wiphy
,
3692 struct net_device
*dev
,
3695 struct ieee80211_sub_if_data
*sdata
= IEEE80211_DEV_TO_SUB_IF(dev
);
3697 sdata
->u
.ap
.multicast_to_unicast
= enabled
;
3702 const struct cfg80211_ops mac80211_config_ops
= {
3703 .add_virtual_intf
= ieee80211_add_iface
,
3704 .del_virtual_intf
= ieee80211_del_iface
,
3705 .change_virtual_intf
= ieee80211_change_iface
,
3706 .start_p2p_device
= ieee80211_start_p2p_device
,
3707 .stop_p2p_device
= ieee80211_stop_p2p_device
,
3708 .add_key
= ieee80211_add_key
,
3709 .del_key
= ieee80211_del_key
,
3710 .get_key
= ieee80211_get_key
,
3711 .set_default_key
= ieee80211_config_default_key
,
3712 .set_default_mgmt_key
= ieee80211_config_default_mgmt_key
,
3713 .start_ap
= ieee80211_start_ap
,
3714 .change_beacon
= ieee80211_change_beacon
,
3715 .stop_ap
= ieee80211_stop_ap
,
3716 .add_station
= ieee80211_add_station
,
3717 .del_station
= ieee80211_del_station
,
3718 .change_station
= ieee80211_change_station
,
3719 .get_station
= ieee80211_get_station
,
3720 .dump_station
= ieee80211_dump_station
,
3721 .dump_survey
= ieee80211_dump_survey
,
3722 #ifdef CONFIG_MAC80211_MESH
3723 .add_mpath
= ieee80211_add_mpath
,
3724 .del_mpath
= ieee80211_del_mpath
,
3725 .change_mpath
= ieee80211_change_mpath
,
3726 .get_mpath
= ieee80211_get_mpath
,
3727 .dump_mpath
= ieee80211_dump_mpath
,
3728 .get_mpp
= ieee80211_get_mpp
,
3729 .dump_mpp
= ieee80211_dump_mpp
,
3730 .update_mesh_config
= ieee80211_update_mesh_config
,
3731 .get_mesh_config
= ieee80211_get_mesh_config
,
3732 .join_mesh
= ieee80211_join_mesh
,
3733 .leave_mesh
= ieee80211_leave_mesh
,
3735 .join_ocb
= ieee80211_join_ocb
,
3736 .leave_ocb
= ieee80211_leave_ocb
,
3737 .change_bss
= ieee80211_change_bss
,
3738 .set_txq_params
= ieee80211_set_txq_params
,
3739 .set_monitor_channel
= ieee80211_set_monitor_channel
,
3740 .suspend
= ieee80211_suspend
,
3741 .resume
= ieee80211_resume
,
3742 .scan
= ieee80211_scan
,
3743 .abort_scan
= ieee80211_abort_scan
,
3744 .sched_scan_start
= ieee80211_sched_scan_start
,
3745 .sched_scan_stop
= ieee80211_sched_scan_stop
,
3746 .auth
= ieee80211_auth
,
3747 .assoc
= ieee80211_assoc
,
3748 .deauth
= ieee80211_deauth
,
3749 .disassoc
= ieee80211_disassoc
,
3750 .join_ibss
= ieee80211_join_ibss
,
3751 .leave_ibss
= ieee80211_leave_ibss
,
3752 .set_mcast_rate
= ieee80211_set_mcast_rate
,
3753 .set_wiphy_params
= ieee80211_set_wiphy_params
,
3754 .set_tx_power
= ieee80211_set_tx_power
,
3755 .get_tx_power
= ieee80211_get_tx_power
,
3756 .set_wds_peer
= ieee80211_set_wds_peer
,
3757 .rfkill_poll
= ieee80211_rfkill_poll
,
3758 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd
)
3759 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump
)
3760 .set_power_mgmt
= ieee80211_set_power_mgmt
,
3761 .set_bitrate_mask
= ieee80211_set_bitrate_mask
,
3762 .remain_on_channel
= ieee80211_remain_on_channel
,
3763 .cancel_remain_on_channel
= ieee80211_cancel_remain_on_channel
,
3764 .mgmt_tx
= ieee80211_mgmt_tx
,
3765 .mgmt_tx_cancel_wait
= ieee80211_mgmt_tx_cancel_wait
,
3766 .set_cqm_rssi_config
= ieee80211_set_cqm_rssi_config
,
3767 .set_cqm_rssi_range_config
= ieee80211_set_cqm_rssi_range_config
,
3768 .mgmt_frame_register
= ieee80211_mgmt_frame_register
,
3769 .set_antenna
= ieee80211_set_antenna
,
3770 .get_antenna
= ieee80211_get_antenna
,
3771 .set_rekey_data
= ieee80211_set_rekey_data
,
3772 .tdls_oper
= ieee80211_tdls_oper
,
3773 .tdls_mgmt
= ieee80211_tdls_mgmt
,
3774 .tdls_channel_switch
= ieee80211_tdls_channel_switch
,
3775 .tdls_cancel_channel_switch
= ieee80211_tdls_cancel_channel_switch
,
3776 .probe_client
= ieee80211_probe_client
,
3777 .set_noack_map
= ieee80211_set_noack_map
,
3779 .set_wakeup
= ieee80211_set_wakeup
,
3781 .get_channel
= ieee80211_cfg_get_channel
,
3782 .start_radar_detection
= ieee80211_start_radar_detection
,
3783 .channel_switch
= ieee80211_channel_switch
,
3784 .set_qos_map
= ieee80211_set_qos_map
,
3785 .set_ap_chanwidth
= ieee80211_set_ap_chanwidth
,
3786 .add_tx_ts
= ieee80211_add_tx_ts
,
3787 .del_tx_ts
= ieee80211_del_tx_ts
,
3788 .start_nan
= ieee80211_start_nan
,
3789 .stop_nan
= ieee80211_stop_nan
,
3790 .nan_change_conf
= ieee80211_nan_change_conf
,
3791 .add_nan_func
= ieee80211_add_nan_func
,
3792 .del_nan_func
= ieee80211_del_nan_func
,
3793 .set_multicast_to_unicast
= ieee80211_set_multicast_to_unicast
,